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Flow measurement circuit and method

A flow measurement and circuit technology, applied in the field of electronic measurement, can solve the problems of inaccurate measurement and poor measurement stability, and achieve the effects of reducing asymmetric error, improving accuracy, and improving impedance matching.

Active Publication Date: 2022-03-08
龙芯中科(金华)技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a flow measurement circuit and method to overcome the problems of inaccurate measurement and poor measurement stability existing in existing flow measurement methods

Method used

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  • Flow measurement circuit and method

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Embodiment Construction

[0039] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0040]The embodiment of the present application aims at the problem of inaccurate measurement in the existing flow measurement methods, and provides a flow measurement circuit. The transmitted electrical signal is transmitted by the trigger circuit, and the strobed transceiver circuit is determined according to the measured fluid flow direction. When the circ...

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Abstract

The present application provides a flow measurement circuit and method, wherein the circuit includes: a trigger circuit, a first transceiver circuit, a second transceiver circuit, an output circuit, and a receiving end control circuit; the first transceiver circuit is connected to a first transducer, The second transceiver circuit is connected with the second transducer, both of them are also connected with the trigger circuit, the receiving end control circuit, and the output circuit. At the same time, one of the first transceiver circuit and the second transceiver circuit is used as the transmitting circuit, The other is a receiving circuit, the receiving end control circuit is used to adjust the receiving end impedance of the receiving circuit, and the second end of the output circuit is used to output the measurement result of the flow measurement circuit. In this technical solution, the receiving end control circuit is used to adjust the receiving end impedance of the receiving circuit, which improves the impedance matching degree between the receiving circuit end and the transmitting circuit end, reduces the asymmetric error of the system, and improves the accuracy and stability of flow measurement .

Description

technical field [0001] The present application relates to the technical field of electronic measurement, in particular to a flow measurement circuit and method. Background technique [0002] In the fields of industrial and agricultural production and scientific research, flow is an important parameter. For example, in the automatic detection and control of certain industrial production processes, in order to operate, control and monitor effectively, it is necessary to detect the flow of various fluids , Flow measurement is of great significance in production development, energy saving and economic benefit improvement. [0003] In the prior art, flow measurement is mainly based on an ultrasonic flow measurement device, which includes a transmitting circuit 1 and a transmitting circuit 2 . Wherein, the transmitting circuit 1 is used to drive the transducer A connected thereto, and the transmitting circuit 2 is used to drive the transducer B connected thereto. Wherein, transd...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/667
CPCG01F1/667
Inventor 杨丽琼苏孟豪钟石强杨洗兵
Owner 龙芯中科(金华)技术有限公司