JPH0279137U - - Google Patents
Info
- Publication number
- JPH0279137U JPH0279137U JP15989888U JP15989888U JPH0279137U JP H0279137 U JPH0279137 U JP H0279137U JP 15989888 U JP15989888 U JP 15989888U JP 15989888 U JP15989888 U JP 15989888U JP H0279137 U JPH0279137 U JP H0279137U
- Authority
- JP
- Japan
- Prior art keywords
- voltage value
- power supply
- detection circuit
- load
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は、この考案の好適な実施例を示す電気
回路図である。
１……異常電圧保護装置、２……電圧検知回路
、３……制御回路、４……第１負荷回路、５……
第２負荷回路。
FIG. 1 is an electrical circuit diagram showing a preferred embodiment of this invention. 1... Abnormal voltage protection device, 2... Voltage detection circuit, 3... Control circuit, 4... First load circuit, 5...
Second load circuit.
Claims (1)
給電回路を開閉する電圧検知回路と、該電圧検知
回路の基準電圧値を前記負荷の状態に応じて可変
する制御回路とを備えたことを特徴とする異常電
圧保護装置。 The present invention is characterized by comprising a voltage detection circuit that opens and closes a power supply circuit of a load according to a power supply voltage value with respect to a reference voltage value, and a control circuit that varies a reference voltage value of the voltage detection circuit according to a state of the load. Abnormal voltage protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159898U JPH0729705Y2 (en) | 1988-12-08 | 1988-12-08 | Abnormal voltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159898U JPH0729705Y2 (en) | 1988-12-08 | 1988-12-08 | Abnormal voltage protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0279137U true JPH0279137U (en) | 1990-06-18 |
| JPH0729705Y2 JPH0729705Y2 (en) | 1995-07-05 |
Family
ID=31441505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988159898U Expired - Lifetime JPH0729705Y2 (en) | 1988-12-08 | 1988-12-08 | Abnormal voltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729705Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04200224A (en) * | 1990-11-29 | 1992-07-21 | Toshiba Corp | Inspection system for digital protective relay |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524026A (en) * | 1975-06-30 | 1977-01-12 | Hitachi Ltd | Low voltage lock and changeeover circuit |
-
1988
- 1988-12-08 JP JP1988159898U patent/JPH0729705Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524026A (en) * | 1975-06-30 | 1977-01-12 | Hitachi Ltd | Low voltage lock and changeeover circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04200224A (en) * | 1990-11-29 | 1992-07-21 | Toshiba Corp | Inspection system for digital protective relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729705Y2 (en) | 1995-07-05 |