CN102385000B - 电表***的过零检测电路 - Google Patents
电表***的过零检测电路 Download PDFInfo
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- CN102385000B CN102385000B CN201010267502.2A CN201010267502A CN102385000B CN 102385000 B CN102385000 B CN 102385000B CN 201010267502 A CN201010267502 A CN 201010267502A CN 102385000 B CN102385000 B CN 102385000B
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000003990 capacitor Substances 0.000 claims description 17
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CN201010267502.2A CN102385000B (zh) | 2010-08-27 | 2010-08-27 | 电表***的过零检测电路 |
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CN201010267502.2A CN102385000B (zh) | 2010-08-27 | 2010-08-27 | 电表***的过零检测电路 |
Publications (2)
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CN102385000A CN102385000A (zh) | 2012-03-21 |
CN102385000B true CN102385000B (zh) | 2015-07-01 |
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CN201010267502.2A Active CN102385000B (zh) | 2010-08-27 | 2010-08-27 | 电表***的过零检测电路 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103887998A (zh) * | 2012-12-20 | 2014-06-25 | 深圳市力生美半导体器件有限公司 | 开关电源以及开关电源集成电路 |
CN106501587A (zh) * | 2016-11-04 | 2017-03-15 | 青岛新芯智能电子科技有限公司 | 隔离式精准过零检测电路 |
CN114252689A (zh) * | 2021-12-08 | 2022-03-29 | 杭州联芯通半导体有限公司 | 一种过零检测电路 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04109817A (ja) * | 1990-08-27 | 1992-04-10 | Mitsubishi Electric Corp | 瞬停・瞬降検出回路 |
CN201063054Y (zh) * | 2007-06-27 | 2008-05-21 | 临安科星电子有限公司 | 一种隔离型电源相位检测电路 |
CN201203647Y (zh) * | 2008-05-29 | 2009-03-04 | 青岛海信宽带多媒体技术股份有限公司 | 交流过零检测电路及具有所述电路的电力载波适配器 |
CN201514441U (zh) * | 2009-08-06 | 2010-06-23 | 广东科能通用电气有限公司 | 电流过零点检测电流电路 |
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2010
- 2010-08-27 CN CN201010267502.2A patent/CN102385000B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04109817A (ja) * | 1990-08-27 | 1992-04-10 | Mitsubishi Electric Corp | 瞬停・瞬降検出回路 |
CN201063054Y (zh) * | 2007-06-27 | 2008-05-21 | 临安科星电子有限公司 | 一种隔离型电源相位检测电路 |
CN201203647Y (zh) * | 2008-05-29 | 2009-03-04 | 青岛海信宽带多媒体技术股份有限公司 | 交流过零检测电路及具有所述电路的电力载波适配器 |
CN201514441U (zh) * | 2009-08-06 | 2010-06-23 | 广东科能通用电气有限公司 | 电流过零点检测电流电路 |
Non-Patent Citations (1)
Title |
---|
三相电源过零信号检测及相序自适应的研究与实现;张财志 等;《国外电子元器件》;20080930;第16卷(第9期);第57-61页 * |
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CN102385000A (zh) | 2012-03-21 |
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Effective date of registration: 20210414 Address after: 611731 no.1218, Hezuo Road, high tech Zone (West District), Chengdu, Sichuan Province Patentee after: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. Address before: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee before: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. |
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Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: Chengdu Great Wall Development Technology Co.,Ltd. Address before: 611731 no.1218, Hezuo Road, high tech Zone (West District), Chengdu, Sichuan Province Patentee before: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220824 Address after: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee after: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. Address before: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee before: Chengdu Great Wall Development Technology Co.,Ltd. |
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Effective date of registration: 20221215 Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: Chengdu Great Wall Development Technology Co.,Ltd. Address before: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee before: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. |
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