JPS63181963U - - Google Patents
Info
- Publication number
- JPS63181963U JPS63181963U JP7255787U JP7255787U JPS63181963U JP S63181963 U JPS63181963 U JP S63181963U JP 7255787 U JP7255787 U JP 7255787U JP 7255787 U JP7255787 U JP 7255787U JP S63181963 U JPS63181963 U JP S63181963U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- dividing means
- abnormality detection
- detection circuit
- divides
- 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
Links
- 230000005856 abnormality Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図……本考案の実施例にかかわる電圧異常
検知回路、第２図……第１図の電圧異常検知回路
の動作を説明する図、第３図……従来の電圧異常
検知回路。
図において、１はコンデンサ、２は電圧分圧回
路、３は負荷、４は基準電圧源、５ないし７はコ
ンパレータ、８は基準電圧発生回路である。
FIG. 1 shows a voltage abnormality detection circuit according to an embodiment of the present invention, FIG. 2 shows an explanation of the operation of the voltage abnormality detection circuit shown in FIG. 1, and FIG. 3 shows a conventional voltage abnormality detection circuit. In the figure, 1 is a capacitor, 2 is a voltage dividing circuit, 3 is a load, 4 is a reference voltage source, 5 to 7 are comparators, and 8 is a reference voltage generating circuit.
Claims (1)
ことを検知する電圧異常検知回路において、該印
加電圧を分圧する第１の分圧手段と、該印加電圧
が所定値以下の時は一定の基準電圧を発生し該所
定値以上の時は該印加電圧に比例して増加する基
準電圧を発生する基準電圧発生回路と、該第１の
分圧手段による分圧と該基準電圧とが入力される
コンパレータとを有することを特徴とする電圧異
常検知回路。 A voltage abnormality detection circuit that detects that the voltage applied to a load is outside a desired range includes a first voltage dividing means that divides the applied voltage, and a constant voltage dividing means that divides the applied voltage when the applied voltage is below a predetermined value. A reference voltage generation circuit that generates a reference voltage and increases in proportion to the applied voltage when the voltage exceeds the predetermined value, and the divided voltage by the first voltage dividing means and the reference voltage are inputted. A voltage abnormality detection circuit comprising a comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987072557U JPH0645266Y2 (en) | 1987-05-15 | 1987-05-15 | Voltage abnormality detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987072557U JPH0645266Y2 (en) | 1987-05-15 | 1987-05-15 | Voltage abnormality detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63181963U true JPS63181963U (en) | 1988-11-24 |
| JPH0645266Y2 JPH0645266Y2 (en) | 1994-11-16 |
Family
ID=30916109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987072557U Expired - Lifetime JPH0645266Y2 (en) | 1987-05-15 | 1987-05-15 | Voltage abnormality detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645266Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020148464A (en) * | 2019-03-11 | 2020-09-17 | エイブリック株式会社 | Voltage detector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5821866U (en) * | 1981-08-04 | 1983-02-10 | オムロン株式会社 | level detection device |
| JPS58165677U (en) * | 1982-04-30 | 1983-11-04 | 株式会社東海理化電機製作所 | window comparator |
-
1987
- 1987-05-15 JP JP1987072557U patent/JPH0645266Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5821866U (en) * | 1981-08-04 | 1983-02-10 | オムロン株式会社 | level detection device |
| JPS58165677U (en) * | 1982-04-30 | 1983-11-04 | 株式会社東海理化電機製作所 | window comparator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020148464A (en) * | 2019-03-11 | 2020-09-17 | エイブリック株式会社 | Voltage detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0645266Y2 (en) | 1994-11-16 |