CN109974326A

CN109974326A - It is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit

Info

Publication number: CN109974326A
Application number: CN201910181100.1A
Authority: CN
Inventors: 李国斌
Original assignee: Individual
Current assignee: Hanrun United High Tech Development Beijing Co ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2019-07-05
Anticipated expiration: 2039-03-11
Also published as: CN109974326B

Abstract

The invention discloses a kind of cold solar energy of evaporation and air heat source combined heat-pump recuperation of heat units, including compressor, the first four-way valve, the second four-way valve, third four-way valve, gas-liquid separator, outside heat exchanging part, functional module, indoor heat exchanger, multifunctional heat exchanger, solar heat exchanger and several solenoid valves, check valve；The present invention adds positive displacement solar heat exchanger in evaporation cold-heat pump, provides Secondary Heat Source for heating and reaches energy saving purpose；By adding hot water storage tank, realize that energy adjustment is always used；Multifunctional heat exchanger is added, realizes the total heat recovery of air-conditioning, meets domestic hot-water supply demand；The circuit design of optimization realizes ten multiple-working modes, realizes refrigeration, heating, hot water three zones；Expansible multifunctional heat exchanger may be incorporated into third cold and heat source Ru Shui, Di Yuan, municipal wastewater, industrial wastewater etc., realize the diversification of water resource heat pump refrigeration, heating, hot water and defrost demand and the energy in addition to heat recovery function may be implemented.

Description

It is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit

Technical field

The present invention relates to air-conditioning equipment fields more particularly to a kind of that heliotechnics and heat recovery technology and evaporation is cold and hot Pump assembly combines, solve under different operating conditions to refrigeration, heating, hot water demand, be greatly improved evaporation cold-heat pump refrigerating efficiency/ The cold solar energy of the evaporation of heating efficiency and comprehensive effectiveness and air heat source combined heat-pump recuperation of heat unit.

Background technique

Currently, air conditioner and heat pump unit mainly has following four: (1) air-cooled heat pump --- it is cold and hot for utilizing ambient outdoor air The air-conditioning in source；(2) water (ground) source heat pump --- it is the air-conditioning of Cooling and Heat Source using underground water, sewage, rivers, lake or soil；(3) Evaporate cold-heat pump --- utilizing water is cold source, and air is the air-conditioning of heat source；(4) solar heat pump --- using solar energy as heat source Air-conditioning.

It evaporates cold and hot pump assembly and improves heat pump refrigerating efficiency, although solving under cooling condition compared with air cooling heat pump refrigerating The low problem of efficiency, but still have the following deficiencies:

1. can not break through under worst cold case at especially -35 DEG C of even lower temperature using air as heat source unit heating capacity Decay serious problem, low efficiency, and energy consumption is high.

2. can not solve under cooling condition due to indoor environment temperature reduction influence comfort level caused by using refrigeration defrost Problem, since the air cooling heat exchanger defrost frequency is high, unit heats time shortening, and the defrost time is long, and defrost needs consumption additional Electric energy.

3. frost caused by air cooling heat exchanger evaporates can not be solved, reduction room temperature influence using effect, and due to Defrost compressor extra work sacrifices unit efficiency.

4. condensation hot driving causes energy waste and ambient heat " pollution " under evaporation cold group cooling condition, increase city " heat island " phenomenon.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of cold solar energy of evaporation and the recuperations of heat of air heat source combined heat-pump Unit take Secondary Heat Source as heat pump heat supply energy of solar energy, and efficiently heating is realized under the premise of being not necessarily to defrost；With solar energy plus Thermal regenerator mode defrost, reducing refrigeration defrost to greatest extent leads to fluctuations in indoor temperature；Realize that condensing units reach the energy two Secondary utilization, effectively reduces energy waste；The third heating heat source is provided, unit is greatly expanded and uses function.

In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of to evaporate cold solar energy and air heat source Combined heat-pump recuperation of heat unit, comprising:

Compressor, the compressor are air injection enthalpy-increasing compressor, have outflow port, refluxing opening and EVI jet port；

First four-way valve, the first four-way valve have tetra- interfaces of a, b, c, d, the outflow port of d interface connect compressor；

Second four-way valve, the second four-way valve have tetra- interfaces of e, f, g, h, the c interface and the second four-way of the first four-way valve The e interface of valve connects；

Third four-way valve, third four-way valve have tetra- interfaces of i, j, k, l, the h interface and third four-way of the second four-way valve The l interface of valve connects；The g interface of second four-way valve connects with the b interface of the j interface of third four-way valve and the first four-way valve respectively It connects；

Gas-liquid separator, the b interface of the first four-way valve, the g interface of the second four-way valve, the j interface of third four-way valve are in parallel And it is connected respectively by the refluxing opening of gas-liquid separator and compressor；

Outside heat exchanging part, outside heat exchanging part have R, S interface, and the R interface of outside heat exchanging part connects third four-way The k interface of valve；

Functional module, functional module have U, V, P, Q interface, the S interface of outside heat exchanging part by the first solenoid valve and The u interface of first check valve linkage function module and the V interface for passing through the first solenoid valve and third check valve linkage function module； The S interface of outside heat exchanging part passes through the 4th check valve and function by the first solenoid valve, the 8th solenoid valve and the 9th solenoid valve again The V interface connection of energy module；The EVI jet port of the Q interface connect compressor of functional module；The P interface of functional module passes through the The EVI jet port of seven solenoid valves and heating power expansion valve connect compressor；

Indoor heat exchanger, indoor heat exchanger have M, N interface, the u interface of functional module by second one-way valve and Second solenoid valve connects the N interface of indoor heat exchanger, and the V interface of functional module is connected by the 4th check valve and second solenoid valve Connect the N interface of indoor heat exchanger；The M interface of indoor heat exchanger is connect with the f interface of the second four-way valve；

Multifunctional heat exchanger, multifunctional heat exchanger have O, T interface and water inlet, water outlet, and the T of multifunctional heat exchanger connects After mouth is connect by the 5th check valve or the 6th check valve with the 4th solenoid valve, then pass through the U of second one-way valve and functional module Interface connection, or connected again by the 4th check valve and the V interface of functional module；The T interface of multifunctional heat exchanger passes through the It is connect respectively with the first check valve and third check valve again after five check valves and third solenoid valve；The O Interface of multifunctional heat exchanger It is connect with a interface of the first four-way valve；

Solar heat exchanger, solar heat exchanger include water supplement port, refrigerant coil pipe, water temperature sensor, refrigerant inlet, refrigerant Circulation port under outlet, overflow port, solar energy upper cycling mouth, solar energy, solar energy upper cycling mouth respectively with the first water supply solenoid valve It is connected with one end of solar energy heating vacuum tube, circulation port passes through solar energy circulating pump and solar energy heating vacuum tube under solar energy The other end connection；The other end of solar energy heating vacuum tube is connected by the water filling port of the second water supply solenoid valve and hot water storage tank It connects；The water inlet of circulation port and multifunctional heat exchanger connects under the hot water of hot water storage tank, the water outlet and storage of multifunctional heat exchanger The hot water upper cycling mouth of boiler connects；The refrigerant exit of solar heat exchanger is connect with the i interface of third four-way valve；Solar energy The refrigerant inlet of heat exchanger is connected by the u interface of the 5th solenoid valve, the 9th solenoid valve and second one-way valve and functional module, too The refrigerant inlet of positive energy heat exchanger is connected by the 5th solenoid valve, the 9th solenoid valve and the 4th check valve and the V interface of functional module It connects.

Further, the hot water storage tank could alternatively be external heat source, external heat source be third cold and heat source Ru Shui, Source, municipal wastewater, industrial wastewater etc.；The water inlet of one end of external heat source and multifunctional heat exchanger connects, external heat source it is another The connection of the water outlet of one end and multifunctional heat exchanger.

Further, the functional module includes fluid reservoir, device for drying and filtering, the first electric expansion valve, economizer, second Electric expansion valve, the 6th solenoid valve, the u interface of functional module are sequentially connected fluid reservoir, device for drying and filtering, economizer, the first electricity Sub- expansion valve and V interface；Device for drying and filtering is sequentially connected the 6th solenoid valve, the second electric expansion valve, economizer and Q interface；It is dry Dry filter is also connected with P interface；The functional module and air injection enthalpy-increasing compressor combination in use, the cold solar energy of evaporation with Air heat source combined heat-pump recuperation of heat unit can be used for the highly effective refrigeration under hot and humid environment, the efficient system under low temperature environment Heat.

Further, the outside heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray Pump, header tank, the first function solenoid valve A, the second function solenoid valve B；Spray pump is set in header tank；Blower causes air flow through wind The surface of cold heat exchanger, spray thrower to evaporation cold heat exchanger surface spraying cooling water；The R interface of outside heat exchanging part is sequentially connected Evaporate going out for the input end of cold heat exchanger, the outlet end for evaporating cold heat exchanger, the input end of air cooling heat exchanger and air cooling heat exchanger Mouth end, the outlet end for evaporating cold heat exchanger are also connected with the input end of the second function solenoid valve B, and the outlet end of air cooling heat exchanger also connects Connect the input end of the first function solenoid valve A, the outlet end of the outlet end of the second function solenoid valve B and the first function solenoid valve A are simultaneously It is connect after connection with the S interface of outside heat exchanging part.

Further, the functional module could alternatively be the second functional module: there is second functional module U, V to connect Mouthful；Second functional module includes fluid reservoir, device for drying and filtering and the first electric expansion valve, u interface be sequentially connected fluid reservoir, Device for drying and filtering, the first electric expansion valve and V interface.When functional module replaces with the second functional module, the compressor is Common compressor, the common compressor only have outflow port, refluxing opening, the cold solar energy of evaporation and air heat source compound thermal Pump recuperation of heat unit is only used under non-cold environment the refrigeration of (- 10 DEG C), heating.

Further, the indoor heat exchanger could alternatively be multi-joint indoor units, and the multi-joint indoor units include Including refrigerant finned heat exchanger and indoor blower, indoor blower causes air flow through the surface of refrigerant finned heat exchanger, is used for The refrigeration of unit, heating.

Further, the outside heat exchanging part could alternatively be heat exchanging part on the outside of second Room, change on the outside of the second Room Hot portion has R, S interface；Heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray on the outside of second Room Pump, header tank, third function solenoid valve C, the 4th function solenoid valve D；The input end and the 4th function of third function solenoid valve C It is connect after the input end of solenoid valve D is in parallel with the R interface of heat exchanging part on the outside of second Room, the outlet end of third function solenoid valve C connects It gives a dinner for a visitor from afar the input end of cold heat exchanger, the input end of the outlet end connection evaporation cold heat exchanger of the 4th function solenoid valve D, air-cooled heat exchange It is connect after the outlet end of device and the outlet end for evaporating cold heat exchanger are in parallel with the S interface of heat exchanging part on the outside of second Room.

Further, the outside heat exchanging part could alternatively be third outside heat exchanging part, and the third outside is changed Hot portion has R, S interface；Third outside heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray Pump, header tank, five-function solenoid valve E, the 6th function solenoid valve F；The R interface connection of third outside heat exchanging part is air-cooled to change The input end of hot device, the input end of the outlet end connection evaporation cold heat exchanger of air cooling heat exchanger, evaporates the outlet end of cold heat exchanger The input end of the 6th function solenoid valve is connected, the outlet end of air cooling heat exchanger is also connected with the input end of five-function solenoid valve E, the S interface after the outlet end of five-function solenoid valve E is in parallel with the outlet end of the 6th function solenoid valve with third outside heat exchanging part Connection.

The utility model has the advantages that a variety of cold source cooling supply can be achieved in the present invention；Various heating sources heat supply；Optimum selecting mode, has unit Standby more than ten kinds of energy are in most efficient working condition；Multiple functions are integrated, and realize cooling supply, heat supply, hot water multiple functions.Specifically It shows themselves in that and adds positive displacement solar heat exchanger in evaporation cold source heat pump, Secondary Heat Source can be provided for heating and reach energy conservation Purpose；By adding hot water storage tank, it can be achieved that energy adjustment is always used；It is additionally arranged multifunctional heat exchanger (changes in temperature heat exchanger), realizes Air conditioner refrigerating/heat and total heat recovery, meet heating/domestic hot-water supply demand；The circuit design of optimization is connected by each component Design is connect, unit is realized and evaporates cold refrigeration, the heating of air-cooled refrigeration, solar heat pump heating, air source heat pump, solar heat Water, solar heat pump and water heating, air energy thermal water, total heat recovery refrigeration hot water, solar energy defrost, refrigeration defrost, hot water defrost etc. Ten multiple-working modes realize refrigeration, heating, hot water three zones；Expansible multifunctional heat exchanger, in addition to heat may be implemented Recycle function, may be incorporated into third cold and heat source Ru Shui, Di Yuan, municipal wastewater, industrial wastewater etc., realize water resource heat pump refrigeration, Heating, hot water demand.

Detailed description of the invention

Fig. 1 is that the present invention evaporates cold solar energy and one structural representation of air heat source combined heat-pump recuperation of heat train embodiments Figure.

Fig. 2 is the enlarged diagram of the first four-way valve 131 contained by the embodiment of the present invention one.

Fig. 3 is the enlarged diagram of the second four-way valve 132 contained by the embodiment of the present invention one.

Fig. 4 is the enlarged diagram of third four-way valve 133 contained by the embodiment of the present invention one.

Fig. 5 is the enlarged diagram of compressor 1 contained by the embodiment of the present invention one.

Fig. 6 is the enlarged diagram of multifunctional heat exchanger 3 contained by the embodiment of the present invention one.

Fig. 7 is the enlarged diagram of outside heat exchanging part 4 contained by the embodiment of the present invention one.

Fig. 8 is the enlarged diagram of indoor heat exchanger 5 contained by the embodiment of the present invention one.

Fig. 9 is the enlarged diagram of solar heat exchanger 6 contained by the embodiment of the present invention one.

Figure 10 is the enlarged diagram of hot water storage tank 15 contained by the embodiment of the present invention one.

Figure 11 is the enlarged diagram of functional module 10 contained by the embodiment of the present invention one.

Figure 12 is the vaporation cooling refrigeration model process figure of the embodiment of the present invention one.

Figure 13 is evaporation cooling and the air cooling joint refrigeration model process figure of the embodiment of the present invention one.

Figure 14 is the air-source heating heating mode flow chart of the embodiment of the present invention one.

Figure 15 is the solar-heating model process figure of the embodiment of the present invention one.

Figure 16 is solar heat-preservation heat supply mode (external heat supply mode) flow chart of the embodiment of the present invention one.

Figure 17 is the air-source hot-water mode flow chart of the embodiment of the present invention one.

Figure 18 is the solar heat pump and water heating model process figure of the embodiment of the present invention one.

Figure 19 is the refrigeration while domestic hot-water supply model process figure of the embodiment of the present invention one.

Figure 20 is the solar energy domestic hot-water supply model process figure of the embodiment of the present invention one.

Figure 21 is the refrigeration defrost pattern flow chart of the embodiment of the present invention one.

Figure 22 is the solar energy defrost pattern flow chart of the embodiment of the present invention one.

Figure 23 is hot water defrost pattern (external heat source defrost pattern) flow chart of the embodiment of the present invention one.

Figure 24 is that the present invention evaporates cold two structural schematic diagram of Multisource heat pump train embodiments.

Figure 25 is that the present invention evaporates cold three structural schematic diagram of Multisource heat pump train embodiments.

Figure 26 is that the present invention evaporates cold four structural schematic diagram of Multisource heat pump train embodiments.

Figure 27 is that the present invention evaporates cold five structural schematic diagram of Multisource heat pump train embodiments.

Figure 28 is that the present invention evaporates cold six structural schematic diagram of Multisource heat pump train embodiments.

Figure 29 is the partial enlarged view of the second functional module 10a contained by the embodiment of the present invention two and example IV.

Figure 30 is the partial enlarged view of multi-joint indoor units 5a contained by the embodiment of the present invention three and example IV.

Figure 31 is the partial enlarged view of heat exchanging part 4a on the outside of second Room contained by the embodiment of the present invention five.

Figure 32 is the partial enlarged view of third outside heat exchanging part 4b contained by the embodiment of the present invention six.

Wherein: 1, compressor；11, outflow port；12, refluxing opening；13, EVI jet port；2, gas-liquid separator；131, first Four-way valve；132, the second four-way valve；133, third four-way valve；3, multifunctional heat exchanger；31, water inlet；32, water outlet；4, room Outside heat exchanging part；41, blower；42, air cooling heat exchanger；43, spray thrower；44, spray pump；45, cold heat exchanger is evaporated；46, it catchments Case；Heat exchanging part on the outside of 4a, second Room；4b, third outside heat exchanging part；A, the first function solenoid valve；B, the second function solenoid valve； C, third function solenoid valve；D, the 4th function solenoid valve；E, five-function solenoid valve；F, the 6th function solenoid valve；5, indoor Heat exchanger；5a, indoor multi-joint unit；6, solar heat exchanger；61, water supplement port；62, refrigerant coil pipe；63, water temperature sensor； 64, refrigerant exit；65, refrigerant inlet；66, overflow port；67, solar energy upper cycling mouth；68, circulation port under solar energy；7, liquid storage Tank；8, device for drying and filtering；9, economizer；10, functional module；10a, the second functional module；14, heating power expansion valve；101, first Electric expansion valve；102, the second electric expansion valve；111, the first solenoid valve；112, second solenoid valve；113, third solenoid valve； 114, the 4th solenoid valve；115, the 5th solenoid valve；116, the 6th solenoid valve；117, the 7th solenoid valve；118, the 8th solenoid valve； 119, the 9th solenoid valve；120, the first check valve；121, second one-way valve；122, third check valve；123, the 4th check valve； 124, the 5th check valve；125, the 6th check valve；126, the 7th check valve；15, hot water storage tank；15a, water filling port；15b, it discharges water Mouthful；15c, hot water upper cycling mouth；Circulation port under 15d, hot water；15e, overflow port；151, recuperation of heat pumps；16, solar energy heating is true Blank pipe；161, solar energy circulating pump；162, the first water supply solenoid valve；163, the second water supply solenoid valve.

Specific embodiment

Invention is further described in detail With reference to embodiment.

Embodiment one

Fig. 1-11, the present invention evaporate cold solar energy and one structural representation of air heat source combined heat-pump recuperation of heat train embodiments Figure and each partial enlarged view.

It is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, comprising:

Compressor 1, the compressor 1 are air injection enthalpy-increasing compressor, have outflow port 11, refluxing opening 12 and EVI jet port 13；

First four-way valve 131, the first four-way valve 131 have tetra- interfaces of a, b, c, d, and d interface connect compressor 1 goes out to flow Mouth 11；

Second four-way valve 132, the second four-way valve 132 have tetra- interfaces of e, f, g, h, the c interface of the first four-way valve 131 It is connect with the e interface of the second four-way valve 132；

Third four-way valve 133, third four-way valve 133 have tetra- interfaces of i, j, k, l, the h interface of the second four-way valve 132 It is connect with the l interface of third four-way valve 133；The g interface of second four-way valve 132 respectively with the j interface of third four-way valve 133 and The b interface of one four-way valve 131 connects；

Gas-liquid separator 2, the b interface of the first four-way valve 131, the g interface of the second four-way valve 132, third four-way valve 133 J interface is in parallel and is connect respectively by gas-liquid separator 2 with the refluxing opening of compressor 1；

Outside heat exchanging part 4, outside heat exchanging part 4 have R, S interface, the R interface connection the three or four of outside heat exchanging part 4 The k interface of port valve 133；

Functional module 10, functional module have U, V, P, Q interface, and the S interface of outside heat exchanging part 4 passes through the first solenoid valve 111 and 120 linkage function module 10 of the first check valve u interface and connected by the first solenoid valve 111 and third check valve 122 The V interface of functional module 10；The S interface of outside heat exchanging part 4 passes through the first solenoid valve 111, the 8th solenoid valve 118 and the 9th Solenoid valve 119 is connect by the 4th check valve 123 with the V interface of functional module 10 again；The Q interface of functional module 10 connects compression The EVI jet port 13 of machine 1；The P interface of functional module 10 passes through 14 connect compressor 1 of the 7th solenoid valve 117 and heating power expansion valve EVI jet port 13；

Indoor heat exchanger 5, indoor heat exchanger 5 have M, N interface, and the u interface of functional module 10 is unidirectional by second Valve 121 and second solenoid valve 112 connect the N interface of indoor heat exchanger 5, and the V interface of functional module 10 passes through the 4th check valve 123 and second solenoid valve 112 connect indoor heat exchanger 5 N interface；The M interface and the second four-way valve of indoor heat exchanger 5 132 f interface connection；

Multifunctional heat exchanger 3, multifunctional heat exchanger 3 have O, T interface and water inlet 31, water outlet 32, Multifunctional heat exchange After the T interface of device 3 is connect by the 5th check valve 124 or the 6th check valve 125 with the 4th solenoid valve 114, then it is single by second It connect to valve 121 with the u interface of functional module 10, while being connected again by the 4th check valve 123 and the V interface of functional module 10 It connects；The T interface of multifunctional heat exchanger 3 also pass through after the 6th check valve 125 and third solenoid valve 113 again respectively with the first check valve 120 and third check valve 122 connect；The O Interface of multifunctional heat exchanger 3 is connect with a interface of the first four-way valve 131；

Solar heat exchanger 6, solar heat exchanger 6 include water supplement port 61, refrigerant coil pipe 62, water temperature sensor 63, refrigerant Circulation port 68 under import 65, refrigerant exit 64, overflow port 66, solar energy upper cycling mouth 67, solar energy, solar energy upper cycling mouth 67 It is connect respectively with one end of the first water supply solenoid valve 162 and solar energy heating vacuum tube 16, circulation port 68 is by too under solar energy Positive energy circulating pump 161 is connect with the other end of solar energy heating vacuum tube 16；The other end of solar energy heating vacuum tube 16 is also logical The second water supply solenoid valve 163 is crossed to connect with the water filling port 15a of hot water storage tank 15；Under the hot water of hot water storage tank 15 circulation port 15d with The water inlet 31 of multifunctional heat exchanger 3 connects, and recycles on the water outlet 32 of multifunctional heat exchanger 3 and the hot water of hot water storage tank 15 Mouth 15c connection；The refrigerant exit 64 of solar heat exchanger 6 is connect with the i interface of third four-way valve 133；Solar heat exchanger 6 Refrigerant inlet 65 by the 5th solenoid valve 115, the 9th solenoid valve 119 and second one-way valve 121 and functional module 10 u interface The refrigerant inlet 65 of connection, solar heat exchanger 6 passes through the 5th solenoid valve 115, the 9th solenoid valve 119 and the 4th check valve 123 It is connect with the V interface of functional module 10；

Further, the hot water storage tank 15 could alternatively be external heat source, external heat source be third cold and heat source such as water, Ground source, municipal wastewater, industrial wastewater etc.；One end of external heat source is connect with the water inlet 31 of multifunctional heat exchanger 3, external heat The other end in source is connect with the water outlet 32 of multifunctional heat exchanger 3.

Further, the functional module 10 includes fluid reservoir 7, device for drying and filtering 8, the first electric expansion valve 101, economy Device 9, the second electric expansion valve 102, the 6th solenoid valve 116, the U interface of functional module 10 are sequentially connected fluid reservoir 7, dried Filter 8, economizer 9, the first electric expansion valve 101 and V interface；Device for drying and filtering 8 is sequentially connected the 6th solenoid valve 116, second Electric expansion valve 102, economizer 9 and Q interface；Device for drying and filtering 8 is also connected with P interface；The functional module 10 and air injection enthalpy-increasing Compressor combination is in use, the cold solar energy of the evaporation and air heat source combined heat-pump recuperation of heat unit can be used for low temperature environment Refrigeration, heating.

Further, the outside heat exchanging part 4 includes blower 41, air cooling heat exchanger 42, evaporation cold heat exchanger 45, spray Device 43, spray pump 44, header tank 46, the first function solenoid valve A, the second function solenoid valve B；Spray pump 44 is set to header tank 46 It is interior；Blower 41 causes air flow through the surface of air cooling heat exchanger 42, and spray thrower 43 is to evaporation 45 surface spraying cooling water of cold heat exchanger； The R interface of outside heat exchanging part 4 is sequentially connected the input end 451 of evaporation cold heat exchanger 45, evaporates the outlet end of cold heat exchanger 45 452, the outlet end of cold heat exchanger 45 is evaporated in the outlet end 422 of the input end 421 of air cooling heat exchanger 42 and air cooling heat exchanger 42 452 are also connected with the input end B1 of the second function solenoid valve B, and the outlet end 422 of air cooling heat exchanger 42 is also connected with the first function electromagnetism After the outlet end A2 of the input end A1, the outlet end B2 of the second function solenoid valve B and the first function solenoid valve A of valve A is in parallel with room The S interface of outside heat exchanging part 4 connects.

The cold Multisource heat pump unit of the evaporation of the present embodiment one has following operating mode:

(1) vaporation cooling refrigeration mode

As shown in figure 12, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The e-h of second four-way valve 132 End, the end f-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is opened, blower 41 starts, spray thrower 43 In spray state.Second function solenoid valve B is opened, the first function solenoid valve A is closed.Compressor 1 is in running order.7th Solenoid valve 117 opens or closes when set temperature, such as when compressor temperature is higher than a certain setting value (such as 95 DEG C) Shi Kaiqi.

In coolant loop, the second function solenoid valve B, the first solenoid valve 111, second solenoid valve 112, the 6th solenoid valve 116 It opens；First function solenoid valve A, third solenoid valve 113, the 4th solenoid valve 114, the 5th solenoid valve 115, the 8th solenoid valve 118, 9th solenoid valve 119 is closed.

Spray liquid enthalpy gain compressor 1 is powered on, and enters the from 1 outflow port 11 of compressor injection high temperature and high pressure gaseous refrigerant After the end d of one four-way valve 131 enters, c is brought out, third four-way valve is entered into after entering the end e of the second four-way valve 132, h is brought out 133 end l enters, k is brought out, single through the second function solenoid valve B, the first solenoid valve 111, first into after evaporation cold heat exchanger 45 After entering fluid reservoir 7, device for drying and filtering 8 to valve 120, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, it is reduced to low-temp low-pressure refrigerant liquid refrigerant by the first electric expansion valve 101, passed through after being gone out by the 4th check valve 123 Second solenoid valve 112 enters the room side heat exchanger 5, and liquid refrigerants is recycled with the indoor lower temperature for flowing through indoor heat exchanger 5 Water heat exchange, refrigerant vaporization heating absorb heat, and the indoor circulating water of lower temperature cools down to obtain chilled water to reach refrigeration mesh 's.Refrigerant after vaporization, by the way that the end f of the second four-way valve 132 enters, g is brought out, by returning returning for compressor 1 after gas-liquid separator 2 Head piece 12 terminates refrigerant major cycle and enters subsequent cycle.

(2) circuit EVI is assisted: by the 6th solenoid valve 116, through economizer 9 after 102 reducing pressure by regulating flow of the second electric expansion valve The other side and major loop side refrigerant carry out heat exchange tentatively vaporize heat up after, become medium pressure steam, return to compression The EVI jet port 13 of machine completes a circulation into compressor 1.

When the temperature of compressor 1 is higher, to prevent compressor 1 from being punctured by high temperature, the 7th solenoid valve 117 is opened, and the 6th Solenoid valve 116 is closed, and is reduced refrigerant and is entered 9 secondary vaporizing amount of economizer, refrigerant passes through the 7th solenoid valve 117 and heating power expansion valve The EVI jet port 13 of compressor is returned to after reducing pressure by regulating flow, increases secondary refrigerant regurgitant volume, to reduce the temperature of compressor 1, is prevented Only scaling loss compressor.

(2) evaporation cooling and air cooling joint refrigeration mode

As shown in figure 13, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The e-h of second four-way valve 132 End, the end f-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is opened, blower 41 starts, spray thrower 43 In spray state.Second function solenoid valve B is closed, the first function solenoid valve A is opened.Compressor 1 is in running order.7th Solenoid valve 117 opens or closes when set temperature, such as opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In coolant loop, the first function solenoid valve A, the first solenoid valve 111, second solenoid valve 112, the 6th solenoid valve 116 It opens；Second function solenoid valve B, third solenoid valve 113, the 8th solenoid valve 118, the 4th solenoid valve 114, the 5th solenoid valve 115, 9th solenoid valve 119 is closed.

Spray liquid enthalpy gain compressor 1 is powered on, and enters the from 1 outflow port 11 of compressor injection high temperature and high pressure gaseous refrigerant After the end e after one end four-way valve 131d enters, c is brought out into the second four-way valve 132 enters, h is brought out, into third four-way valve 133 The end l enter, k is brought out, into evaporation cold heat exchanger 45, after air cooling heat exchanger 42, through the first function solenoid valve A, the first solenoid valve 111, after the first check valve 120 enters fluid reservoir 7, device for drying and filtering 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, by the first electric expansion valve 101 be reduced to low-temp low-pressure refrigerant liquid refrigerant by the 4th check valve 123 go out after, pass through Second solenoid valve 112 enters the room side heat exchanger 5, and liquid refrigerants is recycled with the indoor lower temperature for flowing through indoor heat exchanger 5 Water heat exchange, refrigerant vaporization heating absorb heat, and the indoor circulating water of lower temperature cools down to obtain chilled water to reach refrigeration mesh 's.Refrigerant after vaporization, by the way that the end f of the second four-way valve 132 enters, g is brought out, by returning returning for compressor 1 after gas-liquid separator 2 Head piece 12 terminates refrigerant major cycle and enters subsequent cycle.

(2) circuit EVI is assisted: by the 6th solenoid valve 116, through economizer 9 after 102 reducing pressure by regulating flow of the second electric expansion valve The other side and major loop side refrigerant carry out heat exchange tentatively vaporize heat up after, become medium pressure steam, return to compression The EVI jet port 13 of machine completes a circulation into compressor.

When 1 temperature of compressor is higher, to prevent compressor high temperature from puncturing, the 7th solenoid valve 117 is opened, the 6th solenoid valve 116 close, and reduce refrigerant and enter 9 secondary vaporizing amount of economizer, increase secondary refrigerant regurgitant volume, so that it is anti-to reduce compressor temperature Only scaling loss compressor.

(3) air-source heats heating mode

As shown in figure 14, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；Second end four-way valve 132e-f, The end h-g communicates；The end third four-way valve 133j-i, the end l-k communicate.Spray pump 44 is closed, blower 41 starts, spray thrower 43 is in and closes Closed state, the second function solenoid valve B is closed, the first function solenoid valve A is opened, and is evaporated cold heat exchanger 45 at this time and is played evaporator work With.Compressor 1 is in running order.7th solenoid valve 117 is opened or closed in set temperature, when compressor temperature is higher than a certain (such as 95 DEG C) are opened when setting value.

In each circuit of refrigerant, second solenoid valve 112, the 6th solenoid valve 116, the first solenoid valve 111 are opened, the 4th solenoid valve 114, the 5th solenoid valve 115, the 8th solenoid valve 118, third solenoid valve 113, the 9th solenoid valve 119 are closed.

Spray liquid enthalpy gain compressor 1 is powered on, and is entered from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant The end d of first four-way valve 131 enters, c is brought out, and into after entering the end e of the second four-way valve 132, f is brought out, enters the room side heat exchange Device 5: spray pump 44 is closed, and blower 41 starts, and spray thrower 43 stops spray, the second function solenoid valve B closing, the first function electromagnetism Valve A is opened, and is evaporated cold heat exchanger 45 at this time and is played the role of evaporator.Refrigerant steam indoors in side heat exchanger 5 with flow through this Secondary refrigerating medium (water) heat exchange, in the case where freezing pumping action, warmed-up hot water is transported in indoor fan coil pipe, room air Heat exchange is carried out under fan action, room air heating is reached air-conditioning heating purpose by secondary refrigerating medium (water).Side indoors Cooling medium liquefaction after cooling down in heat exchanger 5, high temperature and pressure refrigerant steam changes into high temperature and pressure liquid refrigerant at this time, successively leads to After crossing second solenoid valve 112, second one-way valve 121, fluid reservoir 7, device for drying and filtering 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, low-temp low-pressure refrigerant liquid refrigerant is reduced to by the first electric expansion valve 101 pass through third check valve 122, the first electromagnetism Air cooling heat exchanger 42 and evaporation cold heat exchanger 45 are sequentially entered after valve 111, evaporate cold heat exchange under 41 forced convertion of blower effect Device 45 and 42 collective effect steam raising of air cooling heat exchanger absorb heat in air, and it is low that low-temp low-pressure liquid refrigerant becomes low temperature Press refrigerant steam, by the way that the end k of third four-way valve 133 enters, l is brought out, then entered by the end h of the second four-way valve 132, g is brought out, logical It crosses after gas-liquid separator 2 and returns the refluxing opening 12 of compressor 1, terminate refrigerant major cycle and enter subsequent cycle.

(2) circuit EVI is assisted: after the 6th solenoid valve 116,102 reducing pressure by regulating flow of the second electric expansion valve, through economizer 9 side and the refrigerant of major loop side become medium pressure steam after carrying out heat exchange vaporization heating, return to compressor 1 EVI jet port 13 completes a circulation into compressor.

When 1 temperature of compressor is higher, to prevent compressor high temperature from puncturing, the 7th solenoid valve 117 is opened, the 6th solenoid valve 116 close, and reduce refrigerant and enter 9 secondary vaporizing amount of economizer, increase secondary refrigerant regurgitant volume, to reduce compressor temperature.

Solar energy heating circulation presses temperature differential method circulating-heating.At the end of solar-heating or solar heat-preservation heat supply, open Move this mode heat supply.

(4) solar-heating mode

As shown in figure 15, this mode is starting when solar heat exchanger temperature reaches set temperature when daytime, sunshine was abundant. The end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The end e-f, the end h-g of second four-way valve 132 communicate；Three or four The end l-i, the end j-k of port valve 133 communicate.Spray pump 44 is closed, blower 41 is closed, spray thrower 43 is in close state, the second function It can solenoid valve B closing, the first function solenoid valve A closing.Compressor 1 is in running order.7th solenoid valve 117 is in set temperature It opens or closes, opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In each circuit of refrigerant, second solenoid valve 112, the 6th solenoid valve 116, the 8th solenoid valve 118, the 5th solenoid valve 115 It opens, the 4th solenoid valve 114, the 9th solenoid valve 119, the first solenoid valve 111, third solenoid valve 113 are closed.

Spray vapour increases culvert compressor 1 and is powered on, and enters from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant The end d of first four-way valve 131 enters, c is brought out, and into after entering the end e of the second four-way valve 132, f is brought out, enters the room side heat exchange Device 5；Spray pump 44 is closed, and blower 41 is closed, and spray thrower 43 stops spray, the second function solenoid valve B closing, the first function electromagnetism Valve A is closed.Refrigerant steam is indoors in side heat exchanger 5 with refrigerating medium (water or anti-icing fluid) heat exchange, refrigerating medium (water after heating Or anti-icing fluid) hot water is transported in indoor fan coil pipe in the case where freezing pumping action, room air under fan action with refrigerating Agent carries out heat exchange, and room air heating is reached air-conditioning heating purpose.Cooling medium liquid after cooling down in side heat exchanger 5 indoors Change, high temperature and pressure refrigerant steam changes into high temperature and pressure liquid refrigerant at this time, and it is single to pass sequentially through second solenoid valve 112, second To after valve 121, fluid reservoir 7, device for drying and filtering 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, low-temp low-pressure refrigerant liquid refrigerant is reduced to by the first electric expansion valve 101 pass through third check valve 122, the 8th electromagnetism Enter solar heat exchanger 6 after valve 118, the 5th solenoid valve 115, low-temp low-pressure liquid refrigerant vaporization absorbs TAI YANG syndrome caused by heat Amount, low-temp low-pressure liquid refrigerant becomes low-temp low-pressure refrigerant steam, and the end i for passing sequentially through third four-way valve 133 enters, l is brought out, The end h of second four-way valve 132 enters, g is brought out, and by returning the refluxing opening 12 of compressor 1 after gas-liquid separator 2, terminates refrigerant master and follows Ring enters subsequent cycle.

Solar energy heating circulation is recycled by temperature differential method, sets mode.

(5) solar heat-preservation heat supply mode (external heat supply mode)

As shown in figure 16, this both of which is respectively that solar heat exchanger temperature is higher when sunshine is abundant or has sufficient external Start when heat source.The end a-b, the end c-d of first four-way valve 131 communicate；The end e-f, the end h-g of second four-way valve 132 communicate；The The end l-i, the end j-k of three four-way valves 133 communicate.Spray pump 44 is closed, blower 41 is closed, spray thrower 43 is in close state, the Two function solenoid valve B are closed, the first function solenoid valve A is closed.Compressor 1 is in running order.7th solenoid valve 117 is in setting Temperature opens or closes, and opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In each circuit of refrigerant, second solenoid valve 112, the 6th solenoid valve 116, third solenoid valve 113 are opened, the 4th solenoid valve 114, the 9th solenoid valve 119, the first solenoid valve 111, the 5th solenoid valve 115, the 8th solenoid valve 118 are closed.

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, low-temp low-pressure refrigerant liquid refrigerant is reduced to by the first electric expansion valve 101 pass through third check valve 122, third electromagnetism After valve 113, the 5th check valve 124, into multifunctional heat exchanger 3, low-temp low-pressure liquid refrigerant and water inlet 31 flow into compared with The recirculated water of high-temperature carries out heat exchange, absorbs the heat vaporization of the TAI YANG syndrome caused by heat amount or external heat source that store in hot water storage tank 15 It evaporates, is shipped back hot water storage tank 15 or outer after the circulating water cooling of higher temperature under 151 effect of recuperation of heat pump from water outlet 32 It connects in heat source；At this point, low-temp low-pressure liquid refrigerant becomes low-temp low-pressure refrigerant steam, the first four-way valve 131 is passed sequentially through The end a enters, b is brought out, and by returning the refluxing opening 12 of compressor 1 after gas-liquid separator 2, terminates refrigerant major cycle and enters subsequent cycle.

(2) assist the circuit EVI: by after the 6th solenoid valve 116,102 reducing pressure by regulating flow of the second electric expansion valve through economizer 9 Side and major loop side refrigerant carry out heat exchange vaporization heating after, become medium pressure steam, return to the EVI of compressor Jet port 13 completes a circulation into compressor.

(6) air-source hot-water mode

As shown in figure 17, the end a-d, the end c-b of the first four-way valve 131 communicate under this mode；The e-f of second four-way valve 132 End, the end h-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is closed, blower 41 is opened, spray thrower 43 It is in close state, the second function solenoid valve B is closed, the first function solenoid valve A is opened.Compressor 1 is in running order.7th Solenoid valve 117 is opened or closed in set temperature, opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In each circuit of refrigerant, the 4th solenoid valve 114, the 6th solenoid valve 116, the first solenoid valve 111 are opened, second solenoid valve 112, third solenoid valve 113, the 5th solenoid valve 115, the 8th solenoid valve 118, the 9th solenoid valve 119 are closed.

Steam jet enthalpy compressor 1 is powered on, and is entered from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant Enter multifunctional heat exchanger 3 after the end d of first four-way valve 131 enters, a is brought out；Spray pump 44 is closed, and blower 41 starts, spray Device 43 stops spray, and the second function solenoid valve B is closed, the first function solenoid valve A is opened；High temperature and high pressure steam refrigerant with compared with low temperature The condensation cooling liquefaction after heat exchange in multifunctional heat exchanger 3 of the recirculated water of degree, high temperature and pressure refrigerant steam changes into height at this time Warm high pressure liquid refrigerant passes sequentially through the 6th check valve 125, the 4th solenoid valve 114, second one-way valve 121 and enters fluid reservoir 7, after device for drying and filtering 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, low-temp low-pressure refrigerant liquid refrigerant is reduced to by the first electric expansion valve 101 pass through third check valve 122, the first electromagnetism Valve 111 sequentially enters air cooling heat exchanger 42, evaporation cold heat exchanger 45, heat in outdoor air is absorbed under 41 positive action of blower Vaporization heating is measured, the first function solenoid valve A is opened, the second function solenoid valve B is closed, and evaporation cold heat exchanger plays evaporation Device effect, under evaporation cold heat exchanger 45 and 42 collective effect of air cooling heat exchanger, it is low that low-temp low-pressure liquid refrigerant becomes low temperature Refrigerant steam is pressed, by the way that the end k of third four-way valve 133 enters, l is brought out, by the way that the end h of the second four-way valve 132 enters, g is brought out, is led to It crosses after gas-liquid separator 2 and returns the refluxing opening 12 of compressor 1, terminate refrigerant major cycle and enter subsequent cycle.

When 1 temperature of compressor is higher, to prevent compressor high temperature from puncturing, the 7th solenoid valve 117 opens the 6th electricity simultaneously Magnet valve 116 is closed, and is reduced refrigerant and is entered 9 secondary vaporizing amount of economizer, increases secondary refrigerant regurgitant volume, to reduce compressor temperature Degree.

This mode is preferentially starts solar heat aqueous mode after cooling in summer heat recovery mode, when solar heat aqueous mode knot (55 DEG C) start this mode when hot water storage tank temperature is still not up to setting value after beam.Solar energy heating circulation is recycled by temperature differential method.

(7) solar heat pump and water heating mode

As shown in figure 18, the end a-d, the end c-b of the first four-way valve 131 communicate under this mode；The e-f of second four-way valve 132 End, the end h-g communicate；The end l-i, the end j-k of third four-way valve 133 communicate.Spray pump 44 is closed, blower 41 is closed, spray thrower 43 It is in close state, the second function solenoid valve B is closed, the first function solenoid valve A is closed.Compressor 1 is in running order.7th Solenoid valve 117 is opened or closed in set temperature, opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In each circuit of refrigerant, third solenoid valve 113, the 5th solenoid valve 115, the 6th solenoid valve 116, the 9th solenoid valve 119 It opens, the first solenoid valve 111, second solenoid valve 112, the 4th solenoid valve 114, the 8th solenoid valve 118 are closed.

Spray vapour increases culvert compressor 1 and is powered on, and enters from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant Enter multifunctional heat exchanger 3 after the end d of first four-way valve 131 enters, a is brought out；Spray pump 44 is closed, and blower 41 is shut down, spray Device 43 stops spray, and the second function solenoid valve B is closed, the first function solenoid valve A is closed, high temperature and high pressure steam refrigerant and water inlet The recirculated water of 31 lower temperatures flowed into multifunctional heat exchanger 3 liquefy after heat exchange by condensation cooling, the circulation of lower temperature Multifunctional heat exchanger 3 is flowed out from water outlet 32 after water heating, reaches recycling heat purpose, high temperature and pressure refrigerant steam changes at this time It is flowed out from multifunctional heat exchanger 3 for high temperature and pressure liquid refrigerant, passes sequentially through the 6th check valve 125, third solenoid valve 113, after entering fluid reservoir 7, device for drying and filtering 8 after the first check valve 120, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, it is reduced to low-temp low-pressure refrigerant liquid refrigerant by the first electric expansion valve 101, passes through the 4th check valve 123, the 9th electromagnetism Enter solar heat exchanger 6 after valve 119, the 5th solenoid valve 115 and absorbs solar heat vaporization, low-temp low-pressure liquid refrigeration Agent becomes low-temp low-pressure refrigerant steam, by the way that the end i of third four-way valve 133 enters, l is brought out, into the end h of the second four-way valve 132 Enter, g is brought out, by after gas-liquid separator 2 return compressor 1 refluxing opening 12, terminate refrigerant major cycle enter subsequent cycle.

(2) assist the circuit EVI: by side after solenoid valve 115,102 reducing pressure by regulating flow of electric expansion valve through economizer 9 with After the refrigerant of major loop side carries out heat exchange vaporization heating, becomes medium pressure steam, return to the EVI jet port of compressor 1 13, a circulation is completed into compressor.

This mode is that refrigeration heat recovery mode terminates, and when 15 temperature of hot water storage tank is lower than setting value (such as 55 DEG C), is preferentially opened Move this mode.

(8) refrigeration while domestic hot-water supply mode

The end a-d, the end c-b of the first four-way valve 131 communicate under this mode；The end e-f of second four-way valve 132, the end h-g phase It is logical；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is closed, blower 41 stops starting, spray thrower 43 is in and stops Only spray state.Second function solenoid valve B is closed, the first function solenoid valve A is closed.Compressor 1 is in running order.7th electricity Magnet valve 117 is opened or closed in set temperature, opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

In each circuit of refrigerant, third solenoid valve 113, the 6th solenoid valve 116, second solenoid valve 112 are opened, the first solenoid valve 111, the 4th solenoid valve 114, the 5th solenoid valve 115, the 9th solenoid valve 119, the 8th solenoid valve 118 are closed.

Spray vapour increases culvert compressor 1 and is powered on, and enters from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant Enter multifunctional heat exchanger 3 after the end d of first four-way valve 131 enters, a is brought out；Spray pump 44 is closed, and blower 41 is shut down, spray Device 43 stops spray, and the second function solenoid valve B is closed, the first function solenoid valve A is closed.High temperature and high pressure steam refrigerant with compared with low temperature The recirculated water of degree condensation cooling liquefaction after heat exchange, recirculated water of lower temperature in multifunctional heat exchanger 3 absorb refrigerant heat Heating outflow multifunctional heat exchanger 3 afterwards, reaches recuperation of heat purpose, high temperature and pressure refrigerant steam changes into high temperature and pressure liquid at this time Refrigerant passes sequentially through and enters fluid reservoir 7, dried after the 6th check valve 125, third solenoid valve 113, the first check valve 120 After filter 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down It is reduced to low-temp low-pressure refrigerant liquid refrigerant by the first electric expansion valve 101 afterwards, passes through the 4th check valve 123, the second electromagnetism Valve 112 enters indoor heat exchanger 5, low-temp low-pressure liquid refrigerant and the room for flowing through the other side in indoor heat exchanger 5 after going out Chilled water is produced in interior higher temperature water heat exchange, is transported to interior by refrigerating water pump and is reached refrigeration purpose, low-temperature refrigerant vaporization is steamed Become higher temperature refrigerant steam after hair heat absorption, by the way that the end f of the second four-way valve 132 enters, e is brought out, then passes through the first four-way valve 131 end c enters, b is brought out, and by returning the refluxing opening 12 of compressor 1 after gas-liquid separator 2, end refrigerant major cycle enters next Circulation.

(2) assist the circuit EVI: by after the 6th solenoid valve 116,102 reducing pressure by regulating flow of the second electric expansion valve through economizer 9 Side and major loop side refrigerant carry out heat exchange vaporization heating after, become medium pressure steam, return to compressor 1 EVI jet port 13 completes a circulation into compressor.

This mode is preferentially to start this mode under cooling condition, until when hot water storage tank reaches set temperature (45 DEG C), It is transferred to other modes.

(9) solar energy domestic hot-water supply mode

In such a mode, coolant loop is all closed.

As shown in figure 20, when the temperature of 6 water tank of solar heat exchanger the inside recirculated water is than solar energy heating vacuum tube 16 When temperature is 5 DEG C low, solar energy circulating pump 161 starts circulating-heating.When solar heat exchanger 6 reaches such as 60 DEG C of set temperature, First water supply solenoid valve 162, the second water supply solenoid valve 163 open simultaneously, and flow into heat to hot water storage tank 15 by water filling port 15a Water, until the water level of hot water storage tank 15 stops when reaching setting height.To needing the equipment of domestic hot-water to supply when dewatering outlet 15 is opened Water.When the temperature of solar heat exchanger 6 is lower than 45 DEG C, the first water supply solenoid valve 162, the second moisturizing 163 are simultaneously closed off, and stop Only supply water to hot water storage tank 15.

(10) refrigeration defrost pattern

As shown in figure 21, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The e-h of second four-way valve 132 End, the end f-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44, blower 41 are closed, spray thrower 43 is in Stop spray state.Second function solenoid valve B is closed, the first function solenoid valve A is opened.Compressor 1 is in running order.7th Solenoid valve 117 opens or closes when set temperature, such as opens (such as 95 DEG C) when compressor temperature is higher than a certain setting value.

Spray liquid enthalpy gain compressor 1 is powered on, and is entered from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant Enter third four-way valve after the end e after the end d of first four-way valve 131 enters, c is brought out into the second four-way valve 132 enters, h is brought out 133 end l enters, k is brought out, into after evaporation cold heat exchanger 45, air cooling heat exchanger 42, through the first function solenoid valve A, the first electromagnetism After valve 111, the first check valve 120 enter fluid reservoir 7, device for drying and filtering 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, it is reduced to after low-temp low-pressure refrigerant liquid refrigerant is gone out by the 4th check valve 123 by the first electric expansion valve 101 by the Two solenoid valves 112 enter the room side heat exchanger 5, liquid refrigerants and the indoor lower temperature recirculated water for flowing through indoor heat exchanger 5 Heat exchange, refrigerant vaporize heat in heating absorption chamber, and the indoor circulating water cooling of higher temperature provides heat source for compressor to reach To defrost purpose.Refrigerant after vaporization passes through back pressure after gas-liquid separator 2 by the way that the end f of the second four-way valve 132 enters, g is brought out The refluxing opening 12 of contracting machine 1 terminates refrigerant major cycle and enters subsequent cycle.

(2) circuit EVI is assisted: by the 6th solenoid valve 116, through economizer 9 after 102 reducing pressure by regulating flow of the second electric expansion valve The other side and major loop side refrigerant carry out heat exchange tentatively vaporize heat up after, become medium pressure steam, return to compression The EVI jet port 13 of machine 1 completes a circulation into compressor.

This mode is emergency defrost pattern: when hot water defrost pattern, solar energy defrost pattern terminate or condition is unsatisfactory for Start this mode.This mode frequency of usage is utmostly reduced, avoids causing to influence room temperature due to defrost.

(11) solar energy defrost pattern

As shown in figure 22, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The e-h of second four-way valve 132 End, the end f-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is closed, blower 41 is closed, spray thrower 43 In stopping spray state.Second function solenoid valve B is closed, the first function solenoid valve A is opened.Compressor 1 is in work shape State.7th solenoid valve 117 is opened or closed in set temperature, and (such as 95 are opened when compressor temperature is higher than a certain setting value ℃)。

In each circuit of refrigerant, the first solenoid valve 111, the 6th solenoid valve 116, the 9th solenoid valve 119, the 5th solenoid valve 115 It opens, second solenoid valve 112, third solenoid valve 113, the 4th solenoid valve 114, the 8th solenoid valve 118 are closed.

