CN220742727U - Train pantograph control device and train - Google Patents
Train pantograph control device and train Download PDFInfo
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- CN220742727U CN220742727U CN202322442531.3U CN202322442531U CN220742727U CN 220742727 U CN220742727 U CN 220742727U CN 202322442531 U CN202322442531 U CN 202322442531U CN 220742727 U CN220742727 U CN 220742727U
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- 238000004146 energy storage Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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Abstract
The utility model relates to the field of vehicle power supply, and discloses a pantograph control device of a train and the train, which comprises the following components: the device comprises an energy storage cylinder, a main air supply device, a standby air supply device and a three-way valve; the output end of the main air supply device and the output end of the standby air supply device are connected with the input end of the three-way valve; the first output end of the three-way valve is connected with the input end of the energy storage cylinder, and the output end of the energy storage cylinder is connected with the lifting bow loop; the second output end of the three-way valve is connected with the lifting bow loop. Therefore, the technical scheme provided by the application provides compressed air for the pantograph lifting loop through the main air supply device and the standby air supply device, so that the pantograph cannot be lifted due to the failure of the air supply device is prevented. Meanwhile, the standby air supply device is directly connected with the lifting loop without inflating an energy storage cylinder, so that the requirement on the power of the standby air supply device is reduced, the system cost is further reduced, and the safety is improved.
Description
Technical Field
The utility model relates to the field of vehicle power supply, in particular to a pantograph control device of a train and the train.
Background
In the running process of electrified railway vehicles such as electric locomotives, electric buses and the like, a pantograph needs to be lifted to be electrically connected with a power supply network. However, when the environmental influence or the train system fault is received, the condition that the pantograph cannot lift or cannot lift in place possibly occurs, and the normal work of the train is affected.
Fig. 1 is a structural diagram of a pantograph lifting system, as shown in fig. 1, the lifting system comprises a wind supply device 5, an energy storage cylinder 1 and a lifting loop 6, wherein the wind supply device 5 is used for charging the energy storage cylinder 1, and when the pressure of the energy storage cylinder 1 meets the requirement, the gas in the energy storage cylinder 1 is charged into the lifting loop to complete the pantograph lifting work.
When the air supply device 5 fails, in order to ensure the normal operation of the train, the pantograph needs to be lifted by the standby pantograph lifting system, and the current standby pantograph lifting system needs to be provided with a special storage battery and an electric pump to charge the energy storage cylinder 1, so that the required output power of the storage battery and the electric pump is overlarge, the system cost and the maintenance cost are high, and potential safety hazards exist.
It can be seen that how to provide a safer and low-cost vehicle pantograph lifting control system to ensure that the pantograph is lifted normally when the vehicle pantograph lifting system fails is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to solve the problems that the output power of a storage battery and an electric pump required by a standby pantograph lifting system is overlarge, so that the system cost and the maintenance cost are high and potential safety hazards exist.
In order to solve the above technical problem, the present application provides a train pantograph control device including:
the device comprises an energy storage cylinder, a main air supply device, a standby air supply device and a three-way valve;
the output end of the main air supply device and the output end of the standby air supply device are connected with the input end of the three-way valve;
the first output end of the three-way valve is connected with the input end of the energy storage cylinder, and the output end of the energy storage cylinder is connected with the lifting arch loop;
and a second output end of the three-way valve is connected with the lifting arch loop.
Preferably, the standby air supply device is a mechanical foot pump.
Preferably, the system further comprises a controller;
the controller is connected with the pantograph lifting loop to acquire the pantograph lifting state of the pantograph;
the controller is connected with the main air supply device and the standby air supply device so as to control the starting and stopping of the main air supply device and the standby air supply device according to the arch lifting state.
Preferably, the device also comprises an arch lifting electromagnetic valve; correspondingly, the three-way valve is an electromagnetic three-way valve;
the power supply circuit of the coil of the lifting bow electromagnetic valve is connected with the controller so as to control the lifting bow electromagnetic valve to be electrified when the lifting bow state meets the preset condition;
the first end of the normally open contact of the arch lifting electromagnetic valve is connected with a power supply, and the second end of the normally open contact of the arch lifting electromagnetic valve is connected with the three-way valve.
