CN205090197U - Leak detection system and monitoring facilities of pipeline - Google Patents
Leak detection system and monitoring facilities of pipeline Download PDFInfo
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- CN205090197U CN205090197U CN201520566913.XU CN201520566913U CN205090197U CN 205090197 U CN205090197 U CN 205090197U CN 201520566913 U CN201520566913 U CN 201520566913U CN 205090197 U CN205090197 U CN 205090197U
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Abstract
The utility model relates to a leak detection system and monitoring facilities of pipeline. This monitoring facilities includes data acquisition module for acquire inferior acoustic signals, pressure, temperature and flow data in the pipeline, data processing module for carry out infrasound leak testing according to inferior acoustic signals and take place constantly with leaking with the leakage state that reachs the pipeline, carry out rarefaction wave leak testing according to pressure, temperature data and take place constantly and carry out the leakage state of flow balance leak testing in order to reach the pipeline according to flow data with leakage state and the leakage that reachs the pipeline, the data output module for the leakage emergence moment to the server that the leakage takes place constantly and/or the detection reachs according to inferior acoustic signals that the inferior acoustic signals detection of output basis reach. The utility model discloses fuse infrasound, rarefaction wave, three kinds of leak detection methods of flow balance in the leak detection of an organic whole equipment, can reach various methods and complement one another, improve the warning rate of leaking, reduce misstatement rate and rate of failing to report.
Description
Technical field
The utility model relates to monitoring leak from oil gas pipe technical field, particularly relates to a kind of leakage monitoring system and monitoring equipment of pipeline.
Background technique
The extensive investment construction of the oil and gas pipes brought along with China's rapid economic development, oil and gas pipeline leakage, blocking, defect problem are day by day serious, current oil field at home long distance oil pipeline does not mostly install Leakage Detection system, main by manually making an inspection tour along pipeline, pipeline performance data read by artificial, and this situation is very unfavorable to the safe operation of pipeline.According to estimates, the output value of monitoring leak from oil gas pipe, detection system light product itself just will close to 1, and 00,000,000,000.Over the long term, line leakage industry is except needing more reliable, more effective technological means, product itself to ensure real-time, accuracy, the validity of leakage monitoring, and high position precision and low rate of false alarm etc., more Local Service and analysis experts also needing long-term high-quality.
Along with time history, also increasing pipe leakage supervisory device is had to be applied to domestic pipeline leakage monitoring market in recent years, and whether the monitoring kind equipment on market is all generally monitor pipeline based on single negative pressure wave method or infrasonic wave method or discharge method to leak, whether negative pressure wave method and infrasonic wave method can monitor pipeline and occur to leak and leak the moment occurs, and the method error of negative pressure wave method monitoring is larger, flow monitoring method only can monitor pipeline whether occur leakage can not monitoring leakage occur the moment, so general lower based on the leakage alarm rate of existing leakage detection equipment, rate of false alarm and rate of failing to report higher, and it is high in the urgent need to a kind of leakage alarm rate on market, rate of false alarm and the low leakage monitoring equipment of rate of failing to report, more need a kind of leakage monitoring method and system thereof that pipeline section position, leakage point place can occur can orient more fast and accurately when leaking at pipeline.
Model utility content
The purpose of this utility model is intended to solve that the leakage alarm rate that existing line leakage equipment exists is low, rate of false alarm and the higher problem of rate of failing to report, and existing pipeline leakage monitor at pipeline, the problem orienting pipeline section position, leakage point place when leaking in time fast and accurately cannot occur, thus provide a kind of leakage monitoring system and monitoring equipment of pipeline.
In first aspect, the utility model provides a kind of leakage monitoring equipment.This equipment comprises: for obtaining the data acquisition module of infrasonic wave signal, pressure, temperature and data on flows in pipeline; Be connected with described data acquisition module, for carrying out infrasonic wave Leak testtion according to infrasonic wave signal to draw the leak condition of pipeline and to leak the generation moment, carry out suction wave Leak testtion to draw the leak condition of pipeline and to leak the generation moment according to pressure, temperature data, and carry out flow equilibrium Leak testtion to draw the data processing module of the leak condition of pipeline according to data on flows; Be connected with described data processing module, the moment occur for exporting the leakage drawn according to infrasonic wave input and/or according to the leakage that infrasonic wave input draws, the data outputting module of moment to server occurs.
