CN201348397Y - Composite CO2 ground source heat pump air conditioner - Google Patents
Composite CO2 ground source heat pump air conditioner Download PDFInfo
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- CN201348397Y CN201348397Y CNU2008201607971U CN200820160797U CN201348397Y CN 201348397 Y CN201348397 Y CN 201348397Y CN U2008201607971 U CNU2008201607971 U CN U2008201607971U CN 200820160797 U CN200820160797 U CN 200820160797U CN 201348397 Y CN201348397 Y CN 201348397Y
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Abstract
The utility model discloses a composite CO2 ground source heat pump air conditioner which comprises a refrigeration cycle loop consisting of a CO2 compressor(16), a four-way reversing valve(13), an air conditioning water heat exchanger(5), an electronic expansion valve(8), a ground source water heat exchanger(11), a gas-liquid separator(17) and a connecting pipeline. The composite CO2 ground source heat pump air conditioner is characterized in that the water heat exchanger(5) is an air conditioning water heat exchanger and the water heat exchanger(11) is a ground source water heat exchanger; and the water heat exchanger(5), the ground source water heat exchanger(11),a ground source water pump(9), a check valve(10), a ground heat exchange system(12) and a connecting pipeline form a ground source heat circulation loop. The composite CO2 ground source heat pump air conditioner has the function of heating water by making use of ground source energy, so the air conditioner can solve the problem that in the old ground source heat pump air conditioning system, the cold load in summer is heavier than the heat load in winter, thus well preserving the temperature of the ground source environment.
Description
Affiliated technical field
The utility model relates to a kind of combined type CO
2The geothermal heat pump air-conditioner device.
Background technology
The current environment problem has become important global problems, and energy-conserving and environment-protective also become a theme of current society, in field of Refrigeration and Air-conditioning, in the long run considers, it is inevitable to adopt the alternative artificial working medium of natural refrigerant to become, particularly CO
2Cold-producing medium has caused the generally attention of industry, and develops to some extent in the Teat pump boiler field, but because CO
2Refrigeration system is in chilling temperature higher summer, and its refrigerating efficiency is lower, thereby has become CO
2Cold-producing medium spreads to the technical bottleneck in conventional air conditioner field; The peak period of summer air conditioning load is peak period of electricity consumption just also, and electricity price is more expensive, thereby operating cost is higher; In addition,, belong to energy-saving product,, thereby cause ground source temperature ecological deterioration because the refrigeration duty in summer of air-conditioning often is higher than the thermic load in winter though traditional earth source heat pump has many good qualities; More than these situations all directly affect the fast development of energy-conserving and environment-protective product and consumer's the degree of recognition.
Summary of the invention
For addressing the above problem, the utility model provides a kind of combined type CO
2The geothermal heat pump air-conditioner device, it not only has CO
2The advantage of Teat pump boiler, temperature capable of producing hot water reach more than 65 ℃, and maximum temperature can reach 95 ℃, and can break restriction and popularize CO
2Cold-producing medium is to the technical bottleneck of traditional field of air conditioning; Both had the advantage of source heat pump air-conditioner traditionally, do not had the problem of outdoor heat exchanger frosting in winter, defrosting, can when utilizing the low ebb electricity price to heat water, utilize source, ground cold-storage again, and utilized daytime source, ground cold-storage to carry out air-conditioning, reduced operating cost greatly; And utilize the source, ground can heat the function of water owing to the utlity model has, thereby can balance traditionally in the source heat pump air-conditioning system, exist the summer refrigeration duty to be higher than the problem of thermic load in winter, thereby protected source, ground environment temperature preferably.
For achieving the above object, the technical solution of the utility model is: a kind of combined type CO
2The geothermal heat pump air-conditioner device comprises by CO
2Compressor 16, four-way change-over valve 13, air conditioner water heat exchanger 5, electric expansion valve 8, water source heat exchanger 11, gas-liquid separator 17 and connecting line are formed refrigeration cycle; Water-to-water heat exchanger 5 described in the utility model is the air conditioner water heat exchanger, and water source heat exchanger 11 is the water source heat exchanger.Water-to-water heat exchanger 5, water source heat exchanger 11 and water source pump 9, check valve 10, underground heat heat-exchange system 12 and connecting line are formed the water source closed circuit.
The utility model is at traditional C O
2Be provided with water heat exchanger 14 between compressor 16 outlets of heat pump air conditioner and the high-pressure inlet A13 of four-way change-over valve.Water source is incorporated into CO
2The heat-exchange system of refrigeration system cools off or heats cold-producing medium, thereby can improve CO
2The efficient of refrigeration system; The utility model is formed the air conditioner water closed circuit by air-conditioning water pump 4, check valve 3, indoor heat exchanger 2, air conditioner water heat exchanger 5 and connecting line; Form by water pump 7, check valve 6, indoor heat exchanger 2, water stop valve 1, underground heat heat-exchange system 12 and connecting line and directly to utilize water source to carry out the water-flow circuit of air conditioner refrigerating; Thereby can realize directly utilizing water source to carry out air conditioner refrigerating in summer.Described water stop valve 1 can be manual modulation valve, also can be electric control valve; Described indoor heat exchanger 2 can be separate unit, also can be for more than one, but the connected mode of each indoor heat exchanger is in parallel.The circulation of water source can be open circulation in the described underground heat heat-exchange system 12, also can be closed cycle.
The beneficial effects of the utility model are as follows:
1. energy-conserving and environment-protective aspect: because source, employing ground can be as combined type CO
2The Cooling and Heat Source of geothermal heat pump air-conditioner device, thereby can improve CO greatly
2The refrigeration of air conditioner with heat pump water heater, heating efficiency, and CO
2The key factor why cold-producing medium can not be applied is exactly CO
2The efficient of cold-producing medium when the summer air-conditioning kind of refrigeration cycle is on the low side, so the utility model can be broken and popularizes CO
2Technical bottleneck to traditional field of air conditioning is natural refrigerant CO
2Substitute artificial working medium a feasible scheme is provided.
2. operating cost aspect: as previously mentioned, owing to adopt the source, ground can be as combined type CO
2The Cooling and Heat Source of geothermal heat pump air-conditioner device, and the source, ground has bigger cold-storage ability, thereby can utilize the night dip electricity price to heat water and store cold in Di Yuan, can not open refrigeration system by day, and directly land used source cold water carries out summer air-conditioning, so just can save the operating cost of air-conditioner greatly.
3. source environmental protection aspect:, thereby cause source, ground environment temperature to worsen the utility model combined type CO year by year because the refrigeration duty in summer of source heat pump air-conditioning system often is higher than the thermic load in winter traditionally
2The geothermal heat pump air-conditioner device can make full use of the unnecessary heat energy in source, ground when heating water, can keep the balance of ground source temperature preferably on the whole, thereby protect ground source temperature environment.
Description of drawings
Fig. 1 is the utility model combined type CO
2Geothermal heat pump air-conditioner device basic principle figure.
The specific embodiment
According to shown in Figure 1, a kind of combined type CO
2The geothermal heat pump air-conditioner device comprises by CO
2Compressor 16, four-way change-over valve 13, air conditioner water heat exchanger 5, electric expansion valve 8, water source heat exchanger 11, gas-liquid separator 17 and connecting line are formed refrigeration cycle; Water-to-water heat exchanger 5 described in the utility model is the air conditioner water heat exchanger, and water source heat exchanger 11 is the water source heat exchanger.Water-to-water heat exchanger 5, water source heat exchanger 11 and water source pump 9, check valve 10, underground heat heat-exchange system 12 and connecting line are formed the water source closed circuit.
The utility model is at traditional C O
2Be provided with water heat exchanger 14 between compressor 16 outlets of heat pump air conditioner and the high-pressure inlet A13 of four-way change-over valve.Form the air conditioner water closed circuit by air-conditioning water pump 4, check valve 3, indoor heat exchanger 2, air conditioner water heat exchanger 5 and connecting line; Form by water pump 7, check valve 6, indoor heat exchanger 2, water stop valve 1, underground heat heat-exchange system 12 and connecting line and directly to utilize water source to carry out the water-flow circuit of air conditioner refrigerating; Described water stop valve 1 can be manual modulation valve, also can be electric control valve; Described indoor heat exchanger 2 can be separate unit, also can be for more than one, but the connected mode of each indoor heat exchanger is in parallel.The circulation of water source can be open circulation in the described underground heat heat-exchange system 12, also can be closed cycle.
Embodiment one: with reference to accompanying drawing, adopt 3 CO
2Compressor 16 is connected in series mutually with supporting water heat exchanger 14, four-way change-over valve 13, air conditioner water heat exchanger 5, electric expansion valve 8, water source heat exchanger 11, gas-liquid separator 17, forms CO
2Refrigerant circulation loop, the hot-water storage device 15 of configuration 300L; Model machine is with CO
2Compressor 16, hydro-thermal cooler 14, four-way change-over valve 13, air conditioner water heat exchanger 5, electric expansion valve 8, water source heat exchanger 11, gas-liquid separator 17, air-conditioning water pump 4, check valve 3, water pump 7, check valve 6, water source pump 9, check valve 10, water stop valve 1 are assemblied in the same off-premises station, compact conformation.
Experiment shows: combined type CO
2The geothermal heat pump air-conditioner device; temperature not only capable of producing hot water reaches more than 65 ℃; maximum temperature can reach 95 ℃; and possess and have higher refrigeration, heating efficiency; both can utilize the low ebb electricity price to heat water, can utilize source, ground cold accumulation air-conditioner again, reduce operating cost greatly; and source, ground environment temperature can well be protected, and will obtain country and consumers in general's approval.
The utility model can be achieved as follows function:
1, independent cooling/heating air conditioner.
2, separate refrigeration air-conditioning.
3, heat water separately.
4, directly utilize source, ground cold water to carry out air conditioner refrigerating.
5, heat water cooling/heating air conditioner the time.
6, heat water refrigeration air-conditioner the time.
Concrete control principle is: regulate by the control of each water circuit system, the switching of water stop valve and the commutation of four-way change-over valve, thereby realize this combined type CO
2Every function of geothermal heat pump air-conditioner device.
Concrete control method is as follows:
1, separately cooling/heating air conditioner, heat water when heating water, cooling/heating air conditioner separately
Need to realize independent cooling/heating air conditioner, when heating several functions such as water when heating water, cooling/heating air conditioner separately, at first water pump 7 and water stop valve 1 are in closed condition, start suitable water circuit system then, and the four-way change-over valve furnishing heated state, be that interface A communicates with D, interface B communicates with C, starts refrigerant circulation loop.
When the independent cooling/heating air conditioner of needs, then start water source closed circuit and air conditioner water closed circuit.
When needs heat water separately, then start the water source closed circuit and open life and use the hot water line.
When in the time of the needs cooling/heating air conditioner, heating water, then start water source closed circuit and air conditioner water closed circuit, and open life and use the hot water line.
2, heat water separate refrigeration air-conditioning, refrigeration air-conditioner the time
When heating several functions such as water when need realizing separate refrigeration air-conditioning, refrigeration air-conditioner, at first water pump 7 and water stop valve 1 are in closed condition, start suitable water circuit system then, and with four-way change-over valve furnishing refrigerating state, be that interface A communicates with B, interface C communicates with D, starts refrigerant circulation loop.
When needs separate refrigeration air-conditioning, then start water source closed circuit and air conditioner water closed circuit.
When in the time of the needs refrigeration air-conditioner, heating water, then start the air conditioner water closed circuit, and open life and use the hot water line.
3, directly utilize source, ground cold water to carry out air conditioner refrigerating
When needing to realize directly to utilize source, ground cold water to carry out the air conditioner refrigerating function, then close refrigerant-cycle systems, and close water source closed circuit and air conditioner water closed circuit, only need fetch boiling water this moment stop valve and water pump 7, and directly utilize source, ground cold water to carry out air conditioner refrigerating.
Claims (7)
1, a kind of combined type CO
2The geothermal heat pump air-conditioner device comprises by CO
2Compressor (16), four-way change-over valve (13), air conditioner water heat exchanger (5) electric expansion valve (8), water source heat exchanger (11), gas-liquid separator (17) and connecting line are formed refrigeration cycle; It is characterized in that described water-to-water heat exchanger (5) is the air conditioner water heat exchanger, water-to-water heat exchanger (11) is the water source heat exchanger, and water-to-water heat exchanger (5), water source heat exchanger (11) and water source pump (9), check valve (10), underground heat heat-exchange system (12) and connecting line are formed the water source closed circuit.
2, a kind of combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that at traditional C O
2Be provided with water heat exchanger (14) between the high-pressure inlet A (13) of the compressor of heat pump air conditioner (16) outlet and four-way change-over valve.
3, a kind of combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that forming the air conditioner water closed circuit by air-conditioning water pump (4), check valve (3), indoor heat exchanger (2), air conditioner water heat exchanger (5) and connecting line.
4, a kind of combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that being made up of water pump (7), check valve (6), indoor heat exchanger (2), water stop valve (1), underground heat heat-exchange system (12) and connecting line and directly utilizes water source to carry out the water-flow circuit of air conditioner refrigerating.
5, combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that described water stop valve (1) can be manual modulation valve, also can be electric control valve.
6, combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that described indoor heat exchanger (2) can be separate unit, also can be many, but the connected mode of each indoor heat exchanger is in parallel.
7, combined type CO according to claim 1
2The geothermal heat pump air-conditioner device is characterized in that the circulation of water source in the described underground heat heat-exchange system (12), can be open circulation, also can be closed cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201607971U CN201348397Y (en) | 2009-07-17 | 2009-07-17 | Composite CO2 ground source heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201607971U CN201348397Y (en) | 2009-07-17 | 2009-07-17 | Composite CO2 ground source heat pump air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348397Y true CN201348397Y (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201607971U Expired - Fee Related CN201348397Y (en) | 2009-07-17 | 2009-07-17 | Composite CO2 ground source heat pump air conditioner |
Country Status (1)
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|---|---|
| CN (1) | CN201348397Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066498A (en) * | 2015-08-04 | 2015-11-18 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide air conditioning system for building and building with air conditioning system |
| CN106403376A (en) * | 2016-09-30 | 2017-02-15 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to field of geothermy |
| CN108844163A (en) * | 2018-08-24 | 2018-11-20 | 中山市爱美泰电器有限公司 | A kind of multi-mode heat pump air conditioner and heat-pump air conditioning unit |
-
2009
- 2009-07-17 CN CNU2008201607971U patent/CN201348397Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066498A (en) * | 2015-08-04 | 2015-11-18 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide air conditioning system for building and building with air conditioning system |
| CN106403376A (en) * | 2016-09-30 | 2017-02-15 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to field of geothermy |
| CN108844163A (en) * | 2018-08-24 | 2018-11-20 | 中山市爱美泰电器有限公司 | A kind of multi-mode heat pump air conditioner and heat-pump air conditioning unit |
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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: 20091118 Termination date: 20120717 |