CN106895269A - A kind of heat supply network key node monitoring running state sensor - Google Patents
A kind of heat supply network key node monitoring running state sensor Download PDFInfo
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- CN106895269A CN106895269A CN201710210687.5A CN201710210687A CN106895269A CN 106895269 A CN106895269 A CN 106895269A CN 201710210687 A CN201710210687 A CN 201710210687A CN 106895269 A CN106895269 A CN 106895269A
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- electric resistance
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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
Abstract
The invention discloses a kind of heat supply network key node monitoring running state sensor; including cable buried pipeline, sensor firm banking, electric resistance sensor first electrode, Electrode, auxiliary electrode, temperature sensor protecting shell, reference electrode and electric resistance sensor second electrode; by using cooperatively for each sensing electrode; resistance, temperature, etch state in monitoring heat supply network key node soil environment, and judge the current running status of heat supply network key node using multi-parameter cross validation's monitoring method；When heat supply network occurs seepage, the particular location of heat supply network key node seepage can be accurately judged to, hot accident is stopped so as to avoid heat supply network large area.The present invention is a kind of new heat supply network monitoring technology, can provide certain foundation for the operation of heat supply network complete stability.
Description
Technical field：
The present invention relates to heating network operation condition monitoring device technical field, and in particular to a kind of heat supply network key node runs shape
State monitors sensor.
Background technology：
Now with the continuous improvement of rapid economic development and living standards of the people, China's major part city establishes concentration
Heating network, while municipal heating systems scale is grown year by year, heat supply network Areas benefiting from central heating are increased rapidly to 2.521 × 109m2, heat supply network
Duct length is up to 7.13 × 104km.Because the extreme natural environment residing for heat supply network laying process and pipeline causes to send out in recent years
Raw many serious heat supply network leakage accidents, tremendous influence is brought to heating enterprise and people's daily life.Can in real time, even
The state parameter of continuous monitoring heating network operation, is the key factor for ensureing the safe and reliable operation of heat supply network, therefore how to heating network operation
State carries out effective monitoring turns into the emphasis of current numerous scholar's research.Since going out from 21 century, in the world it is many country all
Carry out the research of heating network operation status monitoring, and attempt different monitoring schemes and technology, currently known heating network operation
State monitoring method is broadly divided into direct monitoring method and indirect monitoring method.Direct monitoring method using between hardware circuit to heat supply network pipe
Physical quantity in road is monitored, mainly using technologies such as magnetic flux, ultrasound and vortex.Indirect monitoring rule is using complicated mathematics mould
Type extrapolates the current running status of heat supply network, main using emissivity tracking, negative pressure wave method, pressure gradient method and quality volume
Balancing method.It is existing to there is following defect and deficiency on heating network operation status monitoring means：(1) heat supply network state in the prior art
Monitoring can not continuously, real-time monitoring heating network operation state, while monitor enforcement difficulty greatly, cost it is higher；(2) existing heat
Net key node monitoring running state lacks effective monitoring device, causes most of heat supply network not install supervising device；(3) it is existing
Heating network operation status monitoring in technology is most of to manage interior monitoring method, and heat-net-pipeline surrounding environment is not detected.
The content of the invention：
The purpose of the present invention is directed to not enough present in existing heat supply network key node operational monitoring, there is provided a kind of heat supply network
Key node monitoring running state sensor, it being capable of accurate measurements heat supply network key node running status, low cost, multi-parameter friendship
Fork contrastive detection, while heat supply network key node leakage position can be accurately positioned, it is adaptable to various buried pipeline systems.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that to realize：
A kind of heat supply network key node monitoring running state sensor, including cable buried pipeline, sensor firm banking, electricity
Resistance sensor first electrode, Electrode, auxiliary electrode, temperature sensor protecting shell, reference electrode and electric resistance sensor the
Two electrodes；Wherein,
The sensor firm banking be fixedly arranged at the front end with the electric resistance sensor first electrode, Electrode, auxiliary electrode,
Temperature sensor protecting shell, reference electrode and electric resistance sensor second electrode, the sensor firm banking rear end and cable
Buried pipeline front end is connected, and temperature sensor, the electric resistance sensor first are provided with the temperature sensor protecting shell
Temperature sensor, reference electrode and electric resistance sensor in electrode, Electrode, auxiliary electrode, temperature sensor protecting shell
Second electrode leading-out terminal is connected after signal-transmitting cable and cable buried pipeline with heat-network supervisory control system in electric successively.
The cable buried pipeline, auxiliary electrode and temperature sensor protecting shell are constituted by 304 type stainless steel materials,
The sensor firm banking uses ABS insulative type materials, the electric resistance sensor first electrode and the electricity of electric resistance sensor second
Pole is made by titanium alloy metal, and the Electrode is constituted by with heat-net-pipeline with the Q235 type carbon steel materials of material, described
Reference electrode is made up of magnesium metal, the electric resistance sensor first electrode, Electrode, auxiliary electrode, temperature sensor protecting
Shell, reference electrode and electric resistance sensor second electrode, cable buried pipeline keep dielectric relationship each other.
The sensor firm banking diameter, thickness are 5cm, a diameter of 5cm of cable buried pipeline, and length is
300cm, the temperature sensor protecting housing diameter is 7.84mm, and length is 10cm, the Electrode and auxiliary electrode machine
Tool structure is identical, and a diameter of 5.24mm, length is 10cm, the electric resistance sensor first electrode, electric resistance sensor second electrode,
Reference electrode is constituted by a diameter of 5.24mm, length for the cone structure of 10cm.
The temperature sensor protecting housing center point overlaps with sensor firm banking central point, the temperature sensor
Protection shell and Electrode are distributed in sensor firm banking central symmetry axis, and temperature sensor protecting shell and research
The distance between electrode is 1.2cm, and the reference electrode and electric resistance sensor second electrode are symmetrically distributed in sensor and fix bottom
Seat central symmetry axis two ends, and the distance between reference electrode and electric resistance sensor second electrode are 1.5cm, the resistance sensing
Device first electrode and auxiliary electrode are symmetrically distributed in sensor firm banking central symmetry axis two ends, the Electrode and auxiliary
Distance is 1.2cm between electrode, and the distance between the electric resistance sensor first electrode and Electrode are 1.2cm, described to grind
Structure distribution triangular in shape is studied carefully between electrode, auxiliary electrode, reference electrode in sensor firm banking.
Compared with prior art, the present invention has advantages below：
1st, small volume of the present invention, low cost, being easy to carry can be applied to different buried pipeline system systems, can be to one
Multiple heat supply network key node running statuses carry out real-time monitoring on bar pipeline.
2nd, the present invention monitors heat supply network key node running status using electric resistance of soil, temperature, electrochemical corrosion cross validation,
The particular geographic location of heat supply network key node leakage can be accurately positioned.
3rd, the present invention may determine that the current corrosion rate and corrosion depth of pipeline by electrochemical etching method, be heat supply network
Key node life appraisal provides certain data foundation.
4th, the present invention is carried out in real time, even using pipe external monitor method, the i.e. physical quantity to heat supply network key node surrounding environment
Continuous monitoring, the concrete condition of heat supply network key node seepage can be in time reflected when the leakage of heat supply network key node or seepage.
In sum, monitoring precision of the present invention is high, easy to use, it is specific to be accurately positioned heat supply network key node seepage
Position, it is adaptable to various buried pipeline systems.
Brief description of the drawings：
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is distribution of electrodes schematic diagram of the present invention.
Fig. 3 is annexation figure of the present invention.
Fig. 4 is inventive sensor firm banking structure chart.
Fig. 5 is cable buried pipeline structure chart of the present invention.
Fig. 6 is electric resistance of soil sensor electrode of the present invention, reference electrode structure chart.
Fig. 7 is auxiliary electrode of the present invention, Electrode structure chart.
Fig. 8 is temperature sensor protecting shell graph structure figure of the present invention.
In figure：1-cable buried pipeline；2-sensor firm banking；3-electric resistance sensor first electrode；4-research
Electrode；5-auxiliary electrode；6-temperature sensor protecting shell；7-reference electrode；8-electric resistance sensor second electrode.
Specific embodiment：
Below by drawings and Examples, technical scheme is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of heat supply network key node monitoring running state sensor of the present invention, bag
Include cable buried pipeline 1, sensor firm banking 2, electric resistance sensor first electrode 3, Electrode 4, auxiliary electrode 5, temperature
Sensor protecting case 6, reference electrode 7 and electric resistance sensor second electrode 8；Wherein, the front end of sensor firm banking 2 is consolidated
Surely there are the electric resistance sensor first electrode 3, Electrode 4, auxiliary electrode 5, temperature sensor protecting shell 6, reference electrode 7
With electric resistance sensor second electrode 8, the rear end of sensor firm banking 2 is connected with the front end of cable buried pipeline 1, the temperature
Temperature sensor, the electric resistance sensor first electrode 3, Electrode 4, auxiliary electrode are provided with degree sensor protecting case 6
5th, in temperature sensor protecting shell 6 temperature sensor, reference electrode 7 and the leading-out terminal of electric resistance sensor second electrode 8 are successively
It is connected with heat-network supervisory control system in electric after signal-transmitting cable and cable buried pipeline 1.
As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in the present embodiment, the cable buried pipeline 1, auxiliary electrode 5 and temperature
Degree sensor protecting case 6 is constituted by 304 type stainless steel materials, and the sensor firm banking 2 is using ABS insulation section bars
Material, the electric resistance sensor first electrode 3 and electric resistance sensor second electrode 8 are made by titanium alloy metal, the research electricity
Pole 4 is constituted by with heat-net-pipeline with the Q235 type carbon steel materials of material, and the reference electrode 7 is made up of magnesium metal, the resistance
Sensor first electrode 3, Electrode 4, auxiliary electrode 5, temperature sensor protecting shell 6, reference electrode 7 and electric resistance sensor
Second electrode 8, cable buried pipeline 1 keep dielectric relationship each other.
In the present embodiment, the diameter of sensor firm banking 2, thickness are 5cm, the diameter of cable buried pipeline 1
It is 5cm, length is 300cm, a diameter of 7.84mm of the temperature sensor protecting shell 6, length is 10cm, the Electrode
4 is identical with the mechanical structure of auxiliary electrode 5, and a diameter of 5.24mm, length is 10cm, the electric resistance sensor first electrode 3, resistance
Sensor second electrode 8, reference electrode 7 are constituted by a diameter of 5.24mm, length for the cone structure of 10cm.
In the present embodiment, the central point of temperature sensor protecting shell 6 overlaps with the central point of sensor firm banking 2,
The temperature sensor protecting shell 6 and Electrode 4 are distributed in the central symmetry axis of sensor firm banking 2, and temperature is passed
It is 1.2cm, the reference electrode 7 and electric resistance sensor second electrode 8 that sensor protects the distance between shell 6 and Electrode 4
The central symmetry axis two ends of sensor firm banking 2 are symmetrically distributed in, and between reference electrode 7 and electric resistance sensor second electrode 8
Distance be 1.5cm, the electric resistance sensor first electrode 3 and auxiliary electrode 5 are symmetrically distributed in the center of sensor firm banking 2
Symmetry axis two ends, between the Electrode 4 and auxiliary electrode 5 distance be 1.2cm, the electric resistance sensor first electrode 3 with
The distance between Electrode 4 is 1.2cm, structure triangular in shape between the Electrode 4, auxiliary electrode 5, reference electrode 7
It is distributed in sensor firm banking 2.
The present invention when in use, electric resistance sensor first electrode 3, Electrode 4, auxiliary electrode 5, temperature sensor is protected
Shield shell 6, reference electrode 7 and electric resistance sensor second electrode 8 are fixed on above sensor firm banking 2, and sensor fixes bottom
Seat 2 is arranged on cable buried pipeline 1, and the leading-out terminal of each electrode accesses heat supply network key node and monitors dress by cable buried pipeline 1
Put, each sensing electrode is embedded in immediately below pipeline in advance；Dutycycle 50%, 2kHz are accessed to electric resistance sensor first electrode 3,
The pulse signal of 12V, the response voltage signal of measurement electric resistance sensor second electrode 8, realizes around heat supply network key node
The measurement of electric resistance of soil size；To weak current source signal is accessed between Electrode 4 and auxiliary electrode 5, reference electrode 7 is measured
With the voltage responsive signal between Electrode 4, the corrosion depth and corrosion rate of buried pipeline are analyzed using electrochemical process；
Temperature sensor is inserted in temperature sensor protecting shell 6, heat supply network pass is measured in real time by entering heat supply network key node monitoring device
The temperature signal of key node Soil Surrounding.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (4)
1. a kind of heat supply network key node monitoring running state sensor, it is characterised in that：Including cable buried pipeline (1), sensing
Outside device firm banking (2), electric resistance sensor first electrode (3), Electrode (4), auxiliary electrode (5), temperature sensor protecting
Shell (6), reference electrode (7) and electric resistance sensor second electrode (8)；Wherein,
The sensor firm banking (2) is fixedly arranged at the front end with the electric resistance sensor first electrode (3), Electrode (4), auxiliary
Electrode (5), temperature sensor protecting shell (6), reference electrode (7) and electric resistance sensor second electrode (8), the sensor are consolidated
Determine base (2) rear end to be connected with cable buried pipeline (1) front end, temperature is provided with the temperature sensor protecting shell (6)
Sensor, the electric resistance sensor first electrode (3), Electrode (4), auxiliary electrode (5), temperature sensor protecting shell
(6) temperature sensor, reference electrode (7) and electric resistance sensor second electrode (8) leading-out terminal in are successively through signal-transmitting cable
It is connected with heat-network supervisory control system in electric afterwards with cable buried pipeline (1).
2. a kind of heat supply network key node monitoring running state sensor according to claim 1, it is characterised in that：
The cable buried pipeline (1), auxiliary electrode (5) and temperature sensor protecting shell (6) are by 304 type stainless steel materials
Composition, the sensor firm banking (2) uses ABS insulative type materials, the electric resistance sensor first electrode (3) and resistance to pass
Sensor second electrode (8) is made by titanium alloy metal, the Electrode (4) by with heat-net-pipeline with material Q235 type carbon
Steel material is constituted, and the reference electrode (7) is made up of magnesium metal, the electric resistance sensor first electrode (3), Electrode (4),
Auxiliary electrode (5), temperature sensor protecting shell (6), reference electrode (7) and electric resistance sensor second electrode (8), cable are buried
Pipeline (1) keeps dielectric relationship each other.
3. a kind of heat supply network key node monitoring running state sensor according to claim 1, it is characterised in that：
Sensor firm banking (2) diameter, thickness are 5cm, a diameter of 5cm of the cable buried pipeline (1), and length is
300cm, a diameter of 7.84mm of the temperature sensor protecting shell (6), length is 10cm, the Electrode (4) and auxiliary
Electrode (5) mechanical structure is identical, and a diameter of 5.24mm, length is 10cm, and the electric resistance sensor first electrode (3), resistance are passed
Sensor second electrode (8), reference electrode (7) are constituted by a diameter of 5.24mm, length for the cone structure of 10cm.
4. a kind of heat supply network key node monitoring running state sensor according to claim 1, it is characterised in that：
Temperature sensor protecting shell (6) central point overlaps with sensor firm banking (2) central point, the TEMP
Device protects shell (6) and Electrode (4) to be distributed in sensor firm banking (2) central symmetry axis, and temperature sensor is protected
The distance between shield shell (6) and Electrode (4) are 1.2cm, the reference electrode (7) and electric resistance sensor second electrode
(8) sensor firm banking (2) central symmetry axis two ends, and reference electrode (7) and the electricity of electric resistance sensor second are symmetrically distributed in
The distance between pole (8) is 1.5cm, and the electric resistance sensor first electrode (3) and auxiliary electrode (5) are symmetrically distributed in sensor
Firm banking (2) central symmetry axis two ends, distance is 1.2cm, the electricity between the Electrode (4) and auxiliary electrode (5)
The distance between resistance sensor first electrode (3) and Electrode (4) are 1.2cm, the Electrode (4), auxiliary electrode
(5), between reference electrode (7) structure distribution triangular in shape in sensor firm banking (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710210687.5A CN106895269B (en) | 2017-03-31 | 2017-03-31 | Heat supply network key node running state monitoring sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710210687.5A CN106895269B (en) | 2017-03-31 | 2017-03-31 | Heat supply network key node running state monitoring sensor |
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| CN106895269A true CN106895269A (en) | 2017-06-27 |
| CN106895269B CN106895269B (en) | 2023-02-24 |
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| CN201710210687.5A Active CN106895269B (en) | 2017-03-31 | 2017-03-31 | Heat supply network key node running state monitoring sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116557793A (en) * | 2023-07-10 | 2023-08-08 | 中建安装集团有限公司 | System and method for monitoring running state of heat supply pipeline integrating pressure sensing and temperature sensing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440134U (en) * | 2009-04-21 | 2010-04-21 | 华北电力科学研究院有限责任公司 | Electrochemistry measuring probe |
| CN202166122U (en) * | 2011-07-19 | 2012-03-14 | 史雪梅 | Heating station energy-saving control system |
| JP2015180856A (en) * | 2014-03-06 | 2015-10-15 | 株式会社神戸製鋼所 | Corrosion monitoring sensor, corrosion depth calculation system, and metal corrosion speed calculation system |
| CN204786737U (en) * | 2015-04-10 | 2015-11-18 | 中国华电工程(集团)有限公司 | Energy -conserving operation control system in heat supply network initial station |
| CN204924885U (en) * | 2015-06-12 | 2015-12-30 | 国网河南省电力公司检修公司 | Sensor structure that ground net etch state detected |
-
2017
- 2017-03-31 CN CN201710210687.5A patent/CN106895269B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440134U (en) * | 2009-04-21 | 2010-04-21 | 华北电力科学研究院有限责任公司 | Electrochemistry measuring probe |
| CN202166122U (en) * | 2011-07-19 | 2012-03-14 | 史雪梅 | Heating station energy-saving control system |
| JP2015180856A (en) * | 2014-03-06 | 2015-10-15 | 株式会社神戸製鋼所 | Corrosion monitoring sensor, corrosion depth calculation system, and metal corrosion speed calculation system |
| CN204786737U (en) * | 2015-04-10 | 2015-11-18 | 中国华电工程(集团)有限公司 | Energy -conserving operation control system in heat supply network initial station |
| CN204924885U (en) * | 2015-06-12 | 2015-12-30 | 国网河南省电力公司检修公司 | Sensor structure that ground net etch state detected |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116557793A (en) * | 2023-07-10 | 2023-08-08 | 中建安装集团有限公司 | System and method for monitoring running state of heat supply pipeline integrating pressure sensing and temperature sensing |
| CN116557793B (en) * | 2023-07-10 | 2023-12-05 | 中建安装集团有限公司 | System and method for monitoring running state of heat supply pipeline integrating pressure sensing and temperature sensing |
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| CN106895269B (en) | 2023-02-24 |
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