Preferably, described leakage monitoring equipment also comprises the infrasonic wave Signal-regulated kinase be connected respectively with described data acquisition module and described data processing module, for being carried out by the infrasonic wave signal of acquisition amplifying, filtering and analog-to-digital conversion process.
Further preferably, described infrasonic wave signal processing module is also connected with GPS module, and described GPS module to obtain the time signal of standard from satellite for receiving gps antenna.
Preferably, described leakage monitoring equipment also comprises power supply module, and it is connected with described data processing module, for powering to described leakage monitoring equipment.
Further preferably, described power supply module comprises solar module and storage battery, converts solar energy to power storage in described storage battery by described solar module.
In second aspect, the utility model provides a kind of line leakage system.This system comprises two leakage monitoring equipment as described above.
Preferably, described line leakage system also comprises server, pipeline, two Pressure/Temperature/flow data collector devices and two infrasonic sensors, described two infrasonic sensors are connected on the two ends of described pipeline respectively, for the infrasonic wave Signal transmissions extremely connected leakage monitoring equipment that will obtain separately; Described two Pressure/Temperatures/flow data collector device respectively with described two leakage monitoring equipment connections, temperature, pressure and data on flows for being obtained transfer to connected leakage monitoring equipment; Described two leakage monitoring equipment are connected with described server respectively, for carrying out Leak testtion according to the infrasonic wave obtained, temperature, pressure and data on flows to obtain the leak condition of pipeline and to leak the generation moment; Described server, carries out for there is the moment according to the leakage of described two leakage monitoring Equipment Inspections the concrete leak position calculating to draw pipeline.
The beneficial effects of the utility model: by merging infrasonic wave, suction wave, flow equilibrium three kinds of leakage monitoring methods in the leakage monitoring equipment of one, various method can be reached and complement one another, improve leakage alarm rate, reduce rate of false alarm and rate of failing to report.Can occur to orient pipeline section position, leakage point place in time fast and accurately when leaking at pipeline by the line leakage system formed based on two leakage monitoring equipment and server, can reduce costs, can workload be reduced again, the fields such as the leakage monitoring of petroleum pipeline, natural gas line and multiphase transportation pipeline can be widely used in.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the line leakage equipment according to the utility model embodiment;
Fig. 2 is the structured flowchart of the server of pipe leakage point location according to the utility model embodiment;
Fig. 3 is the line leakage system architecture diagram according to the utility model embodiment;
Fig. 4 is the method flow diagram carrying out Monitoring Pinpelines according to the leakage monitoring equipment of the utility model embodiment; And
Fig. 5 is the method flow diagram carrying out pipe leakage point location according to the server of the utility model embodiment based on leakage monitoring equipment.
Embodiment
Technological scheme in the utility model embodiment is better understood in order to make those skilled in the art person, and enable the above-mentioned purpose of the utility model embodiment, feature and advantage become apparent more, below by drawings and Examples, the technical solution of the utility model is described in further detail.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structured flowchart of the line leakage equipment according to the utility model embodiment.
As shown in Figure 1, comprise according to the line leakage equipment of the utility model embodiment: data acquisition module, infrasonic wave Signal-regulated kinase, GPS module, data processing module, data outputting module, power supply module.
Data acquisition module is connected with infrasonic wave Signal-regulated kinase, its primary responsibility gathers the signal data in pipeline, data acquisition module is divided into infrasonic wave signal acquisition module, Pressure/Temperature data acquisition module and data on flows acquisition module, infrasonic wave signal acquisition module is used for obtaining infrasonic wave signal, Pressure/Temperature data module is used for obtaining pressure, temperature data, and data on flows acquisition module is used for obtaining data on flows.Wherein, infrasonic wave signal acquisition module is specially infrasonic sensor interface, can external infrasonic sensor the infrasonic wave signal of infrasonic sensor collection is sent to data processing module; Pressure/Temperature data module is specially Pressure/Temperature data transmission network interface, can external Pressure/Temperature/flow data collector device (SCADA system or RTU/PRC equipment) the temperature of SCADA system or the collection of RTU/PRC equipment, pressure data are sent to data processing module; Data on flows acquisition module is specially data on flows and exports network interface, can external Pressure/Temperature/flow data collector device (SCADA system or RTU/PRC equipment) the data on flows of SCADA system or the collection of RTU/PRC equipment is sent to data processing module.
GPS module connects with infrasonic wave Signal-regulated kinase, is responsible for receiving gps antenna and obtains the time signal of standard from satellite and be sent to infrasonic wave Signal-regulated kinase.
Infrasonic wave Signal-regulated kinase is specially a hardware board, it also connects with data processing module, primary responsibility carries out filtering to the infrasonic wave signal that infrasonic wave signal acquisition module in above-mentioned data acquisition module obtains, amplification processes and changes into digital signal, also carries out infrasonic wave waveform GPS time service process simultaneously.
Data processing module is also connected with data on flows acquisition module with the Pressure/Temperature data acquisition module in data acquisition module with data outputting module respectively, the data on flows that pressure, temperature data and data on flows acquisition module that the infrasonic wave signal that primary responsibility reception infrasonic wave Signal-regulated kinase exports, Pressure/Temperature data acquisition module send send, and there is the moment through the leakage of data processing module process gained in responsible output.Wherein, data processing module is mainly divided into infrasonic wave puocessing module, suction wave puocessing module and flow equilibrium puocessing module.Infrasonic wave puocessing module primary responsibility carries out infrasonic wave Leak testtion to draw the leak condition of pipeline and to leak the generation moment according to infrasonic wave signal, and suction wave puocessing module primary responsibility carries out suction wave Leak testtion to draw the leak condition of pipeline and to leak the generation moment according to pressure, temperature data.Whether infrasonic wave puocessing module and suction wave puocessing module are all first carry out leaking occurring, if occur, determine further to leak the generation moment.And flow equilibrium puocessing module primary responsibility carries out flow equilibrium Leak testtion to draw the leak condition of pipeline according to data on flows, three modules complement each other, and complement one another to reach various method, improve leakage alarm rate, reduce rate of false alarm and rate of failing to report.
Data outputting module exports the leakage drawn according to infrasonic wave input and the moment occurs and/or according to the leakage that infrasonic wave input draws, occurs the moment.Data outputting module specifically can be data and exports network interface, by connected with network cable, data number is reached server.Certain data outputting module can be also wireless communication module, sends data to server by wireless network.
Power supply module connects with data processing module, and primary responsibility provides electric power to whole leakage monitoring equipment.Power supply module comprises storage battery and connected solar-electricity board component.When the application scenarios of the program providing power supply for not possessing when the installation environment of leakage monitoring equipment, can be converted solar energy into electrical energy by solar-electricity board component and be stored in storage battery.
Fig. 2 is the structured flowchart of the server of pipe leakage point location according to the utility model embodiment.
As shown in Figure 2, data reception module and processor is comprised according to the server of the utility model embodiment.Data reception module is used for receiving the leakage monitoring equipment that is positioned at pipeline head end to carry out according to infrasonic wave signal pipe leakage that infrasonic wave Leak testtion draws and moment t1 occurs and/or carries out according to pressure, temperature data the pipe leakage that suction wave Leak testtion draws moment t2 occurs, and/or receives the leakage monitoring equipment that is positioned at pipeline tail end and carry out according to infrasonic wave signal pipe leakage that infrasonic wave Leak testtion draws and moment t3 occurs and/or carries out according to pressure, temperature data the pipe leakage that suction wave Leak testtion draws moment t4 occurs.
Processor connects with data reception module, and primary responsibility calculates the concrete leak position of pipeline according to the pipe leakage generation moment value received.Particularly, processor by the pipe leakage generation moment value t1 that receives and t3, can substitute into infrasonic wave method leak point positioning formula
in, and/or t2 and t4 is substituted into negative pressure wave method leak point positioning formula
calculate the concrete leak position of pipeline, wherein, L is the duct length between head end leakage monitoring equipment and tail end leakage monitoring equipment, and v is pipeline medium sonic transmissions speed, and X is the distance between leakage point and tail end leakage monitoring equipment.Obviously according to the concrete leakage point judging pipeline based on negative pressure wave method of the utility model embodiment, also the concrete leakage point of pipeline can be judged based on infrasonic wave method, and these two kinds of leakage points calculated may be same points, may there is deviation is not same point, calculates by two groups of data the position that leakage point can judge leakage point more accurately yet.
Fig. 3 is the line leakage system architecture diagram according to the utility model embodiment.
As shown in Figure 3, leakage monitoring equipment as described above and server and pipeline, infrasonic sensor, Pressure/Temperature/flow data collector device is comprised according to the line leakage system of the utility model embodiment.
Leakage monitoring equipment in the present embodiment comprises two, infrasonic sensor comprises two, two sensors are arranged on head end and the tail end of pipeline respectively, head end infrasonic sensor and a leakage monitoring equipment connection, tail end infrasonic sensor and a leakage monitoring equipment connection, in the pipeline monitored respectively, infrasonic wave signal is sent in the leakage monitoring equipment of connection separately.Pressure/Temperature/two, flow data collector device can be SCADA system or RTU/PRC equipment.Respectively with two leakage monitoring equipment connections, and the pressure gathered separately respectively, temperature, data on flows are sent in the respective leakage monitoring equipment connected.Server connects above-mentioned two leakage monitoring equipment respectively, there is according to the leakage that two leakage monitoring equipment send the leakage point that the moment calculates pipeline, namely calculate leakage point according to the time difference of leaking infrasonic wave or pressure wave arrival pipeline two the leakage monitoring equipment produced.
Fig. 4 is the method flow diagram carrying out Monitoring Pinpelines according to the leakage monitoring equipment of the utility model embodiment.
In step 401, infrasonic wave signal, pressure, temperature and the data on flows in pipeline is obtained.
In step 402, infrasonic wave Leak testtion is carried out to draw the leak condition of pipeline and to leak the generation moment according to the infrasonic wave signal in step 401, carry out suction wave Leak testtion to draw the leak condition of pipeline and to leak the generation moment according to the pressure in step 401, temperature data, carry out flow equilibrium Leak testtion to draw the leak condition of pipeline according to the data on flows in step 401.
In step 403, export the leakage drawn according to infrasonic wave input in step 402 moment to occur and/or occurs to server the moment according to the leakage that infrasonic wave input draws.
Fig. 5 is the method flow diagram carrying out pipe leakage point location according to the server of the utility model embodiment based on leakage monitoring equipment.
In step 501, receive the leakage monitoring equipment that is positioned at pipeline head end to carry out according to infrasonic wave signal pipe leakage that infrasonic wave Leak testtion draws and moment t1 occurs and/or carries out according to pressure, temperature data the pipe leakage that suction wave Leak testtion draws moment t2 occurs, and/or the leakage monitoring equipment being positioned at pipeline tail end carries out according to infrasonic wave signal pipe leakage that infrasonic wave Leak testtion draws and moment t3 occurs and/or carries out according to pressure, temperature data the pipe leakage that suction wave Leak testtion draws moment t4 occurs.
In step 502, the concrete leak position of pipeline is calculated according to the pipe leakage generation moment value received in step 501.
Specifically comprise: the pipe leakage generation moment value received is substituted into infrasonic wave method leak point positioning formula
and/or negative pressure wave method leak point positioning formula
calculate the concrete leak position of pipeline, wherein, L is the duct length between described head end leakage monitoring equipment and described tail end leakage monitoring equipment, and v is pipeline medium sonic transmissions speed, and X is the distance between leakage point and described tail end leakage monitoring equipment.
As mentioned above, the utility model can be used to solve the problem that leakage alarm rate is low, rate of false alarm is higher with rate of failing to report that existing line leakage equipment exists, and existing pipeline leakage monitor cannot orient the problem of pipeline section position, leakage point place in time fast and accurately when leakage occurs pipeline.By merging infrasonic wave, suction wave, flow equilibrium three kinds of leakage monitoring methods in the leakage monitoring equipment of one, various method can be reached and complement one another, improve leakage alarm rate, reduce rate of false alarm and rate of failing to report.Can occur to orient pipeline section position, leakage point place in time fast and accurately when leaking at pipeline by the line leakage system formed based on two leakage monitoring equipment and server, can reduce costs, can workload be reduced again, the fields such as the leakage monitoring of petroleum pipeline, natural gas line and multiphase transportation pipeline can be widely used in.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a leakage monitoring equipment, is characterized in that, comprising:
For obtaining the data acquisition module of infrasonic wave signal, pressure, temperature and data on flows in pipeline;
Be connected with described data acquisition module, for carrying out infrasonic wave Leak testtion according to infrasonic wave signal to draw the leak condition of pipeline and to leak the generation moment, carry out suction wave Leak testtion to draw the leak condition of pipeline and to leak the generation moment according to pressure, temperature data, and carry out flow equilibrium Leak testtion to draw the data processing module of the leak condition of pipeline according to data on flows;
Be connected with described data processing module, the moment occur for exporting the leakage drawn according to infrasonic wave input and/or according to the leakage that infrasonic wave input draws, the data outputting module of moment to server occurs.
2. leakage monitoring equipment according to claim 1, it is characterized in that, also comprise the infrasonic wave Signal-regulated kinase be connected respectively with described data acquisition module and described data processing module, for being carried out by the infrasonic wave signal of acquisition amplifying, filtering and analog-to-digital conversion process.
3. leakage monitoring equipment according to claim 2, is characterized in that, described infrasonic wave signal processing module is also connected with GPS module, and described GPS module to obtain the time signal of standard from satellite for receiving gps antenna.
4. leakage monitoring equipment according to claim 1, is characterized in that, also comprise power supply module, and it is connected with described data processing module, for powering to described leakage monitoring equipment.
5. leakage monitoring equipment according to claim 4, is characterized in that, described power supply module comprises solar module and storage battery, converts solar energy to power storage in described storage battery by described solar module.
6. line leakage system, is characterized in that, comprises two leakage monitoring equipment as claimed in claim 1.
7. line leakage system according to claim 6, is characterized in that, also comprises server, pipeline, two Pressure/Temperature/flow data collector devices and two infrasonic sensors,
Described two infrasonic sensors are connected on the two ends of described pipeline respectively, for the infrasonic wave Signal transmissions extremely connected leakage monitoring equipment that will obtain separately;
Described two Pressure/Temperatures/flow data collector device respectively with described two leakage monitoring equipment connections, temperature, pressure and data on flows for being obtained transfer to connected leakage monitoring equipment;
Described two leakage monitoring equipment are connected with described server respectively, for carrying out Leak testtion according to the infrasonic wave obtained, temperature, pressure and data on flows to obtain the leak condition of pipeline and to leak the generation moment;
Described server, carries out for there is the moment according to the leakage of described two leakage monitoring Equipment Inspections the concrete leak position calculating to draw pipeline.
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| CN105156905A (en) * | 2015-07-09 | 2015-12-16 | 南京声宏毅霆网络科技有限公司 | Leakage monitoring system, method and device for pipeline and server |
| CN105927863A (en) * | 2016-05-07 | 2016-09-07 | 大连理工大学 | DMA zone pipe network leakage online detecting and positioning system and detecting and positioning method thereof |
| CN106015949A (en) * | 2016-05-30 | 2016-10-12 | 北京中计新业科技发展有限公司 | Sound wave pipeline leakage monitoring system |
| CN106090631A (en) * | 2016-08-17 | 2016-11-09 | 渤海大学 | A kind of long oil pipeline road leak detecting device and detection method |
| CN106090629A (en) * | 2016-06-15 | 2016-11-09 | 中冶南方工程技术有限公司 | Urban Underground piping lane water supply line leak detection system and method |
| CN106352243A (en) * | 2016-10-20 | 2017-01-25 | 山东科技大学 | Gas transmission pipeline leakage detection system based on acoustic method |
| CN109783972A (en) * | 2019-01-30 | 2019-05-21 | 河北工业大学 | Monitoring method based on the internal drainage of check valve leakage current amount that wind-structure interaction calculates |
| CN111879479A (en) * | 2020-07-08 | 2020-11-03 | 中国石油天然气集团有限公司 | Micro-leakage signal monitoring system and method for non-Gaussian noise environment of gas gathering and transmission pipeline |
| CN114414164A (en) * | 2021-12-21 | 2022-04-29 | 山东科技大学 | Pipeline leakage monitoring method and system |
| CN115388343A (en) * | 2022-10-12 | 2022-11-25 | 广东海洋大学 | Efficient method and system for detecting and positioning leakage of marine oil and gas pipeline |
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| CN105156905A (en) * | 2015-07-09 | 2015-12-16 | 南京声宏毅霆网络科技有限公司 | Leakage monitoring system, method and device for pipeline and server |
| CN105927863A (en) * | 2016-05-07 | 2016-09-07 | 大连理工大学 | DMA zone pipe network leakage online detecting and positioning system and detecting and positioning method thereof |
| CN105927863B (en) * | 2016-05-07 | 2018-06-29 | 大连理工大学 | DMA subregions pipeline network leak on-line checking alignment system and its detection localization method |
| CN106015949B (en) * | 2016-05-30 | 2018-03-09 | 北京中计新业科技发展有限公司 | A kind of sound wave line leakage system |
| CN106015949A (en) * | 2016-05-30 | 2016-10-12 | 北京中计新业科技发展有限公司 | Sound wave pipeline leakage monitoring system |
| CN106090629A (en) * | 2016-06-15 | 2016-11-09 | 中冶南方工程技术有限公司 | Urban Underground piping lane water supply line leak detection system and method |
| CN106090631A (en) * | 2016-08-17 | 2016-11-09 | 渤海大学 | A kind of long oil pipeline road leak detecting device and detection method |
| CN106352243A (en) * | 2016-10-20 | 2017-01-25 | 山东科技大学 | Gas transmission pipeline leakage detection system based on acoustic method |
| CN109783972A (en) * | 2019-01-30 | 2019-05-21 | 河北工业大学 | Monitoring method based on the internal drainage of check valve leakage current amount that wind-structure interaction calculates |
| CN109783972B (en) * | 2019-01-30 | 2022-11-08 | 河北工业大学 | Method for monitoring leakage flow in check valve based on fluid-solid coupling analysis and calculation |
| CN111879479A (en) * | 2020-07-08 | 2020-11-03 | 中国石油天然气集团有限公司 | Micro-leakage signal monitoring system and method for non-Gaussian noise environment of gas gathering and transmission pipeline |
| CN111879479B (en) * | 2020-07-08 | 2022-11-01 | 中国石油天然气集团有限公司 | Micro-leakage signal monitoring system and method for non-Gaussian noise environment of gas collecting and conveying pipeline |
| CN114414164A (en) * | 2021-12-21 | 2022-04-29 | 山东科技大学 | Pipeline leakage monitoring method and system |
| CN115388343A (en) * | 2022-10-12 | 2022-11-25 | 广东海洋大学 | Efficient method and system for detecting and positioning leakage of marine oil and gas pipeline |
| CN115388343B (en) * | 2022-10-12 | 2024-04-16 | 广东海洋大学 | Efficient marine oil and gas pipeline leakage detection and positioning method and system |
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Effective date of registration: 20190621 Address after: 210000 Beidou Building, No. 6 Huida Road, Nanjing High-tech Zone, Jiangsu Province, 16th Floor Patentee after: JIANGSU HI-TARGET OCEAN INFORMATION TECHNOLOGY CO., LTD. Address before: 211106 37 general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANTONG SHENGHONG YITING NETWORK TECHNOLOGY CO., LTD. |