CN2924400Y - Condensing recavery type air energy heat pump water heater - Google Patents
Condensing recavery type air energy heat pump water heater Download PDFInfo
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- CN2924400Y CN2924400Y CN 200620073692 CN200620073692U CN2924400Y CN 2924400 Y CN2924400 Y CN 2924400Y CN 200620073692 CN200620073692 CN 200620073692 CN 200620073692 U CN200620073692 U CN 200620073692U CN 2924400 Y CN2924400 Y CN 2924400Y
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- cold
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a cold recycling type air energy heat pump heater comprising a compressor, an air side evaporator as well as a cold retriever, a water side evaporator, a liquid reservoir, and a gas-liquid separator. The utility model is characterized in that high-pressure over hot steam exhausted out from the exhaust side of the compressor enters into the water side evaporator to discharge heat to the cooling water in the water side evaporator and further to be condensed to be a high-pressure over cold liquid and then flows into the liquid reservoir and the cold retriever in turn to absorb the heat in the cold retriever and further is evaporated to be low-pressure over hot steam, and then returns to an inspiratory side of the compressor after going through the air side evaporator and the gas-liquid separator, and undergoes a compression so as to be changed into high-pressure over hot steam and finally is discharged from the exhaust side. The utility model can absorb energy not only from air directly but also from the air conditioning water indirectly, thereby solving the cold source problem of air conditioners; the general energy efficiency of the utility model reaches 7, which is a new energy saving and environmental-protecting technology of great development and use potentials and is particularly applied to the occasions with demands for both domestic hot water and cooling of air conditioners.
Description
One, technical field
The utility model relates to a kind of water heater, relates in particular to a kind of air energy heat pump water heater.
Two, background technology
Traditional life is adopted electric boiler, fuel oil, gas fired-boiler or electric heater, gas heater and solar water heater etc. usually with hot water apparatus.The thermal efficiency of these devices is low, and the primary energy consumption amount is big, is unfavorable for environmental protection.The solar water heater initial cost is higher, and is subjected to the influence of weather and mounting condition.Heat pump can realize that heat is by the transmission of low temperature to high temperature, the low-grade energy that air can be a kind of extensive existence, equality gives and can freely utilize, be used to heat the domestic hot-water after utilizing heat pump cycle to improve its energy grade, owing to use a electric energy can absorb 3 parts of air energy, thereby supply 4 parts of heat energy heat hot water systems, so heating performance coefficient height.In addition, when fundamentally having eliminated electric heater electric leakage, dry combustion method and gas water heater working, air energy heat pump water heater produces potential safety hazards such as pernicious gas, overcome the overcast and rainy shortcoming such as can not work of solar water heater, have energy-efficient, safety and environmental protection, round-the-clock running, plurality of advantages such as easy to use, the strategy and policy that meet China's energy, society, environment sustainable development, therefore, as the hot water preparation device, heat pump has obtained application more and more widely, finally will become the most competitive water heater product of new generation of China.But general air energy heat pump water heater all be with finned heat exchanger as evaporimeter, cold directly distributes to atmosphere, causes bigger waste.
Three, summary of the invention
1, goal of the invention: the purpose of this utility model provides a kind of air energy heat pump water heater of cold reclaiming type, being applicable to both needs to produce the domestic hot-water, the place that needs simultaneously air conditioner cold water again, and can be when not needing air conditioner cold water, under environment temperature-10～45 ℃ condition, produce the domestic hot-water in all weather of the year.
2, technical scheme: in order to reach above-mentioned goal of the invention, cold reclaiming type air energy heat pump water heater of the present utility model comprises compressor, the air side evaporimeter, also comprise cold recover, the water side condenser, liquid reservoir and vapour liquid separator, the high pressure superheater steam of discharging from the compressor air-discharging side enters the water side condenser, discharges heat and after being condensed into high-pressure sub-cooled liquid in cooling water in it, enter liquid reservoir and cold recover more successively, absorb the heat in the cold recover and be evaporated into low-pressure superheated steam, the suction side of getting back to compressor through air side evaporimeter and vapour liquid separator successively becomes high pressure superheated steam by compressed action and discharges through exhaust side more then.
The air side evaporimeter is a finned evaporator, also can adopt the evaporimeter of other form.
Cold recover is board-like or shell and tube evaporator, also can adopt other form.
The high pressure superheater steam of discharging from the compressor air-discharging side is by being entered the water side condenser by cross valve, discharges heat and be condensed into high-pressure sub-cooled liquid in the cooling water enters liquid reservoir by check valve again in it; High-pressure sub-cooled liquid through behind the liquid reservoir again the throttling expansion effect of the dry filter of drying filter, the heating power expansion valve low pressure refrigerant mixture that becomes the vapour-liquid two-phase enter cold recover, absorb the heat in the evaporimeter and be evaporated into low-pressure superheated steam, after the suction side that air side evaporimeter, cross valve, vapour liquid separator are got back to compressor becomes the high pressure superheater steam by compressed action and discharges through exhaust side.
Also can be provided with axial flow blower on the air side evaporimeter, move and control the evaporating pressure and the return-air degree of superheat by regulating it.
Cold reclaiming type air energy heat pump water heater of the present utility model also comprises the defrosting expansion valve, when carrying out defrosting work, high pressure gas directly enters air side evaporimeter (this moment, its function was a condenser) defrosting and is condensed into high-pressure sub-cooled liquid, again through cold recover, liquid reservoir, the laggard water inlet side condenser of device for drying and filtering and defrosting expansion valve (this moment, its function was an evaporimeter), absorb the heat in it and be evaporated into low-pressure superheated steam, after cross valve, vapour liquid separator is got back to the suction side of compressor, becomes the high pressure superheater steam by compressed action and discharges through exhaust side.
3, beneficial effect: air can be a kind of extensive existence, equality gives and the low-grade energy that can freely utilize, when fundamentally having eliminated electric heater electric leakage, dry combustion method and gas water heater working, air energy heat pump water heater produces potential safety hazards such as pernicious gas, overcome the overcast and rainy shortcoming such as can not work of solar water heater, but existing air energy heat pump water heater utilizes heat pump cycle directly to absorb energy from atmosphere, is used further to heat the domestic hot-water after improving its energy grade.And cold reclaiming type air energy heat pump water heater of the present utility model both can directly absorb energy from atmosphere, can therefrom absorb energy indirectly by air conditioner water again, solved the cold source of air conditioning problem, and the air-conditioning use amount can be as required in the following regulated at will of full load; And can when producing the domestic hot-water, adopt the way that reclaims cold, gratuitously obtain air conditioner cold water, for the place of needs air-conditioning.Owing to use a electric energy to absorb 3 parts of air energy by air-conditioner circulating water, thereby supply 4 parts of heat energy heat hot water systems, its total energy is imitated and is reached 7 like this, thereby is an energy-saving and environmental protection new technology that has the development and application potentiality, has practical value.Be specially adapted to both need to produce the domestic hot-water, need the place of air conditioner refrigerating again.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model.
Five, the specific embodiment
Embodiment one: the cold reclaiming type air energy heat pump water heater of present embodiment is used for the occasion that full load is produced air conditioner cold water: the high pressure superheater steam of discharging from compressor 13 exhaust sides enters water side condenser 9 by cross valve 10, discharges heat and be condensed into high-pressure sub-cooled liquid in cooling water in it, enter liquid reservoir 4 by check valve 8, the dry filter of drying filter 7, the low pressure refrigerant mixture that the throttling expansion effect of heating power expansion valve 6 becomes the vapour-liquid two-phase enters cold recover 3, absorb the heat in the evaporimeter and be evaporated into low-pressure superheated steam, after finned evaporator 1 (this moment, axial flow blower 2 was not worked), cross valve 10, vapour liquid separator 12 is got back to the suction side of compressor 13, become the high pressure superheater steam by compressed action and discharge through exhaust side again, so go round and begin again.Cooling water in the water side condenser 9 is owing to absorb heat, and temperature rises, and this high-temperature cooling water delivers to storage tank by circulating pump or the user uses side, reaches the purpose of producing the domestic hot-water; Chilled water in the cold recover 3 is owing to be pulled away heat, temperature reduces, this cryogenic freezing water is delivered to air conditioning terminal (fan coil, air-conditioning box etc.) by circulating pump, absorb the heat of air-conditioned room, temperature rises, enter cold recover 3 (for water side shell and tube evaporator) again, so go round and begin again, reach the refrigeration purpose.
Embodiment two: the cold reclaiming type air energy heat pump water heater of present embodiment is used to produce the occasion of part air conditioner cold water: the high pressure superheater steam of discharging from compressor 13 exhaust sides enters water side condenser 9 by cross valve 10, discharges heat and be condensed into high-pressure sub-cooled liquid in cooling water in it, enter liquid reservoir 4 by check valve 8, the dry filter of drying filter 7, the low pressure refrigerant mixture that the throttling expansion effect of heating power expansion valve 6 becomes the vapour-liquid two-phase enters cold recover 3, absorb the part heat in the evaporimeter and partly be evaporated into low-pressure steam, after the evaporation once more of finned evaporator 1 (axial flow blower 2 part work this moment) becomes the low area overheat steam, through cross valve 10, vapour liquid separator 12 is got back to the suction side of compressor 13, become the high pressure superheater steam by compressed action and discharge through exhaust side again, so go round and begin again.Cooling water in the water side condenser is owing to absorb heat, and temperature rises, and this high-temperature cooling water delivers to storage tank by circulating pump or the user uses side, reaches the purpose of producing the domestic hot-water; Chilled water in the cold recover is owing to be pulled away the part heat, temperature reduces, this cryogenic freezing water is delivered to air conditioning terminal (fan coil, air-conditioning box etc.) by circulating pump, absorb the part heat of air-conditioned room, temperature rises, advance the water inlet side shell and tube evaporator again, so go round and begin again, reach the refrigeration purpose.Cold recover in the present embodiment is a plate-type evaporator.
Embodiment three: the cold reclaiming type air energy heat pump water heater of present embodiment not needing to be used for the occasion of air conditioner cold water: the high pressure superheater steam of discharging from compressor 13 exhaust sides enters water side condenser 9 by cross valve 10, discharges heat and be condensed into high-pressure sub-cooled liquid in cooling water in it, enter liquid reservoir 4 by check valve 8, the dry filter of drying filter 7, the low pressure refrigerant mixture that the throttling expansion effect of heating power expansion valve 6 becomes the vapour-liquid two-phase enters cold recover 3 (water is put dried in it), enter finned evaporator 1 (its axial flow blower 2 work) again, absorb the heat in it and be evaporated into low-pressure superheated steam, after cross valve 10, vapour liquid separator 12 is got back to the suction side of compressor 13, become the high pressure superheater steam by compressed action and discharge through exhaust side again, so go round and begin again.Cooling water in the water side condenser is owing to absorb heat, and temperature rises, and this high-temperature cooling water delivers to storage tank by circulating pump or the user uses side, reaches the purpose of producing the domestic hot-water.
Embodiment three: winter is when producing the domestic hot-water; the outdoor humid air wind side finned evaporator of under axial flow blower traction, flowing through; contact with the evaporator plate tube-surface; when coil surface temperature is lower than the humid air dew-point temperature; because airborne water vapour cooling is condensed; its surface meeting dewfall; this moment, phase-change heat-exchange took place in its surface; help improving the heating capacity of source pump; but when coil surface temperature was lower than air freezing point temperature (below 0 ℃), if airborne relative humidity reaches a certain degree simultaneously, coil surface will frosting; as untimely defrosting; frost layer knot more is thick more, influences air actual flow flux, and has hindered the heat exchange on the coil pipe; weight person can be frozen, and compressor low-voltage variation occurs and shuts down.The defrosting mode that present embodiment uses is switched reverse circulation as cross valve, allow high pressure superheater gas directly enter air side evaporimeter 1 (this moment, its function was a condenser), while closing axle flow fan, its surface frost layer is melted rapidly, after defrosting finishes, start axial flow blower and cross valve is switched to previous status again.When carrying out defrosting work, high pressure gas directly enters air side evaporimeter 1 (this moment, its function was a condenser) defrosting and is condensed into high-pressure sub-cooled liquid, again through cold recover 3, liquid reservoir 4, device for drying and filtering 7 and defrosting expansion valve 5 laggard water inlet side condensers 9 (this moment, its function was an evaporimeter), absorb the heat in it and be evaporated into low-pressure superheated steam, after the suction side that cross valve 10, vapour liquid separator 12 are got back to compressor 13 becomes the high pressure superheater steam by compressed action and discharges through exhaust side.
Claims (7)
1, a kind of cold reclaiming type air energy heat pump water heater, comprise compressor (13), air side evaporimeter (1), it is characterized in that also comprising cold recover (3), water side condenser (9), liquid reservoir (4) and vapour liquid separator (12), the high pressure superheater steam of discharging from compressor (13) exhaust side enters water side condenser (9), discharges heat and after being condensed into high-pressure sub-cooled liquid in cooling water in it, enter liquid reservoir (4) and cold recover (3) more successively, absorb the heat in the cold recover (3) and be evaporated into low-pressure superheated steam, the suction side of getting back to compressor (13) through air side evaporimeter (1) and vapour liquid separator (12) successively becomes high pressure superheated steam by compressed action and discharges through exhaust side more then.
2, cold reclaiming type air energy heat pump water heater as claimed in claim 1 is characterized in that, air side evaporimeter (1) is a finned evaporator.
3, cold reclaiming type air energy heat pump water heater as claimed in claim 1 is characterized in that, cold recover (3) is board-like or shell and tube evaporator.
4, cold reclaiming type air energy heat pump water heater as claimed in claim 1, it is characterized in that, the high pressure superheater steam of discharging from compressor (13) exhaust side is by entering water side condenser (10) by cross valve (10), discharges heat and be condensed into high-pressure sub-cooled liquid in the cooling water enters liquid reservoir (4) by check valve (8) again in it.
5, cold reclaiming type air energy heat pump water heater as claimed in claim 3, it is characterized in that, high-pressure sub-cooled liquid through liquid reservoir (4) after the dry filter of drying filter (7) again, the low pressure refrigerant mixture that the throttling expansion effect of heating power expansion valve (6) becomes the vapour-liquid two-phase enters cold recover (3), absorb the heat in the evaporimeter and be evaporated into low-pressure superheated steam, after air side evaporimeter (1), cross valve (10), the suction side that vapour liquid separator (12) is got back to compressor (13) becomes the high pressure superheater steam by compressed action and discharges through exhaust side.
6, cold reclaiming type air energy heat pump water heater as claimed in claim 1 is characterized in that, air side evaporimeter (1) is provided with axial flow blower (2), moves and controls the evaporating pressure and the return-air degree of superheat by regulating it.
7, cold reclaiming type air energy heat pump water heater as claimed in claim 1, it is characterized in that, also comprise defrosting expansion valve (5), during defrosting, high pressure gas directly enters air side evaporimeter (1) defrosting and is condensed into high-pressure sub-cooled liquid, again through cold recover (3), liquid reservoir (4), device for drying and filtering (7) and the laggard water inlet side condenser of defrosting expansion valve (5) (9), absorb the heat in it and be evaporated into low-pressure superheated steam, after cross valve (10), the suction side that vapour liquid separator (12) is got back to compressor (13) becomes the high pressure superheater steam by compressed action and discharges through exhaust side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073692 CN2924400Y (en) | 2006-06-12 | 2006-06-12 | Condensing recavery type air energy heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073692 CN2924400Y (en) | 2006-06-12 | 2006-06-12 | Condensing recavery type air energy heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924400Y true CN2924400Y (en) | 2007-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620073692 Expired - Fee Related CN2924400Y (en) | 2006-06-12 | 2006-06-12 | Condensing recavery type air energy heat pump water heater |
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| Country | Link |
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| CN (1) | CN2924400Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986066A (en) * | 2010-11-13 | 2011-03-16 | 浙江创能新能源科技有限公司 | Enthalpy-compensating auxiliary defroster of heat pump water heater |
| CN105276858A (en) * | 2014-07-17 | 2016-01-27 | 荣国华 | Air-water cooling cold-hot water heat pump unit |
| CN115289714A (en) * | 2022-07-28 | 2022-11-04 | 浙江国祥股份有限公司 | Evaporation condensation heat pump unit with hydraulic module and control method thereof |
-
2006
- 2006-06-12 CN CN 200620073692 patent/CN2924400Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986066A (en) * | 2010-11-13 | 2011-03-16 | 浙江创能新能源科技有限公司 | Enthalpy-compensating auxiliary defroster of heat pump water heater |
| CN105276858A (en) * | 2014-07-17 | 2016-01-27 | 荣国华 | Air-water cooling cold-hot water heat pump unit |
| CN115289714A (en) * | 2022-07-28 | 2022-11-04 | 浙江国祥股份有限公司 | Evaporation condensation heat pump unit with hydraulic module and control method thereof |
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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: 20070718 Termination date: 20100612 |