CN-122002751-A - Converter cooling fan control method, system and computer readable storage medium

Abstract

The application discloses a control method, a system and a computer readable storage medium of a radiator fan of a converter, which relate to the technical field of converters, wherein the radiator fan is jointly controlled by a traction control unit and an auxiliary control unit, the traction control unit controls the heat dissipation fan according to the temperature of the traction converter module and the interaction data with the auxiliary control unit, and the auxiliary control unit controls the heat dissipation fan according to the temperature of the auxiliary converter module and the interaction data with the traction control unit. Therefore, the heat dissipation requirements of the traction converter module and the auxiliary converter module can be met, the probability of overtemperature faults of the traction converter module and the auxiliary converter module is reduced, and the availability and reliability of the main-auxiliary integrated converter are improved.

Inventors

• JI ANHUI
• CHENG JUN
• XIONG YAN
• CHEN ZHOUMING
• CHEN MINGFENG
• ZHU XIANGRONG
• ZHANG HUICHUAN
• ZOU JIE
• XIANG WENFENG

Assignees

• 株洲中车时代电气股份有限公司

Dates

Publication Date

20260508

Application Date

20241107

Claims (16)

1. 1. The control method of the converter cooling fan is characterized by being applied to a traction control unit and comprising the following steps of: the auxiliary control unit is used for controlling the fan according to the temperature of the auxiliary converter module; Determining a control target of the auxiliary control unit according to fan control data of the auxiliary control unit; If the control target of the auxiliary control unit is to control the fan to run at the first rotation speed, outputting a first rotation speed control instruction, wherein the first rotation speed control instruction is used for controlling the fan to run at the first rotation speed; if the control target of the auxiliary control unit is to control the fan to run at a second rotating speed, determining the control target according to the temperature of the traction converter module and outputting a corresponding control instruction, wherein the second rotating speed is smaller than the first rotating speed.
2. 2. The method for controlling a radiator fan of a converter according to claim 1, wherein the obtaining fan control data of the auxiliary control unit includes: and acquiring fan control data of the auxiliary control unit by communicating with the auxiliary control unit.
3. 3. The method of controlling a heat dissipation fan of a converter according to claim 2, further comprising: Judging whether communication with the auxiliary control unit is normal or not; and if the communication with the auxiliary control unit is normal, acquiring fan control data of the auxiliary control unit through communication with the auxiliary control unit.
4. 4. The method for controlling a heat dissipation fan of a converter according to claim 3, further comprising: And outputting a first rotational speed control instruction if the communication with the auxiliary control unit is abnormal.
5. 5. The method for controlling a heat dissipation fan of a converter according to claim 3, further comprising: If the communication with the auxiliary control unit is abnormal, determining a control target according to the temperature of the traction converter module and outputting a corresponding control instruction.
6. 6. The method for controlling a radiator fan of a converter according to claim 1, wherein the obtaining fan control data of the auxiliary control unit includes: The auxiliary control unit is communicated with the train control system to transmit the fan control data of the auxiliary control unit to the train control system.
7. 7. The method for controlling a radiator fan of a converter according to claim 1, further comprising: Judging whether the fan state feedback is normal or not; if not, reporting the fan fault.
8. 8. The control method of the converter cooling fan is characterized by being applied to an auxiliary control unit and comprising the following steps of: The method comprises the steps of obtaining fan control data of a traction control unit, wherein the traction control unit controls a fan according to the temperature of a traction converter module; Determining a control target of the traction control unit according to fan control data of the traction control unit; If the control target of the traction control unit is to control the fan to run at the first rotation speed, outputting a first rotation speed control instruction, wherein the first rotation speed control instruction is used for controlling the fan to run at the first rotation speed; If the control target of the traction control unit is to control the fan to run at a second rotating speed, determining the control target according to the temperature of the auxiliary converter module and outputting a corresponding control instruction, wherein the second rotating speed is smaller than the first rotating speed.
9. 9. The method of claim 8, wherein the obtaining fan control data of the traction control unit comprises: And acquiring fan control data of the traction control unit by communicating with the traction control unit.
10. 10. The method of controlling a heat dissipation fan of a converter according to claim 9, further comprising: Judging whether communication with the traction control unit is normal or not; and if the communication with the traction control unit is normal, acquiring fan control data of the traction control unit through communication with the traction control unit.
11. 11. The method of controlling a heat dissipation fan for a converter according to claim 10, further comprising: and outputting a first rotation speed control instruction if the communication with the traction control unit is abnormal.
12. 12. The method of controlling a heat dissipation fan for a converter according to claim 10, further comprising: If the communication with the traction control unit is abnormal, determining a control target according to the temperature of the auxiliary converter module and outputting a corresponding control instruction.
13. 13. The method of claim 8, wherein the obtaining fan control data of the traction control unit comprises: The traction control unit is communicated with the train control system to transmit the fan control data of the traction control unit to the train control system.
14. 14. The method of controlling a heat dissipation fan of a converter according to claim 8, further comprising: Judging whether the fan state feedback is normal or not; if not, reporting the fan fault.
15. 15. A converter cooling fan control system, comprising: A traction control unit and an auxiliary control unit; The traction control unit is used for acquiring fan control data of the auxiliary control unit, controlling the fan according to the temperature of the auxiliary converter module by the auxiliary control unit, determining a control target of the auxiliary control unit according to the fan control data of the auxiliary control unit, outputting a first rotation speed control instruction if the control target of the auxiliary control unit is used for controlling the fan to run at a first rotation speed, controlling the fan to run at the first rotation speed if the control target of the auxiliary control unit is used for controlling the fan to run at a second rotation speed, determining the control target according to the temperature of the auxiliary converter module and outputting a corresponding control instruction, wherein the second rotation speed is smaller than the first rotation speed; The auxiliary control unit is used for acquiring fan control data of the traction control unit, the traction control unit controls the fan according to the temperature of the traction converter module, the control target of the traction control unit is determined according to the fan control data of the traction control unit, if the control target of the traction control unit is used for controlling the fan to operate at a first rotating speed, a first rotating speed control command is output, the first rotating speed control command is used for controlling the fan to operate at the first rotating speed, if the control target of the traction control unit is used for controlling the fan to operate at a second rotating speed, the control target is determined according to the temperature of the auxiliary converter module, the corresponding control command is output, and the second rotating speed is smaller than the first rotating speed.
16. 16. A computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, implements the steps of the converter radiator fan control method of any one of claims 1 to 7 or the steps of the converter radiator fan control method of any one of claims 8 to 14.

Description

Converter cooling fan control method, system and computer readable storage medium Technical Field The application relates to the technical field of converters, in particular to a method and a system for controlling a heat dissipation fan of a converter and a computer readable storage medium. Background The main and auxiliary integrated converters integrate the traction converter with the auxiliary converter. The main and auxiliary integrated converter comprises a traction converter module, an auxiliary converter module, a traction control unit, an auxiliary control unit cooling fan and other devices. The traction converter module and the auxiliary converter module are cooled by the same cooling fan. The heat radiation fan is controlled by the traction control unit. The heat dissipation fan usually adopts a double-speed fan and is realized through an external control circuitAnd/Y connection, thereby realizing the switching of the low-speed and high-speed working modes. However, the traction control unit controls the cooling fan according to the working temperature of the traction converter, and the auxiliary converter module can only be passively cooled. When the load of the traction converter module is low and the load of the auxiliary converter module is high, the auxiliary converter module is prone to overtemperature faults. When the traction control unit fails, the cooling fan cannot work, and the auxiliary converter module cannot work. Therefore, how to solve the above technical defects has become a technical problem to be solved by those skilled in the art. Disclosure of Invention The application aims to provide a control method, a control system and a computer readable storage medium for a converter cooling fan, which can meet the cooling requirements of a traction converter module and an auxiliary converter module, reduce the probability of overtemperature faults of the traction converter module and the auxiliary converter module, and improve the availability and reliability of a main and auxiliary integrated converter. In order to solve the technical problems, the application provides a control method of a heat dissipation fan of a converter, which is applied to a traction control unit and comprises the following steps: the auxiliary control unit is used for controlling the fan according to the temperature of the auxiliary converter module; Determining a control target of the auxiliary control unit according to fan control data of the auxiliary control unit; If the control target of the auxiliary control unit is to control the fan to run at the first rotation speed, outputting a first rotation speed control instruction, wherein the first rotation speed control instruction is used for controlling the fan to run at the first rotation speed; if the control target of the auxiliary control unit is to control the fan to run at a second rotating speed, determining the control target according to the temperature of the traction converter module and outputting a corresponding control instruction, wherein the second rotating speed is smaller than the first rotating speed. In some embodiments, the acquiring fan control data of the auxiliary control unit includes: and acquiring fan control data of the auxiliary control unit by communicating with the auxiliary control unit. In some embodiments, further comprising: Judging whether communication with the auxiliary control unit is normal or not; and if the communication with the auxiliary control unit is normal, acquiring fan control data of the auxiliary control unit through communication with the auxiliary control unit. In some embodiments, further comprising: And outputting a first rotational speed control instruction if the communication with the auxiliary control unit is abnormal. In some embodiments, further comprising: If the communication with the auxiliary control unit is abnormal, determining a control target according to the temperature of the traction converter module and outputting a corresponding control instruction. In some embodiments, the acquiring fan control data of the auxiliary control unit includes: The auxiliary control unit is communicated with the train control system to transmit the fan control data of the auxiliary control unit to the train control system. In some embodiments, further comprising: Judging whether the fan state feedback is normal or not; if not, reporting the fan fault. In order to solve the technical problem, the application also provides a control method of the converter cooling fan, which is applied to the auxiliary control unit and comprises the following steps: The method comprises the steps of obtaining fan control data of a traction control unit, wherein the traction control unit controls a fan according to the temperature of a traction converter module; Determining a control target of the traction control unit according to fan control data of the traction control unit; If the control target of the traction control u