CN102923045A - Automobile dimming device - Google Patents
Automobile dimming device Download PDFInfo
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- CN102923045A CN102923045A CN2012104556510A CN201210455651A CN102923045A CN 102923045 A CN102923045 A CN 102923045A CN 2012104556510 A CN2012104556510 A CN 2012104556510A CN 201210455651 A CN201210455651 A CN 201210455651A CN 102923045 A CN102923045 A CN 102923045A
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- electrical motor
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Abstract
The invention relates to the field of automobile lamp fittings, in particular to an automobile dimming device. The automobile dimming device comprises a steering control module (10) which is used for controlling the steering of a motor (2), and an inching switch (11) which is used for manually controlling the on-off of a power supply of the motor (2); two conductive shrapnels (12) are also fixed on a second gear (6), and are mutually electrically connected; two turns of conductive materials (13) are also arranged on a circuit board (9); the two conductive shrapnels (12) and the two turns of conductive materials (13) are in contact one by one; a gap (14) is also arranged on one of the two turns of conductive materials (13); and the width of the gap (14) is more than the width of the contact position between each conductive shrapnel (12) and each conductive material (13). The automobile dimming device is low in cost and easy to popularize and sell.
Description
Technical field
The present invention relates to automobile lamp accessory field, relate in particular to a kind of automobile light-modulating device.
Background technology
The automobile light-modulating device generally is to be placed on automobile front inside, when vehicle-mounted changing, by the catadioptre of regulating headlight or the position that lens are regulated light, thereby improves automobile safety lighting.
The dimming function of prior art automobile light-modulating device is generally all realized by sensor and control chip, namely detect the number of turns that electrical motor rotates by sensor, then control chip just can rotate the number of turns according to the electrical motor that detects and calculate the purpose that the number of turns that then distance that double-screw bolt moves rotate by the control electrical motor reaches light modulation, but because the cost of sensor and control chip is higher, so can cause the high expensive of whole automobile light-modulating device, so just be unfavorable for the sales promotion of automobile light-modulating device product.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of cost low and be easy to the car bulb adjuster of sales promotion.
The technical solution adopted in the present invention is: a kind of automobile light-modulating device, comprise housing, be arranged on the electrical motor in the housing, be used for the power module to the electrical motor power supply, be arranged on the worm screw on the motor output shaft, the worm gear that is meshed with described worm screw, the first gear with the coaxial setting of described worm gear, the second gear that is meshed with described the first gear, double-screw bolt and circuit card, the axis hole wall of described the second gear is provided with the negative thread that matches with described double-screw bolt, it comprises that also turn to control module and who is used for that the control electrical motor turns to is used for the manually point driving switch of control motor power break-make, the described control module that turns to is electrically connected with power module, and also be fixed with two electroconductive elastic sheets on described the second gear, described two electroconductive elastic sheets are electrically connected mutually, and also be provided with two circle conductive material on the described circuit card, described two electroconductive elastic sheets and two one by one corresponding contacts of circle conductive material, described two the circle conductive material wherein one the circle on also be provided with breach, the width of described breach is greater than the width of described electroconductive elastic sheet and conductive material contact position, a described wherein circle conductive material is electrically connected with turning to control module, described another circle conductive material is connected with electric electromechanics, and described point driving switch is connected with turning to control module and electric electromechanics respectively.
