CN104280151B - Temperature testing system for high-pressure high-humidity underground rock-soil in long distance mode and connecting method thereof - Google Patents
Temperature testing system for high-pressure high-humidity underground rock-soil in long distance mode and connecting method thereof Download PDFInfo
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- CN104280151B CN104280151B CN201410554564.XA CN201410554564A CN104280151B CN 104280151 B CN104280151 B CN 104280151B CN 201410554564 A CN201410554564 A CN 201410554564A CN 104280151 B CN104280151 B CN 104280151B
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- temperature
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- platinum resistance
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Abstract
The invention discloses a temperature testing system for high-pressure high-humidity underground rock-soil in a long distance mode and a connecting method of the system. The system is characterized in that a platinum resistor is connected with a signal transmission cable; an alternating-direct current converter provides 24V direct-current working voltage for a temperature collection module; prolonged wires of the platinum resistor are collected to the temperature collection module, and resistor signals are converted into temperature signals through an AD converter and transmitted to a computer to be displayed and stored. The method comprises the steps of sealing the platinum resistor, sealing the connecting position of the platinum resistor and the signal transmission cable, and protecting the signal transmission cable. According to the system and method, long-distance testing can be carried out on the rock-soil temperature under the high-pressure high-humidity environment; the testing result is accurate; due to parallel connection, when a certain testing point fails, testing results of other testing points are not affected; the experiment proves that the testing time can reach five years or more.
Description
Technical field
A kind of the present invention relates to field of temperature measurement, more particularly to long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature
And attaching method thereof.
Background technology
At present, the sensor that test temperature can be adopted has alcohol thermometer, mercurial thermometer, gas thermometer, resistance
Thermometer, thermocouple thermometer, radiation thermometer, flash ranging thermometer, bimetallic thermometer etc..Radiation thermometer and light testing temperature
Meter is non-contact type thermodetector, it is clear that be not suitable for long range measurements.It is alcohol thermometer, mercurial thermometer, gas thermometer, double
Although metallic thermometer is direct contact type, but is also unsuitable for long range measurements.
Resistance thermometer and thermocouple thermometer can test remote object temperature.In actual application, heat
Galvanic couple line is thinner, is easy to fracture in the procedures of establishment of subsurface temperature measuring point.Have a kind of by critesistor currently on the market
Be together in series in being sealed to cable the method for testing ground temperature, can play good waterproof, resistance to compression effect, also not allow easily broken
Split.Once but this method certain point goes wrong, institute's temperature a little is not measured to be come, and with irrecoverability.
Using proof armored platinum resistor test temperature mode, waterproof, measuring body problem can be solved well, and it is anticorrosive.
Key is that measuring point is in parallel, and some measuring point goes wrong, and does not affect the measurement of other measuring points.But, the connecting line ratio of platinum resistance
It is shorter, need to be connected in building using holding wire, most accurate method is using three-core shielding line and two connecting lines
Platinum resistance is connected.And junction point is under high pressure super-humid conditions throughout the year, it is easy to leak, cause temperature test inaccurate.
The content of the invention
The invention provides a kind of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature and attaching method thereof, the present invention
Realize underground ground temperature to monitor throughout the year, do not rupture, water-tight, it is ensured that be accurate testing, reliable and stable, it is described below：
A kind of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature, including：Platinum resistance, the platinum resistance electrical connection letter
Number transmission cable, the system also include：Temperature transition system,
The temperature transition system includes temperature collect module, AC/DC changeover switch, a/d converter and computer,
The AC/DC changeover switch provides the direct-current working volts of 24V for the temperature collect module, the platinum resistance
Extension lead is pooled on the temperature collect module, and resistance signal is converted into temperature signal by the a/d converter, transmission
To on the computer show and store.
The platinum resistance is：Pt1000 proof armored platinum resistors.The signal transmission cable adopts three-core shielding line.
A kind of method of attachment of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature, methods described include following step
Suddenly：
(1) platinum resistance is sealed；
Sealed using PVC insulating tapes, heat-shrink tube successively, then sealed with high pressure waterproof insulation tape；
(2) junction to the platinum resistance with signal transmission cable seals；
Two lines of the platinum resistance are welded using solder stick with the joint of the signal transmission cable；Then adopt
Insulating tape wraps junction respectively；Junction and insulating tape are sealed by the reusable heat draw；It is wrapped with high pressure again outside heat-shrink tube
Waterproof insulation tape；Finally sealed with insulating tape；
(3) protection to the signal transmission cable；
The signal transmission cable is pierced in PE pipes, the bottom of the PE pipes is sealed with PE tube heads；Need to survey at each
A threeway is installed in the position of examination, clogs the threeway using rubber stopper, the platinum resistance is exposed at plug through the rubber stopper
Contact with ground outward；The contact position of the rubber stopper and the threeway, and the platinum resistance through at the rubber stopper with close
Sealing is sealed, then is tightened with adhesive tape, is finally sealed with PVC insulating tapes, is prevented into water.
The beneficial effect of technical scheme that the present invention is provided is：The present invention can be to the ground temperature under high pressure high humidity environment
Carry out long range test；Test result is accurate；And after expendable problem occurs in certain measuring point, due to being to be connected in parallel,
The test result of other measuring points is not affected, so as to realize accurately understanding underground ground temperature change, earth source heat pump operation effect is improved
The purpose of rate；Through experimental verification, the testing time can be up to more than 5 years.
Description of the drawings
Fig. 1 is a kind of schematic diagram of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature；
Structural representations of the Fig. 2 for temperature transition system.
In accompanying drawing, the list of parts representated by each label is as follows：
1：Platinum resistance； 2：Signal transmission cable；
3：Temperature transition system； 4：Temperature collect module；
5：AC/DC changeover switch； 6：A/d converter；
7：Computer； 8：Junction point；
9：PE is managed； 10：PE tube heads；
11：Threeway； 12：Rubber stopper.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, further is made to embodiment of the present invention below
Ground is described in detail.
Referring to Fig. 1, a kind of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature mainly includes：Pt1000 armourings platinum electricity
Resistance 1, signal transmission cable (three-core shielding line) 2, temperature transition system 3.
Wherein, the main composition of temperature transition system 3 turns as shown in Fig. 2 specifically including temperature collect module 4, alternating current-direct current
Parallel operation 5, a/d converter 6, computer 7.
AC/DC changeover switch 5 is the direct-current working volts that temperature collect module 4 provides 24V, and temperature transition system 3 will
The extension lead of Pt1000 proof armored platinum resistors 1 is pooled on temperature collect module 4, and resistance signal is converted into by a/d converter 6
Temperature signal, is sent on computer 7 and shows and store.
In order to realize the long-term test purpose of high pressure high humidity underground ground temperature, signal transmission cable 2 adopts three-core shielding
Line, as the extension lead of Pt1000 proof armored platinum resistors 1 is long, the resistance value that wire has in itself can affect test target
Certainty of measurement.This method eliminates impact of the extension lead to test target using balanced bridge formula three-wire system connected mode.
When implementing, Pt1000 proof armored platinum resistors 1 can also be the platinum resistance of other models, and the embodiment of the present invention is to this
It is not restricted.
Method of attachment (the present invention original creation part) bag of the junction point 8 of Pt1000 proof armored platinum resistors 1 and signal transmission cable 2
Include three below part：
101：The sealing of Pt1000 proof armored platinum resistors 1；
Sealed using PVC insulating tapes, then use the pyrocondensation seal of tube, then sealed with high pressure waterproof insulation tape, it is ensured that
Pt1000 proof armored platinum resistors long-time underground it is not exposed, do not corrode.
102：Pt1000 proof armored platinum resistors 1 are sealed with the junction of signal transmission cable (three-core shielding line) 2；
As Pt1000 proof armored platinum resistors 1 itself carry two connecting lines, connection one of signal transmission cable 2,
Another connecting line is connected together with the other both threads of signal transmission cable 2.For avoiding Pt1000 proof armored platinum resistors 1 and signal
Transmission cable (three-core shielding line) 2 departs from work progress, also for the accuracy for ensureing test, respectively in Pt1000 armourings
Two lines of platinum resistance 1 are welded using solder stick with the joint of signal transmission cable 2；Then wrapped using insulating tape respectively
Good junction；Junction and insulating tape are sealed by the reusable heat draw；It is wrapped with high pressure waterproof insulation tape again outside heat-shrink tube；Most
Sealed with insulating tape afterwards.
