CN206682614U - 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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- CN206682614U CN206682614U CN201720335650.0U CN201720335650U CN206682614U CN 206682614 U CN206682614 U CN 206682614U CN 201720335650 U CN201720335650 U CN 201720335650U CN 206682614 U CN206682614 U CN 206682614U
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- supply network
- heat supply
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Abstract
The utility model 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; pass through being used cooperatively for each sensing electrode; resistance, temperature, the etch state in heat supply network key node soil environment are monitored, and judges the current running status of heat supply network key node using multi-parameter cross validation's monitoring method；When seepage occurs for heat supply network, the particular location of heat supply network key node seepage can be accurately judged to, stops hot accident so as to avoid heat supply network large area.The utility model is a kind of new heat pipe monitor system technology, can be run for heat supply network complete stability and provide certain foundation.
Description
Technical field：
It the utility model is related to heating network operation condition monitoring device technical field, and in particular to a kind of heat supply network key node fortune
Row status monitoring sensor.
Background technology：
Now with the continuous improvement of rapid economic development and living standards of the people, China 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 more 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, which carries out effective monitoring, turns into the emphasis of current numerous scholar's research.Since 21 century goes out, in the world it is many country all
Carry out the research of heating network operation status monitoring, and attempt different monitoring scheme and technology, currently known heating network operation
State monitoring method is broadly divided into direct monitoring method and indirect monitoring method.Direct monitoring method is utilized 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 utilizes complicated mathematics mould
Type extrapolates the current running status of heat supply network, mainly uses emissivity tracking, negative pressure wave method, pressure gradient method and quality volume
Balancing method.It is existing following defect and deficiency to be present on heating network operation status monitoring means：(1) heat supply network state in the prior art
Monitoring can not monitor heating network operation state continuously, in real time, while monitor that enforcement difficulty is big, cost 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 largely monitoring method in pipe, and heat-net-pipeline surrounding environment is not detected.
Utility model content：
The purpose of this utility model is for deficiency 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, its can accurate measurements heat supply network key node running status, cost is low, more ginsengs
Number cross validation's monitoring, while heat supply network key node leakage position can be accurately positioned, suitable for various buried pipeline systems.
To reach above-mentioned purpose, the utility model is adopted 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
Hinder 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
Electrode, Electrode, auxiliary electrode, the temperature sensor in temperature sensor protecting shell, reference electrode and electric resistance sensor
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 form 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 described by being formed with heat-net-pipeline with the Q235 type carbon steel materials of material
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 between 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 are 7.84mm, length 10cm, Electrode and the auxiliary electrode machine
Tool structure is identical, a diameter of 5.24mm, length 10cm, the electric resistance sensor first electrode, electric resistance sensor second electrode,
By a diameter of 5.24mm, the cone structure that length is 10cm forms reference electrode.
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 reference electrode and the electric resistance sensor second electrode is symmetrically distributed in sensor and fixes bottom
Seat central symmetry axis both 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 both 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 utility model has advantages below：
1st, the utility model small volume, cost is low, and different buried pipeline system systems can be applied to by being easy to carry, can
Multiple heat supply network key node running statuses on one pipeline are monitored in real time.
2nd, the utility model monitors the operation of heat supply network key node using electric resistance of soil, temperature, electrochemical corrosion cross validation
State, the particular geographic location of heat supply network key node leakage can be accurately positioned.
3rd, the utility model 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 utility model uses pipe external monitor method, i.e., the physical quantity of heat supply network key node surrounding environment is carried out in fact
When, continuous monitoring, the specific feelings of heat supply network key node seepage can be reflected in time when the leakage of heat supply network key node or seepage
Condition.
In summary, the utility model monitoring precision it is high, it is easy to use, heat supply network key node seepage can be accurately positioned
Particular location, suitable for a variety of buried pipeline systems.
Brief description of the drawings：
Fig. 1 is the utility model of the whole structure diagram.
Fig. 2 is the utility model distribution of electrodes schematic diagram.
Fig. 3 is the utility model annexation figure.
Fig. 4 is the utility model sensor firm banking structure chart.
Fig. 5 is the utility model cable buried pipeline structure chart.
Fig. 6 is the utility model electric resistance of soil sensor electrode, reference electrode structure chart.
Fig. 7 is the utility model auxiliary electrode, Electrode structure chart.
Fig. 8 is the utility model temperature sensor protecting shell graph structure figure.
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.
