CN101469839B - Light modulation executor for automobile headlamp - Google Patents
Light modulation executor for automobile headlamp Download PDFInfo
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- CN101469839B CN101469839B CN200710172874A CN200710172874A CN101469839B CN 101469839 B CN101469839 B CN 101469839B CN 200710172874 A CN200710172874 A CN 200710172874A CN 200710172874 A CN200710172874 A CN 200710172874A CN 101469839 B CN101469839 B CN 101469839B
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- light modulation
- screw rod
- gear
- modulation screw
- direct current
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Abstract
The invention relates to a dimming actuator for headlamps of a vehicle, characterized in that a dimming screw, arranged in a housing, slidably connected with the housing, connected with a circuit board assembly, is connected with the output shaft of a DC motor through a transmission mechanism, the circuit board assembly is electrically connected with the input terminal of the DC motor. The invention has the advantages of compact structure, stable transmission, convenient control, good speed-adjusting performance, quick response speed, and the like.
Description
Technical field:
The present invention relates to a kind of manufacturing field of automobile lamp, be specifically related to a kind of light modulation executor that is used for car headlamp.
Background technology:
The front shining lamp adjustment device of regulating the headlamp luffing angle is installed on senior car headlamp at present; So that satisfy vehicle demands of different to the headlamp irradiating angle when climb and fall and under the different driving vehicle conditions; Its adjustment angle operation principle be by a dimming drive device draw or the pushing tow headlamp in speculum; Speculum is rotated up and down around transverse horizontal axis to be realized that headlamp light produces and faces upward the radiation response of bowing up and down; Its control of present front shining lamp adjustment actuator, drive relatively simple for structure, exist control accuracy poor, shortcoming such as operating noise is big when poor anti jamming capability, transmission.
Summary of the invention:
The object of the present invention is to provide a kind of light modulation executor that is used for car headlamp, can overcome above shortcoming.
To achieve these goals; Technical scheme of the present invention is following: a kind of light modulation executor that is used for car headlamp, comprise housing, and it is characterized in that being provided with in the housing light modulation screw rod; Light modulation screw rod and housing are slidingly connected; The light modulation screw rod is connected with circuit board module, the light modulation screw rod be connected with the output shaft of direct current generator through transmission mechanism, circuit board module is electrically connected with the input of direct current generator.Wherein transmission mechanism comprises first gear that is connected with the light modulation screw rod; First gear is provided with internal thread and external tooth; The internal thread of this first gear is connected with the light modulation screw engages, and the external tooth of first gear is connected with second gears engaged, and second gear is connected with worm gear; Worm gear is connected with worm engaging, and worm screw is installed on the output shaft of direct current generator.Be provided with integration module in the circuit board module; The input of integration module is electrically connected with potentiometer; The light modulation screw rod is terminal to be connected with the adjusting rod of potentiometer; The output of this integration module is provided with inserted sheet, and this inserted sheet is electrically connected with the input of direct current generator, and circuit has also been done respective design to Electro Magnetic Compatibility on the wiring board.
After the controller dial plate performed the position adjustment, circuit board module compared the voltage division signal of the potentiometer on input signal and the circuit board module, output drive signal, direct current generator action.The rotation of direct current generator drives the motion of light modulation screw axial through transmission mechanism; The adjusting rod that the motion of light modulation screw rod will drive the potentiometer in the circuit board module simultaneously slides; Thereby dwindle the pressure reduction of potentiometer voltage division signal and input signal; When pressure reduction was zero, output drive signal was zero, and then motor stops operating.Because the position of light modulation screw rod has been fed back to circuit board module through potentiometer, drive direct current generator then and drive the light modulation screw action, so the gear that accurately requires on the tracking Control instrument board of the position of light modulation screw rod.The invention has the advantages that compact conformation, stable drive, control is rotated accurately, good speed adjustment features, response speed is fast etc.
Description of drawings:
Fig. 1 is explosion figure of the present invention
Fig. 2 is the transmission sketch map of present embodiment
Fig. 3 is a fundamental diagram of the present invention
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
A kind of light modulation executor that is used for car headlamp; Comprise housing 1; It is characterized in that being provided with in the housing 1 light modulation screw rod 3, light modulation screw rod 3 is slidingly connected with housing 1, and light modulation screw rod 3 is connected with circuit board module 2; Light modulation screw rod 3 be connected through the output shaft of transmission mechanism 15 with direct current generator 4, circuit board module 2 is electrically connected with the input of direct current generator 4.According to one embodiment of present invention; Transmission mechanism comprises that first gear, 6, the first gears 6 that are connected with light modulation screw rod 3 are provided with internal thread and external tooth, and the internal thread of this first gear 6 and light modulation screw rod 3 are connected with a joggle; The external tooth of first gear 6 and second gear 7 are connected with a joggle; Second gear 7 is connected with worm gear 8, and worm gear 8 is connected with a joggle with worm screw 9, and worm screw 9 is installed on the output shaft of direct current generator 4.Be provided with integration module in the circuit board module 2; The input of integration module is electrically connected with potentiometer 10; Light modulation screw rod 3 ends are connected with the adjusting rod 11 of potentiometer 10, and the output of this integration module is provided with inserted sheet 5, has two on the direct current generator shell as input; This inserted sheet 5 inserts in the jack of direct current generator 4, is electrically connected with the input of this direct current generator.
Light modulation screw rod 3 front portions vertically are provided with convex platform 12 and lower convex platform 13, and housing 1 corresponding position is provided with the guide rail (not shown), and convex platform 12 is slidingly connected with guide rail respectively with lower convex platform 13.The existence of guide rail has stoped the rotation of light modulation screw rod; Avoid misoperation outside or that inner reason causes; Convex platform 12 can be designed to perhaps on the width difference is arranged on the height with lower convex platform 13; This is the anti-error dress measure that light modulation screw rod 3 is installed, and can guarantee that the screw rod end cooperates with the effective of potentiometer adjusting rod.
First gear, 6 front ends are provided with the turriform resilient barb, and housing is provided with the edge (not shown) that cooperates with it, can hook housing easily when mounted, the gear 6 of winning is closely cooperated with housing is disposable, and do not have axial float.
The effect of light modulation executor is to make that the driver can be through the beam angle of the gauge tap manual adjustment headlamp on the controller dial plate.Gauge tap on the controller dial plate is exactly the gear divider 14 among Fig. 3; Gear divider 14 is through the integration module in the connector incoming line board component; Integration module compares the voltage division signal of the potentiometer 10 on this voltage signal and the circuit board module 2; If there is pressure reduction, output drive signal (OUT1, OUT2) then, direct current generator 4 actions.The rotation of direct current generator 4 is transferred to worm gear 8 through the worm screw 9 that is positioned on the output shaft; Worm gear 8 drives second gear 7 that is fixedly connected with it; Second gear 7 drives first gear 6 and rotates, and the internal thread through first gear 6 drives 3 axially-movables of light modulation screw rod again, and the adjusting rod 11 that drives the potentiometer 10 in the circuit board module 2 in the time of 3 motions of light modulation screw rod slides; Thereby dwindle the perform pressure reduction of a voltage division signal of potentiometer 10 voltage division signal and controller dial plate; When pressure reduction was zero, output drive signal (OUT1, OUT2) was zero, and motor stops operating.After the controller dial plate performed the position adjustment, then there was new pressure reduction in the potentiometer voltage division signal on gear dividing potential drop and the circuit board module, and this will drive direct current generator 4 actions once more is zero until pressure reduction.It is thus clear that the dividing potential drop of potentiometer 10 is true signal of telecommunication feedbacks of light modulation screw rod 3 current locations on the circuit board module; The effect of integration module is the gear that in time requires on the Position Tracking Control instrument board of motion with the light modulation screw rod through drive motors; Light modulation screw rod 3 drives optical unit or speculum rotates around rotating shaft, realizes the purpose of light modulation.
Claims (1)
1. a light modulation executor that is used for car headlamp comprises housing, it is characterized in that being provided with in the housing light modulation screw rod; Light modulation screw rod and housing are slidingly connected, and the light modulation screw rod is connected with circuit board module, and the light modulation screw rod is connected with the output shaft of direct current generator through transmission mechanism; Circuit board module is electrically connected with the input of direct current generator, and wherein transmission mechanism comprises first gear that is connected with the light modulation screw rod, and first gear is provided with internal thread and external tooth; The internal thread of this first gear is connected with the light modulation screw engages, and the external tooth of first gear is connected with second gears engaged, and second gear is connected with worm gear; Worm gear is connected with worm engaging, and worm screw is installed on the output shaft of direct current generator, is provided with integration module in the circuit board module; The input of integration module is electrically connected with potentiometer, and the light modulation screw rod is terminal to be connected with the adjusting rod of potentiometer, and the output of this integration module is provided with inserted sheet; This inserted sheet is electrically connected with the input of direct current generator; Light modulation screw rod front portion vertically is provided with convex platform and lower convex platform, and the corresponding position of housing is provided with guide rail, and convex platform and lower convex platform are slidingly connected with guide rail respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710172874A CN101469839B (en) | 2007-12-24 | 2007-12-24 | Light modulation executor for automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710172874A CN101469839B (en) | 2007-12-24 | 2007-12-24 | Light modulation executor for automobile headlamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101469839A CN101469839A (en) | 2009-07-01 |
| CN101469839B true CN101469839B (en) | 2012-09-05 |
Family
ID=40827559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710172874A Active CN101469839B (en) | 2007-12-24 | 2007-12-24 | Light modulation executor for automobile headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101469839B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947930A (en) * | 2010-08-31 | 2011-01-19 | 重庆长安汽车股份有限公司 | External dimming motor installation assembly of front combined light of automobile |
| CN102638129B (en) * | 2012-04-09 | 2013-12-25 | 上海小糸车灯有限公司 | Miniature DC (direct current) dimming motor for automotive headlamp |
| CN102853379B (en) * | 2012-06-18 | 2014-04-02 | 上海小糸车灯有限公司 | Self-adapting light dimming mechanism |
| CN105042485B (en) * | 2015-06-30 | 2018-10-12 | 芜湖倍思科创园有限公司 | A kind of electric lighting |
| CN106678744B (en) * | 2016-11-10 | 2019-04-12 | 浙江吉利控股集团有限公司 | Headlight for vehicles mechanism with an automatic light meter |
| CN108454499A (en) * | 2018-04-16 | 2018-08-28 | 华域视觉科技(上海)有限公司 | A kind of direct current light-modulating motor adjusted for car light automatic horizontal |
| CN116792716B (en) * | 2023-08-28 | 2023-11-07 | 常州星宇车灯股份有限公司 | Linkage support limiting and guiding device |
Citations (13)
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|---|---|---|---|---|
| CN2083124U (en) * | 1990-12-03 | 1991-08-21 | 贺旭晖 | Automatic dimming means of automotive vehicle |
| CN2187566Y (en) * | 1993-07-30 | 1995-01-18 | 陈宝诚 | Motive vehicle light adjuster |
| EP0652133A1 (en) * | 1993-10-21 | 1995-05-10 | Trw Inc. | Headlamp adjusting system for vehicles |
| EP0716954A2 (en) * | 1994-12-14 | 1996-06-19 | Ichikoh Industries Limited | Optical axis adjusting device for front illumination lamp |
| CN2375508Y (en) * | 1999-06-03 | 2000-04-26 | 刘兆东 | Rotatable vehicle lamp |
| EP1122127A2 (en) * | 2000-02-02 | 2001-08-08 | Ichikoh Industries Limited | Optical axis adjusting apparatus in head light for automobile |
| CN1306923A (en) * | 2000-02-04 | 2001-08-08 | 株式会社小糸制作所 | Vehicle lighting system |
| CN2499276Y (en) * | 2001-09-27 | 2002-07-10 | 武进市小河交通灯具厂 | Light regulator for vehicle front lamp |
| CN2559096Y (en) * | 2002-07-03 | 2003-07-02 | 上海小糸车灯有限公司 | Automotive lamp light-modulating steering device |
| CN1430012A (en) * | 2001-12-25 | 2003-07-16 | 株式会社小糸制作所 | Headlight for vehicle with adjustable mirror |
| CN2598801Y (en) * | 2002-11-22 | 2004-01-14 | 张藏虎 | Automatic varifocal car headlight |
| CN2752103Y (en) * | 2004-11-19 | 2006-01-18 | 姚流文 | Distance and near lamp dimming means for vehicle lamp |
| CN2845300Y (en) * | 2005-11-01 | 2006-12-06 | 上海小糸车灯有限公司 | Step motor for regulating headlights of vehicle |
-
2007
- 2007-12-24 CN CN200710172874A patent/CN101469839B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083124U (en) * | 1990-12-03 | 1991-08-21 | 贺旭晖 | Automatic dimming means of automotive vehicle |
| CN2187566Y (en) * | 1993-07-30 | 1995-01-18 | 陈宝诚 | Motive vehicle light adjuster |
| EP0652133A1 (en) * | 1993-10-21 | 1995-05-10 | Trw Inc. | Headlamp adjusting system for vehicles |
| EP0716954B1 (en) * | 1994-12-14 | 2001-09-05 | Ichikoh Industries Limited | Optical axis adjusting device for front illumination lamp |
| EP0716954A2 (en) * | 1994-12-14 | 1996-06-19 | Ichikoh Industries Limited | Optical axis adjusting device for front illumination lamp |
| CN2375508Y (en) * | 1999-06-03 | 2000-04-26 | 刘兆东 | Rotatable vehicle lamp |
| EP1122127A2 (en) * | 2000-02-02 | 2001-08-08 | Ichikoh Industries Limited | Optical axis adjusting apparatus in head light for automobile |
| CN1306923A (en) * | 2000-02-04 | 2001-08-08 | 株式会社小糸制作所 | Vehicle lighting system |
| CN2499276Y (en) * | 2001-09-27 | 2002-07-10 | 武进市小河交通灯具厂 | Light regulator for vehicle front lamp |
| CN1430012A (en) * | 2001-12-25 | 2003-07-16 | 株式会社小糸制作所 | Headlight for vehicle with adjustable mirror |
| CN2559096Y (en) * | 2002-07-03 | 2003-07-02 | 上海小糸车灯有限公司 | Automotive lamp light-modulating steering device |
| CN2598801Y (en) * | 2002-11-22 | 2004-01-14 | 张藏虎 | Automatic varifocal car headlight |
| CN2752103Y (en) * | 2004-11-19 | 2006-01-18 | 姚流文 | Distance and near lamp dimming means for vehicle lamp |
| CN2845300Y (en) * | 2005-11-01 | 2006-12-06 | 上海小糸车灯有限公司 | Step motor for regulating headlights of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101469839A (en) | 2009-07-01 |
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Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |