CN206181699U - It constructs and mobile terminal to lead hot junction - Google Patents

Abstract

The utility model discloses a heat conduction structure and a mobile terminal, wherein the heat conduction structure comprises: a middle frame, arranged on the mobile terminal, for accommodating a heating element and a heat conduction component; a heat conduction component, the first end of the heat conduction component and the The heating element abuts, and the second end of the heat conducting component extends to a position inside or outside the mobile terminal, away from the heating element. When the heating element is in working condition, the temperature of the first end of the heat conduction component is higher than the second end. Therefore, based on the principle of heat conduction, the heat of the heating element is conducted from the first end to the second end, and is carried out at the second end. The heat dissipation speeds up the heat dissipation speed at the heating element, improves the working performance of the heating element, improves the performance of the terminal and reduces the probability of failure of the heating element due to high temperature.

Description

Heat conduction structure and mobile terminal

technical field

The utility model relates to the field of electronic equipment, in particular to a heat conduction structure and a mobile terminal.

Background technique

As the functions of mobile terminals become more and more powerful, there are more and more various heating elements inside the mobile terminal, and the operating frequency of the chip is also higher and higher, so a large amount of heat will be generated when the device is working. If the heat cannot be exported in time, it will cause the operating frequency of the chip to drop and reduce the performance of the mobile terminal. At the same time, the high temperature will also increase the probability of equipment failure.

Utility model content

The purpose of the utility model is to provide a heat conduction structure to solve the technical problem of poor heat conduction efficiency of existing heating elements. On this basis, another object of the present invention is to provide a mobile terminal using the heat conduction structure.

In order to solve the above problems, the present invention provides a heat conduction structure, which includes:

The middle frame is set on the mobile terminal and is used to accommodate heating elements and heat conducting components;

A heat conduction component, the first end of the heat conduction component is in contact with the heating element, and the second end of the heat conduction component extends to a position inside or outside the mobile terminal, away from the heating element.

As a further improvement of the present utility model, the surface of the heating element is provided with heat-dissipating silica gel, the heat-conducting component includes a heat-conducting pipe and a heat-conducting sheet, the heat-conducting sheet is arranged on the middle frame, and the heat-conducting pipe is arranged on the heat-conducting A heat-conducting medium is placed on the chip and inside the heat-conducting tube. The heat-conducting tube includes a heat-absorbing end and a heat-dissipating end. The heat-absorbing end is in contact with the heat-dissipating silica gel. The heat is transferred from the heat-absorbing end to the heat-dissipating end.

As a further improvement of the present utility model, the heat conduction pipe includes a long thin sheet copper heat conduction pipe, and the heat conduction sheet includes a long sheet thin copper heat conduction sheet.

As a further improvement of the present utility model, the middle frame includes a groove, the heat pipe is accommodated in the groove, the width of the heat pipe is less than or equal to the width of the groove and the groove The width is smaller than the width of the heat conduction sheet, and the heat conduction sheet is fixedly connected with the peripheral edge of the groove.

As a further improvement of the present invention, at least one stop bar for preventing deformation of the heat pipe is provided at the bottom of the groove.

In order to solve the above problems, the present invention also provides a mobile terminal, which includes the above heat conduction structure.

As a further improvement of the utility model, the front of the middle frame is equipped with a display module, the back of the middle frame is provided with a first back cover and a second back cover, and the head end of the first back cover is provided with a The first connecting portion for accommodating the first end of the middle frame, the second rear end of the second back cover is provided with a second connecting portion for wrapping and accommodating the second end of the middle frame, the middle frame The first end is engaged and connected with the first connecting portion located at the head end of the first rear cover, and the second end of the middle frame is engaged and connected with the second connecting portion located at the rear end of the second rear cover.

As a further improvement of the present utility model, a first insertion hole is provided inside the first connecting part, and a first insertion part inserted into the first insertion hole is provided at the first end of the middle frame; the second A second insertion hole is provided in the connection part, and a second insertion part inserted into the second insertion hole is provided at the second end of the middle frame.

As a further improvement of the present utility model, a first set of hooks is provided on both sides of the first rear cover, a second set of hooks is provided on both sides of the second rear cover, and the sides of the middle frame are correspondingly provided with The recessed part for the first set of hooks and the second set of hooks to be inserted into, the recessed part is provided with a protrusion for the first set of hooks and the second set of hooks to be fixedly hung.

As a further improvement of the present utility model, a first decorative layer is fixed on the first rear cover, and a second decorative layer is fixed on the second rear cover.

