CN220983614U - Outdoor waterproof light beam lens adapting to laser optics - Google Patents
Outdoor waterproof light beam lens adapting to laser optics Download PDFInfo
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- CN220983614U CN220983614U CN202322101199.4U CN202322101199U CN220983614U CN 220983614 U CN220983614 U CN 220983614U CN 202322101199 U CN202322101199 U CN 202322101199U CN 220983614 U CN220983614 U CN 220983614U
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- lens
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- lens group
- laser optics
- outdoor waterproof
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- 238000003384 imaging method Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an outdoor waterproof beam lens adapting to laser optics, which consists of a lens group and a first lens, wherein the lens group and the first lens are arranged on the same axis, and the lens group and the first lens are arranged in sequence from a laser source end. Wherein first lens is fixed imaging lens, and the lens group is focusing lens group, includes: a second lens, a third lens, a fourth lens and a lens barrel. The second lens is a biconvex lens, the third lens is a biconcave lens, and the fourth lens is a concave-convex lens; the first lens is a fixed imaging lens, is a plano-convex lens and is fixed on the lamp, and focusing is achieved through relative movement of the lens group and the first lens. The utility model can project the pattern with changeable angle or LOGO by matching the laser light source, which has long service life, long range and large brightness.
Description
Technical Field
The utility model relates to the technical field of optical focusing systems, in particular to an outdoor waterproof beam lens adapting to laser optics.
Background
In recent years, projection display technology has been rapidly developed, and a projection apparatus can project a large-sized image with a small apparatus volume. The projection lens is the key for influencing the quality of projection pictures, most of light sources adopted by the prior projection device are common light sources, and the projection lens has the advantages of simple structure, poor sealing performance, insufficient waterproof performance and easy limitation of places or environments.
Disclosure of utility model
The utility model aims to provide an outdoor waterproof beam lens adapting to laser optics, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lens group and the first lens are arranged on the same axis, and the lens group and the first lens are arranged in sequence from the laser light source end. The lens group is a focusing lens group, comprising: the lens comprises a second lens, a third lens, a fourth lens and a lens barrel, wherein the second lens is a biconvex lens, the third lens is a biconcave lens, and the fourth lens is a concave-convex lens; the first lens is a fixed imaging lens and is a plano-convex lens.
Preferably, the combined focal length value is 152mm-195mm.
Preferably, the optical total length is 320mm.
Preferably, F/# = 1.4.
Preferably, the beam of light has a degree of 2.94 degrees.
Preferably, a pressing ring is arranged on the outer side of the lens group.
Preferably, a sealing waterproof ring is further arranged between the lens group and the pressing ring.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, by adapting the laser light source and the focusing means, a pattern or LOGO with a variable angle can be projected. Meanwhile, uniform and clear patterns can be projected from all angles, and the color reproducibility of the image is excellent.
In addition, the utility model adopts a sealing waterproof design, can effectively isolate invasion of external water vapor and dust, protects the internal structure of the lens, and further prolongs the service life of the lens.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
The reference numerals in the figures indicate the first lens 1; the lens barrel 20, the second lens 210, the third lens 211, the fourth lens 212, the pressing ring (221; 222) and the sealing waterproof ring (231; 232).
Detailed Description
The technical solution in one embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present utility model.
Please refer to fig. 1: an outdoor waterproof beam lens adapting to laser optics is composed of a lens group and a first lens, wherein the lens group and the first lens are placed on the same axis, and the lens group and the first lens 1 are arranged in sequence from a laser source end. The lens group is a focusing lens group, comprising: a second lens 210, a third lens 211, a fourth lens 212 and a lens barrel 20, wherein the second lens 210 is a biconvex lens, the third lens 211 is a biconcave lens, and the fourth lens 212 is a meniscus lens; the first lens 1 is a fixed imaging lens and is a plano-convex lens; the first lens 1 is fixed on the lamp, and focusing is achieved through relative movement of the first lens 1 and the lens group.
