Device for detecting insect larvae and adult insects in stored products by sensing their volatile pheromones and semiochemicals

A volatile and storage technology, which is applied in the direction of capturing or killing insects, measuring devices, testing food, etc., can solve the problems of low vapor pressure and concentration, difficult to detect, etc., and achieve the effect of low cost

Active Publication Date: 2020-10-23
SENSOR DEV CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, their vapor pressure and concentration in the headspace above infested storage will be low and thus more difficult to detect

Method used

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  • Device for detecting insect larvae and adult insects in stored products by sensing their volatile pheromones and semiochemicals
  • Device for detecting insect larvae and adult insects in stored products by sensing their volatile pheromones and semiochemicals
  • Device for detecting insect larvae and adult insects in stored products by sensing their volatile pheromones and semiochemicals

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no. 1 approach

[0050] refer to figure 1 , provides a method 100 of identifying insect infestation of stored goods by detecting one or more target volatile organic compounds within a target fluid stream. The method includes: providing an apparatus comprising a sensor array having a plurality of VOC sensors (S110); heating one or more of the plurality of VOC sensors to at least a first operating temperature (S115); a VOC sensor in contact with the target fluid flow (S120); determine a set of conductance change values ​​corresponding to each sensor in the one or more VOC sensors in contact with the target fluid flow (S125); and based on the set of conductance change values A gaseous component concentration of one or more target VOCs within the target fluid stream is determined (S130). According to a first embodiment of the method 100, each VOC sensor of the sensor array includes: a substrate; a resistive heater circuit; a sensing circuit; and a chemically sensitive film formed over the sensing...

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Abstract

Minimal-cost, high-accuracy, and portable devices used to detect the presence of insect larvae and adult insects in stored products by sensing gas phase markers such as volatile pheromones, semiochemicals, and kairomones. The methods, devices, and systems disclosed herein utilize a sensor array configured to simultaneously measure a plurality of target markers and filter background gases while remaining compact, highly accurate, and easy to operate.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Patent Application Serial No. entitled Apparatus for Detecting Insect Larvae and Adult Insects in Stored Items by Sensing Volatile Pheromones and Semiochemicals of Insect Larvae and Insect Adults, filed February 1, 2018 .62 / 625,000 priority, the entire disclosure of which is incorporated herein by reference. Background technique [0003] The following disclosure relates primarily to insect and insect infestation detection technology, chemical sensing technology, gas detection technology, volatile organic compound analysis technology, gas sensing microchip arrays, and methods and devices related to the above. The present invention finds particular application in relation to techniques involving the highly sensitive and selective detection of insects in stored food and other products or materials. [0004] Stored object insects ("SPIs") are most commonly found feeding on finished f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00A01M99/00
CPCA01M99/00A01M1/026G01N33/0047G01N33/02G01N27/123G01N33/0073
Inventor 尼古拉斯·约瑟夫·斯米兰尼奇赛缪尔·费尔斯通·赖克特法兰克·伯纳德·图德龙
Owner SENSOR DEV CORP
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