CN103529534A - Optical lens assembly - Google Patents
Optical lens assembly Download PDFInfo
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- CN103529534A CN103529534A CN201210223687.6A CN201210223687A CN103529534A CN 103529534 A CN103529534 A CN 103529534A CN 201210223687 A CN201210223687 A CN 201210223687A CN 103529534 A CN103529534 A CN 103529534A
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- mirror group
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Abstract
The present invention discloses an optical lens assembly which comprises a fixed cylinder, at least one lens set frame and a driving module; wherein, the lens set frame is provided with at least one lens. Furthermore the lens set frame can be arranged in the fixed cylinder in a manner of reciprocating in the fixed cylinder. The driving module is provided with a fixed coil and at least one displacement coil. The fixed coil is arranged on the fixed cylinder. The displacement coil is arranged on the lens set frame. Therefore, when the driving module is electrified for supplying electric power to the fixed coil and the displacement coil, the fixed coil and the displacement coil respectively generate a magnetic field, thereby driving the lens set frame to move through magnetic force function.
Description
Technical field
The invention belongs to optical devices technical field, be specifically related to a kind of optical lens assembly.
Background technology
Along with science and technology is constantly progressive, such as digital camera or the image capture units such as mobile phone, electronic game Game device, PDA with camera function, at universalness day by day on the market, it has become the popular portable tool that is used for recording things in daily life or work with clapping facilitating functions of seeing.
Refer to Fig. 1, conventional optical lens assembly comprises a stationary magazine creel 60 and a mirror group frame 62 that can move back and forth in this stationary magazine creel 60, wherein on this stationary magazine creel 60, be provided with one group of coil 70, on this mirror group frame 62, be provided with one group of magnet 72, accordingly, just can, by coil 70 energisings are produced to magnetic field, make this magnet 72 be subject to magneticaction and drive this mirror group frame 62 to move to reach the object of focusing.
Yet, the driving design of using for above-mentioned conventional optical lens assembly, if be divided into different mirror group frame (as focusing mirror group's frame and varifocal mirror group frame) when upper by organizing magnet more, each mirror group frame will be affected by magnetic force and permanent mutual exclusion or mutually suction, and this will make this optical lens assembly cannot reach exactly the object of focusing or zoom.Therefore, conventional optical lens assembly in design moving lens group frame only can reach the effect of focusing, then by the mode of digital zoom, reaches the object of zoom.And well known be, because the optical lens assembly that uses digital zoom is when the zoom, its real focal length does not change, and be only, by software program, picture is carried out to the effect that convergent-divergent reaches similar zoom, so digital zoom is limited to the picture element of optical lens assembly and causes its image quality poor.
In addition, in the assembling process of image capture unit, conventionally can connect inner electronic component by reflow (reflow).Yet, environment temperature in reflow process is generally the high temperature of hundreds of degree, under this high temperature, the magnet 72 being arranged on this mirror group frame 62 easily has the situation of demagnetization to occur, this not only can cause image capture unit fabrication yield to decline, the mobile range that more can have influence on optical lens assembly focusing changes, and causes optical lens assembly cannot reach the effect of accurate focusing.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of optical lens assembly, not only high temperature resistant, and it is moving to drive many arrangements of mirrors group to frame shift.
For reaching above-mentioned purpose, optical lens assembly provided by the present invention comprises a stationary magazine creel, at least one mirror group frame and a driver module, wherein, this mirror group frame is provided with at least a slice eyeglass, and this mirror group frame is located in this stationary magazine creel in the mode that can move back and forth in this stationary magazine creel; This driver module has a fixed coil and at least one displacement coil; This fixed coil is located on this stationary magazine creel; This displacement coil is located on this mirror group frame.
Accordingly, when the energising of this driver module is when providing electric energy to respectively this fixed coil and this displacement coil, this fixed coil and this displacement coil will produce respectively magnetic field, moving to drive this mirror group to frame shift by magneticaction.
