CN101819223A - 三相四线电路的电压、电流采样电路及电压、电流采样方法 - Google Patents
三相四线电路的电压、电流采样电路及电压、电流采样方法 Download PDFInfo
- Publication number
- CN101819223A CN101819223A CN 201010116346 CN201010116346A CN101819223A CN 101819223 A CN101819223 A CN 101819223A CN 201010116346 CN201010116346 CN 201010116346 CN 201010116346 A CN201010116346 A CN 201010116346A CN 101819223 A CN101819223 A CN 101819223A
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistance
- phase
- line
- current
- 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
Images
Landscapes
- Control Of Electrical Variables (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010116346 CN101819223B (zh) | 2010-03-02 | 2010-03-02 | 三相四线电路的电压、电流采样电路及电压、电流采样方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010116346 CN101819223B (zh) | 2010-03-02 | 2010-03-02 | 三相四线电路的电压、电流采样电路及电压、电流采样方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101819223A true CN101819223A (zh) | 2010-09-01 |
CN101819223B CN101819223B (zh) | 2013-01-30 |
Family
ID=42654393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010116346 Active CN101819223B (zh) | 2010-03-02 | 2010-03-02 | 三相四线电路的电压、电流采样电路及电压、电流采样方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101819223B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102662095A (zh) * | 2012-05-07 | 2012-09-12 | 无锡智卓电气有限公司 | 三相电压采样电路 |
CN102680766A (zh) * | 2012-05-07 | 2012-09-19 | 无锡智卓电气有限公司 | 用于控制保护开关的三相电压采样电路 |
CN103516225A (zh) * | 2013-09-25 | 2014-01-15 | 无锡阿比利德电力科技有限公司 | 三相电流切换开关 |
CN104113106A (zh) * | 2014-06-13 | 2014-10-22 | 江苏科技大学 | 一种离网状态下便携式光伏锂电池充电装置 |
CN105301351A (zh) * | 2015-12-04 | 2016-02-03 | 中国电力科学研究院 | 一种用电信息采集系统模组化终端的电源交采模块 |
CN107340420A (zh) * | 2017-07-19 | 2017-11-10 | 广东美的暖通设备有限公司 | 三相电压检测电路和空调器 |
CN111323641A (zh) * | 2020-03-10 | 2020-06-23 | 南京日新科技有限公司 | 一种电流电压采样电路 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2689236Y (zh) * | 2004-04-12 | 2005-03-30 | 吴沛峰 | 三相四线电子式有无功组合电能表 |
CN2750324Y (zh) * | 2004-11-23 | 2006-01-04 | 桐乡市永泰隆电子有限公司 | 三相四线电能表 |
US20060186892A1 (en) * | 2003-07-30 | 2006-08-24 | Kabushiki Kaisha Yaskawa Denki | Open-phase detecting method and apparatus |
CN201043982Y (zh) * | 2007-06-11 | 2008-04-02 | 四川启明星蜀达电气有限公司 | 三相三线、三相四线兼容式电能表 |
-
2010
- 2010-03-02 CN CN 201010116346 patent/CN101819223B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060186892A1 (en) * | 2003-07-30 | 2006-08-24 | Kabushiki Kaisha Yaskawa Denki | Open-phase detecting method and apparatus |
CN2689236Y (zh) * | 2004-04-12 | 2005-03-30 | 吴沛峰 | 三相四线电子式有无功组合电能表 |
CN2750324Y (zh) * | 2004-11-23 | 2006-01-04 | 桐乡市永泰隆电子有限公司 | 三相四线电能表 |
CN201043982Y (zh) * | 2007-06-11 | 2008-04-02 | 四川启明星蜀达电气有限公司 | 三相三线、三相四线兼容式电能表 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102662095A (zh) * | 2012-05-07 | 2012-09-12 | 无锡智卓电气有限公司 | 三相电压采样电路 |
CN102680766A (zh) * | 2012-05-07 | 2012-09-19 | 无锡智卓电气有限公司 | 用于控制保护开关的三相电压采样电路 |
CN103516225A (zh) * | 2013-09-25 | 2014-01-15 | 无锡阿比利德电力科技有限公司 | 三相电流切换开关 |
CN104113106A (zh) * | 2014-06-13 | 2014-10-22 | 江苏科技大学 | 一种离网状态下便携式光伏锂电池充电装置 |
CN104113106B (zh) * | 2014-06-13 | 2016-08-24 | 江苏科技大学 | 一种离网状态下便携式光伏锂电池充电装置 |
CN105301351A (zh) * | 2015-12-04 | 2016-02-03 | 中国电力科学研究院 | 一种用电信息采集系统模组化终端的电源交采模块 |
CN107340420A (zh) * | 2017-07-19 | 2017-11-10 | 广东美的暖通设备有限公司 | 三相电压检测电路和空调器 |
CN107340420B (zh) * | 2017-07-19 | 2023-11-28 | 广东美的暖通设备有限公司 | 三相电压检测电路和空调器 |
CN111323641A (zh) * | 2020-03-10 | 2020-06-23 | 南京日新科技有限公司 | 一种电流电压采样电路 |
Also Published As
Publication number | Publication date |
---|---|
CN101819223B (zh) | 2013-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101819223B (zh) | 三相四线电路的电压、电流采样电路及电压、电流采样方法 | |
CN207703359U (zh) | 一种多路热敏电阻温度采集与处理装置 | |
CN107941363B (zh) | 基于程控双恒流电源的温度变送装置及方法 | |
CN202648827U (zh) | 测温电路、温度采集系统、变频器及温度变送器 | |
CN107870187A (zh) | 一种低成本高精度的饮用水电导率测量方法及测量电路 | |
CN105607540A (zh) | 食物料理机控制方法和系统 | |
CN203689187U (zh) | 一种半导体器件检测用温度控制装置 | |
CN204807651U (zh) | 一种集电器控制及温升测试设备 | |
CN203037842U (zh) | 一种微型电流互感器校验仪 | |
CN2886517Y (zh) | 便携式多通道流量仪表校验仪 | |
CN101788830A (zh) | 数字式温度控制电路 | |
CN106155134A (zh) | 一种富集管温控方法及温控装置 | |
CN103412194B (zh) | 一种电容值测算电路 | |
CN101592541B (zh) | 电压力锅的压力连续检测装置 | |
CN206818787U (zh) | 一种用于同步降压型变换器的过零检测电路 | |
CN206339316U (zh) | 多路温度检测装置 | |
CN202648823U (zh) | 一种单恒流源多通道热电阻测量系统 | |
CN202649263U (zh) | 一种双档单恒流源电路 | |
CN201751883U (zh) | 发热体温度控制电路及发热装置 | |
CN209086768U (zh) | 用于电学检测系统的pwm式温度控制器 | |
CN204154856U (zh) | 三极管放大测试电路 | |
CN209055244U (zh) | 一种模拟热敏电阻的电路及其测温电路 | |
CN201247081Y (zh) | 带温度压力自动补偿的高精度平衡式蒸汽流量计电路 | |
CN102998514B (zh) | 一种用于矿热炉低压补偿的电极电流测量装置 | |
CN207163947U (zh) | 流体导热系数测量仪 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NAIJING APAITEK TECHNOLOGY CO., LTD. Free format text: FORMER NAME: YAPAI SCIENCE + TECHNOLOGY INDUSTRY CO., LTD., NANJING |
|
CP01 | Change in the name or title of a patent holder |
Address after: 211131, Tangshan District, Jiangsu City, Jiangning province Tangshan industrial concentration zone, two road seven weft road junction of Nanjing Patentee after: NANJING APAITEK TECHNOLOGY CO., LTD. Address before: 211131, Tangshan District, Jiangsu City, Jiangning province Tangshan industrial concentration zone, two road seven weft road junction of Nanjing Patentee before: Yapai Science & Technology Industry Co., Ltd., Nanjing |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Voltage and current sampling circuit and voltage and current sampling method in three-phase four-wire circuit Effective date of registration: 20181115 Granted publication date: 20130130 Pledgee: Bank of China Limited by Share Ltd Nanjing Pukou sub branch Pledgor: NANJING APAITEK TECHNOLOGY CO., LTD. Registration number: 2018320000303 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210830 Granted publication date: 20130130 Pledgee: Bank of China Limited by Share Ltd. Nanjing Pukou sub branch Pledgor: NANJING APAITEK TECHNOLOGY Co.,Ltd. Registration number: 2018320000303 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |