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CN201637978U - Ultraviolet light-source irradiator of material evidence camera - Google Patents

Ultraviolet light-source irradiator of material evidence camera Download PDF

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Publication number
CN201637978U
CN201637978U CN2010201469080U CN201020146908U CN201637978U CN 201637978 U CN201637978 U CN 201637978U CN 2010201469080 U CN2010201469080 U CN 2010201469080U CN 201020146908 U CN201020146908 U CN 201020146908U CN 201637978 U CN201637978 U CN 201637978U
Authority
CN
China
Prior art keywords
camera
material evidence
source irradiation
reflector
ultraviolet light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010201469080U
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Chinese (zh)
Inventor
徐宝桢
蔡能斌
陈连康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evidence Identification Center Of Shanghai Public Security Bureau
SHANGHAI HENGGUANG POLICE EQUIPMENT CO Ltd
Original Assignee
Evidence Identification Center Of Shanghai Public Security Bureau
SHANGHAI HENGGUANG POLICE EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evidence Identification Center Of Shanghai Public Security Bureau, SHANGHAI HENGGUANG POLICE EQUIPMENT CO Ltd filed Critical Evidence Identification Center Of Shanghai Public Security Bureau
Priority to CN2010201469080U priority Critical patent/CN201637978U/en
Application granted granted Critical
Publication of CN201637978U publication Critical patent/CN201637978U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an ultraviolet light-source irradiator of a material evidence camera, which pertains to a light-source irradiator and solves the problems that the ultraviolet light-source irradiator of the existing material evidence camera has inconvenience for use, and long-time scattered ultraviolet light from the light source is not beneficial to environment protection, thus influencing the image display definition. The ultraviolet light-source irradiator is provided with a camera connector which is connected with the material evidence camera, thus leading the ultraviolet light source irradiator to be fixed in front of the lens of the material evidence camera; and in addition, an ultraviolet lamp tube adopts a multi-layer superposing structure. When the ultraviolet light-source irradiator of the material evidence camera is used for shooting and obtaining evidence, the use is convenient, and the evidence obtaining efficiency is improved; the ultraviolet light source does not leak or has less leakage, thus being beneficial to environment protection and the health of workers; in the shooting process, the irradiation of the light source is stable, and the ultraviolet lamp tube with the multi-layer superposing structure irradiates ultraviolet light on deep and shallow positions of the shot trace uniformly, thus improving the image display definition of trace evidence, and being beneficial to improving the evidence obtaining quality and case handling quality.

Description

Material evidence camera ultraviolet source irradiation device
Technical field
The utility model relates to a kind of light irradiation device, refers in particular to the ultraviolet source irradiation device that uses in a kind of material evidence camera.
Background technology
The material evidence camera is that departments such as public security organs, procuratorial organs and people's court, department collect evidence further to carry out the visual plant that vestige is identified to material evidence.This photograph function is collected evidence to vestiges such as fingerprint, impressions, provides foundation for solving a case, deciding on a verdict, so the material evidence camera plays an important role to the trial work of case such as criminal, civil.
Camera is to be difficult to take the photograph into the visual photo of human eye for potential vestige, therefore, must be equipped with the ultraviolet source of 254nm when vestige being collected evidence as the material evidence camera, potential vestige effectively excites vestige (fingerprint, impression etc.) fluorescence under the irradiation of the ultraviolet source of this 254nm, make the material evidence camera take out the visual photo of human eye, so that this potential vestige is identified.
The ultraviolet source irradiation device and the camera that use in the existing material evidence camera are separated structures, if at indoor use material evidence camera, generally the ultraviolet source irradiation device is installed in (as the desk lamp style) on the support, make finger mark etc. by best angle material evidence is clear to manifest, the staff makes a video recording to this material evidence then; If in flagrant delict use the material evidence camera, because the environment of crime scene is generally all relatively poor, can only guide and support this ultraviolet source irradiation device by the staff, make finger mark etc. by best angle material evidence is clear to manifest, by the another side staff this material evidence be made a video recording then.There are many shortcomings in this ultraviolet source irradiation device and camera separated structures:
1, use inconvenience, and need several staff's evidence obtainings, influenced evidence obtaining efficient;
2, the ultraviolet source of 254nm is harmful to health, and ultraviolet source is scattered in the spacial influence environmental protection for a long time and endangers the healthy of staff;
3, the position between light irradiation device and the camera is unfixing, the irradiation instability of light source in the shooting process, thus influencing the sharpness that imaging shows, the efficient that causes collecting evidence is not high and the evidence obtaining quality is unreliable, has directly influenced the working quality of case handling of relevant department.
In addition, the ultraviolet source irradiation device that uses in the present material evidence camera all is made up of a ultraviolet lamp tube, and the vestige of being collected evidence is made up of the striped of depth inequality often, the light source that the light source that ultraviolet lamp tube sends is quite sent by a plane, the light source that send on this plane is radiated at the real depth degree that the vestige fluorescence that inspires on the striped of depth inequality obviously can not truly reflect this vestige simultaneously, and this quality that also can cause collecting evidence is unreliable.
The utility model content
The purpose of this utility model is in order to solve the problem that prior art exists, a kind of easy to use and only staff's evidence obtaining of need is provided, ultraviolet source is not revealed, and helps environmental protection, and can improve the material evidence camera ultraviolet source irradiation device of material evidence camera imaging display resolution.
The purpose of this utility model is achieved through the following technical solutions:
A kind of material evidence camera ultraviolet source irradiation device, structure is:
Shell body 10 is pipes, and both ends open, an end are shell light source irradiation mouth 11, and the other end is a shell tail end 12;
Reflector 40 places in the described shell body 10, and both ends open, an end are reflector light source irradiation mouth 41, and the other end is a bowl end 42, compresses with trim ring 120 between reflector light source irradiation mouth 41 and the described shell light source irradiation mouth 11 to be connected, and forms the light source irradiation mouth jointly.A snap ring 43 is fixed in 42 positions at the bottom of reflector 40 inner distance bowls;
Inner housing 50 places in the described shell body 10, is pipe, and its front end 51 protrudes from described snap ring 43, and rear end 52 protrudes from described shell tail end 12, and the convex section of this rear end 52 is a camera connector 53, and 42 are connected on the described inner housing 50 at the bottom of the described reflector bowl;
Shell bonnet 80 is ring covers that lid places the shell tail end 12 of shell body 10.
Ultraviolet lamp tube 100, send the fluorescent tube of 254nm ultraviolet source, form by loop pipe 101, it is made up of 2 layers of loop pipe stack that comprise bottom tube 101 at least, has several pipelines 103 to be communicated with the diameter maximum of bottom tube 101 between two loop pipes of adjacent stack, the loop pipe diameter that up superposes from bottom tube 101 beginnings reduces successively, bottom tube 101 is provided with two pin end, and each pin end is drawn pin 104, and described bottom tube 101 is placed at in the described reflector 40 the snap ring 43 and bowl end 42;
Handle 20, one ends are fixed on the shell body 10, and the other end is an openend;
Handle cover 30, lid places the openend of described handle 20;
Electric battery 110 is installed in the described handle 30;
Switch 70 is installed on the outer wall of described handle 30;
Electric ballast 60 is installed between described shell body 10 and the inner housing 50, and is fixed at the bowl end 42 of described reflector 40;
In parallel with two input ends of described electric ballast 60 after described electric battery 110 is connected with described switch 70, two output terminals of electric ballast 60 connect the pin one 04 at ultraviolet lamp tube 100 two ends respectively;
Described shell body 10 and inner housing 50 all adopt aluminium alloy.
Described reflector 40 adopts aluminium platinum reflector.
The outer wall of described camera connector 53 is the helicitic texture that is spirally connected with material evidence camera screw socket.
