Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Piston type gas-liquid dual-purpose micro-flow standard device

A flow standard device, piston-type technology, applied in measuring devices, testing/calibration devices, liquid/fluid solid measurement, etc., can solve the problems of low accuracy and difficulty in automating the verification of micro flowmeters, and achieve accurate flow regulation and improve The effect of verification accuracy, small structure and simplicity

Inactive Publication Date: 2014-01-01
SHANGHAI INST OF MEASUREMENT & TESTING TECH
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problems solved by the present invention are: to solve the problem of low precision in verifying micro-flowmeters in the prior art, and it is difficult to realize automation; the traditional piston-type flow standard device has complex structure, many moving parts, complex operation, long overall distance of the device, and difficult transportation. Convenience, high requirements for mechanical processing, low precision; only one kind of gas or liquid flow meter can be verified and other related technical problems

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Piston type gas-liquid dual-purpose micro-flow standard device
  • Piston type gas-liquid dual-purpose micro-flow standard device
  • Piston type gas-liquid dual-purpose micro-flow standard device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The present invention will be further described below in conjunction with drawings and embodiments.

[0024] Such as figure 1 As shown, a piston-type gas-liquid dual-purpose micro-flow standard device includes a vertically inverted piston cylinder 4, the piston cylinder 4 is connected to the upper piston cylinder cover 13, and the piston cylinder 4 or the piston cylinder cover 13 is fixed On a load-bearing bracket 18, the piston cylinder head 13 includes a cross four-way interface, one of which in the horizontal direction of the cross four-way interface is connected to the water tank through the water inlet pipeline solenoid valve 23, and the other interface in the horizontal direction is connected to a water tank. One end of the T-shaped connector of the pressure transmitter P1 and the temperature sensor T1. The display of the pressure transmitter and the pressure connecting pipe adopt an inverted thread anti-lock structure to realize the 360° free rotation of the disp...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a piston type gas-liquid dual-purpose micro-flow standard device, comprising a vertically-reversed piston cylinder, wherein the piston cylinder is connected with an upper end piston cylinder cover; the piston cylinder or the piston cylinder cover is fixed on a bearing bracket; the piston cylinder cover contains a cross-shaped four-way connector; one connector in a horizontal direction of the cross-shaped four-way connector is connected with a water tank through a water inlet pipe valve; the other connector in the horizontal direction is connected with a detected liquid flow meter through a water outlet pipe valve; the vertical upward connector is connected with a transition container internally provided with an oil-water separating layer through a transition container valve; a gas outlet is arranged above an oil face of the transition container; and the gas outlet can be connected with a detected gas flow meter; and the top of a piston is inserted into the piston cylinder and the piston is driven by a linear module to move up and down. According to the invention, two different gas or liquid medium flow meters can be detected by the same set of the standard device; and an outer diameter of the piston is used as an effective measurement diameter and a machining precision is easy to improve, so that the detection precision is improved and the whole structure of the device is small and simple.

Description

technical field [0001] The invention relates to a micro-flow standard device, in particular to a piston-type gas-liquid dual-purpose micro-flow standard device, which belongs to the technical field of measuring instruments. Background technique [0002] The verification of liquid micro-flow meters in the prior art mainly uses electronic scales or burettes as a standard, and the method of manually pressing the stopwatch is used for detection. This method has a large human error and a low degree of automation; Electronic soap film flowmeters are mainly used, but due to the influence of soap film bubble shape, soap film edge thickness change, pipe wall residue and water vapor, the measurement accuracy is low and the measurement time is long. The piston-type flow standard device has the advantages of high accuracy and easy automation, but the traditional piston-type flow standard device has a complex structure, many moving parts, long overall distance of the device, inconvenient...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01F25/00
Inventor 陈超姚新红梁艳争刘夷平任学弟
Owner SHANGHAI INST OF MEASUREMENT & TESTING TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com