CN202938088U - Linear light source and linear coaxial light source comprising same - Google Patents
Linear light source and linear coaxial light source comprising same Download PDFInfo
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- CN202938088U CN202938088U CN 201220569197 CN201220569197U CN202938088U CN 202938088 U CN202938088 U CN 202938088U CN 201220569197 CN201220569197 CN 201220569197 CN 201220569197 U CN201220569197 U CN 201220569197U CN 202938088 U CN202938088 U CN 202938088U
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Abstract
The utility model discloses a linear light source which comprises a heat dissipation type housing, a single row of LEDs and a column-shaped lens, wherein an accommodating cavity is formed in the heat dissipation type housing; the single row of LEDs is arranged at the bottom of the accommodating cavity; the column-shaped lens is positioned inside the accommodating cavity; and lights emitted by the single row of LEDs are converged through the column-shaped lens to form the linear light source. The linear light source is characterized by further comprising a lens unit, wherein the lens unit is arranged in the accommodating cavity and position between the single row of LEDs and the column-shaped lens and comprises a plurality of independent lenses; and the each LED in the single row of LEDs corresponds to one independent lens. After the light emitted by the single row of LEDs is condensed through the independent lenses, the superposition of part of the light is reduced, and the light is relatively uniform; and the light is condensed by the column-shaped lens into a linear beam of light, which is more uniform than a common linear light. The utility model further discloses a linear coaxial light source comprising the linear light source.
Description
Technical field
The utility model relates to LED light source, particularly linear light sorurce and comprise the linear coaxial light source of this linear light sorurce.
Background technology
Line-scan digital camera is used in current all multiple production line on-the-spot meetings, and the IMAQ speed of line-scan digital camera is generally very fast, therefore needs additional source of light to throw light on to provide enough brightness, and forms good illuminating effect.Existing linear coaxial light source, comprise heat dissipation type shell, single-row LED, optically focused post, the heat dissipation type shell offers accommodating cavity, single-row LED is arranged at the bottom of accommodating cavity, the optically focused post is positioned at the inside of accommodating cavity, and the light that single-row LED sends is through converging of optically focused post, thereby the formation linear light sorurce, the directly external emission of light of optically focused post.But in prior art, the optically focused post externally light of emission exists that uniformity is bad, the problem of less stable.Prior art provides illumination for line-scan digital camera, if it is reflective very strong to detect target, local lamp, the dazzle lamp phenomenon of leaking will appear in the image that line-scan digital camera collects, and other position is luminance shortage, has the inhomogeneous and style phenomenon of the local luminous inconsistent image that causes.
The utility model content
One of technical problem to be solved in the utility model is to provide a kind of linear light sorurce for the existing existing deficiency of linear coaxial light source.
One of technical problem to be solved in the utility model is to provide a kind of linear coaxial light source that comprises this linear light sorurce for the existing existing deficiency of linear coaxial light source.
linear light sorurce as the utility model first aspect, comprise the heat dissipation type shell, single-row LED, cylindrical lens, the heat dissipation type shell offers accommodating cavity, single-row LED is arranged at the bottom of accommodating cavity, cylindrical lens is positioned at the inside of accommodating cavity, the light that single-row LED sends, through converging of cylindrical lens, thereby formation linear light sorurce, it is characterized in that, also comprise the inside and the lens unit between described single-row LED and cylindrical lens that are arranged on accommodating cavity, described lens unit has several separate lenses, corresponding separate lenses of each LED in single-row LED wherein.
In a preferred embodiment of the present utility model, described lens unit comprises a lens holder plate, offers some separate lenses installing holes on described lens holder plate, is placed with a separate lenses in each separate lenses installing hole.
In a preferred embodiment of the present utility model, described separate lenses is round lens.
the linear coaxial light source that comprises described linear light sorurce as the utility model second aspect, comprise heat dissipation type shell, single-row LED, cylindrical lens, support, diffuser plate, base, semi-transparent semi-reflecting lens, the first cover plate, the second cover plate, described heat dissipation type shell offers accommodating cavity, described single-row LED is arranged at the bottom of accommodating cavity, described cylindrical lens is positioned at the inside of accommodating cavity, the light inlet side of described support is fixed on described radiator shell, is provided with optical channel in described support, the light inlet side of described base is connected with the bright dipping side of described support, and described diffuser plate arranges between the light inlet side of the bright dipping side of described support and base, also be provided with optical channel in described base, bright dipping side on base and the light inlet side angle at 45 ° on base, described semi-transparent semi-reflecting lens is arranged on the bright dipping side of base by the first cover plate, the second cover plate is fixedly mounted on base, the light that single-row LED sends, through converging of cylindrical lens, the diffusion of diffuser plate, forming at last linear coaxial light source is penetrated by semi-transparent semi-reflecting lens, it is characterized in that, also comprise the inside and the lens unit between described single-row LED and optically focused post that are arranged on accommodating cavity, described lens unit has several separate lenses, corresponding separate lenses of each LED in single-row LED wherein.
In a preferred embodiment of the present utility model, described lens unit comprises a lens holder plate, offers some separate lenses installing holes on described lens holder plate, is placed with a separate lenses in each separate lenses installing hole.
In a preferred embodiment of the present utility model, described separate lenses is round lens.
Owing to having adopted technical scheme as above, the light that single-row LED of the present utility model sends has reduced the stack of part light after separate lenses optically focused, comparatively even, and through cylindrical lens optically focused property into a line light, it is compared with common linear light, and its uniformity is better.Linear light from cylindrical lens out shines and further makes its light more even on diffuser plate, and this light transmission semi-transparent semi-reflecting lens is according to measured object, the image of measured object sees through semi-transparent semi-reflecting lens to camera lens, what complete is the effect of an axis light, compares with common axis light, and its uniformity is better.
Description of drawings
Fig. 1 is the structural representation of the linear coaxial light source of the utility model.
The specific embodiment
Further describe the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the linear coaxial light source that provides in figure, comprise linear light sorurce and coaxial device two parts, linear light sorurce comprises heat dissipation type shell 100, single-row LED200, lens unit 300, cylindrical lens 400, and coaxial device comprises support 500, diffuser plate 600, base 700, semi-transparent semi-reflecting lens 800, cover plate 810,820.
Heat dissipation type shell 100 offers accommodating cavity 110, and single-row LED200 is arranged at the bottom of accommodating cavity 110, and lens unit 300 and cylindrical lens 400 are positioned at the inside of accommodating cavity 110, and lens unit 300 is between single-row LED200 and cylindrical lens 400.
The light that single-row LED200 sends has reduced the stack of part light after separate lenses 320 optically focused, comparatively even, through cylindrical lens 400 optically focused property into a line light, thereby forms linear light sorurce.
The light inlet side 510 of the support 500 in coaxial device is fixed on the bright dipping side 120 of radiator shell 100, is provided with optical channel 520 in support 500; The light inlet side 710 of base 700 is connected with the bright dipping side 530 of support 500, and diffuser plate 600 arranges between the light inlet side 710 of the bright dipping side 530 of support 500 and base 700.
Also be provided with optical channel 720 in base 700, bright dipping side 730 and light inlet side 710 angle at 45 ° on base 700, semi-transparent semi-reflecting lens 800 is arranged on the bright dipping side 730 of base 700 by cover plate 810, and cover plate 820 is fixedly mounted on base 700.
Linear light sorurce forms at last linear coaxial light source and is penetrated by semi-transparent semi-reflecting lens 800 through the diffusion of diffuser plate 600.
Claims (6)
1. linear light sorurce, comprise heat dissipation type shell, single-row LED, cylindrical lens, the heat dissipation type shell offers accommodating cavity, single-row LED is arranged at the bottom of accommodating cavity, cylindrical lens is positioned at the inside of accommodating cavity, the light that single-row LED sends, through converging of cylindrical lens, thereby formation linear light sorurce, it is characterized in that, also comprise the inside and the lens unit between described single-row LED and cylindrical lens that are arranged on accommodating cavity, described lens unit has several separate lenses, wherein the corresponding separate lenses of each LED in single-row LED.
2. linear light sorurce as claimed in claim 1, is characterized in that, described lens unit comprises a lens holder plate, offers some separate lenses installing holes on described lens holder plate, is placed with a separate lenses in each separate lenses installing hole.
3. linear light sorurce as claimed in claim 1, is characterized in that, described separate lenses is round lens.
4. the linear coaxial light source that comprises linear light sorurce, comprise heat dissipation type shell, single-row LED, cylindrical lens, support, diffuser plate, base, semi-transparent semi-reflecting lens, the first cover plate, the second cover plate, described heat dissipation type shell offers accommodating cavity, described single-row LED is arranged at the bottom of accommodating cavity, described cylindrical lens is positioned at the inside of accommodating cavity, the light inlet side of described support is fixed on described radiator shell, is provided with optical channel in described support, the light inlet side of described base is connected with the bright dipping side of described support, and described diffuser plate arranges between the light inlet side of the bright dipping side of described support and base, also be provided with optical channel in described base, bright dipping side on base and the light inlet side angle at 45 ° on base, described semi-transparent semi-reflecting lens is arranged on the bright dipping side of base by the first cover plate, the second cover plate is fixedly mounted on base, the light that single-row LED sends, through converging of cylindrical lens, the diffusion of diffuser plate, forming at last linear coaxial light source is penetrated by semi-transparent semi-reflecting lens, it is characterized in that, also comprise the inside and the lens unit between described single-row LED and optically focused post that are arranged on accommodating cavity, described lens unit has several separate lenses, corresponding separate lenses of each LED in single-row LED wherein.
5. linear coaxial light source as claimed in claim 4, is characterized in that, described lens unit comprises a lens holder plate, offers some separate lenses installing holes on described lens holder plate, is placed with a separate lenses in each separate lenses installing hole.
6. linear coaxial light source as claimed in claim 4, is characterized in that, described separate lenses is round lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569197 CN202938088U (en) | 2012-10-31 | 2012-10-31 | Linear light source and linear coaxial light source comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569197 CN202938088U (en) | 2012-10-31 | 2012-10-31 | Linear light source and linear coaxial light source comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN202938088U true CN202938088U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220569197 Expired - Fee Related CN202938088U (en) | 2012-10-31 | 2012-10-31 | Linear light source and linear coaxial light source comprising same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299538A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Light source device |
| CN105300884A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Scattering linear light detection device |
| CN105299514A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Line light source device |
| CN105299515A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Line light source structure |
| CN105301867A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Scattering linear light source apparatus |
| CN105300883A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Linear light source detection device |
| CN105510343A (en) * | 2015-11-05 | 2016-04-20 | 苏州威盛视信息科技有限公司 | Surface detection apparatus |
| CN107702889A (en) * | 2017-09-27 | 2018-02-16 | 深圳市鹰眼在线电子科技有限公司 | Linear light concentrator and optical detection apparatus |
-
2012
- 2012-10-31 CN CN 201220569197 patent/CN202938088U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299538A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Light source device |
| CN105300884A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Scattering linear light detection device |
| CN105299514A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Line light source device |
| CN105299515A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Line light source structure |
| CN105301867A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Scattering linear light source apparatus |
| CN105300883A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | Linear light source detection device |
| CN105510343A (en) * | 2015-11-05 | 2016-04-20 | 苏州威盛视信息科技有限公司 | Surface detection apparatus |
| CN107702889A (en) * | 2017-09-27 | 2018-02-16 | 深圳市鹰眼在线电子科技有限公司 | Linear light concentrator and optical detection apparatus |
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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: 20130515 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |