CN111426457B - Bottleneck valve fault diagnosis method, equipment, vehicle and storage medium - Google Patents
Bottleneck valve fault diagnosis method, equipment, vehicle and storage medium Download PDFInfo
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- CN111426457B CN111426457B CN202010216306.6A CN202010216306A CN111426457B CN 111426457 B CN111426457 B CN 111426457B CN 202010216306 A CN202010216306 A CN 202010216306A CN 111426457 B CN111426457 B CN 111426457B
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- G01M13/00—Testing of machine parts
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a bottle mouth valve fault diagnosis method, a device, a vehicle and a storage medium, wherein the method comprises the following steps: acquiring hydrogen consumption of two adjacent hundred kilometers of a hydrogenation type vehicle, wherein the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottle mouth valve; and then determining the number of bottle mouth valves with faults in the hydrogen storage bottle according to the adjacent two hundred kilometers of hydrogen consumption. Therefore, the method can judge whether the bottleneck valve in the hydrogen storage system has a fault or not, and can determine the number information of the bottleneck valve with the fault in the hydrogen storage system.
Description
Technical Field
The invention relates to the technical field of fault diagnosis, in particular to a bottle opening valve fault diagnosis method, bottle opening valve fault diagnosis equipment, a vehicle and a storage medium.
Background
The hydrogenation type vehicle is greatly popularized due to the advantages of zero pollution discharge, long driving range and the like. The vehicle-mounted hydrogen storage system is a key component of a hydrogenation type vehicle, and the duration of the fuel cell vehicle is determined by the hydrogen storage capacity, so that the full utilization of hydrogen in a vehicle-mounted hydrogen storage bottle is particularly important. However, in actual operation, the vehicle-mounted hydrogen storage bottle may fail to output normally due to the failure of the bottle opening valve, thereby affecting the endurance mileage of the hydrogen-fueled vehicle.
At present, fault diagnosis of a bottleneck valve (such as an electromagnetic valve) of a vehicle-mounted hydrogen storage bottle in the prior art is mainly realized through pressure fluctuation of hydrogen detected by a hydrogen pressure sensor in a hydrogen storage system, and specifically, if the pressure fluctuation value of the hydrogen detected by the hydrogen pressure sensor is greater than a preset value, the pressure fluctuation may be caused by failure of the bottleneck valve.
However, the bottleneck valve fault diagnosis method in the prior art can only judge that a bottleneck valve in the hydrogen storage system has a fault, and cannot obtain more information about the fault.
Disclosure of Invention
The embodiment of the invention provides a bottleneck valve fault diagnosis method, equipment, a vehicle and a storage medium, which can not only judge that a bottleneck valve in a hydrogen storage system has a fault by using a pressure fluctuation value of hydrogen detected by a hydrogen pressure sensor, but also further obtain more information about the fault of the bottleneck valve.
In a first aspect, an embodiment of the present invention provides a bottle opening valve fault diagnosis method, including:
acquiring hydrogen consumption of two adjacent hundred kilometers of a hydrogenation type vehicle, wherein the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottle mouth valve; and determining the number of bottle mouth valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers.
Optionally, the determining the number of failed bottleneck valves in the hydrogen storage system according to the two hundred kilometers of hydrogen consumption comprises: determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers; and determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
Optionally, the ratio, the total number of bottleneck valves, and the number of failed bottleneck valves in the hydrogen storage system satisfy the following relationship:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0Representing the previous one hundred kilometers of hydrogen consumption, N representing the total number of bottleneck valves of the hydrogen storage system, and M representing the number of bottleneck valves with faults in the hydrogen storage system.
Optionally, the method further comprises: if the number of the bottle mouth valves in the hydrogen storage system is larger than or equal to 1, outputting first alarm information, wherein the first alarm information is used for indicating that the bottle mouth valves have faults; when detecting that the ith bottleneck valve in the hydrogen storage system is opened and other bottleneck valves are closed, acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time; determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time; wherein the value of i is any one of 1 to N.
Optionally, determining whether the ith bottleneck valve is out of order according to the pressure of the hydrogen supply pipeline of the hydrogen storage system in the preset time period comprises: if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
Optionally, the method further comprises: and outputting prompt information for indicating whether each bottle mouth valve has faults or not.
Optionally, the method further comprises: acquiring the number of failed bottle mouth valves determined according to the pressure of a hydrogen supply pipeline of the hydrogen storage system; and if the number of the failed bottleneck valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system is less than the number of the failed bottleneck valves determined according to the hydrogen consumption of two adjacent hundred kilometers, outputting second alarm information, wherein the second alarm information is used for indicating the hydrogen leakage of the hydrogen storage system.
In a second aspect, an embodiment of the present invention provides a bottle opening valve fault diagnosis apparatus, including: the device comprises an acquisition module and a processing module.
The acquisition module is used for acquiring hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle, the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottleneck valve.
And the processing module is used for determining the number of the bottle opening valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers.
The processing module is specifically configured to: determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers; and determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
Optionally, the ratio, the total number of bottleneck valves, and the number of failed bottleneck valves in the hydrogen storage system satisfy the following relationship:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0Representing the previous one hundred kilometers of hydrogen consumption, N representing the total number of bottleneck valves of the hydrogen storage system, and M representing the number of bottleneck valves with faults in the hydrogen storage system.
Optionally, the apparatus for diagnosing a fault of a bottle mouth valve of a hydrogen storage bottle further includes: and an output module.
The output module is used for outputting first alarm information if the fault number of the bottleneck valves in the hydrogen storage system is determined to be larger than or equal to 1, and the first alarm information is used for indicating that the bottleneck valves have faults.
The acquisition module is further used for acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time when the ith bottleneck valve in the hydrogen storage system is detected to be opened and other bottleneck valves are detected to be closed.
The processing module is further used for determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time length; wherein the value of i is any one of 1 to N.
Optionally, the processing module is specifically configured to: if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
Optionally, the output module is further configured to output a prompt message for indicating whether each bottle mouth valve is faulty.
Optionally, the obtaining module is further configured to obtain the number of failed bottleneck valves determined according to the pressure of a hydrogen supply pipeline of the hydrogen storage system.
The output module is further configured to output second alarm information if the number of failed bottleneck valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system is smaller than the number of failed bottleneck valves determined according to the adjacent two hundred kilometers of hydrogen consumption, where the second alarm information is used to indicate that hydrogen leakage occurs in the hydrogen storage system.
In a third aspect, an embodiment of the present invention provides a bottle opening valve fault diagnosis apparatus, including: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executes computer-executable instructions stored by the memory such that the at least one processor performs the finish valve fault diagnostic method as described above in the first aspect.
In a fourth aspect, embodiments of the present invention provide a computer-readable storage medium, where computer-executable instructions are stored, and when a processor executes the computer-executable instructions, the method for diagnosing a fault of a mouthpiece valve according to the first aspect is implemented.
In a fifth aspect, the present application provides a program product, which includes a computer program stored in a readable storage medium, from which the computer program can be read by at least one processor of an electronic device, and the execution of the computer program by the at least one processor causes the electronic device to implement the bottleneck valve fault diagnosis method according to the first aspect.
According to the bottle mouth valve fault diagnosis method, the bottle mouth valve fault diagnosis equipment, the vehicle and the storage medium, the method obtains hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle; and then determining the number of bottle mouth valves with faults in the hydrogen storage system according to the adjacent two hundred kilometers of hydrogen consumption. Therefore, the method can judge whether the bottleneck valve in the hydrogen storage system has a fault or not, and can acquire the number information of the bottleneck valve with the fault in the hydrogen storage system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a hydrogen storage bottle and a corresponding bottle mouth valve according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a fault diagnosis method for a bottle opening valve according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a fault diagnosis method for a bottle opening valve according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a bottle opening valve fault diagnosis device according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fault diagnosis apparatus for a bottle opening valve according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a hydrogen-added vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
In the following, some terms in the present invention are explained to facilitate understanding by those skilled in the art:
vehicle-mounted hydrogen storage system: from the hydrogen filling port to the fuel cell inlet, devices relating to hydrogen filling, storage, delivery, supply, and control.
A bottleneck valve: the currently used bottle mouth valve is integrated with a mechanical valve, an electromagnetic valve, a Thermal Pressure Relief Device (TPRD), a Temperature sensor, and the like. The mechanical valve can be manually closed, used during maintenance and kept open during normal running of the vehicle. The opening valve, for example, a solenoid valve, is opened by a Hydrogen Management System (HMS) when the fuel cell is supplied with Hydrogen. The bottle mouth valve failure in the invention mainly refers to the condition that the electromagnetic valve fails to open when supplying hydrogen.
Fig. 1 is a schematic view of an application scenario provided by an embodiment of the present invention, as shown in fig. 1. The hydrogen storage cylinder in the hydrogen storage system of fig. 1 provides hydrogen gas at a sufficient pressure for the hydrogen-fed vehicle so that the vehicle can normally run. Fig. 2 is a schematic diagram of a hydrogen storage bottle and a corresponding bottleneck valve according to an embodiment of the present invention, as shown in fig. 2, a hydrogen storage bottle is exemplified in fig. 2, the bottleneck valve, for example, an electromagnetic valve, is connected between the hydrogen storage bottle and a fuel cell, a hydrogen management system of a hydrogenation type vehicle controls the electromagnetic valve to open, hydrogen in the hydrogen storage bottle enters the fuel cell through a corresponding pipeline, and provides the hydrogen for the hydrogenation type vehicle, so that the vehicle can normally run.
