CN114173037A - Drive assembly, camera module and electronic equipment - Google Patents
Drive assembly, camera module and electronic equipment Download PDFInfo
- Publication number
- CN114173037A CN114173037A CN202111443249.6A CN202111443249A CN114173037A CN 114173037 A CN114173037 A CN 114173037A CN 202111443249 A CN202111443249 A CN 202111443249A CN 114173037 A CN114173037 A CN 114173037A
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- Prior art keywords
- carrier
- conductive circuits
- electrically connected
- conductive
- driving
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- 238000003384 imaging method Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
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
Abstract
The drive assembly comprises a carrier, an upper elastic sheet arranged on the upper end face of the carrier, and two coils arranged on two opposite outer side faces of the carrier, wherein two non-intersecting first conductive circuits are integrally manufactured on the outer surface of the carrier, one end parts of the two first conductive circuits are respectively positioned on the upper end faces of two sides of the carrier and are respectively electrically connected with the upper elastic sheet, and the other ends of the two first conductive circuits respectively extend towards the two coils and are respectively electrically connected with two tail end leads of the coils. Compared with the traditional driving assembly, the invention omits the winding post, thereby being free from the limit value of the surrounding space of the carrier and realizing the miniaturization of the driving assembly.
Description
Technical Field
The invention relates to the technical field of cameras, in particular to a driving assembly, a camera module and electronic equipment.
Background
Along with the rapid development of the camera industry, the application of the camera module is more and more extensive, and at present, various types of electronic products such as cameras, mobile phones, computers and the like are equipped with the camera module, so that people can take pictures at any time and any place conveniently, and convenience and fun are brought to the life of people.
In a camera module having an auto-focusing function, a voice coil driver module (VCM) is an essential component. A VCM generally includes a housing, a magnet, a coil, a spring, and a carrier disposed within the housing for carrying a lens. The coil is divided into two parts which are respectively arranged on two opposite outer side walls of the carrier, and the lens on the carrier is driven to move axially through the interaction force between the permanent magnetic field of the magnet and the magnetic poles in the magnetic field generated by the electrified coil, so that the focusing function is realized.
In response to the market demand for electronic products to be light, thin and compact, the size of the voice coil driving assembly needs to be reduced. Because the two tail end leads of the coil of the existing voice coil driving assembly are electrically connected with the elastic sheet through the winding posts arranged on the carrier, redundant space needs to flow out around the carrier to arrange the winding posts, and further miniaturization development of the driving assembly is limited.
Disclosure of Invention
In view of the above, it is desirable to provide a driving module, a camera module and an electronic device, which can solve the problem that the driving module cannot be further miniaturized in the prior art.
A driving assembly comprises a carrier, an upper elastic sheet arranged on the upper end face of the carrier, and two coils arranged on two opposite outer side faces of the carrier, wherein two non-intersecting first conductive circuits are integrally manufactured on the outer surface of the carrier, one end parts of the two first conductive circuits are respectively positioned on the upper end faces of two sides of the carrier so as to be respectively electrically connected with the upper elastic sheet, and the other ends of the two first conductive circuits respectively extend towards the two coils so as to be respectively electrically connected with two tail end leads of the two coils.
Further, in the driving assembly, the first conductive circuit is a conductive layer formed on the outer side surface of the carrier through a plating or coating process.
Further, in the above driving assembly, a driving IC is fixedly disposed on an outer side surface of the carrier, the two first conductive circuits are electrically connected to the driving IC, four second conductive circuits are integrally formed on an outer side surface of the carrier, two of the four second conductive circuits do not intersect with each other, one end of each of the four second conductive circuits is electrically connected to the upper spring plate, and the other end of each of the four second conductive circuits is electrically connected to the driving IC.
Further, in the above driving module, the driving IC is located between the two coils.
Further, in the driving assembly, two extending lines extend from the two first conductive circuits respectively, the extending lines are integrally formed on the outer side surface of the carrier, and the ends of the extending lines are electrically connected to the driving IC, so that the driving IC is electrically connected to the coil through the first conductive circuits and the extending lines.
Further, in the driving assembly, a through hole is formed in the carrier, the upper elastic sheet includes two inner frame fixing pieces symmetrically arranged at edges of the through hole, and four outer frame fixing pieces respectively connected to two ends of the inner frame fixing pieces, one end of each of the four outer frame fixing pieces connected to the inner frame fixing pieces is respectively connected to the four second conductive circuits, two wiring terminals are respectively arranged on the inner frame fixing pieces, and the two first conductive circuits are respectively electrically connected to the wiring terminals on the two inner frame fixing pieces.
Further, in the above driving assembly, the first conductive circuit and the tail end lead of the coil, the first conductive circuit and the upper elastic sheet, and the second conductive circuit and the upper elastic sheet are connected by welding.
Furthermore, the driving assembly further comprises a circuit board, and the four outer frame fixing pieces are electrically connected with the circuit board through a suspension wire respectively.
The invention also provides a camera module which comprises a lens, an imaging sensor and any one of the driving components.
The invention also provides electronic equipment comprising the camera module.
In the invention, two first conductive circuits are integrally manufactured on the surface of the carrier, the two first conductive circuits are respectively connected with two tail end leads of the coil and the elastic sheet, and the coil is electrically connected with the upper elastic sheet through the two first conductive circuits. Compared with the traditional driving assembly, the invention omits the winding post, thereby being free from the limit value of the surrounding space of the carrier and realizing the miniaturization of the driving assembly.
Drawings
FIG. 1 is a schematic structural diagram of a driving assembly according to a first embodiment of the present invention;
fig. 2 is a schematic view of an assembly structure of a carrier and a coil in a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a carrier in a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of an upper spring plate according to a second embodiment of the present invention.
The main elements are indicated by symbols.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, this embodiment is provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" 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 as used herein are 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Moreover, the embodiments of the present invention, features in the embodiments, and features of the embodiments and examples can be freely combined without obvious conflict and contradiction.
Referring to fig. 1 and 2, a driving assembly according to a first embodiment of the present invention includes a housing 10 and a base 20 that can be engaged with each other, and an upper spring 11, a carrier 12, a coil 13, a magnet 14, and a lower spring 15 disposed in the housing 10 in a three-dimensional xyz rectangular coordinate system. The upper spring plate 11 and the lower spring plate 15 are respectively arranged at the upper end and the lower end of the carrier, two coils 13 are respectively arranged on the two opposite outer side surfaces of the carrier 12, during specific implementation, the two opposite outer side surfaces of the carrier are provided with installation blocks protruding outwards, and the coils are sleeved on the installation blocks. Two magnets 14 are provided, and the two magnets 14 are provided with respect to the two coils 13, respectively. The carrier 12 has a through hole in the middle for mounting a lens. As shown in fig. 2, two non-intersecting first conductive circuits 40 are integrally formed on the outer surface of the carrier 12, the two first conductive circuits 40 are respectively located on the other two opposite outer side surfaces of the carrier 12, one end portions of the two first conductive circuits 40 extend to the upper end surface of the carrier 12 to be electrically connected to two sides of the two upper spring pieces 11, respectively, and the other end portions of the two first conductive circuits 40 are electrically connected to two end leads of the two coils 13, respectively.
In this embodiment, the first conductive circuit 40 and the second conductive circuit 60 are used to electrically connect the coil 13 and the upper spring 11. Compared with the conventional driving assembly, the present embodiment omits the winding post, and the first conductive circuit 40 disposed on the surface of the carrier 12 is used to electrically connect the coil 13 and the upper spring 11. The first conductive circuit 40 is integrally formed on the outer surface of the carrier 12, so that the space around the carrier 12 is not occupied, and the volume of the driving assembly is greatly reduced.
In one embodiment, the first conductive circuit 40 is a conductive layer formed on the outer surface of the carrier 12 by a plating or coating process, i.e., a conductive material is plated or coated on the outer surface of the carrier 12 to form the first conductive circuit 40. The end lead 132 of the coil 13 and the upper spring plate 11 are welded on the first conductive circuit 40.
In this embodiment, two first conductive circuits are integrally formed on the surface of the carrier, the two first conductive circuits are respectively connected to the two tail end leads of the coil and the spring plate, and the coil is electrically connected to the upper spring plate through the two first conductive circuits. Compared with the traditional driving assembly, the driving assembly omits the winding post, so that the driving assembly can be miniaturized without the limit value of the surrounding space of the carrier.
As shown in fig. 3, the second embodiment of the present invention further provides a driving assembly, which has substantially the same structure as the driving assembly of the first embodiment, except that a driving IC 50 is fixed to the outer surface of the carrier 12, and the driving IC 50 is located at one side of the two coils 13, i.e., at the area between the two coils 13.
An extension line 41 extends from each of the two first conductive circuits 40, the extension lines 41 are integrally formed on the outer side surface of the carrier, and the end of the extension line 41 is electrically connected to the driving IC 50, so that the driving IC 50 is electrically connected to the coil 13 through the first conductive circuits 40 and the extension lines 41.
The outer side surface of the carrier 12 is further integrally provided with four second conductive circuits 60, the four second conductive circuits 60 do not intersect with each other pairwise, one ends of the four second conductive circuits 60 are respectively connected with the upper elastic sheet 11, and the other ends of the four second conductive circuits 60 are electrically connected with the driving IC 50.
As shown in fig. 4, the upper spring plate 11 includes two inner frame fixing plates 111 symmetrically disposed at the edge of the through hole, and four outer frame fixing plates 112 disposed outside the two inner frame fixing plates 111, wherein one end portions of the four outer frame fixing plates 112 are respectively connected to two end portions of the two inner frame fixing plates 111, and the end portions of the four outer frame fixing plates 112 connected to the inner frame fixing plates 111 are respectively welded to the four second conductive circuits 60, so as to electrically connect to the four second conductive circuits 60. The middle parts of the two inner frame fixing pieces 111 are respectively provided with a terminal 113, and the terminal 113 is welded on the first conductive circuit 40, that is, the two first conductive circuits 40 are respectively electrically connected with the two inner frame fixing pieces 111 through the two terminals 113. The base 20 is provided with a circuit board, and the four outer frame fixing pieces 112 are electrically connected with the circuit board through the suspension wires 70.
In other words, in the embodiment, the coil is connected to the driving IC through two first conductive circuits, and then connected to the four outer frame fixing pieces through the driving IC and four second conductive circuits, respectively, and the four outer frame fixing pieces are electrically connected to the circuit board through four suspension wires, respectively. Thereby achieving electrical connection between the coil, the driving IC, and the circuit board.
The embodiment of the invention also provides a camera module, which comprises a lens, an imaging sensor and the driving component, wherein the lens is arranged on the carrier, the imaging sensor is arranged on one side of the shell far away from the lens, and the imaging sensor and the lens are oppositely arranged on the optical axis path.
The embodiment of the invention also provides electronic equipment which comprises the camera module.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A driving assembly comprises a carrier, an upper elastic sheet arranged on the upper end face of the carrier, and two coils arranged on two opposite outer side faces of the carrier, and is characterized in that two non-intersecting first conductive circuits are integrally manufactured on the outer surface of the carrier, one end parts of the two first conductive circuits are respectively positioned on the upper end faces of two sides of the carrier so as to be respectively electrically connected with the upper elastic sheet, and the other ends of the two first conductive circuits respectively extend towards the two coils so as to be respectively electrically connected with two tail end leads of the two coils.
2. The drive assembly of claim 1, wherein the first conductive circuit is a conductive layer formed on the outer side of the carrier by a plating or coating process.
3. The driving assembly according to claim 1, wherein a driving IC is fixedly disposed on an outer side surface of the carrier, two of the first conductive circuits are electrically connected to the driving IC, four second conductive circuits are integrally formed on an outer side surface of the carrier, two of the four second conductive circuits do not intersect with each other, one end of each of the four second conductive circuits is electrically connected to the upper spring, and the other end of each of the four second conductive circuits is electrically connected to the driving IC.
4. The drive assembly of claim 3, wherein the drive IC is located between two of the coils.
5. The driving assembly as claimed in claim 4, wherein an extension line extends from each of the two first conductive circuits, the extension lines are integrally formed on an outer side of the carrier, and ends of the extension lines are electrically connected to the driving IC, so that the driving IC is electrically connected to the coil through the first conductive circuits and the extension lines.
6. The driving assembly as claimed in claim 3, wherein the carrier has a through hole, the upper spring plate includes two inner frame fixing plates symmetrically disposed at edges of the through hole, and four outer frame fixing plates respectively connected to two ends of the two inner frame fixing plates, one end of each of the four outer frame fixing plates connected to the inner frame fixing plate is respectively connected to the four second conductive circuits, two inner frame fixing plates are respectively provided with a terminal, and two first conductive circuits are respectively electrically connected to the terminals of the two inner frame fixing plates.
7. The driving assembly according to claim 3, wherein the first conductive circuit is connected to a terminal lead of the coil, the first conductive circuit is connected to the upper spring plate, and the second conductive circuit is connected to the upper spring plate by welding.
8. The driving assembly as claimed in claim 6, further comprising a circuit board, wherein each of the four outer frame fixing pieces is electrically connected to the circuit board through a suspension wire.
9. A camera module comprising a lens, an imaging sensor, and the driving assembly of any one of claims 1 to 8.
10. An electronic device, comprising the camera module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443249.6A CN114173037B (en) | 2021-11-30 | 2021-11-30 | Driving assembly, camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443249.6A CN114173037B (en) | 2021-11-30 | 2021-11-30 | Driving assembly, camera module and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114173037A true CN114173037A (en) | 2022-03-11 |
| CN114173037B CN114173037B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443249.6A Active CN114173037B (en) | 2021-11-30 | 2021-11-30 | Driving assembly, camera module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114173037B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185138A (en) * | 2022-07-14 | 2022-10-14 | 新思考电机有限公司 | Driving mechanism, lens driving device, and image pickup apparatus |
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| CN113596201A (en) * | 2021-06-29 | 2021-11-02 | 新思考电机有限公司 | Prevent that carrier rocks subassembly, drive module and camera module |
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| US20180124296A1 (en) * | 2015-06-26 | 2018-05-03 | Ap Photonices (Shenzhen) Limited | Magnetic interference-resistant optical image stabilization voice coil motor and its method of manufacturing |
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| CN115185138A (en) * | 2022-07-14 | 2022-10-14 | 新思考电机有限公司 | Driving mechanism, lens driving device, and image pickup apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114173037B (en) | 2023-12-05 |
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