CN205137281U - Head -light and be used for light reflection separation conversion equipment of this head -light - Google Patents
Head -light and be used for light reflection separation conversion equipment of this head -light Download PDFInfo
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- CN205137281U CN205137281U CN201520767316.3U CN201520767316U CN205137281U CN 205137281 U CN205137281 U CN 205137281U CN 201520767316 U CN201520767316 U CN 201520767316U CN 205137281 U CN205137281 U CN 205137281U
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Abstract
The utility model relates to the technical field of lighting technology, concretely relates to head -light and be used for light reflection separation conversion equipment of this head -light, a head -light, including light source subassembly, light projection unit, still include light reflection separation conversion equipment, light reflection separation conversion equipment includes first reflect meter and second reflect meter, the light directive that the light source subassembly sent first reflect meter, not by the light of first reflect meter reflection forms light a directive light projection unit, the quilt the light directive of first reflect meter reflection the second reflect meter, the warp the reflection of second reflect meter forms light b directive light projection unit, light an is at the warp form the passing lamp grading pattern that has clear cut line behind the light projection unit. The head -light of more traditional adoption light screen shading, the smooth utilization ratio of the head -light of this application has obtained improvement by a wide margin.
Description
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of headlamp and is separated conversion equipment for the light reflection of this 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.
The formation basic theory of above-mentioned "cut-off"line, although be used among current headlamp widely at present, but it still also exists the technological deficiency that can not avoid, be embodied in the problem of its light utilization efficiency, namely, based on above-mentioned principle, the structure of current automobile dipped headlight normally includes light source and for blocking the irradiant shadow shield of light source, due to the existence of shadow shield, the light portion that light source is penetrated is blocked, and then make the region part that is illuminated darker, and another part is brighter, that is, the light that light source sends a wherein part is blocked plate and blocks, do not participate in illumination work, so make the headlamp of current said structure, its light utilization efficiency is not high.
Due to the problem that upper beam utilization rate is not high, its result directly caused is exactly the waste to light source power, namely, in order to reach certain intensity of illumination, need the light source choosing relatively high power, and choose powerful light source due to needs, also just bring many adverse influences to headlamp, such as be unfavorable for the heat radiation of headlamp, make headlamp volume comparatively large and be inconvenient to install etc.
So, based on above-mentioned, need a kind of headlamp that can improve light utilization efficiency at present badly.
Summary of the invention
The purpose of this utility model is: for the problem that current headlamp light source utilization rate is not high, provides a kind of and can improve the headlamp of light utilization efficiency and be separated conversion equipment for the light reflection of this headlamp.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of headlamp, comprise light source assembly, light projection device, also comprise light reflection and be separated conversion equipment, described light reflection is separated conversion equipment and comprises the first reflection unit and the second reflection unit, first reflection unit described in the light directive that described light source assembly sends, do not formed light projection device described in light a directive by the light of described first reflection unit reflection, by the second reflection unit described in the light directive of described first reflection unit reflection, light projection device described in light b directive is reflected to form through described second reflection unit, described light a is forming the dipped headlights light distribution patterns with "cut-off"line after described light projection device.
In the such scheme of the application, the light that light source assembly sends is separated after conversion equipment and light projection device through light reflection, all be used to illuminate front region, that is, in the such scheme of the application, the light of light source assembly is except inevitably losing in communication process, all be effectively used, so, the headlamp of more traditional employing shadow shield shading, the light utilization efficiency of the headlamp of the application obtains and significantly improves, make, under identical illumination intensity, the headlamp of the application can adopt more low power light source assembly, first be saved the energy and cost, and, also reduce the caloric value of light source assembly significantly, directly enhance stability and the reliability of the application's headlamp, and, without the need to arranging the heat abstractor of large volume, so also reduce the physical dimension of the application's headlamp, further reduce costs, meanwhile, light reflection is separated conversion equipment and is set to comprise the first reflection unit and the second reflection unit, make light reflection be separated conversion device structure simple, convenient manufacture and reduction manufacturing cost.
