CN201024825Y - Clamping-proof electric glass window lifter drive device and its driving system - Google Patents
Clamping-proof electric glass window lifter drive device and its driving system Download PDFInfo
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- CN201024825Y CN201024825Y CNU2007200040112U CN200720004011U CN201024825Y CN 201024825 Y CN201024825 Y CN 201024825Y CN U2007200040112 U CNU2007200040112 U CN U2007200040112U CN 200720004011 U CN200720004011 U CN 200720004011U CN 201024825 Y CN201024825 Y CN 201024825Y
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- motor
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- glass window
- window lifter
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Abstract
The utility model provides the drive unit and the driving system of an anti-clip electric glazing lifter which is characterized in that the drive unit comprises a motor, a sensing component and a signal reshaping circuit; the sensing component is close to the motion curve of the rotor of the motor, and used for producing the induction electromotive force when the motor is rotating and the magnetic pole produced by the rotor of the motor passes through the sensing component; the signal reshaping circuit is connected with the sensing component, and is output after making a signal reshaping to the induction electromotive force signal; and when having rotated a cycle, the motor outputs pulsing signals which have the same number with the loop of the rotor of the motor. Thereby the utility model has the advantages of making the collection and the output of the signal of the rotation period of the motor more convenient and elaborate, and no need change the electromagnetism parameter of the motor of the prior electric glazing lifter, thereby the utility model is easy to reform and go into mass production.
Description
Technical field
The utility model relates to a kind of drive unit and drive system thereof, relates to a kind of anti-pinch electric glass window lifter drive unit and drive system thereof specifically.
Background technology
Existing automotive window lifter has two big classes: a class is manual (hand) formula glass-frame riser, and another kind of is electronics or electric glass lifter.The plain edition car adopts hand-rail type more, and medium-to-high grade car then adopts electronics or electrodynamic type.
In electronics or electrodynamic type lifter, also be divided into the electronics lifter of being with pinch resistant functionality and the electrodynamic type lifter of controlling (motor) merely by switch.
But in the above-mentioned window regulator that exists in the prior art, all there are some defectives.Loaded down with trivial details as hand automobile glass lifter operation, the mechanism components life-span is short, fault rate is high;
Merely by the electrodynamic type glass-frame riser of switch control (motor) owing to there is artificial maloperation, often rise to the top or drop to the timely cut-off switch in the end, cause that motor is overheated, lead is overheated, and waste energy;
The electric glass lifter of existing high-grade car generally has pinch resistant functionality, can descend automatically when clipping to object in the glass for vehicle window uphill process, avoids causing personal injury or presss from both sides bad object.The motor that these electric glass lifters are used all is external design, manufacturing, production, and price is also very high.Existing electric glass lifter CD-ROM drive motor is realized anti-pinch for the number of turns that writes down rotation, the anti-pinch motor configuration schematic diagram that patented technology: Fig. 1 who adopts Siemens Company mostly is a Siemens Company, as shown in Figure 1, the anti-pinch motor 10 of described Siemens Company comprises: shell 101, rotor 102, permanent magnet 103, commutator segment 104, carbon brush 105, power supply terminal 106, magnet ring 107, motor drive shaft 108, Hall element 109 and wiring board 110; Magnet ring 107 self has three magnetic poles, when three magnetic poles magnet ring that rotates with the axis, surveys the number of turns of revolution with two Hall elements 109.This technical costs of Siemens Company is high, but in fact also very inaccurate, because its magnet ring 107 that rotates with the axis has only three magnetic poles, i.e. in a moving week of motor 10 revolutions, Hall element 109 can only be exported three pulses.Anti-pinch electric glass lifter based on Siemens technique is not extensively popularized.Also have a kind of the utilization to survey the electric glass lifter pinch resistant functionality that the motor current ripple is realized abroad, this product also has many problems to solve just on stream, does not have full maturity to come into the market.
The utility model content
For solving problems of the prior art, a purpose of the present utility model provides a kind of anti-pinch electric glass window lifter drive unit and drive system thereof, in the hope of when reducing manufacturing cost, make that the collection of revolution periodic signal is easier, export meticulousr.
