Method and device for processing disconnection fault of fuel cell inspection system and electronic equipment

By judging the fuel cell voltage fluctuation, determining and shielding the disconnection fault of the inspection system, and using the average voltage to replace the faulty single-chip voltage, the problem of false alarms caused by disconnection faults in the voltage inspection system of fuel cell vehicles is solved, and fast and effective fault handling is achieved.

CN115377462BActive Publication Date: 2025-10-17BEIJING SINOHYTEC
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Patent Information

Application Number
CN202211009229.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-23
Publication Date
2025-10-17
Estimated Expiration
2042-08-23

AI Technical Summary

Technical Problem

In the prior art, a voltage inspection system for a fuel cell vehicle may experience a disconnection failure, leading to a false alarm of a low voltage fault, which affects engine performance, increases the overall vehicle failure rate, and results in long maintenance times and low efficiency.

Method used

By judging whether the difference in voltages of adjacent chips fluctuates continuously within a set range for more than a set time, the inspection system is determined to have a line break fault, and the average single-chip voltage of the fuel cell is assigned to the single chip with a line break fault in the inspection system, shielding the faulty single chip and avoiding the need to replace the voltage inspection system module.

Benefits of technology

It reduces maintenance time, improves maintenance efficiency, avoids the replacement of voltage inspection system modules, and improves system reliability and stability.

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Abstract

The application provides a fuel cell inspection system disconnection fault processing method, device and electronic equipment. The fuel cell inspection system disconnection fault processing method comprises the following steps: obtaining the voltage of each piece of fuel cell to obtain a plurality of single piece voltages; judging that the adjacent two single piece voltages are positive and negative; judging whether the difference between the two adjacent single piece voltages and the base point value fluctuates continuously in a set range for more than a set time length; if the difference fluctuates continuously in the set range for more than the set time length, the fuel cell inspection system disconnection fault is determined; shielding the single piece determined as the fuel cell inspection system disconnection fault, and assigning the average single piece voltage of the fuel cell to the single piece of the fuel cell inspection system disconnection fault as the voltage of the single piece of the fuel cell inspection system disconnection fault, wherein the average single piece voltage is the average value of the voltages of the single pieces except the single piece of the fuel cell inspection system disconnection fault. The purpose of reducing maintenance time and improving maintenance efficiency is achieved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of new energy, and in particular relates to a fuel cell inspection system broken line fault processing method and device and electronic equipment. BACKGROUND

[0002] One of the common faults of the hydrogen fuel cell vehicle at present is the voltage inspection system fault of the fuel cell, and the common voltage inspection system fault is the broken line fault, which causes the system to report a single low fault, and further affects the power output of the engine, reduces the performance of the engine, increases the fault rate of the vehicle, and reduces the reliability of the vehicle. The existing technology adopts the technical scheme of replacing the voltage inspection system module for the false report single low fault caused by the broken line fault, so that there is the problem of long maintenance time and low efficiency. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a fuel cell inspection system broken line fault processing method and device and electronic equipment, which at least partially solves the problem of long maintenance time and low efficiency in the prior art.

[0004] In a first aspect, the present disclosure provides a fuel cell inspection system broken line fault processing method, comprising:

[0005] Obtaining the voltage of each piece of the fuel cell to obtain a plurality of single piece voltages;

[0006] Judging that the adjacent two single piece voltages are positive and negative;

[0007] Judging whether the difference between the two adjacent single piece voltages which are positive and negative and the base point value fluctuates continuously within a set range for more than a set time length;

[0008] If the fluctuation within the set range for more than the set time length is determined as a broken line fault of the inspection system;

[0009] Shielding the single piece determined as the broken line fault of the inspection system, and assigning the average single piece voltage of the fuel cell to the single piece of the broken line fault of the inspection system as the voltage of the single piece of the broken line fault of the inspection system, the average single piece voltage being the average value of the voltages of the other single pieces except the single piece of the broken line fault of the inspection system; the obtaining the voltage of each piece of the fuel cell to obtain a plurality of single piece voltages, comprising:

[0010] In the full operating condition range, the inspection system inspects each single piece of the fuel cell to obtain the voltage of each single piece;

[0011] The difference between the two adjacent single-piece voltages with one positive and one negative and the base point value is continuously fluctuated in a set range for more than a set time length, the base point value is A, the minimum value of the set range is -B, and the maximum value of the set range is +B; 1000mv < A < 1500mv, 100mv < B < 200mv; and the set time length is 3s.

