CN102748588A - Monitoring method for underground pipeline - Google Patents
Monitoring method for underground pipeline Download PDFInfo
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- CN102748588A CN102748588A CN2011101018263A CN201110101826A CN102748588A CN 102748588 A CN102748588 A CN 102748588A CN 2011101018263 A CN2011101018263 A CN 2011101018263A CN 201110101826 A CN201110101826 A CN 201110101826A CN 102748588 A CN102748588 A CN 102748588A
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Abstract
The invention discloses a monitoring method for an underground pipeline. The monitoring method comprises the following steps of: burying a plurality of relays at the near-surface positions above a pipeline and enabling one end of a relay casing to be contacted with the air to preserve a mobile phone frequency range wireless signal channel for the wireless communication between a wireless communication module in the casing and a remote terminal; transmitting a monitoring instruction by the terminal and receiving the monitoring instruction by the relay; enabling the relay to start working and reject to receive a terminal signal before finishing the work progress; transmitting an electromagnetic induction signal to each sensor pre-arranged at each position in the pipeline, entering a monitoring mode after transmitting, receiving a sensing signal from the sensor and coding by the relay; and decoding after receiving the signal and reducing the internal environment change of the pipeline sensed by a sensing element of the sensor by the terminal by the terminal. According to the monitoring method disclosed by the invention, the receiving, coding and transmitting on underground sensor information by the relay and the decoding and reducing on the information at the terminal are effectively utilized; and meanwhile, the aim of remotely monitoring information in the pipeline in real time is achieved.
Description
Technical field:
The present invention relates to civilian underground pipe network and survey and management domain especially a kind of under ground piping monitoring method.
Background technique:
Various pipelines, particularly the monitoring of water pipe fuel tube internal environment has crucial meaning, if can judge the water pipe leak location through flow monitoring, can reduce the unnecessary waste of water resources effectively; If can reveal through flow or the timely tracheae of finding of pipe internal pressure monitoring, can reduce fuel tube explosive accident, save lives effectively.
The development of pipeline field of detecting at present rests on the location technology mostly; Like GPR, low frequency electromagnetic field technology; Vibrations acoustic method, RF tag method etc. though pipeline location information can effectively be provided, can't effectively be monitored environmental condition in the pipeline.Monitoring technology is to adopt technology such as camera, laser, sonar, electromagnetism in more existing pipelines, mostly rests on discrete point and measures level, and do not realize the function of monitoring in the real-time pipeline.
Summary of the invention:
The present invention relates to a kind of method and technology of under ground piping status real time monitor, especially relate to the pipeline inner sensor and communicate by letter with the near surface repeater, and the application of repeater and terminal communication, the pipe network Intellectualized monitoring be applicable to.
The invention discloses a kind of under ground piping monitoring method, it is characterized in that, comprising:
Pre-buried step is embedded in the near surface position, top of pipeline with some repeaters, and this repeater shell one end is contacted with air, gives to reserve mobile phone frequency range wireless signal passage that wireless communication module and terminal unit carry out radio communication in the shell; When burying this repeater underground, starting its GPS module makes it receive gps coordinate to be stored in digital signal form and to call after being provided with in the repeater internal memory;
Real-time monitoring step; Received by this repeater through wireless signal by the instruction of terminal transmitting supervisory; This repeater is started working, and before accomplishing this progress of work receiving terminal signal no longer, this repeater sends electromagnetic signal and gives the sensor that respectively is preset in the pipeline everywhere; After transmission finished, it got into listen mode; Said sensor gets into working state after receiving electromagnetic signal, promptly begins the store electricity energy, and when stored energy was higher than threshold value 1, the control module in the radio frequency chip was started working, and promptly controls sense cell and gets into working state; Sense cell changes because of environment change causes its intrinsic resonance quality, and the induced signal that obtains simultaneously is by the control module record; When inductor coil store electricity energy was lower than threshold value 2 once more, radio frequency chip passed through inductor coil to repeaters transmit with the induced signal that is write down; Repeater sends to counterpart terminal through its wireless communication module together with the gps coordinate information of in storage, reading through analog-to-digital conversion and coding back after receiving induced signal;
Perception step, said terminal receive behind the signal through decoding the pipe interior environmental change of reduction sensor sensing element institute perception.
Reasonablely be, said repeater is an active equipment, and through common batteries, or the one section shell is exposed to the face of land and carries out solar recharging.
Reasonable is that said feedback signal comprises information such as frequency, amplitude, phase place.
Reasonablely be, said repeater only just gets into working state after receiving the terminal instruction, and other times are in the state of dormancy of low energy consumption.
Reasonablely be, the real-time monitoring to environment change in managing can be provided, its real-time and Remote property have greatly strengthened efficiency for monitoring, and highlight the controlled Real-time and Dynamic property that is in networking.
Reasonable is that said feedback signal is had jurisdiction under the variety classes sensor situation at certain repeater to various sensors, through realizing that setting the different eigenfrequencies of different sensors distinguishes.
Reasonablely be, said different sensors screened working principle, and repeater GPS position and standardized sensor spacing in twos, be aided with information such as amplitude, phase place again and then calculate the actual position coordinate of each sensor.
Reasonablely be; Said sensor inner inductive coil and radio frequency chip part can be carried out plastic packaging; Be used to be installed on the inner-walls of duct or be embedded in the tube wall, the sense cell part then will be exposed in the pipeline in the air with environment parameters such as perception air mass flow, pressure, temperature.
The present invention has effectively utilized reception, coding and the transmission of repeater to in-ground sensor information, and end has realized the purpose of remote real time monitoring pipe internal information simultaneously to the decoding reduction of information.
Description of drawings:
Below, with reference to accompanying drawing, for those skilled in the art that, from the detailed description to the inventive method, above-mentioned and other purposes of the present invention, feature and advantage will be obvious.
Fig. 1 (a)～(b) is a system works schematic diagram of the present invention;
Fig. 2 is the flow chart of monitoring method of the present invention;
Fig. 3 is the structured flowchart of repeater of the present invention and sensor;
Fig. 4～7 provide the schematic representation of the attached form of several kinds of sensors in pipeline.
Embodiment:
Combine accompanying drawing to carry out embodiment's description as follows.
Fig. 1 is a fundamental diagram of the present invention.Single repeater 11 can communicate with near a N sensor 12, and choosing of sensor number N will be decided according to sensor 12 spacing and the communication frequency that is adopted and the unit distance electromagnetic propagation decay that brings thereof in twos in practical application.Repeater 11 carries out radio communication with single or a plurality of terminals 13, after receiving from certain terminal 13 command signal, starts working, and in this operation cycle, no longer receives the instruction at any terminal.At all after dates of finishing the work, the perceptual signal after repeater 11 will be encoded sends to counterpart terminal, and after decoding in this terminal 13, obtains managing interior perception information.Repeater 11 place's coding rules are corresponding to 13 places, terminal decoding rule.
Fig. 1 (a) is the work schematic representation, promptly a certain repeater 11 and 12 communications of a corresponding N sensor; Fig. 1 (b) is a field case, and wherein, 3 repeater R1～R3 receive the command control at 3 terminals 13 and return counterpart terminal coding back perception information.
Fig. 2 is the construction process figure of this intelligent pipe-line system, and its corresponding step is:
Pre-buried step:
S21; When the intelligent pipe laying of the interior dress sensor 12 of a segment length; A kind of repeater 11 is embedded in the near surface position, top of this segment pipe; This repeater 11 shells (non-metal case) end is contacted with air, carry out radio communication to wireless communication module in the shell and terminal unit to reserve mobile phone frequency range wireless signal passage.
