WO2014002960A1 - 除電器 - Google Patents

除電器 Download PDF

Info

Publication number
WO2014002960A1
WO2014002960A1 PCT/JP2013/067271 JP2013067271W WO2014002960A1 WO 2014002960 A1 WO2014002960 A1 WO 2014002960A1 JP 2013067271 W JP2013067271 W JP 2013067271W WO 2014002960 A1 WO2014002960 A1 WO 2014002960A1
Authority
WO
WIPO (PCT)
Prior art keywords
static eliminator
ions
conductor
air flow
housing
Prior art date
Application number
PCT/JP2013/067271
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
格 無類井
Original Assignee
シャープ株式会社
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.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201380033943.8A priority Critical patent/CN104429167A/zh
Publication of WO2014002960A1 publication Critical patent/WO2014002960A1/ja

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere

Definitions

  • the present invention relates to a static eliminator that neutralizes a charged member to be neutralized by releasing positive ions and negative ions.
  • a static eliminator that discharges positive and negative ions has been used as one of the static eliminators that neutralize charged static elimination objects.
  • This static eliminator generates positive ions and negative ions by applying a high voltage to the electrodes to separate molecules in the air.
  • the performance of a static eliminator is evaluated by two indicators: a static elimination time required to neutralize a static elimination object, and an ion balance for bringing the wall potential after the static elimination of the static elimination object close to zero. And in order to satisfy the static elimination time and ion balance of the static eliminator, it is required to release many positive and negative ions in a balanced manner.
  • the ion generator 40 of Patent Document 1 is a conductive material in which an ion emission opening 44 is formed in a case 43 containing an ion generation element 42 that generates ions by discharge from a discharge electrode 41.
  • a cover 45 made of a functional material is provided.
  • the conductive material cover 45 is grounded via the limiting resistor 46, whereby charging of the cover 45 and retention of ions in the opening 44 are suppressed, and the generated ions are efficiently discharged.
  • the ion generator of Patent Document 2 has a discharge electrode made up of a needle electrode 52 and a negative ion generator made up of a high-voltage power supply 53 in a main body case 51 made of ABS. Connected to. Then, only the negative ion blowout port 54 is used as a semiconductor, and the semiconductor is grounded to the ground 57 so that the charge is not generated, and even when the human body touches the blowout port 54, the human body is not affected. .
  • the air conditioner of Patent Document 3 has a conductor 62 installed in the vicinity of the negative ion generator 61, and left and right honey 67 and upper and lower honey 68 arranged in the vicinity of the negative ion generator 61.
  • a conductor By using a conductor, charging can be suppressed by discharging from the conductor, and dust and the like can be prevented from adhering to the wall surface on which the base frame 66 and the air conditioner are installed.
  • JP 2009-135027 A JP-A-11-191478 JP2007-107826
  • Patent Document 1 has a problem in that the balance between positive ions and negative ions released is disturbed. This is because negative ions are more mobile than positive ions, so negative ions are more likely to be collected at the grounded location, resulting in more positive ions being released and losing ion balance. It is considered.
  • the ion generator of Patent Document 2 and the air conditioner of Patent Document 3 also have negative ions in the semiconductor or conductor disposed in the vicinity of the ion outlet 4 or the ion generator 1. It is collected preferentially, and as a result, more positive ions are released. For this reason, there exists a problem that ion balance collapses.
  • Patent Documents 1 to 3 prevent charging by focusing only on the fact that ions released from the ion generator do not stay in the casing, it is required to discharge positive and negative ions in a balanced manner. It could not be applied to a static eliminator or the like.
  • the present invention has been made in view of such circumstances, and realizes a static eliminator that suppresses charging of the casing without lowering the static elimination speed and ion balance of the static eliminator.
  • the static eliminator of the present invention includes an electrode that generates ions in the air, a blower that blows air to the electrode, and a casing that includes the electrode and the blower, and the ions are discharged within the casing.
  • the casing is characterized in that an insulating resin is used as a base material, and a conductive material is formed on the insulating resin by applying a conductive paint.
  • the housing is characterized in that an insulating resin is used as a base material and a metal foil is disposed on the insulating resin to form a conductor.
  • the housing is characterized in that a conductive body is formed using a conductive resin as a base material, and an insulating resin is disposed on a wall surface in contact with the air flow of the conductive resin.
  • the housing is characterized in that the conductor is electrically grounded.
  • the static eliminator of the present invention it is possible to suppress charging of the static eliminator housing without lowering the static elimination speed or ion balance of the static eliminator.
  • FIG. 1 is a cross-sectional view illustrating a static eliminator of Example 1.
  • FIG. It is sectional drawing which shows the modification of the static eliminator of Example 1.
  • FIG. It is sectional drawing which shows the modification of the static eliminator of Example 1.
  • FIG. 6 is a cross-sectional view illustrating a static eliminator of Example 2.
  • FIG. It is sectional drawing which shows the ion generator of patent document 1.
  • FIGS. 1 to 5 An embodiment of the present invention will be described with reference to FIGS. 1 to 5 as follows.
  • the configuration described below is only a specific example of the present invention, and the present invention is not limited to this.
  • FIG. 1 is a cross-sectional view showing a basic configuration of a static eliminator 10 of the present invention.
  • the static eliminator 10 of the present invention includes a discharge electrode 1 that generates ions in the air, a voltage applying unit 2 that applies a discharge voltage to the discharge electrode 1, a blower 3 that blows air to the discharge electrode 1, and a discharge electrode 1. And a housing 4 that encloses the blower 3, and discharges an air flow 8 containing ions generated by the discharge electrode 1 from the blowout port 5 to discharge a charged charge removal object.
  • the static eliminator 10 is characterized in that the conductor is arranged only on the wall surface 4b where the air flow 8 containing ions does not contact in the housing 4 except for the wall surface 4a where the air flow 8 containing ions contacts.
  • the air flow 8 including ions described in the present invention is the air from when the air blown from the blower 3 is mixed with the ions generated by the discharge electrode 1 until it is discharged to the outside of the outlet 5. It is the flow of.
  • the wall surface 4a region in contact with the air flow 8 containing ions is shown by a broken line
  • the wall surface 4b region not in contact with the air flow 8 containing ions is shown by a one-dot chain line.
  • the air flow may vary depending on the shape of the casing 4 of the static eliminator 10, the position of the blower 3, and the like.
  • the static eliminator 10 of the present invention collects ions generated from the discharge electrode 1 because the conductor 4 is not disposed on the wall surface 4a in contact with the air flow 8 containing ions because the housing 4 has the above-described characteristics. In this case, the static elimination speed and ion balance are prevented from being lowered, and the casing 4 is charged by ions floating outside from the conductor disposed on the wall surface 4b where the air flow 8 containing ions does not contact. Since it is neutralized, it can be suppressed.
  • FIG. 2 is a cross-sectional view showing the configuration of the static eliminator 11 of the first embodiment.
  • the same reference numerals are given to portions common to the basic configuration shown in FIG. 1, and detailed description thereof is omitted.
  • the base material of the entire housing 4 including the blowout port 5 is formed of an insulating member such as a resin.
  • the conductive paint 6 which becomes a conductor is applied only to the wall surface 4b where the air flow 8 containing ions does not contact.
  • FIG. 2 shows a case where the conductive paint 6 is applied to the entire surface of the wall surface 4b.
  • the portion where the conductive paint 6 is applied is a portion where the air flow 8 containing ions does not contact, It may be a part.
  • it may be only a portion with a large area of the wall surface 4 b, or only a portion that is easily charged, such as near the outside of the outlet 5, as shown in FIG. 4.
  • the insulating member such as resin is exposed on the wall surface 4a in contact with the air flow 8 containing the ions in the housing 4 and no conductor is present, the ions generated from the discharge electrode 1 are collected. Therefore, the charge removal rate and the ion balance can be prevented from being lowered, and charging of the housing 4 can be suppressed by the conductor formed on the wall surface 4b of the housing 4.
  • the conductive paint 6 for example, a paint containing a metal powder of a Ni-based alloy is used.
  • the conductive paint 6 is applied only on the wall surface 4b where the air flow containing the ions of the casing 4 does not contact with a film thickness of about 20 ⁇ m.
  • a conductor having a rate of about 5.0 ⁇ is formed.
  • the static elimination performance was evaluated by three items: static elimination speed, ion balance, and charge amount of the casing.
  • the static elimination rate and ion balance were measured using a charged plate monitor (MODEL 159HH) manufactured by Lec Japan. Further, the amount of charge on the housing was measured using a wall potential meter (Electrostatic Voltmeter MODEL 347) manufactured by Trek Japan.
  • the static elimination speed is a time required for static elimination from a charge potential of +1000 V to +100 V and a charge potential of the static elimination object from +1000 V to +100 V with a metal plate having a size of 150 ⁇ 150 mm and a capacitance of 20 pF.
  • the required time was measured, and the static elimination rate was evaluated from both average times. The shorter the average time required for the above static elimination, the faster the static elimination speed, and the higher the static elimination capability of the static eliminator.
  • the ion balance was evaluated by measuring the surface potential of the metal plate, which is the object of charge removal, for 10 seconds and calculating the average potential. The closer the average potential of the surface of the metal plate that has been neutralized is to 0V, the better the ion balance, and the higher the neutralization performance of the static eliminator. In addition, the static elimination speed and the ion balance were measured at a position where the distance from the static eliminator is 300 mm at one representative point on the front of the static eliminator.
  • the charge amount of the static eliminator 11 was measured at one representative point on the wall surface 4b of the housing 4 by measuring the surface potential with a surface potential meter. If the value of the charge amount is about several tens of volts or less, it can be generally determined that there is no problem.
  • Comparative Example 1 there was no problem in the static elimination time and ion balance, but the case charge amount was large, and it was confirmed that the casing 4 was charged by the ions released from the static eliminator 11. In Comparative Example 1, there was no problem with the static elimination time and the case charge amount, but it was confirmed that the ion balance was greatly biased toward the positive electrode side.
  • the static eliminator 11 includes the electrode 1 that generates ions in the air, the blower 3 that blows air to the electrode 1, and the casing 4 that includes the electrode 1 and the blower 3.
  • An air flow containing ions is generated and discharged to the outside, and by having a conductor only on the wall surface 4b where the air flow containing ions does not contact, maintaining a good ion balance and static elimination time, The charging of the casing 4 could be eliminated.
  • the conductive paint 6 is used as the conductor.
  • the conductor is not limited to this and may be any member having conductivity, and conductive by metal foil, metal plating, or the like. You may form a body.
  • FIG. 5 is a cross-sectional view showing the configuration of the static eliminator 12 of the second embodiment. Portions common to the basic configuration shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the entire base material constituting the casing 4 is configured by a member such as conductive ABS having conductivity, and the wall surface 4a in contact with the air flow including ions of the casing 4 is disposed on the wall surface 4a.
  • the resin plate 7 having insulating properties is pasted.
  • an insulating member is used as a member constituting the case of the discharge electrode 1, the blower 3, and the outlet 5.
  • the resin ABS 7 is attached to a portion where the conductive ABS base material of the housing 4 is exposed and the air flow 8 containing ions contacts.
  • the wall surface 4a in contact with the air flow 8 containing ions in the casing 4 loses conductivity due to the insulating resin plate 7, and the ions generated from the discharge electrode 1 are not collected, and the static elimination speed is reduced.
  • the wall balance 4b exposed to external floating ions has conductivity due to the conductive ABS or the like serving as the base material of the casing 4, so that the casing 4 is charged. Can be suppressed.
  • the static eliminator 11 of Example 2 is made of conductive ABS as a base material constituting the casing 4, and is provided with an insulating resin on the wall surface 4a in contact with the air flow 8 containing ions.
  • the charge removal performance was measured, the charge removal time was 2.0 seconds, the ion balance was +2 V, and the charge amount of the enclosure was ⁇ 5 V to +5 V.
  • Comparative Example 3 it is possible to suppress the charging of the housing 4 by using conductive ABS as a base material constituting the housing 4.
  • the wall surface 4a with which the air flow 8 containing ions comes into contact has conductivity, resulting in a loss of ion balance. This can be explained by the fact that when there is a conductor in the vicinity of the electrode 1 where ions are generated, negative ions having high mobility are collected and reduced by the conductor.
  • the static eliminator 11 includes the electrode 1 that generates ions in the air, the blower 3 that blows air to the electrode 1, and the casing 4 that includes the electrode 1 and the blower 3.
  • An air flow 8 containing ions is generated inside and released to the outside.
  • a conductor was formed using the housing 4 as a base material of a conductive resin, and an insulating resin was disposed on the wall surface 4a on the conductive resin with which an air flow containing ions comes into contact. Thereby, the charge of the housing 4 could be eliminated while maintaining a good ion balance and static elimination time.
  • the present invention relates to a static eliminator that ionizes air by applying a high voltage to an electrode to generate positive ions and negative ions, and removes the charge of an object charged by the ions.
  • the invention relates to a means for suppressing charging of the housing.
  • the present invention it is possible to solve the problem of charging of the housing without deteriorating the static elimination performance of the static eliminator such as the static elimination speed and ion balance. As a result, it is possible to contribute to the expansion of the range of use of the static eliminator for electronic devices that are becoming finer.

Landscapes

  • Elimination Of Static Electricity (AREA)
PCT/JP2013/067271 2012-06-28 2013-06-24 除電器 WO2014002960A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380033943.8A CN104429167A (zh) 2012-06-28 2013-06-24 除电器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-145243 2012-06-28
JP2012145243A JP2014010946A (ja) 2012-06-28 2012-06-28 除電器

Publications (1)

Publication Number Publication Date
WO2014002960A1 true WO2014002960A1 (ja) 2014-01-03

Family

ID=49783106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/067271 WO2014002960A1 (ja) 2012-06-28 2013-06-24 除電器

Country Status (3)

Country Link
JP (1) JP2014010946A (zh)
CN (1) CN104429167A (zh)
WO (1) WO2014002960A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3193417A1 (en) * 2016-01-12 2017-07-19 Naturion Pte. Ltd. Ion generator device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004116922A (ja) * 2002-09-27 2004-04-15 Hitachi Hometec Ltd 液体燃料燃焼暖房機
JP2011096583A (ja) * 2009-10-30 2011-05-12 Panasonic Electric Works Sunx Co Ltd 除電装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050052815A1 (en) * 2003-09-09 2005-03-10 Smc Corporation Static eliminating method and apparatus therefor
CN201001233Y (zh) * 2006-12-30 2008-01-02 上海安平静电科技有限公司 安全型离子棒
JP2011060537A (ja) * 2009-09-09 2011-03-24 Three M Innovative Properties Co 除電装置
CN101969736A (zh) * 2010-11-03 2011-02-09 北京聚星创源科技有限公司 离子发生系统及控制离子平衡度的方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004116922A (ja) * 2002-09-27 2004-04-15 Hitachi Hometec Ltd 液体燃料燃焼暖房機
JP2011096583A (ja) * 2009-10-30 2011-05-12 Panasonic Electric Works Sunx Co Ltd 除電装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3193417A1 (en) * 2016-01-12 2017-07-19 Naturion Pte. Ltd. Ion generator device
CN107039888A (zh) * 2016-01-12 2017-08-11 尔森私人有限公司 离子生成装置
US10137459B2 (en) 2016-01-12 2018-11-27 Naturion Pte. Ltd. Ion generator device
CN107039888B (zh) * 2016-01-12 2019-11-08 尔森私人有限公司 离子生成装置

Also Published As

Publication number Publication date
JP2014010946A (ja) 2014-01-20
CN104429167A (zh) 2015-03-18

Similar Documents

Publication Publication Date Title
US10744516B2 (en) Electrostatic dust collecting module an electrostatic air purifier thereof
TW200537991A (en) Corona discharge type ionizer
JP5937918B2 (ja) イオン発生装置およびこれを備えた除電装置
JP4407194B2 (ja) イオン発生装置用放電ブロック
WO2009059451A1 (fr) Précipitateur électrostatique
JP2008536284A (ja) 可撓型軟ｘ線イオナイザ
WO2014002960A1 (ja) 除電器
JP4868066B2 (ja) イオン発生器
JPH11191478A (ja) イオン発生装置
US2817413A (en) Electrostatic precipitators
JPWO2015076155A1 (ja) イオン発生器
WO2013121669A1 (ja) イオン発生素子及びそれを備えたイオン発生装置
JP4002948B2 (ja) イオン生成装置
JP2689334B2 (ja) コロナ放電用針状電極およびその電極を用いたイオン発生器
JP2004192993A (ja) マイナスイオン発生装置、その製造方法及び空気清浄機、空調機器
JP2004055317A (ja) ノズル型除電装置
JP5303020B2 (ja) イオン発生装置及び空気清浄装置
TW518641B (en) Ionizer
CN104078447B (zh) 过电压保护元件及其制备方法
JP2020024845A (ja) イオン風生成機の制御方法
JP5193699B2 (ja) イオン発生装置
JP7202575B2 (ja) 電子装置、及び電子装置の製造方法
JP2013202480A (ja) 電気集塵装置
JP2011171189A (ja) サージアブソーバ
US20140347772A1 (en) Over-voltage protection device and method for preparing the same

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13809762

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13809762

Country of ref document: EP

Kind code of ref document: A1