CN101187515A - Wind source heat pump installed with defrosting heat exchanging tube - Google Patents

Wind source heat pump installed with defrosting heat exchanging tube Download PDF

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Publication number
CN101187515A
CN101187515A CNA200610097946XA CN200610097946A CN101187515A CN 101187515 A CN101187515 A CN 101187515A CN A200610097946X A CNA200610097946X A CN A200610097946XA CN 200610097946 A CN200610097946 A CN 200610097946A CN 101187515 A CN101187515 A CN 101187515A
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heat exchanger
outlet
valve
import
exchanger tube
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CNA200610097946XA
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陈则韶
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陈则韶
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Abstract

The invention relates to a wind source heat pump which is added with a defrosting heat exchanging pipe, which mainly comprises a compressor, a heating condensator, a throttle device, an evaporator which absorbs heat from outdoor wind source, a gas-liquid separator, a connecting pipe and a diverter valve and the like. The invention is characterized in that a windward side of the evaporator is added with a row of 'defrosting heat exchanging pipes' which are used for cooling a refrigerant and auxiliary heating the evaporator, the defrosting heat exchanging pipes and a heat exchanging pipe of the evaporator which is used for being evaporated by an original refrigerant use a same fin, and the defrosting heat exchanging pipes are connected between a refrigerant liquid outlet of the heating condensator and an inlet of the throttle device. The technique is applied in a single wind source and single circulating heat pump, a double wind source separate circulating heat pump, a multifunctional pump and the like. The invention utilizes heat refrigerating liquid with 50 DEG C which flows from the condensator to change heat with inlet air of the evaporator in the defrosting heat exchanging pipe, which increases temperature of the inlet air in the evaporator and conducts heat through the fin of the evaporator, effectively reduces frosting number and frosting degree of the wind source heat pump, prolongs frosting time, and frosting area of the heat pump are northwards moved, frosting period in whole year is shortened, and efficiency of heat pump can be increased in winter.

Description

Increase the wind source heat pump that the frost prevention heat exchanger tube is arranged
Technical field
The present invention relates to refrigeration air conditioner, Teat pump boiler and field of energy-saving technology.
Background technology
To run into greatest problem be that the easy frosting of evaporimeter makes defrost circulation Fraquent start, can't operate as normal to cause source pump to air source heat pump in the humid area in the winter time.
The mechanism of frosting is, the temperature of evaporimeter is lower than zero degree, and generally at subzero 3~6 ℃, air humidity is big, when air flows through the fin of evaporimeter, and first dewfall on the fin surface of low temperature, back frosting.Obviously, the temperature of evaporimeter is lower than the necessary condition that zero degree is frosting.Southern winter temperature chronic at 0~10 ℃, this moment, the evaporator temperature of heat pump generally will be lower than zero degree, so frosting easily.
Reduce at present frosting or delay the certain methods that defrosting time adopts and be: (1) becomes the spacing of fin method, this used on the frostless wind cooling refrigerator of Japanese import, it arranges the big spacing of fin employing to the head of windward side, and density gradually is in case the frosting of first row's fin just makes the air channel obstruction; (2) fin of the hydrophilic Nanosurface layer of employing is to reduce the chance that white epipole generates.These two kinds of methods are not all used on the heat pump machine, and the latter is an achievement in research under lab.
The Defrost method of heat pump use at present mainly contains: (1) cold-producing medium recycled back defrosting; (2) sandwich electrothermal tube defrosting; (3) bypass hot gas defrosting method; (4) open degree of increase choke valve and frequency-changeable compressor rotating speed defrosting etc.Relevant Defrost Study on Problems document is a lot, can in the magazine of relevant Refrigeration Techniques such as " Refrigeration ﹠ Air-Conditionings " and refrigeration plant, find, for example, " hot gas defrost method in the Air-Cooled Heat Pump Unit " (" Refrigeration ﹠ Air-Conditioning " Vol.3, No.6, pp.47-49,2003.12), " improvement of aerial cooler defrosting mode " (" Refrigeration ﹠ Air-Conditioning " Vol.3, No.4, pp.63-65,2003.8), " the air-cooled heat pump water chiller-heater units relevant issues are discussed (one) " " Refrigeration ﹠ Air-Conditioning " Vol.1, No.6, pp.56-57,2001.12).
Wind source heat pump is frosting easily in the winter time, and defrost is frequent and not thorough, and unit efficiency is reduced greatly, so that can not use.
Summary of the invention
In order to overcome the frosting easily in the winter time of existing wind source heat pump, defrost is frequent, the problem that causes unit efficiency to reduce, the present invention proposes the new technology that to wind source heat pump increase has the frost prevention heat exchanger tube, can effectively reduce the frosting number of times and the frosting degree of wind source heat pump, delays the frosting time, the region of heat pump frosting is moved northward, the annual frosting phase shortens, even may have only slight frosting district to avoid frosting former, and the technology of the present invention also can increase heat pump efficiency in the winter time.
The technical solution used in the present invention is described as follows:
(1) basic technical scheme
Increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, mainly comprise compressor 1, the condenser 3 of heat supply, flow controller 4, evaporimeter 5 from outdoor wind regime heat absorption, gas-liquid separator 6 and transfer valve etc., connect into the heat pump cycle loop with tube connector, be filled with cold-producing medium in the loop, it is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the heat exchanger tube 51 shared identical fins of original cold-producing medium evaporation usefulness of frost prevention heat exchanger tube and evaporimeter, frost prevention heat exchanger tube 52 are connected between the import of the refrigerant liquid outlet of condenser of heat supply and flow controller.
(2) concrete technical scheme
(1) increases the wind source heat pump that the frost prevention heat exchanger tube is arranged, for small-sized single thermal source-minimizing frosting-the heat-pump hot-water unit oppositely defrosts, comprise compressor 1, four-way change-over valve 2, the condenser 3 of heat supply, flow controller 4, evaporimeter 5 from outdoor wind regime heat absorption, gas-liquid separator 6, tube connector, the hygrosensor 54 of evaporimeter etc.; The condenser 3 of heat supply comprises heat storage water tank, condenser heat exchanger tube, hot water temperature's detector, temperature indicator and water inlet control valve, water-in and water-out interface etc.; It is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Also increase fluid reservoir 7 in the refrigerant loop; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the normal open high pressure gas outlet of four-way change-over valve is connected with the refrigerant inlet of condenser with tube connector L2 through interface valve 2b1, the refrigerant outlet of condenser is connected with the reservoir import with interface valve 5a through tube connector L1, the refrigerant liquid outlet of reservoir 7 is connected with the import 52a of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube 52 is connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the low pressure gas normal open interface 2d of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; Described flow controller 4 is throttle capillary tubes.
(2) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, for single thermal source-minimizing frosting-the heat-pump hot-water unit oppositely defrosts, comprise compressor 1, four-way change-over valve 2, the condenser 3 of heat supply, flow controller 4 is from the evaporimeter 5 of outdoor wind regime heat absorption, gas-liquid separator 6, reservoir 7, liquid-sighting glass 8, Filter dryer 9, magnetic valve 10, tube connector, the hygrosensors 54 of evaporimeter etc. is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, and frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the normal open high pressure gas outlet 2b of four-way change-over valve 2 is connected with the refrigerant inlet 34 of condenser 3, the refrigerant outlet 35 of condenser 3 is connected with reservoir 7 imports, after the refrigerant liquid outlet of reservoir 7 connects liquid-sighting glass 8, be connected with the import 52a of frost prevention heat exchanger tube 52, the outlet 52b of frost prevention heat exchanger tube 52 contacts in regular turn and takes over filter drier 9, behind the magnetic valve 10, be connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the low pressure gas normal open interface 2d of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; Described flow controller 4 is bidirectional throttling valves; Connect the import of check valve P1 along separate routes in the import of flow controller 4, the outlet of check valve P1 connects the outlet 52b of frost prevention heat exchanger tube 52, and the pipeline that check valve P1 is housed is oppositely defrosting bypass.
(3) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit, comprise compressor 1, the condenser 3 of heat supply, flow controller 4, evaporimeter 5 from outdoor wind regime heat absorption, gas-liquid separator 6, reservoir 7, liquid-sighting glass 8, Filter dryer 9, magnetic valve 10, tube connector, the hygrosensor 54 of evaporimeter etc., it is characterized in that being used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter the windward side of evaporimeter 5 increase-row, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 is connected with the refrigerant inlet 34 of condenser 3, the refrigerant outlet 35 of condenser 3 is connected with reservoir 7 imports, the refrigerant liquid outlet of reservoir 7 connects liquid-sighting glass 8 backs and is connected with the import 52a of frost prevention heat exchanger tube 52, the outlet 52b of frost prevention heat exchanger tube 52 contacts in regular turn and takes over filter drier 9, behind the magnetic valve 10, be connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; To a defrosting bypass is housed between the import 52a of frost prevention heat exchanger tube 52, in the defrosting bypass defrosting magnetic valve 11 is housed at compressor outlet.
(4) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be small-sized single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit, comprise compressor 1, the condenser 3 of heat supply, flow controller 4, evaporimeter 5 from outdoor wind regime heat absorption, gas-liquid separator 6, tube connector, the hygrosensor 54 of evaporimeter etc., it is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Also increase in the refrigerant loop three-way diverter valve D and fluid reservoir 7 are arranged; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import Da of three-way diverter valve D, the normal open outlet Db of three-way diverter valve D is connected with the refrigerant inlet 34 of condenser 3 with tube connector L2 through interface valve 2b1, the refrigerant outlet 35 of condenser 3 is connected with reservoir 7 imports with interface valve 5a through tube connector L1, the refrigerant liquid outlet of reservoir 7 is connected with the import 52a of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube 52 is connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; The normal pass outlet Dc of three-way diverter valve D is connected with the import 52a of frost prevention heat exchanger tube 52; The blast pipe L3 of the auxilliary valve Df of three-way diverter valve D is connected with the compressor air suction pipeline; Described flow controller 4 is throttle capillary tubes.
(5) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, for reducing frosting-air conditioner unit, comprise compressor 1, four-way change-over valve 2, indoor air cooling heat exchanger 3F, flow controller, outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle), gas-liquid separator 6, tube connector, the hygrosensors 54 of outdoor air cooling heat exchanger etc. is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, and frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Described flow controller is made up of first throttle capillary 41, second throttle capillary tube 42, first, second and the 3rd three check valve P1, P2 and P3; Also increase fluid reservoir 7 in the refrigerant loop; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator is connected with the air inlet of compressor, two other interface 2b of four-way change-over valve, 2d is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger and the refrigerant gas stream interface 3Fa of indoor air cooling heat exchanger respectively, after connecing three-way connection, the refrigerant liquid stream interface 3Fb of indoor air cooling heat exchanger 3F divides two-way, one the tunnel is connected in series reservoir 7 successively, frost prevention heat exchanger tube 52, the second check valve P2 is to the import of the 3rd check valve P3; Another road connects the outlet of the 3rd check valve; The parallel connected end of the import of the first check valve P1 and second capillary 42, be connected with the refrigerant liquid stream interface of outdoor air cooling heat exchanger, the outlet of first check valve is connected an end of first capillary 41 with second parallel connected end capillaceous, first other end capillaceous is connected altogether with the outlet of second check valve and the import of the 3rd check valve.
(6) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be two thermals source-minimizing frosting-cold/warm water air conditioning hot three-way set group, comprise compressor 1, four-way change-over valve 2, triple valve D, heat supply water condenser 3, flow controller, outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle), cold/warm water-to-water heat exchanger 5B, gas-liquid separator 6, reservoir 7, liquid-sighting glass 8, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, the hygrosensors 54 of tube connector and evaporimeter etc. is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, and frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Described flow controller is made up of first throttle valve 41, second choke valve 42, first, second and the 3rd three check valve P1, P2 and P3; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor 1 meets the air inlet Da of triple valve D, one of two gas outlets of triple valve D Db connects the refrigerant inlet of heat supply water condenser 3, and another connects the high pressure gas import 2a of four-way change-over valve 2; The refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the 3rd check valve P3 connects the import of reservoir 7, after the refrigerant liquid outlet of reservoir 7 connects liquid-sighting glass 8, take over control white heat exchanger tube 52,52 outlets of frost prevention heat exchanger tube are connected in series Filter dryer 9 successively, behind the magnetic valve 10, receive 20 imports of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve 20 divide two-way, one the tunnel is connected to the liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger through first throttle valve 41, the liquid stream interface of another road second choke valve 42 is connected to cold/warm water-to-water heat exchanger 5B; The liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger also is connected with the import of the first check valve P1, and the outlet of the first check valve P1 is connected with the import of Filter dryer 9; The liquid stream interface of cold/warm water-to-water heat exchanger 5B also is connected with the import of the second check valve P2, and the outlet of the second check valve P2 is connected with the import of reservoir 7; The common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1, and two other interface 2b, the 2d of four-way change-over valve is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger 5 and the air-flow interface of cold/warm water-to-water heat exchanger 5B respectively; The air inlet of the auxilliary valve 20f of refrigerating fluid three-way solenoid valve 20 and exhaust outlet are connected on compressor exhaust pipe and the air inlet pipe through tubule respectively; In addition, divide a defrosting bypass on the refrigerant inlet tube connector of triple valve D and condenser 3, dress defrosting magnetic valve B1 is connected on the inlet ductwork of frost prevention heat exchanger tube 52.
(7) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit, comprise compressor 1, four-way change-over valve 2, triple valve D, heat supply water condenser 3, flow controller, outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle), indoor air cooling heat exchanger 5B, gas-liquid separator 6, reservoir 7, the hygrosensor 54 of tube connector and evaporimeter etc., it is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Described flow controller is made up of first throttle capillary 41, second throttle capillary tube 42, first, second and the 3rd three check valve P1, P2 and P3; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor 1 meets the air inlet Da of triple valve D, one of two gas outlets of triple valve D Db connects the refrigerant inlet of heat supply water condenser 3, and another connects the high pressure gas import 2a of four-way change-over valve 2; The refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the 3rd check valve P3 connects the import of reservoir 7, the refrigerant liquid outlet of reservoir 7 connects 20 imports of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve 20 divide two-way, one the tunnel takes over control white heat exchanger tube 52, the outlet of frost prevention heat exchanger tube connects first throttle capillary 41, the outlet of first throttle capillary 41 is connected altogether with the liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger 51 and the import of the first check valve P1, and another road second throttle capillary tube 42 is connected to the liquid stream interface of indoor air cooling heat exchanger 5B; The liquid stream interface of indoor air cooling heat exchanger 5B also is connected with the import of the second check valve P2, the import that reservoir 7 is received in the outlet of the outlet of the first check valve P1 and the second check valve P2 jointly; The common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1, and two other interface 2b, the 2d of four-way change-over valve is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger 5 and the air-flow interface of indoor air cooling heat exchanger 5B respectively; Air inlet and the exhaust outlet of the auxilliary valve 20f of refrigerating fluid three-way solenoid valve 20 are connected on compressor exhaust pipe and the air inlet pipe through tubule respectively.
(8) increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be reduced form-two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit, comprise compressor 1, four-way change-over valve 2, triple valve D, heat supply water condenser 3, flow controller, outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle), indoor air cooling heat exchanger 5B, gas-liquid separator 6, reservoir 7, the hygrosensor 54 of tube connector and evaporimeter etc., it is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Described flow controller is made up of first throttle capillary 41, second throttle capillary tube 42, the first, second, third and the 4th four check valve P1, P2, P3 and P4; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor 1 meets the air inlet Da of triple valve D, one of two gas outlets of triple valve D Db connects the refrigerant inlet of heat supply water condenser 3, and another connects the high pressure gas import 2a of four-way change-over valve 2; The refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the outlet of the 3rd check valve P3 and the 4th check valve P4 is connected altogether with the import of reservoir 7, the refrigerant liquid outlet of reservoir 7 is connected with the import of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube is connected altogether with the outlet of first throttle capillary 41 1 ends and the first check valve P1, the outlet of first throttle capillary 41 is connected altogether with an end of the second stream capillary 42 and the import of the second check valve P2, the import of the outlet of the second check valve P2 and the 4th check valve P4 is connected altogether with the liquid stream interface of indoor air cooling heat exchanger 5B, and the import of the other end of second throttle capillary tube 42 and the first check valve P1 is connected altogether with the liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger; The common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1, and two other interface 2b, the 2d of four-way change-over valve is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger 5 and the air-flow interface of indoor air cooling heat exchanger 5B respectively; The blast pipe L3 of the auxilliary valve of triple valve D is connected on the air intake duct of compressor.
