Fruit-vegetable quality evaluation device

Abstract

There is provided a quality evaluation device capable of evaluating the quality of fruits-vegetables with a high accuracy. The transmitting light from an object (M) to be measured is received by a light reception sensor of charge accumulation type. Charge is accumulated in the light reception sensor from the accumulation start timing until the time set for accumulation has elapsed. After this, anelectric charge accumulation discharge processing for discharging the electric charge accumulated in the light reception sensor until the time set for discharge has elapsed is repeatedly performed. When the object (M) reaches the measurement position, the charge accumulated is discharged. After this, a measurement charge accumulation processing is performed for accumulating charge used as light reception information for quality evaluation. Furthermore, the quality evaluation device includes: a light reception section (2) for receiving near-infrared light projected from a projection section (1)to the object to be measured by performing spectral analysis; and a calculation section for calculating a quality value of the fruit-vegetable in accordance with the received light information from the light reception section (2) and a measurement equation. This calculation section is configured so as to perform wavelength calibration in accordance with the received light information obtained when a reference body for wavelength calibration is measured. The measurement equation is created with a smaller resolution than the maximum resolution of the received light information decided in accordance with the number of unit light reception sections. The wavelength calibration performed by using the received light information is performed with a smaller resolution than the resolution requiredfor creating the measurement equation.

Description

technical field [0001] The present invention relates to an apparatus for evaluating the quality of fruits and vegetables. This type of apparatus includes: a light projecting unit that projects light onto the fruits and vegetables to be detected located at a detection point; The transmitted light or reflected light of the object to obtain the light-receiving information for quality evaluation; the conveying device, which transports the above-mentioned detected object through the above-mentioned detection point; Quality information, and control the actions of each department. [0002] Furthermore, the quality evaluation device of the present invention relates to a quality evaluation device for fruits and vegetables, and the quality evaluation device is provided with a calculation unit, and the calculation unit calculates the following parameters based on the light-receiving information from the light-receiving unit and the pre-generated detection formula for quality evaluation o...

AI Technical Summary

Problems solved by technology

However, in this way, even if the above-mentioned wavelength correction process is accurately performed, the wavelengths of light received by a plurality of unit light receiving units are determined based on the data of light received by each unit light receiving unit, and the wavelengths of light received by a plurality of unit light receiving units are determined. After the wavelength resolution of the light itself becomes lower

As a result, there is a problem that the detection accuracy of the light-receiving information obtained for obtaining the quality evaluation value of fruits and vegetables decreases.

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