CN102853379B - Self-adapting light dimming mechanism - Google Patents
Self-adapting light dimming mechanism Download PDFInfo
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- CN102853379B CN102853379B CN201210325980.3A CN201210325980A CN102853379B CN 102853379 B CN102853379 B CN 102853379B CN 201210325980 A CN201210325980 A CN 201210325980A CN 102853379 B CN102853379 B CN 102853379B
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- roller
- fixed mount
- gear
- support
- dimming mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/698—Shaft-shaped screens rotating along its longitudinal axis
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The invention relates to a lighting device or functional characteristics or components of a lighting system, in particular to a self-adapting light dimming mechanism which can change the property and distribution of lumination by adjusting the components. The self-adapting light dimming mechanism comprises a rolling shaft 1, a rolling shaft bracket 2, a motor 3 and a fixing bracket 4 and is arranged between a light source component F1 and a lenses component F3 of a car lamp; the rolling shaft bracket 2 is connected to the fixing bracket 4 in a manner of a moving pair or a rotating pair; a rolling shaft gear 1a is meshed with a fixing bracket meshing component 4a; a rolling shaft bracket meshing component 2a is meshed with a motor gear 3a; and the motor 3 drives the rolling shaft bracket 2 to move or rotate and drives the rolling shaft 1 to roll along the meshing line of the rolling shaft gear 1a and the fixing bracket meshing component 4a. The rolling shaft is not influenced by friction when rolling, the transmission is accurate and stable, the situation that the rotation angle and cut-off line position are deviated due to assembly clearance can be avoided, and lighting light shape quivering resulting from looseness of the rolling shaft can be avoided during driving, so that the self-adapting light dimming mechanism is more durable and stable.
Description
The present invention requires that application number is 201220287222.2, the applying date is the national priority of the Chinese utility model patent application " a kind of self adaptation dimming mechanism " on June 18th, 2012.
Technical field
The present invention relates to functional character or the parts of a kind of lighting device or its system, relate in particular to by means of regulating parts to change the self adaptation dimming mechanism of luminous characteristic and distribution.
Background technology
Self adaptation vehicle light illumination system can switch to different light illumination modes according to condition of road surface, as highway mode, urban road pattern, backroad pattern, far lighting pattern and self adaptation far lighting pattern etc.The characteristics of luminescence and the distribution (light shape) of different light illumination mode lower lighting devices are different.Be used for realizing the illumination light shape of different light illumination modes, and the dimming mechanism that can switch is as required called self adaptation dimming mechanism between different light illumination modes.
Europatent EP2088364A1 has described a kind of self adaptation dimming mechanism, parts such as motor, wiring board, travelling gear, driven wheel, rotating shaft, support, fixed mounts, consists of.Axle sleeve and driven wheel are contained in respectively the two ends of rotating shaft, and driven wheel and rotating shaft are fixed, and can take axial line as pivot rotation together with rotating shaft.Motor shaft, axle sleeve, driven wheel, travelling gear and wiring board are by being fixedly connected with bracket holder.Its light modulation principle is:
1, by wiring board, control the anglec of rotation of motor.
2, motor drives driven wheel and rotating shaft to rotate a certain angle by travelling gear.
3, rotating shaft is designed to specific shape, and rotating shaft forms difform dead line while rotating to different angles.
4, the light part that light source assembly sends is blocked by rotating shaft, and all the other light are irradiated to road surface after lens subassembly, and its illumination light shape is depended on the shape of dead line.When extremely different angles is rotated in rotating shaft, the shape of dead line is also different, thereby reaches the object that changes the light shape that is irradiated to the light on road surface.
Yet the shortcoming of above-mentioned light adjusting system is:
1, in rotating shaft rotary course, because existing to rub, produce wearing and tearing, make rotating shaft loosening, cause illumination light shape in driving process to produce shake;
2, the anglec of rotation deviation that easily causes rotating shaft between motor, travelling gear, driven wheel and rotating shaft because of fit-up gap, makes the position of dead line produce deviation, affects the stable of illumination light shape;
3, adopt rotating shaft rotation to realize light shape and regulate, its adjustable range is subject to the restriction of rotating shaft diameter, if expand adjustable range, must increase rotating shaft diameter, thereby be subject to the restriction of car light inner space.
