JP2009045208A - Electrostatic atomizer and hair dryer having the same - Google Patents

Electrostatic atomizer and hair dryer having the same Download PDF

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JP2009045208A
JP2009045208A JP2007213675A JP2007213675A JP2009045208A JP 2009045208 A JP2009045208 A JP 2009045208A JP 2007213675 A JP2007213675 A JP 2007213675A JP 2007213675 A JP2007213675 A JP 2007213675A JP 2009045208 A JP2009045208 A JP 2009045208A
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discharge electrode
electrostatic atomizer
electrode
discharge
shielding member
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JP4862779B2 (en
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Hidetoshi Nakasone
英俊 仲宗根
Shinjiro Seto
慎二郎 世戸
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Priority to JP2007213675A priority Critical patent/JP4862779B2/en
Priority to PCT/JP2008/064454 priority patent/WO2009025204A1/en
Priority to CN2008801026887A priority patent/CN101778581B/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
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/057—Arrangements for discharging liquids or other fluent material without using a gun or nozzle

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  • Electrostatic Spraying Apparatus (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To increase a forward discharge rate of generated mist A. <P>SOLUTION: This electrostatic atomizer is provided with a discharge electrode 2 where a high pressure is applied, a counter electrode 3 grounded via a ground line 4, positioned in front of the discharge electrode 2 and opposed to the discharge electrode 2, and a water supply means 6 for supplying water onto the discharge electrode 2; and atomizes the water on the discharge electrode by discharge; wherein a cylindrical shield member 11 consisting of a material having conductivity lower than that of the discharge electrode 2 is disposed in the front side of the root side of the discharge electrode 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、静電霧化装置、殊にナノメータサイズの帯電微粒子水（ミスト）を発生させる静電霧化装置とこれを備えたヘアドライヤーに関するものである。   The present invention relates to an electrostatic atomizer, in particular, an electrostatic atomizer that generates nanometer-sized charged fine particle water (mist), and a hair dryer provided with the electrostatic atomizer.

水が供給される放電電極と対向電極との間に高電圧を印加して放電させ、放電電極が保持している水にレイリー***を生じさせて霧化させることによってナノメータサイズの帯電微粒子水（ミスト）を発生させる静電霧化装置がある。この静電霧化装置で生成されたミストはラジカルを含んでいるとともに長寿命であって、空間内への拡散を大量に行うことができ、室内の壁面や衣服やカーテンなどに付着した悪臭成分などに効果的に作用して無臭化することができるほか、毛髪や人体の肌に対して供給した場合、保湿性を高めることができるといった特性を備えており、このために、上記静電霧化装置を組み込んだヘアドライヤーなども提供されている。   Discharge by applying a high voltage between the discharge electrode to which water is supplied and the counter electrode, causing the Rayleigh splitting of the water held by the discharge electrode to atomize the nanometer-sized charged fine particle water ( There is an electrostatic atomizer that generates mist. The mist generated by this electrostatic atomizer contains radicals and has a long life, can diffuse a large amount into the space, and is a bad odor component attached to indoor walls, clothes, curtains, etc. In addition to being able to act effectively, etc., it can be made non-brominated, and when it is supplied to the skin of the hair or the human body, it has the property of improving moisture retention. There are also hair dryers that incorporate a device.

また、上記放電電極上への水の供給を、放電電極を冷却することで空気中の水分を放電電極上で結露させることで行うものも提供されている。図７はこの場合の一例を示しており、針状に形成された放電電極２と対向電極３とに高圧電源部５が接続されている。また、放電電極２の基端側には対の回路板６ｂ，６ｄ間に熱電素子６ｃを配するとともに絶縁板６ａを備えたペルチェモジュール６が熱的に接続されており、ペルチェモジュール６の他方の回路板６ｄの外面側には放熱フィン７が接続されている。   In addition, there is also provided a system in which water is supplied onto the discharge electrode by causing the moisture in the air to condense on the discharge electrode by cooling the discharge electrode. FIG. 7 shows an example of this case, and a high-voltage power supply unit 5 is connected to a discharge electrode 2 and a counter electrode 3 formed in a needle shape. Further, a Peltier module 6 provided with a thermoelectric element 6c between the pair of circuit boards 6b and 6d and provided with an insulating plate 6a is thermally connected to the base end side of the discharge electrode 2, and the other side of the Peltier module 6 is The heat radiating fins 7 are connected to the outer surface side of the circuit board 6d.

ペルチェモジュール６で放電電極２を冷却することで上述のように空気中の水分を結露させて放電電極２上に結露水を生成し、この結露水を放電電極２と対向電極３との間の放電によって静電霧化させてナノメータサイズの静電微粒子水（ミスト）Ｍを発生させている。   By cooling the discharge electrode 2 with the Peltier module 6, moisture in the air is condensed as described above to generate condensed water on the discharge electrode 2, and this condensed water is transferred between the discharge electrode 2 and the counter electrode 3. Electrostatic atomization is performed by discharge to generate nanometer-sized electrostatic fine particle water (mist) M.

ところで発生させたミストＭは、リング状に形成した対向電極３の中央を通って図中の白抜き矢印で示す前方に吐出させたいのであるが、上記放電電極２に例えば−５ｋＶの負電圧を印加し、対向電極２をグランド線４で接地している時、グランド線４は放電電極２の側方を通って後方へと引き回されている。   By the way, the generated mist M wants to be discharged forward through the center of the counter electrode 3 formed in a ring shape, as indicated by the white arrow in the figure. For example, a negative voltage of −5 kV is applied to the discharge electrode 2. When the counter electrode 2 is grounded by the ground wire 4, the ground wire 4 is routed backward through the side of the discharge electrode 2.

ここにおいて、静電霧化で発生させたミストＭを観察したところ、リング状の放電電極２の中央を通って吐出されるべきミストＭの一部が、放電電極２の側方を通っているグランド線４側に向かい、さらにその一部は後方へと流れていることが確認された。これは放電電極２から放出される電気力線が、グランド線４側にも作用してしまうためであると考えられる。
特開２００６−２０５０９４号公報 Here, when the mist M generated by electrostatic atomization is observed, a part of the mist M to be discharged through the center of the ring-shaped discharge electrode 2 passes through the side of the discharge electrode 2. It was confirmed that it went to the ground line 4 side and part of it was flowing backward. This is considered to be because the lines of electric force emitted from the discharge electrode 2 also act on the ground line 4 side.
JP 2006-205094 A

本発明は上記の従来の問題点に鑑みて発明したものであって、発生させたミストＭの前方への吐出量を増加させることができる静電霧化装置とこれを備えたヘアドライヤーを提供することを課題とするものである。   The present invention was invented in view of the above-described conventional problems, and provides an electrostatic atomizer capable of increasing the amount of discharge of the generated mist M forward and a hair dryer provided with the electrostatic atomizer. It is an object to do.

上記課題を解決するために本発明に係る静電霧化装置は、高圧が印加される放電電極と、グランド線を介して接地されるとともに上記放電電極の前方に位置して放電電極と対向する対向電極と、放電電極上に水を供給する水供給手段とを備えて、放電電極上の水を放電によって霧化する静電霧化装置であり、前記放電電極よりも導電性が低い材質からなる筒状の遮蔽部材を放電電極の根元側よりも前方側に配置していることに特徴を有している。   In order to solve the above problems, an electrostatic atomizer according to the present invention is grounded via a discharge electrode to which a high voltage is applied and a ground wire, and is positioned in front of the discharge electrode and faces the discharge electrode. An electrostatic atomizer that includes a counter electrode and water supply means for supplying water onto the discharge electrode, and atomizes the water on the discharge electrode by discharge, and is made of a material having lower conductivity than the discharge electrode. The cylindrical shielding member is characterized in that it is arranged in front of the root side of the discharge electrode.

上記遮蔽部材は、放電電極の基端側を支持しているベース部と対向電極との間で且つ放電電極の外周を囲む位置に配されていることが好ましいが、対向電極よりも前方側に配置されているものであってもよい。   The shielding member is preferably disposed between the base portion supporting the base end side of the discharge electrode and the counter electrode and at a position surrounding the outer periphery of the discharge electrode, but on the front side of the counter electrode. It may be arranged.

また、上記遮蔽部材は少なくとも内周面が絶縁材からなるものを好適に用いることができ、グランド線をコイル状に巻いて形成したものを用いてもよい。   Moreover, the said shielding member can use suitably what the inner peripheral surface consists of an insulating material at least, and what formed by winding a ground wire in the shape of a coil may be used.

そして本発明に係るヘアドライヤーは、冷風乃至温風を送風する送風手段と、上記の静電霧化装置とを備えていることに特徴を有している。   And the hair dryer which concerns on this invention has the characteristics in providing the ventilation means which ventilates cold wind thru | or warm air, and said electrostatic atomizer.

本発明に係る静電霧化装置は、遮蔽部材によってグランド線に向かう電気力線を遮蔽してしまうために、発生させたミストがグランド線側に引っ張られて後方側に流れてしまう事態が生じることを防ぐことができるものであり、ミストの前方吐出量を増やすことができる。   Since the electrostatic atomizer which concerns on this invention shields the electric force line which goes to a ground line by a shielding member, the situation where the generated mist is pulled to the ground line side and flows backward is produced. This can be prevented, and the forward discharge amount of mist can be increased.

以下、本発明を添付図面に示す実施形態に基いて説明すると、図１において、２は放電電極、３は対向電極で、針状に形成された放電電極２の先端から間隔をおいてリング状に形成された対向電極３が配設されている。また、放電電極２の基端側にはペルチェモジュール６が熱的に接続されている。このペルチェモジュール６は、対の回路板６ｂ，６ｄ間に熱電素子６ｃを配したもので、上記放電電極２側の回路板６ｂは絶縁板６ａを介して放電電極２に接続されている。また、ペルチェモジュール６の他方の回路板６ｄの外面側には放熱フィン７が接続されている。   Hereinafter, the present invention will be described with reference to an embodiment shown in the accompanying drawings. In FIG. 1, 2 is a discharge electrode, 3 is a counter electrode, and is ring-shaped with a gap from the tip of a discharge electrode 2 formed in a needle shape. The counter electrode 3 formed in the above is disposed. A Peltier module 6 is thermally connected to the proximal end side of the discharge electrode 2. The Peltier module 6 includes a thermoelectric element 6c disposed between a pair of circuit boards 6b and 6d. The circuit board 6b on the discharge electrode 2 side is connected to the discharge electrode 2 via an insulating board 6a. Further, a heat radiating fin 7 is connected to the outer surface side of the other circuit board 6 d of the Peltier module 6.

図中５は放電電極２と対向電極３との間に高電圧を印加する高圧電源部であり、上記ペルチェモジュール６は、放電電極２を冷却することで空気中の水分を放電電極２上に結露させることで、霧化させる水を放電電極２上に生成するものである。なお、霧化させるための水は特許文献１で示されたものと同様に水タンクから放電電極２に供給されるものであってもよい。   In the figure, reference numeral 5 denotes a high-voltage power supply unit that applies a high voltage between the discharge electrode 2 and the counter electrode 3. The Peltier module 6 cools the discharge electrode 2 so that moisture in the air is placed on the discharge electrode 2. Water to be atomized is generated on the discharge electrode 2 by condensation. The water for atomization may be supplied from the water tank to the discharge electrode 2 in the same manner as that shown in Patent Document 1.

この静電霧化装置１では、前述のようにペルチェモジュール６で放電電極２を冷却することで空気中の水分を結露させて放電電極２上に結露水を生成する。この時、放電電極２と対向電極３との間に高電圧を印加すれば、放電電極２上の結露水は対向電極３側に引っ張られて放電電極２の先端に集まり、更に対向電極３との間の放電によってレイリー***を起こしてナノメータサイズの静電微粒子水（ミスト）Ｍとなるとともに対向電極２側に移動し、リング状の対向電極２の中央を通って前方側へと吐出される。   In the electrostatic atomizer 1, the discharge electrode 2 is cooled by the Peltier module 6 as described above, whereby moisture in the air is condensed to generate condensed water on the discharge electrode 2. At this time, if a high voltage is applied between the discharge electrode 2 and the counter electrode 3, the condensed water on the discharge electrode 2 is pulled to the counter electrode 3 side and gathers at the tip of the discharge electrode 2. Rayleigh splitting is caused by the discharge between the two to become nanometer-sized electrostatic fine particle water (mist) M, moves to the counter electrode 2 side, is discharged to the front side through the center of the ring-shaped counter electrode 2. .

ここにおいて、上記対向電極３を接地させているグランド線４が放電電極２の側方を通って後方側に引き回されているのであるが、このグランド線４の影響を避けるために、ここでは対向電極３と放電電極２を保持しているベース部分との間に筒状の遮蔽部材１１を配して、対向電極３よりも導電性が低い材質からなる上記遮蔽部材１１で放電電極２の外周を囲んでいる。   Here, the ground line 4 that grounds the counter electrode 3 is routed to the rear side through the side of the discharge electrode 2. In order to avoid the influence of the ground line 4, here, A cylindrical shielding member 11 is disposed between the counter electrode 3 and the base portion holding the discharge electrode 2, and the discharge member 2 is made of the shielding member 11 made of a material having lower conductivity than the counter electrode 3. Surrounds the perimeter.

対向電極３に電気的に接続されることでグランド線４を介して接地されている上記遮蔽部材１１は、放電電極２の後方へと引き回されたグランド線４に向かっていた電気力線を遮蔽するものであり、このためにミストＭの一部が後方側へと流れるというようなことを招くことがなく、最終的には意図している前方側に全ミストＭが吐出される。   The shielding member 11 that is grounded via the ground wire 4 by being electrically connected to the counter electrode 3 generates the electric lines of force that are directed toward the ground wire 4 routed to the rear of the discharge electrode 2. For this reason, there is no possibility that a part of the mist M flows to the rear side, and the entire mist M is finally discharged to the intended front side.

図２に示すように、上記遮蔽部材１１の少なくとも内周面側を絶縁被膜１２で覆っていてもよい。この場合、放電電極２と遮蔽部材１１間の電位差を更に低減することができるために、放電電極２の側方に向かっていた電気力線も前方側に向けることができるために、前方側へのミストＭの吐出量を更に増大させることができる。なお、遮蔽部材１１全体が絶縁性材で形成されたものであってもよい。   As shown in FIG. 2, at least the inner peripheral surface side of the shielding member 11 may be covered with an insulating coating 12. In this case, since the potential difference between the discharge electrode 2 and the shielding member 11 can be further reduced, the lines of electric force that have been directed to the side of the discharge electrode 2 can also be directed to the front side. The amount of mist M discharged can be further increased. Note that the entire shielding member 11 may be formed of an insulating material.

図３に他の実施形態の一例を示す。これは絶縁被覆が施されているグランド線４を密に巻いたコイル状とし、このコイル状とした部分で対向電極３と上記ベース部との間の放電電極２外周を囲むことによってグランド線４そのものが遮蔽部材１１として機能するようにしたものである。   FIG. 3 shows an example of another embodiment. This is formed into a coil shape in which the ground wire 4 with insulating coating is tightly wound, and the ground wire 4 is surrounded by surrounding the discharge electrode 2 between the counter electrode 3 and the base portion with the coiled portion. The device itself functions as the shielding member 11.

図４に示すようにグランド線４のコイル状とすることで形成した遮蔽部材１１を対向電極３よりも更に前方側にも延長して配置するようにしてもよい。放電電極２から発生する電気力線の方向を効率良く前方側に向かわせることができるためにミストＭの前方吐出量を更に増加させることができる。   As shown in FIG. 4, the shielding member 11 formed by forming the coil shape of the ground wire 4 may be arranged so as to extend further forward than the counter electrode 3. Since the direction of the electric lines of force generated from the discharge electrode 2 can be efficiently directed to the front side, the forward discharge amount of the mist M can be further increased.

また、対向電極３よりも更に前方側にグランド線４のコイル状部分を配置する場合、図５に示すように、対向電極２の外周を囲む部分が無くても、グランド線４の影響で後方へと向かうミストＭの流れを少なくすることができるが、図１や図２に示した遮蔽部材１１を併用したものや、図４に示したものの方がより好ましいのはもちろんである。   Further, when the coiled portion of the ground wire 4 is disposed further forward than the counter electrode 3, even if there is no portion surrounding the outer periphery of the counter electrode 2 as shown in FIG. Although the flow of the mist M toward the surface can be reduced, it is needless to say that the combination of the shielding member 11 shown in FIGS. 1 and 2 and the one shown in FIG. 4 are more preferable.

図６は図３に示した静電霧化装置１を備えたヘアドライヤー１６の一例を示しており、先端に吐出口１４，後端に吸い込み口１５を有する筒状ハウジング２６内に内筒２３を配するとともに、内筒２６の後端側にモータ１９とファン１７と風洞１８とからなる送風装置を配置し、上記内筒２３の前部内にヒータ２２を配したもので、吐出口１４内にはフィルター２４とノズル２５とを配設している。図中２８はハウジング２６の途中から延出したグリップ部、２７はスイッチ、２９は電源コード導出部である。   FIG. 6 shows an example of a hair dryer 16 provided with the electrostatic atomizer 1 shown in FIG. 3, and an inner cylinder 23 is provided in a cylindrical housing 26 having a discharge port 14 at the front end and a suction port 15 at the rear end. And a blower device including a motor 19, a fan 17, and a wind tunnel 18 is disposed on the rear end side of the inner cylinder 26, and a heater 22 is disposed in the front portion of the inner cylinder 23. A filter 24 and a nozzle 25 are provided in the case. In the figure, 28 is a grip part extending from the middle of the housing 26, 27 is a switch, and 29 is a power cord lead-out part.

