CN101299000B - Heat exchange tester of ground source heat pump underground heat exchanger - Google Patents
Heat exchange tester of ground source heat pump underground heat exchanger Download PDFInfo
- Publication number
- CN101299000B CN101299000B CN2008100699190A CN200810069919A CN101299000B CN 101299000 B CN101299000 B CN 101299000B CN 2008100699190 A CN2008100699190 A CN 2008100699190A CN 200810069919 A CN200810069919 A CN 200810069919A CN 101299000 B CN101299000 B CN 101299000B
- Authority
- CN
- China
- Prior art keywords
- water
- water tank
- heat
- pipe
- underground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A heat exchange measuring device of the ground source heat pump underground heat interchanger relates to the scene measuring device of the ground source heat pump underground heat interchanger. The invention includes a heat interchanger buried under the ground and a water tank having a heater and a refrigerator arranged above the ground and a meter box having five figure display instruments. The invention has simple structure, convenient operation, exact measurement and high precision, which can measure the heat dissipating capacity and the decalescence heat exchange of the ground source heat pump underground heat interchanger, and can adjust the parameters of the burying depth of the underground heat interchanger, the water intake flux of the burying device, the water intake temperature for measurement. The invention can be widely used for the measurement of the heat dissipating capacity or the decalescence heat exchange basic data, which provides reliable, comprehensive and correct basis data to the design, the construction and the operation of the ground source heat pump system engineering.
Description
One, technical field:
The invention belongs to the technical field of measurement and test of earth-source hot-pump system, particularly the on-site testing device of subterranean heat exchanger of earth source heat pump heat.
Two, background technology:
According to incompletely statistics, China's building energy consumption has reached 27.5% of total energy consumption at present, and this numeral also will constantly increase along with the fast development of China's building trade.Therefore, along with establishing of energy-saving and emission-reduction fundamental state policy, carrying out of building energy conservation work also seems more significant., realize energy-conservation 30%～35% about realizing the goal programming of building energy conservation 65% according to country, in the energy consumption equipment system, also will realize energy-conservation more than 30% except improving building enclosure.And the utilization of regenerative resource, energy-conservation ratio that undoubtedly can effectively realization device systems aspect.According to studies show that, utilize the air-conditioning system of regenerative resources such as soil source earth source heat pump, because cold and hot source has comparatively stable temperature field throughout the year, and has tangible temperature advantage, therefore can effectively realize air conditioner system energy saving 35%～40%.
For the soil source earth-source hot-pump system, because in underground 50～100m depths, the underground temperature maintains about 20 ℃ throughout the year, this has significant effect for the evaporating temperature that promotes air-conditioning system in the condensing temperature that reduces air-conditioning system summer, winter, therefore, utilize the heat pump type air conditioning system of soil as Cooling and Heat Source, its refrigeration and heating efficiency can reach 3.5～4.4, compare with traditional air source heat pump, can realize energy-conservation 35%～40%.Yet owing to utilize the soil source earth-source hot-pump system of soil as the air-conditioning system Cooling and Heat Source, its concrete operating condition and refrigerated medium heat are closely to link to each other with the heat of the ground heat exchanger of system.The heat exchange effect of ground heat exchanger directly has influence on the principle of design of operating condition, refrigerated medium heat and the system of system's hot and cold water unit.This shows that definite science for such engineering of the heat of ground heat exchanger implements to play crucial effects.And the heat of ground heat exchanger is relevant with factors such as the on-site geology soil texture of each engineering, system operation flow, and it is according to different engineering characteristics and difference, so must be determined according to the method that the engineering actual conditions are taked to survey.At present, domestic this type of a large amount of engineering all adopts external engineering experience value or according to the theoretical value that calculates, still lacks actual engineering test value when designing and calculating.In order to guarantee the normal operation and the appropriate design of soil source earth-source hot-pump system, at the beginning of engineering is carried out, the strict scientific methods that adopts is carried out on-the-spot test to the heat of engineering location ground heat exchanger, can guarantee the operation of soil source earth-source hot-pump system long-term stability and the design of economical rationality.Therefore, at first to solve this difficult problem of subterranean heat exchanger of earth source heat pump heat on-site testing device.
Existing subterranean heat exchanger of earth source heat pump heat on-site testing device is " a kind of temperature measuring equipment that is used for earth-source hot-pump system energy well " patent of ZL200520113955.4 as the patent No..Disclosed device is by temperature survey part and temperature acquisition part (being data collecting instrument) and temperature display part (being that computer shows and storage), its temperature survey partly is inner temperature sensor and the sealed at both ends pipe of being equiped with, put into tested energy well, temperature sensor in the pipe is directly measured the temperature in the temperature well, this device can only measured soil geothermal using temperature field distribution and situation of change, can not be as the in-site measurement of the underground heat-exchanger rig of earth source heat pump, can not carry out the ground heat exchanger heat, the test of ground heat exchanger unit length heat more can not realize that the room air conditioner energy saving of system provides reliable and complete basic data for utilizing soil source.
Three, summary of the invention
The objective of the invention is weak point, a kind of subterranean heat exchanger of earth source heat pump heat measuring instrument is provided at existing subterranean heat exchanger of earth source heat pump heat field measurement apparatus.Have easy to use, simple to operate, cost is low, measurement is accurate, precision is high, the scalable operating condition, can realize design, construction and the operation of room air conditioner energy saving of system for utilizing soil source, and reliable and complete characteristics such as basic data are provided.
The object of the present invention is achieved like this: a kind of heat tester of subterranean heat exchanger of earth source heat pump mainly comprises being embedded in underground heat interchanger and being arranged at water tank on the ground and instrument box etc.Ground heat exchanger is the U-shaped pipe, is embedded in the underground degree of depth and decides according to the requirement of test.Water tank is the square or rectangular container that top cover is arranged, and has so both guaranteed the peace and quiet of water quality in the water tank, makes things convenient for the maintenance of equipment in the water tank (as well heater and refrigerator, sensor etc.) again.Top in water tank one side is provided with water delivering orifice, water outlet of water tank passes through rising pipe, and pass through operation valve successively, temperature sensor, flow sensor, one port of water circulating pump and tensimeter and ground heat exchanger is affixed, opposite side bottom at water tank is provided with water inlet, water tank inlet passes through water inlet pipe, and successively through operation valve, the other end of temperature sensor and tensimeter and ground heat exchanger is affixed, water circulating pump is in order to promote the circulation of water in ground heat exchanger in the water tank, temperature sensor in the water inlet pipe and water outlet pipe and flow sensor are used for detecting respectively advancing in the water tank, going out temperature and water flow (is going out of ground heat exchanger, water inlet temperature and discharge).The tensimeter of water inlet pipe and water outlet pipe is used for monitoring the Inlet and outlet water pressure of ground heat exchanger, to guarantee the normal circulation of water in the ground heat exchanger.Also be provided with water supplement port on the water tank upper top cover, the water tank water supplement port utilizes near the municipal grid the tested place, to the water tank moisturizing, guarantees the ordinary water level in the water tank, in order to the smooth and easy water outlet of radiator drain by water pipe.Be provided with overflow vent at water tank upper, the water tank overflow mouth flows out by overflow pipe and introduces in the water container, preventing the overflow water sinuous flow of water case, and collects overflow water and utilizes.Be provided with freeing port at water tank bottom by water delivering orifice one side, water tank outlet is by drainpipe and through the operation valve draining, so that test the usefulness of discharging the water in the water tank when finishing and cleaning the water tank blowdown.Water delivering orifice in water tank is other to be provided with level sensor and temperature sensor, so that ordinary water level in the monitoring water tank and the water temperature in the water tank.Bottom in water tank is equiped with well heater and refrigerator, so that the water in the water tank is heated or cool off by the requirement of test, is used for testing the heat of the heat radiation or the heat absorption of ground heat exchanger.
Instrument box is square or rectangular tank, in instrument box, is equiped with a water level read out instrument and three temperature digital Displaying Meters and traffic figure Displaying Meter totally five read out instruments.Five read out instruments, pass through lead respectively, and respectively accordingly with water tank in level sensor be connected with the temperature sensor of cooling-water temperature sensor and water tank inlet tube and outlet tube and the flow sensor of radiator drain, in order to show above-mentioned water level, the water yield, the monitoring number of flow everywhere, so that by heat radiation or the heat of heat absorption and the heat of unit length thereof of artificial or single-chip microcomputer counter ground heat exchanger, and the basic data of the earth-source hot-pump systems such as mean heat transfer coefficient of tested soil.
Use of the present invention:
1, Ce Shi preparation.Earlier heat interchanger is embedded in the ground of the test request degree of depth, affixed twice with ground heat exchanger respectively with the inlet tube and outlet tube in the water tank again, and shut the operation valve of water inlet pipe and water outlet pipe, utilize near the city planting ductwork of testing location that water tank is carried out moisturizing to ordinary water level, open the operation valve of radiator drain and the operation valve of water inlet pipe again, after the leaving water temperature of water tank is set, open the well heater in the water tank, when the water temperature for the treatment of water tank reaches setting value, the ON cycle water pump is also regulated discharge to setting value, test readyly, can begin test job.
2, carry out test record.After test job begins, after test macro is stablized (promptly observing the stable into and out of water temperature of the interior water tank of instrument box), begin to carry out test record, every one hour, the water temperature of a radiator drain of record and the water temperature of flow and tank inlet pipe, continuous recording 8-12 hour, guarantee the accuracy of test data.
3, calculate.According to the accurate data of test record,, calculate according to following computing formula by artificial or single-chip microcomputer:
(1) the heat radiation heat Q of ground heat exchanger
1:
Q＝C
P×ρ×L×Δt
In the formula, Q
1-ground heat exchanger heat, kw;
C
p-specific heat of water, kJ/kg ℃;
The density of ρ-water, kg/m
3
The L-circulating water flow, m
3/ s;
The water outlet of Δ t-water tank and the water inlet temperature difference, ℃.
(2) the average heat radiation heat q of ground heat exchanger unit length
1:
q＝Q/l
In the formula, the q-ground heat exchanger unit length heat of on average dispelling the heat, kw/m;
The pipe laying depth of l-ground heat exchanger, m.
(3) Coefficient K of the average heat radiation of tested soil
1
In the formula, K
1-soil mean heat transfer coefficient, kw/ (m ℃);
t
pThe water outlet of-water tank, water inlet medial temperature, ℃;
t
0The initial temperature of-soil, ℃.
Use the same method, open the refrigerator in the water tank, after testing, calculate the absorption heat Q of ground heat exchanger
2And the average heat absorption heat q of ground heat exchanger
2And the Coefficient K of the average heat absorption of tested soil
2
After the present invention adopts technique scheme, mainly contain following effect:
1, measurement is accurate, precision is high.The present invention adopts hot water circulation to measure the ground heat exchanger heat dissipation capacity; Adopt the cold water circulation to measure the caloric receptivity of underground heating radiator; The water temperature of the employing sensor measurement circulation system, flow etc.Under the water temperature stability service condition of recirculated water, every the flow of a recirculated water of 1 hour record, the water temperature of water tank and the water temperature of water tank water-in and water-out, continuous recording 8～10 hours, calculate by artificial or single-chip microcomputer then, calculate the basic data of the earth-source hot-pump systems such as mean heat transfer coefficient of the heat of total heat (i.e. caloric receptivity and heat dissipation capacity) of underground heating radiator and unit length and tested soil, measurement is accurate, precision is high, is convenient to engineering design, construction and the operation of earth-source hot-pump system.
2, can be according to different operating condition requirements, regulate the depth of burying, burial place, flow of inlet water (being the water flow of water tank), the inflow temperature parameters such as (being the leaving water temperature of water tank) of ground heat exchanger and test, its test result can be comprehensively the actual conditions of the heat radiation of source heat pump underground heat exchanger or heat absorption heat corresponsively.
3, simple in structure, cost is low.The present invention constitutes circulation by water tank, water pump, operation valve, water pipe, constitutes the measurement display system by water level, water temperature, flow sensor and read out instrument thereof, and is simple in structure, easy to use, with low cost.
4, simple to operate, to measure cost low.The present invention adopts artificial or single-chip microcomputer calculates, and is simple to operate, and it is low to measure cost.
The present invention can be widely used as the test of the underground heat of the earth source heat pump of buildings (i.e. caloric receptivity and heat dissipation capacity) basic data, for design, construction and the operation etc. of the earth-source hot-pump system engineering of buildings provide reliably, basic data comprehensively and accurately.
Four, description of drawings
Fig. 1 is a theory structure synoptic diagram of the present invention;
Fig. 2 is the structural representation of the water tank-ground heat exchanger system of present embodiment.
Among the figure: 1 water tank, 2 well heaters and refrigerator, 3 rising pipes, 4 water inlet pipes, 5 operation valves, 6 temperature sensors, 7 flow sensors, 8 water circulating pumps, 9 ground heat exchangers, 10 level sensors, 11 instrument boxs, 12 water supplement ports, 13 run-down pipes, 14 drainpipes, 15 tensimeters.
Five, embodiment
Below in conjunction with embodiment, further specify invention.
As shown in Figure 1, 2, a kind of heat tester of subterranean heat exchanger of earth source heat pump mainly comprises being embedded in underground heat interchanger 9 and being arranged at water tank 1 on the ground and instrument box 11 etc.Ground heat exchanger 9 is U-shaped PE pipe, bury underground and underground 100 meters, water tank 1 is for there being the square plastic container of top cover, top in water tank 1 one sides is provided with water delivering orifice, water tank 1 water delivering orifice is by plastics rising pipe 3, and pass through ball-type operation valve 5, temperature sensor 6, flow sensor 7, water circulating pump 8 and tensimeter 15 successively, affixed with an end of underground U-shaped PE heat exchange of heat pipe 9 by screw thread.Opposite side bottom at water tank 1 is provided with water inlet, and water tank 1 water inlet passes through plastics water inlet pipe 4, and passes through ball-type operation valve 5, temperature sensor 6 and tensimeter 15 successively, and is affixed by screw thread with the other end of underground U-shaped PE heat exchange of heat pipe 9.Also be provided with water supplement port 12 on water tank 1 top, water tank 1 water supplement port 12 utilizes near the municipal grid the tested place, by water pipe to water tank 1 moisturizing.Water tank 1 top is provided with overflow vent, in 13 outflows of plastics overflow pipe and introducing water container.Be provided with freeing port in water tank 1 bottom ports water delivering orifice one side, water tank 1 freeing port is by plastic drain- pipe 14, and 5 drainings of process ball-type operation valve.Bottom in water tank 1 is equiped with electric heater and refrigerator 2, and instrument box 11 is the rectangle transparent plastic container, and its back side is for passing through the affixed plate face of screw thread.In instrument box 11, from left to right, be equiped with a water level read out instrument, two temperature digital Displaying Meters, traffic figure Displaying Meter and temperature digital Displaying Meter totally five read out instruments successively, five read out instruments in the instrument box 11, admittance line respectively, and respectively accordingly with water tank 1 in level sensor 10 and the temperature sensor 6 of the temperature sensor 6 of temperature sensor 6, rising pipe 3 and flow sensor 7, water inlet pipe 4 be connected.
A kind of heat tester of subterranean heat exchanger of earth source heat pump, with embodiment 1, feature is: its ground heat exchanger 9 is the U-shaped PAP, bury underground and underground 50 meters, water tank 1 is for there being the rectangle iron ware of top cover, water tank 1 water delivering orifice is by coating steel pipe rising pipe 3, and pass through ball-type operation valve 5 successively, temperature sensor 6, flow sensor 7, water circulating pump 8 and tensimeter 15, affixed with an end of the plastic-aluminum combined heat exchange of heat pipe 9 of underground U-shaped by screw thread, water tank 1 water inlet is by coating steel pipe water inlet pipe 4, and pass through ball-type operation valve 5 successively, temperature sensor 6 and tensimeter 15, affixed with the other end of the plastic-aluminum combined heat exchange of heat pipe 9 of underground U-shaped by screw thread, water tank 1 overflow vent flows out by coating steel pipe overflow pipe 13, water tank 1 freeing port is by coating steel pipe drainpipe 14, and through 5 drainings of ball-type operation valve, instrument box 11 is square transparent plastic container, its back side is for passing through the affixed plate face of screw thread, in instrument box 11, five read out instruments divide two row's installings, last row's water level read out instrument of installing and a temperature digital Displaying Meter, following row installs a temperature digital Displaying Meter and a traffic figure Displaying Meter and a temperature digital Displaying Meter successively.
Claims (3)
1. the heat tester of a subterranean heat exchanger of earth source heat pump, mainly comprise and be arranged at water tank (1) on the ground and be embedded in underground heat interchanger (9), it is characterized in that instrument box (11) in addition, ground heat exchanger (9) is the U-shaped pipe, water tank (1) is for there being the square or rectangular container of top cover, top in water tank (1) one side is provided with water delivering orifice, water tank (1) water delivering orifice is by rising pipe (3), and pass through operation valve (5) successively, temperature sensor (6), flow sensor (7), water circulating pump (8) and tensimeter (15), affixed with a port of ground heat exchanger (9), opposite side bottom at water tank (1) is provided with water inlet, water tank (1) water inlet is by water inlet pipe (4), and successively through operation valve (5), temperature sensor (6) and tensimeter (15), affixed with the other end of ground heat exchanger (9), on the top cover of water tank (1) top, also be provided with water supplement port (12), water tank (1) water supplement port (12) utilizes near the municipal grid the tested place, by water pipe to water tank (1) moisturizing, be provided with overflow vent on water tank (1) top, overflow vent flows out by overflow pipe (13), be provided with freeing port at water tank (1) inner bottom part by water delivering orifice one side, water tank (1) freeing port is by drainpipe (14), and through operation valve (5) draining, other level sensor (10) and the temperature sensor (6) of being provided with of water delivering orifice in water tank (1), bottom in water tank (1) is equiped with well heater and refrigerator (2), instrument box (11) is square or rectangular tank, in instrument box (11), be equiped with a water level read out instrument and three temperature digital Displaying Meters and traffic figure Displaying Meter totally five read out instruments, five read out instruments in the instrument box (11), admittance line respectively, and respectively accordingly with water tank (1) in SEA LEVEL VARIATION sensor (10) and temperature sensor (6), the temperature sensor (6) of rising pipe (3) and flow sensor (7), the temperature sensor (6) of water inlet pipe (4) connects.
2. according to the heat tester of the described subterranean heat exchanger of earth source heat pump of claim 1, it is characterized in that: ground heat exchanger (9) is U-shaped PE pipe, bury underground and underground 100 meters, water tank (1) is for there being the square plastic container of top cover, water tank (1) water delivering orifice is by plastics rising pipe (3), and pass through ball-type operation valve (5) successively, temperature sensor (6), flow sensor (7), water circulating pump (8) and tensimeter (15), affixed with an end of underground U-shaped PE heat exchange of heat pipe (9) by screw thread, water tank (1) water inlet is by plastics water inlet pipe (4), and pass through ball-type operation valve (5) successively, temperature sensor (6) and tensimeter (15), affixed with the other end of underground U-shaped PE heat exchange of heat pipe (9) by screw thread, water tank (1) overflow vent is drawn by plastics overflow pipe (13), water tank (1) freeing port is by plastic drain-pipe (14), and through ball-type operation valve (5) draining, instrument box (11) is the rectangle transparent plastic container, its back side is for passing through the affixed plate face of screw thread, in instrument box (11), from left to right, be equiped with a water level read out instrument successively, two temperature digital Displaying Meters, traffic figure Displaying Meter and temperature digital Displaying Meter be totally five read out instruments.
3. according to the heat tester of the described subterranean heat exchanger of earth source heat pump of claim 1, it is characterized in that: ground heat exchanger (9) is the U-shaped PAP, bury underground and underground 50 meters, water tank (1) is for there being the rectangle container made of iron of top cover, water tank (1) water delivering orifice is by coating steel pipe rising pipe (3), and pass through ball-type operation valve (5) successively, temperature sensor (6), flow sensor (7), water circulating pump (8) and tensimeter (15), affixed with an end of the plastic-aluminum combined heat exchange of heat pipe of underground U-shaped (9) by screw thread, water tank (1) water inlet is by coating steel pipe water inlet pipe (4), and pass through ball-type operation valve (5) successively, temperature sensor (6) and tensimeter (15), affixed with the other end of the plastic-aluminum combined heat exchange of heat pipe of underground U-shaped (9) by screw thread, water tank (1) overflow vent flows out by coating steel pipe overflow pipe (13), water tank (1) freeing port is by coating steel pipe drainpipe (14), and through ball-type operation valve (5) draining, instrument box (11) is square transparent plastic container, its back side is for passing through the affixed plate face of screw thread, in instrument box (11), five read out instruments divide two row's installings, last row's water level read out instrument of installing and a temperature digital Displaying Meter, following row installs a temperature digital Displaying Meter and a traffic figure Displaying Meter and a temperature digital Displaying Meter successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100699190A CN101299000B (en) | 2008-07-03 | 2008-07-03 | Heat exchange tester of ground source heat pump underground heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100699190A CN101299000B (en) | 2008-07-03 | 2008-07-03 | Heat exchange tester of ground source heat pump underground heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101299000A CN101299000A (en) | 2008-11-05 |
| CN101299000B true CN101299000B (en) | 2010-06-09 |
Family
ID=40078894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100699190A Expired - Fee Related CN101299000B (en) | 2008-07-03 | 2008-07-03 | Heat exchange tester of ground source heat pump underground heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101299000B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091358B (en) * | 2011-11-08 | 2015-04-08 | 同济大学 | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof |
| CN103090608B (en) * | 2013-02-07 | 2015-03-04 | 江苏新城新能源有限公司 | Ground source heat pump buried pipe system with monitoring function |
| CN104280257A (en) * | 2014-09-30 | 2015-01-14 | 合肥天地源节能技术开发有限公司 | Heat exchange capability testing equipment of underground heat exchanger of ground source heat pump |
| CN104567172B (en) * | 2014-12-30 | 2017-10-17 | 徐州中矿大传动与自动化有限公司 | A kind of intelligent water-cooled system with self-regulation ability |
| CN104614163A (en) * | 2015-01-19 | 2015-05-13 | 北京中科华誉能源技术发展有限责任公司 | Thermal response testing device in ground-source heat pump system |
| CN105784403A (en) * | 2016-04-29 | 2016-07-20 | 广东美的暖通设备有限公司 | Heat pump system energy efficiency calculating equipment and method thereof |
| CN106017744A (en) * | 2016-06-19 | 2016-10-12 | 杭州滨创能源科技有限公司 | Device and method for testing heat exchange amount and thermophysical performance in binary-state heat exchange of buried pipe and rock-soil |
| CN109405914A (en) * | 2018-09-25 | 2019-03-01 | 嘉兴汇昌塑业有限公司 | A kind of buried meter box |
| CN111504517A (en) * | 2020-04-23 | 2020-08-07 | 陕西长岭特种设备股份有限公司 | Heat exchange quantity testing method for water cooling equipment |
| CN113218456A (en) * | 2021-05-27 | 2021-08-06 | 山东英信计算机技术有限公司 | Water-cooling CPU radiator test system |
| CN114034413A (en) * | 2021-09-17 | 2022-02-11 | 中材(北京)地热能科技有限公司 | Dynamic heat exchange amount measuring instrument for middle-deep geothermal well |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2441840A1 (en) * | 1978-11-14 | 1980-06-13 | Vicha | Tester for heat output of geothermal bore hole - involves contact with fluid whose cooling power is known, and uses U=shaped pipe in reservoir of refrigerant |
| CN1451954A (en) * | 2002-01-21 | 2003-10-29 | 米砂瓦环境技术株式会社 | Geothermal heat exchanger heating assaying method and device |
| CN2695937Y (en) * | 2004-04-02 | 2005-04-27 | 张伯明 | Integral meter for measuring heat quantity |
| CN2807223Y (en) * | 2005-07-18 | 2006-08-16 | 北京工业大学 | Temperature measurer for energy source well for geothermal heat pump system |
-
2008
- 2008-07-03 CN CN2008100699190A patent/CN101299000B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2441840A1 (en) * | 1978-11-14 | 1980-06-13 | Vicha | Tester for heat output of geothermal bore hole - involves contact with fluid whose cooling power is known, and uses U=shaped pipe in reservoir of refrigerant |
| CN1451954A (en) * | 2002-01-21 | 2003-10-29 | 米砂瓦环境技术株式会社 | Geothermal heat exchanger heating assaying method and device |
| CN2695937Y (en) * | 2004-04-02 | 2005-04-27 | 张伯明 | Integral meter for measuring heat quantity |
| CN2807223Y (en) * | 2005-07-18 | 2006-08-16 | 北京工业大学 | Temperature measurer for energy source well for geothermal heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101299000A (en) | 2008-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101299000B (en) | Heat exchange tester of ground source heat pump underground heat exchanger | |
| Liu et al. | Performance and feasibility study of hybrid ground source heat pump system assisted with cooling tower for one office building based on one Shanghai case | |
| Zhu et al. | Performance evaluation before and after solar seasonal storage coupled with ground source heat pump | |
| CN101424598B (en) | Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method | |
| Wang et al. | A case study of underground thermal storage in a solar-ground coupled heat pump system for residential buildings | |
| CN202442821U (en) | Soil source heat pump buried pipe heat exchanging and soil thermal property testing apparatus | |
| CN102243192B (en) | Multifunctional rock-soil body thermal-physical property testing device for ground source heat pump | |
| CN105372082B (en) | A kind of energy-efficient environment-friendly multifunctional intellectuality heat exchanger performance test system | |
| CN101887040B (en) | Synchronous cold/thermal response ground thermal property tester | |
| CN204027850U (en) | The intelligent performance testing device of heat exchanger of energy-efficient environment-friendly multifunctional | |
| Liu et al. | Study on heat transfer model of capillary exchanger in subway source heat pump system | |
| CN103091358A (en) | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof | |
| Liu et al. | A practical research on capillaries used as a front-end heat exchanger of seawater-source heat pump | |
| Yu et al. | Analysis of a novel combined heat exchange strategy applied for cooling towers | |
| Cheng et al. | Study of heat-source-tower heat pump system efficiency | |
| CN104298888B (en) | Fan coil cold measuring method based on flow-cold relation model | |
| Fan et al. | Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system | |
| Li et al. | Driving factors of the thermal efficiency of ground source heat pump systems with vertical boreholes in Chongqing by experiments | |
| CN102901588A (en) | Heat quantity calculating device and heating ventilation air conditioning system | |
| CN103323149B (en) | Heat metering method based on household radiator heat distribution meter method realization heating system and heat metering system thereof | |
| CN203299154U (en) | Variable-frequency heat pump type rock-soil thermophysical property tester | |
| CN102175715A (en) | Thermal response testing method and device of dual-condition rock and soil mass | |
| CN202735280U (en) | Building envelope structure heat transfer coefficient detector | |
| CN102680268B (en) | Performance test device of air-cooling water chilling unit | |
| CN101587023A (en) | Tester of buried tube heat exchange capability and resistance based on earth source heat pump and testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20130703 |