CN109960002A - A kind of pick-up lens and its application based on supersonic motor - Google Patents

A kind of pick-up lens and its application based on supersonic motor Download PDF

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Publication number
CN109960002A
CN109960002A CN201910327790.7A CN201910327790A CN109960002A CN 109960002 A CN109960002 A CN 109960002A CN 201910327790 A CN201910327790 A CN 201910327790A CN 109960002 A CN109960002 A CN 109960002A
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CN
China
Prior art keywords
lens
supersonic motor
lens barrel
rotor
pick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910327790.7A
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Chinese (zh)
Inventor
周锋
石岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Michuang Medical Technology Co Ltd
Original Assignee
Jiangsu Michuang Medical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Michuang Medical Technology Co Ltd filed Critical Jiangsu Michuang Medical Technology Co Ltd
Priority to CN201910327790.7A priority Critical patent/CN109960002A/en
Publication of CN109960002A publication Critical patent/CN109960002A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/022Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/025Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Lens Barrels (AREA)

Abstract

The invention discloses a kind of pick-up lens based on ultrasound, including one or more supersonic motors;One or more lens groups;Lens barrel, shell and two end caps;One or more lens groups are mounted in the lens barrel;One or more supersonic motors cover on the lens barrel;The casing is on one or more supersonic motors;Two end caps are mounted on the both ends of the shell by the connection of adjustable pitch formula;The lens barrel or side wall of outer shell are equipped with through slot;The rotor of each supersonic motor is equipped with helicla flute;One or more the multiple lens groups are equipped with trundle;The trundle is worn by the through slot on the lens barrel into the helicla flute of the rotor of each supersonic motor.Structural principle as the present invention, the rotation for providing a kind of ultrasonic rotor drive the linear motion method and apparatus of one or more lens groups, camera adjusting image clarity.Pick-up lens provided by the invention, accurate positioning, rapidly, compatibility is strong for focusing.

Description

A kind of pick-up lens and its application based on supersonic motor
Technical field
The present invention relates to a kind of pick-up lens, relate generally to a kind of pick-up lens based on supersonic motor control.
Background technique
The wide range of applications of pick-up lens, from daily visible cell-phone camera, vehicle-mounted pick-up, imaged to security protection, Satellite camera shooting, even following AI, VI smart field, pick-up lens are ubiquitous.Traditional pick-up lens is mostly fixed-focus Camera lens and simple zoom lens, for higher camera shooting requirement, using being very limited.
It is modern advanced medical imaging technology and its image documentation equipment as the medical zoom lens of camera shooting with one of field One of essential key components directly affect the system imagings quality such as machine vision, influence algorithm for image enhancement Realization and effect.Its major function be in a certain range can by change focal length, thus obtain different field angles, The clear picture of different size image, and then meet medical consultations requirement.Relative to tight shot, zoom lens is in medical domain Application, versatility, convenience are stronger, and especially in some more demanding applications, zoom lens is irreplaceable.
Existing pick-up lens mostly uses the principle of mechanical focusing and zoom including tight shot and zoom lens With structure.Due to manual focusing structure or ordinary motor focusing structure radial rotary direction and optical system axial movement it Between design feature, that there is focus operations is inconvenient, needs complicated gear, optical positioning system adjustment inaccurate, shadow The deficiencies of ringing image quality.
Summary of the invention
To solve the above-mentioned problems, of the invention that a kind of pick-up lens based on supersonic motor is provided, including one or Multiple supersonic motors;One or more lens groups;Lens barrel, shell and two end caps;One or more lens groups are mounted on institute It states in lens barrel;One or more supersonic motors cover on the lens barrel;The casing is one or more described super On sound wave motor;Two end caps are mounted on the both ends of the shell by the connection of adjustable pitch formula;The connection of adjustable pitch formula can be spiral shell Line connection.The lens barrel side wall is equipped with through slot;The rotor of each supersonic motor is equipped with helicla flute;One described more A lens group is equipped with trundle;The trundle is worn by the through slot on the lens barrel to the rotor of each supersonic motor Helicla flute on.
Further, the bearing is ball bearing or accurate sliding bearing.
Further, each described supersonic motor includes stator, rotor, piezoelectric ceramic piece and bearing;It is described fixed Son is placed on the end of rotor, and the rotor covers on the lens barrel;The piezoelectric ceramic piece is fixed on stator;The bearing Outer ring it is fixed on the housing, inner ring is fixed on the rotor.
Further, including a supersonic motor and a lens group;The lens group is equipped with trundle;It is described Trundle is worn by the through slot on lens barrel to the helicla flute in the rotor of the supersonic motor.
Further, including a supersonic motor and a plurality of lenses group;One of them described lens group, which is equipped with, to be passed Dynamic pin, the trundle are worn by the through slot on the lens barrel to the helicla flute in the rotor of the supersonic motor.
Further, including multiple supersonic motors and a plurality of lenses group;The quantity of the supersonic motor be less than or Equal to the quantity of lens group;The lens group equal with the quantity of the supersonic motor is equipped with trundle;Each described biography Dynamic pin all passes through the through slot on the lens barrel, wears to the helicla flute on the rotor in the supersonic motor.
Further, the extending direction of the through slot on the lens barrel is axial parallel with the lens barrel.
Further, an end cap is equipped with one or more harness entrances.
Further, each described lens group has its specific function and optics title, respectively fixed mirror, focusing Mirror, varifocal mirror, fixed-focus mirror etc.;Each described lens group is fixed on corresponding microscope base, is designed and is arranged according to optical principle In the lens barrel.
A kind of application of the pick-up lens based on supersonic motor can be applied to aerospace, safety monitoring, medical treatment are set It is standby to wait fields.For high-end accurate camera shooting and detection device, provide science practical pick-up lens.
A kind of pick-up lens based on supersonic motor provided by the invention, obtains following technical effect:
(1) integrated level and precision are high, all integrate in the housing, the environment more demanding suitable for integrated level or precision are set Standby occasion, such as in endoscope lens and microscope camera lens;
(2) it is controlled using supersonic motor, is controlled using algorithm, accuracy is high.It is easy to implement and automatically or semi-automatically controls, be easy Realize superelevation clearly image reproducing.
(3) compatibility is strong, suitable for all pick-up lens both at home and abroad on the market now.
(4) complicated speed change system is not needed, can be directly driven with low-speed big, therefore light weight, structure is simple, energy Enough it is various specific demands, provides science practical pick-up lens.
(5) two end caps be connected through a screw thread it is fixed on the shell, convenient for adjust supersonic motor stator and rotor it Between distance and pressure, thus adjust its transmission precision and output power.
(6) it is guarantee precision drive, bearing (rolling bearing or accurate sliding bearing) is designed on each rotor, The relative position of the fixed rotor, it is ensured that the rotor rotates accuracy.
Detailed description of the invention
Fig. 1 is the side structure schematic diagram of pick-up lens provided by the invention;
Fig. 2 be Fig. 1 along the sectional view of A-A;
Fig. 3 is the exploded view of pick-up lens provided by the invention;
Fig. 4 is the structural schematic diagram of the embodiment one of pick-up lens provided by the invention;
Fig. 5 is the structural schematic diagram of the embodiment two of pick-up lens provided by the invention;
Fig. 6 is the structural schematic diagram of the embodiment three of pick-up lens provided by the invention.
In figure: 11, stator;12, rotor;13, piezoelectric ceramic piece;14, bearing;15, helicla flute;2, lens group;21, it is driven Pin;3, lens barrel;31, through slot;4, shell;41, harness entrance;5, end cap.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of pick-up lens based on supersonic motor provided by the invention, including one Or multiple supersonic motors;One or more lens groups 2;Lens barrel 3, shell and 4 two end caps 5;One or more lens groups 2 are pacified In the lens barrel 3;One or more supersonic motors cover on the lens barrel 3;4 sets of the shell at one or more On a supersonic motor;Two end caps 5 are connected through a screw thread the both ends for being mounted on the shell 4;3 side wall of lens barrel is set There is through slot 31;The rotor 12 of each supersonic motor is equipped with helicla flute 15;One the multiple lens group 2 is equipped with Trundle 21;The trundle 21 is worn by the through slot 31 on the lens barrel 3 to the spiral shell of the rotor 12 of each supersonic motor On spin slot 15.
Specifically, 14 ball bearings of the bearing or accurate sliding bearing.
Specifically, each described supersonic motor includes stator 11, rotor 12, piezoelectric ceramic piece 13 and bearing 14;Institute The end that stator 11 is placed on rotor 12 is stated, 12 sets of the rotor on the lens barrel 3;The piezoelectric ceramic piece 13 is fixed on fixed On son 11;The outer ring of the bearing 14 is fixed on the shell 4, and inner ring is fixed on the rotor 12.
Specifically, including a supersonic motor and a lens group 2;The lens group 2 is equipped with trundle 21;It is described Trundle 21 is worn by the through slot 31 on lens barrel 3 to the helicla flute 15 in the rotor 12 of the supersonic motor.
Specifically, including a supersonic motor and a plurality of lenses group 2;One of them described lens group 2 is equipped with transmission Pin 21, the trundle 21 are worn by the through slot 31 on the lens barrel 3 to the helicla flute of the rotor 12 in the supersonic motor In 15.
Specifically, including multiple supersonic motors and a plurality of lenses group 2;The quantity of the supersonic motor is less than or equal to The quantity of lens group 2;The lens group 2 equal with the quantity of the supersonic motor is equipped with trundle 21;Each described biography Dynamic pin 21 is worn all by the through slot 31 on the lens barrel 3 to the helicla flute 15 on the rotor 12 of the supersonic motor.
Specifically, the extending direction of the through slot 31 on the lens barrel 3 is axial parallel with the lens barrel 3.
Specifically, an end cap 5 is equipped with one or more harness entrances 41.
Specifically, each described lens group 2 includes fixed-focus mirror, focusing lens, varifocal mirror and fixed mirror;Fixed-focus mirror is adjusted Jiao Jing, varifocal mirror and fixed mirror are all mounted on corresponding microscope base, and are combined between microscope base by gluing.
Conducting wire is connected on each described supersonic motor, all conducting wires pass through the harness on two end caps 5 Entrance 41 and external connection.
At runtime, when adjusting the position of pick-up lens, one or more of supersonic motors are each according to operation When a rotor 12 rotates, all drive the trundle 21 that is fixed in its helicla flute 15 along 31 axis of through slot of the lens barrel 3 To movement, so that corresponding lens group 2 be driven to move axially, zoom focusing is realized.Each described supersonic motor is by leading Line connects control switch, by artificially manually controlling, to adjust the distance between described lens group 2;Or connected by conducting wire It connects computer and commands the rotational angle of motor to realize by the image recognition algorithm to image clearly, acutance, contrast etc. The difference of lens set 2 described in each group is mobile to reach the same function of camera lens
Embodiment one
A kind of pick-up lens based on supersonic motor, including a supersonic motor;One lens group 2, the lens group are Fixed mirror;Lens barrel 3, shell 4 and two end caps 5;The lens group 2 is mounted in the lens barrel 3;The supersonic motor covers On the lens barrel 3;4 sets of the shell is on the supersonic motor;Two end caps 5, which are connected through a screw thread, is mounted on the shell 4 both ends;3 side wall of lens barrel is equipped with through slot 31;The rotor 12 of the supersonic motor is equipped with helicla flute 15;The camera lens Group 2 is equipped with trundle 21;The trundle 21 is worn by the through slot 31 on the lens barrel 3 to the rotor 12 in supersonic motor Helicla flute 15 on.
Specifically, the supersonic motor includes stator 11, rotor 12, piezoelectric ceramic piece 13 and bearing 14;The stator 11 are placed on the end of rotor 12, and 12 sets of the rotor on the lens barrel 3;The piezoelectric ceramic piece 13 is fixed on stator 11 On;The outer ring of the bearing 14 is fixed on the shell 4, and inner ring is fixed on the rotor 12.
Specifically, the extending direction of the through slot 31 on the lens barrel 3 is axial parallel with the lens barrel 3.
Specifically, setting on an end cap 5, there are three harness entrances 41.
When in use, after position changes, backstage operation program is moved according to the supersonic motor is controlled, described super The rotation of the rotor 12 of sound wave motor, drive are fixed on through slot of the trundle 21 in the helicla flute 15 on the lens barrel 3 31 axial movements realize focusing so that the lens group 2 be driven to move axially.
Embodiment two
A kind of pick-up lens based on supersonic motor, including a supersonic motor;Two lens groups 2;Lens barrel 3,4 and of shell Two end caps 5;Two lens groups 2 are mounted in the lens barrel 3;The supersonic motor covers on the lens barrel 3;It is described 4 sets of shell on the supersonic motor;Two end caps 5 are connected through a screw thread the both ends for being mounted on the shell 4;The lens barrel 3 side walls are equipped with through slot 31;The rotor 12 of the supersonic motor is equipped with helicla flute 15;One lens group 2, which is equipped with, to be passed Dynamic pin 21;The trundle 21 is worn by the through slot 31 on the lens barrel 3 to the helicla flute of the rotor 12 of the supersonic motor On 15.
Specifically, the supersonic motor includes stator 11, rotor 12, piezoelectric ceramic piece 13 and bearing 14;The stator 11 are placed on the end of rotor 12, and 12 sets of the rotor on the lens barrel 3;The piezoelectric ceramic piece 13 is fixed on stator 11 On;The outer ring of the bearing 14 is fixed on the shell 4, and inner ring is fixed on the rotor 12.
Specifically, the extending direction of the through slot 31 on the lens barrel 3 is axial parallel with the lens barrel 3.
Specifically, setting on an end cap 5, there are three harness entrances 41.
Specifically, two lens groups 2 are respectively fixed mirror and focusing lens.
At runtime, when adjusting the position of pick-up lens, the supersonic motor is run according to algorithm, when the rotor When 12 rotation, all the trundle 21 being fixed in its helicla flute 15 is driven to move axially along the through slot 31 on the lens barrel 3, from And corresponding lens group 2 is driven to move axially, realize zoom focusing.
Embodiment three
Pick-up lens of the kind based on supersonic motor, including two supersonic motors;Four lens groups 2;Lens barrel 3, shell 4 and two A end cap 5;Four lens groups 2 are mounted in the lens barrel 3;Two supersonic motors cover on the lens barrel 3;It is described outer 4 sets of shell on two supersonic motors;Two end caps 5 are connected through a screw thread the both ends for being mounted on the shell 4;The mirror 3 side walls of cylinder are equipped with through slot 31;The rotor 12 of each supersonic motor is equipped with helicla flute 15;Two mirrors on top Head group 2 is equipped with trundle 21;The trundle 21 is worn by the through slot 31 on the lens barrel 3 to two supersonic motors Rotor 12 helicla flute 15 on.
Specifically, each described supersonic motor includes stator 11, rotor 12, piezoelectric ceramic piece 13 and bearing 14;Institute The end that stator 11 is placed on rotor 12 is stated, 12 sets of the rotor on the lens barrel 3;The piezoelectric ceramic piece 13 is fixed on fixed On son 11;The outer ring of the bearing 14 is fixed on the shell 4, and inner ring is fixed on the rotor 12.
Specifically, the extending direction of the through slot 31 on the lens barrel 3 is axial parallel with the lens barrel 3.
Specifically, setting on an end cap 5, there are three harness entrances 41.
Specifically, four lens groups 2 are respectively fixed-focus mirror, focusing lens, varifocal mirror and fixed mirror;They are according to optics Principle design is arranged in the lens barrel 3.
When in use, after position changes, backstage operation program is moved according to described two supersonic motors are controlled, and two The rotation of the rotor 12 of a supersonic motor drives the trundle 21 being fixed in the helicla flute 15 along the lens barrel 3 On through slot 31 move axially, so that two lens groups 2 be driven to move axially, realize focusing zoom.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (10)

1. a kind of pick-up lens based on supersonic motor, it is characterised in that: including one or more supersonic motors;One or A plurality of lenses group;Lens barrel, shell and two end caps;One or more lens groups are mounted in the lens barrel;One or more institutes Supersonic motor is stated to cover on the lens barrel;The casing is on one or more supersonic motors;Two end caps are logical Cross the both ends that the connection of adjustable pitch formula is mounted on the shell;The lens barrel side wall is equipped with through slot;Each described supersonic motor Rotor be equipped with helicla flute;One the multiple lens group is equipped with trundle;The trundle passes through on the lens barrel Through slot is worn into the helicla flute of the rotor of each supersonic motor.
2. a kind of pick-up lens based on supersonic motor according to claim 1, it is characterised in that: the bearing is ball Bearing or accurate sliding bearing.
3. a kind of pick-up lens based on supersonic motor according to claim 1, it is characterised in that: each described ultrasound Wave motor includes stator, rotor, piezoelectric ceramic piece and bearing;The stator is placed on the end of rotor, and the rotor is covered in institute It states on lens barrel;The piezoelectric ceramic piece is fixed on stator;The outer ring of the bearing is fixed on the housing, and inner ring is fixed on On the rotor.
4. a kind of pick-up lens based on supersonic motor according to claim 3, it is characterised in that: including a ultrasonic wave Motor and a lens group;The lens group is equipped with trundle;The trundle is worn by the through slot on lens barrel to described super On the helicla flute of the rotor of sound wave motor.
5. a kind of pick-up lens based on supersonic motor according to claim 3, it is characterised in that: including a ultrasonic wave Motor and a plurality of lenses group;One of them described lens group is equipped with trundle, and the trundle passes through logical on the lens barrel Slot is worn to the helicla flute of the rotor of the supersonic motor.
6. a kind of according to claim 3 be based on supersonic motor pick-up lens, it is characterised in that: including multiple ultrasonic wave electricity Machine and a plurality of lenses group;The quantity of the supersonic motor is less than or equal to the quantity of lens group;With the supersonic motor The equal lens group of quantity is equipped with trundle;Each described trundle passes through the through slot on the lens barrel, wears to described In helicla flute on the rotor of supersonic motor.
7. a kind of pick-up lens based on supersonic motor according to claim 1, it is characterised in that: logical on the lens barrel The extending direction of slot is axial parallel with the lens barrel.
8. a kind of pick-up lens based on supersonic motor according to claim 1, it is characterised in that: on an end cap Equipped with one or more harness entrances.
9. a kind of pick-up lens based on supersonic motor according to claim 1, it is characterised in that: each described camera lens Group has specific optical function, is sequentially arranged in the lens barrel according to the optical path sequence of optical design.
10. a kind of application of the pick-up lens of supersonic motor, it is characterised in that: in the high instrument of required precision.
CN201910327790.7A 2019-04-23 2019-04-23 A kind of pick-up lens and its application based on supersonic motor Pending CN109960002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910327790.7A CN109960002A (en) 2019-04-23 2019-04-23 A kind of pick-up lens and its application based on supersonic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910327790.7A CN109960002A (en) 2019-04-23 2019-04-23 A kind of pick-up lens and its application based on supersonic motor

