Underwater multi-dimensional automatic water sample collecting device

A technology of collecting device and water sample collector, which is applied in sampling device and other directions to achieve the effects of improving stability, simple process technology and improving water intake efficiency

Inactive Publication Date: 2019-01-04
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an underwater multi-dimensional automatic water sample collection device, which solves the problem of simultaneous multi-dimensional and efficient collection of water samples underwater

Method used

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  • Underwater multi-dimensional automatic water sample collecting device
  • Underwater multi-dimensional automatic water sample collecting device
  • Underwater multi-dimensional automatic water sample collecting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Description of structure and interrelationships:

[0047] Such as figure 1 A kind of underwater multi-dimensional automatic water sample collecting device shown, such as figure 2Shown is a schematic diagram of the unit structure of the present application, which includes a volumetric water sample extractor 32, a three-way valve 2 is an electromagnetic three-way valve, a stepping motor 411, a controller 4, a fixed frame 321, and the inner tube 112 is a sampling hose , the outer tube 111 is a stainless steel capillary tube, and the part directly connected between the extractor 32 and the sampling tube 11 is a stainless steel tube. Under the action of controlling the stepper motor and the electromagnetic three-way valve, the volumetric water sample extractors 32 can be arranged side by side at equal distances to simultaneously extract water samples at different depths and at different positions on the same cross-section, realizing underwater sampling by Automatic collec...

Embodiment 2

[0080] Such as Figure 4-7 As shown, when only one-dimensional sampling is required, in order to simplify the sampling work, you can use such as Figure 4-7 The handle sampler shown is designed for sampling, the extractors are arranged side by side in a straight line, the sampling stretch is controlled by the handle, and the extractor can be flexibly disassembled through the detachable fixed extractor holder.

Embodiment 3

[0082] Using the underwater multi-dimensional automatic water sample collection device provided in Example 1 to carry out the method embodiment steps of water sample collection are as follows:

[0083] 1. When sampling, set the three-dimensional coordinate system according to the direction of water flow, set the sampling starting point of the research object as the coordinate origin, and establish a three-dimensional coordinate system. The direction of water flow is the X axis, the water depth direction is the Z axis, and the direction perpendicular to the water flow is the Y axis. .

[0084] 2. When it is necessary to measure the Z direction of the one-dimensional coordinate scale, that is, when water samples of different depths along the vertical direction at a certain point in the vertical water flow direction, the stainless steel capillary is installed in the vertical depth direction, and the outlets of the extractors 32 arranged side by side The sampling hose connected to...

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Abstract

The invention discloses an underwater multi-dimensional automatic water sample collecting device. The underwater multi-dimensional automatic water sample collecting device comprises a water sample collector, a three-way valve, a water storage device and a controller; the water sample collector comprises a sampling tube; the sampling tube comprises an outer tube and an inner tube; the inner tube isconnected with the side wall of the outer tube; the inner tube is a hose; a through hole is formed in the side wall of the outer tube; the water storage device comprises a sampling bottle pull rod, asampling bottle and a sampling beaker; the sampling bottle pull rod is connected with at least two sampling bottles; the sampling bottles adopts a volumetric variable type and are connected with theinner tube; the sampling bottles change the internal capacity under the motion of the sampling bottle pull rod; the sampling bottles collect water samples through the inner tube or collect water samples through the sampling beaker, and the water samples with three dimensions can be collected simultaneously, so that multi-dimensional sampling is realized and the effectiveness and the representativeness of sampling are greatly improved; and the process technology is simple and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of water sample collection equipment, in particular to an underwater multi-dimensional automatic water sample collection device. Background technique [0002] In recent years, my country's economy has developed rapidly. While the vigorous development of industry and agriculture has created wealth, it has also caused various water environmental pollution. Therefore, in order to investigate and analyze the distribution of water quality, it is necessary to conduct investigation and analysis of water quality, which involves the process of water sample collection. At present, the domestic water sample collection is mainly based on direct sampling of polyvinyl chloride bottles or plexiglass sampling bottles, but the accuracy of this type of sampler is not high, and most of them are single-point sampling. Such collectors are not efficient and cannot be used in Multi-dimensional simultaneous sampling on one surface or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 余志胡旭跃沈小雄杨轶辉王建辉张凤琦孙士权万俊力王波何松江杨林韩振英
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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