CN214544483U

CN214544483U - Camera module and electronic device

Info

Publication number: CN214544483U
Application number: CN202120673616.0U
Authority: CN
Inventors: 李巍; 马忠科
Original assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Current assignee: Nanchang OFilm Tech Co Ltd; Nanchang OFilm Optoelectronics Technology Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The embodiment of the application discloses camera module and electronic device. The camera module comprises a heating piece and a soaking plate; the soaking plate comprises an installation part and an extension part, the installation part is provided with a first surface, the first surface is used for being connected with the heating part, the extension part is connected with the installation part, and the extension part is bent to increase the heat dissipation area of the extension part; the extension include with the first heat dissipation section that the installation department is connected and with the second heat dissipation section that first heat dissipation section is connected, first heat dissipation section with second heat dissipation section is all perpendicular the first surface sets up, and encloses and locates week side of the piece that generates heat. The problem that the camera cannot rapidly dissipate heat when working can be effectively solved.

Description

Camera module and electronic device

Technical Field

The application relates to the field of electronic equipment, in particular to a camera module and an electronic device.

Background

In the correlation technique, the camera is at the during operation, and its inside heat is concentrated, and unable quick heat dissipation not only can influence optical components's operating condition in the camera, still can lead to the inside temperature of camera to rise, influences user experience.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a camera module and an electronic device, and the problem that a camera is difficult to rapidly dissipate heat during working can be effectively solved. The technical scheme is as follows:

in a first aspect, an embodiment of the present application provides a camera module, which includes a heating element and a soaking plate;

the soaking plate comprises an installation part and an extension part, wherein the installation part is provided with a first surface, the first surface is used for being connected with the heating part, the extension part is connected with the installation part, and the extension part is bent to increase the heat dissipation area of the extension part.

The soaking plate of this application embodiment, the installation department is as the installation carrier that generates heat, and direct and the laminating setting that generates heat can take away a large amount of heats that generate heat and produce at the operation in-process, and the difficult emergence high temperature that appears bad condition or because of the high condition that burns out of temperature when making the operation of generating heat, is of value to the normal operation that keeps the piece that generates heat, prolongs the life that generates heat. The extension part is further arranged on the mounting part, so that the heat dissipation area of the soaking plate can be effectively increased, and the heat dissipation efficiency is improved.

In some embodiments, the extension portion includes a first heat dissipation section connected to the mounting portion and a second heat dissipation section connected to the first heat dissipation section, and the first heat dissipation section and the second heat dissipation section are both perpendicular to the first surface and are disposed around the periphery of the heat generating member.

Based on above-mentioned embodiment, be first heat dissipation section and second heat dissipation section with the extension, the second heat dissipation section directly extends on the original basis of first heat dissipation section, increases the area of contact of whole soaking board and air, is of value to the radiating effect who improves whole soaking board for generate heat a heat dissipation.

In some of these embodiments, the extension includes with the first heat dissipation section that the installation department is connected and with the second heat dissipation section that first heat dissipation section is connected, first heat dissipation section is perpendicular the first surface sets up, the second heat dissipation section is parallel the first surface sets up, just the laminating of second heat dissipation section generate heat the piece and keep away from one side setting of first surface.

Based on the embodiment, the extension part is divided into the first heat dissipation section and the second heat dissipation section, the first heat dissipation section can drive the second heat dissipation section to extend so as to increase the heat dissipation area, the effective extension of the extension part is realized through the mode, and on the basis of increasing the heat dissipation area of the soaking plate, the second heat dissipation section and the heating piece arranged on the installation part are positioned at the same side of the installation part, so that the installation space is fully utilized, and the structure is compact; simultaneously, the second heat dissipation section with generate heat a surface laminating, increase soaking plate and the area of contact who generates heat, the soaking plate can be better take away the heat that generates heat when piece function.

In some of these embodiments, the mounting portion is provided integrally with the extension.

Based on above-mentioned embodiment, installation department and extension direct integrative setting improve the structural strength and the integrality of whole soaking plate.

In some embodiments, heat dissipation channels are respectively arranged in the soaking plates, and heat transfer media are arranged in the heat dissipation channels.

Based on the above embodiment, the inside many heat dissipation runners that set up of vapor chamber, can further regulate and control the radiating efficiency of vapor chamber through changing heat dissipation runner length.

In some embodiments, a heat conducting adhesive layer is arranged between the soaking plate and the heating member, and the heat conducting adhesive layer is used for fixing the soaking plate on the heating member.

Based on above-mentioned embodiment, set up the heat conduction glue film between the soaking plate and the piece that generates heat, on the one hand, can strengthen the soaking plate and the firm in connection between the piece that generates heat, the soaking plate is difficult to break away from the piece that generates heat, and on the other hand, utilizes the good characteristic of heat conduction performance of heat conduction glue film, and the heat that the piece that generates heat produced when making functions can be better transmits to the soaking plate, improves the radiating efficiency of the piece that generates heat.

