Assessment of the condition of fruit and vegetables

G - Physics – 01 – N

Patent

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G01N 33/02 (2006.01)

Patent

CA 2290623

An assembly for measuring the condition of fruit and vegetable is disclosed which comprises an expandable resilient bellows arrangement (10) having a passive sensor (22) mounted therein. In use, the bellows (10) can be expanded so as to bring the passive sensor (22) into contact with, or adjacent to, an item of fruit or vegetable whereby the sensor can react to a property of the fruit or vegetable and produces a signal related to that property. The bellows (10) can then be contracted away from the fruit or vegetable. The sensor (22) can detect the properties of, for example, surface gas detection, chlorophyll fluorescence, visible and Near Infra Red spectrometry and charge transfer. An arrangement is also disclosed in which a plurality of bellows (10) are mounted on a rotatable mounting (510) whereby by rotation of the mounting (510), the bellows (10) can be brought sequentially into a position in contact with, or adjacent to, a respective fruit or vegetable.

On décrit un système qui permet d'évaluer l'état d'un fruit ou d'un légume. Le système comprend un arrangement à soufflets (10) élastiques gonflables incluant un capteur passif (22). Pendant l'utilisation, les soufflets (10) peuvent être dilatés pour amener le capteur passif (22) au contact de ou adjacent à une pièce de fruit ou de légume. Le capteur réagit à la qualité du fruit ou du légume et émet un signal correspondant à ladite qualité. Les soufflets (10) peuvent ensuite être comprimés pour les éloigner du fruit ou du légume. Le capteur (22) peut détecter, par exemple, les propriétés d'un gaz de surface détecté, d'une fluorescence du chlorophylle, d'une spectrométrie dans le visible et le proche infrarouge, et d'un transfert de charges. On décrit également un arrangement dans lequel plusieurs soufflets (10) sont montés sous la forme d'une structure rotative (510) qui tourne pour présenter séquentiellement les soufflets (10) dans une position où ces derniers sont au contact de ou adjacents à une pièce de fruit ou de légume.

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