CN102692711A - Laser illuminator for light spot homogenizing treatment - Google Patents
Laser illuminator for light spot homogenizing treatment Download PDFInfo
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- CN102692711A CN102692711A CN2011100673370A CN201110067337A CN102692711A CN 102692711 A CN102692711 A CN 102692711A CN 2011100673370 A CN2011100673370 A CN 2011100673370A CN 201110067337 A CN201110067337 A CN 201110067337A CN 102692711 A CN102692711 A CN 102692711A
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- optical tunnel
- lens
- hot spot
- heat dissipation
- laser illuminator
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Abstract
The invention discloses a laser illuminator for light spot homogenizing treatment, comprising a heat dissipation base and a camera lens. A laser device is mounted on the heat dissipation base while an optical lens is mounted in the camera lens. A light homogenizing rod is arranged between the heat dissipation base and the camera lens. The laser device, the light homogenizing rod and the optical lens are positioned on the same horizontal straight line. The light homogenizing rod is a rectangular columnar glass rod which has a length-width ratio from 6:1 to 14:1 and a width-thickness ratio of 4:3. Compared with the prior art, 4:3 uniform light spots generated by the laser illuminator for light spot homogenizing treatment of the invention can be synchronized with an existing CCD monitoring picture to realize long-distance illumination. The theoretical light energy utilization rate can reach 100%. The illuminator is compact in structure and small in size and facilitates security-monitoring integrated installation.
Description
Technical field:
The invention belongs to lighting field, what be specifically related to is the laser illuminator that a kind of hot spot homogenize is handled, and this laser illuminator carries out homogenize through optical tunnel to the laser instrument light intensity to be handled, and reduces the luminous energy loss, hot spot is evenly distributed.
Background technology:
The enhancing of Along with people's awareness of safety, night vision technology progressively get into people's life with its distinctive advantage.
At present, the means of illumination of night vision monitoring has two kinds: a kind of is to utilize the LED illumination, its exist brightness low, be not suitable for remote illumination; Thermal value is big, the shortcoming that serviceable life is short, and the LED lamp forms by many light emitting diodes assemblings, red exposing to the sun appears and after, can make the red phenomenon of exposing to the sun of whole front panel generation, be unfavorable for the hidden of infrared lamp.
Another kind is to utilize laser illuminator to throw light on; Characteristics such as illumination distances is far away because laser illuminator has, good concealment, long service life; Therefore can be used with thermal camera, black-white CCD video camera or lll night vision equipment, form the night vision supervisory system.
Yet the light beam of light source in the laser illuminator is an Elliptical Gaussian Beam; The vertical divergence angle of light beam is bigger, and its transverse field is some strips owing to high-order mode exists, and makes hot spot extremely inhomogeneous; Therefore need carry out the shaping homogenize to laser intensity through holographic grating handles; But the preparing grating difficulty is big, cost is high, and existing laser illuminator volume is generally bigger, is difficult to integrated.
Summary of the invention:
For this reason, the laser illuminator that the object of the present invention is to provide a kind of hot spot homogenize to handle, generally bigger to solve existing laser illuminator volume, be difficult to the uneven problem of hot spot that light beam integrated and that laser instrument sends produces.
For realizing above-mentioned purpose, the present invention mainly adopts following technical scheme:
The laser illuminator that a kind of hot spot homogenize is handled; Comprise heat dissipation base (1) and camera lens (3); Laser instrument (5) is installed on the said heat dissipation base (1), lens (7) are installed in the said camera lens (3), between wherein said heat dissipation base (1) and the camera lens (3) optical tunnel (4) is installed; Said laser instrument (5), optical tunnel (4) and lens (7) are positioned on the same horizontal linear; And optical tunnel (4) is a rectangle column glass bar, and the length breadth ratio of this rectangle column glass bar is between 6: 1 to 14: 1, and flakiness ratio is 4: 3.
The length breadth ratio of wherein said optical tunnel (4) is between 6: 1 to 7: 1.
The length breadth ratio of wherein said optical tunnel (4) is between 11: 1 to 14: 1.
Distance between wherein said lens (7) and the optical tunnel (4) is not more than the focal length of lens (7).
Wherein said heat dissipation base (1) comprises pedestal (103) and is arranged on the boss (101) on the pedestal (103), laser instrument (5) is installed on the said boss (101).
One optical tunnel anchor clamps (2) are installed between wherein said heat dissipation base (1) and the camera lens (3), are provided with a through hole (203) in the middle of these optical tunnel anchor clamps (2), said optical tunnel (4) is fixed in this through hole (203).
Wherein said optical tunnel anchor clamps (2) are made up of front boss (206) and back fixedly edge (207), and said front boss (206) is provided with a groove (204), and this groove (204) is communicated with through hole (203).
Be fixed with light transmission piece (6) in the wherein said groove (204).
Wherein said camera lens (3) center is provided with lock chamber (302), and lens (7) are fixedly mounted in this lock chamber (302).
The present invention installs optical tunnel between laser instrument and lens, make laser instrument, and optical tunnel and lens are formed complete homogenize imaging system, through optimizing optical tunnel face size and length, has improved luminous utilization factor and the hot spot homogeneity of laser instrument.Light repeatedly superposes at the optical tunnel rear end face after the reflection in optical tunnel, obtains a uniform hot spot output, becomes evenly hot spot clearly at the target place through infrared lens then, through the night vision illumination effect of adjusting lens focus realization different distance.
Compared with prior art; The laser illuminator that hot spot homogenize of the present invention is handled produces 4: 3 uniform light spots; Can be synchronous with existing CCD monitored picture, realize illumination at a distance, its theoretical efficiency of light energy utilization can reach 100%; And this illuminator structure is compact, volume is less, is convenient to the integrated installation of safety monitoring.
Description of drawings:
Fig. 1 is a laser illuminator cross-sectional view of the present invention.
Fig. 2 is a laser illuminator heat dissipation base cross-sectional view of the present invention.
Fig. 3 is a laser illuminator optical tunnel anchor clamps cross-sectional view of the present invention.
Fig. 4 is a laser illuminator lens profile structural representation of the present invention.
Fig. 5 is an optical tunnel structural representation of the present invention.
Identifier declaration among the figure: heat dissipation base 1, boss 101, boss external thread 102, pedestal 103, optical tunnel anchor clamps 2, internal thread 201, external thread 202, through hole 203, groove 204, anchor clamps cavity 205, front boss 206, back fixedly edge 207, camera lens 3, camera lens internal thread 301, lock chamber 302, camera lens cavity 303, camera lens is edge 304, optical tunnel 4, laser instrument 5, light transmission piece 6, lens 7 fixedly.
Embodiment:
Core concept of the present invention is: the present invention installs optical tunnel between laser instrument and lens, and this optical tunnel face size and length are optimized, and makes laser instrument, and optical tunnel and lens are formed complete homogenize imaging system.The light that laser instrument sends repeatedly reflects the back in the stack of optical tunnel rear end face through optical tunnel, forms uniform hot spot output, becomes evenly hot spot clearly at the target place through infrared lens then, thereby has improved luminous utilization factor and the hot spot homogeneity of laser instrument
For setting forth thought of the present invention and purpose, will combine accompanying drawing and specific embodiment that the present invention is done further explanation below.
See also shown in Figure 1ly, Fig. 1 is a laser illuminator cross-sectional view of the present invention.The present invention is to provide the laser illuminator that a kind of hot spot homogenize is handled; Include heat dissipation base 1, optical tunnel anchor clamps 2 and camera lens 3; Said optical tunnel anchor clamps 2 are installed between heat dissipation base 1 and the camera lens 3; And the rear end of optical tunnel anchor clamps 2 is threaded with heat dissipation base 1, and front end is threaded with camera lens 3.
As shown in Figure 2, Fig. 2 is a laser illuminator heat dissipation base cross-sectional view of the present invention.Heat dissipation base 1 comprises pedestal 103 and is arranged on the boss 101 on the pedestal 103, and said boss 101 arranged outside have boss external thread 102, and boss 101 centers are equipped with laser instrument 5.
As shown in Figure 3, Fig. 3 is a laser illuminator optical tunnel anchor clamps cross-sectional view of the present invention.Optical tunnel anchor clamps 2 are made up of front boss 206 and back fixedly edge 207, and are provided with a through hole 203 in optical tunnel anchor clamps 2 centers, and this through hole 203 is used for fixing optical tunnel 4.
