CN204285338U - A kind of car light self adaptation dimming mechanism - Google Patents
A kind of car light self adaptation dimming mechanism Download PDFInfo
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- CN204285338U CN204285338U CN201420593605.1U CN201420593605U CN204285338U CN 204285338 U CN204285338 U CN 204285338U CN 201420593605 U CN201420593605 U CN 201420593605U CN 204285338 U CN204285338 U CN 204285338U
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Abstract
A kind of car light self adaptation far lighting system self adaptation dimming mechanism, the lens forming distance light unit comprise left and right (toward the front illumination direction) 2 unlike material lens (1a, 1b), described 2 unlike material (1a, a 1b) lens corresponding LED light source respectively, 2 the distance light unit (B1, B2) in composition left and right, form two independently left and right (toward the front illumination direction) distance light light shape (F1, F2).Distance light unit (B) is driven to be that pivot does left and right rotation with rotating shaft by adjusting part (5), thus, when camera detect opposite send a car or front has a vehicle time, a LED light source of one of 2 distance light unit extinguishes, form the distance light light shape of single distance light unit, again by the left rotation and right rotation of distance light unit, far lighting is made to dodge opposite or front vehicles.
Description
Technical field
The utility model relates to car lamp device, and particularly, the utility model relates to a kind of car light self adaptation far lighting system self adaptation dimming mechanism.The utility model utilizes light to inject by optically denser medium the principle that optically thinner medium can produce total reflection, in conjunction with bright, control of going out to plurality of LEDs light source, realize the illumination light shape required for self adaptation far lighting system, simultaneously by the position of motor control far lighting light shape, and realize final self adaptation far lighting light shape by the combination of left and right light shape.
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.Illumination light shape under different light illumination mode is different, is used for realizing the illumination light shape of different light illumination mode and the dimming mechanism that can carry out as required switching between different light illumination mode is called self adaptation dimming mechanism.
As EP2088364A1 patent document describes a kind of vehicle light illumination self adaptation dimming mechanism, described self adaptation dimming mechanism is made up of parts such as motor, wiring board, travelling gear, gear, rotating shaft, support, fixed supports.Axle sleeve and gear are contained in the two ends of rotating shaft respectively, and gear and rotating shaft are fixed, can together with rotating shaft with axial D for pivot rotates.Motor, rotating shaft, axle sleeve, tooth, travelling gear and wiring board are fixed by fixed support and support.
The light modulation principle of described vehicle light illumination self adaptation dimming mechanism is:
1, the anglec of rotation of motor is controlled by wiring board.
2, motor is rotated a certain angle by travelling gear driven wheel and rotating shaft.
3, rotating shaft 1 is designed to specific shape, makes to rotate to forming difform dead line during different angles in rotating shaft.
4, the light part that light-source system F sends is blocked by rotating shaft, and all the other light are irradiated to road surface after lens subassembly, and its illumination light shape depends on the shape of dead line.Rotating shaft rotates to the shape of dead line during different angles also different, thus reaches the object changing the light light shape be irradiated on road surface.
But the shortcoming of above-mentioned vehicle light illumination self adaptation dimming mechanism is:
Produce wearing and tearing because there is friction in rotating shaft 11 rotary course, rotating shaft is loosened, cause illumination light shape in driving conditions to produce shake.
Easily cause the anglec of rotation deviation of rotating shaft 1 between motor, travelling gear 1, moving gear and rotating shaft because of fit-up gap, make the position of dead line produce deviation, affect the stable of illumination light shape.
When regulating the right position of light shape, rotation motor needs to drive whole instant and near light finite element rotation, and the load that rotation motor bears is comparatively large, and the space taken is also relatively large.
Thus, make the structural instability of above-mentioned vehicle light illumination self adaptation dimming mechanism, be difficult to control accurately to illumination light shape, and the mode of position because of the light shape that adjusted instant and near light entirety by motor, its adjustment is not convenient, the weight of the parts be conditioned is large, volume large, and space structure is compact not.
