CN108934150A - Shell assembly and electronic equipment - Google Patents

Abstract

The embodiment of the present application provides a housing assembly and an electronic device, wherein the housing assembly includes a middle frame and a metal heat conductive sheet, wherein the metal heat conductive sheet is suitable for assembly and connection with the middle frame, and the metal heat conductive sheet includes a first heat conductive portion and a second heat conductive portion. The electronic device is provided with a metal heat conductive sheet, and the metal heat conductive sheet is provided with a first heat conductive portion and a second heat conductive portion, so that the heat generated by the electronic device is evenly dispersed through the first heat conductive portion and the second heat conductive portion, so as to reduce the temperature of the heat-generating area, increase the operating speed of the electronic device, and improve the control experience.

Description

Housing components and electronics

technical field

The present application relates to the technical field of electronic equipment, in particular to a housing assembly and electronic equipment.

Background technique

When the existing electronic equipment is working, various electrical components will generate a lot of heat, causing the electronic equipment to freeze. At the same time, after a large amount of heat, it becomes difficult for the user to hold it. Therefore, it is urgent to improve the heat dissipation effect of the electronic equipment.

Contents of the invention

The purpose of the present application is to provide a casing assembly and an electronic device, so as to improve the heat dissipation effect of the casing assembly and the electronic device.

In the first aspect, the embodiment of the present application provides a housing assembly, the housing assembly includes a middle frame and a metal heat conduction sheet, the metal heat conduction sheet is suitable for assembly connection with the middle frame, and the metal heat conduction sheet includes a first heat conduction part and a second heat conduction department.

In the second aspect, the embodiment of the present application provides an electronic device, including a middle frame, a first heating component, a second heating component, a metal heat conducting sheet, and a rear cover, the first heating component is installed in the middle frame, and the second heating component Installed in the middle frame, the metal heat conduction sheet is assembled and connected to the middle frame, the metal heat conduction sheet includes a first heat conduction part and a second heat conduction part, the first heat conduction part contacts and covers the first heating component, and the second heat conduction part contacts and covers the second heat generating component , the back cover is located on one side of the metal heat conducting sheet, and is assembled and connected with the middle frame.

The housing assembly and the electronic device provided by the present application are provided with a metal heat conduction sheet, and the metal heat conduction sheet is provided with a first heat conduction part and a second heat conduction part, so that the heat generated by the electronic device is uniform through the first heat conduction part and the second heat conduction part Dispersion to reduce the temperature of heat-generating areas, increase the speed of electronic equipment, and improve the handling experience.

These or other aspects of the present application will be more concise and understandable in the description of the following embodiments.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic diagram of a disassembled structure of a housing assembly provided in the first embodiment of the present application;

Fig. 2 is a schematic structural diagram of the metal heat conducting sheet provided by the first embodiment of the present application

Fig. 3 is a partial sectional view along line A-A in Fig. 2;

Fig. 4 is a schematic diagram of the disassembled structure of the housing assembly provided by the second embodiment of the present application;

Fig. 5 is a schematic partial cross-sectional view of the connection part provided by the second embodiment of the present application;

Fig. 6 is a schematic cross-sectional structural view of the housing assembly provided in the second embodiment of the present application in an assembled state;

FIG. 7 is a schematic diagram of a partial structure of an electronic device provided in a third embodiment of the present application;

FIG. 8 is a partial cross-sectional view of the electronic device in FIG. 7 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

With the rapid development of electronic equipment (such as mobile terminals), the assembly structure of electronic equipment is more compact, and components such as motherboards, processors, and batteries will generate a lot of heat when they are working. If the heat is not dissipated in time, it will make the motherboard The temperature of the respective areas such as the processor, the battery, etc. rises sharply, which affects the running speed of the processor and the control experience. Therefore, the inventor proposes the casing assembly and the electronic device in the embodiments of the present application. Various embodiments of the present application will be described in detail below with reference to the accompanying drawings.

first embodiment

Referring to Fig. 1, this embodiment provides a housing assembly 20a, the housing assembly 20a includes a middle frame 100 and a metal heat conduction sheet 200a, wherein the middle frame 100 includes a mounting part 120 and a frame 110, the frame 110 is ring-shaped, and the mounting The installation part 120 is assembled on the frame 110 and located inside the frame 110. The installation part 120 can be connected with the frame 110 by one-piece molding, glue dispensing or welding. The installation part 120 can be used to install various electrical components. The middle frame 100 is provided with an inner surface 123, and the inner surface 123 is used for arranging various electrical components.

