CN220770882U - Car light thick wall spare structure - Google Patents
Car light thick wall spare structure Download PDFInfo
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- CN220770882U CN220770882U CN202322704212.5U CN202322704212U CN220770882U CN 220770882 U CN220770882 U CN 220770882U CN 202322704212 U CN202322704212 U CN 202322704212U CN 220770882 U CN220770882 U CN 220770882U
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
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- 239000002994 raw material Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of car lamps, and particularly relates to a car lamp thick-wall part structure, which comprises the following components: the light inlet body is connected with the light outlet body; the light emitting part is arranged on the end surface of the light emitting body far away from the light entering body, and the total reflection part is arranged at the joint of the light entering body and the light emitting body; the total reflection part comprises a plurality of total reflection groups, the total reflection groups comprise total reflection surfaces with two side edges connected and forming an included angle, the total reflection groups are connected to form the total reflection part, and one end of the total reflection group is connected with the lower end face of the light emitting body; one end of the total reflection group, which is connected with the lower end surface of the light emergent body, deflects towards the direction of the light emergent part to form an angle; the light inlet part is arranged in the middle of the upper end surface of the light inlet body; the long side of total reflection group radiates around and extends, and this kind of car light thick wall spare structure has the even high-efficient and LED's of assurance light-emitting effect of saving.
Description
Technical Field
The utility model belongs to the technical field of car lamps, and particularly relates to a car lamp thick-wall part structure.
Background
Along with the rapid development of automobile lamp technology and the pursuit of consumers to the car light effect of lighting higher and higher, manufacturing cost and efficiency are the urgent problem that needs to be solved of each car light provider, the gradual perfection of thick wall injection molding technique, the thick wall spare has been used to the car light of increasingly more vehicles, promote the homogeneity of lighting and increase the technological sense of lamps and lanterns, the front lamp in the wide application high-end car, the rear lamp, and turn to lamps, daytime running lights, position lamp, brake lamp etc. the technical scheme light of the thick wall spare of prior art is sent after the LED, is passed through a series of function device and is followed out the plain noodles again, in order to reach the effect that the car light is lighted more evenly.
The prior art solutions described above have the following drawbacks: the scheme in the prior art has low efficiency due to the fact that a large number of LEDs are needed, and the circuit design is complex and the heat risk is improved when the cost of LED raw materials is increased.
Disclosure of Invention
The utility model aims to provide a thick-wall part structure of a car lamp, which solves the technical problems of low efficiency, increased LED raw material cost, complex circuit design and increased heat risk caused by adopting a large number of LEDs, and achieves the purposes of ensuring uniform and efficient light emission and saving LEDs by refracting or totally reflecting light rays in a system for multiple times.
In order to solve the technical problem, the utility model provides a thick-wall part structure of a car lamp, comprising:
the light incident body is connected with the light emergent body and forms an included angle;
the light emitting part is arranged on the end surface of the light emitting body far away from the light entering body, and the total reflection part is arranged at the joint of the light entering body and the light emitting body;
the total reflection part comprises a plurality of total reflection groups, the total reflection groups comprise total reflection surfaces with two side edges connected and forming an included angle, the total reflection groups are sequentially connected in the long side direction to form the total reflection part, and one end of the long side of the total reflection group is connected with the lower end face of the light emitting body;
one end of the total reflection group, which is connected with the lower end surface of the light emitting body, deflects towards the direction of the light emitting part to form an angle;
the light inlet part is arranged in the middle of the upper end face of the light inlet body;
the side edges of the total reflection group in the long side direction radiate and extend from the middle part of the upper end face of the light incident body to the surrounding.
Further, the total reflection group near the two side surfaces of the light incident body further comprises a connecting surface, and the connecting surface is connected with the side edge of one total reflection surface and forms an included angle with the side edge of the other total reflection surface.
Further, an included angle of 30-80 degrees is formed between the long side direction of the total reflection group and the horizontal plane on the side surfaces of the light emergent body and the light incident body.
Further, the side edges of the two total reflection surfaces are connected and form an included angle of 80-100 degrees.
Further, the light incident portion is a rotation cut surface with a curved line as a contour line, with a symmetry axis in a longitudinal direction of an upper end surface of the light incident body as a central axis.
Further, the light emitting portion includes a plurality of polygonal protrusions, and a plurality of polygonal protrusion arrays are distributed throughout the light emitting portion.
Further, the light-emitting device further comprises a plurality of light-emitting pieces, and the light-emitting pieces are arranged above the light-entering part.
The beneficial effects of the utility model are as follows:
1. the light is ensured to be uniformly and efficiently emitted after being refracted or totally reflected by the thick-wall piece.
2. The LED is saved, and the cost is reduced.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a preferred embodiment of a thick-walled member construction for a vehicle lamp according to the present utility model;
FIG. 2 is an enlarged schematic view of portion A of a preferred embodiment of a thick-walled member construction for a vehicle lamp in accordance with the present utility model;
FIG. 3 is a top view of a preferred embodiment of a vehicle lamp thick-wall member structure of the present utility model;
FIG. 4 is a side view of a preferred embodiment of a vehicle lamp thick-wall member structure of the present utility model;
fig. 5 is a rear view of a preferred embodiment of a thick-walled member construction for a vehicle lamp in accordance with the present utility model.
In the figure:
1. a light incident body; 2. a light emitting body; 3. a light emitting section; 4. a total reflection section; 5. a light inlet part; 6. a total reflection surface; 7. a connection surface; 8. and a total reflection group.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
as shown in fig. 1 to 5, a thick-walled member structure for a vehicle lamp includes: the light incident body 1 and the light emergent body 2, the light emergent body 2 and the light incident body 1 are made of transparent materials such as PMMA or PC, a light emergent part 3 and a total reflection part 4, wherein the light emergent part 3 is arranged on the end surface of the light emergent body 2 far away from the light incident body 1, and the total reflection part 4 is arranged at the joint of the light incident body 1 and the light emergent body 2; as shown in fig. 2, the total reflection part 4 includes a plurality of total reflection groups 8, the total reflection groups 8 include total reflection surfaces 6 with two sides connected and forming an included angle, the plurality of total reflection groups 8 are sequentially connected in the long side direction to form the total reflection part 4, and one end of the long side of the total reflection group 8 is connected with the lower end face of the light emitting body 2; the total reflection group 8 close to the two side surfaces of the light incident body 1 also comprises a connecting surface 7, and the connecting surface 7 is connected with the side edge of one total reflection surface 6 and forms an included angle with the side edge; as shown in fig. 4, one end of the total reflection group 8, which is in contact with the lower end surface of the light-emitting body 2, is deflected in the direction of the light-emitting portion 3 to form an angle; the side edges of the total reflection group 8 in the long side direction radiate from the middle part of the upper end face of the light incident body 1 to the surrounding, an included angle of 30-80 degrees is formed between the long side direction of the total reflection group 8 and the horizontal plane on the side faces of the light emergent body 2 and the light incident body 1, and the side edges of the two total reflection surfaces 6 are connected and form an included angle of 80-100 degrees.
The light-entering part 5 is arranged in the middle of the upper end face of the light-entering body 1; as shown in fig. 3, the light incident portion 5 is a rotary cut-off surface with a symmetry axis in a longitudinal direction of an upper end surface of the light incident body 1 as a central axis and a curve as a contour line, and further includes a plurality of light emitting elements, wherein the light emitting elements are LEDs, and the LED light source color includes, but is not limited to, red, yellow or white, the light emitting elements are disposed above the light incident portion 5, the light incident portion 5 is configured as a rotary cut-off surface, and the specific shape of the curve of the contour line can be specifically set by a technician, so as to ensure that the light rays refracted by the light emitting elements can be uniformly refracted at each position in the longitudinal direction of the plurality of total reflection groups 8, so as to provide for the following multiple total reflection.
What needs to be explained here is: the light emitting part such as an LED arranged above the light entering part 5 emits light rays with different colors, the light rays radiate around the light emitting part as a center, the light rays are refracted onto the total reflection part 4, the light entering part 5 is a rotary cut-off surface, compared with the plane refraction, the light ray utilization rate of the LED can be effectively improved through the light entering body 1 made of transparent materials such as PMMA or PC, the light rays are refracted to any one of the two total reflection surfaces 6 forming an included angle, the light rays after the first total reflection are subjected to first total reflection on any one of the two total reflection surfaces 6, the light rays after the first total reflection are subjected to second total reflection on the other total reflection surface 6, the light rays after the second total reflection are radiated from the middle of the upper end surface of the light entering body 1 to the surrounding due to the side edge of the long side of the total reflection surface 6, the light rays after the second total reflection form a direction perpendicular to the light emitting part 3, the radial light rays refracted by the light entering part 5 have a gathering effect, and the light rays after the second total reflection are uniformly reflected in the light emitting part 3.
According to the thick-wall part structure of the car lamp, the light emitted by the LEDs is totally reflected by the light inlet groups which radiate and extend to the surrounding, uniform emergent light is formed at the light outlet part 3, the emergent area of the light is increased, namely the same emergent length, the number of LEDs between adjacent LEDs is smaller, the number of LEDs is greatly reduced, and the effect of saving LEDs is achieved.
As shown in fig. 5, the light-emitting portion 3 includes a plurality of protrusions including but not limited to polygons, the plurality of polygonal protrusions are distributed in the entire light-emitting portion 3, and the light-emitting portion 3 is provided with dermatoglyph or pattern, which is also suitable for the present utility model, so that the light-emitting portion 3 can be uniformly refracted by the light rays subjected to multiple total reflection in the light-emitting portion 3 and the light-entering portion 5, and the light is diffused when the light is emitted from the thick-wall member in the present utility model, so that the light is emitted more uniformly.
In summary, according to the thick-wall part structure of the vehicle lamp disclosed by the utility model, the radial light rays reflected by the LEDs are refracted through the light inlet part 5, so that the radial light rays reflected by the LEDs can be uniformly refracted to the total reflection group 8, any one of the two total reflection surfaces 6 is used for carrying out first total reflection on the refracted light rays, the light rays after the first total reflection are refracted to the other total reflection surface 6 and are subjected to second total reflection, and the light rays after the second total reflection extend from the middle part of the upper end surface of the light inlet body 1 to the surrounding radiation due to the side edges of the total reflection surface 6 in the long side direction, and therefore, the light rays after the second total reflection deviate towards the first plane direction of the light inlet body 1, the radial light rays refracted by the light inlet part 5 have a gathering effect until the light rays after the second total reflection form a refraction direction perpendicular to the plane where the light outlet part 3 is positioned, and the effect that the light rays are uniformly refracted out of the light outlet part 3 is achieved; and the emergent area of the light is increased, so that the effect of saving LEDs is achieved.
The components selected in the application are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.
In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. A thick-walled member structure for a vehicle lamp, comprising:
the light incident device comprises a light incident body (1) and a light emergent body (2), wherein the light incident body (1) is connected with the light emergent body (2) and forms an included angle;
a light emitting part (3) and a total reflection part (4), wherein the light emitting part (3) is arranged on the end surface of the light emitting body (2) far away from the light entering body (1), and the total reflection part (4) is arranged at the joint of the light entering body (1) and the light emitting body (2);
the total reflection part (4) comprises a plurality of total reflection groups (8), the total reflection groups (8) comprise total reflection surfaces (6) with two side edges connected and forming an included angle, the total reflection groups (8) are sequentially connected in the long side direction to form the total reflection part (4), and one end of the long side of the total reflection group (8) is connected with the lower end face of the light emitting body (2);
one end of the total reflection group (8) connected with the lower end surface of the light emergent body (2) deflects towards the direction of the light emergent part (3) to form an angle;
the light inlet part (5), the said light inlet part (5) is set up in the middle part of the said light inlet body (1) upper end;
the side edges of the total reflection group (8) in the long side direction radiate from the middle part of the upper end surface of the light incident body (1) to the surrounding.
2. A thick-walled member construction according to claim 1 wherein,
the total reflection group (8) close to the two side surfaces of the light incident body (1) further comprises a connecting surface (7), and the connecting surface (7) is connected with the side edge of one total reflection surface (6) and forms an included angle with the side edge.
3. A thick-walled member construction in accordance with claim 2 wherein,
an included angle of 30-80 degrees is formed between the long side direction of the total reflection group (8) and the horizontal plane on the side surfaces of the light emergent body (2) and the light incident body (1).
4. A thick-walled lamp structure according to claim 3 wherein,
the side edges of the two total reflection surfaces (6) are connected and form an included angle of 80-100 degrees.
5. A thick-walled member construction according to claim 4 wherein,
the light incident portion (5) is a rotary cut-out surface with a curve as a contour line, wherein the central axis is a symmetry axis in the longitudinal direction of the upper end surface of the light incident body (1).
6. A thick-walled member construction in accordance with claim 5 wherein,
the light emergent part (3) comprises a plurality of polygonal protrusions, and a plurality of polygonal protrusion arrays are distributed on the whole light emergent part (3).
7. A thick-walled member construction in accordance with claim 6 wherein,
the LED lamp further comprises a plurality of luminous pieces, wherein the luminous pieces are arranged above the light inlet part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704212.5U CN220770882U (en) | 2023-10-09 | 2023-10-09 | Car light thick wall spare structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704212.5U CN220770882U (en) | 2023-10-09 | 2023-10-09 | Car light thick wall spare structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770882U true CN220770882U (en) | 2024-04-12 |
Family
ID=90601172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322704212.5U Active CN220770882U (en) | 2023-10-09 | 2023-10-09 | Car light thick wall spare structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770882U (en) |
-
2023
- 2023-10-09 CN CN202322704212.5U patent/CN220770882U/en active Active
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