CN211406084U - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
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- CN211406084U CN211406084U CN201922379456.4U CN201922379456U CN211406084U CN 211406084 U CN211406084 U CN 211406084U CN 201922379456 U CN201922379456 U CN 201922379456U CN 211406084 U CN211406084 U CN 211406084U
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- electromagnet
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Abstract
The utility model provides a camera module and an electronic device, which comprises a bracket, a bottom plate, a lens, an image acquisition assembly and a driving assembly; the support is fixedly connected with the bottom plate, and the lens is arranged on the support; the image acquisition assembly is movably connected with the bracket and is positioned between the lens and the bottom plate; the driving assembly is located inside the support and comprises an electromagnet and a magnet, one of the electromagnet and the magnet is fixedly connected with the image acquisition assembly, the other of the electromagnet and the magnet is fixedly connected with the bottom plate, the electromagnet and the magnet are arranged oppositely, and when the electromagnet is in an electrified state, the image acquisition assembly moves towards or deviates from the bottom plate. The embodiment of the utility model provides a pair of camera module and electronic equipment can solve the camera module and occupy the problem in great space on electronic equipment.
Description
Technical Field
The utility model relates to an imaging technology field, concretely relates to camera module and electronic equipment.
Background
In the prior art, a camera module used by an electronic device mainly includes a bracket, a lens, an image sensor and a motor, the lens and the motor are respectively installed on the bracket, and the motor is installed at a side portion of the lens and connected with the lens, and the lens is driven by the motor to move, so that the relative position between the lens and the image sensor is adjusted, and the focusing purpose of the lens is further achieved.
Among the above-mentioned camera module, the spatial dimension of motor is great, and improves constantly along with the pixel of camera, and the weight of camera lens will be bigger and bigger, for providing sufficient drive power, motor spatial dimension also will further increase, and then leads to the camera module to occupy great space on electronic equipment, is unfavorable for electronic equipment's miniaturized design.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a camera module and electronic equipment to solve the camera module and occupy the problem in great space on electronic equipment.
In a first aspect, an embodiment of the present invention provides a camera module, which includes a bracket, a bottom plate, a lens, an image capturing assembly, and a driving assembly;
the support is fixedly connected with the bottom plate, and the lens is arranged on the support;
the image acquisition assembly is movably connected with the bracket and is positioned between the lens and the bottom plate;
the driving assembly is located inside the support and comprises an electromagnet and a magnet, one of the electromagnet and the magnet is fixedly connected with the image acquisition assembly, the other of the electromagnet and the magnet is fixedly connected with the bottom plate, the electromagnet and the magnet are arranged oppositely, and when the electromagnet is in an electrified state, the image acquisition assembly moves towards or deviates from the bottom plate.
In a second aspect, the embodiment of the present invention further provides an electronic device, including the above camera module.
The embodiment of the utility model provides an in, when the electromagnet is in the on state, repulsion or suction will produce between electromagnet and the magnet, make image acquisition subassembly orientation or deviate from the bottom plate motion to drive image acquisition subassembly orientation or keep away from the camera lens motion, and then realize focusing of camera, because drive assembly sets up in the inside of support, consequently, need not to provide drive assembly's installation space in the outside of support, thereby the effectual camera module that has reduced shared space on electronic equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a cross-sectional view of a camera module according to an embodiment of the present invention;
fig. 2 is a partial schematic view of a connection portion between the image capturing assembly and the bottom plate in the embodiment of the present invention;
fig. 3 is a top view of the image capturing assembly installed inside the bracket of the embodiment of the present invention.