Front end 51 inwalls of described inner housing 50 are equipped with helicitic texture, interior dress optical filter 120.
Be provided with several support bars 105 between two loop pipes of adjacent stack in the described ultraviolet lamp tube 100.
Described electric battery 110 is the 12V rechargeable battery.
A charging socket 90 also is installed on the described shell body 10, and described charging socket 90 is parallel to the two ends of described electric battery 110.
The beneficial effects of the utility model:
The utility model is owing to before being fixed on the camera lens of material evidence camera with the ultraviolet source irradiation device, and ultraviolet lamp tube is again the multilayer overlaying structure, and following effect is just arranged when using this material evidence camera shooting evidence obtaining:
1, only need a staff carry out camera shooting evidence-obtaining, aim at vestige being shot as long as will be fixed with the camera lens of ultraviolet source irradiation device during shooting, just can carry out camera shooting evidence-obtaining, very easy to use, improved evidence obtaining efficient;
2, during use, on vestige being shot, ultraviolet source is not revealed or few the leakage light source irradiation flap of ultraviolet source irradiation device, help environmental protection, help staff's health;
3, stationkeeping between light irradiation device and the camera, the irradiation of light source is stable in the shooting process, in addition, the ultraviolet lamp tube of multilayer overlaying structure is radiated at ultraviolet source on the depth position of vestige being shot equably, thereby improved the sharpness that the trace evidence imaging shows, improved the evidence obtaining quality, improved working quality of case handling.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 is a material evidence instrument camera ultraviolet source irradiation device structural representation of the present utility model;
Fig. 2 is the structural representation of ultraviolet lamp tube embodiment of the present utility model;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is an electrical block diagram of the present utility model.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to embodiment of the present utility model.
Referring to Fig. 1, as shown in the figure, the structure of this ultraviolet source irradiation device is as follows:
Shell body 10 is pipes, adopts aluminium alloy, and both ends open, an end are shell light source irradiation mouth 11, and the other end is a shell tail end 12.For making good looking appearance, the integral structure that present embodiment shell body 10 is made up of the pipe of more piece different-diameter, example adopts by big pipe 16, roundlet pipe 14 and is connected in the integral structure that the tapered tube 15 between big pipe 16 and the roundlet pipe 14 is formed.
Reflector 40 places in the shell body 10, adopts the aluminium platinum reflector of both ends open, one end is a reflector light source irradiation mouth 41, the other end is a bowl end 42, compresses with trim ring 120 between reflector light source irradiation mouth 41 and the described shell light source irradiation mouth 11 to be connected, and forms the light source irradiation mouth jointly.A snap ring 43 is fixed at b place, 42 position at the bottom of reflector 40 inner distance bowls.
Inner housing 50, place in the shell body 10, be pipe, adopt aluminium alloy, an end is a front end 51, the other end is rear end 52, its front end 51 protrudes from snap ring 43, and rear end 52 protrudes from described shell tail end 12 (seeing the d distance among Fig. 1), and the convex section of this rear end 52 is a camera connector 53, the outer wall of camera connector 53 is the helicitic texture that is spirally connected with material evidence camera screw socket, and 42 are connected on the inner housing 50 at the bottom of the described reflector bowl.Front end 51 inwalls at inner housing 50 are equipped with helicitic texture, are used to install optical filter 120.
Shell bonnet 80 is ring covers that lid places the shell tail end 12 of shell body 10.
Ultraviolet lamp tube 100, send the fluorescent tube of 254nm ultraviolet source, as Fig. 2, shown in Figure 3, it forms (present embodiment adopts 2 loop pipes 101,102) by at least 2 layers of loop pipe stack that comprise bottom tube 101, there are several pipelines 103 to be communicated with between two loop pipes of adjacent stack, the diameter maximum of bottom tube 101, the loop pipe diameter that begins up to superpose from bottom tube reduces successively, bottom tube 101 is provided with two pin end, each pin end is drawn pin 104, and the bottom tube 101 of described ultraviolet lamp tube 100 is placed at in the described reflector 40 the snap ring 43 and described bowl of end 42.Be the strength of joint between two loop pipes strengthening adjacent stack, between two loop pipes of adjacent stack, be provided with several support bars 105.
Handle 20, one ends are fixed on the shell body 10, and the other end is an openend.
Handle cover 30, lid places the openend of handle 20.
Electric battery 110 is made up of rechargeable battery, is installed in the handle 30, and the electric battery 110 of present embodiment is 12V.
Switch 70 is installed on the outer wall of handle 30.
Electric ballast 60 is installed between shell body 10 and the inner housing 50, and is fixed at the bottom of 40 bowls of the reflectors 42, and the electric ballast 60 of present embodiment adopts the HG1-16 ballast resistors.
Charging socket 90 is installed on the shell body 10.
As shown in Figure 4, circuit structure of the present utility model is: in parallel with two input ends of electric ballast 60 after described electric battery 110 is connected with switch 70, two output terminals of electric ballast 60 connect the pin one 04 at ultraviolet lamp tube 100 two ends respectively.Described charging socket 90 is in parallel with the two ends of electric battery 110.
Camera connector 53 with ultraviolet source irradiation device of the present utility model during use is screwed together on the camera, before making its camera lens that is fixed on the material evidence camera, the light source irradiation mouth of ultraviolet source irradiation device is aimed at material evidence being shot (vestige), and it is covered in, open switch 70 then, make ultraviolet lamp tube 100 send the 254nm ultraviolet source, utilize the material evidence camera that vestige is carried out camera shooting evidence-obtaining then.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the purpose of this utility model, and be not with opposing qualification of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.

