CN108088008A - Multi-split heat recovery system and air conditioning device - Google Patents
Multi-split heat recovery system and air conditioning device Download PDFInfo
- Publication number
- CN108088008A CN108088008A CN201711318651.5A CN201711318651A CN108088008A CN 108088008 A CN108088008 A CN 108088008A CN 201711318651 A CN201711318651 A CN 201711318651A CN 108088008 A CN108088008 A CN 108088008A
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- solenoid valve
- valve
- opened
- indoor unit
- heat recovery
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- 238000011084 recovery Methods 0.000 title claims abstract description 85
- 238000004378 air conditioning Methods 0.000 title abstract description 4
- 239000003507 refrigerant Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims description 64
- 230000001172 regenerating effect Effects 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005338 heat storage Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 210000005239 tubule Anatomy 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
- F24F5/0017—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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- 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
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides a multi-online heat recovery system, which comprises a compressor assembly, an outdoor heat exchanger, a throttling device, an indoor unit and a reversing valve, wherein the compressor assembly is connected with the outdoor heat exchanger through a pipeline; the reversing valve and the compressor assembly are connected with one end of the outdoor heat exchanger and connected with the reversing valve, and the other end of the outdoor heat exchanger is connected with the throttling device; one end of the indoor unit is connected with the reversing valve, and the other end of the indoor unit is connected with the throttling device; a cold accumulation device for accumulating or releasing cold energy of the refrigerant is arranged between the throttling device and the indoor unit; and/or a heat storage device for storing or releasing the heat of the refrigerant is arranged between the indoor unit and the reversing valve; by adopting the technical scheme, the heat recovery multi-split air conditioning system can work in the optimal load area for a long time in each operation mode, the energy utilization rate of the multi-split air conditioning system is improved, and the efficiency is high.
Description
Technical field
The invention belongs to technical field of air conditioner refrigeration, and in particular to a kind of multi-connected machine heat recovery system and air adjustment dress
It puts.
Background technology
Existing multi-connected machine heat recovery system not only has single cold and heat pump-type system function, simultaneously because condensation load and
Evaporation load can be used, so efficiency of energy utilization can be substantially improved；All indoor units of heat recovery system all may be used
With separate refrigeration, heating, i.e., in same set of system interior mechanism cold and heating can exist simultaneously；But nonetheless, recuperation of heat
Multi-connected machine still can be run in some cases with higher load, and multi-connected machine frequency-conversion air-conditioning system is energy saving in sub-load
For effect than more significant, Energy Efficiency Ratio is relatively high；And now heat-reclamation multi-compressors be all free-running operation, will not control system operate in
, there is energy dissipation in optimum load region.
Based on above-mentioned multi-connected machine air regulator, there has been no relevant solutions；Therefore it is urgent
It needs to seek effective scheme to solve the above problems.
The content of the invention
The purpose of the present invention is being directed to shortcoming present in above-mentioned technology, propose a kind of multi-connected machine heat recovery system and
Conditioner, it is intended to which it is free-running operation to solve existing multi-connected machine air regulator, is unable to control system operation optimal
The problem of load area.
The present invention provides a kind of multi-connected machine heat recovery system, including compressor assembly, outdoor heat exchanger, throttling set, room
Interior machine and reversal valve；Reversal valve and compressor assembly connection outdoor heat exchanger one end are connected with reversal valve, the other end and section
Flow device connection；Indoor unit one end is connected with reversal valve, and the other end is connected with throttling set；Between throttling set and indoor unit
It is additionally provided with the cold-storage device for being accumulated or released refrigerant cold；And/or it is equipped between indoor unit and reversal valve and is accumulated or released refrigerant
The regenerative apparatus of heat.
Further, compressor assembly includes the exhaust outlet of compressor and gs-oil separator, gs-oil separator and compressor
Connection；Reversal valve includes the first reversal valve and the second reversal valve；Outdoor heat exchanger one end is connected with the first reversal valve, the other end
It is connected with throttling set；Second reversal valve one end is connected with gs-oil separator, and the other end is connected with indoor unit；Second reversal valve
Regenerative apparatus is equipped between indoor unit.
Further, throttling set includes the first electric expansion valve；Compressor assembly includes compressor and gas-liquid separator,
The air entry of gas-liquid separator and compressor connects；Flow path between cold-storage device and outdoor heat exchanger and the first electric expansion valve
It is arranged in parallel；The second electric expansion valve is additionally provided on cold-storage circuit, the second electric expansion valve is arranged at cold-storage device and the first electricity
Between sub- expansion valve；Cold-storage device is connected with gas-liquid separator.
Further, regenerative apparatus is arranged in parallel by the flow path between regenerative circuit and the second reversal valve and indoor unit,
And regenerative apparatus is connected with throttling set.
Further, compressor assembly further includes gas-liquid separator, the air entry connection of gas-liquid separator and compressor；Room
Interior machine includes the first indoor unit and the second indoor unit；First indoor unit one end connects respectively with the second reversal valve and gas-liquid separator
It connects, the other end is connected respectively with the second indoor unit and throttling set；Second indoor unit one end respectively with throttling set and first
Indoor unit connects, and the other end is connected respectively with gas-liquid separator and the second reversal valve.
Further, check valve is further included, check valve and throttling set are arranged in parallel；Check valve one end connects outdoor heat exchange
Device, other end connection cold-storage device and/or indoor unit；And check valve is along outdoor heat exchanger toward cold-storage device and/or indoor unit
One-way conduction.
Further, the first solenoid valve is equipped between the first electric expansion valve and indoor unit；Indoor unit and gas-liquid separator
Between be equipped with the 8th solenoid valve；The 5th solenoid valve is equipped between cold-storage device and gas-liquid separator；Second electric expansion valve and
Second solenoid valve is equipped between one electric expansion valve；The 4th solenoid valve is equipped between cold-storage device and indoor unit；Cold-storage device and
The 5th solenoid valve is equipped between gas-liquid separator；Further include the 3rd solenoid valve, the 3rd solenoid valve one end and the first electric expansion valve
Connection, the other end are directly connected to cold-storage device.
Further, the first solenoid valve is equipped between the first electric expansion valve and indoor unit；Second reversal valve and indoor unit
Between be equipped with the 13rd solenoid valve；The 6th solenoid valve is equipped between first indoor unit and the second reversal valve；First indoor unit is gentle
The 8th solenoid valve is equipped between liquid/gas separator；The 7th solenoid valve is equipped between second indoor unit and the second reversal valve；In second Room
The 9th solenoid valve is equipped between machine and gas-liquid separator；The 12nd solenoid valve is equipped between second reversal valve and regenerative apparatus；It stores
The tenth solenoid valve is equipped between thermal and indoor unit；The 11st solenoid valve is equipped between regenerative apparatus and throttling set.
Further, the 13rd solenoid valve is equipped between the second reversal valve and indoor unit；First electric expansion valve and interior
The first solenoid valve is equipped between machine；The 6th solenoid valve is equipped between first indoor unit and the second reversal valve；First indoor unit is gentle
The 8th solenoid valve is equipped between liquid/gas separator；The 7th solenoid valve is equipped between second indoor unit and the second reversal valve；In second Room
The 9th solenoid valve is equipped between machine and gas-liquid separator；The 5th solenoid valve is equipped between cold-storage device and gas-liquid separator；Second
Second solenoid valve is equipped between electric expansion valve and the first electric expansion valve；The 4th electromagnetism is equipped between cold-storage device and indoor unit
Valve；The 5th solenoid valve is equipped between cold-storage device and gas-liquid separator；Further include the 3rd solenoid valve, the 3rd solenoid valve one end and the
One electric expansion valve connects, and the other end is directly connected to cold-storage device.
Further, reversal valve is four-way valve；Outdoor heat exchanger is condenser, and evaporator is equipped in indoor unit.
Further, capillary has been further included；Capillary one end is connected with reversal valve, and the other end connects with gas-liquid separator
It connects.
Further, the first capillary and the second capillary have been further included；First capillary one end connects with the first reversal valve
It connects, the other end is connected with gas-liquid separator；Second capillary one end is connected with the second reversal valve, the other end and gas-liquid separation
Device connects.
Further, the first reversal valve is equipped with the first circuit being directly connected to gas-liquid separator；Second reversal valve is equipped with
It is directly connected to the second servo loop with gas-liquid separator；First circuit and the first capillary paralleling；Second servo loop and the second capillary
It is in parallel.
Further, when the multi-connected machine heat recovery system is in the complete refrigeration mode of underload, the first solenoid valve is beaten
It opens, the second solenoid valve is opened, the 3rd solenoid valve is closed, the 4th solenoid valve is closed, the 5th solenoid valve is opened and the 8th electricity
Magnet valve is opened；Or,
When multi-connected machine heat recovery system is in the complete refrigeration mode of high load capacity, the first solenoid valve is opened, second solenoid valve
It closes, the 3rd solenoid valve is opened, the 4th solenoid valve is opened, the 5th solenoid valve is closed and the 8th solenoid valve is opened.
Further, when multi-connected machine heat recovery system is in underload main body refrigeration mode, the first solenoid valve is opened, the
Two solenoid valves opening, the closing of the 4th solenoid valve, the 5th solenoid valve opening, the 6th solenoid valve opening, the closing of the 7th solenoid valve, the 8th
Solenoid valve is closed, the 9th solenoid valve is opened and the 13rd solenoid valve is opened；Or,
When multi-connected machine heat recovery system is in high load capacity main body refrigeration mode, the first solenoid valve is opened, second electricity
Magnet valve is opened, the 4th solenoid valve is opened, the 5th solenoid valve is closed, the 6th solenoid valve is opened, the 7th solenoid valve is closed, the 8th electromagnetism
Valve is closed, the 11st solenoid valve is opened and the 13rd solenoid valve is opened.
When multi-connected machine heat recovery system is in the complete heating mode of underload, the first solenoid valve is opened, the 6th solenoid valve
It opens, the 7th solenoid valve is opened, the 8th solenoid valve is closed, the 9th solenoid valve is closed, the tenth solenoid valve is closed, the 11st solenoid valve
It opens, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve is connected with compressor；Or,
When multi-connected machine heat recovery system is in the complete heating mode of high load capacity, the first solenoid valve is opened, the 6th solenoid valve
It opens, the 7th solenoid valve is opened, the 8th solenoid valve is closed, the 9th solenoid valve is closed, the tenth solenoid valve is opened, the 11st solenoid valve
It closes, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；Or,
When multi-connected machine heat recovery system is in underload main body heating mode, the first solenoid valve is opened, the 6th solenoid valve
It opens, the 7th solenoid valve is closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve is closed, the 11st solenoid valve
It opens, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve is connected with compressor；Or,
When multi-connected machine heat recovery system is in high load capacity main body heating mode, the first solenoid valve is opened, the 6th solenoid valve
It opens, the 7th solenoid valve is closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve is opened, the 11st solenoid valve
It closes, the 12nd solenoid valve is opened and the 13rd solenoid valve is closed；First reversal valve is connected with compressor；Or,
When multi-connected machine heat recovery system is in the complete heat recovery mode of underload, the first solenoid valve is opened, the 6th electromagnetism
Valve is opened, the 7th solenoid valve is closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve is closed, the 11st electromagnetism
Valve is opened, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve is connected with compressor；Or,
When the multi-connected machine heat recovery system is in the complete heat recovery mode of high load capacity, the first solenoid valve is closed, the 6th
Solenoid valve opening, the 7th solenoid valve are closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve closes opening, the tenth
One solenoid valve is closed, the 12nd solenoid valve is opened and the 13rd solenoid valve is closed.
Correspondingly, the present invention also provides a kind of conditioner, heat recovery system is included；Heat recovery system is above-mentioned
The multi-connected machine heat recovery system.
Using above technical scheme, by adding cold-storage device and regenerative apparatus in multi-connected machine heat recovery system, pass through
Accumulation of energy and exoergic under different operational modes, make heat-reclamation multi-compressors system that can work long hours most under each operational mode
Good load area improves the capacity usage ratio of multi-line system；The present invention is low negative by heat recovery system by increasing energy storage equipment
Energy stores under lotus operating status are got off, when system loading is big using the energy of storage, so that multi-line system energy
Long-play is in optimum load region, and in several operational modes, if to account for main body (i.e. complete for mechanism cold demand indoors
Full refrigeration mode, main body refrigeration mode) or indoor unit refrigeration demand it is smaller when (complete heating mode, main body heating mode or
Complete heat recovery mode), multi-connected machine heat recovery system can be constantly in optimum load operating status, then corresponding cold-storage device and
Regenerative apparatus can be cancelled, and corresponding pipeline and valve can also be cancelled, and efficiency is higher.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described：
Fig. 1 is a kind of multi-connected machine heat recovery system schematic diagram of the present invention；
Fig. 2 is the complete refrigeration mode schematic diagram of multi-connected machine heat recovery system underload of the present invention；
Fig. 3 is the complete refrigeration mode schematic diagram of multi-connected machine heat recovery system high load capacity of the present invention；
Fig. 4 is multi-connected machine heat recovery system underload main body refrigeration mode schematic diagram of the present invention；
Fig. 5 is multi-connected machine heat recovery system high load capacity main body refrigeration mode schematic diagram of the present invention；
Fig. 6 is the complete heating mode schematic diagram of multi-connected machine heat recovery system underload of the present invention；
Fig. 7 is the complete heating mode schematic diagram of multi-connected machine heat recovery system high load capacity of the present invention；
Fig. 8 is multi-connected machine heat recovery system underload main body heating mode schematic diagram of the present invention；
Fig. 9 is multi-connected machine heat recovery system high load capacity main body heating mode schematic diagram of the present invention；
Figure 10 is the complete heat recovery mode schematic diagram of multi-connected machine heat recovery system underload of the present invention；
Figure 11 is the complete heat recovery mode schematic diagram of multi-connected machine heat recovery system high load capacity of the present invention.
In figure：1st, compressor；2nd, gs-oil separator；3rd, the first four-way valve；4th, the second four-way valve；5th, capillary；6th, it is outdoor
Heat exchanger；7th, the first electric expansion valve；8th, check valve；9th, the first solenoid valve；10th, second solenoid valve；11st, the 3rd solenoid valve；12、
Second electric expansion valve；13rd, cold-storage device；14th, the 4th solenoid valve；15th, the 5th solenoid valve；16th, indoor unit；17th, the 6th electromagnetism
Valve；18th, the 7th solenoid valve；19th, the 8th solenoid valve；20th, the 9th solenoid valve；21st, the tenth solenoid valve；22nd, the 11st solenoid valve；
23rd, regenerative apparatus；24th, the 12nd solenoid valve；25th, the 13rd solenoid valve；26th, gas-liquid separator.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1 to 11, the present invention provides a kind of multi-connected machine heat recovery system, is changed including compressor assembly, outdoor
Hot device 6, indoor unit 16 and reversal valve；Wherein compressor assembly includes compressor 1, gs-oil separator 2 and gas-liquid separator
26, gs-oil separator 2 is arranged at the exhaust ports of compressor 1 and is connected with compressor 1, and gas-liquid separator 26 is arranged at compressor
Air entry at, and be connected with compressor 1；Reversal valve is chosen as two-way valve, triple valve or four-way valve；The present embodiment is with four-way valve
It illustrates；Outdoor heat exchanger 6 is condenser, and evaporator is equipped in indoor unit 16；Specifically, 2 one end of gs-oil separator and pressure
Contracting machine 1 connects, and the other end and the first four-way valve 3 connect；6 one end of outdoor heat exchanger is connected with the first four-way valve 3, the other end
It is connected with indoor unit 16；Indoor unit 16 and gas-liquid separator 26 connect, and gas-liquid separator 16 is connected with compressor 1；It is changed in outdoor
Throttling set is equipped between hot device 6 and indoor unit 16；Throttling set includes the first electric expansion valve 7 and the second electric expansion valve
12；It is additionally provided with to be accumulated or released the cold-storage device 13 of refrigerant cold, cold-storage device 13 between throttling set and indoor unit 16
For storing cold in different operating modes in multi-connected machine heat recovery system, and the second electric expansion valve 12 is arranged at cold-storage dress
13 and first are put between electric expansion valve 7；Further, throttling set both ends are in parallel is equipped with check valve 8；Throttling set and interior
The first solenoid valve 9 is equipped between machine 16；The 8th solenoid valve 19 or the 9th electromagnetism are equipped between indoor unit 16 and gas-liquid separator 26
Valve 20；The 5th solenoid valve 15 is equipped between cold-storage device 13 and gas-liquid separator 16；Using the above program so that multi-connected machine heat
Recovery system has following operating mode：
Firstth, the complete refrigeration mode of underload：
As shown in Fig. 2, when multi-connected machine heat recovery system is with underrun, compressor operating frequency is relatively low, needs to be promoted
Load makes system operation in optimum load region, and system has energy that can be stored at this time, and the system is low negative in other patterns
Situation is identical when lotus runs；The refrigerant compressed by compressor 1 flows through 2 and first four-way valve 3 of gs-oil separator, then passes through room
External heat exchanger 6 exchanges heat, and the refrigerant after being exchanged heat by outdoor heat exchanger 6 is divided into two after flowing through 8 and first electric expansion valve 7 of check valve
Road is throttled all the way by the second electric expansion valve 12, and the refrigerant after throttling flows through cold-storage device 13 and stores cold, this part is cold
Matchmaker is no longer by indoor unit 16 but directly flows back to compressor 1 by gas-liquid separator 26；Another way refrigerant passes through indoor unit 16
Interior completion normal refrigerating cycle, and pass through gas-liquid separator 26 and return to compressor 1；As shown in Fig. 2, it is specially：First solenoid valve 9
Open, second solenoid valve 10 is opened, the 3rd solenoid valve 11 is closed, the 4th solenoid valve 14 is closed, the 5th solenoid valve 15 is opened and
8th solenoid valve 19 is opened；
Secondth, the complete refrigeration mode of high load capacity：
As shown in figure 3, when system is with heavy-duty service, 1 running frequency of compressor is higher, and need to reduce load transports system
In optimum load region, the energy demand being stored in cold-storage device 13 is released row, and the system is low negative in other patterns
Situation is identical when lotus runs；The refrigerant compressed by compressor 1 flows through 2 and first four-way valve 3 of gs-oil separator, then passes through room
External heat exchanger 6 exchanges heat, and the refrigerant to be exchanged heat by outdoor heat exchanger 6 is flowed through after 8 and first electric expansion valve 7 of check valve using storage
Device for cooling 13 obtain cold, then again by indoor mechanism cold after, compressor is eventually passed back to by vapour liquid separator 26；Such as Fig. 3
It is shown, be specially：First solenoid valve 9 is opened, and second solenoid valve 10 is closed, the 3rd solenoid valve 11 is opened, the 4th solenoid valve 14 is beaten
It opens, the 5th solenoid valve 15 is closed and the 8th solenoid valve 19 is opened.
Preferably, with reference to said program, as shown in Figure 1 to Figure 3, in the present embodiment, reversal valve is four-way valve, four-way valve bag
Include the first four-way valve 3 and the second four-way valve 4；Indoor unit 16 includes the first indoor unit and the second indoor unit；First indoor unit one end
Be connected respectively with the second four-way valve 4 and gas-liquid separator 26, the other end respectively with the second indoor unit and the first electric expansion valve 7
Connection；Second indoor unit one end is connected respectively with the first electric expansion valve 7 and the first indoor unit, and the other end divides respectively with gas-liquid
It is connected from 26 and second four-way valve 4 of device；Further, the 6th solenoid valve 17 is equipped between the first indoor unit and the second four-way valve 4；
The 8th solenoid valve 19 is equipped between first indoor unit and gas-liquid separator 26；It is equipped between second indoor unit and the second four-way valve 4
7th solenoid valve 18；The 9th solenoid valve 20 is equipped between second indoor unit and gas-liquid separator 26；6 one end of outdoor heat exchanger and the
One four-way valve 3 connects, and the other end is connected with the first electric expansion valve 7；Second four-way valve, 4 one end is connected with gs-oil separator 2,
Its other end is connected with indoor unit 16；The accumulation of heat for being accumulated or released refrigerant heat is equipped between second four-way valve 4 and indoor unit 16
Device 23；The 13rd solenoid valve 25 is equipped between second four-way valve 4 and indoor unit 16；Second four-way valve 4 and regenerative apparatus 23 it
Between be equipped with the 12nd solenoid valve 24；The tenth solenoid valve 21 is equipped between regenerative apparatus 23 and indoor unit 16；Further, cold-storage fills
The flow path put between 13 and 16 and first electric expansion valve 7 of indoor unit is arranged in parallel；It is swollen that the second electronics is additionally provided on cold-storage circuit
Swollen valve 12, the second electric expansion valve 12 are arranged between 13 and first electric expansion valve 8 of cold-storage device；Cold-storage device 13 and gas-liquid
Separator 26 connects；Second solenoid valve 10 is equipped between second electric expansion valve 12 and the first electric expansion valve 8；Cold-storage device 13
The 4th solenoid valve 14 is equipped between indoor unit 16；The 5th solenoid valve 15 is equipped between cold-storage device 13 and gas-liquid separator 26；
Second electric expansion valve, 12 both ends are in parallel to be equipped with the 3rd solenoid valve 11；3rd solenoid valve, 11 one end connects with the first electric expansion valve 8
It connects, the other end is connected with cold-storage device 13；Further, further include capillary 5 and include the first capillary and second mao
Tubule；First capillary one end is connected with the first four-way valve 3, and the other end is connected with gas-liquid separator 26；Second capillary one
End is connected with the second four-way valve 4, and the other end is connected with gas-liquid separator 26；First four-way valve 3 is equipped with and is directly connected to and gas-liquid
First circuit of separator 26；Second four-way valve 4 is equipped with the second servo loop being directly connected to gas-liquid separator 26；First circuit with
First capillary paralleling；Second servo loop and the second capillary paralleling；Further, 23 and second four-way valve 4 of regenerative apparatus and room
Flow path between interior machine 16 is arranged in parallel；Regenerative apparatus 23 is connected with the first electric expansion valve 7；23 and first electronics of regenerative apparatus
The 11st solenoid valve 22 is equipped between expansion valve 7；Using the above program so that the multi-connected machine heat recovery system has following Working mould
Formula：
3rd, underload main body refrigeration mode：
As shown in figure 4, being divided into two-way after the refrigerant that compressor 1 compresses is by gs-oil separator 2, pass through second all the way
Four-way valve 4 flows into indoor unit 16 and heats；Another way refrigerant flow through after the first four-way valve 3 by outdoor heat exchanger 6 exchange heat using
8 and first electric expansion valve 7 of check valve, afterwards refrigerant divide two-way again, all the way refrigerant by the second electric expansion valve 12 throttling after
Cold is stored by cold-storage device 13, this part refrigerant is returned directly to compressor 1 without indoor unit 16；Another way refrigerant with
The refrigerant heated by the first indoor unit finally returns to compressor 1 by mechanism cold in second Room together；It is as shown in figure 4, specific
For：First solenoid valve 9 is opened, and second solenoid valve 10 is opened, the 4th solenoid valve 14 is closed, the 5th solenoid valve 15 is opened, the 6th electricity
Magnet valve 17 is opened, the 7th solenoid valve 18 is closed, the 8th solenoid valve 19 is closed, the 9th solenoid valve 20 is opened and the 13rd solenoid valve
25 open；
4th, high load capacity main body refrigeration mode:
As shown in figure 5, being divided into two-way after the refrigerant that compressor 1 compresses is by gs-oil separator 2, pass through second all the way
Four-way valve 4 flows into the heating of the first indoor unit, and another way refrigerant is flowed through to exchange heat by outdoor heat exchanger 6 after the first four-way valve 3 and passed through again
8 and first electric expansion valve 7 of check valve is crossed, refrigerant obtains cold by cold-storage device 13 afterwards, and then the road refrigerant is with passing through
The refrigerant of first indoor unit heating finally returns to compressor 1 by mechanism cold in second Room together；As shown in figure 5, it is specially：The
One solenoid valve 9 is opened, and the second solenoid valve 10 is opened, the 4th solenoid valve 14 is opened, the 5th solenoid valve 15 is closed, the 6th electromagnetism
Valve 17 is opened, the 7th solenoid valve 18 is closed, the 8th solenoid valve 19 is closed, the 11st solenoid valve 20 is opened and the 13rd solenoid valve
25 open；
5th, the complete heating mode of underload：
As shown in fig. 6, again by the second four-way valve 4 after the refrigerant that compressor 1 compresses is by gs-oil separator 2, from
The refrigerant that second four-way valve 4 comes out is divided into two-way, and all the way by regenerative apparatus 23 by energy storage, this part refrigerant passes through first
Compressor 1, another way refrigerant are returned to by the first circuit of 6 and first four-way valve 3 of outdoor heat exchanger after the throttling of electric expansion valve 7
By throttling again by the of 6 and first four-way valve 3 of outdoor heat exchanger by the first electric expansion valve 7 after mechanism heat in second Room
Primary Ioops return and eventually pass back to compressor 1；As shown in fig. 6, it is specially：First solenoid valve 9 is opened, the 6th solenoid valve 17 is opened,
Seven solenoid valves 18 are opened, the 8th solenoid valve 19 is closed, the 9th solenoid valve 20 is closed, the tenth solenoid valve 21 is closed, the 11st electromagnetism
Valve 22 is opened, the 12nd solenoid valve 24 is opened and the 13rd solenoid valve 25 is opened；First four-way valve 3 is connected with compressor 1；
6th, the complete heating mode of high load capacity：
As shown in fig. 7, again by the second four-way valve 4 after the refrigerant that compressor 1 compresses is by gs-oil separator 2, from
The refrigerant that second four-way valve 4 comes out obtains energy by regenerative apparatus 23, is then heated again by the first indoor unit, from the first Room
The refrigerant that interior machine comes out through the first electric expansion valve 7 throttle again by the first circuit of 6 and first four-way valve of outdoor heat exchanger most
After return to compressor 1；As shown in fig. 7, it is specially：First solenoid valve 9 is opened, the 6th solenoid valve 17 is opened, the 7th solenoid valve 18
Open, the 8th solenoid valve 19 is closed, the 9th solenoid valve 20 is closed, the tenth solenoid valve 21 is opened, the 11st solenoid valve 22 is closed, the
12 solenoid valves 24 are opened and the 13rd solenoid valve 25 is opened；
7th, underload main body heating mode：
As depicted in figure 8, again by the second four-way valve 4 after the refrigerant that compressor 1 compresses is by gs-oil separator 2, from the
The refrigerant that two four-way valves 4 come out is divided into two-way, and all the way by regenerative apparatus 23 by energy storage, this part refrigerant is directly over the
Compressor 1 is eventually passed back to by 6 and first four-way valve 3 of outdoor heat exchanger after the throttling of one electric expansion valve 7；Another way refrigerant passes through
Two-way is further divided into after the heating of first indoor unit, the first via by vapour liquid separator 26 after mechanism cold in second Room by returning to compression
Machine 1, the second tunnel are last by the first circuit of 6 and first four-way valve 3 of outdoor heat exchanger after the throttling of the first electric expansion valve 7
Return to compressor 1；As shown in figure 8, it is specially：First solenoid valve 9 is opened, the 6th solenoid valve 17 is opened, the 7th solenoid valve 18 closes
Close, the 8th solenoid valve 19 is closed, the 9th solenoid valve 20 is opened, the tenth solenoid valve 21 is closed, the 11st solenoid valve 22 is opened, the tenth
Two solenoid valves 24 are opened and the 13rd solenoid valve 25 is opened；First four-way valve 3 is connected with compressor 1；
8th, high load capacity main body heating mode：
As shown in figure 9, again by the second four-way valve 4 after the refrigerant that compressor 1 compresses is by gs-oil separator 2, from
The refrigerant that second four-way valve 4 comes out obtains energy by regenerative apparatus 23, is then heated by the first indoor unit, indoor from first
The refrigerant of mechanism heat out is divided into two-way, and the first via by vapour liquid separator 26 after mechanism cold in second Room by returning to compressor
1, the second tunnel is finally returned after the throttling of the first electric expansion valve 7 by the first circuit of 6 and first four-way valve 3 of outdoor heat exchanger
To compressor 1；As shown in figure 9, it is specially：First solenoid valve 9 is opened, the 6th solenoid valve 17 is opened, the 7th solenoid valve 18 is closed,
8th solenoid valve 19 is closed, the 9th solenoid valve 20 is opened, the tenth solenoid valve 21 is opened, the 11st solenoid valve 22 is closed, the 12nd
Solenoid valve 24 is opened and the 13rd solenoid valve 25 is closed；First four-way valve 3 is connected with compressor；
9th, the complete heat recovery mode of underload：
As shown in Figure 10, the complete recuperation of heat refrigerant flow path of underload heats basically identical with underload main body, uniquely
Difference is：Refrigerant after the heating of the first indoor unit is not further divided into two-way but all flows to mechanism cold in second Room and return
Compressor 1；As shown in Figure 10, it is specially：First solenoid valve 9 is opened, the 6th solenoid valve 17 is opened, the 7th solenoid valve 18 is closed,
8th solenoid valve 19 is closed, the 9th solenoid valve 20 is opened, the tenth solenoid valve 21 is closed, the 11st solenoid valve 22 is opened, the 12nd
Solenoid valve 24 is opened and the 13rd solenoid valve 25 is opened；First four-way valve 3 is connected with compressor 1；
Tenth, the complete heat recovery mode of high load capacity：
As shown in figure 11, the complete recuperation of heat refrigerant flow path of high load capacity heats basically identical with high load capacity main body, uniquely
Difference is：Refrigerant after the heating of the first indoor unit is not further divided into two-way but all flows to mechanism cold in second Room and return
Compressor 1；As shown in figure 11, it is specially：First solenoid valve 9 is closed, the 6th solenoid valve 17 is opened, the 7th solenoid valve 18 is closed,
8th solenoid valve 19 is closed, the 9th solenoid valve 20 is opened, the tenth solenoid valve 21 close open, the 11st solenoid valve 22 close, the tenth
Two solenoid valves 24 are opened and the 13rd solenoid valve 25 is closed.
Correspondingly, with reference to said program, the present invention also provides a kind of air regulators, include heat recovery system；Heat is returned
Receipts system is multi-connected machine heat recovery system described above.
Using above technical scheme, by adding cold-storage device and regenerative apparatus in multi-connected machine heat recovery system, pass through
Accumulation of energy and exoergic under different operational modes, make heat-reclamation multi-compressors system that can work long hours most under each operational mode
Good load area improves the capacity usage ratio of multi-line system；The present invention is low negative by heat recovery system by increasing energy storage equipment
Energy stores under lotus operating status are got off, when system loading is big using the energy of storage, so that multi-line system energy
Long-play is in optimum load region, and in several operational modes, if to account for main body (i.e. complete for mechanism cold demand indoors
Full refrigeration mode, main body refrigeration mode) or indoor unit refrigeration demand it is smaller when (complete heating mode, main body heating mode or
Complete heat recovery mode), multi-connected machine heat recovery system can be constantly in optimum load operating status, then corresponding cold-storage device and
Regenerative apparatus can be cancelled, and corresponding pipeline and valve can also be cancelled, and efficiency is higher.
The above is only presently preferred embodiments of the present invention, and limitation in any form is not done to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications are made to technical solution of the present invention or are revised as the equivalent embodiment of equivalent variations.Therefore, it is all
The content without departing from technical solution of the present invention, technology according to the invention to any change modification made for any of the above embodiments,
Equivalent variations and modification belong to the protection domain of the technical program.
Claims (17)
1. a kind of multi-connected machine heat recovery system, which is characterized in that including compressor assembly, outdoor heat exchanger, throttling set, interior
Machine and reversal valve；The reversal valve and the compressor assembly connect described outdoor heat exchanger one end and connect with the reversal valve
It connects, the other end is connected with the throttling set；Described indoor unit one end is connected with the reversal valve, the other end and the section
Flow device connection；The cold-storage device for being accumulated or released refrigerant cold is additionally provided between the throttling set and the indoor unit；With/
Or, the regenerative apparatus for being accumulated or released refrigerant heat is equipped between the indoor unit and the reversal valve.
2. multi-connected machine heat recovery system according to claim 1, which is characterized in that the compressor assembly includes compressor
And gs-oil separator, the gs-oil separator are connected with the exhaust outlet of the compressor；The reversal valve includes the first reversal valve
With the second reversal valve；Described outdoor heat exchanger one end is connected with first reversal valve, and the other end and the throttling set connect
It connects；Described second reversal valve one end is connected with the gs-oil separator, and the other end is connected with the indoor unit；Described second changes
The regenerative apparatus is equipped between valve and the indoor unit.
3. multi-connected machine heat recovery system according to claim 1, which is characterized in that the throttling set includes the first electronics
Expansion valve；The compressor assembly includes compressor and gas-liquid separator, the air-breathing of the gas-liquid separator and the compressor
Mouth connection；Flow path between the cold-storage device and the indoor unit and first electric expansion valve is arranged in parallel；The storage
The second electric expansion valve is additionally provided on cold loop, second electric expansion valve is arranged at the cold-storage device and first electricity
Between sub- expansion valve；The cold-storage device is connected with the gas-liquid separator.
4. multi-connected machine heat recovery system according to claim 2, which is characterized in that the regenerative apparatus is changed with described second
Flow path between valve and the indoor unit is arranged in parallel, and the regenerative apparatus is connected with the throttling set.
5. multi-connected machine heat recovery system according to claim 2, which is characterized in that the compressor assembly further includes gas-liquid
Separator, the gas-liquid separator are connected with the air entry of the compressor；The indoor unit includes the first indoor unit and second
Indoor unit；Described first indoor unit one end is connected respectively with second reversal valve and the gas-liquid separator, the other end point
It is not connected with second indoor unit and the throttling set；Described second indoor unit one end respectively with the throttling set and institute
The connection of the first indoor unit is stated, the other end is connected respectively with the gas-liquid separator and second reversal valve.
6. multi-connected machine heat recovery system according to claim 1, which is characterized in that further include check valve, the check valve
It is arranged in parallel with the throttling set；Described check valve one end connects the outdoor heat exchanger, and the other end connects the cold-storage dress
It puts and/or the indoor unit；And the check valve is along the outdoor heat exchanger toward the cold-storage device and/or the indoor unit
One-way conduction.
7. multi-connected machine heat recovery system according to claim 3, which is characterized in that first electric expansion valve and described
The first solenoid valve is equipped between indoor unit；The 8th solenoid valve is equipped between the indoor unit and the gas-liquid separator；The storage
The 5th solenoid valve is equipped between device for cooling and the gas-liquid separator；Second electric expansion valve and first electronic expansion
Second solenoid valve is equipped between valve；The 4th solenoid valve is equipped between the cold-storage device and the indoor unit；The cold-storage device
The 5th solenoid valve is equipped between the gas-liquid separator；Further include the 3rd solenoid valve, described 3rd solenoid valve one end with it is described
First electric expansion valve connects, and the other end is directly connected to the cold-storage device.
8. multi-connected machine heat recovery system according to claim 5, which is characterized in that first electric expansion valve 7 and institute
It states and the first solenoid valve is equipped between indoor unit；The 13rd solenoid valve is equipped between second reversal valve and the indoor unit；Institute
It states and the 6th solenoid valve is equipped between the first indoor unit and second reversal valve；First indoor unit and the gas-liquid separator
Between be equipped with the 8th solenoid valve；The 7th solenoid valve is equipped between second indoor unit and second reversal valve；Described second
The 9th solenoid valve is equipped between indoor unit and the gas-liquid separator；It is equipped between second reversal valve and the regenerative apparatus
12nd solenoid valve；The tenth solenoid valve is equipped between the regenerative apparatus and the indoor unit；The regenerative apparatus and the section
The 11st solenoid valve is equipped between stream device.
9. multi-connected machine heat recovery system according to claim 5, which is characterized in that second reversal valve and the interior
The 13rd solenoid valve is equipped between machine；The first solenoid valve is equipped between first electric expansion valve and the indoor unit；It is described
The 6th solenoid valve is equipped between first indoor unit and second reversal valve；First indoor unit and the gas-liquid separator it
Between be equipped with the 8th solenoid valve；The 7th solenoid valve is equipped between second indoor unit and second reversal valve；The second Room
The 9th solenoid valve is equipped between interior machine and the gas-liquid separator；The is equipped between the cold-storage device and the gas-liquid separator
Five solenoid valves；Second solenoid valve is equipped between second electric expansion valve and first electric expansion valve；The cold-storage dress
It puts and the 4th solenoid valve is equipped between the indoor unit；The 5th electromagnetism is equipped between the cold-storage device and the gas-liquid separator
Valve；Further include the 3rd solenoid valve, described 3rd solenoid valve one end is connected with first electric expansion valve, the other end with it is described
Cold-storage device is directly connected to.
10. according to claim 1 to 9 any one of them multi-connected machine heat recovery system, which is characterized in that the reversal valve is four
Port valve；The outdoor heat exchanger is condenser, and evaporator is equipped in the indoor unit.
11. multi-connected machine heat recovery system according to claim 1, which is characterized in that further included capillary；The capillary
Pipe one end is connected with the reversal valve, and the other end is connected with the gas-liquid separator.
12. multi-connected machine heat recovery system according to claim 2, which is characterized in that further included the first capillary and
Two capillaries；Described first capillary one end is connected with first reversal valve, and the other end is connected with the gas-liquid separator；
Described second capillary one end is connected with second reversal valve, and the other end is connected with the gas-liquid separator.
13. multi-connected machine heat recovery system according to claim 12, which is characterized in that first reversal valve is equipped with direct
Connection and the first circuit of the gas-liquid separator；Second reversal valve is equipped with the be directly connected to the gas-liquid separator
Secondary circuit；First circuit and first capillary paralleling；The second servo loop and second capillary paralleling.
14. multi-connected machine heat recovery system according to claim 7, which is characterized in that
When the multi-connected machine heat recovery system is in the complete refrigeration mode of underload, first solenoid valve is opened, and described the
Two solenoid valves are opened, the 3rd solenoid valve is closed, the 4th solenoid valve is closed, the 5th solenoid valve is opened and the 8th solenoid valve is opened；
Or,
When the multi-connected machine heat recovery system is in the complete refrigeration mode of high load capacity, first solenoid valve is opened, and described the
Two solenoid valves are closed, the 3rd solenoid valve is opened, the 4th solenoid valve is opened, the 5th solenoid valve is closed and the 8th solenoid valve is opened.
15. multi-connected machine heat recovery system according to claim 9, which is characterized in that
When the multi-connected machine heat recovery system is in underload main body refrigeration mode, first solenoid valve is opened, and described the
Two solenoid valves opening, the closing of the 4th solenoid valve, the 5th solenoid valve opening, the 6th solenoid valve opening, the closing of the 7th solenoid valve, the 8th
Solenoid valve is closed, the 9th solenoid valve is opened and the 13rd solenoid valve is opened；Or,
When the multi-connected machine heat recovery system is in high load capacity main body refrigeration mode, first solenoid valve is opened, and described the
Two solenoid valves opening, the 4th solenoid valve opening, the closing of the 5th solenoid valve, the 6th solenoid valve opening, the closing of the 7th solenoid valve, the 8th
Solenoid valve is closed, the 11st solenoid valve is opened and the 13rd solenoid valve is opened.
16. multi-connected machine heat recovery system according to claim 8, which is characterized in that
When the multi-connected machine heat recovery system is in the complete heating mode of underload, first solenoid valve is opened, the 6th electricity
Magnet valve is opened, the 7th solenoid valve is opened, the 8th solenoid valve is closed, the 9th solenoid valve is closed, the tenth solenoid valve is closed, the 11st electricity
Magnet valve is opened, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve is connected with the compressor；
Or,
When the multi-connected machine heat recovery system is in the complete heating mode of high load capacity, first solenoid valve is opened, the 6th electricity
Magnet valve is opened, the 7th solenoid valve is opened, the 8th solenoid valve is closed, the 9th solenoid valve is closed, the tenth solenoid valve is opened, the 11st electricity
Magnet valve is closed, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；Or,
When the multi-connected machine heat recovery system is in underload main body heating mode, first solenoid valve is opened, the 6th electricity
Magnet valve is opened, the 7th solenoid valve is closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve is closed, the 11st electricity
Magnet valve is opened, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve is connected with the compressor；
Or,
When the multi-connected machine heat recovery system is in high load capacity main body heating mode, first solenoid valve is opened, the 6th electricity
Magnet valve is opened, the 7th solenoid valve is closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve is opened, the 11st electricity
Magnet valve is closed, the 12nd solenoid valve is opened and the 13rd solenoid valve is closed；First reversal valve is connected with the compressor；
Or,
When the multi-connected machine heat recovery system is in the complete heat recovery mode of underload, first solenoid valve is opened, the 6th
Solenoid valve opening, the closing of the 7th solenoid valve, the closing of the 8th solenoid valve, the 9th solenoid valve opening, the closing of the tenth solenoid valve, the 11st
Solenoid valve is opened, the 12nd solenoid valve is opened and the 13rd solenoid valve is opened；First reversal valve and the compressor connect
It is logical；Or,
When the multi-connected machine heat recovery system is in the complete heat recovery mode of high load capacity, first solenoid valve is closed, the 6th
Solenoid valve opening, the 7th solenoid valve are closed, the 8th solenoid valve is closed, the 9th solenoid valve is opened, the tenth solenoid valve closes opening, the tenth
One solenoid valve is closed, the 12nd solenoid valve is opened and the 13rd solenoid valve is closed.
17. a kind of conditioner, includes heat recovery system；It is characterized in that, the heat recovery system is aforesaid right
It is required that 1 to 16 any one of them multi-connected machine heat recovery system.
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| CN201711318651.5A CN108088008B (en) | 2017-12-12 | 2017-12-12 | Multi-split air conditioner and heat recovery system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579357A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of multi-connected machine heat pump system and control method with efficient recuperation of heat |
| CN109579356A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of temperature control multi-connected machine heat pump system and control method with heat recovery function |
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|---|---|---|---|---|
| JPH05302765A (en) * | 1992-04-27 | 1993-11-16 | Matsushita Refrig Co Ltd | Multi-chamber type air conditioner |
| CN106247665A (en) * | 2016-08-11 | 2016-12-21 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN207936367U (en) * | 2017-12-12 | 2018-10-02 | 珠海格力电器股份有限公司 | Multi-split heat recovery system and air conditioning device |
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2017
- 2017-12-12 CN CN201711318651.5A patent/CN108088008B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302765A (en) * | 1992-04-27 | 1993-11-16 | Matsushita Refrig Co Ltd | Multi-chamber type air conditioner |
| CN106247665A (en) * | 2016-08-11 | 2016-12-21 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN207936367U (en) * | 2017-12-12 | 2018-10-02 | 珠海格力电器股份有限公司 | Multi-split heat recovery system and air conditioning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579357A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of multi-connected machine heat pump system and control method with efficient recuperation of heat |
| CN109579356A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of temperature control multi-connected machine heat pump system and control method with heat recovery function |
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