WO2009000114A1 - Energy saving electric heating fan and the making method of its electric heating element - Google Patents

Energy saving electric heating fan and the making method of its electric heating element Download PDF

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Publication number
WO2009000114A1
WO2009000114A1 PCT/CN2007/002820 CN2007002820W WO2009000114A1 WO 2009000114 A1 WO2009000114 A1 WO 2009000114A1 CN 2007002820 W CN2007002820 W CN 2007002820W WO 2009000114 A1 WO2009000114 A1 WO 2009000114A1
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Prior art keywords
electric heating
heat
energy
high temperature
mica
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PCT/CN2007/002820
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English (en)
French (fr)
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Kamtao Lo
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Priority to US11/995,633 priority Critical patent/US20100111510A1/en
Priority to EP07816436A priority patent/EP2161511A4/en
Publication of WO2009000114A1 publication Critical patent/WO2009000114A1/zh
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0423—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between hand-held air guns
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
    • A45D20/30—Electric circuitry specially adapted for hair drying devices
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type

Definitions

  • the invention belongs to the technical field of electric heating fans, and particularly relates to an electric heating fan which uses mica sheets as a base material of a heater.
  • the electric heat blower of the present invention can be used as a hair dryer for beauty and a heater for home heating.
  • the electric hair dryer is also undergoing technical research on the heating element of one of its core components.
  • the heating elements currently used are usually various resistance wires or electric heating tubes.
  • the use of conventional resistance wire as the electric heating element of the electric hair dryer has the following disadvantages: Since the resistance wire needs to be wound on the insulating substrate inside the fan, the wind resistance is large, and the motor power is required to reach the temperature required by the air outlet. High, resulting in high energy consumption, high wind speed, high noise, uneven heating, high motor speed will also lead to motor wear, so there are shortcomings such as low heating efficiency, short life, and can not work at low voltage (such as 12V).
  • the technical problem to be solved by the present invention is to provide an electric hair dryer in which a heat generating film is attached to a mica sheet as a base material to form a heat generating element in view of the defects of the prior art.
  • Another object of the present invention is to provide a method of fabricating a heat generating component of the electric hair dryer. .
  • An energy-saving electric heating fan comprising: a casing provided with an air inlet and an air outlet, a air supply fan installed in the casing, and a motor driving the fan, and an insulating substrate with an electric heating element located in the casing, which is heated
  • the connecting circuit of the component and the power source is characterized in that: the electric heating component is made of mica as a substrate and coated or silk-printed with a thin layer of high temperature resistant super glue as a connecting layer, and then coated or silk screen printed with an electrode.
  • a heating element made of a heating film.
  • the heating film slurry of the heating element is made of silicon oxide, aluminum oxide, silicon carbide, calcium, potassium as a main raw material, sintered under high temperature and high pressure, then broken, sieved into a powder, and then resistant to mica expansion coefficient. High temperature organic glue is mixed.
  • the electric heating element clamps the wire on the electrode film through the conductive clip, one end of the series thermostat and the fuse is connected to the power switch, and the other end uses the conductive clip to clamp the wire to the other end of the power switch, thereby forming a power-on loop.
  • the arrangement of the electric heating elements is in the shape of a square, a radial or a triangle or a diamond.
  • the air outlet of the blower is square, rectangular, elliptical, circular, conical or triangular.
  • the heat generating film of the heat generating element together with the total thickness of the mica sheet does not exceed 1 mm.
  • the technical solution adopted by the inventor further includes a method for manufacturing an electric heating element of an energy-saving electric heating fan, and the manufacturing method comprises the following steps:
  • the heat-generating film slurry is made of silicon oxide, aluminum oxide, silicon carbide, calcium, potassium as main raw materials, sintered under high temperature and high pressure, and then crushed, sieved into powder, and then has the same expansion coefficient as the mica.
  • the slurry is mixed; the drying treatment of the steps a, b and c is carried out at a drying temperature of 300 °C.
  • the heat generating body After the mica adheres to the heat generating film, the heat generating body is obtained, and the obtained heat generating body is placed in a sealed plastic bag for storage.
  • the energy-saving hot hair dryer to which the present invention is applied has the following advantages:
  • the conventional hair dryer winds a lot of heating coils around the insulating substrate.
  • the motor has to overcome the resistance so that the rotation speed is high, the heat is large, and the energy consumption is large.
  • the energy-saving hot hair dryer of the invention has a thickness of only 0.7 mm with the mica and a large mica.
  • the low resistance can achieve the required air volume at a low speed.
  • the traditional hair dryer will emit more than 80 decibels at high speed and resistance.
  • the energy-saving hot hair dryer of the present invention is a sheet-like axial air blower, and the motor has 30% of the same air volume rotation speed under the approximate no resistance, and the silence is below 74 decibels.
  • the energy-saving hot hair dryer of the invention has far infrared rays plus low rotation speed and low resistance of the motor, and the energy consumption can be reduced by more than 30%;
  • the electric heating element of the energy-saving hot hair dryer of the invention can emit far infrared rays, is absorbed by the human body without side effects, can accelerate the blood circulation under the skin, has certain effects on beauty and health, and enables the subcutaneous group to have sufficient nutrient absorption. .
  • FIG. 1 is a schematic view showing a partial structure of a prior art electric heat blower
  • FIG. 2 is a cross-sectional view of a heat generating component of the energy-saving electric heat blower of the present invention
  • FIG. 3 is a circuit connection diagram of a heating element of the energy-saving electric heating fan of the present invention.
  • Figure 4 is a partial cross-sectional view of the energy-saving electric heat blower of the present invention.
  • Figure 5 is a partial cross-sectional view of the energy-saving electric heat blower of the present invention.
  • 6 , 7 and 8 are respectively schematic structural views of three types of well-shaped arrangement of heating elements of the energy-saving electric heating fan of the present invention.
  • FIG. 9 , FIG. 10 and FIG. 11 are respectively schematic structural views of three radial arrangements of the heating elements of the energy-saving electric heating fan of the present invention.
  • FIG. 12, FIG. 13, and FIG. 14 are respectively a schematic view of three triangular or diamond-shaped arrangement of the heating elements of the energy-saving electric heating fan of the present invention.
  • the energy-saving heat blower of the present invention comprises: a casing 1 provided with an air inlet and an air outlet 4, a blower fan installed in the casing 1, and driving the fan.
  • the electric heating element 2 is a heating element made of mica as a base material and coated or silk-printed with a thin layer of high temperature resistant super glue as a connecting layer, and then coated or silk-printed with a heat generating film with electrodes.
  • the heating film slurry of the heating element is made of silicon oxide, aluminum oxide, silicon carbide, calcium, potassium as a main raw material, sintered at a high temperature and high pressure of 130 CTC, then broken, sieved into a powder, and then expanded in the same manner as the mica expansion coefficient.
  • High temperature resistant organic glue is mixed.
  • the heat-generating film is a semiconductor ceramic resistor paste containing various elements such as germanium and silicon, and the resistor paddle contains no harmful substances such as lead, mercury, high-valent chromium, polyether benzene, acid benzene, etc., and its thermal expansion coefficient and ceramics.
  • the substrate is uniform, the resistive paste is coated on the surface of the mica base material, and the drying temperature is formed at 300 ° C to form a heat-generating film attached to the surface of the mica base. After being energized, heat energy and far-infrared heat energy can be emitted.
  • the electric heating element clamps the wire on the electrode film 3 through the conductive clip 7, one end of the series thermostat 8 and the fuse 9 is connected to the power supply, and the other end uses the conductive clip 7 to clamp the wire to the other end of the power switch. Form an energized circuit.
  • the heat generating film of the heat generating element together with the total thickness of the mica sheet does not exceed 0.8 mm.
  • the arrangement of the electric heating elements is in a shape of a well.
  • the arrangement of the electric heating elements may be radial. As shown in Fig. 12, Fig. 13, and Fig. 14, the arrangement of the electric heating elements may be triangular or rhombic.
  • the corresponding air outlets of the blower may be square, rectangular, elliptical, circular, conical or triangular.
  • the manufacturing method of the electric heating electric fan electric heating element of the invention comprises the following steps:

