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Water level measurement method and device

A technology of water level measurement and pumping pipe, which is applied in the direction of displaying liquid level indicators through pressure measurement, which can solve the inconvenience of carrying and using, bulky equipment, and the inability of samplers to intuitively understand and control the depth of the sampling bucket and the sampling process, etc. problems, to achieve the effect of convenient and flexible use and increased flexibility

Active Publication Date: 2020-11-10
NINGBO ELECTROMECHANICAL IND RES & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this sampling method, the simple sampling bucket is used manually, and the sampler cannot intuitively understand and control the depth of the sampling bucket and the sampling process, which limits the flexibility of sampling to a certain extent; (2) equipment collection
In this method, the operator uses automated equipment for collection, but the equipment required is bulky, expensive, inconvenient to carry and use, and cannot be collected in the wild with poor ground conditions
At the same time, most of the common commercially available water quality sampling equipment cannot measure the water level of the water sampling point in real time during the process of lowering the suction pipe, which is not flexible and convenient enough.

Method used

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  • Water level measurement method and device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The water level measurement method is used to measure the depth of the water sampling point where the lower end of the water sampling pipe of the water quality sampler is located. Specifically, the method uses a sealed air pipe to convert the pressure of the liquid in the water pumping pipe into air pressure, and then collects the air pressure data in the sealed air pipe through a pressure sensor, and after information processing by a functional circuit board, the water collection point is finally obtained. the depth value. Such a method is relatively simple, and can be detected at any time during the pumping process, which is more flexible and convenient. The method of Embodiment 1 can be realized by the device of Embodiment 2 below, but it is not limited thereto.

Embodiment 2

[0037] to combine figure 1 As shown, the water level measuring device is used to measure the depth of the water sampling point at the lower end of the water sampling pipe 100 of the water quality sampler (not shown on the figure), and the water quality sampler also includes a peristaltic pump (not shown on the figure). ).

[0038] in particular:

[0039] The measuring device includes: a three-way solenoid valve 10, a sealed gas pipe 20, an air pressure sensor 30, a functional circuit board 40, a display module 50, a power module 60, a conduit 70 and other components.

[0040] The three-way solenoid valve 10 includes a water inlet port 11 , a water outlet port 12 and a communication port 13 . That is, after the three-way solenoid valve 10 works, the water inlet 11 and the water outlet 12 can be communicated while the water inlet 11 and the communication end 13 are disconnected; or, the water inlet 11 and the communication end 13 can be disconnected. The water inlet port 11 a...

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PUM

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Abstract

The invention discloses a method for the water level measurement, which is used for measuring the depth of a water collecting point at the lower end of a water pumping pipe of a water quality sampler.The method utilizes a sealed air pipe to convert the pressure of the liquid in the water pumping pipe into the air pressure; collects the air pressure data inside the sealed air pipe through a pressure sensor; processes the information through the functional circuit board; and finally obtains the depth value of the water collecting point. According to the method for the water level measurement, the method has the advantages of being convenient to use and flexible. The invention further discloses a device for the water level measurement.

Description

technical field [0001] The invention relates to the technical field of water sample collection, in particular to a water level measurement method. The invention also relates to a water level measuring device. Background technique [0002] Water quality sampling and analysis is one of the main contents of the national environmental protection supervision and monitoring work. At present, the daily sampling methods of the water environment testing and management department mainly include the following two methods: (1) Manual collection. In this sampling method, the simple sampling bucket is used manually, and the sampler cannot intuitively understand and control the depth of the sampling bucket and the sampling process, which limits the flexibility of sampling to a certain extent; (2) equipment collection. In this method, the operator uses automated equipment for collection, but the equipment required is bulky, expensive, inconvenient to carry and use, and cannot be collected...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/14
CPCG01F23/14
Inventor 宋冠瑶邱利锋
Owner NINGBO ELECTROMECHANICAL IND RES & DESIGN INST CO LTD