CN202133906U - Automobile ignition voltage signal and CAN bus signal synchronous simulation testing device - Google Patents
Automobile ignition voltage signal and CAN bus signal synchronous simulation testing device Download PDFInfo
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- CN202133906U CN202133906U CN201120179374U CN201120179374U CN202133906U CN 202133906 U CN202133906 U CN 202133906U CN 201120179374 U CN201120179374 U CN 201120179374U CN 201120179374 U CN201120179374 U CN 201120179374U CN 202133906 U CN202133906 U CN 202133906U
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Abstract
Disclosed are an automobile ignition signal and a CAN bus signal synchronous simulation testing device. The testing device comprises a master control module, a CAN bus signal transceiving module, a simulation ignition voltage generating module and a PC host, wherein the master control module is connected between the PC host and the CAN bus signal transceiving module and the simulation ignition voltage generating module; the CAN bus signal transceiving module is used for sending a CAN bus signal to a product to be tested, and is connected between the master control module and the product to be tested; the simulation ignition voltage generating module is used for sending a simulation voltage to the product to be tested, and is connected between the master control module and a power line of the product to be tested; and the PC host is connected with the master control module, and is used for information interaction with the master control module and controlling.
Description
Technical field
The utility model relates to a kind of simulating test device of automotive interior control system.
Background technology
The CAN bus has become the versabus on the automobile, and power supply voltage signal and CAN bus signals are to change synchronously when lighting a fire on the automobile, and synchronization accuracy will reach Millisecond.The checking of current power management to ignition process all is respectively the voltage signal and the CAN bus signals of igniting to be separated single simulating, verifying; Test process need be edited the voltage waveform and the CAN protocol definition of searching complicacy of up to a hundred of quantity one by one; Take time and effort; Also can't realize synchronization simulation validation test, cause the automobile electronics entrucking to occur the more CAN bus signals that causes by ignition operation post sales in the blank of the synchronous power management field tests of CAN bus signals and voltage signal and lost and show unusual problem voltage signal and two kinds of signals of CAN bus signals.
The utility model content
In view of this, the utility model technical matters that will solve provides a kind of convenient test, tests automotive ignition voltage signal and CAN bus signals synchronously simulating proving installation accurately.
In order to solve the problems of the technologies described above, the utility model adopts following mode to realize:
A kind of automotive ignition voltage signal and CAN bus signals synchronously simulating proving installation, said proving installation comprises main control module, CAN bus signals transceiver module, simulation points ignition voltage generation module and PC main frame,
Wherein, Described main control module is connected between PC main frame and CAN bus signals transceiver module, the simulation points ignition voltage generation module, and control CAN bus signals transceiver module and simulation points ignition voltage generation module produce synchronous CAN bus signals and simulation points ignition voltage signal;
Described CAN bus signals transceiver module is used for sending the CAN bus signals to product to be tested, is connected between main control module and the product to be tested;
Described simulation points ignition voltage generation module is used for sending the simulation points ignition voltage to product to be tested, is connected between the power lead of main control module and product to be tested;
The PC main frame is connected with main control module, is used for carrying out information interaction and control with main control module.
As improvement to such scheme; Described main control module is to have the adjustment of many signals, A/D translation function and adopt field programmable gate array control and the automation controller able to programme of real-time flush bonding processor, but the IO interface that this automation controller able to programme has repeated configuration.
Wherein, described CAN bus signals transceiver module is the NI9853 module, and its output interface is connected with products C AN bus to be tested.
Wherein, described simulation points ignition voltage generation module is the NI9263 module, and this module output interface presses signal amplification becoming large power, electrically to press the amplifirer of signal to be connected with product to be tested light current through one.
The utility model can be realized CAN bus signals and ignition voltage signal high precision synchronous real-time simulation test; Filled up the blank in this piece test; The quality problems of unusual problem are lost and showed to the CAN bus signals that helps the control ignition operation to cause, test is accurate, stable; The synchronization accuracy of CAN bus signals and ignition voltage signal can reach 0.5ms, has satisfied the requirement of strict big depot (like masses, general etc.) on this synchronism detection; Can a plurality of different pulses carry out automatic follow-on test, replace original craft and write waveform and the operation of test one by one one by one, test, modification are conveniently saved the test manpower and have been improved testing efficiency; But the just igniting action on the emulation automobile has replaced real vehicle igniting test in the laboratory, has reduced because the use test car is tested problems such as the tail gas that produces, testing cost height.
Description of drawings
Fig. 1 is the utility model example structure principle schematic.
Embodiment
Defective to prior art exists below will combine accompanying drawing describing in further detail the utility model for the ease of it will be appreciated by those skilled in the art that:
Shown in accompanying drawing 1; What present embodiment disclosed is a kind of automotive ignition voltage signal and CAN bus signals synchronously simulating proving installation, compares with existing real vehicle igniting test, is easy to test and debugging more; Can reduce testing cost according to vehicle needs adjustment parameter.
Automotive ignition voltage signal and CAN bus signals synchronously simulating proving installation that this programme discloses comprise main control module 1, CAN bus signals transceiver module 2, simulation points ignition voltage generation module 3 and PC main frame 4.Wherein, This main control module 1 is connected between PC main frame 4 and CAN bus signals transceiver module 2 and the simulation points ignition voltage generation module 3, and control CAN bus signals transceiver module 2 produces synchronous CAN bus signals and simulation points ignition voltage signal respectively with simulation points ignition voltage generation module 3.And CAN bus signals transceiver module 2 is used for sending the CAN bus signals to product to be tested, is connected between main control module 1 and the product to be tested.This simulation points ignition voltage generation module 3 is used for sending the simulation points ignition voltage to product to be tested, is connected between the power lead of main control module 1 and product to be tested.4 in PC main frame is connected with main control module 1, is used for carrying out information interaction and control with main control module 1.
The main control module 1 that present embodiment adopts is for having many signals adjustment, A/D translation function and adopt field programmable gate array control and the automation controller able to programme of real-time flush bonding processor, but the IO interface that this automation controller able to programme has repeated configuration.As can adopt the CompactRIO system of NI (American National Instr Ltd.); This system integration many signal conditions, A/D conversion, FPGA bottom control and RealTime real-time control system function, can be used for the synchronous high precision simulating developer of simulation points ignition voltage and CAN bus signals in the present embodiment.
In addition, the CAN bus signals transceiver module 2 that present embodiment adopted is the NI9853 module of NI (American National Instr Ltd.), and the output interface of this module is connected with products C AN bus to be tested.The transmitting-receiving of NI9853 module controls CAN bus signals; This module meets ISO 11898 standards; Can be used for standard (11) and expansion (29) CAN bus ID arbitrarily; Have the CAN bus emission/receiving velocity of 1 Mb/s, range of application has covered the communicating requirement of all automobile CAN-bus.
And; The simulation points ignition voltage generation module 3 that present embodiment adopted is the NI9263 module of NI (American National Instr Ltd.), and this module output interface presses signal amplification becoming large power, electrically to press the amplifirer 5 of signal to be connected with product to be tested light current through one.This NI9263 module simulation produces ignition voltage signal, and the voltage range of this module is ± 10 V, and sampling rate is 100 kS/s, can reach the time control accuracy of 0.01ms.The time precision of the RealTime of main control module 1 is 25ns, can accomplish the control of Millisecond time precision, can make these two kinds of signals of CAN bus signals and simulation points ignition voltage signal reach precise synchronization.
Because whole testing device needs real-time as the case may be multiple waveform of generation and monitor state, so adopt the ICP/IP protocol mode to realize the two information interaction and control between PC main frame 4 and the main control module 1, open ended speed data stream can be up to 10M.
The proving installation that this programme discloses can be realized CAN bus signals and ignition voltage signal high precision synchronous real-time simulation test; Filled up the blank in this piece test; The quality problems of unusual problem are lost and showed to the CAN bus signals that helps the control ignition operation to cause, test is accurate, stable; The synchronization accuracy of CAN bus signals and ignition voltage signal can reach 0.5ms, has satisfied the requirement of strict big depot (like masses, general etc.) on this synchronism detection; Can a plurality of different pulses carry out automatic follow-on test, replace original craft and write waveform and the operation of test one by one one by one, test, modification are conveniently saved the test manpower and have been improved testing efficiency; But the just igniting action on the emulation automobile has replaced real vehicle igniting test in the laboratory, has reduced because the use test car is tested problems such as the tail gas that produces, testing cost height.
The above embodiment has only expressed the embodiment of the utility model, and it describes comparatively concrete and detailed, can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.
