CN107272173A - Strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field - Google Patents
Strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field Download PDFInfo
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- CN107272173A CN107272173A CN201710679631.4A CN201710679631A CN107272173A CN 107272173 A CN107272173 A CN 107272173A CN 201710679631 A CN201710679631 A CN 201710679631A CN 107272173 A CN107272173 A CN 107272173A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Optics & Photonics (AREA)
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- Astronomy & Astrophysics (AREA)
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Abstract
The present invention relates to a kind of strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field, along light, incident direction is sequentially provided with focal power from left to right is that positive preceding fixed group A, focal power are that negative zoom group B, focal power are that positive compensation group C, iris D, focal power are positive rear fixed group E in the optical system of camera lens；Preceding fixed group A includes touching the first gluing unit of gluing, biconvex lens A 3, positive crescent moon lens A 4 by bearing crescent moon lens A 1 and positive crescent moon lens A 2；Zoom group B includes touching the second gluing unit of gluing, biconcave lens B 4 by bearing crescent moon lens B 1 and biconvex lens B 2 and biconcave lens B 3；The compensation group C includes biconvex lens C 1, touches the 3rd gluing unit of gluing, positive crescent moon lens C 4 by bearing crescent moon lens C 2 and biconvex lens C 3；Fixed group E includes touching the 4th glued gluing unit, colour filter E 3, biconvex lens E 4, concave-concave microscope group E 5, positive crescent moon lens E 6 by biconcave lens E 1 and positive crescent moon lens E 2 afterwards.
Description
Technical field
The present invention relates to a kind of strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field, belong to photoelectricity skill
Art field.
Background technology
Under the haze weather conditions such as rain, snow, mist, common pick-up lens detection range will be reduced seriously, extreme case
Under, echo signal can be even submerged among background signal, and camera system can not be used normally；When service band is wider, such as
It is required that when visible light wave range can work near infrared band, due to the influence of the aberrations such as second order spectrum, conventional light path structure
The characteristics of generally existing zoom multiple is small, resolution ratio is not high；Common camera system is only limitted to obtain the image information of target, it is impossible to
Obtain the digital information of such as physical dimension.
Constantly reduce with the pixel dimension of imaging sensor, its characteristic frequency increases sharply, photo electric video frequency monitoring by
Scenery pure " viewing " developed into " identification and cognition " now or even measured to external world in the past；Can only be to good light from the past
The uninterrupted continuous monitoring monitored under the mal-conditions such as rain, snow, mist according under the conditions of；Therefore, it is necessary to widen work as far as possible
Make spectral coverage, improve level of resolution, and as far as possible many other necessary informations of output（Such as current system focal length value, visual field are worth
Deng）, improve product competitiveness.
The content of the invention
The purpose of the present invention is that there is provided a kind of simple in construction have the continuous output work in visual field for above weak point
The strong Penetrating Fog high definition zooming camera lens of energy.
The technical scheme is that, a kind of strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field,
Along light, incident direction is sequentially provided with focal power from left to right is positive preceding fixed group A, light focus in the optical system of the camera lens
Degree is that negative zoom group B, focal power are that positive compensation group C, iris D, focal power are positive rear fixed group E；It is solid before described
Surely group A includes the first gluing unit, the lenticular by bearing crescent moon lens A-1 and positive crescent moon lens A-2 contiguity gluings set gradually
Mirror A-3, positive crescent moon lens A-4；The zoom group B include setting gradually by negative crescent moon lens B-1 and biconvex lens B-2 and double
The second glued gluing unit of concavees lens B-3 contiguity, biconcave lens B-4；The compensation group C includes the biconvex lens C- set gradually
1st, the 3rd glued gluing unit, positive crescent moon lens C-4 are touched by bearing crescent moon lens C-2 and biconvex lens C-3；Fixed group after described
What E included setting gradually touch the 4th glued gluing unit by biconcave lens E-1 and positive crescent moon lens E-2, colour filter E-3, double
Convex lens E-4, concave-concave microscope group E-5, positive crescent moon lens E-6.