In some embodiments, the heat generating member includes an image sensor and a circuit board.

Based on above-mentioned embodiment, the subassembly that produces a large amount of heats in the camera module is mainly image sensor and circuit board, directly sets up the soaking plate laminating on image sensor, circuit board, takes away the heat that image sensor and circuit board function produced, reduces the inside temperature of camera rapidly.

In some embodiments, the circuit board has a through hole, and the image sensor is disposed in the through hole and in direct contact with the mounting portion of the heat spreader.

Based on above-mentioned embodiment, image sensor contacts with the soaking plate from the through-hole department of circuit board, makes image sensor, circuit board homoenergetic direct and soaking plate laminating setting, and the heat that the image sensor operation of giving off that can be better produced improves the radiating efficiency who generates heat.

In some of these embodiments, the camera module still includes voice coil motor, voice coil motor locates generate heat the piece and deviate from a side surface of installation department, the laminating of second heat dissipation section voice coil motor week side set up and with voice coil motor fixed connection.

Based on above-mentioned embodiment, second heat dissipation section and voice coil motor fixed connection, the first aspect makes the extension extend as far as, increases its heat radiating area, and on the other hand makes vapor chamber and a plurality of parts realize being connected, strengthens whole vapor chamber's installation fastness and stability.

In a second aspect, an embodiment of the present application provides an electronic device, including the camera module according to the foregoing embodiment.

Based on electronic device in this application embodiment, because possess above-mentioned embodiment the camera module, camera module is at the during operation, its inside heat can be dispelled fast, not only can not influence optical components's operating condition among the camera module, the difficult condition that sends out the boiling hot of appearing of camera module, electronic device is difficult for sending out the boiling hot, is of value to the experience sense when promoting the user and using electronic device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a camera provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a camera provided in accordance with another embodiment of the present application;

FIG. 3 is a cross-sectional view of a camera provided in accordance with yet another embodiment of the present application;

fig. 4 is a block diagram of an electronic device according to an embodiment of the present application.

Reference numerals: 1. an electronic device; 10. a camera module; 100. a vapor chamber; 110. an installation part; 111. a first surface; 120. an extension portion; 121. a first heat dissipation section; 122. a second heat dissipation section; 200. a heat generating member; 210. an image sensor; 220. a circuit board; 300. a voice coil motor; 400. a lens group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.

In the related art, heat generating members such as an image sensor and a circuit board inside an electronic device are directly bonded and fixed to a reinforcing plate, which results in poor heat dissipation effects of the image sensor and the circuit board. For example, the image sensor and the circuit board are arranged in the camera, and the circuit board and the lens group enclose a relatively closed space, the image sensor and the circuit board are arranged in the space, and when the image sensor and the circuit board work, heat generated by the image sensor and the circuit board is difficult to radiate out from the relatively closed space, so that the heat radiation effect of the camera is poor.

The soaking plate is used as a heat dissipation structure and has a good heat dissipation effect. Specifically, the substrate of the vapor chamber can be made of a copper material with high heat conduction efficiency, a vacuum heat dissipation flow channel is further arranged inside the vapor chamber, the heat dissipation flow channel is filled with a liquid working medium, and the wall surface of the heat dissipation flow channel is provided with a capillary structure. When heat is conducted to the liquid working medium from the heat source, the liquid working medium in the cavity is heated and gasified in the environment with low vacuum degree, absorbs heat energy and rapidly expands to fill the whole heat dissipation flow channel, and when the gas-phase working medium contacts a relatively cold area, the condensation phenomenon is generated. The heat accumulated during evaporation is released by means of the condensation phenomenon, the condensed cooling liquid returns to the evaporation heat source by means of the capillary structure, so that the liquid working medium circulates in the heat dissipation flow channel to carry out gas-liquid conversion to take away the heat generated by the heat source, and the vapor chamber in the related technology can be designed to be light and thin, so that the vapor chamber is considered to be connected with the image sensor and the circuit board to take away the heat generated by the image sensor and the circuit board in the embodiment of the application.

Referring to fig. 1, in a first aspect, the present embodiment provides a camera module 10, including a heat generating member 200 and a soaking plate 100;

the soaking plate 100 includes a mounting part 110 and an extension part 120, the mounting part 110 has a first surface 111, the first surface 111 is used for connecting with the heating element 200, the extension part 120 is connected with the mounting part 110, and the extension part 120 is bent to increase the heat dissipation area of the extension part 120.

The soaking plate 100 of the embodiment of the application, the installation part 110 is used as the installation carrier of the heating part 200, and is directly attached to the heating part 200, so that a large amount of heat generated in the operation process of the heating part 200 can be taken away, the situation that the heating part 200 is not easy to generate high temperature and is not bad or is burnt out due to high temperature is facilitated when the heating part 200 operates, the normal operation of the heating part 200 is kept, and the service life of the heating part 200 is prolonged. The extension part 120 is further provided on the mounting part 110, so that the heat dissipation area of the soaking plate 100 can be effectively increased, and the heat dissipation efficiency can be improved.

Referring to fig. 2, in one embodiment, the heat generating member 200 is a circuit board 220, the circuit board 220 is mounted on the first surface 111, the image sensor 210 is mounted on a side of the circuit board 220 away from the first surface 111, and the mounting portion 110 directly contacts the circuit board 220 for removing heat generated by the circuit board 220 during operation.

Referring to fig. 3, in another embodiment, the heat generating member 200 includes a circuit board 220 and an image sensor 210, the circuit board 220 is mounted on the first surface 111, a through hole is formed in the middle of the circuit board 220, the soaking plate 100 is located at the through hole and is fixedly mounted on the first surface 111, and the image sensor 210 contacts the soaking plate 100 from the through hole of the circuit board 220, so that the image sensor 210 and the circuit board 220 can be directly attached to the soaking plate, heat generated by the operation of the image sensor can be better dissipated, and the heat dissipation efficiency of the heat generating member is improved.

Fig. 1 is a cross-sectional view of the camera module 10 when the first heat dissipation section 121 and the second heat dissipation section 122 are both disposed perpendicular to the first surface 111, the extension portion 120 includes a first heat dissipation section 121 connected to the mounting portion 110 and a second heat dissipation section 122 connected to the first heat dissipation section 121, and the first heat dissipation section 121 and the second heat dissipation section 122 are both disposed perpendicular to the first surface 111 and surround the periphery of the heat generating element 200. The extension part 120 is divided into a first heat dissipation section 121 and a second heat dissipation section 122, and the second heat dissipation section 122 directly extends on the original basis of the first heat dissipation section 121, so that the contact area of the whole soaking plate 100 and air is increased, the improvement of the heat dissipation effect of the whole soaking plate 100 is facilitated, and the heat dissipation of the heating element 200 is accelerated. The first heat dissipation section 121 and the second heat dissipation section 122 may be of a square tube structure or a cylinder structure, and the first heat dissipation section 121 is attached to the periphery of the heat generating element 200.

The bending arrangement of the extension portion 120 means that the first heat dissipation section 121 and the second heat dissipation section 122 are both bent to form a square tube structure or a cylinder structure.

Fig. 2 and fig. 3 are cross-sectional views of the camera module 10 when the second heat dissipation section 122 is disposed parallel to the first surface 111, the extension portion 120 includes a first heat dissipation section 121 connected to the mounting portion 110 and a second heat dissipation section 122 connected to the first heat dissipation section 121, the first heat dissipation section 121 is disposed perpendicular to the first surface 111, the second heat dissipation section 122 is disposed parallel to the first surface 111, and the second heat dissipation section 122 is attached to one side of the heat generating member 200 away from the first surface 111.

Based on the above embodiment, the extension portion 120 is divided into the first heat dissipation section 121 and the second heat dissipation section 122, the first heat dissipation section 121 can drive the second heat dissipation section 122 to extend to increase the heat dissipation area, the effective extension of the extension portion 120 is realized by this way, and on the basis of increasing the heat dissipation area of the soaking plate 100, the second heat dissipation section 122 and the heating element 200 installed on the installation portion 110 are located on the same side of the installation portion 110, so that the installation space is fully utilized, and the structure is compact; meanwhile, the second heat dissipation section 122 is attached to the surface of the heating element 200, so that the contact area between the soaking plate 100 and the heating element 200 is increased, and the soaking plate 100 can better take away heat generated when the heating element 200 operates.

The first heat dissipation section 121 may be a square tube structure or a cylindrical structure, the periphery of the attached circuit board 220 is disposed, the second heat dissipation section 122 is a plate-shaped structure, the attached circuit board 220 is disposed, and the bending of the extension portion 120 means that the connection between the first heat dissipation section 121 and the second heat dissipation section 122 is bent.

In some embodiments, the mounting portion 110 and the extension portion 120 are made of the same material, and the mounting portion 110 and the extension portion 120 are integrally formed.

Based on the above embodiment, the mounting portion 110 is directly integrated with the extension portion 120, which improves the structural strength and integrity of the entire soaking plate 100.

In some embodiments, heat dissipation channels are respectively disposed in the vapor chamber 100, and heat transfer media are disposed in the heat dissipation channels; a first heat dissipation channel is disposed in the first heat dissipation section 121, a second heat dissipation channel is disposed in the second heat dissipation section 122, and a third heat dissipation channel is disposed in the mounting portion 110, and the heat dissipation channels may be mutually connected or mutually independent.

