Sealing sampling device for collecting rainwater

Abstract

The invention provides a sealing sampling device for collecting rainwater. The sealing sampling device comprises a tank and a container arranged inside the tank and used for collecting the rainwater, wherein the container comprises an aqueduct with a first sealing piece, an exhaust pipe with a second sealing piece, and a humidity and temperature monitor; a funnel for collecting the rainwater is arranged at the upper part of the aqueduct; the exhaust pipe comprises a first end part and a second end part with the second sealing piece; a movable block of the first sealing piece is opened along a rotating shaft under the pressure of the rainwater; when the rain is finished, the first sealing piece is automatically closed under the action of the movable block; when the rainfall is high, the movable block of the second sealing piece is opened under the impact of airflow; when the rain is finished, the second sealing piece is automatically closed under the action of the movable block. According to the sealing sampling device provided by the invention, by improving the sealing structure of the device, the original features of a rainfall sample in the container are kept, and a reliable guarantee is provided for the accurate measurement of the content of hydrogen and oxygen isotopes in the rainwater.

Description

technical field [0001] The invention relates to the field of hydrological equipment, in particular to a sealed sampling device for measuring the content of hydrogen and oxygen isotopes in rainwater. Background technique [0002] Isotope hydrology is a new discipline developed in the 1950s. It mainly uses isotope technology to solve some key problems in hydrology. Since the 1960s, worldwide use of isotopic techniques ( 18 O, 2 H, 3 H, 14 C, 36 C, 87 Sr / 86 Sr, et al), combined with hydrogeochemical methods to carry out extensive groundwater surveys, and achieved many breakthrough results. In particular, hydrogen and oxygen stable isotopes can provide information on the water molecule itself, and when combined with water level, water chemistry, and other relevant data, will lead to more reliable conceptual models of regional groundwater flow to facilitate effective groundwater resource management. if use 2 H and 18 O to track groundwater, so the study of hydrogen and...

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Problems solved by technology

[0009] In order to solve the shortcomings of the above-mentioned existing rainfall collection devices such as poor sealing performance and inability to automatically transmit rainfall data, the present invention provides a hydrological rainfall sealing sampling device with good sealing performance. Another purpose of the present invention is to be able to pass The remote transmission device uploads the collected rainfall data to the remote controller, thus providing a guarantee for the accurate measurement of the hydrogen and oxygen isotope content of the precipitation samples collected in the sealed sampling device

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