CN201166726Y - Pick-up head die set capable of automatically focusing - Google Patents
Pick-up head die set capable of automatically focusing Download PDFInfo
- Publication number
- CN201166726Y CN201166726Y CNU2007201712047U CN200720171204U CN201166726Y CN 201166726 Y CN201166726 Y CN 201166726Y CN U2007201712047 U CNU2007201712047 U CN U2007201712047U CN 200720171204 U CN200720171204 U CN 200720171204U CN 201166726 Y CN201166726 Y CN 201166726Y
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- magnetic element
- automatic focusing
- camera module
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Abstract
The utility model belongs to the technical field of the pickup device, and particularly relates to a pick-up head module capable of automatic focusing. The pick-up head module comprises a base assembly, a lens amounting assembly and an electromagnetic driving device. The base assembly includes a hollow casing, and a base disposed below the casing. The electromagnetic driving device is accommodated in the space formed between the base and the casing interior, and includes a coil, a vertically telescopic flexible element and a magnetic element. The coil is disposed on the base. The magnetic element is disposed above the coil. The lens amounting assembly includes a lens base capable of extending out of the upper end surface of the casing, and the lens base is disposed above the magnetic element. The flexible element is disposed between the coil and the magnetic element. By adopting the structure, a reversed space is obviated, the structure of the magnetic element is simplified, and the height of the pick-up head module is also effectively reduced.
Description
Technical field
The utility model belongs to the picture pick-up device technical field, but relates in particular to a kind of camera module of automatic focusing.
Background technology
Along with the continuous development of technology, the shooting product has become the known articles for daily use of people, and has progressively applied in the small-sized communication equipment such as mobile phone.In picture pick-up device, the camera module is one of most important parts, and traditional camera module is at when image picked-up fixed focal lengths or manual focusings of adopting more, and more or less meeting brought some inconvenience when these products used.
In recent years, also there is portioned product to begin to adopt technology of auto.The words of distinguishing from the structure angle, but the camera module of the automatic focusing that these products adopt probably is divided into two kinds: a kind of is with coil and magnetic element ring by ring cover, up or/and flexible member is mixed in the bottom, this kind structure is fit to the application of large scale automatic focusing module again; Another kind is that coil and magnetic element are gathered into folds, and flexible member is placed on top or lowermost end, and this kind structure is fit to the application of small size module.
But accompanying drawing 1 discloses a kind of camera module of automatic focusing, and it comprises coil 41, magnetic element 42, shell fragment 43, lens mount 44, base 46 and shell 45.Shell 45 is arranged on base 46 tops, and lens mount 44 is provided with shell 45 inside, and the outer face of extended this shell 45.Coil 41 is fixed on the base 46, and the top of magnetic element 42 is fixed on the lens mount 44, and the bottom then contacts with the top of coil 41.Shell fragment 43 places between magnetic element 42 and the lens mount 44, and this shell fragment 43 comprises inner ring and outer ring, and wherein, inner ring is fixed on the lens mount 44, and the outer ring then is fixed on the shell 45, leaves apart from S at magnetic element 42 and lens mount 44.During work, energising produces electromagnetic forces and magnetic element 42 the moving up and down of driving lens mounts 44 that interact and realizes the purpose of focusing to coil 41.
In this product, shell fragment 43 is placed between magnetic element 42 and the lens mount 44, during work, magnetic element 42 need move up and down with lens mount 44, and spacing between the two is constant, and shell fragment 43 is when motion, its inner ring and outer ring can produce the drop of certain distance, so, on the camera lens moving direction, reserve certain space (referring to Fig. 1), guarantee that flexible member can not be interfered when work with regard to the necessary flexible member of giving.Owing to reserved certain spatial altitude, just must cause the module height to be difficult to lower, cause automatic focusing complex structure, size bigger than normal, especially when this product applied in this product very narrow and small to the space of mobile phone, problem was more outstanding.
The utility model content
But technical problem to be solved in the utility model provides a kind of camera module of automatic focusing, and is simple in structure, and effectively reduced the height of pick-up lens module.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:
But provide a kind of camera module of automatic focusing, it comprises base assembly, camera lens installation component and electromagnetic actuator device, wherein, base assembly comprises the shell and the base of hollow, this base is arranged on the below of shell, electromagnetic actuator device all is placed in the space of described base and enclosure formation, this electromagnetic actuator device comprises coil, the flexible member and the magnetic element that can stretch up and down, coil is arranged on the base, magnetic element is arranged on the top of coil, the camera lens installation component comprises the lens mount of extended shell upper surface, and this lens mount is arranged on the top of magnetic element, and described flexible member is arranged between coil and the magnetic element.
Adopt after such structure, flexible member has been placed on the centre of coil and magnetic element, when magnetic element promotion lens mount moves, coil is fixed on the pedestal motionless, and coil separates the space that produces and is enough to solve the problem that the flexible member Internal and external cycle produces drop with magnetic element so.Compared with prior art, save headspace, not only simplified the structure of magnetic element, also effectively reduced the height of pick-up lens module.
Description of drawings
Fig. 1 is the structural representation of original state of the pick-up lens module of a kind of automatic focusing of providing of prior art;
Fig. 2 is the structural representation of the original state of the preferred embodiment that provides of the utility model;
Fig. 3 is the structural representation that lens mount stretches out upper end shelly attitude among Fig. 2;
Fig. 4 is the decomposition texture synoptic diagram of Fig. 2;
Fig. 5 is the partial structurtes synoptic diagram of the preferred embodiment that provides of the utility model;
Fig. 6 is the assembling synoptic diagram of electromagnetic actuator device and base in the preferred embodiment that provides of the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
To a preferred embodiment shown in Figure 6, it comprises base assembly, camera lens installation component and electromagnetic actuator device as Fig. 2.
Base assembly comprises the shell and the base 11 of hollow, and this base 11 is arranged on the below of shell, and electromagnetic actuator device all is placed in the space of described base 11 and enclosure formation.This electromagnetic actuator device comprises coil 31, the flexible member 32 that can stretch up and down and magnetic element 33, and coil 31 is arranged on the base 11, and magnetic element 33 is arranged on the top of coil 31.The camera lens installation component comprises the lens mount 21 of extended shell upper surface, and this lens mount 21 is arranged on the top of magnetic element 33, and flexible member 32 is arranged between coil 31 and the magnetic element 33.During concrete enforcement, a coil containing cavity 113 and lead standing groove 111 can be set on the base 11, aforementioned coil 31 can be fixed in this coil containing cavity 113, and lead standing groove 111 can be accommodated the lead that is used for to coil 31 energisings; Magnetic element 33 can adopt the element that self has magnetic, is preferably a permanent magnet; Coil 31 must adopt coil 31 structures that can produce electromagnetic force in the energising back, as copper coil.
Further improvement as the aforementioned techniques scheme, aforesaid electromagnetic actuator device also can comprise an iron core 34, referring to Fig. 2 and shown in Figure 3, this iron core 34 is located in magnetic element 33, flexible member 32 and the coil 31, and its two ends are separately fixed on described base 11 and the lens mount 21.Concrete, referring to shown in Figure 4, iron core 34 is one columnar structured, and its material can select that prior art provides is magnetized and the easy various materials of demagnetization easily, is preferably fe-Ni soft magnetic alloy (permalloy).Like this, when work, iron core 34 will be magnetized by magnetic element 33, and both cooperations can be so that the magnetic force transmission becomes more effective.
The product that flexible member 32 can adopt prior art to provide, promptly self has elasticity, disobeys the element of the characteristic that outer power just can resile after shape changes, as spring etc.In the present embodiment, flexible member 32 comprises inner ring 322 and outer ring 323, and inner ring 322 is fixed on the iron core 34, and 323 of outer rings are fixed on the base 11.When repelling each other when producing thrust in coil 31 and magnetic element 33 magnetic fields, because coil 31 is fixed on the base 11, the inner ring 322 that magnetic element 33 and iron core 34 will drive flexible member 32 move up (referring to Fig. 3).Concrete, corner is provided with four pilot holes 321 around the flexible member 32, then be provided with corresponding spacer 112 on the base 11, flexible member 32 cooperates fixing with base 11 by these four pilot holes 321 and reference column 112, the inner ring 322 of flexible member 32 is provided with a through hole 324, and flexible member 32 is by these through hole 324 suits and be fixed on the iron core 34.
Concrete, aforementioned shell can comprise end housing 13 and middle case 12, and end housing 13 is arranged on middle case 12 tops on this, and lens mount 21 is arranged on end housing 13 inside on this.When work, lens mount 21 can stretch out end housing 13 under the promotion of magnetic element 33.As the further improvement of aforementioned techniques scheme, the camera lens installation component also can comprise a dustproof shell 22, the be sticked inside surface of on described end housing 13 of this dustproof shell 22, and lens mount 21 is arranged in this dustproof shell 22, and dustproof shell 22 can play the dustproof effect like this.Further, aforementioned upper end cover is a square structure, and an end face has square shrinkage pool, and be provided with consistent reach through hole in the centre, on shrinkage pool, be provided with location structure, be convenient to cooperate fixing, be provided with the technology groove that cooperates with middle case 12 in the upper surface of shrinkage pool one side with dustproof shell 22; Middle case 12 is a square hollow structure, in the lead standing groove 111 corresponding sides with aforementioned base 11 wire-protecting plate 121 is arranged.
See also Fig. 4, the lateral surface of lens mount 21 is provided with orienting lug 211, and the medial surface of dustproof shell 22 is provided with the guide wall 221 that is complementary with aforementioned orienting lug 211.Like this, when the thrust that is produced when coil 31, iron core 34 and magnetic element 33 and the elastic force acting in conjunction of flexible member 32, lens mount 21 moves up and down in last end housing 13, orienting lug 211 on the lens mount 21 will cooperatively interact with the guide wall 221 of dustproof shell 22 inboards and play guide effect, effectively avoided being assemblied in camera lens on the lens mount 21 and in moving process, produced eccentric and vibration, improved the accuracy of focusing with the photoreceptor of camera.Concrete, the lens mount 21 in this enforcement is a ladder annular shape, and aforementioned orienting lug 211 is arranged on its maximum gauge annular place, and lens mount 21 inwalls then are female thread structure.
The course of work of present embodiment is: after coil 31 is passing through the hardboard circuit supply, the elastic force that the thrust that produced and flexible member 32 are produced repels each other in the magnetic field that magnetic field that produces and magnetic element 33 are produced, can promote moving of magnetic element 33 and lens mount 21 (camera lens is assemblied on this lens mount 21), and can be by the electric current of regulating winding 31 and the size of voltage, realize the displacement of controls lens seat 21, and be located in the suitable position of focal length, simultaneously, when magnetic element 33 and lens mount 21 move, guide plate 211 on the lens mount 21 and the guide wall on the dustproof shell 22 221 play guide effect with cooperation, have avoided lens mount 21 to produce eccentric in moving process and vibration.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1, but a kind of camera module of automatic focusing, it comprises base assembly, camera lens installation component and electromagnetic actuator device, wherein, base assembly comprises the shell and the base of hollow, this base is arranged on the below of shell, electromagnetic actuator device all is placed in the space of described base and enclosure formation, this electromagnetic actuator device comprises coil, the flexible member and the magnetic element that can stretch up and down, coil is arranged on the base, magnetic element is arranged on the top of coil, the camera lens installation component comprises the lens mount of extended shell upper surface, and this lens mount is arranged on the top of magnetic element, it is characterized in that: described flexible member is arranged between coil and the magnetic element.
But 2, the camera module of automatic focusing according to claim 1, it is characterized in that: described electromagnetic actuator device also comprises iron core, this iron core is located in described magnetic element, flexible member and the coil, and its two ends are separately fixed on described base and the lens mount.
But 3, the camera module of automatic focusing according to claim 2, it is characterized in that: described flexible member comprises inner ring and outer ring, and described inner ring is fixed on the described iron core, and described outer ring then is fixed on the described base.
But 4, the camera module of automatic focusing according to claim 1, it is characterized in that: described shell comprises end housing and middle case, and end housing is arranged on middle case top on this, and described lens mount is arranged on end housing inside on this.
But 5, the camera module of automatic focusing according to claim 4 is characterized in that: also comprise a dustproof shell at described camera lens installation component, and the be sticked inside surface of on described end housing of this dustproof shell, described lens mount is arranged in this dustproof shell.
But 6, the camera module of automatic focusing according to claim 5, it is characterized in that: the lateral surface of described lens mount is provided with orienting lug, and the medial surface of described dustproof shell is provided with the guide wall that is complementary with aforementioned orienting lug.
But 7, the camera module of automatic focusing according to claim 1 is characterized in that: described base is provided with a coil containing cavity, and described coil is arranged in this coil containing cavity.
But 8, according to the camera module of the described automatic focusing of arbitrary claim in the claim 1 to 7, it is characterized in that: described magnetic element is a permanent magnet.
But 9, the camera module of automatic focusing according to claim 2, it is characterized in that: the material that described iron core adopted is a fe-Ni soft magnetic alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201712047U CN201166726Y (en) | 2007-11-27 | 2007-11-27 | Pick-up head die set capable of automatically focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201712047U CN201166726Y (en) | 2007-11-27 | 2007-11-27 | Pick-up head die set capable of automatically focusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166726Y true CN201166726Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201712047U Expired - Lifetime CN201166726Y (en) | 2007-11-27 | 2007-11-27 | Pick-up head die set capable of automatically focusing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166726Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770063B (en) * | 2009-01-07 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Focusing module and manufacturing method thereof |
| CN105721755A (en) * | 2016-04-01 | 2016-06-29 | 信利光电股份有限公司 | Camera module motor, camera module and electronic device |
| CN105744125A (en) * | 2014-12-24 | 2016-07-06 | Lg伊诺特有限公司 | Camera module |
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
| CN107976858A (en) * | 2018-01-11 | 2018-05-01 | 宁波维森智能传感技术有限公司 | A kind of shell and bearing and component for camera module |
| CN112754407A (en) * | 2020-12-30 | 2021-05-07 | 南京齿贝犀科技有限公司 | Microspur shooting device based on miniature anti-shake cloud platform |
-
2007
- 2007-11-27 CN CNU2007201712047U patent/CN201166726Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770063B (en) * | 2009-01-07 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Focusing module and manufacturing method thereof |
| CN105744125A (en) * | 2014-12-24 | 2016-07-06 | Lg伊诺特有限公司 | Camera module |
| CN105744125B (en) * | 2014-12-24 | 2020-06-26 | Lg伊诺特有限公司 | Camera module |
| US11381724B2 (en) | 2014-12-24 | 2022-07-05 | Lg Innotek Co., Ltd. | Camera module |
| CN105721755A (en) * | 2016-04-01 | 2016-06-29 | 信利光电股份有限公司 | Camera module motor, camera module and electronic device |
| CN105721755B (en) * | 2016-04-01 | 2018-09-07 | 信利光电股份有限公司 | A kind of camera module motor, camera module and electronic equipment |
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
| CN107976858A (en) * | 2018-01-11 | 2018-05-01 | 宁波维森智能传感技术有限公司 | A kind of shell and bearing and component for camera module |
| CN112754407A (en) * | 2020-12-30 | 2021-05-07 | 南京齿贝犀科技有限公司 | Microspur shooting device based on miniature anti-shake cloud platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081217 |