JP4085892B2 - Hair dryer - Google Patents

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Publication number
JP4085892B2
JP4085892B2 JP2003159992A JP2003159992A JP4085892B2 JP 4085892 B2 JP4085892 B2 JP 4085892B2 JP 2003159992 A JP2003159992 A JP 2003159992A JP 2003159992 A JP2003159992 A JP 2003159992A JP 4085892 B2 JP4085892 B2 JP 4085892B2
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Japan
Prior art keywords
cold air
air
air outlet
hot air
hair dryer
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JP2003159992A
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JP2004357937A (en
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貴司 中川
英俊 仲宗根
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、温風と冷風とを同時に送風できるヘアドライヤに関するものである。
【0002】
【従来の技術】
従来のヘアドライヤは温風を毛髪に当てることで、寝癖を伸ばしたり、毛髪をカールさせたりする癖付けに利用されている。ところでヘアドライヤによって発生させた温風のみを毛髪に当てた場合、温風の熱によって水素結合を切断し毛髪を一時的に癖付けすることは可能ではあるが、このように癖付けした状態の毛髪を十分に固定するには、温風により熱した毛髪に冷風を当てて再び水素結合させることが必要である。また温風だけを毛髪に当てた場合には毛髪が過乾燥となり、毛髪がぱさついてまとまりのない状態となってしまい、光が当たった時に乱反射して艶があるように見えず、この点からも毛髪に冷風を当てる必要がある。上記従来のヘアドライヤを用いて例えばスイッチを温風から冷風に切り換えて温風で熱した髪に冷風を当てることは可能ではあるが、温風を作るヒータの予熱等によって冷風が速やかに吹き出されず時間がかかってしまい、またスイッチによる温冷風の切換操作が面倒である。
【0003】
上記問題を改善するために近年では図4に示すような温風と冷風とを同時に吹き出すヘアドライヤ1が提供されている。図4に示すヘアドライヤ1のハウジング2内部には風洞部10を設けてあり、該風洞部10内には内筒11を設けている。内筒11内にはヒータ5を内装してあり、内筒11よりも上流側にはファン9を設けている。風洞部10の下流側端部はハウジング1外部に開口しており、ハウジング1の上流側端部には外気吸込口8を形成している。そしてこのヘアドライヤ1を使用する場合は、ファン9をモータ22により回転駆動する。これにより外気吸込口8から外気を吸い込み、この吸い込んだ空気を内筒11の内部と、内筒11及び風洞部10との間の空間との夫々に送り、そして内筒11の下流側端部の開口から温風を吹き出すと共に、内筒11及び風洞部10との間の空間の下流側端部の開口から冷風を吹き出す。そしてこのように温風と冷風とを同時に吹き出したヘアドライヤ1を移動させて毛髪に温風及び冷風を交互に当てていた(例えば特許文献1)。
【0004】
しかしながら従来のヘアドライヤや特許文献1に示すヘアドライアにおいては、全風量に対する冷風量の割合を開示したものがなかった。
【0005】
【特許文献1】
実開昭57−166808号公報
【0006】
【発明が解決しようとする課題】
本発明は上記の点に鑑みてなされたものであり、その目的とするところは、冷風と温風とを同時に吹き出すことができるのは勿論のこと、加えて全風量に対する冷風量の割合を設定して、適切な温度の冷風により確実に毛髪を固定できて、且つ確実に毛髪の過乾燥を防ぐことができるヘアドライヤを提供することにある。
【0007】
【課題を解決するための手段】
上記課題を解決するために本発明に係るヘアドライヤは、ハウジング2内部に風洞部10を設けると共に風洞部10の内部に内筒11を設けて二重筒構造を形成し、内筒11の内部を温風用流路4とすると共に内筒11と風洞部10との間に形成された空間を冷風用流路3とし、温風用流路4の途中にヒータ5を設け、冷風用流路3の下流側端部の開口をハウジング2の外部に向けて開口する冷風吹出口6とし、温風用流路4の下流側端部の開口を前記冷風吹出口6に隣接し且つ冷風吹出口6と略同一方向に開口する温風吹出口7とし、前記冷風用流路3及び温風用流路4よりも上流側に、ハウジング2外部に開口する外気吸込口8から外気を吸い込んで冷風用流路3及び温風用流路4の夫々に送り冷風吹出口6及び温風吹出口7の夫々から冷風及び温風を同時に吹き出すことで、ヘアドライヤ1から中心部が温風で且つ周囲部が冷風となった風を吹き出すファン9を設け、前記ファン9により温風と同時に冷風吹出口6から吹き出される冷風の風量を全体風量の20%以上に設定してなることを特徴とするものである。
【0008】
このようにファン9により温風と同時に吹き出される冷風の風量を全体風量の20%以上に設定することで、冷風吹出口6から吹き出された冷風が温風吹出口7から吹き出される温風に混じって暖められることを抑えることができ、この温風と冷風とを同時に吹き出したヘアドライヤ1を移動させて毛髪に温風及び冷風を交互に当てることで、適切な温度の冷風によって温風により癖付けされた毛髪を確実に固定したり、確実に毛髪の過乾燥を防ぎ毛髪の艶出しを行える。
【0009】
また請求項2は請求項1記載のヘアドライヤにおいて、上記内筒11の上流側端部の外周側面11aをテーパ状に形成してなることを特徴とするものである。
【0010】
このように内筒11の上流側端部の外周側面11aをテーパ状に形成することで、上流側から冷風用流路3へ空気が流入する部分での渦発生を抑制して冷風用流路3に効率良く空気を流せる構造とでき、これによってファン9で所定の風量を冷風用流路3及び温風用流路4の夫々に送った場合、ファン9を大型化する等して風量を増大させずとも目的とする風量を冷風用流路3の吹出口から吹き出すことができ、ヘアドライヤ1の小型化を実現できる。
【0011】
また請求項3は請求項1又は請求項2記載のヘアドライヤにおいて、上記冷風吹出口6及び温風吹出口7の夫々を被覆する格子部12、13を設け、冷風吹出口6を被覆する格子部12の各孔12aの大きさを、温風吹出口7を被覆する格子部13の各孔13aの大きさよりも大きく形成してなることを特徴とするものである。
【0012】
このようにように冷風吹出口6を被覆する格子部12の各孔12aを温風吹出口7の各孔13aよりも大きくすることで、各孔13aの小さい温風用格子部13aでは、ヒータ5を備えた温風用流路4へ塵やヘアピン等の小さい異物の混入を確実に抑えることができ、これにより異物の混入に伴なうショート等のヘアドライヤ1の動作不良を確実に防止でき、ヒータ5のような通電する部材が存在しない冷風用流路3を被覆する冷風用格子部12では、冷風用格子部12の各孔12aを大きくして冷風吹出口6での抵抗を少なくして効率良く空気を流せる構造とでき、ファン9等を大型化して風量を増さなくとも目的とする20%以上の冷風を風量を冷風吹出口6から吹き出すことができ、ヘアドライヤ1を小型化できる。
【0013】
また請求項4は請求項1〜3のいずれかに記載のヘアドライヤにおいて、上記内筒11よりも上流側にファン9を内装した整流筒14を設け、整流筒14の下流側端部を風洞部10側に向けて末広がり形状に形成し、整流筒14の下流側端部と内筒11の上流側端部との間に整流筒14と前記冷風用流路3とを連通させる隙間15を形成してなることを特徴とするものである。
【0014】
このように整流筒14の下流側端部を風洞部10側に向けて末広がり形状に形成しているので、整流筒14内の空気は整流筒14の下流側端部と内筒11の上流側端部との間に形成した隙間15から内筒11と風洞部10との間に形成された空間に流入しやすくなり、ファン9で所定の風量を冷風用流路3及び温風用流路4に送った場合、ファン9や、風洞部10等を大型化して風量を増さなくても目的とする風量を冷風用流路3の吹出口から吹き出すことができ、ヘアドライヤ1の小型化を実現できる。
【0015】
また請求項5は請求項1〜4のいずれかに記載のヘアドライヤにおいて、上記ハウジング2に冷風吹出口6より吹き出される冷風にマイナスイオンを放出するイオン放出部16を設けてなることを特徴とするものである。
【0016】
このようにイオン放出部16にてマイナスイオンを冷風吹出口6より吹き出される冷風に放出することで、マイナスイオンが温風により加熱され難く蒸散せず、これによりマイナスイオンによる毛髪の艶出し効果が向上する。
【0017】
【発明の実施の形態】
以下本発明を添付図面に示す実施形態に基づいて説明する。図1は本実施形態のヘアドライヤ1を示す側断面図、図2はヘアドライヤ1の全体斜視図である。ヘアドライヤ1は、後端部に後方に開口する外気吸込口8を有すると共に前端部に前方に開口する吐出口17を有する略筒状のハウジング2で装置本体の外殻を構成しており、ハウジング2は下流側に行くにつれてやや径が小さくなるように形成されている。またハウジング2の後部にはハウジング2と一体的にハンドル部18を下方に突設している。なお、図中19は電源供給用コードである。
【0018】
ハウジング2の内部には風洞部10を設けている。本例ではハンドル部18よりも前側に位置するハウジング2の内周面部を風洞部10としている。風洞部10の内部にはその中心線が風洞部10の中心線上に位置して且つその下流側端部の開口が吐出口17よりハウジング2外部に露出する円筒状の内筒11を設けてあり、内筒11と風洞部10とで二重筒構造が形成されている。本例の風洞部10は下流側に行くにつれて径が小さくなるように形成されているため、これに合わせて内筒11も下流側に行くにつれてやや径が小さくなるように形成されている。内筒11の下流側の端は風洞部10の下流側の端と送風方向において略同じ位置にあり、詳しくは風洞部10の下流側の端よりもやや上流側に凹没している。内筒11の上流側の端は風洞部10の上流側の端よりもやや下流側に位置しており、内筒11の上流側端部の外周側面11aは内筒11の外径が上流側に行くにつれて小さくなるようにテーパ状に形成されている。また内筒11の内部には後述するイオン発生部に高電圧を印加する高電圧発生部28と、ヒータ5とを設けている。
【0019】
本例では上記内筒11の内部を温風用流路4とし、内筒11と風洞部10との間に形成された空間を冷風用流路3としている。さらにはこの冷風用流路3の下流側端部である内筒11の下流側端部の開口を温風吹出口7とし、温風用流路4の下流側端部である内筒11と風洞部10との間に形成された空間の下流側端部の開口を冷風吹出口6としている。つまり、温風吹出口7は正面から見て中心部に配されており、冷風吹出口6は温風吹出口7の周辺部に配され、温風吹出口7は冷風吹出口6に隣接している。
【0020】
ハウジング2内部の後部、すなわち内筒11よりもやや上流側には、その中心線が内筒11の中心線の延長線上に位置し且つその上流側端部の開口14aが前記外気吸込口8に向かって開口する整流筒14を設けている。整流筒14の内径及び外径はその長手方向略全長に亘って同じであり、その外径は風洞部10の内径(詳しくは風洞部10の上流側端部の内径)よりも小さく、その内径は内筒11の外径(詳しくは内筒11の上流側端部の外径)と略同じである。また整流筒14の下流側端部は風洞部10側に向けて末広がり形状に形成している。この整流筒14の下流側端部である末広がり形状部分21は下流側に行くにつれて風洞部10側に位置するように略半円の円弧状に屈曲しており、その先端部は風洞部10の上流側端部の内周面に当接している。そしてこの整流筒14の下流側端部である末広がり形状部分21と内筒11の上流側端部との間には整流筒14内と冷風用流路3とを連通させる隙間15を形成している。
【0021】
上記整流筒14にはプロペラファンのような軸流型のファン9を内装している。このファン9はファン9の軸部の風裏側に配置したモータ22により回転駆動するものであって、同心円上に均一に風を流しやすい特徴を有している。該ファン9の軸芯は内筒11の中心線の延長線上にあり、またファン9の外径は風洞部10の内径よりも小さく、また内筒11の内径(詳しくは内筒11の上流側端部の内径)と略同じである。
【0022】
上記ハウジング1の吐出口17の内周面には図3(a)に示すような冷風吹出口6及び温風吹出口7を被覆する格子状部材33を設けている。格子状部材33は図3(a)に示すように吐出口6と略同一の円形状であり、その上流側の端面の一部は内筒11の下流側端面に近接している。格子状部材33は、温風吹出口7を被覆する中心部の温風用格子部13と、冷風吹出口6を被覆する周辺部の冷風用格子部12とからなり、この冷風用格子部12及び温風用格子部13は異物が各流路内に混入することを防止するためのものである。そしてこの冷風用格子部12の各孔12aの大きさは温風用格子部13の各孔13aの大きさよりも大きく形成されている。ここで図3(b)に示すように冷風用格子部12′と温風用格子部13′の各孔12a′、13a′の大きさを同じにするのではなく、図3(a)に示すように冷風用格子部12の各孔12aを温風用格子部13の各孔13aよりも大きくすることで、各孔13aの小さい温風用格子部13aでは、ヒータ5や高電圧発生部28を備えた温風用流路4へ塵やヘアピン等の小さい異物の混入を確実に抑えることができ、これにより異物の混入によるショート等のヘアドライヤ1の動作不良を確実に防止でき、且つヒータ5や高電圧発生部28の通電するものが存在しない冷風用流路3を被覆する冷風用格子部12では、冷風用格子部12の各孔12aを大きくして冷風吹出口6での抵抗を少なくして効率良く空気を流せる構造とでき、これによりヘアドライヤ1を小型化できる。

【0023】
またハウジング1には図2に示すイオン放出部16を設けている。イオン放出部16は、ハウジング1に設けたイオン用流路と、イオン用流路の途中に設けたマイナスイオンを発生するイオン発生部と、該イオン発生部により発生したイオンを吹き出すイオン用流路の下流側端部に形成されたイオン吹出口29とからなる。詳述すると、ハウジング1外周面の左右方向における両側には略半筒状部32を形成してあり、略半筒状部32の内部がイオン用流路となっている。略半筒状部32の前端開口は前述した冷風吹出口6側に向かって開口しており、この略半筒状部32の前端開口をイオン吹出口29としている。イオン用流路の上流側端部は冷風用流路3の途中に連通接続してある。すなわち本例のイオン放出部16は、冷風用流路3を流れる冷風の一部によりイオン発生部にて発生したマイナスイオンをイオン吹出口29より吹き出し、これにより冷風吹出口6より吹き出される冷風に向かってマイナスイオンを放出するものである。なおイオン放出部16としては上記冷風により吹き出されるものに限定されるものではなく、例えばイオン用流路を冷風用流路3に連通させず、イオン発生部で発生したマイナスイオンを冷風吹出口6から吹き出される冷風により誘引しても良いものとする。
【0024】
またハウジング2の前端部の外周面には、内側ノズル部23と、外側ノズル部24とで主体が構成された二重筒構造のノズル25を取り付けている。
【0025】
そして上記ファン9をモータ22により駆動して冷風吹出口6及び温風吹出口7の夫々から冷風及び温風を同時に吹き出した際には、吹き出される冷風の風量が、温風と冷風との風量を合わせた全体風量の20%以上となるように設定している。冷風の風量を20%以上と設定するには、外気吸込口8、風洞部10、内筒11、ノズル25、の径や形状、配置、ファン9の能力、流路抵抗等を設定することによって行われており、本例では冷風の風量を全体風量の20%以上と設定するに当たって、上記冷風吹出口6からの吐出面積を全体の吐出面積の30%、温風吹出口7からの吐出面積を全体吐出面積の70%としている。上記のように冷風風量を20%以上としたのは、仮に温風と同時に冷風を吹き出す際に、冷風の風量が全風量に対して20%よりも少ない場合には、冷風と温風とが混じって冷風が暖められてしまうことがあり、これにより冷風によって毛髪を固定できなかったり、また冷風によって毛髪の過乾燥を防ぐことができず毛髪が艶があるように見えなかったり、さらにはこのような過乾燥状態のぱさついた毛髪にイオンを当てたとしても艶が出難いという問題があるからである。
【0026】
上記ヘアドライヤ1にて吐出口17から冷風及び温風を同時に吹き出す場合は、図2に示すハンドル部18に設けた電源スイッチ26や、モード切換スイッチ27等の各種操作スイッチからなるハウジング2内の制御部に電気接続された操作部を使用者が操作する。操作部を操作することで制御部は上述したヒータ5、モータ22を駆動する。モータ22の駆動によりファン9が回転すると、外気吸込口8から整流筒14内にハウジング2外部の外気を吸い込み、整流筒14内に吸い込んだ空気を、冷風用流路3及び温風用流路4の夫々に送り、冷風用流路3ではヒータ5による加熱を行わずそのまま冷風吹出口6から冷風用格子部12を介して吹き出し、他方温風用流路4では該温風用流路4内のヒータ5により加熱された空気を温風吹出口7から温風用格子部13を介して前記冷風の吹き出しと同時に吹き出す。そしてこの冷風吹出口6及び温風吹出口部7の夫々から吹き出された冷風及び温風はノズル25を介して、ハウジング2の前方に吹き出される。
【0027】
この時、整流筒14の下流側端部は風洞部10側に向けて末広がり形状に形成してあるため、整流筒14内の空気は整流筒14の下流側端部と内筒11の上流側端部との間に形成した隙間15から内筒11と風洞部10との間に形成された空間(冷風用流路3)に流入しやすくでき、これによりファン9で所定の風量を冷風用流路3及び温風用流路4に送った場合、ファン9や、整流筒14、風洞部10等を大型化して風量を増さなくても目的とする風量を冷風用流路3に送って吹き出すことができ、ヘアドライヤ1を小型化できる。また、内筒11の上流側端部の外周側面11aをテーパ状に形成してあるため、整流筒14から冷風用流路3へ空気が流入する部分での渦発生を抑制して冷風用流路3側に効率良く空気を流せる構造とでき、これによってより一層ヘアドライヤ1を小型化できる。
【0028】
ところで温風用流路3はヒータ5や高電圧発生部28を内装しており流路面積を小さくすることが制限されているため、温風用流路4の流路面積は大きく風量を十分確保できるのだが、冷風用流路3の流路面積を大きくするとヘアドライヤ1が大型化してしまい、また逆に冷風用流路3の流路面積を小さくすると冷風吹出口6から吐出される冷風の風量を確保できないという問題が生じてしまう。そこで本例では上記のように整流筒14の下流側端部を末広がり形状としたり、内筒11の上流側端部の外側面をテーパ形状にして、温風用流路4ではなく冷風用流路3の空気を流れやすいようにすることで、風洞部10の内径(すなわち冷風用流路3の流路面積)を小さくしてより一層ヘアドライヤ1を小型化でき、しかも冷風用流路3の流路面積を小さくしたにも関わらず冷風用流路3の目的とする風量を確保できる。
【0029】
このように吹き出された冷風の風量は前述のように全体風量の20%以上に設定してあるため、冷風が温風に混じって暖められることを抑えることができ、この温風と冷風とを同時に吹き出したヘアドライヤ1を移動させて毛髪に温風及び冷風を交互に当てることで、適切な温度の冷風により毛髪を確実に固定でき、また毛髪の過乾燥を確実に防いで毛髪の艶を出すことができ、しかもこれにより後述するマイナスイオンによる毛髪の艶出し効果も向上する。
【0030】
また本実施形態では操作部を操作することで、上記冷風及び温風を同時に吹き出している時に、前述したイオン放出部16により、上記の温風及び冷風の吹き出しと同時にマイナスイオンをイオン吹出口29から冷風吹出口6より吹き出される冷風に向かって放出させることができるようになっている。ここでマイナスイオンを温風に向かって放出するのではなく、冷風に向かって放出しているのは以下の理由による。すなわち温風に向かってマイナスイオンを放出した場合、マイナスイオンに含まれる水分子が加熱されてしまい、毛髪に当ててもすぐに蒸散してしまい、結果、マイナスイオンによる毛髪の艶出し効果が小さいという問題が生じるのだが、本例ではイオン放出部16にてマイナスイオンを冷風吹出口6より吹き出される冷風に放出しているため、マイナスイオンが温風により加熱され難くて蒸散せず、艶出し効果が向上するのである。
【0032】
また上記ヘアドライヤ1に前述した、冷風及び温風を同時に吹き出すモードや、冷風及び温風に加えてマイナスイオンを放出するモード、に加えて、ヒータ5のON/OFF、モータ22のON/OFF、イオン発生部のON/OFFを自動的に設定された値に切り換えるその他のモードを有していても良く、すなわち上記ヘアドライヤ1は少なくとも上記の温冷風を同時に吹き出しモード又は冷風及び温風に加えてマイナスイオンを噴出するモードを有していれば良いものとする。
【0033】
【発明の効果】
以上説明したように本発明では適切な温度の冷風により確実に毛髪を固定できて、且つ確実に毛髪の過乾燥を防いで毛髪の艶出しを行える。
【図面の簡単な説明】
【図1】本発明の実施形態の一例を示すヘアドライヤの側断面図である。
【図2】同上の全体斜視図である。
【図3】(a)は同上の格子状部材の正面図であり、(b)は(a)とは異なる格子状部材の正面図である。
【図4】従来のヘアドライヤの一例を示す側断面図である。
【符号の説明】
1 ヘアドライヤ
2 ハウジング
3 冷風用流路
4 温風用流路
5 ヒータ
6 冷風吹出口
7 温風吹出口
8 外気吸込口
9 ファン
10 風洞部
11 内筒
11a 内筒の上流側端部の外周側面
12 冷風用格子部
12a 孔
13 温風用格子部
13a 孔
14 整流筒
15 隙間
16 イオン放出部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hair dryer that can blow hot air and cold air simultaneously.
[0002]
[Prior art]
Conventional hair dryers have been used for laying hair that stretches bedclothes or curls hair by applying warm air to the hair. By the way, when only hot air generated by a hair dryer is applied to the hair, it is possible to cut the hydrogen bond and heat the hair temporarily with the heat of the hot air. In order to sufficiently fix the hair, it is necessary to apply hydrogen bonding to the hair heated by warm air by applying cold air to the hair. In addition, if only hot air is applied to the hair, the hair will be over-dried, and the hair will become clumsy and uncohered, and when it hits the light, it does not appear to be diffusely reflected and glossy. It is also necessary to apply cold air to the hair. Although it is possible to apply cold air to hair heated with warm air by switching the switch from warm air to cold air using the conventional hair dryer, cold air is not blown out quickly due to preheating of the heater that creates the warm air. It takes time, and switching between hot and cold air by a switch is troublesome.
[0003]
In recent years, a hair dryer 1 that blows out hot air and cold air as shown in FIG. A wind tunnel portion 10 is provided in the housing 2 of the hair dryer 1 shown in FIG. 4, and an inner cylinder 11 is provided in the wind tunnel portion 10. A heater 5 is housed inside the inner cylinder 11, and a fan 9 is provided upstream of the inner cylinder 11. A downstream end portion of the wind tunnel portion 10 opens to the outside of the housing 1, and an outside air inlet 8 is formed at the upstream end portion of the housing 1. When the hair dryer 1 is used, the fan 9 is rotationally driven by the motor 22. As a result, outside air is sucked from the outside air suction port 8, and this sucked air is sent to the inside of the inner cylinder 11 and the space between the inner cylinder 11 and the wind tunnel part 10, and the downstream end of the inner cylinder 11 The warm air is blown out from the opening and the cool air is blown out from the opening at the downstream end of the space between the inner cylinder 11 and the wind tunnel portion 10. And the hair dryer 1 which blown out warm air and cold air simultaneously in this way was moved, and hot air and cold air were alternately applied to hair (for example, patent document 1).
[0004]
However, none of the conventional hair dryers and the hair dryers shown in Patent Document 1 disclose the ratio of the cold air amount to the total air amount.
[0005]
[Patent Document 1]
Japanese Utility Model Publication No. 57-166808 [0006]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and the object of the present invention is to set the ratio of the cool air amount to the total air amount as well as the ability to blow out cool air and hot air at the same time. Then, it is providing the hair dryer which can fix hair reliably with the cold air of appropriate temperature, and can prevent overdrying of hair reliably.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, a hair dryer according to the present invention is provided with a wind tunnel part 10 inside the housing 2 and an inner cylinder 11 inside the wind tunnel part 10 to form a double cylinder structure. A space formed between the inner cylinder 11 and the wind tunnel portion 10 as a hot air flow path 4 is used as a cold air flow path 3, and a heater 5 is provided in the middle of the hot air flow path 4, and the cold air flow path is provided. 3 is the cold air outlet 6 that opens toward the outside of the housing 2, and the downstream end opening of the hot air flow path 4 is adjacent to the cold air outlet 6 and the cold air outlet. 6 is used as a warm air outlet 7 that opens in substantially the same direction as 6, and is used to cool air by sucking outside air from an outside air inlet 8 that opens to the outside of the housing 2 on the upstream side of the cool air channel 3 and the warm air channel 4. channel 3 and sent to people hot wind passage 4 respectively, or each of the cold air outlet 6 and warm air blowing port 7 By blowing cool air and warm air simultaneously, a fan 9 for blowing wind perimeter and becomes cold air at the center is hot air from the hair dryer 1 is provided, blown from the warm air at the same time cold air outlet 6 by the fan 9 The air volume of the cool air is set to 20% or more of the total air volume.
[0008]
In this way, by setting the air volume of the cool air blown out simultaneously with the hot air by the fan 9 to 20% or more of the total air volume, the cool air blown out from the cold air outlet 6 is changed into the hot air blown out from the hot air outlet 7. Mixing and warming can be suppressed, and by moving the hair dryer 1 that blows out the warm air and cold air at the same time and alternately applying hot air and cold air to the hair, The attached hair can be securely fixed, and the hair can be surely prevented from being overdried and polished.
[0009]
The second aspect is characterized in that the hair dryer of claim 1, comprising an outer peripheral side surface 11a of the upstream end of the inner cylinder 11 is tapered.
[0010]
Thus, by forming the outer peripheral side surface 11a at the upstream end of the inner cylinder 11 in a tapered shape, the vortex generation at the portion where air flows from the upstream side to the cool air flow channel 3 is suppressed, and the cool air flow channel 3 so that air can be efficiently flowed, and when a predetermined air volume is sent to each of the cool air flow path 3 and the hot air flow path 4 by the fan 9, the air flow can be reduced by enlarging the fan 9 or the like. The target air volume can be blown out from the outlet of the cool air flow path 3 without increasing the size, and the hair dryer 1 can be downsized.
[0011]
According to a third aspect of the present invention, in the hair dryer according to the first or second aspect, the lattice portions 12 and 13 are provided so as to cover the cold air outlet 6 and the hot air outlet 7, respectively, and the lattice portion 12 that covers the cold air outlet 6 is provided. The size of each hole 12a is formed larger than the size of each hole 13a of the lattice portion 13 covering the hot air outlet 7.
[0012]
Thus, by making each hole 12a of the grating | lattice part 12 which coat | covers the cold air blower outlet 6 larger than each hole 13a of the warm air blower outlet 7, in the grid | lattice part 13a for hot air with small each hole 13a, the heater 5 It is possible to reliably suppress the entry of small foreign substances such as dust and hairpins into the hot air flow path 4 equipped with this, thereby reliably preventing malfunction of the hair dryer 1 such as a short circuit due to the contamination of foreign substances, In the cool air grid portion 12 that covers the cool air flow path 3 in which no member to be energized such as the heater 5 is present, each hole 12a of the cool air grid portion 12 is enlarged to reduce the resistance at the cold air outlet 6. Even if the fan 9 and the like are enlarged and the air volume is not increased to increase the air volume, the target 20% or more of the cool air can be blown out from the cold air outlet 6 and the hair dryer 1 can be downsized.
[0013]
The claim 4 in hair dryer according to any one of claims 1 to 3, a gas flow-guide cylinder 14 which is interior fan 9 on the upstream side of the inner cylinder 11 is provided, the air channel portion of the downstream end of the gas flow-guide cylinder 14 A gap 15 is formed between the downstream end of the rectifying cylinder 14 and the upstream end of the inner cylinder 11 so that the rectifying cylinder 14 and the cold air flow path 3 communicate with each other. It is characterized by being formed.
[0014]
Thus, since the downstream end of the rectifying cylinder 14 is formed in a divergent shape toward the wind tunnel 10, the air in the rectifying cylinder 14 flows into the downstream end of the rectifying cylinder 14 and the upstream side of the inner cylinder 11. It becomes easy to flow into the space formed between the inner cylinder 11 and the wind tunnel portion 10 from the gap 15 formed between the end portion, and a predetermined amount of air is supplied by the fan 9 to the cool air flow channel 3 and the hot air flow channel. 4, it is possible to blow out the target air volume from the outlet of the cool air flow path 3 without increasing the air volume by increasing the size of the fan 9, the wind tunnel portion 10, etc., and reducing the size of the hair dryer 1. realizable.
[0015]
According to a fifth aspect of the present invention, in the hair dryer according to any one of the first to fourth aspects, the housing 2 is provided with an ion release portion 16 that discharges negative ions to the cold air blown from the cold air outlet 6. To do.
[0016]
By discharging negative ions to the cold air blown out from the cold air outlet 6 at the ion discharge part 16 in this way, the negative ions are not easily heated by the hot air and do not evaporate. Will improve.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below based on embodiments shown in the accompanying drawings. FIG. 1 is a side sectional view showing a hair dryer 1 according to this embodiment, and FIG. 2 is an overall perspective view of the hair dryer 1. The hair dryer 1 comprises an outer shell of the apparatus body with a substantially cylindrical housing 2 having an outdoor air suction port 8 that opens rearward at the rear end and a discharge port 17 that opens forward at the front end. 2 is formed so that the diameter becomes slightly smaller toward the downstream side. Further, a handle portion 18 projects downward from the rear portion of the housing 2 integrally with the housing 2. In the figure, reference numeral 19 denotes a power supply cord.
[0018]
A wind tunnel portion 10 is provided inside the housing 2. In this example, the inner peripheral surface portion of the housing 2 located in front of the handle portion 18 is used as the wind tunnel portion 10. Inside the wind tunnel portion 10 is provided a cylindrical inner cylinder 11 whose center line is located on the center line of the wind tunnel portion 10 and whose downstream end opening is exposed to the outside of the housing 2 from the discharge port 17. The inner cylinder 11 and the wind tunnel portion 10 form a double cylinder structure. Since the wind tunnel portion 10 of this example is formed so that the diameter becomes smaller toward the downstream side, the inner cylinder 11 is also formed so that the diameter becomes slightly smaller toward the downstream side accordingly. The downstream end of the inner cylinder 11 is substantially in the same position as the downstream end of the wind tunnel portion 10 in the air blowing direction, and more specifically, is recessed slightly upstream from the downstream end of the wind tunnel portion 10. The upstream end of the inner cylinder 11 is located slightly downstream of the upstream end of the wind tunnel portion 10, and the outer peripheral side surface 11 a of the upstream end of the inner cylinder 11 has an outer diameter of the inner cylinder 11 upstream. It is formed in a tapered shape so as to become smaller as it goes to. In addition, a high voltage generator 28 for applying a high voltage to an ion generator, which will be described later, and a heater 5 are provided inside the inner cylinder 11.
[0019]
In this example, the inside of the inner cylinder 11 is a hot air flow path 4, and the space formed between the inner cylinder 11 and the wind tunnel portion 10 is a cold air flow path 3. Further, the opening at the downstream end of the inner cylinder 11 that is the downstream end of the cold air flow path 3 is used as a hot air outlet 7, and the inner cylinder 11 that is the downstream end of the hot air flow path 4 is connected to the wind tunnel. The opening at the downstream end of the space formed with the portion 10 is used as the cold air outlet 6. That is, the hot air outlet 7 is disposed in the center as viewed from the front, the cold air outlet 6 is disposed in the periphery of the hot air outlet 7, and the hot air outlet 7 is adjacent to the cold air outlet 6.
[0020]
In the rear part of the housing 2, that is, slightly upstream from the inner cylinder 11, the center line is located on the extension line of the center line of the inner cylinder 11, and the opening 14 a at the upstream end is provided in the outside air inlet 8. A rectifying cylinder 14 is provided that opens toward the front. The inner diameter and outer diameter of the rectifying cylinder 14 are the same over substantially the entire length in the longitudinal direction, and the outer diameter is smaller than the inner diameter of the wind tunnel portion 10 (specifically, the inner diameter of the upstream end portion of the wind tunnel portion 10). Is substantially the same as the outer diameter of the inner cylinder 11 (specifically, the outer diameter of the upstream end of the inner cylinder 11). Further, the downstream end portion of the rectifying cylinder 14 is formed in a shape that widens toward the wind tunnel portion 10 side. The divergent shape portion 21, which is the downstream end portion of the rectifying cylinder 14, is bent in a substantially semicircular arc shape so as to be located on the wind tunnel portion 10 side toward the downstream side, and the tip portion thereof is the wind tunnel portion 10. It is in contact with the inner peripheral surface of the upstream end. A gap 15 is formed between the diverging shape portion 21 that is the downstream end of the rectifying cylinder 14 and the upstream end of the inner cylinder 11 so as to communicate the inside of the rectifying cylinder 14 with the cool air flow passage 3. Yes.
[0021]
The flow straightening cylinder 14 includes an axial flow type fan 9 such as a propeller fan. The fan 9 is rotationally driven by a motor 22 disposed on the windward side of the shaft portion of the fan 9, and has a characteristic that it is easy to allow the air to flow uniformly on a concentric circle. The axis of the fan 9 is on an extension of the center line of the inner cylinder 11, the outer diameter of the fan 9 is smaller than the inner diameter of the wind tunnel portion 10, and the inner diameter of the inner cylinder 11 (specifically, the upstream side of the inner cylinder 11). It is substantially the same as the inner diameter of the end.
[0022]
A lattice-like member 33 that covers the cold air outlet 6 and the hot air outlet 7 as shown in FIG. As shown in FIG. 3A, the lattice-like member 33 has a circular shape that is substantially the same as that of the discharge port 6, and a part of the upstream end face is close to the downstream end face of the inner cylinder 11. The lattice-shaped member 33 includes a hot air lattice portion 13 at a center portion that covers the hot air outlet 7 and a cold air lattice portion 12 at a peripheral portion that covers the cold air outlet 6. The hot air grid portion 13 is for preventing foreign matter from being mixed into each flow path. The size of each hole 12a of the cold air lattice portion 12 is formed larger than the size of each hole 13a of the hot air lattice portion 13. Here, as shown in FIG. 3 (b), the sizes of the holes 12a 'and 13a' of the cold air grid portion 12 'and the hot air grid portion 13' are not made the same. As shown in the figure, by making each hole 12a of the cool air grid portion 12 larger than each hole 13a of the hot air grid portion 13, in the hot air grid portion 13a having a small hole 13a, the heater 5 and the high voltage generator It is possible to surely suppress the entry of small foreign matters such as dust and hairpins into the hot air flow path 4 provided with 28, thereby reliably preventing malfunction of the hair dryer 1 such as a short circuit due to the inclusion of foreign matters, and the heater. 5 and the cool air grid portion 12 that covers the cool air flow passage 3 where there is no current to be passed through the high voltage generator 28, the holes 12a of the cool air lattice portion 12 are enlarged to reduce the resistance at the cold air outlet 6. A structure that can efficiently flow air with less, The hair dryer 1 can be miniaturized.
.
[0023]
Further, the housing 1 is provided with an ion emitting portion 16 shown in FIG. The ion emission unit 16 includes an ion channel provided in the housing 1, an ion generation unit that generates negative ions provided in the middle of the ion channel, and an ion channel that blows out ions generated by the ion generation unit. The ion blower outlet 29 is formed at the downstream end portion. More specifically, a substantially semi-cylindrical portion 32 is formed on both sides of the outer peripheral surface of the housing 1 in the left-right direction, and the inside of the substantially semi-cylindrical portion 32 is a channel for ions. The front end opening of the substantially semi-cylindrical portion 32 opens toward the cold air outlet 6 described above, and the front end opening of the substantially semi-cylindrical portion 32 is used as the ion outlet 29. The upstream end of the ion channel is connected in communication with the cool air channel 3. That is, the ion emission part 16 of this example blows out the negative ion which generate | occur | produced in the ion generation part by a part of cold air which flows through the flow path 3 for cold air from the ion blower outlet 29, and, thereby, the cold wind which blows off from the cold wind blower outlet 6 It emits negative ions toward. The ion emission part 16 is not limited to the one blown out by the cold air. For example, the ion flow path is not communicated with the cold air flow path 3, and negative ions generated in the ion generation part are discharged from the cold air blow-out opening. It may be attracted by cold air blown out from No. 6.
[0024]
In addition, a double-cylinder structure nozzle 25 mainly composed of an inner nozzle portion 23 and an outer nozzle portion 24 is attached to the outer peripheral surface of the front end portion of the housing 2.
[0025]
When the fan 9 is driven by the motor 22 and the cold air and the hot air are blown out simultaneously from the cold air outlet 6 and the hot air outlet 7, the amount of the cold air blown out is the air volume of the hot air and the cold air. Is set to be 20% or more of the total air volume. In order to set the air volume of the cold air to 20% or more, by setting the diameter and shape of the outside air inlet 8, the wind tunnel portion 10, the inner cylinder 11, the nozzle 25, the ability of the fan 9, the flow resistance, etc. In this example, when the air volume of the cold air is set to 20% or more of the total air volume, the discharge area from the cold air outlet 6 is set to 30% of the entire discharge area, and the discharge area from the hot air outlet 7 is set as follows. The total discharge area is 70%. As described above, the amount of the cold air is set to 20% or more. If the amount of the cold air is less than 20% of the total air amount when the cold air is blown out simultaneously with the hot air, the cold air and the hot air The cold air may be warmed by mixing, and this prevents the hair from being fixed by the cold air, the over-drying of the hair by the cold air cannot be prevented, and the hair does not appear shiny. This is because even if ions are applied to such over-dried, crushed hair, there is a problem that gloss does not easily appear.
[0026]
When the hair dryer 1 simultaneously blows out cold air and hot air from the discharge port 17, the control in the housing 2 including various operation switches such as a power switch 26 and a mode switch 27 provided in the handle portion 18 shown in FIG. A user operates an operation unit electrically connected to the unit. By operating the operation unit, the control unit drives the heater 5 and the motor 22 described above. When the fan 9 is rotated by driving the motor 22, the outside air outside the housing 2 is sucked into the rectifying cylinder 14 from the outside air suction port 8, and the air sucked into the rectifying cylinder 14 is used as the cool air flow path 3 and the hot air flow path. 4, the cool air flow path 3 is not heated by the heater 5, and is directly blown out from the cool air blow-out opening 6 through the cool air lattice portion 12, while the hot air flow path 4 is the hot air flow path 4. The air heated by the inner heater 5 is blown out simultaneously with the blowing of the cold air from the hot air outlet 7 through the hot air grid 13. The cold air and the hot air blown out from the cold air outlet 6 and the hot air outlet 7 are blown out forward of the housing 2 through the nozzle 25.
[0027]
At this time, the downstream end of the rectifying cylinder 14 is formed in a divergent shape toward the wind tunnel 10, so that the air in the rectifying cylinder 14 is upstream of the downstream end of the rectifying cylinder 14 and the inner cylinder 11. It is easy to flow into the space (cool air flow passage 3) formed between the inner cylinder 11 and the wind tunnel portion 10 from the gap 15 formed between the end portion, and thereby the fan 9 uses a predetermined amount of air for the cold air. When the air flow is sent to the flow path 3 and the hot air flow path 4, the desired air volume is sent to the cool air flow path 3 without increasing the air volume by increasing the size of the fan 9, the rectifying cylinder 14, the wind tunnel portion 10, etc. The hair dryer 1 can be miniaturized. Further, since the outer peripheral side surface 11a at the upstream end portion of the inner cylinder 11 is formed in a taper shape, vortex generation is suppressed at a portion where air flows from the rectifying cylinder 14 to the cool air flow path 3, and the flow for cold air is reduced. It can be set as the structure which can flow air to the path 3 side efficiently, and the hair dryer 1 can be further reduced in size by this.
[0028]
By the way, since the flow path 3 for hot air is equipped with the heater 5 and the high voltage generation part 28 and it is restrict | limited that the flow path area is made small, the flow path area of the flow path 4 for hot air is large, and air volume is enough. However, if the flow area of the cool air flow path 3 is increased, the hair dryer 1 becomes larger. Conversely, if the flow area of the cool air flow path 3 is reduced, the cold air discharged from the cold air outlet 6 is reduced. There arises a problem that the air volume cannot be secured. Therefore, in this example, as described above, the downstream end of the rectifying cylinder 14 has a divergent shape, or the outer surface of the upstream end of the inner cylinder 11 has a tapered shape, so that the flow for cold air instead of the hot air flow path 4 is used. By making the air in the passage 3 easy to flow, the inner diameter of the wind tunnel portion 10 (that is, the flow passage area of the cool air flow passage 3) can be reduced, and the hair dryer 1 can be further downsized. Although the flow path area is reduced, the target air volume of the cool air flow path 3 can be secured.
[0029]
Since the air volume of the cool air blown out in this way is set to 20% or more of the total air volume as described above, it is possible to suppress the warm air from being mixed with the warm air. At the same time, the hair dryer 1 that has been blown out is moved to alternately apply hot air and cold air to the hair, so that the hair can be securely fixed by cold air at an appropriate temperature, and the hair is glossed by reliably preventing overdrying of the hair. In addition, the effect of glazing hair with negative ions, which will be described later, is also improved.
[0030]
Further, in the present embodiment, by operating the operation unit, when the cold air and the hot air are blown out simultaneously, the above-described ion emission unit 16 causes the ion blowout port 29 to discharge negative ions simultaneously with the hot air and the cold air. Can be discharged toward the cold air blown out from the cold air outlet 6. Here, the negative ions are not emitted toward the hot air but are emitted toward the cold air for the following reason. In other words, when negative ions are released toward the warm air, water molecules contained in the negative ions are heated and evaporated immediately even when applied to the hair. As a result, the effect of polishing the hair by the negative ions is small. However, in this example, since the negative ions are released to the cold air blown from the cold air outlet 6 by the ion emission unit 16, the negative ions are not easily heated by the hot air and are not evaporated. The effect of taking out is improved.
[0032]
Further, in addition to the mode in which cold air and hot air are simultaneously blown out to the hair dryer 1 and the mode in which negative ions are released in addition to the cold air and hot air, the heater 5 is turned ON / OFF, the motor 22 is turned ON / OFF, It may have other modes that automatically switch ON / OFF of the ion generating unit to a set value, that is, the hair dryer 1 applies at least the warm air to the blowing mode or the cool air and the warm air at the same time. It is only necessary to have a mode for ejecting negative ions.
[0033]
【The invention's effect】
As described above, in the present invention, the hair can be reliably fixed by the cold air at an appropriate temperature, and the hair can be glossed by reliably preventing overdrying of the hair.
[Brief description of the drawings]
FIG. 1 is a side sectional view of a hair dryer showing an example of an embodiment of the present invention.
FIG. 2 is an overall perspective view of the same.
FIG. 3A is a front view of the same grid-like member, and FIG. 3B is a front view of a grid-like member different from FIG.
FIG. 4 is a side sectional view showing an example of a conventional hair dryer.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hair dryer 2 Housing 3 Flow path for cold air 4 Flow path for hot air 5 Heater 6 Cold air outlet 7 Hot air outlet 8 Outside air inlet 9 Fan 10 Wind tunnel part 11 Inner cylinder 11a Outer peripheral side surface 12 of the upstream end of the inner cylinder Lattice portion 12a hole 13 Hot air lattice portion 13a hole 14 Rectifier cylinder 15 Gap 16 Ion release portion

Claims (5)

ハウジング内部に風洞部を設けると共に風洞部の内部に内筒を設けて二重筒構造を形成し、内筒の内部を温風用流路とすると共に内筒と風洞部との間に形成された空間を冷風用流路とし、温風用流路の途中にヒータを設け、冷風用流路の下流側端部の開口をハウジングの外部に向けて開口する冷風吹出口とし、温風用流路の下流側端部の開口を前記冷風吹出口に隣接し且つ冷風吹出口と略同一方向に開口する温風吹出口とし、前記冷風用流路及び温風用流路よりも上流側に、ハウジング外部に開口する外気吸込口から外気を吸い込んで冷風用流路及び温風用流路の夫々に送り冷風吹出口及び温風吹出口の夫々から冷風及び温風を同時に吹き出すことで、ヘアドライヤから中心部が温風で且つ周囲部が冷風となった風を吹き出すファンを設け、前記ファンにより温風と同時に冷風吹出口から吹き出される冷風の風量を全体風量の20%以上に設定してなることを特徴とするヘアドライヤ。A wind tunnel is provided inside the housing and an inner cylinder is provided inside the wind tunnel to form a double cylinder structure. The inner cylinder is formed between the inner cylinder and the wind tunnel as a hot air flow path. The cool air flow path is provided with a heater in the middle of the hot air flow path, and the cold air outlet opening the downstream end of the cold air flow path toward the outside of the housing. An opening at the downstream end of the passage is a hot air outlet that is adjacent to the cold air outlet and opens in substantially the same direction as the cold air outlet, and the housing is located upstream of the cold air channel and the hot air channel. The outside air is sucked from the outside air inlet opening to the outside and sent to each of the cold air flow channel and the hot air flow channel, and the cold air and the hot air are blown out simultaneously from each of the cold air outlet and the hot air outlet, so that the hair dryer part is provided a fan for blowing wind around portion and becomes cool air with warm air Hair dryer, characterized by comprising setting the air volume of the cool air blown from the same time cold air outlet and warm-air by the fan to more than 20% of the total air volume. 上記内筒の上流側端部の外周側面をテーパ状に形成してなることを特徴とする請求項1記載のヘアドライヤ。 The hair dryer according to claim 1, wherein the outer peripheral side surface of the upstream end portion of the inner cylinder is formed in a tapered shape. 上記冷風吹出口及び温風吹出口の夫々を被覆する格子部を設け、冷風吹出口を被覆する格子部の各孔の大きさを、温風吹出口を被覆する格子部の各孔の大きさよりも大きく形成してなることを特徴とする請求項1又は請求項2記載のヘアドライヤ。  A grid portion that covers each of the cold air outlet and the hot air outlet is provided, and the size of each hole of the lattice portion that covers the cold air outlet is larger than the size of each hole of the lattice portion that covers the hot air outlet. The hair dryer according to claim 1 or 2, wherein the hair dryer is formed. 上記内筒よりも上流側にファンを内装した整流筒を設け、整流筒の下流側端部を風洞部側に向けて末広がり形状に形成し、整流筒の下流側端部と内筒の上流側端部との間に整流筒と前記冷風用流路とを連通させる隙間を形成してなることを特徴とする請求項1〜3のいずれかに記載のヘアドライヤ。The gas flow-guide cylinder was furnished a fan upstream provided than the inner cylinder, the downstream end of the gas flow-guide cylinder formed in a divergent shape toward the wind tunnel portion side, the upstream side of the downstream end and the inner tube of the flow-guide cylinder The hair dryer according to any one of claims 1 to 3, wherein a gap is formed between the end portion to communicate the flow straightening tube and the cold air flow path . 上記ハウジングに冷風吹出口より吹き出される冷風にマイナスイオンを放出するイオン放出部を設けてなることを特徴とする請求項1〜4のいずれかに記載のヘアドライヤ。  The hair dryer according to any one of claims 1 to 4, wherein the housing is provided with an ion release part that discharges negative ions to the cold air blown from the cold air outlet.
JP2003159992A 2003-06-04 2003-06-04 Hair dryer Expired - Fee Related JP4085892B2 (en)

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JP5495253B2 (en) * 2009-07-14 2014-05-21 日立マクセル株式会社 Hair dryer
JP2012196365A (en) * 2011-03-23 2012-10-18 Panasonic Corp Hair dryer
GB201205699D0 (en) * 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
CN108175169A (en) * 2018-02-26 2018-06-19 深圳科利电器有限公司 A kind of hair-dryer of inhalable moisture content
CN109820320A (en) * 2019-03-06 2019-05-31 凯灿贸易(深圳)有限公司 Hair dryer
CN111772317B (en) * 2020-07-03 2023-05-12 美国华尔推剪公司 Hair drier
CN111990752B (en) * 2020-09-22 2022-09-13 浙江海洋大学 Scald-proof hair drier
CN114209141B (en) * 2021-01-21 2023-09-22 杭州乐秀电子科技有限公司 Low-loss hurricane duct

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