USRE33746E - Programmable sprinkler system - Google Patents
Programmable sprinkler system Download PDFInfo
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- USRE33746E USRE33746E US07/477,323 US47732390A USRE33746E US RE33746 E USRE33746 E US RE33746E US 47732390 A US47732390 A US 47732390A US RE33746 E USRE33746 E US RE33746E
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- car
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- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Definitions
- the present invention relates to automatic watering systems, and in particular, to an automatic, programmable sprinkler system capable of watering large areas with the aid of a detachable car responsive to a preset program which may be modified or updated each time the detachable car leaves its carrier mechanism and moves along a plurality of rail paths.
- the art abounds with various types of automatic irrigation systems which generally fall into two broad classes.
- the first class is of a type which includes a water feed pipeline having a number of valves or connections to which one end of a hose may be affixed. The other end of the hose is connected to the watering mechanism.
- the watering mechanism may be automatically controlled either continuously operating or intermittent operation moving along under a programmable, preset number of cycles. As the watering mechanism moves along, it drags the hose behind it until the hose becomes fully extended at which time the system will shut down requiring a human to disconnect the hose and move it to the next valve opening along the line, wherein the cycle is repeated indefinitely.
- This type of system is generally used outdoors and may cover large areas. Typical of this type of watering mechanism is U.S. Pat. No. 4,463,906 issued Aug. 7, 1984 to Reinke, et al and U.S. Pat. No. 4,291,837 issued on Sept. 29, 1981 to Gheen.
- watering mechanisms have been designed to travel along an irrigation ditch having water disposed therein.
- a pumping device inserted in the water filled irrigation ditch brings the water to the watering mechanism.
- the automatic watering mechanism moves along the prescribed path generally perpendicular to the irrigation ditch the water may be transferred to the watering mechanism in a continuous manner controlled by the watering mechanism.
- the apparatus disclosed therein provides for a moving watering mechanism suspended from a pair of overhead rails.
- the mechanism includes a drive motor and a programmable control device which permits the vehicle to move along the pair of rails and water the area along the path described by the rails.
- the apparatus is limited insofar .[.is.]. .Iadd.as .Iaddend.it drags the hose connected to a pressurized water reservoir along behind the vehicle and may only be used in a prescribed single path extending the length of the hose.
- the instant invention overcomes the shortcomings of the prior art by providing an overhead watering system ideally suitable for use in large hothouses and/or nurseries wherein the limited footage of hose (150 feet) is carried with the watering mechanism.
- a single carrier may water any number of watering paths determined by an overhead rail system wherein the watering or irrigating car is detached from the carrier mechanism and can water a plurality of water paths completely controlled by preset instructions in the computer or programming means associated therewith.
- the irrigating car may have its instructions varied for each of the water paths and also may have instructions changed periodically along each prescribed path, thus providing an incrementally different watering scheme along each of the water paths.
- a programmable sprinkler/irrigation system comprises in combination, a first overhead rail, a pressurized water pipe disposed proximate the first overhead rail, which has a plurality of water valves extending outwardly and disposed at discrete intervals along its length.
- a source of electrical power is positioned proximate to and generally parallel with the first rail and extends essentially the entire length thereof.
- a plurality of second overhead rails are provided with each one of the rails having one end disposed proximate the water pipe and each of the water valves. The other end of .[.the.].
- each .Iadd.second rail extends away from the first rail, preferably perpendicular thereto, and defines a path along which the irrigation water is to be dispensed.
- a carrier mechanism is placed on the first rail.
- the carrier mechanism includes a device for moving the carrier along the first rail and includes a coupling mechanism to couple to the source of electrical power.
- the carrier also includes a detachable car which includes a device for coupling to the source of electrical power, a moving mechanism to move the car along the second rail, dispensing water heads, a coupling mechanism or plunger and an auxiliary drive motor for engaging each of the water valves in turn, and also provides a continuous water flow path to the water dispensing heads.
- a programmable computer is disposed in the car and controls the amount of water to be dispensed along each of the defined water paths.
- FIG. 1 is a top plan view illustrating the programmable sprinkler system, installed in a nursery building, according to the principles of the present invention
- FIG. 2 is an enlarged isometric pictorial representation of the carrier and irrigation car with portions broken away for clarity;
- FIG. 3 is a side view in elevation of the removable irrigation car positioned upon a rail which determines the irrigation path;
- FIG. 3A is a partial front sectional view in elevation of the speed detector mechanism disposed on the irrigation car;
- FIG. 4 is an enlarged rear view, in elevation, of the carrier mechanism and irrigation car partially broken away showing the interaction and their positions relative to each other;
- FIG. 5 is a partial view taken along the line 5--5 of FIG. 2;
- FIG. 6 is a side view, in elevation, of the hose disposed upon the path defining rail;
- FIG. 6A is a cross-sectional view taken along the lines 6A--6A shown in FIG. 6;
- FIG. 7 is an enlarged cross-sectional view of the water valve mechanism and a cooperating water coupling plunger mechanism
- FIG. 8 is a partial side view in elevation of the water coupling plunger shown is FIG. 7;
- FIG. 9 is an enlarged partially cross-sectional view in elevation, not to scale, of the rotatable water union and communicating contacts located in the hub of the hose reel housing;
- FIG. 10 is a side view in elevation, partially broken away, of the attachment/detachment mechanism utilized to release the irrigation car from the carrier mechanism;
- FIG. 11 is a bottom plan view, partially broken away, of the attachment/detachment mechanism shown in FIG. 10;
- FIG. 12 is a side view in elevation, partially broken away, of the alignment mechanism which aligns the carrier as it approaches an irrigation rail position;
- FIG. 13 is a front view in elevation of the alignment mechanism partially broken away taken along the line 13--13 of FIG. 12;
- FIG. 14 is a functional block diagram of the programmable computer system embodied in the instant invention.
- FIG. 15 is a pictorial schematic representation of the driving system and hose control mechanisms of the preferred embodiment.
- FIG. 16 is a pictorial representation of the mechanism used to provide electrical power for operation of the programmable sprinkler system shown in FIG. 1.
- FIG. 1 there is shown a top or plan view layout of a programmable sprinkler system 20 according to the principles of the present invention.
- the sprinkler system 20 is installed in a building or enclosure 22 such as a nursery, hothouse or arboretum in which numerous plants and trees are grown prior to their being transferred to a permanent location in the outside environment.
- a building or enclosure 22 such as a nursery, hothouse or arboretum in which numerous plants and trees are grown prior to their being transferred to a permanent location in the outside environment.
- a building or enclosure 22 such as a nursery, hothouse or arboretum in which numerous plants and trees are grown prior to their being transferred to a permanent location in the outside environment.
- skids or boxes 24 with each skid or box containing a plurality of plants and preferably positioned so that similar types of plants or shrubs would be placed in a row so that when the shrubbery is to be watered they would each get sufficient water to promote optimum growth.
- the instant invention is not restricted to any one set of watering procedures, it simplifies matters if the shrubbery, flowers, trees, etc. of similar types are boxed together so that the amount of water supplied to each type may be optimized and when they are eventually separated for distribution it simplifies the sorting problem.
- the nursery building 22 is shown with its roof removed and would be a typical hothouse wherein various types of plants, shrubs and/or trees are to be grown. Typically the roof of such a building would consist of a transparent or translucent cover to permit the sunlight to enter and reach the plants as they are growing.
- the building 22 is shown broken into several parts merely for convenience and to remove the repeating of the number of irrigation paths as will be explained hereinafter.
- a source of electric power, not shown, which may be a typical conventional AC outlet .[.400.]. .Iadd.402 .Iaddend.(see FIG. 16) is wired via a cable .[.422.].
- the pair of conductor tracks 408 and 410 are connected to the wall terminals and internally there is disposed a trolley device or mechanism 132 which is capable of moving the entire length of the electrical power strip 28.
- the trolley 132 includes a pair of electrical conductive contacts wheels which are in contact with the pair of conductive tracks, 408 and 410, and is provided with a coupling device 416 extending outwardly of the opening of the U-shaped housing adapted to receive wires 30 emanating from feed through pressure terminal or connector 31 located on the carrier mechanism 32 which is described in detail hereinafter with the aid of FIGS. 2, 3, 4 and 5.
- a typical electrical power strip is manufactured by the I-T-E Busway Systems Lighting Duct Company of Rolling Meadows, Ill., known as Model No. D2210.
- the electrical power strip 28 is suspended from the ceiling in a conventional manner with the aid of brackets 34.
- a source of water 41 under pressure is connected to a water pipe 40 that is provided with water valves 42 which extend outwardly from the water pipe 40 and are positioned at discrete positions along the length of the pipe.
- the pipe 40 extends parallel to the electrical power strip 28 approximately the full length of the building.
- the water valve 42 will be described hereinafter in great detail in conjunction with FIGS. 7 and 8.
- Water valve 42 is known as a ball valve and seals off any water therethrough until a mating plunger device 52 is inserted therein as will be explained.
- a plurality of rails 44 upon which the irrigation car 46 may travel are suspended from cross beams 48 spaced at increments across the width of building 22 extending longitudinally along the length of the building.
- Cross beams 48 are provided with C-shaped hangers or brackets 50 that are spaced along the length of the irrigation car rails 44 in a manner to rigidly support the rails 44 in fixed position.
- the irrigation car rails 44 are perpendicular to the overhead rail utilized to support the carrier mechanism 32 thereon they may, in fact, be disposed at an angle provided the water valves 42 are in the proper location to cooperate with the mating plunger 52 (see FIGS. 2, 7 and 8). Once the plunger 52 has made contact with the water valve 42, the rail may bend gradually as long as the irrigation car 46 is able to ride thereon.
- the car rails 44 determine the path along which the irrigation water is to be dispensed and thus, the boxes or skids 24 are aligned on either side of rail 44 along the width of the building 22 and may be repeated any number of times since, as will be explained hereinafter, the irrigation car 46 is capable of leaving the carrier mechanism 32 upon which it is mounted while moving in the direction of arrows 54 at discrete intervals, the position or interval at which the irrigation car 46 leaves the carrier mechanism 32 is determined by the location of each of the plurality of car rails and an optical reflector mechanism 72 that is disposed on the carrier rail 36 proximate each irrigation rail 44. The location of each of the plurality of car rails 44 and an optical reflector mechanism 72 that is disposed on the carrier rail 36 proximate each irrigation car rail 44 and an additional reflector 72 disposed on the underside of car rail 44.
- the mechanism for permitting the irrigation car 46 to leave the carrier mechanism 32 will be explained hereinafter in detail. Suffice it to say at the present time, that an optical system including a reflector 72, a light source 112, and receiver or photoelectric detector 113 is located on the irrigation car 46 and reads information on the reflectors 72 disposed on the rail 44.
- an optical system including a reflector 72, a light source 112, and receiver or photoelectric detector 113 is located on the irrigation car 46 and reads information on the reflectors 72 disposed on the rail 44.
- the carrier mechanism 32 When the carrier mechanism 32 reaches the end of the overhead rail 36, it is provided with a reflected light signal 184 impinging on the optical reading detector 113 (FIG. 3) which causes the motor 102 mounted therein to reverse, thus, causing the carrier mechanism 32 to move in the direction of arrows 56, permitting it to return to its initial or start position.
- the irrigation car 46 is capable of leaving the carrier mechanism 32 and moving along the car rails 44 when the carrier mechanism is aligned with car rail 44. It is only a matter of insuring the proper alignment of the movable extension rail portion 45 with rail 44 by providing the proper alignment information which is obtained by placing a reflector 72 along the carrier rail 36 for the car 46 to be able to leave the carrier 32, explained hereinafter. Extension rail 45 is permanently affixed to the carrier mechanism 32.
- the irrigation car 46 moves along car rail 44 providing water for irrigation by a boom 58 which has a plurality of spray heads 60 disposed thereon along the length thereof (See FIG. 3).
- the forward and rear booms 58 may be activated at the same time or individually, thus providing another control over the amount of water to be dispersed along the irrigation path.
- the speed that the irrigation car 46 moves along rail 44 will also determine the amount of water being placed on each of the skids 24 disposed below the sprinkler heads 60.
- a further discussion with regard to the control system will show how other means are available to control the amount of water being dispensed and also the method used for varying the amount of water which can be dispensed in increments as the irrigation car moves along car rail 44.
- irrigation car 46 may move in the forward direction as shown by arrows 62 and in the reverse direction as shown by arrows 64 and that the amount of water being dispensed may be varied on the forward run as compared to the reverse run along rail 44, if desired.
- the aisles 67 are provided between the rows of skids 24 so that persons working on the skids 24, either adding or taking out plants, will not be disturbed by the watering of the skids and the paths will remain dry. As shown in FIG. 1, only a sample number of rail paths 44 are depicted. It is to be noted that a desired number of rail paths may be provided with each being watered in a different manner.
- a water hose 66 is laid out behind the carrier as shown in FIGS. 3, 6 and 6A.
- the hose 66 is held in position along the rail 44 by means of a hanger bracket 68 and C-shaped brackets 50 which are affixed to the rails 44 by a pair of conventional bolts 70 (see FIGS. 6 and 6A).
- FIG. 2 is an enlarged isometric view, partially broken away, showing the carrier mechanism 32 with the irrigation car 46 disposed thereon at the point in which the irrigation car 46 has been stopped in position ready to permit the irrigation car 46 to leave the carrier mechanism and move off along the car rail 44 that defines the irrigation path.
- the carrier mechanism 32 rides upon carrier rail 36 by aid of a pair of support wheels 74 (see FIGS. 4 and 5). Support wheels 74 are driven by a plurality of pulley wheels 76, 78, 80 and 82 driven by a belt 84 which receives power from pulley wheel 82.
- Pulley wheel 76 is rigidly affixed to the same axle as support wheel 74 and thus, the power driving pulley wheel 82 when rotated in the direction of arrow 86 will cause the belt 84 to move in the direction of arrow 88 causing pulley wheel 76 and thus, support wheel 74 to rotate in the direction of arrow 90. Thus, the returning portion of belt 84 will move in the direction of arrows 92.
- Affixed to the same shaft or axle 94 is toroidal drive wheel 96, which is driven in the direction of arrow 98 by frictional contact with driving wheel 100.
- driving wheel 100 only comes in contact with toroidal drive wheel 96 when the irrigation car is in its extreme end or home position and thus, driving power for the carrier mechanism can only be obtained when the toroidal drive wheel 96 is in frictional contact with driving gear 100.
- Driving wheel 100 is driven by a belt and pulley system and is connected to the drive motor 102 which is located in the irrigation car 46 (see FIG. 3). The operation of the driving motor and the gear and pulley arrangements will be discussed in detail with regard to FIG. 3 and the complete pulley and drive system is disclosed in conjunction with FIG. 15
- a driving pulley gear wheel 104 is disposed on the opposite end of shaft 106 and is rigidly affixed thereon. Driving pulley wheel 104 is driven by belt drive 108 and to maintain the consistency of rotation indicated in FIG. 2, it moves in the direction of arrow 110.
- the carrier mechanism 32 is able to determine when it approaches the car rail 44 by means of an optical reflector 72 disposed on the underside of car rail 44 cooperating with a photoelectric light source 112 (see FIG. 3) positioned on the front panel 114 of the irrigation car 46.
- the electronics or computer 116 device is disposed within the irrigation car 46 just behind panel 114 and preferably is mounted on a printed circuit board 118 in a conventional manner. The function of the computer and the associated light source 112 in combination with the optical reflector mechanism 72 will be explained hereinafter.
- the alignment of the carrier mechanism 32 is insured by the upwardly extending bracket 120 disposed on the front portion 122 of the carrier mechanism 32 and is provided with a forward extending alignment wheel 134 which is guided into position by a pair of V-shaped guide rails 126 disposed in line with car guide rail 44 and the extension portion 45 of car rail 44 which is affixed to the carrier mechanism 32.
- the extension portion 45 is positioned directly in line with car rail 44 with a relatively small gap 128 disposed therebetween to enable the irrigation car 46 to transfer to rail 44.
- a follower arm 130 which comes into contact with the power cable 30 and continually applies pressure to the power cable 30 (wires) and thus, the trolley mechanism 132 (see FIG. 1) attached to cable 30 is caused to move within the electrical power strip 28 as the carriage mechanism 32 is moved along the carrier rail 36.
- the electronic computer device 116 permits the plunger mechanism 52 to engage the water valve 42 (see FIGS. 7 and 8) locking the carrier mechanism 32 in position and completing a water flow path from water pipe 40 through water valve 42 plunger pipe 136 onwardly through hose 66 connected on the end thereof.
- Hose 66 extends over the top portion 140 of the irrigation car 46 proximate the driving gear 100 which preferably has a truncated guide wheel 142 affixed on the outwardly extending portion of driving gear 100 (see FIG. 4).
- Hose 66 meets with the hose wheel assembly 154 causing the hose 66 to be payed out along the car rail 44 whenever the irrigation car moves out along the rail as will be explained hereinafter.
- a water take off hose 256 is provided on the plunger pipe 136 which is used to control the latching mechanism 146 (see FIGS. 10 and 11) described hereinafter.
- the carrier mechanism 32 with the irrigation car 46 disposed thereon together with the rail extension portion 45 travels along carrier rail 36 by means of the wheels 74, as explained earlier.
- the irrigation car 46 travels along car rail 44 by means of wheels 100 and 148 and have attached to the same axle a timing mechanism 150 which may be fixed over apertures 152 provided in wheel 151 or alternatively it may be placed on another timing wheel fixed on the same shaft, not shown. A detailed description of the timing mechanism 150 will be described in conjunction with FIG. 3A.
- the irrigation car 46 also includes thereon a reel housing 154 upon which the hose 66 is wound.
- a reel housing 154 upon which the hose 66 is wound.
- up to 150 feet of hose may be stored on the reel housing, thus permitting the car rail 44 to extend out a full 150 feet from the carrier rail 36 providing an irrigation path extending essentially the total length.
- the hose 66 is payed out as the irrigation car 46 moves along car rail 44 and it is rewound .[.unto.]. .Iadd.onto .Iaddend.the reel housing 154 as the irrigation car reverses and returns to its start position on the carrier rail 36.
- brackets 38 and 50 are suspended from overhead cross beams 48 which are disposed wherever necessary along the length and width of the building if a suitable railing structure is not present as supports for the building superstructure 22.
- FIG. 3 is a side view in elevation showing the irrigation car 46 in its position on the car rail 44 and in particular discloses the reel housing 154 having an axle 157 which is hollow and includes therein a slip ring assembly 158 shown in FIG. 9 that also includes a water take-off union 160 (rotary coupling) permitting the electrical contacts that supply the voltage to the drive motor 102 and the water flowing in hose 66 to exit the hose and enter the water spray boom 58 (front and rear) upon which the spray heads are affixed.
- a water take-off union 160 rotary coupling
- the irrigation car 46 also includes a reciprocating shuttle arm 164 driven by a belt 380 and pulley wheels 378 and 382 connected to the clutch shaft 374 which will cause the hose 66 to be evenly distributed over the width of the reel housing 165 as it moves in the direction of the arrow 170. (See FIG. 15) Thus, the hose 66 is carefully placed in reel housing 154 when it is moved in the direction of arrow 170 (toward the initial or start position proximate carrier rail 36).
- the power for the reciprocating shuttle arm may be traced back to drive motor 102 and its associated gear box and will be described in detail in conjunction with FIG. 15.
- Guide wheels 172 and 174 insure a smooth path for the traveling of hose 66 as it approaches the reciprocating shuttle arm 164 on its way towards the reel housing 154.
- a typical hose feed and rewind system may be purchased from Norco, Inc., Georgetown, Conn., Model #1715 and Polyclutch Corp., North Haven, Conn., Model #5A0-32 for the level winder and slip clutch assemblies, respectively.
- Pulley wheel 176 and belt 178 are used to drive the reel housing 154 permitting the hose to be payed out behind it as it moves along the rail 44.
- a timing mechanism shown in FIG. 3A, is of fairly conventional design and utilizes a wheel 151 which is provided with a plurality of apertures 152 and a light source 180 is disposed on one side thereof with a photoelectric detector 182 disposed on the other side of wheel 151.
- the light emanating from the light source 180 travels through the apertures 152 provided in the wheel 151 and when it impinges upon the photoelectric detector 182 provides an output voltage which is connected by means of a cable, not shown, to the computer device 116 which utilizes this information to provide an indication of the speed that the irrigation car is moving and thus, by changing the speed of drive motor 102, may control the amount of water being dispersed along the irrigation path.
- FIG. 4 is a rear view of the irrigation car 46 in position on the carrier mechanism 32. By utilizing a partial enlarged view as is shown herein, a clearer indication as to the relative position of the different components is obtained.
- the stopping or detachment mechanism appears on the upper surface 184 of irrigation car 146 and will be explained in detail in conjunction with FIGS. 10 and 11.
- FIG. 4 does not include any of the belt drives but includes the position of the drive pulley gears and friction gears, thus giving a more clear picture as to the driving and functioning mechanism of the irrigation car 46 and the carrier mechanism 32.
- FIG. 5 there is shown a partial side view of the irrigation car 46 with portions broken away for clarity.
- the position of the carrier mechanism 32 while suspended on rail 36 becomes apparent and the relationship of the irrigation car 46 with regard to the carrier mechanism may be clearly observed.
- the hose 66 paying off from the reel housing 154 passes over wheel 172 and as the irrigation car 46 moves in the direction of arrow 186.
- the hose 66 moves alongside wheel 100 and then down to the axle or hub assembly of the reel housing 154, thus carrying the water to where the water take off union (rotary coupling) 160 is located.
- Coupling 160 is described in detail in FIG. 9.
- the guide rails 126 are seen affixed by a conventional bolt 188 and nuts 190, 192, 194 and 196 to the overhead rail 48.
- connection shown is of a conventional nature and is utilized to hold the C-shaped brackets as well, as required.
- the lower portion of C-shaped brackets 38 and 50 are provided with a U-channel support 198. This provides for a more rigid support of the round support rails 44 and 36.
- FIGS. 6 and 6A The position of hose 66 as it is payed out along irrigation rail 44 is clearly shown in FIGS. 6 and 6A.
