CN107329243A - A kind of big target surface long-focus transmission-type high definition zoom lens - Google Patents
A kind of big target surface long-focus transmission-type high definition zoom lens Download PDFInfo
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- CN107329243A CN107329243A CN201710686907.1A CN201710686907A CN107329243A CN 107329243 A CN107329243 A CN 107329243A CN 201710686907 A CN201710686907 A CN 201710686907A CN 107329243 A CN107329243 A CN 107329243A
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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
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
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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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The present invention relates to a kind of big target surface long-focus transmission-type high definition zoom lens, it 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 that focal power is sequentially provided with the optical system of the camera lens；Fixed group A includes biconvex lens A 1, positive crescent moon lens A 2, the first gluing unit before described；The zoom group B includes the second gluing unit, plano-concave lens B 4；The compensation group C includes biconvex lens C 1, the 3rd gluing unit, positive crescent moon lens C 4；Fixed group E includes the 4th gluing unit, the 5th gluing unit, biconcave lens E 5, biconvex lens E 6 after described.The present invention significantly reduces the aberrations such as optical lens second order spectrum, significantly improves the resolution ratio of camera lens, can be adapted to two mega pixel high definition cameras；The compact mechanical structure of camera lens of the present invention, with functions such as electronic light modulation, electromotion focusing, Power focus, geographical focusing, focal length value outputs.
Description
Technical field
The present invention relates to a kind of big target surface long-focus transmission-type high definition zoom lens, belong to field of photoelectric technology.
Background technology
For focal length monitoring camera, typically using reflective structure, the total length of system, the mesh of compact conformation can be reached
, but the defect such as reflective system is present that the angle of visual field is small, central obscuration is in the light, diffraction limit is reduced, veiling glare is difficult to eliminate；When
During using transmission-type structure, then have that system overall length is difficult to shorten, large-size glass is difficult to selection, aberration especially second order spectrum
The problems such as aberration is difficult to correction；Constantly reduce with the pixel dimension of imaging sensor, its characteristic frequency is increased sharply, and photoelectricity is regarded
Frequency monitoring is also required to improve level of resolution, and as far as possible many other necessary informations of output（Such as current system focal length value）, or
It is required that providing control function as much as possible（Such as electromotion focusing, Power focus, geographical focusing）, improve product competitiveness.
The content of the invention
In view of this, it is an object of the invention to provide a kind of big target surface long-focus transmission-type high definition zoom lens, camera lens is made
Resolution ratio significantly improve, can be adapted to two mega pixel high definition cameras.
The present invention is realized using following scheme：A kind of big target surface long-focus transmission-type high definition zoom lens, the camera lens
It is that the positive preceding fixed A, focal power of organizing is negative zoom group that optical texture, which is included along the focal power that light incident direction is set gradually,
B, focal power are that positive compensation group C, iris D and focal power are positive rear fixed group E；Fixed group A is included successively before described
The biconvex lens A-1 of setting, positive crescent moon lens A-2 and touch glued the by bearing crescent moon lens A-3 and positive crescent moon lens A-4
One gluing unit；The zoom group B is close by negative crescent moon lens B-1, planoconvex spotlight B-2 and plano-concave lens B-3 including setting gradually
Connect the second gluing unit and plano-concave lens B-4 of gluing；The compensation group C include set gradually biconvex lens C-1, by biconvex
The 3rd glued gluing unit of lens C-2 and negative crescent moon lens C-3 contiguity and positive crescent moon lens C-4；Fixed group E includes after described
What is set gradually touches the 4th glued gluing unit, by negative crescent moon lens E-3 and double by biconcave lens E-1 and planoconvex spotlight E-2
Convex lens E-4 contiguity glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6.
Further, the airspace between the preceding fixed group A and zoom group B is 32.36~110.26mm, zoom group
Airspace between B and compensation group C is 3.02~126.84 mm, and the airspace between compensation group C and rear fixed group E is
7.35~53.27mm.
Further, in the preceding fixed group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2 is
0.25mm, the airspace between positive crescent moon lens A-2 and the first gluing unit is 2.27mm；In the zoom group B, second is glued
Airspace between group and plano-concave lens B-4 is 5.76mm；In the compensation group C, biconvex lens C-1 and the 3rd gluing unit it
Between airspace be 0.1mm, airspace between the 3rd gluing unit and positive crescent moon lens C-4 is 0.1mm；It is fixed after described
In group E, airspace between the 4th gluing unit and the 5th gluing unit is 42.09mm, the 5th gluing unit and biconcave lens E-5 it
Between airspace be 20.45mm, airspace between biconcave lens E-5 and biconvex lens E-6 is 51.58mm.
