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A thermal flowmeter and flow measurement method

A thermal flowmeter and flow measurement technology, applied in the field of flowmeters, can solve the problems of no cleaning device and troublesome operation.

Active Publication Date: 2022-02-18
南京禹通自动化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a thermal flowmeter and a flow measurement method to solve the problem that most of the existing flowmeters in the prior art are not equipped with corresponding cleaning devices. When cleaning, the entire body of the flowmeter needs to be removed from the measuring pipeline. troublesome operation

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  • A thermal flowmeter and flow measurement method
  • A thermal flowmeter and flow measurement method
  • A thermal flowmeter and flow measurement method

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Embodiment Construction

[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0033] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention relates to the technical field of flow meters, in particular to a thermal flow meter and a flow measurement method; the spray head corresponds to the measurement end of the flow meter body, and the end of the first check valve far away from the cleaning pipe is connected to the flange of the water tank. The water tank is equipped with a pressurizing device, and both the fluid inlet pipe and the fluid outflow pipe are provided with a blocking device, and the fluid inlet pipe and the fluid outflow pipe are closed by the blocking device at regular intervals, and the water in the water tank is pressurized by the pressurizing device, Open the first check valve and the second check valve, send the pressurized water into the cleaning pipe, and use the spray head on the spray pipe to clean the measuring wire, so as to avoid the impurities in the fluid from being adsorbed on the measuring metal. on the wire, causing interference to the measurement structure.

Description

technical field [0001] The invention relates to the technical field of flowmeters, in particular to a thermal flowmeter and a flow measurement method. Background technique [0002] A thermal flowmeter for measuring the flow rate of a gas such as air is configured to include a flow detection unit for measuring the flow rate, and measure the flow rate by heat transfer between the flow detection unit and the gas to be measured. gas flow. The flow rate measured by the thermal flowmeter is widely used as an important control parameter of various devices. [0003] However, with the continuous use of thermal flowmeters, impurities in the fluid will gradually be adsorbed on the flow detection part of the flowmeter, but most of the existing flowmeters are not equipped with corresponding cleaning devices. It is troublesome to remove from the pipeline. Contents of the invention [0004] The purpose of the present invention is to provide a thermal flowmeter and a flow measurement m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/69G01P5/08G01F15/12
CPCG01F1/69G01P5/08G01F15/12
Inventor 徐春荣赵学东张子成
Owner 南京禹通自动化科技有限公司