CN110160171A - A kind of multi-mode water ring multi-online air-conditioning system - Google Patents

A kind of multi-mode water ring multi-online air-conditioning system Download PDF

Info

Publication number
CN110160171A
CN110160171A CN201910367562.2A CN201910367562A CN110160171A CN 110160171 A CN110160171 A CN 110160171A CN 201910367562 A CN201910367562 A CN 201910367562A CN 110160171 A CN110160171 A CN 110160171A
Authority
CN
China
Prior art keywords
air
indoor
valve
outdoor
main pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910367562.2A
Other languages
Chinese (zh)
Inventor
石文星
肖寒松
姜思航
王宝龙
李先庭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Original Assignee
Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University filed Critical Tsinghua University
Priority to CN201910367562.2A priority Critical patent/CN110160171A/en
Publication of CN110160171A publication Critical patent/CN110160171A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F24F3/065Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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 using natural energy, e.g. solar energy, energy from the ground
    • 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
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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 using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064Air-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 using natural energy, e.g. solar energy, energy from the ground using solar energy

Abstract

The present invention relates to air-conditioning technical fields, provide a kind of multi-mode water ring multi-online air-conditioning system.The system includes multiple air-conditioner sets, second circulation pump, shut-off valve and natural energy resources acquisition device;Air-conditioner set includes multiple indoor heat exchangers, the indoor heat exchanger of each air-conditioner set is three media heat exchangers with indoor first medium channel and indoor second medium channel, and the first end in all interiors second medium channel is connected to the first main pipe, second end is connected to the second main pipe;The outlet of natural energy resources acquisition device is connected to by first circulation pump with the first main pipe, import is connected to the second main pipe;Second circulation pump import be connected to the first main pipe, export pass through supplying valve be connected to the second main pipe;Shut-off valve is arranged on the first main pipe, and the outlet of first circulation pump is located at the inlet side of shut-off valve, and the first end of import and all indoor second medium channels that second circulation pumps is respectively positioned on the outlet side of shut-off valve.The present invention can make air-conditioner set whole year stable and high effective operation.

Description

A kind of multi-mode water ring multi-online air-conditioning system
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of multi-mode water ring multi-online air-conditioning systems.
Background technique
Building energy consumption occupies very high specific gravity in social total energy consumption, and Heating,Ventilating and Air Conditioning energy consumption is the main portion of building energy consumption again Point, therefore optimizing air-conditioning system is the important channel for reducing social total energy consumption, realizing energy-saving and emission-reduction.
Currently, air-cooled multi-online air-conditioning system is not only widely used in the public buildings such as office building, hotel, school In, and also greatly promoted in residential housing.Relevant statistics are shown, in recent years air-cooled more in all kinds of air-conditioning products The market share of online air-conditioning system has exceeded 50%.
Although air-cooled multi-online air-conditioning system has many advantages, such as that control is independent flexibly, part load performance is excellent, There are still many problems: 1, in view of the safe oil return of multi-connected machine, the total installation of generating capacity of indoor unit and the installation of outdoor unit are held Ratio, that is, Disposing rate of amount is difficult to break through 130%;Multi-connected machine is in actual motion simultaneously, and utilization rate is very while indoor unit It is low.Therefore, multi-connected machine is usually in underload rate working condition running state, and efficiency is lower.2, air-cooled multi-connected machine heat supply in winter In the process, heat supply need to be interrupted when defrosting, influences indoor comfort.3, for large sized unit, because it is with Super long tube, Gao Luo Poor structure leads to performance degradation, and the refrigerant charge of system is big, once refrigerant leakage occurs, will lead to entire system System cannot be run, and will cause serious environmental pollution.In addition, reducing air conditioning energy consumption using natural energy resources is to realize to build Energy-efficient important channel is built, but conventional natural energy resources are often limited in available time span, quantity, protection is poor; If can combine natural energy resources with source of mechanical energy, natural energy resources are made full use of in multi-line system, can not only reduce energy consumption, It can also ensure the reliability that natural energy resources utilize.
Three media heat exchangers are a kind of heat exchangers that the synchronous heat exchange of three kinds of media may be implemented or exchange heat two-by-two, are substituted with it Two individual heat exchangers, it is possible to reduce heat exchanger and solenoid valve quantity reduce system complexity and reliability hidden danger.It is Chinese special Benefit application 201821519297.2 discloses a kind of heat exchanger, may be implemented three kinds of media between any two it is direct it is without hindrance efficiently Heat exchange, three media heat exchangers of the type structure are innovative design, raising Properties of Air-conditioning Unit is laid a good foundation.
Summary of the invention
The present invention is to solve existing air-conditioner set in winter with summer low efficiency, can not annual stable and high effective operation The technical issues of.
To solve the above problems, the present invention provides a kind of multi-mode water ring multi-online air-conditioning system, which includes the One circulating pump, the first main pipe, the second main pipe, multiple air-conditioner sets, second circulation pump, supplying valve, shut-off valve and for from from The natural energy resources acquisition device of heat and cooling capacity is acquired in the right energy;The air-conditioner set includes multiple indoor heat exchangers, each The indoor heat exchanger of the air-conditioner set is three Jie with indoor first medium channel and indoor second medium channel Matter heat exchanger, the interior first medium channel, the indoor second medium channel and outside air are able to carry out between any two Heat exchange;The interior first medium channel belongs to a part of the refrigerant circulation circuit of the air-conditioner set where it;It is all The first end in the interior second medium channel is connected to first main pipe, second end is connected to second main pipe; The outlet of the natural energy resources acquisition device pumped by the first circulation be connected to first main pipe, import and described second Main pipe connection;The import of the second circulation pump is connected to first main pipe, exports through the supplying valve and described second Main pipe connection;The shut-off valve is arranged on first main pipe, and the outlet of the first circulation pump is located at the shut-off valve The first end in inlet side, the import of the second circulation pump and all indoor second medium channels is respectively positioned on the shut-off valve Outlet side.
Wherein, each air-conditioner set further include with one-to-one first valve of the indoor heat exchanger, described One end of one valve is connected to the first end in the corresponding indoor second medium channel, and the other end of first valve passes through First main pipe is connected to first circulation pump.
Wherein, the air-conditioner set further includes outdoor heat exchanger, and the outdoor heat exchanger is logical with outdoor first medium Three media heat exchangers in road and outdoor second medium channel, the outdoor first medium channel, the outdoor second medium channel It is able to carry out heat exchange between any two with outside air;The outdoor first medium channel belongs to the air-conditioner set where it A part of refrigerant circulation circuit;The one end in the outdoor second medium channel is connected by the second valve and first main pipe The logical, other end is connected to second main pipe.
Wherein, the air-conditioner set further includes outdoor heat exchanger, compressor, four-way reversing valve and throttling set, the room External heat exchanger, compressor, four-way reversing valve, throttling set and indoor heat exchanger collectively form the refrigerant circulation of the air-conditioner set Circuit.
Wherein, the throttling set includes outdoor throttling set and the multiple and one-to-one room of the indoor heat exchanger Interior throttling set;The one end in all indoor first medium channels is connected to the first end of the four-way reversing valve, is another End is connected to by the corresponding indoor throttling set with the first end of the outdoor throttling set respectively;The outdoor throttling dress The second end set is connected to by the outdoor heat exchanger with the second end of the four-way reversing valve;The third of the four-way reversing valve End and the 4th end are connected to the import and export of the compressor respectively.
Wherein, the air-conditioner set further includes oil eliminator, gas-liquid separator, aftercooler and intermediate throttling set;Institute The high temperature side for having the indoor throttling set to pass through the aftercooler is connected to the outdoor throttling set;It is described to cool down again One end of the low temperature side of device passes sequentially through the intermediate throttling set and the outdoor throttling set and the outdoor heat exchanger connects It is logical, the third end of the other end of the low temperature side of the aftercooler and the four-way reversing valve with the gas-liquid separator into Mouth connection;The outlet of the gas-liquid separator passes through the inlet communication of the compressor and the oil eliminator;The oil separation The gas outlet of device is connected to the 4th end of the four-way reversing valve, and the oil outlet of the oil eliminator passes through capillary and the pressure The air entry of contracting machine is connected to.
Wherein, the natural energy resources acquisition device includes ground source acquisition device.
Wherein, the natural energy resources acquisition device further include solar energy heat collector, cooling tower, in high-temperature-hot-water net extremely Few one kind.
Wherein, the natural energy resources acquisition device includes solar energy heat collector and cooling tower.
Wherein, the natural energy resources acquisition device further includes high-temperature-hot-water net.
The configuration of the present invention is simple, operation are convenient, by can be realized indoor first medium using multiple in air-conditioner set Without hindrance blocking connects the indoor heat exchanger of heat exchange two-by-two for channel, indoor second medium channel and outside air, and by air-conditioner set Each interior one refrigerating medium circulation loop of second medium channel formation parallel with one another is connected to natural energy resources acquisition device, not only It can be changed using the refrigerating medium of refrigerating medium circulation loop to the outdoor of air-conditioner set to be defrosted when part air-conditioner set needs to defrost Hot device provides heat, realizes quickly defrosting, is substantially reduced the piping length and height difference, the charging amount for reducing refrigerant of multi-connected machine, And free cold supply/heat can also be realized using natural energy resources acquisition device with conditioning in Transition Season in winter.As it can be seen that the present invention not only can be with Substantially reduce or avoid indoor heat exchanger is absorbed from room air during defrosting heat, shortening defrosting time, raising room Interior comfort level, and the reliability of heat-supply system of each air-conditioner set, reduction system whole year energy consumption can also be improved.In addition, due to each Between a air-conditioner set and between the indoor heat exchanger of each air-conditioner set heat can be carried out by refrigerating medium circulation loop Transfer, therefore the design capacity of each air-conditioner set is without excessive, and then can not only reduce cost, also contributes to each sky Unit is adjusted to improve operational efficiency by High Load Rate operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description simply to be introduced, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of one of embodiment of the present invention multi-mode water ring multi-online air-conditioning system;
Fig. 2 is the structural schematic diagram of A module in Fig. 1.
Appended drawing reference:
1.1, indoor heat exchanger;1.2, outdoor heat exchanger;1.3, compressor;
1.4, outdoor throttling set;1.5, indoor throttling set;1.6, intermediate throttling set;
1.7, oil eliminator;1.8, gas-liquid separator;1.9, aftercooler;
1.10, four-way reversing valve;1.11, capillary;2, first circulation pumps;
3, the first valve;4, the first main pipe;5, the second main pipe;
6, natural energy resources acquisition device;7, supplying valve;8, shut-off valve;9, the second valve;
10, second circulation pumps;1.1.1, indoor first medium channel;
1.1.2, indoor second medium channel;1.2.1, outdoor first medium channel;
1.2.2, outdoor second medium channel.
Specific embodiment
To keep the purposes, technical schemes and advantages of invention clearer, below in conjunction with the attached drawing in invention, in invention Technical solution be explicitly described, it is clear that described embodiment is invention a part of the embodiment, rather than whole realities Apply example.It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiment in invention Every other embodiment belongs to the range of invention protection.
In the description of the present invention, unless otherwise indicated, the orientation or positional relationship of the instructions such as term " on ", "lower" is base In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of invention.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can To be to be fixedly connected, may be a detachable connection, or be integrally connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected.For the ordinary skill in the art, tool of the above-mentioned term in invention can be understood with concrete condition Body meaning.
