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Diaphragm-type digital pressure gauge

A pressure gauge and diaphragm type technology, which is applied in measuring fluid pressure, measuring fluid pressure through electromagnetic components, measuring devices, etc., can solve problems such as large errors, readings that can only be estimated, and parallax, and achieve high reliability.

Inactive Publication Date: 2017-08-01
上海朝辉压力仪器有限公司
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the traditional pointer pressure gauge must be kept vertical during the installation process, the center reference of the pointer needs to be guaranteed, there is parallax, the reading can only be estimated, and the error is large. A Diaphragm Digital Pressure Gauge

Method used

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  • Diaphragm-type digital pressure gauge
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Embodiment Construction

[0031] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

[0032] Such as figure 1 and 2 As shown, a diaphragm type digital pressure gauge includes a pressure measurement module 1, a display module 2 and a temperature measurement module 3, the display module 2 is electrically connected to the pressure measurement module 1, and the temperature measurement module 3 is connected to the temperature measurement module The pressure measurement module 1 is mechanically connected.

[0033] The pressure measurement module 1 includes a pressure sensing sub-module 11 and a strain gauge 12, the pressure sensing sub-module 11 includes an elastic body 110, a pressure sensing head 111, a capillary conduit 112, a pressure sensing diaphragm 113, a threaded rod 114, a second metal movable Pipe 115, connection and fixing seat 116, housing socket 117 and O-ring 118, the pressure sensitive diaphragm 113...

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Abstract

The invention discloses a diaphragm-type digital pressure gauge, which comprises a pressure measuring module and a display module, wherein the pressure measuring module and the display module are electrically connected; the pressure measuring module comprises a pressure sensing sub module and a strain gauge, the pressure sensing sub module and the strain gauge are connected; the pressure sensing sub module is used for sensing the mechanical pressure of a measured medium; the strain gauge is used for generating electric signals characterizing the mechanical pressure according to the mechanical pressure; and the display module is used for receiving the electric signals and displaying a pressure value. Digital display is realized for the mechanical pressure, and the mechanical pressure measurement accuracy and the mechanical pressure measurement effectiveness can be improved.

Description

technical field [0001] The invention relates to the field of pressure measuring instruments, in particular to a diaphragm type digital pressure gauge. Background technique [0002] At present, there are many kinds of traditional pointer pressure gauges on the market, but the traditional pointer pressure gauges must be kept vertical during installation, and it is necessary to consider ensuring the center reference of the pointer of the pointer pressure gauge, and it can only be viewed horizontally, with parallax, The reading can only be estimated, and the error is large, especially in various environments including petroleum, chemical fiber equipment, textile machinery, wire drawing machine equipment, rubber equipment, etc., including high-temperature fluids, the reliability of traditional pointer pressure gauges is low. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L9/00
CPCG01L9/0041
Inventor 伍正辉王磊陈明
Owner 上海朝辉压力仪器有限公司
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