CN209804851U - A heat dissipation sheet applied to mobile phone batteries - Google Patents
A heat dissipation sheet applied to mobile phone batteries Download PDFInfo
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- CN209804851U CN209804851U CN201920923187.0U CN201920923187U CN209804851U CN 209804851 U CN209804851 U CN 209804851U CN 201920923187 U CN201920923187 U CN 201920923187U CN 209804851 U CN209804851 U CN 209804851U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 116
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 101
- 239000010439 graphite Substances 0.000 claims abstract description 101
- 239000000853 adhesive Substances 0.000 claims abstract description 31
- 230000001070 adhesive effect Effects 0.000 claims abstract description 31
- 239000012790 adhesive layer Substances 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims 3
- 229920000297 Rayon Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 229910021389 graphene Inorganic materials 0.000 description 14
- 238000013461 design Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 6
- 239000003575 carbonaceous material Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及电子产品的散热结构的技术领域，尤其涉及一种应用于手机电池的散热片材。The utility model relates to the technical field of heat dissipation structures of electronic products, in particular to a heat dissipation sheet applied to mobile phone batteries.
背景技术Background technique
目前，电子产品的处理器功能越来越强，功耗越来越大，带来的就是发热量增大。因此电子产品的散热性能显得尤为重要。尤其是精密、便携的电子产品，比如智能手机等，功耗较高，发热量大，但是体积太小，散热一直是亟待解决的问题。比如智能手机，一般是采用在手机壳内表面粘贴一张复合材料的散热膜，用以贴合手机电池等发热部件与外壳，快速将热量传导散热。但是，目前的散热膜以下问题：At present, the processor functions of electronic products are getting stronger and stronger, and the power consumption is getting bigger and bigger, which brings about an increase in heat generation. Therefore, the heat dissipation performance of electronic products is particularly important. Especially precision and portable electronic products, such as smart phones, have high power consumption and high heat generation, but the volume is too small, so heat dissipation has always been an urgent problem to be solved. For example, smartphones generally use a heat dissipation film of a composite material on the inner surface of the mobile phone case to fit the heat-generating components such as the mobile phone battery and the case, and quickly conduct heat to dissipate heat. However, the current cooling film has the following problems:
1)结构简单，但散热效果差；1) The structure is simple, but the heat dissipation effect is poor;
2)散热效果佳，但结构复杂，造价成本高，加工繁琐。2) The heat dissipation effect is good, but the structure is complicated, the cost is high, and the processing is cumbersome.
因此，有必要提供一种技术手段以解决上述缺陷。Therefore, it is necessary to provide a technical means to solve the above defects.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术之缺陷，提供一种应用于手机电池的散热片材，以解决现有技术中的散热膜存在散热效果差、结构复杂、造价成本高及加工繁琐的问题。The purpose of the utility model is to overcome the defects of the prior art and provide a heat dissipation sheet applied to mobile phone batteries to solve the problems of poor heat dissipation effect, complex structure, high cost and cumbersome processing of the heat dissipation film in the prior art .
本实用新型是这样实现的，一种应用于手机电池的散热片材，包括：The utility model is achieved in this way, a heat dissipation sheet applied to mobile phone batteries, comprising:
石墨散热组件，所述石墨散热组件包括第一石墨片、第二石墨片及石墨粘胶层，所述石墨粘胶层设于所述第一石墨片与所述第二石墨片之间；所述第一石墨片投在所述石墨粘胶层的投影位于所述石墨粘胶层的范围内，所述第二石墨片投在所述石墨粘胶层的投影位于所述石墨粘胶层的范围内；A graphite heat dissipation component, the graphite heat dissipation component includes a first graphite sheet, a second graphite sheet and a graphite adhesive layer, the graphite adhesive layer is arranged between the first graphite sheet and the second graphite sheet; The projection of the first graphite sheet cast on the graphite adhesive layer is located within the scope of the graphite adhesive layer, and the projection of the second graphite sheet cast on the graphite adhesive layer is located within the scope of the graphite adhesive layer within the scope;
第一单面胶，所述第一单面胶设于所述第一石墨片的上端；A first single-sided adhesive, the first single-sided adhesive is arranged on the upper end of the first graphite sheet;
保护膜，所述保护膜覆盖设于所述第一单面胶上；A protective film, the protective film is covered on the first single-sided adhesive;
第二单面胶，所述第二单面胶设于所述第二石墨片的下端；A second single-sided adhesive, the second single-sided adhesive is arranged at the lower end of the second graphite sheet;
离型膜，所述离型膜设于所述第二单面胶的底端，且所述离型膜的长宽尺寸大于或等于所述石墨粘胶层的长宽尺寸。A release film, the release film is arranged at the bottom of the second single-sided adhesive, and the length and width of the release film are greater than or equal to the length and width of the graphite adhesive layer.