Claims (8)

1. material evidence camera ultraviolet source irradiation device is characterized in that structure is:
Shell body (10) is a pipe, and both ends open, an end are shell light source irradiation mouth (11), and the other end is shell tail end (12);
Reflector (40), place in the described shell body (10), both ends open, one end is a reflector light source irradiation mouth (41), the other end is the bowl end (42), compress with trim ring (120) between reflector light source irradiation mouth (41) and the described shell light source irradiation mouth (11) and be connected, form the light source irradiation mouth jointly; A snap ring (43) is fixed in (42) position at the bottom of reflector (40) inner distance bowl;
Inner housing (50), place in the described shell body (10), it is pipe, its front end (51) protrudes from described snap ring (43), rear end (52) protrudes from described shell tail end (12), the convex section of this rear end (52) is camera connector (53), and (42) are connected on the described inner housing (50) at the bottom of the described reflector bowl;
Shell bonnet (80) is the ring cover that lid places the shell tail end (12) of shell body (10);
Ultraviolet lamp tube (100), send the fluorescent tube of 254nm ultraviolet source, it is made up of 2 layers of loop pipe stack that comprise bottom tube (101) at least, there are several pipelines (103) to be communicated with between two loop pipes of adjacent stack, the diameter maximum of bottom tube (101), the loop pipe diameter that up superposes from bottom tube (101) beginning reduces successively, bottom tube (101) is provided with two pin end, each pin end is drawn pin (104), and described bottom tube (101) is placed between interior snap ring (43) of described reflector (40) and the bowl end (42);
Handle (20), an end are fixed on the shell body (10), and the other end is an openend;
Handle cover (30), lid places the openend of described handle 20;
Electric battery (110) is installed in the described handle (30);
Switch (70) is installed on the outer wall of described handle (30);
Electric ballast (60) is installed between described shell body (10) and the inner housing 50, and is fixed at the bowl end (42) of described reflector (40);
In parallel with two input ends of described electric ballast (60) after described electric battery (110) is connected with described switch (70), two output terminals of electric ballast (60) connect the pin (104) at ultraviolet lamp tube (100) two ends respectively.
2. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
Described shell body (10) and inner housing (50) all adopt aluminium alloy.
3. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
Described reflector (40) adopts aluminium platinum reflector.
4. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
The outer wall of described camera connector (53) is the helicitic texture that is spirally connected with material evidence camera screw socket.
5. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
Front end (51) inwall of described inner housing (50) is equipped with helicitic texture, interior dress optical filter (120).
6. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
Be provided with several support bars (105) between two loop pipes of adjacent stack in the described ultraviolet lamp tube (100).
7. material evidence camera ultraviolet source irradiation device as claimed in claim 1 is characterized in that:
Described electric battery (110) is the 12V rechargeable battery.
8. as claim 1 or 7 described material evidence camera ultraviolet source irradiation devices, it is characterized in that:
A charging socket (90) also is installed on the described shell body (10), and described charging socket (90) is parallel to the two ends of described electric battery (110).
CN2010201469080U 2010-03-31 2010-03-31 Ultraviolet light-source irradiator of material evidence camera Expired - Lifetime CN201637978U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201469080U CN201637978U (en) 2010-03-31 2010-03-31 Ultraviolet light-source irradiator of material evidence camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201469080U CN201637978U (en) 2010-03-31 2010-03-31 Ultraviolet light-source irradiator of material evidence camera

Publications (1)

Publication Number Publication Date
CN201637978U true CN201637978U (en) 2010-11-17

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Application Number Title Priority Date Filing Date
CN2010201469080U Expired - Lifetime CN201637978U (en) 2010-03-31 2010-03-31 Ultraviolet light-source irradiator of material evidence camera

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207659A (en) * 2010-03-31 2011-10-05 上海恒光警用器材有限公司 UV light source irradiation device of physical evidence camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207659A (en) * 2010-03-31 2011-10-05 上海恒光警用器材有限公司 UV light source irradiation device of physical evidence camera
CN102207659B (en) * 2010-03-31 2012-12-26 上海恒光警用器材有限公司 UV light source irradiation device of physical evidence camera

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101117

Effective date of abandoning: 20130306

RGAV Abandon patent right to avoid regrant