WO2021003832A1 - 一种电子设备散热贴片 - Google Patents

一种电子设备散热贴片 Download PDF

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Publication number
WO2021003832A1
WO2021003832A1 PCT/CN2019/104116 CN2019104116W WO2021003832A1 WO 2021003832 A1 WO2021003832 A1 WO 2021003832A1 CN 2019104116 W CN2019104116 W CN 2019104116W WO 2021003832 A1 WO2021003832 A1 WO 2021003832A1
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Prior art keywords
thermally conductive
sided adhesive
conductive double
double
graphite sheet
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PCT/CN2019/104116
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English (en)
French (fr)
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佘华伟
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佘华伟
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Publication of WO2021003832A1 publication Critical patent/WO2021003832A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
    • H05K7/20472—Sheet interfaces

Definitions

  • the invention relates to the technical field of heat dissipation of electronic equipment, in particular to a heat dissipation patch for electronic equipment.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide an electronic device heat dissipation patch.
  • the electronic device heat dissipation patch includes: a lining, a graphite sheet, the middle of the graphite sheet is provided with a window, and the graphite sheet is fixedly attached to the upper end surface of the lining
  • the first thermally conductive double-sided adhesive whose shape matches the shape of the window, the first thermally conductive double-sided adhesive is fixedly attached to the upper end surface of the lining and is placed in the window;
  • the second thermally conductive double-sided adhesive The second thermally conductive double-sided adhesive is fixedly attached to the upper end surface of the graphite sheet and the first thermally conductive double-sided adhesive;
  • the microfiber sheet used for fixedly attaching to the electronic device is fixedly attached to the second thermally conductive The upper end of the double-sided tape.
  • a first notch and a second notch are formed at both ends of the graphite sheet, and a third thermally conductive double-sided adhesive and a fourth thermally conductive double-sided adhesive are fixedly attached to both ends of the lining.
  • the third thermally conductive double-sided adhesive tape and the fourth thermally conductive double-sided adhesive fill the first gap and the second gap respectively, and the thickness of the third thermally conductive double-sided adhesive tape and the fourth thermally conductive double-sided adhesive tape are the same as the thickness of the graphite sheet.
  • 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.
  • the thickness of the first thermally conductive double-sided adhesive is the same as the thickness of the graphite sheet.
  • 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.
  • the lower end of the lining is provided with a first double-sided tape
  • the outer surface of the first double-sided tape is pasted with a first release paper, after tearing off the first release paper, the first The double-sided tape is attached to the protective cover of the electronic device, and the microfiber sheet is in contact with the electronic device installed in the protective cover.
  • the protective cover has a container for accommodating the electronic device, and the inner cloth is fixedly attached to the bottom of the container by the first double-sided adhesive.
  • the back of the protective cover is provided with a plurality of heat dissipation holes penetrating the cavity.
  • 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.
  • 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 the electronic equipment makes the present invention extremely competitive in the market.
  • the present invention is provided with a window in the middle of the graphite sheet.
  • a wireless charger 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.
  • 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.
  • FIG. 1-3 it is an electronic device heat dissipation patch, which is characterized in that it includes: a lining 1; a graphite sheet 2, the middle of the graphite sheet 2 is provided with a window 21, and the graphite sheet 2 is fixed and attached On the upper end surface of the lining 1; a first thermally conductive double-sided adhesive 3 whose shape is adapted to the shape of the window 21, and the first thermally conductive double-sided adhesive 3 is fixedly attached to the upper end of the lining 1, juxtaposed In the window 21; the second thermally conductive double-sided adhesive 4, the second thermally conductive double-sided adhesive 4 is fixedly attached to the upper end surface of the graphite sheet 2 and the first thermally conductive double-sided adhesive 3; used for fixed attachment to electronic equipment
  • the superfiber sheets 5 together are fixedly attached to the upper end surface of the second thermally conductive double-sided adhesive 4.
  • 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.
  • 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.
  • the present invention is provided with a window 21 in the middle of the graphite sheet 2.
  • the wireless charger 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.
  • the lining 1 is located at the bottom of the heat sink of the electronic device, and covers the lower end surface of the graphite sheet 2 and the first thermally conductive double-sided adhesive 3, and covers the gap between the graphite sheet 2 and the first thermally conductive double-sided adhesive 3 , To ensure the aesthetics of the appearance.
  • 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.
  • a first notch and a second notch are formed at both ends of the graphite sheet 2 respectively.
  • a third thermally conductive double-sided adhesive 6 and a fourth thermally conductive double-sided adhesive 7 are fixed and attached to both ends of the lining 1 respectively.
  • the double-sided adhesive 6 and the fourth thermally conductive double-sided adhesive 7 respectively fill the first gap and the second gap.
  • the thickness of the third and fourth thermally conductive double-sided adhesive tapes 6 and 7 is the same as the thickness of the graphite sheet 2.
  • the thickness of the first thermally conductive double-sided adhesive 3 is the same as the thickness of the graphite sheet 2.
  • 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.
  • 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 conjunction with 4 and 5, the lower end of the inner cloth 1 is provided with a first double-sided tape, and the outer surface of the first double-sided tape is pasted with a first release paper. After the first release paper is torn off, the The first double-sided adhesive is attached to the protective cover 8 of the electronic device, and the microfiber sheet 5 is attached to and contacted with the electronic device contained in the protective cover 8.
  • the protective cover 8 has a container 81 for accommodating the electronic device, and the lining 1 is fixedly attached to the bottom of the container 81 by a first double-sided adhesive.
  • 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.
  • 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.
  • the present invention is provided with a window 21 in the middle of the graphite sheet 2.
  • a wireless charger 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.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

一种电子设备散热贴片，其包括：里布；石墨片，其中部设置有窗口，且石墨片固定贴合于里布上端面；第一导热双面胶，其造型与窗口的造型相适配，第一导热双面胶固定贴合于里布上端面，并置于窗口中；第二导热双面胶，其固定贴合于石墨片及第一导热双面胶的上端面；用于与电子设备固定贴合的超纤片，其固定贴合于第二导热双面胶的上端面。当电子设备运行产生大量的热量会被第二导热双面胶吸附，并传导至石墨片，且由石墨片散发，达到高效导热散热效果；电子设备散热贴片为片状产品，其厚度较薄，可适用于较薄电子设备；无线充电器透过石墨片的窗口对电子设备进行无线充电，该石墨片不会对无线充电产生影响，保证无线充电的正常进行。

Description

一种电子设备散热贴片 技术领域：
本发明涉及电子设备散热技术领域，特指一种电子设备散热贴片。
背景技术：
为了使生活更加便利，现代微电子技术高速发展，不断开发出各种电子设备，如电脑、手机、平板电脑等。其中，由于电子装置运作时会产生大量的热能，而热能会影响电子装置运行速度，或者导致电子装置发生过热而死机。
为此，电子设备会增加散热器配合风扇以对其进行散热，但是会造成厚度的增加，以致不适用于较薄电子设备，如手机、平板电脑。
故此，迫切需要一种高效导热、轻便且厚度较薄的材料迅速将热量传递出去，保障电子设备正常运行。
有鉴于此，本发明人提出以下技术方案。
发明内容：
本发明的目的在于克服现有技术的不足，提供一种电子设备散热贴片。
为了解决上述技术问题，本发明采用了下述技术方案：该电子设备散热贴片包括：里布，石墨片，该石墨片中部设置有窗口，且该石墨片固定贴合于该里布上端面；第一导热双面胶，其造型与所述窗口的造型相适配，该第一导热双面胶固定贴合于该里布上端面，并置于该窗口中；第二导热双面胶，该第二导热双面胶固定贴合于该石墨片及第一导热双面胶的上端面；用于与电子设备固定贴合在一起的超纤片，其固定贴合于该第二导热双面胶的上端面。
进一步而言，上述技术方案中，所述石墨片两端分别形成有第一缺口和第二缺口，所述里布两端分别固定贴合有第三导热双面胶和第四导热双面胶，该第三导热双面胶和第四导热双面胶分别填充该第一缺口和第二缺口，该第三导热双面胶和第四导热双面胶的厚度均与石墨片的厚度相同。
进一步而言，上述技术方案中，所述窗口呈十字形，该第一导热双面胶呈十字形；或者是，所述窗口呈矩形，该第一导热双面胶呈矩形；或者是，所述窗口呈圆形，该第一导热双面胶呈圆形。
进一步而言，上述技术方案中，所述第一导热双面胶的厚度与石墨片的厚度相同。
进一步而言，上述技术方案中，所述超纤片上端面设置有第二双面胶，该第二双面胶上表面贴有第二离型纸，撕掉第二离型纸后，将第二双面胶贴合于电子设备上。
进一步而言，上述技术方案中，所述里布下端设置有第一双面胶，该第一双面胶外表面贴有第一离型纸，撕掉第一离型纸后，将第一双面胶贴合于电子设备的保护套内，该超纤片与装入保护套内的电子设备贴合接触。
进一步而言，上述技术方案中，所述保护套具有容置所述电子设备的容槽，里布通过第一双面胶固定贴合于该容槽底部。
进一步而言，上述技术方案中，所述保护套背部设置有复数贯通所述容槽的散热孔。
采用上述技术方案后，本发明与现有技术相比较具有如下有益效果：本发明采用超纤片与电子设备固定贴合，可达到防刮的功效，且当电子设备运行产生大量的热量时，该第二导热双面胶会将大量的热量吸附，并传导致石墨片，以由该 石墨片对热量进行散发，以达到散热的效果，且该石墨片具有极强的导热散热效果，令本发明具有极好的散热效果，再者，本发明为片状产品，其厚度较薄，以致可适用于较薄电子设备(如手机、平板电脑)，且能够对薄电子设备进行高效导热，保障电子设备正常运行，令本发明具有极强的市场竞争力。另外，本发明于石墨片中部设置有窗口，当采用无线充电器对电子设备(如手机)进行无线充电时，无线充电器透过该窗口直接对电子设备(如手机)进行无线充电，该石墨片不会对无线充电产生影响，保证无线充电的正常进行，使用起来十分方便，且该窗口内填充有第一导热双面胶，该第一导热双面胶还可进一步提高散热功效。
附图说明：
图1是本发明的立体图；
图2是本发明的剖视图；
图3是本发明的立体分解图；
图4是本发明装配于保护套后的立体图；
图5是本发明装配于保护套后另一视角的立体图。
具体实施方式：
下面结合具体实施例和附图对本发明进一步说明。
