CN101788388A - Automobile wiper water spray switch endurance test device - Google Patents
Automobile wiper water spray switch endurance test device Download PDFInfo
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- CN101788388A CN101788388A CN 201010136502 CN201010136502A CN101788388A CN 101788388 A CN101788388 A CN 101788388A CN 201010136502 CN201010136502 CN 201010136502 CN 201010136502 A CN201010136502 A CN 201010136502A CN 101788388 A CN101788388 A CN 101788388A
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- water spray
- switch
- time relay
- cylinder
- wiper water
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Abstract
The invention discloses an automobile wiper water spray switch endurance test device, which comprises an air switch, a time relay, an oil-water separator, an electromagnetic valve, a cylinder, an AC contactor, a counter and the like; the power-on and power-off time of the electromagnetic valve is controlled by setting the cycling time of the time relay so as to reach the turn-around time for controlling the cylinder, so that the power-on and power-off time of the wiper water spray switch is controlled; and the power-on and power-off time of a magnet coil of the AD contactor is controlled by setting the cycling time of the time relay so as to control the storedcount of the counter, so that the automobile wiper water spray switch endurance test can be carried out. The invention can carry out the automobile wiper water switch endurance test under the working condition of the automobile wiper water spray switch, can accurately test the reliability of the automobile wiper water spray switch, and is suitable for the automobiles with automobile combined switches.
Description
Technical field
The invention belongs to car electrics test unit technical field, be specifically related to a kind of automobile wiper water spray switch endurance test device.
Background technology
The wiper control that automobile is used is as automobile electric switch commonly used, the user uses very frequent, therefore extremely important for the detection of this switch endurance energy, and at present to the automobile wiper water spray switch endurance test all by manually carrying out, not only required great effort but also can not accurately examine the reliability of automobile wiper water spray switch.Therefore, very meaningful for the research and development of the automatic automobile wiper water spray switch endurance test method of research.
Summary of the invention
For overcoming the above-mentioned problems in the prior art, the invention provides a kind of automobile wiper water spray switch endurance test device, the control method of this device is by time relay control electromagnetic valve, the solenoid control cylinder, the action of cylinder Control of Automobile wiper water spray switch, thus realize automobile wiper water spray switch endurance test control automatically.
The present invention is specifically by the following technical solutions:
A kind of automobile wiper water spray switch endurance test device, this test unit comprise air switch, the time relay, oil-water separator, solenoid valve, cylinder, A.C. contactor sum counter; It is characterized by:
A kind of automobile wiper water spray switch endurance test device, this test unit comprises air switch, the time relay, oil-water separator, solenoid valve, cylinder, A.C. contactor, counter, anchor clamps; It is characterized by:
The input termination AC power of described air switch, the power output end two ends of this air switch are connected to the two ends of time relay solenoid;
The described time relay is a cycle time relay, a pair of normally opened contact and a pair of normally closed contact are arranged, wherein the input contact pin of normally opened contact input contact pin and normally closed contact all is connected to the line end mutually of described air switch power output end, the output contact pin of described normally opened contact is connected to an end of described A.C. contactor solenoid, the output contact pin of described normally closed contact is connected to an end of described solenoid valve solenoid, and the other end of the other end of described A.C. contactor solenoid and described solenoid valve solenoid is connected to the zero line side of described air switch power output end;
Two counting ends of the two ends sum counter of a pair of normally opened contact of described A.C. contactor are electrically connected;
Described oil-water separator is used to adjust the pressure of cylinder, and the inlet end of oil-water separator links to each other with the high-pressure air pipe switch of tracheae and test site, and the oil-water separator outlet side links to each other with the solenoid valve inlet end with tracheae;
Described solenoid valve is used to control the commutation of cylinder, and two outlet sides of solenoid valve link to each other with two inlet ends of cylinder with tracheae;
With anchor clamps the wiper control operating grip on described cylinder and the automobile combined switch is fixed, described cylinder is used to control the action of wiper water spray switch operating grip, thus the power on/off of control wiper water spray switch.
Effect of the present invention: adopt the automobile wiper water spray switch endurance test device of being invented under automobile wiper water spray switch is in running order, to carry out endurancing to wiper water spray switch, energy is the unfailing performance of testing automobile wiper water spray switch accurately, and the present invention is applicable to the automobile that automobile combined switch is housed.
The present invention is simple in structure, easy to manufacture, Operation and maintenance convenient.
Description of drawings
Fig. 1 is an automobile wiper water spray switch endurance test device structural drawing of the present invention; Among the figure, anchor clamps 1, cylinder 2, oil-water separator 3, the time relay 4, A.C. contactor 5, air switch 6, counter 7, solenoid valve 8, automobile combined switch 9, wiper control operating grip 10, connect high-pressure air pipe 11, connect 220V AC power 12, tracheae 13.
Embodiment
Below, in conjunction with the accompanying drawings the present invention is described in further detail;
Fig. 1 is the automobile wiper water spray switch endurance test device structural drawing, in Fig. 1, the automobile wiper water spray switch endurance test device structure is made up of elements such as anchor clamps 1, cylinder 2, oil-water separator 3, the time relay 4, A.C. contactor 5, air switch 6, counter 7 and solenoid valves 8.
With tracheae 13 2 two in cylinder is connect the gas end and link to each other, the output gas end of the input gas end of solenoid valve 8 and oil-water separator 3 is linked to each other with tracheae 13 with two output gas ends of solenoid valve 8.The power output end of air switch 6 (AC power phase line and ground terminal) is electrically connected with the time relay 4 solenoid two ends, the time relay 4 is the circulation time delay relay, a pair of normally opened contact and a pair of normally closed contact are arranged, a contact pin of the time relay 4 normally closed contacts is electrically connected with an end of solenoid valve 8 solenoids, the other end of solenoid valve 8 solenoids is electrically connected with air switch 6 power ground output terminals, a contact pin of the time relay 4 normally opened contacts is electrically connected with A.C. contactor 5 solenoids one end, the A.C. contactor 5 solenoid other ends are electrically connected with air switch 6 power ground output terminals, and two counting ends of a pair of normally opened contact sum counter 7 of A.C. contactor 5 are electrically connected.
Before the test, cylinder 2 and automobile combined switch 9 usefulness anchor clamps (not shown)s are fixed, according to automobile circuit figure accumulator, wiper water spray motor and wiper water spray switch are electrically connected, with anchor clamps 1 the wiper control operating grip 10 on cylinder 2 and the combined switch 9 is fixed, the action that guarantees cylinder 2 control wiper control operating grips 10 makes wiper control be in the position of OFF and ON, the attaching plug of air switch 6 is inserted in the 220V AC Power supply socket of test site, oil-water separator 3 inlet ends are linked to each other with high pressure gas switch interface in the test site with tracheae.
During test, pull test site high pressure gas switch ventilation, press plug-in strip energising beginning test of air switch 6.
Be set to 1S and 1S the cycling time of the time relay 4, during the energising of the time relay 4 solenoids, the normally closed contact of the time relay 4 is closed 1S (normally opened contact disconnects 1S) earlier, the normally closed contact that is recycled to the time relay 4 then disconnects 1S (the closed 1S of normally opened contact), and the principle of work of durability test device of the present invention is as follows:
1, wiper water spray switch is in the control of the position of ON
The closed 1S of the normally closed contact of the time relay 4 → → spool in the solenoid energising 1S → solenoid valve 8 of solenoid valve 8 the effect of electromagnetic force move down move promote piston rod in the cylinder 2 by solenoid valve 8 → gases at high pressure by oil-water separator 3 → gases at high pressure to → gases at high pressure and stretch out → piston rod promotion wiper water spray operating grip 10 in the cylinder 2 makes wiper water spray switch be in position → connection wiper water spray electrical power 1S of ON → make wiper water spray 1S;
2, the wiper water spray switch return is in the control of the position of OFF
The time relay 4 is recycled to the return → gases at high pressure that commutate under the effect of the spool return spring in valve in the solenoid outage 1S → magnetic valve 8 of normally-closed contact outage 1S → magnetic valve 8 of next 1S → time relay 4 and promotes piston rod promotion wiper water spray operating grip 10 returns in piston rod return → cylinder 2 in the cylinder 2 by oil water separator 3 → gases at high pressure by magnetic valve 8 → gases at high pressure and make wiper water spray switch be in cut off the power supply 1S → make wiper stop the 1S that sprays water of the position of OFF → wiper water spray motor.
According to wiper water spray switch ON-OFF circulation among the QCT218-1996 " automobile with combined switch technical conditions on the steering column " for once, carry out the requirement of 50000 endurancings, automobile wiper water spray switch endurance test device is that a round-robin process constantly circulates according to above-mentioned 1,2 ON-OFF.
3, the control of rolling counters forward
When the every closure of the normally opened contact of time relay 4 once → energising of the solenoid of A.C. contactor 5 once → the normally opened contact closure of A.C. contactor 5 once → counter 7 countings once, endurancing constantly circulates, counter 7 continuous stored counts, after counter 7 stored counts 50000 times, turn-off experiment power supply and source of the gas, finish endurancing.
Claims (3)
1. automobile wiper water spray switch endurance test device, this test unit comprises air switch, the time relay, oil-water separator, solenoid valve, cylinder, A.C. contactor, counter, anchor clamps; It is characterized by:
The input termination AC power of described air switch, the power output end two ends of this air switch are connected to the two ends of time relay solenoid;
The described time relay is a cycle time relay, a pair of normally opened contact and a pair of normally closed contact are arranged, wherein the input contact pin of normally opened contact input contact pin and normally closed contact all is connected to the line end mutually of described air switch power output end, the output contact pin of described normally opened contact is connected to an end of described A.C. contactor solenoid, the output contact pin of described normally closed contact is connected to an end of described solenoid valve solenoid, and the other end of the other end of described A.C. contactor solenoid and described solenoid valve solenoid is connected to the zero line side of described air switch power output end;
Two counting ends of the two ends sum counter of a pair of normally opened contact of described A.C. contactor are electrically connected;
Described oil-water separator is used to adjust the pressure of cylinder, and the inlet end of oil-water separator links to each other with the high-pressure air pipe switch of tracheae and test site, and the oil-water separator outlet side links to each other with the solenoid valve inlet end with tracheae;
Described solenoid valve is used to control the commutation of cylinder, and two outlet sides of solenoid valve link to each other with two inlet ends of cylinder with tracheae;
With anchor clamps the wiper control operating grip on described cylinder and the automobile combined switch is fixed, described cylinder is used to control the action of wiper water spray switch operating grip, thus the power on/off of control wiper water spray switch.
2. automobile wiper water spray switch endurance test device according to claim 1 is characterized in that:
Be set to 1S and 1S the cycling time of the described time relay, when promptly the time electromagnetic coil relay was switched on, the normally closed contact of the time relay 4 is closed 1S earlier, and the normally closed contact that is recycled to the time relay 4 then disconnects 1S.
3. automobile wiper water spray switch endurance test device according to claim 1 and 2 is characterized in that:
After described counter stored count 50000 times, turn-off experiment power supply and source of the gas, finish endurancing.
Priority Applications (1)
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CN2010101365029A CN101788388B (en) | 2010-03-30 | 2010-03-30 | Automobile wiper water spray switch endurance test device |
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CN2010101365029A CN101788388B (en) | 2010-03-30 | 2010-03-30 | Automobile wiper water spray switch endurance test device |
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CN101788388A true CN101788388A (en) | 2010-07-28 |
CN101788388B CN101788388B (en) | 2012-05-23 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102004171A (en) * | 2010-11-16 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
CN102435940A (en) * | 2011-09-06 | 2012-05-02 | 上海华碧检测技术有限公司 | Device for testing on-off of luminous body |
CN104569797A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Life detection system and life detection method of contact switch |
CN107703390A (en) * | 2017-09-29 | 2018-02-16 | 佛山市顺德区美的电子科技有限公司 | Test fixture |
CN114018558A (en) * | 2021-11-05 | 2022-02-08 | 湖南联诚轨道装备有限公司 | Durability test control device for rail transit vehicle window wiper |
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CN2516959Y (en) * | 2001-11-30 | 2002-10-16 | 合肥安达数控技术有限责任公司 | Working table for testing durability of combined switch |
CN201016869Y (en) * | 2006-11-29 | 2008-02-06 | 徐工集团工程机械有限公司试验研究中心 | Machine-shop car operating cab electric wiper test apparatus |
CN101398345A (en) * | 2008-10-09 | 2009-04-01 | 重庆长安汽车股份有限公司 | Control system of durability test device for automobile window glass water scraper |
FR2923784A1 (en) * | 2007-11-21 | 2009-05-22 | Bosch Gmbh Robert | Windscreen wiper device, has protector cap with support surface supported by seat that is pressed on notch less segment, where seat is selected such that minimal sliding force of cap is greater than maximal force acting on shaft |
CN101551299A (en) * | 2009-04-30 | 2009-10-07 | 重庆长安汽车股份有限公司 | Durability test device of vehicle windowpane electric water scraper |
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2010
- 2010-03-30 CN CN2010101365029A patent/CN101788388B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2516959Y (en) * | 2001-11-30 | 2002-10-16 | 合肥安达数控技术有限责任公司 | Working table for testing durability of combined switch |
CN201016869Y (en) * | 2006-11-29 | 2008-02-06 | 徐工集团工程机械有限公司试验研究中心 | Machine-shop car operating cab electric wiper test apparatus |
FR2923784A1 (en) * | 2007-11-21 | 2009-05-22 | Bosch Gmbh Robert | Windscreen wiper device, has protector cap with support surface supported by seat that is pressed on notch less segment, where seat is selected such that minimal sliding force of cap is greater than maximal force acting on shaft |
CN101398345A (en) * | 2008-10-09 | 2009-04-01 | 重庆长安汽车股份有限公司 | Control system of durability test device for automobile window glass water scraper |
CN101551299A (en) * | 2009-04-30 | 2009-10-07 | 重庆长安汽车股份有限公司 | Durability test device of vehicle windowpane electric water scraper |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102004171A (en) * | 2010-11-16 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
CN102004171B (en) * | 2010-11-16 | 2012-10-10 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
CN102435940A (en) * | 2011-09-06 | 2012-05-02 | 上海华碧检测技术有限公司 | Device for testing on-off of luminous body |
CN104569797A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Life detection system and life detection method of contact switch |
CN107703390A (en) * | 2017-09-29 | 2018-02-16 | 佛山市顺德区美的电子科技有限公司 | Test fixture |
CN114018558A (en) * | 2021-11-05 | 2022-02-08 | 湖南联诚轨道装备有限公司 | Durability test control device for rail transit vehicle window wiper |
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