Based on the above embodiments, the heat dissipation channels are disposed inside the soaking plate 100, and the heat dissipation efficiency of the soaking plate 100 can be further adjusted by changing the lengths of the heat dissipation channels.

In some embodiments, a thermal conductive adhesive layer 500 is disposed between the soaking plate 100 and the heat generating member 200, and the thermal conductive adhesive layer 500 is used to fix the soaking plate 100 on the heat generating member 200.

Based on above-mentioned embodiment, set up heat conduction glue film 500 between soaking plate 100 and the piece 200 that generates heat, the first aspect, can strengthen soaking plate 100 and the fastness of being connected between the piece 200 that generates heat, soaking plate 100 is difficult for breaking away from the piece 200 that generates heat, and the second aspect utilizes the good characteristic of heat conduction performance of heat conduction glue film 500, and the heat that the piece 200 that generates heat produced can be better transmits to soaking plate 100 when making, improves the radiating efficiency of the piece 200 that generates heat.

In some embodiments, the camera module 10 further includes a voice coil motor 300, the voice coil motor 300 is disposed on a side surface of the heat generating member 200 away from the mounting portion 110, and when the first heat dissipating section 121 and the second heat dissipating section 122 are both disposed perpendicular to the first surface 111, the second heat dissipating section 122 is disposed on the periphery of the voice coil motor 300 and is fixedly connected to the voice coil motor 300.

Based on the above embodiments, the second heat dissipating section 122 is fixedly connected to the voice coil motor 300, and on the one hand, the extending portion 120 is extended as much as possible to increase the heat dissipating area thereof, and on the other hand, the heat spreader 100 is connected to a plurality of components, so as to enhance the mounting firmness and stability of the whole heat spreader 100.

In some embodiments, the second heat dissipation section 122 may be attached to other components and fixedly connected thereto, which may also achieve effective extension of the second heat dissipation section 122 and enhance the mounting stability of the heat spreader 100.

Specifically, the camera module 10 is a Fixed Focus camera (FF) or an Auto Focus camera (AF).

Referring to fig. 4, in a second aspect, an embodiment of the present application provides an electronic device 1 including the camera module 10 of the foregoing embodiment.

Based on electronic device 1 in the embodiment of this application, because possess the camera module 10 of above-mentioned embodiment, camera module 10 can dispel fast at the during operation, and not only can not influence the operating condition of optical components in the camera module 10, the condition that camera module 10 is difficult for appearing sending out boiling hot, and electronic device 1 is difficult for sending out boiling hot, is of value to the experience sense when promoting user's use electronic device 1.

Specifically, the electronic device 1 may be a mobile phone, a tablet computer, a notebook computer, or the like.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.

Claims

1. The utility model provides a camera module which characterized in that includes:

a heat generating member;

the soaking plate, the soaking plate includes installation department and extension, the installation department has the first surface, the first surface with the piece that generates heat is connected, the extension with the installation department is connected, the extension is buckled and is set up in order to increase the heat radiating area of extension.

2. The camera module according to claim 1, wherein the extension portion includes a first heat dissipation section connected to the mounting portion and a second heat dissipation section connected to the first heat dissipation section, and the first heat dissipation section and the second heat dissipation section are perpendicular to the first surface and are disposed around the heat generating member.

3. The camera module according to claim 1, wherein the extension portion includes a first heat dissipation section connected to the mounting portion and a second heat dissipation section connected to the first heat dissipation section, the first heat dissipation section is perpendicular to the first surface, the second heat dissipation section is parallel to the first surface, and the second heat dissipation section is attached to one side of the heating member away from the first surface.

4. The camera module of claim 1, wherein the mounting portion is integrally formed with the extension portion.

5. The camera module according to claim 1, wherein a heat dissipation channel is disposed in the soaking plate, and a heat transfer medium is disposed in the heat dissipation channel.

6. The camera module according to claim 1, wherein a heat conductive adhesive layer is disposed between the soaking plate and the heating member, and the heat conductive adhesive layer is used for fixing the soaking plate on the heating member.

7. The camera module according to claim 1, wherein the heat generating member comprises an image sensor and a circuit board.

8. The camera module of claim 7, wherein the circuit board has a through hole, and the image sensor is disposed in the through hole and directly contacts the mounting portion of the soaking plate.

9. The camera module according to claim 2, further comprising a voice coil motor, wherein the voice coil motor is disposed on a side surface of the heat generating member away from the mounting portion, and the second heat dissipating section is attached to the periphery of the voice coil motor and fixedly connected to the voice coil motor.

10. An electronic device, comprising the camera module according to any one of claims 1 to 9.