CN-122017853-A - Inspection well underwater pipeline and flow direction detection method, device, equipment and medium

CN122017853ACN 122017853 ACN122017853 ACN 122017853ACN-122017853-A

Abstract

The invention relates to the technical field of sonar detection, and discloses a detection method, a device, equipment and a medium for detecting the flow direction of an underwater pipeline of an inspection well, wherein the detection method for detecting the flow direction of the underwater pipeline of the inspection well comprises the steps of utilizing target sonar scanning equipment configured with a jacking type rod rail device to acquire sonar detection data of a plurality of target inspection wells; the target sonar scanning equipment is used for transmitting ultrasonic original frequency at a target inspection well and receiving reflected target ultrasonic frequency, carrying out three-dimensional modeling on the target inspection well according to sonar detection data to obtain a target inspection well three-dimensional model of each target inspection well, determining the pipe orifice circle center coordinates of each target inspection well according to each target inspection well three-dimensional model, and determining the water flow direction of each target inspection well according to ultrasonic frequency deviation data corresponding to the pipe orifice circle center coordinates of each target inspection well.

Inventors

ZHAO ZHICHAO
WANG WANQIONG
YIN WEI
CHEN YILIN
LIU WEI
FANG SHUAI

Assignees

三峡环境科技有限公司
中国长江三峡集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (10)

1. An inspection well underwater pipeline and flow direction detection method, which is characterized by comprising the following steps: The method comprises the steps of obtaining sonar detection data of a plurality of target inspection wells by utilizing target sonar scanning equipment provided with a tight pushing type rod rail device, wherein the tight pushing type rod rail device is used for controlling the target sonar scanning equipment to move in the target inspection wells, and the target sonar scanning equipment is used for transmitting ultrasonic original frequency in the target inspection wells and receiving reflected target ultrasonic frequency; performing three-dimensional modeling on the target inspection wells according to the sonar detection data to obtain a target inspection well three-dimensional model of each target inspection well; determining the center coordinates of pipe orifices of each target inspection well according to the three-dimensional model of each target inspection well; and determining the water flow direction of each target inspection well according to the ultrasonic frequency deviation data corresponding to the pipe orifice center coordinates of each target inspection well.
2. The method of claim 1, wherein obtaining sonar detection data for a plurality of target inspection wells using a target sonar scanning device configured with a push-up rail device, comprises: Controlling the target sonar scanning equipment to move in each target inspection well by controlling the movement of the propping-up type rod rail device; And in the process of controlling the target sonar scanning equipment to move in each target inspection well, controlling the target sonar scanning equipment to emit ultrasonic original frequency, and receiving the target ultrasonic frequency obtained by reflecting the ultrasonic original frequency in the target inspection well to obtain sonar detection data of a plurality of target inspection wells.
3. The method according to claim 1 or 2, wherein said three-dimensionally modeling said target inspection wells from said sonar detection data to obtain a target inspection well three-dimensional model for each of said target inspection wells, comprising: according to the sonar detection data, determining the propagation time of the target ultrasonic frequency corresponding to each point in each target inspection well; determining a target distance corresponding to each point location according to the propagation time and a preset propagation speed; And determining the space point cloud coordinates of each target inspection well according to each target distance, and performing three-dimensional modeling according to the space point cloud coordinates of each target inspection well to obtain the three-dimensional model of each target inspection well.
4. The method according to claim 1 or 2, wherein said determining the flow direction of each of said target inspection wells from the corresponding ultrasonic frequency offset data at the center coordinates of said nozzle of each of said target inspection wells comprises: Obtaining preset number of ultrasonic frequency offset data according to the difference between the preset number of ultrasonic original frequencies and the target ultrasonic frequencies at the center coordinates of the pipe orifice of each target inspection well; When the preset number of ultrasonic frequency offset data corresponding to the pipe orifice center coordinates of each target inspection well is positive, judging that the water flow direction of the target inspection well is flowing into the target inspection well; and when the preset number of ultrasonic frequency offset data corresponding to the pipe orifice center coordinates of each target inspection well is negative, judging that the water flow direction of the target inspection well is out of the target inspection well.
5. The method according to claim 1 or 2, characterized in that the method further comprises: Determining the elevation difference of the pipeline flowing out of the target inspection well and the pipeline flowing into the target inspection well according to the center coordinates of the pipe orifice; And if the pipeline elevation difference is larger than 0, verifying that the water flow direction of each target inspection well is judged to be correct.
6. The method according to claim 1 or 2, characterized in that the method further comprises: Dividing the water flow section of the target inspection well according to a preset width in the moving direction of the target sonar scanning equipment in the target inspection well to obtain a plurality of target layers; Acquiring a target average value of frequency offset data of a plurality of groups of ultrasonic array elements of each target layering, and acquiring preset underwater sound velocity data; Determining the water flow speed of each target layering according to the target average value of each target layering, the preset underwater sound speed data and the emission frequency of the target sonar scanning equipment; Determining the flow rate of each target layer according to the product of the water flow rate of each target layer and the cross-sectional area of the corresponding target layer; And summing the flow of the target layering to obtain the target total flow of the target inspection well.
7. An inspection shaft underwater pipeline and flow direction detection device, the device comprising: The system comprises a sonar detection unit, a sonar detection unit and a target detection unit, wherein the sonar detection unit is used for acquiring sonar detection data of a plurality of target inspection wells by using target sonar scanning equipment provided with a tight pushing type rod rail device; The three-dimensional modeling unit is used for carrying out three-dimensional modeling on the target inspection wells according to the sonar detection data to obtain a target inspection well three-dimensional model of each target inspection well; The center coordinate determining unit is used for determining the center coordinate of the pipe orifice of each target inspection well according to each target inspection well three-dimensional model; and the water flow direction determining unit is used for determining the water flow direction of each target inspection well according to the ultrasonic frequency deviation data corresponding to the pipe orifice center coordinates of each target inspection well.
8. An electronic device, comprising: A memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the manhole underwater line and flow direction detection method of any of claims 1 to 6.
9. A computer readable storage medium having stored thereon computer instructions for causing a computer to perform the manhole underwater line and flow direction detection method according to any of claims 1 to 6.
10. A computer program product comprising computer instructions for causing a computer to perform the inspection well underwater line and flow direction detection method of any of claims 1 to 6.

Description

Inspection well underwater pipeline and flow direction detection method, device, equipment and medium Technical Field The invention relates to the technical field of sonar detection, in particular to a detection method, a detection device, detection equipment and detection media for the flow direction of a submerged pipeline of an inspection well. Background The inspection well is an important structure for carrying out pipeline transportation state monitoring, problem investigation, maintenance and the like as an important node for connecting urban drainage pipelines and constructing an underground drainage network. Thus, a determination of the flow direction of the manhole water is required. In the related art, the method for determining the water flow direction of the inspection well is to visualize the water flow of the inspection well by utilizing images so as to judge the water flow direction. Disclosure of Invention The invention provides an inspection well underwater pipeline, a flow direction detection method, an inspection well underwater pipeline flow direction detection device, inspection well underwater pipeline flow direction detection equipment and a detection medium, and aims to solve the problems that the determination result of the inspection well water flow direction is inaccurate and does not accord with the actual situation caused by the inspection well water flow direction determination method in the related technology. The invention provides an inspection well underwater pipeline and a flow direction detection method, which comprise the steps of obtaining sonar detection data of a plurality of target inspection wells by using target sonar scanning equipment provided with a tightening rod rail device, controlling the target sonar scanning equipment to move in the target inspection wells, transmitting ultrasonic original frequency at the target inspection wells by the target sonar scanning equipment, receiving reflected ultrasonic frequency of the target inspection wells, carrying out three-dimensional modeling on the target inspection wells according to the sonar detection data to obtain a three-dimensional model of the target inspection well of each target inspection well, determining the center coordinates of pipe orifices of each target inspection well according to the three-dimensional model of each target inspection well, and determining the flow direction of water of each target inspection well according to ultrasonic bias data corresponding to the center coordinates of pipe orifices of each target inspection well. According to the invention, the sonar detection data of a plurality of target inspection wells are acquired by utilizing the target sonar scanning equipment provided with the push-up type rod rail device, the push-up type rod rail device is used for controlling the target sonar scanning equipment to move in the target inspection wells, the push-up type rod rail device is used for stably fixing the target sonar scanning equipment in the target inspection wells, so that the shaking and offset of the target sonar scanning equipment are avoided, and the scanning position precision and the scanning stability of the target sonar scanning equipment are ensured. According to the invention, the three-dimensional modeling is carried out on the target inspection well according to the sonar detection data, so that a three-dimensional model of the target inspection well of each target inspection well is obtained, the three-dimensional model of the target inspection well intuitively restores the internal structure information of the target inspection well, and the detection and modeling of the underwater pipeline of the inspection well are realized. According to the three-dimensional model of each target inspection well, the pipe orifice center coordinates of each target inspection well are determined, the water flow direction of each target inspection well is determined according to the ultrasonic frequency deviation data corresponding to the pipe orifice center coordinates of each target inspection well, and the water flow direction of each target inspection well is directly judged according to the ultrasonic frequency deviation data corresponding to the pipe orifice center coordinates of each target inspection well, so that the water flow direction of each target inspection well is obtained. Compared with the related art, the method and the device have the advantages that the water flow direction of the target inspection well is determined through the sonar technology, and the accuracy of the determination result of the water flow direction of the inspection well is improved. In an alternative implementation mode, the sonar detection data of a plurality of target inspection wells are obtained by using target sonar scanning equipment provided with a tight pushing type rod rail device, wherein the sonar detection data of the plurality of target inspection wells are obtained by cont