WO2011000183A1 - Method for preparing thermally and electrically conductive silica gel and heat-generating device using silica gel produced thereby - Google Patents

Method for preparing thermally and electrically conductive silica gel and heat-generating device using silica gel produced thereby Download PDF

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Publication number
WO2011000183A1
WO2011000183A1 PCT/CN2009/074431 CN2009074431W WO2011000183A1 WO 2011000183 A1 WO2011000183 A1 WO 2011000183A1 CN 2009074431 W CN2009074431 W CN 2009074431W WO 2011000183 A1 WO2011000183 A1 WO 2011000183A1
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Prior art keywords
conductive
silica gel
generating device
heat
ethyl silicate
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PCT/CN2009/074431
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French (fr)
Chinese (zh)
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黎永均
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深圳市八发汽车用品有限公司
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Publication of WO2011000183A1 publication Critical patent/WO2011000183A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels

Definitions

  • the present invention relates to a method for fabricating a thermally conductive, electrically conductive material, and more particularly to a method for fabricating a conductive, thermally conductive silicone; the present invention also relates to a heating and heating device, and more particularly to a method for obtaining a crucible using the aforementioned method Silicone is a heating and heating device for heating elements.
  • thermal and conductive rubber are widely used in various fields of industry and life. Different heat conduction, conductive rubber and its manufacturing method are designed for different needs; for example, the Chinese invention patent publication number "CN 1605604A” is named The "highly conductive rubber and its manufacturing method” patent discloses a highly conductive rubber and a manufacturing method thereof, and the specific technical solution is as follows: A highly conductive rubber, characterized in that: the composition of the highly conductive rubber and the weight ratio of the ingredients thereof are :
  • the two-component silica gel is a silica gel containing one component of a platinum compound catalyst and the other component containing a silicon germanium crosslinking agent.
  • the conductive material is 200-350 parts by weight of silver-plated glass powder, or 300-500 parts by weight of silver-plated nickel powder, or 350-600 parts by weight of silver-plated copper powder, or 250-450 parts by weight of silver-plated aluminum powder. Or silver powder 250 ⁇ 450 parts by weight.
  • a method for producing a highly conductive rubber characterized in that: the process flow of the manufacturing method is:
  • composition of the highly conductive rubber and the weight ratio of the ingredients are: 100 parts by weight of the two-component silica gel; 200-600 parts by weight of the conductive material;
  • the method for producing a highly conductive rubber characterized in that: the two-component rubber is a silica gel containing a platinum compound catalyst and a silicon germanium compound crosslinking agent; the conductive material is a silver-plated glass powder of 200 to 350 parts by weight. , or silver-plated nickel powder 300 ⁇ 500 parts by weight, or silver-plated copper powder 350 ⁇ 600 parts by weight, or silver-plated aluminum powder 250 ⁇ 450 parts by weight, or silver powder 250 ⁇ 450 parts by weight.
  • the rubber obtained by the above production method can have heat conducting and conducting properties, but the manufacturing method of the conductive rubber is complicated and costly.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a method for manufacturing a heat conductive and conductive silica gel having a simple process flow and a low manufacturing cost.
  • the present invention also provides a heat generating device which uses the silica gel obtained by the above-mentioned production method as a heating element.
  • a method for manufacturing a thermally conductive, electrically conductive silicone comprising:
  • the selected ethyl silicate raw material is used for rectification and purification in a rectification device; it can be rectified and purified by using a rectification column of a known structure, such as the Chinese invention patent nickname " CN 85106705A The rectification column of the structure of the patent publication entitled "Cryogenic Rectification Column” rectifies and purifies the ethyl silicate raw material.
  • hydrolysis hydrolysis of ethyl silicate obtained by the purification step, so that the hydrolysis product of ethyl silicate is solified; further, ethyl silicate is hydrolyzed in this step, and the product obtained by hydrolysis is turbid After the mixture becomes thick, the hydrolysis is stopped; the hydrolysis process can be carried out by using a known hydrolysis process of ethyl silicate, such as The invention discloses the hydrolysis process of ethyl silicate disclosed in the patent of the "CN1262154" entitled “Ethyl Silicate Self-hardening Sand Ceramic Process".
  • the mass of the ingredients is: 30-150 parts by weight of conductive copper powder, 50-250 parts by weight of activated carbon powder, 100 water conductive water. -500 parts by mass, fully stirred to obtain the material 2; heating the material 2 to the conductive water to fully boil, and then stopping the heating; the heating temperature is 100 to 150 ° C under normal pressure; the electrically conductive water raft is known
  • a pure water used to determine the conductivity of the solution is free of other substances except H+ and OH-, and the conductivity should be 1 ⁇ 106 ⁇ -1 ⁇ -1.
  • the ratio of the mass fraction of the silicone gel to the conductive silver paste in the step f is 1000: 60.
  • the present invention provides a heat generating device using the silica gel obtained by the above-mentioned method as a heating element, comprising: a power source, and an electric wire, wherein: the method further comprises: at least two pieces not connected to each other are obtained by the above manufacturing method
  • the non-adhesive thermally conductive, electrically conductive silicone sheet, and the switch connected to the power source, the thermally conductive, electrically conductive silicone sheet is electrically connected by an electrical lead.
  • the heat generating device further includes: a transformer unit disposed between the power source and the switch; and the transformer unit uses a transformer of a known structure.
  • the transformer unit is a DC transformer that converts alternating current into direct current.
  • the power supply uses 220V AC mains; the transformer unit converts 220V AC into a DC voltage that is acceptable to the human body.
  • the power supply uses a car DC cigarette lighter.
  • the electric wire is made of a conductive copper foil.
  • the heat conductive and conductive silica gel sheet has a thickness of 0.5 to 1.5 mm.
  • the distance between the heat conductive and conductive silicone sheets is 10 to 20 mm.
  • the invention provides a method for preparing a thermally conductive and conductive silica gel, the sequence comprising the steps of: selecting materials, purifying, hydrolyzing, stirring and boiling, cooling and sedimenting, centrifuging, drying, boiling, drying and burning; A silica gel having thermal conductivity and electrical conductivity is obtained.
  • the method has the advantages of simple process flow, high thermal conductivity, and low cost of conductive silica gel.
  • the invention provides a heat-generating device using the silica gel obtained by the above-mentioned preparation method as a heating element, which comprises The power supply, and the electric wire, further comprising: at least two non-adhesive heat conductive and conductive silicone sheets obtained by the above manufacturing method, and a switch connected to the power source, wherein the heat conductive and conductive silicone sheets pass Electric wire electrical connection;
  • This kind of heating device can be widely used in heating car seat--cushion, heating vest, heating blanket, heating shoes and medical sports equipment, bedding, various special clothing fields due to the performance advantages of its heating body. Because the heating element is a thermal conductive, conductive silicone, so Having a heat-generating device can be washed, temperature effect, pollution and other advantages.
  • FIG. 1 is a process flow of a method for fabricating a thermally conductive and conductive silica gel according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the structure of a heat generating device using a silica gel obtained by the above-mentioned method as a heating element;
  • a method for manufacturing a thermally conductive and conductive silica gel comprising:
  • the selected ethyl silicate raw material is used for rectification and purification in a rectification device; it can be rectified and purified by using a rectification column of a known structure, such as the Chinese invention patent nickname " CN 85106705A The rectification column of the structure of the patent publication entitled "Cryogenic Rectification Column” rectifies and purifies the ethyl silicate raw material.
  • hydrolysis hydrolysis of ethyl silicate obtained by the purification step, so that the hydrolysis product of ethyl silicate is solified; further, ethyl silicate is hydrolyzed in this step, and the product obtained by hydrolysis is turbid After the thickening, the hydrolysis is stopped; the hydrolysis process can be carried out by using a known hydrolysis process of ethyl silicate, such as the Chinese invention patent No. "CN1262154”, which is named "ethyl silicate self-hardening ceramic technology". The patented public hydrolysis process of ethyl silicate.
  • the mass of the ingredients is: 30-150 parts by weight of conductive copper powder, 50-250 parts by weight of activated carbon powder, 100 water conductive water -500 parts by mass, full
  • the material 2 is obtained; the material 2 is heated to the conductive water to boil sufficiently, and then the heating is stopped; the heating temperature is 100 to 150 ° C under normal pressure; the electrically conductive water raft is used in a well-known laboratory.
  • a pure water used for the determination of the conductivity of the solution contains no substance other than H+ and OH-, and the conductivity should be 1 ⁇ 106 ⁇ -1 ⁇ -1.
  • the ratio of the mass fraction of the silicone gel and the conductive silver paste in the step f is 1000:60.
  • the ratio of the mass of the feed to the discharge 1 in the step g is: 10:1.
  • FIG. 2 shows a heat generating device using the silica gel obtained by the above-mentioned method as a heating element, comprising: a power source (not shown), and an electric wire 1, wherein the method further includes: Two non-adhesive heat-conductive and conductive silicone sheets 2 obtained by the above-mentioned manufacturing method and connected to the power source (not shown), the thermally conductive and conductive silicone sheets 2 are electrically connected by an electric wire 1 .
  • the heat generating device further includes: a transformer unit (not shown) disposed between the power source and the switch; and the transformer unit uses a transformer of a known structure.
  • the transformer unit is a DC transformer that converts alternating current into direct current.
  • the power supply uses 220V AC mains (not shown); the transformer unit will be
  • the 220V AC is converted to a DC voltage that is acceptable for the human body.
  • the power source may also use a car DC cigarette lighter (not shown).
  • the electric wire is made of a conductive copper foil (not shown).
  • the thickness of the thermally conductive and conductive silica gel sheet 2 is 0.5 to 1.5 mm.
  • the distance between the heat conductive and conductive silicone sheets 2 is 10 to 20 mm.
  • the invention provides a method for preparing a thermally conductive and conductive silica gel, the sequence comprising the steps of: selecting, purifying, hydrolyzing, stirring and boiling, cooling and sedimenting, centrifuging, drying, boiling, drying and burning;
  • the production method can obtain a silica gel having thermal conductivity and electrical conductivity.
  • the method has the advantages of simple process flow, high thermal conductivity, and low cost of conductive silica gel.
  • the invention provides a heat-generating device using the silica gel obtained by the above-mentioned preparation method as a heating element.
  • the utility model comprises: a power source, and an electric wire, wherein: the method further comprises: at least two pieces are not connected to each other
  • the non-tacky heat conductive and conductive silica gel sheet obtained by the above manufacturing method, and the switch connected to the power source, the heat conductive and conductive silica gel sheet are electrically connected by an electric wire
  • the heat generating device can have the performance advantages of the heat generating body Widely used in heating car seat--cushion, heating vest, heating blanket, heating shoes and medical sports equipment, bedding, all kinds of special clothing, because its heating body is heat-conductive, conductive silicone, it leads to this kind
  • the heating device has the advantages of being washable, having a good thermostatic effect, and no pollution.

Abstract

Provided is a method for preparing thermally and electrically conductive silica gel, comprising the sequential steps: selecting raw material, purifying, hydrolyzing, stirring and boiling, cooling and sedimentating, centrifugal drying, mixing and boiling, drying and sintering. Also provided is a heat-generating device using the silica gel produced by said method as a heat-generating material.

Description

说明书  Instruction manual
Title of Invention:导热、 导电的硅胶制法及应用该方法所得硅胶的 发热装置 Title of Invention: Thermal and conductive silicone method and heat generating device for silica gel obtained by the method
技术领域  Technical field
技术领域  Technical field
[1] 本发明涉及一种导热、 导电材料的制作方法， 具体涉及一种导电、 导热硅胶的 制作方法； 本发明还涉及一种发热釆暖装置， 具体涉及一种釆用前述制法得到 的硅胶为发热体的发热釆暖装置。  [1] The present invention relates to a method for fabricating a thermally conductive, electrically conductive material, and more particularly to a method for fabricating a conductive, thermally conductive silicone; the present invention also relates to a heating and heating device, and more particularly to a method for obtaining a crucible using the aforementioned method Silicone is a heating and heating device for heating elements.
背景技术  Background technique
背景技术  Background technique
[2] 目前， 导热、 导电橡胶广泛应用于工业和生活中的各个领域， 针对不同的需要 人们设计出不同的导热、 导电橡胶及其制法； 如中国发明专利公开号" CN 1605604A"名称为"高导电橡胶及其制造方法"的专利公开了一种高导电橡胶及其 制造方法， 具体技术方案如下： 一种高导电橡胶， 其特征是： 该高导电橡胶的 成份及其配料重量比为：  [2] At present, thermal and conductive rubber are widely used in various fields of industry and life. Different heat conduction, conductive rubber and its manufacturing method are designed for different needs; for example, the Chinese invention patent publication number "CN 1605604A" is named The "highly conductive rubber and its manufacturing method" patent discloses a highly conductive rubber and a manufacturing method thereof, and the specific technical solution is as follows: A highly conductive rubber, characterized in that: the composition of the highly conductive rubber and the weight ratio of the ingredients thereof are :
[3] 导电材料 200-600重量份；  [3] Conductive material 200-600 parts by weight;
[4] 双组份硅胶 100重量份；  [4] two-component silica gel 100 parts by weight;
[5] 该双组分硅胶为一组分含有铂化物催化剂， 另一组分含有硅垸交联剂的硅胶。  [5] The two-component silica gel is a silica gel containing one component of a platinum compound catalyst and the other component containing a silicon germanium crosslinking agent.
[6] 该导电材料为镀银玻璃粉 200〜350重量份， 或镀银镍粉 300〜500重量份， 或镀 银铜粉 350〜600重量份， 或镀银铝粉 250-450重量份， 或银粉 250〜450重量份。  [6] The conductive material is 200-350 parts by weight of silver-plated glass powder, or 300-500 parts by weight of silver-plated nickel powder, or 350-600 parts by weight of silver-plated copper powder, or 250-450 parts by weight of silver-plated aluminum powder. Or silver powder 250~450 parts by weight.
[7] 一种高导电橡胶的制造方法， 其特征是： 该制造方法的工艺流程是： [7] A method for producing a highly conductive rubber, characterized in that: the process flow of the manufacturing method is:
[8] (1)配料： 该高导电橡胶的成份及其配料重量比为： 双组份硅胶 100重量份； 导 电材料 200-600重量份；  [8] (1) Ingredients: The composition of the highly conductive rubber and the weight ratio of the ingredients are: 100 parts by weight of the two-component silica gel; 200-600 parts by weight of the conductive material;
[9] (2)混合： 将上述配料均匀混合； [9] (2) Mixing: Mix the above ingredients evenly;
[10] (3)成型： 将混合均匀的原材料利用挤出机通过特制的成型模挤出成型， 该成型 模设置有带电加热装置， 其温度控制在 100~250°C; 或利用特制针管推挤成型后 再进行热处理， 热处理温度为 100~200°C; [10] (3) Molding: The uniformly mixed raw materials are extruded through a special molding die by using an extruder, and the molding die is provided with a charging heating device whose temperature is controlled at 100 to 250 ° C; or by using a special needle tube After extrusion Further heat treatment, the heat treatment temperature is 100 ~ 200 ° C;
[11] (4)测试： 将成型后的高导电橡胶进行性能测试， 其要求为： [11] (4) Test: The performance of the molded high-conductivity rubber is tested. The requirements are:
[12] (a)体积电阻率 <0. 01 Q«cm; [12] (a) Volume resistivity <0. 01 Q«cm;
[13] (b)拉断伸长率 >70%： [13] (b) Elongation at break >70%:
[14] (5)成品： 测试、 检验合格的成品， 包装送出。  [14] (5) Finished product: The finished product that has passed the test and inspection, and the package is delivered.
[15] 所述的高导电橡胶的制造方法， 其特征是： 该双组份橡胶为含有铂化物催化剂 和硅垸化合物交联剂的硅胶； 该导电材料为镀银玻璃粉 200~350重量份， 或镀银 镍粉 300~500重量份， 或镀银铜粉 350~600重量份， 或镀银铝粉 250~450重量份， 或银粉 250~450重量份。 通过上述制造方法所得到的橡胶可以具有导热、 导电的 性能， 但是该种导电橡胶的制造方法比较复杂， 而且成本较高。  [15] The method for producing a highly conductive rubber, characterized in that: the two-component rubber is a silica gel containing a platinum compound catalyst and a silicon germanium compound crosslinking agent; the conductive material is a silver-plated glass powder of 200 to 350 parts by weight. , or silver-plated nickel powder 300~500 parts by weight, or silver-plated copper powder 350~600 parts by weight, or silver-plated aluminum powder 250~450 parts by weight, or silver powder 250~450 parts by weight. The rubber obtained by the above production method can have heat conducting and conducting properties, but the manufacturing method of the conductive rubber is complicated and costly.
对发明的公开  Disclosure of invention
技术问题  technical problem
[16] 本发明所要解决的技术问题是克服现有技术的不足， 提供一种工艺流程简单、 制造成本较低的导热、 导电硅胶的制作方法。  [16] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a method for manufacturing a heat conductive and conductive silica gel having a simple process flow and a low manufacturing cost.
[17] 本发明还提供一种釆用前述制法得到的硅胶为发热体的发热装置。 [17] The present invention also provides a heat generating device which uses the silica gel obtained by the above-mentioned production method as a heating element.
技术解决方案  Technical solution
[18] 一种导热、 导电硅胶的制作方法， 其包括： [18] A method for manufacturing a thermally conductive, electrically conductive silicone, comprising:
[19] a.选料： 选取硅酸乙酯为原料； 所选取的硅酸乙酯， 分子式为： C8H20O4Si， 分子量： 208.33， CAS No.: 78-10-4, 外观为： 无色或浅黄色液体； 可以釆 用公知的上海生产的含量≥98%  [19] a. Material selection: Select ethyl silicate as raw material; selected ethyl silicate, molecular formula: C8H20O4Si, molecular weight: 208.33, CAS No.: 78-10-4, Appearance: colorless or light Yellow liquid; can use the well-known Shanghai production content ≥98%
的硅酸乙酯， 其二氧化硅含量： 28.5% ; 密度： 0.93g/cm3; 粘度： 0.97mpa.s; 游 离酸： ≤0.001%。  Ethyl silicate, silica content: 28.5%; density: 0.93 g/cm3; viscosity: 0.97 mpa.s; free acid: ≤ 0.001%.
[20] b.提纯： 将选取的硅酸乙酯原料至于精馏装置中进行精馏提纯； 可以釆用公知 结构的精馏塔进行精馏提纯， 如釆用如中国发明专利公幵号" CN 85106705A"名 称为"低温精馏塔"的专利公幵的结构的精馏塔对硅酸乙酯原料进行精馏提纯。  [20] b. Purification: The selected ethyl silicate raw material is used for rectification and purification in a rectification device; it can be rectified and purified by using a rectification column of a known structure, such as the Chinese invention patent nickname " CN 85106705A The rectification column of the structure of the patent publication entitled "Cryogenic Rectification Column" rectifies and purifies the ethyl silicate raw material.
[21] c 水解： 将经过提纯步骤得到的硅酸乙酯进行水解， 使得硅酸乙酯的水解生 成物溶胶化； 进一步， 该步骤中将硅酸乙酯水解， 水解得到的生成物由混浊变 为稠状后停止水解； 水解工艺可以釆用公知的硅酸乙酯水解工艺， 如釆用如中 国发明专利公开号" CN1262154"名称为 "硅酸乙酯自硬砂陶瓷型工艺"的专利公开 的硅酸乙酯的水解工艺。 [21] c hydrolysis: hydrolysis of ethyl silicate obtained by the purification step, so that the hydrolysis product of ethyl silicate is solified; further, ethyl silicate is hydrolyzed in this step, and the product obtained by hydrolysis is turbid After the mixture becomes thick, the hydrolysis is stopped; the hydrolysis process can be carried out by using a known hydrolysis process of ethyl silicate, such as The invention discloses the hydrolysis process of ethyl silicate disclosed in the patent of the "CN1262154" entitled "Ethyl Silicate Self-hardening Sand Ceramic Process".
[22] d .搅拌煮沸： 将硅酸乙酯经过水解步骤得到的产物至于耐高温容器中均匀搅拌 后加热直至沸腾， 除去有机物杂质； 进一步， 加热的温度为常压下 100〜200°C。  [22] d. Stirring and boiling: The product obtained by subjecting the ethyl silicate to the hydrolysis step is uniformly stirred in a high temperature resistant vessel and then heated until boiling to remove organic impurities; further, the heating temperature is 100 to 200 ° C under normal pressure.
[23] e.冷却沉淀： 在经过搅拌煮沸后， 将煮沸除去有机杂质后的硅酸乙酯水解产物 在常温常压下静置冷却， 直至其充分沉淀； 该步骤得到的沉淀物为硅凝胶， 其 反应式为： （C2H0)4 Si04+4H20。  [23] e. Cooling the precipitate: After being stirred and boiled, the ethyl silicate hydrolyzate after boiling to remove organic impurities is allowed to stand under normal temperature and normal pressure until it is sufficiently precipitated; the precipitate obtained in this step is silicon condensation. Glue, its reaction formula is: (C2H0)4 Si04+4H20.
[24] f.离心甩干后加入导电银胶： 将经过冷却沉淀得到的沉淀物硅凝胶进行离心甩 干， 使沉淀中的液态成份脱离； 在经过前步得到硅凝胶中加入导电银胶； 其配 料的质量份为： 硅凝胶 500- 1000质量份， 导电银胶为 30-60质量份； 充分进行搅 拌得到料 1 ; 导电银胶又称环氧树脂银粉导电胶， 可以釆用釆用如中国发明专利 公开号 "CN1939999"名称为 "银粉导电胶及其制备方法 "的专利公开的银粉导电胶  [24] f. After centrifuging and drying, adding conductive silver glue: centrifugally drying the precipitated silicon gel obtained by cooling precipitation to remove the liquid component in the precipitate; adding conductive silver to the silicon gel obtained through the previous step Glue; the mass parts of the ingredients are: 500-1000 parts by weight of silicone gel, 30-60 parts by mass of conductive silver glue; fully stirred to obtain material 1; conductive silver glue, also known as epoxy resin silver powder conductive glue, can be used Silver powder conductive adhesive disclosed in the patent of China Invention Patent Publication No. "CN1939999" entitled "Silver Powder Conductive Adhesive and Its Preparation Method"
[25] g.煮洗： 在电导水中加入导电铜粉和活性碳粉并搅拌均匀， 其配料质量份为： 导电铜粉 30-150质量份， 活性碳粉 50-250质量份， 电导水 100-500质量份， 充分 搅拌后得到料 2; 将料 2放料 1中加热至电导水充分沸腾， 然后停止加热； 加热的 温度为常压下 100〜150°C; 所述电导水釆用公知的实验室中用来测定溶液电导吋 所用的一种纯水，除含 H+和 OH-外不含其它物质，电导率应为 1χ106Ω-1 αη-1。 [25] g. Cooking: Add conductive copper powder and activated carbon powder to the conductive water and stir evenly. The mass of the ingredients is: 30-150 parts by weight of conductive copper powder, 50-250 parts by weight of activated carbon powder, 100 water conductive water. -500 parts by mass, fully stirred to obtain the material 2; heating the material 2 to the conductive water to fully boil, and then stopping the heating; the heating temperature is 100 to 150 ° C under normal pressure; the electrically conductive water raft is known In the laboratory, a pure water used to determine the conductivity of the solution is free of other substances except H+ and OH-, and the conductivity should be 1χ106Ω-1αη-1.
[26] h.烘干灼烧： 将经过煮洗的沉淀物冷却后再次进行离心甩干， 使沉淀中的液态 成份脱离， 然后将得到的沉淀物放入烘干机中进行烘干， 将烘干得到的产物在 常压下温度范围为 900〜1500°C内进行灼烧， 灼烧后即可得到导热、 导电硅胶； 进一步， 烘干的温度为 700°C， 烘干的吋间为 10分钟。  [26] h. Drying and burning: After cooling the washed precipitate, it is centrifuged again to remove the liquid component in the sediment, and then the obtained precipitate is placed in a dryer for drying. The product obtained by drying is fired in a temperature range of 900 to 1500 ° C under normal pressure, and heat-conductive and conductive silica gel can be obtained after burning; further, the drying temperature is 700 ° C, and the drying time is 10 minutes.
[27] 在步骤 f中所述硅凝胶和导电银胶的质量份之比为： 1000: 60。  [27] The ratio of the mass fraction of the silicone gel to the conductive silver paste in the step f is 1000: 60.
[28] 在步骤 g中所述将料和放料 1的质量份之比为： 10: 1。  [28] The ratio of the mass of the feed to the discharge 1 in step g is: 10:1.
[29] 本发明提供的一种釆用前述制法得到的硅胶为发热体的发热装置， 其包括： 电 源， 及电导线， 其中， 还包括： 至少两片彼此不连接的由上述制作方法得到的 非粘性导热、 导电硅胶片， 以及与所述电源连接的开关， 所述导热、 导电硅胶 片通过电导线电连接。 进一步， 所述发热装置还包括： 设置在所述电源与开关间的变压单元； 该变压 单元釆用公知结构的变压器。 [29] The present invention provides a heat generating device using the silica gel obtained by the above-mentioned method as a heating element, comprising: a power source, and an electric wire, wherein: the method further comprises: at least two pieces not connected to each other are obtained by the above manufacturing method The non-adhesive thermally conductive, electrically conductive silicone sheet, and the switch connected to the power source, the thermally conductive, electrically conductive silicone sheet is electrically connected by an electrical lead. Further, the heat generating device further includes: a transformer unit disposed between the power source and the switch; and the transformer unit uses a transformer of a known structure.
进一步， 所述变压单元为将交流电变为直流电的直流变压器。  Further, the transformer unit is a DC transformer that converts alternating current into direct current.
进一步， 所述的电源釆用 220V的交流市电； 变压单元将 220V的交流电转换为 人体可以接受的安全电压的直流电。  Further, the power supply uses 220V AC mains; the transformer unit converts 220V AC into a DC voltage that is acceptable to the human body.
进一步， 所述的电源釆用汽车直流点烟器。  Further, the power supply uses a car DC cigarette lighter.
进一步， 所述的电导线釆用导电铜箔。  Further, the electric wire is made of a conductive copper foil.
进一步， 所述的导热、 导电硅胶片的厚度为 0.5〜1.5mm。  Further, the heat conductive and conductive silica gel sheet has a thickness of 0.5 to 1.5 mm.
进一步， 所述导热、 导电硅胶片间的间距为 10〜20mm。  Further, the distance between the heat conductive and conductive silicone sheets is 10 to 20 mm.
有益效果 Beneficial effect
本发明提供的一种导热、 导电硅胶的制作方法， 其顺序包括步骤： 选料， 提纯 ， 水解， 搅拌煮沸， 冷却沉淀， 离心甩干， 煮洗， 烘干灼烧； 通过该种制作方 法可以得到一种具有导热、 导电性能的硅胶， 该方法工艺流程简单、 制造种导 热、 导电硅胶成本较低， 本发明提供的一种釆用前述制法得到的硅胶为发热体 的发热装置， 其包括： 电源， 及电导线， 其中， 还包括： 至少两片彼此不连接 的由上述制作方法得到的非粘性导热、 导电硅胶片， 以及与所述电源连接的开 关， 所述导热、 导电硅胶片通过电导线电连接； 该种发热装置由于其发热体的 性能优点， 可以广泛的应用于发热汽车坐--靠垫、 发热马甲、 发热毛毯、 发热鞋 及医疗运动器材、 床上用品、 各种特种服装领域， 因为其发热体为导热、 导电 性能的硅胶， 故， 导致该种发热装置具有可以水洗， 恒温效果好， 无污染等优 点。  The invention provides a method for preparing a thermally conductive and conductive silica gel, the sequence comprising the steps of: selecting materials, purifying, hydrolyzing, stirring and boiling, cooling and sedimenting, centrifuging, drying, boiling, drying and burning; A silica gel having thermal conductivity and electrical conductivity is obtained. The method has the advantages of simple process flow, high thermal conductivity, and low cost of conductive silica gel. The invention provides a heat-generating device using the silica gel obtained by the above-mentioned preparation method as a heating element, which comprises The power supply, and the electric wire, further comprising: at least two non-adhesive heat conductive and conductive silicone sheets obtained by the above manufacturing method, and a switch connected to the power source, wherein the heat conductive and conductive silicone sheets pass Electric wire electrical connection; This kind of heating device can be widely used in heating car seat--cushion, heating vest, heating blanket, heating shoes and medical sports equipment, bedding, various special clothing fields due to the performance advantages of its heating body. Because the heating element is a thermal conductive, conductive silicone, so Having a heat-generating device can be washed, temperature effect, pollution and other advantages.
附图说明 DRAWINGS
图 1为本发明一实施方式中一种导热、 导电硅胶的制作方法的工艺流程； 图 2为本发明一种釆用前述制法得到的硅胶为发热体的发热装置的结构示意图  1 is a process flow of a method for fabricating a thermally conductive and conductive silica gel according to an embodiment of the present invention; FIG. 2 is a schematic view showing the structure of a heat generating device using a silica gel obtained by the above-mentioned method as a heating element;
本发明的最佳实施方式 BEST MODE FOR CARRYING OUT THE INVENTION
为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施例 ， 对本发明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 以解释本发明， 并不用于限定本发明。 The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used The invention is not intended to limit the invention.
[41] 如图 1所示， 一种导热、 导电硅胶的制作方法， 其包括： [41] As shown in FIG. 1, a method for manufacturing a thermally conductive and conductive silica gel, comprising:
[42] a选料： 选取硅酸乙酯为原料； 所选取的硅酸乙酯， 分子式为： C8H20O4Si， 分子量： 208.33， CAS No.: 78-10-4, 外观为： 无色或浅黄色液体； 可以釆 用公知的上海生产的含量≥98%  [42] a Material selection: Select ethyl silicate as raw material; selected ethyl silicate, molecular formula: C8H20O4Si, molecular weight: 208.33, CAS No.: 78-10-4, appearance: colorless or light yellow Liquid; can use the well-known Shanghai production content ≥98%
的硅酸乙酯， 其二氧化硅含量： 28.5% ; 密度： 0.93g/cm3; 粘度： 0.97mpa.s; 游 离酸： ≤0.001%。  Ethyl silicate, silica content: 28.5%; density: 0.93 g/cm3; viscosity: 0.97 mpa.s; free acid: ≤ 0.001%.
