技术领域technical field
本发明涉及电子设备领域，尤其涉及一种屏蔽罩和移动终端。The invention relates to the field of electronic equipment, in particular to a shielding cover and a mobile terminal.
背景技术Background technique
随着手机行业的发展，手机配置越来越高，CPU主频越来越高，使得手机可以实现更多、更复杂的功能，但是同时也会导致手机的功耗越来越大，进而导致手机发热量也相应变大，如果这些热量得不到控制或转移，那么处于高温状态的发热器件会导致手机运算变慢，甚至卡顿，而且这些热量也会使手机外壳温度过高，导致会有烫手，烫耳朵等问题发生。With the development of the mobile phone industry, the configuration of mobile phones is getting higher and higher, and the main frequency of CPU is getting higher and higher, so that mobile phones can realize more and more complex functions, but at the same time, it will also cause the power consumption of mobile phones to increase, which will lead to The heat generated by the mobile phone also increases accordingly. If the heat cannot be controlled or transferred, the high-temperature heating device will cause the mobile phone to slow down or even freeze, and the heat will also make the mobile phone shell temperature too high, resulting in There are problems such as hot hands and ears.
发明内容Contents of the invention
本发明实施例提供一种屏蔽罩和移动终端，可有效降低手机中的发热器件的温度，并可以避免手机外壳温度过高。Embodiments of the present invention provide a shielding cover and a mobile terminal, which can effectively reduce the temperature of a heating element in a mobile phone and prevent the temperature of the mobile phone shell from being too high.
本发明实施例提供了一种屏蔽罩，包括：屏蔽支架、屏蔽盖以及吸热散热件，所述屏蔽盖盖设于所述屏蔽支架上，所述吸热散热件设置在所述屏蔽支架和所述屏蔽盖上；An embodiment of the present invention provides a shielding case, including: a shielding bracket, a shielding cover, and a heat-absorbing and heat-dissipating element. on the shielding cover;
所述吸热散热件包括具有吸热、储热和散热功能的材料属性的混合材料，所述混合材料由吸热储热材料和导热散热材料组成；所述导热散热材料用于将所述屏蔽支架和所述屏蔽盖上的热量传递给所述吸热储热材料，所述吸热储热材料用于吸收并储存所述屏蔽支架和所述屏蔽盖上的热量，同时储存所述导热散热材料传导的热量；所述屏蔽支架和所述屏蔽盖上的热量来自于所屏蔽的发热器件。The heat-absorbing and heat-dissipating part includes a mixed material with material properties of heat-absorbing, heat-storing and heat-dissipating functions, and the mixed material is composed of heat-absorbing heat-storing material and heat-conducting and heat-dissipating material; the heat-conducting and heat-dissipating material is used to shield the The heat on the bracket and the shielding cover is transferred to the heat-absorbing and heat-storage material, and the heat-absorbing and heat-storing material is used to absorb and store the heat on the shielding bracket and the shielding cover, while storing the heat conduction and heat dissipation The heat conducted by the material; the heat on the shielding bracket and the shielding cover comes from the shielded heating element.
其中，所述导热散热材料和所述吸热储热材料之间的配比值为1:1。Wherein, the ratio between the heat-conducting and heat-dissipating material and the heat-absorbing and heat-storing material is 1:1.
其中，所述混合材料中的所述吸热储热材料是由聚乙二醇和二氧化硅组成的相变吸热储热材料，所述聚乙二醇和所述二氧化硅之间的配比值为1:1-9:1；所述导热散热材料是石墨或金属。Wherein, the endothermic heat storage material in the mixed material is a phase-change endothermic heat storage material composed of polyethylene glycol and silicon dioxide, and the ratio between the polyethylene glycol and the silicon dioxide is 1:1-9:1; the heat conduction and heat dissipation material is graphite or metal.
其中，所述吸热储热材料由若干以凝胶后的二氧化硅为囊壁、以乳化后的聚乙二醇为囊芯的微胶囊构成。Wherein, the heat-absorbing heat-storage material is composed of several microcapsules with gelled silicon dioxide as the capsule wall and emulsified polyethylene glycol as the capsule core.
其中，所述吸热散热件还包括稀释溶剂和粘结溶液；Wherein, the heat-absorbing and heat-dissipating parts also include a dilution solvent and a bonding solution;
所述混合材料与所述稀释溶剂粘结溶液混合形成吸热散热涂布材料，所述吸热散热涂布材料涂布于所述屏蔽支架、所述屏蔽盖的正面和/或反面上。The mixed material is mixed with the diluted solvent bonding solution to form a heat-absorbing and heat-dissipating coating material, and the heat-absorbing and heat-dissipating coating material is coated on the front side and/or the back side of the shielding bracket and the shielding cover.
其中，所述吸热散热件还包括保护膜；Wherein, the heat-absorbing and heat-dissipating element also includes a protective film;
所述保护膜粘接设置于所述吸热散热涂布材料上，且远离所述屏蔽支架、所述屏蔽盖的正面和/或反面。The protective film is adhesively arranged on the heat-absorbing and heat-dissipating coating material, and is away from the front and/or back of the shielding bracket and the shielding cover.
其中，所述吸热散热件还包括稀释溶剂、粘结溶液、保护膜以及胶层；Wherein, the heat-absorbing and heat-dissipating part also includes a dilution solvent, a bonding solution, a protective film, and an adhesive layer;
所述混合材料与所述稀释溶剂粘结溶液混合形成吸热散热涂布材料，所述吸热散热涂布材料涂布于所述保护膜的一侧，所述胶层的一侧与所述保护膜中涂布有所述吸热散热涂布材料的一侧粘接，所述胶层的另一侧与所述屏蔽支架、所述屏蔽盖的正面和/或反面粘接。The mixed material is mixed with the diluted solvent bonding solution to form a heat-absorbing and heat-dissipating coating material, and the heat-absorbing and heat-dissipating coating material is coated on one side of the protective film, and one side of the adhesive layer is connected to the One side of the protective film coated with the heat-absorbing and heat-dissipating coating material is bonded, and the other side of the adhesive layer is bonded to the front and/or back of the shielding bracket and the shielding cover.
其中，所述吸热散热件还包括钛酸酯偶联剂和胶层；Wherein, the heat-absorbing and heat-dissipating part also includes a titanate coupling agent and an adhesive layer;
所述混合材料与所述钛酸酯偶联剂混合制成吸热散热片状材料，所述胶层的一侧与所述吸热散热片状材料粘接，所述胶层的另一侧与所述屏蔽支架、所述屏蔽盖的正面和/或反面粘接。The mixed material is mixed with the titanate coupling agent to form a heat-absorbing and heat-dissipating sheet material, one side of the adhesive layer is bonded to the heat-absorbing and heat-dissipating sheet material, and the other side of the adhesive layer is Adhere to the front and/or back of the shielding bracket and the shielding cover.
其中，所述吸热散热件还包括保护膜；Wherein, the heat-absorbing and heat-dissipating element also includes a protective film;
所述保护膜粘接设置于所述吸热散热片状材料上，且远离所述屏蔽支架、所述屏蔽盖的正面和/或反面。The protective film is adhesively arranged on the heat-absorbing and heat-dissipating sheet material, and is away from the front side and/or the back side of the shielding bracket and the shielding cover.
本发明实施例还提供了一种移动终端，包括壳体和上述的屏蔽罩，所述壳体边缘部位开设导热孔。An embodiment of the present invention also provides a mobile terminal, including a casing and the above-mentioned shielding cover, wherein a heat conduction hole is provided at an edge of the casing.
本发明实施例通过在屏蔽支架和屏蔽盖上设置吸热散热件，且吸热散热件包括具有吸热、储热以及散热功能的材料属性的混合材料，并且混合材料中的导热散热材料可用于将屏蔽罩上的热量传递给吸热储热材料，吸热储热材料可用于吸收并储存屏蔽罩上的热量，同时储存导热散热材料传导的热量，从而可以降低屏蔽罩所屏蔽的发热器件的温度，以保证手机正常运行，同时还可以避免发热器件的热量直接传递到手机外壳上，进而可以避免手机外壳温度过高。In the embodiment of the present invention, heat-absorbing and heat-dissipating parts are arranged on the shielding bracket and the shielding cover, and the heat-absorbing and heat-dissipating parts include a mixed material with material properties of heat absorption, heat storage and heat dissipation, and the heat-conducting and heat-dissipating materials in the mixed material can be used for The heat on the shield is transferred to the heat-absorbing heat storage material, which can be used to absorb and store the heat on the shield, and at the same time store the heat conducted by the heat-conducting and heat-dissipating material, thereby reducing the heat generation of the heat-generating device shielded by the shield Temperature to ensure the normal operation of the mobile phone, and at the same time prevent the heat of the heating device from being directly transferred to the mobile phone shell, thereby preventing the mobile phone shell from being too hot.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1是本发明一实施例提供的一种屏蔽罩的结构示意图；Fig. 1 is a schematic structural diagram of a shielding cover provided by an embodiment of the present invention;
图2是本发明另一实施例提供的一种屏蔽罩的结构示意图；Fig. 2 is a schematic structural diagram of a shield provided by another embodiment of the present invention;
图2a是本发明一实施例提供的一种吸热散热件的结构示意图；Fig. 2a is a schematic structural diagram of a heat-absorbing and heat-dissipating element provided by an embodiment of the present invention;
图3是本发明又一实施例提供的一种屏蔽罩的结构示意图；Fig. 3 is a schematic structural diagram of a shield provided by another embodiment of the present invention;
图4是本发明一实施例提供的移动终端的示意图。Fig. 4 is a schematic diagram of a mobile terminal provided by an embodiment of the present invention.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
本发明实施例提供了一种屏蔽罩，所述屏蔽罩可以包括屏蔽支架、屏蔽盖以及吸热散热件，所述屏蔽盖盖设于所述屏蔽支架上，所述吸热散热件设置在所述屏蔽支架和所述屏蔽盖上，所述屏蔽支架可焊接在电路板上。An embodiment of the present invention provides a shielding case. The shielding case may include a shielding bracket, a shielding cover, and a heat-absorbing and heat-dissipating part. The shielding cover is set on the shielding support. The shielding bracket and the shielding cover, the shielding bracket can be welded on the circuit board.
其中，所述吸热散热件包括具有吸热、储热以及散热功能的材料属性的混合材料，进一步的，所述混合材料是由导热散热材料和吸热储热材料混合形成的；所述导热散热材料用于将所述屏蔽支架和所述屏蔽盖上的热量传递给所述吸热储热材料，所述吸热储热材料用于吸收并储存所述屏蔽支架和所述屏蔽盖上的热量，同时储存所述导热散热材料传导的热量；所述屏蔽支架和所述屏蔽盖上的热量来自于所屏蔽的发热器件。其中，根据所述吸热散热件的不同形态，可以对应有不同的设置方法(该设置方法可以包括涂布设置、粘接设置等等)，例如，若所述吸热散热件为可涂布形态时，则可以将所述吸热散热件涂布在所述屏蔽支架、所述屏蔽盖的正面和/或反面上；若所述吸热散热件为片状形态时，则可以将所述吸热散热件粘接于所述屏蔽支架、所述屏蔽盖的正面和/或反面上。其中，通过所述吸热散热件中的所述混合材料所包含的吸热储热材料进行吸热和储热，可以对所述屏蔽罩所对应的发热器件的热量进行吸收并存储于所述吸热储热材料中，以降低发热器件的温度，并且通过存储热量可以避免发热器件的热量直接传递到手机外壳；通过所述吸热散热件中的所述混合材料所包含的导热散热材料进行散热，可以加速对所述吸热散热件进行散热，进一步加强了对发热器件的降温效果。Wherein, the heat-absorbing and heat-dissipating part includes a mixed material with material properties of heat-absorbing, heat-storing and heat-dissipating functions, and further, the mixed material is formed by mixing heat-conducting and heat-dissipating materials with heat-absorbing and heat-storing materials; the heat-conducting The heat dissipation material is used to transfer the heat on the shielding bracket and the shielding cover to the heat absorbing heat storage material, and the heat absorbing heat storage material is used to absorb and store the heat on the shielding bracket and the shielding cover heat, while storing the heat conducted by the heat-conducting and heat-dissipating material; the heat on the shielding bracket and the shielding cover comes from the shielded heating element. Wherein, according to the different forms of the heat-absorbing and heat-dissipating parts, there may be different setting methods (the setting methods may include coating setting, bonding setting, etc.), for example, if the heat-absorbing and heat-dissipating parts are coatable form, the heat-absorbing and heat-dissipating element can be coated on the front and/or reverse surfaces of the shielding bracket and the shield cover; The heat-absorbing and heat-dissipating parts are bonded to the front and/or back surfaces of the shielding bracket and the shielding cover. Wherein, the heat of the heat generating device corresponding to the shield can be absorbed and stored in the heat absorbing and heat storing material contained in the heat absorbing and heat dissipating parts through the heat absorbing and heat storing material included in the heat absorbing and heat dissipating member. heat-absorbing heat-storage material to reduce the temperature of the heat-generating device, and by storing heat, the heat of the heat-generating device can be prevented from being directly transferred to the mobile phone shell; through the heat-conducting and heat-dissipating material contained in the mixed material in the heat-absorbing and heat-dissipating part. The heat dissipation can accelerate the heat dissipation of the heat-absorbing and heat-dissipating parts, further enhancing the cooling effect on the heat-generating components.
可选的，所述吸热散热件中的所述混合材料所包含的吸热储热材料可以为相变材料，例如，所述吸热储热材料通过逐渐吸收热量，所述吸热储热材料的质地可以由硬变软，以实现储热的功能，即所述吸热散热件的质地也会根据吸收热量的增加而由硬变软。Optionally, the heat-absorbing and heat-storage material included in the mixed material in the heat-absorbing and heat-dissipating element may be a phase-change material, for example, the heat-absorbing and heat-storing material gradually absorbs heat, and the heat-absorbing and heat-storing material The texture of the material can change from hard to soft to realize the function of heat storage, that is, the texture of the heat-absorbing and heat-dissipating parts will also change from hard to soft according to the increase of heat absorbed.
本发明实施例通过在屏蔽支架和屏蔽盖上设置吸热散热件，且吸热散热件包括具有吸热、储热以及散热功能的材料属性的混合材料，并且混合材料中的导热散热材料可用于将屏蔽罩上的热量传递给吸热储热材料，吸热储热材料可用于吸收并储存屏蔽罩上的热量，同时储存导热散热材料传导的热量，从而可以降低屏蔽罩所屏蔽的发热器件的温度，以保证手机正常运行，同时还可以避免发热器件的热量直接传递到手机外壳上，进而可以避免手机外壳温度过高。In the embodiment of the present invention, heat-absorbing and heat-dissipating parts are arranged on the shielding bracket and the shielding cover, and the heat-absorbing and heat-dissipating parts include a mixed material with material properties of heat absorption, heat storage and heat dissipation, and the heat-conducting and heat-dissipating materials in the mixed material can be used for The heat on the shield is transferred to the heat-absorbing heat storage material, which can be used to absorb and store the heat on the shield, and at the same time store the heat conducted by the heat-conducting and heat-dissipating material, thereby reducing the heat generation of the heat-generating device shielded by the shield Temperature to ensure the normal operation of the mobile phone, and at the same time prevent the heat of the heating device from being directly transferred to the mobile phone shell, thereby preventing the mobile phone shell from being too hot.
请参见图1，是本发明实施例提供的一种屏蔽罩100的结构示意图；所述屏蔽罩100包括屏蔽支架20、屏蔽盖10以及吸热散热件30，图1所示的是所述屏蔽罩100中的所述屏蔽支架20和所述屏蔽盖10的分解图，所述屏蔽盖10可以盖设于所述屏蔽支架20上，所述吸热散热件30设置在所述屏蔽支架20和所述屏蔽盖10上；所述吸热散热件30包括具有吸热、储热以及散热功能的材料属性的混合材料。其中，将所述屏蔽盖10面向所述屏蔽支架20的内表面作为反面，将所述屏蔽盖10中与所述内表面相对的外表面作为正面。Please refer to FIG. 1, which is a schematic structural diagram of a shielding case 100 provided by an embodiment of the present invention; the shielding case 100 includes a shielding bracket 20, a shielding cover 10, and a heat-absorbing and heat-dissipating member 30. What is shown in FIG. 1 is the shielding An exploded view of the shielding bracket 20 and the shielding cover 10 in the cover 100. The shielding cover 10 can be covered on the shielding bracket 20, and the heat-absorbing and cooling element 30 is arranged on the shielding bracket 20 and the shielding bracket 20. On the shielding cover 10 ; the heat-absorbing and heat-dissipating element 30 comprises a mixed material having material properties of heat absorption, heat storage and heat dissipation functions. Wherein, the inner surface of the shielding cover 10 facing the shielding bracket 20 is taken as the reverse side, and the outer surface of the shielding cover 10 opposite to the inner surface is taken as the front side.
其中，所述混合材料是由导热散热材料和吸热储热材料混合形成的；所述导热散热材料用于将所述屏蔽支架20和所述屏蔽盖10上的热量传递给所述吸热储热材料，所述吸热储热材料用于吸收并储存所述屏蔽支架20和所述屏蔽盖10上的热量，同时储存所述导热散热材料传导的热量；所述屏蔽支架20和所述屏蔽盖10上的热量来自于所屏蔽的发热器件。所述导热散热材料和所述吸热储热材料之间的配比值为1:1(配比值可以为质量比)，所述吸热储热材料是具有吸热和储热功能的材料属性的材料，所述导热散热材料可以为石墨、金属等其它导热散热材料。Wherein, the mixed material is formed by mixing heat-conducting and heat-dissipating materials and heat-absorbing heat storage materials; Heat material, the heat absorption heat storage material is used to absorb and store the heat on the shielding bracket 20 and the shielding cover 10, and store the heat conducted by the heat conduction and heat dissipation material at the same time; the shielding bracket 20 and the shielding The heat on the cover 10 comes from the shielded heat-generating components. The ratio between the heat-conducting and heat-dissipating material and the heat-absorbing and heat-storage material is 1:1 (the ratio can be a mass ratio), and the heat-absorbing and heat-storing material has material properties of heat-absorbing and heat-storing functions. material, and the heat conduction and heat dissipation material may be other heat conduction and heat dissipation materials such as graphite and metal.
进一步的，所述混合材料中的所述吸热储热材料是由聚乙二醇和二氧化硅组成的相变储能材料，所述聚乙二醇和所述二氧化硅之间的配比值为1:1-9:1(配比值可以为质量比)，具体选用哪种配比值可以根据需求选定。其中，制作所述吸热储热材料的具体过程可以为：将聚乙二醇加入到一定浓度的硅溶胶中，待全部溶解后，滴加CaCl2促凝剂溶液，在强力搅拌下，使其发生凝胶化反应，静置后形成三维网络结构凝胶；将凝胶在80℃烘箱中鼓风干燥24-28小时，然后冷却至室温，即可得到由若干以凝胶后的二氧化硅为囊壁、以乳化后的聚乙二醇为囊芯的微胶囊所构成的所述混合材料。其中，所述微胶囊的囊芯中的聚乙二醇为相变储能材料，即所述微胶囊通过逐渐吸收热量，可以将所述囊芯中的聚乙二醇逐渐由固态转化为液态，以实现对热量的存储，同样当所述微胶囊所吸收的热量逐渐减少时，所述囊芯中的聚乙二醇也逐渐由液态转化为固态，以对所存储的热量进行散热，其中，为液态的所述聚乙二醇的本身温度并不高，即所吸收的热量都用于进行相变，且所述聚乙二醇由液态变为固态的过程是一个缓慢的散热过程，所以包含若干所述微胶囊的所述吸热散热件30可以避免吸收到的热量短时间内直接传递到手机外壳而导致手机外壳温度过高。进一步的，由于存在为所述二氧化硅的囊壁，所以可以保证为液态的聚乙二醇不会流出所述微胶囊，因此，在所述囊芯中的聚乙二醇逐渐由固态转化为液态的过程中，所述微胶囊是逐渐由硬变软，进而影响所述吸热储热材料的质地也由硬变软。以所述混合材料中的所述导热散热材料为石墨为例，由于石墨的导热性好，所以石墨可以更快的将热量传导至所述吸热储热材料上进行热量存储，而且石墨在X、Y方向上的散热效果好，所以石墨还可以在避免将热量直接散发到与所述屏蔽罩100相对的手机外壳的同时，提高所述混合材料的散热速度。其中，在混合形成所述混合材料之前，需要先将所述导热散热材料和为凝胶状的所述吸热储热材料进行强力搅拌，以分别得到对应的粉体，即混合过程是指对为粉体的所述导热散热材料和为粉体的所述吸热储热材料进行混合的过程；其中，由于所述吸热储热材料中的所述微胶囊是远小于为粉体的所述吸热储热材料的大小，所以在强力搅拌后得到的为粉体的所述吸热储热材料中依然包含若干完整的所述微胶囊，因此，为粉体的所述吸热储热材料依然具有吸热、储热功能，从而混合后所形成的所述混合材料依然具有吸热、储热以及散热功能。Further, the endothermic heat storage material in the mixed material is a phase-change energy storage material composed of polyethylene glycol and silicon dioxide, and the ratio between the polyethylene glycol and the silicon dioxide is 1:1-9:1 (the ratio can be a mass ratio), the specific ratio can be selected according to the needs. Wherein, the specific process of making the heat-absorbing heat storage material can be: adding polyethylene glycol to a certain concentration of silica sol, and after it is completely dissolved, adding CaCl2 coagulant solution dropwise, and stirring vigorously to make It undergoes a gelation reaction, and forms a three-dimensional network structure gel after standing still; the gel is air-dried in an oven at 80°C for 24-28 hours, and then cooled to room temperature, and then a number of gelled carbon dioxide can be obtained. The silicon is the mixed material composed of the capsule wall and the microcapsule with the emulsified polyethylene glycol as the capsule core. Wherein, the polyethylene glycol in the capsule core of the microcapsule is a phase-change energy storage material, that is, the microcapsule can gradually convert the polyethylene glycol in the capsule core from solid to liquid by gradually absorbing heat. , to realize the storage of heat, and when the heat absorbed by the microcapsules is gradually reduced, the polyethylene glycol in the capsule core is also gradually transformed from liquid to solid to dissipate the stored heat, wherein , the temperature of the polyethylene glycol in the liquid state is not high, that is, the absorbed heat is used for phase change, and the process of the polyethylene glycol from liquid to solid is a slow heat dissipation process, Therefore, the heat-absorbing and heat-dissipating element 30 containing several microcapsules can prevent the absorbed heat from being directly transferred to the mobile phone casing in a short time, causing the temperature of the mobile phone casing to be too high. Further, due to the existence of the capsule wall of the silicon dioxide, it can be ensured that the liquid polyethylene glycol will not flow out of the microcapsules, therefore, the polyethylene glycol in the capsule core is gradually converted from the solid state During the liquid state, the microcapsules gradually change from hard to soft, which further affects the texture of the heat-absorbing and heat-storage material from hard to soft. Taking graphite as an example as the heat-conducting and heat-dissipating material in the mixed material, graphite can conduct heat to the heat-absorbing heat storage material faster for heat storage due to the good thermal conductivity of graphite, and graphite is at X 1. The heat dissipation effect in the Y direction is good, so the graphite can also improve the heat dissipation speed of the mixed material while avoiding the heat from being directly dissipated to the mobile phone shell opposite to the shielding cover 100 . Wherein, before mixing to form the mixed material, it is necessary to vigorously stir the heat-conducting and heat-dissipating material and the gel-like heat-absorbing heat storage material to obtain corresponding powders respectively, that is, the mixing process refers to the The process of mixing the heat-conducting and heat-dissipating material that is powder and the heat-absorbing heat-storage material that is powder; wherein, since the microcapsules in the heat-absorbing heat-storage material are much smaller than the powder The size of the above-mentioned endothermic heat storage material, so the endothermic heat storage material obtained as powder after strong stirring still contains several complete microcapsules, therefore, the endothermic heat storage material for powder The materials still have heat absorption and heat storage functions, so the mixed material formed after mixing still has heat absorption, heat storage and heat dissipation functions.
进一步的，所述吸热散热件30还包括稀释溶剂和粘结溶液(比如：甲醇二甲苯，丙烯酸树脂等)；为粉体的所述混合材料与所述稀释溶剂粘结溶液混合形成吸热散热涂布材料，使得所述吸热散热涂布材料直接具有附着力，所述吸热散热涂布材料可涂布于所述屏蔽支架20、所述屏蔽盖10的正面和/或反面上，即所述吸热散热件30是指涂布在所述屏蔽罩100上的具有一定厚度的所述吸热散热涂布材料。当所述吸热散热涂布材料开始吸收所述屏蔽罩100中的发热器件所传递的热量时，所述吸热散热涂布材料中的所述聚乙二醇逐渐由固态变化为液态，此时的所述吸热散热涂布材料也逐渐由硬变软，以实现对热量的存储；当所述聚乙二醇完全变为液态时，所述吸热散热涂布材料停止吸收热量，并在所述发热器件的温度逐渐降低至预设温度后，所述聚乙二醇再由液态变化为固态，以将吸收的热量散发出来，所述吸热散热涂布材料中的所述导热散热材料的成分可以加速对热量进行散发，此时的所述吸热散热涂布材料也逐渐由软变硬。Further, the heat-absorbing and heat-dissipating element 30 also includes a dilution solvent and a bonding solution (for example: methanol xylene, acrylic resin, etc.); heat-dissipating coating material, so that the heat-absorbing and heat-dissipating coating material directly has adhesion, and the heat-absorbing and heat-dissipating coating material can be coated on the front and/or reverse surfaces of the shielding bracket 20 and the shielding cover 10, That is, the heat-absorbing and heat-dissipating element 30 refers to the heat-absorbing and heat-dissipating coating material with a certain thickness coated on the shield cover 100 . When the heat-absorbing and heat-dissipating coating material starts to absorb the heat transmitted by the heat-generating device in the shielding cover 100, the polyethylene glycol in the heat-absorbing and heat-dissipating coating material gradually changes from solid to liquid state. When the heat-absorbing and heat-dissipating coating material is also gradually changed from hard to soft, to realize the storage of heat; when the polyethylene glycol completely becomes liquid, the heat-absorbing and heat-dissipating coating material stops absorbing heat, and After the temperature of the heat-generating device is gradually lowered to the preset temperature, the polyethylene glycol changes from a liquid state to a solid state to dissipate the absorbed heat. The composition of the material can accelerate the heat dissipation, and at this time, the heat-absorbing and heat-dissipating coating material gradually changes from soft to hard.
可选的，所述吸热散热件30还包括保护膜；所述保护膜粘接设置于所述吸热散热涂布材料上，且远离所述屏蔽支架20、所述屏蔽盖10的正面和/或反面。即所述吸热散热涂布材料涂布在所述屏蔽支架20、所述屏蔽盖10的正面和/或反面上之后，在所述吸热散热涂布材料的裸露部分粘接设置所述保护膜。所述保护膜可以对所述吸热散热涂布材料进行保护、防尘，所述保护膜可以为石墨等导热散热材料，以进一步提高所述吸热散热涂布材料的散热速度。Optionally, the heat-absorbing and heat-dissipating element 30 also includes a protective film; the protective film is adhesively arranged on the heat-absorbing and heat-dissipating coating material, and is away from the shielding bracket 20, the front surface of the shielding cover 10 and / or reverse. That is, after the heat-absorbing and heat-dissipating coating material is coated on the front and/or reverse surfaces of the shielding bracket 20 and the shielding cover 10, the protective film is adhered to the exposed part of the heat-absorbing and heat-dissipating coating material. membrane. The protective film can protect and prevent dust from the heat-absorbing and heat-dissipating coating material, and the protective film can be a heat-conducting and heat-dissipating material such as graphite, so as to further increase the heat dissipation speed of the heat-absorbing and heat-dissipating coating material.
本发明实施例通过在屏蔽支架20和屏蔽盖10上设置吸热散热件30，且吸热散热件30包括具有吸热、储热以及散热功能的材料属性的混合材料，并且混合材料中的导热散热材料可用于将屏蔽罩100上的热量传递给吸热储热材料，吸热储热材料可用于吸收并储存屏蔽罩100上的热量，同时储存导热散热材料传导的热量，从而可以降低屏蔽罩100所屏蔽的发热器件的温度，以保证手机正常运行，同时还可以避免发热器件的热量直接传递到手机外壳上，进而可以避免手机外壳温度过高。In the embodiment of the present invention, a heat-absorbing and heat-dissipating element 30 is provided on the shielding bracket 20 and the shielding cover 10, and the heat-absorbing and heat-dissipating element 30 includes a mixed material with material properties of heat absorption, heat storage, and heat dissipation functions, and the heat conduction in the mixed material The heat dissipation material can be used to transfer the heat on the shield 100 to the heat-absorbing and heat-storage material, and the heat-absorbing heat-storage material can be used to absorb and store the heat on the shield 100, and store the heat conducted by the heat-conducting and heat-dissipating material at the same time, so that the heat of the shield can be reduced. The temperature of the heating device shielded by 100 is to ensure the normal operation of the mobile phone, and at the same time, it can also prevent the heat of the heating device from being directly transmitted to the mobile phone shell, thereby preventing the mobile phone shell from being too hot.
再请参见图2，是本发明另一实施例提供的一种屏蔽罩的结构示意图；所述屏蔽罩100包括屏蔽支架20、屏蔽盖10以及吸热散热件40，图2所示的是所述屏蔽罩100中的所述屏蔽支架20和所述屏蔽盖10的分解图，所述屏蔽盖10盖设于所述屏蔽支架20上，所述吸热散热件40设置在所述屏蔽支架20和所述屏蔽盖10上；所述吸热散热件40包括具有吸热、储热以及散热功能的材料属性的混合材料。其中，将所述屏蔽盖10面向所述屏蔽支架20的内表面作为反面，将所述屏蔽盖10中与所述内表面相对的外表面作为正面。Please refer to FIG. 2 again, which is a schematic structural diagram of a shielding case provided by another embodiment of the present invention; the shielding case 100 includes a shielding bracket 20, a shielding cover 10, and a heat-absorbing and heat-dissipating member 40. What is shown in FIG. 2 is the An exploded view of the shielding bracket 20 and the shielding cover 10 in the shielding cover 100, the shielding cover 10 is covered on the shielding bracket 20, and the heat-absorbing and cooling element 40 is arranged on the shielding bracket 20 and on the shielding cover 10; the heat-absorbing and heat-dissipating element 40 includes a mixed material having material properties of heat absorption, heat storage and heat dissipation functions. Wherein, the inner surface of the shielding cover 10 facing the shielding bracket 20 is taken as the reverse side, and the outer surface of the shielding cover 10 opposite to the inner surface is taken as the front side.
其中，所述混合材料是由导热散热材料和吸热储热材料混合形成的，所述导热散热材料的成分、所述吸热储热材料的成分和制作过程可以参见上述图1对应的实施例，这里不再进行赘述。Wherein, the mixed material is formed by mixing heat-conducting and heat-dissipating materials and heat-absorbing heat-storage materials. The composition of the heat-conducting and heat-dissipating materials, the composition and manufacturing process of the heat-absorbing heat-storage materials can be referred to the above-mentioned embodiment corresponding to FIG. 1 , which will not be repeated here.
进一步的，所述吸热散热件40还包括稀释溶剂、粘结溶液(比如：甲醇二甲苯，丙烯酸树脂等)、保护膜以及胶层；为粉体的所述混合材料与所述稀释溶剂粘结溶液混合形成吸热散热涂布材料，使得所述吸热散热涂布材料直接具有附着力，所述吸热散热涂布材料涂布于所述保护膜的一侧，所述胶层的一侧与所述保护膜中涂布有所述吸热散热涂布材料的一侧粘接，所述胶层的另一侧与所述屏蔽支架20、所述屏蔽盖10的正面和/或反面粘接。当所述吸热散热涂布材料开始吸收所述屏蔽罩100中的发热器件所传递的热量时，所述吸热散热涂布材料中的所述聚乙二醇逐渐由固态变化为液态，此时的所述吸热散热涂布材料也逐渐由硬变软，以实现对热量的存储；当所述聚乙二醇完全变为液态时，所述吸热散热涂布材料停止吸收热量，并在所述发热器件的温度逐渐降低至预设温度后，所述聚乙二醇再由液态变化为固态，以将吸收的热量散发出来，所述吸热散热涂布材料中的所述导热散热材料的成分可以加速对热量进行散发，此时的所述吸热散热涂布材料也逐渐由软变硬。其中，所述保护膜可以对所述吸热散热涂布材料进行保护、防尘，所述保护膜可以为石墨等导热散热材料，以进一步提高所述吸热散热涂布材料的散热速度。可选的，在所述保护膜的两侧都涂布有所述吸热散热涂布材料，将所述保护膜的任意一侧与所述胶层的一侧粘接，所述胶层的另一侧与所述屏蔽支架20、所述屏蔽盖10的正面和/或反面粘接。Further, the heat-absorbing and heat-dissipating element 40 also includes a dilution solvent, a bonding solution (such as: methanol xylene, acrylic resin, etc.), a protective film, and an adhesive layer; the mixed material that is powder is bonded with the dilution solvent The solution is mixed to form a heat-absorbing and heat-dissipating coating material, so that the heat-absorbing and heat-dissipating coating material directly has adhesion, and the heat-absorbing and heat-dissipating coating material is coated on one side of the protective film, and one side of the adhesive layer The other side of the adhesive layer is bonded to the side of the protective film coated with the heat-absorbing and heat-dissipating coating material, and the other side of the adhesive layer is bonded to the front and/or back of the shielding bracket 20 and the shielding cover 10 bonding. When the heat-absorbing and heat-dissipating coating material starts to absorb the heat transmitted by the heat-generating device in the shielding cover 100, the polyethylene glycol in the heat-absorbing and heat-dissipating coating material gradually changes from solid to liquid state. When the heat-absorbing and heat-dissipating coating material is also gradually changed from hard to soft, to realize the storage of heat; when the polyethylene glycol completely becomes liquid, the heat-absorbing and heat-dissipating coating material stops absorbing heat, and After the temperature of the heat-generating device is gradually lowered to the preset temperature, the polyethylene glycol changes from a liquid state to a solid state to dissipate the absorbed heat. The composition of the material can accelerate the heat dissipation, and at this time, the heat-absorbing and heat-dissipating coating material gradually changes from soft to hard. Wherein, the protective film can protect and prevent dust from the heat-absorbing and heat-dissipating coating material, and the protective film can be a heat-conducting and heat-dissipating material such as graphite, so as to further increase the heat dissipation speed of the heat-absorbing and heat-dissipating coating material. Optionally, the heat-absorbing and heat-dissipating coating material is coated on both sides of the protective film, and any side of the protective film is bonded to one side of the adhesive layer, and the adhesive layer The other side is glued to the front and/or back of the shielding bracket 20 and the shielding cover 10 .
