(19)
(11) EP 4 543 140 A1

(12) EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(43) Date of publication:
23.04.2025 Bulletin 2025/17

(21) Application number: 24824383.4

(22) Date of filing: 28.08.2024
(51) International Patent Classification (IPC): 
H05B 3/00(2006.01)
H05B 3/34(2006.01)
H05B 3/03(2006.01)
(52) Cooperative Patent Classification (CPC):
A24F 40/46; H05B 3/24; H05B 2203/021
(86) International application number:
PCT/CN2024/115179
(87) International publication number:
WO 2025/045091 (06.03.2025 Gazette 2025/10)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 18.12.2023 CN 202311750581
31.08.2023 CN 202322355063 U

(71) Applicant: Shenzhen Geekvape Technology Co., Ltd.
Shenzhen, Guangdong 518101 (CN)

(72) Inventors:
  • HUANG, Xincheng
    Shenzhen, Guangdong 518101 (CN)
  • LUO, Wen
    Shenzhen, Guangdong 518101 (CN)
  • DUAN, Hongxing
    Shenzhen, Guangdong 518101 (CN)
  • WANG, Qiang
    Shenzhen, Guangdong 518101 (CN)

(74) Representative: Greaves Brewster LLP 
Copa House Station Road
Cheddar, Somerset BS27 3AH
Cheddar, Somerset BS27 3AH (GB)

   


(54) HEATING ELEMENT WITH CONTROLLABLE ZONED OPERATION, AND ATOMIZER AND ATOMIZATION DEVICE


(57) The present application relates to the technical field of heating elements, specifically to partition working controllable heating elements, atomizers, and atomization devices. The partition working controllable heating element is provided with multiple connected heating parts, with the multiple heating parts distributed across different areas, where each heating part extends outward with at least one pin. The partition working controllable heating element connects to an external power supply by selecting different pins to achieve multiple operating states, with at least one common pole connecting adjacent heating parts to reduce the total number of pins provided on the partition working controllable heating element.




Description

RELATED APPLICATION



[0001] The present application claims the benefit of priority to a Chinese Patent Application No. 202311750581.6, filed on December 18, 2023 and entitled "Partition Working Controllable Heating Element, Atomizer, and Atomization Device," and a Chinese Patent Application No. 202322355063.6, filed on August 31, 2023 and entitled "Heating Element Structure, Atomizing Core, and Atomization Device," the entire contents of each of which are incorporated herein by reference.

TECHNICAL FIELD



[0002] The present application relates to the field of heating elements, and in particular, to a partition working controllable heating element, atomizer, and atomization device.

BACKGROUND



[0003] An atomizer is one of the main components of the atomization device. A heating element, as a heating component inside the atomizer, is used to heat the liquid material within the atomizer to vaporize it, thereby producing the aerosols required for use.

[0004] Existing heating elements only have one single heating part, which is connected to two pins. By connecting the power supply through the two pins, an electrically conductive loop is formed, allowing the heating part to enter a heating state. When adjusting the heating power of the heating part, it is necessary to rely on adjusting the resistance values of external resistors that are connected in series or parallel. In other words, existing heating elements do not have multiple operating states when used individually, and because they reference external resistance, the products utilizing these heating elements appear to have a more complex structure. Additionally, the existing heating elements can only heat a single area, which does not meet the usage requirements for partitioned heating of the heating element.

SUMMARY



[0005] The purpose of this present application is to provide a partition working controllable heating element, an atomizer, and atomization device, primarily addressing the technical problem of how a heating element can possess multiple operating states while enabling zoned heating.

[0006] In some embodiments, a partition working controllable heating element is provided, including multiple connected heating parts distributed across different areas, where each heating part extends outward with at least one pin, and the partition working controllable heating element connects to an external power supply by selecting different pins to achieve multiple operating states, with at least one common pole connecting adjacent heating parts to reduce a total number of pins on the partition working controllable heating element.

[0007] In some embodiments, at least two pairs of adjacent heating parts are connected by the common pole, and a connecting section connects two adjacent common poles, the connecting section being conductive.

[0008] In some embodiments, the partition working controllable heating element includes at least four heating parts, the at least four heating parts including a first heating part, a second heating part, a third heating part, and a fourth heating part. A first common pole connects the first heating part and the second heating part, a second common pole connects the third heating part and the fourth heating part, and a connecting section connects the first common pole and the second common pole. A first pin connects to an end of the first heating part away from the first common pole, a second pin connects to an end of the second heating part away from the first common pole, a third pin connects to an end of the third heating part away from the second common pole, and a fourth pin connects to an end of the fourth heating part away from the second common pole.

[0009] In some embodiments, when any two of the first pin, the second pin, the third pin, and the fourth pin form an electrically conductive loop, the operating state of the heating element includes any two heating parts being connected in series and simultaneously in a heating state.

[0010] In some embodiments, when the first pin and the second pin form an electrically conductive loop, the first heating part and the second heating part are connected in series and simultaneously in a heating state. When the first pin and the third pin form an electrically conductive loop, the first heating part and the third heating part are connected in series and simultaneously in a heating state. When the first pin and the fourth pin form an electrically conductive loop, the first heating part and the fourth heating part are connected in series and simultaneously in a heating state. When the second pin and the third pin form an electrically conductive loop, the second heating part and the third heating part are connected in series and simultaneously in a heating state. When the second pin and the fourth pin form an electrically conductive loop, the second heating part and the fourth heating part are connected in series and simultaneously in a heating state. When the third pin and the fourth pin form an electrically conductive loop, the third heating part and the fourth heating part are connected in series and simultaneously in a heating state.

[0011] In some embodiments, the first common pole or the second common pole is connected to a common pin. The first pin, the second pin, the third pin, and the fourth pin can form an electrically conductive loop with the common pin to allow the heating element's operating state to include: four heating parts individually in a heating state; any two heating parts connected in parallel and in a heating state; any three heating parts connected in parallel and in a heating state; or all four heating parts connected in parallel and in a heating state.

[0012] In some embodiments, when any one of the first pin, the second pin, the third pin, or the fourth pin forms an electrically conductive loop with the common pin, the first heating part, the second heating part, the third heating part, or the fourth heating part is individually in a heating state. When the first pin and the second pin respectively form an electrically conductive loop with the common pin, the first heating part and the second heating part are connected in parallel and in a heating state. When the first pin and the third pin respectively form an electrically conductive loop with the common pin, the first heating part and the third heating part are connected in parallel and in a heating state. When the first pin and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part and the fourth heating part are connected in parallel and in a heating state. When the second pin and the third pin respectively form an electrically conductive loop with the common pin, the second heating part and the third heating part are connected in parallel and in a heating state. When the second pin and the fourth pin respectively form an electrically conductive loop with the common pin, the second heating part and the fourth heating part are connected in parallel and in a heating state. When the third pin and the fourth pin respectively form an electrically conductive loop with the common pin, the third heating part and the fourth heating part are connected in parallel and in a heating state. When the first pin, the second pin, and the third pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, and the third heating part are connected in parallel and in a heating state. When the first pin, the second pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, and the fourth heating part are connected in parallel and in a heating state. When the first pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state. When the second pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the second heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state. When the first pin, the second pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state.

[0013] In some embodiments, the first pin, the second pin, the third pin, the fourth pin, and the common pin all extend in a same direction. A total length of the first heating part plus the second heating part is greater than a total length of the third heating part plus the fourth heating part, with the first pin being arranged adjacent to the third pin, and the second pin being arranged adjacent to the fourth pin.

[0014] In some embodiments the first pin and the second pin are close to each other to allow the partition working controllable heating element to remain in a coiled state; and outer surfaces of the first pin, the second pin, the third pin, the fourth pin, and the common pin are all provided with an insulating layer.

[0015] In some embodiments, the heating parts include multiple heating strips; and one end of each heating strip is connected to a corresponding pin and the other end is connected to a corresponding common pole, with multiple connecting strips connecting two adjacent heating strips.

[0016] In one embodiment, the heating part also includes an extension piece. One end of the extension piece is connected to the heating part, and the other end is connected to the pin, allowing the heating part to extend the pin outward.

[0017] In some embodiments, the partition working controllable heating element includes a common pin, at least two heating parts, at least two independent pins, and an extension piece, with the common pin connecting to the common pole. The two heating parts have identical structures and are aligned with intervals in the vertical direction. First ends of the two heating parts connect to the common pole. A second end of an upper heating part connects to the extension piece and connects to one of the independent pins through the extension piece, and a second end of a lower heating part connects to the other independent pin; or a first end of the upper heating part connects to the extension piece and connects to the common pole through the extension piece, and a first end of the lower heating part connects to the common pin, with the second ends of the two heating parts respectively connecting to the two independent pins.

[0018] In some embodiments, there is an integrally-formed connection structure between the heating parts.

[0019] In some embodiments, a diameter of the common pin is greater than a diameter of the independent pins.

[0020] In some embodiments, an outer circumference of both the common pin and the independent pins are provided with an insulating layer.

[0021] In some embodiments, the insulating layer on the common pin is of a different color from the insulating layer on the independent pins.

[0022] In some embodiments, a contact plate is provided on the extension piece to abut the common pin.

[0023] In some embodiments, the partition working controllable heating element includes a common pin, n heating parts, n independent pins, and n-1 extension pieces, n being greater than or equal to 2. The n heating parts have identical structures and are aligned with intervals in the vertical direction. A first end of each heating part connects to either the common pin or an independent pin. Except for a bottom-most heating part, second ends of all other heating parts connect to the extension piece and connect to the other of the common pin or an independent pin. A second end of the bottom-most heating part connects to the other of the common pin or the independent pin. n independent pins respectively correspond to n heating parts. Widths of the extension pieces vary in a horizontal direction to allow independent pins to be spaced horizontally. The common pole connects to the common pin.

[0024] In some embodiments, an atomizer is provided, including: an atomizer housing, oil-absorbing cotton, and the partition working controllable heating element, where the oil-absorbing cotton and the partition working controllable heating element are both arranged within the atomizer housing, and where the partition working controllable heating element wraps around the oil-absorbing cotton.

[0025] In some embodiments, an atomization device is provided, including an atomizer, a battery module, and an outer housing, where the atomizer is installed within the outer housing and contains the partition working controllable heating element. The battery module is provided within the outer housing and is electrically connected to the partition working controllable heating element.

[0026] The embodiments of this application provide a partition working controllable heating element, atomizer, and atomization device. The partition working controllable heating element is provided with multiple interconnected heating parts. These heating parts are arranged in different areas, and during operation, by controlling whether each heating part is connected to the power supply, the corresponding heating part can be set to a heating state or a non-heating state, thereby allowing the heating element to have multiple operating states. Particularly, when the resistances of the individual heating parts vary, the heating element's power output can cover a broad range, accommodating scenarios that require switching between different power levels. Additionally, because the heating parts are arranged in different regions, the heating element can selectively heat specific areas based on actual needs, satisfying the requirements for multi-zone partitioned heating scenarios.

BRIEF DESCRIPTION OF DRAWINGS



[0027] To describe the technical solutions in the embodiments of this application or in the related art more clearly, the following briefly describes the accompanying drawings required for describing the embodiments or the related art. Apparently, the accompanying drawings in the following description show merely some embodiments of this application, and a person skilled in the art may still derive other drawings from these accompanying drawings without creative efforts.

Figure 1 is a planar schematic of a partition working controllable heating element provided in an embodiment of the present application.

