CN212125115U - Medium-low speed maglev train and power supply system - Google Patents
Medium-low speed maglev train and power supply system Download PDFInfo
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- CN212125115U CN212125115U CN202022481952.3U CN202022481952U CN212125115U CN 212125115 U CN212125115 U CN 212125115U CN 202022481952 U CN202022481952 U CN 202022481952U CN 212125115 U CN212125115 U CN 212125115U
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- 239000000725 suspension Substances 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000005339 levitation Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a medium-low speed maglev train and a power supply system, wherein the power supply system comprises a first battery, a second battery, a power supply circuit, a suspension controller and a traction controller; wherein the first battery is connected in parallel with the second battery; the power supply circuit is respectively electrically connected with the first battery and the second battery and is used for controlling the first battery and the second battery to switch to supply power; the suspension controller is electrically connected with the power supply circuit; and the traction controller is electrically connected with the power supply circuit. The power supply system also comprises a comprehensive control system and a test positioning system which are electrically connected with the power supply circuit. The power supply system adopts a distributed redundant power supply structure, the two-way output is passively and automatically switched, the normal working state is used and standby, and the reliability of the power supply system is improved. The transformer substation, the contact rail and the vehicle-mounted high-voltage equipment are omitted, the dead weight of the vehicle can be greatly reduced, the construction cost is reduced, and the potential safety hazard of exposed power supply circuits is avoided.
Description
Technical Field
The utility model relates to a maglev track traffic field especially relates to a well low-speed maglev train and power supply system.
Background
Magnetic levitation rail transit is an important content of new capital construction. The power supply system of the existing maglev track traffic vehicle is characterized in that a 10kV medium-voltage network is led out from a high-voltage power grid, power is supplied in a subarea mode along the track, 10kV alternating current is subjected to voltage reduction and rectification to be 1500V direct current through a ground converter station, and then power is supplied to a running medium-low speed maglev train through contact rails laid along two sides of an F rail. 1500V direct current is reduced to direct current required by vehicles such as 330V direct current, 110V direct current and the like through voltage transformation equipment inside the train, and power is supplied to systems such as vehicle-mounted suspension guiding, traction braking, air conditioning lighting and the like.
The existing power supply scheme of introducing a medium-voltage power grid, building a transformer substation, laying a contact rail, configuring high-voltage equipment such as a high-voltage transmission line and the like, installing a current collector on a medium-low speed magnetic suspension train and configuring various levels of conversion power supplies has the disadvantages of high construction complexity, high cost, more vehicle-mounted equipment, large self weight, exposed contact rail and potential safety hazard and the like. In addition, the power supply line in the subarea is of a series structure, and once a fault occurs, the train in the whole subarea loses power. If a certain contact rail is short-circuited with the F rail, the whole line power grid can be tripped, and accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
The utility model provides a well low-speed maglev train and power supply system can solve the above-mentioned technical problem that current well low-speed maglev train faces.
The utility model discloses a technical solution is a power supply system, include:
a first battery;
a second battery connected in parallel with the first battery;
the power supply circuit is respectively electrically connected with the first battery and the second battery and is used for controlling the first battery and the second battery to switch to supply power;
the suspension controller is electrically connected with the power supply circuit;
and the traction controller is electrically connected with the power supply circuit.
Preferably, the power supply system further comprises a comprehensive control system and a test positioning system which are electrically connected with the power supply circuit.
Preferably, the output voltage of the first battery and the second battery is not more than 60V.
Preferably, the power supply system further comprises a levitation magnet electrically connected with the levitation controller and a linear motor electrically connected with the traction controller.
Preferably, the output voltage of the first and second batteries is 48V.
Preferably, the power supply circuit includes a first fuse connected in series with the first battery, a first diode, a second contactor, and a first contactor connected in parallel with the first diode.
Preferably, the power supply circuit includes a second fuse connected in series with the second battery, a second diode, a fourth contactor, and a third contactor connected in parallel with the second diode.
The utility model discloses still provide a well low-speed maglev train, including foretell power supply system.
The beneficial effects of the utility model include:
1. the novel battery in the vehicle-mounted power supply system supplies power, the required power requirements of systems such as suspension guiding, traction braking and lighting can be normally met, the electromagnet can generate enough suspension force, and meanwhile, the functions of traction, braking and the like of the whole vehicle can be realized through the linear motor.
2. The power supply system adopts a distributed redundant power supply structure, double-path output can be realized, passive automatic switching can be realized, normal working states can be used for one by one, and the reliability of the power supply system can be effectively improved. When one path of power supply of the system is unexpectedly failed and powered off, the vehicle can still normally run.
3. The transformer substation, the contact rail and the vehicle-mounted high-voltage equipment are omitted, the dead weight of the vehicle can be greatly reduced, the cost of the vehicle is reduced, the line construction cost is reduced, and the potential safety hazard of exposed power supply lines is avoided.
Drawings
FIG. 1 is a circuit diagram of a power supply circuit in an embodiment of a power supply system;
FIG. 2 is a circuit diagram of a floating controller in an embodiment of the power supply system;
FIG. 3 is a circuit diagram of another floating controller in an embodiment of a power supply system;
FIG. 4 is a circuit diagram of a traction controller in an embodiment of a power supply system;
fig. 5 is a schematic circuit diagram of an embodiment of a power supply system.
Detailed Description
The utility model provides a power supply system, refer to fig. 1 to 5, in this embodiment, the power supply system includes a first battery, a second battery, a power supply circuit, a suspension controller and a traction controller; wherein the first battery is connected in parallel with the second battery; the power supply circuit is respectively electrically connected with the first battery and the second battery and is used for controlling the first battery and the second battery to switch to supply power; the suspension controller is electrically connected with the power supply circuit; and the traction controller is electrically connected with the power supply circuit. The power supply system also comprises a comprehensive control system and a test positioning system which are electrically connected with the power supply circuit. The comprehensive control system is mainly responsible for monitoring and controlling the working running states of the traction controller, the suspension controller, the storage battery pack and the speed measuring and positioning system in real time. The device collects and stores the operation related data of the device in real time, and can realize the remote control function by the real-time communication of the wireless interface and the external control system.
The speed measurement positioning system is mainly used for acquiring data such as the position, the running speed and the like of the detection device in real time and transmitting the data to the traction and comprehensive control system. When the device is in operation, the traction control system must know the exact position (motor phase) and speed of the device in real time to accurately control the operation. The displacement and positioning functions of the device on the track are realized by a speed measuring and positioning system.
In the present embodiment, the output voltage of the first battery and the second battery is not more than 60V. Preferably, the output voltage of the first and second batteries is 48V. The power supply system further comprises a suspension magnet electrically connected with the suspension controller and a linear motor electrically connected with the traction controller. The power supply circuit comprises a first fuse F1 connected in series with the first battery, a first diode D1, a second contactor KM2 and a first contactor KM1 connected in parallel with the first diode D1. The power supply circuit includes a second fuse F2 connected in series with the second battery, a second diode D2, a fourth contactor KM4, and a third contactor KM3 connected in parallel with the second diode D2. The second contactor KM2 was connected in parallel to the fourth contactor KM 4.
In this embodiment, the power supply parameter of the first battery and the second battery is DC48V/450Ah, the levitation controller includes two-in-one levitation controllers, the input voltage of the levitation controller is DC48V, the input current is 35A, one of the levitation controllers includes a left levitation electromagnet front arm circuit and a left levitation electromagnet rear arm circuit connected in parallel, and a supporting capacitor CL1, the front end of CL1 is further connected with a contactor KML2, a resistor RL1 and a fuse FL1 connected in series with the second contactor KM2, and the two ends of the contactor KML2 and the resistor RL1 are connected in parallel with a contactor KML 1.
The other suspension controller comprises a front arm circuit and a rear arm circuit of the right suspension electromagnet, which are connected in parallel, and a supporting capacitor CR1, the front end of the CR1 is also connected with a contactor KMR2, a resistor RR1 and a fuse FR1, which are connected with a second contactor KM2 in series, and the contactor KMR1 is connected between the contactor KMR2 and the two ends of the resistor RR1 in parallel. The input voltage of the electromagnet is DC48V, and the input current is 120A; the input voltage of the traction controller is DC48V, and the input current is 400A; the input voltage of the linear motor is AC58V, and the input current is 170A; the input voltage of the integrated control system is DC48V, and the input current is 10A; the input voltage of the tachometer positioning system is DC48V, and the input current is 4A.
The utility model discloses still provide a well low-speed maglev train, including foretell power supply system.
The beneficial effects of the utility model include:
1. the novel battery in the vehicle-mounted power supply system supplies power, the required power requirements of systems such as suspension guiding, traction braking and lighting can be normally met, the electromagnet can generate enough suspension force, and meanwhile, the functions of traction, braking and the like of the whole vehicle can be realized through the linear motor.
2. The power supply system adopts a distributed redundant power supply structure, double-path output can be realized, passive automatic switching can be realized, normal working states can be used for one by one, and the reliability of the power supply system can be effectively improved. When one path of power supply of the system is unexpectedly failed and powered off, the vehicle can still normally run.
3. The transformer substation, the contact rail and the vehicle-mounted high-voltage equipment are omitted, the dead weight of the vehicle can be greatly reduced, the cost of the vehicle is reduced, the line construction cost is reduced, and the potential safety hazard of exposed power supply lines is avoided.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a power supply system, is applied to well low-speed maglev train which characterized in that includes:
a first battery;
a second battery connected in parallel with the first battery;
the power supply circuit is respectively electrically connected with the first battery and the second battery and is used for controlling the first battery and the second battery to switch to supply power;
the suspension controller is electrically connected with the power supply circuit;
and the traction controller is electrically connected with the power supply circuit.
2. The power supply system of claim 1, further comprising a comprehensive control system and a test position system electrically connected to the power supply circuit.
3. The power supply system of claim 1, wherein the output voltage of the first and second batteries is no greater than 60V.
4. The power supply system of claim 1, further comprising a levitation magnet electrically connected to the levitation controller and a linear motor electrically connected to the traction controller.
5. The power supply system of claim 1, wherein the output voltage of the first and second batteries is 48V.
6. The power supply system of claim 1, wherein the power supply circuit comprises a first fuse in series with the first battery, a first diode, a second contactor, and a first contactor in parallel with the first diode.
7. The power supply system of claim 6, wherein the power supply circuit includes a second fuse in series with the second battery, a second diode, a fourth contactor, and a third contactor in parallel with the second diode.
8. A medium-low speed maglev train, characterized in that it comprises a power supply system according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481952.3U CN212125115U (en) | 2020-11-02 | 2020-11-02 | Medium-low speed maglev train and power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481952.3U CN212125115U (en) | 2020-11-02 | 2020-11-02 | Medium-low speed maglev train and power supply system |
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| CN212125115U true CN212125115U (en) | 2020-12-11 |
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| CN202022481952.3U Active CN212125115U (en) | 2020-11-02 | 2020-11-02 | Medium-low speed maglev train and power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055436A1 (en) * | 2022-09-15 | 2024-03-21 | 中车长春轨道客车股份有限公司 | Auxiliary power supply system for energy storage maglev vehicle |
-
2020
- 2020-11-02 CN CN202022481952.3U patent/CN212125115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055436A1 (en) * | 2022-09-15 | 2024-03-21 | 中车长春轨道客车股份有限公司 | Auxiliary power supply system for energy storage maglev vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Wenwu Inventor after: Li Ke Inventor after: Nian Jia Inventor before: Zhou Wenwu Inventor before: Li Ke Inventor before: Cheng Hu Inventor before: Nian Jia |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Medium and low speed maglev train and power supply system Effective date of registration: 20221031 Granted publication date: 20201211 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2022430000094 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201211 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2022430000094 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Medium low speed maglev train and power supply system Granted publication date: 20201211 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2024980034235 |