CN102385000A - Zero crossing detection circuit of electric meter system - Google Patents
Zero crossing detection circuit of electric meter system Download PDFInfo
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- CN102385000A CN102385000A CN2010102675022A CN201010267502A CN102385000A CN 102385000 A CN102385000 A CN 102385000A CN 2010102675022 A CN2010102675022 A CN 2010102675022A CN 201010267502 A CN201010267502 A CN 201010267502A CN 102385000 A CN102385000 A CN 102385000A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 5
- 240000002853 Nelumbo nucifera Species 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010267502.2A CN102385000B (en) | 2010-08-27 | 2010-08-27 | Zero crossing detection circuit of electric meter system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010267502.2A CN102385000B (en) | 2010-08-27 | 2010-08-27 | Zero crossing detection circuit of electric meter system |
Publications (2)
Publication Number | Publication Date |
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CN102385000A true CN102385000A (en) | 2012-03-21 |
CN102385000B CN102385000B (en) | 2015-07-01 |
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CN201010267502.2A Active CN102385000B (en) | 2010-08-27 | 2010-08-27 | Zero crossing detection circuit of electric meter system |
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CN (1) | CN102385000B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103887998A (en) * | 2012-12-20 | 2014-06-25 | 深圳市力生美半导体器件有限公司 | Switch power source and switch power source integration circuit |
CN106501587A (en) * | 2016-11-04 | 2017-03-15 | 青岛新芯智能电子科技有限公司 | Isolated accurate zero cross detection circuit |
EP4194859A1 (en) * | 2021-12-08 | 2023-06-14 | Hangzhou Lianxintong Semiconductor Co., Ltd. | Zero-crossing detection circuit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04109817A (en) * | 1990-08-27 | 1992-04-10 | Mitsubishi Electric Corp | Instantaneous power interruption and instantaneous voltage drop detecting circuit |
CN201063054Y (en) * | 2007-06-27 | 2008-05-21 | 临安科星电子有限公司 | Isolated circuit for detecting power supply phase |
CN201203647Y (en) * | 2008-05-29 | 2009-03-04 | 青岛海信宽带多媒体技术股份有限公司 | AC zero-cross detection circuit and electric force carrier adapter with the same |
CN201514441U (en) * | 2009-08-06 | 2010-06-23 | 广东科能通用电气有限公司 | Current zero-crossing detection current circuit |
-
2010
- 2010-08-27 CN CN201010267502.2A patent/CN102385000B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04109817A (en) * | 1990-08-27 | 1992-04-10 | Mitsubishi Electric Corp | Instantaneous power interruption and instantaneous voltage drop detecting circuit |
CN201063054Y (en) * | 2007-06-27 | 2008-05-21 | 临安科星电子有限公司 | Isolated circuit for detecting power supply phase |
CN201203647Y (en) * | 2008-05-29 | 2009-03-04 | 青岛海信宽带多媒体技术股份有限公司 | AC zero-cross detection circuit and electric force carrier adapter with the same |
CN201514441U (en) * | 2009-08-06 | 2010-06-23 | 广东科能通用电气有限公司 | Current zero-crossing detection current circuit |
Non-Patent Citations (1)
Title |
---|
张财志 等: "三相电源过零信号检测及相序自适应的研究与实现", 《国外电子元器件》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103887998A (en) * | 2012-12-20 | 2014-06-25 | 深圳市力生美半导体器件有限公司 | Switch power source and switch power source integration circuit |
CN106501587A (en) * | 2016-11-04 | 2017-03-15 | 青岛新芯智能电子科技有限公司 | Isolated accurate zero cross detection circuit |
EP4194859A1 (en) * | 2021-12-08 | 2023-06-14 | Hangzhou Lianxintong Semiconductor Co., Ltd. | Zero-crossing detection circuit |
Also Published As
Publication number | Publication date |
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CN102385000B (en) | 2015-07-01 |
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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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CP03 | Change of name, title or address |
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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