CN106870959A - A kind of new hot pipe network leakage monitoring device - Google Patents
A kind of new hot pipe network leakage monitoring device Download PDFInfo
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- CN106870959A CN106870959A CN201710218737.4A CN201710218737A CN106870959A CN 106870959 A CN106870959 A CN 106870959A CN 201710218737 A CN201710218737 A CN 201710218737A CN 106870959 A CN106870959 A CN 106870959A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 48
- 230000008569 process Effects 0.000 claims abstract description 48
- 230000008859 change Effects 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to energy-conserving and environment-protective technical fiel, more particularly to a kind of new hot pipe network leakage monitoring device.The hot pipe network leakage monitoring device includes humidity sensor, temperature sensor, AD conversion unit, control process device, voltage humidity conversion unit and data outputting unit；It is arranged between pipe network heat-insulation layer and pipeline by by humidity sensor and temperature sensor, and is close to the outer wall of pipeline, when pipe leakage, humidity information can be immediately detected, the situation of pipe network leakage is found in time；Temperature change is converted into electric signal, the Real-time Collection to surveyed environment temperature can be realized, and then can effectively adjust pipe network temperature.
Description
Technical field
The present invention relates to energy-conserving and environment-protective technical fiel, more particularly to a kind of new hot pipe network leakage monitoring device.
Background technology
At present, in urban district heating system, the monitoring scheme of traditional pipe network is important to concentrate on leakage aspect, because
Not only waste water resource is revealed, while also resulting in the loss of substantial amounts of thermal source, the waste of substantial amounts of physical resources and financial resources has been in turn resulted in.
Wherein, the scheme that tradition solves leakage is usually along the parallel erection copper wire in laying direction of pipeline, when pipe network occurs
During leakage, can cause to be placed on the instrument of pipe network end measured by copper wire resistance value change, and then judge that letting out occurs in pipe network
Leakage.
However, due between pipeline and copper wire across certain thickness heat-insulation layer (3% water absorption rate), so, even if pipe
Leakage copper cash scheme occurs in net can not be found immediately, could be found only when leakage reaches to a certain degree.So, this side
Though case can judge whether pipe network leaks, leakage cannot be timely fed back, increased cost and waste the energy.
In addition, as social continuing to develop, people are increasingly urgent to the demand of environment temperature comfort level of living, and existing
Pipe network monitoring scheme, it is impossible to the temperature of pipe network is monitored so that the timely adjustment for pipe network temperature provides foundation in real time,
The existing pipe network monitoring system of these factors all an urgent demands is upgraded.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to provide a kind of new hot pipe network leakage monitoring device to solve existing pipe
Leak detection that net detection scheme is present is insensitive, waste the energy, increase the problem that cost and pipe network temperature can not be adjusted effectively.
(2) technical scheme
In order to solve the above technical problems, the invention provides a kind of new hot pipe network leakage monitoring device, it includes wet
Degree sensor, AD conversion unit, control process device, voltage humidity conversion unit and data outputting unit；The humidity sensor
Device is arranged between pipe network heat-insulation layer and pipeline, and is close to the outer wall of the pipeline, when pipe leakage causes resistance change,
The output voltage analog signal corresponding with humidity change；The humidity sensor passes through analog-to-digital conversion with the control process device
Unit is connected, and the voltage analog signal is converted to voltage digital information by the AD conversion unit, by the voltage digital
Information transmission is to control process device；The control process device is connected with the voltage humidity conversion unit, wet by the voltage
Voltage digital information is converted into humidity information by degree conversion unit；The control process device is connected with the data outputting unit,
Humidity information is exported by the data outputting unit.
Wherein, also including data fluctuations processing unit, the data fluctuations processing unit is connected with the control process device,
The control process device is filtered treatment by the data fluctuations processing unit to the voltage digital information.
Wherein, the control process device is single-chip microcomputer；The AD conversion unit is analog-digital converter.
Wherein, the voltage humidity conversion unit built-in voltage and humidity linked database.
Wherein, the data outputting unit is out splice going splice or wireless communication device, and the control process device passes through the number
It is connected with host computer according to output unit.
Wherein, the data fluctuations processing unit is using the wave filter of Kalman filtering algorithm.
Wherein, also including temperature sensor, the temperature sensor is arranged between pipe network heat-insulation layer and pipeline, and is close to
The outer wall of the pipeline, in pipeline during temperature change, the temperature sensor exports the voltage analog corresponding with temperature change
Signal；The temperature sensor is connected with the control process device by AD conversion unit.
