CN116620022A - Circuit for centralized control power supply, train and power supply method - Google Patents
Circuit for centralized control power supply, train and power supply method Download PDFInfo
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- CN116620022A CN116620022A CN202310835668.7A CN202310835668A CN116620022A CN 116620022 A CN116620022 A CN 116620022A CN 202310835668 A CN202310835668 A CN 202310835668A CN 116620022 A CN116620022 A CN 116620022A
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- power supply
- switch
- power
- coil
- relay unit
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a centralized control power supply circuit, a train and a power supply method, comprising the following steps: a first relay unit and a first power supply unit which are arranged in the first vehicle and are sequentially connected; a self-resetting pulse switch arranged in the second vehicle, a third air switch, a second relay unit and a second power supply unit which are connected in sequence; when the third air switch is closed and the self-resetting pulse switch is in a power-on or power-off state, the first relay unit and the second relay unit respectively control the corresponding first power supply unit and second power supply unit to supply power to or cut off power from a connected load.
Description
Technical Field
The invention belongs to the technical field of vehicle power supply, and particularly relates to a centralized control power supply circuit, a train and a power supply method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, a vehicle, such as a 25T passenger car and a power-concentrated motor train unit, is powered by a single car when in power supply, and the power supply and the power failure of the train need to be carried out on each vehicle one by one so as to carry out power supply and power failure operation, and the operation is complex.
In the prior art, although the related technology of centralized power supply by a grouping mode exists, the scheme is relatively complex in control logic, and once a detection fault exists in a certain link, the whole control logic is difficult to realize, so that the centralized power supply of the whole motor train unit is affected.
Disclosure of Invention
In order to solve the problems, the invention provides a centralized control power supply circuit, which can realize power supply and power failure of the whole train and is simple and convenient to operate.
According to some embodiments, the present invention employs the following technical solutions:
in a first aspect, a circuit for centralized control of power supply is disclosed, comprising:
a first relay unit and a first power supply unit which are arranged in the first vehicle and are sequentially connected;
a self-resetting pulse switch arranged in the second vehicle, a third air switch, a second relay unit and a second power supply unit which are connected in sequence;
when the third air switch is closed and the self-resetting pulse switch is in a power-on or power-off state, the first relay unit and the second relay unit respectively control the corresponding first power supply unit and second power supply unit to supply power to or cut off power from a connected load.
As a further technical scheme, the first power supply unit and the second power supply unit have the same circuit structure.
As a further technical scheme, any power supply unit comprises a first air switch and a second air switch which are sequentially connected, wherein the first air switch is connected to a power supply end, the second air switch is connected to a load end, and a connecting circuit between the first air switch and the second air switch is connected to a corresponding relay unit.
As a further technical scheme, the first relay unit and the second relay unit have the same circuit structure.
As a further technical scheme, any relay unit comprises a control knob switch, four switches and corresponding coils, wherein the control knob switch is connected on four paths in parallel; the four parallel circuits are connected to the positive electrode of the power supply end.
As a further technical scheme, in four paths of parallel connection, a first switch, a second switch and a third coil are connected in series on a first path of line, and the third switch is connected in parallel on the first switch; a third switch is connected to the second route; a fourth coil is connected to the third circuit; the fourth line provides power to the display device.
As a further technical scheme, one end of the first coil and one end of the second coil are respectively connected to one connector through the branch boxes, and the other ends of the first coil and the second coil are respectively connected to the other connector through the unidirectional diode.
As a further technical scheme, the power-on end and the power-off end of the self-resetting pulse switch are respectively connected to the circuits where the first coil and the second coil are located.
In a second aspect, a centralized control power supply method is disclosed, wherein the power supply is in a centralized control mode, and a first vehicle and a second vehicle are both in a connection state with a power supply end; comprising the following steps:
and (5) power-on step: when the self-reset pulse switch is in a power-on state, the first relay unit and the second relay unit which are connected with the power supply end work, and the power supply end is connected with the load end to supply power for the load end;
and (3) power-off step: when the self-resetting pulse switch is in a power-off state, the first relay unit and the second relay unit which are connected with the power supply end work to disconnect the power supply end from the load end, and the power supply of the load end is disconnected.
As a further technical scheme, in the step of powering up, when the self-reset pulse switch is in a power-up state, the first coil in the first relay unit and the second relay unit is powered up, the second coil is not powered up, the third coil is powered up, the fourth coil is powered up, and the positive electrode end and the negative electrode end of the power supply end are respectively connected to two ends of the relay unit.
As a further technical scheme, in the step of power failure, the first coil in the first relay unit and the second relay unit is powered, the second coil is powered, the third coil is not powered, and the fourth coil is not powered.
In a third aspect, a train is disclosed, including a first vehicle and a second vehicle, in which the above-mentioned centralized control power supply circuit is installed.
Compared with the prior art, the invention has the beneficial effects that:
the technical scheme of the invention realizes the centralized control of the power supply of different vehicles through the circuit of centralized control power supply, including power-on control and power-off control, and avoids the problems of complicated operation and inaccurate control caused by independent control of the power supply.
According to the technical scheme, the power-on control and the power-off control of each vehicle are realized by adopting a hardware circuit mode, so that the reliability is higher, and the problem of faults caused by simple software control is avoided.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic diagram of the overall circuit structure of the present invention.
The specific embodiment is as follows:
the invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiment one:
in this embodiment, a motor train unit is taken as an example for illustration, but the centralized control power supply circuit provided by the invention is not represented and can only be applied to power supply control of a motor train unit. The power supply system can also be suitable for power supply of other vehicles according to different power supply objects.
Referring to fig. 1, in this embodiment, a circuit for centralized control of power supply is disclosed, including: a first relay unit and a first power supply unit which are arranged in the first vehicle and are sequentially connected;
a self-resetting pulse switch arranged in the second vehicle, a third air switch, a second relay unit and a second power supply unit which are connected in sequence;
when the third air switch is closed and the power-on or power-off state is selected from the reset pulse switch, the first relay unit and the second relay unit respectively control the corresponding first power supply unit and the second power supply unit to supply power to or cut off power from the connected load.
If there are a plurality of vehicles, the circuits on the remaining vehicles other than the first vehicle and the second vehicle are the same as those in the first vehicle.
The circuit structure of the first power supply unit and the second power supply unit is the same.
Specifically, any power supply unit all includes the first unoccupied switch and the second unoccupied switch that connect gradually, and first unoccupied switch is connected to the power end, and the second unoccupied switch is connected to the load end, the connection line between first unoccupied switch and the second unoccupied switch is connected to corresponding relay unit.
The second air switch is a redundant air switch, and when the relay fails, the relay can directly supply power to the load through the second air switch short-circuit relay control unit.
The first relay unit and the second relay unit have the same circuit structure.
Specifically, any relay unit comprises a control knob switch, four switches and corresponding coils, wherein the control knob switch is connected on four paths in parallel; the four parallel circuits are connected to the positive electrode of the power supply end.
In the four parallel circuits, a first switch, a second switch and a third coil are connected in series on the first circuit, and the third switch is connected in parallel on the first switch; a third switch is connected to the second route; a fourth coil is connected to the third circuit; the fourth line provides power to the display device.
One ends of the first coil and the second coil are connected to one connector through a branch box respectively, and the other ends of the first coil and the second coil are connected to the other connector through unidirectional diodes respectively.
The connector is used for expanding the number of vehicles, and when 3 or more vehicles are connected, the vehicles with more different structures are connected through the connector.
The power-on end and the power-off end of the self-resetting pulse switch are respectively connected to the circuits where the first coil and the second coil are located.
The embodiment of the invention can realize power supply and power outage of the whole train by arranging the centralized control power supply key, is simple and convenient to operate, and reduces the risk of manual misoperation.
In the technical scheme of the embodiment, a centralized control power supply circuit is provided with a self-reset pulse switch, a control knob switch, a relay and an air switch. The control circuit is arranged in the equipment cabinet of the vehicle, and the power supply key is arranged in the equipment cabinet of one or a plurality of vehicles of the train. Each vehicle in the train is provided with a control knob switch, and each vehicle can select three power supply modes of centralized control, stopping and single vehicle. When the vehicle selects a centralized control mode, the power supply of the vehicle can be controlled by the vehicle provided with the self-resetting pulse switch; when the 'single vehicle' mode is selected, the power supply of the vehicle is not controlled by other vehicles; the vehicle is powered down when the "stop" mode is selected.
Specifically, a knob switch is arranged, and the switch has three gear positions of centralized control, stopping and bicycle. Different power modes are selected by the knob switch.
The self-resetting pulsation switch is powered on and powered off, and when the power on mode is selected, the self-resetting pulsation switch controls the power supply of the vehicle and the vehicle with the centralized control mode. When the power-off is selected, the power-off of the vehicle is controlled and the centralized control mode is set.
Embodiment two:
based on the system of the first embodiment, a specific centralized control power supply method is disclosed, which comprises the following steps:
in a second aspect, a centralized control power supply method is disclosed, wherein the power supply is in a centralized control mode, and a first vehicle and a second vehicle are both in a connection state with a power supply end; comprising the following steps:
and (5) power-on step: when the self-reset pulse switch is in a power-on state, the first relay unit and the second relay unit which are connected with the power supply end work, and the power supply end is connected with the load end to supply power for the load end;
and (3) power-off step: when the self-resetting pulse switch is in a power-off state, the first relay unit and the second relay unit which are connected with the power supply end work to disconnect the power supply end from the load end, and the power supply of the load end is disconnected.
In the power-on step, when the self-resetting pulse switch is in a power-on state, the first coil in the first relay unit and the second relay unit is powered on, the second coil is not powered on, the third coil is powered on, the fourth coil is powered on, and the positive electrode end and the negative electrode end of the power supply end are respectively connected to the two ends of the relay unit.
In the power-off step, the first coil in the first relay unit and the second relay unit is powered on, the second coil is powered on, the third coil is not powered on, and the fourth coil is not powered on.
The centralized control circuit is powered by the air switch 3 of the vehicle 2 (the air switch 3 is closed to perform centralized control), and a centralized control self-reset pulse switch is arranged. The vehicle 1 and the vehicle 2 are respectively provided with centralized control relays KA1, KA2, KA3 and KA4, a control knob switch SA1, a centralized control indicator lamp, an idle switch 1 and an emergency idle switch 2.
When the vehicle 1 and 2 control knob switch SA1 selects centralized control, the 1 point and 2 points, the 3 point and 4 points, the 7 point and 8 points of the control knob switch SA1 are connected, the microcomputer displays power supply centralized control, the vehicle 2 is opened 3 and closed, the vehicle 1 and 2 is opened 2.
The contacts of the air switch 2 and the control relay are in a parallel structure, and when the relay fails, the second air switch short-circuit relay control unit can directly supply goods to a load. The switch 2 should be opened during normal operation.
The power-on pulse switch selects 'power-on', the line number 1 is being connected with a power supply through the air switch 3, the line number 1 is being connected with the line number 2 through the power-on position of the self-reset switch, the line number 2 is being connected with the power supply, the relay KA1 coils of the vehicles 1 and 2 are powered on, the normally open contact of the relay KA1 is closed, the relay KA2 coil is not powered on, the normally closed contact of the relay KA2 is closed, the coil of the relay KA3 is powered on, the normally open contact of the relay KA3 is closed, and the centralized control indicating lamp is lighted. After the self-reset pulse switch is self-reset, the KA3 relay is self-locking to supply power, the KA4 contacts are connected with the empty switch 2 in parallel, the control load is connected with a power supply, the relay KA4 coil is powered, the normally open contacts of the relay KA4 are closed, and the loads of the vehicles 1 and 2 are powered.
The self-resetting pulse switch selects 'outage', the line number 1 is connected with the line number 3 through the 'outage' bit of the self-resetting switch, the line number 3 is connected with a power supply, the relay KA2 coils of the vehicles 1 and 2 are powered on, the normally closed contacts of the relay KA2 are disconnected, the self-locking circuit of the relay KA3 is powered off, the relay coil of the relay KA3 is not powered on, and the normally open contacts of the relay KA3 are disconnected. The coil of the relay KA4 is not electrified, the normally open contact of the relay KA4 is powered off, and loads of the vehicles 1 and 2 are powered off.
