Small meteorological non-contact evaporation capacity measurement system and measurement method

A measurement system, non-contact technology, applied in the direction of weighing, instruments, etc. by removing certain components

Pending Publication Date: 2020-11-10
山东省气象局大气探测技术保障中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] my country's meteorological department now uses ultrasonic liquid surface evaporation sensors to realize the automation of large-scale evaporation observations, but there is no standardized and mature automated measurement device and measurement method to replace small-scale evaporation observations.

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  • Small meteorological non-contact evaporation capacity measurement system and measurement method

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Embodiment Construction

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0040] In the description of the invention, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", "upper" and "lower" are based on the orientation or positional relationship shown in the drawings, and are only for convenience The present invention is described and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation...

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Abstract

The invention aims to solve the problem of providing a small meteorological non-contact evaporation capacity measurement system and measurement method, which can achieve the measurement of the evaporation capacity of 24 hours per minute all day and are accurate in measurement result. The small meteorological non-contact evaporation capacity measuring system comprises an evaporation dish, a weighing device, a water adding device and a drainage device, wherein the evaporation dish is placed on the weighing device; a detachable inverted-U-shaped siphon is installed on the side wall of the evaporating dish, a pipe inlet of the siphon is located above the bottom of the evaporating dish, and the position of the pipe inlet of the siphon is higher than that of the pipe outlet of the siphon. A water adding port of the water adding device is positioned above a dish opening of the evaporating dish and is not in contact with the evaporating dish.

Description

technical field [0001] The invention relates to the technical field of meteorological measurement, in particular to a non-contact evaporation measuring system and method for meteorological use. Background technique [0002] Evaporation is not only an important part of surface energy balance, but also an important part of terrestrial water balance. It is an important factor determining weather and climate conditions, and plays a pivotal role in global water cycle and climate evolution. In addition, evaporation data are also needed in many aspects such as water resource assessment, drought assessment, management and utilization of reservoirs and lakes, industrial and agricultural water use, and hydrological forecasting. [0003] The evaporation measured by the weather station is the water surface evaporation, which measures the depth of the water layer lost due to evaporation within a certain time interval in a fixed-caliber evaporator. Commonly used measuring instruments incl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04G01W1/00
CPCG01N5/04G01W1/00
Inventor 涂爱琴边文超于帅黄磊杨崇静
Owner 山东省气象局大气探测技术保障中心
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