CN104964996A - Bidirectional checking rock and soil thermal response test system - Google Patents
Bidirectional checking rock and soil thermal response test system Download PDFInfo
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- CN104964996A CN104964996A CN201510335103.8A CN201510335103A CN104964996A CN 104964996 A CN104964996 A CN 104964996A CN 201510335103 A CN201510335103 A CN 201510335103A CN 104964996 A CN104964996 A CN 104964996A
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Abstract
The invention relates to a bidirectional checking rock and soil thermal response test system, and belongs to the field of rock and soil thermal response tests. The bidirectional checking rock and soil thermal response test system comprises all devices of a conventional test system, a data converter, a temperature sensing wire and a temperature sensing cluster. The temperature sensing cluster is provided with n measuring points; a water inlet of a heater is connected with an air release valve of a water replenishing tank by a temperature sensor and a flow meter and is communicated with a water outlet of a U-shaped buried pipe via a pressure sensor and a temperature sensor; a water outlet of the heater is connected with a water inlet of a circulating water pump, and a water outlet of the circulating water pump is communicated with a water inlet of the U-shaped buried pipe via a temperature sensor, a pressure sensor and a pipeline of a water pipe valve; a water replenishing valve of the water replenishing tank is communicated with the water inlet of the U-shaped buried pipe; a PLC (programmable logic control) module is connected with the various pressure sensors and the temperature sensors; the various measuring points of the temperature sensing cluster are respectively connected with the data converter, and the data converter is connected with the PLC module. The bidirectional checking rock and soil thermal response test system has the advantage that the accuracy and the reliability of tests can be improved by the aid of the bidirectional checking rock and soil thermal response test system.
Description
Technical field
The invention belongs to ground geo-thermal response test technical field, particularly one two-way check ground geo-thermal response test system.
Background technology
Along with the continuous publicity of environment-friendly and energy-efficient facade lighting is promoted, earth-source hot-pump system is subject to the favor of people gradually with its energy-efficient feature.Along with the fast development of ground source heat pump project project in recent years, a lot of project has all carried out the mensuration work of ground thermal response test.
Conventional test system composition as shown in Figure 1, this tester system comprises water circulating pump 1, three temperature sensors 2,13,18 be arranged in casing, two pressure transducers 3,14, aqueduct valve 4, flowmeter 16, be provided with the water supply tank 11 of moisturizing air release 10, water compensating valve 12, air release 15, be provided with the well heater 20 of draw-off valve 5, the circuit board 19 of PLC module 17 is installed; And the U-shaped underground pipe 6 be arranged in the underground heat exchange hole of ground thermal response to be measured; Its annexation is: the water inlet of well heater 20, by being connected with the air release 15 of water supply tank with the pipeline of temperature sensor 18, flowmeter 16, is connected with the water out of U-shaped underground pipe 6 by the pipeline with pressure transducer 14, temperature sensor 13 simultaneously; The water delivering orifice of well heater 20 is connected with the water inlet of water circulating pump 1, and the water delivering orifice of water circulating pump 1 is connected with the water inlet of U-shaped underground pipe 6 by the pipeline with temperature sensor 2, pressure transducer 3, aqueduct valve 4; The water compensating valve 12 of water supply tank is connected with the water inlet of U-shaped underground pipe 6 simultaneously; PLC module 17 is connected with each pressure transducer, temperature sensor by data line.According to the statistics of reality test, actual test result is due to the factor such as level of the precision of equipment, on-the-spot test condition, tester, cause the accuracy of test data not high, have the device of simultaneously not checking synchronously to check data simultaneously, cause test data can only as design reference data.
Therefore, the thermal physical property parameter how testing out soil accurately becomes people's urgent problem.
Summary of the invention
The object of the invention is the drawback only utilizing unidirectional testing tool to test liquid in pipe for overcoming conventional test device, propose a kind of two-way check ground geo-thermal response test system, native system improves the accuracy problem of ground geo-thermal response test; Add the reliability of earth source heat pump; Temperature sensing device can be used as long-term detection.Solve the problem that the accuracy of test data is not high.
The one two-way check ground geo-thermal response test system that the present invention proposes, this test macro comprises the water circulating pump be arranged in casing, three temperature sensors, two pressure transducers, aqueduct valve, flowmeter, be provided with the water supply tank of moisturizing air release, water compensating valve, air release, be provided with the well heater of draw-off valve, the circuit board of PLC module is installed; And the U-shaped underground pipe be arranged in the underground heat exchange hole of ground thermal response to be measured; It is characterized in that, also comprise data converter, a temperature sensor line, and have the temperature sensing cluster of n measuring point, n measuring point vertical distribution is on U-shaped buried tube wall; Its annexation is: the water inlet of well heater is by being connected with the air release of water supply tank with three-temperature sensor (18), the pipeline of flowmeter, simultaneously by being connected with the water out of U-shaped underground pipe with the pipeline of the second pressure transducer (14), the second temperature sensor (13); The water delivering orifice of well heater is connected with the water inlet of water circulating pump, and the water delivering orifice of water circulating pump is by being connected with the water inlet of U-shaped underground pipe with the pipeline of the first temperature sensor (2), the first pressure transducer (3), aqueduct valve; The water compensating valve of water supply tank is connected with the water inlet of U-shaped underground pipe simultaneously; PLC module is connected with each pressure transducer, temperature sensor by data line; Described n the measuring point with temperature sensing cluster 7 is connected with data converter respectively by temperature sensor line, and data converter is connected with PLC module by data line.
The invention has the beneficial effects as follows, decrease the factor such as level due to the precision of equipment, on-the-spot test condition, tester to a certain extent, cause the not high problem of the accuracy of test data; Solve the problem that conventional test manner error is large; By conventional test manner and underground pipe temperature sensing device being combined, two kinds of test modes are tested ground thermal property simultaneously, and the result after test can synchronously be checked according to theoretical publicity, strengthen the reliability of data.System construction is simple, easy for installation.After detecting from multiple engineering project, system effect is good.
Accompanying drawing explanation
Fig. 1 conventional ground geo-thermal response test instrument composition schematic diagram;
Fig. 2 is the present invention's two-way check ground geo-thermal response test system composition schematic diagram.
Wherein:
1-water circulating pump, 2-temperature sensor, 3-pressure transducer, 4-valve, 5-draw-off valve, 6-underground pipe (U-shaped), 7-, temperature sensing cluster, 8-temperature sensor line, 9-data converter, 10-moisturizing air release, 11-water supply tank, 12-water compensating valve, 13-temperature sensor, 14-pressure transducer, 15-air release, 16-flowmeter, 17-PLC module, 18-temperature sensor, 19-circuit board, 20-well heater, D1, D2, D3 ... Dn-1, Dn---each measuring point numbering (n >=3) in temperature sensor cluster 7.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
The one two-way check ground geo-thermal response test system embodiment structure that the present invention proposes, as shown in Figure 2, this test macro comprises all devices in conventional testing tool, namely water circulating pump 1, three temperature sensors 2,13,18 be arranged in casing are comprised, two pressure transducers 3,14, aqueduct valve 4, flowmeter 16, be provided with the water supply tank 11 of moisturizing air release 10, water compensating valve 12, air release 15, be provided with the well heater 20 of draw-off valve 5, the circuit board 19 of PLC module 17 is installed; And the U-shaped underground pipe 6 be arranged in the underground heat exchange hole of ground thermal response to be measured; It is characterized in that, native system is on the basis that conventional system forms, add a data converter 9, there is temperature sensing cluster 7 (n measuring point D1, D2, D3 of n measuring point ... Dn-1, Dn vertical distribution is on U-shaped underground pipe 6 wall), temperature sensor line 8; Its annexation is: the water inlet of well heater 20 is by being connected with the air release 15 of water supply tank with the pipeline of three-temperature sensor 18, flowmeter 16, simultaneously by being connected with the water out of U-shaped underground pipe 6 with the pipeline of the second pressure transducer 14, second temperature sensor 13; The water delivering orifice of well heater 20 is connected with the water inlet of water circulating pump 1, and the water delivering orifice of water circulating pump 1 is by being connected with the water inlet of U-shaped underground pipe 6 with the pipeline of the first temperature sensor 2, first pressure transducer 3, valve 4; The water compensating valve 12 of water supply tank is connected with the water inlet of U-shaped underground pipe 6 simultaneously; PLC module 17 is connected with each pressure transducer, temperature sensor by data line; Described n the measuring point with temperature sensing cluster 7 is connected with data converter 9 respectively by temperature sensor line 8, and data converter 9 is connected with PLC module 17 by data line.
Each equipment of the present embodiment system and embodiment are described as follows:
(measuring point number n >=2, point layout is within the scope of the ground heat exchanger depth of burying, and interval should not be greater than 10 meters for temperature sensing cluster 7.), name of product: WFCK-D20 digital temperature sensor.
Temperature sensor line 8, name of product: armouring RVVP type polyvinyl chloride insulation sheath shielding flexible cord.
Data converter 9 is connected.The name of product of 9: WFCK-60 series automatic detecting temperature measurer.
Other parts adopt the same parts of conventional conventional test system.
Pipeline and the pipe fitting of the present embodiment weld routinely, screwed connection or Flange joint, and underground pipe and pipeline adopt steel to mould to change pipe fitting and be connected; Electric wiring adopts conventional connections and shaping communication interface to connect.Each link is the shaping conventional components in market.To test casing (can assemble in factory in advance) in actual test to be transported to scene and to be simply connected with field components, water system, electric system both can carry out test job after having debugged.
The principle of work of native system:
As shown in Figure 2, the waterway circulating part of instrument is connected with the U-shaped underground pipe 6 (adopting PE pipeline) will tested in heat exchanging holes, form close loop, the liquid in underground pipe loop 6 is driven constantly to circulate by the miniature water circulating pump 1 in instrument, the liquid medium in the continuous reheat loop of the well heater 20 simultaneously in instrument.Liquid in this close loop constantly circulates, and the heat that well heater produces is just continuous is discharged into underground by the heat exchanger tube in heat exchanging holes.In liquid-circulating process in close loop, the parameters such as the heating power of the temperature of entry/exit instrument, flow and well heater are carried out Real-time Collection record by PLC module; Meanwhile, by each distributed temperature sensor of underground pipe tube wall D1, D2, D3 ... Dn-1, Dn record the temperature parameter under each degree of depth of tube wall; Then, by the Changing Pattern of parameter in theory, utilize the TRANSYS software in PLC module to carry out the thermal physical property parameter of ground under analog computation two kinds of modes.
This test divides two kinds of modes, first kind of way is the operational mode of source heat pump air-conditioning system cooling in summer in analog, by underground heat extraction, by parameters such as surface instrumentation recording medium temperature, flows, thus obtaining the thermal physical property parameter of ground, test time is not less than 48h;
The second way is first kind of way is implemented while, at buried tube wall at a certain distance, one group of temperature sensor cluster D1, D2, D3 are installed ... Dn-1, Dn, in conventional ground geo-thermal response test instrument test process, temperature sensor D1, D2, D3 ... Dn-1, the temperature signal collected is delivered to data converter 9 by temperature sensor line 8 by Dn, the signal collected is changed into the digital wire size that PLC program can be compatible by data transducer 9, is constantly stored in the PLC module 17 of original human-computer interaction interface.By the temperature variation with first kind of way synchronous recording tube wall and soil junction, obtained the thermal physical property parameter of ground by temperature changing trend.
Designed by the present invention is a kind of two-way check ground geo-thermal response test instrument.Be while conventional constant heat flow is tested, utilize the thermal conductivity of subsurface temperature sensor to soil to test, the result tested out by two kinds of modes carries out mutual comparison, finally averages, and avoids test errors, reduces test error.
One of the present invention two-way check ground geo-thermal response test system is in construction, different with Normal practice, is embodied in the following aspects.
One, during vertically heat exchanging holes is constructed, need leading pipe laying installation unit ordinatedly by D1, D2, D3 of temperature sensor cluster ... Dn-1, each temperature sensor of Dn is firmly strapped on underground pipe by adhesive tape, is strapped in successively on underground pipe by temperature data line simultaneously; Under U-shaped underground pipe after pipe, the terminals of data line are received on data converter.
Two, data converter is fixed on the backboard of conventional ground geo-thermal response test casing in advance, leaves data transformation interface.Easy to connect in construction.Data converter utilizes transmission line to be connected with the PLC of conventional ground geo-thermal response test instrument, and can be sent in PLC module by data in real time, the data collected with conventionally test carry out enforcement comparative analysis.
Three, the power supply of data converter is supplied by the power supply of conventional ground geo-thermal response test instrument, does not have extra input and expense.
Four, data converter is by data and conventional ground geo-thermal response test instrument stores synchronized, finally analyzes, compares.
Five, two systems do not interfere with each other in test process, utilize test result to check mutually simultaneously.Thus ensure that the accuracy of whole test result.
Although disclose example of the present invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: without departing from the spirit and scope of the invention and the appended claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (1)
1. a two-way check ground geo-thermal response test system, this test macro comprises the water circulating pump be arranged in casing, three temperature sensors, two pressure transducers, aqueduct valve, flowmeter, be provided with the water supply tank of moisturizing air release, water compensating valve, air release, be provided with the well heater of draw-off valve, the circuit board of PLC module is installed; And the U-shaped underground pipe be arranged in the underground heat exchange hole of ground thermal response to be measured; It is characterized in that, also comprise data converter, a temperature sensor line, and have the temperature sensing cluster of n measuring point, n measuring point vertical distribution is on U-shaped buried tube wall; Its annexation is: the water inlet of well heater is by being connected with the air release of water supply tank with three-temperature sensor (18), the pipeline of flowmeter, simultaneously by being connected with the water out of U-shaped underground pipe with the pipeline of the second pressure transducer (14), the second temperature sensor (13); The water delivering orifice of well heater is connected with the water inlet of water circulating pump, and the water delivering orifice of water circulating pump is by being connected with the water inlet of U-shaped underground pipe with the pipeline of the first temperature sensor (2), the first pressure transducer (3), aqueduct valve; The water compensating valve of water supply tank is connected with the water inlet of U-shaped underground pipe simultaneously; PLC module is connected with each pressure transducer, temperature sensor by data line; Described n the measuring point with temperature sensing cluster 7 is connected with data converter respectively by temperature sensor line, and data converter is connected with PLC module by data line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510335103.8A CN104964996A (en) | 2015-06-16 | 2015-06-16 | Bidirectional checking rock and soil thermal response test system |
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| CN201510335103.8A CN104964996A (en) | 2015-06-16 | 2015-06-16 | Bidirectional checking rock and soil thermal response test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525821A (en) * | 2017-09-27 | 2017-12-29 | 山东省地矿工程集团有限公司 | Live thermal property tester caliberating device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002048618A1 (en) * | 2000-12-16 | 2002-06-20 | Sung-Su Lee | Cooling and heating system using jointly the radient with convection |
| JP2003004680A (en) * | 2001-06-20 | 2003-01-08 | Misawa Kankyo Gijutsu Kk | Method and device for testing thermal response of underground heat exchanger |
| CN101887040A (en) * | 2010-06-18 | 2010-11-17 | 哈尔滨工业大学 | Synchronous cold/thermal response ground thermal property tester |
| CN102590271A (en) * | 2012-02-07 | 2012-07-18 | 上海理工大学 | Ground source heat pump rock-soil heat response dynamic testing system and testing method |
| CN103792255A (en) * | 2014-01-21 | 2014-05-14 | 上海建科建筑节能技术有限公司 | Rock soil cold and hot response testing system |
| CN204789425U (en) * | 2015-06-16 | 2015-11-18 | 北京中科华誉能源技术发展有限责任公司 | Two -way check ground thermal response test system |
-
2015
- 2015-06-16 CN CN201510335103.8A patent/CN104964996A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002048618A1 (en) * | 2000-12-16 | 2002-06-20 | Sung-Su Lee | Cooling and heating system using jointly the radient with convection |
| JP2003004680A (en) * | 2001-06-20 | 2003-01-08 | Misawa Kankyo Gijutsu Kk | Method and device for testing thermal response of underground heat exchanger |
| CN101887040A (en) * | 2010-06-18 | 2010-11-17 | 哈尔滨工业大学 | Synchronous cold/thermal response ground thermal property tester |
| CN102590271A (en) * | 2012-02-07 | 2012-07-18 | 上海理工大学 | Ground source heat pump rock-soil heat response dynamic testing system and testing method |
| CN103792255A (en) * | 2014-01-21 | 2014-05-14 | 上海建科建筑节能技术有限公司 | Rock soil cold and hot response testing system |
| CN204789425U (en) * | 2015-06-16 | 2015-11-18 | 北京中科华誉能源技术发展有限责任公司 | Two -way check ground thermal response test system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525821A (en) * | 2017-09-27 | 2017-12-29 | 山东省地矿工程集团有限公司 | Live thermal property tester caliberating device and method |
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