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CN-121990008-A - Rail transit vehicle driving method and device

CN121990008ACN 121990008 ACN121990008 ACN 121990008ACN-121990008-A

Abstract

The application provides a rail transit vehicle driving method and device, and relates to the technical field of rail transit. When the method is executed, the current operation section type of the rail transit vehicle is firstly obtained, wherein the operation section type comprises an electrified section and a non-electrified section, if the operation section type is the electrified section, the rail transit vehicle is driven by adopting a contact network power supply mode, and if the operation section type is the non-electrified section, whether a preset condition is met or not is judged, wherein the preset condition is met. The method comprises the steps that a high-voltage system and an internal combustion power pack are fault-free, the current area of a rail transit vehicle is not a target preset area, if the preset condition is met, the rail transit vehicle is driven by adopting a power pack and power battery pack cooperative power supply mode, and if the preset condition is not met, the rail transit vehicle is driven by adopting the power battery pack power supply mode. Therefore, the driving modes of the rail transit vehicle are switched according to different running scenes.

Inventors

  • Hu Gongjue
  • WANG JIANCHAO
  • LEI ZHIHUI
  • ZHANG XINPENG

Assignees

  • 中车长春轨道客车股份有限公司

Dates

Publication Date
20260508
Application Date
20260214

Claims (10)

  1. 1. A rail transit vehicle driving method, characterized by comprising: the current operation section type of the rail transit vehicle is obtained, wherein the operation section type comprises an electrified section and a non-electrified section; if the type of the operation section is the electrified section, driving the rail transit vehicle by adopting a contact net power supply mode; If the type of the running section is the non-electrified section, judging whether preset conditions are met, wherein the preset conditions are that a high-voltage system and an internal combustion power pack have no faults, and the current area of the rail transit vehicle is not a target preset area; If the preset condition is met, driving the rail transit vehicle by adopting a cooperative power supply mode of an internal combustion power pack and a power battery pack; and if the preset condition is not met, driving the rail transit vehicle by adopting a power battery pack power supply mode.
  2. 2. The method of claim 1, wherein said driving the rail transit vehicle in a catenary power mode comprises: controlling the pantograph to access the contact net so as to obtain electric energy; And sequentially controlling the main break, the traction transformer and the four-phase rectifier to process the acquired electric energy and transmit the electric energy to the traction inverter so as to drive the rail transit vehicle.
  3. 3. The method of claim 2, wherein after the rail transit vehicle is driven in a catenary power mode, the method further comprises: and controlling an auxiliary converter to supply power by using the acquired electric energy so as to supply power for auxiliary equipment of the vehicle.
  4. 4. The method of claim 1, wherein driving the rail transit vehicle in the internal combustion power pack and power battery co-fed mode comprises: controlling the internal combustion power pack to work so as to output electric energy; Controlling a four-phase rectifier to process the electric energy output by the internal combustion power pack to obtain processed electric energy; controlling the power battery pack to obtain electric energy through DC/DC conversion; and controlling the traction inverter to cooperatively supply power by using the processed electric energy and the converted electric energy so as to drive the rail transit vehicle.
  5. 5. The method of claim 4, wherein after driving the rail transit vehicle in the internal combustion power pack and power battery co-fed mode, the method further comprises: and controlling an auxiliary converter to cooperatively supply power by using the processed electric energy and the converted electric energy so as to supply power for auxiliary equipment of the vehicle.
  6. 6. The method of claim 1, wherein said driving the rail transit vehicle in a power battery pack power mode comprises: controlling the power battery pack to obtain electric energy through DC/DC conversion; and controlling the traction inverter to supply power by using the converted electric energy so as to drive the rail transit vehicle.
  7. 7. The method of claim 6, wherein after driving the rail transit vehicle in the power battery pack power mode, the method further comprises: and controlling an auxiliary converter to supply power by using the converted electric energy so as to supply power for auxiliary equipment of the vehicle.
  8. 8. A rail transit vehicle drive apparatus, comprising: The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring the current operation section type of the rail transit vehicle, wherein the operation section type comprises an electrified section and a non-electrified section; the first driving module is used for driving the rail transit vehicle by adopting a contact net power supply mode if the type of the operation section is the electrified section; The judging module is used for judging whether preset conditions are met or not if the type of the running section is the non-electrified section, wherein the preset conditions are that a high-voltage system and an internal combustion power pack have no faults, and the current area of the rail transit vehicle is not a target preset area; the second driving module is used for driving the rail transit vehicle by adopting a cooperative power supply mode of an internal combustion power pack and a power battery pack if the preset condition is met; And the third driving module is used for driving the rail transit vehicle by adopting a power battery pack power supply mode if the preset condition is not met.
  9. 9. A rail transit vehicle comprising a processor, a memory and a computer program stored on the memory and operable on the processor, the processor implementing the rail transit vehicle driving method according to any one of claims 1-8 when executing the computer program.
  10. 10. A controller for performing the rail transit vehicle driving method according to any one of claims 1 to 8.

