CN202512433U - Test cabinet of vehicle network - Google Patents
Test cabinet of vehicle network Download PDFInfo
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- CN202512433U CN202512433U CN2012200389942U CN201220038994U CN202512433U CN 202512433 U CN202512433 U CN 202512433U CN 2012200389942 U CN2012200389942 U CN 2012200389942U CN 201220038994 U CN201220038994 U CN 201220038994U CN 202512433 U CN202512433 U CN 202512433U
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Abstract
The utility model provides a test cabinet of a vehicle network. The test cabinet comprises a test plug box comprising at least one board used for simulating a vehicle network environment, a test host which is used for control the running of the test cabinet and is connected with the board in the test plug box, and an oscilloscope which is used for measuring a time or slope coefficient of a rising edge/falling edge of a signal and is connected with the test host. The test cabinet can be applied to a universal network test platform of a plurality of vehicle types. Through simple arrangement, automatic unit testing and system testing of network communication and network management and diagnosis of any ECU (Electronic Control Unit) of any vehicle type can be realized, a vehicle type development cost is reduced, and development efficiency is improved.
Description
Technical field
The utility model relates to the vehicle network field tests, relates in particular to a kind of test cabinet of In-vehicle networking.
Background technology
Along with the continuous development of automotive engineering, various electronic volume controllers significantly increase in the automobile, and the appearance of In-vehicle networking is related to each controller together; Share signal resource; Significantly reduce the use of wire harness, reduced complete vehicle weight and cost, the real-time and the security that have improved vehicle.
Yet the test cabinet of present In-vehicle networking is to develop according to the model of concrete vehicle, causes existing test cabinet not have versatility.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of test cabinet of In-vehicle networking, can be applicable to the network test of the vehicle of multiple model.
For above-mentioned purpose, the utility model provides a kind of test cabinet of In-vehicle networking, comprising:
One test subrack comprises that at least one is used to simulate the integrated circuit board of In-vehicle networking environment;
One is used to control the Test Host of test cabinet operation, is connected with integrated circuit board in the said test subrack;
One is used for the time of measuring-signal rising edge/negative edge or the oscillograph of slope, is connected with said Test Host.
Preferably, said test cabinet also comprises: be used for stabilized voltage supply and the programmable power supply that is used for to the Test Host power supply to each the integrated circuit board power supply of test subrack.
Preferably, said Test Host is connected with said programmable power supply through general purpose interface bus, and said Test Host is connected with said oscillograph through Ethernet interface, and said Test Host is connected with said integrated circuit board through Ethernet interface.
Preferably, the output voltage of said stabilized voltage supply is 12V, and the output voltage of said programmable power supply is 0～30V.
Can be known by technique scheme, the utlity model has following beneficial effect: this test cabinet can be applied to the universalization Instruction Network Test System Platform of multi-vehicle-type.Through simple setting, can realize automatic unit test and system testing to any ECU of any vehicle (Electronic Control Unit, electronic control unit) network service, network management and diagnosis, reduced the automobile development cost, improve development efficiency.
Description of drawings
Fig. 1 representes the structural representation of test cabinet among the embodiment of the utility model;
Fig. 2 representes the front schematic view of test subrack among the embodiment of the utility model;
Fig. 3 representes test philosophy synoptic diagram among the embodiment of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer,, the utility model embodiment is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the utility model and explanation are used to explain the utility model, but not as the qualification to the utility model.
As shown in Figure 1, be the structural representation of test cabinet among the embodiment of the utility model, this test cabinet comprises:
One test subrack 11 comprises that at least one is used to simulate the integrated circuit board (not shown) of In-vehicle networking environment;
One is used to control the Test Host 12 of test cabinet operation, is connected with integrated circuit board in the said test subrack 11;
One is used for the time of measuring-signal rising edge/negative edge or the oscillograph 13 of slope, is connected with said Test Host 12.
In the present embodiment, test cabinet also comprises: be used for stabilized voltage supply 15 and the programmable power supply 14 that is used for to Test Host 12 power supplies to each the integrated circuit board power supply of test subrack.
Continuation is referring to Fig. 1; This test cabinet also comprises: power control switch 16; This power control switch 16 comprises rotary switch, has air switch, the emergency stop switch of overcurrent protection function to wait the bulk supply of controlling test cabinet, guarantees the safety of test cabinet internal unit.
In the present embodiment, the output voltage 12V of stabilized voltage supply 15 gives each the integrated circuit board power supply in the test cabinet through stabilized voltage supply 15;
In the present embodiment, programmable power supply 14 can pass through GPIB (General-Purpose Interface Bus, general purpose interface bus) and be connected with Test Host 12, and the output voltage range of may command programmable power supply 14 (0～30V is adjustable) is given tested ECU power supply;
In the present embodiment, oscillograph 13 is used for the time or the slope of accurate measuring-signal rising edge/negative edge;
In the present embodiment; Test Host 12 is used for the integral body control to test cabinet, can be through gpib interface control programmable power supply 14, through Ethernet interface control oscillograph 13; In this Test Host 12 network test software can be installed, utilize specific language test case;
As shown in Figure 2, be the front schematic view of test subrack among the embodiment of the utility model, the function of test subrack 11 and forming as follows:
(1) frontal left of test subrack is the test pilot lamp: test cell and integration testing-CAN1～CAN5;
(CAN1～CAN5), test cabinet is connected with Test Host through this interface (2) 5 road CAN (Controller Area Network, controller local area network) passage output interface;
(3) 2 road CAN signals disturb interface, are used to connect the CAN signal jamming equipment in the test cabinet;
(4) 1 OBD (On-Board Diagnostics, OBD) interface is with each road CAN passage of form connection of OBD interface;
(5) 1 system testing interfaces are realized the wire harness of system testing stand is connected and control through this interface.
In the present embodiment, the inside of this test subrack 11 is that 1 integrated circuit board and polylith unit testing plate are formed, and following function is provided:
Power supply: the power supply and the control signal of the whole test cabinet of the whole control of integrated circuit board, realize the control of, GND electric to 5 road CAN passages, K30 electricity, K15 etc. through the control to relay matrix;
Fault is injected: can realize the short circuit of CAN_H/CAN_L to Vbat/GND, CAN_H opens circuit to CAN_L, CAN_H/CAN_L network failure function of injecting such as open circuit;
Circuit Matching: can realize the switching of high-speed CAN and low speed CAN, and the matching feature of terminating circuit;
System testing: the control of system testing also realizes through the test subrack.
As shown in Figure 3, be test philosophy synoptic diagram among the embodiment of the utility model, Test Host is connected with integrated circuit board through Ethernet; Use test software control integrated circuit board mainly is used for simulating the network environment relevant with the ECU communication (CAN/LIN BUS), the incoming message signal that provides equipment under test (DUT) to need; And the state through integrated circuit board and EBI monitoring DUT; Can control testing process, show test results, can generate test report behind the EOT.
Auto test flow and test case are write and can be accomplished by the edit tool TAE with graphic programming interface (Test Automation Editor); TAE supports the test script that XML writes; Thereby realize the automatic test flow process, and test result can generate test report automatically.
Can be known by technique scheme, the utlity model has following beneficial effect: this test cabinet can be applied to the universalization Instruction Network Test System Platform of multi-vehicle-type.Through simple setting, can realize automatic unit test and system testing to any ECU of any vehicle (Electronic Control Unit, electronic control unit) network service, network management and diagnosis, reduced the automobile development cost, improve development efficiency.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (4)
1. the test cabinet of an In-vehicle networking is characterized in that, comprising:
One test subrack comprises that at least one is used to simulate the integrated circuit board of In-vehicle networking environment;
One is used to control the Test Host of test cabinet operation, is connected with integrated circuit board in the said test subrack; And
One is used for the time of measuring-signal rising edge/negative edge or the oscillograph of slope, is connected with said Test Host.
2. test cabinet according to claim 1 is characterized in that, said test cabinet also comprises: be used for stabilized voltage supply and the programmable power supply that is used for to the Test Host power supply to each the integrated circuit board power supply of test subrack.
3. test cabinet according to claim 2; It is characterized in that; Said Test Host is connected with said programmable power supply through general purpose interface bus, and said Test Host is connected with said oscillograph through Ethernet interface, and said Test Host is connected with said integrated circuit board through Ethernet interface.
4. test cabinet according to claim 2 is characterized in that, the output voltage of said stabilized voltage supply is 12V, and the output voltage of said programmable power supply is 0～30V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200389942U CN202512433U (en) | 2012-02-07 | 2012-02-07 | Test cabinet of vehicle network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200389942U CN202512433U (en) | 2012-02-07 | 2012-02-07 | Test cabinet of vehicle network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512433U true CN202512433U (en) | 2012-10-31 |
Family
ID=47064901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200389942U Expired - Lifetime CN202512433U (en) | 2012-02-07 | 2012-02-07 | Test cabinet of vehicle network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512433U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929274A (en) * | 2012-11-07 | 2013-02-13 | 北京汽车股份有限公司 | Test system, method and device for redundancy of in-vehicle network during ground offset |
| CN103259704A (en) * | 2013-03-29 | 2013-08-21 | 北京经纬恒润科技有限公司 | CAN bus data transceiver |
| CN107171893A (en) * | 2017-06-13 | 2017-09-15 | 延锋伟世通电子科技（南京）有限公司 | Automatic test platform and its method of testing based on CAN network |
-
2012
- 2012-02-07 CN CN2012200389942U patent/CN202512433U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929274A (en) * | 2012-11-07 | 2013-02-13 | 北京汽车股份有限公司 | Test system, method and device for redundancy of in-vehicle network during ground offset |
| CN102929274B (en) * | 2012-11-07 | 2015-08-05 | 北京汽车股份有限公司 | In-vehicle networking ground skewed redundant test macro, method and apparatus |
| CN103259704A (en) * | 2013-03-29 | 2013-08-21 | 北京经纬恒润科技有限公司 | CAN bus data transceiver |
| CN107171893A (en) * | 2017-06-13 | 2017-09-15 | 延锋伟世通电子科技（南京）有限公司 | Automatic test platform and its method of testing based on CAN network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
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| CX01 | Expiry of patent term |