WO2021003833A1

WO2021003833A1 - Novel heat dissipation patch for electronic device

Info

Publication number: WO2021003833A1
Application number: PCT/CN2019/104118
Authority: WO
Inventors: 佘华伟
Original assignee: 佘华伟
Priority date: 2019-07-10
Filing date: 2019-09-03
Publication date: 2021-01-14
Also published as: CN110267502A

Abstract

A novel heat dissipation patch for an electronic device, comprising: a microfiber sheet used for being fixedly attached to the electronic device; a second thermally conductive double-sided adhesive provided at the lower end surface of the microfiber sheet; a graphite sheet, the center of which is provided a window, the graphite sheet being provided at the lower end surface of the second thermally conductive double-sided adhesive; and a first thermally conductive double-sided adhesive having a shape matching the shape of the window, the first thermally conductive double-sided adhesive being provided at the lower end surface of the second thermally conductive double-sided adhesive and placed in the window, and the bottom end surface of the first thermally conductive double-sided adhesive being flush with the lower end surface of the graphite sheet. The large amount of heat produced by the running of the electronic device will be absorbed by the second thermally conductive double-sided adhesive, conducted to the graphite sheet, and dissipated by the graphite sheet, thereby achieving the effect of efficient heat conduction and heat dissipation. The novel heat dissipation patch for an electronic device is a sheet-shaped product which is relatively thin and which may be applied to relatively thin electronic devices; a wireless charger performs wireless charging on the electronic device through the window of the graphite sheet, and the graphite sheet will not impact wireless charging, thus ensuring that wireless charging proceeds normally.

Description

A new type of heat dissipation patch for electronic equipment

Technical field:

The invention relates to the technical field of heat dissipation of electronic equipment, in particular to a new type of heat dissipation patch for electronic equipment.

Background technique:

In order to make life more convenient, the rapid development of modern microelectronics technology has continuously developed various electronic devices, such as computers, mobile phones, and tablet computers. Among them, a large amount of heat energy is generated when the electronic device operates, and the heat energy affects the operating speed of the electronic device, or causes the electronic device to overheat and crash.

For this reason, electronic equipment will add a radiator to cooperate with a fan to dissipate heat, but will increase the thickness, so that it is not suitable for thinner electronic equipment, such as mobile phones, tablet computers.

Therefore, there is an urgent need for a material with high efficiency, heat conduction, light weight and thin thickness to quickly transfer heat away to ensure the normal operation of electronic devices.

In view of this, the inventors propose the following technical solutions.

Summary of the invention:

The purpose of the present invention is to overcome the shortcomings of the prior art and provide a new type of heat dissipation patch for electronic equipment.

In order to solve the above technical problems, the present invention adopts the following technical solutions: the new type of electronic device heat dissipation patch includes: a microfiber sheet for fixedly bonding with the electronic device; a second thermally conductive double-sided adhesive, which is fixedly bonded On the lower end surface of the superfiber sheet; graphite sheet, the middle of the graphite sheet is provided with a window, and the graphite sheet is fixedly attached to the lower end surface of the second thermally conductive double-sided adhesive; the first thermally conductive double-sided adhesive has the same shape as the The shape of the window is adapted, the first thermally conductive double-sided adhesive is fixedly attached to the lower end of the second thermally conductive double-sided adhesive and placed in the window, and the lower end of the first thermally conductive double-sided adhesive is flush with the lower end of the graphite sheet level.

Furthermore, in the above technical solution, a first notch and a second notch are respectively formed at both ends of the graphite sheet, and both ends of the lower end surface of the second thermally conductive double-sided adhesive are fixedly attached to the third thermally conductive double-sided adhesive and The fourth thermally conductive double-sided tape, the third thermally conductive double-sided tape and the fourth thermally conductive double-sided tape fill the first gap and the second gap, respectively, and the thicknesses of the third thermally conductive double-sided tape and the fourth thermally conductive double-sided tape are equal to The thickness of the graphite sheet is the same.

Furthermore, in the above technical solution, the window is cross-shaped, and the first thermally conductive double-sided tape is cross-shaped; or, the window is rectangular, and the first thermally conductive double-sided tape is rectangular; or, The window is circular, and the first thermally conductive double-sided adhesive is circular.

