CN210153718U - Small light guide type short-distance light projection module and lamp set using same - Google Patents
Small light guide type short-distance light projection module and lamp set using same Download PDFInfo
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- CN210153718U CN210153718U CN201920975967.XU CN201920975967U CN210153718U CN 210153718 U CN210153718 U CN 210153718U CN 201920975967 U CN201920975967 U CN 201920975967U CN 210153718 U CN210153718 U CN 210153718U
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Abstract
The utility model relates to a small light-guiding type short-distance beam projection module and a lamp set using the same, wherein the light-guiding type short-distance beam projection module comprises a short-distance beam center system and a short-distance beam widening system; the near-light center system comprises a near-light center LED light source, a near-light center light guide pipe and a near-light center lens which are sequentially arranged; the near-beam widening system comprises a near-beam widening LED light source, a near-beam widening light guide pipe and a near-beam widening lens which are sequentially arranged; the light passes through the low-beam central system and the low-beam widening system and forms a complete low-beam light pattern after being superposed. The utility model has the advantages that: (1) the structure is simple, the occupied space is small, and the shape of the car lamp is not influenced; (2) each optical system can be used independently or in a superposed manner, so that the requirement of vehicle lamp modeling is met.
Description
Technical Field
The utility model relates to an optical system field that vehicle headlamps short-distance beam relates to especially relates to a small-size leaded light formula short-distance beam projection module and use banks of this module.
Background
Automotive lighting safety has long been a focus of attention for many automotive manufacturers and customers. In consideration of safety performance, the conversion of the high beam and the low beam of the automobile becomes the main direction of research of manufacturers. Most of the main high-low beam vehicle lamps in the current market are projection type high-low beam vehicle lamps, and a low beam system and a high beam system are formed by adopting a projection type system with a plurality of ellipsoidal reflecting cups, light barriers and aspheric lenses.
However, the transmissive high-beam and low-beam lamps have large structure volume, require a certain distance of focal length, occupy more space of the lamps, and are not favorable for the overall performance of the lamp shape.
Disclosure of Invention
In order to solve the above problem that prior art exists, the utility model provides a simple structure, it is small, take up the little small-size leaded light formula short-distance beam projection module in space and use banks of this module.
The technical proposal of the utility model for solving the technical problem is that:
a small light guide type dipped beam projection module comprises a dipped beam central system and a dipped beam widening system; the near-light center system comprises a near-light center LED light source, a near-light center light guide pipe and a near-light center lens which are sequentially arranged; the near-beam widening system comprises a near-beam widening LED light source, a near-beam widening light guide pipe and a near-beam widening lens which are sequentially arranged; the light passes through the low-beam central system and the low-beam widening system and forms a complete low-beam light pattern after being superposed.
Furthermore, one of them terminal surface is the arcwall face in two terminal surfaces about the central light pipe of passing light, another terminal surface is equipped with the step face, and connects through the inclined plane between two adjacent step faces.
Furthermore, one of the upper and lower end surfaces of the dipped beam broadening light guide tube is an arc surface, and the other end surface is a horizontal surface.
Further, the cross section of one end, close to the light source, of the near-beam central light guide pipe and the near-beam broadening light guide pipe is larger than that of the other end of the near-beam broadening light guide pipe, and the cross section close to the light source is a cambered surface with a higher center.
Furthermore, the end surfaces of the near-beam central light guide pipe and the near-beam broadening light guide pipe close to the lens are concave arc surfaces.
Furthermore, the dipped beam central light pipe and the dipped beam widening light pipe are provided with electroplated layers on the surfaces.
Further, all be equipped with the spotlight ware on passing light center LED light source and the passing light widening LED light source.
Further, the near-beam center lens and the near-beam widening lens are both made of acrylic materials.
Further, the low beam center system and the low beam widening system are arranged side by side.
A lamp group using the module further comprises a hollow lamp group shell with openings at two ends, a light source plate is fixed on the rear end face of the lamp group shell, and a near-beam central LED light source and a near-beam widening LED light source are arranged on the light source plate; the low-beam central light pipe and the low-beam broadening light pipe are fixed on the light source board through the light pipe frame and are positioned in the lamp group shell; the near-beam central lens and the near-beam widening lens are fixedly arranged at the opening at the front end of the lamp group shell.
The utility model discloses but independent use passing beam central system or passing beam system of widening when using, also can use passing beam central system and passing beam system of widening simultaneously, form the passing beam light shape after the stack.
The utility model has the advantages that: (1) the structure is simple, the occupied space is small, and the shape of the car lamp is not influenced; (2) each optical system can be used independently or in a superposed manner, so that the requirement of vehicle lamp modeling is met.
Drawings
FIG. 1 is an exploded view of a compact light-guiding low-beam projection module.
FIG. 2 is a ray path diagram of one of the ray systems.
Fig. 3 is an exploded view of the lamp assembly.
The attached drawings are marked with: 1. low beam center system, 2, low beam widening system, 3, light group shell, 4, light source board, 5, light guide pipe support, 6, step face, 7, inclined plane, 8, cambered surface, 9, condenser, 10, ray path, 201, low beam widening LED light source, 202, low beam widening light pipe, 203, low beam widening lens, 101, low beam center LED light source, 102, low beam center light pipe, 103, low beam center lens.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings and detailed description.
Example 1
As shown in fig. 1 and fig. 2, a small light-guiding type low beam projection module includes a low beam center system 1 and a low beam widening system 2; the low-beam central system 1 comprises a low-beam central LED light source 101, a low-beam central light guide pipe 102 and a low-beam central lens 103 which are sequentially arranged; the near-beam widening system 2 comprises a near-beam widening LED light source 201, a near-beam widening light guide pipe 202 and a near-beam widening lens 203 which are sequentially arranged; the light passes through the low-beam central system 1 and the low-beam widening system 2, and forms a complete low-beam light pattern after being superposed.
In this embodiment, one of the upper and lower end surfaces of the passing light central light guide tube 102 is an arc surface, and the other end surface is provided with a step surface 6, and two adjacent step surfaces are connected by an inclined surface 7. The step surface 6 is arranged to generate path difference of light rays and meet the light shape requirement.
In this embodiment, one of the upper and lower end surfaces of the low-beam widening light pipe 202 is an arc surface, and the other end surface is a horizontal surface.
In this embodiment, the cross sections of the near-beam central light guide 102 and the near-beam widening light guide 202 near the light source are larger than the cross section of the other end, and the cross sections near the light source are both arc surfaces with higher centers. The light rays entering the low-beam central light pipe 102 and the low-beam widening light pipe 202 are made to enter from different angles, and different refraction light rays are generated.
In this embodiment, the end surfaces of the low-beam central light guide 102 and the low-beam widening light guide 202 close to the lens are concave cambered surfaces 8. The light rays emitted from the low-beam center light pipe 102 and the low-beam broadening light pipe 202 are converged to one point.
In this embodiment, the surfaces of the low-beam central light pipe 102 and the low-beam widening light pipe 202 are both provided with electroplated layers.
In this embodiment, the low beam center LED light source 101 and the low beam widening LED light source 102 are both provided with a condenser 9.
In this embodiment, the low-beam center lens 102 and the low-beam widening lens 202 are both made of acrylic material.
In this embodiment, the low beam center system 1 and the low beam widening system 2 are arranged side by side.
As shown in fig. 3, a light set using the module further includes a hollow light set housing 3 with two open ends, a light source plate 4 is fixed on the rear end face of the light set housing 3, and a low-beam center LED light source 101 and a low-beam widening LED light source 201 are arranged on the light source plate; the low-beam central light pipe 102 and the low-beam widening light pipe 202 are fixed on the light source board 4 through a light guide pipe frame 5 and are positioned inside the light group shell 3; the low-beam center lens 103 and the low-beam widening lens 203 are fixedly disposed at an opening at the front end of the lamp group housing 3.
When only the near-light center system is turned on, light is emitted from the near-light center LED light source, and the light is refracted by the near-light center light guide pipe and then is incident into the near-light center lens to form a near-light center light shape.
Example 2
As shown in fig. 1 and fig. 2, a small light-guiding type low beam projection module includes a low beam center system 1 and a low beam widening system 2; the low-beam central system 1 comprises a low-beam central LED light source 101, a low-beam central light guide pipe 102 and a low-beam central lens 103 which are sequentially arranged; the near-beam widening system 2 comprises a near-beam widening LED light source 201, a near-beam widening light guide pipe 202 and a near-beam widening lens 203 which are sequentially arranged; the light passes through the low-beam central system 1 and the low-beam widening system 2, and forms a complete low-beam light pattern after being superposed.
In this embodiment, one of the upper and lower end surfaces of the passing light central light guide tube 102 is an arc surface, and the other end surface is provided with a step surface 6, and two adjacent step surfaces are connected by an inclined surface 7. The step surface 6 is arranged to generate path difference of light rays and meet the light shape requirement.
In this embodiment, one of the upper and lower end surfaces of the low-beam widening light pipe 202 is an arc surface, and the other end surface is a horizontal surface.
In this embodiment, the cross sections of the near-beam central light guide 102 and the near-beam widening light guide 202 near the light source are larger than the cross section of the other end, and the cross sections near the light source are both arc surfaces with higher centers. The light rays entering the low-beam central light pipe 102 and the low-beam widening light pipe 202 are made to enter from different angles, and different refraction light rays are generated.
In this embodiment, the end surfaces of the low-beam central light guide 102 and the low-beam widening light guide 202 close to the lens are concave cambered surfaces 8. The light rays emitted from the low-beam center light pipe 102 and the low-beam broadening light pipe 202 are converged to one point.
In this embodiment, the surfaces of the low-beam central light pipe 102 and the low-beam widening light pipe 202 are both provided with electroplated layers.
In this embodiment, the low beam center LED light source 101 and the low beam widening LED light source 102 are both provided with a condenser 9.
In this embodiment, the low-beam center lens 102 and the low-beam widening lens 202 are both made of acrylic material.
In this embodiment, the low beam center system 1 and the low beam widening system 2 are arranged side by side.
As shown in fig. 3, a light set using the module further includes a hollow light set housing 3 with two open ends, a light source plate 4 is fixed on the rear end face of the light set housing 3, and a low-beam center LED light source 101 and a low-beam widening LED light source 201 are arranged on the light source plate; the low-beam central light pipe 102 and the low-beam widening light pipe 202 are fixed on the light source board 4 through a light guide pipe frame 5 and are positioned inside the light group shell 3; the low-beam center lens 103 and the low-beam widening lens 203 are fixedly disposed at an opening at the front end of the lamp group housing 3.
When only the near-beam widening system is turned on, light rays are emitted from the near-beam widening LED light source, and the light rays are emitted into the near-beam widening lens after being refracted by the near-beam widening light guide pipe to form a near-beam widening light shape.
Example 3
As shown in fig. 1 and fig. 2, a small light-guiding type low beam projection module includes a low beam center system 1 and a low beam widening system 2; the low-beam central system 1 comprises a low-beam central LED light source 101, a low-beam central light guide pipe 102 and a low-beam central lens 103 which are sequentially arranged; the near-beam widening system 2 comprises a near-beam widening LED light source 201, a near-beam widening light guide pipe 202 and a near-beam widening lens 203 which are sequentially arranged; the light passes through the low-beam central system 1 and the low-beam widening system 2, and forms a complete low-beam light pattern after being superposed.
In this embodiment, one of the upper and lower end surfaces of the passing light central light guide tube 102 is an arc surface, and the other end surface is provided with a step surface 6, and two adjacent step surfaces are connected by an inclined surface 7. The step surface 6 is arranged to generate path difference of light rays and meet the light shape requirement.
In this embodiment, one of the upper and lower end surfaces of the low-beam widening light pipe 202 is an arc surface, and the other end surface is a horizontal surface.
In this embodiment, the cross sections of the near-beam central light guide 102 and the near-beam widening light guide 202 near the light source are larger than the cross section of the other end, and the cross sections near the light source are both arc surfaces with higher centers. The light rays entering the low-beam central light pipe 102 and the low-beam widening light pipe 202 are made to enter from different angles, and different refraction light rays are generated.
In this embodiment, the end surfaces of the low-beam central light guide 102 and the low-beam widening light guide 202 close to the lens are concave cambered surfaces 8. The light rays emitted from the low-beam center light pipe 102 and the low-beam broadening light pipe 202 are converged to one point.
In this embodiment, the surfaces of the low-beam central light pipe 102 and the low-beam widening light pipe 202 are both provided with electroplated layers.
In this embodiment, the low beam center LED light source 101 and the low beam widening LED light source 102 are both provided with a condenser 9.
In this embodiment, the low-beam center lens 102 and the low-beam widening lens 202 are both made of acrylic material.
In this embodiment, the low beam center system 1 and the low beam widening system 2 are arranged side by side.
As shown in fig. 3, a light set using the module further includes a hollow light set housing 3 with two open ends, a light source plate 4 is fixed on the rear end face of the light set housing 3, and a low-beam center LED light source 101 and a low-beam widening LED light source 201 are arranged on the light source plate; the low-beam central light pipe 102 and the low-beam widening light pipe 202 are fixed on the light source board 4 through a light guide pipe frame 5 and are positioned inside the light group shell 3; the low-beam center lens 103 and the low-beam widening lens 203 are fixedly disposed at an opening at the front end of the lamp group housing 3.
When the near-beam central system and the near-beam widening system are simultaneously started, light rays are emitted from the near-beam central LED light source, and the light rays are incident into the near-beam central lens after being refracted by the near-beam central light guide pipe to form a near-beam central light shape; meanwhile, the near-beam widening LED light source also emits light, the light enters the near-beam widening light guide pipe, and is refracted and then enters the near-beam widening lens to be emitted; the light obliquely emitted from the low beam central lens to the low beam broadening system direction and the light obliquely emitted from the low beam broadening lens to the low beam central system direction intersect in front between the low beam central system and the low beam broadening system, and the light shapes are overlapped to form a complete low beam shape.
In the present embodiment, the optical system may be used independently according to embodiment 1 or embodiment 2, or two optical systems may be superimposed according to embodiment 3.
The advantages of the embodiment are that (1) the structure is simple, the occupied space is small, and the shape of the car lamp is not influenced; (2) each optical system can be used independently or in a superposed manner, so that the requirement of vehicle lamp modeling is met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a small-size leaded light formula short-distance beam projection module which characterized in that: the device comprises a low beam center system and a low beam widening system; the near-light center system comprises a near-light center LED light source, a near-light center light guide pipe and a near-light center lens which are sequentially arranged; the near-beam widening system comprises a near-beam widening LED light source, a near-beam widening light guide pipe and a near-beam widening lens which are sequentially arranged; the light passes through the low-beam central system and the low-beam widening system and forms a complete low-beam light pattern after being superposed.
2. The small light-guiding type low-beam projection module set according to claim 1, wherein: one of them terminal surface is the arcwall face in two terminal surfaces about the central light pipe of short-distance beam, and another terminal surface is equipped with the step face, and connects through the inclined plane between two adjacent step faces.
3. The small light-guiding type low-beam projection module set according to claim 1, wherein: one end face of the upper end face and the lower end face of the dipped beam widening light guide pipe is an arc-shaped face, and the other end face of the dipped beam widening light guide pipe is a horizontal plane.
4. The small light-guiding type low-beam projection module set according to claim 1, wherein: the light pipe is central to the dipped beam with dipped beam broadening light pipe is close to light source department one end cross-section and is greater than the other end cross-section, and the cross-section that is close to light source department is central convex cambered surface.
5. The small light-guiding type low-beam projection module set forth in claim 4, wherein: the end surfaces of the near-beam central light pipe and the near-beam broadening light pipe close to the lens are concave arc surfaces.
6. The small light-guiding type low-beam projection module set forth in claim 4, wherein: the dipped beam central light pipe and the dipped beam widening light pipe are all provided with electroplated layers on the surfaces.
7. The small light-guiding type low-beam projection module set according to claim 1, wherein: and condensers are arranged on the near-beam central LED light source and the near-beam widening LED light source.
8. The small light-guiding type low-beam projection module set according to claim 1, wherein: the near-light central lens and the near-light widening lens are made of acrylic materials.
9. The small light-guiding type low-beam projection module set according to claim 1, wherein: the low beam center system and the low beam widening system are arranged side by side.
10. A lamp assembly using the module of any of claims 1-9, wherein: the LED lamp further comprises a hollow lamp group shell with openings at two ends, a light source plate is fixed on the rear end face of the lamp group shell, and a near-beam central LED light source and a near-beam widening LED light source are arranged on the light source plate; the low-beam central light pipe and the low-beam broadening light pipe are fixed on the light source board through the light pipe frame and are positioned in the lamp group shell; the near-beam central lens and the near-beam widening lens are fixedly arranged at the opening at the front end of the lamp group shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975967.XU CN210153718U (en) | 2019-06-27 | 2019-06-27 | Small light guide type short-distance light projection module and lamp set using same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920975967.XU CN210153718U (en) | 2019-06-27 | 2019-06-27 | Small light guide type short-distance light projection module and lamp set using same |
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| CN210153718U true CN210153718U (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207065A (en) * | 2019-06-27 | 2019-09-06 | 浙江亮心汽车部件有限公司 | A kind of small-sized light-guiding type dipped beam projective module group and the lamp group using the mould group |
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2019
- 2019-06-27 CN CN201920975967.XU patent/CN210153718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207065A (en) * | 2019-06-27 | 2019-09-06 | 浙江亮心汽车部件有限公司 | A kind of small-sized light-guiding type dipped beam projective module group and the lamp group using the mould group |
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