CN109975944A - The accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution - Google Patents
The accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution Download PDFInfo
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- CN109975944A CN109975944A CN201910385721.1A CN201910385721A CN109975944A CN 109975944 A CN109975944 A CN 109975944A CN 201910385721 A CN201910385721 A CN 201910385721A CN 109975944 A CN109975944 A CN 109975944A
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- microscope group
- zoom
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- group
- camera 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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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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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
The present invention relates to a kind of accurate all-in-one machine camera lenses of big target surface of continuous 4 times of zoom high-resolution, it is used to install the body tube microscope group of preceding group of lens including front, it is located on rear side of preceding group of lens in the body tube microscope group and is provided with zoom microscope base, DC-iris&IR-cut double-drive mechanism is provided on rear side of the zoom microscope base, it is located on rear side of DC-iris&IR-cut double-drive mechanism in the body tube microscope group and is provided with fixed microscope group, post-compensation microscope group is provided on rear side of the fixed microscope group, the rear end of the body tube microscope group is also connected with rear fixing seat, the motor transmission that the lower part two sides of the body tube microscope group are separately provided for driving zoom microscope base and post-compensation microscope group slides along radiation direction, PI plate and FPC soft board mechanism are additionally provided in body tube microscope group.The camera lens realizes the technological break-through of high definition, 4X multiplying power, big target surface.
Description
Technical field
The present invention relates to a kind of accurate all-in-one machine camera lenses of big target surface of continuous 4 times of zoom high-resolution.
Background technique
With economic, science science and technology rapidly development, either developed country or developing country, safety problem is all
The focus of interest as current entire society, currently in the everyday environments of ordinary people, as supermarket, office building, garage,
Street, hotel, square, the cell even lived, everywhere video camera, it may be said that video camera is ubiquitous.And with
Safety monitoring is increasingly becoming the hot spot of social demand concern, and the development of safety monitoring technology is also increasingly by all sectors of society
Pay attention to, requirement of the people to monitoring from initial stage be only image show gradually to continuous vari-focus, high definition, it is low shine, day and night entirely
Weather, hidden-type direction develop, thus also small as far as possible to outer dimension, motor Continuous Drive zoom and poly- in structure design
The DC-iris of burnt, big light passing is bis- to drive structure, the interface simple type of FPC plate and standardization, the design of PI " zero " plate functional structure etc.
Propose higher design requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of accurate all-in-one machine camera lenses of big target surface of continuous 4 times of zoom high-resolution, should
Camera lens realizes the technological break-through of high definition, 4X multiplying power, big target surface.
Technical program of the present invention lies in: a kind of accurate all-in-one machine camera lens of big target surface of continuous 4 times of zoom high-resolution, packet
Front is included for installing the body tube microscope group of preceding group of lens, is located on rear side of preceding group of lens in the body tube microscope group and is provided with change
Times microscope base is provided with DC-iris&IR-cut double-drive mechanism on rear side of the zoom microscope base, is located at DC- in the body tube microscope group
It is provided with fixed microscope group on rear side of iris&IR-cut double-drive mechanism, post-compensation microscope group, institute are provided on rear side of the fixed microscope group
The rear end for stating body tube microscope group is also connected with rear fixing seat, and the lower part two sides of the body tube microscope group are separately provided for driving
The motor transmission that zoom microscope base and post-compensation microscope group slide along radiation direction, be additionally provided in body tube microscope group PI plate and
FPC soft board mechanism.
Further, the motor transmission includes the stepper motor for being set to rear fixing seat lower part, the stepping electricity
Machine is fixed in body tube microscope group through bracket, and the output end of stepper motor is provided with drive lead screw, is arranged on the drive lead screw
There is meshed driving lever, the both sides between the body tube microscope group and rear fixing seat are respectively arranged with guide rod, the change
The side of times microscope group and post-compensation microscope group is respectively arranged with to be slidably matched with guide rod, the driving lever and zoom microscope group or post-compensation mirror
Group is connected to drive zoom microscope group or post-compensation microscope group to slide.
Further, corresponding with the motor drive mechanism of its sliding is driven in the zoom microscope group and post-compensation microscope group
Side is respectively fixed with the sliding block being slidably matched with guide rod, and the lower part of the sliding block is provided with the installation for being connected with driving lever
Portion is provided with the axle portion matched with mounting portion on the driving lever, pressure spring is equipped in the axle portion, and be nested with
There is the torsional spring that one end is connected with driving lever side and the other end is connected with the driving lever other side.
Further, the DC-iris&IR-cut double-drive mechanism includes the fixing seat being set in body tube microscope group, institute
The optical filter and blade of diaphragm for being provided in fixing seat and going out positioned at optical path are stated, the upper end of fixing seat is provided with big for monitoring aperture
Small Hall element, for switching optical filter to realize that full projection-type AR glass and infrared cut coating IR glass are day and night switched
The IR-cut drive motor of function and for the Iris motor for opening and closing blade of diaphragm.
Further, it is additionally provided on rear side of the fixing seat for optical filter, blade of diaphragm, Hall element, IR-cut
The bottom plate that drive motor and Iris motor are fixed and positioned.
Further, FPC soft board mechanism includes for controlling for controlling motor transmission stepper motor
One pcb board, for connect PI plate carry out the second pcb board of PI reset, the third pcb board for controlling IR-cut drive motor,
For controlling the 4th pcb board of Iris motor, first pcb board, the second pcb board, third pcb board and the 4th pcb board are through FPC
Plate is connected as assembly, and the assembly is fixed at body tube and is connected with 26 pin mouthfuls of output connection.
The fixing fabric structure of whole camera lens is within 52mm, within width 47mm, within height 45mm in length.
Compared with prior art, the invention has the following advantages that the focal length of this camera lens is to connect within the scope of 8mm ~ 32mm
It is continuous variable, there is lens bodies mechanism, motor transmission, DC-iris&IR-cut double-drive mechanism, FPC trigger structure, above 4 kinds
Mechanism passes through zoom stepper motor, the screw-rod structure of focusing stepper motor drives the zoom group of camera lens, compensation group respectively and matches
Fixed fixed group and preceding group is closed, to reach four constituent element eyeglass mutual cooperation electric continuous zooming heat functions；Since light bar hole reaches
Φ 10mm, and to meet electronic aperture automatic adjustment, IR-cut day and night switching function, the control of light bar hole location Hall element, design
DC-iris&IR-cut double-drive mechanism；For the operation summary and standardization for realizing client, FPC connecting plate is devised, is realized
26 pin mouthfuls of output connection definition, interface are simple and convenient；PI " zero " hardened structure design, ensure that camera lens uses every time can be first
The location accuracy for the zero that begins.Whole camera lens fixing fabric structure ensure that the accuracy of camera lens, match within 52mmX47mmX45mm
Close the hidden-type that video camera realizes monitoring.Meanwhile for make camera lens satisfaction teetertotter do not run it is burnt, focus, zoom whole process is not shaken
The problems such as, double-spring structure is devised at transmission driving lever, keeps stability and durability to monitoring objective.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention one；
Fig. 2 is structural schematic diagram two of the invention；
Fig. 3 is the A-A cross-sectional view of Fig. 1 of the invention；
Fig. 4 is the structural schematic diagram one after removal body tube of the invention；
Fig. 5 is the structural schematic diagram two after removal body tube of the invention；
Fig. 6 is the fit structure schematic diagram of motor transmission and post-compensation microscope group and zoom microscope group of the invention；
Fig. 7 is the structural schematic diagram of motor transmission of the invention；
Fig. 8 is the structural schematic diagram one of DC-iris&IR-cut double-drive mechanism of the invention；
Fig. 9 is the structural schematic diagram two of DC-iris&IR-cut double-drive mechanism of the invention；
In figure: 10- body tube microscope group 11- PI plate 12- guide rod 20- zoom microscope base 30-DC-iris&IR-cut is bis- to be driven
Mechanism 31- fixing seat 32- optical filter 33- blade of diaphragm 34- Hall element 35-IR-cut drive motor 36-
Fixing seat 70- motor transmission after the fixed microscope group 50- post-compensation microscope group 60- of Iris motor 37- bottom plate 40-
71- stepper motor 72- bracket 73- drive lead screw 74- driving lever 75- sliding block 76- mounting portion 77- axle portion
78- pressure spring 79- torsional spring 80-PI plate 90-FPC soft board mechanism 91- the first pcb board the second pcb board of 92- 93-
Pin mouthfuls of the 4th pcb board 95-26 of three pcb board 94-.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 9
The accurate all-in-one machine camera lens of a kind of big target surface of continuous 4 times of zoom high-resolution, including front for installing preceding group of lens
Body tube microscope group 10, the body tube microscope group is interior to be provided with zoom microscope base 20, the zoom microscope base on rear side of preceding group of lens
Rear side be provided with DC-iris&IR-cut double-drive mechanism 30, the bis- drive machines of DC-iris&IR-cut are located in the body tube microscope group
It is provided with fixed microscope group 40 on rear side of structure, post-compensation microscope group 50, the body tube microscope group are provided on rear side of the fixed microscope group
Rear end be also connected with rear fixing seat 60, the lower part two sides of the body tube microscope group be separately provided for driving zoom microscope base and
The motor transmission 70 that post-compensation microscope group slides along radiation direction, the side wall of body tube microscope group are provided with PI plate 80 and are set to
The FPC soft board mechanism 90 on body tube microscope group top.
