JPS59176328U - Power outage detection circuit - Google Patents

Power outage detection circuit

Info

Publication number
JPS59176328U
JPS59176328U JP7082783U JP7082783U JPS59176328U JP S59176328 U JPS59176328 U JP S59176328U JP 7082783 U JP7082783 U JP 7082783U JP 7082783 U JP7082783 U JP 7082783U JP S59176328 U JPS59176328 U JP S59176328U
Authority
JP
Japan
Prior art keywords
circuit
load
detection circuit
voltage
power outage
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.)
Granted
Application number
JP7082783U
Other languages
Japanese (ja)
Other versions
JPH0145223Y2 (en
Inventor
菅原　晃弘
Original Assignee
横河電機株式会社
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 by 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP7082783U priority Critical patent/JPS59176328U/en
Publication of JPS59176328U publication Critical patent/JPS59176328U/en
Application granted granted Critical
Publication of JPH0145223Y2 publication Critical patent/JPH0145223Y2/ja
Granted legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、従来例の電気的接続図、第２図は、第１図の
装置の動作説明図、第３図は、本考案実施例の電気的接
続図、第４図は、第３図の装置の動作説明図である。 Ｄｌ・・・整流回路、ｃｌ、ｃ２・・・コンデンサ、Ｃ
Ｔ・・・負荷検出回路、ＲＥＧ・・・定置化回路、Ｒ１
−Ｒ５・・・抵抗、Ｄ２．Ｄ４・・・ダイオード、Ｄ３
・・・ゼナーダイオード、Ｕ・・・比較器。 Ｖｉ’ｎ　　　ｌ 「−ｍ− 曜FIG. 1 is an electrical connection diagram of the conventional example, FIG. 2 is an explanatory diagram of the operation of the device shown in FIG. 1, FIG. 3 is an electrical connection diagram of the embodiment of the present invention, and FIG. It is an explanatory diagram of the operation of the device shown in the figure. Dl... Rectifier circuit, cl, c2... Capacitor, C
T...Load detection circuit, REG...Stationary circuit, R1
-R5...Resistance, D2. D4...Diode, D3
... Zener diode, U... comparator. Vi'n l ``-m- YO

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電圧を整流回路で整流し、平滑回路で平滑し、安定
化回路で安定化して負荷に供給する電源装置に組み合わ
される停電検出回路であって、電源装置の平滑回路の両
端電圧を分圧する分圧回路、電源装置の安定化回路の入
力電流又は出力電流に基づいて負荷を検出し負荷に対応
した出力電圧を生じる負荷検出回路、所定の負荷状態以
下の負荷状態において前記負荷検出回路の出力電圧より
も大きくなる一定の出力電圧を生じる定電圧回路、及び
、前記分圧回路の出力電圧を前記負荷検出回路の出力電
圧と前記定電圧回路の出力電圧のうち大きい方と比較し
、前者の出力電圧が後者の出力電圧を下回ったとき停電
検出信号を発生する比較器を具備する停電検出回路。A power failure detection circuit that is combined with a power supply that rectifies AC voltage in a rectifier circuit, smoothes it in a smoothing circuit, stabilizes it in a stabilization circuit, and supplies it to the load. A voltage circuit, a load detection circuit that detects a load based on the input current or output current of a stabilizing circuit of a power supply device and generates an output voltage corresponding to the load, and an output voltage of the load detection circuit in a load state below a predetermined load state. A constant voltage circuit that produces a constant output voltage that is greater than A power outage detection circuit comprising a comparator that generates a power outage detection signal when the voltage falls below the output voltage of the latter.
JP7082783U 1983-05-12 1983-05-12 Power outage detection circuit Granted JPS59176328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7082783U JPS59176328U (en) 1983-05-12 1983-05-12 Power outage detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7082783U JPS59176328U (en) 1983-05-12 1983-05-12 Power outage detection circuit

Publications (2)

Publication Number Publication Date
JPS59176328U true JPS59176328U (en) 1984-11-26
JPH0145223Y2 JPH0145223Y2 (en) 1989-12-27

Family

ID=30200977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7082783U Granted JPS59176328U (en) 1983-05-12 1983-05-12 Power outage detection circuit

Country Status (1)

Country Link
JP (1) JPS59176328U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129714A (en) * 1987-11-13 1989-05-23 Tokyo Electric Co Ltd Power interruption detecting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129714A (en) * 1987-11-13 1989-05-23 Tokyo Electric Co Ltd Power interruption detecting circuit

Also Published As

Publication number Publication date
JPH0145223Y2 (en) 1989-12-27

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