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WO2007090331A1 - Module de lentilles à dispositif de suspension de commande parallèle - Google Patents

Module de lentilles à dispositif de suspension de commande parallèle Download PDF

Info

Publication number
WO2007090331A1
WO2007090331A1 PCT/CN2006/003604 CN2006003604W WO2007090331A1 WO 2007090331 A1 WO2007090331 A1 WO 2007090331A1 CN 2006003604 W CN2006003604 W CN 2006003604W WO 2007090331 A1 WO2007090331 A1 WO 2007090331A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
assembly
lens assembly
suspension device
parallel
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.)
Ceased
Application number
PCT/CN2006/003604
Other languages
English (en)
Chinese (zh)
Inventor
Pao-Chyuan Chen
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.)
NEW KEN TECHNOLOGIES Co Ltd
Original Assignee
NEW KEN TECHNOLOGIES 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 NEW KEN TECHNOLOGIES Co Ltd filed Critical NEW KEN TECHNOLOGIES Co Ltd
Publication of WO2007090331A1 publication Critical patent/WO2007090331A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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

Definitions

  • the present invention relates to a lens module having a parallel drive suspension device, and more particularly to a lens module for a focus or zoom device that requires parallel movement in an image capture system. Background technique
  • General digital imaging products such as digital cameras, cell phone cameras or digital cameras, have been regarded as important devices for image capture and storage.
  • lens modules are included. Convert an optical image to a digital image signal.
  • a focus actuator is required to drive the lens assembly in parallel.
  • the focus deviation correction of the lens optical axis allows the optical image to be correctly focused on the image sensing module.
  • An object of the present invention is to provide a lens module having a parallel drive suspension device of a focus or zoom system having a simple structure, a low cost, and a minimum tilt angle of lens lens movement.
  • a lens module having a parallel driving suspension device of the present invention comprises an electromagnetic driving assembly, a lens assembly and a suspension assembly; the parallel driving suspension device is mainly provided for the lens to move in parallel, and An optical axis passing through the lens can be defined, and the direction of the magnetic force generated by the electromagnetic driving component is the same as the direction of the optical axis, so that the lens assembly moves in the extending direction of the optical axis by the parallel mechanism provided by the suspension device.
  • 1A is a side view of the mechanism principle before parallel movement of the present invention
  • Figure 1B is a side view of the mechanism principle of the parallel movement of the present invention.
  • FIG. 2 is a top plan view of a mechanism for parallel movement of the present invention
  • Figure 3 is an exploded perspective view of a preferred embodiment of the present invention
  • Figure 4 is a partially exploded perspective view of a preferred embodiment of the present invention
  • Figure 5 is a combination view of a suspension device according to a preferred embodiment of the present invention.
  • Figure 6A is a bottom plan view of a preferred embodiment of the present invention.
  • Figure 6B is a side view of a preferred embodiment of the present invention.
  • Figure 7 is a sectional view taken along line 7-7 of Figure 6A;
  • Figure 8 is a cross-sectional view taken along line 8-8 of Figure 6A;
  • Figure 9 is a cross-sectional view taken along line 9-9 of Figure 6A;
  • Figure 10 is a cross-sectional view taken along line 10-10 of Figure 6B;
  • FIG. 11 is a schematic view of another preferred embodiment of the present invention.
  • the list of parts represented by each label is as follows:
  • FIG. 1 A preferred embodiment of the present invention will be further described with reference to the accompanying drawings, in which: FIG.
  • 1A is a side view of the mechanism principle before parallel movement of the present invention
  • 1B is a side view of the mechanism principle of the parallel movement of the present invention.
  • FIG. 2 is a top plan view of a mechanism for parallel movement of the present invention
  • Figure 3 is an exploded perspective view of a preferred embodiment of the present invention.
  • Figure 4 is a partially exploded perspective view of a preferred embodiment of the present invention.
  • Figure 5 is a combination view of a suspension device according to a preferred embodiment of the present invention
  • Figure 6A is a bottom plan view of a preferred embodiment of the present invention
  • Figure 6B is a side view of a preferred embodiment of the present invention.
  • Figure 7 is a sectional view taken along line 7-7 of Figure 6A;
  • Figure 8 is a cross-sectional view taken along line 8-8 of Figure 6A;
  • Figure 9 is a cross-sectional view taken along line 9-9 of Figure 6A;
  • Figure 10 is a cross-sectional view taken along line 10-10 of Figure 6B;
  • FIG. 11 is a schematic view of another preferred embodiment of the present invention.
  • FIG. 1 and FIG. 2 are schematic diagrams of the mechanism for parallel movement of the present invention, wherein FIGS. 1A and B illustrate the basic relationship between a suspension device and its parallel movement, and the suspension device has a movable portion 1 .
  • the movable portion 1 is suspended by a fixed length of two elastic bodies 2, 3 of equal length, which constitutes a moving mechanism on the plane, but the mechanism will eventually generate a degree of freedom of rotation in the three-dimensional space; therefore, please Referring to FIG.
  • a shaft-shaped guide rod 5 is disposed on the fixing portion 4, and the movable portion 1 is provided with a groove 6, and the outer edge of the guiding rod 5 is matched with the groove 6 on the movable portion 1.
  • the mechanism for causing the suspension device to form a parallel movement in the space, as shown in FIG. 1B, is such that it has a translational limitation of the guide shaft and the two elastic bodies, so that the lens can be prevented from being inclined during the movement, thereby providing accurate The function of focusing, zooming or panning the objective.
  • a lens module having a parallel driving suspension device includes a fixed base 10, a lens assembly 20, an electromagnetic driving assembly 30, and a lens module.
  • Suspension assembly 40 and a guide member 50 wherein;
  • the fixed base 10, 4 is a square-shaped housing, and has a cavity 11 in the interior thereof, a through hole 12 is defined in the upper portion, and a recess 13 is defined in the sidewall of the fixed base 10 for fixing a printed circuit board 14, the printed circuit board 14 having a specific circuit structure;
  • the lens assembly 20 is disposed in the through hole 12 in the cavity 11 of the fixed base 10, has an objective lens 21 and an objective lens carrier 22, and defines an optical axis direction passing through the objective lens 21, and the objective lens carries
  • the housing 22 is provided with a receiving hole 221, and the receiving hole 221 is configured for the objective lens 21 to be coupled, so that the objective lens carrier 22 can be glued, the shaft hole is precisely matched or the screw is combined with the objective lens 21.
  • the combination of the objective lens 21 and the objective lens carrier 22 produces a synchronous movement; in addition, the outer circumference of the objective lens carrier 22 is provided with a ring groove 222, and the top end and the bottom end of the objective lens carrier 11 are respectively provided with a hanging end portion 223, 224, in addition, the objective lens carrier 22 is provided with a guiding portion 225, and the guiding portion 225 has a circular or elliptical guiding hole or a fixed width sliding slot;
  • the electromagnetic drive assembly 30 has a yoke 31, a magnet group 32 and a coil 33. After the yoke 31 is adhesively bonded to the magnet group 32, the yoke 31 and the magnet group 32 are fixed to the electromagnetic yoke 31.
  • the coil 33 is wrapped around the objective lens holder a ring groove 222 of 22, and connecting the two lead ends of the coil 33 to the hanging end portions 223, 224 of the objective lens holder 22; thereby, the yoke 31, the magnet group 32 and the objective lens holder
  • the coil 33 of 22 forms a magnetic field space and generates a magnetic force direction which is the same as the optical axis direction of the objective lens 21, and the magnetic field space covers the movable range of the carrier 22 of the objective lens 7 by the current passing through the coil 33.
  • the objective lens carrier 22 is translated in translation, and the direction of movement of the objective lens carrier 22 can be changed by changing the direction of the current;
  • the suspension assembly 40 has two elastic conductors 41 of the same length, and each of the elastic conductors 41 has the dual characteristics of an elastic body and a conductor, and two ends of the suspension conductors are respectively fixed to the two suspensions of the objective lens carrier 22 by welding.
  • the end portions 223, 224 and the printed circuit board 14 of the fixed base 10 the above structure forms a closed parallelogram in terms of spatial characteristics, such that the elastic conductor 41 forms a main component for suspending the lens assembly 20, and additionally
  • the elastic conductor 41 is connected to the suspension ends 223, 224 of the objective lens holder 22, and is in electrical communication with the two lead ends of the coil 33, so that current can be borrowed from the printed circuit board 14.
  • the elastic conductor 41 is electrically connected to the coil 33 and forms a current loop;
  • the guide member 50 is a fixed diameter shaft or a fixed width guide rail and defines an axis.
  • a guide rod having a circular cross section is fixed to the fixed base 10 by inserting.
  • the guiding member 50 can also be integrally formed with the fixing base 10; the guiding member 50 is received in the guiding portion 225 of the objective lens carrier 22 such that the guiding member 50 and the lens assembly 20 are The contact is made, and the axis of the guiding member 50 is perpendicular to the normal of the plane of the parallelogram formed by the two elastic conductors 41, and parallel with the translation direction of the lens assembly 20, restricting the rotational movement of the lens assembly 20. And moving up and down the line on the guide member 50.
  • the coil 33 is energized in the magnetic field space by the elastic conductor 41 to generate a force for driving the lens assembly 20, and the direction of the driving force can be changed by changing the direction of the current, so
  • the lens assembly 20 is capable of focusing or zooming up and down.
  • FIG. 11 a schematic view of another preferred embodiment of the present invention, which is different from the above embodiment, is a guide member 50' having a square cross section.
  • the present invention has the advantages of simple structure and low cost by the parallel driving suspension device described above, and at the same time, the lens can be prevented from being tilted during motion, thereby providing accurate focusing, zooming or translating objective functions. .
  • the number of the guiding members 50 is one and distributed at one circumference of the lens assembly 20, and in fact, the number of guides may be two or more.
  • the lead member 50 is equiangularly spaced at a plurality of circumferences of the lens assembly 20 to provide a more precise function of focusing, zooming or translating the objective lens.
  • the present invention may also be provided with a plurality of lens assemblies, electromagnetic drive assemblies, and suspensions. Hanging components and guides to form multiples in a single direction in space A lens moving device that moves (such as a lens zoom device) or multiple movable members (such as an anti-shake device).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

La présente invention concerne un module de lentilles à dispositif de suspension de commande parallèle comportant une socle fixe (10); un ensemble de lentilles (20) disposé sur le socle fixe (10); un ensemble électromagnétique (30) comprenant au moins un bloc d'aimants (32), au moins une culasse (31) et une bobine (33). Le bloc d'aimants (32) et la culasse (31) sont disposés sur le socle fixe (10), la bobine (33) est disposée sur la circonférence de l'ensemble de lentilles (20) de sorte que le bloc d'aimants (32), la culasse (31) et la bobine (33) forment un espace de champ magnétique, le courant circulant à travers la bobine (33) entraînant le déplacement parallèle de l'ensemble de lentilles (20), et la direction de déplacement de l'ensemble de lentilles (20) peut être modifiée en changeant la direction du courant; un ensemble de suspension (40) qui est fixé à l'ensemble de lentilles (20) et au socle fixe (10), respectivement; un organe de guidage (50) en contact avec l'ensemble de lentilles (20), permettant de guider la direction de déplacement de l'ensemble de lentilles (20).
PCT/CN2006/003604 2006-02-08 2006-12-26 Module de lentilles à dispositif de suspension de commande parallèle Ceased WO2007090331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610006678.6 2006-02-08
CNA2006100066786A CN101017233A (zh) 2006-02-08 2006-02-08 具有平行驱动悬吊装置的镜头模块

Publications (1)

Publication Number Publication Date
WO2007090331A1 true WO2007090331A1 (fr) 2007-08-16

Family

ID=38344855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/003604 Ceased WO2007090331A1 (fr) 2006-02-08 2006-12-26 Module de lentilles à dispositif de suspension de commande parallèle

Country Status (2)

Country Link
CN (1) CN101017233A (fr)
WO (1) WO2007090331A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11500186B2 (en) * 2018-12-20 2022-11-15 Massachusetts Institute Of Technology Combined microscope objective and microwave wire for optically detected magnetic resonance imaging

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931740B (zh) * 2009-06-19 2012-11-14 台湾东电化股份有限公司 微型镜头驱动装置的透镜结构及其制造方法
US9360653B2 (en) * 2014-05-09 2016-06-07 Lg Innotek Co., Ltd. Lens moving apparatus
KR102296767B1 (ko) 2014-05-09 2021-09-02 엘지이노텍 주식회사 렌즈 구동장치
CN108153094B (zh) * 2016-12-02 2020-12-18 铭异科技股份有限公司 光学致动器的悬吊系统
CN110113522B (zh) * 2019-07-03 2019-11-15 北京小米移动软件有限公司 镜头偏移装置及拍摄设备
TWI718900B (zh) * 2019-09-19 2021-02-11 大陽科技股份有限公司 鏡頭模組與電子裝置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471100A (en) * 1993-03-30 1995-11-28 Sony Corporation Linear electromagnetic driving apparatus and use of same for lens adjustment
US5646789A (en) * 1994-10-31 1997-07-08 Daewoo Electronics Co., Ltd. Objective lens driving apparatus
CN1323437A (zh) * 1998-02-18 2001-11-21 松下电器产业株式会社 物镜驱动装置
US20040021960A1 (en) * 2002-08-02 2004-02-05 Li-Chung Peng Objective lens holding apparatus
CN1667723A (zh) * 2004-03-10 2005-09-14 上海乐金广电电子有限公司 光拾取器驱动装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471100A (en) * 1993-03-30 1995-11-28 Sony Corporation Linear electromagnetic driving apparatus and use of same for lens adjustment
US5646789A (en) * 1994-10-31 1997-07-08 Daewoo Electronics Co., Ltd. Objective lens driving apparatus
CN1323437A (zh) * 1998-02-18 2001-11-21 松下电器产业株式会社 物镜驱动装置
US20040021960A1 (en) * 2002-08-02 2004-02-05 Li-Chung Peng Objective lens holding apparatus
CN1667723A (zh) * 2004-03-10 2005-09-14 上海乐金广电电子有限公司 光拾取器驱动装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11500186B2 (en) * 2018-12-20 2022-11-15 Massachusetts Institute Of Technology Combined microscope objective and microwave wire for optically detected magnetic resonance imaging

Also Published As

Publication number Publication date
CN101017233A (zh) 2007-08-15

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