CN106642780B - It is a kind of to refrigerate and freeze synchronous Two-way Cycle composite system - Google Patents
It is a kind of to refrigerate and freeze synchronous Two-way Cycle composite system Download PDFInfo
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- CN106642780B CN106642780B CN201611258853.0A CN201611258853A CN106642780B CN 106642780 B CN106642780 B CN 106642780B CN 201611258853 A CN201611258853 A CN 201611258853A CN 106642780 B CN106642780 B CN 106642780B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
A kind of to refrigerate and freeze synchronous Two-way Cycle composite system, which is made of cold-hot compound die block, interior cold-hot compound die block, the switching control of Composite Double circulatory function and corresponding connecting pipe outside compressor composite module, Composite Double circulatory assit module, vehicle；The synchronization Two-way Cycle can be refrigerated according to storehouse with the actual needs that freezes operation, realize Cold storage in the refrigerator refrigeration cycle, refrigeration heating circulation, freezing refrigeration cycle, a variety of thermodynamic cycle operating modes such as the self-loopa of composite heat-exchanger rapid frost melting, the outer composite heat-exchanger rapid frost melting self-loopa of storehouse in storehouse.
Description
Technical field
The present invention relates to a kind of refrigerations and the synchronous binary cycle system of freezing.The system can refrigerate according to storehouse and freeze fortune
Capable actual needs realizes Cold storage in the refrigerator refrigeration cycle, refrigeration heating circulation, freezing refrigeration cycle, composite heat-exchanger in storehouse
A variety of thermodynamic cycle operating modes such as rapid frost melting self-loopa, the outer composite heat-exchanger rapid frost melting circulation of storehouse.
Background technique
Recently as expanding economy and the raising of living standards of the people, more and more food and drug need to refrigerate
With freezing, meet the needs of people, therefore, reasonable highly effective can have been designed, economically viable refrigeration is used with freezing
Refrigeration storage system, it has also become the research direction of current industry.Since temperature is low outside Ku Nei or library, evaporator surface can be tied gradually
Frost, with the thickening of frost layer, circulatory system system can be reduced, and should be defrosted regarding to the issue above at this time, the present invention is according to automobile
Four circulatory systems of the actual needs design of operation are, it can be achieved that storehouse refrigeration circulation, refrigeration heating circulation, freezing refrigeration are followed
The self-loopa of composite heat-exchanger rapid frost melting, the outer composite heat-exchanger rapid frost melting self-loopa of storehouse in ring, storehouse, and preferably solve
Above-mentioned outstanding problem.
Summary of the invention
The purpose of the present invention be exactly the shortcoming being directed in the presence of the above-mentioned prior art and provide a kind of refrigeration with it is cold
Freeze with synchronous binary cycle system.Evaporator surface frosting is tight when the present invention can effectively solve to refrigerate too low with cryogenic temperature at present
Weight, causes heat exchange property to reduce, the outstanding problems such as the temperature requirement of freezing, refrigeration is not achieved.
The present invention may make up the refrigeration of two relatively independent operations with freeze synchronous binary cycle system one and refrigerate with it is cold
Freeze with synchronous binary cycle system two.The system can according to actual needs, by two relatively independent refrigerations with freezing with synchronous pair
Cyclic system is unified and system two is combined into realization Cold storage in the refrigerator refrigeration cycle, refrigeration heats circulation, in freezing refrigeration cycle, storehouse
A variety of thermodynamic cycle Working moulds such as the self-loopa of composite heat-exchanger rapid frost melting, the outer composite heat-exchanger rapid frost melting self-loopa of storehouse
Formula.
The purpose of the present invention can be realized by following technique measures:
Refrigeration of the invention and freezing are auxiliary by compressor composite module I, compound Two-way Cycle with synchronous Two-way Cycle composite system
Help module II, synchronous Two-way Cycle module III outside library, synchronous Two-way Cycle module IV in library, Composite Double circulatory function
Switching control and corresponding connecting pipe composition；The compressor composite module I includes by the first compressor subsystem, the second compression
Loom system composition the compound subsystem of compressor, the first electric T-shaped valve, the second electric T-shaped valve, third electric T-shaped valve,
4th electric T-shaped valve；Composite Double circulatory assit module II includes by the first ancillary equipment subsystem, the second ancillary equipment subsystem
It unites the ancillary equipment subsystem of composition, the 5th electric T-shaped valve, the 6th electric T-shaped valve, the 7th electric T-shaped valve, the 8th electronic
Triple valve；Synchronous Two-way Cycle module III includes by postposition heat exchange outside preposition heat exchanger outside blower on the outside of vehicle, library, library outside library
It is subsystem outside the library of device composition, the 9th electric T-shaped valve, the tenth electric T-shaped valve, the 11st electric T-shaped valve, the 12nd electronic
Triple valve composition；Synchronous Two-way Cycle module IV includes that the heat exchange of auxiliary heat is recycled by inside-of-refrigerator blower, for defrosting in library
It is preposition heat exchanger in device, library, subsystem in the library of postposition heat exchanger composition in library, the 13rd electric T-shaped valve, the 14th electronic
Triple valve, the 15th electric T-shaped valve, the 16th electric T-shaped valve；The first compressor subsystem first interface passes through first
Electric T-shaped valve is connect with the 9th electric T-shaped valve, the 14th electric T-shaped valve respectively；Second compressor subsystem first
Interface is connect with the tenth electric T-shaped valve, the 13rd electric T-shaped valve respectively by the second electric T-shaped valve；First compression loom
System second interface is connect with the 9th electric T-shaped valve, the 14th electric T-shaped valve respectively by third electric T-shaped valve；It is described
Second compressor subsystem second interface by the 4th electric T-shaped valve respectively with the tenth electric T-shaped valve, the 13rd electric three passes
Valve connection；The first interface of the first ancillary equipment subsystem by the 5th electric T-shaped valve respectively with the 12nd electric three passes
Valve, the connection of the 15th electric T-shaped valve；The first interface of the second ancillary equipment subsystem passes through the 6th electric T-shaped valve point
It is not connect with the 11st electric T-shaped valve, the 16th electric T-shaped valve；The second interface of first ancillary equipment subsystem passes through the
Seven electric T-shaped valves are connect with the 12nd electric T-shaped valve, the 15th electric T-shaped valve respectively；Second ancillary equipment subsystem
Second interface is connect with the 11st electric T-shaped valve, the 16th electric T-shaped valve respectively by the 8th electric T-shaped valve；The library
Interior preposition heat exchanger first interface is connect with the 14th electric T-shaped valve, and second interface is connect with the 15th electric T-shaped valve；Library
Interior postposition heat exchanger first interface is connect with the 13rd electric T-shaped valve, and second interface is connect with the 16th electric T-shaped valve, and
Inside-of-refrigerator blower, the heat exchanger that auxiliary heat is recycled for defrosting, preposition heat exchanger in library, in library postposition heat exchanger by air flow to according to
Secondary arrangement；Preposition heat exchanger first interface is connect with the 9th electric T-shaped valve outside the library, second interface and the ten two electronic three
Port valve connection；Postposition heat exchanger first interface is connect with the tenth electric T-shaped valve outside library, second interface and the 11st electric three passes
Valve connection, and blower on the outside of library, preposition heat exchanger, the outer postposition heat exchanger in library are flowed to by air and are arranged successively outside library.
Heretofore described first compressor subsystem is by the first compressor, the first gas-liquid separator, the first low pressure tonifying Qi
Pipeline presses tonifying Qi pipeline, the first electric T-shaped valve, third electric T-shaped valve, the 17th electric T-shaped valve composition in first；It is described
Two outlets of the inlet communication refrigerant of the 17th electric T-shaped valve, the 17th electric T-shaped valve are divided into two-way, pass through all the way
Tonifying Qi pipeline is pressed to enter compressor in first, all the way by the first low pressure tonifying Qi pipeline and by third electric T-shaped valve, first
Enter the first compressor after the refrigerant mixing of gas-liquid separator, the first compressor outlet is connect with the first electric T-shaped valve.
Second compressor subsystem is by the second compressor, the second gas-liquid separator, the second low pressure tonifying Qi pipeline, second
Middle pressure tonifying Qi pipeline, the second electric T-shaped valve, the 4th electric T-shaped valve, the 18th electric T-shaped valve composition；18th electricity
The inlet communication refrigerant of dynamic triple valve, two outlets of the 18th electric T-shaped valve are divided into two-way, pass through in second press all the way
Tonifying Qi pipeline enters the second compressor, all the way by the second low pressure tonifying Qi pipeline and by the 4th electric T-shaped valve, the second gas-liquid
Enter compressor after the refrigerant mixing of separator, the second compressor is connect with the second electric T-shaped valve.
The first ancillary equipment subsystem is by the first Intermediate Heat Exchanger, the first main road expansion valve, the first check valve, first
Device for drying and filtering, the first bypass expansion valve, the first liquid storage device, the first solenoid valve, the 5th electric T-shaped valve, the 7th electric T-shaped valve
Composition；After 7th electric T-shaped valve passes sequentially through first the first device for drying and filtering of liquid storage device, and pass through the first dry filter
It is divided into three tunnels: main road, bypass, bypass after device, main road successively passes through the first Intermediate Heat Exchanger, the first main road expansion valve, the 5th electricity
Dynamic triple valve, bypass successively pass through the first benefit road expansion valve, the first Intermediate Heat Exchanger, the first check valve；Bypass is by the first electricity
Converge after magnet valve with bypass.
The second ancillary equipment subsystem is by the second Intermediate Heat Exchanger, the second main road expansion valve, second one-way valve, second
Device for drying and filtering, the second bypass expansion valve, the second liquid storage device, second solenoid valve, the 6th electric T-shaped valve, the 8th electric T-shaped valve
Composition；After 8th electric T-shaped valve passes sequentially through the second liquid storage device, the second device for drying and filtering, and pass through the second dry filter
It is divided into three tunnels: main road, bypass, bypass after device, main road successively passes through the second Intermediate Heat Exchanger, the second main road expansion valve, the 6th electricity
Dynamic triple valve, bypass successively pass through the second benefit road expansion valve, the second Intermediate Heat Exchanger, second one-way valve；Bypass is by the second electricity
Converge after magnet valve with bypass.
It furtherly, both can be preposition by one group of inlet side with synchronous bi-circulating heat exchanger in library outside the library
Heat exchange coil and one group of air side postposition heat exchange coil are assembled in same group of heat exchange fin compound with parallel connection in heat exchanger frame
It forms, can also be formed by the preposition separate exchangers in inlet side and air side postposition separate exchangers parallel combination, or solely by two
Vertical heat exchanger or so is in parallel or parallel combination forms up and down, the quantity of two groups of heat exchange coils or two groups of separate exchangers, structure and
Size may be the same or different.(upper, left) evaporation is with after before the multi-functional composite heat-exchanger can realize double evaporations, double condensations
A variety of heat exchange function integrated modes such as (under, right) condensation, preceding (upper, left) condensation and rear (under, right) evaporation, heat exchanger form can be with
It is the heat exchanger of parallel-flow heat exchanger, fin-tube type heat exchanger and other forms.
The refrigeration with compressor tonifying Qi interface and freezing motor compressor, compressor can be vortex, work
Plug, rotator type, screw and other forms compressor, compressor can be frequency conversion type or non-frequency formula；The pressure
Contracting machine tonifying Qi interface can be middle pressure tonifying Qi pipeline pipe interface or low pressure tonifying Qi pipe interface；The low pressure tonifying Qi pipeline connects
Mouth can be tonifying Qi interface in parallel at compressor low pressure chamber tonifying Qi interface or compressor air suction mouth.
The compressor suction and discharge reversing arrangement can be electric T-shaped valve regulating valve or four-way reversing valve or check valve
The bridge that commutates is constituted.
The tonifying Qi enhancing device is by tonifying Qi throttling set, tonifying Qi heat exchanger and subsystem controls valve and connecting tube
Road is formed by combining.The tonifying Qi heat exchanger can be plate heat exchanger, double pipe heat exchanger, shell and tube exchanger and other shapes
The heat exchanger of formula.
The restriction expansion device can be electric expansion valve, heating power expansion valve, restriction sleeve, capillary and other
The throttling set of form.
The refrigerant disengaging assignment of traffic and mixed bridge-circuit control valve can be electric T-shaped valve regulating valve or electromagnetism
The autocontrol valve of valve or check valve and other forms.
The present invention can be not only used for the refrigeration and freezing of freezer, it can also be used to other use occasions.
Beneficial effects of the present invention are as follows:
The present invention through preliminary experiment research shows that: in library under low temperature environment, refrigeration with freezing synchronous binary cycle system
It reliable and stable can run, and can realize that storehouse refrigeration recycles, synchronous Two-way Cycle exchanges heat in freezing refrigeration cycle, storehouse
Synchronous bi-circulating heat exchanger rapid frost melting self-loopa outside device rapid frost melting circulation, storehouse.
Detailed description of the invention
Fig. 1 is refrigeration and the synchronous binary cycle system connection figure of freezing.
Fig. 2 is refrigeration and the synchronous binary cycle system refrigeration circulation process figure of freezing.
Fig. 3 is refrigeration and freezing synchronous binary cycle system refrigeration heating circulation process figure.
Fig. 4 is refrigeration and freezing synchronous binary cycle system freezing refrigeration cycle flow chart.
Fig. 5 is that multi-cycle shares synchronous Two-way Cycle power sub-system connection figure.
Fig. 6 is synchronous Two-way Cycle ancillary equipment subsystem connection figure.
Fig. 7 is synchronous Two-way Cycle subsystem system connection figure in library.
Fig. 8 is synchronous Two-way Cycle subsystem connection figure outside library.
Specific embodiment
The present invention is further described below with reference to embodiment (attached drawing).
As shown in Figure 1, refrigeration of the invention with freezing with synchronous Two-way Cycle composite system by compressor composite module I, answer
Two-way Cycle supplementary module II, synchronous Two-way Cycle module III outside library, synchronous Two-way Cycle module IV in library are closed, it is compound
The control of Two-way Cycle function switch and corresponding connecting pipe composition；The compressor composite module I includes by the first compressor subsystem
System 1-1, the compound subsystem 1 of compressor of the second compressor subsystem 1-2 composition, the first electric T-shaped valve F11, second electronic three
Port valve F12, third electric T-shaped valve F1-1, the 4th electric T-shaped valve F1-2；Composite Double circulatory assit module II includes by first
The ancillary equipment subsystem 2 of ancillary equipment subsystem 2-1, the second ancillary equipment subsystem 2-2 composition, the 5th electric T-shaped valve
F3-2, the 6th electric T-shaped valve F2-4, the 7th electric T-shaped valve F3-4, the 8th electric T-shaped valve F4-3；Synchronous outside library
Two-way Cycle module III includes by outside postposition heat exchanger 3-2 is formed outside preposition heat exchanger 3-1 outside blower 7 on the outside of vehicle, library, library library points
System 3, the 9th electric T-shaped valve F13, the tenth electric T-shaped valve F23, the 11st electric T-shaped valve F32, the 12nd electric three passes
Valve F31 composition；Synchronous Two-way Cycle module IV includes that the heat exchange of auxiliary heat is recycled by inside-of-refrigerator blower 6, for defrosting in library
Preposition heat exchanger 4-1 in device 8, library, subsystem 4 in the library of postposition heat exchanger 4-2 composition in library, the 13rd electric T-shaped valve F24,
14th electric T-shaped valve F14, the 15th electric T-shaped valve F41, the 16th electric T-shaped valve F42；The first compression loom
System 1-1 first interface by the first electric T-shaped valve F11 respectively with the 9th electric T-shaped valve F13, the 14th electric T-shaped valve
F14 connection；The second compressor subsystem 1-2 first interface is by the second electric T-shaped valve F12 respectively with the tenth electronic three
Port valve F23, the 13rd electric T-shaped valve F24 connection；First compressor subsystem 1-1 second interface passes through third electric T-shaped valve
F1-1 is connect with the 9th electric T-shaped valve F13, the 14th electric T-shaped valve F14 respectively；The second compressor subsystem 1-2
Two interfaces are connect with the tenth electric T-shaped valve F23, the 13rd electric T-shaped valve F24 respectively by the 4th electric T-shaped valve F1-2；
The first interface of the first ancillary equipment subsystem 2-1 by the 5th electric T-shaped valve F3-2 respectively with the 12nd electric three passes
Valve F31, the 15th electric T-shaped valve F41 connection；The first interface of the second ancillary equipment subsystem 2-2 is electronic by the 6th
Triple valve F2-4 is connect with the 11st electric T-shaped valve F32, the 16th electric T-shaped valve F42 respectively；First ancillary equipment subsystem
Unite 2-1 second interface by the 7th electric T-shaped valve F3-4 respectively with the 12nd electric T-shaped valve F31, the 15th electric three passes
Valve F41 connection；The second interface of second ancillary equipment subsystem 2-2 is electric with the 11st respectively by the 8th electric T-shaped valve F4-3
Dynamic triple valve F32, the 16th electric T-shaped valve F42 connection；Preposition heat exchanger 4-1 first interface and the 14th electronic in the library
Triple valve F14 connection, second interface are connect with the 15th electric T-shaped valve F41；Postposition heat exchanger 4-2 first interface and in library
13 electric T-shaped valve F24 connections, second interface are connect with the 16th electric T-shaped valve F42, and inside-of-refrigerator blower 6, for melting
Frost recycles that the heat exchanger 8 of auxiliary heat, preposition heat exchanger 4-1 in library, postposition heat exchanger 4-2 is arranged successively by air flow direction and (is joined in library
See Fig. 7)；Preposition heat exchanger 3-1 first interface is connect with the 9th electric T-shaped valve F13 outside the library, second interface and the 12nd
Electric T-shaped valve F31 connection；Postposition heat exchanger 3-2 first interface is connect with the tenth electric T-shaped valve F23 outside library, second interface with
11st electric T-shaped valve F32 connection, and blower 7 on the outside of library, preposition heat exchanger 3-1 outside library, outside library postposition heat exchanger 3-2 by sky
Air-flow is to being arranged successively (referring to Fig. 8).
As shown in figure 5, the first compressor subsystem 1-1 by the first compressor Y1-1, the first gas-liquid separator Y1-2,
First low pressure tonifying Qi pipeline Y1-4, tonifying Qi pipeline Y1-5, the first electric T-shaped valve F11, third electric T-shaped valve F1- are pressed in first
1, the 17th electric T-shaped valve Y1-3 is formed；The inlet communication refrigerant of the 17th electric T-shaped valve Y1-3, the 17th electricity
Two outlets of dynamic triple valve Y1-3 are divided into two-way, pass through pressure tonifying Qi pipeline Y1-5 in first all the way and enter compressor, pass through all the way
The first low pressure tonifying Qi pipeline Y1-4 is crossed to mix with the refrigerant by third electric T-shaped valve F1-1, the first gas-liquid separator Y1-2
Enter the first compressor afterwards, the outlet the first compressor Y1-1 is connect with the first electric T-shaped valve F11.
The second compressor subsystem 1-2 is mended by the second compressor E1-1, the second gas-liquid separator E1-2, the second low pressure
Air pipe E1-4, tonifying Qi pipeline E1-5, the second electric T-shaped valve F12, the 4th electric T-shaped valve F1-2, the 18th electricity are pressed in second
Dynamic triple valve E1-3 composition；The inlet communication refrigerant of the 18th electric T-shaped valve E1-3, the 18th electric T-shaped valve E1-
3 two outlets are divided into two-way, pass through pressure tonifying Qi pipeline E1-5 in second all the way and enter the second compressor, low by second all the way
Press tonifying Qi pipeline E1-4 with after the refrigerant of the 4th electric T-shaped valve F1-2, the second gas-liquid separator E1-2 mixs into press
Contracting machine, the second compressor E1-1 are connect with the second electric T-shaped valve F12.
As shown in fig. 6, the first ancillary equipment subsystem 2-1 is expanded by the first Intermediate Heat Exchanger Y2-1, the first main road
Valve Y2-2, the first check valve Y2-3, the first device for drying and filtering Y2-4, the first bypass expansion valve Y2-5, the first liquid storage device Y2-6,
One solenoid valve F21, the 5th electric T-shaped valve F3-2, the 7th electric T-shaped valve F3-4 composition；The 7th electric T-shaped valve F3-4
After passing sequentially through the first liquid storage device Y2-6, the first device for drying and filtering Y2-4, and it is divided into three after the first device for drying and filtering Y2-4
Road: main road, bypass, bypass, main road successively pass through the first Intermediate Heat Exchanger Y2-1, the first main road expansion valve Y2-2, the 5th electronic
Triple valve F3-2, bypass successively pass through the first benefit road expansion valve Y2-5, the first Intermediate Heat Exchanger Y2-1, the first check valve Y2-3；
Bypass is converged after the first solenoid valve F21 with bypass.(see Fig. 6).
The second ancillary equipment subsystem 2-2 is by the second Intermediate Heat Exchanger E2-1, the second main road expansion valve E2-2,
Two check valve E2-3, the second device for drying and filtering E2-4, the second bypass expansion valve E2-5, the second liquid storage device E2-6, second solenoid valve
F22, the 6th electric T-shaped valve F2-4, the 8th electric T-shaped valve F4-3 composition；The 8th electric T-shaped valve F4-3 is passed sequentially through
After second liquid storage device E2-6, the second device for drying and filtering E2-4, and it is divided into three tunnels after the second device for drying and filtering E2-4: main road,
Bypass, bypass, main road successively pass through the second Intermediate Heat Exchanger E2-1, the second main road expansion valve E2-2, the 6th electric T-shaped valve
F2-4, bypass successively pass through the second benefit road expansion valve E2-5, the second Intermediate Heat Exchanger E2-1, second one-way valve E2-3；Bypass warp
Converge after crossing second solenoid valve F22 with bypass.(see Fig. 6).
