CN-118289047-B - Hydrogen energy locomotive ventilation system, control method and device and related equipment

CN118289047BCN 118289047 BCN118289047 BCN 118289047BCN-118289047-B

Abstract

The disclosure provides a ventilation system, a control method, a device and related equipment of a hydrogen energy locomotive, and relates to the technical field of hydrogen energy locomotives. The ventilation system comprises a ventilation device, a delay switch circuit and a control device, wherein the ventilation device is used for ventilating a hydrogen storage room of a hydrogen energy locomotive, the delay switch circuit is connected between a first power supply circuit of the hydrogen energy locomotive and a second power supply circuit of the ventilation device and is used for switching from an open state to a closed state under the condition that the first power supply circuit is conducted and then switching to the open state after a preset time period is prolonged, the second power supply circuit is in the conducting state under the condition that the delay switch circuit is in the conducting state, and the control device is connected with the second power supply circuit and is used for controlling the second power supply circuit to be in the conducting or the open state after the delay switch circuit is switched from the closed state to the open state. According to the ventilation system, risk hidden danger caused by hydrogen leakage of the hydrogen energy locomotive is reduced, and reliable guarantee is provided for safe operation of the hydrogen energy locomotive.

Inventors

HAN BING
LI JIE
WANG DAWEI
HAN ZHIYE
WANG XIN

Assignees

中车大同电力机车有限公司

Dates

Publication Date: 20260505
Application Date: 20240509

Claims (12)

