MULTI-FUNCTIONAL DETACHABLE LED CEILING LIGHT

Abstract

 A multifunctional detachable LED ceiling light comprises a lighting module for illumination and a driving module kit for installing on a mounting surface. The lighting module is detachably connected with the driving module kit, and through a connecting wire terminal of the lighting module connecting to a terminal of the driving module kit. The lighting module includes a lamp holder, an LED light module and a fitting cover. The lamp holder is detachably connected to the fitting cover, and the two enclose a sealed enclosure for accommodating the LED light module. Benefits of this invention include that when the multi-functional detachable LED ceiling light is used for normal illumination, if the external electrical supply be cut off, the emergency battery will supply power to the driver module to ensure the LED light remains lit to operate as emergency lighting.

Description

FIELD OF THE INVENTION

[0001] This invention relates to a Multifunctional Detachable LED Ceiling Light

BACKGROUND TO THE INVENTION

[0002] With the continuous promotion and application of LED fittings in the market, multi-functional detachable LED ceiling light fittings consume less power, have longer life, longer duration of emergency lighting, enhanced sensitive PIR motion, have more easily adjustable brightness, easier to control, are generally maintenance-free, safe and provide environmental protection. Color temperature of multi-functional detachable LED ceiling light can be adjusted (3000K, 4000K or more) according to environmental conditions, and can be widely used in various indoor and outdoor locations such as hotels, offices, homes, large shopping malls and basements. In terms of cost, such light fittings are slightly more consistent than the original fluorescent lightings play a more important factor in the marketization of LED fittings, thus improving the method of assembly and assembly efficiency as well as convenient installation functions This function makes multi-functional detachable LED ceiling light more function diversification.

SUMMARY OF THE INVENTION

[0003] In order to overcome various problems of usage and installation in current technology, the present invention provides constant illumination indication, emergency illumination and PIR motion sensing function to assist installation and to continue illumination in the event of power failure, and has a longer discharge duration, and can meet the relevant standards for emergency lighting.

[0004] In one aspect, a multifunctional detachable LED ceiling light in accordance with the present invention comprises a lighting module for illumination and a driving module kit for installation on a mounting surface, said lighting module being detachably connected to the driving module kit, and, through a connecting wire terminal of the lighting module, to a terminal of the driving module kit.

[0005] In a preferred arrangement, the multifunctional detachable LED ceiling light of the present invention is characterized in that it comprises a lighting module for illumination and a driving module kit for installing on a mounting surface, wherein the lighting module is detachably connected with the driving module kit, and through connecting wire terminal of the lighting module connecting to terminal of the driving module kit.

[0006] In this preferred arrangement the lighting module includes a lamp holder, an LED light module and a fitting cover. The lamp holder is detachably connected to the fitting cover, and the two enclose a sealed enclosure for accommodating the LED light module. The LED light module mounted on the lamp holder, and link lead of the LED chip module is come from the lamp holder and electrically connected with terminal of the driving module kit for controlling the LED light module to be constantly lit or in emergency mode.

[0007] Also, in this preferred embodiment the driving module kit includes a bottom plate, a upper cover, a driver module kit, a wiring kit, a fixing bracket and an emergency battery kit, and a mounting bracket for fixing on the mounting surface is fixed on an outer mounting surface of bottom plate of the driving module kit. The first mounting surface of upper cover of the driving module is detachably mounted on the inner surface of bottom plate of the driving board. And the two enclose a sealed control enclosure for accommodating the emergency battery and the driver. The second mounting surface of upper cover of them enclose a sealed mounting enclosure for accommodating the wiring kit. The said wiring kit is of the driving module kit and outside mounting face of the lamp holder detachable connected. Both fixed on second mounting surface of upper cover of the driving module kit. Signal output end of the driver kit and signal input end of the wiring kit electrically connected. Signal output end of the wiring kit be electrically connected to terminal of the LED light module through a connecting cable, and is used for controlling the LED light module to be constantly lit or in emergency mode. Power supply end of the driver kit is electrically connected to the external power source and the emergency battery respectively. And keeps staggered turned on with external power supply and emergency battery.

[0008] The LED light module is composed of an aluminum substrate and LED chips. The aluminum substrate is laid in the sealed enclosure. Control end of the said LED chips is electrically connected to signal output end of the driver.

[0009] Side of upper cover of the driving module kit is recessed mounted, to be used for testing switch that test capacity and performance parameters of the emergency battery. And the sealed waterproof silicon rubber gasket is embedded in periphery of the testing switch.

[0010] A microwave sensor for PIR signal is added to the lamp holder, and signal output end of the microwave sensor is electrically connected to a corresponding input jack of the wiring kit.

[0011] The connecting wire includes the first wire (as a terminal) of the LED light module, a second wire (as a terminal of the wiring kit), and a detachable interface. End of the first wire is electrically connected to the second wire, through the detachable interface. That achieves the detachable connection between the first and the second wire.

[0012] The first waterproof gasket is embedded in contact portion of the lamp holder and the fitting cover to achieve a seal between the both.

[0013] The second waterproof gasket is embedded in contact portion between bottom plate and upper cover of the driving module, to achieve sealing between them two.

[0014] The wiring kit comprises a wiring housing, a terminal block and a waterproof cover. The wiring housing is fixed on second surface of upper cover of the driving module. The terminal block is installed inside the wiring housing. The waterproof cover is fixed on opening of the wiring housing. These two parts are in a sealed connection. There is a wiring hole for cable to go through at side of the wiring housing and with waterproof grommet in the hole. One end of the second wire is electrically connected with wiring pin of the terminal block. The other end of second wire is electrically connected to one end of the first wire, via detachable interface and passing through the wiring hole.

[0015] The fixing bracket is secured to bottom plate of the driving module by screws.

[0016] The driver kit includes an emergency driving module for controlling emergency illumination of the light source board, a constant illumination module to control maintaining illumination for normal operation, and a power supply module for controlling the power supply mode. Signal output end of the emergency driving board is electrically connected to control end of the LED light source board, through the emergency driving circuit. Signal output end of the constant light indicating module is electrically connected to control end of the LED light source board through a constant light indicating circuit. Power transmitting end of the emergency driving board is electrically connected to power supply end of the emergency power source. Power transmitting end of the constant light indicating module is electrically connected to power supply end of the electric supply. Control end of the emergency indicating module and control end of the constant light indicating module are electrically connected to corresponding signal output ends of the controller respectively, to ensure that emergency power source and external electric supply staggered turned on.

[0017] Benefits of a multi-functional LED ceiling light in accordance with the invention include:

1) It is suitable for fixed installation in any public places such as hotels, offices, homes, large shopping malls and basements, etc., and fixing bracket of the fitting can be arbitrarily secured with screws on mounting surface;

2) The detachable connection between the lighting module and the driving module kit is convenient for disassembly and assembly;

3) The aluminum substrate and the LED chips constitute a light source plate, and this light source plate is laid in the installation cavity of the fitting body enclosure. And the light-conducting material is used to give uniform even light.

4) Signal output end of the driver kit is electrically connected to the LED light through a driving circuit for controlling the LED emergency mode, so that the LED light can lit constantly. The emergency function will work in case of power failure or abnormality. The microwave sensor is installed to adjust and control the brightness optionally.

5) The whole luminaire has a dual power supply system. That is, control end of the driver kit is electrically connected to external electrical supply and emergency battery, through the power supply circuit. And, the external electrical supply and the emergency battery are staggered turned on. The rated life can be more than 30,000 hours. And the lighting will light for more than four hours in case of abnormal or power failure, and to maintain lighting to achieve emergency function.

6) When the multi-functional detachable LED ceiling light is used for normal illumination, if the external electrical supply be cut off, the emergency battery would supply power to the driver module to ensure the LED light maintain lit on, to work as an emergency lighting.

BRIEF DESCRIPTION OF THE INVENTION

[0018] The invention will now be described by way of example only with reference to the accompanying diagrammatic drawings, in which:-

Figure 1 is an exploded view of a first embodiment of a LED ceiling light in accordance with the present invention.

Figure 2 is an exploded view of a second embodiment of a LED ceiling light in accordance with the invention; and

Figure 3 is an exploded view of a third embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

[0019] Embodiment 1. The embodiment illustrated in Figure 1 comprises a multi-functional detachable LED ceiling light which includes a lighting module 1 for illumination and a driving module 2 for installation on a mounting surface, the lighting module 1-being detachably connected to the driving module 2. The terminal of the lighting module 1 is electrically connected with the terminal of the driving module 2, through a connecting wire 3.

