JPH06190301A - air filter - Google Patents
air filterInfo
- Publication number
- JPH06190301A JPH06190301A JP34779092A JP34779092A JPH06190301A JP H06190301 A JPH06190301 A JP H06190301A JP 34779092 A JP34779092 A JP 34779092A JP 34779092 A JP34779092 A JP 34779092A JP H06190301 A JPH06190301 A JP H06190301A
- Authority
- JP
- Japan
- Prior art keywords
- air filter
- voltage electrode
- voltage
- low
- electrode
- Prior art date
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Abstract
(57)【要約】
【目的】 本発明は安全で、他の機器に取り付け易く、
エアフィルターが正常に機能しないで使用されることを
防止したエアフィルターを提供することを目的とする。
【構成】 高圧電極５と低圧電極６との間に配設される
エレクトレットフィルター材３を備えたもので、このエ
アフィルターに過電流保護機構として少なくとも高圧電
極５と低圧電極６の一方の電極と外部接続端子との間に
直列抵抗９を内蔵したものである。
(57) [Abstract] [Purpose] The present invention is safe and easy to attach to other devices,
An object of the present invention is to provide an air filter that prevents the air filter from being used without functioning normally. A structure is provided with an electret filter material 3 arranged between a high voltage electrode 5 and a low voltage electrode 6, and at least one of the high voltage electrode 5 and the low voltage electrode 6 serves as an overcurrent protection mechanism in this air filter. A series resistor 9 is built in between the external connection terminal and the external connection terminal.
Description
【０００１】[0001]
【産業上の利用分野】本発明は空中に浮遊する塵埃粒子
をさえぎりとクーロン力とによって集塵する空気清浄機
などのエアフィルターに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air filter, such as an air cleaner, which collects dust particles floating in the air by blocking and Coulomb force.
【０００２】[0002]
【従来の技術】近年快適な居住環境を求める傾向が強く
なり、エアフィルターを内蔵した空気清浄機の需要が増
加するとともに、その性能の向上が図られている。2. Description of the Related Art In recent years, there has been an increasing tendency to demand a comfortable living environment, and the demand for air purifiers incorporating an air filter has increased and the performance thereof has been improved.
【０００３】特開平４−１６２５３号公報に、枠に配設
された第１の接点金具と抵抗を介して直流高圧電源ユニ
ットの低圧部に接続されている第１の電極と、前記枠に
配設された第２の接点金具を介して前記直流高圧電源ユ
ニットの高圧部に接続されている第２の電極と、第１の
電極と第２の電極との間に配置された静電フィルタから
なるエアフィルタの技術が開示されている。In Japanese Patent Laid-Open No. 4-16253, a first electrode connected to a low-voltage portion of a DC high-voltage power supply unit via a first contact metal fitting arranged on the frame and a resistor, and a first electrode connected to the frame. A second electrode connected to the high-voltage portion of the DC high-voltage power supply unit via a second contact metal fitting provided, and an electrostatic filter arranged between the first electrode and the second electrode. An air filter technology is disclosed.
【０００４】図４において、従来の空気清浄機などに用
いるエアフィルターは、多数の通風孔を設けた高圧電極
用接点金具２１に接続された平板状の高圧電極２２と、
これに平行に対向する多数の通風孔を設けた低圧電極用
接点金具２３に接続された平板状の低圧電極２４と、高
圧電極２２と低圧電極２４との間にエレクトレットフィ
ルター材２５とを配設し、絶縁樹脂材料の枠２６と、絶
縁樹脂材料の蓋２７から構成するケースに収納し、高圧
電極２２と低圧電極２４との間に高圧電圧を印加してい
た。In FIG. 4, an air filter used in a conventional air cleaner or the like has a flat plate-shaped high-voltage electrode 22 connected to a high-voltage electrode contact fitting 21 provided with a large number of ventilation holes.
A flat plate-shaped low-voltage electrode 24 connected to a low-voltage electrode contact metal fitting 23 having a large number of ventilation holes facing each other in parallel, and an electret filter material 25 disposed between the high-voltage electrode 22 and the low-voltage electrode 24. The frame 26 made of the insulating resin material and the lid 27 made of the insulating resin material were housed in a case, and a high voltage was applied between the high voltage electrode 22 and the low voltage electrode 24.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら上記図４
に示すエアフィルターでは万一の感電事故や短絡時の発
火などを防止するために図５に示すように、直流高圧電
源３１の内部に直列抵抗３２を配設し、直流高圧電源３
１の電圧に対する電流垂下特性を図６のようにする必要
があり何からの原因にて図５に示すブロック図のＡ−Ａ
1 間、Ｂ−Ｂ1 間が短絡しても、どの部分での短絡かを
検出することができなかった。従って低圧側接続端子３
３と高圧側接続端子３４とを有するエアフィルター３５
への接続回路途中の短絡を検出できないため、エアフィ
ルター３５に電圧が印加されず、エアフィルター３５が
正常に機能しないで使用される場合があった。However, the above-mentioned FIG.
In the air filter shown in FIG. 5, a series resistor 32 is provided inside the DC high-voltage power supply 31 to prevent an electric shock accident or a fire at the time of a short circuit, as shown in FIG.
It is necessary to make the current drooping characteristic with respect to the voltage of 1 as shown in FIG. 6, and for some reason AA of the block diagram shown in FIG.
1 between, be between B-B 1 is short, it was not possible to detect whether a short circuit in any part. Therefore, the low voltage side connection terminal 3
3 and an air filter 35 having a high-voltage side connection terminal 34
Since a short circuit in the connection circuit to the air filter 35 cannot be detected, no voltage is applied to the air filter 35 and the air filter 35 may be used without functioning normally.
【０００６】また、エアフィルター３５に内蔵の直列抵
抗３２と少なくとも図４に示す高圧電極２２または低圧
電極２４の一方の電極との電気的接続方法として溶接ま
たは半田付けが考えられるが、電極の材料にパンチング
メタルや導電性樹脂よりなるネットを使用しているた
め、パンチングメタルへの溶接には高度な技術が必要で
あり、導電性樹脂のネットにおいては溶接または半田付
けができなかった。本発明は上記従来の課題を解決する
もので、エアフィルターへの接続回路途中の異常が検出
可能で、かつ溶接または半田付け以外の方法で、直列抵
抗と少なくとも高圧電極または低圧電極の一方の電極と
の良好な電気的接続を有するエアフィルターを提供する
ことを目的とする。Further, welding or soldering can be considered as a method for electrically connecting the series resistor 32 built in the air filter 35 and at least one of the high voltage electrode 22 and the low voltage electrode 24 shown in FIG. Since a net made of punching metal or a conductive resin is used in, a high technology is required for welding to the punching metal, and the conductive resin net cannot be welded or soldered. The present invention is to solve the above-mentioned conventional problems, an abnormality in the middle of the connection circuit to the air filter can be detected, and by a method other than welding or soldering, the series resistance and at least one of the high-voltage electrode or the low-voltage electrode It is an object to provide an air filter having a good electrical connection with.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明のエアフィルターは、高圧電極と低圧電極の間
にエレクトレットフィルター材を配設し、前記高圧電極
と低圧電極の間に高電圧を印加するエアフィルターであ
って、少なくとも高圧電圧または低圧電圧の一方の電極
と外部接続端子との間に直列抵抗を内蔵したものであ
る。また、エアフィルターに内蔵した直列抵抗と少なく
とも高圧電圧または低圧電極の一方の電極とに、導電性
を有するゴム材を圧着して電気的に接続したものであ
る。In order to achieve the above object, the air filter of the present invention comprises an electret filter material disposed between a high voltage electrode and a low voltage electrode, and a high voltage is applied between the high voltage electrode and the low voltage electrode. An air filter for applying a series resistor having at least one of a high-voltage voltage or a low-voltage voltage electrode and an external connection terminal. Further, a conductive rubber material is pressure-bonded to and electrically connected to the series resistor built into the air filter and at least one of the high-voltage or low-voltage electrode.
【０００８】[0008]
【作用】上記した構成によれば、エアフィルターに過電
流保護機構として少なくとも高圧電極と低圧電極の一方
の電極と、外部接続端子との間に直列抵抗を内蔵するこ
とにより接続回路途中での異常が検出可能となる。According to the above construction, the air filter has a built-in series resistance between at least one of the high-voltage electrode and the low-voltage electrode and the external connection terminal as an overcurrent protection mechanism, so that an abnormality occurs in the middle of the connection circuit. Can be detected.
【０００９】また、前記エアフィルターに内蔵した直列
抵抗と少なくとも高圧電極と低圧電圧の一方の電極と
に、導電性を有するゴム材を圧着して、容易に電気的接
続を可能とする。Further, a rubber material having conductivity is pressure-bonded to at least one of the high-voltage electrode and the low-voltage voltage electrode built in the air filter to facilitate electrical connection.
【００１０】[0010]
【実施例】以下本発明の一実施例のエアフィルターにつ
いて図面を参照しながら説明する。図１において、本実
施例のエアフィルターは、ポリプロピレン（以下ＰＰ材
と略す）からなる絶縁樹脂材の枠１と、ＰＰ材からなる
絶縁樹脂材の蓋２とで、プリーツ加工したエレクトレッ
トフィルター材３と、ナイロンのネットに活性炭を塗布
した消臭フィルター４とを、高圧電極５と低圧電極６と
を介して挾持して組立てられている。高圧電極用接点金
具７は高圧電極５に接続され低圧電極用接点金具８は低
圧電極６に接続されている。そして、９０ＭΩの直列抵
抗９は高圧電圧用接点金具７と高圧電極５の間に挿入さ
れたエアフィルターに内蔵された過電流保護機構であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An air filter according to an embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, the air filter of this embodiment is a pleated electret filter material 3 including a frame 1 of an insulating resin material made of polypropylene (hereinafter abbreviated as PP material) and a lid 2 of an insulating resin material made of PP material. And a deodorizing filter 4 in which activated carbon is applied to a nylon net are sandwiched between a high voltage electrode 5 and a low voltage electrode 6 to be assembled. The high-voltage electrode contact metal fitting 7 is connected to the high-voltage electrode 5, and the low-voltage electrode contact metal fitting 8 is connected to the low-voltage electrode 6. The 90 MΩ series resistor 9 is an overcurrent protection mechanism built in the air filter inserted between the high-voltage contact piece 7 and the high-voltage electrode 5.
【００１１】さらに、直列抵抗９のリード線を折曲げ、
導電性シリコンゴムのチューブ１０を通し絶縁樹脂材の
蓋２に設けられているリブ１６にて押さえつけることに
より高圧電極５と直列抵抗９との電気的接続を可能とす
る。Further, bend the lead wire of the series resistor 9,
The high voltage electrode 5 and the series resistor 9 can be electrically connected by pressing the rib 10 provided through the insulating resin material lid 2 through the tube 10 made of conductive silicone rubber.
【００１２】図２において、ＤＣ２.3ｋＶを発生する直
流高圧電源１１が、本実施例の９０ＭΩの抵抗９とエア
フィルターの集塵部１２を内蔵したエアフィルター１３
に接続されている。ここで、何らかの原因でＡ−Ａ1 間
が短絡すると直流高圧電源１１に流れる電流は図３に示
す直流高圧電源の垂下特性の曲線Ｄ上を推移し、Ｆ点以
上の電流ｉＦが流れると直流高圧電源１１に異常信号を
送り異常検出を行う。また、Ｂ−Ｂ1 間が短絡すると直
流高圧電源１１に流れる電流は９０ＭΩの直列抵抗９が
内蔵されているため、図３の直流高圧電源１１の垂下特
性Ｅの直線の範囲内で曲線Ｄ上を推移するため、Ｆ点以
上の電流は流れないため、接続回路途中の異常を検出す
ることが可能である。従って感電、燃焼面において充
分、安全性が確保できる。In FIG. 2, a DC high-voltage power supply 11 for generating DC 2.3 kV is an air filter 13 having a 90 MΩ resistor 9 and an air filter dust collecting portion 12 according to the present embodiment.
It is connected to the. Here, when A-A 1 is short-circuited for some reason, the current flowing in the DC high-voltage power supply 11 changes along the curve D of the drooping characteristic of the DC high-voltage power supply shown in FIG. An abnormality signal is sent to the high voltage power supply 11 to detect an abnormality. Further, when a short circuit occurs between B and B 1 , the current flowing in the DC high voltage power supply 11 has a built-in 90 MΩ series resistor 9, so that the curve D is within the straight line range of the drooping characteristic E of the DC high voltage power supply 11 in FIG. Therefore, the current above the point F does not flow, so it is possible to detect an abnormality in the middle of the connection circuit. Therefore, sufficient safety can be secured in terms of electric shock and combustion.
【００１３】[0013]
【発明の効果】以上の説明から明らかなように本発明の
エアフィルターは、エアフィルターに過電流保護機構と
して高圧電圧または低圧電極の一方の電極と外部接続端
子との間に直列抵抗を内蔵することによりエアフィルタ
ーへの接続回路途中の異状が検出可能となり、エアフィ
ルターが正常に機能しないで使用されることを防止す
る。As is apparent from the above description, the air filter of the present invention has a series resistor built in between the one of the high voltage or low voltage electrode and the external connection terminal as an overcurrent protection mechanism in the air filter. This makes it possible to detect abnormalities in the connection circuit to the air filter, and prevent the air filter from being used without functioning properly.
【００１４】また、エアフィルター内蔵の直列抵抗と少
なくとも前記一方の電極とを導電性を有するゴム材を押
さえつけて接触させることによって電気的接続を得るこ
とが可能であるため、巾広い材質の電極に使用可能であ
る。Further, since it is possible to obtain an electrical connection by pressing the series resistance built into the air filter and at least one of the electrodes by contacting them with a conductive rubber material, it is possible to use an electrode of a wide material. It can be used.
【図１】本発明の一実施例のエアフィルターの分解傾斜
図FIG. 1 is an exploded perspective view of an air filter according to an embodiment of the present invention.
【図２】同接続を示すブロック図FIG. 2 is a block diagram showing the same connection.
【図３】直流高圧電源の電圧に対する電流垂下特性を示
すグラフFIG. 3 is a graph showing the current drooping characteristic with respect to the voltage of the DC high voltage power supply.
【図４】（ａ）従来のエアフィルターの断面図 （ｂ）同高圧電極の平面図 （ｃ）同低圧電極の平面図4A is a cross-sectional view of a conventional air filter, FIG. 4B is a plan view of the high-voltage electrode, and FIG. 4C is a plan view of the low-voltage electrode.
【図５】同接続を示すブロック図FIG. 5 is a block diagram showing the same connection.
【図６】直流高圧電源の電圧に対する電流垂下特性を示
すグラフFIG. 6 is a graph showing the current drooping characteristic with respect to the voltage of the DC high voltage power supply.
３ エレクトレットフィルター材 ５ 高圧電極 ６ 低圧電極 ９ 直列抵抗 １１ 直流高圧電源 １２ エアフィルター 3 Electret filter material 5 High voltage electrode 6 Low voltage electrode 9 Series resistance 11 DC high voltage power supply 12 Air filter
Claims (2)
フィルター材を配設し、前記高圧電極と低圧電極の間に
高電圧を印加するエアフィルターであって、少なくとも
前記低圧電極または高圧電極の一方の電極と外部接続端
子との間に直列抵抗を内蔵したエアフィルター。1. An air filter in which an electret filter material is disposed between a high-voltage electrode and a low-voltage electrode, and a high voltage is applied between the high-voltage electrode and the low-voltage electrode, at least one of the low-voltage electrode and the high-voltage electrode. Air filter with built-in series resistance between the electrode and external connection terminal.
くとも低圧電極または高圧電極の一方の電極とに導電性
を有するゴム材を圧着して電気的に接続した請求項１記
載のエアフィルター。2. The air filter according to claim 1, wherein a conductive rubber material is pressure-bonded to and electrically connected to at least one of the low-voltage electrode or the high-voltage electrode of the series resistor built into the air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34779092A JPH06190301A (en) | 1992-12-28 | 1992-12-28 | air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34779092A JPH06190301A (en) | 1992-12-28 | 1992-12-28 | air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06190301A true JPH06190301A (en) | 1994-07-12 |
Family
ID=18392596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34779092A Pending JPH06190301A (en) | 1992-12-28 | 1992-12-28 | air filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06190301A (en) |
-
1992
- 1992-12-28 JP JP34779092A patent/JPH06190301A/en active Pending
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