为了进一步说明吸热散热件40的具体结构，请一并参见图2a，图2a是本发明实施例提供的一种设置在所述屏蔽罩100上的吸热散热件40的结构示意图，所述吸热散热件40包括：保护膜401、吸热散热涂布材料402、胶层403，所述吸热散热涂布材料402涂布在所述保护膜401的一侧，所述吸热散热涂布材料402还与胶层403的一侧粘接，胶层403的另一侧可以粘接在所述屏蔽罩100上，以实现在所述屏蔽罩100上设备所述吸热散热件40。In order to further illustrate the specific structure of the heat-absorbing and heat-dissipating element 40, please refer to FIG. 2a. FIG. The heat-absorbing and heat-dissipating part 40 includes: a protective film 401, a heat-absorbing and heat-dissipating coating material 402, and an adhesive layer 403. The heat-absorbing and heat-dissipating coating material 402 is coated on one side of the protective film 401. The heat-absorbing and heat-dissipating coating The cloth material 402 is also bonded to one side of the adhesive layer 403 , and the other side of the adhesive layer 403 may be bonded to the shielding case 100 , so as to install the heat-absorbing and heat-dissipating element 40 on the shielding case 100 .
本发明实施例通过在屏蔽支架20和屏蔽盖10上设置吸热散热件40，且吸热散热件40包括具有吸热、储热以及散热功能的材料属性的混合材料，并且混合材料中的导热散热材料可用于将屏蔽罩100上的热量传递给吸热储热材料，吸热储热材料可用于吸收并储存屏蔽罩100上的热量，同时储存导热散热材料传导的热量，从而可以降低屏蔽罩100所屏蔽的发热器件的温度，以保证手机正常运行，同时还可以避免发热器件的热量直接传递到手机外壳上，进而可以避免手机外壳温度过高。In the embodiment of the present invention, a heat absorbing and heat dissipating element 40 is arranged on the shielding bracket 20 and the shielding cover 10, and the heat absorbing and heat dissipating element 40 includes a mixed material with material properties of heat absorbing, heat storage and heat dissipation functions, and the heat conduction in the mixed material The heat dissipation material can be used to transfer the heat on the shield 100 to the heat-absorbing and heat-storage material, and the heat-absorbing heat-storage material can be used to absorb and store the heat on the shield 100, and store the heat conducted by the heat-conducting and heat-dissipating material at the same time, so that the heat of the shield can be reduced. The temperature of the heating device shielded by 100 is to ensure the normal operation of the mobile phone, and at the same time, it can also prevent the heat of the heating device from being directly transmitted to the mobile phone shell, thereby preventing the mobile phone shell from being too hot.
再请参见图3，是本发明又一实施例提供的一种屏蔽罩的结构示意图；所述屏蔽罩100包括屏蔽支架20、屏蔽盖10以及吸热散热件50，图3所示的是所述屏蔽罩100中的所述屏蔽支架20和所述屏蔽盖10的分解图，所述屏蔽盖10盖设于所述屏蔽支架20上，所述吸热散热件50设置在所述屏蔽支架20和所述屏蔽盖10上；所述吸热散热件50包括具有吸热、储热以及散热功能的材料属性的混合材料。其中，将所述屏蔽盖10面向所述屏蔽支架20的内表面作为反面，将所述屏蔽盖10中与所述内表面相对的外表面作为正面。Please refer to FIG. 3 again, which is a schematic structural diagram of a shielding case provided by another embodiment of the present invention; the shielding case 100 includes a shielding bracket 20, a shielding cover 10, and a heat-absorbing and heat-dissipating member 50. What is shown in FIG. 3 is the An exploded view of the shielding bracket 20 and the shielding cover 10 in the shielding cover 100, the shielding cover 10 is covered on the shielding bracket 20, and the heat-absorbing and cooling element 50 is arranged on the shielding bracket 20 and on the shielding cover 10; the heat-absorbing and heat-dissipating element 50 includes a mixed material having material properties of heat absorption, heat storage and heat dissipation functions. Wherein, the inner surface of the shielding cover 10 facing the shielding bracket 20 is taken as the reverse side, and the outer surface of the shielding cover 10 opposite to the inner surface is taken as the front side.
其中，所述混合材料是由导热散热材料和吸热储热材料混合形成的，所述导热散热材料的成分、所述吸热储热材料的成分和制作过程可以参见上述图1对应的实施例，这里不再进行赘述。Wherein, the mixed material is formed by mixing heat-conducting and heat-dissipating materials and heat-absorbing heat-storage materials. The composition of the heat-conducting and heat-dissipating materials, the composition and manufacturing process of the heat-absorbing heat-storage materials can be referred to the above-mentioned embodiment corresponding to FIG. 1 , which will not be repeated here.
所述吸热散热件50还包括钛酸酯偶联剂和胶层；所述混合材料与所述钛酸酯偶联剂混合制成吸热散热片状材料，所述胶层的一侧与所述吸热散热片状材料粘接，所述胶层的另一侧与所述屏蔽支架20、所述屏蔽盖10的正面和/或反面粘接。可以理解的，所述胶层可以为背胶、双面胶或离型膜等。其中，制作所述吸热散热片状材料的具体过程可以为：在为粉体的所述混合材料中添加所述钛酸酯偶联剂，以得到有机复合定形相变材料，经压片机压片制得薄片状，经裁剪后形成一定形状的所述吸热散热片状材料。当所述吸热散热片状材料开始吸收所述屏蔽罩100中的发热器件所传递的热量时，所述吸热散热片状材料中的所述聚乙二醇逐渐由固态变化为液态，此时的所述吸热散热片状材料也逐渐由硬变软，以实现对热量的存储；当所述聚乙二醇完全变为液态时，所述吸热散热片状材料停止吸收热量，并在所述发热器件的温度逐渐降低至预设温度后，所述聚乙二醇再由液态变化为固态，以将吸收的热量散发出来，所述吸热散热片状材料中的所述导热散热材料的成分可以加速对热量进行散发，此时的所述吸热散热片状材料也逐渐由软变硬。The heat-absorbing and heat-dissipating part 50 also includes a titanate coupling agent and an adhesive layer; the mixed material is mixed with the titanate coupling agent to form a heat-absorbing and heat-dissipating sheet material, and one side of the adhesive layer is connected to the The heat-absorbing and heat-dissipating sheet material is bonded, and the other side of the glue layer is bonded to the front and/or back of the shielding bracket 20 and the shielding cover 10 . It can be understood that the adhesive layer can be back adhesive, double-sided adhesive or release film, etc. Wherein, the specific process of making the heat-absorbing and heat-dissipating sheet-like material may be: adding the titanate coupling agent to the mixed material that is a powder to obtain an organic composite shape-setting phase-change material, which is passed through a tablet press Sheeting is made into flakes, which are cut to form the heat-absorbing and heat-dissipating sheet-like material in a certain shape. When the heat-absorbing and heat-dissipating sheet material starts to absorb the heat transmitted by the heat-generating device in the shielding cover 100, the polyethylene glycol in the heat-absorbing and heat-dissipating sheet material gradually changes from a solid to a liquid state. When the heat-absorbing and heat-dissipating sheet-like material is also gradually changed from hard to soft, to realize the storage of heat; when the polyethylene glycol completely becomes liquid, the heat-absorbing and heat-radiating sheet-like material stops absorbing heat, and After the temperature of the heating element is gradually reduced to the preset temperature, the polyethylene glycol changes from a liquid state to a solid state to dissipate the absorbed heat. The composition of the material can accelerate the dissipation of heat, and at this time, the heat-absorbing and heat-dissipating sheet-shaped material gradually changes from soft to hard.