Adopt above structure compared with prior art, the present invention has the following advantages: the state that begins most be two shell fragments wherein one be to be in wherein a circle conductive material indentation, there, be that electrical motor cuts off the power supply, then the user is by point driving switch control electrical motor short time energising, electrical motor can drive the second gear and rotate certain distance like this, namely driving two shell fragments that are arranged on the second gear rotates, the shell fragment of a circle conductive material indentation, there is communicated with conductive material again so that be in wherein, namely be equivalent to and electrical motor is switched on, electrical motor just can rotate again like this, and then drive the second gear and rotate a circle, namely drive two shell fragments and rotate a circle, so wherein a shell fragment just can enter again the breach of conductive material, so that electrical motor cuts off the power supply again, so just be equivalent to the second gear and rotated a circle, be that double-screw bolt moves a segment distance, be equivalent to carry out Primary regulation, when repeatedly regulating, needs can grow by point driving switch, electrical motor can be switched on always like this, so that double-screw bolt can move always, be equivalent to carry out repeatedly regulate, and by turning to control module can control the direction that electrical motor rotates, namely can control the direction that double-screw bolt moves.Also can well realize the purpose of light modulation by this structure, and not at needs sensor and control chip, greatly reduce productive costs, and because point driving switch by once, the second gear just turns around, double-screw bolt is just about mobile 1mm, so that regulation stall will divide is very thin, the accuracy rate of adjusting is high.
As preferably; it comprises that also one is used for limiting stud shaft to the inhibiting device of shift position; described inhibiting device comprises and is arranged on the spacing preiection that double-screw bolt directly makes progress and is arranged on the position-limited trough that matches with described spacing preiection on the housing, and also be provided with between described point driving switch and the electrical motor for the protection of electrical motor from the flow recovery protector.It is excessive with regard to the distance that can not move that double-screw bolt is set like this; when pressing point driving switch with the head of a household; the double-screw bolt position that will reach capacity; the end that this moment, the spacing preiection on the double-screw bolt can push up the housing position-limited trough; the position of double-screw bolt just has been locked like this; prevent that regulating degree is excessive; played good position-limiting action; and lived because double-screw bolt is limited; so electrical motor meeting stall; so that whole circuital current is excessive, this moment is again because also be provided with one from the flow recovery protector on the circuit, because the electrical motor stall causes circuital current excessive; overcurrent protector will disconnect; electrical motor will cut off the power supply like this, stops operating, the good like this electrical motor of having protected; and because this overcurrent protector is self-healing; so after the user was not according to point driving switch, this overcurrent protector can recover path again, can not affect the adjusting afterwards of user's rotation direction next time.
As preferably, the described control module that turns to is double pole double throw, the two poles of the earth of described double pole double throw point of connection a and point of connection b electric connection of power supply module, the point of connection c of described double pole double throw is electrically connected with point of connection f, the point of connection d of described double pole double throw is electrically connected with point of connection e, and the point of connection c of described double pole double throw also is electrically connected with an end of point driving switch, the other end of described point driving switch is electrically connected with one of them binding post of electrical motor, the point of connection d of described double pole double throw is electrically connected with another binding post of electrical motor, a described wherein circle conductive material is electrically connected with one of them binding post of electrical motor, and described another circle conductive material is electrically connected with the point of connection f of double pole double throw.Control turning to of electrical motor by a double pole double throw switch, control is got up more conveniently, and simple in structure like this, and cost is low.
As preferably, described two circle conductive material are two circle Copper Foil conductive material.Adopt Copper Foil as conductive material, conductive effect is good like this.
Description of drawings
Fig. 1 is the structural representation of automobile light-modulating device of the present invention.
Fig. 2 is the structural representation that automobile light-modulating device of the present invention removes the second gear.
Fig. 3 is the cutaway view of automobile light-modulating device of the present invention.
Fig. 4 is that the circuit of automobile light-modulating device of the present invention connects block diagram.
Fig. 5 is the circuit catenation principle figure of automobile light-modulating device of the present invention.
As shown in the figure: 1, housing; 2, electrical motor; 3, power module; 4, worm screw; 5, worm gear; 6, the first gear; 7, the second gear; 8, double-screw bolt; 9, circuit card; 10, turn to control module; 11, point driving switch; 12, electroconductive elastic sheet; 13, conductive material; 14, breach; 15, spacing preiection; 16, position-limited trough; 17, from the flow recovery protector.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the present invention is described further, but the present invention is not limited only to the following specific embodiment.
As shown in the figure: a kind of automobile light-modulating device, comprise housing 1, be arranged on the electrical motor 2 in the housing 1, be used for the power module 3 to electrical motor 2 power supplies, be arranged on the worm screw 4 on electrical motor 2 output shafts, the worm gear 5 that is meshed with described worm screw 4, the first gear 6 with described worm gear 5 coaxial settings, the second gear 7 that is meshed with described the first gear 6, double-screw bolt 8 and circuit card 9, the axis hole wall of described the second gear 7 is provided with the negative thread that matches with described double-screw bolt 8, it comprises that also turn to control module 10 and who is used for that control electrical motor 2 turns to is used for the manually point driving switch 11 of control electrical motor 2 on/offs, the described control module 10 that turns to is electrically connected with power module 3, and also be fixed with two electroconductive elastic sheets 12 on described the second gear 6, described two electroconductive elastic sheets 12 are electrically connected mutually, and also be provided with two circle conductive material 13 on the described circuit card 9, described two electroconductive elastic sheets 12 and two one by one corresponding contacts of circle conductive material 13, described two the circle conductive material 13 wherein one the circle on also be provided with breach 14, the width of described breach 14 is greater than the width of described electroconductive elastic sheet 12 with conductive material 13 contact positions, a described wherein circle conductive material 13 is electrically connected with turning to control module 10, described another circle conductive material is electrically connected with electrical motor 2, and described point driving switch 11 is electrically connected with turning to control module 10 and electrical motor 2 respectively.Described electrical motor 2 is fixed on the circuit card 9, described turning on the controller dial plate that control module 10 and point driving switch 11 all be arranged on automobile, the power supply that described power module 3 can use automobile to carry, the direct supply that also can use extra increase to get on.The size of the described wherein breach of a circle conductive material 13 is little by little larger than the width of two shell fragments 12, like this user one by point driving switch 11 will so that electroconductive elastic sheet 12 and conductive material 13 connected.
It comprises that also is used for limiting the inhibiting device that double-screw bolt 8 moves axially the position; described inhibiting device comprises and is arranged on the spacing preiection 15 that double-screw bolt 8 footpath makes progress and is arranged on the position-limited trough 16 that matches with described spacing preiection 15 on the housing 1, and also be provided with between described point driving switch 11 and the electrical motor 2 for the protection of electrical motor 2 from flow recovery protector 17.Described double-screw bolt 8 is comprised of two-layer in fact, middle one deck screw rod, outer bread one deck overcoat, the interlock of described overcoat and screw rod, and the outside thread that is complementary of the described outer negative thread that puts on the axis hole wall that is provided with described the second gear 7.Outside being arranged on, described spacing preiection 15 puts.Described is common on the market from flow recovery protector 17, can buy, so just be not described in detail at this.
As shown in Figure 5, the described control module 10 that turns to is double pole double throw, the two poles of the earth of described double pole double throw point of connection a and point of connection b electric connection of power supply module 3, the point of connection c of described double pole double throw is electrically connected with point of connection f, the point of connection d of described double pole double throw is electrically connected with point of connection e, and the point of connection c of described double pole double throw also is electrically connected with an end of point driving switch 11, the other end of described point driving switch 11 is electrically connected with one of them binding post of electrical motor 2, the point of connection d of described double pole double throw is electrically connected with another binding post of electrical motor 2, a described wherein circle conductive material 13 is electrically connected with one of them binding post of electrical motor 2, and described another circle conductive material 13 is electrically connected with the point of connection f of double pole double throw.
Described two circle conductive material 13 are two circle Copper Foil conductive material.
Principle of work of the present invention: initial conditions is that one of them electroconductive elastic sheet 12 is in wherein breach 14 places of a circle conductive material 13; and point driving switch 11 also is off-state; this moment, electrical motor 2 was cold; when needs are adjusted; the short point driving switch of pressing of user; make its short time conducting; be the energisings of 2 short time of electrical motor; be that electrical motor 2 work little times quit work again at once; this moment, electrical motor 2 will drive worm screw 4 successively; worm gear 5; the first gear 6 and the second gear 7 rotate; and then two shell fragments 12 that drive is fixed on the second gear 7 move a certain distance; beginning will contact with conductive material 13 in an electroconductive elastic sheet 12 of circle conductive material 13 indentation, there wherein like this; and then so that electrical motor 2 is in again "on" position; and then continue to drive the second gear 7 and rotate; be that double-screw bolt 8 moves; after the second gear 7 rotates a circle; described wherein electroconductive elastic sheet 12 just can enter into again wherein breach 14 places of a circle conductive material 13; so that electrical motor 2 cuts off the power supply again; so just be equivalent to the second gear 7 and rotated a circle; driving double-screw bolt has moved about 1mm; namely the Der Scheinwerfer mit FernlichtAbblendlichtStandlicht position has been carried out once adjusting; and adjusting range is less; if need adjusting range larger; then can grow by point driving switch 11; electrical motor 2 will be in "on" position always like this; namely be work always; it is always mobile to drive double-screw bolt 8; when double-screw bolt 8 moves to the limited device card master of end position; this moment, double-screw bolt 8 can not move again; be limited lived; and electrical motor 2 will be blocked; what electric current will become in the circuit at this moment is very large; so that disconnecting from flow recovery protector 17 in the circuit; well protected electrical motor 2; after the user no longer pins point driving switch 11; can automatically again recover path again from flow recovery protector 17; circuit remains path when being the moving switch 11 of user's peace next time east point, and the user can also be that double pole double throw is adjusted the direction that electrical motor 2 rotates by turning to control module 10.
Claims (4)
1. automobile light-modulating device, comprise housing (1), be arranged on the electrical motor (2) in the housing (1), be used for the power module (3) to electrical motor (2) power supply, be arranged on the worm screw (4) on electrical motor (2) output shaft, the worm gear (5) that is meshed with described worm screw (4), the first gear (6) with the coaxial setting of described worm gear (5), the second gear (7) that is meshed with described the first gear (6), double-screw bolt (8) and circuit card (9), the axis hole wall of described the second gear (7) is provided with the negative thread that matches with described double-screw bolt (8), it is characterized in that: it comprises that also turn to control module (10) and who is used for that control electrical motor (2) turns to is used for the manually point driving switch (11) of control electrical motor (2) on/off, the described control module (10) that turns to is electrically connected with power module (3), and also be fixed with two electroconductive elastic sheets (12) on described the second gear (6), described two electroconductive elastic sheets (12) are electrically connected mutually, and also be provided with two circle conductive material (13) on the described circuit card (9), described two electroconductive elastic sheets (12) and two one by one corresponding contacts of circle conductive material (13), described two the circle conductive material (13) wherein one the circle on also be provided with breach (14), the width of described breach (14) is greater than the width of described electroconductive elastic sheet (12) with conductive material (13) contact position, a described wherein circle conductive material (13) is electrically connected with turning to control module (10), described another circle conductive material is electrically connected with electrical motor (2), and described point driving switch (11) is electrically connected with turning to control module (10) and electrical motor (2) respectively.
2. automobile light-modulating device according to claim 1; it is characterized in that: it comprises that also is used for limiting the inhibiting device that double-screw bolt (8) moves axially the position; described inhibiting device comprises and is arranged on the spacing preiection (15) that double-screw bolt (8) footpath makes progress and is arranged on the upper position-limited trough (16) that matches with described spacing preiection (15) of housing (1), and also be provided with between described point driving switch (11) and the electrical motor (2) for the protection of electrical motor (2) from flow recovery protector (17).
3. automobile light-modulating device according to claim 2, it is characterized in that: the described control module (10) that turns to is double pole double throw, the two poles of the earth of described double pole double throw point of connection a and point of connection b electric connection of power supply module (3), the point of connection c of described double pole double throw is electrically connected with point of connection f, the point of connection d of described double pole double throw is electrically connected with point of connection e, and the point of connection c of described double pole double throw also is electrically connected with an end of point driving switch (11), the other end of described point driving switch (11) is electrically connected with one of them binding post of electrical motor (2), the point of connection d of described double pole double throw is electrically connected with another binding post of electrical motor (2), a described wherein circle conductive material (13) is electrically connected with one of them binding post of electrical motor (2), and described another circle conductive material (13) is electrically connected with the point of connection f of double pole double throw.
4. automobile light-modulating device according to claim 1 is characterized in that: described two circle conductive material (13) are two circle Copper Foil conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455651.0A CN102923045B (en) | 2012-11-14 | 2012-11-14 | Automobile dimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455651.0A CN102923045B (en) | 2012-11-14 | 2012-11-14 | Automobile dimming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102923045A true CN102923045A (en) | 2013-02-13 |
| CN102923045B CN102923045B (en) | 2014-07-30 |
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ID=47638027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210455651.0A Active CN102923045B (en) | 2012-11-14 | 2012-11-14 | Automobile dimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102923045B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627341A (en) * | 2016-12-21 | 2017-05-10 | 武汉通畅汽车电子照明有限公司 | Headlight dimming executor with full automatic manual and electric adjusting functions and dimming method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0138217B1 (en) * | 1983-10-14 | 1988-01-27 | Ichikoh Industries Limited | Apparatus for adjusting the inclination of the automobile headlamp |
| JP2000274142A (en) * | 1999-03-23 | 2000-10-03 | Koito Mfg Co Ltd | Safety device for power window |
| CN201190935Y (en) * | 2008-05-15 | 2009-02-04 | 胡世森 | Synchronization steering illumination lamp running at nighttime for automobile |
| CN201706410U (en) * | 2010-02-26 | 2011-01-12 | 佛山华永科技有限公司 | Car lamp angle adjustment driving device |
| CN202138283U (en) * | 2011-06-09 | 2012-02-08 | 佛山华永科技有限公司 | Angular adjustment device for car light |
| CN202847542U (en) * | 2012-11-14 | 2013-04-03 | 宁波精华电子科技有限公司 | Automobile dimmer |
-
2012
- 2012-11-14 CN CN201210455651.0A patent/CN102923045B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0138217B1 (en) * | 1983-10-14 | 1988-01-27 | Ichikoh Industries Limited | Apparatus for adjusting the inclination of the automobile headlamp |
| JP2000274142A (en) * | 1999-03-23 | 2000-10-03 | Koito Mfg Co Ltd | Safety device for power window |
| CN201190935Y (en) * | 2008-05-15 | 2009-02-04 | 胡世森 | Synchronization steering illumination lamp running at nighttime for automobile |
| CN201706410U (en) * | 2010-02-26 | 2011-01-12 | 佛山华永科技有限公司 | Car lamp angle adjustment driving device |
| CN202138283U (en) * | 2011-06-09 | 2012-02-08 | 佛山华永科技有限公司 | Angular adjustment device for car light |
| CN202847542U (en) * | 2012-11-14 | 2013-04-03 | 宁波精华电子科技有限公司 | Automobile dimmer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627341A (en) * | 2016-12-21 | 2017-05-10 | 武汉通畅汽车电子照明有限公司 | Headlight dimming executor with full automatic manual and electric adjusting functions and dimming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102923045B (en) | 2014-07-30 |
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Address after: 315194 Zhejiang city of Ningbo province Yinzhou District South Street chating um Village Patentee after: NINGBO JINGHUA ELECTRONICS TECHNOLOGY CO., LTD. Address before: 315000 Zhejiang city of Ningbo province Yinzhou District South Street chating Industrial Zone, Xiao Gaolu Patentee before: NINGBO JINGHUA ELECTRONICS TECHNOLOGY CO., LTD. |