Method and apparatus for controlling temperature within poultry houses and the like

• US 5,492,082 A
• Filed: 01/18/1994
• Issued: 02/20/1996
• Est. Priority Date: 01/18/1994
• Status: Expired due to Term

• Current Assignee: CTB Incorporated (Berkshire Hathaway Incorporated)
• Original Assignee: CTB Incorporated (Berkshire Hathaway Incorporated)
• Inventors: Smith, William M. Jr., Strohschein, George, Krevinghaus, Robert E., Swartzendruber, Ray E.
• Primary Examiner(s): Swiatek, Robert P.
• Application Number:
  US08/183,125
• Time in Patent Office: 763 Days
• Field of Search: 119/16, 119/21, 119/22, 454/233, 454/239, 236/49.3
• US Class Current: 119/448
• CPC Class Codes: A01K 1/0047 Air-conditioning, e.g. ventilation, of animal housings

Abstract

A facility for housing animals such as poultry in a well-ventilated and temperature controlled environment. The facility includes an electronic temperature controller system for providing manual control, as well as programmed operation, over a plurality of side wall curtains, a plurality of tunnel curtains, a plurality of side wall exhaust fans and a plurality of tunnel fans. The system enables the user to instantly visually check the status of, and program operation of, each of these devices by providing a plurality of independent switch controls and indicia for each such device associated with the facility. In alternative embodiments a plurality of heater control switches are included as well as a plurality of auxiliary switch controls for controlling a plurality of optional stir fans. The user is afforded the capability of quickly and easily checking the status of, or programming, the operation of each and every cooling device associated with the facility without resort to computer keyboards or scrolling through numerous menus of menu-driven software systems.

Claims

1. A facility for use in housing animals, said facility comprising:

a structure for defining the inside of said facility;

means for regulating the temperature of the air within said structure, said means for regulating the temperature of the air within said structure including;

a) a first plurality of fans which are operable to direct the air inside said structure in a first direction, and

b) a second plurality of fans which are operable to direct the air in a second direction within said structure; and

means for controlling the operation of said means for regulating the temperature of the air within said structure, said means for controlling including;

a) a case defined in part by a cover,

b) a microprocessor disposed within said case which is operable to control the operation of said first and second plurality of fans,

c) a first plurality of switches visible from the exterior of said case, said first plurality of switches electrically communicating with said microprocessor and being operable to control said first plurality of fans,

d) a second plurality of switches visible from the exterior of said case, said second plurality of switches electrically communicating with said microprocessor and being operable to control said second plurality of fans, and

e) means for continuously indicating the position of each of said switches;

whereby the temperature of said air within said structure may be controlled.

2. The facility of claim 1, further comprising:

a third plurality of switches visible from said exterior of said case, said third plurality of switches electrically communicating with said microprocessor and being operable to control a third plurality of fans independently of said first and second pluralities of fans.

3. The facility of claim 1, wherein said means for controlling the operation of said means for regulating the temperature of the air within said structure further comprises:

at least one switch visible from said exterior of said case and electrically communicating with said microprocessor for controlling operation of at least one curtain associated with said structure.

4. The facility of claim 1, wherein said means for controlling the operation of said means for regulating the temperature of the air within said structure further comprises:

at least one switch visible from said exterior of said case and electrically communicating with said microprocessor for controlling the operation of at least one heater disposed within said facility.

5. The facility of claim 1, wherein said means for controlling the operation of said means for regulating the temperature of the air within said structure further comprises:

switch means visible from said exterior of said case for enabling a user to define a plurality of stage temperatures at which said first and second pluralities of fans are to turn on.

6. The facility of claim 5, wherein said switch means further comprises a mode selection switch visible from said exterior of said case and electrically communicating with said microprocessor for enabling said user to select one of a plurality of operational parameters to be programmed by said user.

7. The facility of claim 6, further comprising:

a plurality of temperature sensors disposed within said facility and in electrical communication with said microprocessor;

a temperature sensor selector switch visible from said exterior of said case and electrically communicating with said microprocessor for enabling said user to select any one of said plurality of temperature sensors to be read; and

display means in electrical communication with said microprocessor and visible when viewing said cover of said case for providing a visual indication of a temperature sensed by said temperature sensor selected by said user via said temperature sensor selector switch.