S22 starts its GPS module and makes it receive gps coordinate to be stored in digital signal form and to call after being provided with in repeater 11 internal memory when burying repeater 11 underground.This repeater 11 is an active equipment, through common batteries or solar energy charging battery (utilize the one section shell to be exposed to the face of land, can be used as the charging electroplax) electric energy is provided.
Real-time monitoring step:
S23, terminal transmitting supervisory instruction is received by repeater 11 through wireless signal, repeater 11 is started working, and before accomplishing this progress of work receiving terminal signal no longer; Repeater 11 sends electromagnetic signal through its 2nd LC tank coil and gives each sensor 12; After transmission finished, it got into listen mode;
S24; Get into working state after sensor 12 inner inductive coil (i.e. a LC vibrator circuit) receive electromagnetic signal, promptly begin the store electricity energy, when stored energy is higher than threshold value 1; Control module in the radio frequency chip is started working, and promptly controls sense cell and gets into working state;
S25, sense cell changes because of environment change causes its intrinsic resonance quality, and the induced signal that obtains simultaneously is by the control module record;
S26, when inductor coil store electricity energy was lower than threshold value 2 once more, radio frequency chip was launched through inductor coil the induced signal that is write down to repeater 11;
S27 sends to counterpart terminal through its wireless communication module together with the gps coordinate information of in storage, reading through analog-to-digital conversion and coding back behind repeater 11 received RF signals.
The perception step:
S28, the terminal receives behind the signal through using the encoding and decoding rule of appointing in advance to decode, the pipe interior environmental change of reduction sensor sensing element institute perception.Further; For different sensors; Like pressure transducer, flow transducer, temperature transducer; Decoding back data are existing survey data with the relation of information such as actual pipe internal pressure, flow, temperature, can be through the modes of look-up table or curve fitting, and the laggard line data that obtains decoding at the terminal is corresponding.Receive repeater 11 position coordinate informations simultaneously at the terminal, just realized to environmental change in the pipeline with and position information dynamically with the assurance of static two information.
The more important; At the terminal not under the situation of repeater 11 transmitting supervisories instructions; Repeater 11 is in the state of dormancy of utmost point low energy consumption, and sensor 12 does not consume energy for inactive component, only when instruction arrives repeater 11 and sensor 12 " waking up " get into working staties.
More in addition, under repeater 11 state of dormancy, passive sensor can be surveyed by similar at present general radio frequency detection system, carries out discrete point on the face of land like the detecting devices of similar 3M company and measures.At this moment, the detecting devices on the face of land communicates through the LC vibrator circuit in its built-in LC vibrator circuit and the sensor.That is to say that this passive transducer can provide position and induction tube internal information to surface exploration equipment (notice that general detection system can only detect the position at present, and can't obtain the induction tube internal information) in this case.This surface exploration equipment can be understood that " repeater that moves " visually.
The quality of the pre-buried repeater that " repeater that moves " and this patent are mainly discussed shows as: the latter provides telecontrol; Can whenever carry out unmanned monitoring operation; Help building the monitoring net, the former needs people's operational measurement on the spot, will increase simultaneously factor on the spot (like pavement behavior; Ambient weather has or not gps signal and accuracy thereof etc.) take all factors into consideration.
Fig. 4-7 is the existence form of sensor 12 at pipeline, mainly is divided into embedded and lining type.Be sheet lining type sensor (being affixed on inner-walls of duct) wherein for Fig. 4; Fig. 5 is a ring-type lining type sensor; Fig. 6 is the embedded sensor of sheet; Fig. 7 is the embedded sensor of ring-type.
It should be noted that sensor inner inductive coil and radio frequency chip part can carry out plastic packaging, be used to be installed on the inner-walls of duct or be embedded in the tube wall; The sense cell part then will be exposed in the interior air of pipeline with environment parameters such as perception air mass flow, pressure, temperature.For water pipe, the sense cell of special process encapsulation part can be stretched out and is exposed to the current from tube wall.In practical operation, to reduce as far as possible expose or fluid impact area pressure that extension bears to reduce the consume of impact force to sense cell.
Further, notice that a repeater 11 can communicate with a plurality of sensors 12 simultaneously, it distinguishes different sensors 12 transmitted breaths in the following manner:
We are made as difference with the eigenfrequency of different sensors inductor coil, in Fig. 1 instance graph, and repeater R1 and 4 sensor S1.1, S1.2, S1.3, S1.4 communicates.The eigenfrequency of the inductor coil of 4 sensors is made as f1 respectively, f2, f3, f4 just can distinguish at the repeater end so.Owing to know transducer spacing (transducer spacing is to paste the sensor standard specification according to intelligent pipe production or back to confirm in twos) in advance; Combine to receive the information such as amplitude, phase place of signal again; Know the unique coordinate in the GPS whole world of repeater simultaneously, so just can brief introduction calculate the particular location of the sensor that the interior perception information of pipe that interruptions receives is provided.
The present invention renews transformation towards new laid pipes and old pipeline, and sensor 12 is built in the tube wall or is affixed on inner-walls of duct.Laying new pipeline just lays sensing node into ground.
Fig. 3 has provided the structured flowchart of repeater 11 and sensor 12 in the said process; Wherein, Sensor 12 comprises sense cell 122, comprise control module radio frequency chip 123 and for radio frequency chip provide electric energy a LC vibrator circuit 121 (or being called inductor coil).Inductor coil 121 and radio frequency chip 123 parts can be carried out plastic packaging, are used to be installed on the inner-walls of duct or are embedded in the tube wall; Sense cell 122 parts then will be exposed in the interior air of pipeline with environment parameters such as perception air mass flow, pressure, temperature.For water pipe, the sense cell of special process encapsulation part can be stretched out and is exposed to the current from tube wall.In practical operation, to reduce as far as possible expose or fluid impact area pressure that extension bears to reduce the consume of impact force to sense cell.
The present invention has realized perception information delivering in relays to the terminal in the pipeline; Overcome high-frequency signal (being the radio communication of repeater and terminal room) because the shortcoming that huge decay can't effectively be transmitted under the underground environment; Effectively utilized reception, coding and the transmission of repeater to in-ground sensor 12 information; And end has realized the purpose of remote real time monitoring pipe internal information simultaneously to the decoding reduction of information.
The front provides the description to preferred embodiment, so that any technician in related domain can use or utilize the present invention.Various modifications to these embodiments are conspicuous to those skilled in the art, can be applied to other embodiments to total principle described here and not use creativeness.Thereby, the embodiment shown in the present invention will be not limited to here, and the wide range of principle that should disclose and new feature according to meeting here.
Claims (8)
1. a under ground piping monitoring method is characterized in that, comprising:
Pre-buried step is embedded in the near surface position, top of pipeline with some repeaters, and this repeater shell one end is contacted with air, gives to reserve mobile phone frequency range wireless signal passage that wireless communication module and terminal unit carry out radio communication in the shell; When burying this repeater underground, starting its GPS module makes it receive gps coordinate to be stored in digital signal form and to call after being provided with in the repeater internal memory;
Real-time monitoring step; Received by this repeater through wireless signal by the instruction of terminal transmitting supervisory; This repeater is started working, and before accomplishing this progress of work receiving terminal signal no longer, this repeater sends electromagnetic signal and gives the sensor that respectively is preset in the pipeline everywhere; After transmission finished, it got into listen mode; Said sensor gets into working state after receiving electromagnetic signal, promptly begins the store electricity energy, and when stored energy was higher than threshold value 1, the control module in the radio frequency chip was started working, and promptly controls sense cell and gets into working state; Sense cell changes because of environment change causes its intrinsic resonance quality, and the induced signal that obtains simultaneously is by the control module record; When inductor coil store electricity energy was lower than threshold value 2 once more, radio frequency chip passed through inductor coil to repeaters transmit with the induced signal that is write down; Repeater sends to counterpart terminal through its wireless communication module together with the gps coordinate information of in storage, reading through analog-to-digital conversion and coding back after receiving induced signal;
Perception step, said terminal receive behind the signal through decoding the pipe interior environmental change of reduction sensor sensing element institute perception.
2. a kind of under ground piping monitoring method according to claim 1 is characterized in that said repeater is an active equipment, and through common batteries, or the one section shell is exposed to the face of land and carries out solar recharging.
3. the raw sensed information in a kind of under ground piping monitoring method according to claim 1 is characterized in that said feedback signal comprises information such as frequency, amplitude, phase place.
4. a kind of under ground piping monitoring method according to claim 1 is characterized in that, said repeater only just gets into working state after receiving the terminal instruction, and other times are in the state of dormancy of low energy consumption.
5. a kind of under ground piping monitoring method according to claim 1; Its characteristics are; Real-time monitoring to environment change in managing can be provided, and its real-time and Remote property have greatly strengthened efficiency for monitoring, and highlight the controlled Real-time and Dynamic property that is in networking.
6. a kind of under ground piping monitoring method according to claim 3; Its characteristics are; Said feedback signal is had jurisdiction under the variety classes sensor situation at certain repeater to various sensors, through realizing that setting the different eigenfrequencies of different sensors distinguishes.
7. a kind of under ground piping monitoring method according to claim 6; Its characteristics are; Said to different sensors examination working principle; And repeater GPS position and standardized sensor spacing in twos, be aided with information such as amplitude, phase place again and then calculate the actual position coordinate of each sensor.
8. according to claim 6 or 7 described a kind of under ground piping monitoring method, its characteristics are,
Said sensor inner inductive coil and radio frequency chip part can be carried out plastic packaging, is used to be installed on the inner-walls of duct or is embedded in the tube wall, and the sense cell part then will be exposed in the pipeline in the air with environment parameters such as perception air mass flow, pressure, temperature.
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| CN103763004A (en) * | 2014-01-27 | 2014-04-30 | 青岛雅合阴保工程技术有限公司 | Method and system for conducting communication by means of submarine pipeline |
| CN104214521A (en) * | 2014-08-27 | 2014-12-17 | 上海云逸能源系统有限公司 | Novel pipeline and fluid conveying pipeline for seabed |
| CN104238526A (en) * | 2014-09-23 | 2014-12-24 | 成都众山科技有限公司 | Drainage system monitoring device beneficial for guaranteeing electric energy supply |
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| CN104390143A (en) * | 2014-09-23 | 2015-03-04 | 成都众山科技有限公司 | Urban water drainage system trench terminal convenient for reduction of energy consumption |
| CN105043669A (en) * | 2015-05-17 | 2015-11-11 | 沈阳建筑大学 | Remote automatic leakage detection method for underground water supply pipeline |
| CN105119621A (en) * | 2015-08-31 | 2015-12-02 | 丹阳伦图电子技术有限公司 | Integrated data transparent transmission device based on embedded script GPRS (General Packet Radio Service) module |
| CN105119619A (en) * | 2015-08-31 | 2015-12-02 | 丹阳伦图电子技术有限公司 | Integrated data transparent-transmission device based on script-embedded 3G/4G module |
| CN105333902A (en) * | 2014-08-12 | 2016-02-17 | 湖北泽捷电子科技有限公司 | Pipeline fluid monitor |
| CN106969268A (en) * | 2017-04-24 | 2017-07-21 | 彭程 | A kind of pipe network monitor system and its method |
| CN108506732A (en) * | 2018-04-25 | 2018-09-07 | 江苏太平橡胶股份有限公司 | Oil pipeline anti-leak monitors system |
| CN110131587A (en) * | 2019-04-17 | 2019-08-16 | 汉正检测技术有限公司 | A kind of pipe detection device |
| CN112014024A (en) * | 2019-05-31 | 2020-12-01 | 天津大学青岛海洋技术研究院 | Underground pipe network gas pressure detection method based on flexible sensor network |
| CN112145977A (en) * | 2020-09-16 | 2020-12-29 | 重庆元图位联科技有限公司 | Underground pipe network gas dangerous source monitoring and early warning system |
| CN112503403A (en) * | 2020-11-27 | 2021-03-16 | 国网山东省电力公司建设公司 | Underground pipe network leakage monitoring and positioning system and method |
| CN115013738A (en) * | 2022-06-09 | 2022-09-06 | 西安航天神舟建筑设计院有限公司 | Natural gas line leakage detection device |
| CN115031170A (en) * | 2022-06-30 | 2022-09-09 | 江南大学 | Mechanical pipeline damage sensor array device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103763004A (en) * | 2014-01-27 | 2014-04-30 | 青岛雅合阴保工程技术有限公司 | Method and system for conducting communication by means of submarine pipeline |
| CN105333902A (en) * | 2014-08-12 | 2016-02-17 | 湖北泽捷电子科技有限公司 | Pipeline fluid monitor |
| CN104214521A (en) * | 2014-08-27 | 2014-12-17 | 上海云逸能源系统有限公司 | Novel pipeline and fluid conveying pipeline for seabed |
| CN104390143A (en) * | 2014-09-23 | 2015-03-04 | 成都众山科技有限公司 | Urban water drainage system trench terminal convenient for reduction of energy consumption |
| CN104238526A (en) * | 2014-09-23 | 2014-12-24 | 成都众山科技有限公司 | Drainage system monitoring device beneficial for guaranteeing electric energy supply |
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| CN105043669A (en) * | 2015-05-17 | 2015-11-11 | 沈阳建筑大学 | Remote automatic leakage detection method for underground water supply pipeline |
| CN105119621A (en) * | 2015-08-31 | 2015-12-02 | 丹阳伦图电子技术有限公司 | Integrated data transparent transmission device based on embedded script GPRS (General Packet Radio Service) module |
| CN105119619A (en) * | 2015-08-31 | 2015-12-02 | 丹阳伦图电子技术有限公司 | Integrated data transparent-transmission device based on script-embedded 3G/4G module |
| CN106969268B (en) * | 2017-04-24 | 2019-04-02 | 彭程 | A kind of pipe network monitor system and its method |
| CN106969268A (en) * | 2017-04-24 | 2017-07-21 | 彭程 | A kind of pipe network monitor system and its method |
| CN108506732A (en) * | 2018-04-25 | 2018-09-07 | 江苏太平橡胶股份有限公司 | Oil pipeline anti-leak monitors system |
| CN110131587A (en) * | 2019-04-17 | 2019-08-16 | 汉正检测技术有限公司 | A kind of pipe detection device |
| CN112014024A (en) * | 2019-05-31 | 2020-12-01 | 天津大学青岛海洋技术研究院 | Underground pipe network gas pressure detection method based on flexible sensor network |
| CN112145977A (en) * | 2020-09-16 | 2020-12-29 | 重庆元图位联科技有限公司 | Underground pipe network gas dangerous source monitoring and early warning system |
| CN112503403A (en) * | 2020-11-27 | 2021-03-16 | 国网山东省电力公司建设公司 | Underground pipe network leakage monitoring and positioning system and method |
| CN115013738A (en) * | 2022-06-09 | 2022-09-06 | 西安航天神舟建筑设计院有限公司 | Natural gas line leakage detection device |
| CN115031170A (en) * | 2022-06-30 | 2022-09-09 | 江南大学 | Mechanical pipeline damage sensor array device |
| CN115031170B (en) * | 2022-06-30 | 2023-09-05 | 江南大学 | Mechanical type pipeline damage sensor array device |
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