Wherein said back fixedly is formed with an anchor clamps cavity 205 in the edge 207; Back fixedly edge 207 inboards is provided with internal thread 201; Described anchor clamps cavity 205 is nested with on the boss 101 of heat dissipation base 1, and through internal thread 201, boss external thread 102 optical tunnel anchor clamps 2 is threaded with heat dissipation base 1.
Wherein front boss 206 arranged outside have external thread 202, and the center is provided with a groove 204, and this groove 204 is communicated with above-mentioned through hole 203, and in groove 204, are installed with a light transmission piece 6, enter into optical tunnel 4 to prevent dust.
As shown in Figure 4, Fig. 4 is a laser illuminator lens profile structural representation of the present invention.Camera lens 3 includes fixedly edge 304 of camera lens; This camera lens fixedly is provided with camera lens internal thread 301 in edge 304 inboards; Camera lens fixedly is formed with a camera lens cavity 303 in the edge 304; These camera lens cavity 303 correspondences are sleeved on the front boss 206 of optical tunnel anchor clamps 2, and through the external thread 202 realization camera lenses 3 in camera lens internal thread 301, front boss 206 outsides and being threaded of optical tunnel anchor clamps 2.
Be provided with a lock chamber 302 in the center of camera lens 3, in the described lock chamber 302 lens 7 be installed.
As shown in Figure 5, Fig. 5 is an optical tunnel structural representation of the present invention.Optical tunnel 4 is a rectangle column glass bar among the present invention, and the size of this rectangle column glass bar has following requirement:
Length breadth ratio L/W is positioned between 6: 1 to 14: 1, and flakiness ratio W/D is 4: 3.
Wherein L/W is preferably between 6: 1 to 7: 1, or is preferably between 11: 1 to 14: 1, and W/D then remains unchanged at 4: 3.
More than be that laser illuminator and method that a kind of hot spot homogenize provided by the present invention is handled have been carried out detailed introduction; Used concrete example among this paper structural principle of the present invention and embodiment are set forth, above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. the laser illuminator handled of a hot spot homogenize; Comprise heat dissipation base (1) and camera lens (3); Laser instrument (5) is installed on the said heat dissipation base (1), lens (7) are installed in the said camera lens (3), it is characterized in that between said heat dissipation base (1) and the camera lens (3) optical tunnel (4) being installed; Said laser instrument (5), optical tunnel (4) and lens (7) are positioned on the same horizontal linear; And optical tunnel (4) is a rectangle column glass bar, and the length breadth ratio of this rectangle column glass bar is between 6: 1 to 14: 1, and flakiness ratio is 4: 3.
2. the laser illuminator that hot spot homogenize according to claim 1 is handled, the length breadth ratio that it is characterized in that said optical tunnel (4) is between 6: 1 to 7: 1.
3. the laser illuminator that hot spot homogenize according to claim 1 is handled, the length breadth ratio that it is characterized in that said optical tunnel (4) is between 11: 1 to 14: 1.
4. the laser illuminator that hot spot homogenize according to claim 1 is handled is characterized in that the distance between said lens (7) and the optical tunnel (4) is not more than the focal length of lens (7).
5. the laser illuminator that hot spot homogenize according to claim 1 is handled is characterized in that said heat dissipation base (1) comprises pedestal (103) and is arranged on the boss (101) on the pedestal (103), is equipped with laser instrument (5) on the said boss (101).
6. the laser illuminator that hot spot homogenize according to claim 1 is handled; It is characterized in that being equipped with between said heat dissipation base (1) and the camera lens (3) optical tunnel anchor clamps (2); Be provided with a through hole (203) in the middle of these optical tunnel anchor clamps (2), said optical tunnel (4) is fixed in this through hole (203).
7. the laser illuminator that hot spot homogenize according to claim 6 is handled; It is characterized in that said optical tunnel anchor clamps (2) are made up of front boss (206) and back fixedly edge (207); Said front boss (206) is provided with a groove (204), and this groove (204) is communicated with through hole (203).
8. the laser illuminator that hot spot homogenize according to claim 7 is handled is characterized in that being fixed with in the said groove (204) light transmission piece (6).