Furthermore, in the above technical solution, the thickness of the first thermally conductive double-sided adhesive is the same as the thickness of the graphite sheet.

Furthermore, in the above technical solution, the upper end surface of the microfiber sheet is provided with a second double-sided tape, and the second release paper is pasted on the upper surface of the second double-sided tape. After the second release paper is torn off, the first Two double-sided adhesives are attached to the electronic device.

Furthermore, in the above technical solution, the graphite sheet and the lower end of the first thermally conductive double-sided adhesive are provided with a first double-sided adhesive, and the outer surface of the first double-sided adhesive is pasted with a first release paper. After the release paper, the first double-sided adhesive is attached to the protective cover of the electronic device, and the microfiber sheet is in contact with the electronic device placed in the protective cover.

Furthermore, in the above technical solution, the protective cover has a container for accommodating the electronic device, and the first double-sided adhesive is fixedly attached to the bottom of the container, so that the heat sink of the new electronic device is fixed to the container. Bottom of the groove.

Furthermore, in the above technical solution, the back of the protective cover is provided with a plurality of heat dissipation holes penetrating the cavity.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: the present invention adopts the microfiber sheet to be fixed and attached to the electronic device, which can achieve the effect of scratch resistance, and when the electronic device is running, a large amount of heat is generated. The second thermally conductive double-sided adhesive will absorb a large amount of heat and transfer it to the graphite sheet to dissipate the heat from the graphite sheet to achieve the heat dissipation effect, and the graphite sheet has a strong heat conduction and heat dissipation effect, which makes the The invention has an excellent heat dissipation effect. Furthermore, the invention is a sheet-like product with a relatively thin thickness, so that it can be applied to thinner electronic devices (such as mobile phones and tablet computers), and can efficiently conduct heat conduction to thin electronic devices, ensuring The normal operation of electronic equipment makes the present invention extremely competitive in the market. In addition, the present invention is provided with a window in the middle of the graphite sheet. When a wireless charger is used to wirelessly charge an electronic device (such as a mobile phone), the wireless charger directly wirelessly charges the electronic device (such as a mobile phone) through the window. The film will not affect the wireless charging, ensure the normal progress of the wireless charging, and is very convenient to use, and the window is filled with the first thermally conductive double-sided adhesive, which can further improve the heat dissipation effect.

Description of the drawings:

Figure 1 is a perspective view of the present invention;

Figure 2 is a cross-sectional view of the present invention;

Figure 3 is a perspective exploded view of the present invention;

Figure 4 is a perspective view of the present invention after being assembled in a protective cover;

Fig. 5 is a perspective view from another perspective of the present invention after being assembled on the protective cover.

Detailed ways:

The present invention will be further described below in conjunction with specific embodiments and drawings.

As shown in Figure 1-3, it is a new type of electronic device heat dissipation patch, which includes: a microfiber sheet 5 for fixedly bonding with the electronic device; a second thermally conductive double-sided adhesive 4, which is fixedly bonded to The lower end surface of the superfiber sheet 5; graphite sheet 2, the middle of the graphite sheet 2 is provided with a window 21, and the graphite sheet 2 is fixedly attached to the lower end surface of the second thermally conductive double-sided adhesive 4; the first thermally conductive double-sided adhesive 3 , Its shape is adapted to the shape of the window 21, the first thermally conductive double-sided tape 3 is fixedly attached to the lower end surface of the second thermally conductive double-sided tape 4 and placed in the window 21, the first thermally conductive double-sided tape The lower end surface of the surface glue 3 is flush with the lower end surface of the graphite sheet 2. The present invention adopts the microfiber sheet 5 to be fixedly attached to the electronic device, which can achieve the effect of anti-scratch, and when the electronic device generates a large amount of heat during operation, the second thermally conductive double-sided adhesive 4 will absorb a large amount of heat and transfer it to The graphite sheet dissipates heat from the graphite sheet to achieve the effect of heat dissipation, and the graphite sheet has a strong heat conduction and heat dissipation effect, so that the present invention has an excellent heat dissipation effect. Furthermore, the present invention is a sheet product , Its thickness is relatively thin, so that it can be applied to thinner electronic devices (such as mobile phones, tablet computers), and can conduct high-efficiency heat conduction to thin electronic devices, and ensure the normal operation of electronic devices, making the present invention extremely competitive in the market. In addition, the present invention is provided with a window 21 in the middle of the graphite sheet 2. When a wireless charger is used to wirelessly charge an electronic device (such as a mobile phone), the wireless charger directly wirelessly charges the electronic device (such as a mobile phone) through the window 21 , The graphite sheet 3 will not affect wireless charging, ensure the normal progress of wireless charging, and is very convenient to use, and the window 21 is filled with the first thermally conductive double-sided adhesive 3, which can also Further improve heat dissipation efficiency.

A first notch and a second notch are formed at both ends of the graphite sheet 2 respectively, and a third thermally conductive double-sided adhesive 6 and a fourth thermally conductive double-sided adhesive are fixedly attached to both ends of the lower end of the second thermally conductive double-sided adhesive 4 7. The third thermally conductive double-sided tape 6 and the fourth thermally conductive double-sided tape 7 respectively fill the first gap and the second gap, and the thickness of the third thermally conductive double-sided tape 6 and the fourth thermally conductive double-sided tape 7 is the same as that of graphite The thickness of the sheet 2 is the same.

Graphite sheet is a brand-new heat-conducting and heat-dissipating material with unique grain orientation and uniform heat conduction in two directions. The sheet-like structure can be well adapted to any surface, shielding heat sources and components while improving the performance of consumer electronic products . This new natural graphite solution has high heat dissipation efficiency, small footprint, light weight, uniform heat conduction in two directions, eliminates "hot spot" areas, shields heat sources and components, and improves the performance of consumer electronic products.

The window 21 is cross-shaped, and the first thermally conductive double-sided tape 3 is cross-shaped; or, the window 21 is rectangular, and the first thermally conductive double-sided tape 3 is rectangular; or, the window 21 is round. The first thermally conductive double-sided adhesive 3 has a circular shape. In this embodiment, the window 21 has a cross shape, and the first thermally conductive double-sided adhesive 3 has a cross shape.

The upper end surface of the microfiber sheet 5 is provided with a second double-sided tape, and a second release paper is attached to the upper surface of the second double-sided tape. After the second release paper is torn off, the second double-sided tape is attached to On electronic equipment. Or, as shown in combination 4 and 5, the graphite sheet 2 and the first thermally conductive double-sided tape 3 are provided with a first double-sided tape at their lower ends, and a first release paper is attached to the outer surface of the first double-sided tape. After the first release paper is dropped, the first double-sided adhesive is attached to the protective cover 8 of the electronic device, and the microfiber sheet 5 is in contact with the electronic device contained in the protective cover 8 in contact with each other.

As shown in combination with 4 and 5, the protective cover 8 has a pocket 81 for accommodating the electronic device. The present invention is fixedly attached to the bottom of the pocket 81 through the first double-sided tape, so that the heat dissipation patch of the new electronic device is fixed. At the bottom of the container 81. The back of the protective cover 8 is provided with a plurality of heat dissipation holes 82 penetrating the accommodating groove 81, which can further improve the heat dissipation effect, so that the electronic equipment installed in the protective cover 8 can quickly dissipate heat, and ensure the smooth operation of the electronic equipment. It will crash, it is extremely convenient to use, solves the current problem that the protective cover cannot dissipate heat, and makes the present invention extremely competitive in the market.

In summary, the present invention adopts the microfiber sheet 5 to be fixedly attached to the electronic device, which can achieve the effect of scratch resistance, and when the electronic device is running and generates a lot of heat, the second thermally conductive double-sided adhesive 4 will generate a lot of heat. The graphite sheet is adsorbed and transferred to the graphite sheet to dissipate heat from the graphite sheet to achieve the effect of heat dissipation, and the graphite sheet has a strong heat conduction and heat dissipation effect, so that the present invention has an excellent heat dissipation effect. The invention is a sheet-shaped product, which is thin enough to be suitable for thinner electronic devices (such as mobile phones, tablet computers), and can conduct high-efficiency heat conduction on thin electronic devices, and ensure the normal operation of electronic devices. This makes the invention extremely powerful Market Competitiveness. In addition, the present invention is provided with a window 21 in the middle of the graphite sheet 2. When a wireless charger is used to wirelessly charge an electronic device (such as a mobile phone), the wireless charger directly wirelessly charges the electronic device (such as a mobile phone) through the window 21 , The graphite sheet 3 will not affect wireless charging, ensure the normal progress of wireless charging, and is very convenient to use, and the window 21 is filled with the first thermally conductive double-sided adhesive 3, which can also Further improve heat dissipation efficiency.