It furtherly, both can be preposition by one group of inlet side with synchronous bi-circulating heat exchanger in library outside the library
Heat exchange coil and one group of air side postposition heat exchange coil are assembled in same group of heat exchange fin compound with parallel connection in heat exchanger frame
It forms, can also be formed by the preposition separate exchangers in inlet side and air side postposition separate exchangers parallel combination, or solely by two
Vertical heat exchanger or so is in parallel or parallel combination forms up and down, the quantity of two groups of heat exchange coils or two groups of separate exchangers, structure and
Size may be the same or different.(upper, left) evaporation is with after before the multi-functional composite heat-exchanger can realize double evaporations, double condensations
A variety of heat exchange function integrated modes such as (under, right) condensation, preceding (upper, left) condensation and rear (under, right) evaporation, heat exchanger form can be with
It is the heat exchanger of parallel-flow heat exchanger, fin-tube type heat exchanger and other forms.
The refrigeration with compressor tonifying Qi interface and freezing motor compressor, compressor can be vortex, work
Plug, rotator type, screw and other forms compressor, compressor can be frequency conversion type or non-frequency formula；The pressure
Contracting machine tonifying Qi interface can be middle pressure tonifying Qi pipe interface or low pressure tonifying Qi pipe interface；The low pressure tonifying Qi pipe interface can
To be tonifying Qi interface in parallel at compressor low pressure chamber tonifying Qi interface or compressor air suction mouth.
The compressor suction and discharge reversing arrangement can be electric T-shaped valve regulating valve or four-way reversing valve or check valve
The bridge that commutates is constituted.
The tonifying Qi enhancing device is by tonifying Qi throttling set, tonifying Qi heat exchanger and subsystem controls valve and connecting tube
Road is formed by combining.The tonifying Qi heat exchanger can be plate heat exchanger, double pipe heat exchanger, shell and tube exchanger and other shapes
The heat exchanger of formula.
The restriction expansion device can be electric expansion valve, heating power expansion valve, restriction sleeve, capillary and other
The throttling set of form.
The refrigerant disengaging assignment of traffic and mixed bridge-circuit control valve can be electric T-shaped valve regulating valve or electromagnetism
The autocontrol valve of valve or check valve and other forms.
The present invention can be not only used for the refrigeration and freezing of freezer, it can also be used to other use occasions.
Working principle of the present invention is as follows:
Circulation pattern: storehouse refrigeration circulation refrigerates and the refrigeration cycle stream of the synchronous binary cycle system one of freezing
Journey is as follows: (see figure 5) refrigerant passes sequentially through the first electric T-shaped valve F11(and sees Fig. 2 after the first compressor Y1-1 extrusion), the
Preposition heat exchanger 3-1 outside nine electric T-shaped valve F13, library, the 12nd electric T-shaped valve F31, the 7th electric T-shaped valve F3-4, (see
Fig. 6) the first liquid storage device Y2-6, the first device for drying and filtering Y2-4, are divided into three tunnels after the first device for drying and filtering Y2-4: main road,
Bypass, main road be directly entered the first Intermediate Heat Exchanger Y2-1, the first main road expansion valve Y2-2, the 5th electric T-shaped valve F3-2, (see
Fig. 2) the 15th electric T-shaped valve F41, preposition heat exchanger 4-1, the 14th electric T-shaped valve F14(are shown in Fig. 7 in library), third it is electronic
Triple valve F1-1, the first gas-liquid separator Y1-2, the first compressor Y1-1；(see figure 6) bypass successively passes through the first dry filter
Device Y2-4, the first bypass expansion valve Y2-5, the first Intermediate Heat Exchanger Y2-1, the first check valve Y2-3, by the ten seven electronic three
It is divided into two-way after port valve Y1-3；It is actually needed according to automobile and carries out low pressure tonifying Qi or middle pressure tonifying Qi.
Storehouse refrigeration heating circulation, circulation pattern: (see figure 5) refrigerant successively passes through after the first compressor Y1-1 extrusion
Cross the first electric T-shaped valve F11, the 14th electric T-shaped valve F14, preposition heat exchanger 4-1, the ten five electronic three in (see figure 3) library
Port valve F41, the 7th electric T-shaped valve F3-4, the first liquid storage device of (see figure 6) Y2-6, the first device for drying and filtering Y2-4, by first
Be divided into two-way after device for drying and filtering Y2-4: main road, bypass, it is swollen that main road sequentially enters the first Intermediate Heat Exchanger Y2-1, the first main road
Swollen valve Y2-2, the 5th electric T-shaped valve F3-2, the 12nd electric T-shaped valve F31 of (see figure 3), preposition heat exchanger 3-1, the tenth outside library
Three electric T-shaped valve F24, (see figure 5) third electric T-shaped valve F1-1, the first gas-liquid separator Y1-2, the first compressor Y1-1；
(see figure 6) bypass passes through the first device for drying and filtering Y2-4, the first bypass expansion valve Y2-5, the first Intermediate Heat Exchanger Y2-1, first
Check valve Y2-3, the 17th electric T-shaped valve Y1-3 of (see figure 5), are divided into two-way after the 17th electric T-shaped valve Y1-3, root
It is actually needed according to freezer and carries out low pressure tonifying Qi or middle pressure tonifying Qi.It is carried out after two-way mixing by the compression of the first compressor Y1-1
Subsequent cycle, to realize storehouse refrigeration heating circulation.
Refrigeration cycle is freezed outside storehouse, circulation pattern: refrigerated and the refrigeration cycle of the synchronous binary cycle system one of freezing
Process is as follows: (see figure 5) refrigerant extrudes successively from the first compressor Y1-1 by the first electric T-shaped valve F11, the 9th electronic
Preposition heat exchanger 3-1 outside triple valve F13, the library (see Fig. 4,8), the 12nd electric T-shaped valve F31, the 7th electric T-shaped valve F3-4,
The first liquid storage device of (see figure 6) Y2-6, the first device for drying and filtering Y2-4 are divided into two-way after the first device for drying and filtering Y2-4: main
Road, bypass, main road pass sequentially through the first Intermediate Heat Exchanger Y2-1, the first main road expansion valve Y2-2, the 5th electric T-shaped valve F3-2,
Preposition heat exchanger 4-1, the 14th electric T-shaped valve F14(are referring to Fig. 7 in the 15th electric T-shaped valve F41 of (see figure 4), library), (see
Fig. 5) third electric T-shaped valve F1-1, the first gas-liquid separator Y1-2, the first compressor Y1-1；(see figure 6) bypass successively passes through
First device for drying and filtering Y2-4, the first bypass expansion valve Y2-5, the first Intermediate Heat Exchanger Y2-1, the first check valve Y2-3, (see figure
5) the 17th electric T-shaped valve Y1-3 is divided into two-way after the 17th electric T-shaped valve Y1-3, according to automobile be actually needed into
The filling of row low pressure or middle pressure tonifying Qi.It refrigerates as follows with the circulation process for freezing synchronous binary cycle system two: (see figure 5) refrigerant
It is extruded successively after outside the second electric T-shaped valve F12, the tenth electric T-shaped valve F23 of (see figure 4), library from the second compressor E1-1
Set heat exchanger 3-2, the 11st electric T-shaped valve F32, the 8th electric T-shaped valve F4-3, the second liquid storage device of (see figure 6) E2-6, second
Device for drying and filtering E2-4, be divided into two-way after the second device for drying and filtering E2-4: main road, bypass, main road successively pass through in second
Between heat exchanger E2-2, the second main road expansion valve E2-2, the 6th electric T-shaped valve F2-4 of (see figure 7), the 16th electric T-shaped valve
Postposition heat exchanger 4-2, the 13rd electric T-shaped valve F24, the 4th electric T-shaped valve F1-2 of (see figure 5), the second gas-liquid in F42, library
Separator E1-2, the second compressor E1-1；(see figure 6) bypass successively passes through the second device for drying and filtering E2-4, the expansion of the second bypass
Valve E2-5, the second Intermediate Heat Exchanger E2-2, second one-way valve E2-3, the 18th electric T-shaped valve E1-3 of (see figure 5), by
It is divided into two-way after 18 electric T-shaped valve E1-3, is actually needed according to automobile and carries out low pressure filling or middle pressure tonifying Qi, to realize
Storehouse freezes refrigeration cycle.Composite heat-exchanger rapid frost melting recycles in storehouse, and the high-temperature exhaust air of compressor is introduced directly into storehouse
In interior heat exchanger, the frost layer outside heat exchanger is melted by the heat of the high-temperature exhaust air of compressor, at this moment inside and outside storehouse
Blower shuts down.Preposition composite heat-exchanger rapid frost melting system one is as follows in library: (see figure 5) refrigerant is from the first compressor
Y1-1 successively passes through the first electric T-shaped valve F11, the 14th electric T-shaped valve F14 of (see figure 1), library built-in heat exchanger 4- after extruding
1, the 15th electric T-shaped valve F41, the 7th electric T-shaped valve F3-4, the first liquid storage device of (see figure 6) Y2-6, the first device for drying and filtering
Y2-4, the first solenoid valve F21, the 17th electric T-shaped valve Y1-3 of (see figure 5), the first pressure of the first low pressure tonifying Qi pipeline Y1-4 access
Contracting machine Y1-1.Postposition heat exchanger rapid frost melting system two is as follows in library: (see figure 5) refrigerant is after the first compressor Y1-1 extrusion
Successively by postposition heat exchanger 4-2, the 16th in the second electric T-shaped valve F12, the 13rd electric T-shaped valve F24 of (see figure 1), library
Electric T-shaped valve F42, the 8th electric T-shaped valve F4-3, the second liquid storage device of (see figure 6) E2-6, the second device for drying and filtering E2-4,
Two solenoid valve F22, the 18th electric T-shaped valve E1-3 of (see figure 5), the second low pressure tonifying Qi pipeline E1-4 access the second compressor E1-
1.Heat exchanger in storehouse may be implemented by above-mentioned two circulatory system and synchronize independent rapid frost melting circulation.
Storehouse external heat exchanger rapid frost melting circulation, the high-temperature exhaust air of compressor is introduced directly into the heat exchanger in storehouse,
The frost layer outside heat exchanger is melted by the heat of the high-temperature exhaust air of compressor, at this moment the blower inside and outside storehouse shuts down.
Preposition composite heat-exchanger rapid frost melting system one is as follows outside library: (see figure 5) refrigerant from the first compressor Y1-1 extrusion after successively
By preposition heat exchanger 3-1, the ten two electronic three outside the first electric T-shaped valve F11, the 9th electric T-shaped valve F13 of (see figure 1), library
It is port valve F31, the 7th electric T-shaped valve F3-4, the first liquid storage device of (see figure 6) Y2-6, the first device for drying and filtering Y2-4, first electronic
Triple valve F11, the 5th electric T-shaped valve F3-2, the 17th electric T-shaped valve Y1-3 of (see figure 5), the first low pressure tonifying Qi pipeline Y1-
4 the first compressor Y1-1 of access.Postposition heat exchanger rapid frost melting system two is as follows outside library: (see figure 1) refrigerant is compressed from second
Machine E1-1 extrude after successively by the second electric T-shaped valve F12, the tenth electric T-shaped valve F23, postposition heat exchanger 3-2 outside library, the
11 electric T-shaped valve F32, the 7th electric T-shaped valve F3-4, the second liquid storage device of (see figure 6) E2-6, the second device for drying and filtering E2-
4, second solenoid valve F21, the 5th electric T-shaped valve F3-2, the 18th electric T-shaped valve E1-3 of (see figure 5), the second low pressure blowdown pipe
Road E1-4 accesses the second compressor E1-1.The synchronous independent loops of storehouse external heat exchanger may be implemented by above-mentioned two circulatory system
The function of defrosting.
By above-mentioned operational mode, Cold storage in the refrigerator refrigeration cycle, refrigeration heating circulation, freezing refrigeration cycle, storehouse are realized
A variety of thermodynamic cycle Working moulds such as interior composite heat-exchanger rapid frost melting self-loopa, the outer composite heat-exchanger rapid frost melting circulation of storehouse
Formula.
Claims (5)
1. it is a kind of refrigeration with freezing synchronous Two-way Cycle composite system, it is characterised in that: the system by compressor composite module I,
Synchronous Two-way Cycle module III outside Composite Double circulatory assit module II, library, synchronous Two-way Cycle module IV in library, it is multiple
Close the control of Two-way Cycle function switch and corresponding connecting pipe composition；The compressor composite module I includes by the first compression loom
System (1-1), the second compressor subsystem (1-2) composition the compound subsystem of compressor (1), the first electric T-shaped valve (F11),
Second electric T-shaped valve (F12), third electric T-shaped valve (F1-1), the 4th electric T-shaped valve (F1-2)；Composite Double circulatory assit
Module II includes that the ancillary equipment point being made of the first ancillary equipment subsystem (2-1), the second ancillary equipment subsystem (2-2) is
It unites (2), is the 5th electric T-shaped valve (F3-2), the 6th electric T-shaped valve (F2-4), the 7th electric T-shaped valve (F3-4), the 8th electronic
Triple valve (F4-3)；Synchronous Two-way Cycle module III includes by heat exchanger (3- preposition outside blower on the outside of vehicle (7), library outside library
1), subsystem (3), the 9th electric T-shaped valve (F13), the tenth electric T-shaped valve outside the library that postposition heat exchanger (3-2) forms outside library
(F23), the 11st electric T-shaped valve (F32), the 12nd electric T-shaped valve (F31) composition；Synchronous Two-way Cycle mould in library
Block IV includes the heat exchanger (8) that auxiliary heat is recycled by inside-of-refrigerator blower (6), for defrosting, preposition heat exchanger (4-1) in library, in library
Subsystem (4), the 13rd electric T-shaped valve (F24), the 14th electric T-shaped valve in the library of postposition heat exchanger (4-2) composition
(F14), the 15th electric T-shaped valve (F41), the 16th electric T-shaped valve (F42)；First compressor subsystem (1-1)
One interface by the first electric T-shaped valve (F11) respectively with the 9th electric T-shaped valve (F13), the 14th electric T-shaped valve (F14)
Connection；Second compressor subsystem (1-2) first interface is by the second electric T-shaped valve (F12) respectively with the tenth electronic three
Port valve (F23), the connection of the 13rd electric T-shaped valve (F24)；First compressor subsystem (1-1) second interface is electronic by third
Triple valve (F1-1) is connect with the 9th electric T-shaped valve (F13), the 14th electric T-shaped valve (F14) respectively；Second compression
Loom system (1-2) second interface by the 4th electric T-shaped valve (F1-2) respectively with the tenth electric T-shaped valve (F23), the 13rd
Electric T-shaped valve (F24) connection；The first interface of the first ancillary equipment subsystem (2-1) passes through the 5th electric T-shaped valve
(F3-2) it is connect respectively with the 12nd electric T-shaped valve (F31), the 15th electric T-shaped valve (F41)；Second ancillary equipment
The first interface of subsystem (2-2) by the 6th electric T-shaped valve (F2-4) respectively with the 11st electric T-shaped valve (F32), the tenth
Six electric T-shaped valves (F42) connection；The second interface of first ancillary equipment subsystem (2-1) passes through the 7th electric T-shaped valve (F3-
4) it is connect respectively with the 12nd electric T-shaped valve (F31), the 15th electric T-shaped valve (F41)；Second ancillary equipment subsystem (2-
2) second interface by the 8th electric T-shaped valve (F4-3) respectively with the 11st electric T-shaped valve (F32), the ten six electronic three
Port valve (F42) connection；Preposition heat exchanger (4-1) first interface is connect with the 14th electric T-shaped valve (F14) in the library, and second
Interface is connect with the 15th electric T-shaped valve (F41)；Postposition heat exchanger (4-2) first interface and the 13rd electric T-shaped valve in library
(F24) it connects, second interface connect with the 16th electric T-shaped valve (F42), and inside-of-refrigerator blower (6), to be used for defrosting circulation auxiliary
The heat exchanger (8) of heat, preposition heat exchanger (4-1) in library, postposition heat exchanger (4-2) is arranged successively by air flow direction in library；It is described
Preposition heat exchanger (3-1) first interface is connect with the 9th electric T-shaped valve (F13) outside library, second interface and the 12nd electric three passes
Valve (F31) connection；Postposition heat exchanger (3-2) first interface is connect with the tenth electric T-shaped valve (F23) outside library, second interface and the
11 electric T-shaped valves (F32) connection, and blower (7) on the outside of library, preposition heat exchanger (3-1) outside library, postposition heat exchanger (3- outside library
2) it is arranged successively by air flow direction.
2. refrigerating according to claim 1 and freezing synchronous Two-way Cycle composite system, it is characterised in that: the first compression loom
System (1-1) is by the first compressor (Y1-1), the first gas-liquid separator (Y1-2), the first low pressure tonifying Qi pipeline (Y1-4), first
Middle pressure tonifying Qi pipeline (Y1-5), the first electric T-shaped valve (F11), third electric T-shaped valve (F1-1), the 17th electric T-shaped valve
(Y1-3) it forms；The inlet communication refrigerant of 17th electric T-shaped valve (Y1-3), the 17th electric T-shaped valve (Y1-3)
Two outlets be divided into two-way, enter compressor by pressure tonifying Qi pipeline (Y1-5) in first all the way, pass through the first low pressure all the way
Tonifying Qi pipeline (Y1-4) mixes laggard with the refrigerant by third electric T-shaped valve (F1-1), the first gas-liquid separator (Y1-2)
Enter the first compressor, the first compressor (Y1-1) outlet is connect with the first electric T-shaped valve (F11).
3. refrigerating according to claim 1 and freezing synchronous Two-way Cycle composite system, it is characterised in that: the second compression loom
System (1-2) is by the second compressor (E1-1), the second gas-liquid separator (E1-2), the second low pressure tonifying Qi pipeline (E1-4), second
Middle pressure tonifying Qi pipeline (E1-5), the second electric T-shaped valve (F12), the 4th electric T-shaped valve (F1-2), the 18th electric T-shaped valve
(E1-3) it forms；The inlet communication refrigerant of 18th electric T-shaped valve (E1-3), the 18th electric T-shaped valve (E1-3)
Two outlets be divided into two-way, enter the second compressor by pressure tonifying Qi pipeline (E1-5) in second all the way, pass through second all the way
Low pressure tonifying Qi pipeline (E1-4) is mixed with the refrigerant by the 4th electric T-shaped valve (F1-2), the second gas-liquid separator (E1-2)
Enter compressor afterwards, the second compressor (E1-1) is connect with the second electric T-shaped valve (F12).
4. refrigerating according to claim 1 and freezing synchronous Two-way Cycle composite system, it is characterised in that: first ancillary equipment
Subsystem (2-1) is by the first Intermediate Heat Exchanger (Y2-1), the first main road expansion valve (Y2-2), the first check valve (Y2-3), first
Device for drying and filtering (Y2-4), the first bypass expansion valve (Y2-5), the first liquid storage device (Y2-6), the first solenoid valve (F21), the 5th electricity
Dynamic triple valve (F3-2), the 7th electric T-shaped valve (F3-4) composition；7th electric T-shaped valve (F3-4) passes sequentially through first
After liquid storage device (Y2-6), the first device for drying and filtering (Y2-4), and it is divided into three tunnels after the first device for drying and filtering (Y2-4): main
Road, bypass, bypass, main road successively pass through the first Intermediate Heat Exchanger (Y2-1), the first main road expansion valve (Y2-2), the 5th electronic three
Port valve (F3-2), bypass successively pass through the first benefit road expansion valve (Y2-5), the first Intermediate Heat Exchanger (Y2-1), the first check valve
(Y2-3)；Bypass is converged after the first solenoid valve (F21) with bypass.
5. refrigerating according to claim 1 and freezing synchronous Two-way Cycle composite system, it is characterised in that: second ancillary equipment
Subsystem (2-2) is by the second Intermediate Heat Exchanger (E2-1), the second main road expansion valve (E2-2), second one-way valve (E2-3), second
Device for drying and filtering (E2-4), the second bypass expansion valve (E2-5), the second liquid storage device (E2-6), second solenoid valve (F22), the 6th electricity
Dynamic triple valve (F2-4), the 8th electric T-shaped valve (F4-3) composition；8th electric T-shaped valve (F4-3) passes sequentially through second
After liquid storage device (E2-6), the second device for drying and filtering (E2-4), and it is divided into three tunnels after the second device for drying and filtering (E2-4): main
Road, bypass, bypass, main road successively pass through the second Intermediate Heat Exchanger (E2-1), the second main road expansion valve (E2-2), the 6th electronic three
Port valve (F2-4), bypass successively pass through the second benefit road expansion valve (E2-5), the second Intermediate Heat Exchanger (E2-1), second one-way valve
(E2-3)；Bypass is converged after second solenoid valve (F22) with bypass.
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| CN201611258853.0A CN106642780B (en) | 2016-12-30 | 2016-12-30 | It is a kind of to refrigerate and freeze synchronous Two-way Cycle composite system |
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| CN109140811A (en) * | 2018-10-11 | 2019-01-04 | 武汉巨力鼎兴冷链股份有限公司 | A kind of freezer circulatory system with high and low temperature refrigeration handoff functionality |
| CN110579064A (en) * | 2019-09-23 | 2019-12-17 | 珠海格力电器股份有限公司 | Refrigerating system and contain its freezer |
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| EP1139037A1 (en) * | 2000-03-31 | 2001-10-04 | Computer Process Controls, Inc. | Method and apparatus for refrigeration system control having electronic evaporator pressure regulators |
| CN1485584A (en) * | 2002-08-30 | 2004-03-31 | ������������ʽ���� | Geogrid or mesh structure |
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