Utility model content
For solving the problem, the purpose of this utility model is: provide a kind of car light self adaptation far lighting system self adaptation dimming mechanism, described a kind of car light self adaptation far lighting system self adaptation dimming mechanism adopt plurality of LEDs light source (2 and more than, be generally 2 to 5) and one or more lens by different refractivity form, lens can, insert injection moulding shaping by the Multi-step injection molding of the plastics of different refractivity material or by assemblying.Light is utilized to inject by optically denser medium the principle that optically thinner medium can produce total reflection, bright in conjunction with to plurality of LEDs light source, to go out control, (Fig. 4 is the signal of normal far lighting light shape to the illumination light shape realizing required for self adaptation far lighting system, the light shape signal that distance light shines on the vertical screen vertical with road), simultaneously by position (the motor rotation of motor control far lighting light shape, driving adjustment screw rotates, thus regulate the left rotation and right rotation of far lighting unit, the i.e. adjustment of the horizontal level of distance light light shape .), and by left, the combination of right light shape realizes final self adaptation far lighting light shape.
The utility model changes the light shape of far lighting by the light on and off of the control LED light source 2 of static state, structure is more stable, control more accurate, respond rapider, and because the weight of the parts be conditioned is lighter, volume is less, contribute to the less requirement to motor output torque, save space, structure is compacter.
For achieving the above object, the technical scheme of a kind of self adaptation far lighting system of the present utility model is as follows:
A kind of car light self adaptation dimming mechanism, described car light self adaptation dimming mechanism is used for car light self adaptation far lighting system, comprise: dipped beam unit A, by lens 1, LED light source 2, fin 3, radiation fin cover 4, be arranged at the distance light unit (B) that rotating shaft 4a on radiation fin cover 4 and governor motion assembly 5 form, it is characterized in that
Described radiation fin cover 4 is provided with cylindrical hole, and the bulb be provided with dipped beam unit A coordinates, and forms rotating shaft 4a,
The lens 1 of described formation distance light unit (B) comprise left and right (toward the front illumination direction) 2 unlike material lens (1a, 1b), described 2 unlike material (1a, a 1b) lens corresponding LED light source respectively, composition left and right (toward the front illumination direction) 2 distance light unit (B1, B2)
Wherein a kind of lens of material are optically denser medium, the lens of another kind of material are optically thinner medium, when utilizing light to enter optically thinner medium from optically denser medium, the principle of total reflection is produced at the interface of two media, make to form two independently left and right (toward the front illumination direction) distance light light shape (F1, F2) respectively by the light of two unlike material lens injections, simultaneously, the "cut-off"line of each self-forming vertical direction
Distance light unit B is driven with rotating shaft 4a for pivot does left and right rotation by adjusting part 5, thus, when camera detect opposite send a car or front has a vehicle time, the LED light source that distance light unit corresponding light in 2, left and right dredges lens extinguishes, form the distance light light shape with the single distance light unit of vertical "cut-off"line, the lens of described 2 distance light unit are arranged symmetrically with, then pass through the left rotation and right rotation of distance light unit, make far lighting dodge opposite or front vehicles.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, the material of described unlike material lens (1a, 1b) is selected from glass and the transparent plastic as PC and PMMA.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, described unlike material lens (1a, 1b) be by glass and the Multi-step injection molding as the transparent plastic of PC and PMMA is shaping, insert injection moulding or assembly.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, the LED light source of described 2 unlike material lens (1a, 1b) correspondence is identical.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, the refractive index of described unlike material lens (1a, 1b) is between 1.2 to 1.6.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, the refractive index of described unlike material lens (1a, 1b) is between 1.4 to 1.6.
According to a kind of car light self adaptation dimming mechanism described in the utility model, it is characterized in that, the LED light source that described lens are corresponding arranges two.
