CN2872220Y - Heat pump air conditioner with composite geothermal resource - Google Patents
Heat pump air conditioner with composite geothermal resource Download PDFInfo
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- CN2872220Y CN2872220Y CN 200520134193 CN200520134193U CN2872220Y CN 2872220 Y CN2872220 Y CN 2872220Y CN 200520134193 CN200520134193 CN 200520134193 CN 200520134193 U CN200520134193 U CN 200520134193U CN 2872220 Y CN2872220 Y CN 2872220Y
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Abstract
The utility model discloses a composite air conditioner with ground heating pump, which comprises a compressor (1), a hot water system (2), a four way shifting valve (5), a wind cooling heat exchanger (6), a ground heat exchange system (7), a throttle (8) and an in-home heat exchanger (9). An outdoor heat exchange device of the ground heating pump system comprises the wind cooling heat exchanger (6) and the ground heat exchange system (7) connected with each other in series. A heating water system (2) is connected in series between the air exhaust port of the compressor (1) and the high pressure inlet of the four-way shifting valve (5). Because the wind heat exchanger (6) is adopted, the design based on the maximum load is not required when designing the ground heating exchange system, thus lowering the initial investment of the ground heat exchange system, solving the problem that the ground heat exchange system of the ground heating pump air conditioner is difficult to be matched with the system load, and when the heating exchange load is lower, the air conditioner efficiency is increased via starting the wind cooling heating exchange system and shutting off the ground heating exchange system. Because the heating water system is connected with the system in series, the utility model can supply the hot water during the ground heating pump system running.
Description
Technical field
The utility model relates to a kind of compound geothermal heat pump air-conditioner device.
Background technology
The source heat pump air-conditioner utensil has efficient, energy-conservation characteristics traditionally, and still, a series of problems such as the high and low load running efficient of initial outlay is low are just restricting the extensive use of geothermal heat pump air-conditioner device.As: the southern area in China, the refrigeration duty in summer of earth-source hot-pump system often is higher than the thermic load in winter, if dispose the underground heat heat-exchange system according to summer condition, will cause the initial outlay of underground heat heat-exchange system to raise; And at northern area, the refrigeration duty in summer of earth-source hot-pump system often is lower than the thermic load in winter, if dispose the underground heat heat-exchange system according to summer condition, will cause winter heating's scarce capacity.In addition, in the earth-source hot-pump system of commercial building and large public building, but often the soil area of pipe laying can't satisfy the requirement of system loading, has to increase the degree of depth of pipe laying during design, thereby makes the initial cost of project increase more.
Summary of the invention
The utility model provides a kind of compound geothermal heat pump air-conditioner device, not only solved the difficult problem of geothermal heat pump air-conditioner device underground heat heat-exchange system and system loading coupling, and improved unit operation efficient, reduced the initial input of underground heat heat-exchange system, when the geothermal heat pump air-conditioner device moves, can provide the domestic hot-water simultaneously.
The technical solution of the utility model is as follows: compound geothermal heat pump air-conditioner device, comprise compressor, four-way change-over valve, underground heat heat-exchange system, choke valve and indoor heat exchanger, it also is provided with air cooling heat exchanger, and described air cooling heat exchanger and underground heat heat-exchange system are composed in series the outdoor heat exchange device.
In the utility model, air cooling heat exchanger is serially connected between the refrigerant inlet of water cooling heat exchanger of the high-pressure outlet of four-way change-over valve and underground heat heat-exchange system; Be serially connected with hot-water heating system between the exhaust outlet of compressor and the high-pressure inlet of four-way change-over valve, hot-water heating system is made up of attemperater, hydro-thermal heat exchanger and water circulating pump, the working media pipeline of hydro-thermal heat exchanger is serially connected between the high-pressure inlet of the exhaust outlet of compressor and four-way change-over valve, and the heat exchanging water pipe road of hydro-thermal heat exchanger is connected in series with attemperater, water circulating pump by pipeline.The cooling water circulation of underground heat heat-exchange system can be open circulation, also can be closed cycle.
The beneficial effects of the utility model are: air cooling heat exchanger and underground heat heat-exchange system are composed in series the outdoor heat exchange device of geothermal heat pump air-conditioner device, when design underground heat heat-exchange system, just do not need to design, reduced the initial input of underground heat heat-exchange system by peak load; Solved the difficult problem of geothermal heat pump air-conditioner device underground heat heat-exchange system and system loading coupling, and at the heat exchange load hour,, closed the underground heat heat-exchange system, improved unit operation efficient by starting air-cooled heat-exchange system.Simultaneously owing between exhaust outlet of compressor and four-way change-over valve, be serially connected with hot-water heating system, when air-conditioning system in refrigeration or heat when moving under the state, hot-water heating system can produce hot water, has realized water heater function, has saved the energy.
