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Automatic liquid level detection and refill in a container using ultrasonic module.

机译:使用超声波模块自动检测液位并重新填充到容器中。

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摘要

The need to conserve water has increased with adverse weather conditions due to global warming. The proposed embedded system model provides an economical method in preventing unmonitored water loss from storage facilities. The model consists of an ultrasonic level controller that is interfaced with a microcontroller. Using sonar, the delay between the transmitted and received signals is used for finding the liquid level. When the level of a liquid falls below a certain point, the pump automatically starts and continues pumping until the required liquid level is reached. The pump operates using the signals received from a microcontroller and uses a relay mechanism. A step down transformer, a bridge rectifier, a capacitive filter, and a voltage regulator convert the AC to DC voltage level of +5v to operate both the microcontroller and Liquid Crystal Display (LCD). Results show the level measurement is unaffected by the physical properties of a liquid.
机译:由于全球变暖,在不利的天气条件下,节水的需求增加了。所提出的嵌入式系统模型提供了一种经济的方法,可以防止存储设备中的监控水流失。该模型包括与微控制器接口的超声波液位控制器。通过声纳,发射信号和接收信号之间的延迟被用于寻找液位。当液位低于某个特定点时,泵将自动启动并继续泵送,直到达到所需液位为止。泵使用从微控制器接收到的信号进行操作,并使用继电器机制。降压变压器,桥式整流器,电容滤波器和电压调节器将交流电压转换为+ 5v的直流电压,以使微控制器和液晶显示器(LCD)均运行。结果表明液位测量不受液体物理性质的影响。

著录项

  • 作者

    Mayya, Narayana.;

  • 作者单位

    California State University, Long Beach.;

  • 授予单位 California State University, Long Beach.;
  • 学科 Electrical engineering.
  • 学位 M.S.
  • 年度 2016
  • 页码 48 p.
  • 总页数 48
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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