具体地，所述第一石墨片的长宽尺寸大于所述第二石墨片的长宽尺寸。Specifically, the length and width dimensions of the first graphite sheet are larger than the length and width dimensions of the second graphite sheet.
进一步地，所述第一石墨片为0.01-0.015mm。Further, the first graphite sheet is 0.01-0.015mm in size.
较佳地，所述第二石墨片的厚度均为0.01-0.015mm。Preferably, the thickness of the second graphite sheet is 0.01-0.015mm.
具体地，所述石墨粘胶层的厚度为0.055-0.065mm。Specifically, the thickness of the graphite adhesive layer is 0.055-0.065 mm.
具体地，所述保护膜的厚度为0.05mm。Specifically, the thickness of the protective film is 0.05mm.
具体地，所述离型膜的厚度为0.08mm。Specifically, the thickness of the release film is 0.08mm.
具体地，所述第二单面胶的长宽尺寸大于所述第二石墨片的长宽尺寸。Specifically, the length and width dimensions of the second single-sided adhesive tape are larger than the length and width dimensions of the second graphite sheet.
进一步地，所述第二单面胶的厚度为0.01-0.012mm。Further, the thickness of the second single-sided adhesive is 0.01-0.012mm.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
本申请的应用于手机电池的散热片材主要由石墨散热组件、第一单面胶、保护膜、第二单面胶及离型膜组成，其不但结构简单，而且安装方便，只要去掉离型膜，手工贴合于手机电池壳上，产品步距无要求，便可将该散热片材进行安装设置；同时，通过石墨散热组件的设置，可对手机电池上产生的热量快速散去，保证了手机整体的散热效果。The heat dissipation sheet applied to mobile phone batteries of this application is mainly composed of graphite heat dissipation components, the first single-sided adhesive, a protective film, the second single-sided adhesive and a release film. It is not only simple in structure, but also easy to install. The film is manually attached to the battery case of the mobile phone, and the product step distance is not required, so the heat dissipation sheet can be installed and set; at the same time, through the setting of the graphite heat dissipation component, the heat generated on the mobile phone battery can be quickly dissipated, ensuring Improve the overall cooling effect of the mobile phone.
另外，采用本申请的应用于手机电池的散热片材还能有效地增加手机摄像光感，增强清晰度。In addition, the use of the heat dissipation sheet applied to mobile phone batteries of the present application can also effectively increase the light perception of mobile phone cameras and enhance the definition.
附图说明Description of drawings
图1为本实用新型实施例的应用于手机电池的散热片材的结构示意图；Fig. 1 is a schematic structural view of a heat dissipation sheet applied to a mobile phone battery according to an embodiment of the present invention;
图2为本实用新型实施例的应用于手机电池的散热片材的分解图。Fig. 2 is an exploded view of a heat dissipation sheet applied to a mobile phone battery according to an embodiment of the present invention.
具体实施方式Detailed ways
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
请参阅图1和图2，为本实用新型提供的一较佳实施例，而本实施例涉及一种应用于手机电池的散热片材1，其包括石墨散热组件10、第一单面胶20、保护膜30、第二单面胶40及离型膜50，下面对应用于手机电池的散热片材1的各部件作进一步描述；Please refer to Fig. 1 and Fig. 2, it is a preferred embodiment that the present utility model provides, and this embodiment relates to a kind of cooling sheet material 1 that is applied to mobile phone battery, and it comprises graphite cooling component 10, the first single-sided glue 20 , protective film 30, second single-sided adhesive tape 40 and release film 50, each part of the heat dissipation sheet 1 applied to mobile phone batteries is further described below;
石墨散热组件10包括第一石墨片11、第二石墨片12及石墨粘胶层13，石墨粘胶层13设于第一石墨片11与第二石墨片12之间；第一石墨片11投在石墨粘胶层13的投影位于石墨粘胶层13的范围内，以此保证第一石墨片11较好地贴附在石墨粘胶层13上，第二石墨片12投在石墨粘胶层13的投影位于石墨粘胶层13的范围内，以此保证第二石墨片12较好地贴附在石墨粘胶层13上；The graphite heat dissipation assembly 10 comprises a first graphite sheet 11, a second graphite sheet 12 and a graphite adhesive layer 13, and the graphite adhesive layer 13 is arranged between the first graphite sheet 11 and the second graphite sheet 12; the first graphite sheet 11 casts The projection of the graphite adhesive layer 13 is located within the scope of the graphite adhesive layer 13, so as to ensure that the first graphite sheet 11 is preferably attached to the graphite adhesive layer 13, and the second graphite sheet 12 is cast on the graphite adhesive layer The projection of 13 is located within the scope of the graphite adhesive layer 13, so as to ensure that the second graphite sheet 12 is preferably attached on the graphite adhesive layer 13;
第一单面胶20设于第一石墨片11的上端，并完全覆盖第一石墨片11和石墨粘胶层13，具体地，该第一单面胶20的长宽尺寸大于或等于石墨粘胶层13的长宽尺寸；较佳地，该第一单面胶20为黑色的PET胶膜；The first single-sided adhesive 20 is arranged on the upper end of the first graphite sheet 11, and completely covers the first graphite sheet 11 and the graphite adhesive layer 13. Specifically, the length and width of the first single-sided adhesive 20 are greater than or equal to the graphite adhesive. The length and width dimensions of the adhesive layer 13; preferably, the first single-sided adhesive 20 is a black PET adhesive film;
保护膜30完全覆盖设于第一单面胶20上，具体地，保护膜30的长宽尺寸大于或等于第一单面胶20的长宽尺寸；较佳地，该保护膜30为蓝色的PET保护膜；The protective film 30 is completely covered on the first single-sided adhesive tape 20, specifically, the length and width dimensions of the protective film 30 are greater than or equal to the length and width dimensions of the first single-sided adhesive tape 20; preferably, the protective film 30 is blue PET protective film;
第二单面胶40设于第二石墨片12的下端；较佳地，该第二单面胶20为透明或者其他颜色的PET胶膜；The second single-sided adhesive 40 is located at the lower end of the second graphite sheet 12; preferably, the second single-sided adhesive 20 is a transparent or PET film of other colors;
离型膜50完全覆盖设于第二单面胶40的底端，且离型膜50的长宽尺寸大于或等于石墨粘胶层13的长宽尺寸。The release film 50 completely covers the bottom of the second single-sided adhesive 40 , and the length and width of the release film 50 are greater than or equal to the length and width of the graphite adhesive layer 13 .
其中，本实施例的应用于手机电池的散热片材1主要由石墨散热组件10、第一单面胶20、保护膜30、第二单面胶40及离型膜50组成，其不但结构简单，而且安装方便，只要去掉离型膜50，便可将该散热片材进行安装设置；同时，通过石墨散热组件10的设置，可对手机电池上产生的热量快速散去，保证了手机整体的散热效果。Wherein, the heat dissipation sheet 1 applied to the cell phone battery of the present embodiment is mainly composed of a graphite heat dissipation assembly 10, a first single-sided adhesive 20, a protective film 30, a second single-sided adhesive 40 and a release film 50, which not only has a simple structure , and easy to install, as long as the release film 50 is removed, the heat dissipation sheet can be installed and set; at the same time, through the setting of the graphite heat dissipation component 10, the heat generated on the mobile phone battery can be dissipated quickly, ensuring the overall safety of the mobile phone heat radiation.
另外，采用本申请的应用于手机电池的散热片材还能有效地增加手机摄像光感，增强清晰度。In addition, the use of the heat dissipation sheet applied to mobile phone batteries of the present application can also effectively increase the light perception of mobile phone cameras and enhance the definition.
请参阅图1，本实施例的第一石墨片11和第二石墨片12的石墨材料为采用石墨烯制成，其中，石墨烯(Graphenes)：是一种二维碳材料，是单层石墨烯、双层石墨烯和多层石墨烯的统称；Please refer to Fig. 1, the graphite material of the first graphite sheet 11 of the present embodiment and the second graphite sheet 12 is to adopt graphene to make, and wherein, Graphene (Graphenes): is a kind of two-dimensional carbon material, is single-layer graphite Generic term for bilayer graphene and multilayer graphene;
单层石墨烯(Graphene)：指由一层以苯环结构(即六角形蜂巢结构)周期性紧密堆积的碳原子构成的一种二维碳材料；Single-layer graphene (Graphene): refers to a two-dimensional carbon material composed of a layer of carbon atoms that are periodically densely packed in a benzene ring structure (ie, a hexagonal honeycomb structure);
双层石墨烯(Bilayer or double-layer graphene)：指由两层以苯环结构(即六角形蜂巢结构)周期性紧密堆积的碳原子以不同堆垛方式(包括AB堆垛，AA堆垛等)堆垛构成的一种二维碳材料；Double-layer graphene (Bilayer or double-layer graphene): refers to two layers of carbon atoms that are periodically densely packed in a benzene ring structure (ie, a hexagonal honeycomb structure) in different stacking ways (including AB stacking, AA stacking, etc. ) A two-dimensional carbon material composed of stacks;
少层石墨烯(Few-layer)：指由3-10层以苯环结构(即六角形蜂巢结构)周期性紧密堆积的碳原子以不同堆垛方式(包括ABC堆垛，ABA堆垛等)堆垛构成的一种二维碳材料；Few-layer graphene (Few-layer): refers to 3-10 layers of carbon atoms that are periodically densely packed in a benzene ring structure (ie, hexagonal honeycomb structure) in different stacking ways (including ABC stacking, ABA stacking, etc.) A two-dimensional carbon material composed of stacks;
多层或厚层石墨烯(multi-layer graphene)：指厚度在10层以上10nm以下苯环结构(即六角形蜂巢结构)周期性紧密堆积的碳原子以不同堆垛方式(包括ABC堆垛，ABA堆垛等)堆垛构成的一种二维碳材料；Multi-layer or thick-layer graphene (multi-layer graphene): refers to the benzene ring structure (that is, hexagonal honeycomb structure) with a thickness of more than 10 layers and less than 10 nm, which is periodically packed closely with carbon atoms in different stacking methods (including ABC stacking, ABA stacking, etc.) a two-dimensional carbon material composed of stacks;
石墨烯是已知的世上最薄、最坚硬的纳米材料，它几乎是完全透明的，只吸收2.3％的光；导热系数高达5300W/m·K，高于碳纳米管和金刚石，常温下其电子迁移率超过15000cm2/V·s，又比纳米碳管或硅晶体高，而电阻率只约10-6Ω·cm，比铜或银更低，为世上电阻率最小的材料。因其电阻率极低，电子迁移的速度极快，因此被期待可用来发展更薄、导电速度更快的新一代电子元件或晶体管；由于石墨烯实质上是一种透明、良好的导体，也适合用来制造透明触控屏幕、光板、甚至是太阳能电池。Graphene is the thinnest and hardest nano-material known in the world. It is almost completely transparent and only absorbs 2.3% of light; its thermal conductivity is as high as 5300W/m K, which is higher than that of carbon nanotubes and diamonds. The electron mobility exceeds 15000cm 2 /V·s, which is higher than carbon nanotubes or silicon crystals, and the resistivity is only about 10 -6 Ω·cm, which is lower than copper or silver. It is the material with the smallest resistivity in the world. Because of its extremely low resistivity and extremely fast electron migration, it is expected to be used to develop a new generation of electronic components or transistors that are thinner and conduct electricity faster; since graphene is essentially a transparent and good conductor, it is also Suitable for making transparent touch screens, light panels, and even solar cells.
为了可以保证均匀有序地散去手机电池上产生的热量，并可节省材料，降低成本，优化生产设计，第一石墨片11的长宽尺寸大于第二石墨片12的长宽尺寸。In order to ensure that the heat generated on the mobile phone battery is dissipated evenly and orderly, and to save materials, reduce costs, and optimize production design, the length and width of the first graphite sheet 11 are larger than the length and width of the second graphite sheet 12 .
