CN111830412A - EOL test method and device - Google Patents
EOL test method and device Download PDFInfo
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- CN111830412A CN111830412A CN202010666864.2A CN202010666864A CN111830412A CN 111830412 A CN111830412 A CN 111830412A CN 202010666864 A CN202010666864 A CN 202010666864A CN 111830412 A CN111830412 A CN 111830412A
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- 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
Abstract
The invention relates to an EOL test method, which comprises the following steps: monitoring the appointed position of the needle bed, triggering the PLC to control the scanning assembly to scan the module when the module position is detected to be accurate, and obtaining module codes corresponding to the module, wherein the module codes correspond to the modules one by one; sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information; acquiring test information and module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information; and marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy. The testing process does not need manual intervention, can realize full-automatic testing, and the efficiency of software testing is high, has solved the problem that efficiency of software testing is low, the yields of good products are low well.
Description
Technical Field
The invention relates to the field of battery testing, in particular to an EOL testing method and device.
Background
The EOL (End of line test) comprehensive test is to comprehensively test the battery module and the PACK before the assembly is finished and before the assembly is finished, screen the battery through the EOL test, select the NG (good) products which do not meet the requirements, and improve the quality of the products. The EOL test items comprise safety inspection, charging and discharging performance inspection, insulation impedance inspection and the like. Most of current EOL tests are performed by manually controlling an upper computer, and then the battery modules are detected one by one through a test module, so that the test efficiency of the method is extremely low, and due to the fact that the test temperature rises, the NG products are frequently missed, the good product accuracy is low, and the test accuracy is low.
Disclosure of Invention
Therefore, it is necessary to provide an EOL testing method, which can achieve a testing process without manual intervention, can complete a test fully automatically, and has high testing accuracy.
In addition, it is necessary to provide an EOL testing apparatus, which can complete the testing automatically without manual intervention during the testing process, and has high testing accuracy.
An EOL test comprising the steps of:
monitoring the appointed position of the needle bed, and triggering a PLC (programmable logic controller) to control a scanning assembly to scan the module when the position of the module is detected to be accurate, so as to obtain module codes corresponding to the module, wherein the module codes correspond to the modules one by one;
after scanning is finished, sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information;
acquiring test information and the module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information;
and marking the modules with abnormal test items, displaying corresponding error reporting information according to the abnormal conditions, and prompting a processing strategy.
In one embodiment, before the step of monitoring the designated position of the needle bed and detecting that the position of the module is accurate, that is, triggering the PLC controller to control the scanning assembly to scan the module, the method further comprises the following steps:
and acquiring a test script, and modifying a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information.
In one embodiment, the test module includes at least one of an alternating current internal resistance module, a multimeter module, and an insulation and voltage resistance module, the test modules are sequentially started by the PLC controller according to a preset sequence, and the step of traversing the EOL test module to test the module includes:
the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
In one embodiment, the abnormal condition further includes environmental abnormal information, the error report information is displayed to have a corresponding error type, and the step of displaying the error report information according to the abnormal condition and prompting the processing policy further includes:
and displaying error reporting information according to the module abnormal information and the environment abnormal information, and prompting a corresponding processing strategy according to the type of the error reporting information.
In one embodiment, the method further comprises the steps of:
when the temperature data is greater than the first threshold value, an air conditioning module is used for cooling so that the ambient temperature data is lower than the first threshold value;
and when the humidity data is larger than the second threshold value, dehumidifying by using an air conditioning module so that the environment humidity data is lower than the second threshold value.
An EOL test apparatus comprising:
the monitoring scanning module is used for monitoring the appointed position of the needle bed, and triggering the PLC to control the scanning assembly to scan the module when the accurate position of the module is detected, so that the module codes corresponding to the module are obtained, and the module codes correspond to the module one by one;
the test module is used for starting the test modules in sequence according to a preset sequence through the PLC after the scanning is finished, traversing the EOL test module to test the module and storing corresponding test information;
the judging module is used for acquiring test information and the module codes sent by the PLC, comparing the test information with a pre-stored preset table and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information;
and the marking error reporting module is used for marking the modules with abnormal test items, displaying corresponding error reporting information according to the abnormal conditions and prompting a processing strategy.
In one embodiment, the apparatus further comprises:
the configuration module is used for acquiring a test script and configuring a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information; the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
In one embodiment, the apparatus further comprises:
the temperature and humidity regulation and control module is used for acquiring environmental temperature data in real time, and when the temperature data is greater than the first threshold value, the temperature is reduced by using the air conditioning module so that the environmental temperature data is lower than the first threshold value; and when the humidity data is larger than the second threshold value, dehumidifying by using an air conditioning module so that the environment humidity data is lower than the second threshold value.
A computer device comprising a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the EOL testing method provided in the above embodiments of the invention when executing the program.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the EOL testing method provided in the above-described embodiments of the present invention.
According to the EOL testing method and device, the designated position of the needle bed is monitored, the module position is detected to be accurate, the PLC is triggered to control the scanning assembly to scan the module, the testing modules are sequentially started according to the preset sequence, the EOL testing module is traversed to test the module, the testing information is compared with the preset table stored in advance, the abnormal condition of the module is judged, the module with the abnormal testing item is marked, corresponding error reporting information is displayed according to the abnormal condition and the environment abnormal condition, a processing strategy is prompted, manual intervention is not needed in the testing process, full-automatic testing can be achieved, testing efficiency is high, meanwhile, accurate control of temperature and humidity can improve testing accuracy, and the problems of low testing efficiency and low yield accuracy are well solved.
Drawings
FIG. 1 is a schematic flow chart of a method for EOL testing in one embodiment;
FIG. 2 is a schematic flow chart of a method for EOL testing in another embodiment;
FIG. 3 is a schematic diagram of an EOL testing apparatus according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, an EOL test includes the following steps:
and S102, monitoring the designated position of the needle bed, triggering the PLC to control the scanning assembly to scan the module when the module position is detected to be accurate, and obtaining the module code corresponding to the module, wherein the module code corresponds to the module one by one.
Specifically, the module is formed by combining a plurality of battery cells in series and parallel, after the module is formed, various performance tests are performed on the whole module, namely an End of line test (EOL) test, and an ng (good) module which cannot meet the test standard is selected before the module is off-line. The EOL test of the module requires the cooperation of the needle bed and the EOL test device in the method, and the module can be driven by a production line to move. The terminal monitors the appointed position on the needle bed (the terminal also is an upper computer in the scheme), the monitoring mode can be that the fixed time interval is taken pictures, whether a module exists or not is identified according to the captured images, whether the module is in the appointed position or not, or a pressure sensor is adopted to detect whether the module exists or not and whether the module is in the appointed position or not, when the module is in the appointed position, the module position is indicated to be accurate, and the next step of scanning and detection can be carried out.
The unique module codes exist in each module, the module codes correspond to the modules one to one, follow-up maintenance and repair are convenient, and problems can be traced. When the terminal detects that the position of the module is accurate, the PLC is triggered to control the scanning assembly to scan the module, the scanning mode can be a bar code, a two-dimensional code or an RFID (Radio frequency identification) or the like, and the PLC uploads the module code to the terminal for display after acquiring the module code.
And step S104, after the scanning is finished, sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information.
Specifically, the test module includes exchanging internal resistance module, the universal meter module, at least one among the withstand voltage module, exchange internal resistance module and be used for measuring the interchange internal resistance of module, the universal meter is used for measuring open circuit voltage and the electric core voltage of module, withstand voltage module is used for measuring the insulating of module, withstand voltage, the PLC controller is connected the communication with above-mentioned a plurality of test module respectively, can only have a test module to test the module simultaneously at a certain moment, test module's project selection and test order can set up according to the test demand in advance. Communication can be carried out by adopting modes such as RS232 serial ports, Ethernet and the like. The PLC sequentially starts the test modules according to a preset sequence, traverses the EOL test modules to test the modules, stores test information corresponding to each test item, can distinguish different test items, and sends the test information to the terminal when the terminal needs the test information.
And S106, acquiring test information and module codes sent by the PLC, comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information.
The module codes correspond to the test information one to one, the test information comprises the name of each test module tested by the module corresponding to the module codes, and different test items can be distinguished by the names or by the test sequence. The terminal is pre-stored with preset tables corresponding to the modules, the modules of different types correspond to different preset tables, and the types of the modules can be obtained according to module codes. For example, the number of a particular location of the module code corresponds to the type of module. The standard data in the preset tables corresponding to the different types of modules are also different.
After the terminal acquires the test information and the module codes sent by the PLC, the corresponding preset table is matched according to the module codes, then the test information is compared with all data in the preset table, and the NG (good) module with problems is selected.
And step S108, marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy.
After the terminal acquires the information of the NG module, the terminal marks the module (namely the NG module) with abnormal test items, and the marking mode can label the NG module and move the NG module to an unqualified NG module area from the position on the production line. Meanwhile, the terminal generates corresponding error reporting information according to the information and continuously displays the error reporting information on the display, and prompts an operator to process the strategy of the NG module. The processing strategy comprises the steps of waiting for unified processing in the NG module area and automatically transporting the production line back to the previous step for disassembly processing.
In the embodiment, the designated position of the needle bed is monitored, and when the module position is detected to be accurate, the PLC is triggered to control the scanning assembly to scan the module, so that the module codes corresponding to the module are obtained, wherein the module codes correspond to the modules one to one; sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information; acquiring test information and module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information; and marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy. The testing process does not need manual intervention, can realize full-automatic testing, and the efficiency of software testing is high, has solved the problem that efficiency of software testing is low, the yields of good products are low well.
In a further embodiment, as shown in fig. 2, fig. 2 is a schematic flow chart of an EOL test in an embodiment, the specified position of the needle bed is monitored, and before the step of triggering the PLC controller to control the scanning component to scan the module when the position of the module is detected to be accurate, the method further includes the following steps:
and S101, acquiring a test script, and modifying a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information.
Specifically, the test parameters and the test standards corresponding to the module test items of different models are different, and the terminal needs to make a preset table corresponding to the modules of different models in advance, so that the terminal can be directly used during subsequent comparison. The traditional test parameter setting and the preset table setting are mostly set after one item is opened in a manual mode, a script file is adopted in the scheme for inputting, the script file contains test parameters corresponding to various types of modules and standard data in the preset table, the terminal can automatically acquire data from the script file and fill the data into corresponding items, the operation is quick and convenient, the parameter setting of various types of modules can be completed at one time, and various types of preset tables can be realized. The testing process does not need manual intervention, can realize full-automatic testing, and the efficiency of software testing is high, has solved the problem that efficiency of software testing is low, the yields of good products are low well.
In a further embodiment, the test module comprises at least one of an alternating current internal resistance module, a multimeter module and an insulation and voltage resistance module, the test module is sequentially started through the PLC controller according to a preset sequence, and the step of traversing the EOL test module to test the module comprises: the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module. The PLC controller can realize the switching of different test items through the switching of the relay.
Specifically, the module codes correspond to the test information one to one, the test information includes the name of each test module tested by the module corresponding to the module codes, and different test items can be distinguished by the names or by the test sequence. The terminal is pre-stored with preset tables corresponding to the modules, the modules of different types correspond to different preset tables, and the types of the modules can be obtained according to module codes. For example, the number of a particular location of the module code corresponds to the type of module. The standard data in the preset tables corresponding to the different types of modules are also different.
In this embodiment, after acquiring the test information and the module codes sent by the PLC controller, the terminal matches the corresponding preset table according to the module codes, and then compares the test information with each item of data in the preset table to select the ng (good) module having a problem. Through presetting the test sequence, presetting the comparison table and comparing, the testing process does not need manual intervention, can realize full-automatic test, and efficiency of software testing is high, has solved the problem that efficiency of software testing is low well.
In one embodiment, the step of displaying the error report information according to the abnormal condition and prompting the processing policy further includes: and displaying error reporting information according to the module abnormal information and the environment abnormal information, and prompting a corresponding processing strategy according to the type of the error reporting information.
The test information contains the name of each test module tested by the module corresponding to the module code, and different test items can be distinguished by the names or the test sequence. The terminal is pre-stored with preset tables corresponding to the modules, the modules of different types correspond to different preset tables, and the types of the modules can be obtained according to module codes. For example, the number of a particular location of the module code corresponds to the type of module. The error reporting information is displayed to have a corresponding error type, so that not only can the module report errors abnormally, but also the environment report errors abnormally, for example, smoke abnormity exists, the terminal acquires the abnormal information of the module and the environment abnormal information simultaneously, and the error reporting information is further displayed, so that the accuracy of the current data is ensured. The processing strategy comprises the steps of waiting for unified processing in the NG module area, automatically transporting the production line back to the previous step for disassembling processing, testing abnormal smoke suspension and the like.
In one embodiment, the EOL test method further comprises the steps of: when the temperature data is greater than a first threshold value, the air conditioning module is used for cooling so that the ambient temperature data is lower than the first threshold value; and when the humidity data is greater than a second threshold value, the air conditioning module is utilized for dehumidification so that the environment humidity data is lower than the second threshold value.
The terminal is connected with the environment detection module, and the ambient temperature data and the ambient humidity data that can acquire in real time can also be interval fixed time and acquire temperature and humidity data from the environment detection module, when detecting to be greater than the threshold value that sets for, then start the air conditioner module and regulate and control. When the EOL test is obtained through experiments, the test results show that the ambient temperature is less than 26 ℃ and the ambient humidity is less than 53%, for example, the first threshold may be set to 26 ℃ and the second threshold may be set to 53%. When the ambient temperature is higher than the first threshold value by 26 ℃, the air conditioning module cools down to enable the ambient temperature data to be lower than 26 ℃. When the ambient humidity is greater than the second threshold value of 53%, the air conditioning module performs dehumidification so that the ambient humidity data is lower than 53%. The specific greenhouse temperature range can be set as follows, the temperature is 15-26 ℃, the humidity is 40-53%, and when the ambient temperature is less than 15 ℃ and the ambient humidity is less than 40%, the air conditioning module can also be adjusted, so that the test environment meets the requirements.
In this embodiment, through monitoring temperature, humidity etc. acquire the temperature humidity data of environment in real time to utilize air conditioning module to adjust, guarantee the accuracy of test module test, solved the problem that the yields of accuracy is low.
Further, the EOL testing method further includes the steps of: when the noise data is larger than a third threshold value, generating prompt information according to the current noise data, and displaying the prompt information on a display;
the harm of noise control to the human body still can lead to the instrument and equipment to become invalid simultaneously, and effectual control environmental noise also can improve the accuracy of test. When the EOL test is obtained according to the experiment, the ambient temperature noise is lower than 75dB, so that the test accuracy can be kept relatively good, and the specific third threshold value can be set to 75 dB.
In the embodiment, the noise data of the environment is acquired in real time, the noise is monitored and adjusted, the testing accuracy of the testing module is ensured, the accuracy of the testing result is improved, and the problem of low accuracy of good products is solved.
In one embodiment, as shown in fig. 3, there is provided an EOL testing apparatus including: a monitoring scanning module 302, a testing module 304, a judging module 306, and a mark error reporting module 308, wherein:
the monitoring and scanning module 302 is used for monitoring the specified position of the needle bed, and triggering the PLC to control the scanning assembly to scan the module when the module position is detected to be accurate, so that module codes corresponding to the module are obtained, wherein the module codes correspond to the modules one by one;
the test module 304 is used for sequentially starting the test modules according to a preset sequence through the PLC after the scanning is finished, traversing the EOL test module to test the module, and storing corresponding test information;
the judging module 306 is used for acquiring test information and module codes sent by the PLC, comparing the test information with a pre-stored preset table and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information;
and the marking error reporting module 308 is used for marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy.
In this embodiment, through monitoring the assigned position of needle bed, it is accurate to detect the module position, trigger PLC controller control scanning subassembly promptly and scan the module, and start test module according to preset order in proper order, traverse EOL test module and test the module, compare test information with the preset table of prestoring, judge the abnormal condition of module, mark the module that test item exists the anomaly, show corresponding error message according to abnormal conditions and environmental anomaly condition, and the suggestion processing strategy, the testing process need not artificial intervention, can realize full-automatic test, the efficiency of software testing is high, the problem that efficiency of software testing is low has been solved well, the yields is low.
In one embodiment, the configuration module is used for acquiring a test script, and configuring a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information; the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
In one embodiment, the temperature and humidity regulation and control module is used for acquiring environmental temperature data in real time, and when the temperature data is greater than a first threshold value, the air conditioning module is used for cooling so that the environmental temperature data is lower than the first threshold value; and when the humidity data is greater than a second threshold value, the air conditioning module is utilized for dehumidification so that the environment humidity data is lower than the second threshold value.
In one embodiment, a computer device is provided, the computer device comprising a memory and a computer program stored on the memory and executable on a processor, the processor performing the steps of: monitoring the appointed position of the needle bed, triggering the PLC to control the scanning assembly to scan the module when the module position is detected to be accurate, and obtaining module codes corresponding to the module, wherein the module codes correspond to the modules one by one; after scanning is finished, sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information; acquiring test information and module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information; and marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy.
In one embodiment, the processor further performs the steps of: and acquiring a test script, and modifying a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information.
In one embodiment, the testing module comprises an alternating current internal resistance module, a multimeter module and an insulation and voltage resistance module, and the processor further executes the following steps: the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
In one embodiment, the abnormal condition further includes environmental abnormal information, and the error reporting information is displayed to have a corresponding error type, and the processor further performs the following steps: and displaying error reporting information according to the module abnormal information and the environment abnormal information, and prompting a corresponding processing strategy according to the type of the error reporting information.
In one embodiment, the processor further performs the steps of: when the temperature data is greater than a first threshold value, the air conditioning module is used for cooling so that the ambient temperature data is lower than the first threshold value; and when the humidity data is greater than a second threshold value, the air conditioning module is utilized for dehumidification so that the environment humidity data is lower than the second threshold value.
In one embodiment, a computer-readable storage medium is proposed, on which a computer program is stored which, when being executed by a processor, carries out the steps of: monitoring the appointed position of the needle bed, triggering the PLC to control the scanning assembly to scan the module when the module position is detected to be accurate, and obtaining module codes corresponding to the module, wherein the module codes correspond to the modules one by one; after scanning is finished, sequentially starting the test modules according to a preset sequence through the PLC, traversing the EOL test module to test the module, and storing corresponding test information; acquiring test information and module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information; and marking the modules with abnormal test items, displaying corresponding error reporting information according to abnormal conditions, and prompting a processing strategy.
In one embodiment, the program when executed by a processor implements the steps of: : and acquiring a test script, and modifying a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information.
In one embodiment, the testing module comprises an alternating current internal resistance module, a multimeter module and an insulation and voltage resistance module, and the processor further executes the following steps: the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
In one embodiment, the abnormal condition further includes environmental abnormal information, and the error reporting information is displayed to have a corresponding error type, and the program when executed by the processor implements the following steps: : and displaying error reporting information according to the module abnormal information and the environment abnormal information, and prompting a corresponding processing strategy according to the type of the error reporting information.
In one embodiment, the program when executed by a processor implements the steps of: when the temperature data is greater than a first threshold value, the air conditioning module is used for cooling so that the ambient temperature data is lower than the first threshold value; and when the humidity data is greater than a second threshold value, the air conditioning module is utilized for dehumidification so that the environment humidity data is lower than the second threshold value.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An EOL test method, comprising the steps of:
monitoring the appointed position of the needle bed, and triggering a PLC (programmable logic controller) to control a scanning assembly to scan the module when the position of the module is detected to be accurate, so as to obtain module codes corresponding to the module, wherein the module codes correspond to the modules one by one;
after the scanning is finished, sequentially starting the test modules according to a preset sequence through the PLC, testing the module by the EOL test module, and storing corresponding test information;
acquiring test information and the module codes sent by a PLC (programmable logic controller), comparing the test information with a pre-stored preset table, and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information;
and marking the modules with abnormal test items, displaying corresponding error reporting information according to the abnormal conditions, and prompting a processing strategy.
2. An EOL testing method according to claim 1, wherein before the step of monitoring the designated position of the needle bed and detecting that the position of the module is accurate, i.e. triggering the PLC controller to control the scanning component to scan the module, the method further comprises:
and acquiring a test script, and modifying a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information.
3. An EOL testing method according to claim 1, wherein the testing module comprises at least one of an ac internal resistance module, a multimeter module, and an insulation and voltage resistance module, and the step of sequentially starting the testing modules according to a preset sequence by the PLC controller and traversing the EOL testing modules to test the modules comprises:
the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
4. An EOL testing method according to claim 1, wherein the abnormal condition further includes environmental abnormal information, the error-reporting information is displayed to have a corresponding error type, and the step of displaying the error-reporting information according to the abnormal condition and prompting the processing policy further includes:
and displaying error reporting information according to the module abnormal information and the environment abnormal information, and prompting a corresponding processing strategy according to the type of the error reporting information.
5. An EOL test method according to claims 1-4, further comprising the steps of:
when the temperature data is greater than the first threshold value, an air conditioning module is used for cooling so that the ambient temperature data is lower than the first threshold value;
and when the humidity data is larger than the second threshold value, dehumidifying by using an air conditioning module so that the environment humidity data is lower than the second threshold value.
6. An EOL testing apparatus, the apparatus comprising:
the monitoring scanning module is used for monitoring the appointed position of the needle bed, and triggering the PLC to control the scanning assembly to scan the module when the accurate position of the module is detected, so that the module codes corresponding to the module are obtained, and the module codes correspond to the module one by one;
the test module is used for starting the test modules in sequence according to a preset sequence through the PLC after the scanning is finished, traversing the EOL test module to test the module and storing corresponding test information;
the judging module is used for acquiring test information and the module codes sent by the PLC, comparing the test information with a pre-stored preset table and judging the abnormal condition of the module, wherein the test information comprises a test module name and test data information;
and the marking error reporting module is used for marking the modules with abnormal test items, displaying corresponding error reporting information according to the abnormal conditions and prompting a processing strategy.
7. An EOL test apparatus as defined in claim 6, further comprising:
the configuration module is used for acquiring a test script and configuring a pre-stored preset table according to the test script, wherein the test script comprises the model of the module and test parameter information; the testing sequence of the alternating current internal resistance module, the universal meter module and the insulation and voltage-resistance module is set in advance according to the testing requirements, and the testing items corresponding to the modules are tested by the PLC through the detection module.
8. An EOL test apparatus as claimed in claims 6-7, further comprising:
the temperature and humidity regulation and control module is used for acquiring environmental temperature data in real time, and when the temperature data is greater than the first threshold value, the temperature is reduced by using the air conditioning module so that the environmental temperature data is lower than the first threshold value; and when the humidity data is larger than the second threshold value, dehumidifying by using an air conditioning module so that the environment humidity data is lower than the second threshold value.
9. A computer device comprising a memory and a computer program stored on the memory and executable on the processor, wherein the processor implements the EOL testing method of any of claims 1 to 5 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the EOL testing method according to any one of claims 1 to 5.
Priority Applications (1)
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| CN115617699A (en) * | 2022-12-16 | 2023-01-17 | 歌尔股份有限公司 | Product mixed line testing method, device, equipment and storage medium |
| CN117054877A (en) * | 2023-10-10 | 2023-11-14 | 宁德时代新能源科技股份有限公司 | Offline testing system of battery, battery production line and testing method |
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