CN108287163A - Trace material evidence scene quickly finds instrument - Google Patents
Trace material evidence scene quickly finds instrument Download PDFInfo
- Publication number
- CN108287163A CN108287163A CN201810280976.7A CN201810280976A CN108287163A CN 108287163 A CN108287163 A CN 108287163A CN 201810280976 A CN201810280976 A CN 201810280976A CN 108287163 A CN108287163 A CN 108287163A
- Authority
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- China
- Prior art keywords
- filter
- material evidence
- gun stock
- tubular shell
- trace material
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Telescopes (AREA)
Abstract
Trace material evidence scene quickly finds instrument, including the hand-held part of the photographic device on top and lower part；The top photographic device includes tubular shell, and back shroud is equipped on rear side of tubular shell, is equipped with battery pack on the inside of back shroud, battery pack is fixed on by battery fixing piece in tubular shell；Connecting seat is installed inside tubular shell, connecting seat is equipped with digital camera, digital camera front is equipped with camera lens, the camera lens front is equipped with the second filter seat, the LED lamp panel of second filter seat periphery installation annular, second filter locating ring is installed inside the second filter seat, the second filter is fixedly mounted in the second filter locating ring.It is an advantage of the invention that evidence obtaining can be observed or be shot in time to the tiny material evidence found in the case of not by other equipment, realize What You See Is What You Get, the problem of existing equipment cooperation evidence obtaining causes tiny material evidence to be missed or damage is can effectively avoid, to meet the demand that special material evidence needs specific band light source to show.
Description
Technical field
The present invention relates to a kind of evidence taking equipments of department of public security organs, are exactly a kind of trace material evidence scene quickly discoveries
Instrument.
Background technology
Material evidence finds that instrument is the departments such as public security organs, procuratorial organs and people's court search site, finds the important equipment of material evidence trace, existing material evidence
It was found that instrument mostly only provides light source effect, it is also necessary to which other equipment cooperation could carry out evidence obtaining operation to material evidence, and as light source
The visible light that sends out can not simultaneously be handled, and be irradiated in the light source for needing specific band to show that fingerprint etc. can not observe directly
Evidence when seem weak.In view of the functionality of heat dissipation, volume is generally all bigger, not readily portable and onsite application.Separately
Outside, the degree of safety of spot is relatively low, and there is also have certain risk for finder.
Invention content
The purpose of the present invention is to provide a kind of trace material evidence scenes quickly to find instrument, it can put the material evidence searched
It is big to be shown on screen or directly shoot evidence obtaining, because using microtechnic, experimental facilities is allowed to enter scene, reaches raising work
The purpose of efficiency.Also simplify program of handling a case simultaneously, cost of labor is saved, to solve a case time saving while also improving economic effect
Benefit.The wave band for light source of collecting evidence can also be adjusted, convenient for the quick discovery of potential material evidence and trace.Wireless transmission is realized
Scene and command centre's synchronizing information.Quickly to finding that the fingerprint progress of material evidence (fingerprint) and database is right, realization scene is surveyed
Progress synchronous with suspicion identification is examined, to improve case handling efficiency.Instrument internal finned makes gun-type state, reduces body
Product, the operation of easy to carry and single-hand handling ＆.This is the product of a change conventional on-site survey custom, and tradition needs a people
Illumination, a people take pictures evidence obtaining, return to criminal investigation team, after also being arranged to exhibit, send technique of criminal investigation room to test, in handle
Relevant result feeds back to personnel in charge of the case, then does detection work by personnel in charge of the case.Such a flow is got off, and is not only expended
A large amount of manpower and materials are also unfavorable for the expansion of detection work because the period is long.And a kind of trace material evidence scene quickly finds instrument
It is namely based on made of such criminal investigation work requirements research and development.
The technical solution adopted by the present invention to solve the technical problems is：A kind of trace material evidence scene is quick to find instrument, packet
Include the photographic device on top and the hand-held part of lower part；The top photographic device includes tubular shell, is equipped on rear side of tubular shell
Back shroud, back shroud inside are equipped with battery pack, and battery pack is fixed on by battery fixing piece in tubular shell；In tubular shell
Portion is equipped with connecting seat, and connecting seat is equipped with digital camera, and digital camera front is equipped with camera lens, and the camera lens front is equipped with second
Filter seat, the second filter seat periphery install the LED lamp panel of annular, the second filter locating ring are equipped with inside the second filter seat, the
The second filter is fixedly mounted in two filter locating rings；Tubular shell front end is equipped with the first filter frame, pacifies inside the first filter frame
Equipped with the first filter locating ring, interior the first filter for being equipped with annular between the first filter locating ring and the second filter seat, first
Filter and LED lamp panel correspondence；Shielding axis connection by overturning at the top of the tubular shell has screen, screen to pass through circuit and number
Code camera connection, the image for showing digital camera shooting；Battery pack is digital camera, LED lamp panel and screen power supply；It is described
Hand-held part includes being equipped with small of the stock hand.Cooling fin is installed on rear side of the LED lamp panel.The back shroud is equipped with to charge for battery pack
Charging connector, this charging connector has two kinds of AC power interface and USB interface.The hand-held part further includes gun stock sleeve, gun stock
Set is located at below tubular shell, and small of the stock hand is equipped with below gun stock sleeve.The gun stock sleeve rear and front end is equipped with suspender clip.The gun stock
The rear portion of gun stock sleeve is equipped with gun stock；Gun stock sleeve is equipped with rifle drawbar button, and gun stock sleeve is internally provided with sliding slot 3, and being equipped in gun stock can
The gun stock bar slid back and forth in sliding slot 3, gun stock rod rear end are connect with gun stock, are equipped with locating piece 3 in gun stock bar, on locating piece 3
It is provided with location hole 3, the rifle drawbar button can control the flexible of positioning column 3, enter by rifle drawbar button control positioning column 3
Into location hole 3, the collapsing length of gun stock bar is positioned to realize.The camera lens is microlens.The cylindrical case
Body top is equipped with cover board, and cover board shields axis connection by overturning screen.The small of the stock is equipped with switch button on hand, in tubular shell
Equipped with quick-fried sudden strain of a muscle circuit board, quick-fried sudden strain of a muscle circuit board constitutes flashing light with LED lamp panel.The camera lens is Varifocal zoom lens, which is provided with tune
Burnt gear set.
The positive effect of the present invention is：Trace material evidence scene quickly finds to install microlens and screen on instrument additional, can be with
Evidence obtaining is observed or shot in time to the tiny material evidence found in the case of not by other equipment, realizes that finding is institute
, it can effectively avoid the problem of existing equipment cooperation evidence obtaining causes tiny material evidence to be missed or damage.Divide before camera lens and before light source
Not Zhuan You filter piece to the lighting source of evidence obtaining and the reflected light of camera lens can be entered carry out wave band by replacing different filter
Control, it is ensured that enter the light in camera lens in setting wavelength band, need specific band light source to meet special material evidence
The demand of display.Filter piece is using five colors cut-off light colour filter.Five colors cut-off light colour filter changes light wave, forms multiband light
Source.
Purple 400--432nm, blue 427--475nm, green 485--530nm, yellow 505--555nm, white
6000--6500K.Object is irradiated with the greenish-yellow wave band of the purplish blue of 400-555nm, the yellow orange that object is easy to reflect 500-700nm is red
The fluorescence of fluorescence, especially 500-600nm generates at most, so needing to end light filter, 450nm indigo plant waves with yellow, orange, red three kinds
Section irradiation ends light filter with yellow, and other light match orange or red light cutoff filter.Amber ray filter 500-565nm
（Cut-off light is 500-565nm）, orange filter is（Cut-off light is 565-611nm）, red color filter is（Cut-off light is 611-
700nm）, decaying color filter film be（20% dough softening）.
Cooling fin has been added at the light source position of instrument internal, has ensured to do under the premise of not increasing material evidence and finding instrument volume
Maximum area to minimum space radiates.Device global design is pistol form, is easily carried and single-hand handling ＆ operates.Trace content
Card scene quickly finds instrument using annular LED lamp panel as light source, which is additionally provided with quick-fried sudden strain of a muscle in addition to the effect for providing evidence obtaining light source
Function is controlled by the button switch of small of the stock hand, and inside is additionally provided with alarm system, can be carried out to the emergency case of spot
Reply, ensures the personal safety of searchers.In addition, the discovery instrument can be equipped with wireless transmission and reception device, after networking, a side
The synchronizing information taken can be transferred to the headquarter in a distant place by face, make commanding or expert etc. can remote command evidence obtaining public affairs
Work is demonstrate,proved, the precision and efficiency of evidence obtaining can be greatly improved, can realize to the maximum extent and not omit any subtle link, it is broken to improve
Case rate provides sound assurance；On the other hand, danger existing for evidence obtaining scene can be found at the first time, and for evidence obtaining, personnel provide
It timely and effectively gives first aid to or supports.
Description of the drawings
Fig. 1 is the structural schematic diagram that trace material evidence scene of the present invention quickly finds instrument；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is that the photographic device omits the structural schematic diagram after tubular shell；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the A-A direction views in Fig. 3；
Fig. 6 is the sectional view of hand-held part.
1 tubular shell in figure, 2 gun stock sleeves, 3 small of the stock hands, 4 cover boards, 5 overturning screen axis, 6 screens, 7 gun stocks, 8 gun stock bars, 9 rifles
Pressure pin button, 10 suspender clips, 11 switch buttons, 12 positioning pins, 13 first filter frames, 14 first filter locating rings, 15 first filters
Mirror, 16 second filter seats, 17 second filter locating rings, 18 second filters, 19 connecting seats, 20 digital cameras, 21 battery packs, 22 electricity
Pond fixing piece, 23 back shrouds, 24 loudspeaker, 25 charging connectors, 26 camera lenses, 27 gear sets, 28 cooling fins, 29LED lamp panels, 30 loudspeaker
Hole, 31 charge port cover boards, 32 sliding slots, 33 locating pieces, 34 location holes, 35 positioning columns.
Specific implementation mode
As shown in Figure 1, the trace material evidence scene quickly finds that instrument includes the photographic device on top and the hand-held part of lower part.
The photographic device on the top includes tubular shell 1.
As shown in Figure 1,1 top of tubular shell can be equipped with cover board 4, shielding axis 5 by overturning on cover board 4 is connected with screen 6,
Screen 6 is connect by circuit with digital camera 20, and the image shot for showing digital camera 20, screen 6 is used for instant playback
The material evidence information that digital camera 20 finds and shoots is not required to that by other equipment the search to material evidence and evidence obtaining work can be carried out
Make, avoids the influence that other unnecessary processes generate material evidence.Screen 6 is with 20 circuit connecting mode of digital camera and now
Some digital cameras or DV are identical.When in use, can open screen 6 it is idle when can close screen 6, reduce
The damage to screen 6 is avoided while storage space.
As shown in figure 3, being internally provided with connecting seat 19 in tubular shell 1, connecting seat 19 is equipped with digital camera 20.Digital phase
20 front of machine is equipped with camera lens 26.The camera lens 26 can be Varifocal zoom lens, which is provided with the gear set 27 of focusing.Camera lens 26 is used for
The Real Time Effect data for acquiring material evidence, by being shown on screen 6 after the analyzing processing of digital camera 20.The focusing gear
The focal length of 27 adjustable lens 26 of group, in order to more clearly acquire material evidence information, regulative mode can be existing microscope or
The focusing mode of household telescope.The camera lens 26 is microlens, to shoot tiny material evidence.
26 front of the camera lens is equipped with the second filter seat 16, and the LED lamp panel 29 of annular is installed in 16 periphery of the second filter seat, the
Second filter locating ring 17 is installed inside two filter seats 16, the second filter 18 is fixedly mounted in the second filter locating ring 17；Cylinder
1 front end of shape shell is equipped with the first filter frame 13, and the first filter locating ring 14, the first filter are equipped with inside the first filter frame 13
Be equipped between locating ring 14 and the second filter seat 16 annular the first filter 15, the first filter 15 with it is right before and after LED lamp panel 29
It answers.LED lamp panel 29 provides evidence obtaining light source, and the light of LED lamp panel 29 exposes to material evidence after the first filter 15 carries out first time filtering
On.When light source of collecting evidence is irradiated to by the first filter 15 on material evidence, reflected light enters mirror after 18 secondary filter of the second filter
First 26, the particular opticals image such as fingerprint can be directly acquired using the light of setting wave band, screen 6 is shown to after the processing of digital camera 20
On, and store preservation.When special material evidence needs the light source of different-waveband to scan for or handle, different can be replaced
One filter 15 or the second filter 18, to reach required purpose.
Cooling fin 28 is installed on the annular LED lamp panel 29.The cooling fin 28 is close to annular LED lamp panel 29, can fill
Divide and absorb heat, ensure that the maximum area heat dissipation of minimum space.Above-mentioned camera lens 26, screen 6, battery pack 21 are connected by conducting wire
It is connected on digital camera 20.
The rear and front end of the gun stock sleeve 2 is respectively provided with suspender clip 10, and penetrating shoulder strap can be convenient for users to carrying.It is described
The lower part of gun stock sleeve 2 is equipped with small of the stock hand 3, and small of the stock hand 3 is equipped with the anti-slip recess of cooperation finger grip, is convenient for making in conjunction with gun stock 7
User's one-handed performance.
Small of the stock hand 3 as described in Figure is equipped with switch button 11.Quick-fried sudden strain of a muscle circuit board, quick-fried sudden strain of a muscle circuit board are equipped in tubular shell 1
Flashing light is constituted with LED lamp panel 29.Switch button 11 controls the quick-fried sudden strain of a muscle function that trace material evidence scene quickly finds instrument, to cope with case
It was found that the emergency case of field, circuit theory is identical as existing dazzler.
As shown in Figures 2 and 3, back shroud 23 is located at the rear side of tubular shell 1 and matched formation closed space.It is described
Inside is equipped with loudspeaker 24 on back shroud 23, and larger decibel sounds can be sent out in the case where an emergency situation is encountered as alarm system.It is described
23 side of the inside far from loudspeaker 24 of back shroud is equipped with charging connector 25, can be that whole device charges, connector connects exchange
Two kinds of power interface and usb interfaces provide more choices for charging operation.Usb interfaces are the interfaces of forensic data transmission.
As shown in Figure 1,1 lower part of the tubular shell is equipped with gun stock sleeve 2,2 rear portion of gun stock sleeve is equipped with resists shoulder for user
The gun stock 7 at the positions such as wing.Gun stock sleeve 2 is equipped with gun stock bar button 9, and gun stock bar button 9 can lock the position of gun stock 7,
To be adapted to different use demands.Realize that the concrete structure that gun stock 7 adjusts is as follows：
As shown in fig. 6, hand-held part includes gun stock sleeve 2 and small of the stock hand 3, the gun stock sleeve 2 is internally provided with sliding slot 32, is set before gun stock 7
There are gun stock bar 8, gun stock bar 8 can the sliding in sliding slot 32.It is equipped with locating piece 33 in gun stock bar 8, location hole is provided on locating piece 33
34, rifle drawbar button 9 can control the flexible of positioning column 35, and controlling positioning column 35 by rifle drawbar button 9 enters location hole
In 34, to realize the positioning to gun stock bar 8.When positioning column 35 is not in location hole 34, gun stock bar 8 can be pulled out, with gun stock 7
Shoulder position is resisted, the volume of instrument can be reduced, just when gun stock bar 8 is completely into gun stock sleeve 2 convenient for one-handed performance
In carrying and storage.Other existing positioning device lockings also can be used in the position of gun stock bar 8, to be completely pulled out and store completely
The locking of two positions.
When quickly finding material evidence needed for instrument search using trace material evidence scene, presses rifle drawbar button 9 and adjust gun stock bar 8
Suitable position is saved, hand holds small of the stock hand 3, chooses suitable filter piece, opens LED lamp panel 29, adjusts focusing gear set
27 to clearly showing material evidence image on screen.When emergency case occurs in spot, switch button 11 can be pressed, is opened
The quick-fried sudden strain of a muscle function and alarm system of dynamic instrument, it is ensured that the personal safety of oneself.
Claims (10)
1. a kind of trace material evidence scene quickly finds instrument, it is characterised in that：The hand-held part of photographic device and lower part including top；
The top photographic device includes tubular shell (1), and back shroud (23), back shroud (23) inside are equipped on rear side of tubular shell (1)
Equipped with battery pack (21), battery pack (21) is fixed on by battery fixing piece (22) in tubular shell (1)；
Connecting seat (19) is installed inside tubular shell (1), connecting seat (19) is equipped with digital camera (20), digital camera
(20) front is equipped with camera lens (26), and camera lens (26) front is equipped with the second filter seat (16), second filter seat (16) periphery peace
The LED lamp panel (29) of annular is filled, the second filter locating ring (17), the second filter locating ring are installed inside the second filter seat (16)
(17) the second filter (18) is fixedly mounted in；Tubular shell (1) front end is equipped with the first filter frame (13), the first filter frame (13)
Inside is equipped with the first filter locating ring (14), interior between the first filter locating ring (14) and the second filter seat (16) to be equipped with ring
The first filter (15) of shape, the first filter (15) and LED lamp panel (29) correspondence；By turning at the top of the tubular shell (1)
Roller blind axis (5) is connected with screen (6), and screen (6) is connect by circuit with digital camera (20), for showing digital camera (20)
The image of shooting；Battery pack (21) is digital camera (20), LED lamp panel (29) and screen (6) power supply；The hand-held part includes setting
There is small of the stock hand (3).
2. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The LED lamp panel
(29) rear side is equipped with cooling fin (28).
3. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The back shroud (23)
It is equipped with the charging connector (25) for battery pack (21) charging, this charging connector (25) has AC power interface and USB interface two
Kind.
4. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：It also wraps the hand-held part
Gun stock sleeve (2) is included, gun stock sleeve (2) is located at below tubular shell (1), and small of the stock hand (3) is equipped with below gun stock sleeve (2).
5. a kind of trace material evidence scene according to claim 4 quickly finds instrument, it is characterised in that：The gun stock sleeve (2)
Rear and front end is equipped with suspender clip (10).
6. a kind of trace material evidence scene according to claim 4 quickly finds instrument, it is characterised in that：The gun stock gun stock sleeve
(2) rear portion is equipped with gun stock (7)；Gun stock sleeve (2) is equipped with rifle drawbar button (9), and gun stock sleeve (2) is internally provided with sliding slot (32),
The gun stock bar (8) that can be slid back and forth in sliding slot (32) is equipped in gun stock (7), gun stock bar (8) rear end is connect with gun stock (7), rifle
It is equipped with locating piece (33) in pressure pin (8), is provided with location hole (34) on locating piece (33), the rifle drawbar button (9) can control
Positioning column (35) stretches, and controlling positioning column (35) by rifle drawbar button (9) enters in location hole (34), to realization pair
The collapsing length of gun stock bar (8) is positioned.
7. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The camera lens (26) is
Microlens.
8. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The tubular shell
(1) top is equipped with cover board (4), and cover board (4) shields axis (5) by overturning and is connected with screen (6).
9. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The small of the stock hand (3)
It is equipped with switch button (11), quick-fried sudden strain of a muscle circuit board is equipped in tubular shell (1), quick-fried sudden strain of a muscle circuit board constitutes quick-fried with LED lamp panel (29)
Flashing light.
10. a kind of trace material evidence scene according to claim 1 quickly finds instrument, it is characterised in that：The camera lens (26)
For Varifocal zoom lens, the gear set (27) of focusing which is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280976.7A CN108287163A (en) | 2018-04-02 | 2018-04-02 | Trace material evidence scene quickly finds instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280976.7A CN108287163A (en) | 2018-04-02 | 2018-04-02 | Trace material evidence scene quickly finds instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108287163A true CN108287163A (en) | 2018-07-17 |
Family
ID=62833776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810280976.7A Pending CN108287163A (en) | 2018-04-02 | 2018-04-02 | Trace material evidence scene quickly finds instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108287163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474775A (en) * | 2018-12-10 | 2019-03-15 | 杭州衡利电子技术有限公司 | Camera for prospecting |
| CN109639940A (en) * | 2018-12-10 | 2019-04-16 | 杭州衡利电子技术有限公司 | Camera and survey system for prospecting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474775A (en) * | 2018-12-10 | 2019-03-15 | 杭州衡利电子技术有限公司 | Camera for prospecting |
| CN109639940A (en) * | 2018-12-10 | 2019-04-16 | 杭州衡利电子技术有限公司 | Camera and survey system for prospecting |
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