In the prior art, the fault diagnosis of the bottleneck valve (e.g., the electromagnetic valve) of the vehicle-mounted hydrogen storage bottle is mainly realized by pressure fluctuation of hydrogen detected by a hydrogen pressure sensor in a hydrogen storage system, and specifically, if the pressure fluctuation value of the hydrogen detected by the hydrogen pressure sensor is greater than a preset value, the pressure fluctuation may be caused by failure of the bottleneck valve (e.g., the electromagnetic valve) of the hydrogen storage bottle. However, the bottleneck valve fault diagnosis method in the prior art can only judge that a bottleneck valve in the hydrogen storage system has a fault, and cannot obtain more information, such as the number information of the bottleneck valves with faults in the hydrogen storage system.
Based on the technical problems, the application provides a fault diagnosis method for accurately determining a bottleneck valve in a hydrogen storage system. The method mainly determines the number of bottle mouth valves with faults in the hydrogen storage system according to the hundred kilometer hydrogen consumption of the hydrogenation type vehicle. The method can judge whether the bottleneck valve in the hydrogen storage system has a fault, and can accurately determine the number of the bottleneck valves with faults in the hydrogen storage system.
The technical solution of the present application is described below with reference to several specific embodiments.
Fig. 3 is a schematic flow chart of a bottle opening valve fault diagnosis method according to an embodiment of the present invention, and as shown in fig. 3, the method according to the embodiment of the present invention includes:
s301, acquiring hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle.
The hydrogen-added vehicle includes a hydrogen storage system including a plurality of hydrogen storage cylinders, each hydrogen storage cylinder including a bottleneck valve.
In the operation process of the hydrogenation type vehicle, the hydrogen management system of the hydrogenation type vehicle acquires the hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle in real time. The hydrogen consumption delta m of the former one hundred kilometers of two adjacent hundred kilometers of the hydrogenated vehicle0Indicates that the latter one hundred kilometers of hydrogen consumption is Δ m1And (4) showing.
And S302, determining the number of bottle mouth valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers.
According to the hydrogen consumption delta m of two adjacent hundred kilometers obtained in the S3010And Δ m1Determining the number of bottleneck valves of failed hydrogen storage bottles in a hydrogen storage system in the hydrogenation type vehicle, wherein when the number of bottleneck valves of failed hydrogen storage bottles in the hydrogen storage system is more than or equal to 1, the bottleneck valves in the hydrogen storage system have faults; when the number of bottleneck valves of a failed hydrogen storage bottle in the hydrogen storage system is less than 1 (e.g., 0), the bottleneck valves in the hydrogen storage system are all positiveOften times.
In the embodiment, the hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle is obtained; and then determining the number of bottle mouth valves with faults in the hydrogen storage system according to the adjacent two hundred kilometers of hydrogen consumption. The method can judge whether the bottleneck valve in the hydrogen storage system has a fault or not, and can determine the number information of the bottleneck valve with the fault in the hydrogen storage system.
Fig. 4 is a schematic flow chart of a bottleneck valve fault diagnosis method according to another embodiment of the present invention, as shown in fig. 4, on the basis of the embodiment shown in fig. 3, the method includes:
s401, acquiring hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle.
The specific implementation process of S401 refers to the related technical solution in the embodiment described in fig. 2, and is not described herein again.
S402, determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hundred kilometers according to the adjacent two hundred kilometers.
According to the previous one hundred kilometers hydrogen consumption Delta m obtained in S4010Hydrogen consumption Δ m of one hundred kilometers after1Determining the hydrogen consumption Deltam of the last hundred kilometers1Hydrogen consumption Δ m corresponding to one hundred kilometers before0The ratio of (a) to (b).
S403, determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
According to the hydrogen consumption Deltam of the latter hundred kilometers determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The total number N of bottleneck valves of the hydrogen storage system, and the number of bottleneck valves with faults in the N bottleneck valves in the hydrogen storage system.
Specifically, the latter one hundred kilometers of hydrogen consumption Δ m1Hydrogen consumption Δ m corresponding to one hundred kilometers before0The ratio, the total number N of the bottle mouth valves and the number M of the bottle mouth valves with faults in the N bottle mouth valves meet a formula I, and the formula I is as follows:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0The hydrogen consumption of the previous hundred kilometers is represented, N represents the total number of bottleneck valves in the hydrogen storage system, and M represents the number of bottleneck valves with faults in the hydrogen storage system, wherein N is an integer greater than or equal to 1, and the preset value can be 10% in the embodiment.
In this embodiment, an example where N is 4, that is, an on-vehicle hydrogen storage system is a 4-cylinder group, is used to explain the technical solution in the embodiment shown in fig. 4.
For example, if the latter one hundred kilometers hydrogen consumption Δ m is determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The relationship among the ratio, the total number N of the bottle mouth valves and the number M of the bottle mouth valves with faults in the N bottle mouth valves is as follows:
namely, it is
In the process, the change of the hydrogen consumption of the fuel automobile adjacent to hundred kilometers belongs to hydrogen consumption fluctuation caused by normal working condition change in the running process of the whole automobile, a bottle mouth valve of a hydrogen storage bottle normally works and does not have a fault, namely the number M of the bottle mouth valves with the fault in the hydrogen storage system is 0.
If the latter one hundred kilometers hydrogen consumption Δ m is determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The relationship among the ratio, the total number N of the bottle mouth valves and the number M of the bottle mouth valves with faults in the N bottle mouth valves is as follows:
namely, it is
When M is 1, i.e. the number of failed bottle opening valves M in the hydrogen storage bottle system is 1.
If the latter one hundred kilometers hydrogen consumption Δ m is determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The relationship between the ratio of (A) to (B), the total number of finish valves (N) and the number of failed finish valves (M) of the N finish valves is：
Namely, it is
When M is 2, i.e. the number of failed mouthpiece valves M in the hydrogen storage system is 2.
If the latter one hundred kilometers hydrogen consumption Δ m is determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The relationship among the ratio, the total number N of the bottle mouth valves and the number M of the bottle mouth valves with faults in the N bottle mouth valves is as follows:
namely, it is
When M is 3, i.e. the number of failed mouthpiece valves M in the hydrogen storage system is 3.
If the latter one hundred kilometers hydrogen consumption Δ m is determined in S4021Hydrogen consumption Δ m corresponding to one hundred kilometers before0The ratio of the number of the bottle mouth valves N to the number M of the bottle mouth valves with faults in the N bottle mouth valves:
when the value of 4-M in the hydrogen storage system is equal to 0, the number M of bottle mouth valves with faults in the hydrogen storage system is 4, and a central control system of the hydrogenation vehicle can send out an alarm signal to remind the whole vehicle of emergency power off.
Thus, based on equation one above, the number of failed port valves in the hydrogen storage system can be determined.
In some embodiments, as shown in fig. 4, after performing S403, i.e., after determining the number of failed finish valves in the hydrogen storage bottle, the method further comprises: S404-S406.
S404, if the number of the bottle mouth valves in the hydrogen storage system is determined to be larger than or equal to 1, outputting first alarm information, wherein the first alarm information is used for indicating that the bottle mouth valves have faults.
After confirming the bottleneck valve quantity that breaks down in the hydrogen storage system, if confirm that bottleneck valve quantity of faults more than or equal to 1 in the hydrogen storage system, the hydrogen management system of hydrogenation type vehicle can output first alarm information, and the suggestion has bottleneck valve to break down in the hydrogen storage system of hydrogenation type vehicle, and the navigating mate need stop going, and the hydrogenation type vehicle gets into the maintenance mode, and the hydrogen management system of hydrogenation type vehicle begins to overhaul and investigate trouble bottleneck valve.
S405, when the opening of the ith bottleneck valve in the hydrogen storage system and the closing of other bottleneck valves are detected, acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time.
After determining that a bottleneck valve in the hydrogen storage system has a fault, the specific position of the fault bottleneck valve needs to be judged. Specifically, when a hydrogen management system in a hydrogen storage system of a hydrogenation type vehicle detects that an ith bottleneck valve in the hydrogen storage system is opened and closes other bottleneck valves, the pressure of hydrogen in a pipeline of the vehicle-mounted hydrogen storage system is detected through a pressure sensor in the vehicle-mounted hydrogen storage system so as to obtain the pressure of a hydrogen supply pipeline of the hydrogen storage system within an ith preset time. Wherein the preset time period may be 1 minute.
S406, determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time, wherein the value of i is any one of 1 to N.
And judging whether the ith bottleneck valve has a fault according to the pressure of the hydrogen supply pipeline of the hydrogen storage system within the ith preset time length acquired in the step S405.
Optionally, one possible implementation manner of S406 is: judging whether the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is greater than the ith preset pressure drop value or not, and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is greater than the ith preset pressure drop value, executing to determine that the ith bottleneck valve has a fault; and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system within the ith preset time is less than or equal to the ith preset pressure drop value, determining that the ith bottleneck valve has no fault. The pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time period can be the difference value of the pressure value of the hydrogen supply pipeline of the hydrogen storage system at the starting moment and the pressure value of the hydrogen supply pipeline of the hydrogen storage system at the ending moment in the ith preset time period.
Specifically, when the ith bottle mouth valve is opened and other bottle mouth valves are closed, if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure drop value of the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is greater than the ith preset pressure drop value, the ith bottle mouth valve is determined to be broken down. When the ith bottle mouth valve is opened and other bottle mouth valves are closed, if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure drop value of the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is less than or equal to the ith preset pressure drop value, the ith bottle mouth valve is determined not to be broken down.
For example, taking N as 4 as an example, that is, the on-vehicle hydrogen storage system includes four hydrogen storage bottles, when the hydrogen management system in the hydrogen storage system of the hydrogenation type vehicle detects that the first bottleneck valve in the hydrogen storage bottle is opened and the other three bottleneck valves are closed, the pressure sensor in the on-vehicle hydrogen storage system detects the pressure of the hydrogen supply pipeline of the on-vehicle hydrogen storage system, and if the pressure sensor in the on-vehicle hydrogen storage system detects that the pressure drop value of the pressure of the hydrogen supply pipeline of the on-vehicle hydrogen storage system is greater than the preset pressure drop value within the first preset time period, for example, 1 minute, it is determined that the first bottleneck valve is faulty. And if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system detected by a pressure sensor in the vehicle-mounted hydrogen storage system is less than or equal to the preset pressure drop value within the first preset time period, such as 1 minute, determining that the first bottle opening valve is normal.
If the first bottleneck valve is determined to have a fault, opening a second bottleneck valve and closing other bottleneck valves after the first bottleneck valve is determined to have the fault, and if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is not increased, determining that the second bottleneck valve has the fault without maintaining the preset time period for 1 minute; and if the pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system rises, determining that the second bottleneck valve is normal.
If the first bottleneck valve is determined to be normal, after the first bottleneck valve is determined to be normal, opening a second bottleneck valve, closing other bottleneck valves, detecting the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system through a pressure sensor in the vehicle-mounted hydrogen storage system, and if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system, which is detected by the pressure sensor in the vehicle-mounted hydrogen storage system, is greater than a preset pressure drop value within a second preset time period, such as 1 minute, determining that the second bottleneck valve has a fault. And if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system detected by the pressure sensor in the vehicle-mounted hydrogen storage system is less than or equal to the preset pressure drop value within a second preset time period, such as 1 minute, determining that the second bottle opening valve is normal.
If the second bottleneck valve is determined to have a fault, opening a third bottleneck valve and closing other bottleneck valves after the second bottleneck valve is determined to have a fault, and if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is not increased, determining that the third bottleneck valve has a fault without maintaining the preset time period for 1 minute; and if the pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system rises, determining that the third bottleneck valve is normal.
And if the second bottleneck valve is determined to be normal, opening a third bottleneck valve and closing other bottleneck valves at the same time after the second bottleneck valve is determined to be normal, detecting the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system through a pressure sensor in the vehicle-mounted hydrogen storage system, and if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system, which is detected by the pressure sensor in the vehicle-mounted hydrogen storage system, is greater than a preset pressure drop value within a third preset time period, such as 1 minute, determining that the third bottleneck valve has a fault. And if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system detected by a pressure sensor in the vehicle-mounted hydrogen storage system is less than or equal to the preset pressure drop value within a third preset time period, such as 1 minute, determining that the third bottle opening valve is normal.
If the third bottleneck valve is determined to have a fault, opening the fourth bottleneck valve and closing other bottleneck valves after the third bottleneck valve is determined to have a fault, and if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is not increased, determining that the fourth bottleneck valve has a fault without maintaining the preset time period for 1 minute; and if the pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system rises, determining that the fourth bottleneck valve is normal. Therefore, the fault positions and the number of the bottle openings of the hydrogen storage bottles in the hydrogen storage system can be sequentially judged according to the method.
If the third bottleneck valve is determined to be normal, after the third bottleneck valve is determined to be normal, opening the fourth bottleneck valve, closing other bottleneck valves at the same time, detecting the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system through a pressure sensor in the vehicle-mounted hydrogen storage system, and if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system, which is detected by the pressure sensor in the vehicle-mounted hydrogen storage system, is greater than a preset pressure drop value within a fourth preset time period, such as 1 minute, determining that the fourth bottleneck valve has a fault. And if the pressure drop value of the pressure of the hydrogen supply pipeline of the vehicle-mounted hydrogen storage system detected by the pressure sensor in the vehicle-mounted hydrogen storage system is less than or equal to the preset pressure drop value within the fourth preset time period, such as 1 minute, determining that the fourth bottle mouth valve is normal. Accordingly, positional information of a malfunctioning bottleneck valve of a hydrogen storage cylinder in a hydrogen storage system can be determined according to the above method.
The first preset time, the second preset time, the third preset time and the fourth preset time may be the same or different, and the preset times may be gradually reduced, for example, when the first bottleneck valve fails, the pressure of the hydrogen supply pipeline of the hydrogen storage system may be reduced, and then when it is determined whether the second bottleneck valve fails, the second preset time may be shorter than the first preset time.
And S407, acquiring the number of the failed bottle mouth valves determined in the S406.
S408, judging the size between the number of the faulted bottleneck valves determined in S406 and the number of the faulted bottleneck valves determined in S403, and if the number of the faulted bottleneck valves determined in S406 is equal to the number of the faulted bottleneck valves determined in S403, executing S409; if the number of failed port valves determined in S406 is less than the number of failed port valves determined in S403, then S410 is performed. Optionally, if the number of malfunctioning port valves determined in S406 is greater than the number of malfunctioning port valves determined in S403, then this is ended.
And S409, outputting prompt information for indicating whether each bottleneck valve has faults or not.
After the number and position of the failed port valves determined from the pressure of the hydrogen supply line of the hydrogen storage system, if the hydrogen management system determines that the number of failed port valves determined in S406 is equal to the number of failed port valves determined in S403, the accuracy of the number of failed port valves determined in S403 is verified. Then, a hydrogen management system in a hydrogen storage system of the hydrogenation type vehicle sends prompt information of whether each bottleneck valve has faults to a central control system of the hydrogenation type vehicle, correspondingly, the central control system of the hydrogenation type vehicle receives the prompt information of whether each bottleneck valve has faults sent by the hydrogen management system, the state (fault or no fault) of each bottleneck valve is displayed on an instrument panel of the whole vehicle, and a driver can position the position of the faulty bottleneck valve according to the state and determine whether the vehicle continues to run or is stopped for maintenance.
S410, outputting second alarm information and prompt information for indicating whether each bottle mouth valve has faults or not, wherein the second alarm information is used for indicating that hydrogen leakage occurs in the hydrogen storage system.
If the hydrogen management system judges that the number of the failed bottleneck valves determined in step 406 is less than the number of the failed bottleneck valves determined in step S403, that is, the hydrogen consumption per hundred kilometers is abnormally high, the hydrogen management system in the hydrogen storage system of the hydrogenated vehicle outputs second alarm information and prompt information indicating whether each bottleneck valve is failed to the central control system of the hydrogenated vehicle, and accordingly, the central control system of the hydrogenated vehicle receives the second alarm information sent by the hydrogen management system and the prompt information indicating whether each bottleneck valve is failed. And then displaying the states (faults or non-faults) of the bottle mouth valves and second alarm information on the whole vehicle instrument panel, wherein the second alarm information is used for indicating that hydrogen leakage occurs in the hydrogen storage system. Then, a driver can perform hydrogen leakage detection on the vehicle-mounted hydrogen storage system so as to ensure the safe operation of the vehicle.
In the embodiment, the hydrogen consumption of two adjacent hundred kilometers of the hydrogenation type vehicle is obtained; then determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers; determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system; if the pressure of the hydrogen supply pipeline of the hydrogen storage system is smaller than the preset pressure, outputting first alarm information to indicate that a bottleneck valve fails; then, judging the position of a fault bottleneck valve, specifically, controlling the opening of the ith bottleneck valve in the hydrogen storage system and controlling the closing of other bottleneck valves by a hydrogen management system, and then obtaining the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time; determining whether the ith bottleneck valve has a fault according to whether the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is greater than the ith preset pressure drop value; and the number of the bottle mouth valves with faults determined by the pressure of the hydrogen supply pipeline of the hydrogen storage system is compared with the number of the bottle mouth valves with faults determined according to the adjacent two hundred kilometers of hydrogen consumption, so as to further verify the accuracy. Therefore, the method accurately judges the quantity information and the position information of the fault bottleneck valves in the hydrogen storage system, and provides reliable basis for the follow-up overhaul of the fault bottleneck valves in the hydrogen storage system.
Fig. 5 is a schematic structural diagram of a bottleneck valve fault diagnosis device according to an embodiment of the present invention. As shown in fig. 5, the mouthpiece valve failure diagnosis apparatus 500 includes: an acquisition module 501 and a processing module 502.
The acquiring module 501 is configured to acquire two hundred kilometers of hydrogen consumption of a hydrogenated vehicle, where the hydrogenated vehicle includes a hydrogen storage system, and the hydrogen storage system includes a plurality of hydrogen storage bottles, and each hydrogen storage bottle includes a bottleneck valve;
the processing module 502 is configured to determine the number of bottleneck valves having faults in the hydrogen storage system according to the two hundred kilometers of hydrogen consumption.
The processing module 502 is specifically configured to: determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers; and determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
Optionally, the ratio, the total number of bottleneck valves, and the number of failed bottleneck valves in the hydrogen storage system satisfy the following relationship:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0Representing the previous one hundred kilometers of hydrogen consumption, N representing the total number of bottleneck valves of the hydrogen storage system, and M representing the number of bottleneck valves with faults in the hydrogen storage system.
Optionally, the bottleneck valve fault diagnosis apparatus 500 further includes: an output module 503.
The output module 503 is configured to output first alarm information if it is determined that the number of the bottleneck valve failures in the hydrogen storage system is greater than or equal to 1, where the first alarm is used to indicate that the bottleneck valve fails.
The obtaining module 501 is further configured to obtain the pressure of the hydrogen supply pipeline of the hydrogen storage system within an ith preset time period when it is detected that the ith bottleneck valve in the hydrogen storage system is opened and other bottleneck valves are closed.
The processing module 502 is further configured to determine whether the ith bottleneck valve has a fault according to the pressure of the hydrogen supply pipeline of the hydrogen storage system within the ith preset time period; wherein the value of i is any one of 1 to N.
Optionally, the processing module 502 is specifically configured to: if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
Optionally, the output module 503 is further configured to output a prompt message for indicating whether each bottleneck valve is faulty.
Optionally, the obtaining module 501 is further configured to obtain the number of failed bottleneck valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system.
The output module 503 is further configured to output second alarm information if the number of failed bottleneck valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system is less than the number of failed bottleneck valves determined according to the adjacent two hundred kilometers of hydrogen consumption, where the second alarm information is used to indicate that hydrogen leakage occurs in the hydrogen storage system.
The bottle mouth valve fault diagnosis device provided by the embodiment can be used for executing the technical scheme of the method embodiment, the implementation principle and the technical effect are similar, and details are not repeated here.
Fig. 6 is a schematic structural diagram of a bottleneck valve fault diagnosis device according to another embodiment of the present invention. As shown in fig. 6, the mouthpiece valve failure diagnosis apparatus 600 of the present embodiment includes: a memory 601 and a processor 602.
A memory 601 for storing computer execution instructions;
a processor 602 for executing computer executable instructions stored in the memory 601 to perform:
acquiring hydrogen consumption of two adjacent hundred kilometers of a hydrogenation type vehicle, wherein the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottle mouth valve;
and determining the number of bottle mouth valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers.
Optionally, the processor 602 is specifically configured to: determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers; and determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
Optionally, the ratio, the total number of bottleneck valves, and the number of failed bottleneck valves in the hydrogen storage system satisfy the following relationship:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0Representing the previous one hundred kilometers of hydrogen consumption, N representing the total number of bottleneck valves of the hydrogen storage system, and M representing the number of bottleneck valves with faults in the hydrogen storage system.
Optionally, the processor 602 is further configured to output a first alarm message if it is determined that the number of the bottleneck valve failures in the hydrogen storage system is greater than or equal to 1, where the first alarm is used to indicate that a bottleneck valve fails; when the opening of the ith bottleneck valve in the hydrogen storage system and the closing of other bottleneck valves are detected, acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time; determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time length; wherein the value of i is any one of 1 to N.
Optionally, the processor 602 is specifically configured to: if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
Optionally, the processor 602 is specifically configured to: and outputting prompt information for indicating whether each bottle mouth valve has faults or not.
Optionally, the processor 602 is specifically configured to: and acquiring the number of failed bottle mouth valves determined according to the pressure of a hydrogen supply pipeline of the hydrogen storage system.
The processor 602 is specifically configured to: and if the number of the failed bottle mouth valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system is less than the number of the failed bottle mouth valves determined according to the hydrogen consumption of two adjacent hundred kilometers, outputting second alarm information, wherein the second alarm information is used for indicating that the hydrogen leakage occurs in the hydrogen storage bottle.
Optionally, the apparatus 600 for diagnosing a malfunction of a mouthpiece valve of a hydrogen storage cylinder further includes: a display device 603.
The processor 602 is specifically configured to control the display device 603 to display at least one of the first alarm information, the second alarm information, and prompt information indicating whether each bottleneck valve has a fault.
The bottle mouth valve fault diagnosis device of the present embodiment may be used to implement the technical solutions of the above method embodiments, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of a hydrogenation type vehicle according to an embodiment of the present application, and as shown in fig. 7, a hydrogenation type vehicle 700 may include: hydrogen storage system 701, bottleneck valve failure diagnosis apparatus 702, and fuel cell 703. The hydrogen storage system 701 includes a plurality of hydrogen storage cylinders.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A fault diagnosis method for a bottle mouth valve is characterized by comprising the following steps:
acquiring hydrogen consumption of two adjacent hundred kilometers of a hydrogenation type vehicle, wherein the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottle mouth valve;
determining the number of bottle mouth valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers;
if the number of the bottle mouth valves in the hydrogen storage system is larger than or equal to 1, outputting first alarm information, wherein the first alarm information is used for indicating that the bottle mouth valves have faults;
when detecting that the ith bottleneck valve in the hydrogen storage system is opened and other bottleneck valves are closed, acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time;
determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time; the value of i is any one of 1 to N;
determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time period, wherein the determining comprises the following steps:
if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and when the ith bottleneck valve is determined to be in fault, and when the ith +1 bottleneck valve in the hydrogen storage system is detected to be opened and other bottleneck valves are detected to be closed, if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is not increased, determining that the ith +1 bottleneck valve is in fault; if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system rises, determining that the (i + 1) th bottleneck valve has no fault;
and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
2. The method of claim 1, wherein said determining a number of failed finish valves in said hydrogen storage system based on said two hundred kilometers of hydrogen consumption comprises:
determining the ratio of the hydrogen consumption of the last one hundred kilometers to the hydrogen consumption of the previous one hundred kilometers in the two hydrogen consumption of the two hundred kilometers according to the hydrogen consumption of the two adjacent hundred kilometers;
and determining the number of failed bottleneck valves in the hydrogen storage system according to the ratio and the total number of bottleneck valves of the hydrogen storage system.
