CN112268229A - Pipe network pipeline on-line monitoring system - Google Patents
Pipe network pipeline on-line monitoring system Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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Abstract
The invention relates to a pipeline network pipeline on-line monitoring system, which comprises an acquisition node module, a monitoring module and a monitoring module, wherein the acquisition node module comprises a sensor, a wireless transmitter and a battery; a battery provides power to the sensor and the wireless transmitter; the wireless transmitter transmits the data acquired by the sensor in a wireless mode; a wireless data acquisition unit is arranged at the acquisition node; the wireless data acquisition unit acquires data sent by the wireless transmitter and sends the acquired data to the repeater; the data are remotely and wirelessly transmitted to the data centralized controller by the plurality of relays in a sectional relay mode, and are transmitted to the Internet of things server after standardized digital processing; and the Internet of things server runs the monitoring management software, stores and operates the data, and displays the operation result on the terminal monitoring equipment. The invention realizes real-time online monitoring of the running state of the network management pipeline, realizes reliable remote wireless communication by adopting relay, and avoids the problems of large construction amount and high maintenance cost caused by communication cables.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to an online monitoring system for a pipeline of a pipeline network.
Background
The network management pipeline in the city has wide coverage, complicated pipeline and high management difficulty. At present, the management in the operation of a heating power pipe network generally adopts manual inspection, and the water leakage of a well box is discovered by steam emission through a reserved chimney after water is vaporized. The manual inspection efficiency is low, the labor intensity is high, and most importantly, all-weather real-time monitoring cannot be realized, and problems can be found in time. The problem of drainage is also solved by periodically draining the whole network section. In recent years, relevant practitioners propose to use unmanned aerial vehicle for patrol or install a large number of video probes to replace manual patrol, but the mode also cannot realize effective monitoring management on a pipe network with a very large coverage area, and the unmanned aerial vehicle for patrol cannot realize all-weather real-time monitoring. And a large number of video probes and the like are installed, so that the problems of high monitoring and operating cost and the like exist, and the conditions of the pipeline temperature and the pipeline displacement of the network management cannot be monitored in real time. In addition, in the prior art, a sensor or a video probe and the like are mostly powered by a power supply cable, and data transmission adopts signal communication cable remote communication, so that the problems of large construction amount, high maintenance cost and the like exist. With the development of the technology of the internet of things, the inventor hopes to develop a reliable, economic, real-time, accurate and quantifiable pipe network pipeline monitoring system.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings in the prior art, the present invention provides an online pipeline monitoring system, which is used for online monitoring of pipeline temperature, pipeline displacement and other conditions of a pipeline network in real time, and combined with an electronic map of the pipeline network, gives a real-time alarm when an abnormal parameter of a collection node occurs, eliminates a management blind area of pipeline remote heat transmission, and improves management efficiency. Meanwhile, the invention adopts the power supply combining the rechargeable battery and the solar energy compensation charging, and adopts a relay signal transmission mode to realize reliable remote wireless communication, thereby avoiding the problems of large construction amount and high maintenance cost caused by a power supply cable and a communication cable.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, the present invention provides an online monitoring system for a pipeline of a pipeline management system, which includes:
the system comprises an acquisition node module, a data processing module and a data processing module, wherein the acquisition node module comprises a sensor, a wireless transmitter and a battery; the battery provides electric energy for the sensor and the wireless transmitter; the wireless transmitter wirelessly transmits the data acquired by the sensor to the outside;
each acquisition node is provided with a wireless data acquisition unit; the wireless data acquisition unit acquires data sent by the wireless transmitter according to a set time interval and sends the acquired data to the repeater; the quantity of the relays is multiple, the relays transmit data in a segmented relay mode and finally send the data to the data centralized controller, and the data are subjected to standardized digital processing by the data centralized controller and then transmitted to the Internet of things server in a wireless transmission mode; and the Internet of things server runs monitoring management software, stores and calculates the data sent by the data centralized controller, and displays the calculation result on the terminal monitoring equipment through an interface of the monitoring management software.
The monitoring management software of the Internet of things server is embedded with an electronic map distributed by a pipe network, the Internet of things server runs the monitoring management software, and according to a preset data abnormity judgment rule, a collection node with abnormal data is warned on an interface of the monitoring management software by a special symbol or color to remind a manager to check and process abnormal problems in time.
According to the preferred embodiment of the present invention, the sensors in the collection node module include a temperature sensor and a displacement sensor; the temperature sensor is arranged in a pipeline surface heat preservation layer at a collection node of the pipe network and used for sensing the temperature of water vapor in the pipeline in real time, and the displacement sensor is arranged in a pipeline support at the collection node of the pipe network and used for sensing the displacement of the pipeline in real time.
According to a preferred embodiment of the present invention, the collection node module further includes a photovoltaic power generation device for supplying power to the battery of the collection node module. The sensors are all low-power consumption sensors, and the wireless transmitter is a low-power consumption wireless transmitter.
According to the preferred embodiment of the present invention, the displacement sensor is a resistive displacement sensor. The surface of the shell is anodized and is anti-corrosion, the conductive plastic measuring unit is arranged in the shell, the temperature drift is avoided, the service life is long, and the shell has an automatic electrical grounding function.
According to the preferred embodiment of the invention, when the collection node module is arranged at a well box water leakage monitoring point, the sensor is a probe type water leakage sensor; the probe type water leakage sensor is arranged at the lowest part of the well box, and can adjust the height of the water level of water leakage according to the requirement so as to achieve the best alarm opportunity.
According to the preferred embodiment of the invention, a group of wireless data collectors and repeaters are arranged near each collection node, the group of wireless data collectors and repeaters are packaged in a box body made of aluminum alloy, and the outer layer of the box body is provided with an anti-corrosion and anti-oxidation layer.
According to the preferred embodiment of the invention, a battery is further arranged in the box body to provide electric energy for the wireless data collector and the repeater.
According to the preferred embodiment of the invention, the top of the box body is provided with a photovoltaic power generation device for generating electric energy to supply to the battery in the box body. Preferably, the battery is a high capacity rechargeable lithium battery.
According to the preferred embodiment of the present invention, each wireless transmitter of the collection node module sends the data collected by the sensor to the wireless data collector near the corresponding collection node in the LORA spread spectrum communication mode.
According to a preferred embodiment of the present invention, the wireless data collector transmits to the repeaters in a LORA spread spectrum communication manner, and the repeaters realize relay transmission of data in a LORA spread spectrum communication manner and transmit the data to the data centralized controller in a LORA spread spectrum communication manner.
According to a preferred embodiment of the present invention, the box body is supported and fixed above the ground by a bracket, so that the box body is away from the ground by a certain distance to resist damage caused by human beings, pets, dirt, waterlogging and the like.
According to a preferred embodiment of the present invention, the data centralized controller has a GPRS or LORA wireless transmission module, and further includes a liquid crystal display and a control key/touch screen. The time interval for uploading the data of the acquisition nodes can be manually set by means of the control keys/the touch screen, and the display screen can display the data of each acquisition node.
According to the preferred embodiment of the present invention, the data centralized controller transmits the data to the internet of things server through GPRS.
According to the preferred embodiment of the present invention, the terminal monitoring device is at least one of a computer, a tablet computer, and a smart phone.
(III) technical scheme
The method comprises the steps that acquisition nodes are arranged at different positions of a pipe network pipeline, sensors such as a temperature sensor and a pipeline position sensor and a wireless transmitter are arranged at the acquisition nodes, and a wireless data acquisition unit is arranged near the acquisition nodes and used for acquiring data detected by the sensors according to a preset time interval and sending the data to a repeater in a wireless mode; because the coverage of heating power pipe network pipelines in cities is very wide, the wireless remote transmission difficulty is high, and the cost is high, the invention adopts a plurality of repeaters to transmit data in a segmented relay mode, and finally the data are sent to a data centralized controller, and the data are transmitted to an Internet of things server in a wireless transmission mode after being processed by the data centralized controller in a standardized and digitalized way. The Internet of things server platform runs monitoring management software, stores and operates data sent by a data centralized controller, and displays an operation result on terminal monitoring equipment through an interface of the monitoring management software, wherein an electronic map (an electronic map of a pipeline running in a city, such as a Baidu map, a Google map, a dog searching map and the like) distributed by a pipe network is embedded in the monitoring management software, the Internet of things server runs the monitoring management software, and warns an acquisition node with abnormal data on the interface of the monitoring management software by a special symbol or color according to a preset data abnormity judgment rule, so that a manager is reminded to recheck and process abnormal problems in time.
When the sensor data of the acquisition node is transmitted, the invention adopts a mode of carrying out segmented relay wireless transmission by a plurality of repeaters, thereby reducing the difficulty of remote wireless transmission, ensuring the efficiency and the reliability of information transmission, simultaneously saving the cost and the construction of laying communication cables and the like, and saving the construction cost and the maintenance cost. In addition, in the preferred embodiment of the invention, the sensor and the wireless transmitter of the collection node are low-power consumption elements, and the electric energy can be supplemented by means of a photovoltaic power generation device. The wireless data acquisition unit arranged near the acquisition node can also adopt the photovoltaic power generation device to supplement electric energy, so that the connection with commercial power is not needed, a large number of power supply cables and construction cost can be omitted, and the maintenance cost and difficulty can be reduced.
Drawings
FIG. 1 is an overall architecture block diagram of the present invention.
Fig. 2 is a schematic diagram of a wireless data collector and a repeater arranged near a collection node and packaged in an anti-corrosion aluminum alloy box.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, a block diagram of a pipe network pipeline online monitoring system 100 according to the present invention mainly includes: the system comprises a collection node module 10, a wireless data collector 20, a repeater 30, a data centralized controller 40, an internet of things server 50 and a terminal monitoring device 60.
The collection node module 10 is arranged at a collection node of a pipe network pipeline, and the collection node can be randomly selected, can also be selected according to a certain pipeline length, or can be selected at a certain special node position, such as a position with more pipe joints or the vicinity of a well box. The collection node module 10 includes a sensor 11, a wireless transmitter 12 and a battery 13. The battery 13 supplies power to the sensor 11 and the wireless transmitter 12, and the wireless transmitter 12 transmits data collected by the sensor 11 to the outside in a wireless manner. The sensors 11 include, but are not limited to, a temperature sensor 111, a displacement sensor 112, a probe-type water leakage sensor 113, and the like. Wherein, temperature sensor 111 establishes in the pipeline surface insulation layer of the collection node of pipe network for the temperature of the interior steam of real-time induction pipeline, and displacement sensor 112 establishes in the pipeline support of the collection node of pipe network, is used for the displacement volume of real-time sensing pipeline (can make the pipeline produce the displacement volume because of water pressure effect when the pipeline breaks off). The probe type water leakage sensor 113 is arranged at the bottommost part of the well box. The probe type water leakage sensor 113 is arranged at the lowest part of the well box, and the probe can adjust the height of the water leakage level according to the requirement so as to achieve the best alarm time. Preferably, each of the sensors 11 is a low power consumption sensor, and the wireless transmitter 12 is a low power consumption wireless transmitter.
The displacement sensor 112 is a resistance type displacement sensor, the effective stroke is 75mm-1250mm, the two ends of the displacement sensor are respectively provided with a 4mm buffer stroke, the precision is 0.05% -0.04% FS, the surface of the shell of the displacement sensor is subjected to anodic treatment and corrosion prevention, a conductive plastic measuring unit is arranged in the displacement sensor, the temperature drift is avoided, the service life is long, and the automatic electrical grounding function is realized. The sealing grade of the displacement sensor 112 is IP67, DIN430650 standard plug socket and pull rod ball head has 0.5mm automatic centering function, and the allowable limit movement speed is 10 m/s. The displacement sensor acquires the displacement of the pipeline mainly by collecting the displacement change value of the pressure spring, and transmits the sensing data to the wireless data collector 20.
The wireless data collector 20 is arranged near each collection node and collects the data sent by the wireless transmitter 12 in the collection node module 10 according to the preset interval time.
The repeater 30 is located near each acquisition node, or one repeater 30 is located between every few acquisition nodes. The number of the repeaters 30 may be set to be plural, and may be determined according to the area size covered by the pipe network and the total length of the pipeline, which is responsible for performing remote wireless transmission on the data in a segmented relay manner. Specifically, the wireless data collector 20 sends the collected data to a closer one of the repeaters 30, the repeater 30 sends the data to the next adjacent repeater 30, the next repeater 30 sends the data to the next adjacent repeater 30 … …, and so on, and finally sends the data to the data centralized controller 40.
The data centralized controller 40 performs standardized digital processing on the collected data signals, then transmits the data signals to the internet of things server 50 in a wireless transmission mode, the internet of things server 50 runs monitoring management software, stores and operates the data, and displays an operation result on the terminal monitoring equipment 60 through an interface of the monitoring management software, and the terminal monitoring equipment 60 comprises a computer, a mobile terminal device such as a smart phone and a tablet personal computer, and the like.
In the preferred embodiment of the present invention, a wireless data collector 20 and a repeater 30 are disposed near each collection node, that is, the data collected by the collection node module of each collection node is correspondingly sent to the wireless data collector 20, and the wireless data collector 20 correspondingly sends a repeater 30. In this way, the number of the repeaters 30 is equal to the number of the collection node modules 10, and the plurality of repeaters 30 perform relay wireless transmission on the data and finally transmit the data to the data centralized controller 40. The repeater 30 is used for wireless transmission in a segmented relay mode, so that the reliability of data signals is guaranteed, and the problems of high construction cost and maintenance cost and the like caused by the use of communication cables are solved.
As shown in fig. 2, in the preferred embodiment of the present invention, a group of wireless data collectors 20 and repeaters 30 are disposed near each collection node and are packaged in a box 90 made of aluminum alloy, and the outer layer of the box 90 has an anti-corrosion and anti-oxidation layer. The anti-corrosion and anti-oxidation layer can prevent rain, moisture, oxidation and corrosion. The anticorrosion and antioxidation layer is anticorrosive paint or a passive film formed on the surface of the aluminum alloy box body through high-temperature oxidation, and has the characteristics of corrosion resistance, oxidation resistance and rain resistance. As shown in fig. 2, the box 90 is supported and fixed above the ground by a bracket with a certain height, so that the box is away from the ground by a certain distance to resist damage caused by human beings, pets, filth, waterlogging and the like. The top of the outer side of the box body 90 is also provided with a photovoltaic power generation device 80, the photovoltaic power generation device 80 can supplement electric energy for a rechargeable battery in the box body 90, and the rechargeable battery provides electric energy for the wireless data acquisition device 20 and the repeater 30. Preferably, the rechargeable battery is a high capacity rechargeable lithium battery.
Preferably, the battery 13 page of each collection node module 10 is also a rechargeable battery, and a photovoltaic power generation device can be arranged outside the pipeline, so that the electric quantity of the battery 13 can be supplied, and the sensor 11 and the wireless transmitter 12 are prevented from being out of order due to insufficient electric power and being incapable of continuous monitoring.
Preferably, each wireless transmitter 12 of the collection node module 10 transmits the data collected by each sensor 11 to the wireless data collector 20 near the corresponding collection node in the LORA spread spectrum communication mode.
Preferably, the wireless data collector 20 transmits to the repeaters 30 in a LORA spread spectrum communication manner, and each repeater 30 realizes remote wireless relay transmission of data in a LORA spread spectrum communication manner, and finally transmits to the data centralized controller 40 in a LORA spread spectrum communication manner. The LORA spread spectrum communication technology has the characteristics of long transmission distance, low power consumption, strong penetration, diffraction and anti-interference capabilities, small attenuation in the transmission process and the like.
Preferably, the data centralized controller 40 has a GPRS or LORA wireless transmission module, and the data centralized controller 40 preferably transmits to the internet of things server 50 through GPRS. The data centralized controller 40 further includes a liquid crystal display and control keys/touch panel. The time interval for uploading the data of the collection node module 10 can be manually set by means of the control key/touch screen, and the display screen can display the data of each collection node.
An electronic map distributed by a pipe network is embedded in monitoring management software operated by the internet of things server 50, a preset data abnormity judgment rule can be input through the terminal monitoring device 60, when the monitoring management software is operated by the internet of things server 50, according to the preset data abnormity judgment rule, a collection node with abnormal data is warned on an interface of the monitoring management software by a special symbol or color, and is displayed to a manager through the monitoring terminal device 60 so as to remind the manager to recheck and process abnormal problems in time.
The pipe network pipeline online monitoring system 100 is characterized in that an ultra-low power consumption sensor is adopted for data acquisition, a wireless transmission relay technology is adopted for signal transmission, the problem of ultra-long distance real-time signal transmission is effectively solved, meanwhile, a rechargeable battery and a photovoltaic power generation electric quantity supplement scheme are combined, the power supply problem of the sensor and an instrument is solved, a large number of power supply cables and communication cables are saved, and the installation construction cost and the maintenance cost are reduced.
The pipe network pipeline online monitoring system 100 of the invention realizes real-time online monitoring, alarms in real time when data of a certain acquisition node is abnormal, and eliminates a management blind area of pipeline remote heat transmission. When special conditions (such as accidental collision of pipelines, serious drainage of pipelines, low running efficiency of a pipe network, large energy loss caused by water leakage of underground well boxes and the like) occur to the pipes of the pipe network, the problems can be timely discovered instead of the safety consequences, and the guarantee is provided for the safe running of the pipelines of the heat distribution pipe network. The online monitoring system 100 of the invention combines the electronic map of pipe network pipeline distribution/routing, collects a large amount of thermal pipeline thermal state operation historical data, provides big data for thermal state operation splitting of the pipeline, provides objective basis for safety evaluation and optimization of pipe network operation, and has important significance for safety production operation of enterprises and intelligent management of the thermal pipe network.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An online monitoring system for a pipeline of a pipeline network, comprising:
the system comprises an acquisition node module, a data processing module and a data processing module, wherein the acquisition node module comprises a sensor, a wireless transmitter and a battery; the battery provides electric energy for the sensor and the wireless transmitter; the wireless transmitter wirelessly transmits the data acquired by the sensor to the outside;
each acquisition node is provided with a wireless data acquisition unit; the wireless data acquisition unit acquires data sent by the wireless transmitter according to a set time interval and sends the acquired data to the repeater; the quantity of the relays is multiple, the relays transmit data in a segmented relay mode and finally send the data to the data centralized controller, and the data are subjected to standardized digital processing by the data centralized controller and then transmitted to the Internet of things server in a wireless transmission mode; and the Internet of things server runs monitoring management software, stores and calculates the data sent by the data centralized controller, and displays the calculation result on the terminal monitoring equipment through an interface of the monitoring management software.
2. The pipe network pipeline online monitoring system of claim 1, wherein an electronic map of pipe network distribution is embedded in the monitoring management software of the internet of things server, the internet of things server runs the monitoring management software, and according to a preset data anomaly judgment rule, a collection node with data anomaly is warned with a special symbol or color on an interface of the monitoring management software to remind a manager to check and process the anomaly problem in time.
3. The pipe network pipeline online monitoring system of claim 1, wherein the sensors in the collection node modules comprise temperature sensors and displacement sensors; the temperature sensor is arranged in a pipeline surface heat preservation layer at a collection node of the pipe network and used for sensing the temperature of water vapor in the pipeline in real time, and the displacement sensor is arranged in a pipeline support at the collection node of the pipe network and used for sensing the displacement of the pipeline in real time.
4. The pipe network pipeline online monitoring system of claim 3, wherein the collection node module further comprises a photovoltaic power generation device for supplying electric quantity to the battery of the collection node module.
5. The pipe network pipeline on-line monitoring system of claim 3, wherein the displacement sensor is a resistance type displacement sensor.
6. The pipe network pipeline online monitoring system of claim 1, wherein when the collection node module is disposed at a well box water leakage monitoring point, the sensor is a probe type water leakage sensor; the probe type water leakage sensor is arranged at the bottom of the well box and can adjust the height of the water level of water leakage according to requirements so as to achieve the best alarm opportunity.
7. The pipe network pipeline online monitoring system of claim 1, wherein a group of wireless data collectors and repeaters are arranged near each collection node, the group of wireless data collectors and repeaters are packaged in a box body made of aluminum alloy, and an anticorrosive and oxidation-resistant layer is arranged on the outer layer of the box body.
8. The pipe network pipeline online monitoring system of claim 7, wherein a battery is further arranged in the box body to provide electric energy for the wireless data collector and the repeater; and the top of the box body is provided with a photovoltaic power generation device for generating electric energy to supply to the battery in the box body.
9. The pipe network pipeline online monitoring system of claim 1, wherein each wireless transmitter of the collection node module sends data collected by a sensor to a wireless data collector near a corresponding collection node in a LORA spread spectrum communication manner; the wireless data acquisition unit transmits the data to the repeaters in an LORA spread spectrum communication mode, realizes relay transmission of the data among the repeaters in the LORA spread spectrum communication mode, and transmits the data to the data centralized controller in the LORA spread spectrum communication mode.
10. The pipe network pipeline online monitoring system of claim 1, wherein the data centralized controller has a GPRS or LORA wireless transmission module, and further comprises a liquid crystal display and a control key/touch screen; the terminal monitoring equipment is at least one of a computer, a tablet computer and a smart phone.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551628A (en) * | 2021-07-22 | 2021-10-26 | 山西暖芯科技有限公司 | Pipe network displacement online monitoring gateway with measurement function and use method thereof |
| CN118034151A (en) * | 2024-03-11 | 2024-05-14 | 北京市热力集团有限责任公司 | Domestic digital urban heat supply network monitoring system |
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