CN105511046A - Mid-mounted motor - Google Patents
Mid-mounted motor Download PDFInfo
- Publication number
- CN105511046A CN105511046A CN201511006321.3A CN201511006321A CN105511046A CN 105511046 A CN105511046 A CN 105511046A CN 201511006321 A CN201511006321 A CN 201511006321A CN 105511046 A CN105511046 A CN 105511046A
- Authority
- CN
- China
- Prior art keywords
- spring
- clad
- iron
- lens carrier
- base
- 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
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Abstract
The invention discloses a mid-mounted motor which is characterized in that an iron housing has a square housing structure; the middle part of the square housing structure is provided with a lens hole which matches the outer side of a lens carrier; four corners of the square housing structure are internally provided with magnets; an upper spring is arranged between the lens carrier and the iron housing; a lower spring is arranged between the lens carrier and the base; four corners of the base are provided with bosses; a positioning column is arranged on each boss; the lower spring comprises two semi-annular spring wires; one end of each semi-annular spring wire is connected with an angular plate; the middle part of each semi-annular spring wire is also provided with an angular plate; each angular plate is provided with a positioning hole; the lower spring is mounted on the positioning column of the boss on the base through the positioning hole on the angular plate; and the inside of the lower spring is connected with the lens carrier. The mid-mounted motor is advantageous in that the lens carrier is fixed through the upper spring and the lower spring and is sandwiched therebetween; the lens carrier can be vertically moved through current which is input into a control coil; and time in focusing is reduced.
Description
Technical field
The present invention relates to lens driver, be specifically related to a kind of be applied to camera, video camera or on the equipment such as the mobile phone with camera function to drive lens moving thus the mid-motor of focusing.
Background technology
Along with the functional diversities of digital product, be equipped with the digital equipment of video camera or camera, as mobile phone, multimedia player etc., obtain high speed development and widespread use.Above-mentioned video camera or camera, can adopt the camera lens of focus adjustable or auto-focusing usually, and the process regulated is then the position changing camera lens, normally uses CD-ROM drive motor for driving lens moving.Optical zoom driver changes the focal length of lens combination by adjustable lens position, thus reaches the effect of zoom.
Its drive unit of focusing of traditional camera generally includes stepper motor, gear, the component such as cam and connecting rod forms, application number is that the patent application of CN201210402795.X discloses a kind of mechanical hook-up for high-pixel mobile phone lens, include the stationary magazine creel of supporting and location effect, cam canister and first, two, three groups of frames and shell and groups of motors, this groups of motors includes focusing motor and zoom motor, it all belongs to miniature high-precision step motor, stable drive, accurate positioning, can repeatable accuracy high, described first, two groups of frames are arranged in stationary magazine creel, described cam canister is enclosed within stationary magazine creel, described first, the two groups of frames by cam canister and stationary magazine creel spacing and lead, one end of described 3rd group of frames is located in stationary magazine creel, the other end surely stretches out stationary magazine creel and to be connected and by focusing on motor driving with focusing motor, lower movement, described zoom motor drives cam canister to rotate, the rotation of cam canister drives first, the two groups of frames are done relative upper, lower movement.
Described first, along being respectively equipped with first under the frame of two groups of frames, second guide shaft group, first is had at described cam canister inside surface, second zoom curved groove group, the barrel of stationary magazine creel has first, second straight-line groove group, first guide shaft group of described first group of frame 3 enters in the first zoom curved groove group corresponding on cam canister through the first straight-line groove group on stationary magazine creel, second guide shaft group of described second group of frame enters in the second zoom curved groove corresponding on cam canister through the second straight-line groove group on stationary magazine creel, first, second guide shaft group is first, can only go up in second straight-line groove group, lower movement, when cam canister left-right rotation, first, second guide shaft group is first, along with the track of zoom curved groove moves in second zoom curved groove group, and first, under second straight-line groove group effect, first, the two groups of frames are done relative upper, lower movement, realize optical zoom function, the 3rd group of described frames are provided with a pilot hole and a threaded hole, pilot hole is positioned on stationary magazine creel by axle, threaded hole and the screw rod of focusing on motor match, when focusing revolution, under the effect of screw rod, the pilot hole of the 3rd group of frames is positioned on stationary magazine creel 1 by axle, therefore the 3rd group of frames can only do upper and lower movement, realize automatic focusing function.
The outside lower end of described cam canister is provided with gear ring, described zoom motor has also been provided with the gear set of transmission gear shift effect, under making the motor gear be located on zoom motor axle pass through middle transmission gear effect, by the gear ring on driving gear drives cam canister, cam canister is made to rotate and drive first and second group of frames to do relative moving up and down thus, this gear set has high transmission ratio---and ratio of gear is up to 24, and low noise---noise is lower than 40Db, and high-level efficiency---efficiency reaches 96%.First, second zoom wire casing suite of described cam canister includes three equally distributed zoom curved grooves separately, first, second guide shaft group of first and second group of frames, also three equally distributed guide shafts are included separately, each guide shaft enters in corresponding zoom curved groove, form a stable drive, the curvilinear guide system of accurate positioning, when system multisection type optical zoom, ensure that the optical zoom precision of system.
Summary of the invention
The object of this invention is to provide a kind of operation more stable, focusing mid-motor more rapidly.
To achieve these goals, technical scheme of the present invention is: a kind of mid-motor, comprise base, the iron-clad arranged with base engagement, lens carrier is provided with in iron-clad, coil is arranged with outside lens carrier, it is characterized in that iron-clad is square casing structure, the centre of described square casing structure is provided with the lens opening coordinated with lens carrier lateral surface, inside four angles of described square casing structure, magnetite is set, between described lens carrier and iron-clad, spring is set, between lens carrier and base, lower spring is set, four angles of described base arrange boss, boss is provided with reference column, described lower spring comprises two semi-circular shape spring silks, one end of each semi-circular shape spring silk all connects a gusset plate, the other end is then disposed adjacent with the gusset plate of second half annular spring silk one end, two semi-circular shape spring silks are oppositely arranged formation cirque structure, and leave gap between two semi-circular shape spring silks, the middle part of described semi-circular shape spring silk also arranges a gusset plate, each gusset plate arranges pilot hole, lower spring is arranged on the reference column of base boss by the pilot hole on gusset plate, be connected with lens carrier inside lower spring.
According to a preferred embodiment of the invention, described iron-clad comprises end face, four sides be connected with described end face, end face is provided with lens opening, opening is formed between the bottom of four sides of described iron-clad, and junction, described iron-clad two adjacent side bottoms upwards forms recess, the arranged outside flange at described base four angles, the bottom recess of four sides of described iron-clad is shelved on the flange outside base four angles.
According to a preferred embodiment of the invention, arrange spring fastener in described iron-clad, the outside of described upper spring is square structure, and four angles of upper spring are fixed on the spring fastener in iron-clad, the inner side of upper spring is provided with circular hole, and the bottom surface of described upper spring contacts with described lens carrier.
The lens opening place of described iron-clad upwards extends to form the oblique flange extended out.
The principle of optical zoom motor is the principle by faraday's lefft-hand rule, and hot-wire coil produces magnetic field, and produces acting force between the magnetic field of magnetite, completes the promotion to lens carrier.The invention has the advantages that carrier is fixed by upper lower spring, be suspended in centre, lens carrier can be controlled by the electric current passing into control coil and move up and down, reduce focusing time.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the explosion figure of Fig. 1.
Fig. 3 is lower spring and base connection diagram.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is elaborated.
Figure comprises: base 1, lower spring 2, lens carrier 3, coil 4, magnetite 5, upper spring 6, iron-clad 7, boss 8, reference column 9, gusset plate 10, semi-circular shape spring silk 11, pilot hole 12, flange 13.
As depicted in figs. 1 and 2, a kind of mid-motor, comprise base 1, the iron-clad 2 be equipped with base 1, lens carrier 3 is provided with in iron-clad 2, coil 4 is arranged with outside lens carrier 3, it is characterized in that iron-clad 2 is for square casing structure, the centre of described square casing structure is provided with the lens opening coordinated with lens carrier 3 lateral surface, inside four angles of described square casing structure, magnetite 3 is set, between described lens carrier 3 and iron-clad 7, spring 6 is set, lower spring 2 is set between lens carrier 3 and base 1, four angles of described base 1 arrange triangle boss 8, boss 8 is provided with reference column 9, outside reference column 9, boss raises up formation step, described lower spring 2 comprises two semi-circular shape spring silks 11, one end of each semi-circular shape spring silk 11 all connects a gusset plate 10, the other end is then disposed adjacent with the gusset plate 10 of second half annular spring silk 11 one end, two semi-circular shape spring silks 11 are oppositely arranged formation cirque structure, and leave gap between two semi-circular shape spring silks, the middle part of described semi-circular shape spring silk also arranges a gusset plate 10, each gusset plate 10 arranges pilot hole 12, lower spring 2 is arranged on the reference column 9 of base boss 8 by the pilot hole 12 on gusset plate, be arranged in lens carrier inside lower spring.
According to a preferred embodiment of the invention, described iron-clad 2 comprises end face, four sides be connected with described end face, end face is provided with lens opening, opening is formed between the bottom of four sides of described iron-clad 2, and junction, described iron-clad two adjacent side bottoms upwards forms recess, the arranged outside flange 13 at described base four angles, the bottom recess of four sides of described iron-clad is shelved on the flange 13 outside base four angles.
According to a preferred embodiment of the invention, arrange spring fastener in described iron-clad 2, the outside of described upper spring is square structure, and four angles of upper spring 6 are fixed on the spring fastener in iron-clad, the inner side of upper spring 6 is provided with circular hole, and the bottom surface of described upper spring 6 contacts with described lens carrier 3.
Described iron-clad stretches out from lens opening place, and formation is upward extends out flange 14 to what extend out, and anti-interference is stronger.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that the present invention specifically implements to be confined to these explanations above-mentioned.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a mid-motor, comprise base, the iron-clad arranged with base engagement, lens carrier is provided with in iron-clad, coil is arranged with outside lens carrier, it is characterized in that iron-clad is square casing structure, the centre of described square casing structure is provided with the lens opening coordinated with lens carrier lateral surface, inside four angles of described square casing structure, magnetite is set, between described lens carrier and iron-clad, spring is set, between lens carrier and base, lower spring is set, four angles of described base arrange boss, boss is provided with reference column, described lower spring comprises two semi-circular shape spring silks, one end of each semi-circular shape spring silk all connects a gusset plate, the other end is then disposed adjacent with the gusset plate of second half annular spring silk one end, two semi-circular shape spring silks are oppositely arranged formation cirque structure, and leave gap between two semi-circular shape spring silks, the middle part of described semi-circular shape spring silk also arranges a gusset plate, each gusset plate arranges pilot hole, lower spring is arranged on the reference column of base boss by the pilot hole on gusset plate, be connected with lens carrier inside lower spring.
2. by mid-motor according to claim 1, it is characterized in that: described iron-clad comprises end face, four sides be connected with described end face, end face is provided with lens opening, opening is formed between the bottom of four sides of described iron-clad, and junction, described iron-clad two adjacent side bottoms upwards forms recess, the arranged outside flange at described base four angles, the bottom recess of four sides of described iron-clad is shelved on the flange outside base four angles.
3. by mid-motor according to claim 2, it is characterized in that: spring fastener is set in described iron-clad, the outside of described upper spring is square structure, four angles of upper spring are fixed on the spring fastener in iron-clad, the inner side of upper spring is provided with circular hole, and the bottom surface of described upper spring contacts with described lens carrier.
4. by mid-motor according to claim 3, it is characterized in that: described iron-clad stretches out from lens opening place, and formation is upward extends out flange to what extend out.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006321.3A CN105511046A (en) | 2015-12-29 | 2015-12-29 | Mid-mounted motor |
| PCT/CN2016/079389 WO2017113547A1 (en) | 2015-12-29 | 2016-04-15 | Mid-motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006321.3A CN105511046A (en) | 2015-12-29 | 2015-12-29 | Mid-mounted motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105511046A true CN105511046A (en) | 2016-04-20 |
Family
ID=55719149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511006321.3A Pending CN105511046A (en) | 2015-12-29 | 2015-12-29 | Mid-mounted motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105511046A (en) |
| WO (1) | WO2017113547A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736625A (en) * | 2018-08-13 | 2018-11-02 | 包头江馨微电机科技有限公司 | A kind of closed loop motor Steady base component |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117375356A (en) * | 2022-07-01 | 2024-01-09 | 华为技术有限公司 | Motor, camera module and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009237192A (en) * | 2008-03-27 | 2009-10-15 | Nidec Sankyo Corp | Lens driving device |
| CN102135656A (en) * | 2010-01-26 | 2011-07-27 | 日本电产三协株式会社 | Lens driving device |
| CN202758123U (en) * | 2012-07-12 | 2013-02-27 | 瑞声声学科技(苏州)有限公司 | Lens driving device |
| CN203941334U (en) * | 2014-05-29 | 2014-11-12 | 厦门新鸿洲精密科技有限公司 | Mid-voice coil motor structure |
| CN204903844U (en) * | 2015-08-18 | 2015-12-23 | 河南省皓泽电子有限公司 | Put lens drive arrangement in voice coil motor |
| CN205353440U (en) * | 2015-12-29 | 2016-06-29 | 上海比路电子有限公司 | In put motor |
-
2015
- 2015-12-29 CN CN201511006321.3A patent/CN105511046A/en active Pending
-
2016
- 2016-04-15 WO PCT/CN2016/079389 patent/WO2017113547A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009237192A (en) * | 2008-03-27 | 2009-10-15 | Nidec Sankyo Corp | Lens driving device |
| CN102135656A (en) * | 2010-01-26 | 2011-07-27 | 日本电产三协株式会社 | Lens driving device |
| CN202758123U (en) * | 2012-07-12 | 2013-02-27 | 瑞声声学科技(苏州)有限公司 | Lens driving device |
| CN203941334U (en) * | 2014-05-29 | 2014-11-12 | 厦门新鸿洲精密科技有限公司 | Mid-voice coil motor structure |
| CN204903844U (en) * | 2015-08-18 | 2015-12-23 | 河南省皓泽电子有限公司 | Put lens drive arrangement in voice coil motor |
| CN205353440U (en) * | 2015-12-29 | 2016-06-29 | 上海比路电子有限公司 | In put motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736625A (en) * | 2018-08-13 | 2018-11-02 | 包头江馨微电机科技有限公司 | A kind of closed loop motor Steady base component |
| CN108736625B (en) * | 2018-08-13 | 2024-03-29 | 包头江馨微电机科技有限公司 | Stable base assembly for closed-loop motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017113547A1 (en) | 2017-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Tianchen road Qingpu Industrial Park Qingpu District of Shanghai City, No. 2009, 201799 Applicant after: Cyprus Shanghai electronic Limited by Share Ltd Address before: 201706 Shanghai city Qingpu district Song Ying Songze Avenue Road No. 6658 Applicant before: Shanghai Bilu Electronic Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |
|
| RJ01 | Rejection of invention patent application after publication |