CN203563081U - A CAN bus testing apparatus commonly used by vehicles - Google Patents
A CAN bus testing apparatus commonly used by vehicles Download PDFInfo
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- CN203563081U CN203563081U CN201320512096.0U CN201320512096U CN203563081U CN 203563081 U CN203563081 U CN 203563081U CN 201320512096 U CN201320512096 U CN 201320512096U CN 203563081 U CN203563081 U CN 203563081U
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- bus test
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Abstract
The utility model discloses a CAN bus testing apparatus commonly used by vehicles. The CAN bus testing apparatus comprises a bus testing workbench and a bus testing hanging plate stand. A host computer, a oscilloscope, a data acquisition device, a CAN signal interrupting device, and a function signal generator which are mutually connected and arranged on the bus testing workbench are connected with the bus testing hanging plate stand. The bus testing hanging plate stand is provided with testing positions used for placing tested controllers, disconnected line boxes connected with the testing positions, and a control box controlling the connection of the disconnected line boxes. The CAN bus testing apparatus is capable of monitoring a CAN signal on a single controller or a bus network formed by multiple controllers in real time, performing consistency testing and physical layer testing, monitoring various electrical signals of the controller in real time, such as current, voltage, and temperature or the like, and performing testing and analysis. Additionally, the CAN bus testing apparatus may also switch, control, and display the monitoring signals in real time, complete automated testing, and generate test reports.
Description
Technical field
The utility model relates to a kind of CAN bus test device, especially a kind of automotive universal CAN bus test device.
Background technology
Along with the development of automotive electronic technology, the control system on car is more and more, and analog signal communication in the past can not satisfy the demands.Bussing technique has become the main flow direction of automobile control unit communication gradually at present, and present vehicle has all used bussing technique, and domestic car has been brought into use bussing technique gradually.
Increasingly sophisticated electronic equipment often needs a plurality of control units to carry out communication, and this brings challenges to the stability of car load network.Current bus test is general only for data link layer and the application layer of network, for the test of physical layer seldom, and cannot detection signal automatically be controlled and be switched.
For non-bus signals, general bus test equipment cannot be realized monitoring, test and the analysis of signal.
Utility model content
The utility model is for solving the testing equipment function singleness existing in prior art, the deficiency of very flexible, the electric signal that cannot obtain by bus gathers, analyzing and processing, the technical problem that car load network consistency, stability are tested, and a kind of automotive universal CAN bus test device is provided.
The technical scheme that the utility model is taked for the technical problem existing in solution prior art is:
A kind of automotive universal CAN bus test device, comprise bus test workbench and bus test link plate stand, on bus test workbench, be placed with interconnective host computer, oscilloscope, data acquisition unit, CAN signal countermeasure set, function signal generator, host computer, oscilloscope, data acquisition unit and CAN signal countermeasure set are connected with bus test link plate stand respectively, described bus test link plate stand is provided with the test bit of placing tested controller, the broken string box being connected with test bit, the control box of control connection broken string box.
Each described test bit is connected to form test branch road with 1 broken string box respectively, and between each adjacent test branch road, connects 1 broken string box and form measurement circuit.
Described control box is connected with each broken string box respectively, and control box is also connected with host computer.
Described bus test link plate stand is provided with 1-8 test bit.
The arbitrary node of described measurement circuit is connected with CAN signal countermeasure set or oscilloscope.
Described described automotive universal CAN bus test device also comprises the bus test control cubicle being connected with bus test link plate stand with bus test workbench respectively.
Described bus test control cubicle comprises from top to bottom the switch placed successively, PLC control box, the signal switching apparatus being connected with host computer, the power transfer device being connected with PLC control box, and the supply unit of power transfer device and be provided with the 12V storage battery of 2 group storage battery output interfaces.
The secondary signal data acquisition interface that the signal output interface that described signal switching apparatus comprises the first signal data acquisition interface of one group, 16 passage, function generator connects 4 passage is a group and 20 passages are one group, and first signal data acquisition interface connects oscilloscope.
Described power transfer device comprises the second D.C. regulated power supply output interface of the first D.C. regulated power supply output interface of 4 groups of 0-10A output currents, 3 groups of 0-60A output currents, the UCS(Ultra Compact Simulator of 3 groups, transient pulse anti-jamming signal simulator) the electronic load output interface of power output interface and 3 groups, and power transfer device is connected with the tested controller in test bit.
The D.C. regulated power supply of described supply unit is connected with the first D.C. regulated power supply output interface, the second D.C. regulated power supply output interface respectively, the UCS power supply of supply unit is connected with UCS power output interface, and the electronic load of supply unit is connected with electronic load output interface.
Advantage and the good effect that the utlity model has are:
Automotive universal CAN bus test device can be monitored in real time to the CAN signal in the bus network of single controller or a plurality of controller composition, and carries out uniformity test, and physical layer test; And each electric signal such as electric current, voltage, temperature of supervisory control device in real time, test and analyze.In addition, can also between pilot signal, switch, control and show in real time, completing automatic test, generating test report.
Accompanying drawing explanation
Fig. 1 is the structural representation of bus test workbench of the present utility model;
Fig. 2 is the structural representation of bus test link plate stand of the present utility model;
Fig. 3 is the structural representation of bus test control cubicle of the present utility model;
Fig. 4 is the structure for amplifying schematic diagram of A portion in Fig. 3.
1. bus test workbench 2. host computers
3. oscilloscope 4. data acquisition units
5. CAN signal countermeasure set 6. bus test link plate stands
7. test bit 8. broken string boxes
9. control box 10. bus test control cubicles
11. switch 12. PLC control boxes
13. signal switching apparatus 14. first signal data acquisition interfaces
15. signal output interface 16. secondary signal data acquisition interfaces
17. power transfer device 18. first D.C. regulated power supply output interfaces
19. second D.C. regulated power supply output interface 20. USC power output interfaces
21. electronic load output interface 22. supply units
23. D.C. regulated power supply 24. UCS power supplys
25. electronic load 26. storage battery output interfaces
27. storage batterys.28. function signal generators.
Embodiment
Referring to drawings and Examples, the utility model is described in detail.
As Figure 1-4, automotive universal CAN bus test device of the present utility model, comprise bus test workbench 1, bus test link plate stand 2 and bus test control cubicle 10, the equipment on bus test workbench 1, bus test link plate stand 6 and bus test control cubicle 10 interconnects.
On described bus test workbench 1, be placed with interconnective host computer 2, oscilloscope 3, data acquisition unit 4, CAN signal countermeasure set 5, function signal generator 28.
Described bus test link plate stand 6 is provided with the test bit 7 of placing tested controller, the broken string box 8 being connected with test bit 7, the control box 9 of control connection broken string box 8.
Described bus test link plate stand 6 is provided with 1-8 test bit 7, and each test bit 7 is connected to form test branch road with 1 broken string box 8 respectively, is connected with 1 broken string box 8 between each adjacent test branch road, forms measurement circuit.And control box 9 is connected with each broken string box 8 respectively, control box 9 is also connected with host computer 2.On measurement circuit, arbitrary node can be connected with CAN signal countermeasure set 5 or oscilloscope 3.
Described bus test control cubicle 10 comprises from top to bottom the switch 11 placed successively, PLC control box 12, the signal switching apparatus 13 being connected with host computer 2, the power transfer device 17 being connected with PLC control box 12, and the supply unit 22 of power transfer device 17 and be provided with the 12V storage battery 27 of 2 group storage battery output interfaces 26.
Described signal switching apparatus 13 comprises the signal output interface 15 of one group of the first signal data acquisition interface 14 of one group, 16 passage that is connected with data acquisition unit 4,4 passage that function signal generator 28 connects and the secondary signal data acquisition interface 16 of one group, 20 passage being connected with data acquisition unit 4, and first signal data acquisition interface 14 connection oscilloscopes 3.
Described power transfer device 17 comprises the electronic load output interface 21 of the USC power output interface 20 of 19,3 groups of the second D.C. regulated power supply output interfaces of 18,3 groups of 0-60A output currents of the first D.C. regulated power supply output interface of 4 groups of 0-10A output currents and 3 groups of 1000W, 0-200A, 1.5V-150V, and the interface of power transfer device 17 different models connects from the different tested controller in test bit 7.
Described the first D.C. regulated power supply output interface 18, the second D.C. regulated power supply output interface 19 are connected with the D.C. regulated power supply 23 of supply unit 22, UCS power output interface 20 is connected with the USC power supply 24 of supply unit 22, and electronic load output interface 21 is connected with the electronic load 25 of supply unit 22.
The host computer 2 of bus test workbench 1, as human-computer interaction interface, is realized the operation of whole test macro, tests the configuration of tested controller and the demonstration of test data, analysis, storage, generation report.Automotive universal CAN bus test device can reproduce towards tested controller the interference of CAN bus signals, bus physical attribute and logic current potential (stealthy or dominant).
Broken string box 8 can connect the node of several tested controllers, realize automatic control and the switching of host computer 2 to each node test project, comprise that CAN_H or CAN_L open circuit, CAN_H or CAN_L shorted to earth, CAN_H or CAN_L test physical layers such as CAN_L short circuits Vcc short circuit, CAN_H battery positive voltage short circuit, CAN_H or CAN_L.In addition, by connecting the broken string box 8 of respectively testing branch road on master network, can test the topological structure of whole CAN bus.
Claims (10)
1. an automotive universal CAN bus test device, comprise bus test workbench and bus test link plate stand, on bus test workbench, be placed with interconnective host computer, oscilloscope, data acquisition unit, CAN signal countermeasure set, function signal generator, host computer, oscilloscope, data acquisition unit and CAN signal countermeasure set are connected with bus test link plate stand respectively, it is characterized in that: bus test link plate stand is provided with the test bit of placing tested controller, the broken string box being connected with test bit, the control box of control connection broken string box.
2. automotive universal CAN bus test device according to claim 1, is characterized in that: each test bit is connected to form test branch road with 1 broken string box respectively, and between each adjacent test branch road, connects 1 broken string box and form measurement circuit.
3. automotive universal CAN bus test device according to claim 2, is characterized in that: control box is connected with each broken string box respectively, and control box is also connected with host computer.
4. automotive universal CAN bus test device according to claim 2, is characterized in that: bus test link plate stand is provided with 1-8 test bit.
5. automotive universal CAN bus test device according to claim 2, is characterized in that: the arbitrary node of measurement circuit is connected with CAN signal countermeasure set or oscilloscope.
6. automotive universal CAN bus test device according to claim 1, is characterized in that: described automotive universal CAN bus test device also comprises the bus test control cubicle being connected with bus test link plate stand with bus test workbench respectively.
7. automotive universal CAN bus test device according to claim 6, is characterized in that: bus test control cubicle comprises the switch placed successively from top to bottom, PLC control box, the signal switching apparatus being connected with host computer, the power transfer device being connected with PLC control box, and the supply unit of power transfer device and be provided with the 12V storage battery of 2 group storage battery output interfaces.
8. automotive universal CAN bus test device according to claim 7, it is characterized in that: the secondary signal data acquisition interface that the signal output interface that signal switching apparatus comprises the first signal data acquisition interface of one group, 16 passage, function signal generator connects 4 passage is a group and 20 passages are a group, and first signal data acquisition interface connects oscilloscope.
9. automotive universal CAN bus test device according to claim 7, it is characterized in that: power transfer device comprises the second D.C. regulated power supply output interface of the first D.C. regulated power supply output interface of 4 groups of 0-10A output currents, 3 groups of 0-60A output currents, the UCS power output interface of 3 groups and the electronic load output interface of 3 groups, and power transfer device is connected with the tested controller in test bit.
10. automotive universal CAN bus test device according to claim 9, it is characterized in that: the D.C. regulated power supply of supply unit is connected with the first D.C. regulated power supply output interface, the second D.C. regulated power supply output interface respectively, the UCS power supply of supply unit is connected with UCS power output interface, and the electronic load of supply unit is connected with electronic load output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512096.0U CN203563081U (en) | 2013-08-21 | 2013-08-21 | A CAN bus testing apparatus commonly used by vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512096.0U CN203563081U (en) | 2013-08-21 | 2013-08-21 | A CAN bus testing apparatus commonly used by vehicles |
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| Publication Number | Publication Date |
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| CN203563081U true CN203563081U (en) | 2014-04-23 |
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| CN201320512096.0U Expired - Lifetime CN203563081U (en) | 2013-08-21 | 2013-08-21 | A CAN bus testing apparatus commonly used by vehicles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105975369A (en) * | 2016-05-23 | 2016-09-28 | 河北工业大学 | Automatic testing environment configuration device for vehicle-mounted network unit |
| CN107592239A (en) * | 2017-08-31 | 2018-01-16 | 中国第汽车股份有限公司 | A kind of CAN network power supply changes automatic test device and its method |
| CN108292998A (en) * | 2015-10-09 | 2018-07-17 | 西门子瑞士有限公司 | bus coupling unit and bus system with bus coupling unit |
| CN108614133A (en) * | 2018-05-23 | 2018-10-02 | 北京新能源汽车股份有限公司 | A kind of broken string box and vehicle detecting system |
-
2013
- 2013-08-21 CN CN201320512096.0U patent/CN203563081U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292998A (en) * | 2015-10-09 | 2018-07-17 | 西门子瑞士有限公司 | bus coupling unit and bus system with bus coupling unit |
| US10929328B2 (en) | 2015-10-09 | 2021-02-23 | Siemens Schweiz Ag | Bus coupling unit and bus system having a bus coupling unit |
| CN105975369A (en) * | 2016-05-23 | 2016-09-28 | 河北工业大学 | Automatic testing environment configuration device for vehicle-mounted network unit |
| CN107592239A (en) * | 2017-08-31 | 2018-01-16 | 中国第汽车股份有限公司 | A kind of CAN network power supply changes automatic test device and its method |
| CN108614133A (en) * | 2018-05-23 | 2018-10-02 | 北京新能源汽车股份有限公司 | A kind of broken string box and vehicle detecting system |
| CN108614133B (en) * | 2018-05-23 | 2021-01-01 | 北京新能源汽车股份有限公司 | Wire breakage box and vehicle detection system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: 130011 Changchun Province, West New Economic and Technological Development Zone, Dongfeng Street, No. 2259, No. Patentee after: China Faw Co.,Ltd. Address before: 300380 No. 578 Fu Jing Road, Xiqing District, Tianjin Patentee before: Tianjin Faw Xiali Automobile Co.,Ltd. Patentee before: China Faw Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
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| CX01 | Expiry of patent term |