CN211372255U - Optical system for automobile lamp - Google Patents
Optical system for automobile lamp Download PDFInfo
- Publication number
- CN211372255U CN211372255U CN201922199375.6U CN201922199375U CN211372255U CN 211372255 U CN211372255 U CN 211372255U CN 201922199375 U CN201922199375 U CN 201922199375U CN 211372255 U CN211372255 U CN 211372255U
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- light
- light guide
- optical system
- reflector
- guide body
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An optical system for a vehicle lamp for establishing a corresponding lamp illumination, comprising: the light source, locate the light conductor (1) of the light source outgoing direction, locate the reflecting mirror (2) of the outgoing end of the light conductor (1); the light guide body (1) is matched with the reflector (2) to form an optical structure from a light source end to a light outlet end. The optical system for the automobile lamp can be used for realizing the illumination response of the automobile lamp; the optical system is formed in a mode of light source + light guide body + reflection, so that the formed optical system can solve the problems that the light emitting in the width direction is limited due to the diameter of the light guide body and the corresponding modeling is limited due to the fact that the light guide body is arranged independently, and the cost input of a large number of LEDs is consumed due to the fact that the reflector is arranged independently; the whole shape is not limited by the width direction, and the number of the LEDs is reduced. The compatibility of low cost and free shaping is realized and simultaneously satisfied.
Description
Technical Field
The utility model belongs to car light illumination field, concretely relates to optical system for car light.
Background
At present, the whole market is economic and weak, the production industry faces huge cost pressure, and the problem of cost reduction is urgent. How to meet the performance and not influence the appearance of the product, and simultaneously reduce the implementation cost of the engineering scheme and improve the market competitiveness of the product.
The light guide light emitting form has a great advantage in cost compared with the direct type LED or the reflective type LED. However, due to the influence of the light emitting characteristics, the width of the LED is limited, so that the design is limited, and finally, the low-cost scheme cannot be selected and implemented.
The application numbers are: the invention application 201811242904.X discloses a special-shaped short light guide optical system, wherein a light guide is formed by bending the light guide from the horizontal direction to the vertical direction at one time, and the distance between the light guide optical teeth and the light guide light-emitting surface of the light guide is gradually shortened and narrowed, namely the distance between the light guide optical teeth and the light guide light-emitting surface is reduced at the tail end of the light guide, so that the total reflection times of light rays in the light guide are reduced, the light-emitting efficiency at the tail end of the light guide is improved, and the integral uniformity of the light guide is improved.
The application numbers are: 201621281921.0 discloses a "light guide system", including LED, circuit board, light guide and speculum, the LED welding is in on the circuit board, the speculum sets up the income plain noodles department of light guide, the plane of reflection of speculum is faced go into the plain noodles and with it presss from both sides an acute angle to go into the plain noodles, the circuit board sets up the side of the income plain noodles place end of light guide, the light that LED jetted out passes through follow behind the plane of reflection the income plain noodles gets into the light guide, light guide adopts the luminous light guide strip of line type side, the material of light guide strip can be PMMA or PC, the light emitting area of LED can the perpendicular to go into the plain noodles.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides an optical system for car light, its technical scheme specifically as follows:
an optical system for a vehicle lamp for establishing a corresponding lamp illumination, comprising:
the light source, locate the light conductor (1) of the light source outgoing direction, locate the reflecting mirror (2) of the outgoing end of the light conductor (1);
the light guide body (1) receives incident light of a light source and is matched with the reflector (2) to form a light path structure from the light source to light outlet.
According to cloth utility model's an optical system for car light, its characterized in that:
the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus.
According to the utility model discloses an optical system for car light, its characterized in that:
the reflector (2) is a free-form surface reflector.
According to the utility model discloses an optical system for car light, its characterized in that:
the incident surface of the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus, and the axial section of the light guide body is arranged facing the reflector and used for forming an emergent surface.
According to the utility model discloses an optical system for car light, its characterized in that:
the light source is arranged at the incident end part of the light guide body (1).
According to the utility model discloses an optical system for car light, its characterized in that:
the inner side of the emergent surface of the light guide body (1) is arranged in a tooth shape to form a light guide tooth part.
According to the utility model discloses an optical system for car light, its characterized in that:
an inner lens (3) is arranged behind the reflector (2).
The optical system for the automobile lamp of the utility model can be used for realizing the automobile lamp; the optical system is formed in a mode of light source + light guide body + reflection, so that the formed optical system can solve the problems of limited light emission in the width direction of the light guide body and corresponding limited modeling caused by independently arranging the light guide body and the problem of cost input of a large number of LEDs due to independently arranging the reflector; the whole shape is not limited by the width direction, and the number of the LEDs is reduced. The compatibility of low cost and free shaping is realized and simultaneously satisfied.
An optical system can be formed by matching a reflector with a standard focal length with a light guide arranged at the focal point of the reflector; when the optical system is used for the illumination function with low optical requirements, the optical system can be formed by matching the free-form surface type reflecting mirror with a corresponding light guide (in this case, the light guide does not need to be arranged strictly at the focus).
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, the position of the upper end of the main shaft,
1-a light guide body;
2-a mirror;
3-inner lens.
Detailed Description
Next, an optical system for an automotive lamp according to the present invention will be described in further detail with reference to the drawings and embodiments.
An optical system for a vehicle lamp as shown in fig. 1, for establishing corresponding lamp illumination, is characterized by comprising:
the light source, locate the light conductor (1) of the light source outgoing direction, locate the reflecting mirror (2) of the outgoing end of the light conductor (1);
the light guide body (1) receives incident light of a light source and is matched with the reflector (2) to form a light path structure from the light source to light outlet.
Wherein the content of the first and second substances,
the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus.
Wherein the content of the first and second substances,
the reflector (2) is a free-form surface reflector.
Wherein the content of the first and second substances,
the incident surface of the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus, and the axial section of the light guide body is arranged facing the reflector and used for forming an emergent surface.
Wherein the content of the first and second substances,
the light source is arranged at the incident end part of the light guide body (1).
Wherein the content of the first and second substances,
the inner side of the emergent surface of the light guide body (1) is arranged in a tooth shape to form a light guide tooth part.
Wherein the content of the first and second substances,
an inner lens (3) is arranged behind the reflector (2).
Working procedure and examples
The incident surface of the light guide body in the embodiment is arranged at the focus of the reflector, the inner side of the emergent surface of the light guide body is in a tooth-shaped structure to form a light guide tooth part, light is transmitted to the whole light guide body through the light guide body tooth part to form a strip light source end, and the light which forms the strip light source end through the light guide body is emitted onto the reflector to form uniform light in the whole reflecting cavity; and then the emergent radiation is formed through the inner lens.
The optical system for the automobile lamp of the utility model can be used for realizing the automobile lamp; the optical system is formed in a mode of light source + light guide body + reflection, so that the formed optical system can solve the problems of limited light emission in the width direction of the light guide body and corresponding limited modeling caused by independently arranging the light guide body and the problem of cost input of a large number of LEDs due to independently arranging the reflector; the whole shape is not limited by the width direction, and the number of the LEDs is reduced. The compatibility of low cost and free shaping is realized and simultaneously satisfied.
An optical system can be formed by matching a reflector with a standard focal length with a light guide arranged at the focal point of the reflector; when the optical system is used for the illumination function with low optical requirements, the optical system can be formed by matching the free-form surface type reflecting mirror with a corresponding light guide (in this case, the light guide does not need to be arranged strictly at the focus).
Claims (7)
1. An optical system for a vehicle lamp for establishing a corresponding lamp illumination, comprising:
the light source, locate the light conductor (1) of the light source outgoing direction, locate the reflecting mirror (2) of the outgoing end of the light conductor (1);
the light guide body (1) receives incident light of a light source and is matched with the reflector (2) to form a light path structure from the light source to light outlet.
2. The optical system for an automobile lamp according to claim 1, characterized in that:
the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus.
3. The optical system for an automobile lamp according to claim 1 or 2, characterized in that:
the reflector (2) is a free-form surface reflector.
4. The optical system for an automobile lamp according to claim 2, characterized in that:
the incident surface of the light guide body (1) is arranged at the focus of the reflector (2) or arranged around the focus, and the axial section of the light guide body is arranged facing the reflector and used for forming an emergent surface.
5. The optical system for an automobile lamp according to claim 1, characterized in that:
the light source is arranged at the incident end part of the light guide body (1).
6. The optical system for an automobile lamp according to claim 1, characterized in that:
the inner side of the emergent surface of the light guide body (1) is arranged in a tooth shape to form a light guide tooth part.
7. The optical system for an automobile lamp according to claim 1, characterized in that:
an inner lens (3) is arranged behind the reflector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199375.6U CN211372255U (en) | 2019-12-10 | 2019-12-10 | Optical system for automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199375.6U CN211372255U (en) | 2019-12-10 | 2019-12-10 | Optical system for automobile lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211372255U true CN211372255U (en) | 2020-08-28 |
Family
ID=72156762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922199375.6U Active CN211372255U (en) | 2019-12-10 | 2019-12-10 | Optical system for automobile lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211372255U (en) |
-
2019
- 2019-12-10 CN CN201922199375.6U patent/CN211372255U/en active Active
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