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

节能电热风机及其电热元件的制作方法 技术领域
本发明属于电热风机技术领域， 尤其涉及一种利用云母片作为发热器基 体材料的电热风机。 本发明的电热风机可用作美容的电吹风机以及家庭取暖 用的暖风机等。
背景技术
电热吹风机作为一种广泛应用的电器产品， 其核心部件之一的发热体的 技术研究也在不断发展中， 目前使用的发热元件通常是各种电阻丝或电热管
(见图 1 )， 使用传统的电阻丝作为电热吹风机的电热元件存在以下缺点： 因 电阻丝需绕制于风机内绝缘基板上， 风阻力大， 为达到出风口需要的温度， 则要求马达功率高， 从而导致能耗大、 风速大、 噪音大， 发热不均匀， 马达 转速高也会导致马达磨损快， 因此有加热效率低， 寿命短， 不能在低电压（如 12V) 下工作等缺点。
发明内容
本发明要解决的技术问题就是鉴于现有技术存在的缺陷， 而提供一种将 发热膜附着于作为基体材料的云母片上制成发热元件的电热吹风机。
本发明的另一个目的在于提供一种制作所述电热吹风机的发热元件的方 法。 .
发明人为解决前述技术问题采用的技术方案是这样的：
一种节能电热风机， 包括： 设置有进风口和出风口的壳体、 安装在壳体 '内的送风风扇以及带动该风扇的马达， 位于壳体内的带有电热元件的绝缘基 板， 将电热元件与电源连通的连接电路， 其特征是： 所述电热元件是以云母 作基材并涂布或丝印一薄层耐高温强力胶水作为连结层， 然后再涂布或丝印 一层带有电极的发热膜制作而成的发热体。
所述发热体的发热膜浆料以氧化硅、 氧化铝、 碳化硅、 钙、 钾元素为主 要原料， 在高温高压下烧结， 然后打碎、 筛幼为粉末， 再与云母膨胀系数相 同的耐高温有机胶浆混合而成。 所述电热元件通过导电夹将导线夹紧在电极膜上， 一端串联温控器及保 险丝连接到电源开关， 另一端用导电夹夹紧导线到电源开关另一极， 则形成 通电回路。
所述电热元件的排列结构呈井字形、 放射状或三角形或菱形。
所述吹风机出风口呈正方形、 长方形、 椭圆形、 圆形、 锥形或者三角形。 所述发热元件的发热膜连同云母片总厚度不超过 1毫米。
发明人所采用的技术方案还包括一种节能电热风机电热元件的制作方 法， 该制作方法包括如下步骤：
a. 在具备干燥系统的条件下， 在每件云母的表面丝印或涂布一层薄的耐 高温强力胶水， 让其干燥；
b.将事先根据所需功率及温度调配好的发热膜桨料丝印或涂布在表面附 着有耐高温强力胶水的云母表面上并让其干燥；
c 将调好比例的银电极膜丝印在发热膜的两端， 并让其干燥； 得到所述 发热体；
所述发热膜浆料以氧化硅、 氧化铝、 碳化硅、 钙、 钾元素为主要原料， 在高温高压下烧结， 然后打碎、 筛幼为粉末， 再与云母膨胀系数相同的耐高 温有机胶浆混合而成； 所述步骤 a、 b和 c的干燥处理是在干燥温度为 300°C 的条件下进行的。
云母附着发热膜的工艺完成后， 得到所述发热体， 将所得发热体放入密 封的塑料袋内保存。
与现有技术相比， 应用本发明的节能热吹风机具有如下优点：
1 、 风力及耗能
A、 传统的吹风机在绝缘基板周围上绕组很多发热线圈， 马达要克服阻 力所以转速高， 热力大， 耗能大。
B、 本发明的节能热吹风机， 发热片连同云母厚度只有 0.7mm， 空间大 阻力低在低转速可以达到所需风量。
2 、 噪音
A、 传统吹风机在高转速及阻力大下， 马达会发出噪音在 80分贝以上。 B、本发明的节能热吹风机为片状轴向吹风，马达在近似无阻力下同的风 量转速下 30%， 静音在 74分贝以下。
3、 节能： 本发明的节能热吹风机有远红外线加上马达低转速低阻力， 节 约能耗可达 30%以上；
4、 因发热片云母排列量与马达排风是同向， 所以平均放热效率高， 径向 幅射少， 热力非常均匀。
5、本发明的节能热吹风机的电热元件能发射远红外线， 为人体所吸收而 无副作用， 更能加速皮下的血液循环， 对美容及健体有一定效果， 使皮下组 细胞能有充分营养吸收。
附图说明：
图 1为现有技术的电热吹风机局部结构示意图；
图 2为本发明节能电热风机的发热元件剖面图；
图 3为本发明的节能电热风机发热元件电路连接图；
图 4为本发明的节能电热风机的局部剖视图；
图 5为本发明的节能电热风机的局部剖视图；
图 6、 图 7及图 8分别为本发明的节能电热风机的发热元件的三种井字形 排列的结构示意图；
图 9、 图 10、 图 11分别为本发明的节能电热风机的发热元件的三种放射状 排列的结构示意图；
图 12、 图 13、 图 14分别为本发明的节能电热风机的发热元件的三种三角 形或菱形排列示意图。
具体实施方式:
下面以热吹风机为具体实施例结合附图对本发明的技术方案作详细的说 明。
如图 2、 图 3、 图 4及图 5所示， 本发明的节能热吹风机包括： 设置有进 风口和出风口 4的壳体 1、 安装在壳体 1 内的送风风扇以及带动该风扇的马 达， 位于壳体内的带有电热元件的绝缘基板， 将电热元件与电源连通的连接 电路， 以及设置于壳体 1一侧并安装有开关的手柄， 本发明的关键技术特征 是： 所述电热元件 2是以云母作基材并涂布或丝印一薄层耐高温强力胶水作 为连结层， 然后再涂布或丝印一层带有电极的发热膜制作而成的发热体。
所述发热体的发热膜浆料以氧化硅、 氧化铝、 碳化硅、 钙、 钾元素为主 要原料， 在高温高压 130CTC下烧结， 然后打碎， 筛幼为粉末， 再与云母膨胀 系数相同的耐高温有机胶浆混合而成。 具体地说， 发热膜是含有锗、 硅等多 种元素， 半导体陶瓷电阻浆料， 该电阻桨料不含铅、 汞、 高价铬， 聚醚苯， 酸苯等有害物质， 其热膨胀系数与陶瓷基体一致， 电阻浆料涂在云母基体材 料表面， 干燥温度在 300°C结成附着在云母基表面的发热膜， 通电后可以发 出热能及远红外线热能。
所述电热元件通过导电夹 7将导线夹紧在电极膜 3上， 一端串联温控器 8及保险丝 9连接到电源幵关， 另一端用导电夹 7夹紧导线到电源开关另一 极， 则形成通电回路。
所述发热元件的发热膜连同云母片总厚度不超过 0.8 毫米。 所述电热元 件排列方式有许多实施方式。
如图 6图、 图 7和图 8所示， 所述电热元件的排列结构呈井字形。
如图 9、 图 10和图 11所示， 所述电热元件的排列结构可以是呈放射状。 如图 12、 图 13和图 14所示， 所述电热元件的排列结构也可以是呈三角形或 菱形。
根据电热元件的排列结构的不同形状， 相应制作的吹风机出风口可以呈 正方形、 长方形、 椭圆形、 圆形、 锥形或者三角形。
本发明的节能电热风机电热元件的制作方法包括如下步骤：
a. 在具备干燥系统的条件下， 在每件云母的表面丝印一层薄的耐高温强 力胶水， 并在 300Ό下干燥；
b.将事先根据所需功率及温度调配好的发热膜丝印的热膜丝印在云母表 面上并在 300°C下干燥；
c 将调好比例的银电极膜丝印在发热膜的两端， 并在 300°C下干燥； d . 云母附着发热膜的工艺完成后， 得到所述发热体， 将所得发热体放 入密封的塑料袋内保存。

Claims

权利 要求书
1 . 一种节能电热风机， 包括： 设置有进风口和出风口 (4)的壳体（1 )、 安 装在壳体（1 ) 内的送风风扇以及带动该风扇的马达， 位于壳体内的带有电热 元件的绝缘基板， 将电热元件与电源连通的连接电路， 其特征是： 所述电热 元件 （2) 是以云母作基材并涂布或丝印一薄层耐高温强力胶水作为连结层， 然后再涂布或丝印一层带有电极的发热膜制作而成的发热体。
2. 根据权利要求 1所述的节能电热风机， 其特征是： 所述发热体的发热 膜浆料以氧化硅、 氧化铝、 碳化硅、 钙、 钾元素为主要原料， 在高温高压下 烧结， 然后打碎、 筛幼为粉末， 再与云母膨胀系数相同的耐高温有机胶浆混 合而成。
3. 根据权利要求 1所述的节能电热风机， 其特征是： 所述电热元件通过 导电夹（7)将导线夹紧在电极膜（3 )上，一端串联温控器（8 )及保险丝（9) 连接到电源开关， 另一端用导电夹（7)夹紧导线到电源开关另一极， 形成通 电回路。
4. 根据权利要求 1、 2或 3所述的节能电热风机， 其特征是： 所述电热 元件 （2) 的排列结构呈放射状。
5. 根据权利要求 1、 2或 3所述的节能电热风机， 其特征是： 所述电热 元件 （2 ) 的排列结构呈井字形。
6. 根据权利要求 1、 2或 3所述的节能电热风机， 其特征是： 所述电热 元件 （2) 的排列结构呈三角形或菱形。
7. 根据权利要求 1、 2或 3所述的节能电热风机， 其特征是： 所述吹风 机出风口呈正方形、 长方形、 椭圆形、 圆形、 锥形、 菱形及三角形。
8. 根据权利要求 1、 2或 3所述的节能热风机， 其特征是： 所述发热元 件 （2) 的发热膜连同云母片总厚度不超过 1毫米。
9. 一种节能电热风机电热元件的制作方法， 其特征在于该制作方法包括 如下步骤：
a. 在具备干燥系统的条件下， 在每件云母的表面丝印或涂布一层薄的耐 高温强力胶水， 让其干燥； ' ·.
b.将事先根据所需功率及温度调配好的发热膜浆料丝印或涂布在表面附 着有耐高温强力胶水的云母表面上并让其干燥；
c .将调好比例的银电极膜丝印在发热膜的两端， 并让其干燥； 得到所述 发热体。
10. 根据权利要求 9所述的节能电热风机电热元件的制作方法， 其特征 在于： 所述发热膜浆料以氧化硅、 氧化铝、 碳化硅、 钙、 钾元素为主要原料， 在高温高压下烧结， 然后打碎、 筛幼为粉末， 再与云母膨胀系数相同的耐高 温有机胶浆混合而成； 所述步骤&、 b和 c的干燥处理是在干燥温度为 300°C 的条件下进行的。
PCT/CN2007/002820 2007-06-25 2007-09-26 Energy saving electric heating fan and the making method of its electric heating element Ceased WO2009000114A1 (en)

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