CN103401491A - Working principle for control circuit of electronic contact-less two-way rotary intelligent windscreen wiper motor - Google Patents
Working principle for control circuit of electronic contact-less two-way rotary intelligent windscreen wiper motor Download PDFInfo
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- CN103401491A CN103401491A CN2013103470593A CN201310347059A CN103401491A CN 103401491 A CN103401491 A CN 103401491A CN 2013103470593 A CN2013103470593 A CN 2013103470593A CN 201310347059 A CN201310347059 A CN 201310347059A CN 103401491 A CN103401491 A CN 103401491A
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- motor
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- windscreen wiper
- hall switch
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Abstract
The invention relates to a working principle for a control circuit of an electronic contact-less two-way rotary intelligent windscreen wiper motor. The electronic contact-less two-way rotary intelligent windscreen wiper motor adopting the working principle is invented on the basis of a mechanical point-contact motor which is internationally and domestically universal at present, and overcomes the detects of unwieldy structure, short service life, high failure rate, unstable quality, difficulty in mounting and the like which exist in the mechanical point-contact motor for a long time, generates no interference radiation during operation, and protects other electronic equipment in a vehicle from being impacted by the interference radiation. Particularly, a drive assembly structure is eliminated from a windscreen wiper assembly, so that the windscreen wiper assembly is simpler in structure and lower in use cost. The working principle fills in the international and domestic gap in the vehicle windscreen wiper industry.
Description
Technical field
The present invention relates to a kind of automobile wiper motor, especially a kind of electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle.
Background technology
The wiper of using on international and domestic automobile at present is all that mechanical contact-type forms a wiper motor electrical equipment control structure, its shortcoming is: 1, large, the input current of the change type volume of switch weight that forms of first's third gear position greatly, the use wearing and tearing that go round and begin again for a long time are large, the life-span is short, distortion is large, complex process error rate and failure rate is high, quality stability is poor, installation is difficult, and particularly rain brush is vacillated now to the left, now to the right and need to could be realized, cause the shortcomings such as cost macrostructure complexity by increase drive link assembly.2, the off-position that three contact pieces and off-position copper coin form control due to the long-term contact wear distortion that is rotated formula with the off-position copper coin of three contact pieces greatly, life-span is short, the complex process of bending, failure rate is high, quality is unstable, the shortcomings such as cost is large, and when moving, motor have the brush of three groups of speed-regulating functions to penetrate other electronic equipments of automobile with the contact piece of high speed operation of motor friction and three groups of positioning functions with the electronic jamming width that motor gear wheel operation friction produces, the wearing and tearing that particularly with the high-speed cruising of motor, cause have reduced the useful life of motor and the raising of failure rate widely.
Summary of the invention
The technical problem to be solved in the present invention is:, in order to solve the problem of wiper motor existence at present in the above-mentioned background technology, propose a kind of electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle.
The technical solution adopted in the present invention is: a kind of electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle, comprise the control circuit module, the control circuit module is connected respectively the flex point Hall switch and is connected with initial point with power supply, described control circuit module also is connected with the either-rotation motor drive circuit module, the either-rotation motor driver module is directly controlled motor, and control principle is as follows:
At a high speed: power connection top gear, CPU detect the high-speed cruising instruction, and starter motor enters the high-speed cruising state, and power supply disconnects, and decelerating through motor stops at origin position finally;
Low speed: power connection low or first gear, CPU detect the low cruise instruction, and starter motor enters the low cruise state, and power supply disconnects, and decelerating through motor stops at origin position finally;
Reset: the power connection shelves that reset, CPU detects reset instruction, and starter motor finds initial point and is parked in origin position with low speed.
The positioning principle of initial point and flex point is as follows:
circuit board covers on circular mainshaft gear, certain interval is left in centre, magnet steel is embedded on gear and rotates with gear, be embedded with respectively the magnet steel of two movement locus on different circumferences on same gear, one is the original point position magnet steel, another is the flex point positioning magnetic steel, two Hall elements are installed in the circuit board fixed position, a corresponding original point position magnet steel be the initial point Hall switch, the corresponding flex point positioning magnetic steel of another be the flex point Hall switch, Hall switch is arranged on a circuit board side relative to gear, when gear during with electric machine rotation, the original point position magnet steel will trigger the origin switch action to time under the initial point Hall switch, the prompting motor should commutate, the flex point positioning magnetic steel will trigger the flex point switch motion to time under the flex point Hall switch, the prompting motor should commutate, because two magnet steel are being embedded in respectively on same gear on different circumferences, so two Hall switch are not interfere with each other, can only be corresponding one by one, correctly choose the setting angle of two magnet steel and just can locate the swing angle of wiper work, the initial point installation site determines the origin position that wiper stops simultaneously, the swing angle of different vehicle wiper work is different,
Further, control circuit module of the present invention comprises CPU governor circuit and over-voltage over-current protection circuit;
Further; the present invention is by described over-voltage over-current protection circuit; when voltage higher than 16V alarm and out of service; when current of electric higher than 20% alarm of rated value and out of service; one red LED indicator light is arranged on circuit board; light when the origin position when main shaft at ordinary times, report to the police with the flicker of going out in 1 second bright 1 second during over voltage alarm, report to the police with the flicker of going out in 0.5 second bright 0.5 second when overcurrent is reported to the police.
the invention has the beneficial effects as follows: the electronic non-contact bidirectional rotation screen wiper motor of the application principle of the invention is to invent on international and domestic general mechanical contact-type Motor Foundation at present, the motor of this invention has overcome the long-standing structure heaviness of mechanical contact-type motor for a long time, life-span is short, failure rate is high, quality is unstable, the shortcomings such as difficulty are installed, and motor does not have interference emission to produce in running, protected again the interference-free impact of other electronic equipments in car, particularly saved the structure of drive assembly in the wiper assembly, make the wiper assembly structure simpler, use cost is lower, the present invention has filled up international and domestic blank in the automobile wiper motor industry field.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is electronic control principle block diagram of the present invention;
Fig. 2 is that initial point of the present invention, flex point detect schematic diagram;
Fig. 3 is the connector figure in the present invention.
In figure: 1. original point position magnet steel, 2. initial point Hall switch, 3. flex point positioning magnetic steel, 4. flex point Hall switch.
Embodiment
The present invention is further detailed explanation with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, Figure 2, Fig. 3, shown in the embodiment of a kind of electronic non-contact bidirectional rotation of the present invention screen wiper circuit for controlling motor operation principle; comprise the control circuit module; the control circuit module is connected with Hall switch with power supply respectively; described control circuit module also is connected with the either-rotation motor drive circuit module; the either-rotation motor driver module is directly controlled motor; described control circuit module comprises CPU governor circuit and over-voltage over-current protection circuit, and control principle is as follows:
Wire size definition list as corresponding in Fig. 3:
| |
1 | 2 | 3 | 4 | 5 | 6 |
| Color | Black | Green | Blue | Vacancy | Yellow | Red |
| Definition | Power- | Low speed | At a high speed | ? | Reset | Power supply just |
At a high speed: No. 3 blue line just is connected with power supply, and CPU detects the high-speed cruising instruction, and starter motor enters the high-speed cruising state, until No. 3 blue lines disconnect, decelerating through motor stops at origin position finally;
Low speed: No. 2 green line just is connected with power supply, and CPU detects the low cruise instruction, and starter motor enters the low cruise state, until No. 3 blue lines disconnect, decelerating through motor stops at origin position finally;
Reset: No. 5 yellow line just is connected with power supply, and CPU detects reset instruction, and starter motor finds initial point and is parked in origin position with low speed.
Electric machine speed regulation adopts the PWM mode, therefore motor only needs a pair of full speed electrode, increased multiple protection functions in circuit, when voltage higher than 16V alarm and out of service, also out of service higher than 20% alarm of rated value when current of electric, a red LED indicator light is arranged on circuit board, light when main shaft process origin position at ordinary times, report to the police with the flicker of going out in 1 second bright 1 second during over voltage alarm, report to the police with the flicker of going out in 0.5 second bright 0.5 second when overcurrent is reported to the police;
The positioning principle of initial point and flex point is as follows:
circuit board covers on circular mainshaft gear, certain interval is left in centre, magnet steel is embedded on gear and rotates with gear, be embedded with respectively the magnet steel of two movement locus on different circumferences on same gear, one is original point position magnet steel 1, another is flex point positioning magnetic steel 3, two Hall elements are installed in the circuit board fixed position, a corresponding original point position magnet steel 1 be initial point Hall switch 2, the corresponding flex point positioning magnetic steel 3 of another be flex point Hall switch 4, Hall switch is arranged on a circuit board side relative to gear, when gear during with electric machine rotation, original point position magnet steel 1 will trigger origin switch to time under initial point Hall switch 2 and move, the prompting motor should commutate, flex point positioning magnetic steel 3 will trigger the flex point switch motion to time under flex point Hall switch 4, the prompting motor should commutate, because two magnet steel are being embedded in respectively on same gear on different circumferences, so two Hall switch are not interfere with each other, can only be corresponding one by one, correctly choose the setting angle of two magnet steel and just can locate the operating angle of wiper, the initial point installation site determines the origin position that wiper stops simultaneously, different automobile types wiper swing angle is different.
Just the specific embodiment of the present invention of describing in above specification, various not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (3)
1. electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle, it is characterized in that: comprise the control circuit module, the control circuit module is connected respectively the flex point Hall switch and is connected with initial point with power supply, described control circuit module also is connected with the either-rotation motor drive circuit module, the either-rotation motor driver module is directly controlled motor, and control principle is as follows:
At a high speed: power connection top gear, CPU detect the high-speed cruising instruction, and starter motor enters the high-speed cruising state, and power supply disconnects, and decelerating through motor stops at origin position finally;
Low speed: power connection low or first gear, CPU detect the low cruise instruction, and starter motor enters the low cruise state, and power supply disconnects, and decelerating through motor stops at origin position finally;
Reset: the power connection shelves that reset, CPU detects reset instruction, and starter motor finds initial point and is parked in origin position with low speed.
The positioning principle of initial point and flex point is as follows:
circuit board covers on circular mainshaft gear, certain interval is left in centre, magnet steel is embedded on gear and rotates with gear, be embedded with respectively the magnet steel of two movement locus on different circumferences on same gear, one is original point position magnet steel (1), another is flex point positioning magnetic steel (3), two Hall elements are installed in the circuit board fixed position, a corresponding original point position magnet steel (1) be initial point Hall switch (2), the corresponding flex point positioning magnetic steel of another (3) be flex point Hall switch (4), Hall switch is arranged on a circuit board side relative to gear, when gear during with electric machine rotation, original point position magnet steel (1) will trigger origin switch to time under initial point Hall switch (2) and move, the prompting motor should commutate, flex point positioning magnetic steel (3) will trigger the flex point switch motion to time under flex point Hall switch (4), the prompting motor should commutate, due to two magnet steel on two different circumferences on same gear, so two Hall switch are not interfere with each other, can only be corresponding one by one, correctly choose the setting angle of two magnet steel and just can locate the swing angle of wiper work, the initial point installation site determines the origin position that wiper stops simultaneously, the swing angle of different automobile types wiper work is different.
2. electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle as claimed in claim 1, it is characterized in that: described control circuit module comprises CPU governor circuit and over-voltage over-current protection circuit.