Figure 2 is a planar schematic of the heating element in Figure 1 after adding a common pin.

Figure 3 is a schematic view of the heating element in Figure 2 in a coiled state.

Figure 4 is a partial enlarged view of section A in Figure 1.

Figure 5 is a front view of a partition working controllable heating element provided in an embodiment of the present application.

Figure 6 is a side perspective view of a partition working controllable heating element provided in an embodiment of the present application.

Figure 7 is a front view of another embodiment of a partition working controllable heating element provided by the present application.

Figure 8 is a front view of other embodiments of a partition working controllable heating element provided by the present application.



[0028] Reference number explanations:
1 - Heating Part; 11 - First Row of Heating Parts; 111 - First Heating Part; 112 - Second Heating Part; 12 - Second Row of Heating Parts; 121 - Third Heating Part; 122 - Fourth Heating Part; 13 - Heating Strip; 14 - Connecting Strip; 15 - Extension Piece; 2 - Common Pole; 21 - First Common Pole; 22 - Second Common Pole; 3 - Connecting Section; 4 - First Pin; 5 - Second Pin; 6 - Third Pin; 7 - Fourth Pin; 8 - Common Pin; 9 - Insulating Layer; 30 - Independent Pin; 41 - Contact Plate.

DETAILED DESCRIPTION



[0029] The following description will provide a clear and complete description of the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings. It is evident that the described embodiments are only a part of the embodiments of the present application, not all embodiments. All other embodiments that a person skilled in the art could derive without creative labor based on the embodiments in the present application fall within the scope of protection of the present application.

[0030] To make the above objectives, features, and advantages of the present application more apparent and understandable, the specific implementation of the present application will be described in detail in conjunction with the accompanying drawings. Many specific details are illustrated in the following description to facilitate a comprehensive understanding of the present application. However, the present application may be implemented in many ways different from those described herein, and those skilled in the art may make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0031] In the description of the present application, the terms "first," "second," etc., are used merely for descriptive purposes and should not be interpreted as indicating or implying relative importance or implicitly specifying the number of described technical features. Thus, features defined as "first" or "second" may explicitly or implicitly include at least one of the specified features. In the description of the present application, the term "multiple" means at least two, such as two, three, and so forth, unless otherwise specifically defined.

[0032] In the description of the present application, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive from other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] In the description of the embodiments of this application, the term "and/or" is merely a way to describe the relationship between associated objects, indicating that there can be three types of relationships. For example, "A and/or B" can represent the three scenarios: A alone, both A and B together, and B alone. Additionally, the character "/" generally indicates an "or" relationship between the associated objects before and after it.

[0034] In the description of the embodiments of this application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0035] In the description of the present application, it should be understood that terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "internal," "external," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and other directional or positional relationships refer to the orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the described devices or components must have specific orientations or be constructed and operated in a specific orientation. Therefore, these terms should not be interpreted as limitations of the present application.

[0036] In the present application, unless otherwise specified, terms like "mounted," "connected," "coupled," and "fixed" should be understood broadly. For example, they may imply a fixed connection, a detachable connection, or a single unit; they may involve mechanical connections or electrical connections; and they may be directly connected or indirectly connected through intermediate media. These terms may refer to communication between two components or the interaction relations between them unless otherwise specified. Those skilled in the art may understand the specific meanings of the above terms in the context of the present application based on the circumstances.

[0037] Referring to Figure 1, one embodiment of this application provides a partition working controllable heating element. The partition working controllable heating element includes multiple connected heating parts 1, distributed across different areas. Each heating part 1 has two electrodes: one used to connect to the positive terminal of the power supply, and the other to the negative terminal. Users can control each heating part 1 to be in a heating state or a non-heating state based on actual needs. When any heating part 1 is in operation, at least one heating part 1 is in a heating state. Therefore, the arrangement of multiple heating parts 1 allows the heating element to have various operating states. Because the heating parts 1 are arranged in different areas, the heating element can heat designated zones based on actual conditions, meeting the requirements for zoned heating in products.

[0038] In one embodiment, one electrode of each of the two adjacent heating parts 1 are connected to form a common pole 2, which can be extended outward. This setup reduces the number of pins extending from the heating element while allowing individual control over each heating part 1, simplifying the complexity of connecting the heating element to an external power source and reducing the space it occupies within the internal structure of the product.

[0039] In one embodiment, the heating element specifically includes multiple rows of heating parts 1 arranged sequentially along a first direction (i.e., the Y-axis direction). Each row of heating parts 1 includes at least two heating parts 1 arranged sequentially along a second direction (i.e., the X-axis direction). In the X-axis direction, a common pole 2 connects each pair of adjacent heating parts 1, significantly reducing the number of pins extending from the heating element. Additionally, a connecting section 3 links each pair of adjacent rows of heating parts 1. Each connecting section 3 connects the common poles 2 within the two rows of heating parts 1, and the connecting section 3 is conductive. To further simplify the manufacturing process of the heating element, in this embodiment, all connecting sections 3, all common poles 2, and all heating parts 1 are preferably integrally-formed components, enabling the entire heating element to be directly shaped through stamping or cutting. The arrangement of the connecting section 3 allows for a greater reduction in the number of pins extending from the heating element when multiple rows of heating part 1 has at least one heating part 1 that is in a heating state. The heating element with four heating parts 1 is used as an example for a more detailed explanation as follows.

