CN206440622U - Multiband reconnoitres instrument and multiband survey system - Google Patents

Abstract

The utility model provides a kind of multiband and reconnoitres instrument and multiband survey system, it is related to criminal exploration field, the multiband prospecting instrument includes housing, and it is arranged at the first light source in the housing, secondary light source, dichroscope, even light unit, first speculum, camera lens, photoelectric sensor and power supply, first light source, secondary light source, photoelectric sensor respectively with power electric connection, memory bank is provided with the housing, the memory interface for photoelectric sensor to be electrically connected with video memory is provided with memory bank, housing offers the first light-emitting window in the same side and mouth of finding a view, first light source is different with the luminescence band of secondary light source.Compared with prior art, material evidence can be shot by camera lens and imaging sensor while criminal case crime scene is reconnoitred using alternative light source, and can be recorded material evidence image by inserting video memory in memory bank, make scene evidence taking more convenient.

Description

Multiband reconnoitres instrument and multiband survey system

Technical field

The utility model is related to criminal exploration field, reconnoitres instrument in particular to a kind of multiband and multiband is reconnoitred System.

Background technology

When light irradiation is on material surface, material can absorb light, can also reflected light.Some predetermined substance may be compared with The light of some specific band is absorbed by force, and consumingly reflects the light of its all band.Different material is to the absorption bands of light and anti- Ejected wave section is different.When carrying the object surface of vestige with the light irradiation of a branch of specific band, due to vestige and background object There is bigger difference to the absorptivity of incident light, the contrast between vestige and object can significantly be strengthened.

Because in different scenes, the material of vestige may be different, carry absorptivity of the background to incident light of vestige Also it is different, only observed using monochromatic source it is difficult to ensure that the observing effect all having had at various scenes.Therefore, can be extensive For showing fingerprint during criminal investigation, finding that the alternative light source of trace material evidence is generated.

But, existing alternative light source is in structure with using upper, still suffering from the place of inconvenience, that is, at the scene of carrying out During prospecting, collection material evidence image not only needs to use alternative light source uniform irradiation vestige, in addition it is also necessary to by camera or the mirror of video camera Head alignment evidence surface, makes the main shaft of camera lens vertical with evidence surface, can just collect and not have material evidence image devious.Therefore, Prospecting personnel generally require to operate alternative light source and camera respectively, and the stabilization of camera lens, cumbersome when also keeping imaging, So that the efficiency step-down of the inspection of the scene of a crime.

Utility model content

The purpose of this utility model is to provide a kind of multiband prospecting instrument and multiband survey system, and it is by multiband light Source is machine integrated with imaging, while detecting site vestige is reconnoitred using alternative light source, additionally it is possible to gather material evidence image.

What embodiment of the present utility model was realized in：

In a first aspect, the utility model, which provides a kind of multiband, reconnoitres instrument, it includes housing, and is arranged at the shell Internal the first light source, secondary light source, dichroscope, even light unit, the first speculum, camera lens, photoelectric sensor and power supply, institute State the first light source, the secondary light source, the photoelectric sensor respectively with the power electric connection, be provided with the housing and deposit The memory for the photoelectric sensor to be electrically connected with video memory is provided with reservoir slot, the memory bank Interface, the housing offers the first light-emitting window in the same side and find a view mouth, the hair of first light source and the secondary light source Optical band is different, and the light sent from first light source passes sequentially through the even light unit through dichroscope reflection, described First speculum is from the first light-emitting window outgoing, and the light sent from the secondary light source leads to successively through dichroscope transmission The even light unit, first speculum are crossed from the first light-emitting window outgoing, object light mouth of being found a view described in passes through the mirror Head is imaged on the photosurface of the photoelectric sensor.

In the utility model preferred embodiment, first light source and the secondary light source are LED luminescence units.

In the utility model preferred embodiment, the luminescence band peak value of first light source is 460nm and 617nm, The luminescence band scope of the secondary light source is 500nm to 600nm.

In the utility model preferred embodiment, controlling switch, the controlling switch and institute are provided with the housing Power electric connection is stated, for controlling first light source, the secondary light source and the power supply break-make of the photoelectric sensor.

In the utility model preferred embodiment, the even light unit is fly's-eye lens.

In the utility model preferred embodiment, annular lever is provided with the housing.

In the utility model preferred embodiment, multiband prospecting instrument also includes being arranged at the in the housing Three light sources, the second speculum and reshaper is expanded, the 3rd light source is connected with the power supply, with described first on the housing The same side of light-emitting window and the mouth of finding a view is further opened with the second light-emitting window, and the light sent from the 3rd light source sequentially passes through institute The second speculum, the reshaper that expands are stated from the second light-emitting window outgoing

In the utility model preferred embodiment, the 3rd light source is semiconductor laser.

In the utility model preferred embodiment, the luminescence band scope of the 3rd light source is 780nm to 980nm.

Second aspect, the utility model additionally provides a kind of multiband survey system, and it includes image display and as above Image output interface, described image display are provided with described multiband prospecting instrument, the housing of the multiband prospecting instrument The photoelectric sensor for reconnoitring instrument with the multiband is electrically connected by described image output interface.

Multiband prospecting instrument and multiband survey system that the utility model is provided, are provided with by first in same housing The alternative light source structure division that light source, secondary light source, dichroscope, even light unit and the first speculum are constituted, and by mirror The camera settings part that head and photoelectric sensor are constituted, and by for the first light-emitting window of alternative light source light extraction and for gathering The mouth of finding a view of image is arranged on the same side of housing, it is ensured that can make camera lens while vestige is reconnoitred with alternative light source Main shaft is perpendicular to vestige plane, to obtain not having image devious.In addition, by setting even light list in multiband light source light path Member and two light sources relatively independent and that emission band is different, improve the source mass and selectivity of alternative light source.With showing There is technology to compare, can be shot while criminal case crime scene is reconnoitred using alternative light source by camera lens and imaging sensor Material evidence, and can be recorded material evidence image by inserting video memory in memory bank, make scene evidence taking more square Just.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 reconnoitres the structural representation of instrument for the multiband that the utility model first embodiment is provided；

Index path during the multiband prospecting instrument work that Fig. 2 provides for the utility model first embodiment；

The structural representation for the multiband survey system that Fig. 3 provides for the utility model first embodiment；

Fig. 4 reconnoitres the structural representation of instrument for the multiband that the utility model second embodiment is provided；

Index path during the multiband prospecting instrument work that Fig. 5 provides for the utility model second embodiment.

Icon：100- housings；The light-emitting windows of 110- first；The light-emitting windows of 120- second；130- finds a view mouth；150- memories are inserted Groove；170- image output interfaces；The light sources of 210- first；220- secondary light sources；The light sources of 230- the 3rd；300- dichroscopes；400- Even light unit；The speculums of 510- first；The speculums of 520- second；610- camera lenses；620- expands reshaper；700- photoelectric sensings Device；800- power supplys；900- controlling switches；1000- multibands reconnoitre instrument；1500- image displays；2000- multibands prospecting system System.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.

, it is necessary to explanation in description of the present utility model, term " in ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area Divide description, and it is not intended that indicating or implying relative importance.

Term for describing light beam advance process, is not offered as such as " injection ", " process ", " passing through ", " transmission " It is required that light beam is completely penetrated through or beam splitting, but a kind of optical change or optical treatment are described.As " passing through " only refers to light beam Change optically is there occurs after the optical element, is processed light beam and required for the technical problem that achieves a solution Light beam, according to the difference of optical element in specific embodiment, it may be possible to which reflection is also likely to be transmission.In addition, " transmission " refers to Light beam incides a certain material interface and occurs the phenomenon for reflecting and penetrating the interface, relative with " reflection ".

In addition, term " level ", " vertical ", etc. term be not offered as requiring part abswolute level or pendency, but can be with It is slightly tilted.It is not that the expression structure must as " level " only refers to its direction with respect to more level for " vertical " Fully horizontally, but can be slightly tilted.

In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.

In addition, the term such as " input ", " output ", " return ", " formation " is understood as describing a kind of optics, electricity change Or the processing of optics, electricity.As " formation " only refers to optical signal or electric signal by there occurs after the element, instrument or device Change optically or electrically so that the optical signal or the electric signal are processed, and then obtain implementation technical scheme Or the signal required for solution technical problem.

In specific embodiment of the utility model accompanying drawing, in order to which more preferable, clearer description multiband reconnoitres instrument and many The operation principle of each structural detail in wave band survey system, the annexation of performance wherein each several part has simply substantially distinguished each Relative position relation between element, can not be constituted to the optical path direction in element or structure, the order of connection and each several part knot Structure size, size, the restriction of shape.

First embodiment

Fig. 1 is refer to, a kind of multiband prospecting instrument 1000 is present embodiments provided, it includes housing 100, and is arranged at The first light source 210, secondary light source 220, dichroscope 300, even light unit 400, the first speculum 510 in the housing 100, Camera lens 610, photoelectric sensor 700 and power supply 800.First light source 210, secondary light source 220 and photoelectric sensor 700 are distinguished Electrically connected by the circuit set inside housing 100 with power supply 800.

In the present embodiment, two passages are offered inside housing 100, one is used as the logical of alternative light source illumination path Road, wherein being disposed with the first light source 210, secondary light source 220, dichroscope 300, even light unit 400 and from inside to outside One speculum 510, the passage leads to outside housing 100 eventually through the first light-emitting window 110 set in the side of housing 100；Separately One passage as shooting light path, wherein being disposed with photoelectric sensor 700 and camera lens 610 from inside to outside, the passage is most Led to eventually by the mouth 130 of finding a view set on housing 100 with the same side of the first light-emitting window 110 outside housing 100.

In the present embodiment, photoelectric sensor 700 can be CCD (Charge Coupled Device, charge coupled cell) Or CMOS (Complementary Metal-Oxide Semiconductor, metal oxide semiconductor device).Photoelectric sensing The photosurface of device 700 is just to camera lens 610 and vertical with the main shaft of camera lens 610, for receiving object from mouth 130 of finding a view by camera lens The 610 imaging optical signals formed, and convert optical signals to carry the electric signal of image information, to enter in subsequent image acquisition One step is exported to picture signal.

One side surface of housing 100 is provided with the memory bank 150 that can be opened and closed, memory bank 150 It is provided with memory interface., can be in storage when the image information exported after needing to change photoelectric sensor 700 is stored Video memory is inserted in device slot 150, by memory interface by photoelectric sensor 700 with inserting in memory bank 150 Video memory electrical connection so that video memory can receive and store the image information exported by photoelectric sensor 700. In the present embodiment, video memory can be a variety of common storage cards, for example SD card (Secure Digital Memory Card), CF cards (Compact Flash Card) or TF cards (Trans-flash Card), can when designing memory interface To consider the type of memory interface according to market service condition, cost and product structure etc., so that memory interface Match with the expected video memory used in picture signal transmission.

In the present embodiment, the outside of housing 100 is additionally provided with annular lever.Annular lever is arranged on housing 100 with finding a view 130 relative opposite sides of mouth.Side of the annular lever away from housing 100 is set to arc, and the muscle radian of human hand is close, Comfort level during gripping can be improved；Side close to housing 100 is set to waveform, can improve stabilization of the human hand in crawl Degree.Annular lever can be that hollow out is formed or after the manufacture of housing 100 is completed when designing housing 100, from outside Detachable is connected with housing 100.According to the difference of service condition, when designing housing 100, annular lever is arranged on housing Position on 100 can suitably change, to improve the applicability of product.

In the present embodiment, the outside of housing 100 is additionally provided with controlling switch 900, the control on the upside of annular lever 900 circuit by being set inside housing 100 of switch is electrically connected with power supply 800.There are three buttons in controlling switch 900, can The power supply break-make of the first light source 210, secondary light source 220 and photoelectric sensor 700 is controlled respectively.Power supply 800 can be common Lithium battery or chemical cell, can also be the single-phase or three phase mains 800 of other external circuits.

The first light source 210 for constituting alternative light source is different with the luminescence band of secondary light source 220, the He of the first light source 210 Secondary light source 220 can be LASER Light Source, bulb or LED/light source.In the present embodiment, the first light source 210 can be OSRAM public " LE BA Q6WM " LED luminescence units, it can send center spectral line (luminescence band peak value) and exist the model that department produces Blue light of the feux rouges and center spectral line of 617nm wave bands in 460nm wave bands；Secondary light source 220 can be the type that OSRAM companies produce Number for " LCG H9RN " LED luminescence units, it can send green glow of the wavelength band between 500nm to 600nm.

In the present embodiment, dichroscope 300 is transmitted to light beam of the wave band in green range, and to not in green range Light beam reflection.The feux rouges and blue light sent by the first light source 210 is incided to be reflected on the dichroscope 300, and by The green glow that two light sources 220 are sent is transmitted by the dichroscope 300.Opened by adjusting the control being arranged on outside housing 100 900 are closed, can selecting the first light source 210, individually output, secondary light source 220 are individually exported, it is also an option that the He of the first light source 210 Secondary light source 220 is exported simultaneously.The pattern that first light source 210 and secondary light source 220 are exported simultaneously under, equivalent to covering from red Light now passes through the optical filter of the setting different colours at the first light-emitting window 110, Ke Yiman to the visible light wave segment limit of blue light Alternative light source condition required for the most of prospecting scene of foot.

Even light unit 400 can be fly's-eye lens, ground glass or other can will be uniform by the light of dichroscope 300 The transparent element of diverging.In the present embodiment, the even light unit 400 used is fly's-eye lens, and it is by front and rear close two leaned on Roughly the same microlens array composition, wherein, close to the focal plane of the microlens array of dichroscope 300, just at remote On the lens unit median plane of the microlens array of dichroscope 300.By the light beam of dichroscope 300 the two of fly's-eye lens Uniformly dissipated between individual microlens array, be uniformly to dissipate on exiting surface eventually through the light beam of fly's-eye lens outgoing.

In the present embodiment, the lens group that camera lens 610 is made up of multiple lens, for object light to be understood into coalescence in photoelectric sensing It is imaged on the photosurface of device 700.Because the design of camera lens 610 is very ripe, it is only necessary to entered according to the structure of shooting light path The selection of row camera lens 610 is, it is necessary to ensure that the image planes of camera lens 610 are overlapped with the photosurface of photoelectric sensor 700, to obtain preferably Image quality.

Fig. 2 is refer to, when the multiband prospecting instrument 1000 provided using the present embodiment reconnoitres scene, by housing 100 The side of mouth 130 of finding a view just to the object for needing to shoot, and adjust object to the distance of camera lens 610 up to by the first light-emitting window The light beam of 110 outgoing can be radiated on object.The first light source 210 and secondary light source 220 are opened simultaneously, from the first light source 210 The light sent passes sequentially through even light unit 400, the first speculum 510 through the reflection of dichroscope 300, finally from first light extraction 110 outgoing of mouth；The light sent from secondary light source 220 passes sequentially through even light unit 400, first through the transmission of dichroscope 300 and reflected Mirror 510, finally from the outgoing of the first light-emitting window 110, the surface of uniform irradiation to object.The thing for being reflected or being given off by object Light, through mouth 130 of finding a view by camera lens 610, is finally imaged on the photosurface of the photoelectric sensor 700, that is, completes to thing The shooting of card.

Fig. 3 is refer to, the present embodiment additionally provides a kind of multiband survey system 2000, including image display 1500 is such as Upper described multiband prospecting instrument 1000.Multiband reconnoitres the outside side of housing 100 of instrument 1000, is provided with image output interface 170, the photoelectric sensor 700 of the inside of housing 100 setting of described image display 1500 and multiband prospecting instrument 1000 Electrically connected by described image output interface 170, the picture signal exported by photoelectric sensor 700 is transferred into image shows Checked immediately in device 1500, be more beneficial for the selection and shooting to material evidence.

In the present embodiment, image output interface 170 can be conventional image transmitting interface, such as HDMI (High Definition Multimedia Interface), AVG interfaces (Video Graphics Array) or DVI interface (Digital Visual Interface) etc..Image display 1500 can conventional be had and image output interface 170 The display device of the input interface of matching, the equipment that image is displayed for such as LCDs, television set or mobile phone.

Second embodiment

Fig. 4 is refer to, a kind of multiband prospecting instrument 1000 is present embodiments provided, and the utility model first embodiment is most Big difference is that the multiband prospecting instrument 1000 that the present embodiment is provided also includes the 3rd light source being arranged in housing 100 230th, the second speculum 520 and reshaper 620 is expanded, the 3rd light source 230 is connected with the power supply 800.In the present embodiment, the 3rd Light source 230 can also be opened and closed by the button independent control in controlling switch 900.

Similar to the setting of the first light-emitting window 110, with the same side of the first light-emitting window 110 and mouth 130 of finding a view on housing 100 Be further opened with the second light-emitting window 120, from the second light-emitting window 120 to housing 100 inside be disposed with and expand reshaper 620, The light source 230 of two-mirror 520 and the 3rd.

In the present embodiment, the 3rd light source 230 can be semiconductor laser, for example 980nm infrared semiconductor lasers, its The center spectral line of output waveband is respectively in 780nm, 808nm and 980nm.Due to laser export light beam monochromaticjty very well, its Though there is light distribution between 780nm to 980nm, the light intensity not at peak value is very weak, is conducive to, in prospecting, there is part The material evidence of high monochromaticity light source requirement is observed and collected evidence.

In the present embodiment, it can be lens group to expand reshaper 620, including the shaping lens for correction waveform and Beam expanding lens for making laser formation uniform light spots.

Fig. 5 is refer to, the light sent from the 3rd light source 230 sequentially passes through the second speculum 520, expands reshaper 620, Finally from the divergence expression outgoing of the second light-emitting window 120, a portion is radiated at body surface, plays a part of illumination.

In summary, the utility model is provided multiband prospecting instrument and multiband survey system, set in same housing The alternative light source structural portion being made up of the first light source, secondary light source, dichroscope, even light unit and the first speculum is put Point, and the camera settings part being made up of camera lens and photoelectric sensor, and by the first light extraction for alternative light source light extraction Mouth and the same side that housing is arranged on for gathering the mouth of finding a view of image, it is ensured that while vestige is reconnoitred with alternative light source The main shaft of camera lens can be made perpendicular to vestige plane, to obtain not having image devious.In addition, by multiband light source light path It is middle that even light unit and two light sources relatively independent and that emission band is different are set, make source mass and the selection of alternative light source Property improve.Compared with prior art, camera lens and image can be passed through while criminal case crime scene is reconnoitred using alternative light source Sensor shoots material evidence, and can be recorded material evidence image by inserting video memory in memory bank, makes scene Evidence obtaining is more convenient.Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is right For those skilled in the art, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of multiband reconnoitres instrument, it is characterised in that including housing, and be arranged in the housing the first light source, the Two light sources, dichroscope, even light unit, the first speculum, camera lens, photoelectric sensor and power supply, first light source, described Two light sources, the photoelectric sensor respectively with the power electric connection, be provided with memory bank, the storage on the housing The memory interface for the photoelectric sensor to be electrically connected with video memory is provided with device slot, the housing is same Side offers the first light-emitting window and found a view mouth, and first light source is different with the luminescence band of the secondary light source, from described The light that first light source is sent passes sequentially through the even light unit, first speculum from described the through dichroscope reflection One light-emitting window outgoing, the light sent from the secondary light source is transmitted through the dichroscope passes sequentially through the even light unit, institute The first speculum is stated from the first light-emitting window outgoing, object light found a view described in mouth by the camera lens in the photoelectric sensor Photosurface on be imaged.

2. multiband according to claim 1 reconnoitres instrument, it is characterised in that first light source and the secondary light source are LED luminescence units.

3. multiband according to claim 1 reconnoitres instrument, it is characterised in that the luminescence band peak value of first light source is 460nm and 617nm, the luminescence band scope of the secondary light source is 500nm to 600nm.

4. multiband according to claim 1 reconnoitres instrument, it is characterised in that controlling switch, institute are provided with the housing Controlling switch and the power electric connection are stated, for controlling first light source, the secondary light source and the photoelectric sensor Power supply break-make.

5. multiband according to claim 1 reconnoitres instrument, it is characterised in that the even light unit is fly's-eye lens.

6. multiband according to claim 1 reconnoitres instrument, it is characterised in that annular lever is provided with the housing.

7. multiband according to claim 1 reconnoitres instrument, it is characterised in that also including be arranged in the housing the 3rd Light source, the second speculum and reshaper is expanded, the 3rd light source is connected with the power supply, is gone out on the housing with described first The same side of optical port and the mouth of finding a view is further opened with the second light-emitting window, and the light sent from the 3rd light source sequentially passes through described Second speculum, the reshaper that expands are from the second light-emitting window outgoing.

8. multiband according to claim 7 reconnoitres instrument, it is characterised in that the 3rd light source is semiconductor laser.

9. multiband according to claim 7 reconnoitres instrument, it is characterised in that the luminescence band scope of the 3rd light source is 780nm to 980nm.

10. a kind of multiband survey system, it is characterised in that including image display and as described in any one of claim 1 to 9 Multiband prospecting instrument, be provided with image output interface, described image display and institute on the housing of multiband prospecting instrument The photoelectric sensor for stating multiband prospecting instrument is electrically connected by described image output interface.