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Fixed-depth water sample collection device

A collection device and water sample technology, applied in sampling devices, measuring devices, sampling, etc., can solve problems such as large errors, and achieve the effects of improving depth accuracy, reducing water collection costs, and improving water collection efficiency

Pending Publication Date: 2020-07-28
江苏众智启澄智能环境科技有限公司
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Problems solved by technology

[0003] In the process of lowering the water collector, in order to determine whether the water collector has been lowered to the above-mentioned predetermined water collection depth, it is generally confirmed by pulling the mark on the rope of the water collector, and the actual depth of the water collector in the water body is determined by the water. There is often a large error due to the influence of the flow rate

Method used

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  • Fixed-depth water sample collection device

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Embodiment Construction

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that all the drawings of the present invention are in simplified form and use inaccurate scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0031] see figure 1 A depth-fixed water sample collection device shown includes a substrate 1 , a closing mechanism 2 and a pressure sensor 3 . The base body 1 has a water collection chamber 11, the upper and lower ends of the water collection chamber 11 are respectively provided with a one-way valve 12 and a water inlet 13, and the one-way valve 12 allows the water in the water collection chamber 11 to The sample flows out in one direction; the closing mechanism 2 is fixed on the base body 1, which in...

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Abstract

The invention discloses a fixed-depth water sample collection device, which comprises: a base body having a water collection chamber, wherein the upper end and the lower end of the water collection chamber are respectively provided with a one-way valve and a water inlet hole, and the one-way valve allows a water sample in the water collection chamber to flow out in a one-way manner; a sealing mechanism which is fixed to the base body and comprises a plugging piece capable of moving towards the water inlet hole to seal the water inlet hole; and a pressure sensor which is arranged at the bottomof the base body and is electrically connected with the sealing mechanism; the gravity center of the base body is located below the water inlet hole. According to the fixed-depth water sample collection device, it is guaranteed that water in the water collection chamber is a water sample with the preset depth, an existing mode of judging the sampling depth through a rope and the like is abandoned,the water collection efficiency in water environment investigation is improved, the depth precision of water sample collection is improved to a large extent, and the water collection cost is reduced.

Description

technical field [0001] The invention relates to the field of water quality monitoring, in particular to a depth-fixed water sample collection device. Background technique [0002] Water samples are an important judgment basis for water quality monitoring. In order to obtain water samples, spherical water collectors are usually used. When the spherical cover type water collector is lowered for sampling, the two spherical covers are opened, and after reaching the predetermined water collection depth, the hammer is released to make the two spherical covers close for sampling. [0003] In the process of lowering the water collector, in order to determine whether the water collector has been lowered to the above-mentioned predetermined water collection depth, it is generally confirmed by pulling the mark on the rope of the water collector, and the actual depth of the water collector in the water body is determined by the water. There is often a large error due to the influence o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1031
Inventor 赵宏斌孙永众
Owner 江苏众智启澄智能环境科技有限公司
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