CN105757629A - Ultra-power LED physical evidence discovery instrument - Google Patents
Ultra-power LED physical evidence discovery instrument Download PDFInfo
- Publication number
- CN105757629A CN105757629A CN201410780714.9A CN201410780714A CN105757629A CN 105757629 A CN105757629 A CN 105757629A CN 201410780714 A CN201410780714 A CN 201410780714A CN 105757629 A CN105757629 A CN 105757629A
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- Prior art keywords
- light source
- instrument
- illumination apparatus
- super
- led light
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- 239000000463 material Substances 0.000 claims description 31
- 238000005286 illumination Methods 0.000 claims description 19
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 206010014080 Ecchymosis Diseases 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 210000003756 cervix mucus Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011840 criminal investigation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an ultra-power LED physical evidence discovery instrument comprising an illuminator and an electronic box; the illuminator and the electronic box are connected through a power line; the electronic box is power supply equipment, and comprises a switch power source, a control panel, a drive panel, an irradiation fan, a housing, a connector, a socket, and a handle; the illuminator comprises an LED light source, a Fresnel Lenses, a protection window sheet, an irradiator, a shank, and a shield assembly; the switch power source and the drive panel can output LED power supply constant current power; the control panel and the irradiation fan are fixed in the housing in sequence; the connector, the socket and the handle are arranged on the surface of the housing; the connector powers the LED light source through the power line; the LED light source is arranged on the irradiator; heat conduction sheets arranged between the LED light source and the irradiator; the irradiator works under a passive irradiation mode or an active irradiation mode; the parts are connected in sequence and fixed in the housing; the LED light source emits light, the light is collimated by the Fresnel Lenses, passes the protection window sheet in certain angle, and projects on a target surface.
Description
Technical field
The present invention relates to technical field of semiconductor luminescence.
Background technology
In current criminal investigation field, material evidence instrument is a kind of important instrument finding evidence of crime, have in criminal case crime scene is reconnoitred and act on widely, this instrument adopts the light of special wave band, irradiate scene of a crime residue, by coordinating special fluorescent material, fingerprint can be directly applied to, bloodstain, urine, saliva, perspiration, the lookup of seminal stain and tissue, trace evidence of crime just can be directly clearly observable without carrying out any pretreatment, can be widely applied to on-the-spot extensive search seminal stain, urine speckle, saliva, vaginal secretions, the biological materials such as ecchymosis (do not destroy DNA) and fiber, skeleton tooth fragment, paint chipping, potential hands prints, the material evidences such as shooting remnants, it is greatly improved evidence at the scene and finds extraction ratio and discrimination.
Semiconductor light source, such as LED light source etc., have that the startup time is short, brightness is high, energy consumption is low, volume is little, life-span length, safety advantages of higher, progressively replace the tradition high energy consumption such as halogen tungsten lamp, xenon lamp, short-life light source, it is thus achieved that be widely applied.
High-power LED light source is applied in material evidence instrument by the present invention, substantially increase the accuracy of brightness of illumination and effective wavelength, more effective can excite week fluorescent, be effectively improved material evidence discovery rate and separating capacity, hot spot is uniform, irradiated area is big, and on-the-spot fast search is convenient and swift.
Summary of the invention
For overcoming existing material evidence instrument to find the deficiency in efficiency and separating capacity at effective excitation wavelength, material evidence, the main purpose of the present invention designs a kind of super-high-power LED material evidence exactly and finds instrument, improves material evidence discovery rate and separating capacity.
Super-high-power LED material evidence finds instrument, is connected by power line 3 including illumination apparatus 1 and electronic box 2 two large divisions, illumination apparatus and electronic box, and electronic box 2 is powered for illumination apparatus 1 by power line 3, and illumination apparatus 1 is the light output component that super-high-power LED material evidence of the present invention finds instrument.
Preferably, described illumination apparatus includes LED light source, Fresnel Lenses, protection window, radiator, handle and cover assembly.
Preferably, described LED light source is arranged on a heat sink, is provided with conducting strip between LED light source and radiator, and radiator is at passive heat radiation or active heat removal MODE of operation.
Preferably, described LED light source is single-chip or multichip packaging structure.
Preferably, described Fresnel Lenses is arranged on dead ahead a distance of LED light source.
Preferably, described protection window is the flat board of plating bandpass film, or the not conventional clear glass of plated film or plastic material.
Preferably, described cover assembly adopts light absorbent or carries out blackening process.
Accompanying drawing illustrates:
Fig. 1 is that super-high-power LED material evidence of the present invention finds instrument overall structure schematic diagram；
Fig. 2 is that super-high-power LED material evidence of the present invention finds instrument illuminator structure schematic diagram；
Fig. 3 is that super-high-power LED material evidence of the present invention finds instrument electronic box surface structure schematic diagram；
Fig. 4 is that super-high-power LED material evidence of the present invention finds instrument electronic box internal structure schematic diagram；
Main element description of symbols:
1: illumination apparatus；
11:LED light source, 12: Fresnel Lenses, 13: protection window, 14: radiator, 15: handle, 16: cover assembly；
2: electronic box；
21: Switching Power Supply, 22: panel, 23: drive plate, 24: radiator fan, 25: clamshell, 26: connector, 27: socket 28: handle；
3: power line.
Detailed description of the invention:
By the examples below, and in conjunction with accompanying drawing, technical scheme is specifically described.
Fig. 1 is that super-high-power LED material evidence of the present invention finds instrument overall structure schematic diagram.Illumination apparatus 1 is work portion, the hand-held handle 15 of operator, and alignment target target surface irradiates and carries out operation, and electronic box 2 is power suppling part, and civil power is converted to the work of LED constant current electric drive LED light source.Illumination apparatus 1 is connected by power line 3 with electronic box 2.
Fig. 2 is that super-high-power LED material evidence of the present invention finds instrument illuminator structure schematic diagram, the composition such as including LED light source 11, Fresnel Lenses 12, protection window 13, radiator 14, handle 15 and cover assembly 16.Described LED light source is single-chip package or multi-chip package, to realize high-luminance light output.Described LED light source 11 is arranged on radiator 14, is provided with conducting strip between LED light source 11 and radiator 14, and radiator, at passive heat radiation or active heat removal MODE of operation, does not have radiator fan, needs radiator fan under active heat removal pattern under Passive Mode.LED light source 11 dead ahead a distance is provided with Fresnel Lenses 12; Fresnel Lenses 12 has compression light angle and realizes the effect of light uniformization outgoing; namely the light that LED light source 11 sends; after Fresnel Lenses 12; form the light beam of certain angle of divergence, project to target target surface through overprotection window 13.Protection window 13 can be the flat board of plating bandpass film, only allows the light of the special wave band of certain bandwidth to pass through, it is also possible to for conventional clear glass or the moulding material of not plated film.Being provided with electric source line interface bottom handle 15, cover assembly 16 plays a protective role.The internal blackening process that carries out of described cover assembly 16, or adopt light absorbent, to reduce veiling glare, it is thus achieved that high-quality light exports.
Fig. 3 is that super-high-power LED material evidence of the present invention finds instrument electronic box surface structure schematic diagram, and wherein socket 27 is power input part, connects common civil power, connector 26 is power output part, connect power line 3 to power to LED light source 11, socket 27 is provided with switch, it is possible to achieve power supply is turned on or off.It is internal that all parts are respectively positioned on case 25, and realizes carrying easily at the handle 28 that can pass through case 25 surface.
Fig. 4 is that super-high-power LED material evidence of the present invention finds instrument electronic box internal structure schematic diagram, electric main is converted to unidirectional current by Switching Power Supply 21, jointly power for LED light source 11 with driving plate 23, panel 22 realizes some row functions such as electric current adjustment, this schematic diagram is equipped with radiator fan 24, fan can not also be equipped with, with chamber work of passively dispelling the heat.
Embodiments above is only for illustrating the technology of the present invention design and feature; its object is to allow person skilled in the art understand present disclosure and to be carried out; can not limit the scope of the invention with this, all according to spirit of the invention do etc. little change or modification be encompassed by protection scope of the present invention.
Claims (7)
1. super-high-power LED material evidence finds instrument, it is characterized in that, this instrument is included illumination apparatus 1 and electronic box 2 two large divisions, illumination apparatus and electronic box and is connected by power line 3, electronic box 2 is powered for illumination apparatus 1 by power line 3, and illumination apparatus 1 is the light output component that super-high-power LED material evidence of the present invention finds instrument.
2. super-high-power LED material evidence according to claim 1 finds instrument, it is characterised in that: described illumination apparatus includes LED light source, Fresnel Lenses, protection window, radiator, handle and cover assembly.
3. super-high-power LED material evidence according to claim 2 finds the illumination apparatus of instrument, it is characterised in that: described LED light source is arranged on a heat sink, is provided with conducting strip between LED light source and radiator, and radiator is at passive heat radiation or active heat removal MODE of operation.
4. super-high-power LED material evidence according to claim 2 finds the illumination apparatus of instrument, it is characterised in that: described LED light source is single-chip or multichip packaging structure.
5. super-high-power LED material evidence according to claim 2 finds the illumination apparatus of instrument, it is characterised in that: described Fresnel Lenses is arranged on dead ahead a distance of LED light source.
6. super-high-power LED material evidence according to claim 2 finds the illumination apparatus of instrument, it is characterised in that: described protection window is the flat board of plating bandpass film, or the not conventional clear glass of plated film or plastic material.
7. super-high-power LED material evidence according to claim 2 finds the illumination apparatus of instrument, it is characterised in that: described cover assembly adopts light absorbent or carries out blackening process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780714.9A CN105757629A (en) | 2014-12-17 | 2014-12-17 | Ultra-power LED physical evidence discovery instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780714.9A CN105757629A (en) | 2014-12-17 | 2014-12-17 | Ultra-power LED physical evidence discovery instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105757629A true CN105757629A (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410780714.9A Pending CN105757629A (en) | 2014-12-17 | 2014-12-17 | Ultra-power LED physical evidence discovery instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN105757629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037840A (en) * | 2017-01-13 | 2017-08-11 | 广州腾德同普光电科技有限公司 | Device is found based on APC and the laser semiconductor material evidence of constant temperature intelligent control |
| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195680Y (en) * | 1994-04-09 | 1995-04-26 | 江苏省公安厅刑事科学技术研究所 | Portable inspection lamp |
| US20020126287A1 (en) * | 2000-12-29 | 2002-09-12 | Ge Peng | Ruggedized forensic light source |
| US20040119975A1 (en) * | 2002-12-20 | 2004-06-24 | Cao Group Inc | Method for detecting forensic evidence |
| US20050254237A1 (en) * | 2004-05-13 | 2005-11-17 | Gunther Nath | Portable forensic lighting device |
| CN200961793Y (en) * | 2006-08-22 | 2007-10-17 | 张华强 | Portable special light emitter |
| CN204301016U (en) * | 2014-12-17 | 2015-04-29 | 苏州科医世凯半导体技术有限责任公司 | Super-high-power LED material evidence finds instrument |
-
2014
- 2014-12-17 CN CN201410780714.9A patent/CN105757629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195680Y (en) * | 1994-04-09 | 1995-04-26 | 江苏省公安厅刑事科学技术研究所 | Portable inspection lamp |
| US20020126287A1 (en) * | 2000-12-29 | 2002-09-12 | Ge Peng | Ruggedized forensic light source |
| US20040119975A1 (en) * | 2002-12-20 | 2004-06-24 | Cao Group Inc | Method for detecting forensic evidence |
| US20050254237A1 (en) * | 2004-05-13 | 2005-11-17 | Gunther Nath | Portable forensic lighting device |
| CN200961793Y (en) * | 2006-08-22 | 2007-10-17 | 张华强 | Portable special light emitter |
| CN204301016U (en) * | 2014-12-17 | 2015-04-29 | 苏州科医世凯半导体技术有限责任公司 | Super-high-power LED material evidence finds instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037840A (en) * | 2017-01-13 | 2017-08-11 | 广州腾德同普光电科技有限公司 | Device is found based on APC and the laser semiconductor material evidence of constant temperature intelligent control |
| CN107037840B (en) * | 2017-01-13 | 2020-04-21 | 广东腾德同普科技股份有限公司 | Laser semiconductor material evidence discovery device based on APC and constant temperature intelligent control |
| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
| CN107401690B (en) * | 2017-07-24 | 2020-06-30 | 广州腾德同普光电科技有限公司 | Light source module and footprint search apparatus |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160713 |