EP3764781A1 - Dispositif de pulvérisation agricole - Google Patents

Dispositif de pulvérisation agricole

Info

Publication number
EP3764781A1
EP3764781A1 EP19702024.1A EP19702024A EP3764781A1 EP 3764781 A1 EP3764781 A1 EP 3764781A1 EP 19702024 A EP19702024 A EP 19702024A EP 3764781 A1 EP3764781 A1 EP 3764781A1
Authority
EP
European Patent Office
Prior art keywords
liquid
carrier liquid
valve
treatment liquid
line
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.)
Withdrawn
Application number
EP19702024.1A
Other languages
German (de)
English (en)
Inventor
Oliver Meil
Olaf Ohlhafer
Steffen SIES
Hans-Arndt Freudigmann
Dieter Amesoeder
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3764781A1 publication Critical patent/EP3764781A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089—Regulating or controlling systems
    • A01M7/0092—Adding active material

Definitions

  • the invention relates to an agricultural spraying device for dispensing a treatment liquid to be delivered to an agricultural surface by means of a dispensing unit, with a first metering valve and a second
  • the present invention also relates to a
  • WO 2014/0896 A1 discloses a system for producing and dispensing a mixed liquid.
  • a plurality of valves is provided to prevent unwanted backflow of liquids in the system.
  • the present invention is an agricultural
  • Spraying device for dispensing a treatment liquid to be dispensed onto an agricultural surface by means of a dispensing unit according to independent claim 1.
  • the subject matter of the present invention is furthermore a computer program which is set up to carry out all the steps of a previously described method as well as a machine-readable storage medium with a computer program stored thereon.
  • the present invention is finally an agricultural spray system according to claim 9 with the agricultural
  • Spraying device and the control device are spraying device and the control device.
  • the spray device may be part of an agricultural
  • Spray system such as an agricultural sprayer or a crop protection device or be designed as an agricultural sprayer or a crop protection device.
  • the spraying device can be arranged and / or arranged on or on a mobile unit.
  • the mobile unit may be designed as a land vehicle and / or aircraft and / or trailers.
  • the mobile unit may in particular be an agricultural working machine, for example a tractor
  • Tractor a tractor or a (self-propelled or autonomous) sprayer, be.
  • the spray device may also be mounted on a hydraulic device of the agricultural machine. It is also conceivable that the spraying device is constructed on a loading surface of the agricultural machine. Alternatively, the
  • Sprayer be attached to the agricultural machine.
  • the agricultural spray device is designed to treat an agricultural area with the treatment liquid, in particular with a spray mixture.
  • the spray device comprising the valves and the dispensing unit, is arranged on a partial width of a spray boom of a field sprayer. Particularly preferred are at the partial width of the spray boom of the sprayer at least two, in particular a plurality, the
  • each agricultural spraying device preferably has a dispensing unit designed as a single spray nozzle.
  • An agricultural area can be understood as an agricultural area, a cultivated area for plants or even a plot of such an area or cultivated area.
  • Agricultural area can thus be a field, arable land, a grassland or a pasture.
  • the plants can, for example, crops whose fruit
  • the plants can be part of the agricultural area.
  • Agricultural area or on a plant on the agricultural area may be part of a treatment of the agricultural area. It is also conceivable that the dispensing of the treatment liquid comprises treating the agricultural surface with the liquid for mechanical processing or damage, for example, of weeds on the agricultural surface.
  • Treatment liquid or a carrier liquid to be understood.
  • a treatment liquid can be understood as an agriculturally usable liquid.
  • the treatment liquid is preferably a spray mixture.
  • a liquid can also be understood as meaning a suspension or an emulsion or a mixture of a suspension and an emulsion.
  • the treatment liquid has at least one active agent.
  • the active agent may be a spray, that is a preparation or
  • Plant protection products in particular a pesticide concentrate have.
  • the active agent may accordingly comprise, for example, a herbicide, fungicide or an insecticide (pesticide).
  • the active agent may also comprise a fertilizer, in particular a fertilizer concentrate.
  • the active agent may accordingly have a liquid fertilizer and / or a growth regulator.
  • the active agent can be formed as a liquid or as a solid, for example in the form of granules, or as a pre-dissolved solid, for example in the form of pre-dissolved granules.
  • the treatment liquid preferably further comprises a carrier liquid for diluting the active agent.
  • a carrier liquid can be understood as meaning a liquid which is designed to be mixed with the active agent in order to bring it out
  • the carrier liquid is preferably water.
  • the treatment liquid is preferably formed as a plant protection agent diluted with a carrier liquid or fertilizer diluted with a carrier liquid.
  • the treatment liquid is particularly preferably in the form of a mixture of at least two plant protection agents diluted with a carrier liquid or two fertilizers diluted with a carrier liquid. Further preferably, the treatment liquid is diluted as a mixture of three with a carrier liquid
  • the spraying device has a dispensing unit, in particular a
  • Spray nozzle unit for dispensing or applying the treatment liquid. It is conceivable that the spray device at least one
  • Carrier liquid tank and at least two treatment liquid tanks comprises.
  • the carrier liquid can be separated from the carrier liquid tank by means of a
  • the treatment liquid can from the respective treatment liquid tank by means of a supply line and the
  • Liquid line to be guided or directed to the dispensing unit Under a carrier liquid supply or a supply line or a liquid line can be understood in the context of the present invention, a portion of the corresponding carrier liquid supply or supply line or liquid line.
  • the carrier liquid supply line, the supply line and the liquid line may be formed as a fluidic connection line, for example in the form of a tube, tube, channel or a tube.
  • the spray device on two metering valves.
  • each metering valve is assigned a treatment liquid tank. It is conceivable that each metering valve is assigned a carrier liquid tank. Alternatively, all metering valves can be assigned the same carrier liquid tank.
  • each metering valve is a carrier liquid supply line, a supply line and a
  • liquid lines have a common line section, which opens into the dispensing unit. It is conceivable that the Sinamkeitszutechnisch a common
  • Feed line section by means of which a common carrier fluid to the metering valves from a common carrier liquid tank the metering valves is feasible.
  • Each of the metering valves is by means of the respective metering valve associated Shin crampkeitszutechnisch with the respective metering valve associated carrier liquid tank and by means of the respective metering valve associated with the feed line associated with the respective metering valve
  • Treatment liquid tank connectable.
  • Each of the metering valves is preferably connected to the carrier liquid tank assigned to the respective metering valve by means of the carrier fluid supply line assigned to the respective valve and to the treatment liquid tank assigned to the respective metering valve by means of the feed line assigned to the respective metering valve.
  • Each of the metering valves is formed, the carrier liquid from the respective metering valve associated carrier liquid tank and the treatment liquid from the respective metering valve associated treatment liquid tank in the respective metering valve and with the dispensing unit fluidly
  • each of the metering valves is designed to control or regulate metering of the carrier liquid from the carrier liquid tank assigned to the respective metering valve and the treatment liquid from the treatment liquid tank assigned to the respective metering valve into the liquid line associated with the respective metering valve.
  • the metering thus comprises the targeted or defined feeding of the liquid to be metered to a line or unit arranged downstream of the valve.
  • the dosing also includes the interruption of a feeding or
  • the liquid metering valve is thus designed to interrupt a passage of the liquid.
  • the metering valves are arranged in the respective metering valve associated liquid line or integrated into the respective metering valve associated liquid line. In other words, in other words, the metering valves are at least partially disposed in the liquid line associated with the respective metering valve.
  • the control device is designed to receive a specification of a mixing combination of the treatment liquid to be dispensed, for example by means of an operator interface, a wireless communication or a readout from a memory unit.
  • the mixing combination of the treatment liquid to be dispensed may be a relative mixing combination of the treatment liquid-producing liquids.
  • the mixing combination may be "0 units of the first treatment liquid and 1 unit of the second treatment liquid and 1 unit unit of the carrier liquid" or "0 units of the treating liquids and 3 units of the carrier liquid". It is also conceivable that the
  • a volume flow or an amount of the treatment liquid to be dispensed per unit area of the agricultural surface can be predefinable or predetermined relative to the relative mixing combination.
  • the mixing combination can be entered by an operator of the spray device by means of the input unit into the control device, for example by means of the user interface, which can be designed, for example, as a touch-sensitive screen.
  • the mixing combination can be predetermined by means of the wireless communication connection such as, for example, mobile radio or a near field communication method.
  • the mixing combination is stored on a storage unit associated with the control device.
  • control device is designed to control the valves and the dispensing unit. It is conceivable that the control device is formed, a Control signal, in particular an electrical, mechanical or pneumatic control signal to deliver control of a valve or the dispensing unit.
  • Dispense mixing combination with constant volume flow This allows an agricultural area spatially selective with different
  • Treatment liquids are treated and at the same time an amount of expense per unit area on the agricultural area discharged
  • Treatment liquid can be kept constant.
  • Carrier liquid tank can be connected and the first carrier liquid supply line and the second carrier liquid supply line a common
  • the carrier liquid supply section is thus part of the first carrier liquid supply line and the second
  • the spray device is designed to guide the common carrier liquid to each of the metering valves with the same carrier liquid pressure.
  • Carrier liquid supply lines and metering valves is thus easily feasible the same volume flow of the carrier liquid to each of the metering valves.
  • the agricultural spray device has an additional valve
  • the additional valve is a metering valve. That in the common
  • Carrier liquid supply section arranged additional valve preferably has a first valve position, in particular a closed position to a
  • Carrier liquid tank in the common carrier liquid supply section to interrupt the metering valves.
  • the additional valve disposed in the common carrier liquid supply section has a second valve position, in particular a passage position, in order to pass the common carrier liquid from the common carrier liquid tank into the common carrier liquid feed section to the metering valves.
  • the additional valve arranged in the common line section of the liquid lines preferably has a first valve position, in particular a closed position, in order to allow a passage to be dispensed
  • the additional valve arranged in the common line section of the liquid lines has a second valve position, in particular one
  • the additional valve can be a steadily adjustable valve.
  • the additional valve is designed as a 2- / 2-way valve.
  • the spray device can be realized or constructed by means of particularly simple metering valves.
  • the first valve position of the metering valve is preferably a closed position for the passage of the treatment liquid and a passage position for the Passages of the carrier liquid.
  • the second valve position of the metering valve is preferably a passage position for the passage of the
  • Treatment liquid and a closed position for the passage of the carrier liquid Treatment liquid and a closed position for the passage of the carrier liquid. That is, in other words, preferably, the metering valve is formed in the first valve position, the passage of
  • the metering valve in the second valve position is preferably designed to pass the treatment liquid from the treatment liquid tank into the liquid line or to the liquid line and to interrupt the passage of carrier liquid from the carrier liquid tank into the liquid line.
  • the spray device is designed to interrupt passage of the carrier liquid or of the treatment liquid through a change in the valve position of a metering valve between the first and the second valve position adapted to the agricultural surface.
  • At least one of the metering valves has a further valve position, by means of which a passage of the respective treatment liquid from the respective treatment liquid tank into the respective liquid line and the dosing of the respective carrier liquid from the respective carrier liquid tank in the respective liquid line are simultaneously interrupted.
  • the spray device is designed to allow a passage of liquid through the respective metering valve to the
  • Disconnect unit completely. In particular, thereby the delivery of the liquid to be dispensed is completely interruptible.
  • valve position by means of which a volume flow of the respective metered into the respective liquid line liquid for the metering valves is the same size.
  • the valve position of the metering valves by means of which the volume flow of the respective metered into the liquid line treatment liquid or carrier liquid for each metering valve is the same size, is preferably one
  • the volume flow of the metered into the liquid line treatment liquids or carrier liquids for each metering valve is the same size.
  • the volume flow of the respective metered from the respective metering valve of the treatment liquid to be dispensed or supplied treatment liquid or carrier liquid is the same size.
  • the agricultural spray device is adapted to interrupt a dosing or supplying a first liquid to the dispensed treatment liquid by means of a first metering valve and at the same time to activate a dosing or supplying a second liquid to the dispensed treatment liquid by means of a second metering valve, wherein the volume flow generated the liquid to be dispensed remains constant.
  • At least one of the metering valves and / or the additional valve as a steadily adjustable valve and / or
  • At least one of the metering valves as a 3/2-way valve or as a 3/3-way valve
  • the additional valve is designed as a 2/2-way valve.
  • the constantly adjustable can be a continuously adjustable or continuously controllable valve or a continuous valve.
  • the continuously adjustable valve is designed to allow a steady transition of valve positions.
  • the continuously variable valve may be a proportional valve.
  • the 2/2-way valve has two connections for fluid lines or supply lines and two valve positions.
  • the 3/2-way valve or the 3/3-way valve has three connections for fluid lines or supply lines and two or three valve positions.
  • the 3/2-way valve or 3/3-way valve has two connections for two fluidic supply lines and a connection for a fluidic line or discharge or routing.
  • the 3/2-way valve or the 3/3-way valve is formed, two upstream of the 3/2-way valve or 3/3-way valve arranged supply lines arranged with a downstream of the 3/2-way valve and the 3/3-way valve To connect line or derivative or routing.
  • the 3/2-way valve on two valve positions by means of each valve position exactly one liquid is passed into the liquid line.
  • the volume flow through the metering valve is constant regardless of the valve position of the valve.
  • the agricultural spraying device has a further metering valve, which by means of another
  • the further metering valve can be designed as a steadily adjustable valve.
  • the further metering valve is designed as a 3/2-way valve or 3/3-way valve. More preferably, the further metering valve is fluidically parallel, that is, neither upstream nor downstream of the first and second metering valves, and disposed upstream of the dispensing unit. This allows the dispensable
  • Treatment liquid variable in time and flexible adapted to be treated agricultural area from the up to three
  • Treatment liquids and the carrier liquid can be generated.
  • the agricultural spray device is formed by means of an agricultural associated
  • Control device to be controlled in a total closed position.
  • the control device is set up to control the first and the second metering valve in each case in a closed position, in order to pass through or supply the
  • a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory and for carrying out, implementing and / or controlling the steps of the method according to one of the embodiments described above is used, especially when the program product or program is executed on a computer or a device.
  • Figure 1 is a schematic representation of an embodiment of an agricultural spray system with the spray device.
  • Fig. 2-3 are each a schematic representation of an agricultural item
  • FIG. 1 an agricultural spray system is shown in its
  • the agricultural spray system 10 includes a tractor 12 and a mounted sprayer 14 on the tractor 12.
  • the mounted sprayer 14 has a spray boom 16, a control device 18 and a tank unit 20 with a plurality of liquid tanks.
  • the liquid tanks each contain a liquid.
  • the spray boom 16 is divided into several sections 22. Each of the
