CN201555106U - Special light source for large area vision detection - Google Patents
Special light source for large area vision detection Download PDFInfo
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- CN201555106U CN201555106U CN2009202131223U CN200920213122U CN201555106U CN 201555106 U CN201555106 U CN 201555106U CN 2009202131223 U CN2009202131223 U CN 2009202131223U CN 200920213122 U CN200920213122 U CN 200920213122U CN 201555106 U CN201555106 U CN 201555106U
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- light source
- lampshade
- vision detection
- special light
- large area
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Abstract
The utility model relates to a special light source for large area detection, aiming at providing the vision detection light source with good illumination effect and large-area uniform illumination so as to meet the changing requirement of the fast developing machine vision detection industry on the vision detection light source. The special light source for large area vision detection comprises a lampshade and light sources, wherein a camera lens hole is arranged in the lampshade in which a conical cannular shielding cover is arranged, a scatter plate made of an oyster white acrylic sheet is arranged on the bottom, the light sources are LED combined light sources and respectively arranged at four corners in a top wall of the lampshade, and heat dissipation holes are respectively arranged in the four walls and the top wall of the lampshade. The special light source for large area vision detection can provide the good and stable special light source for a machine vision detection system and can endue the machine vision detection system with considerably uniform and optimal image effect, thereby greatly improving the detection accuracy of the system and reducing the misjudgment ratio of equipment; and besides, the special light source for large area vision detection has reasonable design, simple structure and easy manufacturing and processing, saves 70 percent of energies in comparison with the like products and is a powerful tool for analyzing machine vision images.
Description
Technical field
The present invention relates to a kind of lighting device, particularly relate to a kind of Machine Vision Detection light source.
Background technology
The Machine Vision Detection system is the system that detects at product appearance, system's accuracy of detection height, and detection speed is fast, and the equipment False Rate is low, and quality control is stable.At the Machine Vision Detection industry that develops rapidly, to the also constantly variation of demand of test light source.On the market light source of main flow have backlight, strip light, ring light, bowl-shape lamp etc., they are confined to the illumination to small size (in 100mm * 100mm) product.Still there is not large-sized light source in the market to satisfy the needs of Machine Vision Detection, basic reason is that the large scale light source is difficult to guarantee the uniformity of illumination intensity of light source, be difficult to solve diagonal angle irradiation shadow problem, can not the uniform irradiation object surfaces, the middle often bright periphery of the photo of taking is dark, is unfavorable for graphical analysis; And large scale light source heat radiation difficulty, and be difficult on the equipment of being installed on.
Summary of the invention
The technical problem that the present invention solves provides a kind of small-scale light sources of utilizing, and the vision-based detection light source of the large tracts of land uniform irradiation of good illumination effect is provided, to satisfy the needs that detect the large tracts of land product.
In order to solve the problems of the technologies described above, a kind of large tracts of land vision-based detection special light source that the utility model adopts comprises lampshade and light source, and described lampshade is provided with the camera lens hole, and described light source is by placing four combination of light sources on the lampshade roof interior angle to form respectively.
As a further improvement on the present invention, below described camera lens hole, be provided with the shading shroud, described bat shading shroud is connected with described camera lens hole, and tapered cylindric; Described four groups of light sources are four LED lamp bars, form four strip sources; Be equipped with louvre on described lampshade wall and the roof.
As further improvement of the utility model, be provided with scatter plate in the bottom surface of described lampshade, shading shroud outer ring and scatter plate are sealed and matched.
The utility model utilizes a plurality of LED strip sources to shine according to specific arrangement mode downwards, produces refraction through scatter plate again, and light evenly spreads, and impinges upon on the bigger product of area, improves imaging definition; Isolate the light that scatter plate reflexes to camera lens by the shading shroud simultaneously, for subject provides good light source.Camera lens is from taper drum top like this, obtains the light that the object product of even polishing reflects back, and reduces light loss, is convenient to graphical analysis.
Technique scheme is done further to improve, described scatter plate adopts the milky acrylic board, it carries out scattering with the light that strip source sends, having remedied the central area does not have light source to shine directly into and the defective of deepening, can make its illumination more even like this, disperse extensivelyr, astigmatic effect is better.
The utility model is simple in structure, and manufacturing process is simple, the convenient manufacturing and use.
Description of drawings
Fig. 1 is a stereogram of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a vertical view of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the utility model is further described in detail.
As Fig. 1, Fig. 2, shown in Figure 3: large tracts of land vision-based detection special light source of the present utility model, it comprises lampshade 1 and light source 2, described lampshade 1 is provided with camera lens hole 11, and described light source 2 is by placing four groups of led light sources on the lampshade 1 roof interior angle to combine respectively.
The bottom surface of described lampshade 1 is provided with scatter plate 14, and shading shroud 12 outer rings 121 are sealed and matched with scatter plate 14; Described reflecting plate 14 adopts milky acrylic board material to make;
The scatter plate 14 of described employing acrylic board carries out scattering with the light that light source 2 sends, light with direct projection, disperse wider after the acrylic board scattering of the scatter plate 14 of process lampshade 1 bottom, because light source 2 is arranged on four angles of lampshade 1, zone line exist LED strip source irradiation less than the zone, then some shines zone line to the light of all directions in scattering through acrylic material, and having remedied the central area does not have the light source direct irradiation and the defective of deepening.Light source 2 draws back to both sides, the bright effect that eclipsing effects that purpose is to keep left and right sides light source to scatter to mid portion as much as possible and both sides are disturbed by the opposite side light source hardly.
Because catoptrical existence makes the image that obtains present the vaporific effect of one deck, presents columned characteristics in conjunction with industrial lens, below described camera lens hole 11, is provided with the scope cover 12 of taking pictures.Described shading shroud 12 closely links to each other with camera lens hole 11, and tapered cylindric.The subject in shading shroud 12 that is arranged so that of the shading shroud 12 of this kind structure fully exposes to the open air under camera lens, described shading shroud 12, the light that can block led light source and be reflected by lampshade 1 bottom acrylic material plate is all isolated reverberation.Because the object distance and the visual field are linear in certain zone, can obtain best image effect, therefore can provide good lighting source for reference object, camera lens is down taken the image that just can obtain the product of even polishing from shading shroud 12 tops, further got rid of the influence of reverberation to subject, the image that makes shooting come out is more accurate; Eliminated dead angle, dark angle, the image that feasible shooting is come out is true and accurate more.
Be equipped with louvre 13 on described lampshade 1 wall and the roof.We know, to obtain stable light quantity from LED and just must guarantee that LED places the environment of relative constant temperature, therefore the wall and the roof of the utility model lampshade 1 are provided with many louvres 13, be used for discharging the heat that LED lamp bar produces under the situation of work, under the condition of a relative constant temperature, work the stability and the quality of assurance illumination to guarantee LED lamp bar.
Large tracts of land vision-based detection special light source of the present utility model is furnished with peace according to hole 4 on its lampshade, be used to be installed in the equipment that it matches, and cooperates to reach with visual detection equipment is the most rational.
In sum, the utility model can provide good, stable special light source for the Machine Vision Detection system, makes it obtain very uniform, best image effect, and more system's accuracy of detection is improved on the highland, reduces the equipment False Rate; And reasonable in design, simple in structure, make handling ease, durable, than like product energy savings 70%, be the strong instrument of large tracts of land product machine vision graphical analysis.
Claims (6)
1. a large tracts of land detects special light source, comprises lampshade (1) and light source (2), and described lampshade is provided with camera lens hole (11), it is characterized in that: described light source (2) is by placing four combination of light sources on lampshade (1) the roof interior angle to form respectively.
2. large tracts of land according to claim 1 detects special light source, it is characterized in that: in below, described camera lens hole (11), be provided with shading shroud (12), the described shading shroud (12) that is provided with is connected with camera lens hole (11), and tapered cylindric.
3. large tracts of land according to claim 1 detects special light source, and it is characterized in that: described four light sources (2) are four groups of LED lamp bars.
4. large tracts of land according to claim 1 detects special light source, it is characterized in that: be equipped with louvre (13) on described lampshade (1) wall and the roof.
5. detect special light source according to claim 1,2,3 or 4 described large tracts of land, it is characterized in that: the bottom surface of described lampshade (1) is provided with scatter plate (14), and shading shroud (12) outer ring (121) is sealed and matched with scatter plate (14).
6. large tracts of land according to claim 5 detects special light source, and it is characterized in that: described scatter plate (14) is the milky acrylic board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131223U CN201555106U (en) | 2009-12-15 | 2009-12-15 | Special light source for large area vision detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131223U CN201555106U (en) | 2009-12-15 | 2009-12-15 | Special light source for large area vision detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555106U true CN201555106U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202131223U Expired - Fee Related CN201555106U (en) | 2009-12-15 | 2009-12-15 | Special light source for large area vision detection |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305796A (en) * | 2011-08-30 | 2012-01-04 | 成都四星液压制造有限公司 | Adjustable uniformly-imaged light source device for magnetic shoe detection |
| CN102322593A (en) * | 2011-08-30 | 2012-01-18 | 成都四星液压制造有限公司 | Self-adaptive light source device and control method thereof |
| CN102715981A (en) * | 2012-06-29 | 2012-10-10 | 深圳普门科技有限公司 | Annular light spot obtaining device for light therapy equipment, glaucoma treatment device and method for controlling annular light spots in annular light spot obtaining device |
| CN102818195A (en) * | 2012-08-22 | 2012-12-12 | 电子科技大学 | High uniformity, high power and high light LED (Light Emitting Diode) light source applied to visual inspection |
| CN105847640A (en) * | 2016-03-18 | 2016-08-10 | 上海众思电子设备有限公司 | Light source for multi-linear CCD camera |
| CN106323883A (en) * | 2016-10-31 | 2017-01-11 | 上海电机学院 | Machine vision LED illuminating apparatus for color discrimination |
| CN106483081A (en) * | 2016-10-28 | 2017-03-08 | 上海电机学院 | A kind of polycrystalline silicon solar cell piece surface color image collecting device |
| CN106970084A (en) * | 2017-04-12 | 2017-07-21 | 东莞市吉洋自动化科技有限公司 | A kind of structure and its detection method of online visual inspection machine |
| CN107837070A (en) * | 2017-09-30 | 2018-03-27 | 精诚工坊电子集成技术（北京）有限公司 | Portable skin detector with big shooting area |
| CN108286673A (en) * | 2017-01-09 | 2018-07-17 | 河北科技大学 | A kind of light source for automotive hub mounting hole vision measurement |
| CN109444156A (en) * | 2018-12-24 | 2019-03-08 | 江苏善果缘智能科技有限公司 | A kind of image capturing system for textile defect detection |
| CN109596628A (en) * | 2018-12-24 | 2019-04-09 | 江苏善果缘智能科技有限公司 | A kind of construction method for textile defect detection image capture environment |
-
2009
- 2009-12-15 CN CN2009202131223U patent/CN201555106U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322593A (en) * | 2011-08-30 | 2012-01-18 | 成都四星液压制造有限公司 | Self-adaptive light source device and control method thereof |
| CN102305796A (en) * | 2011-08-30 | 2012-01-04 | 成都四星液压制造有限公司 | Adjustable uniformly-imaged light source device for magnetic shoe detection |
| CN102715981A (en) * | 2012-06-29 | 2012-10-10 | 深圳普门科技有限公司 | Annular light spot obtaining device for light therapy equipment, glaucoma treatment device and method for controlling annular light spots in annular light spot obtaining device |
| CN102715981B (en) * | 2012-06-29 | 2014-08-20 | 深圳普门科技有限公司 | Annular light spot obtaining device for light therapy equipment, glaucoma treatment device and method for controlling annular light spots in annular light spot obtaining device |
| CN102818195A (en) * | 2012-08-22 | 2012-12-12 | 电子科技大学 | High uniformity, high power and high light LED (Light Emitting Diode) light source applied to visual inspection |
| CN105847640A (en) * | 2016-03-18 | 2016-08-10 | 上海众思电子设备有限公司 | Light source for multi-linear CCD camera |
| CN106483081A (en) * | 2016-10-28 | 2017-03-08 | 上海电机学院 | A kind of polycrystalline silicon solar cell piece surface color image collecting device |
| CN106323883A (en) * | 2016-10-31 | 2017-01-11 | 上海电机学院 | Machine vision LED illuminating apparatus for color discrimination |
| CN108286673A (en) * | 2017-01-09 | 2018-07-17 | 河北科技大学 | A kind of light source for automotive hub mounting hole vision measurement |
| CN108286673B (en) * | 2017-01-09 | 2019-09-17 | 河北科技大学 | A kind of light source for automotive hub mounting hole vision measurement |
| CN106970084A (en) * | 2017-04-12 | 2017-07-21 | 东莞市吉洋自动化科技有限公司 | A kind of structure and its detection method of online visual inspection machine |
| CN107837070A (en) * | 2017-09-30 | 2018-03-27 | 精诚工坊电子集成技术（北京）有限公司 | Portable skin detector with big shooting area |
| CN109444156A (en) * | 2018-12-24 | 2019-03-08 | 江苏善果缘智能科技有限公司 | A kind of image capturing system for textile defect detection |
| CN109596628A (en) * | 2018-12-24 | 2019-04-09 | 江苏善果缘智能科技有限公司 | A kind of construction method for textile defect detection image capture environment |
| CN109596628B (en) * | 2018-12-24 | 2021-06-04 | 江苏善果缘智能科技有限公司 | Construction method for textile defect detection image acquisition environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI GOJOY AUTOMATION SYSTEM CO., LTD. Free format text: FORMER OWNER: FANG XIANGYANG Effective date: 20101227 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310007 ROOM 902, BUILDING 11, WENJINYUAN, XIHU DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 200081 NO.71, ZONE 2, NO.2585, HUYI HIGHWAY, MALU TOWN, JIADING DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101227 Address after: Jiading District Malu town Shanghai city 200081 Huyi Road No. 2585 two District No. 71 Patentee after: Shanghai Gojoy Automation System Co,. Ltd. Address before: Hangzhou City, Zhejiang province Xihu District 310007 yuan building 11 room 902 Wenjin Patentee before: Fang Xiangyang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20131215 |