Technical Field
[0001] The present invention relates to the field of rail trains, and in particular to a
vehicle end electric connecting device for a rail train and a vehicle end connecting
apparatus.
Background
[0002] A vehicle end electric connecting mode of the existing rail vehicle is manual connection
through a bridging line and a vehicle end port, that is, one end of the bridging line
is connected to a terminal of a first vehicle body, and the other end is connected
to a terminal of a second vehicle body, thereby achieving an electrical connection
between the two vehicle bodies.
[0003] The electrical connection mode is low in integration and cannot be achieve automatic
connection. It takes time and effort for workers to connect bridging lines in sequence.
Summary
[0004] The present invention is to provide a vehicle end electric connecting device for
a rail train and a vehicle end connecting apparatus, which may solve a problem of
inconvenience in vehicle end electric connection in the related technology.
[0005] According to an aspect of the present invention, a vehicle end electric connecting
device for a rail train is provided. The vehicle end electric connecting device includes:
a mechanical connecting portion, moving in a first direction so as to be connected
to a mechanical connecting portion of another vehicle end electric connecting device;
and a plurality of electric connecting portions, spaced apart from each other around
the mechanical connecting portion, each electric connecting portion of the plurality
of connecting portions including a plurality of connecting ports facing the first
direction, the connecting ports being used for connecting to the connecting ports
of the another vehicle end electric connecting device, and the connecting ports being
interfaces or joints, or the connecting ports being interfaces and joints.
[0006] Further, the plurality of connecting portions include at least two of a low-voltage
connecting portion, a medium-voltage connecting portion, and a high-voltage connecting
portion.
[0007] Further, the plurality of connecting portions include a low-voltage connecting portion,
arranged below the mechanical connecting portion, the low-voltage connecting portion
including at least one of a first 110V connecting port, a 24V connecting port and
an Ethernet connecting port.
[0008] Further, the plurality of connecting portions include a medium-voltage connecting
portion, arranged on a left side of the mechanical connecting portion or a right side
of the mechanical connecting portion; the medium-voltage connecting portion including
a second 110V connecting port or a 380V connecting port; or the medium-voltage connecting
portion including a second 110V connecting port and a 380V connecting port.
[0009] Further, the medium-voltage connecting portion includes the second 110V connecting
port and the 380V connecting port, and the medium-voltage connecting portion further
includes a separation board for separating the second 110V connecting port and the
380V connecting port.
[0010] Further, the plurality of connecting portions include a high-voltage connecting portion,
arranged on a left side of the mechanical connecting portion or a right side of the
mechanical connecting portion; the high-voltage connecting portion including a 700V
connecting port or a 1,500V connecting port; or the high-voltage connecting portion
including a 700V connecting port and a 1,500V connecting port.
[0011] Further, the high-voltage connecting portion includes the 700V connecting port and
the 1,500V connecting port, and the high-voltage connecting portion further includes
a separation board for separating the 700V connecting port and the 1,500V connecting
port.
[0012] Further, the vehicle end electric connecting device includes a housing. The housing
is provided with a ground connecting portion for connecting a ground wire. The vehicle
end electric connecting device further includes an electric conduction portion arranged
on the housing. The electric conduction portion is configured to electrically connect
the housing to a housing of the another vehicle end electric connecting device.
[0013] According to another aspect of the present invention, a vehicle end connecting apparatus
for a rail vehicle is provided, which includes a car coupler and a vehicle end electric
connecting device. The vehicle end electric connecting device is the above vehicle
end electric connecting device. The vehicle end electric connecting device is connected
to the car coupler.
[0014] Further, the vehicle end connecting apparatus further includes a telescopic drive
portion. A base of the telescopic drive portion is provided on the car coupler. The
vehicle end electric connecting device is provided on a telescopic arm of the telescopic
drive portion.
[0015] The vehicle end electric connecting device of the present invention is directly connected
to a connecting port of an electric connecting portion of another vehicle end electric
connecting device through a connecting port of an electric connecting portion to make
two vehicle bodies electrically connected, so that a separate bridging line may be
eliminated. That is, by using the vehicle end electric connecting device of the present
invention, an electrical connection between vehicle bodies is changed from a conventional
indirect bridging-line connection to direct connection of connecting ports, thereby
simplifying the operation steps of workers, shortening time for the electrical connection
in grouping and ungrouping processes, and implementing automatic control.