Of course, the above are only specific embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. All equivalent changes or modifications made in accordance with the structure, features and principles described in the scope of the patent application of the present invention shall be included in The invention is within the scope of patent application.

Claims

A new type of heat dissipation patch for electronic equipment, which is characterized in that it includes:

Microfiber sheet (5) for fixing and bonding with electronic equipment;

The second thermally conductive double-sided adhesive (4), which is fixedly attached to the lower end surface of the microfiber sheet (5);

Graphite sheet (2), a window (21) is arranged in the middle of the graphite sheet (2), and the graphite sheet (2) is fixedly attached to the lower end surface of the second thermally conductive double-sided adhesive (4);

The first thermally conductive double-sided adhesive tape (3) has a shape that matches the shape of the window (21), and the first thermally conductive double-sided adhesive tape (3) is fixedly attached under the second thermally conductive double-sided tape (4) The end surface is placed in the window (21), and the lower end surface of the first thermally conductive double-sided adhesive (3) is flush with the lower end surface of the graphite sheet (2).
A new type of heat dissipation patch for electronic equipment according to claim 1, characterized in that: the graphite sheet (2) is formed with a first notch and a second notch at both ends, and the second thermally conductive double-sided adhesive (4) ) A third thermally conductive double-sided adhesive tape (6) and a fourth thermally conductive double-sided adhesive tape (7) are fixedly attached to both ends of the lower end surface respectively, the third thermally conductive double-sided adhesive tape (6) and the fourth thermally conductive double-sided adhesive tape (7) The first gap and the second gap are respectively filled, and the thickness of the third thermally conductive double-sided adhesive tape (6) and the fourth thermally conductive double-sided adhesive tape (7) are the same as the thickness of the graphite sheet (2).
A new type of heat dissipation patch for electronic equipment according to claim 2, characterized in that: the window (21) is cross-shaped, and the first thermally conductive double-sided adhesive (3) is cross-shaped; or, the window (21) is rectangular, and the first thermally conductive double-sided tape (3) is rectangular; or, the window (21) is circular, and the first thermally conductive double-sided tape (3) is circular.
A new type of heat dissipation patch for electronic equipment according to claim 2, wherein the thickness of the first thermally conductive double-sided adhesive (3) is the same as the thickness of the graphite sheet (2).
A new type of heat dissipation patch for electronic equipment according to any one of claims 1 to 4, characterized in that: the upper end surface of the microfiber sheet (5) is provided with a second double-sided tape, and the second double-sided tape is A second release paper is attached to the surface, and after the second release paper is torn off, the second double-sided adhesive is attached to the electronic device.
A new type of heat dissipation patch for electronic equipment according to any one of claims 1-4, characterized in that: the graphite sheet (2) and the first thermally conductive double-sided adhesive (3) are provided with a first double-sided The first release paper is attached to the outer surface of the first double-sided adhesive. After the first release paper is torn off, the first double-sided adhesive is attached to the protective cover (8) of the electronic device. The microfiber sheet (5) Fit and contact with the electronic equipment installed in the protective cover (8).
A new type of heat dissipation patch for electronic equipment according to claim 6, characterized in that: the protective cover (8) has a pocket (81) for accommodating the electronic device, and the first double-sided adhesive fixing sticker Fit on the bottom of the container (81), so that the new electronic device heat dissipation patch is fixed on the bottom of the container (81).
A new type of heat dissipation patch for electronic equipment according to claim 7, characterized in that: the back of the protective cover (8) is provided with a plurality of heat dissipation holes (82) penetrating the cavity (81).