CN205356533U - Compact structure's image information processing apparatus , sharp optical module and light path structure - Google Patents

Abstract

The utility model discloses a compact structure's image information processing apparatus, sharp optical module and light path structure. Image information processing apparatus includes sharp optical module (3), fixed bolster (1) and PCB board (2), fixed bolster (1) includes preceding recess and the back groove who is separated the setting by intermediate bottom, preceding recess has still been placed swash optical module (3), back groove places PCB board (2), protection of laser hazard module (4), RGB camera (5), infrared camera (6), first microphone (7) and second microphone (8) are still placed to preceding recess. The utility model discloses can catch image information, wherein place PCB board (2) be favorable to the heat dissipation in the back groove, each components and parts all set up and make on the fixed bolster simultaneously the utility model discloses an image information processing apparatus is small, compact structure, firm, and each components and parts also difficult the emergence become flexible.

Description

The image information processing device of compact conformation, laser module and light channel structure

Technical field

This utility model relates to technical field of image processing, particularly relates to the image information processing device of compact conformation, laser module and light channel structure.

Background technology

Along with the development of modern science and technology, the process of image information becomes particularly important, and existing image information processing device includes box body, control circuit plate, front panel and base plate；Wherein, RGB photographic head and infrared transmitter, infrared remote receiver are arranged on control circuit plate, then load in box body by the control circuit plate being provided with RGB photographic head and infrared transmitter, infrared remote receiver, by base plate cover to box body, compress, so that control circuit plate is fixed in box body.But, this mode is easily caused that to be arranged on RGB photographic head and infrared transmitter, infrared remote receiver insecure, and structure easily loosens, and structure is not compact, is unfavorable for that control circuit plate dispels the heat, it is easy to damage control circuit plate.In particular for RGB photographic head and infrared transmitter, this optics of infrared remote receiver, loosen somewhat to some extent or skew, then the precision causing whole product is changed.Additionally, existing image information processing device, the laser beam gathering image information is usually the laser non-aligned diffraction light that diffraction obtains after collimation of light source outgoing, and its angle of flare is less, causing that the scope of image collected is less, the angle of visibility of image information processing device is less.

Utility model content

The utility model discloses the image information processing device of compact conformation, laser module and light channel structure, on the one hand, provide a kind of laser module, its light channel structure is compact, firm, optical element quantity is few, be easy to assemble, fixing so that the volume of laser module reduce further, be easy to integrated, be easy to apply to other electronic equipments；On the other hand, it is provided that a kind of image information processing device, its each components and parts are arranged on fixed support so that this utility model volume is little, compact conformation, firmly, and each components and parts are not easy to occur to loosen.

For reaching this purpose, this utility model by the following technical solutions:

First aspect, the utility model proposes a kind of light channel structure, including: include LASER Light Source, it is characterised in that also include the reflecting mirror, collimation beam splitting element and the diffraction element that are sequentially placed along optical propagation direction；Described collimation beam splitting element is the optical element with diffraction structure.

Wherein, it is non-collimated light that described reflecting mirror reflects the laser of described LASER Light Source outgoing, outgoing multi-beam collimation light after described collimation beam splitting element, described diffraction element receives described multi-beam collimation light, the multiple diffracted beam of outgoing, the diffraction structure of described collimation beam splitting element is the phase place wavestrip diffraction structure that the light field according to described non-collimated light is corresponding with the calculated transmittance function of light field of described multi-beam collimation light.

Second aspect, the utility model proposes a kind of laser module including above-mentioned light channel structure, including the housing for fixed light path structure with inner chamber.Inner chamber includes successively: light source placed cavity, reflecting mirror placed cavity and light-emitting window；Described LASER Light Source is fixedly installed in described light source placed cavity, and described reflecting mirror is fixedly installed in reflecting mirror placed cavity, and described collimation beam splitting element and diffraction element are fixedly installed in the light-emitting window of the light exit direction of described housing successively.

The third aspect, the utility model proposes a kind of image information processing device including above-mentioned laser module, including:

Fixed support and pcb board, described fixed support includes the forward recess and the rearward recess that are spaced apart by central dividing plate, and described forward recess places described laser module, and described rearward recess places described pcb board.