Spray vapour increases culvert compressor 1 and is powered on, and enters from the outflow port 11 of compressor 1 injection high temperature and high pressure gaseous refrigerant The end e after the end d of first four-way valve 131 enters, c is brought out into the second four-way valve 132 enters, h is brought out, and is entering third four-way valve 133 end l enters, k is brought out, into evaporation cold heat exchanger 45, air cooling heat exchanger 42；Spray pump 44 is closed, and the stopping of blower 41 is opened Dynamic, spray thrower 43 stops spray, and the second function solenoid valve B is closed, the first function solenoid valve A is opened.High temperature and pressure refrigerant steam Reach defrost purpose into evaporation cold heat exchanger 45 and 42 sorbent surface heat of air cooling heat exchanger.High temperature and pressure refrigerant steam at this time High temperature and pressure liquid refrigerant is changed into, the first solenoid valve 111, the first check valve 120, fluid reservoir 7, dried is passed sequentially through After filter 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, it is reduced to low-temp low-pressure refrigerant liquid refrigerant by the first electric expansion valve 101, passes through the 4th check valve 123, the 9th electromagnetism After valve 119, the 5th solenoid valve 115 go out, into solar heat exchanger 6, low-temp low-pressure refrigerant liquid and in solar heat exchanger 6 Vaporization heat absorption, it is low-temp low-pressure refrigerant steam that refrigerant, which absorbs solar heat vaporization heating, passes through third four-way valve 133 The end i enter, j is brought out, by returning the refluxing opening 12 of compressor 1 after gas-liquid separator 2, terminate refrigerant major cycle and enter next to follow Ring.

This mode is the second preferential defrost pattern: the water temperature sensing being set in solar heat exchanger 6 under defrost pattern Device 63, which perceives when water temperature is higher than a certain setting value in water tank (such as 15 DEG C), starts this mode, when being lower than a certain setting value (such as 5 DEG C) Be converted to refrigeration defrost pattern.

(12) hot water defrost pattern (external heat source defrost pattern)

As shown in figure 23, the end a-b, the end c-d of the first four-way valve 131 communicate under this mode；The e-h of second four-way valve 132 End, the end f-g communicate；The end j-i, the end l-k of third four-way valve 133 communicate.Spray pump 44 is closed, blower 41 is closed, spray thrower 43 In stopping spray state.Second function solenoid valve B is closed, the first function solenoid valve A is opened.Compressor 1 is in work shape State.7th solenoid valve 117 is opened or closed in set temperature, and (such as 95 are opened when compressor temperature is higher than a certain setting value ℃)。

In each circuit of refrigerant, the first solenoid valve 111, the 4th solenoid valve 114, the 6th solenoid valve 116 are opened, second solenoid valve 112, third solenoid valve 113, the 5th solenoid valve 115, the 8th solenoid valve 118, the 9th solenoid valve 119 are closed.

Spray vapour, which increases, to be contained compressor 1 and is powered on, and enters the from 1 outflow port 11 of compressor injection high temperature and high pressure gaseous refrigerant The end e after the end d of one four-way valve 131 enters, c is brought out into the second four-way valve 132 enters, h is brought out, then passes through third four-way valve 133 end l enters, k is brought out, into evaporation cold heat exchanger 45, air cooling heat exchanger 42；Spray pump 44 is closed, and the stopping of blower 41 is opened Dynamic, spray thrower 43 stops spray, and the second function solenoid valve B is closed, the first function solenoid valve A is opened, high temperature and pressure refrigerant steam Reach defrost purpose into evaporation cold heat exchanger 45 and 42 sorbent surface heat of air cooling heat exchanger.High temperature and pressure refrigerant steam at this time High temperature and pressure liquid refrigerant is changed into, the first solenoid valve 111, the first check valve 120, fluid reservoir 7, dried is passed sequentially through After filter 8, it is divided into two-way:

(1) major loop: by the economizer other side refrigerant heat exchange in economizer 9 and secondary circuit, further condensation cools down Afterwards, it is reduced to low-temp low-pressure refrigerant liquid refrigerant by the first electric expansion valve 101, passes through the 4th check valve 123, the 4th electromagnetism After valve 114, the 5th check valve 124 go out, into multifunctional heat exchanger 3, low-temp low-pressure refrigerant liquid and hot water storage tank 15 or external The hot water that heat source is flowed into through water inlet 31 carries out heat exchange, and it is that low-temp low-pressure refrigerant steams that refrigerant, which absorbs the heat of hot water vaporization heating, Vapour, flows back to hot water storage tank 15 or external heat source from water outlet 32 after hot water cooling, and refrigerant steam passes through a of the first four-way valve 131 It holds and is brought out into, b, by returning the refluxing opening 12 of compressor 1 after gas-liquid separator 2, terminate refrigerant major cycle and enter subsequent cycle.

(2) circuit EVI is assisted: after the 6th solenoid valve 116,102 reducing pressure by regulating flow of the second electric expansion valve, through economizer After 9 side and the refrigerant of major loop side carry out heat exchange vaporization heating, becomes medium pressure steam, return to compressor 1 EVI jet port 13 completes a circulation into compressor.

This mode is the first preferential defrost pattern, preferentially starts this mode after unit receives defrosting signal, works as accumulation of heat When water temperature in water tank is lower than a certain temperature (such as 5 DEG C), the second defrost pattern i.e. solar energy defrost pattern is converted to.

Embodiment two: it is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, in one structure of embodiment On the basis of, the functional module 10 is replaced with into the second functional module 10a, the as structure of embodiment two, as shown in figure 24. Second functional module has U, V interface；The second functional module 10a includes fluid reservoir 7, device for drying and filtering 8 and first Electric expansion valve 101, u interface are sequentially connected fluid reservoir 7, device for drying and filtering 8, the first electric expansion valve 101 and V interface.Work as function When energy module 10 replaces with the second functional module 10a, the compressor is common compressor, and the common compressor only has out Head piece 111, refluxing opening 112, the cold solar energy of evaporation are only used for non-cold with air heat source combined heat-pump recuperation of heat unit The refrigeration of (- 10 DEG C or more), heating under environment.

Embodiment three: it is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, in one structure of embodiment On the basis of, indoor heat exchanger 5 is replaced with into multi-joint indoor units 5a, as implements three structure, as shown in figure 25.It is described Multi-joint indoor units 5a includes refrigerant finned heat exchanger and indoor blower, and indoor blower causes air flow through the heat exchange of refrigerant fin The surface of device, refrigeration, heating for unit.

Example IV: it is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, in one structure of embodiment On the basis of, the functional module 10 is replaced with into the second functional module 10a, while indoor heat exchanger 5 being replaced with multi-joint Indoor units 5a as implements four structure, as shown in figure 26.

Embodiment five: it is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, in one structure of embodiment On the basis of, outside heat exchanging part 4 is replaced with into heat exchanging part 4a on the outside of second Room, as shown in Figure 27,31.Outside the second Room Side heat exchanging part 4a has R, S interface；Heat exchanging part 4a includes blower 41, air cooling heat exchanger 42, evaporation cold heat exchanger on the outside of second Room 45, spray thrower 43, spray pump 44, header tank 46, third function solenoid valve C, the 4th function solenoid valve D；Third function solenoid valve C Input end C1 and the 4th function solenoid valve D input end D1 it is in parallel after connect with the R interface of heat exchanging part 4a on the outside of second Room, the The input end 421 of the outlet end C2 connection air cooling heat exchanger 42 of three function solenoid valve C, the outlet end D2 of the 4th function solenoid valve D The input end 451 of connection evaporation cold heat exchanger 45, the outlet end 422 of air cooling heat exchanger 42 and the outlet end of evaporation cold heat exchanger 45 It is connect after 452 parallel connections with the S interface of heat exchanging part 4a on the outside of second Room.

Embodiment six: it is a kind of to evaporate cold solar energy and air heat source combined heat-pump recuperation of heat unit, in one structure of embodiment On the basis of, outside heat exchanging part 4 is replaced with into third outside heat exchanging part 4b, as shown in Figure 28,32.Outside the third room Side heat exchanging part 4b has R, S interface；Third outside heat exchanging part 4b includes blower 41, air cooling heat exchanger 42, evaporation cold heat exchanger 45, spray thrower 43, spray pump 44, header tank 46, five-function solenoid valve E, the 6th function solenoid valve F；The heat exchange of third outside Cold heat exchange is evaporated in the input end 421 of the R interface connection air cooling heat exchanger 42 of portion 4b, the connection of outlet end 422 of air cooling heat exchanger 42 The outlet end 452 of the input end 451 of device 45, evaporation cold heat exchanger 45 connects the input end F1 of the 6th function solenoid valve F, air-cooled to change The outlet end 422 of hot device 42 is also connected with the input end E1 of five-function solenoid valve E, the outlet end E2 of five-function solenoid valve E with It is connect after the outlet end F2 of 6th function solenoid valve F is in parallel with the S interface of third outside heat exchanging part 4b.

Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting, It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention It should be included within the scope of the present invention.

Claims

1. a kind of cold solar energy of evaporation and air heat source combined heat-pump recuperation of heat unit characterized by comprising

Second four-way valve, the second four-way valve have tetra- interfaces of e, f, g, h, the c interface of the first four-way valve and the e of the second four-way valve Interface connection；

Third four-way valve, third four-way valve have tetra- interfaces of i, j, k, l, the h interface of the second four-way valve and the l of third four-way valve Interface connection；The g interface of second four-way valve is connect with the b interface of the j interface of third four-way valve and the first four-way valve respectively；

Gas-liquid separator, the b interface of the first four-way valve, the g interface of the second four-way valve, third four-way valve j interface it is in parallel and point It is not connected by the refluxing opening of gas-liquid separator and compressor；

Outside heat exchanging part, outside heat exchanging part have R, S interface, the k of the R interface connection third four-way valve of outside heat exchanging part Interface；

Functional module, functional module have U, V, P, Q interface, and the S interface of outside heat exchanging part passes through the first solenoid valve and first The u interface of check valve linkage function module and the V interface for passing through the first solenoid valve and third check valve linkage function module；It is outdoor The S interface of side heat exchanging part passes through the 4th check valve and function mould by the first solenoid valve, the 8th solenoid valve and the 9th solenoid valve again The V interface of block connects；The EVI jet port of the Q interface connect compressor of functional module；The P interface of functional module passes through the 7th electricity The EVI jet port of magnet valve and heating power expansion valve connect compressor；

Indoor heat exchanger, indoor heat exchanger have M, N interface, and the u interface of functional module passes through second one-way valve and second Solenoid valve connects the N interface of indoor heat exchanger, and the V interface of functional module passes through the 4th check valve and second solenoid valve junction chamber The N interface of inside heat exchanger；The M interface of indoor heat exchanger is connect with the f interface of the second four-way valve；

Multifunctional heat exchanger, multifunctional heat exchanger have O, T interface and water inlet, water outlet, and the T interface of multifunctional heat exchanger is logical It crosses the 5th check valve or after the 6th check valve connect with the 4th solenoid valve, then passes through the u interface of second one-way valve and functional module Connection, or connected again by the 4th check valve and the V interface of functional module；The T interface of multifunctional heat exchanger is single by the 5th It is connect respectively with the first check valve and third check valve again after to valve and third solenoid valve；The O Interface of multifunctional heat exchanger and The a interface of one four-way valve connects；

Solar heat exchanger, solar heat exchanger include that water supplement port, refrigerant coil pipe, water temperature sensor, refrigerant inlet, refrigerant go out Circulation port under mouth, overflow port, solar energy upper cycling mouth, solar energy, solar energy upper cycling mouth respectively with the first water supply solenoid valve and One end of solar energy heating vacuum tube connects, and circulation port passes through solar energy circulating pump and solar energy heating vacuum tube under solar energy Other end connection；The other end of solar energy heating vacuum tube is connected by the water filling port of the second water supply solenoid valve and hot water storage tank； The water inlet of circulation port and multifunctional heat exchanger connects under the hot water of hot water storage tank, the water outlet and accumulation of heat water of multifunctional heat exchanger The hot water upper cycling mouth of case connects；The refrigerant exit of solar heat exchanger is connect with the i interface of third four-way valve；Solar heat-exchange The refrigerant inlet of device is connected by the u interface of the 5th solenoid valve, the 9th solenoid valve and second one-way valve and functional module, solar energy The refrigerant inlet of heat exchanger is connected by the 5th solenoid valve, the 9th solenoid valve and the 4th check valve and the V interface of functional module.

2. the cold solar energy of evaporation according to claim 1 and air heat source combined heat-pump recuperation of heat unit, which is characterized in that The hot water storage tank replaces with external heat source, and one end of external heat source and the water inlet of multifunctional heat exchanger connect, external heat source The other end and multifunctional heat exchanger water outlet connect.

3. the cold solar energy of evaporation according to claim 1 or 2 and air heat source combined heat-pump recuperation of heat unit, feature exist In the functional module includes fluid reservoir, device for drying and filtering, the first electric expansion valve, economizer, the second electric expansion valve, Six solenoid valves, the u interface of functional module are sequentially connected fluid reservoir, device for drying and filtering, economizer, the first electric expansion valve and V and connect Mouthful；Device for drying and filtering is sequentially connected the 6th solenoid valve, the second electric expansion valve, economizer and Q interface；Device for drying and filtering is also connected with P interface.

4. the cold solar energy of evaporation according to claim 1 or 2 and air heat source combined heat-pump recuperation of heat unit, feature exist In the outside heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray pump, header tank, first Function solenoid valve A, the second function solenoid valve B；Spray pump is set in header tank；Blower causes air flow through the table of air cooling heat exchanger Face, spray thrower to evaporation cold heat exchanger surface spraying cooling water；The R interface of outside heat exchanging part is sequentially connected evaporation cold heat exchanger Input end, evaporate outlet end, the input end of air cooling heat exchanger and the outlet end of air cooling heat exchanger of cold heat exchanger, evaporate and cold change The outlet end of hot device is also connected with the input end of the second function solenoid valve B, and the outlet end of air cooling heat exchanger is also connected with the first function electricity After the outlet end of the input end of magnet valve A, the outlet end of the second function solenoid valve B and the first function solenoid valve A is in parallel with outside The S interface of heat exchanging part connects.

5. the cold solar energy of evaporation according to claim 1 or 2 and air heat source combined heat-pump recuperation of heat unit, feature exist In the indoor heat exchanger replaces with multi-joint indoor units, and the multi-joint indoor units include including refrigerant finned heat exchanger With indoor blower, indoor blower causes air flow through the surface of refrigerant finned heat exchanger, refrigeration, heating for unit.

6. the cold solar energy of evaporation according to claim 3 and air heat source combined heat-pump recuperation of heat unit, which is characterized in that The functional module could alternatively be the second functional module: second functional module has U, V interface；The second function mould Block includes fluid reservoir, device for drying and filtering and the first electric expansion valve, and u interface is sequentially connected fluid reservoir, device for drying and filtering, the first electricity Sub- expansion valve and V interface.

7. the cold solar energy of evaporation according to claim 4 and air heat source combined heat-pump recuperation of heat unit, which is characterized in that The outside heat exchanging part replaces with heat exchanging part on the outside of second Room, and heat exchanging part has R, S interface on the outside of the second Room；Second Room Outside heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray pump, header tank, third function electromagnetism Valve C, the 4th function solenoid valve D；After the input end of the input end of third function solenoid valve C and the 4th function solenoid valve D are in parallel with The R interface connection of heat exchanging part on the outside of second Room, the input end of the outlet end connection air cooling heat exchanger of third function solenoid valve C, the The input end of the outlet end connection evaporation cold heat exchanger of four function solenoid valve D, the outlet end of air cooling heat exchanger and the cold heat exchange of evaporation It is connect after the outlet end of device is in parallel with the S interface of heat exchanging part on the outside of second Room.

8. the cold solar energy of evaporation according to claim 4 and air heat source combined heat-pump recuperation of heat unit, which is characterized in that The outside heat exchanging part replaces with third outside heat exchanging part, and third outside heat exchanging part has R, S interface；Third room Outside heat exchanging part includes blower, air cooling heat exchanger, evaporation cold heat exchanger, spray thrower, spray pump, header tank, five-function electromagnetism Valve E, the 6th function solenoid valve F；The input end of the R interface connection air cooling heat exchanger of third outside heat exchanging part, air cooling heat exchanger Outlet end connection evaporation cold heat exchanger input end, evaporate cold heat exchanger outlet end connect the 6th function solenoid valve import End, the outlet end of air cooling heat exchanger are also connected with the input end of five-function solenoid valve E, the outlet end of five-function solenoid valve E with It is connect after the outlet end of 6th function solenoid valve is in parallel with the S interface of third outside heat exchanging part.