Fig. 4 is an exploded view of the camera module according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1-4, a camera module according to an embodiment of the present invention includes a bracket 110, a base plate 120, a lens 130, an image capturing assembly 140, and a driving assembly 150;
the bracket 110 is fixedly connected with the base plate 120, and the lens 130 is mounted on the bracket 110;
the image capturing assembly 140 is movably connected to the bracket 110 and located between the lens 130 and the base plate 120;
the driving assembly 150 is located inside the bracket 110, the driving assembly 150 includes an electromagnet 151 and a magnet 152, one of the electromagnet 151 and the magnet 152 is fixedly connected to the image capturing assembly 140, the other is fixedly connected to the base plate 120, the electromagnet 151 is opposite to the magnet 152, and when the electromagnet 151 is in a power-on state, a repulsive force or an attractive force is generated between the electromagnet 151 and the magnet 152, so that the image capturing assembly 140 moves towards or away from the base plate 120.
The electromagnet 151 may be an electromagnetic coil, for example, a PCB coil, the bracket 110 is a hollow structure with one open end, and the base plate 120 may be relatively fixedly bonded to the open end of the bracket 110 by a glue strip 160, so as to form an installation space between the bracket 110 and the base plate 120; the lens 130 may be fixedly connected to the bracket 110 by a connection manner such as a threaded connection, a screw connection, or an adhesion, and the lens 130 and the base plate 120 are respectively connected to two opposite ends of the bracket 110; in addition, the lens 130 may include a lens barrel and several lenses installed in the lens barrel, and the lens 130 may focus light to facilitate imaging.
The image capturing assembly 140 may be slidably connected to the bracket 110, specifically, a sliding groove may be formed in the image capturing assembly 140, and a sliding block corresponding to the sliding groove is formed on an inner wall of the bracket 110, so as to achieve the sliding connection between the image capturing assembly 140 and the bracket 110, more specifically, the sliding groove may be formed along a direction perpendicular to the bottom plate 120, the electromagnet 151 may be fixedly connected to the image capturing assembly 140, and the magnet 152 may be fixedly connected to the bottom plate 120, or the magnet 152 may be fixedly connected to the image capturing assembly 140, and the electromagnet 151 may be fixedly connected to the bottom plate 120, wherein the magnet 152 may be a magnet, and the fixing connection may be an adhesive or other connection. When the electromagnet 151 is in the energized state, the magnetic field generated by the end face of the electromagnet 151 facing one end of the magnet 152 may be equivalent to a magnetic pole of a magnetic stripe, and a magnetic pole of the magnet 152 is disposed opposite to the electromagnet 151, so that the two magnetic poles are disposed opposite to each other, a repulsive force or an attractive force is generated between the electromagnet 151 and the magnet 152, the direction of the magnetic force between the electromagnet 151 and the magnet 152 can be controlled by changing the energizing direction of the electromagnet 151, and the magnitude of the magnetic force between the electromagnet 151 and the magnet 152 can be controlled by changing the magnitude of the current in the electromagnet 151, so that even as the pixels of the camera are increased, the weight of the lens 130 will be increased, and in order to provide a sufficient driving force, the volume of the driving assembly 150 does not need to be increased, but a larger current can be provided in the electromagnet.
Specifically, in the embodiment of the present invention, when the electromagnet 151 is in the power-on state, a repulsive force or an attractive force is generated between the electromagnet 151 and the magnet 152, so as to drive the image capturing assembly 140 to move toward or away from the lens 130, and further to focus the camera, because the driving assembly 150 is disposed inside the bracket 110, there is no need to provide a mounting space for the driving assembly 150 outside the bracket 110, and thus the space occupied by the camera module on the electronic device is effectively reduced.
Optionally, the driving assembly 150 includes N sets of the electromagnets 151 and the magnets 152, one of any set of the electromagnets 151 and the magnets 152 is fixedly connected to the image capturing assembly 140, and the other is fixedly connected to the base plate 120, where N is an integer greater than 1.
Any one of the electromagnet 151 and the magnet 152 in any group is fixedly connected to the image capturing assembly 140, and the other one is fixedly connected to the base plate 120, which means that: each set of the electromagnet 151 and the magnet 152, which are oppositely disposed, is independently installed, that is, when one set is installed in a manner that the electromagnet 151 is fixedly connected with the image capturing assembly 140, and the magnet 152 is fixedly connected with the base plate 120, the other set may be installed in a manner that the magnet 152 is fixedly connected with the image capturing assembly 140, and the electromagnet 151 is fixedly connected with the base plate 120, which is not limited thereto.