3. electronic non-contact bidirectional rotation screen wiper circuit for controlling motor operation principle as claimed in claim 2; it is characterized in that: by described over-voltage over-current protection circuit; when voltage higher than 16V alarm and out of service, when current of electric higher than 20% alarm of rated value and out of service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103470593A CN103401491A (en) | 2013-08-09 | 2013-08-09 | Working principle for control circuit of electronic contact-less two-way rotary intelligent windscreen wiper motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103470593A CN103401491A (en) | 2013-08-09 | 2013-08-09 | Working principle for control circuit of electronic contact-less two-way rotary intelligent windscreen wiper motor |
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| CN103401491A true CN103401491A (en) | 2013-11-20 |
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| CN2013103470593A Pending CN103401491A (en) | 2013-08-09 | 2013-08-09 | Working principle for control circuit of electronic contact-less two-way rotary intelligent windscreen wiper motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139841A (en) * | 2017-06-15 | 2017-09-08 | 马胜利 | A kind of wiper for rearview mirror |
| CN111934202A (en) * | 2020-08-31 | 2020-11-13 | 重庆理工大学 | Three-electrode high-voltage ignition switch based on permanent magnet steel self-resetting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4039038A1 (en) * | 1990-12-07 | 1992-06-11 | Man Nutzfahrzeuge Ag | Windscreen wiper control for buses and lorries - reduces speed of blades movement on approach to each motor reversing point |
| CN2205335Y (en) * | 1994-09-28 | 1995-08-16 | 崔鲁彬 | Electron position water scraper of car |
| US20040244136A1 (en) * | 2002-05-15 | 2004-12-09 | John Bledsoe | Tandem windshield wiper system with direct drive motor |
| CN1695284A (en) * | 2002-11-05 | 2005-11-09 | 株式会社美姿把 | Motor unit |
| CN1832306A (en) * | 2005-03-08 | 2006-09-13 | 东京零件工业股份有限公司 | Electromotor with speed reduce machanism |
| US20080157704A1 (en) * | 2006-12-28 | 2008-07-03 | Denso Corporation | Raindrop detecting device and method of selecting wiping mode for vehicle |
| CN102594028A (en) * | 2011-01-07 | 2012-07-18 | 株式会社美姿把 | Wiper motor |
| CN102910150A (en) * | 2012-10-15 | 2013-02-06 | 中联重科股份有限公司渭南分公司 | Windscreen wiper, control method and controller thereof, windscreen wiper system and automobile |
-
2013
- 2013-08-09 CN CN2013103470593A patent/CN103401491A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4039038A1 (en) * | 1990-12-07 | 1992-06-11 | Man Nutzfahrzeuge Ag | Windscreen wiper control for buses and lorries - reduces speed of blades movement on approach to each motor reversing point |
| CN2205335Y (en) * | 1994-09-28 | 1995-08-16 | 崔鲁彬 | Electron position water scraper of car |
| US20040244136A1 (en) * | 2002-05-15 | 2004-12-09 | John Bledsoe | Tandem windshield wiper system with direct drive motor |
| CN1695284A (en) * | 2002-11-05 | 2005-11-09 | 株式会社美姿把 | Motor unit |
| CN1832306A (en) * | 2005-03-08 | 2006-09-13 | 东京零件工业股份有限公司 | Electromotor with speed reduce machanism |
| US20080157704A1 (en) * | 2006-12-28 | 2008-07-03 | Denso Corporation | Raindrop detecting device and method of selecting wiping mode for vehicle |
| CN102594028A (en) * | 2011-01-07 | 2012-07-18 | 株式会社美姿把 | Wiper motor |
| CN102910150A (en) * | 2012-10-15 | 2013-02-06 | 中联重科股份有限公司渭南分公司 | Windscreen wiper, control method and controller thereof, windscreen wiper system and automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139841A (en) * | 2017-06-15 | 2017-09-08 | 马胜利 | A kind of wiper for rearview mirror |
| CN111934202A (en) * | 2020-08-31 | 2020-11-13 | 重庆理工大学 | Three-electrode high-voltage ignition switch based on permanent magnet steel self-resetting |
| CN111934202B (en) * | 2020-08-31 | 2024-05-14 | 重庆理工大学 | Three-electrode high-voltage ignition switch based on permanent magnet steel self-reset |
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Application publication date: 20131120 |