Description of drawings
Fig. 1 is the compound geothermal heat pump air-conditioner device of the utility model basic principle figure.
The specific embodiment
With reference to accompanying drawing, the compound geothermal heat pump air-conditioner device of the utility model, comprise compressor 1, hot-water heating system 2 (being made up of attemperater 3, hydro-thermal heat exchanger 4, water circulating pump 15 etc.), four-way change-over valve 5, air cooling heat exchanger 6, underground heat heat-exchange system 7 (being made up of water cooling heat exchanger 10, water pump 11, wet well 12, back water well 13 or geothermal heat exchanger 14 etc.), choke valve 8, indoor heat exchanger 9, all the other are plumbing connection system.The utility model is in source heat pump system traditionally, air cooling heat exchanger 6 is serially connected between the refrigerant side import of four-way change-over valve high-pressure outlet and underground heat heat-exchange system 7; Hot-water heating system 2 is serially connected between the high-pressure inlet of the exhaust outlet of compressor 1 and four-way change-over valve 5, thereby realizes the function of compound geothermal heat pump air-conditioner device.
The refrigerant system pipeline of compound geothermal heat pump air-conditioner device: compressor 1 exhaust outlet connects the import of hydro-thermal heat exchanger 4 in the hot-water heating system 2,4 outlets of hydro-thermal heat exchanger connect four-way change-over valve 5 high-pressure inlets, cold heat exchanger 6 imports of giving a dinner for a visitor from afar of four-way change-over valve 5 high-pressure outlets, water cooling heat exchanger 10 imports in the hot heat-exchange system 7 of air cooling heat exchanger 6 outlet ground connection, water cooling heat exchanger 10 outlets connect choke valve 8 imports, choke valve 8 outlets connect indoor heat exchanger 9 imports, indoor heat exchanger 9 outlets connect four-way change-over valve 5 low pressure inlet, four-way change-over valve 5 low tension outlets connect compressor 1 air entry, form closed circulation.
Cooling water system pipeline in the underground heat heat-exchange system 7: wet well 12 links to each other with 11 imports of cooling water cycle water pump, the 10 water side-entrances of cooling water cycle water pump 11 outlet water receiving cold heat exchangers, water cooling heat exchanger 10 water side outlets take back well 13, form cooling water open circulation loop; Or cooling water cycle water pump 11 outlet water receiving cold heat exchangers 10 water side-entrances, 14 imports of water cooling heat exchanger 10 water side outlet ground connection heat exchangers, geothermal heat exchanger 14 outlets connect 11 imports of cool cycles water pump, return 11 outlets of cooling water cycle water pump, form cooling water closed circulation loop.
Hot-water heating system 2 grey water system pipelines: the 4 water side-entrances of water intaking valve water receiving heat exchanger, hydro-thermal heat exchanger 4 water side outlets connect attemperater 3 imports, form the open type water-flow circuit.
One, refrigerating operaton workflow of the present utility model
As shown in drawings; Cold-producing medium is by low tension outlet C → compressor 1 air entry of the low pressure inlet D of compressor 1 exhaust outlet → hydro-thermal heat exchanger 4 refrigerant sides import → hydro-thermal heat exchanger 4 refrigerant side outlet → four-way change-over valves 5 high-pressure inlet A → four-way change-over valves 5 high-pressure outlet B → air cooling heat exchangers 6 imports → air cooling heat exchanger 6 outlet → water cooling heat exchangers 10 refrigerant side import → water cooling heat exchangers 10 refrigerant side outlet → choke valves 8 imports → choke valve 8 outlet → indoor heat exchangers 9 imports → indoor heat exchanger 9 outlet → four-way change-over valves 5 → four-way change-over valve 5, thereby forms a complete kind of refrigeration cycle flow process. In the cold-producing medium cyclic process, the cold-producing medium of HTHP after the condensation heat release, enters choke valve 8 earlier again after underground heat heat-exchange system 7 condensations cooling in hot-water heating system 2 and air cooling heat exchanger 6.
Two, heating operation workflow of the present utility model
As shown in drawings, cold-producing medium exports C → compressors 1 air entry by compressor 1 exhaust outlet → hydro-thermal heat exchanger 4 refrigerant sides import → hydro-thermal heat exchanger 4 refrigerant side outlet → four-way change-over valves 5 high-pressure inlet A → four-way change-over valves 5 outlet D → indoor heat exchangers 9 imports → indoor heat exchanger 9 outlet → choke valves 8 imports → choke valve 8 outlet → water cooling heat exchangers 10 refrigerant side import → water cooling heat exchangers 10 refrigerant side outlet → air cooling heat exchangers 6 imports → air cooling heat exchanger 6 outlet → four-way change-over valves 5 import B → four-way change-over valves 5, thereby forms a complete circulation process that heats.In the cold-producing medium cyclic process, the evaporation heat absorption in underground heat heat-exchange system 7 and air cooling heat exchanger 6 successively of the cold-producing medium of low-temp low-pressure enters compressor again.
Function and control principle that the utility model is realized are as follows:
Function I: the realization of refrigerating function and control
When moderate or environment temperature is high when system's refrigeration duty, the outage of air cooling heat exchanger 6 cooling fans, 11 energisings of cooling water cycle water pump.The high-temperature high-pressure refrigerant that compressor 1 is discharged is through hot-water heating system 2, four-way change-over valve 5, air cooling heat exchanger 6, condensation cooling in underground heat heat-exchange system 7, carry out the throttling step-down through choke valve 8 again, the evaporation heat absorption is got back to compressor 1 through four-way change-over valve 5 again in indoor heat exchanger 9.
Refrigeration duty is bigger than normal when system, when simple dependence underground heat heat-exchange system 7 can't satisfy system's heat exchange requirement, or water cooling heat exchanger 10 water side leaving water temperatures exceed a definite upper limit and water cooling heat exchanger 10 refrigerant side refrigerant outlet temperature are higher than definite going up in limited time, start the heat exchange load that air cooling heat exchanger 6 is shared underground heat heat-exchange system 7.The upper limit of water cooling heat exchanger 10 water side leaving water temperatures depends on local circumstance and heat exchanger situation.
When less than normal or environment temperature is low when system's refrigeration duty, when underground heat heat-exchange system 7 has far surpassed system's heat exchange requirement, or water cooling heat exchanger 10 water side leaving water temperatures are lower than a definite lower limit and water cooling heat exchanger 10 refrigerant side refrigerant outlet temperature are lower than definite following prescribing a time limit, disconnect cooling water cycle water pump 11, start the heat exchange load that air cooling heat exchanger 6 substitutes underground heat heat-exchange system 7.
Function II: the realization of heat-production functions and control
When moderate or environment temperature is low when system's thermic load, the outage of air cooling heat exchanger 6 cooling fans, 11 energisings of cooling water cycle water pump.The high-temperature high-pressure refrigerant that compressor 1 is discharged is through hot-water heating system 2, four-way change-over valve 5, in indoor heat exchanger 9, carry out the condensation cooling, carry out the throttling step-down through choke valve 8 again, the evaporation heat absorption is got back to compressor 1 through air cooling heat exchanger 6, four-way change-over valve 5 again in underground heat heat-exchange system 7.
When system's thermic load is bigger than normal, when simple underground heat heat-exchange system 7 can't satisfy system's heat exchange requirement, start the heat exchange load that air cooling heat exchanger 6 is shared underground heat heat-exchange system 7.
When less than normal or environment temperature is high when system's thermic load, when underground heat heat-exchange system 7 has surpassed system's heat exchange and requires, disconnect cooling water cycle water pump 11, start the heat exchange that air cooling heat exchanger 6 substitutes underground heat heat-exchange system 7 and load.
Function III: the realization of water heater function and control
When system in refrigeration or heat when moving under the state, open the water intaking valve of hot-water heating system 2, can realize water heater function.Water and high-temperature high-pressure refrigerant steam carry out countercurrent flow in hydro-thermal heat exchanger 4, the hot water after being heated flows in the attemperater 3.
Embodiment one: adopt 10 geothermal heat pump air-conditioner devices, be connected in series a board-like hydro-thermal heat exchanger 4 between compressor 1 exhaust outlet and four-way change-over valve 5, these board-like hydro-thermal heat exchanger 4 water side-entrances link to each other with running water, and outlet hot water flows in 150 liters of attemperaters 3.Between four-way change-over valve 5 and underground heat heat-exchange system 7, be connected in series an air cooling heat exchanger 6.The water cooling heat exchanger 10 of this geothermal heat pump air-conditioner device underground heat heat-exchange system 7 adopts board-like water cooling heat exchanger 10, and cooling water cycle water pump 11 is evacuated to board-like water cooling heat exchanger 10 water side-entrances with river, after board-like water cooling heat exchanger 10 heat exchange, is back to the korneforos.Model machine is assemblied in the same off-premises station compact conformation with compressor 1, board-like hydro-thermal heat exchanger 4, four-way change-over valve 5, air cooling heat exchanger 6, board-like water cooling heat exchanger 10 and choke valve 8.
Experiment shows that the introducing of air cooling heat exchanger 6 has not only improved the refrigeration of geothermal heat pump air-conditioner device, heating operation efficient, and can heat water, and system's refrigeration, heat can be regulated in certain scope, have improved the range of application of geothermal heat pump air-conditioner device greatly.
Claims (5)
1, a kind of compound geothermal heat pump air-conditioner device, comprise compressor (1), four-way change-over valve (5), underground heat heat-exchange system (7), choke valve (8) and indoor heat exchanger (9), it is characterized in that it also is provided with air cooling heat exchanger (6), described air cooling heat exchanger (6) and underground heat heat-exchange system (7) are composed in series the outdoor heat exchange device.
2, compound geothermal heat pump air-conditioner device according to claim 1 is characterized in that air cooling heat exchanger (6) is serially connected between the refrigerant inlet of water cooling heat exchanger (10) of the high-pressure outlet of four-way change-over valve (5) and underground heat heat-exchange system (7).
3, compound geothermal heat pump air-conditioner device according to claim 1 is characterized in that being serially connected with hot-water heating system (2) between the high-pressure inlet of the exhaust outlet of compressor (1) and four-way change-over valve (5).
4, compound geothermal heat pump air-conditioner device according to claim 1, the cooling water circulation that it is characterized in that underground heat heat-exchange system (7) is open circulation or is closed cycle.
5, compound geothermal heat pump air-conditioner device according to claim 3, it is characterized in that hot-water heating system (2) is made up of attemperater (3), hydro-thermal heat exchanger (4) and water circulating pump (15), the working media pipeline of hydro-thermal heat exchanger (4) is serially connected between the high-pressure inlet of the exhaust outlet of compressor (1) and four-way change-over valve (5), and the heat exchanging water pipe road of hydro-thermal heat exchanger (4) is connected in series with attemperater (3), water circulating pump (15) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134193 CN2872220Y (en) | 2005-12-06 | 2005-12-06 | Heat pump air conditioner with composite geothermal resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134193 CN2872220Y (en) | 2005-12-06 | 2005-12-06 | Heat pump air conditioner with composite geothermal resource |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2872220Y true CN2872220Y (en) | 2007-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520134193 Expired - Fee Related CN2872220Y (en) | 2005-12-06 | 2005-12-06 | Heat pump air conditioner with composite geothermal resource |
Country Status (1)
| Country | Link |
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| CN (1) | CN2872220Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506478A (en) * | 2011-10-21 | 2012-06-20 | 浙江师范大学 | Quartic-supplying integral type air conditioning unit with water-land source |
| CN102865632A (en) * | 2012-09-10 | 2013-01-09 | 杭州华电华源环境工程有限公司 | Heat pump energy storage and temperature and humidity independent control system |
| CN102997361A (en) * | 2012-12-28 | 2013-03-27 | 上海交通大学 | Subway station ground source heat pump air conditioning system |
-
2005
- 2005-12-06 CN CN 200520134193 patent/CN2872220Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506478A (en) * | 2011-10-21 | 2012-06-20 | 浙江师范大学 | Quartic-supplying integral type air conditioning unit with water-land source |
| CN102865632A (en) * | 2012-09-10 | 2013-01-09 | 杭州华电华源环境工程有限公司 | Heat pump energy storage and temperature and humidity independent control system |
| CN102865632B (en) * | 2012-09-10 | 2014-10-15 | 杭州华电华源环境工程有限公司 | Heat pump energy storage and temperature and humidity independent control system |
| CN102997361A (en) * | 2012-12-28 | 2013-03-27 | 上海交通大学 | Subway station ground source heat pump air conditioning system |
| CN102997361B (en) * | 2012-12-28 | 2015-08-26 | 上海交通大学 | Subway station ground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070221 Termination date: 20100106 |