WO2002074061A1 - Dispositif de mesure pour mesurer le debit d'un produit recolte dans une moissonneuse agricole - Google Patents

Dispositif de mesure pour mesurer le debit d'un produit recolte dans une moissonneuse agricole Download PDF

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Publication number
WO2002074061A1
WO2002074061A1 PCT/EP2002/000896 EP0200896W WO02074061A1 WO 2002074061 A1 WO2002074061 A1 WO 2002074061A1 EP 0200896 W EP0200896 W EP 0200896W WO 02074061 A1 WO02074061 A1 WO 02074061A1
Authority
WO
WIPO (PCT)
Prior art keywords
crop
measuring device
measuring
sensor
grain
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/EP2002/000896
Other languages
German (de)
English (en)
Inventor
Winfried Fechner
Wolfgang Büscher
Jörg GERSONDE
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Priority to BR0206760-9A priority Critical patent/BR0206760A/pt
Priority to DE10291007T priority patent/DE10291007B4/de
Publication of WO2002074061A1 publication Critical patent/WO2002074061A1/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
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12—Details of combines
    • A01D41/127—Control or measuring arrangements specially adapted for combines
    • A01D41/1271—Control or measuring arrangements specially adapted for combines for measuring crop flow

Definitions

  • Measuring device for measuring a crop throughput in an agricultural harvesting machine
  • the invention relates to a measuring device for measuring a crop throughput in an agricultural harvesting machine, with at least one sensor which is set up to measure the intensity of a crop flow.
  • Grain loss measuring devices are currently installed in almost all combine harvesters. However, the accuracy is poor. So far there is no satisfactory technical solution for a permanent and sufficiently precise determination.
  • the known measuring devices for the grain losses usually consist of several below the working organ, such as. B. threshing drums, shakers, sieves, etc., arranged grain sensors that deliver signals when the grains hit. The more frequently grains hit, the higher the grain losses are shown.
  • a baffle plate sensor is calibrated according to US Pat. No. 5,369,603 in test runs in which the mass of the harvested grain tank content is measured by weighing.
  • DE 195 41 177 A proposes to measure the crop flow continuously with a first measuring device. The material flow is then conveyed into a second measuring device, the measured value of which is used to calibrate the first measuring device. According to both Printed matter is first recorded a measured value with a first sensor and then the measured value of the first sensor is calibrated with a second sensor. However, two sensors are required for this.
  • the object of the invention is to develop an improved measuring device for the precise determination of a crop throughput.
  • this is made possible by an additional supply of a defined quantity of already harvested grains, which therefore have the same material properties, which is effected upstream of the sensor and which may cause an undesired higher grain loss, but makes it possible to determine the error of the sensors.
  • the metering can be time-controlled at one or more points. From the effect, e.g. B. additional impulses at the sensors or a step response function can be determined mathematically exactly with known, added grain quantity of the crop throughput.
  • the sensor is preferably arranged on the delivery side of a crop processing device separating grains. Then the quantitative grain distribution in the straw mat and thus the total grain loss can be calculated. The metered, temporally and locally defined addition of additional grains to the grain separation process gives clear conclusions about the quantitative grain distribution in the straw mat. The exact determination of the grain losses can be done with it. However, it would also be conceivable that the sensor is, for example, a good throughput sensor arranged in the grain elevator (in particular a baffle plate or optical sensor). The change in the measured value of the crop throughput sensor caused by the addition of additional crop material by the metering device is used to calibrate the sensor. According to the invention, the influence of the different material properties of the crops can be quantified and taken into account when determining the separation losses and the degree of separation or the control of the entire threshing and separation devices.
  • the crop required for the determination is fed in via one or more grain metering devices which are used in addition to the known sensors for grain loss.
  • the signals that then change on the sensors can be interpreted and the current separation behavior of the threshing and separating devices can be inferred better than before.
  • the selected amount of crop depends on the throughput. On the one hand, it must be large enough to receive a usable response signal. On the other hand, the duration as well as the amount of mass supply should be kept as short as possible in order to keep the impairment of the deposition process small.
  • the feeding of grain with the aid of grain dosing devices can take place continuously, for a limited time or at regular intervals over the entire width of the threshing and separating devices or locally.
  • the use of the grain metering device can be used in combination with grain sensors at any point in the crop flow, e.g. B. before the threshing drum, shaker, sieving or sweeping.
  • the quantitative characterization opens up new possibilities for automation in the combine harvester.
  • the exploitation of the performance of the combine by the driver or automation systems can be significantly improved.
  • the lack of previous solutions, the quantitative particle size distribution when used under practical conditions To be disregarded is eliminated by the targeted, external influencing of the separating process for the purpose of a process analysis in the combine.
  • FIG. 1 shows a threshing device of a combine harvester with a measuring device according to the invention
  • FIG. 2 shows a separating device of a combine harvester with a measuring device according to the invention.
  • FIG. 1 shows the threshing device of a combine harvester. It comprises a rotatably arranged threshing drum 10 in a manner known per se. A threshing basket 12 is arranged on part of the circumference of the threshing drum 10.
  • the threshing drum 10 is supplied by a feed conveyor 14 with a crop flow from a crop recovery device, usually a cutting unit.
  • the threshing drum 10 equipped with threshing bars threshes the crop and removes grains from it which fall through openings in the concave 12.
  • Three sensors 16, 18, 20, which can be baffle plate sensors known per se, are arranged one behind the other below the concave. Downstream of the threshing drum is a guide drum 22 which feeds the threshed crop to a separating device (FIG. 2).
  • a metering device 24 is filled with grains, which are supplied to it, for example, by a corresponding line from the grain tank of the combine harvester.
  • the metering device 24 is provided on the underside with a flap 26 which can be opened. If the flap 26 is opened, a defined amount of additional grains get into the crop flow fed to the threshing drum 10.
  • the sensors 16, 18, 20 then deliver the signals shown in the lower part of FIG. 1. When the grains are added from the metering device 24, one is obtained Signal rise.
  • a corrected grain throughput in the threshing drum 10 is calculated by an evaluation device from the original signal and from the signal changed on the basis of the defined grain addition.
  • the separating device of a combine harvester 10 is shown in FIG. It consists of a straw shaker 30 which is known per se. Below the straw shaker 30, three sensors 32, 34, 36 are arranged one after the other, for example baffle plate sensors. They record the amount of grains falling down from the straw walker 30. A second metering device 38 is filled with grains, which are supplied to it from the grain tank, for example, by a corresponding line. The metering device 38 is provided on the underside with a flap 40 which can be opened. If the flap 40 is opened, a defined amount of additional grains get into the crop flow fed to the straw shaker 30. The sensors 32, 34, 36 then deliver the signals shown in the lower part of FIG. 2. When the grains are added from the metering device 38, a signal increase is obtained. A corrected grain throughput in the straw shaker 30 is calculated by an evaluation device on the basis of the original signals and the signals changed on the basis of the defined grain addition.
  • Such a metering device can also be arranged at the inlet of a screening device, under which one or more sensors for detecting the separated grains are attached, which are connected to an evaluation device constructed in the manner described above.
  • the evaluation device connected to the sensors can be connected to a display device which indicates to the operator the grain throughput and / or the grain losses.
  • the signals provided by the evaluation device can also be used for the automatic setting of working parameters of the harvesting machine (for example driving speed, threshing drum setting, sieve opening and wind speed in the sieve) and / or for geo-referenced yield mapping.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Measuring Volume Flow (AREA)
  • Threshing Machine Elements (AREA)

Abstract

L'invention concerne un dispositif de mesure permettant de mesurer le débit d'un produit récolté dans une moissonneuse agricole. Ce dispositif comprend au moins un capteur (16, 18, 20, 32, 34, 36) conçu pour mesurer l'intensité d'un flux de produit récolté. Selon l'invention, un dispositif de dosage (24, 38) est par ailleurs utilisé pour acheminer une certaine quantité de produit récolté au flux de produit récolté.
PCT/EP2002/000896 2001-01-29 2002-01-29 Dispositif de mesure pour mesurer le debit d'un produit recolte dans une moissonneuse agricole Ceased WO2002074061A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR0206760-9A BR0206760A (pt) 2001-01-29 2002-01-29 Dispositivo de medição para medir a taxa de produtividade de uma safra de colheita em uma máquina colheitadeira agrìcola, e, máquina colheitadeira
DE10291007T DE10291007B4 (de) 2001-01-29 2002-01-29 Messeinrichtung zur Messung eines Erntegutdurchsatzes in einer landwirtschaftlichen Erntemaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001103829 DE10103829A1 (de) 2001-01-29 2001-01-29 Verfahren zur Messung der Körnerverluste an Dresch- und Trenneinrichtungen, insbesondere in Mähdreschern
DE10103829.1 2001-01-29

Publications (1)

Publication Number Publication Date
WO2002074061A1 true WO2002074061A1 (fr) 2002-09-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/000896 Ceased WO2002074061A1 (fr) 2001-01-29 2002-01-29 Dispositif de mesure pour mesurer le debit d'un produit recolte dans une moissonneuse agricole

Country Status (3)

Country Link
BR (1) BR0206760A (fr)
DE (2) DE10103829A1 (fr)
WO (1) WO2002074061A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9445546B2 (en) 2013-12-05 2016-09-20 Agco Corporation Shoe load and distribution sensing for combine harvester

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109041759B (zh) * 2018-06-21 2021-05-25 江苏大学 一种基于超声悬浮的谷物联合收割机清选损失检测装置及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203134A (en) * 1968-03-22 1970-08-26 Wissenschaftlitch Tech Zentrum Improvements in or relating to combine harvesters
DE2009860A1 (de) * 1969-03-14 1971-01-21 Wissenschaftlich-Technisches Zentrum fur Landtechnik, χ 7912 Schheben Einrichtung zum Messen von Massen gutstromen, insbesondere von Körnerstromen
DE4035471A1 (de) * 1989-11-28 1991-05-29 Saechsische Maehdrescherwerke Einrichtung zum erfassen des erntegutdurchsatzes
US5351558A (en) * 1991-02-25 1994-10-04 Claas Ohg Device for measuring bulk flow
DE4320977A1 (de) * 1993-06-24 1995-01-05 Maehdrescherwerke Ag Einrichtung zur Regelung der Fahrgeschwindigkeit eines Mähdreschers
DE19921466A1 (de) * 1999-05-08 2000-11-09 Deere & Co Einrichtung zum Regeln der Vortriebsgeschwindigkeit einer Erntemaschine mit unscharfer Logik

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606745A (en) * 1969-09-08 1971-09-21 Massey Ferguson Ind Ltd Grain flow rate monitor
DD289826A5 (de) * 1989-11-28 1991-05-08 Saechsiche Maehdrescherwerke Ag,De Verfahren zur verarbeitung elektrischer signale
US5369603A (en) * 1992-07-19 1994-11-29 Myers; Allen Calibration of a non-linear sensor
DE19506059A1 (de) * 1995-02-22 1996-08-29 Deere & Co Verfahren zur automatischen Regelung wenigstens eines Abschnitts der Gutbearbeitung in einer Erntemaschine
DE19541167C2 (de) * 1995-11-04 2001-04-05 Claas Ohg Vorrichtung und Verfahren zur Kalibrierung der Messung eines Gutstromes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203134A (en) * 1968-03-22 1970-08-26 Wissenschaftlitch Tech Zentrum Improvements in or relating to combine harvesters
DE2009860A1 (de) * 1969-03-14 1971-01-21 Wissenschaftlich-Technisches Zentrum fur Landtechnik, χ 7912 Schheben Einrichtung zum Messen von Massen gutstromen, insbesondere von Körnerstromen
DE4035471A1 (de) * 1989-11-28 1991-05-29 Saechsische Maehdrescherwerke Einrichtung zum erfassen des erntegutdurchsatzes
US5351558A (en) * 1991-02-25 1994-10-04 Claas Ohg Device for measuring bulk flow
DE4320977A1 (de) * 1993-06-24 1995-01-05 Maehdrescherwerke Ag Einrichtung zur Regelung der Fahrgeschwindigkeit eines Mähdreschers
DE19921466A1 (de) * 1999-05-08 2000-11-09 Deere & Co Einrichtung zum Regeln der Vortriebsgeschwindigkeit einer Erntemaschine mit unscharfer Logik

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9445546B2 (en) 2013-12-05 2016-09-20 Agco Corporation Shoe load and distribution sensing for combine harvester

Also Published As

Publication number Publication date
DE10103829A1 (de) 2002-08-08
DE10291007D2 (de) 2003-12-18
DE10291007B4 (de) 2005-04-28
BR0206760A (pt) 2006-01-24

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