JP2011067771A - Discharge apparatus - Google Patents

Discharge apparatus Download PDF

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JP2011067771A
JP2011067771A JP2009221617A JP2009221617A JP2011067771A JP 2011067771 A JP2011067771 A JP 2011067771A JP 2009221617 A JP2009221617 A JP 2009221617A JP 2009221617 A JP2009221617 A JP 2009221617A JP 2011067771 A JP2011067771 A JP 2011067771A
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discharge
electrode
apparatus
lt
water
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Atsushi Isaka
Kenji Obata
Hidekiyo Uegaki
英聖 上垣
篤 井坂
健二 小幡
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Panasonic Electric Works Co Ltd
パナソニック電工株式会社
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007Casings
    • H05K9/0049Casings being metallic containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/057Arrangements for discharging liquids or other fluent material without using a gun or nozzle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/001Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means incorporating means for heating or cooling, e.g. the material to be sprayed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a discharge electrode to which high voltage is applied from producing a radiation noise generation source to prevent bad affections over peripheral equipment and also prevent malfunction of a discharge apparatus from taking place caused by external noise. <P>SOLUTION: The discharge apparatus 1 includes an atomizing chamber 3 where the discharge electrode 2 is disposed, a water supply means that supplies the water onto a surface of the discharge electrode 2, and a high voltage applying section 5 that atomizes-produces charged particulate water M from the tip section 2a of the discharge electrode 2 by applying high voltage to the discharge electrode 2, and is covered with a noise reduction case 7 where at least the periphery of the atomizing chamber 3 is connected to a GND. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、放電装置に関し、詳しくは放電電極への高電圧印加によって外部周辺の電子機器に対して悪影響を及ぼすことを防止しようとする放電装置に関するものである。 The present invention relates to a discharge device, more particularly to a discharge device to be prevented from adversely affecting the external periphery of the electronic device by the high voltage applied to the discharge electrodes.

近年、水を霧化させてナノメータサイズの帯電微粒子水(ナノサイズミスト)を発生させる放電装置が注目されている(例えば、特許文献1参照)。 Recently, a discharge device for water is atomized to generate charged water particles of nanometer size (nano-size mist) has attracted attention (for example, see Patent Document 1).

この種の放電装置は、放電部である針状の電極先端部から液体(水)を霧化させるために高電圧発生回路をはじめ、制御回路などの各種回路を有している。 This type of discharge device, including the high-voltage generating circuit in order to atomize the liquid (water) from the needle-like electrode tip is discharging unit has various circuits such as a control circuit.

また、近年は、当該水の供給の手間を省くため、空気を冷却することによって、結露水を生成し、結露水に高電圧を印加することで霧化を行う構成が提案されているが、霧化する際の放電によりノイズが装置周辺に放射されており、このノイズの影響により周辺機器の誤動作が懸念されていた。 Further, in recent years, since the save time of supply of the water by cooling the air to produce condensed water, but configured to perform atomization are proposed by applying a high voltage to the condensed water, noise by discharge at the time of atomization are radiated to the peripheral device, peripheral malfunctions have been concerns about the effect of this noise.

特開2006−122795号公報 JP 2006-122795 JP

本発明は上記の事情に鑑みてなされたものであって、その目的とするところは、高電圧印加される放電電極が放射ノイズ発生源となるのを防いで周辺機器への悪影響を防止でき、さらに外部からの静電気や電磁波などのノイズによる本放電装置の誤動作の発生も防止できるようにした放電装置を提供することにある。 The present invention was made in view of the above circumstances, it is an object of discharge electrodes can be prevented from adverse effects on the peripheral equipment is prevented from becoming a radiation noise source is voltage, Furthermore it is to provide a discharge apparatus which generated was also possible to prevent the malfunction of the discharge device caused by noise such as static electricity and electromagnetic waves from the outside.

前記の課題を解決するために、本発明は、放電電極2を配置する霧化室3と、該放電電極2の表面に水を供給する水供給手段と、該放電電極2への高電圧の印加によって放電電極2の先端部2aから帯電微粒子水Mを霧化生成する高電圧印加部5とを備え、該帯電微粒子水Mを霧化室3外部へ放出するようにした放電装置であって、少なくとも上記放電電極2を配置する霧化室3の周囲をGNDに接続されたノイズ低減用のケース7で被覆してなることを特徴としている。 In order to solve the above problems, the present invention includes a atomizing chamber 3 to arrange the discharge electrode 2, and water supply means for supplying water to the surface of the discharge electrodes 2, the high voltage to the discharge electrode 2 applied by the a high voltage application unit 5 for atomizing generating charged water particulates M from the distal end portion 2a of the discharge electrode 2, a discharge device designed to emit the charged water particulates M to the atomizing chamber 3 outside , it is characterized by being coated with at least the case 7 for noise reduction which is connected around the GND of the atomization chamber 3 to place the discharge electrode 2.

このような構成とすることで、GNDに接続されたノイズ低減用のケース7により、高電圧印加される放電電極2が放射ノイズ発生源となるのを防いで、外部周辺の精密機器やコンピュータ等の誤動作を引き起こす問題をなくすことができる。 With such a configuration, a case 7 for noise reduction, which is connected to GND, and to prevent the discharge electrodes 2 that the radiation noise generation source is high voltage, precision instruments and computers, etc. around the outside it is possible to eliminate the problems that cause of the malfunction. またケース7は外部からの静電気や電磁波などのノイズをシールドする機能も併せ持つようになり、本放電装置の誤動作も防止できるようになる。 The case 7 is as both a function of shielding noise such as static electricity or electromagnetic waves from the outside, a malfunction of the discharge device also becomes possible to prevent.

本発明は、少なくとも放電電極を配置する霧化室周囲をGNDに接続されたノイズ低減用のケースで被覆したことにより、放電電極が放射ノイズ発生源となるのを防いで放電部による放射エミッションの問題を防止できる効果と、さらに本放電装置自体の外部ノイズによる悪影響も防止できる効果が得られるものである。 The present invention, by coated with the case of connecting noise reduction atomization chamber around the GND disposing at least discharge electrodes, the discharge electrodes of the radiation emission by the discharge portion to prevent becoming a radiation noise source and effect of preventing the problem in which the effect is obtained that can be prevented more adverse effects of external noise of the discharge device itself.

本発明の一実施形態の放電装置の概略構成図である。 It is a schematic configuration diagram of a discharge device according to an embodiment of the present invention. 同上の放電装置の放電電極付近の側面断面図である。 It is a side sectional view of a discharge electrode near the discharge device;.

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。 Hereinafter, it will be described with reference to the embodiment shown the present invention in the accompanying drawings.

図1は本発明の実施形態の一例として、ナノメータサイズの帯電微粒子水M(ナノサイズミスト)を発生させるための放電装置1を示している。 Figure 1 is an example embodiment of the present invention, showing the discharge device 1 for generating the charged water particles M (nano-size mist) of nanometer size.

本放電装置1は、図2に示すように、放電電極2と、空気中の水分を放電電極2表面に結露させる冷却部4bと、当該冷却に当たって生じた熱を放熱する放熱部4cとを有する結露水発生手段4と、放電電極2への高電圧の印加によって結露水を放電電極2の先端部2aから霧化生成する高電圧印加部5と、結露水発生手段4に冷却指令を与える冷却指令部と高電圧印加部5を通電制御する制御回路10(図1参照)とを備えた放電ユニット11と、放電ユニット11全体を収納するケース7とで構成されている。 The discharge device 1, as shown in FIG. 2, includes a discharge electrode 2, a cooling unit 4b for condensation of moisture in the air to the discharge electrode 2 surface and a heat radiating portion 4c for radiating heat generated when the cooling cooling to provide a dew condensation water generating section 4, a high voltage application unit 5 for generating atomized condensed water from the tip 2a of the discharge electrode 2 by applying a high voltage to the discharge electrode 2, the cooling command to the dew condensation water generating section 4 a discharge unit 11 that includes a control circuit 10 (see FIG. 1) for energization control of the high-voltage applying unit 5 and the command unit, and a case 7 that houses the entire discharge unit 11.

放電電極2の先端部2aは、針状或いは線状に尖った形状になっており、この先端部2aが放電部となる。 Tip part 2a of the discharge electrode 2 is turned sharp shape like a needle or linear, the distal end portion 2a is discharged portion.

結露水発生手段4は、図2に示す例では、ペルチェ素子4aで構成されているとともに、冷却部4b側に放電電極2が熱的に接続されており、放熱部4c側に放熱フィン9が接続されている。 Condensation water generating means 4, in the example shown in FIG. 2, with is composed of a Peltier element 4a, to the cooling portion 4b side discharge electrodes 2 are thermally connected, heat dissipation fins 9 to the heat radiating portion 4c side It is connected.

さらに放熱フィン9に冷却風を送るモータファン(図示せず)を備えていると共に、このモータファンから送られる風は、ケース7の先端開口である放出口6から吐出される。 Further with has a motor fan (not shown) for sending cooling air to the heat radiating fins 9, the wind sent from the motor fan is discharged from the discharge port 6 is a front end opening of the case 7. なお図2中の20は放電電極2を外囲する絶縁材料からなる開口枠、21は放電電極2と対向配置されるリング状の対向電極である。 Note 20 in Figure 2 opening frame made of an insulating material to the outer circumference of the discharge electrodes 2, 21 is a ring shaped counter electrode disposed opposite to the discharge electrode 2. なお、対向電極21は省略可能である。 The counter electrode 21 may be omitted.

本放電ユニット11は、冷却部4b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ものであり、従って、冷却部4bが放電電極2に水分を供給する水供給手段を構成している。 This discharge unit 11, which generates a condensed water on the discharge electrode 2 by condensing the moisture in the air by cooling the discharge electrode 2 in the cooling unit 4b, therefore, the cooling unit 4b discharge electrodes 2 moisture constitutes a water supply means for supplying. そして、結露水が放電電極2に付着している状態において、放電電極2と対向電極21との間に高電圧を印加することにより、放電電極2の先端部2aに付着した結露水が霧化する。 Then, in a state in which dew condensation water is attached to the discharge electrode 2, by applying a high voltage between the discharge electrodes 2 and the counter electrode 21, dew condensation water attached to the tip portion 2a of the discharge electrode 2 is atomized to. つまり、結露水は放電電極2の先端部2aに集まると共に放電によってレイリ一分裂を繰り返してナノサイズの帯電微粒子水Mとなり、上記のモータファンによる風に乗って前記放出口6から外部に吐出される。 That is, condensed water is discharged charged water particles M next nanosized repeat Rayleigh one division by the discharge with gathers at the tip portion 2a of the discharge electrode 2, from the discharge port 6 on the wind by the motor fan to the outside that. そして、冷却部4bの冷却度調整による結露水生成量の調整を行う制御回路10によって、放電電極2上に適量の結露水を常に確保して、ナノサイズの帯電微粒子水Mの発生を温度や湿度に影響されることなく確実に行うものとなっている。 Then, the control circuit 10 to adjust the dew condensation water generating amount by the cooling degree adjustment of the cooling unit 4b, always ensuring an appropriate amount of condensed water on the discharge electrode 2, the temperature Ya generation of the charged water particles M of nanometer sizes It has become a thing be reliably performed without being affected by the humidity.

この種のナノサイズの帯電微粒子水Mは、スーパーオキサイドラジカルやヒドロキシラジカルといったラジカルが含まれていることから、脱臭効果に加えてウイルス・カビ菌の抑制効果、アレルゲン物質不活化効果等も備えており、これを室内に送り出せば、室内の空気中の臭い成分だけでなく、壁面やシート等に付着した臭い成分の脱臭も行うことができる上に、シートやフロアカーペット、クッション等に付着したダニの屍骸や、ドアの開閉に伴って室内に持ち込まれた花粉等のアレルゲンも抑制できる効果がある。 Charged water particles M of such nano-sized, since it contains the radicals such as superoxide radicals or hydroxy radicals, suppression of virus fungi in addition to the deodorizing effect, also provided allergen inactivating effect like cage, if Okuridase it indoors, as well as odorous components in room air, on which can be performed deodorization of odor components adhering to the wall surface or sheets, mites adhering sheet and the floor carpet, the cushions of or cadaver, with the opening and closing of the door there is an allergen can be suppressed effects such pollen brought indoors.

ここで、本放電装置1のケース7は、図1に示すように、一端が開口された筒状に形成され、開口部に帯電微粒子水Mを放出する放出口6が一体に取り付けられている。 Here, the case 7 of the discharge device 1, as shown in FIG. 1, one end is formed in the opening is cylindrical, outlet 6 for releasing the charged water particles M in the opening is integrally attached to . ケース7内には、放出口6に近い側に放電電極2を配置する霧化室3が設けられ、その奥に結露水発生手段4と、制御回路10とがそれぞれ収納されている。 In the case 7, atomizing chamber 3 is provided to arrange the discharge electrode 2 side near the outlet 6, and dew condensation water generating section 4 to the rear, and a control circuit 10 are respectively housed.

このケース7は、放電電極2が放射ノイズの発生源となるのを防止するノイズ低減用として用いられ、全体が金属ケースからなり、その内面に樹脂などの電気絶縁部15を被覆して構成されている。 The case 7, the discharge electrode 2 is used as a noise reduction prevented from becoming a source of radiation noise, entirely made of the metal case, it is constituted by coating an electrically insulating portion 15 such as a resin on its inner surface ing. なお、金属ケースに代えて、電気絶縁部15の外面に金属メッキで被覆したものであってもよい。 Instead of the metal case, or it may be coated with a metal plating on the outer surface of the electrically insulating portion 15. ケース7の金属部分はアース線8を介してGNDに接続されている。 Metal part of the case 7 is connected to the GND via the ground wire 8. なお、ケース7内面全体を電気絶縁部15としてもよいが、少なくとも放電電極2を囲む霧化室3の内面部分が電気絶縁部15で形成されていればよい。 Incidentally, the entire case 7 inside surface may be electrically insulating portion 15, but the inner surface portion of the atomization chamber 3 surrounding at least a discharge electrode 2 may be formed of an electrically insulating portion 15.

さらに、霧化室3の開口側に連らなる放出口6は、筒状の樹脂成形品16で構成されており、放出口6内面に対して帯電微粒子水Mが付着するのを防止している。 Further, outlet 6 comprising communicating et al on the opening side of the atomization chamber 3 is constituted by a cylindrical resin molded article 16, to prevent the charged water particles M with respect to outlet 6 inner surface adheres there. 本例の樹脂成形品16は、ケース7とは別体で構成されている。 Resin molded article 16 of the present embodiment is constructed separately from the casing 7. なお、ケース7と放出口6とを一体形成して、ケース7の内面から放出口6内面に跨って電気絶縁処理を施すことも可能である。 Incidentally, integrally forming the casing 7 and the outlet 6, it is also possible to apply an electric insulating treatment across outlet 6 the inner surface from the inner surface of the case 7.

しかして、上記構成の放電電極2への高電圧印加によって、放電電極2から放射されるノイズは、霧化室3を囲むケース7に接続されたアース線8を伝ってGNDにアースされるので、放電電極2が放射ノイズ発生源となるのを防止できる構造となり、これにより、外部周辺の精密機器やコンピュータ等の誤動作を引き起こすなどの悪影響を与える心配がなくなる。 Thus, the high voltage application to the discharge electrode 2 having the above structure, noise radiated from the discharge electrode 2, since it is grounded to GND along the earth wire 8 connected to the casing 7 surrounding the atomization chamber 3 , the discharge electrode 2 is structured to be prevented from the radiation noise source, thereby, concern is eliminated adverse effects such as malfunction, such as precision instruments and computer peripheral outside.

しかも、ケース7内面のうち少なくとも霧化室3を囲む部分が電気絶縁部となっているので、放電電極2とケース7との間で放電が生じることもなく、帯電微粒子水Mの生成効率を高めることができる。 Moreover, since at least part surrounding the atomization chamber 3 of the case 7 inside surface is in the electrically insulating portion, it no discharge occurs between the discharge electrodes 2 and the case 7, the generation efficiency of the charged water particles M it is possible to increase.

また、外部からの静電気や電磁波などのノイズはケース7によってシールドされるので、ケース7内部に収納されている放電ユニット11自体の外部ノイズによる誤動作の発生も同時に防止できる利点がある。 Further, noise such as static electricity or electromagnetic wave from the outside because it is shielded by the case 7, the occurrence of malfunction due to discharge unit 11 itself of the external noise is housed inside casing 7 can be advantageously prevented at the same time.

また、放電装置1のケース7自体に放射ノイズ低減機能を持たせたことにより、放電装置1の構造が簡易で済む利点がある。 Further, by which gave radiated noise reduction function of the case 7 itself the discharge device 1, the structure of the discharge device 1 has an advantage that requires only simple.

さらに本例では、帯電微粒子水Mが放出される放出口6を樹脂成形品で構成したので、放出口6内面が電気絶縁部となって帯電微粒子水Mの付着を防止でき、帯電微粒子水Mの放出効率を高めることができる利点もある。 Furthermore, in this embodiment, since the discharge port 6 charged water particles M is released and a resin molded article, outlet 6 inner surface becomes electrically insulating portion can prevent adhesion of the charged water particles M, the charged water particles M there is an advantage that it is possible to increase the emission efficiency.

なお前記実施形態では、放電電極2に水を供給する水供給手段として、結露水発生手段4を例示したが、液溜め部からの水を放電電極を構成する棒状搬送部の先端に吸い上げて供給する構成であってもよい。 Note in the above embodiment, as the water supply means for supplying to the discharge electrode 2 of water has been described by way of condensation water generating section 4, and sucked up to the tip of the rod-shaped conveyor section which constitutes the discharge electrode water from the liquid reservoir supply it may be configured to.

1 放電装置 2 放電電極 2a 先端部 3 霧化室 5 高電圧印加部 6 放出口 7 ケース M 帯電微粒子水 1 the discharge device 2 and discharge electrodes 2a tip 3 atomizing chamber 5 high-voltage applying unit 6 outlet 7 Case M charged water particles

Claims (1)

  1. 放電電極を配置する霧化室と、該放電電極の表面に水を供給する水供給手段と、該放電電極への高電圧の印加によって放電電極の先端部から帯電微粒子水を霧化生成する高電圧印加部とを備え、該帯電微粒子水を霧化室外部へ放出するようにした放電装置であって、少なくとも上記放電電極を配置する霧化室の周囲をGNDに接続されたノイズ低減用のケースで被覆してなることを特徴とする放電装置。 And atomizing chamber to place the discharge electrode, a water supply means for supplying water to the surface of the discharge electrodes, high atomizing generating charged water particles from the tip of the discharge electrode by applying a high voltage to the discharge electrode and a voltage applying unit, a discharge device designed to emit the charged water particles to the atomization chamber outside, at least the discharge electrode atomization chamber around the for noise reduction, which is connected to the GND of placing discharge apparatus characterized by being covered with the case.
JP2009221617A 2009-09-25 2009-09-25 Discharge apparatus Pending JP2011067771A (en)

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JP2009221617A JP2011067771A (en) 2009-09-25 2009-09-25 Discharge apparatus
KR20127005468A KR20120035949A (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
US13394020 US20120175440A1 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
PCT/JP2010/005738 WO2011036873A4 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
EP20100776191 EP2480338A1 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
CN 201080039416 CN102574137A (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield

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KR (1) KR20120035949A (en)
CN (1) CN102574137A (en)
WO (1) WO2011036873A4 (en)

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EP2480338A1 (en) 2012-08-01 application
WO2011036873A4 (en) 2011-06-16 application
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WO2011036873A1 (en) 2011-03-31 application
KR20120035949A (en) 2012-04-16 application

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