EP3706563A1 - Procédé pour surveiller et/ou modifier une concentration en agent actif d'un liquide de pulvérisation d'un dispositif de pulvérisation - Google Patents

Procédé pour surveiller et/ou modifier une concentration en agent actif d'un liquide de pulvérisation d'un dispositif de pulvérisation

Info

Publication number
EP3706563A1
EP3706563A1 EP18793200.9A EP18793200A EP3706563A1 EP 3706563 A1 EP3706563 A1 EP 3706563A1 EP 18793200 A EP18793200 A EP 18793200A EP 3706563 A1 EP3706563 A1 EP 3706563A1
Authority
EP
European Patent Office
Prior art keywords
spray liquid
spray
unit
property information
active agent
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Withdrawn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
EP18793200.9A
Other languages
German (de)
English (en)
Inventor
Bernd Stuke
Helmut Schomburg
Olaf Ohlhafer
Steffen SIES
Hans-Arndt Freudigmann
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 EP3706563A1 publication Critical patent/EP3706563A1/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Withdrawn legal-status Critical Current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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/007—Metering or regulating systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B05B7/28—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid
    • B05B7/32—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid the fed liquid or other fluent material being under pressure

Definitions

  • the invention relates to a method for monitoring and / or changing an agent concentration in a spray liquid of a spray device with a plurality of spray nozzle units for discharging the spray liquid, in particular for agricultural purposes.
  • Methods are known for controlling the nozzles, wherein the spray cone of each individual nozzle is optically controlled by the farmer during the application via an LED individual nozzle illumination.
  • DE 102011052030A1 describes a method for automatically monitoring a flow through a nozzle unit by means of a thermal
  • Flow monitoring sensor for checking the functionality of nozzles on field sprayers.
  • DE 10 2009 026 234 A1 discloses a field sprayer with sensors for detecting and adjusting an active ingredient concentration in a spray liquid.
  • the present invention is a method for monitoring and / or changing an agent concentration in a spray liquid of a spray device with a plurality of spray nozzle units for dispensing the spray liquid, in particular for agricultural purposes, with the steps:
  • Sensor unit of the spray device detected in a flow area each one, in particular each of the spray nozzle units
  • Property information of the spray liquid wherein using the property information, an agent concentration in the spray liquid can be determined
  • Spray fluid to monitor and / or change the concentration of active agent in the spray liquid in the spray nozzle units.
  • the subject matter of the present invention is furthermore a control device which is set up to carry out all the steps of a method described above.
  • the subject matter of the present invention is also a spray device with a plurality of spray nozzle units for dispensing a spraying liquid having an active agent, in particular for agricultural purposes, with:
  • a mixing unit for mixing the spraying liquid and / or a conveying unit for setting an agent concentration in the
  • Spray nozzle units wherein using the property information, an agent concentration in the spray liquid can be determined
  • the subject matter of the present invention is 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 the computer program stored thereon.
  • the spray device may be part of an agricultural
  • 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 work machine, for example a
  • Tractor a tractor or a (self-propelled or autonomous)
  • the spray device can also be connected to a hydraulic
  • the spraying device is constructed on a loading surface of the agricultural machine.
  • the spray device may be attached to the agricultural machine.
  • a field may be understood to mean an agricultural area or an area used for agriculture, a cultivated area for plants or even a plot of such area or cultivated area.
  • the field can thus be arable land, a grassland or a pasture.
  • the plants may include, for example, crops whose fruit is used for agriculture (for example as food, feed or as an energy crop) as well as weeds, weeds and grass weeds.
  • the plants can be part of the agricultural area.
  • spray liquid encompasses both the entire spray liquid and only a portion or proportion, in particular a spatially limited portion or proportion of the spray liquid in the spray device be part of spray liquid in a spray nozzle unit.
  • the spray liquid has at least one active agent. However, the spray liquid may also have two or more active agents.
  • the active agent can be any active agent.
  • the active agent may, for example, comprise a herbicide, fungicide or an insecticide (pesticide).
  • Spray liquid can be a spray mixture.
  • 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 used 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
  • the spray liquid preferably further comprises a liquid, in particular a carrier liquid for diluting the active agent.
  • Carrier liquid can be understood in the context of the present invention, a liquid which is adapted to be mixed with the active agent to a dispensing or dispensing of the active agent, eg.
  • a present as a solid or granules active agent is suspended in the carrier liquid. It is also conceivable that a non-soluble in the carrier liquid active agent is emulsified in the carrier liquid.
  • the carrier liquid is preferably water.
  • the spray liquid can thus be formed as: liquid, suspension, emulsion, solution or a combination thereof.
  • the spray liquid is preferably formed as a water-diluted plant protection or water-diluted fertilizer.
  • the spraying device has a spraying liquid tank for receiving the spraying liquid and at least one spraying nozzle unit for discharging the spraying liquid.
  • the spray liquid can be guided or guided by the spray liquid tank by means of a spray liquid line or several spray liquid lines to the spray nozzle unit.
  • a line or spray liquid line can also be understood to mean a section of the corresponding line or the spray liquid line.
  • the line may be formed as a fluidic connection line, for example. In the form of a tube, tube, channel or a tube.
  • Sprayer be filled.
  • the spray liquid can also be mixed only in the spray device.
  • the spraying device in the flow direction of the spraying liquid
  • the spraying device upstream of the spraying liquid tank may have a mixing unit into which the liquid is guided or passed out of a liquid tank of the spraying device and the active agent is conveyed from an active agent tank of the spraying device.
  • a liquid delivery unit may be provided, which is designed to selectively convey or convey the liquid out of the liquid tank via a liquid line to the mixing unit.
  • an active agent delivery unit can be provided, which is designed to selectively direct or meter or guide the active agent from the active agent tank via an active agent line to the mixing unit.
  • the conveyor units can have one or more metering units or metering components.
  • the metering units or metering components may comprise one or more pumps or metering pumps and valves. At least one of the conveyor units may be configured to increase the injection pressure at the spray nozzle unit, i. to generate the pressure with which the spray liquid is discharge
  • a mixing unit can be understood to be a unit which is designed to mix or mix at least the liquid and the active agent with one another to form the spray liquid, preferably as homogeneously as possible.
  • the mixing unit can have a mixing and / or stirring element in order to actively mix the liquid and the active agent.
  • the stirring element can be designed as a stirring blade or propeller.
  • the mixing unit may have a mixing tank with at least one inlet each for the liquid and the active agent. That is, in other words, that the liquid and the active agent can be performed separately, ie by means of separate lines directly into the mixing unit or the mixing tank.
  • a common inlet may be provided on the mixing unit in the form of a T-piece, wherein the active agent is first supplied to the liquid or fed into this and then passed together with the liquid in the mixing unit.
  • the mixing unit or the mixing tank can have at least one outlet for the mixed or mixed spray liquid, for example in a lower area. It is also conceivable that the mixing unit is designed as a static mixing unit or static mixer. The mixing unit can
  • the mixing unit can also be integrated in the spray liquid tank.
  • the spray liquid tank may be formed as a mixing tank of the mixing unit.
  • the mixing and / or stirring element can be arranged on or in the spray liquid tank to mix or mix the spray liquid.
  • the spray liquid tank can also be arranged in the spray liquid line downstream of the mixing unit. That is, in other words, that the spray liquid tank is arranged downstream of the mixing unit in the flow direction of the spray liquid from the mixing unit to the spray nozzle unit.
  • the spray liquid tank can thus be spatially in the
  • the spray liquid tank may be formed as a buffer tank, so that the spray liquid from the mixing unit first feasible or fillable in the buffer tank and from the buffer tank according to need to
  • Spray nozzle unit guidable or conveyed or is conductive.
  • the spraying device can have a spraying liquid conveying unit which is located in the spraying liquid line downstream of the spraying liquid line
  • the spray liquid delivery unit may then be formed, the
  • the spray liquid delivery unit may in particular be designed to generate a constant pressure, i. be formed as a constant pressure system to produce a constant or uniform injection pressure at the spray nozzles or spray nozzle units. Since the defined injection pressure of the
  • Spray liquid delivery unit is generated, the conveyor units upstream of the buffer tank, i. the liquid delivery unit and the
  • Wirkstoff come be very simple, since they only have to take over the task of supplying the liquid or the active agent in the buffer tank.
  • Buffer tank as pressure accumulator eg. with media separation (spray liquid - air) may be formed.
  • the pressure control in the buffer tank can then be done via a pneumatic pressure control valve, so that possible pressure fluctuations in the system can be reduced.
  • the buffer tank may, for example, be formed without pressure by means of a vent hole.
  • the vent hole may have a vent valve.
  • the buffer tank is fluidically connected to the environment or connectable at a defined internal pressure, so that it is formed without pressure.
