CN105092928B - 数字钳型表及其自动测量方法 - Google Patents
数字钳型表及其自动测量方法 Download PDFInfo
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- CN105092928B CN105092928B CN201510437474.7A CN201510437474A CN105092928B CN 105092928 B CN105092928 B CN 105092928B CN 201510437474 A CN201510437474 A CN 201510437474A CN 105092928 B CN105092928 B CN 105092928B
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- resistor
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- operational amplifier
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- 238000005259 measurement Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 169
- 238000012545 processing Methods 0.000 claims description 27
- 238000005070 sampling Methods 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000000691 measurement method Methods 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201510437474.7A CN105092928B (zh) | 2015-07-23 | 2015-07-23 | 数字钳型表及其自动测量方法 |
US15/218,102 US10267823B2 (en) | 2015-07-23 | 2016-07-25 | Digital clamp meter and automatic measurement method thereof |
Applications Claiming Priority (1)
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CN201510437474.7A CN105092928B (zh) | 2015-07-23 | 2015-07-23 | 数字钳型表及其自动测量方法 |
Publications (2)
Publication Number | Publication Date |
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CN105092928A CN105092928A (zh) | 2015-11-25 |
CN105092928B true CN105092928B (zh) | 2018-04-20 |
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Family Applications (1)
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CN201510437474.7A Active CN105092928B (zh) | 2015-07-23 | 2015-07-23 | 数字钳型表及其自动测量方法 |
Country Status (2)
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US (1) | US10267823B2 (zh) |
CN (1) | CN105092928B (zh) |
Families Citing this family (20)
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US9984624B2 (en) * | 2015-12-28 | 2018-05-29 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, driver IC, and electronic device |
CN206638735U (zh) * | 2017-01-20 | 2017-11-14 | 福迪威(上海)工业仪器技术研发有限公司 | 钳形表 |
CN107272489B (zh) * | 2017-06-29 | 2019-12-13 | 山东省科学院激光研究所 | 信号采集系统及方法 |
CN107678369A (zh) * | 2017-11-16 | 2018-02-09 | 西安方元明科技股份有限公司 | 一种激光告警控制系统 |
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CN108562789A (zh) * | 2018-06-13 | 2018-09-21 | 深圳市科陆精密仪器有限公司 | 一种钳表识别系统 |
CN110018340B (zh) * | 2019-03-15 | 2024-09-03 | 广州小鹏汽车科技有限公司 | 一种电池电压采样电路、方法及电池管理系统 |
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CN110265984B (zh) * | 2019-07-19 | 2024-04-02 | 深圳市高新投三江电子股份有限公司 | 一种两线制消防设备直接控制电路 |
CN110763908A (zh) * | 2019-11-11 | 2020-02-07 | 绵阳市维博电子有限责任公司 | 一种数显直流表 |
CN110954739A (zh) * | 2019-11-19 | 2020-04-03 | 上海沪臻智能科技有限公司 | 一种ac电压过零触发检测电路 |
CN111856326B (zh) * | 2020-08-19 | 2025-02-25 | 国家电网有限公司 | 一种在线护套绝缘性能检测仪 |
CN111913045B (zh) * | 2020-09-10 | 2025-03-18 | 烟台大学 | 一种聚乙烯电熔管件电阻的测量装置 |
CN113050011B (zh) * | 2021-03-10 | 2024-06-14 | 桂林理工大学南宁分校 | 一种指针万用表档位检测自动打分装置 |
CN115407246B (zh) * | 2022-09-13 | 2024-06-25 | 杭州老板电器股份有限公司 | 一种连接器实际接触电阻的检测电路及供电装置 |
CN115436689B (zh) * | 2022-09-23 | 2023-09-01 | 陕西省电子技术研究所有限公司 | 一种基于双运放和霍尔电流传感器的电零位测试装置 |
CN115389058B (zh) * | 2022-09-28 | 2023-11-03 | 安徽省锐凌计量器制造有限公司 | 一种信号处理电路、压力变送器、压力变送芯片 |
CN118191396B (zh) * | 2024-04-08 | 2025-03-18 | 广东电网有限责任公司 | 一种回路阻抗钳表感应电压测量方法、装置及系统 |
CN118150972B (zh) * | 2024-05-11 | 2024-07-23 | 西安泽荃半导体科技有限公司 | 钳位电压可调的钳位电路及半导体信号测试电路 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5977365A (ja) * | 1982-10-26 | 1984-05-02 | Seiko Epson Corp | デジタルマルチメ−タ |
JPH04233471A (ja) * | 1990-11-23 | 1992-08-21 | John Fluke Mfg Co Inc | デジタル・マルチメータ及び自動機能選択方法 |
CN2556651Y (zh) * | 2002-01-24 | 2003-06-18 | 徐先 | 一种自动量程的数字式交/直流钳形万用表 |
CN2716846Y (zh) * | 2003-09-28 | 2005-08-10 | 徐先 | 一种自动量程的数字式交流钳形表 |
CN201004072Y (zh) * | 2007-02-12 | 2008-01-09 | 上海四达电子仪表有限公司 | 一种自动转换档位及量程的测量电路 |
CN204989279U (zh) * | 2015-07-23 | 2016-01-20 | 高超 | 数字钳型表 |
Family Cites Families (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3535593A (en) * | 1968-03-28 | 1970-10-20 | Schweitzer Edmund O Jun | Power flow direction responsive means for alternating current circuit |
US3706032A (en) * | 1970-01-16 | 1972-12-12 | Gen Motors Corp | Clamp on current detector |
DE2363933C3 (de) * | 1973-12-20 | 1980-09-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Kombinierte Strom- und Spannungsmeßeinrichtung |
US3876933A (en) * | 1973-12-28 | 1975-04-08 | Itt | Resistance measuring instrument with linearized digital readout |
USD260635S (en) * | 1979-08-23 | 1981-09-08 | Clarence Controls Inc. | Split core current transformer |
US4258348A (en) * | 1979-11-13 | 1981-03-24 | Stb Transformer Company | Current measuring transformer |
US4855671A (en) * | 1983-04-13 | 1989-08-08 | Fernandes Roosevelt A | Electrical power line and substation monitoring apparatus |
US4717872A (en) * | 1985-01-28 | 1988-01-05 | Watt Watcher Inc. | Device for monitoring consumption of electrical power |
US4837519A (en) * | 1985-09-06 | 1989-06-06 | Southern California Edison Company | Fault detection |
SE454024B (sv) * | 1986-02-06 | 1988-03-21 | Stig Tore Johannes Lofgren | Detektor avsedd att faststella en forendrad konduktivitet i ett medium |
US5541503A (en) * | 1994-11-21 | 1996-07-30 | General Electric Company | Alternating current sensor based on concentric-pipe geometry and having a transformer for providing separate self-powering |
US6046582A (en) * | 1998-07-30 | 2000-04-04 | United Dominion Industries, Inc. | Self-powered digital clamp meter |
US6470283B1 (en) * | 1999-11-15 | 2002-10-22 | Thomas G. Edel | Non-contact self-powered electric power monitor |
US7174261B2 (en) * | 2003-03-19 | 2007-02-06 | Power Measurement Ltd. | Power line sensors and systems incorporating same |
WO2005022135A1 (en) * | 2003-08-27 | 2005-03-10 | Prussin Simon A | In situ determination of resistivity, mobility and dopant concentration profiles |
WO2006078944A2 (en) * | 2005-01-19 | 2006-07-27 | Power Measurement Ltd. | Sensor apparatus |
DE112010001638B4 (de) * | 2009-04-16 | 2017-07-06 | Panoramic Power Ltd. | Vorrichtung und Verfahren für Stromverbrauchsmessungen an Trennschalterpunkten |
US9678114B2 (en) * | 2009-04-16 | 2017-06-13 | Panoramic Power Ltd. | Apparatus and methods thereof for error correction in split core current transformers |
US9151782B2 (en) * | 2009-07-31 | 2015-10-06 | Pulse Electronics, Inc. | Current sensing devices and methods |
US8523560B2 (en) * | 2010-04-09 | 2013-09-03 | Honeywell International Inc. | Spark detection in a fuel fired appliance |
US9149929B2 (en) * | 2010-05-26 | 2015-10-06 | The Boeing Company | Methods and systems for inspection sensor placement |
JP2012242203A (ja) * | 2011-05-18 | 2012-12-10 | Auto Network Gijutsu Kenkyusho:Kk | 電流検出装置 |
DE102012212367A1 (de) * | 2011-07-14 | 2013-01-17 | Continental Teves Ag & Co. Ohg | Vorrichtung zum Messen eines elektrischen Stromes |
JP2013059236A (ja) * | 2011-09-09 | 2013-03-28 | Sony Corp | 検知装置、受電装置、送電装置、非接触電力伝送システム及び検知方法 |
US8699243B2 (en) * | 2011-10-28 | 2014-04-15 | Apple Inc. | Power converter system with synchronous rectifier output stage and reduced no-load power consumption |
US9147546B2 (en) * | 2011-11-30 | 2015-09-29 | Veris Industries, Llc | Self-calibrating current switch with display |
JP6277133B2 (ja) * | 2011-12-09 | 2018-02-07 | インテリジェント エナジー リミテッドIntelligent Energy Limited | 燃料電池を管理するシステムおよび方法。 |
EP2821798B1 (en) * | 2012-02-28 | 2016-12-07 | Alps Green Devices Co., Ltd. | Current sensor |
US9605952B2 (en) * | 2012-03-08 | 2017-03-28 | Quality Manufacturing Inc. | Touch sensitive robotic gripper |
JP2013217914A (ja) * | 2012-03-12 | 2013-10-24 | Ferrotec Corp | 電流センサ、センサ素子および制御装置 |
JP5879595B2 (ja) * | 2012-05-18 | 2016-03-08 | アルプス・グリーンデバイス株式会社 | 電流センサ |
JP2014003877A (ja) * | 2012-05-24 | 2014-01-09 | Sony Corp | 給電装置、アダプタ、受電装置、および給電方法 |
JP6127499B2 (ja) * | 2012-12-20 | 2017-05-17 | アイシン精機株式会社 | 電流センサ |
US9198500B2 (en) * | 2012-12-21 | 2015-12-01 | Murray W. Davis | Portable self powered line mountable electric power line and environment parameter monitoring transmitting and receiving system |
JP6119296B2 (ja) * | 2013-02-20 | 2017-04-26 | アイシン精機株式会社 | 電流センサ |
US20140312923A1 (en) * | 2013-04-17 | 2014-10-23 | Ge Intelligent Platforms, Inc. | Contact input apparatus supporting multiple voltage spans and method of operating the same |
JP2014211379A (ja) * | 2013-04-19 | 2014-11-13 | 三菱電機株式会社 | 電流測定装置、及び機器動作検出システム |
JP5814976B2 (ja) * | 2013-05-15 | 2015-11-17 | 三菱電機株式会社 | 電流計測装置 |
US20150008911A1 (en) * | 2013-07-05 | 2015-01-08 | Alan Majer | Apparatus for sensing current from electrical appliances |
JP6116061B2 (ja) * | 2013-07-16 | 2017-04-19 | 横河電機株式会社 | 電流センサ |
JP6268799B2 (ja) * | 2013-08-07 | 2018-01-31 | アイシン精機株式会社 | 電流センサ |
US9535098B2 (en) * | 2013-09-02 | 2017-01-03 | Senis Ag | Current transducer for measuring an electrical current |
US9520769B2 (en) * | 2014-04-30 | 2016-12-13 | Stmicroelectronics S.R.L. | Wake up management circuit for a switching converter and related wake up method |
CN105510671B (zh) * | 2014-09-24 | 2020-10-30 | 福禄克公司 | 钳表及钳状探头 |
-
2015
- 2015-07-23 CN CN201510437474.7A patent/CN105092928B/zh active Active
-
2016
- 2016-07-25 US US15/218,102 patent/US10267823B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5977365A (ja) * | 1982-10-26 | 1984-05-02 | Seiko Epson Corp | デジタルマルチメ−タ |
JPH04233471A (ja) * | 1990-11-23 | 1992-08-21 | John Fluke Mfg Co Inc | デジタル・マルチメータ及び自動機能選択方法 |
CN2556651Y (zh) * | 2002-01-24 | 2003-06-18 | 徐先 | 一种自动量程的数字式交/直流钳形万用表 |
CN2716846Y (zh) * | 2003-09-28 | 2005-08-10 | 徐先 | 一种自动量程的数字式交流钳形表 |
CN201004072Y (zh) * | 2007-02-12 | 2008-01-09 | 上海四达电子仪表有限公司 | 一种自动转换档位及量程的测量电路 |
CN204989279U (zh) * | 2015-07-23 | 2016-01-20 | 高超 | 数字钳型表 |
Also Published As
Publication number | Publication date |
---|---|
CN105092928A (zh) | 2015-11-25 |
US20170023624A1 (en) | 2017-01-26 |
US10267823B2 (en) | 2019-04-23 |
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Effective date of registration: 20160914 Address after: 518110 Guangdong Province, Shenzhen city Longhua District Guanlan community Guangxi Yuelu scared Po tou building 3 floor second No. 306 Applicant after: SHENZHEN HUAYI INSTRUMENT CO., LTD. Address before: 518000 Guangdong Province, Shenzhen city Futian District road industry garden building C, 23F Applicant before: Gao Chao |
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Address after: 518000 Guangdong Province, Shenzhen city Longhua District Guanlan community Guangxi Yuelu scared Po tou building 3 floor second No. 306 Applicant after: Shenzhen Hua measurement Yizhi Polytron Technologies Inc Address before: 518110 Guangdong Province, Shenzhen city Longhua District Guanlan community Guangxi Yuelu scared Po tou building 3 floor second No. 306 Applicant before: SHENZHEN HUAYI INSTRUMENT CO., LTD. |
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Effective date of registration: 20190416 Address after: 541105 Yangtang Industrial Park, Lingui Town, Lingui District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin Huayi Intelligent Measurement Technology Co., Ltd. Address before: 518000 3rd floor, 2nd building, 306 Guiyue Road, Guanlan Beitou Community, Longhua New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Hua measurement Yizhi Polytron Technologies Inc |