[0020] The lighting module 1 comprises a lamp holder 11, an LED chip module 12 and a fitting cover 13. The lamp holder 11 is detachably connected to the fitting cover 13 and defines with the cover a sealed enclosure for accommodating the LED chip module 12. The LED chip module 12 is mounted on the lamp holder, and link leads of the LED chip module 12 come from the lamp holder 11 and are electrically connected with a terminal of the driving module 2 for controlling the LED lighting module to enable it to be constantly lit or be in emergency mode.

[0021] The driving module kit 2 includes a bottom plate 21 (of the driving module), a upper cover 22 (of this driving module kit), a driver module 26, a wiring kit 24, a fixing bracket 25, and an emergency battery 23. A fixing bracket 25 is mounted on an outer mounting surface of the bottom plate 21. A first mounting surface of the upper cover 22 (of the driving module kit) is detachably mounted on an inner surface of the bottom plate 21. The upper cover 22 and the bottom plate 21 together define a sealed controlling enclosure for accommodating the emergency battery 23 and driver module 26. The second mounting surface of upper cover 22 (of the driving module) is detachably connected to the outer mounting surface of lamp holder 11, the two forming a sealed mounting enclosure for accommodating the wiring kit 24. The wiring kit 24 is fixed to a second mounting surface of the upper cover 22 (of the driving module).

[0022] The signal output end of the driver module 26 is electrically connected to the signal input end of the wiring kit 24. The signal output end of the wiring kit 24 is electrically connected to a terminal of the LED light module 12 through the connecting wire 3, for controlling the LED light module to be constantly lit or as emergency lighting. The power supply end of the driver module 26 is electrically connected to an external power supply and the emergency battery 23, respectively, and keeps the external power supply and emergency battery 23 staggered turned on.

[0023] One side of the upper cover 22 of drive module kit is fitted with a testing switch 221 to test the remaining capacity of the emergency battery as well as performance parameters. The periphery of the detection switch is embedded within a water-resistant silicone cover 222 for waterproofing.

[0024] A microwave sensor 112 for sensing a human body signal (PIR) is added to the lamp holder 11, and the signal output end of the microwave sensor 112 is electrically connected to a corresponding input jack of the wiring kit 24.

[0025] The connecting wire 3 includes a first wire 31 which acts as a terminal of the LED chip module, a second wire 32 which acts as a terminal of the wiring kit, and a detachable interface 33. The end of the first wire 31 is electrical connected to the second wire 32, through the detachable interface 33, to achieve detachable electrical connection between the first wire and second wire.

[0026] The lamp holder 11 is embedded with the first waterproof gasket 111 at the contact portion of the fitting cover 13 for achieving a seal between the lamp holder and the fitting cover.

[0027] The second waterproof gasket 211 is embedded in the contact portion between the bottom plate 21 of the driving module kit and upper cover 22 of the driving module kit to achieve a sealed connection between the bottom plate and the upper cover of the driving module.

[0028] The wiring kit 24 includes a wiring housing 241, a terminal block 242, and a waterproof cover 243. The wiring housing 241 is fixed on a second mounting surface of the upper cover 22 of the driving module kit. The terminal block 242 is installed in the wiring housing 241. The waterproof cover 243 is located at the opening of the wiring housing, and the two are sealed connected. There is a wiring hole at one side of the wiring housing 241 for the connecting wire to go through, and a waterproof grommet 244 is embedded in the wiring hole. One end of the second wire 32 is electrically connected to terminal pins of the terminal block 242. The other end of the second wire 32 is electrically connected to one end of the first wire 31 with the detachable interface 33 passing through the wiring hole. There is a socket on the terminal block for the input wire to be inserted in directly, to achieve electrical connection between the terminal block and the external power source.

[0029] The fixing bracket 25 is fixed to the bottom plate 21 of the driving module by screws 27.

[0030] The driver kit 26 includes an emergency driving module for controlling emergency lighting of the light source panel, a constant light indicating module for controlling normal lighting to indicate normal operation, and a power supply module for controlling the power supply mode. The signal output end of the emergency driving board is electrically connected to the control end of the LED light source board, through an emergency driving circuit. The signal output end of the constant light indicating module is electrically connected to the control end of the LED light source board through a constant light indicating circuit. The output end of the emergency driving board is electrically connected to the power supply end of the emergency power source. The power transmission end of the constant light indicating module is electrically connected to the supply end of the power source. The control end of the emergency indication module and the control end of the constant light indication module are respectively electrically connected to the corresponding signal output end of the controller to ensure that the emergency power source and the external power supply source are staggered when turned on.

[0031] Embodiment 2. In the embodiment illustrated in Figure 2 in which like integers to those illustrated in Figure 1 have the same reference numerals, the lamp holder is sealed with the fitting cover by a screw. The bottom plate of the driving module kit is sealed with the upper cover of the driving module by a screw. The upper cover of the driving module is also sealed with the lamp holder by a screw. The bottom plate 21 of the driving module is assembled to the fixing bracket 25 by a screw, which is convenient for the customer to install. The bottom plate 21 of the driving module kit is equipped with the emergency battery 23 and the driver module 26. The second waterproof gasket 211 is mounted on the bottom plate 21 of the driver module kit to achieve rate IP65. The wiring kit 24 is installed on the upper cover 22 of driving module kit. The test switch 221 is mounted on side of the cover together with a water-resistant silicone cover 222. The performance and life of the battery can be periodically or irregularly tested. Terminal 242 of the wiring kit 24 is installed with a waterproof grommet 244. The water-resisted connecting wire 3 is fixed, and the waterproof terminal 243 is fitted onto the terminal block 242, which gives dual water-resisted effect. The lamp holder 11 is connected to the connecting wire 3. The lamp holder 11 is fixedly connected to the microwave sensor 112. The lamp holder 11 is fixedly connected to the LED light module 12. The first waterproof gasket 111 is mounted on the lamp holder 11. The lamp cover 13 is screwed onto the lamp holder 11 so as to be integrated. The base plate and upper cover of the driver module of driving module kit 2 are screwed together as one body, which is convenient for the user to install. The LED module is connected to the driver module 26 (which drives the LED light) and the emergency battery pack 23 to keep the LED light work constantly. The control end of the driver module 26 is electrically connected to an external power source and the emergency battery 23 through a power circuit and the external power source and the emergency battery are staggered turned on.

[0032] A wiring kit is added to the inner surface of the upper cover 22 of the driving module kit. The wiring kit includes a terminal block for the input wire to insert in directly.

[0033] The working principle of the invention is as follows: when powered by an external source a multifunctional Detachable LED ceiling light in accordance with the invention provides illumination. However, when the external power is cut off, the emergency battery supplies power to the driver to ensure that the LED light works constantly, thereby playing the role of emergency light.

[0034] Emergency conversion function: in the event that the AC power is cut off the system instantaneously automatically switches to the battery power supply state.

[0035] Embodiment 3. In the embodiment illustrated in Figure 3 in which like integers to those illustrated in Figures 1 and 2 have the same reference numerals, the lamp holder and the fitting cover in the lighting module 1 can have a square structure as shown.

[0036] It will be appreciated that the foregoing is merely exemplary of apparatus in accordance with the invention and that modifications can readily be made thereto without departing from the true scope of the invention as set out in the appended claims.

Claims

1. A multifunctional detachable LED ceiling light characterized in that it comprises a lighting module for illumination and a driving module kit for installation on a mounting surface, said lighting module being detachably connected to the driving module kit, and, through a connecting wire terminal of the lighting module, to a terminal of the driving module kit.

2. A ceiling light as claimed in claim 1 wherein the lighting module includes a lamp holder, an LED light module and a fitting cover.

3. A ceiling light as claimed in claim 1 or claim 2 wherein the lamp holder is detachably connected to the fitting cover, and the two enclose a sealed enclosure for accommodating the LED light module.

4. A ceiling light as claimed in any one of the preceding claims wherein the LED light module is mounted on the lamp holder, and a link lead of an LED chip module of the lamp holder is electrically connected to a terminal of the driving module kit to enable the LED light module to be constantly lit or in emergency mode.

5. A ceiling light as claimed in any one of the preceding claims wherein the driving module kit includes a bottom plate, a upper cover, a driver kit, a wiring kit, a fixing bracket an emergency battery kit, and a mounting bracket for securing an outer mounting surface of the bottom plate to the driving module kit.

6. A ceiling light as claimed in any one of the preceding claims wherein the first mounting surface of the upper cover of the driving module is detachably mounted on the inner surface of bottom plate of the driving board, the two enclosing a sealed control enclosure for accommodating the emergency battery and the driver.

7. A ceiling light as claimed in any one of the preceding claims wherein the second mounting surface of the upper cover of the driving module kit and the outside mounting face of the lamp holder are detachably connected.

8. A ceiling light as claimed in claim 7 wherein the second mounting surface of the upper cover and the outer mounting face of the driving module together define a sealed mounting enclosure for accommodating the wiring kit.

9. A ceiling light as claimed in claim 8 wherein the wiring kit is fixed on a second mounting surface of the upper cover of the driving module kit.

10. A ceiling light as claimed in any one of the preceding claims wherein the signal output end of the driver kit and the signal input end of the wiring kit are electrically connected.

11. A ceiling light as claimed in claim 10 wherein the signal output end of the wiring kit is electrically connected to a terminal of the LED light module through a connecting cable to enable the LED light module to be constantly lit or in emergency mode.

12. A ceiling light as claimed in any one of the preceding claims wherein the power supply end of the driver kit is electrically connected to an external power source and to the emergency battery respectively.

13. A ceiling light as claimed in claim 12 wherein the driver kit is kept staggered and turned on with external power supply and emergency battery.

14. A ceiling light as claimed in any one of the preceding claims wherein the LED light module comprises an aluminum substrate and LED chips, the aluminum substrate being located in the sealed enclosure.

15. A ceiling light as claimed in claim 14 wherein the control end of the said LED chips is electrically connected to signal output end of the driver.

16. A ceiling light as claimed in any one of the preceding claims wherein the side of the upper cover of the driving module kit is recess mounted and is employed for testing switch test capacity and performance parameters of the emergency battery and wherein a sealed waterproof silicon rubber gasket is embedded in the periphery of the testing switch.

17. A ceiling light as claimed in any one of the preceding claims wherein a microwave sensor for PIR signal is added to the lamp holder, and the signal output end of the microwave sensor is electrically connected to a corresponding input jack of the wiring kit.

18. A ceiling light as claimed in any one of the preceding claims wherein the connecting wire includes the first wire (as a terminal) of the LED light module, a second wire (as a terminal of the wiring kit), and a detachable interface, the end of the first wire being electrically connected to the second wire through the detachable interface to thereby achieve a detachable connection between the first and the second wire.

19. A ceiling light as claimed wherein the first waterproof gasket is embedded in a contact portion of the lamp holder and the fitting cover to achieve a seal therebetween.

20. A ceiling light as claimed wherein the second waterproof gasket is embedded in a contact portion between the bottom plate and the upper cover of the driving module.

21. A ceiling light as claimed wherein the wiring kit comprises a wiring housing, a terminal block and a waterproof cover. The wiring housing being fixed on a second surface of the upper cover of the driving module and wherein the terminal block is installed inside the wiring housing and the waterproof cover are fixed on an opening of the wiring housing.

22. A ceiling light as claimed wherein one end of the second wire is electrically connected to a wiring pin of the terminal block, the other end of the second wire being electrically connected to one end of the first wire via a detachable interface

23. A ceiling light as claimed wherein the driver kit includes an emergency driving module for controlling emergency illumination of the light source board, a constant illumination module to control maintaining illumination for normal operation, and a power supply module for controlling the power supply mode, wherein the output end of the emergency driving board is electrically connected to the control end of the LED light source board through the emergency driving circuit, wherein the signal output end of the constant light indicating module is electrically connected to the control end of the LED light source board through a constant light indicating circuit, wherein the power transmitting end of the emergency driving board is electrically connected to power supply end of the emergency power source, wherein the power transmitting end of the constant light indicating module is electrically connected to power supply end of the electric supply, and wherein the control end of the emergency indicating module and the control end of the constant light indicating module are electrically connected to corresponding signal output ends of the controller respectively, to ensure that emergency power source and external electric supply staggered turned on.

Drawing