JPS5880743U - Voltage abnormality detection circuit - Google Patents
Voltage abnormality detection circuitInfo
- 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
Links
Landscapes
- 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
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)
、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.
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) |
-
1981
- 1981-11-25 JP JP17594481U patent/JPS5880743U/en active Pending
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