CN102539396A - Laser developing device - Google Patents
Laser developing device Download PDFInfo
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- CN102539396A CN102539396A CN2011103473732A CN201110347373A CN102539396A CN 102539396 A CN102539396 A CN 102539396A CN 2011103473732 A CN2011103473732 A CN 2011103473732A CN 201110347373 A CN201110347373 A CN 201110347373A CN 102539396 A CN102539396 A CN 102539396A
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- laser
- bonnet
- power supply
- visualizer
- optical fiber
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser developing device, which comprises a casing. A front cover and a rear cover are respectively arranged at two ends of the casing, a laser device and a power supply for supplying power to the laser device are positioned in the casing, the power supply is further connected with a radiation fan, the laser device is connected with the a homogenization system through an optical fiber, and the homogenization system is positioned on the front cover. Due to the laser device arranged in the casing, the laser device is connected with power to emit laser which is transmitted to the homogenization system through an optical fiber to improve brightness homogeneity to shoot on trace material evidences to be stimulated to emit secondary fluorescent light. The radiation fan is used for radiating the inside of the casing, thereby guaranteeing reliability of working of the laser device. The develop device utilizes the characteristics that laser is strong in luminous energy and pure in spectrum to stimulate trace material evidences to emit secondary fluorescent light. Images of the trace material evidences can be achieved by observing the fluorescent light. The laser developing device has the advantages of being small in volume, light in weight, convenient to carry and high in accuracy.
Description
Technical field
The present invention relates to a kind of laser visualizer, relate in particular to a kind of laser trace evidence visualizer.
Background technology
Laser is with its pure spectral characteristic and absolute super brightness; Can find various physiologically substance vestiges easily; Like sweat vestige, fingerprint trace, urine vestige, blood vestige, seminal fluid vestige or the like, under laser radiation, various biological vestiges are high-visible; Laser is in the superiority of trace evidence aspect reconnoitring; Other kinds light source is incomparable, and laser method usually is used in in the development of various vestiges, a foremost example: FBI utilizes this method successfully the latent fingerprint in surplus one piece residual 40 year to be developed.Laser method is after early eighties begins practical application; Obtained a large amount of astonishing achievements, present development trend is that laser method and chemical development method are combined use; To let the required finger secretion lower limit of development reduce greatly; Thereby improve the collection success ratio of fingerprint on site, not only solved the vestige the general condition under and developed, also become possibility to the analysis of special difficult fingerprint (fingerprint of too outmoded fingerprint, quilt " pollution " mistake, overlapped fingerprint etc.).So, how laser method is applied on the visualizer, becomes a good problem to study.
Summary of the invention
The objective of the invention is to address the above problem, a kind of laser visualizer is provided, it utilizes strong, the specpure characteristics of laser light energy; Excite trace evidence to send second-order fluorescence; Through observing fluorescence, obtain the trace evidence image, have advantage simple in structure, that be easy to realize.
The objective of the invention is to realize through following technical scheme:
A kind of laser visualizer comprises housing, and the two ends of said housing are provided with forward and backward lid; Said enclosure interior is equipped with laser instrument and is the power supply of its power supply; Said power supply also is connected with radiator fan, and said laser instrument is connected with the homogenize system through optical fiber, and said homogenize system is arranged on the protecgulum.
Said housing comprises upper and lower cover plate, and connects as one through the forward and backward lid that is arranged on its two ends.
The top of said protecgulum is provided with laser indicator lamp, and the center of protecgulum is provided with the laser homogenizing system.
The top of said bonnet is provided with handle, and the top, outer end of bonnet is disposed with power switch, charging indicator light, power light, power source charges interface, and the bottom, outer end of bonnet is provided with the fan protecting wire net.
In said enclosure interior and in the inboard of said bonnet radiator fan is set; The front side of said radiator fan is provided with power supply and uses accumulator; The front side of said accumulator is provided with laser instrument; Said laser instrument is fixed on the center of housing through fixed head, is connected with optical fiber on the said laser instrument, and said optical fiber links to each other with the homogenize system through fibre-optical splice.
The inboard of said lower cover is provided with laser instrument and uses drive circuit board.
Said handle is fixed on the top of said bonnet through handle bracket.
The end of said handle is fixed with the laser controlling button through the button support.
Beneficial effect of the present invention is: through in enclosure interior laser instrument being set, laser is launched in the laser instrument energising, and laser is passed to the homogenize system through optical fiber, improves bright uniformity coefficient, is radiated on the trace evidence, excites it to send second-order fluorescence; Through radiator fan is set, the enclosure interior environment is dispelled the heat, guaranteed the reliability of laser works; The contrast prior art; This visualizer utilizes strong, the specpure characteristics of laser light energy, excites trace evidence to send second-order fluorescence, through observing fluorescence; Obtain the trace evidence image, have volume little, in light weight, be easy to carry, reliable operation, advantage of high precision.
Description of drawings
According to accompanying drawing and embodiment the present invention is done further explain below.
Fig. 1 looks synoptic diagram for the master of laser visualizer of the present invention;
Fig. 2 is the schematic rear view of laser visualizer of the present invention.
Among the figure:
1, housing; 11, upper cover plate; 12, lower cover; 13, laser instrument; 14, optical fiber; 15, fibre-optical splice; 16, accumulator; 17, radiator fan; 18, circuit board;
2, protecgulum; 21, homogenize system; 22, laser indicator lamp;
3, bonnet; 31, handle; 32, laser controlling button; 33, power switch; 34, charging indicator light; 35, power light; 36, power source charges interface; 37, fan protecting wire net.
Embodiment
In Fig. 1～2 illustrated embodiments; Laser visualizer of the present invention comprises housing 1, and the two ends of housing 1 are provided with forward and backward lid 2,3; Housing 1 inside is equipped with laser instrument 13 and is the power supply of its power supply; Power supply also is connected with radiator fan 17, and laser instrument 13 is connected with homogenize system 21 through optical fiber 14, and homogenize system 21 is arranged on the protecgulum 2.
Wherein, housing 1 comprises upper and lower cover plate 11,12, and connects as one through the forward and backward lid 2,3 that is arranged on its two ends; Be convenient to the dismounting of instrument, radiator fan 17 be set, the working environment of laser instrument 13 is dispelled the heat in housing 1 inside and in the inboard of bonnet 3; The front side of radiator fan 17 is provided with power supply with accumulator 16, and alternating current-direct current is shared, and the rechargeable battery long service life; The front side of accumulator 16 is provided with laser instrument 13; Laser instrument 13 is fixed on the center of housing 1 through fixed head, is connected with optical fiber 14 on the laser instrument 13, and optical fiber 14 links to each other with homogenize system 21 through fibre-optical splice 15; Make that the output efficiency of laser is high, the inboard of lower cover 12 is provided with laser instrument 13 usefulness drive circuit boards 18.
The top of protecgulum 2 is provided with laser indicator lamp 22, can know laser through it and whether be in emission state, and the center of protecgulum 2 is provided with laser homogenizing system 21, and is corresponding with laser instrument 13, improves laser output efficiency and uniformity coefficient.
The top of bonnet 3 is provided with handle 31, and handle 31 is fixed on the top of bonnet 3 through handle bracket, and the end of handle 31 is fixed with laser controlling button 32 through the button support; Emission through its control laser; Made things convenient for operation, the top, outer end of bonnet 3 is disposed with power switch 33, charging indicator light 34, power light 35, power source charges interface 36, and whether power light 35 can clearly be known power supply in running order; Power source charges interface 36 is used for accumulator 16 is charged; The bottom, outer end of bonnet 3 is provided with fan protecting wire net 37, is complementary with radiator fan 17, is dispelled the heat in housing 1 inside.
During work, at first turn on the power switch 33, make laser instrument 13 switch on; Open laser controlling button 32, laser instrument 13 emission laser, laser is passed to homogenize system 21 through optical fiber 14; Improve bright uniformity coefficient, be radiated on the trace evidence, excite it to send second-order fluorescence; Through observing fluorescence, obtain the trace evidence image; Simultaneously, radiator fan 17 energising work are dispelled the heat through 37 pairs of housing 1 internal environments of fan protecting wire net, have guaranteed the reliability of laser instrument 13 work.
Claims (8)
1. laser visualizer; It is characterized in that, comprise housing, the two ends of said housing are provided with forward and backward lid; Said enclosure interior is equipped with laser instrument and is the power supply of its power supply; Said power supply also is connected with radiator fan, and said laser instrument is connected with the homogenize system through optical fiber, and said homogenize system is arranged on the protecgulum.
2. laser visualizer according to claim 1 is characterized in that said housing comprises upper and lower cover plate, and connects as one through the forward and backward lid that is arranged on its two ends.
3. laser visualizer according to claim 1 is characterized in that the top of said protecgulum is provided with laser indicator lamp, and the center of protecgulum is provided with the laser homogenizing system.
4. laser visualizer according to claim 1; It is characterized in that; The top of said bonnet is provided with handle, and the top, outer end of bonnet is disposed with power switch, charging indicator light, power light, power source charges interface, and the bottom, outer end of bonnet is provided with the fan protecting wire net.
5. laser visualizer according to claim 1; It is characterized in that, in said enclosure interior and in the inboard of said bonnet radiator fan is set, the front side of said radiator fan is provided with power supply and uses accumulator; The front side of said accumulator is provided with laser instrument; Said laser instrument is fixed on the center of housing through fixed head, is connected with optical fiber on the said laser instrument, and said optical fiber links to each other with the homogenize system through fibre-optical splice.
6. laser visualizer according to claim 2 is characterized in that the inboard of said lower cover is provided with laser instrument and uses drive circuit board.
7. laser visualizer according to claim 4 is characterized in that, said handle is fixed on the top of said bonnet through handle bracket.
8. laser visualizer according to claim 7 is characterized in that the end of said handle is fixed with the laser controlling button through the button support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110347373.2A CN102539396B (en) | 2011-11-07 | 2011-11-07 | Laser developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110347373.2A CN102539396B (en) | 2011-11-07 | 2011-11-07 | Laser developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102539396A true CN102539396A (en) | 2012-07-04 |
| CN102539396B CN102539396B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110347373.2A Active CN102539396B (en) | 2011-11-07 | 2011-11-07 | Laser developing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102539396B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022868A (en) * | 2012-12-25 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Pulse optical fiber laser |
| CN103389267A (en) * | 2013-07-24 | 2013-11-13 | 苏州晓松科技开发有限公司 | Laser physical evidence exploration instrument |
Citations (7)
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| CN2916840Y (en) * | 2006-05-30 | 2007-06-27 | 鹤山真明丽灯饰有限公司 | Laser demonstrator |
| CN201207038Y (en) * | 2008-05-14 | 2009-03-11 | 张勇 | Semiconductor pumping type solid laser finger print presenting instrument |
| WO2009035511A1 (en) * | 2007-09-10 | 2009-03-19 | Coherent, Inc. | Trace evidence detection using multiple laser light sources |
| CN201699311U (en) * | 2010-06-13 | 2011-01-05 | 山东神戎电子股份有限公司 | Semi-conductor for night viewing and lighting |
| CN102175643A (en) * | 2011-03-18 | 2011-09-07 | 苏州晓松科技开发有限公司 | Laser physical evidence exploration instrument |
| 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 |
| CN202305411U (en) * | 2011-11-07 | 2012-07-04 | 无锡亮源激光技术有限公司 | Laser developing instrument |
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2011
- 2011-11-07 CN CN201110347373.2A patent/CN102539396B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2916840Y (en) * | 2006-05-30 | 2007-06-27 | 鹤山真明丽灯饰有限公司 | Laser demonstrator |
| WO2009035511A1 (en) * | 2007-09-10 | 2009-03-19 | Coherent, Inc. | Trace evidence detection using multiple laser light sources |
| CN201207038Y (en) * | 2008-05-14 | 2009-03-11 | 张勇 | Semiconductor pumping type solid laser finger print presenting instrument |
| CN201699311U (en) * | 2010-06-13 | 2011-01-05 | 山东神戎电子股份有限公司 | Semi-conductor for night viewing and lighting |
| CN102175643A (en) * | 2011-03-18 | 2011-09-07 | 苏州晓松科技开发有限公司 | Laser physical evidence exploration instrument |
| 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 |
| CN202305411U (en) * | 2011-11-07 | 2012-07-04 | 无锡亮源激光技术有限公司 | Laser developing instrument |
Non-Patent Citations (3)
| Title |
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| COHERENT: "TracER Datasheet", 《HTTP://WWW.COHERENT.COM/PRODUCTS/?1479/TRACER-FORENSIC-LASER-SYSTEM》, 31 December 2008 (2008-12-31) * |
| COHERENT: "激光痕量物证采集系统", 《物理》, 31 December 2006 (2006-12-31) * |
| 龚业 等: "激光广播式通信中光束能量均匀化的实用研究", 《中国科技信息》, 31 December 2006 (2006-12-31) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022868A (en) * | 2012-12-25 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Pulse optical fiber laser |
| CN103389267A (en) * | 2013-07-24 | 2013-11-13 | 苏州晓松科技开发有限公司 | Laser physical evidence exploration instrument |
| CN103389267B (en) * | 2013-07-24 | 2015-09-23 | 苏州晓松科技开发有限公司 | A kind of laser physical evidence exploration instrument |
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| Publication number | Publication date |
|---|---|
| CN102539396B (en) | 2015-07-29 |
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