CN202362530U - Laser lighting beam-expanding device - Google Patents
Laser lighting beam-expanding device Download PDFInfo
- Publication number
- CN202362530U CN202362530U CN2011205254449U CN201120525444U CN202362530U CN 202362530 U CN202362530 U CN 202362530U CN 2011205254449 U CN2011205254449 U CN 2011205254449U CN 201120525444 U CN201120525444 U CN 201120525444U CN 202362530 U CN202362530 U CN 202362530U
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- light
- laser
- visible light
- transparent
- reflecting cover
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Abstract
The utility model discloses a laser lighting beam-expanding device. The laser lighting beam-expanding device comprises a laser device, a transmission optical fiber, an optical connector and a light-reflecting cover, which are connected in sequence, wherein a transparent cone is arranged in the light-reflecting cover; a rare-earth photoluminescence powder layer is coated at a narrow end of the light-reflecting cover and on the inner top of the transparent cone; light energy which is transmitted from the laser device excites the rare-earth photoluminescence powder layer which is embedded into the top of the transparent cone to emit visible light; and a beam of the visible light is expanded by the transparent cone and the light-reflecting cover, and a large number of visible light spots are formed. The laser lighting beam-expanding device has the advantages that an excitation light signal is generated by an infrared laser device, the optical fiber serves as a transmission medium of the excitation light signal, the visible light is obtained by exciting the rare-earth photoluminescence powder layer, a large number of visible light spots are formed by expanding the beam through the transparent cone and the light-reflecting cover, and an effective method is provided for manufacturing of a lighting device in a high-risk place.
Description
Technical field
The utility model relates to a kind of laser lighting and expands Shu Fangfa, is particularly sent the illumination expansion Shu Fangfa of visible light by invisible light exciting light photoluminescence powder.
Background technology
Along with the enhancing of China's rapid economic development and defense force, urgent to the increasing demand that high-risk place Strengthens Safety Management, adopt passive lighting engineering will become one of important means.The technology that optical fiber does not have () source transmission of power can be used for developing the lighting device in high-risk place; And the diameter of Optical Fiber Transmission is only between 125～200um; What kind of method to make the luminous energy that transmits be converted into the larger area visible light through, be the problem that we will study.
The utility model content
The purpose of the utility model is to provide a kind of simple in structure, laser lighting parallel beam expand device that cost is low, safe in utilization, applicable to the development of high-risk place lighting device.
For realizing above purpose; Technical scheme below the utility model has been taked: a kind of laser lighting parallel beam expand device; Comprise the laser instrument, Transmission Fibers, optical connector, the reflection shield that connect successively; In said reflection shield, be provided with transparent centrum, be coated with rare earth photoluminescence bisque in the inside top of the narrow end of reflection shield, transparent centrum.
Said laser instrument is that emission wavelength is the infrared light laser instrument of 850～1200nm.
Said Transmission Fibers is the long optical cable of 0.05～2km.
The diameter of Transmission Fibers is between 125～200um.
The utility model compared with prior art; Has following advantage: adopt infrared laser to produce optical excitation signal; Use the transmission medium of optical fiber,, obtain visible illuminated light through exciting light rare earth photoluminescence powder as optical excitation signal; And expand bundle formation larger area visible light spot through transparent centrum and reflection shield, for the development of high-risk place lighting device provides effective method.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Explain further details below in conjunction with accompanying drawing and embodiment content to the utility model.
Embodiment:
As shown in Figure 1; A kind of laser lighting parallel beam expand device; Comprise the laser instrument 1, Transmission Fibers 2, optical connector 3, the reflection shield 6 that connect successively, in reflection shield 6, be provided with transparent centrum 5, be coated with rare earth photoluminescence bisque 4 in the narrow end of reflection shield 6, the inside top of transparent centrum 5; The luminous energy that transmits from laser instrument 1 excites the rare earth photoluminescence bisque 4 that is embedded in transparent centrum 5 tops to send visible light, and expands bundle formation than the large tracts of land visible light spot through transparent centrum 5 and reflection shield 6.
Further as preferred embodiment, laser instrument 1 is the infrared light laser instrument of 850～1200nm for emission wavelength.
Further as preferred embodiment, Transmission Fibers 2 is the long optical cable of 0.05～2km.
Further as preferred embodiment, laser instrument 1 is connected with optical connector 3 after being coupled with Transmission Fibers 2 again, and the diameter of Transmission Fibers 2 is between 125～200um.
Further as preferred embodiment, rare earth photoluminescence bisque 4 is embedded in transparent centrum 5 tops, is stimulated and sends the visible light spot of diameter between 2～5mm.
Further as preferred embodiment; The rare earth photoluminescence bisque 4 that is embedded in transparent centrum 5 tops sends visible light; And through through after the gathering of the scattering of transparent centrum 5 and reflection shield 6, expand at last bundle form diameter 20～30mm than the large tracts of land visible light spot.
So the utlity model has advantage simple in structure, that cost is low, practicality is safe, applicable to the development of high-risk place lighting device.
Above-listed detailed description is to the specifying of the utility model possible embodiments, and this embodiment is not the claim in order to restriction the utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.
Claims (4)
1. laser lighting parallel beam expand device; It is characterized in that: comprise the laser instrument (1), Transmission Fibers (2), optical connector (3), the reflection shield (6) that connect successively; In said reflection shield (6), be provided with transparent centrum (5), be coated with rare earth photoluminescence bisque (4) in the inside top of the narrow end of reflection shield (6), transparent centrum (5).
2. according to the said laser lighting parallel beam expand device of claim 1, it is characterized in that: said laser instrument (1) is the infrared light laser instrument of 850～1200nm for emission wavelength.
3. according to the said laser lighting parallel beam expand device of claim 1, it is characterized in that: said Transmission Fibers (2) is the long optical cable of 0.05～2km.
4. according to the said laser lighting parallel beam expand device of claim 1, it is characterized in that: the diameter of Transmission Fibers (2) is between 125～200um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254449U CN202362530U (en) | 2011-12-14 | 2011-12-14 | Laser lighting beam-expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254449U CN202362530U (en) | 2011-12-14 | 2011-12-14 | Laser lighting beam-expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202362530U true CN202362530U (en) | 2012-08-01 |
Family
ID=46573707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205254449U Expired - Lifetime CN202362530U (en) | 2011-12-14 | 2011-12-14 | Laser lighting beam-expanding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202362530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980038A (en) * | 2012-12-21 | 2013-03-20 | 广东省自动化研究所 | Passivation illuminating system with damage detection and implementation method thereof |
| CN107167928A (en) * | 2017-07-18 | 2017-09-15 | 中国工程物理研究院激光聚变研究中心 | Light spot shape conversion equipment and system |
-
2011
- 2011-12-14 CN CN2011205254449U patent/CN202362530U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980038A (en) * | 2012-12-21 | 2013-03-20 | 广东省自动化研究所 | Passivation illuminating system with damage detection and implementation method thereof |
| CN102980038B (en) * | 2012-12-21 | 2015-07-15 | 广东省自动化研究所 | Passivation illuminating system with damage detection and implementation method thereof |
| CN107167928A (en) * | 2017-07-18 | 2017-09-15 | 中国工程物理研究院激光聚变研究中心 | Light spot shape conversion equipment and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |