CN208752373U - Visible light lens with fourth gear energy adjustment function - Google Patents
Visible light lens with fourth gear energy adjustment function Download PDFInfo
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- CN208752373U CN208752373U CN201821456734.0U CN201821456734U CN208752373U CN 208752373 U CN208752373 U CN 208752373U CN 201821456734 U CN201821456734 U CN 201821456734U CN 208752373 U CN208752373 U CN 208752373U
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Abstract
The utility model relates to a kind of visible light lens with fourth gear energy adjustment function, including being disposed with front lens group, iris diaphgram and rear microscope group along optical path incident direction, the front lens group includes negative crescent moon lens A, biconvex lens A, negative crescent moon lens B, colour filter and biconvex lens B along optical path incident direction, microscope group includes positive crescent moon lens A, biconcave lens, biconvex lens C, biconvex lens D along optical path incident direction after described, and the colour filter periphery is provided with the colour filter switching mechanism to switch colour filter.The utility model is by the interval between suitably increasing front lens group eyeglass for installing four kinds of colour filters with differential declines ratio, the adjusting that colour filter realizes camera lens energy is switched by colour filter switching mechanism again, make camera lens that can access good imaging picture under different light environments, while realizing effectively reducing for the big visual field camera lens volume of big target surface.
Description
Technical field
The utility model relates to a kind of visible light lens with fourth gear energy adjustment function.
Technical background
With cloud computing universal and artificial intelligence technology it is increasingly mature, Information technology gradually turns to the internet of things era
Become.Technology of Internet of things leads the mankind to enter the completely new intelligent society such as smart city, smart home, intelligence manufacture, intelligent camera
Machine is one of important composition of technology of Internet of things, is widely used in the fields such as security protection, household, industry manufacture, has and " eyes "
Identical or even superior detection and recognition capability.Optical lens is one of core component of intelligent camera.
In safety monitoring industry, with deepening continuously for video surveillance applications, traditional monitor camera is unable to satisfy
The application in special area place needs.The factors such as the variation for actual geographical environment, monitoring objective environment, to video camera
The optical lens matched proposes the diversification requirements such as field angle, the depth of field, volume, low distortion, resolution ratio.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of visible light microscopics with fourth gear energy adjustment function
Head has the colour filter of differential declines ratio for installing four kinds by suitably increasing the interval between front lens group eyeglass, then passes through filter
Color chips switching mechanism switches the adjusting that colour filter realizes camera lens energy, access camera lens can under different light environments good
Good imaging picture, while realizing effectively reducing for the big visual field camera lens volume of big target surface, camera lens have compact-sized, distortion is small,
The features such as depth of field is big.
The technical solution of the utility model is: a kind of visible light lens with fourth gear energy adjustment function, including along light
Road incident direction is disposed with front lens group, iris diaphgram and rear microscope group, and the front lens group includes the negative moon along optical path incident direction
Tooth lens A, biconvex lens A, negative crescent moon lens B, colour filter and biconvex lens B, the rear microscope group include along optical path incident direction
Positive crescent moon lens A, biconcave lens, biconvex lens C, biconvex lens D, the colour filter periphery is provided with to switch colour filter
Colour filter switching mechanism, the colour filter switching mechanism include the colour filter turntable colour filter is fixedly mounted, the colour filter
There are four colour filter mounting grooves for setting on piece turntable, and the colour filter pressure to compress colour filter is provided in colour filter mounting groove
Circle.
Further, the attenuation ratio for being separately mounted to the colour filter in four colour filter mounting grooves is 32:16:4:1.
Further, the airspace between the negative crescent moon lens A and biconvex lens A be 2.42mm, biconvex lens A with
Airspace between negative crescent moon lens B is 0.15mm, and the airspace between negative crescent moon lens B and colour filter is 5.53mm,
Airspace between colour filter and biconvex lens B is 6.00mm, and the airspace between biconvex lens B and iris diaphgram is
3.75mm, the airspace between iris diaphgram and positive crescent moon lens A is 2.26mm, between positive crescent moon lens A and biconcave lens
Airspace be 0.91mm, between biconcave lens and biconvex lens C closely connection form gluing unit, biconvex lens C and biconvex
Airspace between lens D is 0.17mm.
Further, the negative crescent moon lens A, biconvex lens A and the negative periphery crescent moon lens B are provided with to be fixedly mounted
The preceding group lens barrel of negative crescent moon lens A, biconvex lens A and negative crescent moon lens B, are provided with negative to compress on the left of preceding group lens barrel
The pressing ring A of crescent moon lens A, is provided with spacer ring A between negative crescent moon lens A and biconvex lens A, and biconvex lens A and negative crescent moon are saturating
It is provided with spacer ring B between mirror B, is provided with spacer ring C between negative crescent moon lens B and the rear end face of preceding group lens barrel, outside biconvex lens B
It is provided with the lens barrel A biconvex lens is fixedly mounted week, the pressing ring to compress biconvex lens B is provided on the left of lens barrel A
B。
Further, the positive crescent moon lens A, biconcave lens, biconvex lens C and the periphery biconvex lens D be provided with to
The rear group lens barrel of positive crescent moon lens A, biconcave lens, biconvex lens C and biconvex lens D is fixedly mounted, is set on the right side of rear group lens barrel
It is equipped with the pressing ring C to compress biconvex lens D, spacer ring D is provided between positive crescent moon lens A and biconcave lens, in lenticular
Spacer ring E is provided between mirror C and biconvex lens D.
Further, it is provided with the colour filter change gear being meshed with colour filter turntable below colour filter turntable, filters
It is provided with the colour filter switch motor to drive colour filter change gear to rotate on the right side of color chips change gear, switches in colour filter
The electric machine support colour filter switch motor is fixedly mounted, the motor branch are provided between motor and colour filter change gear
Frame is fixedly mounted in preceding group lens barrel, and the colour filter center of turntable is provided with shaft, and shaft one end is fixed on colour filter turntable
On, the shaft other end is fixed in preceding group lens barrel, and colour filter turntable can rotate around the axis, on colour filter turntable there are four settings
Magnet steel frame and four Hall element framves, are provided with magnet steel on magnet steel frame, and being provided on Hall element frame can cooperate with magnet steel
Realize the Hall element of colour filter switching positioning and position feedback.
Further, the iris diaphgram periphery is provided with diaphragm regulating mechanism, and the diaphragm regulating mechanism includes can band
The diaphragm rotating ring of dynamic iris diaphgram rotation, the diaphragm rotating ring is fixed in rear group lens barrel by lens barrel A, in the outer of rear group lens barrel
It is provided with the aperture setting ring that can be rotated around rear group lens barrel periphery week, is provided on the left of aperture setting ring and is adjusted to snoot
Ring is detached from the aperture setting ring pressing ring of rear group lens barrel periphery, is provided on the right side of iris diaphgram to control iris diaphgram aperture
Diaphragm driving motor is provided with the diaphragm sliding tooth that driving aperture setting ring carrys out back rotation in diaphragm driving motor output shaft
Wheel drives the diaphragm transmission gear being provided between gear and aperture setting ring to be driven in diaphragm, on aperture setting ring
It is provided with diaphragm plectrum, diaphragm plectrum two sides are provided with the diaphragm limiting bracket in rear group lens barrel, limits branch in diaphragm
The microswitch A for realizing that diaphragm adjusts position limitation protection function can be cooperated with diaphragm plectrum by being provided on frame.
Further, focus adjusting mechanism is provided on the right side of rear group lens barrel, the focus adjusting mechanism includes main cylinder of focusing, and is being adjusted
Burnt main cylinder periphery is provided with focusing cam, and focusing, main cylinder inner circumferential is provided with camera support, is provided on the inside of camera support
CCD is equipped with focusing guide pin on the peripheral wall of focusing cam, the main cylinder of focusing and focusing, is provided with tune below main cylinder of focusing
Burnt driving motor is provided with the focusing driving wheel being meshed with focusing cam on the output shaft of focusing driving motor, is focusing
It is provided with focusing plectrum on cam, focusing plectrum two sides are provided with the focusing limiting bracket for being fixedly installed in and focusing on main cylinder,
Being provided on focusing limiting bracket can realize that diaphragm adjusts the microswitch B of position limitation protection function with focusing plectrum cooperation.
Compared with prior art, the utility model has the beneficial effects that the utility model is by suitably increasing front lens group mirror
Interval between piece is real for installing four kinds of colour filters with differential declines ratio, then by colour filter switching mechanism switching colour filter
The adjusting of existing camera lens energy makes camera lens that can access good imaging picture under different light environments, while realizing big
The big visual field camera lens volume of target surface effectively reduces, and camera lens has the characteristics that compact-sized, distortion is small, the depth of field is big.
To can be more clearly understood the above objects, features, and advantages of the utility model, with reference to the accompanying drawing to this
The specific embodiment of utility model elaborates.
Detailed description of the invention
Fig. 1 is the utility model embodiment optical mirror slip system schematic；
Fig. 2 is the utility model embodiment assembling schematic diagram；
Fig. 3 is the utility model embodiment colour filter switching mechanism schematic diagram；
Fig. 4 is the utility model embodiment colour filter switching mechanism main view；
Fig. 5 is the utility model embodiment iris diaphgram adjustment structure main view；
The position Fig. 6 the utility model embodiment iris diaphgram adjustment structure cross-sectional view；
Fig. 7 is the utility model embodiment focus adjusting mechanism main view；
Fig. 8 is the utility model embodiment focus adjusting mechanism cross-sectional view；
Fig. 9 is optical component parameter table；
In figure: 1- pressing ring A；2- preceding group lens barrel；3- spacer ring A；4- spacer ring B；5- spacer ring C；6- lens barrel A；7- pressing ring B；After 8-
Group lens barrel；9- spacer ring D；10- spacer ring E；11- pressing ring C；20- colour filter switching mechanism；21- magnet steel；22- magnet steel frame；23- colour filter
Piece turntable；24- colour filter mounting groove；240- colour filter pressing ring；25- colour filter switch motor；26- electric machine support；27- shaft；
28- Hall element；29- Hall element frame；210- colour filter change gear；30- diaphragm regulating mechanism；31- aperture setting ring pressure
Circle；32- diaphragm rotating ring；33- aperture setting ring；34- diaphragm limiting bracket；35- diaphragm driving motor；36- diaphragm drives gear；
37- microswitch A；38- diaphragm transmission gear；39- diaphragm plectrum；40- focus adjusting mechanism；The main cylinder of 41- focusing；42- focusing is convex
Wheel；43- focusing guide pin；44- focusing limiting bracket；45-CCD；46- focusing driving motor；47- focusing driving wheel；48- camera branch
Frame；49- microswitch B；410- focusing plectrum；The negative crescent moon lens A of 51-；52- biconvex lens A；The negative crescent moon lens B of 53-；54-
Colour filter；55- biconvex lens B；56- iris diaphgram；The positive crescent moon lens A of 57-；58- biconcave lens；59- biconvex lens C；60-
Biconvex lens D.
Specific embodiment
As shown in Fig. 1 ~ 9, a kind of compact visible light lens with fourth gear energy adjustment function, including along optical path incidence
Direction is disposed with front lens group, iris diaphgram 56 and rear microscope group, and the front lens group includes that negative crescent moon is saturating along optical path incident direction
Mirror A51, biconvex lens A52, negative crescent moon lens B53, colour filter 54 and biconvex lens B55, the rear microscope group is along optical path incidence side
To including positive crescent moon lens A57, biconcave lens 58, biconvex lens C59, biconvex lens D60,54 periphery of colour filter is provided with
To switch the colour filter switching mechanism 20 of colour filter 54, the colour filter switching mechanism 20 includes colour filter is fixedly mounted
54 colour filter turntable 23, there are four colour filter mounting grooves 24 for setting on the colour filter turntable 23, in colour filter mounting groove 24
It is inside provided with the colour filter pressing ring 240 to compress colour filter 54, it can be by four colour filters by colour filter switching mechanism 20
54 switch over, and then realize the adjusting of camera lens energy.
In the present embodiment, the attenuation ratio for being separately mounted to the colour filter 54 in four colour filter mounting grooves 24 is 32:16:4:
1, the adjustable camera lens of colour filter 54 by the way that differential declines ratio is arranged reaches the energy size of camera target surface, meets camera lens not
With the use demand under light environment.
In the present embodiment, the airspace between the negative crescent moon lens A51 and biconvex lens A52 is 2.42mm, biconvex
Airspace between lens A52 and negative crescent moon lens B53 is 0.15mm, the sky between negative crescent moon lens B53 and colour filter 54
5.53mm is divided between gas, the airspace between colour filter 54 and biconvex lens B55 is 6.00mm, biconvex lens B55 and variable
Airspace between diaphragm 56 is 3.75mm, and the airspace between iris diaphgram 56 and positive crescent moon lens A57 is 2.26mm,
Airspace between positive crescent moon lens A57 and biconcave lens 58 is 0.91mm, tight between biconcave lens 58 and biconvex lens C59
Close connection forms gluing unit, and the airspace between biconvex lens C59 and biconvex lens D60 is 0.17mm, by by negative crescent moon
The distance between lens B53 and biconvex lens B55 suitably increase, and 54 installation site of colour filter is moved by conventional camera lens rear end
To between negative crescent moon lens B53 and biconvex lens B55, the space of camera lens front end is rationally utilized, after alleviating big target surface camera lens
The insufficient pressure of end spaces is beneficial to realize the reduction of camera lens overall volume.
In the present embodiment, the negative crescent moon lens A51, biconvex lens A52 and the negative periphery crescent moon lens B53 be provided with to
The preceding group lens barrel 2 of negative crescent moon lens A51, biconvex lens A52 and negative crescent moon lens B53 is fixedly mounted, in the left side of preceding group lens barrel 2
Be provided with the pressing ring A1 to compress negative crescent moon lens A51, be provided between negative crescent moon lens A51 and biconvex lens A52 every
A3 is enclosed, is provided with spacer ring B4 between biconvex lens A52 and negative crescent moon lens B53, in negative crescent moon lens B53 and preceding group lens barrel 2
Spacer ring C5 is provided between rear end face, the periphery biconvex lens B55 is provided with the lens barrel A6 biconvex lens is fixedly mounted, lens barrel
The pressing ring B7 to compress biconvex lens B55 is provided on the left of A6.
In the present embodiment, the positive crescent moon lens A57, biconcave lens 58, biconvex lens C59 and the periphery biconvex lens D60
It is provided with the rear group lens barrel positive crescent moon lens A57, biconcave lens 58, biconvex lens C59 and biconvex lens D60 is fixedly mounted
8, the pressing ring C11 to compress biconvex lens D60 is provided on the right side of rear group lens barrel 8, in positive crescent moon lens A57 and biconcave lens
It is provided with spacer ring D9 between 58, spacer ring E10 is provided between biconvex lens C59 and biconvex lens D60.
In the present embodiment, the colour filter teeth change being meshed with colour filter turntable 23 is provided with below colour filter turntable 23
210 are taken turns, the colour filter switching electricity to drive colour filter change gear 210 to rotate is provided on the right side of colour filter change gear 210
Machine 25 is provided with colour filter switching electricity is fixedly mounted between colour filter switch motor 25 and colour filter change gear 210
The electric machine support 26 of machine 25, the electric machine support 26 are fixedly mounted in preceding group lens barrel 2,23 center of the colour filter turntable setting
There is shaft 27,27 one end of shaft is fixed on colour filter turntable 23, and 27 other end of shaft is fixed in preceding group lens barrel 2, colour filter
Turntable 23 can 27 rotation around the shaft, on colour filter turntable 23 setting there are four magnet steel frame 22 and four Hall element framves 29,
It is provided with magnet steel 21 on magnet steel frame 22, is provided with to cooperate with magnet steel 21 on Hall element frame 29 and realizes that the switching of colour filter 54 is fixed
The Hall element 28 of position and position feedback.
In the present embodiment, 56 periphery of iris diaphgram is provided with diaphragm regulating mechanism 30, the diaphragm regulating mechanism 30
Including the diaphragm rotating ring 32 that iris diaphgram 56 can be driven to rotate, the diaphragm rotating ring 32 is fixed on rear group lens barrel 8 by lens barrel A6
It is interior, the aperture setting ring 33 that can be rotated around 8 periphery of rear group lens barrel is provided in the periphery of rear group lens barrel 8, aperture setting ring 33 is left
Side, which is provided with, adjusts 33 pressing ring 31 of aperture setting ring that ring 33 is detached from 8 periphery of rear group lens barrel to snoot, in iris diaphgram
56 right sides are provided with the diaphragm driving motor 35 to control 56 aperture of iris diaphgram, set on 35 output shaft of diaphragm driving motor
Be equipped with driving aperture setting ring 33 come back rotation diaphragm driving gear 36, diaphragm driving gear 36 and aperture setting ring 33 it
Between be provided with diaphragm transmission gear 38 to be driven, diaphragm plectrum 39 is provided on aperture setting ring 33, in diaphragm plectrum
39 two sides are provided with the diaphragm limiting bracket 34 in rear group lens barrel 8, and being provided on diaphragm limiting bracket 34 can be with diaphragm
The cooperation of plectrum 39 realizes that diaphragm adjusts the microswitch A37 of position limitation protection function, is driven by Iris motor and realizes opening for diaphragm
The position limitation protection function of being adjusted with the adjusting of closure, the diaphragm plectrum 39 and microswitch A37 cooperation realization diaphragm greatly.
In the present embodiment, the right side of rear group lens barrel 8 is provided with focus adjusting mechanism 40, the focus adjusting mechanism 40 includes focusing master
Cylinder 41, focusing, main 41 periphery of cylinder is provided with focusing cam 42, and focusing, main 41 inner circumferential of cylinder is provided with camera support 48, in camera
It is provided with CCD45 on the inside of bracket 48, focusing guide pin 43 is equipped on the peripheral wall of focusing cam 42, the main cylinder 41 of focusing and focusing,
The lower section for main cylinder 41 of focusing is provided with focusing driving motor 46, is provided with and focuses on the output shaft of focusing driving motor 46
The focusing driving wheel 47 that cam 42 is meshed is provided with focusing plectrum 410 on focusing cam 42, in focusing 410 two sides of plectrum
It is provided with the focusing limiting bracket 44 for being fixedly installed in and focusing on main cylinder 41, being provided on focusing limiting bracket 44 can be with focusing
The cooperation of plectrum 410 realizes that diaphragm adjusts the microswitch B49 of position limitation protection function, and the driving of focusing driving motor 46 focusing is convex
42 rotation of wheel, by focusing, guide pin 43 is limited and is driven, and realizes the axial translation of camera support 48 to reach focusing
The position limitation protection function of focussing process is realized in function, the microswitch B49 and the focusing cooperation of plectrum 410.
In the present embodiment, the index that above-mentioned camera lens is realized is as follows: (1) focal length: f '=12mm；(2) F number: 6.0 ~ ∞；(3) light
Spectral limit: 450nm ~ 700nm；(4) visual field size: 50.3 ° × 50.3 °；(5) Pixel size: 5.5 5.5 μm of μ ms；(6) it distorts:
≤0.5%；(7) optics overall length: 54mm.
Specific implementation process:
(1) when camera lens works, in order to make camera lens meet the use demand under different light environments, by controlling colour filter
Switch motor 25 turns an angle, and drives colour filter turntable 23 to move in a circle, and then make to be mounted on colour filter mounting groove 24
Interior colour filter 54 is rotated around colour filter center of turntable, carries out what control colour filter switch motor 25 rotated by Hall element 28
Angle makes required colour filter 54 turn to optical axis position, and then completes 54 handoff functionality of colour filter, realizes camera lens energy adjustment；
(2) when light incidence, when by the negative crescent moon lens A51 and biconvex lens A52, due to negative crescent moon lens A51
It is to be configured according to focal power positive after first bearing, and then increase the field angle of camera lens with biconvex lens A52.
Aforesaid operations process and software and hardware configuration are not intended to limit this only as the preferred embodiment of the utility model
The scope of the patents of utility model, equivalents made by using the description of the utility model and the drawings, or directly or
It is used in correlative technology field indirectly, is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of visible light lens with fourth gear energy adjustment function, it is characterised in that: including along optical path incident direction successively
It is provided with front lens group, iris diaphgram and rear microscope group, the front lens group includes negative crescent moon lens A, lenticular along optical path incident direction
Mirror A, negative crescent moon lens B, colour filter and biconvex lens B, it is described after microscope group along optical path incident direction include positive crescent moon lens A, it is double
Concavees lens, biconvex lens C, biconvex lens D, the colour filter periphery is provided with the colour filter switching machine to switch colour filter
Structure, the colour filter switching mechanism include the colour filter turntable colour filter is fixedly mounted, and are arranged on the colour filter turntable
There are four colour filter mounting grooves, and the colour filter pressing ring to compress colour filter is provided in colour filter mounting groove.
2. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: install respectively
The attenuation ratio of colour filter in four colour filter mounting grooves is 32:16:4:1.
3. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: the negative moon
Airspace between tooth lens A and biconvex lens A is 2.42mm, the airspace between biconvex lens A and negative crescent moon lens B
For 0.15mm, the airspace between negative crescent moon lens B and colour filter is 5.53mm, the sky between colour filter and biconvex lens B
6.00mm is divided between gas, the airspace between biconvex lens B and iris diaphgram is 3.75mm, iris diaphgram and positive crescent moon lens
Airspace between A is 2.26mm, and the airspace between positive crescent moon lens A and biconcave lens is 0.91mm, biconcave lens
It closely connect to form gluing unit between biconvex lens C, the airspace between biconvex lens C and biconvex lens D is 0.17mm.
4. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: the negative moon
Tooth lens A, biconvex lens A and the negative periphery crescent moon lens B are provided with negative crescent moon lens A, biconvex lens A is fixedly mounted and bears
The preceding group lens barrel of crescent moon lens B is provided with the pressing ring A to compress negative crescent moon lens A, in negative crescent moon on the left of preceding group lens barrel
It is provided with spacer ring A between lens A and biconvex lens A, spacer ring B is provided between biconvex lens A and negative crescent moon lens B, in the negative moon
Spacer ring C is provided between tooth lens B and the rear end face of preceding group lens barrel, the periphery biconvex lens B is provided with biconvex is fixedly mounted
The pressing ring B to compress biconvex lens B is provided on the left of the lens barrel A of lens, lens barrel A.
5. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: the first month of the lunar year
Tooth lens A, biconcave lens, biconvex lens C and the periphery biconvex lens D are provided with saturating positive crescent moon lens A, concave-concave is fixedly mounted
The rear group lens barrel of mirror, biconvex lens C and biconvex lens D is provided with the pressing ring to compress biconvex lens D on the right side of rear group lens barrel
C, is provided with spacer ring D between positive crescent moon lens A and biconcave lens, is provided with spacer ring between biconvex lens C and biconvex lens D
E。
6. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: in colour filter
The colour filter change gear being meshed with colour filter turntable is provided with below turntable, be provided on the right side of colour filter change gear to
The colour filter switch motor for driving the rotation of colour filter change gear, sets between colour filter switch motor and colour filter change gear
It is equipped with the electric machine support colour filter switch motor is fixedly mounted, the electric machine support is fixedly mounted in preceding group lens barrel, institute
It states colour filter center of turntable and is provided with shaft, shaft one end is fixed on colour filter turntable, and the shaft other end is fixed on preceding group of mirror
On cylinder, colour filter turntable can rotate around the axis, on colour filter turntable setting there are four magnet steel frame and four Hall element framves,
It is provided with magnet steel on magnet steel frame, is provided with to cooperate with magnet steel on Hall element frame and realizes that colour filter switching positioning and position are anti-
The Hall element of feedback.
7. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: described variable
Diaphragm periphery is provided with diaphragm regulating mechanism, and the diaphragm regulating mechanism includes the diaphragm rotating ring that iris diaphgram can be driven to rotate,
The diaphragm rotating ring is fixed in rear group lens barrel by lens barrel A, and being provided in the periphery of rear group lens barrel can be around rear group lens barrel periphery
The aperture setting ring of rotation, aperture setting ring left side, which is provided with, adjusts the diaphragm that ring is detached from rear group lens barrel periphery to snoot
Ring pressing ring is adjusted, the diaphragm driving motor to control iris diaphgram aperture is provided on the right side of iris diaphgram, is driven in diaphragm
The diaphragm driving gear that driving aperture setting ring carrys out back rotation is provided on motor output shaft, in diaphragm driving gear and diaphragm tune
It is provided with the diaphragm transmission gear to be driven between section ring, diaphragm plectrum is provided on aperture setting ring, in diaphragm plectrum
Two sides are provided with the diaphragm limiting bracket in rear group lens barrel, and being provided on diaphragm limiting bracket can cooperate with diaphragm plectrum
Realize that diaphragm adjusts the microswitch A of position limitation protection function.
8. the visible light lens according to claim 1 with fourth gear energy adjustment function, it is characterised in that: in rear group of mirror
The right side of cylinder is provided with focus adjusting mechanism, and the focus adjusting mechanism includes main cylinder of focusing, and focusing, main cylinder periphery is provided with focusing cam,
Focusing, main cylinder inner circumferential is provided with camera support, and CCD is provided on the inside of camera support, in focusing cam, the main cylinder of focusing and tune
It is equipped with focusing guide pin on burnt peripheral wall, is provided with focusing driving motor below main cylinder of focusing, in focusing driving motor
It is provided with the focusing driving wheel being meshed with focusing cam on output shaft, focusing plectrum is provided on focusing cam, is focusing
Plectrum two sides are provided with the focusing limiting bracket for being fixedly installed in and focusing on main cylinder, and being provided on focusing limiting bracket can be with tune
Burnt plectrum cooperation realizes that diaphragm adjusts the microswitch B of position limitation protection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456734.0U CN208752373U (en) | 2018-09-06 | 2018-09-06 | Visible light lens with fourth gear energy adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456734.0U CN208752373U (en) | 2018-09-06 | 2018-09-06 | Visible light lens with fourth gear energy adjustment function |
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| Publication Number | Publication Date |
|---|---|
| CN208752373U true CN208752373U (en) | 2019-04-16 |
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ID=66083145
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821456734.0U Active CN208752373U (en) | 2018-09-06 | 2018-09-06 | Visible light lens with fourth gear energy adjustment function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061983A (en) * | 2018-09-06 | 2018-12-21 | 福建福光股份有限公司 | Visible light lens and its working method with fourth gear energy adjustment function |
| CN110376701A (en) * | 2019-08-05 | 2019-10-25 | 舜宇光学(中山)有限公司 | Automatic zoom camera lens |
-
2018
- 2018-09-06 CN CN201821456734.0U patent/CN208752373U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061983A (en) * | 2018-09-06 | 2018-12-21 | 福建福光股份有限公司 | Visible light lens and its working method with fourth gear energy adjustment function |
| CN109061983B (en) * | 2018-09-06 | 2023-11-17 | 福建福光股份有限公司 | Visible light lens with four-gear energy adjusting function and working method thereof |
| CN110376701A (en) * | 2019-08-05 | 2019-10-25 | 舜宇光学(中山)有限公司 | Automatic zoom camera lens |
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