JPS6068708A - Noise filter - Google Patents
Noise filterInfo
- Publication number
- JPS6068708A JPS6068708A JP17627683A JP17627683A JPS6068708A JP S6068708 A JPS6068708 A JP S6068708A JP 17627683 A JP17627683 A JP 17627683A JP 17627683 A JP17627683 A JP 17627683A JP S6068708 A JPS6068708 A JP S6068708A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- conductors
- shaped
- noise filter
- conductor
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 71
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 9
- 239000011888 foil Substances 0.000 description 7
- 229920002799 BoPET Polymers 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
- H03H7/425—Balance-balance networks
- H03H7/427—Common-mode filters
Landscapes
- Filters And Equalizers (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、電源回路または平滑回路に接続してノイズ
および脈動成分を抑制するために使用するノイズφフィ
ルタに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a noise φ filter that is connected to a power supply circuit or a smoothing circuit and used to suppress noise and pulsation components.
ノイズ・フィルタは、電源に重畳してきたノイズによる
機器の誤動作を防止する目的のものと、機器で発生した
ノイズを他の機器や電源側へ出さないようにノイズの発
生を防止する目的のものなどがある。Noise filters are used to prevent equipment from malfunctioning due to noise superimposed on the power supply, and to prevent noise generated by the equipment from being emitted to other equipment or the power supply side. There is.
第１図（ａ、 ） 、 （ｂ ）、 （ｃ ）に示すよ
うに、電源に直列にインダクタンス（Ｌ）を挿入し、コ
ンデ／す（Ｃ）を並列に接続した回路などが、ノーマル
・モード・ノイス書フィルタやコモン・モード・ノイズ
・フィルタとして従来より広く用いられている。As shown in Figure 1 (a, ), (b), and (c), a circuit in which an inductance (L) is inserted in series with the power supply and a capacitor (C) is connected in parallel is in normal mode.・It has been widely used as a Noise Book filter or common mode noise filter.
そして、このようなノイズ・フィルり回路で使用するイ
ンダクタンス（Ｌ）は、第２−図（ａ）、（ｂ）に示す
ようにトロイダル形のフェライト・コアまたはダスト争
コアのような磁性コア（１）にコイル（２）、（２’）
を巻装したものや、第２図（Ｃ）に示すような貫通した
孔（５）を有するビーズ状の磁性コア（６）の孔に導線
（７）を挿通したものなどが使用されている０
このようなノイズ・フィルタ回路で使用するインダクタ
ンス（Ｌ）を製作するためには、磁性コア材の成形・焼
結工程や巻線工程を経なければならず、さらに、コンデ
ンサ（Ｃ）を接続しなければならないために加工費がか
さむという問題があイズ・フィルタを得るために、考え
られたものであり、特に磁性コアを用いることなく、第
３図に示すように、両端部近傍にそれぞれ一対のリード
線（９）、（１０）、（１２）、（１，３）、（’１５
）（１６）を接続した３枚の帯状導電体（８）。The inductance (L) used in such a noise filtering circuit is a magnetic core (such as a toroidal ferrite core or a dust core) as shown in Figure 2 (a) and (b). 1) to coil (2), (2')
A conductor wire (7) is inserted through the hole of a bead-shaped magnetic core (6) having a through hole (5) as shown in Figure 2 (C). 0 In order to manufacture the inductance (L) used in such a noise filter circuit, it is necessary to go through the molding/sintering process of the magnetic core material and the winding process, and also the process of connecting the capacitor (C). In order to obtain an eye filter, the problem of increased processing costs due to the need to conduct magnetic cores, was considered.As shown in Figure 3, a magnetic core was not used, and each magnetic core was placed near both ends. A pair of lead wires (9), (10), (12), (1,3), ('15
) (16) are connected to three strip-shaped conductors (8).
（１１）、（１４）を絶縁シート（１７）を介して重ね
合わせ、それを第４図に示すようにチューブラ形に巻き
込み、コイル全体に静電容量を分布定数的に具備させた
素子でノイズ・フィルタを構成したものである。(11) and (14) are overlapped with an insulating sheet (17) interposed between them, and they are rolled up into a tubular shape as shown in Figure 4, and the entire coil has capacitance distributed in a constant manner.・It consists of a filter.
３枚の帯状導電体（ｓ ） 、 （１，１） 、 （１
４）を絶縁シート（１７）を介して巻き込むと、第５図
の一部の横断面図より明らかなように、３枚の帯状導電
体（８） 、 （１１） 、 （］、 ４ ）の相互間
に３つの静電容量が形成されており、さらに、３枚の帯
状導電体（８）、（１１）、（１４）はそれぞれ誘導結
合している。Three strip-shaped conductors (s), (1,1), (1
4) through the insulating sheet (17), the three strip-shaped conductors (8), (11), (], 4) are rolled up through the insulating sheet (17). Three capacitances are formed between them, and the three strip-shaped conductors (8), (11), and (14) are inductively coupled to each other.
このように構成された素子において、３枚の帯状導電体
（８） 、 （１１，） 、 （１，４）のうち、１枚
または２枚の帯状導電体を通電導体として使用し、他の
帯状導電体を接地導体として使用することにより、この
素子を各種のモードのノイズ・フィルタとして活用する
ことができる。In the element configured in this way, one or two of the three strip-shaped conductors (8), (11,), (1, 4) are used as current-carrying conductors, and the other strip-shaped conductors are used as current-carrying conductors. By using the strip-shaped conductor as a ground conductor, this element can be utilized as a noise filter for various modes.
すなわち、第６図（ａ）に示すように、２枚の帯状導電
体（８）、（１４）を通電導体として使用し、１枚の帯
状導電体（１１）の一端を接地すると、帯状導電体（８
）、（１４）は帯状導電体（１１）との間に分布定数的
に形成された静電容量を介して接地され、帯状導電体（
８）、（１４）の間に静電容量が分布定数的に形成され
ており、さらに、帯状導電体（８）、（１４）の間は誘
導結合されているので、第１図（Ｃ）に示したコモン・
モード・ノイズ・フィルタに類似した動作態様で動作さ
せることができる。That is, as shown in FIG. 6(a), when two strip-shaped conductors (8) and (14) are used as current-carrying conductors and one end of one strip-shaped conductor (11) is grounded, the strip-shaped conductor (11) is grounded. Body (8
), (14) are grounded via the capacitance formed in a distributed manner between the conductor strip (11) and the conductor strip (11).
Since capacitance is formed between 8) and (14) in a distributed constant manner, and furthermore, there is inductive coupling between the band-shaped conductors (8) and (14), as shown in Fig. 1(C). Common shown in
It can be operated in a manner similar to a mode noise filter.
また、第６図（ｂ）に示すように、１枚の帯状導電体（
１１）を通電導体として使用し、他の２枚の帯状導電体
（８）、（１４）の一端をそれぞれ接地すると、帯状導
電体（１１）が有するインダクタンスのほかに、帯状導
電体（８）、 （１４）との間に静電容量が分布定数的
に形成さゎ、るので、第１図（ａ）に示すようなノーマ
ル・モード−ノイズ・フィルタに類似した動作態様で動
作させることができる。Moreover, as shown in FIG. 6(b), one strip-shaped conductor (
11) When used as a current-carrying conductor and grounding one end of the other two strip-shaped conductors (8) and (14), in addition to the inductance that the strip-shaped conductor (11) has, the strip-shaped conductor (8) , (14) are formed in a distributed constant manner, it is possible to operate in a mode similar to the normal mode-noise filter shown in Figure 1(a). can.
さらに、第６図（Ｃ）に示すように、２枚の帯状導電体
（８）、（１４）を並列に接続して通電導体として使用
し、他の１枚の帯状導電体（１１）の一端を接地すると
、並列に接続された２枚の帯状導電体が有するインダク
タンスのほかに、帯状導電体（１１）との間に静電容量
が分布定数的に形成されるので、第１図（ａ）Ｋ示すよ
うなノーマル・モード・ノイズ・フィルタに類似した動
作態様で動作させることができる。Furthermore, as shown in FIG. 6(C), two strip-shaped conductors (8) and (14) are connected in parallel and used as a current-carrying conductor, and the other strip-shaped conductor (11) is connected in parallel. When one end is grounded, in addition to the inductance of the two strip-shaped conductors connected in parallel, capacitance is formed between the strip-shaped conductor (11) in a distributed constant manner. a) It can be operated in a manner similar to a normal mode noise filter as shown in K.
このノイズ・フィルタで使用する３枚の帯状導電体（８
）、（１１）、（１４）のうち、通電導体となるものに
は、抵抗値が小さいことが望ましいので、銅箔、アルミ
箔などの良導電体を採用し、接地される帯状導電体には
、鉄箔のような磁性導電体を採用することによりインダ
クタンスのｊｌＤをはかるなど、各帯状導電体の相賀、
絶縁シート（１７）の材質を適当に選択することにより
種々のノイズ抑制特性を得ることができる。Three strip-shaped conductors (8
), (11), and (14), it is desirable that the resistance value is small for the current-carrying conductor, so a good conductor such as copper foil or aluminum foil is used, and the strip-shaped conductor to be grounded is By measuring the inductance jlD by adopting a magnetic conductor such as iron foil, the Aiga of each strip conductor,
Various noise suppression characteristics can be obtained by appropriately selecting the material of the insulating sheet (17).
このノイズ・フィルタ素子を製造する際に、チューブラ
形に巻き適寸れた素子を抑圧成形１て、断面を円形より
長円形になるようＶＣ変形し、静電容量の調整および特
性の均一化をはかることかできる。When manufacturing this noise filter element, the element is rolled into a tubular shape and the appropriate size is suppressed by compression molding 1, and the cross section is VC deformed so that it becomes oval rather than circular, thereby adjusting the capacitance and making the characteristics uniform. I can measure things.
次に、従来のノイズ書フィルタとこの発明のノイズ・フ
ィルタの具体例についてノイズ抑制効果を説明する。Next, the noise suppression effects of a conventional noise filter and a specific example of the noise filter of the present invention will be explained.
（Ａ）第２図（Ｃ）に示すような、長径６ｍｍ、ｓ短径
３ｍ７ｉｚ高さ４．８ ｍｍのＴ Ｄ Ｋ株式会社より
販売されているｒＺＢＦ２５３Ｄ−０１，ｊのビーズ状
のコアで作ったインダクタンス（Ｌ）と約０．０２・μ
Ｆのマイカコンデンサ（Ｃ）とを第１図（ａ）に示すよ
うに結線して周波数と減衰率の関係を測定したところ、
第１図の点線（Ａ、 ）で示す特性を呈した。また、こ
の測定はＪＩＳ−Ｃ６９０４−１９７７の対称障害波電
圧に対する防止効果試験回路に準じて行ない、下記の（
Ｂ）、（Ｃ）。(A) As shown in Fig. 2 (C), it was made with a bead-shaped core of rZBF253D-01,j sold by T D K Co., Ltd. with a major axis of 6 mm, a minor axis of 3 m, and a height of 4.8 mm. The inductance (L) and approximately 0.02 μ
When connecting the F mica capacitor (C) as shown in Figure 1 (a) and measuring the relationship between frequency and attenuation rate, we found that
It exhibited the characteristics shown by the dotted line (A, ) in FIG. In addition, this measurement was performed in accordance with the JIS-C6904-1977 symmetrical interference wave voltage prevention effect test circuit, and the following (
B), (C).
（Ｄ）Ｋついても同様に測定した。(D) K was also measured in the same manner.
（Ｂ）帯状導電体（８） 、 （１’１ ） 、 （１
４）として幅１２朋、厚さ約５５ミクロンのアルミ箔を
採用し、帯状絶縁体（１７）に約５７ミクロンのマイラ
ーチー７０を採用して１６回巻き、第６図（ｂ）に示す
ような結線で帯状導電体（１１）と（８）の間に約０．
００８ ａ Ｊ４’、（１１）と（１４）の間に約ｏ、
、ｏ ｏ ｓμＦの静電容量を有するこの発明のノイズ
・フィルタ素子について周波数と減衰率との関係を測定
したところ、第７図の実線（Ｂ）で示す特性を呈した。(B) Band-shaped conductor (8), (1'1), (1
As for 4), an aluminum foil with a width of 12 mm and a thickness of about 55 microns was adopted, and Mylarchie 70 with a thickness of about 57 microns was adopted as the strip insulator (17) and wound 16 times, as shown in Fig. 6 (b). When connecting the strip conductors (11) and (8), there is a gap of about 0.
008 a J4', approximately o between (11) and (14),
When the relationship between frequency and attenuation rate was measured for the noise filter element of the present invention having a capacitance of .
（Ｃ）帯状導電体（８）、（１４）として幅１２ｍｍ、
厚さ約５５ミクロンのアルミ箔を採用し、帯状磁性導電
体（１１）として幅１２ｍｍ、厚さ約２０ミクロンの鉄
箔を採用し、帯状絶縁体（１７）に約５７ミクロンのマ
イラーテープ０を採用して１６回巻き、第６図（ｂ）に
示すように結線で、帯状導電体（１１）と（８）の間に
約０．００９μＦ。(C) Band-shaped conductors (8) and (14) with a width of 12 mm,
Aluminum foil with a thickness of about 55 microns is used, iron foil with a width of 12 mm and a thickness of about 20 microns is used as the strip-shaped magnetic conductor (11), and Mylar tape 0 with a thickness of about 57 microns is used as the strip-shaped insulator (17). It was wound 16 times and connected as shown in FIG. 6(b), with a voltage of about 0.009 μF between the strip conductors (11) and (8).
（１１）と（１４）＋７）間に約０．００ ’７ μＦ
ノ静電容量を有するノイズ・フィルタ素子について周
波数と減衰率との関係を測定したところ、第７図の実線
（Ｃ）で示す特性を呈した。Approximately 0.00'7 μF between (11) and (14)+7)
When the relationship between the frequency and the attenuation rate was measured for a noise filter element having a capacitance of 200 nm, it exhibited the characteristics shown by the solid line (C) in FIG.
（Ｄ）帯状磁性導電体（８）、（１１）、（１４）とし
て幅１２ｍｍ、厚さ約２０ミクロンの鉄箔を採用し、帯
状絶縁体（１７）に約５７ミクロ／のマイラーテープを
採用して１６回巻き、第６図（ｂ）に示すような結線で
帯状磁性導電体（１１）と（８）の間に約０．００９μ
Ｆ、（１１）と（１４）の間に約０００９μＦの静電容
量を有するこの発明のノイズ・フィルタ素子について周
波数と減衰率との関係を測定したところ、第７図の実線
（Ｄ）で示す特性を呈し、この発明の各種帯状導電体の
（Ｂ）、（’Ｃ）、ＣＤ）とも点線（Ａ）で示す特性に
くらべて上まわる特性が得られた。(D) Iron foil with a width of 12 mm and a thickness of about 20 microns is used as the strip-shaped magnetic conductors (8), (11), and (14), and Mylar tape with a thickness of about 57 microns is used as the strip-shaped insulator (17). By winding it 16 times and connecting it as shown in Figure 6(b), there is a gap of about 0.009μ between the strip-shaped magnetic conductors (11) and (8).
When the relationship between frequency and attenuation rate was measured for the noise filter element of the present invention having a capacitance of about 0009 μF between F, (11) and (14), the result is shown by the solid line (D) in Fig. 7. Each of the various strip-shaped conductors (B), ('C), and CD) of the present invention exhibited characteristics superior to those shown by the dotted line (A).
（Ｅ）第１図（Ｃ）、第２図（ｂ）に示すようなコモン
モードノイズ・フィルタとしてＴＤＫ株式会社より販売
されているｒ ＺＡＧ２２２０−１１−ＰＪおよびｒＺ
ｃＢ２２０３−１．ｌ Ｊを第１図（Ｃ）に示すような
結線で周波数と減衰率の関係を測定したところ、第８図
の点線（Ｅ）、（Ｆ）で示す特性を呈した。(E) rZAG2220-11-PJ and rZ sold by TDK Corporation as common mode noise filters as shown in Figures 1(C) and 2(b)
cB2203-1. When the relationship between frequency and attenuation rate was measured with lJ connected as shown in FIG. 1(C), it exhibited the characteristics shown by dotted lines (E) and (F) in FIG. 8.
また、この測定けＪＩＳ−Ｃ６９０１−１９７７の非対
称障害波電圧に対する防止効果試験回路に準じて行ない
、下記ｃＧ）、（Ｈ）、（Ｉ）。In addition, this measurement was carried out in accordance with the JIS-C6901-1977 prevention effect test circuit against asymmetric interference wave voltage, and the following cG), (H), and (I) were performed.
（Ｊ）、（Ｋ）についても同様に測定した。(J) and (K) were also measured in the same way.
（Ｇ）帯状導電体（８）、（１１）、（１４）として幅
１２ｍｒｎ、厚さ約５５ミクロンのアルミ箔を採用し、
帯状絶縁体（１７）に約５７ミクロンのマイラーテープ
を採用して１６回巻き、第６図（ａ）に示すような結線
で、帯状導電体（８）と（１１）の間に約０００８μＦ
、（１４）と（１１）の間に約ｏ、 ｏ ｏ ｓμＨ，
＋、（１４）と（８）の間に約０００８μＦの静電容量
を有するこの発明のノイズ・フィルタ素子（Ｃついて周
波数と減衰率との関係を測定したところ、第８図の実線
（Ｇ）で示す特性を呈（〜だ。(G) Aluminum foil with a width of 12 mrn and a thickness of about 55 microns is used as the band-shaped conductors (8), (11), and (14),
Approximately 57 micron Mylar tape is used for the strip-shaped insulator (17), wrapped 16 times, and connected as shown in Figure 6(a), with a voltage of about 0008 μF between the strip-shaped conductors (8) and (11).
, between (14) and (11) approximately o, o o sμH,
When the relationship between the frequency and the attenuation rate was measured for the noise filter element (C) of the present invention having a capacitance of about 0008 μF between +, (14) and (8), the solid line (G) in Fig. 8 It exhibits the characteristics shown in (...).
（＋−１）帯状導霜５体（８）、（１４）として幅１２
朋、厚さ約５５ミクロンのアルミ箔を採用し、帯状磁性
導電体（１１）として幅１２朋、厚さ約２０ミクロ／の
鉄箔を採用し、帯状絶縁体（１７）に約５７ミクロンの
マイラテープを採用して１６回巻き、第６図（ａ）に示
すような結線で、帯状導電体（８）と（１１）の間に約
０．００９μＦ、（］４）と（１１）の間に約０．０
（１８μＦ、（］、４）と（８）の間に約０００８μＦ
の静電容量を有するノイズ・フィルタ素子について周波
数と減衰率との関係を測定したところ、第８図の実線（
ｌ］）で県す特性を呈した。(+-1) Width 12 as 5 strip-shaped frost guides (8), (14)
Tomo, an aluminum foil with a thickness of about 55 microns is used, a steel foil with a width of 12 mm and a thickness of about 20 microns is used as the strip-shaped magnetic conductor (11), and a strip-shaped insulator (17) with a thickness of about 57 microns is used. Mylar tape was used and wound 16 times, and the wires were connected as shown in Figure 6(a), with a voltage of about 0.009 μF between the strip conductors (8) and (11), and a voltage of about 0.009 μF between (]4) and (11). Approximately 0.0 between
(18μF, approximately 0008μF between (], 4) and (8)
When we measured the relationship between frequency and attenuation rate for a noise filter element with a capacitance of , we found that the solid line (
1]) exhibited certain characteristics.