8. The facility of claim 1, wherein said means for controlling the operation of said means for regulating the temperature of the air within said structure further comprises:

a first mode transition switch in electrical communication with said microprocessor and being visible from said exterior of said case for enabling said user to manually select a temperature level within said structure at which a transition occurs from a first cooling mode of operation to a second cooling mode of operation; and

a second mode transition switch in electrical communication with said microprocessor and being visible from said exterior of said case for enabling said user to manually select a temperature level within said structure at which said second cooling mode of operation is exited and a third cooling mode of operation is entered.

9. The facility of claim 1, wherein said means for controlling the operation of said means for regulating the temperature of the air within the structure further comprises:

a stage temperature in electrical communication with said microprocessor for defining a plurality of stage temperatures;

an adjustment switch for enabling a user to select a temperature level for each one of said stage temperatures; and

display means for providing a visual display of said temperature level as said adjustment switch is manipulated by said user.

10. A facility for use in housing animals and providing a well ventilated and temperature controlled climate for said animals, said facility comprising:

a structure for defining an inside of said facility, said structure including;

a first side wall having at least one opening and a second side wall having at least one opening;

first curtain means for controllably covering said at least one opening in said first side wall;

a first fan disposed in said at least one opening in said second side wall for exhausting air from said inside of said facility;

a first end wall and a second end wall;

a second opening disposed in one of said first side wall, said second side wall or said second end wall;

second curtain means disposed over said second opening for controllably covering said second opening;

a third opening disposed in one of said first side wall, said second side wall or said end wall so as to be at an opposite longitudinal end of said facility from said second opening;

temperature sensing means disposed within said facility for sensing a temperature within said facility and generating a corresponding electrical output indicative of said sensed temperature;

a second fan for generating a cooling air flow longitudinally along substantially an entire length of said inside of said facility;

controller means for controlling operation of said first curtain means, said second curtain means, said first fan and said second fan, said controller means being responsive to said temperature sensing means and including;

an enclosure defined in part by a front panel;

a microprocessor disposed within said enclosure in electrical communication with said first curtain means, said second curtain means, said first fan and said second fan, said microprocessor providing a first cooling mode of operation in which said first fan is turned on while said first and second curtain means are each closed and said second fan is turned off to thereby provide a minimum degree of ventilation of said facility, a second mode of operation in which said first fan is turned on, said first curtain means is opened and said second fan is turned off to thereby enable natural cross ventilation of said facility, and a third cooling mode of operation in which said first curtain means is closed, said first fan is turned off, said second curtain means is opened and said second fan is turned on to thereby cause a cooling air flow to be generated through substantially an entire longitudinal length of said inside of said facility which provides a wind-chill like cooling effect, to thereby help cool said animals housed within said facility;

at least one manually engageable switch on said front panel in electrical communication with said microprocessor for enabling a user to define at least a first stage temperature and a second stage temperature;

a first mode transition switch in electrical communication with said microprocessor accessible from said front panel for enabling said user to select at which one of said user-defined stage temperatures said first cooling mode of operation is to be exited and said second cooling mode of operation is to be entered; and

a second mode transition switch manually accessible from said front panel and in electrical communication with said microprocessor for enabling said user to select at which one of said user-defined stage temperatures said second cooling mode of operation is to be exited and said third cooling mode of operation is to be entered.

11. The facility of claim 10, wherein said front panel of said control means further comprises indicia associated with said first mode transition switch for providing an immediate visual indication to said user of said stage temperature at which said user has defined that said first cooling mode of operation is to be exited and said second cooling mode of operation is to be entered.

12. The facility of claim 10, further comprising:

a fan control switch in electrical communication with said microprocessor and being manually and visually accessible from said front panel for enabling said user to independently preselect one of said stage temperatures at which said second fan is to turn on; and

indicia associated with said fan control switch for independently controlling said second fan for providing a continuous visual indication to said user indicative of said stage temperature at which said second fan has been preselected by said user to turn on.

13. The facility of claim 12, wherein said fan control switch for independently controlling said second fan includes a position for enabling said user to set said second fan for continuously on operation;

and

a position for enabling said user to disable said second fan such that said second fan is not turned on when said third mode of operation is entered.

