CN206115120U

CN206115120U - Solve image device of many first depth of field with adjustable

Info

Publication number: CN206115120U
Application number: CN201621023623.1U
Authority: CN
Inventors: 蔡泽广; 杨凯; 孔嘉勇; 邹杰斌; 曹辉; 陈国杰
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-04-19
Anticipated expiration: 2026-08-31

Abstract

The utility model provides a solve image device of many first depth of field with adjustable relates to imaging device technical field, including light source, measured object, convex lens, transparent container and CMOS photosensitive element, transparent container includes square casing and baffle, square casing and baffle encirclement vacuole formation, baffle both sides about, base and the inner wall of square casing is airtight, liquid is equipped with in the cavity, be connected with the straight -bar on the baffle, the straight -bar is connected with handheld board, the straight -bar is in with the setting the fluting sliding connection of square casing up end, still be provided with the dust -separation piece on the baffle, be provided with the gas pocket on the dust -separation piece, light passes through convex lens and transparent container through the measured object reflection in proper order, drops on on the CMOS photosensitive element. The utility model discloses an useful part is that the thickness that transparent container was adjusted to the accessible supplyes between the subject because the different optical path differences that produce of distance to on the clear imaging position that makes the object of the different depth of field can fall into the CMOS photosensitive element, convenient practicality.

Description

A kind of adjustable imaging device for solving the polynary depth of field

Technical field

This utility model is related to imaging device technical field, and especially a kind of object that can allow the different depth of field is clear The device of imaging.

Background technology

Due to needing using the shallow depth of field (little into clear picture scope) in macroshot, two or more objects are being shot Occurring when body (distance exceed the depth of field) can not be while by the situation of all subjects all shooting clears, mainly object Focus point do not fall in the focal depth range of video camera or imaging device, feasible solution be using increase aperture, use Focal length end and appropriate shooting distance, increase the depth of field and are required for changing close-up with first two method, and cost is larger, with after A kind of method can only increase the depth of field to a certain extent.

Currently, a kind of existing settling mode is that in the light path of photo electric imaging system adding parallel glass piece can be by thing The focus point of body is moved backward, the focus point of object is dropped in the focal depth range of video camera or imaging device, with blur-free imaging, But there is clearly disadvantageous part in this mode, i.e., required parallel glass piece needs according to practical problem to determine its thickness, right When the shooting of multiple objects for there are multiple different distances is carried out, to be realized by changing corresponding parallel glass piece, be operated It is loaded down with trivial details, inefficiency.

Utility model content

This utility model overcomes shortcoming of the prior art, there is provided the imaging device of the polynary depth of field of adjustable solution, knot Structure is simple, by the right position of moving stop, adjusts the thickness of liquid in transparent vessel, with supplement between subject due to The different optical path differences for producing of distance, so that the blur-free imaging position of the object of the different depth of field can drop into the photosensitive units of CMOS On part, convenient practicality.

In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions：

A kind of adjustable imaging device for solving the polynary depth of field, including light source, measured object, convex lenss, transparent vessel and CMOS photo-sensitive cells, the transparent vessel include that square casing and baffle plate, the square casing and baffle plate surround to form cavity, institute State the inwall hermetic seal of the right and left of baffle plate, base and the square casing, the cavity built with liquid, on the baffle plate Straight-bar is connected with, the straight-bar is connected with handheld board, the straight-bar is slided with the fluting for being arranged on the square casing upper surface Connection, is additionally provided with dust-separation piece, pore, the CMOS photo-sensitive cells and a computer is provided with the dust-separation piece on the baffle plate Connection, the reflection of light Jing measured objects sequentially pass through convex lenss and transparent vessel, fall on CMOS photo-sensitive cells.

Further, the right and left of the baffle plate and base are provided with sealing strip.

Further, the sealing strip is made using butadiene-styrene rubber.

Further, the dust-separation piece is located at the lower section of the fluting.

Further, the square casing and baffle plate are glass materials.

Further, the liquid is transparency liquid.

Further, the pore is the circular hole of a diameter of 1～3mm.

Further, the quantity of the straight-bar and fluting is each 2.

Further, anti-slip veins are provided with the handheld board.

Compared with prior art, the beneficial effects of the utility model are：

It is well known that add parallel glass piece in the optical path will can move into clear image position backward, fall into sharply defined image To in photo-sensitive cell, traditional mode of operation is, when in shooting, multiple have the object of multiple different distances, to need first to calculate institute The thickness of sheet glass is needed, corresponding parallel glass piece is changed, superior part of the present utility model is, by moving stop, can change The thickness of bleach container, so as to supplement between subject due to the different optical path differences for producing of distance, the principle phase with focusing Closely, so that into sharply defined image position change, can drop on CMOS photo-sensitive cells, it is not necessary to go to change parallel glass piece, reach Convenient practical purpose, meanwhile, baffle plate the right and left and base be provided with sealing strip, can greatly baffle plate and square casing Sealing, it is to avoid liquid leakage, sealing strip are made using butadiene-styrene rubber, wear-resisting durable.

Description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, is used for explaining together with embodiment of the present utility model This utility model, is not constituted to restriction of the present utility model, in the accompanying drawings：

Fig. 1 is the imaging optical path figure of imaging device described in the utility model；

Fig. 2 is the structural representation of the transparent vessel；

Fig. 3 is the AA faces schematic diagram of Fig. 2；

Fig. 4 is the structural representation of baffle plate.

In figure：1-light source, 2-testee, 3-convex lenss, 4-CMOS photo-sensitive cells, 5-square casing, 6-gear Plate, 7-cavity, 8-liquid, 9-straight-bar, 10-handheld board, 11-fluting, 12-dust-separation piece, 13-pore.

Specific embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain this utility model, be not used to limit this utility model.

As shown in figure 1, a kind of adjustable imaging device for solving the polynary depth of field, including light source 1, measured object 2, convex lenss 3rd, transparent vessel and CMOS photo-sensitive cells 4, CMOS photo-sensitive cells 4 are connected with computer, and transparent vessel includes square casing 5 and baffle plate 6, action principle of the present utility model is that the thickness of transparent vessel is passed through with light regulating by the right position of moving stop 6, So as to change the refraction size of light, sharply defined image is finally made to drop in photo-sensitive cell 4, as shown in Figures 2 to 4,5 He of square casing Baffle plate 6 is surrounded and forms cavity 7, the inwall hermetic seal of the right and left, base and square casing 5 of baffle plate 6, the left and right two of baffle plate 6 Side and base are provided with sealing strip, for strengthening the sealing of baffle plate 6 and 5 inwall of square casing, it is preferable that sealing strip is to adopt Butadiene-styrene rubber is made, wear-resistant, it is not easy to damage, and in cavity 7 built with liquid 8, in the present embodiment, liquid 8 is Prescribed liquid, under the premise that security is guaranteed, the higher liquid of optional refractive index, liquid 8 are used to increase transparent vessel refractive index, Straight-bar 9 is connected with baffle plate 6, straight-bar 9 is connected with handheld board 10, straight-bar 9 and the fluting 11 for being arranged on 5 upper surface of square casing It is slidably connected, during use, with hand-held firmly handheld board 10, left and right pushes hard, you can controlling baffle plate 6 is sliding in 5 interior left and right of square casing It is dynamic, so as to the thickness of transparent vessel can be changed, to adjust the refractive index for adapting to different depth of field measured objects, it is provided with handheld board 10 Anti-slip veins, when preventing from using, handss skid, and dust-separation piece 12 is additionally provided with baffle plate 6, and dust-separation piece 12 is located at the lower section of fluting 11, uses In the isolation of dust to external world, it is to avoid enter into and pollute in liquid 8, pore 13 is provided with dust-separation piece 12, for gas Turnover, in the present embodiment, pore 13 is the circular hole of a diameter of 2mm, and light source 1 is projected on measured object 2, and light Jing is tested The amount reflection of thing 2 sequentially passes through convex lenss 3 and transparent vessel, falls on CMOS photo-sensitive cells 4.

Preferably, square casing 5 and baffle plate 6 are glass materials.

Preferably, the quantity of straight-bar and fluting is each 2.

Finally it should be noted that：Preferred embodiment of the present utility model is these are only, is not limited to practical It is new, although being described in detail to this utility model with reference to embodiment, for a person skilled in the art, its according to So the technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replace Change, but it is all within spirit of the present utility model and principle, and any modification, equivalent substitution and improvements made etc. all should be included Within protection domain of the present utility model.

This work obtains following scientific research project and subsidizes：

Guangdong Natural Science fund project (2015A030313633), Guangdong Educational Department's major research item (2014KTSCX153), Foshan City's the construction of science innovation stage project (2016038), Foshan Science ＆. Technology College's basic research item Mesh (2014042), Foshan City's development in science and technology research foundation project (2012AA100451).

Claims

1. a kind of adjustable imaging device for solving the polynary depth of field, it is characterised in that including light source, measured object, convex lenss, thoroughly Bright container and CMOS photo-sensitive cells, the transparent vessel include that square casing and baffle plate, the square casing and baffle plate surround shape Into cavity, the right and left of the baffle plate, the inwall hermetic seal of base and the square casing, the cavity built with liquid, Straight-bar is connected with the baffle plate, the straight-bar is connected with handheld board, the straight-bar be arranged on the square casing upper surface Fluting be slidably connected, dust-separation piece is additionally provided with the baffle plate, pore on the dust-separation piece, is provided with, the photosensitive unit of the CMOS Part is connected with a computer, and the reflection of light Jing measured objects sequentially passes through convex lenss and transparent vessel, falls on CMOS photo-sensitive cells.

2. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that the baffle plate The right and left and base be provided with sealing strip.

3. a kind of adjustable imaging device for solving the polynary depth of field according to claim 2, it is characterised in that the sealing Bar is made using butadiene-styrene rubber.

4. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that the dust-separation Piece is located at the lower section of the fluting.

5. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that described square Housing and baffle plate are glass materials.

6. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that the liquid It is transparency liquid.

7. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that the pore It is the circular hole of a diameter of 1～3mm.

8. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that the straight-bar It is each 2 with the quantity of fluting.

9. a kind of adjustable imaging device for solving the polynary depth of field according to claim 1, it is characterised in that described hand-held Anti-slip veins are provided with plate.