CN103149234A - Movable ground source heat pump thermal response test instrument and testing method - Google Patents
Movable ground source heat pump thermal response test instrument and testing method Download PDFInfo
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- CN103149234A CN103149234A CN2013100901677A CN201310090167A CN103149234A CN 103149234 A CN103149234 A CN 103149234A CN 2013100901677 A CN2013100901677 A CN 2013100901677A CN 201310090167 A CN201310090167 A CN 201310090167A CN 103149234 A CN103149234 A CN 103149234A
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Abstract
The invention relates to a movable ground source heat pump thermal response test instrument and a testing method. The movable ground source heat pump thermal response test instrument comprises a vertical U-shaped pipe buried in a ground source to be detected, a water box, an electric heater, a circulating water pump, a flowmeter, two temperature sensors, a power adjusting instrument, a PID (Proportion Integration Differentiation) controller, a data acquisition instrument and a frequency converter, wherein the vertical U-shaped pipe is connected with a water inlet and a water outlet of the water box, the electric heater is placed on the bottom of the water box, the two temperature sensors are respectively arranged in a water inlet pipe port and a water outlet pipe port of the vertical U-shaped pipe, the flowmeter is arranged in the water inlet pipe port of the water box, and signals of the flowmeter and the two temperature sensors are sent to the data acquisition instrument, signals of the temperature sensors in the water inlet pipe port of the vertical U-shaped pipe are sent to the PID controller, an output signal of the PID controller is sent to the power adjusting instrument for controlling the electric heater, and the frequency converter controls the circulating water pump. The test instrument can finish a soil thermal response test of a ground source heat pump under two working conditions with constant heat flux or steady temperature, the real-time data acquisition and analysis are realized in the test, and the accurate soil thermal response data is obtained.
Description
Technical field
The present invention relates to a kind of measuring technology, particularly a kind of movable ground source heat pump-soil heat response test instrument and method of testing.
Background technology
The characteristics of earth-source hot-pump system and environmental protection efficient, energy-conservation because of it enjoy popularization under the overall situation of China's building energy conservation.Due to the variation of underground situation everywhere, larger to the Process of absorption or liberation of heat quantitative changeization in operation of heat pump, therefore, basic data before the earth source heat pump design is collected with the test of layer depth place's Soil Thermal response over the ground extremely important, especially the design and installation of ground-source heat pump ground buried tube heat exchanger played direct directive function, there is no at present conventional method of testing, GB does not have the regulation of this respect yet.Determine the thermal physical property parameter of the regional deep soil of test by on-the-spot test, the design and the construction that can be the ground buried pipe of ground source heat pump heat interchanger provide foundation accurately and reliably.
Summary of the invention
The Soil Thermal response test that the present invention be directed to earth source heat pump design needs lack problem, a kind of movable ground source heat pump-soil heat response test instrument and method of testing have been proposed, this tester can be completed the Soil Thermal response test test of earth source heat pump under constant heat flux or two kinds of operating modes of steady temperature, can realize the real time data acquisition of ground buried pipe of ground source heat pump heat interchanger and the real-time analysis of image data in test, to obtain Soil Thermal response data accurately.
technical scheme of the present invention is: a kind of movable ground source heat pump-soil heat response test instrument, comprise Vertical U-Shaped Tubes, water tank, electric heater, water circulating pump, flowmeter, two temperature sensors, the Power Regulation instrument, the PID controller, data collecting instrument, frequency converter, Vertical U-Shaped Tubes is imbedded to be needed in the geodetic source, Vertical U-Shaped Tubes is connected with water inlet with the water outlet of water tank, electric heater is placed in the bottom of water tank, two temperature sensors are placed in respectively water delivering orifice and the water inlet of Vertical U-Shaped Tubes, flowmeter is placed in the water inlet of water tank, flowmeter and two temperature sensor signals are sent into data collecting instrument, the temperature sensor signal that is placed in the Vertical U-Shaped Tubes water inlet send the PID controller, the PID controller produces output signal and send the Power Regulation instrument to control electric heater, frequency converter outputs a control signal to water circulating pump.
