WO2023015600A1 - Sèche-cheveux électrique - Google Patents

Sèche-cheveux électrique 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
Authority
WO
WIPO (PCT)
Prior art keywords
housing
hair dryer
handle
heating
heating conductor
Prior art date
Application number
PCT/CN2021/113960
Other languages
English (en)
Chinese (zh)
Inventor
戴伯伍
Original Assignee
珠海市佳一陶瓷有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海市佳一陶瓷有限公司 filed Critical 珠海市佳一陶瓷有限公司
Publication of WO2023015600A1 publication Critical patent/WO2023015600A1/fr

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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.

Landscapes

  • Cleaning And Drying Hair (AREA)

Abstract

L'invention concerne un sèche-cheveux électrique comprenant un boîtier (100), une poignée (200), un ventilateur (300) et un élément chauffant (400), une entrée d'air (130) étant disposée à une extrémité du boîtier (100) et une sortie d'air (140) étant disposée à l'autre extrémité du boîtier (100) ; la poignée (200) étant disposée au fond du boîtier (100) ; le ventilateur (300) étant disposé à l'intérieur du boîtier (100) et étant proche de l'entrée d'air (130) ; et l'élément chauffant (400) étant disposé entre le ventilateur (300) et la sortie d'air (140), et l'élément chauffant (400) comprenant un support isolant et un conducteur chauffant, le conducteur chauffant étant imprimé à l'intérieur du support isolant. Le conducteur chauffant n'a pas besoin d'être exposé à l'air comme un fil résistif chauffant classique, mais est disposé à l'intérieur du support isolant, de telle sorte que, à la différence d'un fil résistif chauffant, le conducteur chauffant peut éviter des conditions telles qu'une fracture oxydative et la chute de poussière de carbure ; de plus, étant donné que le conducteur chauffant est disposé à l'intérieur du support isolant, il n'est pas nécessaire d'utiliser un support de mica ou d'amiante comme isolant, de telle sorte qu'aucune substance nocive pour le corps humain n'est générée. De plus, le conducteur chauffant ne surchauffe pas et n'émet pas de lumière, il présente donc un taux de conversion de chauffage électrique élevé et est sûr.
PCT/CN2021/113960 2021-08-13 2021-08-23 Sèche-cheveux électrique WO2023015600A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110928304.4 2021-08-13
CN202110928304.4A CN113712363A (zh) 2021-08-13 2021-08-13 电吹风

Publications (1)

Publication Number Publication Date
WO2023015600A1 true WO2023015600A1 (fr) 2023-02-16

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PCT/CN2021/113960 WO2023015600A1 (fr) 2021-08-13 2021-08-23 Sèche-cheveux électrique

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CN (1) CN113712363A (fr)
WO (1) WO2023015600A1 (fr)

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* Cited by examiner, † Cited by third party
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CN114376318B (zh) * 2022-01-06 2022-11-29 深圳市众平电机有限公司 不含石棉纤维微粒可供孕妇、儿童及病患使用的吹风机

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