Because the increase that the present invention adopts has the wind source heat pump of frost prevention heat exchanger tube, increase by row's " frost prevention heat exchanger tube " in the windward side of evaporimeter 5, the frost prevention heat exchanger tube is connected between the import of the refrigerant liquid outlet of condenser of heat supply and flow controller, therefore, the refrigerant liquid that flows at the frost prevention heat exchanger tube has the pressure approaching with condenser, and higher temperature arranged, when condenser leaving water temperature during 55 ℃ of standards, the refrigerant liquid that generally enters the frost prevention heat exchanger tube is about 45~50 ℃, and winter evaporimeter temperature generally below 0 ℃, past high temperature refrigerant liquid is by reducing to the evaporating temperature below 0 ℃ after the throttling, so the refrigeration liquid measure that can evaporate the heat of absorbing environmental after the throttling reduces relatively.And method of the present invention is to allow the refrigerant liquid of higher temperature pass through " frost prevention heat exchanger tube ", " frost prevention heat exchanger tube " evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium, " frost prevention heat exchanger tube " is in higher temperature, it heats the cold air of incoming flow on the one hand, it is by fin heating fumigators heat exchanger tube inner refrigerant on the other hand, so just make the fin temperature of evaporimeter that the frosting of being higher than temperature is often arranged, reduced the chance of frosting; Because the air themperature of process evaporimeter has raise, and the evaporimeter draw heat has also increased, because evaporator surface is frostless, the heat transfer temperature difference of evaporimeter has also reduced,, get very benign cycle on the other hand so evaporating temperature has also improved.Refrigerant liquid drops to tens degree from 45~50 ℃, can discharge to be equivalent to evaporimeter to absorb heat about 40%, and therefore the fine effect that subtracts white frost prevention synergy is arranged.
This invention technology is applied to dissimilar heat pumps all effect same, just in case frosting appearance in addition once in a while needs to adopt different Defrost methods, the recycled back defrosting is arranged, or the slight high temperature circulating with choke of forward defrosting.
Description of drawings
Fig. 1 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of the small-sized single thermal source-minimizing frosting-heat-pump hot-water unit that oppositely defrosts.
Fig. 2 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of the single thermal source-minimizing frosting-heat-pump hot-water unit that oppositely defrosts.
Fig. 3 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit.
Fig. 4 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of small-sized single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit.
Fig. 5 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, for reducing the principle of compositionality figure of frosting-air conditioner unit.
Fig. 6 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of two thermals source-minimizing frosting-ice/hot-water air-conditioning hot water three-purpose unit.
Fig. 7 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit.
Fig. 8 is the wind source heat pump that increase of the present invention has the frost prevention heat exchanger tube, is the principle of compositionality figure of reduced form-two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit.
Fig. 9 is that increase of the present invention has a kind of heat supply structure of condenser schematic diagram that is adopted in the wind source heat pump of frost prevention heat exchanger tube, and heat exchanger tube is applicable to small-sized hot water heat pump within fair water sleeves.
Figure 10 is that increase of the present invention has another the heat supply structure of condenser schematic diagram that is adopted in the wind source heat pump of frost prevention heat exchanger tube, and heat exchanger tube is applicable to medium-sized hot water heat pump between fair water sleeves and heat storage water tank wall.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, further specify the present invention.But the present invention is not limited to this.
Embodiment 1, and Fig. 1 is the wind source heat pump that the increase of the embodiment of the invention 1 has the frost prevention heat exchanger tube, and described source pump is the principle of compositionality figure of the small-sized single thermal source-minimizing frosting-heat-pump hot-water unit that oppositely defrosts.
Embodiment 1 is applicable to domestic hot water's feeding mechanism.This system has comprised the basic equipment spare of heat pump: compressor 1, and four-way change-over valve 2, the condenser 3 of heat supply, flow controller 4 is from the evaporimeter 5 and the evaporator fan 53 of outdoor wind regime heat absorption; Tube connector, the hygrosensor 54 of evaporimeter etc.; It among the figure assembly of the condenser 3 of heat supply; The condenser 3 of heat supply comprises heat storage water tank, condenser heat exchanger tube 30, fair water sleeves 3a, hot water temperature's detector 31, temperature indicator 39 and water inlet control valve 36, water-in and water-out interface 37,38 etc.; It is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Also increase fluid reservoir 7 in the refrigerant loop; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the normal open high pressure gas outlet of four-way change-over valve is connected with the refrigerant inlet 34 of condenser with tube connector L2 through interface valve 2b1, the refrigerant outlet 35 of condenser is connected with the reservoir import with interface valve 5a through tube connector L1, the refrigerant liquid outlet of reservoir 7 is connected with the import 52a of frost prevention heat exchanger tube 52, the outlet 52b of frost prevention heat exchanger tube 52 is connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the low pressure gas normal open interface 2d of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; Described flow controller 4 is throttle capillary tubes.
Cold-producing medium circulates and is in proper order during operation of heat pump: compressor 1, four-way change-over valve 2, the condenser 3 of heat supply, reservoir 7, frost prevention heat exchanger tube 52, flow controller 4, the evaporating heat-exchanging pipe 51 of evaporimeter 5, gas-liquid separator 6, compressor 1.Cold-producing medium absorbs the higher cold-producing medium heat of the temperature of frost prevention heat exchanger tube 52 and airborne heat and evaporates in evaporimeter, be inhaled into the compressed one-tenth high pressure-temperature of compressor hot gas, in condenser 3, condense into liquid, emit heat of condensation heat hot water, condense into the higher refrigerant liquid of temperature again through frost prevention heat exchanger tube and the cold air heat exchange that enters evaporimeter, promoted temperature by the air of evaporimeter, heat conduction by fin has also improved the fin temperature on the other hand, thereby has reduced the cryogenic conditions of frosting.
Is main body in the big frame of broken lines on the right among the figure, is contained in outdoorly that have interface valve 2b1 and 5a on the main body, cold-producing medium is that can is in the pipeline of main body; Be the assembly of the condenser 3 of heat supply in the frame of broken lines of the right, can be contained in indoor or other is local; Two body and function tube connector L1 and L2 connect into the loop during installation.
Embodiment 2, and Fig. 2 is the wind source heat pump that the increase of the embodiment of the invention 2 has the frost prevention heat exchanger tube, are the principle of compositionality figure of the single thermal source-minimizing frosting-heat-pump hot-water unit that oppositely defrosts.
Shown in Figure 2 is the typical principle schematic that a kind of wind source heat pump of the present invention reduces the frosting technology, and compressor horsepower is more than 3kW.This system has comprised the basic equipment spare of heat pump: compressor 1, and four-way change-over valve 2, the condenser 3 of heat supply, flow controller 4 is from the evaporimeter 5 and the evaporator fan 53 of outdoor wind regime heat absorption; And additional device: gas-liquid separator 6, reservoir 7, liquid-sighting glass 8, Filter dryer 9, magnetic valve 10, tube connector, the hygrosensor 54 of evaporimeter etc.; It among the figure assembly of the condenser 3 of heat supply; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the normal open high pressure gas outlet 2b of four-way change-over valve 2 is connected with the refrigerant inlet 34 of condenser 3, the refrigerant outlet 35 of condenser 3 is connected with reservoir 7 imports, after the refrigerant liquid outlet of reservoir 7 connects liquid-sighting glass 8, be connected with the import 52a of the frost prevention heat exchanger tube 52 that increases newly, the outlet 52b of frost prevention heat exchanger tube 52 contacts in regular turn and takes over filter drier 9, behind the magnetic valve 10, be connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the low pressure gas normal open interface 2d of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; It is characterized in that increasing by a row in the windward side of evaporimeter 5 is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, frost prevention heat exchanger tube 52 evaporates the heat exchanger tube 51 shared identical fins of usefulness with original cold-producing medium of evaporimeter 5; Frost prevention heat exchanger tube 52 is to increase between the import of outlet of the refrigerant liquid of reservoir 7 and flow controller 4; Between the outlet 52b of the import of flow controller 4 and frost prevention heat exchanger tube 52, increase an oppositely defrosting bypass, in reverse defrosting bypass, be equipped with and allow the check valve P1 of cold-producing medium reverse flow; Described flow controller 4 is bidirectional throttling valves.
Cold-producing medium circulates and is in proper order during operation of heat pump: compressor 1, four-way change-over valve 2, the condenser 3 of heat supply, reservoir 7, liquid-sighting glass 8, frost prevention heat exchanger tube 52, Filter dryer 9, magnetic valve 10, flow controller 4, the evaporating heat-exchanging pipe 51 of evaporimeter 5, gas-liquid separator 6, compressor 1.Cold-producing medium absorbs the higher cold-producing medium heat and the airborne heat of vaporization of temperature of frost prevention heat exchanger tube 52 in evaporimeter, be inhaled into compressor compresses and become high pressure-temperature hot gas, in condenser 3, condense into liquid, emit heat of condensation heat hot water, the higher refrigerant liquid of temperature is through frost prevention heat exchanger tube and the cold air heat exchange that enters evaporimeter, promoted the temperature by the air of evaporimeter, the heat conduction by fin has also improved the fin temperature on the other hand, thereby has reduced the cryogenic conditions of frosting.
Reservoir 7 is to collaborate for fear of condenser 3 and 52 short circuits of frost prevention heat exchanger tube, liquid-sighting glass 8 is to be used for observing whether the phenomenon of collaborating is arranged, the adjustment of the throttling degree by flow controller and the adjusting of refrigerant charging loading amount, the phenomenon of collaborating can be avoided, thereby guarantees that heat capacity does not reduce.
The condenser 3 of heat supply is except that heat storage water tank that includes heat-insulation layer and cold-producing medium heat exchanger tube 30, on its bottom inlet pipeline into water control valve 36 is housed also, water check valve 33, inflow temperature gauge head 32, water tank upper is equipped with leaving water temperature gauge head 31, water inlet interface 37 stays with running water pipe and is connected, and the water outlet interface stays with user's storage tank and is connected, and is measured the open degree of the difference control water inlet control valve 36 of temperature and setting leaving water temperature by leaving water temperature gauge head 31.
Humidity has greatly when temperature is very low, when the heat of the refrigerant liquid that temperature is higher still can not stop frosting to produce the needs defrosting, can be according to the indication of the hygrosensor of evaporimeter and the front and back wind resistance value of evaporimeter, carry out defrost cycle, present embodiment is the recycled back defrosting that adopts the cross valve commutation.When adopting reverse defrost cycle, used flow controller 4 is bidirectional throttling valves; Because Filter dryer is unidirectional, so adopt the reverse defrosting bypass that check valve P1 is housed, cold-producing medium again through check valve P1, flows through and returns compressor behind frost prevention heat exchanger tube, liquid-sighting glass, reservoir, condenser, cross valve, the gas-liquid separator behind flow controller in the time of can allowing defrost cycle; Compressor air-discharging condenses in evaporimeter and emits latent heat, can make frost thawing rapidly on the fin.
Embodiment 3, are the wind source heat pumps that the increase of embodiments of the invention 3 has the frost prevention heat exchanger tube, and described source pump is the principle of compositionality figure of single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit.
Embodiment 3 only is that with the difference of embodiment 2 defrosting mode is different, embodiment 3 adopts the forward hot gas defrosting, so saved cross valve, exhaust outlet of compressor is received the refrigerant inlet of condenser, also draws the frost prevention heat exchanger tube is received in a bypass through magnetic valve 11 import simultaneously.The bypass of the check valve P1 of cancellation embodiment 2 and choke valve required two-way restriction.During the normal heat pump operation, magnetic valve 11 cuts out.Magnetic valve 11 is opened during defrosting, and warm refrigerant gas directly enters the frost prevention heat exchanger tube, because condensing of hot high pressure cold-producing medium gas discharges big calorimetric, by hot blast and fin heat conduction, the frost layer on the evaporator fin is melted rapidly.This defrost method, the power condition changing of system is little, economizes energy.
Embodiment 4, and Fig. 4 is the wind source heat pump that the increase of the embodiment of the invention 4 has the frost prevention heat exchanger tube, and described source pump is the principle of compositionality figure of small-sized single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit.
Embodiment 4 is to have cancelled four-way change-over valve with the difference of embodiment 1, increased triple valve D by the four-way change-over valve transformation of the way, the cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor 1 meets the high pressure gas import Da of three-way diverter valve D, the normal open outlet Db of three-way diverter valve D is connected with the refrigerant inlet 34 of condenser 3, the refrigerant outlet 35 of condenser 3 is connected with reservoir 7 imports, the refrigerant liquid outlet of reservoir 7 is connected with the import 52a of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube 52 is connected to the import of flow controller 4, the outlet of flow controller 4 is connected with the import of the heat exchanger tube 51 of the evaporation usefulness of evaporimeter 5, the outlet of evaporimeter 5 is connected with the import of gas-liquid separator 6, and the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; The normal pass outlet Dc of three-way diverter valve D is connected with the import 52a of frost prevention heat exchanger tube 52; The blast pipe L3 of the auxilliary valve Df of three-way diverter valve D is connected with the compressor air suction pipeline; Described flow controller 4 is throttle capillary tubes.The feature of embodiment 4 is not only to increase the frost prevention heat exchanger tube, but also adopts the forward Defrost technology of three-way diverter valve D commutation, and the latter is also very characteristic.
When needs defrost, three-way diverter valve D commutation, Compressed Gas enters frost prevention heat exchanger tube 52, emits heat of condensation defrost.Because more reliable than adopting two two-way electromagnetic valves with the triple valve that cross valve changes, and the forward defrost system is stable.
Embodiment 5, and Fig. 5 is the wind source heat pump that the increase of the embodiment of the invention 5 has the frost prevention heat exchanger tube, for reducing the principle of compositionality figure of frosting-air conditioner unit.
The source pump of embodiment 5 has cooling gas in summer, airway dysfunction heats winter, it is present common a kind of air conditioner unit, but often make heat pump heating gas performance decrease in the time of in the winter time because of the outdoor heat exchanger frosting, so that can't work, present embodiment increases by a row and is used for " the frost prevention heat exchanger tube " 52 that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter in outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle) windward side, to reduce frosting, in certain areas even can realize frostless operation.
The increase of embodiment 5 has the connected mode of each equipment spare of the wind source heat pump of frost prevention heat exchanger tube to be: the gas outlet of compressor 1 meets the high pressure gas import 2a of four-way change-over valve 2, the common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1, two other interface 2b of four-way change-over valve, 2d is connected with the refrigerant gas stream interface 51a of outdoor air cooling heat exchanger 5 and the refrigerant gas stream interface 3Fa of indoor air cooling heat exchanger 3F respectively, after connecing three-way connection, the refrigerant liquid stream interface 3Fb of indoor air cooling heat exchanger divides two-way, one the tunnel is connected in series reservoir 7 successively, frost prevention heat exchanger tube 52 (52a → 52b), the second check valve P2, to the import of the 3rd check valve P3, the outlet of the 3rd check valve P3 is accepted on another road; The parallel connected end of the import of the first check valve P1 and second capillary 42, be connected with the refrigerant liquid stream interface 51b of outdoor air cooling heat exchanger 5, the outlet of the first check valve P1 is connected an end of first capillary 41 with the parallel connected end of second capillary 42, the other end of first capillary 41 is connected altogether with the outlet of the second check valve P2 and the import of the 3rd check valve P3.Be the structure of flow controller in the frame of broken lines among the figure.
This heat pump is when heating fate row, and the flow process of cold-producing medium is in regular turn: compressor 1, four-way change-over valve 2, indoor air cooling heat exchanger 3F, reservoir 7, frost prevention heat exchanger tube 52 (52a → 52b), check valve P2, second capillary 42, first capillary 41, outdoor air cooling heat exchanger 5 (51b → 51a), four-way change-over valve 2, gas-liquid separator 6, compressor 1.
This heat pump is when refrigerating operaton, and the flow process of cold-producing medium is in regular turn: compressor 1, four-way change-over valve 2, outdoor air cooling heat exchanger 5 (51a → 51b), the first check valve P1, first capillary 41, the 3rd check valve P3, indoor air cooling heat exchanger 3F, four-way change-over valve 2, gas-liquid separator 6, compressor 1.
The Defrost operation refrigerating operaton is identical.
Embodiment 6, and Fig. 6 is the wind source heat pump that the increase of the embodiment of the invention 6 has the frost prevention heat exchanger tube, are the principle of compositionality figure of two thermals source-minimizing frosting-cold/warm water air conditioning hot three-way set group.
The source pump of embodiment 6 has four kinds of functions, heats water, heats the water air conditioner cold water of holding concurrently, system heating water, system air conditioner cold water.Two kinds of circulations that heat water and system heating water in the winter time all are to absorb heat from outdoor air, need to adopt and reduce the frosting technology, need defrosting sometimes, open defrosting magnetic valve B1 during defrosting, the employing compressor air-discharging by the frost prevention heat exchanger tube, utilizes hot blast and fin heat conduction defrost through the defrosting bypass.Be the formation and the connected mode of flow controller in the frame of broken lines among the figure.
