CN203431553U - Large-power LED annular light source - Google Patents
Large-power LED annular light source Download PDFInfo
- Publication number
- CN203431553U CN203431553U CN201320514269.2U CN201320514269U CN203431553U CN 203431553 U CN203431553 U CN 203431553U CN 201320514269 U CN201320514269 U CN 201320514269U CN 203431553 U CN203431553 U CN 203431553U
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- China
- Prior art keywords
- cone barrel
- radiating substrate
- substrate holder
- taper cone
- hole
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Abstract
The utility model provides an LED annular light source which is composed of an annular heat dissipation substrate support, a condensing lens support, a diffusion element and a cover. Large-power LED light-emitting elements are arranged on the annular heat dissipation substrate support, and therefore the heat dissipation effect is good, and the luminous efficacy is high.
Description
Technical field
The utility model relates to Machine Vision Detection and microoptic lighting technical field, refers to especially the high-power 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 surface characteristics picture on May Day to be detected of configuration, and analyzes through vision system, judges that whether this body surface quality is qualified.For non-smooth curved surface object, for guaranteeing that CCD camera system obtains body surface middle part and edge feature position is clear, the image of uniform gray level, and vision detection system light source generally adopts LED annular light source to carry out active illumination.But existing LED annular light source complex structure, assembly process is long, and because the heat radiation of radiator is inadequate, can only use low-power LED, causes light efficiency not enough.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of radiator good heat dissipation effect for the existing problem of existing LED annular light source, easy to assembly and can use the LED annular light source of great power LED.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
An annular light source, is characterized in that, comprising:
One circular radiating substrate holder, the outer peripheral face of described circular radiating substrate holder is a face of cylinder, center has a centre bore, described centre bore consists of one section of center cylindrical hole and one section of center circle taper hole, described center circle taper hole is positioned at described center cylindrical hole below, at the hole of described center circle taper hole face, offer in uniform way some LED installing holes, in each LED installing hole, a high-power LED luminescent part is all installed, the heat-radiating substrate of described high-power LED luminescent part contacts with described circular radiating substrate holder;
One collector lens support, described collector lens support is hollow form, be enclosed within the centre bore of described circular radiating substrate holder, it has a flange, one section of taper cone barrel and one section of cylindrical drum, described flange is positioned at below, taper cone barrel is between flange and cylindrical drum, cylindrical drum is positioned at the top, flange, taper cone barrel and cylindrical drum are coaxial, on the barrel of described taper cone barrel, offer the lens opening corresponding with some high-power light-emitting position of components, one Fresnel Lenses is installed in each lens opening, center cylindrical hole internal diameter in the external diameter of described cylindrical drum and described circular radiating substrate holder is suitable, the inner conical surface of the male cone (strobilus masculinus) of described taper cone barrel and described center circle taper hole is suitable, the end face of described flange pastes merga pass securing member with the bottom surface of described circular radiating substrate holder and is connected
One diffuse component, described diffuse component is hollow form, it consists of a diffusion flanged plate and one section of diffusion taper cone barrel, described diffusion taper cone barrel is enclosed within the taper cone barrel of described collector lens support, the inner conical surface of the taper cone barrel of the male cone (strobilus masculinus) of this diffusion taper cone barrel and described collector lens support is suitable, and described diffusion flanged plate is fixed on the flange of described collector lens support by adhesive;
One lid, the outer peripheral face of described lid is an outer conical surface, inside have one with the suitable endoporus of the cylindrical drum of described collector lens support, the cylindrical drum of collector lens support, through this endoporus, offers a wire hole on the outer peripheral face of described lid.
In a preferred embodiment of the present utility model, the coning angle of the center circle taper hole of described circular radiating substrate holder is 0 °～90 °, the coning angle of the taper cone barrel of described collector lens support is 0 °～90 °, the coning angle of the coniform diffusing panel of described diffusing panel is 0 °～90 °, and the angle between the optical axis of each high-power LED luminescent part and the central axis of described LED annular light source is 0 °～90 °.
In a preferred embodiment of the present utility model, the coning angle of the center circle taper hole of described circular radiating substrate holder is 15 °～75 °, the coning angle of the taper cone barrel of described collector lens support is 15 °～75 °, the coning angle of the coniform diffusing panel of described diffusing panel is 15 °～75 °, and the angle between the optical axis of each high-power LED luminescent part and the central axis of described LED annular light source is 15 °～75 °.
In a preferred embodiment of the present utility model, 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 utility model adopts four assembling parts, easy to assembly.Adopt in addition the hollow structure of circular radiating substrate holder and each part to dispel the heat, good heat dissipation effect, thus can use high-power LED light-emitting component, light efficiency is strong.Moreover because the wire hole of high-power LED luminescent part is arranged on the outer peripheral face of lid, facilitate outlet.
Accompanying drawing explanation
Fig. 1 is exploded perspective view of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further describe the utility model.
Referring to Fig. 1, a kind of LED annular light source providing in figure, is formed by lid 100, circular radiating substrate holder 200, collector lens support 300 and 400 4 assembling parts of diffuse component, easy to assembly.
The outer peripheral face of circular radiating substrate holder 200 is a face of cylinder 210, center has a centre bore, centre bore consists of one section of center cylindrical hole 220 and one section of center circle taper hole 230, center circle taper hole 230 is positioned at center cylindrical hole 220 belows, its coning angle is 0 °～90 °, be preferably 15 °～75 °, at the hole of center circle taper hole 230 face, offer in uniform way some LED installing holes 231, the interior high-power LED luminescent part 240 that is all provided with of each LED installing hole 231, wherein the heat-radiating substrate of high-power LED luminescent part 240 contacts with circular radiating substrate holder 200, so that quick heat radiating.Spaced apartly on the outer peripheral face 210 of circular radiating substrate holder 200 be provided with some annular grooves 211, one, this LED annular light source of conveniently taking, can also increase area of dissipation on the other hand.
Collector lens support 300 is hollow form, be enclosed within the centre bore of circular radiating substrate holder 200, it has a flange 310, one section of taper cone barrel 320 and one section of cylindrical drum 330, flange 310 is positioned at below, taper cone barrel 320 is between flange 310 and cylindrical drum 330, cylindrical drum 330 is positioned at the top, and flange 310, taper cone barrel 320 and cylindrical drum 330 are coaxial.
Coning angle at the taper cone barrel 320 of collector lens support 300 is also 0 °～90 °, be preferably 15 °～75 °, on the barrel of taper cone barrel 320, offer lens opening 321 corresponding to each high-power LED luminescent part 240 position some and on circular radiating substrate holder 200, each lens, is provided with a Fresnel Lenses 340 in 321.
The external diameter of the cylindrical drum 330 of collector lens support 300 and center cylindrical hole 220 internal diameters in circular radiating substrate holder 200 are suitable, to collector lens support 300 location.
The inner conical surface of the male cone (strobilus masculinus) of the taper cone barrel 320 of collector lens support 300 and the center circle taper hole 230 of circular radiating substrate holder 200 is suitable; Fit and be connected by screw in the bottom surface of the end face of flange 310 and circular radiating substrate holder 200.
Diffuse component 400 is hollow form, it consists of a diffusion flanged plate 410 and one section of diffusion taper cone barrel 420, the coning angle of diffusion taper cone barrel 420 is also 0 °～90 °, be preferably 15 °～75 °, it is enclosed within the taper cone barrel 320 of collector lens support 200, the inner conical surface of the taper cone barrel 320 of the male cone (strobilus masculinus) of this diffusion taper cone barrel 420 and collector lens support 300 is suitable, and diffusion flanged plate 410 is fixed on the flange 310 of collector lens support 300 by adhesive;
The outer peripheral face of lid 100 is an outer conical surface 110, inside have one with the suitable endoporus 120 of the cylindrical drum 310 of collector lens support 300, so that cover 100 cylindrical drum 310 that are enclosed within collector lens support 300, lid 100 is fixed by screws on the outer end face of circular radiating substrate holder 200, in the outer conical surface 110 of lid 100, offer a wire hole 111, with convenient.
After whole LED annular light source assembles, the angle between the optical axis of each high-power LED luminescent part and the central axis of described LED annular light source is 0 °～90 °, is preferably 15 °～75 °.
The utility model adopts the hollow structure of circular radiating substrate holder 200 and each part to dispel the heat, good heat dissipation effect, thus can use high-power LED light-emitting component, light efficiency is strong.Moreover because the wire hole of high-power LED luminescent part is arranged on the outer peripheral face of lid, facilitate outlet.
