CN205208372U - Light collection device device and head -light with beam -splitting structure - Google Patents

Light collection device device and head -light with beam -splitting structure Download PDF

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Publication number
CN205208372U
CN205208372U CN201521035658.2U CN201521035658U CN205208372U CN 205208372 U CN205208372 U CN 205208372U CN 201521035658 U CN201521035658 U CN 201521035658U CN 205208372 U CN205208372 U CN 205208372U
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Prior art keywords
light
light collection
splitting
collection
headlamp
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CN201521035658.2U
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霍永峰
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Chengdu Heng Kun Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
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Chengdu Heng Kun Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
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Abstract

The utility model relates to the technical field of lighting technology, concretely relates to light collection device device and head -light with beam -splitting structure, the light collection device device includes light collection device device body, be provided with beam -splitting structure on the light collection device device body, beam -splitting structure is used for reflection or refraction light collection device device body directive head -light projection unit's partial light, makes projection unit launch the pattern that satisfies head -light illumination grading and distribute. This scheme sees from energy -conserving angle that the light of isolating can be through carrying on transform utilization to improve the efficiency of light energy utilization. See the possibility of directly having avoided taking place relative displacement between light collection device device body and the beam -splitting structure from the structure angle, so, no matter be in the transport transportation, still by after on the vehicle of installing, the position between light collection device device body and the beam -splitting structure is fixed promptly, so, the reliability of head -light has directly been improved, in manufacturing process, reduced assembling process's process, reduced the assembly degree of difficulty.

Description

A kind of light collection device and headlamp with beam-splitting structure
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of light collection device and the headlamp with beam-splitting structure.
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.
Along with going deep into of research, present inventor finds, current headlamp in actual use and unreliable, reason is, due to light source, be mutually corresponding and separate structure between light collection device and shade, even if manufacturing the assembling obtaining fineness in assembling process, but in handling process, these parts are also likely shifted because of vibrations and collision, particularly in its use procedure, because headlamp is arranged on vehicle, when vehicle operating, vehicle body is in dither state always, when particularly road conditions are poor, shake more strong, when these are shaken, light source, relative position between light collection device and shade is as easy as rolling off a log to be moved, and cause the illumination intensity of headlamp and lighting pattern not to be inconsistent the requirement of relevant criterion,
On the other hand, due to the rigorous of relative position between light source, light collection device and shade, so in the manufacturing, and in assembling process, strict demand is had to manufacturing process and assembly technology, not only need workman to have skilled technique, but also need more tooling device, process flow and human input, so higher production cost.
So, in sum, need one at present badly and namely can reduce manufacturing cost, there is again the headlamp of good reliability.
Summary of the invention
The purpose of this utility model is: high for current headlamp manufacturing cost, and insecure problem again provides one namely can reduce manufacturing cost, has again the headlamp of good reliability.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of light collection device with beam-splitting structure, comprise light collection device body, described light collection device body being provided with beam-splitting structure, the mode separate section light of described beam-splitting structure by reflecting or reflect, grenade instrumentation being launched meet headlamp lighting to join photodistributed pattern.
In the such scheme of the application, light collection device body arranges beam-splitting structure, the mode separate section light of described beam-splitting structure by reflecting or reflect, grenade instrumentation is launched meet headlamp lighting to join photodistributed pattern, that is in the technical scheme of the application, beam-splitting structure is equivalent to the shade in traditional head lamp structure, and in this application, beam-splitting structure and light collection device are the monolithic construction that relative position is fixed, directly avoid the possibility that relative displacement occurs between light collection device body and beam-splitting structure, so, no matter be in carrying transportation, or after on mounted vehicle, namely position between light collection device body and beam-splitting structure is fixed, so, directly enhance the reliability of headlamp, meanwhile, be also due between light collection device body and beam-splitting structure 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.
As the preferred version of the application, described light collection device body is lenticular body, and described beam-splitting structure is arranged in described lenticular body.
In the such scheme of the application, light collection device body is set to lenticular body, make the light collection device structure of the application unified, and structure is simple, relative position between each optical flat is fixing reliable, further increase stability and the reliability of headlamp, reduce manufacturing cost, and also reduce follow-up assembly difficulty.
As the preferred version of the application, described lenticular body is provided with breach, the wall of described breach is as described beam-splitting structure.
In the such scheme of the application, light collection device is set to lenticular body, lenticular body is provided with breach, the wall of breach is as described beam-splitting structure, that is, the wall of the light collection device scioptics body of the application is as beam-splitting structure, a wherein part for the light of directive headlamp grenade instrumentation is by the refraction of the wall of lenticular body or reflection, and then make headlamp grenade instrumentation project satisfactory light distribution patterns, light collection device and beam-splitting structure have better integraty, directly avoid the risk that relative position changes, further improve the reliability in use procedure, but also make light collection device body and beam-splitting structure structure simple, convenient manufacture, assembling and the later stage with changing jobs.
As another preferred version of the application, described lenticular body has exit end, the light that headlamp light source sends is penetrated by described exit end after described light collection device body is collected, then directive headlamp grenade instrumentation, and the portion end surface of described exit end is described beam-splitting structure.
In the such scheme of the application, the portion end surface of the exit end of lenticular body, as beam-splitting structure, further facilitates processing and the manufacture of the application's light collection device, reduces processing and manufacturing difficulty and the cost of light collection device.
As the preferred version of the application, the light reflection irradiated thereon returns in described light collection device body by described beam-splitting structure, and the light that the structure reflects that is split returns is directive headlamp grenade instrumentation after described light collection device body is collected again.
In the such scheme of the application, be split the light of structure reflects again by light collection device body Collection utilization, improve the utilization rate of headlamp light source, and then make under the prerequisite obtaining identical intensity of illumination, adopt the light collection device of the application can reduce to use the power of light source, while reducing costs, also reduce the caloric value of light source, improve the reliability of light source, also reduce the cooling requirements to light source, also improve the reliability of headlamp.
As another preferred version of the application, this is external by irradiating light reflection thereon or reflecting described light collection device for described beam-splitting structure.
In the such scheme of the application, by the light reflection be radiated on beam-splitting structure or reflect light collection device this is external, first be avoid this part light to disturb the last lighting pattern formed, simultaneously, can also by arranging other light conversion, the light this part be reflected utilizes again, and then the utilization rate that raising light source emits beam.
As the preferred version of the application, described beam-splitting structure be provided with plated film or be coated with reflectorized material, the light be radiated on beam-splitting structure is all reflected.
By arranging plated film or being coated with reflectorized material, the light be radiated on beam-splitting structure is all reflected, reduces the requirement of beam-splitting structure precision, further reduce the manufacture difficulty of the application's light collection device.
As the preferred version of the application, described beam-splitting structure has an edge, the shape of the shape controlling headlamp grenade instrumentation projective patterns at this edge, and the plane at this place, edge and the focus of described headlamp grenade instrumentation coincide.
In the such scheme of the application, because the plane at the focus of grenade instrumentation and the place, edge of beam-splitting structure coincides, namely the pattern of the field of illumination that grenade instrumentation is projected has edge contour clearly, the shape of this edge contour is determined by the above-mentioned edge shape of beam-splitting structure, namely, the field of illumination of control headlamp that can be good, such as, forms the lighting pattern with clear "cut-off"line.
As the preferred version of the application, described light collection device body being also provided with the light source container cavity of the light source for holding headlamp, is monolithic construction that relative position is fixing between described light source container cavity and described light collection device body.
In the such scheme of the application, light source container cavity and light collection device body are also integral type structure, 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 also fixed, in assembling process, facilitate the location of light source, decrease the adjustment operation between light source and light collection device body and shade, further facilitate installation, reduced assembly difficulty, reduce the production cost of headlamp.
As the preferred version of the application, described light collection device body comprises 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 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 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.
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 beam-splitting structure 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:
1, in this application, beam-splitting structure and light collection device are the monolithic construction that relative position is fixed, directly avoid the possibility that relative displacement occurs between light collection device body and beam-splitting structure, so, no matter in carrying transportation, or on mounted vehicle after, namely the position between light collection device body and beam-splitting structure is fixed, so, the reliability of headlamp is directly enhanced;
2, owing to being monolithic construction between light collection device body and beam-splitting structure, so, in manufacturing process, decrease the operation of assembling process, reduce assembly difficulty, and then also reduce the production cost of headlamp;
The beneficial effect of the application's headlamp is:
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 beam-splitting structure 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application's light collection device;
Fig. 2 is the structural representation of the light collection device arranging plated film or reflectorized material;
Fig. 3 is the structural representation that beam-splitting structure is arranged on exit end;
Fig. 4 is another structural representation that beam-splitting structure is arranged on exit end,
Fig. 5 is the structural representation of the application's headlamp,
Mark in figure: 1-light collection device body, 2-beam-splitting structure, 3-breach, 4-exit end, 5-plated film or be coated with reflectorized material, 6-edge, 7-light source container cavity, 8-bottom surface, 9-reflecting surface, 10-exit facet, the 11-plane of incidence, 12-grenade instrumentation, 13-light source, 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 utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment, as described in figures 1 and 5,
A kind of light collection device with beam-splitting structure, comprise light collection device body 1, described light collection device body 1 is provided with beam-splitting structure 2, the mode separate section light of described beam-splitting structure 2 by reflecting or reflect, grenade instrumentation 12 is launched meet headlamp lighting to join photodistributed pattern, described light collection device body 1 is lenticular body, and described beam-splitting structure 2 is arranged in described lenticular body.
In the such scheme of the application, light collection device body 1 arranges beam-splitting structure 2, the mode separate section light of described beam-splitting structure 2 by reflecting or reflect, grenade instrumentation 12 is launched meet headlamp lighting to join photodistributed pattern, that is in the technical scheme of the application, beam-splitting structure 2 is equivalent to the shade in traditional head lamp structure, and in this application, beam-splitting structure 2 and light collection device are the monolithic construction that relative position is fixed, directly avoid the possibility that relative displacement occurs between light collection device body 1 and beam-splitting structure 2, so, no matter be in carrying transportation, or after on mounted vehicle, namely position between light collection device body 1 and beam-splitting structure 2 is fixed, so, directly enhance the reliability of headlamp, meanwhile, be also due between light collection device body 1 and beam-splitting structure 2 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, light collection device body 1 is set to lenticular body, make the light collection device structure of the application unified, and structure is simple, relative position between each optical flat is fixing reliable, further increase stability and the reliability of headlamp, reduce manufacturing cost, and also reduce follow-up assembly difficulty.
Embodiment 2, as described in figures 1 and 5,
Light collection device as described in Example 1, described lenticular body is provided with breach 3, and the wall of described breach 3 is as described beam-splitting structure 2.
In the such scheme of the application, light collection device is set to lenticular body, lenticular body is provided with breach 3, the wall of breach 3 is as described beam-splitting structure 2, that is, the wall of the light collection device scioptics body of the application is as beam-splitting structure 2, a wherein part for the light of directive headlamp grenade instrumentation 12 is by the refraction of the wall of lenticular body or reflection, and then make headlamp grenade instrumentation 12 project satisfactory light distribution patterns, light collection device and beam-splitting structure 2 have better integraty, directly avoid the risk that relative position changes, further improve the reliability in use procedure, but also make light collection device body 1 and beam-splitting structure 2 structure simple, convenient manufacture, assembling and the later stage with changing jobs.
Embodiment 3, as shown in Fig. 3 and 5 or 4 and 5,
Light collection device as described in Example 1, described lenticular body has exit end 4, the light that headlamp light source 13 sends is penetrated by described exit end 4 after described light collection device body 1 is collected, directive headlamp grenade instrumentation 12 again, the portion end surface of described exit end 4 is described beam-splitting structure 2.
In the such scheme of the application, the portion end surface of the exit end 4 of lenticular body, as beam-splitting structure 2, further facilitates processing and the manufacture of the application's light collection device, reduces processing and manufacturing difficulty and the cost of light collection device.
Embodiment 4, as Figure 1-5,
Light collection device as described in embodiment 1-3 any one, the light reflection irradiated thereon returns in described light collection device body 1 by described beam-splitting structure 2, and the light that the structure that is split 2 is reflected back is directive headlamp grenade instrumentation 12 after described light collection device body 1 is collected again.
In the such scheme of the application, the light that the structure that is split 2 reflects is again by light collection device body 1 Collection utilization, improve the utilization rate of headlamp light source 13, and then make under the prerequisite obtaining identical intensity of illumination, adopt the light collection device of the application can reduce to use the power of light source 13, while reducing costs, also reduce the caloric value of light source 13, improve the reliability of light source 13, also reduce the cooling requirements to light source 13, also improve the reliability of headlamp.
Embodiment 5, as Figure 1-5,
Light collection device as described in embodiment 1-3 any one, described beam-splitting structure 2 is by the light reflection irradiated thereon or reflect outside described light collection device body 1.
In the such scheme of the application, by the light reflection be radiated on beam-splitting structure 2 or reflect outside light collection device body 1, first be avoid this part light to disturb the last lighting pattern formed, simultaneously, can also by arranging other light conversion, the light this part be reflected utilizes again, and then the utilization rate that raising light source 13 emits beam.
Embodiment 6, as shown in Figure 2-5,
Light collection device as described in embodiment 1-5 any one, described beam-splitting structure 2 is provided with plated film or is coated with reflectorized material 5 reflectorized material 5, and the light be radiated on beam-splitting structure 2 is all reflected.
By arranging plated film or being coated with reflectorized material 5 reflectorized material 5, the light be radiated on beam-splitting structure 2 is all reflected, reduces the requirement of beam-splitting structure 2 precision, further reduce the manufacture difficulty of the application's light collection device.
Embodiment 7, as Figure 1-5,
Light collection device as described in embodiment 1-6 any one, described beam-splitting structure 2 has an edge 6, the shape of shape controlling headlamp grenade instrumentation 12 projective patterns at this edge 6, the plane at this place, edge 6 and the focus of described headlamp grenade instrumentation 12 coincide.
In the such scheme of the application, because the plane at the focus of grenade instrumentation 12 and the place, edge 6 of beam-splitting structure 2 coincides, namely the pattern of the field of illumination that grenade instrumentation 12 is projected has edge 6 profile clearly, the shape of this edge 6 profile is determined by above-mentioned edge 6 shape of beam-splitting structure 2, namely, the field of illumination of control headlamp that can be good, such as, forms the lighting pattern with clear "cut-off"line.
Embodiment 8, as Figure 1-5,
Light collection device as described in embodiment 1-7 any one, described light collection device body 1 is also provided with the light source container cavity light source container cavity 7 of the light source 13 for holding headlamp, it is monolithic construction that relative position is fixing between described light source container cavity light source container cavity 7 and described light collection device body 1, described light collection device body 1 comprises the plane of incidence 11, bottom surface 8, reflecting surface 9 and exit facet 10, the described plane of incidence is arranged on described bottom surface, the light that light source 13 sends enters light collection device body 1 by the plane of incidence 11 refraction, exit facet 10 is arrived after reflecting surface 9 reflects, reflect after light collection device body 1 through exit facet 10 again and project headlamp grenade instrumentation 12, and then project road surface, the projecting direction B angle of the major axes orientation A that described light source 13 emits beam and light collection device body 1 is 20-90 degree.
In the such scheme of the application, light source container cavity light source container cavity 7 and light collection device body 1 are also integral type structure, in assembling process, the light source 13 of headlamp is arranged in light source container cavity light source container cavity 7, that is, relative position in fact between light source 13 and light collection device is also fixed, in assembling process, facilitate the location of light source 13, decrease the adjustment operation between light source 13 and light collection device body 1 and shade, further facilitate installation, reduced assembly difficulty, reduce the production cost of headlamp, light collection device body 1 comprises the plane of incidence 11, bottom surface 8, reflecting surface 9 and exit facet 10, the light that light source 13 sends enters light collection device body 1 by the plane of incidence 11 refraction, exit facet 10 is arrived after reflecting surface 9 reflects, reflect after light collection device body 1 through exit facet 10 again and project headlamp grenade instrumentation 12, and then project road surface, the projecting direction B angle of the major axes orientation A that light source 13 emits beam and light collection device body 1 is 20-90 degree, make, adopt the light collection device of the application, the light source 13 of headlamp and light collection device, other structures such as grenade instrumentation 12 and lampshade are not located along the same line, that is, after have employed the light collection device of the application, reduce light source 13 size to the impact of headlamp length, and then make headlamp have less length, so, facilitate installation and the use of headlamp.
Embodiment 9, as Figure 1-5,
Disclosed herein as well is a kind of headlamp, which employs the light collection device described in embodiment 1-8 any one.
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 1 and beam-splitting structure 2 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 do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. one kind has the light collection device of beam-splitting structure, comprise light collection device body, it is characterized in that: described light collection device body is lenticular body, lenticular body is provided with beam-splitting structure, the mode separate section light of described beam-splitting structure by reflecting or reflect, makes grenade instrumentation launch to meet headlamp lighting to join photodistributed pattern.
2. light collection device according to claim 1, it is characterized in that: described light collection device body comprises bottom surface, reflecting surface and exit facet, the 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.
3. light collection device according to claim 1, is characterized in that: described lenticular body is provided with breach, and the wall of described breach is as described beam-splitting structure.
4. light collection device according to claim 1, it is characterized in that: described lenticular body has exit end, the light that headlamp light source sends is penetrated by described exit end after described light collection device body is collected, directive headlamp grenade instrumentation again, the portion end surface of described exit end is described beam-splitting structure.
5. the light collection device according to claim 1-4 any one, it is characterized in that: the light reflection irradiated thereon returns in described light collection device body by described beam-splitting structure, and the light that the structure reflects that is split returns is directive headlamp grenade instrumentation after described light collection device body is collected again.
6. the light collection device according to claim 1-4 any one, is characterized in that: this is external by irradiating light reflection thereon or reflecting described light collection device for described beam-splitting structure.
7. light collection device according to claim 1, is characterized in that: described beam-splitting structure be provided with plated film or be coated with reflectorized material, and the light be radiated on beam-splitting structure is reflected.
8. light collection device according to claim 1, is characterized in that: described beam-splitting structure is separated light in the mode of total reflection.
9. the light collection device according to claim 1-4 any one, is characterized in that: described beam-splitting structure has an edge, the shape of the shape controlling headlamp grenade instrumentation projective patterns at this edge.
10. a headlamp, is characterized in that: comprise light collection device as described in claim 1-9 any one.
CN201521035658.2U 2015-12-14 2015-12-14 Light collection device device and head -light with beam -splitting structure Active CN205208372U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105351860A (en) * 2015-12-14 2016-02-24 周礼书 Light collecting device and headlamp provided with light splitting structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105351860A (en) * 2015-12-14 2016-02-24 周礼书 Light collecting device and headlamp provided with light splitting structure
CN105351860B (en) * 2015-12-14 2019-12-20 成都恒坤光电科技有限公司 Light collection device and head-light with beam splitting structure

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