Brief Description of the Drawings
[0016] The accompanying drawings, which constitute a part of this application, are used
to provide a further understanding of the present invention, and the exemplary embodiments
of the present invention and the description thereof are used to explain the present
invention, but do not constitute improper limitations to the present invention. In
the drawings:
Fig. 1 illustrates a structure diagram of a mechanical connecting portion and an electric
connecting portion of a vehicle end electric connecting device according to an embodiment
of the present invention; and
Fig. 2 illustrates an external structure diagram of a vehicle end electric connecting
device according to an embodiment of the present invention.
[0017] The drawings include the following reference signs:
10: Mechanical connecting portion; 20: low-voltage connecting portion; 21: first 110V
connecting port; 22: 24V connecting port; 23: Ethernet connecting port; 30: medium-voltage
connecting portion; 31: second 110V connecting port; 32: 380V connecting port; 40:
high-voltage connecting portion; 41: 700V connecting port; 42: 1,500V connecting port;
50: housing; 51: ground connecting portion; 60: electric conduction portion.
Detailed Description of the Embodiments
[0018] It is to be noted that in the case of no conflict, the features in the embodiments
and the embodiments in the present application may be combined with each other. The
present invention is described below with reference to the drawings and in conjunction
with the embodiments in detail.
[0019] It is to be noted that the following detailed description is illustrative and is
intended to provide a further description of the present application. All technical
and scientific terms used herein have the same meaning as commonly understood by those
of ordinary skill in the art to which the present application belongs, unless otherwise
indicated.
[0020] For ease of description, spatial relative terms such as "over", "above", "on an upper
surface" and "upper" may be used herein for describing a spatial position relation
between a device or feature and other devices or features shown in the drawings. It
will be appreciated that the spatial relative terms aim to contain different orientations
in usage or operation besides the orientations of the devices described in the drawings.
For example, if the devices in the drawings are inverted, devices described as "above
other devices or structures" or "over other devices or structures" will be located
as "below other devices or structures" or "under other devices or structures". Thus,
an exemplar term "above" may include two orientations namely "above" and "below".
The device may be located in other different modes (rotated by 90 degrees or located
in other orientations), and spatial relative descriptions used herein are correspondingly
explained.
[0021] According to an aspect of the present invention, a vehicle end electric connecting
device for a rail train is provided. As shown in Fig. 1 and Fig. 2, the vehicle end
electric connecting device includes: a mechanical connecting portion 10, moving in
a first direction so as to be connected to a mechanical connecting portion 10 of another
vehicle end electric connecting device; and a plurality of electric connecting portions,
spaced apart from each other around the mechanical connecting portion 10, each electric
connecting portion of the plurality of electric connecting portions including a plurality
of connecting ports facing the first direction, the connecting ports being used for
connecting to the connecting ports of the another vehicle end electric connecting
device, and the connecting ports being interfaces or joints, or the connecting ports
being interfaces and joints.
[0022] The vehicle end electric connecting device of the present invention is directly connected
to a connecting port of an electric connecting portion of another vehicle end electric
connecting device through a connecting port of an electric connecting portion to make
two vehicle bodies electrically connected, so that a separate bridging line may be
eliminated. That is, by using the vehicle end electric connecting device of the present
invention, an electrical connection between vehicle bodies is changed from a conventional
indirect bridging-line connection to direct connection of connecting ports, thereby
simplifying the operation steps of workers, shortening time for the electrical connection
in grouping and ungrouping processes, and implementing automatic control.
[0023] In addition, the vehicle end electric connecting device of the present invention
further includes a mechanical connecting portion 10. The mechanical connecting portion
10 has a certain connection strength, thereby preventing the connection ports from
being detached due to an external force, and improving the connection reliability
of the electric connecting portion.
[0024] It is to be noted that the connecting ports in the same electric connecting portion
may be fully interfaces or fully joints, or may be partially interfaces or partially
joints. The connection ports of two electric connecting portions connected to each
other are the cooperation of an interface and a joint.
[0025] Preferably, the plurality of electric connecting portions include: at least two of
a low-voltage connecting portion 20, a medium-voltage connecting portion 30, and a
high-voltage connecting portion 40.
[0026] It is to be noted that the low-voltage connecting portion 20, the medium-voltage
connecting portion 30 and the high-voltage connecting portion 40 are merely representative,
and do not limit a voltage difference between the respective connecting portions.
[0027] As can be seen from Fig. 1, no more than one electric connecting portion is provided
on each side of the mechanical connecting portion 10, so that the respective electric
connecting portions are as far apart as possible to avoid mutual interference.
[0028] Preferably, the plurality of electric connecting portions include a low-voltage connecting
portion 20, arranged below the mechanical connecting portion 10. The low-voltage connecting
portion 20 includes at least one of a first 110V connecting port 21, a 24V connecting
port 22 and an Ethernet connecting port 23.
[0029] Specifically, as shown in Fig. 1, in the present embodiment, a low-voltage connecting
portion 20 is arranged below the mechanical connecting portion 10. The low-voltage
connecting portion 20 is longest with respect to other electric connecting portions.
The low-voltage connecting portion 20 includes: eight Ethernet connecting ports 23,
which are arranged in two rows each including four ports; 160 first 110V connecting
ports 21, that is, 110V, 1.5sq round interfaces; and two 24V connecting ports 22,
specifically 24V, 16sq round interfaces, arranged on the upper and lower sides. The
eight Ethernet connecting ports 23 are located in the middle of the low-voltage connecting
portion 20. The 160 first 110V connecting ports 21 are arranged on both sides of the
eight Ethernet connecting ports 23. The two 24V connecting ports 22 are located on
the rightmost side of the figure illustrating the low-voltage connecting portion 20.
[0030] Preferably, the plurality of electric connecting portions include a medium-voltage
connecting portion 30, arranged on the left side of the mechanical connecting portion
10 or the right side of the mechanical connecting portion 10. The medium-voltage connecting
portion 30 includes a second 110V connecting port 31 and/or a 380V connecting port
32.
[0031] Specifically, as shown in Fig. 1, in the present embodiment, the medium-voltage connecting
portion 30 is arranged on the right side of the figure illustrating the mechanical
connecting portion 10. The medium-voltage connecting portion 30 includes: three second
110V connecting ports 31, specifically 110V, 70sq round interfaces; and four 380V
connecting ports 32, specifically one 380V, 35sq round interface located above and
three 380V, 50sq round interfaces located below. The seven interfaces are arranged
in a single row, the second 110V connecting ports 31 are arranged on the upper side
of the medium-voltage connecting portion 30, and the 380V connecting ports 32 are
located on the lower side of the medium-voltage connecting portion 30.
[0032] Preferably, the medium-voltage connecting portion 30 includes the second 110V connecting
port 31 and the 380V connecting port 32, and the medium-voltage connecting portion
30 further includes a separation board for separating the second 110V connecting port
31 and the 380V connecting port 32. The separation board has two functions of physical
isolation and insulated isolation.
[0033] Preferably, the plurality of electric connecting portions include a high-voltage
connecting portion 40, arranged on the left side of the mechanical connecting portion
10 or the right side of the mechanical connecting portion 10. The high-voltage connecting
portion 40 includes a 700V connecting port 41 or a 1,500V connecting port 42; or the
high-voltage connecting portion 40 includes a 700V connecting port 41 and a 1,500V
connecting port 42.
[0034] Specifically, as shown in Fig. 1, in the present embodiment, the high-voltage connecting
portion 40 is arranged on the left side of the figure illustrating the mechanical
connecting portion 10. The high-voltage connecting portion 40 includes: two 700V connecting
ports 41, specifically 700V, 70sq round interfaces; and three 1,500V connecting ports
42, specifically one 1,500V, 95sq round interface located above and two 1,500V, 120sq
round interfaces located below. The five interfaces are arranged in a single row,
the 700V connecting ports 41 are arranged on the upper side of the high-voltage connecting
portion 40, and the 1,500V connecting ports 42 are located on the lower side of the
high-voltage connecting portion 40.
[0035] Preferably, the high-voltage connecting portion 40 includes the 700V connecting port
41 and the 1,500V connecting port 42, and the high-voltage connecting portion 40 further
includes a separation board for separating the 700V connecting port 41 and the 1,500V
connecting port 42. The separation board has two functions of physical isolation and
insulated isolation.
[0036] Preferably, as shown in Fig. 2, the vehicle end electric connecting device includes
a housing 50. The housing 50 is provided with a ground connecting portion 51 for connecting
a ground wire. The vehicle end electric connecting device further includes an electric
conduction portion 60 arranged on the housing 50. The electric conduction portion
60 is configured to electrically connect the housing 50 to the housing 50 of the another
vehicle end electric connecting device.
[0037] The ground connecting portion 51 on the housing 50 is connected to the vehicle body
through the ground wire, the grounding of the housing 50 is achieved to protect the
vehicle end electric connecting device, and electromagnetic interference can also
be prevented. The electric conduction portion 60 is a metal guide plunger, and the
housings 50 of two interconnected vehicle end electric connecting devices are electrically
connected by the electric conduction portion 60 such that the potentials therebetween
are the same.
[0038] According to another aspect of the present invention, a vehicle end connecting apparatus
for a rail vehicle is also provided, which includes a car coupler and a vehicle end
electric connecting device. The vehicle end electric connecting device is the above
vehicle end electric connecting device. The vehicle end electric connecting device
is connected to the car coupler.
[0039] Specifically, in an embodiment, the vehicle end electric connecting device is arranged
at the lower part of the car coupler and is followed by the car coupler. When two
vehicles are grouped, the vehicle end electric connecting devices are connected with
the connection of the car couplers, thereby realizing automatic grouping and ungrouping.
[0040] Preferably, the vehicle end connecting apparatus further includes a telescopic drive
portion. A base of the telescopic drive portion is provided on the car coupler. The
electric connecting device is provided on a telescopic arm of the telescopic drive
portion. The telescopic drive portion may be a cylinder piston.
[0041] When two vehicles are not connected, the vehicle end electric connecting devices
and the car couplers are in a fixed state. After mechanical car couplers are connected,
the vehicle end electric connecting devices are pushed out through a push rod mechanism
of the cylinder piston to realize an electrical connection between the two trains.
[0042] In order to realize the simultaneous operation of the telescopic drive portions of
the two vehicles when an operation switch issues a command, command information is
transmitted by a low-voltage control line, so the low-voltage control line is mounted
on the car coupler. When the car couplers are connected, the low-voltage control line
is turned on. It is not affected by the connection status of the vehicle end electric
connecting device. The working flow of the vehicles during connecting and ungrouping
is as follows.
[0043] Grouping process: car coupler docking, low-voltage control line connection, driver's
cab command issuing, closing of an electric circuit and a gas circuit in telescopic
drive portions of two vehicles, pushing of a vehicle end electric connecting device
by a push rod, connection of mechanical connecting portions, and connection of electric
connecting portions.
[0044] Ungrouping process: driver's cab command issuing, pushing of a vehicle end electric
connecting device by a push rod, separation of mechanical connecting portions, separation
of electric connecting portions, opening of an electric circuit and a gas circuit
in telescopic drive portions of two vehicles, car coupler separation, and low-voltage
control line separation.
[0045] It is to be noted that terms used herein only aim to describe specific implementation
manners, and are not intended to limit exemplar implementations of this application.
Unless otherwise directed by the context, singular forms of terms used herein are
intended to include plural forms. Besides, it will be also appreciated that when terms
"contain" and/or "include" are used in the description, it is indicated that features,
steps, operations, devices, assemblies and/or a combination thereof exist.
[0046] It is to be noted that the specification and claims of the disclosure and the terms
"first", "second" and the like in the drawings are used to distinguish similar objects,
and do not need to describe a specific sequence or a precedence order. It will be
appreciated that data used in such a way may be exchanged under appropriate conditions,
in order that the embodiments of the present invention described here can be implemented,
for example, in a sequence other than sequences graphically shown or described here.
In addition, terms "include" and "have" and any variations thereof are intended to
cover non-exclusive inclusions. For example, it is not limited for processes, methods,
systems, products or devices containing a series of steps or units to clearly list
those steps or units, and other steps or units which are not clearly listed or are
inherent to these processes, methods, products or devices may be included instead.
[0047] The above is only the preferred embodiments of the present invention, not intended
to limit the present invention. As will occur to those skilled in the art, the present
invention is susceptible to various modifications and changes. Any modifications,
equivalent replacements, improvements and the like made within the spirit and principle
of the present invention shall fall within the scope of protection of the present
invention.
1. A vehicle end electric connecting device for a rail train, comprising:
a mechanical connecting portion (10), moving in a first direction so as to be connected
to a mechanical connecting portion (10) of another vehicle end electric connecting
device; and
a plurality of electric connecting portions, spaced apart from each other around the
mechanical connecting portion (10), each electric connecting portion of the plurality
of electric connecting portions comprising a plurality of connecting ports facing
the first direction, the connecting ports being configured for connecting to connecting
ports of the another vehicle end electric connecting device, and the connecting ports
being interfaces or joints, or the connecting ports being interfaces and joints.
2. The vehicle end electric connecting device as claimed in claim 1, wherein the plurality
of electric connecting portions comprise: at least two of a low-voltage connecting
portion (20), a medium-voltage connecting portion (30), and a high-voltage connecting
portion (40).
3. The vehicle end electric connecting device as claimed in claim 1, wherein the plurality
of electric connecting portions comprise a low-voltage connecting portion (20), arranged
below the mechanical connecting portion (10), the low-voltage connecting portion (20)
comprising at least one of a first 110V connecting port (21), a 24V connecting port
(22) and an Ethernet connecting port (23).
4. The vehicle end electric connecting device as claimed in claim 1, wherein the plurality
of electric connecting portions comprise a medium-voltage connecting portion (30),
arranged on a left side of the mechanical connecting portion (10) or a right side
of the mechanical connecting portion (10);
the medium-voltage connecting portion (30) comprising a second 110V connecting port
(31) or a 380V connecting port (32); or the medium-voltage connecting portion (30)
comprising a second 110V connecting port (31) and a 380V connecting port (32).
5. The vehicle end electric connecting device as claimed in claim 4, wherein the medium-voltage
connecting portion (30) comprises the second 110V connecting port (31) and the 380V
connecting port (32), and the medium-voltage connecting portion (30) further comprises
a separation board for separating the second 110V connecting port (31) and the 380V
connecting port (32).
6. The vehicle end electric connecting device as claimed in claim 1, wherein the plurality
of electric connecting portions comprise a high-voltage connecting portion (40), arranged
on a left side of the mechanical connecting portion (10) or a right side of the mechanical
connecting portion (10);
the high-voltage connecting portion (40) comprising a 700V connecting port (41) or
a 1,500V connecting port (42); or the high-voltage connecting portion (40) comprising
a 700V connecting port (41) and a 1,500V connecting port (42).
7. The vehicle end electric connecting device as claimed in claim 6, wherein the high-voltage
connecting portion (40) comprises the 700V connecting port (41) and the 1,500V connecting
port (42), and the high-voltage connecting portion (40) further comprises a separation
board for separating the 700V connecting port (41) and the 1,500V connecting port
(42).
8. The vehicle end electric connecting device as claimed in claim 1, comprising a housing
(50), wherein the housing (50) is provided with a ground connecting portion (51) for
connecting a ground wire, the vehicle end electric connecting device further comprises
an electric conduction portion (60) arranged on the housing (50), and the electric
conduction portion (60) is configured to electrically connect the housing (50) to
a housing (50) of the another vehicle end electric connecting device.
9. A vehicle end connecting apparatus for a rail vehicle, comprising a car coupler and
a vehicle end electric connecting device, wherein the vehicle end electric connecting
device is a vehicle end electric connecting device as claimed in any one of claims
1 to 8, and the vehicle end electric connecting device is connected to the car coupler.
10. The vehicle end connecting apparatus as claimed in claim 9, further comprising a telescopic
drive portion, wherein a base of the telescopic drive portion is provided on the car
coupler, and the vehicle end electric connecting device is provided on a telescopic
arm of the telescopic drive portion.