CN114135839A - Lens capable of projecting arc-shaped light spots - Google Patents
Lens capable of projecting arc-shaped light spots Download PDFInfo
- Publication number
- CN114135839A CN114135839A CN202010917425.4A CN202010917425A CN114135839A CN 114135839 A CN114135839 A CN 114135839A CN 202010917425 A CN202010917425 A CN 202010917425A CN 114135839 A CN114135839 A CN 114135839A
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- CN
- China
- Prior art keywords
- lens body
- face
- lens
- truncated cone
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 abstract description 4
- 240000000233 Melia azedarach Species 0.000 abstract description 3
- 235000009537 plain noodles Nutrition 0.000 abstract 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lens capable of projecting arc-shaped light spots, which comprises a lens body and a printed circuit board, wherein the printed circuit board is provided with a mounting groove for mounting the lens body; the lens body is in a round table shape, the large end face of the lens body is positioned above the printed circuit board, and the small end face of the lens body is positioned below the printed circuit board; the first recess that the opening faced down has been seted up to the little terminal surface of lens body, and 3535 lamp pearl is installed to the bottom in the first recess, and first recess inside wall forms into the plain noodles, and lens body lateral wall forms the plane of reflection, and it is protruding that roof extends towards the recess open end and forms an arc form in the first recess. The invention can project arc-shaped light spots and solve the problem that the existing lens cannot meet the light distribution design requirements of illumination places such as cylindrical structure buildings, crown trees, umbrella trees and the like.
Description
Technical Field
The invention relates to the technical field of lenses, in particular to a lens capable of projecting arc-shaped light spots.
Background
The conventional lens light spot projection shape is single, and arc-shaped light spots with different radians cannot be projected, so that the requirement of illumination design in a specific place cannot be met.
Disclosure of Invention
The invention aims to overcome the defects, provides the lens capable of projecting the arc-shaped light spots, can project the arc-shaped light spots, and solves the problem that the existing lens cannot meet the light distribution of illumination places such as cylindrical structure buildings, crown trees, umbrella trees and the like.
In order to achieve the purpose, the invention provides the following technical scheme that the lens capable of projecting the arc-shaped light spot comprises a lens body and a printed circuit board, wherein the printed circuit board is provided with a mounting groove for mounting the lens body, and the lens body is mounted in the mounting groove; the lens body is in a round table shape, the large end face of the lens body is positioned above the printed circuit board, and the small end face of the lens body is positioned below the printed circuit board; a first groove with a downward opening is formed in the small end face of the lens body, 3535 lamp beads are mounted at the bottom in the first groove, a light incoming surface is formed on the inner side wall of the first groove, a reflecting surface is formed on the side wall of the lens body, and the inner top wall of the first groove extends towards the opening end of the first groove to form an arc-shaped protrusion; the lens body consists of a left half truncated cone and a right half truncated cone, the diameter of the large end face of the left half truncated cone is equal to that of the large end face of the right half truncated cone, and the diameter of the small end face of the left half truncated cone is larger than that of the small end face of the right half truncated cone; the upper end face of the left semicircular table and the upper end face of the right semicircular table are light emergent faces, the lower end face of the left semicircular table is flush with the lower end face of the right semicircular table, the upper end face of the right semicircular table is an annular free-form surface, and the annular free-form surface is close to one side of the central axis of the lens body to form a second groove with an upward opening.
The lens capable of projecting the arc-shaped light spots is characterized in that a plurality of positioning columns are uniformly arranged on the outer side wall of the lens body in the circumferential direction, and positioning notches matched with the positioning columns are formed in the bottom of the printed circuit board.
Furthermore, the lens body and the positioning column are of an integrated structure.
The lens capable of projecting the arc-shaped light spots is characterized in that four positioning columns are arranged.
The lens capable of projecting the arc-shaped light spots is characterized in that the diameter of the large end face of the lens body is 20-50 mm, the diameter of the small end face of the lens body is 20-50 mm, and the height of the lens body is 12-30 mm.
The lens capable of projecting the arc-shaped light spots is characterized in that the left half round table and the right half round table are integrally formed.
Compared with the prior art, the invention has the beneficial effects that:
1. the lens capable of projecting the arc-shaped light spots can project the arc-shaped light spots, and solves the problem that the existing lens cannot meet the light distribution of illumination places such as cylindrical structure buildings, crown trees, umbrella trees and the like.
2. According to the lens capable of projecting the arc-shaped light spots, the lens body is made of PMMA, the visible light transmittance of the PMMA reaches 94%, the light transmittance of the PMMA is greater than that of glass, and the light transmittance effect of the lens is further enhanced.
3. The limiting column is arranged on the lens body, and the accuracy of the installation position of the lens body is ensured through the matching of the positioning column and the positioning notch.
Drawings
FIG. 1 is a perspective view of a lens capable of projecting arc-shaped light spots according to the present invention;
FIG. 2 is a schematic structural diagram of a lens body according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
FIG. 4 is a schematic view of a light-emitting surface of the lens body;
FIG. 5 is a light spot simulation diagram of a lens capable of projecting arc-shaped light spots according to the present invention;
FIG. 6 is a light path irradiation diagram of the lens body according to the present invention.
The correspondence between each mark and the part name is as follows:
the lens comprises a lens body 1, a printed circuit board 2, a first groove 3, a 3535 lamp bead 4, a left semi-circular truncated cone 5, a right semi-circular truncated cone 6, a positioning column 7, a convex lens 8, a second groove 9, a first reflecting surface 10 and a second reflecting surface 11.
Detailed Description
In order to make the technical means of the implementation of the present invention, and the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, 2, 3 and 4, the embodiment discloses a lens capable of projecting arc-shaped light spots, which includes a lens body 1 and a printed circuit board 2, wherein the printed circuit board 2 is provided with an installation groove for installing the lens body 1, and the lens body 1 is installed in the installation groove; the lens body 1 is in a round table shape, the large end face of the lens body 1 is positioned above the printed circuit board 2, and the small end face of the lens body 1 is positioned below the printed circuit board 2; a groove 3 with a downward opening is formed in the small end face of the lens body 1, 3535 lamp beads 4 are mounted at the bottom of the groove 3, a light incoming surface is formed on the inner side wall of the groove 3, a reflecting surface is formed on the side wall of the lens body 1, and an arc-shaped protrusion is formed by extending the inner top wall of the groove 3 towards the opening end of the groove 3; the lens body 1 consists of a left half truncated cone 5 and a right half truncated cone 6, the diameter of the large end face of the left half truncated cone 5 is equal to that of the large end face of the right half truncated cone 6, and the diameter of the small end face of the left half truncated cone 5 is larger than that of the small end face of the right half truncated cone 6; the upper end face of the left half circular truncated cone 5 and the upper end face of the right half circular truncated cone 6 are light-emitting faces, the lower end face of the left half circular truncated cone 5 is flush with the lower end face of the right half circular truncated cone 6, the upper end face of the right half circular truncated cone 6 is an annular free-form surface, and one side, close to the central axis of the lens body 1, of the annular free-form surface forms a second groove 9 with an upward opening.
Specifically, in the present embodiment, the left half circular truncated cone 5 and the right half circular truncated cone 6 are integrally formed.
In addition, 1 lateral wall circumference of lens body in this embodiment evenly is equipped with a plurality of reference column 7, and 2 bottoms of printed circuit board are equipped with and reference column 7 assorted location notch. Through the cooperation of reference column 7 and location notch, guaranteed the accuracy of lens body 1 mounted position.
In addition, four positioning posts 7 are provided in the embodiment, and the lens body 1 and the positioning posts 7 in the embodiment are integrally formed.
Specifically, the diameter of the large end face of the lens body 1 in the present embodiment is 20 to 50mm, the diameter of the small end face of the lens body 1 is 20 to 50mm, and the height of the lens body 1 is 12 to 30 mm.
The lens body 1 in the embodiment is made of PMMA, the visible light transmittance of the PMMA reaches 94%, and the light transmittance of the PMMA is greater than that of glass, so that the light transmittance effect of the lens in the embodiment is further enhanced.
Referring to fig. 5, the arc-shaped light spots projected by the lens in this embodiment are in the same quadrant, and the arc-shaped light spots are in a half arc shape (crescent shape), the light spots cannot be rotationally symmetric in 360 ° and are circular, and the light spots need to be in 0-180 °, so the lens in this embodiment includes a first reflecting surface 10 and a second reflecting surface 11, where the first reflecting surface 10 is a left half truncated cone side wall, and the second reflecting surface 11 is a right half truncated cone side wall; the center of the lens body is taken as a point 0, the second emitting surface is rotationally symmetrical, and the light spot forms a reverse semi-arc (crescent) light spot in an (x, y) quadrant; the center of the lens body is taken as a point 0, the first emitting surface is rotationally symmetrical, and the light emitting surface corresponding to the first reflecting surface 10 is an annular free-form surface, so that the light spot forms a forward semi-arc (crescent) light spot in an (x, y) quadrant; when the lens in this embodiment is used, the light source that 3535 lamp pearl 4 launches is from the bottom incidence of recess 3, and the light that 3535 lamp pearl 4 sent jets out lens through the effect of first arc plane of reflection and second arc plane of reflection, and the arc facula of striving for of throwing out overlaps with reverse arc facula, can obtain a complete half arc (crescent) facula of accomplishing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A lens capable of projecting arc-shaped light spots is characterized by comprising a lens body and a printed circuit board, wherein the printed circuit board is provided with a mounting groove for mounting the lens body, and the lens body is mounted in the mounting groove; the lens body is in a round table shape, the large end face of the lens body is positioned above the printed circuit board, and the small end face of the lens body is positioned below the printed circuit board; a first groove with a downward opening is formed in the small end face of the lens body, 3535 lamp beads are mounted at the bottom in the first groove, a light incoming surface is formed on the inner side wall of the first groove, a reflecting surface is formed on the side wall of the lens body, and an arc-shaped protrusion is formed by extending the inner top wall of the groove towards the opening end of the first groove; the lens body consists of a left half truncated cone and a right half truncated cone, the diameter of the large end face of the left half truncated cone is equal to that of the large end face of the right half truncated cone, and the diameter of the small end face of the left half truncated cone is larger than that of the small end face of the right half truncated cone; the upper end face of the left semicircular table and the upper end face of the right semicircular table are light emergent faces, the lower end face of the left semicircular table is flush with the lower end face of the right semicircular table, the upper end face of the right semicircular table is an annular free-form surface, and the annular free-form surface is close to one side of the central axis of the lens body to form a second groove with an upward opening.
2. The lens for projecting arc-shaped light spots according to claim 1, wherein a plurality of positioning posts are uniformly arranged on the outer side wall of the lens body in the circumferential direction, and positioning notches matched with the positioning posts are arranged at the bottom of the printed circuit board.
3. The lens for projecting arc-shaped light spots according to claim 2, wherein the number of the positioning posts is four.
4. The lens for projecting arc-shaped light spots according to claim 1, wherein the diameter of the large end surface of the lens body is 20-50 mm, the diameter of the small end surface of the lens body is 20-50 mm, and the height of the lens body is 12-30 mm.
5. The lens of claim 1, wherein the left half truncated cone and the right half truncated cone are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010917425.4A CN114135839A (en) | 2020-09-03 | 2020-09-03 | Lens capable of projecting arc-shaped light spots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010917425.4A CN114135839A (en) | 2020-09-03 | 2020-09-03 | Lens capable of projecting arc-shaped light spots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114135839A true CN114135839A (en) | 2022-03-04 |
Family
ID=80438396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010917425.4A Pending CN114135839A (en) | 2020-09-03 | 2020-09-03 | Lens capable of projecting arc-shaped light spots |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114135839A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110075418A1 (en) * | 2009-09-25 | 2011-03-31 | CoreLed Systems, LLC | Illuminating optical lens for light emitting diode (LED) |
| CN207893699U (en) * | 2018-01-25 | 2018-09-21 | 成都瀚德胜邦光学有限公司 | A kind of very small angles lens |
| CN109945132A (en) * | 2017-12-21 | 2019-06-28 | 广东南益光电技术有限公司 | A kind of lens that can project arc hot spot |
| CN110375270A (en) * | 2019-08-20 | 2019-10-25 | 上海芯龙光电科技有限公司 | A kind of optical lens mould group for realizing electronic zoom |
| CN111350952A (en) * | 2020-05-22 | 2020-06-30 | 东莞市衡正光学科技有限公司 | Semi-arc facula lens |
| CN212565646U (en) * | 2020-09-03 | 2021-02-19 | 上海芯龙光电科技有限公司 | Lens capable of projecting arc-shaped light spots |
-
2020
- 2020-09-03 CN CN202010917425.4A patent/CN114135839A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110075418A1 (en) * | 2009-09-25 | 2011-03-31 | CoreLed Systems, LLC | Illuminating optical lens for light emitting diode (LED) |
| CN109945132A (en) * | 2017-12-21 | 2019-06-28 | 广东南益光电技术有限公司 | A kind of lens that can project arc hot spot |
| CN207893699U (en) * | 2018-01-25 | 2018-09-21 | 成都瀚德胜邦光学有限公司 | A kind of very small angles lens |
| CN110375270A (en) * | 2019-08-20 | 2019-10-25 | 上海芯龙光电科技有限公司 | A kind of optical lens mould group for realizing electronic zoom |
| CN111350952A (en) * | 2020-05-22 | 2020-06-30 | 东莞市衡正光学科技有限公司 | Semi-arc facula lens |
| CN212565646U (en) * | 2020-09-03 | 2021-02-19 | 上海芯龙光电科技有限公司 | Lens capable of projecting arc-shaped light spots |
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