Wherein, also including voltage temperature conversion unit, the voltage digital information includes and the humidity corresponding voltage of change
Digital information and voltage digital information corresponding with temperature change, the control process device and the voltage temperature conversion unit
Connection, the voltage digital information corresponding with temperature change after the voltage temperature conversion unit is by filtering process is converted into
Temperature information；The control process device is connected with the data outputting unit, is believed by the data outputting unit output temperature
Breath.
Wherein, the data fluctuations processing unit, control process device, voltage humidity conversion unit, voltage temperature conversion are single
Unit and data outputting unit are integrated on circuit boards.
Wherein, the voltage temperature conversion unit built-in voltage and temperature association database.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that：
1st, it is arranged between pipe network heat-insulation layer and pipeline by by humidity sensor, and is close to the outer wall of pipeline, once pipe
When road is leaked, sensor resistance changes, and can detect humidity by AD conversion unit and control process device immediately and believe
Breath, finds the situation of pipe network leakage in time, solves the problems, such as that pipeline network leak detection sensitivity is not enough in the prior art；And can also
According to the rate of change of humidity, the speed that succinct judgement is revealed.
2nd, it is arranged between pipe network heat-insulation layer and pipeline by by temperature sensor, and is close to the outer wall of pipeline, in pipeline
During temperature change, the resistance value of temperature sensor changes, and can be examined by AD conversion unit and control process device immediately
Temperature information is measured, temperature change is converted into electric signal, the Real-time Collection to surveyed environment temperature can be realized, and then can have
Effect adjustment pipe network temperature.
3rd, because this programme has all carried out Kalman filtering mode by data fluctuations processing unit to the electric signal for gathering
Data processing, so, measured signal have very strong stability, external environment is eliminated as much as possible measured signal is done
Disturb.
Brief description of the drawings
Fig. 1 is the structural representation of the new hot pipe network leakage monitoring device of the present invention
Fig. 2 is the control principle drawing of the new hot pipe network leakage monitoring device of the present invention.
Fig. 3 is the annexation schematic diagram of the new hot pipe network leakage monitoring device of the present invention.
In figure, 1：Pipeline；2：Heat-insulation layer；3：Humidity sensor；4：Temperature sensor；5：AD conversion unit；6：Control
Processor.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
In description of the invention, it is to be understood that the orientation or position of the instruction such as term " top ", " bottom " " interior ", " outward "
Relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without referring to
Show or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must can not be managed
It is limitation of the present invention to solve.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in Figure 1, Figure 2 and Figure 3, new hot pipe network leakage monitoring device provided in an embodiment of the present invention includes humidity
Sensor 3, AD conversion unit 5 (as AD conversion module), data fluctuations processing unit, control process device 6, voltage humidity turn
Change unit and data outputting unit；Humidity sensor 3 is arranged between pipe network heat-insulation layer 2 and pipeline 1, and is close to the outer of pipeline 1
Wall, when pipeline 1 is leaked, the humidity of sensor local environment changes, and now the resistance value of sensor is to change,
The output voltage of sensor detection circuit changes, sensor and then exportable corresponding with humidity change voltage analog letter
Number；Specifically, humidity sensor 3 is connected with control process device 6 by AD conversion unit 5, and AD conversion unit 5 is by voltage-mode
Intend signal and be converted to voltage digital information, by voltage digital information transmission to control process device 6, AD conversion unit 5 herein
As analog-digital converter；Control process device 6 is connected with voltage humidity conversion unit, by voltage humidity conversion unit by voltage number
Word information is converted into humidity information；Control process device is connected with data outputting unit, and exporting humidity by data outputting unit believes
Breath；Humidity herein is the humidity of surveyed environment.When humidity value takes place change, can be according to the change of humidity value speed
Rate reflects the leakage rate of pipeline 1 indirectly, so that the maintenance for pipe network provides reference.Wherein, voltage humidity conversion unit can
Carried out by conversion circuit module, AD conversion module model TLC548.
In the technical scheme of above-described embodiment, the feelings that pipe network is revealed can in time be found by the humidity information for detecting
Condition, solves the problems, such as that pipeline network leak detection sensitivity is not enough in the prior art.
Preferably, data fluctuations processing unit is connected with control process device, and control process device processes single by data fluctuations
Unit is filtered treatment to voltage digital information, is then believed the voltage digital after filtering process by voltage humidity conversion unit
Breath is converted into humidity information.
Because the working environment of circuit board is inevitably influenceed by working environment, so output data has certain journey
The fluctuation of degree, for the problem of output data fluctuation, this programme is processed using Kalman filtering algorithm, data fluctuations treatment
Unit is to use Kalman filtering algorithm, with reference to control process device, is filtered treatment, and filtered output voltage is to be surveyed
Voltage.
Specifically, control process device 6 is single-chip microcomputer；Voltage humidity conversion unit built-in voltage and humidity linked database；
It is humidity by surveyed photovoltaic conversion according to the voltage humidity relation of fitting.
Specifically, data outputting unit is out splice going splice or wireless communication device, and control process device 6 passes through data outputting unit
It is connected with host computer.
For the problem that existing pipe network monitoring scheme cannot be monitored to the temperature of pipe network in real time, in above-described embodiment
On the basis of, temperature sensor 4 is also add, temperature sensor 4 is arranged between pipe network heat-insulation layer 2 and pipeline 1, and is close to pipe
The outer wall in road 1, in pipeline 1 during temperature change, the resistance value of temperature sensor 4 changes, and then temperature sensor detection electricity
The output voltage on road changes, and temperature sensor 4 exports the voltage analog signal corresponding with temperature change；Temperature sensor
4 are connected with control process device 6 by AD conversion unit 5, and voltage analog signal is converted to numeral by AD AD conversion units 5
Amount, i.e. voltage digital information.Temperature sensor 4 uses PT00 temperature sensors；The working environment of sensor needs in underground
Work long hours (work several years), using PT00 temperature sensors (thermal resistance temperature sensor), passed relative to 18B20 temperature
For sensor, service life is longer.
Similarly, because circuit board is influenceed by working environment, unavoidably it is interfered, so needs pair become with temperature
Change corresponding voltage digital information and be filtered treatment, this programme uses Kalman filtering algorithm；Data fluctuations processing unit is
Using Kalman filtering algorithm, with reference to control process device, treatment is filtered, filtered output voltage is surveyed voltage.
Further, also including voltage temperature conversion unit, voltage digital information includes and the humidity corresponding voltage of change
Digital information and voltage digital information corresponding with temperature change, control process device 6 are connected with voltage temperature degree conversion unit,
Voltage digital information corresponding with temperature change after voltage temperature conversion unit is by filtering process is converted into temperature information,
Voltage temperature conversion unit can be carried out by conversion circuit module；Control process device is connected with data outputting unit, by data
Output unit output temperature information.
Usually, data fluctuations processing unit, control process device 6, voltage humidity conversion unit, voltage temperature conversion unit
And data outputting unit it is integrated on circuit boards.
Specifically, voltage temperature conversion unit built-in voltage and temperature association database；Voltage temperature according to fitting is closed
System, is temperature by surveyed photovoltaic conversion.This temperature is the temperature of surveyed environment；The frequency acquisition of the present embodiment pipe network temperature is
10 times per minute.
In sum, the new hot pipe network leakage monitoring device that the present invention is provided has advantages below：
1st, when pipeline network leak occurs, can timely perceive；And can also be according to the rate of change of humidity, succinctly
Judgement leakage speed；
2nd, because this programme is that temperature change is converted into electric signal, it is possible to realizing to the real-time of surveyed environment temperature
Collection, gathers 10 times Ru per minute；
3rd, the data processing of Kalman filtering mode has all been passed through to the electric signal for gathering due to this programme, so, surveyed
Signal has very strong stability, and interference of the external environment to measured signal is eliminated as much as possible.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and modification can also be made, these are improved and modification
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of new hot pipe network leakage monitoring device, it is characterised in that including humidity sensor, AD conversion unit, control
Processor processed, voltage humidity conversion unit and data outputting unit；The humidity sensor is arranged on pipe network heat-insulation layer and pipeline
Between, and it is close to the outer wall of the pipeline, when pipe leakage causes resistance change, export the electricity corresponding with humidity change
Pressure analog signal；The humidity sensor is connected with the control process device by AD conversion unit, the analog-to-digital conversion list
The voltage analog signal is converted to voltage digital information by unit, by the voltage digital information transmission to control process device；Institute
State control process device to be connected with the voltage humidity conversion unit, by the voltage humidity conversion unit by voltage digital information
It is converted into humidity information；The control process device is connected with the data outputting unit, is exported by the data outputting unit
Humidity information.
2. new hot pipe network leakage monitoring device as claimed in claim 1, it is characterised in that also including data fluctuations treatment
Unit, the data fluctuations processing unit is connected with the control process device, and the control process device is by the data fluctuations
Processing unit is filtered treatment to the voltage digital information.
3. new hot pipe network leakage monitoring device as claimed in claim 1, it is characterised in that the control process device is single
Piece machine；The AD conversion unit is analog-digital converter.
4. new hot pipe network leakage monitoring device as claimed in claim 1, it is characterised in that the voltage humidity conversion is single
First built-in voltage and humidity linked database.
5. new hot pipe network leakage monitoring device as claimed in claim 1, it is characterised in that the data outputting unit is
Out splice going splice or wireless communication device, the control process device are connected by the data outputting unit with host computer.
6. new hot pipe network leakage monitoring device as claimed in claim 2, it is characterised in that the data fluctuations treatment is single
Unit is using the wave filter of Kalman filtering algorithm.
7. the new hot pipe network leakage monitoring device as described in claim any one of 1-6, it is characterised in that also including temperature
Sensor, the temperature sensor is arranged between pipe network heat-insulation layer and pipeline, and is close to the outer wall of the pipeline, temperature in pipeline
During degree change, the temperature sensor exports the voltage analog signal corresponding with temperature change；The temperature sensor and institute
Control process device is stated to be connected by AD conversion unit.
8. new hot pipe network leakage monitoring device as claimed in claim 7, it is characterised in that also converted including voltage temperature
Unit, the voltage digital information includes voltage digital information corresponding with humidity change and voltage corresponding with temperature change
Digital information, the control process device is connected with the voltage temperature conversion unit, will by the voltage temperature conversion unit
Voltage digital information corresponding with temperature change after filtering process is converted into temperature information；The control process device and the number
Connected according to output unit, by the data outputting unit output temperature information.
9. new hot pipe network leakage monitoring device as claimed in claim 8, it is characterised in that the data fluctuations treatment is single
Unit, control process device, voltage humidity conversion unit, voltage temperature conversion unit and data outputting unit are integrated on circuit boards.
10. new hot pipe network leakage monitoring device as claimed in claim 9, it is characterised in that the voltage temperature conversion
Unit built-in voltage and temperature association database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218737.4A CN106870959A (en) | 2017-04-05 | 2017-04-05 | A kind of new hot pipe network leakage monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218737.4A CN106870959A (en) | 2017-04-05 | 2017-04-05 | A kind of new hot pipe network leakage monitoring device |
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| CN106870959A true CN106870959A (en) | 2017-06-20 |
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| CN201710218737.4A Pending CN106870959A (en) | 2017-04-05 | 2017-04-05 | A kind of new hot pipe network leakage monitoring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367930A (en) * | 2017-09-14 | 2017-11-21 | 成都天翔环境股份有限公司 | One seed nucleus tank car control system and its application method |
| CN108240888A (en) * | 2017-12-27 | 2018-07-03 | 安徽金大仪器有限公司 | A kind of novel radio data pressure table and its installation method |
| CN108591834A (en) * | 2017-11-20 | 2018-09-28 | 北京无线电计量测试研究所 | A kind of pepe monitoring system |
| CN108761257A (en) * | 2018-03-21 | 2018-11-06 | 北京蓝宇天翔环境科技有限公司 | Novel intelligent hot pipe network leakage and positioning monitoring system and method |
| CN110553155A (en) * | 2019-08-01 | 2019-12-10 | 武汉华川环境有限公司 | drainage pipe leak hunting device for municipal administration |
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| CN104634855A (en) * | 2015-02-03 | 2015-05-20 | 广东美的制冷设备有限公司 | Household appliance humidity detecting method and household appliance humidity detecting device |
| CN204926803U (en) * | 2015-08-18 | 2015-12-30 | 上海核工程研究设计院 | Monitoring system that main steam pipe way leaked is prevented to nuclear power station |
| CN206846314U (en) * | 2017-04-05 | 2018-01-05 | 北京蓝宇天翔环境科技有限公司 | A kind of new hot pipe network leakage monitoring device |
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| DD292710A5 (en) * | 1989-02-28 | 1991-08-08 | Technische Hochschule Zittau,De | HIGHLY SENSITIVE SYSTEM FOR LEAKAGE DANGER PIPING |
| JPH0416726A (en) * | 1990-05-11 | 1992-01-21 | Ngk Spark Plug Co Ltd | Indoor detecting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367930A (en) * | 2017-09-14 | 2017-11-21 | 成都天翔环境股份有限公司 | One seed nucleus tank car control system and its application method |
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| CN108591834A (en) * | 2017-11-20 | 2018-09-28 | 北京无线电计量测试研究所 | A kind of pepe monitoring system |
| CN108240888A (en) * | 2017-12-27 | 2018-07-03 | 安徽金大仪器有限公司 | A kind of novel radio data pressure table and its installation method |
| CN108761257A (en) * | 2018-03-21 | 2018-11-06 | 北京蓝宇天翔环境科技有限公司 | Novel intelligent hot pipe network leakage and positioning monitoring system and method |
| CN110553155A (en) * | 2019-08-01 | 2019-12-10 | 武汉华川环境有限公司 | drainage pipe leak hunting device for municipal administration |
| CN110553155B (en) * | 2019-08-01 | 2021-06-29 | 武汉华川环境有限公司 | Drainage pipe leak hunting device for municipal administration |
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Application publication date: 20170620 |