Collection method of water sample collector

The technology of a water sample collector and collection method, which is applied in the direction of sampling devices, etc., can solve the problems that water samples are easily mixed into shallow water, slow opening and closing, and the influence of measurement accuracy, and achieve good underwater stability, compact structure, and accurate collection position. precise effect

Inactive Publication Date: 2019-06-28
刘寅东
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Problems solved by technology

Generally, it can be classified into two categories: one is controlled by electric circuit, however, since the water pressure in the water will change linearly with the depth, the piston in this case will open and close slowly and gradually when in use , so that the water sample is easily mixed with shallow water, which has a certain impact on the measurement accuracy

Method used

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  • Collection method of water sample collector
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  • Collection method of water sample collector

Examples

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Embodiment Construction

[0030] As shown in the figure, it includes a shell assembly 1, a lining assembly 2, a drag assembly 3 and a pair of opening and closing assemblies 4; the shell assembly 1 includes a top plate 11, a side cylinder 12 and a counterweight 13, and the side cylinder 12 The top plate 11 is detachably connected to the top of the side cylinder 12, and the center of the top plate 11 is provided with a threaded hole. The counterweight 13 is detachably connected to the bottom of the side cylinder 12. The side cylinder 12 The lower part of the bottom is also provided with a number of water inlet holes 120 with a straight height, and the water inlet holes 120 are located above the top surface of the counterweight 13; Hollow floating plate 22, the opening of the water storage bucket 21 faces downward, and its outer wall is closely attached to the inner wall of the side cylinder 12, and the top of the water storage bucket 21 is provided with an air outlet, so that the water storage bucket can ...

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Abstract

The invention discloses a collection method of a water sample collector. The water sample collector comprises a shell assembly, a lining assembly, a dragging assembly and a pair of opening and closingassemblies. When the water sample collector is in use, the method comprises the steps: enabling a water sample at a specified depth to reach the position below a floating plate from bottom to top through a water inlet hole; after the water sample is extracted, forming an independent and sealed water storage space among the floating plate, a water storage barrel and a balancing weight; preventingshallow water from entering when a water sample collecting device is at an upstream side. The method has the characteristics that the collecting position is accurate, and no shallow water enter the water sample collecting device. The pure mechanical structure of the water sample collector is exquisite, is convenient to use and is good in underwater stability.

Description

technical field [0001] The invention relates to the improvement of a water sample collection device. Background technique [0002] At present, when testing the water quality of rivers, lakes and other water bodies in water level survey work, it is required to sample and analyze water bodies at different locations and at different depths. Most of the existing water samples are taken on the shore. There are also samples taken in ships, which can more truly reflect the actual conditions of the water body. Generally, it can be classified into two categories: one is controlled by electric circuit, however, since the water pressure in the water will change linearly with the depth, the piston in this case will open and close slowly and gradually when in use , so that the water sample is easily mixed with shallow water, which has a certain impact on the measurement accuracy. Contents of the invention [0003] Aiming at the above problems, the present invention proposes a water s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
Inventor 刘寅东
Owner 刘寅东
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