CN202302903U - Parallel lighting device - Google Patents
Parallel lighting device Download PDFInfo
- Publication number
- CN202302903U CN202302903U CN2011204163368U CN201120416336U CN202302903U CN 202302903 U CN202302903 U CN 202302903U CN 2011204163368 U CN2011204163368 U CN 2011204163368U CN 201120416336 U CN201120416336 U CN 201120416336U CN 202302903 U CN202302903 U CN 202302903U
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- lighting device
- shell
- parallel lighting
- inner chamber
- light source
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Abstract
The utility model discloses a parallel lighting device which comprises a housing, wherein the housing is provided with an inner cavity. The parallel lighting device also comprises a light source, a scattering plate and a Fresnel lens, wherein the light source is arranged behind the scattering plate, and the Fresnel lens is arranged in front of the scattering plate and is fixed in the inner cavity of the housing. By using matching of the light source, the scattering plate and the Fresnel lens, the parallel lighting device has the advantages of large visual field, good uniformity of emitted light rays, low cost, clear edges of an irradiated object, easy focusing, good stability and better light-emitting effect.
Description
Technical field
The utility model relates to the lighting device technical field, relates in particular to a kind of parallel lighting device.
Background technology
Contour of object is detected and measures, generally all can select the back lighting mode for use, current a lot of backlights are diffused light, and when fillet or the capture of fillet object are arranged, apprehensive phenomenon appears in edge easily.In order to overcome this problem, can use source of parallel light.The parallel lighting device of prior art comprises shell, and shell is provided with inner chamber; The rear end of inner chamber is provided with spot light, and spot light is specially light emitting diode, and the front end of inner chamber is provided with convex lens; Can know from the convex lens principle, spot light is placed its focus, then irradiate directional light from convex lens.Prior art utilizes light emitting diode to cooperate with convex lens, but the radial light that light emitting diode sends is often inhomogeneous, causes whole light intensity skewness, and the light uniformity that final parallel lighting device penetrates is bad; When the visual field was bigger, the light homogeneity question was more outstanding; And prior art focusing more complicated, poor stability has deviation slightly, and going out light effect will have a greatly reduced quality.
Summary of the invention
The utility model provides a kind of light good uniformity of ejaculation, the parallel lighting device of good stability.
A kind of parallel lighting device comprises shell, and shell is provided with inner chamber; Parallel lighting device also comprises light source, scatter plate, Fresnel Lenses; Light source is positioned at the rear of scatter plate, and Fresnel Lenses is positioned at the place ahead of scatter plate, and Fresnel Lenses is fixed in the inner chamber of shell.
Wherein, parallel lighting device also comprises radiator, and the front portion of radiator is connected with the rear portion of shell, and the middle part of the front end face of radiator offers storage tank, and light source is fixed in the bottom land of storage tank.
Wherein, scatter plate is arranged at the surface of the front end face of radiator, and scatter plate is positioned at the dead ahead of light source.
Wherein, scatter plate is arranged at the inside of storage tank, be provided with between the front end face of scatter plate and radiator the back narrow before wide horn opening.
Wherein, light source is a light emitting diode.
Wherein, the inner chamber of shell is cylindrical.
Wherein, the excircle of shell is provided with the cover access slot.
Wherein, the front end of shell is provided with coaxial device, and coaxial device is provided with spectroscope, and the light direction of spectroscope and Fresnel Lenses is miter angle.
Wherein, parallel lighting device also comprises anti-reflection mirror, and Fresnel Lenses is fixed in the middle part of the inner chamber of shell, and anti-reflection mirror is fixed in the front opening place of the inner chamber of shell.
Wherein, parallel lighting device also comprises dustproof sheet, and Fresnel Lenses is fixed in the front portion of the inner chamber of shell, and dustproof sheet is fixed in the front opening place of the inner chamber of shell.
The utility model beneficial effect: a kind of parallel lighting device; Comprise shell; Shell is provided with inner chamber, and parallel lighting device also comprises light source, scatter plate, Fresnel Lenses, and light source is positioned at the rear of scatter plate; Fresnel Lenses is positioned at the place ahead of scatter plate, and Fresnel Lenses is fixed in the inner chamber of shell.The utility model utilizes light source, scatter plate, Fresnel Lenses to cooperate, and can solve the whole light intensity problem of uneven distribution of prior art, and it penetrates the light good uniformity; The visual field is big, and is with low cost, and the object edge of irradiation is clear; And focusing is easily, good stability, and it is better to go out light effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the decomposing schematic representation of Fig. 1.
Fig. 3 is the profile of the utility model embodiment 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Fig. 5 is the decomposing schematic representation of Fig. 4.
Fig. 6 is the profile of the utility model embodiment 2.
Fig. 7 is the structural representation of the coaxial device of the utility model.
Fig. 1 to Fig. 7 comprises:
The 10--shell
The 11--light source
The 12--scatter plate
The 13--Fresnel Lenses
The 14--radiator
The 15--horn opening
16--overlaps access slot
The anti-reflection mirror of 17--
The 18--dustproof sheet
The 19--spectroscope
The 20--anti-reflective glass
21--extinction plate
The 22--fixed head.
The specific embodiment
Embodiment 1.
Referring to Fig. 1 to Fig. 3, Fig. 7.The parallel lighting device of present embodiment; Comprise shell 10; Shell 10 is provided with inner chamber, and parallel lighting device also comprises light source 11, scatter plate 12, Fresnel Lenses 13, and light source 11 is positioned at the rear of scatter plate 12; Fresnel Lenses 13 is positioned at the place ahead of scatter plate 12, and Fresnel Lenses 13 is fixed in the inner chamber of shell 10.Here, be " preceding " orientation with light direction.
Fresnel Lenses 13 (Fresnel lens) great majority are pressed the thin slice that forms for being annotated by polyolefine material, and it also can be by the glass manufacturing; Sheet surface simultaneously is the light face, the concentric circles that the another side imprinting is ascending.Fresnel Lenses 13 many times is being equivalent to the convex lens of infrared ray and visible light, and effect is better, but cost is more much lower than common convex lens.The concrete structure of Fresnel Lenses 13 and principle are prior art, no longer give unnecessary details at this.
The utility model utilizes light source 11, scatter plate 12, Fresnel Lenses 13 to cooperate; The light that light source 11 sends shines scatter plate 12 earlier; Light forms uniform radial light through behind the scatter plate 12, and uniform radial irradiate light is to Fresnel Lenses 13; According to convex lens principle adjustment position, can form source of parallel light 11; The utility model can solve the whole light intensity problem of uneven distribution of prior art, and it penetrates the light good uniformity, and the visual field is big, and is with low cost, and the object edge of irradiation is clear, and focusing is easily, good stability, and it is better to go out light effect.
In the present embodiment; Parallel lighting device also comprises radiator 14; The front portion of radiator 14 is connected with the rear portion of shell 10, and the middle part of the front end face of radiator 14 offers storage tank, and light source 11 is fixed in the bottom land of storage tank; Scatter plate 12 is arranged at the surface of the front end face of radiator 14, and scatter plate 12 is positioned at the dead ahead of light source 11.The heat that light source 11 produces can outwards be dispersed through radiator 14.This structure is easy to assembly, good heat dissipation effect.
Need to prove; Except that above-mentioned mode through radiator 14 fixed light sources 11 and scatter plate 12; The utility model also can be provided for the fixed structure of fixed light source 11 and scatter plate 12 in the rear end of the inner chamber of shell 10, then light source 11 is connected with radiator 14.
In the present embodiment, light source 11 is light emitting diode (LED), and the quantity of LED is not limit, and also can be led chip certainly.
The inner chamber of shell 10 is cylindrical, and the light that the utility model sends is for circular.The excircle of shell 10 is provided with cover access slot 16, and cover access slot 16 is used for other external equipment of socket.
The front end of shell 10 is provided with coaxial device, and coaxial device is provided with spectroscope 19, and spectroscope 19 is miter angle with the light direction of Fresnel Lenses 13.The light that comes out from Fresnel Lenses 13 irradiation through spectroscope 19 reflections after, the variation of 90 degree takes place in light, this light can be applicable to the detection of smooth reflecting surface defective.Spectroscope 19 can be divided into transmission and reflection two parts with light.Coaxial device can be fixed in the front end of shell 10 through fixed head 22.
Coaxial device also comprises anti-reflective glass 20 and extinction plate 21; Extinction plate 21 is parallel with Fresnel Lenses 13; One end of anti-reflective glass 20 is connected with an end of extinction plate 21, and the other end of anti-reflective glass 20 is connected with a spectroscopical end, and the other end of extinction plate 21 is connected with spectroscopical other end.Anti-reflective glass 20 is used to reduce reflective, increases light transmittance, and upper surface can prevent dust, and prevents that dust from dropping on the spectroscope.Extinction plate 21 is used to absorb that Fresnel Lenses 13 sends passes through the light behind the spectroscope, strengthens result of use.
In the present embodiment, parallel lighting device also comprises anti-reflection mirror 17, and Fresnel Lenses 13 is fixed in the middle part of the inner chamber of shell 10, and anti-reflection mirror 17 is fixed in the front opening place of the inner chamber of shell 10.The inner chamber of the shell 10 between scatter plate 12 and the Fresnel Lenses 13 forms rearmounted snoot; Rearmounted snoot can absorb ghost line; The inner chamber of the shell 10 between the front opening of Fresnel Lenses 13 and inner chamber forms preposition snoot, and preposition snoot can absorb ghost line, adopts the structure of former and later two diaphragms; Radiation direction property is better, light effect thereby improve.
Embodiment 2.
Referring to Fig. 4 to Fig. 6.The difference of present embodiment and embodiment 1 is that scatter plate 12 is arranged at the inside of storage tank, be provided with between the front end face of scatter plate 12 and radiator 14 back narrow before wide horn opening 15; Parallel lighting device also comprises dustproof sheet 18, and Fresnel Lenses 13 is fixed in the front portion of the inner chamber of shell 10, and dustproof sheet 18 is fixed in the front opening place of the inner chamber of shell 10.Dustproof sheet 18 is replaceable to be anti-reflection mirror 17.Horn opening 15 forms snoot, can improve radiation direction property, light effect thereby improve.
Other structure of present embodiment is identical with embodiment 1, no longer gives unnecessary details at this.
Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, this description should not be construed as the restriction to the utility model.
Claims (10)
1. a parallel lighting device comprises shell, and shell is provided with inner chamber; It is characterized in that: said parallel lighting device also comprises light source, scatter plate, Fresnel Lenses; Light source is positioned at the rear of scatter plate, and Fresnel Lenses is positioned at the place ahead of scatter plate, and Fresnel Lenses is fixed in the inner chamber of shell.
2. a kind of parallel lighting device according to claim 1; It is characterized in that: said parallel lighting device also comprises radiator; The front portion of radiator is connected with the rear portion of said shell, and the middle part of the front end face of radiator offers storage tank, and said light source is fixed in the bottom land of storage tank.
3. a kind of parallel lighting device according to claim 2, it is characterized in that: said scatter plate is arranged at the surface of the front end face of radiator, and scatter plate is positioned at the dead ahead of light source.
4. a kind of parallel lighting device according to claim 2, it is characterized in that: said scatter plate is arranged at the inside of said storage tank, be provided with between the front end face of scatter plate and said radiator the back narrow before wide horn opening.
5. a kind of parallel lighting device according to claim 1 is characterized in that: said light source is a light emitting diode.
6. a kind of parallel lighting device according to claim 1, it is characterized in that: the inner chamber of said shell is cylindrical.
7. a kind of parallel lighting device according to claim 1, it is characterized in that: the excircle of said shell is provided with the cover access slot.
8. a kind of parallel lighting device according to claim 1, it is characterized in that: the front end of said shell is provided with coaxial device, and coaxial device is provided with spectroscope, and the light direction of spectroscope and said Fresnel Lenses is miter angle.
9. according to any described a kind of parallel lighting device of claim 1 to 8; It is characterized in that: said parallel lighting device also comprises anti-reflection mirror; Said Fresnel Lenses is fixed in the middle part of the inner chamber of said shell, and anti-reflection mirror is fixed in the front opening place of the inner chamber of shell.
10. according to any described a kind of parallel lighting device of claim 1 to 8; It is characterized in that: said parallel lighting device also comprises dustproof sheet; Said Fresnel Lenses is fixed in the front portion of the inner chamber of said shell, and dustproof sheet is fixed in the front opening place of the inner chamber of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204163368U CN202302903U (en) | 2011-10-27 | 2011-10-27 | Parallel lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204163368U CN202302903U (en) | 2011-10-27 | 2011-10-27 | Parallel lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302903U true CN202302903U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204163368U Expired - Lifetime CN202302903U (en) | 2011-10-27 | 2011-10-27 | Parallel lighting device |
Country Status (1)
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| CN (1) | CN202302903U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865550A (en) * | 2012-09-14 | 2013-01-09 | 上海创波光电科技有限公司 | Fresnel lens parallel light source, detection device of Fresnel lens parallel light source, and use method of detection device |
| CN103697389A (en) * | 2013-12-29 | 2014-04-02 | 哈尔滨固泰电子有限责任公司 | Variable-color-temperature automobile lamp |
| CN105589227A (en) * | 2016-02-16 | 2016-05-18 | 凌云光技术集团有限责任公司 | Detecting method for concave-convex points on surface of liquid crystal display and light source device |
| CN109555990A (en) * | 2018-12-26 | 2019-04-02 | 昆明凯航光电科技有限公司 | Broadband homogenizes light source |
| CN110057753A (en) * | 2019-05-17 | 2019-07-26 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
| CN110068534A (en) * | 2019-05-17 | 2019-07-30 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
| CN115606433A (en) * | 2022-11-18 | 2023-01-17 | 成都工业学院 | Stem of noble dendrobium planting device |
-
2011
- 2011-10-27 CN CN2011204163368U patent/CN202302903U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865550A (en) * | 2012-09-14 | 2013-01-09 | 上海创波光电科技有限公司 | Fresnel lens parallel light source, detection device of Fresnel lens parallel light source, and use method of detection device |
| CN103697389A (en) * | 2013-12-29 | 2014-04-02 | 哈尔滨固泰电子有限责任公司 | Variable-color-temperature automobile lamp |
| CN105589227A (en) * | 2016-02-16 | 2016-05-18 | 凌云光技术集团有限责任公司 | Detecting method for concave-convex points on surface of liquid crystal display and light source device |
| CN105589227B (en) * | 2016-02-16 | 2019-10-15 | 凌云光技术集团有限责任公司 | Detection method and light supply apparatus for liquid crystal display concave-convex surface point |
| CN109555990A (en) * | 2018-12-26 | 2019-04-02 | 昆明凯航光电科技有限公司 | Broadband homogenizes light source |
| CN110057753A (en) * | 2019-05-17 | 2019-07-26 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
| CN110068534A (en) * | 2019-05-17 | 2019-07-30 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
| CN115606433A (en) * | 2022-11-18 | 2023-01-17 | 成都工业学院 | Stem of noble dendrobium planting device |
| CN115606433B (en) * | 2022-11-18 | 2023-09-15 | 成都工业学院 | Dendrobium nobile cultivation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523841 No. 8 Jinsheng Road, Henan Industrial Zone, Jinxia Community, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong aopute Polytron Technologies Inc Address before: 523000 Dongguan Chang'an Town 358 Provincial Road Wusha Section Yifeng Commercial Building 4F Dongguan Opt Automation Technology Co., Ltd. Patentee before: Dongguan OPT Machine Vision Tech Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |