CN105716324B

CN105716324B - The double heat source high-efficiency air-conditioning system being combined based on compression injection and application

Info

Publication number: CN105716324B
Application number: CN201610150915.XA
Authority: CN
Inventors: 孙方田; 程丽娇
Original assignee: Beijing University of Civil Engineering and Architecture
Current assignee: Beijing Huayuantaimeng Energy Saving Equipment Co Ltd
Priority date: 2016-03-16
Filing date: 2016-03-16
Publication date: 2017-10-17
Anticipated expiration: 2036-03-16
Also published as: CN105716324A

Abstract

The invention belongs to renewable energy utilization technical field, the double heat source high-efficiency air-conditioning system being more particularly to combined based on compression injection and application.Source pump, solution regeneration unit, heat-accumulator tank, user end and the valve that the system is combined by compression injection are constituted.The system is related to two kinds of different thermals source of temperature, by rationally realizing the Optimized Matching of high and low pressure heat exchanger using injector, meets machine unit in winter and recycles the demand of high and low temperature thermal source heat energy, and improves suction pressure of compressor；Thermal drivers jet type heat pump and electric driven compression formula pump coupled heat can be also realized by the switching of associated pipe and valve, solar energy can be made full use of in summer, power consumption is reduced；Refrigeration, heating load demand can be not only met, and the consumption of primary energy can be greatly reduced, the discharge capacity of pollutant is reduced, so as to reach the purpose of energy-saving and emission-reduction.

Description

The double heat source high-efficiency air-conditioning system being combined based on compression-injection and application

Technical field

It is more particularly to high based on double thermals source that compression-injection is combined the invention belongs to renewable energy utilization technical field Imitate air-conditioning system and application.

Background technology

With the fast development and the increasingly raising of living standards of the people of urbanization process, Chinese architecture energy consumption quickly increases It is long.At present, building energy consumption has accounted for 30% or so of social commodities total energy consumption, and wherein air-conditioning, heat supply energy consumption accounts for building total energy consumption 50%.North of China cold and severe cold area, when winter outdoor temperature is reduced, will cause evaporating temperature to reduce, cold medium flux Decline, cause heating effect poor, it is impossible to meet heat demand.Simultaneously in view of Chinese energy consumes present situation, solar energy is developed Etc. the technical measures that the low grade heat energy such as high-grade heat energy and air energy is building energy conservation.Use which kind of technology and equip with It is efficiently technical barrier urgently to be resolved hurrily at present using solar energy, air energy etc..

The content of the invention

It is an object of the invention to provide the double heat source high-efficiency air-conditioning system being combined based on compression-injection and application, specific skill Art scheme is as follows：

A kind of double heat source high-efficiency air-conditioning system being combined based on compression-injection, the heat that the system is combined by compression-injection Pump assembly, solution regeneration unit, heat-accumulator tank, user end and valve composition；

The source pump is by compressor, injector, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the first working medium Tank, the second working medium tank, the first expansion valve, the second expansion valve, the 3rd expansion valve, the first valve, the second valve and the 3rd valve group Into；Wherein, compressor outlet is connected with a mouths of the second valve, and compressor outlet also passes through the work of the first valve and injector Fluid intake is connected；D mouths and the 3rd heat exchanger, the working medium tank of second valve are sequentially connected, in the import and export two of the first working medium tank An end pipeline in parallel, and the 3rd expansion valve is installed；The b mouths of second valve and the second heat exchanger, the second working medium tank successively phase Even, in an import and export two ends pipeline in parallel for the second working medium tank, and the first expansion valve is installed；First working medium tank and second After the connection of working medium tank, then it is sequentially connected with the second expansion valve, First Heat Exchanger, the 3rd valve, then with the mixed flow of injector Body outlet, suction port of compressor connection, the c mouths of the second valve are connected with the driving fluid entrance of injector；

The solution regenerates unit by solution regenerator, solar thermal collector, the 4th heat exchanger, the 5th heat exchanger, first Solvent pump, the second water pump, the 11st valve and the 12nd valve composition；Wherein, solar thermal collector heating agent outlet passes through the tenth One valve is connected with solution regenerator heating agent entrance, and the outlet of solution regenerator heating agent passes through the second water pump and solar thermal collector heat Matchmaker's entrance is connected；The concentrated solution outlet of solution regenerator is connected by the 12nd valve with the concentrated solution entrance of the 4th heat exchanger, The concentrated solution outlet of 4th heat exchanger is connected with the concentrated solution entrance of the 5th heat exchanger, and the concentrated solution outlet of the 5th heat exchanger is with using Family end is connected, and is absorbed in user end after the weak solution that moisture becomes, then is connected with the weak solution entrance of the 4th heat exchanger, the The weak solution outlet of four heat exchangers is connected with the weak solution entrance of solution regenerator；

The outlet of solar thermal collector heating agent is connected by the tenth valve with the heat transferring medium outlet of First Heat Exchanger, and first changes The heat transferring medium entrance of hot device passes sequentially through the 9th valve, the second water pump and is connected with solar thermal collector heating agent entrance；

The heat transferring medium outlet of user end is divided into two-way after passing through water pump, all the way through the 5th valve and the second heat exchanger, Heat-accumulator tank is sequentially connected, and in the two ends of a heat-accumulator tank pipeline in parallel, and installs the 4th valve；Another valves of Lu Jing six and One heat exchanger, the 8th valve are sequentially connected；And the outlet of heat-accumulator tank connects with the 8th valve, user end heat transferring medium entrance respectively Connect；A pipeline is connected between the heat transferring medium outlet of First Heat Exchanger and the heat transferring medium entrance of the second heat exchanger, and is pacified Fill the 7th valve.

The application that above-mentioned double heat source high-efficiency air-conditioning system is freezed or heated, including following four working method：

(1) under cooling condition, compressor isolated operation；

Now, working medium flow is：First valve, the b mouths of the second valve and c mouthfuls, the first expansion valve, the 3rd expansion valve are closed Close, a mouths of the second valve and d mouthfuls of openings；First Heat Exchanger is used as condenser as evaporator, the 3rd heat exchanger；Working substance steam Leave after compressor, a mouths through the second valve enter the 3rd heat exchanger with d mouthfuls, cooling is condensed into liquid in the 3rd heat exchanger Enter the first working medium tank afterwards, liquid refrigerant enters First Heat Exchanger after being depressured through the second expansion valve, with coming in First Heat Exchanger Exchanged heat evaporation from the backwater of user end, generate low-temp low-pressure working substance steam, into compressor second compression, so circulation again；

Low temperature Water flow-path is：4th valve, the 5th valve, the 7th valve are closed, and the 6th valve, the 8th valve are opened, and are used The backwater of family end sends into First Heat Exchanger through the first water pump, and user end is returned to after working medium absorbing and cooling temperature；

High temperature Water flow-path：11st valve, the 12nd valve are opened, and the 9th valve, the tenth valve are closed, by solar energy collection The high-temperature water flowed out in hot device enters solution regenerator entrance, and heat dilute solution makes the moisture evaporation in weak solution become dense molten Liquid, the water after cooling afterwards returns to solar thermal collector；

Dehumidification solution flow：The lithium bromide concentrated solution flowed out in solution regenerator enters the 4th heat exchanger and user end Dehumidifying finish after lithium bromide weak solution heat exchange cooling, into the 5th heat exchanger continue cool, subsequently into user end to Family is dehumidified, and the lithium bromide weak solution after dehumidifying is pumped into solution regenerator after entering the heating of the 4th heat exchanger by the first solvent Again lithium bromide concentrated solution is produced；

(2) under cooling condition, compressor and injector combined running；

Now, working medium flow is：First valve, the second valve, the 3rd valve, the first expansion valve, the second expansion valve are opened, 3rd expansion valve is closed, and the second working medium tank is closed；First Heat Exchanger evaporates as high pressure evaporator, the second heat exchanger as low pressure Device, the 3rd heat exchanger is used as condenser；Working substance steam is divided into two-way from compressor outlet：Pass through a mouths and d of the second valve all the way Mouthful enter the 3rd heat exchanger, cooling, which is condensed into after liquid, in the 3rd heat exchanger enters the first working medium tank, and liquid refrigerant is from first Two-way is further divided into after the outflow of working medium tank, enters First Heat Exchanger after the decompression of the second expansion valve all the way, in First Heat Exchanger Exchange heat and evaporate with the backwater from user end, generate low-temp low-pressure working substance steam, another road is after the decompression of the first expansion valve The second heat exchanger is accessed, and the evaporation that exchanged heat in the second heat exchanger with the backwater from user end, generate low-temp low-pressure working medium Steam, passes through the b mouths and the driving fluid entrance of c mouthfuls of access injectors of the second valve；Another road separated from compressor outlet Working-fluid intaking of the working medium through the first valve access injector, low-temp low-pressure working substance steam of the injection from the second heat exchanger, Two-way working medium is exported after being mixed in injector from injector to flow out, and is converged again with the working substance steam from First Heat Exchanger afterwards Close, into compressor second compression again, so circulation；

Low temperature Water flow-path is cascade：4th valve, the 6th valve, the 7th valve are opened, the 5th valve, the 8th valve Door, the 9th valve, the tenth valve are closed, and the backwater of user end sends into First Heat Exchanger through the first water pump, are absorbed heat and are dropped by working medium Further cool into the second heat exchanger after temperature, then return to user end；

Or parallel form：4th valve, the 5th valve, the 6th valve, the 8th valve open, the 7th valve, the 9th valve, Tenth valve is closed, and the backwater of user end is divided into two-way：Enter First Heat Exchanger heat release cooling all the way, another road enters second Heat exchanger heat release cools, and the water at low temperature after two-way cooling returns to user end after converging；

(3) under heating condition, compressor isolated operation；

Now, working medium flow is：Second expansion valve, a mouths of the second valve and b mouthfuls, the 3rd valve are opened, the second working medium tank Open, the first expansion valve, the 3rd expansion valve, the first valve, the c mouths of the second valve and d mouthfuls of closings, the first working medium tank are closed；The One heat exchanger is evaporator, and the second heat exchanger is condenser；Working substance steam is left after compressor, by a mouths and b of the second valve Mouth enters the second heat exchanger, and heat release in the second heat exchanger cools, is condensed into after liquid into the second working medium tank, liquid refrigerant warp Enter First Heat Exchanger after crossing the decompression of the second expansion valve, the heat from solar thermal collector high-temperature water is absorbed in First Heat Exchanger Amount evaporation, the working substance steam of generation enters compressor second compression again, so circulation；

Middle warm water flow：4th valve, the 5th valve are opened, and the 6th valve, the 7th valve, the 8th valve are closed, user After end backwater sends into the absorption heat heating of the second heat exchanger through the first water pump, user end is returned to；

High temperature Water flow-path：9th valve, the tenth valve are opened, and the 11st valve, the 12nd valve are closed, by the first heat exchange The backwater of device outflow sends into solar thermal collector through the second water pump, and First Heat Exchanger is returned after absorbing solar temperature rising；

(4) under heating condition, compressor and injector combined running；

Now, working medium flow is：First valve, the second valve, the 3rd valve, the second expansion valve, the 3rd expansion valve are opened, First expansion valve is closed, and the first working medium tank is closed, and First Heat Exchanger is that high pressure evaporator, the second heat exchanger are condenser, the 3rd Heat exchanger is low pressure evaporator；Working substance steam is divided into two-way from compressor outlet：Enter all the way by a mouths and b mouthfuls of the second valve Enter the second heat exchanger, in the second heat exchanger heat release cooling, be condensed into after liquid and enter the second working medium tank, liquid refrigerant is from second Two-way is further divided into after the outflow of working medium tank：Enter First Heat Exchanger after the decompression of the second expansion valve all the way, working medium is in the first heat exchange Evaporated in device with the high-temperature water heat exchange from solar thermal collector, generate working substance steam, another road is depressured by the 3rd expansion valve Enter the 3rd heat exchanger afterwards, and outdoor Cryogenic air heat energy evaporation is absorbed in the 3rd heat exchanger, generate low-temp low-pressure working medium and steam Vapour, passes through the d mouths and the driving fluid entrance of c mouthfuls of access injectors of the second valve；Another road work separated from compressor outlet Matter accesses the Working-fluid intaking of injector, low pressure working fluid steam of the injection from the 3rd heat exchanger, two-way work through the first valve Matter is exported after being mixed in injector from injector to flow out, and converges again with the working substance steam from First Heat Exchanger afterwards, enters Compressor second compression again, so circulation；

High temperature Water flow-path：9th valve, the tenth valve are opened, and the 11st valve, the 12nd valve are closed, by the first heat exchange The backwater of device outflow sends into solar thermal collector through the second water pump, and First Heat Exchanger is returned after absorbing solar temperature rising.

Present invention also offers the double heat source high-efficiency air-conditioning system that another is combined based on compression-injection, the system It is made up of the source pump being combined based on compression-injection, solution regeneration unit, heat-accumulator tank, user end and valve；

The source pump is by compressor, injector, closed cooling tower, First Heat Exchanger, the second heat exchanger, the 3rd heat exchange Device, working medium tank, the first expansion valve, the first valve and the second valve composition；Wherein, compressor outlet is connected with the 3rd heat exchanger, Compressor outlet is also connected by the first valve with the Working-fluid intaking of injector；The outlet of 3rd heat exchanger and working medium tank phase Even, two-way is then separated into, is connected all the way by the first expansion valve with the second heat exchanger, injector driving fluid is accessed afterwards and is entered Mouthful；It is connected all the way by the second expansion valve with First Heat Exchanger, compressor is returned by the second valve；The fluid-mixing of injector Outlet is connected with the entrance of compressor；

The solution regenerates unit by solution regenerator, solar thermal collector, the 4th heat exchanger, the 5th heat exchanger, the 4th Solvent pump, the 3rd solvent pump, the 13rd valve, the 14th valve and the 15th valve composition；Wherein, solar thermal collector heating agent Outlet passes sequentially through the 3rd solvent pump, the 13rd valve and is connected with solution regenerator heating agent entrance, the outlet of solution regenerator heating agent It is connected by the 14th valve with solar thermal collector heating agent entrance；The concentrated solution outlet of solution regenerator passes through the 15th valve It is connected with the concentrated solution entrance of the 4th heat exchanger, the concentrated solution outlet of the 4th heat exchanger and the concentrated solution entrance phase of the 5th heat exchanger Even, the concentrated solution of the 5th heat exchanger outlet is connected with user end, after user end absorption moisture becomes weak solution, then with the The weak solution entrances of four heat exchangers is connected, and the weak solution outlet of the 4th heat exchanger is dilute by the 4th solvent pump and solution regenerator Solution inlet is connected；

The outlet of solar thermal collector heating agent passes sequentially through the 3rd solvent pump, the 12nd valve, and First Heat Exchanger is accessed afterwards Heat transferring medium outlet, the heat transferring medium entrance of First Heat Exchanger passes through the 11st valve and solar thermal collector heating agent entrance phase Even；

User's end outlet and the first solvent pump, the c mouths of the 4th valve, d mouthfuls, the 3rd heat exchanger, heat-accumulator tank, the 5th valve F mouths, g mouthfuls be sequentially connected, accessing user's tip inlet afterwards in the two ends of a heat-accumulator tank pipeline in parallel, and installs the 3rd Valve；A mouth of the e mouths of 5th valve successively with closed cooling tower, the second solvent pump, the 4th valve is connected；The b mouths of 4th valve It is sequentially connected all the way by the h mouths of the 7th valve and the second heat exchanger, the 8th valve, the 5th valve, another road passes through the 6th valve The h mouths of door and First Heat Exchanger, the 9th valve, the 5th valve are sequentially connected；In the heat transferring medium outlet and the of First Heat Exchanger The heat transferring medium entrance of two heat exchangers connects a pipeline, and installs the tenth valve.

The application that another described double heat source high-efficiency air-conditioning system is freezed or heated, including following four work Mode：

(1) under cooling condition, compressor isolated operation；

Now, working medium flow is：First valve, the first expansion valve are closed, and the second expansion valve is opened；Working substance steam is from compression The 3rd heat exchanger entrance of machine outlet access, cooled in the 3rd heat exchanger by the low-temperature glycol solution from closed cooling tower, It is condensed into after liquid and enters working medium tank, liquid refrigerant enters heat exchanger I after being depressured through the second expansion valve, with coming in heat exchanger I Exchange heat and evaporate from the ethylene glycol solution of user end, the low-temp low-pressure working substance steam of generation enters compressor second compression again, so Circulation；

Low-temperature glycol solution flow is：The b mouths of 4th valve and c mouthfuls, the g mouths of the 5th valve and h mouthfuls, the 6th valve, 9th valve is opened, and the 7th valve, the 8th valve, the tenth valve are closed；Ethylene glycol solution is sent into first by the first solvent pump Heat release cools in heat exchanger, and the ethylene glycol solution of low temperature again returns to user end refrigeration；

Middle temperature ethylene glycol solution flow is：The a mouths of 4th valve and d mouthfuls, the e mouths of the 5th valve and f mouthfuls of openings, second is molten Ethylene glycol solution after agent pump will be cooled down by closed cooling tower is sent into the 3rd heat exchanger, with being returned to after working medium heat exchange heating again Closed cooling tower；

High temperature glycol solution flow is：13rd valve, the 14th valve are opened, the 11st valve, the 12nd valve Close, the high temperature glycol solution flowed out in solar thermal collector enters solution regenerator, and heat dilute solution makes in solution Moisture evaporation becomes have absorbent concentrated solution, and the heating agent after cooling afterwards returns to solar thermal collector and absorbs the sun again Can heating；

Dehumidification solution flow：The lithium bromide concentrated solution flowed out in solution regenerator enters the 4th heat exchanger and user end Dehumidifying finish after lithium bromide weak solution heat exchange cooling, into the 5th heat exchanger continue cool, subsequently into user end to Family is dehumidified, and the lithium bromide weak solution after dehumidifying is pumped into solution regenerator after entering the heating of the 4th heat exchanger by the 4th solvent Again lithium bromide concentrated solution is produced；

(2) under cooling condition, compressor and injector combined running；

Now, working medium flow is：First valve, the second valve, the first expansion valve, the second expansion valve are opened；Working substance steam It is divided into two-way from compressor outlet：Enter the 3rd heat exchanger all the way, cooling, which is condensed into after liquid, in the 3rd heat exchanger enters work Matter tank, liquid refrigerant is further divided into two-way after the outflow of working medium tank, enters First Heat Exchanger after the decompression of the second expansion valve all the way, Evaporated in First Heat Exchanger with the ethylene glycol solution heat exchange from user end, generate low-temp low-pressure working substance steam, Ling Yilu Access the second heat exchanger after the decompression of the first expansion valve, and in the second heat exchanger with the ethylene glycol solution from user end Heat exchange evaporation, generates low-temp low-pressure working substance steam, accesses the driving fluid entrance of injector；From compressor outlet separate it is another Road working medium accesses the Working-fluid intaking of injector through the first valve, and low-temp low-pressure working medium of the injection from the second heat exchanger is steamed Vapour, two-way working medium mixed in injector after from injector export flow out, afterwards again with the working substance steam from First Heat Exchanger Converge, into compressor second compression again, so circulation；

Low-temperature glycol solution flow is cascade：The b mouths of 4th valve and c mouthfuls, the g mouths of the 5th valve and h mouthfuls, the Six valves, the 8th valve, the tenth valve are opened, and the 7th valve, the 9th valve are closed, the ethylene glycol solution after the heat absorption of user end By the first solvent pump by the b mouths of the 4th valve and c mouthfuls of feeding First Heat Exchangers, after working medium absorbing and cooling temperature, pass through the tenth valve Door further cools into the second heat exchanger, returns to user end by the 8th valve, the h mouths of the 5th valve and g mouthfuls afterwards；

Or parallel form：The b mouths of 4th valve and c mouthfuls, the g mouths of the 5th valve and h mouthfuls, the 6th valve, the 7th valve, the Eight valves, the 9th valve are opened, and the tenth valve is closed, and the ethylene glycol solution after the heat absorption of user end is divided into two through the first solvent pump Road：Enter First Heat Exchanger heat release cooling all the way, another road cools into the second heat exchanger heat release, the low temperature second after two-way cooling After glycol solution is converged, user end is returned to by the h mouths of the 5th valve and g mouthfuls；

High temperature glycol solution flow is：13rd valve, the 14th valve are opened, the 11st valve, the 12nd valve Close, the high temperature glycol solution flowed out in solar thermal collector enters solution regenerator, and heat dilute solution makes in solution Moisture evaporation becomes have absorbent concentrated solution, and the heating agent after cooling afterwards returns to solar thermal collector；

(3) under heating condition, compressor isolated operation；

Now, working medium flow is：First valve, the first expansion valve are closed, and the second expansion valve is opened；Working substance steam is from compression Machine outlet access the 3rd heat exchanger entrance, in the 3rd heat exchanger by from user end middle temperature ethylene glycol solution cooling, it is cold Congeal into and enter working medium tank after liquid, liquid refrigerant enters First Heat Exchanger after being depressured through the second expansion valve, in First Heat Exchanger Exchange heat and evaporate with the ethylene glycol solution from solar thermal collector, the low-temp low-pressure working substance steam of generation is pressed again into compressor Contracting, so circulation；

Middle temperature ethylene glycol solution flow is：3rd valve, the c mouths of the 4th valve and d mouthfuls, the f mouths of the 5th valve and g mouthfuls are beaten Open；First solvent pump, which sends into ethylene glycol solution to absorb heat in the 3rd heat exchanger, to be heated up, and user end is returned to afterwards and is heated；

High temperature glycol solution flow is：11st valve, the 12nd valve are opened, the 13rd valve, the 14th valve Close；The high temperature glycol solution flowed out by solar thermal collector enters First Heat Exchanger, and solar energy collection is returned after heat release cooling Hot device；

(4) under heating condition, compressor and injector combined running；

Now, working medium flow is：First valve, the second valve, the first expansion valve, the second expansion valve are opened；Working substance steam It is divided into two-way from compressor outlet：Enter the 3rd heat exchanger all the way, cooling, which is condensed into after liquid, in the 3rd heat exchanger enters work Matter tank, liquid refrigerant is further divided into two-way after the outflow of working medium tank, enters First Heat Exchanger after the decompression of the second expansion valve all the way, Evaporated in First Heat Exchanger with the ethylene glycol solution heat exchange from solar thermal collector, generate low-temp low-pressure working substance steam, separately Access the second heat exchanger after the decompression of the first expansion valve all the way, and in the second heat exchanger with the second two from closed cooling tower Alcoholic solution heat exchange evaporation, generates low-temp low-pressure working substance steam, accesses the driving fluid entrance of injector；Separated from compressor outlet Another road working medium through the first valve access injector Working-fluid intaking, low-temp low-pressure work of the injection from the second heat exchanger Matter steam, two-way working medium mixed in injector after from injector export flow out, afterwards again with the working medium from First Heat Exchanger Steam converges, into compressor second compression, so circulation again；

Low-temperature glycol solution flow is：The a mouths of 4th valve and b mouthfuls, the e mouths of the 5th valve and h mouthfuls, the 7th valve, 8th valve is opened, and the 6th valve, the 9th valve, the tenth valve are closed, and the second solvent pump will be absorbed in closed cooling tower The ethylene glycol solution of outdoor low-temperature air energy after heat release cooling by a mouths of the 4th valve and b mouthfuls of the second heat exchangers of feeding, leading to The h mouths for crossing four-way valve V5 and e mouthfuls are returned in closed cooling tower；

High temperature glycol solution flow is：11st valve, the 12nd valve are opened, the 13rd valve, the 14th valve Close；The high temperature glycol solution flowed out by solar thermal collector enters First Heat Exchanger, and solar energy collection is returned after heat release cooling Hot device.

Beneficial effects of the present invention are：

The double heat source high-efficiency air-conditioning system being combined based on compression-injection, is related to two kinds of different thermals source of temperature, and by closing Reason realizes the Optimized Matching of high and low pressure heat exchanger using injector, meets machine unit in winter and recycles high and low temperature thermal source heat energy Demand, and improve suction pressure of compressor；The system can also realize that thermal drivers spray by the switching of associated pipe and valve Formula heat pump and electric driven compression formula pump coupled heat, solar energy can be made full use of in summer, reduce power consumption；It can not only meet Refrigeration, heating load demand, and the consumption of primary energy can be greatly reduced, the discharge capacity of pollutant is reduced, so as to reach The purpose of energy-saving and emission-reduction.

Using double heat source high-efficiency air-conditioning system of the present invention, winter effectively can be used as Low Temperature Thermal by the use of outdoor air Source, improves the efficiency and heating capacity of heat pump；Summer rationally can realize dual temperature system using two different heat exchangers of pressure It is cold, meet the temperature requirement of air-conditioned room, it is possibility to have the humidity of effect control air-conditioned room；Simultaneously effectively by the use of solar energy as High temperature heat source promotes system high efficiency to run, so as to improve the performance of the air-conditioning system.

Brief description of the drawings

Fig. 1 is the composition and pipeline connecting mode of system described in the embodiment of the present invention 1；

Fig. 2 is composition and pipeline connection side of the system described in the embodiment of the present invention 1 under cooling condition, water system in series connection Formula；

Fig. 3 is composition and pipeline connection side of the system described in the embodiment of the present invention 1 under cooling condition, water system parallel connection Formula；

Fig. 4 is composition and pipeline connecting mode of the system described in the embodiment of the present invention 1 under heating condition；

Fig. 5 is the composition and pipeline connecting mode of system described in the embodiment of the present invention 2；

Fig. 6 is composition and pipeline of the system described in the embodiment of the present invention 2 under cooling condition, ethylene glycol solution Cascade System Connected mode；

Fig. 7 is composition and pipeline of the system described in the embodiment of the present invention 2 under cooling condition, ethylene glycol solution system parallel connection Connected mode；

Fig. 8 is composition and pipeline connecting mode of the system described in the embodiment of the present invention 2 under heating condition；

The concrete meaning of each label is in figure：

I-First Heat Exchangers of HE, the heat exchangers of HE II-the second, the heat exchangers of HE III-the three, the heat exchangers of HE IV-the four, HE V-the five heat exchanger；CCT-closed cooling tower；

EJE-injector；COM-compressor；The working medium of T1-first tank, the working medium of T2-second tank, T-working medium tank；

UE-user end；SC-solar thermal collector；LRU-solution regenerator；

The water pumps of Pw1-first, the water pumps of Pw2-second；SHP-heat-accumulator tank；

P_L1-the first solvent pump, P_L2-the second solvent pump, P_L3-the three solvent pump, P_L4-the four solvent pump；

The expansion valves of Vt1-first, the expansion valves of Vt2-second, the expansion valves of Vt3-the 3rd；Valve~the of V1~V15-first 15 valves.

Embodiment

The invention provides it is a kind of based on compression-injection be combined double heat source high-efficiency air-conditioning system and application, with reference to The present invention will be further described for the drawings and specific embodiments.

Embodiment 1

As shown in figure 1, a kind of double heat source high-efficiency air-conditioning system being combined based on compression-injection of the present invention, by compression-spray Penetrate compound source pump, solution regeneration unit, heat-accumulator tank, user end and valve composition；

The source pump is by compressor, injector, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the first working medium Tank, the second working medium tank, the first expansion valve, the second expansion valve, the 3rd expansion valve, the first valve, the second valve and the 3rd valve group Into；Wherein, compressor outlet is connected with a mouths of the second valve, and compressor outlet also passes through the work of the first valve and injector Fluid intake is connected；The d mouths of second valve are sequentially connected with the 3rd heat exchanger, the first working medium tank, the first working medium tank into and out of A mouth two ends pipeline in parallel, and the 3rd expansion valve is installed；The b mouths of second valve and the second heat exchanger, the second working medium tank according to It is secondary to be connected, in the import and export two ends of a second working medium tank pipeline in parallel, and the first expansion valve is installed；First working medium tank and After the connection of second working medium tank, then it is sequentially connected with the second expansion valve, First Heat Exchanger, the 3rd valve, it is then mixed with injector Fluid issuing, suction port of compressor connection are closed, the c mouths of the second valve are connected with the driving fluid entrance of injector；

The application freezed or heated using double heat source high-efficiency air-conditioning system as described above, including following four work Make mode：

(1) under cooling condition, compressor isolated operation；

Dehumidification solution flow：The lithium bromide concentrated solution flowed out in solution regenerator enters the 4th heat exchanger and user end Dehumidifying finish after lithium bromide weak solution heat exchange cooling, into the 5th heat exchanger continue cool, subsequently into user end to Family is dehumidified, and the lithium bromide weak solution after dehumidifying is pumped into solution regenerator again after entering the heating of the 4th heat exchanger by solution Produce lithium bromide concentrated solution；

(2) under cooling condition, compressor and injector combined running；

Low temperature Water flow-path is cascade (as shown in Figure 2)：4th valve, the 6th valve, the 7th valve are opened, the 5th valve Door, the 8th valve, the 9th valve, the tenth valve are closed, and the backwater of user end sends into First Heat Exchanger through the first water pump, by work Further cool into the second heat exchanger after matter absorbing and cooling temperature, then return to user end；

Or parallel form (as shown in Figure 3)：4th valve, the 5th valve, the 6th valve, the 8th valve are opened, the 7th valve Door, the 9th valve, the tenth valve are closed, and the backwater of user end is divided into two-way：Enter First Heat Exchanger heat release cooling all the way, separately Enter the second heat exchanger heat release all the way to cool, the water at low temperature after two-way cooling returns to user end after converging；

High temperature Water flow-path：Same working method (1)；

Dehumidification solution flow：Same working method (1)；

(3) under heating condition, compressor isolated operation (as shown in Figure 4)；

(4) under heating condition, compressor and injector combined running；

Middle warm water flow：Same working method (3)；

High temperature Water flow-path：Same working method (3).

Embodiment 2

As shown in figure 5, the present invention another based on compression-injection be combined double heat source high-efficiency air-conditioning system, by based on The compound source pump of compression-injection, solution regeneration unit, heat-accumulator tank, user end and valve composition；

The source pump is by compressor, injector, closed cooling tower, First Heat Exchanger, the second heat exchanger, the 3rd heat exchange Device, working medium tank, the first expansion valve, the second expansion valve, the first valve and the second valve composition；Wherein, compressor outlet and the 3rd Heat exchanger is connected, and compressor outlet is also connected by the first valve with the Working-fluid intaking of injector；3rd heat exchanger goes out Mouth is connected with working medium tank, is then separated into two-way, is connected all the way by the first expansion valve with the second heat exchanger, injector is accessed afterwards Driving fluid entrance；It is connected all the way by the second expansion valve with First Heat Exchanger, compressor is returned by the second valve；Injector Fluid-mixing outlet be connected with the entrance of compressor；

(1) under cooling condition, compressor isolated operation；

Dehumidification solution flow is：The lithium bromide concentrated solution flowed out in solution regenerator enters the 4th heat exchanger and user end Lithium bromide weak solution heat exchange after end dehumidifying is finished cools, and continues to cool into the 5th heat exchanger, subsequently into user end pair User is dehumidified, and the lithium bromide weak solution after dehumidifying is pumped into solution regeneration after being heated up into the 4th heat exchanger by the 4th solvent Think highly of and newly produce lithium bromide concentrated solution；

(2) under cooling condition, compressor and injector combined running；

Now, working medium flow is：First valve, the second valve, the first expansion valve, the second expansion valve are opened；Working substance steam It is divided into two-way from compressor outlet：Enter the 3rd heat exchanger all the way, cooling, which is condensed into after liquid, in the 3rd heat exchanger enters work Matter tank, liquid refrigerant is further divided into two-way after the outflow of working medium tank, enters First Heat Exchanger after the decompression of the second expansion valve all the way, Evaporated in First Heat Exchanger with the ethylene glycol solution heat exchange from user end, generate low-temp low-pressure working substance steam, Ling Yilu Access the second heat exchanger after the decompression of the first expansion valve, and in the second heat exchanger with the ethylene glycol solution from user end Heat exchange evaporation, generates low-temp low-pressure working substance steam, accesses the driving fluid entrance of injector；From compressor outlet separate it is another Road working medium accesses the Working-fluid intaking of injector through the first valve, and low-temp low-pressure working medium of the injection from the second heat exchanger is steamed Vapour, two-way working medium mixed in injector after from injector export flow out, afterwards again with the working substance steam from First Heat Exchanger Mixing, into compressor second compression again, so circulation；

Low-temperature glycol solution flow is cascade (as shown in Figure 6)：The b mouths of 4th valve and c mouthfuls, the 5th valve G mouthfuls are opened with h mouthfuls, the 6th valve, the 8th valve, the tenth valve, and the 7th valve, the 9th valve are closed, after the heat absorption of user end Ethylene glycol solution First Heat Exchangers are sent into by the b mouths of the 4th valve and c mouthful by the first solvent pump, by working medium absorbing and cooling temperature Afterwards, further cooled into the second heat exchanger by the tenth valve, returned afterwards by the 8th valve, the h mouths of the 5th valve and g mouthfuls Return to user end；

Or parallel form (as shown in Figure 7)：The b mouths of 4th valve and c mouthfuls, the g mouths of the 5th valve and h mouthfuls, the 6th valve, 7th valve, the 8th valve, the 9th valve are opened, and the tenth valve is closed, and the ethylene glycol solution after the heat absorption of user end is through first Solvent pump is divided into two-way：Enter First Heat Exchanger heat release cooling all the way, another road cools into the second heat exchanger heat release, two-way drop After low-temperature glycol solution after temperature converges, user end is returned to by the h mouths of the 5th valve and g mouthfuls；

Middle temperature ethylene glycol solution flow is：Same working method (1)；

High temperature glycol solution flow is：Same working method (1)；

Dehumidification solution flow is：Same working method (1)；

(3) under heating condition, compressor isolated operation；

When some time etching system heating load is more than moment user's thermic load, then valve V3 is closed, and middle temperature ethylene glycol is molten Liquid is stored into heat-accumulator tank, and heat supply can be carried out with this partial heat when load is relatively low so that high efficiency of energy is utilized, and reaches section The effect of energy；

(4) under heating condition, compressor and injector combined running (as shown in Figure 8)；

Middle temperature ethylene glycol solution flow is：Same working method (3)；

High temperature glycol solution flow is：Same working method (3).

Claims

1. a kind of double heat source high-efficiency air-conditioning system being combined based on compression-injection, it is characterised in that the system is by compression-spray Penetrate compound source pump, solution regeneration unit, heat-accumulator tank (SHP), user end (UE) and valve composition；

The source pump is by compressor (COM), injector (EJE), First Heat Exchanger (HE I), the second heat exchanger (HE II), Three heat exchangers (HE III), the first working medium tank (T1), the second working medium tank (T2), the first expansion valve (Vt1), the second expansion valve (Vt2), 3rd expansion valve (Vt3), the first valve (V1), the second valve (V2) and the 3rd valve (V3) composition；Wherein, compressor (COM) Outlet is connected with a mouths of the second valve (V2), and compressor (COM) outlet also passes through the first valve (V1) and injector (EJE) Working-fluid intaking is connected；The d mouths of second valve (V2) are sequentially connected with the 3rd heat exchanger (HE III), the first working medium tank (T1), In the import and export two ends of the first working medium tank (T1) pipeline in parallel, and the 3rd expansion valve (Vt3) is installed；Second valve (V2) b mouths are sequentially connected with the second heat exchanger (HE II), the second working medium tank (T2), in the import and export of the second working medium tank (T2) One pipeline of two ends parallel connection, and the first expansion valve (Vt1) is installed；First working medium tank (T1) and the connection of the second working medium tank (T2) Afterwards, then with the second expansion valve (Vt2), First Heat Exchanger (HE I), the 3rd valve (V3) it is sequentially connected, then with injector (EJE) Fluid-mixing outlet, the connection of compressor (COM) entrance, the driving fluid of the c mouths and injector (EJE) of the second valve (V2) enters Mouth connection；

The solution regenerates unit by solution regenerator (LRU), solar thermal collector (SC), the 4th heat exchanger (HE IV), the 5th Heat exchanger (HE V), the first solvent pump (P_L1), the second water pump (P_W2), the 11st valve (V11) and the 12nd valve (V12) group Into；Wherein, solar thermal collector (SC) heating agent outlet passes through the 11st valve (V11) and solution regenerator (LRU) heating agent entrance Connection, solution regenerator (LRU) heating agent outlet passes through the second water pump (P_W2) it is connected with solar thermal collector (SC) heating agent entrance； The concentrated solution entrance that the concentrated solution outlet of solution regenerator (LRU) passes through the 12nd valve (V12) and the 4th heat exchanger (HE IV) It is connected, the concentrated solution outlet of the 4th heat exchanger (HE IV) is connected with the concentrated solution entrance of the 5th heat exchanger (HE V), the 5th heat exchange The concentrated solution outlet of device (HE V) is connected with user end (UE), after user end (UE) absorbs the weak solution that moisture becomes, The weak solution entrance with the 4th heat exchanger (HE IV) is connected again, the weak solution outlet of the 4th heat exchanger (HE IV) and solution regenerator (LRU) weak solution entrance is connected；

The outlet of solar thermal collector (SC) heating agent is exported by the heat transferring medium of the tenth valve (V10) and First Heat Exchanger (HE I) It is connected, the heat transferring medium entrance of First Heat Exchanger (HE I) passes sequentially through the 9th valve (V9), the second water pump (P_WAnd solar energy 2) Heat collector (SC) heating agent entrance is connected；

The heat transferring medium outlet of user end (UE) passes through the first water pump (P_W1) be divided into two-way after, all the way through the 5th valve (V5) with Second heat exchanger (HE II), heat-accumulator tank (SHP) are sequentially connected, in the two ends of heat-accumulator tank (SHP) pipeline in parallel, and install the Four valves (V4)；Another valves of Lu Jing six (V6) are sequentially connected with First Heat Exchanger (HE I), the 8th valve (V8)；And accumulation of heat The outlet of tank (SHP) is connected with the 8th valve (V8), user end (UE) heat transferring medium entrance respectively；In First Heat Exchanger (HE I) the 7th valve is installed with being connected a pipeline between the heat transferring medium entrance of the second heat exchanger (HE II) in heat transferring medium outlet Door (V7).

2. the application that the double heat source high-efficiency air-conditioning system described in a kind of claim 1 is freezed or heated, it is characterised in that Including following four working method：

(1) under cooling condition, compressor (COM) isolated operation；

Now, working medium flow is：First valve (V1), the b mouths of the second valve (V2) and c mouthfuls, the first expansion valve (Vt1), the 3rd Expansion valve (Vt3) is closed, a mouths of the second valve (V2) and d mouthfuls of openings；Working substance steam is left after compressor (COM), through the second valve The a mouths of door (V2) enter the 3rd heat exchanger (HE III) with d mouthfuls, and cooling enters after being condensed into liquid in the 3rd heat exchanger (HE III) First working medium tank (T1), liquid refrigerant enters First Heat Exchanger (HE I) after being depressured through the second expansion valve (Vt2), in the first heat exchange Evaporated in device (HE I) with the backwater heat exchange from user end (UE), low-temp low-pressure working substance steam is generated, into compressor (COM) second compression again, so circulation；

Low temperature Water flow-path is：4th valve (V4), the 5th valve (V5), the 7th valve (V7) are closed, the 6th valve (V6), the 8th Valve (V8) is opened, and the backwater of user end (UE) is through the first water pump (P_w1) feeding First Heat Exchanger (HE I), is absorbed heat by working medium User end (UE) is returned to after cooling；

High temperature Water flow-path：11st valve (V11), the 12nd valve (V12) are opened, the 9th valve (V9), the tenth valve (V10) Close, the high-temperature water of outflow enters solution regenerator (LRU) heat dilute solution in solar thermal collector (SC), makes in weak solution Moisture evaporation become concentrated solution, afterwards cool after water return solar thermal collector (SC)；

Dehumidification solution flow：In the solution regenerator (LRU) the lithium bromide concentrated solution of outflow enter the 4th heat exchanger (HE IV) with Lithium bromide weak solution heat exchange after user end (UE) dehumidifying is finished cools, and continues to cool into the 5th heat exchanger (HE V), so Laggard access customer end (UE) is dehumidified to user, and the lithium bromide weak solution after dehumidifying heats up into the 4th heat exchanger (HE IV) Afterwards by the first solvent pump (P_L1) feeding solution regenerator (LRU) produces lithium bromide concentrated solution again；

(2) under cooling condition, compressor (COM) and injector (EJE) combined running；

Now, working medium flow is：First valve (V1), the second valve (V2), the 3rd valve (V3), the first expansion valve (Vt1), Two expansion valves (Vt2) are opened, and the 3rd expansion valve (Vt3) is closed, and the second working medium tank (T2) is closed；Working substance steam is from compressor outlet It is divided into two-way：Enter the 3rd heat exchanger (HE III) by a mouths of the second valve (V2) and d mouthfuls all the way, in the 3rd heat exchanger (HE III) cooling, which is condensed into after liquid, in enters the first working medium tank (T1), and liquid refrigerant is further divided into after the outflow of the first working medium tank (T1) Two-way, enters First Heat Exchanger (HE I), with using by oneself in the heat exchanger (HE I) after the second expansion valve (Vt2) decompression all the way The backwater heat exchange evaporation of family end (UE), generates low-temp low-pressure working substance steam, another road is after the first expansion valve (Vt1) decompression The second heat exchanger (HE II) is accessed, and is evaporated in the second heat exchanger (HE II) with the backwater heat exchange from user end (UE), Low-temp low-pressure working substance steam is generated, passes through the b mouths and the driving fluid entrance of c mouthfuls of access injectors (EJE) of the second valve (V2)； The Working-fluid intaking that another road working medium separated accesses injector (EJE) through the first valve (V1) is exported from compressor (COM), Injection comes from the low-temp low-pressure working substance steam of the second heat exchanger (HE II), and two-way working medium goes out after being mixed in injector from injector Mouthful outflow, converges, into compressor (COM) second compression again, so with the working substance steam from First Heat Exchanger (HE I) again afterwards Circulation；

Low temperature Water flow-path：The backwater of user end (UE) is returned after First Heat Exchanger (HE I) and the second heat exchanger (HE II) cooling Return to user end (UE)；

Dehumidification solution flow：In the solution regenerator (LRU) the lithium bromide concentrated solution of outflow enter the 4th heat exchanger (HE IV) with Lithium bromide weak solution heat exchange after the dehumidifying of user end is finished cools, and continues to cool into the 5th heat exchanger (HE V), Ran Houjin (UE) dehumidifies to user for access customer end, the lithium bromide weak solution after dehumidifying enter the 4th heat exchanger (HE IV) heating after by First solvent pump (P_L1) feeding solution regenerator (LRU) produces lithium bromide concentrated solution again；

(3) under heating condition, compressor (COM) isolated operation；

Now, working medium flow is：Second expansion valve (Vt2), a mouths of the second valve (V2) and b mouthfuls, the 3rd valve (V3), second Working medium tank (T2) is opened, the first expansion valve (Vt1), the 3rd expansion valve (Vt3), the first valve (V1), the c mouths of the second valve (V2) Closed with d mouthfuls, the first working medium tank (T1)；Working substance steam is left after compressor (COM), by a mouths of the second valve (V2) and b mouthfuls Into the second heat exchanger (HE II), heat release cools, is condensed into after liquid into the second working medium tank in the second heat exchanger (HE II) (T2), liquid refrigerant enters First Heat Exchanger (HE I) after the second expansion valve (Vt2) decompression, in First Heat Exchanger (HE I) The heat of vaporization from solar thermal collector (SC) high-temperature water is absorbed, the working substance steam of generation is pressed again into compressor (COM) Contracting, so circulation；

Middle warm water flow：4th valve (V4), the 5th valve (V5) are opened, the 6th valve (V6), the 7th valve (V7), the 8th valve Door (V8) is closed, after user end (UE) backwater sends into the second heat exchanger (HE II) absorption heat heating through the first water pump (Pw1), Return to user end (UE)；

High temperature Water flow-path：9th valve (V9), the tenth valve (V10) are opened, the 11st valve (V11), the 12nd valve (V12) Close, the backwater flowed out by First Heat Exchanger (HE I) sends into solar thermal collector (SC) through the second water pump (Pw2), absorbs the sun First Heat Exchanger (HE I) can be returned after heating；

(4) under heating condition, compressor (COM) and injector (EJE) combined running；

Now, working medium flow is：First valve (V1), the second valve (V2), the 3rd valve (V3), the second expansion valve (Vt2), Three expansion valves (Vt3) are opened, and the first expansion valve (Vt1) is closed, and the first working medium tank (T1) is closed；Working substance steam is from compressor outlet It is divided into two-way：Enter the second heat exchanger (HE II) by a mouths of the second valve (V2) and b mouthfuls all the way, in the second heat exchanger (HE II) in heat release cooling, be condensed into after liquid enter the second working medium tank (T2), liquid refrigerant from the second working medium tank (T2) outflow after again It is divided into two-way：Enter First Heat Exchanger (HE I) after the second expansion valve (Vt2) decompression all the way, working medium is in First Heat Exchanger (HE I) evaporated in the high-temperature water heat exchange from solar thermal collector (SC), generate working substance steam, another road passes through the 3rd expansion valve (Vt3) enter the 3rd heat exchanger (HE III) after being depressured, and outdoor Cryogenic air heat energy is absorbed in the 3rd heat exchanger (HE III) and steam Hair, generates low-temp low-pressure working substance steam, is entered by the d mouths of the second valve (V2) and the driving fluid of c mouthfuls of access injectors (EJE) Mouthful；Working fluid of another road working medium through the first valve (V1) access injector (EJE) separated is exported from compressor (COM) to enter Mouthful, injection comes from the low-temp low-pressure working substance steam of the 3rd heat exchanger (HE III), two-way working medium mixed in injector after from injection Device outlet outflow, converges with the working substance steam from First Heat Exchanger (HE I), into compressor (COM) second compression again again afterwards, So circulation；

High temperature Water flow-path：9th valve (V9), the tenth valve (V10) are opened, the 11st valve (V11), the 12nd valve (V12) Close, the backwater flowed out by First Heat Exchanger (HE I) sends into solar thermal collector (SC) through the second water pump (Pw2), absorbs the sun First Heat Exchanger (HE I) can be returned after heating.

3. application according to claim 2, it is characterised in that under cooling condition, compressor (COM) and injector (EJE) During combined running, low temperature Water flow-path is cascade：4th valve (V4), the 6th valve (V6), the 7th valve (V7) are opened, the Five valves (V5), the 8th valve (V8), the 9th valve (V9), the tenth valve (V10) are closed, and the backwater of user end (UE) is through the One water pump (Pw1) feeding First Heat Exchanger (HE I), is further dropped by the second heat exchanger (HE II) is entered after working medium absorbing and cooling temperature Temperature, then returnes to user end (UE)；

Or parallel form：4th valve (V4), the 5th valve (V5), the 6th valve (V6), the 8th valve (V8) are opened, the 7th valve Door (V7), the 9th valve (V9), the tenth valve (V10) are closed, and the backwater of user end (UE) is divided into two-way：Enter first all the way Heat exchanger (HE I) heat release cools, and another road cools into the second heat exchanger (HE II) heat release, and the water at low temperature after two-way cooling is converged User end is returned to afterwards.

4. a kind of double heat source high-efficiency air-conditioning system being combined based on compression-injection, it is characterised in that the system is by compression-spray Penetrate compound source pump, solution regeneration unit, heat-accumulator tank (SHP), user end (UE) and valve composition；

The source pump is by compressor (COM), injector (EJE), closed cooling tower (CCT), First Heat Exchanger (HE I), Two heat exchangers (HE II), the 3rd heat exchanger (HE III), working medium tank (T), the first expansion valve (Vt1), the second expansion valve (Vt2), One valve (V1) and the second valve (V2) composition；Wherein, compressor (COM) outlet is connected with the 3rd heat exchanger (HE III), is compressed Machine (COM) outlet is also connected by the first valve (V1) with the Working-fluid intaking of injector (EJE)；3rd heat exchanger (HE III) Outlet be connected with working medium tank (T), be then divided into two-way, pass through the first expansion valve (Vt1) and the second heat exchanger (HE II) all the way It is connected, injector (EJE) driving fluid entrance is accessed afterwards；Pass through the second expansion valve (Vt2) and First Heat Exchanger (HE I) all the way It is connected, compressor (COM) is returned by the second valve (V2)；Fluid-mixing outlet and the compressor (COM) of injector (EJE) Entrance is connected；

The solution regenerates unit by solution regenerator (LRU), solar thermal collector (SC), the 4th heat exchanger (HE IV), the 5th Heat exchanger (HE V), the 4th solvent pump (P_L4), the 3rd solvent pump (P_L3), the 13rd valve (V13), the 14th valve (V14) and 15th valve (V15) is constituted；Wherein, solar thermal collector (SC) heating agent outlet passes sequentially through the 3rd solvent pump (P_L3) the, the tenth Three valves (V13) are connected with solution regenerator (LRU) heating agent entrance, and the outlet of solution regenerator (LRU) heating agent passes through the 14th valve Door (V14) is connected with solar thermal collector (SC) heating agent entrance；The concentrated solution outlet of solution regenerator (LRU) passes through the 15th valve Door (V15) is connected with the concentrated solution entrance of the 4th heat exchanger (HE IV), the concentrated solution outlet and the 5th of the 4th heat exchanger (HE IV) The concentrated solution entrance of heat exchanger (HE V) is connected, and the concentrated solution outlet of the 5th heat exchanger (HE V) is connected with user end (UE), It is connected after user end (UE) absorption moisture becomes weak solution, then with the weak solution entrance of the 4th heat exchanger (HE IV), the 4th The weak solution outlet of heat exchanger (HE IV) passes through the 4th solvent pump (P_L4) the weak solution entrance with solution regenerator (LRU) is connected；

The outlet of solar thermal collector (SC) heating agent passes sequentially through the 3rd solvent pump (P_L3), the 12nd valve (V12), accesses afterwards The heat transferring medium outlet of one heat exchanger (HE I), the heat transferring medium entrance of First Heat Exchanger (HE I) passes through the 11st valve (V11) It is connected with solar thermal collector (SC) heating agent entrance；

User end (UE) is exported and the first solvent pump (P_L1), the c mouths of the 4th valve (V4), d mouthfuls, the 3rd heat exchanger (HE III), Heat-accumulator tank (SHP), the f mouths of the 5th valve (V5), g mouthfuls be sequentially connected, accessing user end (UE) entrance afterwards, in heat-accumulator tank (SHP) a two ends pipeline in parallel, and the 3rd valve (V3) is installed；The e mouths of 5th valve (V5) successively with closed cooling tower (CCT), the second solvent pump (P_L2), a mouths connection of the 4th valve (V4)；The b mouths of 4th valve (V4) pass through the 7th valve all the way (V7) the h mouths with the second heat exchanger (HE II), the 8th valve (V8), the 5th valve (V5) are sequentially connected, and another road passes through the 6th The h mouths of valve (V6) and First Heat Exchanger (HE I), the 9th valve (V9), the 5th valve (V5) are sequentially connected；In First Heat Exchanger The heat transferring medium outlet of (HE I) is connected a pipeline with the heat transferring medium entrance of the second heat exchanger (HE II), and installs the tenth valve Door (V10).

5. the application that the double heat source high-efficiency air-conditioning system described in a kind of claim 4 is freezed or heated, it is characterised in that Including following four working method：

(1) under cooling condition, compressor (COM) isolated operation；

Now, working medium flow is：First valve (V1), the first expansion valve (Vt1) are closed, and the second expansion valve (Vt2) is opened；Working medium Steam is carried out self-closing from the 3rd heat exchanger (HE III) entrance of compressor (COM) outlet access in the 3rd heat exchanger (HE III) The low-temperature glycol solution of cooling tower (CCT) cools, is condensed into after liquid into working medium tank T, and liquid refrigerant is through the second expansion valve (Vt2) enter heat exchanger I (HE I) after being depressured, changed in heat exchanger I (HE I) with the ethylene glycol solution from user end (UE) Thermal evaporation, the low-temp low-pressure working substance steam of generation enters compressor (COM) second compression again, so circulation；

Low-temperature glycol solution flow is：The b mouths of 4th valve (V4) and c mouthfuls, the g mouths of the 5th valve (V5) and h mouthfuls, the 6th valve Door (V6), the 9th valve (V9) are opened, and the 7th valve (V7), the 8th valve (V8), the tenth valve (V10) are closed；It is molten by first Agent pump (P_L1) ethylene glycol solution is sent into heat release in First Heat Exchanger (HE I) to cool, the ethylene glycol solution of low temperature again returns to use Freeze family end (UE)；

Middle temperature ethylene glycol solution flow is：The a mouths of 4th valve (V4) and d mouthfuls, the e mouths of the 5th valve (V5) and f mouthfuls of openings, the Two solvent pump (P_L2) it will be sent into by the ethylene glycol solution after closed cooling tower (CCT) cooling in the 3rd heat exchanger (HE III), with work Closed cooling tower (CCT) is returned to after matter heat exchange heating again；

High temperature glycol solution flow is：13rd valve (V13), the 14th valve (V14) are opened, the 11st valve (V11), 12 (V12) are closed, and the high temperature glycol solution of outflow enters solution regenerator (LRU), heating in solar thermal collector (SC) Weak solution, makes the moisture evaporation in solution become have absorbent concentrated solution, and the heating agent after cooling afterwards returns to solar energy Heat collector (SC) absorbs solar temperature rising again；

Dehumidification solution flow：In the solution regenerator (LRU) the lithium bromide concentrated solution of outflow enter the 4th heat exchanger (HE IV) with Lithium bromide weak solution heat exchange after the dehumidifying of user end is finished cools, and continues to cool into the 5th heat exchanger (HE V), Ran Houjin (UE) dehumidifies to user for access customer end, the lithium bromide weak solution after dehumidifying enter the 4th heat exchanger (HE IV) heating after by 4th solvent pump (P_L4) feeding solution regenerator (LRU) produces lithium bromide concentrated solution again；

Now, working medium flow is：First valve (V1), the second valve (V2), the first expansion valve (Vt1), the second expansion valve (Vt2) Open；Working substance steam is divided into two-way from compressor (COM) outlet：Enter the 3rd heat exchanger (HE III) all the way, in the 3rd heat exchanger Cooling, which is condensed into after liquid, in (HE III) enters working medium tank (T), and liquid refrigerant is further divided into two-way, one after working medium tank (T) outflow Road enters First Heat Exchanger (HE I) after the second expansion valve (Vt2) decompression, with coming from user in First Heat Exchanger (HE I) The ethylene glycol solution heat exchange evaporation of end (UE), generates low-temp low-pressure working substance steam, another road drops by the first expansion valve (Vt1) Access the second heat exchanger (HE II) after pressure, and in the second heat exchanger (HE II) with the ethylene glycol solution from user end (UE) Heat exchange evaporation, generates low-temp low-pressure working substance steam, the driving fluid entrance of access injector (EJE)；From compressor (COM) outlet Another road working medium separated accesses the Working-fluid intaking of injector (EJE) through the first valve (V1), and injection is from the second heat exchange The low-temp low-pressure working substance steam of device (HE II), two-way working medium mixed in injector after from injector export flow out, afterwards again with Working substance steam from First Heat Exchanger (HE I) converges, into compressor (COM) second compression, so circulation again；

Low-temperature glycol solution flow is：The ethylene glycol solution of user end (UE) exchanges heat through First Heat Exchanger (HE I) and second User end (UE) is returned to after device (HE II) cooling；

High temperature glycol solution flow is：13rd valve (V13), the 14th valve (V14) are opened, the 11st valve (V11), 12nd valve (V12) is closed, and the high temperature glycol solution of outflow enters solution regenerator in solar thermal collector (SC) (LRU), heat dilute solution, makes the moisture evaporation in solution become have absorbent concentrated solution, the heating agent after cooling afterwards Return to solar thermal collector (SC)；

(3) under heating condition, compressor isolated operation；

Now, working medium flow is：First valve (V1), the first expansion valve (Vt1) are closed, and the second expansion valve (Vt2) is opened；Working medium Steam is from the 3rd heat exchanger (HE III) entrance of compressor (COM) outlet access, by from user in the 3rd heat exchanger (HE III) The middle temperature ethylene glycol solution of end (UE) cools, is condensed into after liquid into working medium tank (T), and liquid refrigerant is through the second expansion valve (Vt2) First Heat Exchanger (HE I) is entered after being depressured, with the second from solar thermal collector (SC) in First Heat Exchanger (HE I) Glycol solution heat exchange evaporation, the low-temp low-pressure working substance steam of generation enters compressor (COM) second compression again, so circulation；

Middle temperature ethylene glycol solution flow is：3rd valve (V3), the c mouths of the 4th valve (V4) and d mouthfuls, the f of the 5th valve (V5) Mouth and g mouthfuls of openings；First solvent pump (P_L1) ethylene glycol solution is sent into heat absorption in the 3rd heat exchanger (HE III) to heat up, returned afterwards User end (UE) is returned to heat；

High temperature glycol solution flow is：11st valve (V11), the 12nd valve (V12) are opened, the 13rd valve (V13), 14th valve (V14) is closed；The high temperature glycol solution flowed out by solar thermal collector (SC) enters First Heat Exchanger (HE I), solar thermal collector (SC) is returned to after heat release cooling；

Now, working medium flow is：First valve (V1), the second valve (V2), the first expansion valve (Vt1), the second expansion valve (Vt2) Open；Working substance steam is divided into two-way from compressor (COM) outlet：Enter the 3rd heat exchanger (HE III) all the way, in the 3rd heat exchanger Cooling, which is condensed into after liquid, in (HE III) enters working medium tank (T), and liquid refrigerant is further divided into two-way, one after working medium tank (T) outflow Road enters First Heat Exchanger (HE I) after the second expansion valve (Vt2) decompression, with coming from the sun in First Heat Exchanger (HE I) The ethylene glycol solution heat exchange evaporation of energy heat collector (SC), generates low-temp low-pressure working substance steam, the first expansion valve is passed through on another road (Vt1) the second heat exchanger (HE II) is accessed after being depressured, and with coming from closed cooling tower (CCT) in the second heat exchanger (HE II) Ethylene glycol solution heat exchange evaporation, generates low-temp low-pressure working substance steam, the driving fluid entrance of access injector (EJE)；From compression Another road working medium that machine (COM) outlet is separated accesses the Working-fluid intaking of injector (EJE) through the first valve (V1), and injection comes From the low-temp low-pressure working substance steam of the second heat exchanger (HE II), two-way working medium is exported after being mixed in injector from injector to flow Go out, converge again with the working substance steam from First Heat Exchanger (HE I) afterwards, into compressor (COM) second compression again, so follow Ring；

Low-temperature glycol solution flow is：The a mouths of 4th valve (V4) and b mouthfuls, the e mouths of the 5th valve (V5) and h mouthfuls, the 7th valve Door (V7), the 8th valve (V8) are opened, and the 6th valve (V6), the 9th valve (V9), the tenth valve (V10) are closed, the second solvent Pump (P_L2) ethylene glycol solution that outdoor low-temperature air energy is absorbed in closed cooling tower is passed through into a mouths of the 4th valve (V4) Enclosed with e mouthfuls returned to by h mouths of the 5th valve (V5) in b mouthfuls of feedings the second heat exchangers (HE II), after heat release cooling cold But in tower；

High temperature glycol solution flow is：11st valve (V11), the 12nd valve (V12) are opened, the 13rd valve (V13), 14th valve (V14) is closed；The high temperature glycol solution flowed out by solar thermal collector (SC) enters First Heat Exchanger (HE I), solar thermal collector (SC) is returned to after heat release cooling.

6. application according to claim 5, it is characterised in that under cooling condition, compressor (COM) and injector (EJE) During combined running, low-temperature glycol solution flow is cascade：The b mouths of 4th valve (V4) and c mouthfuls, the 5th valve (V5) G mouthfuls are opened with h mouthfuls, the 6th valve (V6), the 8th valve (V8), the tenth valve (V10), the 7th valve (V7), the 9th valve (V9) close, the ethylene glycol solution after user end (UE) heat absorption is by the first solvent pump (P_L1) the b mouths of the 4th valve (V4) are passed through With c mouthfuls of feeding First Heat Exchangers (HE I), after working medium absorbing and cooling temperature, the second heat exchanger (HE is entered by the tenth valve (V10) II) further cooling, returns to user end (UE) by the 8th valve (V8), the h mouths of the 5th valve (V5) and g mouthfuls afterwards；

Or parallel form：The b mouths of 4th valve (V4) and c mouthful, the g mouths of the 5th valve (V5) and h mouthfuls, the 6th valve (V6), the Seven valves (V7), the 8th valve (V8), the 9th valve (V9) are opened, and the tenth valve (V10) is closed, after user end (UE) heat absorption Ethylene glycol solution through the first solvent pump (P_L1) it is divided into two-way：Enter First Heat Exchanger (HE I) heat release all the way to cool, Ling Yilu Into the second heat exchanger (HE II) heat release cooling, after the low-temperature glycol solution after two-way cooling converges, pass through the 5th valve (V5) h mouths and g mouthfuls of returns user end (UE).