CN214083881U - Power supply system of small-sized electric magnetic levitation vehicle - Google Patents
Power supply system of small-sized electric magnetic levitation vehicle Download PDFInfo
- Publication number
- CN214083881U CN214083881U CN202022781944.0U CN202022781944U CN214083881U CN 214083881 U CN214083881 U CN 214083881U CN 202022781944 U CN202022781944 U CN 202022781944U CN 214083881 U CN214083881 U CN 214083881U
- Authority
- CN
- China
- Prior art keywords
- module
- traction
- vehicle
- control module
- energy converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The application relates to a power supply system of a small-sized electric magnetic levitation vehicle. The power supply system includes: the system comprises a vehicle-mounted storage battery, an energy converter, a traction module and a suspension control module; the vehicle-mounted storage battery is connected with the energy converter, and the energy converter is connected with the traction module and the suspension control module; the vehicle-mounted storage battery is used for supplying power to the traction module and the suspension control module through the energy converter or receiving energy fed back by the traction module and the suspension control module through the energy converter; the energy converter performs boosting chopping on the voltage output by the vehicle-mounted storage battery to output a direct-current voltage traction module and a suspension control module for power supply, or receives energy fed back by the traction module and the suspension control module to perform voltage-reducing chopping and stores the energy to the vehicle-mounted storage battery; the traction module is used for realizing traction and braking of the small-sized electric magnetic levitation vehicle, and the suspension control module is used for realizing suspension of the small-sized electric magnetic levitation vehicle. The power supply system can reduce cost and save energy.
Description
Technical Field
The application relates to the technical field of magnetic suspension, in particular to a power supply system of a miniaturized electric magnetic levitation vehicle.
Background
With the development of magnetic suspension technology, the current technology of low-speed magnetic suspension vehicles tends to be mature, and the low-speed magnetic suspension vehicles have a wide development prospect because the low-speed magnetic suspension vehicles have the advantages of easiness in turning, capability of climbing, safety, low noise, low maintenance cost and the like compared with the traditional wheel-rail vehicles.
The traditional low-speed magnetic suspension vehicle power supply system mainly comprises a ground power distribution part and a vehicle-mounted power distribution part. The ground power distribution system has the function of reducing the voltage of the high-voltage alternating current of the power grid through the transformer, converting the alternating current into direct current with the voltage of DC1500V through the rectifier and supplying the direct current to current receiving rails arranged on two sides of a ground track. The vehicle-mounted power distribution system mainly comprises a suspension power supply system for providing floating support for the vehicle body and a traction power supply system for providing advancing power for the vehicle body. When the vehicle runs, the vehicle-mounted current collector is in contact with a ground current receiving rail, a DC1500V power supply is supplied to the traction linear motor through the traction inverter in one path, and the advancing and braking of the vehicle are controlled; and the other path of the power supply converts DC1500V voltage into DC330V through a suspension main power supply and outputs the DC330V to the suspension controller, and the suspension controller outputs the DC to the suspension electromagnet to control the floating and landing of the vehicle.
However, in this way, on one hand, a ground power supply distribution station needs to be arranged along the track, the early construction cost and the later maintenance cost are high, and on the other hand, the circuit has high loss, which causes energy waste.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a power supply system for a miniaturized electromagnetic levitation vehicle, which can solve the problems of high construction cost and large energy loss of the conventional low-speed magnetic levitation vehicle.
A power supply system for a miniaturized electric-magnetic-levitation vehicle, the power supply system comprising:
the system comprises a vehicle-mounted storage battery, an energy converter, a traction module and a suspension control module;
the vehicle-mounted storage battery is connected with the energy converter, and the energy converter is connected with the traction module and the suspension control module;
the vehicle-mounted storage battery is used for supplying power to the traction module and the suspension control module through the energy converter or receiving energy fed back by the traction module and the suspension control module through the energy converter;
the energy converter performs boost chopping on the voltage output by the vehicle-mounted storage battery, outputs direct-current voltage to supply power to the traction module and the suspension control module, or receives energy fed back by the traction module and the suspension control module, performs buck chopping and stores the energy to the vehicle-mounted storage battery;
the traction module is used for realizing traction and braking of the small-sized electric magnetic levitation vehicle, and the suspension control module is used for realizing suspension of the small-sized electric magnetic levitation vehicle.
In one embodiment, the energy converter comprises a chopping module and a filtering module, wherein the chopping module is connected with the filtering module; the chopping module is used for performing boost chopping or buck chopping;
the filtering module is used for carrying out filtering operation.
In one embodiment, the chopping module comprises a first positive input terminal, a first negative input terminal, a first positive output terminal, and a first negative output terminal; the first positive input end and the first negative input end are connected with the filtering module; the first positive output end and the first negative output end are connected with the traction module and the suspension control module; the first positive input end and the first positive output end are connected through a first switch power tube; and the first positive input end and the first negative input end are connected through a second switching power tube.
In one embodiment, the filtering module comprises: a second positive input terminal, a second negative input terminal, a second positive output terminal and a second negative output terminal; the second positive output end and the second negative output end are respectively connected with the first positive input end and the first negative input end; the second positive input end and the second negative input end are connected with the vehicle-mounted storage battery; the second positive input end and the second negative input end are connected through a capacitor; and the second positive output end is connected with the second positive input end through an inductor.
In one embodiment, the first switching power tube and the second switching power tube are connected with a freewheeling diode in parallel.
In one embodiment, the traction module comprises: a traction inverter and a traction linear motor; the traction inverter is connected with the traction linear motor, and the traction inverter is connected with the energy converter.
In one embodiment, the levitation control module comprises: suspension controller and suspension electro-magnet.
Above-mentioned miniaturized electric magnetic levitation vehicle's power supply system supplies power through on the one hand vehicle-mounted storage battery, thereby need not to set up ground power supply distribution station and lay the current-receiving rail along the line at the track, and dispose parts such as current-receiving ware on the car, thereby magnetic levitation vehicle's cost has been reduced, in addition, the utility model is suitable for a miniaturized electric levitation vehicle, the route is short, just can supply power to the whole car through vehicle-mounted storage battery, it is not high to the vehicle-mounted storage battery requirement, on the other hand, be applicable to the scene that low-speed magnetic suspension frequently parks, through setting up energy converter, both can supply power after stepping up DC voltage in the vehicle-mounted storage battery, can save the energy of repayment in traction module and the suspension control module again, thereby continuation of the journey has been promoted.
Drawings
FIG. 1 is a block diagram of a power supply system of a miniaturized electromagnetic floating vehicle in one embodiment;
fig. 2 is a circuit schematic of an energy converter in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, there is provided a power supply system for a miniaturized electric-magnetic-levitation vehicle, including: an on-board battery 100, an energy converter 200, a traction module 300, and a levitation control module 400.
The vehicle-mounted storage battery 100 is connected with the energy converter 200, and the energy converter 200 is connected with the traction module 300 and the levitation control module 400; the vehicle-mounted storage battery 100 is used for supplying power to the traction module 300 and the levitation control module 400 through the energy converter 200, or receiving energy fed back by the traction module 300 and the levitation control module 400 through the energy converter 200; the energy converter 200 boosts the voltage output by the vehicle-mounted storage battery 100, chops the voltage to output a direct-current voltage to the traction module 300 and the suspension control module 400 for power supply, or receives energy fed back by the traction module 300 and the suspension control module 400, chops the voltage, and stores the energy to the vehicle-mounted storage battery 100; the traction module 300 is used for realizing traction and braking of the small-sized electric magnetic levitation vehicle, and the levitation control module 400 is used for realizing levitation of the small-sized electric magnetic levitation vehicle.
Above-mentioned miniaturized electric magnetic levitation vehicle's power supply system supplies power through on the one hand vehicle-mounted storage battery, thereby need not to set up ground power supply distribution station and lay the current-receiving rail along the line at the track, and dispose parts such as current-receiving ware on the car, thereby magnetic levitation vehicle's cost has been reduced, in addition, the utility model is suitable for a miniaturized electric levitation vehicle, the route is short, just can supply power to the whole car through vehicle-mounted storage battery, it is not high to the vehicle-mounted storage battery requirement, on the other hand, be applicable to the scene that low-speed magnetic suspension frequently parks, through setting up energy converter, both can supply power after stepping up DC voltage in the vehicle-mounted storage battery, can save the energy of repayment in traction module and the suspension control module again, thereby continuation of the journey has been promoted.
It is worth explaining that the energy required by the suspension and the traction of the low-speed magnetic suspension vehicle from the starting, the accelerating to the stable running is supplied to the traction power supply system and the suspension controller respectively by the vehicle-mounted storage battery through the energy converter; when the magnetic suspension vehicle is braked, a feedback braking mode is adopted, and the traction linear motor feeds power to the vehicle-mounted storage battery for charging through the traction inverter and the vehicle-mounted energy converter. Meanwhile, the suspension controller can also feed energy back to the storage battery through the energy converter. By adopting the energy-saving power supply mode, the electric energy stored by the vehicle-mounted storage battery can completely meet the requirement of short-distance back-and-forth running of the small magnetic levitation vehicle. In addition, the traction module 300 and the levitation control module 400 can be implemented by using the traction module and the levitation control module in the existing low-speed magnetic levitation vehicle.
In one embodiment, the energy converter comprises a chopping module and a filtering module, wherein the chopping module is connected with the filtering module; the chopping module is used for performing boosting chopping or buck chopping; the filtering module is used for carrying out filtering operation.
Specifically, as shown in fig. 2, a circuit schematic diagram of an energy converter is provided, in which a chopper module includes a first positive input terminal, a first negative input terminal, a first positive output terminal, and a first negative output terminal; the first positive input end and the first negative input end are connected with the filtering module; the first positive output end and the first negative output end are connected with the traction module and the suspension control module; the first positive input end and the first positive output end are connected through a first switch power tube; the first positive input end and the first negative input end are connected through a second switching power tube.
In another embodiment, the filtering module includes: a second positive input terminal, a second negative input terminal, a second positive output terminal and a second negative output terminal; the second positive output end and the second negative output end are respectively connected with the first positive input end and the first negative input end; the second positive input end and the second negative input end are connected with the vehicle-mounted storage battery; the second positive input end and the second negative input end are connected through a capacitor; the second positive electrode output end is connected with the second positive electrode input end through an inductor.
In one embodiment, the first switching power tube and the second switching power tube are connected with a freewheeling diode in parallel.
Specifically, the first switching power transistor is VT1 in fig. 2, the second switching power transistor is VT2 in fig. 2, VD1 and VD2 are both freewheeling diodes, L represents inductance, and C represents capacitance.
Specifically, the energy converter is composed of power switching tubes VT1 and VT2, freewheeling diodes VD1 and VD2, an inductor L and a capacitor C. The power switch tubes VT1 and VT2 can be IGBT, MOSFET or SiC type power devices, and L and C form a filtering link. The vehicle-mounted storage battery outputs a stable direct current voltage to supply power to a traction and suspension system through a boosting chopper circuit consisting of the L, power switching tubes VT1 and VT2 and freewheeling diodes VD1 and VD2, the voltage is greater than the voltage of the storage battery, and the voltage can be kept stable when the voltage of the storage battery changes within a certain range. When the traction or suspension system has feedback energy, the storage battery is charged through a buck chopper circuit consisting of power switching tubes VT1 and VT2, freewheeling diodes VD1 and VD2 and an inductor L.
In one embodiment, the traction module comprises: a traction inverter and a traction linear motor; the traction inverter is connected with the traction linear motor and the energy converter.
In one embodiment, the levitation control module comprises: the suspension controller is connected with the suspension electromagnet, and the suspension controller is connected with the energy converter.
In conclusion, the beneficial effects of the present invention are as follows:
(1) adopt the utility model discloses power supply system has cancelled ground power distribution station, ground current-receiving rail, on-vehicle current collector, greatly reduced the project construction cost, retrencied vehicle structure, greatly reduced the later maintenance cost, avoided the loss of electric energy in long distance line transmission.
(2) The suspension controller and the traction system can feed electric energy back to the storage battery through the vehicle-mounted energy converter, so that energy is saved, and the suspension controller and the traction system are more energy-saving and environment-friendly.
(3) The ground power distribution station and the current receiving rail are not required to be arranged, so that the construction layout of the magnetic suspension route in a busy city district is facilitated, and the selection of the magnetic suspension route is more flexible.
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-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A power supply system for a miniaturized electric-magnetic-levitation vehicle, comprising:
the system comprises a vehicle-mounted storage battery, an energy converter, a traction module and a suspension control module;
the vehicle-mounted storage battery is connected with the energy converter, and the energy converter is connected with the traction module and the suspension control module;
the vehicle-mounted storage battery is used for supplying power to the traction module and the suspension control module through the energy converter or receiving energy fed back by the traction module and the suspension control module through the energy converter;
the energy converter performs boost chopping on the voltage output by the vehicle-mounted storage battery, outputs direct-current voltage to supply power to the traction module and the suspension control module, or receives energy fed back by the traction module and the suspension control module, performs buck chopping and stores the energy to the vehicle-mounted storage battery;
the traction module is used for realizing traction and braking of the small-sized electric magnetic levitation vehicle, and the suspension control module is used for realizing suspension of the small-sized electric magnetic levitation vehicle.
2. The power supply system of claim 1, wherein the energy converter comprises a chopping module and a filtering module, the chopping module being connected to the filtering module;
the chopping module is used for performing boost chopping or buck chopping;
the filtering module is used for carrying out filtering operation.
3. The power supply system of claim 2, wherein the chopping module comprises a first positive input, a first negative input, a first positive output, and a first negative output;
the first positive input end and the first negative input end are connected with the filtering module;
the first positive output end and the first negative output end are connected with the traction module and the suspension control module;
the first positive input end and the first positive output end are connected through a first switch power tube;
and the first positive input end and the first negative input end are connected through a second switching power tube.
4. The power supply system of claim 3, wherein the filtering module comprises: a second positive input terminal, a second negative input terminal, a second positive output terminal and a second negative output terminal;
the second positive output end and the second negative output end are respectively connected with the first positive input end and the first negative input end;
the second positive input end and the second negative input end are connected with the vehicle-mounted storage battery;
the second positive input end and the second negative input end are connected through a capacitor;
and the second positive output end is connected with the second positive input end through an inductor.
5. The power supply system of claim 3, wherein the first switching power transistor and the second switching power transistor are each connected in parallel with a freewheeling diode.
6. The power supply system according to any one of claims 1 to 5, wherein the traction module includes: a traction inverter and a traction linear motor;
the traction inverter is connected with the traction linear motor, and the traction inverter is connected with the energy converter.
7. The power supply system of any one of claims 1 to 5, wherein the levitation control module comprises: a suspension controller and a suspension electromagnet;
the suspension controller is connected with the suspension electromagnet, and the suspension controller is connected with the energy converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781944.0U CN214083881U (en) | 2020-11-26 | 2020-11-26 | Power supply system of small-sized electric magnetic levitation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781944.0U CN214083881U (en) | 2020-11-26 | 2020-11-26 | Power supply system of small-sized electric magnetic levitation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214083881U true CN214083881U (en) | 2021-08-31 |
Family
ID=77453917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022781944.0U Active CN214083881U (en) | 2020-11-26 | 2020-11-26 | Power supply system of small-sized electric magnetic levitation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214083881U (en) |
-
2020
- 2020-11-26 CN CN202022781944.0U patent/CN214083881U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019085228A1 (en) | Rail traffic hybrid power circuit, energy storage power pack, and power supply method therefor | |
| EP2695763B1 (en) | Traction power converter for multisystem rail vehicle | |
| CN110768531A (en) | Bidirectional high-frequency isolation type DC/DC module | |
| CN110696846A (en) | Multi-power-source railway vehicle and main and auxiliary transmission system and method thereof | |
| CN108312889B (en) | High-power high-efficiency bidirectional charger for subway vehicle | |
| CN109278765B (en) | Main line hybrid power locomotive group control system | |
| CN111959350A (en) | Integrated traction power supply system architecture based on source network load storage | |
| CN105790317B (en) | A kind of rail traffic vehicles main circuit suitable for multiple power sources power supply | |
| CN209938340U (en) | Power supply hybrid power supply system for railway vehicle | |
| CN214083881U (en) | Power supply system of small-sized electric magnetic levitation vehicle | |
| JP5777669B2 (en) | Electric vehicle control device | |
| CN103151806B (en) | Tractive power supply system and method | |
| CN208971155U (en) | Energy comprehensive utilization system applied to subway system | |
| CN104467508B (en) | Traction converter with braking energy recyclable and conversion method | |
| CN112356687A (en) | Power supply system of small-sized electric magnetic levitation vehicle | |
| RU133060U1 (en) | Shunting Electric Locomotive | |
| CN115579919A (en) | Flywheel energy storage system and method suitable for rail transit | |
| CN112491155B (en) | Multi-module SIPO circuit topology of receiving end of magnetic parallel type electric automobile high-power dynamic wireless power supply system and control method | |
| CN109050256A (en) | Electric car auxiliary power unit | |
| CN205086705U (en) | Hybrid locomotive ground charging system | |
| JP2001069604A (en) | Electric vehicle controller and dc/dc converter | |
| CN209938336U (en) | Device for regenerative braking, auxiliary inversion and train power supply of rail transit | |
| Devi et al. | Battery Management System Using Sepic Converter With Pv ased Ev | |
| CN108749578B (en) | Emergency traction device and emergency vehicle trailer system | |
| JPS62227828A (en) | Direct current electric-car feeding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |