CN103423645A - LED (Light-Emitting Diode) annular light source with improved structure - Google Patents
LED (Light-Emitting Diode) annular light source with improved structure Download PDFInfo
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- CN103423645A CN103423645A CN2013103701827A CN201310370182A CN103423645A CN 103423645 A CN103423645 A CN 103423645A CN 2013103701827 A CN2013103701827 A CN 2013103701827A CN 201310370182 A CN201310370182 A CN 201310370182A CN 103423645 A CN103423645 A CN 103423645A
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- collector lens
- light source
- radiating substrate
- inner flange
- condensing lens
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- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000009792 diffusion process Methods 0.000 claims abstract description 9
- 230000001678 irradiating effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
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Abstract
The invention discloses an LED (Light-Emitting Diode) annular light source with an improved structure. The LED annular light source comprises an annular radiating substrate, a primary condensing lens bracket and a plurality of light angle refraction lenses, wherein a plurality of high-power LED luminous elements are uniformly distributed on the annular radiating substrate; the primary condensing lens bracket is provided with a plurality of condensing lens; the annular radiating substrate is pressed on a condensing lens support inner flange of the primary condensing lens bracket via a cover connected with the condensing lens bracket; different light angle refraction lenses have different irradiation angles. During use, a light angle refraction lens with a desired refraction angle is selected and is pressed on the condensing lens support inner flange of the primary condensing lens bracket via a diffusion flange connected with the condensing lens support inner flange of the primary condensing lens bracket. Only the light angle refraction lenses with different refraction angles need to be selected according to the irradiation angle of the annular light source, so that a user does not need to purchase LED annular light sources of different irradiation angles, and the use cost of the user is reduced.
Description
Technical field
The present invention relates to Machine Vision Detection and microoptic lighting technical field, refer to especially the structure improved LED annular light source for object curved surface vision-based detection.
Background technology
Current domestic mechanical vision inspection technology is widely used in quality testing.Machine Vision Detection is by the CCD camera system quick obtaining thing one surface characteristics picture to be detected of configuration, and is analyzed through vision system, judges that whether this body surface quality is qualified.For non-smooth curved surface object, for guaranteeing that the CCD camera system obtains the body surface middle part and the edge feature position is clear, the image of uniform gray level, and the vision detection system light source generally adopts the LED annular light source to carry out active illumination.But the irradiating angle of existing LED annular light source has 0 °, 15 °, 30 °, 45 °, 60 °, 75 °, 90 °, so the client need to be equipped with the LED annular light source of seven kinds of irradiating angles, increased user's cost, uses and manages also very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of structure improved LED annular light source that needs the optic angle degree refractor of the different irradiating angles of replacing for the existing existing problem of LED annular light source, can realize the Detection task of the LED annular light source that original irradiating angle is 0 °, 15 °, 30 °, 45 °, 60 °, 75 °, reduce user's use cost.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A kind of structure improved LED annular light source, is characterized in that, comprising:
One circular radiating substrate, uniformly on the bottom surface of described circular radiating substrate be equipped with some high-power LED luminescent parts, and the optical axis of each high-power LED luminescent part is parallel and parallel with the central axis of circular radiating substrate;
A collector lens support, described collector lens support has an endoporus, be provided with a collector lens in described endoporus and support inner flange, support on inner flange and be evenly equipped with some axial lens installing holes at described collector lens, in each lens installing hole, a collector lens is installed, each collector lens is corresponding to a high-power LED luminescent part;
One lid, the collector lens of described lid by securing member and a described collector lens support supports that inner flange is connected and described circular radiating substrate is pressed on the upper flange surface of collector lens support inner flange of a described collector lens support;
Some optic angle degree refractors, different optic angle degree refractors have different irradiating angles;
One diffusion flanged plate, the collector lens of described diffusion flanged plate by securing member and a described collector lens support supports that inner flange is connected and an optic angle degree refractor is pressed on the lower flange face of collector lens support inner flange of a described collector lens support.
In a preferred embodiment of the invention, the outer peripheral face of described lid is an outer conical surface, offer a cannelure passed for the lead-out wire on the circular radiating substrate on the bottom surface of described lid, and offering a wire hole in the outer conical surface of described lid, the lead-out wire on described circular radiating substrate is drawn by wire hole through described cannelure.
In a preferred embodiment of the invention, the refraction angle of described optic angle degree refractor is 0 °～90 °.
In a preferred embodiment of the invention, described optic angle degree refractor is six, and the refraction angle of six optic angle degree refractors is 0 °, 15 °, 30 °, 45 °, 60 ° or 75 °.
In a preferred embodiment of the invention, spaced apartly on the outer peripheral face of described circular radiating substrate holder be provided with some annular grooves.
Owing to having adopted technique scheme, the present invention only need to select the optic angle degree refractor at different refraction angles according to the irradiating angle of annular light source, and the user no longer needs to buy the LED annular light source of different irradiating angles, has reduced user's use cost.
The accompanying drawing explanation
Fig. 1 is exploded perspective view of the present invention.
The specific embodiment
Further describe the present invention below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, a kind of structure improved LED annular light source provided in figure, comprise circular radiating substrate 100, collector lens support 200, cover 300, six optic angle degree refractors 410,420,430,440,450,460 and diffusion flanged plate 500.The refraction angle of optic angle degree refractor 410 is 0 °, the refraction angle of optic angle degree refractor 420 is 15 °, the refraction angle of optic angle degree refractor 430 is 30 °, the refraction angle of optic angle degree refractor 440 is 45 °, the refraction angle of optic angle degree refractor 450 is 60 °, and the refraction angle of optic angle degree refractor 460 is 75 °.Certainly the refraction angle of optic angle degree refractor is 0 °～90 ° any one angles.
Uniform on the bottom surface of circular radiating substrate 100 some high-power LED luminescent parts 110 are installed, the optical axis of each high-power LED luminescent part 110 is parallel and parallel with the central axis of circular radiating substrate 100;
The collector lenses of lid 300 by screw and a collector lens support 200 support that inner flanges 220 are connected and circular radiating substrate 100 are pressed on the upper flange surface of collector lens support inner flange 220 of a collector lens support 200.The outer peripheral face of lid 300 is an outer conical surface, offer a cannelure 310 passed for the lead-out wire on circular radiating substrate 100 on the bottom surface of lid 300, and offering a wire hole (not shown) in the outer conical surface of lid 300, the lead-out wire on circular radiating substrate 100 is drawn by wire hole through cannelure 310.
During use, irradiating angle as required, for example irradiating angle is 15 °, the optic angle degree refractor 420 that to choose refraction angle be 15 °, the collector lens that it is attached to a collector lens support 200 supports on the lower flange face of inner flange 220, the collector lens that with screw, diffusion flanged plate 500 is fixed on to a collector lens support 200 again supports on inner flange 200, and diffusion flanged plate 500 just is pressed in optic angle degree refractor 420 on the lower flange face of collector lens support inner flange 220 of a collector lens support 200 like this.If need other irradiating angle, dismantle lower diffusion flanged plate 500, the optic angle degree refractor of changing different refraction angles gets final product.
Claims (5)
1. a structure improved LED annular light source, is characterized in that, comprising:
One circular radiating substrate, uniformly on the bottom surface of described circular radiating substrate be equipped with some high-power LED luminescent parts, and the optical axis of each high-power LED luminescent part is parallel and parallel with the central axis of circular radiating substrate;
A collector lens support, described collector lens support has an endoporus, be provided with a collector lens in described endoporus and support inner flange, support on inner flange and be evenly equipped with some axial lens installing holes at described collector lens, in each lens installing hole, a collector lens is installed, each collector lens is corresponding to a high-power LED luminescent part;
One lid, the collector lens of described lid by securing member and a described collector lens support supports that inner flange is connected and described circular radiating substrate is pressed on the upper flange surface of collector lens support inner flange of a described collector lens support;
Some optic angle degree refractors, different optic angle degree refractors have different irradiating angles;
One diffusion flanged plate, the collector lens of described diffusion flanged plate by securing member and a described collector lens support supports that inner flange is connected and an optic angle degree refractor is pressed on the lower flange face of collector lens support inner flange of a described collector lens support.
2. structure improved LED annular light source as claimed in claim 1, it is characterized in that, the outer peripheral face of described lid is an outer conical surface, offer a cannelure passed for the lead-out wire on the circular radiating substrate on the bottom surface of described lid, and offering a wire hole in the outer conical surface of described lid, the lead-out wire on described circular radiating substrate is drawn by wire hole through described cannelure.
3. structure improved LED annular light source as claimed in claim 1, is characterized in that, the refraction angle that described optic angle degree refractor is is 0 °～90 °.
4. structure improved LED annular light source as claimed in claim 1, is characterized in that, described optic angle degree refractor is six, and the refraction angle of six optic angle degree refractors is 0 °, 15 °, 30 °, 45 °, 60 ° or 75 °.
5. structure improved LED annular light source as claimed in claim 1, is characterized in that, spaced apartly on the outer peripheral face of described circular radiating substrate holder is provided with some annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370182.7A CN103423645B (en) | 2013-08-21 | 2013-08-21 | A kind of structure improved LED annular light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370182.7A CN103423645B (en) | 2013-08-21 | 2013-08-21 | A kind of structure improved LED annular light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423645A true CN103423645A (en) | 2013-12-04 |
| CN103423645B CN103423645B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310370182.7A Expired - Fee Related CN103423645B (en) | 2013-08-21 | 2013-08-21 | A kind of structure improved LED annular light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483734A (en) * | 2015-06-26 | 2017-03-08 | 康耐视公司 | Light fixture |
| CN115264459A (en) * | 2022-08-15 | 2022-11-01 | 深圳市梯易易智能科技有限公司 | Multichannel high-brightness annular light source |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201982974U (en) * | 2011-01-31 | 2011-09-21 | 广州中医药大学第一附属医院 | Medical illuminating device |
| CN202303013U (en) * | 2011-10-08 | 2012-07-04 | 宁波舒能光电科技发展有限公司 | Circular spot lamp |
| CN203656600U (en) * | 2013-08-21 | 2014-06-18 | 上海创波光电科技有限公司 | Ring LED light source adopting improved structure |
-
2013
- 2013-08-21 CN CN201310370182.7A patent/CN103423645B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201982974U (en) * | 2011-01-31 | 2011-09-21 | 广州中医药大学第一附属医院 | Medical illuminating device |
| CN202303013U (en) * | 2011-10-08 | 2012-07-04 | 宁波舒能光电科技发展有限公司 | Circular spot lamp |
| CN203656600U (en) * | 2013-08-21 | 2014-06-18 | 上海创波光电科技有限公司 | Ring LED light source adopting improved structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483734A (en) * | 2015-06-26 | 2017-03-08 | 康耐视公司 | Light fixture |
| CN106483734B (en) * | 2015-06-26 | 2020-07-14 | 康耐视公司 | Lighting assembly |
| CN115264459A (en) * | 2022-08-15 | 2022-11-01 | 深圳市梯易易智能科技有限公司 | Multichannel high-brightness annular light source |
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| Publication number | Publication date |
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| CN103423645B (en) | 2015-08-26 |
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Granted publication date: 20150826 |