[0040] In one embodiment, the heating element includes a first row of heating parts 11 and a second row of heating parts 12 arranged along the Y-axis direction. The first row of heating parts 11 includes a first heating part 111 and a second heating part 112 connected sequentially along the X-axis direction, while the second row of heating parts 12 includes a third heating part 121 and a fourth heating part 122 also connected sequentially along the X-axis direction. A first common pole 21 connects the first heating part 111 and the second heating part 112, and a second common pole 22 connects the third heating part 121 and the fourth heating part 122. A connecting section 3 links the first common pole 21 and the second common pole 22. The end of the first heating part 111 away from the first common pole 21 is connected to a first pin 4, the end of the second heating part 112 away from the first common pole 21 is connected to a second pin 5, the end of the third heating part 121 away from the second common pole 22 is connected to a third pin 6, and the end of the fourth heating part 122 away from the second common pole 22 is connected to a fourth pin 7.

[0041] The first pin 4, the second pin 5, the third pin 6, and the fourth pin 7 are all independent pins 30. When any two of the first pin 4, the second pin 5, the third pin 6, and the fourth pin 7 are connected to an external power source to form an electrically conductive circuit, the operating state of the heating element will include any two heating parts 1 being connected in series and simultaneously in a heating state. Specifically, this can be understood as follows.

[0042] When the first pin 4 and the second pin 5 form an electrically conductive loop, the first heating part 111 and the second heating part 112 are connected in series and are simultaneously in a heating state, resulting in the first operating state of the heating element.

[0043] When the first pin 4 and the third pin 6 form an electrically conductive loop, the first heating part 111 and the third heating part 121 are connected in series and are simultaneously in a heating state, resulting in the second operating state of the heating element.

[0044] When the first pin 4 and the fourth pin 7 form an electrically conductive loop, the first heating part 111 and the fourth heating part 122 are connected in series and are simultaneously in a heating state, resulting in the third operating state of the heating element.

[0045] When the second pin 5 and the third pin 6 form an electrically conductive loop, the second heating part 112 and the third heating part 121 are connected in series and are simultaneously in a heating state, resulting in the fourth operating state of the heating element.

[0046] When the second pin 5 and the fourth pin 7 form an electrically conductive loop, the second heating part 112 and the fourth heating part 122 are connected in series and are simultaneously in a heating state, resulting in the fifth operating state of the heating element.

[0047] When the third pin 6 and the fourth pin 7 form an electrically conductive loop, the third heating part 121 and the fourth heating part 122 are connected in series and are simultaneously in a heating state, resulting in the sixth operating state of the heating element.

[0048] When any two of the first pin 4, the second pin 5, the third pin 6, and the fourth pin 7 are connected to the positive terminal of the power source, and the other two pins are connected to the negative terminal, all four of the first heating part 111, the second heating part 112, the third heating part 121, and the fourth heating part 122 are simultaneously in a heating state, resulting in the seventh operating state of the heating element.

[0049] Therefore, by connecting a first common pole 21 between the first heating part 111 and the second heating part 112, a second common pole 22 between the third heating part 121 and the fourth heating part 122, and a connecting section 3 between the first common pole 21 and the second common pole 22, the heating element requires only four external pins to achieve the seven aforementioned operating states.

[0050] When the resistances of all four heating parts 1 are different, the total heating power of the heating element varies across the first to sixth operating states. When the heating part is in the seventh operating state, where any two of the pins can be selected as the positive terminals and the other two as the negative terminals, there are six possible configurations as well. In summary, with different resistances for the four heating parts 1, the heating element can achieve twelve distinct heating power levels.

[0051] When the resistances of all four heating parts 1 are the same, the total heating power of the heating element is the same across the first to sixth operating states. When the heating element is in the seventh operating state, where any two of the four pins can be selected as the positive terminals and the other two as the negative terminals, there is one additional heating power level. Thus, when the resistances of all four heating parts 1 are the same, the heating element has two distinct heating power levels. Therefore, the resistances of the four heating parts 1 can be designed based on actual needs to ensure that the heating element has at least two power levels and up to twelve power levels. This design allows the heating element to cover a broad range of heating power levels, facilitating applications that require switching between different power levels.

[0052] Referring to Figure 2, in one embodiment, a common pin 8 is connected to the common pole 2. When the common pin 8 forms an electrically conductive loop with any one of the first pin 4, second pin 5, third pin 6, or fourth pin 7, it enables the heating element to achieve more operating states and more power levels. The specific operating states of the heating element include the following.

[0053] When any of the first pin 4, second pin 5, third pin 6, or fourth pin 7 forms an electrically conductive loop with the common pin 8, the first heating part 111, second heating part 112, third heating part 121, or fourth heating part 122 individually enters a heating state. In other words, the arrangement of the common pin 8 extends the heating element's functionality by four heating states compared to a heating element without a common pin 8, resulting in a total of eleven operating states.

[0054] When the first pin 4 and the second pin 5 form an electrically conductive loop with the common pin 8, the first heating part 111 and the second heating part 112 are connected in parallel, both in a heating state. This is the twelfth operating state of the heating element. Note that although the heating parts of the heating element in this twelfth state are the same as in the first operating state, the configuration differs: in the first state, the first heating part 111 and the second heating part 112 are connected in series, while in the twelfth state, the first heating part 111 and the second heating part 112 are connected in parallel, leading to different heating powers in the first state and the twelfth state.

[0055] When the first pin 4 and the third pin 6 form an electrically conductive loop with the common pin 8, the first heating part 111 and the third heating part 121 are connected in parallel, both in a heating state. This is the thirteenth operating state of the heating element. Note that although the heating parts of the heating element involved in this thirteenth operating state are the same as in the second operating state, the configuration differs: in the second state, the first heating part 111 and the third heating part 121 are connected in series, whereas in the thirteenth state, they are connected in parallel, leading to different heating powers of the heating element in the second and the thirteenth operating states.

[0056] When the first pin 4 and the fourth pin 7 form an electrically conductive loop with the common pin 8, the first heating part 111 and the fourth heating part 122 are connected in parallel, both in a heating state. This is the fourteenth operating state of the heating element. Note that although the heating parts of the heating element involved in both the third and fourteenth operating states are the same, the configuration differs: in the third state, the first heating part 111 and the fourth heating part 122 are connected in series, whereas in the fourteenth state, they are connected in parallel, leading to different heating powers of the heating element in the third and fourteenth operating states.

[0057] When the second pin 5 and the third pin 6 form an electrically conductive loop with the common pin 8, the second heating part 112 and the third heating part 121 are connected in parallel, both in a heating state. This is the fifteenth operating state of the heating element. Note that although the heating parts of the heating element involved in both the fourth and fifteenth operating states are the same, the configuration differs: in the fourth state, the second heating part 112 and the third heating part 121 are connected in series, whereas in the fifteenth state, they are connected in parallel, leading to different heating powers of the heating element in the fourth and fifteenth operating states.

[0058] When the second pin 5 and the fourth pin 7 form an electrically conductive loop with the common pin 8, the second heating part 112 and the fourth heating part 122 are connected in parallel, both in a heating state. This is the sixteenth operating state of the heating element. Note that although the heating parts of the heating element involved in both the fifth and sixteenth operating states are the same, the configuration differs: in the fifth state, the second heating part 112 and the fourth heating part 122 are connected in series, whereas in the sixteenth state, they are connected in parallel, leading to different heating powers of the heating element in the fifth and sixteenth operating states.

[0059] When the third pin 6 and the fourth pin 7 form an electrically conductive loop with the common pin 8, the third heating part 121 and the fourth heating part 122 are connected in parallel, both in a heating state. This is the seventeenth operating state of the heating element. Note that although the heating parts of the heating element involved in both the sixth and seventeenth operating states are the same, the configuration differs: in the sixth state, the third heating part 121 and the fourth heating part 122 are connected in series, whereas in the seventeenth state, they are connected in parallel, leading to different heating powers of the heating element in the sixth and seventeenth operating states.

[0060] When the first pin 4, second pin 5, and third pin 6 each form an electrically conductive loop with the common pin 8, the first heating part 111, second heating part 112, and third heating part 121 are connected in parallel and are simultaneously in a heating state. This is the eighteenth operating state of the heating element.

[0061] When the first pin 4, second pin 5, and fourth pin 7 each form an electrically conductive loop with the common pin 8, the first heating part 111, second heating part 112, and fourth heating part 122 are connected in parallel and are simultaneously in a heating state. This is the nineteenth operating state of the heating element.

[0062] When the first pin 4, third pin 6, and fourth pin 7 each form an electrically conductive loop with the common pin 8, the first heating part 111, third heating part 121, and fourth heating part 122 are connected in parallel and are simultaneously in a heating state. This is the twentieth operating state of the heating element.

[0063] When the second pin 5, third pin 6, and fourth pin 7 each form an electrically conductive loop with the common pin 8, the second heating part 112, third heating part 121, and fourth heating part 122 are connected in parallel and are simultaneously in a heating state. This is the twenty-first operating state of the heating element.

[0064] When all four of the first pin 4, second pin 5, third pin 6, and fourth pin 7 form an electrically conductive loop with the common pin 8, the first heating part 111, second heating part 112, third heating part 121, and fourth heating part 122 are connected in parallel and are simultaneously in a heating state. This is the twenty-second operating state. It should be noted that although the heating parts of the heating element in both the seventh and twenty-second operating states are the same, the seventh state does not involve a simple parallel connection of the four heating parts 1, whereas the twenty-second state involves a simple parallel connection of the four heating parts 1, resulting in different heating powers of the heating element in the seventh and twenty-second operating states.

[0065] Based on the above, it is evident that on the basis of the scheme with four pins, by simply adding one more common pin 8, the heating element can achieve twenty-two operating states with only five pins. Furthermore, the eighth to the twenty-second operating states allow the heating element to cover a wider range of heating power, meeting application scenarios that require switching between many different heating power levels.

[0066] In one embodiment, the first pin 4, second pin 5, third pin 6, fourth pin 7, and the common pin 8 all extend along the Y-axis direction. Moreover, the total length of the first row of heating parts 11 along the X-axis direction is greater than the length of the second row of heating parts 12 along the X-axis direction (i.e., the total length of the first heating part 111 and second heating part 112 is greater than the total length of the third heating part 121 and fourth heating part 122). This design ensures that when the first pin 4 and second pin 5 extend in the Y-axis direction, they do not interfere with the second row of heating parts 12 and allows the first pin 4 and third pin 6 to be arranged adjacent to each other, as well as the second pin 5 and fourth pin 7 to be arranged adjacent to each other.

[0067] Referring to Figure 3, in one embodiment, the first pin 4 and the second pin 5 are positioned close to each other, placing the heating element in a coiled state. The coiled state has the advantage of a smaller form factor, which can reduce the volume of the product when the heating element is installed internally. This design is particularly suitable for placement inside a cylindrical liquid storage chamber.

[0068] In another embodiment, to prevent short circuits between the pins, the outer surfaces of the first pin 4, second pin 5, third pin 6, fourth pin 7, and the common pin 8 are all equipped with an insulating layer 9. This insulating layer 9 can be a coating sprayed onto the surface of the pins, or it could be an insulating outer sheath wrapped around the pins' exterior surfaces.

[0069] Referring to Figures 1 and 4, in one embodiment, each heating part 1 is preferably of the same structure and specifically includes multiple heating strips 13. These heating strips 13 are each connected to the two electrodes of the heating part 1 (where one electrode is equivalent to the corresponding common pole 2 and the other electrode is equivalent to the corresponding pin). This setup connects the heating strips 13 in parallel. Each heating strip 13 is bent to extend, thereby lengthening its path, which enhances the heating efficiency of the heating part 1. Furthermore, the extended bending of the heating strips 13 increases the contact area between the heating strips and the liquid being heated, further improving the heating efficiency of the heating part 1. Additionally, multiple connecting strips 14 are connected between adjacent heating strips 13. By incorporating these connecting strips 14, the contact area between the heating part 1 and the heated liquid is further increased, thereby enhancing the heating efficiency further.