Claims (4)
1. automotive ignition voltage signal and CAN bus signals synchronously simulating proving installation; It is characterized in that; Said proving installation comprises main control module (1), CAN bus signals transceiver module (2), simulation points ignition voltage generation module (3) and PC main frame (4)
Wherein, Described main control module is connected between PC main frame and CAN bus signals transceiver module, the simulation points ignition voltage generation module, and control CAN bus signals transceiver module and simulation points ignition voltage generation module produce synchronous CAN bus signals and simulation points ignition voltage signal;
Described CAN bus signals transceiver module is used for sending the CAN bus signals to product to be tested, is connected between main control module and the product to be tested;
Described simulation points ignition voltage generation module is used for sending the simulation points ignition voltage to product to be tested, is connected between the power lead of main control module and product to be tested;
The PC main frame is connected with main control module, is used for carrying out information interaction and control with main control module.
2. automotive ignition voltage signal according to claim 1 and CAN bus signals synchronously simulating proving installation; It is characterized in that: described main control module is to have the adjustment of many signals, A/D translation function and adopt field programmable gate array control and the automation controller able to programme of real-time flush bonding processor, but the IO interface that this automation controller able to programme has repeated configuration.
3. automotive ignition voltage signal according to claim 1 and CAN bus signals synchronously simulating proving installation is characterized in that: described CAN bus signals transceiver module is the NI9853 module, and its output interface is connected with products C AN bus to be tested.
4. automotive ignition voltage signal according to claim 1 and CAN bus signals synchronously simulating proving installation; It is characterized in that: described simulation points ignition voltage generation module is the NI9263 module, and this module output interface presses signal amplification becoming large power, electrically to press the amplifirer (5) of signal to be connected with product to be tested light current through one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120179374U CN202133906U (en) | 2011-05-31 | 2011-05-31 | Automobile ignition voltage signal and CAN bus signal synchronous simulation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120179374U CN202133906U (en) | 2011-05-31 | 2011-05-31 | Automobile ignition voltage signal and CAN bus signal synchronous simulation testing device |
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| Publication Number | Publication Date |
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| CN202133906U true CN202133906U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120179374U Expired - Fee Related CN202133906U (en) | 2011-05-31 | 2011-05-31 | Automobile ignition voltage signal and CAN bus signal synchronous simulation testing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637032A (en) * | 2012-04-13 | 2012-08-15 | 惠州市德赛汽车电子有限公司 | Automotive electrical signal automated testing system and testing method thereof |
| CN104236614A (en) * | 2014-09-02 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Method and device for detecting durability of vehicle-mounted CAN bus type automobile dashboard |
| CN108490227A (en) * | 2018-06-26 | 2018-09-04 | 重庆力华科技有限责任公司 | A kind of vehicle mounted multimedia product test circuit of control line superposition communication test instruction |
| CN110542565A (en) * | 2019-08-30 | 2019-12-06 | 上海赫千电子科技有限公司 | Vehicle simulation ignition test method |
| CN110618325A (en) * | 2019-08-30 | 2019-12-27 | 上海赫千电子科技有限公司 | Vehicle simulation ignition pressure test system |
-
2011
- 2011-05-31 CN CN201120179374U patent/CN202133906U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637032A (en) * | 2012-04-13 | 2012-08-15 | 惠州市德赛汽车电子有限公司 | Automotive electrical signal automated testing system and testing method thereof |
| CN102637032B (en) * | 2012-04-13 | 2014-11-26 | 惠州市德赛西威汽车电子有限公司 | Automotive electrical signal automated testing system and testing method thereof |
| CN104236614A (en) * | 2014-09-02 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Method and device for detecting durability of vehicle-mounted CAN bus type automobile dashboard |
| CN104236614B (en) * | 2014-09-02 | 2018-05-25 | 延锋伟世通电子科技（上海）有限公司 | The method and apparatus for detecting vehicle-mounted CAN bus type automobile instrument endurance quality |
| CN108490227A (en) * | 2018-06-26 | 2018-09-04 | 重庆力华科技有限责任公司 | A kind of vehicle mounted multimedia product test circuit of control line superposition communication test instruction |
| CN108490227B (en) * | 2018-06-26 | 2023-09-05 | 重庆力华科技有限责任公司 | Vehicle-mounted multimedia product test circuit with control line overlapped with communication test instruction |
| CN110542565A (en) * | 2019-08-30 | 2019-12-06 | 上海赫千电子科技有限公司 | Vehicle simulation ignition test method |
| CN110618325A (en) * | 2019-08-30 | 2019-12-27 | 上海赫千电子科技有限公司 | Vehicle simulation ignition pressure test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20140531 |