Further, the airspace between the preceding fixed group A and zoom group B is 1.5~87 mm, and zoom group B is with mending
It is 1.5~118 mm to repay the airspace between group C, the airspace between compensation group C and rear fixed group E is 4.50~
35.50mm。
Further, in the preceding fixed group A, by bearing crescent moon lens A-1 and positive crescent moon lens A-2 touches gluing first
Airspace between gluing unit and biconvex lens A-3 is 1.5mm, the air between biconvex lens A-3 and positive crescent moon lens A-4
Interval is 0.2mm；In the zoom group B, touch gluing by bearing crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3
Airspace between second gluing unit and biconcave lens B-4 is 3.5mm；In the compensation group C, biconvex lens C-1 with by bearing
Airspace between the 3rd glued gluing unit of crescent moon lens C-2 and biconvex lens C-3 contiguity is 0.2mm, saturating by negative crescent moon
Airspace between the 3rd glued gluing unit of mirror C-2 and biconvex lens C-3 contiguity and positive crescent moon lens C-4 is 0.2mm；Institute
After stating in fixed group E, between the 4th gluing unit and colour filter E-3 that gluing is touched by biconcave lens E-1 and positive crescent moon lens E-2
Airspace be 22.50mm, airspace between colour filter E-3 and biconvex lens E-4 is 13.7mm, biconvex lens E-4
Airspace between concave-concave microscope group E-5 is 3.5mm, and the airspace between concave-concave microscope group E-5 and positive crescent moon lens E-6 is
13.1mm。
Further, the mechanical structure of the camera lens include being used for it is fixed before a fixed group A, zoom group B, compensation group C, variable
Light bar D, rear fixed group E picture frame, power zoom mechanism, electromotion focusing mechanism, motorized color chip switching structure, video camera are fixed
And adjustment mechanism and connecting bottom board.
Further, the picture frame includes primary mirror seat, rear microscope base, colour filter bar and the colour filter set gradually from left to right
Lid, the rear end and the front end of rear microscope base of primary mirror seat are spirally connected, and the primary mirror seat leading portion inwall is connected with preceding group of microscope base, the preceding group mirror
It is equipped with the first glued gluing of preceding group of trim ring, negative crescent moon lens A-1 and positive crescent moon lens A-2 contiguity in seat successively from left to right
Group, preceding group of spacer ring A, biconvex lens A-3, preceding group of spacer ring B, positive crescent moon lens A-4, the primary mirror seat stage casing inwall are equipped with zoom
Zoom trim ring, negative crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3 contiguity are equipped with microscope base, the zoom microscope base
Second gluing unit of gluing, zoom group spacer ring, biconcave lens B-4, the primary mirror seat back segment inwall is equipped with compensation microscope base, described
Compensate microscope base built-in equipped with biconvex lens C-1, compensation group spacer ring A, by negative crescent moon lens C-2 and biconvex lens C-3 contiguity gluing
The 3rd gluing unit, compensation group spacer ring B, positive crescent moon lens C-4, compensation trim ring, the rear microscope base leading portion inwall is bolted with rear group
It is equipped with before preceding microscope base, the rear group in microscope base by the 4th glued gluing of biconcave lens E-1 and positive crescent moon lens E-2 contiguity
Group, rear group trim ring A, the colour filter bar is built-in be furnished with and be bolted with colour filter E-3, colour filter trim ring, the colour filter lid after
Microscope base after group, biconvex lens E-4, rear group spacer ring A, concave-concave microscope group E-5, rear group spacer ring B, just are equipped with after described rear group in microscope base
Crescent moon lens E-6, rear group trim ring B.
Further, the power zoom mechanism includes motor rack, the cam positioned at primary mirror seat peripheral part, after cam
The cam trim ring at end, the zoom balladeur train positioned at primary mirror seat Inner Front End, compensation balladeur train, magnet steel, Hall positioned at the interior rear end of primary mirror seat
Component holder, Hall element, the motor rack be provided with motor, motor gear, potentiometer, potentiometer gear, motor gear with it is convex
The cam guide pin being connected respectively with zoom balladeur train, compensation balladeur train is equipped with the gear engagement of wheel, the cam, the zoom is slided
Zoom microscope base is equipped with frame, at the same with primary mirror seat be slidably matched, it is described compensation balladeur train in be equipped with compensating glass seat, while with master
Microscope base is slidably matched.
Further, the electromotion focusing mechanism includes motor rack, potentiometer frame, the focusing positioned at primary mirror seat front end periphery
Ring, the focusing ring trim ring of focusing ring front end, magnet steel, Hall element seat, Hall element, the motor rack are provided with motor, motor
Gear, the potentiometer frame is provided with potentiometer, potentiometer gear, the focusing ring and is equipped with the tune being connected with preceding group of microscope base
Burnt guide pin.
Further, the motorized color chip switching structure includes motor rack, transition wheel, rotating disk, Hall element seat, Hall
Element, the motor rack is provided with motor, motor gear, the rotating disk and is provided with color filter film E-3, the color filter film E-
3 include visible ray color filter film and near-infrared color filter film.
