CN102880169A - Testing tool for automatic gearbox control units - Google Patents
Testing tool for automatic gearbox control units Download PDFInfo
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- CN102880169A CN102880169A CN2012103660574A CN201210366057A CN102880169A CN 102880169 A CN102880169 A CN 102880169A CN 2012103660574 A CN2012103660574 A CN 2012103660574A CN 201210366057 A CN201210366057 A CN 201210366057A CN 102880169 A CN102880169 A CN 102880169A
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- module
- chip microcomputer
- automatic gear
- testing tool
- box control
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The invention provides a testing tool for automatic gearbox control units. The testing tool comprises a USB (universal serial bus) data communication module and a single chip microcomputer module. The single chip microcomputer module comprises a digital signal output sub-module, an analog signal output sub-module, a frequency signal output sub-module, a frequency signal acquisition sub-module and an analog signal acquisition sub-module, and is communicated with an automatic gearbox control unit by a CAN (controller area network) transmitting and receiving circuit. Various functional modules of a single chip microcomputer are sufficiently utilized to simulate signals and acquire data of the automatic gearbox control unit, the single chip microcomputer is communicated with the automatic gearbox control unit by the CAN transmitting and receiving circuit, and then is connected with an upper computer by the USB data communication module, various tests for the automatic gearbox control unit can be realized by system software of the upper computer, testing files are formed and stored, and troublesome operation for simulating signals and acquiring data by using various devices is reduced.
Description
Technical field
The present invention relates to automatic gear-box control module field tests.
Background technology
In the performance history of automatic gear-box, need to the testing of the input and output of automatic gear-box control module, be correct with the signal of guaranteeing the collection of automatic gear-box control module and output.Present technician uses plurality of devices to carry out signal imitation and the data acquisition rally makes work become more loaded down with trivial details, not easy to operate, will take a lot of times on stream.
Summary of the invention
The objective of the invention is to propose a kind of simple timesaving automatic gear-box control module testing tool.
According to the first testing tool of automatic gear-box single control system provided by the invention, key is to comprise usb data communication module and one-chip computer module, described one-chip computer module comprises that digital signal output sub-module, analog signal output submodule, frequency signal output sub-module, frequency signal gather submodule and collection of simulant signal submodule, and described one-chip computer module is communicated by letter with the automatic gear-box control module by the CAN transmission circuit.
Automatic gear-box control module testing tool of the present invention, take full advantage of signal imitation and the data acquisition of a plurality of Implement of Function Module automatic gear-box control modules of single-chip microcomputer, realize communicating by letter by CAN transmission circuit realization single-chip microcomputer and automatic gear-box control module, be connected with host computer by the usb data communication module again, just can realize the various tests of automatic gear-box control module by the system software on the host computer, and form the test file preservation, reduced and used plurality of devices to carry out the loaded down with trivial details work of signal imitation and data acquisition.
The PWM module that described frequency output sub-module is described single-chip microcomputer.Regulate the frequency that need to be carried in when dutycycle can realize testing on the automatic gear-box by the PWM module of single-chip microcomputer.
It is the ECT module of single-chip microcomputer that described frequency signal gathers submodule.ECT module by single-chip microcomputer can capture automatic gear-box control module actual frequency signal fast and accurately.
The IO port that described digital signal output sub-module is single-chip microcomputer.Utilize single-chip microcomputer IO port can produce the digital signal that test needs.
Described analog signal output submodule is the DA conversion chip.SPI module by single-chip microcomputer passes to the DA chip with the numerical value of the simulating signal of required generation, realizes the output of simulating signal.
The AD modular converter that described collection of simulant signal submodule is single-chip microcomputer.Can accurately collect the analog value of the actual output of automatic gear-box control module by the AD module of single-chip microcomputer.
Described usb data communication module is the usb protocol modular converter.
Embodiment
Below by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and principle of work etc. are described in further detail.
The first testing tool of automatic gear-box single control system of the present invention, comprise usb data communication module and one-chip computer module, one-chip computer module comprises that digital signal output sub-module, analog signal output submodule, frequency signal output sub-module, frequency signal gather submodule and collection of simulant signal submodule, and one-chip computer module is communicated by letter with the automatic gear-box control module by the CAN transmission circuit.The present invention takes full advantage of signal imitation and the data acquisition of a plurality of Implement of Function Module automatic gear-box control modules of single-chip microcomputer, realize communicating by letter by CAN transmission circuit realization single-chip microcomputer and automatic gear-box control module, be connected with host computer by the usb data communication module again, just can realize the various tests of automatic gear-box control module by the system software on the host computer, and form the test file preservation, reduced and used plurality of devices to carry out the loaded down with trivial details work of signal imitation and data acquisition.The system software of host computer can adopt such as multiple script exploitations such as Python.
In the present embodiment, single-chip microcomputer is selected the single-chip microcomputer of Freescale S12 series 112pin.The frequency output sub-module is the PWM module of single-chip microcomputer.Regulate the frequency that need to be carried in when dutycycle can realize testing on the automatic gear-box by the PWM module of single-chip microcomputer.It is the ECT module of single-chip microcomputer that frequency signal gathers submodule.ECT module by single-chip microcomputer can capture automatic gear-box control module actual frequency signal fast and accurately.The digital signal output sub-module is the IO port of single-chip microcomputer.Utilize single-chip microcomputer IO port can produce the digital signal that test needs.The analog signal output submodule is the DA conversion chip, and present embodiment selects chip TLV5608 to realize the simulation of simulating signal.The collection of simulant signal submodule is the AD modular converter of single-chip microcomputer, realizes the collection to input voltage.Single-chip microcomputer by the usb protocol modular converter for example chip FT2232D realize communicating by letter with host computer, communicate by letter with the automatic gear-box control module by the CAN transmission circuit.
Claims (7)
1. automatic gear-box control module testing tool, it is characterized in that comprising usb data communication module and one-chip computer module, described one-chip computer module comprises that digital signal output sub-module, analog signal output submodule, frequency signal output sub-module, frequency signal gather submodule and collection of simulant signal submodule, and described one-chip computer module is communicated by letter with the automatic gear-box control module by the CAN transmission circuit.
2. automatic gear-box control module testing tool according to claim 1 is characterized in that the PWM module that described frequency output sub-module is described single-chip microcomputer.
3. automatic gear-box control module testing tool according to claim 1 is characterized in that it is the ECT module of single-chip microcomputer that described frequency signal gathers submodule.
4. automatic gear-box control module testing tool according to claim 1 is characterized in that the IO port that described digital signal output sub-module is single-chip microcomputer.
5. automatic gear-box control module testing tool according to claim 1 is characterized in that described analog signal output submodule is the DA conversion chip.
6. automatic gear-box control module testing tool according to claim 1 is characterized in that the AD modular converter that described collection of simulant signal submodule is single-chip microcomputer.
7. according to claim 1 to 6 each described automatic gear-box control module testing tools, it is characterized in that described usb data communication module is the usb protocol modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103660574A CN102880169A (en) | 2012-09-28 | 2012-09-28 | Testing tool for automatic gearbox control units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103660574A CN102880169A (en) | 2012-09-28 | 2012-09-28 | Testing tool for automatic gearbox control units |
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| CN102880169A true CN102880169A (en) | 2013-01-16 |
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| CN2012103660574A Pending CN102880169A (en) | 2012-09-28 | 2012-09-28 | Testing tool for automatic gearbox control units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359677A (en) * | 2021-06-24 | 2021-09-07 | 中国第一汽车股份有限公司 | Test system of gearbox control unit |
| CN110990998B (en) * | 2019-10-26 | 2023-09-19 | 重庆铁马工业集团有限公司 | Intelligent manufacturing process system for gearbox body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286063A (en) * | 2008-04-25 | 2008-10-15 | 奇瑞汽车股份有限公司 | Electric control machinery automatic speed transmission signal collection device |
| CN201302462Y (en) * | 2008-12-04 | 2009-09-02 | 奇瑞汽车股份有限公司 | Automatic gearbox electric control system data collector |
-
2012
- 2012-09-28 CN CN2012103660574A patent/CN102880169A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286063A (en) * | 2008-04-25 | 2008-10-15 | 奇瑞汽车股份有限公司 | Electric control machinery automatic speed transmission signal collection device |
| CN201302462Y (en) * | 2008-12-04 | 2009-09-02 | 奇瑞汽车股份有限公司 | Automatic gearbox electric control system data collector |
Non-Patent Citations (2)
| Title |
|---|
| 朱丹: "客车自动变速箱测试系统", 《中国优秀硕士学位论文全文数据库》, 15 September 2009 (2009-09-15) * |
| 蔡立康等: "基于89C52的汽车自动变速箱通用测试仪的研制", 《南京工业职业技术学院学报告》, vol. 3, no. 4, 31 December 2003 (2003-12-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110990998B (en) * | 2019-10-26 | 2023-09-19 | 重庆铁马工业集团有限公司 | Intelligent manufacturing process system for gearbox body |
| CN113359677A (en) * | 2021-06-24 | 2021-09-07 | 中国第一汽车股份有限公司 | Test system of gearbox control unit |
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Application publication date: 20130116 |