- a hanger bracket 68 is affixed to the underside of rail 44 and the hose 66 is held in position by the hanger bracket 68 as it is payed out when the irrigation car 46 moves along rail 44.
- Bracket 68 helps support the hose in addition to the C-shaped support brackets 50.
- FIG. 7 A cross-sectional view in elevation of the plunger mechanism 52 is shown in FIG. 7 and it can be seen that the plunger assembly includes a housing 200 into which is mounted a shelf 202 having a centrally disposed opening 205 removed from the edge 204 of the housing 200.
- the shelf 202 together with the housing edge 203 forms a reservoir or overflow catch basin for any water which may leak or seep past the seals 208 utilized in the mating water connector valve 42.
- Extending within the valve opening 205 is a U-shaped bracket 206 affixed to a tubular plunger pipe member 136 which functions as the valve opening probe and mates with the receptacle or V-seal 208 provided proximate the exit orifice 211 of valve 42.
- a guide plate 210 having an oval opening 214 is mounted to shelf 202 in a conventional manner, and enables the plunger pipe 136 to move freely within the oval opening 214 provided in the plate 210.
- Shelf 202 is also provided with a tube 216 which surrounds the opening 205 and extends downwardly therefrom until it is received by a telescoping tube member 218 which functions as a carrier for any overflow water which may be captured in the reservoir and flow within tube 216.
- Tube 218 is provided with a closed end 220 having an exit aperture 221 into which is affixed a drain tube 222.
- Drain tube 222 is provided with a flexible drain hose 223 which extends downwardly beyond the plunger mechanism 52 and permits overflow water to drain down to the irrigation path.
- Plunger pipe 136 is generally L-shaped in cross-section with the lower portion 224 thereof extending outwardly from an elongated opening or slot 226 provided in the housing 200. Slot 226 is elongated sufficiently so that the lower portion 224 of plunger pipe 136 may move freely its entire length of travel. Lower portion 224 is also embedded and affixed to a pusher block 228 which is disposed within the housing 200. Emanating from the bottom of the pusher block 228 is a rod member 229 which has a coil spring disposed therearound that has one end resting against the pusher-block 228 and the other end resting against a driver or cam follower block 230 disposed proximate the other end of housing 200.
- Block 230 is provided with a channel 232 disposed along its width and a roller gear 234 is placed within the channel or slot 232 to move freely therein.
- the axis 236 of roller gear 234 is connected to the periphery of a drive gear 238 which in turn is mounted on a shaft 240.
- a driving gear 143 engages gear 238 which is mounted on the output shaft of an auxiliary motor 242 that is activated by a signal received from the computer device 116 that occurs only when irrigation car 46 is in its home or start position on the carrier mechanism 32 and the carrier mechanism is aligned in position with a car rail 44.
- auxiliary motor 242 When auxiliary motor 242 is activated it causes roller gear 234, that has its axis 236 affixed proximate the periphery of gear 238, to rotate in an upwardly direction as shown by arrow 244 and therefore, will move the cam follower block 230 in the direction of arrow 244 as well as the shaft 229.
- Shaft 229 which has pusher block 228 affixed thereto and plunger pipe 212 also affixed thereto moves in the direction of arrow 244, thus moving the valve opening probe bracket 206) in the same direction where it will enter the V-seal 208 until it moves sufficiently high to raise check-ball 246, which has been holding back the water under pressure in valve housing 248 of valve 42.
- Check ball 246 is seated on an O-ring 250 when not urged away from its seat by the valve opening probe or plunger bracket 206. Once the water starts to flow through the now open exit orifice 211 of valve 42 the water will exit plunger pipe 136 and flow into hose 66.
- Plunger pipe 136 is provided with a section 252 that has a ball check arrangement 254 disposed therein which prevents any back flow of water.
- the ball and check arrangement 254 and small water take off hose 256 is used as a positive check in order to insure that the irrigation car 46 can not leave the carrier mechanism 32 unless the plunger pipe 136 has been properly engaged into valve 42 and at the same time locks the carrier mechanism 32 in position. The function thereof will be explained hereinafter.
- the water pressure occurring in the section 252 acts to release the irrigation car's attachment/detachment mechanism (locking mechanism) 146 as will be explained hereinafter in conjunction with FIGS. 10 and 11.
- Plunger pipe 136 is also provided with a T-shaped connection terminated in a pressure feed-through terminal connector 31 to which an electrical conductor cable 300 is connected, thereby feeding the cable 300 through the water carrier hose 66. (see FIG. 7)
- FIG. 8 is a partial side view in elevation of the driving mechanism for the plunger mechanism 52 showing the interconnection of the lifting portion of the mechanism.
- FIG. 9 is a partial cross-sectional view in elevation of the hub assembly portion 156 of the hose reel housing 154.
- the axle 157 of hub assembly 156 includes a sprocket pulley wheel 258 affixed to the axle 157 which extends laterally and, on the other end thereof is threaded into the water take-off union 160 by means of threads 261.
- the output orifice 262 of union 160 has a metal externally threaded adapter 265 onto which a hose 264 is affixed thereon, in a conventional manner (see FIG. 3), that is connected to a T-coupling 266 with the outputs thereof being coupled to the front and rear booms 58 used for watering.
- the input orifice 266 of reel shaft 157 has affixed thereon by means of bolts 268 a curved, preferably metal, tube 270 that extends outwardly from the hub 156 and is affixed to the end of hose 66, in a conventional manner, forming the lower most starting position of the hose on the reel assembly 154.
- a typical water take-off union is manufactured by Deublin Cartridge, Inc. of Northbrook, Ill., known as Model No. 6075-001-134.