According to the utility model, the concrete material of described lens can be glass (with transparent plastic insert injection moulding), transparent plastic, as PC and PMMA etc., and can shaping, the insert injection moulding of Multi-step injection molding or by assemblying.Its refractive index is determined according to material, generally 1.2 to 1.6.
According to the utility model, described LED light source 2, many materials lens 1, fin 3 and radiation fin cover 4 form distance light unit B, when utilizing light to enter optically thinner medium from optically denser medium, the principle of total reflection is produced at the interface of two media, make to form two independently light shapes by the light of two lens injections, as shown in Figure 4.
According to the utility model, described LED light source 2 needs enough luminous fluxes, to meet regulation to have test point brightness requirement to distance light.A certain material 1a or the 1b of described LED light source 2 and corresponding many materials lens 1 are corresponding, and composition luminescence unit, forms the distance light shape of F1 light shape and F2 light shape, as shown in Figure 4 respectively.
According to the utility model, distance light unit B is driven to be that pivot does left and right rotation with 4a by adjusting part 5, as shown in Figure 5,6, when camera detect opposite send a car or front has a vehicle time, a LEDs of distance light unit extinguishes, and forms the light shape as Fig. 5, again by the left rotation and right rotation of distance light unit, make far lighting dodge opposite or front vehicles, avoid distance light to send a car and front vehicles driver causes and dazzles the eyes, far lighting function does not need whole extinguishing simultaneously.
According to the utility model, also can rotate distance light unit B up and down, rotate to be manual adjustments up and down, object avoids because the reasons such as assembling cause distance light light shape and dipped beam light shape to exceed deviation range.Because relevant laws and regulations regulation, the most bright spot of distance light, within the scope of 2 degree of dipped beam flex point, so will manually most for distance light bright spot is transferred within the scope of this, adjusted and has not just been needed to have adjusted again.And the left rotation and right rotation adjustment of distance light unit B is adjusted in real time by motor.Be that pivot does left and right rotation adjustment with 4a.
According to a kind of car light self adaptation far lighting system self adaptation dimming mechanism of the present utility model, described adjusting part C is driven by motor 6.
Described adjusting part C can referenced patent EP2088364A1 by the technology that motor drives.
Vehicle-mounted camera gathers information of road surface, judges its position when finding opposite vehicle or front vehicles, after calculating, executive signal is transferred to motor, and motor drives dimming mechanism to regulate the horizontal level of distance light, dodges and sends a car or front vehicles.
Operation principle of the present utility model is:
Light shape during normal vehicle operation as shown in Figure 4.When vehicle finds that road ahead is sent a car, signal is sent to car light, car light, by cutting out the LED light source 2 corresponding with material 1b, forms the light shape F1 required for self adaptation far lighting system, namely by control circui LED light on and off.
After the LED light source 2 corresponding with material 1b is closed, only have lens 1a luminous, because the light of scioptics 1a cannot enter lens 1b, form the light shape F1 with "cut-off"line required for self adaptation distance light.
When having "cut-off"line, the "cut-off"line of left lamp is by the right side of light shape, and right lamp keeps left.Correspondingly, during the closedown of corresponding described corresponding with material 1b LED light source, left lamp is kept right, namely the LED that lens 1b is corresponding closes, and right lamp is symmetrical, and that namely keep left is lens 1b, corresponding LED closes, and forms combined light shape Fig. 6 shown in after regulating eventually through motor.The region of left and right lamp intermediate blank is exactly send a car or the position of opposite vehicle, and now, this region does not have far lighting light.As shown in Figure 5.In addition, the combination of the right position of light shape F1 and left and right light shape F1 is regulated by motor.The combination of left and right light shape F1 needs to determine left and right lamp right position separately, so its light shape combined is dynamic according to opposite and the position of sending a car.Thus, form the light shape of final self adaptation far lighting system, as shown in Figure 6, avoiding the illumination to sending a car, preventing vehicular high beam illumination from producing the human pilot of sending a car and dazzling the eyes.
As shown in Figure 7, the light of lens 1b can enter 1a, and the light of lens 1a cannot enter lens 1b owing to being totally reflected, the light shape that lens 1a is formed thus is blocked by lens 1b, form the "cut-off"line of vertical direction, when the LED corresponding to lens 1b closes, the illumination light shape of lens 1a as shown in Figure 5.Again by the right position of motor adjusting brightness dead line, to avoid to send a car or front vehicles driver produces and dazzles the eyes.
Accompanying drawing explanation
Fig. 1 is a kind of car light self adaptation dimming mechanism schematic diagram of the present utility model.
Fig. 2 is the decomposing schematic representation of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 3 is the structural representation of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 4 is one of illumination light shape schematic diagram of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 5 is the illumination light shape schematic diagram two of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 6 is the illumination light shape schematic diagram three of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 7 A is the front view of a kind of car light self adaptation dimming mechanism of the present utility model.
Fig. 7 B be a kind of car light self adaptation dimming mechanism of the present utility model analyse view.
In figure, 1 is lens, 1a, 1b is respectively unlike material lens, and 2 is LED light source, and 3 is fin, 4 is radiation fin cover, and 4a is the rotating shaft be arranged on radiation fin cover, and 5 is governor motion assembly, A is dipped beam unit, and B1, B2 are respectively left and right distance light unit, D is bracket component, F1, F2 are respectively left and right (toward the front illumination direction) the distance light light shape that the left and right distance light unit B that is made up of 2, left and right unlike material lens (1a, 1b) is formed.
Detailed description of the invention
Below with embodiment, by reference to the accompanying drawings application examples of the present utility model is described further.
Embodiment
A kind of distance-light illuminator schematic diagram of the present utility model as shown in Figure 1, is made up of dipped beam unit A, distance light unit B, adjusting part C and bracket component D.Wherein motor and support are fixed, and are engaged by the adjustment screw of gear with adjusting part C.By the driving forward or backwards of motor, adjusting part can drive distance light unit B to take 4a as pivot left rotation and right rotation, namely regulates the right position of light shape F1.
The light shape F3 that dipped beam unit A sends as shown in Figure 4.Distance light light shape is made up of light shape F1 and light shape F2.Distance light light shape and dipped beam light shape composition illumination light shape.
When vehicle finds that road ahead is sent a car, signal is sent to car light, car light, by cutting out the LED light source 2 corresponding with material 1b, forms the light shape F1 required for self adaptation far lighting system, as shown in Figure 5.And the right position of light shape F1 is regulated by motor, and the combination of left and right light shape F1, form the light shape of final self adaptation far lighting system.
The utility model has the advantage of that the light on and off by the control LED light source 2 of static state change the light shape of far lighting, structure is more stable, controls more accurate, responds rapider.A kind of self adaptation far lighting system of the present utility model and dipped beam light shape are combined, come only to do to the position of distance light light shape the mode regulated by motor, than traditional mode being adjusted the position of the light shape of instant and near light entirety by motor, it is more convenient to regulate, the weight of the parts be conditioned is lighter, volume is less, contribute to the less requirement to motor output torque, and save space, make structure compacter.
Special declaration, the concrete shape in each portion and the technological process of manufacture in the above-described embodiment, be only shown in the utility model and specialize, and be one of effective example.These can not be used for limited interpretation technical scope of the present utility model.
Claims (6)
1. a car light self adaptation dimming mechanism, described car light self adaptation dimming mechanism is used for car light self adaptation far lighting system, comprise: dipped beam unit (A), by lens (1), LED light source (2), fin (3), radiation fin cover (4), be arranged at the distance light unit (B) that rotating shaft (4a) on radiation fin cover (4) and governor motion assembly (5) form, it is characterized in that
Described radiation fin cover (4) is provided with cylindrical hole, and the bulb be provided with dipped beam unit (A) coordinates, and forms rotating shaft (4a),
The lens of described formation distance light unit (B) comprise 2 unlike material lens (1a of left and right, toward the front illumination direction, 1b), described 2 unlike material (1a, a 1b) lens corresponding LED light source respectively, 2 distance light unit (B1 of composition left and right, toward the front illumination direction, B2)
Wherein a kind of lens of material are optically denser medium, the lens of another kind of material are optically thinner medium, when utilizing light to enter optically thinner medium from optically denser medium, the principle of total reflection is produced at the interface of two media, make distance light light shape (F1, F2) being formed two independently left and right, toward the front illumination directions by the light of two unlike material lens injection respectively, simultaneously, the "cut-off"line of each self-forming vertical direction
Distance light unit (B) is driven with rotating shaft (4a) for pivot does left and right rotation by adjusting part (5), thus, when camera detect opposite send a car or front has a vehicle time, the LED light source that distance light unit corresponding light in 2, left and right dredges lens extinguishes, form the distance light light shape with the single distance light unit of vertical "cut-off"line, the lens of described 2 distance light unit are arranged symmetrically with, again by the left rotation and right rotation of distance light unit, far lighting is made to dodge opposite or front vehicles.
2. a kind of car light self adaptation dimming mechanism as claimed in claim 1, is characterized in that, the material of described unlike material lens (1a, 1b) is selected from glass, transparent plastic as PC and PMMA.
3. a kind of car light self adaptation far lighting system self adaptation dimming mechanism as claimed in claim 1, it is characterized in that, described unlike material lens (1a, 1b) are shaping by glass, Multi-step injection molding as the transparent plastic of PC and PMMA, insert injection moulding or assembly.
4. a kind of car light self adaptation dimming mechanism as claimed in claim 1, is characterized in that, LED light source corresponding to described 2 unlike material lens (1a, 1b) is identical.
5. a kind of car light self adaptation dimming mechanism as claimed in claim 1, it is characterized in that, the refractive index of described unlike material lens (1a, 1b) is between 1.2 to 1.6.
6. a kind of car light self adaptation dimming mechanism as claimed in claim 5, it is characterized in that, the refractive index of described unlike material lens (1a, 1b) is between 1.4 to 1.6.
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| CN201420593605.1U CN204285338U (en) | 2014-10-14 | 2014-10-14 | A kind of car light self adaptation dimming mechanism |
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| CN201420593605.1U CN204285338U (en) | 2014-10-14 | 2014-10-14 | A kind of car light self adaptation dimming mechanism |
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| CN204285338U true CN204285338U (en) | 2015-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186007A (en) * | 2019-06-24 | 2019-08-30 | 浙江亮心汽车部件有限公司 | A kind of double lens lamp group, dimming device and light-dimming method |
| WO2020232826A1 (en) * | 2019-05-20 | 2020-11-26 | 华域视觉科技(上海)有限公司 | Optical device for vehicle lamp, vehicle lighting device, and vehicle |
-
2014
- 2014-10-14 CN CN201420593605.1U patent/CN204285338U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020232826A1 (en) * | 2019-05-20 | 2020-11-26 | 华域视觉科技(上海)有限公司 | Optical device for vehicle lamp, vehicle lighting device, and vehicle |
| US11268671B2 (en) | 2019-05-20 | 2022-03-08 | HASCO Vision Technology Co., LTD | Optical device for headlight, automotive lighting device and automobile |
| EP3896335A4 (en) * | 2019-05-20 | 2022-11-16 | Hasco Vision Technology Co., Ltd. | Optical device for vehicle lamp, vehicle lighting device, and vehicle |
| CN110186007A (en) * | 2019-06-24 | 2019-08-30 | 浙江亮心汽车部件有限公司 | A kind of double lens lamp group, dimming device and light-dimming method |
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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 |