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Plug-in thermal gas mass flow meter capable of resisting vibration

A gas mass flow, plug-in technology, used in indirect mass flow meters, mass flow measurement devices, etc., to achieve the effect of preventing relaxation, low cost, and strong reliability

Inactive Publication Date: 2018-05-11
哈尔滨派立仪器仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing thermal gas mass flowmeter probe will vibrate along the flow direction of the wind and thus measure the accuracy

Method used

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  • Plug-in thermal gas mass flow meter capable of resisting vibration
  • Plug-in thermal gas mass flow meter capable of resisting vibration

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0028] Such as figure 1 As shown, a vibration-resistant plug-in thermal gas mass flowmeter includes: an instrum...

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Abstract

The invention discloses a plug-in thermal gas mass flow meter capable of resisting vibration, and relates to the field of thermal gas mass flow monitoring. The plug-in thermal gas mass flow meter capable of resisting the vibration comprises an instrument transmitter, a feeler lever and a measuring head, and the measuring head is connected with the instrument transmitter through the feeler lever; the plug-in thermal gas mass flow meter further comprises a steel pipe, a flange and a locking structure, wherein the steel pipe comprises a suspending section and a fixed section, the fixed section isused for penetrating through an air channel wall to be installed and fixed, and the suspending section is used for being suspended at the inner side of the air channel wall; the flange is connected with the end of the fixed section of the steel pipe and is used for being fixed to the outer wall of the air channel wall, the feeler lever penetrates through the flange and the steel pipe in sequence,and the measuring head stretches out of the end of the suspending section of the steel pipe; the locking structure is used for locking and fixing the feeler lever, the flange and the steel pipe. By means of the plug-in thermal gas mass flow meter capable of resisting the vibration, the influence of airflow on the feeler lever is removed through the steel pipe, and it is guaranteed that the measuring head precisely measures the gas flow in the air channel, and the looseness between the feeler lever and the flange and the steel pipe can also be prevented.

Description

technical field [0001] The invention belongs to the field of thermal gas mass flow monitoring, in particular to a vibration-resistant plug-in thermal gas mass flow meter. Background technique [0002] Thermal gas mass flowmeter is an instrument that uses the principle of heat conduction to measure gas mass flow, and can achieve high-precision measurement of gas mass flow. The insertion type thermal gas mass flow meter can be a one-piece structure or a split structure, and its sensor and metal probe are inserted into the measuring pipe. [0003] For flow measurement of large cross-section air ducts, plug-in thermal gas mass flowmeters are generally used. Due to the large size of the air duct, the metal probe rod of the thermal gas mass flowmeter has a long insertion depth and can only be fixed on the sleeve outside the air duct arm to form a cantilever structure. Therefore, under the action of the wind, the metal probe will vibrate along the flow direction of the wind, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/86
CPCG01F1/86
Inventor 罗晶陈平莫丽
Owner 哈尔滨派立仪器仪表有限公司
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