[43] b.提纯： 将选取的硅酸乙酯原料至于精馏装置中进行精馏提纯； 可以釆用公知 结构的精馏塔进行精馏提纯， 如釆用如中国发明专利公幵号" CN 85106705A"名 称为"低温精馏塔"的专利公幵的结构的精馏塔对硅酸乙酯原料进行精馏提纯。  [43] b. Purification: The selected ethyl silicate raw material is used for rectification and purification in a rectification device; it can be rectified and purified by using a rectification column of a known structure, such as the Chinese invention patent nickname " CN 85106705A The rectification column of the structure of the patent publication entitled "Cryogenic Rectification Column" rectifies and purifies the ethyl silicate raw material.
[44] c 水解： 将经过提纯步骤得到的硅酸乙酯进行水解， 使得硅酸乙酯的水解生 成物溶胶化； 进一步， 该步骤中将硅酸乙酯水解， 水解得到的生成物由混浊变 为稠状后停止水解； 水解工艺可以釆用公知的硅酸乙酯水解工艺， 如釆用如中 国发明专利公幵号" CN1262154"名称为 "硅酸乙酯自硬砂陶瓷型工艺"的专利公幵 的硅酸乙酯的水解工艺。  [44] c hydrolysis: hydrolysis of ethyl silicate obtained by the purification step, so that the hydrolysis product of ethyl silicate is solified; further, ethyl silicate is hydrolyzed in this step, and the product obtained by hydrolysis is turbid After the thickening, the hydrolysis is stopped; the hydrolysis process can be carried out by using a known hydrolysis process of ethyl silicate, such as the Chinese invention patent No. "CN1262154", which is named "ethyl silicate self-hardening ceramic technology". The patented public hydrolysis process of ethyl silicate.
[45] d .搅拌煮沸： 将硅酸乙酯经过水解步骤得到的产物至于耐高温容器中均匀搅拌 后加热直至沸腾， 除去有机物杂质； 进一步， 加热的温度为常压下 100〜200°C。  [45] d. Stirring and boiling: The product obtained by subjecting the ethyl silicate to the hydrolysis step is uniformly stirred in a high temperature resistant vessel and then heated until boiling to remove organic impurities; further, the heating temperature is 100 to 200 ° C under normal pressure.
[46] e.冷却沉淀： 在经过搅拌煮沸后， 将煮沸除去有机杂质后的硅酸乙酯水解产物 在常温常压下静置冷却， 直至其充分沉淀； 该步骤得到的沉淀物为硅凝胶， 其 反应式为： （C2H0)4 Si04+4H20。  [46] e. Cooling the precipitate: After being stirred and boiled, the ethyl silicate hydrolyzate after boiling to remove organic impurities is allowed to stand at room temperature and normal pressure for cooling until it is sufficiently precipitated; the precipitate obtained in this step is silicon condensation. Glue, its reaction formula is: (C2H0)4 Si04+4H20.
[47] f.离心甩干后加入导电银胶： 将经过冷却沉淀得到的沉淀物硅凝胶进行离心甩 干， 使沉淀中的液态成份脱离； 在经过前步得到硅凝胶中加入导电银胶； 其配 料的质量份为： 硅凝胶 500- 1000质量份， 导电银胶为 30-60质量份； 充分进行搅 拌得到料 1 ; 导电银胶又称环氧树脂银粉导电胶， 可以釆用釆用如中国发明专利 公幵号 "CN1939999"名称为 "银粉导电胶及其制备方法 "的专利公幵的银粉导电胶  [47] f. After centrifuging and drying, adding conductive silver glue: centrifugally drying the precipitated silicon gel obtained by cooling precipitation to remove the liquid component in the precipitate; adding conductive silver to the silicon gel obtained in the previous step Glue; the mass parts of the ingredients are: 500-1000 parts by weight of silicone gel, 30-60 parts by mass of conductive silver glue; fully stirred to obtain material 1; conductive silver glue, also known as epoxy resin silver powder conductive glue, can be used银Use the silver powder conductive adhesive of the patent publication No. "CN1939999" named "Silver powder conductive adhesive and its preparation method"
[48] g.煮洗： 在电导水中加入导电铜粉和活性碳粉并搅拌均匀， 其配料质量份为： 导电铜粉 30-150质量份， 活性碳粉 50-250质量份， 电导水 100-500质量份， 充分 搅拌后得到料 2; 将料 2放料 1中加热至电导水充分沸腾， 然后停止加热； 加热的 温度为常压下 100〜150°C; 所述电导水釆用公知的实验室中用来测定溶液电导吋 所用的一种纯水，除含 H+和 OH-外不含其它物质，电导率应为 1χ106Ω-1 αη-1。 [48] g. Cooking: Add conductive copper powder and activated carbon powder to the conductive water and stir evenly. The mass of the ingredients is: 30-150 parts by weight of conductive copper powder, 50-250 parts by weight of activated carbon powder, 100 water conductive water -500 parts by mass, full After stirring, the material 2 is obtained; the material 2 is heated to the conductive water to boil sufficiently, and then the heating is stopped; the heating temperature is 100 to 150 ° C under normal pressure; the electrically conductive water raft is used in a well-known laboratory. A pure water used for the determination of the conductivity of the solution contains no substance other than H+ and OH-, and the conductivity should be 1χ106Ω-1αη-1.
[49] h.烘干灼烧： 将经过煮洗的沉淀物冷却后再次进行离心甩干， 使沉淀中的液态 成份脱离， 然后将得到的沉淀物放入烘干机中进行烘干， 将烘干得到的产物在 常压下温度范围为 900〜1500°C内进行灼烧， 灼烧后即可得到导热、 导电硅胶； 进一步， 烘干的温度为 700°C， 烘干的吋间为 10分钟。  [49] h. Drying and burning: After cooling the washed precipitate, it is centrifuged again to remove the liquid component in the sediment, and then the obtained precipitate is placed in a dryer for drying. The product obtained by drying is fired in a temperature range of 900 to 1500 ° C under normal pressure, and heat-conductive and conductive silica gel can be obtained after burning; further, the drying temperature is 700 ° C, and the drying time is 10 minutes.
[50] 本具体实施方式中， 在步骤 f中所述硅凝胶和导电银胶的质量份之比为： 1000 ： 60。  [00] In this embodiment, the ratio of the mass fraction of the silicone gel and the conductive silver paste in the step f is 1000:60.
[51] 本具体实施方式中， 在步骤 g中所述将料和放料 1的质量份之比为： 10: 1。  [51] In this embodiment, the ratio of the mass of the feed to the discharge 1 in the step g is: 10:1.
[52] 图 2所示， 本发明提供的一种釆用前述制法得到的硅胶为发热体的发热装置， 其包括： 电源 （未图示） ， 及电导线 1， 其中， 还包括： 至少两片彼此不连接的 由上述制作方法得到的非粘性导热、 导电硅胶片 2， 以及与所述电源连接的幵关 (未图示） ， 所述导热、 导电硅胶片 2通过电导线 1电连接。 [52] FIG. 2 shows a heat generating device using the silica gel obtained by the above-mentioned method as a heating element, comprising: a power source (not shown), and an electric wire 1, wherein the method further includes: Two non-adhesive heat-conductive and conductive silicone sheets 2 obtained by the above-mentioned manufacturing method and connected to the power source (not shown), the thermally conductive and conductive silicone sheets 2 are electrically connected by an electric wire 1 .
[53] 本具体实施方式中， 所述发热装置还包括： 设置在所述电源与幵关间的变压单 元 （未图示） ； 该变压单元釆用公知结构的变压器。 In a specific embodiment, the heat generating device further includes: a transformer unit (not shown) disposed between the power source and the switch; and the transformer unit uses a transformer of a known structure.
[54] 本具体实施方式中， 所述变压单元为将交流电变为直流电的直流变压器。 [54] In the specific embodiment, the transformer unit is a DC transformer that converts alternating current into direct current.
[55] 本具体实施方式中， 所述的电源釆用 220V的交流市电 （未图示） ； 变压单元将[55] In the specific embodiment, the power supply uses 220V AC mains (not shown); the transformer unit will
220V的交流电转换为人体可以接受的安全电压的直流电。 The 220V AC is converted to a DC voltage that is acceptable for the human body.
[56] 进一步， 所述的电源也可以釆用汽车直流点烟器 （未图示） 。 [56] Further, the power source may also use a car DC cigarette lighter (not shown).
[57] 本具体实施方式中， 所述的电导线釆用导电铜箔 （未图示） 。 In the specific embodiment, the electric wire is made of a conductive copper foil (not shown).
[58] 本具体实施方式中， 所述的导热、 导电硅胶片 2的厚度为 0.5〜1.5mm。 In the specific embodiment, the thickness of the thermally conductive and conductive silica gel sheet 2 is 0.5 to 1.5 mm.
[59] 本具体实施方式中， 所述导热、 导电硅胶片 2间的间距为 10〜20mm。 In the specific embodiment, the distance between the heat conductive and conductive silicone sheets 2 is 10 to 20 mm.
[60] 本发明提供的一种导热、 导电硅胶的制作方法， 其顺序包括步骤： 选料， 提纯 ， 水解， 搅拌煮沸， 冷却沉淀， 离心甩干， 煮洗， 烘干灼烧； 通过该种制作方 法可以得到一种具有导热、 导电性能的硅胶， 该方法工艺流程简单、 制造种导 热、 导电硅胶成本较低， 本发明提供的一种釆用前述制法得到的硅胶为发热体 的发热装置， 其包括： 电源， 及电导线， 其中， 还包括： 至少两片彼此不连接 的由上述制作方法得到的非粘性导热、 导电硅胶片， 以及与所述电源连接的开 关， 所述导热、 导电硅胶片通过电导线电连接； 该种发热装置由于其发热体的 性能优点， 可以广泛的应用于发热汽车坐--靠垫、 发热马甲、 发热毛毯、 发热鞋 及医疗运动器材、 床上用品、 各种特种服装领域， 因为其发热体为导热、 导电 性能的硅胶， 故， 导致该种发热装置具有可以水洗， 恒温效果好， 无污染等优 点 [60] The invention provides a method for preparing a thermally conductive and conductive silica gel, the sequence comprising the steps of: selecting, purifying, hydrolyzing, stirring and boiling, cooling and sedimenting, centrifuging, drying, boiling, drying and burning; The production method can obtain a silica gel having thermal conductivity and electrical conductivity. The method has the advantages of simple process flow, high thermal conductivity, and low cost of conductive silica gel. The invention provides a heat-generating device using the silica gel obtained by the above-mentioned preparation method as a heating element. The utility model comprises: a power source, and an electric wire, wherein: the method further comprises: at least two pieces are not connected to each other The non-tacky heat conductive and conductive silica gel sheet obtained by the above manufacturing method, and the switch connected to the power source, the heat conductive and conductive silica gel sheet are electrically connected by an electric wire; the heat generating device can have the performance advantages of the heat generating body Widely used in heating car seat--cushion, heating vest, heating blanket, heating shoes and medical sports equipment, bedding, all kinds of special clothing, because its heating body is heat-conductive, conductive silicone, it leads to this kind The heating device has the advantages of being washable, having a good thermostatic effect, and no pollution.
[61] 以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发明的 精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本发明的保 护范围之内。  The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.
本发明的实施方式  Embodiments of the invention
[62]  [62]
工业实用性  Industrial applicability
[63]  [63]
序列表自由内容  Sequence table free content
[64]  [64]

Claims

权利要求书 Claim
[Claim 1] 1.一种导热、 导电硅胶的制作方法， 其特征在于， 其包括：  [Claim 1] 1. A method for fabricating a thermally conductive, electrically conductive silicone, characterized in that it comprises:
a.选料： 选取硅酸乙酯为原料；  a. Material selection: Select ethyl silicate as raw material;
b.提纯： 将选取的硅酸乙酯原料至于精馏装置中进行精馏提纯； c 水解： 将经过提纯步骤得到的硅酸乙酯进行水解， 使得硅酸乙 酯的水解生成物溶胶化； 该步骤中将硅酸乙酯水解， 水解得到的 生成物由混浊变为稠状后停止水解； 。  b. purification: the selected ethyl silicate raw material to the rectification device for rectification and purification; c hydrolysis: the ethyl silicate obtained by the purification step is hydrolyzed, so that the hydrolysis product of ethyl silicate is solified; In this step, ethyl silicate is hydrolyzed, and the product obtained by hydrolysis is changed from turbidity to thick form to stop hydrolysis;
d .搅拌煮沸： 将硅酸乙酯经过水解步骤得到的产物至于耐高温容 器中均匀搅拌后加热直至沸腾， 除去有机物杂质； 加热的温度为 常压下 100〜200°C。  d. Stirring and boiling: The product obtained by subjecting the ethyl silicate to the hydrolysis step is uniformly stirred in a high temperature resistant container and heated until boiling to remove organic impurities; the heating temperature is 100 to 200 ° C under normal pressure.
e.冷却沉淀： 在经过搅拌煮沸后， 将煮沸除去有机杂质后的硅酸乙 酯水解产物在常温常压下静置冷却， 直至其充分沉淀； 该步骤得 到的沉淀物为硅凝胶；  e. Cooling the precipitate: after being stirred and boiled, the ethyl silicate hydrolyzate after boiling to remove the organic impurities is allowed to stand at room temperature and normal pressure until it is sufficiently precipitated; the precipitate obtained in this step is a silica gel;
f.离心甩干后加入导电银胶： 将经过冷却沉淀得到的沉淀物硅凝 胶进行离心甩干， 使沉淀中的液态成份脱离； 在经过前步得到硅 凝胶中加入导电银胶； 其配料的质量份为： 硅凝胶 500-1000质量 份， 导电银胶为 30-60质量份； 充分进行搅拌得到料 1 ;  f. After centrifuging and drying, adding conductive silver glue: centrifugally drying the precipitated silicon gel obtained by cooling precipitation to remove the liquid component in the precipitate; adding conductive silver glue to the silicon gel obtained in the previous step; The mass parts of the ingredients are: 500-1000 parts by mass of silicone gel, 30-60 parts by mass of conductive silver glue; fully stirring to obtain material 1;
g.煮洗： 在电导水中加入导电铜粉和活性碳粉并搅拌均匀， 其配 料质量份为： 导电铜粉 30-150质量份， 活性碳粉 50-250质量份， 电导水 100-500质量份， 充分搅拌后得到料 2; 将料 2放料 1中加热 至电导水充分沸腾， 然后停止加热； 加热的温度为常压下 100〜15 0°C;  g. Cooking: Add conductive copper powder and activated carbon powder to the conductive water and stir evenly. The mass of the ingredients is: 30-150 parts by weight of conductive copper powder, 50-250 parts by weight of activated carbon powder, 100-500 mass of conducting water. Parts, fully stirred to obtain the material 2; the material 2 discharge material 1 is heated until the conductivity water is fully boiled, and then the heating is stopped; the heating temperature is 100~15 0 ° C under normal pressure;
h.烘干灼烧： 将经过煮洗的沉淀物冷却后再次进行离心甩干， 使 沉淀中的液态成份脱离， 然后将得到的沉淀物放入烘干机中进行 烘干， 将烘干得到的产物在常压下温度范围为 900〜1500°C内进行 灼烧， 灼烧后即可得到导热、 导电硅胶； 烘干的温度为 700°C， 烘 干的吋间为 10分钟。  h. Drying and burning: After cooling the washed precipitate, it is centrifuged again to remove the liquid component in the precipitate, and then the obtained precipitate is placed in a dryer for drying, and dried. The product is fired at a temperature ranging from 900 to 1500 ° C under normal pressure, and a heat-conductive and conductive silica gel can be obtained after burning; the drying temperature is 700 ° C, and the drying time is 10 minutes.
[Claim 2] 2.根据权利要求 1所述的导热、 导电硅胶的制作方法， 其特征在于 ， 在步骤 f中所述硅凝胶和导电银胶的质量份之比为： 1000: 60。[Claim 2] The method for manufacturing a thermally conductive and conductive silica gel according to claim 1, wherein The ratio of the mass fraction of the silicone gel to the conductive silver paste in the step f is 1000:60.
3.根据权利要求 1所述的导热、 导电硅胶的制作方法， 其特征在于 ， 在步骤 g中所述将料和放料 1的质量份之比为： 10: 1。 The method for producing a thermally conductive and conductive silica gel according to claim 1, wherein the ratio of the mass of the material to the discharge material 1 in the step g is 10:1.
4.一种釆用如权利要求 1所述制法得到的硅胶为发热体的发热装置 ， 其包括： 电源， 及电导线， 其特征在于， 还包括： 至少两片彼 此不连接的由上述制作方法得到的非粘性导热、 导电硅胶片， 以 及与所述电源连接的幵关， 所述导热、 导电硅胶片通过电导线电 连接。  A heat generating device using the silica gel obtained by the method according to claim 1 as a heating element, comprising: a power source, and an electric wire, further comprising: at least two pieces not connected to each other The non-tacky heat conductive and conductive silica gel sheet obtained by the method and the connection with the power source are electrically connected by the electric wires.
5.根据权利要求 4所述的发热装置， 其特征在于： 所述发热装置还 包括： 设置在所述电源与幵关间的变压单元； 所述变压单元为将 交流电变为直流电的直流变压器； 所述的电源釆用 220V的交流市 电。  The heat generating device according to claim 4, wherein the heat generating device further comprises: a transforming unit disposed between the power source and the switch; the transforming unit is a direct current that converts the alternating current into a direct current Transformer; The power supply uses 220V AC mains.
6.根据权利要求 4所述的发热装置， 其特征在于， 所述的电源釆用 汽车直流点烟器。  The heat generating device according to claim 4, wherein the power source is a car DC cigarette lighter.
7.根据权利要求 4所述的发热装置， 其特征在于， 所述的电导线釆 用导电铜箔。  The heat generating device according to claim 4, wherein the electric wire is made of a conductive copper foil.
8.根据权利要求 4所述的发热装置， 其特征在于， 所述的导热、 导 电硅胶片的厚度为 0.5〜1.5mm。  The heat generating device according to claim 4, wherein the heat conductive and conductive silicone sheet has a thickness of 0.5 to 1.5 mm.
9.根据权利要求 4所述的发热装置， 其特征在于， 所述导热、 导电 硅胶片间的间距为 10〜20mm。  The heat generating device according to claim 4, wherein a pitch between the heat conductive and conductive silica sheets is 10 to 20 mm.
PCT/CN2009/074431 2009-06-30 2009-10-14 Method for preparing thermally and electrically conductive silica gel and heat-generating device using silica gel produced thereby WO2011000183A1 (en)

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