JP3016151B2 - air purifier - Google Patents

air purifier

Info

Publication number
JP3016151B2
JP3016151B2 JP2071143A JP7114390A JP3016151B2 JP 3016151 B2 JP3016151 B2 JP 3016151B2 JP 2071143 A JP2071143 A JP 2071143A JP 7114390 A JP7114390 A JP 7114390A JP 3016151 B2 JP3016151 B2 JP 3016151B2
Authority
JP
Japan
Prior art keywords
electrode
voltage
power supply
ionizer
discharge
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2071143A
Other languages
Japanese (ja)
Other versions
JPH03270744A (en
Inventor
閃一 増田
Original Assignee
増田 佳子
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 増田 佳子 filed Critical 増田 佳子
Priority to JP2071143A priority Critical patent/JP3016151B2/en
Publication of JPH03270744A publication Critical patent/JPH03270744A/en
Application granted granted Critical
Publication of JP3016151B2 publication Critical patent/JP3016151B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Electrostatic Separation (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] この発明は自動車、船舶、航空機および一般の建物等
の室内または各種の工場および作業所等における空気中
に浮遊するダストを除去するための空気清浄器に関する
ものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to air for removing dust floating in the air in rooms such as automobiles, ships, aircraft and general buildings, or in various factories and work places. It relates to a purifier.

さらに述べればその空気清浄器内の集塵部を構成する
高圧側電極に高電圧を印加するための電源の配置等の改
良に関するものである。
More specifically, the present invention relates to an improvement such as an arrangement of a power supply for applying a high voltage to a high-voltage side electrode constituting a dust collecting portion in the air purifier.

[従来の技術] 従来の空気清浄器は空気通路内にその上流から順次放
電電極に対向電極を対向してなるアイオナイザと、高圧
側電極に低圧側電極を対向してなる集塵部を設け、その
アイオナイザの放電電極と対向電極の間に直流高圧電源
を接続するとともに、該集塵部の高圧側電極と低圧側電
極との間に直流高圧電源を接続して、空気通路内に供給
される塵埃を含んだ空気を供給して、その空気中の塵埃
を前記アイオナイザで荷電し、この荷電された塵埃を集
塵部の高圧側電極と低圧側電極との間に送って、この間
に生ずる電界の作用で該高圧側電極と低圧側電極のいず
れかの電極に集塵するものである。
[Prior art] A conventional air purifier is provided with an ionizer in which an opposing electrode is opposed to a discharge electrode sequentially from the upstream in an air passage, and a dust collecting portion in which a low-pressure electrode is opposed to a high-pressure electrode. A DC high-voltage power supply is connected between the discharge electrode and the counter electrode of the ionizer, and a DC high-voltage power supply is connected between the high-voltage side electrode and the low-voltage side electrode of the dust collecting section, and supplied into the air passage. Dust-containing air is supplied, and the dust in the air is charged by the ionizer, and the charged dust is sent between the high-voltage side electrode and the low-voltage side electrode of the dust collection unit, and the electric field generated therebetween. The dust is collected on any one of the high-voltage side electrode and the low-voltage side electrode by the action of.

したがって、前記集塵部の高圧側電極と低圧側電極と
の間における空間の湿度が高くなったり、或はその間に
設けられたミニプリーツフィルタにダストが詰まったり
して、前記両電極間の電気抵抗が著しく低下すると、そ
の間に直流高圧電源からの電流が過剰に流れて、火災の
原因になるおそれがある。
Therefore, the humidity in the space between the high-pressure side electrode and the low-pressure side electrode of the dust collecting section becomes high, or dust is clogged in the mini-pleated filter provided therebetween, so that the electric current between the two electrodes is reduced. If the resistance is significantly reduced, excessive current may flow from the DC high-voltage power supply during that time, which may cause a fire.

[解決しようとする発明の課題] この発明の目的は、湿度の高い室内で使用してその集
塵部の高圧側電極と低圧側電極の間の空間、あるいはこ
の間に設けられているフィルタの層の内部にダストや水
分が入り込んで、電気抵抗が低下しても、その電源から
の過電流が流れないようにして、該フィルタの焼損は勿
論、建物等の火災を未然に防止することである。
[Problems of the Invention to be Solved] An object of the present invention is to provide a space between a high-pressure side electrode and a low-pressure side electrode of a dust collecting portion used in a room with high humidity, or a filter layer provided therebetween. Even if dust or moisture enters the inside of the filter and the electric resistance is lowered, overcurrent from the power supply is prevented from flowing to prevent burning of the filter and fire of a building or the like. .

[課題を解決するための手段] この発明の空気清浄器は、空気通路内にその上流から
順次放電電極に対向電極を対向してなるアイオナイザ
と、高圧電極に接地電極を対向してなる集塵部を設けた
空気清浄器において、該アイオナイザの放電電極に直流
高圧電源の高圧出力側を接続し、また、該アイオナイザ
の対向電極と該集塵部の接地電極を該直流高圧電源の接
地側に接続した上で、該集塵部の高圧電極を該直流高圧
電源および大地からフロートさせるとともに、該アイオ
ナイザの放電電極と対向して配置することで該放電電極
と該集塵部の高圧電極間でもコロナ放電を発生させるも
のである。
Means for Solving the Problems The air purifier of the present invention includes an ionizer in which an opposing electrode is sequentially opposed to a discharge electrode in an air passage from the upstream thereof, and a dust collector in which a ground electrode is opposed to a high-voltage electrode. In the air purifier provided with the unit, the high-voltage output side of the DC high-voltage power supply is connected to the discharge electrode of the ionizer, and the counter electrode of the ionizer and the ground electrode of the dust collection unit are connected to the ground side of the DC high-voltage power supply. After the connection, the high-voltage electrode of the dust collection unit is floated from the DC high-voltage power supply and the ground, and is arranged opposite to the discharge electrode of the ionizer, so that the high-voltage electrode of the dust collection unit can also be connected between the discharge electrode and the high-pressure electrode of the dust collection unit. This is to generate corona discharge.

またこの発明の空気清浄器は、空気通路内にその上流
から順次放電電極に対向電極を対向してなるアイオナイ
ザと、高圧電極に接地電極を対向してなる集塵部を設け
た空気清浄器において、該アイオナイザの放電電極に直
流高圧電源の高圧出力側を接続し、また、該アイオナイ
ザの対向電極と該集塵部の接地電極を該直流高圧電源の
接地側に接続した上で、該集塵部の高圧電極と前記高圧
直流電源の高圧出力側を限流高抵抗を介して接続すると
ともに、該高圧電極と接地電極とを分圧高抵抗を介して
接続するものである。
Further, the air purifier of the present invention is an air purifier provided with an ionizer in which an opposing electrode is sequentially opposed to a discharge electrode in an air passage from an upstream thereof and a dust collecting portion in which a ground electrode is opposed to a high voltage electrode. The high-voltage output side of the DC high-voltage power supply is connected to the discharge electrode of the ionizer, and the counter electrode of the ionizer and the ground electrode of the dust collection section are connected to the ground side of the DC high-voltage power supply. The high-voltage electrode of the unit is connected to the high-voltage output side of the high-voltage DC power supply via a current-limiting high resistance, and the high-voltage electrode and the ground electrode are connected via a partial-voltage high resistance.

[作用] 塵埃を含んだ汚染空気を清浄化しようとする室内に本
発明の空気清浄器を据え付けて、その汚染されている空
気を該空気清浄器の空気通路の入口から出口に向けて流
動し、該空気通路内を流動中の前記塵埃を含有している
空気をまずそのアイオナイザで塵埃粒子を荷電し、次に
アイオナイザの放電電極からのコロナ放電によるイオン
電流の流入によって高電圧に保持された高圧側電極と、
アイオナイザの対向電極に接続された低圧側電極を有す
る集塵部に静電付着して前記空気中に含有さている塵埃
を除去する。この際、集塵部を構成する高圧側電極と低
圧側電極の互いに対向する空間又はこの空間内に設けら
れているミニプリーツ形フイルタに塵埃や水分が付着し
て、両電極間の電気抵抗が低下しても、該集塵部を構成
する高圧側電極に上記放電電極から流入するイオン電流
はコロナ間隙の存在によって常にある値以下に抑えられ
ているので、該両電極間に過大な電流の流れることがな
い。
[Operation] The air purifier of the present invention is installed in a room where dust-containing contaminated air is to be cleaned, and the contaminated air flows from the inlet to the outlet of the air passage of the air purifier. The air containing the dust flowing in the air passage was first charged with dust particles by the ionizer, and then maintained at a high voltage by the flow of ion current due to corona discharge from the discharge electrode of the ionizer. A high pressure side electrode,
The dust contained in the air is removed by electrostatically adhering to the dust collecting portion having the low-voltage side electrode connected to the opposite electrode of the ionizer. At this time, dust or moisture adheres to the opposing space of the high-voltage side electrode and the low-voltage side electrode constituting the dust collection part or the mini-pleated filter provided in this space, and the electric resistance between the two electrodes is reduced. Even if it decreases, the ion current flowing from the discharge electrode to the high-pressure side electrode constituting the dust collecting portion is always suppressed to a certain value or less due to the presence of the corona gap. Does not flow.

[実施例] この発明の実施例を添付図面によって説明すると、ケ
ーシング1内に形成された空気通路2にその入口2aから
出口2bに向かって、順次金網等で構成されているスクリ
ーン3、放電電極4aと接地された対向電極4bを互いに空
間4cを隔てて配設されているアイオナイザ4、該放電電
極4aと対向し、かつ、直流高圧電源5及び大地Eより絶
縁されている金網等のフロート電極6、プラスチック絶
縁フィルム7aの側面に導電層7bを形成してなる高圧側電
極7と、絶縁フイルム8aの側面に導電層8bを形成してな
る低圧側電極8を互いに空間10を隔てて配設されている
集塵部11を設け、該アイオナイザ4の放電電極4aと対向
電極4bとの間に、直流高圧電源5を接続して直流電界を
形成すると共に放電電極4aより対向電極4bに向って直流
コロナ放電を発生せしめ、又、該放電電極4aから前記フ
ロート電極6に向けても直流コロナ放電を発生せしめて
放電電極4aよりフロート電極6にイオン電流を供給する
ことにより、そのフロート電極6に自動的にバイアス直
流電圧を生ぜしめ、そのフロート電極6と該集塵部11の
高圧側電極7とを電線9で接続し、低圧側電極8を電線
13で大地Eに接地して、その高圧側電極7と低圧側電極
8との間の空間10に直流電界を形成する。
[Embodiment] An embodiment of the present invention will be described with reference to the accompanying drawings. A screen 3, which is constituted by a wire mesh or the like in order from an inlet 2a to an outlet 2b in an air passage 2 formed in a casing 1, a discharge electrode A counter electrode 4b grounded to 4a and an ionizer 4 disposed with a space 4c therebetween, and a float electrode such as a wire mesh facing the discharge electrode 4a and insulated from the DC high-voltage power supply 5 and the ground E. 6. A high-voltage side electrode 7 having a conductive layer 7b formed on the side surface of a plastic insulating film 7a and a low-voltage side electrode 8 having a conductive layer 8b formed on a side surface of an insulating film 8a are arranged with a space 10 therebetween. A dust collector 11 is provided, and a high-voltage DC power supply 5 is connected between the discharge electrode 4a and the counter electrode 4b of the ionizer 4 to form a DC electric field, and the discharge electrode 4a is directed toward the counter electrode 4b. Generates DC corona discharge Also, a direct current corona discharge is generated from the discharge electrode 4a toward the float electrode 6 and an ion current is supplied from the discharge electrode 4a to the float electrode 6, so that the bias electrode is automatically biased to the float electrode 6. A voltage is generated, the float electrode 6 is connected to the high voltage side electrode 7 of the dust collecting section 11 by an electric wire 9, and the low voltage side electrode 8 is connected to an electric wire.
At 13, it is grounded to the ground E to form a DC electric field in the space 10 between the high-voltage side electrode 7 and the low-voltage side electrode 8.

塵埃等を含む汚染された空気2cをこの空気清浄器の空
気通路2内にその入り口2aからスクリーン3を経て送り
込み、その際汚染された空気2c中の塵埃は直流高圧電源
5に接続されているアイオナイザ4を通過する際、そこ
で負コロナ放電によって生じた負イオンの射突をうけて
負極性に荷電され、大地から絶縁されているフロート電
極6と接続されている高圧側電極7と低圧側電極8との
間の空間10を通過する際、その間の電界の作用で低圧側
電極8の表面に付着し、清浄空気2dとなって排気扇12で
出口2bから外気中に放出するものである。この際周囲の
湿度が高い場合、集塵部11を構成する低圧側電極8に塵
埃が電極間をブリッヂするほど厚く付着して、その低圧
側電極8と高圧側電極7との間の空間10の絶縁性が低下
しても、その高圧側電極7には直流高圧電源5が直接接
続されていないで、フロート電極6に接続されているの
で、前記高圧側電極7と低圧側電極8との間に、過電流
が流れず、焼損のおそれがない。
The contaminated air 2c containing dust and the like is sent into the air passage 2 of the air purifier from the entrance 2a through the screen 3, and the dust in the contaminated air 2c is connected to the DC high-voltage power supply 5. When passing through the ionizer 4, the high-voltage side electrode 7 and the low-voltage side electrode connected to the float electrode 6, which is negatively charged by being hit by negative ions generated by negative corona discharge and is insulated from the ground, When the air passes through the space 10 between the electrode 8 and the electrode 8, the air adheres to the surface of the low-voltage side electrode 8 due to the action of the electric field therebetween, becomes clean air 2 d, and is discharged from the outlet 2 b into the outside air by the exhaust fan 12. At this time, when the surrounding humidity is high, the dust adheres to the low-voltage side electrode 8 constituting the dust collecting portion 11 so thickly that the gap between the electrodes bridges, and the space 10 between the low-voltage side electrode 8 and the high-pressure side electrode 7. Even if the insulation of the high-voltage side electrode 7 is lowered, the high-voltage side electrode 7 is not directly connected to the DC high-voltage power supply 5 but is connected to the float electrode 6, so that the high-voltage side electrode 7 and the low-voltage side electrode 8 During that time, no overcurrent flows and there is no risk of burning.

以上本発明の実施例を添付図面について述べたが、本
発明はその図面に記載せるものに限定されるものでな
く、その要旨の範囲において部分的に変更したり、或は
付加したりして実施することも可能である。
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to those shown in the drawings, and may be partially modified or added within the scope of the gist. It is also possible to carry out.

たとえば集塵部の電極は絶縁フィルムの両側面に高圧
側電極と低圧側電極を配置したものでもよく、また更に
そのいづれかを別の絶縁フィルムでおおってもよく、そ
の実現方法は千差万別であってもよい。
For example, the electrode of the dust collecting part may be one in which the high-voltage side electrode and the low-voltage side electrode are arranged on both sides of the insulating film, or one of them may be covered with another insulating film. It may be.

第2図及び第3図に示す実施例は別の実施例であっ
て、前記第1図の実施例の集塵部11の構造を変更したも
のであって、高圧側電極7と低圧側電極8との間の空間
10に波形のプラスチック絶縁フイルム14を介入したもの
であり、アイオナイザ4で荷電された塵埃は前記波形プ
ラスチック絶縁フイルム14で仕切られた空間10を通る
際、低圧側電極8および絶縁フイルム14に付着するが、
この場合も両電極7、8間の電気抵抗が湿度の影響をう
けて著しく低下しても、高圧側電極7はフロート電極6
に接続されていて直流高圧電源5に直接接続されていな
いので、該両電極7、8間に過電流の流れるおそれがな
い。
The embodiment shown in FIGS. 2 and 3 is another embodiment in which the structure of the dust collecting portion 11 of the embodiment shown in FIG. 1 is changed, and the high voltage side electrode 7 and the low voltage side electrode are different. Space between 8
In this embodiment, a corrugated plastic insulating film 14 is interposed in the dust 10, and dust charged by the ionizer 4 adheres to the low voltage side electrode 8 and the insulating film 14 when passing through the space 10 partitioned by the corrugated plastic insulating film 14. But,
Even in this case, even if the electrical resistance between the two electrodes 7 and 8 is significantly reduced due to the influence of humidity, the high-pressure side electrode 7 is not connected to the float electrode 6.
, And is not directly connected to the DC high-voltage power supply 5, so that there is no possibility that an overcurrent flows between the electrodes 7 and 8.

第4図に示す実施例は前記第1図の実施例に於いて、
その集塵部11をミニプリーツ型フイルタ15で構成したも
のである。そしてその詳細は第5図及び第6図に示すご
とく、上流側と下流側の稜線上に導電性塗料を塗布する
等の方法で設けた高圧側電極16及び低圧側電極17に挟持
された通気性のシート状フィルタエレメント18を、ジグ
ザグ状に折り曲げて形成する山型面19の相互間を、その
高さh方向に沿って線状に突設された複数の合成樹脂の
紐20で互いに接着21すると共に、開放部22,23を交互に
反対向きに形成する空間c1,c2を復数個重合してなるも
のであり、前記の塵埃を含んだ空気は上記開放部22から
空間c1に入り込み、シート状フィルタエレメント18を矢
印A18の如く通り抜けて隣接する他の空間c2に入り、そ
の反対向きの解放部23から清浄空気になって排出される
ものである。
The embodiment shown in FIG. 4 is the same as the embodiment shown in FIG.
The dust collecting section 11 is constituted by a mini-pleated type filter 15. The details are shown in FIGS. 5 and 6, and the ventilation sandwiched between the high-voltage side electrode 16 and the low-voltage side electrode 17 provided by a method such as applying a conductive paint on the upstream and downstream ridges. Between the angled surfaces 19 formed by bending the flexible sheet-shaped filter elements 18 in a zigzag shape with a plurality of synthetic resin strings 20 linearly protruding along the height h direction. 21 and a plurality of spaces c 1 and c 2 that alternately form the open portions 22 and 23 in opposite directions, and are formed by overlapping several times. enter the 1 enters the sheet filter element 18 in the space c 2 other adjacent traversed as shown by an arrow A18, is intended to be discharged as clean air from the opposite direction of the release unit 23.

第7図及び第8図に示す実施例も第1図の実施例の集
塵部11の構造を変更したものであり、フロート電極6に
接続された複数の高圧側電極7と接地Eされた複数の低
圧側電極8とを空間10を介して互いに齟齬せしめ、それ
らの空間10にフイルタ24をジグザグ状に介入して、前記
空気通路2を横切るように設け、該両電極7、8間の電
界によって塵埃を低圧側電極8に向かって駆動する際、
フイルタ24を通過させてそれに集塵するものであり、こ
の際両電極7,8間に過電流が流れないことは前述の各実
施例と同様である。
The embodiment shown in FIGS. 7 and 8 is also a modification of the structure of the dust collecting section 11 of the embodiment shown in FIG. 1, and is grounded to the plurality of high-voltage side electrodes 7 connected to the float electrode 6. The plurality of low voltage side electrodes 8 are mutually inconsistent with each other via the space 10, and a filter 24 is interposed in the space 10 in a zigzag manner so as to cross the air passage 2, and between the two electrodes 7, 8. When driving dust toward the low voltage side electrode 8 by an electric field,
Dust is collected by passing through the filter 24. At this time, no overcurrent flows between the electrodes 7 and 8, as in the above-described embodiments.

なおフロート電極6を省いて、上記高圧側電極の上流
端を直接アイオナイザ4の放電電極4aに対向せしめ、そ
の放電電極4aから高圧側電極上流端に向ってコロナ放電
をおこさせる様にしてもよい。
Note that the float electrode 6 may be omitted, the upstream end of the high voltage side electrode may be directly opposed to the discharge electrode 4a of the ionizer 4, and corona discharge may be caused from the discharge electrode 4a to the high pressure side electrode upstream end. .

第9図の実施例は前述の第4、5、6図の実施例にお
いて、ミニプリーツ型フイルタ15の高圧側電極16に接続
しているフロート電極6を省略し、該高圧側電極16と直
流高圧電源5とを前記アイオナイザ4の放電電極4aと集
塵部の高圧側電極16との間のコロナ放電抵抗と等しい程
度の限流高抵抗Rで接続し、又該高圧側電極16と低圧側
電極17との間にミニプリーツ型フイルタ15の許容抵抗
値、即ち過電流が流れ始める際の抵抗値より小さな値の
分圧抵抗rを接続したものであり、この際はミニプリー
ツ型フイルタ15の抵抗値が周囲の湿気や、塵埃の堆積等
によって著しく低下しても、前記限流高抵抗Rが、直流
高圧電源5からの電流を制限し、直流高圧電源5、ミニ
プリーツ型フイルタ15を過電流によって焼損するおそれ
がない。
In the embodiment of FIG. 9, the float electrode 6 connected to the high-voltage side electrode 16 of the mini-pleated filter 15 is omitted in the embodiment of FIGS. The high voltage power supply 5 is connected to the high voltage side electrode 16 of the ionizer 4 with a current limiting high resistance R approximately equal to the corona discharge resistance between the discharge electrode 4a of the ionizer 4 and the high voltage side electrode 16 of the dust collecting section. An allowable resistance value of the mini-pleated filter 15, that is, a voltage dividing resistor r having a smaller value than a resistance value at the time when an overcurrent starts to flow, is connected between the electrode 17 and the mini-pleated filter 15. Even if the resistance value is remarkably reduced due to surrounding humidity, dust accumulation, or the like, the current limiting high resistance R limits the current from the DC high-voltage power supply 5 and passes the DC high-voltage power supply 5 and the mini-pleated filter 15. There is no risk of burning due to electric current.

前記第2図ないし第10図の図面符号中、第1図中の図
面符号と等しい部分はその部分名称と機能についても同
一である。
2 to FIG. 10, the same parts as those in FIG. 1 have the same names and functions.

なお空気清浄器の容量が大きくなる時は、アイオナイ
ザ4の放電電極4aを適当な数の群に分割し、電源5aから
それぞれに分流抵抗を介して荷電すれば、火花発生時の
電流を抑制でき、またフロート電極6に真空分割してそ
れぞれ適当数の高圧側電極に接続することにより、過電
流の発生を防止できる。
When the capacity of the air purifier becomes large, the discharge electrodes 4a of the ionizer 4 are divided into an appropriate number of groups, and if the power is supplied from the power supply 5a via respective shunt resistors, the current at the time of spark generation can be suppressed. Further, by dividing the float electrode 6 into vacuum and connecting the float electrode 6 to an appropriate number of high voltage side electrodes, overcurrent can be prevented.

効 果 この発明の空気清浄器は上述の通りであり、空気通路
内にその上流から順次放電電極に対向電極を対向してな
るアイオナイザと、高圧側電極に低圧側電極を対向して
なる集塵部を設け、そのアイオナイザの放電電極と対向
電極の間に直流高圧電源を接続したものにおいて、該集
塵部の高圧側電極を前記アイオナイザの放電電極と対向
するように配置するとともに、該直流高圧電源および大
地からフロートするように設けているので、この発明の
空気清浄機を湿度の極めて高い所に据え付けて使用した
場合、該集塵部の高圧側電極と低圧側電極との間に塵埃
が厚く積層してこの間の電気抵抗が著しく低下しても、
その両極間に前記高圧直流電源からの過電流が直接流れ
ず、その高圧直流電源および集塵部の焼損を防止するこ
とが出来る。
Effects The air purifier of the present invention is as described above, and includes an ionizer in which an opposing electrode is sequentially opposed to a discharge electrode in an air passage from the upstream thereof, and a dust collector in which a low-pressure side electrode is opposed to a high-pressure electrode. And a high-voltage DC power supply connected between the discharge electrode and the counter electrode of the ionizer, wherein the high-voltage side electrode of the dust collecting section is disposed so as to face the discharge electrode of the ionizer, and Since it is provided so as to float from the power supply and the ground, when the air purifier of the present invention is installed and used in an extremely humid place, dust is generated between the high-pressure side electrode and the low-pressure side electrode of the dust collecting section. Even if it is laminated thickly and the electric resistance during this period drops significantly,
An overcurrent from the high-voltage DC power supply does not directly flow between the two poles, so that burning of the high-voltage DC power supply and the dust collecting portion can be prevented.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の実施例の縦断面図、第2図は他の実施
例の縦断面図であって、次にのべる第3図のII−II線部
の断面図、第3図は第2図のIII−III線部の断面図、第
4図はさらに他の実施例の第2図に相当する部分の断面
図、第5図は第4図の一部分の拡大断面図であって、次
に述べる第6図のV−V線部の断面図、第6図は第5図
のVI−VI線部の断面図、第7図は他の実施例の第2図に
相当する部分の断面図、第8図は第7図のVIII−VIII線
部の断面図、第9図はさらにまた他の実施例の縦断面図
である。 2……空気通路 2c……汚染された空気 2d……清浄空気 4……アイオナイザ 4a……放電電極 4b……対向電極 5……高圧直流電源 6……フロート電極 7……高圧側電極 8……低圧側電極 10……空間 11……集塵部 14……プラスチック絶縁フイルム 15……ミニプリーツ形フイルタ 16……高圧側電極 17……低圧側電極 18……シート状フイルタエレメント 24……フイルタ
FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of another embodiment, and is a sectional view taken along the line II-II of FIG. FIG. 4 is a sectional view taken along the line III-III of FIG. 2, FIG. 4 is a sectional view of a portion corresponding to FIG. 2 of still another embodiment, and FIG. 5 is an enlarged sectional view of a part of FIG. FIG. 6 is a sectional view taken along line VV of FIG. 6, FIG. 6 is a sectional view taken along line VI-VI of FIG. 5, and FIG. 7 is a portion corresponding to FIG. 2 of another embodiment. , FIG. 8 is a sectional view taken along the line VIII-VIII of FIG. 7, and FIG. 9 is a longitudinal sectional view of still another embodiment. 2 ... air passage 2c ... contaminated air 2d ... clean air 4 ... ionizer 4a ... discharge electrode 4b ... counter electrode 5 ... high voltage DC power supply 6 ... float electrode 7 ... high voltage side electrode 8 ... … Low voltage side electrode 10 …… Space 11 …… Dust collecting part 14 …… Plastic insulation film 15 …… Mini pleated type filter 16 …… High voltage side electrode 17 …… Low voltage side electrode 18 …… Sheet filter element 24 …… Filter

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】空気通路内にその上流から順次放電電極に
対向電極を対向してなるアイオナイザと、高圧電極に接
地電極を対向してなる集塵部を設けた空気清浄器におい
て、該アイオナイザの放電電極に直流高圧電源の高圧出
力側を接続し、また、該アイオナイザの対向電極と該集
塵部の接地電極を該直流高圧電源の接地側に接続した上
で、該集塵部の高圧電極を該直流高圧電源および大地か
らフロートさせるとともに、該アイオナイザの放電電極
と対向して配置することで該放電電極と該集塵部の高圧
電極間でもコロナ放電を発生させることを特徴とする空
気清浄器。
1. An air purifier having an ionizer in which an opposite electrode is sequentially opposed to a discharge electrode in an air passage from an upstream thereof, and an air purifier provided with a dust collecting portion in which a ground electrode is opposed to a high-voltage electrode. The high-voltage output side of the DC high-voltage power supply is connected to the discharge electrode, and the counter electrode of the ionizer and the ground electrode of the dust collection section are connected to the ground side of the DC high-voltage power supply. Air from the DC high-voltage power supply and the ground, and a corona discharge is also generated between the discharge electrode and the high-pressure electrode of the dust collecting portion by arranging the high-voltage electrode of the dust collector opposite to the discharge electrode of the ionizer. vessel.
【請求項2】集塵部の高圧電極がフロート電極に接続さ
れており、また該フロート電極を該直流高圧電源および
大地からフロートさせるとともに、該アイオナイザの放
電電極と対向して配置することで該放電電極と該フロー
ト電極間でもコロナ放電を発生させることを特徴とする
請求項1記載の空気清浄器。
2. The high pressure electrode of the dust collecting section is connected to the float electrode, and the float electrode is floated from the DC high voltage power supply and the ground, and is arranged so as to face the discharge electrode of the ionizer. The air purifier according to claim 1, wherein corona discharge is also generated between the discharge electrode and the float electrode.
【請求項3】空気通路内にその上流から順次放電電極に
対向電極を対向してなるアイオナイザと、高圧電極に接
地電極を対向してなる集塵部を設けた空気清浄器におい
て、該アイオナイザの放電電極に直流高圧電源の高圧出
力側を接続し、また、該アイオナイザの対向電極と該集
塵部の接地電極を該直流高圧電源の接地側に接続した上
で、該集塵部の高圧電極と前記高圧直流電源の高圧出力
側を限流高抵抗を介して接続するとともに、該高圧電極
と接地電極とを分圧高抵抗を介して接続することを特徴
とする空気清浄器。
3. An air purifier having an ionizer in which an opposing electrode is sequentially opposed to a discharge electrode in an air passage from an upstream thereof, and an air purifier provided with a dust collecting section in which a ground electrode is opposed to a high voltage electrode. The high-voltage output side of the DC high-voltage power supply is connected to the discharge electrode, and the counter electrode of the ionizer and the ground electrode of the dust collection section are connected to the ground side of the DC high-voltage power supply. And a high voltage output side of the high voltage DC power supply is connected via a current limiting high resistance, and the high voltage electrode and the ground electrode are connected via a partial pressure high resistance.
JP2071143A 1990-03-20 1990-03-20 air purifier Expired - Fee Related JP3016151B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2071143A JP3016151B2 (en) 1990-03-20 1990-03-20 air purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2071143A JP3016151B2 (en) 1990-03-20 1990-03-20 air purifier

Publications (2)

Publication Number Publication Date
JPH03270744A JPH03270744A (en) 1991-12-02
JP3016151B2 true JP3016151B2 (en) 2000-03-06

Family

ID=13452078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2071143A Expired - Fee Related JP3016151B2 (en) 1990-03-20 1990-03-20 air purifier

Country Status (1)

Country Link
JP (1) JP3016151B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642326U (en) * 1992-11-12 1994-06-03 株式会社ゼクセル Air purifier
JPH0727910U (en) * 1993-04-22 1995-05-23 株式会社ゼクセル Air purifier
CN105597932B (en) * 2016-02-18 2018-03-20 北京中和锦程科技有限公司 Corona wind air cleaning unit
CN111991935A (en) * 2020-09-03 2020-11-27 宁海格栅电子有限公司 Air purification equipment capable of removing formaldehyde

Also Published As

Publication number Publication date
JPH03270744A (en) 1991-12-02

Similar Documents

Publication Publication Date Title
EP0626886B1 (en) A two-stage electrostatic filter
US6117216A (en) Precipitator for cleaning of air from electrically charged aerosols
US4509958A (en) High-efficiency electrostatic filter device
US4313741A (en) Electric dust collector
EP1169131B1 (en) Air cleaning device
US5215558A (en) Electrical dust collector
US4715870A (en) Electrostatic filter dust collector
US4781736A (en) Electrostatically enhanced HEPA filter
US7156898B2 (en) Low pressure drop deep electrically enhanced filter
JPH0261302B2 (en)
JPH01304062A (en) Dust collecting electrode
US3678653A (en) Electrostatic precipitator
JP3016151B2 (en) air purifier
US6361589B1 (en) Device for air cleaning
US6758884B2 (en) Air filtration system using point ionization sources
CN111974550B (en) Electrostatic air filter
US2908347A (en) Electrostatic precipitators
CN209885989U (en) Novel electrostatic dust collector
JPH03262551A (en) Air cleaner
US20070240571A1 (en) Device for Cleaning of an Air Stream
JPH08155333A (en) Air cleaner
KR20240025860A (en) Electrostatic precipitator
JPH08229432A (en) Air cleaner
JPH05146713A (en) Electrostatic precipitator
JPS6227230Y2 (en)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees