CN209245970U - A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly - Google Patents
A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly Download PDFInfo
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- CN209245970U CN209245970U CN201920174898.2U CN201920174898U CN209245970U CN 209245970 U CN209245970 U CN 209245970U CN 201920174898 U CN201920174898 U CN 201920174898U CN 209245970 U CN209245970 U CN 209245970U
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Abstract
The utility model relates to vehicle light illumination technical fields, more particularly to a kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly, including the reflector and dichroic reflection device matched with light source, the light emitting region of light source and dichroic reflection device are respectively positioned in reflector or lower section；A part of direct irradiation of light that the light source issues is on reflector, and a part of direct irradiation is on dichroic reflection device；The reflector had both reflected the light for arising directly from light source, also reflected the reflection light from dichroic reflection device.The lower beam illumination Optical devices of the utility model are not only able to improve the efficiency of light energy utilization, and the introducing of dichroic reflection device, also add design freedom, can neatly control the projection distribution of light, be conducive to the requirement for meeting lower beam illumination.
Description
Technical field
The utility model relates to vehicle light illumination technical fields, and in particular to a kind of car light lower beam illumination Optical devices and automobile
Headlamp assembly.
Background technique
In vehicle light illumination technical field, in order to realize the different illuminations of different running environments, current illuminator
It include usually far lighting and lower beam illumination, for high beam, range of exposures is wide, irradiation distance is remote, can be driving
Member improves more wide visible area, exactly because however, the also wide problem remote with irradiation distance of its range of exposures, it may
Totally unfavorable influence is caused to the normally travel of other vehicles, so, range of exposures is introduced in the lighting device of vehicle
Guarantee that vehicle is shining in this way, being used cooperatively by the switching between long-and-short distant light with all lesser dipped beam modulated structure of irradiation distance
It can normally be travelled under the bad environment of bright condition.
For current dipped headlight, mainly passes through optical component and is distributed the light that light source issues again,
Current common practice is the setting light barrier component in light transmitting path, passes through the blocking to some light, Jin Er
Illumination region forms satisfactory lighting pattern, i.e., with the illumination region of satisfactory "cut-off"line.
Although, above by the blocking to light, being capable of forming with "cut-off"line in current Vehicle lamp structure
Meet the dipped headlight illumination region of lighting requirement, but in the light issued due to light source, part of light is blocked, so
Also optical energy loss is caused to a certain extent, reduces the efficiency of light energy utilization of car light.
So needing to design a kind of Vehicle lamp structure that can be improved the car light efficiency of light energy utilization at present.
Summary of the invention
The purpose of this utility model is that: for the current car light deficiency not high there are the efficiency of light energy utilization, provide a kind of energy
The Vehicle lamp structure of enough car light efficiencies of light energy utilization.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of car light lower beam illumination Optical devices, including the reflector and dichroic reflection device matched with light source, light source
Light emitting region and dichroic reflection device are respectively positioned in reflector or lower section；A part of direct irradiation of light that the light source issues is anti-
It penetrates on cover, a part of direct irradiation is on dichroic reflection device；The reflector had both reflected the light for arising directly from light source, also anti-
Penetrate the reflection light from dichroic reflection device.
The lower beam illumination Optical devices of the application, the light that light source issues, in whole or in part through reflector and light splitting
Reflector combination reflection, then exposes to the grenade instrumentation of car light, such as projection lens, and tool is being formed after grenade instrumentation projects
There is the dipped headlight lighting pattern of "cut-off"line, in this application, light is combined reflected through reflector and dichroic reflection device, makes light
Line does not lose because of blocking, so the raising efficiency of light energy utilization；Also, the introducing of reflective optical splitters also adds car light design certainly
By spending, the projection distribution of light can be neatly controlled, more convenient lower beam illumination region meets design requirement.
The light emitting region of the light source and dichroic reflection device are respectively positioned in reflector or lower section, the light that the light source issues
A part of direct irradiation is on transmitting cover, and on dichroic reflection device, whole light that light source issues exist another part direct irradiation
It is combined reflected through hair net and dichroic reflection device, all as the effective lighting in lower beam illumination region after grenade instrumentation projects
Light, in this way, further improving the efficiency of light energy utilization of car light.
Preferably, the profile of given configuration is set on the dichroic reflection device, and the profile of the given configuration passes through projection
Projection shape of the device in dipped beam evaluation field is approximate or identical with the "cut-off"line that car light dipped beam requires.With grenade instrumentation
When cooperation, the profile of the given configuration is located on the focal plane of grenade instrumentation or near focal plane, the profile of the given configuration
In the presence of, it is ensured that lighting pattern clearly with "cut-off"line is formed in vehicle light illumination region.
Preferably, the dichroic reflection device stops the light directly from light source to move ahead by way of reflection separation, deposits
Explicitly stopping boundary line, the boundary line profile received at light source and ray density large area on dichroic reflection device is logical
It is approximate or identical with the "cut-off"line that car light dipped beam requires to cross projection shape of the grenade instrumentation in dipped beam evaluation field.In we
In formula, dichroic reflection device stops light directly from light source by way of reflection separation, that is, at this, by by light
Line reflection forms to the mode of different directions and stops boundary line, which after grenade instrumentation projects, that is, is forming light and shade section
Only line further improves dichroic reflection device to the control ability of light, car light design freedom is further increased, in reality
During border uses, the light for being reflected onto different directions can be controlled according to actual needs, such as these light are reflexed to
Grenade instrumentation participates in illumination work, so raising light utilization.
Preferably, the mode that the dichroic reflection device passes through partially reflective separate section absorption stops directly from light source
Light moves ahead, and there is specific blocking boundary line, receives on dichroic reflection device from light source and light optical density large area
The boundary line profile at place is approximate with the "cut-off"line that car light dipped beam requires by the projection shape that grenade instrumentation evaluates field in dipped beam
Or it is identical.In this mode, dichroic reflection device absorbs some light, reflects some light, so as to form
Stop boundary line, which forms "cut-off"line after grenade instrumentation projects, further improve dichroic reflection device
To the control ability of light, car light design freedom is further increased, it, can be according to actual needs pair in practice
Light carries out different controls, such as can be and absorb to the light of bad control, in this way, improving the application light device
Applicability.
Preferably, some light that the light source issues, which is directly incident on reflector, to be reflected, and a portion is passed through
Lower beam illumination field is projected by grenade instrumentation again after dichroic reflection device or dichroic reflection device and reflector are repeatedly combined reflected.
Preferably, some light that the light source issues, which is directly incident on dichroic reflection device, is reflected onto reflector, passes through
After crossing reflector secondary reflection, a portion light projects lower beam illumination field by grenade instrumentation.
Preferably, some light that the light source issues, which is directly incident on dichroic reflection device, is reflected onto reflector, passes through
After crossing reflector secondary reflection, a portion light turns again to dichroic reflection device surface and carries out triple reflection, finally by
Grenade instrumentation projects lower beam illumination field.
By above-mentioned mode, the control for carrying out various ways to light may be implemented, further improve to light
Control ability, conducive to good illuminating effect is formed.
Preferably, the dichroic reflection device directly receives that light source irradiates and the face for stopping light forward is single continuous surface
It or is discrete splicing surface.In actual design, can choose required face type can when for example, by using single continuous surface
When significantly facilitating processing work, and using discrete Mosaic face, can greatly improve in illumination region, photic-energy transfer it is uniform.
Preferably, the dichroic reflection device directly receive light source irradiate and the material in the face that stops light forward have it is reflective
Ability, or it is coated with reflective coating.In application scheme, it is being divided instead by plated film or using the material with ability of giving out light
The reflecting region for being used for reflection light is formed in emitter.
As a preference, not being blocked forward light at the dichroic reflection device directly reaches grenade instrumentation, or
Person reaches grenade instrumentation after passing through air, or the transparent medium through refractive index greater than 1 reaches projection lens.That is the application
Dichroic reflection device can be to be integrated with grenade instrumentation, is also possible to be spaced with projection lens, can also be through other thoroughly
Bright medium is connected.
As a preference, some light that light source issues shines directly on reflector after being reflected, wherein most
Light directly passes through grenade instrumentation and projects lower beam illumination field, forms the primary illumination zone below dipped beam "cut-off"line and dipped beam
It is required that "cut-off"line.
Preferably, the boundary line for stopping light to pass through on dichroic reflection device is located on the focal plane of grenade instrumentation or focal plane is attached
Closely.So set, being conducive to form clearly "cut-off"line.
Disclosed herein as well is a kind of vehicle front lighting lamp assemblies using above-mentioned car light lower beam illumination Optical devices, including light
Source, grenade instrumentation and the car light lower beam illumination Optical devices matched with the light source and grenade instrumentation.
On the one hand the vehicle front lighting lamp assembly of the application is to improve due to using above-mentioned lower beam illumination Optical devices
The efficiency of light energy utilization, on the other hand also improves the light distribution design freedom of headlamp, conducive to the illuminating effect for improving headlamp.
In conclusion by adopting the above-described technical solution, the beneficial effect of the application is:
The lower beam illumination Optical devices of the application, the light that light source issues, in whole or in part through reflector and light splitting
Reflector combination reflection, then exposes to the grenade instrumentation of car light, such as projection lens, and tool is being formed after grenade instrumentation projects
There is the dipped headlight lighting pattern of "cut-off"line, in this application, light is combined reflected through reflector and dichroic reflection device, makes light
Line does not lose because of blocking, so the raising efficiency of light energy utilization；Also, the introducing of reflective optical splitters also adds car light design certainly
By spending, the projection distribution of light can be neatly controlled, more convenient lower beam illumination region meets design requirement；
On the one hand the vehicle front lighting lamp assembly of the application is to improve due to using above-mentioned lower beam illumination Optical devices
The efficiency of light energy utilization, on the other hand also improves the light distribution design freedom of headlamp, conducive to the illuminating effect for improving headlamp.
Detailed description of the invention
Fig. 1 is the light path schematic diagram of vehicle front lighting lamp assembly；
Fig. 2 is to remove the structural schematic diagram that reflector light splitting afterwards reflector and grenade instrumentation and light source cooperate,
Marked in the figure: 1- light source, 2- reflector, 3- dichroic reflection device, 4- grenade instrumentation.
Specific embodiment
Lower region is described in detail the utility model in conjunction with attached drawing.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1, as illustrated in fig. 1 and 2:
A kind of car light lower beam illumination Optical devices, including the reflector 2 and dichroic reflection device 3 matched with light source 1, light source
1 light emitting region and dichroic reflection device 3 are respectively positioned in reflector 2 or lower section；Light a part that the light source 1 issues directly is shone
It penetrates on reflector 2, a part of direct irradiation is on dichroic reflection device 3；The reflector 2, which had both reflected, arises directly from light source 1
Light, also reflect from dichroic reflection device 3 reflection light.
The lower beam illumination Optical devices of the application, light source 1 issue light, in whole or in part through reflector 2 and point
Reflective optical system 3 is combined reflected, then exposes to the grenade instrumentation 4 of car light, such as projection lens, after the projection of grenade instrumentation 4
The dipped headlight lighting pattern with "cut-off"line is formed, in this application, light is combined through reflector 2 and dichroic reflection device 3
Reflection, loses light because of blocking, so the raising efficiency of light energy utilization；Also, the introducing of reflective optical splitters, also adds vehicle
Lamp design freedom, can neatly control the projection distribution of light, and more convenient lower beam illumination region meets design requirement.
The light emitting region of the light source 1 and dichroic reflection device 3 are respectively positioned in reflector 2 or lower section, what the light source 1 issued
A part of direct irradiation of light is on transmitting cover, and another part direct irradiation is on dichroic reflection device 3, the whole of the sending of light source 1
Light is combined reflected through hair net and dichroic reflection device 3, all as in lower beam illumination region after the projection of grenade instrumentation 4
Effective lighting light, in this way, further improving the efficiency of light energy utilization of car light.
As preferred embodiment, the profile of given configuration is set on the dichroic reflection device 3, the given configuration
Profile by grenade instrumentation 4 dipped beam evaluate field projection shape with the "cut-off"line that car light dipped beam requires approximate or phase
Together.When cooperating with grenade instrumentation 4, the profile of the given configuration is located on the focal plane of grenade instrumentation 4 or near focal plane, should
The presence of the profile of given configuration, it is ensured that lighting pattern clearly with "cut-off"line is formed in vehicle light illumination region.
As preferred embodiment, the dichroic reflection device 3 is stopped by way of reflection separation directly from light source 1
Light move ahead, exist and specific stop boundary line, to receive on dichroic reflection device 3 from light source 1 and the larger area of ray density
The projection shape that boundary line profile at domain evaluates field in dipped beam by grenade instrumentation 4 is close with the "cut-off"line that car light dipped beam requires
It is seemingly or identical.In this mode, dichroic reflection device 3 stops the light directly from light source 1 by way of reflection separation,
It is exactly in such a way that light is reflexed to different directions, to be formed at this and stop boundary line, the blocking boundary line is through grenade instrumentation
After 4 projections, that is, "cut-off"line is formed, further improves dichroic reflection device 3 to the control ability of light, further increase
Car light design freedom, in practice, the light for being reflected onto different directions can be controlled according to actual needs,
Such as these light are reflexed into grenade instrumentation 4, it participates in illumination work, so raising light utilization.
As preferred embodiment, the mode that the dichroic reflection device 3 passes through partially reflective separate section absorption stops
It moves ahead directly from the light of light source 1, there is specific blocking boundary line, receive on dichroic reflection device 3 from light source 1 and light
Boundary line profile at linear light density large area evaluates the projection shape and the requirement of car light dipped beam of field by grenade instrumentation 4 in dipped beam
"cut-off"line it is approximate or identical.In this mode, dichroic reflection device 3 absorbs some light, to some light
It is reflected, so as to form boundary line is stopped, which forms "cut-off"line, into one after the projection of grenade instrumentation 4
Step improves dichroic reflection device 3 to the control ability of light, car light design freedom is further increased, in practice
In, different controls can be carried out to light according to actual needs, such as can be and absorb to the light of bad control, such as
This, improves the applicability of the application light device.
As preferred embodiment, some light that the light source 1 issues, which is directly incident on reflector 2, to be reflected,
A portion passes through grenade instrumentation 4 after dichroic reflection device 3 or dichroic reflection device 3 and reflector more than 2 times are combined reflected again
Project lower beam illumination field.
As preferred embodiment, some light that the light source 1 issues is directly incident on anti-on dichroic reflection device 3
It is incident upon reflector, after 2 secondary reflection of reflector, a portion light projects lower beam illumination field by grenade instrumentation 4.
As preferred embodiment, some light that the light source 1 issues is directly incident on anti-on dichroic reflection device 3
It is incident upon reflector, after 2 secondary reflection of reflector, a portion light turns again to 3 surface of dichroic reflection device and carries out three
Secondary reflection projects lower beam illumination field finally by grenade instrumentation 4.
By above-mentioned mode, the control for carrying out various ways to light may be implemented, further improve to light
Control ability, conducive to good illuminating effect is formed.
As preferred embodiment, the dichroic reflection device 3 directly receives the face that light source 1 irradiates and stops light forward
It for single continuous surface or is discrete splicing surface.In actual design, required face type can be chosen, for example, by using single
When continuous surface, when can significantly facilitate processing work, and use discrete Mosaic face, it can greatly improve in illumination region, light
It can be distributed uniform.
As preferred embodiment, the dichroic reflection device 3 directly receives the face that light source 1 irradiates and stops light forward
Material there is reflecting power, or be coated with reflective coating.In application scheme, by plated film or using with ability of giving out light
Material the reflecting region for reflection light is formed on dichroic reflection device 3.
It is not blocked forward light at the dichroic reflection device 3 as a preferred method, and directly reaches projection dress
4 are set, perhaps the transparent medium by reaching grenade instrumentation 4 after air or through refractive index greater than 1 reaches projection lens.I.e.
The dichroic reflection device 3 of the application can be to be integrated with grenade instrumentation 4, is also possible to be spaced with projection lens, be can also be
It is connected by other transparent mediums.
After some light that light source 1 issues as a preferred method, shines directly on reflector 2 and is reflected, wherein
Most of light directly passes through grenade instrumentation 4 and projects lower beam illumination field, forms the key lighting area below dipped beam "cut-off"line
The "cut-off"line that domain and dipped beam require.
As preferred embodiment, the coke that the boundary line for stopping light to pass through on dichroic reflection device 3 is located at grenade instrumentation 4 is flat
On face or near focal plane.So set, being conducive to form clearly "cut-off"line.
Embodiment 2, as illustrated in fig. 1 and 2,
A kind of vehicle front lighting lamp assembly using above-mentioned car light lower beam illumination Optical devices, including light source 1, grenade instrumentation 4
With the car light lower beam illumination Optical devices matched with the light source 1 and grenade instrumentation 4.
On the one hand the vehicle front lighting lamp assembly of the application is to improve due to using above-mentioned lower beam illumination Optical devices
The efficiency of light energy utilization, on the other hand also improves the light distribution design freedom of headlamp, conducive to the illuminating effect for improving headlamp.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description to the utility model referring to above-mentioned each embodiment, but the utility model not office
It is limited to above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement；And all do not depart from invention
Spirit and scope technical solution and its improvement, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of car light lower beam illumination Optical devices, which is characterized in that including the reflector and dichroic reflection matched with light source
Device, the light emitting region of light source and dichroic reflection device are respectively positioned in reflector or lower section；Light a part that the light source issues is straight
It connects and is radiated on reflector, a part of direct irradiation is on dichroic reflection device；
The reflector had both reflected the light for arising directly from light source, also reflected the reflection light from dichroic reflection device.
2. car light lower beam illumination Optical devices according to claim 1, which is characterized in that be arranged on the dichroic reflection device
There is profile approximate or identical with the "cut-off"line of car light dipped beam requirement.
3. car light lower beam illumination Optical devices according to claim 1, which is characterized in that the dichroic reflection device passes through anti-
The mode for penetrating separation stops the light directly from light source to move ahead, and there is specific blocking boundary line, connects on the dichroic reflection device
Receive boundary line profile at light source and light concentrated area by grenade instrumentation dipped beam evaluate the projection shape of field with
The "cut-off"line that car light dipped beam requires is approximate or identical.
4. car light lower beam illumination Optical devices according to claim 1, which is characterized in that the dichroic reflection device passes through portion
The mode that point reflection separate section absorbs stops the light directly from light source to move ahead, exist it is specific stop boundary line, described point
The boundary line profile at light source and light concentrated area is received on reflective optical system, and field is evaluated in dipped beam by grenade instrumentation
Projection shape it is approximate or identical with the "cut-off"line that car light dipped beam requires.
5. car light lower beam illumination Optical devices according to claim 1, which is characterized in that some light that light source issues is straight
Access, which is mapped on reflector, is reflected, and a portion repeatedly combines instead by dichroic reflection device or dichroic reflection device with reflector
Lower beam illumination field is projected by grenade instrumentation again after penetrating.
6. car light lower beam illumination Optical devices according to claim 1, which is characterized in that some light that light source issues is straight
Access, which is mapped on dichroic reflection device, is reflected onto reflector, and after reflector secondary reflection, a portion light passes through throwing
Injection device projects lower beam illumination field.
7. car light lower beam illumination Optical devices according to claim 1, which is characterized in that some light that light source issues is straight
Access, which is mapped on dichroic reflection device, is reflected onto reflector, and after reflector secondary reflection, a portion light returns again
Triple reflection is carried out to dichroic reflection device surface, projects lower beam illumination field finally by grenade instrumentation.
8. car light lower beam illumination Optical devices described in -7 any one according to claim 1, which is characterized in that the light splitting is anti-
Emitter directly receives that light source irradiates and the face for stopping light forward is single continuous surface or is discrete splicing surface.
9. car light lower beam illumination Optical devices described in -7 any one according to claim 1, which is characterized in that the light splitting is anti-
The material that emitter directly receives the face that light source irradiates and stops light forward has reflecting power, or is coated with reflective coating.
10. a kind of vehicle front lighting lamp assembly, which is characterized in that including light source, grenade instrumentation and with the light source and grenade instrumentation
The car light lower beam illumination Optical devices described in any one of claim 1-9 matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174898.2U CN209245970U (en) | 2019-01-31 | 2019-01-31 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174898.2U CN209245970U (en) | 2019-01-31 | 2019-01-31 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
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| CN209245970U true CN209245970U (en) | 2019-08-13 |
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| CN201920174898.2U Active CN209245970U (en) | 2019-01-31 | 2019-01-31 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611781A (en) * | 2019-01-31 | 2019-04-12 | 成都恒坤光电科技有限公司 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
| CN109611781B (en) * | 2019-01-31 | 2024-07-09 | 成都恒坤光电科技有限公司 | Car light low beam lighting optical device and car head-light assembly |
-
2019
- 2019-01-31 CN CN201920174898.2U patent/CN209245970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611781A (en) * | 2019-01-31 | 2019-04-12 | 成都恒坤光电科技有限公司 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
| CN109611781B (en) * | 2019-01-31 | 2024-07-09 | 成都恒坤光电科技有限公司 | Car light low beam lighting optical device and car head-light assembly |
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