SG105572A1 - A load overcurrent alarm device and a connector overheat alarm device - Google Patents
A load overcurrent alarm device and a connector overheat alarm deviceInfo
- Publication number
- SG105572A1 SG105572A1 SG200301505A SG200301505A SG105572A1 SG 105572 A1 SG105572 A1 SG 105572A1 SG 200301505 A SG200301505 A SG 200301505A SG 200301505 A SG200301505 A SG 200301505A SG 105572 A1 SG105572 A1 SG 105572A1
- Authority
- SG
- Singapore
- Prior art keywords
- alarm device
- load overcurrent
- connector
- connector overheat
- overheat
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN02236180U CN2585242Y (en) | 2002-05-24 | 2002-05-24 | Load overcurrent alarming device and connector overtemperature alarming device |
Publications (1)
Publication Number | Publication Date |
---|---|
SG105572A1 true SG105572A1 (en) | 2004-08-27 |
Family
ID=4779028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200301505A SG105572A1 (en) | 2002-05-24 | 2003-03-26 | A load overcurrent alarm device and a connector overheat alarm device |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN2585242Y (en) |
GB (1) | GB2388977A (en) |
HK (1) | HK1051121A2 (en) |
SG (1) | SG105572A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7446643B2 (en) | 2004-11-23 | 2008-11-04 | The Hong Kong Polytechnic University | Resetable over-current and/or over-temperature protection system |
KR100870618B1 (en) * | 2006-12-29 | 2008-11-25 | 엘에스산전 주식회사 | Apparatus for protecting Air Circuit Breaker |
GB2446186A (en) * | 2007-01-30 | 2008-08-06 | Jonathan Champion | Electrical safety device |
CN101835313B (en) * | 2010-05-19 | 2014-10-01 | 北京中庆微数字设备开发有限公司 | LED control device with current monitoring function |
CN101841961B (en) * | 2010-05-19 | 2014-10-01 | 北京中庆微数字设备开发有限公司 | LED control device with current and temperature monitoring function |
US8836525B2 (en) | 2011-06-06 | 2014-09-16 | Lear Corporation | Isolated resistive current sensor |
SG189581A1 (en) * | 2011-10-21 | 2013-05-31 | Schneider Electric South East Asia Hq Pte Ltd | A relay with an intermediate alert mechanism |
US9787083B2 (en) | 2012-12-06 | 2017-10-10 | Twin-Star International, Inc. | Overheat-resistant power cord and method |
DE102013212925A1 (en) | 2013-07-03 | 2015-01-08 | Zf Friedrichshafen Ag | Control device and method for monitoring a function of a semiconductor device during its operation and electrical assembly with a control device |
CN103389675A (en) * | 2013-08-07 | 2013-11-13 | 兰如根 | Voice prompt device for overload work of electric appliance |
CN104374493B (en) * | 2014-11-03 | 2017-10-31 | 金杯电工衡阳电缆有限公司 | Large Copacity charging cable intermittent loads test method |
CN104537809B (en) * | 2015-01-05 | 2017-03-22 | 安康学院 | Automatic control alarm system for overtemperature |
CN104949772B (en) * | 2015-06-19 | 2017-12-05 | 北京安仁和创科技发展有限公司 | A kind of power outlet of temperature sensor and the application temperature sensor |
CN107966606B (en) * | 2017-11-23 | 2019-11-12 | 国网四川省电力公司电力科学研究院 | A kind of electric system high-voltage shunt reactor overcurrent false alarm method of discrimination |
CN108152543B (en) * | 2018-01-19 | 2023-06-23 | 国网江苏省电力有限公司宿迁供电分公司 | Electric energy metering junction box with fault alarm function |
CN112848891B (en) * | 2019-11-28 | 2023-09-29 | 厦门雅迅网络股份有限公司 | Heating control circuit of vehicle-mounted equipment |
CN112285473A (en) * | 2020-10-30 | 2021-01-29 | 尹永云 | Electric bicycle battery overdischarge detection device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054932A (en) * | 1976-02-02 | 1977-10-18 | Square D Company | Over-current protective apparatus for a power circuit |
US4377837A (en) * | 1980-04-15 | 1983-03-22 | Westinghouse Electric Corp. | Circuit interrupter with overtemperature trip device |
GB2162006A (en) * | 1984-07-09 | 1986-01-22 | Peabody Coal Co | Dc power control system |
EP0444622A2 (en) * | 1990-02-28 | 1991-09-04 | Mitsubishi Denki Kabushiki Kaisha | Circuit breaker with detachable tripping tester |
JPH04168937A (en) * | 1990-10-31 | 1992-06-17 | Toshiba Corp | Watthour meter provided with overcurrent alarm function |
JPH05292653A (en) * | 1992-04-06 | 1993-11-05 | Sharp Corp | Over-rating warning circuit |
GB2305315A (en) * | 1995-09-15 | 1997-04-02 | Crabtree Electrical Ind Ltd | Residual current device with reset and test facilities |
JP2000261951A (en) * | 1999-03-05 | 2000-09-22 | Fuji Electric Co Ltd | Overcurrent protection relay |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2301498B (en) * | 1992-07-22 | 1997-01-29 | Technology Res Corp | Ground fault circuit interrupter |
US6218844B1 (en) * | 1998-12-16 | 2001-04-17 | Square D Company | Method and apparatus for testing an arcing fault circuit interrupter |
-
2002
- 2002-05-24 CN CN02236180U patent/CN2585242Y/en not_active Expired - Fee Related
-
2003
- 2003-03-18 HK HK03102002A patent/HK1051121A2/en unknown
- 2003-03-26 SG SG200301505A patent/SG105572A1/en unknown
- 2003-04-03 GB GB0307680A patent/GB2388977A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054932A (en) * | 1976-02-02 | 1977-10-18 | Square D Company | Over-current protective apparatus for a power circuit |
US4377837A (en) * | 1980-04-15 | 1983-03-22 | Westinghouse Electric Corp. | Circuit interrupter with overtemperature trip device |
GB2162006A (en) * | 1984-07-09 | 1986-01-22 | Peabody Coal Co | Dc power control system |
EP0444622A2 (en) * | 1990-02-28 | 1991-09-04 | Mitsubishi Denki Kabushiki Kaisha | Circuit breaker with detachable tripping tester |
JPH04168937A (en) * | 1990-10-31 | 1992-06-17 | Toshiba Corp | Watthour meter provided with overcurrent alarm function |
JPH05292653A (en) * | 1992-04-06 | 1993-11-05 | Sharp Corp | Over-rating warning circuit |
GB2305315A (en) * | 1995-09-15 | 1997-04-02 | Crabtree Electrical Ind Ltd | Residual current device with reset and test facilities |
JP2000261951A (en) * | 1999-03-05 | 2000-09-22 | Fuji Electric Co Ltd | Overcurrent protection relay |
Also Published As
Publication number | Publication date |
---|---|
GB2388977A (en) | 2003-11-26 |
HK1051121A2 (en) | 2003-06-27 |
GB0307680D0 (en) | 2003-05-07 |
CN2585242Y (en) | 2003-11-05 |
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