Stratified water collection device
A collection device and water body technology, applied in the field of layered water body collection devices, can solve the problems of inconvenient operation and difficult collection of water samples, and achieve the effect of accurate collection
Inactive Publication Date: 2017-04-19
ZHEJIANG SCI-TECH UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the inconvenient operation of the fixed-depth water sampling device in the prior art when collecting seabed water samples, and it is difficult to accurately collect water samples within a specific distance above the seabed, and to provide a convenient and accurate collection method. Stratified water body collection device for water samples at a specified distance above the seafloor
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[0025] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0026] Such as figure 1 As shown, a device for collecting stratified water bodies includes a trigger device 1 and four water sample collectors 3 .
[0027] The trigger device comprises a vertical trigger cylinder 11, an upper piston body 14 and a lower piston body 16 slidably arranged in the trigger cylinder, and a first connecting rod 12 connecting the upper and lower piston bodies, which is arranged on the lower end surface of the lower piston body. The second connecting rod 19 in the middle and the trigger counterweight 112 located below the trigger cylinder. The upper end of the trigger cylinder is open and the lower end is closed. The opening edge of the upper end of the trigger cylinder is provided with several threading notches 15 . The escape through hole 110 provided in the middle of the lower end surface of the trigger cylinder. An...
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Abstract
The invention discloses a layered water body collection device and aims at providing the layered water body collection device which can be used for conveniently and accurately collecting a water sample in a specific distance above a seabed. The layered water body collection device comprises a triggering device and a plurality of water sample collectors, wherein the triggering device comprises a triggering cylinder body which is vertically arranged, an upper piston body and a lower piston body which are slidingly arranged in the triggering cylinder body, a first connection rod for connecting the upper piston body and the lower piston body, a second connection rod arranged in the middle of the lower end face of the lower piston body, and a triggering counter weight located under the triggering cylinder body.
Description
technical field [0001] The invention relates to a water collection device, in particular to a layered water collection device. Background technique [0002] Water sample collection is an important part of water environment scientific research and water environment protection and management. The collection of water samples at different depths is the premise and basis for the smooth development of various research work. The water body in the water area is affected by factors such as material, water flow, and temperature, and there will be a stratification effect. The hydrological, physical, chemical, and biological information of different water layers is different. Collecting and analyzing the differences in water bodies at different layers is a key step in environmental science and marine science. It is widely used in practical fields such as water ecological environment assessment and pollution accident investigation. [0003] Most of the current water collectors are fixed...
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IPC IPC(8): G01N1/16
Inventor 孙永剑万昌江
Owner ZHEJIANG SCI-TECH UNIV