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Poultry environmental control systems and methods

  • US 5,467,922 A
  • Filed: 09/19/1994
  • Issued: 11/21/1995
  • Est. Priority Date: 08/30/1993
  • Status: Expired due to Term
First Claim
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1. A system for accurately controlling the environment in an enclosure for poultry by insuring continuous operation of monitoring and control systems associated with said enclosure, comprising:

  • heating means disposed in said enclosure;

    temperature sensing means for sensing temperature within said enclosure and for generating temperature feedback signals indicative thereof;

    humidity sensing means for sensing humidity within said enclosure and for generating humidity feedback signals indicative thereof;

    fan means for blowing air out of said enclosure;

    a control means for controlling said heaters and said fans in response to said temperature feedback signals and said humidity feedback signals;

    program means associated with said control means, said program means for executing a list of instructions pertaining to said heating means and said fan means, said program means for generating watchdog timing signals indicative of the operation of said program means; and

    alarm means for monitoring said watchdog timing signals and for signalling an alarm upon failure to receive a watchdog timing signal within a predefined time period.

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