CN106123170B - A kind of air-conditioning system and its control method - Google Patents
A kind of air-conditioning system and its control method Download PDFInfo
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- CN106123170B CN106123170B CN201610490088.9A CN201610490088A CN106123170B CN 106123170 B CN106123170 B CN 106123170B CN 201610490088 A CN201610490088 A CN 201610490088A CN 106123170 B CN106123170 B CN 106123170B
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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
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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
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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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
- 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
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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
- F24F5/0017—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
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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
- 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
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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
- 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
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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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/021—Alternate defrosting
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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
- 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
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- 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
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- 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 present invention provides a kind of air-conditioning system and its control method, system includes compressor (1), First Heat Exchanger (2), interior machine heat exchanger (3), the first four-way valve (5) and energy storage equipment (6), wherein the first of the first four-way valve (5) holds (51) to be connected to the exhaust outlet of compressor (1) in succession, second holds (52) to be connected to energy storage equipment (6) in succession, third holds (53) to be connected to the air entry of compressor (1) in succession, and the 4th holds (54) to be connected to First Heat Exchanger (2) in succession；It further include the second four-way valve (4), the first connecting pin (41) of the second four-way valve (4) is connected to the air entry of compressor (1), second connection end (42) is connected to the second heat exchanger (3), third connecting pin (43) are connected to the exhaust outlet of compressor (1), the 4th connecting pin (44) is connected to First Heat Exchanger (2).It is able to solve the larger technical problem of air-conditioning system electric load through the invention.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air-conditioning system and its control method.
Background technique
Accumulation of energy is used widely in Large Central Air Conditioning System system as a mature technology, and small-sized household is central
Air conditioning applications energy accumulating technique is seldom.In recent years, small-sized household central air-conditioning kept rapid growth, and operation characteristic can give electric power
Supply system causes the increasing pressure；And running defrost number is more and in defrost in winter for air-conditioning system
Period can not be provided to the effect that persistently heats of interior, run that thermic load is larger, units consumption is larger in summer operation.
Since that there are electric loads is larger, defrost number is more, defrost for home multi-line air-conditioning system in the prior art
The technical problems such as period lasting to interior can not heat, summer thermic load is larger, therefore researching and designing of the present invention goes out a kind of air-conditioning
System and its control method.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome air-conditioning system in the prior art there are electric load compared with
Big defect, to provide a kind of air-conditioning system and its control method.
The present invention provides a kind of air-conditioning system comprising compressor, First Heat Exchanger, the second heat exchanger, further include first
Four-way valve and energy storage equipment, wherein
The first of first four-way valve holds the exhaust outlet for being connected to the compressor in succession, second in succession end be connected to institute
State energy storage equipment, third holds the air entry for being connected to the compressor in succession, the 4th in succession end be connected to the First Heat Exchanger,
It further include the second four-way valve, the first connecting pin of second four-way valve is connected to the air entry of the compressor,
Second connection end is connected to second heat exchanger, and third connecting pin is connected to the exhaust outlet of the compressor, the 4th connecting pin
It is connected to the First Heat Exchanger.
Preferably, is additionally provided on the refrigerant pipeline between second four-way valve and the air entry of the compressor
One solenoid valve；And/or the second electricity is additionally provided on the refrigerant pipeline between first four-way valve and the First Heat Exchanger
Magnet valve.
Preferably, it is also provided with throttling set in parallel at the both ends of the second solenoid valve.
Preferably, gas-liquid separator is additionally provided on the connected pipeline of the air entry of the compressor；And/or described
Gs-oil separator is additionally provided on the connected pipeline of the exhaust outlet of compressor.
The present invention also provides a kind of control methods of multi-online air-conditioning system, use multi-online air-conditioning system above-mentioned,
By controlling to adjust first four-way valve to carry out accumulation of heat to system, cold-storage, heat release, let cool and control that defrost persistently heats
System.
Preferably, when needing accumulation of heat, and when further including the second four-way valve, first four-way valve and described is controlled to adjust
Second four-way valve, so that second heat exchanger and the energy storage equipment condense heat release, the First Heat Exchanger evaporation endothermic.
Preferably, when the system comprises the first solenoid valve and second solenoid valve, adjust the second four-way valve first connects
Connect end be connected to the 4th connecting pin, second connection end be connected to third connecting pin, adjusting the first four-way valve first in succession hold with
Second in succession end connection, third hold in succession with the 4th in succession end be connected to, the first solenoid valve unlatching, second solenoid valve closing.
Preferably, when needing to release accumulation of heat heat, and when further including the second four-way valve, first four-way is controlled to adjust
Valve and second four-way valve, so that second heat exchanger condensation heat release, the energy storage equipment and the First Heat Exchanger are equal
Evaporation endothermic.
Preferably, when the system comprises the first solenoid valve and second solenoid valve, adjust the second four-way valve first connects
Connect end be connected to the 4th connecting pin, second connection end be connected to third connecting pin, adjusting the first four-way valve first in succession hold with
4th end is held in succession with third and be connected in succession for end connection, second in succession, and the first solenoid valve opens, second solenoid valve closing.
Preferably, during system defrost, and when further including the second four-way valve, control to adjust first four-way valve and
Second four-way valve, so that second heat exchanger and First Heat Exchanger condense heat release, the energy storage equipment evaporation endothermic.
Preferably, when the system comprises the first solenoid valve and second solenoid valve, adjust the second four-way valve first connects
Connect end be connected to the 4th connecting pin, second connection end be connected to third connecting pin, adjusting the first four-way valve first in succession hold with
4th end is held in succession with third and be connected in succession for end connection, second in succession, and the first solenoid valve closes, second solenoid valve opening.
Preferably, when needing cold-storage, and when further including the second four-way valve, the first four-way valve and the second four-way are controlled to adjust
Valve, so that the independent evaporation endothermic of the energy storage equipment or the energy storage equipment and the equal evaporation endothermic of the second heat exchanger, together
Shi Suoshu First Heat Exchanger condenses heat release.
Preferably, when the system comprises the first solenoid valve and second solenoid valve, adjust the second four-way valve first connects
Connect that end is connected to second connection end, third connecting pin is connected to the 4th connecting pin, adjust the first of the first four-way valve in succession end and
4th end is held in succession with third and be connected in succession for end connection, second in succession, and the first solenoid valve opens, second solenoid valve opening.
Preferably, when needing to release cold-storage cooling capacity, and when further including the second four-way valve, control to adjust the first four-way valve and
Second four-way valve, so that more than two second heat exchange evaporation endothermics, the energy storage equipment and First Heat Exchanger condensation
Heat release.
Preferably, when the system comprises the first solenoid valve and second solenoid valve, adjust the first four-way valve first connects
Connect that end is connected to second connection end, third connecting pin is connected to the 4th connecting pin, adjust the first of the second four-way valve in succession end and
Second in succession end connection, third hold in succession with the 4th in succession end be connected to, the first solenoid valve opening, second solenoid valve closing.
A kind of air-conditioning system and its control method provided by the invention have the following beneficial effects:
1. air-conditioning system and its control method through the invention can be to this by energy storage equipment and two four-way valves
System plays the role of accumulation of heat, cold-storage, carries out accumulation of energy using energy storage equipment in low electricity price and lower electrical energy demands, in high electricity
Its energy put aside is discharged when valence and vigorous electrical energy demands, to play the role of peak load shifting to electric load, is effectively dropped
The usage charges of low user's air-conditioning solve the multi-online air-conditioning system especially biggish technology of small-sized household air-conditioning system electric load
Problem；
2. air-conditioning system and its control method through the invention, additionally it is possible to by energy storage equipment and two four-way valves to this
System plays the role of effective accumulation of heat under cold conditions, thus the heat put aside in time to indoor release, reductionization
The number and frequent of frost；
3. air-conditioning system and its control method through the invention, additionally it is possible to by energy storage equipment and two four-way valves to this
System plays the role of effective accumulation of heat under cold conditions, thus via the heat release of energy storage equipment when carrying out defrost in system
Effect makes it that can also carry out heating effect to interior, and efficiently solve multi-online air-conditioning system cannot achieve pair during defrost
The technical issues of interior persistently heats；
4. air-conditioning system and its control method through the invention, additionally it is possible to by energy storage equipment and two four-way valves to this
System plays the role of effective cold-storage under tropical conditions, so that system is made via the heat absorption of energy storage equipment during the day
With the put aside cooling capacity of release, makes it efficiently solve multi-gang air-conditioner system to the effect of indoor carry out refrigeration cool-down in time
The system technical problem larger in summer thermic load.
Detailed description of the invention
Fig. 1 is that night carries out the system structure diagram that accumulation of heat adds or be not added heating to air-conditioning system of the invention in winter；
Fig. 2 is the system structure diagram that air-conditioning system of the invention is heated daytime in winter；
Fig. 3 is the system structure diagram of air-conditioning system of the invention during defrost；
Fig. 4 is the system structure diagram that air-conditioning system of the invention adds or be not added refrigeration in summer evenings progress cold-storage；
Fig. 5 is the system structure diagram that air-conditioning system of the invention is freezed in summer day；.
Appended drawing reference indicates in figure are as follows:
1-compressor, 2-First Heat Exchangers (or outer machine heat exchanger), 21-outer machine expansion valves, the 3-the second heat exchanger
(or interior machine heat exchanger), machine heat exchanger in 31-the first, machine expansion valve in 311-the first, machine heat exchanger in 32-the second,
Machine expansion valve in 321-the second, the 4-the second four-way valve, the 41-the first connecting pin, 42-second connection ends, the connection of 43-thirds
End, the 44-the four connecting pin, the 5-the first four-way valve, 51-the first holds in succession, and 52-the second holds in succession, and 53-thirds are held in succession,
54-the four holds in succession, 6-energy storage equipments, 61-accumulation of energy expansion valves, the 7-the first solenoid valve, 8-second solenoid valves, 9-throttlings
Device, 10-gas-liquid separators, 11-gs-oil separators, 12-indoor units one, 13-indoor units two.
Specific embodiment
As shown in Figs. 1-5, the present invention provides a kind of air-conditioning system (preferably multi-online air-conditioning system) comprising compressor 1,
First Heat Exchanger 2, the second heat exchanger 3 and the second four-way valve 4 that above-mentioned component is separately connected by pipeline, further include the one or four
Port valve 5 and energy storage equipment 6, wherein four connecting pins of first four-way valve 5 are respectively connected to the air-breathing of the compressor 1
One end of mouth, exhaust outlet, the First Heat Exchanger 2 and the energy storage equipment 6, the other end of the energy storage equipment 6 are connected to described
First Heat Exchanger 2.
Multi-online air-conditioning system through the invention, can by energy storage equipment and the first four-way valve to the system especially
Small-sized household air-conditioning system plays the role of accumulation of heat, cold-storage, is carried out in low electricity price and lower electrical energy demands using energy storage equipment
Accumulation of energy effect, its energy put aside is discharged in high electricity price and vigorous electrical energy demands, is filled out to play peak clipping to electric load
The usage charges of user's air-conditioning are effectively reduced in the effect of paddy, solve multi-online air-conditioning system especially small-sized household air-conditioning system electricity
The larger technical problem of power load；
The work of effective accumulation of heat can also be played under cold conditions to the system by energy storage equipment and the first four-way valve
With reducing defrost number and frequent thus the heat put aside in time to indoor release；
The work of effective accumulation of heat can also be played under cold conditions to the system by energy storage equipment and the first four-way valve
With having to carry out making it that can also carry out heating effect to interior via the exothermic effects of energy storage equipment when defrost in system
Solve multi-online air-conditioning system to effect cannot achieve the technical issues of persistently heating to interior during defrost；
The work of effective cold-storage can also be played under tropical conditions to the system by energy storage equipment and the first four-way valve
With, thus the heat-absorbing action in system when daytime via energy storage equipment, the put aside cooling capacity of release in time, make its to interior into
It is larger (if referring to that summer does not adopt in summer thermic load to efficiently solve multi-online air-conditioning system for the effect of row refrigeration cool-down
With cold-storage, interior machine heat exchanger can from the king-sized cooling capacity of outdoor absorption, cause outdoor temperature is very high, heat very
Greatly) the technical issues of.
Preferably, four connecting pins of first four-way valve 5 are respectively the first end 52, the in succession of end 51, second in succession
Three hold 53 and the 4th to hold 54 in succession in succession, wherein described first holds 51 to be connected to the compressor 1 by refrigerant pipeline in succession
Exhaust outlet (is connected to the third connecting pin 43 of second four-way valve 4), and described second holds 52 to pass through refrigerant pipeline in succession connects
It is connected to the energy storage equipment 6, the third holds 53 air entries for being connected to the compressor 1 (to be connected to described second in succession
The second connection end 42 of four-way valve 4), the described 4th holds 54 to be connected to the First Heat Exchanger 2 in succession.This is the first four-way valve
Specific structure and specific connection type, by this connection type can by first in succession end be connected to exhaust outlet of compressor,
By second in succession end be connected to energy storage equipment, third holds to be connected to compressor air suction mouth, the 4th and hold in succession in succession is connected to First Heat Exchanger,
To realize between above-mentioned 4 components it is effective switch and be connected to.
Preferably, four connecting pins of second four-way valve 4 are respectively the first connecting pin 41, second connection end 42,
Three connecting pins 43 and the 4th connecting pin 44, wherein first connecting pin 41 is connected to the compressor 1 by refrigerant pipeline
Air entry, the second connection end 42 are connected to second heat exchanger 3 by refrigerant pipeline, and the third connecting pin 43 connects
To the exhaust outlet of the compressor 1, the 4th connecting pin 44 is connected to the First Heat Exchanger 2.This is the second four-way valve
Specific structure and specific connection type, by this connection type the first connecting pin can be connected to compressor air suction mouth,
Second connection end is connected to the second heat exchanger, third connecting pin is connected to exhaust outlet of compressor, the 4th connecting pin is connected to the first heat exchange
Device, thus realize between above-mentioned 4 components it is effective switch and be connected to.
Preferably, the refrigerant between second four-way valve 4 (the first connecting pin 41) and the air entry of the compressor 1
The first solenoid valve 7 is additionally provided on pipeline；And/or in first four-way valve 5 (the 4th holds 54 in succession) and first heat exchange
Second solenoid valve 8 is additionally provided on refrigerant pipeline between device 2.It is inhaled by the first connecting pin in the second four-way valve with compressor
The mode of the first solenoid valve is arranged in refrigerant pipeline between port, can effectively to the first solenoid valve and compressor air suction mouth it
Between pipeline controlled, suitable for closing the pipeline during defrost so as to indoor heating and outdoor defrost simultaneously into
Row, other modes valve are all opened；By holding the refrigerant pipe between 54 and First Heat Exchanger in succession the 4th of the first four-way valve
The mode of second solenoid valve is arranged in road, can effectively control to the pipeline between second solenoid valve and First Heat Exchanger
System is closed the pipeline by closing second solenoid valve suitable for heating on daytime in winter and summer day process of refrigerastion, is made
Refrigerant does not circulate and the pipeline or need to can just flow through (decompression) by larger resistance so that First Heat Exchanger and energy storage equipment are simultaneously
Play the role of heat exchange to the second heat exchanger.
Preferably, it is also provided with (the preferably throttling capillary of throttling set 9 in parallel at the both ends of the second solenoid valve 8
Pipe).By the both ends in second solenoid valve be arranged in parallel throttling set structure type can when closing second solenoid valve (this
State is suitable for the operational process of heating on daytime in winter and summer day refrigeration), blocking work is carried out to refrigerant by throttling set
With the purpose for achieving the purpose that reducing pressure by regulating flow or air-flow being stopped to flow through from this, so that energy storage equipment can be passed through under this state by realizing
With the First Heat Exchanger effect to the heat exchange of the second heat exchanger simultaneously.
Preferably, gas-liquid separator 10 is additionally provided on the connected pipeline of the air entry of the compressor 1；And/or in institute
It states and is additionally provided with gs-oil separator 11 on the connected pipeline of exhaust outlet of compressor 1.By the way that gas-liquid point is arranged in compressor air suction mouth
From the movement that device can carry out gas-liquid separation to the refrigerant medium entered in compressor, it is effectively ensured into the refrigerant in compressor
Working medium is gaseous state as far as possible, prevents from generating liquid hit phenomenon in compressor, and gs-oil separator energy is arranged in exhaust outlet of compressor
Enough movements that Oil-gas Separation is carried out to refrigerant medium exhausted from the compressor, be effectively prevented lubricating oil in compressor chamber because
It is surprisingly taken out of inside compressor for gas discharge, it is therefore prevented that oil starvation in compressor and the feelings for influencing motor, rotor equivalent life
The generation of condition, moreover it is possible to effectively improve the purity of the refrigerant medium of discharge, improve operation of air conditioner efficiency.
It is further preferred that (close to the First Heat Exchanger 2 on the refrigerant pipeline being connected with the First Heat Exchanger 2
Position at) be provided with outer machine expansion valve 21, (close to described on the refrigerant pipeline being connected with each second heat exchanger 3
At the position of second heat exchanger) it is provided with interior machine expansion valve (including machine expansion valve in machine expansion valve 311 and second in first
321), to be provided with accumulation of energy swollen (at the position of the energy storage equipment 6) on the refrigerant pipeline being connected with the energy storage equipment 6
Swollen valve 61.It is provided with expansion valve on the adjacent pipeline of each heat exchanger, can carry out controlling according to actual needs and selective
The specific expansion valve events of ground control, so that the heat exchanger being attached thereto plays the role of evaporator.
It is further preferred that machine changes in machine heat exchanger 31 and second in respectively first there are two second heat exchangers 3
Hot device 32.This is the preferred number and structure type of the second heat exchanger.
The present invention also provides a kind of control methods of multi-online air-conditioning system, use multi-online air-conditioning system above-mentioned,
According to the ambient conditions of indoor and outdoor and actual demand, by controlling to adjust first four-way valve to carry out accumulation of heat to system, store
Cold, heat release is let cool and control that defrost persistently heats.The control method of multi-online air-conditioning system through the invention, by making
With multi-online air-conditioning system above-mentioned, the work of accumulation of heat, cold-storage can be played to the system by energy storage equipment and the first four-way valve
With in low electricity price and lower electrical energy demands using energy storage equipment progress accumulation of energy effect, in high electricity price and vigorous electrical energy demands
Its energy put aside is discharged, to play the role of peak load shifting to electric load, the usage charges of user's air-conditioning are effectively reduced,
Solve the larger technical problem of multi-online air-conditioning system electric load；
The work of effective accumulation of heat can also be played under cold conditions to the system by energy storage equipment and the first four-way valve
With reducing defrost number and frequent thus the heat put aside in time to indoor release；
The work of effective accumulation of heat can also be played under cold conditions to the system by energy storage equipment and the first four-way valve
With having to carry out making it that can also carry out heating effect to interior via the exothermic effects of energy storage equipment when defrost in system
Solve multi-online air-conditioning system to effect cannot achieve the technical issues of persistently heating to interior during defrost；
The work of effective cold-storage can also be played under tropical conditions to the system by energy storage equipment and the first four-way valve
With, thus the heat-absorbing action in system when daytime via energy storage equipment, the put aside cooling capacity of release in time, make its to interior into
The effect of row refrigeration cool-down efficiently solves the multi-online air-conditioning system technical problem larger in summer thermic load.
Preferably, when needing accumulation of heat (preferably night in winter), when and further including the second four-way valve, described the is controlled to adjust
One four-way valve 5 and second four-way valve 4, so that second heat exchanger 3 (preferably includes machine heat exchanger 31 and second in first
Interior machine heat exchanger 32) and the energy storage equipment 6 condense heat release, 2 evaporation endothermic of the First Heat Exchanger, thus pass through accumulation of energy fill
Set 6 carry out accumulation of heats.The effect absorbed heat using energy storage equipment from outdoor can be realized by adjusting the first and second four-way valves,
Complete the operating procedure of accumulation of heat.
Preferably, when second four-way valve 4 includes the first connecting pin 41, second connection end 42, third connecting pin 43, the
Four connecting pins 44, first four-way valve 5 include that first end 52, third are held the 53, the 4th in succession in succession in succession at end 51, second in succession
End 54, when system includes the first solenoid valve 7 and second solenoid valve 8, the first connecting pin 41 and the 4th for adjusting the second four-way valve connects
It connects and 44 connections, second connection end 42 is held to be connected to third connecting pin 43, adjust the first four-way valve first holds 51 and second in succession
52 connection of end, third hold 53 to hold 54 to be connected in succession with the 4th in succession in succession, and the first solenoid valve 7 is opened, second solenoid valve 8 is closed.
This is that the energy storage equipment of multi-online air-conditioning system of the invention carries out the concrete operation step of accumulation of energy (accumulation of heat), the first and second electricity
Magnet valve plays the role of mate-assist control.
Preferably, when needing to release accumulation of heat heat (daytime in winter), when and further including the second four-way valve, institute is controlled to adjust
The first four-way valve 5 and second four-way valve 4 are stated, (the machine heat exchanger 31 and in preferably first so that second heat exchanger 3
Machine heat exchanger 32 in two) condensation heat release, the energy storage equipment 6 and the equal evaporation endothermic of the First Heat Exchanger 2, to pass through accumulation of energy
Device 6 carries out release accumulation of heat heat, simultaneously by obtaining another part heat to First Heat Exchanger evaporation endothermic, jointly to second
Heat exchanger is heated, and heats power and effect are improved, and reduces the number of defrost and frequent.
Preferably, when second four-way valve 4 includes the first connecting pin 41, second connection end 42, third connecting pin 43, the
Four connecting pins 44, first four-way valve 5 include that first end 52, third are held the 53, the 4th in succession in succession in succession at end 51, second in succession
End 54, when system includes the first solenoid valve 7 and second solenoid valve 8, the first connecting pin 41 and the 4th for adjusting the second four-way valve connects
It connects and 44 connections, second connection end 42 is held to be connected to third connecting pin 43, adjust the first four-way valve first holds 51 and the 4th in succession
End 52 holds 53 to be connected in succession with third in succession for 54 connection of end, second in succession, and the first solenoid valve 7 is opened, second solenoid valve 8 is closed.
This is the concrete operation step for the heat that the energy storage equipment of multi-online air-conditioning system of the invention carries out release savings, the first electromagnetism
Valve is opened to be connected to First Heat Exchanger and compressor air suction mouth, second solenoid valve and close to flow to the second electromagnetism to compressor outlet
The branch line of valve 8 carries out pipeline of the reducing pressure by regulating flow finally with First Heat Exchanger outlet and mutually converges, and two solenoid valves play jointly
The effect of mate-assist control.
Preferably, during system defrost, and when further including the second four-way valve, first four-way valve 5 is controlled to adjust
With second four-way valve 4, (the machine heat exchanger in machine heat exchanger 31 and second in preferably first so that second heat exchanger 3
32) and First Heat Exchanger 2 condenses heat release, 6 evaporation endothermic of the energy storage equipment, to carry out release accumulation of heat by energy storage equipment
Heat carries out heat release defrost while heating to the second heat exchanger, to First Heat Exchanger, and realization system passes through when carrying out defrost
The exothermic effects of energy storage equipment can also carry out heating effect to interior, efficiently solve multi-online air-conditioning system during defrost
It cannot achieve the technical issues of persistently heating to interior.
Preferably, when second four-way valve 4 includes the first connecting pin 41, second connection end 42, third connecting pin 43, the
Four connecting pins 44, first four-way valve 5 include that first end 52, third are held the 53, the 4th in succession in succession in succession at end 51, second in succession
End 54, when system includes the first solenoid valve 7 and second solenoid valve 8, the first connecting pin 41 and the 4th for adjusting the second four-way valve connects
It connects and 44 connections, second connection end 42 is held to be connected to third connecting pin 43, adjust the first four-way valve first holds 51 and the 4th in succession
End 52 holds 53 to be connected in succession with third in succession for 54 connection of end, second in succession, and the first solenoid valve 7 is closed, second solenoid valve 8 is opened.
This be the energy storage equipment of multi-online air-conditioning system of the invention carry out release savings heat carry out defrost while also to interior
The concrete operation step heated, the first solenoid valve are closed to close the pipe between First Heat Exchanger and compressor air suction mouth
Road, second solenoid valve are opened to connect the pipeline between exhaust outlet of compressor and First Heat Exchanger to which external machine heat release is to remove
Frost, two solenoid valves play the role of mate-assist control jointly.
Preferably, when needing cold-storage (summer evenings), when and further including the second four-way valve, the first four-way valve is controlled to adjust
5 and second four-way valve 4, so that the independent evaporation endothermic of the energy storage equipment 6 or the energy storage equipment 6 and second heat exchange
The equal evaporation endothermic of device, while the First Heat Exchanger 2 condenses heat release, to by energy storage equipment and adjust two four-way valves to this
System has the function that effective cold-storage under tropical conditions, enables the system to make via the heat absorption of energy storage equipment during the day
With the put aside cooling capacity of release, makes it efficiently solve multi-gang air-conditioner system to the effect of indoor carry out refrigeration cool-down in time
The system technical problem larger in summer thermic load.
Preferably, when second four-way valve 4 includes the first connecting pin 41, second connection end 42, third connecting pin 43, the
Four connecting pins 44, first four-way valve 5 include that first end 52, third are held the 53, the 4th in succession in succession in succession at end 51, second in succession
End 54, when system includes the first solenoid valve 7 and second solenoid valve 8, the first connecting pin 41 and second for adjusting the second four-way valve connects
It connects and 42 connections, third connecting pin 43 is held to be connected to the 4th connecting pin 44, adjust the first four-way valve first holds 51 and the 4th in succession
End 52 holds 53 to be connected in succession with third in succession for 54 connection of end, second in succession, and the first solenoid valve 7 is opened, second solenoid valve 8 is opened.
This is that the energy storage equipment of multi-online air-conditioning system of the invention carries out the concrete operation step of cold-storage, and the first solenoid valve is opened to connect
Pipeline between logical second heat exchanger and compressor air suction mouth with to the second evaporation endothermic cooling effect, second solenoid valve open with
The pipeline between exhaust outlet of compressor and First Heat Exchanger is connected to external machine heat release, two solenoid valves play auxiliary jointly and match
Close the effect of control.
Preferably, when needing to release cold-storage cooling capacity (preferably summer day), and when further including the second four-way valve, control is adjusted
The first four-way valve 5 and the second four-way valve 4 are saved, so that more than two second heat exchange evaporation endothermics, the energy storage equipment 6 and institute
It states First Heat Exchanger 2 and condenses heat release, so that cold-storage cooling capacity is discharged by energy storage equipment, to the second heat exchanger absorbing and cooling temperature.To
By energy storage equipment and two four-way valves of adjusting put aside cooling capacity is discharged to the system in time under tropical conditions, makes it to room
The interior effect for carrying out refrigeration cool-down, efficiently solves the multi-online air-conditioning system technical problem larger in summer thermic load.
Preferably, when second four-way valve 4 includes the first connecting pin 41, second connection end 42, third connecting pin 43, the
Four connecting pins 44, first four-way valve 5 include that first end 52, third are held the 53, the 4th in succession in succession in succession at end 51, second in succession
End 54, when system includes the first solenoid valve 7 and second solenoid valve 8, the first connecting pin 41 and second for adjusting the second four-way valve connects
It connects and 42 connections, third connecting pin 43 is held to be connected to the 4th connecting pin 44, adjust the first four-way valve first holds 51 and second in succession
52 connection of end, third hold 53 to hold 54 to be connected in succession with the 4th in succession in succession, and the first solenoid valve 7 is opened, second solenoid valve 8 is closed.
This is that the energy storage equipment of multi-online air-conditioning system of the invention carries out the concrete operation step of released cold quantity, and the first solenoid valve is opened
With the pipeline between the second heat exchanger of connection and compressor air suction mouth to beat the second evaporation endothermic cooling effect, second solenoid valve
It opens to connect the pipeline between exhaust outlet of compressor and First Heat Exchanger to external machine heat release, two solenoid valves play auxiliary jointly
The effect for helping cooperation to control.
The working principle of the invention and preferred embodiment is described below
The present invention proposes a kind of control method of multi-line system that can store cold heat, realizes energy accumulating technique in multi-connected machine system
Application on system reduces the defrost number in system winter operation and realizes that defrost persistently continues the effect of heating, reduces system
Summer operation thermic load, effectively reduces units consumption.
In winter, unit night is to energy storage equipment independence accumulation of heat, the heat of energy storage equipment on daytime release storage.Night in winter,
Underestimated using electricity price to energy storage equipment accumulation of heat, daytime, unit utilized energy storage equipment storage under the premise of consuming a small amount of electric energy
Heat realizes the efficient heating of interior machine, achievees the purpose that system frost-free or few frosting, plays peak load shifting to electric load
Effect, is effectively reduced the usage charges of user's air-conditioning.It is embodied as follows:
Night heating/accumulation of heat: compressor is discharged high-temperature gas refrigerant and is divided into two-way through oil, respectively enters the first four-way valve
5 and second four-way valve 4, wherein the second connection end 42 of the second four-way valve 4 is connected to 43 tunnel of third connecting pin, the first connecting pin
41 tunnels are connected to 44 tunnel of the 4th connecting pin, and the first of the first four-way valve 5 holds 51 tunnels to hold 52 tunnels to be connected in succession with second in succession, third
53 tunnels are held to hold 54 tunnels to be connected in succession with the 4th in succession, the first solenoid valve 7 is opened, and second solenoid valve 8 is opened；From the second four-way valve 4
The high-temperature gas refrigerant come out with the first four-way valve 5 respectively enters indoor unit 1, the heating of indoor unit 2 13 and energy storage equipment and stores
Heat, wherein if indoor unit 1 and indoor unit 2 13 can pass through electromechanics in closing indoor unit blower and regulation room without heating needs
Sub- expansion valve realization does not heat, and system is only to 6 accumulation of heat of regenerative apparatus；Machine and the interior release of regenerative apparatus 6 are hot indoors for gaseous coolant
Become liquid after amount and converge in minor valve, after the throttling of outer machine expansion valve 21, air heat is absorbed in outdoor unit heat exchanger 2
Amount, becomes gaseous state；Gaseous coolant is divided into two-way and enters the second four-way valve 4 and the by the first solenoid valve 7 and second solenoid valve 8 respectively
One four-way valve 5；Gas-liquid separator 10 is all flowed back to by the gaseous coolant of the second four-way valve 4 and the first four-way valve 5 come out, is finally returned
To compressor air suction mouth, high-temperature gas is compressed by compressor 1, constitutes circulation loop.
Heating on daytime: compressor 1 is discharged high-temperature gas refrigerant and is divided into two-way through gs-oil separator 11, respectively enters the two or four
Port valve 4 and the first four-way valve 5, wherein the second connection end 42 of the second four-way valve 4 is connected to third connecting pin 43, the first connection
End 41 be connected to 44 tunnel of the 4th connecting pin, the first four-way valve 5 first in succession end 51 hold 54 to be connected in succession with the 4th, second in succession
End 52 holds 53 to be connected in succession with third, and the first solenoid valve 7 is opened, and second solenoid valve 8 is closed；The height come out from the second four-way valve 4
Warm gaseous coolant enters the room machine 1 and indoor unit 2 13 heats, and becomes liquid, liquid after high-temperature gas refrigerant release heat
Refrigerant divides two-way, and the first via enters energy storage equipment 6, and the heat of 6 night of energy storage equipment storage is absorbed after electric expansion valve throttles,
Liquid refrigerants becomes gaseous state and returns to gas-liquid separator 10 through the second four-way valve 5, and the second tunnel enters after the throttling of outer machine expansion valve 21
Outer machine heat exchanger 2 absorbs heat, and liquid refrigerants becomes gaseous state；The high-temperature gas refrigerant come out from the first four-way valve 5 is filled through throttling
After setting 9 (preferably capillary) reducing pressure by regulating flow, the gaseous coolant come out with outer machine heat exchanger 2 converges, and returns to by the first four-way valve 4
Gas-liquid separator 10, flows back to compressor air suction mouth, is compressed into high-temperature gas by compressor 1, constitutes circulation loop；
Machine persistently heats in maintaining during system defrost: specific embodiment is as follows:
Compressor is discharged high-temperature gas refrigerant and is divided into two-way through oil, respectively enters the first four-way valve 5 and the second four-way valve
4, wherein 42 tunnel of second connection end of the second four-way valve 4 is connected to third connecting pin 43, the first connecting pin 41 and the 4th connecting pin
The connection of 44 tunnels, the first four-way valve 5 first in succession end 51 with the 4th in succession end 54 be connected to, second hold in succession 52 and third hold in succession
53 connections, the first solenoid valve 7 are closed, and second solenoid valve 8 is opened；From the second four-way valve 4 come out high-temperature gas refrigerant respectively into
Enter indoor unit 1 and indoor unit 2 13 heats, becomes liquid after release heat in high-temperature gas refrigerant；Go out from the first four-way valve 5
The high-temperature gas refrigerant come enters outer machine heat exchanger 2 through second solenoid valve 8, and the external machine heat exchange heat exchanger defrosting of release heat is high
Refrigerant after warm gaseous coolant release heat becomes liquid, and the liquid refrigerants come out with interior machine heat exchanger 3 converges, and fills into accumulation of energy
6 are set, after electric expansion valve throttles, absorbs the heat that energy storage equipment 6 stores, refrigerant becomes gaseous state and returns to through the first four-way valve 5
Gas-liquid separator 10, flows back to compressor air suction mouth, is compressed into high-temperature gas by compressor 1, constitutes circulation loop.
Summer, unit night to energy storage equipment independence cold-storage, daytime energy storage equipment released cold quantity.
Summer evenings, using electricity price low ebb to 6 cold-storage of energy storage equipment, daytime unit under the premise of consuming a small amount of electric energy,
The highly effective refrigeration that indoor unit is realized using the cooling capacity of energy storage equipment storage, plays the role of peak load shifting to electric load, effectively
Reduce the usage charges of user's air-conditioning.Specific embodiment is as follows:
Night refrigeration/cold-storage: compressor 1 is discharged high-temperature gas refrigerant and is divided into two-way through gs-oil separator 11, respectively enters
Second four-way valve 4 and the first four-way valve 5, wherein the first connecting pin 41 of the second four-way valve 4 is connected to second connection end 42, the
Three connecting pins 43 are connected to the 4th connecting pin 44, the first four-way valve 5 first in succession end 51 with the 4th in succession end 54 be connected to, second
End 52 holds 53 to be connected in succession with third in succession, and the first solenoid valve 7 is opened, and second solenoid valve 8 is opened；From the second four-way valve 4 and
The high-temperature gas refrigerant that one four-way valve 5 comes out all enters outer machine heat exchanger 2, becomes liquid after discharging heat, by minor valve into
Enter indoor unit 1, indoor unit 2 13 freezes, while to 6 cold-storage of energy storage equipment, if interior machine without refrigeration demand, machine in closable chamber
Blower and electric expansion valve, can be individually to 6 cold-storage of energy storage equipment；Liquid refrigerants is after reducing pressure by regulating flow, machine 1, indoor indoors
Heat is absorbed in machine 2 13 and energy storage equipment 6 becomes gaseous state, flows back to gas-liquid point through the second four-way valve 4 and the first four-way valve 5 respectively
From device 10, compressor air suction mouth is flowed back to, high-temperature gas is compressed by compressor 1, constitutes circulation loop.
Summer day refrigeration: compressor 1 is discharged high-temperature gas refrigerant and through gs-oil separator 11 is divided into two-way, respectively enters the
Two four-way valves 4 and the first four-way valve 5, wherein the first connecting pin 41 of the second four-way valve 4 is connected to second connection end 42, third
Connecting pin 43 is connected to 44 tunnel of the 4th connecting pin, and the first of the first four-way valve 5 holds 51 to hold 52 to be connected in succession with second in succession, third
End 53 holds 54 to be connected in succession with the 4th in succession, and the first solenoid valve 7 is opened, and second solenoid valve 8 is closed；It is come out from the second four-way valve 4
High-temperature gas refrigerant all enter outer machine heat exchanger 2, become liquid after discharging heat；The high-temperature gas that first four-way valve 5 comes out
Refrigerant enters energy storage equipment 6, absorbs the cooling capacity of night storage, becomes the liquid refrigerants that liquid refrigerants and outer machine heat exchanger come out and converges
It closes, respectively enters indoor unit 1 and indoor unit 2 13, heat, liquid refrigerants become in absorption chamber after electric expansion valve throttles
Gaseous state returns to gas-liquid separator 10 through the second four-way valve 4, flows back to compressor air suction mouth, is compressed into high-temperature gas by compressor 1,
Constitute circulation loop.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With
It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (14)
1. a kind of air-conditioning system, it is characterised in that: including compressor (1), First Heat Exchanger (2), the second heat exchanger (3), also wrap
Include the first four-way valve (5) and energy storage equipment (6), wherein
The first of first four-way valve (5) holds (51) to be connected to the exhaust outlet of the compressor (1) in succession, and second holds (52) in succession
It is connected to the energy storage equipment (6), third holds (53) to be connected to the air entry of the compressor (1) in succession, and the 4th holds (54) even in succession
To the First Heat Exchanger (2)；
It further include the second four-way valve (4), the first connecting pin (41) of second four-way valve (4) is connected to the compressor (1)
Air entry, second connection end (42) are connected to second heat exchanger (3), third connecting pin (43) are connected to the compressor (1)
Exhaust outlet, the 4th connecting pin (44) are connected to the First Heat Exchanger (2)；
The first electricity is additionally provided on refrigerant pipeline between second four-way valve (4) and the air entry of the compressor (1)
Magnet valve (7)；And/or it is additionally provided on the refrigerant pipeline between first four-way valve (5) and the First Heat Exchanger (2)
Second solenoid valve (8).
2. air-conditioning system according to claim 1, it is characterised in that: also in parallel at the both ends of the second solenoid valve (8)
Ground is provided with throttling set (9).
3. air-conditioning system according to claim 1, it is characterised in that: in the pipe being connected with the compressor (1) air entry
Road is additionally provided with gas-liquid separator (10)；And/or it is additionally provided on the pipeline being connected with the compressor (1) exhaust outlet
Gs-oil separator (11).
4. a kind of control method of air-conditioning system, it is characterised in that: using air-conditioning system described in one of claim 1-3, lead to
It crosses and controls to adjust the first four-way valve and the second four-way valve to carry out accumulation of heat to system, cold-storage, heat release, let cool and defrost persistently heats
Control.
5. control method according to claim 4, it is characterised in that: when needing accumulation of heat, and further include the second four-way valve
When, first four-way valve (5) and second four-way valve (4) are controlled to adjust, so that second heat exchanger (3) and the storage
It can device (6) condensation heat release, the First Heat Exchanger (2) evaporation endothermic.
6. control method according to claim 5, it is characterised in that: when the system comprises the first solenoid valves (7) and
When two solenoid valves (8), adjust the second four-way valve the first connecting pin (41) be connected to the 4th connecting pin (44), second connection end
(42) be connected to third connecting pin (43), adjust the first four-way valve first in succession end (51) and second in succession hold (52) be connected to,
Third holds (53) to hold (54) to be connected in succession with the 4th in succession, and the first solenoid valve (7) is opened, second solenoid valve (8) is closed.
7. control method according to claim 4, it is characterised in that: when needing to release accumulation of heat heat, and further include
When two four-way valves, first four-way valve (5) and second four-way valve (4) are controlled to adjust, so that second heat exchanger (3)
Condense heat release, the energy storage equipment (6) and the First Heat Exchanger (2) equal evaporation endothermic.
8. control method according to claim 7, it is characterised in that: when the system comprises the first solenoid valves (7) and
When two solenoid valves (8), adjust the second four-way valve the first connecting pin (41) be connected to the 4th connecting pin (44), second connection end
(42) be connected to third connecting pin (43), adjust the first four-way valve first in succession end (51) and the 4th in succession hold (54) be connected to,
Second holds (52) to hold (53) to be connected in succession with third in succession, and the first solenoid valve (7) is opened, second solenoid valve (8) is closed.
9. control method according to claim 4, it is characterised in that: during system defrost, and further include the two or four
When port valve, second four-way valve (4) and first four-way valve (5) are controlled to adjust, so that second heat exchanger (3) and the
One heat exchanger (2) condenses heat release, the energy storage equipment (6) evaporation endothermic.
10. control method according to claim 9, it is characterised in that: when the system comprises the first solenoid valves (7) and
When two solenoid valves (8), adjust the second four-way valve the first connecting pin (41) be connected to the 4th connecting pin (44), second connection end
(42) be connected to third connecting pin (43), adjust the first four-way valve first (51) and the 4th in succession hold (54) are connected to, second connects
Lian Duan (52) holds (53) to be connected in succession with third, and the first solenoid valve (7) is closed, second solenoid valve (8) is opened.
11. control method according to claim 4, it is characterised in that: when needing cold-storage, and further include the second four-way valve
When, control to adjust the second four-way valve (4) and the first four-way valve (5) so that the independent evaporation endothermic of the energy storage equipment (6) or
The energy storage equipment (6) and the equal evaporation endothermic of the second heat exchanger, while the First Heat Exchanger (2) condenses heat release.
12. control method according to claim 11, it is characterised in that: when the system comprises the first solenoid valve (7) and
When second solenoid valve (8), adjust the second four-way valve the first connecting pin (41) be connected to second connection end (42), third connecting pin
(43) be connected to the 4th connecting pin (44), adjust the first four-way valve first in succession end (51) and the 4th in succession hold (54) be connected to,
Second holds (52) to hold (53) to be connected in succession with third in succession, and the first solenoid valve (7) is opened, second solenoid valve (8) is opened.
13. control method according to claim 4, it is characterised in that: when needing to release cold-storage cooling capacity, and further include
When two four-way valves, the second four-way valve (4) and the first four-way valve (5) are controlled to adjust, so that more than two second heat exchange evaporations
Heat absorption, the energy storage equipment (6) and the First Heat Exchanger (2) condense heat release.
14. control method according to claim 13, it is characterised in that: when the system comprises the first solenoid valve (7) and
When second solenoid valve (8), adjust the second four-way valve the first connecting pin (41) be connected to second connection end (42), third connecting pin
(43) be connected to the 4th connecting pin (44), adjust the first four-way valve first in succession end (51) and second in succession hold (52) be connected to,
Third holds (53) to hold (54) to be connected in succession with the 4th in succession, and the first solenoid valve (7) is opened, second solenoid valve (8) is closed.
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| CN109186042B (en) * | 2018-09-20 | 2020-02-21 | 珠海格力电器股份有限公司 | Defrosting method for air conditioner |
| JP6729653B2 (en) * | 2018-09-28 | 2020-07-22 | ダイキン工業株式会社 | Air conditioning system |
| CN110849021A (en) * | 2019-11-28 | 2020-02-28 | 浙江高翔工贸有限公司 | Continuous heating defrosting-free air conditioner |
| CN111503722B (en) * | 2020-02-14 | 2021-10-01 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111457466B (en) * | 2020-02-14 | 2021-08-10 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111765595B (en) * | 2020-06-01 | 2021-06-29 | 珠海格力节能环保制冷技术研究中心有限公司 | 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 |
| CN112628901B (en) * | 2021-01-21 | 2022-01-04 | 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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| CN104534725A (en) * | 2015-01-23 | 2015-04-22 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105180274A (en) * | 2015-08-26 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioner system and adjusting method utilizing same |
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