Flow measuring device for partially filled drains

A technology for flow measurement devices and drainage pipes, which is applied in the direction of measurement devices, measurement of flow/mass flow, liquid/fluid solid measurement, etc., can solve the problems of difficult application of flow technology, simplify installation and maintenance, prolong service time, The effect of high practical value

Active Publication Date: 2020-03-24
TAIHUA WISDOM IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a non-full drainage pipe flow measurement device, which can realize flow measurement under both full and partly full drainage pipe conditions, and solve the existing problems determined by the actual construction conditions of the drainage pipe. Technical problems that flow technology is difficult to apply

Method used

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  • Flow measuring device for partially filled drains
  • Flow measuring device for partially filled drains
  • Flow measuring device for partially filled drains

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Combined with the manual Figure 1-Figure 6 , this embodiment provides a flow measurement device that can be used in a partially filled drainage pipe, which is a split structure, including a streamlined probe 1 and a flowmeter host 2, and the streamlined probe 1 and the flowmeter host 2 are connected through a waterproof cable 3 connection, where

[0063] The streamlined probe 1 is a fully enclosed waterproof structure, wherein the front end of the streamlined probe 1 is provided with a first hydroacoustic transducer 61 and a second hydroacoustic transducer 62 in parallel, and a third hydroacoustic transducer is provided at the top 8. A pressure transmitter 7 is provided at the bottom and a temperature sensor 9 is provided at the rear end, wherein,

[0064] The first hydroacoustic transducer 61 and the second hydroacoustic transducer 62 are respectively coupled to the flowmeter host 2, and by using the principle of ultrasonic Doppler, the deviation of the frequency of ...

Embodiment 2

[0104] The measuring device of this embodiment adopts a split structure and includes two components: a streamlined probe 1 integrating five sensors and a flowmeter host 2, and the streamlined probe 1 and the flowmeter host 2 are connected by a special waterproof cable 3 .

[0105] The waterproof cable 3 contains a plurality of signal wires and an air guide tube 17 . The cable is provided with a desiccant hub 22 near the flowmeter host 2, and the cable air duct 17 is connected to the air duct 17 of the desiccant hub 22 through the second air chamber 19 in the waterproof plug 20, and the remaining signal wires in the cable pass through The waterproof plug 20 is connected to the waterproof interface of the host.

[0106] The desiccant center 22 is a hollow structure with a replaceable built-in desiccant, which is used to absorb the moisture in the humid air in the inspection well to ensure that the probe and the air duct 17 are dry. The desiccant center 22 has a detachable botto...

Embodiment 3

[0148] The embodiment of the present application is an application embodiment. The above-mentioned embodiment 1 can be used for the installation and configuration process of the flow measurement device of a partially filled drainage pipeline. See figure 1 .

[0149] The composition structure is that a streamlined probe 1 is fixed near the bottom of the pipeline, the flowmeter host 2 is suspended on the wall of the inspection well, and the flowmeter host 2 and the streamlined probe 1 are connected by a waterproof cable 3 .

[0150] Step S301, firstly fix the waterproof streamlined probe 1 horizontally to the position close to the bottom of the pipeline, generally select the front side to face the direction of incoming water, see figure 2 ; If there is sludge deposition at the bottom of the pipeline, the waterproof probe must be installed on the upper side of the sediment layer; the flowmeter host 2 is installed on the wall of the inspection well;

[0151] Step S302, after ins...

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Abstract

This application discloses a flow measurement device that can be used in a partially filled drainage pipe, which is a split structure, including a streamlined probe and a flowmeter host, the streamlined probe and the flowmeter host are connected by a waterproof cable, and the streamlined probe is Fully enclosed waterproof structure, wherein the front end of the streamlined probe is provided with a first hydroacoustic transducer and a second hydroacoustic transducer side by side, a third hydroacoustic transducer is provided at the top, a pressure transmitter and a pressure transmitter are provided at the bottom There is a temperature sensor at the back end; the flowmeter host includes ultrasonic Doppler flow velocity measurement module, ultrasonic liquid level measurement module, pressure transmitter measurement module, temperature measurement module, FPGA operation module, MCU main control module, battery and voltage regulator Power supply module, GPRS communication module and debugging interface circuit. The invention simplifies the problem of difficult installation and maintenance of the flowmeter through a streamlined probe integrated with five sensors and a split structure of the host.

Description

technical field [0001] The invention relates to the field of ultrasonic Doppler flow measurement, in particular to a flow measurement device for measuring partially filled drainage pipes. Background technique [0002] In recent years, with the introduction of the concept of sponge city, more and more cities have carried out the construction of sponge city, and the construction of sponge city first needs to be based on the analysis of urban drainage data, so that the monitoring of urban drainage pipeline flow Demand came into being. The flow measurement of drainage pipes (referring to pipes that collect and discharge sewage, waste water, and rainwater) has always been a difficult problem in the field of flow measurement, because drainage pipes are gravity flow pipes, that is, in the absence of pressure, relying on the slope of the drainage pipe to rely on itself It flows downward due to the action of gravity, which is the most commonly used method in rainwater and sewage dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/66
CPCG01F1/663
Inventor 赵吉祥马述杰
Owner TAIHUA WISDOM IND GRP CO LTD
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