9. the laser illuminator that hot spot homogenize according to claim 1 is handled is characterized in that said camera lens (3) center is provided with lock chamber (302), and lens (7) are fixedly mounted in this lock chamber (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100673370A CN102692711A (en) | 2011-03-21 | 2011-03-21 | Laser illuminator for light spot homogenizing treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100673370A CN102692711A (en) | 2011-03-21 | 2011-03-21 | Laser illuminator for light spot homogenizing treatment |
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| Publication Number | Publication Date |
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| CN102692711A true CN102692711A (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100673370A Pending CN102692711A (en) | 2011-03-21 | 2011-03-21 | Laser illuminator for light spot homogenizing treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712917A (en) * | 2014-01-15 | 2014-04-09 | 宋志宏 | Laser physical evidence survey instrument |
| CN108565673A (en) * | 2018-04-01 | 2018-09-21 | 额尔德尼毕利格 | Bar items for semiconductor laser are integrated |
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| US5657138A (en) * | 1991-10-13 | 1997-08-12 | Lewis; Aaron | Generating defined structures on materials using combined optical technologies for transforming the processing beam |
| CN1316667A (en) * | 2000-01-28 | 2001-10-10 | 精工爱普生株式会社 | Projector |
| JP2002268000A (en) * | 2001-03-09 | 2002-09-18 | Ricoh Co Ltd | Lighting device |
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| CN1488989A (en) * | 2002-09-10 | 2004-04-14 | 智能泰克株式会社 | Lamp optical system for projection liquid crystal display device and projection liquid crystal display device |
| CN201000509Y (en) * | 2007-01-08 | 2008-01-02 | 济南恒达新科技发展有限公司 | Far distance infrared laser projection device |
| KR20080039582A (en) * | 2006-11-01 | 2008-05-07 | 엘지전자 주식회사 | Projectile optical device of using unified structure |
| JP2009003091A (en) * | 2007-06-20 | 2009-01-08 | Fujinon Corp | Illumination optical device and projection type image display device |
| CN101477242A (en) * | 2008-05-15 | 2009-07-08 | 郑维彦 | Uniform high-efficiency lighting system used in night viewing system |
| US20110013145A1 (en) * | 2008-03-28 | 2011-01-20 | Atsushi Kato | Lighting apparatus and projector |
| CN202008568U (en) * | 2011-03-21 | 2011-10-12 | 深圳市众望达光电有限公司 | Laser illuminator for light spot homogenizing treatment |
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2011
- 2011-03-21 CN CN2011100673370A patent/CN102692711A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5657138A (en) * | 1991-10-13 | 1997-08-12 | Lewis; Aaron | Generating defined structures on materials using combined optical technologies for transforming the processing beam |
| CN1316667A (en) * | 2000-01-28 | 2001-10-10 | 精工爱普生株式会社 | Projector |
| JP2002268000A (en) * | 2001-03-09 | 2002-09-18 | Ricoh Co Ltd | Lighting device |
| JP2003098597A (en) * | 2001-09-25 | 2003-04-03 | Seiko Epson Corp | Illumination device and projector |
| CN1488989A (en) * | 2002-09-10 | 2004-04-14 | 智能泰克株式会社 | Lamp optical system for projection liquid crystal display device and projection liquid crystal display device |
| KR20080039582A (en) * | 2006-11-01 | 2008-05-07 | 엘지전자 주식회사 | Projectile optical device of using unified structure |
| CN201000509Y (en) * | 2007-01-08 | 2008-01-02 | 济南恒达新科技发展有限公司 | Far distance infrared laser projection device |
| JP2009003091A (en) * | 2007-06-20 | 2009-01-08 | Fujinon Corp | Illumination optical device and projection type image display device |
| US20110013145A1 (en) * | 2008-03-28 | 2011-01-20 | Atsushi Kato | Lighting apparatus and projector |
| CN101477242A (en) * | 2008-05-15 | 2009-07-08 | 郑维彦 | Uniform high-efficiency lighting system used in night viewing system |
| CN202008568U (en) * | 2011-03-21 | 2011-10-12 | 深圳市众望达光电有限公司 | Laser illuminator for light spot homogenizing treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712917A (en) * | 2014-01-15 | 2014-04-09 | 宋志宏 | Laser physical evidence survey instrument |
| CN108565673A (en) * | 2018-04-01 | 2018-09-21 | 额尔德尼毕利格 | Bar items for semiconductor laser are integrated |
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Application publication date: 20120926 |