CN205540248U - Detection apparatus for vehicle control unit - Google Patents
Detection apparatus for vehicle control unit Download PDFInfo
- Publication number
- CN205540248U CN205540248U CN201620045679.0U CN201620045679U CN205540248U CN 205540248 U CN205540248 U CN 205540248U CN 201620045679 U CN201620045679 U CN 201620045679U CN 205540248 U CN205540248 U CN 205540248U
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- China
- Prior art keywords
- control unit
- entire car
- car controller
- connector
- interface
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a detection apparatus for vehicle control unit, includes at ring testing device and fault injection device, the ring testing device including industrial computer and the test rack of installing detection software, the test rack includes the host processing ware, the synthesis that links to each other with host processing ware output is applied for card and the CAN bus interface integrated circuit board, respectively with synthesize the IO integrated circuit board that integrated circuit board and CAN bus interface integrated circuit board output link to each other, its technical essential is: the fault injection device includes fault injection panel, the connector I who links to each other with the IO integrated circuit board, the connector II who links to each other with vehicle control unit, be equipped with two sets of control areas on the fault injection panel. Fundamentally has solved and has been difficult to simulate IO pencil wearing and tearing and the pencil short circuit that leads to, the problem of short circuit operating mode, can simulate various abominable situations, reads input/output's on the controller data through universal meter on the injection device or CAN equipment, accomplishes the test of vehicle control unit under the extreme condition.
Description
Technical field
This utility model relates to the test device of a kind of vehicle complete vehicle controller, the detection device of a kind of entire car controller, and it is mainly used in the test of pure electric vehicle controller analogue signal, digital signal, pwm signal and CAN signal.
Background technology
Along with the national green energy, the promotion energetically of clean energy resource, domestic car load factory tilts to the research and development of new energy vehicle, it is known that, pure electric automobile is increasingly paid close attention to by people with the advantage of zero-emission, but, how can guarantee that pure electric vehicle safety, stable operation, allow the relieved use of consumer, the performance of the entire car controller in pure electric vehicle and reliability must be tested in a large number, these tests are not only included in ecotopia and can normally work, also to be included in the performance test to entire car controller under various abnormality, only meet these conditions, the safety of guarantee vehicle and driving.But, existing method of testing is the most loaded down with trivial details, if having 100 interfaces by controller, just before test, wire harness prepares, sensor preparation etc., will take a significant amount of time, adding each interface manual test, further increase the test period of controller, the time is the life of car load factory, this test not only increases the operating cost of enterprise, more extends car load factory and releases the research and development time of a new product.
Utility model content
The purpose of this utility model is to provide the detection device of a kind of entire car controller, fundamentally solve wire harness short circuit, the problem of Short-circuit Working Condition being difficult to simulate the abrasion of I/O wire harness and cause, various harsh conditions can be simulated, by the data of input and output on the circuit tester on injection device or CAN device Read Controller, complete entire car controller test under extreme conditions.
For achieving the above object, this utility model provides following technical scheme: the detection device of this entire car controller is included in ring test device and fault injection device, industrial computer and the test cabinet being provided with inspection software is included at ring test device, test cabinet includes primary processor, be connected with primary processor outfan comprehensively applies for card and CAN interface board, the I/O board being connected with comprehensive board and CAN interface board outfan respectively, it is characterized in that: described fault injection device includes direct fault location panel, the connector I being connected with I/O board, the connector II being connected with entire car controller；Direct fault location panel is provided with two groups of control areas, and one of which control area is provided with four row 13 row control units, each control unit and the interface one_to_one corresponding on connector I；Another group control area is provided with four row eight and arranges a control unit, each control unit and the interface one_to_one corresponding on connector II.
Described control unit includes diplopore base, H-shaped conduction plug and is arranged on the control knob at H-shaped conduction plug top.
The beneficial effects of the utility model: tester is by controlling control unit simulation entire car controller duty in the presence of a harsh environment on fault TIP, and observed and record interface data and CAN data by industrial computer display unit, thus it is effectively improved entire car controller test quality, there is high practical value.Greatly facilitate single failure injection and various faults combines the detection process injecting entire car controller, improve detection efficiency, reduce time cost.
Accompanying drawing explanation
Fig. 1 is operation principle block diagram of the present utility model；
Fig. 2 is the structural representation of this utility model fault injection device；
Fig. 3 is the structural representation of this utility model conduction plug and base.
Description of reference numerals:
In Fig. 2: 1 direct fault location panel, 2 control units, 3 connector I, 4 connector II；
In Fig. 3: 5h shape conduction plug, 6 diplopore bases.
Detailed description of the invention
Below in conjunction with Fig. 1 ~ 3, describe content of the present utility model in detail by specific embodiment.The detection device of this entire car controller is included in ring test device and fault injection device, include industrial computer and the test cabinet being provided with inspection software at ring test device, test cabinet includes primary processor, comprehensively applying for card and CAN interface board, the I/O board that is connected respectively of being connected with primary processor outfan with comprehensive board and CAN interface board outfan.Wherein, comprehensive board has the functions such as A/D, D/A, PWM input and output, digital signal input and output, CAN communication.CAN interface board, as a node in bus, has the function of bus apparatus test.After the input/output signal of other board interfaces is collected by I/O board, it is drawn out on the I/O interface of test cabinet.Fault injection device includes direct fault location panel, the connector I being connected with I/O board, the connector II that is connected with entire car controller.Direct fault location panel 1 is provided with two groups of control areas, and one of which control area is provided with four row (1 ~ 4) 13 and arranges (A ~ M) individual control unit 2, each control unit and the interface one_to_one corresponding on connector I 3.As, A2 control unit, then the A2 interface of corresponding connector I is pressed in this region.Another group control area is provided with four row (1 ~ 4) eight and arranges (A ~ H) individual control unit 2, each control unit and the interface one_to_one corresponding on connector II 4.Each control unit includes diplopore base 6, H-shaped conduction plug 5 and is arranged on the control knob at H-shaped conduction plug top.Wherein, a hole of diplopore base and some pin in entire car controller I/O interface, another hole is connected with some pin of the I/O interface of I/O board.Control test cabinet by inspection software and send pumping signal, pumping signal inputs entire car controller by fault injection device, the response signal of pumping signal is fed back in test cabinet by entire car controller by fault injection device, and shows the correlation values of this response on industrial computer.
Fault injection device has short trouble function of injecting, open circuit fault function of injecting, the function of measurement entire car controller pin input and output value.
Short trouble function of injecting, for simulate entire car controller on real vehicle with a certain line short circuit after, the response of entire car controller, when entire car controller is tested by entire car controller closed loop test equipment, H-shaped conduction plug top interface on direct fault location panel in fault injection device is inserted a wire, by the other end of wire respectively with ground, power supply (5V, 12V) and other H-shaped conduction plug short circuits, test can be by finding the CAN interface that entire car controller is corresponding on direct fault location panel, access the CAN data after Canalyer equipment observes entire car controller response on this interface.
Open circuit fault function of injecting, for simulating the entire car controller situation that I/O interface wire harness causes wire harness to disconnect due to abrasion on real vehicle, when entire car controller is tested by entire car controller closed loop test equipment, H-shaped conduction plug on direct fault location panel is extracted, I/O interface circuit corresponding to tested entire car controller is disconnected, the input/output information of other I/O being associated with this direct fault location I/O can be checked on direct fault location panel by circuit tester, and CAN message can be read by equipment, check when there being this kind of fault, whether entire car controller has corresponding response.
Measure the function of entire car controller pin input and output value, during for testing entire car controller function under simulating normal condition, read equipment by circuit tester or CAN and read the entire car controller response to excitation, after being mainly used in entire car controller application layer software and entire car controller hardware integration, whether I/O mouth can be driven by entire car controller bottom software, if driving normal, check that entire car controller obtains after the excitation of entire car controller hardware in loop equipment further, whether entire car controller application layer software can carry out a normal logical process to excitation, and then export a normal value from output interface or the CAN interface of entire car controller.
Concrete detection method:
Step 1) entire car controller is connected with 12V power supply, by controller internal processes carries out demarcating the effectiveness of test controller output port.
Step 2) for entire car controller analog input interface testing time, outside utilizes sensor to input this controller, by monitoring software observe built-in variable, check simulation input the most effective；
Step 3) time entire car controller digital-quantity input interface is tested, being connected to 12V anode switch on one end, the switch other end is connected in digital-quantity input interface, operates switch, constantly give low and high level, check that interface is the most effective by monitoring software；
Step 4) test entire car controller power CAN transmitting-receiving, by equipment Canalyer being connected on the power CAN that controller is big, simulate other controller nodes send information, check that controller whether has response, and send out corresponding information.
Claims (2)
1. the detection device of an entire car controller, it is included in ring test device and fault injection device, industrial computer and the test cabinet being provided with inspection software is included at ring test device, test cabinet includes primary processor, comprehensively applying for card and CAN interface board, the I/O board that is connected respectively of being connected with primary processor outfan with comprehensive board and CAN interface board outfan, it is characterised in that: described fault injection device includes direct fault location panel, the connector I being connected with I/O board, the connector II that is connected with entire car controller；Direct fault location panel is provided with two groups of control areas, and one of which control area is provided with four row 13 row control units, each control unit and the interface one_to_one corresponding on connector I；Another group control area is provided with four row eight and arranges a control unit, each control unit and the interface one_to_one corresponding on connector II.
The detection device of entire car controller the most according to claim 1, it is characterised in that: described control unit includes diplopore base, H-shaped conduction plug and is arranged on the control knob at H-shaped conduction plug top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045679.0U CN205540248U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for vehicle control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045679.0U CN205540248U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for vehicle control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205540248U true CN205540248U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045679.0U Expired - Fee Related CN205540248U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for vehicle control unit |
Country Status (1)
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| CN (1) | CN205540248U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444702A (en) * | 2016-09-14 | 2017-02-22 | 成都雅骏新能源汽车科技股份有限公司 | Vehicle control unit test signal generating device |
| CN107748560A (en) * | 2017-11-29 | 2018-03-02 | 南京越博动力系统股份有限公司 | A kind of program control direct fault location case of pure electric vehicle controller |
| CN110389042A (en) * | 2019-07-16 | 2019-10-29 | 中国第一汽车股份有限公司 | A kind of finished vehicle electronic electric automatization integrated test system based on semi-true object emulation technology |
| CN112363487A (en) * | 2020-11-30 | 2021-02-12 | 埃泰克汽车电子(芜湖)有限公司 | Automobile seat testing system based on SCU HIL and control method thereof |
-
2016
- 2016-01-18 CN CN201620045679.0U patent/CN205540248U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444702A (en) * | 2016-09-14 | 2017-02-22 | 成都雅骏新能源汽车科技股份有限公司 | Vehicle control unit test signal generating device |
| CN107748560A (en) * | 2017-11-29 | 2018-03-02 | 南京越博动力系统股份有限公司 | A kind of program control direct fault location case of pure electric vehicle controller |
| CN110389042A (en) * | 2019-07-16 | 2019-10-29 | 中国第一汽车股份有限公司 | A kind of finished vehicle electronic electric automatization integrated test system based on semi-true object emulation technology |
| CN112363487A (en) * | 2020-11-30 | 2021-02-12 | 埃泰克汽车电子(芜湖)有限公司 | Automobile seat testing system based on SCU HIL and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20220118 |