The utility model gathers the light rays passing through the lens group and the plano-convex lens together by matching with the laser light source, and concentrates and refracts the light rays, thereby effectively utilizing the light rays, improving the utilization rate of the light rays, ensuring more concentrated light rays, higher light spot brightness, good light gathering effect and better stage effect, wherein the service life of the laser light source is long, frequent replacement is not required, and the light source emitted by the laser has long range and large brightness.
Through scientific design, the lens group is formed by combining three lenses, is favorable for reducing axial chromatic aberration, better concentrates light, and improves the utilization ratio of the light. Meanwhile, the lens center is attached, the volume of the lens group is reduced, the weight of the lens is reduced, and the cost is saved.
The utility model has simple integral structure, smaller volume, lighter weight and convenient installation and movement.
In this embodiment, the combined focal length is preferably 152mm to 195mm. Through focusing, reasonable beautification and illumination, the imaging distance changes along with the focusing, and patterns or LOGO with variable angles can be projected, and the projected patterns are bright and clear.
In this embodiment, F/# = 1.4 is preferable. So as to adapt the luminous characteristic of the light source and achieve the best brightness.
In this embodiment, the degree of beam emission is preferably 2.94 degrees. The small angle can make the light centralization property of the lens better, so that the projected light spot brightness is stronger and the stage effect is better.
In this embodiment, the total optical length is preferably 320mm. So that the whole system is compact and light, and the cost is reduced.
A pressing ring (221; 222) is arranged on the outer side of the lens group, and can prevent loosening, disperse the pressure of the lens and the lens barrel, and fix the lens barrel to prevent loosening.
An elastic sealing waterproof ring (231; 232) is arranged at the gap between the lens group and the pressing ring to prevent the lens from cracking due to excessive compression, and the sealing waterproof ring can relieve the pressure of the lens due to the fact that the materials of the lens and the lens barrel are different and are easy to generate heat and expand during long-time test and application; in addition, the waterproof sealing ring also effectively plays a role in waterproof, can effectively isolate invasion of external vapor and dust, protects the internal structure of the lens, further prolongs the service life of the lens, and also plays a role in compressing the lens and the lens cone. Meanwhile, when the optical parts are packaged in the lens cone, the sealing waterproof design is implemented, and the protection level is over IP66, so that the optical system is suitable for being used in outdoor extreme weather conditions, and an all-weather product with excellent environmental factor resistance is achieved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. An outdoor waterproof light beam lens of adaptation laser optics, its characterized in that: the lens group and the first lens are arranged on the same axis, and the lens group and the first lens are arranged in sequence from the laser light source end; the lens group is a focusing lens group, comprising: the lens comprises a second lens, a third lens, a fourth lens and a lens barrel, wherein the second lens is a biconvex lens, the third lens is a biconcave lens, and the fourth lens is a concave-convex lens; the first lens is a fixed imaging lens, is a plano-convex lens, has a combined focal length of 152mm-195mm and F/# = 1.4, and is further provided with a sealing waterproof ring between the lens group and the pressing ring.
2. An outdoor waterproof beam lens adapted to laser optics according to claim 1, wherein the total optical length is 320mm.
3. An outdoor waterproof beam lens adapted to laser optics according to claim 1, wherein the degree of beam out is 2.94 degrees.
4. An outdoor waterproof beam lens adapting to laser optics according to claim 1, wherein a pressing ring is arranged on the outer side of the lens group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101199.4U CN220983614U (en) | 2023-08-07 | 2023-08-07 | Outdoor waterproof light beam lens adapting to laser optics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101199.4U CN220983614U (en) | 2023-08-07 | 2023-08-07 | Outdoor waterproof light beam lens adapting to laser optics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983614U true CN220983614U (en) | 2024-05-17 |
Family
ID=91035593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322101199.4U Active CN220983614U (en) | 2023-08-07 | 2023-08-07 | Outdoor waterproof light beam lens adapting to laser optics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983614U (en) |
-
2023
- 2023-08-07 CN CN202322101199.4U patent/CN220983614U/en active Active
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