The utility model provides a kind of anti-pinch electric glass window lifter drive unit, comprises motor; Drive unit also comprises: sensing element, this sensing element are used for producing induced electromotive force during the magnetic pole process sensing element of motor rotor coil generation when motor energising rotation near the motor rotor movement locus; Signal transformation circuit is connected with sensing element, and induced electromotive force signal is carried out signal shaping and output.
When revolution one during week, output and the identical pulse signal of motor rotor coil quantity.
The number of motor rotor coil is 8, and when described revolution during one week, the pulse number of output is 8.
Sensing element is fixed in the motor shell.
Sensing element is the inductance magnetic field sensor probe head.
Signal transformation circuit comprises inductance and electric capacity; Wherein, an end of inductance and an end of electric capacity are connected, and the other end of inductance is connected with sensing element respectively with the other end of electric capacity.
The utility model also provides a kind of anti-pinch electric glass window lifter drive system, comprises motor; Described drive system also comprises: sensing element, described sensing element are used for when described motor energising is rotated near the motor rotor movement locus, and the magnetic pole that the motor rotor coil produces produces induced electromotive force during through described sensing element; Signal transformation circuit is connected with described sensing element, and described induced electromotive force signal is carried out signal shaping and output.
In sum, the utlity model has following advantage: the electromagnetic parameter and the profile that do not need to change existing electric glass lifter motor, the transformation of the way and batch process easily, with low cost, the collection of revolution periodic signal and export convenient and meticulous, external control circuit is simplified greatly, has accelerated to realize comprehensive production domesticization of anti-pinch electric glass window lifter.
Description of drawings
Fig. 1 is Siemens Company's anti-pinch motor configuration schematic diagram;
Fig. 2 is a kind of anti-pinch electric glass window lifter driving device structure schematic diagram of an embodiment of the present utility model;
Fig. 3 is a kind of anti-pinch electric glass window lifter drive unit circuit diagram of an embodiment of the present utility model;
Fig. 4 is produced signal comparison of wave shape schematic diagram before and after signal shaping by one week of revolution of an embodiment of the present utility model;
Fig. 5 is a kind of anti-pinch electric glass window lifter driving system structure schematic diagram of another embodiment of the present utility model.
The specific embodiment
The utility model embodiment provides a kind of anti-pinch electric glass window lifter drive unit and drive system thereof, below with reference to accompanying drawing the utility model is elaborated.
Embodiment one
As shown in Figure 2, be a kind of anti-pinch electric glass window lifter driving device structure schematic diagram of embodiment of the present utility model.Described anti-pinch electric glass window lifter drive unit comprises: motor 20, sensing element 30 and signal transformation circuit 40;
In the present embodiment, motor 20 is used for providing power to electric up-down glass, as Fig. 2, shown in Figure 3, comprising: shell 201, rotor 202, permanent magnet 203, carbon brush 204, motor drive shaft 205, power line 206, commutator segment 207 and motor rotor coil 208;
In preferred embodiment one of the present utility model, the quantity of motor rotor coil 208 is 8, and the function of other each ingredient and existing Motor seemingly repeat no more herein.
Sensing element 30 is used for when described motor 20 energisings are rotated near motor rotor 202 movement locus, and the magnetic pole that motor rotor coil 208 produces produces induced electromotive force during through described sensing element 30;
When motor 20 rotates a week, output and the identical pulse signal of motor rotor coil 208 quantity.In the present embodiment, the quantity of motor rotor coil 208 is 8, and then Shu Chu pulse signal is 8.
As shown in Figure 2, in the present embodiment, sensing element 30 is fixed on shell 201 inside of motor 20.Sensing element 30 can adopt the inductance magnetic field sensor probe head, but is not limited thereto kind, also can adopt other element.
As shown in Figure 3, in the present embodiment, signal transformation circuit 40 comprises inductance 401 and electric capacity 402; Wherein, an end of described inductance 401 is connected with an end of electric capacity 402, and the other end of the other end of inductance 401 and electric capacity 402 is connected with sensing element 30 respectively.
As shown in Figure 3, in the present embodiment, inductance 401 is the filter inductance of 0.1mH; Electric capacity 402 is the electric capacity of 0.1uF.The size of inductance and electric capacity institute value can be selected according to the actual needs of signal shaping, and signal transformation circuit also can be the signal transformation circuit of other form.
As shown in Figure 2, an end of signal transformation circuit 40 is connected with output line S, is used to connect described signal transformation circuit 40 and other external electronic device or device (not shown).
The rotor coil quantity that comprises for motor rotor is the motor technological parameter, when the accurate more revolution periodic signal of needs is exported, can select the motor with other rotor coil quantity for use, does not repeat them here for selecting for use of motor.
When motor is connected the power supply rotation, the inductance magnetic field sensor probe head can be found out the cycle that motor rotor rotates, moving 45 degree of motor revolution, the inductance magnetic field sensor probe head through the rotation period signal transformation circuit to pulse of outside output, one week of revolution then the inductance magnetic field sensor probe head through signal transformation circuit to 8 pulses of outside output.
Below to be 8 with the number of motor rotor coil be example, the course of work of a kind of anti-pinch electric glass window lifter drive unit of the present utility model is described.
As Fig. 2, shown in Figure 3, when motor 20 is connected power supply by power line 206,8 motor rotor coils 208 of motor rotor 202 flow through electric current, the a series of direction differences of motor rotor coil 208 meeting generations, the magnetic field that magnetic field intensity is different, it is the center rotation with motor drive shaft 205 that the magnetic field interaction that permanent magnet 203 in these magnetic fields and the motor 20 produces, generation torsion make motor rotor 202.8 motor rotor coils 208 that motor rotor 202 has produce magnetic field and through the inductance magnetic field sensor probe head, the magnetic flux that passes inductance magnetic field sensor probe head coil changes, and produce induced electromotive force at inductance magnetic field sensor probe head coil two ends; 8 motor rotor coils 208 of motor rotor produce 8 magnetic poles when working, so a moving week of motor rotor 202 revolutions, the induced electromotive force that produces at inductance magnetic field sensor probe head coil two ends will change 8 times; The induced electromotive force that produces at inductance magnetic field sensor probe head coil two ends is exported 8 pulses by by a 0.1mH filter inductance 401 and the signal transformation circuit 40 that 0.1uF electric capacity 402 is formed by output line S; See also Fig. 4, Fig. 4 is produced signal comparison of wave shape schematic diagram before and after signal shaping by one week of revolution.
The induced electromotive force that produces at inductance magnetic field sensor probe head coil two ends passes through by a 0.1mH filter inductance 401 and the signal transformation circuit 40 that 0.1uF electric capacity 402 is formed, convert the pulse signal that can be received by external electronic device to, external electronic device can be determined the number of turns (or angle) that motor 20 rotates from the number that receives pulse.
As seen, a kind of anti-pinch electric glass window lifter drive unit in the preferred embodiment one, do not need to change the electromagnetic parameter and the external form of existing electric glass lifter motor, when having utilized motor operations, the magnetic field that motor rotor coil self produces, and replace Hall element of the prior art with low price, electromagnetism magnetic field sensor probe head simple in structure, by detecting the magnetic field (being actually) that motor rotor coil self produces, obtain the number of turns (or angle) of revolution by detecting induced electromotive force.
Embodiment two
As shown in Figure 5, be a kind of anti-pinch electric glass window lifter driving system structure schematic diagram of second embodiment of the present utility model.Described anti-pinch electric glass window lifter drive system comprises: motor 20, sensing element 30, signal transformation circuit 40 and signal processing unit 50.Wherein, operating principle for a kind of anti-pinch electric glass window lifter drive unit of the internal construction of described motor 20, sensing element 30, signal transformation circuit 40 and the utility model first embodiment, in first embodiment of the present utility model, done description, so do not repeat them here.
The above, only be two specific embodiments of the utility model the best, but feature of the present utility model is not limited thereto, anyly is familiar with this skill person in the utility model field, can think easily and variation or modification, all can be encompassed in following the utility model claim.
Claims (9)
1. an anti-pinch electric glass window lifter drive unit comprises motor; It is characterized in that described drive unit also comprises:
Sensing element, described sensing element are used for when described motor energising is rotated near the motor rotor movement locus, and the magnetic pole that the motor rotor coil produces produces induced electromotive force during through described sensing element;
Signal transformation circuit is connected with described sensing element, and described induced electromotive force signal is carried out exporting after the signal shaping; And described one week of revolution, output and the identical pulse signal of described motor rotor coil quantity.
2. anti-pinch electric glass window lifter drive unit according to claim 1 is characterized in that the number of described motor rotor coil is 8, and the pulse number of output is 8.
3. anti-pinch electric glass window lifter drive unit according to claim 1 is characterized in that described sensing element is fixed in the described motor shell.
4. anti-pinch electric glass window lifter drive unit according to claim 1 is characterized in that described sensing element is the inductance magnetic field sensor probe head.
5. anti-pinch electric glass window lifter drive unit according to claim 1 is characterized in that described signal transformation circuit comprises inductance and electric capacity; Wherein, an end of described inductance and an end of electric capacity are connected, and the other end of described inductance is connected with sensing element respectively with the other end of electric capacity.
6. an anti-pinch electric glass window lifter drive system comprises motor; It is characterized in that described drive system also comprises:
Sensing element, described sensing element are used for when described motor energising is rotated near the motor rotor movement locus, and the magnetic pole that the motor rotor coil produces produces induced electromotive force during through described sensing element;
Signal transformation circuit is connected with described sensing element, and described induced electromotive force signal is carried out signal shaping, and, exports and the identical pulse signal of described motor rotor coil quantity during one week in described revolution;
Signal processing unit, described signal processing unit is connected with described signal transformation circuit, receives described pulse signal, and determines the number of turns or the angle of described revolution according to described pulse signal.
7. anti-pinch electric glass window lifter drive system according to claim 6 is characterized in that the number of described motor rotor coil is 8, and when described revolution during one week, the pulse number of output is 8.
8. anti-pinch electric glass window lifter drive system according to claim 6 is characterized in that described sensing element is fixed in the described motor shell.
9. anti-pinch electric glass window lifter drive system according to claim 6 is characterized in that described sensing element is the inductance magnetic field sensor probe head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200040112U CN201024825Y (en) | 2007-02-13 | 2007-02-13 | Clamping-proof electric glass window lifter drive device and its driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200040112U CN201024825Y (en) | 2007-02-13 | 2007-02-13 | Clamping-proof electric glass window lifter drive device and its driving system |
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| Publication Number | Publication Date |
|---|---|
| CN201024825Y true CN201024825Y (en) | 2008-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200040112U Expired - Fee Related CN201024825Y (en) | 2007-02-13 | 2007-02-13 | Clamping-proof electric glass window lifter drive device and its driving system |
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| CN (1) | CN201024825Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575496A (en) * | 2009-09-29 | 2012-07-11 | 爱信精机株式会社 | Window regulator device |
| CN103161379A (en) * | 2011-12-15 | 2013-06-19 | 华创车电技术中心股份有限公司 | Anti-pinch car window system |
| CN103370662A (en) * | 2010-12-27 | 2013-10-23 | 罗伯特·博世有限公司 | Method and apparatus for providing an indication of movement, particularly for recognition of blocking in a locking system |
| CN104175844A (en) * | 2013-05-20 | 2014-12-03 | 西川橡胶工业股份有限公司 | Protector with sensor and method of molding end part of the same |
-
2007
- 2007-02-13 CN CNU2007200040112U patent/CN201024825Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575496A (en) * | 2009-09-29 | 2012-07-11 | 爱信精机株式会社 | Window regulator device |
| CN102575496B (en) * | 2009-09-29 | 2013-11-20 | 爱信精机株式会社 | Window regulator device |
| US8826592B2 (en) | 2009-09-29 | 2014-09-09 | Aisin Seiki Kabushiki Kaisha | Window regulator device |
| CN103370662A (en) * | 2010-12-27 | 2013-10-23 | 罗伯特·博世有限公司 | Method and apparatus for providing an indication of movement, particularly for recognition of blocking in a locking system |
| CN103370662B (en) * | 2010-12-27 | 2016-09-14 | 罗伯特·博世有限公司 | For the method and apparatus providing exercise data especially for the locking identification of closed-system |
| CN103161379A (en) * | 2011-12-15 | 2013-06-19 | 华创车电技术中心股份有限公司 | Anti-pinch car window system |
| CN104175844A (en) * | 2013-05-20 | 2014-12-03 | 西川橡胶工业股份有限公司 | Protector with sensor and method of molding end part of the same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 |