  • the liquid delivery unit may have a simple flow pump or delivery pump which has a pure on / off functionality. In conjunction with a volume flow meter can then via the flow signal and the previously set
  • Liquid delivery unit have a metering pump with a fixed delivery ratio (without measuring the delivery volume).
  • the liquid delivery unit a simple valve or proportional valve in
  • the liquid delivery unit has a constant pressure source and a metering orifice.
  • Active substance delivery unit can be a simple alternative to the metering pump
  • Feed pump in conjunction with a flow meter (control) have.
  • the active substance delivery unit can additionally have at least one metering orifice in this case.
  • the buffer can be designed very easily and essentially without static requirements, whereby the total cost can be further reduced.
  • the spray nozzle unit is controllable, i. openable and lockable.
  • each of the spray nozzle units in particular in dependence on the
  • Property information in the associated flow area can be controlled separately.
  • the valve can be arranged or integrated in the spray nozzle. However, the valve may also be connected upstream of the spray nozzle, i. (in
  • the spray nozzle unit may also have a plurality of spray nozzles, each with an upstream valve.
  • the spray nozzle unit may also have a plurality of spray nozzles with only one of the spray nozzles upstream valve, so that upon actuation of the valve, the spray liquid is applied by means of all spray nozzles of the spray nozzle unit.
  • the spray nozzle unit may be formed as a partial width of a nozzle system.
  • the spray nozzle unit can also have a final mixing unit, which is designed to mix the spray liquid with the liquid and / or the active agent and / or another active agent - which can be conducted or guided by means of corresponding lines to the final mixing unit. In this case, it is advantageous to provide a combination of the final mixing unit with the mixing unit described above, which in this case would be designed as a premixing unit, in order to obtain a two-stage mixing system.
  • Spray liquid flowable area This is therefore an area which comes in contact or in particular during a dispensing operation of the spray liquid with the spray liquid.
  • the flow area is preferably arranged in at least one component which is selected from the group consisting of: spray nozzle, valve,
  • Spray liquid line of the spray fluid unit The flow area may be a section of an interior or the entire interior of the
  • the flow area is preferably arranged in or directly in front of the spray nozzle (s).
  • the sensor unit can be arranged in the flow area. In this case, the sensor unit may be in direct contact with the spray liquid in order to detect the property information of the spray liquid. However, the sensor unit can also be arranged outside the flow range. In this case, the sensor unit can be designed to contactlessly record the property information of the spray liquid.
  • the sensor unit may be formed in addition to the
  • the sensor unit may have a transmission unit.
  • the transmission unit can be designed, the
  • Property information wirelessly, eg. Via radio, WLAN, Bluetooth, etc., and / or wired to transmit or send.
  • the property signal has a detected property information or a detected advertising / measured value of the property information.
  • one property signal is received in each case one spray nozzle unit or in each case each of the spray nozzle units.
  • Each of the property signals in turn in each case has a property information of the corresponding spray liquid or the corresponding spray liquid fraction from the respective
  • Spray nozzle unit on.
  • Detecting agent concentration in the spray liquid That is, in other words, that from the property information, an agent concentration in the spray liquid (directly or indirectly) can be derived.
  • the property information of the spray liquid and the active agent concentration in the spray liquid are essentially clearly interdependent.
  • the property information of the spray liquid and the active agent concentration in the spray liquid can be linearly dependent on each other. Accordingly, by means of the detected property information or the detected value of the property information, it is possible to deduce the active agent concentration in the spray liquid.
  • the property information may include a physical and / or chemical and / or physical and / or material property of the spray liquid.
  • the detected property information is preferably selected from the group consisting of: electrical property,
  • an agent concentration in the spray liquid can be determined very simply by means of the calculation method known to the person skilled in the art.
  • the detected agent concentration in the spray liquid can be determined very simply by means of the calculation method known to the person skilled in the art.
  • the detected agent concentration in the spray liquid can be determined very simply by means of the calculation method known to the person skilled in the art.
  • Property information an electrical conductivity.
  • the detected characteristic information further comprises a volume flow of
  • Spray liquid so that a lot of the applied spray liquid can be determined.