Description

Rail transit vehicle driving method and device Technical Field The application relates to the technical field of rail transit, in particular to a rail transit vehicle driving method and device. Background Along with the acceleration of the urban process and the integrated development of regional traffic, the running scene of the rail transit vehicle is increasingly complex, the rail transit vehicle is required to run on urban road sections with dense population and also to shuttle to suburban road sections, and meanwhile, partial lines are connected with electrified railways and non-electrified railways. In this context, rail transit vehicles of a single power source have been difficult to meet diversified operating requirements. Although the diesel powered vehicle can run on a non-electrified road section, the diesel powered vehicle has the problems of high noise and serious tail gas pollution during urban running, has higher fuel consumption rate, and can not independently run on the non-electrified road section due to the fact that the pure electric vehicle depends on electrified railway power supply. In summary, how to switch the driving modes of the rail transit vehicle according to different operation scenarios is a problem that needs to be solved by those skilled in the art. Disclosure of Invention In view of the above, the application provides a method and a device for driving rail transit vehicles, which aim to switch the driving modes of the rail transit vehicles according to different operation scenes. In a first aspect, the present application provides a rail transit vehicle driving method, including: the current operation section type of the rail transit vehicle is obtained, wherein the operation section type comprises an electrified section and a non-electrified section; if the type of the operation section is the electrified section, driving the rail transit vehicle by adopting a contact net power supply mode; If the type of the running section is the non-electrified section, judging whether preset conditions are met, wherein the preset conditions are that a high-voltage system and an internal combustion power pack have no faults, and the current area of the rail transit vehicle is not a target preset area; If the preset condition is met, driving the rail transit vehicle by adopting a cooperative power supply mode of an internal combustion power pack and a power battery pack; and if the preset condition is not met, driving the rail transit vehicle by adopting a power battery pack power supply mode. Optionally, the driving the rail transit vehicle by adopting a catenary power supply mode includes: controlling the pantograph to access the contact net so as to obtain electric energy; And sequentially controlling the main break, the traction transformer and the four-phase rectifier to process the acquired electric energy and transmit the electric energy to the traction inverter so as to drive the rail transit vehicle. Optionally, after the rail transit vehicle is driven by adopting the catenary power supply mode, the method further includes: and controlling an auxiliary converter to supply power by using the acquired electric energy so as to supply power for auxiliary equipment of the vehicle. Optionally, the driving the rail transit vehicle in the cooperative power supply mode of the internal combustion power pack and the power battery pack includes: controlling the internal combustion power pack to work so as to output electric energy; Controlling a four-phase rectifier to process the electric energy output by the internal combustion power pack to obtain processed electric energy; controlling the power battery pack to obtain electric energy through DC/DC conversion; and controlling the traction inverter to cooperatively supply power by using the processed electric energy and the converted electric energy so as to drive the rail transit vehicle. Optionally, after the rail transit vehicle is driven in the internal combustion power pack and power battery pack cooperative power supply mode, the method further includes: and controlling an auxiliary converter to cooperatively supply power by using the processed electric energy and the converted electric energy so as to supply power for auxiliary equipment of the vehicle. Optionally, the driving the rail transit vehicle in the power battery pack power supply mode includes: controlling the power battery pack to obtain electric energy through DC/DC conversion; and controlling the traction inverter to supply power by using the converted electric energy so as to drive the rail transit vehicle. Optionally, after the rail transit vehicle is driven in the power battery pack power supply mode, the method further includes: and controlling an auxiliary converter to supply power by using the converted electric energy so as to supply power for auxiliary equipment of the vehicle. In a second aspect, the present application provides a rail transit vehicle drive app