CN105423216A - Light ray collection device and headlamp - Google Patents
Light ray collection device and headlamp Download PDFInfo
- Publication number
- CN105423216A CN105423216A CN201510925039.9A CN201510925039A CN105423216A CN 105423216 A CN105423216 A CN 105423216A CN 201510925039 A CN201510925039 A CN 201510925039A CN 105423216 A CN105423216 A CN 105423216A
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- China
- Prior art keywords
- collection device
- light collection
- headlamp
- light
- reflecting surface
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Classifications
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of illumination, and specifically relates to a light ray collection device. The light ray collection device comprises a light ray collection device body. The light ray collection device body comprises an incident surface, a bottom surface, a reflecting surface and an emergent surface, wherein the incident surface is arranged on the bottom surface; the light ray emitted by a light source is refracted through the incident surface to enter the light ray collection device body, reflected through the reflecting surface to arrive at the emergent surface, then refracted out of the light ray collection device body through the emergent surface to be projected onto a headlamp projection device, and afterwards projected onto a road surface; and the included angle between the main axis direction, for emitting the light ray, of the light source and the projection direction of the light ray collection device body is 20-90 degrees. With the adoption of the light ray collection device disclosed by the invention, the light source, the light ray collection device, the projection device, a lampshade and other structures of the headlamp are not located on the same straight line, so that influence of the dimension of the light source on the length of the headlamp is reduced, and then the headlamp has a small length; in this way, installation and use for the headlamp are facilitated.
Description
Technical field
The present invention relates to lighting technical field, be specifically related to a kind of light collection device and headlamp.
Background technology
In technical field of automobile illumination, national publication GB7454-87 " automotive headlight uses and light adjustment technology is planned ", GB4599-2007 " headlamp luminous intensity distribution performance " and GB4660-2007 " lamps for vehicle silk bulb front fog lamp " propose clear and definite requirement to the luminous intensity of the far lighting of motor vehicle, lower beam illumination and fog lamp and direction of illumination.
For the dipped headlights of headlamp, require that emitted light must form "cut-off"line clearly, and for the formation of this "cut-off"line, mainly adopting shadow shield to carry out this technology of shading at present, its principle is, the light that light source is launched, by arranging shadow shield, some light is blocked, and then form a light and shade region, form a "cut-off"line in penumbra, so, its illuminated area is made to meet the regulation of relevant criterion.
In current head lamp structure, normally include light source, for collecting the light collection device of light, and the shade for shutting out the light, it is mutually corresponding and separate structure between light source, light collection device and shade, when designing, need the relative position relation between strict these parts of design, and in manufacturing process, relative position relation between these parts of control that same needs are strict, otherwise, be just difficult to obtain standard compliant illumination intensity and lighting pattern.
Current light collection device is normally in bowl structure, the inner surface of bowl structure is reflecting surface, light source is arranged at the bottom of bowl structure, the light that light source sends is collected by the inner surface of bowl structure and is reflexed to grenade instrumentation, along with going deep into of research, present inventor finds, the light collection device of said structure also exists the drawback of not allowing to avoid: the dimensional problem being the headlamp adopting above-mentioned light collection device, because light source is arranged on bottom light collection device, the direction that light source emits beam is roughly the same with the projecting direction of headlamp, that is, light source, light collection device, the cases of grenade instrumentation and headlamp etc. are all in a rectilinear direction, head lamp structure is made to have longer length, so, enough large headspace must be had in the longitudinal direction during installation, so bring great inconvenience to the structural design of vehicle, particularly for avoidance system for small-or mini.
So, need one at present badly and can reduce head lamp structure size, facilitate the light collection device that headlamp is installed and used.
Summary of the invention
The object of the invention is to: for current headlamp, there is longer length, to installing and using the deficiency of making troubles, providing one can reduce head lamp structure size, facilitate the light collection device that headlamp is installed and used.
To achieve these goals, the technical solution used in the present invention is:
A kind of light collection device, comprise light collection device body, described light collection device body comprises the plane of incidence, bottom surface, reflecting surface and exit facet, the described plane of incidence is arranged on described bottom surface, the light that light source sends enters light collection device body by plane of incidence refraction, exit facet is arrived after reflective surface, reflect after light collection device body through exit facet again and project headlamp grenade instrumentation, and then projecting road surface, the projecting direction angle of the major axes orientation that described light source emits beam and light collection device body is 20-90 degree.
