Anomaly detection method and device for total radiometer and total radiometer

A technology of anomaly detection and total radiation, which is applied in the field of pyranometers, can solve the problems of low efficiency of pyranometer abnormal detection, and achieve the effects of improving abnormal detection efficiency, ensuring reliability, and improving accuracy

Pending Publication Date: 2021-03-16
航天新气象科技有限公司
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Problems solved by technology

[0005] The application provides a pyranometer abnormality detection method, device and pyranomet

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  • Anomaly detection method and device for total radiometer and total radiometer
  • Anomaly detection method and device for total radiometer and total radiometer
  • Anomaly detection method and device for total radiometer and total radiometer

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[0064] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0065] In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. In the descriptions of the following embodiments, "plurality" means two or more, unless otherwise specifically define...

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Abstract

The invention provides an anomaly detection method and device for a total radiometer and the total radiometer. The method comprises the steps of acquiring the current temperature, the current relativehumidity and the last desiccant replacement time in a cavity of the total radiometer; determining the current absolute humidity in the cavity of the total radiometer according to the current temperature and the current relative humidity in cavity of the total radiometer; determining an anomaly moment according to a relationship between the current absolute humidity and a preset humidity threshold; and determining an anomaly detection result according to a preset desiccant action time threshold, the last desiccant replacement time and the anomaly moment. According to the anomaly detection method provided by the scheme, the reason causing the anomaly of the total radiation meter can be analyzed according to the time difference between the anomaly moment and the last desiccant replacement time and the preset desiccant action time threshold, and the anomaly detection result is determined, so that the accuracy of the anomaly detection result is improved, the anomaly detection efficiency isimproved, and a foundation is laid for guaranteeing the reliability of the total radiometer.

Description

technical field [0001] The present application relates to the technical field of automatic detection, in particular to a pyranometer abnormality detection method, device and pyranometer. Background technique [0002] The pyranometer is mainly used to measure the total solar radiation, scattered radiation and ground reflected radiation in the automatic weather station. The sensing device of the pyranometer is a thermopile, and the thermopile is required to work in a dry environment. High humidity will affect the thermopile. The spectral absorption capacity of a material. Therefore, in order to ensure the reliability of the pyranometer, it is necessary to keep the air in the cavity of the pyranometer dry, so it is necessary to place a desiccant in the cavity, and the requirements for the sealing of the pyranometer are relatively high. [0003] In the prior art, it is usually necessary for relevant operators to check the use of the desiccant in the pyranometer every week to de...

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Application Information

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IPC IPC(8): G01T1/00
CPCG01T1/00
Inventor 花卫东闫加俊杨科三王珏庞黎顾群力
Owner 航天新气象科技有限公司
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