CN111929970B

CN111929970B - Electronic equipment and camera module thereof

Info

Publication number: CN111929970B
Application number: CN202010899059.4A
Authority: CN
Inventors: 谢从军
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2022-02-01
Anticipated expiration: 2040-08-31
Also published as: CN111929970A

Abstract

The application discloses electronic equipment and camera module thereof belongs to the communication equipment field, and camera module includes camera, supporting seat and cloud platform support, cloud platform support with supporting seat fixed connection, camera swing joint in cloud platform support, the supporting seat is equipped with the cavity, the cavity intussuseption is filled with cooling fluid, the supporting seat is heat conduction structure spare, the supporting seat orientation the surface subsides of camera are equipped with first heat conduction medium layer, first heat conduction medium layer with the camera interval sets up. Above-mentioned technical scheme can solve the camera module heat dissipation difficulty that adopts the cloud platform anti-shake at present, influences camera module life's problem.

Description

Electronic equipment and camera module thereof

Technical Field

This application belongs to communication equipment technical field, concretely relates to electronic equipment and camera module thereof.

Background

With the progress of science and technology, the popularity of electronic devices is higher and higher. Electronic devices are often provided with a camera module to facilitate the shooting of images and videos by users. Present electronic equipment generally sets and has set the anti-shake function to promote image quality, the anti-shake mode includes optics anti-shake, electron anti-shake and cloud platform anti-shake etc. to the camera module that adopts cloud platform anti-shake, need install the camera unsettled on the cloud platform supporting seat usually, make the camera possess the ability of relative cloud platform supporting seat motion with the help of actuating mechanism, realize cloud platform anti-shake purpose. However, because the power consumption of the camera is high, the heat of the camera is difficult to be dissipated out of the camera module, and the service life of the camera module is seriously influenced.

Disclosure of Invention

The application discloses electronic equipment and camera module thereof can solve the camera module heat dissipation difficulty that adopts the cloud platform anti-shake at present, influences camera module life's problem.

In order to solve the above problem, the embodiments of the present application are implemented as follows:

in a first aspect, an embodiment of the application provides a camera module, it includes camera, supporting seat and cloud platform support, cloud platform support with supporting seat fixed connection, camera swing joint in cloud platform support, the supporting seat is equipped with the cavity, the cavity intussuseption is filled with cooling fluid, the supporting seat is heat conduction structure spare, the supporting seat orientation the surface subsides of camera are equipped with first heat-conducting medium layer, first heat-conducting medium layer with the camera interval sets up.

In a second aspect, an embodiment of the present application provides an electronic device, which includes the above camera module.

In the camera module disclosed in the application, cloud platform support is fixed with the supporting seat, and camera swing joint coats in the supporting seat and sets up towards the first heat-conducting medium layer and the camera interval on the surface of camera in cloud platform support, and then makes the camera can be relative supporting seat activity to realize the purpose of cloud platform anti-shake. And, because the supporting seat is equipped with first heat-conducting medium layer towards a side surface of camera, can promote the heat exchange efficiency between camera and the supporting seat, make the camera can be more fast with the heat transfer of self to the supporting seat, the supporting seat is equipped with the cavity, the cavity intussuseption is filled with cooling fluid, cooling fluid can absorb the heat that the camera produced on the one hand, on the other hand can also be through flowing, make everywhere temperature on the camera comparatively even, and all be in lower level, and make the heat distribute to the camera module outside from the supporting seat, prevent that the temperature of camera and camera module is too high, guarantee that camera module has higher life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a camera module disclosed in an embodiment of the present application;

fig. 2 is another schematic structural diagram of a camera module disclosed in the embodiment of the present application;

fig. 3 is an enlarged view of a partial structure of the camera module disclosed in the embodiment of the present application.

Description of reference numerals:

100-camera,

200-supporting seat, 210-supporting part, 220-surrounding retaining part, 230-cavity,

300-tripod head support

410-a first heat-conducting medium layer, 420-a second heat-conducting medium layer, 430-an attachment net,

500-pyrolytic graphite heat-conducting sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the present application discloses a camera module, which includes a camera 100, a supporting base 200 and a holder 300, and the camera module can be applied to an electronic device.

The parameters such as the focal length and the pixels of the camera 100 may be determined according to actual requirements, and are not limited herein. The supporting seat is 200 and is heat conduction structure spare, and supporting seat 200 can adopt heat conduction hard material such as metal, silicon or graphite to make to guarantee that supporting seat 200 can provide stable supporting role for whole camera module, the size and the shape of supporting seat 200 can be confirmed according to actual demand.

Cloud platform support 300 and supporting seat 200 fixed connection, cloud platform support 300 can adopt stereoplasm structures such as plastics or metal to form, cloud platform support 300 can be through modes such as welding or bonding fixed connection on supporting seat 200, cloud platform support 300 is as the supporting structure of camera 100, can provide certain guard action for camera 100 on the one hand, on the other hand can also be as actuating mechanism's installation basis, install at cloud platform support 300 through making actuating mechanism, and make actuating mechanism's drive head be connected with camera 100, make camera 100 can swing joint on cloud platform support 300. Under the condition that the camera module shakes, the driving mechanism can make up the adverse effect of shaking on the shot picture by driving the camera 100, and the purpose of preventing the holder from shaking is achieved. Specifically, the driving mechanism is a motor, an electro-deformation member or an electromagnetic driving structure. The camera 100, the driving mechanism and other components can be connected with the main board of the electronic device through the electric connection module, so that the purposes of information and instruction interaction, energy supply and the like are achieved.

The support base 200 may be a plate-shaped structure, and a receiving structure is formed by connecting the support base 200 and the pan/tilt/zoom support 300 to mount the camera 100. The supporting base 200 is provided with a cavity 230, the cavity 230 is filled with cooling fluid, and the total amount of heat that can be absorbed by the parts of the camera module except the camera 100 is further increased by filling the cavity 230 of the supporting base 200 with cooling fluid and absorbing the heat of the camera 100 by means of the cooling fluid.

In addition, in the working process of the camera module, the heat absorbed by the cooling fluid can be transferred to the outside of the camera module through the supporting base 200. In addition, in the use process of the camera module, because the orientation and the position of the camera module are changed, the cooling fluid flows in the cavity 230, so that the part with higher temperature in the cooling fluid and the part with lower temperature can be doped with each other, the temperature of any part of the cooling fluid is relatively average, and the overall heat absorption capacity of the cooling fluid is further improved; meanwhile, in the flowing process of the cooling fluid, the cooling fluid can flow to the lower temperature area in the support base 200, so that the heat is dissipated out of the camera module through the lower temperature area in the support base 200, and the heat dissipation efficiency of the camera module is further improved.

Specifically, the shape and size of the cavity 230 may be determined according to actual conditions, and the cooling fluid may be alcohol, glycerin, glycol, or the like, and may fill the cavity 230 with the cooling fluid.

The surface of the supporting base 200 facing the camera 100 is attached with a first heat-conducting medium layer 410, the first heat-conducting medium layer 410 may be formed by heat-conducting glue, heat-conducting gel or heat-conducting silicon, and the first heat-conducting medium layer 410 may be fixed on the surface of the supporting base 200 facing the camera 100 by coating or bonding.

Further, the surface of the support base 200 facing the camera 100 can be covered by the first heat-conducting medium layer 410, in this case, the heat transfer efficiency can be increased at each position of the surface of the support base 200 facing the camera 100 by means of the first heat-conducting medium layer 410, it is ensured that each position of the camera 100 has higher heat dissipation efficiency, the temperature at each position of the camera 100 is relatively average, and it is further ensured that the camera 100 has higher service life.

More specifically, the thickness of the first heat-conducting medium layer 410 may be determined according to actual conditions; moreover, the size of the space between the first heat-conducting medium layer 410 and the camera head 100 can also be determined according to the actual conditions such as the size and the movement amplitude of the camera head 100, so that the camera head 100 can move relative to the support base 200.

