CN202512224U - Simulation test system of failure warning - Google Patents
Simulation test system of failure warning Download PDFInfo
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- CN202512224U CN202512224U CN 201220188860 CN201220188860U CN202512224U CN 202512224 U CN202512224 U CN 202512224U CN 201220188860 CN201220188860 CN 201220188860 CN 201220188860 U CN201220188860 U CN 201220188860U CN 202512224 U CN202512224 U CN 202512224U
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Abstract
The utility model discloses a simulation test system of failure warning. The simulation test system of the failure warning comprises a battery management module, an analog battery cell connected with the battery management module, a discharge failure simulation circuit which is connected with the battery management module and is used for simulating a discharge failure of the analog battery cell, a charge failure simulation circuit used for simulating a charge failure of the analog battery cell, and a constant temperature and humidity test box. The simulation test system of the failure warning is provided with a controller area network (CAN) communication failure simulation circuit connected to the battery management module and used for simulating a CAN communication failure, and is further provided with an insulating failure simulation circuit used for simulating an insulating failure. According to the simulation test system of the failure warning, a plurality of test simulation modules are integrated, various working conditions can be simulated and tested, and various failure warning functions of battery management system software can be comprehensively tested; and various simulation circuits are standardized, a comprehensive test framework is formed, tests for the battery management software are more rationalized, time is greatly saved, efficiency is greatly improved, a development period of the battery management software is shortened, and expenses are saved.
Description
Technical field
The utility model relates to a kind of fault alarm simulated testing system.
Background technology
Information industry epoch every profession and trade is wanted refinement, special, and the electric automobile industry is also like this.Its each ingredient of electric automobile is produced by different suppliers, all issues car load factory at last, and factory assembles automobile by car load.Electric automobile all is to adopt lithium battery as power source at present usually, must perform prediction and alarm and take appropriate measures the trend of the various indexs of lithium battery to prolong its serviceable life.The fault alarm of batteries of electric automobile system comprise temperature too high with cross lowly report to the police, SOC is too high and cross lowly report to the police, total voltage is too high and cross low warning, insulation fault warning, charging current fault alarm, discharge current fault alarm, the unbalanced fault alarm of temperature, the unbalanced fault alarm of voltage, the warning of CAN communication failure etc., this just need set up a battery management system and come these fault parameters and warning are carried out relevant detection and processing.Battery management system is as one of important parts of electric automobile, by independently supplier's production.The software of battery management system side's exploitation; Need arrive aptitude test and checking on the car load; But in fact car load factory requires supplier to provide through the satisfied product of test; But if use car load to do to test not only cost high but also be unpractiaca, thus the battery management system manufacturers design with build the scheme that can simulate the various faults of car load and carry out software test and be very important.And these fault modes rarely have whole simulation tests completely in testing laboratory at present.Exist more deficiency and defective in the present battery management system simulation test scheme: 1, the fault simulation test event is incomplete, and the software section function does not obtain checking, and fraction defective is high, and CSAT is low.2, the fault simulation test duration long, prolonged the whole project construction cycle.Some in analog electrical core, constant temperature humidity chamber, insulation fault mimic channel, the CAN communication failure mimic channel useless constantly connects test circuit in the present simulation test, so test period is long, prolonged the project construction cycle.
The utility model content
In order to solve the deficiency that existing battery management system exists when carrying out the fault alarm test, the utility model provides a kind of design proposal of carrying out the test of battery management system fault alarm.
A kind of fault alarm simulated testing system; The battery management module that comprises control module in the conduct; The analog electrical core that is connected with battery management module, the discharge fault mimic channel that is used for analog electrical core discharge fault that is connected with battery management module; The charge fault mimic channel that is used for analog electrical core charge fault; The constant temperature humidity chamber that is connected with the analog electrical core also is provided with and is connected to the CAN communication failure mimic channel that battery management module is used to simulate the CAN communication failure, and the insulation fault mimic channel that is used for the analog insulation fault.
Concrete, said analog electrical core comprises a plurality of constant pressure source and one or more temperature sensors that can regulation voltage.
Concrete, said insulation fault mimic channel comprises minor failure early warning resistance and the catastrophic failure early warning resistance that is arranged between analog electrical core and the earth terminal.
Concrete, said CAN communication failure mimic channel comprises inner CAN fault simulation unit and outside car load CAN fault simulation unit.
Concrete, said charge fault mimic channel comprises the analog charge device of scalable electric current.
Concrete, said discharge fault mimic channel comprises the load of scalable resistance.
In sum; The utlity model has following beneficial effect: (1) integrated multiple test simulation module; Can simulate various operating modes and carry out the test of battery management system software; Guaranteed the comprehensive of test, can test accordingly all the fault alarm function of battery management system software; (2) reasonable in design, can form comprehensive test frame, the test to battery management software is rationalized more; (3) standardization of various mimic channels has been practiced thrift the time greatly, has improved efficient, has shortened the battery management Development of Software cycle, reduces expenses.
Description of drawings
Fig. 1 is the structural representation of the said a kind of fault alarm simulated testing system of the utility model.
Embodiment
In order to let those skilled in the art can understand the technical scheme of the utility model better, the utility model is done further to set forth below in conjunction with accompanying drawing.
As shown in Figure 1; The utility model has disclosed a kind of fault alarm simulated testing system; Comprise battery management module, the analog electrical core that is connected with battery management module, the discharge fault mimic channel that is used for analog electrical core discharge fault that is connected with the analog electrical core with battery management module respectively, the charge fault mimic channel that is used for analog electrical core charge fault that is connected with the analog electrical core; The constant temperature humidity chamber that is connected with the analog electrical core; It is characterized in that, also be provided with and be connected to the CAN communication failure mimic channel that battery management module is used to simulate the CAN communication failure, and the insulation fault mimic channel that is used for the analog insulation fault.
The analog electrical core comprises a plurality of constant pressure source and one or more temperature sensors that can regulation voltage; Each constant pressure source can instant arbitrarily regulation voltage; Thereby can simulate whole electric core brownout, the too high test, also can test by the unbalanced fault alarm of aanalogvoltage; The stagnation pressure of whole analog electrical core change also can the simulated battery pool-size variation, and then warning function that can simulation test SOC is too high, SOC is low excessively.Simultaneously, utilize a plurality of temperature sensors to cooperate constant temperature humidity chamber simulated environment temperature variation, can carry out that analog temperature is too high, temperature is crossed low and the unbalanced fault alarm test of temperature.
The insulation fault mimic channel links to each other with the analog electrical core through battery management system, is connected to a minor failure comparison resistance and a catastrophic failure comparison resistance between insulation fault mimic channel and the earth terminal.When battery management system detects resistance value between electric core and the ground when being lower than minor failure comparison resistance value and being higher than catastrophic failure comparison resistance resistance, whether the checking battery management module sends slight insulation fault is reported to the police; When detecting resistance value between electric core and the ground when being lower than catastrophic failure comparison resistance resistance, whether the checking battery management module sends serious insulation fault is reported to the police, and carries out the action of cutting off corresponding relays.The catastrophic failure comparison resistance generally can be selected 30 kilo-ohms of resistance for use, and the minor failure comparison resistance generally can be selected 150 kilo-ohms of resistance for use.
CAN communication failure mimic channel is used to simulate the CAN communication failure; Comprise inner CAN fault simulation unit and outside car load CAN fault simulation unit; Can distinguish the situation of simulated interior CAN and outside CAN open circuit, whether can report to the police the CAN communication failure with the checking battery management module.
The charge fault mimic channel comprises the analog charge device of scalable electric current, adjusts the output current value of analog charge device according to the designing requirement of power-supply management system and verifies whether battery management module can report to the police to the charging currents of various different sizes accurately.As when the charging current of analog charge device output during greater than 8A, whether the checking battery management module reports level fault; When charging current during greater than 10A, whether the checking battery management module reports secondary failure, and cuts off the operation of charging high-voltage relay.
Whether the discharge fault mimic channel comprises the load of scalable resistance, changes the current value of discharge according to the designing requirement regulating load of power-supply management system, can report to the police accurately to the discharge currents of various different sizes with the checking battery management module.As when discharge current during greater than 200A, whether the checking battery management module reports level fault; When discharge current during greater than 250A, whether the checking battery management module reports secondary failure, and carries out the operation of cutting off motor relay.
After the test of each step is accomplished, check the fault alarm situation of battery management module through checking battery management module fault alarm daily record ability method, can efficient and conveniently learn the integrity of battery management module fault alarm function.
Present embodiment is the more excellent embodiment of the utility model; Need to prove; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (6)
1. fault alarm simulated testing system; The battery management module that comprises control module in the conduct; The analog electrical core that is connected with battery management module, the discharge fault mimic channel that is used for analog electrical core discharge fault that is connected with battery management module; Be used for the charge fault mimic channel of analog electrical core charge fault, the constant temperature humidity chamber with the analog electrical core is connected is characterized in that; Also be provided with and be connected to the CAN communication failure mimic channel that battery management module is used to simulate the CAN communication failure, and the insulation fault mimic channel that is used for the analog insulation fault.
2. a kind of fault alarm simulated testing system according to claim 1 is characterized in that, said analog electrical core comprises a plurality of constant pressure source and one or more temperature sensors that can regulation voltage.
3. a kind of fault alarm simulated testing system according to claim 1 is characterized in that, said insulation fault mimic channel comprises minor failure early warning resistance and the catastrophic failure early warning resistance that is arranged between analog electrical core and the earth terminal.
4. a kind of fault alarm simulated testing system according to claim 1 is characterized in that, said CAN communication failure mimic channel comprises inner CAN fault simulation unit and outside car load CAN fault simulation unit.
5. a kind of fault alarm simulated testing system according to claim 1 is characterized in that said charge fault mimic channel comprises the analog charge device of scalable electric current.
6. a kind of fault alarm simulated testing system according to claim 1 is characterized in that said discharge fault mimic channel comprises the load of scalable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188860 CN202512224U (en) | 2012-04-28 | 2012-04-28 | Simulation test system of failure warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188860 CN202512224U (en) | 2012-04-28 | 2012-04-28 | Simulation test system of failure warning |
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| CN202512224U true CN202512224U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220188860 Expired - Fee Related CN202512224U (en) | 2012-04-28 | 2012-04-28 | Simulation test system of failure warning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499135A (en) * | 2017-06-09 | 2017-12-22 | 宝沃汽车（中国）有限公司 | Vehicle trouble guard method, device and vehicle |
| CN112285588A (en) * | 2020-09-09 | 2021-01-29 | 中国空间技术研究院 | Lithium battery on-orbit management simulation test method and device |
| CN112731016A (en) * | 2020-12-21 | 2021-04-30 | 广汽菲亚特克莱斯勒汽车有限公司 | Electric vehicle remote service and management alarm function testing method and system |
| CN113147405A (en) * | 2021-04-26 | 2021-07-23 | 天津森普捷电子有限公司 | Automatic high-voltage recovery power-on control method for electric automobile |
-
2012
- 2012-04-28 CN CN 201220188860 patent/CN202512224U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499135A (en) * | 2017-06-09 | 2017-12-22 | 宝沃汽车（中国）有限公司 | Vehicle trouble guard method, device and vehicle |
| CN112285588A (en) * | 2020-09-09 | 2021-01-29 | 中国空间技术研究院 | Lithium battery on-orbit management simulation test method and device |
| CN112731016A (en) * | 2020-12-21 | 2021-04-30 | 广汽菲亚特克莱斯勒汽车有限公司 | Electric vehicle remote service and management alarm function testing method and system |
| CN113147405A (en) * | 2021-04-26 | 2021-07-23 | 天津森普捷电子有限公司 | Automatic high-voltage recovery power-on control method for electric automobile |
| CN113147405B (en) * | 2021-04-26 | 2023-07-25 | 天津森普捷电子有限公司 | Automatic high-voltage recovery power-on control method for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20190428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |