CN101387875B - Control circuit for test system of arm for automatically regulating clearance of brake of automobile - Google Patents
Control circuit for test system of arm for automatically regulating clearance of brake of automobile Download PDFInfo
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- CN101387875B CN101387875B CN2008101214017A CN200810121401A CN101387875B CN 101387875 B CN101387875 B CN 101387875B CN 2008101214017 A CN2008101214017 A CN 2008101214017A CN 200810121401 A CN200810121401 A CN 200810121401A CN 101387875 B CN101387875 B CN 101387875B
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 230000001105 regulatory effect Effects 0.000 title claims description 22
- 238000012545 processing Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
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- 230000010354 integration Effects 0.000 abstract description 2
- 230000004936 stimulating effect Effects 0.000 abstract 2
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- 241001269238 Data Species 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides a control circuit of a test system for an automotive automatic brake clearance adjustment arm, which belongs to the technical field of mechanical-electrical integration. The control circuit resolves the problems of low test accuracy, tedious process and incapability of stimulating test under severe environment. The control circuit of a test system for an automotive automatic brake clearance adjustment arm comprises a data input-output module, a central processing unit, a power supply and a sensor module, wherein the input-output module and the sensor module are all connected with the central processing unit, and the control circuit further comprises a hub driving motor connected with the central processing unit, and a driving air chamber which drives the whole arm to operate. The central processing unit controls the hub driving motor and the automatic adjustment arm air chamber to operate, and the power supply provides power for the whole control circuit. The invention has the advantages of accurate and speedy test, and having the capability of really stimulating actual working condition.
Description
Technical field
The invention belongs to electromechanical integration technology area, relate to the control circuit of a kind of control circuit, particularly a kind of test system of arm for automatically regulating clearance of brake of automobile.
Background technology
The vitals of driver and passenger's personal safety when brake system of car is the assurance galloping.Arm for automatically regulating clearance of brake is a car brakeing critical component partly, is used to adjust the brake clearance between shoe brake and the wheel hub, makes it remain on a steady state value, and is reliable to guarantee braking, vehicle driving safety.Before arm for automatically regulating clearance of brake dispatches from the factory, detect brake clearance, damping force and moment, and damping force is adjusted.
Traditional arm for automatically regulating clearance of brake producer adopts artificial mode to carry out this detection and adjustment, and parameter is fuzzyyer, is difficult to reach accuracy of detection, and very loaded down with trivial details.Perhaps adopt special-purpose testing table to test, this test pattern not only versatility is poor, and intelligent degree is low, the hardware device redundancy, and can't simulate the test under the rugged surroundings at all, and be difficult to the new demand of the each side such as diversity, automation of operation of adaptive testing object.
Summary of the invention
The objective of the invention is the problems referred to above of being deposited when at present arm for automatically regulating clearance of brake being tested, automatically adjust the arm working environment and proposed a kind of simulating brake gap, the control circuit of the universal test system that arm for automatically regulating clearance of brake is tested.
Purpose of the present invention can realize by following technical proposal: a kind of control circuit of test system of arm for automatically regulating clearance of brake of automobile, it is characterized in that, described control circuit comprises the data input/output module, central processing unit, power supply and the sensor assembly that is used for data acquisition, input/output module, sensor assembly all is connected with central processing unit, above-mentioned control circuit also comprises the wheel hub drive motor that is connected with central processing unit and drives the driving air chamber of adjusting arm work, central processing unit control wheel hub drive motor and the work of adjustment arm driving air chamber automatically, power supply is to the The whole control circuit supply, sensor assembly detects the data transmission that obtains and gives central processing unit, show central processing unit output control signal control wheel hub drive motor and the work of driving air chamber again by input/output module.
Control circuit provided by the present invention is applied to the test macro of arm for adjusting automobile brake clearance automatically, and test macro has the arrestment mechanism and the driving mechanism of simulation, is used for the skidding process of simulated automotive when travelling.Simulating brake mechanism is controlled by the wheel hub drive motor, and central processing unit is then controlled the work of wheel hub drive motor, and analog-driven mechanism then provides power by air chamber, accepts central processing unit control between same.Repeatedly in the simulated automotive skidding process, the every data that need test are carried out data acquisition by sensor assembly to test macro, and show on the data input/output module, and the operator operates by the data input/output module.
In the control circuit of above-mentioned test system of arm for automatically regulating clearance of brake of automobile, described sensor assembly comprises torsion torque sensor, detects the gap sensor of spacing between shoe brake and the wheel hub and the displacement transducer of detection shoe brake wear extent, described torsion torque sensor is used to detect the output torque of adjusting arm, all is serially connected with A/D converter between each above-mentioned sensor and the central processing unit.The simulating signal that various sensor obtain flows to central processing unit after changing through A/D converter, shows by input/output module again.
In the control circuit of above-mentioned test system of arm for automatically regulating clearance of brake of automobile, described data input/output module is an interface touch-screen that is connected with central processing unit.The interface touch-screen possesses data presentation and two kinds of functions of operation signal input, controls the working condition of whole test system, and every data presentation that test obtains is come out.
In the control circuit of above-mentioned test system of arm for automatically regulating clearance of brake of automobile, described data input/output module comprises display and operation keyboard, and described display all is connected with central processing unit with operation keyboard.As another kind of scheme, can adopt the display of two simple functions and the combination of operation keyboard to replace above-mentioned interface touch-screen, can reach identical purpose equally.
In the control circuit of above-mentioned test system of arm for automatically regulating clearance of brake of automobile, be connected with printer on the described central processing unit.In case of necessity, central processing unit may command printer prints experimental data.
In the control circuit of above-mentioned test system of arm for automatically regulating clearance of brake of automobile, also be connected with alarm on the described central processing unit.When displacement transducer detects shoe brake experience wear is excessive, central processing unit is sent an alerting signal, central processing unit is controlled alarm equipment alarm again, reminds the operator need change shoe brake.
Compared with prior art, the control circuit of this test system of arm for automatically regulating clearance of brake of automobile adopts high performance monitoring device, to the experimental datas such as gap of moment, shoe brake and the wheel hub of worm gear in the test process by the interface screen displaying, so that the operator can in time understand the experiment situation, and can print experimental data, form, curve etc.System testing is accurately quick, and test item is complete, and real simulated is adjusted the actual working state of arm automatically, and every performance index of arm are adjusted in test in good time automatically.Control circuit has perfect protective device and warning device, to vehicle brake gap in the experimentation, adjust the angle that the worm gear of arm turns over and the wear extent of shoe brake automatically and monitor, at extreme position acoustic-optic alarm is arranged, and is safe and reliable.
Description of drawings
Fig. 1 is the circuit block diagram of this control circuit.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, the control circuit of this test system of arm for automatically regulating clearance of brake of automobile comprises central processing unit, interface touch-screen, power supply and is connected in series torsion torque sensor, gap sensor, torque sensor, temperature sensor and the displacement transducer that is connected with central processing unit behind the A/D converter respectively.The interface touch-screen is connected with central processing unit, is used to show test figure and carries out manual operation.Also be connected with respectively the wheel hub drive motor that simulating brake mechanism and driving mechanism to test macro advance to provide power on the central processing unit and drive air pump.
Torsion torque sensor is used to detect the output torque of adjusting arm, gap sensor is used for detecting spacing between simulating brake mechanism shoe brake and the wheel hub, torque sensor is used for detecting the damping force of simulating brake mechanism, temperature sensor is used for detecting the braking environment temperature, and displacement transducer is used for detecting the wear extent of simulating brake mechanism shoe brake.When displacement transducer detects shoe brake experience wear is excessive, central processing unit is sent an alerting signal, be connected with alarm this moment on the central processing unit words just can realize warning function, the prompting operator need change shoe brake.
Control circuit provided by the present invention is applied to the test macro of arm for adjusting automobile brake clearance automatically, and test macro has simulating brake mechanism and driving mechanism, is used for the skidding process of simulated automotive when travelling.Simulating brake mechanism is controlled by the wheel hub drive motor, and central processing unit is then controlled the work of wheel hub drive motor, and analog-driven mechanism then provides power by air pump, accepts central processing unit control.Test macro is repeatedly in the simulated automotive skidding process, the every data that need test are carried out data acquisition by sensor assembly, the simulating signal that various sensor obtain flows to central processing unit after changing through A/D converter, comes out by the interface screen displaying again.
As another kind of scheme, can adopt the display of two simple functions and the combination of operation keyboard to replace above-mentioned interface touch-screen, display all is connected with central processing unit with operation keyboard, can reach identical purpose equally.
In case of necessity, can on central processing unit, connect printer, experimental data is printed.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. the control circuit of a test system of arm for automatically regulating clearance of brake of automobile, it is characterized in that, described control circuit comprises the data input/output module, central processing unit, power supply and the sensor assembly that is used for data acquisition, input/output module, sensor assembly all is connected with central processing unit, above-mentioned control circuit also comprises the wheel hub drive motor and the driving air chamber that drives the work of adjustment arm that are used to control the work of simulating brake mechanism that is connected with central processing unit, central processing unit control wheel hub drive motor and the work of adjustment arm driving air chamber automatically, power supply is to the The whole control circuit supply, sensor assembly detects the data transmission that obtains and gives central processing unit, show central processing unit output control signal control wheel hub drive motor and the work of driving air chamber again by input/output module.
2. the control circuit of test system of arm for automatically regulating clearance of brake of automobile according to claim 1, it is characterized in that, described sensor assembly comprises torsion torque sensor, detects the gap sensor of spacing between shoe brake and the wheel hub and the displacement transducer of detection shoe brake wear extent, described torsion torque sensor is used to detect the output torque of adjusting arm, all is serially connected with A/D converter between each above-mentioned sensor and the central processing unit.
3. the control circuit of test system of arm for automatically regulating clearance of brake of automobile according to claim 1 and 2 is characterized in that, described data input/output module is an interface touch-screen that is connected with central processing unit.
4. the control circuit of test system of arm for automatically regulating clearance of brake of automobile according to claim 1 and 2, it is characterized in that, described data input/output module comprises display and operation keyboard, and described display all is connected with central processing unit with operation keyboard.
5. the control circuit of test system of arm for automatically regulating clearance of brake of automobile according to claim 1 and 2 is characterized in that, is connected with printer on the described central processing unit.
6. the control circuit of test system of arm for automatically regulating clearance of brake of automobile according to claim 1 and 2 is characterized in that, also is connected with alarm on the described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101214017A CN101387875B (en) | 2008-09-27 | 2008-09-27 | Control circuit for test system of arm for automatically regulating clearance of brake of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101214017A CN101387875B (en) | 2008-09-27 | 2008-09-27 | Control circuit for test system of arm for automatically regulating clearance of brake of automobile |
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| Publication Number | Publication Date |
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| CN101387875A CN101387875A (en) | 2009-03-18 |
| CN101387875B true CN101387875B (en) | 2011-03-16 |
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| CN2008101214017A Expired - Fee Related CN101387875B (en) | 2008-09-27 | 2008-09-27 | Control circuit for test system of arm for automatically regulating clearance of brake of automobile |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115600B (en) * | 2013-01-29 | 2016-02-17 | 中国计量学院 | A kind of arm for adjusting automobile brake clearance automatically free clearance proving installation |
| CN103277439B (en) * | 2013-06-04 | 2015-11-18 | 中国计量学院 | A kind of abatement detecting method of automatic braking-gap regulation arm overrunning clutch |
| CN107826088B (en) * | 2017-11-06 | 2020-01-03 | 中国人民解放军空军勤务学院 | Brake pad gap adjusting device for brake hub of electric automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289598Y (en) * | 2008-09-27 | 2009-08-12 | 黄美华 | Control circuit for test system of automobile brake clearance automatic adjustment arm |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289598Y (en) * | 2008-09-27 | 2009-08-12 | 黄美华 | Control circuit for test system of automobile brake clearance automatic adjustment arm |
Non-Patent Citations (1)
| Title |
|---|
| 沈军民.汽车自动间隙调整臂测试系统设计.机床与液压.2006,(200610),159-160. * |
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| CN101387875A (en) | 2009-03-18 |
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Assignee: Zhejiang Austrian Machinery Manufacturing Co., Ltd. Assignor: Huang Meihua Contract record no.: 2012330000390 Denomination of invention: Control circuit for test system of arm for automatically regulating clearance of brake of automobile Granted publication date: 20110316 License type: Exclusive License Open date: 20090318 Record date: 20120618 |
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Effective date of registration: 20180412 Address after: 317600 Yuhuan city of Zhejiang Auto Motorcycle Industrial Park Patentee after: Zhejiang Olympic machinery Limited by Share Ltd Address before: 317600 Zhejiang Yuhuan County Yuhuan automobile and motorcycle industrial zone Zhejiang Austrian Machinery Manufacturing Co., Ltd. Patentee before: Huang Meihua |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhejiang Austrian Machinery Manufacturing Co., Ltd. Assignor: Huang Meihua Contract record no.: 2012330000390 Date of cancellation: 20200318 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20200927 |