WO2011002006A1 - Dispositif de génération d'ions et élément de génération d'ions - Google Patents

Dispositif de génération d'ions et élément de génération d'ions Download PDF

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Publication number
WO2011002006A1
WO2011002006A1 PCT/JP2010/061119 JP2010061119W WO2011002006A1 WO 2011002006 A1 WO2011002006 A1 WO 2011002006A1 JP 2010061119 W JP2010061119 W JP 2010061119W WO 2011002006 A1 WO2011002006 A1 WO 2011002006A1
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WO
WIPO (PCT)
Prior art keywords
discharge
tube
glass tube
electrode
ion
Prior art date
Application number
PCT/JP2010/061119
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English (en)
Japanese (ja)
Inventor
忠義 林
泰夫 林
好古 泉
智洋 皆木
Original Assignee
新東ホールディングス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 新東ホールディングス株式会社 filed Critical 新東ホールディングス株式会社
Priority to JP2011520945A priority Critical patent/JP4918628B2/ja
Publication of WO2011002006A1 publication Critical patent/WO2011002006A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/2806—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22—Ionisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Definitions

  • the present invention relates to an ion generator, and more particularly to an ion generator and an ion generating element that are small and can generate ions with high efficiency.
  • Cluster ions have a bactericidal action and a deodorizing action, and are suitable for purifying the air in a room or a car or for cleaning a refrigerator.
  • an ion generator for generating cluster ions an ion generator using corona discharge is known (for example, see Patent Document 1).
  • This known ion generator has a discharge electrode composed of a needle-like metal material, and a ring-shaped induction electrode surrounding the periphery of the tip of the discharge electrode through an air gap.
  • the needle electrode and the induction electrode Corona discharge is generated through an air gap by applying a high voltage between the two.
  • ion is generated using the ionization phenomenon by corona discharge.
  • an ozone generator using a discharge tube is known (for example, see Patent Document 2).
  • this known ozone generator two monopolar discharge tubes filled with a rare gas are used, and the two discharge tubes are arranged in parallel so as to form an air gap with a predetermined interval. A high frequency voltage is applied between the electrode terminals of the individual discharge tubes. Then, air is introduced between the two discharge tubes facing each other, and ozone is generated by a high electric field formed between the two discharge tubes.
  • An ion generator that generates ions by corona discharge using a needle electrode has a drawback that the amount of ions generated is small because the generation efficiency of ions is relatively low. For this reason, a relatively high discharge voltage must be applied to the needle electrode, and there is a risk of spark discharge due to poor insulation. Furthermore, in the ion generator described in Patent Document 1, in order to generate an equal amount of positive ions and negative ions, two ion generations of an ion generator for generating positive ions and an ion generator for generating negative ions are generated. Since the apparatus is used, there is a drawback that the ion generator becomes large. Furthermore, a high voltage power source for the positive ion generator and a high voltage power source for the negative ion generator are required, and there is a drawback that the circuit configuration is increased in size.
  • An object of the present invention is to realize an ion generator that has high ion generation efficiency and can be miniaturized. Another object of the present invention is to provide an ion generator that has high ion generation efficiency, can generate a considerable amount of ions even at a relatively low discharge voltage, and is excellent in safety. Furthermore, another object of the present invention is to provide an ion generator that can be manufactured at a low cost with a simple structure.
  • An ion generator includes a cylindrical glass tube sealed at both ends and filled with a rare gas inside, and an electrode terminal attached to one end of the glass tube and extending to the inside of the glass tube.
  • An AC high voltage power supply device connected between the electrode terminal of the discharge tube and the discharge electrode, and applying a discharge voltage exceeding the emission start voltage of the discharge tube; When a discharge voltage is applied between the electrode terminal and the discharge electrode, positive ions and negative ions are generated.
  • the rare gas enclosed in the discharge tube is in a plasma state.
  • corona discharge is generated between the generated plasma and the metal wire through the glass tube and the air gap. Therefore, in such an apparatus, the rare gas sealed in the discharge tube functions as an induction electrode, the metal wire functions as a discharge electrode, and corona discharge generated between these induction electrode and the discharge electrode is effective. If used, an ion generator is realized.
  • the ion generator according to the present invention includes a unipolar discharge tube, a discharge electrode composed of a metal wire stretched in close contact with the outer peripheral surface of the discharge tube, an electrode terminal, and a discharge electrode. And an AC high voltage power supply device connected between them. Since the ion generating element according to the present invention is composed of the discharge tube and the metal wire stretched on the outer peripheral surface thereof, the manufacturing cost is extremely low, and the occupied spatial volume is small, so that the ion generating element is small and has a high ion capacity. An ion generating element having a generation capability is realized. In particular, since the discharge is started at a relatively low applied voltage, the discharge voltage can be considerably reduced, which is beneficial from the viewpoint of safety.
  • the ion generating element according to the present invention is composed of a unipolar discharge tube and a metal wire stretched on the outer peripheral surface thereof, a small and high output ion generating element is realized. Moreover, since the amount of ions generated is considerably larger than that of commercially available products, the discharge tube voltage applied between the electrode terminal and the discharge electrode can be considerably reduced, and safety is also ensured. Furthermore, the manufacturing cost is significantly reduced.
  • FIG. 1 is a diagrammatic cross-sectional view showing an example of an ion generator according to the present invention. It is a diagrammatic sectional view showing a modification of the ion generator according to the present invention. It is a figure which shows typically the relationship between the outer peripheral surface of a glass tube, and the discharge electrode stretched on it.
  • FIG. 1 is a diagrammatic sectional view showing an example of an ion generator according to the present invention.
  • the ion generator has a monopolar discharge tube 1.
  • the discharge tube 1 has a cylindrical glass tube 2 sealed at both ends and filled with a rare gas.
  • a rare gas such as xenon gas, argon gas, krypton gas, and helium gas can be used.
  • an electrode terminal 3 extending to the internal space of the glass tube is attached.
  • a metal wire 4 functioning as a discharge electrode is mounted on the outer peripheral surface of the glass tube 2 so as to be in close contact with the surface of the glass tube.
  • the metal wire for example, a relatively inert metal material such as a nickel wire, a tungsten wire, a molybdenum wire, or a tantalum wire can be used.
  • the metal wire 4 includes a linear electrode portion 4a extending from one end side to the other end side of the glass tube in parallel with the central axis L of the discharge tube, and two winding portions 4b and 4c formed at both ends thereof. Have.
  • the metal wire 4 is fixed on the outer peripheral surface of the glass tube 2 by the two winding portions 4b and 4c.
  • the linear electrode portion 4a is fixed so as to be in close contact with the surface of the glass tube.
  • the one winding portion 4b is positioned so as to overlap the electrode terminal 3 in the central axis direction of the discharge tube when viewed from the radial direction of the discharge tube. It is also possible to firmly fix the two winding parts on the glass tube by applying a conductive paste or conductive paint between the two winding parts 4b and 4c and the glass tube and performing a baking process. It is. Further, instead of forming the winding portion, it is also possible to fix the end of the metal wire by applying and baking, for example, silver paint.
  • the AC high voltage power supply device 5 is connected between the electrode terminal 3 and the other end of the metal wire constituting the discharge electrode.
  • the AC high voltage power supply device 5 includes a high frequency generator 6 and a step-up transformer 7 and applies a discharge voltage of an AC high frequency voltage between the electrode terminal 3 and the discharge electrode 4.
  • a high frequency voltage of 3 kV to 10 kV can be used.
  • This discharge voltage is defined according to the application in consideration of the amount of ions generated, the size of the discharge tube, the gas pressure of the discharge tube, and the like. Further, the frequency range is set to a frequency range of about several tens of kHz.
  • the power source a commercial power source can be used, or a battery power source mounted on an automobile or the like can be used.
  • a discharge voltage which is an alternating high voltage
  • the rare gas enclosed in the discharge tube is converted into a plasma state and light emission starts.
  • the applied voltage is further increased, corona discharge is generated from the vicinity of the discharge electrode. That is, the rare gas in the plasma state acts as an induction electrode, and the metal wire stretched on the outer peripheral surface of the glass tube acts as a discharge electrode. Therefore, when a discharge voltage exceeding the emission start voltage of the discharge tube is applied between the electrode terminal of the monopolar discharge tube and the discharge electrode, corona discharge occurs near the discharge electrode, and positive ions and negative ions are generated by the ionization action. Is generated.
  • FIG. 2 shows an example in which the metal wire 4 constituting the discharge electrode is helically attached around the center line L of the glass tube 2.
  • the discharge electrode is spirally wound on the outer peripheral surface of the glass tube, the length of the wire for generating corona discharge can be further increased.
  • the discharge tube 1 As the discharge tube 1, a discharge tube having an outer diameter of 4 mm, an inner diameter of 3 mm, a length of 45 mm, and a xenon gas sealed at a gas pressure of 80 Torr was used.
  • the metal wire constituting the discharge electrode a stranded wire in which two nickel wires having a diameter of 0.15 mm were twisted together was used.
  • the applied voltage was gradually increased to measure the light emission start voltage of the discharge tube and the discharge start voltage of the corona discharge.
  • the light emission start voltage of the discharge tube was 1.94 kV
  • the ion generation start voltage was 2.85 kV.
  • the ion generation amount of the ion generator using the commercially available needle electrode currently marketed was also measured.
  • the measured number of ions was 28.0 ⁇ 10 4 positive ions and 30 ⁇ 10 4 negative ions.
  • the amount of ions generated by changing the distance between the glass tube and the metal wire was measured.
  • a metal wire is brought into close contact with the outer peripheral surface of the discharge tube, a 0.2 mm thick air gap is formed by interposing a tape-like spacer having a thickness of 0.2 mm, and a thickness of 0.3 mm
  • Three types of elements were formed when an air gap having a thickness of 0.3 mm was formed by interposing a tape-shaped spacer, and the amount of ions was measured.
  • the applied voltage was set to 3.76V.
  • FIG. 3 is a diagram schematically showing a contact state at the interface between the surface of the glass tube 2 constituting the discharge tube and the metal wire 4 constituting the discharge electrode.
  • the surface of the glass tube is a flat curved surface, but there are slight irregularities and undulations when viewed microscopically.
  • the surface of the metal wire 4 has minute irregularities and undulations.
  • a minute air gap is formed between the surface of the glass tube and the discharge electrode.
  • the thickness between the surface of the glass tube and the metal wire is as small as several ⁇ m to several hundred ⁇ m in addition to the minute contact point 10. It is understood that the air gap 11 is formed.
  • the rare gas inside the discharge tube is in a plasma state and constitutes an induction electrode.
  • a dielectric layer made of a glass tube and an air gap 11 are interposed between the induction electrode formed by the gas space in the plasma state and the metal wire 4 which is a discharge electrode.
  • the dielectric layer made of the glass tube and air It is understood that a corona discharge is formed through the gap, and the air in the air gap 11 is ionized by the ionization action caused by the generated corona discharge.
  • the ion generator according to the present invention uses corona discharge between a discharge tube and a discharge electrode stretched on the outer peripheral surface thereof.
  • the discharge start voltage of corona discharge is closely related to the radius of curvature of the discharge electrode, and the discharge start voltage decreases as the radius of curvature of the discharge electrode decreases. Therefore, in the present invention, it is desirable to use a stranded wire obtained by twisting a plurality of thin metal wires as the discharge electrode.
  • a stranded wire is used as the discharge electrode, a thinner metal wire is opposed to the outer peripheral surface of the discharge tube constituting the induction electrode, and the discharge start voltage can be further reduced. As a result, a one-side generator that is extremely suitable from the viewpoint of safety is realized.
  • the present invention is not limited to the above-described embodiments, and various modifications and changes can be made.
  • the metal wire constituting the discharge electrode single wires and stranded wires of various metal materials can be used. It is also possible to provide a spacer on the surface of the glass tube and form an air gap between the surface of the glass tube and the metal wire constituting the discharge electrode.
  • a spacer having a thickness of 200 to 300 ⁇ m is provided, the amount of positive ions and the amount of negative ions tend to approach the same amount, and it is necessary to generate the same amount of positive ions and negative ions.
  • An ion generator useful for high applications is realized.
  • the embodiment of the present invention has been described by taking a unipolar discharge tube as an example, it may be applied to a bipolar discharge tube.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

La présente invention a trait à un dispositif de génération d'ions qui peut être miniaturisé et qui a une efficacité de production d'ions élevée. Le dispositif de génération d'ions est équipé : d'un tube de décharge électrique monopolaire (1), qui est pourvu à la fois d'un tube de verre cylindrique (2) qui est scellé aux deux extrémités et qui renferme à l'intérieur de celui-ci un gaz noble, et d'une borne d'électrode (3) qui est insérée dans une extrémité du tube de verre et qui s'étend à l'intérieur dudit tube de verre; d'électrodes de décharge électrique (4), qui s'étendent au-dessus de la surface périphérique du tube de verre et qui sont configurées avec un fil de métal qui s'étend depuis une extrémité du tube de décharge électrique jusqu'à l'autre extrémité; et d'un dispositif de bloc d'alimentation alternatif à haute tension (5), qui est connecté entre les électrodes de décharge électrique et la borne d'électrode du tube de décharge électrique et qui applique une tension de décharge électrique qui excède la tension de démarrage d'émission de lumière du tube de décharge électrique. Lorsque la tension de décharge électrique est appliquée entre la borne d'électrode et les électrodes de décharge électrique, un effluve est généré entre le tube de décharge électrique et les électrodes de décharge électrique et des ions positifs ainsi que des ions négatifs peuvent être générés.
PCT/JP2010/061119 2009-06-30 2010-06-30 Dispositif de génération d'ions et élément de génération d'ions WO2011002006A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011520945A JP4918628B2 (ja) 2009-06-30 2010-06-30 イオン発生装置及びイオン発生素子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-155520 2009-06-30
JP2009155520 2009-06-30

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WO2011002006A1 true WO2011002006A1 (fr) 2011-01-06

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014015378A (ja) * 2012-07-11 2014-01-30 Ihi Shibaura Machinery Corp オゾナイザ
US9549275B2 (en) 2011-07-01 2017-01-17 Dolby Laboratories Licensing Corporation System and tools for enhanced 3D audio authoring and rendering
KR20170084130A (ko) * 2014-11-10 2017-07-19 일리노이즈 툴 워크스 인코포레이티드 가변 압력 환경에서의 균형 잡힌 장벽 방전 중화
CN107301938A (zh) * 2017-07-29 2017-10-27 苏州志佳电子科技有限公司 离子流的发生方法以及具有螺旋放电电极的离子发生器
JP2017216287A (ja) * 2016-05-30 2017-12-07 日本特殊陶業株式会社 基板支持部材及び給電端子
JP2017228485A (ja) * 2016-06-24 2017-12-28 ウシオ電機株式会社 イオン発生方法およびイオン発生装置
CN108281886A (zh) * 2018-01-22 2018-07-13 武汉中科博大环保工程有限公司 一种高能活性氧离子发生器
US10099226B2 (en) * 2015-07-20 2018-10-16 Hilgenberg GmbH Ionization device
WO2022215623A1 (fr) * 2021-04-08 2022-10-13 シャープ株式会社 Dispositif de décharge et climatiseur
EP4383953A1 (fr) * 2022-12-08 2024-06-12 DBD Plasma GmbH Capteur ionique pour la régulation de la puissance d'un générateur de plasma
WO2024121299A1 (fr) * 2022-12-08 2024-06-13 DBD Plasma GmbH Capteur d'ions pour la régulation de la puissance d'un générateur de plasma

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000154006A (ja) * 1998-11-13 2000-06-06 Pcs:Kk 励起オゾン発生装置
JP2001079446A (ja) * 1999-09-13 2001-03-27 Mitsubishi Electric Corp 放電ユニット
JP2005216763A (ja) * 2004-01-30 2005-08-11 Hiroshi Motokawa イオン化気流発生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000154006A (ja) * 1998-11-13 2000-06-06 Pcs:Kk 励起オゾン発生装置
JP2001079446A (ja) * 1999-09-13 2001-03-27 Mitsubishi Electric Corp 放電ユニット
JP2005216763A (ja) * 2004-01-30 2005-08-11 Hiroshi Motokawa イオン化気流発生装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9549275B2 (en) 2011-07-01 2017-01-17 Dolby Laboratories Licensing Corporation System and tools for enhanced 3D audio authoring and rendering
JP2014015378A (ja) * 2012-07-11 2014-01-30 Ihi Shibaura Machinery Corp オゾナイザ
KR20170084130A (ko) * 2014-11-10 2017-07-19 일리노이즈 툴 워크스 인코포레이티드 가변 압력 환경에서의 균형 잡힌 장벽 방전 중화
JP2018500723A (ja) * 2014-11-10 2018-01-11 イリノイ トゥール ワークス インコーポレイティド 変動圧力環境におけるバランスのとれたバリア放電中和
KR102509754B1 (ko) * 2014-11-10 2023-03-13 일리노이즈 툴 워크스 인코포레이티드 가변 압력 환경에서의 균형 잡힌 장벽 방전 중화
US10099226B2 (en) * 2015-07-20 2018-10-16 Hilgenberg GmbH Ionization device
JP2017216287A (ja) * 2016-05-30 2017-12-07 日本特殊陶業株式会社 基板支持部材及び給電端子
JP2017228485A (ja) * 2016-06-24 2017-12-28 ウシオ電機株式会社 イオン発生方法およびイオン発生装置
CN107301938A (zh) * 2017-07-29 2017-10-27 苏州志佳电子科技有限公司 离子流的发生方法以及具有螺旋放电电极的离子发生器
CN108281886A (zh) * 2018-01-22 2018-07-13 武汉中科博大环保工程有限公司 一种高能活性氧离子发生器
WO2022215623A1 (fr) * 2021-04-08 2022-10-13 シャープ株式会社 Dispositif de décharge et climatiseur
EP4383953A1 (fr) * 2022-12-08 2024-06-12 DBD Plasma GmbH Capteur ionique pour la régulation de la puissance d'un générateur de plasma
WO2024121299A1 (fr) * 2022-12-08 2024-06-13 DBD Plasma GmbH Capteur d'ions pour la régulation de la puissance d'un générateur de plasma

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Publication number Publication date
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