CN201392279Y - Durability test device of electric wiper of automobile windscreen - Google Patents
Durability test device of electric wiper of automobile windscreen Download PDFInfo
- Publication number
- CN201392279Y CN201392279Y CN200920127188U CN200920127188U CN201392279Y CN 201392279 Y CN201392279 Y CN 201392279Y CN 200920127188 U CN200920127188 U CN 200920127188U CN 200920127188 U CN200920127188 U CN 200920127188U CN 201392279 Y CN201392279 Y CN 201392279Y
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- CN
- China
- Prior art keywords
- wiper
- contactor
- wiper motor
- power supply
- wire harness
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a durability test device of electric wiper of automobile windscreen, which comprises an air switch (2), a direct current voltage stabilizing power supply (3), an alternating current contactor (4), a counter (5) and a wire harness connector (6), wherein the counter is accumulated to count through the circulated closing of two automatically-restoring contacts of a wiper motor, and the function of an electric wiper assembly itself of the automobile windscreen is fully utilized. The durability test device reaches totalized counts of durability tests, can be used to test the durability of electric wipers of automobile windscreens of novel vehicles which are developed and have been developed, and tests the reliability of the electric wipers of designed automobile windscreens.
Description
Technical field
The utility model relates to the test unit of automotive electrical system, is specifically related to a kind of M1 class vehicle windowpane electric water scraper be carried out durability test device.
Background technology
Existing vehicle windowpane electric water scraper assembly endurance test bed utilizes the rotating speed of wiper motor and the time of endurancing to calculate the permanance number of times, and is promptly inaccurate also inconvenient.
Now endurancing mainly is that rotating speed that switching by gauge tap changes wiper motor carries out the high speed of wiper and low speed endurancing to the vehicle windowpane electric water scraper assembly endurance test bed that uses to the electric wiper assembly, but the number of times of endurancing is the number of times by the per minute wiper multiply by that the endurancing time calculates (according to the requirement of QC/T 44-1997 " vehicle windowpane electric water scraper technical conditions " standard, the minimum wiper frequency of wiper should not be lower than 20 times/min, the highest wiper frequency should not be lower than 45 times/min), must the very important person monitor in the whole process of carrying out endurancing, otherwise counting is just inaccurate when breaking down, be accurately necessary very important person's observation on the scene of warranty test in process of the test, very inconvenient.
Summary of the invention
For overcoming the above problem that exists in the prior art, the utility model discloses a kind of vehicle windowpane electric water scraper assembly durability test device, specifically by the following technical solutions:
Durability test device of vehicle windowpane electric water scraper, this device comprises air switch 2, D.C. regulated power supply 3, A.C. contactor 4, counter 5, wire harness plug connector 6, the input end of described air switch 2 is connected to AC power, its output terminal is connected to the input end of D.C. regulated power supply 6, the output terminal of described air switch 2 also is connected to the two ends of described A.C. contactor 4 coils, the positive polarity output terminal of described D.C. regulated power supply 6 is connected to an end of the normally closed contact of the end of normally opened contact of described A.C. contactor 4 and described A.C. contactor 4 respectively, the other end of the normally closed contact of described A.C. contactor 4 links to each other with the armature coil low speed pin L of wiper motor in the described electric wiper by wire harness plug connector 6, the other end of the normally opened contact of described A.C. contactor 4 links to each other with the armature coil high speed pin G of wiper motor in the described electric wiper by wire harness plug connector 6, the negative polarity output terminal of described D.C. regulated power supply 6 links to each other with the armature coil earth terminal of described wiper motor by wire harness plug connector 6, two contact S of two input ends of described counter 5 and the self-return of wiper motor
1, S
2Be electrically connected, be used for the counting of vehicle windowpane electric water scraper action frequency.Vehicle windowpane electric water scraper is carried out 150 * 10
4Inferior endurancing wherein whenever carries out 25 * 10
4During inferior test, will control the normally opened contact of described A.C. contactor 4 and the open and-shut mode of normally closed contact changes once, thereby make the velocity of rotation of wiper motor in the electric wiper, promptly between the electronic high speed/low speed of wiper, change once, carry out endurancing of vehicle windowpane electric water scraper high speed and low speed endurancing in turn.
