CN102393295A - Testing device of braker - Google Patents
Testing device of braker Download PDFInfo
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- CN102393295A CN102393295A CN2011102648509A CN201110264850A CN102393295A CN 102393295 A CN102393295 A CN 102393295A CN 2011102648509 A CN2011102648509 A CN 2011102648509A CN 201110264850 A CN201110264850 A CN 201110264850A CN 102393295 A CN102393295 A CN 102393295A
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- detent
- proving installation
- piston
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Abstract
The invention provides a testing device of a braker and belongs to the technical field of electron, and the testing device can be used for solving the problems of low testing efficiency and large working strength for testing staff of an existing engine braker. The testing device of the braker comprises a power supply, a central processor connected with the power supply, a detector, a display and a control panel, wherein the detector, the display and the control panel are connected with the central processor; the detector is a photoelectric sensor which is arranged at a piston of the braker and used for detecting the working condition of the piston; and the output end of the central processor is also connected with an electromagnetic valve arranged in an oil transmission path of the braker through a control circuit and can be used for controlling the open and closure of the electromagnetic valve. The testing device of the brake has the advantages of reduced working strength for operating personnel, enhanced testing accuracy and various testing modes.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of proving installation, relate in particular to a kind of proving installation that the reliability of detent is tested of being used for.
Background technology
Along with the continuous development of automobile industry, the performance of existing automobile and gross mass also constantly increase, and the power that is mainly reflected in automobile is increasing more and more faster with the speed of a motor vehicle.Relatively, cause the slowing down power(SDP) of vehicle self to reduce after the power of vehicle and the speed of a motor vehicle improve, therefore, it is particularly important that the safety the when reliability of the braking capacity of motor car engine detent is driven to the car owner seems.Reliability and security for the engine brake that guarantees to produce needs carry out careful detection to it after the engine brake manufacturing is accomplished.
At present, each manufacturer is basically all detected through manual work the detection mode of engine brake.And when detecting through this detection mode; Once test only can detect a product; Lower and the tester of testing efficiency repeats to occur when single scissors and paste causes testing because of mental fatigue easily mistakes and omissions for a long time, and then the person and the property safety that product is sold the back car owner threatened.Therefore, a kind of tester's working strength that can reduce significantly of design is very necessary with the proving installation that increases test accuracy.
Summary of the invention
The objective of the invention is the problems referred to above, proposed a kind of proving installation that can accurately detect the detent reliability and give the detent of operating personnel's prompting directly perceived to the prior art existence.
The object of the invention can be realized through following technical proposal:
A kind of proving installation of detent; It is characterized in that; Described proving installation comprise power supply, with the joining central processing unit of power supply and all with the joining detecting device of this central processing unit, display and control panel; The piston place that described detecting device is arranged at detent is used to detect the working condition of piston, and the output terminal of described central processing unit also links through a control circuit and solenoid valve in the conveying oil circuit that is arranged at detent and open and close that can control electromagnetic valve.
Before using the proving installation of this detent to test, needing earlier being used to control oil pump in the detent is that the piston fuel feeding whether solenoid valve of detent is connected to the control circuit place, and detecting device is arranged at the relevant position on the brake plunger.After the energized, operating personnel can be provided with solenoid valve through control panel and open and the duration of closing, and at this moment, control circuit is driven by central processing unit and process that control electromagnetic valve repeats to open and close.Detecting device then begin to detect detent piston working condition and this situation is sent to central processing unit; Show by sending to display after the central processing unit processing; Giving operating personnel points out intuitively; Operating personnel only need to have a look display at special time can understand test process and result, and working strength is little.
In the proving installation of above-mentioned a kind of detent, also be connected with a counting module on the described central processing unit, described detecting device is used to detect the number of times of pistons work.The proving installation of this detent mainly the piston through the test detent compress within a certain period of time with the number of times that stretches whether the mode in acceptability limit judge the reliability that detent works long hours; If pistons work number of times deficiency then show that this detent goes wrong; Reliability is low, carries out detailed inspection again.
