CN117110898A - Fuel cell voltage inspection controller detection system and method - Google Patents
Fuel cell voltage inspection controller detection system and method Download PDFInfo
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- CN117110898A CN117110898A CN202310987447.1A CN202310987447A CN117110898A CN 117110898 A CN117110898 A CN 117110898A CN 202310987447 A CN202310987447 A CN 202310987447A CN 117110898 A CN117110898 A CN 117110898A
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- 239000000446 fuel Substances 0.000 title claims abstract description 138
- 238000007689 inspection Methods 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 19
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04544—Voltage
- H01M8/04552—Voltage of the individual fuel cell
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
- G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a detection system and a detection method of a fuel cell voltage inspection controller, wherein the detection system comprises an upper computer and a voltage module; the upper computer sets an output voltage value according to a user instruction and outputs a corresponding analog signal to the voltage module; the voltage module outputs a corresponding voltage signal to a fuel cell voltage inspection controller to be detected according to an analog signal from the upper computer; the fuel cell voltage inspection controller generates a voltage analog signal according to the detected voltage value and transmits the voltage analog signal to the upper computer; and the upper computer determines the accuracy of the fuel cell voltage inspection controller according to the voltage analog signal and the output voltage value. The invention can provide stable input voltage for detection for the fuel cell voltage inspection controller, and can also detect the precision of CVM.
Description
Technical Field
The invention relates to the technical field of detection of a fuel cell voltage inspection controller, in particular to a system and a method for detecting the fuel cell voltage inspection controller.
Background
The fuel cell inspection module (CVM) is an important component for detecting the fuel cell engine system, and the controller can accurately detect the single-chip voltage of the fuel cell stack in real time, analyze and process the monitored single-chip voltage data group in real time, and monitor, diagnose and store the state and the performance of the single-chip cell of the fuel cell stack. The existing method for detecting the CVM is to connect the CVM with the fuel cell stack and then start the output voltage of the fuel cell stack to the CVM so as to observe whether the CVM operates normally. However, the voltage output from the cell stack is unstable. In addition, the detection of the CVM by using the fuel cell stack can only determine whether the CVM can normally work, and the accuracy of the CVM cannot be detected.
Disclosure of Invention
The invention provides a detection system of a fuel cell voltage inspection controller, which aims to solve the technical problems of unstable voltage and low detection precision in CVM detection.
In order to solve the above technical problems, an embodiment of the present invention provides a detection system for a voltage inspection controller of a fuel cell, including: the upper computer and the voltage module;
the upper computer, the voltage module and the fuel cell voltage inspection controller to be detected are electrically connected in pairs;
the upper computer is used for receiving an output voltage setting instruction input by a user; determining an output voltage value according to the output voltage setting instruction; generating an analog signal according to the output voltage value; outputting the analog signal to the voltage module;
the voltage module is used for outputting a corresponding voltage signal to the fuel cell voltage inspection controller according to the analog signal, so that the fuel cell voltage inspection controller detects according to the voltage signal, generates a voltage detection analog signal and transmits the voltage detection analog signal to the upper computer;
the upper computer is also used for receiving and analyzing the voltage detection analog signal to obtain a voltage value detected by the fuel cell voltage inspection controller; and comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result.
Preferably, the upper computer receives the voltage detection analog signal through a CAN card.
As a preferred solution, the upper computer compares the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determines the accuracy of the fuel cell voltage inspection controller according to the comparison result, including:
calculating a difference between the voltage value detected by the fuel cell voltage inspection controller and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller.
As a preferable solution, the upper computer is further configured to: determining the number of the channel to be tested according to the output voltage setting instruction; generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to the voltage module;
the voltage module is configured to output a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal, so that the fuel cell voltage inspection controller detects according to the voltage signal, and includes:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller detects the corresponding channel to be detected according to the voltage signal, and a voltage detection analog signal is generated.
The invention also provides a detection method of the fuel cell voltage inspection controller, which is suitable for an upper computer in the detection system of the fuel cell voltage inspection controller; the fuel cell voltage inspection controller detection method comprises the following steps:
receiving an output voltage setting instruction input by a user;
determining an output voltage value according to the output voltage setting instruction; generating an analog signal according to the output voltage value;
outputting the analog signal to a voltage module, so that the voltage module outputs a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal; so that the fuel cell voltage inspection controller detects according to the voltage signal to generate a voltage detection analog signal;
receiving and analyzing the voltage detection analog signal to obtain a voltage value detected by a fuel cell voltage inspection controller;
and comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result.
Preferably, the voltage detection analog signal is received by a CAN card.
As a preferred solution, the comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result includes:
calculating a difference between the voltage value detected by the fuel cell voltage inspection controller and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller.
Preferably, the method further comprises:
determining the number of the channel to be tested according to the output voltage setting instruction;
generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to a voltage module;
and outputting a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal so that the fuel cell voltage inspection controller detects according to the voltage signal, wherein the method comprises the following steps:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller detects the corresponding channel to be detected according to the voltage signal, and a voltage detection analog signal is generated.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides a fuel cell voltage inspection controller detection system and a method, wherein the system comprises the following steps: generating an analog signal according to the output voltage setting instruction, thereby generating a stable voltage signal so that the voltage for detecting the CVM is stable; and the CVM detects the voltage signal and generates a voltage detection analog signal, a voltage value detected by the CVM is obtained according to the voltage detection analog signal, and the voltage value detected by the CVM is compared with the output voltage value, so that the accuracy of the CVM is evaluated.
The invention generates analog signals through the upper computer, and the voltage module controls and outputs stable voltage signals, and provides stable input voltage for detecting CVM when controlling and detecting CVM. Besides, the invention can not only judge whether the CVM works normally or not through the voltage value detected by the CVM, but also detect the precision of the CVM.
Drawings
FIG. 1 is a schematic diagram of a fuel cell voltage patrol controller detection system of the present invention;
fig. 2 is a flow chart of a method for detecting a voltage patrol controller of a fuel cell according to the present invention.
Wherein, the reference numerals of the specification drawings are as follows: the system comprises a host computer 1, a voltage module 2 and a fuel cell voltage patrol controller 3.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a detection system of a fuel cell voltage inspection controller 3 according to an embodiment of the present invention includes: the upper computer 1 and the voltage module 2;
the upper computer 1, the voltage module 2 and the fuel cell voltage inspection controller 3 to be detected are electrically connected in pairs;
the upper computer 1 is used for receiving an output voltage setting instruction input by a user; determining an output voltage value according to the output voltage setting instruction; generating an analog signal according to the output voltage value; outputting an analog signal to the voltage module 2;
the voltage module 2 is used for outputting a corresponding voltage signal to the fuel cell voltage inspection controller 3 according to the analog signal, so that the fuel cell voltage inspection controller 3 detects according to the voltage signal, generates a voltage detection analog signal, and transmits the voltage detection analog signal to the upper computer 1;
the upper computer 1 is also used for receiving and analyzing the voltage detection analog signal to obtain the voltage value detected by the fuel cell voltage inspection controller 3; and comparing the voltage value detected by the fuel cell voltage inspection controller 3 with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller 3 according to the comparison result.
The upper computer 1, the voltage module 2 and the fuel cell voltage inspection controller 3 to be detected are connected in pairs; the upper computer 1 receives an output voltage setting instruction input by a user, analyzes the output voltage setting instruction to obtain an output voltage value set by the user, generates an analog signal corresponding to the output voltage value according to the output voltage value, and transmits the analog signal to the voltage module 2; after receiving the analog signal from the upper computer 1, the voltage module 2 outputs a voltage signal corresponding to the analog signal to the fuel cell voltage inspection controller 3 according to the analog signal; the fuel cell voltage inspection controller 3 receives the voltage signal from the voltage module 2, detects a voltage value according to the voltage signal, and generates a voltage detection analog signal; it should be noted that, there may be a difference between the voltage value detected by the fuel cell voltage inspection controller 3 and the output voltage value of the voltage module 2, and the difference is the basis for detecting the fuel cell voltage inspection controller 3 in this embodiment; the voltage detection analog signal contains information related to the voltage value detected by the fuel cell voltage inspection controller 3; the fuel cell voltage inspection controller 3 transmits a voltage detection analog signal to the upper computer 1; the upper computer 1 receives the voltage detection analog signal and analyzes the voltage detection analog signal to obtain a voltage value detected by the fuel cell voltage inspection controller 3; the upper computer 1 compares the voltage value detected by the fuel cell voltage inspection controller 3 with the output voltage value, and determines the accuracy of the fuel cell voltage inspection controller 3 according to the comparison result.
Note that, the upper computer 1 in this embodiment is any device having compiling software, receiving analysis data, and outputting an analog signal; the host computer 1 may be a single device or may be any combination device having the above functions. The voltage module 2 in the present embodiment is a device having a function of receiving an analog signal and outputting a voltage; the voltage module 2 can be connected to any CVM by means including, but not limited to, modifying the connector harness and outputting a standard voltage. The fuel cell voltage patrol controller 3 is any device having a function similar to that of the fuel cell patrol module.
In a preferred embodiment, the host computer 1 receives the voltage detection analog signal through a CAN card.
It should be noted that, the CAN card in this embodiment is any device that has a function of receiving and transmitting data messages. The CAN card converts the voltage detection analog signal from the fuel cell voltage inspection controller 3 into a signal which CAN be identified by the upper computer 1 according to a communication protocol.
In a preferred embodiment, the host computer 1 compares the voltage value detected by the fuel cell voltage inspection controller 3 with the output voltage value, and determines the accuracy of the fuel cell voltage inspection controller 3 according to the comparison result, including:
calculating the difference between the voltage value detected by the fuel cell voltage inspection controller 3 and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller 3.
The upper computer 1 calculates the difference between the voltage value detected by the fuel cell voltage inspection controller 3 and the output voltage value to obtain a difference value between the two values; and calculates the ratio of the difference to the output voltage value, and uses the ratio as the accuracy value of the fuel cell voltage inspection controller 3.
It should be noted that there are various methods and formulas for calculating the precision value, and the preferred embodiment only provides one of the methods for calculating the precision by the difference ratio.
In a preferred embodiment, the upper computer 1 is further configured to: determining the number of the channel to be tested according to the output voltage setting instruction; generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to the voltage module 2;
the voltage module 2 is configured to output a corresponding voltage signal to the fuel cell voltage inspection controller 3 according to the analog signal, so that the fuel cell voltage inspection controller 3 detects according to the voltage signal, and includes:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller 3 according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller 3 detects the corresponding channel to be detected according to the voltage signal and generates a voltage detection analog signal.
The upper computer 1 receives an output voltage setting instruction from a user, and analyzes the output voltage setting instruction to obtain an output voltage value and the number of a channel to be detected; the upper computer 1 generates a corresponding analog signal according to the output voltage value, and generates a channel selection instruction according to the number of the channel to be detected; the upper computer 1 transmits the analog signal and the channel selection instruction to the value voltage module 2; the voltage module 2 determines a channel to be detected of the fuel cell voltage inspection controller 3 according to the channel selection instruction, and generates a corresponding voltage signal according to the analog signal; the voltage module 2 transmits the voltage signal to a channel to be detected of the fuel cell voltage inspection controller 3; the fuel cell voltage inspection controller 3 receives the voltage signal through the channel to be detected and generates a corresponding voltage detection analog signal.
It should be noted that, the above-mentioned output voltage setting instruction includes not only the information related to the output voltage value, but also the information related to the channel number to be detected by the fuel cell voltage inspection controller 3. By determining the channels to be detected, the specific passage of the fuel cell voltage inspection controller 3 can be detected, and the output of different channels can be controlled by controlling the voltage input of different channels.
It should be noted that the system embodiments described above are merely schematic, where the modules described as separate components may or may not be physically separate, and the components shown as devio may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Example two
Referring to fig. 2, a method for detecting a voltage patrol controller 3 of a fuel cell according to an embodiment of the invention includes:
s1, receiving an output voltage setting instruction input by a user;
s2, determining an output voltage value according to an output voltage setting instruction; generating an analog signal according to the output voltage value;
s3, outputting an analog signal to the voltage module 2, so that the voltage module 2 outputs a corresponding voltage signal to the fuel cell voltage inspection controller 3 according to the analog signal; so that the fuel cell voltage inspection controller 3 detects according to the voltage signal to generate a voltage detection analog signal;
s4, receiving and analyzing the voltage detection analog signal to obtain a voltage value detected by the fuel cell voltage inspection controller 3;
s5, comparing the voltage value detected by the fuel cell voltage inspection controller 3 with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller 3 according to the comparison result.
In a preferred embodiment, the voltage detection analog signal is received by a CAN card.
In a preferred embodiment, comparing the voltage value detected by the fuel cell voltage inspection controller 3 with the output voltage value, determining the accuracy of the fuel cell voltage inspection controller 3 according to the comparison result, includes:
calculating the difference between the voltage value detected by the fuel cell voltage inspection controller 3 and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller 3.
In a preferred embodiment, the fuel cell voltage inspection controller 3 detection method further includes: determining the number of the channel to be tested according to the output voltage setting instruction;
generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to the voltage module 2;
the outputting a corresponding voltage signal to the fuel cell voltage inspection controller 3 according to the analog signal, so that the fuel cell voltage inspection controller 3 detects according to the voltage signal, including:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller 3 according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller 3 detects the corresponding channel to be detected according to the voltage signal and generates a voltage detection analog signal.
It will be clear to those skilled in the art that, for convenience and brevity, the specific working process of the apparatus described above may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A fuel cell voltage patrol controller detection system, comprising: the upper computer and the voltage module;
the upper computer, the voltage module and the fuel cell voltage inspection controller to be detected are electrically connected in pairs;
the upper computer is used for receiving an output voltage setting instruction input by a user; determining an output voltage value according to the output voltage setting instruction; generating an analog signal according to the output voltage value; outputting the analog signal to the voltage module;
the voltage module is used for outputting a corresponding voltage signal to the fuel cell voltage inspection controller according to the analog signal, so that the fuel cell voltage inspection controller detects according to the voltage signal, generates a voltage detection analog signal and transmits the voltage detection analog signal to the upper computer;
the upper computer is also used for receiving and analyzing the voltage detection analog signal to obtain a voltage value detected by the fuel cell voltage inspection controller; and comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result.
2. The fuel cell voltage patrol controller detection system of claim 1, wherein said host computer receives said voltage detection analog signal via a CAN card.
3. The fuel cell voltage inspection controller detection system according to claim 1, wherein the host computer compares the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determines the accuracy of the fuel cell voltage inspection controller based on the comparison result, comprising:
calculating a difference between the voltage value detected by the fuel cell voltage inspection controller and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller.
4. The fuel cell voltage patrol controller detection system of claim 1, wherein said host computer is further configured to: determining the number of the channel to be tested according to the output voltage setting instruction; generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to the voltage module;
the voltage module is configured to output a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal, so that the fuel cell voltage inspection controller detects according to the voltage signal, and includes:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller detects the corresponding channel to be detected according to the voltage signal, and a voltage detection analog signal is generated.
5. A method for detecting a fuel cell voltage inspection controller, which is characterized by being applicable to an upper computer in the fuel cell voltage inspection controller detection system according to any one of claims 1-4;
the fuel cell voltage inspection controller detection method comprises the following steps:
receiving an output voltage setting instruction input by a user;
determining an output voltage value according to the output voltage setting instruction; generating an analog signal according to the output voltage value;
outputting the analog signal to a voltage module, so that the voltage module outputs a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal; so that the fuel cell voltage inspection controller detects according to the voltage signal to generate a voltage detection analog signal;
receiving and analyzing the voltage detection analog signal to obtain a voltage value detected by a fuel cell voltage inspection controller;
and comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result.
6. The method of claim 5, wherein the voltage detection analog signal is received via a CAN card.
7. The method for detecting a fuel cell voltage inspection controller according to claim 5, wherein comparing the voltage value detected by the fuel cell voltage inspection controller with the output voltage value, and determining the accuracy of the fuel cell voltage inspection controller according to the comparison result, comprises:
calculating a difference between the voltage value detected by the fuel cell voltage inspection controller and the output voltage value;
and calculating the ratio of the difference value to the output voltage value to obtain the accuracy of the fuel cell voltage inspection controller.
8. The fuel cell voltage routing controller detection method according to claim 5, further comprising:
determining the number of the channel to be tested according to the output voltage setting instruction;
generating a channel selection instruction according to the number of the channel to be detected, and sending the channel selection instruction to a voltage module;
and outputting a corresponding voltage signal to a fuel cell voltage inspection controller according to the analog signal so that the fuel cell voltage inspection controller detects according to the voltage signal, wherein the method comprises the following steps:
and outputting a corresponding voltage signal to a channel to be detected corresponding to the fuel cell voltage inspection controller according to the analog signal and the channel selection instruction, so that the fuel cell voltage inspection controller detects the corresponding channel to be detected according to the voltage signal, and a voltage detection analog signal is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310987447.1A CN117110898A (en) | 2023-08-07 | 2023-08-07 | Fuel cell voltage inspection controller detection system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310987447.1A CN117110898A (en) | 2023-08-07 | 2023-08-07 | Fuel cell voltage inspection controller detection system and method |
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| CN117110898A true CN117110898A (en) | 2023-11-24 |
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| CN202310987447.1A Pending CN117110898A (en) | 2023-08-07 | 2023-08-07 | Fuel cell voltage inspection controller detection system and method |
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