Further, the planoconvex spotlight A-2, biconvex lens C-2 are made up of ED material H-FK71.
Further, the mechanical mechanism of the camera lens includes focusing microscope group 41, the change set gradually along optics incident direction
Burnt microscope group 43 and light modulation microscope group 46.
Further, the focusing microscope group fixed group A outer circumferential sides before being sheathed on, including A pieces trim ring, focusing drum, body tube,
Focusing ring, focusing ring packing ring, AB adjustment circle, BCD microscope bases, BC spacer rings, D pieces trim ring and electromotion focusing mechanism；The biconvex lens
A-1 loads in focusing drum, and is compressed by A pieces trim ring；The positive crescent moon lens A-2 and saturating by negative crescent moon lens A-3 and positive crescent moon
The first glued gluing of mirror A-4 contiguity is assembled into BCD microscope bases, and is compressed by D pieces trim ring；By the AB adjustment circle, BCD microscope bases according to
Secondary to be transferred in focusing drum, the focusing drum loads in body tube, and the focusing ring is outside body tube, the focusing ring and focusing ring
Steel ball is housed between packing ring, focusing body tube；The electromotion focusing mechanism includes focusing motor, focusing ring and control focusing position
The focusing Hall element put, the focusing motor is by focusing motor rack on body tube, and the focusing Hall element leads to
Cross focusing Hall element seat to be arranged on body tube, three Precision Machinings and 90 ° of uniform guide grooves offered on the body tube,
It is provided with the motor shaft of the focusing motor in focusing motor gear, the focusing ring installation and focusing drawtube and focusing motor
Gear is meshed, and three 90 ° uniform focusing guide pins, the focusing guide pin and guide groove one are fixed with the focusing drawtube the week side of boss
One is engaged, and the focusing ring drives focusing drum to move forward and backward by guide pin of focusing, and spacing by Hall element progress of focusing.
Further, the zoom microscope group is sheathed on zoom group B and compensation group C outer circumferential side, including zoom balladeur train, compensation
Balladeur train, zoom lens barrel, compensation lens barrel, zoom cam and electric continuous zooming heat mechanism；The zoom group B and compensation group C live respectively
It is dynamic to be installed on the zoom balladeur train and compensation balladeur train；The zoom balladeur train and compensation balladeur train are installed in body tube successively；Institute
Zoom cam is stated on body tube, the zoom cam offers 4 curved grooves；The electric continuous zooming heat mechanism includes
Zoom motor, zoom potentiometer, cam and the zoom Hall element for controlling long short focus position, the Hall element pass through
Zoom Hall element seat is arranged on body tube, and the zoom motor, zoom potentiometer are arranged on master by zoom motor frame
On lens barrel, the zoom motor gear closed with cam meshing, the zoom potentiometer are installed on the motor shaft of the zoom motor
Axle on be provided with zoom cam meshing close zoom potentiometer gear.
Further, the light modulation microscope group is sheathed on iris D and rear fixed group E outer circumferential side, including light bar seat, after
Group lens barrel, N pieces trim ring, PQ spacer rings, QR spacer rings, rear group trim ring and electronic dimming mechanism；It is described by biconcave lens E-1 and plano-convex
The 4th glued gluing unit of lens E-2 contiguity is installed in light bar seat and compressed by N pieces trim ring, the negative crescent moon lens E-3 and
The 5th glued gluing unit of biconvex lens E-4 contiguity, biconcave lens E-5, biconvex lens E-6 are installed in rear group of lens barrel successively,
And group trim ring is fixed after；The 5th glued gluing unit of negative crescent moon lens E-3 and biconvex lens the E-4 contiguity and biconcave lens
Separated, separated between the biconcave lens E-5 and biconvex lens E-6 with QR spacer rings with PQ spacer rings between E-5；The electronic light modulation
Mechanism includes light bar motor, light bar potentiometer, light bar regulation ring, light bar rotating ring, light bar piece and for controlling light bar opening big
The light bar Hall element of small position, the light bar Hall element is arranged on light bar seat by light bar Hall element seat, the light
Column motor, light bar potentiometer are arranged on light bar seat by light bar motor rack；Head and light bar are fixed with the light bar rotating ring
The light bar that regulation ring inboard groove is engaged dials nail, and the light bar rotating ring is pressed in light bar seat by light bar rotating ring trim ring, described
Light bar rotating ring drives light bar piece to rotate.
Compared with prior art, the invention has the advantages that：Using positive group collocation structure, be conducive to improving focal length
The characteristics of resolution ratio, 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（ED）Material, significantly reduces the aberrations such as optical lens second order spectrum, significantly improves the resolution ratio of camera lens, reaches
To two mega pixels, it can be adapted to the video camera of fine definition.
For the objects, technical solutions and advantages of the present invention are more clearly understood, specific embodiment and phase will be passed through below
Accompanying drawing is closed, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is the optical texture schematic diagram of the embodiment of the present invention.
Fig. 2 is the mechanical structure total figure of the embodiment of the present invention.
Fig. 3 is the profile of the focusing microscope group of the embodiment of the present invention.
The side view of the focusing microscope group of Fig. 4 embodiment of the present invention.
Fig. 5 is the profile of the zoom microscope group of the embodiment of the present invention.
Fig. 6 is the side view of the zoom microscope group of the embodiment of the present invention.
The profile of the light modulation microscope group of Fig. 7 embodiment of the present invention.
Fig. 8 is the side view of the light modulation microscope group of the embodiment of the present invention.
In figure：Fixed group A, A-1- biconvex lens A-1, A-2- positive crescent moon lens A-2, A-3- bear crescent moon lens A-3 before A-,
The positive crescent moon lens A-4 of A-4-；B- zoom groups B, B-1- bear crescent moon lens B-1, B-2- planoconvex spotlight B-2, B-3- plano-concave lens B-
3, B-4- plano-concave lens B-4；C- compensation group C, C-1- biconvex lens C-1, C-2- biconvex lens C-2, C-3- bear crescent moon lens C-
3, C-4- positive crescent moon lens C-4；D- iris D；Fixed group E, E-1- biconcave lens E-1, E-2- planoconvex spotlight E-2 after E-,
E-3- bears crescent moon lens E-3, E-4- biconvex lens E-4, E-5- biconcave lens E-5, E-6- biconvex lens E-5；
41- focusing microscope groups, 42- electromotion focusings mechanism, 43- zoom microscope groups, 44- electric continuous zooming heats mechanism, 45- electric adjustable ray machines
Structure, 46- light modulation microscope groups；
55-A piece trim rings, 56- focusing drums, 57- body tubes, 58- focusing rings, 59- focusing ring packing rings, 510- focusing steel balls, 511-
AB adjustment circles, 512- BCD lens barrels, 513-BC spacer rings, 514- focusing guide pin components, 515-D piece lassos, 516- focusing rings, 517-
Focusing magnet frame, 518- focusing magnet, 519- focusing motor racks, 520- focusing potentiometer gears, 521- focusing potentiometers, 522-
Focusing motor gear, 523- focusing motors, 524- focusing Hall element framves, 525- focusing Hall elements；
65.GH spacer rings, 66-E piece trim rings, 67- zoom lens barrels, 68- zoom group pads, 69. zoom balladeur trains, 611- zoom steel balls,
612- zoom guide pin components, 613- zoom cams, 614- cam steel ball packing rings, 617- compensation balladeur trains, 618- compensation group pads,
619- compensation lens barrels, 624-IJ spacer rings, 625-KL spacer rings, 626-L piece trim rings, 627- zooms Hall element seat, 628- zooms are suddenly
That element, 629- zoom motor framves, 630- zoom potentiometer gears, 631- zoom potentiometers, 632- zoom motor gears, 633-
Zoom motor, 634- zoom magnetic receivers, 635- zoom magnet；
73- light bar rotating rings, 74- light bar pieces, 75- light bars seat, 76-N piece trim rings, 77- light bar rotating ring trim rings, 78- light bars dial nail,
Organize lens barrel after 79- light bar regulation rings, 710- light bar gear trim rings, 713-PQ spacer rings, 715-QR spacer rings, 716-, 718-R pieces every
Circle, 719- light bar Hall element framves, 720- light bar Hall elements, 721- light bar motor racks, 722- light bar potentiometer gears, 723-
Light bar potentiometer, 724- light bar motor gears, 725- light bar motors, 726- light bar magnet, 727- light bar magnetic receivers.
Embodiment
As shown in Figure 1-2, a kind of big target surface long-focus transmission-type high definition zoom lens provided in an embodiment of the present invention, described
It is that the positive preceding fixed A, focal power of organizing is negative that the optical texture of camera lens, which is included along the focal power that light incident direction is set gradually,
Zoom group B, focal power are that positive compensation group C, iris D and focal power are positive rear fixed group E；Fixed group A bags before described
Include the biconvex lens A-1 set gradually, positive crescent moon lens A-2 and glue is touched by negative crescent moon lens A-3 and positive crescent moon lens A-4
The first gluing unit closed；The zoom group B is including setting gradually by bearing crescent moon lens B-1, planoconvex spotlight B-2 and plano-concave lens
The second glued gluing unit of B-3 contiguity and plano-concave lens B-4；The compensation group C include set gradually biconvex lens C-1,
By the 3rd glued gluing unit of biconvex lens C-2 and negative crescent moon lens C-3 contiguity and positive crescent moon lens C-4；It is fixed after described
Group E touches the 4th glued gluing unit, by bearing crescent moon lens including setting gradually by biconcave lens E-1 and planoconvex spotlight E-2
E-3 and biconvex lens E-4 contiguity glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6.
In the present embodiment, the airspace between the preceding fixed group A and zoom group B is 32.36~110.26mm, is become
The airspace between group B and compensation group C is between 3.02~126.84 mm, the air between compensation group C and rear fixed group E again
Every being 7.35~53.27mm.
In the present embodiment, in the preceding fixed group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2
It is 0.25mm, the airspace between positive crescent moon lens A-2 and the first gluing unit is 2.27mm；In the zoom group B, the second glue
Airspace between the charge-coupled B-4 with plano-concave lens is 5.76mm；In the compensation group C, biconvex lens C-1 and the 3rd gluing unit
Between airspace be 0.1mm, airspace between the 3rd gluing unit and positive crescent moon lens C-4 is 0.1mm；It is solid after described
Surely in group E, the airspace between the 4th gluing unit and the 5th gluing unit is 42.09mm, the 5th gluing unit and biconcave lens E-5
Between airspace be 20.45mm, airspace between biconcave lens E-5 and biconvex lens E-6 is 51.58mm.
In the present embodiment, the planoconvex spotlight A-2, biconvex lens C-2 are made up of ED material H-FK71.
A kind of big target surface long-focus transmission-type high definition zoom lens that the present invention is provided, the physical parameter symbol of its each eyeglass
Close data demand shown in table 1.
The requirement of the eyeglass physical parameter of table 1
The requirement of the (Continued) eyeglass physical parameter of table 1
The optical system being made up of above-mentioned lens set has reached following optical index：
Focal length：F ' min=97mm, f ' max=1015mm；
Relative aperture D/ f '=1/7.96；
It is adapted to detector pixel dimension： Φ16.4um；
Optical texture length ∑ L≤439mm；
Resolution of lens：It is adapted to two mega pixel cameras, with reference to Fig. 2, Fig. 3；
In optical design, ED is selected in preceding fixed group A, compensation group C（ED）Optical material H-FK71, is so improved
The focal power of axle glazed thread height highest compensation group undertakes energy when fixing group, short focus before axle glazed thread height highest during focal length
Power, significantly reduces the aberrations such as optical lens second order spectrum, resolution of lens is significantly improved, and reaches two 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, and the ratio between optics overall length and longest focal length reach
0.43, realize the densification of system；Using electronic components such as high-accuracy potentiometers, feedback resistance value simultaneously carries out conversion meter
Calculate, continuously export current focus, visual field, be available for measuring system to support the use；By transmission mechanisms such as motor, gear, cams, carry
For power zoom, Power focus, geographical focus function, facilitate control of the user to monitoring system.
Coatings optimization design is carried out, optical lens is had the transmitance higher than 80% in 450nm ~ 700nm wavelength bands.
As shown in Figure 3-4, the mechanical mechanism of the camera lens includes a body tube and set gradually along optics incident direction
In the focusing microscope group 41 in body tube, zoom microscope group 43 and light modulation microscope group 46.The front portion of the camera lens is provided with electromotion focusing mechanism
42, the middle part of the camera lens is provided with electric continuous zooming heat mechanism 44, and the rear portion of the camera lens is provided with electronic dimming mechanism 46.It is described
Electromotion focusing mechanism 42, electric continuous zooming heat mechanism 44 and electronic dimming mechanism 45 are arranged in the surrounding of camera lens.The electricity
Dynamic focus adjusting mechanism 42 is provided with a focusing potentiometer 521 for realizing focal length preparatory function and two are realized output signal work(in place
The focusing Hall element 525 of energy, the focusing potentiometer 521 is precision potentiator.The electric continuous zooming heat mechanism is provided with
One realize focal length preparatory function zoom potentiometer 631 and two zoom Hall elements for realizing output semiotic function in place
628, the zoom potentiometer 631 is precision potentiator.The electronic dimming mechanism is provided with one and realizes focal length preparatory function
Light bar potentiometer 723 and two light bar Hall elements 720 for realizing output semiotic function in place, the light bar potentiometer 723
For precision potentiator.
As seen in figs. 5-6, the focusing microscope group 41 of the zoom lens include A pieces trim ring 55, focusing drum 56, body tube 57,
Focusing ring 58, focusing ring packing ring 59, AB adjustment circle 511, BCD microscope bases 512, BC spacer rings 513, D pieces trim ring and electromotion focusing mechanism
42；First biconvex lens A-1 is loaded in focusing drum 56, and compressed by A pieces trim ring 55；Secondly by positive crescent moon lens A-2, by bearing the moon
The first glued gluing of tooth lens A-3 and positive crescent moon lens A-4 contiguity is assembled into BCD lens barrels 512, and is pressed by D pieces trim ring 515
Tightly；BC spacer rings 513 are located between positive crescent moon lens A-2 and negative crescent moon lens A-3；Again by AB adjustment circle 511, BCD lens barrels 512 according to
It is secondary to be transferred in focusing drum 56；Finally focusing drum 56 is loaded in body tube 57.The electromotion focusing mechanism 42 includes focusing magnet
Seat 517, focusing magnet 518, focusing motor rack 519, focusing potentiometer gear 520, focusing potentiometer 521, focusing motor gear
522nd, focusing motor 523, focusing Hall element frame 524, focusing Hall element 525.The focusing potentiometer gear 520, focusing
Potentiometer 521, focusing motor gear 522, focusing motor 523 are installed on focusing motor rack 519, the focusing motor rack
519 are arranged on body tube 57.The focusing magnet 518 is arranged on focusing magnetic receiver 517, the focusing Hall element 525
On focusing Hall element frame 524.The focusing magnetic receiver 517 is arranged on body tube 57, the focusing Hall element
Frame 524 is arranged on body tube 57.Precision machined 3 are offered on the body tube 57Uniform guide groove, the focusing ring
516 are arranged on body tube 57, equipped with focusing steel ball between the focusing ring 58 and focusing ring packing ring 59, focusing body tube 57
510；Precision machined 3 are offered on the focusing ring 516Uniform linear skewed slot.The body tube 57 and focusing ring
516 are linked together by guide pin component 514 of focusing, and focusing motor gear 522 is engaged with the gear on focusing ring 516.Work as tune
During the burnt energization of motor 523 rotation, focusing ring 516 is driven to rotate by the focusing motor gear 522 on motor, focusing ring 516
Rotate the motion for driving focusing guide pin component 514 again.But focusing guide pin component 514 is limited by the straight trough opened up on body tube 57
System, so that the rotary motion of focusing ring 516 be converted to the linear motion of focusing drum 56, so as to realize the tune to far and near target
It is burnt.
As Figure 7-8, the negative crescent moon lens B-1, planoconvex spotlight B-2, plano-concave lens B-3 and plano-concave lens B-4
It is sequentially loaded into zoom lens barrel 67, and is compressed with E pieces trim ring 66, the plano-concave lens B-4 and plano-concave lens B-4 is provided with
GH spacer rings 65；The biconvex lens C-1, biconvex lens C-2, negative crescent moon lens C-3 and positive crescent moon lens C-4 are sequentially loaded into benefit
Repay in lens barrel 619, and L pieces trim ring 626 is compressed, wherein being provided with IJ spacer rings between the biconvex lens C-1 and biconvex lens C-2
624, it is provided with KL spacer rings 625 between the negative crescent moon lens C-3 and positive crescent moon lens C-4.The zoom lens barrel 67 passes through connection
Screw is connect on zoom balladeur train 69, is adjusted therebetween by zoom group pad 68；The compensation lens barrel 619 passes through connection
Screw is arranged on compensation balladeur train 617, is adjusted therebetween by compensation group pad 618.The zoom balladeur train 69, compensation balladeur train
617 after the precise finiss of body tube 57 respectively by with loading in body tube 57.The zoom cam 613 passes through zoom steel ball 611
On body tube 57, compressed by cam steel ball packing ring 614, and pinned by cam trim ring 615；Pass through zoom steel ball
611, sliding friction when zoom cam 613 can be rotated is changed into rolling friction, to reduce when zoom cam 613 is moved
Frictional force.The zoom cam 613 is machined with 2 zoom curved grooves and 2 respectively according to the requirement of the optical zoom equation of motion
Compensated curve groove, one is connected in by zoom guide pin component 612 by zoom cam 613 and zoom balladeur train 69, compensation balladeur train 617
Rise.The electric continuous zooming heat mechanism 44 include zoom Hall element frame 627, zoom Hall element 628, zoom motor frame 629,
Zoom potentiometer gear 630, zoom potentiometer 631, zoom motor gear 632, zoom motor 633, zoom magnetic receiver 634 and
Zoom magnet 635.The zoom Hall element 628 is arranged on zoom Hall element frame 627；The zoom potentiometer gear
