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Dual-purpose pressure transmitter

A transmitter and pressure technology, applied in the direction of instruments, measuring force, elastic deformation force measurement through measuring gauges, etc., can solve the problem of inconvenient testing of pressure transmitter errors and other problems

Inactive Publication Date: 2016-02-17
CHONGQING ZEQINGJU SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the existing pressure transmitter has a pressure error, it needs to be sent to the manufacturer for professional testing. It is generally inconvenient to test whether the pressure transmitter has an error.

Method used

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  • Dual-purpose pressure transmitter

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Embodiment Construction

[0008] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Of course, the following description of preferred embodiments is exemplary only, and in no way restricts the invention and its application or use.

[0009] exist figure 1 Among them, the dual-display pressure transmitter includes a transmitter body 1, a medium interface 2 is provided on the transmitter body 1, a sleeve 3 is provided on the transmitter body 1, and the sleeve 3 communicates with the medium interface 2. The sleeve 3 is provided with a piston 4 , the upper end of the piston 4 is connected with the scale 5 , the lower end of the piston 4 is connected with two springs 6 , and the other ends of the two springs 6 are connected with the transmitter body 1 .

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Abstract

Provided is a dual-purpose pressure transmitter. Medium with to-be-measured pressure is used to push a piston to move. A scale arranged on the piston can display current medium pressure value. The scale can measure the current medium pressure value without a power supply. Both the scale and a display on a transmitter body can display the pressure value. When two values are not equal, a user can know that the transmitter should be detected and repaired.

Description

technical field [0001] The invention relates to a pressure transmitter, in particular not only conventional screen display, but also a scale to display the pressure value, and it is convenient to diagnose whether there is an error in the pressure transmitter. Background technique [0002] A pressure transmitter is an instrument that accepts a pressure variable and converts it proportionally to a standard output signal. It can convert the physical pressure parameters such as gas and liquid felt by the load cell sensor into standard electrical signals, which can be supplied to secondary instruments such as indicating alarms, recorders, regulators, etc. for measurement, indication and process adjustment. The measurement principle of the pressure transmitter is that the measuring diaphragm and the electrodes on the insulating sheets on both sides form a capacitor; when the pressure on both sides is inconsistent, the measuring diaphragm will be displaced, and the displacement is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/04
CPCG01L1/042
Inventor 常小燕
Owner CHONGQING ZEQINGJU SCI & TECH DEV