CN201804272U - Anti-lock braking system control module function detection equipment - Google Patents
Anti-lock braking system control module function detection equipment Download PDFInfo
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- CN201804272U CN201804272U CN2010205310069U CN201020531006U CN201804272U CN 201804272 U CN201804272 U CN 201804272U CN 2010205310069 U CN2010205310069 U CN 2010205310069U CN 201020531006 U CN201020531006 U CN 201020531006U CN 201804272 U CN201804272 U CN 201804272U
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- system control
- lock braking
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Abstract
The utility model discloses anti-lock braking system control module function detection equipment comprising a CRIO controller, and a digital input module, a digital output module, an analog quantity input module, an analog quantity output module, a measurement module and a communication module which are respectively connected with the CRIO controller; the other ends of the digital input module, the digital output module, the analog quantity input module, the analog quantity output module, the measurement module and the communication module are respectively connected with a matrix switch module; the matrix switch module is also connected with a test fixture which is connected with an anti-lock braking system control module. The utility model overcomes the defects of the prior art, and provides the anti-lock braking system control module function detection equipment which has small size, is convenient to carry and has low manufacturing cost.
Description
Technical field
The utility model relates to a kind of anti-lock braking system control module Function detection equipment.
Background technology
Anti-lock braking system in automobiles is an automobile when carrying out big damping force brake on any road surface, prevents the system of the complete locking of wheel, is the brake gear with good braking effect, is called for short ABS (anti-lock braking system) system.The advantage of ABS system has: shorten braking distance; Strengthen intact stability; Alleviate tire wear; Easy to use, reliable operation.When automobile was born, motor vehicle braking system was just being played the part of vital role at the secure context of vehicle.Research about automobile brake at present mainly concentrates on braking control aspect, comprises the theory and the method for braking control, and adopts new technology.
Therefore, in the industry for the detection of dispatching from the factory of automobile ABS product lot quantity production, need a kind of quick indoor checkout equipment of the actual braking situation of vehicle that can reflect judge whether the function of ABS is normal, with anti-lock braking system in automobiles controller (ECU) detection method of the quality of evaluation ABS performance.Anti-lock braking system in automobiles proving installation under the prior art condition is bulky, and the cost height is not easy to carry.
Summary of the invention
In order to overcome the deficiency that prior art exists, the purpose of this utility model be to provide a kind of volume little, be convenient for carrying, the anti-lock braking system control module Function detection equipment of low cost of manufacture.
For reaching above purpose, the utility model provides a kind of anti-lock braking system control module Function detection equipment, comprise the CRIO controller, the digital input module that is connected with described CRIO controller respectively, the numeral output module, the analog quantity load module, analog output module, measurement module, communication module, described digital input module, the numeral output module, the analog quantity load module, analog output module, measurement module, the other end of communication module is connected with the matrix switch module respectively, and described matrix switch module also is connected with the test fixture that is used to connect the anti-lock braking system control module.
Further improvement of the utility model is, comprises a serial port module that is used to connect programmable module and power supply.
Further improvement of the utility model is that described communication module is the CAN communication module.
Further improvement of the utility model is, also is provided with on the described CRIO controller to be used for the data transmission interface that is connected with computer.
Further improvement of the utility model is that described data transmission interface is the RJ45 interface.
Further improvement of the utility model is that described measurement module is the digital multimeter that is used for test voltage, electric current and resistance.
Further improvement of the utility model is that described matrix switch module also is connected with the Switching Power Supply that is used to open or close described matrix switch module.
The beneficial effects of the utility model are: adopt microprocessor to carry out the control and the processing of data, dwindled the volume of product greatly, on the basis that does not influence the product operation efficiency, the anti-lock braking system in automobiles controller is had be convenient for carrying, hand-holdable, control advantage such as accurate.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of anti-lock braking system control module of the utility model Function detection equipment working state.
Embodiment
Below preferred embodiment of the present utility model is described in detail, thereby protection domain of the present utility model is made more explicit defining so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1, a kind of anti-lock braking system control module Function detection equipment, comprise the CRIO controller, the digital input module that is connected with the CRIO controller respectively, the numeral output module, the analog quantity load module, analog output module, measurement module, the CAN communication module, digital input module wherein, the numeral output module, the analog quantity load module, analog output module, measurement module, the other end of CAN communication module is connected with the matrix switch module respectively, the matrix switch module also is connected with the test fixture that is used to connect the anti-lock braking system control module, when test, test fixture is connected with the anti-lock braking system control module, tests by matrix switch module and CAN communication module.
Analog output module provides the wheel speed sensors simulating signal for abs controller, and digital output module provides digital signal.
Also comprise a serial port module that is used to connect programmable module and power supply, can carry out reprogrammed to the CRIO controller by serial port module,
Also be provided with the RJ45 interface that is used for being connected, being used for data transmission on the CRIO controller with computer.Can receive at any time on the computer, carry out the reprogrammed with the CRIO controller of checking of test result.
Measurement module is the digital multimeter that is used for test voltage, electric current and resistance.