630th, zoom potentiometer 631, zoom motor gear 632 and zoom motor 633 are installed on zoom motor frame 629；It is described
Zoom magnet 635 is arranged on zoom magnetic receiver 634.The zoom cam 613 respectively with zoom potentiometer gear 630, zoom
Motor gear 632 is engaged.When the rotor of zoom motor 633 makees positive and negative rotary motion, by zoom potentiometer gear 630, make change
Burnt potentiometer rotor 631 and the synchronous axial system of zoom cam 613.Zoom cam 613 offers zoom curved groove and compensated curve groove,
Zoom guide pin component 612 is arranged in zoom curved groove and compensated curve groove.Zoom balladeur train is driven by zoom guide pin component 612
69th, compensation balladeur train 617 is moved according to the track of zoom curved groove and compensated curve groove.Also have on zoom lens barrel 67 simultaneously corresponding
Straight trough, supports zoom guide pin component 612, and make zoom balladeur train 69, compensate balladeur train 617 by the straight trough of zoom lens barrel 67
Rotary motion is changed into linear motion.Curved groove, the change of strict control zoom guide pin component 612 and zoom cam 613 during design
Fit clearance between the straight-line groove of times lens barrel 67, it is ensured that the slip of zoom balladeur train 69, compensation balladeur train 617 in zoom lens barrel 67
It is steady comfortable, without clamping stagnation.So realize zoom group B, compensation group C by zoom motion equation requirement by the rotation of zoom motor 633
Make tandem motion, so as to realize the consecutive variations function of system focal length.Meanwhile, the zoom cam 613 by with zoom
Potentiometer gear 630 drives zoom potentiometer gear 630 to rotate after engaging, and the rotation of the zoom potentiometer gear 630 causes
The resistance of zoom potentiometer 631 is changed, thus, and man-to-man pass is formed between the resistance of focal length and zoom potentiometer 631
System.When the focal length of system changes, the changing value of zoom potentiometer 631 can be taken out by appropriate sample circuit, and is passed
To control centre, so as to realize that zoom level must be shown；Conversely, providing order by control centre, the real-time control of focal length can be achieved
System.
As shown in fig. 7, described be installed on light by biconcave lens E-1 and planoconvex spotlight E-2 the 4th gluing units for touching gluing
Compressed in column seat 75 and by N pieces trim ring 76；It is described to touch the 5th glued gluing by bearing crescent moon lens E-3 and biconvex lens E-4
Group, biconcave lens E-5 and biconvex lens E-6 are installed in rear group of lens barrel 716 successively, and group trim ring 718 is compressed after use；It is described
By bearing PQ spacer rings 713 are used between the 5th glued gluing unit of crescent moon lens E-3 and biconvex lens E-4 contiguity and biconcave lens E-5
Separate, separated between the biconcave lens E-5 and biconvex lens E-6 with QR spacer rings 715.The electronic dimming mechanism 45 includes light
Column Hall element frame 719, light bar Hall element 720, light bar motor rack 721, light bar potentiometer gear 722, light bar potentiometer
723rd, light bar motor gear 724 and light bar motor 725.The light bar Hall element 720 is arranged on light bar Hall element frame 719
On；The light bar magnet 727 is arranged on light bar magnetic receiver 726；The light bar potentiometer gear 722, light bar potentiometer 723,
On light bar motor gear 724 and the mounting diaphragm motor rack 721 of light bar motor 725.The light bar piece 74 is riveted on light bar rotating ring
73rd, on light bar seat 75.The light bar regulation ring 79 is arranged on light bar seat 75, and is compressed with light bar gear trim ring 710.Pass through light
Dial nail 78 and be linked together light bar rotating ring 73, light bar regulation ring 79 in column.Group lens barrel 716 is arranged on by joint bolt after described
On light bar seat 75.The light bar potentiometer gear 722, light bar motor gear 724 mesh together with light bar regulation ring 79 respectively.
When light bar motor 725, which is powered, to be rotated, light bar regulation ring 79 is driven to rotate by light bar motor gear 724.Light bar regulation ring 79
Rotate and drive light bar rotating rings 73 to rotate further through light bar group nail 78；The light bar rotating ring 73 is pressed on light by light bar rotating ring trim ring 77
In column seat 75, the light bar rotating ring 73 drives light bar piece 74 to rotate.Light bar rotating ring 73 is rotated drives light bar piece 74 to rotate again, so that
The change of aperture openings size is controlled, the process of Electronic control aperture size is realized.
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 (8)
1. a kind of big target surface long-focus transmission-type high definition zoom lens, it is characterised in that：The optical texture of the camera lens includes edge
The focal power that light incident direction is set gradually is that positive preceding fixed group A, focal power are that negative zoom group B, focal power are positive
Compensation group C, iris D and focal power are positive rear fixed group E；Fixed group A includes the biconvex lens set gradually before described
A-1, positive crescent moon lens A-2 and the first gluing unit for touching gluing by bearing crescent moon lens A-3 and positive crescent moon lens A-4；It is described
Zoom group B includes the second glue by bearing crescent moon lens B-1, planoconvex spotlight B-2 and plano-concave lens B-3 contiguity gluings set gradually
Charge-coupled and plano-concave lens B-4；The compensation group C include set gradually biconvex lens C-1, by biconvex lens C-2 and the negative moon
The 3rd glued gluing unit of tooth lens C-3 contiguity and positive crescent moon lens C-4；After described fixed group E include setting gradually by
Biconcave lens E-1 and planoconvex spotlight E-2 touches the 4th glued gluing unit, touched by negative crescent moon lens E-3 and biconvex lens E-4
Glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6.
2. big target surface long-focus transmission-type high definition zoom lens according to claim 1, it is characterised in that：It is fixed before described
Airspace between group A and zoom group B is 32.36~110.26mm, and the airspace between zoom group B and compensation group C is
Airspace between 3.02~126.84 mm, compensation group C and rear fixed group E is 7.35~53.27mm.
3. big target surface long-focus transmission-type high definition zoom lens according to claim 1 or 2, it is characterised in that：Before described
In fixed group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2 is 0.25mm, positive crescent moon lens A-2 and the
Airspace between one gluing unit is 2.27mm；In the zoom group B, the sky between the second gluing unit and plano-concave lens B-4
Gas is at intervals of 5.76mm；In the compensation group C, the airspace between biconvex lens C-1 and the 3rd gluing unit is 0.1mm, the
Airspace between three gluing units and positive crescent moon lens C-4 is 0.1mm；After described in fixed group E, the 4th gluing unit and the 5th
Airspace between gluing unit is 42.09mm, and the airspace between the 5th gluing unit and biconcave lens E-5 is 20.45mm,
Airspace between biconcave lens E-5 and biconvex lens E-6 is 51.58mm.
4. big target surface long-focus transmission-type high definition zoom lens according to claim 1, it is characterised in that：The plano-convex is saturating
Mirror A-2, biconvex lens C-2 are made up of ED material H-FK71.
5. big target surface long-focus transmission-type high definition zoom lens according to claim 1, it is characterised in that：The camera lens
Mechanical mechanism includes a focusing microscope group 41 set gradually along optics incident direction, zoom microscope group 43 and light modulation microscope group 46.
6. big target surface long-focus transmission-type high definition zoom lens according to claim 5, it is characterised in that：The focusing lens
Group fixed group A outer circumferential sides before being sheathed on, the focusing microscope group fixed group A outer circumferential sides before being sheathed on, including A pieces trim ring, focusing drum,
Body tube, focusing ring, focusing ring packing ring, AB adjustment circle, BCD microscope bases, BC spacer rings, D pieces trim ring and electromotion focusing mechanism；It is described double
Convex lens A-1 loads in focusing drum, and is compressed by A pieces trim ring；The positive crescent moon lens A-2 and by negative crescent moon lens A-3 and
The first glued gluing of positive crescent moon lens A-4 contiguity is assembled into BCD microscope bases, and is compressed by D pieces trim ring；The AB is adjusted
Circle, BCD microscope bases are transferred in focusing drum successively, and the focusing drum loads in body tube, and the focusing ring is described outside body tube
Steel ball is housed between focusing ring and focusing ring packing ring, body tube；The electromotion focusing mechanism include focusing motor, focusing ring and
The focusing Hall element of control focusing position, the focusing motor is by focusing motor rack on body tube, the focusing
Hall element is arranged on body tube by Hall element seat of focusing, and three Precision Machinings and 90 ° are offered on the body tube
Focusing motor gear is installed, the focusing ring is installed and focusing drawtube on uniform guide groove, the motor shaft of the focusing motor
It is upper to be meshed with focusing motor gear, three 90 ° uniform focusing guide pins, the focusing are fixed with the focusing drawtube the week side of boss
Guide pin is engaged one by one with guide groove, and the focusing ring drives focusing drum to move forward and backward by guide pin of focusing, and passes through Hall of focusing
Element carries out spacing.
7. big target surface long-focus transmission-type high definition zoom lens according to claim 6, it is characterised in that：The varifocal mirror
Group is sheathed on zoom group B and compensation group C outer circumferential side, including zoom balladeur train, compensation balladeur train, zoom lens barrel, compensation lens barrel, zoom
Cam and electric continuous zooming heat mechanism；The zoom group B and compensation group C are movably installed in the zoom balladeur train respectively and compensation is slided
On frame；The zoom balladeur train and compensation balladeur train are installed in body tube successively；The zoom cam is arranged on body tube, described
Zoom cam offers 4 curved grooves；The electric continuous zooming heat mechanism include zoom motor, zoom potentiometer, cam and
Zoom Hall element for controlling long short focus position, the Hall element is arranged on body tube by zoom Hall element seat
On, the zoom motor, zoom potentiometer are arranged on body tube by zoom motor frame, the motor shaft of the zoom motor
On the zoom motor gear closed with cam meshing is installed, be provided with the axle of the zoom potentiometer and zoom cam meshing closed
Zoom potentiometer gear.
8. big target surface long-focus transmission-type high definition zoom lens according to claim 7, it is characterised in that：The Light-modulating mirror
Group is sheathed on iris D and rear fixed group E outer circumferential side, including light bar seat, afterwards group lens barrel, N pieces trim ring, PQ spacer rings, QR every
Circle, rear group trim ring and electronic dimming mechanism；It is described to touch the 4th glued gluing by biconcave lens E-1 and planoconvex spotlight E-2
Group is installed in light bar seat and compressed by N pieces trim ring, and the 5th of negative crescent moon lens E-3 and biconvex lens E-4 the contiguity gluing the
Gluing unit, biconcave lens E-5, biconvex lens E-6 are installed in rear group of lens barrel successively, and group trim ring is fixed after；The negative moon
Separated between the 5th glued gluing unit of tooth lens E-3 and biconvex lens E-4 contiguity and biconcave lens E-5 with PQ spacer rings, it is described
Separated between biconcave lens E-5 and biconvex lens E-6 with QR spacer rings；The electronic dimming mechanism includes light bar motor, light bar electricity
Position device, light bar regulation ring, light bar rotating ring, light bar piece and the light bar Hall element for controlling light bar openings of sizes position, institute
State light bar Hall element to be arranged on light bar seat by light bar Hall element seat, the light bar motor, light bar potentiometer pass through light
Column motor rack is arranged on light bar seat；The light that head is engaged with light bar regulation ring inboard groove is fixed with the light bar rotating ring
Nail is dialled on column, and the light bar rotating ring is pressed in light bar seat by light bar rotating ring trim ring, and the light bar rotating ring drives light bar piece to rotate.
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| CN201710686907.1A CN107329243B (en) | 2017-08-11 | 2017-08-11 | A kind of big target surface long-focus transmission-type high definition zoom lens |
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| CN201710686907.1A CN107329243B (en) | 2017-08-11 | 2017-08-11 | A kind of big target surface long-focus transmission-type high definition zoom lens |
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| CN107329243B CN107329243B (en) | 2019-11-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN114594644A (en) * | 2022-03-29 | 2022-06-07 | 山东中科智造医疗器械科技有限公司 | Electric adjusting device for focal length and aperture of lens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276044A (en) * | 2007-03-26 | 2008-10-01 | 富士能株式会社 | Zoom lens and image pickup apparatus |
| CN105005137A (en) * | 2015-08-05 | 2015-10-28 | 福建福光股份有限公司 | High-resolution large-field-of-view continuous zoom pick-up lens and control method thereof |
| CN206002762U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Continuous vari-focus telephotography camera lens |
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2017
- 2017-08-11 CN CN201710686907.1A patent/CN107329243B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276044A (en) * | 2007-03-26 | 2008-10-01 | 富士能株式会社 | Zoom lens and image pickup apparatus |
| CN105005137A (en) * | 2015-08-05 | 2015-10-28 | 福建福光股份有限公司 | High-resolution large-field-of-view continuous zoom pick-up lens and control method thereof |
| CN206002762U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Continuous vari-focus telephotography camera lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN114594644A (en) * | 2022-03-29 | 2022-06-07 | 山东中科智造医疗器械科技有限公司 | Electric adjusting device for focal length and aperture of lens |
| CN114594644B (en) * | 2022-03-29 | 2024-02-09 | 山东中科智造医疗器械科技有限公司 | Electric adjusting device for focal length and aperture of lens |
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| Publication number | Publication date |
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| CN107329243B (en) | 2019-11-19 |
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