そして上記ヘアドライヤー１６では、ハウジング２６と内筒２３との間の空間にグランド線４をコイル状に巻いて遮蔽部材１１を形成している静電霧化装置１を配置して、該静電霧化装置１で発生させたミストＭが上記吐出口１４とは別に設けた吐出口３０から前方に向けて吐出されるようにしている。   In the hair dryer 16, the electrostatic atomizer 1 that forms the shielding member 11 by winding the ground wire 4 in a coil shape is disposed in the space between the housing 26 and the inner cylinder 23, and The mist M generated by the atomizing device 1 is discharged forward from a discharge port 30 provided separately from the discharge port 14.

本発明の実施の形態の一例を示す断面図である。It is sectional drawing which shows an example of embodiment of this invention. 同上の他例の断面図である。It is sectional drawing of the other example same as the above. 他の実施の形態の一例の断面図である。It is sectional drawing of an example of other embodiment. 同上の他例の断面図である。It is sectional drawing of the other example same as the above. 更に他例の断面図である。Furthermore, it is sectional drawing of another example. 本発明に係る静電霧化装置を備えたヘアドライヤーの断面図である。It is sectional drawing of the hair dryer provided with the electrostatic atomizer based on this invention. 従来例の断面図である。It is sectional drawing of a prior art example.

符号の説明Explanation of symbols

１ 静電霧化装置
２ 放電電極
３ 対向電極
４ グランド線
５ 高圧電源部
１１ 遮蔽部材 DESCRIPTION OF SYMBOLS 1 Electrostatic atomizer 2 Discharge electrode 3 Counter electrode 4 Ground wire 5 High voltage power supply part 11 Shielding member

Claims (6)

高圧が印加される放電電極と、グランド線を介して接地されるとともに上記放電電極の前方に位置して放電電極と対向する対向電極と、放電電極上に水を供給する水供給手段とを備えて、放電電極上の水を放電によって霧化する静電霧化装置であって、前記放電電極よりも導電性が低い材質からなる筒状の遮蔽部材を放電電極の根元側よりも前方側に配置していることを特徴とする静電霧化装置。   A discharge electrode to which a high voltage is applied; a counter electrode which is grounded via a ground wire and is positioned in front of the discharge electrode and faces the discharge electrode; and a water supply means for supplying water onto the discharge electrode An electrostatic atomizing device for atomizing water on the discharge electrode by discharging, wherein a cylindrical shielding member made of a material having lower conductivity than the discharge electrode is placed on the front side of the root side of the discharge electrode. An electrostatic atomizer characterized by being arranged. 上記遮蔽部材は、放電電極の基端側を支持しているベース部と対向電極との間で且つ放電電極の外周を囲む位置に配されていることを特徴とする請求項１記載の静電霧化装置。   The electrostatic shielding device according to claim 1, wherein the shielding member is disposed between the base portion supporting the proximal end side of the discharge electrode and the counter electrode and at a position surrounding the outer periphery of the discharge electrode. Atomization device. 上記遮蔽部材は対向電極よりも前方側に配置されていることを特徴とする請求項１記載の静電霧化装置。   The electrostatic atomizer according to claim 1, wherein the shielding member is disposed in front of the counter electrode. 上記遮蔽部材は少なくとも内周面が絶縁材からなることを特徴とする請求項１〜３のいずれか１項に記載の静電霧化装置。   The electrostatic atomizer according to claim 1, wherein at least an inner peripheral surface of the shielding member is made of an insulating material. 上記遮蔽部材はグランド線をコイル状に巻いて形成したものであることを特徴とする請求項１〜４のいずれか１項に記載の静電霧化装置。   The electrostatic atomizer according to any one of claims 1 to 4, wherein the shielding member is formed by winding a ground wire in a coil shape. 冷風乃至温風を送風する送風手段と、請求項１〜５のいずれか１項に記載の静電霧化装置とを備えていることを特徴とするヘアドライヤー。   A hair dryer comprising air blowing means for blowing cold air or warm air and the electrostatic atomizer according to any one of claims 1 to 5.
JP2007213675A 2007-08-20 2007-08-20 Electrostatic atomizer and hair dryer provided with the same Expired - Fee Related JP4862779B2 (en)

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JP2007213675A JP4862779B2 (en) 2007-08-20 2007-08-20 Electrostatic atomizer and hair dryer provided with the same
PCT/JP2008/064454 WO2009025204A1 (en) 2007-08-20 2008-08-12 Electrostatic atomizer, and hair drier having the atomizer
CN2008801026887A CN101778581B (en) 2007-08-20 2008-08-12 Electrostatic atomizer, and hair drier having the atomizer

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