Zoom microscope group moves axially on guide rod with compensation microscope group, and fixed microscope group cooperates constant with body tube microscope group
Relative position, to realize the function of camera lens zoom and focusing, and zoom and focusing shift motion limit are by rear fixing seat and primary mirror
Cylinder microscope group executes jointly.Two microscope groups design infrared ray PI cut-off part according to optical requirement, PI rezero operation are carried out, to meet light
High definition requirement is learned, within 0.005mm, id tolerance controls within 0.01mm the concentricity of four microscope groups itself, belongs to high-precision
Mold molding is spent, required precision is very high.And design driving lever in two microscope groups and place position, realize power zoom transmission operation.
Body tube microscope group is locked with rear fixing seat by screw, by the positioning of this two component of continuous refine
Size, to meet zoom microscope group and post-compensation microscope group in mobile whole process, concentricity is within 0.01mm.Fixation microscope group is consolidated with rear
Reservation, body tube microscope group are in accurate relative position, so that this three constituent elements concentricity and relative position allowance control are in 0.01mm
It is interior.Devised on body tube motor transmission bearing, PI plate bearing, DC-iris&IR-cut double-drive mechanism bearing with
Meet allomeric function demand；It is simultaneously the rear burnt demand of compatible client's difference sensor, enters sub- knot by designing difference on mold
Structure fixes the size of group to realize after change.
In the present embodiment, the motor transmission includes the stepper motor for being set to rear fixing seat lower part as power source
71, the stepper motor is fixed in body tube microscope group through bracket 72, and the output end of stepper motor is provided with drive lead screw 73, institute
It states and is provided with meshed driving lever 74 on drive lead screw, the both sides difference between the body tube microscope group and rear fixing seat
It is provided with guide rod 12, the side of the zoom microscope group and post-compensation microscope group is respectively arranged with to be slidably matched with guide rod, the driving lever
It is connected with zoom microscope group or post-compensation microscope group to drive zoom microscope group or post-compensation microscope group to move along camera lens optical axis to realize mirror
The electronic zoom and Power focus of head.
In the present embodiment, for make camera lens satisfaction teetertotter do not run it is burnt, focus, zoom whole process is not shaken the problems such as, keep
To the stability and durability of monitoring objective, in the zoom microscope group and post-compensation microscope group with drive its sliding motor-driven machine
The corresponding side of structure is respectively fixed with the sliding block 75 being slidably matched with guide rod, and the lower part of the sliding block, which is provided with, to be used for and driving lever
The mounting portion 76 being connected, is provided with the axle portion 77 matched with mounting portion on the driving lever, in the axle portion
It is equipped with pressure spring 78, to prevent camera lens from occurring float problem in zoom and focusing, while can also be played certain
It prevents camera lens from shaking and runs burnt phenomenon.Axle portion is also equipped with one end and is connected with driving lever side and the other end and the driving lever other side
The torsional spring 79 being connected plays the effect for preventing lens set play with the durability that increase acts.
Outputting torsion is rotated by drive lead screw in stepper motor, and stepper motor stepping angle is 18 °/step,
Screw rod screw pitch is 0.2mm.So: every step zoom, focusing accuracy be 0.2X18 °/360 °=0.01mm/step, ensure that camera lens compared with
High focusing accuracy meets the performance requirement of camera lens
In the present embodiment, the DC-iris&IR-cut double-drive mechanism includes the fixing seat 31 being set in body tube microscope group, institute
The optical filter 32 and blade of diaphragm 33 for being provided in fixing seat and going out positioned at optical path are stated, the upper end of fixing seat is provided with for monitoring light
Enclose the Hall element 34 of size, for switching optical filter to realize that full projection-type AR glass and infrared cut coating IR glass carry out day
The IR-cut drive motor 35 of night handoff functionality and for the Iris motor 36 for opening and closing blade of diaphragm.
In the present embodiment, it is additionally provided on rear side of the fixing seat for optical filter, blade of diaphragm, Hall element, IR-
The bottom plate 37 that cut drive motor and Iris motor are fixed and positioned.
IR-cut drive motor makes optical filter switch over movement, by pulse signal to reach in IR-cut " total transmissivity
The AR glass of formula " and " the IR glass of infrared cutoff " are switched mutually, to reach the function that control camera lens day and night uses.
After Iris motor obtains direct current signal, light bar blade may make to carry out opening and closing movement, to reach the size in accurate control light bar hole,
It avoids camera lens that picture overexposure is imaged in use, while avoiding light bar hole too small and generating light diffraction phenomenon, influence
Imaging.Hall element can Real-time Feedback aperture size this moment location information to camera chip, facilitate the rear end of video camera soft
Body carries out operation and operation.Above each component be placed in fixing seat, be fixed by the techniques such as bottom plate and dispensing, hot melt and
The bis- drive driving functions of entirety DC-iris&IR-cut are realized in positioning.
In the present embodiment, FPC soft board mechanism includes for controlling for controlling motor transmission stepper motor
First pcb board 91 carries out the second pcb board 92 of PI reset, the third for controlling IR-cut drive motor for connecting PI plate
Pcb board 93, the 4th pcb board 94 for controlling Iris motor, first pcb board, the second pcb board, third pcb board and the 4th
Pcb board is connected as assembly through FPC plate, and the assembly is fixed at body tube and is connected with 26 pin mouthfuls of output connection 95.
First pcb board connects the stepper motor of two Φ 10, controls zoom group respectively and the pulse signal of focusing group is defeated
Enter；Second pcb board connects PI module, can carry out PI " zero " and reset operation；The motor of third pcb board connection IR-cut can carry out
Optical filter switching control；4th pcb board controls the control that DC-Iris motor carries out DC-Iris aperture size；Passed through with upper-part
FPC soft board is attached, and is fixed on body tube, exports eventually by 26 pin mouthfuls of wiring, client terminal is facilitated to connect
It uses.
In the present embodiment, the fixing fabric structure of whole camera lens is within 52mm in length, within width 47mm, height 45mm with
It is interior, it ensure that the accuracy of camera lens, cooperation video camera realizes the hidden-type of monitoring.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction designs the accurate all-in-one machine camera lens of the big target surface of various forms of continuous 4 times of zoom high-resolution and does not need to create
The labour for the property made, without departing from the principles and spirit of the present invention all equalizations done according to scope of the present invention patent
Change, modification, replacement and modification are all covered by the present invention.
Claims (7)
1. a kind of accurate all-in-one machine camera lens of big target surface of continuous 4 times of zoom high-resolution, including front is for installing preceding group of lens
Body tube microscope group, which is characterized in that be located in the body tube microscope group on rear side of preceding group of lens and be provided with zoom microscope base, it is described
It is provided with DC-iris&IR-cut double-drive mechanism on rear side of zoom microscope base, is located at DC-iris&IR-cut in the body tube microscope group
It is provided with fixed microscope group on rear side of double-drive mechanism, post-compensation microscope group, the body tube mirror are provided on rear side of the fixed microscope group
The rear end of group is also connected with rear fixing seat, the lower part two sides of the body tube microscope group be separately provided for driving zoom microscope base and
The motor transmission that post-compensation microscope group slides along radiation direction is additionally provided with PI plate and FPC soft board mechanism in body tube microscope group.
2. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 1, feature exist
In the motor transmission includes the stepper motor for being set to rear fixing seat lower part, and the stepper motor is fixed on through bracket
In body tube microscope group, the output end of stepper motor is provided with drive lead screw, is provided on the drive lead screw meshed
Driving lever, the both sides between the body tube microscope group and rear fixing seat are respectively arranged with guide rod, the zoom microscope group and post-compensation
The side of microscope group is respectively arranged with to be slidably matched with guide rod, and the driving lever is connected to drive with zoom microscope group or post-compensation microscope group
Zoom microscope group or the sliding of post-compensation microscope group.
3. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 2, feature exist
In side corresponding with the motor drive mechanism of its sliding is driven is respectively fixed in the zoom microscope group and post-compensation microscope group
The sliding block being slidably matched with guide rod, the lower part of the sliding block are provided with the mounting portion for being connected with driving lever, on the driving lever
It is provided with the axle portion matched with mounting portion, pressure spring is equipped in the axle portion, and be equipped with one end and driving lever
The torsional spring that side is connected and the other end is connected with the driving lever other side.
4. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 2 or 3, feature
It is, the DC-iris&IR-cut double-drive mechanism includes the fixing seat being set in body tube microscope group, is set in the fixing seat
It is equipped with and is located at optical filter and blade of diaphragm that optical path goes out, the upper end of fixing seat is provided with the member of the Hall for monitoring aperture size
Part, the IR- that full projection-type AR glass and infrared cut coating IR glass progress day and night switching function are realized for switching optical filter
Cut drive motor and for the Iris motor for opening and closing blade of diaphragm.
5. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 4, feature exist
In being additionally provided on rear side of the fixing seat for optical filter, blade of diaphragm, Hall element, IR-cut drive motor and Iris
The bottom plate that motor is fixed and positioned.
6. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 4, feature exist
In, FPC soft board mechanism include for controlling the first pcb board for controlling motor transmission stepper motor, for connecting
It connects PI plate and carries out the second pcb board of PI reset, the third pcb board for controlling IR-cut drive motor, for controlling Iris horse
The 4th pcb board reached, first pcb board, the second pcb board, third pcb board and the 4th pcb board are connected as combining through FPC plate
Body, the assembly are fixed at body tube and are connected with 26 pin mouthfuls of output connection.
7. the accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution according to claim 1, feature exist
In the fixing fabric structure of whole camera lens is within 52mm, within width 47mm, within height 45mm in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385721.1A CN109975944A (en) | 2019-05-09 | 2019-05-09 | The accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385721.1A CN109975944A (en) | 2019-05-09 | 2019-05-09 | The accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution |
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| Publication Number | Publication Date |
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| CN109975944A true CN109975944A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910385721.1A Pending CN109975944A (en) | 2019-05-09 | 2019-05-09 | The accurate all-in-one machine camera lens of the big target surface of continuous 4 times of zoom high-resolution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007201A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Drive assembly, camera module, and electronic device with photography function |
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| CN204883016U (en) * | 2015-08-27 | 2015-12-16 | 成都优视光电技术有限公司 | Full automatically zoom camera lens of full plastic casing IR of 4 -88mm |
| JP2018005137A (en) * | 2016-07-08 | 2018-01-11 | キヤノン株式会社 | Zoom lens capable of mounting electrically-driven zoom device |
| CN109459832A (en) * | 2018-12-18 | 2019-03-12 | 福建福光股份有限公司 | The big accurate camera lens of light passing all-in-one machine of continuous vari-focus high-resolution |
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| CN101950067A (en) * | 2010-09-21 | 2011-01-19 | 宁波舜宇红外技术有限公司 | Long-wavelength infrared continuous zoom lens |
| CN203535295U (en) * | 2013-10-31 | 2014-04-09 | 四川九洲电器集团有限责任公司 | Automatic zooming mechanism |
| CN103901592A (en) * | 2014-04-29 | 2014-07-02 | 济南和普威视光电技术有限公司 | Infrared continuous-zoom lens |
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Application publication date: 20190705 |