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CN104879903B - Six control air conditioner cold and hot waters and domestic hot-water's unit - Google Patents

Six control air conditioner cold and hot waters and domestic hot-water's unit Download PDF

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Publication number
CN104879903B
CN104879903B CN201510299231.1A CN201510299231A CN104879903B CN 104879903 B CN104879903 B CN 104879903B CN 201510299231 A CN201510299231 A CN 201510299231A CN 104879903 B CN104879903 B CN 104879903B
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water
heat exchanger
hot
air
heat
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CN104879903A (en
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荣国华
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system

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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)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention belongs to compression-type refrigeration units, it includes air conditioner cold water heat exchanger, air conditioning hot heat exchanger, domestic hot-water's heat exchanger, air cooling heat exchanger, air conditioner cold water heat exchanger, air conditioning hot heat exchanger is each by the air-conditioner water system for return pipe and building, Cooling and Heat Source water system is connected, domestic hot-water's heat exchanger is connected for return pipe with the hot water supply system of building, shared six roots of sensation pipe, the unit in summer provides air conditioning water, while winter provides air conditioning hot, air conditioning water can also be provided, meet the needs of particular room winter refrigeration, and whole year provides domestic hot-water, fully recycle the condensation heat of refrigeration system and various waste heats, waste heat, energy-saving effect is notable.

Description

Six control air conditioner cold and hot waters and domestic hot-water's unit
Technical field
The invention belongs to air conditioner refrigerating fields, and in particular to provide air conditioner cold and hot water and the compression refrigerating machine of domestic hot-water Group.
Background technology
The current compression-type refrigeration unit for providing air conditioner cold and hot water is mostly wind-cooling type heat pump unit, it have a feed pipe, A piece return pipe, summer cooling water, Winter heat supply water are the units of two pipes system, in order to using the condensation heat of refrigeration machine, reach section The purpose of energy, some producers are equipped with condensation heat recovery device on unit, provide domestic hot-water, such unit has two air-conditionings Water is for return pipe and two domestic hot-waters for return pipe, i.e. four-pipe system unit.The unit is mostly air-cooled unit, is made using air For cooling source and heat sink, belong to air energy unit, but also other Cooling and Heat Sources for utilizing, such as:Ground source, source of sewage, Solar energy, open water supply and other waste heats, waste heat etc., wherein containing huge energy, air-cooled unit can not utilize.
When a seat tool has smaller, the every level of the building depth of exterior window to accumulate little, its air-conditioning system is typically to supply summer Cold, heat supply in winter;When building depth is larger, the heat dissipation that the room far from exterior window generates does not fall, and such room is annual Cooling is needed, and needs cooling, winter to need to heat close to the room summer of exterior window, therefore is occurred in same seat building in winter Different air conditioning requirements.Moreover, the calculator room equipments heat dissipation capacity such as computer, communication is larger, and whole year needs cooling.Currently, One air-conditioner set is difficult to meet the needs of can providing air conditioning hot but also providing air conditioning water simultaneously, can only select two Unit more than platform increases investment.
Invention content
Air conditioning water can be provided the purpose of the present invention is to provide one kind in summer but also provides sky simultaneously in winter Adjust hot water, chilled water, the annual refrigeration unit for providing domestic hot-water, the unit merely with air energy, can also not utilize other Cooling and Heat Source.
The present invention solution be:Six control air conditioner cold and hot waters and domestic hot-water's unit include air conditioner cold water heat exchanger, Air conditioning hot heat exchanger, domestic hot-water's heat exchanger, air cooling heat exchanger, compressor, expansion throttling device, auxiliary device, refrigerant follow Endless tube, refrigerant, they are linked in sequence into cycle refrigeration system, air conditioner cold water heat exchanger, air conditioning hot heat exchanger each by It is connected with the air-conditioner water system of building and Cooling and Heat Source water system for return pipe, life of domestic hot-water's heat exchanger for return pipe and building Hot-water heating system living is connected, and shares six roots of sensation pipe, referred to as six control air conditioner cold and hot waters and domestic hot-water's unit.
When refrigeration system is single cooling system, air conditioner cold water heat exchanger by air-conditioner water system for return pipe and building and Heat source water system is connected, it is annual as evaporator, provides chilled water for air-conditioning system, absorbs the heat of indoor heat and heat source Energy;For air conditioning hot heat exchanger by being connected with the air-conditioner water system of building and low-temperature receiver water system for return pipe, it is annual as cold Condenser, winter provide hot water for air-conditioning system, and summer can connect low-temperature receiver water system, discharge condensation heat;Domestic hot-water's heat exchanger is annual As condenser, refrigeration system condensation heat heating domestic hot water is recycled, energy-saving effect is notable;It is cold when cooling in summer system Solidifying heat discharges endless or when cannot discharge, remaining or whole condensation by air conditioning hot heat exchanger and domestic hot-water's heat exchanger Heat is discharged into outdoor by air cooling heat exchanger, and when the thermic load of winter heating air conditioning hot and domestic hot-water are inadequate or air-conditioning When transition season is stopped using, air cooling heat exchanger is converted into evaporator for cold-water heat exchanger and air conditioning hot heat exchanger, from outdoor It absorbs heat in air, thermic load is provided for refrigeration system.
