Irrigation system with multiple soil moisture based seasonal watering adjustment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-011/00
G05B-011/01
B05B-003/00
F16K-031/00
출원번호
US-0713104
(2010-02-25)
등록번호
US-8793024
(2014-07-29)
발명자
/ 주소
Woytowitz, Peter J.
Kremicki, Jeffrey J.
Porter, LaMonte D.
출원인 / 주소
Hunter Industries, Inc.
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
16인용 특허 :
83
초록▼
An irrigation controller has a control panel including a display and a plurality of user inputs. A processor is operatively connected to the control panel and to a memory. A plurality of switches are operatively connected to the processor for turning a power signal ON and OFF to a plurality of valve
An irrigation controller has a control panel including a display and a plurality of user inputs. A processor is operatively connected to the control panel and to a memory. A plurality of switches are operatively connected to the processor for turning a power signal ON and OFF to a plurality of valves that deliver water to a plurality of sprinklers in different zones. Programming is stored in the memory for implementing a seasonal adjustment feature that is independently operable with a plurality of individual watering programs to selectively energize the valves. The programming calculates a soil moisture requirement value for each program using a signal from at least one soil moisture sensor that is associated with a zone that is assigned to that watering program, and automatically modifies the watering program assigned to that zone through the seasonal adjust feature based on the soil moisture requirement value.
대표청구항▼
1. An irrigation controller, comprising: a control panel including a display and a plurality of user inputs that enable a user to enter one or more watering programs, each watering program including at least one start time, at least one zone assigned to the watering program, a run time for each zone
1. An irrigation controller, comprising: a control panel including a display and a plurality of user inputs that enable a user to enter one or more watering programs, each watering program including at least one start time, at least one zone assigned to the watering program, a run time for each zone, and a percentage adjustment feature, the plurality of user inputs further enable the user to manually adjust a percentage adjustment value of the percentage adjustment feature for each watering program;a computer processor operatively connected to the control panel;a memory connected to the computer processor, said computer processor configured to execute programs stored in the memory;a plurality of switches operatively connected to the processor for turning a power signal on and off to a plurality of valves that deliver water to a plurality of sprinklers organized into different ones of said zones of an irrigation site;programming stored in the memory to accept input from a user via the plurality of user inputs to implement said one or more watering programs, wherein during each run time of each watering program, said computer processor operates ones of said plurality of switches to turn said power signal on to one or more of said plurality of valves thereby delivering said water to ones of said plurality of sprinklers to irrigate the at least one zone associated with that watering program, said programming further accepting input from the user via the user inputs to implement the percentage adjustment feature of each watering program to increase or decrease said run time of each zone assigned to that watering program by said percentage adjustment value, said percentage adjustment value being a percentage of said run time, wherein the computer processor implements said increase or decrease of said run time by said percentage adjustment value; andprogramming stored in memory that calculates an amount of time for at least one watering program until a signal from at least one soil moisture sensor associated with that watering program indicates a predetermined soil moisture level, compares said amount of time to reach the predetermined soil moisture level to the run time as increased or decreased by the percentage adjustment value for that watering program, and automatically increases or decreases said percentage adjustment value of said percentage adjustment feature for that watering program based on the comparison. 2. The controller of claim 1 wherein said percentage adjustment feature comprises a seasonal adjustment feature. 3. The controller of claim 1 wherein the programming provides a capability to enter through the control panel at least one no-water window that automatically overrides at least one watering program. 4. The controller of claim 1 wherein the programming automatically increases or decreases said percentage adjustment value of said percentage adjustment feature for that watering program based on the comparison and temperature signal from a temperature sensor. 5. The controller of claim 1 wherein a soil moisture requirement value is calculated by a second processor in a moisture sensor control unit operatively connected between the computer processor and the at least one soil moisture sensor. 6. The controller of claim 1 further comprising a plurality of decoder modules each connecting the computer processor with a corresponding one of the at least one soil moisture sensor. 7. The controller of claim 1 further comprising programming stored in memory that decreases said percentage adjustment value of said percentage adjustment feature for that watering program when the comparison indicates that the amount of time to reach the predetermined soil moisture level is less than the run time as increased or decreased by the percentage adjustment value. 8. The controller of claim 7 further comprising programming stored in memory that increases said percentage adjustment value of said percentage adjustment feature for that watering program when the comparison indicates that the amount of time to reach the predetermined soil moisture level is greater that the run time as increased or decreased by the percentage adjustment value. 9. A soil moisture based irrigation system, comprising: a stand alone irrigation controller comprising: a control panel including a display and a plurality of user inputs that enable a user to enter one or more watering programs, each watering program including at least one start time, at least one zone assigned to the watering program, a run time for each zone, and a percentage adjustment feature, the plurality of user inputs further enable the user to manually adjust a percentage adjustment value of the percentage adjustment feature for each watering program;a computer processor operatively connected to the control panel,a memory connected to the computer processor, said computer processor configured to execute programs stored in the memory;a plurality of switches operatively connected to the computer processor to turn a power signal ON and OFF to a plurality of valves that deliver water to a plurality of sprinklers organized into different zones of an irrigation site; and programming stored in the memory to accept input from the user via the plurality of user inputs to implement said one or more watering programs, wherein during said run times of each watering program, said computer processor operates ones of said plurality of switches to turn said power signal on to one or more of said plurality of valves thereby delivering said water to ones of said plurality of sprinklers to irrigate at least one zone associated with that watering program, said programming further accepting input from the user via the user inputs to implement the percentage adjustment feature of each watering program to increase or decrease each run time associated with that watering program by the percentage adjustment value;at least one soil moisture sensor physically associated with at least one watering program; anda stand alone soil moisture control unit operatively in communication with the stand alone irrigation controller and the at least one soil moisture sensor, the stand alone soil moisture control unit installed on the irrigation site and including programming stored in memory that calculates an amount of time for the at least one watering program until a signal from the at least one soil moisture sensor associated with that watering program reaches a predetermined soil moisture level, compares said amount of time to reach the predetermined soil moisture level to the run time as increased or decreased by the percentage adjustment value for that watering program to calculate a change to said percentage adjustment value, and communicates said change for that watering program to said computer processor of said stand alone irrigation controller to automatically increase or decrease said percentage adjustment value of said percentage adjustment feature for that watering program. 10. The system of claim 9 wherein the stand alone soil moisture control unit is configured to receive power from the stand alone irrigation controller. 11. The system of claim 9 further comprising a communications hub connecting the at least one soil moisture sensor and the stand alone soil moisture control unit. 12. The system of claim 9 wherein the processor implements said increase or decrease of said run time of each watering program without changing a time value of the run time stored in the memory of the stand alone irrigation controller. 13. The system of claim 9 wherein at least two soil moisture sensors are connected in a daisy chain connection configuration that allows communications between the at least two soil moisture sensors and the stand alone soil moisture control unit. 14. The system of claim 9 wherein the stand alone soil moisture control unit further comprises programming that decreases said percentage adjustment value of said percentage adjustment feature for that watering program when the comparison indicates that the amount of time to reach the predetermined soil moisture level is less than the run time as increased or decreased by the percentage adjustment value. 15. The system of claim 14 wherein the stand alone soil moisture control unit further comprises programming that increases said percentage adjustment value of said percentage adjustment feature for that watering program when the comparison indicates that the amount of time to reach the predetermined soil moisture level is greater than the run time as increased or decreased by the percentage adjustment value. 16. An irrigation controller, comprising: a control panel including a display and a plurality of user inputs that enable a user to enter one or more watering programs, each watering program including at least one zone assigned to that watering program and a run time for each zone;the plurality of user inputs further enable the user to assign one or more watering programs to one of a plurality of percentage adjustment features and to manually adjust a percentage adjustment value for each of the plurality of percentage adjustment features;a computer processor operatively connected to the control panel;a memory connected to the computer processor, said computer processor configured to execute programs stored in the memory;a plurality of switches operatively connected to the processor for turning a power signal on and off to a plurality of valves that deliver water to a plurality of sprinklers organized into different zones of an irrigation site;programming stored in the memory to accept input from a user via the plurality of user inputs to implement said one or more watering programs, wherein during said run times of each watering program, said computer processor operates ones of said plurality of switches to turn said power signal on to one or more of said plurality of valves thereby delivering said water to ones of said plurality of sprinklers to irrigate at least one zone associated with that watering program, said programming further accepting input from the user via the user inputs to implement the percentage adjustment feature of each watering program to increase or decrease said run times of that watering program by said percentage adjustment value, said percentage adjustment value being a percentage of said run time, wherein the computer processor implements said increase or decrease of said run time; andprogramming stored in memory that monitors soil moisture for at least one watering program using a signal from at least one soil moisture sensor associated with that watering program, wherein if the signal indicates that the soil moisture has reached a predetermined soil moisture level before completion of the run time as adjusted by said percentage adjustment feature for that watering program, then said percentage adjustment value of said percentage adjustment feature is automatically decreased, else said percentage adjustment value of said percentage adjustment feature is automatically increased. 17. The controller of claim 16 further comprising programming stored in the memory that decreases said percentage adjustment value of said percentage adjustment feature for that watering program by a percentage of actual run time to an amount of time to sense the predetermined soil moisture level. 18. The system of claim 16 further comprising programming stored in the memory that provides the capability to enter at least one no-water window that automatically overrides at least one watering program. 19. The system of claim 16 wherein the at least one soil moisture sensor is operatively connected to the computer processor through a wireless communications link. 20. The system of claim 16 further comprising programming stored in the memory that modifies the one or more watering programs through a data port.
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