JPH0236268Y2 - - Google Patents
Info
- Publication number
- JPH0236268Y2 JPH0236268Y2 JP1984187861U JP18786184U JPH0236268Y2 JP H0236268 Y2 JPH0236268 Y2 JP H0236268Y2 JP 1984187861 U JP1984187861 U JP 1984187861U JP 18786184 U JP18786184 U JP 18786184U JP H0236268 Y2 JPH0236268 Y2 JP H0236268Y2
- Authority
- JP
- Japan
- Prior art keywords
- varistor
- high frequency
- frequency noise
- lead
- inductor
- 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
Links
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
- Coils Or Transformers For Communication (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Filters And Equalizers (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、通信機器、電子機器等の線路の入出
部に設ける雷サージ吸収機能、及び高周波ノイズ
阻止機能を備えた複合機能素子に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a multi-functional device provided at the entrance/exit of lines of communication equipment, electronic equipment, etc., which has a lightning surge absorption function and a high frequency noise blocking function.
屋外線路へ落雷すると誘導電圧が発生し、この
高電圧の衝撃波が通信機器、電子機器等を破壊す
る。この雷サージを吸収するため、線路の入出部
には線路間、または線路と大地間にバリスタが挿
入されている。 When lightning strikes an outdoor track, induced voltage is generated, and this high-voltage shock wave destroys communication equipment, electronic equipment, etc. In order to absorb this lightning surge, varistors are inserted between the lines or between the lines and the ground at the input and output parts of the lines.
一方、この雷サージによる高周波ノイズを吸収
するため、線路の入出部には高周波ノイズフイル
タを設けている。 On the other hand, in order to absorb high frequency noise caused by this lightning surge, high frequency noise filters are provided at the input and output sections of the line.
この際、通信機器、電子機器の装置の小形化に
伴い、これらのバリスタ、高周波ノイズフイルタ
にも、小形のことが要求されている。 At this time, with the miniaturization of communication equipment and electronic equipment, these varistors and high frequency noise filters are also required to be smaller.
第２図は従来のサージ吸収回路図であつて、線
路１，２間に、入力端子１ａ，２ａ側に、例えば
酸化亜鉛バリスタよりなるバリスタ３を挿入し
て、雷サージを吸収するようにしている。
FIG. 2 is a conventional surge absorption circuit diagram, in which a varistor 3 made of, for example, a zinc oxide varistor is inserted between lines 1 and 2 on the input terminals 1a and 2a side to absorb lightning surges. There is.
バリスタ３よりも装置側には、コイル５Ａ、コ
イル５Ｂとコンデンサ６とより構成されたLCフ
イルタ４を挿入して、高周波ノイズを吸収するよ
うにしている。 An LC filter 4 composed of a coil 5A, a coil 5B, and a capacitor 6 is inserted closer to the device than the varistor 3 to absorb high frequency noise.
そして、このようなサージ吸収回路は、装置本
体とは別個に設けず、一般に装置を構成するプリ
ント板の端部に設けて、装置全体の小形化を計つ
ている。 Such a surge absorption circuit is not provided separately from the main body of the device, but is generally provided at the end of a printed circuit board constituting the device, in order to reduce the size of the entire device.
しかしながら上記従来のサージ吸収回路は、バ
リスタ、コイル、コンデンサの３種の構成素子よ
りなり、それぞれの構成素子に設けたリードを、
プリント板の線路パターンのスルーホールに挿着
してければならず、挿着作業が煩雑であるという
問題点がある。
However, the conventional surge absorption circuit described above consists of three types of components: a varistor, a coil, and a capacitor, and the leads attached to each component are
It has to be inserted into through-holes in the line pattern of the printed board, which poses a problem in that the insertion work is complicated.
また、それぞれの構成素子が別個であるため、
プリント板に実装するにあたり、広い占有面積を
必要とし、装置の小形化が阻害されるという問題
点がある。 Also, since each component is separate,
When mounted on a printed board, a large area is required, which hinders miniaturization of the device.
上記従来の問題点は、バリスタの電極に接続さ
れたリードがビーズコアを貫通してインダクタが
設けられ、該インダクタと該バリスタの静電容量
とよりLCフイルタを構成し、高周波ノイズ阻止
機能、及び雷サージ吸収機能を備えてなる、本考
案の複合機能素子によつて解決される。
The above-mentioned conventional problem is that an inductor is provided by the lead connected to the electrode of the varistor passing through the bead core, and the inductor and the capacitance of the varistor constitute an LC filter, which has high frequency noise blocking function and lightning protection. This problem is solved by the multifunctional device of the present invention, which has a surge absorption function.
上記本考案の手段によれば、雷サージ吸収素子
であるバリスタと、高周波ノイズ吸収素子である
LCフイルタとが、一つの複合機能素子に設けら
れているので、それなりにリード数が少なく、挿
着作業が簡単であり、また占有面積も小さく、装
置の小形化が容易である。
According to the above means of the present invention, a varistor which is a lightning surge absorbing element and a high frequency noise absorbing element are
Since the LC filter is provided in one multifunctional element, the number of leads is relatively small, the insertion work is simple, and the area occupied is small, making it easy to downsize the device.
以下図示実施例により、本考案の要旨を具体的
に説明する。
The gist of the present invention will be specifically explained below with reference to illustrated embodiments.
第１図は本考案の１実施例の斜視図である。 FIG. 1 is a perspective view of one embodiment of the present invention.
第１図において、例えば酸化亜鉛バリスタより
なる雷サージを吸収するバリスタ１４の一方の電
極には、プリント板１０の線路パターン１１の対
向するスルーホールのそれぞれに挿着可能の如く
に、一対のリード１５Ａ，１５Ｂがそれぞれ下方
に突出して設けられている。 In FIG. 1, one electrode of a varistor 14, which absorbs lightning surges and is made of, for example, a zinc oxide varistor, has a pair of leads that can be inserted into each of the opposing through holes of the line pattern 11 of the printed circuit board 10. 15A and 15B are provided to protrude downward, respectively.
また、他方の電極には、他の線路パターン１２
のスルーホールに挿着可能に、一本のリード１６
が下方に突出して設けられている。 In addition, another line pattern 12 is attached to the other electrode.
One lead 16 can be inserted into the through hole of
is provided to protrude downward.
例えば、フエライトよりなるビーズコア１７
は、ビーズコア１７の軸孔が、入力端とは反対側
に挿着されるリード１５Ｂを貫通してインダクタ
を構成している。よつて、このインダクタは、バ
リスタ１４に一体化されており、その寸法形状を
調整することにより、バリスタ１４の静電容量と
結合し、所望の高周波ノイズを吸収するLCフイ
ルタを構成する。 For example, bead core 17 made of ferrite
The axial hole of the bead core 17 passes through a lead 15B inserted on the opposite side from the input end to form an inductor. Therefore, this inductor is integrated with the varistor 14, and by adjusting its size and shape, it combines with the capacitance of the varistor 14 to form an LC filter that absorbs desired high frequency noise.
このように、バリスタ１４を主体として、LC
フイルタ機能が付加されてなる複合機能素子１３
は、本体が従来とほぼ同等の大きさのバリスタで
あるので、小形であつて、プリント板１０上の占
有面積が小さい。 In this way, with the varistor 14 as the main body, the LC
Multifunctional device 13 with added filter function
Since the main body is a varistor of approximately the same size as a conventional varistor, it is small and occupies a small area on the printed board 10.
また、プリント板１０に装着するには、リード
１５Ａ、リード１５Ｂ及びリード１６の３本のリ
ードをそれぞれ対応する線路パターン１１，１２
のスルーホールに挿着するだけで、装着作業が簡
単である。 In addition, in order to attach the printed board 10, three leads, the lead 15A, the lead 15B, and the lead 16, are connected to the corresponding line patterns 11 and 12, respectively.
Installation is easy, just insert it into the through-hole.
なおリード１５Ｂに対応して、他方の電極にベ
ーズコアを装着した他のリードを、リード１６に
並列して設けても、本考案の複合機能素子が構成
されることは勿論である。 Note that, of course, the multifunctional device of the present invention can also be constructed by providing another lead in parallel with the lead 16 in which the other electrode is equipped with a baize core in correspondence with the lead 15B.
以上説明したように本考案は、雷サージ吸収素
子であるバリスタと、高周波ノイズ吸収素子であ
るLCフイルタとが、一つの複合機能素子に設け
られているので、それなりにリード数が少なく、
挿着作業が簡単であり、また占有面積が小さく、
装置の小形化が可能である等、実用上で優れた効
果がある。
As explained above, in this invention, the varistor, which is a lightning surge absorption element, and the LC filter, which is a high frequency noise absorption element, are provided in one multifunctional element, so the number of leads is relatively small.
It is easy to insert and install, and occupies a small area.
This has excellent practical effects, such as the ability to downsize the device.
第１図は本考案の１実施例の斜視図、第２図
は、従来のサージ吸収回路図である。
図において、１，２は線路、３，１４はバリス
タ、４はLCフイルタ、５Ａ，５Ｂはコイル、６
はコンデンサ、１０はプリント板、１１，１２は
線路パターン、１３は複合機能素子、１５Ａ，１
５Ｂ，１６はリード、１７はビーズコアをそれぞ
れ示す。
FIG. 1 is a perspective view of one embodiment of the present invention, and FIG. 2 is a diagram of a conventional surge absorption circuit. In the figure, 1 and 2 are lines, 3 and 14 are varistors, 4 is an LC filter, 5A and 5B are coils, and 6
is a capacitor, 10 is a printed board, 11 and 12 are line patterns, 13 is a multifunctional element, 15A, 1
5B, 16 indicates a lead, and 17 indicates a bead core, respectively.
Claims (1)
アを貫通してインダクタが設けられ、該インダク
タと該バリスタの静電容量とよりLCフイルタを
構成し、高周波ノイズ阻止機能、及び雷サージ吸
収機能を備えてなることを特徴とする複合機能素
子。 A lead connected to the electrode of the varistor passes through the bead core to provide an inductor, and the inductor and the capacitance of the varistor constitute an LC filter, which has a high frequency noise blocking function and a lightning surge absorption function. A multifunctional device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984187861U JPH0236268Y2 (en) | 1984-12-11 | 1984-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984187861U JPH0236268Y2 (en) | 1984-12-11 | 1984-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61102034U JPS61102034U (en) | 1986-06-28 |
| JPH0236268Y2 true JPH0236268Y2 (en) | 1990-10-03 |
Family
ID=30745331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984187861U Expired JPH0236268Y2 (en) | 1984-12-11 | 1984-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236268Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200459742Y1 (en) | 2010-08-13 | 2012-04-13 | 리엔 창 일렉트로닉 엔터프라이즈 컴퍼니 리미티드 | Integrated circuit board |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606221B2 (en) * | 1979-08-06 | 1985-02-16 | 東洋製罐株式会社 | Method and device for manufacturing hollow plastic bodies |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5988928U (en) * | 1982-12-04 | 1984-06-16 | パイオニア株式会社 | power filter |
| JPS606221U (en) * | 1983-06-24 | 1985-01-17 | 株式会社村田製作所 | 3-terminal capacitor with abnormal voltage absorption function |
-
1984
- 1984-12-11 JP JP1984187861U patent/JPH0236268Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606221B2 (en) * | 1979-08-06 | 1985-02-16 | 東洋製罐株式会社 | Method and device for manufacturing hollow plastic bodies |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61102034U (en) | 1986-06-28 |
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