Referring to FIG. 2 , the metal heat conducting sheet 200 a is made of a metal sheet, such as Cu, Al, Au, Fe and other metals or various types of alloys thereof. The metal heat conducting sheet 200 a is suitable for assembly and connection with the middle frame 100 , and the metal heat conducting sheet 200 a may be detachably connected to the middle frame 100 , or fixed to the middle frame 100 by dispensing glue.

The metal heat conduction sheet 200a includes a first heat conduction portion 210 and a second heat conduction portion 220, and the first heat conduction portion 210 and the second heat conduction portion 220 can respectively conduct heat conduction corresponding to different heating elements. In some embodiments, the first heat conduction part 210 and the second heat conduction part 220 can be integrally formed on the same metal sheet. In some other embodiments, the first heat conduction part 210 and the second heat conduction part 220 can be formed of independent metal sheets, and when assembled, the first heat conduction part 210 and the second heat conduction part 220 can be in contact with each other. Just conduct heat. In this embodiment, the size of the metal heat conducting sheet 200 a is slightly smaller than the plane area surrounded by the frame 110 of the middle frame 100 , and it can cover the main heating elements such as the motherboard and the power supply disposed on the middle frame 100 .

In this embodiment, the first heat conduction part 210 corresponds to the area where the main board is arranged in the middle frame 100, and is configured in the same configuration as the main board area, and is used for conducting the main board or the electrical components (such as processor, memory, etc.) generated heat. The second heat conduction part 220 corresponds to the area of the middle frame 100 where the battery is disposed, and is configured in the same configuration as the battery, for conducting heat generated during the operation of the battery. The first heat conduction part 210 and the second heat conduction part 220 are integrally connected.

2 and 3, the metal heat conducting sheet 200a has a first surface 201 and a second surface 202, and the first surface 201 and the second surface 202 are located on opposite sides of the metal heat conducting sheet 200a. The first heat conducting part 210 is provided with an assembly through hole 211 , and the assembly through hole 211 penetrates through the first surface 201 and the second surface 202 . The assembly through hole 211 can be used for protruding components such as a fingerprint module and a camera module. In some embodiments, only one or more assembly through holes 211 may be provided according to the arrangement requirements of each component. In some other implementation manners, the assembly through hole 211 may not be provided. In this embodiment, there is one assembly through hole 211 , which is used for the fingerprint module to protrude from the assembly through hole 211 .

During assembly, the first surface 201 of the metal heat conducting sheet 200a is bonded to the inner surface 123 of the middle frame 100 by glue. It is electrically connected with the metal heat conduction sheet 200 a, so that the charge generated in the metal heat conduction sheet 200 a can be transferred to the middle frame 100 . In some implementations, the metal heat conducting sheet 200a may also be connected to the grounding shrapnel and the middle frame 100 to be grounded.

The housing assembly 20a provided in this embodiment can be applied to electronic equipment, and its working principle is: the first heat conducting part 210 of the metal heat conducting sheet 200a can be attached to the first heating element of the electronic equipment and conduct the heat generated by the first heating element , the second heat conducting part 220 can be attached to the second heating element of the electronic device and conduct the heat generated by the second heating element. When the electrical components arranged on the inner surface 123 of the middle frame 100 generate heat, the heat is transferred to the metal heat conducting sheet 200a in time and diffused to the whole machine on the metal heat conducting sheet 200a, increasing the heat dissipation area and realizing rapid heat dissipation.

It can be understood that a heating element refers to an electrical element that generates heat during operation, such as a motherboard, a processor, a battery, and the like.

second embodiment

Referring to Fig. 4, Fig. 5 and Fig. 6, this embodiment provides a shell assembly 20b, the difference between the shell assembly 20b and the shell assembly 20b in the first embodiment is that the structure of the metal heat conducting sheet 200b is different, and the shell The assembly 20 b also includes a fixing part 500 , a front case 300 and a rear cover 400 . Refer to the first embodiment for the same parts.

Specifically, the metal heat conduction sheet 200b includes a heat conduction body 203 and a connection portion 230 connected to the heat conduction body 203 , the first heat conduction portion 210 and the second heat conduction portion 220 are provided on the heat conduction body 203 , and the connection portion 230 faces the heat conduction body 203 close to the first One side of the surface 201 protrudes, and the connecting portion 230 is used for connecting and fixing with the middle frame 100 .

In this embodiment, the connection part 230 includes a plurality of presser feet connected to the heat conducting body 203 , and a first fixing hole 244 is provided on the presser foot, and the first fixing hole 244 is provided through the presser foot and is used for fixing the presser foot. The connection position between the presser foot and the heat conduction body 203 can be the edge of the heat conduction body 203 , and can also be connected to the inner area of the heat conduction body 203 . Referring to FIG. 5 , the presser foot includes a first presser foot 250 and a second presser foot 240 , the first presser foot 250 is bent relative to the heat conduction body 203 , and the extension direction of the first presser foot 250 is between the first plane of the heat conduction body 203 A first included angle α is formed, and the first included angle α may be, for example, 90-150°. The second presser foot 240 is bent relative to the first presser foot 250 and connected to the first presser foot 250 .

The second presser foot 240 has a ground surface 243 for contacting and connecting with the inner surface 123 of the installation part 120 . The grounding surface 243 is located on a side of the second presser foot 240 facing the inner surface 123 of the middle frame 100 . In some implementations, the ground plane 243 may be arranged parallel to the first surface 201 , and when connected, the second presser foot 240 is completely attached to the inner surface 123 .

In this embodiment, the second presser foot 240 includes a first end 241 and a second end 242, wherein the first end 241 is connected to the first presser foot 250, and the second end 242 is tilted toward the heat conduction body 203 relative to the first end 241. From the start, the first fixing hole 244 is located between the first end 241 and the second end 242 , and in some embodiments, the axis of the first fixing hole 244 is arranged perpendicular to the first surface 201 . The advantage of this setting is that when the second presser foot 240 is attached to the inner surface 123 of the installation part 120 through the fixing part 500, the part of the second presser foot 240 that is bent relative to the first presser foot 250 is subject to greater elasticity. Deformation force, when the fixing member 500 is loose, the second presser foot 240 will have a tendency to recover and deform toward the second surface 202, so that the second presser foot 240 can always be in contact with the fixing member 500, ensuring that the second presser foot 240 fixed effect.

In some implementations, the metal heat conducting sheet 200b can be electrically connected to the middle frame 100 through the second presser foot 240 , so that the charge generated on the metal heat conducting sheet 200b can be transferred to the middle frame 100 to realize the grounding of the middle frame 100 . At this time, since the second presser foot 240 can maintain continuous contact with the fixing member 500 , the grounding effect can be ensured. This avoids grounding failure due to loss of contact between the second presser foot 240 , the inner surface 123 and the fixing member 500 after the fixing member 500 is loosened.

A second included angle β is formed between the extending direction of the second presser foot 240 and the extending direction of the first presser foot 250 , and β may be, for example, 15-90°. It can be understood that, in some other implementation manners, the axis direction of the first fixing hole 244 may also be set to be perpendicular to the ground plane 243 .

The fixing part 500 is mainly used to connect the connecting part 230 with the installation part 120. The fixing part 500 can be in the form of a screw, a screw or a pin, etc., for example. In some embodiments, when the connecting part 230 is grounded through the fixing part 500, the fixed The member 500 can be made of metal material, for example, and in some embodiments, the fixing member 500 can also be made of plastic or other materials. In this embodiment, the fixing member 500 is a screw.

Referring to FIG. 6 , the middle frame 100 is provided with a mounting portion 121 for mating connection with the connecting portion 230 . In this embodiment, the installation part 121 is formed on the sunken part 122 of the middle frame 100, and the sunken part 122 is formed by the inner surface 123 of the mounting part 120 being recessed downward, and the number of the sunken part 122 can be according to the number of the connecting parts 230 Correspondingly, at the same time, the setting position of the sinking part 122 corresponds to the position of the connecting part 230 . When assembling, the presser feet all extend into the sunken part 122 and connect with the middle frame 100 through the fixing part 500. This arrangement can hide the fixing part 500 in the sunken part 122, making the inner surface 123 of the middle frame 100 more smooth. Specifically, both the first presser foot 250 and the second presser foot 240 extend into the sinking portion 122, and the depth of the sinking portion 122 is preferably that the grounding surface 243 of the second presser foot 240 can just fit it, so that The first surface 201 of the metal heat-conducting sheet 200b can be more closely attached to the inner surface 123 . It can be understood that it is also feasible to set the depth of the sinking portion 122 to be deeper or shallower.

A second fixing hole 124 is provided in the sinking portion 122, and the second fixing hole 124 corresponds to and cooperates with the first fixing hole 244. The second fixing hole 124 allows the fixing member 500 to pass through and connect the second middle frame 100 and Presser foot connection. In some embodiments, the second fixing hole 124 may be configured as a blind hole, that is, it does not go through the mounting part 120 . In this embodiment, the second fixing hole 124 is a through hole and passes through the installation part 120 .

In some other embodiments, the middle frame 100 may not be provided with the sinking portion 122 , and at this time, the presser foot may be directly fixed to the inner surface 123 of the middle frame 100 through the fixing member 500 .

In some implementations, the inner surface 123 of the middle frame 100 will be used to arrange various types of electrical components, and there will be a certain gap between the electrical components. 123 for bonding. In order to make the metal heat-conducting sheet 200b fit closer to the inner surface 123 and achieve better heat-conducting effect, in this embodiment, the heat-conducting body 203 further includes a pressing part 260, which is opposite to the first heat-conducting part 210 And the second heat conducting part 220 protrudes toward the middle frame 100 . When the metal heat-conducting sheet 200 b is in contact with the electrical components disposed on the inner surface 123 , the pressing portion 260 can protrude from the gap between the electrical components and be attached to the inner surface 123 .

In this embodiment, please continue to refer to FIG. 6 , the pressing part 260 can also be fixed to the inner surface 123 of the installation part 120 by the fixing part 500 in the pressing part 260 , on the one hand, the pressing part 260 can be connected to the inner surface 123 The fit is tighter. On the other hand, it can also press the metal heat conducting sheet 200b and the electrical components tightly, prevent the electrical components from loosening, and better conduct the heat generated by the electrical components to the metal heat conducting sheet 200b and then to the electronic components. The casing of the device is lost. It can be understood that, in some implementations, the pressing portion 260 may not be fixed by the fixing member 500 , but only adheres to the inner surface 123 .

In this embodiment, the pressing portion 260 is located between the first heat conduction portion 210 and the second heat conduction portion 220. In this area, the inner surface 123 of the middle frame 100 is provided with fewer electrical components. Near the middle of the metal heat conducting sheet 200b, a better fixing effect can be achieved by arranging the pressing part 260 to abut and fix against the inner surface 123 .

The front case 300 is a part of the housing assembly 20b, and when applied to an electronic device, it is usually located directly in front of the electronic device. Taking a mobile phone as an example, the front case 300 refers to a part of the case of the mobile phone for setting a display screen. In this embodiment, the front case 300 is assembled and connected with the middle frame 100 . Specifically, the front case 300 is assembled on the side of the middle frame 100 opposite to the metal heat conducting sheet 200b. Referring to FIG. 6 , the front case 300 includes a front case frame 310 and a connecting member 320 , and the front case frame 310 has substantially the same structure as the frame 110 . The front case frame 310 is fastened with the frame 110 .

In some implementations, the connecting piece 320 can be made of metal material, such as magnesium-aluminum alloy. At this time, the fixing piece 500 can be connected to the connecting piece 320 through the second fixing hole 124 to realize electrical communication, so that the metal heat conducting sheet 200b, the middle frame 100 and the front case 300 are electrically connected, so that electric charges can be transferred between the metal heat conducting sheet 200b, the middle frame 100 and the front case 300 . In this embodiment, the connector 320 is provided with a third fixing hole 321, and the setting position of the third fixing hole 321 corresponds to the second fixing hole 124, and the third fixing hole 321 is connected to the first fixing hole 244 and the second fixing hole 124. Cooperating with each other, the fixing part 500 can be inserted, and the presser foot can be electrically connected with the connecting part 320 through the fixing part 500 .

The back cover 400 is used to bond with the metal heat conduction sheet 200b and assemble with the middle frame 100. The back cover 400 is plate-shaped and can be made of various materials such as metal, ceramics, glass, etc., and is arranged on one side of the metal heat conduction sheet 200b during assembly. And the metal heat conducting sheet 200b is pressed against the middle frame 100 .

The housing assembly 20b provided in this embodiment can be applied to the electronic device 10 as shown in FIG. 7 , which can evenly conduct and distribute the heat generated by the electrical components arranged in the middle frame 100 to the electronic device 10 to accelerate heat dissipation. the goal of.

third embodiment

7 and 8, this embodiment provides an electronic device 10, the electronic device 10 includes a middle frame 100, a first heating component 610, a second heating component 620, a metal heat conducting sheet 200, a camera module 30, a fingerprint module Group 700 and back cover 400. Wherein, the middle frame 100 is used for accommodating and installing the first heating component 610 and the second heating component 620 , and the rear cover 400 is assembled on the middle frame 100 . Both the fingerprint module 700 and the camera module 30 are assembled in the middle frame 100 , wherein the fingerprint module 700 can cooperate with the assembly through hole 211 .

In this embodiment, the specific structure of the middle frame 100 is the same as that of the first embodiment, and the structure of the metal heat conducting sheet 200 is the same as that of the second embodiment. For the same parts, please refer to the first embodiment or the second embodiment for details.

Specifically, in this embodiment, both the first heating component 610 and the second heating component 620 are assembled and connected to the inner surface 123 of the middle frame 100, and the first heating component 610 and the second heating component 620 are respectively a main board and a battery. It should be understood that , in some other implementation manners, the first heat generating component 610 and the second heat generating component 620 may also be a processor, a memory, and the like.

Wherein, the first heat conducting part 210 covers the first heating component 610, and the second heat conducting part 220 covers the second heating component 620. Covering here means that the first heat conducting part 210 or the second heat conducting part 220 is attached to the first heating component. 610 or the second heating component 620, so that the heat generated by the first heating component 610 can be quickly transferred to the first heat conducting part 210, and the heat generated by the second heating component 620 can be quickly transmitted to the second heat conducting part 220.

The rear cover 400 is plate-shaped and made of glass material. It is located on one side of the metal heat conduction sheet 200 and attached to the middle frame 100. Specifically, it is located on the side of the second surface 202 of the metal heat conduction sheet 200 and is attached to the middle frame. 100 bonds. In some other embodiments, the rear cover 400 can also be made of metal, ceramic, plastic and other materials, and it can also be assembled and formed with the middle frame 100 by means of welding or clamping.

In the electronic device provided in this embodiment, since the metal heat conducting sheet 200 is provided, when the first heat generating component 610 and/or the second heat generating component 620 generate heat, the first heat conducting part 210 and the second heat conducting part 220 can conduct heat to The metal heat conduction sheet 200 conducts heat to the whole machine through the metal heat conduction sheet 200 to expand the heat dissipation area and prevent the heat from being concentrated in a local area, causing the temperature of the local area of the electronic device to rise sharply and affect the control. At the same time, since the metal heat conduction sheet 200 is made of metal, it is arranged between the back cover 400 and the middle frame 100, which can enhance the strength of the back cover 400 and prevent the back cover 400 from being damaged in situations such as collisions and drops.

Exemplarily, the electronic device 10 may be any one of various types of computer system devices that are mobile or portable and perform wireless communication (only one form is exemplarily shown in FIG. 1 ). Specifically, the electronic device 10 can be a mobile phone or a smart phone (for example, based on iPhone TM, a phone based on Android TM), a portable game device (for example, Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), a laptop Computers, PDAs, portable Internet devices, music players and data storage devices, other handheld devices and such as watches, earphones, pendants, earphones, etc., electronic device 10 can also be other wearable devices (for example, such as electronic glasses, electronic head-mounted devices (HMD) for clothing, e-bracelets, e-necklaces, e-tattoos, electronic devices or smart watches).

Electronic device 10 may also be any of a number of electronic devices including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders , video recorders, cameras, other media recorders, radios, medical equipment, vehicle transport equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, personal digital assistants (PDAs), portable Multimedia players (PMP), Moving Picture Experts Group (MPEG-1 or MPEG-2) audio layer 3 (MP3) players, portable medical devices, and digital cameras and combinations thereof.

In some cases, electronic device 10 may perform multiple functions (eg, play music, display video, store pictures, and receive and send phone calls). If desired, electronic device 10 may be a portable device such as a cellular telephone, media player, other handheld device, wrist watch device, pendant device, earpiece device, or other compact portable device.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (12)

1. a kind of housing unit characterized by comprising

Center；And

Metal conducting strip, the metal conducting strip are suitable for leading with the center assembly connection, the metal conducting strip including first Hot portion and the second heat-conducting part.

2. housing unit according to claim 1, which is characterized in that the metal conducting strip includes heat-conductive body and company It is connected to the interconnecting piece of the heat-conductive body, first heat-conducting part and second heat-conducting part are set to the heat-conductive body, described Center is provided with mounting portion, and the interconnecting piece and the mounting portion are cooperatively connected.

3. housing unit according to claim 2, which is characterized in that the housing unit further includes fixing piece, the company Socket part includes multiple presser feets, and multiple presser feets are connected to the heat-conductive body, and the presser feet is anchored on by the fixing piece The mounting portion.

4. housing unit according to claim 3, which is characterized in that the presser feet includes the first presser feet and the second presser feet, The relatively described heat-conductive body bending of first presser feet, relatively described first presser feet of second presser feet bend and are connected to described First presser feet, second presser feet and the mounting portion are cooperatively connected.

5. housing unit according to claim 3, which is characterized in that the mounting portion includes being formed under the center Heavy portion, the presser feet are protruded into the sinking portion and are connect with the center.

6. housing unit according to claim 5, which is characterized in that the housing unit further includes front housing, the front housing It is assemblied in the center, the presser feet is electrically connected with the front housing.

7. housing unit according to claim 6, which is characterized in that the presser feet is provided with the first fixation hole, under described Heavy portion is provided with the second fixation hole, and first fixation hole and second fixation hole are corresponding, and the fixing piece passes through described the One fixation hole and the second location hole are simultaneously electrically connected with the front housing.

8. housing unit according to claim 5, which is characterized in that the heat-conductive body further includes pressure section, the pressure Relatively described first heat-conducting part of support and second heat-conducting part are protruded towards the center.

9. housing unit according to claim 8, which is characterized in that the pressure section is located at first heat-conducting part and institute It states between the second heat-conducting part.

10. housing unit according to claim 2, which is characterized in that the interconnecting piece is bonded in described by conducting resinl Mounting portion.

11. housing unit according to claim 1, which is characterized in that first heat-conducting part is provided with assembly through-hole.

12. a kind of electronic equipment characterized by comprising

Such as the described in any item housing units of claim 1-11；

First heat generating component, first heat generating component are installed in the center；

Second heat generating component, second heat generating component are installed in the center；

The metal conducting strip assembly connection covers first heat generating component in the center, the first heat-conducting part contact, The second heat-conducting part contact covers second heat generating component；And

Rear cover, the rear cover are located at the side of the metal conducting strip, and with the center assembly connection.