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JP2011067771A - Discharge apparatus - Google Patents

Discharge apparatus Download PDF

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Publication number
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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Prior art keywords
discharge electrode
discharge
high voltage
water
case
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JP2009221617A
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Japanese (ja)
Inventor
Hidekiyo Uegaki
英聖 上垣
Kenji Obata
健二 小幡
Atsushi Isaka
篤 井坂
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Application filed by Panasonic Electric Works Co Ltd filed Critical Panasonic Electric Works Co Ltd
Priority to JP2009221617A priority Critical patent/JP2011067771A/en
Priority to CN2010800394164A priority patent/CN102574137A/en
Priority to PCT/JP2010/005738 priority patent/WO2011036873A1/en
Priority to EP10776191A priority patent/EP2480338A1/en
Priority to KR1020127005468A priority patent/KR20120035949A/en
Priority to US13/394,020 priority patent/US20120175440A1/en
Priority to TW099132391A priority patent/TW201127272A/en
Publication of JP2011067771A publication Critical patent/JP2011067771A/en
Pending legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/0049—Casings being metallic containers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • 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
    • B05B5/001—Electrostatic 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
    • 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
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

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, and more particularly to a discharge device that is intended to prevent adverse external electronic devices from being adversely affected by application of a high voltage to a discharge electrode.

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）。   In recent years, a discharge device that atomizes water to generate nanometer-sized charged fine particle water (nanosize mist) has attracted attention (see, for example, 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 has various circuits such as a high voltage generation circuit and a control circuit in order to atomize liquid (water) from the tip of a needle-like electrode that is a discharge portion.

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。   In recent years, in order to save the trouble of supplying the water, a configuration has been proposed in which condensed water is generated by cooling the air, and atomization is performed by applying a high voltage to the condensed water. Noise was radiated to the periphery of the device due to discharge during atomization, and there was concern about malfunction of peripheral devices due to the influence of this noise.

特開２００６−１２２７９５号公報JP 2006-122895 A

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 has been made in view of the above circumstances, and its purpose is to prevent the discharge electrode to which a high voltage is applied from becoming a radiation noise generation source and prevent adverse effects on peripheral devices, It is another object of the present invention to provide a discharge device that can prevent malfunction of the discharge device due to external static electricity or electromagnetic noise.

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 provides an atomization chamber 3 in which the discharge electrode 2 is disposed, water supply means for supplying water to the surface of the discharge electrode 2, and a high voltage applied to the discharge electrode 2. A discharge device including a high voltage application unit 5 that atomizes and generates charged fine particle water M from the tip 2a of the discharge electrode 2 by application, and discharges the charged fine particle water M to the outside of the atomization chamber 3. In addition, at least the periphery of the atomization chamber 3 in which the discharge electrode 2 is disposed is covered with a noise reduction case 7 connected to GND.

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。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。   By adopting such a configuration, the noise reduction case 7 connected to the GND prevents the discharge electrode 2 to which a high voltage is applied from becoming a radiation noise generation source. It is possible to eliminate problems that cause malfunctions. The case 7 also has a function of shielding noise such as static electricity and electromagnetic waves from the outside, and can prevent malfunction of the discharge device.

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。   In the present invention, at least the periphery of the atomization chamber in which the discharge electrode is arranged is covered with a noise reduction case connected to GND, so that the discharge electrode is prevented from becoming a radiation noise generation source and radiation emission by the discharge unit is prevented. The effect of preventing the problem and the effect of preventing the adverse effect due to the external noise of the discharge device itself can be obtained.

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 block diagram of the discharge device of one Embodiment of this 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 side surface sectional drawing of the discharge electrode vicinity of a discharge device same as the above.

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, the present invention will be described based on embodiments shown 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。   FIG. 1 shows a discharge device 1 for generating nanometer-sized charged fine particle water M (nanosize mist) as an example of an embodiment of the present invention.

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。   As shown in FIG. 2, the discharge device 1 includes a discharge electrode 2, a cooling unit 4b that condenses moisture in the air on the surface of the discharge electrode 2, and a heat dissipation unit 4c that dissipates heat generated during the cooling. Condensed water generating means 4, high voltage applying section 5 that generates condensed water from the tip 2 a of discharge electrode 2 by applying a high voltage to discharge electrode 2, and cooling that gives a cooling command to condensed water generating means 4 The discharge unit 11 includes a command unit and a control circuit 10 (see FIG. 1) that controls energization of the high voltage application unit 5, 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。   The distal end portion 2a of the discharge electrode 2 has a needle-like or linear shape, and the distal end portion 2a becomes a discharge 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。   In the example shown in FIG. 2, the dew condensation water generating means 4 is composed of a Peltier element 4a, the discharge electrode 2 is thermally connected to the cooling part 4b side, and the radiation fins 9 are arranged on the heat radiation part 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。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。なお、対向電極２１は省略可能である。   In addition, a motor fan (not shown) that sends cooling air to the radiating fins 9 is provided, and air sent from the motor fan is discharged from the discharge port 6 that is the front end opening of the case 7. In FIG. 2, reference numeral 20 denotes an opening frame made of an insulating material that surrounds the discharge electrode 2, and reference numeral 21 denotes a ring-shaped counter electrode that is disposed to face the discharge electrode 2. The counter electrode 21 can 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。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。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。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。   The discharge unit 11 cools the discharge electrode 2 by the cooling unit 4b to condense moisture in the air to generate condensed water on the discharge electrode 2. Therefore, the cooling unit 4b is formed on the discharge electrode 2. A water supply means for supplying moisture is configured. Then, in a state where the dew condensation water is attached to the discharge electrode 2, by applying a high voltage between the discharge electrode 2 and the counter electrode 21, the dew condensation water adhering to the tip 2a of the discharge electrode 2 is atomized. To do. That is, the condensed water collects at the tip 2a of the discharge electrode 2 and repeatedly undergoes Rayleigh splitting by discharge to become nano-sized charged fine particle water M, which is discharged outside from the discharge port 6 by the wind from the motor fan. The Then, the control circuit 10 that adjusts the amount of condensed water generated by adjusting the cooling degree of the cooling unit 4b always ensures an appropriate amount of condensed water on the discharge electrode 2, and the generation of the nano-sized charged fine particle water M This is done reliably without being affected by 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。   Since this type of nano-sized charged fine particle water M contains radicals such as superoxide radicals and hydroxy radicals, in addition to the deodorizing effect, it also has the effect of suppressing viruses and molds, the effect of inactivating allergen substances, etc. If it is sent out indoors, it can deodorize not only odorous components in the air in the room but also odorous components adhering to the walls, sheets, etc., and mites adhering to the seats, floor carpets, cushions, etc. And allergens such as pollen brought into the room as the door opens and closes.

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。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。   Here, as shown in FIG. 1, the case 7 of the discharge device 1 is formed in a cylindrical shape with one end opened, and a discharge port 6 that discharges the charged fine particle water M is integrally attached to the opening. . In the case 7, an atomizing chamber 3 in which the discharge electrode 2 is disposed on the side close to the discharge port 6 is provided, and the condensed water generating means 4 and the control circuit 10 are housed in the back thereof.

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。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。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。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。   The case 7 is used for noise reduction to prevent the discharge electrode 2 from being a source of radiation noise. The case 7 is entirely made of a metal case, and has an inner surface covered with an electrical insulating portion 15 such as resin. ing. Instead of the metal case, the outer surface of the electrical insulating portion 15 may be coated with metal plating. The metal part of the case 7 is connected to the GND via the ground wire 8. The entire inner surface of the case 7 may be the electrical insulating portion 15, but at least the inner surface portion of the atomization chamber 3 surrounding the discharge electrode 2 may be formed by the electrical 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。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。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。   Further, the discharge port 6 connected to the opening side of the atomization chamber 3 is formed of a cylindrical resin molded product 16 to prevent the charged fine particle water M from adhering to the inner surface of the discharge port 6. Yes. The resin molded product 16 of this example is configured separately from the case 7. It is also possible to form the case 7 and the discharge port 6 integrally and perform an electrical insulation process from the inner surface of the case 7 to the inner surface of the discharge port 6.

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 noise radiated from the discharge electrode 2 due to the high voltage applied to the discharge electrode 2 having the above configuration is grounded to the GND through the ground wire 8 connected to the case 7 surrounding the atomization chamber 3. Thus, the discharge electrode 2 can be prevented from being a source of radiation noise, thereby eliminating the risk of adverse effects such as causing malfunctions of external precision equipment and computers.

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 the portion surrounding the atomization chamber 3 on the inner surface of the case 7 is an electrical insulating portion, no discharge occurs between the discharge electrode 2 and the case 7, and the generation efficiency of the charged particulate water M is improved. Can be increased.

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, since noise such as static electricity and electromagnetic waves from the outside is shielded by the case 7, there is an advantage that it is possible to simultaneously prevent the malfunction caused by the external noise of the discharge unit 11 itself housed in the case 7.

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, since the case 7 itself of the discharge device 1 has a function of reducing radiation noise, there is an advantage that the structure of the discharge device 1 can be simplified.

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 example, since the discharge port 6 from which the charged fine particle water M is discharged is formed of a resin molded product, the inner surface of the discharge port 6 serves as an electrical insulating portion to prevent the charged fine particle water M from being attached. There is also an advantage that the release efficiency of can be increased.

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。   In the above-described embodiment, the condensed water generating means 4 is exemplified as the water supply means for supplying water to the discharge electrode 2. However, the water from the liquid reservoir is sucked up and supplied to the tip of the rod-shaped transport portion constituting the discharge electrode. 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
DESCRIPTION OF SYMBOLS 1 Discharge device 2 Discharge electrode 2a Tip part 3 Atomization chamber 5 High voltage application part 6 Release port 7 Case M Charged fine particle water

Claims (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。
An atomization chamber in which the discharge electrode is disposed; a water supply means for supplying water to the surface of the discharge electrode; and a high voltage for generating atomized charged fine particle water from the tip of the discharge electrode by applying a high voltage to the discharge electrode. A discharge device including a voltage application unit and configured to discharge the charged fine particle water to the outside of the atomization chamber, wherein at least the periphery of the atomization chamber in which the discharge electrode is disposed is connected to GND. A discharge device that is covered with a case.
JP2009221617A 2009-09-25 2009-09-25 Discharge apparatus Pending JP2011067771A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2009221617A JP2011067771A (en) 2009-09-25 2009-09-25 Discharge apparatus
CN2010800394164A CN102574137A (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
PCT/JP2010/005738 WO2011036873A1 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
EP10776191A EP2480338A1 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
KR1020127005468A KR20120035949A (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
US13/394,020 US20120175440A1 (en) 2009-09-25 2010-09-22 Discharge device with electromagnetic shield
TW099132391A TW201127272A (en) 2009-09-25 2010-09-24 Discharge device

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JP2009221617A JP2011067771A (en) 2009-09-25 2009-09-25 Discharge apparatus

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JP (1) JP2011067771A (en)
KR (1) KR20120035949A (en)
CN (1) CN102574137A (en)
TW (1) TW201127272A (en)
WO (1) WO2011036873A1 (en)

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WO2011036873A1 (en) 2011-03-31
TW201127272A (en) 2011-08-01
CN102574137A (en) 2012-07-11
EP2480338A1 (en) 2012-08-01
KR20120035949A (en) 2012-04-16
WO2011036873A4 (en) 2011-06-16
US20120175440A1 (en) 2012-07-12

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