In the camera module disclosed in the present application, cloud platform support 300 and supporting seat 200 fixed connection, camera 100 swing joint coats in supporting seat 200 and sets up towards the first heat-conducting medium layer 410 and the camera 100 interval on camera 100's surface on cloud platform support 300, and then makes camera 100 can be relative supporting seat 200 activity to realize the purpose of cloud platform anti-shake. And, because supporting seat 200 is equipped with first heat-conducting medium layer 410 towards one side surface of camera 100, can promote the heat exchange efficiency between camera 100 and the supporting seat 200, make camera 100 can be faster with self heat transfer to supporting seat 200, supporting seat 200 is equipped with cavity 230, the intussuseption of cavity 230 is filled with cooling fluid, cooling fluid can absorb the heat that camera 100 produced on the one hand, on the other hand can also be through flowing, make camera 100 go up everywhere the temperature comparatively even, and all be in lower level, and make the heat distribute to the camera module outside from supporting seat 200, prevent that the temperature of camera 100 and camera module is too high, guarantee that camera module has higher life.

Optionally, the pan/tilt. Specifically, the holder 300 may also be made of metal, silicon, graphite, or other materials.

Optionally, the supporting base 200 is a metal structure, so that the heat conduction efficiency of the supporting base 200 is relatively high while the supporting base 200 can provide a high protection effect for the camera 100. Optionally, cloud platform support 300 also is metallic structure spare to further promote the guard action to camera 100, guarantee that the structural strength of whole camera module is higher, and can promote cloud platform support 300 to camera 100 on thermal derivation efficiency. In the case that the holder 300 and the support base 200 are made of metal materials, optionally, the holder 300 and the support base 200 may be fixedly connected by welding, or the holder 300 may be fixed to the support base 200 by using a heat-conducting adhesive.

Optionally, the supporting seat 200 includes a supporting portion 210 and a surrounding portion 220, the surrounding portion 220 is an annular structural member, the supporting portion 210 is connected to one end of the surrounding portion 220, the supporting portion 210 is connected to the surrounding portion 220 to form an installation space, the cradle head support 300 and at least a portion of the camera 100 are both disposed in the installation space, the first heat-conducting medium layer 410 is disposed on the surface of the supporting portion 210 facing the camera 100, and the cradle head support 300 and the surrounding portion 220 are attached to each other.

Under the condition of adopting above-mentioned technical scheme, enclose fender portion 220 and supporting part 210 and can provide installation space for cloud platform support 300 and camera 100, and can provide certain guard action for cloud platform support 300 and camera 100 with the help of supporting part 210 and enclose fender portion 220. Through making cloud platform support 300 with enclose fender portion 220 laminating setting for cloud platform support 300 with enclose the area of contact between fender portion 220 great relatively, thereby guarantee that cloud platform support 300 and enclose the heat transfer efficiency between fender portion 220 higher relatively, the heat of camera 100 can spread out to the camera module outside through first heat-conducting medium layer 410 self-supporting portion 210, can also spread out to the camera module outside from enclosing fender portion 220 through cloud platform support 300.

Specifically, the supporting portion 210 and the surrounding portion 220 may be made of metal materials, and the surrounding portion 220 and the supporting portion 210 may be fixedly connected by welding, or the two portions may be fixed to each other by a heat conducting adhesive. Optionally, the supporting portion 210 and the surrounding portion 220 are of a unitary structure. Under the circumstances, the fixed relation between the supporting portion 210 and the surrounding portion 220 is reliable, the heat transfer efficiency between the supporting portion 210 and the surrounding portion 220 is relatively high, the processing difficulty of the supporting seat 200 can be reduced to a certain extent, and the processing efficiency is improved. Specifically, the supporting portion 210 and the surrounding portion 220 may be formed by integrally die-casting a metal material, and both shapes and sizes of the supporting portion and the surrounding portion may be determined according to actual situations.

