Magneto-electrical flow meter

A flowmeter and magnetoelectric technology, which is applied in the field of magnetoelectric flowmeters, can solve the problems of flowmeters not operating normally, not counting, and inaccurate counting of flowmeters, and achieve the effect of avoiding normal operation

Active Publication Date: 2015-04-29
北京奥特美克科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a magnetoelectric flowmeter to solve the problem that the flowmeter

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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] According to Faraday's law of electromagnetic induction, the present invention utilizes the principle that a conductor coil produces an induced electromotive force in a changing magnetic field to develop and design, the formula is as follows: E=n*ΔΦ / Δt, Faraday's law of electromagnetic induction, E: induced electromotive force (V), n: The number of turns of the induction coil, ΔΦ / Δt is the rate of change of the magnetic flux, and the water flow is used to drive the liquid wheel to rotate. The magnet is fixed on the liquid wheel, and the coil is fixed on one side of the liquid wheel. When rotating, the magnet follows the liquid wheel to rotate, resulting in a change in the magnetic field , the induction coil generate...

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Abstract

The invention discloses a magneto-electrical flow meter. The magneto-electrical flow meter comprises a flow meter body, a hydraulic wheel sensing mechanism and an electronic device chamber; when in work, liquid flows through a pipeline at the lower end of the flow meter body to enter a hydraulic wheel container in the upper end of the flow meter body; a permanent magnet is mounted on a hydraulic wheel blade of a hydraulic wheel; when the hydraulic wheel is pushed by the liquid to rotate, a magnetic line produced by a coil cutting the permanent magnet generates an induced electromotive force; a first signal of the induced electromotive force is transmitted to a first processing circuit into the electronic device chamber mounted in the upper end of the hydraulic wheel sensing mechanism through a connection terminal, and then a produced second signal is transmitted to a micro-controller after processing; the micro-controller acquires the second signal and converts the acquired second signal into flow rate to display. According to the magneto-electrical flow meter, the magnetic line produced by the coil cutting the permanent magnet is utilized to meter the flow rate, so that the problem of dead clamping caused by measuring the flow rate by the worm gear and worm transmission can be avoided.

Description

technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to a magnetoelectric flowmeter. Background technique [0002] At present, mechanical flowmeters are commonly used in pipeline flow measurement. A mechanical flowmeter is generally composed of a liquid wheel, a worm gear mechanism, a counter, and a display code disc. When water passes through the flow in the pipeline to drive the liquid wheel to rotate, the worm gear mechanism converts the vertical rotation into a horizontal rotation and transmits it to the counter. The transmission mechanism, the transmission mechanism reduces the rotational speed by variable ratio, and finally transmits it to the counting dial for display. In the process of worm gear and gear transmission, because the worm gear must cooperate with the liquid wheel, the worm gear is immersed in the fluid for a long time. When there are many impurities in the fluid or the sediment content is large, the ...

Claims

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Application Information

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IPC IPC(8): G01F1/58
CPCG01F1/075
Inventor 吴玉晓王洋吴超李海增杨建军
Owner 北京奥特美克科技股份有限公司
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