  • the electrical conductivity of a solution is a universal physical quantity and indicates the ability of a substance to conduct electrical current. This conductivity depends strongly on the amount of dissolved salts, which are either already found in the active ingredients or spraying agents, or could be added to the active ingredients specifically by the manufacturers or the farmers. In addition to the conductivity, other physically measurable substances can be used to determine the concentration of the active ingredient. Thus, with the concentration of the active ingredients in the water due to the proportion of undissolved particles in the solution, the turbidity of the solution (and thus the absorption coefficient for light) or the speed of sound changes
  • the steps of receiving the feature signal and outputting the information signal and / or the control signal may be performed by means of a
  • Control device to be performed.
  • the determination or calculation of the active agent concentration in the spray liquid can also by means of
  • a control device can be understood as meaning an electrical device which processes sensor signals and outputs control signals and / or information / data signals as a function thereof.
  • the control device can at least one arithmetic unit for processing the
  • Arithmetic unit for example, a signal processor, a microcontroller or
  • Storage unit for storing the property signals
  • the storage unit may comprise a cloud server, a flash memory, an EPROM or a magnetic storage unit.
  • the control device can also at least one
  • the communication interface can be designed to read in or output the signals wirelessly, for example via radio, WLAN, Bluetooth etc., and / or by line.
  • the communication interface may be designed in hardware and / or software.
  • the interface can be part of a so-called system ASIC, for example, which comprises a wide variety of functions of the control device.
  • the interface has its own, integrated circuits or at least partially consists of discrete components.
  • the interface can be a software module that is present, for example, on a microcontroller in addition to other software modules.
  • the step of outputting takes place as a function of the property signal or the received property information of the spray liquid and / or of a value determined using the property information
  • Agent concentration in the spray fluid is decided in dependence on the property information or the detected value of the property information and / or the active agent concentration or the determined value of the active agent concentration, whether a signal and / or what kind of signal, possibly also with which Content is output.
  • Agent concentration is provided in order depending on the
  • the term "specifiable” also includes the term "predetermined”.
  • the step of comparing values also includes a comparison of a progression of values. In turn, depending on the comparison, it can then be decided whether a signal is output and, if so, what kind of signal, i. E. with what content. This is preferred
  • Spray liquid has reached the reference value and / or reference value range and / or reference gradient value and / or at a defined deviation thereof.
  • the reference values and / or the reference gradient value may
  • the reference value and / or the reference value range and / or the reference gradient value depends, in particular, on the active agent. For example. could the information signal and / or control signal at a
  • Deviation of 1% from the mean value of the property information values can be done by means of
  • Arithmetic unit of the control device are performed. Changing the active agent concentration includes both a change of the
  • Concentration value as well as a change in the concentration distribution in the spray liquid. This is a defined change of the concentration value or a defined change of the
  • the mixing unit is designed to perform a mixing process in the spray liquid.
  • a mixing process can be understood as meaning a mixing or mixing of the spray liquid into a flow region, in particular the spray agent tank and the lines, in order to achieve a substantially homogeneous distribution of the spray liquid
  • the mixing unit is designed to mix the spraying liquid by means of a circulation line and / or a stirring element arranged in a spraying liquid tank of the spraying device in order to move the spraying liquid around
  • the mixing unit - analogous to a mixing unit - have a motor-driven mixing and / or stirring element to mix the spray liquid in the spray liquid tank.
  • the stirring element can be designed here as a stirring blade or propeller. Alternatively or additionally, the
  • Blending unit may be formed after activation
  • the delivery unit is designed by means of a pump, in particular a feed pump and a metering pump, the active agent concentration in the
  • the delivery unit for increasing or adjusting the active agent concentration comprises in particular the liquid delivery unit with the associated pump, in particular
  • Feed pump as well as the active agent delivery unit with the associated pump, in particular metering pump.
  • the control signal may be configured to activate the mixing unit to start the mixing process.
  • the corresponding control signal can be output if at least the value of a property information and / or the active agent concentration in the spray liquid has a first reference value and / or a first reference value
  • control signal may also be formed, the
  • the corresponding control signal can be output if at least the value of a property information and / or the
  • Agent concentration in the spray liquid a second reference value and / or a second reference value range and / or a second
  • Reference gradient has reached and / or at a defined deviation thereof to the mixing unit and / or the conveyor unit to
  • the information signal can be configured to control the display unit such that a "simple" alarm signal, for example in the form of an optical and / or acoustic and / or haptic signal, is output by the display unit
  • a "simple" alarm signal for example in the form of an optical and / or acoustic and / or haptic signal
  • the information signal can also be the value of the property information and / or the
  • the display unit may in this case be a display, a smartphone or any other terminal, such as a
  • the information signal may, for example, be selected from the list consisting of: SMS, e-mail, push notification, telephone call.
  • Mixing operation in particular only or only or exclusively at and / or after completion of the mixing process, and / or during the mixing process, in particular during the entire duration of the mixing process to the display unit output.
  • the process for monitoring and / or changing the active agent concentration can be started automatically or manually.
  • the method may vary depending on the presence of a spray liquid in the
  • Spray liquid tank can be started.
  • Spray device it is now possible to easily and inexpensively to prevent incorrect application in the sense of excessive or reduced (as the necessary) applied on a field amount of active agent and perform error detection in components of the spray device. This is achieved, in particular, by virtue of the property information actually being applied at the discharge point, ie the injection nozzle units and dependent on the active agent concentration
  • Injection liquid (and possibly the amount of ejected spray liquid) is determined and then depending on an information signal is output to, for example, to inform the farmer, or a control signal is issued to perform a remedial action.
  • This is extremely important since the actual active agent concentration at the discharge point and thus at the individual spray nozzle units can differ from the desired or necessary active agent concentration for many reasons.
  • the initial mixing process of the spray liquid may have been carried out too short or the spray liquid has segregated, so that there is no uniform concentration distribution in the spray liquid tank or the lines.
  • the time course of the spray liquid may have been carried out too short or the spray liquid has segregated, so that there is no uniform concentration distribution in the spray liquid tank or the lines.
  • the mixing unit can be started automatically either by the farmer manually or by means of the control device, so that the spray liquid is pumped through the circulation line or mixed through the agitator.
  • Property information and / or the active agent concentrations in the spray liquid in the spray nozzle units is provided together to output depending on the information signal to the display unit and / or the control signal to the mixing unit and / or the conveyor unit.
  • the information signal is output to the display unit and / or the control signal is output to the mixing unit and / or the conveyor unit if the values of the
  • Spray fluid are the same and / or at a defined deviation of the values of at least two property information and / or agent concentrations in the spray liquid.
  • the control signal can be output at a defined deviation of the values of at least two
  • control signal can also be output if the values of the property information and / or agent concentrations are the same in order to deactivate the mixing unit and / or the conveyor unit.
  • Spray nozzle units are detected, in whose flow area a
  • Agent concentration is present.
  • an inhomogeneity is due to the
  • the active agent is present in an effective concentration to avoid a lower dosage with the risk of resistance formation. If a (re) calibration can not be performed or if it does not lead to any success, the application can / must be aborted. Furthermore, this indicates a defect or defect of the spray nozzle unit or of the corresponding valve, which is why it could be cleaned or replaced, for example.
  • Property information and / or the active agent concentration is determined using the detected by a further sensor unit property information of a carrier liquid of the spray liquid.
  • Property information of the carrier liquid without active agent is detected as "base value" and taken into account in the determination of the above-mentioned values or
  • Property information and / or the active agent concentration is determined using a detected by means of the sensor unit temperature of the spray liquid and / or the carrier liquid.
  • the temperature is detected at the point at which the corresponding property information is also detected. Since the temperature usually has an influence on the property information (conductivity, density, etc.), by taking this factor into account in the acquisition or
  • the method can be performed even more precisely. Furthermore, this can also be a segregation of the spray liquid detected (at the detection point).
  • the pressure can also be measured analogously to the temperature, so that the sensor unit can alternatively or additionally have a pressure sensor for this purpose.
  • Fig. 1 is a schematic representation of an embodiment of the
  • Fig. 2 is a schematic representation of the control device
  • FIG. 3 is a flowchart of a method for monitoring and / or
  • Fig. 1 is a schematic representation of a spraying device is shown, which is provided in its entirety by the reference numeral 10.
  • the spray device 10 has a liquid tank 12 with a liquid 14 and an active agent tank 16 with an active agent 18.
  • the liquid 14 is a carrier liquid 14 or water 14.
  • the spray device 10 also has a static mixing unit 20.
  • the static mixing unit 20 is fluidly connected to the liquid tank 12 via a liquid line 22.
  • In the liquid line 22 is a
  • Liquid delivery unit 24 is arranged to supply the liquid 22 of the static mixing unit 20 and to be able to lead into this.
  • Liquid delivery unit 24 in this case has a feed pump 26 and a flow meter 28.
  • the static mixing unit 20 is further connected via an active agent line 30 with the active agent tank 16.
  • an active agent conveying unit 32 is arranged in order to be able to supply the active agent 18 to the static mixing unit 20 or to be able to conduct it into this.
  • the active agent delivery unit 32 in this case has a metering pump 34.
  • Spray liquid line 38 a spray liquid tank 40 is arranged
  • the spray liquid tank 40 is formed here as a buffer tank 40.
  • Spray liquid tank 40 or buffer tank 40 is arranged and formed such that the spray liquid 36 is filled from the static mixing unit 20 in this, to then from the spray liquid tank 40 to a
  • Nozzle system 42 to be directed with spray nozzle units 44.
  • Each of the spray nozzle units 44 has a spray nozzle 46 for discharging the
  • the spray device 10 For setting the injection pressure at the spray nozzle units 44, the spray device 10 also has a spray liquid feed unit 50 which is designed to supply the spray liquid 36 from the spray liquid tank 40 under pressure or under a defined pressure to the nozzle system 42 or the spray nozzle units 44.
  • the spray liquid delivery unit 50 in this case has a constant pressure source with a pump 52.
  • the spray device 10 further comprises sensor units 54, a mixing unit 56 for mixing the spray liquid 36 and a control device 58 for controlling the mixing unit 56.
  • a sensor unit 54 is arranged in each case in a flow area 60 of one of the spray nozzle units 44 or spray nozzle 46.
  • the sensor units 54 are each formed in the flow area 60 of the corresponding spray nozzle unit
  • the mixing unit 56 has a circulation line 61 to the spray liquid 36 back into the
  • control device 58 is set up to display characteristic signals 62 with one of the sensor units 54
  • Spray nozzle units 44 detected property information 64 of
  • the property information 64 in each case comprise an electrical conductivity and a temperature of
  • the sensor units 54 each have a sensor for detecting the electrical conductivity and a sensor for detecting the temperature and a flow sensor or volume flow meter for detecting the discharged spray liquid quantity.
  • the control device 58 is also set up, an information signal 66 to a display unit 68 and / or a control signal 70 to the mixing unit 56 and / or a control signal 72 to the conveyor unit 24, 32 in dependence on at least one of the property information 64 of the spray liquid 36 and / or output an agent concentration determined in the spray liquid 36 using the property information 64 in order to determine the active agent concentration in the spray fluid 36
  • Monitor and / or change spray liquid 36 Monitor and / or change spray liquid 36.
  • control device 58 is set up, by means of a computing unit 74, the values of the property information 64 and / or the
  • the computing unit 74 is further configured using the
  • Property Information 64 An agent concentration in the spray fluid
  • the control signal 70, 72 is output on the one hand with a defined deviation of the values of at least two characteristic information 64 and / or active agent concentrations.
  • the control signal 70, 72 is configured to activate the mixing unit 54 and / or the delivery unit 24, 32 in order to change or increase the active agent concentration in the spray liquid 36.
  • the control signal 70, 72 is then output to the other
  • control signal 70, 72 is designed to deactivate the mixing unit 54 and / or the conveyor unit 24, 32.
  • the controller 58 further includes a storage unit 76 for storing the property information 64 and the determined values.
  • FIG. 3 shows a flowchart of a method 100 for monitoring and / or changing an agent concentration in a spray liquid 36 of a spray device 10 with a plurality of spray nozzle units 44 for
  • the method 100 comprises a step 102 of receiving a respective property signal 62 with a sensor unit 54 of FIG
  • Spray device 10 in a flow area 60 each one of
  • Spray nozzle units 44 detected property information 64 of
  • the method 100 comprises a step 106 of outputting an information signal 66 to a display unit 68 and / or a control signal 70, 72 to a mixing unit 56 and / or a conveying unit 24, 32 of the spraying apparatus 10 as a function of the received
  • the method 100 further comprises a step 104 of comparing the values of the characteristic information 64 and / or the concentrations of active agent in the spray liquid 36 in the spray nozzle units 44 with each other in FIG.
  • an exemplary embodiment comprises an "and / or" link between a first feature and a second feature, then this is to be read in such a way that the exemplary embodiment according to one embodiment contains both the first feature

Abstract

L'invention concerne un procédé pour surveiller et/ou modifier une concentration en agent actif d'un liquide de pulvérisation d'un dispositif de pulvérisation comprenant une pluralité d'ensembles buses de pulvérisation destinés à épandre un liquide de pulvérisation, en particulier pour des applications agricoles, ce procédé comprenant les étapes consistant à : recevoir un signal de propriété (62) respectif contenant une information de propriété (64) du liquide de pulvérisation détectée au moyen d'une unité de détection (54) du dispositif de pulvérisation dans une zone d'écoulement d'un ensemble buse de pulvérisation correspondant, une concentration en agent actif du liquide de pulvérisation pouvant être déterminée au moyen de l'information de propriété (64) ; et transmettre un signal d'information (66) à une unité d'affichage (68) et/ou un signal de commande (70, 72) à une unité de mélange (56) et/ou à une unité de transport (24, 32) du dispositif de pulvérisation en fonction de l'information de propriété (64) reçue concernant le liquide de pulvérisation et/ou d'une concentration en agent actif du liquide de pulvérisation déterminée au moyen de l'information de propriété (64), afin de surveiller et/ou de modifier la concentration en agent actif du liquide de pulvérisation dans les ensembles buses de pulvérisation.
EP18793200.9A 2017-11-10 2018-10-19 Procédé pour surveiller et/ou modifier une concentration en agent actif d'un liquide de pulvérisation d'un dispositif de pulvérisation Withdrawn EP3706563A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017220006.5A DE102017220006A1 (de) 2017-11-10 2017-11-10 Verfahren zum Überwachen und/oder Ändern einer Wirkmittelkonzentration in einer Spritzflüssigkeit einer Spritzvorrichtung
PCT/EP2018/078757 WO2019091758A1 (fr) 2017-11-10 2018-10-19 Procédé pour surveiller et/ou modifier une concentration en agent actif d'un liquide de pulvérisation d'un dispositif de pulvérisation

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EP3706563A1 true EP3706563A1 (fr) 2020-09-16

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US (1) US20200238322A1 (fr)
EP (1) EP3706563A1 (fr)
BR (1) BR112020008921A2 (fr)
DE (1) DE102017220006A1 (fr)
RU (1) RU2020118302A (fr)
WO (1) WO2019091758A1 (fr)

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US20220061304A1 (en) * 2020-08-31 2022-03-03 Transportation Ip Holdings, Llc Vehicle with spray control system and method
US11596138B2 (en) * 2019-04-30 2023-03-07 Al's Aerial Spraying, Llc Aerial dispersal system
CN112109895B (zh) * 2020-08-11 2022-03-25 宿州市植检植保站 基于温度和压力监测的无人机喷雾控制方法
CN112956322A (zh) * 2021-02-02 2021-06-15 内蒙古自治区农牧业科学院 一种沙化土地油沙豆化肥控释辅助装置
CN113228914B (zh) * 2021-04-27 2022-10-11 峰然(黑龙江)农业集团有限公司 一种基于智慧农业的水肥一体化滴灌系统
DE102021123498A1 (de) * 2021-09-10 2023-03-16 Amazonen-Werke H. Dreyer SE & Co. KG Verfahren zum Betreiben eines ein Direkteinspeisesystem aufweisenden landwirtschaftlichen Spritzgeräts
CN116897672B (zh) * 2023-09-12 2023-12-15 田丰化工(山西)集团股份有限公司 一种新型水溶肥的施用装置

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DK173626B1 (da) * 1999-01-27 2001-05-07 Hardi Int As Landbrugssprøjte med styreindretning
DE102009026234B4 (de) 2009-07-23 2023-07-06 Amazonen-Werke H. Dreyer SE & Co. KG Spritzeinrichtung
DE102011052030A1 (de) 2011-07-21 2013-01-24 Inuma Fahrzeug-Service Und Maschinenbau Gmbh Düseneinheit und Vorrichtung zum Ausströmen einer Flüssigkeit
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DE102016123757A1 (de) * 2016-12-08 2018-06-14 Horsch Leeb Application Systems Gmbh Landwirtschaftliche Feldspritze

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BR112020008921A2 (pt) 2020-10-20
US20200238322A1 (en) 2020-07-30
DE102017220006A1 (de) 2019-05-16
RU2020118302A3 (fr) 2021-12-10
WO2019091758A1 (fr) 2019-05-16
RU2020118302A (ru) 2021-12-10

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