JPH01120739U

JPH01120739U -

Info

Publication number: JPH01120739U
Application number: JP1520988U
Authority: JP
Priority date: 1988-02-09
Filing date: 1988-02-09
Publication date: 1989-08-16

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａ，ｂ，ｃは従来の保安器の回路例図、
第２図は本考案の実施例を示す回路図、第３図、
第４図及び第６図は本考案の保安器の特性を説明
するための測定波形図、第５図は従来の保安器の
特性を説明するための測定波形図、第７図及び第
８図は本考案をＡＣプラグに適用した場合の実施
例の構造例を示す分解斜視図及び組立斜視図、第
９図及び第１０図はそれぞれ第８図の―′面
、―′面に沿う断面を含む略図、第１１図及
び第１２図はそれぞれ本考案をＡＣ電源アダプタ
に適用した場合の実施例の構造例を示す分解斜視
図及び組立斜視図である。１……保安器、２……保安器の端子、３……保
安器のアース、４……ＡＣ電源の入力端子、５…
…アース端子、６……ＡＣ電源用コード、７……
外装、１０，２０，３０……双方向サイリスタ。 Figures 1a, b, and c are circuit diagrams of conventional protectors;
Fig. 2 is a circuit diagram showing an embodiment of the present invention; Fig. 3;
4 and 6 are measured waveform diagrams for explaining the characteristics of the protector of the present invention, FIG. 5 is a measurement waveform diagram for explaining the characteristics of the conventional protector, and FIGS. 7 and 8 9 is an exploded perspective view and an assembled perspective view showing a structural example of an embodiment in which the present invention is applied to an AC plug, and FIGS. 9 and 10 are cross-sectional views taken along planes -' and -' of FIG. 8, respectively. 11 and 12 are an exploded perspective view and an assembled perspective view, respectively, showing a structural example of an embodiment in which the present invention is applied to an AC power adapter. 1...Protector, 2...Terminal of the protector, 3...Ground of the protector, 4...AC power input terminal, 5...
...Earth terminal, 6...AC power cord, 7...
Exterior, 10, 20, 30...bidirectional thyristor.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ＡＣ配線相互間及び各ＡＣ配線とアース間に過
電圧、過電流防護素子を付加するように形成され
た保安器において、該過電圧、過電流防護素子と
して半導体素子、例えば双方向サイリスタをアー
ス付ＡＣコンセントプラグ内、またはアース付Ａ
Ｃアダプタ内に組込んだことを特徴とするＡＣ電
源用保安器。 In a protector formed to add overvoltage and overcurrent protection elements between AC wirings and between each AC wiring and ground, a semiconductor element, such as a bidirectional thyristor, is used as the overvoltage and overcurrent protection element when connected to a grounded AC outlet. Inside the plug or with ground A
An AC power protector characterized by being incorporated into a C adapter.