CN103344351A - Digital heating pipeline monitoring system - Google Patents
Digital heating pipeline monitoring system Download PDFInfo
- Publication number
- CN103344351A CN103344351A CN2013102367063A CN201310236706A CN103344351A CN 103344351 A CN103344351 A CN 103344351A CN 2013102367063 A CN2013102367063 A CN 2013102367063A CN 201310236706 A CN201310236706 A CN 201310236706A CN 103344351 A CN103344351 A CN 103344351A
- Authority
- CN
- China
- Prior art keywords
- temperature
- sensor
- signal
- supervisory system
- probe node
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a digital heating pipeline monitoring system which comprises an industrial control upper computer and a plurality of detection nodes. Each detection node comprises a plurality of temperature sensors and a single-chip lower computer. The industrial control upper computer and the detection node respectively comprise a set of wireless transceiver circuit. Each temperature sensor is used for detecting the temperature of a heating pipeline, and transmitting detected temperature signals to the single-chip lower computer. The single-chip lower computer conduct pre-processing on the received temperature signals, and then the detected temperature signals are transmitted to the industrial control upper computer through the wireless transceiver circuit. The industrial control upper computer receives temperature data transmitted by each detection node in real time, the temperature data are displayed onto a pipe network diagram, the temperature valve and changing valve of each sensor are recoded at the same time, internal temperature distribution profiles of the detection nodes are generated, and temperature variation comparison diagrams of the temperature sensors are generated. The digital heating pipeline monitoring system can rapidly and effectively identify fault points.
Description
Technical field
The present invention relates to a kind of pipe monitoring system, particularly relate to a kind of digitizing heat supply pipeline supervisory system of utilizing computer technology to realize.
Background technology
The general buried underground concealed work that belongs to of pipe-line construction is distributed in various places owing to accept the unit of engineering project again, and the engineering construction flow of personnel is higher, the difference of peopleware, level, and pipeline fault is difficult to avoid.Break down in case pipeline is in service, again because being difficult to the localization of faults, so the consumption manpower cost is also with considerable.
Usually be subjected to the influence from inside and outside two environment in the long defeated hot steam pipe road operational process, cause piping failure, make heat energy loss.Interior tracheal rupture mainly by carrying high temperature, hot high pressure vapour, reaches synergy formation such as pipeline internal stress; Outer tube corrosion is usually because of breakdown of coating, inefficacy, and phreatic acid, alkali and produce.Along with mainstream of society requirement energy-saving and cost-reducing, low-carbon environment-friendly, central gas supply and pipeline hot gas turn to enterprise's production gas from heating in recent years, and at present, the steam pipe system gas temperature has reached 350 ℃, pressure 1.3Mpa, and the weld fault of therefore interior pipe takes place frequently.
In recent years, along with the widespread use of computer technology with popularize, detection technique has all obtained fast development both at home and abroad, and individual layer pipeline detection technique forms two branches of the inside and outside wall detection technique of pipeline (coating detects, Intelligent Measurement) gradually.Generally the pipeline of coating damage, inefficacy place below is corroded equally; the purpose of the outer detection technique of individual layer pipeline is to detect on the basis of coating and cathodic protection validity; by the detection of digging pit; reaching the purpose that detects the body corrosion default, is highly effective for the pipe detection of present most of cloth intra-offices.The pipeline detection technology is mainly used in finding defectives such as the inside and outside burn into local deformation of pipeline and weld metal crack, also can judge the integrity of coating indirectly.
The main developing direction of present domestic foreign minister's gas pipe line corrosion control is anticorrosion aspect outside, thus pipe detection also emphasis at the holiday and the Outer Tube defective that cause because of outer corrosion.And the detection of double-deck heating pipe (referring to Fig. 1) interior conduit does not have any good way at present.
The common method of double-deck interior pipe detection mainly is by place, 50 meter one unit the gas outlet to be installed at present, in case interior tracheal rupture high-temperature steam sprays from the gas outlet by the steel pillar, therefore can determine that fault is in 50 meters unit, by reports or the full-time staff discovery trouble unit of patrolling, establishment officer's inspection of digging pit again, generally to excavate three, just can find the trouble spot everywhere, and cross ten thousand yuan for excavating with every meter construction costs of landfill, also need the approval through a plurality of departments simultaneously, be to exhaust the people and drain the treasury, the time of delaying, the heat energy loss loss that causes is also considerable.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of digitizing heat supply pipeline supervisory system.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of digitizing heat supply pipeline supervisory system, comprise Industry Control host computer and a plurality of probe node, it is characterized in that: each probe node comprises a plurality of temperature sensors and single-chip microcomputer slave computer, and wherein said Industry Control host computer and each probe node all contain a cover wireless transceiver circuit; Wherein each temperature sensor is for detection of the temperature of heat supply pipeline, and detected temperature signal is sent to the single-chip microcomputer slave computer; Described single-chip microcomputer slave computer receives the temperature signal from each described temperature sensor, then the temperature signal that receives is carried out pre-service, and the temperature data that will obtain after then will handling sends to described Industry Control host computer by described wireless transceiver circuit; Described Industry Control host computer receives the temperature data that each probe node is sent in real time, and be presented on the pipe network figure of screen, temperature value and the changing value of each sensor preserved in record simultaneously, generate temperature profile in the probe node according to these data, and each temperature sensor temperature variation comparison diagram.
Supervisory system according to technique scheme, wherein each probe node comprises that also the sensor transducer corresponding with each temperature sensor and signal amplify and change-over circuit, described sensor transducer collecting sensor data also send to signal amplification and change-over circuit, signal amplifies the temperature signal that transmits with change-over circuit reception transmitter, sends to the single-chip microcomputer slave computer after handling to the received signal, amplify and changing.
According to the supervisory system of technique scheme, wherein said signal amplifies with change-over circuit to be made up of electric bridge, low-pass filter, differential amplifier circuit, voltage-frequency converting circuit.
According to the supervisory system of technique scheme, wherein said wireless transceiver circuit is operated in ISM band.
According to the supervisory system of technique scheme, wherein wireless transceiver circuit adopts NORDIC nRF24E1 wireless chip.
According to the supervisory system of technique scheme, wherein said temperature sensor is platinum resistance thermometer sensor.
According to the supervisory system of technique scheme, wherein said platinum resistance thermometer sensor, is PT100.
According to the supervisory system of technique scheme, wherein the upper function of Industry Control utilizes the temperature spot analytic approach to determine the pipe leakage point according to the intranodal temperature profile and each the temperature sensor temperature variation comparison diagram that generate.
Digitizing heat supply pipeline supervisory system of the present invention is a kind of distribution that utilizes computer technology to realize collection, processing, storage, management, inquiry, analysis and description heat supply pipeline, and the relevant data infosystem of duty.Digitizing heat supply pipeline supervisory system has functions such as visual, the fault data inquiry of management, distribution map, fault analysis, figure of heat supply pipeline information data and analysis.Native system can form the operating efficiency height, judge the trouble spot standard that monitoring is powerful multimedia platform product in real time with the pipeline model of computer realization complexity.
Description of drawings
Fig. 1 is double-deck heating pipe organigram;
Fig. 2 is the system chart of pipe monitoring system.
Wherein each Reference numeral implication is as follows:
1: working steel tube
2: inorganic insulating layer
3: steel band
4: protective seam
5: steel sleeve
6: anticorrosive coat
The present invention is further described below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 2.This pipe monitoring system comprises Industry Control host computer and a plurality of probe node.Industry Control host computer and each probe node all contain a cover wireless transceiver circuit, have wirelessly transmitting data and forwarding capability.Every interval one preset distance arranges a probe node in heat supply pipeline, and each probe node comprises many temperature sensors and is used as the single-chip microcomputer of slave computer.In addition, each probe node also comprises be used to carrying out signal transmission and the leaflet device transmitter of handling and signal amplification and change-over circuit.Those skilled in the art can select the spacing between the spacing and each sensor between each probe node according to actual conditions, for example can per 100 meters a probe node be set, per 10 meters arrange a temperature sensor, and every node includes 10～15 temperature sensors.