[0012] In a second aspect, the embodiments of the present disclosure further provide a processing device for a fuel cell inspection system disconnection fault, comprising:

[0013] A voltage module is configured to obtain the voltage of each piece of the fuel cell to obtain a plurality of single-piece voltages.

[0014] A judgment module is configured to judge that the two adjacent single-piece voltages are one positive and one negative.

[0015] A fluctuation module is configured to judge whether the difference between the two adjacent single-piece voltages with one positive and one negative and the base point value is continuously fluctuated in a set range for more than a set time length.

[0016] A determination module is configured to determine that the inspection system disconnection fault occurs when the difference between the two adjacent single-piece voltages with one positive and one negative and the base point value is continuously fluctuated in a set range for more than a set time length.

[0017] An assignment module is configured to shield the single-piece determined as the inspection system disconnection fault, and assign the average single-piece voltage of the fuel cell to the single-piece as the voltage of the single-piece with the inspection system disconnection fault, the average single-piece voltage being the average value of the voltages of the single-pieces other than the single-piece with the inspection system disconnection fault.

[0018] The base point value in the fluctuation module is A, the minimum value of the set range is -B, and the maximum value of the set range is +B; 1000mv < A < 1500mv, 100mv < B < 200mv.

[0019] In a third aspect, the embodiments of the present disclosure further provide an electronic device, comprising:

[0020] at least one processor; and

[0021] a memory connected with the at least one processor; wherein

[0022] the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the processing method for the fuel cell inspection system disconnection fault according to any one of the first aspect.

[0023] In a fourth aspect, the present disclosure also provides a computer-readable storage medium storing computer instructions for causing a computer to execute the method for processing a broken line fault of a fuel cell inspection system according to any one of the first aspect.

[0024] The present disclosure provides a method and device for processing a broken line fault of a fuel cell inspection system, and an electronic device. The method for processing a broken line fault of a fuel cell inspection system determines whether a voltage inspection system fault is a broken line fault of the inspection system. If the fault is a broken line fault of the inspection system, the fault single chip is shielded, and the average single chip voltage of the fuel cell is assigned to the single chip of the broken line fault of the inspection system as the voltage of the single chip of the broken line fault of the inspection system. The false single low caused by the voltage inspection system due to the broken line fault of the inspection system is shielded, and the voltage inspection system module does not need to be replaced, thereby reducing maintenance time and improving maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and other objects, features and advantages of the present disclosure will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the figures, and wherein:

[0026] Figure 1 A flowchart of a method for processing a broken line fault of a fuel cell inspection system according to an embodiment of the present disclosure is shown in FIG. 1.

[0027] Figure 2 A principle block diagram of a device for processing a broken line fault of a fuel cell inspection system according to an embodiment of the present disclosure is shown in FIG. 2.

[0028] Figure 3 A principle block diagram of an electronic device according to an embodiment of the present disclosure is shown in FIG. 3. DETAILED DESCRIPTION

[0029] The embodiments of the present disclosure will be described in detail with reference to the drawings, as follows.

[0030] It should be apparent that the following describes only some embodiments of the present disclosure and not all embodiments of the present disclosure. The present disclosure can be implemented or applied in other different specific embodiments without departing from the spirit of the present disclosure. Each detail described in the specification can be modified based on different views and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features of the embodiments can be combined with each other without conflict. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present disclosure.

[0031] It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings herein one skilled in the art should appreciate that an aspect described herein can be implemented independently of any other aspects and that an aspect described herein can be implemented both as any claim dependent on another and as an independent claim. The same can be said of the title, summary, drawings, etc. To the extent that there is any conflict between the instant disclosure and any prior art document including but not limited to prior patent applications, the instant disclosure will control. In addition, the priority of any prior application of the applicant(s) for any application herewith filed, including but not limited to the parent application(s) of the present application, is hereby affirmed.

[0032] It should be noted that the drawings provided in the following embodiments are only schematic and are non-limiting respective of the scope of the present disclosure. In the drawings, the size, the relative sizes, and / or the shapes of the components are not necessarily drawn to scale and are only intended to conceptually illustrate the basic structure of the present disclosure. The same reference numbers in different drawings represent the same or similar elements.

[0033] Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the examples. However, it will be apparent to one skilled in the art that the aspects described herein can be practiced without these specific details.

[0034] Average voltage: average single cell voltage of fuel cell stack.

[0035] Wire breakage fault: abnormal voltage fault due to complete disconnection of contact between CVP and polar plate of individual single cell.

[0036] Single low: phenomenon that one or individual single cell voltage of fuel cell stack is significantly lower than average voltage.

[0037] Single high: phenomenon that one or individual single cell voltage of fuel cell stack is significantly higher than average voltage.

[0038] For ease of understanding, as shown in the drawings, Figure 1 The embodiment discloses a processing method for wire breakage fault of a fuel cell inspection system, including:

[0039] Obtaining the voltage of each single cell of the fuel cell to obtain a plurality of single cell voltages.

[0040] Obtaining the voltage of each single cell of the fuel cell to obtain a plurality of single cell voltages, including:

[0041] In the full operating condition range, the inspection system inspects each single cell of the fuel cell to obtain the voltage of each single cell.

[0042] two adjacent single piece voltages are positive and negative;

[0043] whether the difference between the two adjacent single piece voltages and the base point value fluctuates in a set range for more than a set time;

[0044] The base point value is A, the minimum value of the set range is -B, and the maximum value of the set range is +B. 1000mv

[0045] If the two adjacent single pieces are V N and V N+1 , respectively, then the values of V N and V N+1 are judged to fluctuate between -B and +B with A as the base point, and the duration is more than 3s.

[0046] If the fluctuation in the set range lasts for more than the set time, it is determined that the inspection system is broken;

[0047] The single piece determined to have a broken inspection system is shielded, and the average single piece voltage of the fuel cell is assigned to the single piece with a broken inspection system as the voltage of the single piece with a broken inspection system. The average single piece voltage is the average of the voltages of the other single pieces except the single piece with a broken inspection system.

[0048] As shown in FIG. Figure 2 The embodiment also discloses a processing device for a broken inspection system of a fuel cell, which comprises:

[0049] A voltage module is configured to obtain the voltage of each piece of the fuel cell to obtain a plurality of single piece voltages.

[0050] A judgment module is configured to judge whether two adjacent single piece voltages are positive and negative.

[0051] A fluctuation module is configured to judge whether the difference between the two adjacent single piece voltages and the base point value fluctuates in a set range for more than a set time.

[0052] A determination module is configured to determine that the inspection system is broken if the fluctuation in the set range lasts for more than the set time.

[0053] An assignment module is configured to shield the single piece determined to have a broken inspection system, and assign the average single piece voltage of the fuel cell to the single piece with a broken inspection system as the voltage of the single piece with a broken inspection system. The average single piece voltage is the average of the voltages of the other single pieces except the single piece with a broken inspection system.

[0054] The base point value in the fluctuation module is A, the minimum value of the set range is -B, and the maximum value of the set range is +B. 1000mv < A < 1500mv, 100mv < B < 200mv.

