CN106123170A - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN106123170A CN106123170A CN201610490088.9A CN201610490088A CN106123170A CN 106123170 A CN106123170 A CN 106123170A CN 201610490088 A CN201610490088 A CN 201610490088A CN 106123170 A CN106123170 A CN 106123170A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004146 energy storage Methods 0.000 claims abstract description 82
- 238000009825 accumulation Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 27
- 239000003507 refrigerant Substances 0.000 claims description 24
- 238000001704 evaporation Methods 0.000 claims description 21
- 230000008020 evaporation Effects 0.000 claims description 21
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 42
- 239000002826 coolant Substances 0.000 description 27
- 230000005611 electricity Effects 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0032—Systems storing energy during the night
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
- F25B2313/02332—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements during defrosting
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way 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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/021—Alternate defrosting
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides an air conditioning system and a control method thereof, wherein the system comprises a compressor (1), a first heat exchanger (2), an internal heat exchanger (3), a first four-way valve (5) and an energy storage device (6), wherein a first connecting end (51) of the first four-way valve (5) is connected to an exhaust port of the compressor (1), a second connecting end (52) is connected to the energy storage device (6), a third connecting end (53) is connected to an air suction port of the compressor (1), and a fourth connecting end (54) is connected to the first heat exchanger (2); the heat exchanger also comprises a second four-way valve (4), wherein a first connecting end (41) of the second four-way valve (4) is connected to an air suction port of the compressor (1), a second connecting end (42) is connected to the second heat exchanger (3), a third connecting end (43) is connected to an air exhaust port of the compressor (1), and a fourth connecting end (44) is connected to the first heat exchanger (2). The invention can solve the technical problem of large power load of the air conditioning system.
Description
Technical field
The invention belongs to air-conditioning technical field, be specifically related to a kind of air conditioning system and control method thereof.
Background technology
Accumulation of energy, as a mature technology, is used widely in Large Central Air Conditioning System system, and small-sized household is central
Air conditioning applications energy accumulating technique is the most little.In recent years, small-sized household central air-conditioning kept quickly increasing, and its operation characteristic can give electric power
Supply system causes the increasing pressure;And air conditioning system the most operating defrost number of times more and also in defrost
Period cannot provide the effect persistently heated indoor, and in summer operation, operation thermic load is relatively big, units consumption is bigger.
Due to domestic multi-connection air conditioner system of the prior art exist electric load compared with big, defrost number of times is more, defrost
Indoor cannot persistently heat by period, the thermic load technical problem such as bigger in summer, and research design the most of the present invention goes out a kind of air-conditioning
System and control method thereof.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome air conditioning system of the prior art to there is electric load relatively
Big defect, thus a kind of air conditioning system and control method thereof are provided.
The present invention provides a kind of air conditioning system, and it includes compressor, First Heat Exchanger, the second heat exchanger, also includes first
Cross valve and energy storage equipment, wherein,
The first of described first cross valve holds the air vent being connected to described compressor in succession, second in succession end be connected to institute
State energy storage equipment, the 3rd in succession end be connected to the air entry of described compressor, the 4th in succession end be connected to described First Heat Exchanger,
Also including the second cross valve, the first connection end of described second cross valve is connected to the air entry of described compressor,
Second connects end is connected to described second heat exchanger, and the 3rd connects end is connected to the air vent of described compressor, and the 4th connects end
It is connected to described First Heat Exchanger.
Preferably, the refrigerant pipeline between described second cross valve and the air entry of described compressor is additionally provided with
One electromagnetic valve;And/or, the refrigerant pipeline between described first cross valve and described First Heat Exchanger is additionally provided with the second electricity
Magnet valve.
Preferably, the two ends at described second electromagnetic valve are provided with throttling arrangement the most in parallel.
Preferably, the air entry at described compressor is connected on pipeline and is additionally provided with gas-liquid separator;And/or, described
The air vent of compressor is connected on pipeline and is additionally provided with gs-oil separator.
The present invention also provides for the control method of a kind of multi-online air-conditioning system, and it uses aforesaid multi-online air-conditioning system,
By controlling to adjust described first cross valve system is carried out accumulation of heat, cold-storage, heat release, lets cool and control that defrost persistently heats
System.
Preferably, when needs accumulation of heat, and when also including the second cross valve, control to adjust described first cross valve and described
Second cross valve so that described second heat exchanger and described energy storage equipment all condense heat release, described First Heat Exchanger evaporation endothermic.
Preferably, when described system includes the first electromagnetic valve and the second electromagnetic valve, regulate the first of the second cross valve and connect
Connect end and the 4th to connect end and connect, second connect end and the 3rd and connect end connection, regulate the first of the first cross valve hold in succession with
Second hold in succession connection, the 3rd in succession end hold in succession with the 4th and to connect, the first electromagnetic valve is opened, the second closed electromagnetic valve.
Preferably, when accumulation of heat heat released by needs, and when also including the second cross valve, described first four-way is controlled to adjust
Valve and described second cross valve so that described second heat exchanger condensation heat release, described energy storage equipment and described First Heat Exchanger are equal
Evaporation endothermic.
Preferably, when described system includes the first electromagnetic valve and the second electromagnetic valve, regulate the first of the second cross valve and connect
Connect end and the 4th to connect end and connect, second connect end and the 3rd and connect end connection, regulate the first of the first cross valve hold in succession with
4th hold in succession connection, second in succession end hold in succession with the 3rd and to connect, the first electromagnetic valve is opened, the second closed electromagnetic valve.
Preferably, during system defrost, and when also including the second cross valve, control to adjust described first cross valve and
Described second cross valve so that described second heat exchanger and First Heat Exchanger all condense heat release, described energy storage equipment evaporation endothermic.