（Ｉ）帯状磁性導電体（８）、 （１，１）、（１４）
として幅１２ｍｍ５厚さ約２０ミクロ／の鉄箔を採用し
、帯状絶縁体（１７）に約５７ミクロンのマイラーテー
プを採用して１６回巻き第６図（ａ）に示すような結線
で、帯状磁性導電体（８）と（１１）の間に約０００９
μＦ、（１４）と（１］）の間て０．００９μＦ、（１
４）と（８）の間に約０、 ＯＯ９μＦの静電容量を有
するこの発明のノイズ・フィルタ素子について周波数と
減衰率との関係を測定したところ、第８図の実線（−Ｉ
）で示す特性を呈した。(I) Strip-shaped magnetic conductor (8), (1,1), (14)
A strip of iron foil with a width of 12 mm and a thickness of about 20 micrometers is used as the strip insulator (17), and Mylar tape with a thickness of about 57 micrometers is used as the strip insulator (17), wrapped 16 times and connected as shown in Figure 6 (a). Approximately 0009 between magnetic conductors (8) and (11)
μF, 0.009μF between (14) and (1]), (1
When we measured the relationship between the frequency and the attenuation rate for the noise filter element of the present invention, which has a capacitance of approximately 0.009 μF between (4) and (8), we found that the solid line (-I
) exhibited the characteristics shown below.
（Ｊ、）帯状導電体（８）、（１１）、（１４）として
幅１２ｍｍ、厚さ約５５ミクロンのアルミ箔を採用し、
帯状絶縁体（１７）に約５７ミクロンのマイラーテープ
を採用して５９回巻き、第６図（ａ）に示すような結線
で、帯状導電体（８）と（ｌｌ）の間に約００２８μＪ
−１（１４）と（１１）の間（（約００２７μ］”、（
１４）と（８）の間に約０． （１２７μＦの静電容量
を有するこの発明のノイズ・フィルタ賽子について周波
数と減衰率との関係を測定したところ、第８図の実線（
Ｊ）で示す特性を呈し、点線（Ｅ）、（Ｆ）の特性て比
べて遜色のない特性が得られた。(J,) Aluminum foil with a width of 12 mm and a thickness of about 55 microns is used as the band-shaped conductors (8), (11), and (14),
Approximately 57 micron Mylar tape is used for the strip-shaped insulator (17), wrapped 59 times, and connected as shown in Fig. 6(a), with approximately 0028 μJ between the strip-shaped conductors (8) and (ll).
-1 (14) and (11) ((approximately 0027μ]", (
Approximately 0.0 between 14) and (8). (When we measured the relationship between frequency and attenuation rate for the noise filter dice of this invention having a capacitance of 127 μF, we found that the solid line in Figure 8 (
It exhibited the characteristics shown by J), and compared with the characteristics shown by the dotted lines (E) and (F), the characteristics were obtained.
（Ｋ ）帯状導電体（８） 、 （１１’） 、 （１
４）として幅１．２ｍｍ５厚さ約５５ミクロンのアルミ
箔に示すような結線で帯状導電体（８）と（１１）の間
に約０．０５９μＦ、（１４）と（１１）の間に約００
５７μＦ、（１４）と（８）の間に約００５９μＦの静
電容量を有するこの発明のノイズ・フィルタ素子につい
て周波数と減衰率との関係を測定したところ、第８図の
実線（Ｋ）で示す特性を呈し、点線（Ｅ ） 、 （１
” ）で示す特性をうわまわり、市販されているノイズ
・フィルタなどに比べても遜色のないことがわかった。(K) Band-shaped conductor (8), (11'), (1
4) As shown in the diagram, connect the strip-shaped conductor (8) and (11) to approximately 0.059μF, and between (14) and (11) approximately 00
The relationship between the frequency and the attenuation rate was measured for the noise filter element of the present invention, which has a capacitance of 57 μF and a capacitance of approximately 0059 μF between (14) and (8), as shown by the solid line (K) in FIG. The dotted line (E), (1
It was found that it exceeded the characteristics shown in `` ) and was comparable to commercially available noise filters.