可选的，所述吸热散热件50还包括保护膜；所述保护膜粘接设置于所述吸热散热片状材料上，且远离所述屏蔽支架20、所述屏蔽盖10的正面和/或反面。即所述吸热散热片状材料粘接在所述屏蔽支架20、所述屏蔽盖10的正面和/或反面上之后，在所述吸热散热片状材料的裸露部分粘接设置所述保护膜。所述保护膜可以对所述吸热散热片状材料进行保护、防尘，所述保护膜可以为石墨等导热散热材料，以进一步提高所述吸热散热片状材料的散热速度。Optionally, the heat-absorbing and heat-dissipating element 50 further includes a protective film; the protective film is adhesively arranged on the heat-absorbing and heat-dissipating sheet material, and is away from the shielding bracket 20 , the front surface of the shielding cover 10 and / or reverse. That is, after the heat-absorbing and heat-dissipating sheet-like material is bonded to the front and/or reverse surfaces of the shielding bracket 20 and the shield cover 10, the protective layer is bonded to the exposed part of the heat-absorbing and heat-dissipating sheet-like material. membrane. The protective film can protect and prevent dust from the heat-absorbing and heat-dissipating sheet material, and the protective film can be a heat-conducting and heat-dissipating material such as graphite, so as to further increase the heat dissipation speed of the heat-absorbing and heat-dissipating sheet material.
本发明实施例通过在屏蔽支架20和屏蔽盖10上设置吸热散热件50，且吸热散热件50包括具有吸热、储热以及散热功能的材料属性的混合材料，并且混合材料中的导热散热材料可用于将屏蔽罩100上的热量传递给吸热储热材料，吸热储热材料可用于吸收并储存屏蔽罩100上的热量，同时储存导热散热材料传导的热量，从而可以降低屏蔽罩100所屏蔽的发热器件的温度，以保证手机正常运行，同时还可以避免发热器件的热量直接传递到手机外壳上，进而可以避免手机外壳温度过高。In the embodiment of the present invention, a heat absorbing heat sink 50 is arranged on the shielding bracket 20 and the shield cover 10, and the heat absorbing heat sink 50 includes a mixed material with material properties of heat absorbing, heat storage and heat dissipation functions, and the heat conduction in the mixed material The heat dissipation material can be used to transfer the heat on the shield 100 to the heat-absorbing and heat-storage material, and the heat-absorbing heat-storage material can be used to absorb and store the heat on the shield 100, and store the heat conducted by the heat-conducting and heat-dissipating material at the same time, so that the heat of the shield can be reduced. The temperature of the heating device shielded by 100 is to ensure the normal operation of the mobile phone, and at the same time, it can also prevent the heat of the heating device from being directly transmitted to the mobile phone shell, thereby preventing the mobile phone shell from being too hot.
如图4所示，本发明实施例还提供一种移动终端200，所述移动终端200包括壳体、电路板以及屏蔽罩，所述屏蔽罩设置于所述电路板上，所述屏蔽罩的具体结构和屏蔽罩上的吸热散热件的结构成分可以参见上述图1至图3中任一附图对应实施例中的屏蔽罩100，这里不再对所述屏蔽罩进行赘述。所述移动终端的所述壳体边缘部位开设导热孔，以增加所述移动终端的散热效果，进而使所述屏蔽罩中的吸热散热件能够更快速的对所存储的热量进行散热，以进一步提高对所述屏蔽罩所对应的发热器件的降温效果和散热效果。As shown in FIG. 4 , the embodiment of the present invention also provides a mobile terminal 200. The mobile terminal 200 includes a casing, a circuit board, and a shielding cover. The shielding cover is arranged on the circuit board. The shielding cover For the specific structure and the structural components of the heat-absorbing and heat-dissipating parts on the shielding case, refer to the shielding case 100 in the embodiment corresponding to any one of the drawings in FIG. 1 to FIG. The edge of the housing of the mobile terminal is provided with heat conduction holes to increase the heat dissipation effect of the mobile terminal, so that the heat-absorbing and heat-dissipating parts in the shield can dissipate the stored heat more quickly, so as to Further improve the cooling effect and heat dissipation effect of the heat generating device corresponding to the shielding cover.
以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287022.XACN105916351A (en) | 2016-04-29 | 2016-04-29 | Shielding case and mobile terminal |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287022.XACN105916351A (en) | 2016-04-29 | 2016-04-29 | Shielding case and mobile terminal |
| Publication Number | Publication Date |
|---|---|
| CN105916351Atrue CN105916351A (en) | 2016-08-31 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610287022.XAPendingCN105916351A (en) | 2016-04-29 | 2016-04-29 | Shielding case and mobile terminal |
| Country | Link |
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| CN (1) | CN105916351A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20160831 |