A kind of movable ground source heat pump-soil heat response test instrument method of testing comprises movable ground source heat pump-soil heat response test instrument, comprises the steps:
1) system operation: Vertical U-Shaped Tubes is imbedded treated in the geodetic source, water tank is connected the three phase supply power supply, set frequency converter, water tank working mode change switch is according to constant temperature or permanent hot-fluid model selection water tank operational mode, PID controller and Power Regulation instrument are controlled water temperature, start water circulating pump, Frequency Converter Control water circulating pump discharge, data collecting instrument gathers Vertical U-Shaped Tubes water outlet and water inlet temperature;
2) permanent hot-fluid operation: at first allow system move by step 1), water tank mode of operation selective switchgear is placed in permanent hot-fluid operational mode, add (unloading) by many group heating wire in electric heater carries, regulate required electrical heating power, this moment, PID controller and Power Regulation instrument did not work on power, and data collecting instrument gathers current Vertical U-Shaped Tubes water outlet and water inlet temperature;
3) temperature-constant operation: at first allow system run to setting discharge by step 1), water tank mode of operation selective switchgear is placed in the temperature-constant operation pattern, this moment, the PID controller output a control signal to the Power Regulation instrument, the Power Regulation instrument is according to the power of control signal control load electric heater, make the Vertical U-Shaped Tubes water inlet temperature that is connected on the water tank outlet reach constant temperature, data collecting instrument gathers Vertical U-Shaped Tubes water outlet and water inlet temperature.
Beneficial effect of the present invention is: disclose a kind of movable ground source heat pump-soil heat response test instrument and method of testing, compact conformation, all devices are arranged on dolly, and profile is small and exquisite attractive in appearance, test simple and easy to doly, can adapt to the ground source heat pump soil thermal response test of varying environment condition; But stable regulation is controlled fluid flow, flow velocity and temperature in ground heat exchanger; Satisfy different test requests, comprise with the constant temperature mode of set temperature value operation with to set the permanent heat flow density pattern of heat flow density value operation; The data acquisition software of this tester, analysis and evaluation software can be completed the Real-time Collection of ground source heat pump soil thermal response test experimental data, connect the real-time analysis that computing machine can be realized data.
Description of drawings
Fig. 1 is movable ground source heat pump-soil heat response test instrument structural representation of the present invention;
Fig. 2 is movable ground source heat pump-soil heat response test instrument electrical schematic diagram of the present invention.
Embodiment
Movable ground source heat pump-soil heat response test instrument structural representation, comprise Vertical U-Shaped Tubes 11 as shown in Figure 1, water tank 1, electric heater 2, water circulating pump 9, flowmeter 6; TT﹠C system comprises temperature sensor 7,8, Power Regulation instrument 3, PID controller 4, data collecting instrument 5, frequency converter 10.Vertical U-Shaped Tubes 11 is imbedded to be needed in the geodetic source, Vertical U-Shaped Tubes 11 is connected with water inlet with the water outlet of water tank 1, electric heater 2 is placed in the bottom of water tank 1, temperature sensor 7,8 is placed in respectively water delivering orifice and the water inlet of Vertical U-Shaped Tubes 11, flowmeter 6 is placed in the water inlet of water tank 1, flowmeter 6, temperature sensor 7,8 signals are sent into data collecting instrument 5, Vertical U-Shaped Tubes 11 inlet temperature sensor 8 signals send PID controller 4, PID controller 4 produces output signal and send Power Regulation instrument 3 to control electric heater 2, frequency converter 10 controlled circulation water pumps 9.
Test macro is confirmed ready, and system connects the three phase supply power supply, is in holding state.After confirming the test beginning, first select water tank operational mode (constant temperature or permanent hot-fluid); Press the button switch, start water circulating pump 9, by frequency converter 10 controlled circulation water pump 9 discharges in a desired value.
If system is in permanent hot-fluid operational mode, switch is placed in permanent hot-fluid shelves, the fixedly electrical heating power operation of water tank 1 to load.According to concrete test request, add (unloading) year corresponding heating wire by pushbutton switch and regulate electric heater 2 watt levels.Excessive for preventing the operating circuit electric current, install a fuse additional in every mutually electric loop.
