CN208041995U - A kind of dipped beam car light module - Google Patents
A kind of dipped beam car light module Download PDFInfo
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- CN208041995U CN208041995U CN201820025297.0U CN201820025297U CN208041995U CN 208041995 U CN208041995 U CN 208041995U CN 201820025297 U CN201820025297 U CN 201820025297U CN 208041995 U CN208041995 U CN 208041995U
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- concentrator
- dipped beam
- auxiliary stand
- car light
- light module
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Abstract
A kind of dipped beam car light module, including：Concentrator (2), the lens carrier (5) that is set in front of the concentrator (2) and lens (6) thereon, it is characterized in that, the concentrator (2) front lower place is provided with concentrator auxiliary stand (3), the middle and upper part of the concentrator auxiliary stand (3) offers forward, that is the groove-like structure (3-1) of outgoing light direction opening, the groove-like structure is as the irradiant channel of concentrator III plot structures, so that the light that concentrator (2) lower part is projected can smoothly inject lens, the areas dipped beam light Xing III are formed.The bottom margin of barn door (4) is acute angle, can cut out smooth dipped beam light shape lower boundary.The utility model has the characteristics that simple in structure, at low cost, heat resistance is good, light efficiency is high and good in optical property.
Description
Technical field
The utility model is related to car lights, and specifically, the utility model is related to a kind of dipped beam car light modules.
Background technology
LED technology emerges one after another in using of the new technology for car lights field, the good meeting of simple in structure, at low cost and performance
It is popular.Car light field has the appraisal standards such as GM gradings, IIHS scorings, the car light that can be secured satisfactory grades in these standards of grading
Module disclosure satisfy that the demand of different motor corporations, keep its more favourable.
The existing dipped beam car light module with identical concentrator, it is difficult to form clear, regular dipped beam dead line, light efficiency
Also not high, general light efficiency influences the performance of its optical property 45% or so.The case where limited LED light source luminous flux inputs
Under, the output performance of dipped beam module is extremely difficult to the luminous flux of the appraisal standards requirement such as GM gradings and IIHS scorings and brightness is wanted
It asks.
In addition, according to the existing dipped beam car light module with identical concentrator, it is difficult to be formed under smooth dipped beam light shape
Ideal road lighting effect is not achieved in boundary.
It is exactly the position of Chinese herbaceous peony nearby because the lower boundary of dipped beam light shape corresponds to the position on road surface, if dipped beam light shape
Lower boundary out-of-flatness, impinges upon on road surface, and Chinese herbaceous peony is exactly nearby the illuminated area of out-of-flatness, illuminates effect after causing two lamps to be superimposed
It is more bad.
Utility model content
In order to overcome the problems referred above, the utility model technical issues that need to address are：A kind of dipped beam car light module, root are provided
According to a kind of dipped beam car light module provided by the utility model, good optical property, structure letter are realized with less number of parts
It is single, at low cost；Increase a concentrator auxiliary stand, and upper surface is aluminized, and is projected and is entered less than saturating to script concentrator
The light of mirror plays reflex, makes it into lens, forms the live part of dipped beam light shape broadening, and light efficiency is high；Increase by one
Barn door in front of concentrator can cut out more smooth dipped beam light shape by the design to barn door lower boundary sideline
Lower boundary, more preferably, road surface effect is more excellent for optical property.
A kind of technical solution of dipped beam car light module of the utility model is as follows：
A kind of dipped beam car light module, including：
Concentrator (2), the lens carrier (5) being set in front of the concentrator (2) and lens (6) thereon, are set to
Radiator (8) below concentrator and concentrator auxiliary stand (3),
It is characterized in that,
The concentrator (2) front lower place is provided with concentrator auxiliary stand (3),
The middle and upper part of the concentrator auxiliary stand (3) offers forward, that is, is emitted the groove-like structure of light direction opening
(3-1), the groove-like structure is as the irradiant channel of concentrator III plot structures, so that the concentrator (2) lower part was projected
Light can smoothly inject lens, form the areas dipped beam light Xing III,
Concentrator (2) rear is provided with wiring board (1), the LED light source on the wiring board (1) includes at least one
The single-chip LED of the dual chip or three chip LEDs of low, middle power and more low, middle power,
The concentrator (2) has gathering cup structure corresponding with LED light source.
Preferably, according to a kind of dipped beam car light module described in the utility model, which is characterized in that
The groove-like structure being opened on the concentrator auxiliary stand (3) takes the shape of the letter U.
The U-shaped groove-like structure is formed close to enable the light that concentrator (2) lower part is projected smoothly to inject lens
The areas light light Xing III, on the contrary, if without this U-shaped groove-like structure, the light projected from concentrator (2) lower part if, is blocked,
Lens can not be injected.
Preferably, according to a kind of dipped beam car light module described in the utility model, which is characterized in that
The U-shaped opening front for being opened in the groove-like structure (3-1) of concentrator auxiliary stand (3) middle and upper part is recessed after being one
Arcuate structure (3-2), the upper surface of described rear concave arc shape structure (3-2) are aluminized.
Rear concave arc shape as shown below, do not blocked in structure yet concentrator (2) lower part injection light shape, institute
It is because upper part is plating aluminium zones, this is the shape after optimization design, is attempted to be such a rear concave arc shape
Straight line, preceding convex and rear concave arc shape, only in this way concave arc shape could make the area for plating aluminium zones more suitable after one, be formed
Better light shape.
So-called better light shape, as shown in figure 8, horizontal dead line, both ends are without tilting or obviously stay, as shown in figure 9,
It is then the light shape that do not aluminize under areas case, obviously there is tilting on both sides.
The light projected in face of the concentrator (2) of aluminizing plays reflex, and the light of reflection is radiated at dipped beam
The effective coverage of light shape broadening plays the role of improving light efficiency.
Preferably, according to a kind of dipped beam car light module described in the utility model, which is characterized in that
It is rear concave arc shape to be opened in front of the U-shaped opening of the groove-like structure (3-1) of the concentrator auxiliary stand (3) also,
And it is corresponding and continuous to the rear arc of concave arc shape structure (3-2).
Plane is made in the face of aluminizing, and can meet optical demands in this way and make processing simply, conveniently.
Preferably, according to a kind of dipped beam car light module described in the utility model, which is characterized in that
The inboard boundary (3-3) for range of aluminizing on the concentrator auxiliary stand is arc.
As shown in figure 4, this boundary of 3-3 meanings is arc, this boundary is the inner boundary of range of aluminizing.
The rear end boundary (3-2) for range of aluminizing is arc.The interior front side edge for range of aluminizing on the concentrator auxiliary stand
Boundary (3-3) is arc.
The concentrator auxiliary stand (3) selects the materials such as ADC or PC or BMC or PET, and in its front upper place, surface is aluminized.
According to a kind of dipped beam car light module described in the utility model, which is characterized in that
In front of the concentrator (2), i.e., lens carrier (5) inner upper is vertically installed with barn door (4),
The barn door (4) is in rear recessed arc, and the lower section sideline of the barn door (4) is spline curve, to cut simultaneously
Form smooth dipped beam light shape lower boundary, all points are located at same in the spline curve in the lower section sideline of the barn door (4)
On a spherical surface.
That is, on the ball that point all in the spline curve in the lower section sideline of the barn door (4) is positioned in the space.
So-called spline curve (Spline Curves) refer to give one group of control point and obtain a curve, curve it is big
It causes shape to be controlled by these points, generally can be divided into interpolating spline and approach two kinds of batten.The lower section sideline of barn door (4) it
It is that can increase many control points because of spline curve, and the transition of every section of curve is very smooth so being selection spline curve, this
Sample, which can be adjusted preferably, cuts the dipped beam light shape lower boundary of going out.
According to the utility model, select the control point of the spline curve in sideline below barn door at 10 points or more.
If described without this barn door, the light shape which irradiates is lower boundary as shown in Figure 10, can
See it is not perfectly flat whole.Also attempted to be done the lower boundary of barn door with straight line or circular arc, but because straight line and circular arc can
Control point is very little, can not adjust suitable shape, and it is not more smooth as shown in FIG. 8 to cut the light shape lower part.
According to a kind of dipped beam car light module described in the utility model, which is characterized in that
The edge in the lower section sideline of the barn door (4) is acute angle.
Be conducive to cut smooth dipped beam light shape lower boundary in this way.
Because corresponding smooth dipped beam light shape lower boundary is single line, just as cutting thing with knife, the boundary that cuts out
Corresponding is that root sideline of the blade of knife.Only it is acute angle, could be projected out by design curve on the formal figure of opticpath
Required bottom margin.
According to a kind of dipped beam car light module described in the utility model, which is characterized in that
Tool is there are one threaded hole on the radiator (8), is located at the lower part of the concentrator auxiliary stand (3), bolt from
Radiator (8) lower part is screwed into, and is made bolt and the concentrator auxiliary stand (3) lower contacts, is played to the concentrator
The effect of the Auxiliary support and fine position section of auxiliary stand (3).
According to a kind of dipped beam car light module described in the utility model, which is characterized in that
Further include the transition bracket (7) for being set in front of the radiator (8), being assemblied on lamp body, the transition bracket
(7) entire dipped beam car light module is divided into be located at its forward and backward side, can individually loading, unloading two small assemblies, wherein
One small assembly includes LED circuit board, concentrator (2), the radiator (8) being set to below the concentrator (2)
And concentrator auxiliary stand (3), another small assembly include barn door (4), are opened in the slot of the concentrator auxiliary stand (3)
Rear concave arc shape structure (3-2) in front of the U-shaped opening of shape structure (3-1) and lens carrier (5).
Transition bracket is in whole lamp, in this way when have individually change LED circuit board demand when, so that it may with only by rear
Small assembly removes replacement LED circuit board, is convenient for changing.
According to a kind of dipped beam car light module described in the utility model, which is characterized in that
LED light source on the wiring board (1) include 1 low, middle power two chips or three chip LEDs and more it is low,
The single-chip LED of middle power,
The concentrator (2) has gathering cup structure corresponding with LED light source.
Preferably, the single-chip LED of more low, middle power on the wiring board (1) is 3-5.
The beneficial effects of the utility model are：
Compared to traditional dipped beam module, the utility model is without speculum, auxiliary mirror and for shutting out the light with shape
The parts such as the barn door at dead line, it is simple in structure, at low cost；
LED dispersed placements so that heat resistance is more preferable；
The face of aluminizing on concentrator auxiliary stand can utilize the light slatterned originally, light efficiency high；
Barn door in front of concentrator, can cut out more smooth dipped beam light shape lower boundary, optical property more preferably, road
Face illuminating effect is more excellent.
Description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram of dipped beam car light module of the utility model.
Fig. 2 is a kind of explosive view of dipped beam car light module of the utility model.
Fig. 3 is a kind of section view of dipped beam car light module of the utility model.
Fig. 4 is the three-dimensional structure diagram of concentrator auxiliary stand in a kind of dipped beam car light module of the utility model.
Fig. 5 is that the relative position of concentrator and concentrator auxiliary stand is illustrated in a kind of dipped beam car light module of the utility model
Figure.
Fig. 6 is the three-dimensional structure diagram of barn door in a kind of dipped beam car light module of the utility model.
Fig. 7 is that light moves towards schematic diagram in a kind of dipped beam car light module of the utility model.
Fig. 8 is a kind of light shape illumination contour of dipped beam car light module of the utility model.
If Fig. 9 is the light shape illumination contour without concentrator auxiliary stand in a kind of dipped beam car light module of the utility model.
If Figure 10 is the light shape illumination contour without barn door in a kind of dipped beam car light module of the utility model.
Figure 11 is the utility model concentrator auxiliary stand and the three-dimensional structure diagram of rear concave arc shape structure.
Figure 12 is the utility model barn door (4) and sideline an example three-dimensional structure diagram below.
Figure 13 is the utility model barn door (4) and the another example three-dimensional structure diagram in sideline below.
Figure 14 is the utility model barn door (4) and the another example three-dimensional structure diagram in sideline below.
In figure, 1. wiring boards, 2. concentrators, 3. concentrator auxiliary stands, 4. barn doors, 5. lens carriers, 6. lens, 7.
Transition bracket, 8. radiators, 3-1 are the groove-like structure on concentrator auxiliary stand, which is as the areas concentrator III
The irradiant channel of structure, dash area is the range of aluminizing on concentrator auxiliary stand in Fig. 4, and 3-2 is concentrator auxiliary
The rear end boundary for range of aluminizing on holder, 3-3 are the interior front side boundary for range of aluminizing on concentrator auxiliary stand, and Ray1 is by gathering
The light that the light that light device 2 projects directly is projected through lens, Ray2 are after being projected by concentrator 2 by concentrator auxiliary stand
The light that face reflection of aluminizing is projected through lens again, Ray3 are to be blocked and projected without lens by barn door 4 after being projected by concentrator 2
Light.
Specific implementation mode
The utility model is further illustrated in the following with reference to the drawings and specific embodiments.
Embodiment
As shown in Figure 1, the utility model embodiment provides a kind of dipped beam car light module, it to be used for the photograph of automobile short-distance pattern
It is bright, it is placed in car headlamp.
As shown in Fig. 2, the major part of the dipped beam car light module includes wiring board (1), concentrator (2), concentrator auxiliary
Holder (3), barn door (4), lens carrier (5), lens (6), transition bracket (7) and radiator (8), wherein optical element includes
Wiring board (1), concentrator (2), concentrator auxiliary stand (3), barn door (4) and lens (6), as shown in Figure 7.
Wiring board (1) is placed longitudinally, includes the plurality of LEDs of dispersed placement, including 1 three chip LED and 5 singles above
Piece LED, by design, the luminous flux of 1 three chip LED exports 750lm, and the luminous flux of 1 single-chip LED exports 250lm, entirely
The light efficiency > 50% of dipped beam module so that the luminous flux of module exports > 1000lm, passes through the optimization design of concentrator (2), energy
Enough so that the output brightness E max > 65lx of module, the Energy distribution being well combined, can meet the High in GM gradings
Level, the Good reached in IIHS scorings are horizontal.
As shown in figure 3, radiator (8) is set to the lower section of the concentrator (2) and concentrator auxiliary stand (3),
Transparent material concentrator (2) is set in front of wiring board (1), has 2 positioning pins, wiring board (1) on concentrator (2)
It is upper that there is corresponding 2 location holes, concentrator (2) wiring board (1) to be located on radiator (8) by 2 positioning pins, and
Concentrator (2) and wiring board (1) are installed by 2 screws, are fixed on radiator (8),
Concentrator auxiliary stand (3) is set to the front lower place of the concentrator (2), installed by 2 screws, be fixed on it is scattered
On hot device (8),
Transition bracket (7) is set to the front of the radiator (8), is located on radiator (8) by positioning pin, then pass through
4 screw installations are fixed on radiator (8),
Lens carrier (5) is set in front of the transition bracket (7), is equally located on radiator (8) by positioning pin, then
It is installed by 4 screws, is fixed,
Barn door (4) is set to the middle top that in front of the concentrator (2) and lens carrier (5) is internal, barn door (4)
Material selection ADC is provided with 2 positioning pins, corresponding, has 2 location holes, barn door (4) on lens carrier (5)
It fixed, be mounted on lens carrier (5) by 2 screws,
Lens (6) are set to the front of the lens carrier (5), are fixed by buckle structure, are mounted on lens carrier (5)
On.
The material of concentrator auxiliary stand (3) is ADC, as shown in figure 4, the middle and upper part of concentrator auxiliary stand (3) opens up
There is U-shaped groove-like structure (3-1), so that the light that the concentrator (2) lower part is projected can smoothly inject lens, forms dipped beam light
The rear end boundary (3-2) in the areas Xing III, range of aluminizing on concentrator auxiliary stand is arc, is aluminized on concentrator auxiliary stand
The interior front side boundary (3-3) of range is arc, and the face of aluminizing on concentrator auxiliary stand (3) is plane.
The front upper place surface of concentrator auxiliary stand (3) is face of aluminizing, and Fig. 4 dash areas are on concentrator auxiliary stand
It aluminizes range,
As shown in fig. 7, the light projected in face of the concentrator (2) of aluminizing on concentrator auxiliary stand (3) plays instead
The effect of penetrating, the light of reflection are radiated at the effective coverage of dipped beam light shape broadening, play the role of improving light efficiency.Ray1 is by optically focused
The light that the light that device 2 projects directly is projected through lens, Ray2 are after being projected by concentrator 2 by the plating on concentrator auxiliary stand
The light that the reflection of aluminium face is projected through lens again, Ray3 are to be blocked and projected without lens by barn door 4 after being projected by concentrator 2
Light.
As shown in figure 5, under the rear end boundary (3-2) for range of aluminizing on concentrator auxiliary stand and the front end of concentrator (2)
Bounding theory is reached the standard grade contact, to improve light efficiency and form clear dead line.
It can be cut out by the design to spline curve as shown in fig. 6, the lower section sideline of barn door (4) is spline curve
Smooth dipped beam light shape lower boundary,
The bottom margin of barn door (4) is acute angle, is conducive to cut smooth dipped beam light shape lower boundary in this way,
Barn door (4) is in the arc to rear arch,
All points are located on the same ball on the lower section sideline of the barn door (4).
Tool is there are one threaded hole on radiator (8), is located at the lower part of concentrator auxiliary stand (3), and bolt is from radiator (8)
Lower part is screwed into, and is made bolt and concentrator auxiliary stand (3) lower contacts, is played the Auxiliary support to concentrator auxiliary stand (3)
With the effect of fine position section.
As shown in figure 8, being a kind of light shape illumination contour of dipped beam car light module of the utility model, if auxiliary without concentrator
Holder (3) is helped, then does not become dipped beam light shape upper end clear cut-off line boundary, but the bad smooth shape upwarped, such as Fig. 9 institutes
Show；If without barn door (4), the more smooth boundary light shape in dipped beam light shape lower end is not become, is indent as shown in Figure 10
Light shape.
Compared to traditional dipped beam module, the utility model is without speculum, auxiliary mirror and dead line barn door etc. zero
Part, it is simple in structure, at low cost；
LED dispersed placements so that heat resistance is more preferable；
The face of aluminizing on concentrator auxiliary stand can utilize the light slatterned originally, light efficiency high；
Barn door in front of concentrator, can cut out more smooth dipped beam light shape lower boundary, optical property more preferably, road
Face illuminating effect is more excellent.
Claims (10)
1. a kind of dipped beam car light module, including：
Concentrator (2), the lens carrier (5) being set in front of the concentrator (2) and lens (6) thereon, are set to optically focused
Radiator (8) below device and concentrator auxiliary stand (3),
It is characterized in that,
Concentrator (2) front lower place is provided with concentrator auxiliary stand (3),
The middle and upper part of the concentrator auxiliary stand (3) offers forward, that is, is emitted the groove-like structure (3- of light direction opening
1), the groove-like structure is as the irradiant channel of concentrator III plot structures, so that the light that the concentrator (2) lower part is projected
Line can smoothly inject lens, form the areas dipped beam light Xing III,
Concentrator (2) rear is provided with wiring board (1), the LED light source on the wiring board (1) include at least one it is low, in
The single-chip LED of the dual chip of power or three chip LEDs and more low, middle power,
The concentrator (2) has gathering cup structure corresponding with LED light source.
2. a kind of dipped beam car light module as described in claim 1, which is characterized in that
The groove-like structure being opened on the concentrator auxiliary stand (3) takes the shape of the letter U.
3. a kind of dipped beam car light module as claimed in claim 2, which is characterized in that
The U-shaped opening front for being opened in the groove-like structure (3-1) of concentrator auxiliary stand (3) middle and upper part is concave arc shape after one
Structure (3-2), the upper surface of described rear concave arc shape structure (3-2) are aluminized.
4. a kind of dipped beam car light module as claimed in claim 3, which is characterized in that
It is rear concave arc shape to be opened in front of the U-shaped opening of the groove-like structure (3-1) of the concentrator auxiliary stand (3) also, and with
The arc of concave arc shape structure (3-2) is corresponding and continuous after described.
5. a kind of dipped beam car light module as described in claim 1, which is characterized in that
The bottom of the U-shaped groove-like structure of the concentrator auxiliary stand (3) is plane.
6. a kind of dipped beam car light module as described in claim 1, which is characterized in that
The inboard boundary (3-3) for range of aluminizing on the concentrator auxiliary stand is arc.
7. a kind of dipped beam car light module as described in claim 1, which is characterized in that
In front of the concentrator (2), i.e., lens carrier (5) inner upper is vertically installed with barn door (4),
The barn door (4) is in rear recessed arc, and the lower section sideline of the barn door (4) is spline curve, to cut and be formed
Smooth dipped beam light shape lower boundary,
All points are located on the same spherical surface in the spline curve in the lower section sideline of the barn door (4).
8. a kind of dipped beam car light module as claimed in claim 7, which is characterized in that
The edge in the lower section sideline of the barn door (4) is acute angle.
9. a kind of dipped beam car light module as described in claim 1, which is characterized in that
Tool is there are one threaded hole on the radiator (8), is located at the lower part of the concentrator auxiliary stand (3), and bolt is from described
Radiator (8) lower part is screwed into, and makes bolt and the concentrator auxiliary stand (3) lower contacts, is played and is assisted the concentrator
The effect of the Auxiliary support and fine position section of holder (3).
10. a kind of dipped beam car light module as described in claim 1, which is characterized in that
Further include the transition bracket (7) for being set in front of the radiator (8), being assemblied on lamp body, the transition bracket (7) will
Entire dipped beam car light module be divided into be located at its forward and backward side, can independent loading, unloading two small assemblies, wherein
One small assembly includes LED circuit board, concentrator (2), the radiator (8) being set to below the concentrator (2) and poly-
Light device auxiliary stand (3), another small assembly include barn door (4), are opened in the channel-shaped knot of the concentrator auxiliary stand (3)
Rear concave arc shape structure (3-2) in front of the U-shaped opening of structure (3-1) and lens carrier (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017207618502 | 2017-06-28 | ||
| CN201720761850 | 2017-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041995U true CN208041995U (en) | 2018-11-02 |
Family
ID=63956595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025297.0U Active CN208041995U (en) | 2017-06-28 | 2018-01-08 | A kind of dipped beam car light module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270216A (en) * | 2017-06-28 | 2017-10-20 | 上海小糸车灯有限公司 | A kind of dipped beam car light module |
| CN109539158A (en) * | 2018-12-14 | 2019-03-29 | 上海晶合光电科技有限公司 | A kind of LED condenser formula list distance light mould group |
| WO2021036159A1 (en) * | 2019-08-26 | 2021-03-04 | 华域视觉科技(上海)有限公司 | Illumination assembly for use in forming low beam middle region light shape of vehicle lamp |
-
2018
- 2018-01-08 CN CN201820025297.0U patent/CN208041995U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270216A (en) * | 2017-06-28 | 2017-10-20 | 上海小糸车灯有限公司 | A kind of dipped beam car light module |
| CN107270216B (en) * | 2017-06-28 | 2024-03-15 | 华域视觉科技(上海)有限公司 | Dipped headlight module |
| CN109539158A (en) * | 2018-12-14 | 2019-03-29 | 上海晶合光电科技有限公司 | A kind of LED condenser formula list distance light mould group |
| WO2021036159A1 (en) * | 2019-08-26 | 2021-03-04 | 华域视觉科技(上海)有限公司 | Illumination assembly for use in forming low beam middle region light shape of vehicle lamp |
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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 |