WO2023015600A1 - Electric hair dryer - Google Patents

Electric hair dryer Download PDF

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Publication number
WO2023015600A1
WO2023015600A1 PCT/CN2021/113960 CN2021113960W WO2023015600A1 WO 2023015600 A1 WO2023015600 A1 WO 2023015600A1 CN 2021113960 W CN2021113960 W CN 2021113960W WO 2023015600 A1 WO2023015600 A1 WO 2023015600A1
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WO
WIPO (PCT)
Prior art keywords
housing
hair dryer
handle
heating
heating conductor
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PCT/CN2021/113960
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French (fr)
Chinese (zh)
Inventor
戴伯伍
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珠海市佳一陶瓷有限公司
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Publication of WO2023015600A1 publication Critical patent/WO2023015600A1/en

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    • 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
    • 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
    • A45D20/122—Diffusers, e.g. for variable air flow

Definitions

  • the invention relates to the technical field of hair dryers, in particular to a hair dryer.
  • the heater inside the hair dryer generally uses a nickel complex alloy resistance heating wire, and the heating wire needs to be wound on an asbestos support or a mica support.
  • this kind of heater has the following disadvantages: 1After the heating wire is energized and used for a period of time, oxidative fracture and dust will fall off, and the heating wire will glow hot when in use, and the electrothermal conversion rate is not high; 2After research, it is found that , heating the asbestos or mica bracket, or the hot air from the hair dryer with aging asbestos/mica bracket, will contain teratogenic asbestos fiber particles and carbide dust, which are absorbed into the respiratory tract and skin of pregnant women After the blood is released, it will enter the fetus through the blood circulation and placenta, which will lead to abnormal development of the fetus. Especially in the first month of pregnancy, if pregnant women use a hair dryer to dry their hair, it will be detrimental to the health of themselves and the fetus.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a hair dryer, which can avoid the oxidative fracture of the heating conductor.
  • the hair dryer according to the embodiment of the present invention comprises: a casing, one end of the casing is provided with an air inlet, and the other end of the casing is provided with an air outlet; a handle is arranged at the bottom of the casing; a fan is arranged at the bottom of the casing; The inside of the shell is close to the air inlet; the heating element is arranged between the fan and the air outlet, the heating element includes an insulating carrier and a heating conductor, and the heating conductor is printed inside the insulating carrier.
  • the hair dryer according to the embodiment of the present invention has at least the following beneficial effects: during operation, outside air enters the housing from the air inlet under the action of the fan, and is blown out from the air outlet after being heated by the heating element.
  • the heating conductor does not need to be exposed to the air like the traditional resistance heating wire, but is arranged inside the insulating carrier, so there will be no oxidative fracture and carbide dust falling off like the resistance heating wire.
  • the heating conductor since the heating conductor is set inside the insulating carrier, there is no need to use mica support or asbestos support as an insulator, so that no harmful substances will be produced; in addition, the heating conductor will not glow hot, and the electrothermal conversion rate Higher, higher security.
  • the insulating carrier is one of an alumina substrate, an aluminum nitride substrate, a silicon nitride substrate, a boron oxide substrate, a silicon oxide substrate, and a zirconia substrate, and the The heating conductor is tungsten paste printed inside the insulating carrier.
  • the housing includes a first shell and a second shell that are snap-connected to each other, and the handle includes a first half-handle and a second half-handle that are snap-fitted to each other.
  • the half handle is arranged at the bottom of the first casing, and the second half handle is arranged at the bottom of the second casing.
  • the first half handle is integrally formed with the first housing
  • the second half handle is integrally formed with the second housing
  • a controller is arranged in the housing, and the controller is used to control the rotation speed of the fan and the temperature of the heating conductor.
  • At least one of a temperature switching button, a wind speed switching button and a mode switching button is provided on the handle.
  • a temperature sensor is provided on the heating element, and the temperature sensor is electrically connected to the controller.
  • an air collecting nozzle is further included, and the air collecting nozzle is arranged at the air outlet.
  • a filter is provided at the air inlet.
  • a power cord is provided at the bottom of the handle.