Specifically, by providing N sets of the electromagnets 151 and the magnets 152, when N electromagnets 151 are energized simultaneously, the image capturing assembly 140 is driven from N force points to move directionally, so that a sufficient driving force can be provided for the image capturing assembly 140, and the image capturing assembly 140 moves relatively smoothly due to the plurality of force points.
Optionally, the N magnets 152 are respectively disposed on the surface of the image capturing assembly 140 opposite to the bottom plate 120, and the N electromagnets 151 are respectively disposed corresponding to the N magnets 152 and respectively fixedly connected to the bottom plate 120. Thus, the installation process of the driving assembly 150 can be simplified, and simultaneously, since the N electromagnets 151 need to be electrically connected to the control component of the camera respectively, all the electromagnets 151 are installed on the same structure, which facilitates the arrangement of the circuit.
Optionally, referring to fig. 1-2, the image capturing assembly 140 includes an image sensor 141 and a carrier plate 142, the carrier plate 142 is parallel to the base plate 120, N mounting grooves are formed on a surface of the base plate 120 opposite to the carrier plate 142, and the N magnets 152 are respectively embedded in the N mounting grooves in a one-to-one correspondence manner.
The carrier plate 142 is used for carrying the image sensor 141, and may be movably connected to the inner wall of the bracket 110 through the carrier plate 142, the image sensor 141 may be embedded on the surface of the carrier plate 142, or may be fixedly connected to the carrier plate 142 through a connection manner such as adhesion, and since the N electromagnets 151 are simultaneously energized, the N magnets 152 move toward or away from the bottom plate 120, and since the N magnets 152 are respectively embedded in the carrier plate 142, the carrier plate 142 is driven to move synchronously, and the image sensor 141 is driven to move toward or away from the lens 130, so as to achieve the focusing purpose of the camera.
Optionally, the N mounting grooves are annularly arranged along the edge of the carrier plate 142.
The N mounting grooves can be arranged along the edge of the support plate 142 in an annular array, and the N magnets 152 are respectively embedded in the N mounting grooves in a one-to-one correspondence manner, so that the N magnets 152 are arranged along the edge of the support plate 142 in an annular array manner, and when the N electromagnets 151 are simultaneously electrified, the edge of the support plate 142 is driven to move by uniform acting force, and the moving stability of the image acquisition assembly 140 is further improved.
Optionally, the image sensor 141 and a surface of the carrier plate 142 on a side away from the mounting groove are fixedly connected, and the image sensor 141 and the lens 130 are disposed opposite to each other.
Since the image capturing assembly 140 is located between the lens 130 and the bottom plate 120, and the image sensor 141 and the surface of the support plate 142 on the side away from the mounting groove are fixedly connected, it can be ensured that the image sensor 141 is mounted on the side opposite to the lens 130, and preferably, the image sensor 141 and the lens 130 are arranged right opposite to each other, so that the focusing accuracy can be ensured. In addition, a surface of the carrier 142 facing the lens 130 may be provided with a groove, and the image sensor 141 is disposed in the groove. At this time, the image sensor 141 is recessed with respect to the carrier plate 142, and therefore, the space occupied by the image sensor 141 is smaller, and the space occupied by the entire camera module is smaller. Meanwhile, the distance between the lens 130 and the image sensor 141 is increased, so that the movement amplitude of the image sensor 141 relative to the lens 130 is larger, thereby meeting more shooting requirements.
Optionally, the camera module further includes a positioning element 170, the positioning element 170 is disposed between the carrier plate 142 and the bracket 110, and the carrier plate 142 and the bracket 110 are positioned and matched by the positioning element 170.
The positioning element 170 may be a positioning ball, and a plurality of accommodating cavities for accommodating the positioning ball may be formed in the sidewall of the carrier 142, so that the positioning ball is installed in the accommodating cavities, wherein the positioning ball has a portion protruding out of the sidewall of the carrier 142 and abuts against the inner wall of the support 110, and preferably, the accommodating cavities may be formed at four corners of the carrier 142, so that the positioning of the carrier 142 in the horizontal direction is facilitated, and the support 110 and the carrier 142 can be slidably connected.
Optionally, the camera module further includes a plurality of elastic members 180, one end of each elastic member 180 is connected to the support 110, the other end of each elastic member 180 is connected to the image capturing assembly 140, and the plurality of elastic members 180 are arranged around the image sensor 141 at intervals.
One side surface of the elastic member 180 abuts against the bracket 110, and the other side surface of the elastic member 180 abuts against the carrier 142. The elastic member 180 may deform after being stressed, and further apply a reaction force to the carrier plate 142, and the reaction force may realize pre-pressing of the carrier plate 142, so that the carrier plate 142 is not prone to deflection during movement, thereby improving the imaging quality.
Specifically, the number of the elastic members 180 may be set to be plural, and the plurality of elastic members 180 are arranged at intervals along a direction surrounding the image sensor 141. With the increase of the number of the elastic members 180, the number of the acting points between the elastic members 180 and the carrier plate 142 is increased, and the distribution range of the acting points is wider, so that the carrier plate 142 is better prevented from deflecting during the movement, and the movement of the carrier plate 142 and the image sensor 141 is more stable.
Optionally, the bottom plate 120 is a circuit board, at least one of the elastic members 180 is a conductive body, the image capturing assembly 140 is electrically connected to the circuit board sequentially through the conductive body and the bracket 110, and the electromagnet 151 is electrically connected to the circuit board.
The circuit board is a circuit board of the camera module, and the image sensor 141 may be electrically connected to the circuit board, so as to facilitate control of the image sensor 141 through the circuit board, specifically, the image sensor 141 may be electrically connected to the circuit board through the carrier 142 or other additional structures, but considering that the image sensor 141 moves relative to the lens 130, in order to improve reliability of electrical connection between the image sensor 141 and the circuit board, at least a portion of the elastic member 180 may be provided as a conductive body, that is, at least a portion of the elastic member 180 may not only elastically deform, but also have conductivity. Since the conductive body is in contact with both the carrier 142 and the bracket 110, the carrier 142 can be made of a conductive material, so that the conductive body can be electrically connected to the circuit board through the bracket 110, and the image sensor 141 can be electrically connected to the conductive body through the carrier 142, thereby finally realizing the electrical connection between the image sensor 141 and the circuit board. Because the image sensor 141 and the carrier plate 142 move synchronously, the carrier plate 142 and the conductive body, the conductive body and the bracket 110 can always keep a contact relationship, and the bracket 110 and the circuit board are still relatively, wherein the bracket 110 and the circuit board can be electrically connected through a welding point, so that the electrical connection between the image sensor 141 and the circuit board is more reliable.
Optionally, in order to improve the imaging quality, the camera module may further include a filter 190, a mounting groove is formed in a surface of the bracket 110 facing the lens 130, the filter 190 is disposed in the mounting groove, and the filter 190 is located between the lens 130 and the image sensor 141. The optical filter 190 may filter a portion of the wavelength of light, thereby improving the image quality.
Furthermore, the embodiment of the utility model provides an electronic equipment is still provided, include the camera module.
The electronic device can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the mobile terminal may be other devices, and is not limited thereto.
Specifically, when the electromagnet 151 is in the power-on state, a repulsive force or an attractive force is generated between the electromagnet 151 and the magnet 152, so as to drive the image capturing assembly 140 to move towards or away from the lens 130, thereby realizing focusing of the camera, and since the driving assembly 150 is disposed inside the bracket 110, there is no need to provide a mounting space for the driving assembly 150 outside the bracket 110, thereby effectively reducing a space occupied by the camera module on the electronic device, and further facilitating miniaturization design of the electronic device.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A camera module is characterized by comprising a bracket, a bottom plate, a lens, an image acquisition assembly and a driving assembly;
the support is fixedly connected with the bottom plate, and the lens is arranged on the support;
the image acquisition assembly is movably connected with the bracket and is positioned between the lens and the bottom plate;
the driving assembly is located inside the support and comprises an electromagnet and a magnet, one of the electromagnet and the magnet is fixedly connected with the image acquisition assembly, the other of the electromagnet and the magnet is fixedly connected with the bottom plate, the electromagnet and the magnet are arranged oppositely, and when the electromagnet is in an electrified state, the image acquisition assembly moves towards or deviates from the bottom plate.
2. The camera module according to claim 1, wherein the driving assembly comprises N sets of the electromagnets and magnets, one of the electromagnets and magnets in any set is fixedly connected to the image capturing assembly, and the other is fixedly connected to the base plate, wherein N is an integer greater than 1.
3. The camera module according to claim 2, wherein N magnets are respectively disposed on the surface of the image capturing assembly opposite to the base plate, and N electromagnets are respectively disposed corresponding to the N magnets and respectively fixedly connected to the base plate.
4. The camera module according to claim 3, wherein the image capturing assembly comprises an image sensor and a carrier plate, the carrier plate is parallel to the base plate, the base plate has N mounting grooves formed on a surface thereof opposite to the carrier plate, and the N magnets are respectively embedded in the N mounting grooves in a one-to-one correspondence manner.
5. The camera module according to claim 4, wherein the N mounting slots are arranged annularly along the edge of the carrier plate.
6. The camera module according to claim 4, wherein the image sensor is fixedly connected to a surface of a side of the carrier plate away from the mounting groove, and the image sensor is disposed opposite to the lens.
7. The camera module according to claim 4, further comprising a positioning member disposed between the carrier plate and the bracket, wherein the carrier plate and the bracket are in positioning fit with each other through the positioning member.
8. The camera module of claim 4, further comprising a plurality of elastic members, wherein one end of each elastic member is connected to the bracket, the other end of each elastic member is connected to the image capturing assembly, and the plurality of elastic members are spaced around the image sensor.
9. The camera module of claim 8, wherein the base is a circuit board, at least one of the resilient members is a conductive body, the image capturing assembly is electrically connected to the circuit board sequentially via the conductive body and the bracket, and the electromagnet is electrically connected to the circuit board.
10. An electronic device, comprising the camera module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379456.4U CN211406084U (en) | 2019-12-25 | 2019-12-25 | Camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379456.4U CN211406084U (en) | 2019-12-25 | 2019-12-25 | Camera module and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211406084U true CN211406084U (en) | 2020-09-01 |
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| CN201922379456.4U Active CN211406084U (en) | 2019-12-25 | 2019-12-25 | Camera module and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911116A (en) * | 2021-01-29 | 2021-06-04 | 联想(北京)有限公司 | Electronic equipment |
| CN112969017A (en) * | 2021-02-10 | 2021-06-15 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113014758A (en) * | 2021-02-10 | 2021-06-22 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113014788A (en) * | 2021-04-29 | 2021-06-22 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113452884A (en) * | 2021-06-25 | 2021-09-28 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN114793259A (en) * | 2021-01-25 | 2022-07-26 | 昆山丘钛微电子科技股份有限公司 | Board carries formula electromagnetic driver and camera module |
-
2019
- 2019-12-25 CN CN201922379456.4U patent/CN211406084U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114793259A (en) * | 2021-01-25 | 2022-07-26 | 昆山丘钛微电子科技股份有限公司 | Board carries formula electromagnetic driver and camera module |
| CN112911116A (en) * | 2021-01-29 | 2021-06-04 | 联想(北京)有限公司 | Electronic equipment |
| CN112969017A (en) * | 2021-02-10 | 2021-06-15 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113014758A (en) * | 2021-02-10 | 2021-06-22 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN112969017B (en) * | 2021-02-10 | 2023-02-24 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113014788A (en) * | 2021-04-29 | 2021-06-22 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113452884A (en) * | 2021-06-25 | 2021-09-28 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
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