Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Implementation method of strong interference prevention of electromagnetic flowmeter

An electromagnetic flowmeter and a technology of its realization method, which are applied in the electrical field, can solve the problems of strong interference resistance of the electromagnetic flowmeter and the inability of stable and accurate measurement of coarse slurry, and achieve the effects of increasing the sampling frequency, improving the operation efficiency, and enhancing the resolution ability.

Inactive Publication Date: 2015-04-29
CHONGQING CHUANYI AUTOMATION
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a method for implementing anti-strong interference of electromagnetic flowmeters to solve the problem that domestic electromagnetic flowmeters cannot measure the coarse stock stably and accurately in the early stage of application places such as papermaking, chemical industry, and mines.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Implementation method of strong interference prevention of electromagnetic flowmeter
  • Implementation method of strong interference prevention of electromagnetic flowmeter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing and embodiment: figure 1 is a schematic diagram of the excitation control system of the present invention, figure 2 It is a schematic diagram of the amplitude-frequency response curve of the comb bandpass filter of the present invention.

[0021] The electromagnetic flowmeter includes at least: a power supply, an external memory and a sensor,

[0022] The power supply is two, by switching the power supply is the signal of the excitation circuit to reach a stable state,

[0023] The external data memory adopts ferroelectric memory,

[0024] Through digital filter processing, the sensor signal is analyzed and processed to suppress the interference signal, and the excitation frequency is increased to improve the signal-to-noise ratio.

[0025] Such as figure 1 , 2 As shown, this embodiment includes hardware optimization, signal processing optimization and algorithm optimiza...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an implementation method of strong interference prevention of an electromagnetic flowmeter. The electromagnetic flowmeter comprises at least two power sources, an external memory and a sensor; the two power sources are switched so that the signal of an exciter circuit can be stabilized; the external data memory is a ferroelectric memory; digital filtering processing is performed on the signals of the sensor to inhibit interference signals, and the excitation frequency is increased to increase the signal-to-noise ratio. According to the implementation method of strong interference prevention of the electromagnetic flowmeter, the operating efficiency of the electromagnetic flowmeter is improved, the interference intensity of power source noise to the signal circuit part is reduced, the signal-to-noise ratio of the original signal is increased, the sampling frequency is improved, the signal identification capability is enhanced and the zero point stability of high frequency excitation is also guaranteed.

Description

technical field [0001] The invention relates to the field of electricity, in particular to a method for realizing anti-strong interference of an electromagnetic flowmeter. Background technique [0002] At present, electromagnetic flowmeters are the most widely used flowmeters in the field of flowmeters, and have been applied to many industrial fields, especially water supply / sewage, metallurgy / mining, papermaking / pulp and pharmaceutical industries. But these industries are currently in the following situation: China's water resources are unevenly distributed, and people are worried that it may affect sustainable development, so they invest in many projects for water treatment / sewage treatment, with an estimated investment of 22 billion US dollars; in terms of mining, they are trying to develop into global The strength of one side of the market; as a national plan to build a complete industrial chain between afforestation and papermaking, 5 million hectares of fast-growing fo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01F1/58
Inventor 石磊王刚王波周兵慕长利
Owner CHONGQING CHUANYI AUTOMATION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com