CN108614217A - A kind of battery management system full-automatic test system and implementation method - Google Patents

A kind of battery management system full-automatic test system and implementation method Download PDF

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Publication number
CN108614217A
CN108614217A CN201810287337.3A CN201810287337A CN108614217A CN 108614217 A CN108614217 A CN 108614217A CN 201810287337 A CN201810287337 A CN 201810287337A CN 108614217 A CN108614217 A CN 108614217A
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China
Prior art keywords
test
devices
failure
full
automatic
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CN201810287337.3A
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Chinese (zh)
Inventor
刘媛
王知学
乔昕
侯恩广
栾朋
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Institute of Automation Shandong Academy of Sciences
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Institute of Automation Shandong Academy of Sciences
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Priority to CN201810287337.3A priority Critical patent/CN108614217A/en
Publication of CN108614217A publication Critical patent/CN108614217A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements

Abstract

The invention discloses a kind of battery management system full-automatic test system and implementation methods, including:Host computer and test platform;The host computer is connect by CAN interface with test platform;The test platform includes:Processor, and the CAN communication module, power module, current acquisition module, voltage acquisition module, relay control module and the alarm module that are connected to the processor respectively.Advantageous effect of the present invention:This test system provides full automatic testing process, host computer test software establishes test result data library according to failure, the corresponding maintenance policy of each failure in database, and the corresponding maintenance policy of failure can constantly be added according to test result, entire test process uses full automatic mode, and test result and maintenance policy are supplied to tester after being completed, and greatly improves test accuracy, comprehensive, mitigate the workload of tester, improves testing efficiency.

Description

A kind of battery management system full-automatic test system and implementation method
Technical field
The present invention relates to battery technology control field, more particularly to a kind of battery management system full-automatic test system and reality Existing method.
Background technology
Electronic unit of the battery management system as real time monitoring, automatic equalization, intelligent recharge and discharge, play guarantee safety, Extend service life, the estimation critical functions such as remaining capacity, is important component indispensable in power and energy-storage battery group.With lithium In the extensive use of electric vehicle and energy storage field, the market scale of battery management system constantly expands ion battery.
The link of most critical is functional test in battery management system production process, and battery management system is only by stringent Functional test could carry out service testing.
Existing battery management system provides the method tested for a certain item function, is not involved with comprehensive Testing process, the sequencing of test and the processing to test result.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems, it is proposed that a kind of battery management system full-automatic test system And implementation method, comprehensive testing procedure is provided, using full automatic mode and test result data library is established, is completed Test result and maintenance policy are supplied to tester afterwards, greatly improve test accuracy, comprehensive and testing efficiency.
To achieve the goals above, the present invention adopts the following technical scheme that:
The first object of the present invention be disclose a kind of battery management system full-automatic test system, including:Host computer and Test platform;The host computer is connect by CAN interface with test platform;The test platform includes:Processor, and respectively The CAN communication module that is connected to the processor, power module, current acquisition module, voltage acquisition module, relay control mould Block and alarm module.
The second object of the present invention be disclose a kind of working method of battery management system full-automatic test system, including Following steps:
Step 1:System initialization provides 9V powering modes for Devices to test;Whether just to test host computer and test platform Normal open is believed;If so, entering in next step;Otherwise, fault alarm;
Step 2:The operating voltage value of automatic detection Devices to test, if operating voltage value setting normal range (NR) it It is interior, then show that voltage tester is normal;Otherwise it shows power supply output failure and alarms;
Step 3:The quiescent current of Devices to test is calculated automatically according to the operating voltage value of detection, if quiescent current Value then shows that testing current is normal within the normal range (NR) of setting;Otherwise it shows current failure and alarms;
Step 4:It automatically controls Devices to test charging auxiliary level to open or close, if state is normal, display is filled Electrical testing is normal;Otherwise it shows charge fault and alarms;
Step 5:Each channel CAN for being followed successively by Devices to test sends communication data, if Devices to test is all The channels CAN can receive data and response, then show that communication test is normal;Otherwise it shows communication failure and alarms;
Step 6:It is sent from trend Devices to test and opens relay control instruction, waited for if received in setting time The feedback information of measurement equipment, and relay pin state is matched with control instruction, then shows that relay control test is normal;It is no It then shows relay control failure and alarms;
Step 7:12V powering modes are provided for Devices to test, repeat step 2-step 8;
Step 8:16V powering modes are provided for Devices to test, repeat step 2-step 8;
Step 9:Test terminates, and preserves test result, and host computer test software shows failure item and the repair plan by prediction Slightly it is supplied to tester.
Further, host computer provides two kinds of test patterns of integrated testability and single stepping test;Under integrated testability, system is automatic Carry out all tests;Under single stepping test, a certain testing procedure can be selected individually to test.
Further, further include:The temperature information of automatic collection Devices to test, by the temperature phasing meter of Devices to test, Current temperature value is calculated;Collected temperature information is compared with the temperature value being calculated, if temperature difference For value in the range of setting, then displays temperature test is normal;Otherwise it displays temperature test failure and alarms.
Further, further include:I/O signal is sent from trend Devices to test and sets high level control instruction, is then detected to be measured The state of the I/O signal of equipment, if the detecting state of I/O signal is high level, test passes through;Otherwise, display switch amount is defeated Enter failure and alarms.
Further, further include:Setting SOC value control instruction is sent from trend Devices to test, Devices to test is waited for return Status information is set, and display parameters are arranged test failure and alarm if setting is unsuccessful;If be arranged successfully, comparison setting The setting status information that returns of SOC value and Devices to test it is whether consistent, if unanimously, display parameters setting test is normal, Otherwise, display parameters are arranged test failure and alarm.
Further, further include:Automatic imitation simultaneously sends charging interface signal to Devices to test, and Devices to test, which detects, to be filled Electrical interface signals simultaneously feed back output state;By collected level signal and the level signal comparative analysis that actually sends, if As a result consistent, then it shows that the test of charging interface semiotic function is normal, otherwise, shows charging interface semiotic function test failure and report It is alert.
Further, further include:Host computer test software shows failure item and the maintenance policy of prediction is supplied to test Personnel.
Advantageous effect of the present invention:
This test system provides full automatic testing process, and host computer test software establishes test result number according to failure According to library, the corresponding maintenance policy of each failure in database, and the corresponding repair of failure can constantly be added according to test result Strategy, entire test process use full automatic mode, test result and maintenance policy are supplied to tester after being completed Member greatly improves test accuracy, comprehensive, mitigates the workload of tester, improves testing efficiency.
Description of the drawings
Fig. 1 is battery management system full-automatic test system structure chart of the present invention;
Fig. 2 is test platform architecture figure of the present invention.
Specific implementation mode
The present invention is further illustrated with specific implementation mode below in conjunction with the accompanying drawings.
The invention discloses a kind of battery management system full-automatic test systems, as shown in Figure 1, including:Host computer and survey Try platform;Host computer is connect by CAN interface with test platform;Wherein, test platform is as shown in Fig. 2, include:Processor, with And connect respectively with processor CAN communication module, power module, current acquisition module, voltage acquisition module, relay control Module and alarm module.
It the test method of battery management system full-automatic test system of the present invention and is as follows:
Step 1:Devices to test is connected in full-automatic test system, full-automatic test system by CAN interface card with Host computer test software connects;
Step 2:Devices to test and full-automatic test system power on, and open host computer test software, and host computer provides whole Two kinds of test and single stepping test select, and under integrated testability pattern, full-automatic test system carries out all test sessions, single step automatically Under test pattern, user oneself can select some test session so that it is convenient to which user carries out independent test for individual feature;
Step 3:Three kinds of test patterns of full-automatic test system point, first, being provided under 9V powering modes for Devices to test, two It is to be provided under 12V powering modes for Devices to test, third, being provided under 16V powering modes for Devices to test, is tested successively;
Step 4:The communication of full-automatic test system and host computer test software is tested, full-automatic test system MCU passes through CAN interface card and host computer handshake communication, host computer test software, which is shown, to be successfully tested, and otherwise shows communication failure, buzzer Alarm;
Step 5:It tests mesuring battary and manages system voltage, full-automatic test system detects mesuring battary management system Voltage value, operating voltage report host computer test software voltage value, the display test of host computer test software within normal range (NR) As a result, otherwise showing that power supply exports failure, buzzer warning;
Step 6:It tests mesuring battary and manages system power, full-automatic test system is to be measured by detecting voltage value calculating Battery management system quiescent current, operating current report host computer test software current value, host computer soft within normal range (NR) Part shows test result, otherwise shows current failure, buzzer warning;
Step 7:Test the charge function of mesuring battary management system, full-automatic test system control charging auxiliary level It opens or closes, state is normal, and host computer test software, host computer test software is reported to show test result, otherwise show Charge fault, buzzer warning;
Step 8;Test the communication function of mesuring battary management system, three channels CAN of test mesuring battary management system It receives, transmission data ability, communication baud rate can be arranged, and specially full-automatic test system is handed down to electricity to be measured by channel 1 Pond manages one data of system, and mesuring battary management system replys reply data after receiving, and then full-automatic test system passes through Mesuring battary management one data of system are handed down in channel 2, and mesuring battary management system replys reply data after receiving, then entirely Auto-Test System is handed down to mesuring battary by channel 3 and manages one data of system, and mesuring battary management system is returned after receiving Multiple reply data.Full-automatic test system reports host computer test communication achievement, host computer test software to show after the completion of communication Communication test success, otherwise shows communication failure, buzzer warning;
Step 9;The relay control function of mesuring battary management system is tested, full-automatic test system is sent to be measured Battery management system opens relay order, is then connected to the feedback information of mesuring battary management system, within 1.5 second time, The relay pin state of mesuring battary management system is inquired, state is normal, then shows that the actuating of relay is normal, after the completion entirely certainly Dynamic test system reports host computer test communication achievement, host computer test software to show that relay control is successfully tested, otherwise show Show that relay controls failure, buzzer warning;Other relay status are tested successively;
Step 10;The parameter setting functions such as the SOC of mesuring battary management system are tested, full-automatic test system, which is sent to, to be waited for It surveys battery management system and SOC value is set, wait for mesuring battary management system to return to setting status information, if unsuccessful hair is arranged Host computer test software failure, buzzer warning are given, if be arranged successfully, order mesuring battary manages system readback setting SOC value is compared with the SOC value of setting, if numerical value is consistent, is sent to the test of host computer test software and is passed through, if not Unanimously, it is sent to host computer test software setting failure, buzzer warning, host computer test software shows test result;
Step 11:The temperature sampling value of mesuring battary management system is tested, acquisition mesuring battary manages the temperature of system, By temperature phasing meter, current temperature value is calculated.Full-automatic test system reads mesuring battary management system temperature indexing The collected temperature information of table, with actual acquisition to temperature information compare and analyze, temperature difference is as tested at ± 2 DEG C Pass through, is sent to the test of host computer test software and passes through, be otherwise sent to host computer test software test failure, buzzer report Alert, host computer test software shows test result;
Step 12:The On-off signal function of mesuring battary management system is tested, full-automatic test system order is to be measured The I/O signal of battery management system sets high level, the state of full-automatic test system I/O signal, if the detecting state of I/O signal For high level, then test passes through, and is sent to the test of host computer test software and passes through, is otherwise sent to the test of host computer test software Failure, buzzer warning, host computer test software show test result;
Step 13:Test mesuring battary management system charging interface CP CC CC2 semiotic functions, full-automatic testing system Unite analog charge interface signal, mesuring battary manage system detectio charging interface signal, then by output state be sent to it is complete from Dynamic test system, the level signal comparative analysis that full-automatic test system is sent by collected level signal and actually, as a result Consistent then test passes through, and is sent to the test of host computer test software and passes through, is otherwise sent to host computer test software test failure, Buzzer warning, host computer test software show test result;
Step 14:Buzzer prompt detection is completed, and host computer test software preserves test result, host computer test software The maintenance policy of prediction is simultaneously supplied to tester by display failure item.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (8)

1. a kind of battery management system full-automatic test system, which is characterized in that including:Host computer and test platform;On described Position machine is connect by CAN interface with test platform;The test platform includes:Processor, and connect respectively with the processor CAN communication module, power module, current acquisition module, voltage acquisition module, relay control module and the alarm module connect.
2. a kind of working method of battery management system full-automatic test system, which is characterized in that include the following steps:
Step 1:System initialization provides 9V powering modes for Devices to test;Test host computer and the whether positive normal open of test platform Letter;If so, entering in next step;Otherwise, fault alarm;
Step 2:The operating voltage value of automatic detection Devices to test, if operating voltage value within the normal range (NR) of setting, Show that voltage tester is normal;Otherwise it shows power supply output failure and alarms;
Step 3:The quiescent current of Devices to test is calculated automatically according to the operating voltage value of detection, if quiescent current exists Within the normal range (NR) of setting, then show that testing current is normal;Otherwise it shows current failure and alarms;
Step 4:It automatically controls Devices to test charging auxiliary level to open or close, if state is normal, shows that charging is surveyed Examination is normal;Otherwise it shows charge fault and alarms;
Step 5:Each channel CAN for being followed successively by Devices to test sends communication data, if all CAN of Devices to test are logical Road can receive data and response, then show that communication test is normal;Otherwise it shows communication failure and alarms;
Step 6:It is sent from trend Devices to test and opens relay control instruction, if receiving to be measured set in setting time Standby feedback information, and relay pin state is matched with control instruction, then shows that relay control test is normal;Otherwise it shows Show relay control failure and alarms;
Step 7:12V powering modes are provided for Devices to test, repeat step 2-step 8;
Step 8:16V powering modes are provided for Devices to test, repeat step 2-step 8;
Step 9:Test terminates, and preserves test result, and host computer test software shows failure item and carries the maintenance policy of prediction Supply tester.
3. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that on Position machine provides two kinds of test patterns of integrated testability and single stepping test;Under integrated testability, system carries out all tests automatically;Single step is surveyed Under examination, a certain testing procedure can be selected individually to test.
4. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that also Including:Current temperature is calculated by the temperature phasing meter of Devices to test in the temperature information of automatic collection Devices to test Value;Collected temperature information is compared with the temperature value being calculated, if temperature gap in the range of setting, Displays temperature test is normal;Otherwise it displays temperature test failure and alarms.
5. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that also Including:I/O signal is sent from trend Devices to test and sets high level control instruction, then detects the state of the I/O signal of Devices to test, If the detecting state of I/O signal is high level, test passes through;Otherwise, it display switch amount input fault and alarms.
6. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that also Including:Setting SOC value control instruction is sent from trend Devices to test, waits for Devices to test to return to setting status information, if set Set it is unsuccessful, display parameters setting test failure simultaneously alarm;If the SOC value for successfully comparing setting is arranged and Devices to test returns Whether the setting status information returned is consistent, if unanimously, display parameters setting test is normal, otherwise, display parameters setting is surveyed Examination failure is simultaneously alarmed.
7. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that also Including:Automatic imitation simultaneously sends charging interface signal to Devices to test, and Devices to test detects charging interface signal and feeds back defeated It does well;Collected level signal is shown into charging with the level signal comparative analysis actually sent if result is consistent Interface signal functional test is normal, otherwise, shows charging interface semiotic function test failure and alarms.
8. a kind of working method of battery management system full-automatic test system as claimed in claim 2, which is characterized in that also Including:Host computer test software shows failure item and the maintenance policy of prediction is supplied to tester.
CN201810287337.3A 2018-03-30 2018-03-30 A kind of battery management system full-automatic test system and implementation method Pending CN108614217A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
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