103：The protection of signal transmission cable (three-core shielding line) 2.
Thermometric effect is affected for preventing signal transmission cable to be pulled off in work progress, destroying or be immersed in water for a long time
Really, cable is pierced in PE pipes 9, the bottom of PE pipes 9 is sealed with PE tube heads 10.One three is installed in the position of each needs test
Logical 11, threeway 11 is clogged using rubber stopper 12, PT1000 proof armored platinum resistors 1 is exposed at through rubber stopper 12 and is connect with ground beyond the Great Wall
Touch.The contact position of rubber stopper 12 and threeway 11, and PT1000 proof armored platinum resistors 1 are sealed with fluid sealant through at rubber stopper 12,
Tightened with adhesive tape again, finally sealed with PVC insulating tapes, prevented into water.
This method is applied to the ground temperature of earth source heat pump and tests for a long time.In earth source heat pump work progress, as needed
The prior PE pipes 9 for preparing reasonable length, rubber stopper 12, signal transmission cable 2, PT1000 proof armored platinum resistors 1, common insulating cement
Band, High-Voltage Insulation adhesive tape, heat-shrink tube etc..As needed PT1000 proof armored platinum resistors 1 are connected indoors with signal transmission cable 2
Connect, weld, waterproof is finished.Can also implement at the scene, but need to prepare power line in advance, operate at the scene.Preparation is done
After complete, PT1000 proof armored platinum resistors 1 are pierced in PE pipes 9 together with signal transmission cable 2.Can be with heat exchanger tube lower going-into-well
In, tested；Individually can also dig a well, PE pipes 9 are placed into needs the position of test, then backfills.Through the rock of 2-3 days
Soil temperature degree recovers, you can so that accurately the temperature signal of each measuring point is sent in machine room or building, connect with temperature collect module 4
Connect, resistance signal is converted into into temperature signal, signal transmission is shown and stored to computer 7 by Jing a/d converters 6.
The embodiment of the present invention is specifically described the test philosophy and construction process of ground temperature by application example.In reality
Using in, measuring point quantity and position can be determined as needed, this specification content should not be construed as limiting the invention.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned functions can be completed.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the embodiments of the present invention
Sequence number is for illustration only, does not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. the method for attachment of a kind of long range high pressure high humidity underground ground Research on Automatic Measuring System of Temperature, the Research on Automatic Measuring System of Temperature, including：
Platinum resistance, the platinum resistance connect signal transmission cable, and the system also includes：Temperature transition system,
The temperature transition system includes temperature collect module, AC/DC changeover switch, a/d converter and computer,
The AC/DC changeover switch provides the direct-current working volts of 24V, the prolongation of the platinum resistance for the temperature collect module
Wire is pooled on the temperature collect module, and resistance signal is converted into temperature signal by the a/d converter, is sent to institute
State；
Characterized in that, the method comprising the steps of：
(1) platinum resistance is sealed；
Sealed using PVC insulating tapes, heat-shrink tube successively, then sealed with high pressure waterproof insulation tape；
(2) junction to the platinum resistance with signal transmission cable seals；
Two lines of the platinum resistance are welded using solder stick with the joint of the signal transmission cable；Then using insulation
Adhesive tape wraps junction respectively；Junction and insulating tape are sealed by the reusable heat draw；It is wrapped with high pressure waterproof again outside heat-shrink tube
Insulating tape；Finally sealed with insulating tape；
(3) protection to the signal transmission cable；
The signal transmission cable is pierced in PE pipes, the bottom of the PE pipes is sealed with PE tube heads；In each needs test
Position install a threeway, the threeway is clogged using rubber stopper, by the platinum resistance through the rubber stopper be exposed at beyond the Great Wall with
Ground is contacted；The contact position of the rubber stopper and the threeway, and the platinum resistance uses fluid sealant through at the rubber stopper
Seal, then tightened with adhesive tape, finally sealed with PVC insulating tapes, prevented into water.
2. method of attachment according to claim 1, it is characterised in that the platinum resistance is：Pt1000 proof armored platinum resistors.
3. method of attachment according to claim 1, it is characterised in that the signal transmission cable adopts three-core shielding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554564.XA CN104280151B (en) | 2014-10-17 | 2014-10-17 | Temperature testing system for high-pressure high-humidity underground rock-soil in long distance mode and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554564.XA CN104280151B (en) | 2014-10-17 | 2014-10-17 | Temperature testing system for high-pressure high-humidity underground rock-soil in long distance mode and connecting method thereof |
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| Publication Number | Publication Date |
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| CN104280151A CN104280151A (en) | 2015-01-14 |
| CN104280151B true CN104280151B (en) | 2017-03-22 |
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| CN201410554564.XA Expired - Fee Related CN104280151B (en) | 2014-10-17 | 2014-10-17 | Temperature testing system for high-pressure high-humidity underground rock-soil in long distance mode and connecting method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748872A (en) * | 2015-04-15 | 2015-07-01 | 久茂自动化(大连)有限公司 | Locomotive head sealing temperature-measurement device |
| CN110068402B (en) * | 2019-04-28 | 2020-10-30 | 天能电池集团（安徽）有限公司 | Lead plaster follow-up temperature recording device |
Citations (7)
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|---|---|---|---|---|
| US5346307A (en) * | 1993-06-03 | 1994-09-13 | Regents Of The University Of California | Using electrical resistance tomography to map subsurface temperatures |
| CN201983878U (en) * | 2011-01-07 | 2011-09-21 | 李晋玲 | Monitoring device of soil temperature |
| CN202101774U (en) * | 2011-05-13 | 2012-01-04 | 上海市地矿工程勘察院 | Underground temperature field monitoring system for ground source heat pump system |
| CN102564618A (en) * | 2012-01-16 | 2012-07-11 | 中国工程物理研究院化工材料研究所 | Temperature sensor and sealing and installation method thereof |
| CN202582753U (en) * | 2012-02-07 | 2012-12-05 | 上海理工大学 | Rock-soil temperature detection system for ground source heat pump |
| CN103698039A (en) * | 2013-12-24 | 2014-04-02 | 甘肃土木工程科学研究院 | Test method of underground temperature field of ground source heat pump |
| CN204188295U (en) * | 2014-10-17 | 2015-03-04 | 天津大学 | A kind of long distance high-voltage high humidity underground ground Research on Automatic Measuring System of Temperature |
-
2014
- 2014-10-17 CN CN201410554564.XA patent/CN104280151B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5346307A (en) * | 1993-06-03 | 1994-09-13 | Regents Of The University Of California | Using electrical resistance tomography to map subsurface temperatures |
| CN201983878U (en) * | 2011-01-07 | 2011-09-21 | 李晋玲 | Monitoring device of soil temperature |
| CN202101774U (en) * | 2011-05-13 | 2012-01-04 | 上海市地矿工程勘察院 | Underground temperature field monitoring system for ground source heat pump system |
| CN102564618A (en) * | 2012-01-16 | 2012-07-11 | 中国工程物理研究院化工材料研究所 | Temperature sensor and sealing and installation method thereof |
| CN202582753U (en) * | 2012-02-07 | 2012-12-05 | 上海理工大学 | Rock-soil temperature detection system for ground source heat pump |
| CN103698039A (en) * | 2013-12-24 | 2014-04-02 | 甘肃土木工程科学研究院 | Test method of underground temperature field of ground source heat pump |
| CN204188295U (en) * | 2014-10-17 | 2015-03-04 | 天津大学 | A kind of long distance high-voltage high humidity underground ground Research on Automatic Measuring System of Temperature |
Non-Patent Citations (1)
| Title |
|---|
| 垂直埋管式地源热泵土壤温度分布研究;周志华 等;《太阳能学报》;20140831(第8期);第1480-1481页，图1-2 * |
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| CN104280151A (en) | 2015-01-14 |
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