阅读说明：本技术 燃料供应系统及控制方法和控制装置、车辆和介质 (Fuel supply system, control method and control device, vehicle and medium ) 是由 彭炼 洪超 王志民 于 2021-08-30 设计创作，主要内容包括：本发明提供了一种燃料供应系统及控制方法和控制装置、车辆和介质。其中,燃料供应系统包括燃料瓶阀和管路,其中,燃料瓶阀与管路连接,燃料供应系统的控制方法包括：响应于燃料供应系统启动信号,控制燃料瓶阀开启第一预设时长,以向管路输送燃料；获取管路内的燃料值；根据燃料值,对燃料供应系统进行检测,生成检测结果；根据检测结果,控制燃料供应系统工作。本发明提供的技术方案通过对管路输送燃料后,再对燃料供应系统进行检测,以实现延迟进入故障判断流程,减少数据误差造成的误判,提高了检测结果的精准性。(The invention provides a fuel supply system, a control method and a control device, a vehicle and a medium. The fuel supply system comprises a fuel cylinder valve and a pipeline, wherein the fuel cylinder valve is connected with the pipeline, and the control method of the fuel supply system comprises the following steps: responding to a fuel supply system starting signal, and controlling the fuel bottle valve to open for a first preset time so as to deliver fuel to the pipeline; acquiring a fuel value in a pipeline; detecting the fuel supply system according to the fuel value to generate a detection result; and controlling the fuel supply system to work according to the detection result. According to the technical scheme provided by the invention, after the fuel is conveyed to the pipeline, the fuel supply system is detected, so that the fault judgment process is delayed, the misjudgment caused by data errors is reduced, and the accuracy of the detection result is improved.)

1. A control method of a fuel supply system, characterized in that the fuel supply system includes a fuel bottle valve and a pipe, wherein the fuel bottle valve is connected to the pipe, the control method of the fuel supply system comprising:

controlling the fuel bottle valve to open for a first preset duration in response to the fuel supply system start signal to deliver the fuel to the pipeline;

acquiring a fuel value in the pipeline;

detecting the fuel supply system according to the fuel value to generate a detection result;

and controlling the fuel supply system to work according to the detection result.

2. The method for controlling a fuel supply system according to claim 1, wherein the step of detecting the fuel supply system according to the fuel value and generating a detection result specifically comprises:

based on the fuel value being less than a first threshold, the fuel supply system is in a normal state;

based on the fuel value being greater than or equal to a first threshold, the fuel supply system is in an abnormal state.

3. The fuel supply system control method according to claim 2, wherein the step of controlling the operation of the fuel supply system based on the detection result specifically includes:

starting timing based on the fuel value being greater than or equal to the first threshold and smaller than a second threshold, and controlling the fuel supply system to be closed until the first timing duration reaches a second preset duration;

wherein the first threshold is less than the second threshold.

4. The method for controlling a fuel supply system according to claim 3, wherein the step of controlling the operation of the fuel supply system based on the detection result further includes:

controlling the fuel supply system to shut down based on the fuel value being greater than or equal to the second threshold.

5. The fuel supply system control method according to claim 1, wherein the step of detecting the fuel supply system based on the fuel value specifically includes:

and responding to the fuel supply system detection signal, delaying for a third preset time, and detecting the fuel supply system according to the fuel value.

6. The fuel supply system control method according to claim 1, characterized by further comprising:

controlling the fuel supply system to shut down in response to the fuel supply system emergency shut down signal;

and/or, in response to the fuel supply system normal shut-down signal, controlling the fuel supply system to shut down;

and/or controlling the fuel supply system to be closed after the fuel supply system is controlled to continuously run for a fourth preset time period in response to the abnormal fuel supply system closing signal.

7. The fuel supply system control method according to any one of claims 1 to 6,

the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen.

8. A control device of a fuel supply system, characterized in that the fuel supply system includes a fuel bottle valve and a pipe, wherein the fuel bottle valve is connected to the pipe, the control device of the fuel supply system comprising:

the first control module responds to the fuel supply system starting signal and controls the fuel bottle valve to be opened for a first preset time so as to convey the fuel to the pipeline;

the acquisition module is used for acquiring a fuel value in the pipeline;

the detection module detects the fuel supply system according to the fuel value to generate a detection result;

and the second control module is used for controlling the fuel supply system to work according to the detection result.

9. The control device of a fuel supply system according to claim 8,

the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen.

10. A fuel supply system, comprising:

a memory storing a program or instructions;

a processor connected to the memory, the processor implementing the control method of the fuel supply system according to any one of claims 1 to 7 when executing the program or instructions.

11. A vehicle, characterized by comprising:

the fuel supply system of claim 10, comprising a fuel supply controller for controlling opening and closing of the fuel bottle valve.

12. The vehicle of claim 11, further comprising:

and the vehicle controller is in communication connection with the fuel supply controller and is used for controlling the opening and closing of the fuel supply system.

13. The vehicle of claim 11, further comprising:

the fuel cell engine system comprises a fuel cell engine controller which is in communication connection with the fuel supply controller, and the fuel cell system controller is used for controlling the opening and closing of the fuel supply system.

14. A readable storage medium on which a program or instructions are stored, characterized in that the program or instructions, when executed by a processor, carry out the steps of the control method of a fuel supply system according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of vehicles, in particular to a fuel supply system, a control method and a control device, a vehicle and a medium.

Background

In the related technology, the hydrogen supply system starts self-checking after receiving a fuel cell system starting instruction sent by a vehicle controller, fault checking of the hydrogen supply system is carried out, at the moment, a cylinder valve is in a closed state, and due to the fact that the hydrogen supply system does not supply hydrogen for a long time, gas in a pipeline leaks slightly, the pressure and the temperature of the gas in the pipeline are abnormal, and faults are reported in a wrong mode.

Disclosure of Invention

The present invention is directed to solving at least the problems of the prior art or the related art.

To this end, a first aspect of the invention provides a control method of a fuel supply system.

The second aspect of the invention also provides a control device of a fuel supply system.

A third aspect of the present invention also provides a fuel supply system.

The fourth aspect of the invention also provides a vehicle.

The fifth aspect of the present invention also provides a readable storage medium.

In view of the above, a first aspect of the present invention provides a control method for a fuel supply system, the fuel supply system including a fuel bottle valve and a pipeline, wherein the fuel bottle valve is connected to the pipeline, the control method comprising: responding to a fuel supply system starting signal, and controlling the fuel bottle valve to open for a first preset time so as to deliver fuel to the pipeline; acquiring a fuel value in a pipeline; detecting the fuel supply system according to the fuel value to generate a detection result; and controlling the fuel supply system to work according to the detection result.

The invention provides a control method of a fuel supply system, which is used for the fuel supply system. And after a fuel supply system starting signal is received, namely the whole vehicle is electrified to wake up the fuel supply system, controlling the fuel bottle valve to be opened for a first preset time so as to convey the fuel in the fuel bottle to a pipeline. Further, after the fuel is delivered to the pipeline, the fuel value in the pipeline is obtained, the fuel supply system is detected according to the fuel value, whether the fuel supply system has a fault or not is determined, and then the fuel supply system is controlled to work according to the detection result.

Therefore, when the fuel supply system is awakened, fuel is conveyed into the pipeline, so that the fuel value in the pipeline is consistent with that of the fuel bottle, on one hand, the abnormal fuel value in the pipeline caused by the micro leakage of the fuel in the pipeline due to the long-time closing of the fuel supply system is avoided, the misjudgment caused by data errors is reduced, and the accuracy of the detection result of the fuel supply system is improved; on the other hand, whether the pipeline has leakage or not is determined while the fuel supply system is awakened, and then the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work so as to improve the running safety of the vehicle. Further, compared with the prior art in which the fuel supply system is waken up and then directly enters the self-checking process of the fuel supply system, the sensors, the controller and the like of the fuel supply system are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through carrying fuel to the pipeline after a period, detects fuel supply system again to realize delaying to get into the fault judgment flow, guarantee that the fuel value etc. in electric component, controller and the pipeline in the fuel supply system prepares fully, improved the accurate nature of testing result.

Specifically, the first preset time period range may be set to 2s to 6 s.

According to the control method of the fuel supply system provided by the invention, the following additional technical characteristics can be provided:

in the above technical solution, further, the step of detecting the fuel supply system according to the fuel value and generating a detection result specifically includes: based on the fuel value being less than the first threshold, the fuel supply system is in a normal state; the fuel supply system is in an abnormal state based on the fuel value being greater than or equal to the first threshold value.

In the technical scheme, a fuel supply system is detected according to a fuel value in a pipeline, and when the fuel value is smaller than a first threshold value, the fuel value in the pipeline is in a normal range, and at the moment, the fuel supply system is in a normal state; when the fuel value is larger than or equal to the first threshold value, the fuel value in the pipeline is higher, and the fuel supply system is in an abnormal state. According to the fuel supply system, after the pipeline is used for conveying the fuel, the fuel value in the pipeline is detected, whether the fuel supply system has a fault or not is judged, the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work, and the safety of fuel supply of the fuel supply system is guaranteed.

It will be appreciated that the first threshold is a preset fuel safety threshold. The fuel supply system is provided with a fuel bottle group, the fuel bottle group comprises at least one fuel bottle, and the first threshold value can be set according to the number of the fuel bottles contained in the fuel supply system, and the application is not particularly limited herein.

Specifically, the fuel value in the pipe includes a fuel pressure, a fuel temperature, and a fuel concentration, wherein the fuel pressure, the fuel temperature, and the fuel concentration respectively correspond to respective first threshold values, and when any one of the fuel pressure, the fuel temperature, and the fuel concentration is detected to be greater than the first threshold value, the fuel supply system is in an abnormal state.

In any of the above technical solutions, further, the step of controlling the operation of the fuel supply system according to the detection result specifically includes: starting timing based on the fuel value being greater than or equal to a first threshold and smaller than a second threshold, and controlling the fuel supply system to be closed until the first timing duration reaches a second preset duration; wherein the first threshold is less than the second threshold.

In the technical scheme, the fuel supply system is detected according to the fuel value in the pipeline, when the fuel value in the pipeline is detected to be larger than or equal to a first threshold value and smaller than a second threshold value, the fuel value in the pipeline is higher, namely the fuel supply system is in an abnormal state, timing is started, and when the first timing duration reaches a second preset duration, the fuel supply system is controlled to be closed. Further, when it is detected that the fuel value is between the first threshold and the second threshold, at which the degree of malfunction of the fuel supply system is low, the vehicle system determines whether the fuel value has an influence on other systems, and determines whether to control the fuel supply system to be shut down according to the degree of influence. Therefore, when the first timing duration does not reach the second preset duration, the fuel supply system closing signal is received, namely the fuel value is determined to influence other systems, and the fuel supply system is controlled to be closed. The fault degree of the fuel supply system is determined by detecting the fuel value in the pipeline, and then the fuel supply system is controlled to work in multiple modes according to the fault detection result, so that the running stability of the fuel supply system is ensured.

Wherein the second threshold is greater than the first threshold. The second threshold may be set according to the number of fuel bottles included in the fuel supply system, and the application is not particularly limited thereto.

Further, the range of the second preset duration may be set to 300s to 350 s.

In any of the above technical solutions, further, the step of controlling the operation of the fuel supply system according to the detection result specifically further includes: controlling the fuel supply system to be closed based on the fuel value being greater than or equal to the second threshold.

In the technical scheme, the fuel supply system is detected according to the fuel value in the pipeline, when the fuel value is detected to be larger than or equal to a second threshold value, the fuel value in the pipeline is over high at the moment, namely the fault degree of the fuel supply system is high, and the fuel supply system is controlled to be closed at the moment. The fault degree of the fuel supply system is determined by detecting the fuel value in the pipeline, and then the fuel supply system is controlled to work in multiple modes according to the fault detection result, so that the running stability of the fuel supply system is ensured.

In any of the above technical solutions, further, the step of detecting the fuel supply system according to the fuel value specifically includes: and responding to the fuel supply system detection signal, delaying for a third preset time, and detecting the fuel supply system according to the fuel value.

In the technical scheme, after the whole vehicle is powered on and the fuel supply system is awakened, because the fuel leakage sensor needs to be preheated for a period of time after being powered on, and communication delay is easy to occur at the moment of awakening of the fuel supply controller, after a detection signal of the fuel supply system is received and a third preset time is needed to be delayed, fault detection is carried out on the fuel supply system according to the fuel value in the pipeline. Compared with the prior art that the fuel supply system is awakened and then directly enters the self-checking process of the fuel supply system, the fuel supply system sensor, the controller and the like are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through delaying entering normal fault judgement flow after a period to guarantee among the fuel supply system fault diagnosis preparation such as electric parts such as sensor, controller communication signal and the fuel value in the pipeline abundant, improved the accuracy nature of fuel supply system testing result.

Wherein the third preset duration may range from 1s to 2 s.

Further, when a failure of other electrical components such as a sensor in the fuel supply system is detected during a failure detection of the fuel supply system, the fuel supply system is controlled to be shut down. And controlling the fuel supply system to be closed when detecting that the communication connection among the fuel supply controller, the vehicle controller and the fuel cell engine controller is abnormal. The comprehensive detection of the fuel supply system is ensured, and the safety of the fuel supply system operation is guaranteed.

In any of the above technical solutions, further, the control method of the fuel supply system further includes: controlling the fuel supply system to shut down in response to the fuel supply system emergency shut down signal; and/or, in response to a fuel supply system normal shut-down signal, controlling the fuel supply system to shut down; and/or controlling the fuel supply system to be closed after the fuel supply system is controlled to continuously operate for a fourth preset time period in response to the abnormal fuel supply system closing signal.

In the technical scheme, when the emergency closing signal of the fuel supply system is received, namely the fuel supply system is in a failure state and needs to be stopped suddenly, the fuel supply system is controlled to be closed, so that the fuel cylinder valve can be closed quickly. Further, when the whole vehicle stops, the whole vehicle can be powered off after the fuel cell system shutdown procedure is finished. When the fuel cell is shut down, the system needs to provide high pressure for internal purging to the fuel cell to clean up the residual water vapor, water droplets or fuel in the fuel cell system, so that the high pressure connection cannot be immediately interrupted when the fuel cell is shut down, and a waiting period is needed. And when a signal for normally closing the fuel supply system is received, indicating that the fuel cell performs normal shutdown purging, and controlling the fuel supply system to be closed. Further, the fuel cell stack is used for pulling out the key without waiting for the feedback of a shutdown signal of the vehicle in the process of using the vehicle, so that the whole vehicle is powered off when the fuel cell is not shut down and purged, the purging failure of the fuel cell is further caused, the water content of the fuel cell stack is too high, and the risk that the stack cannot be started is generated. Therefore, when the abnormal closing signal of the fuel supply system is received, which indicates that the fuel cell is not subjected to shutdown purging, the whole vehicle is powered off, at this time, the fuel supply system performs a delayed power-off measure, and the fuel supply system is closed after the fuel supply system is controlled to continuously run for the fourth preset time period, so that the fuel cell can be ensured to be subjected to shutdown purging, and the possibility of great loss to the vehicle is reduced.

Wherein the range of the fourth preset duration may be set to 3min to 5 min.

In any of the above solutions, further, the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen.

In this embodiment, the fuel supply system may be a hydrogen supply system, and the fuel value in the pipeline includes a hydrogen pressure, a hydrogen temperature, and a hydrogen concentration. After the hydrogen supply system is awakened after the whole vehicle is powered on, the hydrogen bottle valve is controlled to be opened for a period of time, hydrogen is sprayed into the pipeline, so that the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline are consistent with those in the hydrogen bottle, and the fault diagnosis is carried out on the hydrogen supply system according to the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline. On one hand, the problem that the pressure, the temperature and the concentration of hydrogen in a pipeline are abnormal due to the fact that a hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks is avoided, so that faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, when the hydrogen supply system is awakened after the whole vehicle is powered on, hydrogen is sprayed to the pipeline to detect whether air leakage exists in the pipeline, the risk point of the hydrogen supply loop can be predicted in advance before the fuel cell system starts to work, and the running safety of the vehicle is improved.

According to a second aspect of the present invention, there is provided a control device of a fuel supply system including a fuel bottle valve and a pipe, wherein the fuel bottle valve is connected to the pipe, the control device of the fuel supply system comprising: the first control module responds to a fuel supply system starting signal and controls the fuel bottle valve to be opened for a first preset time so as to convey fuel to the pipeline; the acquisition module is used for acquiring a fuel value in a pipeline; the detection module is used for detecting the fuel supply system according to the fuel value to generate a detection result; and the second control module is used for controlling the fuel supply system to work according to the detection result.

The invention provides a control device of a fuel supply system, which comprises a first control module, an acquisition module, a detection module and a second control module. Specifically, the control device of the fuel supply system is used for the fuel supply system, and the fuel supply system comprises a fuel bottle valve and a pipeline connected with the fuel bottle valve. After a fuel supply system starting signal is received, namely the whole vehicle is electrified to wake up the fuel supply system, the first control module controls the fuel bottle valve to be opened for a first preset time so as to convey fuel in the fuel bottle to a pipeline. Further, the acquisition module acquires a fuel value in the pipeline after the fuel is delivered to the pipeline. The detection module detects the fuel supply system according to the fuel value and determines whether the fuel supply system has a fault. The second control module controls the fuel supply system to work according to the detection result.

Therefore, when the fuel supply system is awakened, fuel is conveyed into the pipeline, so that the fuel value in the pipeline is consistent with that of the fuel bottle, on one hand, the abnormal fuel value in the pipeline caused by the micro leakage of the fuel in the pipeline due to the long-time closing of the fuel supply system is avoided, the misjudgment caused by data errors is reduced, and the accuracy of the detection result of the fuel supply system is improved; on the other hand, whether the pipeline has leakage or not is determined while the fuel supply system is awakened, and then the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work so as to improve the running safety of the vehicle. Further, compared with the prior art in which the fuel supply system is waken up and then directly enters the self-checking process of the fuel supply system, the sensors, the controller and the like of the fuel supply system are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through carrying fuel to the pipeline after a period, detects fuel supply system again to realize delaying to get into the fault judgment flow, guarantee that the fuel value etc. in electric component, controller and the pipeline in the fuel supply system prepares fully, improved the accurate nature of testing result.

Specifically, the first preset time period range may be set to 2s to 6 s.

In any of the above solutions, further, the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen.