When refrigeration system is heat pump system, it carries change working device, and air conditioner cold water heat exchanger passes through for return pipe It is connected with the air-conditioner water system of building, its summer provides chilled water as evaporator, for air-conditioning system, and winter is converted into condensation Device provides hot water for air-conditioning system;Air conditioning hot heat exchanger passes through the air-conditioner water system and Cooling and Heat Source water for return pipe and building System is connected, and summer discharges condensation heat as condenser, by low-temperature receiver water system, and winter is converted into evaporator and is carried for air-conditioning system For chilled water, the thermal energy of indoor heat and heat source is absorbed;Domestic hot-water's heat exchanger whole year as condenser, recycles refrigeration system Unite condensation heat heating domestic hot water, and energy-saving effect is notable;When cooling in summer system condensation heat by air conditioning hot heat exchanger and When the discharge of domestic hot-water's heat exchanger is endless, remaining condensation heat is discharged into outdoor by air cooling heat exchanger, and winter heats air-conditioning When the thermic load of hot water and domestic hot-water are inadequate or air conditioner cold water heat exchanger and air conditioning hot heat exchanger make in transition season stopping Used time, air cooling heat exchanger are converted into evaporator, absorb heat from outdoor air, and thermic load is provided for refrigeration system.
Air conditioner cold water heat exchanger, air conditioning hot heat exchanger, domestic hot-water's heat exchanger are water-cooled heat exchanger, and package can be used The heat exchanger of the forms such as formula, coiled, board-like, refrigerant carry out heat exchange, low-temp low-pressure liquid refrigeration with recirculated water wherein Agent evaporation endothermic in air conditioner cold water heat exchanger or air conditioning hot heat exchanger produces air conditioning water, high pressure gaseous refrigeration Agent condenses heat release, heating cooling water, tap water in air conditioning hot heat exchanger, air conditioner cold water heat exchanger, domestic hot-water's heat exchanger. Air cooling heat exchanger is air-cooled direct-expansion type heat exchanger, and refrigerant carries out heat exchange with outdoor air, and low-temp low-pressure liquid refrigerant exists Wherein evaporation endothermic or high temperature and high pressure gaseous refrigerant condenses heat release wherein, and the heat exchanger of the forms such as finned coil can be used. Refrigeration system is varying capacity system, and compressor uses variable conpacitance compressor, to adapt to the variation of refrigeration system cooling and heating load.Unit Indoor or outdoors are placed on, when being placed on interior, air cooling heat exchanger is placed on outdoor, is combined with the split type connection of unit;When unit is put At outdoor, all component combinations together, combine, but to take antifreezing measures for monoblock type connection.
The above advantageous effect of the invention is:Using a unit, summer cooling, Winter heat supply again can cooling simultaneously, entirely Year provides domestic hot-water, and abundant recovering condensing heat, using waste heat, waste heat, energy-saving effect is notable, reduces equipment investment.
Description of the drawings
Fig. 1 is the system diagram of single cold parallel unit
Fig. 2 is the system diagram of single cold tandem unit
Fig. 3 is the system diagram of single cold series-parallel unit
Fig. 4 is the system diagram of another single cold series-parallel unit
Fig. 5 is the system diagram of the parallel unit of heat pump
Fig. 6 is the system diagram of heat pump tandem unit
Fig. 7 is the system diagram of another heat pump tandem unit
Fig. 8 is the system diagram using the heat pump tandem unit of two-way expansion throttling device
Reference sign:
1, compressor, 2, oil eliminator, 3, oil return capillary, 4, domestic hot-water's heat exchanger, 5, air conditioning hot heat exchanger, 6, Air cooling heat exchanger, 7,8,9,10,17, electric control valve, 11,12,20,21, solenoid valve, 13, liquid storage device, 14, device for drying and filtering, 15, show liquid mirror, 16, expansion throttling device, 18, air conditioner cold water heat exchanger, 19, gas-liquid separator, 22,23, four-way reversing valve, 24, 25,26,27, check valve
Specific implementation method
Fig. 1 is single cooling system, and air conditioner cold water heat exchanger 18 is annual to be used as evaporator, by two for return pipe and building Air-conditioner water system, heat source(Such as:Ground source, source of sewage, open water supply, solar energy, various waste heats, waste heat etc.)Water system is connected, and is Indoor air-conditioning system provides chilled water, and winter absorbs heat from heat source;Air conditioning hot heat exchanger 5 is annual to be used as condenser, passes through two Root is for return pipe and the air-conditioner water system of building, low-temperature receiver(Such as:Cooling tower, Di Yuan, source of sewage, open water supply etc.)Water system phase Even, air conditioning hot is provided for indoor air-conditioning system winter, summer discharges condensation heat to low-temperature receiver;Domestic hot-water's heat exchanger 4 is annual to be made For condenser, domestic hot-water is provided for building by two for return pipe;6 summer of air cooling heat exchanger is as condenser to outdoor row Heat, summer, winter or transition season are as evaporator from outdoor heat absorption;Domestic hot-water's heat exchanger 4, air conditioning hot heat exchanger 5, wind Cold heat exchanger 6 is in parallel in refrigeration systems, and electric control valve 7,8,9,10,17 adjusts the flow of refrigerant, maintains the flat of system Weighing apparatus.
When cooling in summer system works, refrigerant circulating process is:1 → oil eliminator of compressor 2, then divides three tunnels, and one Road → 7 → domestic hot-water of electric control valve heat exchanger 4, another way → 8 → air conditioning hot of electric control valve heat exchanger 5, third road 9 → air cooling heat exchanger of → electric control valve, 6 → solenoid valve 12, three tunnels are converged, and → 13 → device for drying and filtering of liquid storage device 14 → shows liquid mirror 15 → expansion throttling device 16 → electric control valve, 17 → air conditioner cold water, 18 → gas-liquid separator of heat exchanger, 19 → compressor 1.At this point, Electric control valve 10, solenoid valve 11 are closed, and the aperture of electric control valve 7,8,9 is changed according to domestic hot-water's heat exchanger 4, air conditioning hot The load variations of hot device 5 are adjusted at random by automatic control system, and the condensation heat of refrigeration system passes through domestic hot-water's heat exchanger 4, sky Hot water heat exchanger 5 is adjusted to be discharged into the low-temperature receivers such as tap water, cooling tower, Di Yuan, source of sewage, open water supply, when condensation heat can not lead to Cross domestic hot-water's heat exchanger 4, when air conditioning hot heat exchanger 5 discharges, part or all of condensation heat passes through 6 row of air cooling heat exchanger It is put into air.
Above-mentioned cyclic process, unit provide domestic hot-water when providing air conditioning water;When only air-conditioning being needed to freeze Water when not needing domestic hot-water, closes electric control valve 7;When not needing air conditioning water, it is only necessary to when domestic hot-water, close Electric control valve 8,9,17, solenoid valve 12 are closed, opens electric control valve 7,10, solenoid valve 11, or when there is sufficient heat source, Electric control valve 7,17 is opened, closes electric control valve 8,9,10, solenoid valve 11,12, air cooling heat exchanger 6 does not work, air-conditioning cold Water- to-water heat exchanger 18 absorbs heat from heat source, and thermal energy is provided for life hot water heat exchanger 4.
When winter refrigeration system works, refrigerant circulating process is:1 → oil eliminator of compressor 2, then divides two-way, and one Road → 7 → domestic hot-water of electric control valve heat exchanger 4, another way → 8 → air conditioning hot of electric control valve heat exchanger 5, two-way converge Liquid 15 → expansion throttling of mirror device 16 is shown in conjunction → 13 → device for drying and filtering of liquid storage device 14 →, then divides two-way, all the way → motorized adjustment 10 → air cooling heat exchanger of valve, 6 → solenoid valve 11, another way → 17 → air conditioner cold water of electric control valve heat exchanger 18, two-way converges → 19 → compressor of gas-liquid separator 1.At this point, electric control valve 9, solenoid valve 12 are closed, the aperture of electric control valve 7,8,10,17 According to domestic hot-water's heat exchanger 4, air conditioning hot heat exchanger 5, air conditioner cold water heat exchanger 18 load variations by automatic control system Random to adjust, air conditioner cold water heat exchanger 18 and air cooling heat exchanger 6 are all evaporator, and the two parallel connection in refrigeration systems, works as air-conditioning When the refrigeration duty of cold-water heat exchanger 18 is relatively low, air cooling heat exchanger 6 is converted into evaporator and absorbs heat from air, meets refrigeration system one Part or all of thermal load demands, 18 winter of air conditioner cold water heat exchanger provide air conditioning water, absorption chamber for indoor air-conditioning system It, can also be with other heat sources while interior thermal energy(Such as:Ground source, source of sewage, open water supply, solar energy, various waste heats, waste heat etc.) Water system is connected, from wherein absorbing heat.
Above-mentioned cyclic process, unit provide domestic hot-water when providing air conditioning hot, chilled water;When only needing sky Hot water, chilled water are adjusted, when not needing domestic hot-water, closes electric control valve 7;When not needing air conditioning hot, chilled water, it is only necessary to When domestic hot-water, electric control valve 8,9,17, solenoid valve 12 are closed, opens electric control valve 7,10, solenoid valve 11, or ought have When the heat source of abundance, electric control valve 7,17 is opened, closes electric control valve 8,9,10, solenoid valve 11,12, air cooling heat exchanger 6 It does not work, air conditioner cold water heat exchanger 18 absorbs heat from heat source;When only needing air conditioning hot, domestic hot-water, air-conditioning freezing is not needed When water, electric control valve 9,17, solenoid valve 12 are closed, opens electric control valve 7,8,10, solenoid valve 11, or there ought be abundance When heat source, electric control valve 7,8,17 to be opened, closes electric control valve 9,10, solenoid valve 11,12, air cooling heat exchanger 6 does not work, Air conditioner cold water heat exchanger 18 absorbs heat from heat source;When only needing air conditioning hot, when not needing domestic hot-water, chilled water, electricity is closed Dynamic regulating valve 7,9,17, solenoid valve 12 open electric control valve 8,10, solenoid valve 11, or when there is sufficient heat source, open Electric control valve 8,17 closes electric control valve 7,9,10, solenoid valve 11,12, and air cooling heat exchanger 6 does not work, and air conditioner cold water changes Hot device 18 absorbs heat from heat source.
When transition season refrigeration system produces domestic hot-water, refrigerant circulating process is:1 → oil eliminator of compressor 2 → 13 → device for drying and filtering of electric control valve 7 → domestic hot-water, 4 → liquid storage device of heat exchanger 14 → show liquid 15 → expansion throttling of mirror device 16 19 → compressor of → electric control valve 10 → air cooling heat exchanger, 6 → solenoid valve, 11 → gas-liquid separator 1.At this point, domestic hot-water changes Hot device 4 produces domestic hot-water, and air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5 do not work, electric control valve 8,9,17, electricity Magnet valve 12 is closed, and air cooling heat exchanger 6 is converted into evaporator and absorbs heat from air, meets refrigeration system and produce needed for domestic hot-water Thermic load.Therefore in summer or winter, even if air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5 do not work, as long as air-cooled change Hot device 6 can be converted into evaporator, and refrigeration system can produce domestic hot-water.When summer or transition season heat source have sufficient heat When can utilize, air conditioner cold water heat exchanger 18 is used as evaporator, can absorb heat from heat source, heat is provided for life hot water heat exchanger 4 Energy.When individual room whole years needing cooling, air conditioning water is still provided in transition season air conditioner cold water heat exchanger 18, together When also be life hot water heat exchanger 4 provide thermal energy.
Above-mentioned Cooling and Heat Source water system and air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5 are connected for return pipe, simultaneously Also it is connected with the air-conditioner water system of building, two kinds of connection types is usually taken:It is connected directly or indirectly, according to air conditioner cold water Cold and hot matchmaker's feature of heat exchanger 18, the operating mode of air conditioning hot heat exchanger 5 and Cooling and Heat Source, selection are directly connected to or are indirectly connected with. When Cooling and Heat Source is source of sewage, open water supply, water quality inferiority cannot be delivered directly to air conditioner cold water heat exchanger 18, air conditioning hot In heat exchanger 5, it is necessary to increase a water- to-water heat exchanger, air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5 for return pipe and its It is connected, sewage, natural water enter wherein, exchange heat with the recirculated water from air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5, This is to be indirectly connected with;When Cooling and Heat Source be ground source when, quality of groundwater is preferable, can be delivered directly to air conditioner cold water heat exchanger 18, It exchanges heat, can be directly connected to air conditioning hot heat exchanger 5 in air conditioning hot heat exchanger 5, condensation heat is discharged for summer, by Chilled water is provided for the air-conditioner water system of building in winter air-conditioning cold-water heat exchanger 18, is absorbed indirectly by indoor end air conditioner Indoor thermal energy, while the thermal energy of ground source underground water is absorbed again, it is also necessary to increase a water- to-water heat exchanger, air conditioner cold water is made to exchange heat Device 18 is indirectly connected with the formation of water source system, and a closed circulation system is formed between this three.
In Fig. 2, domestic hot-water's heat exchanger 4, air conditioning hot heat exchanger 5, the series connection of air cooling heat exchanger 6 are in refrigeration systems.
When cooling in summer system works, refrigerant circulating process is:Compressor 1 → oil eliminator, 2 → domestic hot-water exchanges heat 13 → device for drying and filtering of device 4 → air conditioning hot heat exchanger 5 → solenoid valve, 20 → air cooling heat exchanger, 6 → solenoid valve, 12 → liquid storage device 14 → show 18 → gas-liquid separator of liquid mirror 15 → expansion throttling device 16 → electric control valve, 17 → air conditioner cold water heat exchanger 19 → compression Machine 1, at this point, electric control valve 10, solenoid valve 11,21 close, when refrigerant condensation heat can by domestic hot-water's heat exchanger 4, When air conditioning hot heat exchanger 5 discharges, air cooling heat exchanger 6 is stopped, and solenoid valve 20 is closed, and solenoid valve 21 is opened, refrigerant It is directly entered liquid storage device 13.