In the proving installation of above-mentioned a kind of detent, described detecting device be arranged at brake plunger stretch out brake casing one end the outside near switch, and when this piston motion its outer end can be with inconsistent near switch when the outermost.Near switch only the piston operate as normal and be stretched over range and its outer end with inconsistent near switch or very near the time just can obtain pistons work once signal and send to central processing unit.
In the proving installation of above-mentioned a kind of detent, described detecting device is the photoelectric sensor that is arranged at piston outer end one side.Send pistons work signal once when photoelectric sensor can move to certain position in the outer end that detects piston equally and give central processing unit.
In the proving installation of above-mentioned a kind of detent, described photoelectric sensor comprises photoemitter and the photelectric receiver that is oppositely arranged.The piston operate as normal and when being stretched over range its outer end can reach in the middle of photoemitter and the photelectric receiver, block information transmission between the two.
In the proving installation of above-mentioned a kind of detent, also be connected with on the described control panel button and automatic button are set, the described button that is provided with is used for being provided with the solenoid valve unlatching and the time of cutting out and the T.T. of test that detent is carried oil circuit.Before testing automatically, operating personnel can press automatic button again through duration and the required T.T. of whole test that button is provided with the open and close of solenoid valve in the single cycle is set, and this proving installation promptly begins to test automatically.
In the proving installation of above-mentioned a kind of detent, also be connected with a manual button on the described control panel.Hand push button then is used for the manual test detent, press hand push button after, solenoid valve is opened the state that also is held open; When pressing once more, closed electromagnetic valve.
In the proving installation of above-mentioned a kind of detent, also be connected with a storer on the described central processing unit.The result that central processing unit will be tested is saved in the storer, so that operating personnel repeat to check the result.
Compared with prior art, the proving installation of this detent has the following advantages:
1, the proving installation of this detent is judged the reliability of detent according to the detected piston of the detecting device work number of times within a certain period of time that is arranged at the brake plunger outside and can be shown intuitively to user one through display, greatly reduces the mental fatigue of operating personnel when working.
2, whole test process can be accomplished automatically, has reduced operating personnel's working strength, and outside automatic mode, also is provided with dynamic model formula on the other hand, can make operating personnel select different test patterns according to different situations, and practicality is better.
Description of drawings
Fig. 1 is the theory structure block diagram of the proving installation of this detent.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As shown in Figure 1, the proving installation of this detent comprise power supply, with the joining central processing unit of power supply and all with the joining counting module of central processing unit, control panel, display and storer.The input end of central processing unit also be connected with one be used to detect the piston of detent the detecting device of working condition, its output terminal is attached to be used to control oil pump feed whether solenoid valve place in the detent through a control circuit.In the present embodiment, detecting device is near switch; Central processing unit is partly selected Programmable Logic Controller PLC for use, and this Programmable Logic Controller PLC is integrated power supply, central processing unit, counting module and storer is as long as write all functions that corresponding program can be accomplished above assembly; Simultaneously, control panel and display are then selected touch-screen for use, make operation more directly perceived with demonstration.
Before the proving installation that uses this detent is tested the reliability of detent; Need earlier the solenoid valve in the detent to be connected to the control circuit place; Simultaneously will near switch be arranged at piston outer end in the detent the outside and when piston extension when the range, its outer end can be with inconsistent near switch.Here, solenoid valve is connected between the cylinder of oil pump and detent through pipeline, is used to control the break-make of oil circuit between oil pump to the detent cylinder.
After energized, operating personnel can set test parameter through action button virtual on the touch-screen, as solenoid valve is set opens the time lasting respectively with closing institute and the T.T. of whole test process through the button that is provided with on the touch-screen.When needs are tested automatically; After the parameter setting finishes; Press the automatic button on the touch-screen, at this moment, the action that the parameter that the central processing unit among the Programmable Logic Controller PLC is set according to operating personnel repeats to open and close through the control circuit control electromagnetic valve is until reaching the testing total time.
