CA2390955A1 - A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil - Google Patents

A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil Download PDF

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Publication number
CA2390955A1
CA2390955A1 CA002390955A CA2390955A CA2390955A1 CA 2390955 A1 CA2390955 A1 CA 2390955A1 CA 002390955 A CA002390955 A CA 002390955A CA 2390955 A CA2390955 A CA 2390955A CA 2390955 A1 CA2390955 A1 CA 2390955A1
Authority
CA
Canada
Prior art keywords
irrigation
localised
control units
controller
supply unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002390955A
Other languages
French (fr)
Other versions
CA2390955C (en
Inventor
Tom Nohr Christiansen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
S-RAIN CONTROL AS
Original Assignee
S-Rain Control A/S
Tom Nohr Christiansen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S-Rain Control A/S, Tom Nohr Christiansen filed Critical S-Rain Control A/S
Publication of CA2390955A1 publication Critical patent/CA2390955A1/en
Application granted granted Critical
Publication of CA2390955C publication Critical patent/CA2390955C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1866—For controlling soil irrigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86389—Programmer or timer

Abstract

A two-wire controlling and monitoring system (10) for in particular irrigation of localised areas of soil according to an aspect of the invention comprises a water pipeline (16), a first plurality of controllable irrigation valves (42), a second plurality of fields sensors (54) measuring specific irrigation parameters, and a third plurality of localised irrigation control units (18). The third plurality of localised irrigation control units (18) each comprises a sensor decoder (52) connected to a specific field sensor (54) of the second plurality of field sensors (54) and/or a line decoder (44) connected to a specific controllable irrigation valve (42) of the first plurality of controllable irrigation valves (42). The two-wire controlling and monitoring system (10) further comprises a controller and power supply unit (30) having a set of schedules of instructions and supplying power by applying a first alternating DC voltage signal to a two-wire cable (28) interconnecting the controller and power supply unit (30) and the third plurality of localised irrigation control units (18). The two-wire cable (28) provides the power from the controller and power supply unit (30) to each of the third plurality of localised irrigation control units (18). The controller and power supply unit (30) transmits the schedules of instructions to the third plurality of localised irrigation control units (18) through the two-wire cable (28) and receives the specific irrigation parameters from the third plurality of localised irrigation control units (18) through the two-wire cable (28).
CA 2390955 1999-11-25 2000-11-15 A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil Expired - Lifetime CA2390955C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99610074.9 1999-11-25
EP19990610074 EP1103178B1 (en) 1999-11-25 1999-11-25 A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil
PCT/DK2000/000635 WO2001037641A1 (en) 1999-11-25 2000-11-15 A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil

Publications (2)

Publication Number Publication Date
CA2390955A1 true CA2390955A1 (en) 2001-05-31
CA2390955C CA2390955C (en) 2009-02-03

Family

ID=8242570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2390955 Expired - Lifetime CA2390955C (en) 1999-11-25 2000-11-15 A two-wire controlling and monitoring system for in particular irrigation of localised areas of soil

Country Status (11)

Country Link
US (3) US6766221B1 (en)
EP (1) EP1103178B1 (en)
AT (1) ATE385114T1 (en)
AU (1) AU773959B2 (en)
CA (1) CA2390955C (en)
DE (1) DE69938048T2 (en)
DK (1) DK1103178T3 (en)
ES (1) ES2303371T3 (en)
NZ (1) NZ519256A (en)
WO (1) WO2001037641A1 (en)
ZA (1) ZA200204109B (en)

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Also Published As

Publication number Publication date
AU773959B2 (en) 2004-06-10
CA2390955C (en) 2009-02-03
US6766221B1 (en) 2004-07-20
DE69938048D1 (en) 2008-03-13
AU1382301A (en) 2001-06-04
ZA200204109B (en) 2003-05-23
EP1103178B1 (en) 2008-01-23
DK1103178T3 (en) 2008-11-24
NZ519256A (en) 2003-11-28
US6993416B2 (en) 2006-01-31
DE69938048T2 (en) 2008-11-20
ES2303371T3 (en) 2008-08-01
US7146255B2 (en) 2006-12-05
US20060080003A1 (en) 2006-04-13
EP1103178A1 (en) 2001-05-30
US20050004715A1 (en) 2005-01-06
ATE385114T1 (en) 2008-02-15
WO2001037641A1 (en) 2001-05-31

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Effective date: 20201116