Claims (4)
1. a LED annular light source, is characterized in that, comprising:
One circular radiating substrate holder, the outer peripheral face of described circular radiating substrate holder is a face of cylinder, center has a centre bore, described centre bore consists of one section of center cylindrical hole and one section of center circle taper hole, described center circle taper hole is positioned at described center cylindrical hole below, at the hole of described center circle taper hole face, offer in uniform way some LED installing holes, in each LED installing hole, a high-power LED luminescent part is all installed, the heat-radiating substrate of described high-power LED luminescent part contacts with described circular radiating substrate holder;
One collector lens support, described collector lens support is hollow form, be enclosed within the centre bore of described circular radiating substrate holder, it has a flange, one section of taper cone barrel and one section of cylindrical drum, described flange is positioned at below, taper cone barrel is between flange and cylindrical drum, cylindrical drum is positioned at the top, flange, taper cone barrel and cylindrical drum are coaxial, on the barrel of described taper cone barrel, offer the lens opening corresponding with some high-power light-emitting position of components, one Fresnel Lenses is installed in each lens opening, center cylindrical hole internal diameter in the external diameter of described cylindrical drum and described circular radiating substrate holder is suitable, the inner conical surface of the male cone (strobilus masculinus) of described taper cone barrel and described center circle taper hole is suitable, the end face of described flange pastes merga pass securing member with the bottom surface of described circular radiating substrate holder and is connected
One diffuse component, described diffuse component is hollow form, it consists of a diffusion flanged plate and one section of diffusion taper cone barrel, described diffusion taper cone barrel is enclosed within the taper cone barrel of described collector lens support, the inner conical surface of the taper cone barrel of the male cone (strobilus masculinus) of this diffusion taper cone barrel and described collector lens support is suitable, and described diffusion flanged plate is fixed on the flange of described collector lens support by adhesive;
One lid, the outer peripheral face of described lid is an outer conical surface, inside have one with the suitable endoporus of the cylindrical drum of described collector lens support, the cylindrical drum of collector lens support, through this endoporus, offers a wire hole on the outer peripheral face of described lid.
2. a kind of LED annular light source as claimed in claim 1, it is characterized in that, the coning angle of the center circle taper hole of described circular radiating substrate holder is 0 °～90 °, the coning angle of the taper cone barrel of described collector lens support is 0 °～90 °, the coning angle of the coniform diffusing panel of described diffusing panel is 0 °～90 °, and the angle between the optical axis of each high-power LED luminescent part and the central axis of described LED annular light source is 0 °～90 °.
3. a kind of LED annular light source as claimed in claim 1, it is characterized in that, the coning angle of the center circle taper hole of described circular radiating substrate holder is 15 °～75 °, the coning angle of the taper cone barrel of described collector lens support is 15 °～75 °, the coning angle of the coniform diffusing panel of described diffusing panel is 15 °～75 °, and the angle between the optical axis of each high-power LED luminescent part and the central axis of described LED annular light source is 15 °～75 °.
4. a kind of 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 |
|---|---|---|---|
| CN201320514269.2U CN203431553U (en) | 2013-08-21 | 2013-08-21 | Large-power LED annular light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514269.2U CN203431553U (en) | 2013-08-21 | 2013-08-21 | Large-power LED annular light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431553U true CN203431553U (en) | 2014-02-12 |
Family
ID=50060590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514269.2U Expired - Fee Related CN203431553U (en) | 2013-08-21 | 2013-08-21 | Large-power LED annular light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006266A1 (en) * | 2016-07-05 | 2018-01-11 | 博立多媒体控股有限公司 | Panoramic sensing apparatus |
| CN109915788A (en) * | 2019-03-08 | 2019-06-21 | 重庆连芯光电技术研究院有限公司 | Beam condensing unit and concentrating method |
-
2013
- 2013-08-21 CN CN201320514269.2U patent/CN203431553U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006266A1 (en) * | 2016-07-05 | 2018-01-11 | 博立多媒体控股有限公司 | Panoramic sensing apparatus |
| CN109915788A (en) * | 2019-03-08 | 2019-06-21 | 重庆连芯光电技术研究院有限公司 | Beam condensing unit and concentrating method |
| CN109915788B (en) * | 2019-03-08 | 2020-08-11 | 重庆连芯光电技术研究院有限公司 | Light condensing device and light condensing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |