CN101266074A - Highly effective energy-saving environment-friendly type heat pump air-conditioner water heater - Google Patents

Highly effective energy-saving environment-friendly type heat pump air-conditioner water heater Download PDF

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Publication number
CN101266074A
CN101266074A CN 200710085171 CN200710085171A CN101266074A CN 101266074 A CN101266074 A CN 101266074A CN 200710085171 CN200710085171 CN 200710085171 CN 200710085171 A CN200710085171 A CN 200710085171A CN 101266074 A CN101266074 A CN 101266074A
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heat exchanger
cold
refrigerant
water
gating
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CN 200710085171
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秦恩溢
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HUIZHOU THINKING TECHNOLOGY Co Ltd
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HUIZHOU THINKING TECHNOLOGY Co Ltd
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Priority to CN 200710085171 priority Critical patent/CN101266074A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

Abstract

A high-efficient energy-saving environmental protective heat pump air-conditioning water heater belongs to the technology field of the application of heat pumps, a refrigerant closed circulation system controlled by an electric control device (8) for work is mainly composed of a compressor (1), a gating valve (2), a water condenser (3), an indoor heat exchanger (4), a throttling device (5), an outdoor heat exchanger (6) and a direction changing device (7). The invention is characterized in that a refrigerant outlet of the water condenser (3) is connected with an inlet of a gating device (9), the gating device (9) is at least provided with two refrigerant gating outlets, wherein, at least one refrigerant gating outlet is connected with the throttling device (5), and at least the other refrigerant gating outlet is connected with a high-pressure refrigerant inlet of the direction changing device (7). The high-efficient energy-saving environmental protective heat pump air-conditioning water heater can carry out high-efficient and energy-saving supply of the air conditioner and the hot water, the heating speed of the water is fast, the performance is stable, the service life is long, and the heat energy emission during the refrigeration of the air conditioner is reduced, thus being conducive to the environmental and ecological protection.

Description

Highly effective energy-saving environment-friendly type heat pump air-conditioner water heater
Affiliated technical field
The present invention relates to heat pump hot water air-conditioning system, especially a kind of highly effective energy-saving environment-friendly type heat pump air-conditioner water heater belongs to the heat pump application technical field.
Background technology
Existing heat pump air conditioner function singleness, generally can only be used to regulate air performance parameter and its in summer during refrigeration work to outdoor discharging hot gas, both wasted a large amount of heat energy, influenced external environment again, caused the tropical island effect in city, be unfavorable for environmental protection, its refrigerating efficiency is lower in addition; Teat pump boiler has thermal efficiency height, energy-conservation, excellent properties such as safety and environmental protection, as energy-saving and cost-reducing hot water facility of new generation, be familiar with by people gradually and promote the use of, but, a large amount of refrigerating capacities that the Teat pump boiler of prior art produced when working its summer often are difficult for being utilized, operation principle is: the cold-producing medium that cold-producing medium is compressed into HTHP by compressor enters into behind the water condenser cold-producing medium that is absorbed heat by water and be condensed into medium temperature and medium pressure, inflow evaporator absorbs heat energy after throttling arrangement reduces pressure into the cold-producing medium of low-temp low-pressure then, gets back to compressor at last and finishes circulation.When the water temperature in the water condenser is lower or higher, it is low excessively to be easy to generate system refrigerant back pressure low pressure, the return-air recirculating oil quantity is very few or the pressure at expulsion high pressure is too high, condensation temperature is too high, cold-producing medium evaporation heat absorption capacity is crossed problems such as low, to such an extent as to had a strong impact on the performance of the normal performance of heat-pump water heater, and the life-span of compressor is subjected to greatly decaying, therefore, though its advantage of heat-pump water heater is a lot, but, because it also has above-mentioned fatal shortcoming, its practical effect and actual life can not be fully satisfactory, its structure more complicated in actual design is made, join the type difficulty, this has also limited applying of the energy saving and environment friendly product of this a new generation widely.In sum, the air-conditioner of prior art relative with the Teat pump boiler function single, performance is not ideal enough, needs repeated configuration two cover heat pump assemblies when people not only need air-conditioning but also need hot water, increases customer investment cost and energy use cost exponentially.
