JPS6445440U - - Google Patents
Info
- Publication number
- JPS6445440U JPS6445440U JP1987140598U JP14059887U JPS6445440U JP S6445440 U JPS6445440 U JP S6445440U JP 1987140598 U JP1987140598 U JP 1987140598U JP 14059887 U JP14059887 U JP 14059887U JP S6445440 U JPS6445440 U JP S6445440U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- switch means
- output signal
- voltage detection
- detection means
- 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 3
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Description
第1図はこの考案の実施例を示す回路図、第2
図は第1図に示す回路の動作特性を示すグラフ、
第3図は従来の技術による不足電圧引はずし制御
装置の回路図である。 7,8:端子、16:不足電圧引はずしコイル
、22:ツエナーダイオード、30,33:トラ
ンジスタ、31:負荷抵抗。
図は第1図に示す回路の動作特性を示すグラフ、
第3図は従来の技術による不足電圧引はずし制御
装置の回路図である。 7,8:端子、16:不足電圧引はずしコイル
、22:ツエナーダイオード、30,33:トラ
ンジスタ、31:負荷抵抗。
Claims (1)
- 【実用新案登録請求の範囲】 内部抵抗を有する直流電源の電圧が所定値以上
のとき出力信号を出力する電圧検出手段、 電圧検出手段の出力信号により作動し、しや断
器の不足電圧引はずしコイルを前記直流電源に接
続する第1のスイツチ手段、 電圧検出手段の出力信号により作動し、第1の
スイツチ手段が開のとき閉となり、第1のスイツ
チ手段が閉のとき開となる第2のスイツチ手段、
及び 第2のスイツチ手段により前記直流電源に接続
され、抵抗値が前記不足電圧引はずしコイルの直
流抵抗より小さい負荷抵抗 を有するしや断器の不足電圧引はずし制御装置
。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987140598U JPH082918Y2 (ja) | 1987-09-14 | 1987-09-14 | しゃ断器の不足電圧引はずし制御装置 |
KR2019880010261U KR910002728Y1 (ko) | 1987-09-14 | 1988-06-29 | 차단기의 부족전압 트립제어장치 |
US07/229,719 US4901184A (en) | 1987-09-14 | 1988-08-08 | Trip control apparatus of circuit breaker |
ZA885918A ZA885918B (en) | 1987-09-14 | 1988-08-11 | Trip control apparatus of circuit breaker |
EP88114882A EP0307842B1 (en) | 1987-09-14 | 1988-09-12 | Trip control apparatus of circuit breaker |
DE88114882T DE3886637T2 (de) | 1987-09-14 | 1988-09-12 | Auslöseeinrichtung für Schutzschalter. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987140598U JPH082918Y2 (ja) | 1987-09-14 | 1987-09-14 | しゃ断器の不足電圧引はずし制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6445440U true JPS6445440U (ja) | 1989-03-20 |
JPH082918Y2 JPH082918Y2 (ja) | 1996-01-29 |
Family
ID=15272424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987140598U Expired - Lifetime JPH082918Y2 (ja) | 1987-09-14 | 1987-09-14 | しゃ断器の不足電圧引はずし制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4901184A (ja) |
EP (1) | EP0307842B1 (ja) |
JP (1) | JPH082918Y2 (ja) |
KR (1) | KR910002728Y1 (ja) |
DE (1) | DE3886637T2 (ja) |
ZA (1) | ZA885918B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5212617A (en) * | 1989-12-29 | 1993-05-18 | Robert Bosch Gmbh | Circuit for compensating very fast current fluctuations |
US5335132A (en) * | 1991-06-17 | 1994-08-02 | Harris Corporation | Overvoltage sensor with hysteresis |
KR20120071537A (ko) * | 2010-12-23 | 2012-07-03 | 엘에스산전 주식회사 | 배선용 차단기의 트립 장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191894U (ja) * | 1983-06-08 | 1984-12-19 | 愛知電機株式会社 | モ−タの異常検出装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3749944A (en) * | 1971-08-19 | 1973-07-31 | Westinghouse Electric Corp | Undervoltage sensing circuit |
US3772568A (en) * | 1972-09-14 | 1973-11-13 | Chafin G | Low voltage appliance protector |
US4061518A (en) * | 1974-07-01 | 1977-12-06 | Harold C. Hohbach | Method for making an article having replicated coating with durable dielectric overcoat |
US3936701A (en) * | 1974-08-29 | 1976-02-03 | Westinghouse Electric Corporation | Timing circuit for electronic undervoltage detecting device and latch |
JPS5812829B2 (ja) * | 1976-04-28 | 1983-03-10 | 株式会社日立製作所 | 直流回路の保護装置 |
DE2731848C2 (de) * | 1977-07-14 | 1985-06-20 | Metrawatt GmbH, 8500 Nürnberg | Schutzschaltung für batteriegespeiste Meßgeräte |
US4163271A (en) * | 1977-09-02 | 1979-07-31 | Michael L. Manning | Electronic switching apparatus |
US4270156A (en) * | 1979-04-09 | 1981-05-26 | General Equipment & Mfg. Co., Inc. | Electronic synchronization monitor |
JPS571041A (en) * | 1980-06-02 | 1982-01-06 | Shibuya Kogyo Co Ltd | Labeller |
-
1987
- 1987-09-14 JP JP1987140598U patent/JPH082918Y2/ja not_active Expired - Lifetime
-
1988
- 1988-06-29 KR KR2019880010261U patent/KR910002728Y1/ko not_active IP Right Cessation
- 1988-08-08 US US07/229,719 patent/US4901184A/en not_active Expired - Fee Related
- 1988-08-11 ZA ZA885918A patent/ZA885918B/xx unknown
- 1988-09-12 DE DE88114882T patent/DE3886637T2/de not_active Expired - Fee Related
- 1988-09-12 EP EP88114882A patent/EP0307842B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191894U (ja) * | 1983-06-08 | 1984-12-19 | 愛知電機株式会社 | モ−タの異常検出装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH082918Y2 (ja) | 1996-01-29 |
EP0307842A3 (en) | 1990-06-13 |
ZA885918B (en) | 1989-05-30 |
KR890007658U (ko) | 1989-05-17 |
DE3886637D1 (de) | 1994-02-10 |
EP0307842A2 (en) | 1989-03-22 |
EP0307842B1 (en) | 1993-12-29 |
KR910002728Y1 (ko) | 1991-04-26 |
US4901184A (en) | 1990-02-13 |
DE3886637T2 (de) | 1994-04-14 |
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