In this embodiment, the fuel supply system may be a hydrogen supply system, and the fuel value in the pipeline includes a hydrogen pressure, a hydrogen temperature, and a hydrogen concentration. After the hydrogen supply system is awakened after the whole vehicle is powered on, the hydrogen bottle valve is controlled to be opened for a period of time, hydrogen is sprayed into the pipeline, so that the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline are consistent with those in the hydrogen bottle, and the fault diagnosis is carried out on the hydrogen supply system according to the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline. On one hand, the problem that the pressure, the temperature and the concentration of hydrogen in a pipeline are abnormal due to the fact that a hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks is avoided, so that faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, when the hydrogen supply system is awakened after the whole vehicle is powered on, hydrogen is sprayed to the pipeline to detect whether air leakage exists in the pipeline, the risk point of the hydrogen supply loop can be predicted in advance before the fuel cell system starts to work, and the running safety of the vehicle is improved.

According to a third aspect of the present invention, there is provided a fuel supply system comprising a memory storing a program or instructions; a processor connected with the memory, the processor being configured to implement the control method of the fuel supply system set forth in the first aspect when executing the program or the instructions. Therefore, the fuel supply system has all the advantages of the control method of the fuel supply system according to the first aspect, and will not be described herein again.

According to a fourth aspect of the present invention, there is provided a vehicle including the fuel supply system set forth in the third aspect, the fuel supply system including a fuel supply controller for controlling opening and closing of the fuel bottle valve.

The invention provides a vehicle comprising a fuel supply system, wherein the fuel supply system is provided with a fuel supply controller for controlling the opening and closing of a fuel bottle valve. When the vehicle is electrified to wake up the fuel supply controller, the fuel supply controller controls the fuel bottle valve to open for a period of time to deliver fuel into the pipeline, so that the fuel pressure, the fuel temperature and the fuel concentration in the pipeline are consistent with those in the fuel bottle. Further, in response to a detection signal of the fuel supply system, the fuel supply controller delays entering the fault detection process for a third preset period. The fuel supply controller is used for controlling the fuel supply system to open a fuel cylinder valve and delay fault diagnosis in the starting process, so that on one hand, the problems that the hydrogen pressure, the temperature and the concentration in a pipeline are abnormal due to the fact that the hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks slightly are avoided, and therefore faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, after the hydrogen supply system is awakened after the whole vehicle is electrified, a normal fault judgment process is carried out after a period of time delay, so that the fault diagnosis preparation of electric parts such as sensors and the like in the fuel supply system, communication signals of a controller, fuel values in a pipeline and the like is sufficient.

In any of the above technical solutions, further, the vehicle further includes: and the vehicle controller is in communication connection with the fuel supply controller and is used for controlling the opening and closing of the fuel supply system.

In the technical scheme, the vehicle comprises a vehicle controller, and the vehicle controller is in communication connection with the fuel supply controller. The vehicle controller is used for controlling the opening and closing of the fuel supply system and further controlling the opening and closing of the fuel cylinder valve. After the whole vehicle is powered on, the vehicle controller wakes up the fuel supply controller. The fuel supply controller controls the fuel bottle valve to open for a period of time to deliver fuel into the conduit so that the fuel pressure, fuel temperature and fuel concentration in the conduit are consistent with those in the fuel bottle. Furthermore, in response to a detection signal of the fuel supply system, the fuel supply controller delays a third preset time to enter a fault detection process, so that reasonable signal interaction between the vehicle controller and the fuel supply controller is realized, the starting process of the fuel supply system is optimized, and the running safety of the vehicle is improved.

In any of the above technical solutions, further, the vehicle further includes: the fuel cell engine system comprises a fuel cell engine controller which is in communication connection with the fuel supply controller, and the fuel cell system controller is used for controlling the opening and closing of the fuel supply system.

In the technical scheme, the vehicle comprises a fuel cell engine system, the fuel cell engine system comprises a fuel cell engine controller which is in communication connection with a fuel supply controller, and the fuel cell system controller is used for controlling the opening and closing of the fuel supply system and further controlling the opening and closing of a fuel cylinder valve. When the fuel cell engine system is started, the fuel supply controller is awakened to convey fuel to the pipeline for a period of time, and then the fuel supply controller delays entering a fuel supply system fault detection process. The reasonable signal interaction between the fuel engine controller and the fuel supply controller is realized, so that the fault detection logic of the fuel supply system adapts to the starting requirement of the fuel cell engine system, the fault detection and the risk control move forward, and the safety of a fuel supply loop of the fuel cell engine is guaranteed.

According to a fifth aspect of the present invention, there is provided a readable storage medium having stored thereon a program or instructions which, when executed by a processor, performs the control method of the fuel supply system set forth in the first aspect. Therefore, the readable storage medium has all the advantages of the control method of the fuel supply system according to the first aspect, and redundant description is omitted to avoid redundancy.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows one of the flow charts of a control method of a fuel supply system of an embodiment of the invention;

FIG. 2 shows a second schematic flow chart of a control method of the fuel supply system according to the embodiment of the invention;

FIG. 3 is a third flowchart showing a control method of the fuel supply system according to the embodiment of the invention;

FIG. 4 shows a fourth flowchart of a control method of the fuel supply system of the embodiment of the invention;

FIG. 5 shows a fifth flowchart of a control method of the fuel supply system of the embodiment of the invention;

FIG. 6 shows a sixth flowchart of a control method of the fuel supply system of the embodiment of the invention;

FIG. 7 shows a seventh flowchart of a control method of the fuel supply system of the embodiment of the invention;

FIG. 8 shows one of the flow charts of the control method of the fuel supply system of the specific embodiment of the invention;

FIG. 9 is a second schematic flow chart illustrating a method of controlling a fuel supply system according to an embodiment of the present invention;

fig. 10 shows a schematic block diagram of a control device of the fuel supply system of the embodiment of the invention.

Wherein, the correspondence between the reference numbers and the names of the components in fig. 10 is:

1000 control of a fuel supply system, 1002 a first control module, 1004 an acquisition module, 1006 a detection module, 1008 a second control module.

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.

It should be noted that descriptions related to "first", "second", "third", "fourth", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fuel supply systems and control methods and control apparatuses, vehicles, and media according to some embodiments of the invention are described below with reference to fig. 1 to 10.

Example 1:

as shown in fig. 1, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

102, responding to a fuel supply system starting signal, and controlling the fuel bottle valve to be opened for a first preset time so as to convey fuel to a pipeline;

104, acquiring a fuel value in a pipeline;

step 106, detecting the fuel supply system according to the fuel value to generate a detection result;

and 108, controlling the fuel supply system to work according to the detection result.

The control method of the fuel supply system provided by the embodiment is used for the fuel supply system, and the fuel supply system comprises a fuel cylinder valve and a pipeline connected with the fuel cylinder valve. And after a fuel supply system starting signal is received, namely the whole vehicle is electrified to wake up the fuel supply system, controlling the fuel bottle valve to be opened for a first preset time so as to convey the fuel in the fuel bottle to a pipeline. Further, after the fuel is delivered to the pipeline, the fuel value in the pipeline is obtained, the fuel supply system is detected according to the fuel value, whether the fuel supply system has a fault or not is determined, and then the fuel supply system is controlled to work according to the detection result.

Therefore, according to the control method of the fuel supply system provided by the embodiment, when the fuel supply system is awakened, fuel is delivered into the pipeline, so that the fuel value in the pipeline is kept consistent with that of the fuel bottle, on one hand, abnormal fuel value in the pipeline caused by slight leakage of the fuel in the pipeline due to long-time closing of the fuel supply system is avoided, misjudgment caused by data errors is reduced, and the accuracy of the detection result of the fuel supply system is improved; on the other hand, whether the pipeline has leakage or not is determined while the fuel supply system is awakened, and then the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work so as to improve the running safety of the vehicle. Further, compared with the prior art in which the fuel supply system is waken up and then directly enters the self-checking process of the fuel supply system, the sensors, the controller and the like of the fuel supply system are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through carrying fuel to the pipeline after a period, detects fuel supply system again to realize delaying to get into the fault judgment flow, guarantee that the fuel value etc. in electric component, controller and the pipeline in the fuel supply system prepares fully, improved the accurate nature of testing result.

Specifically, the first preset time period range may be set to 2s to 6 s.

Further, the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen. Specifically, the fuel supply system may be a hydrogen supply system, and the fuel values in the piping include a hydrogen pressure, a hydrogen temperature, and a hydrogen concentration. After the hydrogen supply system is awakened after the whole vehicle is powered on, the hydrogen bottle valve is controlled to be opened for a period of time, hydrogen is sprayed into the pipeline, so that the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline are consistent with those in the hydrogen bottle, and the fault diagnosis is carried out on the hydrogen supply system according to the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline. On one hand, the problem that the pressure, the temperature and the concentration of hydrogen in a pipeline are abnormal due to the fact that a hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks is avoided, so that faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, when the hydrogen supply system is awakened after the whole vehicle is powered on, hydrogen is sprayed to the pipeline to detect whether air leakage exists in the pipeline, the risk point of the hydrogen supply loop can be predicted in advance before the fuel cell system starts to work, and the running safety of the vehicle is improved.

Example 2:

as shown in fig. 2, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 202, responding to a fuel supply system starting signal, controlling a fuel bottle valve to be opened for a first preset time so as to deliver fuel to a pipeline;

step 204, acquiring a fuel value in a pipeline;

step 206, judging whether the fuel value is smaller than a first threshold value, if so, entering step 208, otherwise, entering step 210;

208, the fuel supply system is in a normal state;

step 210, the fuel supply system is in an abnormal state;

and 212, controlling the fuel supply system to work according to the detection result.

In the embodiment, the fuel supply system is detected according to the fuel value in the pipeline, and when the fuel value is smaller than a first threshold value, the fuel value in the pipeline is in a normal range, and the fuel supply system is in a normal state; when the fuel value is larger than or equal to the first threshold value, the fuel value in the pipeline is higher, and the fuel supply system is in an abnormal state. According to the fuel supply system, after the pipeline is used for conveying the fuel, the fuel value in the pipeline is detected, whether the fuel supply system has a fault or not is judged, the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work, and the safety of fuel supply of the fuel supply system is guaranteed.

It will be appreciated that the first threshold is a preset fuel safety threshold. The fuel supply system is provided with a fuel bottle group, the fuel bottle group comprises at least one fuel bottle, and the first threshold value can be set according to the number of the fuel bottles contained in the fuel supply system, and the application is not particularly limited herein.

Specifically, the fuel value in the pipe includes a fuel pressure, a fuel temperature, and a fuel concentration, wherein the fuel pressure, the fuel temperature, and the fuel concentration respectively correspond to respective first threshold values, and when any one of the fuel pressure, the fuel temperature, and the fuel concentration is detected to be greater than the first threshold value, the fuel supply system is in an abnormal state.

Example 3:

as shown in fig. 3, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 302, responding to a fuel supply system starting signal, controlling a fuel bottle valve to be opened for a first preset time so as to deliver fuel to a pipeline;

304, acquiring a fuel value in a pipeline;

step 306, judging whether the fuel value is smaller than a first threshold value, if so, entering step 308, otherwise, entering step 310;

308, the fuel supply system is in a normal state, and the step 318 is entered;

step 310, the fuel supply system is in an abnormal state, and step 312 is entered;

step 312, determining whether the fuel value is greater than or equal to the first threshold and less than the second threshold, if yes, going to step 314, and if no, going to step 316;

step 314, starting timing, and controlling the fuel supply system to be closed until the first timing duration reaches a second preset duration;

step 316, controlling the fuel supply system to be closed;

in step 318, the fuel supply system is controlled to be on.

In the embodiment, the fuel supply system is detected according to the fuel value in the pipeline, when the fuel value in the pipeline is detected to be greater than or equal to a first threshold value and smaller than a second threshold value, the fuel value in the pipeline is higher, namely the fuel supply system is in an abnormal state, timing is started, and when the first timing duration reaches a second preset duration, the fuel supply system is controlled to be closed. Further, when it is detected that the fuel value is between the first threshold and the second threshold, at which the degree of malfunction of the fuel supply system is low, the vehicle system determines whether the fuel value has an influence on other systems, and determines whether to control the fuel supply system to be shut down according to the degree of influence. Therefore, when the first timing duration does not reach the second preset duration, the fuel supply system closing signal is received, namely the fuel value is determined to influence other systems, and the fuel supply system is controlled to be closed. Further, when the fuel value is detected to be greater than or equal to the second threshold value, which indicates that the fuel value in the pipeline is too high, that is, the degree of failure of the fuel supply system is high, the fuel supply system is controlled to be closed. The fault degree of the fuel supply system is determined by detecting the fuel value in the pipeline, and then the fuel supply system is controlled to work in multiple modes according to the fault detection result, so that the running stability of the fuel supply system is ensured.

Wherein the second threshold is greater than the first threshold. The second threshold may be set according to the number of fuel bottles included in the fuel supply system, and the application is not particularly limited thereto.