Summary of the invention
At the deficiencies in the prior art, the purpose of this invention is to provide a kind of highly effective energy-saving environment-friendly type heat pump air-conditioner water heater.
The object of the present invention is achieved like this: highly effective energy-saving environment-friendly type heat pump air-conditioner water heater, mainly contain compressor, sluice valve, water condenser, indoor heat exchanger, throttling arrangement, outdoor heat exchanger and reversing arrangement constitute, and connect into the cold-producing medium closed circulation system by corresponding coolant channel, this system is by electric control gear control work, it is characterized in that the water condenser refrigerant outlet in the above-mentioned cold-producing medium closed circulation system links to each other with the inlet of a strobe unit by corresponding coolant channel, this strobe unit at least also has two cold-producing medium gating outlets except that having refrigerant inlet, wherein have at least a cold-producing medium gating outlet to link to each other with throttling arrangement by corresponding coolant channel; Described strobe unit has at least another cold-producing medium gating outlet to link to each other with reversing arrangement high-pressure refrigerant inlet by corresponding coolant channel.
The heat pump air conditioner of the present invention and prior art and Teat pump boiler are compared and have been obtained appreciable performance boost and good effect:
Under the gating control of sluice valve; water condenser can add hot water for answering the domestic hot-water; indoor heat exchanger can be supplied air conditioner refrigerating or heat; reached the effect of air conditioning and hot water function dual-use; and air conditioner refrigerating can freely heat water when using, and the comprehensive Energy Efficiency Ratio of unit is able to remarkable lifting, has reduced the environment thermal energy discharging simultaneously; reduce urban heat land effect, helped environment and ecological protection.
Moreover owing to water condenser refrigerant outlet of the present invention links to each other with the inlet of a strobe unit by corresponding coolant channel, this strobe unit at least also has two cold-producing medium gating outlets except that having refrigerant inlet, wherein have at least a cold-producing medium gating outlet to link to each other with throttling arrangement by corresponding coolant channel; Described strobe unit has at least another cold-producing medium gating outlet to link to each other with reversing arrangement high-pressure refrigerant inlet by corresponding coolant channel.So when needed, can so that water condenser under the control of the gating of strobe unit, both can form relative parallel-connection structure duty with indoor heat exchanger or outdoor heat exchanger, also can form relative cascaded structure duty, can also be relative parallel-connection structure duty and relative cascaded structure duty while where necessary under the control of the gating of strobe unit and deposit.Under the gating control of water condenser at strobe unit, when forming relative parallel-connection structure duty with indoor heat exchanger or outdoor heat exchanger, the flow of refrigerant stroke is shorter relatively, can guarantee that the present invention is when hot water is worked, the cold-producing medium total amount is abundant, hot water speed is fast, the unlikely return-air recirculating oil quantity of system is very few, back pressure is low excessively, return-air and excessive discharge temperature, when especially lower and/or outdoor heat exchanger ambient temperature of living in is low in the water condenser water temperature, guarantee security of system, stable, work efficiently, and when water condenser be when forming relative parallel-connection structure duty under the control of the gating of reversing arrangement and strobe unit with outdoor heat exchanger, indoor heat exchanger is a system evaporator, can be when heating water the air conditioner refrigerating in efficient provision hot day; Under the gating control of water condenser at strobe unit, when forming relative cascaded structure duty with indoor heat exchanger or outdoor heat exchanger, a part or the subcooler or the reservoir of indoor heat exchanger or outdoor heat exchanger double as system condensing this moment device, the flow of refrigerant stroke is longer relatively, can guarantee that the present invention is when hot water is worked, the unlikely pressure at expulsion of system is too high, condensation temperature is too high, cold-producing medium evaporation heat absorption capacity is low excessively, and can be when heating water the part air-conditioning of efficient provision cold day heat or the air conditioner refrigerating in hot day, improved complete machine combination property coefficient of the present invention, when especially higher and/or outdoor heat exchanger ambient temperature of living in is higher in the water condenser water temperature, can guarantee security of system, stable, work efficiently and the life-span of critical piece such as compressor is subjected to greatly ensureing; The present invention is simple in structure at the actual design manufacture view, it is easy to join type, and unit performance is more stable during the work of hot water operating mode.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the invention one
Accompanying drawing 2 is structural representations of the embodiment of the invention two
The specific embodiment
Embodiment one: a kind of highly effective energy-saving environment-friendly type heat pump air-conditioner water heater, mainly contain compressor (1), sluice valve (2), water condenser (3), indoor heat exchanger (4), throttling arrangement (5), outdoor heat exchanger (6) and reversing arrangement (7) constitute, and be in turn connected into cold-producing medium closed circulation transit system by an amount of accessories such as copper pipe, this system is by electric control gear (8) control work, specifically in said system, also be serially connected with a strobe unit (9) in the coolant channel after water condenser (3) refrigerant outlet, this strobe unit (9) can be a two-position three way magnetic valve, water condenser (3) refrigerant outlet links to each other with strobe unit (9) inlet, strobe unit (9) wherein one road cold-producing medium gating outlet links to each other with reversing arrangement (7) high pressure inlet, another road cold-producing medium gating outlet of strobe unit (9) links to each other with throttling arrangement (5), for preventing that the cold-producing medium in the water condenser (3) from flowing backwards, system works stability and operating efficiency when influencing air conditioning condition, strobe unit (9) can also be combined with accessories such as check-valves.Strobe unit (9) also can be the association of two-position two-way solenoid valve and/or electric expansion valve etc.; Water condenser (3) can be liquid cools heat exchangers such as plate type heat exchanger, double pipe heat exchanger also with the water tank that is provided with coolant channel at this, and water condenser (3) has entery and delivery port; Sluice valve (2) is magnetic valve and the magnetic valve group that has the two-position three way magnetic valve of an air inlet, two gas outlets at least or have identity function, can be that integral type also can be that discrete sets is box-like, select a four-way change-over valve repacking to be welded at this, its low pressure gas outlet can be welded extremely, and the low-pressure end capillary of its reversing solenoid valve is changed on the low pressure return line of the system of being soldered to; Indoor heat exchanger (4) and outdoor heat exchanger (6) are selected the other pipe heat exchanger of blower fan for use at this, indoor heat exchanger (4) also can be accumulation of heat or cool storage heat exchanger, as water cooling heat exchanger, this moment can be by circulating pump and expansion tank and/or the other pipe of blower fan cycle heat exchange, form central air conditioner system, and outdoor heat exchanger (6) also can be the combination of the valve member of blower fan side pipe heat exchanger and solar energy heating heat exchanger and right quantity; Throttling arrangement (5) can be selected the capillary with three connectors and the assembly of check valve for use at this, and throttling arrangement when needing (5) also can be to have in the accessory of throttling or flow control function one or more by capillary, magnetic valve, electric expansion valve, heating power expansion valve, hand adjustment valve, check valve, unloader and pressure-regulating valve etc. to constitute; Reversing arrangement (7) is at this preferred four-way change-over valve, and preferably the high-pressure side capillary of its reversing solenoid valve changed on the high pressure gas pipeline of the system of being soldered to.