When winter refrigeration system works, refrigerant circulating process is:Compressor 1 → oil eliminator, 2 → domestic hot-water exchanges heat 13 → device for drying and filtering of device 4 → air conditioning hot heat exchanger 5 → solenoid valve, 21 → liquid storage device 14 → show liquid mirror 15 → expansion throttling device 16, then divide two-way, all the way 10 → air cooling heat exchanger of electric control valve, 6 → solenoid valve 11, another way → electric control valve 17 → Air conditioner cold water heat exchanger 18, two-way converge → 19 → compressor of gas-liquid separator 1.At this point, solenoid valve 12,20 is closed, electric adjustable The aperture of section valve 10,17 is adjusted according to the load variations of air conditioner cold water heat exchanger 18 by automatic control system at random, air conditioner cold water Heat exchanger 18 is all evaporator with air cooling heat exchanger 6, and in refrigeration systems, cold when air conditioner cold water heat exchanger 18 is born for the two parallel connection When lotus is relatively low, air cooling heat exchanger 6 is converted into evaporator and absorbs heat from air, meets refrigeration system part or all of thermic load need It asks.
When transition season refrigeration system hot water preparing, refrigerant circulating process is:1 → oil eliminator of compressor 2 → life 13 → device for drying and filtering of hot water heat exchanger 4 → air conditioning hot heat exchanger 5 → solenoid valve, 21 → liquid storage device 14 → show liquid mirror 15 → swollen 19 → compressor of swollen 16 → electric control valve of flow controller 10 → air cooling heat exchanger, 6 → solenoid valve, 11 → gas-liquid separator 1.At this point, Domestic hot-water's heat exchanger 4 produces domestic hot-water, and air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5 do not work, solenoid valve 12, 20, electric control valve 17 is closed, and air cooling heat exchanger 6 is converted into evaporator and absorbs heat from air, meets refrigeration system and produce life Thermic load needed for hot water.
In Fig. 3, domestic hot-water's heat exchanger 4 is in parallel with air conditioning hot heat exchanger 5 in refrigeration systems, then with air-cooled heat exchange Device 6 connect in refrigeration systems, in Fig. 4, air conditioning hot heat exchanger 5 is in parallel with air cooling heat exchanger 6 in refrigeration systems, then with The series connection of domestic hot-water's heat exchanger 4 is in refrigeration systems or domestic hot-water's heat exchanger 4 is connected in parallel on refrigeration system with air cooling heat exchanger 6 In system, then connect in refrigeration systems with air conditioning hot heat exchanger 4, referred to as series and parallel combined connection, San Zhezhong, wherein two A parallel connection person carries the electric control valve of adjusting refrigerant flow rate, and operation principle is with reference to figure 1, Fig. 2.
In Fig. 5, refrigeration system carries the first four-way reversing valve 22 and the second four-way reversing valve 23, air conditioner cold water heat exchanger 18, air conditioning hot heat exchanger 5, air cooling heat exchanger 6 may be implemented the exchange of evaporator and condenser, system can be freezed, Heating condition is converted, and such refrigeration system is heat pump system.Domestic hot-water's heat exchanger 4 is mounted in 1 exhaust outlet of compressor and first Between four-way reversing valve 22, it is annual as condenser, and domestic hot-water is provided for return pipe for building by two.Air conditioning hot Heat exchanger 5 is in parallel with air cooling heat exchanger 6 in refrigeration systems, two skies for return pipe and building of air conditioner cold water heat exchanger 18 Water transfer system, heat source water system are connected, it provides chilled water, summer or mistake as evaporator, summer for the air-conditioning system of building Cross season absorbs heat from heat source, is used for heating domestic hot water, it is that the air-conditioning system built provides hot water that winter, which is converted into condenser,. Two of air conditioning hot heat exchanger 5 are for return pipe and the air-conditioner water system of building, Cooling and Heat Source(Such as:Cooling tower, Di Yuan, source of sewage, Open water supply, solar energy, various waste heats, waste heat etc.)System is connected, and summer discharges condensation heat, winter as condenser to low-temperature receiver Evaporator is converted into provide chilled water to the air-conditioning system of building, absorb heat from heat source.
