Density liquid level measuring device and measuring method thereof

A liquid level measuring device and density technology, applied in the field of measuring instruments, can solve problems such as large measurement errors, achieve the effects of expanding the range, improving measurement accuracy, and accurate density measurement

Pending Publication Date: 2020-04-10
ANHUI RUILING GAUGE MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the technical problem of large measurement errors, the present invention provides a density liquid level measurement device and its measurement method

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  • Density liquid level measuring device and measuring method thereof
  • Density liquid level measuring device and measuring method thereof
  • Density liquid level measuring device and measuring method thereof

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] see figure 1 , the density and liquid level measuring device of the present invention comprises a hook-shaped tube 1, a semiconductor refrigeration module 2, a first solenoid valve 6, a first pressure gauge 3, a second pressure gauge 4, a liquid level sensor 7 and a temperature sensor 8, a liquid inlet The tube 5 , the controller 9 and the driving assembly, the semiconductor refrigeration module 2 , the first solenoid valve 6 , the first pressure gauge 3 , the second pressure gauge 4 , the liquid level sensor 7 and the temperature sensor 8 are connected to the controller 9 in communication. ...

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Abstract

The invention discloses a density liquid level measuring device and a measuring method thereof. The density liquid level measuring device comprises a hook-shaped pipe, a semiconductor refrigeration module, a first electromagnetic valve, a first pressure gauge, a second pressure gauge, a liquid level sensor, a temperature sensor, a liquid inlet pipe and a controller, wherein the semiconductor refrigeration module, the first electromagnetic valve, the first pressure gauge, the second pressure gauge and the temperature sensor are in communication connection with the controller. The measuring method comprises the steps of: heating a liquid to be measured to a preset temperature value; acquiring readings of the first pressure gauge, the second pressure gauge and the liquid level sensor; and solving the density by means of a formula P1=P2+rho gh. According to the density liquid level measuring device, the hook-shaped pipe, the pressure gauges, the temperature sensor and the liquid level sensor are used in cooperation, the pressure and the temperature of the liquid to be measured are measured at the same time, and therefore the density of the liquid to be measured can be directly calculated by means of the formula, and the density of the liquid at all temperatures can be detected in real time.

Description

technical field [0001] The invention relates to the field of measuring instruments, in particular to a density liquid level measuring device and a measuring method thereof. Background technique [0002] Density is a measure of mass within a specific volume. Density is equal to the mass of an object divided by its volume, which can be represented by the symbol ρ. In the International System of Units and Chinese legal units of measurement, the unit of density is kg / m 3 No matter in science, industry and agriculture, the density of objects has various applications, such as identifying the types of objects, calculating the composition of various substances contained in objects, judging the fertility of soil, etc. For some known objects, there are density tables For comparison, but for some mixtures, such as mixed liquids, it is necessary to actually measure them. When measuring the density of a liquid, it is directly measured by a density meter, but the accuracy of direct measur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/00G01F23/00G01L11/00G01K13/00G01D21/02
CPCG01N9/00G01F23/00G01L11/00G01K13/00G01D21/02
Inventor 段宏亮徐伶俐
Owner ANHUI RUILING GAUGE MFG CO LTD
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