Grain yield graph drafting system for combined harvester

Abstract

The invention discloses a grain yield graph drafting system for a combined harvester. The grain yield graph drafting system comprises a sensor module, a BeiDou positioning system, a single-chip controller and a host computer, wherein the sensor module comprises a grain flow sensor, a water content sensor and a rotating speed sensor which measures the rotating speed of a header auger, the advancing speed of the harvester and the rotating speed of a grain conveying auger, the BeiDou positioning system obtains the positional information of the harvester, the single-chip controller calculates grain flow and yield information according to the information measured by the sensor module, stores the information to a storage module, and eliminating positioning error according to the rotating speed information measured by the rotating speed sensor, the host computer interacts with the single-chip controller, reads the grain flow and yield information stored in the storage module and the positional information of the harvester, displays the farmland yield information through a yield graph software on a real-time basis, and generates a farmland work yield graph. The system can be used for different grain flow, and realizes accurate yield measurement.

Description

technical field [0001] The invention relates to the field of agricultural machinery measurement, in particular to a grain output map drawing system of a combine harvester. Background technique [0002] With the rapid development of precision agriculture, through the study of the soil conditions and production benefits inside the farmland, the experimental field determines the production target of the crops. Invoke the expert system of "optimized formula and scientific management" to improve soil productivity, adjust the input of farmland crops, and achieve the same or higher benefits at the least cost. Combined harvester grain flow measurement device is of great value in precision agriculture. Combined with the Beidou second-generation positioning system to obtain the crop yield of the corresponding farmland interval, draw an intuitive farmland crop yield map, and provide management data and decision-making basis for precision agriculture. During the operation of the combin...

AI Technical Summary

Problems solved by technology

[0009] The present invention proposes a grain output map drawing system for a combine harvester, which overcomes the problem of large measurement errors of the impulse sensor for different crops and different flow rates, and the drawn output map is intuitive, and is suitable for corn, peanuts, and soybeans under large flow rates , the measurement of rapeseed, rice and wheat under small flow

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