By the requirement of QC/T 44-1997 " vehicle windowpane electric water scraper technical conditions " standard, to carry out 150 * 10 to the vehicle windowpane electric water scraper assembly
4Inferior endurancing (high speed 75 * 10
4Inferior, low speed 75 * 10
4Inferior, the minimum wiper frequency of wiper should not be lower than 20 times/min, the highest wiper frequency should not be lower than 45 times/min) the vehicle windowpane electric water scraper assembly durability test device of invention will satisfy the requirement of QC/T 44-1997 " vehicle windowpane electric water scraper technical conditions " standard.
The beneficial effects of the utility model are: the vehicle windowpane electric water scraper assembly is being carried out 150 * 10
4Inferior endurancing can be examined the reliability of wiper motor, wiper floating rule, Wiper blade and scraping blade adhesive tape and whole windowpane electric water scraper assembly.Count convenient and reliablely, it is convenient to invent simple in structure, easy to manufacture, Operation and maintenance.
Description of drawings
Fig. 1 is a vehicle windowpane electric water scraper assembly durability test device structural representation of the present utility model;
Fig. 2 is a vehicle windowpane electric water scraper assembly durability test device structural drawing of the present utility model;
Fig. 3 is a vehicle windowpane electric water scraper assembly durability test device schematic diagram of the present utility model.
Embodiment
Below, in conjunction with the accompanying drawings and embodiment, vehicle windowpane electric water scraper assembly durability test device of the present utility model is described in further detail;
In Fig. 1, the vehicle windowpane electric water scraper assembly comprises wiper motor, wiper floating rule, Wiper blade and scraping blade adhesive tape.Link to each other with wire harness plug connector on the wiper motor with the wire harness plug connector of vehicle windowpane electric water scraper assembly durability test device of the present utility model, just can carry out endurancing.
Fig. 2 is a vehicle windowpane electric water scraper assembly durability test device structural drawing, in Fig. 2, vehicle windowpane electric water scraper assembly durability test device is made up of air switch attaching plug 1, air switch 2, D.C. regulated power supply 3, A.C. contactor 4, counter 5 and wire harness plug connector 6, is electrically connected between them.
Fig. 3 is a vehicle windowpane electric water scraper assembly durability test device schematic diagram, and its principle of work is:
In the utility model, adopt D.C. regulated power supply 3 to provide required D.C. regulated power supply for the running of wiper motor, carry out at a high speed and the conversion of low-speed running with 4 pairs of wiper motors of A.C. contactor, provide the AC power of 220V with air switch 2 for D.C. regulated power supply 3 and A.C. contactor 4, carry out the stored count of wiper action with counter 5.
In the schematic diagram of Fig. 3, air switch attaching plug 1 grafting 220V AC power, for air switch 2 provides 220V AC power, the A1 pin of air switch 2 (A1 is and the alternating current phase line) is electrically connected with the A1 pin of D.C. regulated power supply 3, the A1 pin of A.C. contactor 4 solenoids, and the A2 pin of air switch 2 (A2 is and the alternating current zero line) is electrically connected with the A2 pin of D.C. regulated power supply 3, the A2 pin of A.C. contactor 4 solenoids; Positive pole (+) pin of D.C. regulated power supply 3 connects a tip side of A.C. contactor 4 normally opened contacts and normally closed contact, be electrically connected with the armature winding high speed coil pin G of wiper motor by another tip side of wire harness plug connector 6 A.C. contactors 4 normally opened contacts that links to each other with wiper motor, another tip side of A.C. contactor 4 normally closed contacts is electrically connected with the armature winding low speed pin L of wiper motor, and the armature winding earth terminal of described wiper motor and the earth terminal of stabilized voltage supply are electrically connected.Continuous, another tip side of A.C. contactor 4 normally closed contacts links to each other with the low speed coil pin L of wiper motor, and negative pole (-) pin of D.C. regulated power supply 3 links to each other with the high speed of wiper motor and the earth terminal of low speed coil by the wire harness plug connector 6 that links to each other with wiper motor; By the wire harness plug connector 6 that links to each other with wiper motor, counter 5 is electrically connected with two contact S1, S2 of the self-return of wiper motor.
When carrying out 150 * 104 endurancings, wiper motor wire harness plug connector on the wire harness plug connector 6 of durability test device and the instruction carriage (wiper motor wire harness plug connector disconnects with wire harness plug connector on the car) is linked to each other, the attaching plug 1 of air switch 2 is inserted in the 220V AC Power supply socket, press the plug-in strip of air switch 2, press the DC power supply switch of D.C. regulated power supply 3, just can carry out the endurancing of vehicle windowpane electric water scraper assembly, in carrying out 150 * 104 endurancing processes, per No. 25 * 104 wipers will carry out height, the conversion of low speed, control procedure is as follows:
1, the control of low-speed running
Since normally closed contact of A.C. contactor 4 and wiper motor low speed pin L link to each other, when the power switch of pressing D.C. regulated power supply 3, the positive pole (+) of D.C. regulated power supply 3 is connected to the low speed pin L of wiper motor through the normally closed contact of A.C. contactor 4, make an end of wiper motor low speed coil be connected to the positive ends of D.C. regulated power supply, the other end ground connection of the low speed coil of wiper motor, and be connected to the negative polarity end of D.C. regulated power supply 3, wiper motor is slowly run, and the vehicle windowpane electric water scraper total performance begins 25 * 104 low speed endurancings.
2, the control that runs up
Slowly run after counter 5 stored counts 25 * 104 times at wiper motor, press the contact conversion keys of A.C. contactor 4 with hand, the normally closed contact of A.C. contactor 4 is disconnected, the normally opened contact closure of A.C. contactor 4, the positive pole (+) of D.C. regulated power supply 3 is connected to the high speed pin G of wiper motor through the normally opened contact of A.C. contactor 4, make an end of wiper motor high speed coil be connected to the positive ends of D.C. regulated power supply, the other end ground connection of the high speed coil of this wiper motor, and be connected to the negative polarity end of D.C. regulated power supply 3, make the wiper motor high-speed rotation, the vehicle windowpane electric water scraper assembly begins 25 * 104 high speed endurancings.
Wiper proceeds to the plug-in strip of disconnection air switch 2 after 150 * 104 times and the power switch of D.C. regulated power supply 3 through the conversion cycle test of per 25 * 104 high, low speeds up to endurancing, cuts off the AC and DC power supply, finishes test.
3, counting control
In the utility model, the self-aligning function of utilizing wiper motor itself to have is carried out the endurancing counting, before endurancing, two two contact S that count the self-return of binding post and wiper motor of counter 5
1, S
2Be electrically connected, the moving circle of wiper motor revolution, Wiper blade just scrapes a circulation on windshield, the self-return contact S on the wiper motor
1, S
2Closure once, counter 5 work counting once, in the endurancing process, counter 5 is by the self-return contact S on the wiper motor
1, S
2The closed pair test number (TN) carry out stored count.
Claims (1)
1, a kind of durability test device of vehicle windowpane electric water scraper, this device comprise air switch (2), D.C. regulated power supply (3), A.C. contactor (4), counter (5), wire harness plug connector (6), it is characterized in that:
The input end of described air switch (2) is connected to AC power, its output terminal is connected to the input end of D.C. regulated power supply (6), the output terminal of described air switch (2) also is connected to the two ends of described A.C. contactor (4) coil, the positive polarity output terminal of described D.C. regulated power supply (6) is connected to an end of the normally closed contact of the end of normally opened contact of described A.C. contactor (4) and described A.C. contactor (4) respectively, the other end of the normally closed contact of described A.C. contactor (4) links to each other with the armature winding low speed pin (L) of wiper motor in the described electric wiper by wire harness plug connector (6), the other end of the normally opened contact of described A.C. contactor (4) links to each other with the armature winding high speed pin (G) of wiper motor in the described electric wiper by wire harness plug connector (6), the negative polarity output terminal of described D.C. regulated power supply (6) links to each other with the armature winding earth terminal of described wiper motor by wire harness plug connector (6), two contact (S of two input ends of described counter (5) and the self-return of wiper motor
1, S
2) be electrically connected, be used for the counting of vehicle windowpane electric water scraper action frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920127188U CN201392279Y (en) | 2009-04-30 | 2009-04-30 | Durability test device of electric wiper of automobile windscreen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920127188U CN201392279Y (en) | 2009-04-30 | 2009-04-30 | Durability test device of electric wiper of automobile windscreen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392279Y true CN201392279Y (en) | 2010-01-27 |
Family
ID=41599100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920127188U Expired - Lifetime CN201392279Y (en) | 2009-04-30 | 2009-04-30 | Durability test device of electric wiper of automobile windscreen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392279Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551299B (en) * | 2009-04-30 | 2011-02-09 | 重庆长安汽车股份有限公司 | Durability test device of vehicle windowpane electric water scraper |
-
2009
- 2009-04-30 CN CN200920127188U patent/CN201392279Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551299B (en) * | 2009-04-30 | 2011-02-09 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090430 |