As shown in Figure 6, the source pump of embodiment 6 is by compressor 1, four-way change-over valve 2, triple valve D, heat supply water condenser 3, (described flow controller is by first throttle valve 41 for flow controller, second choke valve 42, first, three check valve P1 of the second and the 3rd, P2 and P3 constitute, see among the figure in the frame of broken lines shown in), outdoor air cooling heat exchanger 5 (being evaporimeter during heat pump cycle) and its fan 53, frost prevention heat exchanger tube 52, cold/warm water-to-water heat exchanger 5B and its water-circulating pump 5Bd, gas-liquid separator 6, reservoir 7, liquid-sighting glass 8, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, the hygrosensors 54 of tube connector and evaporimeter etc. connect into four independent loops loops: heat water, heat the water air conditioner cold water of holding concurrently, system heating water, the closed circuit of system air conditioner cold water.
The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor 1 meets the air inlet Da of triple valve D, one of two gas outlets of triple valve D Db connects the refrigerant inlet of heat supply water condenser 3, and another connects the high pressure gas import 2a of four-way change-over valve 2; The refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the 3rd check valve P3 connects the import of reservoir 7, after the refrigerant liquid outlet of reservoir 7 connects liquid-sighting glass 8, be connected with the import of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube 52 is connected in series Filter dryer 9 successively, behind the magnetic valve 10, receive 20 imports of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve 20 divide two-way, one the tunnel is connected to the liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger through first throttle valve 41, the liquid stream interface of another road second choke valve 42 is connected to cold/warm water-to-water heat exchanger 5B; The liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger also is connected with the import of the first check valve P1, and the outlet of the first check valve P1 is connected with the import of Filter dryer 9; The liquid stream interface of cold/warm water-to-water heat exchanger 5B also is connected with the import of the second check valve P2, and the outlet of the second check valve P2 is connected with the import of reservoir 7; The common low pressure gas interface 2c of four-way change-over valve 2 is connected with the import of gas-liquid separator 6, the outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1, and two other interface 2b, the 2d of four-way change-over valve is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger 5 and the air-flow interface of cold/warm water-to-water heat exchanger 5B respectively; The air inlet of the auxilliary valve 20f of refrigerating fluid three-way solenoid valve 20 and exhaust outlet are connected on compressor exhaust pipe and the air inlet pipe through tubule respectively; In addition, divide a defrosting bypass on the refrigerant inlet tube connector of triple valve D and condenser 3, dress defrosting magnetic valve B1 is connected on the inlet ductwork of frost prevention heat exchanger tube 52.
Heat the water circulation process and connect preface: compressor 1, triple valve D (evaporating heat-exchanging pipe 51 of Da → Db), condenser 3, the 3rd check valve P3, reservoir 7, liquid-sighting glass 8, frost prevention heat exchanger tube 52, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, first throttle valve 41, outdoor air cooling heat exchanger 5, cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.Because refrigeration heat liquid by the heat release of frost prevention heat exchanger tube, has promoted the temperature that flows through the evaporating heat-exchanging pipe air, and, reduced the frosting chance of evaporating heat-exchanging pipe, played obstruction frosting effect by fin heat conduction.
Heat the water air conditioner cold water flow process of holding concurrently and connect preface: compressor 1, triple valve D (Da → Db), condenser 3, the 3rd check valve P3, reservoir 7, liquid-sighting glass 8, frost prevention heat exchanger tube 52, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, second choke valve 42, cold/warm water-to-water heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.This cycling hot refrigerating fluid can increase refrigerating capacity by the heat release of frost prevention heat exchanger tube.
System heating current journey connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (2a → 2d), cold/warm water-to-water heat exchanger 5B, second check valve P2, reservoir 7, liquid-sighting glass 8, frost prevention heat exchanger tube 52, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, first throttle valve 41, outdoor air cooling heat exchanger 5 (evaporating heat-exchanging pipe 51), cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.
System air conditioner cold water flow process connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (2a → 2b), outdoor air cooling heat exchanger 5 (evaporating heat-exchanging pipe 51), the first check valve P1, Filter dryer 9, magnetic valve 10, refrigerating fluid three-way solenoid valve 20, second choke valve 42, cold/warm water-to-water heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.
Need defrosting during system heating water, adopt the circulation of system air conditioner cold water.
Need defrosting when heating water, it is constant to heat water circulation, opens defrosting magnetic valve B1 and gets final product.This moment, cold-producing medium hot gas entered frost prevention heat exchanger tube 52, and condensation heat is by hot blast and fin heat conduction defrost.
Embodiment 7, and Fig. 7 is the wind source heat pump that the increase of the embodiment of the invention 7 has the frost prevention heat exchanger tube, are the principle of compositionality figure of two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit.
Embodiment 7 be a kind of be applicable to providing of family cold/three-way set of heating installation and hot water, four kinds of functions and four kinds of circulations are also arranged, embodiment 7 with the difference of implementing 6 is, replaced with indoor air cooling heat exchanger 5B in the loop and implemented cold/warm water-to-water heat exchanger of 6, cancelled middle auxiliary Filter dryer, liquid-sighting glass, magnetic valve and defrosting magnetic valve and its bypass of using embodiment illustrated in fig. 6, the formation and the connected mode of the flow controller among Fig. 7 of embodiment 7 in the frame of broken lines also have change.
The formation and the connected mode of embodiment 7 flow controllers are: the refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the 3rd check valve P3 connects the import of reservoir 7, the refrigerant liquid outlet of reservoir 7 connects 20 imports of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve 20 divide two-way, one the tunnel takes over control white heat exchanger tube 52, the outlet of frost prevention heat exchanger tube connects first throttle capillary 41, the outlet of second throttle capillary tube 41 is connected altogether with the liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger 51 and the import of check valve P1, and another road is connected to the liquid stream interface of indoor air cooling heat exchanger 5B through choke valve 42; The liquid stream interface of indoor air cooling heat exchanger 5B also is connected with the import of check valve P2, the import that reservoir 7 is received in the outlet of the outlet of the first check valve P1 and the second check valve P2 jointly.
Heat the water circulation process and connect preface: compressor 1, triple valve D (evaporating heat-exchanging pipe 51 of Da → Db), condenser 3, the 3rd check valve P3, reservoir 7, refrigerating fluid three-way solenoid valve 20, frost prevention heat exchanger tube 52, first throttle capillary 41, outdoor air cooling heat exchanger 5, cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.Because refrigeration heat liquid by the heat release of frost prevention heat exchanger tube, has promoted the temperature that flows through the evaporating heat-exchanging pipe air, and, reduced the frosting chance of evaporating heat-exchanging pipe, played obstruction frosting effect by fin heat conduction.
Heat the water cooling flow journey of holding concurrently and connect preface: compressor 1, triple valve D (Da → Db), condenser 3, the 3rd check valve P3, reservoir 7, refrigerating fluid three-way solenoid valve 20, second choke valve 42, indoor air cooling heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.
System heating air-flow journey connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (2a → 2d), indoor air cooling heat exchanger 5B, the second check valve P2, reservoir 7, frost prevention heat exchanger tube 52, first throttle valve 41, outdoor air cooling heat exchanger 5 (evaporating heat-exchanging pipe 51), cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.Because refrigeration heat liquid by the heat release of frost prevention heat exchanger tube, has promoted the temperature that flows through the evaporating heat-exchanging pipe air, and, reduced the frosting chance of evaporating heat-exchanging pipe, played obstruction frosting effect by fin heat conduction.
The cooling flow journey connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (2a → 2b), outdoor air cooling heat exchanger 5 (evaporating heat-exchanging pipe 51), the first check valve P1, reservoir 7, refrigerating fluid three-way solenoid valve 20, second choke valve 42, indoor air cooling heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.
Need defrosting when heating water and system heating gas, all adopt the circulation of refrigeration gas.
Embodiment 8, and Fig. 8 is the wind source heat pump that the increase of the embodiment of the invention 8 has the frost prevention heat exchanger tube, are the principle of compositionality figure of reduced form-two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit.
Embodiment 8 and the difference of embodiment 7 are that the formation of described flow controller simplifies with being connected more, and it is suitable for the cold-heat air-conditioning, water-heating three-purpose machine of family, and four kinds of functions are still arranged.
Shown in the frame of broken lines of Fig. 8, the formation of the flow controller of the source pump of embodiment 8 with being connected is, the refrigerant liquid outlet of condenser 3 connects the import of the 3rd check valve P3, the outlet of the outlet of the 3rd check valve P3 and the 4th check valve P4 is connected altogether with the import of reservoir 7, the refrigerant liquid outlet of reservoir 7 is connected with the import of frost prevention heat exchanger tube 52, the outlet of frost prevention heat exchanger tube is connected altogether with the outlet of first throttle capillary 41 1 ends and the first check valve P1, the outlet of first throttle capillary 41 is connected altogether with an end of second throttle capillary tube 42 and the import of the second check valve P2, the import of the outlet of the second check valve P2 and the 4th check valve P4 is connected altogether with the liquid stream interface of indoor air cooling heat exchanger 5B, and the import of the other end of second throttle capillary tube 42 and the first check valve P1 is connected altogether with the liquid stream interface of the evaporation tube 51 of outdoor air cooling heat exchanger; Because the triple valve D of embodiment 8 changes a social system with small-sized four-way change-over valve, the blast pipe L3 of its auxilliary valve Df need be connected on the air intake duct of compressor, and the total blast pipe of the four-way change-over valve the during transformation of the way is blocked.
Heat the water circulation process and connect preface: compressor 1, triple valve D (evaporating heat-exchanging pipe 51 of Da → Db), condenser 3, check valve P3, reservoir 7, frost prevention heat exchanger tube 52, first throttle capillary 41, second throttle capillary tube 42, outdoor air cooling heat exchanger 5, cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.Because refrigeration heat liquid by the heat release of frost prevention heat exchanger tube, has promoted the temperature that flows through the evaporating heat-exchanging pipe air, and, reduced the frosting chance of evaporating heat-exchanging pipe, played obstruction frosting effect, 42 auxiliary throttling actions of second throttle capillary tube by fin heat conduction.
Heat the water cold air flow process of holding concurrently and connect preface: compressor 1, triple valve D (Da → Db), condenser 3, the 3rd check valve P3, reservoir 7, frost prevention heat exchanger tube 52, first throttle capillary 41, the second check valve P2, indoor air cooling heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.The frost prevention heat exchanger tube has only the cold thermolysis of faint mistake.
System heating air-flow journey connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (evaporating heat-exchanging pipe 51 of 2a → 2d), indoor air cooling heat exchanger 5B, the 4th check valve P4, reservoir 7, frost prevention heat exchanger tube 52, first throttle capillary 41, second throttle capillary tube 42, outdoor air cooling heat exchanger 5, cross valve 2 (2b → 2c), gas-liquid separator 6, compressor 1.Because refrigeration heat liquid by the heat release of frost prevention heat exchanger tube, has promoted the temperature that flows through the evaporating heat-exchanging pipe air, and, reduced the frosting chance of evaporating heat-exchanging pipe, played obstruction frosting effect by fin heat conduction.
The cooling flow journey connects preface: compressor 1, triple valve D (Da → Dc), cross valve 2 (2a → 2b), outdoor air cooling heat exchanger 5 (evaporating heat-exchanging pipe 51), second throttle capillary tube 42, the second check valve P2, indoor air cooling heat exchanger 5B, cross valve 2 (2d → 2c), gas-liquid separator 6, compressor 1.
Heat water and make heating gas when occurring needing defrosting, the circulation of all employing refrigeration gas.
Fig. 9 is the embodiment of the invention 3,4,7 and the 8 heat supply condensers 3 that use, and a kind of helix tube places the structural representation of the water self-circulation type heat exchanger in the fair water sleeves.As shown in Figure 9, thermal storage water tank 3 outsides are surrounded by insulation cladding, flange seat 3c and ring flange 3d are arranged at the thermal storage water tank bottom; The heat exchanger tube 30 of condenser 3 is spiral-shaped, stand within the interior fair water sleeves 3a of water tank, base 34a and the 35a that is welded on the ring flange passed in its import 34 and outlet 35 respectively, makes the sealed, water-tight into and out of pipe of heat exchanger 30 on every side with 0 type rubber ring and pressure ring and nut; There is rubber blanket 3e to compress between ring flange and the flange seat through bolt 3f and nut 3g, but also washer sealing between bolt 3f and the flange seat, or welded seal; Weld 3~4 rack leg 3a1 and 3a2 respectively at the two ends of fair water sleeves 3a, rack leg 3a1 is inserted in the centring ring 3b at center in the water tank top cover; The water inlet of spiral heat exchanger 30 and the interface of water outlet 37 and 38 are contained in water tank bottom and top respectively.
Figure 10 is a kind of structural representation that a kind of spiral heat exchange tubes that the embodiment of the invention 2,4,5 and 6 is used place the self-circulation type water internal circulation heat-exchanging loop system between the annulus of fair water sleeves and water storage tank wall.Functions of components shown in each symbol is all with shown in Figure 9 identical among Figure 10, but spiral heat exchange tube shown in Figure 10 is to place between the annulus of fair water sleeves and water storage tank wall, arranges along circular water tank wall, and many helix tubes are staggered in twos.
In embodiment 1,4,5,7 and 8, on the connecting line between the import that is exported to frost prevention heat exchanger tube 52 of reservoir 7, also can install liquid-sighting glass additional.

Claims (9)

1. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, mainly comprise compressor (1), the condenser of heat supply (3), flow controller (4), evaporimeter (5) from outdoor wind regime heat absorption, gas-liquid separator (6) and transfer valve etc., connect into the heat pump cycle loop with tube connector, be filled with cold-producing medium in the loop, it is characterized in that increasing by a row in the windward side of evaporimeter is used for " frost prevention heat exchanger tube " (52) that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the shared identical fin of heat exchanger tube (51) of original cold-producing medium evaporation usefulness of frost prevention heat exchanger tube and evaporimeter, frost prevention heat exchanger tube are connected between the import of the refrigerant liquid outlet of condenser of heat supply and flow controller.
2. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, for small-sized single thermal source-minimizing frosting-the heat-pump hot-water unit oppositely defrosts, comprise compressor, four-way change-over valve, the condenser of heat supply (3), flow controller, evaporimeter (5) from outdoor wind regime heat absorption, gas-liquid separator, tube connector, the hygrosensor of evaporimeter etc.; The condenser of heat supply comprises heat storage water tank, condenser heat exchanger tube, hot water temperature's detector, temperature indicator and water inlet control valve, water-in and water-out interface etc.; It is characterized in that increasing by a row in the windward side of evaporimeter is used for " frost prevention heat exchanger tube " (52) that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; Also increase fluid reservoir in the refrigerant loop; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor connects the high pressure gas import of four-way change-over valve, the normal open high pressure gas outlet of four-way change-over valve is connected with the refrigerant inlet of condenser with tube connector (L2) through interface valve (2b1), the refrigerant outlet of condenser is connected with the reservoir import with interface valve (5a) through tube connector (L1), the refrigerant liquid outlet of reservoir is connected with (52a) import of frost prevention heat exchanger tube, the outlet of frost prevention heat exchanger tube (52b) is connected to the import of flow controller, the outlet of flow controller is connected with the import of the heat exchanger tube of the evaporation usefulness of evaporimeter, the outlet of evaporimeter is connected with the low pressure gas normal open interface of four-way change-over valve, the common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the air inlet of compressor; Described flow controller is a throttle capillary tube.
3. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, for single thermal source-minimizing frosting-the heat-pump hot-water unit oppositely defrosts, comprise compressor, four-way change-over valve (2), the condenser of heat supply, flow controller is from the evaporimeter of outdoor wind regime heat absorption, gas-liquid separator, reservoir (7), liquid-sighting glass (8), Filter dryer (9), magnetic valve (10), tube connector, the hygrosensors of evaporimeter etc. is characterized in that increasing by a row in the windward side of evaporimeter is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, and the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor connects the high pressure gas import of four-way change-over valve, the normal open high pressure gas outlet of four-way change-over valve is connected with the refrigerant inlet of condenser, the refrigerant outlet of condenser is connected with the reservoir import, after the refrigerant liquid outlet of reservoir connects liquid-sighting glass (8), be connected with the import (52a) of frost prevention heat exchanger tube, the outlet of frost prevention heat exchanger tube (52b) is contacted in regular turn and is taken over the filter drier, behind the magnetic valve, be connected to the import of flow controller, the outlet of flow controller is connected with the import of the heat exchanger tube of the evaporation usefulness of evaporimeter, the outlet of evaporimeter is connected with the low pressure gas normal open interface of four-way change-over valve, the common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the air inlet of compressor; Described flow controller is a bidirectional throttling valve; Connect the import of check valve (P1) along separate routes in the import of flow controller, the outlet of check valve connects the outlet of frost prevention heat exchanger tube, and the pipeline that check valve is housed is oppositely defrosting bypass.
4. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit, comprise compressor, the condenser of heat supply, flow controller, evaporimeter from outdoor wind regime heat absorption, gas-liquid separator, reservoir, liquid-sighting glass, Filter dryer, magnetic valve, tube connector, the hygrosensor of evaporimeter etc., it is characterized in that increasing by a row in the windward side of evaporimeter is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor is connected with the refrigerant inlet of condenser, the refrigerant outlet of condenser is connected with the reservoir import, after connecting liquid-sighting glass, the refrigerant liquid outlet of reservoir is connected with the import of frost prevention heat exchanger tube, the outlet of frost prevention heat exchanger tube is contacted in regular turn and is taken over the filter drier, behind the magnetic valve, be connected to the import of flow controller, the outlet of flow controller is connected with the import of the heat exchanger tube of the evaporation usefulness of evaporimeter, the outlet of evaporimeter is connected with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the air inlet of compressor; To a defrosting bypass is housed between the import of frost prevention heat exchanger tube, in the defrosting bypass defrosting magnetic valve (11) is housed at compressor outlet.
5. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be small-sized single thermal source-minimizing frosting-forward defrosting heat-pump hot-water unit, comprise compressor, the condenser of heat supply, flow controller, evaporimeter from outdoor wind regime heat absorption, gas-liquid separator, tube connector, the hygrosensor of evaporimeter etc., it is characterized in that increasing by a row in the windward side of evaporimeter is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; Also increase in the refrigerant loop three-way diverter valve (D) and fluid reservoir are arranged; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor connects the high pressure gas import of three-way diverter valve, the normal open outlet (Db) of three-way diverter valve is connected with the refrigerant inlet of condenser with tube connector (L2) through interface valve (2b1), the refrigerant outlet of condenser is connected with the reservoir import with interface valve (5a) through tube connector (L1), the refrigerant liquid outlet of reservoir is connected with the import of frost prevention heat exchanger tube, the outlet of frost prevention heat exchanger tube is connected to the import of flow controller, the outlet of flow controller is connected with the import of the heat exchanger tube of the evaporation usefulness of evaporimeter, the outlet of evaporimeter is connected with the import of gas-liquid separator, and the outlet of gas-liquid separator is connected with the air inlet of compressor; The normal pass outlet of three-way diverter valve is connected with the import of frost prevention heat exchanger tube; The blast pipe (L3) of the auxilliary valve (Df) of three-way diverter valve is connected with the compressor air suction pipeline; Described flow controller is a throttle capillary tube.
6. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, for reducing frosting-air conditioner unit, comprise compressor, four-way change-over valve, indoor air cooling heat exchanger (3F), flow controller, outdoor air cooling heat exchanger (being evaporimeter during heat pump cycle), gas-liquid separator, tube connector, the hygrosensors of outdoor air cooling heat exchanger etc. is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, and the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; Described flow controller is made up of first throttle capillary (41), second throttle capillary tube (42), first, second and three check valves (P1, P2 and P3) of the 3rd; Also increase fluid reservoir in the refrigerant loop; The cold-producing medium circulation connected mode of heat pump work is: the gas outlet of compressor connects the high pressure gas import of four-way change-over valve, the common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, the outlet of gas-liquid separator is connected with the air inlet of compressor, two other interface (2b of four-way change-over valve, 2d) be connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger and the refrigerant gas stream interface (3Fa) of indoor air cooling heat exchanger respectively, after connecing three-way connection, the refrigerant liquid stream interface (3Fb) of indoor air cooling heat exchanger divides two-way, one the tunnel is connected in series reservoir successively, the frost prevention heat exchanger tube, second check valve (P2) is to the import of the 3rd check valve (P3); Another road connects the outlet of the 3rd check valve; The parallel connected end of the import of first check valve (P1) and second capillary (42), be connected with the refrigerant liquid stream interface of outdoor air cooling heat exchanger, the outlet of first check valve is connected an end of first capillary (41) with second parallel connected end capillaceous, first other end capillaceous is connected altogether with the outlet of second check valve and the import of the 3rd check valve.
7. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be two thermals source-minimizing frosting-cold/warm water air conditioning hot three-way set group, comprise compressor, four-way change-over valve, triple valve, heat supply water condenser, flow controller, outdoor air cooling heat exchanger (being evaporimeter during heat pump cycle), cold/warm water-to-water heat exchanger (5B), gas-liquid separator, reservoir, liquid-sighting glass, Filter dryer, magnetic valve, refrigerating fluid three-way solenoid valve (20), the hygrosensor of tube connector and evaporimeter etc., described flow controller is by first throttle valve (41), second choke valve (42), first, three check valve (P1 of the second and the 3rd, P2 and P3) form; It is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor connects the air inlet of triple valve, and one of two gas outlets of triple valve connect the refrigerant inlet of heat supply water condenser, and another connects the high pressure gas import of four-way change-over valve; The refrigerant liquid outlet of condenser connects the import of the 3rd check valve (P3), the outlet of the 3rd check valve connects the import of reservoir, after the refrigerant liquid outlet of reservoir connects liquid-sighting glass, take over control white heat exchanger tube, the outlet of frost prevention heat exchanger tube is connected in series Filter dryer successively, behind the magnetic valve, receive the import of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve divide two-way, one the tunnel is connected to the liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger through first throttle valve (41), the liquid stream interface of another road second choke valve (42) is connected to cold/warm water-to-water heat exchanger (5B); The liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger also is connected with the import of first check valve (P1), and the outlet of first check valve is connected with the import of Filter dryer; The liquid stream interface of cold/warm water-to-water heat exchanger also is connected with the import of second check valve (P2), and the outlet of second check valve is connected with the import of reservoir; The common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, the outlet of gas-liquid separator is connected with the air inlet of compressor, and two other interface of four-way change-over valve (2b, 2d) is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger and the air-flow interface of cold/warm water-to-water heat exchanger respectively; The air inlet and the exhaust outlet of the auxilliary valve (20f) of refrigerating fluid three-way solenoid valve (20) are connected on compressor exhaust pipe and the air inlet pipe through tubule respectively; In addition, divide a defrosting bypass on the refrigerant inlet tube connector of triple valve and condenser, dress defrosting magnetic valve (B1) is connected on the inlet ductwork of frost prevention heat exchanger tube.
8. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit, comprise compressor, four-way change-over valve, triple valve, the heat supply water condenser, flow controller, outdoor air cooling heat exchanger (being evaporimeter during heat pump cycle), indoor air cooling heat exchanger (5B), gas-liquid separator, reservoir, the hygrosensor of tube connector and evaporimeter etc., it is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger (5) is used for " frost prevention heat exchanger tube " (52) that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube (51) of usefulness with original cold-producing medium of evaporimeter; Described flow controller is made up of first throttle capillary (41), second throttle capillary tube (42), first, second and three check valves (P1, P2 and P3) of the 3rd; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor connects the air inlet of triple valve, and one of two gas outlets of triple valve (Db) connect the refrigerant inlet of heat supply water condenser, and another connects the high pressure gas import of four-way change-over valve; The refrigerant liquid outlet of condenser connects the import of the 3rd check valve (P3), the outlet of the 3rd check valve connects the import of reservoir, the refrigerant liquid outlet of reservoir connects the import of refrigerating fluid three-way solenoid valve, two outlets of refrigerating fluid triple valve divide two-way, one the tunnel takes over control white heat exchanger tube, the outlet of frost prevention heat exchanger tube connects first throttle capillary (41), first throttle outlet capillaceous is connected altogether with the liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger and the import of first check valve (P1), and another road second throttle capillary tube (42) is connected to the liquid stream interface of indoor air cooling heat exchanger (5B); The liquid stream interface of indoor air cooling heat exchanger also is connected with the import of second check valve (P2), the import that reservoir is received in the outlet of the outlet of first check valve and second check valve jointly; The common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, the outlet of gas-liquid separator is connected with the air inlet of compressor, and two other interface of four-way change-over valve (2b, 2d) is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger and the air-flow interface of indoor air cooling heat exchanger respectively; The air inlet of the auxilliary valve of refrigerating fluid three-way solenoid valve and exhaust outlet are connected on compressor exhaust pipe and the air inlet pipe through tubule respectively.
9. increase the wind source heat pump that the frost prevention heat exchanger tube is arranged, be reduced form-two thermals source-minimizing frosting-cold/heating air conditioner hot water three-purpose unit, comprise compressor, four-way change-over valve, triple valve, the heat supply condenser, flow controller, outdoor air cooling heat exchanger (being evaporimeter during heat pump cycle), indoor air cooling heat exchanger, gas-liquid separator, reservoir, the hygrosensor of tube connector and evaporimeter etc., it is characterized in that increasing by a row in the windward side of outdoor air cooling heat exchanger is used for " the frost prevention heat exchanger tube " that cold-producing medium is crossed the auxiliary heating of cold-peace evaporimeter, the frost prevention heat exchanger tube evaporates the shared identical fin of heat exchanger tube of usefulness with original cold-producing medium of evaporimeter; Described flow controller is made up of first throttle capillary (41), second throttle capillary tube (42), four check valves (P1, P2, P3 and P4) of the first, second, third and the 4th; The refrigerant circulation loop connected mode of source pump is: the gas outlet of compressor connects the air inlet of triple valve, and one of two gas outlets of triple valve (Db) connect the refrigerant inlet of heat supply water condenser, and another connects the high pressure gas import of four-way change-over valve; The refrigerant liquid outlet of condenser connects the import of the 3rd check valve (P3), the outlet of the outlet of the 3rd check valve and the 4th check valve (P4) is connected altogether with the import of reservoir, the refrigerant liquid outlet of reservoir is connected with the import of frost prevention heat exchanger tube, the outlet of frost prevention heat exchanger tube is connected altogether with the outlet of first throttle capillary (41) one ends and first check valve (P1), first throttle outlet capillaceous is connected altogether with an end of second throttle capillary tube (42) and the import of second check valve (P2), the import of the outlet of second check valve and the 4th check valve (P4) is connected altogether with the liquid stream interface of indoor air cooling heat exchanger, and the import of the other end of second throttle capillary tube (42) and first check valve (P1) is connected altogether with the liquid stream interface of the evaporation tube of outdoor air cooling heat exchanger; The common low pressure gas interface of four-way change-over valve is connected with the import of gas-liquid separator, the outlet of gas-liquid separator is connected with the air inlet of compressor, and two other interface of four-way change-over valve (2b, 2d) is connected with the refrigerant gas stream interface of outdoor air cooling heat exchanger and the air-flow interface of indoor air cooling heat exchanger respectively; The blast pipe (L3) of the auxilliary valve of triple valve (D) is connected on the air intake duct of compressor.
CNA200610097946XA 2006-11-17 2006-11-17 Wind source heat pump installed with defrosting heat exchanging tube Pending CN101187515A (en)

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CN101806519A (en) * 2010-04-19 2010-08-18 广东吉荣空调有限公司 Wide-temperature high-efficiency air source heat pump unit with anti-frosting function and operating method thereof
CN101929761A (en) * 2010-09-09 2010-12-29 李洲 Integrated heat exchange system
CN102155791A (en) * 2011-05-17 2011-08-17 康颖 Heat recovery and cold utilization heat pump energy-saving water heater
CN102486344A (en) * 2010-12-02 2012-06-06 陈则韶 Compact cooling/heating air-conditioning and hot water supply three-purpose machine capable of building natural circulating flow for heat exchange
CN102519185A (en) * 2011-12-04 2012-06-27 苏州方暨圆节能科技有限公司 Rapid defrosting device of air conditioner
CN102528006A (en) * 2010-12-29 2012-07-04 机械科学研究总院先进制造技术研究中心 Closed type high-temperature metal part afterheat recovery plant
CN103673138A (en) * 2013-12-27 2014-03-26 Tcl空调器(中山)有限公司 Air conditioner and control method thereof
CN105157291A (en) * 2015-09-22 2015-12-16 广东志高暖通设备股份有限公司 Air conditioning defrosting method, outdoor heat exchanger and air conditioning system
EP2664868A3 (en) * 2012-05-15 2016-08-03 Stiebel Eltron GmbH & Co. KG Heat pump apparatus and evaporator for a heat pump device
CN106225283A (en) * 2016-07-18 2016-12-14 青岛海尔股份有限公司 Refrigeration system and there is its refrigerator
CN106595137A (en) * 2016-12-19 2017-04-26 珠海格力电器股份有限公司 Evaporator heat exchange assembly and air-conditioning unit
CN106802009A (en) * 2017-03-10 2017-06-06 北京市住房和城乡建设科学技术研究所(北京市房屋安全鉴定总站) A kind of NEW TYPE OF COMPOSITE evaporator and the double heat-source composite heat pump systems of air water
CN107741102A (en) * 2017-10-13 2018-02-27 北京工业大学 A kind of heat pump apparatus of air source with the annual operation of heat-pipe radiator
CN108151367A (en) * 2017-12-25 2018-06-12 北京中矿博能节能科技有限公司 Direct-cooling type depth enthalpy takes hot idle air heat pump system defrosting group control method
CN108759210A (en) * 2018-06-21 2018-11-06 西安交通大学 It is a kind of that defrosting system is removed based on air source heat pump
CN113108497A (en) * 2020-03-09 2021-07-13 珠海格力节能环保制冷技术研究中心有限公司 Heat pump air conditioning system and control method thereof
CN113108497B (en) * 2020-03-09 2022-05-10 珠海格力节能环保制冷技术研究中心有限公司 Heat pump air conditioning system and control method thereof

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CN101806519B (en) * 2010-04-19 2012-07-11 广东吉荣空调有限公司 Wide-temperature high-efficiency air source heat pump unit with anti-frosting function and operating method thereof
CN101806519A (en) * 2010-04-19 2010-08-18 广东吉荣空调有限公司 Wide-temperature high-efficiency air source heat pump unit with anti-frosting function and operating method thereof
CN101929761A (en) * 2010-09-09 2010-12-29 李洲 Integrated heat exchange system
CN102486344A (en) * 2010-12-02 2012-06-06 陈则韶 Compact cooling/heating air-conditioning and hot water supply three-purpose machine capable of building natural circulating flow for heat exchange
CN102486344B (en) * 2010-12-02 2013-09-25 陈则韶 Compact cooling/heating air-conditioning and hot water supply three-purpose machine capable of building natural circulating flow for heat exchange
CN102528006A (en) * 2010-12-29 2012-07-04 机械科学研究总院先进制造技术研究中心 Closed type high-temperature metal part afterheat recovery plant
CN102528006B (en) * 2010-12-29 2016-08-31 机械科学研究总院先进制造技术研究中心 A kind of closed type high-temperature metal part afterheat recovery plant
CN102155791B (en) * 2011-05-17 2013-05-29 康颖 Heat recovery and cold utilization heat pump energy-saving water heater
CN102155791A (en) * 2011-05-17 2011-08-17 康颖 Heat recovery and cold utilization heat pump energy-saving water heater
CN102519185A (en) * 2011-12-04 2012-06-27 苏州方暨圆节能科技有限公司 Rapid defrosting device of air conditioner
EP2664868A3 (en) * 2012-05-15 2016-08-03 Stiebel Eltron GmbH & Co. KG Heat pump apparatus and evaporator for a heat pump device
CN103673138B (en) * 2013-12-27 2016-09-21 Tcl空调器(中山)有限公司 Air-conditioner and control method thereof
CN103673138A (en) * 2013-12-27 2014-03-26 Tcl空调器(中山)有限公司 Air conditioner and control method thereof
CN105157291A (en) * 2015-09-22 2015-12-16 广东志高暖通设备股份有限公司 Air conditioning defrosting method, outdoor heat exchanger and air conditioning system
CN106225283B (en) * 2016-07-18 2018-10-12 青岛海尔股份有限公司 Refrigeration system and refrigerator with it
CN106225283A (en) * 2016-07-18 2016-12-14 青岛海尔股份有限公司 Refrigeration system and there is its refrigerator
CN106595137A (en) * 2016-12-19 2017-04-26 珠海格力电器股份有限公司 Evaporator heat exchange assembly and air-conditioning unit
CN106802009A (en) * 2017-03-10 2017-06-06 北京市住房和城乡建设科学技术研究所(北京市房屋安全鉴定总站) A kind of NEW TYPE OF COMPOSITE evaporator and the double heat-source composite heat pump systems of air water
CN107741102A (en) * 2017-10-13 2018-02-27 北京工业大学 A kind of heat pump apparatus of air source with the annual operation of heat-pipe radiator
CN108151367A (en) * 2017-12-25 2018-06-12 北京中矿博能节能科技有限公司 Direct-cooling type depth enthalpy takes hot idle air heat pump system defrosting group control method
CN108151367B (en) * 2017-12-25 2020-12-11 北京中矿博能节能科技有限公司 Defrosting group control method for direct-cooling deep enthalpy heat-extraction ventilation air heat pump system
CN108759210A (en) * 2018-06-21 2018-11-06 西安交通大学 It is a kind of that defrosting system is removed based on air source heat pump
CN113108497A (en) * 2020-03-09 2021-07-13 珠海格力节能环保制冷技术研究中心有限公司 Heat pump air conditioning system and control method thereof
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