Embodiment：
Below by drawings and examples, the technical solution of the utility model 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 sensing described in the utility model
Device, including cable buried pipeline 1, sensor 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, before the sensor firm banking 2
End is fixed 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 rear end of sensor firm banking 2 are connected with the front end of cable buried pipeline 1,
It is provided with temperature sensor in the temperature sensor protecting shell 6, it is the electric resistance sensor first electrode 3, Electrode 4, auxiliary
Help electrode 5, the temperature sensor in temperature sensor protecting shell 6, reference electrode 7 and the outlet of electric resistance sensor second electrode 8
End is connected after signal-transmitting cable and cable buried pipeline 1 with heat-network supervisory control system in electric successively.
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 forms 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 with heat-net-pipeline with the Q235 type carbon steel materials of material by being formed, 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 between each other.
In the present embodiment, the diameter of sensor firm banking 2, thickness are 5cm, the diameter of cable buried pipeline 1
For 5cm, length 300cm, 6 a diameter of 7.84mm of temperature sensor protecting shell, length 10cm, the Electrode
4 is identical with the mechanical structure of auxiliary electrode 5, a diameter of 5.24mm, length 10cm, the electric resistance sensor first electrode 3, resistance
By a diameter of 5.24mm, the cone structure that length is 10cm forms for sensor second electrode 8, reference electrode 7.
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 passes
Sensor protection the distance between shell 6 and Electrode 4 are 1.2cm, the reference electrode 7 and electric resistance sensor second electrode 8
The central symmetry axis both 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 both ends, distance is 1.2cm between the Electrode 4 and auxiliary electrode 5, 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 utility model when in use, by electric resistance sensor first electrode 3, Electrode 4, auxiliary electrode 5, TEMP
Device protection shell 6, reference electrode 7 and electric resistance sensor second electrode 8 are fixed on above sensor firm banking 2, and sensor is solid
Determine base 2 and be arranged on cable buried pipeline 1, the leading-out terminal of each electrode accesses heat supply network key node by cable buried pipeline 1 and supervised
Device is surveyed, each sensing electrode is embedded in immediately below pipeline in advance；Dutycycle 50% is accessed to electric resistance sensor first electrode 3,
2kHz, 12V pulse signal, the response voltage signal of measurement electric resistance sensor second electrode 8, realize heat supply network key node
The measurement of surrounding soil resistance sizes；To weak current source signal is accessed between Electrode 4 and auxiliary electrode 5, reference is measured
Voltage responsive signal between electrode 7 and Electrode 4, corrosion depth and the corrosion of buried pipeline are analyzed using electrochemical process
Speed；Temperature sensor is inserted in temperature sensor protecting shell 6, heat is measured in real time by entering heat supply network key node monitoring device
The temperature signal of net key node Soil Surrounding.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (4)
- A kind of 1. heat supply network key node monitoring running state sensor, it is characterised in that：Including cable buried pipeline (1), sensing Device firm banking (2), electric resistance sensor first electrode (3), Electrode (4), auxiliary electrode (5), outside 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 with cable buried pipeline (1) front end to be connected, 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 afterwards with heat-network supervisory control system in electric with cable buried pipeline (1).
- A kind of 2. 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) use ABS insulative type materials, and the electric resistance sensor first electrode (3) and resistance pass Sensor second electrode (8) is made by titanium alloy metal, and the Electrode (4) is by the Q235 type carbon with heat-net-pipeline with material Steel material is formed, 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 between each other.
- A kind of 3. 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 10cm, the Electrode (4) and auxiliary Electrode (5) mechanical structure is identical, a diameter of 5.24mm, length 10cm, and the electric resistance sensor first electrode (3), resistance pass By a diameter of 5.24mm, the cone structure that length is 10cm forms for sensor second electrode (8), reference electrode (7).
- A kind of 4. 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 protection shell (6) and Electrode (4) are distributed in sensor firm banking (2) central symmetry axis, and temperature sensor is protected It is 1.2cm to protect the distance between shell (6) and Electrode (4), the reference electrode (7) and electric resistance sensor second electrode (8) sensor firm banking (2) central symmetry axis both 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 both ends, distance is 1.2cm between the Electrode (4) and auxiliary electrode (5), the electricity It is 1.2cm to hinder the distance between sensor first electrode (3) and Electrode (4), the Electrode (4), auxiliary electrode (5), between reference electrode (7) structure distribution triangular in shape in sensor firm banking (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335650.0U CN206682614U (en) | 2017-03-31 | 2017-03-31 | A kind of heat supply network key node monitoring running state sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335650.0U CN206682614U (en) | 2017-03-31 | 2017-03-31 | A kind of heat supply network key node monitoring running state sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682614U true CN206682614U (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720335650.0U Expired - Fee Related CN206682614U (en) | 2017-03-31 | 2017-03-31 | A kind of heat supply network key node monitoring running state sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682614U (en) |
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2017
- 2017-03-31 CN CN201720335650.0U patent/CN206682614U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20180331 |