CN113933573A - 一种宽量程高精度闭环电流传感器 - Google Patents
一种宽量程高精度闭环电流传感器 Download PDFInfo
- Publication number
- CN113933573A CN113933573A CN202111142675.6A CN202111142675A CN113933573A CN 113933573 A CN113933573 A CN 113933573A CN 202111142675 A CN202111142675 A CN 202111142675A CN 113933573 A CN113933573 A CN 113933573A
- Authority
- CN
- China
- Prior art keywords
- signal
- magnetic
- current
- sensing chip
- current sensor
- 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
- 230000002238 attenuated effect Effects 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 5
- 150000001868 cobalt Chemical class 0.000 claims description 2
- 150000002505 iron Chemical class 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 150000002815 nickel Chemical class 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111142675.6A CN113933573B (zh) | 2021-09-28 | 一种宽量程高精度闭环电流传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111142675.6A CN113933573B (zh) | 2021-09-28 | 一种宽量程高精度闭环电流传感器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113933573A true CN113933573A (zh) | 2022-01-14 |
CN113933573B CN113933573B (zh) | 2024-07-02 |
Family
ID=
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116482432A (zh) * | 2023-03-13 | 2023-07-25 | 蚌埠希磁科技有限公司 | 电流传感器、电流检测电路及电源设备 |
CN117543503A (zh) * | 2023-11-13 | 2024-02-09 | 重庆电道智能科技有限公司 | 漏电保护装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103616550A (zh) * | 2013-11-29 | 2014-03-05 | 河北工业大学 | 巨磁阻电流传感器 |
CN106018919A (zh) * | 2016-05-20 | 2016-10-12 | 清华大学 | 一种基于隧道磁阻效应的宽量程宽频带电流传感器 |
CN207908572U (zh) * | 2018-03-13 | 2018-09-25 | 海宁嘉晨汽车电子技术有限公司 | 一种高精度、闭环式磁阻电流传感器 |
CN110146737A (zh) * | 2019-05-28 | 2019-08-20 | 杭州电子科技大学 | 一种基于磁分流结构的大量程电流传感器 |
CN110398703A (zh) * | 2019-07-10 | 2019-11-01 | 杭州电子科技大学 | 一种垂直灵敏的磁传感器闭环式芯上在位反馈装置 |
CN113109616A (zh) * | 2021-04-27 | 2021-07-13 | 杭州电子科技大学 | 一种基于磁分流结构的闭环电流传感器 |
CN216013489U (zh) * | 2021-09-28 | 2022-03-11 | 杭州电子科技大学 | 宽量程闭环式电流传感器 |
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103616550A (zh) * | 2013-11-29 | 2014-03-05 | 河北工业大学 | 巨磁阻电流传感器 |
CN106018919A (zh) * | 2016-05-20 | 2016-10-12 | 清华大学 | 一种基于隧道磁阻效应的宽量程宽频带电流传感器 |
CN207908572U (zh) * | 2018-03-13 | 2018-09-25 | 海宁嘉晨汽车电子技术有限公司 | 一种高精度、闭环式磁阻电流传感器 |
CN110146737A (zh) * | 2019-05-28 | 2019-08-20 | 杭州电子科技大学 | 一种基于磁分流结构的大量程电流传感器 |
CN110398703A (zh) * | 2019-07-10 | 2019-11-01 | 杭州电子科技大学 | 一种垂直灵敏的磁传感器闭环式芯上在位反馈装置 |
CN113109616A (zh) * | 2021-04-27 | 2021-07-13 | 杭州电子科技大学 | 一种基于磁分流结构的闭环电流传感器 |
CN216013489U (zh) * | 2021-09-28 | 2022-03-11 | 杭州电子科技大学 | 宽量程闭环式电流传感器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116482432A (zh) * | 2023-03-13 | 2023-07-25 | 蚌埠希磁科技有限公司 | 电流传感器、电流检测电路及电源设备 |
CN117543503A (zh) * | 2023-11-13 | 2024-02-09 | 重庆电道智能科技有限公司 | 漏电保护装置 |
CN117543503B (zh) * | 2023-11-13 | 2024-05-24 | 重庆电道智能科技有限公司 | 漏电保护装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106018919B (zh) | 一种基于隧道磁阻效应的宽量程宽频带电流传感器 | |
CN101788596A (zh) | Tmr电流传感器 | |
CN106018942B (zh) | 一种用于测量三相电流的电流传感器阵列及测量方法 | |
CN103616550A (zh) | 巨磁阻电流传感器 | |
CN102323467A (zh) | 一种采用非晶合金磁环结构的巨磁电阻效应电流传感器 | |
CN205210163U (zh) | 一种巨磁阻效应电流传感器 | |
CN104297548A (zh) | 电流传感器 | |
CN114264861B (zh) | 一种电流传感器 | |
CN101915900A (zh) | 非晶丝磁阻抗传感器以及基于非晶丝磁阻抗效应的磁场探测方法 | |
CN113917215B (zh) | 一种电流传感器 | |
CN113109616A (zh) | 一种基于磁分流结构的闭环电流传感器 | |
CN113341211B (zh) | 一种磁通门电流传感器及其测量方法 | |
CN114778920A (zh) | 一种单磁环双量程高精度闭环电流传感器 | |
CN203630195U (zh) | 巨磁阻电流传感器 | |
CN111323737A (zh) | 一种阻抗敏感型磁传感器及其硬件检测电路 | |
CN103454597A (zh) | 电流感应测量装置、测量方法及灵敏度调节方法 | |
CN104776791B (zh) | 一种位移传感器和测量位移的方法 | |
CN110095643A (zh) | 一种单磁芯四气隙开环霍尔电流传感器 | |
CN216013489U (zh) | 宽量程闭环式电流传感器 | |
CN113933573B (zh) | 一种宽量程高精度闭环电流传感器 | |
CN113933573A (zh) | 一种宽量程高精度闭环电流传感器 | |
CN108469594B (zh) | 一种高精度、闭环式梯度磁阻传感器 | |
CN201152885Y (zh) | 非接触式测量电流的装置 | |
CN216310100U (zh) | 磁分流结构的闭环式电流传感器 | |
CN201876534U (zh) | 非晶丝磁阻抗传感器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Bai Ru Inventor after: Dou Aiyu Inventor after: Qian Zhenghong Inventor after: Lan Tian Inventor after: Wang Jie Inventor after: Li Jun Inventor after: Zhu Jianguo Inventor before: Qian Zhenghong Inventor before: Dou Aiyu Inventor before: Bai Ru Inventor before: Lan Tian Inventor before: Wang Jie Inventor before: Li Jun Inventor before: Zhu Jianguo |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant |