CN211669482U - Multifunctional complex background fingerprint extraction equipment - Google Patents
Multifunctional complex background fingerprint extraction equipment Download PDFInfo
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- CN211669482U CN211669482U CN202020398261.4U CN202020398261U CN211669482U CN 211669482 U CN211669482 U CN 211669482U CN 202020398261 U CN202020398261 U CN 202020398261U CN 211669482 U CN211669482 U CN 211669482U
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- lamp
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- background fingerprint
- complex background
- light
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Abstract
The utility model discloses a multi-functional complicated background fingerprint draws equipment, including a camera switching section of thick bamboo, main part shell and darkroom, PCBA board, battery, radiator fan, heat dissipation needle, light screen, heating panel and lamp plate fixed plate have set gradually between main part shell and the darkroom, the PCBA board is located the battery top, the radiator needle is located the heating panel top, radiator fan is located heating panel one side, the light screen is located the heating panel opposite side, the utility model relates to a photoelectric instrument technical field. This equipment is drawed to multi-functional complicated background fingerprint can be so that illumination intensity is stronger, and the luminosity is purer, reduces the miscellaneous light of instrument in the extraction process, and then can make the definition stronger, makes things convenient for the work of drawing of fingerprint, can promote the heat dispersion of instrument simultaneously, and the high temperature of avoiding long-time work to produce can influence the stability of instrument itself, and is small, light weight is low, makes things convenient for staff's carrying, the field usage of being convenient for.
Description
Technical Field
The utility model relates to a photoelectric instrument technical field specifically is a multi-functional complicated background fingerprint draws equipment.
Background
The material evidence searching and finding instrument is important equipment for public, inspection, law, department and other departments to search and find material evidence traces on site, and the uniform-light flashlight material evidence searching and finding instrument uses an LED as an excitation light source, induces the trace material evidence to emit light by utilizing the characteristics of high brightness, good monochromaticity and the like of the LED, and is particularly suitable for various material evidence searching and fingerprint nondestructive inspection on public security sites. Nondestructive testing of various biological traces, such as searching and finding of biological detection materials such as seminal spots, vaginal secretions, saliva, bloodstains, urine stains, bone and tooth fragments and the like on a case site; the fingerprint fingerprints on partial objects, such as fingerprints and palm print traces on the surfaces of semi-permeable objects such as walls and packing boxes in case sites, can be directly displayed without damage; nondestructive examination shows through indene diketone, ninhydrin or 502 glue or shows through sweat fingerprint of fumigation treatment, and the fluorescent powder shows through fingerprint; checking extravasated blood and bite marks after human body injury; the inspection is to inspect the gunshot or explosive residues, search and find substances such as suspicious fibers on site and the like.
The existing complex background fingerprint extraction system has the defects that when physical evidence is found, the definition is not enough due to the complex background of complex background light with color and insufficient illumination intensity, fingerprints are difficult to extract, the light-emitting purity is not high, the amount of stray light is large, and photographing is inconvenient; secondly, the instrument is large in size and weight, the high heat generated by the LED is high, and the high temperature generated by long-time operation can influence the stability of the instrument, so that the complex background fingerprint extraction system takes the importance of the heat dissipation function into consideration during design, the heat dissipation performance is increased by generally adopting a large-space machine body shell structure, and the exploration instrument designed in the way is large in size and weight, inconvenient to carry and inconvenient to use on site.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a multi-functional complicated background fingerprint draws equipment has solved current complicated background fingerprint and has drawn the problem that equipment light degree of consistency is not high, the definition is not good, heat dispersion is poor and inconvenient carrying.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multi-functional complicated background fingerprint draws equipment, includes a camera switching section of thick bamboo, main part shell and darkroom, PCBA board, battery, radiator fan, heat dissipation needle, light screen, heating panel and lamp plate fixed plate have set gradually between main part shell and the darkroom, the PCBA board is located the battery top, the heat dissipation needle is located the heating panel top, radiator fan is located heating panel one side, the light screen is located the heating panel opposite side, white light lamp and infrared lamp are installed to lamp plate fixed plate outer wall below, and the white light lamp is located infrared lamp one side.
Preferably, the darkroom comprises a middle shell, a lamp cover and a shading cylinder, wherein the lamp cover is positioned between the middle shell and the shading cylinder, and the middle shell and the shading cylinder are connected through threads.
Preferably, a charging interface is installed on one side above the main body shell.
Preferably, the white light lamps are provided with 2, and the infrared lamps are provided with 14.
Preferably, the white light lamp and the infrared lamp are connected with the lamp panel fixing plate through screws.
Advantageous effects
The utility model provides a multi-functional complicated background fingerprint draws equipment. The method has the following beneficial effects:
(1) according to the multifunctional complex background fingerprint extraction equipment, the white light lamp and the infrared lamp are arranged below the outer wall of the lamp panel fixing plate, the white light lamp is set to have power of 2 70W, and the infrared lamp is set to have high power of 14 5W980nm, so that the illumination intensity is stronger, the light output is purer, the stray light of the instrument in the extraction process is effectively reduced, the definition is stronger, and the fingerprint extraction work is greatly facilitated; through utilizing radiator fan, heat dissipation needle, light screen, cooperation between the heating panel to use, the heat that gives off when can be with LED lamp work in time gives off, the high temperature of avoiding long-time operation to produce can influence the stability of instrument itself for complicated background fingerprint draws heat dispersion that equipment was drawed better, the radiating rate is faster, this equipment is drawed to multi-functional complicated background fingerprint, and is small, light in weight, very big having made things convenient for staff's carrying, convenient to use in the field.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a camera transfer cylinder; 2. a main body case; 3. a darkroom; 4. PCBA board; 5. a battery; 6. a heat radiation fan; 7. a heat dissipation needle; 8. a visor; 9. a heat dissipation plate; 10. a lamp panel fixing plate; 11. a white light lamp; 12. an infrared lamp; 13. a middle shell; 14. a lamp cover; 15. a shading cylinder; 16. a charging interface; 17. (ii) a 18. (ii) a 19. (ii) a 20. (ii) a 21. In that respect
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-1, the present invention provides a technical solution: a multifunctional complicated background fingerprint extraction device comprises a camera adapter cylinder 1, a main body shell 2 and a darkroom 3, wherein a PCBA board 4, a battery 5, a heat dissipation fan 6, a heat dissipation pin 7, a shading plate 8, a heat dissipation plate 9 and a lamp plate fixing plate 10 are sequentially arranged between the main body shell 2 and the darkroom 3, the PCBA board 4 is positioned above the battery 5, the heat dissipation pin 7 is positioned above the heat dissipation plate 9, the heat dissipation fan 6 is positioned on one side of the heat dissipation plate 9, the shading plate 8 is positioned on the other side of the heat dissipation plate 9, a white light lamp 11 and an infrared lamp 12 are arranged below the outer wall of the lamp plate fixing plate 10, the white light lamp 11 is positioned on one side of the infrared lamp 12, the darkroom 3 comprises a middle shell 13, a lamp cover 14 and a shading cylinder 15, the lamp cover 14 is positioned between the middle shell 13 and the shading cylinder 15, the middle shell 13 is connected with the shading cylinder 15 through threads, a charging interface 16 is arranged, the white light lamp 11, the infrared lamp 12 and the lamp panel fixing plate 10 are connected through screws, the main body shell 2 and the middle shell 13 are connected through threads, the heat dissipation pins 7 are distributed in an annular array, when the LED light source is used, the white light lamp 11 and the infrared lamp 12 are installed below the outer wall of the lamp panel fixing plate 10, the white light lamp 11 is set to have power of 2 pieces of 70W, and the infrared lamp 12 is set to have high power of 14 pieces of 5W980nm, so that the illumination intensity is stronger, the light-emitting degree is purer, the veiling glare in the extraction process is effectively reduced, the definition is stronger, and the fingerprint extraction work is greatly facilitated; through utilizing radiator fan, heat dissipation needle, light screen, cooperation between the heating panel to use, can in time give off the heat that gives off when the LED lamp is worked, the high temperature of avoiding long-time operation to produce can influence the stability of instrument itself for complicated background fingerprint draws heat dispersion of equipment better, the radiating rate is fast, this equipment is drawn to multi-functional complicated background fingerprint, and is small, light weight is low, very big having made things convenient for staff's carrying, convenient to use.
During operation, weld high-power infrared lamp pearl 12 and white light lamp 11 on aluminium base board earlier, the interface 16 that will charge again fixes on main body shell 2, then fix battery 5 on PCBA board 4 and fix PCBA board 4 to main body shell 2, fix heat dissipation needle 7 on heating panel 9 simultaneously, then fix 980nm infrared lamp 12 and white light lamp 11 on lamp plate fixed plate 10 after again with lamp plate fixed plate 10 on heating panel 9, fix heating panel 9 again on main body shell 2 with middle-sized housing 13 afterwards, lamp lid 14 and shading cylinder 15 are fixed in proper order, can accomplish the installation on fixing main body shell 2 with camera switching cylinder 1 at last.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a multi-functional complicated background fingerprint draws equipment, includes camera switching section of thick bamboo (1), main part shell (2) and darkroom (3), its characterized in that: PCBA board (4), battery (5), radiator fan (6), heat dissipation needle (7), light screen (8), heating panel (9) and lamp plate fixed plate (10) have set gradually between main part shell (2) and darkroom (3), PCBA board (4) are located battery (5) top, heat dissipation needle (7) are located heating panel (9) top, radiator fan (6) are located heating panel (9) one side, light screen (8) are located heating panel (9) opposite side, white light lamp (11) and infrared lamp (12) are installed to lamp plate fixed plate (10) outer wall below, and white light lamp (11) are located infrared lamp (12) one side.
2. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: the darkroom (3) comprises a middle shell (13), a lamp cover (14) and a light shielding cylinder (15), the lamp cover (14) is positioned between the middle shell (13) and the light shielding cylinder (15), and the middle shell (13) is connected with the light shielding cylinder (15) through threads.
3. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: and a charging interface (16) is installed on one side above the main body shell (2).
4. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: the white light lamps (11) are provided with 2, and the infrared lamps (12) are provided with 14.
5. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: the white light lamp (11), the infrared lamp (12) and the lamp panel fixing plate (10) are connected through screws.
6. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: the main body shell (2) is connected with the middle shell (13) through threads.
7. The multifunctional complex background fingerprint extraction device according to claim 1, wherein: the heat dissipation needles (7) are distributed in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398261.4U CN211669482U (en) | 2020-03-25 | 2020-03-25 | Multifunctional complex background fingerprint extraction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398261.4U CN211669482U (en) | 2020-03-25 | 2020-03-25 | Multifunctional complex background fingerprint extraction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211669482U true CN211669482U (en) | 2020-10-13 |
Family
ID=72742856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020398261.4U Expired - Fee Related CN211669482U (en) | 2020-03-25 | 2020-03-25 | Multifunctional complex background fingerprint extraction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211669482U (en) |
-
2020
- 2020-03-25 CN CN202020398261.4U patent/CN211669482U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |