CN101900585A - 电磁流量计采用窄带滤波信号调理的方法及设备 - Google Patents
电磁流量计采用窄带滤波信号调理的方法及设备 Download PDFInfo
- Publication number
- CN101900585A CN101900585A CN2010101174820A CN201010117482A CN101900585A CN 101900585 A CN101900585 A CN 101900585A CN 2010101174820 A CN2010101174820 A CN 2010101174820A CN 201010117482 A CN201010117482 A CN 201010117482A CN 101900585 A CN101900585 A CN 101900585A
- Authority
- CN
- China
- Prior art keywords
- signal
- narrow
- noise
- band filtering
- electromagnetic flowmeter
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 81
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005516 engineering process Methods 0.000 claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005284 excitation Effects 0.000 claims description 12
- 230000005669 field effect Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 7
- 230000005764 inhibitory process Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000036541 health Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 21
- 238000005070 sampling Methods 0.000 abstract description 12
- 230000003321 amplification Effects 0.000 abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 7
- 238000001228 spectrum Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000002964 excitative effect Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004304 visual acuity Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101174820A CN101900585B (zh) | 2009-05-25 | 2010-02-02 | 电磁流量计采用窄带滤波信号调理的方法及设备 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910072121 | 2009-05-25 | ||
CN200910072121.6 | 2009-05-25 | ||
CN2010101174820A CN101900585B (zh) | 2009-05-25 | 2010-02-02 | 电磁流量计采用窄带滤波信号调理的方法及设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101900585A true CN101900585A (zh) | 2010-12-01 |
CN101900585B CN101900585B (zh) | 2012-07-04 |
Family
ID=43226324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101174820A Expired - Fee Related CN101900585B (zh) | 2009-05-25 | 2010-02-02 | 电磁流量计采用窄带滤波信号调理的方法及设备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101900585B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104061970A (zh) * | 2014-07-08 | 2014-09-24 | 电子科技大学 | 一种电磁流量信号检测方法 |
CN104266698A (zh) * | 2014-10-22 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | 一种微流量的智能型电磁流量计 |
CN107687875A (zh) * | 2017-08-17 | 2018-02-13 | 合肥工业大学 | 一种测量含气导电液体流量的电磁式涡街流量计 |
CN108680210A (zh) * | 2018-04-27 | 2018-10-19 | 重庆川仪自动化股份有限公司 | 一种基于电压电流微分的瞬态电磁流量变送器 |
CN108680789A (zh) * | 2018-03-09 | 2018-10-19 | 清华大学 | 基于倍频器和采样保持器的相敏检波器及相敏检波方法 |
CN109489747A (zh) * | 2018-12-24 | 2019-03-19 | 合肥工业大学 | 一种基于谐波分析的电磁流量计信号处理方法 |
CN112050869A (zh) * | 2020-08-20 | 2020-12-08 | 长江武汉航道工程局 | 一种连续交变磁场测量装置及其方法 |
CN112050871A (zh) * | 2020-08-25 | 2020-12-08 | 长江武汉航道工程局 | 一种挖泥船管道输送无源产量计 |
CN112729441A (zh) * | 2020-12-21 | 2021-04-30 | 唐山学院 | 一种基于脉冲型流量传感器的高精度流量测量方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI87493C (fi) * | 1991-12-23 | 1993-01-11 | Kytoelae Instrumenttitehdas | Foerfarande och anordning foer maetning av stroemningshastigheten av gaser och/eller storheter som kan haerledas fraon denna |
US5741980A (en) * | 1994-11-02 | 1998-04-21 | Foster-Miller, Inc. | Flow analysis system and method |
JP4002132B2 (ja) * | 2002-04-18 | 2007-10-31 | 株式会社山武 | 電磁流量計 |
-
2010
- 2010-02-02 CN CN2010101174820A patent/CN101900585B/zh not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104061970A (zh) * | 2014-07-08 | 2014-09-24 | 电子科技大学 | 一种电磁流量信号检测方法 |
CN104266698A (zh) * | 2014-10-22 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | 一种微流量的智能型电磁流量计 |
CN107687875A (zh) * | 2017-08-17 | 2018-02-13 | 合肥工业大学 | 一种测量含气导电液体流量的电磁式涡街流量计 |
CN108680789A (zh) * | 2018-03-09 | 2018-10-19 | 清华大学 | 基于倍频器和采样保持器的相敏检波器及相敏检波方法 |
CN108680789B (zh) * | 2018-03-09 | 2019-09-17 | 清华大学 | 基于倍频器和采样保持器的相敏检波器及相敏检波方法 |
CN108680210A (zh) * | 2018-04-27 | 2018-10-19 | 重庆川仪自动化股份有限公司 | 一种基于电压电流微分的瞬态电磁流量变送器 |
CN109489747A (zh) * | 2018-12-24 | 2019-03-19 | 合肥工业大学 | 一种基于谐波分析的电磁流量计信号处理方法 |
CN112050869A (zh) * | 2020-08-20 | 2020-12-08 | 长江武汉航道工程局 | 一种连续交变磁场测量装置及其方法 |
CN112050871A (zh) * | 2020-08-25 | 2020-12-08 | 长江武汉航道工程局 | 一种挖泥船管道输送无源产量计 |
CN112050871B (zh) * | 2020-08-25 | 2023-09-19 | 长江武汉航道工程局 | 一种挖泥船管道输送无源产量计 |
CN112729441A (zh) * | 2020-12-21 | 2021-04-30 | 唐山学院 | 一种基于脉冲型流量传感器的高精度流量测量方法 |
CN112729441B (zh) * | 2020-12-21 | 2022-03-22 | 唐山学院 | 一种基于脉冲型流量传感器的高精度流量测量方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101900585B (zh) | 2012-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101900585B (zh) | 电磁流量计采用窄带滤波信号调理的方法及设备 | |
CN111351535B (zh) | 一种高频正弦波励磁电磁流量计信号处理方法 | |
CN103575960B (zh) | 巨磁阻效应电流传感器 | |
CN102435239B (zh) | 自动零点的电磁流量计信号处理方法及系统 | |
CN107505499A (zh) | 用于学习包括电流互感器误差校正的电流互感器和功率测量设备的相误差的方法和设备 | |
CN108992068A (zh) | 一种相位补偿电路、磁感应成像装置及相位补偿方法 | |
CN102435860B (zh) | 一种介质损耗电流测试仪的工作方法 | |
CN102445600A (zh) | 基于传统相位差测量的优化方法和电路 | |
CN102798749B (zh) | 电流检测电路 | |
CN207866886U (zh) | 一种磁调制器电流检测装置 | |
CN103412209B (zh) | 一种调谐滤波器的失谐度检测方法 | |
Wu et al. | Transient process based electromagnetic flow measurement methods and implementation | |
CN105547384B (zh) | 一种恒磁式电磁流量计 | |
CN201463948U (zh) | 电磁流量计信号调理装置 | |
CN201917612U (zh) | 一种相位差测量装置 | |
Polo et al. | Analog signal processing in an AC electromagnetic flowmeter | |
CN108680210B (zh) | 一种基于电压电流微分的瞬态电磁流量变送器 | |
CN115327202B (zh) | 一种tmr电流传感器 | |
CN106289451A (zh) | 分节电容式低温液位变换器 | |
Xu et al. | Signal modeling of electromagnetic flowmeter under sine wave excitation using two-stage fitting method | |
CN204944423U (zh) | 一种电容式mems传感器检测电路 | |
CN101393109B (zh) | 一种电感数据采集方法及所用装置 | |
CN2427798Y (zh) | 多电极流量检测信号处理器 | |
CN105004259A (zh) | 一种电容式mems传感器检测电路 | |
CN113533842B (zh) | 无线充电系统的耦合线圈效率测试装置及测试方法 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: HARBIN LIDA SHENGYUAN TECHNOLOGY DEVELOPMENT CO., Free format text: FORMER OWNER: HARBIN SCIENCE AND ENGINEERING UNIV. Effective date: 20130808 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150040 HARBIN, HEILONGJIANG PROVINCE TO: 150000 HARBIN, HEILONGJIANG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130808 Address after: 12 building 121, 150000 Daqing Road, Xiangfang District, Heilongjiang, Harbin Patentee after: HARBIN LIDA SHENGYUAN TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 150040 No. 52, Xuefu Road, Nangang District, Heilongjiang, Harbin Patentee before: Harbin University of Science and Technology |
|
ASS | Succession or assignment of patent right |
Owner name: DAQING POWER SUPPLY COMPANY, STATE GRID HEILONGJIA Effective date: 20131114 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: HARBIN LIDA SHENGYUAN TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20131114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Niu Bin Inventor after: Zhou Zhen Inventor after: Yu Xiaoyang Inventor after: Sun Jinghua Inventor after: Ma Dezhong Inventor after: Wu Haibin Inventor after: Guan Deqiu Inventor after: Liu Shujie Inventor after: Liu Qian Inventor before: Niu Bin Inventor before: Zhou Zhen Inventor before: Yu Xiaoyang Inventor before: Sun Jinghua Inventor before: Ma Dezhong Inventor before: Wu Haibin |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: NIU BIN ZHOU ZHEN YU XIAOYANG SUN JINGHUA MA DEZHONG WU HAIBIN TO: NIU BIN ZHOU ZHEN YU XIAOYANG SUN JINGHUA MA DEZHONG WU HAIBIN GUAN DEQIU LIU SHUJIE LIU QIAN Free format text: CORRECT: ADDRESS; FROM: 150000 HARBIN, HEILONGJIANG PROVINCE TO: 100033 XICHENG, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20131114 Address after: 100033 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: DAQING POWER SUPPLY COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER Co.,Ltd. Address before: 12 building 121, 150000 Daqing Road, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN LIDA SHENGYUAN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 |
|
CF01 | Termination of patent right due to non-payment of annual fee |