Total radiometer indoor calibration system

A calibration system and total radiation technology, applied in the field of pyranometers, can solve problems such as bulky, inconvenient operation by measurement personnel, and large floor space

Pending Publication Date: 2021-03-16
CMA METEOROLOGICAL OBSERVATION CENT
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Problems solved by technology

[0004] The disadvantage of Kippzonen's calibration equipment is that the position of the sensor needs to be exchanged to compensate for the unevenness of the beam intensity emitted by the narrow-angle light source, and if the sensor of a different manufacturer is replaced, the light intensity at different positions needs to be re-evalu

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] The purpose of the present invention is to provide an indoor calibration system for pyranometers, which improves the convenience of calibration and is convenient for users to operate.

[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] figure 1 It ...

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Abstract

The invention relates to a total radiometer indoor calibration system, which comprises an integrating sphere and a light source; the integrating sphere is a shell composed of a cylindrical shell, twohemispherical shells and a plane, the two ends of the cylindrical shell are respectively connected with the hemispherical shells respectively, the lower parts of the cylindrical shell and the hemispherical shells are connected with the plane; a first light outlet hole and a second light outlet hole are formed in the plane, a light inlet hole is formed in the cylindrical shell, the light source isinstalled in the light inlet hole, and the light source is used for providing light for an inner cavity of the integrating sphere; a to-be-measured total radiometer receives the illumination in the integrating sphere through the first light outlet hole and a standard total radiometer receives the illumination in the integrating sphere through the second light outlet hole, or the standard total radiometer receives the illumination in the integrating sphere through the first light outlet hole and the to-be-measured total radiometer receives the illumination in the integrating sphere through thesecond light outlet hole. According to the invention, the volume of the integrating sphere is reduced, the stability of the light source is convenient to adjust, the calibration convenience is improved, and user operation is facilitated.

Description

technical field [0001] The invention relates to the technical field of pyranometers, in particular to an indoor calibration system for pyranometers. Background technique [0002] At present, pyranometer calibration is divided into outdoor calibration method and indoor calibration method. The existing indoor calibration methods are provided by KIPPZONEN and EPPLEY. Among them, KIPPZONEN uses metal halide high-pressure gas discharge lamps to emit vertical narrow-angle beams and vertically irradiate Go to the standard pyranometer and the pyranometer to be tested installed on the workbench below, and complete the calibration of the pyranometer to be tested by collecting the voltage signals of the two. This device is simple and the method is easy. [0003] EPPLEY uses a hemispherical integrating sphere, and the light source is placed on the bottom plane of the integrating sphere to emit light upward. The standard is placed in the middle of the plane, and the pyranometer to be me...

Claims

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Application Information

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IPC IPC(8): G01J1/18
CPCG01J1/18
Inventor 崇伟贺晓雷雷勇潘军丁蕾马剑哲边泽强韩志平李松奎
Owner CMA METEOROLOGICAL OBSERVATION CENT
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