Preferably, the valve further comprises a first one-way conduction valve and a second one-way conduction valve;
the input end of the first one-way conduction valve is connected with the output end of the energy storage cylinder, and the output end of the first one-way conduction valve is connected with the lifting arch loop;
the input end of the second one-way conduction valve is connected with the second output end of the three-way valve, and the output end of the second one-way conduction valve is connected with the lifting arch loop.
Preferably, the display unit is further included;
the display unit is connected with the controller to acquire and display the lifting bow state.
Preferably, the device further comprises an alarm unit;
the alarm unit is connected with the controller to give an alarm when the controller obtains an alarm signal sent by the controller when the arch lifting state meets the preset alarm condition.
Preferably, the three-way valve further comprises a mechanical shifting fork;
the mechanical shifting fork is used for switching the conduction state of the three-way valve.
Preferably, the standby air supply device is further provided with an electric pump reserved interface.
In order to solve the technical problem, the application also provides a train, comprising the train pantograph control device.
The application provides a train pantograph controlling means, include: the device comprises an energy storage cylinder, a main air supply device, a standby air supply device and a three-way valve; the output end of the main air supply device and the output end of the standby air supply device are connected with the input end of the three-way valve; the first output end of the three-way valve is connected with the input end of the energy storage cylinder, and the output end of the energy storage cylinder is connected with the lifting bow loop; the second output end of the three-way valve is connected with the lifting bow loop. Therefore, the technical scheme provided by the application provides compressed air for the pantograph lifting loop through the main air supply device and the standby air supply device, so that the pantograph cannot be lifted due to the failure of the air supply device is prevented. Meanwhile, the standby air supply device is directly connected with the lifting loop without inflating an energy storage cylinder, so that the requirement on the power of the standby air supply device is reduced, the system cost is further reduced, and the safety is improved.
In addition, the application also provides a train, including above-mentioned train pantograph controlling means, the effect is the same.
Drawings
For a clearer description of embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a block diagram of a pantograph lifting system;
fig. 2 is a block diagram of a pantograph control device of a train according to an embodiment of the present application;
fig. 3 is a structural diagram of an electromagnetic three-way valve according to an embodiment of the present application;
the reference numerals are as follows: the energy storage device comprises an energy storage cylinder 1, a main air supply device 2, a standby air supply device 3, a three-way valve 4, an air supply device 5, an arch lifting loop 6, a controller 7, a first one-way valve 8 and a second one-way valve 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
The utility model provides a pantograph control device of a train and the train, which are used for reducing the cost of the pantograph control system of the vehicle and improving the safety of the system on the basis of ensuring the normal lifting of the pantograph when the pantograph lifting system of the vehicle fails.
When the urban rail vehicle is actually operated, the situation that the vehicle cannot lift the bow or cannot lift the bow in place can occur due to the environment or system fault, and the vehicle emergency bow lifting is needed at the moment, and the existing scheme of the emergency bow lifting at present has two kinds. The first is to adopt pedal pump to rise the bow scheme, and this kind of mode needs the executor to step on more than hundred, and is consuming time long, generally needs ten minutes more, because rise bow control pipeline has the arch pneumatic cylinder, need fill the pneumatic cylinder before can aerify to rising bow return circuit pipeline when the air pressure is low, and this kind of mode is consuming time hard. The second is to use the electric pump to raise the bow, but this way avoids the first time consuming and laborious disadvantage, but this way needs to configure special storage battery and electric pump, the control system is complex, the maintenance cost is high, and the risk of the storage battery firing is high, there is a potential safety hazard of the vehicle. To solve this technical problem, the present application provides a train pantograph control device, including: the energy storage cylinder 1, the main air supply device 2, the standby air supply device 3 and the three-way valve 4; compressed air is provided to the pantograph lifting loop through the main air supply device 2 and the standby air supply device 3 so as to prevent the pantograph from being unable to lift due to the failure of the air supply devices. Meanwhile, the standby air supply device 3 is directly connected with the lifting loop, and the energy storage cylinder 1 is not required to be inflated, so that the requirement on the power of the standby air supply device 3 is reduced, the system cost is further reduced, and the safety is improved.
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
Fig. 2 is a block diagram of a pantograph control device for a train according to an embodiment of the present application, and as shown in fig. 2, the pantograph control device for a train includes: the energy storage cylinder 1, the main air supply device 2, the standby air supply device 3 and the three-way valve 4; the output end of the main air supply device 2 and the output end of the standby air supply device 3 are connected with the input end of the three-way valve 4; the first output end of the three-way valve 4 is connected with the input end of the energy storage cylinder 1, and the output end of the energy storage cylinder 1 is connected with the lifting arch loop; the second output end of the three-way valve 4 is connected with the lifting bow loop.
As shown in fig. 2, the pantograph control device for a train provided in this embodiment includes two air charging loops, which are respectively a normal pantograph lifting loop formed by the main air supply device 2 and the energy storage air cylinder 1, and an emergency air supply loop in which the standby air supply device 3 is located, and are respectively filled with compressed air. The normal arch lifting loop is provided with an energy accumulator (an energy storage cylinder 1) for keeping the system stable, so that the stability of air pressure in the normal process of the arch lifting loop is ensured; when emergency starting, the emergency lifting bow loop is isolated from the normal lifting bow loop by adopting the three-way valve, the air is directly inflated through the emergency lifting bow loop, the compressed air of the pedal pump is directly connected into a pipeline of the lifting bow loop, the starting time is shortened, the lifting bow purpose is quickly and stably achieved, and the emergency lifting bow loop is inflated by pure machinery, and the emergency lifting bow loop is simple, convenient, low in maintenance cost and reliable in performance.
The three-way valve 4 is connected with the main air supply device 2 and the standby air supply device 3 to control the main air supply device 2 and the standby air supply device 3 to charge compressed gas into the arch lifting loop respectively. In this embodiment, the three-way valve 4 may be a manually controlled valve or an electrically controlled valve, which is not limited herein.
Further, the control device for the pantograph of the train provided by the embodiment may further include a controller 7, where the controller 7 is connected with the pantograph lifting loop to obtain a pantograph lifting state of the pantograph; the controller 7 is connected with the main air supply device 2 and the standby air supply device 3 to control the starting and stopping of the main air supply device 2 and the standby air supply device 3 according to the lifting bow state. The controller 7 may be an additional chip or microprocessor, or may multiplex train control systems, such as: train control and management systems (Train Control and Management System, TCMS). In specific implementation, the vehicle control system in the normal arch lifting loop is controlled by the whole vehicle TCMS, so that the normal arch lifting loop works through the arch lifting electromagnetic valve according to the whole vehicle TCMS instruction, and the arch lifting of the vehicle is realized.
The emergency lifting loop is usually started when the lifting of the vehicle cannot be realized due to the failure of the normal lifting loop of the vehicle, the vehicle TCMS monitors the working state of the pantograph, and when the abnormal lifting of the pantograph is detected, the emergency lifting loop is started by controlling the standby air supply device 3 and the three-way valve 4 to act so as to charge compressed gas into the lifting loop through the standby air supply device 3.
It will be appreciated that the standby air supply 3 may be a mechanical foot pump or an electric pump additionally provided, which is not limited herein.
The embodiment provides a train pantograph controlling means, includes: the device comprises an energy storage cylinder, a main air supply device, a standby air supply device and a three-way valve; the output end of the main air supply device and the output end of the standby air supply device are connected with the input end of the three-way valve; the first output end of the three-way valve is connected with the input end of the energy storage cylinder, and the output end of the energy storage cylinder is connected with the lifting bow loop; the second output end of the three-way valve is connected with the lifting bow loop. Therefore, the technical scheme provided by the application provides compressed air for the pantograph lifting loop through the main air supply device and the standby air supply device, so that the pantograph cannot be lifted due to the failure of the air supply device is prevented. Meanwhile, the standby air supply device is directly connected with the lifting loop without inflating an energy storage cylinder, so that the requirement on the power of the standby air supply device is reduced, the system cost is further reduced, and the safety is improved.
On the basis of the above embodiment, the standby air supply 3 is a mechanical foot pump. When the main air supply device 2 fails, the mechanical pedal pump can be used for manual mechanical action, and compressed air can be quickly input into the pantograph lifting loop through the emergency pantograph lifting loop, so that the emergency pantograph lifting of the pantograph is realized.
In a specific implementation, the air supply loop for inflating the arch lifting loop can be manually switched, or the air supply loop can be automatically switched by the controller 7. The manual switching is more stable and has high reliability, but the switching operation is more complex and the switching efficiency is low.
On the basis of the above embodiment, the train pantograph control device provided by the present embodiment further includes a controller 7; as shown in fig. 2, the controller 7 is connected with the pantograph lifting loop to acquire the pantograph lifting state of the pantograph; the controller 7 is connected with the main air supply device 2 and the standby air supply device 3 to control the starting and stopping of the main air supply device 2 and the standby air supply device 3 according to the lifting bow state.
When the controller 7 detects that the pantograph does not reach the designated position or receives fault information of the main air supply device 2, and judges that the pantograph lifting state of the pantograph meets the preset condition, a control signal is generated to control the main air supply device 2 to lose power, and the standby air supply device 3 is powered on to charge an pantograph lifting loop through the standby air supply device 3. Further, the pantograph control device of the train provided by the embodiment further comprises a pantograph lifting electromagnetic valve; correspondingly, the three-way valve 4 is an electromagnetic three-way valve 4; the power supply circuit of the coil of the lifting bow electromagnetic valve is connected with the controller 7 to control the lifting bow electromagnetic valve to be electrified when the lifting bow state meets the preset condition; the first end of the normally open contact of the arch lifting electromagnetic valve is connected with a power supply, and the second end of the normally open contact of the arch lifting electromagnetic valve is connected with the three-way valve 4.
In the implementation, a fault signal is output to the lifting bow electromagnetic valve K1 through the controller 7, a pair of contacts m and f of the lifting bow electromagnetic valve K1 are normally closed contacts, when the fault high-level signal is input into the controller 7, the lifting bow electromagnetic valve K1 is electrically disconnected, the three-way electromagnetic valve is electrically disconnected, and the emergency lifting bow bypass is communicated. In this case, the normal raising bow loop is shut off by the three-way valve, and the emergency raising bow loop is turned on at this time. At the moment, the pantograph emergency lifting loop can be used for rapidly realizing the pantograph emergency lifting through the manual mechanical action of the mechanical pedal pump.
It will be appreciated that the three-way valve 4 may be a manually controlled valve or an electromagnetic valve. Fig. 3 is a structural diagram of an electromagnetic three-way valve provided in an embodiment of the present application, as shown in fig. 3, a closed cavity is formed in an electromagnetic valve, through holes are formed in different positions, each hole is connected with different gas pipelines, a piston is arranged in the middle of the cavity, two electromagnets are arranged on two sides, a magnet coil energizing valve body is attracted to a corresponding side, different air holes are opened or closed by controlling movement of the valve body, an air inlet is normally open, and gas enters different gas pipelines, so that mechanical movement is controlled by controlling current on-off of the electromagnets.
As a preferred embodiment, the pantograph control device of the train further comprises a first one-way conduction valve 8 and a second one-way conduction valve 9; the input end of the first one-way conduction valve 8 is connected with the output end of the energy storage cylinder 1, and the output end of the first one-way conduction valve 8 is connected with the lifting arch loop; the input end of the second one-way conduction valve 9 is connected with the second output end of the three-way valve 4, and the output end of the second one-way conduction valve 9 is connected with the pantograph lifting loop, so that compressed gas input into the pantograph lifting loop from the air supply device in a working state is prevented from entering the air supply device not in the working state, the series flow of working air pressure to the energy storage cylinder 1 is avoided, and the normal lifting of the pantograph is ensured.
The three-way electromagnetic valve is an electromagnetic valve with electric control and mechanical control, in specific implementation, the three-way valve 4 further comprises a mechanical shifting fork, the mechanical shifting fork is used for switching the conduction state of the three-way valve 4, and if the electromagnetic valve fails or the circuit is abnormal, the functional chamber cannot be realized, and the electromagnetic valve can be manually converted through the mechanical shifting fork so as to realize conversion of an emergency lifting bow bypass.
It can be understood that the emergency arch raising loop is provided with an external electric pump reserved interface, and the external electric pump can charge air for the arch raising loop through the emergency arch raising loop so as to quickly realize the arch raising of the vehicle.
In a specific implementation, the pantograph control device of the train further comprises a display unit and an alarm unit, wherein the display unit is connected with the controller 7 to acquire and display the pantograph lifting state. The alarm unit is connected to the controller 7 to issue an alarm when an alarm signal sent by the controller 7 when the arching state satisfies a preset alarm condition is acquired. The alarm unit may be a buzzer or an indicator lamp, and when the controller 7 detects that the pantograph lifting state of the pantograph meets a preset alarm condition, the alarm unit is controlled to send an alarm signal. The display unit can be an LED lamp or a display screen to display the bowing state through the color of the lighted signal lamp or the displayed characters, so that the manager can check in time.
In addition, the application also provides a train, comprising the train pantograph control device. The train pantograph control device includes: the device comprises an energy storage cylinder, a main air supply device, a standby air supply device and a three-way valve; the output end of the main air supply device and the output end of the standby air supply device are connected with the input end of the three-way valve; the first output end of the three-way valve is connected with the input end of the energy storage cylinder, and the output end of the energy storage cylinder is connected with the lifting bow loop; the second output end of the three-way valve is connected with the lifting bow loop. Therefore, the technical scheme provided by the application provides compressed air for the pantograph lifting loop through the main air supply device and the standby air supply device, so that the pantograph cannot be lifted due to the failure of the air supply device is prevented. Meanwhile, the standby air supply device is directly connected with the lifting loop without inflating an energy storage cylinder, so that the requirement on the power of the standby air supply device is reduced, the system cost is further reduced, and the safety is improved.
The train pantograph control device and the train provided by the utility model are described in detail above. In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (10)
1. A train pantograph control device, comprising:
the device comprises an energy storage cylinder (1), a main air supply device (2), a standby air supply device (3) and a three-way valve (4);
the output end of the main air supply device (2) and the output end of the standby air supply device (3) are connected with the input end of the three-way valve (4);
the first output end of the three-way valve (4) is connected with the input end of the energy storage cylinder (1), and the output end of the energy storage cylinder (1) is connected with the lifting arch loop;
and the second output end of the three-way valve (4) is connected with the lifting arch loop.
2. The train pantograph control device according to claim 1, wherein the backup air supply device (3) is a mechanical foot pump.
3. The train pantograph control device according to claim 1, further comprising a controller (7);
the controller (7) is connected with the pantograph lifting loop to acquire the pantograph lifting state of the pantograph;
the controller (7) is connected with the main air supply device (2) and the standby air supply device (3) so as to control the starting and stopping of the main air supply device (2) and the standby air supply device (3) according to the arch lifting state.
4. The train pantograph control device of claim 3, further comprising a pantograph lifting solenoid valve; correspondingly, the three-way valve (4) is an electromagnetic three-way valve (4);
the power supply circuit of the coil of the lifting bow electromagnetic valve is connected with the controller (7) so as to control the lifting bow electromagnetic valve to be electrified when the lifting bow state meets the preset condition;
the first end of the normally open contact of the arch lifting electromagnetic valve is connected with a power supply, and the second end of the normally open contact of the arch lifting electromagnetic valve is connected with the three-way valve (4).
5. The train pantograph control device according to claim 1, further comprising a first one-way conduction valve (8) and a second one-way conduction valve (9);
the input end of the first one-way conduction valve (8) is connected with the output end of the energy storage cylinder (1), and the output end of the first one-way conduction valve (8) is connected with the lifting arch loop;
the input end of the second one-way conduction valve (9) is connected with the second output end of the three-way valve (4), and the output end of the second one-way conduction valve (9) is connected with the lifting arch loop.
6. The train pantograph control device according to claim 3, further comprising a display unit;
the display unit is connected with the controller (7) to acquire and display the arch lifting state.
7. The train pantograph control device according to claim 3, further comprising an alarm unit;
the alarm unit is connected with the controller (7) to give an alarm when the controller (7) acquires an alarm signal sent by the controller when the arch lifting state meets the preset alarm condition.
8. The train pantograph control device according to any one of claims 1 to 7, wherein the three-way valve (4) further comprises a mechanical fork;
the mechanical shifting fork is used for switching the conduction state of the three-way valve (4).
9. The train pantograph control device according to claim 2, wherein the backup air supply device (3) is further provided with an electric pump reservation interface.
10. A train comprising the train pantograph control device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442531.3U CN220742727U (en) | 2023-09-08 | 2023-09-08 | Train pantograph control device and train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442531.3U CN220742727U (en) | 2023-09-08 | 2023-09-08 | Train pantograph control device and train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742727U true CN220742727U (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322442531.3U Active CN220742727U (en) | 2023-09-08 | 2023-09-08 | Train pantograph control device and train |
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| Country | Link |
|---|---|
| CN (1) | CN220742727U (en) |
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2023
- 2023-09-08 CN CN202322442531.3U patent/CN220742727U/en active Active
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