CN212929894U - Light path refraction structure of pattern lamp - Google Patents
Light path refraction structure of pattern lamp Download PDFInfo
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- CN212929894U CN212929894U CN202021774997.3U CN202021774997U CN212929894U CN 212929894 U CN212929894 U CN 212929894U CN 202021774997 U CN202021774997 U CN 202021774997U CN 212929894 U CN212929894 U CN 212929894U
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Abstract
The utility model provides a light path refraction structure of pattern lamp, includes condenser lens group and imaging lens group, its characterized in that, condenser lens group and imaging lens group parallel arrangement, condenser lens group includes light source, lens one, lens two, and light is sent through lens one and lens two and gets into imaging lens group, imaging lens group includes film, lens three, lens four, double mirror, and film of light of lens two is penetrated to the film through lens three, and four back outgoing to the double mirror of lens are reflected away through the double mirror, light source and lens one, lens two, lens three, lens four all are located same optical axis, put through focus combination and position, reduce the loss of light, have made the high and high advantage of luminance of the pattern definition of projection.
Description
Technical Field
The utility model relates to a lamps and lanterns field, specific is a light path refraction structure for pattern lamp.
Background
The existing traditional pattern lamp has the defects that the light-emitting efficiency of a light source is not high enough, and the pattern projected by light through a lens and a film has an atomization phenomenon, so that the pattern is not clear enough; the combination lens has poor design of refraction angle, so that excessive light is lost, and the brightness of the projected pattern is not high enough. Therefore, a novel light path structure is designed, and the problems of unclear projected image of the pattern lamp and low brightness are solved.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough problem that prior art exists, the utility model provides a light path structure to realize light source light-emitting effect maximize, utilize this light path structure to make the pattern definition that the pattern lamp projection came out high, characteristics that luminance is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a light path refraction structure of pattern lamp, includes condensing lens group and imaging lens group, its characterized in that, condensing lens group and imaging lens group parallel arrangement, condensing lens group includes light source, lens one, lens two, and light is sent by the light source and gets into imaging lens group through lens one and lens two, imaging lens group includes film, lens three, lens four, double-sided mirror, and film through lens three is penetrated in the light of lens two, and four back outgoing of lens go out to the double-sided mirror, go out through the double-sided mirror reflection, light source and lens one, lens two, lens three, lens four all are located same optical axis.
The first lens 12 and the second lens 13 of the condenser lens group are both glass plano-convex lenses with the diameter of 15.5mm and the height of 4.3mm, and the focal length of the glass plano-convex lenses is 20mm, the third lens and the fourth lens of the imaging lens group are both glass plano-convex lenses with the diameter of 16mm and the height of 5mm, and the focal length of the glass plano-convex lenses is 14mm and is made of PMMA.
The condenser lens group is sequentially provided with a light source, a first lens and a second lens from left to right, the plane end of the first lens is opposite to the light source, and the convex surface end of the first lens is opposite to the convex surface end of the second lens.
The imaging lens group is sequentially provided with a film, a third lens, a fourth lens and a double-sided mirror from left to right, the three planar ends of the lenses face the film, and the convex end of the third lens is opposite to the convex end of the fourth lens.
The film is arranged between the second lens and the third lens and is close to the third lens, black silk screen is arranged on one surface of the film, the surface is opposite to the plane end of the third lens, and clear patterns with the diameter of 1m-2m can be formed when the size of the film patterns is imaged on a positive projection road surface at the position of 1m-2 m.
The double-sided mirror is a double-sided mirror with a protective film adhered to one side, and the protective film adhered to the double-sided mirror is a reflecting surface.
The reflecting surface (the surface with the protective film is the reflecting surface) of the double-sided mirror is opposite to and obliquely arranged with the four plane ends of the lens, and light is refracted by the lens IV and then emitted to the double-sided mirror and then reflected by the double-sided mirror.
The distance between the first lens of the light source and the light source is 10mm, the distance between the second lens of the light source and the light source is 24mm, the distance between the film and the light source is 31.5mm, the distance between the third lens of the light source and the film is 1.6mm, the distance between the fourth lens of the light source and the third lens of the light source and the distance between the fourth lens of the light source and the light source are 20mm, the double-sided mirror is placed on the right side of the fourth lens of the light source.
The structures in the condenser lens group and the imaging lens group are respectively arranged and installed on a shell.
The utility model discloses following beneficial effect has: through using fixed focal length combination and position to put, make the light-emitting effect maximize of light source and solve the combined lens refraction angle design harmfully, lead to losing light too much, make the pattern projection on the film piece have the luminance height, characteristics that the definition is high, and the design is simple and convenient, can reach the projection through changing the film piece and go out different patterns.
Drawings
Fig. 1 is a schematic diagram of an optical path in an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the present invention integrated with a housing;
description of the main elements
In the figure: 1. a condenser lens group; 2. an imaging lens group; 11. a light source; 12. a first lens; 13. a second lens; 21. film; 22. a third lens; 23. a fourth lens; 24. a double-sided mirror.
Detailed Description
Referring to fig. 1 to 2, an optical path refraction structure of a pattern lamp includes a condenser lens group 1 and an imaging lens group 2, and is characterized in that the condenser lens group 1 is arranged in parallel with the imaging lens group 2, the condenser lens group 1 includes a light source 11, a first lens 12 and a second lens 13, light emitted by the light source 11 enters the imaging lens group 2 after being condensed by the first lens 12 and the second lens 13, the imaging lens group 2 includes a third lens 22, a first lens 21, a fourth lens 23 and a double-sided mirror 24, light from the second lens 13 is uniformly irradiated onto the first lens 21 and reflected by the third lens 22, the fourth lens 23 is refracted and then emitted to the double-sided mirror 24, and the light is reflected by the double-sided mirror 24, the light source 11 and the first lens 12, the second lens 13, the third lens 22 and the fourth lens 23 are all located on the same optical axis, and the light is condensed and collimated by the first lens 12 and the second lens.
The high-temperature-resistant glass plano-convex lens is characterized in that a first lens 12 and a second lens 13 of the condensing lens group are both 15.5mm in diameter and 4.3mm in height, and a focal length of the high-temperature-resistant glass plano-convex lens is 20mm, a third lens 22 and a fourth lens 23 of the imaging lens group are both 16mm in diameter and 5mm in height, and a focal length of the high-temperature-resistant glass plano-convex lens is 14mm, and the high-temperature-resistant PMMA plano-convex lens is.
The condenser lens group 1 is sequentially provided with a light source 11, a first lens 12 and a second lens 13 from left to right, wherein the plane end of the first lens 12 is opposite to the light source 11, and the convex surface end of the first lens 12 is opposite to the convex surface end of the second lens 13.
The imaging lens group 2 is sequentially provided with a film 21, a lens three 22, a lens four 23 and a double-sided mirror 24 from left to right, the plane end of the lens three 22 faces the film 21, and the convex end of the lens three 22 faces the convex end of the lens four 23.
The film 21 is arranged between the second lens 13 and the third lens 22 and is close to the third lens 22, one side of the film 21 is printed with black silk, the side faces the plane end of the third lens 22, the light emitted by the condenser lens group 1 is uniformly irradiated onto the film 21, the patterns of the film 21 form enlarged virtual images through the lens 3, and the four lenses 23 project the virtual images.
The reflecting surface (the surface with the protective film is the reflecting surface) of the double-sided mirror 24 is opposite to the plane end of the lens IV 23 and is obliquely arranged, and the double-sided mirror 24 is used for changing the light path of the light from the lens IV 23 so as to project the pattern.
The first lens 12 is 10mm away from the light source, the second lens 13 is 24mm away from the light source, the film 21 is 31.5mm away from the light source, the third lens 22 is 1.6mm away from the film, the fourth lens 23 is 20mm away from the third lens, the double-sided mirror 24 is arranged on the right side of the fourth lens 23 in an inclined angle of 45 degrees, and the distances between the light source 11 and the lenses are the distances between the light source 11 and the plane end of the lenses. The light emitting effect is maximized and the light loss rate caused by poor angle is reduced by the fixed position arrangement.
The utility model discloses following beneficial effect has: through using fixed focal length combination and position to put, make the light-emitting effect maximize of light source and solve the combined lens refraction angle design harmfully, lead to losing light too much, make the pattern projection on the film piece have the luminance height, characteristics that the definition is high, and the design is simple and convenient, can reach the projection through changing the film piece and go out different patterns.
The components in the condenser lens group and the imaging lens group are respectively arranged and mounted on a shell, as referred to in fig. 2.
The standard parts used by the novel structure can be purchased from the market, and the special-shaped parts can be customized according to the description of the specification and the description of the attached drawings, and are not described in detail herein.
The above embodiments are listed as the preferred implementation method of the present invention, which is not a limitation of the present invention, and any obvious replacement is within the protection scope of the present invention without departing from the inventive concept of the present invention.
Claims (9)
1. A light path refraction structure of a pattern lamp comprises a light-condensing lens group (1) and an imaging lens group (2), and is characterized in that the light-condensing lens group (1) and the imaging lens group (2) are arranged in parallel, the light-condensing lens group (1) comprises a light source (11), a first lens (12) and a second lens (13), light is emitted by the light source (11) and enters the imaging lens group (2) through the first lens (12) and the second lens (13), the imaging lens group (2) comprises a Feilin sheet (21), a third lens (22), a fourth lens (23) and a double-sided mirror (24), light from the second lens (13) enters the Feilin sheet (21) and exits to the double-sided mirror (24) after being refracted by the third lens (22), and is reflected by the double-sided mirror (24), the light source (11) and the first lens (12), the second lens (13) and the third lens (22), the four lenses (23) are all located on the same optical axis.
2. The optical path refraction structure of a pattern lamp as claimed in claim 1, wherein the first lens (12) and the second lens (13) of the condenser lens set are both glass plano-convex lenses with a diameter of 15.5mm, a height of 4.3mm and a focal length of 20mm, and the third lens (22) and the fourth lens (23) of the imaging lens set are both glass plano-convex lenses with a diameter of 16mm, a height of 5mm and a focal length of 14mm, and are made of PMMA plano-convex lenses.
3. The light path refracting structure of a pattern lamp according to claim 1, wherein the condenser lens group (1) is sequentially provided with a light source (11), a first lens (12), and a second lens (13) from left to right, a planar end of the first lens (12) faces the light source, and a convex end of the first lens (12) faces a convex end of the second lens (13).
4. The light path refraction structure of the pattern lamp according to claim 3, wherein the imaging lens group (2) is sequentially provided with a film (21), a third lens (22), a fourth lens (23) and a double-sided mirror from left to right, the plane end of the third lens (22) faces the film (21), and the convex end of the third lens (22) faces the convex end of the fourth lens (23).
5. The light path refraction structure of a pattern lamp according to claim 4, wherein the film (21) is disposed between the second lens (13) and the third lens (22) and close to the third lens (22), and one surface of the film (21) is printed with black silk, and the surface is opposite to the plane end of the third lens (22).
6. The light path refracting structure of a pattern lamp according to claim 5, wherein the double-sided mirror (24) is a double-sided mirror having a protective film attached to one side thereof, and the protective film attached thereto is a light reflecting surface.
7. The light path refracting structure of a pattern lamp according to claim 6, wherein the light reflecting surface is disposed to face and be inclined with respect to the four (23) planar ends of the lens.
8. The light path refracting structure of a pattern lamp according to claim 1, wherein the first lens (12) is 10mm away from the light source, the second lens (13) is 24mm away from the light source, the film (21) is 31.5mm away from the light source, the third lens (22) is 1.6mm away from the film, the fourth lens (23) is 20mm away from the third lens, and the double-sided mirror (24) is disposed at an angle of 45 degrees on the right side of the fourth lens (23).
9. The optical path refraction structure of a pattern lamp as claimed in claim 7, wherein the structures of the condenser lens group (1) and the imaging lens group (2) are respectively disposed and mounted on a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774997.3U CN212929894U (en) | 2020-08-21 | 2020-08-21 | Light path refraction structure of pattern lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774997.3U CN212929894U (en) | 2020-08-21 | 2020-08-21 | Light path refraction structure of pattern lamp |
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| Publication Number | Publication Date |
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| CN212929894U true CN212929894U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021774997.3U Active CN212929894U (en) | 2020-08-21 | 2020-08-21 | Light path refraction structure of pattern lamp |
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| CN (1) | CN212929894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116300292A (en) * | 2023-03-29 | 2023-06-23 | 广州市小萤成像技术有限公司 | Projection light path structure and projection advertising lamp |
-
2020
- 2020-08-21 CN CN202021774997.3U patent/CN212929894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116300292A (en) * | 2023-03-29 | 2023-06-23 | 广州市小萤成像技术有限公司 | Projection light path structure and projection advertising lamp |
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