Mechanical backup systems for electronic environmental controllers

R. S. Gates, D. G. Overhults, L. W. Turner

Research output: Contribution to journalArticlepeer-review

Abstract

A series of mechanical backup systems for electronic environmental controllers is presented for a typical finishing swine barn and a typical tunnel ventilated broiler house. The systems consist of mechanical thermostats and timers used in parallel with the electronic controller, designed to ensure animal survival in the event of controller or related hardware failure. For swine housing, three distinct mechanical backup functions are identified; for broiler housing, four distinct mechanical backup functions are identified. Schematic diagrams of the mechanical backup functions are provided and their implementation is described.

Original languageEnglish (US)
Pages (from-to)491-497
Number of pages7
JournalApplied Engineering in Agriculture
Volume8
Issue number4
StatePublished - Jul 1992
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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