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A liquid-gas conversion pressure transmission device capable of automatically controlling the liquid level

A liquid-gas conversion and transfer device technology, applied in the field of experimental measurement, can solve problems such as troublesome exhaust operation, and achieve the effects of convenient production, simple structure and circuit, and reliable automatic control.

Active Publication Date: 2017-09-22
ZHEJIANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional exhaust operation is troublesome

Method used

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  • A liquid-gas conversion pressure transmission device capable of automatically controlling the liquid level
  • A liquid-gas conversion pressure transmission device capable of automatically controlling the liquid level

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Experimental program
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Embodiment Construction

[0027] Such as figure 1 , figure 2 As shown, it is a liquid-gas conversion type pressure transmission device capable of automatically controlling the liquid level of the present invention, including: a liquid-gas conversion cylinder 2 with an electrode 3, a water inlet 4 is provided on the liquid-gas conversion cylinder 2, and a liquid-gas conversion cylinder 2 The top is provided with a gas nozzle 1; a valve 6 connected to the gas nozzle 1 through a conduit; a pressure sensor 9 connected to the gas nozzle 1; and a relay 8 connected to the electrode 3, and the relay 8 is electrically connected to the valve 6.

[0028] The electrodes 3 are a pair, which are arranged in the middle of the side wall of the liquid-gas conversion cylinder 2, higher than the water inlet 4 of the liquid-gas conversion cylinder 2, and the pair of electrodes 3 are arranged at different heights according to the needs. In the figure, they are arranged in the liquid-gas conversion cylinder 2 in the middl...

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PUM

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Abstract

The invention discloses a liquid-gas conversion type pressure transmission device capable of automatically controlling the liquid level, comprising: a liquid-gas conversion cylinder with electrodes, the liquid-gas conversion cylinder is provided with a water inlet, and the liquid-gas conversion cylinder The top of the valve is provided with a gas nozzle; a valve connected to the gas nozzle through a conduit; a pressure sensor communicated with the gas nozzle; and a relay connected to the electrode, and the relay is electrically connected to the valve. The present invention is characterized in that electrodes are arranged in the cylinder, and the height of the water level in the corresponding cylinder can be automatically controlled by the location of the electrodes. The liquid-gas conversion type pressure transmission device capable of automatically controlling the liquid level of the invention has simple structure and circuit, convenient manufacture and reliable automatic control. The invention is especially suitable for the automatic collection, automatic control and automatic operation system of pressure or flow. The invention fills up the gap in the application of the existing pressure transmission medium liquid-gas conversion device in the field of automatic control.

Description

technical field [0001] The invention relates to the field of experimental measurement, in particular to a liquid-gas conversion type pressure transmission device capable of automatically controlling the liquid level. Background technique [0002] Hydraulics and Fluid Mechanics is a major professional basic course for many majors in engineering colleges. Modern hydraulics is based on the three pillars of experiment, theory and calculation. Therefore, experiment is an indispensable content in the teaching process. [0003] The water flow in the laboratory pipeline often needs to measure the pressure of the pipeline water flow, and the measured water pressure value is often low pressure or micro pressure, such as often 0.1-80 cm water column (less than 10KPa). For the low-pressure or micro-pressure measurement of liquids like water, the pressure transmission medium transmitted to the sensor is traditionally used in the whole process of working liquid, which has a large transmi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D9/12
Inventor 毛欣炜毛根海
Owner ZHEJIANG UNIV
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