IRRIGATION SYSTEM WITH ET BASED SEASONAL WATERING ADJUSTMENT
First Claim
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1. An irrigation system comprising:
- a stand alone irrigation controller comprising a first plurality of user inputs that enable a user to enter a watering schedule including a run time and to manually adjust a percentage adjustment value of a percentage adjustment feature, a computer processor operatively connected to the plurality of user inputs, and a memory connected to the computer processor, wherein programming stored in the memory implements said percentage adjustment feature to change the run time of the watering schedule by the percentage adjustment value;
a stand alone weather station including at least one environmental sensor; and
a stand alone control unit comprising a memory storing programming that calculates an irrigation value using a signal from the at least one environmental sensor and communicates an irrigation adjustment value responsive to the irrigation value to the computer processor of the stand alone irrigation controller to automatically modify said percentage adjustment value.
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Abstract
An ET based irrigation system includes a stand alone irrigation controller with a seasonal adjust feature and a stand alone weather station including at least one environmental sensor. The ET based irrigation system further includes a stand alone ET unit operatively connected to the irrigation controller and the weather station. The ET unit includes programming configured to calculate an estimated ET value using a signal from the environmental sensor and to automatically modify a watering schedule of the irrigation controller through the seasonal adjust feature based on the estimated ET value to thereby conserve water while maintaining plant health.
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Citations
20 Claims
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1. An irrigation system comprising:
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a stand alone irrigation controller comprising a first plurality of user inputs that enable a user to enter a watering schedule including a run time and to manually adjust a percentage adjustment value of a percentage adjustment feature, a computer processor operatively connected to the plurality of user inputs, and a memory connected to the computer processor, wherein programming stored in the memory implements said percentage adjustment feature to change the run time of the watering schedule by the percentage adjustment value; a stand alone weather station including at least one environmental sensor; and a stand alone control unit comprising a memory storing programming that calculates an irrigation value using a signal from the at least one environmental sensor and communicates an irrigation adjustment value responsive to the irrigation value to the computer processor of the stand alone irrigation controller to automatically modify said percentage adjustment value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An irrigation system comprising:
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a plurality of user inputs that enable a user to enter a watering schedule including a run time and to manually adjust a percentage adjustment value of a percentage adjustment feature; a computer processor operatively connected to the plurality of user inputs; a memory connected to the computer processor to store the watering schedule; at least one environmental sensor configured to generate a signal representative of an environmental condition, the computer processor configured to calculate an irrigation value based at least in part on the signal from the at least one environmental sensor and determine an irrigation adjustment value responsive to the irrigation value; and programming stored in the memory to implement said percentage adjustment feature to increase or decrease the run time of the watering schedule by the percentage adjustment value, the programming automatically increasing or decreasing said percentage adjustment value based on the irrigation adjustment value. - View Dependent Claims (12, 13, 14, 15)
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16. A method of controlling a plurality of valves on an irrigation site, the method comprising:
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accepting inputs from a user that enable the user to enter a watering schedule including a run time, and to manually adjust a percentage adjustment value of a percentage adjustment feature configured to change said watering schedule by said percentage adjustment value; receiving a signal representative of a current environmental condition on an irrigation site; determining an irrigation adjustment value based on the signal; implementing said percentage adjustment feature to increase or decrease the run time of the watering schedule by the percentage adjustment value; and automatically increasing or decreasing said percentage adjustment value based on the irrigation adjustment value. - View Dependent Claims (17, 18, 19, 20)
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Specification