Embodiment III:
in this embodiment, a train is disclosed that includes a first vehicle and a second vehicle, in which the centralized control power supply circuit in the first embodiment is installed and power is supplied according to the method in the second embodiment.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (10)
1. A circuit for centralized control of power, comprising:
a first relay unit and a first power supply unit which are arranged in the first vehicle and are sequentially connected;
a self-resetting pulse switch arranged in the second vehicle, a third air switch, a second relay unit and a second power supply unit which are connected in sequence;
when the third air switch is closed and the self-resetting pulse switch is in a power-on or power-off state, the first relay unit and the second relay unit respectively control the corresponding first power supply unit and second power supply unit to supply power to or cut off power from a connected load.
2. The circuit for centralized control of power supply of claim 1, wherein the first power supply unit and the second power supply unit have the same circuit structure;
any power supply unit all includes the first unoccupied switch and the second unoccupied switch that connect gradually, and first unoccupied switch is connected to the power end, and the second unoccupied switch is connected to the load end, the connection line between first unoccupied switch and the second unoccupied switch is connected to corresponding relay unit.
3. The circuit for centralized control of power supply of claim 1, wherein the first relay unit and the second relay unit have the same circuit structure;
any relay unit comprises a control knob switch, four switches and corresponding coils, wherein the control knob switch is connected on four paths in parallel; the four parallel circuits are connected to the positive electrode of the power supply end.
4. A centralized control power supply circuit as claimed in claim 3, wherein in four parallel lines, a first switch, a second switch and a third coil are connected in series on a first line, and the third switch is connected in parallel on the first switch; a third switch is connected to the second route; a fourth coil is connected to the third circuit; the fourth line provides power to the display device.
5. A centralized control power supply circuit as claimed in claim 3, wherein one end of the first coil and one end of the second coil are connected to one connector through the junction box respectively, and the other ends of the first coil and the second coil are connected to the other connector through the unidirectional diode respectively.
6. The circuit for centralized control of power supply of claim 1, wherein the power-on and power-off terminals of the self-resetting pulse switch are connected to the lines where the first coil and the second coil are located, respectively.
7. The power supply method based on the centralized control power supply circuit according to any one of claims 1 to 6, characterized in that the power supply is performed in a centralized control mode, and the first vehicle and the second vehicle are both in a connection state with the power supply terminal; comprising the following steps:
and (5) power-on step: when the self-reset pulse switch is in a power-on state, the first relay unit and the second relay unit which are connected with the power supply end work, and the power supply end is connected with the load end to supply power for the load end;
and (3) power-off step: when the self-resetting pulse switch is in a power-off state, the first relay unit and the second relay unit which are connected with the power supply end work to disconnect the power supply end from the load end, and the power supply of the load end is disconnected.
8. The method of centralized control and power supply according to claim 7, wherein in the step of powering up, when the self-reset pulse switch is in a power-up state, the first coil in the first relay unit and the second relay unit is powered up, the second coil is not powered up, the third coil is powered up, the fourth coil is powered up, and the positive terminal and the negative terminal of the power supply terminal are respectively connected to two ends of the relay unit.
9. The centralized control power supply method as claimed in claim 7, wherein in the step of powering off, the first coil of the first relay unit and the second relay unit is powered on, the second coil is powered on, the third coil is not powered on, and the fourth coil is not powered on.
10. A train comprising a first vehicle and a second vehicle, wherein the train is provided with a centralized control power supply circuit according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310835668.7A CN116620022A (en) | 2023-07-07 | 2023-07-07 | Circuit for centralized control power supply, train and power supply method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310835668.7A CN116620022A (en) | 2023-07-07 | 2023-07-07 | Circuit for centralized control power supply, train and power supply method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116620022A true CN116620022A (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310835668.7A Pending CN116620022A (en) | 2023-07-07 | 2023-07-07 | Circuit for centralized control power supply, train and power supply method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116620022A (en) |
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2023
- 2023-07-07 CN CN202310835668.7A patent/CN116620022A/en active Pending
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