CN115343626A - Battery testing system and method capable of customizing testing sequence - Google Patents

Battery testing system and method capable of customizing testing sequence Download PDF

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Publication number
CN115343626A
CN115343626A CN202211269561.2A CN202211269561A CN115343626A CN 115343626 A CN115343626 A CN 115343626A CN 202211269561 A CN202211269561 A CN 202211269561A CN 115343626 A CN115343626 A CN 115343626A
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test
function block
battery
test function
variable
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CN115343626B (en
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不公告发明人
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Ild Electronic Co ltd
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    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a battery test system and a method capable of self-defining a test sequence, wherein the system comprises a test function block generation module and a test sequence editing module, the test function block generation module generates a test function block file through a function block generation tool, the test sequence editing module imports the test function block file, each parameter of a test function block in the test function block file is loaded and displayed through the test sequence editing tool, the test sequence editing tool sets the information of a battery to be tested and the parameter of the test function block, and the test function blocks are sorted and combined to generate the test sequence file. The invention splits the test function block, the test sequence and the test variable, reduces the maintenance and the test workload brought by recoding, and greatly reduces the difficulty of revising the test function block.

Description

Battery test system and method capable of customizing test sequence
Technical Field
The invention relates to the technical field of battery testing, in particular to a battery testing system and method capable of customizing a testing sequence.
Background
In the battery test, the most important and critical part is the compilation and maintenance of the test function block. The test function blocks of the existing battery test scheme in the current market are compiled to be rigid, so that not only the test function block files need to be compiled in advance, but also the compiled test function blocks need to be re-encoded, re-tested and re-deployed when being changed. Inconvenience is brought to maintenance and use. Furthermore, the setting conditions in the test function block are difficult to be changed, and the new test rules are often required to be recoded to support. Time and labor consuming, and also not necessarily compliant with testing regulations.
Disclosure of Invention
The invention aims to: the defects of the prior art are overcome, and the battery testing system and the method capable of customizing the testing sequence are provided.
The invention discloses a battery test system capable of customizing a test sequence, which comprises a test function block generation module and a test sequence editing module, wherein the test function block generation module generates a test function block file through a function block generation tool, the test sequence editing module imports the test function block file, loads and displays each parameter of a test function block in the test function block file through the test sequence editing tool, the test sequence editing tool sets the information of a battery to be tested and the parameter of the test function block, and the test function blocks are sequenced and combined to generate the test sequence file.
Furthermore, the function block generation tool is used for generating an XML file with a corresponding test function block definition node according to a user test requirement, the XML file is a test function block file, and the XML file can be loaded by the test sequence editing tool.
Further, the test function block contains a variable name for the battery test, a type of the variable, a unit of the variable, a control type of the variable displayed in the test sequence editing tool, and a value of the variable.
Furthermore, the test sequence editing tool comprises a test function block display area, a test sequence editing area and an editing guide area, wherein the test function block display area lists and displays each test function block, the test sequence editing area is used for adjusting the list sequence of the test function blocks and setting parameters of the test function blocks, and the editing guide area guides the setting of each test function block listed in the test sequence editing area.
The test sequence editing tool is used for importing the battery parameters and the battery test function block parameters through manual input or through the variable library, and setting the information of the battery to be tested and the parameters of the test function block through the variable library custom variables and functions.
Further, adding and modifying the variable of the battery information to be detected in the variable library to generate a specification of the battery to be detected; the variable library may set or obtain run variables during battery testing using custom variables and functions, and use the run variables to control running, pausing of a test sequence, alerting a user to exceed a certain threshold, or to protect a battery under test.
The invention also discloses a battery test method capable of customizing the test sequence, and the battery test system based on the customized test sequence comprises the following steps:
the method comprises the following steps: setting a functional block to be tested in a battery test system through a functional block generating tool according to test requirements, and generating a test functional block file;
step two: importing a test function block file into a test sequence editing module, entering a test sequence editing interface, displaying each test function block in a test function block display area of the editing interface, loading the test function block file by a test sequence editing tool, setting parameters of the test function blocks in the test sequence editing area, adjusting the list sequence of the test function blocks, and generating the test sequence file after storing;
step three: and binding the stored test sequence file with the hardware channel, operating the test sequence file on the bound hardware, and testing the battery to be tested.
Further, in the second step, parameters of a variable library are manually input or imported into the test sequence editing area, parameter setting is carried out on the test function block, when the variable provided by the system does not meet the test requirement, an expression variable is constructed through the self-defined variable of the variable library and the self-defined function, and parameter setting is carried out on the test function block.
Furthermore, parameter setting is carried out on the test function blocks by importing variable library parameters, the list sequence of the function blocks in the test sequence is separated from the variables, and when the list sequence of the test function blocks is adjusted, the values of the variables do not need to be re-filled.
Further, the variables in the variable library may be referenced by the same type of variable in different test function blocks.
The battery test system and the method capable of customizing the test sequence, which are disclosed by the invention, split the test function block, the test sequence and the test variable, thereby reducing the maintenance and the test workload caused by recoding. The difficulty of revising the test function block is greatly improved. There are also many benefits to scaling. If a new test requirement exists, the test function block is compiled according to the appointed parameters again without secondary coding.
Drawings
FIG. 1 is a flow chart of the method of the present disclosure.
FIG. 2 is a block diagram of a current charging and discharging test sequence in the system disclosed by the present invention.
FIG. 3 is an exemplary diagram of a test function block file editing interface in the disclosed system.
FIG. 4 is an exemplary diagram of an editing interface of a test sequence editing tool in the disclosed system.
Detailed Description
The following examples are given for the detailed implementation and the specific operation procedures, but the scope of the present invention is not limited to the following examples.
The invention discloses a battery test system capable of customizing a test sequence, which adopts a CS framework to separate a test function block from the test sequence, so that the test function block and the test sequence do not have one-to-one correspondence. The system comprises a test function block generation module, a test sequence editing module and a variable library, wherein the test function block generation module generates a test function block file through a function block generation tool, the test sequence editing module imports the test function block file, each parameter of a test function block in the test function block file is loaded and displayed through the test sequence editing tool, the test sequence editing tool sets the information of a battery to be tested and the parameter of the test function block, and the test function blocks are sequenced and combined to generate the test sequence file. The variable library is used for storing battery parameters, battery test function block parameters and adding custom variables and functions.
The function block generating tool is used for generating an XML file with corresponding test function block definition nodes according to the test requirements of a user, and the XML file is a test function block file.
Defining each node in XML and defining the attribute of the node, wherein the defined node comprises the following components:
project-start in a test function block.
Item: and testing the test information in the functional block.
Setting: and testing the setting information in the functional block.
Waring: the warning information in the functional block is tested.
Protection: and testing the protection information in the functional block.
Stop: and testing the setting condition and the outlet setting in the function block.
Sample: the sampling rate test in the functional block is tested.
Save: the settings of the functional block are tested, saved to data.
Measurement: the settings in the measurement process in the functional block are tested.
ParmList: the process variable settings in the function blocks are tested.
CommandList: the command settings in the functional block are tested.
CustomFunList: and testing the custom function setting in the function block.
As shown in fig. 3, the function block generation tool includes a text box, a drop-down box, an add, a delete, an empty and a configure, where the text box is used to input information including ID, version, module name, remark, etc., the drop-down box is used to select a test function block, and the add, delete, empty and configure are respectively used to add, delete, empty and modify a setting item, a warning item, a protection item, a stop condition item, a machine sampling item, a data storage item, a measurement parameter item, a command list item, etc., required in the battery test system.
The method comprises the steps of adding required setting items, warning items, protection items, stop condition items, machine sampling items, data storage items, measurement parameter items, command list items and the like in an editing text box, a drop-down box and a battery test system into each node corresponding to an XML file to generate a test function block file meeting requirements. So that the test system can be loaded into the test system as a test function block as long as the definition of the test system is met.
The generated test function block file at least comprises a setting item, a warning item, a protection item, a stop condition item, a machine sampling item, a data storage item, a measurement parameter item and a command list item required in the battery test system. If the user has a self-defined variable or function, the user also comprises a parameter list item and a function list item. After being generated, the items are stored as an XML file and can be loaded by the test sequence tool so as to be called by the test sequence tool at any time.
Each test function block should contain the name of the variable used for the battery test, the type of the variable, the unit of the variable, the type of the variable, and the type of the control that the variable displays in the test sequence tool. The value of the variable, the maximum value supported by the variable (such as the maximum charging current of a battery), the minimum value supported by the variable (such as the minimum charging current of a battery), the English description of the variable, the simplified Chinese description of the variable, the traditional Chinese description of the variable, and the remark explanation of the variable. The types of variables include boolean, integer, floating point, string, integer array, floating point array, string array. For indicating various variable types during battery testing. So that the variables can be correctly stored and used. The control types comprise a self-defined text box, a selection box, a drop-down box, a selection drop-down box, a digital input box (comprising an up-down clicking adjustment digital box), a switch, a file selection box, a DBC special control, a pulse combination control special for battery testing, a working condition combination control special for battery testing, a step control special for battery testing and the like.
The test sequence editing tool loads the test function block file, generates a control editing interface corresponding to the test function block according to the test function block contained in the test function block file, and the user sets the parameters of each control and sorts and combines the set test function blocks to generate the test sequence file.
Specifically, as shown in fig. 4, the test sequence editing tool includes a test function block display area 1, a test sequence editing area 2, and an editing guide area 3. And importing the edited test function block file into a test sequence editing tool, wherein the test function block display area 1 lists parameters of each test function block in the test function block file. The test sequence editing area 2 is used for adding and modifying the information of the battery to be tested or the variables of the test function blocks, adjusting the sequence of the test function blocks by moving and adjusting the upper and lower positions of each test function block in the list, and can also add, modify and delete each test function block. The edit guidance area 3 is used for guiding the setting of each test function block listed in the test sequence edit area, and can guide an operator to perform variable setting on the parameters of the function blocks in the test sequence edit area in a flow chart manner.
As shown in fig. 2, in the test sequence editing area, the information of the battery to be tested or the variables of the test function block are added and modified through the test function block control editing interface, the modification mode includes manual input and introduction of parameters of a variable library, and when the variables provided by the system do not meet the test requirements, the expression variables are constructed through the custom variables and the custom functions of the variable library, so as to set the parameters of the test function block. The values of the imported variables do not need to be re-filled regardless of the change in the order of the test function blocks in the test sequence.
The system can completely separate the list sequence of the functional blocks in the test sequence from the variables through the independent variable library. These variables also support variations. Variables in the variable library may be referenced in the same type of variable in each test function block. The types are further classified into voltage, current, temperature, time, and the like.
The variable library can generate the specification of the battery to be tested by adding and modifying the variable of the information of the battery to be tested. The specification of the battery to be tested at least comprises parameters of charging voltage, nominal voltage, discharging cut-off voltage, charging current, discharging current, rated current, nominal capacity, charging stopping time, alternating current internal resistance, minimum capacity, maximum charging current, maximum discharging current and the like. The battery specification to be tested may include a plurality of battery specifications. Different battery files to be tested can be called when a test sequence is built.
The variable library includes, in addition to various parameters of the battery specification, various system-provided variables such as total real-time discharge energy, maximum channel voltage, maximum channel current, voltage ripple difference, current ripple difference, voltage change rate, current change rate, internal dc resistance, internal ac resistance, time difference, voltage difference, current difference, capacity difference, counters, temporary test times, temporary charge total capacities, temporary discharge total capacities, temporary charge total energies, temporary discharge total energies, auxiliary channel voltage, auxiliary channel temperature, auxiliary channel DI, auxiliary channel DO, auxiliary channel internal ac resistance, auxiliary channel voltage difference, auxiliary channel voltage change rate, auxiliary channel temperature change rate, BMS real-time adjustment, remote voltage, local voltage, and the like.
The self-defined variables include the name of the variable, the value of the variable, the unit of the variable, the remark of the variable, the label of the variable, and whether the variable is globally available. The system provides various variables, self-defined variables and functions are built through the "+", "-", "×", "/", "%", and the functions of maximum value, minimum value, average value and the like of multiple data can be solved. The variable library can be changed into various self-defined variables, and expression variables can also be constructed, so that the test sequence is flexible and variable, and the variables or functions can be added, modified, deleted and the like. By utilizing the variables, the running variables of the battery during testing can be flexibly acquired, and the variables are used for controlling the running of the testing sequence, suspending, warning a user of exceeding a certain threshold value or protecting the battery under test.
As shown in fig. 1, the invention also discloses a battery test method based on the above-mentioned battery test system with a customizable test sequence, which comprises the following steps:
the method comprises the following steps: and setting the functional blocks to be tested in the battery test system through the functional block generating tool according to the test requirements, and generating a test functional block file.
The generated test function block file at least comprises a setting item, a warning item, a protection item, a stop condition item, a machine sampling item, a data storage item, a measurement parameter item and a command list item required in the battery test system. If the user has a self-defined variable or function, a parameter list item and a function list item are also included. After being generated, the items are stored as an XML file and can be loaded by the test sequence tool so as to be called by the test sequence tool at any time.
Step two: the method comprises the steps of importing a test function block file into a test sequence editing module, entering a test sequence editing interface, displaying each test function block in a test function block display area of the editing interface, loading the test function block file by a test sequence editing tool, setting parameters of the test function blocks in the test sequence editing area, adjusting the list sequence of the test function blocks, and generating the test sequence file after storing.
For convenience of viewing, the test function block display area can display the information of the battery to be tested, the test function block and the user-defined item in a classified mode.
And when the variable provided by the system does not meet the test requirement, an expression variable is constructed through the variable library custom variable and the custom function, and the parameter of the test function block is set. The self-defined variables include the name of the variable, the value of the variable, the unit of the variable, the remark of the variable, the label of the variable, and whether the variable is globally available. According to the invention, the list sequence of the function blocks in the test sequence and the test variables are respectively and separately set through the independent variable library, so that the efficiency and the accuracy of manufacturing the test sequence are greatly improved. So that the incidence relation between the two is split. The variables in the battery test process may be set to various preset variables provided in the system, or may be configured by a user by using various operators.