3. The method of claim 2, wherein the ratio, the total number of bottleneck valves, and the number of failed bottleneck valves in the hydrogen storage system satisfy the following relationship:
wherein, Δ m1Represents the latter one hundred kilometers of hydrogen consumption, Δ m0Representing the previous one hundred kilometers of hydrogen consumption, N representing the total number of bottleneck valves of the hydrogen storage system, and M representing the number of bottleneck valves with faults in the hydrogen storage system.
4. The method of claim 1, further comprising:
and outputting prompt information for indicating whether each bottle mouth valve has faults or not.
5. The method of claim 4, further comprising:
acquiring the number of failed bottle mouth valves determined according to the pressure of a hydrogen supply pipeline of the hydrogen storage system;
and if the number of the failed bottleneck valves determined according to the pressure of the hydrogen supply pipeline of the hydrogen storage system is less than the number of the failed bottleneck valves determined according to the hydrogen consumption of two adjacent hundred kilometers, outputting second alarm information, wherein the second alarm information is used for indicating the hydrogen leakage of the hydrogen storage system.
6. A fault diagnosis apparatus for a bottle mouth valve, comprising:
the system comprises an acquisition module, a storage module and a control module, wherein the acquisition module is used for acquiring two adjacent hundred kilometers of hydrogen consumption of a hydrogenation type vehicle, the hydrogenation type vehicle comprises a hydrogen storage system, the hydrogen storage system comprises a plurality of hydrogen storage bottles, and each hydrogen storage bottle comprises a bottle mouth valve;
the processing module is used for determining the number of bottle opening valves with faults in the hydrogen storage system according to the hydrogen consumption of two adjacent hundred kilometers;
the output module is used for outputting first alarm information if the number of the bottle mouth valves in the hydrogen storage system is determined to be more than or equal to 1, wherein the first alarm information is used for indicating that the bottle mouth valves have faults;
the acquisition module is further used for acquiring the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time when the ith bottleneck valve in the hydrogen storage system is detected to be opened and other bottleneck valves are detected to be closed;
the processing module is further used for determining whether the ith bottleneck valve has a fault according to the pressure of a hydrogen supply pipeline of the hydrogen storage system within the ith preset time length; the value of i is any one of 1 to N;
if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time length is greater than the ith preset pressure drop value, determining that the ith bottleneck valve has a fault; and when the ith bottleneck valve is determined to be in fault, and when the ith +1 bottleneck valve in the hydrogen storage system is detected to be opened and other bottleneck valves are detected to be closed, if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system is not increased, determining that the ith +1 bottleneck valve is in fault; if a pressure sensor in the vehicle-mounted hydrogen storage system detects that the pressure of a hydrogen supply pipeline of the vehicle-mounted hydrogen storage system rises, determining that the (i + 1) th bottleneck valve has no fault;
and if the pressure drop value of the pressure of the hydrogen supply pipeline of the hydrogen storage system in the ith preset time is less than or equal to the ith preset pressure drop value, determining that the ith bottle mouth valve has no fault.
7. A fault diagnosis apparatus for a bottle mouth valve, comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing computer-executable instructions stored by the memory causes the at least one processor to perform the finish valve fault diagnostic method of any of claims 1 to 5.
8. A computer readable storage medium having computer executable instructions stored thereon which, when executed by a processor, implement the finish valve fault diagnostic method of any one of claims 1 to 5.
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| CN101324485B (en) * | 2008-07-11 | 2011-04-27 | 清华大学 | Test device and method for detecting security of fuel battery passenger car hydrogen feed system |
| CN103983447B (en) * | 2014-05-27 | 2017-08-11 | 牡丹江市康兴电站设备制造有限公司 | Power station oil seal system differential valve performance test stand |
| KR101610534B1 (en) * | 2014-11-03 | 2016-04-07 | 현대자동차주식회사 | Trouble diagnosis method for current sensor of fuel cell system |
| KR102291152B1 (en) * | 2014-11-05 | 2021-08-19 | 현대모비스 주식회사 | Fault Diagnostic Apparatus of Hydrogen supply Apparatus of Fuel Cell Vehicle and Method Thereof |
| CN208283078U (en) * | 2018-05-08 | 2018-12-25 | 南京晶能新能源智能汽车制造有限公司 | A kind of fuel consumption assessment device of hydrogen cell automobile |
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| CN110783604B (en) * | 2019-09-25 | 2021-01-19 | 潍柴动力股份有限公司 | Control method for hydrogen discharge valve of fuel cell |
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