Wherein, also include being arranged on the lasing safety module of described forward recess, RGB photographic head, infrared camera, the first mike and second microphone；The edge of described lasing safety module has clematis stem hole；Described forward recess is sequentially provided with the first connecting hole, the first groove, the first raised platforms, the first through hole, the second raised platforms, the second groove and the second connecting hole from left to right；The height of projection of described first raised platforms and the second raised platforms is respectively less than the degree of depth of described forward recess；Described support bracket fastened two ends are provided with arc-shaped limit groove；Described laser module, lasing safety module, RGB photographic head, infrared camera are respectively arranged in described first groove, the first raised platforms, the second raised platforms, the second groove, described first mike is installed on described first connection hole, and described second microphone is installed on described second connection hole.

Wherein, the sidewall of described rearward recess is close to the first groove, the second raised platforms and the second groove and has bar v notch v.

Wherein, also including front portion and be provided with shell and the shell protecgulum of opening, described fixed support is arranged at the inside of shell, and the two ends, inside of described shell are provided with and the limited post of described arc-shaped limit slot fit；The back side of described shell is provided with the second through hole；Described shell protecgulum is fixed on the opening of described shell, and compresses described fixed support.

Wherein, described shell protecgulum is from left to right disposed with the fifth hole that the third through-hole corresponding with the infrared camera fourth hole corresponding with RGB photographic head is corresponding with laser module；The distance of described fourth hole and described fifth hole, more than the distance of described fourth hole Yu described third through-hole, the inner periphery of described third through-hole, fourth hole and fifth hole front end is provided with peripherally disposed edge.

Wherein, described third through-hole place, fourth hole place and fifth hole place have all been sequentially placed lens, lens tabletting and sealing foam.

This utility model beneficial effect: light channel structure of the present utility model is compact, firm, and optical element quantity is few, it is simple to assemble, fix；Laser module assembly cost containing this light channel structure is low, volume is little, it is integrated to be easy to, be easy to be applied to other electronic equipments；The pcb board of image information processing device is placed in described rearward recess and is conducive to heat radiation, simultaneously each components and parts be arranged on fixed support making that this utility model volume is little, compact conformation, firmly, each components and parts are not easy to occur to loosen, and therefore can be applied on the electronic equipment of light, thin, the short and small designs such as mobile terminal, hand-held device, Wearable device.

Accompanying drawing explanation

Fig. 1 is the light channel structure figure of the laser module that this utility model provides.

Fig. 2 a is the local diffraction structure figure of collimation beam splitting element DOE.

Fig. 2 b is the collimation beam splitting element DOE cross sectional side view along section A-A.

Fig. 3 is the light beam beam cross section figure through collimation beam splitting element DOE outgoing.

Fig. 4 is the partial structurtes schematic diagram of diffraction element DOE.

Fig. 5 is the speckle pattern that collimated light is formed after DOE diffraction.

Fig. 6 a is the perspective view of the housing of the laser module that this utility model provides.

Fig. 6 b is the internal structure schematic diagram of the housing of the laser module that this utility model provides.

Fig. 6 c is the housing cross sectional side view along C-C of the laser module that this utility model provides.

Fig. 7 is the support bracket fastened structural representation of the image information processing device that this utility model provides.

Fig. 8 is the structural representation of the shell protecgulum of the image information processing device that this utility model provides.

Description of reference numerals is as follows:

1. fixed support, 2.PCB plate, 3. laser module, 4. lasing safety module, 5.RGB photographic head, 6. infrared camera, 7. the first mike, 8. second microphone, 9. shell protecgulum, 10. lens, 11. lens tabletting, 12. sealing foam, 101. the first connecting hole, 102. the first groove, 103. the first raised platforms, 104. the first through hole, 105. the second raised platforms, 106. the second groove, 107. the second connecting hole, 108. arc-shaped limit groove, 31. housing, 32. inner chamber, 33. LASER Light Source, 34. reflecting mirror, 35. collimation beam splitting element, 36. diffraction element, 321. light source placed cavity, 322. reflecting mirror placed cavity, 323. light-emitting window, 401. clematis stem hole, 901. third through-hole, 902. fourth hole, 903. fifth hole.

Detailed description of the invention

Below in conjunction with accompanying drawing, further illustrate the technical solution of the utility model by specific embodiment.

With reference to Fig. 1, this utility model proposes a kind of light channel structure on the one hand, including LASER Light Source 33, also includes the reflecting mirror 34, collimation beam splitting element 35 and the diffraction element 36 that are sequentially placed along optical propagation direction；Described collimation beam splitting element 35 is the optical element with diffraction structure.

LASER Light Source 33 can be the LASER Light Source of conventional semiconductor laser, quasiconductor edge-emitting laser device (edgeemittinglaser), vertical cavity surface-emitting laser (VCSEL) or other kind.Semiconductor laser is as LASER Light Source, and volume is little, less costly, it is simple to be integrated in miniaturized electronics, this utility model preferred semiconductor laser instrument.

The laser that described LASER Light Source 33 sends is non-collimated light, outgoing multi-beam collimation light after described collimation beam splitting element 35, described diffraction element 36 receives described multi-beam collimation light, the multiple diffracted beam of outgoing, the diffraction structure of described collimation beam splitting element 35 is the phase place wavestrip diffraction structure that the light field according to described non-collimated light is corresponding with the calculated transmittance function of light field of described multi-beam collimation light, the beam cross-sectional area approximately equal of described multi-beam collimation light, beam energy flux approximately equal.

Image information processing device needing, light beam carries out collimation and becomes preferably collimated light, then allow collimated light occur diffraction to form scatterplot light through diffraction element 36.

There is the optical element of diffraction structure, its substrate can be lens, reflecting mirror, flat board or other Traditional optics, namely there is in the preparation of the surface of lens, reflecting mirror, flat board or other Traditional optics the diffraction structure of specific phase mehtod, for instance etching produces the embossment structure of two or more step depth.

The diffraction structure of diffraction optical element is the transmittance function trying to achieve diffraction screen according to incident field and required outgoing light field, generates the phase place wavestrip diffraction structure on surface.

In other words, the diffraction structure of diffraction optical element adopts inverse method for designing to obtain, it is known that the light distribution in input and output face, seeks the phase mehtod in input and output face.

In this utility model, the optical wavelength of the emergent light of LASER Light Source is less than the characteristic size of diffraction element, design process is the inversion process of diffraction process, it is such as collimation laser according to incident illumination, after diffraction optical element, emergent light is the laser being formed and setting pattern, the known light field obtained at Fu Lang and fraunhofer-diffraction region is that (x, y), then to f (x for f, y) carry out inverse operation, solve FT^-1F (x, y) }, due to FT^-1F (x, y) } what obtain is continuous distribution function, so the PHASE DISTRIBUTION of reality also needs the thickness by diffraction element to debug, formula is:

$h=\frac{(2\mathrm{\π}-\mathrm{\φ})\mathrm{\λ}}{2\mathrm{\π}(n-1)}$

In formula, h is diffraction element thickness, and λ is the optical wavelength of incident illumination, and φ is PHASE DISTRIBUTION, and n is constant；Phase place can not be made to reach continuous distribution when actual fabrication diffraction element, scalar quantization need to be adopted, but scalar quantization can bring error into, actual fabrication process can improve computational accuracy, less error by optimized algorithm.

In this utility model, collimation beam splitting element 35 is preferably the DOE (DiffractiveOpticalElement that substrate is flat board, diffraction optical element), this DOE has the diffraction structure of the embossment of specific phase mehtod, cross section is have two or more concavo-convex step embossment structure, the thickness of substrate substantially 1 μm, μm expression micron, each step highly non-uniform, is 0.7 μm-0.9 μm.Fig. 2 a is the local diffraction structure of the collimation beam splitting element 35 of the present embodiment, and Fig. 2 b is that the unit of the cross sectional side view along section A-A, abscissa and vertical coordinate is μm.

Common diffraction element obtains multi beam diffraction light after light beam is carried out diffraction, but often bundle diffraction light light intensity difference is big, the risk of human eye injury is also big, even if diffraction light is carried out re-diffraction, the uniformity of the light beam obtained is relatively low, utilizing this type of light beam in image information processing device, object to be projected, drop shadow effect is poor, and when zero order diffracted light light intensity is bigger.

Image information processing device needing, light beam is carried out collimation and becomes preferably collimated light, collimated light is allowed to occur diffraction to form scatterplot light through diffraction element 36 again, the optical uniformity so obtained is better, drop shadow effect is good, and the collimation beam splitting element 35 in this utility model not only has the effect that uncollimated rays is collimated, also there is the effect of light splitting, namely non-collimated light past different angles outgoing multi-beam collimation light beam after collimation beam splitting element 35 of mirror 34 reflection it is reflected, and the area of section approximately equal of the multi-beam collimation light beam of outgoing, flux of energy approximately equal, as shown in Figure 3, Fig. 3 is the light velocity sectional view of the 9 bundle collimated lights along different angles outgoing of the present embodiment.

In the present embodiment, the number of beams of the collimated light of non-aligned incident illumination collimated beam splitting element 35 outgoing and shooting angle can obtain with practical application design collimation beam splitting element 35, and this is not limited by this utility model.

Collimation beam splitting element 35 is compared to common diffractive optical element, the every light beam making outgoing all has approximately equalised area of section and flux of energy, improve the uniformity of light beam, and then make the scatterplot light after utilizing this beam diffraction carry out the better effects if of image procossing or projection, simultaneously, laser emitting light is dispersed to every light beam, reduce further the risk of injury human eye.

The diffraction structure of collimation beam splitting element 35 is the phase place wavestrip diffraction structure that the light field according to described non-collimated light is corresponding with the calculated transmittance function of light field of the multi-beam collimation light beam along different angles outgoing, namely the concrete diffraction structure collimating beam splitting element 35 is the transmittance function being tried to achieve diffraction screen by the given non-aligned light field of incidence and the required light field along the multi-beam collimation light of different angles outgoing, generate the phase place wavestrip diffraction structure on surface, thus obtaining the diffracting surface structure of collimation beam splitting element 35.

Therefore, it can to carry out according to the actual requirements the diffraction structure design of collimation beam splitting element 35, after namely determining the non-collimated light of incidence, according to the quantity of the collimated beam of outgoing with often restraint the shooting angle of collimated beam and design the diffraction structure collimating beam splitting element 35.

The thickness of collimation beam splitting DOE can be very thin, and it is any that non-collimated light carries out its placement location during collimation beam splitting, not by the impact of focal length, collimation beam splitting DOE can near reflecting mirror 34, such that it is able to effectively shorten light path；It addition, diffraction element 36 can be placed near collimation beam splitting DOE, reduce the light path of light exit direction so that light channel structure is compact.

Diffraction element 36 of the present utility model is the optical element with diffraction structure, it is preferred to substrate is the DOE (DiffractiveOpticalElement, DOE) of flat board.The diffraction structure of diffraction element 36 is the phase place wavestrip diffraction structure that the light field of the non-collimated light according to described outgoing is corresponding with the calculated transmittance function of light field of the multi-beam collimation light incident along different angles, namely the concrete diffraction structure of diffraction element 36 is the transmittance function that the light field of multi-beam collimation light incident by given different angles and the non-aligned light field of required outgoing try to achieve diffraction screen, generate the phase place wavestrip diffraction structure on surface, thus obtaining the diffracting surface structure of diffraction element 36.

The diffraction element 36 used in the present embodiment has the diffraction structure of the embossment of specific phase mehtod, cross section is have two or more concavo-convex step embossment structure, the thickness of substrate substantially 1 μm, μm represent micron, each step highly non-uniform, be 0.7 μm-0.9 μm, as shown in Figure 4, being the DOE diffraction structure schematic diagram cross sectional side view along B-B in the square frame of Fig. 4, wherein incident field is the laser light field of collimation, and emergent light is the diffracted beam with certain angle of flare；Collimated light is outgoing diffusion after the diffraction of DOE, and forms the laser beam with certain pattern, such as random point diagram, speckle pattern, as shown in Figure 5.

Diffraction optical element through having collimation beam splitting function simultaneously obtains multi-beam collimation light after namely collimating beam splitting element 35, angle of flare φ 1 then through the non-aligned diffracted beam of diffraction element 36 outgoing, collimated light is singly restrainted than after the optical element of only alignment function, after big then through the angle of flare φ 2 of the non-aligned diffracted beam after diffraction element 36 outgoing, namely through collimation beam splitting, collimating not beam splitting than only, the angle of flare of the emergent light of laser module can expand certain proportion.The angle of visibility of the image processing apparatus applying this emergent light that the angle of flare of expansion emergent light can make expands, and the scope of the image collected is bigger.

Wherein, φ 1: φ 2=1.1～10:1, for instance, φ 2 is approximately 68 °, and φ 1 is approximately 78 °；Or φ 2 is approximately 30 °, φ 1 is approximately 60 °；Or φ 2 is approximately 68 °, φ 1 is approximately 78 °, or φ 2 is approximately 38 °, and φ 1 is approximately 78 °；Or φ 2 is approximately 30 °, φ 1 is approximately 90 ° etc..

Additionally, collimation beam splitting element 35 realizes the collimation to non-collimated light and beam splitting simultaneously, decrease the optical element of light channel structure, the light direction of light channel structure only has reflecting mirror 34, collimation beam splitting element 35 and diffraction element 36, light path is little, reflecting mirror 34, collimation beam splitting element 35 and diffraction element 36 can close-packed arrays so that light channel structure is compact.

In this utility model, the optical element of light channel structure is considerably less, only includes reflecting mirror 34, collimation beam splitting element 35 and diffraction element 36, decreases the light path of light exit direction.

With reference to the axonometric chart of the housing 31 that Fig. 6 a-6c, Fig. 6 a is laser module 3, Fig. 6 b is the cut-away view of housing 31, and Fig. 6 c is the cross sectional side view along C-C of housing 31.

This utility model proposes a kind of laser module 3 for including above-mentioned light channel structure on the other hand, this laser module 3 includes the housing 31 for fixed light path structure with inner chamber 32, and inner chamber 32 includes successively: light source placed cavity 321, reflecting mirror placed cavity 322 and light-emitting window 323；Described LASER Light Source 33 is fixedly installed in described light source placed cavity 321, and described reflecting mirror 34 is fixedly installed in reflecting mirror placed cavity 322, and described collimation beam splitting element 35 and diffraction element 36 are fixedly installed in the light-emitting window 323 of the light exit direction of described housing 31 successively.

The simple in construction of laser module 3, light channel structure are compact, owing to above-mentioned light channel structure only includes mirror 34, collimation beam splitting element 35 and diffraction element 36 at the thickness direction of beam exit, make this laser module 3 also less at the thickness direction of beam exit, and above-mentioned light channel structure is very short at the light path of light beam incident direction, cause that the thickness in the direction is also less, therefore reduce the volume of laser module 3 on the whole；The compact conformation of this light channel structure, therefore the structure of laser module 3 can also be done closely.

Laser module 3 simple in construction that the utility model proposes, compact, on beam exit direction, thickness is little, and the overall volume of laser module 3 is little, it is simple to integrated.

On the other hand, the utility model proposes a kind of image information processing device, above-mentioned laser module 3 is integrated within.

Fig. 7 is this image information processing device internal structure schematic diagram, this image information processing device includes fixed support 1 and pcb board 2, described fixed support 1 includes the forward recess and the rearward recess that are spaced apart by central dividing plate, described forward recess places described laser module 3, and described rearward recess places described pcb board 2.

Fixed support 1 is the support that rigidity is high, deformation is little and heat conduction and heat radiation is good, it is preferred to metal rack.

Additionally include being arranged on the lasing safety module 4 of described forward recess, RGB photographic head 5, infrared camera the 6, first mike 7 and second microphone 8；The edge 904 of described lasing safety module 4 has clematis stem hole 401；Described forward recess is sequentially provided with the first connecting hole the 101, first groove the 102, first raised platforms the 103, first through hole the 104, second raised platforms the 105, second groove 106 and the second connecting hole 107 from left to right；The height of projection of described first raised platforms 103 and the second raised platforms 105 is respectively less than the degree of depth of described forward recess；The two ends of described fixed support 1 are provided with arc-shaped limit groove 108；Described laser module 3, lasing safety module 4, RGB photographic head 5, infrared camera 6 are respectively arranged in described first groove the 102, first raised platforms the 103, second raised platforms the 105, second groove 106 successively, described first mike 7 is installed on described first connecting hole 101 place, and described second microphone 8 is installed on described second connecting hole 107 place.

Wherein laser module 3, lasing safety module 4, RGB photographic head 5, infrared camera the 6, first mike 7 and second microphone 8 are installed in fixed support 1 forward recess, pcb board 2 is arranged in fixed support 1 rearward recess, the necessary components and parts that placed image information processing device that one fixed support 1 is compact, the compact conformation making image information processing device is firm, simultaneously facilitates the pcb board 2 being arranged in fixed support 1 rearward recess and dispels the heat.

The edge 904 of lasing safety module 4 has clematis stem hole 401, and of winding displacement inserts clematis stem hole 401, and other end is connected through the first through hole 104 with the pcb board 2 in rearward recess, thus lasing safety module 4 and pcb board 2 being coupled together；The height of projection of the first raised platforms 103 and the second raised platforms 105 is respectively less than the degree of depth of described forward recess, better protects lasing safety module 4 mounted thereto and RGB photographic head 5 not increasing on the basis of fixed support 1 volume.

It should be noted that image information processing device of the present utility model can be selected for the laser module 3 of this enforcement, it is possible to select the laser module that other are common, selecting the laser module 3 of this enforcement, the volume that can make image information processing device is less.

The sidewall of the rearward recess of fixed support 1 is close to first groove the 102, second raised platforms 105 and the second groove 106 place has bar v notch v.

The winding displacement of laser module 3 in forward recess, RGB photographic head 5 and infrared camera 6 is connected with the pcb board 2 in rearward recess respectively through bar v notch v, makes winding displacement will not take too much space, further such that the compact conformation of image information processing device.

Image information processing device also includes front portion and is provided with shell and the shell protecgulum 9 of opening, and described fixed support 1 is arranged at the inside of shell, and the two ends, inside of described shell are provided with the limited post coordinated with described arc-shaped limit groove 108；By limited post, fixed support 1 is fixed on enclosure so that structure is more firm, stable.

The back side of the shell of image information processing device is provided with the second through hole；Described shell protecgulum 9 is fixed on the opening of described shell, and compresses described fixed support 1.USB connecting line passes through the second through hole connecting PCB board 2.

With reference to Fig. 8, Fig. 8 is the structural representation of the shell protecgulum 9 of image information processing device, and shell protecgulum 9 is from left to right disposed with the fifth hole 903 that the third through-hole 901 corresponding with infrared camera 6 fourth hole 902 corresponding with RGB photographic head 5 is corresponding with laser module 3；Described fourth hole 902 more than described fourth hole 902 and the distance of described third through-hole 901, the inner periphery of described third through-hole 901, fourth hole 902 and fifth hole 903 front end is provided with peripherally disposed edge 904 with the distance of described fifth hole 903.

Wherein, third through-hole 901 place, fourth hole 902 place and fifth hole 903 place have all been sequentially placed lens 10, lens tabletting 11 and sealing foam 12, described fourth hole 902 is less with the distance of described third through-hole 901, the lens tabletting being positioned at described fourth hole 902 and third through-hole 901 place can be integrally formed, reduces and assembles difficulty.

The setting at edge 904 makes third through-hole 901, fourth hole 902 and fifth hole 903 place can form a small depression, it is to avoid when image information processing device falls, the photographic head being integrated within is damaged；Additionally, be easy to cleaning, and enhance the third dimension of image information processing device outward appearance, more attractive in appearance.

More generally, those skilled in the art should know, the concrete structure of image information processing device of the present utility model can support existing laser module, due to each components and parts be arranged on fixed support 1 making that the image information processing device volume including existing laser module is little, compact conformation, firmly, each components and parts are not susceptible to loosen.Do not repeat them here.

This utility model beneficial effect: light channel structure of the present utility model is compact, firm, the angle of flare of emergent light is relatively big, intensity homogeneity is high；Laser module assembly cost containing this light channel structure is low, volume is little, compact conformation, it is simple to be applied to other electronic equipments.Image information processing device includes laser module 3, fixed support 1 and pcb board 2, described fixed support 1 includes the forward recess and the rearward recess that are spaced apart by central dividing plate, described forward recess places described laser module 3, described rearward recess places described pcb board 2, the lasing safety module 4 of described forward recess, RGB photographic head 5, infrared camera the 6, first mike 7 and second microphone 8.Image information processing device of the present utility model can catch image information, wherein pcb board 2 is placed in described rearward recess and is conducive to heat radiation, simultaneously each components and parts be arranged on fixed support 1 making that this utility model volume is little, compact conformation, firmly, each components and parts are not easy to occur to loosen, and therefore can be applied on the electronic equipment of light, thin, the short and small designs such as mobile terminal, hand-held device, Wearable device；Further, the angle of flare of the laser module outgoing beam of this image information processing device is relatively big, and therefore the angle of visibility of this image information processing device is bigger, it is possible to the scope of the image information collected is bigger.

The know-why of this utility model embodiment is described above in association with specific embodiment; these describe and are intended merely to the principle explaining this utility model embodiment; and the restriction to this utility model embodiment protection domain can not be construed to by any way; those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of this utility model embodiment, and these modes fall within the protection domain of this utility model embodiment.

Claims (10)

1. a light channel structure, including LASER Light Source (33), it is characterised in that also include the reflecting mirror (34), collimation beam splitting element (35) and the diffraction element (36) that are sequentially placed along optical propagation direction；Described collimation beam splitting element (35) is the optical element with diffraction structure.

2. light channel structure according to claim 1, it is characterized in that, it is non-collimated light that described reflecting mirror (34) reflects the laser of described LASER Light Source (33) outgoing, outgoing multi-beam collimation light after described collimation beam splitting element (35), described diffraction element (36) receives described multi-beam collimation light, the multiple diffracted beam of outgoing, the diffraction structure of described collimation beam splitting element (35) is the phase place wavestrip diffraction structure that the light field according to described non-collimated light is corresponding with the calculated transmittance function of light field of described multi-beam collimation light.

3. a laser module (3), it is characterised in that include light channel structure according to claim 1 and 2.

4. laser module (3) according to claim 3, it is characterized in that, also including the housing (31) for fixed light path structure with inner chamber (32), inner chamber (32) includes successively: light source placed cavity (321), reflecting mirror placed cavity (322) and light-emitting window (323)；Described LASER Light Source (33) is fixedly installed in described light source placed cavity (321), described reflecting mirror (34) is fixedly installed in reflecting mirror placed cavity (322), and described collimation beam splitting element (35) and diffraction element (36) are fixedly installed in the light-emitting window (323) of the light exit direction of described housing (31) successively.

5. an image information processing device, including the laser module (3) as described in claim 3 or 4, it is characterized in that, also include fixed support (1) and pcb board (2), described fixed support (1) includes the forward recess and the rearward recess that are spaced apart by central dividing plate, described forward recess places described laser module (3), and described rearward recess places described pcb board (2).

6. image information processing device according to claim 5, it is characterized in that, also include being arranged on the lasing safety module (4) of described forward recess, RGB photographic head (5), infrared camera (6), the first mike (7) and second microphone (8)；The edge of described lasing safety module (4) has clematis stem hole (401)；

Described forward recess is sequentially provided with the first connecting hole (101), the first groove (102), the first raised platforms (103), the first through hole (104), the second raised platforms (105), the second groove (106) and the second connecting hole (107) from left to right；The height of projection of described first raised platforms (103) and the second raised platforms (105) is respectively less than the degree of depth of described forward recess；The two ends of described fixed support (1) are provided with arc-shaped limit groove (108)；

Described laser module (3), lasing safety module (4), RGB photographic head (5), infrared camera (6) are respectively arranged in described first groove (102), the first raised platforms (103), the second raised platforms (105), the second groove (106) successively, described first mike (7) is installed on described first connecting hole (101) place, and described second microphone (8) is installed on described second connecting hole (107) place.

7. image information processing device according to claim 6, it is characterised in that the sidewall of described rearward recess is close to the first groove (102), the second raised platforms (105) and the second groove (106) place and has bar v notch v.

8. the image information processing device according to claim 6 or 7, it is characterized in that, also include front portion and be provided with shell and the shell protecgulum (9) of opening, described fixed support (1) is arranged at the inside of shell, and the two ends, inside of described shell are provided with the limited post coordinated with described arc-shaped limit groove (108)；The back side of described shell is provided with the second through hole；Described shell protecgulum (9) is fixed on the opening of described shell, and compresses described fixed support (1).

9. image information processing device according to claim 8, it is characterized in that, described shell protecgulum (9) is from left to right disposed with the fifth hole (903) that the third through-hole (901) corresponding with infrared camera (6) fourth hole (902) corresponding with RGB photographic head is corresponding with laser module (3)；The distance of described fourth hole (902) and described fifth hole (903), more than the distance of described fourth hole (902) Yu described third through-hole (901), the inner periphery of described third through-hole (901), fourth hole (902) and fifth hole (903) front end is provided with peripherally disposed edge (904).

10. image information processing device according to claim 9, it is characterized in that, described third through-hole (901) place, fourth hole (902) place and fifth hole (903) place have been sequentially placed lens (10), lens tabletting (11) and sealing foam (12) all from front to back.