- Plate 274 is disc-shaped and is provided with three slip rings, 276, 278 and 280 fabricated from a metallic material and against which, in intimate contact therewith, are contacts or brush holders, 282, 284 and 286 that are of conventional design and contain spring loaded brushes 288, 290 and 292 which are kept in intimate contact with rings 276, 278 and 280, respectively.
- the electrical power consisting of three wires, 295, 297 and 299 of cable 300 are connected to slip rings 276, 278 and 280, respectively, via feed through terminals 302, 304 and 306, respectively, and thus, via terminals 308, 310 and 312 on brush holders 282, 284 and 286 supply, the necessary electrical power for use by the computer device 116, optical circuitry 112 and 113, motor 102 and any other control circuitry as needed, as will be explained hereinafter.
- the electrical power in cable 300 is transferred from within the hose 66 by means of pressurized take off connector 301 which includes terminals 294, 296 and 298. Terminals 294, 296 and 298 are connected by wires 295, 297 and 299, respectively, to terminals 302, 304 and 306, which are in contact with slip rings 276, 278 and 280.
- Pulley wheel 258 affixed on axle 157, is connected by means of a belt 178 to pulley wheel 176 for driving power.
- FIGS. 10 and 11 are enlarged partial views of the upper portion of the irrigation car 46 partially broken away concentrating on the latching/detaching mechanism 146.
- a carrier stop 318 is affixed in a conventional manner to the extension portion of carrier rail 45 and is provided with a rubber bumper 320.
- the location of bumper 320 on extension rail 45 is positioned so that when the stopping block 322 affixed to the upper surface 184, of car 46, comes into contact with bumper 320, the toroidal drive wheel 96 will come into frictional contact with driving gear 100, thus placing the irrigation car 46 in its home or start position.
- Latching bar 324 with the pressure exerted by spring 326 which has one end thereof restrained by termination block 328 and the other end thereof pushing pusher bock 330, which is in intimate contact with the ball shaped end 332 of latching bar 324, holds bar 324 in its most downwardly position, thus causing latching bar 324 to come into contact with stopping bar 322 affixed on the upper surface 184 of irrigation car 46 thereby preventing the irrigation car 46 from being moved to the right in the direction of arrow 334 where it can leave the extension rail portion 45 which is affixed to carrier 32, and move on to car rail 44.
- irrigation car 46 will be locked in its home or start position unless the latching bar 324 can be moved to its alternate position as shown by arrow 336.
- This can be accomplished by pusher block 330 moving in the opposite direction and urging the ball shaped end 332 of latching bar 324 to move in the direction of arrow 338 with sufficient force to overcome the pressure exerted by spring 326 against pusher block 330.
- This is accomplished by having water under pressure flow into hydraulic cylinder 340, via hose 256, which as its other end connected to the T-section 252 provided on plunger pipe 136.
- FIG. 11 is a bottom view of the detachment and latching mechanism 146 shown in FIG. 10.
- Latching bar 324 rotates about an axis 325 provided in downwardly extending block 327.
- the ball shaped end 332 of latching bar 324 is free to move in the slotted aperture 329 when it moves from its locking or latching position to its release or detachment position shown in dotted lines in FIG. 10.
- the alignment mechanism 124 shown in FIGS. 12 and 13 includes a pair of guide rails 126 into which the guide wheel 134 enters as the carrier car 32 reaches the rest, home or start position.
- the guide wheel 134 approaches the home position as shown by the wheel in broken lines as it moves in the direction of arrows 127 wherein the narrowing portion 129 coincides with the rest, start or home position aligning carrier rail 45 with rail 44.
- the programming computer 116 is notified of its arrival thereto by receiving a reflected light signal 184 reflected from reflector 72 placed on the underside of car rail 44, (see FIG. 10) thereby staring a sequential series of events which permits the plunger 52 to attempt to enter valve 42 as explained earlier.
- L-shaped bracket 124 is affixed by means of a bolt 188 and nuts 189, 192 and 194, as previously described to cross beams 48 in a conventional manner and is mounted in line with the carrier rail 44 as explained earlier.
- an optical reflector 72 and a light source 112 and a photoelectric detector 113 are of conventional design and the reflector may be of any suitable type well known in the art, such as, for example, a typical bar code or what is more commonly known as the standard UPC bar code and the information obtained therefrom may be used to program a programmable computer 116 disposed on the printed circuit board 118, as explained earlier. It is also feasible to have manual controls whereby the driving motor 102 may have a remotely held manually controlled on/off switch operate the irrigation system as well as any other functions, which are presently performed by the computer. The typical functions performed by the control computer device 116 is explained in conjunction with FIG. 14 which depicts a functional block diagram of the computer mechanism 116.
- a typical optical and reflective system suitable for use in the instant invention is of the type known as Model No. 502A, manufactured by the Banner Engineering Corp. of Minneapolis, Minn.
- a typical control computer requires a central processing unit into which the signals consisting of 1's and 0's occurring from various switches or detectors positioned as will be described hereinafter provide either a ground (0) to the input terminals of the central processing computer 350, which as stated earlier as part of the computing device 116 mounted on printed circuit board 118.
- the sensors or detectors by providing a ground couple what is known as a zero condition to the input terminal of the CPU and the open circuit condition, interpreted by the computer as the one position which is in operation is generally plus 5 volts.
- Collision sensing switches 352 and 354 are disposed on the watering booms 58 front and rear (see FIG. 3) and thus, when the booms come into contact with an object in their path will change from their normal condition zero or one, to the opposite condition which is processed by the computer in a manner so as to stop drive motor 102.
- the following functions are provided by switches and/or sensors and are coupled into the computer, thus, causing the computer to provide an output signal to activate or deactivate an appropriate device or provide an audible signal.
- a tilt limiting switch 356 provides a signal to the central processing unit (CPU), if the irrigation car 46 were to be tilted beyond the acceptable limits and/or the booms interfere with something which causes them to tilt more than is desired.
- CPU central processing unit
- a mechanical park limit switch 358 also provides a signal to the CPU when the irrigation car 46 is properly parked on the carrier mechanism 32.
- a latch limit switch 360 tells the CPU that the latching/detachment mechanism 146 has been engaged or released.
- the speed of the irrigation car 46 may be maintained.
- FIG. 3A By utilizing the photoelectric detector 113 and reflector 72 the location of the carrier car carrier mechanism 32 may be readily indicated to the computer and thus an output signal can be provided for the next desired function.
- a detector and reflective device utilizing a code having a distinctive number of bars or particular arrangement thereon may be fed to the computer and instruct the computer to change the speed watering or operate any of the other control mechanisms as desired.
- a typical CPU may be purchased from Entertron Industries, Inc. of Gasport, N.Y., Model No. SK 1600.
- the central processing unit may contain any number of features such as e.g. a voice activated control, audio alarms, etc., which are well known in the art, all controlled by sensors and/or switches coupled to the central processing unit.
- the CPU is capable of providing the required outputs as desired, when combined with other power amplifying and/or switching devices.
- a manual or automatic start switch 362 may be incorporated for starting the system. Although the essential functioning outputs are shown coupled the manner connecting other functions to the system from the CPU, is well known in the art.
- the system includes inputs relating to: start; stop; pause (manual or automatic); home; carrier rail end; spray car rail end; and carrier approach to car rail position; water pressure switch; spray car parked switch; spray car latch switch; tilt switches; collision switches; reflector reader; rail alignment switch; tachometer (wheel provided with holes and electrical light and photo detector combined); job number selector switch; power failure switch; and manual interrupt switch and/or timer.
- the output of the CPU provides control pulses which may start the remotely located water pump in order to pressurize the input water, provide an audible buzzer alarm for a malfunction; operate a water valve, provide power to the main drive motor and auxiliary motor, reverse motor direction, change motor speed, and indicate that a row has not been completed.
- FIG. 15 there is shown a pictorial representation of the driving system as set forth in the embodiment described hereinbefore.
- the main support rail 44 supports the irrigation car 46 once it leaves the carrier mechanism 32 and is driven by drive wheel 100 resting upon rail 44.
- Drive wheel 100 has affixed on its shaft a pulley wheel 104 which is coupled by belt 108 to wheel 103 which is affixed to the output shaft 365 of drive motor and gear box 102.
- drive motor 102 when drive motor 102 is energized, power is transferred to driving wheel 100 enabling the irrigation car 46 to move along rail 44 in the direction of arrow 364.
- a pulley 370 Coupled on the output shaft 365 of motor 102 is a pulley 370 connected by means of a belt 372 to pulley 174, 168 and slip clutch 368, containing cam clutch 369 which is normally disengaged.
- Cam clutch 369 is manufactured by The Torrington Company of Torrington, Conn., known as a drawn cup roller clutch.
- the shaft 374 of slip clutch 368 has sprocket pulley 176 affixed thereon at one end and is coupled by means of belt 314 to sprocket gear 258 which is affixed to the shaft axel 157 of reel housing 154 and thus, provides for the unreeling of the hose 66 in the direction of arrow 376.
- a brake mechanism 366 containing cam clutch 367 (which is the same type as cam clutch 369), which supplies tension on the hose 66.
- Sprocket pulley 378 is connected by belt 380 to sprocket pulley 382 which provides power for the reciprocating cam mechanism 164 which level winds the hose when paying out or reeling in and is part of the reciprocating shuttle arm assembly 164 described earlier.
- the system is connected preferably to a source of AC electrical power 28 in addition to a source of pressurized water, via a water pipe 40 provided with water valves 42 as explained earlier.
- the carrier car 32 with the irrigation car 46 disposed thereon is placed upon overhead rail 36.
- the system is turned on either remotely or by a manual control switch and the computer central processer unit (CPU) 350 is automatically cleared and reset for start up and eliminating any false inputs or transients which may occur.
- the CPU will signal the remote water pump to pressurize the water system (if it is utilized) and then the computer will check by means of observing the optical system to determine where the carrier mechanism 32 is located, such as the beginning, start or home position.
- the CPU will provide driving power to motor 102 which then, moves the carrier mechanism 32 along carrier rail 36 to a position wherein an optical indicator 72 locates the position of a car rail 44 and signals the auxiliary motor to start the plunger mechanism 52 to engage the water valve 42.
- an optical indicator 72 locates the position of a car rail 44 and signals the auxiliary motor to start the plunger mechanism 52 to engage the water valve 42.
- the electrical power to the irrigation car 46 is transferred from the source of electrical power 28 to the carrier mechanism or car 32, via the water flow path provided in the hose 66.
- the electrical take-off is accomplished by means of a pair of pressure feed through terminals or connectors 31 provided on both ends of the hose 66.
- the cable 300 is positioned in the center of hose 66 and continues the complete length thereof transferring the electrical power from the power strip 28 to the carrier car 32 to the irrigation car 46 where it is connected to the printed circuit boards 118 upon which may be mounted transformers or converters for obtaining DC voltages is accomplished, in a conventional manner, and thus, the voltages for providing the CPU are obtained.
- various reflectors 72 having different coded information thereon such as job number, motor speed, (vary the amount of water to be dispensed); e.g. forward and rear booms 58 being activated separately or together to control the amount of water to be dispersed on the skids 24 placed therebelow.
- a switch 358 and/or an electrical reflector 72 provides a signal for the CPU 350 indicating that it is time to reverse the direction of drive motor 102.
- the carrier car 46 returns toward its home position (it may be dispensing water or not depending on the optical reflector 72's instructions) the irrigation car 46 reaches its home position and nests upon carrier mechanism 32.
- the CPU will permit the drive motor 102 to continue to operate permitting the carrier mechanism 32 to obtain the needed drive for toroidal drive wheel 96 so that it can move along the carrier rail 36 until it approaches the next car rail 44 signaled by another optical reflector 72, wherein the process is repeated again and again.
- the limiting factor of the present system relates only to the amount of hose that can be carried by the carrier reel housing 154, and in the present design it may carry up to 150 feet.
- the number of aisles or rail 44 which can be used to provide irrigation paths is only limited by the length that the water pipe may be extended and thus, depends upon the availability of water pressure along the extended line.
- a programmable sprinkler system which is reliable, easy to operate, provides a unique function by permitting an infinite number of watering paths to be obtained without having to manually disconnect and connect water outlets and can accommodate any desired number of water outlets as long as sufficient water pressure exists.
- the length of the irrigation paths in the present design is limited to 150 feet, there is no reason why this cannot be extended further distances by providing additional capability on the hose reel assembly or reducing the diameter of the hose.
Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/477,323 USRE33746E (en) | 1986-09-25 | 1990-02-08 | Programmable sprinkler system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/911,376 US4723714A (en) | 1986-09-25 | 1986-09-25 | Programmable sprinkler system |
US07/477,323 USRE33746E (en) | 1986-09-25 | 1990-02-08 | Programmable sprinkler system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/911,376 Reissue US4723714A (en) | 1986-09-25 | 1986-09-25 | Programmable sprinkler system |
Publications (1)
Publication Number | Publication Date |
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USRE33746E true USRE33746E (en) | 1991-11-19 |
Family
ID=27045515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/477,323 Expired - Lifetime USRE33746E (en) | 1986-09-25 | 1990-02-08 | Programmable sprinkler system |
Country Status (1)
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US (1) | USRE33746E (en) |
Cited By (10)
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US5397056A (en) * | 1991-02-06 | 1995-03-14 | Kioritz Corporation | Fully-automatic spraying system employing spray car |
US5810201A (en) * | 1996-07-22 | 1998-09-22 | Ecolab Inc. | Interactive dispenser for personal use chemical or personal care chemical that provides a message prompted by user proximity |
US6390387B1 (en) * | 1998-09-25 | 2002-05-21 | Monsanto Company | Shielded plot sprayer |
US7104220B1 (en) * | 2004-06-04 | 2006-09-12 | Jerome Mack | Overhead livestock enclosure washing system |
US20070272785A1 (en) * | 2006-05-22 | 2007-11-29 | Bill Joe Davis | Winding device for lay flat style hose |
US20100262305A1 (en) * | 2007-11-14 | 2010-10-14 | Iwt Innovative Water Technologies Gmbh | Computerized method for making changes to an irrigation system and apparatus for implementing such method |
WO2014159119A1 (en) * | 2013-03-14 | 2014-10-02 | Agco Corporation | Infinitely variable planting or spraying device |
US10182531B2 (en) * | 2012-09-21 | 2019-01-22 | Kyongsangbuk-Do Agricultural Technology Administration | Continuous cultivation system for organic ginseng using multilevel cultivation tables |
AT520834A4 (en) * | 2018-02-15 | 2019-08-15 | Phytoniq Gmbh | Device for humidifying and / or fertilizing plants |
US11090671B2 (en) | 2019-07-22 | 2021-08-17 | Nelson Irrigation Corporation | Automatic reversible arc sprinkler |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5397056A (en) * | 1991-02-06 | 1995-03-14 | Kioritz Corporation | Fully-automatic spraying system employing spray car |
US5810201A (en) * | 1996-07-22 | 1998-09-22 | Ecolab Inc. | Interactive dispenser for personal use chemical or personal care chemical that provides a message prompted by user proximity |
US6390387B1 (en) * | 1998-09-25 | 2002-05-21 | Monsanto Company | Shielded plot sprayer |
US6698668B2 (en) | 1998-09-25 | 2004-03-02 | Monsanto Company | Shielded plot sprayer |
US7104220B1 (en) * | 2004-06-04 | 2006-09-12 | Jerome Mack | Overhead livestock enclosure washing system |
US20070272785A1 (en) * | 2006-05-22 | 2007-11-29 | Bill Joe Davis | Winding device for lay flat style hose |
US20100262305A1 (en) * | 2007-11-14 | 2010-10-14 | Iwt Innovative Water Technologies Gmbh | Computerized method for making changes to an irrigation system and apparatus for implementing such method |
US8301308B2 (en) * | 2007-11-14 | 2012-10-30 | Iwt Innovative Water Technologies | Computerized method for making changes to an irrigation system and apparatus for implementing such method |
US10182531B2 (en) * | 2012-09-21 | 2019-01-22 | Kyongsangbuk-Do Agricultural Technology Administration | Continuous cultivation system for organic ginseng using multilevel cultivation tables |
WO2014159119A1 (en) * | 2013-03-14 | 2014-10-02 | Agco Corporation | Infinitely variable planting or spraying device |
AT520834A4 (en) * | 2018-02-15 | 2019-08-15 | Phytoniq Gmbh | Device for humidifying and / or fertilizing plants |
AT520834B1 (en) * | 2018-02-15 | 2019-08-15 | Phytoniq Gmbh | Device for humidifying and / or fertilizing plants |
US11457574B2 (en) | 2018-02-15 | 2022-10-04 | Phytoniq Gmbh | Device for moistening and/or fertilizing plants |
US11090671B2 (en) | 2019-07-22 | 2021-08-17 | Nelson Irrigation Corporation | Automatic reversible arc sprinkler |
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