In the such scheme of the application, light collection device body comprises the plane of incidence, bottom surface, reflecting surface and exit facet, the light that light source sends enters light collection device body by plane of incidence refraction, exit facet is arrived after reflective surface, reflect after light collection device body through exit facet again and project headlamp grenade instrumentation, and then project road surface, the projecting direction angle of the major axes orientation that described light source emits beam and light collection device body is 20-90 degree, make, adopt the light collection device of the application, the light source of headlamp and light collection device, other structures such as grenade instrumentation and lampshade are not located along the same line, that is, after have employed the light collection device of the application, reduce dimension of light source to the impact of headlamp length, and then make headlamp have less length, so, facilitate installation and the use of headlamp.
As the preferred version of the application, described reflecting surface is light fully reflecting surface.
In the such scheme of the application, reflecting surface is set to full light reflection face, the light that light source is sent all can be collected directive grenade instrumentation by light collection device, improve the utilization rate of light source, that is, under identical illumination intensity, headlamp can adopt more low power light source, save the energy, reduced cooling requirements, and then simplify lamp box structure and manufacturing cost; And directly enhance stability and the reliability of headlamp, and the physical dimension of headlamp can be reduced.
As another preferred version of the application, described reflecting surface is the combination in coated reflection face or fully reflecting surface and coated reflection face.
In the such scheme of the application, reflecting surface is set to the combination in coated reflection face or fully reflecting surface and coated reflection face, make reflecting surface that the light irradiated thereon is all collected reflection, first be the utilization rate improving light source, also reduce requirement reflecting surface being made to precision simultaneously, reduce light collection device manufacture difficulty and cost of manufacture.
As the further preferred version of the application, described reflecting surface is continuous curve surface.
In the such scheme of the application, reflecting surface being set to continuous curve surface, is first the processing and the making that facilitate reflecting surface, on the other hand, be reflected into holistic continuous curve surface, between the light regional that it reflects, there is good transitionality, and then improve the lighting quality of headlamp.
As another preferred version of the application, described reflecting surface is combined by least two discrete surfaces.
In the such scheme of the application, reflecting surface is combined by least two discrete surfaces, according to actual illumination needs, can arrange the light of multiple discrete surface to light source and collect and reflect, be convenient to the control to light, improves the lighting quality of headlamp.
As the further preferred version of the application, described light collection device body is lenticular body, and described reflecting surface is the lateral wall of lenticular body.
In the such scheme of the application, light collection device body is set to lenticular body, reason is, the structure problem of current light collection device, due to the lighting quality in order to ensure headlamp, in the fabrication process, the accuracy of manufacture of its reflecting surface has high requirement, and for the light collection device of current bowl structure, its reflecting surface is the medial surface of bowl structure, need complicated layout operation and equipment can this side of well processed in processing and manufacturing process, so also make current light collection device have higher manufacturing cost; So, in this application, light collection device body is set to lenticular body, reflecting surface is the lateral wall of lenticular body, so, making when processing the application's reflecting surface, is the lateral surface of lens working body, compared to processing medial surface, more convenient, so adopt lenticular body as light collection device, not only simplify manufacturing procedure, but also machining accuracy can be improved easily, improve the lighting quality of headlamp.
As the further preferred version of the application, described light collection device body is also provided with the light source container cavity for holding headlamp, the inwall of described container cavity is the described plane of incidence.
In the such scheme of the application, light source container cavity and light collection device body are monolithic construction, and in assembling process, the light source of headlamp is arranged in light source container cavity, that is, relative position in fact between light source and light collection device is fixed, and in assembling process, facilitates the location of light source, decrease the adjustment operation between light source and light collection device, facilitate installation, reduce assembly difficulty, reduce the production cost of headlamp.
As the further preferred version of the application, described exit facet is with perpendicular by the irradiant direction of described light collection device.
In the such scheme of the application, exit facet is set to the irradiant direction of light collection device body perpendicular, and then the light penetrated on exit facet can be tried one's best many injection light collection device bodies, reduce light is reflected back light collection device body possibility by exit facet, improve the utilization rate of light source, but also reduce the interference of this part light to headlamp lighting light, improve the lighting quality of headlamp.
As the further preferred version of the application, the light collection device of the application also includes positioner, and described positioner is used for light collection device to be fixed in headlamp.
In the such scheme of the application, positioner is set on the lens body, it is monolithic construction that relative position is fixing between light collection device body and positioner, in the assembling process of headlamp, facilitate the assembling of light collection device, and well can ensure the precision of the relative position between light collection device and other structures of headlamp, while reducing assembly difficulty, also improve the accuracy of manufacture of headlamp.
Disclosed herein as well is a kind of headlamp, which employs above-mentioned light collection device.
Headlamp due to the application have employed above-mentioned light collection device, the headlamp of the application is made to have better reliability, simultaneously, also be due between light collection device body and shade for monolithic construction, so, in manufacturing process, decrease the operation of assembling process, reduce assembly difficulty, and then also reduce the production cost of headlamp.
In sum, owing to have employed technique scheme, the beneficial effect of the application is:
Adopt the light collection device of the application, other structures such as the light source of headlamp and light collection device, grenade instrumentation and lampshade are not located along the same line, that is, after have employed the light collection device of the application, reduce dimension of light source to the impact of headlamp length, and then make headlamp have less length, so, facilitate installation and the use of headlamp.
The beneficial effect of other embodiments of the application is:
1, light utilization efficiency obtains and significantly improves;
2, under identical illumination intensity, headlamp can adopt more low power light source, has saved the energy;
3, reduce the caloric value of light source significantly, directly enhance stability and the reliability of headlamp, and the physical dimension of headlamp can be reduced, further reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application's light collection device;
The structural representation that Fig. 2 is reflecting surface when being at least two discrete surfaces;
Fig. 3 is structural representation when light collection device body being arranged breach;
Fig. 4 is the structural representation of the headlamp adopting the application's light collection device,
Mark in figure: 1-light collection device body, 2-bottom surface, 3-reflecting surface, the 4-plane of incidence, 5-exit facet, 6-light source container cavity, 7-positioner, 8-breach, 9-shade, 10-grenade instrumentation, the major axes orientation that A-light source emits beam, the projecting direction of B-light collection device body.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1: as shown in figs. 1 and 4,
A kind of light collection device, comprise light collection device body 1, described light collection device body 1 comprises the plane of incidence 4, bottom surface 2, reflecting surface 3 and exit facet 5, the described plane of incidence 4 is arranged on described bottom surface 2, the light that light source sends enters light collection device body 1 by the plane of incidence 4 refraction, exit facet 5 is arrived after reflecting surface 3 reflects, reflect after light collection device body 1 through exit facet 5 again and project headlamp grenade instrumentation 10, and then project road surface, the projecting direction B angle of the major axes orientation A that described light source emits beam and light collection device body 1 is 20-90 degree.
In the such scheme of the present embodiment, adopt the light collection device of the present embodiment, other structures such as the light source of headlamp and light collection device, grenade instrumentation 10 and lampshade are not located along the same line, that is, after have employed the light collection device of the present embodiment, reduce dimension of light source to the impact of headlamp length, and then make headlamp have less length, so, installation and the use of headlamp is facilitated.
Embodiment 2, as shown in figs. 1 and 4,
Light collection device as described in Example 1, difference is, the major axes orientation A that described light source emits beam and projecting direction B angle are 50 degree.
When the major axes orientation A that light source emits beam and projecting direction B angle are 50 degree, more traditional headlamp size, adopt the light collection device of the present embodiment, headlamp has less length.
Embodiment 3, as shown in figs. 1 and 4,
Light collection device as described in Example 1, difference is, the major axes orientation A that described light source emits beam and projecting direction B angle are 80 degree.
When the major axes orientation A that light source emits beam and projecting direction B angle are 80 degree, more traditional headlamp size, adopt the light collection device of the present embodiment, headlamp has less length.
Embodiment 4, as shown in figs. 1 and 4,
Light collection device as described in Example 1, difference is, the major axes orientation A that described light source emits beam and projecting direction B angle are 90 degree.
When the major axes orientation A that light source emits beam and projecting direction B angle are 90 degree, more traditional headlamp size, adopt the light collection device of the present embodiment, headlamp has less length.
Embodiment 5, as shown in Figure 1,
As the light collection device of embodiment 1-4 as described in any one, described reflecting surface 3 is light fully reflecting surface 3.
In the such scheme of the present embodiment, reflecting surface 3 is set to full light reflection face 3, the light that light source is sent all can be collected directive grenade instrumentation 10 by light collection device, improve the utilization rate of light source, that is, under identical illumination intensity, headlamp can adopt more low power light source, save the energy, reduced cooling requirements, and then simplify lamp box structure and manufacturing cost; And directly enhance stability and the reliability of headlamp, and the physical dimension of headlamp can be reduced.
Embodiment 6, as shown in Figure 1,
As the light collection device of embodiment 1-4 as described in any one, described reflecting surface 3 is the combination in coated reflection face or fully reflecting surface and coated reflection face.
In the such scheme of the present embodiment, reflecting surface 3 is set to the combination in coated reflection face or fully reflecting surface and coated reflection face, make reflecting surface 3 that the light irradiated thereon is all collected reflection, first be the utilization rate improving light source, also reduce requirement reflecting surface 3 being made to precision simultaneously, reduce light collection device manufacture difficulty and cost of manufacture.
Embodiment 7, as shown in Figure 1,
As the light collection device of embodiment 1-6 as described in any one, described reflecting surface 3 is continuous curve surface.
In the such scheme of the present embodiment, reflecting surface 3 being set to continuous curve surface, is first the processing and the making that facilitate reflecting surface 3, on the other hand, be reflected into holistic continuous curve surface, between the light regional that it reflects, there is good transitionality, and then improve the lighting quality of headlamp.
Embodiment 8, as shown in Figure 2,
As the light collection device of embodiment 1-6 as described in any one, described reflecting surface 3 is combined by least two discrete surfaces.
In the such scheme of the present embodiment, reflecting surface 3 is combined by least two discrete surfaces, according to actual illumination needs, can arrange the light of multiple discrete surface to light source and collect and reflect, be convenient to the control to light, improve the lighting quality of headlamp.
Embodiment 9, as shown in Figures 3 and 4,
As the light collection device of embodiment 1-8 as described in any one, described light collection device body 1 is lenticular body, described reflecting surface 3 is the lateral wall of lenticular body, described light collection device body 1 is also provided with the light source container cavity 6 for holding headlamp, the inwall of described light source container cavity 6 is the described plane of incidence 4, described exit facet 5 is with perpendicular by the irradiant direction of described light collection device, described light collection device also includes positioner 7, described positioner 7 is for being fixed in headlamp by light collection device, described positioner 7 is arranged on the bottom surface 2 of described light collection device body 1, described lenticular body is also provided with breach 8 as shade 9, described shade 9 is for stopping the some light of directive headlamp grenade instrumentation 10, grenade instrumentation 10 is launched meet headlamp lighting to join photodistributed light.
In the such scheme of the present embodiment, light collection device body 1 is set to lenticular body, reason is, the structure problem of current light collection device, due to the lighting quality in order to ensure headlamp, in the fabrication process, the accuracy of manufacture of its reflecting surface 3 has high requirement, and for the light collection device of current bowl structure, its reflecting surface 3 is the medial surface of bowl structure, need complicated layout operation and equipment can this side of well processed in processing and manufacturing process, so also make current light collection device have higher manufacturing cost; So, in the present embodiment, light collection device body 1 is set to lenticular body, reflecting surface 3 is the lateral wall of lenticular body, so, making when processing the present embodiment reflecting surface 3, is the lateral surface of lens working body, compared to processing medial surface, more convenient, so adopt lenticular body as light collection device, not only simplify manufacturing procedure, but also machining accuracy can be improved easily, improve the lighting quality of headlamp;
Light source container cavity 6 and light collection device body 1 are monolithic construction, in assembling process, the light source of headlamp is arranged in light source container cavity 6, and that is, the relative position in fact between light source and light collection device is fixed, in assembling process, facilitate the location of light source, decrease the adjustment operation between light source and light collection device, facilitate installation, reduce assembly difficulty, reduce the production cost of headlamp;
Exit facet 5 is set to the irradiant direction of light collection device body 1 perpendicular, and then the light penetrated on exit facet 5 can be tried one's best many injection light collection device bodies 1, reduce light is reflected back light collection device body 1 possibility by exit facet 5, improve the utilization rate of light source, but also reduce the interference of this part light to headlamp lighting light, improve the lighting quality of headlamp;
Positioner 7 is set on the lens body, it is monolithic construction that relative position is fixing between light collection device body and positioner 7, in the assembling process of headlamp, facilitate the assembling of light collection device, and well can ensure the precision of the relative position between light collection device and other structures of headlamp, while reducing assembly difficulty, also improve the accuracy of manufacture of headlamp;
Breach 8 is set on the lens body as shade 9, that is be monolithic construction that relative position is fixing between light collection device body 1 and shade 9, directly avoid light collection device body 1 possibility that relative displacement occur direct with shade 9, so, no matter in carrying transportation, or on mounted vehicle after, namely the position between light collection device body 1 and shade 9 is fixed, so, the reliability of headlamp is directly enhanced; Meanwhile, be also due between light collection device body 1 and shade 9 for monolithic construction, so, in manufacturing process, decrease the operation of assembling process, reduce assembly difficulty, and then also reduce the production cost of headlamp.
Embodiment 10, as shown in Figure 4,
The present embodiment also discloses a kind of headlamp, which employs the light collection device as embodiment 1-9 any one.
Headlamp due to the present embodiment have employed above-mentioned light collection device, the headlamp of the present embodiment is made to have better reliability, simultaneously, also be due between light collection device body 1 and shade 9 for monolithic construction, so, in manufacturing process, decrease the operation of assembling process, reduce assembly difficulty, and then also reduce the production cost of headlamp.
All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a light collection device, comprise light collection device body, it is characterized in that: described light collection device body comprises the plane of incidence, bottom surface, reflecting surface and exit facet, the described plane of incidence is arranged on described bottom surface, the light that light source sends enters light collection device body by plane of incidence refraction, exit facet is arrived after reflective surface, reflect after light collection device body through exit facet again and project headlamp grenade instrumentation, and then project road surface, the projecting direction angle of the major axes orientation that described light source emits beam and light collection device body is 20-90 degree.
2. light collection device according to claim 1, is characterized in that: described reflecting surface is light fully reflecting surface.
3. light collection device according to claim 1, is characterized in that: described reflecting surface is coated reflection face.
4. light collection device according to claim 1, is characterized in that: described reflecting surface is the combination of coated reflection face and fully reflecting surface.
5. light collection device according to claim 1, is characterized in that: described reflecting surface is continuous curve surface.
6. light collection device according to claim 1, is characterized in that: described reflecting surface is combined by least two discrete surfaces.
7. the light collection device according to claim 2-6 any one, is characterized in that: described light collection device body is lenticular body.
8. light collection device according to claim 1, is characterized in that: described light collection device body is also provided with the light source container cavity for holding headlamp.
9. the light collection device according to claim 1-8 any one, is characterized in that: also include positioner, and described positioner is arranged on the bottom surface of described light collection device body.
10. a headlamp, is characterized in that: comprise light collection device as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925039.9A CN105423216B (en) | 2015-12-14 | 2015-12-14 | A kind of light collection device and headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925039.9A CN105423216B (en) | 2015-12-14 | 2015-12-14 | A kind of light collection device and headlamp |
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| Publication Number | Publication Date |
|---|---|
| CN105423216A true CN105423216A (en) | 2016-03-23 |
| CN105423216B CN105423216B (en) | 2019-04-26 |
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|---|---|---|---|
| CN201510925039.9A Active CN105423216B (en) | 2015-12-14 | 2015-12-14 | A kind of light collection device and headlamp |
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| Publication number | Publication date |
|---|---|
| CN105423216B (en) | 2019-04-26 |
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