When cooling in summer cooling system recycles, refrigerant circulating process is:Compressor 1 → oil eliminator, 2 → domestic hot-water Then 4 → four-way reversing valve of heat exchanger 22 divides two-way, all the way → 8 → air conditioning hot of electric control valve heat exchanger 5, and another way → 9 → air cooling heat exchanger of electric control valve 6, two-way converge, and → 23 → liquid storage device of four-way reversing valve, 13 → device for drying and filtering 14 → shows liquid 19 → compressor of mirror 15 → expansion throttling device 16 → four-way reversing valve, 23 → air conditioner cold water, 18 → gas-liquid separator of heat exchanger 1.Electricity The aperture of dynamic regulating valve 8,9 is random by automatic control system according to the load variations of air conditioning hot heat exchanger 5, air cooling heat exchanger 6 It adjusts, two of air conditioning hot heat exchanger 5 for return pipe and low-temperature receiver(Such as:Cooling tower, Di Yuan, source of sewage, open water supply etc.)System System is connected, and discharges condensation heat.When condensation heat can not be discharged by domestic hot-water's heat exchanger 4, air conditioning hot heat exchanger 5, one Part or all of condensation heat is discharged by air cooling heat exchanger 6 in air.
Above-mentioned cyclic process, unit provide domestic hot-water when providing air conditioning water;When only air-conditioning being needed to freeze Water when not needing domestic hot-water, closes the recirculated water valve on domestic hot-water's heat exchanger 4;When not needing air conditioning water When, it is only necessary to when domestic hot-water, four-way reversing valve 22,23 commutates, and electric control valve 8,9 is opened, air conditioning hot heat exchanger 5, wind Cold heat exchanger 6 is converted into evaporator, absorbs heat from heat source and air or air conditioning hot heat exchanger 5, air cooling heat exchanger 6 not work Make, air conditioner cold water heat exchanger 18 absorbs heat as evaporator from heat source, and heat source is provided for life hot water heat exchanger 4.
When winter refrigeration system heating cycle, four-way reversing valve 22,23 commutates, air conditioning hot heat exchanger 5, air cooling heat exchanger 6 are converted into evaporator, and air conditioner cold water heat exchanger 18 is converted into condenser, and refrigerant circulating process is:1 → oil eliminator of compressor 2 → domestic hot-water heat exchanger 4 → four-way reversing valve, 22 → air conditioner cold water, 18 → four-way reversing valve of heat exchanger, 23 → liquid storage device 13 → Device for drying and filtering 14 → show 16 → four-way reversing valve of liquid mirror 15 → expansion throttling device 23, then divides two-way, all the way → air conditioning hot 5 → electric control valve of heat exchanger 8, another way → 6 → electric control valve of air cooling heat exchanger 9, two-way converge → four-way reversing valve 22 19 → compressor of → gas-liquid separator 1.The aperture of electric control valve 8,9 is according to air conditioning hot heat exchanger 5, air cooling heat exchanger 6 Load variations are adjusted at random by automatic control system, when the refrigeration duty of air conditioning hot heat exchanger 5 is relatively low, 6 turns of air cooling heat exchanger It changes evaporator into absorb heat from air, meets refrigeration system part or all of thermal load demands, air conditioning hot heat exchanger 5 is to building The air-conditioning system built provides chilled water, can also be with other heat sources(Such as:It is ground source, source of sewage, open water supply, solar energy, various useless Heat etc.)System is connected, from wherein absorbing heat.
Above-mentioned cyclic process, unit provide domestic hot-water when providing air conditioning hot, chilled water;When only needing sky Hot water, chilled water are adjusted, when not needing domestic hot-water, closes the recirculated water valve on domestic hot-water's heat exchanger 4;When not needing Air conditioning hot, chilled water, it is only necessary to which when domestic hot-water, air conditioner cold water heat exchanger 18 stops supplying water, and air conditioning hot heat exchanger 5 is from warm Heat absorption, air cooling heat exchanger 6 absorb heat from air in source;It is empty when not needing chilled water when only needing air conditioning hot, domestic hot-water Hot water heat exchanger 5 is adjusted to absorb heat from air from heat absorption, air cooling heat exchanger 6 in heat source;When only needing air conditioning hot, need not freeze When water, domestic hot-water, the recirculated water valve on domestic hot-water heat exchanger 4 is closed, air conditioning hot heat exchanger 5 absorbs heat from heat source, Air cooling heat exchanger 6 absorbs heat from air.
When transition season refrigeration system heating cycle, four-way reversing valve 22,23 commutates, and air conditioning hot heat exchanger 5 air-cooled changes Hot device 6 is converted into evaporator, and air conditioner cold water heat exchanger 18 is converted into condenser, and refrigerant circulating process is:1 → oil of compressor From device 2 → domestic hot-water heat exchanger 4 → four-way reversing valve, 22 → air conditioner cold water heat exchanger 18 → four-way reversing valve, 23 → liquid storage device 13 → device for drying and filtering 14 → show liquid mirror 15 → expansion throttling device 16 → four-way reversing valve, 23 → air cooling heat exchanger, 6 → motorized adjustment 19 → compressor of valve 9 → four-way reversing valve, 22 → gas-liquid separator 1.At this point, domestic hot-water's heat exchanger 4 produces domestic hot-water, it is empty Cold-water heat exchanger 18, air conditioning hot heat exchanger 5 is adjusted not to work, electric control valve 8 is closed, and air cooling heat exchanger 6 is converted into evaporator It absorbs heat from air, meets refrigeration system and produce thermic load needed for domestic hot-water, when there is waste heat water source that can utilize, air conditioner heat Water- to-water heat exchanger 5 works, and absorbs heat from waste water.When summer or transition season heat source have sufficient thermal energy that can utilize, air conditioner cold water Heat exchanger 18 is used as evaporator, can absorb heat from heat source, thermal energy is provided for life hot water heat exchanger 4.It is needed when individual room whole years When wanting cooling, air conditioning water is still provided in transition season air conditioner cold water heat exchanger 18, while being also that domestic hot-water exchanges heat Device 4 provides thermal energy.
In Fig. 6, Fig. 7, air conditioning hot heat exchanger 5, the series connection of air cooling heat exchanger 6 are in refrigeration systems.In Fig. 7, four-way commutation Valve 23 is replaced by check valve 24,25,26,27, also the change working device of other forms.
In above-described embodiment, expansion throttling device 16 is unidirectional expansion throttling device, when it is two-way expansion throttling device, Fig. 5, 6, the four-way reversing valve 23 in 7 and check valve 24,25,26,27 can be cancelled, and only set a four-way reversing valve 22, seen Fig. 8, System more simplifies.
In conclusion summer of the invention provides air conditioning water, winter can also provide sky while providing air conditioning hot It adjusts chilled water, whole year that can provide domestic hot-water, fully recycles the condensation heat and various waste heats, waste heat of refrigeration system, Energy-saving effect is notable.When the unit provides air conditioning water and hot water at the same time, while domestic hot-water is provided, or is provided separately When air conditioning water, while providing domestic hot-water, or air conditioning hot is provided separately, while domestic hot-water is provided, Huo Zhetong When air conditioning water is provided and when hot water, domestic hot-water is not provided, air conditioning water is either provided separately or sky is provided separately Hot water is adjusted, or domestic hot-water is provided separately.
The above is only the preferable implementing method of the present invention, not does limitation in any form to the present invention. Any simple modifications, equivalents, and modifications done according to the technical essence of the invention to the above implementing method belong to this The protection domain of invention.

Claims (8)

1. six control air conditioner cold and hot waters and domestic hot-water's unit, it includes air conditioner cold water heat exchanger, air conditioning hot heat exchanger, life Hot water heat exchanger, air cooling heat exchanger, compressor, expansion throttling device, auxiliary device, refrigerant circulation pipe, refrigerant, their sequences Connect into cycle refrigeration system, which is characterized in that refrigeration system is single cooling system, air conditioner cold water heat exchanger, air conditioning hot heat exchange Device, domestic hot-water's heat exchanger are water-cooled heat exchanger, and refrigerant carries out heat exchange with recirculated water;Air cooling heat exchanger is air-cooled straight swollen Formula heat exchanger, refrigerant carry out heat exchange with outdoor air;The air-conditioning water system for return pipe and building of air conditioner cold water heat exchanger System, heat source water system are connected, and air conditioning hot heat exchanger is connected for return pipe with the air-conditioner water system of building, low-temperature receiver water system, Domestic hot-water's heat exchanger is connected for return pipe with the hot water supply system of building;Air conditioner cold water heat exchanger is as evaporator, entirely Year provides chilled water for air-conditioning system, absorbs thermal energy from indoor and heat source;Air conditioning hot heat exchanger is as condenser, winter Air-conditioning system provides hot water, and summer discharges condensation heat into low-temperature receiver;Domestic hot-water's heat exchanger provides life as condenser, whole year Hot water;Air cooling heat exchanger summer discharges condensation heat or summer or winter into air as condenser or transition season is converted to Evaporator absorbs heat from air, is mutually converted with evaporator equipped with condenser on air cooling heat exchanger refrigerant inlet/outlet pipe road Valve;Domestic hot-water's heat exchanger, air conditioning hot heat exchanger, air cooling heat exchanger in parallel or series or series and parallel combined are connected to In refrigeration system;When the unit provides air conditioning water and hot water at the same time, while domestic hot-water is provided, or sky is provided separately When adjusting chilled water, while providing domestic hot-water, or air conditioning hot is provided separately, while domestic hot-water is provided, or simultaneously When air conditioning water and hot water are provided, domestic hot-water is not provided, air conditioning water is either provided separately or air-conditioning is provided separately Hot water, or domestic hot-water is provided separately.