According to above-mentioned design, this optical lens assembly comprises two mirror group frames, is respectively focusing mirror group's frame and a varifocal mirror group frame; This driver module comprises two displacement coils, is respectively and is located at the focusing displacement line circle of one on this focusing mirror group frame and is located at the zoom displacement coil on this varifocal mirror group frame; In addition, after this driver module energising, this focusing mirror group's frame and this varifocal mirror group frame are subject to magneticaction respectively and move in this stationary magazine creel with different mobile ranges.
According to above-mentioned design, this driver module also comprises one group of shell fragment, and it is pressed on this mirror group frame, in order to apply an elastic force to this mirror group frame, and this elastic force in the direction opposite this mirror group frame, be subject to mobile direction after magneticaction.
According to above-mentioned design, this group shell fragment is made with conductive material, and is electrically connected with this displacement coil, and this driver module is given this displacement coil power supply by this group shell fragment.
According to above-mentioned design, this driver module also comprises at least one group of electric power conductor, and it is telescopic structure and is electrically connected with this displacement coil.
According to above-mentioned design, the magnetic field mutual exclusion that this fixed coil and this displacement coil produce.
Accordingly, by above-mentioned design, the drives structure of optical lens assembly of the present invention not only can be high temperature resistant, also do not have the doubt of demagnetization, and it is moving to drive many arrangements of mirrors group to frame shift.
Accompanying drawing explanation
Fig. 1 is the structural drawing of conventional optical lens assembly.
Fig. 2 is the structural drawing of the optical lens assembly of first embodiment of the invention.
Fig. 3 is the structural drawing of the optical lens assembly of second embodiment of the invention.
Fig. 4 utilizes shell fragment and coil to be electrically connected to reach the schematic diagram of power supply object.
[main element symbol description]
10 stationary magazine creels
12 mirror group frames
20 fixed coils
22 displacement coils
24 groups of shell fragments
26,28 electric power conductors
30 stationary magazine creels
32 focusing mirror group frames
34 varifocal mirror group frames
40 fixed coils
41 focusing displacement coils
42 zoom displacement coils
43 first shell fragments
44 second shell fragments
45～47 electric power conductors
50 shell fragments
52 displacement coils
60 stationary magazine creels
62 mirror group frames
70 coils
72 magnet
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in further detail.
Refer to Fig. 2, the optical lens assembly 1 of first preferred embodiment of the invention comprises a stationary magazine creel 10, a mirror group frame 15 and a driver module, wherein:
In this stationary magazine creel 10, be provided with several pieces eyeglasses.
In this mirror group frame 12, be provided with several pieces eyeglasses, and this mirror group frame 12 is located in this stationary magazine creel 10 in the mode that can move back and forth in this stationary magazine creel 10.
This driver module comprises a fixed coil 20, a displacement coil 22, one group of shell fragment 24 and two groups of electric power conductors 26,28, and wherein, this fixed coil 20 is set around on this stationary magazine creel 10.This displacement coil 22 is set around on this mirror group frame 12, and can with this mirror group frame 12 synchronizing movings.This group shell fragment 24 is pressed on this mirror group frame 12, in order to apply an elastic force so that this mirror group frame 12 is fixed in this stationary magazine creel 10 to this mirror group frame 12.This electric power conductor 26 is electrically connected with this fixed coil 20, and this electric power conductor 28 is the Collapsible structure of spiral and is electrically connected with this displacement coil 22.
Accordingly, when this optical lens assembly focusing, just by this driver module energising, and provide respectively electric energy to this fixed coil 20 and this displacement coil 22 by this electric power conductor 26 and this electric power conductor 28, now, this fixed coil 20 will produce magnetic field respectively and repel each other with this displacement coil 22, and then drives this mirror group frame 15 to move toward the direction in contrast to this elastic force the object that reaches focusing by magneticaction.In addition, the design of these electric power conductor 28 Collapsible structures, in the time of can making this mirror group frame 12 move, this electric power conductor can be avoided the situation of being stretched fracture because drawing.Moreover described coil 20,22 does not have magnetic force before energising, and does not worry that the situation that has demagnetization in the hot environment of reflow process occurs.
Refer to Fig. 3, the optical lens assembly of second preferred embodiment of the invention comprises a stationary magazine creel 30, a focusing mirror group frame 32, a varifocal mirror group frame 34 and a driver module, wherein:
In this stationary magazine creel 30, this focusing mirror group frame 32 and this varifocal mirror group frame 34, be respectively equipped with several pieces eyeglasses.This focusing mirror group frame 32 and this varifocal mirror group frame 34 are all that the mode moving back and forth in this stationary magazine creel 30 is located in this stationary magazine creel 30, and this varifocal mirror group frame 34 eyeglass that this focusing mirror group frame 32 approaches in this stationary magazine creel 30.
This driver module comprises a fixed coil 40, a focusing displacement line circle 41, a zoom displacement coil 42, one group of first shell fragment 43, one group of second shell fragment 44 and three groups of electric power conductors 45～47, and wherein, this fixed coil 40 is set around on this stationary magazine creel 30.This focusing displacement coil 41 is set around on this focusing mirror group frame 32, and can with these mirror group frame 32 synchronizing movings of focusing.And this zoom displacement coil 42 is set around on this varifocal mirror group frame 34, and can with this varifocal mirror group frame 34 synchronizing movings.This is organized the first shell fragment 43 and is pressed on this focusing mirror group frame 32, and this is organized the second shell fragment 44 and is pressed on this varifocal mirror group frame 34.This electric power conductor 45 is electrically connected with this fixed coil 40, and this electric power conductor 46 is designed to be the Collapsible structure of sawtooth pattern with this electric power conductor 47, and is electrically connected with this focusing displacement coil 41 and this zoom displacement coil 42 respectively.
Accordingly, when this driver module energising, just by described electric power conductor 45～47, respectively electric energy is offered to this fixed coil 40, this focusing displacement coil 41 and this zoom displacement coil 42, now, this focusing displacement coil 41 is subject to respectively magneticaction with this zoom coil 42, and drive this focusing mirror group frame 32 and this varifocal mirror group frame 34 to move in this stationary magazine creel 30 with different mobile ranges, and then reach the object of focusing and zoom.In addition, can offer by change the size of the electric energy of this focusing displacement coil 41 and this zoom coil 42, change its interactive magneticaction each other, to reach the effect that changes exactly its mobile range, and can make this optical lens assembly can be more accurate at focusing and zoom, and then reach better optical property.
In addition, refer to Fig. 4, under some design conditions, also shell fragment 50 can be made with conductive material, and shell fragment 50 and displacement coil 52 are electrically connected, just can directly by this group shell fragment 50, provide electric energy to displacement coil 52, and the design that can omit electric power conductor, and can reduce further more required space, and can reach the object of miniaturization.
The foregoing is only the preferred possible embodiments of the present invention, but the present invention is not as limit, except the displacement coil with a group or two groups reaches the object of focusing and zoom, when Optical System Design needs, also can reach identical object with more than three groups displacement coils.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. an optical lens assembly, comprising:
One stationary magazine creel;
At least one mirror group frame, is provided with at least a slice eyeglass, and this mirror group frame is located in this stationary magazine creel in the mode that can move back and forth in this stationary magazine creel;
One driver module, has a fixed coil and at least one displacement coil; This fixed coil is located on this stationary magazine creel; This displacement coil is located on this mirror group frame;
Accordingly, when the energising of this driver module is when providing electric energy to respectively this fixed coil and this displacement coil, this fixed coil and this displacement coil will produce respectively magnetic field, moving to drive this mirror group to frame shift by magneticaction.
2. optical lens assembly as claimed in claim 1, this driver module also comprises at least one group of electric power conductor, it is telescopic structure and is electrically connected with this displacement coil.
3. optical lens assembly as claimed in claim 1, this driver module also comprises one group of shell fragment, it is pressed on this mirror group frame, in order to bestow this mirror group frame one elastic force, and this elastic force in the direction opposite this mirror group frame, be subject to mobile direction after magneticaction.
4. optical lens assembly as claimed in claim 3, this group shell fragment is made with conductive material, and is electrically connected with this displacement coil, and this driver module is given this displacement coil power supply by this group shell fragment.
5. optical lens assembly as claimed in claim 1, the magnetic field mutual exclusion that this fixed coil and this displacement coil produce.
6. optical lens assembly as claimed in claim 1, comprises two mirror group frames, is respectively focusing mirror group's frame and a varifocal mirror group frame; This driver module comprises two displacement coils, is respectively and is located at the focusing displacement line circle of one on this focusing mirror group frame and is located at the zoom displacement coil on this varifocal mirror group frame; In addition, after this driver module energising, this focusing mirror group's frame and this varifocal mirror group frame are subject to magneticaction respectively and move in this stationary magazine creel with different mobile ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210223687.6A CN103529534A (en) | 2012-07-02 | 2012-07-02 | Optical lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210223687.6A CN103529534A (en) | 2012-07-02 | 2012-07-02 | Optical lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103529534A true CN103529534A (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210223687.6A Pending CN103529534A (en) | 2012-07-02 | 2012-07-02 | Optical lens assembly |
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| CN (1) | CN103529534A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252028A (en) * | 2014-10-22 | 2014-12-31 | 中山联合光电科技有限公司 | Zoom lens adjusting device |
| CN104849831A (en) * | 2015-04-27 | 2015-08-19 | 台湾东电化股份有限公司 | Lens driving device with line groove structure |
| WO2015180121A1 (en) * | 2014-05-30 | 2015-12-03 | 博立多媒体控股有限公司 | Zoom lens |
| CN108833745A (en) * | 2018-05-28 | 2018-11-16 | 信利光电股份有限公司 | A kind of camera accessory and mobile communications device with zoom function |
| WO2020073736A1 (en) * | 2018-10-10 | 2020-04-16 | 宁波舜宇光电信息有限公司 | Optical zoom camera module and assembling method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933998A (en) * | 1995-07-20 | 1997-02-07 | Olympus Optical Co Ltd | Image pickup device |
| TWM339001U (en) * | 2008-01-21 | 2008-08-21 | E Pin Optical Industry Co Ltd | Lens displacement mechanism by using dual coils |
| CN101566714A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN101726826A (en) * | 2008-10-17 | 2010-06-09 | 三美电机株式会社 | Lens driving unit |
-
2012
- 2012-07-02 CN CN201210223687.6A patent/CN103529534A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933998A (en) * | 1995-07-20 | 1997-02-07 | Olympus Optical Co Ltd | Image pickup device |
| TWM339001U (en) * | 2008-01-21 | 2008-08-21 | E Pin Optical Industry Co Ltd | Lens displacement mechanism by using dual coils |
| CN101566714A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN101726826A (en) * | 2008-10-17 | 2010-06-09 | 三美电机株式会社 | Lens driving unit |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180121A1 (en) * | 2014-05-30 | 2015-12-03 | 博立多媒体控股有限公司 | Zoom lens |
| US9739982B2 (en) | 2014-05-30 | 2017-08-22 | Bolymedia Holdings Co. Ltd. | Zoom lens |
| CN104252028A (en) * | 2014-10-22 | 2014-12-31 | 中山联合光电科技有限公司 | Zoom lens adjusting device |
| CN104849831A (en) * | 2015-04-27 | 2015-08-19 | 台湾东电化股份有限公司 | Lens driving device with line groove structure |
| CN104849831B (en) * | 2015-04-27 | 2017-11-24 | 台湾东电化股份有限公司 | Lens driving device with line groove structure |
| CN108833745A (en) * | 2018-05-28 | 2018-11-16 | 信利光电股份有限公司 | A kind of camera accessory and mobile communications device with zoom function |
| WO2020073736A1 (en) * | 2018-10-10 | 2020-04-16 | 宁波舜宇光电信息有限公司 | Optical zoom camera module and assembling method therefor |
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| PB01 | Publication | ||
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Application publication date: 20140122 |