さらに（Ｇ ） 、 （Ｔ−（） 、 （Ｉ ）のよう
に各種の帯状導電体を同数に巻き同容量にして特性を測
定したが（Ｇ）、（Ｈ）、（Ｉ ）ＶＣ示すようＫ、こ
のような各種帯状導電体でも遜色なく使用できることが
わかった。Furthermore, the characteristics were measured by winding various strip-shaped conductors in the same number and with the same capacitance as (G), (T-(), and (I)). It was found that various strip-shaped conductors such as these can be used without any disadvantage.
以上で説明したように、この発明のノイズ・フィルタに
よると、チューブラ形コ／デ／すを変形するだけでノイ
ズ・フィルタとしての機能を有する素子を得ることがで
きるので大量生産に適し、廉価に製造することができる
。As explained above, according to the noise filter of the present invention, an element having the function of a noise filter can be obtained simply by deforming the tubular code/de/s, so it is suitable for mass production and is inexpensive. can be manufactured.
なお、このノイズ・フィルタ素子を形成する帯状導電体
のコイルおよびコンデンザ部分の幅や長さおよび厚さを
それぞれ加減してインダクタンスや静電容量を調節した
り、絶縁シートの厚さや絶縁体の誘電率をかえることに
より静電容量を加減したり、電解コンデンサのように帯
状導電体の表面を電解処理することにより静電容量を増
加させることができる。Note that the width, length, and thickness of the coil and capacitor portions of the band-shaped conductor that form this noise filter element can be adjusted to adjust the inductance and capacitance, and the thickness of the insulating sheet and dielectric of the insulator can be adjusted. The capacitance can be adjusted by changing the ratio, or the capacitance can be increased by electrolytically treating the surface of the strip-shaped conductor like an electrolytic capacitor.
まだ、通電を行なう帯状導電体の断面積は、他の帯状導
電体の断面積とは異なり、許容通電電流を考慮して定め
るべきである。However, the cross-sectional area of the strip-shaped conductor to be energized is different from the cross-sectional areas of other strip-shaped conductors, and should be determined in consideration of the allowable current.
この発明のノイズ・フィルタは、平滑回路にも適用して
電＃に含まれる脈動成分を抑制する目的にも使用するこ
とができる。The noise filter of the present invention can also be applied to a smoothing circuit and used for the purpose of suppressing pulsating components contained in the voltage.
第１図（ａ）、（ｂ）、（ｃ）は、従来より知られてい
るノイズ・フィルタ回路の回路図、第２図（ａ）、（ｂ
）、（Ｃ）は、第１図の回路で用いるインダクタンス素
子の斜視図、第３図は、この発明のノイズ・フィルタの
製造工程における斜視図、第４図は、この発明のノイズ
・フィルタのノイズ・フィルタの回路図、第７図および
第８図は従来のノイズ・フィルタとこの発明のノイズ・
フィルタとの特性を示した特性曲線である。
８．１１．１４・・・・・・・・帯状導電体９ 、１０
、 ］、 ２ 、１３ 、１５ 、１６ 、・・・・
・・・・・・・・・・ リード線
１７、・・・・・・・・・・・・・・・・・・・・・・
・・ 帯状絶縁体１８、・・・・・・・・・・・・・・
・・・・・・・・ この発明のノイズ・フィルタFIGS. 1(a), (b), and (c) are circuit diagrams of conventionally known noise filter circuits, and FIGS. 2(a), (b)
), (C) are perspective views of the inductance element used in the circuit of FIG. 1, FIG. 3 is a perspective view of the manufacturing process of the noise filter of this invention, and FIG. The circuit diagrams of the noise filter, FIGS. 7 and 8, show the conventional noise filter and the noise filter of the present invention.
It is a characteristic curve showing the characteristics with the filter. 8.11.14... Band-shaped conductor 9, 10
, ], 2, 13, 15, 16,...
・・・・・・・・・ Lead wire 17, ・・・・・・・・・・・・・・・・・・・・・
... Band-shaped insulator 18, ......
...Noise filter of this invention
Claims (1)
体となる帯状導電体の両端部近傍に接続されたリード線
と、絶縁シートなどの帯状絶縁体とを具備し、上記３枚
の帯状導電体を上記帯状絶縁体を介在させて重ね合わせ
、チューブラ形に巻き込み、両端部近傍にリード線を接
続した上記帯状導電体を分布容量を有するコイルに形成
してなるノイズ・フィルタ。It comprises three strip-shaped conductors, lead wires connected to the vicinity of both ends of the strip-shaped conductors that serve as current-carrying conductors among the three strip-shaped conductors, and a strip-shaped insulator such as an insulating sheet, and A noise filter formed by stacking two strip-shaped conductors with the strip-shaped insulator interposed therebetween, winding them into a tubular shape, and connecting lead wires near both ends to form a coil having distributed capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17627683A JPS6068708A (en) | 1983-09-26 | 1983-09-26 | Noise filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17627683A JPS6068708A (en) | 1983-09-26 | 1983-09-26 | Noise filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6068708A true JPS6068708A (en) | 1985-04-19 |
Family
ID=16010742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17627683A Pending JPS6068708A (en) | 1983-09-26 | 1983-09-26 | Noise filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068708A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5111169A (en) * | 1989-03-23 | 1992-05-05 | Takeshi Ikeda | Lc noise filter |
| US5337028A (en) * | 1992-05-27 | 1994-08-09 | Sundstrand Corporation | Multilayered distributed filter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332653A (en) * | 1976-09-07 | 1978-03-28 | Nitsuko Ltd | Power noise filter |
-
1983
- 1983-09-26 JP JP17627683A patent/JPS6068708A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332653A (en) * | 1976-09-07 | 1978-03-28 | Nitsuko Ltd | Power noise filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5111169A (en) * | 1989-03-23 | 1992-05-05 | Takeshi Ikeda | Lc noise filter |
| US5337028A (en) * | 1992-05-27 | 1994-08-09 | Sundstrand Corporation | Multilayered distributed filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI490892B (en) | Inductance device, filter device comprising the same, and noise filter comprising the same | |
| JPH0235810A (en) | Noise filter | |
| US2537959A (en) | Artificial transmission line | |
| JPH0571125B2 (en) | ||
| US3141145A (en) | Feed-through smoothing filter | |
| EP0126446B1 (en) | Noise filter and production method | |
| JPS6096910A (en) | Noise filter | |
| JPS5847312A (en) | 4-terminal network circuit device | |
| US6255933B1 (en) | Inductance device and manufacturing method thereof | |
| JPH0122258Y2 (en) | ||
| JPS60100813A (en) | Noise filter | |
| JPS63313906A (en) | Foil-wrapped electronic components and their manufacturing method | |
| JPS62183616A (en) | Noise filter | |
| JPS6249714A (en) | Loss reduction filter for blocking wireless frequency interference of 2-wire type line | |
| US3739245A (en) | Wound suppresser capacitor with shock protection | |
| JP2020529177A (en) | Inductive-capacitive filters and related systems and methods | |
| JPH0998045A (en) | Noise filter | |
| US3295055A (en) | Combined unit of impedance | |
| JPS6050048B2 (en) | filter | |
| JPH01289228A (en) | Noise filter | |
| JPS6050047B2 (en) | filter | |
| JPS59212013A (en) | Noise filter | |
| US3457527A (en) | Compact capacitive-inductive impedance unit | |
| JPS605624Y2 (en) | noise filter | |
| JPS6027212A (en) | Noise filter |