JPH0159335U - - Google Patents

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Publication number
JPH0159335U
JPH0159335U JP15520187U JP15520187U JPH0159335U JP H0159335 U JPH0159335 U JP H0159335U JP 15520187 U JP15520187 U JP 15520187U JP 15520187 U JP15520187 U JP 15520187U JP H0159335 U JPH0159335 U JP H0159335U
Authority
JP
Japan
Prior art keywords
circuit
output
input
transistor
constant voltage
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
Application number
JP15520187U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP15520187U priority Critical patent/JPH0159335U/ja
Publication of JPH0159335U publication Critical patent/JPH0159335U/ja
Pending legal-status Critical Current

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  • Electronic Switches (AREA)

Description

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

第１図は本考案に係る電源開閉回路の一実施例
を示す回路図、第２図Ａ，Ｂは同実施例の動作説
明のための電圧波形図、第３図は従来例を示す回
路図である。 Ｃ１〜Ｃ３……コンデンサ、Ｒ１〜Ｒ６……抵
抗、Ｄ１〜Ｄ３……ダイオード、ＺＤ１〜ＺＤ２
……ツエナーダイオード、Ｋ……プツシユ・オン
・スイツチ、ＦＦ……データ保持用Ｄ型フリツプ
フロツプ、Ｑ１〜Ｑ３……トランジスタ、Ｂ……
バツテリー、Ｌ……発電機のコイル、１……定電
圧回路、２……微分回路、３……機器電源部、４
……負荷。 Fig. 1 is a circuit diagram showing an embodiment of the power switching circuit according to the present invention, Fig. 2 A and B are voltage waveform diagrams for explaining the operation of the same embodiment, and Fig. 3 is a circuit diagram showing a conventional example. It is. C1-C3...Capacitor, R1-R6...Resistor, D1-D3...Diode, ZD1-ZD2
...Zener diode, K...Push-on switch, FF...D-type flip-flop for data retention, Q1-Q3...Transistor, B...
Battery, L... Generator coil, 1... Constant voltage circuit, 2... Differential circuit, 3... Equipment power supply section, 4
……load.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流入力電圧から一定の直流電圧を得る定電圧
回路と、入出力端間に設けた出力トランジスタと
、出力側平滑コンデンサと、前記出力トランジス
タの出力側から得た動作状態のデータを入力とす
るデータ保持回路と、このデータ保持回路のデー
タ保持指令端子に信号を供給する微分回路と、前
記定電圧回路と微分回路の間に位置し、開及び閉
の都度操作されるプツシユ・オン・スイツチと、
前記データ保持回路の出力を制御信号として前記
出力トランジスタをオン、オフさせる制御用トラ
ンジスタと、定電圧ダイオードと電流制限用抵抗
を直列に接続し、前記出力トランジスタの入力側
と制御用トランジスタのベースとの間に接続した
過電圧防止回路とを備えてなることを特徴とする
電源開閉回路。 A constant voltage circuit that obtains a constant DC voltage from a DC input voltage, an output transistor provided between the input and output terminals, an output side smoothing capacitor, and data whose input is operating state data obtained from the output side of the output transistor. a holding circuit, a differentiating circuit that supplies a signal to a data holding command terminal of the data holding circuit, and a push-on switch that is located between the constant voltage circuit and the differentiating circuit and is operated each time it is opened or closed;
A control transistor that turns on and off the output transistor using the output of the data holding circuit as a control signal, a constant voltage diode, and a current limiting resistor are connected in series, and the input side of the output transistor and the base of the control transistor are connected in series. and an overvoltage prevention circuit connected between the power switch and the overvoltage prevention circuit.
JP15520187U 1987-10-09 1987-10-09 Pending JPH0159335U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15520187U JPH0159335U (en) 1987-10-09 1987-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15520187U JPH0159335U (en) 1987-10-09 1987-10-09

Publications (1)

Publication Number Publication Date
JPH0159335U true JPH0159335U (en) 1989-04-13

Family

ID=31432618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15520187U Pending JPH0159335U (en) 1987-10-09 1987-10-09

Country Status (1)

Country Link
JP (1) JPH0159335U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130664A (en) * 1973-04-16 1974-12-14
JPS55148322A (en) * 1979-05-09 1980-11-18 Mitsubishi Electric Corp Power switch device
JPS5833322A (en) * 1981-08-21 1983-02-26 Toshiba Corp Transistor circuit
JPS6040219A (en) * 1983-08-13 1985-03-02 Matsushita Electric Works Ltd Manufacture of handle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130664A (en) * 1973-04-16 1974-12-14
JPS55148322A (en) * 1979-05-09 1980-11-18 Mitsubishi Electric Corp Power switch device
JPS5833322A (en) * 1981-08-21 1983-02-26 Toshiba Corp Transistor circuit
JPS6040219A (en) * 1983-08-13 1985-03-02 Matsushita Electric Works Ltd Manufacture of handle

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