High-precision automatic sampling and calibrating ultrasonic liquid level monitoring system

An automatic sampling and liquid level monitoring technology, which is applied in the direction of testing/calibration devices, liquid/fluid solid measurement, and measuring devices, can solve problems such as poor compatibility, low measurement accuracy, and difficult calibration methods, so as to solve poor compatibility and realize The effect of data

Pending Publication Date: 2017-07-07
SHENZHEN DIANYINGPU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] 1. Since the liquid is affected by factors such as temperature, air pressure, and container material, the temperature compensation method cannot meet high-precision mea

Method used

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  • High-precision automatic sampling and calibrating ultrasonic liquid level monitoring system
  • High-precision automatic sampling and calibrating ultrasonic liquid level monitoring system
  • High-precision automatic sampling and calibrating ultrasonic liquid level monitoring system

Examples

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Embodiment 1

[0025] Such as Figure 1-Figure 6 As shown, a high-precision automatic sampling calibration ultrasonic liquid level monitoring system in this embodiment includes an ultrasonic probe, a transmitter, a power supply device, a container, and a server platform. The ultrasonic probe includes a sampling probe and a monitoring probe. The variable The transmitter is composed of a sensor driving circuit, a signal processing circuit, a wireless communication module, a positioning module, an output interface circuit, a power supply management circuit, and a single-chip microcomputer. The power supply device includes an external DC power supply and a backup battery. The server platform includes a handheld receiving device and Remote monitoring cloud platform.

[0026] The interface of the output interface circuit includes RS232, RS485, 4-20mA, and analog voltage output; the container is a variety of metal, plastic, glass and other containers for storing liquids, as well as high-temperature...

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Abstract

The invention discloses a high-precision automatic sampling and calibrating ultrasonic liquid level monitoring system, which comprises an ultrasonic probe, a transmitter, power supply equipment, a container and a server platform, wherein the ultrasonic probe comprises a sampling probe and a monitoring probe; the transmitter comprises a sensor drive circuit, a signal processing circuit, a wireless communication module, a locating module, an output interface circuit, a power supply management circuit and a single chip microcomputer; the power supply equipment comprises an external DC power supply and a standby battery. According to the high-precision automatic sampling and calibrating ultrasonic liquid level monitoring system, by adopting an externally bonded non-contact ultrasonic measurement technology, when the liquid changes under different factors such as a temperature, air pressure and a container, high-precision measurement of the liquid level can be ensured through automatic calibration; when liquids of different density are measured, the problems of poor compatibility, difficulty in calibration method and low measurement accuracy are solved; and meanwhile, by using a wireless technology and a locating technology, wireless fixed-point real-time monitoring of liquid level data is achieved.

Description

technical field [0001] The invention relates to the field of ultrasonic liquid level detection, in particular to a high-precision automatic sampling calibration ultrasonic liquid level monitoring system. Background technique [0002] At present, the traditional technology for measuring the liquid level in the container is relatively backward in the market, and the non-contact technology for measuring the liquid level in the container has been widely accepted. With the continuous improvement of market requirements for product performance and stability, the use of ultrasonic non-contact methods for real-time and high-precision monitoring of the state of the liquid level in the container has unique advantages and irreplaceable in various fields role. [0003] At present, the method of ultrasonic measurement technology to improve the accuracy of liquid level measurement generally adopts the method of temperature compensation; for the measurement of liquids with different densit...

Claims

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Application Information

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IPC IPC(8): G01F23/296G01F25/00
CPCG01F23/2962G01F25/20
Inventor 林聪
Owner SHENZHEN DIANYINGPU TECH
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