见图1-3所示，为一种电子设备散热贴片，其特征在于：其包括：里布1；石墨片2，该石墨片2中部设置有窗口21，且该石墨片2固定贴合于该里布1上端面；第一导热双面胶3，其造型与所述窗口21的造型相适配，该第一导热双面胶3固定贴合于该里布1上端面，并置于该窗口21中；第二导热双面胶4，该第二导热双面胶4固定贴合于该石墨片2及第一导热双面胶3的上端面；用于与电子设备固定贴合在一起的超纤片5，其固定贴合于该第二导热双面胶4的上 端面。本发明采用超纤片5与电子设备固定贴合，可达到防刮的功效，且当电子设备运行产生大量的热量时，该第二导热双面胶4会将大量的热量吸附，并传导致石墨片，以由该石墨片对热量进行散发，以达到散热的效果，且该石墨片具有极强的导热散热效果，令本发明具有极好的散热效果，再者，本发明为片状产品，其厚度较薄，以致可适用于较薄电子设备(如手机、平板电脑)，且能够对薄电子设备进行高效导热，保障电子设备正常运行，令本发明具有极强的市场竞争力。另外，本发明于石墨片2中部设置有窗口21，当采用无线充电器对电子设备(如手机)进行无线充电时，无线充电器透过该窗口21直接对电子设备(如手机)进行无线充电，该石墨片3不会对无线充电产生影响，保证无线充电的正常进行，使用起来十分方便，且该窗口21内填充有第一导热双面胶3，该第一导热双面胶3还可进一步提高散热功效。所述里布1位于电子设备散热贴片的底层，并覆盖于石墨片2与第一导热双面胶3的下端面，盖住于石墨片2与第一导热双面胶3之间的缝隙，保证外形的美观性。
石墨片是一种全新的导热散热材料，具有独特的晶粒取向，沿两个方向均匀导热，片层状结构可很好地适应任何表面，屏蔽热源与组件的同时改进消费类电子产品的性能。这种全新的天然石墨解决方案，散热效率高、占用空间小、重量轻，沿两个方向均匀导热，消除“热点”区域，屏蔽热源与组件的同时改进消费类电子产品的性能。
所述石墨片2两端分别形成有第一缺口和第二缺口，所述里布1两端分别固定贴合有第三导热双面胶6和第四导热双面胶7，该第三导热双面胶6和第四导热双面胶7分别填充该第一缺口和第二缺口，该第三导热双面胶6和第四导热双面胶7的厚度均与石墨片2的厚度相同。所述第一导热双面胶3的厚度与石墨片 2的厚度相同。
所述窗口21呈十字形，该第一导热双面胶3呈十字形；或者是，所述窗口21呈矩形，该第一导热双面胶3呈矩形；或者是，所述窗口21呈圆形，该第一导热双面胶3呈圆形。于本实施例中，所述窗口21呈十字形，该第一导热双面胶3呈十字形。
所述超纤片5上端面设置有第二双面胶，该第二双面胶上表面贴有第二离型纸，撕掉第二离型纸后，将第二双面胶贴合于电子设备上。或者是，结合4、5所示，所述里布1下端设置有第一双面胶，该第一双面胶外表面贴有第一离型纸，撕掉第一离型纸后，将第一双面胶贴合于电子设备的保护套8内，该超纤片5与装入保护套8内的电子设备贴合接触。
结合4、5所示，所述保护套8具有容置所述电子设备的容槽81，所述里布1通过第一双面胶固定贴合于该容槽81底部。所述保护套8背部设置有复数贯通所述容槽81的散热孔82，以此可进一步提高散热功效，令装在保护套8内的电子设备能够快速散热，保证电子设备运行顺畅，且不会死机，使用起来极为方便，解决了目前保护套不能散热的难题，令本发明具有极强的市场竞争力。
综上所述，本发明采用超纤片5与电子设备固定贴合，可达到防刮的功效，且当电子设备运行产生大量的热量时，该第二导热双面胶4会将大量的热量吸附，并传导致石墨片，以由该石墨片对热量进行散发，以达到散热的效果，且该石墨片具有极强的导热散热效果，令本发明具有极好的散热效果，再者，本发明为片状产品，其厚度较薄，以致可适用于较薄电子设备(如手机、平板电脑)，且能够对薄电子设备进行高效导热，保障电子设备正常运行，令本发明具有极强的市场竞争力。另外，本发明于石墨片2中部设置有窗口21，当采用无线充电 器对电子设备(如手机)进行无线充电时，无线充电器透过该窗口21直接对电子设备(如手机)进行无线充电，该石墨片3不会对无线充电产生影响，保证无线充电的正常进行，使用起来十分方便，且该窗口21内填充有第一导热双面胶3，该第一导热双面胶3还可进一步提高散热功效。
当然，以上所述仅为本发明的具体实施例而已，并非来限制本发明实施范围，凡依本发明申请专利范围所述构造、特征及原理所做的等效变化或修饰，均应包括于本发明申请专利范围内。

Claims (8)

  1. 一种电子设备散热贴片，其特征在于：其包括：
    里布(1)；
    石墨片(2)，该石墨片(2)中部设置有窗口(21)，且该石墨片(2)固定贴合于该里布(1)上端面；
    第一导热双面胶(3)，其造型与所述窗口(21)的造型相适配，该第一导热双面胶(3)固定贴合于该里布(1)上端面，并置于该窗口(21)中；
    第二导热双面胶(4)，该第二导热双面胶(4)固定贴合于该石墨片(2)及第一导热双面胶(3)的上端面；
    用于与电子设备固定贴合在一起的超纤片(5)，其固定贴合于该第二导热双面胶(4)的上端面。
  2. 根据权利要求1所述的一种电子设备散热贴片，其特征在于：所述石墨片(2)两端分别形成有第一缺口和第二缺口，所述里布(1)两端分别固定贴合有第三导热双面胶(6)和第四导热双面胶(7)，该第三导热双面胶(6)和第四导热双面胶(7)分别填充该第一缺口和第二缺口，该第三导热双面胶(6)和第四导热双面胶(7)的厚度均与石墨片(2)的厚度相同。
  3. 根据权利要求1所述的一种电子设备散热贴片，其特征在于：所述窗口(21)呈十字形，该第一导热双面胶(3)呈十字形；或者是，所述窗口(21)呈矩形，该第一导热双面胶(3)呈矩形；或者是，所述窗口(21)呈圆形，该第一导热双面胶(3)呈圆形。
  4. 根据权利要求1所述的一种电子设备散热贴片，其特征在于：所述第一导热双面胶(3)的厚度与石墨片(2)的厚度相同。
  5. 根据权利要求1-4任意一项所述的一种电子设备散热贴片，其特征在于：所述超纤片(5)上端面设置有第二双面胶，该第二双面胶上表面贴有第二离型纸，撕掉第二离型纸后，将第二双面胶贴合于电子设备上。
  6. 根据权利要求1-4任意一项所述的一种电子设备散热贴片，其特征在于：所述里布(1)下端设置有第一双面胶，该第一双面胶外表面贴有第一离型纸，撕掉第一离型纸后，将第一双面胶贴合于电子设备的保护套(8)内，该超纤片(5)与装入保护套(8)内的电子设备贴合接触。
  7. 根据权利要求6所述的一种电子设备散热贴片，其特征在于：所述保护套(8)具有容置所述电子设备的容槽(81)，所述里布(1)通过第一双面胶固定贴合于该容槽(81)底部。
  8. 根据权利要求7所述的一种电子设备散热贴片，其特征在于：所述保护套(8)背部设置有复数贯通所述容槽(81)的散热孔(82)。
PCT/CN2019/104116 2019-07-10 2019-09-03 一种电子设备散热贴片 WO2021003832A1 (zh)

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