CN114173039B - Driving device, camera module and electronic equipment - Google Patents
Driving device, camera module and electronic equipment Download PDFInfo
- Publication number
- CN114173039B CN114173039B CN202111466815.5A CN202111466815A CN114173039B CN 114173039 B CN114173039 B CN 114173039B CN 202111466815 A CN202111466815 A CN 202111466815A CN 114173039 B CN114173039 B CN 114173039B
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- China
- Prior art keywords
- circuit board
- hall element
- printed
- driving device
- mounting groove
- 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.)
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Links
- 238000009434 installation Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a driving device, a camera module and electronic equipment, wherein the driving device comprises at least two Hall elements and at least two printed coils, and further comprises a carrier and a circuit board with a hollowed middle part, wherein the carrier is arranged on one side of the circuit board, the Hall elements and the printed coils are arranged on the same side of the circuit board and face to the carrier, one Hall element and one printed coil are arranged in a group and adjacently, and each group of Hall elements and printed coils are arranged on two adjacent sides of the circuit board. During the use, because set up hall element and printed coil in same one side and all set up towards the direction of carrier for the magnetic field area that printed coil produced can not take place to overlap with the induction area that hall element produced, thereby avoided the magnetic field that printed coil produced to produce the interference to hall element's response, and then promoted the precision of this drive arrangement autofocus, and promoted user's use experience.
Description
Technical Field
The present invention relates to the field of camera driving technologies, and in particular, to a driving device, a camera module, and an electronic device.
Background
With the progress of technology and the rapid development of productivity, electronic devices such as mobile phones, computers, video cameras, cameras and the like have been popularized in people's lives and greatly facilitate people's lives.
The electronic equipment is provided with a camera module so as to have a shooting or photographing function, and the driving device is one of important parts and is used for realizing an automatic focusing function so as to improve the photographing or photographing quality.
However, in the use process of the existing driving device, the magnetic field generated by the printed coil inside the driving device can interfere with the induction of the hall element, so that the accuracy of automatic focusing can be reduced, and the use experience of a user is reduced.
Disclosure of Invention
Based on this, the present invention provides a driving device, a camera module and an electronic apparatus, so as to solve the problem that the magnetic field generated by the printed coil in the driving device in the prior art may interfere with the induction of the hall element, resulting in reduced auto-focusing accuracy.
In a first aspect, the present invention provides a technical solution that: the utility model provides a drive arrangement, includes two at least hall element and two at least printed coil, still includes carrier and middle part be the circuit board of fretwork, the carrier is located one side of circuit board, hall element with printed coil all locates the same side of circuit board, and towards the carrier sets up, wherein, one hall element with one printed coil is a set of and adjacent setting, every group hall element with printed coil locates the adjacent both sides edge of circuit board.
The beneficial effects of the invention are as follows: by arranging the hall elements and the printed coils on the same side of the circuit board and simultaneously towards the carrier, further, one of the hall elements and one of the printed coils are arranged as a group and are adjacent and mounted together in a spaced apart manner, and each group of hall elements and the printed coils adjacent thereto are respectively arranged on two adjacent side edges of the circuit board. During the use, because set up hall element and printed coil in same one side and all set up towards the direction of carrier for the magnetic field area that printed coil produced can not take place to overlap with the induction area that hall element produced, thereby avoided the magnetic field that printed coil produced to produce the interference to hall element's response, and then promoted the precision of this drive arrangement autofocus, and promoted user's use experience.
In an embodiment of the present application, the hall elements and the printed coils in each group are adjacently disposed on a surface of the same side of the circuit board.
In an embodiment of the present application, the hall element and the printed coil are soldered or bonded to the same side surface of the circuit board.
In the embodiment of the application, be equipped with adjacent first mounting groove and second mounting groove on the side of circuit board, first mounting groove with the second mounting groove all is towards the carrier sets up, first mounting groove is used for the installation hall element, the second mounting groove is used for the installation printed coil.
In the embodiment of the application, the bottom of first mounting groove with the second mounting groove all is equipped with the point and glues the groove.
In an embodiment of the present application, the first mounting groove and the second mounting groove are both disposed near an edge of a side edge of the circuit board.
In the embodiment of the application, the driving device further comprises a base with a hollowed middle part, wherein the base is arranged on the other side of the circuit board and is used for bearing the circuit board.
In the embodiment of the application, the base is towards one side of the circuit board is provided with a plurality of magnets, a plurality of magnets are respectively arranged on four sides of the base, and the installation positions of the magnets are in one-to-one correspondence with the installation positions of the printed coils.
In a second aspect, an embodiment of the present application proposes a camera module, which includes the driving device described above.
In a third aspect, an embodiment of the present application proposes an electronic device, which includes the camera module described above.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a driving device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a circuit board in a driving device according to a first embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the installation of a circuit board and a carrier in a driving device according to a first embodiment of the present invention;
fig. 4 is a schematic diagram illustrating the installation of a circuit board, a carrier and a base in a driving device according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circuit board in a driving device according to a second embodiment of the present invention.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a driving apparatus 100 according to a first embodiment of the present invention mainly includes: hall element 10, printed coil 20, carrier 30, and circuit board 40.
Specifically, the driving device 100 includes at least two hall elements 10 and at least two printed coils 20, and further includes a carrier 30 and a circuit board 40 with a hollowed middle portion, wherein the carrier 30 is disposed on one side of the circuit board 40, the hall elements 10 and the printed coils 20 are disposed on the same side of the circuit board 40 and face the carrier 30, wherein one hall element 10 and one printed coil 20 are disposed adjacently in a group, and each group of hall elements 10 and printed coils 20 are disposed on two adjacent sides 41 of the circuit board 40.
In this embodiment, as shown in fig. 1 to 4, in the three-dimensional XYZ rectangular coordinate system, it is first to be noted that the hall element 10 is a semiconductor magneto-electric device that works by using the hall effect, so that a certain sensing area is generated around the hall element 10 during the working process, when the fluctuation of the sensing area is detected, the hall element 10 starts to work, and in addition, the hall element 10 can be matched with the printed coil 20, so that the driving device 100 drives the lens to horizontally move in the XY direction and to vertically lift in the Z axis direction, thereby completing the auto-focusing function of the lens.
In the present embodiment, the driving device 100 specifically includes two hall elements 10 and two printed coils 20, and is described in detail. In particular, as shown in fig. 2 to 3, it is pointed out that both hall elements 10 and both printed coils 20 are arranged on the side of the circuit board 40 facing the carrier 30. More specifically, in the present embodiment, one hall element 10 and one printed coil 20 are provided in a group and are adjacently disposed together (i.e., the hall element 10 is used in cooperation with the printed coil 20). In practice, as shown in fig. 2, each set of hall elements 10 and printed coils 20 is provided on adjacent two sides 41 of the circuit board 40. In other cases, three sets, four sets, etc. of hall elements 10 and printed coils 20 may be provided, which are all within the scope of the present embodiment.
Further, in the present embodiment, for convenience of implementation, the hall element 10 and the printed coil 20 in each group are adjacently disposed on the surface of the same side of the circuit board 40, so that the hall element 10 and the printed coil 20 can be cooperatively used. Further, in practice, the hall element 10 and the printed coil 20 are fixed to the same side surface of the circuit board 40 by soldering or bonding.
In this embodiment, as shown in fig. 4, it should be noted that the driving device 100 further includes a base 50 with a hollowed-out middle portion, and when installed, the base 50 is disposed on the other side of the circuit board 40, that is, the base 50 is disposed on an opposite side of the carrier 30, and when in use, the base 50 is used for carrying the circuit board 40.
In addition, a plurality of magnets 60 are disposed on a side of the base 50 facing the circuit board 40, in this embodiment, four magnets 60 are disposed on four sides of the base 50, and the mounting positions of the magnets 60 are in one-to-one correspondence with the mounting positions of the printed coils 20.
In particular, by disposing the hall elements 10 and the printed coils 20 on the same side of the circuit board 40 and simultaneously toward the carrier 30, further, one of the hall elements 10 and one of the printed coils 20 are disposed as a group and mounted adjacent and spaced apart, and each group of the hall elements 10 and the printed coils 20 adjacent thereto are disposed on the adjacent two sides of the circuit board 40, respectively. When the driving device is used, the Hall element 10 and the printed coil 20 are arranged on the same side and are arranged towards the direction of the carrier 30, so that the magnetic field area generated by the printed coil 20 and the induction area generated by the Hall element 10 cannot overlap, interference of the magnetic field generated by the printed coil 20 on induction of the Hall element 10 is avoided, the automatic focusing precision of the driving device is further improved, and the use experience of a user is improved.
It should be noted that the foregoing implementation procedure is only for illustrating the feasibility of the present application, but this does not represent that the driving device of the present application has only one implementation procedure, and may be incorporated into the feasible embodiment of the present application as long as the driving device of the present application can be implemented.
In summary, in the driving device in the above embodiment of the present invention, the hall element and the printed coil are disposed on the same side and are both disposed towards the direction of the carrier, so that the magnetic field area generated by the printed coil and the induction area generated by the hall element do not overlap, thereby avoiding interference of the magnetic field generated by the printed coil on induction of the hall element, further improving the accuracy of auto-focusing of the driving device, and improving the use experience of a user.
Referring to fig. 5, a driving device according to a second embodiment of the present invention is shown, wherein the driving device in the present embodiment is different from the driving device in the first embodiment in that:
in this embodiment, in order to further facilitate the mounting of the hall element 10 and the printed coil 20, as shown in fig. 5, adjacent first mounting grooves 42 and second mounting grooves 43 are provided on the side 41 of the circuit board 40, and the first mounting grooves 42 and the second mounting grooves 43 are each provided toward the carrier 30, and in use, the first mounting grooves 42 are used for mounting the hall element 10 and the second mounting grooves 43 are used for mounting the printed coil 20.
Further, dispensing grooves (not shown) are formed at bottoms of the first mounting groove 42 and the second mounting groove 43, and the first mounting groove 42 and the second mounting groove 43 are disposed near edges of the side 41 of the circuit board 40. During installation, only glue is needed to be dispensed in the dispensing slot in advance, and then the Hall element 10 and the printed coil 20 are correspondingly arranged in the first mounting slot 42 and the second mounting slot 43 respectively, so that the Hall element 10 and the printed coil 20 can be installed, simplicity and convenience are realized, and meanwhile, the installation stability is greatly improved.
It should be noted that, for the sake of brevity, reference is made to the corresponding contents of the first embodiment for the description of the apparatus according to the second embodiment of the present invention, which implements the same principle and some technical effects as those of the first embodiment.
In a third embodiment of the present invention, a camera module is provided, where the camera module includes the driving device provided in the first embodiment or the second embodiment.
The fourth embodiment of the present invention provides an electronic device, which includes the camera module provided in the third embodiment.
In summary, in the driving device, the camera module and the electronic device in the above embodiments of the present invention, the hall element and the printed coil are disposed on the same side and are all disposed towards the direction of the carrier, so that the magnetic field area generated by the printed coil and the induction area generated by the hall element do not overlap, thereby avoiding interference of the magnetic field generated by the printed coil on induction of the hall element, further improving the auto-focusing precision of the driving device, and improving the use experience of the user.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. A driving device comprising at least two hall elements and at least two printed coils, characterized in that: the Hall element and the printed coil are arranged on two adjacent sides of the circuit board, and the Hall element and the printed coil are arranged on the two adjacent sides of the circuit board;
the Hall element and the printed coil in each group are adjacently arranged on the surface of the same side of the circuit board;
the driving device further comprises a base with a hollowed middle part, wherein the base is arranged on the other side of the circuit board and is used for bearing the circuit board;
a plurality of magnets are arranged on one side, facing the circuit board, of the base, the magnets are respectively arranged on four sides of the base, and the installation positions of the magnets are in one-to-one correspondence with the installation positions of the printed coils;
the side of the circuit board is provided with a first mounting groove and a second mounting groove which are adjacent to each other, the first mounting groove and the second mounting groove are both arranged towards the carrier, the first mounting groove is used for mounting the Hall element, and the second mounting groove is used for mounting the printed coil;
glue dispensing grooves are formed in the bottoms of the first mounting groove and the second mounting groove;
the first mounting groove and the second mounting groove are arranged close to the edge of the side edge of the circuit board.
2. The drive device according to claim 1, wherein: the hall element and the printed coil are welded or adhered to the surface of the same side of the circuit board.
3. A camera module, its characterized in that: comprising a drive device according to any one of claims 1 to 2.
4. An electronic device, characterized in that: a camera module comprising the camera module of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466815.5A CN114173039B (en) | 2021-12-01 | 2021-12-01 | Driving device, camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466815.5A CN114173039B (en) | 2021-12-01 | 2021-12-01 | Driving device, camera module and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114173039A CN114173039A (en) | 2022-03-11 |
| CN114173039B true CN114173039B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111466815.5A Active CN114173039B (en) | 2021-12-01 | 2021-12-01 | Driving device, camera module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114173039B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150073368A (en) * | 2013-12-23 | 2015-07-01 | 엘지이노텍 주식회사 | Motor for actuating lens |
| KR20150104703A (en) * | 2014-03-06 | 2015-09-16 | 주식회사 하이소닉 | Camera actuator with function of auto-focus and image stabilize |
| CN204883014U (en) * | 2015-07-06 | 2015-12-16 | 南昌欧菲光电技术有限公司 | Camera module |
| JP2017021222A (en) * | 2015-07-10 | 2017-01-26 | シャープ株式会社 | Optical system drive unit and camera module |
| KR20170138672A (en) * | 2016-06-08 | 2017-12-18 | (주)알비케이이엠디 | Ois camera module with improved assemblabillity |
| CN207782986U (en) * | 2018-03-14 | 2018-08-28 | 欧菲影像技术（广州）有限公司 | Camera module and its wiring board mechanism |
| CN108603993A (en) * | 2016-02-10 | 2018-09-28 | 三美电机株式会社 | Lens driver, camara module and camera carrying device |
| CN209895121U (en) * | 2019-05-14 | 2020-01-03 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
| WO2020228730A1 (en) * | 2019-05-14 | 2020-11-19 | 新思考电机有限公司 | Driving apparatus, camera module, electronic device and driving apparatus assembly method |
| CN111970421A (en) * | 2020-08-17 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Camera motor, camera module and electronic device |
| CN112666672A (en) * | 2020-12-31 | 2021-04-16 | 上海比路电子股份有限公司 | Lens driving motor, camera device comprising same and mobile terminal |
| CN113014785A (en) * | 2021-03-26 | 2021-06-22 | 新思考电机有限公司 | Flexible circuit board assembly, driving device, camera module and electronic product |
| WO2021197148A1 (en) * | 2020-03-31 | 2021-10-07 | 维沃移动通信有限公司 | Camera module and electronic device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9372352B2 (en) * | 2013-08-23 | 2016-06-21 | Samsung Electro-Mechanics Co., Ltd. | Lens driving device and camera module including the same |
| US20210048729A1 (en) * | 2019-08-16 | 2021-02-18 | Samsung Electro-Mechanics Co., Ltd. | Camera module |
-
2021
- 2021-12-01 CN CN202111466815.5A patent/CN114173039B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150073368A (en) * | 2013-12-23 | 2015-07-01 | 엘지이노텍 주식회사 | Motor for actuating lens |
| KR20150104703A (en) * | 2014-03-06 | 2015-09-16 | 주식회사 하이소닉 | Camera actuator with function of auto-focus and image stabilize |
| CN204883014U (en) * | 2015-07-06 | 2015-12-16 | 南昌欧菲光电技术有限公司 | Camera module |
| JP2017021222A (en) * | 2015-07-10 | 2017-01-26 | シャープ株式会社 | Optical system drive unit and camera module |
| CN108603993A (en) * | 2016-02-10 | 2018-09-28 | 三美电机株式会社 | Lens driver, camara module and camera carrying device |
| KR20170138672A (en) * | 2016-06-08 | 2017-12-18 | (주)알비케이이엠디 | Ois camera module with improved assemblabillity |
| CN207782986U (en) * | 2018-03-14 | 2018-08-28 | 欧菲影像技术（广州）有限公司 | Camera module and its wiring board mechanism |
| CN209895121U (en) * | 2019-05-14 | 2020-01-03 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
| WO2020228730A1 (en) * | 2019-05-14 | 2020-11-19 | 新思考电机有限公司 | Driving apparatus, camera module, electronic device and driving apparatus assembly method |
| WO2021197148A1 (en) * | 2020-03-31 | 2021-10-07 | 维沃移动通信有限公司 | Camera module and electronic device |
| CN111970421A (en) * | 2020-08-17 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Camera motor, camera module and electronic device |
| CN112666672A (en) * | 2020-12-31 | 2021-04-16 | 上海比路电子股份有限公司 | Lens driving motor, camera device comprising same and mobile terminal |
| CN113014785A (en) * | 2021-03-26 | 2021-06-22 | 新思考电机有限公司 | Flexible circuit board assembly, driving device, camera module and electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114173039A (en) | 2022-03-11 |
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