CN115508924B - Rotary zoom lens assembly - Google Patents
Rotary zoom lens assembly Download PDFInfo
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- CN115508924B CN115508924B CN202211314982.2A CN202211314982A CN115508924B CN 115508924 B CN115508924 B CN 115508924B CN 202211314982 A CN202211314982 A CN 202211314982A CN 115508924 B CN115508924 B CN 115508924B
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- main body
- cover plate
- lens
- lens main
- bulges
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- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 230000007547 defect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 206010025421 Macule Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B2003/0093—Simple or compound lenses characterised by the shape
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The application belongs to the technical field of lens optics, and particularly relates to a rotary zoom lens component. The lens comprises a lens main body and a cover plate, wherein a light inlet is formed in the bottom of the lens main body, a light inlet surface is formed in the inner wall of the light inlet, a reflecting surface is formed in the side wall of the lens main body, a plurality of bulges which are formed into a plurality of circles along the radial direction and are distributed in a circumferential array are arranged on the top surface of the lens main body, the bulges are respectively arranged at intervals along the radial direction and the circumferential direction in a staggered manner, the bulges are smoothly connected to form a net point curved surface, and the top surface forms a first refraction surface; the cover plate is rotationally covered on the top of the lens main body and is arranged at intervals with the lens main body, the bottom surface of the cover plate is arranged to be a net point curved surface consistent with the top surface of the lens main body, a second refraction surface is formed on the bottom surface, and an emergent surface is formed on the top of the cover plate. The application is used for solving the problem of troublesome adjustment of the zoom lens.
Description
Technical Field
The application belongs to the technical field of lens optics, and particularly relates to a rotary zoom lens component.
Background
With the advent of the era of intellectualization and automation, the use requirements of intelligent optical equipment, self-adaptive optical systems and the like on novel optical zoom lenses are continuously improved.
Angle zoom lenses used in the market generally meet the angle requirement by changing different angle filters or changing the distance between the LED and the lens.
However, this way of adjusting the lens pitch generally requires a larger height space, and the adjustment way of changing different filter discs is generally troublesome, and uneven coating of fluorescent powder on some lenses also causes serious yellow circles, which makes it difficult to achieve the expected use effect.
Disclosure of Invention
The technical problem to be solved by the embodiment of the application is to overcome the defects in the prior art, and provide a rotary zoom lens assembly for solving the problem of troublesome adjustment of a zoom lens.
The technical scheme for solving the technical problems is as follows: a rotary zoom lens assembly, comprising:
the lens comprises a lens main body, wherein a light inlet hole is formed in the bottom of the lens main body, a light inlet surface is formed in the inner wall of the light inlet hole, a reflecting surface is formed in the side wall of the lens main body, a plurality of positioning grooves are formed in the outer edge of the top of the lens main body at intervals, a plurality of bulges which are formed into a plurality of circles along the radial direction and are distributed in a circumferential array are formed in the top surface of the lens main body, the bulges are respectively arranged at intervals along the radial direction and the circumferential direction in a staggered mode, and the bulges are smoothly connected to form a lattice point curved surface, so that the top surface forms a first refraction surface;
and the cover plate is rotationally covered on the top of the lens main body and is arranged at intervals with the lens main body, the bottom surface of the cover plate is arranged to be a mesh point curved surface consistent with the top surface of the lens main body, a second refraction surface is formed on the bottom surface, and an emergent surface is formed on the top of the cover plate.
Compared with the prior art, the technical scheme has the following beneficial effects:
the top surface of the lens main body and the bottom surface of the cover plate are provided with dot curved surfaces, the dot curved surfaces are alternately arranged at intervals to form bulges which are distributed in a circumferential array, the relative positions of the bulges on the first refraction surface and the second refraction surface are adjusted by rotating the angle between the cover plate and the lens main body, the incidence angle and the emergent angle of light rays passing through the first refraction surface and the second refraction surface are further changed, the zooming effect is achieved, the height of the whole lens is greatly reduced by rotating the zooming mode, the cost is reduced, and meanwhile, the macula can be homogenized, the facula defect is improved, and the illumination effect is improved by superposing the cover plate and the lens main body.
Further, the number of the protrusions included in each circle of protrusions is the same, and the protrusions are uniformly arranged at intervals.
Further, the convex profile radius becomes gradually larger in the radially outward direction.
Further, an embedding hole is formed in the center of the top of the lens main body, and a positioning column matched with the embedding hole is arranged at the bottom of the cover plate.
Further, the top periphery of the lens body is provided with a first end edge, the periphery of the cover plate is provided with a second end edge matched with the first end edge, and the first end edge and the second end edge are respectively higher than the highest point of the protrusion in the lens body and the highest point of the protrusion in the cover plate.
Further, at least one adjusting and positioning protrusion is arranged on the first end edge, and an adjusting and positioning groove matched with the adjusting and positioning protrusion is continuously arranged on the second end edge.
Further, the incident angle of the light passing through the second refraction surface meets the following conditions: θ in ＝Sin -1 N out Sinθ out /N in ；
Wherein θ in For incident angle, theta out N is the angle of refraction in For the refractive index of the medium in the incident region, N out Is the refractive index of the medium in the refractive region.
Further, a plurality of positioning convex blocks are correspondingly arranged on the outer edge of the cover plate at intervals.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, 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 overall structure of an embodiment of the present application.
Fig. 2 is a schematic front view of fig. 1.
Fig. 3 is a schematic view of the cross-sectional structure A-A of fig. 2.
Fig. 4 is a schematic view of the cross-sectional structure of B-B in fig. 2.
Fig. 5 is a schematic view of the incidence angle of the condensing effect in the present application.
FIG. 6 is a graph showing the incidence angle of the astigmatism effect according to the present application.
Reference numerals:
1. a lens body; 2. a cover plate;
3. a light inlet hole; 4. a light incident surface; 5. a reflecting surface; 6. a first refractive surface; 7. a second refraction surface;
8. an exit surface;
9. a protrusion;
10. embedding holes; 11. positioning columns;
12. a first end edge; 13. a second end edge; 14. adjusting the positioning bulge; 15. adjusting the positioning groove;
16. a positioning groove; 17. and positioning the protruding blocks.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 6, a rotary zoom lens assembly according to an embodiment of the present application includes: a lens body and a cover sheet.
As shown in fig. 3, a light incident hole is formed in the bottom of the lens main body, a light incident surface is formed on the inner wall of the light incident hole, a light source is arranged in the light incident hole, a reflecting surface is formed on the side wall of the lens main body to reflect light to the top surface of the lens main body, and a plurality of positioning grooves are formed at intervals on the outer edge of the top of the lens main body, and in this embodiment, 4 positioning grooves are formed for positioning the whole lens main body, as shown in fig. 4; on the other hand, a plurality of positioning convex blocks are correspondingly arranged on the outer edge of the cover plate at intervals, and the rotating cover plate is driven by the cooperation of the positioning convex blocks and an external adjusting mechanism so as to achieve the purpose of rotating the cover plate.
The top surface of the lens main body is provided with a plurality of bulges which are formed into a plurality of circles along the radial direction and are distributed in a circumferential array, the bulges are respectively arranged at intervals along the radial direction and the circumferential direction in a staggered manner, and the bulges are smoothly connected to form a net point curved surface, so that the top surface forms a first refraction surface;
the cover plate is rotationally covered on the top of the lens main body, specifically, the axial lead of the cover plate and the axial lead of the lens main body are coaxially arranged, the cover plate and the lens main body are arranged at intervals, the bottom surface of the cover plate is arranged to be a net point curved surface consistent with the top surface of the lens main body, a second refraction surface is formed on the bottom surface, and an emergent surface is formed on the top of the cover plate;
because the bottom surface of the cover plate is provided with the dot curved surfaces consistent with the top surface of the lens main body, the dot curved surfaces are arranged in a staggered way at intervals, when the cover plate is rotated, two dot curved surfaces of which the intervals are opposite to the intervals of the lens main body can be opposite to each other, particularly as shown in fig. 5 and 6, when the upper bulge of the lens main body is opposite to the upper bulge of the cover plate in the same vertical direction, the convex of the lens main body and the upper bulge of the cover plate are arranged in a staggered way, namely, when the upper bulge of the lens main body is aligned with the upper bulge of the cover plate in the same vertical direction, the convex of the lens main body is aligned with the upper bulge of the cover plate in the same vertical direction, and the convex effect is achieved at the moment, and the angle between the cover plate and the lens main body is changed through rotation to realize zoom adjustment.
The interval staggering arrangement is specifically that the bulges are arranged at intervals in the same radial direction, the bulges in the two adjacent radial directions are not contacted with each other, the radial dislocation is formed, the bulges in the two adjacent circumferential directions are not contacted with each other, the bulges are staggered, the circumferential dislocation is formed, each bulge in the integrally formed multi-circle circumferential array structure is relatively independent, namely, the periphery of each bulge is a recess formed relatively, (specifically, the recess is formed by smoothly connecting the bulge with the surface of the top surface of the lens main body), an irregular net point curved surface is formed, and conversely, the periphery of each recess formed relatively is surrounded by four bulges, so that all bulges are formed at intervals in a staggered manner on the top surface of the lens main body and the bottom surface of the cover plate.
The top surface of the lens main body and the bottom surface of the cover plate are provided with dot curved surfaces, the dot curved surfaces are alternately arranged at intervals to form bulges which are distributed in a circumferential array, the relative positions of the bulges on the first refraction surface and the second refraction surface are adjusted by rotating the angle between the cover plate and the lens main body, the incidence angle and the emergent angle of light rays passing through the first refraction surface and the second refraction surface are further changed, the zooming effect is achieved, the height of the whole lens is greatly reduced by rotating the zooming mode, the cost is reduced, and meanwhile, the macula can be homogenized, the facula defect is improved, and the illumination effect is improved by superposing the cover plate and the lens main body.
As shown in fig. 5 and 6, the incident angle of the light passing through the second refraction surface satisfies the following conditions: θ in ＝Sin - 1 N out Sinθ out /N in ；
Wherein θ in The incident angle is the included angle between the light ray entering the second refracting surface and the normal line of the incident point;
θ out the refraction angle is the included angle between the light rays and the normal line of the incident point when the light rays exit the second refraction surface;
N in the refractive index of the medium in the incident area is specifically the refractive index of the air medium in this embodiment;
N out is folded intoRefractive index of the shot medium, in this embodiment, the refractive index of the cover plate material is specific.
Therefore, the control of the refraction angle of the light is realized by controlling the selection of the lens materials and controlling the height and the curvature of each bulge on the first refraction surface and the second refraction surface so as to meet the expected light zooming requirement.
Every circle the protruding quantity that contains in the arch is the same, and every circle protruding even interval sets up, and protruding even interval sets up in every circle for facula effect is even adjustable.
Specifically, the radius of the outline of the bulge gradually becomes larger along the radial outward direction, the outline of the periphery of the bulge gradually becomes larger, a larger refraction effect is achieved, the light rays irradiated to the outer ring play a large refraction effect through the bulge with large volume, the path of the light rays can be changed to a larger extent, and the light rays are better regulated, so that the expected facula effect is achieved.
In this embodiment, a hole is set in the center of the top of the lens body, a positioning column matched with the hole is set at the bottom of the cover plate, and the positioning column and the embedded Kong Pi are matched to facilitate the positioning of the cover plate to rotate around the center of the lens body so as to change the light effect.
In this embodiment, lens body top periphery is provided with first end edge, cover plate periphery be provided with first end edge matched second end edge, first end edge and second end edge are higher than respectively protruding highest point in the lens body and protruding highest point in the cover plate, protruding in protruding first end edge and second end edge set up protruding interval on lens main part and the cover plate for the two are rotatory more convenient and smooth.
Further, at least one adjusting and positioning protrusion is arranged on the first end edge, adjusting and positioning grooves matched with the adjusting and positioning protrusions are continuously formed on the second end edge, a circumferential wavy structure is formed on the bottom of the second end edge by the continuous adjusting and positioning grooves, when each adjusting and positioning protrusion is embedded into different adjusting and positioning grooves in a moving and changing mode, the angle between the cover plate and the lens main body can be adjusted, and the adjusting and positioning protrusions and the adjusting and positioning grooves can be arranged to be matched with each other according to adjusting accuracy.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (8)
1. A rotary zoom lens assembly, comprising:
the lens comprises a lens main body, wherein an incident light hole is formed in the bottom of the lens main body, an incident light surface is formed on the inner wall of the incident light hole, a reflecting surface is formed on the side wall of the lens main body, a plurality of positioning grooves are formed at intervals on the outer edge of the top of the lens main body, a plurality of bulges which are formed into a plurality of circles along the radial direction and are distributed in a circumferential array mode are formed on the top surface of the lens main body, the bulges are respectively arranged at intervals along the radial direction in a staggered mode, the bulges are smoothly connected to form a net point curved surface, the top surface forms a first refraction surface, wherein the interval staggered mode is specifically that the bulges are arranged at intervals along the same radial direction, the bulges in the two adjacent radial directions are not contacted with each other, the bulges are staggered in the same circumferential direction, the bulges are not contacted with each other in the two adjacent circumferential directions, the bulges are staggered in the two circumferential directions, the circumferential directions are staggered, the bulges in the circumferential array structure are formed into a plurality of circles, namely the peripheries of the bulges are formed into opposite concave structures, and form irregular net points, the peripheries of each bulge are surrounded by four bulges, and thus all the opposite formed concave peripheries are formed on the periphery of the bulge are formed into a staggered surface, and the top surface of the lens main body is staggered with the bottom surface and the cover plate;
the cover plate is rotationally covered on the top of the lens main body and is arranged at intervals with the lens main body, the bottom surface of the cover plate is arranged to be a mesh point curved surface consistent with the top surface of the lens main body, a second refraction surface is formed on the bottom surface of the cover plate, an emergent surface is formed on the top of the cover plate, as the mesh point curved surface consistent with the top surface of the lens main body is formed on the bottom surface of the cover plate, when the cover plate is rotated, two mesh point curved surfaces opposite to the interval of the cover plate and the lens main body are opposite to each other in different angles, when the upper bulge of the lens main body is opposite to the upper bulge of the cover plate in the same vertical direction, the convex of the lens main body and the upper bulge of the cover plate are arranged in a staggered mode, namely, the upper bulge of the lens main body is aligned with the upper bulge of the cover plate in the same vertical direction, or the upper bulge of the lens main body is aligned with the upper bulge of the cover plate in the same vertical direction, and the angle of the cover plate and the cover plate is changed through rotation, so that zoom adjustment is realized.
2. A rotary zoom lens assembly according to claim 1, wherein the number of protrusions included in each turn of the protrusions is the same, and wherein the protrusions are evenly spaced apart for each turn.
3. A rotary zoom lens assembly as claimed in claim 1, wherein the convex profile radius gradually increases in a radially outward direction.
4. The rotary zoom lens assembly of claim 1, wherein the lens body has a hole in the center of the top thereof, and the cover bottom has a positioning post matching the hole.
5. A rotary zoom lens assembly according to claim 1, wherein the lens body top periphery is provided with a first end edge and the cover plate periphery is provided with a second end edge matching the first end edge, the first and second end edges being higher than the highest point of the protrusion in the lens body and the highest point of the protrusion in the cover plate, respectively.
6. A rotary zoom lens assembly according to claim 5, wherein the first end edge is provided with at least one adjustment locating projection and the second end edge is continuously provided with an adjustment locating groove matching the adjustment locating projection.
7. The rotary zoom lens assembly of claim 1, wherein the angle of incidence of the light rays through the second refractive surface satisfies the following condition: Ɵ in =Sin -1 N out SinƟ out /N in ；
Therein, Ɵ in For incident angle Ɵ out N is the angle of refraction in For the refractive index of the medium in the incident region, N out Is the refractive index of the medium in the refractive region.
8. The rotary zoom lens assembly of claim 1, wherein the outer edge of the cover plate is provided with a plurality of positioning projections at corresponding intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211314982.2A CN115508924B (en) | 2022-10-25 | 2022-10-25 | Rotary zoom lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211314982.2A CN115508924B (en) | 2022-10-25 | 2022-10-25 | Rotary zoom lens assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115508924A CN115508924A (en) | 2022-12-23 |
| CN115508924B true CN115508924B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211314982.2A Active CN115508924B (en) | 2022-10-25 | 2022-10-25 | Rotary zoom lens assembly |
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| Country | Link |
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| CN (1) | CN115508924B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5228217B1 (en) * | 2012-06-19 | 2013-07-03 | 鈴木 優一 | Lens, illumination device, light receiving device, and optical device |
| CN208997994U (en) * | 2018-09-04 | 2019-06-18 | 深圳市金流明光电技术有限公司 | A kind of lens, light emitting module and wall lamp with the lens |
| CN110319422A (en) * | 2019-06-24 | 2019-10-11 | 深圳明智超精密科技有限公司 | A kind of novel spreadlight lens |
| TWI697642B (en) * | 2019-11-22 | 2020-07-01 | 堤維西交通工業股份有限公司 | Lens device |
| CN114857540A (en) * | 2022-04-09 | 2022-08-05 | 深圳市朗一曼光学有限公司 | Variable-focus lens design for industrial and mining lamp |
-
2022
- 2022-10-25 CN CN202211314982.2A patent/CN115508924B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5228217B1 (en) * | 2012-06-19 | 2013-07-03 | 鈴木 優一 | Lens, illumination device, light receiving device, and optical device |
| CN208997994U (en) * | 2018-09-04 | 2019-06-18 | 深圳市金流明光电技术有限公司 | A kind of lens, light emitting module and wall lamp with the lens |
| CN110319422A (en) * | 2019-06-24 | 2019-10-11 | 深圳明智超精密科技有限公司 | A kind of novel spreadlight lens |
| TWI697642B (en) * | 2019-11-22 | 2020-07-01 | 堤維西交通工業股份有限公司 | Lens device |
| CN114857540A (en) * | 2022-04-09 | 2022-08-05 | 深圳市朗一曼光学有限公司 | Variable-focus lens design for industrial and mining lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115508924A (en) | 2022-12-23 |
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