When solenoid valve begins the control of controlled circuit and when opening, the oil circuit conducting, in running order oil pump is transported to the cylinder place of detent with fluid, and the piston in the cylinder receives oil liquid pressure to begin outside motion.At this moment; The outer end of piston gradually near switch near; When the piston operate as normal and when being stretched over range, its outer end then will detect piston motion to the information near the switch place near switch and send to the central processing unit place with inconsistent or very approaching near switch.
When closed electromagnetic valve, oil circuit breaks off, and piston receives the restoring force effect and is returned to initial position again, and its outer end is away near switch, near the detected blackout of switch.At this moment, central processing unit control counting module counting, and the counting situation is sent to the touch-screen place show that, touch-screen both can carry out numeral demonstration, also can carry out graphic presentation here.And be worn, break down or during seal failure, the work of piston then can stop or the range of its stretching, extension can't arrive the position that can detect near switch when the parts in the detent (like solenoid valve or piston), then counting module is not counted.Therefore, the information that touch-screen was shown after operating personnel finished according to detection can learn whether the reliability of detent to be tested reaches standard.
When needs manually detect, press the hand push button on the touch-screen, then state is opened and be held open to solenoid valve; When operating personnel press hand push button once more, closed electromagnetic valve.Manual mode is fit to the situation that operating personnel carry out sample testing or test again according to the result who tests automatically.
In addition; Photoemitter and photelectric receiver that detecting device in the proving installation of this detent also is oppositely arranged, and can reach between photoemitter and the photelectric receiver and block information transmission between the two in its outer end during to range when piston extension.And in order to improve testing efficiency, the IO interface of Programmable Logic Controller PLC also can connect a plurality of solenoid valves and detecting device in the proving installation of this detent, is used for once testing many group detents.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present 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 (8)
1. the proving installation of a detent; It is characterized in that; Described proving installation comprise power supply, with the joining central processing unit of power supply and all with the joining detecting device of this central processing unit, display and control panel; The piston place that described detecting device is arranged at detent is used to detect the working condition of piston, and the output terminal of described central processing unit also links through a control circuit and solenoid valve in the conveying oil circuit that is arranged at detent and open and close that can control electromagnetic valve.
2. in the proving installation of detent according to claim 1, it is characterized in that also be connected with a counting module on the described central processing unit, described detecting device is used to detect the number of times of pistons work.
3. in the proving installation of detent according to claim 1 and 2; It is characterized in that; Described detecting device be arranged at brake plunger stretch out brake casing one end the outside near switch, and when this piston motion its outer end can be with inconsistent near switch when the outermost.
4. in the proving installation of detent according to claim 1 and 2, it is characterized in that described detecting device is the photoelectric sensor that is arranged at piston outer end one side.
5. in the proving installation of detent according to claim 4, it is characterized in that described photoelectric sensor comprises photoemitter and the photelectric receiver that is oppositely arranged.
6. in the proving installation of detent according to claim 1 and 2; It is characterized in that; Also be connected with on the described control panel button and automatic button are set, the described button that is provided with is used for being provided with the solenoid valve unlatching and the time of cutting out and the T.T. of test that detent is carried oil circuit.
7. in the proving installation of detent according to claim 6, it is characterized in that, also be connected with a manual button on the described control panel.