Further, the video camera is fixed and adjustment mechanism includes CCD, CCD frame, CCD fixed plates, insulation board, CCD pressures
Plate.
Further, the biconvex lens A-3, positive crescent moon lens A-4 are made up of ED material N-PK52A.
Compared with prior art, the invention has the advantages that：（1）This has the strong of the continuous output function in visual field
The optical system structure of mist high definition zooming camera lens is simple.（2）Using positive group collocation structure, be conducive to improving focal length resolution ratio
The characteristics of, the focal power ability to take the burden of fixed lens group before axle glazed thread height highest is improved, and use multi-disc ED（It is ultralow
Dispersion）Material, significantly reduces the aberrations such as optical lens second order spectrum, significantly improves the resolution ratio of camera lens, reaches 400
Ten thousand pixels, can be adapted to the video camera of fine definition；Improve camera system right under the haze weather conditions such as rain, snow, mist
The detectivity of distant object.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the optical system schematic diagram of the inventive embodiments；
Fig. 2 is that the inventive embodiments are schemed in the MTF of visible light wave range；
Fig. 3 is that the inventive embodiments are schemed in the MTF of near infrared band；
Fig. 4 is the lens construction sectional view of the inventive embodiments；
Fig. 5 is the power zoom mechanism map one of the inventive embodiments；
Fig. 6 is the power zoom mechanism map two of the inventive embodiments；
Fig. 7 is the electromotion focusing mechanism map one of the inventive embodiments；
Fig. 8 is the electromotion focusing mechanism map two of the inventive embodiments；
Fig. 9 schemes for the motorized color piece switching of the inventive embodiments；
Figure 10 is fixed and adjustment mechanism figure for the CCD of the inventive embodiments；
In figure：
Fixed group A before A-；B- zoom groups B；C- compensation groups C；D- iris D；Fixed group E after E-；A-1 bears crescent moon lens A-1；
The positive crescent moon lens A-2 of A-2；A-3 biconvex lens A-3；The positive crescent moon lens A-4 of A-4；B-1 bears crescent moon lens B-1；B-2 biconvex lens
B-2；B-3 biconcave lens B-3；B-4 biconcave lens B-4；C-1 biconvex lens C-1；C-2 bears crescent moon lens C-2；C-3 biconvex lens
C-3；The positive crescent moon lens C-4 of C-4；E-1 biconcave lens E-1；The positive crescent moon lens E-2 of E-2；E-3 colour filters E-3；E-4 biconvex lens
E-4；E-5 concave-concave microscope groups E-5；The positive crescent moon lens E-6 of E-6.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~10, a kind of strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field, the mirror
Along light, incident direction is sequentially provided with focal power from left to right is that positive preceding fixed group A, focal power are negative in the optical system of head
Zoom group B, focal power be that positive compensation group C, iris D, focal power are positive rear fixed group E；Fixed group A bags before described
Include set gradually touch the first glued gluing unit, biconvex lens A-3, just by bearing crescent moon lens A-1 and positive crescent moon lens A-2
Crescent moon lens A-4；The zoom group B is including setting gradually by bearing crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-
The second glued gluing unit of 3 contiguity, biconcave lens B-4；The compensation group C include set gradually biconvex lens C-1, by bear the moon
The 3rd glued gluing unit of tooth lens C-2 and biconvex lens C-3 contiguity, positive crescent moon lens C-4；After described fixed group E include according to
Fourth gluing unit glued by biconcave lens E-1 and positive crescent moon lens E-2 contiguity of secondary setting, colour filter E-3, biconvex lens E-
4th, concave-concave microscope group E-5, positive crescent moon lens E-6.
In the present embodiment, the airspace between the preceding fixed group A and zoom group B is 1.5~87 mm, zoom group B
Airspace between compensation group C is 1.5~118 mm, the airspace between compensation group C and rear fixed group E is 4.50~
35.50mm。
In the present embodiment, in the preceding fixed group A, gluing is touched by bearing crescent moon lens A-1 and positive crescent moon lens A-2
Airspace between first gluing unit and biconvex lens A-3 is 1.5mm, between biconvex lens A-3 and positive crescent moon lens A-4
Airspace is 0.2mm；In the zoom group B, glue is touched by negative crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3
Airspace between the second gluing unit and biconcave lens B-4 closed is 3.5mm；In the compensation group C, biconvex lens C-1 with
It is 0.2mm by bearing the airspace between the 3rd glued gluing unit of crescent moon lens C-2 and biconvex lens C-3 contiguity, by bearing the moon
Airspace between the 3rd glued gluing unit of tooth lens C-2 and biconvex lens C-3 contiguity and positive crescent moon lens C-4 is
0.2mm；After described in fixed group E, the 4th gluing unit and the colour filter of gluing are touched by biconcave lens E-1 and positive crescent moon lens E-2
Airspace between piece E-3 is 22.50mm, and the airspace between colour filter E-3 and biconvex lens E-4 is 13.7mm, double
Airspace between convex lens E-4 and concave-concave microscope group E-5 is 3.5mm, between concave-concave microscope group E-5 and positive crescent moon lens E-6
Airspace is 13.1mm.
In the present embodiment, the mechanical structure of the camera lens include being used for it is fixed before a fixed group A, zoom group B, compensation group C,
Iris D, rear fixed group E picture frame, power zoom mechanism 15, electromotion focusing mechanism 11, motorized color chip switching structure 26,
Video camera is fixed and adjustment mechanism 36 and connecting bottom board.
In the present embodiment, the picture frame include set gradually from left to right primary mirror seat 8, rear microscope base, colour filter bar and
Colour filter lid, the rear end and the front end of rear microscope base of primary mirror seat are spirally connected, and the primary mirror seat leading portion inwall is connected with preceding group of microscope base 7, institute
State and be equipped with preceding group of trim ring 6, negative crescent moon lens A-1 and positive crescent moon lens A-2 contiguity gluing in preceding group of microscope base successively from left to right
The first gluing unit 3, preceding group of spacer ring A1, biconvex lens A-3（4）, preceding group of spacer ring B2, positive crescent moon lens A-4（5）, preceding group of spacer ring A
Control dimensional tolerance, it is ensured that the first glued gluing unit of negative crescent moon lens A-1 and positive crescent moon lens A-2 contiguity and biconvex lens A-
Airspace 1.50mm between 3, preceding group of spacer ring B control dimensional tolerance, it is ensured that biconvex lens A-3 and positive crescent moon lens A-4 it
Between airspace 0.20mm, primary mirror seat stage casing inwall, which is equipped with zoom microscope base 12, the zoom microscope base, is equipped with change
The second glued gluing unit 10 of times trim ring 9, negative crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3 contiguity, zoom group
Spacer ring 13, biconcave lens B-4（14）, zoom group spacer ring control dimensional tolerance, it is ensured that negative crescent moon lens B-1 and biconvex lens B-2
Airspace 3.50mm between the second glued gluing unit of biconcave lens B-3 contiguity and biconcave lens B-4, the primary mirror seat
Back segment inwall is equipped with compensation microscope base 21, and the compensation microscope base is built-in to be furnished with biconvex lens C-1（19）, compensation group spacer ring A20, by
The 3rd glued gluing unit of negative crescent moon lens C-2 and biconvex lens C-3 contiguity, compensation group spacer ring B, positive crescent moon lens C-4, compensation
Trim ring 27, compensation group spacer ring A control dimensional tolerances, it is ensured that biconvex lens C-1 and negative crescent moon lens C-2 and biconvex lens C-3 are close
Meet the airspace 0.20mm, compensation group spacer ring B between the 3rd gluing unit 24 of gluing（25）Control dimensional tolerance, it is ensured that biconvex
The 3rd glued gluing unit of lens C-1 and negative crescent moon lens C-2 and biconvex lens C-3 contiguity and positive crescent moon lens C-4（28）It
Between airspace 0.20mm, the rear leading portion inwall of microscope base 29 is bolted with microscope base 43 before rear group, it is described after before group microscope base it is built-in
Equipped with the 4th gluing unit 44 for touching gluing by biconcave lens E-1 and positive crescent moon lens E-2, rear group trim ring A（42）, the colour filter
It is equipped with bar 30 in colour filter E-3, colour filter trim ring 41, the colour filter lid 31 and is bolted with microscope base 32 after rear group, it is described
It is equipped with biconvex lens E-4, rear group spacer ring A after group in microscope base afterwards（38）, concave-concave microscope group E-5（37）, rear group spacer ring B, positive crescent moon
Lens E-6（34）, rear group trim ring B（33）, colour filter bar control dimensional tolerance, it is ensured that biconcave lens E-1 and positive crescent moon lens E-2
Touch the 4th glued gluing unit and colour filter E-3（40）Between airspace 22.50mm, colour filter lid control size is public
Difference, it is ensured that colour filter E-3 and biconvex lens E-4（39）Between airspace 13.70mm, rear group spacer ring A control dimensional tolerances,
Ensure the airspace 3.50mm between biconvex lens E-4 and concave-concave microscope group E-5；Group spacer ring B after described（35）Control size public
Difference, it is ensured that the airspace 13.10mm between concave-concave microscope group E-5 and positive crescent moon lens E-6, primary mirror seat passes through hexagonal in 2 M4
Screw is rigidly connected with bottom plate 45, and the rear microscope base is rigidly connected by 2 M4 soket head cap screws with bottom plate.
In the present embodiment, the power zoom mechanism includes motor rack 46, the cam 17 positioned at primary mirror seat peripheral part, position
Cam trim ring 23 in cam rear end, the zoom balladeur train 16 positioned at primary mirror seat Inner Front End, the compensation positioned at the interior rear end of primary mirror seat are slided
Frame 18, magnet steel 47, Hall element seat 48, Hall element 49, the motor rack are provided with motor 50, motor gear 51, potentiometer
52nd, potentiometer gear 53, motor gear is engaged with the gear of cam, be equipped with the cam respectively with zoom balladeur train, compensation
Zoom microscope base is equipped with the cam guide pin 22 of balladeur train connection, the zoom balladeur train, while be slidably matched with primary mirror seat, it is described to mend
Repay and compensating glass seat is equipped with balladeur train, while being slidably matched with primary mirror seat；The motor rack passes through 2 M3 soket head cap screws and master
Microscope base is rigidly connected, and the motor rack is provided with motor, motor gear, potentiometer, potentiometer gear, the motor gear and electricity
Machine is rigidly connected, and the potentiometer gear is rigidly connected with potentiometer, and the motor gear is engaged with potentiometer gear precision, institute
State motor gear to engage with cam precision, the cam is placed in outside primary mirror seat, and locked with cam trim ring, and the cam is built-in
Equipped with cam guide pin, the cam guide pin is separately mounted on zoom balladeur train and compensation balladeur train, the zoom balladeur train and zoom mirror
Seat connection, is coordinated using screw thread and main front, can effectively ensure that concentricity requirement, and the zoom balladeur train is slided with primary mirror seat matches somebody with somebody
Close, the compensation balladeur train is connected with compensation microscope base, coordinated using screw thread and main front, can effectively ensure that concentricity requirement, institute
State compensation balladeur train to be slidably matched with primary mirror seat, when the cam rotates to two ends extreme position, pass through Hall element inductive magnetic steel
It is spacing.
In the present embodiment, the electromotion focusing mechanism includes motor rack 46, potentiometer frame 54, outside primary mirror seat front end
Focusing ring 55, the focusing ring trim ring 56 of focusing ring front end, magnet steel 47, Hall element seat 48, the Hall element 49, the motor in week
Frame is provided with motor, motor gear, and the potentiometer frame is provided with potentiometer, potentiometer gear, the focusing ring and is equipped with
The focusing guide pin 57 being connected with preceding group of microscope base, the motor rack is rigidly connected by 2 M3 soket head cap screws with primary mirror seat.It is described
Motor rack is provided with motor, motor gear, and the motor gear is rigidly connected with motor, and the motor gear is accurate with focusing ring
Engagement, the potentiometer frame is rigidly connected by 2 M3 soket head cap screws with primary mirror seat, and the potentiometer frame is provided with current potential
Device, potentiometer gear, the potentiometer gear are rigidly connected with potentiometer, and the potentiometer gear is engaged with focusing ring precision,
The focusing ring is placed in outside primary mirror seat, and locked with focusing ring trim ring, and focusing guide pin, the tune are equipped with the focusing ring
Burnt guide pin is arranged on preceding group microscope base, and the preceding group microscope base is slidably matched with primary mirror seat, and the focusing ring rotates to the two ends limit
It is spacing by Hall element inductive magnetic steel during position.
In the present embodiment, the motorized color chip switching structure includes motor rack 46, transition wheel 58, rotating disk 59, Hall
Component holder 48, Hall element 49, the motor rack are provided with motor, motor gear, the rotating disk and are provided with color filter film E-
3, the color filter film E-3 include visible ray color filter film and near-infrared color filter film, the operation wavelength of near-infrared color filter film
For 750~900nm, the motor rack is rigidly connected by 2 M3 soket head cap screws and colour filter bar, and the motor rack is provided with
Motor, motor gear, the motor gear are rigidly connected with motor, and the motor gear is engaged with transition wheel precision, the mistake
Ferry boat is engaged with rotating disk precision, the colour filter of 2 kinds of different wave lengths is equipped with the colour filter rotating disk, and locked with colour filter trim ring
Tightly, the rotating disk is rotated, and realizes the effect switched between different colour filters, the colour filter turntable rotation in place when,
It is spacing by Hall element inductive magnetic steel.
In the present embodiment, the video camera fix and adjustment mechanism include CCD61, CCD frame 62, CCD fixed plates 64, absolutely
Listrium 63, CCD pressing plates 60, the CCD are rigidly connected by 4 M3 soket head cap screws and CCD fixed plates, the CCD fixed plates
It is rigidly connected by 4 M3 soket head cap screws and CCD framves, the CCD framves are firm by 4 M3 soket head cap screws and colour filter lid 31
Property connection, overlapping for CCD and camera lens optical axis is realized by adjusting the CCD framves with the CCD fixed plates.
In the present embodiment, the biconvex lens A-3, positive crescent moon lens A-4 are made up of ED material N-PK52A.
In the present embodiment, the physical parameter of its each eyeglass meets data demand shown in table 1：
The requirement of the eyeglass physical parameter of table 1
| Surface | Radius of curvature（mm） | Thickness（mm） | Material |
| 1 | 235≤R≤240 | 4 | LAF13 |
| 2 | 76.7≤R≤78.5 | 9.2 | LAFN23 |
| 3 | 140≤R≤145 | 1.5 | AIR |
| 4 | 130≤R≤133 | 10.5 | N-PK52A |
| 5 | -382.32≤R≤-360 | 0.2 | AIR |
| 6 | 97.1≤R≤98.15 | 10.0 | N-PK52A |
| 7 | 530.2≤R≤533.925 | 1.5~87 | AIR |
| 8 | -610.252≤R≤-600.010 | 1.6 | LAK31 |
| 9 | 42≤R≤43.8 | 7.8 | ZF52 |
| 10 | -41≤R≤-40.5 | 1.6 | LASF33 |
| 11 | 52≤R≤53.221 | 3.5 | AIR |
| 12 | -65≤R≤-62 | 1.6 | N-LASF31A |
| 13 | 265≤R≤266 | 1.5~118 | AIR |
| 14 | 81≤R≤82.544 | 3.5 | H-LAF1 |
| 15 | -118≤R≤-115 | 0.2 | AIR |
| 16 | 90≤R≤92 | 1.6 | SF57 |
| 17 | 32≤R≤37 | 5 | N-PK52A |
| 18 | -142≤R≤-132 | 0.2 | AIR |
| 19 | 60≤R≤62 | 2.6 | LAFN23 |
| 20 | 200≤R≤223.2 | 4.50~35.50 | AIR |
| 21 | --71≤R≤-73 | 0.8 | N-FK5 |
| 22 | 22≤R≤23.45 | 2.2 | LAKL12 |
| 23 | 94≤R≤96.75 | 22.5 | AIR |
| 24 | Plane | 2 | N-BK7 |
| 25 | Plane | 13.7 | AIR |
| 26 | 46.5≤R≤47.135 | 0.85 | SF4 |
| 27 | -47.135≤R≤46.5 | 3.5 | AIR |
| 28 | --25.42≤R≤-25.35 | 1 | N-LASF31A |
| 29 | 25.2≤R≤25.49 | 13.1 | AIR |
| 30 | 16.852≤R≤17.15 | 4 | N-FK5 |
| 31 | 120≤R≤124 | AIR |
In the present embodiment, the optical system being made up of above-mentioned lens set has reached following optical index：
Focal length：F ' min=27mm, f ' max=338mm；
Relative aperture D/ f '=1/5；
It is adapted to detector：Resolution ratio 2208x2208, pixel dimension 4.54umx4.54um；
Optical texture length ∑ L≤262mm；
Resolution of lens：It is adapted to four mega pixel ccd video cameras or cmos camera；
The transmission spectrum of Penetrating Fog colour filter：750~950nm.
In optical design, preceding fixed group is complicated, increases positive lens, and select ED（ED）Optics material
Material, so improves the focal power ability to take the burden of fixed group before axle glazed thread height highest, significantly reduces optical lens
The aberrations such as second order spectrum, enable camera lens to be imaged in wide spectral range, and resolution ratio is significantly improved, and reach four mega pixels
Level, can be adapted to the video camera of fine definition；For the longer shortcoming of positive group collocation structure optics overall length, fixed group is multiple by after
Hydridization, makes it have the characteristics of taking the photograph remote structure, effectively reduces system bulk, realizes the densification of system.
Using the penetration capacity of near-infrared spectral coverage light, in optical design, near-infrared spectral line is increased（Wavelength X exists
More than 750nm spectral line）Weight, camera lens is also had higher resolution ratio near infrared band；And carry out coatings optimization design,
Optical lens is set to have the transmitance higher than 80% in 450nm ~ 950nm wavelength bands.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field, it is characterised in that：The camera lens
Along light, incident direction is sequentially provided with focal power from left to right is that positive preceding fixed group A, focal power are negative change in optical system
Times group B, focal power are that positive compensation group C, iris D, focal power are positive rear fixed group E；Before described fixed group A include according to
The first gluing unit for touching gluing by bearing crescent moon lens A-1 and positive crescent moon lens A-2 of secondary setting, biconvex lens A-3, positive crescent moon
Lens A-4；The zoom group B is close by negative crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3 including setting gradually
Meet the second gluing unit, the biconcave lens B-4 of gluing；The compensation group C include set gradually biconvex lens C-1, by bear crescent moon
The 3rd glued gluing unit of lens C-2 and biconvex lens C-3 contiguity, positive crescent moon lens C-4；Fixed group E is included successively after described
Set by biconcave lens E-1 and positive crescent moon lens E-2 touch the 4th glued gluing unit, colour filter E-3, biconvex lens E-4,
Concave-concave microscope group E-5, positive crescent moon lens E-6.
2. the strong Penetrating Fog high definition zooming camera lens according to claim 1 with the continuous output function in visual field, its feature
It is：Airspace before described between fixed group A and zoom group B is 1.5~87 mm, between zoom group B and compensation group C
Airspace is 1.5~118 mm, and the airspace between compensation group C and rear fixed group E is 4.50~35.50mm.
3. the strong Penetrating Fog high definition zooming camera lens according to claim 1 with the continuous output function in visual field, its feature
It is：Before described in fixed group A, touch glued the first gluing unit and biconvex by bearing crescent moon lens A-1 and positive crescent moon lens A-2
Airspace between lens A-3 is 1.5mm, and the airspace between biconvex lens A-3 and positive crescent moon lens A-4 is 0.2mm；
In the zoom group B, by bear crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3 touch the second glued gluing unit with
Airspace between biconcave lens B-4 is 3.5mm；In the compensation group C, biconvex lens C-1 with by negative crescent moon lens C-2 and
Airspace between the 3rd glued gluing unit of biconvex lens C-3 contiguity is 0.2mm, by negative crescent moon lens C-2 and lenticular
Airspace between the 3rd glued gluing unit of mirror C-3 contiguity and positive crescent moon lens C-4 is 0.2mm；Fixed group E after described
In, the airspace between the 4th gluing unit and colour filter E-3 of gluing is touched by biconcave lens E-1 and positive crescent moon lens E-2
For 22.50mm, the airspace between colour filter E-3 and biconvex lens E-4 is 13.7mm, biconvex lens E-4 and concave-concave microscope group
Airspace between E-5 is 3.5mm, and the airspace between concave-concave microscope group E-5 and positive crescent moon lens E-6 is 13.1mm.
4. the strong Penetrating Fog high definition zooming camera lens according to claim 1 with the continuous output function in visual field, its feature
It is：The mechanical structure of the camera lens include being used for it is fixed before a fixed group A, zoom group B, compensation group C, iris D, rear fixed
Group E picture frame, power zoom mechanism, electromotion focusing mechanism, motorized color chip switching structure, video camera fix and adjustment mechanism and
Connecting bottom board.
5. the strong Penetrating Fog high definition zooming camera lens according to claim 4 with the continuous output function in visual field, its feature
It is：The picture frame includes primary mirror seat, rear microscope base, colour filter bar and the colour filter lid set gradually from left to right, primary mirror seat
Rear end and the front end of rear microscope base are spirally connected, and the primary mirror seat leading portion inwall is connected with preceding group of microscope base, past from a left side in the preceding group microscope base
The right side be equipped with successively preceding group of trim ring, negative crescent moon lens A-1 and the first glued gluing unit of positive crescent moon lens A-2 contiguity, preceding group every
A, biconvex lens A-3, preceding group of spacer ring B, positive crescent moon lens A-4 are enclosed, the primary mirror seat stage casing inwall is equipped with zoom microscope base, described
Be equipped with zoom microscope base zoom trim ring, negative crescent moon lens B-1 and biconvex lens B-2 and biconcave lens B-3 contiguity it is glued the
Two gluing units, zoom group spacer ring, biconcave lens B-4, the primary mirror seat back segment inwall are equipped with compensation microscope base, the compensation microscope base
Inside it is equipped with biconvex lens C-1, compensation group spacer ring A, touches the 3rd glued glue by bearing crescent moon lens C-2 and biconvex lens C-3
Charge-coupled, compensation group spacer ring B, positive crescent moon lens C-4, compensation trim ring, the rear microscope base leading portion inwall are bolted with microscope base before rear group, institute
State and be equipped with before rear group in microscope base by the 4th glued gluing unit of biconcave lens E-1 and positive crescent moon lens E-2 contiguity, organize trim ring afterwards
A, the colour filter bar is built-in to be furnished with colour filter E-3, colour filter trim ring, is bolted with microscope base after rear group, institute in the colour filter lid
State and be equipped with biconvex lens E-4, rear group spacer ring A, concave-concave microscope group E-5, rear group spacer ring B, positive crescent moon lens E- after rear group in microscope base
6th, rear group trim ring B.
6. the strong Penetrating Fog high definition zooming camera lens according to claim 5 with the continuous output function in visual field, its feature
It is：The power zoom mechanism includes motor rack, the cam positioned at primary mirror seat peripheral part, the cam pressure positioned at cam rear end
Circle, the zoom balladeur train positioned at primary mirror seat Inner Front End, the compensation balladeur train of rear end, magnet steel, Hall element seat, Hall in primary mirror seat
Element, the motor rack is provided with motor, motor gear, potentiometer, potentiometer gear, and the gear of motor gear and cam is nibbled
Close, be equipped with the cam guide pin being connected respectively with zoom balladeur train, compensation balladeur train, the zoom balladeur train and be equipped with the cam
Zoom microscope base, while being slidably matched with primary mirror seat, is equipped with compensating glass seat in the compensation balladeur train, matches somebody with somebody while being slided with primary mirror seat
Close.
7. the strong Penetrating Fog high definition zooming camera lens according to claim 5 with the continuous output function in visual field, its feature
It is：Before the electromotion focusing mechanism is including motor rack, potentiometer frame, the focusing ring positioned at primary mirror seat front end periphery, focusing ring
Focusing ring trim ring, magnet steel, Hall element seat, the Hall element at end, the motor rack are provided with motor, motor gear, the electricity
Position device frame, which is provided with potentiometer, potentiometer gear, the focusing ring, is equipped with the focusing guide pin being connected with preceding group of microscope base.
8. the strong Penetrating Fog high definition zooming camera lens according to claim 5 with the continuous output function in visual field, its feature
It is：The motorized color chip switching structure includes motor rack, transition wheel, rotating disk, Hall element seat, Hall element, the electricity
Frame is provided with motor, motor gear, and color filter film E-3, the color filter film E-3 are provided with the rotating disk includes visible ray
Color filter film and near-infrared color filter film.
9. the strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field according to claim 5, it is special
Levy and be：The video camera is fixed and adjustment mechanism includes CCD, CCD frame, CCD fixed plates, insulation board, CCD pressing plates.
10. the strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field according to claim 1, it is special
Levy and be：The biconvex lens A-3, positive crescent moon lens A-4 are made up of ED material N-PK52A.
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| CN201710679631.4A CN107272173B (en) | 2017-08-10 | 2017-08-10 | Strong Penetrating Fog high definition zooming camera lens with the continuous output function of visual field |
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| CN108873275A (en) * | 2018-06-11 | 2018-11-23 | 青岛奥美克医疗科技有限公司 | Zoom adapter optical system, zoom adapter and endoscopic system |
| CN109116530A (en) * | 2018-08-17 | 2019-01-01 | 福建福光股份有限公司 | A kind of short-wave infrared optics is without thermalization continuous magnification lens |
| CN110460757A (en) * | 2019-08-16 | 2019-11-15 | 广州星博科仪有限公司 | A kind of integrated spectrum pick-up lens and spectrum camera |
| CN110501797A (en) * | 2019-09-20 | 2019-11-26 | 合肥英睿系统技术有限公司 | A kind of infrared lens device that can detect identification visual field automatically |
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| CN114236791A (en) * | 2021-11-17 | 2022-03-25 | 中国航空工业集团公司洛阳电光设备研究所 | Multimode continuous zooming optical system with scanning imaging function |
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