[0070] In summary, this design of the heating element is arranged with multiple heating parts 1. During actual operation, the heating parts 1 can be set between heating and non-heating states by controlling their connection to the power supply, resulting in multiple operational states for the heating element. When adjacent heating parts 1 within each row share the same common pole 2, and the common poles 2 in adjacent rows are connected via conductive connecting sections 3, the heating element can achieve various operational states with a very limited number of external pins. Notably, when the resistances of many heating parts 1 vary, the heating element can achieve a broad range of heating power levels, effectively covering a wide range of power needs to meet application scenarios that require switching between different heating powers. Additionally, because multiple heating parts 1 are arranged in different areas, the heating element can selectively heat specific zones based on actual conditions to satisfy multi-zone partition heating requirements.

[0071] In one embodiment, referring to Figure 5, the partition working controllable heating element includes: a common pin 8, at least two heating parts 1, at least two independent pins 30, and an extension piece 15.

[0072] The two heating parts 1 have identical structures and are aligned vertically with spacing. For illustrative purposes, this embodiment assumes the axial direction of the common pin 8 is vertical, with the radial direction of the common pin 8 being horizontal. The common pole 2 is connected to the common pin 8.

[0073] Each heating part 1 includes a first end and a second end; in this embodiment, the right end of the heating part 1 in Figure 5 is considered the first end, and the left end of the heating part 1 is the second end.

[0074] The first end of each heating part 1 is connected to the common pin 8. The second end of the upper heating part 1 is connected to an extension piece 15, which in turn connects to one independent pin 30 via the extension piece 15. The second end of the lower heating part 1 connects to another independent pin 30.

[0075] The use of the extension piece 15 allows the two independent pins 30 to be offset in the horizontal direction, reducing the risk of short-circuiting between them. Additionally, the extension piece 15 can pre-position the independent pins 30, thereby lowering the complexity of installing the partition working controllable heating element into the atomizer housing.

[0076] In one embodiment, as shown in Figure 7, the design includes: a common pin 8, at least two heating parts 1, at least two independent pins 30, and an extension piece 15. The two heating parts 1 have identical structures and are aligned vertically with spacing. The first end of the upper heating part 1 connects to the extension piece 15, which is further connected to the common pin 8. The first end of the lower heating part 1 directly connects to the common pin 8. The second ends of the two heating parts 1 are each connected to two independent pins 30. Additionally, in this configuration, both the common pin 8 and the independent pins 30 can be provided with an insulating layer 9. In this embodiment, the extension piece 15 is arranged on the common pin 8.

[0077] The partition working controllable heating element provided in this embodiment can be produced through the following three steps.

[0078] First Step: integrally connect the extension piece 15 with the common pin 8.

[0079] Second Step: connect the right end of each heating part 1 to an independent pin 30.

[0080] Third Step: in order from bottom to top, connect the left end of the first heating part 1 to an independent pin 30 and the left end of the second heating part 1 to the extension piece 15, and continue in this manner until all heating parts 1 are connected to the common pin 8.

[0081] In these three production steps, the first and second steps can be done simultaneously. After that, during the third step, each heating part 1 is connected to the common pin 8 one by one, ensuring that independent pins 30 do not come into contact with each other, enabling rapid assembly.

[0082] Exemplarily, in practical applications, after completing the first and second steps, each heating part 1 can be clamped into a predetermined arrangement by using jigs. This predetermined arrangement means that the independent pins 30 on each heating part 1 are arranged in an interleaving manner. Then, by using the jig to hold multiple heating parts 1 close to the independent pins 30, simultaneous soldering can be performed.

[0083] In one embodiment, the extension piece 15 is used solely to establish a conductive connection between the heating part 1 and the independent pin 30. When the heating part 1 is powered, the extension piece 15 does not generate heat. Therefore, by designing each heating part 1 with a consistent structure, users can switch heating parts without experiencing variations in taste due to differences in heating effectiveness related to size changes. Thus, the partition working controllable heating element provided in this embodiment improves the lifespan of heating parts 1, reduces the risk of short circuits between independent pins 30 and the common pin 8, decreases production and assembly difficulty, and does not affect the taste when switching heating parts 1.

[0084] In another embodiment, the heating parts 1 of this application are integrally-formed connection structures.

[0085] By designing each heating part 1 as an integrally-formed structure, production assembly difficulty is further reduced, enhancing production efficiency. Specifically, during the production process, the heating parts 1 can be produced as integral components. When connecting the heating parts 1 to the pins, since the heating parts are integrally-formed connection structures, it is sufficient to connect only one heating part 1, such as the bottom heating part 1, to the common pin 8 to complete the connection of all heating parts 1 to the common pin 8, thereby effectively increasing production and assembly efficiency.

[0086] In one embodiment, based on the above embodiments, the wire diameter of the common pin 8 is larger than that of the independent pins 30.

[0087] By setting the wire diameter for the common pin 8 larger than that of the independent pins 30 reduces the risk of it being burned out due to excessive current when multiple heating parts 1 are activated simultaneously.

[0088] Exemplarily, both the common pin 8 and the independent pins 30 are equipped with an insulating layer 9 around their perimeters. The insulating layer 9 further reduces the risk of short circuits between the pins, thereby providing additional protection.

[0089] Additionally, the insulating layer 9 on the common pin 8 can be of a color different from that of the insulating layer 9 on the independent pins 30. In this embodiment, the insulating layer 9 on the common pin 8 can be red, while the insulating layer 9 on the independent pins 30 can be green, making it easier for workers to distinguish between them during the production and assembly process.

[0090] In another embodiment, referring to Figure 6, the extension piece 15 is equipped with a contact plate 41 that is used to abut the common pin 8.

[0091] Exemplarily, viewing Figure 5 as the front view of the partition working controllable heating element, the outer end of the extension piece 15 is flat in a top view, facilitating its welding to the pins. In this particular embodiment, the contact plate 41 can be placed at the outer end of the extension piece 15, forming a T-shaped or L-shaped thin plate structure with the extension piece 15.

[0092] During the production of the atomizer, the partition working controllable heating element needs to be wrapped around the oil-absorbing cotton. The contact plate 41 helps workers determine whether the heating element is bent into position, specifically assisting in determining if the extension piece 15 is abutting the common pin 8 adequately.

[0093] In application, to reduce the width of the contact plate 41, it can be designed as an arc shape. This design allows the contact plate 41 to fit better with the common pin 8 while reducing its width.

[0094] In the third aspect of this application, a partition working controllable heating element is provided, which includes: a common pin 1, n heating parts 1, n independent pins 30, and n-1 extension pieces 15, where n≥2. The n heating parts 1 are identical in structure and are aligned vertically with spacing. The first end of each heating part 1 is connected to either the common pin 1 or one of the independent pins 30. Except for the bottommost heating part 1, the second end of the other heating part 1 is connected to an extension piece 15, which then connects to either the common pin 1 or one of the independent pins 30. The second end of the bottommost heating part 1 is connected to either the common pin 1 or the other one of the independent pins 30. Each of the n independent pins 30 corresponds to and connects with each of the n heating parts 1. The widths of the extension pieces 15 vary horizontally to space the independent pins 30 apart in the horizontal direction.

[0095] For ease of explanation, this embodiment uses n=3 and assumes the first end of each heating part 1 is connected to the common pin 1 as an example. Referring to Figure 8, each heating part 1 may be integrally configured. After connecting the right end of each heating part 1, i.e., the first end of each heating part 1, to the common pin 1, the left end of each heating part 1, i.e., the second end of each heating part 1, is successively connected to an extension piece 15. The width of the extension pieces 15 decreases from top to bottom. After this, the extension pieces 15 are then connected to the independent pins 30.

[0096] Another embodiment of this application provides an atomizer, which includes: an atomizer housing, oil-absorbing cotton, and a partition working controllable heating element. Both the oil-absorbing cotton and the partition working controllable heating element are housed within the atomizer housing.

[0097] The heating element is wrapped around the oil-absorbing cotton. In the known art, it is common knowledge that an atomizing core and an atomizer refer to the same structure, differing only slightly in name.

[0098] Another embodiment provides an atomization device, including an atomizer, a battery module, and an outer casing. The atomizer is arranged within the outer casing, and inside the atomizer is a partition working controllable heating element as described in any of the previous embodiments. The battery module is also located within the outer casing and is electrically connected to the partition working controllable heating element.

[0099] The technical features of the embodiments described above can be combined in any manner. To keep the description concise, not all possible combinations of these technical features are described, but any combination that does not create a contradiction should be considered within the scope of this disclosure.

[0100] The embodiments described above are merely examples of several implementations of this application. They are described specifically and in detail but should not be understood as limiting the scope of the present application. It should be noted that those skilled in the art can make various changes and modifications without departing from the spirit of the application, and these should be considered within the protection scope of the application. Therefore, the scope of protection of this application should be determined by the appended claims.


Claims

1. A partition working controllable heating element, comprising multiple connected heating parts distributed across different areas, wherein each heating part extends outward with at least one pin, and the partition working controllable heating element connects to an external power supply by selecting different pins to achieve multiple operating states, with at least one common pole connecting adjacent heating parts to reduce a total number of pins on the partition working controllable heating element.
 
2. The partition working controllable heating element according to claim 1, wherein at least two pairs of adjacent heating parts are connected by the common pole, and a connecting section connects two adjacent common poles, the connecting section being conductive.
 
3. The partition working controllable heating element according to claim 2, wherein the partition working controllable heating element comprises at least four heating parts, the at least four heating parts comprising a first heating part, a second heating part, a third heating part, and a fourth heating part;

wherein a first common pole connects the first heating part and the second heating part, a second common pole connects the third heating part and the fourth heating part, and a connecting section connects the first common pole and the second common pole; and

wherein a first pin connects to an end of the first heating part away from the first common pole, a second pin connects to an end of the second heating part away from the first common pole, a third pin connects to an end of the third heating part away from the second common pole, and a fourth pin connects to an end of the fourth heating part away from the second common pole.


 
4. The partition working controllable heating element according to claim 3, wherein when any two of the first pin, the second pin, the third pin, and the fourth pin form an electrically conductive loop, the operating state of the heating element comprises any two heating parts being connected in series and simultaneously in a heating state.
 
5. The partition working controllable heating element according to claim 4, wherein:

when the first pin and the second pin form an electrically conductive loop, the first heating part and the second heating part are connected in series and simultaneously in a heating state;

when the first pin and the third pin form an electrically conductive loop, the first heating part and the third heating part are connected in series and simultaneously in a heating state;

when the first pin and the fourth pin form an electrically conductive loop, the first heating part and the fourth heating part are connected in series and simultaneously in a heating state;

when the second pin and the third pin form an electrically conductive loop, the second heating part and the third heating part are connected in series and simultaneously in a heating state;

when the second pin and the fourth pin form an electrically conductive loop, the second heating part and the fourth heating part are connected in series and simultaneously in a heating state; or

when the third pin and the fourth pin form an electrically conductive loop, the third heating part and the fourth heating part are connected in series and simultaneously in a heating state.


 
6. The partition working controllable heating element according to claim 3, wherein the first common pole or the second common pole is connected to a common pin; and
wherein the first pin, the second pin, the third pin, and the fourth pin can form an electrically conductive loop with the common pin to allow the heating element's operating state to comprise: four heating parts individually in a heating state; any two heating parts connected in parallel and in a heating state; any three heating parts connected in parallel and in a heating state; or all four heating parts connected in parallel and in a heating state.
 
7. The partition working controllable heating element according to claim 6, wherein:

when any one of the first pin, the second pin, the third pin, or the fourth pin forms an electrically conductive loop with the common pin, the first heating part, the second heating part, the third heating part, or the fourth heating part is individually in a heating state;

when the first pin and the second pin respectively form an electrically conductive loop with the common pin, the first heating part and the second heating part are connected in parallel and in a heating state;

when the first pin and the third pin respectively form an electrically conductive loop with the common pin, the first heating part and the third heating part are connected in parallel and in a heating state;

when the first pin and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part and the fourth heating part are connected in parallel and in a heating state;

when the second pin and the third pin respectively form an electrically conductive loop with the common pin, the second heating part and the third heating part are connected in parallel and in a heating state;

when the second pin and the fourth pin respectively form an electrically conductive loop with the common pin, the second heating part and the fourth heating part are connected in parallel and in a heating state;

when the third pin and the fourth pin respectively form an electrically conductive loop with the common pin, the third heating part and the fourth heating part are connected in parallel and in a heating state;

when the first pin, the second pin, and the third pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, and the third heating part are connected in parallel and in a heating state;

when the first pin, the second pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, and the fourth heating part are connected in parallel and in a heating state;

when the first pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state;

when the second pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the second heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state; or

when the first pin, the second pin, the third pin, and the fourth pin respectively form an electrically conductive loop with the common pin, the first heating part, the second heating part, the third heating part, and the fourth heating part are connected in parallel and in a heating state.


 
8. The partition working controllable heating element according to claim 6, wherein the first pin, the second pin, the third pin, the fourth pin, and the common pin all extend in a same direction; and
wherein a total length of the first heating part plus the second heating part is greater than a total length of the third heating part plus the fourth heating part, with the first pin being arranged adjacent to the third pin, and the second pin being arranged adjacent to the fourth pin.
 
9. The partition working controllable heating element according to claim 8, wherein the first pin and the second pin are close to each other to allow the partition working controllable heating element to remain in a coiled state; and
wherein outer surfaces of the first pin, the second pin, the third pin, the fourth pin, and the common pin are all provided with an insulating layer.
 
10. The partition working controllable heating element according to any of claims 1 to 9, wherein the heating parts comprise multiple heating strips; and
wherein one end of each heating strip is connected to a corresponding pin and the other end is connected to a corresponding common pole, with multiple connecting strips connecting two adjacent heating strips.
 
11. The partition working controllable heating element according to claim 1, wherein the partition working controllable heating element comprises a common pin, at least two heating parts, at least two independent pins, and an extension piece, with the common pin connecting to the common pole;

wherein the two heating parts have identical structures and are aligned with intervals in the vertical direction;

wherein first ends of the two heating parts connect to the common pole;

wherein a second end of an upper heating part connects to the extension piece and connects to one of the independent pins through the extension piece; and

wherein a second end of a lower heating part connects to the other independent pin.


 
12. The partition working controllable heating element according to claim 1, wherein there is an integrally-formed connection structure between the heating parts.
 
13. The partition working controllable heating element according to claim 11, wherein a diameter of the common pin is greater than a diameter of the independent pins.
 
14. The partition working controllable heating element according to claim 11, wherein an outer circumference of both the common pin and the independent pins are provided with an insulating layer.
 
15. The partition working controllable heating element according to claim 14, wherein the insulating layer on the common pin is of a different color from the insulating layer on the independent pins.
 
16. The partition working controllable heating element according to claim 11, wherein a contact plate is provided on the extension piece to abut the common pin.
 
17. The partition working controllable heating element according to claim 1, wherein the partition working controllable heating element comprises a common pin, at least two heating parts, at least two independent pins, and an extension piece, with the common pin connecting to the common pole;

wherein the two heating parts have identical structures and are aligned with intervals in the vertical direction;

wherein a first end of an upper heating part connects to the extension piece and connects to the common pole through the extension piece; and

wherein a first end of a lower heating part connects to the common pole, with second ends of the two heating parts respectively connecting to the two independent pins.


 
18. The partition working controllable heating element according to claim 1, wherein the partition working controllable heating element comprises a common pin, n heating parts, n independent pins, and n-1 extension pieces, n being greater than or equal to 2;

wherein the n heating parts have identical structures and are aligned with intervals in the vertical direction;

wherein a first end of each heating part connects to either the common pin or an independent pin;

wherein, except for a bottom-most heating part, second ends of all other heating parts connect to the extension piece and connect to the other of the common pin or an independent pin;

wherein a second end of the bottom-most heating part connects to the other of the common pin or the independent pin;

wherein n independent pins respectively correspond to n heating parts;

wherein widths of the extension pieces vary in a horizontal direction to allow independent pins to be spaced horizontally; and

wherein the common pole connects to the common pin.


 
19. An atomizer, comprising: an atomizer housing, oil-absorbing cotton, and the partition working controllable heating element according to any of claims 1 to 18,

wherein the oil-absorbing cotton and the partition working controllable heating element are both arranged within the atomizer housing; and

wherein the partition working controllable heating element wraps around the oil-absorbing cotton.


 
20. An atomization device, comprising an atomizer, a battery module, and an outer housing, wherein the atomizer is installed within the outer housing and contains the partition working controllable heating element according to any of claims 1 to 18; and
wherein the battery module is located within the outer housing and is electrically connected to the partition working controllable heating element.
 




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Cited references

REFERENCES CITED IN THE DESCRIPTION



This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

Patent documents cited in the description