Publications (1)

Publication Number Publication Date
CN109960002A true CN109960002A (en) 2019-07-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63311221A (en) * 1987-06-12 1988-12-20 Nikon Corp Lens body structure incorporating ultrasonic motor
JPH0651181A (en) * 1992-07-28 1994-02-25 Nikon Corp Lens barrel
CN104678532A (en) * 2013-12-03 2015-06-03 博立码杰通讯(深圳)有限公司 Zooming and focusing device and zoom lens
CN108107539A (en) * 2016-11-25 2018-06-01 中国科学院长春光学精密机械与物理研究所 More dynamic group Zoom optic lens and projection display system
CN208597035U (en) * 2018-08-31 2019-03-12 洛阳同铸电子科技有限公司 A kind of rotary-type linear ultrasonic electric machine driving focusing, zoom lens
CN209821475U (en) * 2019-04-23 2019-12-20 江苏米创医疗科技有限公司 Camera lens based on ultrasonic motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63311221A (en) * 1987-06-12 1988-12-20 Nikon Corp Lens body structure incorporating ultrasonic motor
JPH0651181A (en) * 1992-07-28 1994-02-25 Nikon Corp Lens barrel
CN104678532A (en) * 2013-12-03 2015-06-03 博立码杰通讯(深圳)有限公司 Zooming and focusing device and zoom lens
CN108107539A (en) * 2016-11-25 2018-06-01 中国科学院长春光学精密机械与物理研究所 More dynamic group Zoom optic lens and projection display system
CN208597035U (en) * 2018-08-31 2019-03-12 洛阳同铸电子科技有限公司 A kind of rotary-type linear ultrasonic electric machine driving focusing, zoom lens
CN209821475U (en) * 2019-04-23 2019-12-20 江苏米创医疗科技有限公司 Camera lens based on ultrasonic motor

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