[0055] The electronic device disclosed in the embodiment comprises a memory and a processor. The memory is configured to store non-transitory computer-readable instructions. Specifically, the memory can comprise one or more computer program products, which can comprise various forms of computer-readable storage media, such as volatile memory and / or non-volatile memory. The volatile memory may, for example, comprise random access memory (RAM) and / or cache memory, etc. The non-volatile memory may, for example, comprise read-only memory (ROM), a hard disk, a flash memory, etc.

[0056] The processor can be a central processing unit (CPU) or other forms of processing units having data processing capability and / or instruction execution capability, and can control other components in the electronic device to perform desired functions. In one embodiment of the present disclosure, the processor is configured to run the computer-readable instructions stored in the memory, so that the electronic device performs all or part of the steps of the processing method for fuel cell inspection system disconnection fault of the embodiments of the present disclosure.

[0057] Those skilled in the art should understand that, in order to solve the technical problem of how to obtain a good user experience effect, the embodiment can also include well-known structures such as a communication bus, an interface, etc., which should also be included in the protection scope of the present disclosure.

[0058] As shown in Figure 3 A structural schematic diagram of an electronic device according to an embodiment of the present disclosure is shown. The structural schematic diagram shows the structure of an electronic device suitable for implementing the electronic device in the embodiments of the present disclosure. Figure 3 The electronic device shown is merely an example, and should not impose any limitation on the functions and use range of the embodiments of the present disclosure.

[0059] As shown in Figure 3 The electronic device can comprise a processing device (such as a central processor, a graphics processor, etc.), which can perform various appropriate actions and processes according to programs stored in a read-only memory (ROM) or loaded from a storage device into a random access memory (RAM). Various programs and data required for operation of the electronic device are also stored in the RAM. The processing device, the ROM, and the RAM are connected to each other through a bus. An input / output (I / O) interface is also connected to the bus.

[0060] Generally, the following means can be connected to the I / O interface: input means including, for example, a sensor or a visual information collection device; output means including, for example, a display screen; storage means including, for example, a magnetic tape, a hard disk, etc.; and communication means. The communication means can allow the electronic device to communicate wirelessly or by wire with other devices, such as an edge computing device, to exchange data. Although Figure 3 An electronic device having various means is shown, but it is understood that all of the shown means are not required to be implemented or possessed. More or fewer means can be alternatively implemented or possessed.

[0061] In particular, according to embodiments of the present disclosure, the processes described above with reference to the flowcharts can be implemented as a computer software program. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer-readable medium, the computer program containing program code for executing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network through the communication means, or installed from the storage means, or installed from the ROM. When the computer program is executed by the processing means, all or part of the steps of the processing method for fuel cell inspection system disconnection failure of the fuel cell inspection system processing method of embodiments of the present disclosure are executed.

[0062] Detailed descriptions of the present embodiments can refer to the corresponding descriptions in the foregoing embodiments, which will not be repeated here.

[0063] A computer-readable storage medium according to embodiments of the present disclosure has non-transitory computer-readable instructions stored thereon. When the non-transitory computer-readable instructions are run by a processor, all or part of the steps of the processing method for fuel cell inspection system disconnection failure of the fuel cell inspection system processing method of embodiments of the present disclosure described above are executed.

[0064] The computer-readable storage medium described above includes, but is not limited to, an optical storage medium (for example, CD-ROM and DVD), a magneto-optical storage medium (for example, MO), a magnetic storage medium (for example, a magnetic tape or a mobile hard disk), a medium with a built-in rewritable non-volatile memory (for example, a memory card), and a medium with a built-in ROM (for example, a ROM cartridge).

[0065] Detailed descriptions of the present embodiments can refer to the corresponding descriptions in the foregoing embodiments, which will not be repeated here.

[0066] The above describes the basic principles of the present disclosure in combination with specific embodiments, but it should be noted that the advantages, benefits, effects and the like mentioned in the present disclosure are only examples and are not limiting, and these advantages, benefits, effects and the like cannot be considered as necessary for each embodiment of the present disclosure. In addition, the specific details of the above disclosure are only for the purpose of example and for the purpose of understanding, and are not limiting, and the above details do not limit the present disclosure to be necessarily implemented with the above specific details.