As further preferred version, described light projection device comprises the first grenade instrumentation and the second grenade instrumentation, the first grenade instrumentation described in described light a directive, and after described first grenade instrumentation, forming the dipped headlights light distribution patterns with "cut-off"line.Light a directive first grenade instrumentation, formed and have the dipped headlights light distribution patterns of "cut-off"line after the first grenade instrumentation, and the direct convenience formation of dipped headlights light distribution patterns, improves the precision of the application's dipped headlights light distribution patterns.
As further preferred version, the second grenade instrumentation described in described light b directive, and on the light distribution patterns being distributed in described light a formation after described second grenade instrumentation.
In traditional head lamp structure, light b is blocked plate all to block, and in the technical scheme of the application, light b is used to be added in the light distribution patterns of light a formation, improve light utilization efficiency, make, under identical illumination intensity, the headlamp of the application can adopt more low power light source assembly; And, in the scheme of the application, first form by a light the light distribution patterns that headlamp has "cut-off"line, then by light b after the second grenade instrumentation, in the light distribution patterns formed at light a according to the requirement branch of headlamp lighting intensity distribution, the light distribution patterns finally obtained more easily is controlled to adjust, and then also improves the precision of the light distribution patterns finally obtained.
As another preferred version of the application, the second grenade instrumentation described in described light b directive, and be added in the field of illumination of dazzle light after described second grenade instrumentation.
In such scheme, light b is added in the field of illumination of dazzle light after the second grenade instrumentation, also light b is made to be utilized, also improve the light utilization efficiency of headlamp equally, and meanwhile, because this some light is added in the field of illumination of high beam, make under same intensity of illumination, the power of high beam can be reduced, at economize energy, while reducing costs, the caloric value of high beam can be reduced too, and then reduce the cost of high beam, and provide stability and the reliability of high beam.
As another preferred version of the application, the second grenade instrumentation described in described light b directive, and after described second grenade instrumentation, forming the light of dazzle light.In such scheme, light b directly forms the light of dazzle light after the second grenade instrumentation, that is, when vehicle adopts the program in the application, can directly dispense traditional high beam, directly significantly improve the light utilization efficiency of the application's dipped headlights, but also reduce the cost in vehicle manufacturing process, simplify the structure of Vehicular illumination system, improve the stability of Vehicular illumination system.
As the preferred version of the application, described first reflection unit is plane mirror or prism.
As the preferred version of the application, described second reflection unit is plane mirror or prism.
In the such scheme of the application, the first reflection unit is set to plane mirror or prism, further simplifies the structure of the application.
As the preferred version of the application, described first reflection unit has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns, and the light that described light source assembly sends forms described light a behind this edge.
In this application, the edge of the first reflection unit is set to special shape, make in this application, the shape of the "cut-off"line obtaining dipped headlights light distribution patterns can be easy to, and the shape of the "cut-off"line of the dipped headlights light distribution patterns obtained has higher stability.
Disclosed herein as well is a kind of light conversion for headlamp reflection,
A kind of light conversion for headlamp reflection, comprise the first reflection unit and the second reflection unit, first reflection unit described in the light directive that light source assembly sends, some light is by the second reflection unit described in directive after described first reflection unit reflection, light b is reflected to form through described second reflection unit, do not formed light projection device described in light a directive by the light of described first reflection unit reflection, light projection device described in described light b directive, described light a and light b forms the dipped headlights light distribution patterns with "cut-off"line after described light projection device.
Conversion equipment is separated by the light reflection of the application, the light sent by light source assembly is except inevitably losing in communication process, all effectively use, make it all to participate in the illumination work of automobile lighting system, so, the headlamp of more traditional employing shadow shield shading, the light utilization efficiency of headlamp is obtained significantly improve, make, under identical illumination intensity, headlamp can adopt more low power light source assembly, first be saved the energy and cost, and, also reduce the caloric value of light source assembly significantly, directly enhance stability and the reliability of headlamp, and, without the need to arranging the heat abstractor of large volume, so also reduce the physical dimension of headlamp, further reduce costs.
As the preferred version of the application, described first reflection unit has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns.
In such scheme, first reflection unit has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns, in other words, in this application, due to the edge shape of the first reflection unit and the "cut-off"line shape of dipped headlights light distribution patterns corresponding, the light that light source assembly sends at the light a formed after the first reflection unit after light projection device, namely the dipped headlights light distribution patterns with "cut-off"line is formed, because namely light a forms light distribution patterns in this scenario, so light b can require on superposition and this light distribution patterns according to light intensity distributions, or as high beam, make the scenario-frame involved by the application simple.
In sum, owing to have employed technique scheme, the beneficial effect 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 assembly, has saved the energy;
3, reduce the caloric value of light source assembly significantly, directly enhance stability and the reliability of headlamp, and the physical dimension of headlamp can be reduced, further reduce manufacturing cost.
The beneficial effect of other embodiments of the application is:
Improve the precision of dipped headlights light distribution patterns.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application;
Fig. 2 is the front view of Fig. 1,
Mark in figure: 1-light source assembly, 2-light projection device, 21-first grenade instrumentation, 22-second grenade instrumentation, 3-light reflection is separated conversion equipment, 31-first reflection unit, 32-second reflection unit, a-light a, b-light b.
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 1: as illustrated in fig. 1 and 2,
A kind of headlamp, comprise light source assembly 1 and light projection device 2, also comprise light reflection and be separated conversion equipment 3, described light reflection is separated conversion equipment 3 and comprises the first reflection unit 31 and the second reflection unit 32, first reflection unit 31 described in the light directive that described light source assembly 1 sends, do not formed light projection device 2 described in light a directive by the light that described first reflection unit 31 reflects, by the second reflection unit 32 described in the light directive that described first reflection unit 31 reflects, light projection device 2 described in light b directive is reflected to form through described second reflection unit 32, described light a is forming the dipped headlights light distribution patterns with "cut-off"line after described light projection device 2.
In the such scheme of the present embodiment, the light that light source assembly 1 sends is separated after conversion equipment 3 and light projection device 2 through light reflection, all be used to illuminate front region, that is, in the such scheme of the present embodiment, the light of light source assembly 1 is except inevitably losing in communication process, all be effectively used, so, the headlamp of more traditional employing shadow shield shading, the light utilization efficiency of the headlamp of the present embodiment obtains and significantly improves, make, under identical illumination intensity, the headlamp of the present embodiment can adopt more low power light source assembly 1, first be saved the energy and cost, and, also reduce the caloric value of light source assembly 1 significantly, directly enhance stability and the reliability of the present embodiment headlamp, and, without the need to arranging the heat abstractor of large volume, so also reduce the physical dimension of the present embodiment headlamp, further reduce costs, meanwhile, light reflection is separated conversion equipment 3 and is set to comprise the first reflection unit 31 and the second reflection unit 32, make light reflection be separated conversion equipment 3 structure simple, convenient manufacture and reduction manufacturing cost.
Embodiment 2: as illustrated in fig. 1 and 2,
Headlamp as described in Example 1, described light projection device 2 comprises the first grenade instrumentation 21 and the second grenade instrumentation 22, first grenade instrumentation 21 described in described light a directive, and after described first grenade instrumentation 21, forming the dipped headlights light distribution patterns with "cut-off"line.Light a directive first grenade instrumentation 21, formed and have the dipped headlights light distribution patterns of "cut-off"line after the first grenade instrumentation 21, and the direct convenience formation of dipped headlights light distribution patterns, improves the precision of the present embodiment dipped headlights light distribution patterns.
Embodiment 3: as illustrated in fig. 1 and 2,
Headlamp as described in Example 2, the second grenade instrumentation 22 described in described light b directive, and on the light distribution patterns being distributed in described light a formation after described second grenade instrumentation 22.
In traditional head lamp structure, light b is blocked plate all to block, and in the technical scheme of the present embodiment, light b is used to be added in the light distribution patterns of light a formation, improve light utilization efficiency, make, under identical illumination intensity, the headlamp of the present embodiment can adopt more low power light source assembly 1; And, in the scheme of the present embodiment, first form by a light the light distribution patterns that headlamp has "cut-off"line, then by light b after the second grenade instrumentation 22, in the light distribution patterns formed at light a according to the requirement branch of headlamp lighting intensity distribution, the light distribution patterns finally obtained more easily is controlled to adjust, and then also improves the precision of the light distribution patterns finally obtained.
Embodiment 4: as illustrated in fig. 1 and 2,
Headlamp as described in Example 2, the second grenade instrumentation 22 described in described light b directive, and be added in the field of illumination of dazzle light after described second grenade instrumentation 22.
In such scheme, light b is added in the field of illumination of dazzle light after the second grenade instrumentation 22, also light b is made to be utilized, also improve the light utilization efficiency of headlamp equally, and meanwhile, because this some light is added in the field of illumination of high beam, make under same intensity of illumination, the power of high beam can be reduced, at economize energy, while reducing costs, the caloric value of high beam can be reduced too, and then reduce the cost of high beam, and provide stability and the reliability of high beam.
Embodiment 5: as illustrated in fig. 1 and 2,
Headlamp as described in Example 2, the second grenade instrumentation 22 described in described light b directive, and after described second grenade instrumentation 22, forming the light of dazzle light.In such scheme, light b directly forms the light of dazzle light after the second grenade instrumentation 22, that is, when vehicle adopts the program at the present embodiment, can directly dispense traditional high beam, directly significantly improve the light utilization efficiency of the present embodiment dipped headlights, but also reduce the cost in vehicle manufacturing process, simplify the structure of Vehicular illumination system, improve the stability of Vehicular illumination system.
Embodiment 6: as illustrated in fig. 1 and 2,
Headlamp as described in Example 2, described first reflection unit 31 is plane mirror or prism, and described second reflection unit 32 is plane mirror or prism.
In the above-described embodiments, the first reflection unit 31 and the second reflection unit 32 are set to plane mirror or prism, further simplify the structure of the application.
Embodiment 6: as illustrated in fig. 1 and 2,
Headlamp as described in embodiment 1-6, described first reflection unit 31 has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns.
Embodiment 6: as illustrated in fig. 1 and 2,
A kind of light conversion for headlamp reflection, comprise the first reflection unit 31 and the second reflection unit 32, first reflection unit 31 described in the light directive that light source assembly 1 sends, some light is reflected the second reflection unit 32 described in rear directive by described first reflection unit 31, light b is reflected to form through described second reflection unit 32, do not formed light projection device 2 described in light a directive by the light that described first reflection unit 31 reflects, light projection device 2 described in described light b directive, described light a and light b forms the dipped headlights light distribution patterns with "cut-off"line after described light projection device 2.
Conversion equipment 3 is separated by the light reflection of the present embodiment, the light sent by light source assembly 1 is except inevitably losing in communication process, all effectively use, make it all to participate in the illumination work of automobile lighting system, so, the headlamp of more traditional employing shadow shield shading, the light utilization efficiency of headlamp is obtained significantly improve, make, under identical illumination intensity, headlamp can adopt more low power light source assembly 1, first be saved the energy and cost, and, also reduce the caloric value of light source assembly 1 significantly, directly enhance stability and the reliability of headlamp, and, without the need to arranging the heat abstractor of large volume, so also reduce the physical dimension of headlamp, further reduce costs.
Embodiment 6: as illustrated in fig. 1 and 2,
Light conversion as described in Example 6, described first reflection unit 31 has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns.
In embodiment 6, first reflection unit 31 has an edge corresponding with the "cut-off"line shape of dipped headlights light distribution patterns, in other words, in the present embodiment, due to the edge shape of the first reflection unit 31 and the "cut-off"line shape of dipped headlights light distribution patterns corresponding, the light that light source assembly 1 sends after the first reflection unit 31 formed light a after light projection device 2, namely the dipped headlights light distribution patterns with "cut-off"line is formed, because namely light a forms light distribution patterns in this scenario, so light b can require on superposition and this light distribution patterns according to light intensity distributions, or as high beam, make the scenario-frame involved by the present embodiment simple.
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. a headlamp, comprise light source assembly, light projection device, it is characterized in that, also comprise light reflection and be separated conversion equipment, described light reflection is separated conversion equipment and comprises the first reflection unit and the second reflection unit, first reflection unit described in the light directive that described light source assembly sends, do not formed light projection device described in light a directive by the light of described first reflection unit reflection, by the second reflection unit described in the light directive of described first reflection unit reflection, light projection device described in light b directive is reflected to form through described second reflection unit, described light a is forming the dipped headlights light distribution patterns with "cut-off"line after described light projection device.
2. headlamp according to claim 1, it is characterized in that, described light projection device comprises the first grenade instrumentation and the second grenade instrumentation, the first grenade instrumentation described in described light a directive, and after described first grenade instrumentation, forming the dipped headlights light distribution patterns with "cut-off"line.
3. headlamp according to claim 2, is characterized in that, the second grenade instrumentation described in described light b directive, and on the light distribution patterns being distributed in described light a formation after described second grenade instrumentation.
4. headlamp according to claim 2, is characterized in that, the second grenade instrumentation described in described light b directive, and is being added in the field of illumination of dazzle light after described second grenade instrumentation.
5. headlamp according to claim 2, is characterized in that, the second grenade instrumentation described in described light b directive, and after described second grenade instrumentation, forming the light of dazzle light.
6. the headlamp according to claim 1-5 any one, is characterized in that, described first reflection unit is plane mirror or prism.
7. the headlamp according to claim 1-5 any one, is characterized in that, described second reflection unit is plane mirror or prism.
8. headlamp according to claim 6, is characterized in that, described first reflection unit has the edge corresponding with the "cut-off"line shape of dipped beam light distribution patterns.
9. the light reflection for headlamp described in claim 1-8 any one is separated conversion equipment, it is characterized in that, comprise the first reflection unit and the second reflection unit, first reflection unit described in the light directive that light source assembly sends, do not formed light projection device described in light a directive by the light of described first reflection unit reflection, by the second reflection unit described in the light directive of described first reflection unit reflection, light projection device described in light b directive is reflected to form through described second reflection unit, described light a is forming the dipped headlights light distribution patterns with "cut-off"line after described light projection device.
10. light reflection according to claim 9 is separated conversion equipment, and it is characterized in that, described first reflection unit has the edge corresponding with the "cut-off"line shape of dipped beam light distribution patterns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767316.3U CN205137281U (en) | 2015-09-30 | 2015-09-30 | Head -light and be used for light reflection separation conversion equipment of this head -light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520767316.3U CN205137281U (en) | 2015-09-30 | 2015-09-30 | Head -light and be used for light reflection separation conversion equipment of this head -light |
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| CN205137281U true CN205137281U (en) | 2016-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135321A (en) * | 2015-09-30 | 2015-12-09 | 成都恒坤光电科技有限公司 | Headlamp and light ray reflection separation conversion device applied in headlamp |
| CN109990246A (en) * | 2019-05-08 | 2019-07-09 | 成都恒坤光电科技有限公司 | A kind of distance-light consubstantiality formula vehicle front lighting lamp assembly |
| WO2020015457A1 (en) * | 2018-07-20 | 2020-01-23 | 华域视觉科技(上海)有限公司 | Projection unit for dipped headlight of vehicle, and vehicle lamp thereof |
| CN110792987A (en) * | 2018-08-02 | 2020-02-14 | 法雷奥照明公司 | Optical component comprising a block with a dioptric interface forming a folder for two light beams |
-
2015
- 2015-09-30 CN CN201520767316.3U patent/CN205137281U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135321A (en) * | 2015-09-30 | 2015-12-09 | 成都恒坤光电科技有限公司 | Headlamp and light ray reflection separation conversion device applied in headlamp |
| WO2020015457A1 (en) * | 2018-07-20 | 2020-01-23 | 华域视觉科技(上海)有限公司 | Projection unit for dipped headlight of vehicle, and vehicle lamp thereof |
| CN110792987A (en) * | 2018-08-02 | 2020-02-14 | 法雷奥照明公司 | Optical component comprising a block with a dioptric interface forming a folder for two light beams |
| CN110792987B (en) * | 2018-08-02 | 2023-11-14 | 法雷奥照明公司 | An optical component comprising a block with a refractive interface forming a cut-off line forming unit for two light beams |
| CN109990246A (en) * | 2019-05-08 | 2019-07-09 | 成都恒坤光电科技有限公司 | A kind of distance-light consubstantiality formula vehicle front lighting lamp assembly |
| CN109990246B (en) * | 2019-05-08 | 2024-03-12 | 成都恒坤光电科技有限公司 | Far-near light integrated automobile headlamp assembly |
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