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Digital system for liquid specific density measurement

A liquid specific gravity and measurement system technology, applied in the field of measurement systems, can solve the problems of poor reading accuracy, incapability of automatic real-time measurement, inability to realize automatic data collection and display, etc., and achieve convenient and fast computer data collection and automatic digital display functions , the effect of improving work efficiency

Inactive Publication Date: 2005-11-23
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is manual operation, manual observation of readings, reading errors vary from person to person, the accuracy of readings is poor, automatic collection and display of data cannot be realized, and automatic real-time measurement cannot be realized

Method used

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  • Digital system for liquid specific density measurement
  • Digital system for liquid specific density measurement
  • Digital system for liquid specific density measurement

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Experimental program
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Embodiment Construction

[0009] Below in conjunction with accompanying drawing, the present invention will be further described:

[0010] Depend on figure 1 , figure 2 Shown, a kind of digital liquid specific gravity measuring system is characterized in that, it is formed by lever type liquid specific gravity measuring device, A / D converter, single-chip microcomputer, digital display circuit or with computer; Described lever type liquid specific gravity The measuring device includes a float 2 in a liquid 1, a main lever 3, a secondary lever 6, an amplifier 7, a permanent magnet 10, and a feedback coil 11. The float 2 is made of metal material and placed at one end of the main lever 3. The fulcrum O1 is set in the middle of the lever; the main lever 3 and the auxiliary lever 6 are connected through the linkage block 12, the auxiliary lever 6 is provided with a displacement detection piece 5, the displacement detector 4 is placed under the displacement detection piece 5, and the fulcrum O2 of the auxi...

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PUM

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Abstract

The invention discloses a measuring method for digital liquid specific weight, which comprises the following parts: specific weight measuring device, A / D transformer, digital display circuit or computer; and specific weight measuring device including float posited on one side of main gauge peg, main gauge peg with fulcra in the middle, auxiliary gauge peg, amplifier, permanent magnet, feedback coil; wherein main gauge peg connects with auxiliary gauge peg by link block; transform measuring slice posits on auxiliary gauge peg; transform measuring slice posited below transform measuring device; one side of auxiliary gauge peg has fulcra and the other side has zeroing device; feedback coil which posited in permanent magnet is on auxiliary gauge peg; transform measuring device connects with feedback coil by measuring amplifying circuit.

Description

technical field [0001] The invention relates to a measuring system, more specifically, it relates to a digital liquid specific gravity measuring system. Background technique [0002] At present, the measurement of liquid specific gravity is mostly to take a sample first, and then use a lever type hydrometer to measure the specific gravity of the sample. This method is manual operation, manual observation of readings, reading errors vary from person to person, the accuracy of readings is poor, automatic collection and display of data cannot be realized, and automatic real-time measurement cannot be realized. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a digital liquid specific gravity measuring system which is easy to use, quick and accurate. [0004] The technical solution of the present invention is a digital liquid specific gravity measuring system, which is characterized in that it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/12
Inventor 于莲芝崔晓钰石景祯
Owner UNIV OF SHANGHAI FOR SCI & TECH
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