Claas Selbstfahrende Erntemaschinen Gmbh

Brose Fahrzeugteile Gmbh &co.

Ralf Hübner

Gerd Bernhardt

Willi Behnke

Detlef Russ

Martin Dammann

Dirk Speckamp

Alex Kromer

Jürgen Buhlheller

Wolfram Damm

Harald Muller

An apparatus and method for determining grain loss of a harvesting machine. The harvesting machine has a crop-separating region with separating members. The separating members each have separation sensors for generating a signal corresponding to the crop quantity separated. This signal is delivered to an evaluating unit for further processing. Processing includes determining a separation curve for at least some of the separating zones and converting the separation curve to a characteristic quantity. From this measured characteristic quantity, a loss is determined based on a characteristic curve deposited in the evaluating unit. By avoiding direct loss measurement on the harvesting machine, the negative crop-related effects on determining grain loss are considerably reduced.

Apparatus and method for determining grain loss in combine harvesters

The invention relates to a sensor for determining the structure-borne sound vibrations generated by the impingement of grains on a pulse detector in an agricultural machine for harvesting crops and to a device for operational monitoring of the sensor and improved signal evaluation. Such sensors are used to monitor threshing and separating performance at various points in a harvesting machine. Depending on the area of application, various forms of a pulse detector are used. These can have the shape of a plate, a tube, a rod or other similar profiles. Attached to these detectors are vibration detectors. A particularly strong connection between the vibration detector and the pulse detector is achieved by using a piezo-ceramic vibration sensor and its attachment by means of a screw connection.

Sensor for harvesting machines

Growing community of inventors

Dresden, Germany

Ralf Hübner