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WO2018107259A1 - Doseur de graines pneumatique et turbine pneumatique - Google Patents

Doseur de graines pneumatique et turbine pneumatique Download PDF

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Publication number
WO2018107259A1
WO2018107259A1 PCT/BR2017/050380 BR2017050380W WO2018107259A1 WO 2018107259 A1 WO2018107259 A1 WO 2018107259A1 BR 2017050380 W BR2017050380 W BR 2017050380W WO 2018107259 A1 WO2018107259 A1 WO 2018107259A1
Authority
WO
WIPO (PCT)
Prior art keywords
pneumatic
turbine
seed
sensor
doser
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.)
Ceased
Application number
PCT/BR2017/050380
Other languages
English (en)
Portuguese (pt)
Inventor
José Roberto do Amaral ASSY
Alexandre Leite Rosa
Daniel Augusto De Souza MELLO MONTEIRO
Rodrigo Tadeu de Oliveira LADEIRA
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2018107259A1 publication Critical patent/WO2018107259A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/04—Single-grain seeders with or without suction devices
    • A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/04—Single-grain seeders with or without suction devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed

Definitions

  • the present invention relates to power supply systems applied to crop sowing implements, also known as planting machines, more specifically the present invention relates to power supply to pneumatic seed feeders.
  • Planters are widespread in today's agribusiness scenario and play key roles in ensuring efficient large-scale production.
  • One of the known types of planters is the pneumatic planter, also known as vacuum planter.
  • Figure 1 illustrates an example of a prior art pneumatic planter coupled to a tractor 14, in which a central pneumatic pump 22 is designed to generate a generally negative pressure difference which is distributed over component pipes. the pneumatic lines 18 until they reach the pneumatic seed feeders 1 in the planting lines 23.
  • Modern planters are generally tractor-driven and feature a mechanical coupling structure to support traction and connection means for transmitting power produced on the tractor to planter devices such as pumps, actuators, dosers and sensors.
  • Some of the devices such as pumps, actuators and dosers may use, alternatively, the mechanical energy transmitted by hydraulic, pneumatic or axle lines.
  • some devices, such as sensors are powered only by electric power and therefore use power cables 19 extending from the tractor 14 to each of the planting lines 23.
  • planters have a chassis comprising a tractor coupling structure and a header supporting planting lines, each with a respective seed storage tank or central storage tank. seeds shared between all rows.
  • a chassis comprising a tractor coupling structure and a header supporting planting lines, each with a respective seed storage tank or central storage tank. seeds shared between all rows.
  • Each planter can have dozens of planting lines, which makes the structures reach 27 meters wide.
  • FIG. 2 illustrates a side view of a prior art planting line, in which examples of wiring arrangements and pneumatic lines commonly used in the prior art can be seen.
  • cabling is generally one of the first elements to require maintenance due to wear and tear resulting from common agricultural use, as cabling is exposed to hostile crop conditions such as vibration, weather, mechanical stress, exposure to abrasive and corrosive materials.
  • the state of the art presents other ways of supplying electrical energy to the devices by generating energy in or near the device itself, for example by capturing solar, mechanical energy. and / or pneumatic, among others, and converting it into electrical energy.
  • Refrigeration and / or ventilation systems are known in which the circulation of fluids is generally oversized, ie the mechanical energy given by the displacement of the refrigerant ends up not being fully utilized in the system and is lost.
  • US 2015/0239571 deals with an emergency aircraft power supply system designed to generate power for the aircraft during flight, which system utilizes a turbine air intake duct. In this case, the kinetic energy is harnessed from the air that passes through the airplane during the flight and is used to obtain electricity in emergency cases of electrical failure.
  • US 2008/0178586 discloses power generation from an air turbine generator employed in rail brake systems of railcars and locomotives, which features a controller for controlling the volume of air directed to the turbine. according to the energy demand of the rail system.
  • US 6,054,838 discloses a method and system for charging electric energy storage devices applied to automobiles using compressed fluid storage means and an air turbine generator.
  • the pneumatic electricity generation system is used to charge the electrical energy storage device when it reaches predetermined low levels.
  • US Patent 9,146,141 deals with a method and system for monitoring pneumatic systems, as well as a power capture unit configured to capture power from the pneumatic system being monitored and generating power. to power the monitoring device.
  • the present invention has as one of its objectives to provide a no-tillage planter system passing through all the implement to power the peripheral devices. .
  • Another object of the present invention is to provide a planter having energy generating sources disposed on each of the planting lines, particularly nearby or on the feeder.
  • a further object of the present invention is to provide an energy generating system with control in the energy supply.
  • Another object of the present invention is to provide a flow compensated pneumatic turbine system relative to the pneumatic system.
  • the present invention by way of its own characteristics, can further solve other prior art problems not brought here as an example, since the systems applied to planters discussed herein and their problems are exemplary and not exhaustive.
  • a pneumatic seed dispenser comprising a fluid kinetic energy capture means, wherein the kinetic energy capture medium is associated with a chamber with pressure difference to capture mechanical flow energy.
  • the means of capturing kinetic energy is associated with an electric power generator
  • the means of capturing kinetic energy is a turbine
  • the power generator is one of an electromagnetic generator and a piezoelectric transducer
  • the electromagnetic generator is a dynamo
  • the pickup means may be associated with the doser by entering the pneumatic line or disposed within the doser;
  • the catching means is fixed to the doser by mechanical quick coupling
  • the quick coupler is equipped with electrical connections
  • the seed dispenser comprises a sensor fed by the energy generated in the energy capture medium
  • the sensor is arranged on the metering disc surface in position prior to seed release;
  • the sensor is arranged in position after seed release
  • the sensor is one of optical sensor, capacitive sensor, inductive sensor and ultrasonic sensor;
  • the seed dispenser comprises an actuator fed by the energy generated in the energy capture medium.
  • the actuator is one of the organizer calibrator, pressure controller, cleaner, seed input controller and input applicator;
  • the invention further relates to a pneumatic turbine comprising an inlet duct, an outlet duct, a pickup chamber and a kinetic energy pickup associated with an electric power generator, wherein the pneumatic turbine comprises a window. air inlet arranged in the inlet duct and a means of control.
  • control means is an electronic control circuit configured to regulate the output electrical energy
  • control means is an electronic control circuit configured to control turbine rotation by association of electric charge
  • control means is an electronic control circuit configured to control turbine rotation by means of an electromechanical valve system for maintaining turbine airflow;
  • control means is a self-regulating valve
  • the air inlet window is provided with a flow regulating means between a sliding lid and a rotating clamp.
  • Figure 1 illustrates a top view of a tractor coupled to a prior art planter
  • Figure 2 shows a side view of a prior art planting line
  • Figure 3 illustrates a perspective view of an embodiment of the invention
  • Figure 4 shows a top view of a tractor coupled to a planter according to an embodiment of the invention
  • Fig. 5 illustrates an exploded view of an embodiment of the invention
  • Figure 6 illustrates a side view of a first embodiment of the invention
  • Figure 7 shows an exploded view of a second embodiment of the invention
  • Figure 8 illustrates an association scheme of an embodiment of the invention
  • Figure 9 shows an exploded view of a turbine according to an embodiment of the invention.
  • Figure 10 shows a side sectional view of a turbine according to an embodiment of the invention
  • Fig. 11 illustrates a control circuit association scheme according to an embodiment of the invention
  • Figure 12 illustrates a quick coupler according to an embodiment of the invention
  • Figure 13 illustrates a sensor in a first dispenser arrangement as an embodiment of the invention
  • Figure 14 illustrates a sensor in a second dispenser arrangement according to an embodiment of the invention.
  • Fig. 15 illustrates an actuator feeder according to one embodiment of the invention.
  • the object of the present invention is applied to pneumatic planters 21, in particular to supply electric power to pneumatic seed feeders 1 arranged on each of the planting lines 23 of planters 21, the supply being without the use of cabling 19 .
  • the pneumatic seed dispenser 1 of the present invention is provided with a pneumatic line inlet 5 and a seed conductor 15 to guide the dosed seeds within the doser 6 to the ground.
  • Figure 3 illustrates an embodiment of the invention wherein the kinetic energy capture means 2 is coupled externally to the doser 1 by the inlet of the pneumatic line 5.
  • FIG. 4 illustrates an embodiment of the invention in which the planter 21 is coupled to a tractor 14.
  • the structure of the planter 21 comprising a chassis 16, a crossmember 17, also known as a rod, and planting lines 23.
  • a pneumatic pump 22 and pneumatic lines 18 connecting pump 22 to the planting lines 23.
  • the air flow in the air line pipes 18 is controllable and can be adjusted on the central air pump 22 according to the operator's need.
  • the air flow is regulated to supercharge the pneumatic lines 18 so that such supercharging is sufficient for the kinetic energy capturing means 2 to generate the energy required to power the doser devices 1 without affecting the doser performance in the feeder. seed dosage.
  • the electric power generation is done near the devices to be fed without affecting the dosing efficiency of the doser 1 and, thus, providing the energization of devices distant from the tractor 14 without the use of wiring 19.
  • FIG. 5 shows an exploded view of a pneumatic dispenser 1 according to an embodiment of the invention.
  • a vacuum chamber 3 which comprises the inner part of the doser 1, and a dosing disc 20.
  • the kinetic energy capture means 2 is, at one end, associated externally with the metering unit 1 by the inlet of the pneumatic line 5 and, at the opposite end, to the pneumatic pump 22 through the pneumatic lines 18, as shown. illustrated in figure 6.
  • FIG. 7 Another embodiment of the invention is illustrated in Figure 7, in which the kinetic energy capture means 2 is internally associated with the doser 1, more specifically the kinetic energy capture means 2 is disposed in the vacuum chamber 3 over the opening. flow rate 35.
  • Figure 8 shows a scheme of association between the pneumatic doser 1, the energy pickup means 2, the sensors 9, the actuators 10 and the pneumatic pump 22.
  • air enters the doser 1 passes through by means of energy capture 2, where electrical energy is generated and supplied to sensors 9 and actuators 10, and finally air exits through the pneumatic pump 22.
  • the energy generated in the energy pickup means 2 is used to power a seed pass sensor 9 disposed within the dispenser 6 on the dosing disc 20.
  • the energy generated may be used to power one or more actuators 10 within the dispenser 6, which may be, inter alia, an organizer calibrator, a pressure controller, a cleaner, a seed input controller or an input applicator.
  • the kinetic energy capture means 2 is a pneumatic turbine 4.
  • the present invention has particular embodiments related to pneumatic turbine 4, wherein in one embodiment turbine 4 is formed by a housing 32 , a kinetic energy pickup 28 and an electric power generator 13.
  • the pneumatic turbine 4 has an energy pickup 28, in this embodiment represented by a substantially circular bladed rotor 11.
  • the energy pickup 28 is arranged in a collection chamber 25 within the housing 32 and associated with an electric power generator 13.
  • the electric power generator 13 of the present invention provides for the use of electromagnetic generators, piezoelectric transducers or other equivalent devices capable of converting the fluid's kinetic energy into electrical energy.
  • a dynamo is used.
  • turbine housing 32 in which an inlet duct 26, an outlet duct 27 and the kinetic energy pickup chamber 25 are shown.
  • the inlet duct 26 of the present invention has a free end opening and an air inlet window 30 disposed in the duct wall.
  • the window 30 provided with a flow regulating means 29, in the embodiments illustrated in figures 9 and 10, by way of example, the flow regulating means 29 is a sliding lid that moves over the window 30 to decrease the flow until closing full and out to increase flow.
  • An alternative to flow regulating means 29 is a clamp (not shown) surrounding the turbine inlet duct 26 in a rotatable manner, which clamp is provided with an aperture of shape coincident with the shape of the inlet window of air 30.
  • the air inlet window 30 has the function of compensating for the air inlet that should flow from the doser 1 to the pneumatic lines 18, but which ends up not flowing due to clogging, improper adjustments, flow differences that naturally result from according to the shape of seeds from different crops, among others. In this way, the air inlet window 30 ensures sufficient air flow to keep the air turbine 4 in full operation.
  • the pneumatic turbine 4 comprises a control means 33.
  • Figure 11 illustrates a control means association scheme 33, wherein the control means 33 is associated, on the one hand, with generator 13 and, on the other hand, sensors 9 and / or actuators 10.
  • Control means 33 is provided in a preferred mechanical configuration and in three non-limiting electronic configurations of the invention, the configurations may be applied separately or in any combination without impairing system operation.
  • control means 33 is a self-regulating valve 31. In this configuration the control means 33 is impacted by pressure variations in the fluid to adjust the flow rate to a constant value according to predefined specifications.
  • control means 33 is an electronic circuit that operates with a voltage regulator, where it receives the power generated in generator 13, which usually has oscillations, and regulates it to provide stabilized and energy-compliant power. demand of the device to be powered.
  • control means 33 acts as a turbine 4 rotor 11 rotational speed controller.
  • control means 33 is an electronic circuit that detects turbine 4 rotational speed and adds electrical charges to maintain rotation at a predetermined speed.
  • control means 33 also functions as a rotor speed controller of turbine 4 rotor.
  • control means 33 is an electronic circuit that controls the rotation speed of turbine 4 by means of an electromechanical valve system that keeps the flow passing through the duct at a predetermined level and thereby keeps the rotation of turbine 4 constant.
  • Another embodiment of the invention relates to the manner in which the kinetic energy capture means is associated with the pneumatic seed feeder and / or the feeder peripherals by mechanical quick coupling 7.
  • Figure 12 illustrates the quick coupling arrangements 7 according to a preferred embodiment of the invention in which mechanical coupling means with electrical connections are shown 8.
  • the invention further provides for the use of energy generated in the system for the supply of passage and / or inspection sensors 9, particularly for sensors arranged to detect if seed dosing is being effectively conducted.
  • Sensors 9 are preferably, but not limited to, optical sensors, capacitive sensors, inductive sensors or ultrasonic sensors.
  • sensor 9 is disposed on the surface of the dosing disc 20 in a position to detect seeds in the disc holes 20 moments prior to release of these seeds.
  • the senor is arranged under disk 20 so that sensor 9 can detect the passage of the seeds moments after their release from disk 20.
  • the present invention provides for the use of the energy generated in the system of capture and generation of energy for the supply of actuators 10 arranged in the doser. of seeds 1 as well as in the system of capture and generation of energy itself.
  • actuators 10 Some preferred, non-limiting applications for actuators 10 are to, in the case of the dispenser, act as the organizer calibrator, pressure controller, seed input controller, cleaner and feed applicator.
  • Fig. 15 illustrates an exemplary arrangement of an actuator associated with the organizer 34 to act as an organizer calibrator.
  • actuator 10 can act for flow regulation and turbine rotation control 4.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

La présente invention concerne des systèmes de fourniture d'énergie destinés à des engins agricoles pour le semis de cultures, également connus sous le nom de machines de plantation (21). Plus particulièrement, la présente invention concerne la fourniture d'énergie pour doseurs de graines pneumatiques (1). Le doseur de graines pneumatique (1) comprend un moyen capteur d'énergie cinétique (2), ce moyen capteur d'énergie cinétique (2) étant associé à une chambre (3) avec différence de pression.
PCT/BR2017/050380 2016-12-15 2017-12-13 Doseur de graines pneumatique et turbine pneumatique Ceased WO2018107259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102016029478A BR102016029478A2 (pt) 2016-12-15 2016-12-15 dosador de sementes pneumático e turbina pneumática
BRBR1020160294789 2016-12-15

Publications (1)

Publication Number Publication Date
WO2018107259A1 true WO2018107259A1 (fr) 2018-06-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2017/050380 Ceased WO2018107259A1 (fr) 2016-12-15 2017-12-13 Doseur de graines pneumatique et turbine pneumatique

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BR (1) BR102016029478A2 (fr)
WO (1) WO2018107259A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021062508A1 (fr) * 2019-10-01 2021-04-08 Metal Work Pneumática Do Brasil Ltda Turbine actionnée électriquement pour distributeur pneumatique de graines
US11266061B2 (en) 2019-04-23 2022-03-08 Cnh Industrial America Llc Vacuum system
US11277959B2 (en) 2019-04-17 2022-03-22 Cnh Industrial America Llc Vacuum system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102015003633A2 (pt) * 2014-05-22 2015-12-22 Jorge Alberto Gentili dispositivo distribuidor de sementes
BR112013026497A2 (pt) * 2011-04-15 2016-08-09 Agco Corp motor de transmissão para medidor de semente integral
BR112013024381A2 (pt) * 2011-03-25 2016-08-23 Deere & Co unidade de plantio para uma máquina semeadeira
WO2017112989A1 (fr) * 2015-12-30 2017-07-06 Assy José Roberto Do Amaral Doseur de graines pneumatique avec génération propre de différence de pression, et procédé de régulation de la différence de pression dans le doseur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013024381A2 (pt) * 2011-03-25 2016-08-23 Deere & Co unidade de plantio para uma máquina semeadeira
BR112013026497A2 (pt) * 2011-04-15 2016-08-09 Agco Corp motor de transmissão para medidor de semente integral
BR102015003633A2 (pt) * 2014-05-22 2015-12-22 Jorge Alberto Gentili dispositivo distribuidor de sementes
WO2017112989A1 (fr) * 2015-12-30 2017-07-06 Assy José Roberto Do Amaral Doseur de graines pneumatique avec génération propre de différence de pression, et procédé de régulation de la différence de pression dans le doseur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11277959B2 (en) 2019-04-17 2022-03-22 Cnh Industrial America Llc Vacuum system
US11266061B2 (en) 2019-04-23 2022-03-08 Cnh Industrial America Llc Vacuum system
WO2021062508A1 (fr) * 2019-10-01 2021-04-08 Metal Work Pneumática Do Brasil Ltda Turbine actionnée électriquement pour distributeur pneumatique de graines

Also Published As

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