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Ultrahigh-pressure high-precision pressure transmitter

A transmitter, high-precision technology, applied in the direction of measuring fluid pressure, instruments, measuring devices, etc., can solve the problems of unreasonable structure setting, short service life, low measurement accuracy, etc., and achieve simple structure, long service life, measurement high precision effect

Pending Publication Date: 2020-05-19
ZHEJIANG AOXIN INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing pressure transmitters still have deficiencies: unreasonable structural settings, low measurement accuracy, easy leakage, poor reliability, short service life and poor practicability

Method used

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Embodiment Construction

[0022] In the description of this embodiment, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", " "outside", "front", "rear", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third," as they appear, are for descriptive purposes only and should not be construed to indicate or imply relative importance.

[0023] see figure 1 , figure 2 and image 3 , An ultra-high pressure high-precision pressure transmitter disclosed in the present in...

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Abstract

The invention discloses an ultrahigh-pressure high-precision pressure transmitter. The pressure transmitter comprises a pressure transmitter body, a locking base is detachably arranged at the lower end of the pressure transmitter body; an isolating valve is detachably arranged at the lower end of the locking base, the lower end of the isolating valve is in threaded connection with a double-end threaded sleeve, a pressure guide hole is vertically formed in the double-end threaded sleeve, the lower end of the double-end threaded sleeve is in threaded connection with an instrument welding base, and a pressure measuring hole is vertically formed in the instrument welding base. A Z-shaped flow channel and a conical head valve element are arranged in the isolating valve, a valve element cavity is formed in the right end of the isolating valve, valve element sealing filler is arranged in the valve element cavity, a T-shaped head is integrally arranged at the outer end of the conical head valve element, the T-shaped head is sleeved with a transmission rod, and the inner end of the transmission rod is in floating connection with the T-shaped head. The technical scheme is reasonable in structural design, simple in structure, high in measurement precision, not easy to leak, good in reliability, long in service life and good in practicability.

Description

technical field [0001] The invention relates to the technical field of pressure transmitters, in particular to an ultra-high-pressure high-precision pressure transmitter. Background technique [0002] The reliability and tightness of high pressure measurement has always been a big problem for automation engineers to solve. With the development of modern industry, there are more and more applications of high pressure measurement. At the same time, the requirements for environmental protection are getting higher and higher, and trace leakage of dangerous media is not allowed, and the fire resistance, protection, explosion-proof and reliability of products are also getting higher and higher. [0003] A pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission. It can convert physical pressure parameters such as gas and liquid sensed by the load cell sensor into standard electrical signals to supply secondary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/00G01L19/06
CPCG01L19/0007G01L19/003G01L19/0672G01L19/0663
Inventor 胡建田范建玲陈福钏白帆陈通照韩艺范叔妙范叔慈刘源范叔继
Owner ZHEJIANG AOXIN INSTR
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