Enclose fender portion 220 and can be prismatic surface column structure, also can be cylindrical surface column structure, do not do the injecion here, and can make the shape of cloud platform support 300 and enclose fender portion 220 looks adaptation, guarantee to have better laminating effect between the two. The pan/tilt stand 300 may be fixedly coupled to at least one of the support portion 210 and the enclosure portion 220.

Further, under the condition that encloses fender portion 220 and cloud platform support 300 laminating setting, can also make supporting part 210 also contact each other with cloud platform support 300 to further promote cloud platform support 300's heat conduction efficiency. In order to further improve the heat transfer efficiency between the support portion 210 and the cradle head support 300, a material such as a thermal conductive adhesive may be disposed between the support portion 210 and the cradle head support 300, so as to ensure a reliable fixing relationship between the support portion 210 and the cradle head support 300, and have good thermal conductivity.

Optionally, the camera module further includes a second heat-conducting medium layer 420, and the second heat-conducting medium layer 420 is located between the pan/tilt/zoom bracket 300 and the enclosure portion 220. Adopt under the circumstances of above-mentioned technical scheme, can make cloud platform support 300 and enclose the laminating effect between fender portion 220 better to can further promote the heat between the cloud platform and enclose the efficiency of the transmission between fender portion 220. Further, the size of the second heat-conducting medium layer 420 can be enlarged, so that a part of the second heat-conducting medium layer 420 is clamped at any position between the holder 300 and the enclosure portion 220, and a high heat-conducting efficiency is ensured between any position of the holder 300 and the enclosure portion 220. Specifically, the second heat-conducting medium layer 420 may be a heat-conducting glue or a heat-conducting gel, so that when the second heat-conducting medium layer 420 improves the heat transfer efficiency between the cradle head 300 and the enclosure portion 220, the stability of the fixed relationship between the cradle head 300 and the enclosure portion 220 may also be improved.

Further, the cavity 230 of the support base 200 may include a first portion and a second portion, the first portion and the second portion are communicated with each other, the first portion is located at the support portion 210, and the second portion is located at the surrounding portion 220, in this case, the flowing range of the cooling fluid may be further expanded, so as to further improve the heat dissipation efficiency of the camera head 100.

Based on the above embodiment, optionally, the cooling fluid comprises a volatile substance and a gas, that is, the volatile substance does not fill the cavity 230, and another portion of the cavity 230 is filled with the gas. In the above embodiment, as the temperature of the camera 100 increases, the supporting base 200 and the pan/tilt/zoom holder 300 can both absorb the heat of the camera 100, and under the condition that the temperature of the supporting base 200 increases, the volatile substance filled in the cavity 230 of the supporting base 200 can absorb the heat of the supporting base 200, and the volatile substance is converted from a liquid state to a gaseous state, so that the heat on the supporting base 200 is reduced, and further the supporting base 200 can continue to absorb the heat on the camera 100, thereby further improving the heat dissipation efficiency of the supporting base 200 and the whole camera module.

In addition, because cavity 230 intussuseption is filled with gas, after volatile substance turns into the gaseous state from liquid, can remove in cavity 230, when gaseous volatile substance removes the region department of the relatively low temperature in supporting part 210, can liquefy through exothermic mode, thereby make gaseous volatile substance continue to turn into liquid, thereby in the follow-up course of work of camera module, continue to absorb the heat, and turn into the gaseous state from liquid, and, gaseous volatile substance still can continue to liquefy through exothermic, the circulation is reciprocal, provide the radiating effect for camera 100. Specifically, the gas may be air, or the gas may also be a gas such as nitrogen or helium which is relatively inert in chemical properties; the volatile substance may be alcohol or water, which is relatively easy to transform from liquid to gas, and of course, the volatile substance may be other materials. Further, a substance that is relatively easily transformed from a gas state to a liquid state may be selected as the volatile substance to be filled in the cavity 230.

Optionally, the cradle 200 may further include an attachment net 430, the attachment net 430 being disposed within the cavity 230. In the case where the attachment net 430 is provided in the cavity 230, the rate of liquefaction of the gaseous volatile substance can be increased, and the difficulty of the liquid state of the gaseous volatile substance can be reduced. Specifically, the attachment net 430 may be made of a hard material, and further, the attachment net 430 may be made of a material having a good heat conduction effect, for example, the attachment net 430 may be made of a metal material such as copper, so that the attachment net 430 may have a good heat conduction performance and may also prevent the attachment net 430 from being corroded.

In the case where the cavity 230 is filled with a gas, the pressure in the cavity 230 is slightly less than the atmospheric pressure to ensure that the support portion 210 is pressed after the liquid volatile substance is converted into the gas. Of course, in the case that the size of the cavity 230 is relatively small and/or the structural strength of the supporting base 200 is relatively large, the air pressure in the cavity 230 may be equal to the atmospheric pressure, so as to reduce the processing difficulty.

Optionally, a pyrolytic graphite heat conducting sheet 500 is attached to a side surface of the supporting seat 200 facing away from the camera 100, so that the efficiency of transferring heat out of the camera module can be further improved. The Pyrolytic Graphite heat conducting Sheet 500 is a Sheet-shaped heat conducting structure made of Pyrolytic Graphite (PGS), and can be mounted on a side surface of the supporting seat 200 away from the camera 100 in an attaching manner or the like. Further, the pyrolytic graphite heat-conducting sheet 500 can be adhered to the surface of the support seat 200 by means of materials such as heat-conducting glue, so that the thermal transmission efficiency is further improved while the higher fixing effect is ensured between the pyrolytic graphite heat-conducting sheet 500 and the support seat 200. Specifically, can make pyrolytic graphite conducting strip 500 cover the surface that supporting seat 200 deviates from camera 100, promote pyrolytic graphite conducting strip 500's heat radiating area on the one hand, on the other hand can also guarantee that the heat transfer efficiency of arbitrary position department is all relatively higher on supporting seat 200.

The electronic device disclosed by the embodiment of the application can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the electronic device may also be other devices, which is not limited in this embodiment of the application.

In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The camera module is characterized by comprising a camera (100), a supporting seat (200) and a holder support (300), wherein the holder support (300) is fixedly connected with the supporting seat (200), the camera (100) is movably connected with the holder support (300), the supporting seat (200) comprises a supporting part (210) and a blocking part (220), the blocking part (220) is an annular structural part, the supporting part (210) is connected with one end of the blocking part (220), the supporting part (210) is connected with the blocking part (220) to form an installation space, the holder support (300) and at least part of the camera (100) are arranged in the installation space, the holder support (300) is attached with the blocking part (220), the supporting seat (200) is provided with a cavity (230), and the cavity (230) comprises a first part and a second part which are communicated with each other, the first portion is located supporting part (210), the second portion is located enclose fender portion (220), cavity (230) intussuseption is filled with cooling fluid, cooling fluid includes volatile substance and gas, supporting seat (200) are heat conduction structure spare, supporting part (210) orientation the surface subsides of camera (100) are equipped with first heat-conducting medium layer (410), first heat-conducting medium layer (410) with camera (100) interval sets up.

2. The camera module according to claim 1, wherein the pan/tilt support (300) is a thermally conductive structure.

3. The camera module according to claim 1, further comprising a second layer of heat-conducting medium (420), wherein the second layer of heat-conducting medium (420) is located between the pan and tilt head holder (300) and the enclosure (220).

4. The camera module of claim 1, wherein the support base (200) further comprises an attachment net (430), and the attachment net (430) is disposed in the cavity (230).

5. The camera module according to claim 1, wherein a pyrolytic graphite heat conducting sheet (500) is attached to a surface of the support base (200) facing away from the camera (100).

6. The camera module according to claim 1, wherein at least one of the support base (200) and the pan/tilt/holder support (300) is a metallic structural member.

7. An electronic device, comprising the camera module of any one of claims 1-6.