Device and method for precise measurement of volume and density of object

A precision measurement, object technology, applied in the direction of measuring devices, volume measuring instruments/methods, specific gravity measurement, etc., can solve the problems of large deviations in the volume and density of the measured object, complex procedures, and small range of applicable objects

Inactive Publication Date: 2015-04-08
CHONGQING YILINDA TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a simple, wide-applicable, and accurate device for measuring the volume and density of an object in vie

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  • Device and method for precise measurement of volume and density of object
  • Device and method for precise measurement of volume and density of object

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Embodiment Construction

[0030] Such as figure 1 In the specific embodiment shown, the device for precisely measuring the volume of an object of the present invention includes a pressure supply system 1 capable of generating gas pressure and a pressure storage tank 2. The pressure supply system 1 communicates with the pressure storage tank 2 through a constant pressure valve 21, In its communication pipeline, a pressure storage tank pressure sensor 22 is arranged behind the constant pressure valve 21; it also includes two known first standard volume tanks 3 and the second standard volume tank 4 with the same volume, the pressure storage tank 2 and the first standard volume tank 4 A standard volume tank 3 communicates with the first standard volume switch valve 31, and in its communication pipeline, a first standard volume pressure sensor 31 is arranged behind the first standard volume switch valve 31, and the pressure storage tank 2 and the second standard volume tank 4 Communicate through the second ...

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Abstract

The invention relates to an automatic operation method and device for measuring the volume and the density of an object by an air-pressure balance method. The method and the device are suitable for precise measurement of volumes of objects in various shapes (including regular shapes and irregular shapes such as root hair shapes and net shapes), particle objects (such as ores, corns and peanuts), liquid and the like. The method and the device provided by the invention comprise a PLC control system, a pressure supply system, a pressure storage tank, standard volume tanks, an automatic calibration volume tank, a feed container tank, valves, pressure sensors, pressure release valves, a communication differential pressure gauge and a micro differential pressure gauge. During detection, only the detected object is fed and taken out manually, the other processes are carried out automatically by machines, and detection results are displayed on the display screen of the PLC control system. The device is provided with a port connected with a computer, so that the detection results can be directly input into the computer to be stored and displayed.

Description

technical field [0001] The patent of the invention relates to a device and method for measuring the volume and density of an object by an automatic pressure balance method, which is applicable to objects of various shapes, including regular and irregular solids and accurate measurement of the volume and density of liquids. Background technique [0002] At present, the principles of methods for measuring the volume of irregular objects are basically based on Archimedes' law, that is, the method of immersion in liquid. This method is to completely immerse the object to be measured in the liquid, and observe The volume of the object is calculated by multiplying the liquid level rise before and after the liquid by the cross-sectional area of ​​the liquid, and then according to its weighed weight (usually before immersing in the liquid, its mass is weighed by electronic scales, balances, etc.), to calculate its density. This type of method is rough and cumbersome, and generally ...

Claims

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Application Information

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IPC IPC(8): G01F17/00G01N9/02
Inventor 叶兴林
Owner CHONGQING YILINDA TECH
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