Water temperature in water condenser (3) is not enough and need add in the middle of the process of hot water, be subjected to the control of electric control gear (8), the cold-producing medium of HTHP extrudes selection through sluice valve (2) by compressor (1) and is incorporated into water condenser (3) and carries out heat exchange with wherein water, the medium temperature and medium pressure liquid refrigerant that condensation forms flows into strobe unit (9), when water temperature lower (as being lower than 40 ℃), strobe unit (9) is connected the selective gate that is connected to throttling arrangement (5), water condenser this moment (3) forms relative parallel-connection structure duty with indoor heat exchanger (4) or outdoor heat exchanger (6), the medium temperature and medium pressure liquid refrigerant forms low-temp low-pressure through throttling arrangement (5) expenditure and pressure cold-producing medium is selected dirty heat of going into heat exchange absorption external environment in indoor heat exchanger (4) or the outdoor heat exchanger (6) in the commutation in advance of reversing arrangement (7), get back to compressor (1) through reversing arrangement (7) low pressure gas outlet then, meanwhile, when water condenser (3) is when forming relative parallel-connection structure duty with outdoor heat exchanger (6), the cold-producing medium of low-temp low-pressure flows through indoor heat exchanger (4) can also additionally provide air conditioner refrigerating, when water temperature higher (as reach or be higher than 40 ℃), strobe unit (9) is connected the selective gate that is connected to reversing arrangement (7) high pressure inlet, water condenser this moment (3) forms relative cascaded structure duty with indoor heat exchanger (4) or outdoor heat exchanger (6), the cold-producing medium of medium temperature and medium pressure is selected the dirty further condensation heat release flow throttling device (5) again of going in indoor heat exchanger (4) or the outdoor heat exchanger (6) in the commutation in advance of reversing arrangement (7), form the cold-producing medium of low-temp low-pressure through expenditure and pressure, then inlet chamber external heat exchanger (6) or indoor heat exchanger (4) absorb the heat of external environment, get back to compressor (1) through reversing arrangement (7) low pressure gas outlet then, meanwhile, when water condenser (3) is when forming relative cascaded structure duty with indoor heat exchanger (4), the medium temperature and medium pressure cold-producing medium flows through indoor heat exchanger (4), the double reservoir of doing of indoor heat exchanger (4), can prevent that refrigerant amount is too much, system's height, low pressure is too high, can also provide certain heat for warming by air conditioner, especially can be in season of cold weather so that this machine is unlikely in that to heat water Space-Time Modulation hot waiting time long, can also make simultaneously the further condensation of medium temperature and medium pressure cold-producing medium even cold excessively, increased entire system heating performance coefficient, when not needing to warm oneself, also can close the heat exchange function of indoor heat exchanger (4) and heat water separately, when water condenser (3) is when forming relative cascaded structure duty with outdoor heat exchanger (6), the medium temperature and medium pressure cold-producing medium flows through outdoor heat exchanger (6), the double reservoir of doing of outdoor heat exchanger (6), can prevent that refrigerant amount is too much, system's height, low pressure is too high, also can make the further condensation of medium temperature and medium pressure cold-producing medium even cold excessively, make indoor heat exchanger (4) can provide a large amount of colds efficiently for refrigeration.So work is till the water temperature of setting, and reached to heat the purpose that water or hot water, air-conditioning are supplied simultaneously separately, and reduced the heat energy discharging under the situation that hot water, air conditioner refrigerating are supplied simultaneously, helps environment and ecological protection.Need to prove, in the hot water process when indoor heat exchanger (4) or outdoor heat exchanger (6) when needing defrost, can get back to the air-conditioning work state through outdoor heat exchanger (6) or indoor heat exchanger (4) heat-obtaining, accomplish without or part through water condenser (3) heat-obtaining defrost, so guaranteed the stability and safety of system works and the life-span of complete machine more effectively.
When hot water reaches design temperature and needs air-conditioning, be subjected to the control of electric control gear (8), selection through sluice valve (2), the cold-producing medium of HTHP is extruded and can bypass be flowed to reversing arrangement (7) high pressure refrigerant inlet without water condenser (3) by compressor (1), selection by reversing arrangement (7) heat exchange and absorb the heat of external environment through inlet chamber external heat exchanger (6) or indoor heat exchanger (4) behind throttling arrangement (5) expenditure and pressure in indoor heat exchanger (4) or outdoor heat exchanger (6) is again got back to compressor (1) through reversing arrangement (7) low pressure gas outlet then.When flowing through indoor heat exchanger (4), high-temperature high-pressure refrigerant can provide a large amount of heats for heating; When high-temperature high-pressure refrigerant flow through outdoor heat exchanger (6), indoor heat exchanger (4) can provide a large amount of colds for refrigeration.So reach the purpose that air conditioner is supplied respectively.
Heat pump air-conditioner/water heater hot water speed of the present invention is fast, compare with the common air-conditioning device or the Teat pump boiler of prior art, promote complete machine significantly and comprehensively heated the refrigerating capacity and the coefficient of performance, especially compare under the condition of severe at weather conditions, guaranteed that the unlikely oil starvation of compressor, liquid hammer or HTHP damage, and have increased the service life of this heat pump air-conditioner/water heater widely.The hot water temperature of this heat pump air-conditioner/water heater can exceed 60 ℃ of upper limits of conventional Teat pump boiler and bring up to more than 75 ℃, the volume that can reduce power configuration or reduce heat storage water tank under same bathing condition is to reduce the complete machine cost, and in the season that hot water and air conditioner refrigerating are supplied simultaneously, the comprehensive Energy Efficiency Ratio of complete machine can be up to 7--9.
Embodiment two: a kind of highly effective energy-saving environment-friendly type heat pump air-conditioner water heater, mainly contain compressor (1), sluice valve (2), water condenser (3), indoor heat exchanger (4), throttling arrangement (5), outdoor heat exchanger (6) and reversing arrangement (7) constitute, and be in turn connected into cold-producing medium closed circulation transit system by an amount of accessories such as copper pipe, this system is by electric control gear (8) control work, specifically in said system, also be serially connected with a strobe unit (9) in the coolant channel after water condenser (3) refrigerant outlet, this strobe unit (9) can select for use inlet to be combined into one, the doublet of two two-position two-way solenoid valves that outlet independently separates separately, water condenser (3) refrigerant outlet links to each other with strobe unit (9) inlet, strobe unit (9) wherein one road cold-producing medium gating outlet links to each other with reversing arrangement (7) high pressure inlet, another road cold-producing medium gating outlet of strobe unit (9) links to each other with throttling arrangement (5), for preventing that cold-producing medium from blowing back in the water condenser (3), system works stability and operating efficiency when influencing air conditioning condition, strobe unit (9) can also be combined with accessories such as check-valves.Water condenser (3) has entery and delivery port, select liquid cools heat exchangers such as the plate type heat exchanger that is provided with coolant channel or double pipe heat exchanger for use at this, and can be by hot water circulating pump and external attemperater cycle heat exchange, water condenser (3) also can be the water tank that is provided with coolant channel; Sluice valve (2) is selected a four-way change-over valve at this, its low pressure gas outlet is connected on the low pressure return line of system after sealing in a control valve (10), perhaps also can be with this four-way change-over valve repacking welding, its low pressure gas outlet weldering is dead, and the low-pressure end capillary of its reversing solenoid valve changed on the low pressure return line of the system of being soldered to, and an end of control valve (10) links to each other with reversing arrangement (7) high pressure inlet, the other end of control valve (10) is connected on the low pressure return line, two kinds of connection effects are similar, all can reach the feature request of present embodiment, control valve (10) is selected a magnetic valve for use at this, can certainly use electric expansion valve; Indoor heat exchanger (4) is selected liquid cools heat exchangers such as the plate type heat exchanger that is provided with coolant channel or double pipe heat exchanger for use at this, and by other pipe of refrigerant circulating pump, expansion tank and blower fan and indoor circulation heat exchange, form central air conditioner system, indoor heat exchanger (4) also can be the other pipe heat exchanger of blower fan, outdoor heat exchanger (6) is selected the other pipe heat exchanger of blower fan for use at this, and outdoor heat exchanger (6) also can be the combination of the valve member of blower fan side pipe heat exchanger and solar energy heating heat exchanger and right quantity; Throttling arrangement (5) can be selected the assembly of the double electronic expansion-valve with three connectors for use at this, one of them electric expansion valve of throttling arrangement (5) can be changed into the assembly of magnetic valve and other restricting element when needing, also can change two electric expansion valves the assembly of two magnetic valves and other restricting element into or change the assembly of a two-position three way magnetic valve and check valve and other restricting element into; Reversing arrangement (7) is at this preferred four-way change-over valve, and preferably the high-pressure side capillary of its reversing solenoid valve changed on the high pressure gas pipeline of the system of being soldered to.
Water temperature in water condenser (3) or external attemperater is not enough and need add in the middle of the process of hot water, be subjected to the control of electric control gear (8), the cold-producing medium of HTHP extrudes selection through sluice valve (2) by compressor (1) and is incorporated into water condenser (3) and wherein drives the water that circulates through hot water circulating pump and carry out heat exchange, the medium temperature and medium pressure liquid refrigerant that condensation forms flows into strobe unit (9), when water temperature lower (as being lower than 40 ℃), strobe unit (9) is connected the selective gate that is connected to throttling arrangement (5), water condenser this moment (3) forms relative parallel-connection structure duty with indoor heat exchanger (4) or outdoor heat exchanger (6), the medium temperature and medium pressure liquid refrigerant forms low-temp low-pressure through throttling arrangement (5) expenditure and pressure cold-producing medium is selected dirty heat of going into heat exchange absorption external environment in indoor heat exchanger (4) or the outdoor heat exchanger (6) in the commutation in advance of reversing arrangement (7), get back to compressor (1) through reversing arrangement (7) low pressure gas outlet then, and, when water condenser (3) is when forming relative parallel-connection structure duty with outdoor heat exchanger (6), the cold-producing medium of low-temp low-pressure flows through indoor heat exchanger (4), can close the electric expansion valve that flows to outdoor heat exchanger (6) in the throttling arrangement (5) this moment, also can open simultaneously control valve (10) when needed makes cold-producing medium in the outdoor heat exchanger (6) fully be sucked out to be used to the heating work that circulates, guarantee to heat this moment the sufficient refrigerant amount of water, it is very fast to heat water speed, refrigerating capacity is big, meanwhile, the cold-producing medium of low-temp low-pressure flows through indoor heat exchanger (4) can also pass through the refrigerant circulating pump, the other pipe of expansion tank and blower fan additionally provides air conditioner refrigerating, and when water condenser (3) be when forming relative parallel-connection structure duty with indoor heat exchanger (4), the cold-producing medium of low-temp low-pressure flows through outdoor heat exchanger (6), can close the electric expansion valve that flows to indoor heat exchanger (4) in the throttling arrangement (5) this moment, also can open simultaneously control valve (10) when needed makes cold-producing medium in the indoor heat exchanger (4) fully be sucked out to be used to the heating work that circulates, guarantee to heat the sufficient refrigerant amount of water this moment, it is very fast to heat water speed; When water temperature higher (as reach or be higher than 40 ℃), strobe unit (9) is connected the selective gate that is connected to reversing arrangement (7) high pressure inlet, water condenser this moment (3) forms relative cascaded structure duty with indoor heat exchanger (4) or outdoor heat exchanger (6), the cold-producing medium of medium temperature and medium pressure is selected the dirty further condensation heat release flow throttling device (5) again of going in indoor heat exchanger (4) or the outdoor heat exchanger (6) in the commutation in advance of reversing arrangement (7), form the cold-producing medium of low-temp low-pressure through expenditure and pressure, then inlet chamber external heat exchanger (6) or indoor heat exchanger (4) absorb the heat of external environment, get back to compressor (1) through reversing arrangement (7) low pressure gas outlet then, two electric expansion valves in throttling arrangement this moment (5) are all opened, and control valve (10) is closed, meanwhile, when water condenser (3) is when forming relative cascaded structure duty with indoor heat exchanger (4), the medium temperature and medium pressure cold-producing medium flows through indoor heat exchanger (4), the double reservoir of doing of indoor heat exchanger (4), can prevent that refrigerant amount is too much, system's height, low pressure is too high, can also provide certain heat to pass through the refrigerant circulating pump, the other pipe of expansion tank and blower fan provides warming by air conditioner, especially can be in season of cold weather so that this machine is unlikely in that to heat water Space-Time Modulation hot waiting time long, can also make simultaneously the further condensation of medium temperature and medium pressure cold-producing medium even cold excessively, in that being heated, air-conditioning requires when eager, can be arranged so that when water temperature is less than when higher (as only reaching or being higher than 35 ℃), under the situation of not closing previous selective gate, strobe unit (9) is connected the selective gate that is connected to reversing arrangement (7) high pressure inlet simultaneously, water condenser this moment (3) forms relative cascaded structure duty simultaneously again with indoor heat exchanger (4) under the commutation in advance of reversing arrangement (7) is selected, the cold-producing medium of part medium temperature and medium pressure flows in the indoor heat exchanger (4) externally behind the heat release heating central air-conditioning chilled water flow throttling device (5) again, reach the requirement that air-conditioning heats simultaneously, when water temperature reaches higher when (as reach or be higher than 40 ℃), close previous selective gate again, so both increased entire system heating performance coefficient, also guaranteed the comfort level that complete machine uses relatively, when not needing to warm oneself, also can close the heat exchange function of indoor heat exchanger (4) and heat water separately, when water condenser (3) is when forming relative cascaded structure duty with outdoor heat exchanger (6), the medium temperature and medium pressure cold-producing medium flows through outdoor heat exchanger (6), the double reservoir of doing of outdoor heat exchanger (6), can prevent that refrigerant amount is too much, system's height, low pressure is too high, also can make the further condensation of medium temperature and medium pressure cold-producing medium even cold excessively, make indoor heat exchanger (4) can pass through the refrigerant circulating pump, the other pipe of expansion tank and blower fan provides a large amount of colds for refrigeration efficiently.So till the water temperature that work is extremely set.Certainly when needed, as the spring, autumn is cold to air-conditioning, cold and the indoor user that other Central Heating Providing is arranged of outside air temperature in warm less demanding or winter, at water condenser (3) and indoor heat exchanger (4) or outdoor heat exchanger (6) forms relative parallel-connection structure duty and under the situation that control valve (10) is opened, two electric expansion valves in the throttling arrangement (5) also can be designed to open simultaneously throttling, make the cold-producing medium of low-temp low-pressure can flow into indoor heat exchanger (4) and outdoor heat exchanger (6) heat absorption evaporation simultaneously, heat water speed faster with assurance, till the set water temperature value of can always working in the case.So promptly reached and heated the purpose that water or hot water, air-conditioning are supplied simultaneously separately, and under the situation that hot water, air conditioner refrigerating are supplied simultaneously, reduced the heat energy discharging, helped environment and ecological protection.Need to prove, in the hot water process when indoor heat exchanger (4) or outdoor heat exchanger (6) when needing defrost, can get back to the air-conditioning work state through outdoor heat exchanger (6) or indoor heat exchanger (4) heat-obtaining, accomplish without or part through water condenser (3) heat-obtaining defrost, so guaranteed the stability and safety of system works and the life-span of complete machine more effectively.
When hot water reaches design temperature and needs air-conditioning, be subjected to the control of electric control gear (8), selection through sluice valve (2), the cold-producing medium of HTHP is extruded and can bypass be flowed to reversing arrangement (7) high pressure refrigerant inlet without water condenser (3) by compressor (1), selection by reversing arrangement (7) heat exchange and absorb the heat of external environment through inlet chamber external heat exchanger (6) or indoor heat exchanger (4) behind throttling arrangement (5) expenditure and pressure in indoor heat exchanger (4) or outdoor heat exchanger (6) is again got back to compressor (1) through reversing arrangement (7) low pressure gas outlet then.When flowing through indoor heat exchanger (4), high-temperature high-pressure refrigerant can provide a large amount of heats for heating by the other pipe of refrigerant circulating pump, expansion tank and blower fan; When high-temperature high-pressure refrigerant flow through outdoor heat exchanger (6), indoor heat exchanger (4) can provide a large amount of colds for refrigeration by the other pipe of refrigerant circulating pump, expansion tank and blower fan.When needing, and when control valve (10) is to be serially connected in sluice valve (2) low pressure gas outlet to the low pressure return line of system the time, control valve (10) also can be opened the cold-producing medium that makes in the water condenser (3) and is used for systemic circulation work by abundant sucking-off, guarantee air conditioner refrigerating or heat sufficient refrigerant amount this moment, freeze or the speed that heats very fast.So reach the purpose that air conditioner is supplied respectively.
The heat pump air-conditioner/water heater of present embodiment compare with embodiment one its water temperature when low hot water speed faster, its refrigeration during air conditioning condition, the speed that heats are also very fast relatively, combination property is excellent more, but cost and control complexity are high slightly, be applicable to high-grade configuration and large-scale unit, sometimes also can be for saving cost without control valve (10) and place branch road thereof through optimal design, the complete machine performance also is pretty good.
It below only is several exemplary embodiments of the present invention, when needed, the present invention can also do the increase and decrease conversion of various conventional spare and accessory parts or routine techniques and control mode, the adjustment of supplemental characteristic, collocation, so that the present invention obtains the best result of use in various demands field.

Claims (2)

1. highly effective energy-saving environment-friendly type heat pump air-conditioner water heater, mainly contain compressor (1), sluice valve (2), water condenser (3), indoor heat exchanger (4), throttling arrangement (5), outdoor heat exchanger (6) and reversing arrangement (7) constitute, and connect into the cold-producing medium closed circulation system by corresponding coolant channel, this system is by electric control gear (8) control work, it is characterized in that water condenser (3) refrigerant outlet in the above-mentioned cold-producing medium closed circulation system links to each other with the inlet of a strobe unit (9) by corresponding coolant channel, this strobe unit (9) at least also has two cold-producing medium gating outlets except that having refrigerant inlet, wherein have at least a cold-producing medium gating outlet to link to each other with throttling arrangement (5) by corresponding coolant channel.
2. highly effective energy-saving environment-friendly type heat pump air-conditioner water heater according to claim 1 is characterized in that described strobe unit (9) has at least another cold-producing medium gating outlet to link to each other with reversing arrangement (7) high-pressure refrigerant inlet by corresponding coolant channel.
CN 200710085171 2007-03-16 2007-03-16 Highly effective energy-saving environment-friendly type heat pump air-conditioner water heater Pending CN101266074A (en)

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CN 200710085171 CN101266074A (en) 2007-03-16 2007-03-16 Highly effective energy-saving environment-friendly type heat pump air-conditioner water heater

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155472A (en) * 2011-04-13 2011-08-17 三河市同飞制冷设备有限公司 Energy storage type constant temperature oil cooler
CN102563865A (en) * 2012-02-02 2012-07-11 广东美的电器股份有限公司 Heat pump water heater with dehumidification function
CN102937335A (en) * 2012-11-14 2013-02-20 东北大学 Multi-function air source heat pump water boiler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155472A (en) * 2011-04-13 2011-08-17 三河市同飞制冷设备有限公司 Energy storage type constant temperature oil cooler
CN102563865A (en) * 2012-02-02 2012-07-11 广东美的电器股份有限公司 Heat pump water heater with dehumidification function
CN102937335A (en) * 2012-11-14 2013-02-20 东北大学 Multi-function air source heat pump water boiler

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