  • Partial sections 22 has a plurality of dispensing units 24 designed as spray nozzles 24. On each section 22 are several agricultural assets.
  • each spray nozzle 24 is assigned part exactly to an agricultural spray device.
  • Spraying device comprises the respective spray nozzle and the spray nozzle 24 associated valves and liquid lines.
  • the spray nozzles 24 are connected to the tank unit 20 via hose connections (not shown). Thus, the spray nozzles 24 are formed to spray the liquid 26 to be dispensed from the tank unit 20 onto an agricultural surface 28.
  • Each of the spray nozzles 24 has a plurality of valves associated with the spray nozzle 24.
  • the valves are arranged upstream of the associated spray nozzle 24 at the corresponding part width 22 and by means of one each
  • Hose connection with a liquid tank of the tank unit 20 is connected.
  • the control device 18 is electronically connected to each of the spray nozzles 24 such that the valves can be actuated automatically via the control device 18.
  • the valves are controlled such that the
  • Liquids from the liquid tanks of the tank unit 20 are metered into a liquid line opening in the spray nozzle 24.
  • Fig. 2 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 13.
  • the spray device 13 has a water tank 30 and three
  • the water tank 30 contains water.
  • the treatment liquid tanks 40, 42, 44 each contain a plant protection agent prediluted to a defined concentration.
  • the spray device 13 comprises a water valve 50 and three
  • the water valve 50 is formed as a 2/2-way valve 50.
  • the metering valves 54, 56, 58 are arranged in the respective liquid line 64, 66, 68.
  • the metering valves 54, 56, 58 are also designed as 2/2-way valves 54, 56, 58.
  • the liquid lines 60, 64, 66, 68 are as
  • Hose connection 60, 64, 66, 68 are formed and have a common line section 69, which opens into the spray nozzle 24.
  • the water tank 30 is connected by means of a supply line 70 to the water valve 50.
  • the treatment liquid tanks 40, 42, 44 are connected by means of supply lines 80, 82, 84 with the respective metering valve 54, 56, 58.
  • the supply lines 70, 80, 82, 84 are formed as hose connections 70, 80, 82, 84.
  • the water valve 50 and the metering valves 54, 56, 58 are electronically controllable by means of a control device 13 associated with the spray device.
  • the water valve 50 is designed to meter water from the water tanks 30 into the liquid line 60.
  • the metering valves 54, 56, 58 are designed to meter the respective treatment liquid from the treatment liquid tank 40, 42, 44 connected to the respective metering valve 54, 56, 58 into the respective liquid line 64, 66, 68.
  • FIG. 3 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 13 '.
  • the spray device 13 'differs from the spray device 13 by an additional water valve 52 and an additional liquid line 62.
  • the water tank 32 contains water.
  • the water valve 52 is designed as a 2/2-way valve 52.
  • the liquid line 62 is formed as a hose connection 62 and has a common line section 69 with the hose connections 60, 64, 66, 68, which opens into the spray nozzle 24.
  • the water tank 30 is connected by means of an additional supply line 72 with the
  • the supply line 72 is designed as a hose connection 72.
  • the water valve 52 is electronically controllable by means of the control device 13 'associated control device. As a result, the water valve 52 is designed to meter water from the water tank 30 into the liquid line 62.
  • the spray device 13 ' is designed to deliver the liquid 26 to be dispensed at a constant volume flow when the liquids in the lines 70, 72, 80, 82, 84 are subjected to a constant liquid pressure and controlling a first valve 50, 52, 54, 56 , 58 is compensated from a passage position to a closed position by controlling a second valve 50, 52, 54, 56, 58 from a closed position to an open position.
  • Fig. 4 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 11.
  • the agricultural spraying device 11 is part of the mounted sprayer 14 or of the agricultural spraying system 10.
  • the spray device 11 has a water tank 30 and three
  • the water tank 30 contains water.
  • the treatment liquid tanks 40, 42, 44 each contain a plant protection agent prediluted to a defined concentration.
  • the injection device 11 comprises three metering valves 54, 56, 58, three fluid lines 60, 62, 64, as well as the spray nozzle 24.
  • the metering valves 54, 56, 58 are arranged in the respective fluid line 62, 62, 64.
  • the metering valves 54, 56, 58 are designed as 3/3-way valves 54, 56, 58.
  • the liquid lines 60, 62, 64 are formed as a hose connection 60, 62, 64 and have a common line section 69, which opens into the spray nozzle 24.
  • the water tank 30 is by means of a respective supply line 70, 72, 74 with the
  • the treatment liquid tanks 40, 42, 44 are connected by means of supply lines 80, 82, 84 with the respective metering valve 54, 56, 58.
  • the leads 70, 72, 74, 80, 82, 84 are as
  • Hose connections 70, 72, 74, 80, 82, 84 formed.
  • the metering valves 54, 56, 58 are by means of the spray device 11th
  • control device 18 is designed to control the valves 54, 56, 58 based on a specification of a mixing combination of the treatment liquid 26 to be dispensed by the control device 18.
  • the spray device 11 is designed to deliver the liquid to be dispensed 26 at least for the following combinations of valve positions with a constant volume flow.
  • the metering valves 54, 56, 58 each assume a first passage position in order to supply the treatment liquids
  • two of the metering valves 54, 56, 58 occupy a first pass position to pass the treatment liquids to the respective liquid lines and to interrupt the passage of water from the water tank 30 to the respective liquid lines, and one of the metering valves 54, 56, 58 assumes a second passage position to interrupt passage of the respective treatment liquid and water from the water tank to the respective liquid line
  • one of the metering valves 54, 56, 58 occupies a first passage position to pass the respective treatment liquid to the respective liquid line and to interrupt the passage of water, and two of the metering valves 54, 56, 58 take a second one
  • the spray device 11 is designed to be controlled by the control device 18 in a preferred overall closing position.
  • the control device 18 is set up, the metering valves 54, 56, 58 in each one
  • Fig. 5 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 1.
  • the spray device 1 differs from the spray device 11 in that the supply lines 70, 72, 74 of the water tank 30 have a common Zu effetsabschnit 76 and an additional valve 59 is disposed in the common Zu effetsabschnit 76.
  • the additional valve 59 is designed as a 2/2-way valve 59.
  • the spray device 1 differs from the spray device 11 in that the metering valves 54 ', 56', 58 'are designed as 2/2-way valves 54', 56 ', 58'.
  • the additional valve 59 is electronically controlled by means of the spray device 1 associated control device 18 of the spray system 10.
  • the additional valve 59 is configured to control a supply of water from the water tank 30 in the common Zu effetsabschnit 76 to the metering valves 54 ', 56', 58 '.
  • the control device 18 is designed to control the additional valve 59 based on a received from the control device 18 specification of a mixing combination of the dispensed treatment liquid 26.
  • the spray device 1 is designed to deliver the liquid to be dispensed 26 at least for the following combinations of valve positions with a constant volume flow.
  • two of the metering valves 54 ', 56', 58 ' occupy a first passage position to pass the treatment liquids to the respective liquid lines and to interrupt the passage of water, and one of the metering valves 54', 56 ', 58' decreases a second
  • one of the metering valves 54 ', 56', 58 ' occupies a first passage position to pass the respective treatment liquid to the respective liquid line and to interrupt the passage of water, and two of the metering valves 54', 56 ', 58' take a second passage position to the passage of the respective
  • the additional valve 59 assumes a passage position to pass water from the water tank 30 by means of the water supply lines 70, 72, 74 to the metering valves 54 ', 56', 58 '.
  • the spray device 1 is designed to be controlled by means of the control device 18 in a preferred overall closing position.
  • the control device 18 is arranged to control the additional valve 49 in a closed position to interrupt the passage of water from the water tank 30 to the metering valves 54 ', 56', 58 ', and the metering valves 54', 56 ', 58' in each to control a closed position to allow passage of the
  • Fig. 6 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 11 ".
  • the spraying device 11 "differs from the spraying device 11 in that an additional valve 59 'is arranged in the common line section 69.
  • the additional valve 59 ' is designed as a 2/2-way valve 59'.
  • the spraying device 11 "differs from the spraying device 11 in that the metering valves 54", 56 “, 58” are designed as 3/2-way valves 54 ", 56", 58 ".
  • the additional valve 59 ' is electronically controllable by means of the spray device 11 "associated control device 18 of the spray system 10. As a result, the additional valve 59 'is designed to guide the dispensed
  • Control device 18 is designed to control the additional valve 59 'based on a received from the controller 18 specification of a mixing combination of the dispensed treatment liquid 26.
  • the spray device 11 is designed to deliver the liquid to be dispensed 26 at least for the following combinations of valve positions with a constant volume flow.
  • the additional valve 59 assumes a passage position for all the combinations listed below in order to allow the treatment liquid 26 to be dispensed to pass to the dispensing unit 24.
  • one of the metering valves 54 ", 56", 58 "occupies a first passage position to pass the respective treatment liquid to the respective fluid line and to interrupt the passage of water, and two of the metering valves 54", 56 “, 58”. assume a second passage position to interrupt passage of the respective treatment liquid and water from the water tank 30 to the respective one
  • the spray device 11 is designed to be controlled by means of the control device 18 in a preferred overall closing position.
  • the control device 18 is adapted to control the additional valve 59 'in a closed position to interrupt the passage of the treatment liquid to be dispensed spray nozzle 24, and the metering valves 54 ", 56", 58 “in each case to control a closed position to a Passages of the treatment liquids from the treatment liquid tanks 40, 42, 44 to the liquid lines 60, 62, 64 to interrupt.
  • an exemplary embodiment comprises a "and / or" link between a first feature and a second feature, then this is to be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment either only first feature or only the second feature.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un dispositif de pulvérisation agricole (11'') destiné à la distribution d'un liquide de traitement (26) à distribuer sur une surface agricole au moyen d'une unité de distribution (24), pourvu - d'une première soupape de dosage (54) qui peut être reliée à un premier réservoir de liquide porteur (30) au moyen d'une première conduite d'alimentation de liquide porteur (70) et à un premier réservoir de liquide de traitement (40) au moyen d'une première conduite d'alimentation (80) et qui est conçu pour doser un premier liquide porteur provenant du premier réservoir de liquide porteur (30) et un premier liquide de traitement provenant du premier réservoir de liquide de traitement (40) dans une première conduite de liquide (60) reliée de manière fluidique à l'unité de distribution (24), - d'une deuxième soupape de dosage (56), qui peut être reliée à un deuxième réservoir de liquide porteur (30) au moyen d'une deuxième conduite d'alimentation de liquide porteur (72) et à un deuxième réservoir de liquide de traitement (42) au moyen d'une deuxième conduite d'alimentation (82) et qui est conçu pour doser un second liquide porteur provenant du second réservoir de liquide porteur (30) et un second liquide de traitement provenant du second réservoir de liquide de traitement (42) dans une seconde conduite de liquide (62) reliée de manière fluidique à l'unité de distribution (24), et - les conduites de liquide (60, 62) comportent une section de conduite commune (69) débouchant dans l'unité de distribution (24).
EP19702024.1A 2018-03-13 2019-01-17 Dispositif de pulvérisation agricole Withdrawn EP3764781A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203789.2A DE102018203789A1 (de) 2018-03-13 2018-03-13 Landwirtschaftliche Spritzvorrichtung
PCT/EP2019/051175 WO2019174798A1 (fr) 2018-03-13 2019-01-17 Dispositif de pulvérisation agricole

Publications (1)

Publication Number Publication Date
EP3764781A1 true EP3764781A1 (fr) 2021-01-20

Family

ID=65237000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19702024.1A Withdrawn EP3764781A1 (fr) 2018-03-13 2019-01-17 Dispositif de pulvérisation agricole

Country Status (4)

Country Link
EP (1) EP3764781A1 (fr)
BR (1) BR112020018400A2 (fr)
DE (1) DE102018203789A1 (fr)
WO (1) WO2019174798A1 (fr)

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Publication number Priority date Publication date Assignee Title
BR112023003308A2 (pt) 2020-08-31 2023-03-21 Basf Agro Trademarks Gmbh Dispositivo de pulverização, método para monitorar a aplicação de pulverização de um dispositivo de pulverização, programa de computador, dispositivo de controle e maquinaria agrícola

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WO2019174798A1 (fr) 2019-09-19
BR112020018400A2 (pt) 2020-12-22

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