14. The facility of claim 12, wherein said first and second mode transition switches include means for visually indicating which one of said first, second and third cooling modes of operation is currently being implemented by said microprocessor.

15. The facility of claim 10, further comprising a manually engageable curtain means control switch in electrical communication with said microprocessor and manually accessible by said user from said front panel for enabling said user to preselect one of a plurality of operational modes of operation for said first curtain means including:

an automatic mode of operation in which said first curtain means is controlled automatically by said microprocessor to open and close in accordance with said first, second and third cooling modes of operation;

a continuously open mode of operation in which said first curtain means is opened to allow ambient air to enter said inside of said facility and is locked in said opened position;

a closed mode of operation in which said first curtain means is closed and remains in a closed position blocking air flow through said first side wall into said inside of said facility regardless of which one of said first, second and third cooling modes of operation is implemented by said controller means.

16. The facility of claim 10, further comprising:

a second curtain control switch manually accessible from said front panel by said user and in electrical communication with said microprocessor for enabling said user to preselect a plurality of operational modes of said second curtain means including;

an automatic mode of operation in which said second curtain means is responsive to said microprocessor and is caused to open and close in accordance with said first, second and third cooling modes of operation as implemented by said microprocessor;

an open mode of operation in which said second curtain means is caused to be opened and locked in an open position regardless of said first, second and third cooling modes of operation implemented by said controller means; and

a closed mode of operation in which said second curtain means is caused to be closed and is disabled regardless of said first, second and third cooling modes of operation implemented by said microprocessor.

17. The facility of claim 10, further comprising an independent first fan control switch manually accessible by said user from said front panel and in electrical communication with said microprocessor for enabling said user to program said first fan to be turned on at a selected one of said user-defined stage temperatures when said controller system is operating in said first cooling mode of operation, and for enabling said user to program at which one of said user predefined stage temperatures said first fan is to turn on when said controller system is operating in either said first or second cooling modes of operation.

18. The facility of claim 10, wherein said controller means includes display means for providing an immediate, continuous visual indication to said user when viewing said front panel of which stage temperature has been reached within said facility.

19. The facility of claim 10, wherein said controller means includes a numerical display visible when viewing said front panel for providing said user with a visual indication of said temperature sensed within said structure by said temperature sensing means.

20. The facility of claim 10, wherein said facility further comprises an auxiliary ventilation fan disposed within said facility;

and

wherein said controller means includes an auxiliary fan control switch visible and manually accessible from said front panel for enabling said user to define at which one of said preselected stage temperatures said auxiliary ventilation fan is to be turned on.

21. The facility of claim 20, wherein said auxiliary fan control switch for enabling said user to select at which one of said predefined stage temperatures said auxiliary ventilation fan is to be turned on further enables said user to program said auxiliary ventilation fan to turn on at a user selected one of said stage temperatures only while said microprocessor is implementing said first cooling mode, only while said microprocessor is implementing said second cooling mode, or when either said first or said second cooling modes of operation are being implemented by said microprocessor.

22. The facility of claim 21, further comprising:

indicia associated with said auxiliary fan control switch for providing a continuous visual indication of which one of said cooling modes of operation said auxiliary ventilation fan is programmed to turn on; and

for providing a visible indication of said stage temperature at which said auxiliary ventilation fan is to turn on at.

23. The facility of claim 20, wherein said auxiliary fan control switch for controlling said auxiliary ventilation fan includes a position for enabling said user to turn on said auxiliary ventilation fan for continuous use such that said auxiliary ventilation fan is not affected by transitions between said first, second and third cooling modes of operation;

and

wherein said auxiliary fan control switch enables said operator to disable operation of said auxiliary ventilation fan such that said auxiliary ventilation fan does not respond to transitions between said first, second and third cooling modes of operation but remains continuously turned off.

24. The facility of claim 23, wherein said auxiliary fan control switch includes means for providing an immediate, continuous visual indication that said auxiliary ventilation fan has been set to turn on and run continuously.

25. The facility of claim 10, further comprising:

heating means for providing heat to said inside of said facility;

said controller means further including a heater control switch in electrical communication with said microprocessor and manually accessible from said front panel for enabling a user to select a stage temperature at which said heating means is to turn on, to cause said heater means to be continuously disabled, and for causing said heating means to be turned on continuously; and

indicia associated with said heater control switch for providing an immediate visual indication to said user as to whether said heater control switch has been set to cause automatic control over said heating means by said microprocessor, to cause said heating means to be continuously turned off, or to cause said heating means to be turned on for continuous operation.

26. A method for controlling ventilation and temperature within a facility for housing animals, wherein said facility includes first and second side walls and first and second end walls, said first side wall having an opening with a controllably openable and closable curtain disposed thereover, said second side wall having an opening with a first fan disposed therein, one of said side walls or one of said end walls having another opening over which a second controllably openable and closable curtain is disposed, and one of said side walls or said first end wall having an opening in which is disposed a second fan for generating a longitudinal air flow through substantially an entire length of an inside of said facility when said second curtain is opened, said method comprising the steps of:

using an electronic controller system having at least one manually engageable switch readily manually and visually accessible by a user to define a plurality of preselected temperature levels within said facility;

using at least one mode transition switch manually and visually accessible by said user for enabling said user to manually access one of said preselected temperature levels at which said at least one mode transition switch switches from a first cooling mode of operation to a second mode of operation, and from said second cooling mode of operation to a third cooling mode of operation;

using indicia with said at least one mode transition switch to provide an immediate visual indication as to the temperature level within said facility.

27. The method of claim 26 further comprising the steps of:

sensing a temperature within said facility; and

providing a visual indication of said temperature level within said facility, which indication is immediately visually readable by said user.

28. The method of claim 26, further comprising the step of using an independent, manually engageable switch for enabling said user to readily manually select one of said preselected temperature levels at which said first fan is to turn on.

29. The method of claim 26, further comprising the step of using an independent, readily accessible switch to enable said user to program said first curtain to be controlled automatically by said electronic controller system, or to be controlled manually by said user;

and

using indicia adjacent said independent switch to provide a readily visually apparent indication of how said first curtain has been set by said user to operate.

30. The method of claim 26, further comprising the step of using an independent, readily manually accessible switch to enable said user to select one of said preselected temperature levels at which said second fan is to turn on.

31. For a facility for use in housing animals, said facility having a first side wall having an opening over which a first electronically controllable curtain member is disposed, a second side wall having an opening in which a side wall fan is disposed, a temperature sensor disposed within said facility, an electronic controller system for controlling said curtain member and said side wall fan in accordance with at least first and second cooling modes of operation, said electronic controller system comprising:

an enclosure having a front panel;

a microprocessor disposed within said enclosure;

a plurality of independent relays electrically responsive to said microprocessor for controlling said curtain member and said side wall fan;

a stage temperature selection switch readily manually and visually accessible by a user from said front panel and in electrical communication with said microprocessor for enabling said user to define a plurality of stage temperatures;

a stage temperature set switch in electrical communication with said microprocessor and readily accessible from said front panel for enabling said user to define a precise temperature level for each one of said stage temperatures;

a first mode transition selection switch readily manually accessible by said user from said front panel for enabling said user to select one of said stage temperatures at which a transition is to be made by said electronic controller system from said first cooling mode wherein a minimal degree of ventilation is provided to said facility by said side wall fan, to said second cooling mode of operation, wherein said curtain member is caused to be opened by said electronic controller system to permit natural cross ventilation of said facility.

32. The electronic controller system of claim 31, further comprising an independent, readily manually accessible side wall fan control switch for enabling said user to select one of said plurality of stage temperatures at which said side wall fan is to turn on, and for enabling said user to program whether said side wall fan is to turn on only in said first cooling mode, or in both said first and second cooling modes of operation.

33. The electronic controller system of claim 32, further comprising:

means for forming a timer for controlling on and off operation, in intermittent fashion, of said sidewall fan when said sidewall fan is programmed by said user to turn on at a pre-determined one of said temperature stages; and

master selection switch means manually accessible from said front panel for enabling said user to program a duration of at least one of said on and off times of said timer means.

34. The electronic controller system of claim 31, further comprising first display means for providing an immediate, continuous visual indication of said stage temperature that has been reached within said facility.

35. The electronic controller system of claim 31, further comprising second display means for numerically displaying a temperature sensed by said temperature sensor within said facility.

36. The electronic controller system of claim 31, further comprising:

means for forming a timer for controlling on and off operation of said sidewall fan; and

master selection switch means visually and manually accessible by said user for enabling said user to program said timer.

37. The electronic controller system of claim 36, wherein said master selection switch means further enables said user to define a high alarm temp;

and

wherein said electronic controller system includes means responsive to said high alarm temperature programmed by said user for providing a high temperature alarm indication visually readable from said front panel.

38. For a facility for use in housing animals such as poultry, said facility having a first side wall having an opening over which an electronically controlled sidewall curtain is disposed, a second side wall having an opening within which at least one side wall exhaust fan is disposed, first and second end walls, an opening in one of said side walls or said second end wall over which an electronically controllable tunnel curtain is disposed, and an opening in one of said side walls or said first end wall at an end of said facility opposite to that of said tunnel curtain within which at least one tunnel fan is disposed, an electronic controller system for providing control over ventilation and a temperature within said facility, said electronic controller system comprising:

an enclosure including a front panel;

a microprocessor disposed within said enclosure;

a plurality of relays electronically controlled by said microprocessor and associated with said side wall curtain, said tunnel curtain, said side wall exhaust fan and said tunnel fan;

a temperature stage selector switch readily manually and visually accessible from said front panel by a user and in electrical communication with said microprocessor for enabling said user to define a plurality of temperature stages;

a temperature adjustment set switch in electrical communication with said microprocessor and readily manually accessible by said user from said front panel for enabling said user to set a precise temperature level for each one of said stage temperatures;

a first mode transition selection switch readily manually accessible from said front panel and in electrical communication with said microprocessor for enabling said user to select one of said stage temperatures at which said electronic controller system causes a first cooling mode, in which said side wall exhaust fan is turned on and said side wall curtain is closed, to be exited, and a second cooling mode, in which said side wall curtain is opened, to be entered;

a second mode transition selection switch in electrical communication with said microprocessor and readily manually and visually accessible from said front panel for enabling said user to select one of said stage temperatures at which said second cooling mode is to be exited and a third cooling mode, in which said tunnel curtain is opened and said tunnel fan is turned on to induce an air flow longitudinally through said facility, is entered.

39. The electronic controller system of claim 38, further comprising indicia associated with each of said first and second mode transition selection switches to provide an immediate visual indication of a programmed state of each one of said mode transition selection switches.

40. The electronic controller system of claim 39, further comprising indicia associated with said independent side wall fan control switch for providing an immediate visual indication to said user as to said programmed state of operation of said side wall fan.

41. The electronic controller system of claim 40, further comprising indicia associated with said tunnel fan control switch for providing an immediate visual indication to said user as to the stage temperature at which said tunnel fan is to turn on when said third cooling mode of operation is entered.

42. The electronic controller system of claim 38, further comprising an independent tunnel fan control switch in electrical communication with said microprocessor and readily manually and visually accessible from said front panel for enabling said user to define one of said plurality of temperature stages at which said tunnel fan is to turn on when said third cooling mode of operation is entered.

43. The electronic controller system of claim 38, further comprising an independent side wall fan control switch in electrical communication with said microprocessor and readily manually and visually accessible by said user from said front panel for enabling said user to select at which one of a plurality of said stage temperatures said side wall fan is to turn on during said first cooling mode of operation, and for enabling said user to select at which one of said plurality of said stage temperatures said side wall fan is to turn on in either said first or second cooling modes of operation.

44. The electronic controller system of claim 38, further comprising display means for providing a visual indication as to which one of said stage temperatures has been reached within said facility.

45. The electronic controller system of claim 38, further comprising:

an auxiliary fan control switch in electrical communication with said microprocessor and being readily manually accessible from said front panel for enabling said user to select one of said plurality of stage temperatures at which a supplemental ventilation fan disposed within said facility turns on when said electronic controller system is implementing said first cooling mode of operation, and for enabling said user to select one of said plurality of stage temperatures at which said supplemental ventilation fan turns on when said electronic controller system is implementing said second cooling mode of operation, and for enabling said user to command that said minimum ventilation fan turn on at one of said plurality of stage temperatures when said electronic controller system is implementing either one of said first and second cooling modes of operation.