Further, the range of the second preset duration may be set to 300s to 350 s.

Example 4:

as shown in fig. 4, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 402, responding to a fuel supply system starting signal, controlling a fuel bottle valve to be opened for a first preset time so as to deliver fuel to a pipeline;

404, acquiring a fuel value in a pipeline;

step 406, in response to the fuel supply system detection signal, after delaying a third preset time, detecting the fuel supply system according to the fuel value;

and 408, controlling the fuel supply system to work according to the detection result.

In this embodiment, after the whole vehicle is powered on and the fuel supply system is awakened, since the fuel leakage sensor needs to be preheated for a period of time after being powered on and communication delay is likely to occur at the moment of awakening of the fuel supply controller, after receiving a detection signal of the fuel supply system, the fuel supply system is subjected to fault detection according to the fuel value in the pipeline after delaying for a third preset time. Compared with the prior art that the fuel supply system is awakened and then directly enters the self-checking process of the fuel supply system, the fuel supply system sensor, the controller and the like are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through delaying entering normal fault judgement flow after a period to guarantee among the fuel supply system fault diagnosis preparation such as electric parts such as sensor, controller communication signal and the fuel value in the pipeline abundant, improved the accuracy nature of fuel supply system testing result.

Wherein the third preset duration may range from 1s to 2 s.

Further, when a failure of other electrical components such as a sensor in the fuel supply system is detected during a failure detection of the fuel supply system, the fuel supply system is controlled to be shut down. And controlling the fuel supply system to be closed when detecting that the communication connection among the fuel supply controller, the vehicle controller and the fuel cell engine controller is abnormal. The comprehensive detection of the fuel supply system is ensured, and the safety of the fuel supply system operation is guaranteed.

In a specific embodiment, after the whole vehicle is electrified to wake up the fuel supply system, the fuel bottle valve is controlled to be opened for 2 seconds, and fuel is delivered into the pipeline. And responding to the fuel supply system detection signal, and entering a normal fault detection process after delaying for 1 second. So as to ensure the electrical and communication of the fuel supply system and the preparation of the fuel value, etc. are sufficient, and improve the accuracy of the detection result.

Example 5:

as shown in fig. 5, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 502, in response to a fuel supply system starting signal, controlling a fuel bottle valve to be opened for a first preset time period so as to deliver fuel to a pipeline;

step 504, acquiring a fuel value in a pipeline;

step 506, detecting the fuel supply system according to the fuel value to generate a detection result;

step 508, controlling the fuel supply system to work according to the detection result;

and step 510, responding to the emergency fuel supply system closing signal, and controlling the fuel supply system to be closed.

In this embodiment, the fuel supply system is controlled to close when an emergency fuel supply system shut-down signal is received, i.e. the fuel supply system is in a fault state requiring an emergency stop, so that the fuel bottle valve can be quickly closed. The loss caused by the failure of the fuel supply system is effectively reduced, and the reliability of the fuel supply system is improved.

Example 6:

as shown in fig. 6, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 602, responding to a fuel supply system starting signal, controlling a fuel bottle valve to be opened for a first preset time so as to deliver fuel to a pipeline;

step 604, obtaining a fuel value in the pipeline;

606, detecting the fuel supply system according to the fuel value to generate a detection result;

step 608, controlling the fuel supply system to work according to the detection result;

and 610, controlling the fuel supply system to be closed in response to the fuel supply system normal closing signal.

In this embodiment, when the entire vehicle is stopped, the entire vehicle needs to be powered off after the fuel cell system shutdown procedure is completed. When the fuel cell is shut down, the system needs to provide high pressure for internal purging to the fuel cell to clean up the residual water vapor, water droplets or fuel in the fuel cell system, so that the high pressure connection cannot be immediately interrupted when the fuel cell is shut down, and a waiting period is needed. And when a signal for normally closing the fuel supply system is received, indicating that the fuel cell performs normal shutdown purging, and controlling the fuel supply system to be closed. So as to ensure that the fuel cell can be stopped and purged and ensure the safety of the vehicle.

Example 7:

as shown in fig. 7, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 702, responding to a fuel supply system starting signal, and controlling a fuel bottle valve to be opened for a first preset time so as to deliver fuel to a pipeline;

step 704, acquiring a fuel value in the pipeline;

step 706, detecting the fuel supply system according to the fuel value to generate a detection result;

step 708, controlling the fuel supply system to work according to the detection result;

and step 710, in response to the abnormal closing signal of the fuel supply system, controlling the fuel supply system to be closed after the fuel supply system is controlled to continuously operate for a fourth preset time period.

In the embodiment, in the process of using the vehicle, if the key is pulled out without waiting for the feedback of the shutdown signal of the vehicle, the whole vehicle is powered off when the fuel cell is not shut down and purged, so that the purging of the fuel cell fails, the water content of the fuel cell stack is too high, and the risk that the stack cannot be started is generated. Therefore, when the abnormal closing signal of the fuel supply system is received, which indicates that the fuel cell is not subjected to shutdown purging, the whole vehicle is powered off, at this time, the fuel supply system performs a delayed power-off measure, and the fuel supply system is closed after the fuel supply system is controlled to continuously run for the fourth preset time period, so that the fuel cell can be ensured to be subjected to shutdown purging, and the possibility of great loss to the vehicle is reduced.

Wherein the range of the fourth preset duration may be set to 3min to 5 min.

Example 8:

as shown in fig. 8, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

step 802, responding to a fuel supply system start signal;

step 804, opening a fuel bottle valve for a first preset time to deliver fuel to a pipeline;

step 806, after delaying a second preset time, detecting the fuel supply system;

step 808, judging whether the fuel value is greater than or equal to a second threshold value, if so, entering step 810, and if not, entering step 812;

step 810, controlling the fuel supply system to be closed;

step 812, judging whether the fuel value is smaller than a second threshold value and larger than or equal to a first threshold value, if so, entering step 814, and if not, entering step 816;

step 814, starting timing until the first timing duration reaches a third preset duration, and controlling the fuel supply system to be closed;

step 816, control the fuel supply system to turn on.

