CN103629535A - Distributed leakage detection positioning system of regional pipe network - Google Patents
Distributed leakage detection positioning system of regional pipe network Download PDFInfo
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- CN103629535A CN103629535A CN201310660253.7A CN201310660253A CN103629535A CN 103629535 A CN103629535 A CN 103629535A CN 201310660253 A CN201310660253 A CN 201310660253A CN 103629535 A CN103629535 A CN 103629535A
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Abstract
The invention discloses a distributed leakage detection positioning system of a regional pipe network. The system consists of a host machine, a plurality of data acquiring devices, a plurality of sensors and a wireless communication module, wherein the host machine is electrically connected with the wireless communication module; the wireless communication module is connected with the data acquiring devices through a wireless network; the data acquiring devices are electrically connected with the sensors correspondingly one by one; the matched data acquiring devices and sensors form sensing nodes; the sensing nodes are arranged on a monitored pipe network in a dispersing way. The invention also discloses a control method based on the system. The system has the beneficial technical effects that leaking points of the pipe network in a wide region can be detected and positioned, the real-time property is good, the setting cost of the devices is low, the leaking points are intuitively positioned, and the system is convenient to maintain and repair.
Description
Technical field
The present invention relates to a kind of pipeline leak detection technology, relate in particular to a kind of region pipeline distribution formula Leak Detection and Location System.
Background technique
Detection and location for pipe leakage point, prior art all can only position the single leak source on the single hop pipeline of certain length, as Chinese patent 96121000.1, if prior art, for the pipe network in larger regional extent being carried out to leak source when location, is existed to real-time is poor, the high defect of device setup cost.
Summary of the invention
For the problem in background technique, the present invention proposes a kind of region pipeline distribution formula Leak Detection and Location System, its structure is: described system is comprised of main frame, a plurality of data acquisition unit, a plurality of sensor and wireless communication module; Described main frame and wireless communication module electrical connection; Wireless communication module communicates to connect by wireless network and a plurality of data acquisition unit; Data acquisition unit and sensor are electrically connected correspondingly; The data acquisition unit and the sensor that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly; Sensor is for gathering the pipe vibration signal of corresponding position; Data acquisition unit is converted to wireless signal and wireless signal is sent to wireless communication module for the pipe vibration signal that sensor is collected; Wireless communication module exports main frame to after receiving the wireless signal that data acquisition unit sends and being reduced to pipe vibration signal; Main frame is used for pipe vibration signal to carry out analysing and processing, and distinguishes on the pipeline between adjacent two sensing nodes whether have leakage situation according to processing result, according to both fixed positions of sensing node, can determine the leak position of pipeline.
Preferably, the data acquisition unit on same sensing node and sensor overall package.
Based on aforementioned schemes, the invention allows for a kind of region pipeline distribution formula leakage detecting and locating method, related hardware has: main frame, a plurality of data acquisition unit, a plurality of sensor and wireless communication module; Described main frame and wireless communication module electrical connection; Wireless communication module communicates to connect by wireless network and a plurality of data acquisition unit; Data acquisition unit and sensor are electrically connected correspondingly; The data acquisition unit and the sensor that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly; Aforesaid main frame, a plurality of data acquisition unit, a plurality of sensor and wireless communication module form a set of navigation system;
Described localization method is selected an employing in following two kinds of schemes arranged side by side:
Scheme one:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Sensor is regularly sampled, and data acquisition unit is delivered to wireless communication module by sampling data transmitting, and wireless communication module exports the data that receive to main frame; Main frame judges according to sampled data whether respective sensor detects vibration, if distinguish, sensor has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor, and main frame marks out the position of respective sensor on leak source positioning map; If the sampled data of adjacent two or more sensors meets leak source oscillating signal threshold value, leak source position is on the pipeline between respective sensor, and main frame marks out the pipe network path between the position of respective sensor and respective sensor to come on leak source positioning map;
Scheme two:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Main frame regularly sends sample command to data acquisition unit by wireless communication module, the data acquisition unit that receives sample command drives respective sensor work, then data acquisition unit is delivered to wireless communication module by the sampling data transmitting collecting, and wireless communication module exports the data that receive to main frame; Main frame judges according to sampled data whether respective sensor detects vibration, if distinguish, sensor has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor, and main frame marks out the position of respective sensor on leak source positioning map; If the sampled data of adjacent two or more sensors meets leak source oscillating signal threshold value, leak source position is on the pipeline between respective sensor, and main frame marks out the pipe network path between the position of respective sensor and respective sensor to come on leak source positioning map.
Monitoring personnel only need be according to the mark on leak source positioning map, and the pipeline of corresponding respective regions overhauls.
Useful technique effect of the present invention is: can carry out detection and location to the pipe network leak source in extensive area, real-time is good, and device setup cost is low, and leak source location is directly perceived, is convenient to Maintenance and Repair.
Accompanying drawing explanation
Fig. 1, principle schematic of the present invention.
Embodiment
A region pipeline distribution formula Leak Detection and Location System, its structure is: described system is comprised of main frame 1, a plurality of data acquisition unit 2, a plurality of sensor 3 and wireless communication module 5; Described main frame 1 and wireless communication module 5 electrical connections; Wireless communication module 5 is by wireless network and 2 communication connections of a plurality of data acquisition unit; Data acquisition unit 2 is electrically connected correspondingly with sensor 3; The data acquisition unit 2 and the sensor 3 that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly;
Further, the data acquisition unit 2 on same sensing node and sensor 3 overall package.
A region pipeline distribution formula leakage detecting and locating method, its innovation is: related hardware has: main frame 1, a plurality of data acquisition unit 2, a plurality of sensor 3 and wireless communication module 5; Described main frame 1 and wireless communication module 5 electrical connections; Wireless communication module 5 is by wireless network and 2 communication connections of a plurality of data acquisition unit; Data acquisition unit 2 is electrically connected correspondingly with sensor 3; The data acquisition unit 2 and the sensor 3 that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly; Aforesaid main frame 1, a plurality of data acquisition unit 2, a plurality of sensor 3 and wireless communication module 5 form a set of navigation system;
Described localization method is selected an employing in following two kinds of schemes arranged side by side:
Scheme one:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Sensor 3 is regularly sampled, and data acquisition unit 2 is delivered to wireless communication module 5 by sampling data transmitting, and wireless communication module 5 exports the data that receive to main frame 1; Main frame 1 judges according to sampled data whether respective sensor 3 detects vibration, if distinguish, sensor 3 has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor 3 to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor 3, and main frame 1 marks out the position of respective sensor 3 on leak source positioning map; If the sampled data of adjacent two or more sensor 3 meets leak source oscillating signal threshold value, leak source position is on the pipeline between respective sensor 3, and main frame 1 marks out the pipe network path between the position of respective sensor 3 and respective sensor 3 to come on leak source positioning map;
Scheme two:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Main frame 1 regularly sends sample command to data acquisition unit 2 by wireless communication module 5, the data acquisition unit 2 that receives sample command drives respective sensor 3 work, then data acquisition unit 2 is delivered to wireless communication module 5 by the sampling data transmitting collecting, and wireless communication module 5 exports the data that receive to main frame 1; Main frame 1 judges according to sampled data whether respective sensor 3 detects vibration, if distinguish, sensor 3 has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor 3 to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor 3, and main frame 1 marks out the position of respective sensor 3 on leak source positioning map; If the sampled data of adjacent two or more sensor 3 meets leak source oscillating signal threshold value, leak source position is on the pipeline between respective sensor 3, and main frame 1 marks out the pipe network path between the position of respective sensor 3 and respective sensor 3 to come on leak source positioning map.
Claims (3)
1. a region pipeline distribution formula Leak Detection and Location System, is characterized in that: described system is comprised of main frame (1), a plurality of data acquisition unit (2), a plurality of sensor (3) and wireless communication module (5); Described main frame (1) and wireless communication module (5) electrical connection; Wireless communication module (5) is by wireless network and a plurality of data acquisition unit (2) communication connection; Data acquisition unit (2) is electrically connected correspondingly with sensor (3); The data acquisition unit (2) and the sensor (3) that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly;
Sensor (3) is for gathering the pipe vibration signal of corresponding position;
Data acquisition unit (2) is converted to wireless signal and wireless signal is sent to wireless communication module (5) for the pipe vibration signal that sensor (3) is collected;
Wireless communication module (5) exports main frame (1) to for the wireless signal that receives data acquisition unit (2) and send and after being reduced to pipe vibration signal;
Main frame (1) is for pipe vibration signal is carried out to analysing and processing, and distinguishes on the pipeline between adjacent two sensing nodes whether have leakage situation according to processing result, according to both fixed positions of sensing node, can determine the leak position of pipeline.
2. region according to claim 1 pipeline distribution formula Leak Detection and Location System, is characterized in that: the data acquisition unit on same sensing node (2) and sensor (3) overall package.
3. a region pipeline distribution formula leakage detecting and locating method, is characterized in that: related hardware has: main frame (1), a plurality of data acquisition unit (2), a plurality of sensor (3) and wireless communication module (5); Described main frame (1) and wireless communication module (5) electrical connection; Wireless communication module (5) is by wireless network and a plurality of data acquisition unit (2) communication connection; Data acquisition unit (2) is electrically connected correspondingly with sensor (3); The data acquisition unit (2) and the sensor (3) that match each other form a sensing node, and a plurality of sensing nodes are arranged on monitored pipe network dispersedly; Aforesaid main frame (1), a plurality of data acquisition unit (2), a plurality of sensor (3) and wireless communication module (5) form a set of navigation system;
Described localization method is selected an employing in following two kinds of schemes arranged side by side:
Scheme one:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Sensor (3) is regularly sampled, and data acquisition unit (2) is delivered to wireless communication module (5) by sampling data transmitting, and wireless communication module (5) exports the data that receive to main frame (1); Main frame (1) judges according to sampled data whether respective sensor (3) detects vibration, if distinguish, sensor (3) has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor (3) to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor (3), and main frame (1) marks out the position of respective sensor (3) to come on leak source positioning map; If the sampled data of adjacent two or more sensor (3) meets leak source oscillating signal threshold value, leak source position is positioned on the pipeline between respective sensor (3), and main frame (1) marks out the pipe network path between the position of respective sensor (3) and respective sensor (3) to come on leak source positioning map;
Scheme two:
According to the installation position of sensing node and pipeline distribution figure, draw the leak source positioning map of electronic edition; Main frame (1) regularly sends sample command to data acquisition unit (2) by wireless communication module (5), the data acquisition unit (2) that receives sample command drives respective sensor (3) work, then data acquisition unit (2) is delivered to wireless communication module (5) by the sampling data transmitting collecting, and wireless communication module (5) exports the data that receive to main frame (1); Main frame (1) judges according to sampled data whether respective sensor (3) detects vibration, if distinguish, sensor (3) has detected vibration, further sampled data and leak source oscillating signal threshold value is compared:
If only there is the sampled data of a sensor (3) to meet leak source oscillating signal threshold value, leak source position is positioned near respective sensor (3), and main frame (1) marks out the position of respective sensor (3) to come on leak source positioning map; If the sampled data of adjacent two or more sensor (3) meets leak source oscillating signal threshold value, leak source position is positioned on the pipeline between respective sensor (3), and main frame (1) marks out the pipe network path between the position of respective sensor (3) and respective sensor (3) to come on leak source positioning map.
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| CN105318198A (en) * | 2014-07-30 | 2016-02-10 | 中国特种设备检测研究院 | Distributed monitoring system for span section strain of long-distance pipeline and monitoring method |
| CN105605430A (en) * | 2015-12-29 | 2016-05-25 | 安徽海兴泰瑞智能科技有限公司 | Online leakage monitoring method for urban water supply pipe network |
| CN106683372A (en) * | 2016-11-23 | 2017-05-17 | 北京无线电计量测试研究所 | Underground pipeline sensing signal collecting and positioning device and system |
| CN107023755A (en) * | 2017-05-16 | 2017-08-08 | 北京化工大学 | Pipeline network leak monitoring and positioning method and system |
| CN109210386A (en) * | 2018-07-27 | 2019-01-15 | 深圳市华翌科技有限公司 | A kind of leakage detection method, electronic equipment and storage medium |
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