Diaphragm pump based double-liquid-level measurement system and method

A liquid level measurement, diaphragm pump technology, applied in liquid/fluid solid measurement, measurement device, liquid level indicator displayed through pressure measurement, etc., can solve the problems of poor measurement effect, low stability of the measuring instrument, etc. and erosion, improve stability, and improve the effect of measurement accuracy

Inactive Publication Date: 2018-06-05
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The measuring instrument has low stability and poor measurement effect

Method used

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  • Diaphragm pump based double-liquid-level measurement system and method
  • Diaphragm pump based double-liquid-level measurement system and method
  • Diaphragm pump based double-liquid-level measurement system and method

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Embodiment Construction

[0037] A double-layer liquid level measurement system based on a diaphragm pump of the present invention includes a power supply module, a control module, an input module, a measurement and transmission module, an execution module, and a display and alarm module;

[0038] The power supply module adopts a switching power supply, which is used to convert AC to DC, stabilize the output voltage by means of a voltage stabilizing circuit, and simultaneously supply power to the control module, input module, measurement and transmission module, execution module and display alarm module;

[0039] The measurement and transmission module is used to measure system parameters in real time and send them to the control module, including a gauge pressure air pressure sensor and an ultrasonic sensor; the air pressure sensor is connected to the bottom of the working oil pool through a conduit to measure the pressure at the bottom of the liquid; the ultrasonic sensor Set on the top of the working...

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Abstract

The invention discloses a diaphragm pump based double-liquid-level measurement system and method. The system comprises a power module, a control module, an input module, a measurement transmission module, an execution module and a display alarm module. The measurement transmission module is used for measuring system parameters in real time and sending to the control module and comprises a gauge pressure type pneumatic sensor and an ultrasonic sensor. The pneumatic sensor is connected to the bottom of an operating oil pool and used for measuring liquid bottom pressure intensity, the ultrasonicsensor is arranged at the top of the operating oil pool and used for measuring total height of double liquid levels of lubricating oil and impurity liquid, and the control module is used for controlling the whole system. The system and the method have advantages that the double liquid levels of the lubricating oil and the impurity liquid can be monitored in real time, alarm information is sent outin liquid level abnormality, and automatic processing and stability and reliability of measurement effects are realized.

Description

technical field [0001] The invention belongs to the technical field of machine liquid level monitoring and control, and relates to a double-layer liquid level measuring system based on a diaphragm pump and a method thereof. Background technique [0002] During the operation of the machine, the lubrication system is an indispensable part. It can not only reduce the friction and loss of the machine, but also play a role in sealing, cooling and reducing the running noise. Therefore, the liquid level measurement of the machine lubrication system is It is a necessary means to ensure a good lubricating environment so that the machine can work reliably for a long time. [0003] The Chinese patent application with the application number 201310625227.0 discloses a capacitive intelligent liquid level measuring instrument, which includes four parts: a sensor detection unit, a 555 timer circuit, a single-chip microcomputer control system, and a display and alarm unit. A capacitive liqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/14G01F23/296
CPCG01F23/14G01F23/2962
Inventor 陈小翠张玉全何中伟冯世通
Owner HOHAI UNIV
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