In this embodiment, after the hydrogen supply system is awakened by a hard wire when the entire vehicle is powered on, the HCU (hydrogen Control Unit, hydrogen supply system controller) controls the cylinder valve to open for about two seconds, and hydrogen is sprayed into the pipeline, so that the pressure and temperature of hydrogen in the pipeline are consistent with those in the hydrogen cylinder. On one hand, the problem that the pressure, the temperature and the concentration of the gas in the pipeline are abnormal due to the fact that the hydrogen supply system does not supply hydrogen for a long time and the gas in the pipeline leaks a little is avoided, and therefore faults are reported in a wrong mode; on the other hand, the hydrogen injection to the pipeline can predict the risk point of the hydrogen supply loop in advance before the fuel cell system starts to work.

Further, the hydrogen leakage sensor needs to be preheated for two seconds after being powered on, and communication delay is easy to occur at the moment of awakening of the hydrogen supply system controller. Therefore, the hydrogen supply system needs to enter a normal fault detection process after delaying one second to ensure that the fault detection preparation of functions such as electricity, communication, pressure, temperature, concentration and the like is sufficient.

And further, entering a fault detection process of the hydrogen supply system, wherein when any one of the hydrogen pressure, the hydrogen temperature and the hydrogen concentration is greater than a second threshold value, namely the hydrogen pressure is too high, the hydrogen bottle temperature is too high or the hydrogen concentration is too high, and the communication of the controller is abnormal, determining that the hydrogen supply system is in a three-level fault, and directly closing the hydrogen supply system.

Further, when any one of the hydrogen pressure, the hydrogen temperature and the hydrogen concentration is smaller than or equal to a second threshold and is larger than a first threshold, namely the hydrogen pressure is higher, the hydrogen bottle temperature is higher or the hydrogen concentration is higher, the hydrogen supply system is determined to be a secondary fault, the timing is started for 300 seconds, and the hydrogen supply system is requested to be shut down within 300 seconds. And after no fault exists within 300 seconds, responding to a hydrogen supply signal and a hydrogen cut-off signal of a VCU (Vehicle Control Unit) or an FCU (Fan Control Unit) to reserve sufficient preparation time for starting the fuel cell engine.

According to the method and the device, in the starting process of the hydrogen supply system, the safety of the starting hydrogen supply loop of the fuel cell system is improved according to the execution steps of hydrogen spraying by opening the cylinder valve, system self-checking and fault delay diagnosis. The fault diagnosis and the risk control are advanced, the reasonable signal interaction among the HCU, the FCU and the VCU is realized, and the safety of a hydrogen supply loop of a fuel cell engine is ensured.

Example 9:

as shown in fig. 9, according to an embodiment of the present invention, there is provided a control method of a fuel supply system, the method including:

902, responding to a fuel supply system closing signal;

step 904, determining whether the signal is a normal shutdown signal, if yes, entering step 908, and if not, entering step 906;

step 906, controlling the fuel supply system to be closed;

step 908, controlling the fuel supply system to enter a normal shutdown process;

step 910, judging whether the whole vehicle is powered off, if so, entering step 912, and if not, entering step 914;

step 912, controlling the fuel supply system to close after controlling the fuel supply system to continuously run for a fourth preset time period;

step 914, control the fuel supply system to shut down.

In this embodiment, when the whole vehicle sends a fuel cell system shutdown signal, it is first determined whether the fuel cell system is normally shutdown, and when the hydrogen supply system receives an emergency shutdown signal of the fuel cell system, the shutdown is quickly responded to by closing the valve.

Further, when the fuel cell system is normally stopped, the fuel cell system enters a normal stop purging mode, and enters a pure electric mode under the condition that the whole vehicle is not powered off, so that the stop purging process is not influenced. Under the condition that the whole vehicle is powered off, purging failure can be caused, the water content of the galvanic pile is too high, the risk that the galvanic pile cannot be started is further generated, and in order to avoid the problem, the HCU takes a delayed power-off measure to ensure that the fuel cell system performs hydrogen supply by purging after power-off is normally responded. Further, after the purging is finished, the HCU is normally dormant according to the condition of the whole vehicle, or returns to the initial state to wait for other instructions of the VCU.

After the fuel cell engine is stopped, the HCU delays to power off so as to ensure that the fuel cell system finishes the stop purging work.

Example 10:

as shown in fig. 10, according to an embodiment of the second aspect of the present invention, a control device 1000 of a fuel supply system is provided, the fuel supply system including a fuel bottle valve and a pipeline, wherein the fuel bottle valve is connected to the pipeline, the control device 1000 of the fuel supply system including: the first control module 1002, in response to a fuel supply system start signal, controls a fuel bottle valve to open for a first preset duration to deliver fuel to a pipeline; an obtaining module 1004 for obtaining a fuel value in a pipeline; the detection module 1006 detects the fuel supply system according to the fuel value to generate a detection result; and a second control module 1008 for controlling the operation of the fuel supply system according to the detection result.

The control apparatus 1000 of the fuel supply system according to the present embodiment includes a first control module 1002, an acquisition module 1004, a detection module 1006, and a second control module 1008. Specifically, the control device 1000 of the fuel supply system is used for the fuel supply system including a fuel bottle valve and a pipe connected thereto. After receiving a fuel supply system starting signal, that is, after the entire vehicle is powered on to wake up the fuel supply system, the first control module 1002 controls the fuel bottle valve to be opened for a first preset time period, so as to convey the fuel in the fuel bottle to the pipeline. Further, the obtaining module 1004 obtains a value of fuel in the conduit after delivering the fuel to the conduit. The detection module 1006 detects the fuel supply system based on the fuel value to determine whether the fuel supply system has a fault. The second control module 1008 controls operation of the fuel supply system based on the detection.

Therefore, when the fuel supply system is awakened, fuel is conveyed into the pipeline, so that the fuel value in the pipeline is consistent with that of the fuel bottle, on one hand, the abnormal fuel value in the pipeline caused by the micro leakage of the fuel in the pipeline due to the long-time closing of the fuel supply system is avoided, the misjudgment caused by data errors is reduced, and the accuracy of the detection result of the fuel supply system is improved; on the other hand, whether the pipeline has leakage or not is determined while the fuel supply system is awakened, and then the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work so as to improve the running safety of the vehicle. Further, compared with the prior art in which the fuel supply system is waken up and then directly enters the self-checking process of the fuel supply system, the sensors, the controller and the like of the fuel supply system are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through carrying fuel to the pipeline after a period, detects fuel supply system again to realize delaying to get into the fault judgment flow, guarantee that the fuel value etc. in electric component, controller and the pipeline in the fuel supply system prepares fully, improved the accurate nature of testing result.

Specifically, the first preset time period range may be set to 2s to 6 s.

Further, the fuel value includes at least one of: fuel pressure, fuel temperature, and fuel concentration, wherein the fuel is hydrogen. Specifically, the fuel supply system may be a hydrogen supply system, and the fuel values in the piping include a hydrogen pressure, a hydrogen temperature, and a hydrogen concentration. After the hydrogen supply system is awakened after the whole vehicle is powered on, the hydrogen bottle valve is controlled to be opened for a period of time, hydrogen is sprayed into the pipeline, so that the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline are consistent with those in the hydrogen bottle, and the fault diagnosis is carried out on the hydrogen supply system according to the hydrogen pressure, the hydrogen temperature and the hydrogen concentration in the pipeline. On one hand, the problem that the pressure, the temperature and the concentration of hydrogen in a pipeline are abnormal due to the fact that a hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks is avoided, so that faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, when the hydrogen supply system is awakened after the whole vehicle is powered on, hydrogen is sprayed to the pipeline to detect whether air leakage exists in the pipeline, the risk point of the hydrogen supply loop can be predicted in advance before the fuel cell system starts to work, and the running safety of the vehicle is improved.

Example 11:

according to a third aspect of the present invention, there is provided a fuel supply system comprising a memory storing a program or instructions; a processor connected with the memory, the processor being configured to implement the control method of the fuel supply system set forth in the first aspect when executing the program or the instructions.

In this embodiment, after receiving a fuel supply system start signal, that is, after the entire vehicle is powered on to wake up the fuel supply system, the fuel bottle valve is controlled to open for a first preset time period, so as to deliver the fuel in the fuel bottle to the pipeline. Further, after the fuel is delivered to the pipeline, the fuel value in the pipeline is obtained, the fuel supply system is detected according to the fuel value, whether the fuel supply system has a fault or not is determined, and then the fuel supply system is controlled to work according to the detection result.

Therefore, according to the control method of the fuel supply system provided by the embodiment, when the fuel supply system is awakened, fuel is delivered into the pipeline, so that the fuel value in the pipeline is kept consistent with that of the fuel bottle, on one hand, abnormal fuel value in the pipeline caused by slight leakage of the fuel in the pipeline due to long-time closing of the fuel supply system is avoided, misjudgment caused by data errors is reduced, and the accuracy of the detection result of the fuel supply system is improved; on the other hand, whether the pipeline has leakage or not is determined while the fuel supply system is awakened, and then the risk point of the fuel supply loop is predicted in advance before the fuel cell system starts to work so as to improve the running safety of the vehicle. Further, compared with the prior art in which the fuel supply system is waken up and then directly enters the self-checking process of the fuel supply system, the sensors, the controller and the like of the fuel supply system are not completely connected and have fluctuation, so that the detection result is not accurate enough. This application is through carrying fuel to the pipeline after a period, detects fuel supply system again to realize delaying to get into the fault judgment flow, guarantee that the fuel value etc. in electric component, controller and the pipeline in the fuel supply system prepares fully, improved the accurate nature of testing result.

Example 12:

in an embodiment of the fourth aspect of the present invention, a vehicle is provided, which includes the fuel supply system of the third aspect, and the fuel supply system includes a fuel supply controller for controlling opening and closing of the fuel bottle valve.

The vehicle provided by the embodiment comprises a fuel supply system, wherein the fuel supply system is provided with a fuel supply controller for controlling the opening and closing of a fuel bottle valve. When the vehicle is electrified to wake up the fuel supply controller, the fuel supply controller controls the fuel bottle valve to open for a period of time to deliver fuel into the pipeline, so that the fuel pressure, the fuel temperature and the fuel concentration in the pipeline are consistent with those in the fuel bottle. Further, in response to a detection signal of the fuel supply system, the fuel supply controller delays entering the fault detection process for a third preset period. The fuel supply controller is used for controlling the fuel supply system to open a fuel cylinder valve and delay fault diagnosis in the starting process, so that on one hand, the problems that the hydrogen pressure, the temperature and the concentration in a pipeline are abnormal due to the fact that the hydrogen supply system does not supply hydrogen for a long time and gas in the pipeline leaks slightly are avoided, and therefore faults are reported in a false mode, and the accuracy of a detection result is guaranteed; on the other hand, after the hydrogen supply system is awakened after the whole vehicle is electrified, a normal fault judgment process is carried out after a period of time delay, so that the fault diagnosis preparation of electric parts such as sensors and the like in the fuel supply system, communication signals of a controller, fuel values in a pipeline and the like is sufficient.

Further, the vehicle further includes: and the vehicle controller is in communication connection with the fuel supply controller and is used for controlling the opening and closing of the fuel supply system.

In this embodiment, the vehicle controller wakes up the fueling controller after the entire vehicle is powered up. The fuel supply controller controls the fuel bottle valve to open for a period of time to deliver fuel into the conduit so that the fuel pressure, fuel temperature and fuel concentration in the conduit are consistent with those in the fuel bottle. Furthermore, in response to a detection signal of the fuel supply system, the fuel supply controller delays a third preset time to enter a fault detection process, so that reasonable signal interaction between the vehicle controller and the fuel supply controller is realized, the starting process of the fuel supply system is optimized, and the running safety of the vehicle is improved.

Further, the vehicle further includes: the fuel cell engine system comprises a fuel cell engine controller which is in communication connection with the fuel supply controller, and the fuel cell system controller is used for controlling the opening and closing of the fuel supply system.

In this embodiment, when the fuel cell engine system is turned on, the fuel supply controller is awakened to deliver fuel to the pipeline for a period of time, and then the fuel supply system is delayed from entering the fault detection process. The method and the device realize reasonable signal interaction between the fuel engine controller and the fuel supply controller, so that the fault detection logic of the fuel supply system adapts to the starting requirement of the fuel cell engine system, the fault detection and control risk are moved forward, and the safety of a fuel supply loop of the fuel cell engine is guaranteed.

Example 13:

an embodiment of the fifth aspect of the invention proposes a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the control method of the fuel supply system according to any one of the above-mentioned solutions.

The readable storage medium includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.

The readable storage medium, program or instructions provided by the present invention, when executed by the processor, implement the steps of the control method of the fuel supply system according to any of the above technical solutions, and therefore the readable storage medium includes all the beneficial effects of the control method of the fuel supply system according to any of the above technical solutions, and is not described herein again. The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.