CN102923046B - Automobile headlamp adjusting device with spherical pair structure - Google Patents
Automobile headlamp adjusting device with spherical pair structure Download PDFInfo
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- CN102923046B CN102923046B CN201210438789.XA CN201210438789A CN102923046B CN 102923046 B CN102923046 B CN 102923046B CN 201210438789 A CN201210438789 A CN 201210438789A CN 102923046 B CN102923046 B CN 102923046B
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- spherical shell
- motor
- outer spherical
- pitching
- spherical casing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2200/00—Special features or arrangements of vehicle headlamps
- B60Q2200/30—Special arrangements for adjusting headlamps, e.g. means for transmitting the movements for adjusting the lamps
- B60Q2200/32—Ball-joints
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to an automobile headlamp adjusting device with a spherical pair structure. The automobile headlamp adjusting device comprises a support frame arranged in a projection type headlamp shade, wherein the support frame is hinged to an outer spherical casing through a left support plate and a right support plate. An inner spherical casing is wrapped on the outer spherical casing to form a spherical pair, the front side of the inner spherical casing is provided with a projection type headlamp body, the back side of the outer spherical casing is provided with a motor rotating mechanism for driving the inner spherical casing to rotate horizontally and a motor transmission mechanism for driving the outer spherical casing to perform pitching swinging, the motor rotating mechanism is a gear and rack mechanism driven by a motor, and the outer spherical casing drives the inner spherical casing to synchronously perform the pitching swinging when performs the pitching swinging. The automobile headlamp adjusting device can provides active lighting and adapt to different gestures of an automobile body when the automobile turns, automatically adjusts horizontal deflection angles of headlamp light beams and pitching irradiation tilt angles, can meet the demands of actual road conditions well, and accordingly can improve the safety in running under the different road conditions, reduce the fatigue of a driver driving the automobile and strengthen the safety and comfort in driving.
Description
Technical field
The present invention relates to a kind of spherical pair structure automobile headlight regulating device.
Background technology
Self-adaptive headlamp system (AFS) is as one of state-of-the-art automobile lighting system in the world today, mainly by projector headlight, headlight regulating device and control system three parts, formed, the bad visibility problem that it exists in the time of can improving vehicle going at night, especially when S type negotiation of bends, effect is more obvious.Thereby the lamp light control system of self-adaptive headlamp system provides prediction road ahead situation on the illumination light type of the different modes such as turning, cross roads, expressway, urban pavement, rainy day, sensor in conjunction with vehicle equipment itself, the Intelligent Light-control System of AFS can automatically adjust the distance of light beam irradiates, the width of the irradiation area power of brightness even, while reducing meeting, vehicle produces the possibility of dazzling effect, expand irradiation area, thereby greatly improve the active safety of automobile.
Open day is on April 1st, 2009, application number is the rotary executive device that the Chinese invention patent application file of CN 101396985A discloses a kind of automobile front shining lamp adjustment system, this device can only be realized horizontally rotating of head lamp, cannot realize its pitching, and the control accuracy horizontally rotating is very low, by Multi-stage transmission, error is easily accumulated, and the deviation of end product can be very large.And as a kind of active safety feature, realize effect and cannot accurately control, probably become a kind of safety hazard, easily cause traffic accident.
Open day is on May 26th, 2010, and publication number is that the Chinese invention patent application file of CN 101713513A discloses a kind of headlight for car, can only realize horizontally rotating of head lamp, cannot realize its pitching.Whole additional lamp is fixed by S. A., supports stable not.It controls the projecting direction of light beam by controlling catadioptre, will make catadioptre locate on the go always, and this can cause certain destruction to catadioptre undoubtedly.Control process less stable, and as a kind of active safety feature, stability is not high will become a kind of safety hazard, easily cause traffic accident.
Patent is on December 19th, 2006 in open day, publication number is that the U.S. Patent application file of US 7150547 B2 discloses " Turn Signal And Steering Responsive Adjustable Lighting Apparatus For Vehicle ", and this device cannot be realized the accurate control to left rotation and right rotation mechanism; Headlight regulating device and projector headlight just rely on an axis to fix, area of contact is less each other, and the less stable of control process, when vehicle is during at the road traveling jolting, AFS system easily produces shake, makes the precise control of head lamp pivot angle poor.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence makes improvements, be the technical problem to be solved in the present invention be to provide a kind ofly can horizontally rotate, pitching and the accurate spherical pair structure automobile headlight regulating device that moves, be conducive to vehicle and according to driving road-condition, automatically, accurately, stably adjust deflection angle and the pitching pivot angle of headlight beam, thereby improve the safety of different road conditions, night running, reduce the fatigue strength that chaufeur drives a car.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of spherical pair structure automobile headlight regulating device, comprise the bracing frame being arranged in projector headlight lampshade, support frame as described above is through a left side, right support plate is hinged with an outer spherical shell, described outer spherical shell is coated with an interior spherical shell to form spherical pair, described interior spherical shell front side is provided with projector headlight lamp body, the motor rotating mechanism that in described outer spherical shell rear side is provided with and drives, spherical shell horizontally rotates and the motor transmission mechanism that drives outer spherical shell pitching, described motor rotating mechanism is by motor-driven pinion and rack, the synchronous pitching of spherical shell in driving during described outer spherical shell pitching.
Further, described motor rotating mechanism comprises the gear that horizontally rotates stepping motor, is arranged at motor output shaft and the sector rack matching with gear, described sector rack is arranged on interior spherical shell rear side, and described outer spherical shell rear side offers the groove that manifests sector rack.
Further, described groove width equates with sector rack, and described groove length is greater than the arc length of sector rack and adapts with interior spherical shell feathering angle degree.
Further, described motor transmission mechanism comprises linear stepping motor, the bulb push rod being promoted by linear stepping motor and the ball seat nest matching with bulb push rod, and described ball seat nest is arranged at outer spherical shell rear side top or bottom.
Further, described outer spherical shell is spirally connected, fastens or be welded by upper half shell and lower half shell.
Compared with prior art, the present invention has following remarkable result: (1) adopts spherical pair structure, and support structure mode is stable, the area of contact of inside and outside spherical shell is large, has reduced the quantity of parts, has alleviated the weight of head lamp self, control process good stability, active safety is high; (2) use gear & rack structure, can realize the accurate execution of sensor signal, make horizontal deflection angle precisely controlled; (3) can not only provide active illumination to Ackermann steer angle, adapt to the different attitudes of vehicle body, automatically pivot angle is irradiated in deflection angle, the pitching of adjusting headlight beam, can well meet the demand of actual road conditions, thereby can improve the safety of different road conditions, night running, reduce the fatigue strength that chaufeur drives a car, strengthen safety and the traveling comfort driven.
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Accompanying drawing explanation
Fig. 1 is that the axle of the embodiment of the present invention measures intention one.
Fig. 2 is that the axle of the embodiment of the present invention measures intention two.
Fig. 3 is that the axle of the embodiment of the present invention measures intention three.
Fig. 4 is the exploded perspective view of the embodiment of the present invention.
Fig. 5 is the organigram of motor rotating mechanism.
Fig. 6 is globosity part sectional view of the present invention.
Fig. 7 is the organigram of motor transmission mechanism.
In figure: 00-right support plate, 01-left support plate, 02-lamp body, 03-lower half shell, spherical shell in 04-, 05-horizontally rotates stepping motor, 06-gear, 07-sector rack, 08-connecting bore, 09-bracing frame, 10,12-nut, 11-linear stepping motor, 13-bulb push rod, 14-ball seat nest, 15-upper half shell, 16-screw, 17-bearing, 18,19,20-set screws.
The specific embodiment
As shown in Fig. 1 ~ Fig. 7, a kind of spherical pair structure automobile headlight regulating device, comprise the bracing frame 09 being arranged in projector headlight lampshade, described projector headlight lampshade is each side installed one at the headstock of automobile, support frame as described above 09 left and right sides, bottom offers respectively one for the connecting bore 08 of connection body, passes connecting bore 08 bracing frame 09 is connected with projector headlight lampshade by bolt; Support frame as described above 09 is hinged with an outer spherical shell through left support plate 01 and right support plate 00, described outer spherical shell is coated with an interior spherical shell 04 to form spherical pair, described interior spherical shell 04 front side is provided with projector headlight lamp body 02 through bolt group 18, the motor rotating mechanism that in described outer spherical shell rear side is provided with and drives, spherical shell 04 horizontally rotates and the motor transmission mechanism that drives outer spherical shell pitching, described motor rotating mechanism is by motor-driven pinion and rack, the synchronous pitching of spherical shell 04 in driving during described outer spherical shell pitching.
In the present embodiment, described left support plate 01 and right support plate 00 through nut, be fixed on bracing frame 09 respectively and parallel relatively, described left support plate 01 and right support plate 00 offer respectively identical coaxial aperture on the relevant position, one end away from bracing frame 09, the bearing pin matching with coaxial aperture by bearing 17 is extended respectively in the described outer spherical shell left and right sides, guarantee that outer spherical shell freely carries out pitching, the axis of described coaxial aperture is the axis that projector headlight lamp body 02 carries out pitching, cross the axis that spherical shell and the spherical shell centre of sphere and the straight line vertical with sector rack 07 reference circle place plane horizontally rotate as projector headlight lamp body 02, thereby horizontal left-right rotation and the pitching function of car headlamp have been realized well.Described outer spherical shell is to be formed by screw 16 or Bolt Connection by upper half shell 15 and lower half shell 03, therefore bearing pin is comprised of the extended semicylinder of upper half shell 15 and the extended semicylinder of lower half shell 03; Certainly the structure of described outer spherical shell also can be comprised of left half shell and right half shell, and its connection mode is also not limited to and is spirally connected, and can also be the fastening of welding or buckle-type.
In the present embodiment, described motor rotating mechanism comprises and horizontally rotates stepping motor 05, be arranged at the gear 06 of motor output shaft and the sector rack 07 matching with gear 06, describedly horizontally rotate that stepping motor 05 is arranged in the groove of lower half shell 03 rear side and fixing by set screws 19, described sector rack 07 is arranged on interior spherical shell 04 rear side by set screws 20, described sector rack 07 is sphere with the contact surface of interior spherical shell 04, described outer spherical shell rear side offers in the junction of upper half shell 15 and lower half shell 03 groove that manifests sector rack 07, the engagement limits of described groove and sector rack 07 rotational freedom between interior spherical shell 04 and outer spherical shell.Described groove width equates with sector rack 07, described groove length is greater than the arc length of sector rack 07 and horizontally rotates angle with interior spherical shell 04 and adapts, shown in sector rack 07 reference circle place plane parallel with horizontal surface, while making interior spherical shell 04 and outer spherical shell carry out pitching, form one.
In the present embodiment, described motor transmission mechanism comprises linear stepping motor 11, the bulb push rod 13 being promoted by linear stepping motor 11 and the ball seat nest 14 matching with bulb push rod 13, the output shaft of described linear stepping motor 11 is designed to cylinder chamfered edge shape (enlarged view part in Fig. 7), thereby make in its axis hole that is stuck in bracing frame 09, limit its a plurality of degree of freedom, by nut 12, be fixed, thereby linear stepping motor 11 is being arranged on bracing frame 09; Described bulb push rod 13 adds through nut 10 on the output shaft that is connected on linear stepping motor 11, and its one end is designed to bulb-type, and described ball seat nest 14 is arranged at outer spherical shell rear side top, and described bulb-type rod end and ball seat nest 14 form higher pair; Certainly, described ball seat nest 14 also can be arranged at outer spherical shell rear side bottom.
In the present embodiment, this spherical pair structure automobile headlight regulating device is realized and being connected with car body by connecting bore 08 and the bolt of bracing frame 09 bottom, described car body is provided with steering wheel angle sensor, and described steering wheel angle sensor signal is controlled motor rotating mechanism work through intelligent controller; Described car body is provided with height sensor, speed sensor, and described sensor signal is controlled motor transmission mechanism work through intelligent controller.
Pitching turns to adjustment: when body gesture changes and causes that the light beam of head lamp and the angle on ground change, the height sensor being arranged on vehicle body detects the changing value of bodywork height and passes to controller, controller calculates the angle that 02 pitching of projector headlight lamp body turns to, and produce corresponding signal control linear stepping motor 11 output shafts elongations or shrink, make supporting mechanism drive projector headlight lamp body 02 to rotate around pitching axis.
Left and right turn is adjusted: work as Ackermann steer angle, each sensor obtains the signals such as steering angle, turn radius, the speed of a motor vehicle, these information are passed to controller, by controller, calculated the angle of projector headlight lamp body 02 left and right turn, and produce corresponding signal level control rotaty step motor 05 and rotate, drive sector rack 07 to rotate, thereby drive projector headlight lamp body 02 to rotate around horizontal rotation axis.
Adopt the such structure of the present invention, when the state of kinematic motion of vehicle changes, as: when turning, acceleration and deceleration, uphill/downhill, high low speed driving, back seat have passenger to take, the illuminating effect generation respective change of head lamp.Utilize structure of the present invention to realize vehicle in dynamic movement process, self-adaptive headlamp system can be according to different state of kinematic motions, automatically, accurately, stably adjust the irradiating angle of projector headlight, make it in pitch orientation, maintain certain range of exposures.When Vehicular turn, according to car speed sensor, the sensors such as steering wheel angle sensor are passed to the signal of controller, controller calculates projector headlight left and right turn angle, and drive winding machine of the present invention to turn to, thereby for the turning of vehicle provides clear bright road illumination environment, improve the active safety of driving.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. a spherical pair structure automobile headlight regulating device, comprise the bracing frame being arranged in projector headlight lampshade, it is characterized in that: support frame as described above is through a left side, right support plate is hinged with an outer spherical shell, described outer spherical shell is coated with an interior spherical shell to form spherical pair, described interior spherical shell front side is provided with projector headlight lamp body, the motor rotating mechanism that in described outer spherical shell rear side is provided with and drives, spherical shell horizontally rotates and the motor transmission mechanism that drives outer spherical shell pitching, described motor rotating mechanism is by motor-driven pinion and rack, the synchronous pitching of spherical shell in driving during described outer spherical shell pitching.
2. spherical pair structure automobile headlight regulating device according to claim 1, it is characterized in that: described motor rotating mechanism comprises the gear that horizontally rotates stepping motor, is arranged at motor output shaft and the sector rack matching with gear, described sector rack is arranged on interior spherical shell rear side, and described outer spherical shell rear side offers the groove that manifests sector rack.
3. spherical pair structure automobile headlight regulating device according to claim 2, is characterized in that: described groove width equates with sector rack, and described groove length is greater than the arc length of sector rack and adapts with interior spherical shell feathering angle degree.
4. spherical pair structure automobile headlight regulating device according to claim 1, it is characterized in that: described motor transmission mechanism comprises linear stepping motor, the bulb push rod being promoted by linear stepping motor and the ball seat nest matching with bulb push rod, and described ball seat nest is arranged at outer spherical shell rear side top or bottom.
5. spherical pair structure automobile headlight regulating device according to claim 1, is characterized in that: described outer spherical shell is spirally connected, fastens or be welded by upper half shell and lower half shell.
6. spherical pair structure automobile headlight regulating device according to claim 1, is characterized in that: support frame as described above bottom offers the connecting bore for connection body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210438789.XA CN102923046B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp adjusting device with spherical pair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210438789.XA CN102923046B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp adjusting device with spherical pair structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102923046A CN102923046A (en) | 2013-02-13 |
| CN102923046B true CN102923046B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210438789.XA Expired - Fee Related CN102923046B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp adjusting device with spherical pair structure |
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| CN (1) | CN102923046B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024121310A1 (en) * | 2022-12-08 | 2024-06-13 | Valeo Vision | Illumination device for a motor vehicle headlight |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253181B (en) * | 2013-05-27 | 2015-08-12 | 常州星宇车灯股份有限公司 | The transmission device of AFS of automobile front light |
| CN103895561A (en) * | 2014-02-26 | 2014-07-02 | 芜湖勤惠科技有限公司 | Automobile front combined lamp installing support |
| CN109663255A (en) * | 2019-01-18 | 2019-04-23 | 山东绿屏工业消防设备有限公司 | Automatically controlled fire monitor inverting seat |
| CN110816394A (en) * | 2019-11-26 | 2020-02-21 | 广州市超亮电子科技有限公司 | Full-vision self-adaptive vehicle headlamp and control method thereof |
| FR3109621B1 (en) * | 2020-04-27 | 2022-04-08 | Valeo Vision | Automotive vehicle lighting device having a lensless appearance |
| CN111959387A (en) * | 2020-07-15 | 2020-11-20 | 芜湖市晟源电器有限公司 | Automobile headlamp steering device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005053381A (en) * | 2003-08-06 | 2005-03-03 | Mitsubishi Motors Corp | Light distribution control device for vehicular headlights |
| JP4667321B2 (en) * | 2005-10-06 | 2011-04-13 | 株式会社小糸製作所 | Vehicle lamp |
| CN101628556A (en) * | 2009-08-10 | 2010-01-20 | 奇瑞汽车股份有限公司 | Steering actuating mechanism of car lamp |
| CN201646541U (en) * | 2010-04-26 | 2010-11-24 | 福州大学 | Headlamp adjusting device |
| CN201800622U (en) * | 2010-08-31 | 2011-04-20 | 浙江科博达工业有限公司 | Adaptive system executing mechanism of vehicle headlamp |
| CN102632829A (en) * | 2012-04-18 | 2012-08-15 | 上海小糸车灯有限公司 | Reflector rotation supporting structure of AFS (Atomic Fluorescence Spectroscopy) light adjustment system |
| CN202879332U (en) * | 2012-11-07 | 2013-04-17 | 福州大学 | Automotive headlamp adjusting device with spherical pair structure |
-
2012
- 2012-11-07 CN CN201210438789.XA patent/CN102923046B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024121310A1 (en) * | 2022-12-08 | 2024-06-13 | Valeo Vision | Illumination device for a motor vehicle headlight |
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| CN102923046A (en) | 2013-02-13 |
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