Preferably, when described system includes the first electromagnetic valve and the second electromagnetic valve, regulate the first of the second cross valve and connect
Connect end and the 4th to connect end and connect, second connect end and the 3rd and connect end connection, regulate the first of the first cross valve hold in succession with
4th hold in succession connection, second in succession end hold in succession with the 3rd and to connect, the first closed electromagnetic valve, the second electromagnetic valve are opened.
Preferably, when needs cold-storage, and when also including the second cross valve, control to adjust the first cross valve and the second four-way
Valve so that the independent evaporation endothermic of described energy storage equipment or described energy storage equipment and the described second equal evaporation endothermic of heat exchanger, with
The condensation heat release of Shi Suoshu First Heat Exchanger.
Preferably, when described system includes the first electromagnetic valve and the second electromagnetic valve, regulate the first of the second cross valve and connect
Connect end and second to connect end and connect, the 3rd connect end and the 4th and connect end connection, regulate the first of the first cross valve hold in succession with
4th hold in succession connection, second in succession end hold in succession with the 3rd and to connect, the first electromagnetic valve is opened, the second electromagnetic valve is opened.
Preferably, when cold-storage cold released by needs, and when also including the second cross valve, control to adjust the first cross valve and
Second cross valve so that the second heat exchange evaporation endothermic described in two or more, described energy storage equipment and the condensation of described First Heat Exchanger
Heat release.
Preferably, when described system includes the first electromagnetic valve and the second electromagnetic valve, regulate the first of the first cross valve and connect
Connect end and second to connect end and connect, the 3rd connect end and the 4th and connect end connection, regulate the first of the second cross valve hold in succession with
Second hold in succession connection, the 3rd in succession end hold in succession with the 4th and to connect, the first electromagnetic valve is opened, the second closed electromagnetic valve.
A kind of air conditioning system and control method thereof that the present invention provides have the advantages that
1. by air conditioning system and the control method thereof of the present invention, it is possible to by energy storage equipment and two cross valves to this be
System plays the effect of accumulation of heat, cold-storage, utilizes energy storage equipment to carry out accumulation of energy effect when low electricity price and electrical energy demands are relatively low, at high electricity
Valency and electrical energy demands discharge its energy put aside time vigorous, thus electric load plays the effect of peak load shifting, effectively drop
The usage charges of low user's air-conditioning, solve the multi-online air-conditioning system technology that especially small-sized household air conditioning system electric load is bigger
Problem;
2. by the air conditioning system of the present invention and control method thereof, additionally it is possible to by energy storage equipment and two cross valves to this
System plays the effect of effective accumulation of heat under cold conditions, thus the heat in time indoor release put aside, reductionization
The number of times and frequent of frost;
3. by the air conditioning system of the present invention and control method thereof, additionally it is possible to by energy storage equipment and two cross valves to this
System plays the effect of effective accumulation of heat under cold conditions, thus via the heat release of energy storage equipment when carrying out defrost in system
Effect make it indoor can also be heated effect, efficiently solve multi-online air-conditioning system cannot realize during defrost right
The indoor technical problem persistently heated;
4. by the air conditioning system of the present invention and control method thereof, additionally it is possible to by energy storage equipment and two cross valves to this
System plays the effect of effective cold-storage under tropical conditions so that system by day time via energy storage equipment heat absorption make
With, discharge the cold put aside in time so that it is indoor are carried out the effect of refrigeration cool-down, efficiently solve multi-gang air-conditioner system
Unite in the bigger technical problem of thermic load in summer.
Accompanying drawing explanation
Fig. 1 is that the air conditioning system of the present invention carries out accumulation of heat add or be not added with the system structure schematic diagram heated night in the winter time;
Fig. 2 is the system structure schematic diagram that the air conditioning system of the present invention carries out heating daytime in the winter time;
Fig. 3 is the air conditioning system of present invention system structure schematic diagram during defrost;
Fig. 4 is that the air conditioning system of the present invention carries out, at summer evenings, the system structure schematic diagram that cold-storage adds or is not added with refrigeration;
Fig. 5 is the system structure schematic diagram that the air conditioning system of the present invention carries out at summer day freezing;.
In figure, reference is expressed as:
1 compressor, 2 First Heat Exchangers (or claiming outer machine heat exchanger), 21 outer machine expansion valves, 3 second heat exchangers
(or machine heat exchanger in claiming), machine heat exchanger in 31 first, machine expansion valve in 311 first, machine heat exchanger in 32 second,
Machine expansion valve in 321 second, 4 second cross valves, 41 first connect end, and 42 second connect end, and 43 the 3rd connect
End, 44 the 4th connect end, 5 first cross valves, and 51 first hold in succession, and 52 second hold in succession, and 53 the 3rd hold in succession,
54 the 4th hold in succession, 6 energy storage equipments, 61 accumulation of energy expansion valves, 7 first electromagnetic valves, 8 second electromagnetic valves, 9 throttlings
Device, 10 gas-liquid separators, 11 gs-oil separators, 12 indoor sets one, 13 indoor sets two.
Detailed description of the invention
As Figure 1-5, the present invention provides a kind of air conditioning system (preferably multi-online air-conditioning system), it include compressor 1,
First Heat Exchanger the 2, second heat exchanger 3 and connect the second cross valve 4 of above-mentioned parts respectively by pipeline, also includes the one or four
Logical valve 5 and energy storage equipment 6, four connection ends of wherein said first cross valve 5 are respectively connecting to the air-breathing of described compressor 1
Mouth, air vent, described First Heat Exchanger 2 and one end of described energy storage equipment 6, the other end of described energy storage equipment 6 is connected to described
First Heat Exchanger 2.
By the multi-online air-conditioning system of the present invention, it is possible to by energy storage equipment and the first cross valve to this system especially
Small-sized household air conditioning system plays the effect of accumulation of heat, cold-storage, utilizes energy storage equipment to carry out when low electricity price and electrical energy demands are relatively low
Accumulation of energy effect, discharges its energy put aside, thus electric load is played peak clipping and fills out when high electricity price and electrical energy demands are vigorous
The effect of paddy, effectively reduces the usage charges of user's air-conditioning, solves multi-online air-conditioning system especially small-sized household air conditioning system electricity
The technical problem that power load is bigger;
By energy storage equipment and the first cross valve, this system can also be played the work of effective accumulation of heat under cold conditions
With, thus the heat in time indoor release put aside, reduce defrost number of times and frequent;
By energy storage equipment and the first cross valve, this system can also be played the work of effective accumulation of heat under cold conditions
With, thus make it indoor can also be heated effect via the exothermic effects of energy storage equipment when carrying out defrost in system, have
Solve the technical problem that multi-online air-conditioning system cannot realize persistently heating indoor during defrost to effect;
By energy storage equipment and the first cross valve, this system can also be played under tropical conditions the work of effective cold-storage
With, thus heat-absorbing action via energy storage equipment during daytime in system, discharge the cold put aside in time so that it is indoor are entered
The effect of row refrigeration cool-down, efficiently solve multi-online air-conditioning system summer thermic load relatively big (if referring to that summer does not adopts
If cold-storage, interior machine heat exchanger can from the king-sized cold of outdoor absorption, cause outdoor temperature is the highest, heat very
Technical problem greatly).
Preferably, four of described first cross valve 5 connection ends be respectively first hold 51, second to hold 52 in succession in succession, the
Three hold 53 and the 4th to hold 54 in succession in succession, and wherein said first holds 51 to be connected to described compressor 1 by refrigerant pipeline in succession
Air vent (is i.e. connected to the 3rd connection end 43 of described second cross valve 4), and described second holds 52 by refrigerant pipeline even in succession
Being connected to described energy storage equipment 6, the described 3rd air entry that end 53 is connected to described compressor 1 in succession (is i.e. connected to described second
Second connection end 42 of cross valve 4), the described 4th holds 54 to be connected to described First Heat Exchanger 2 in succession.This is the first cross valve
Concrete structure and concrete connected mode, by this connected mode can by first in succession end be connected to exhaust outlet of compressor,
By second in succession end be connected to energy storage equipment, the 3rd in succession end be connected to compressor air suction mouth, the 4th in succession end be connected to First Heat Exchanger,
Thus realize effectively switching and connecting between above-mentioned 4 parts.
Preferably, four of described second cross valve 4 connection ends be respectively the first connection end 41, second connect end 42, the
Three connect end 43 and the 4th connects end 44, and wherein said first connects end 41 is connected to described compressor 1 by refrigerant pipeline
Air entry, described second connects end 42 is connected to described second heat exchanger 3 by refrigerant pipeline, and the described 3rd connects end 43 connects
To the air vent of described compressor 1, the described 4th connects end 44 is connected to described First Heat Exchanger 2.This is the second cross valve
Concrete structure and concrete connected mode, by this connected mode can by first connection end be connected to compressor air suction mouth,
Second connection end is connected to the second heat exchanger, and the 3rd connection end is connected to exhaust outlet of compressor, the 4th connection end is connected to the first heat exchange
Device, thus realize effectively switching and connecting between above-mentioned 4 parts.
Preferably, the coolant between described second cross valve 4 (first connects end 41) and the air entry of described compressor 1
The first electromagnetic valve 7 it is additionally provided with on pipeline;And/or, in described first cross valve 5 (the 4th holds 54 in succession) and described first heat exchange
The second electromagnetic valve 8 it is additionally provided with on refrigerant pipeline between device 2.Inhaled with compressor by the first connection end at the second cross valve
Refrigerant pipeline between QI KOU arranges the mode of the first electromagnetic valve, it is possible to effectively to the first electromagnetic valve and compressor air suction mouth it
Between pipeline be controlled, it is adaptable to during defrost, close this pipeline so that indoor heating and outdoor defrost are entered simultaneously
OK, this valve of other patterns is all opened;By holding the refrigerant pipe between 54 and First Heat Exchanger in succession the 4th of the first cross valve the
The mode of the second electromagnetic valve is set on road, it is possible to effectively control the pipeline between the second electromagnetic valve and First Heat Exchanger
System, it is adaptable to heat daytime in the winter time and close this pipeline by closing the second electromagnetic valve in summer day process of refrigerastion, make
Coolant this pipeline that do not circulates maybe needs just can flow through (blood pressure lowering) through bigger resistance so that First Heat Exchanger and energy storage equipment are simultaneously
Second heat exchanger is played the effect of heat exchange.
Preferably, the two ends at described second electromagnetic valve 8 are provided with throttling arrangement 9 the most in parallel (preferably throttle capillary
Pipe).By be arranged in parallel at the two ends of the second electromagnetic valve throttling arrangement version can close the second electromagnetic valve time (this
State is applicable to heat daytime in winter and the running of summer day refrigeration), carry out stopping work to coolant by throttling arrangement
With, reach the purpose of reducing pressure by regulating flow or stop the purpose that air-flow flows through from this, thus realizing passing through under this state energy storage equipment
The effect to the second heat exchanger heat exchange simultaneously with First Heat Exchanger.
Preferably, the air entry at described compressor 1 is connected on pipeline and is additionally provided with gas-liquid separator 10;And/or, institute
State the air vent of compressor 1 to be connected on pipeline and be additionally provided with gs-oil separator 11.Divide by arranging gas-liquid at compressor air suction mouth
The refrigerant medium entered in compressor can be carried out the action of gas-liquid separation from device, the coolant that enter in compressor is effectively ensured
Working medium is gaseous state as far as possible, prevents from producing in compressor liquid hit phenomenon, arranges gs-oil separator energy at exhaust outlet of compressor
Enough refrigerant mediums to discharging from compressor carry out the action of Oil-gas Separation, the lubricating oil being effectively prevented in compressor chamber because of
For gas discharge and surprisingly taken out of inside compressor, it is therefore prevented that oil starvation in compressor and affect motor, the feelings of rotor equivalent life
The generation of condition, moreover it is possible to be effectively improved the purity of the refrigerant medium of discharge, improves operation of air conditioner efficiency.
It is further preferred that (near described First Heat Exchanger 2 on the refrigerant pipeline being connected with described First Heat Exchanger 2
Position) be provided with outer machine expansion valve 21, (near described on the refrigerant pipeline being connected with each described second heat exchanger 3
The position of the second heat exchanger) it is provided with interior machine expansion valve (machine expansion valve in machine expansion valve 311 and second in including first
321), the refrigerant pipeline being connected with described energy storage equipment 6 is provided with accumulation of energy (near the position of described energy storage equipment 6) swollen
Swollen valve 61.The pipeline that each heat exchanger is adjacent is provided with expansion valve, it is possible to be controlled according to actual needs and selectivity
Ground controls specific expansion valve action, so that the heat exchanger being attached thereto plays the effect of vaporizer.
It is further preferred that described second heat exchanger 3 has two, in respectively first, in machine heat exchanger 31 and second, machine changes
Hot device 32.This is preferred number and the version of the second heat exchanger.
The present invention also provides for the control method of a kind of multi-online air-conditioning system, and it uses aforesaid multi-online air-conditioning system,
Ambient conditions according to indoor and outdoor and actual demand, by controlling to adjust described first cross valve so that system is carried out accumulation of heat, storage
Cold, heat release, let cool and control that defrost persistently heats.By the control method of the multi-online air-conditioning system of the present invention, by making
Use aforesaid multi-online air-conditioning system, it is possible to by energy storage equipment and the first cross valve, this system is played the work of accumulation of heat, cold-storage
With, utilize energy storage equipment to carry out accumulation of energy effect when low electricity price and electrical energy demands are relatively low, when high electricity price and electrical energy demands are vigorous
Discharge its energy put aside, thus electric load played the effect of peak load shifting, effectively reduce the usage charges of user's air-conditioning,
Solve the technical problem that multi-online air-conditioning system electric load is bigger;
By energy storage equipment and the first cross valve, this system can also be played the work of effective accumulation of heat under cold conditions
With, thus the heat in time indoor release put aside, reduce defrost number of times and frequent;
By energy storage equipment and the first cross valve, this system can also be played the work of effective accumulation of heat under cold conditions
With, thus make it indoor can also be heated effect via the exothermic effects of energy storage equipment when carrying out defrost in system, have
Solve the technical problem that multi-online air-conditioning system cannot realize persistently heating indoor during defrost to effect;
By energy storage equipment and the first cross valve, this system can also be played under tropical conditions the work of effective cold-storage
With, thus heat-absorbing action via energy storage equipment during daytime in system, discharge the cold put aside in time so that it is indoor are entered
The effect of row refrigeration cool-down, efficiently solves multi-online air-conditioning system in the bigger technical problem of thermic load in summer.
Preferably, when needs accumulation of heat (preferably night in winter), and when also including the second cross valve, control to adjust described
One cross valve 5 and described second cross valve 4 so that described second heat exchanger 3 (machine heat exchanger 31 and second in preferably including first
Interior machine heat exchanger 32) and described energy storage equipment 6 all condense heat release, described First Heat Exchanger 2 evaporation endothermic, thus filled by accumulation of energy
Put 6 and carry out accumulation of heat.Can realize utilizing energy storage equipment to carry out the effect absorbed heat from outdoor by regulating the first and second cross valves,
Complete the operating procedure of accumulation of heat.
Preferably, when described second cross valve 4 include the first connection end 41, second connect end 42, the 3rd connect end 43, the
Four connect end 44, and described first cross valve 5 includes that first holds 51, second to hold the 52, the 3rd to hold the 53, the 4th in succession in succession in succession in succession
End 54, when system includes the first electromagnetic valve 7 and the second electromagnetic valve 8, the first connection end 41 and the 4th regulating the second cross valve connects
Connect end 44 connection, the second connection end 42 connects end 43 with the 3rd and connects, and regulate the first cross valve first holds 51 and second in succession
End 52 connection in succession, the 3rd in succession end 53 with the 4th in succession end 54 connect, the first electromagnetic valve 7 is opened, the second electromagnetic valve 8 cuts out.
This is the concrete operation step that the energy storage equipment of multi-online air-conditioning system of the present invention carries out accumulation of energy (accumulation of heat), the first and second electricity
Magnet valve plays the effect that mate-assist controls.
Preferably, when accumulation of heat heat released by needs (daytime in winter), and when also including the second cross valve, control to adjust institute
State the first cross valve 5 and described second cross valve 4 so that described second heat exchanger 3 (machine heat exchanger 31 and in preferably first
Machine heat exchanger 32 in two) condense heat release, described energy storage equipment 6 and the equal evaporation endothermic of described First Heat Exchanger 2, thus pass through accumulation of energy
Device 6 carries out discharging accumulation of heat heat, simultaneously by First Heat Exchanger evaporation endothermic is obtained another part heat, jointly to second
Heat exchanger heats, and improves and heats power and effect, reduces the number of times of defrost and frequent.
Preferably, when described second cross valve 4 include the first connection end 41, second connect end 42, the 3rd connect end 43, the
Four connect end 44, and described first cross valve 5 includes that first holds 51, second to hold the 52, the 3rd to hold the 53, the 4th in succession in succession in succession in succession
End 54, when system includes the first electromagnetic valve 7 and the second electromagnetic valve 8, the first connection end 41 and the 4th regulating the second cross valve connects
Connect end 44 connection, the second connection end 42 connects end 43 with the 3rd and connects, and regulate the first cross valve first holds 51 and the 4th in succession
End 54 connection in succession, second in succession end 52 with the 3rd in succession end 53 connect, the first electromagnetic valve 7 is opened, the second electromagnetic valve 8 cuts out.
This is the concrete operation step that the energy storage equipment of multi-online air-conditioning system of the present invention carries out the heat of release savings, the first electromagnetism
Valve is opened to connect First Heat Exchanger and compressor air suction mouth, the second closed electromagnetic valve so that compressor outlet to flow to the second electromagnetism
The branch line of valve 8 carries out the reducing pressure by regulating flow pipeline finally with First Heat Exchanger outlet and converges mutually, and two electromagnetic valves play jointly
The effect that mate-assist controls.
Preferably, during system defrost, and when also including the second cross valve, control to adjust described first cross valve 5
With described second cross valve 4 so that described second heat exchanger 3 (machine heat exchanger in machine heat exchanger 31 and second in preferably first
32) and First Heat Exchanger 2 all condenses heat release, described energy storage equipment 6 evaporation endothermic, thus carry out discharging accumulation of heat by energy storage equipment
Heat, while heating the second heat exchanger, carries out heat release defrost to First Heat Exchanger, it is achieved system is passed through when carrying out defrost
The exothermic effects of energy storage equipment can also heat effect to indoor, efficiently solves multi-online air-conditioning system during defrost
The technical problem that indoor are persistently heated cannot be realized.
Preferably, when described second cross valve 4 include the first connection end 41, second connect end 42, the 3rd connect end 43, the
Four connect end 44, and described first cross valve 5 includes that first holds 51, second to hold the 52, the 3rd to hold the 53, the 4th in succession in succession in succession in succession
End 54, when system includes the first electromagnetic valve 7 and the second electromagnetic valve 8, the first connection end 41 and the 4th regulating the second cross valve connects
Connect end 44 connection, the second connection end 42 connects end 43 with the 3rd and connects, and regulate the first cross valve first holds 51 and the 4th in succession
End 54 connection in succession, second in succession end 52 with the 3rd in succession end 53 connect, the first electromagnetic valve 7 cuts out, the second electromagnetic valve 8 is opened.
This is that the energy storage equipment of multi-online air-conditioning system of the present invention carries out the heat of release savings and carries out while defrost also to indoor
Carrying out the concrete operation step heated, the first closed electromagnetic valve is to close the pipe between First Heat Exchanger and compressor air suction mouth
Pipeline that road, the second electromagnetic valve open to connect between exhaust outlet of compressor and First Heat Exchanger thus externally machine heat release is to remove
Frost, two electromagnetic valves play the effect that mate-assist controls jointly.
Preferably, when needs cold-storage (summer evenings), and when also including the second cross valve, the first cross valve is controlled to adjust
5 and second cross valve 4 so that the described independent evaporation endothermic of energy storage equipment 6 or described energy storage equipment 6 and described second heat exchange
The equal evaporation endothermic of device, the most described First Heat Exchanger 2 condenses heat release, thus by two cross valves of energy storage equipment and regulation to this
System is issued to the effect of effective cold-storage at tropical conditions so that system can by day time via energy storage equipment heat absorption make
With, discharge the cold put aside in time so that it is indoor are carried out the effect of refrigeration cool-down, efficiently solve multi-gang air-conditioner system
Unite in the bigger technical problem of thermic load in summer.
Preferably, when described second cross valve 4 include the first connection end 41, second connect end 42, the 3rd connect end 43, the
Four connect end 44, and described first cross valve 5 includes that first holds 51, second to hold the 52, the 3rd to hold the 53, the 4th in succession in succession in succession in succession
End 54, when system includes the first electromagnetic valve 7 and the second electromagnetic valve 8, the first connection end 41 and second regulating the second cross valve connects
Connect end 42 connection, the 3rd connection end 43 connects end 44 with the 4th and connects, and regulate the first cross valve first holds 51 and the 4th in succession
End 54 connection in succession, second in succession end 52 with the 3rd in succession end 53 connect, the first electromagnetic valve 7 is opened, the second electromagnetic valve 8 is opened.
This is the concrete operation step that the energy storage equipment of multi-online air-conditioning system of the present invention carries out cold-storage, and the first electromagnetic valve is opened to connect
Logical pipeline between second heat exchanger and compressor air suction mouth with the second evaporation endothermic cooling effect, the second electromagnetic valve are opened with
Connecting the pipeline between exhaust outlet of compressor and First Heat Exchanger thus externally machine heat release, two electromagnetic valves jointly play auxiliary and join
Close the effect controlled.
Preferably, when needing to release cold-storage cold (preferably summer day), and when also including the second cross valve, control to adjust
Save the first cross valve 5 and the second cross valve 4 so that the second heat exchange evaporation endothermic described in two or more, described energy storage equipment 6 and institute
State First Heat Exchanger 2 and condense heat release, thus discharge cold-storage cold by energy storage equipment, to the second heat exchanger absorbing and cooling temperature.Thus
By energy storage equipment and two cross valves of regulation, this system is discharged under tropical conditions in time the cold put aside so that it is to room
Inside carry out the effect of refrigeration cool-down, efficiently solve multi-online air-conditioning system in the bigger technical problem of thermic load in summer.
Preferably, when described second cross valve 4 include the first connection end 41, second connect end 42, the 3rd connect end 43, the
Four connect end 44, and described first cross valve 5 includes that first holds 51, second to hold the 52, the 3rd to hold the 53, the 4th in succession in succession in succession in succession
End 54, when system includes the first electromagnetic valve 7 and the second electromagnetic valve 8, the first connection end 41 and second regulating the second cross valve connects
Connect end 42 connection, the 3rd connection end 43 connects end 44 with the 4th and connects, and regulate the first cross valve first holds 51 and second in succession
End 52 connection in succession, the 3rd in succession end 53 with the 4th in succession end 54 connect, the first electromagnetic valve 7 is opened, the second electromagnetic valve 8 cuts out.
This is the concrete operation step that the energy storage equipment of multi-online air-conditioning system of the present invention carries out released cold quantity, and the first electromagnetic valve is opened
To connect the pipeline between the second heat exchanger and compressor air suction mouth so that the second evaporation endothermic cooling effect, the second electromagnetic valve to be beaten
The pipeline opening to connect between exhaust outlet of compressor and First Heat Exchanger thus externally machine heat release, two electromagnetic valves play auxiliary jointly
Help and coordinate the effect controlled.
Operation principle and the preferred embodiment of the present invention are described below
The present invention proposes the control method of a kind of multiple on-line system storing cold heat, realizes energy accumulating technique in multi-connected machine system
Application on system, reduces the defrost number of times in system winter operation and realizes the defrost persistently continuous effect heated, reducing system
Summer operation thermic load, effectively reduces units consumption.
In winter, unit night is to energy storage equipment independence accumulation of heat, the heat that daytime, energy storage equipment release stored.Night in winter,
Utilizing electricity price to underestimate energy storage equipment accumulation of heat, daytime, unit was on the premise of consuming a small amount of electric energy, utilized energy storage equipment to store
Heat realizes efficiently heating of interior machine, reaches system frost-free or the purpose of few frosting, electric load is played peak load shifting
Effect, effectively reduces the usage charges of user's air-conditioning.It is embodied as follows:
Heat/accumulation of heat night: compressor is discharged high-temperature gas coolant and is divided into two-way through oil, respectively enters the first cross valve
5 and second cross valve 4, wherein, the second connection end 42 of the second cross valve 4 connect with the 3rd end 43 tunnel connect, the first connection end
41 tunnels connect end 44 tunnel with the 4th and connect, and the first of the first cross valve 5 holds 51 tunnels to hold 52 tunnels to connect in succession with second in succession, and the 3rd
Holding 53 tunnels to hold 54 tunnels to connect in succession with the 4th in succession, the first electromagnetic valve 7 is opened, and the second electromagnetic valve 8 is opened;From the second cross valve 4
Respectively enter indoor set 1 with the first cross valve 5 high-temperature gas coolant out, indoor set 2 13 heats and stores with energy storage equipment
Heat, wherein, if indoor set 1 and indoor set 2 13 are without heating needs, can be by dynamo-electric in closing indoor set blower fan and conditioning chamber
Sub-expansion valve realizes not heating, and system is only to regenerative apparatus 6 accumulation of heat;Gaseous coolant discharges heat in indoor set and regenerative apparatus 6
Become liquid after amount and converge at minor valve, after outer machine expansion valve 21 throttles, in outdoor unit heat exchanger 2, absorbing air heat
Amount, becomes gaseous state;Gaseous coolant is divided into two-way to be entered the second cross valve 4 and by the first electromagnetic valve 7 and the second electromagnetic valve 8 respectively
One cross valve 5;All flowed back to gas-liquid separator 10 by the gaseous coolant out of the second cross valve 4 and the first cross valve 5, finally return
To compressor air suction mouth, it is compressed into high-temperature gas by compressor 1, constitutes closed circuit.
Daytime heats: compressor 1 is discharged high-temperature gas coolant and is divided into two-way through gs-oil separator 11, respectively enters the two or four
Logical valve 4 and the first cross valve 5, wherein, the second connection end 42 of the second cross valve 4 connects end 43 with the 3rd and connects, and first connects
End 41 connect with the 4th end 44 tunnel connect, the first cross valve 5 first in succession end 51 hold in succession with the 4th and 54 connect, second in succession
End 52 holds 53 to connect in succession with the 3rd, and the first electromagnetic valve 7 is opened, and the second electromagnetic valve 8 cuts out;From the second cross valve 4 height out
Temperature gaseous coolant enters indoor set 1 and indoor set 2 13 heats, and becomes liquid, liquid after high-temperature gas coolant release heat
Coolant divides two-way, and the first via enters energy storage equipment 6, absorbs the heat of energy storage equipment 6 storage at night after electric expansion valve throttles,
Liquid refrigerants becomes gaseous state and returns to gas-liquid separator 10 through the second cross valve 5, and the second tunnel, after outer machine expansion valve 21 throttles, enters
Outer machine heat exchanger 2 absorbs heat, and liquid refrigerants becomes gaseous state;From the first cross valve 5 high-temperature gas coolant out through throttling dress
After putting 9 (refin tubule) reducing pressure by regulating flow, converge with outer machine heat exchanger 2 gaseous coolant out, return to by the first cross valve 4
Gas-liquid separator 10, flows back to compressor air suction mouth, is compressed into high-temperature gas by compressor 1, constitutes closed circuit;
In maintaining during system defrost, machine persistently heats: detailed description of the invention is as follows:
Compressor is discharged high-temperature gas coolant and is divided into two-way through oil, respectively enters the first cross valve 5 and the second cross valve
4, wherein, the second connection end 42 tunnel of the second cross valve 4 connects end 43 with the 3rd and connects, and first connects end 41 and the 4th connects end
44 tunnels connections, the first cross valve 5 first in succession end 51 with the 4th in succession end 54 connect, second holds 52 and the 3rd to hold in succession in succession
53 connect, and the first electromagnetic valve 7 cuts out, and the second electromagnetic valve 8 is opened;Enter respectively from the second cross valve 4 high-temperature gas coolant out
Enter indoor set 1 and indoor set 2 13 heats, in high-temperature gas coolant, after release heat, become liquid;Go out from the first cross valve 5
The high-temperature gas coolant come enters outer machine heat exchanger 2 through the second electromagnetic valve 8, discharges heat external machine heat exchange heat exchanger defrosting, high
Coolant after temperature gaseous coolant release heat becomes liquid, converges with interior machine heat exchanger 3 liquid refrigerants out, enters accumulation of energy dress
Putting 6, after electric expansion valve throttles, absorb the heat that energy storage equipment 6 stores, coolant becomes gaseous state and returns to through the first cross valve 5
Gas-liquid separator 10, flows back to compressor air suction mouth, is compressed into high-temperature gas by compressor 1, constitutes closed circuit.
Summer, unit night to energy storage equipment independence cold-storage, daytime energy storage equipment released cold quantity.
Summer evenings, utilizes electricity price low ebb to energy storage equipment 6 cold-storage, and daytime, unit was on the premise of consuming a small amount of electric energy,
The cold utilizing energy storage equipment to store realizes the highly effective refrigeration of indoor set, electric load plays the effect of peak load shifting, effectively
Reduce the usage charges of user's air-conditioning.Detailed description of the invention is as follows:
Night refrigeration/cold-storage: compressor 1 is discharged high-temperature gas coolant and is divided into two-way through gs-oil separator 11, respectively enters
Second cross valve 4 and the first cross valve 5, wherein, the first connection end 41 of the second cross valve 4 connects end 42 with second and connects, the
Three connect ends 43 connect with the 4th end 44 connect, the first cross valve 5 first in succession end 51 with the 4th in succession end 54 connect, second
End 52 holds 53 to connect in succession with the 3rd in succession, and the first electromagnetic valve 7 is opened, and the second electromagnetic valve 8 is opened;From the second cross valve 4 and
One cross valve 5 high-temperature gas coolant out all enters outer machine heat exchanger 2, becomes liquid, enter through minor valve after release heat
Enter indoor set 1, indoor set 2 13 refrigeration, simultaneously to energy storage equipment 6 cold-storage, if interior machine is without refrigeration demand, machine in closable chamber
Blower fan and electric expansion valve, can be individually to energy storage equipment 6 cold-storage;Liquid refrigerants is after reducing pressure by regulating flow, in indoor set 1, indoor
Absorb heat in machine 2 13 and energy storage equipment 6 and become gaseous state, flow back to gas-liquid divide through the second cross valve 4 and the first cross valve 5 respectively
From device 10, flow back to compressor air suction mouth, be compressed into high-temperature gas by compressor 1, constitute closed circuit.
Summer day freezes: compressor 1 is discharged high-temperature gas coolant and is divided into two-way through gs-oil separator 11, respectively enters the
Two cross valve 4 and the first cross valves 5, wherein, the first connection end 41 of the second cross valve 4 connects end 42 with second and connects, and the 3rd
Connecting end 43 to connect with the 4th connection end 44 tunnel, the first of the first cross valve 5 holds 51 to hold 52 to connect in succession with second in succession, and the 3rd
End 53 holds 54 to connect in succession with the 4th in succession, and the first electromagnetic valve 7 is opened, and the second electromagnetic valve 8 cuts out;From the second cross valve 4 out
High-temperature gas coolant all enter outer machine heat exchanger 2, become liquid after release heat;First cross valve 5 high-temperature gas out
Coolant enters energy storage equipment 6, absorbs the cold stored night, becomes liquid refrigerants and converges with outer machine heat exchanger liquid refrigerants out
Closing, respectively enter indoor set 1 and indoor set 2 13, heat in absorption chamber after electric expansion valve throttles, liquid refrigerants becomes
Gaseous state, returns to gas-liquid separator 10 through the second cross valve 4, flows back to compressor air suction mouth, be compressed into high-temperature gas by compressor 1,
Constitute closed circuit.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.With
It is only the preferred embodiment of the present invention described on, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, it is also possible to make some improvement and modification, these improve and modification also should be regarded as this
The protection domain of invention.
Claims (15)
1. an air conditioning system, it is characterised in that: include compressor (1), First Heat Exchanger (2), the second heat exchanger (3), also wrap
Include the first cross valve (5) and energy storage equipment (6), wherein,
The first of described first cross valve (5) holds (51) to be connected to the air vent of described compressor (1) in succession, and second holds (52) in succession
Being connected to described energy storage equipment (6), the 3rd holds (53) to be connected to the air entry of described compressor (1) in succession, and the 4th holds (54) even in succession
To described First Heat Exchanger (2);
Also including the second cross valve (4), the first connection end (41) of described second cross valve (4) is connected to described compressor (1)
Air entry, the second connection end (42) are connected to described second heat exchanger (3), the 3rd connection end (43) is connected to described compressor (1)
Air vent, the 4th connection end (44) are connected to described First Heat Exchanger (2).
Air conditioning system the most according to claim 1, it is characterised in that: at described second cross valve (4) and described compressor
(1) the first electromagnetic valve (7) it is additionally provided with on the refrigerant pipeline between air entry;And/or, described first cross valve (5) with
The second electromagnetic valve (8) it is additionally provided with on refrigerant pipeline between described First Heat Exchanger (2).
Air conditioning system the most according to claim 2, it is characterised in that: the most in parallel at the two ends of described second electromagnetic valve (8)
Be provided with throttling arrangement (9).
4. according to the air conditioning system one of claim 1-3 Suo Shu, it is characterised in that: with described compressor (1) air entry phase
It is additionally provided with gas-liquid separator (10) on pipeline even;And/or, on the pipeline being connected with described compressor (1) air vent also
It is provided with gs-oil separator (11).
5. the control method of an air conditioning system, it is characterised in that: use the multi-gang air-conditioner system that one of claim 1-4 is described
System, by control to adjust the first cross valve and the second cross valve system being carried out accumulation of heat, cold-storage, heat release, let cool and defrost is held
The continuous control heated.
Control method the most according to claim 5, it is characterised in that: when needs accumulation of heat, and also include the second cross valve
Time, control to adjust described first cross valve (5) and described second cross valve (4) so that described second heat exchanger (3) and described storage
Can all condense heat release, described First Heat Exchanger (2) evaporation endothermic by device (6).
Control method the most according to claim 6, it is characterised in that: when described system includes the first electromagnetic valve (7) and
During two electromagnetic valves (8), regulate the second cross valve first connection end (41) and the 4th connect end (44) connect, second connection end
(42) connect end (43) with the 3rd connect, regulate the first of the first cross valve in succession end (51) hold (52) to connect in succession with second,
3rd holds (53) to hold (54) to connect in succession with the 4th in succession, and the first electromagnetic valve (7) is opened, the second electromagnetic valve (8) cuts out.
Control method the most according to claim 5, it is characterised in that: when accumulation of heat heat released by needs, and also include the
During two cross valves, control to adjust described first cross valve (5) and described second cross valve (4) so that described second heat exchanger (3)
Condensation heat release, described energy storage equipment (6) and described First Heat Exchanger (2) all evaporation endothermics.
Control method the most according to claim 8, it is characterised in that: when described system includes the first electromagnetic valve (7) and
During two electromagnetic valves (8), regulate the second cross valve first connection end (41) and the 4th connect end (44) connect, second connection end
(42) connect end (43) with the 3rd connect, regulate the first of the first cross valve in succession end (51) hold (54) to connect in succession with the 4th,
Second holds (52) to hold (53) to connect in succession with the 3rd in succession, and the first electromagnetic valve (7) is opened, the second electromagnetic valve (8) cuts out.
Control method the most according to claim 5, it is characterised in that: during system defrost, and also include the two or four
During logical valve, control to adjust described second cross valve (4) and described first cross valve (5) so that described second heat exchanger (3) and the
One heat exchanger (2) all condenses heat release, described energy storage equipment (6) evaporation endothermic.
11. control methods according to claim 10, it is characterised in that: when described system include the first electromagnetic valve (7) and
During the second electromagnetic valve (8), regulate the second cross valve first connection end (41) and the 4th connect end (44) connect, second connection end
(42) connect end (43) with the 3rd connect, regulate and the first (51) of the first cross valve hold with the 4th (54) to connect in succession, second connect
Lian Duan (52) holds (53) to connect in succession with the 3rd, and the first electromagnetic valve (7) cuts out, the second electromagnetic valve (8) is opened.
12. control methods according to claim 5, it is characterised in that: when needs cold-storage, and also include the second cross valve
Time, control to adjust the second cross valve (4) and the first cross valve (5) so that described energy storage equipment (6) individually evaporation endothermic or
Described energy storage equipment (6) and the described second equal evaporation endothermic of heat exchanger, the most described First Heat Exchanger (2) condensation heat release.
13. control methods according to claim 12, it is characterised in that: when described system include the first electromagnetic valve (7) and
During the second electromagnetic valve (8), regulate the second cross valve first connection end (41) and second connect end (42) connect, the 3rd connection end
(43) connect end (44) with the 4th connect, regulate the first of the first cross valve in succession end (51) hold (54) to connect in succession with the 4th,
Second holds (52) to hold (53) to connect in succession with the 3rd in succession, and the first electromagnetic valve (7) is opened, the second electromagnetic valve (8) is opened.
14. control methods according to claim 5, it is characterised in that: when cold-storage cold released by needs, and also include the
During two cross valves, control to adjust the second cross valve (4) and the first cross valve (5) so that the second heat exchange evaporation described in two or more
Heat absorption, described energy storage equipment (6) and described First Heat Exchanger (2) condensation heat release.
15. control methods according to claim 14, it is characterised in that: when described system include the first electromagnetic valve (7) and
During the second electromagnetic valve (8), regulate the second cross valve first connection end (41) and second connect end (42) connect, the 3rd connection end
(43) connect end (44) with the 4th connect, regulate the first of the first cross valve in succession end (51) hold (52) to connect in succession with second,
3rd holds (53) to hold (54) to connect in succession with the 4th in succession, and the first electromagnetic valve (7) is opened, the second electromagnetic valve (8) cuts out.
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CN109186042A (en) * | 2018-09-20 | 2019-01-11 | 珠海格力电器股份有限公司 | Defrosting method for air conditioner |
CN110849021A (en) * | 2019-11-28 | 2020-02-28 | 浙江高翔工贸有限公司 | Continuous heating defrosting-free air conditioner |
CN111457466A (en) * | 2020-02-14 | 2020-07-28 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
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CN111765595A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Multi-split air conditioner and defrosting control method and device thereof and storage medium |
CN111947379A (en) * | 2020-08-10 | 2020-11-17 | 珠海格力电器股份有限公司 | Air conditioning unit capable of effectively utilizing energy and control method and device thereof |
CN112628901A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling implementation method based on partitioned energy source station |
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