CN109578825A - Compact panoramic exposure device - Google Patents
Compact panoramic exposure device Download PDFInfo
- Publication number
- CN109578825A CN109578825A CN201910037371.XA CN201910037371A CN109578825A CN 109578825 A CN109578825 A CN 109578825A CN 201910037371 A CN201910037371 A CN 201910037371A CN 109578825 A CN109578825 A CN 109578825A
- Authority
- CN
- China
- Prior art keywords
- panoramic exposure
- lens
- reflecting surface
- light source
- compact
- 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
- 238000005286 illumination Methods 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
-
- 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
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- 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
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of compact panoramic exposure devices, by lampshade, panoramic exposure lens, lens mount, circuit board, light source is installed together with optical axis is compact, the panoramic exposure lens include first refractive face, first reflecting surface, second plane of refraction and the second reflecting surface, the first refractive face, first reflecting surface, second plane of refraction and the second reflecting surface are the spherical surface or rotationally symmetrical aspherical of annulus, light source issues white light, through the first refractive surface compression dispersion angle of panoramic exposure lens, by two secondary reflection of the first reflecting surface and the second reflecting surface of panoramic exposure lens, form emergent light, launch finally by the second plane of refraction of panoramic exposure lens.A kind of compact panoramic exposure apparatus structure of the invention is simple, and occupied space is few, and illuminating effect is well, it can be achieved that the Uniform Illumination of 360 ° of annulus.
Description
Technical field
The present invention relates to illumination optical technical field more particularly to a kind of compact panoramic exposure devices.
Background technique
The optics active illumination device that panoramic exposure device uses when requiring as field angle other than ring belt area without veiling glare,
With extremely important and irreplaceable application value, without rotating or placing multiple light sources group, the characteristic of maintaining uniform illumination
So that it is had boundless application environment, can be applied to illuminate panorama in the field for having demand, it is only necessary to face (body) light source
In addition a lens can be achieved with panorama illumination, such as panorama alarm light, security protection headlamp, the beacon etc. of navigation.
Traditional lighting device generally uses rotating LED light source directly to go out the light source assembly of light or multiple circumference uniform distributions
Realize circumference annular illumination.Rotating LED source efficiency is low, and not can guarantee good illuminating effect, and multiple circumference uniform distributions
Light source assembly then cannot achieve uniform annular illumination.With the appearance of the panorama illumination camera lens of annulus visual field, dexterously improve
This status is achieved so that providing a kind of annulus 360 ° of panorama lighting devices.
Summary of the invention
The technical problem to be solved in the present invention is that being lacked for rotating LED source efficiency existing in the prior art is low
It falls into, a kind of 360 ° of panorama lighting devices of compact annulus is provided.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of compact panoramic exposure device is provided, the lens mount, the lens branch are installed on the heat dissipation base
The panoramic exposure lens are fixed on seat；The circuit board is mounted on the heat dissipation base, and the light source is mounted on the electricity
On the plate of road, and light source is placed in immediately below the panoramic exposure lens, and the lampshade is located at the panoramic exposure outer simultaneously
It is fixed on the heat dissipation base, the lampshade, panoramic exposure lens, lens mount, circuit board, light source are in same optical axis；
The panoramic exposure lens include first refractive face, the first reflecting surface, the second plane of refraction and the second reflecting surface, described
First refractive face, the first reflecting surface, the second plane of refraction and the second reflecting surface are the spherical surface or rotationally symmetrical aspherical of annulus, described
Light source issues white light, through the first refractive surface compression dispersion angle, by first reflecting surface and the second reflecting surface
Two secondary reflections form emergent light, launch finally by second plane of refraction.
Above-mentioned technical proposal is connect, the light source is LED light source, issues the white light with certain angle of divergence.
Above-mentioned technical proposal is connect, the panoramic exposure lens are saturating made of one-time formed resin or glass material
Mirror, spectral transmission range are 400nm~1080nm.
Above-mentioned technical proposal is connect, antireflective film, first reflecting surface and second reflecting surface are plated in the first refractive face
Reflectance coating is plated, second plane of refraction plates anti-reflection film.
Above-mentioned technical proposal is connect, the lampshade is the cover of monolithic high transparency spherical resin material, inner surface top
For rotationally symmetrical spherical surface or aspherical, and it is engaged with the first mirror surface of the panoramic exposure lens.
Above-mentioned technical proposal is connect, the lens mount is contacted with the second mirror surface of the panoramic exposure lens matches
It closes.
Connect above-mentioned technical proposal, the circuit board is the thermal conductive ceramic substrate as made of ceramic post sintering, the circuit board with
The focusing spacer ring is provided between the lens mount.
Above-mentioned technical proposal is connect, the focusing spacer ring and institute are passed sequentially through between the lens mount and the heat dissipation base
It states circuit board laminate to cooperate with optical axis, and is fixed on heat dissipation base by three centrosymmetric screws.
Above-mentioned technical proposal is connect, the heat dissipation base is the aluminium heat sink of circle distribution radiating fin.
The beneficial effect comprise that: a kind of compact panoramic exposure device provided by the invention, by lampshade, panorama
Illumination lens, lens mount, circuit board, light source are installed together with optical axis is compact, panoramic exposure lens using multiple spherical surfaces and
The simple lens structure type of cuff surface composition, including first refractive face, the first reflecting surface, the second plane of refraction and the second reflection
Face, the white light that light source issues are anti-twice by the first reflecting surface and the second reflecting surface through first refractive surface compression dispersion angle
It penetrates, launches finally by the second plane of refraction.It realizes and only face (body) light source is needed to can be achieved with plus a lens
Panorama illumination, structure is simple, and occupied space is few, realizes the Uniform Illumination of 360 ° of annulus.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of compact panoramic exposure device of the present invention；
The structural schematic diagram of Fig. 2 panoramic exposure lens and light source of the present invention；
Fig. 3 is the annulus irradiation area schematic diagram of optical system of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of compact panoramic exposure device of the invention, including lampshade 1, panoramic exposure lens 2, lens
Support 3, circuit board 5, light source 6 and heat dissipation base 9 are equipped with lens mount 3 on heat dissipation base 9, are fixed on lens mount 3 complete
Scape illumination lens 2, light source 6 are installed on circuit board 5, and circuit board 5 is installed on heat dissipation base 9, and light source 6 is made to be placed in panorama photograph
Penetrate immediately below lens 2, lampshade 1 compresses panoramic exposure lens 2 and is simultaneously fixed on heat dissipation base 9, lampshade 1, panoramic exposure lens 2,
Lens mount 3, circuit board 5, light source 6 are in same optical axis.
Panoramic exposure lens 2 are mounted on lens mount 3, passed sequentially through between lens mount 3 and heat dissipation base 9 focusing every
Circle 7 and the cooperation of 5 lamination of circuit board are coaxial to guarantee, and pass through three centrosymmetric screws 4 for lens mount 3, focusing spacer ring 7
It is fixed on heat dissipation base 9 with circuit board 5；Interval between the thickness control panoramic exposure lens 2 and light source 6 of focusing spacer ring 7,
Panoramic exposure lens 2 can be fixed on lens mount 3 by lampshade 1 by connecting with 9 screwing 8 of heat dissipation base.
As shown in Fig. 2, panoramic exposure lens 2 include first refractive face 21, the first reflecting surface 22, the second plane of refraction 24 and the
Two reflectings surface 23, first refractive face 21, the first reflecting surface 22, the second plane of refraction 24 and the second reflecting surface 23 be annulus spherical surface or
It is rotationally symmetrical aspherical.
The simple lens structure type that panoramic exposure lens 2 are formed using multiple spherical surfaces and cuff surface, using resin, glass
Material, such as PC and PMMA, panoramic exposure lens 2 are located at the surface of light source 6, and the thickness adjusting of focusing spacer ring 7 is cut by repairing
Angle between upward emergent ray 211 and downwards emergent ray 212, the light source 6 on circuit board 5 issues white light, through panorama
Dispersion angle is compressed on the first refractive surface 21 of illumination lens 2, anti-by the first reflecting surface 22 and second of panoramic exposure lens 2
23 liang of face secondary reflection is penetrated, emergent light is formed, launches finally by the second plane of refraction 24 of panoramic exposure lens.
As shown in figure 3, panorama lighting device is placed on origin position, then illumination region is around the axial 360 ° of ranges of origin
Interior cylindrical region, i.e. α angular zone, can also be divided into α above the horizontal planeupRegion and horizontal plane α belowdownRegion,
It does not need rotation or placement multiple light sources group can be achieved with the Uniform Illumination of peripheral region.
Further, panoramic exposure lens 2 be resin or glass material, using the method one-pass molding of injection molding, directly
DiameterHigh 40mm, spectral transmission range are 400nm~1080nm.
Further, the different surfaces of panoramic exposure lens 2 plate different optical thin films, and antireflective film is plated in first refractive face 21,
First reflecting surface 22 and the second reflecting surface 23 plate reflectance coating, and the second plane of refraction 24 plates anti-reflection film.
Further, lampshade 1 is monolithic high transmittance spherical resin material cover, diameterHigh 50mm, in
Surface is rotationally symmetrical spherical surface or aspherical, is engaged with the first mirror surface of panoramic exposure lens 2, and pass through
Screw 8 is fixed on heat dissipation base 9.
Further, light source 6 is LED light source or other body light sources, issues the white light with certain angle of divergence.
Further, lens mount 3 is supported in 2 lower section of panoramic exposure lens, and the second reflection with panoramic exposure lens 2
Face surface is engaged.
Further, circuit board 5 is the thermal conductive ceramic substrate as made of ceramic post sintering, is installed on heat dissipation base 9, circuit
Focusing spacer ring 7 is provided between plate 5 and lens mount, focusing spacer ring 7 is annular flake structural member, repairs the thickness for cutting focusing spacer ring 7
Degree adjusts the optical interval of panoramic exposure lens 2 and light source 6, realizes focusing.
Further, focusing spacer ring 7 and the same optical axis of 5 lamination of circuit board are passed sequentially through between lens mount 3 and heat dissipation base 9
Cooperation, and be fixed on heat dissipation base 9 by three centrosymmetric screws 4.
Further, heat dissipation base 9 is the aluminium heat sink of circle distribution radiating fin, and contact surface is mentioned using heat-conducting silicone grease
High thermal conductivity.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of compact panoramic exposure device, which is characterized in that including lampshade, panoramic exposure lens, lens mount, circuit
Plate, light source and heat dissipation base；
The lens mount is installed on the heat dissipation base, the panoramic exposure lens are fixed on the lens mount；The electricity
Road plate is mounted on the heat dissipation base, and the light source is mounted on the circuit board, and to be placed in the panoramic exposure saturating for light source
Immediately below mirror, the lampshade is located at the panoramic exposure outer and is fixed on the heat dissipation base, the lampshade, complete
Scape illumination lens, lens mount, circuit board, light source are in same optical axis；
The panoramic exposure lens include first refractive face, the first reflecting surface, the second plane of refraction and the second reflecting surface, and described first
Plane of refraction, the first reflecting surface, the second plane of refraction and the second reflecting surface are the spherical surface or rotationally symmetrical aspherical of annulus, the light source
Issue white light, through the first refractive surface compression dispersion angle, after by first reflecting surface and the second reflecting surface two
Secondary reflection forms emergent light, launches finally by second plane of refraction.
2. compact panoramic exposure device according to claim 1, which is characterized in that the light source is LED light source, is issued
White light with certain angle of divergence.
3. compact panoramic exposure device according to claim 1, which is characterized in that the panoramic exposure lens are to pass through
Lens made of one-time formed resin or glass material, spectral transmission range are 400nm~1080nm.
4. compact panoramic exposure device according to claim 1, which is characterized in that plate anti-reflection in the first refractive face
Film, first reflecting surface and second reflecting surface plate reflectance coating, and second plane of refraction plates anti-reflection film.
5. compact panoramic exposure device according to claim 1, which is characterized in that the lampshade is monolithic high transparency
The cover of spherical resin material is rotationally symmetrical spherical surface or aspherical above inner surface, and with the panoramic exposure lens
First mirror surface is engaged.
6. compact panoramic exposure device according to claim 1, which is characterized in that the lens mount and the panorama
Second mirror surface of illumination lens is engaged.
7. compact panoramic exposure device according to claim 1, which is characterized in that the circuit board is by ceramic post sintering
Made of thermal conductive ceramic substrate, focusing spacer ring is provided between the circuit board and the lens mount.
8. compact panoramic exposure device according to claim 7, which is characterized in that the lens mount and the heat dissipation
It passes sequentially through the focusing spacer ring and the circuit board laminate between pedestal to cooperate with optical axis, and by three centrosymmetric screws
It is fixed on the heat dissipation base.
9. compact panoramic exposure device according to claim 1, which is characterized in that the heat dissipation base is circle distribution
The aluminium heat sink of radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037371.XA CN109578825A (en) | 2019-01-15 | 2019-01-15 | Compact panoramic exposure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037371.XA CN109578825A (en) | 2019-01-15 | 2019-01-15 | Compact panoramic exposure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578825A true CN109578825A (en) | 2019-04-05 |
Family
ID=65915150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037371.XA Pending CN109578825A (en) | 2019-01-15 | 2019-01-15 | Compact panoramic exposure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578825A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099045A1 (en) * | 2001-11-29 | 2003-05-29 | Tadashi Doi | Panoramic imaging lens |
| US20040252384A1 (en) * | 2003-06-12 | 2004-12-16 | Wallerstein Edward P. | Panoramic imaging system |
| US20060152819A1 (en) * | 2002-11-04 | 2006-07-13 | Ehud Gal | Omni-directional imaging and illumination assembly |
| CN102062349A (en) * | 2010-09-07 | 2011-05-18 | 上海三思电子工程有限公司 | Side-light panoramic lens for LED |
| CN103511977A (en) * | 2012-06-19 | 2014-01-15 | 欧司朗股份有限公司 | Lens and omni-directional lighting device and modified lamp provided with lens |
| CN105333318A (en) * | 2015-12-01 | 2016-02-17 | 漳州立达信光电子科技有限公司 | Light emitting diode (LED) lighting device with large angles |
| CN106908936A (en) * | 2015-12-22 | 2017-06-30 | 博立码杰通讯(深圳)有限公司 | A kind of panoramic optical camera lens and image acquisition device |
| CN209370884U (en) * | 2019-01-15 | 2019-09-10 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | A kind of compact panoramic exposure device |
-
2019
- 2019-01-15 CN CN201910037371.XA patent/CN109578825A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099045A1 (en) * | 2001-11-29 | 2003-05-29 | Tadashi Doi | Panoramic imaging lens |
| US20060152819A1 (en) * | 2002-11-04 | 2006-07-13 | Ehud Gal | Omni-directional imaging and illumination assembly |
| US20040252384A1 (en) * | 2003-06-12 | 2004-12-16 | Wallerstein Edward P. | Panoramic imaging system |
| CN102062349A (en) * | 2010-09-07 | 2011-05-18 | 上海三思电子工程有限公司 | Side-light panoramic lens for LED |
| CN103511977A (en) * | 2012-06-19 | 2014-01-15 | 欧司朗股份有限公司 | Lens and omni-directional lighting device and modified lamp provided with lens |
| CN105333318A (en) * | 2015-12-01 | 2016-02-17 | 漳州立达信光电子科技有限公司 | Light emitting diode (LED) lighting device with large angles |
| CN106908936A (en) * | 2015-12-22 | 2017-06-30 | 博立码杰通讯(深圳)有限公司 | A kind of panoramic optical camera lens and image acquisition device |
| CN209370884U (en) * | 2019-01-15 | 2019-09-10 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | A kind of compact panoramic exposure device |
Non-Patent Citations (1)
| Title |
|---|
| 姚远 等: "水平对称视场全景环带成像***设计", 《光学与光电技术》, vol. 14, no. 2, 30 April 2016 (2016-04-30) * |
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