1. A hydrogen energy locomotive ventilation system, comprising: The ventilation device is used for ventilating the hydrogen storage room of the hydrogen energy locomotive; The delay switch circuit is connected between a first power supply circuit of the hydrogen energy locomotive and a second power supply circuit of the ventilation device and is used for switching from an open state to a closed state when the first power supply circuit is conducted and switching to the open state after lasting for a preset period of time, wherein the second power supply circuit is in the open state when the delay switch circuit is in the open state, and the second power supply circuit is in the conducting state when the delay switch circuit is in the conducting state; The control device is connected with the second power supply circuit and is used for controlling the second power supply circuit to be in a conducting state or a disconnecting state after the delay switch circuit is switched from a closing state to a disconnecting state; The delay switch circuit comprises a first relay and a second relay, wherein the first relay is connected between the first power supply circuit and the second relay, the second relay is connected between the second power supply circuit and the ventilation device, and the first relay is used for switching from an off state to an on state under the condition that the first power supply circuit is conducted so as to trigger the second relay to switch from the off state to the on state; The first relay comprises a first relay coil component and a first relay contact switch, the second relay comprises a second relay coil component and a second relay contact switch, the first end of the first relay coil component is connected with the positive electrode end of the first power supply circuit, the second end of the first relay coil component is connected with the negative electrode end of the first power supply circuit, the first end of the first relay contact switch is connected with the positive electrode end of the first power supply circuit, the second end of the first relay contact switch is connected with the first end of the second relay coil component, the second end of the second relay coil component is connected with the negative electrode end of the first power supply circuit, and the second relay contact switch is connected between the second power supply circuit and the ventilation device.
2. The hydrogen energy locomotive ventilation system of claim 1, wherein the first power supply circuit provides direct current and the second power supply circuit comprises a first ventilation power supply circuit comprising a power conversion module for converting the direct current provided by the first power supply circuit into alternating current to power the ventilation device.
3. The hydrogen powered locomotive ventilation system of claim 2 wherein the second power supply circuit further comprises a second ventilation power supply circuit for providing alternating current to the ventilation device for powering the ventilation device.
4. The hydrogen-powered locomotive ventilation system of claim 3, the hydrogen energy locomotive ventilation system is characterized by further comprising: The manual switch is connected with the control device; The control device is further used for monitoring the switching state of the manual switch, monitoring whether the power supply state of the second ventilation power supply circuit is normal or not when the manual switch is in the closed state, controlling the second ventilation power supply circuit to supply power to the ventilation device if the power supply state of the second ventilation power supply circuit is normal, and controlling the first ventilation power supply circuit to supply power to the ventilation device if the power supply state of the second ventilation power supply circuit is abnormal.
5. The hydrogen energy locomotive ventilation system of claim 4, further comprising a control circuit comprising a third relay, a fourth relay, and a fifth relay; the third relay is connected with the control device and is used for enabling the second ventilation power supply circuit to be in a conducting state by controlling the conduction of the fourth relay when the manual switch is in a closed state and the power supply state of the second ventilation power supply circuit is normal; the fifth relay is connected with the control device and is used for controlling the conduction of the second relay to enable the first ventilation power supply circuit to be in a conduction state when the manual switch is in a closed state and the power supply state of the second ventilation power supply circuit is abnormal.
6. The hydrogen energy locomotive ventilation system of claim 5, wherein the third relay comprises a third relay coil component and a third relay contact switch corresponding to the third relay coil component, the fourth relay comprises a fourth relay coil component and a fourth relay contact switch corresponding to the fourth relay coil component, the fifth relay comprises a fifth relay coil component and a fifth relay contact switch corresponding to the fifth relay coil component; The first end of the manual switch is connected with the positive electrode end of the first power supply circuit, and the second end of the manual switch is connected with the control device; the first end of the third relay coil component is connected with the control device, and the second end of the third relay coil component is connected with the negative electrode end of the first power supply circuit; The first end of the third relay contact switch is connected with the positive electrode end of the first power supply circuit, the second end of the third relay contact switch is connected with the first end of the fourth relay coil component, the second end of the fourth relay coil component is connected with the negative electrode end of the first power supply circuit, and the first end and the second end of the fourth relay contact switch are respectively connected with the ventilation device and the second ventilation power supply circuit; the first end of the fifth relay coil component is connected with the control device, and the second end of the fifth relay coil component is connected with the negative electrode end of the first power supply circuit; The first end of the fifth relay contact switch is connected with the positive electrode end of the first power supply circuit, and the second end of the fifth relay contact switch is respectively connected with the second end of the first relay contact switch, the power conversion module and the first end of the second relay coil component.
7. The hydrogen locomotive ventilation system of claim 6, further comprising a hydrogen concentration measurement module coupled to the control device for measuring a hydrogen concentration value between the hydrogen reservoirs and transmitting the hydrogen concentration value to the control device; The control device is also used for: monitoring the hydrogen concentration value between the hydrogen storages; when the hydrogen concentration value is higher than a preset concentration value, the control device is also used for monitoring the power supply state of the second ventilation power supply circuit; When the power supply state of the second ventilation power supply circuit is normal, the control device is used for controlling the second ventilation power supply circuit to be in a conducting state; When the power supply state of the second ventilation power supply circuit is abnormal, the control device is used for controlling the first ventilation power supply circuit to be in a conducting state.
8. A method for controlling ventilation of a hydrogen-powered locomotive, applied to the ventilation system of a hydrogen-powered locomotive according to any one of claims 1 to 7, comprising: monitoring a power-on signal of the hydrogen energy locomotive, wherein the power-on signal is a signal sent under the condition that a first power supply circuit of the hydrogen energy locomotive is conducted; When the power-on signal of the hydrogen energy locomotive is monitored, the delay switch circuit is controlled to switch from an open state to a closed state, and after the preset duration, the delay switch circuit is switched to the open state again; And after the delay switch circuit is switched from the closed state to the open state, controlling the second power supply circuit to be in the on or off state.
9. A hydrogen-powered locomotive ventilation control apparatus for implementing the hydrogen-powered locomotive ventilation control method of claim 8, comprising: The power-on signal monitoring module is used for monitoring a power-on signal of the hydrogen energy locomotive, wherein the power-on signal is a signal sent under the condition that a first power supply circuit of the hydrogen energy locomotive is conducted; The delay switch module is used for controlling the delay switch circuit to switch from an open state to a closed state when the power-on signal of the hydrogen energy locomotive is monitored, and switching to the open state after the delay switch circuit is continuously kept for a preset time period; and the control module is used for controlling the second power supply circuit to be in a conducting state or an opening state after the delay switch circuit is switched from the closing state to the opening state.
10. An electronic device, comprising: processor, and A memory for storing executable instructions of the processor; Wherein the processor is configured to perform the hydrogen energy locomotive ventilation control method of claim 8 via execution of the executable instructions.
11. A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the hydrogen energy locomotive ventilation control method of claim 8.
12. A computer program product comprising computer programs or instructions which when executed by a processor implement the hydrogen energy locomotive ventilation control method of claim 8.

Description

Hydrogen energy locomotive ventilation system, control method and device and related equipment Technical Field The disclosure relates to the technical field of hydrogen energy locomotives, and in particular relates to a ventilation system, a control method, a control device and related equipment of a hydrogen energy locomotive. Background Along with the diversification of energy sources and the enhancement of environmental protection, hydrogen energy sources are increasingly used as clean renewable energy sources in the field of transportation. Hydrogen fuel cell technology is considered a potential alternative to conventional fossil fuels, particularly in locomotives and other heavy duty vehicles. However, the characteristics of hydrogen itself, such as low density, high permeability, and flammability, present a number of challenges for storage and use. In hydrogen energy locomotives, safety management of the hydrogen storage space is particularly important. The leakage of hydrogen not only causes energy waste, but also can cause fire and explosion accidents. Therefore, how to provide an effective ventilation system is critical to maintaining the safety of hydrogen locomotives. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art. Disclosure of Invention The present disclosure provides a ventilation system, a control method, a device and related equipment for a hydrogen energy locomotive, which at least to some extent realize the safety problem of maintaining the hydrogen energy locomotive due to hydrogen leakage. Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure. According to one aspect of the present disclosure, there is provided a hydrogen energy locomotive ventilation system including a ventilation device for ventilating a hydrogen storage compartment of a hydrogen energy locomotive; The delay switch circuit is connected between the first power supply circuit of the hydrogen energy locomotive and the second power supply circuit of the ventilation device and is used for switching from an open state to a closed state under the condition that the first power supply circuit is conducted and switching to the open state after lasting for a preset period of time, wherein the second power supply circuit is in the open state under the condition that the delay switch circuit is in the open state, and the second power supply circuit is in the conducting state under the condition that the delay switch circuit is in the conducting state; and the control device is connected with the second power supply circuit and is used for controlling the second power supply circuit to be in a conducting state or an opening state after the delay switch circuit is switched from the closing state to the opening state. In some embodiments, the delay switch circuit comprises a first relay and a second relay; the first relay is connected between the first power supply circuit and the second relay; The second relay is connected between the second power supply circuit and the ventilation device; The first relay is used for switching from an off state to an on state under the condition that the first power supply circuit is conducted so as to trigger the second relay to switch from the off state to the on state. In some embodiments, the first relay includes a first relay coil component and a first relay contact switch; the second relay includes a second relay coil part and a second relay contact switch; The first end of the first relay coil component is connected with the positive electrode end of the first power supply circuit, and the second end of the first relay coil component is connected with the negative electrode end of the first power supply circuit; The first end of the first relay contact switch is connected with the positive electrode end of the first power supply circuit, and the second end of the first relay contact switch is connected with the first end of the second relay coil component; the second end of the second relay coil component is connected with the negative electrode end of the first power supply circuit; And the second relay contact switch is connected between the second power supply circuit and the ventilation device. In some embodiments, the first power supply circuit provides direct current, and the second power supply circuit comprises a first ventilation power supply circuit, wherein the first ventilation power supply circuit comprises a power conversion module for converting the direct current provided by the first power supply circuit into alternating current to power the ventilation device. In some embodiments, the second power supply circuit further comprises a se