2. six control air conditioner cold and hot waters and domestic hot-water's unit, it includes air conditioner cold water heat exchanger, air conditioning hot heat exchanger, life Hot water heat exchanger, air cooling heat exchanger, compressor, expansion throttling device, auxiliary device, refrigerant circulation pipe, refrigerant, their sequences Connect into cycle refrigeration system, which is characterized in that refrigeration system is heat pump system, carries change working device, and air conditioner cold water changes Hot device, air conditioning hot heat exchanger, domestic hot-water's heat exchanger are water-cooled heat exchanger, and refrigerant carries out heat exchange with recirculated water;Wind Cold heat exchanger is air-cooled direct-expansion type heat exchanger, and refrigerant carries out heat exchange with outdoor air;Air conditioner cold water heat exchanger for return water It manages and is connected with the air-conditioner water system of building, Cooling and Heat Source water system, the air conditioner water for return pipe and building of air conditioning hot heat exchanger System, Cooling and Heat Source water system are connected, and domestic hot-water's heat exchanger is connected for return pipe with the hot water supply system of building;Air-conditioning cold Water- to-water heat exchanger summer or transition season provide chilled water, or absorb heat from heat source as evaporator for air-conditioning system, winter conversion For condenser hot water is provided for air-conditioning system;Air conditioning hot heat exchanger summer, as condenser, condensation heat, winter were discharged into low-temperature receiver Season or transition season are converted to evaporator, and chilled water is provided for air-conditioning system, absorb thermal energy from indoor and heat source;Domestic hot-water Heat exchanger provides domestic hot-water as condenser, whole year;Air cooling heat exchanger summer discharges condensation heat into air as condenser, Or summer or winter or transition season are converted to evaporator, absorb heat from air;Domestic hot-water's heat exchanger is mounted in compressor air-discharging On refrigerant tubing between mouth and the first four-way reversing valve, air conditioning hot heat exchanger is arranged in parallel or in series in system with air cooling heat exchanger In cooling system;When the unit provides air conditioning water and hot water at the same time, while domestic hot-water is provided, or air-conditioning is provided separately When chilled water, while providing domestic hot-water, or air conditioning hot is provided separately, while domestic hot-water is provided, or carried simultaneously When for air conditioning water and hot water, domestic hot-water is not provided, air conditioning water is either provided separately or air conditioner heat is provided separately Water, or domestic hot-water is provided separately.
3. six control air conditioner cold and hot water according to claim 1 and domestic hot-water's unit, which is characterized in that work as domestic hot-water When heat exchanger, air conditioning hot heat exchanger, air cooling heat exchanger are connected in parallel in refrigeration systems, they carry and adjust refrigerant stream The electric control valve of amount;When domestic hot-water's heat exchanger, air conditioning hot heat exchanger, air cooling heat exchanger is series and parallel combined is connected to system When in cooling system, two of which parallel connection person carries the electric control valve of adjusting refrigerant flow rate.
4. six control air conditioner cold and hot water according to claim 1 and domestic hot-water's unit, which is characterized in that work as air conditioner cold water When heat exchanger, air cooling heat exchanger are all evaporator, in refrigeration systems, they carry adjusting refrigerant flow rate for the two parallel connection Electric control valve.
5. six control air conditioner cold and hot water according to claim 2 and domestic hot-water's unit, which is characterized in that work as air conditioning hot Heat exchanger it is in parallel with air cooling heat exchanger in refrigeration systems when, they carry adjusting refrigerant flow rate electric control valve.
6. six control air conditioner cold and hot water according to claim 2 and domestic hot-water's unit, which is characterized in that work as refrigeration system In expansion throttling device be two-way expansion throttling device when, refrigeration system only sets a four-way reversing valve.
7. six control air conditioner cold and hot water according to claim 1 or 2 and domestic hot-water's unit, which is characterized in that air-conditioning cold The connection of water- to-water heat exchanger, air conditioning hot heat exchanger and Cooling and Heat Source is taken connected directly or indirectly.
8. six control air conditioner cold and hot water according to claim 1 or 2 and domestic hot-water's unit, which is characterized in that unit is adopted Combination or split type connection combination are connected with monoblock type.
CN201510299231.1A 2015-04-30 2015-06-03 Six control air conditioner cold and hot waters and domestic hot-water's unit Active CN104879903B (en)

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CN106871317A (en) * 2017-02-08 2017-06-20 江门市开普勒卫浴科技有限公司 Smart home integrated system
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CN111457515A (en) * 2020-05-21 2020-07-28 北京创意信通科技有限责任公司 Air conditioning auxiliary heat exchange unit, air conditioning system and control method, and environment simulation device
CN115388452A (en) * 2022-08-11 2022-11-25 国网山东省电力公司经济技术研究院 Data center air-cooled direct-expansion air conditioner waste heat recovery system and method
CN117515811A (en) * 2023-10-27 2024-02-06 广东欧科空调制冷有限公司 Four-pipe air conditioning system, operation control method and control system

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