The temperature sensor of native system can be various temperature sensors commonly used, for example resistance temperature detector in this area.Be preferably platinum resistance thermometer sensor,, for example platinum resistance thermometer sensor, PT100.Platinum resistance thermometer sensor, is a kind of degree of accuracy height, highly sensitive sensor, and its linear temperature resistance is better than other resistance-type thermal sensors, stable performance, the reliability height, overload capacity is strong.Wherein the measurement range of platinum resistance thermometer sensor, PT100 is 0 ℃～350 ℃, and the resolution of measurement is ± 0.1 ℃.
The measured temperature signal of temperature sensor sends the single-chip microcomputer slave computer through sensor transducer and signal amplification to change-over circuit.Sensor transducer collecting sensor data and send to that signal amplifies and change-over circuit wherein, signal amplifies the temperature signal that transmits with change-over circuit reception transmitter, sends to the single-chip microcomputer slave computer after handling to the received signal, amplify and changing.Wherein signal amplifies with change-over circuit by electric bridge, low-pass filter, differential amplifier circuit and V-F(voltage-frequency) change-over circuit forms.By voltage amplification and change-over circuit can with sensor measurement to 0 ℃～350 ℃ temperature signal change transitions become the frequency of 0～100KHz so that single-chip microcomputer directly carries out the conversion of Temperature numerical.The single-chip microcomputer of each probe node carries out the temperature data that obtains the numerical value conversion and sends to the Industry Control host computer by described wireless transceiver circuit.
In addition, too high in order to prevent hindering temperature for some reason, bring influence and damage to system, the signal line that native system uses is preferably the high temperature signal line, and is placed in the tracheae protecting pipe outside, carries out anti-corrosion measure simultaneously.
Expansion along with the development and application field of wireless network is operated in ISM(industry, science and medical science) the free free frequency range of 2.4GHz of standard, become the focus of research.For example wireless transmission protocols such as Wi-Fi, BlueTooth, Zigbee all are to be applied on the 2.4GHz frequency range, and are widely used in every field such as scientific research, family, industry, military affairs with its data transfer rate height, node characteristics such as wide that distribute.Wireless transceiver circuit module among the present invention is based on NORDIC nRF24E1 wireless chip, it is the radio receiving transmitting module of a band enhancement mode 8051 kernels, be applicable to the application scenario that various wireless devices are interconnected, work in ISM band, 125 frequencies are arranged, can realize radio communication point-to-point, point-to-multipoint, can adopt simultaneously to change frequently and frequency hopping avoids interference.This system has been widely used in collection and the processing of wireless environment parameter.Certainly, the wireless transceiver circuit module among the present invention also can adopt the wireless chip commonly used of other type.
The main effect of the Industry Control host computer among the present invention is: the temperature data that real-time reception slave computer probe node is sent, and be presented on the pipe network figure of screen.Temperature value and the changing value of each sensor preserved in record simultaneously, generates temperature profile in the probe node according to these data, and each temperature sensor temperature variation comparison diagram, and analyze the infer fault point thus, prints this probe node maintenance position job order.
Supervisory system of the present invention adopts temperature analysis method to analyze the infer fault point, and detailed process is as follows:
When leak suddenly in somewhere on the pipeline, in the leak incubation cavity, will produce transient temperature and jump, form a high temperature dot.This temperature is propagated to the gas outlet, two ends from leakage point with certain speed, and carries out the temperature damping with normal distribution, just can carry out Leak Detection according to being distributed in the form that temperature sensor in the incubation cavity captures specific transient Temperature Distribution.The mistiming and the Temperature Distribution that receive this temperature signal according to each temperature sensor just can be made leakage point.
Above-described embodiment is a kind of of preferred embodiment of the present invention, and the common variation that those skilled in the art carry out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.
Claims (8)
1. digitizing heat supply pipeline supervisory system, comprise Industry Control host computer and a plurality of probe node, it is characterized in that: each probe node comprises a plurality of temperature sensors and single-chip microcomputer slave computer, and wherein said Industry Control host computer and each probe node all contain a cover wireless transceiver circuit; Wherein
Each temperature sensor is for detection of the temperature of heat supply pipeline, and detected temperature signal is sent to the single-chip microcomputer slave computer;
Described single-chip microcomputer slave computer receives the temperature signal from each described temperature sensor, then the temperature signal that receives is carried out pre-service, and the temperature data that will obtain after then will handling sends to described Industry Control host computer by described wireless transceiver circuit;
Described Industry Control host computer receives the temperature data that each probe node is sent in real time, and be presented on the pipe network figure of screen, temperature value and the changing value of each sensor preserved in record simultaneously, generate temperature profile in the probe node according to these data, and each temperature sensor temperature variation comparison diagram.
2. supervisory system according to claim 1, wherein each probe node comprises that also the sensor transducer corresponding with each temperature sensor and signal amplify and change-over circuit, described sensor transducer collecting sensor data also send to signal amplification and change-over circuit, signal amplifies the temperature signal that transmits with change-over circuit reception transmitter, sends to the single-chip microcomputer slave computer after handling to the received signal, amplify and changing.
3. supervisory system according to claim 2, wherein said signal are amplified with change-over circuit and are made up of electric bridge, low-pass filter, differential amplifier circuit, voltage-frequency converting circuit.
4. according to any one described supervisory system among the claim 1-3, wherein said wireless transceiver circuit is operated in ISM band.
5. supervisory system according to claim 4, wherein wireless transceiver circuit adopts NORDIC nRF24E1 wireless chip.
6. supervisory system according to claim 1, wherein said temperature sensor is platinum resistance thermometer sensor.
7. supervisory system according to claim 4, wherein said platinum resistance thermometer sensor, is PT100.
8. according to any one described supervisory system among the claim 1-3, wherein the upper function of Industry Control utilizes the temperature spot analytic approach to determine the pipe leakage point according to the intranodal temperature profile and each the temperature sensor temperature variation comparison diagram that generate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236706.3A CN103344351B (en) | 2013-06-14 | 2013-06-14 | Digital heating pipeline monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236706.3A CN103344351B (en) | 2013-06-14 | 2013-06-14 | Digital heating pipeline monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103344351A true CN103344351A (en) | 2013-10-09 |
| CN103344351B CN103344351B (en) | 2015-06-24 |
Family
ID=49279167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310236706.3A Active CN103344351B (en) | 2013-06-14 | 2013-06-14 | Digital heating pipeline monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103344351B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616877A (en) * | 2013-11-27 | 2014-03-05 | 广州杰赛科技股份有限公司 | Monitoring diagnostic method and system for energy pipe network |
| CN104501992A (en) * | 2014-12-11 | 2015-04-08 | 无锡市锡容电力电器有限公司 | Reactor temperature-monitoring device for reactive compensation device |
| CN105608870A (en) * | 2015-12-31 | 2016-05-25 | 天津澳盛能源科技服务有限公司 | Leakage management system for underground pipeline |
| CN105784175A (en) * | 2016-04-26 | 2016-07-20 | 哈尔滨工程大学 | High-precision multipoint temperature measurement system based on WIFI communication |
| CN109631825A (en) * | 2018-12-27 | 2019-04-16 | 常州英集动力科技有限公司 | Heat supply pipeline displacement measurement and diagnostic system and its working method |
| CN113834530A (en) * | 2021-09-27 | 2021-12-24 | 沈阳和同科技有限公司 | Heat supply data automatic acquisition and detection system |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603814A (en) * | 2004-11-05 | 2005-04-06 | 上海奥达光电子科技有限公司 | Intelligent on-line detection system for corrosion and leakage of underground pipeline |
| CN201502870U (en) * | 2009-08-05 | 2010-06-09 | 哈尔滨理工大学 | Oil delivery pipeline leakage detecting and positioning device based on GPRS |
| CN202228931U (en) * | 2011-10-09 | 2012-05-23 | 山东建筑大学 | Heat distribution pipeline detecting system based on technology of ZigBee Internet of things |
-
2013
- 2013-06-14 CN CN201310236706.3A patent/CN103344351B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603814A (en) * | 2004-11-05 | 2005-04-06 | 上海奥达光电子科技有限公司 | Intelligent on-line detection system for corrosion and leakage of underground pipeline |
| CN201502870U (en) * | 2009-08-05 | 2010-06-09 | 哈尔滨理工大学 | Oil delivery pipeline leakage detecting and positioning device based on GPRS |
| CN202228931U (en) * | 2011-10-09 | 2012-05-23 | 山东建筑大学 | Heat distribution pipeline detecting system based on technology of ZigBee Internet of things |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616877A (en) * | 2013-11-27 | 2014-03-05 | 广州杰赛科技股份有限公司 | Monitoring diagnostic method and system for energy pipe network |
| CN103616877B (en) * | 2013-11-27 | 2017-01-25 | 广州杰赛科技股份有限公司 | Monitoring diagnostic method and system for energy pipe network |
| CN104501992A (en) * | 2014-12-11 | 2015-04-08 | 无锡市锡容电力电器有限公司 | Reactor temperature-monitoring device for reactive compensation device |
| CN105608870A (en) * | 2015-12-31 | 2016-05-25 | 天津澳盛能源科技服务有限公司 | Leakage management system for underground pipeline |
| CN105784175A (en) * | 2016-04-26 | 2016-07-20 | 哈尔滨工程大学 | High-precision multipoint temperature measurement system based on WIFI communication |
| CN109631825A (en) * | 2018-12-27 | 2019-04-16 | 常州英集动力科技有限公司 | Heat supply pipeline displacement measurement and diagnostic system and its working method |
| CN113834530A (en) * | 2021-09-27 | 2021-12-24 | 沈阳和同科技有限公司 | Heat supply data automatic acquisition and detection system |
| 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 |
| CN118034151B (en) * | 2024-03-11 | 2024-08-16 | 北京市热力集团有限责任公司 | Domestic digital urban heat supply network monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103344351B (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103344351B (en) | Digital heating pipeline monitoring system | |
| KR101079846B1 (en) | management system of Gas safety on Ubiquitous bases | |
| CN101561081B (en) | Method for detecting and positioning leakage of oil-gas pipeline by utilizing autonomous navigation robot | |
| CN105156906B (en) | A kind of natural gas intelligent remote monitoring and managing system | |
| CN106838627B (en) | A kind of multisensor heat supply network leakage warning monitoring system | |
| CN206258226U (en) | A kind of heating pipeline leakage monitoring system based on hot aqueous medium | |
| CN101398130B (en) | Monitoring system for monitoring fluid transmission pipe by prior wireless network | |
| CN103591463B (en) | The accurate positioning and monitoring method of buried carried of crude oil pipeline minute leakage and device | |
| CN105156905A (en) | Leakage monitoring system, method and device for pipeline and server | |
| CN211717716U (en) | 660MW thermal power generating unit drain valve leakage monitoring system | |
| CN107859878A (en) | A kind of monitoring system of long petroleum pipeline | |
| CN207539636U (en) | A kind of distributed pipeline state intelligent monitoring system | |
| CN104344218A (en) | Intelligent delivery pipeline with multiple integrated sensors and monitoring system | |
| CN203375178U (en) | Urban gas pipe network leakage wireless monitoring system based on acoustic emission | |
| CN106595755B (en) | The air cooler efficiency evaluation on-line monitoring system and method for large-scale petroleum chemical plant installations | |
| CN102777973A (en) | Directly buried pipeline alarm device | |
| CN112684744A (en) | Wisdom city application underground pipe gallery model monitoring and early warning system | |
| CN207145984U (en) | Water supply network actively reports leakage system | |
| CN102644849B (en) | Transmission pipeline capable of remotely monitoring leakage | |
| CN112780954A (en) | Pipe network leakage detection system of thing networking mode | |
| CN216385764U (en) | Local monitoring system for hazardous chemical substance wharf pipeline area | |
| CN114110443B (en) | Intelligent detection method for odd point characteristics of flow transmission pipeline | |
| CN103436650B (en) | Thermal load wireless detection system of high precision blast furnace and detection method thereof | |
| CN108561760A (en) | A kind of leakproof monitoring system of municipal administration heating steam pipe network | |
| CN108000558A (en) | A kind of industrial robot monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |