Development of a Dual Sensor Heat Control System

TL;DR

This paper presents a dual sensor heat monitoring system that automatically controls home appliances by switching off power or triggering alarms when preset temperature thresholds are exceeded, enhancing safety and convenience.

Contribution

It introduces a novel dual sensor heat control system using linear temperature sensors and comparators for reliable temperature monitoring and automatic safety responses.

Findings

System effectively switches off power when temperature exceeds preset limit

Alarm triggers reliably upon temperature threshold breach

System tested and confirmed to be fully functional

Abstract

Convenience and safeguarding our home appliances have become an important issue when dealing with an advancement and growth of an economy. This research focuses on the design and construction of a Dual Sensor heat-monitoring system. The circuit works by monitoring temperature from an external input and comparing the temperature level with that of a preset temperature value. The power output of the circuit is cut off or switched OFF or an alarm is triggered ON if the temperature of the external input is equal to or, greater than the preset temperature value. The methodology involves the application of linear precision temperature sensors i.e., they generate a voltage that is directly proportional to the temperature. Basically the system is constructed using temperature sensors and comparators. The system is powered using a 12V power supply. The results of the tests showed that the power output of the circuit is switched OFF hence switching OFF the heating device or an alarm is triggered ON when the device exceeded a preset temperature level. The general operation of the system and performance is dependent on the temperature difference between the preset temperature value and external temperature intended to be monitored. The overall system was tested and found perfectly functional.