The matrix switch module also is connected with the Switching Power Supply that is used to open or close the matrix switch module, when Switching Power Supply is opened, opens the matrix switch module, when Switching Power Supply is closed, closes the matrix switch module.The matrix switch module is responsible for being communicated with or disconnecting the measurement path that abs controller end to be measured arrives digital multimeter.
ECU (electronic control unit) is the control center of ABS system, its function is to accept the wheel speed signal that four wheel upper sensors send here and the signal of other sensors input, measure, comparison, analysis, amplification and juggling, pass through accurate Calculation, the slip rate of wheel, the acceleration and the retarded velocity of wheel when drawing braking, and judge whether wheel has the trend of locking, sends the signal that control signal is given the self diagnosis signal of the control signal of hydrostatic control unit, output and exported to antilock device failure indicator by its output stage again.
Below by preferred embodiment of the present utility model in detail principle of work of the present utility model is described in detail.
1, resistance test
Test fixture is connected with abs controller, and the matrix switch module is opened, and is communicated with abs controller and CAN communication module, and digital multimeter guarantees that by the resistance value of CAN communication module measurement abs controller resistance is in normal scope.
2, the monitoring voltage test
After powering on to abs controller, digital multimeter is measured the voltage and the resistance value of the control point everywhere on the abs controller, guarantees in normal scope.
3, the wheel speed test
3.1 continuity testing
Analog output module writes setting value for the register of abs controller wheel speed sensors by the CAN communication module, the analog quantity load module is accepted the information from the register of abs controller wheel speed sensors then, the CRIO controller is read the numeral in the analog quantity load module by the CAN communication module, and compare with the numeral of analog output module output, whether be communicated with abs controller to judge.
3.2 leakage current test
Analog output module simulation wheel speed data write setting value for the register of abs controller wheel speed sensors by the CAN communication module, and digital multimeter is by the leakage current of matrix switch module testing after powering up to wheel speed.
3.3 saturation voltage test
Analog output module simulation wheel speed data write setting value for the register of abs controller wheel speed sensors by the CAN communication module, the voltage of digital multimeter after by the connection testing wheel speed sensors input constant current of matrix switch module.
3.4 power supply ADC (analog to digital converter) test
In wheel speed sensors input correspondent voltage, become magnitude of voltage by CAN communication module sense data through algorithm computation then, judge whether this magnitude of voltage is qualified.
3.5 input test
The waveform that the wheel speed signal simulator produces certain frequency is input to sensor, by CAN communication module read frequency value, judges whether this frequency values is qualified then.
By above embodiment as can be seen, the utility model be a kind of volume little, be convenient for carrying, the anti-lock braking system control module Function detection equipment of low cost of manufacture.
Above embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this, all equivalences of being done according to the utility model spirit change or modification all is encompassed in the protection domain of the present utility model.
Claims (7)
1. anti-lock braking system control module Function detection equipment, it is characterized in that: comprise the CRIO controller, the digital input module that is connected with described CRIO controller respectively, the numeral output module, the analog quantity load module, analog output module, measurement module, communication module, described digital input module, the numeral output module, the analog quantity load module, analog output module, measurement module, the other end of communication module is connected with the matrix switch module respectively, and described matrix switch module also is connected with the test fixture that is used to connect the anti-lock braking system control module.
2. anti-lock braking system control module Function detection equipment as claimed in claim 1 is characterized in that: also comprise a serial port module that is used to connect programmable module and power supply.
3. anti-lock braking system control module Function detection equipment as claimed in claim 1, it is characterized in that: described communication module is the CAN communication module.
4. anti-lock braking system control module Function detection equipment as claimed in claim 1 is characterized in that: also be provided with on the described CRIO controller and be used for the data transmission interface that is connected with computer.
5. anti-lock braking system control module Function detection equipment as claimed in claim 4 is characterized in that: described data transmission interface is RJ 45 interfaces.
6. anti-lock braking system control module Function detection equipment as claimed in claim 1, it is characterized in that: described measurement module is the digital multimeter that is used for test voltage, electric current and resistance.
7. anti-lock braking system control module Function detection equipment as claimed in claim 1, it is characterized in that: described matrix switch module also is connected with the Switching Power Supply that is used to open or close described matrix switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205310069U CN201804272U (en) | 2010-09-15 | 2010-09-15 | Anti-lock braking system control module function detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205310069U CN201804272U (en) | 2010-09-15 | 2010-09-15 | Anti-lock braking system control module function detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804272U true CN201804272U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205310069U Expired - Fee Related CN201804272U (en) | 2010-09-15 | 2010-09-15 | Anti-lock braking system control module function detection equipment |
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| CN (1) | CN201804272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043406A (en) * | 2010-09-15 | 2011-05-04 | 苏州凌创电子系统有限公司 | Function detection equipment for anti-lock braking system (ABS) control module |
-
2010
- 2010-09-15 CN CN2010205310069U patent/CN201804272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043406A (en) * | 2010-09-15 | 2011-05-04 | 苏州凌创电子系统有限公司 | Function detection equipment for anti-lock braking system (ABS) control module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Suzhou City, Jiangsu province 215122 Loufeng town Suzhou Industrial Park venture industrial square No. 17 factory Patentee 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 Patentee before: Suzhou Linktron Electronic System Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |