CN202598648U - Solar energy and ground source heat pump combined system - Google Patents
Solar energy and ground source heat pump combined system Download PDFInfo
- Publication number
- CN202598648U CN202598648U CN2012201602315U CN201220160231U CN202598648U CN 202598648 U CN202598648 U CN 202598648U CN 2012201602315 U CN2012201602315 U CN 2012201602315U CN 201220160231 U CN201220160231 U CN 201220160231U CN 202598648 U CN202598648 U CN 202598648U
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- Prior art keywords
- heat
- heat pump
- soil
- solar
- unit
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- 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
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- 239000002689 soil Substances 0.000 claims abstract description 61
- 238000009825 accumulation Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005338 heat storage Methods 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Central Heating Systems (AREA)
Abstract
The utility model discloses a solar energy and ground source heat pump combined system comprising a soil source heat pump unit, a solar heat pump compatible unit and a soil heat exchanger buried underground, and further comprises a solar heat collector, a heat radiation board, and an embedded heat storage groove, wherein the solar heat collector, a solar heat pump compatible unit, a ground source heat pump unit and the heat radiation board are connected in sequence through pipelines; the soil heat exchanger is connected with the solar heat pump compatible unit through a pipeline, and is connected with the embedded heat storage groove through a pipeline; and the embedded heat storage groove is connected with the solar heat pump compatible unit through a pipeline. According to the solar energy and ground source heat pump combined system provided by the utility model, the problem that the ground source heat pump system has thermal unbalance of 'taking in winter and filling in summer' when being used in a severe cold area can be effectively solved, so that the normal operation of the unit is ensured, and the construction difficulty is reduced.
Description
Technical field
The utility model relates to a kind of system to building heating cooling, specifically a kind of solar energy and earth source heat pump hybrid system.
Background technology
Earth-source hot-pump system is to utilize soil as low-temperature heat source; By source pump and holonomic system that corollary equipment constituted thereof; From soil, extract heat winter and heat up to building heats through source pump, summer, transfer of heat that indoor temperature is higher was in soil and to the regenerative resource heating ventilation air-conditioning system of the lower heat of indoor release temperature.
At cold district and severe cold area, heating is very important and indispensable to building in season in winter, especially at severe cold area.For energy-saving and emission-reduction, alleviate the pollution that the city increases day by day, a lot of areas also utilize earth-source hot-pump system to be building heating in the winter time.
Yet, at cold district and severe cold area, especially use the earth source heat pump heating in western severe cold area big city, still exist storage how not enough.
1, there is " the thermal unbalance problem of " winter gets the summer and irritates ".Earth-source hot-pump system is Cooling and Heat Source with soil.In the winter time, with being higher than the low level heat energy of the soil of environment temperature as heat pump, " extraction " heat supplies building and heating from soil; In summer, with being lower than the low-temperature receiver of the soil of environment temperature as heat pump, with the indoor heat that extracts " releases " in soil, i.e. " winter is got the summer filling ".Only reach under the situation of balance in " winter gets " and " summer fillings ", earth-source hot-pump system could safety, stable, be that building heats sustainably.And, use earth-source hot-pump system to exist the heating time to grow the problem that (as more than 4300 hours) and cooling time are lacked (being about 800 hours) at severe cold area.Because the total amount of heat that winter heating time length need be extracted from soil is big; The heat that cooling time in summer short (even need not refrigeration) discharges in the soil is few; Poor because of the soil heat diffusion capabilities again, the soil moisture can not return to original state in the short period of time.Earth-source hot-pump system is through the running in some cycles, and the underground temperature that will engender that is embedded with the soil heat exchange device reduces, the available interior problem that can reduce.If things go on like this, can't effectively carry out heat supply in winter to building.
2, the low low problem of heating performance coefficient COP that causes of the soil moisture.Soil moisture height is bigger for the influence of soil source heat pump heating performance.Because the variable working condition characteristic that the soil source heat pump unit exists, when the soil moisture was higher, the working medium temperature that gets into source pump through the soil heat exchange device was also higher, source pump heating performance coefficient also higher (as reaching about 6～7); When the soil moisture was low, the working medium temperature that gets into source pump through the soil heat exchange device was also lower, source pump heating performance coefficient also lower (as reaching about 3～4).At severe cold area, underground temperature lower (as about 8 ℃～10 ℃) causes the working medium temperature lower (as about 8 ℃～9 ℃) in the soil heat exchange device, causes the earth-source hot-pump system heat capacity poor, and heating performance is poor, even problem such as heating effect is bad.
3, there is the difficult problem of boring.At western severe cold area, the city is mostly built on the oasis, Desert of Gobi, underground many gravels.The use earth-source hot-pump system need be in the more boring of underground drilling, so that the soil heat exchange device to be installed.Because underground gravel is very hard, and quantity is a lot, the boring difficulty, the cost that causes holing is higher, has increased construction cost greatly.This is very unfavorable as building heating for using soil source heat pump system.
4, the problem that has lack of space.Nowadays, along with economy develops rapidly, the city is sharply expanded, and builds more and more crowdedly, and the close together between building and the building can be used for holing the lack of space of soil heat exchange device is installed.Especially severe cold area; Use the terrestrial heat pump system need bore more boring, need more place, but owing to available place between the building is very limited; Do not have enough place boring that the soil heat exchange device is installed, cause to use soil source heat pump system to heat as building.
Summary of the invention
The technical problem that the utility model will solve provides a kind of solar energy and earth source heat pump hybrid system, effectively guarantees the normal operation of whole system, increases the service life, and is not fragile, and difficulty of construction reduces.
In order to solve the problems of the technologies described above, the utility model is taked following technical scheme:
A kind of solar energy and earth source heat pump hybrid system; Comprise soil source heat pump unit, the compatible unit of solar heat pump and be embedded in underground soil heat exchange device; Said system also comprises solar thermal collector, heat sink and buried heat accumulation groove; Connect successively through pipeline between solar thermal collector, the compatible unit of solar heat pump, earth source heat pump unit, the heat sink; The soil heat exchange device is connected through the compatible unit of pipeline and solar heat pump, and the soil heat exchange device is connected with buried heat accumulation groove through pipeline, and buried heat accumulation groove passes through pipeline and solar heat pump compatibility unit is connected.
Also be provided with buried heat regenerator in the said buried heat accumulation groove.
Be filled with heat-storing material in the said buried heat accumulation groove.
The utility model efficiently solves earth-source hot-pump system and uses existing thermal unbalance problem at severe cold area, and thermmal storage utilization and two aspects of soil natural temperature recovery capability through solar energy realize the energy balance of " winter gets the summer and irritates ".Guarantee that whole unit is not fragile, increase the service life, improved the thermal efficiency.In addition, greatly reduce difficulty of construction, be convenient to construction, manufacturing cost reduces, but extensive use.
Description of drawings
Accompanying drawing 1 is the utility model pipeline catenation principle sketch map.
The specific embodiment
For the ease of those skilled in the art's understanding, the utility model is done further to describe below in conjunction with accompanying drawing.
Shown in accompanying drawing 1; The utility model has been pointed out a kind of solar energy and earth source heat pump hybrid system; Comprise soil source heat pump unit 3, the compatible unit 3 of solar heat pump and be embedded in underground soil heat exchange device 7; Said system also comprises solar thermal collector 1, heat sink 4 and buried heat accumulation groove 6, connects successively through pipeline between solar thermal collector 1, the compatible unit 2 of solar heat pump, earth source heat pump unit 3, the heat sink 4, and soil heat exchange device 7 is connected through the compatible unit 2 of pipeline and solar heat pump; And soil heat exchange device 7 is connected with buried heat accumulation groove 6 through pipeline, and buried heat accumulation groove 6 is connected through the compatible unit 2 of pipeline and solar heat pump.In order further to strengthen heat storage capacity, in buried heat accumulation groove 6, also be provided with buried heat regenerator 5, be filled with a large amount of heat-storing materials equally in the buried heat accumulation groove 6, guarantee the storage of heat.
The utility model can be set up in parallel a plurality of soil heat exchange devices and buried heat accumulation groove simultaneously, and buried heat accumulation groove is located between two adjacent soil heat exchanges.The soil heat exchange device is connected in parallel, and each buried heat accumulation groove is connected in parallel.
In the technical scheme of the utility model prompting, solar thermal collector absorbs solar energy, through pipeline a solar energy part that absorbs is released in the buried heat accumulation groove then to store, and another part solar energy is stored in the buried heat regenerator.The soil heat exchange device then plays the effect of from soil, extracting heat.The compatible unit of solar heat pump plays provides thermal-arrest circulation power, heat-obtaining circulation power, regulate control and effects such as thermal source are provided for the soil source heat pump unit.The soil source heat pump unit plays the heating agent that is provided for the compatible unit of solar heat pump and heats up in system, and to the effect of building heating.Heat sink then has been to be the effect of indoor distribute heat, and end equipment all is to adopt heat sink generally speaking.Certainly, in some areas or building some the heating subregion, also can use fan coil, air-conditioner airduct road etc. as end equipment.
The technical scheme of the utility model prompting efficiently solves the problem of " winter gets the summer and irritates " thermal unbalance.
Earth-source hot-pump system is to utilize underground to carry out the heat supplying air conditioning device of power conversion as low order heat source for heat pump.During summer air-conditioning, indoor waste heat is released in the soil through the soil heat exchange device after shifting through heat sink, earth source heat pump unit, utilizes soil to store heat simultaneously, uses in order to winter heating.The high sunlight of summer temp is many simultaneously, and solar thermal collector absorbs solar energy and stores up in buried heat accumulation groove and the buried heat regenerator.
During winter heating; The hybrid system of the utility model is through extracting the part heat from be embedded in the solar energy heat-storage groove between each soil heat exchange device; The mode of the quantity of heat is extracted in minimizing from soil, the imbalance of the heat that in soil, discharges when remedying heat that heat supply in winter extracts and summer air-conditioning refrigeration from soil.Thermmal storage utilization and two aspects of soil natural temperature recovery capability through solar energy realize the energy balance of " winter gets the summer and irritates ".
Also effectively improve the temperature that working medium gets into source pump.Water temperature is the main cause that influences the earth source heat pump heating performance.Especially at severe cold area, underground temperature lower (as about 8 ℃～10 ℃) causes earth-source hot-pump system efficient lower.When winter, heat pump heated heating, higher temperature thermal source (as about 20 ℃) can make earth source heat pump will be in optimum condition.In the utility model hybrid system; The heat-transfer working medium that the temperature of coming out from the soil heat exchange device is lower (like water and ethylene glycol solution) the buried heat regenerator of will flowing through earlier; After being had the solar energy heat-storage groove heat temperature raising of higher regenerator temperature; Get into the evaporimeter of earth source heat pump again, thereby realize heat pump efficiency preferably.Whole system is not fragile, effectively increases the service life.
In addition, owing to made full use of solar energy in the utility model hybrid system, the heat that need from soil, extract is less, makes the required drilling hole amount of soil heat exchange device also just few more.Therefore, this hybrid system stores through solar heat and utilizes mode to reduce drilling hole amount, reduces the place usable floor area and reduce the boring cost, and has reduced difficulty of construction, has reduced cost.
The above is not to be the qualification to the utility model technical scheme, and under the prerequisite of the inventive concept that does not break away from the utility model, any conspicuous replacement is all within the utility model protection domain.
Claims (3)
1. solar energy and earth source heat pump hybrid system; Comprise soil source heat pump unit (3), the compatible unit (1) of solar heat pump and be embedded in underground soil heat exchange device (7); It is characterized in that: said system also comprises solar thermal collector (1), heat sink (4) and buried heat accumulation groove (6); Solar thermal collector (1), the compatible unit (2) of solar heat pump, earth source heat pump unit (3), heat sink connect through pipeline between (4) successively; Soil heat exchange device (7) is connected with the compatible unit of solar heat pump (2) through pipeline; And soil heat exchange device (7) is connected with buried heat accumulation groove (6) through pipeline, and buried heat accumulation groove (6) is connected with the compatible unit of solar heat pump (2) through pipeline.
2. solar energy according to claim 1 and earth source heat pump hybrid system is characterized in that: also be provided with buried heat regenerator (5) in the said buried heat accumulation groove (6).
3. solar energy according to claim 1 and 2 and earth source heat pump hybrid system is characterized in that: be filled with heat-storing material in the said buried heat accumulation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201602315U CN202598648U (en) | 2012-04-17 | 2012-04-17 | Solar energy and ground source heat pump combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201602315U CN202598648U (en) | 2012-04-17 | 2012-04-17 | Solar energy and ground source heat pump combined system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202598648U true CN202598648U (en) | 2012-12-12 |
Family
ID=47316180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201602315U Expired - Fee Related CN202598648U (en) | 2012-04-17 | 2012-04-17 | Solar energy and ground source heat pump combined system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202598648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148636A (en) * | 2013-03-28 | 2013-06-12 | 高国利 | Air-powered and solar-powered heat-accumulating heat pump system |
| RU175890U1 (en) * | 2017-07-14 | 2017-12-21 | Сергей Андреевич Андреев | INSTALLATION FOR STAND-ALONE HEATING |
-
2012
- 2012-04-17 CN CN2012201602315U patent/CN202598648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148636A (en) * | 2013-03-28 | 2013-06-12 | 高国利 | Air-powered and solar-powered heat-accumulating heat pump system |
| RU175890U1 (en) * | 2017-07-14 | 2017-12-21 | Сергей Андреевич Андреев | INSTALLATION FOR STAND-ALONE HEATING |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510530, No. four, No. 1, North Orchard, East Zone, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Guangzhou star cooling equipment Group Co., Ltd. Address before: 510530 Guangzhou Province Economic and Technological Development Zone, the eastern part of the north section of Orchard Road, No. four, No. 1, No. Patentee before: Guangzhou Hengxing Refrigerating Machinery Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20190417 |