Development of smart loadboard checker to investigate the lifespan of relay

Abdul Jalil, Mohamad Haziq (2020) Development of smart loadboard checker to investigate the lifespan of relay. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Relays are switches, which open and close the circuit electromechanically or electronically. Relays control one electrical circuit by opening contacts and closing them in another. In recent times, the use of relays has expanded significantly in the industrial sector. The industrial sector uses more relays in the machines available at the factory and the durability of a machine also depends on the life of a relay. Therefore, this analysis is used to study the life span of a relay to ensure its durability. A relay’s lifespan depends essentially on the contact relay. The more movement of the contact relay the less the lifespan because the contact relays will become thinner. The human ability to detect damage to a relay is limited. This is because damage to a relay is not visible to the naked eye. Arduino UNO microcontroller is the major component as a brain of the project that will interface between all input and output devices. EEPROM is used to store the data for this system. The cycle for switching on and off a relay will be read by the Arduino UNO microcontroller and display on an LCD. The lifecycle readings of a relay can be known by generating this smart load board. By using LabVIEW software, the relay count cycle can also be displayed which shows the data based on the switching relay count. Testing relay test in this paper using 2 kinds of techniques that were checking the relay with load and checking relay without load.

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