CN102043407A - Function test device of car engine controller - Google Patents
Function test device of car engine controller Download PDFInfo
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- CN102043407A CN102043407A CN 201010283740 CN201010283740A CN102043407A CN 102043407 A CN102043407 A CN 102043407A CN 201010283740 CN201010283740 CN 201010283740 CN 201010283740 A CN201010283740 A CN 201010283740A CN 102043407 A CN102043407 A CN 102043407A
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Abstract
The invention discloses a function test device of a car engine controller, which is characterized in that, based on a PXI bus architecture, the function test device comprises an analog quantity output module, a communication module, a load control module, a measuring module and a PXI controller, wherein the PXI controller is respectively connected with the analog quantity output module, the measuring module, the communication module and the load control module so as to control each module to test the engine controller. The function test device of the invention overcomes the shortcomings existing in the prior art, and is large in data transmission amount and quick in data transmission speed.
Description
Technical field
The present invention relates to a kind of car engine controller function checkout equipment.
Background technology
As host computer, single-chip microcomputer or separate apparatus are basic building as slave computer to existing car engine controller function checkout equipment with industrial control computer, realize the Function detection to the car engine controller.There is following defective in prior art: system constructing itself can't overcome industrial computer and single-chip microcomputer or discrete instrument technical bottleneck in transferring large number of data Time Bandwidth deficiency, the processing speed of system data depends on and is subject to the processing speed of single-chip microcomputer or discrete instrument; Systems bulky, the manufacturing cost height.
Summary of the invention
In order to overcome the deficiency that prior art exists, the object of the present invention is to provide a kind of transmitted data amount big, the car engine controller function checkout equipment that data rate is fast.
For reaching above purpose, the invention provides a kind of car engine controller function checkout equipment, based on the PXI bus architecture, comprise
Analog output module, simulated sensor data enters data in the described engine controller;
Communication module is used for the information communication of PXI controller and described engine controller;
Load control module is used to test described engine controller work and whether exports correct signal;
Measurement module is measured the data of described engine controller output, obtains testing result;
The PXI controller is connected with described analog output module, measurement module, communication module and load control module respectively, is used to control each module described engine controller is tested.
Further improvement of the present invention is, described analog output module comprises static simulation amount output module, dynamic similation amount output module and digital quantity output module, described static simulation amount output module analog sensor direct current signal, described dynamic similation amount output module analog sensor waveform signal, described digital quantity output module output discrete digital signal.
Further improvement of the present invention is that described measurement module comprises digital multimeter, is used to measure voltage, electric current, resistance and the Wave data of described engine controller output.
Further improvement of the present invention is, also comprises a switch module that is used to be communicated with or disconnect described engine controller and measurement module.
Further improvement of the present invention is that described PXI controller is connected with described load simulation module by the LXI network interface.
Further improvement of the present invention is that described communication module comprises the CAN communication module.
The invention has the beneficial effects as follows: 1, abandoned the framework of traditional test equipment, adopted the PXI bus architecture, can allow data quantity transmitted big at every turn, data rate is fast, further causes the system data processing speed fast; 2, system bulk is little, low cost of manufacture.
Description of drawings
Accompanying drawing 1 is the working state structure synoptic diagram of a kind of car engine controller function of the present invention checkout equipment.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1, a kind of car engine controller function checkout equipment based on the PXI bus architecture, comprises
Analog output module, simulated sensor data enters data in the engine controller;
Communication module is used for the information communication of PXI controller and engine controller;
Load control module is used for the work of testing engine controller and whether exports correct signal;
Measurement module is measured the data of engine controller output, obtains testing result;
Switch module is used for being communicated with or disconnecting engine controller and measurement module;
The PXI controller is connected with analog output module, measurement module, communication module, load control module and switch module respectively, is used to control each module engine controller is tested; Wherein the PXI controller is connected with the load simulation module by the LXI network interface.
In the present embodiment, analog output module comprises static simulation amount output module, dynamic similation amount output module and digital quantity output module, static simulation amount output module analog sensor direct current signal, dynamic similation amount output module analog sensor waveform signal, digital quantity output module output discrete digital signal, measurement module is a digital multimeter, is used to measure voltage, electric current, resistance and the Wave data of engine controller output.Communication module is the CAN communication module.Switch module is the matrix switch module.
Principle of work of the present invention below is described in detail in detail.
Engine controller input test flow process:
At first the PXI controller is an engine controller analog sensor direct current signal by the total line traffic control static simulation of PXI amount output module, and static simulation amount output module is input to direct current signal in the engine controller.The PXI controller reads information in the engine controller by the CAN communication module afterwards, judges whether the information in the engine controller is correct, and then judges whether engine controller is qualified.
Use dynamic similation amount output module and digital quantity output module that engine controller is carried out input test more successively, carrying out input test with static simulation amount output module, different is, dynamic similation amount output module is to engine controller input pickup waveform signal, and the digital quantity output module is to sensor input digit amount signal.The method of test repeats no more here with static simulation amount output module.
Engine controller output testing process:
PXI controller control load analog module connects respective load to engine controller.The PXI controller sends instruction to engine controller by the CAN communication module, engine controller is had export the load simulation module accordingly to, by giving engine controller different instructions, different the instructing of engine controller output to the load simulation module, by the function situation of load simulation module, can test out engine controller and whether can send correct instruction each load.
Confirming that engine controller can send on the basis of correct instruction, the test that the instruction that engine controller is sent quantizes, whether the testing engine controller produces the instruction of regulation numerical value.The PXI controller utilizes the matrix switch module that digital multimeter is connected to the corresponding output terminal of engine controller, the PXI controller is measured the signal value of engine controller corresponding output end by the digital multimeter module, the signal value here comprises numerals such as voltage, electric current, waveform, by the judgement of signal value is judged further whether engine controller is qualified.
By above embodiment as can be seen, the present invention is that a kind of transmitted data amount is big, and data rate is fast, and system bulk is little, the car engine controller function checkout equipment of low cost of manufacture.
Above embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present invention and is implemented; can not limit protection scope of the present invention with this, all equivalences that spirit is done according to the present invention change or modification all is encompassed in protection scope of the present invention.
Claims (6)
1. a car engine controller function checkout equipment is characterized in that: based on the PXI bus architecture, comprise
Analog output module, simulated sensor data enters data in the described engine controller;
Communication module is used for the information communication of PXI controller and described engine controller;
Load control module is used to test described engine controller work and whether exports correct signal;
Measurement module is measured the data of described engine controller output, obtains testing result;
The PXI controller is connected with described analog output module, measurement module, communication module and load control module respectively, is used to control each module described engine controller is tested.
2. car engine controller function checkout equipment according to claim 1, it is characterized in that: described analog output module comprises static simulation amount output module, dynamic similation amount output module and digital quantity output module, described static simulation amount output module analog sensor direct current signal, described dynamic similation amount output module analog sensor waveform signal, described digital quantity output module output discrete digital signal.
3. car engine controller function checkout equipment according to claim 1, it is characterized in that: described measurement module comprises digital multimeter, is used to measure voltage, electric current, resistance and the Wave data of described engine controller output.
4. car engine controller function checkout equipment according to claim 1, it is characterized in that: also comprise a switch module that is used to be communicated with or disconnect described engine controller and measurement module, described switch module is connected with described PXI controller.
5. car engine controller function checkout equipment according to claim 4 is characterized in that: described PXI controller is connected with described load simulation module by the LXI network interface.
6. car engine controller function checkout equipment according to claim 1, it is characterized in that: described communication module comprises the CAN communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010283740 CN102043407A (en) | 2010-09-15 | 2010-09-15 | Function test device of car engine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010283740 CN102043407A (en) | 2010-09-15 | 2010-09-15 | Function test device of car engine controller |
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| CN102043407A true CN102043407A (en) | 2011-05-04 |
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| CN 201010283740 Pending CN102043407A (en) | 2010-09-15 | 2010-09-15 | Function test device of car engine controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393736A (en) * | 2011-11-22 | 2012-03-28 | 苏州凌创电子科技有限公司 | NEST suitable for vehicle engine controller and test method thereof |
| CN109855798A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of portable pressure in-line calibration device based on PXI bussing technique |
| CN110806741A (en) * | 2019-11-19 | 2020-02-18 | 清华大学苏州汽车研究院（相城） | Automatic detection system and method for function detection of active noise controller |
| CN110850773A (en) * | 2019-11-14 | 2020-02-28 | 北京和利时系统工程有限公司 | Signal acquisition method and device, computer storage medium and electronic equipment |
| CN111399486A (en) * | 2020-04-17 | 2020-07-10 | 广东戈兰玛汽车系统有限公司 | Automobile transmission controller detection system |
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| CN110850773A (en) * | 2019-11-14 | 2020-02-28 | 北京和利时系统工程有限公司 | Signal acquisition method and device, computer storage medium and electronic equipment |
| CN110806741A (en) * | 2019-11-19 | 2020-02-18 | 清华大学苏州汽车研究院（相城） | Automatic detection system and method for function detection of active noise controller |
| CN111399486A (en) * | 2020-04-17 | 2020-07-10 | 广东戈兰玛汽车系统有限公司 | Automobile transmission controller detection system |
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Address after: Suzhou City, Jiangsu province 215122 Loufeng town Suzhou Industrial Park venture industrial square No. 17 factory Applicant after: Suzhou Linktron Electronic System Co., Ltd. Address before: Suzhou Industrial Park Suzhou city Jiangsu province 215000 Tang Zhuang Road No. 88 Building No. 1 Applicant before: Suzhou Linktron Electronic System Co., Ltd. |
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Application publication date: 20110504 |