CN201387177Y

CN201387177Y - Air source heat-enhancing enthalpy-increasing heat pump system and overlapping reverse convection finned type air heat exchanger

Info

Publication number: CN201387177Y
Application number: CN200920107722U
Authority: CN
Inventors: 卞海鹰; 胡君
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-27
Filing date: 2009-04-27
Publication date: 2010-01-20
Anticipated expiration: 2019-04-27

Abstract

The utility model discloses an air source heat-enhancing enthalpy-increasing heat pump system and an overlapping reverse convection finned type air heat exchanger. By the designs of a dynamic defrosting device, the overlapping reverse convection finned type air heat exchanger and an exhaust temperature control valve, as well as the use of medium-high temperature refrigerant, besides the functions of refrigeration and water heating, the air source heat-enhancing enthalpy-increasing heat pump system also can provide heating function under the ultra-low temperature environment of -25 DEG C, and has high heating efficiency and stable and reliable operation, is energy-saving and environment-friendly and is applicable to both the south and the north. The overlapping reverse convection finned type air heat exchanger has the function of exchanging heat; and due to a designed defrosting pipe layer, the overlapping reverse convection finned type air heat exchanger also can realize the defrosting to a displacing pipe layer and a hydrophilic aluminium foil fin in winter by being matched with a dynamic defrosting device.

Description

Air source strength hot enthalpy increasing heat pump system and the finned air heat exchanger of the reverse convection current of overlapping

Technical field

The utility model relates to a kind of air source heat pump system and air heat exchanger, specifically, relates to the finned air heat exchanger of the reverse convection current of overlapping of a kind of air source strength hot enthalpy increasing heat pump system and use thereof.

Background technology

Traditional air source heat pump technology can realize the function that low-temperature heat energy is carried to high potential temperature with lower energy consumption, it has utilized the heat in natural resources and the residual heat resources in a large number, effectively having reduced input can, can satisfy the demand of refrigeration in summer, heat supply in winter and hot water well, have easy to install, advantages such as energy utilization efficiency is high, energy-saving and environmental protection, worldwide obtained at present using widely.

Yet, when traditional air source heat pump technology is applied to the winter heating of north cold area, reduction along with outdoor environment temperature, the inspiratory volume of the cold-producing medium that uses in traditional air source heat pump technology can increase, thereby make the inspiratory capacity of source pump descend rapidly along with the reduction of outdoor temperature, like this, the heating capacity of source pump also will correspondingly descend in proportion.And along with the reduction of outdoor environment temperature, pressure of inspiration(Pi) can reduce, the compression ratio of compressor can increase, the pressure ratio substantial deviation optimal value of source pump, the normal compression process of actual compression process substantial deviation can cause the delivery temperature of source pump sharply to rise.And compression ratio increases the decline of gas transmission coefficient, displacement and the efficient that also can cause compressor, and the too high meeting of compressor exhaust temperature simultaneously sharply descends oil body, has a strong impact on the lubricated of compressor.Therefore, the excessive source pump that makes of compression ratio can't normally be moved when the north is the coldest, and the too high meeting of compressor exhaust temperature causes the source pump frequent start-stop, can't operate as normal, as seen, traditional air source heat pump technology is crossed the defective that can produce reduction of source pump heat and frosting when hanging down at outdoor environment temperature, can't be used more widely at north cold area.

The utility model content

The purpose of this utility model is to provide the finned air heat exchanger of the reverse convection current of overlapping of a kind of air source strength hot enthalpy increasing heat pump system and use thereof, this system is suitable for extremely frigid zones and uses, but broken through the conventional air source heat pump technology can only be under the subzero environment more than 10 ℃ the technical bottleneck of stable operation, and the finned air heat exchanger of the reverse convection current of overlapping is to make this system be suitable for one of principal element that extremely frigid zones uses.

To achieve these goals, the utility model has adopted following technical scheme:

The hot enthalpy increasing heat pump of a kind of air source strength system, it is characterized in that: it comprises at least one low temperature vortex liquid injection compressor, one gs-oil separator, one first heat exchanger, the finned air heat exchanger of the reverse convection current of at least one overlapping, one exchange type reservoir, one gas-liquid separator, one circulating pump, one dynamic defroster and one second check valve, wherein: the jet of each this low temperature vortex liquid injection compressor and the feedback end of a delivery temperature control valve join, the temp probe of this delivery temperature control valve is arranged on the inside of this low temperature vortex liquid injection compressor, this temp probe is used to detect delivery temperature, makes injection apparatus outwards spray the operate as normal that hot gas guarantees this low temperature vortex liquid injection compressor so that when excessive discharge temperature injection signal is fed back to the injection apparatus of low temperature vortex liquid injection compressor inside; The delivery outlet of each this low temperature vortex liquid injection compressor and the air inlet of this gs-oil separator join, the air inlet of the gas outlet of this gs-oil separator and a four-way change-over valve joins, the input port of the oil return opening of this gs-oil separator and each this low temperature vortex liquid injection compressor joins, first interface of first interface of this four-way change-over valve and the refrigerant side of this first heat exchanger joins, second interface of the refrigerant side of this first heat exchanger is successively via one first filter, one first heating power expansion valve, first interface of one first check valve and the finned air heat exchanger of the reverse convection current of each this overlapping joins, second interface of the finned air heat exchanger of the reverse convection current of each this overlapping and the 3rd interface of this four-way change-over valve join, the liquid delivery outlet of the finned air heat exchanger of the reverse convection current of each this overlapping is all successively via this circulating pump, dynamic defroster, second check valve and the liquid input port of self join, first group of input port of second interface of this four-way change-over valve and this exchange type reservoir joins, and first group of delivery outlet of this exchange type reservoir joins via the input port of this gas-liquid separator and each this low temperature vortex liquid injection compressor; The delivery port of the water circulation side of this first heat exchanger, water inlet join with heat terminal input, output respectively; The air inlet of this four-way change-over valve joins with a high-pressure manometer, a high pressure relief valve, a dual pressure controller respectively via a wooden fork shape four-way bypass pipe; First group of delivery outlet of this exchange type reservoir joins with a low pressure gauge, a low pressure relief valve, a low pressure controller respectively via a wooden fork shape four-way bypass pipe; The finned air heat exchanger of the reverse convection current of this overlapping comprises the hydrophilic aluminium foil fin, displacement pipe layer, this displacement pipe layer be provided with this first, second interface, this displacement pipe layer one side is provided with at least one defrosting pipe layer, this defrosting pipe layer is made of the defrosting pipeline, this defrosting pipeline is provided with the liquid delivery outlet, the liquid input port, the flow direction contrary of low temperature refrigerant in the pipeline of the flow direction of high temperature liquid and this displacement pipe layer in the defrosting pipeline of this defrosting pipe layer is so that the high temperature liquid that this defrosting pipe layer flows by portion within it comes opposed replace tubes layer and the hydrophilic aluminium foil fin defrosts and the low temperature refrigerant heat transfer in displacement pipe layer.

Described dynamic defroster comprises heating apparatus, temperature-sensitive control device, this temperature-sensitive control device is provided with a plurality of temp probes, this temp probe is arranged on the displacement pipe layer place of the finned air heat exchanger of the reverse convection current of described overlapping, be used to detect the temperature of displacement pipe, described dynamic defroster is used for the high temperature liquid is transported to described defrosting pipe layer, and displacement pipe layer and hydrophilic aluminium foil fin play the effect of defrosting so that the high-temperature stream of defrosting pipe intrastratal flow is verified.Described liquid is any in oil, water or the refrigerant.

Described first heat exchanger is plate type heat exchanger or double pipe heat exchanger.

What described low temperature vortex liquid injection compressor used is high temperature refrigerant among the R404A.

First interface of the finned air heat exchanger of the reverse convection current of described overlapping and second group of input port of described exchange type reservoir join, and second group of delivery outlet of described exchange type reservoir joins via second interface of the refrigerant side of one the 3rd check valve, one second filter, one second heating power expansion valve and described first heat exchanger successively; The delivery port of the water circulation side of described first heat exchanger, water inlet join with freeze terminal input, output respectively.

The hot enthalpy increasing heat pump of described air source strength system also comprises second heat exchanger, first interface of the refrigerant side of this second heat exchanger and the gas outlet of described gs-oil separator join, second interface of the refrigerant side of this second heat exchanger and the air inlet of described four-way change-over valve join, and the delivery port of the water circulation side of this second heat exchanger, water inlet join with input, the output of hot water end respectively.

The finned air heat exchanger of the reverse convection current of a kind of overlapping, it comprises the hydrophilic aluminium foil fin, this hydrophilic aluminium foil fin runs through to be provided with replaces the pipe layer, this displacement pipe layer is provided with first, second interface, it is characterized in that: this displacement pipe layer one side is provided with at least one defrosting pipe layer, this defrosting pipe layer is made of the defrosting pipeline, this defrosting pipeline is provided with the liquid delivery outlet, the liquid input port, the flow direction contrary of low temperature refrigerant in the pipeline of the flow direction of high temperature liquid and this displacement pipe layer in the defrosting pipeline of this defrosting pipe layer is so that the high temperature liquid that this defrosting pipe layer flows by portion within it comes opposed replace tubes layer and the hydrophilic aluminium foil fin defrosts and the low temperature refrigerant heat transfer in displacement pipe layer.

The utlity model has following advantage:

1, the hot enthalpy increasing heat pump of the utility model air source strength system can provide hot water, refrigeration, heating, refrigeration+hot water, five kinds of functions of heating+hot water at winter and summer.Because the utility model design has dynamic defroster, the finned air heat exchanger of the reverse convection current of overlapping, delivery temperature control valve, and what cold-producing medium used is middle high temperature refrigerant, therefore, even in subzero 25 ℃ ultra-low temperature surroundings, the hot enthalpy increasing heat pump of the utility model air source strength system still can stablize, the heating function is provided reliably, and the heating energy efficiency ratio height.Under subzero 25 ℃ environment, the Energy Efficiency Ratio of the utility model system can reach more than 3.0, but the hot water of output more than 60 ℃.And the hot enthalpy increasing heat pump of the utility model air source strength system is the energy to absorb heat energy in air, has effectively utilized the natural air energy, energy-conserving and environment-protective.

2, the dynamic defroster in the hot enthalpy increasing heat pump of the utility model air source strength system can play the defrosting effect well, defrosting rapidly, thoroughly, this defrost process is to not influence of heating effect, part heat in the defrost process also can offer the heating end in addition, the realization that helps heating has improved the heating effect of system.

3, the hot enthalpy increasing heat pump of the utility model air source strength system can select dissimilar heat exchangers for use according to the water quality of different regions.Plate type heat exchanger can be adopted in soft water matter area, and double pipe heat exchanger can be adopted in hard water matter area, for the user has reduced a lot of troubles.

4, the finned air heat exchanger of the reverse convection current of the utility model overlapping not only has heat exchange function, also has the winter frost removing function, has guaranteed stability and high efficiency that the hot enthalpy increasing heat pump of air source strength system moves in the winter time.The fin form and the spacing of the finned air heat exchanger of the reverse convection current of the utility model overlapping are reasonable, be difficult for stopping up, the hydrophilic aluminium foil fin can reduce its metallicity, and fin surface is smooth, be difficult for frosting, and when defrosting the frozen water that melts can very promptly flow in the water-collecting tray and drain.

In a word, the hot enthalpy increasing heat pump of the utility model air source strength system is not only applicable to the cooling and warming of southern area, also be applicable to cold northern area, heating effect under ultra-low temperature surroundings is good, under subzero 25 ℃ ultra-low temperature surroundings, still can reliable and stablely move, the heating energy efficiency ratio height, energy-saving and environmental protection.

Description of drawings

Fig. 1 is the embodiment schematic diagram of the hot enthalpy increasing heat pump of the utility model air source strength system;

Fig. 2 is the user mode schematic diagram of the hot enthalpy increasing heat pump of the utility model air source strength system.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further.

As shown in Figure 1 and Figure 2, the hot enthalpy increasing heat pump of the utility model air source strength system comprises at least one low temperature vortex liquid injection compressor 10 (a low temperature vortex liquid injection compressor 10 only is shown among the figure), a gs-oil separator 30, one first heat exchanger 60, the finned air heat exchanger 100 of the reverse convection current of at least one overlapping (the finned air heat exchanger 100 of the reverse convection current of an overlapping only is shown among the figure), an exchange type reservoir 110, a gas-liquid separator 120, a circulating pump 210, one dynamic defroster 220 and one second check valve 230.As figure, the jet 13 of each this low temperature vortex liquid injection compressor 10 and the feedback end of a delivery temperature control valve 20 join, the temp probe of this delivery temperature control valve 20 is arranged on the inside of this low temperature vortex liquid injection compressor 10, this temp probe is used to detect delivery temperature, when the temperature in winter reaches subzero 10-25 ℃, the delivery temperature of low temperature vortex liquid injection compressor 10 can raise, at this moment, temp probe detects the high temperature caution signal, injection signal is fed back to the injection apparatus of low temperature vortex liquid injection compressor inside by jet 13, thereby make injection apparatus outwards spray hot gas, increase the capacity of compressor, make delivery temperature recover normal, guarantee this low temperature vortex liquid injection compressor 10 operate as normal.Because the internal structure of low temperature vortex liquid injection compressor 10 design, jet 13 joins with the middle pressure chamber of the scroll plate of compressor 10 inside, and should middlely press chamber and suction muffler to isolate, so when hydrojet, this structural design of low temperature vortex liquid injection compressor 10 can be so that cold lose.The delivery outlet 11 of each this low temperature vortex liquid injection compressor 10 joins with the air inlet 31 of this gs-oil separator 30, the gas outlet 32 of this gs-oil separator 30 and the air inlet 51 of a four-way change-over valve 50 join, and the oil return opening 33 of this gs-oil separator 30 joins with the input port 12 of each this low temperature vortex liquid injection compressor 10.First interface 52 of this four-way change-over valve 50 joins with first interface 61 of the refrigerant side of this first heat exchanger 60, second interface 62 of the refrigerant side of this first heat exchanger 60 is successively via one first filter 70, one first heating power expansion valve 80 (electric expansion valve), one first check valve 90 (can at the magnetic diaphragm type one-way valve of the low slip of operate as normal under the ultra-low temperature surroundings) joins with first interface 101 of the finned air heat exchanger 100 of the reverse convection current of each this overlapping, second interface 102 of the finned air heat exchanger 100 of the reverse convection current of each this overlapping joins with the 3rd interface 54 of this four-way change-over valve 50, and the liquid delivery outlet 104 of the finned air heat exchanger 100 of the reverse convection current of each this overlapping is all successively via this circulating pump 210, dynamic defroster 220, second check valve 230 joins with the liquid input port 103 of self.In the reality, the finned air heat exchanger 100 of the reverse convection current of a plurality of overlappings can also be connected in series except can being connected in parallel by said structure.Second interface 53 of this four-way change-over valve 50 joins with first group of input port 111 of this exchange type reservoir 110, and first group of delivery outlet 112 of this exchange type reservoir 110 joins via the input port 12 of this gas-liquid separator 120 with each this low temperature vortex liquid injection compressor 10.The delivery port 64 of the water circulation side of this first heat exchanger 60, water inlet 63 join by input, the output of terminal C, D and heating end 400 respectively.The air inlet 51 of this four-way change-over valve 50 joins with a high-pressure manometer 310, a high pressure relief valve 320, a dual pressure controller 330 respectively via a wooden fork shape four-way bypass pipe, and first group of delivery outlet 112 of this exchange type reservoir 110 joins with a low pressure gauge 340, a low pressure relief valve 350, a low pressure controller 360 respectively via a wooden fork shape four-way bypass pipe.

As figure, the finned air heat exchanger 100 of the reverse convection current of this overlapping comprises the hydrophilic aluminium foil fin, this hydrophilic aluminium foil fin runs through to be provided with replaces the pipe layer, this displacement pipe layer is provided with this first, second interface 101,102 (promptly the pipeline between first interface and second interface has constituted the displacement pipe), this displacement pipe layer one side is provided with at least one defrosting pipe layer (defrosting pipe layer also run through be located on the hydrophilic aluminium foil fin), this defrosting pipe layer is made of the defrosting pipeline, and this defrosting pipeline is provided with liquid delivery outlet 104, liquid input port 103.During actual design, the spacing between defrosting pipeline and displacement pipe and the shape of defrosting pipeline (for example, the shape of defrosting pipeline can be the crooked shape shown in the figure) should rationally be provided with, so that the defrosting pipe layer plays the purpose of winter frost removing and heat transfer.When utilizing the utility model to carry out heat supply in winter, the flow direction contrary of low temperature refrigerant (being cold-producing medium) in the pipeline of the flow direction of high temperature liquid and this displacement pipe layer in the defrosting pipeline of this defrosting pipe layer is so that the high temperature liquid that this defrosting pipe layer flows by portion within it comes opposed replace tubes layer and the hydrophilic aluminium foil fin defrosts and the low temperature refrigerant heat transfer in displacement pipe layer.

During actual design, dynamically defroster 220 can comprise heating apparatus, temperature-sensitive control device, this temperature-sensitive control device is provided with a plurality of temp probes, this temp probe is arranged on the displacement pipe layer place of the finned air heat exchanger 100 of the reverse convection current of overlapping, be used to detect the temperature of displacement pipe, this dynamic defroster 220 is used for the high temperature liquid is transported to the defrosting pipe layer.When using the utility model to implement heat supply in winter, the effect that the high-temperature stream confrontation displacement pipe layer of defrosting pipe intrastratal flow and hydrophilic aluminium foil fin play defrosting.The liquid of these dynamic defroster 220 outputs can be any in oil, water or the refrigerant of high temperature.

For the utility model can reliablely and stablely be moved in subzero 25 ℃ ultra-low temperature surroundings, what this low temperature vortex liquid injection compressor 10 used is middle high temperature refrigerant, R404A for example, high temperature refrigerant still can be drawn cold heat energy in air in this under ultra-low temperature surroundings.Should not contain CFC, the HCFC that damages the ozone layer fully by middle high temperature refrigerant, and only periodic duty in the pipeline that internal system is independently sealed of high temperature refrigerant in being somebody's turn to do, the destruction atmospheric ozone layer that can not leak, very environmental protection.

Said structure constitutes the utlity model has the function that high-temperature water is provided to heating end 400 under ultra-low temperature surroundings (0 ℃ to subzero 25 ℃), the defective that it has overcome the excessive discharge temperature, frosting etc. of conventional air source heat pump system makes the people of the extremely frigid zones heating equipment of also can feeling at ease to use reliably in the winter of cold.

As Fig. 1, by increasing as lower device, the utility model can also provide refrigerating function: first interface 101 of the finned air heat exchanger 100 of the reverse convection current of overlapping joins with second group of input port 113 of exchange type reservoir 110, second group of delivery outlet 114 of exchange type reservoir 110 is successively via one the 3rd check valve 130 (can at the magnetic diaphragm type one-way valve of the low slip of operate as normal under the ultra-low temperature surroundings), one second filter 140, one second heating power expansion valve 150 (electric expansion valve) joins with second interface 62 of the refrigerant side of first heat exchanger 60, at this moment, the delivery port 64 of the water circulation side of first heat exchanger 60, water inlet 63 respectively with the input of refrigeration terminal 500, output joins, to provide cold water, reach refrigerating function to refrigeration terminal 500.

Fig. 1 and for example, the hot enthalpy increasing heat pump of the utility model air source strength system also can comprise second heat exchanger 40, so that the utlity model has the function that hot water is provided, be specially: first interface 41 of the refrigerant side of this second heat exchanger 40 joins with the gas outlet 32 of gs-oil separator 30, second interface 42 of the refrigerant side of this second heat exchanger 40 joins with the air inlet 51 of four-way change-over valve 50, the delivery port 43 of the water circulation side of this second heat exchanger 40, water inlet 44 is respectively by terminal A, the input of B and hot water end 600, output joins, to provide hot water to hot water end 600.

What traditional air source heat pump system used is plate type heat exchanger, and plate type heat exchanger is very high to requirements in water quality, and when heating, fouling easily easily causes the damage of heat exchange efficiency decline and source pump.In the reality, in some areas, the Ca in the water ²⁺, Mg ²⁺Content very high, water quality is harder, therefore, the utility model can be selected corresponding heat exchanger types for use according to the water quality of different regions.For example, in soft water matter area, first heat exchanger 60, second heat exchanger 40 can adopt plate type heat exchanger, and in hard water matter area, first heat exchanger 60, second heat exchanger 40 can adopt double pipe heat exchanger.

The pipeline that uses in the utility model is No. two electrolysis copper tubes, and this copper tube all adopts silver content to be not less than 5% money base copper arc welding electrode to come and the related device welded seal.

As shown in Figure 2, the utility model can be arranged in the main case, construction system main frame 1000, during use, this system host 1000 is placed in outdoor, and this main case is provided with A, B, four terminals of C, D, and this A, B terminal link to each other with hot water terminal 600, this C, D terminal both can link to each other with terminal 500 (as the air conditioner refrigerating ends) of refrigeration, also can link to each other with terminal 400 (as the floor heat radiation ends) of heating.

With the embodiment shown in Fig. 1 operation principle of the present utility model is described below:

As Fig. 1, the utility model not only can provide the function of hot water, refrigeration, heating, and the function of refrigeration+hot water, heating+hot water also can be provided, and is that example describes with refrigeration+hot water, two functions of heating+hot water below.

The operation principle of heating+hot water function: the cold-producing medium that is mixed with oil of HTHP (refers to middle high temperature refrigerant here, be gaseous state) enter gs-oil separator 30 from the delivery outlet 11 of low temperature vortex liquid injection compressor 10 via air inlet 31 and carry out Oil-gas Separation, the unnecessary compressor lubricant oil that is separated from gaseous refrigerant is sent from oil return opening 33, then be inhaled in the low temperature vortex liquid injection compressor 10 via input port 12, and the purer gaseous refrigerant that is separated is sent into first interface 41 of the refrigerant side of second heat exchanger 40 via gas outlet 32, the purer gaseous refrigerant of this HTHP passes to self a part of condenser heat the water circulation side of second heat exchanger 40, make delivery port 43 with the water circulation side, the hot water end 600 that water inlet 44 connects is (with terminal A, the B connection) water can obtain higher heat, to offer the user as life hot water (or heating hot water).After the high temperature and high pressure gaseous refrigerant that enters from first interface 41 discharges a part of condenser heat, flow out via second interface 42, then, make also have the gaseous refrigerant of certain heat by control four-way change-over valve 50 via air inlet 51, first interface 52 enters first interface 61 of the refrigerant side of first heat exchanger 60, thereby this gaseous refrigerant with certain heat passes to self remaining a part of condenser heat the water circulation side of first heat exchanger 60, make delivery port 64 with the water circulation side, the heating end 400 that water inlet 63 connects is (with terminal C, the D connection) water can obtain certain temperature, to offer the user as the indoor heating water.After the gaseous refrigerant that enters from first interface 61 has discharged another part condenser heat, flow out via second interface 62, enter first interface 101 via first filter 70, first heating power expansion valve 80, first check valve 90 then, gaseous refrigerant through first heating power expansion valve 80 becomes the low-temp low-pressure liquid refrigerant, after this liquid refrigerant enters first interface 101, displacement pipe via the finned air heat exchanger 100 of the reverse convection current of overlapping flows out from second interface 102, in the displacement pipe, this liquid refrigerant absorbs heat from outdoor air.Liquid refrigerant behind the absorption heat enters first group of input port 111 of exchange type reservoir 110 via the 3rd interface 54, second interface 53, in exchange type reservoir 110, liquid refrigerant carries out fluid oil to be separated, then from 112 outputs of first group of delivery outlet, liquid refrigerant separates its gas that contains via gas-liquid separator 120 after flow back to low temperature vortex liquid injection compressor 10 by input port 12 then, finishes once circulation.Because what the utility model used is middle high temperature refrigerant, even if in the winter of severe cold (subzero 25 ℃), this kind cold-producing medium also can absorb cold heat energy in air in a large number.As can be seen, the heat energy that absorbs of preceding once circulation can effectively utilize during heat in circulation next time discharges.

In the winter time, be in outdoorly because inside is provided with system host 1000 of the present utility model, therefore, when temperature drops to when subzero, the displacement pipe just can frosting.When the temperature of displacement pipe reaches the frosting degree, the temp probe that is arranged on the displacement pipe just can pass to temperature signal dynamic defroster 220, thereby ON cycle pump 210, dynamically defroster 220 is exported the high temperature liquids, this high temperature liquid is 103 inflows from the liquid input port, flow out from liquid delivery outlet 104, opposed replace tubes and hydrophilic aluminium foil fin defrost, in addition, because the flow direction of mobile low temperature liquid cold-producing medium is opposite in the flow direction of the high temperature liquid that flows in defrosting pipe and the displacement pipe, therefore, this high temperature liquid also has the effect of transmitting heat to the low temperature liquid cold-producing medium.

In addition, during the utility model is worked in the winter time, when low temperature vortex liquid injection compressor 10 exhaust deficiencies, can't operate as normal the time, the temp probe of delivery temperature control valve 20 just feeds back to alarm signal the injection apparatus of low temperature vortex liquid injection compressor 10 inside via jet, so that low temperature vortex liquid injection compressor 10 sprays, thereby the increase capacity makes compressor 10 recover operate as normal.

The operation principle of refrigeration+hot water function: the cold-producing medium that is mixed with oil of HTHP (refers to middle high temperature refrigerant here, be gaseous state) enter gs-oil separator 30 from the delivery outlet 11 of low temperature vortex liquid injection compressor 10 via air inlet 31 and carry out Oil-gas Separation, the unnecessary compressor lubricant oil that is separated from gaseous refrigerant is sent from oil return opening 33, then be inhaled in the low temperature vortex liquid injection compressor 10 via input port 12, and the purer gaseous refrigerant that is separated is sent into first interface 41 of the refrigerant side of second heat exchanger 40 via gas outlet 32, the purer gaseous refrigerant of this HTHP passes to self a part of condenser heat the water circulation side of second heat exchanger 40, make delivery port 43 with the water circulation side, the hot water end 600 that water inlet 44 connects is (with terminal A, the B connection) water can obtain higher heat, to offer the user as life hot water.After the high temperature and high pressure gaseous refrigerant that enters from first interface 41 discharges a part of condenser heat, flow out via second interface 42, then, make also have the gaseous refrigerant of certain heat by control four-way change-over valve 50 via air inlet 51, the 3rd interface 54 enters second interface 102, (refrigerating function generally used in summer to air thereby in displacement pipe self a part of heat conducted, so the time dynamic defroster 220 do not carry out defrosting work), after the heat conduction, the cryogenic gaseous cold-producing medium is from 101 outputs of first interface, enter exchange type reservoir 110 via second group of input port 113 then, in exchange type reservoir 110, gaseous refrigerant carry out that fluid oil separates and with first group in flowing liquid carry out heat balance, then from 114 outputs of second group of delivery outlet, successively via the 3rd check valve 130, second filter 140, second heating power expansion valve 150 enters second interface 62 of the refrigerant side of first heat exchanger 60, become the liquid refrigerant of cryogenic high pressure through the gaseous refrigerant of second heating power expansion valve 150, after this liquid refrigerant enters second interface 62 of refrigerant side of first heat exchanger 60, cool by the water of evaporation heat absorption the water circulation side of first heat exchanger 60, make delivery port 64 with the water circulation side, the refrigeration end 500 that water inlet 63 connects is (with terminal C, the D connection) water can obtain cooling, to offer the user as indoor refrigeration water.After the liquid refrigerant heat absorption that enters from second interface 62, flow out via first interface 61, enter first group of input port 111 of exchange type reservoir 110 then via first interface 52, second interface 53, in exchange type reservoir 110, liquid refrigerant carries out fluid oil to be separated and heat balance, then from 112 outputs of first group of delivery outlet, liquid refrigerant separates its gas that contains via gas-liquid separator 120 after flow back to low temperature vortex liquid injection compressor 10 by input port 12 then, finishes once circulation.Because refrigerating function mostly uses in summer, so low temperature vortex liquid injection compressor 10 generally need not carry out jet exhaust.

The utlity model has following advantage:

The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; under the situation that does not deviate from spirit and scope of the present utility model; any based on conspicuous changes such as the equivalent transformation on the technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.

Claims

1, the hot enthalpy increasing heat pump of a kind of air source strength system, it is characterized in that: it comprises at least one low temperature vortex liquid injection compressor, a gs-oil separator, one first heat exchanger, the finned air heat exchanger of the reverse convection current of at least one overlapping, an exchange type reservoir, a gas-liquid separator, a circulating pump, a dynamic defroster and one second check valve, wherein:

The jet of each this low temperature vortex liquid injection compressor and the feedback end of a delivery temperature control valve join, the temp probe of this delivery temperature control valve is arranged on the inside of this low temperature vortex liquid injection compressor, this temp probe is used to detect delivery temperature, makes injection apparatus outwards spray the operate as normal that hot gas guarantees this low temperature vortex liquid injection compressor so that when excessive discharge temperature injection signal is fed back to the injection apparatus of low temperature vortex liquid injection compressor inside;

The delivery outlet of each this low temperature vortex liquid injection compressor and the air inlet of this gs-oil separator join, the air inlet of the gas outlet of this gs-oil separator and a four-way change-over valve joins, the input port of the oil return opening of this gs-oil separator and each this low temperature vortex liquid injection compressor joins, first interface of first interface of this four-way change-over valve and the refrigerant side of this first heat exchanger joins, second interface of the refrigerant side of this first heat exchanger is successively via one first filter, one first heating power expansion valve, first interface of one first check valve and the finned air heat exchanger of the reverse convection current of each this overlapping joins, second interface of the finned air heat exchanger of the reverse convection current of each this overlapping and the 3rd interface of this four-way change-over valve join, the liquid delivery outlet of the finned air heat exchanger of the reverse convection current of each this overlapping is all successively via this circulating pump, dynamic defroster, second check valve and the liquid input port of self join, first group of input port of second interface of this four-way change-over valve and this exchange type reservoir joins, and first group of delivery outlet of this exchange type reservoir joins via the input port of this gas-liquid separator and each this low temperature vortex liquid injection compressor; The delivery port of the water circulation side of this first heat exchanger, water inlet join with heat terminal input, output respectively;

The air inlet of this four-way change-over valve joins with a high-pressure manometer, a high pressure relief valve, a dual pressure controller respectively via a power shape four-way bypass pipe; First group of delivery outlet of this exchange type reservoir joins with a low pressure gauge, a low pressure relief valve, a low pressure controller respectively via a power shape four-way bypass pipe;

The finned air heat exchanger of the reverse convection current of this overlapping comprises the hydrophilic aluminium foil fin, displacement pipe layer, this displacement pipe layer be provided with this first, second interface, this displacement pipe layer one side is provided with at least one defrosting pipe layer, this defrosting pipe layer is made of the defrosting pipeline, this defrosting pipeline is provided with the liquid delivery outlet, the liquid input port, the flow direction contrary of low temperature refrigerant in the pipeline of the flow direction of high temperature liquid and this displacement pipe layer in the defrosting pipeline of this defrosting pipe layer is so that the high temperature liquid that this defrosting pipe layer flows by portion within it comes opposed replace tubes layer and the hydrophilic aluminium foil fin defrosts and the low temperature refrigerant heat transfer in displacement pipe layer.

2, the hot enthalpy increasing heat pump of air source strength as claimed in claim 1 system, it is characterized in that: described dynamic defroster comprises heating apparatus, temperature-sensitive control device, this temperature-sensitive control device is provided with a plurality of temp probes, this temp probe is arranged on the displacement pipe layer place of the finned air heat exchanger of the reverse convection current of described overlapping, be used to detect the temperature of displacement pipe, described dynamic defroster is used for the high temperature liquid is transported to described defrosting pipe layer, and displacement pipe layer and hydrophilic aluminium foil fin play the effect of defrosting so that the high-temperature stream of defrosting pipe intrastratal flow is verified.

3, the hot enthalpy increasing heat pump of air source strength as claimed in claim 2 system is characterized in that: described liquid is any in oil, water or the refrigerant.

4, the hot enthalpy increasing heat pump of air source strength as claimed in claim 1 system, it is characterized in that: described first heat exchanger is plate type heat exchanger or double pipe heat exchanger.

5, the hot enthalpy increasing heat pump of air source strength as claimed in claim 1 system is characterized in that: what described low temperature vortex liquid injection compressor used is middle high temperature refrigerant.

6, as the hot enthalpy increasing heat pump of each described air source strength system in the claim 1 to 5, it is characterized in that: first interface of the finned air heat exchanger of the reverse convection current of described overlapping and second group of input port of described exchange type reservoir join, and second group of delivery outlet of described exchange type reservoir joins via second interface of the refrigerant side of one the 3rd check valve, one second filter, one second heating power expansion valve and described first heat exchanger successively; The delivery port of the water circulation side of described first heat exchanger, water inlet join with freeze terminal input, output respectively.

7, as the hot enthalpy increasing heat pump of each described air source strength system in the claim 1 to 5, it is characterized in that: the hot enthalpy increasing heat pump of described air source strength system also comprises second heat exchanger, first interface of the refrigerant side of this second heat exchanger and the gas outlet of described gs-oil separator join, second interface of the refrigerant side of this second heat exchanger and the air inlet of described four-way change-over valve join, and the delivery port of the water circulation side of this second heat exchanger, water inlet join with input, the output of hot water end respectively.

8, the hot enthalpy increasing heat pump of air source strength as claimed in claim 6 system, it is characterized in that: the hot enthalpy increasing heat pump of described air source strength system also comprises second heat exchanger, first interface of the refrigerant side of this second heat exchanger and the gas outlet of described gs-oil separator join, second interface of the refrigerant side of this second heat exchanger and the air inlet of described four-way change-over valve join, and the delivery port of the water circulation side of this second heat exchanger, water inlet join with input, the output of hot water end respectively.

9, the finned air heat exchanger of the reverse convection current of a kind of overlapping, it comprises the hydrophilic aluminium foil fin, this hydrophilic aluminium foil fin runs through to be provided with replaces the pipe layer, this displacement pipe layer is provided with first, second interface, it is characterized in that: this displacement pipe layer one side is provided with at least one defrosting pipe layer, this defrosting pipe layer is made of the defrosting pipeline, this defrosting pipeline is provided with the liquid delivery outlet, the liquid input port, the flow direction contrary of low temperature refrigerant in the pipeline of the flow direction of high temperature liquid and this displacement pipe layer in the defrosting pipeline of this defrosting pipe layer is so that the high temperature liquid that this defrosting pipe layer flows by portion within it comes opposed replace tubes layer and the hydrophilic aluminium foil fin defrosts and the low temperature refrigerant heat transfer in displacement pipe layer.