  • FIG. 1 is a schematic structural view of a hair dryer according to an embodiment of the present invention
  • Fig. 2 is a schematic diagram of explosion of the hair dryer according to the embodiment of the present invention.
  • Fig. 3 is an exploded schematic diagram of another viewing angle of the hair dryer according to the embodiment of the present invention.
  • Housing 100 first housing 110, second housing 120, air inlet 130, air outlet 140, handle 200, first half handle 210, second half handle 220, fan 300, heating element 400, temperature switching button 500, Wind speed switching button 600, mode switching button 700, air collecting nozzle 800, filter screen 900, power cord 1000.
  • orientation descriptions such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
  • the hair dryer includes a housing 100, a handle 200, a fan 300 and a heating element 400; wherein, one end of the housing 100 is provided with an air inlet 130, and the other end of the housing 100 is provided with a There is an air outlet 140; the handle 200 is arranged at the bottom of the casing 100; the fan 300 is arranged inside the casing 100 close to the air inlet 130; the heating element 400 is arranged between the fan 300 and the air outlet 140, and the heating element 400 includes an insulating carrier and a heating conductor , the heating conductor is printed inside the insulating carrier.
  • the heating conductor does not need to be exposed to the air like the traditional resistance heating wire, but is arranged inside the insulating carrier, so there will be no oxidative fracture and carbide dust falling off like the resistance heating wire.
  • the heating conductor is set inside the insulating carrier, there is no need to use mica support or asbestos support as an insulator, so that no harmful substances will be produced; in addition, the heating conductor will not glow hot, and the electrothermal conversion rate Higher, higher security.
  • the insulating carrier can be a substrate made of silicate products such as alumina, aluminum nitride, silicon nitride, boron oxide, silicon oxide, zirconia, etc.
  • the heating conductor is tungsten paste printed inside the insulating carrier .
  • the heating element 400 can also use a metal sheet as a bracket. After printing a layer of insulating medium on the metal sheet, print tungsten paste on the insulating medium, then print a layer of insulating medium on the tungsten paste, and finally form a heating element by high-temperature sintering. Element 400. As shown in FIG. 3 , in order to ensure a relatively uniform heating effect on the air, a plurality of heating elements 400 are distributed in an annular array at the air outlet of the fan 300 .
  • the housing 100 includes a first housing 110 and a second housing 120 that are snap-connected to each other, and the handle 200 includes a first half handle that is snap-connected to each other.
  • the first half handle 210 is disposed at the bottom of the first housing 110
  • the second half handle 220 is disposed at the bottom of the second housing 120 .
  • the first half handle 210 and the first casing 110 may be integrally formed
  • the second half handle 220 and the second casing 120 may be integrally formed.
  • the housing 100 includes a first housing 110 on the left and a second housing 120 on the right.
  • the left side of the first housing 110 is provided with an air outlet 140 .
  • the right side of the body 120 is provided with an air inlet 130, the first housing 110 and the second housing 120 are fastened together to form a housing 100 with a cavity inside, and the first half handle 210 and the second half handle 220 are fastened to form a handle 200.
  • a controller (not shown) is disposed inside the housing 100, and the controller is used to control the rotation speed of the fan 300 and the temperature of the heating conductor.
  • the controller can adopt a common single-chip microcomputer, etc., and the controller can adjust the rotation speed of the fan 300 and the temperature of the heating conductor according to the needs of the user, so that the wind speed and temperature of the hair dryer can meet the needs of the user.
  • a temperature switching button 500 As shown in FIG. 1 , in some embodiments of the present invention, at least one of a temperature switching button 500 , a wind speed switching button 600 and a mode switching button 700 is provided on the handle 200 .
  • the controller adjusts the temperature of the heating conductor, thereby changing the temperature of the blown wind;
  • the controller adjusts the speed of the fan 300, thereby changing the wind speed of the hair dryer;
  • the mode switching button 700 the controller sets the hair dryer to the hot air mode or the cold air mode.
  • a temperature sensor (not shown) is provided on the heating element 400, and the temperature sensor is electrically connected to the controller.
  • the temperature sensor is used to detect the temperature of the heating element 400.
  • the controller controls the hair dryer to stop working to prevent the hair dryer from being damaged or spontaneously ignited due to excessive temperature.
  • an air gathering nozzle 800 is also included, and the air gathering nozzle 800 is arranged at the air outlet 140 .
  • the air gathering nozzle 800 is used to concentrate the wind blown by the hair dryer, so as to facilitate the user to style the hair.
  • a filter 900 is provided at the air inlet 130 .
  • the filter screen 900 is used to filter out impurities in the air, and prevent the impurities in the air from entering the inside of the hair dryer and causing damage to the hair dryer.
  • a power cord 1000 is provided at the bottom of the handle 200 .
  • the hair dryer is connected to a power source through a power cord 1000 .
  • a built-in battery can also be provided inside the hair dryer, and the battery can be used for power supply.

Abstract

An electric hair dryer, comprising a housing (100), a handle (200), a fan (300), and a heating element (400), wherein an air inlet (130) is provided at one end of the housing (100), and an air outlet (140) is provided at the other end of the housing (100); the handle (200) is disposed at the bottom of the housing (100); the fan (300) is disposed inside the housing (100) and is close to the air inlet (130); and the heating element (400) is disposed between the fan (300) and the air outlet (140), and the heating element (400) comprises an insulating carrier and a heating conductor, the heating conductor being printed inside the insulating carrier. The heating conductor does not need to be exposed to air like a traditional resistance heating wire, but is arranged inside the insulating carrier, such that, unlike the resistance heating wire, the heating conductor can avoid conditions such as oxidative fracture and the falling of carbide dust; moreover, since the heating conductor is arranged inside the insulating carrier, there is no need to use a mica or asbestos holder as an insulator, such that no substances harmful to the human body are generated. In addition, the heating conductor does not become red-hot or emit light, and therefore has a high electric heating conversion rate and good safety.

Description

电吹风hair dryer 技术领域technical field
本发明涉及吹风机技术领域，尤其是涉及一种电吹风。The invention relates to the technical field of hair dryers, in particular to a hair dryer.
背景技术Background technique
目前，电吹风内部的加热器一般采用的是镍络合金电阻加热丝，且加热丝需要缠绕在石棉支架或云母支架上。但是，这种加热器存在以下缺点：①加热丝在通电使用一段时间后，会发生氧化断裂及粉尘脱落的情况，并且电热丝在使用时会炽热发光，电热转换率不高；②经过研究发现，加热石棉或云母支架、或者石棉/云母支架老化的电吹风吹出的热风，会含有可致畸的石棉纤维微粒及碳化物粉尘，这些石棉纤维微粒及碳化物粉尘被孕妇的呼吸道及皮肤吸收进入血液后，又会通过血液循环和胎盘进入胎儿体内，从而导致胎儿畸形发育，尤其是刚怀孕的一个月内，孕妇用电吹风吹干头发，会对自己和胎儿的健康不利。At present, the heater inside the hair dryer generally uses a nickel complex alloy resistance heating wire, and the heating wire needs to be wound on an asbestos support or a mica support. However, this kind of heater has the following disadvantages: ①After the heating wire is energized and used for a period of time, oxidative fracture and dust will fall off, and the heating wire will glow hot when in use, and the electrothermal conversion rate is not high; ②After research, it is found that , heating the asbestos or mica bracket, or the hot air from the hair dryer with aging asbestos/mica bracket, will contain teratogenic asbestos fiber particles and carbide dust, which are absorbed into the respiratory tract and skin of pregnant women After the blood is released, it will enter the fetus through the blood circulation and placenta, which will lead to abnormal development of the fetus. Especially in the first month of pregnancy, if pregnant women use a hair dryer to dry their hair, it will be detrimental to the health of themselves and the fetus.
发明内容Contents of the invention
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出了一种电吹风，可避免发热导体发生氧化断裂的情况。The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a hair dryer, which can avoid the oxidative fracture of the heating conductor.
根据本发明实施例的电吹风，包括：外壳，所述外壳的一端设置有进风口，所述外壳的另一端设置有出风口；手柄，设于所述外壳的底部；风扇，设于所述外壳内部靠近所述进风口处；加热元件，设于所述风扇与所述出风口之间，所述加热元件包括绝缘载体和发热导体，所述发热导体印刷于所述绝缘载体内部。The hair dryer according to the embodiment of the present invention comprises: a casing, one end of the casing is provided with an air inlet, and the other end of the casing is provided with an air outlet; a handle is arranged at the bottom of the casing; a fan is arranged at the bottom of the casing; The inside of the shell is close to the air inlet; the heating element is arranged between the fan and the air outlet, the heating element includes an insulating carrier and a heating conductor, and the heating conductor is printed inside the insulating carrier.
根据本发明实施例的电吹风，至少具有如下有益效果：在工作过程中，外界空气在风扇的作用下，从进风口进入外壳内部，经过加热元件的加热后从出风口吹出。根据本发明实施例的电吹风，发热导体无需像传统的电阻加热丝一样暴露在空气中，而是设置在绝缘载体的内部，因此不会像电阻加热丝一样发生氧化断裂及碳化物粉尘脱落等情况；同时，由于发热导体是设置在绝缘载体内部的，所以无需再用到云母支架或石棉支架作为绝缘体，从而不会产生对人体有害的物 质；此外，发热导体不会炽热发光，电热转化率较高，安全性较高。The hair dryer according to the embodiment of the present invention has at least the following beneficial effects: during operation, outside air enters the housing from the air inlet under the action of the fan, and is blown out from the air outlet after being heated by the heating element. According to the hair dryer of the embodiment of the present invention, the heating conductor does not need to be exposed to the air like the traditional resistance heating wire, but is arranged inside the insulating carrier, so there will be no oxidative fracture and carbide dust falling off like the resistance heating wire. At the same time, since the heating conductor is set inside the insulating carrier, there is no need to use mica support or asbestos support as an insulator, so that no harmful substances will be produced; in addition, the heating conductor will not glow hot, and the electrothermal conversion rate Higher, higher security.
根据本发明的一些实施例，所述绝缘载体为氧化铝基片、氮化铝基片、氮化硅基片、氧化硼基片、氧化硅基片、氧化锆基片中的一种，所述发热导体为印刷于所述绝缘载体内部的钨浆料。According to some embodiments of the present invention, the insulating carrier is one of an alumina substrate, an aluminum nitride substrate, a silicon nitride substrate, a boron oxide substrate, a silicon oxide substrate, and a zirconia substrate, and the The heating conductor is tungsten paste printed inside the insulating carrier.
根据本发明的一些实施例，所述外壳包括相互卡扣连接的第一壳体和第二壳体，所述手柄包括相互卡扣连接的第一半手柄和第二半手柄，所述第一半手柄设置于所述第一壳体的底部，所述第二半手柄设置于所述第二壳体的底部。According to some embodiments of the present invention, the housing includes a first shell and a second shell that are snap-connected to each other, and the handle includes a first half-handle and a second half-handle that are snap-fitted to each other. The half handle is arranged at the bottom of the first casing, and the second half handle is arranged at the bottom of the second casing.
根据本发明的一些实施例，所述第一半手柄与所述第一壳体一体成型，所述第二半手柄与所述第二壳体一体成型。According to some embodiments of the present invention, the first half handle is integrally formed with the first housing, and the second half handle is integrally formed with the second housing.
根据本发明的一些实施例，所述外壳内设置有控制器，所述控制器用于控制所述风扇的转速及所述发热导体的温度。According to some embodiments of the present invention, a controller is arranged in the housing, and the controller is used to control the rotation speed of the fan and the temperature of the heating conductor.
根据本发明的一些实施例，所述手柄上设置有温度切换按钮、风速切换按钮和模式切换按钮中的至少一种。According to some embodiments of the present invention, at least one of a temperature switching button, a wind speed switching button and a mode switching button is provided on the handle.
根据本发明的一些实施例，所述加热元件上设置有温度传感器，所述温度传感器与所述控制器电性连接。According to some embodiments of the present invention, a temperature sensor is provided on the heating element, and the temperature sensor is electrically connected to the controller.
根据本发明的一些实施例，还包括聚风嘴，所述聚风嘴设置于所述出风口处。According to some embodiments of the present invention, an air collecting nozzle is further included, and the air collecting nozzle is arranged at the air outlet.
根据本发明的一些实施例，所述进风口处设置有过滤网。According to some embodiments of the present invention, a filter is provided at the air inlet.
根据本发明的一些实施例，所述手柄的底部设置有电源线。According to some embodiments of the present invention, a power cord is provided at the bottom of the handle.
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
附图说明Description of drawings
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:
图1为本发明实施例的电吹风的结构示意图；FIG. 1 is a schematic structural view of a hair dryer according to an embodiment of the present invention;
图2为本发明实施例的电吹风的爆炸示意图；Fig. 2 is a schematic diagram of explosion of the hair dryer according to the embodiment of the present invention;
图3为本发明实施例的电吹风的另一视角的爆炸示意图；Fig. 3 is an exploded schematic diagram of another viewing angle of the hair dryer according to the embodiment of the present invention;
附图标记：Reference signs:
外壳100、第一壳体110、第二壳体120、进风口130、出风口140、手柄200、第一半手柄210、第二半手柄220、风扇300、加热元件400、温度切换按钮500、风速切换按钮600、模式切换按钮700、聚风嘴800、过滤网900、电源线1000。 Housing 100, first housing 110, second housing 120, air inlet 130, air outlet 140, handle 200, first half handle 210, second half handle 220, fan 300, heating element 400, temperature switching button 500, Wind speed switching button 600, mode switching button 700, air collecting nozzle 800, filter screen 900, power cord 1000.
具体实施方式Detailed ways
本部分将详细描述本发明的具体实施例，本发明之较佳实施例在附图中示出，附图的作用在于用图形补充说明书文字部分的描述，使人能够直观地、形象地理解本发明的每个技术特征和整体技术方案，但其不能理解为对本发明保护范围的限制。This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
在本发明的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。In the description of the present invention, several means one or more, and multiple means two or more. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.
本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本发明中的具体含义。In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.
如图1至图3所示，根据本发明实施例的电吹风，包括外壳100、手柄200、风扇300和加热元件400；其中，外壳100的一端设置有进风口130，外壳100的另一端设置有出风口140；手柄200设于外壳100的底部；风扇300设于外壳 100内部靠近进风口130处；加热元件400设于风扇300与出风口140之间，加热元件400包括绝缘载体和发热导体，发热导体印刷于绝缘载体内部。As shown in FIGS. 1 to 3 , the hair dryer according to the embodiment of the present invention includes a housing 100, a handle 200, a fan 300 and a heating element 400; wherein, one end of the housing 100 is provided with an air inlet 130, and the other end of the housing 100 is provided with a There is an air outlet 140; the handle 200 is arranged at the bottom of the casing 100; the fan 300 is arranged inside the casing 100 close to the air inlet 130; the heating element 400 is arranged between the fan 300 and the air outlet 140, and the heating element 400 includes an insulating carrier and a heating conductor , the heating conductor is printed inside the insulating carrier.
根据本发明实施例的电吹风，在工作过程中，外界空气在风扇300的作用下，从进风口130进入外壳100内部，经过加热元件400的加热后从出风口140吹出。根据本发明实施例的电吹风，发热导体无需像传统的电阻加热丝一样暴露在空气中，而是设置在绝缘载体的内部，因此不会像电阻加热丝一样发生氧化断裂及碳化物粉尘脱落等情况；同时，由于发热导体是设置在绝缘载体内部的，所以无需再用到云母支架或石棉支架作为绝缘体，从而不会产生对人体有害的物质；此外，发热导体不会炽热发光，电热转化率较高，安全性较高。According to the hair dryer according to the embodiment of the present invention, during operation, outside air enters the housing 100 from the air inlet 130 under the action of the fan 300 , and is blown out from the air outlet 140 after being heated by the heating element 400 . According to the hair dryer of the embodiment of the present invention, the heating conductor does not need to be exposed to the air like the traditional resistance heating wire, but is arranged inside the insulating carrier, so there will be no oxidative fracture and carbide dust falling off like the resistance heating wire. At the same time, since the heating conductor is set inside the insulating carrier, there is no need to use mica support or asbestos support as an insulator, so that no harmful substances will be produced; in addition, the heating conductor will not glow hot, and the electrothermal conversion rate Higher, higher security.
具体地，绝缘载体可以采用氧化铝、氮化铝、氮化硅、氧化硼、氧化硅、氧化锆等硅酸盐制品所制成的基片，发热导体为印刷于绝缘载体内部的钨浆料。此外，加热元件400也可以采用金属片作为支架，在金属片上印刷一层绝缘介质后，在绝缘介质上印刷钨浆料，再在钨浆料上印刷一层绝缘介质，最后通过高温烧结形成加热元件400。如图3所示，为了保证对空气的加热效果较为均匀，多个加热元件400呈环形阵列分布于风扇300的出风口处。Specifically, the insulating carrier can be a substrate made of silicate products such as alumina, aluminum nitride, silicon nitride, boron oxide, silicon oxide, zirconia, etc., and the heating conductor is tungsten paste printed inside the insulating carrier . In addition, the heating element 400 can also use a metal sheet as a bracket. After printing a layer of insulating medium on the metal sheet, print tungsten paste on the insulating medium, then print a layer of insulating medium on the tungsten paste, and finally form a heating element by high-temperature sintering. Element 400. As shown in FIG. 3 , in order to ensure a relatively uniform heating effect on the air, a plurality of heating elements 400 are distributed in an annular array at the air outlet of the fan 300 .
如图2和图3所示，在本发明的一些实施例中，外壳100包括相互卡扣连接的第一壳体110和第二壳体120，手柄200包括相互卡扣连接的第一半手柄210和第二半手柄220，第一半手柄210设置于第一壳体110的底部，第二半手柄220设置于第二壳体120的底部。其中，第一半手柄210与第一壳体110可以是一体成型的，第二半手柄220与第二壳体120可以是一体成型的。通过这样的设置，使得电吹风的安装与拆卸变得简单。As shown in FIGS. 2 and 3 , in some embodiments of the present invention, the housing 100 includes a first housing 110 and a second housing 120 that are snap-connected to each other, and the handle 200 includes a first half handle that is snap-connected to each other. 210 and the second half handle 220 , the first half handle 210 is disposed at the bottom of the first housing 110 , and the second half handle 220 is disposed at the bottom of the second housing 120 . Wherein, the first half handle 210 and the first casing 110 may be integrally formed, and the second half handle 220 and the second casing 120 may be integrally formed. Through such a setting, the installation and disassembly of the hair dryer becomes simple.
具体地，如图2和图3所示，外壳100包括左侧的第一壳体110和右侧的第二壳体120，第一壳体110的左侧设置有出风口140，第二壳体120的右侧设置有进风口130，第一壳体110和第二壳体120扣合后形成内部有空腔的外壳100，第一半手柄210和第二半手柄220扣合后形成手柄200。Specifically, as shown in FIG. 2 and FIG. 3 , the housing 100 includes a first housing 110 on the left and a second housing 120 on the right. The left side of the first housing 110 is provided with an air outlet 140 . The right side of the body 120 is provided with an air inlet 130, the first housing 110 and the second housing 120 are fastened together to form a housing 100 with a cavity inside, and the first half handle 210 and the second half handle 220 are fastened to form a handle 200.
在本发明的一些实施例中，外壳100内设置有控制器(图未示)，控制器 用于控制风扇300的转速及发热导体的温度。其中，控制器可以采用常见的单片机等，控制器根据用户需要调节风扇300的转速和发热导体的温度，使得电吹风的风速和温度满足用户需求。In some embodiments of the present invention, a controller (not shown) is disposed inside the housing 100, and the controller is used to control the rotation speed of the fan 300 and the temperature of the heating conductor. Wherein, the controller can adopt a common single-chip microcomputer, etc., and the controller can adjust the rotation speed of the fan 300 and the temperature of the heating conductor according to the needs of the user, so that the wind speed and temperature of the hair dryer can meet the needs of the user.
如图1所示，在本发明的一些实施例中，手柄200上设置有温度切换按钮500、风速切换按钮600和模式切换按钮700中的至少一种。当用户调节温度切换按钮500时，控制器调节发热导体的温度，从而改变吹出的风的温度；当用户调节风速切换按钮600时，控制器调节风扇300的转速，从而改变电吹风的风速；当用户调节模式切换按钮700时，控制器将电吹风设置成热风模式或冷风模式。As shown in FIG. 1 , in some embodiments of the present invention, at least one of a temperature switching button 500 , a wind speed switching button 600 and a mode switching button 700 is provided on the handle 200 . When the user adjusts the temperature switch button 500, the controller adjusts the temperature of the heating conductor, thereby changing the temperature of the blown wind; when the user adjusts the wind speed switch button 600, the controller adjusts the speed of the fan 300, thereby changing the wind speed of the hair dryer; When the user adjusts the mode switching button 700, the controller sets the hair dryer to the hot air mode or the cold air mode.
在本发明的一些实施例中，加热元件400上设置有温度传感器(图未示)，温度传感器与控制器电性连接。温度传感器用于检测加热元件400的温度，当发现加热元件400的温度超过预设温度时，控制器控制电吹风停止工作，防止电吹风因温度过高而损坏或发生自燃现象。In some embodiments of the present invention, a temperature sensor (not shown) is provided on the heating element 400, and the temperature sensor is electrically connected to the controller. The temperature sensor is used to detect the temperature of the heating element 400. When the temperature of the heating element 400 is found to exceed the preset temperature, the controller controls the hair dryer to stop working to prevent the hair dryer from being damaged or spontaneously ignited due to excessive temperature.
如图1所示，在本发明的一些实施例中，还包括聚风嘴800，聚风嘴800设置于出风口140处。聚风嘴800用于将电吹风吹出的风集中起来，便于用户进行头发的造型。As shown in FIG. 1 , in some embodiments of the present invention, an air gathering nozzle 800 is also included, and the air gathering nozzle 800 is arranged at the air outlet 140 . The air gathering nozzle 800 is used to concentrate the wind blown by the hair dryer, so as to facilitate the user to style the hair.
如图2所示，在本发明的一些实施例中，进风口130处设置有过滤网900。过滤网900用于过滤掉空气中的杂质，防止空气中的杂质进入电吹风内部而造成电吹风的损坏。As shown in FIG. 2 , in some embodiments of the present invention, a filter 900 is provided at the air inlet 130 . The filter screen 900 is used to filter out impurities in the air, and prevent the impurities in the air from entering the inside of the hair dryer and causing damage to the hair dryer.
如图1所示，在本发明的一些实施例中，手柄200的底部设置有电源线1000。电吹风通过电源线1000连接电源。可以理解的是，也可以在电吹风内部设置内置电池，利用电池进行供电。As shown in FIG. 1 , in some embodiments of the present invention, a power cord 1000 is provided at the bottom of the handle 200 . The hair dryer is connected to a power source through a power cord 1000 . It can be understood that a built-in battery can also be provided inside the hair dryer, and the battery can be used for power supply.
在本说明书的描述中，参考术语“一个实施例”、“进一步实施例”、“一些具体实施例”或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式 结合。In the description of this specification, descriptions with reference to the terms "one embodiment", "further embodiments", "some specific embodiments" or "some examples" mean that specific features, structures, or A feature is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

  1. 一种电吹风，其特征在于，包括：A hair dryer, characterized in that it comprises:
    外壳(100)，所述外壳(100)的一端设置有进风口(130)，所述外壳(100)的另一端设置有出风口(140)；A housing (100), one end of the housing (100) is provided with an air inlet (130), and the other end of the housing (100) is provided with an air outlet (140);
    手柄(200)，设于所述外壳(100)的底部；a handle (200), located at the bottom of the housing (100);
    风扇(300)，设于所述外壳(100)内部靠近所述进风口(130)处；a fan (300), arranged inside the housing (100) close to the air inlet (130);
    加热元件(400)，设于所述风扇(300)与所述出风口(140)之间，所述加热元件(400)包括绝缘载体和发热导体，所述发热导体印刷于所述绝缘载体内部。A heating element (400), arranged between the fan (300) and the air outlet (140), the heating element (400) includes an insulating carrier and a heating conductor, and the heating conductor is printed inside the insulating carrier .
  2. 根据权利要求1所述的电吹风，其特征在于，所述绝缘载体为氧化铝基片、氮化铝基片、氮化硅基片、氧化硼基片、氧化硅基片、氧化锆基片中的一种，所述发热导体为印刷于所述绝缘载体内部的钨浆料。The hair dryer according to claim 1, wherein the insulating carrier is an alumina substrate, an aluminum nitride substrate, a silicon nitride substrate, a boron oxide substrate, a silicon oxide substrate, or a zirconia substrate One of them, the heating conductor is tungsten paste printed inside the insulating carrier.
  3. 根据权利要求1或2所述的电吹风，其特征在于，所述外壳(100)包括相互卡扣连接的第一壳体(110)和第二壳体(120)，所述手柄(200)包括相互卡扣连接的第一半手柄(210)和第二半手柄(220)，所述第一半手柄(210)设置于所述第一壳体(110)的底部，所述第二半手柄(220)设置于所述第二壳体(120)的底部。The hair dryer according to claim 1 or 2, characterized in that, the housing (100) includes a first housing (110) and a second housing (120) that are snap-fitted to each other, and the handle (200) It includes a first half handle (210) and a second half handle (220) that are snap-connected to each other, the first half handle (210) is arranged at the bottom of the first housing (110), and the second half handle The handle (220) is arranged at the bottom of the second casing (120).
  4. 根据权利要求3所述的电吹风，其特征在于，所述第一半手柄(210)与所述第一壳体(110)一体成型，所述第二半手柄(220)与所述第二壳体(120)一体成型。The hair dryer according to claim 3, characterized in that, the first half handle (210) is integrally formed with the first housing (110), and the second half handle (220) is integrated with the second The casing (120) is integrally formed.
  5. 根据权利要求1或2所述的电吹风，其特征在于，所述外壳(100)内设置有控制器，所述控制器用于控制所述风扇(300)的转速及所述发热导体的温度。The hair dryer according to claim 1 or 2, characterized in that a controller is arranged inside the casing (100), and the controller is used to control the rotation speed of the fan (300) and the temperature of the heating conductor.
  6. 根据权利要求5所述的电吹风，其特征在于，所述手柄(200)上设置有温度切换按钮(500)、风速切换按钮(600)和模式切换按钮(700)中的至少一种。The hair dryer according to claim 5, characterized in that the handle (200) is provided with at least one of a temperature switching button (500), a wind speed switching button (600) and a mode switching button (700).
  7. 根据权利要求5所述的电吹风，其特征在于，所述加热元件(400)上设置有温度传感器，所述温度传感器与所述控制器电性连接。The hair dryer according to claim 5, characterized in that a temperature sensor is arranged on the heating element (400), and the temperature sensor is electrically connected with the controller.
  8. 根据权利要求1或2所述的电吹风，其特征在于，还包括聚风嘴(800)，所述聚风嘴(800)设置于所述出风口(140)处。The hair dryer according to claim 1 or 2, further comprising an air gathering nozzle (800), and the air gathering nozzle (800) is arranged at the air outlet (140).
  9. 根据权利要求1或2所述的电吹风，其特征在于，所述进风口(130)处设置有过滤网(900)。The hair dryer according to claim 1 or 2, characterized in that a filter (900) is provided at the air inlet (130).
  10. 根据权利要求1或2所述的电吹风，其特征在于，所述手柄(200)的底部设置有电源线(1000)。The hair dryer according to claim 1 or 2, characterized in that a power cord (1000) is provided at the bottom of the handle (200).
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CN209563678U (en) * 2019-02-01 2019-11-01 宁波欧佩斯科技有限公司 The air-flow guide frame of hair dryer
CN210018217U (en) * 2019-02-01 2020-02-07 宁波欧佩斯科技有限公司 Air duct structure of blower
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