Weak magnetic flow monitoring meter

A magnetic flow and monitoring meter technology, which is applied in the application of electromagnetic flowmeters to detect fluid flow, volume/mass flow generated by electromagnetic effects, etc., can solve the problem of difficult measurement of micro-flow signals

Inactive Publication Date: 2017-05-10
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above, it is necessary to provide a micro-flow intelligent electrom

Method used

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  • Weak magnetic flow monitoring meter

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Embodiment Construction

[0020] figure 1 It is a structural schematic diagram of the present invention, composed of figure 1 It can be seen that a weak magnetic flow monitor includes a magnetic flux sensing module, a main control module, a first amplification module connected to the main control module, a second amplification module, a storage module and a display module.

[0021] The magnetic flux sensing module is placed in the measured magnetic environment to convert the magnetic intensity signal into an electric intensity signal and transmit it to the first amplifying module; the first amplifying module has 3 ports: an input terminal, an output terminal and a control signal terminal. The input terminal of the first amplification module is connected to the magnetic flux induction module; the output terminal is connected to the second amplification module; the control signal terminal is connected to the main control module, and its function is to stabilize the voltage value of the magnetic flux ind...

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Abstract

The invention provides a weak magnetic flow monitoring meter. The weak magnetic flow monitoring meter comprises a magnetic flux induction module, a master control module, a first amplifying module, a second amplifying module, a storage module and a display module, wherein the first amplifying module, the second amplifying module, the storage module and the display module are connected with the master control module respectively; the magnetic flux induction module transfers a magnetic intensity signal to an electric intensity signal and connects the electric intensity signal into the first amplifying module, the first amplifying module stabilizes the electric intensity signal within an amplitude range and connects the signal into the second amplifying module, and then the second amplifying module conducts impedance matching on the output electric intensity signal and conducts isolation interference; the master control module is used for controlling the amplifying fold of the first amplifying module, receiving the signal which is processed and transmitted by the second amplifying module and conducting corresponding calculation, wherein the calculation result is on one hand forwarded to the storage module to be stored, and on the other hand is transmitted to the display module to be displayed. According to the weak magnetic flow monitoring meter, the weak magnetic flow monitoring meter is simple in structure; meanwhile, the problem that a weak magnetic flow signal is hard to measure is solved, and the problem that monitoring data can only be stored locally and cannot be remotely transmitted is also solved.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of measuring instruments, in particular to a weak magnetic flow monitor. [0003] 【Background technique】 [0004] Electromagnetic flowmeter is a flow instrument developed and gradually improved in the 1950s and 1960s. It is an inductive instrument for measuring the volume flow of conductive liquid, based on Faraday's law of electromagnetic induction. At present, the theoretical research and product development of electromagnetic flowmeters have reached a fairly mature level, but there are still some shortcomings. For example, it cannot be used to measure low-conductivity liquids; Relative to the interference signal is too weak, so it is difficult to measure and so on. In addition, the existing magnetic flow measurement equipment has the characteristics of low stability and is easily disturbed by noise, and the data can only be stored locally and cannot be transmitted. [0005] 【Content of inventio...

Claims

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Application Information

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IPC IPC(8): G01F1/58
CPCG01F1/58
Inventor 梁家祥
Owner GUANGXI UNIV
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