Compared with the prior art, when the heating element is in working condition, the temperature of the first end of the heat conduction component is higher than that of the second end. Therefore, based on the principle of heat conduction, the heat of the heating element is conducted from the first end to the second end , and dissipate heat at the second end, so as to speed up the heat dissipation speed at the heating element, improve the working performance of the heating element, improve the performance of the terminal and reduce the failure probability of the heating element due to high temperature.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the heat conduction structure of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of an embodiment of the heat conduction structure of the present invention.

FIG. 3 is a schematic diagram of the flow direction of the heat conduction medium in the heat conduction pipe in FIG. 2 .

Fig. 4 is a schematic diagram of an exploded structure of an embodiment of the mobile terminal of the present invention.

FIG. 5 is a schematic diagram of an assembly structure of an embodiment of the mobile terminal of the present invention.

Fig. 6 is a schematic diagram of the use status of the mobile terminal of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the following will further describe the implementation of the utility model in detail in conjunction with the accompanying drawings.

The mobile terminal involved in the embodiment of the present invention can be any device with communication and storage functions, such as: tablet computer, mobile phone, e-reader, remote controller, personal computer (Personal Computer, PC), notebook computer, vehicle-mounted equipment, network Smart devices with network functions such as TVs and wearable devices. The heating element of the mobile terminal involved in the embodiment of the present invention may include a chip (such as a central processing unit chip, a power management chip, or a charging management chip), a power supply, a display screen, an LED light, and the like. In the following embodiments, the heat generating device is introduced by taking a chip as an example.

Figures 1-3 show an embodiment of the heat conduction structure of the present invention. In this embodiment, the heat conduction structure includes a middle frame 1 and a heat conduction assembly 2 .

Among them, the middle frame 1 is arranged on the mobile terminal and is used for accommodating the heating element and the heat conducting component 2 .

A heat conduction component 2, the first end of the heat conduction component 2 is in contact with the heating element, and the second end of the heat conduction component 2 extends into the mobile terminal or outside the mobile terminal, away from the heating element location.

Preferably, the middle frame is set in the mobile terminal.

When the heating element is in the working state, since the heat conducting component 2 is in contact with the heating element, the temperature of the first end of the heat conducting component 2 in this embodiment is higher than the temperature of the second end. Therefore, based on the principle of heat conduction, the heat of the heating element is transferred from the first conduction from one end to the second end, and dissipate heat at the second end, so as to speed up the heat dissipation speed at the heating element, improve the working performance of the heating element, improve the performance of the terminal and reduce the failure of the heating element due to high temperature probability.

On the basis of the above-mentioned embodiment, in this embodiment, referring to Fig. 2, the surface of the heating element 3 is provided with a heat-dissipating silica gel 4, and the heat-conducting assembly 2 includes a heat-conducting pipe 5 and a heat-conducting sheet 6, and the heat-conducting sheet 6 is provided with On the middle frame 1, the heat conduction pipe 5 is arranged on the heat conduction sheet 6 and a heat conduction medium is placed in the heat conduction pipe 5, and the heat conduction pipe 5 includes a heat absorbing end 51 and a heat dissipation end 52. The heat absorbing end 51 is in contact with the heat dissipation silica gel 4 , and the heat conduction medium is used to transfer the heat generated by the heating element 3 from the heat absorbing end 51 to the heat dissipation end 52 .

In order to describe the technical solution of the present invention in more detail, the heating element 3 is used as a CPU ((Central Processing Unit)) for detailed description, and the CPU is arranged on the main board 9 .

The heat pipe 5 utilizes the following three physical principles when working: 1. In a vacuum state, the boiling point of the heat conduction medium decreases. 2. The latent heat of vaporization of the same substance is much higher than the sensible heat. 3. The suction force of the porous capillary structure to the liquid can make the liquid flow.

The working principle of the heat pipe 5 is as follows: Referring to Figure 3, the liquid in the heat-absorbing end 51 abutted against the heating element absorbs heat and evaporates to form steam, the steam carries the latent heat of vaporization and flows to the heat-dissipating end 52 through the cavity, and the vapor passes through the tube wall and The latent heat released by the heat exchange of the external cold medium completes the heat transfer task and condenses into a liquid. The liquid flows back to the heat-absorbing end 51 through the suction force or gravity of the capillary structure to enter the next working cycle.

In this embodiment, heat-dissipating silica gel is added between the heating element and the heat-conducting component to achieve the effect of improving the heat conduction efficiency between the heating element and the heat-conducting component. In addition, in this embodiment, the heat conduction pipe is used to conduct the heat of the heating element, so that no fan is needed, therefore, there is no noise, no maintenance, and it is safe and reliable.

Specifically, the heat pipe 5 includes a long sheet-shaped copper heat pipe, and the heat-conducting sheet 6 includes a long sheet-shaped copper heat-conducting sheet.

In this embodiment, a metal with high heat conduction effect (such as copper) is used to prepare the heat conduction pipe, which further improves the heat conduction efficiency. In addition, the sheet-like structure is adopted, so the heat pipe has little influence on the thickness of the electronic device, so that the user's demand for thinner electronic devices can be met.

Specifically, referring to FIG. 2, the middle frame 1 includes a groove 7, the heat pipe 5 is accommodated in the groove 7, and the width of the heat pipe 5 is less than or equal to the width of the groove 7. And the width of the groove 7 is smaller than the width of the heat conducting sheet 6 , and the heat conducting sheet 6 is fixedly connected with the peripheral edge of the groove 7 .

Specifically, when assembling, the heat conduction tube 5 is first bonded (welded, etc.) to the middle of the heat conduction sheet 6, and then the heat conduction pipe 5 is snapped into the groove 7, because the width of the heat conduction sheet 6 is greater than the width of the groove 7, During assembly, both sides of the heat conduction sheet 6 can be bonded (welded, screwed, etc.) to both sides of the surface of the groove 7, so that the heat conduction component is fixedly connected to the groove 7, thereby realizing the fixed connection between the heat conduction component and the middle frame 1.

In this embodiment, the width of the heat pipe 5 is less than or equal to the width of the groove 7 and the width of the groove 7 is smaller than the width of the heat conduction sheet 6 , so that the heat conduction assembly is easy to assemble. In addition, the heat pipe 5 is accommodated in the groove 7, and the heat conduction component has little influence on the thickness of the electronic device, so that the user's requirement for thinner electronic devices can be met.

Specifically, referring to FIG. 2 , at least one stop bar 8 for preventing deformation of the heat pipe 5 is provided at the bottom of the groove 7 .

In this embodiment, by setting the stop bar 8, the deformation of the heat pipe is prevented, and the shaking of the heat pipe is prevented during the application of the electronic device, thereby prolonging the service life of the heat pipe.

4-6 show an embodiment of the mobile terminal of the present invention. In this embodiment, referring to FIG. 4 , the front of the middle frame 1 is equipped with a display module (not shown in the figure), and the back of the middle frame 1 is provided with a first rear cover 10 and a second rear cover 11 The first end of the first rear cover 10 is provided with a first connecting portion 101 for wrapping and accommodating the end of the first end 111 of the middle frame 1, and the tail end of the second rear cover 11 is provided for wrapping and accommodating the The second connecting portion 102 at the end of the second end 112 of the middle frame 1 is described. The first end 111 of the middle frame 1 is engaged and connected with the first connecting portion 101 located at the head end of the first rear cover 10. The first end 111 of the middle frame 1 The two ends 112 are engaged with the second connecting portion 102 located at the rear end of the second rear cover 11 .

The front of the middle frame 1 is used for fixing and assembling a display module, and the back of the middle frame 1 is used for fixing and assembling a battery, a main board, and the like. Preferably, in order to increase the strength of the middle frame 1, ensure that the display module will not be twisted under force, and reduce the overall weight of the electronic equipment, the middle frame 1 is a magnesium-aluminum alloy bracket.

In this embodiment, the first connecting portion 101 wrapping and accommodating the end of the first end 111 of the middle frame 1 is provided at the head end of the first rear cover 10 , and the first connecting portion 101 is connected to the first end 111 of the middle frame 1 At the same time, the second connection part 102 is provided at the tail end of the second rear cover 11 to wrap and accommodate the second end 112 of the middle frame 1, and through the second connection part 102 and the second end 112 of the middle frame 1 Snap connection, so that the first back cover 10, the second back cover 11 are fixedly connected with the middle frame 1, so as to wrap and protect the internal structure of the portable electronic device, and prevent the first back cover 10 and the The effect that the second rear cover 11 falls off.

On the basis of the above embodiments, in other embodiments, referring to FIG. 5 , the first connecting portion 101 is provided with a first insertion hole 1011, and the end of the first end 111 of the middle frame 1 is provided with a A first insertion part 1111 of an insertion hole 1011; a second insertion hole (not shown in the figure) is provided in the second connection part 102, and the second end 112 of the middle frame 1 is provided with a The second insertion portion 1121 of the second insertion hole.

In this embodiment, the first insertion part 1111 and the second insertion part 1121 are at least one trapezoidal insertion block with a pointed front end, and the first insertion hole 1011 and the second insertion hole (not shown in the figure) are set At least one insertion hole cooperating with the insertion block inside the first connection part 101 and the second connection part 102 . It can be understood that, in other embodiments, the first insertion part 1111 and the second insertion part 1121 may be insertion structures of the same shape or different shapes.

Furthermore, in order to prevent the first insertion part 1111 and the second insertion part 1121 from coming out of the first insertion hole 1011 and the second insertion hole (not shown), the first insertion part 1111 and the second insertion part 1121 can also be A barb structure is provided on the top to prevent the first insertion part 1111 and the second insertion part 1121 from falling out.

In order to better securely connect the first rear cover 10 and the second rear cover 11, on the basis of the above-mentioned embodiment, in this embodiment, referring to FIG. 4, first rear cover 10 is provided with first A set of hooks 103, the two sides of the second rear cover 11 are provided with a second set of hooks 104, and the sides of the middle frame 1 are correspondingly provided with depressions for inserting the first set of hooks 103 and the second set of hooks 104 part 113, the recessed part 113 is provided with a protrusion (not shown in the figure) for the first group of hooks 103 and the second group of hooks 104 to be fixedly hung. Specifically, the first group of hooks 103 includes at least one first group of hooks 103 disposed on the side of the first rear cover 10, and the second group of hooks 104 includes at least one second group of hooks disposed on the side of the second rear cover 103. Hook 104.

In order to increase the aesthetic appearance of the portable electronic device, on the basis of the above-mentioned embodiment, referring to FIG. 11 is fixed with a second decoration layer 106 .

Further, as shown in Figure 6, in order to facilitate the user to hold the portable electronic device when using the horizontal screen, the first connecting part 101 is set as a "︿" shaped connecting part, and/or the second connecting part 102 is set It is a "﹀" shaped connection part. When using the portable electronic device in a landscape orientation, the user can hold the "︿"-shaped connecting portion and the "﹀"-shaped connecting portion located at both ends of the portable electronic device 100 .

The specific implementations of the utility model have been described in detail above, but they are only examples, and the utility model is not limited to the specific implementations described above. For those skilled in the art, any equivalent modifications or substitutions to the utility model are also within the scope of the utility model, therefore, equivalent transformations and substitutions made without departing from the spirit and principle scope of the utility model Modifications, improvements, etc., should all be covered within the scope of the present utility model.

Claims (10)

1. a kind of conductive structure, it is characterised in that it includes：

Center, is arranged at mobile terminal, for housing heater element and heat-conductive assembly；

Heat-conductive assembly, the first end of the heat-conductive assembly is abutted with the heater element, and the second end of the heat-conductive assembly extends To the mobile terminal or outside the mobile terminal, at the position away from the heater element.

2. conductive structure according to claim 1, it is characterised in that the heater element surface is provided with thermal grease, institute Heat-conductive assembly is stated including heat pipe and conducting strip, the conducting strip is arranged on the center, the heat pipe is arranged at described Heat-conducting medium is equipped with conducting strip and in the heat pipe, the heat pipe includes heat absorbing end and radiating end, the heat absorbing end Abut with the thermal grease, the heat-conducting medium is used to conduct the heat produced by the heater element from the heat absorbing end Cause the radiating end.

3. conductive structure according to claim 2, it is characterised in that the heat pipe includes strip flake copper heat conduction Pipe, the conducting strip includes strip flake copper conducting strip.

4. conductive structure according to claim 2, it is characterised in that the center includes a groove, the heat conduction tube capacity It is placed in the groove, the width of the heat pipe is less than or equal to the width of the groove and the width of the groove is less than institute The width of conducting strip is stated, the conducting strip is fixedly connected with the edge of the groove.

5. conductive structure according to claim 4, it is characterised in that the bottom of the groove arranges at least one to be used to prevent The block bar that only heat pipe deforms.

6. a kind of mobile terminal, it is characterised in that including the conductive structure described in one of claim 1-5.

7. mobile terminal according to claim 6, it is characterised in that the front of the center is equipped with display module, institute The back side for stating center is provided with the first bonnet and the second bonnet, and the first bonnet head end is provided with for wrapping up the accommodating center The first connecting portion of first end end, the second bonnet tail end be provided with for wrap up accommodating the second end of center end Two connecting portions, the center first end is connected together with the first connecting portion positioned at the first bonnet head end, the end of the center second It is connected together with the second connecting portion positioned at the second bonnet tail end.

8. mobile terminal according to claim 7, it is characterised in that the first patchhole is provided with the first connecting portion, The center first end end is provided with the first insertion section for inserting first patchhole；Second is provided with the second connecting portion Patchhole, the second end of center end is provided with the second insertion section for inserting second patchhole.

9. mobile terminal according to claim 7, it is characterised in that the side of the first bonnet two is provided with first group of extension Hook, the side of the second bonnet two is provided with second group of hook, the center side be accordingly provided with for first group of hook and The depressed part of second group of hook insertion, is provided with the depressed part and fixes what is hung for first group of hook and second group of hook It is raised.

10. the mobile terminal according to one of claim 7-9, it is characterised in that cover after described first and be installed with first Decorative layer, covers after described second and is installed with the second decorative layer.