CN112319223A - Train power supply system and train - Google Patents
Train power supply system and train Download PDFInfo
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- CN112319223A CN112319223A CN202011179885.8A CN202011179885A CN112319223A CN 112319223 A CN112319223 A CN 112319223A CN 202011179885 A CN202011179885 A CN 202011179885A CN 112319223 A CN112319223 A CN 112319223A
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- power supply
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- 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
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- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A train power supply system and a train, the system comprising: the electric locomotive is used for providing a direct current power supply with a first amplitude value and supplying power to preset high-power electric equipment in each carriage; the shaft end power generation device is arranged on each carriage and is used for generating power under the driving of an axle of the train so as to provide direct current with a second amplitude and supplying power to an electrical monitoring system and electrical equipment in the carriage corresponding to the shaft end power generation device; the first end of the storage battery box is connected with the shaft end power generation device, and the output end of the storage battery box is connected with the electrical monitoring system and the electrical equipment; the first end of the comprehensive power supply is connected with the electric locomotive, the second end of the comprehensive power supply is connected with the storage battery box, and the third end of the comprehensive power supply is connected with the preset high-power electric equipment, so that the power demand of the high-power electric equipment is guaranteed.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a train power supply system and a train.
Background
The economic development mode of China is turning from large-scale speed type extensive increase to quality efficiency type intensive increase, the logistics market is changing deeply, the total quantity of logistics market demands of the whole society, particularly the logistics demands of small, fast and zero, is increasing continuously, the logistics industry is developing by well-jet type, 160km/h fast boxcars adapt to the market demands, the railway transportation advantages are fully exerted, a power supply system can solve the problem of electrification of trucks, the operation safety of the trucks is improved, meanwhile, the requirements of on-the-way monitoring of goods and the like are met, and the domestic blank of China is filled.
In a railway wagon power supply system, the problem that the conventional railway wagon power supply system is difficult to meet long-distance running of a railway wagon and long-time working of multiple devices is solved. As shown in fig. 1, the prior art provides a power supply system for a railway wagon, which comprises: the shaft end permanent magnet generator is driven by the axle of the railway wagon to generate electricity and output three-phase alternating current voltage; the power supply module is electrically connected with the output end of the shaft end permanent magnet generator and is used for converting the three-phase alternating voltage into direct voltage within a first preset voltage range and outputting the direct voltage; the nickel-metal hydride storage battery is electrically connected with the output end of the power supply module; and the storage battery management module is electrically connected with the output end of the shaft end permanent magnet generator, the output end and the control end of the power supply module and the nickel-metal hydride storage battery and is used for controlling the charging and discharging of the nickel-metal hydride storage battery according to the three-phase alternating voltage output by the shaft end permanent magnet generator.
The applicant finds that in the prior art, the requirement of high-power equipment such as a refrigerating box and the like cannot be met only by shaft end power generation.
Disclosure of Invention
In view of this, the embodiment of the invention provides a train power supply system and a train, so as to meet the power consumption requirement of high-power equipment on the train.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a train power supply system comprising:
the electric locomotive is used for providing a direct current power supply with a first amplitude value and supplying power to preset high-power electric equipment in each carriage;
the shaft end power generation device is arranged on each carriage and is used for generating power under the driving of an axle of the train so as to provide direct current with a second amplitude and supplying power to an electrical monitoring system and electrical equipment in the carriage corresponding to the shaft end power generation device;
the first end of the storage battery box is connected with the shaft end power generation device, and the output end of the storage battery box is connected with the electrical monitoring system and the electrical equipment;
the first end of the comprehensive power supply is connected with the electric locomotive, the second end of the comprehensive power supply is connected with the storage battery box, and the third end of the comprehensive power supply is connected with the preset high-power electric equipment.
Optionally, in the train power supply system, the method further includes:
the distribution box group is arranged between the electric locomotive and the comprehensive power supply, one distribution box group is arranged in each carriage, and the distribution box group comprises a first distribution box arranged at the end part of the carriage close to one end of the electric locomotive and a second distribution box arranged at the end part of the carriage far away from one end of the electric locomotive; the input end of the first branch box is used for being connected with the output end of the second branch box of the previous carriage, the first output end of the first branch box is used for being connected with the integrated power supply, and the second output end of the first branch box is used for being connected with the input end of the second branch box in the branch box group to which the first branch box belongs.
Optionally, in the train power supply system, the junction box is provided with a plurality of connecting pieces, and the junction box is mounted at the bottom of the carriage through the connecting pieces.
Optionally, in the train power supply system, the integrated power supply includes:
a power supply charger;
the input end of the power supply charger is connected with the electric locomotive and used for pre-charging the storage battery box when the input voltage is detected to be within a preset range, and the storage battery box is charged according to a preset curve after the pre-charging is completed.
Optionally, in the train power supply system, the power charger includes:
the first end of the pre-charging loop is connected with the electric locomotive;
a first end of the capacitor support circuit is connected with a second end of the pre-charging circuit;
a first end of the half-bridge resonant conversion circuit is connected with a second end of the capacitance support loop;
and the first end of the storage battery charging control circuit is connected with the second end of the half-bridge resonance conversion circuit, and the second end of the storage battery charging control circuit is connected with the storage battery box.
Optionally, in the train power supply system, the integrated power supply includes:
a bus power supply control circuit;
the input end of the bus power supply control circuit is connected with the electric locomotive, and the output end of the bus power supply control circuit is connected with the preset high-power electric equipment and used for controlling the power-on state of the preset high-power electric equipment.
Optionally, in the train power supply system, the bus power supply control circuit includes:
the first end of the first power supply control contactor is connected with the electric locomotive;
a first end of the first main control switch is connected with a second end of the first power supply control contactor, and a second end of the first main control switch is connected with the preset high-power electric equipment;
a voltage detection sensor disposed between the first master switch and the power supply control contactor;
the current detection sensor is arranged between the first main control switch and the preset high-power electric equipment;
and the insulation detection device is arranged between the first main control switch and the preset high-power electric equipment.
Optionally, in the train power supply system, the bus power supply control circuit further includes:
the first end of the second power supply control contactor is connected with the electric locomotive;
and a first end of the second main control switch is connected with a second end of the second power supply control contactor, and a second end of the second main control switch is connected with the preset high-power electric equipment.
A train comprises the train power supply system.
Based on the above technical solution, in the above scheme provided in the embodiment of the present invention, under the control of the integrated power supply 400, when power needs to be supplied to the preset high-power electric equipment, the electric locomotive 100 is controlled to be conducted with the preset high-power electric equipment, the electric locomotive is used to supply power to the preset high-power electric equipment, when power needs to be supplied to the electric monitoring system and the electric equipment in the carriage, the shaft end power generation device 200 is used to supply power to the electric monitoring system and the electric equipment, and a power supply mode combining the electric locomotive and the shaft end power generation device is used, so that power consumption requirements of a train are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a train power supply system disclosed in the prior art;
fig. 2 is a schematic structural diagram of a train power supply system disclosed in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another train power supply system disclosed in the embodiment of the present application;
fig. 4 is a schematic circuit diagram of a power charger according to an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a bus power supply control circuit disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Aiming at the problem that in the prior art, the power demand of high-power electric equipment on a train is difficult to meet only by adopting a mode of shaft end power generation, the application provides a train power supply system, referring to fig. 2, the system comprises:
the electric locomotive 100 is used for providing a direct current power supply with a first amplitude value, and is used for supplying power to preset high-power electric equipment in each carriage, wherein the first amplitude value can be 600V or other values, and the electric locomotive is used for intensively supplying power to the high-power electric equipment on the train, namely, an electric locomotive (such as HXD1D or HXD3D) with the train is used for intensively supplying power to the high-power electric equipment on the train;
the shaft end power generation device 200 is arranged on each carriage, is driven by an axle of the train to generate power so as to provide direct current with a second amplitude, and is used for supplying power to an electrical monitoring system and electrical equipment in the carriage corresponding to the shaft end power generation device; in the scheme, at least one shaft end power generation device 200 is arranged on each carriage, the shaft end power generation device is used for generating power under the driving of an axle of the train to obtain three-phase alternating current voltage, and the three-phase alternating current voltage is converted into direct current and output under the processing of an alternating current-direct current conversion module; in the scheme, the power supply of the electrical monitoring system and the electrical equipment in each carriage can be realized by adopting the shaft end power generation device;
in the technical scheme disclosed in the embodiment of the present application, one battery box may be configured in each carriage, a plurality of batteries are disposed in the battery box and used for storing and releasing electric energy, when the electric energy output by the shaft end power generation device 200 is excessive, multi-domain electric energy is stored, and when the shaft end power generation device 200 cannot meet the power consumption requirements of the electric monitoring system and the electric equipment connected thereto, the stored electric energy is output;
in the scheme, the comprehensive power source mainly realizes two functions, wherein the first function is to control the conduction state of a path between the electric locomotive 100 and the power supply of the preset high-power electric equipment in the carriage, and the second function is to control the electric locomotive 100 to supply power to the storage battery box 300 when the voltage of the storage battery box 300 is too low.
When the technical scheme disclosed by the embodiment of the application is adopted to supply power to a train, under the control of the comprehensive power supply 400, when power needs to be supplied to the preset high-power electric equipment, the electric locomotive 100 is controlled to be conducted with the preset high-power electric equipment, the electric locomotive is adopted to supply power to the preset high-power electric equipment, when power needs to be supplied to the electric monitoring system and the electric equipment in the carriage, the shaft end power generation device 200 is adopted to supply power to the electric monitoring system and the electric equipment, and a power supply mode combining the electric locomotive and the shaft end power generation device is adopted, so that the power consumption requirement of the train is met.
In the technical solution disclosed in the embodiment of the present application, since only one electric locomotive is provided in a train, in order to facilitate the electric locomotive to supply power to the high-power electric equipment in the train, and in order to facilitate routing and connection, referring to fig. 3, the train power supply system may further include: the distribution box group is arranged between the electric locomotive and the comprehensive power source, one distribution box group is arranged in each carriage, the distribution box group comprises a first distribution box arranged at the end part of the carriage close to one end of the electric locomotive and a second distribution box arranged at the end part of the carriage far away from one end of the electric locomotive, the input end of the first distribution box is used for being connected with the output end of the second distribution box of the previous carriage, the first output end of the first distribution box is used for being connected with the comprehensive power source, and the second output end of the first distribution box is used for being connected with the input end of the second distribution box in the distribution box group to which the first distribution box belongs. Of course, when the car is a car adjacent to the electric locomotive, the first end of the first trunk in the car adjacent to the electric locomotive is connected to the electric locomotive. In the scheme, in order to facilitate the introduction of the high-voltage treatment bus into the distribution box, in the scheme, a connector is arranged on the body of the distribution box, the high-voltage direct current bus is introduced into the distribution box through the connector, in the scheme, the high-voltage direct current bus is connected into the distribution box through the connector, the high-voltage direct current bus forms a vehicle body to penetrate through the first distribution box and the second distribution box, and is distributed to the integrated power supply, in the scheme, the distribution box mainly comprises a box body, a connector and a terminal row, the box body of the distribution box can be made of stainless steel or other materials, in order to facilitate the fixation, a plurality of connecting pieces can be arranged on the box body, and the distribution box can be connected to the bottom of a train or other installation positions through the connecting pieces, the connecting piece can be a lifting lug or other structures used for installation and fixation, at the moment, the junction box can be connected with the bottom of the carriage through the lifting lug, when the junction box is arranged at the bottom of the carriage, in order to facilitate the introduction of a high-voltage treatment bus into the carriage, in the scheme, one side, close to the carriage, of the box body of the junction box is provided with 3 or other openings, cables in the junction box are led out through pipe joints, in order to facilitate the fixation of the cables in the junction box, a binding wire frame and a terminal block mounting seat interface are reserved in the box body of the junction box, and the connection between the junction box and the high-voltage direct current bus can be realized through the terminal block on the terminal block mounting.
In the above scheme, in order to facilitate the user to overhaul the junction box, a box cover may be disposed at the bottom of the junction box (on the side away from the compartment of the similar vehicle), and after the box cover is opened, the user can observe the connection condition of the cable in the junction box.
In the technical solution disclosed in the embodiment of the present application, the type of the connector may be selected according to the user's needs, for example, in this solution, the types of the plug and the socket of the connector may be DL4 DC750/670T and DL4 DC750/670Z, respectively.
In the technical scheme disclosed in the embodiment of the application, the integrated power supply mainly realizes the charging of the storage battery box, the power supply of a vehicle control system load (such as the power supply) and the power supply control of the DC600V bus. In this scheme, the integrated power supply is provided with a power supply charger, the storage battery box is controlled to be charged through the power supply charger, specifically, the input end of the power supply charger is connected with the electric locomotive, the electric locomotive gets power, the power supply charger is used for pre-charging the storage battery box when the input voltage of the power supply charger is detected to be within a preset range, and the storage battery box is charged according to a preset curve after the pre-charging is completed. Referring to fig. 4, the power charger may include:
the pre-charging circuit 01 is connected with the electric locomotive at a first end and comprises a fuse, a voltage stabilizing resistor, a current limiting diode and a controllable diode, wherein the fuse, the voltage stabilizing resistor and the current limiting diode are sequentially connected in series, the input end of the fuse is used as the input end of the pre-charging circuit, and the controllable diode is connected with the voltage stabilizing resistor in parallel and used for short-circuiting the voltage stabilizing resistor when pre-charging is finished;
the capacitor support circuit 02, a first end of the capacitor support circuit is connected to a second end of the precharge circuit, in this embodiment, the capacitor support circuit may include: the circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first switch tube and a second switch tube, wherein the second capacitor is connected with the third capacitor in series, the fourth capacitor is connected with the fifth capacitor in series, the first switch tube is connected with the second switch tube in series, the first capacitor is connected with a series branch formed by the second capacitor and the third capacitor, a series branch formed by the fourth capacitor and the fifth capacitor, and a series branch formed by the first switch tube and the second switch tube in parallel;
a half-bridge resonant conversion circuit 03, a first end of the half-bridge resonant conversion circuit being connected to a second end of the capacitive support circuit;
the half-bridge resonant conversion circuit includes: the first inductor, the second inductor, the transformer, the sixth capacitor, the first diode, the second diode and the seventh capacitor; wherein a first end of the first inductor is connected to a common end of the second capacitor and the third capacitor, a second end of the first inductor is connected to a second end of a primary coil of the transformer, a first end of a secondary coil of the transformer is connected to a first end of the sixth capacitor, a third end of a secondary coil of the transformer is connected to a second end of the sixth capacitor, a first end of the second inductor is connected to a second end of a secondary coil of the transformer, a second end of the second inductor is connected to a negative electrode of the seventh capacitor, a positive electrode of the seventh capacitor is connected to a first end and a second end of the sixth capacitor, the first diode is disposed between the first end of the sixth capacitor and the first end of the seventh capacitor, the second diode is disposed between the second end of the sixth capacitor and the first end of the seventh capacitor, and the first end of the seventh capacitor is also used for being connected with the preset high-power electric equipment.
A storage battery charging control circuit 04, a first end of the storage battery charging control circuit being connected to a second end of the half-bridge resonant conversion circuit, and a second end of the storage battery charging control circuit being connected to the storage battery box;
the battery charge control circuit includes: the third switch tube, the third inductor and the third diode are sequentially connected in series, one end, which is not connected with the third inductor, of the third switch tube is connected with the first end of the seventh capacitor, one end, which is not connected with the third inductor, of the third diode is connected with the storage battery box, the fourth diode is connected with the first resistor in series, the first end of the eighth capacitor is connected with the common end of the third inductor and the third diode, and one end, which is not connected with the fourth resistor, of the fourth diode is connected with the common end of the third inductor and the third diode.
In the technical solution disclosed in the embodiment of the present application, the integrated power supply may further include: a bus power supply control circuit; the input end of the bus power supply control circuit is connected with the electric locomotive, and the output end of the bus power supply control circuit is connected with the preset high-power electric equipment and used for controlling the power-on state of the preset high-power electric equipment.
Referring to fig. 5, the bus power supply control circuit includes:
a first power supply control contactor 11, a first end of which is connected with the electric locomotive;
a first main control switch 13, a first end of which is connected to a second end of the first power supply control contactor, and a second end of which is connected to the preset high-power electric equipment;
a voltage detection sensor 12 disposed between the first main control switch and the power supply control contactor;
a current detection sensor 14, which is arranged between the first main control switch and the preset high-power electric equipment;
and the insulation detection device 15 is arranged between the first main control switch and the preset high-power electric equipment.
According to the scheme, the bus power supply control circuit mainly comprises a control air switch, a power supply control contactor, a voltage detection sensor, a current detection sensor and an insulation detection device. The locomotive high-voltage direct-current power supply bus is distributed to a bus power supply control circuit through the distribution box, a molded case circuit breaker (a first power supply control contactor) Q1 is closed during power supply, and the power supply control circuit can be disconnected during abnormal or stopped power supply under a vehicle. The first main control switch KM1 is a power supply conversion contactor, the first main control switch KM1 is a power supply conversion contactor which is interlocked with a second main control switch KM2 mentioned below, only 1 main control switch is attracted in operation, meanwhile, the contactor can be controlled according to the working states of voltage and current, and when one path of the contactor has a fault, power supply conversion can be carried out, namely, the other path of main control switch is closed.
In addition, an online insulation detection device is further arranged in the bus power supply control circuit, when the bus is in poor insulation, the insulation detection device sends out a corresponding alarm control signal, and high-voltage direct-current power supply of the bus is cut off through a relay. The alarm control signal should be self-locking and must be restored to the initial state through operations such as power-off restart or reset.
Further, when first power supply control contactor or first master switch damage, can guarantee bus power supply control circuit normally works, in the above-mentioned circuit, can also include:
the first end of the second power supply control contactor is connected with the electric locomotive;
and a first end of the second main control switch is connected with a second end of the second power supply control contactor, and a second end of the second main control switch is connected with the preset high-power electric equipment.
Corresponding to the system, the application also discloses a train, and the train can comprise the train power supply system.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A train power supply system, comprising:
the electric locomotive is used for providing a direct current power supply with a first amplitude value and supplying power to preset high-power electric equipment in each carriage;
the shaft end power generation device is arranged on each carriage and is used for generating power under the driving of an axle of the train so as to provide direct current with a second amplitude and supplying power to an electrical monitoring system and electrical equipment in the carriage corresponding to the shaft end power generation device;
the first end of the storage battery box is connected with the shaft end power generation device, and the output end of the storage battery box is connected with the electrical monitoring system and the electrical equipment;
the first end of the comprehensive power supply is connected with the electric locomotive, the second end of the comprehensive power supply is connected with the storage battery box, and the third end of the comprehensive power supply is connected with the preset high-power electric equipment.
2. The train power supply system according to claim 1, further comprising:
the distribution box group is arranged between the electric locomotive and the comprehensive power supply, one distribution box group is arranged in each carriage, and the distribution box group comprises a first distribution box arranged at the end part of the carriage close to one end of the electric locomotive and a second distribution box arranged at the end part of the carriage far away from one end of the electric locomotive; the input end of the first branch box is used for being connected with the output end of the second branch box of the previous carriage, the first output end of the first branch box is used for being connected with the integrated power supply, and the second output end of the first branch box is used for being connected with the input end of the second branch box in the branch box group to which the first branch box belongs.
3. The train power supply system according to claim 2, wherein the distribution box is provided with a plurality of connectors, and the distribution box is mounted to the bottom of the train compartment through the connectors.
4. The train power supply system of claim 1, wherein the integrated power source comprises:
a power supply charger;
the input end of the power supply charger is connected with the electric locomotive and used for pre-charging the storage battery box when the input voltage is detected to be within a preset range, and the storage battery box is charged according to a preset curve after the pre-charging is completed.
5. The train power supply system of claim 4, wherein the power source charger comprises:
the first end of the pre-charging loop is connected with the electric locomotive;
a first end of the capacitor support circuit is connected with a second end of the pre-charging circuit;
a first end of the half-bridge resonant conversion circuit is connected with a second end of the capacitance support loop;
and the first end of the storage battery charging control circuit is connected with the second end of the half-bridge resonance conversion circuit, and the second end of the storage battery charging control circuit is connected with the storage battery box.
6. The train power supply system of claim 1, wherein the integrated power source comprises:
a bus power supply control circuit;
the input end of the bus power supply control circuit is connected with the electric locomotive, and the output end of the bus power supply control circuit is connected with the preset high-power electric equipment and used for controlling the power-on state of the preset high-power electric equipment.
7. The train power supply system of claim 6, wherein the bus power supply control circuit comprises:
the first end of the first power supply control contactor is connected with the electric locomotive;
a first end of the first main control switch is connected with a second end of the first power supply control contactor, and a second end of the first main control switch is connected with the preset high-power electric equipment;
a voltage detection sensor disposed between the first master switch and the power supply control contactor;
the current detection sensor is arranged between the first main control switch and the preset high-power electric equipment;
and the insulation detection device is arranged between the first main control switch and the preset high-power electric equipment.
8. The train power supply system of claim 7, wherein the bus power supply control circuit further comprises:
the first end of the second power supply control contactor is connected with the electric locomotive;
and a first end of the second main control switch is connected with a second end of the second power supply control contactor, and a second end of the second main control switch is connected with the preset high-power electric equipment.
9. A train comprising a train power supply system according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179885.8A CN112319223B (en) | 2020-10-29 | 2020-10-29 | Train power supply system and train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179885.8A CN112319223B (en) | 2020-10-29 | 2020-10-29 | Train power supply system and train |
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| CN112319223A true CN112319223A (en) | 2021-02-05 |
| CN112319223B CN112319223B (en) | 2021-11-09 |
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| PL326966A1 (en) * | 1997-07-03 | 1999-01-04 | Gec Alsthom Transport Sa | Railway traction unit and electric train incorporating such traction unit |
| CN105189187A (en) * | 2013-04-18 | 2015-12-23 | 株式会社东芝 | Electric locomotive control device and electric locomotive control method |
| US20160264152A1 (en) * | 2016-05-18 | 2016-09-15 | Electro-Motive Diesel, Inc. | Locomotive assembly |
| CN205811637U (en) * | 2016-03-07 | 2016-12-14 | 成都优立科科技有限公司 | A kind of railway freight-car electric power system |
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2020
- 2020-10-29 CN CN202011179885.8A patent/CN112319223B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL326966A1 (en) * | 1997-07-03 | 1999-01-04 | Gec Alsthom Transport Sa | Railway traction unit and electric train incorporating such traction unit |
| EP0888944A1 (en) * | 1997-07-03 | 1999-01-07 | Gec Alsthom Transport Sa | Set of railway wagons and electrically driven train with such a set |
| CN105189187A (en) * | 2013-04-18 | 2015-12-23 | 株式会社东芝 | Electric locomotive control device and electric locomotive control method |
| CN205811637U (en) * | 2016-03-07 | 2016-12-14 | 成都优立科科技有限公司 | A kind of railway freight-car electric power system |
| US20160264152A1 (en) * | 2016-05-18 | 2016-09-15 | Electro-Motive Diesel, Inc. | Locomotive assembly |
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| CN112319223B (en) | 2021-11-09 |
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