CN207378739U - Reflection-type beam condenser, car light and automobile - Google Patents
Reflection-type beam condenser, car light and automobile Download PDFInfo
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- CN207378739U CN207378739U CN201721569325.7U CN201721569325U CN207378739U CN 207378739 U CN207378739 U CN 207378739U CN 201721569325 U CN201721569325 U CN 201721569325U CN 207378739 U CN207378739 U CN 207378739U
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Abstract
The utility model discloses a kind of reflection-type beam condenser, car light and automobile, is related to field of automobile, and to solve, existing reflection-type beam condenser efficiency is low and the non-uniform technical problem of lighting.Reflection-type beam condenser described in the utility model, including:Reflective coupling surface, coupled light face and total reflection coupling surface;After the energy of light source is redistributed by reflective coupling surface, and parallel light emitting is formed by coupled light face and the collective effect of total reflection coupling surface successively.Reflection-type beam condenser provided by the utility model, the propagation path of light can be changed by reflective coupling surface, so as to increase the light number that can meet total reflection requirement, and the energy of light can be redistributed by reflective coupling surface, so as to optimize lighting effect.
Description
Technical field
The utility model is related to field of automobile, more particularly to a kind of reflection-type beam condenser, car light and automobile.
Background technology
Fig. 1 is the light path schematic diagram of the reflection-type beam condenser provided in the prior art.
The light path characteristic of reflection-type beam condenser:Light is in paraboloidal total reflection.As shown in Figure 1:1st, light source;1.1st, it is incident
Angle is less than the angle of total reflection, it is impossible to the light being totally reflected;1.2nd, the light being totally reflected;2.1st, reflection-type beam condenser enters
Penetrate face:Coupling surface 1;2.2nd, the fully reflecting surface of reflection-type beam condenser:Coupling surface 2.
The material that reflection-type beam condenser generally uses is:PMMA, PC.The refractive index 1.489 of PMMA, total reflection angle are
" 42 degree ";The refractive index of PC is 1.587, and total reflection angle is:" 39 degree ".PC materials are easier to be totally reflected, due to being all-trans
The limitation of firing angle degree, when LED light emission directions are perpendicular to coupling surface 1, the energy that LED has nearly half cannot be totally reflected, because
The efficiency of this existing reflection-type beam condenser all the time is all than relatively low;At the same time, existing reflection-type beam condenser energy point
Cloth is to be gradually reduced from top to bottom, and lighting by bright to dark gradual change, lighting is uneven.
Fig. 2 is the structure diagram of the reflection-type beam condenser provided in the prior art.
As shown in Fig. 2, existing reflection-type beam condenser:The coupled face 1 of energy of equal angular and coupling surface 2 are made jointly
With, form parallel light emitting, from figure it can be observed how, h1 < h2 < h3, identical angle self-energy is gradually assigned to
In the space of different width.With the increase of distance LED distances, the energy being assigned in unit length is gradually reduced, reflection
It is exactly that lighting is gradually dimmed on to lighting effect.
Therefore, how a kind of reflection-type beam condenser, car light and automobile are provided, the effect of reflection-type beam condenser can be effectively improved
Rate, and optimize the lighting effect of reflection-type beam condenser, it has also become the technical issues of those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of reflection-type beam condenser, car light and automobile, to solve existing reflection
Formula concentrator efficiency is low and the non-uniform technical problem of lighting.
The utility model provides a kind of reflection-type beam condenser, including:Reflective coupling surface, coupled light face and is all-trans
Penetrate coupling surface;After the energy of light source is redistributed by the reflective coupling surface, and successively by the coupled light face and
The collective effect of the total reflection coupling surface, forms parallel light emitting.
In reflection-type beam condenser provided by the utility model, the reflective coupling surface is elliposoidal structural plane.
In reflection-type beam condenser provided by the utility model, the light source passes through with described in the elliposoidal structural plane
After reflective coupling surface is redistributed, light emission direction changes.
In reflection-type beam condenser provided by the utility model, the reflective coupling surface is equipped with decorative pattern.
In reflection-type beam condenser provided by the utility model, the total reflection coupling surface is step_shaped joint planes.
In reflection-type beam condenser provided by the utility model, the total reflection coupling surface is the step-like structure with five ranks
Face.
Compared with the prior art, reflection-type beam condenser described in the utility model has the advantage that:
In reflection-type beam condenser provided by the utility model, including:Reflective coupling surface, coupled light face and is all-trans
Penetrate coupling surface;After the energy of light source is redistributed by reflective coupling surface, and successively by coupled light face and total reflection coupling
The collective effect in conjunction face forms parallel light emitting.From this analysis, reflection-type beam condenser provided by the utility model, it can
The propagation path of light is changed by reflective coupling surface, so as to increase the light number that can meet total reflection requirement, and can be led to
It crosses reflective coupling surface to redistribute the energy of light, so as to optimize lighting effect.
The utility model also provides a kind of car light, including:Light source and such as reflection concentration type described in any one of the above embodiments
Device.
In car light provided by the utility model, the light source is point light source.
In car light provided by the utility model, the point light source is LED light source.
The utility model provides a kind of automobile again, including:Such as reflection-type beam condenser described in any one of the above embodiments;Or, as above
State any one of them car light.
The car light and the automobile are identical compared with advantage possessed by the prior art with above-mentioned reflection-type beam condenser,
This is repeated no more.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the light path schematic diagram of the reflection-type beam condenser provided in the prior art;
Fig. 2 is the structure diagram of the reflection-type beam condenser provided in the prior art;
Fig. 3 is a kind of structure diagram for reflection-type beam condenser that the utility model embodiment provides;
Fig. 4 is the structure diagram for another reflection-type beam condenser that the utility model embodiment provides.
In figure:1- light sources;
1.1- incident angles are less than the angle of total reflection, it is impossible to the light being totally reflected;The light that 1.2- is totally reflected;
The 2.1- reflection-type beam condenser planes of incidence:Coupling surface 1;The fully reflecting surface of 2.2- reflection-type beam condensers:Coupling surface 2;
The reflective coupling surfaces of 01-;02- coupled lights face;03- is totally reflected coupling surface.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection;Can be mechanical connection or electrical connection;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
Concrete meaning of the term in the utility model.
Fig. 3 is a kind of structure diagram for reflection-type beam condenser that the utility model embodiment provides.
As shown in figure 3, the utility model embodiment provides a kind of reflection-type beam condenser, including:Reflective coupling surface 01, enters
Penetrate coupling surface 02 and total reflection coupling surface 03;After the energy of light source 1 is redistributed by reflective coupling surface 01, and successively
By coupled light face 02 and the collective effect of total reflection coupling surface 03, parallel light emitting is formed.
Compared with the prior art, the reflection-type beam condenser described in the utility model embodiment has the advantage that:
In the reflection-type beam condenser that the utility model embodiment provides, as shown in figure 3, including:Reflective coupling surface 01, enters
Penetrate coupling surface 02 and total reflection coupling surface 03;After the energy of light source 1 is redistributed by reflective coupling surface 01, and successively
By coupled light face 02 and the collective effect of total reflection coupling surface 03, parallel light emitting is formed.From this analysis, this practicality
The reflection-type beam condenser that new embodiment provides can change the propagation path of light, so as to increase by reflective coupling surface 01
The light number of total reflection requirement can be met by adding, and the energy of light can be redistributed by reflective coupling surface 01, from
And optimize lighting effect.
During practical application, in the reflection-type beam condenser that the utility model embodiment provides, as shown in figure 3, above-mentioned reflective
Coupling surface 01 is elliposoidal structural plane.Light in ellipsoid focus can pass through another focus of ellipsoid after ellipsoid reflects, from
And the reflective coupling surface 01 with elliposoidal structural plane can be changed to the diverging light centered on positive light emission direction full
The light emission direction being totally reflected enough.
Wherein, in the reflection-type beam condenser that the utility model embodiment provides, as shown in figure 3, above-mentioned light source 1 is by having
After the reflective coupling surface 01 of elliposoidal structural plane is redistributed, light emission direction can change, so as to effectively improve
The efficiency of reflection-type beam condenser, and optimize the lighting effect of reflection-type beam condenser.
It specifically, can be on above-mentioned reflective coupling surface 01 in the reflection-type beam condenser that the utility model embodiment provides
Equipped with decorative pattern, so as to can further optimize Energy distribution by the decorative pattern, and then the purpose of lighting optimization is realized.
Certainly, the factors such as processing cost are considered, in the reflection-type beam condenser that the utility model embodiment provides, above-mentioned reflection
Decorative pattern can not also be equipped on formula coupling surface 01.
It should be added that, the light that point light source is sent passes through glancing incidence face, the deflection angle of refracted light herein
Degree is gradually reduced, and the virtual focus of refracted light is no longer a point, is Accurate collimation light, it is necessary to the anti-of reflection-type beam condenser
It penetrates face and carries out segment design.
Fig. 4 is the structure diagram for another reflection-type beam condenser that the utility model embodiment provides.
Further, in the reflection-type beam condenser that the utility model embodiment provides, as shown in figure 4, above-mentioned total reflection coupling
Conjunction face 03 can be step_shaped joint planes, so as to be effectively increased vertical irradiation length by the step_shaped joint planes;
It can be reflective poly- by the way that the full transmitting coupling surface 03 with step_shaped joint planes is set to extend i.e. during segment design
Light device is in the length of vertical direction (Z axis).
Certainly, the factors such as processing cost are considered, it is above-mentioned to be all-trans in the reflection-type beam condenser that the utility model embodiment provides
Step_shaped joint planes can not also be equipped with by penetrating coupling surface 03.
Further, when actual production manufactures, in the reflection-type beam condenser that the utility model embodiment provides, such as Fig. 4
Shown, above-mentioned total reflection coupling surface 03 can be the step_shaped joint planes with five ranks.
Certainly, in the reflection-type beam condenser that the utility model embodiment provides, the specific rank of above-mentioned total reflection coupling surface 03
Number is not limited to five ranks, can be the arbitrary single order in 1 rank-N ranks.
The utility model embodiment also provides a kind of car light, as shown in Figure 3 and Figure 4, including:Light source 1 and such as above-mentioned
Reflection-type beam condenser described in one.
Wherein, in the car light that the utility model embodiment provides, above-mentioned light source 1 can be point light source.
Specifically, in the car light that the utility model embodiment provides, above-mentioned point light source can be LED light source.
Further, in the car light that the utility model embodiment provides, as shown in figure 3, above-mentioned reflection-type beam condenser can be with
Including:Reflective coupling surface 01 with elliposoidal structural plane, coupled light face 02 and total reflection coupling surface 03;Light source 1 is logical
It crosses after the reflective coupling surface 01 with elliposoidal structural plane redistributes, light emission direction changes, and successively by incidence
The collective effect of coupling surface 02 and total reflection coupling surface 03, forms parallel light emitting, so as to effectively improve reflection concentration type
The efficiency of device, and optimize the lighting effect of reflection-type beam condenser.
Further, in the car light that the utility model embodiment provides, as shown in figure 4, above-mentioned reflection-type beam condenser can
To include:Reflective coupling surface 01 with elliposoidal structural plane, coupled light face 02 and complete with step_shaped joint planes
Reflection coupling face 03;After light source 1 is redistributed by the reflective coupling surface 01 with elliposoidal structural plane, light emission direction occurs
Change, and the collective effect of the total reflection coupling surface 03 successively by coupled light face 02 and with step_shaped joint planes, it is formed
Parallel light emitting so as to effectively improve the efficiency of reflection-type beam condenser, and optimizes the lighting effect of reflection-type beam condenser;Together
When, by setting the full transmitting coupling surface 03 with step_shaped joint planes that can effectively extend reflection-type beam condenser in vertical direction
The length of (Z axis).
Preferably, decorative pattern can be equipped on above-mentioned reflective coupling surface 01, so as to can further optimize by the decorative pattern
Energy distribution, and then realize the purpose of lighting optimization.
The utility model embodiment provides a kind of automobile again, including:Such as reflection-type beam condenser described in any one of the above embodiments;
Or, such as car light described in any one of the above embodiments.
Reflection-type beam condenser, car light and the automobile that the utility model embodiment provides, can pass through reflective coupling surface 01
The propagation path of light is changed, so as to increase the light number that can meet total reflection requirement, and reflective coupling surface 01 can be passed through
The energy of light is redistributed, so as to optimize lighting effect.
Herein it should be added that:
Reflection-type beam condenser of the prior art in use, has two:
First:Energy is excessively powerful on the coupling fully reflecting surface of LED light source, as shown in Fig. 2, in the longitudinal length of H1
On distributed energy in LED light source low-angle, energy is very strong so as to cause making in the unit length being totally reflected, and seriously affects
The uniformity of lighting (therefore, general we only use the unilateral energy of LED light source vertical irradiation);
Second:Close to the reflecting surface of LED light source, since incidence angle angle is small, it is impossible to meet the condition of total reflection, therefore lead
Reflection-type beam condenser is caused to be typically only capable to using the unilateral energy of LED light source diverging light.
The energy that reflection-type beam condenser of the prior art can use:
Wherein, n:LED light source energy constant factor.
In reflection-type beam condenser, car light and automobile that the utility model embodiment provides, by adding reflective coupling surface,
So as to the light being collected into LED light source (- θ, θ), and then the reflectivity of reflective coupling surface can be 85%.
The energy that the reflection-type beam condenser that the utility model embodiment provides can be used effectively:
Theoretically, the utility model embodiment provide reflection-type beam condenser energy usage in the prior art
The ratio of the energy usage of reflection-type beam condenser:
η=Φ2/Φ1=1.7
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of reflection-type beam condenser, which is characterized in that including:Reflective coupling surface, coupled light face and total reflection coupling
Face;
After the energy of light source is redistributed by the reflective coupling surface, and successively by the coupled light face and described complete
The collective effect in reflection coupling face forms parallel light emitting.
2. reflection-type beam condenser according to claim 1, which is characterized in that the reflective coupling surface is elliposoidal structure
Face.
3. reflection-type beam condenser according to claim 2, which is characterized in that the light source passes through with the elliposoidal knot
After the reflective coupling surface in structure face is redistributed, light emission direction changes.
4. reflection-type beam condenser according to any one of claim 1-3, which is characterized in that the reflective coupling surface
It is equipped with decorative pattern.
5. reflection-type beam condenser according to claim 4, which is characterized in that the total reflection coupling surface is step-like structure
Face.
6. reflection-type beam condenser according to claim 5, which is characterized in that the total reflection coupling surface is with five ranks
Step_shaped joint planes.
7. a kind of car light, which is characterized in that including:Light source and the reflection as any one of the claims 1-6
Formula concentrator.
8. car light according to claim 7, which is characterized in that the light source is point light source.
9. car light according to claim 8, which is characterized in that the point light source is LED light source.
10. a kind of automobile, which is characterized in that including:Such as the reflection-type beam condenser any one of the claims 1-6;
Or, the car light as any one of the claims 7-9.
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CN201721569325.7U CN207378739U (en) | 2017-11-21 | 2017-11-21 | Reflection-type beam condenser, car light and automobile |
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CN201721569325.7U CN207378739U (en) | 2017-11-21 | 2017-11-21 | Reflection-type beam condenser, car light and automobile |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107781781A (en) * | 2017-11-21 | 2018-03-09 | 上海小糸车灯有限公司 | Reflection-type beam condenser, car light and automobile |
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2017
- 2017-11-21 CN CN201721569325.7U patent/CN207378739U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107781781A (en) * | 2017-11-21 | 2018-03-09 | 上海小糸车灯有限公司 | Reflection-type beam condenser, car light and automobile |
CN107781781B (en) * | 2017-11-21 | 2023-11-10 | 华域视觉科技(上海)有限公司 | Reflection type condenser, car lamp and car |
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GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
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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CP01 | Change in the name or title of a patent holder |