CN214704477U

CN214704477U - Heat dissipation flat plate

Info

Publication number: CN214704477U
Application number: CN202121004451.4U
Authority: CN
Inventors: 谢向群; 单丹; 谢梓彤; 钟亮; 蒋智军
Original assignee: Shenzhen Jumper Computer Technology Lo Ltd
Current assignee: Shenzhen Jumper Computer Technology Lo Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-12
Anticipated expiration: 2031-05-11

Abstract

The application relates to the technical field of mobile terminals, in particular to a heat dissipation flat plate which comprises a flat plate rear cover and side frames arranged on the periphery of the flat plate rear cover, wherein a flow guide structure is arranged on one side, facing the interior of the flat plate, of the flat plate rear cover, the flow guide structure comprises a plurality of heat conduction ribs, and flow guide channels are formed between every two adjacent heat conduction ribs at intervals; the two opposite side frames are provided with heat dissipation holes, and the heat dissipation holes are communicated with the flow guide channel. The radiating structure is arranged in the flat panel, so that the radiating effect of the tablet computer can be improved under the condition of keeping the appearance of the tablet device simple and simple in structure.

Description

Heat dissipation flat plate

Technical Field

The application relates to the technical field of mobile terminals, in particular to a heat dissipation flat plate.

Background

The size of the tablet computer is often located between the mobile phone and the notebook computer, and compared with the notebook computer, the tablet computer removes a keyboard part, integrates internal components of the tablet with the screen, retains a larger screen, improves reading impression, and simultaneously benefits from the concise appearance of the tablet computer, and has better portability.

However, because the tablet computer often does not have a heat dissipation fan therein, the heat dissipation of the tablet computer often depends on the rear cover of the tablet computer for heat exchange heat dissipation, and thus the heat dissipation efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to promote the radiating efficiency of panel computer, this application provides a heat dissipation flat board.

A heat dissipation flat plate comprises a flat plate rear cover and side frames arranged on the periphery of the flat plate rear cover, wherein a flow guide structure is arranged on one side of the flat plate rear cover facing the inner part of the flat plate, the flow guide structure comprises a plurality of heat conduction ribs, and flow guide channels are formed between every two adjacent heat conduction ribs at intervals; the two opposite side frames are provided with heat dissipation holes, and the heat dissipation holes are communicated with the flow guide channel.

Through adopting above-mentioned technical scheme, the heat that dull and stereotyped inner member produced can be through the water conservancy diversion passageway, from the outside diffusion of louvre again, and the heat conduction muscle has the heat of the dull and stereotyped inner member of biography and covers the effect behind the flat board, can utilize the mobility of air again, exchanges dull and stereotyped inside air that the temperature is higher and the lower air of dull and stereotyped outside temperature, consequently has promoted the efficiency of panel computer heat exchange.

Optionally, a heat dissipation supporting plate for supporting the internal components of the flat plate is arranged on one side, away from the flat plate rear cover, of the heat conduction rib.

Through adopting above-mentioned technical scheme, the heat radiating area of dull and stereotyped internals can be increased to the heat dissipation backup pad, promotes dull and stereotyped internals's radiating effect.

Optionally, the heat conducting rib and the flat plate rear cover are made of heat conducting materials, and the heat conducting rib and the flat plate rear cover are integrally formed, or the heat conducting rib and the heat dissipation support plate are integrally formed, or the flat plate rear cover and the heat dissipation support plate are integrally formed.

Through adopting above-mentioned technical scheme, lid is heat conducting material behind heat conduction muscle and the flat board, has promoted the heat conduction effect of dull and stereotyped internals, and lid and heat dissipation backup pad integrated into one piece behind the flat board have further promoted heat conduction effect of heat conduction muscle, flat board back lid, heat dissipation backup pad and dull and stereotyped internals.

Optionally, one end of the aperture of the heat dissipation hole of one of the side frames is larger, and the aperture of the heat dissipation hole of the other side frame is smaller.

Through adopting above-mentioned technical scheme, the louvre at water conservancy diversion passageway both ends is not of uniform size, consequently can produce the velocity difference when the air current passes through water conservancy diversion passageway's both ends to increased the flow of air current, played the efficiency that promotes dull and stereotyped inside and dull and stereotyped outside air heat exchange.

Optionally, a supporting structure for increasing the distance between the flat plate rear cover and the flat plate placing plane is arranged on one side surface of the flat plate rear cover departing from the flat plate interior.

Through adopting above-mentioned technical scheme, bearing structure can increase the flat board and place the planar clearance of flat board.

Optionally, the supporting structure is an elastic supporting pad, and the elastic supporting pad is arranged at the four corners of the flat plate rear cover.

Through adopting above-mentioned technical scheme, when placing the flat board, the elastic support pad has the effect of buffering, has strengthened dull and stereotyped shock resistance.

Optionally, the edge of the elastic supporting pad is smooth to the transition of the flat plate rear cover.

Through adopting above-mentioned technical scheme, promoted user's use and experienced the sense.

Optionally, the support structure is a support protrusion integrally arranged with the flat plate rear cover, and the support protrusion is arranged at four corners of the flat plate rear cover.

Through adopting above-mentioned technical scheme, lid integrated into one piece behind support arch and the flat board can realize integrated into one piece when manufacturing, saves the technology of equipment to have better heat conduction effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the radiating structure is arranged in the tablet computer, so that the radiating effect of the tablet computer can be improved under the condition of keeping the tablet computer simple;

2. the rapid gas exchange way is increased by utilizing the fluidity of the gas, so that the temperature of the internal parts of the flat plate is reduced;

3. the flat back cover is also provided with a supporting structure, so that the gap between the flat plate and the placing plate is increased, the accumulation of heat is reduced, and the improvement and heat dissipation effects of the flat plate are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present application (the support structure is a resilient support pad).

Fig. 2 is an exploded view of a heat dissipating plate according to an embodiment of the present disclosure.

Fig. 3 is a sectional view taken along line a-a of fig. 4.

Fig. 4 is a back view of a heat sink plate (support structures are support protrusions) according to an embodiment of the present application.

Description of reference numerals: 001. a display screen; 002. an inner component;

1. a flat rear cover; 11. a side frame; 111. heat dissipation holes;

2. a flow guide structure; 21. a heat conducting rib; 22. a flow guide channel;

3. a heat dissipation support plate;

41. an elastic support pad; 42. and a support protrusion.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a heat dissipation flat plate. Referring to fig. 1 and 2, a heat dissipation flat plate comprises a display screen 001, an internal part 002, a flat plate rear cover 1 and a side frame 11, wherein the display screen 001, the internal part 002, the flat plate rear cover 1 and the side frame 11 are used for displaying, the side frame 11 is provided with a containing cavity along the periphery of the flat plate rear cover 1, and the internal part 002 is arranged in the containing cavity and electrically connected with the display screen 001.

Referring to fig. 3 and 4, a flow guide structure 2 is arranged on one side of the flat plate rear cover 1 facing the accommodating cavity in the flat plate, the flow guide structure 2 comprises a plurality of heat conducting ribs 21, and the heat conducting ribs 21 can be strips with the same cross section shape according to actual needs. The heat conducting ribs 21 are made of heat conducting material, and may be formed by cutting the heat dissipating pad into strips, or made of copper, aluminum, copper alloy or aluminum alloy. The arrangement of the heat conducting ribs 21 is substantially parallel to each other, the adjacent heat conducting ribs 21 are spaced to form a flow guiding channel 22, the two opposite side frames 11 are provided with heat dissipation holes 111, and the heat dissipation holes 111 are communicated with the flow guiding channel 22.

Referring to fig. 3 and 4, a heat dissipation support plate 3 is disposed on one side of the heat conduction rib 21 away from the flat plate rear cover 1. The material of heat dissipation backup pad 3 is good and have the material that carries out the support function to inside part 002 for the heat conductivility, like copper, aluminium, copper alloy or aluminum alloy, inside part 002 is arranged in on heat dissipation backup pad 3, the heat that inside part 002 produced can be transmitted to heat dissipation backup pad 3, heat dissipation backup pad 3 and the contact of heat conduction muscle 21, consequently, the heat on the heat dissipation backup pad 3 can be transmitted to on the heat conduction muscle 21, and the heat can be escaped to louvre 111 along water conservancy diversion passageway 22, thereby the cooling of dull and stereotyped inside part 002 has been realized.

Referring to fig. 3 and 4, further, when any two of the heat conducting ribs 21, the flat plate rear cover 1 and the heat dissipation support plate 3 are made of the same heat dissipation material, the two components may be integrally formed. Specifically, in an embodiment, the heat conducting rib 21 and the flat plate rear cover 1 may be integrally formed, or the heat conducting rib 21 and the heat dissipation support plate 3 may be integrally formed, or the flat plate rear cover 1 and the heat dissipation support plate 3 may be integrally formed, or all of the heat conducting rib 21, the flat plate rear cover 1, and the heat dissipation support plate 3 are integrally formed. So set up, can increase the area of contact between each other of lid 1, the heat dissipation backup pad 3 behind heat conduction muscle 21, the flat board to promote dull and stereotyped radiating effect.

In another embodiment, one end of the heat dissipation hole 111 of one side frame 11 has a larger aperture, and the other end of the heat dissipation hole 111 of the other side frame 11 has a smaller aperture. Correspondingly, each heat conducting rib 21 has a uniform cross section and a rod shape with gradually changing cross section area. In the present embodiment, the cross-sectional area of the heat conductive ribs 21 decreases as approaching the heat dissipation holes 111 with larger aperture, so that the cross-section of the flow guide channel 22 increases as approaching the heat dissipation holes 111 with larger aperture. Thus, the aperture of the heat dissipation hole 111 is matched with the aperture of the flow guide channel 22.

Referring to fig. 1, further, a side surface of the flat plate rear cover 1 departing from the accommodating cavity is provided with a supporting structure, and the supporting structure is used for increasing a distance between the flat plate rear cover 1 and a plane on which a flat plate is placed. In one embodiment, the supporting structure includes an elastic supporting pad 41, the elastic supporting pad 41 may be a block structure protruding from the flat plate rear cover 1 in a hemispherical shape, a trapezoidal shape, a cylindrical shape, etc., the material of the elastic supporting pad 41 may be silica gel, rubber, plastic, or cloth, etc., and the elastic supporting pad 41 may be fixed to the flat plate rear cover 1 by adhesion, magnetic clamping, etc. When the elastic supporting pad 41 is fixed with the flat plate rear cover 1 through a magnetic attraction mode, the interior of the elastic supporting pad 41 can be provided with a magnet, and the corresponding position of the flat plate rear cover 1 can be welded or bonded with magnetic attraction sheets such as iron, cobalt and nickel which have a magnetic attraction effect with the magnet. The elastic support pads 41 may be disposed at four corners of the tablet rear cover 1, or may be disposed at two adjacent corners of the tablet rear cover 1 according to a usage habit. Further, the edge of the elastic supporting pad 41 and the flat plate back cover 1 are smoothly transited. So set up, reduced the gap or the arch of the junction of elastic support pad 41 and dull and stereotyped back cover 1, promoted user's experience and felt.

Referring to fig. 3 and 4, the supporting structure may also be a supporting protrusion 42, the supporting protrusion 42 is integrally formed with the flat plate back cover 1, and the supporting protrusion 42 may be a horizontal bar, a vertical bar, or a folded angle and is disposed on the flat plate back cover 1. The supporting protrusions 42 may be provided at four corners of the flat plate back cover 1, or may be provided at two adjacent corners of the flat plate back cover 1.

The implementation principle of the heat dissipation flat plate in the embodiment of the application is as follows: the flat rear cover 1, the heat conducting ribs 21 and the heat dissipation support plate 3 are made of materials with good heat conducting performance, so that heat generated by the internal part 002 can be transferred to the heat dissipation support plate 3, the heat is transferred from the heat dissipation support plate 3 to the heat conducting ribs 21, one part of the heat conducting ribs 21 is transferred to the outside of the flat plate through the flat rear cover 1, the other part of the heat is dissipated to the diversion channel 22, and the heat can be dissipated to the outside of the flat plate from the heat dissipation holes 111 along the diversion channel 22, so that the heat dissipation effect of the flat plate is accelerated; the outer part of the flat plate is also provided with a supporting structure which can increase the gap between the flat plate and the plane for placing the flat plate, thereby reducing the heat accumulation at the position of the flat plate rear cover 1 and improving the heat dissipation effect of the flat plate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heat dissipation flat board, lid (1) and set up side frame (11) of lid (1) week edge behind dull and stereotyped, its characterized in that behind the dull and stereotyped including dull and stereotyped: a flow guide structure (2) is arranged on one side, facing the interior of the flat plate, of the flat plate rear cover (1), the flow guide structure (2) comprises a plurality of heat conduction ribs (21), and flow guide channels (22) are formed between every two adjacent heat conduction ribs (21) at intervals; the two opposite side frames (11) are provided with heat dissipation holes (111), and the heat dissipation holes (111) are communicated with the flow guide channel (22).

2. The heat dissipating plate of claim 1, wherein: one side of the heat conducting rib (21) far away from the flat plate rear cover (1) is provided with a heat dissipation supporting plate (3) used for supporting the flat plate internal component (002).

3. A heat-dissipating plate as claimed in claim 1 or 2, wherein: the heat conducting ribs (21) and the flat plate rear cover (1) are made of heat conducting materials, and

the heat conducting ribs (21) and the flat rear cover (1) are integrally formed, or

The heat conducting ribs (21) and the heat dissipation support plate (3) are integrally formed, or

The flat rear cover (1) and the heat dissipation support plate (3) are integrally formed.

4. A heat-dissipating plate as claimed in claim 1 or 2, wherein: one end of the heat dissipation hole (111) of one side frame (11) has a larger aperture, and the other end of the heat dissipation hole (111) of the other side frame (11) has a smaller aperture.

5. The heat dissipating plate of claim 1, wherein: one side of the flat plate rear cover (1) departing from the flat plate interior is provided with a supporting structure for increasing the distance between the flat plate rear cover (1) and a plane for placing a flat plate.

6. The heat dissipating plate of claim 5, wherein: the supporting structure is an elastic supporting pad (41), and the elastic supporting pad (41) is arranged at the four corners of the flat plate rear cover (1).

7. The heat dissipating plate of claim 6, wherein: the edge of the elastic supporting pad (41) is smoothly transited with the flat plate rear cover (1).

8. The heat dissipating plate of claim 5, wherein: the support structure is a support protrusion (42) integrally arranged with the flat plate rear cover (1), and the support protrusion (42) is arranged at the four corners of the flat plate rear cover (1).