同时地，由于石墨片本身也是导电体，而且容易产生粉尘，如粉尘落到电路板上很有可能会引起电路板短路，故在设计的时候大多采用全密封设计，以考虑散热问题，故，把两边包边用的材料尽可能采用薄的；同理，石墨粘胶层13过厚也会影响导热。由此，第一石墨片11、第二石墨片12为0.01-0.015mm，石墨粘胶层13的厚度为0.055-0.065mm，以保证在此范围值内所形成的石墨散热组件10达到较好的散热效果同时，也保证本实施例的应用于手机电池的散热片材1的整体厚度可以应用于不同类型的手机电池；优选地，该第一石墨片11和第二石墨片12的厚度均为0.01mm，石墨粘胶层13的厚度为0.06mm，由此，所形成的石墨散热组件10的整体厚度为0.08mm。石墨片本身也是导电体，而且容易产生粉尘，如粉尘落到电路板上很有可能会引起电路板短路，故客户在设计的时候大多采用全密封设计，考虑散热问题，故把两边包边用的材料尽可能采用薄的(胶层厚会影响导热)At the same time, since the graphite sheet itself is also a conductor, and it is easy to generate dust, if the dust falls on the circuit board, it may cause a short circuit on the circuit board. Therefore, most of the design adopts a fully sealed design to consider the heat dissipation problem. Therefore, The materials used for wrapping both sides are as thin as possible; similarly, too thick graphite adhesive layer 13 will also affect heat conduction. Therefore, the thickness of the first graphite sheet 11 and the second graphite sheet 12 is 0.01-0.015 mm, and the thickness of the graphite adhesive layer 13 is 0.055-0.065 mm, so as to ensure that the graphite heat dissipation assembly 10 formed within this range achieves better At the same time, it is guaranteed that the overall thickness of the heat dissipation sheet 1 applied to mobile phone batteries in this embodiment can be applied to different types of mobile phone batteries; preferably, the thicknesses of the first graphite sheet 11 and the second graphite sheet 12 are the same. is 0.01mm, and the thickness of the graphite adhesive layer 13 is 0.06mm, thus, the overall thickness of the formed graphite heat dissipation assembly 10 is 0.08mm. Graphite sheet itself is also a conductor, and it is easy to generate dust. If the dust falls on the circuit board, it may cause a short circuit on the circuit board. Therefore, most customers use a fully sealed design when designing. Considering the heat dissipation problem, the two sides are wrapped with The material should be as thin as possible (the thickness of the glue layer will affect the heat conduction)
另外，本实施例的保护膜30的厚度为0.05mm，据此，除了保证其达到所需的产品设计要求，还能避免浪费材料，降低生产成本，合理优化设计。In addition, the thickness of the protective film 30 in this embodiment is 0.05 mm. According to this, in addition to ensuring that it meets the required product design requirements, it can also avoid waste of materials, reduce production costs, and rationally optimize the design.
而离型膜的厚度为0.08mm，也是除了保证其达到所需的产品设计要求，还能避免浪费材料，降低生产成本，合理优化设计。The thickness of the release film is 0.08mm, in addition to ensuring that it meets the required product design requirements, it can also avoid waste of materials, reduce production costs, and optimize the design reasonably.
请再参阅图1，本实施例的第二单面胶40的长宽尺寸大于第二石墨片12的长宽尺寸，以可完全覆盖第二石墨片12；同时地，第二单面胶40与第二石墨片12的对应边之间的距离为0.5mm。而且，第二单面胶40的厚度为0.01-0.012mm，优选地，第二单面胶40的厚度为0.012mm，以保证其达到产品要求的同时，避免浪费材料，降低生产成本。Please refer to Fig. 1 again, the length and width dimension of the second single-sided adhesive tape 40 of the present embodiment is greater than the length and width dimension of the second graphite sheet 12, so that the second graphite sheet 12 can be completely covered; Simultaneously, the second single-sided adhesive tape 40 The distance from the corresponding side of the second graphite sheet 12 is 0.5 mm. Moreover, the thickness of the second single-sided adhesive 40 is 0.01-0.012mm. Preferably, the thickness of the second single-sided adhesive 40 is 0.012mm, so as to ensure that it meets product requirements, avoid waste of materials, and reduce production costs.
以上所述仅为本实用新型较佳的实施例而已，其结构并不限于上述列举的形状，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。The above description is only a preferred embodiment of the utility model, and its structure is not limited to the shapes listed above. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model should include Within the protection scope of the present utility model.
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