[0067] In the present disclosure, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. The block diagrams of the devices, apparatuses, equipment, systems involved in the present disclosure are only illustrative examples and are not intended to require or imply the connection, arrangement, configuration as shown in the block diagram. As those skilled in the art will recognize, these devices, apparatuses, equipment, systems can be connected, arranged, configured in any manner. Words such as "include", "contain", "have" and the like are open-ended words, which mean "including but not limited to", and can be used interchangeably. The words "or" and "and" used herein mean the word "and / or", and can be used interchangeably unless the context clearly indicates otherwise. The word "such as" used herein means the phrase "such as but not limited to", and can be used interchangeably.

[0068] In addition, as used herein, "or" used in the list of items preceded by "at least one of" means a disjunctive list, such that, for example, a list of "at least one of A, B, or C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the phrase "example of" does not mean the example described is preferred or better than other examples.

[0069] It should also be noted that in the systems and methods of the present disclosure, the components or steps can be decomposed and / or recombined. These decompositions and / or recombinations should be considered as equivalents of the present disclosure.

[0070] Various changes, substitutions and alterations can be made to the technology described herein without departing from the teachings of the technology defined by the appended claims. Further, the scope of the claims of the present disclosure is not limited to the specific aspects of the process, machine, manufacture, composition of matter, means, methods and acts described above. Processes, machines, manufacture, compositions of matter, means, methods or acts currently existing or later developed that perform substantially the same function or achieve substantially the same result as the corresponding aspects described herein can be utilized. Accordingly, the appended claims include within their scope such processes, machines, manufacture, compositions of matter, means, methods or acts.

[0071] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other aspects without departing from the scope of the disclosure. Thus, the present disclosure is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0072] The above description has been presented to enable any person skilled in the art to make or use the disclosure. Furthermore, the purpose of the above description is not intended to limit the embodiments of the present disclosure to the form disclosed herein. Although various example aspects and embodiments have been discussed above, those of ordinary skill in the art will appreciate a variety of modifications, alternatives, permutations, additions, and sub-combinations of the described aspects and embodiments.

Claims

1. A method for handling a disconnection fault in a fuel cell inspection system, characterized in that: Including: Obtain the voltage of each cell of the fuel cell to get multiple single-cell voltages; Judge whether two adjacent single-cell voltages are one positive and one negative; Judge whether the difference between two adjacent single-cell voltages that are one positive and one negative and a base value fluctuates continuously within a set range for more than a set duration; If it fluctuates continuously within the set range for more than the set duration, it is determined as a disconnection fault of the inspection system; Mask the single cell determined as having a disconnection fault of the inspection system, and assign the average single-cell voltage of the fuel cell to the single cell with the disconnection fault of the inspection system as the voltage of the single cell with the disconnection fault of the inspection system. The average single-cell voltage is the average value of the voltages of other single cells except the single cell with the disconnection fault of the inspection system. The obtaining the voltage of each cell of the fuel cell to get multiple single-cell voltages includes: Within the full operating condition range, the inspection system inspects each single cell of the fuel cell to obtain the voltage of each single cell; In the judgment of whether the difference between two adjacent single-cell voltages that are one positive and one negative and a base value fluctuates continuously within a set range for more than a set duration, the base value is A, the minimum value of the set range is -B, and the maximum value of the set range is +B; 1000mv < A < 1500mv, 100mv < B < 200mv; the set duration is 3s.

2. An electronic device, characterized in that: The electronic device includes: At least one processor; and, a memory communicatively connected to the at least one processor; wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the method for handling the disconnection fault of the fuel cell inspection system according to claim 1.

3. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer instructions for causing a computer to execute the method for handling the disconnection fault of the fuel cell inspection system according to claim 1.

Citation Information

Patent Citations

  • Method and device for processing fault of fuel cell voltage inspection system and vehicle

    CN114779149A

  • Apparatus for detecting cell voltage

    JP2006134744A