Summary of the invention
The object of the present invention is to provide a kind of self adaptation dimming mechanism, the mode that adopts roller bearing to roll realizes the variation of dead line, and solution rotating shaft is worn loose to move to damage and caused the shake of illumination light shape and fit-up gap to cause the unsettled technical problem of light shape.
The present invention solves the problems of the technologies described above adopted technical scheme:
A self adaptation dimming mechanism, comprises roller bearing 1, roller support 2, motor 3 and fixed mount 4, and described self adaptation dimming mechanism F2 is placed between the light source assembly F1 and lens subassembly F3 of car light, it is characterized in that:
The mode that described self adaptation dimming mechanism F2 adopts roller bearing to roll realizes the variation of dead line, replaces rotating shaft rotation realize light shape and regulate with roller bearing, and its adjustable range is that roller bearing diameter and barrel shift are apart from sum;
The one or both ends of described roller bearing 1 are fixedly connected with roller gear 1a, on described roller support 2, be fixedly connected with roller support joggle piece 2a, on the output shaft of described motor 3, be fixedly connected with motor gear 3a, on described fixed mount 4, be fixedly connected with fixed mount joggle piece 4a;
Described roller support 2 is connected on described fixed mount 4 in the mode of moving sets or revolute pair;
Described roller gear 1a and described fixed mount joggle piece 4a engagement; Described roller support joggle piece 2a and described motor gear 3a engagement;
Described motor 3, by described motor gear 3a and described roller support joggle piece 2a, drives roller support 2 to move or rotate, and drives roller bearing 1 to roll along the path of contact of roller gear 1a and fixed mount joggle piece 4a.
A kind of preferably technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that described fixed mount 4 is provided with guide groove 4b, and described roller support 2 is placed in described guide groove 4b and forms moving sets; Described roller support joggle piece is the support tooth bar 2a being fixedly connected on roller support 2, and described fixed mount joggle piece is the stationary rack 4a being fixedly connected on fixed mount 4; Described motor gear 3a drives described support tooth bar 2a, drives the relative fixed mount 4 of roller support 2 to move up and down, and by described roller gear 1a, drives roller bearing 1 along the path of contact scroll-up/down of shaft gear 1a and stationary rack 4a.
A kind of better technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that described fixed mount 4 is provided with rack shaft hole 4c, and described roller support 2 two ends are provided with support shaft 2b, and described support shaft 2b is placed in described rack shaft hole 4c and forms revolute pair; Described fixed mount joggle piece is the arc stationary rack 4a being fixed on fixed mount, and described roller support joggle piece is the support gear 2a that is fixed on 2b on described support shaft; Described motor gear 3a driving arm gear 2a, drives roller support 2 to swing up and down around the relative fixed mount 4 of roller support pivot D ', and by described roller gear 1a, drives roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and arc stationary rack 4a.
A kind of better technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that described roller gear 1a center overlaps with the pivot D of roller bearing 1.
A kind of improved technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that described self adaptation dimming mechanism F2 and car light form integral structure, and described fixed mount 4 is parts of the common component of light source assembly F1.
A kind of further improved technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that described self adaptation dimming mechanism is assembled into independently assembly, is fixedly attached on light source assembly F1 by fixed mount 4.
A kind of preferred technical scheme of self adaptation dimming mechanism of the present invention, is characterized in that the shape of dead line 1c and the illumination light shape of car light of described roller bearing 1 is consistent; When roller bearing 1 is rolled into diverse location, the shape of described dead line 1c is the illumination light shape under different driving conditions corresponding to vehicle.
The invention has the beneficial effects as follows:
1. self adaptation dimming mechanism provided by the invention, the mode that adopts roller bearing to roll realizes the variation of dead line, and roller bearing is not affected by frictional force while rolling, can avoid the illumination light shape shake causing because rotating shaft is loosening in driving process;
2. self adaptation dimming mechanism of the present invention, its roller bearing adopts rack-and-pinion drive mechanism, has transmission accurate, steadily, can avoid the anglec of rotation and the dead line position that because of fit-up gap, cause to produce deviation, more durable and stable while making the operation of self adaptation dimming mechanism;
3. self adaptation dimming mechanism of the present invention, adopt roller bearing to replace rotating shaft rotation and realize the adjusting of light shape, its adjustable range is that roller bearing diameter and barrel shift are apart from sum, therefore can under the prerequisite that does not increase roller bearing diameter, expand adjustable range, thereby reduce the restriction of car light inner space to dimming mechanism.
Accompanying drawing explanation
Fig. 1 is the assembly relation schematic diagram of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 2 is the structural representation of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 4 is the assembly relation schematic diagram of self adaptation dimming mechanism the second embodiment of the present invention;
Fig. 5 is the structural representation of self adaptation dimming mechanism the second embodiment of the present invention;
Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of self adaptation dimming mechanism the second embodiment of the present invention.
Fig. 7 is the assembly relation decomposing schematic representation of self adaptation dimming mechanism the second embodiment of the present invention;
The label of each parts in above figure: 1-roller bearing, 1a-roller gear, the axle head of 1b-roller bearing, the dead line of 1c-roller bearing, 2-roller support, 2a-roller support joggle piece, 2b-support shaft, 2c-roller bearing axis hole, 3-motor, 3a-motor gear, 4-fixed mount, 4a-fixed mount joggle piece, 4b-guide groove, 4c-rack shaft hole, D-roller bearing pivot, D '-roller support pivot, F1-light source assembly, F2-self adaptation dimming mechanism, F3-lens subassembly, F4-bolt.
The specific embodiment
In order to understand better technique scheme of the present invention, below in conjunction with drawings and Examples, describe in detail further.
First embodiment of self adaptation dimming mechanism of the present invention as Figure 1-3, comprise roller bearing 1, roller support 2, motor 3 and fixed mount 4, self adaptation dimming mechanism F2 is placed between the light source assembly F1 and lens subassembly F3 of car light, when described roller bearing 1 rotates to diverse location, described roller bearing 1 presents difform dead line 1c, in the light path between light source assembly F1 and lens subassembly F2, the light shape that projection forms car light distributes.As shown in Figures 2 and 3, the two ends of roller bearing 1 are respectively provided with a roller gear 1a, are fixedly connected with roller support joggle piece 2a on roller support 2, are fixedly connected with motor gear 3a on the output shaft of motor 3, are fixedly connected with fixed mount joggle piece 4a on fixed mount 4.In this embodiment, fixed mount 4 is provided with guide groove 4b, and described roller support 2 is placed in described guide groove 4b and forms moving sets; Described roller support joggle piece is two support tooth bar 2a that are fixedly connected on roller support 2 both sides, and described fixed mount joggle piece is two stationary rack 4a that are fixedly connected on fixed mount 4 both sides, referring to Fig. 2 and Fig. 3.The roller gear 1a at roller bearing 1 two ends meshes with the stationary rack 4a of fixed mount 4 both sides respectively, the support tooth bar 2a on roller support 2 right sides and motor gear 3a engagement.Described motor 3 is fixedly connected on fixed mount 4, is fixedly connected with motor gear 3a, referring to Fig. 3 on the output shaft of motor 3.Described motor 3 is by described motor gear 3a and described roller support joggle piece 2a, drive roller support 2 relative fixed mount 4 in guide groove 4b to move up and down, and by described roller gear 1a, drive roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and stationary rack 4a.
The operation principle of the present embodiment is:
Second embodiment of self adaptation dimming mechanism of the present invention is as shown in Fig. 4-7, as different from Example 1, the both sides of described fixed mount 4 are respectively provided with a rack shaft hole 4c, described roller support 2 two ends are provided with support shaft 2b, and described support shaft 2b is placed in described rack shaft hole 4c and forms revolute pair; Described fixed mount joggle piece 4a is the arc-shaped rack that is fixed on fixed mount right side, and described roller support joggle piece 2a is the gear being fixed on the support shaft 2b of roller support 2 one end; Under described motor gear 3a drives, described support gear 2a drives roller support 2, around the relative fixed mount 4 of roller support pivot D ', swing up and down, and by described roller gear 1a, drive roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and arc stationary rack 4a.
The operation principle of the present embodiment is:
In above two embodiment of self adaptation dimming mechanism of the present invention, described roller gear 1a center overlaps with the pivot D of roller bearing 1.In other embodiment, roller gear 1a center also can be different from the pivot D of roller bearing 1, that is to say, the requirement that roller bearing 1 can regulate according to light shape is configured to eccentric pivoted cams structure.
In the embodiment of self adaptation dimming mechanism of the present invention, the appearance profile of described roller bearing 1 is to require design according to the illumination light shape of car light, the dead line 1c of roller bearing 1, the shape of the top edge of axial cutting plane when namely roller bearing 1 is rolled to a certain position is consistent with the requirement that the illumination light shape of car light is designed; When roller bearing 1 is rolled into diverse location, the shape of described dead line 1c is the illumination light shape under different driving conditions corresponding to vehicle.The light part that light source assembly F1 sends, the roller bearing 1 that is subject to self adaptation dimming mechanism F2 blocks, and all the other light are irradiated to road surface after lens subassembly F3, and the illumination light shape of formation is depended on the shape of dead line 1c.When roller bearing 1 is rolled into diverse location, the shape of dead line 1c is also different, thereby realize according to different driving conditions, changes the object that is irradiated to the illumination light shape on road surface.
In above two embodiment of self adaptation dimming mechanism of the present invention, described self adaptation dimming mechanism F2 is assembled into independently assembly, and described fixed mount 4 is fixedly attached on light source assembly F1 by bolt F4.In other embodiment, described self adaptation dimming mechanism F2 also can form integral structure with car light, and described fixed mount 4 is parts of the global facility of light source assembly F1.
Those of ordinary skill in the art will be appreciated that; above embodiment is only for technical scheme of the present invention is described; and be not used as limitation of the invention; any variation of the above embodiment being done based on connotation of the present invention, modification, all will drop in the protection domain of claim of the present invention.
Claims (7)
1. a self adaptation dimming mechanism, comprises roller bearing (1), roller support (2), motor (3) and fixed mount (4), and described self adaptation dimming mechanism (F2) is placed between the light source assembly (F1) and lens subassembly (F3) of car light, it is characterized in that:
The mode that described self adaptation dimming mechanism (F2) adopts roller bearing to roll realizes the variation of dead line, replaces rotating shaft rotation realize light shape and regulate with roller bearing (1), and its adjustable range is that roller bearing diameter and barrel shift are apart from sum;
The one or both ends of described roller bearing (1) are fixedly connected with roller gear (1a), on described roller support (2), be fixedly connected with roller support joggle piece (2a), on the output shaft of described motor (3), be fixedly connected with motor gear (3a), on described fixed mount (4), be fixedly connected with fixed mount joggle piece (4a);
Described roller support (2) is connected on described fixed mount (4) in the mode of moving sets or revolute pair;
Described roller gear (1a) meshes with described fixed mount joggle piece (4a); Described roller support joggle piece (2a) and described motor gear (3a) engagement;
Described motor (3), by described motor gear (3a) and described roller support joggle piece (2a), drives roller support (2) to move or rotates, and drives roller bearing (1) to roll along roller gear (1a) and the path of contact of fixed mount joggle piece (4a).
2. self adaptation dimming mechanism according to claim 1, is characterized in that described fixed mount (4) is provided with guide groove (4b), and described roller support (2) is placed in described guide groove (4b) and forms moving sets; Described roller support joggle piece is the support tooth bar (2a) being fixedly connected on roller support (2), and described fixed mount joggle piece is the stationary rack (4a) being fixedly connected on fixed mount (4); Described motor gear (3a) drives described support tooth bar (2a), drive the relative fixed mount (4) of roller support (2) to move up and down, and by described roller gear (1a), drive roller bearing (1) along the path of contact scroll-up/down of shaft gear (1a) and stationary rack (4a).
3. self adaptation dimming mechanism according to claim 1, it is characterized in that described fixed mount (4) is provided with rack shaft hole (4c), described roller support (2) two ends are provided with support shaft (2b), and described support shaft (2b) is placed in described rack shaft hole (4c) and forms revolute pair; Described fixed mount joggle piece is the arc stationary rack (4a) being fixed on fixed mount, and described roller support joggle piece is the support gear (2a) that is fixed on (2b) on described support shaft; Described motor gear (3a) drives described support gear (2a), drive roller support (2) around roller support pivot (D ') relatively fixed mount (4) swing up and down, and by described roller gear (1a), drive roller bearing (1) along the path of contact scroll-up/down of roller gear (1a) and arc stationary rack (4a).
4. according to the self adaptation dimming mechanism described in arbitrary claim of claims 1 to 3, it is characterized in that the described center of roller gear (1a) and the pivot (D) of roller bearing (1) overlap.
5. according to the self adaptation dimming mechanism described in arbitrary claim of claims 1 to 3, it is characterized in that described self adaptation dimming mechanism (F2) and car light form integral structure, described fixed mount (4) is a part for the common component of light source assembly (F1).
6. according to the self adaptation dimming mechanism described in arbitrary claim of claims 1 to 3, it is characterized in that described self adaptation dimming mechanism is assembled into black box, is fixedly attached on light source assembly (F1) by fixed mount (4).
7. according to the self adaptation dimming mechanism described in arbitrary claim of claims 1 to 3, it is characterized in that the shape of dead line (1c) and the illumination light shape of car light of described roller bearing (1) is consistent; When roller bearing (1) is rolled into diverse location, the shape of described dead line (1c) is the illumination light shape under different driving conditions corresponding to vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325980.3A CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220287222.2 | 2012-06-18 | ||
| CN201220287222 | 2012-06-18 | ||
| CN201210325980.3A CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853379A CN102853379A (en) | 2013-01-02 |
| CN102853379B true CN102853379B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210325980.3A Active CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764945A (en) * | 2016-11-24 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | The mounting structure of car light light-modulating motor support, vehicle lamp assembly and automobile |
| CN109027956A (en) * | 2017-04-14 | 2018-12-18 | 武汉流塑自动化装备有限公司 | A kind of adaptive front lamp dimming mechanism |
| CN106939992A (en) | 2017-05-14 | 2017-07-11 | 上海小糸车灯有限公司 | A kind of lamp system based on PBS optical splitters |
| EP3505816A1 (en) * | 2017-12-26 | 2019-07-03 | Johnson Electric International AG | An optical conversion device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285360A (en) * | 1991-12-16 | 1994-02-08 | Textron Inc. | Automotive headlamp adjuster |
| US5373424A (en) * | 1992-10-21 | 1994-12-13 | Koito Manufacturing Co., Ltd. | Automotive projection headlamp |
| JP2812149B2 (en) * | 1993-07-01 | 1998-10-22 | トヨタ自動車株式会社 | Headlight device for vehicles |
| FR2868507B1 (en) * | 2004-04-02 | 2006-11-24 | Valeo Vision Sa | PROJECTOR DEVICE WITH PIVOTING SHUTTER MECHANISM |
| KR20070094331A (en) * | 2006-03-17 | 2007-09-20 | 에스엘 주식회사 | Rotating-typed lamp shield driving apparatus providing multiple shield patterns, and lamp assembly using the same |
| CN101469839B (en) * | 2007-12-24 | 2012-09-05 | 上海小糸车灯有限公司 | Light modulation executor for automobile headlamp |
| ATE530849T1 (en) * | 2008-02-08 | 2011-11-15 | Hella Kgaa Hueck & Co | PROJECTION HEADLIGHTS FOR VEHICLES |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
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