CN209641981U - A kind of EMU ground power supply breaking piece - Google Patents
A kind of EMU ground power supply breaking piece Download PDFInfo
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- CN209641981U CN209641981U CN201920573175.XU CN201920573175U CN209641981U CN 209641981 U CN209641981 U CN 209641981U CN 201920573175 U CN201920573175 U CN 201920573175U CN 209641981 U CN209641981 U CN 209641981U
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- power supply
- ground
- ground power
- lock pin
- connector
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Abstract
The utility model relates to a kind of EMU ground power supply breaking piece, technical characterstic is: including ground power supply connector and power socket box, the ground connector and power socket box link together；The ground power supply connector includes the power supply lock pin and microswitch of shell and its inside；The power socket box includes the controller and breaker of shell and its inside；The controller is connected with microswitch, the signal that the contact for detecting microswitch is switched on or switched off；The controller is also connected with breaker, is switched on or switched off movement for controlling breaker completion according to the contact signal of microswitch；The breaker is connected with power supply lock pin, for providing surface power supply by the power supply lock pin for motor train unit train.The utility model can be when ground power supply connector not be connect with motor train unit train reliably, it is ensured that and it is not charged on ground power supply connector, it avoids human contact or operates the ground power supply connector charged and electric shock injury occurs.
Description
Technical field
The utility model belongs to bullet train group train ground power supply power supply protection technical field, is related to ground power supply system
Electric connector and its protection circuit between motor train unit train, especially a kind of EMU ground power supply breaking piece.
Background technique
Currently, EMU ground power supply connector is mainly used for providing ground electricity to the motor train unit train in inspecting state
Source supply, is one of the component part of EMU ground power supply system.Ground power supply connector and tail cable are usually stored in
In ground supply socket case, ground supply socket case is typically mounted at the outer side-lower of track bridge.It is needing to supply to motor train unit train
When electric, even ground power supply connector and cable are taken out from ground supply socket case, is inserted on the socket of motor train unit train, connects
Power circuit breaker on logical ground supply socket case provides AC power source to motor train unit train.
But since motor train unit train electric power is big, ground power supply connector upstream super-high-current, grafting it is not in place or
When contact causes contact resistance to increase due to being stained oxidation etc., it is excessively high to easily lead to ground power supply connector temperature, operation
Directly contact easily causes personal injury to personnel without knowing it, and easily cause ground power supply equipment and motor train unit train by
Damage or occur accident.
For the safety for ensureing operator, usually requires that and be necessary to switch off confession in mobile or operation ground power connector
How electricity, but in addition to management system measure for operator provides a kind of EMU ground power supply secure connection of safeguard protection
Device is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, propose that a kind of design is reasonable, safe and reliable, simple
Practical EMU ground power supply breaking piece.
The utility model solves its realistic problem and adopts the following technical solutions to achieve:
A kind of EMU ground power supply breaking piece, including ground power supply connector and power socket box, the ground connect
It connects device and power socket box links together；The ground power supply connector includes power supply lock pin and the fine motion of shell and its inside
Switch；The power socket box includes the controller and breaker of shell and its inside；The controller is connected with microswitch
It connects, the signal that the contact for detecting microswitch is switched on or switched off；The controller is also connected with breaker, for according to micro-
The contact signal control breaker completion of dynamic switch is switched on or switched off movement；The breaker is connected with power supply lock pin, for leading to
It crosses the power supply lock pin and provides surface power supply for motor train unit train.
Moreover, the ground power supply connector is connect by flexible multicore cable with ground supply socket case.
Moreover, the power supply lock pin includes tetra- lock pins of A/B/C/N, each lock pin is detachable lock pin, and passes through pressure
The mode for connecing or welding is connected with flexible multicore cable.
Moreover, the controller is also connected with thermal resistance, the temperature for real-time monitoring ground power supply connector.
Moreover, the thermal resistance includes four thermal resistance probes, contacted respectively with the lock pin A/B/C, it is slotting for detecting
Core temperature.
Moreover, being equipped with indicator light on the shell of the ground power supply connector, which is connected with controller,
It is used to indicate ground power supply connector electrification situation.
The advantages of the utility model and the utility model has the advantages that
1, the utility model can be when ground power supply connector not be connect with motor train unit train reliably, it is ensured that ground electricity
It is not charged on source connector, it avoids human contact or operates the ground power supply connector charged and electric shock injury occurs.
2, the utility model in ground power supply connector can connect motor train unit train and in the case where normal power supply,
Ground power connector such as occurs surprisingly to fall off, power supply can be cut off immediately.
3, the utility model has been internally integrated thermal resistance and controller in ground power supply connector, can real-time measurement connector
Temperature conditions, when the temperature is excessively high, controller can cut off the power supply to motor train unit train, avoid due to ground power supply connect
Device temperature is excessively high to cause personal injury or equipment to damage, and eliminate due to ground power supply connector temperature it is excessively high caused by catch fire
Hidden danger.
4, the utility model is being provided with indicator light on ground power supply connector, can warn operator's Current terrestrial
The electriferous state of power connector.
Detailed description of the invention
Fig. 1 is the working principle diagram of the utility model；
Fig. 2 is the connecting end surface schematic diagram of the ground power supply connector of the utility model；
Description of symbols:
1- ground power supply connector；2- power supply lock pin；3- microswitch；4- thermal resistance；5- indicator light；6- controller；7-
Breaker；8- flexible multicore cable；9- lock pin；10- thermal resistance probe；11- location hole.
Specific embodiment
The utility model embodiment is described in further detail below in conjunction with attached drawing:
A kind of EMU ground power supply breaking piece, as depicted in figs. 1 and 2, including ground power supply connector (1) and electricity
Supply socket case, the ground connector and power socket box link together；The ground power supply connector includes shell and its interior
The power supply lock pin (2) and microswitch (3) described power socket box in portion include the controller (6) and breaker of shell and its inside
(7)；
The controller is connected with microswitch (3), the signal that the contact for detecting microswitch is switched on or switched off；
The controller is also connected with breaker, dynamic for being switched on or switched off according to the control breaker completion of the contact signal of microswitch
Make；The breaker is connected with power supply lock pin (2), for providing surface power supply by the power supply lock pin (2) for motor train unit train；
In the present embodiment, the ground power supply connector (1) passes through flexible multicore cable (8) and ground supply socket case
Connection.
In the present embodiment, the power supply lock pin (2) includes tetra- lock pins (9) of A/B/C/N, and each lock pin is detachable
Lock pin, and be connected by way of crimping or welding with flexible multicore cable (8)；
In the present embodiment, the controller is also connected with thermal resistance (4), is used for real-time monitoring ground power supply connector
Temperature.
In the present embodiment, the thermal resistance (4) includes that four thermal resistances are popped one's head in (10), respectively with the lock pin A/B/C
Contact, for detecting lock pin temperature；
In the present embodiment, indicator light (5), the indicator light and control are installed on the shell of the ground power supply connector
Device processed is connected, and is used to indicate ground power supply connector electrification situation；
In the present embodiment, the microswitch (3) is installed in the location hole (11) in ground power supply connector (1),
When ground, power connector is docked with socket box, triggering microswitch (3) closure；When ground power connector and socket box point
From when, microswitch (3) disconnect；
The working principle of the utility model is as follows:
Power supply lock pin (2) includes A/B/C/N lock pin, which is detachable lock pin, can be logical with flexible multicore cable (8)
The mode for crossing crimping or welding connects, and provides surface power supply to motor train unit train by the lock pin.The lock pin is installed on ground
Power connector (1) is internal.When breaker (7) are closed, lock pin electrification, breaker (7) when disconnecting above-mentioned lock pin without
Electricity.
As depicted in figs. 1 and 2, microswitch (3) is mounted in the location hole (11) of ground power supply connector.In ground electricity
After source connector (1) is connect in place with the socket in EMU, the contact of microswitch (3) is switched on, and controller (6) detects
After the connection signal, it is judged as that ground power supply connector (1) has been reliably connected with EMU, breaker (7) has connection item
Part.Ground electric energy source connector (1) does not connect or connects with the socket in EMU not in place or surprisingly loosens or fall off, micro-
The contact of dynamic switch (3) disconnects, when controller (6) detects the cut-off signal, by breaker (7) unsteady state operation to off-state
And it keeps.
Indicator light (5) is installed on ground power supply connector (1) outer surface, when breaker (7) are connected, controller (6) point
The bright indicator light；When breaker (7) disconnect, controller (6) extinguishes the indicator light.
In conclusion the utility model provides a kind of EMU ground power supply breaking piece, connector may be implemented
Overheating protection function, prevent electric push-pull connector function.
Power supply is unlocked again by the way that whether detection ground power supply connector has been fully inserted into after motor train unit train socket, is avoided
Connector belt is electrically interposed in motor train unit train socket, it is ensured that ground power supply connector can not power transmission before being reliably connected；Pass through inspection
Whether geodetic face power connector is detached from motor train unit train socket, and the cutting power supply immediately if occurring to be detached from avoids ground electric
Source connector electrification is pulled up, it is made to cut off power supply immediately when ground power supply connector is unplugged；By being connected to ground power supply
The real-time detection of device lock pin temperature cuts off power supply if temperature is excessively high, avoid due to temperature it is excessively high caused by damage or serious thing
Therefore and then practical safeguard protection is provided operator.
It is emphasized that embodiment described in the utility model be it is illustrative, without being restrictive, therefore this is practical
Novel includes being not limited to embodiment described in specific embodiment, all according to the present utility model by those skilled in the art
The other embodiments that technical solution obtains also belong to the range of the utility model protection.
Claims (6)
1. a kind of EMU ground power supply breaking piece, it is characterised in that: including ground power supply connector and power socket box,
The ground connector and power socket box link together；The ground power supply connector include shell and its inside for electric mortiser
Core and microswitch；The power socket box includes the controller and breaker of shell and its inside；The controller and fine motion
Switch is connected, the signal that the contact for detecting microswitch is switched on or switched off；The controller is also connected with breaker, uses
It is switched on or switched off movement in controlling breaker completion according to the contact signal of microswitch；The breaker is connected with power supply lock pin
It connects, for providing surface power supply by the power supply lock pin for motor train unit train.
2. a kind of EMU ground power supply breaking piece according to claim 1, it is characterised in that: the ground power supply
Connector is connect by flexible multicore cable with ground supply socket case.
3. a kind of EMU ground power supply breaking piece according to claim 2, it is characterised in that: the power supply lock pin
Including tetra- lock pins of A/B/C/N, each lock pin is detachable lock pin, and electric with flexible multicore by way of crimping or welding
Cable is connected.
4. a kind of EMU ground power supply breaking piece according to claim 1, it is characterised in that: the controller is also
It is connected with thermal resistance, the temperature for real-time monitoring ground power supply connector.
5. a kind of EMU ground power supply breaking piece according to claim 4, it is characterised in that: the thermal resistance packet
Four thermal resistance probes are included, are contacted respectively with the lock pin A/B/C, for detecting lock pin temperature.
6. a kind of EMU ground power supply breaking piece according to claim 1, it is characterised in that: in the ground electricity
Indicator light is installed on the shell of source connector, which is connected with controller, is used to indicate ground power supply connector belt
Electric situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573175.XU CN209641981U (en) | 2019-04-25 | 2019-04-25 | A kind of EMU ground power supply breaking piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573175.XU CN209641981U (en) | 2019-04-25 | 2019-04-25 | A kind of EMU ground power supply breaking piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641981U true CN209641981U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920573175.XU Active CN209641981U (en) | 2019-04-25 | 2019-04-25 | A kind of EMU ground power supply breaking piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722000A (en) * | 2020-06-04 | 2020-09-29 | 广西金步电力科技有限公司 | High-current connector detection system and connection detection method |
-
2019
- 2019-04-25 CN CN201920573175.XU patent/CN209641981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722000A (en) * | 2020-06-04 | 2020-09-29 | 广西金步电力科技有限公司 | High-current connector detection system and connection detection method |
| CN111722000B (en) * | 2020-06-04 | 2023-11-17 | 广西金步电力科技有限公司 | High-current connector detection system and connection detection method |
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