The list order of the function blocks in the test sequence can be completely separated from the variables through an independent variable library. And performing parameter setting on the test function block by importing or selecting parameters of a variable library, splitting the list sequence of the function blocks in the test sequence with the variables, and when the list sequence of the test function block is adjusted, the values of the variables do not need to be re-filled.
Variables in the variable library may be referenced in the same type of variable in each test function block, that is, the various variables that are constructed may all be used for the portion of the test function block that requires input values, so that the test function block used in the test flow is separated from the variable values. The test function block is a function and the test value is a numerical value.
In this embodiment, by dragging and dropping the test function block displayed in the test function block display area list to the test sequence editing area, parameter setting is performed on the control editing interface of the battery information to be tested in the test sequence editing area, and the test function block displayed in the display area list can also be displayed in a manner of clicking to display the test function block to the editing area.
The test sequence editing area adjusts the sequence of the test function blocks by moving and adjusting the upper and lower positions of each test function block in the list, and can also add, modify and delete each test function block.
Step three: and binding the stored test sequence file with the hardware channel, operating the test sequence file on the bound hardware, and testing the battery to be tested.
The invention provides a method for flexibly setting a test sequence file and a test function block, so that the battery test can meet various test requirements in the current market.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The battery test system capable of customizing the test sequence is characterized by comprising a test function block generation module and a test sequence editing module, wherein the test function block generation module generates a test function block file through a function block generation tool, the test sequence editing module imports the test function block file, and loads and displays each parameter of the test function block in the test function block file through a test sequence editing tool, the test sequence editing tool sets the information of a battery to be tested and the parameters of the test function block, and the test function blocks are sequenced and combined to generate the test sequence file.
2. The system of claim 1, wherein the function block generation tool is configured to generate an XML file with corresponding test function block definition nodes according to user test requirements, and the XML file is a test function block file that can be loaded by the test sequence editing tool.
3. The system of claim 2, wherein the test function block contains a variable name for the battery test, a type of the variable, a unit of the variable, a control type of the variable displayed in the test sequence editing tool, and a value of the variable.
4. The system of claim 1, wherein the test sequence editing tool comprises a test function block display area, a test sequence editing area, and an editing guide area, wherein the test function block display area lists and displays each test function block, the test sequence editing area is used for adjusting the list sequence of the test function blocks and setting parameters of the test function blocks, and the editing guide area guides the setting of each test function block listed in the test sequence editing area.
5. The battery test system of claim 1, further comprising a variable library, wherein the variable library is used for storing battery parameters, battery test function block parameters, and adding custom variables and functions, the test sequence editing tool imports the battery parameters and the battery test function block parameters through manual input or through the variable library, and sets the information of the battery to be tested and the parameters of the test function blocks through the variable library custom variables and functions.
6. The battery test system of claim 5, wherein the variable library is configured to generate a specification of the battery to be tested by adding and modifying variables of the information of the battery to be tested; the variable library may set or obtain run variables for battery testing using custom variables and functions, and use the run variables to control running of a test sequence, suspend, alert a user to exceed a certain threshold, or protect a battery under test.
7. A battery test method based on the battery test system of any one of claims 1-6, comprising the following steps:
the method comprises the following steps: setting a functional block to be tested in a battery test system through a functional block generating tool according to test requirements, and generating a test functional block file;
step two: importing a test function block file into a test sequence editing module, entering a test sequence editing interface, displaying each test function block in a test function block display area of the editing interface, loading the test function block file by a test sequence editing tool, setting parameters of the test function blocks in the test sequence editing area, adjusting the list sequence of the test function blocks, and generating the test sequence file after storing;
step three: and binding the stored test sequence file with the hardware channel, operating the test sequence file on the bound hardware, and testing the battery to be tested.
8. The battery test method of claim 7, wherein in step two, parameters of a variable library are manually input or imported into the test sequence editing area to set the parameters of the test function block, and when the variables provided by the system do not meet the test requirements, expression variables are constructed through the variable library custom variables and the custom function to set the parameters of the test function block.
9. The method as claimed in claim 8, wherein the parameters of the test function blocks are set by importing the parameters of a variable library, the list order of the function blocks in the test sequence is separated from the variables, and the values of the variables do not need to be re-filled when adjusting the list order of the test function blocks.
10. The method of claim 8, wherein the variables in the variable library can be referenced by the same type of variable in different test function blocks.
CN202211269561.2A 2022-10-18 2022-10-18 Battery test system and method capable of customizing test sequence Active CN115343626B (en)

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