8. in the proving installation of detent according to claim 1 and 2, it is characterized in that, also be connected with a storer on the described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102648509A CN102393295A (en) | 2011-09-08 | 2011-09-08 | Testing device of braker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102648509A CN102393295A (en) | 2011-09-08 | 2011-09-08 | Testing device of braker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102393295A true CN102393295A (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102648509A Pending CN102393295A (en) | 2011-09-08 | 2011-09-08 | Testing device of braker |
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| CN (1) | CN102393295A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983436A (en) * | 2013-02-07 | 2014-08-13 | 重庆长安汽车股份有限公司 | Brake friction, heating and vibration coupling test table |
| CN104267358A (en) * | 2014-10-09 | 2015-01-07 | 崧顺电子（深圳）有限公司 | Automatic testing equipment for power supply |
| CN107589818A (en) * | 2017-09-13 | 2018-01-16 | 上海摩软通讯技术有限公司 | The self-starting test system and its method of testing of mobile terminal |
| CN113720521A (en) * | 2021-09-16 | 2021-11-30 | 交通运输部公路科学研究所 | Brake testing method based on piezoelectric effect |
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| US4930355A (en) * | 1988-01-28 | 1990-06-05 | Roboflex Ltd. | Hydraulic drive apparatus and method for instrumented penetration and tensile-impact testing |
| CN1102253A (en) * | 1993-10-23 | 1995-05-03 | 履带拖拉机股份有限公司 | Linear position sensor with equalizing means |
| CN2529241Y (en) * | 2001-08-30 | 2003-01-01 | 金宝电子工业股份有限公司 | Device for investigating service life of expansion device capable of setting push-and-pull force |
| CN201096575Y (en) * | 2007-07-24 | 2008-08-06 | 比亚迪股份有限公司 | Durability test device for vacuum booster with master cylinder assembly |
| WO2009054770A1 (en) * | 2007-10-22 | 2009-04-30 | Volvo Lastvagnar Ab | Engine brake detection |
| CN101813563A (en) * | 2009-12-15 | 2010-08-25 | 吉林大学 | Engine piston position and phase position full operation condition measurement system and method |
| CN201611302U (en) * | 2009-11-18 | 2010-10-20 | 邵阳市通达汽车零部件制造有限公司 | Test equipment of dust dynamic circulation of vehicle gas spring |
| CN202274991U (en) * | 2011-09-08 | 2012-06-13 | 浙江九隆机械有限公司 | Test device for brake |
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2011
- 2011-09-08 CN CN2011102648509A patent/CN102393295A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4930355A (en) * | 1988-01-28 | 1990-06-05 | Roboflex Ltd. | Hydraulic drive apparatus and method for instrumented penetration and tensile-impact testing |
| CN1102253A (en) * | 1993-10-23 | 1995-05-03 | 履带拖拉机股份有限公司 | Linear position sensor with equalizing means |
| CN2529241Y (en) * | 2001-08-30 | 2003-01-01 | 金宝电子工业股份有限公司 | Device for investigating service life of expansion device capable of setting push-and-pull force |
| CN201096575Y (en) * | 2007-07-24 | 2008-08-06 | 比亚迪股份有限公司 | Durability test device for vacuum booster with master cylinder assembly |
| WO2009054770A1 (en) * | 2007-10-22 | 2009-04-30 | Volvo Lastvagnar Ab | Engine brake detection |
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| CN202274991U (en) * | 2011-09-08 | 2012-06-13 | 浙江九隆机械有限公司 | Test device for brake |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983436A (en) * | 2013-02-07 | 2014-08-13 | 重庆长安汽车股份有限公司 | Brake friction, heating and vibration coupling test table |
| CN103983436B (en) * | 2013-02-07 | 2016-07-06 | 重庆长安汽车股份有限公司 | A kind of brake friction, heating, vibration coupling testing stand |
| CN104267358A (en) * | 2014-10-09 | 2015-01-07 | 崧顺电子（深圳）有限公司 | Automatic testing equipment for power supply |
| CN104267358B (en) * | 2014-10-09 | 2017-07-07 | 湖南崧顺科技有限公司 | Power supply automatic detecting equipment |
| CN107589818A (en) * | 2017-09-13 | 2018-01-16 | 上海摩软通讯技术有限公司 | The self-starting test system and its method of testing of mobile terminal |
| CN113720521A (en) * | 2021-09-16 | 2021-11-30 | 交通运输部公路科学研究所 | Brake testing method based on piezoelectric effect |
| CN113720521B (en) * | 2021-09-16 | 2023-11-17 | 交通运输部公路科学研究所 | Brake testing method based on piezoelectric effect |
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Application publication date: 20120328 |