If water tank 1 first presses the button switch with the constant temperature mode operation, connect the working power of PID controller 4; Switch is placed in the constant temperature shelves, and operating personnel control Power Regulation instrument 3 by PID controller 4, and Power Regulation instrument 3 connects well heater 2, makes the water tank water temperature maintain the temperature of setting.System operation early stage, water tank 1 water temperature can be connected simultaneously three groups of heating wire and load simultaneously work during far below set temperature value, and with maximum electrical heating power operation, the shortening system reaches the stable time.After system tends towards stability, unload one group or two groups of heating wire, with the operation of small electric heating power, make water tank heating load and " testing well " institute heat requirement reach optimum matching, improve the observing and controlling precision of whole test macro.
For realizing that above function can use electrical schematic diagram as shown in Figure 2, in figure, QF is isolating switch, and FR1 and FR2 are fuse, and MC1-MC7 is A.C. contactor, and FD is frequency converter, and SBE is emergency stop switch, and SA1 is switch, and SB3-SB7 is pushbutton switch.
Whole tester compact conformation, top are constant temperature water tank, and the bottom is that water pump, flow are taken into account switch board, and all devices is arranged on dolly, and profile is small and exquisite attractive in appearance, tests simple and easy to do.Difference according to test request, the constant temperature water tank quantity of circulating water can be completed the single U-shaped underground pipe of earth source heat pump a bite or the experiment of double-U-shaped ground heat exchanger testing well Soil Thermal response test, and by frequency converter, but stable regulation is controlled fluid flow, flow velocity in ground heat exchanger.The tester thermal source is constant temperature water tank, in test process, can realize two kinds of different stable operation patterns by control system, comprise with the constant temperature mode of set temperature value operation with to set the permanent heat flow density pattern of heat flow density value operation, to satisfy different test requests.The data acquisition software of this tester, analysis and evaluation software can be completed the Real-time Collection of ground source heat pump soil thermal response test experimental data, connect the real-time analysis that computing machine can be realized data.
Claims (2)
1. movable ground source heat pump-soil heat response test instrument, it is characterized in that, comprise Vertical U-Shaped Tubes, water tank, electric heater, water circulating pump, flowmeter, two temperature sensors, the Power Regulation instrument, the PID controller, data collecting instrument, frequency converter, Vertical U-Shaped Tubes is imbedded to be needed in the geodetic source, Vertical U-Shaped Tubes is connected with water inlet with the water outlet of water tank, electric heater is placed in the bottom of water tank, two temperature sensors are placed in respectively water delivering orifice and the water inlet of Vertical U-Shaped Tubes, flowmeter is placed in the water inlet of water tank, flowmeter and two temperature sensor signals are sent into data collecting instrument, the temperature sensor signal that is placed in the Vertical U-Shaped Tubes water inlet send the PID controller, the PID controller produces output signal and send the Power Regulation instrument to control electric heater, frequency converter outputs a control signal to water circulating pump.
2. a movable ground source heat pump-soil heat response test instrument method of testing, comprise movable ground source heat pump-soil heat response test instrument, it is characterized in that, comprises the steps:
1) system operation: Vertical U-Shaped Tubes is imbedded treated in the geodetic source, water tank is connected the three phase supply power supply, set frequency converter, water tank working mode change switch is according to constant temperature or permanent hot-fluid model selection water tank operational mode, PID controller and Power Regulation instrument are controlled water temperature, start water circulating pump, Frequency Converter Control water circulating pump discharge, data collecting instrument gathers Vertical U-Shaped Tubes water outlet and water inlet temperature;
2) permanent hot-fluid operation: at first allow system move by step 1), water tank mode of operation selective switchgear is placed in permanent hot-fluid operational mode, add (unloading) by many group heating wire in electric heater carries, regulate required electrical heating power, this moment, PID controller and Power Regulation instrument did not work on power, and data collecting instrument gathers current Vertical U-Shaped Tubes water outlet and water inlet temperature;
3) temperature-constant operation: at first allow system run to setting discharge by step 1), water tank mode of operation selective switchgear is placed in the temperature-constant operation pattern, this moment, the PID controller output a control signal to the Power Regulation instrument, the Power Regulation instrument is according to the power of control signal control load electric heater, make the Vertical U-Shaped Tubes water inlet temperature that is connected on the water tank outlet reach constant temperature, data collecting instrument gathers Vertical U-Shaped Tubes water outlet and water inlet temperature.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319080A (en) * | 2014-07-31 | 2016-02-10 | 苏州春源地源热泵节能有限公司 | Fiber sensing variable power thermal response tester |
| CN109557126A (en) * | 2018-12-07 | 2019-04-02 | 东北大学 | A kind of measuring device of soil thermal property parameter and seepage parameters |
| CN112595530A (en) * | 2020-11-03 | 2021-04-02 | 陕西中煤新能源有限公司 | Method for obtaining economic flow rate through thermal response test of different flow rates |
| CN108414567B (en) * | 2018-06-11 | 2023-09-19 | 东北林业大学 | Double dynamic variable temperature heat source ground source heat pump experimental device |
| CN117607188A (en) * | 2023-11-28 | 2024-02-27 | 江苏省地质矿产局第一地质大队 | Rock-soil body thermophysical parameter testing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301750A (en) * | 2003-03-31 | 2004-10-28 | Kazuo Shibata | Underground heat sampling tester |
| CN101936931A (en) * | 2010-08-23 | 2011-01-05 | 张国建 | Rock-soil thermal physical property test system |
| CN102033079A (en) * | 2010-11-15 | 2011-04-27 | 南京大学 | Instrument and method for testing stratum in-situ thermal property of ground source heat pump and heat exchange quantity of buried pipe |
| CN201909768U (en) * | 2010-11-26 | 2011-07-27 | 埃美圣龙(宁波)机械有限公司 | Thermal physical property tester for rock soil |
| 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 |
| CN203148866U (en) * | 2013-03-20 | 2013-08-21 | 上海理工大学 | Mobile soil thermal response tester for ground source heat pump |
-
2013
- 2013-03-20 CN CN2013100901677A patent/CN103149234A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301750A (en) * | 2003-03-31 | 2004-10-28 | Kazuo Shibata | Underground heat sampling tester |
| CN101936931A (en) * | 2010-08-23 | 2011-01-05 | 张国建 | Rock-soil thermal physical property test system |
| CN102033079A (en) * | 2010-11-15 | 2011-04-27 | 南京大学 | Instrument and method for testing stratum in-situ thermal property of ground source heat pump and heat exchange quantity of buried pipe |
| CN201909768U (en) * | 2010-11-26 | 2011-07-27 | 埃美圣龙(宁波)机械有限公司 | Thermal physical property tester for rock soil |
| 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 |
| CN203148866U (en) * | 2013-03-20 | 2013-08-21 | 上海理工大学 | Mobile soil thermal response tester for ground source heat pump |
Non-Patent Citations (1)
| Title |
|---|
| 王华军 等: "土壤热响应特性的一种改进实验装置", 《太阳能学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319080A (en) * | 2014-07-31 | 2016-02-10 | 苏州春源地源热泵节能有限公司 | Fiber sensing variable power thermal response tester |
| CN108414567B (en) * | 2018-06-11 | 2023-09-19 | 东北林业大学 | Double dynamic variable temperature heat source ground source heat pump experimental device |
| CN109557126A (en) * | 2018-12-07 | 2019-04-02 | 东北大学 | A kind of measuring device of soil thermal property parameter and seepage parameters |
| CN112595530A (en) * | 2020-11-03 | 2021-04-02 | 陕西中煤新能源有限公司 | Method for obtaining economic flow rate through thermal response test of different flow rates |
| CN117607188A (en) * | 2023-11-28 | 2024-02-27 | 江苏省地质矿产局第一地质大队 | Rock-soil body thermophysical parameter testing method |
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Application publication date: 20130612 |