JPS5880743U - Voltage abnormality detection circuit - Google Patents

Voltage abnormality detection circuit

Info

Publication number
JPS5880743U
JPS5880743U JP17594481U JP17594481U JPS5880743U JP S5880743 U JPS5880743 U JP S5880743U JP 17594481 U JP17594481 U JP 17594481U JP 17594481 U JP17594481 U JP 17594481U JP S5880743 U JPS5880743 U JP S5880743U
Authority
JP
Japan
Prior art keywords
voltage
detection circuit
abnormality detection
voltage abnormality
inputs
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
JP17594481U
Other languages
Japanese (ja)
Inventor
透 中村
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP17594481U priority Critical patent/JPS5880743U/en
Publication of JPS5880743U publication Critical patent/JPS5880743U/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (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 drawings]

第1図は従来の電圧異常検出回路図、第2図はこの考案
の一実施例による電圧異常検出回路図、第3図はこの考
案の他の実施例を示す電圧異常検出回路図である。 図において、El、 −E2. E3. −E、、−E
2n−□、−E2nは電圧信号、ΔVRは正の基準電圧
、−ΔVRは負の基準電圧、3.4はコンパレータ、8
゜9はOR回路を形成するダイオード、15.16は加
算抵抗部である。なお、図中同一符号は同−又は相当部
分を示す。
FIG. 1 is a diagram of a conventional voltage abnormality detection circuit, FIG. 2 is a voltage abnormality detection circuit diagram according to an embodiment of this invention, and FIG. 3 is a voltage abnormality detection circuit diagram showing another embodiment of this invention. In the figure, El, -E2. E3. -E, -E
2n-□, -E2n is a voltage signal, ΔVR is a positive reference voltage, -ΔVR is a negative reference voltage, 3.4 is a comparator, 8
9 is a diode forming an OR circuit, and 15.16 is an addition resistor. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 極性の異なる複数の電圧信号を入力して加算する抵抗部
、この抵抗部で加算された上記電圧信号と正の基準電圧
を入力して比較する第1のコンパレータ、上記抵抗部で
加算された上記電圧信号と負の基準電圧とを入力して比
較する第2のコンパレータ、および上記電圧信号が上記
2つのコンパレータの少なくともいずれか一方の基準電
圧をこえれば異常信号を出す回路を備えた電圧異常検出
回路。
a resistor unit that inputs and adds a plurality of voltage signals with different polarities; a first comparator that inputs and compares the voltage signals added by the resistor unit with a positive reference voltage; A voltage abnormality comprising a second comparator that inputs and compares a voltage signal and a negative reference voltage, and a circuit that issues an abnormality signal if the voltage signal exceeds the reference voltage of at least one of the two comparators. detection circuit.
JP17594481U 1981-11-25 1981-11-25 Voltage abnormality detection circuit Pending JPS5880743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17594481U JPS5880743U (en) 1981-11-25 1981-11-25 Voltage abnormality detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17594481U JPS5880743U (en) 1981-11-25 1981-11-25 Voltage abnormality detection circuit

Publications (1)

Publication Number Publication Date
JPS5880743U true JPS5880743U (en) 1983-06-01

Family

ID=29968562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17594481U Pending JPS5880743U (en) 1981-11-25 1981-11-25 Voltage abnormality detection circuit

Country Status (1)

Country Link
JP (1) JPS5880743U (en)

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