As depicted in figs. 1 and 2, a kind of multi-mode water ring multi-online air-conditioning system is present embodiments provided, which includes First circulation pump the 2, first main pipe 4, the second main pipe 5, multiple air-conditioner sets, second circulation pump 10, supplying valve 7, shut-off valve 8 and For acquiring the natural energy resources acquisition device 6 of heat and cooling capacity from natural energy resources;Air-conditioner set includes multiple indoor heat exchangers 1.1, the indoor heat exchanger 1.1 of each air-conditioner set is to have interior first medium channel 1.1.1 and indoor second medium logical Three media heat exchangers of road 1.1.2, indoor first medium channel 1.1.1, interior second medium channel 1.1.2 and outside air two Heat exchange is able to carry out between two;Indoor first medium channel 1.1.1 belongs to the refrigerant circulation circuit of the air-conditioner set where it A part;The first end of all interior second medium channel 1.1.2 is connected to the first main pipe 4, second end with the second main pipe 5 Connection;The outlet of natural energy resources acquisition device 6 is connected to by first circulation pump 2 with the first main pipe 4, import and the second main pipe 5 connect It is logical;Second circulation pump 10 import be connected to the first main pipe 4, export pass through supplying valve 7 be connected to the second main pipe 5;Shut-off valve 8 is set It sets on the first main pipe 4, the outlet of first circulation pump 2 is located at the inlet side of shut-off valve 8, the import of second circulation pump 10 and all The first end of indoor second medium channel 1.1.2 is respectively positioned on the outlet side of shut-off valve 8.Further, each air-conditioner set also wraps It includes and one-to-one first valve 3 of indoor heat exchanger 1.1, one end of the first valve 3 and corresponding indoor second medium channel 1.1.2 the other end of first end connection, the first valve 3 is connected to by the first main pipe 4 with first circulation pump 2.It needs to illustrate It is that natural energy resources acquisition device 6 is also possible to solar collecting device and cooling tower either ground source acquisition device.Certainly, Natural energy resources acquisition device 6 can also include ground source acquisition device, solar collecting device and cooling tower simultaneously.It is basic herein On, natural energy resources acquisition device 6 may also include high-temperature-hot-water net.
The system has multiple-working mode, such as heating mode, refrigeration mode, free cold supply mode, direct heating mould Formula.
Just above-mentioned each mode is specifically introduced below, it for ease of description, now will be in air-conditioner set each in Fig. 1 Each indoor heat exchanger 1.1 from left to right successively be known as the first indoor heat exchanger and N indoor heat exchanger.
As a result, when all air-conditioner sets can operate normally and be in refrigerating/heating mode, first circulation pump is closed 2.For any one air-conditioner set, when air-conditioner set is in heating mode, the refrigerant of outdoor heat exchanger 1.2 is flowed through The heat for absorbing outdoor air flows into indoor first medium channel 1.1.1 after 1.3 increasing temperature and pressure of compressor.Enter the room first The refrigerant of medium channel 1.1.1 then constantly transfers heat to room air, heat release cooling by way of convection current and radiation Refrigerant can back flow back into the heat absorption of outdoor heat exchanger 1.2 again after throttling set throttles afterwards.When air-conditioner set is in refrigeration mould When formula, flow into outdoor heat exchanger 1.2 refrigerant reject heat to outdoor air after flow into room after throttling set throttles Interior first medium channel 1.1.1.The refrigerant for entering the room first medium channel 1.1.1 then constantly passes through the side of convection current and radiation Formula absorbs heat from room air, and the refrigerant after heat absorption heating is changed by that can flow into outdoor again after 1.3 increasing temperature and pressure of compressor Hot device 1.2 carries out heat release.
Wherein, free cold supply mode includes natural energy resources cooling mode.Specifically:
Natural energy resources cooling mode: starting first circulation pump 2 and natural energy resources acquisition device 6, open shut-off valve 8 and with To concatenated first valve 3 of cooling supply air-conditioner set indoor heat exchanger 1.1, and the blower of the indoor heat exchanger 1.1 is opened, closed simultaneously Close second circulation pump 10, supplying valve 7, the second valve 9, remaining first valve 3 and the compressor to cooling supply air-conditioner set 1.3.When refrigerating medium flows through natural energy resources acquisition device 6 as a result, will constantly from natural energy resources acquisition device 6 extract it is low-grade from The right energy.First circulation pump 2 driving under, absorb cooling capacity refrigerating medium then pass sequentially through first circulation pump 2, shut-off valve 8 with And indoor second medium channel 1.1.2 is flowed into to concatenated first valve 3 of cooling supply air-conditioner set indoor heat exchanger 1.1, and straight It connects to indoor cooling supply.Refrigerating medium after heat absorption heating can back flow back into natural energy resources acquisition device 6 again and extract low-grade nature The energy.
When the system operates in direct heating mode, starting first circulation pump 2 and natural energy resources acquisition device 6, and beat It opens shut-off valve 8 and with to concatenated first valve 3 of heat supplying air conditioning unit indoor heat exchanger 1.1, and opens the indoor heat exchanger 1.1 blower simultaneously closes off second circulation pump 10, supplying valve 7, remaining first valve 3 and the pressure to heat supplying air conditioning unit Contracting machine 1.3.When refrigerating medium flows through natural energy resources acquisition device 6 as a result, heat constantly will be absorbed from natural energy resources acquisition device 6 Amount.First circulation pump 2 driving under, absorb cooling capacity refrigerating medium then pass sequentially through first circulation pump 2, shut-off valve 8 and with Indoor second medium channel 1.1.2 is flowed into concatenated first valve 3 of heat supplying air conditioning unit indoor heat exchanger 1.1, directly to room Interior heat supply.Refrigerating medium after heat release cooling can back flow back into natural energy resources acquisition device 6 again and absorb heat.As it can be seen that the system exists When running under direct heating mode, it can directly utilize municipal hot net water to being used to heat, thus both can be to avoid additional setting A set of heating end reduces initial cost, can also solve traditional water source multi-connected machine using municipal hot water as when heat source, cause The grade of heat source reduces the problem of with user's Double Dipping.
Preferably, it is contemplated that such as storeroom may there is still a need for cooling supply for part indoor spaces when conditioning in Transition Season and winter, so, Air-conditioner set further includes outdoor heat exchanger 1.2, and outdoor heat exchanger 1.2 is with outdoor first medium channel 1.2.1 and outdoor the Three media heat exchangers of second medium channel 1.2.2, outdoor first medium channel 1.2.1, outdoor second medium channel 1.2.2 and outer Portion's air is able to carry out heat exchange between any two;The refrigerant that outdoor first medium channel 1.2.1 is located at the air-conditioner set where it follows A part of loop back path;One end of outdoor second medium channel 1.2.2 is connected to by the second valve 9 with the first main pipe 4, the other end It is connected to the second main pipe 5.
As a result, under outdoor unit free cold supply mode, that is to say, that when outdoor temperature it is lower, it is indoor need cooling supply when, beat The second valve 9, shut-off valve 8, supplying valve 7 and at least one first valve 3 of the air-conditioner set are opened, and starts second circulation pump 10 With the blower on outdoor heat exchanger 1.2, and close first circulation pump 2.The load of outdoor second medium channel 1.2.2 is flowed through as a result, After cryogen is cooled down by outdoor Cryogenic air, the refrigerating medium being just gradually discharged with indoor heat exchanger 1.1 is mixed.Mixed refrigerating medium Be divided into two-way after passing sequentially through second circulation pump 10 and supplying valve 7: wherein to back flow back into outdoor second medium logical for refrigerating medium all the way Road 1.2.2 and outdoor air exchange heat;Another way refrigerating medium then flows into indoor second medium channel 1.1.2 to corresponding room cooling supply. Cooling capacity is released to after room air then and can be dropped again with through outdoor heat exchanger 1.2 by the refrigerating medium for flowing through indoor heat exchanger 1.1 The refrigerating medium of temperature re-mixes together.The mode directly utilizes natural cooling source, energy-efficient.
It should be noted that the system by using three media heat exchangers as outdoor heat exchanger 1.2, can not only run Under outdoor unit free cold supply mode, it can also operate under water source multi-connected machine mode.
Specifically, under water source multi-connected machine mode, starting first circulation pump 2, natural energy resources acquisition device 6 and the air conditioner Group compressor 1.3, open the second valve 9 of the air-conditioner set, and close shut-off valve 8, second circulation pump 10, supplying valve 7 with And with concatenated first valve 3 of respective chambers heat exchanger 1.1.It will not when refrigerating medium flows through natural energy resources acquisition device 6 at this time It is disconnected to extract low-grade natural energy resources from natural energy resources acquisition device 6.Under the driving of first circulation pump 2, low-grade nature is extracted The refrigerating medium of the energy passes sequentially through first circulation pump 2 and the second valve 9 flows into outdoor second medium channel 1.2.2 and flows through its room The refrigerant heat exchanger of outer first medium channel 1.2.1.Refrigerant after heat exchange is then followed according to above-mentioned cold/heat supply mode in refrigerant Loop back path flowing.
Further, which also has cold heat amount scheduling feature under above-mentioned each mode.Wherein, cold heat amount dispatches function It can include being dispatched for the cold heat amount scheduling of the same air-conditioner set and for the cold heat amount between different air-conditioner sets.Specifically Ground:
When needing to carry out the scheduling of cold heat amount between two indoor heat exchangers 1.1 any in the same air-conditioner set: to scheme In 1 for the air-conditioner set of the rightmost side, when the first indoor heat exchanger dispatches cold heat to N indoor heat exchanger: starting the Compressor 1.3 in two circulating pumps 10 and the air-conditioner set, and open supplying valve 7 and the first indoor heat exchanger concatenated first Valve 3 and with concatenated first valve 3 of N indoor heat exchanger, simultaneously close off shut-off valve 8, first circulation pump and remaining the One valve 3 opens the blower of N indoor heat exchanger.Wherein, the blower of the first indoor heat exchanger can according to need unlatching, It can close.
As a result, under the driving of second circulation pump 10, flow through the second medium channel 1.1.2's of the first indoor heat exchanger room Refrigerating medium is after the refrigerant suction heat/cold for flowing through its indoor first medium channel 1.1.1, just gradually and out of N room The refrigerating medium mixing of heat exchanger discharge.Mixed refrigerating medium is divided into two-way after passing sequentially through second circulation pump 10 and supplying valve 7: The indoor second medium channel 1.1.2 that wherein refrigerating medium back flows back into the first indoor heat exchanger all the way absorbs heat/cold;It is another Road-load cryogen then flows into the indoor second medium channel 1.1.2 of N indoor heat exchanger to corresponding room heat supply/cooling supply.
Similarly, when carrying out the scheduling of cold heat amount between different air-conditioner sets: the air-conditioner set to be located at the leftmost side in Fig. 1 For being located at the air-conditioner set of the rightmost side, when the air-conditioner set of the rightmost side needs to defrost, the air-conditioner set of the leftmost side is according to just When normal heating mode operation, that is to say, that when the first indoor heat exchanger of the air-conditioner set for being located at the rightmost side is needed from positioned at most When first indoor heat exchanger of the air-conditioner set in left side dispatches heat: starting second circulation pump 10, by the air-conditioner set of the rightmost side Refrigeration mode is switched to, and opens supplying valve 7, concatenated first valve 3 of the first indoor heat exchanger with leftmost side air-conditioner set And concatenated first valve 3 of the first indoor heat exchanger with rightmost side air-conditioner set, simultaneously close off shut-off valve 8, first circulation Pump and remaining first valve 3.Blower on first indoor heat exchanger of leftmost side air-conditioner set can according to need unlatching, It can close.As a result, under the driving of second circulation pump 10, absorb heat in the first indoor heat exchanger of leftmost side air-conditioner set Refrigerating medium is gradually mixed with the refrigerating medium that rightmost side air-conditioner set is discharged.Mixed refrigerating medium passes sequentially through second circulation pump 10 Be divided into two-way with after supplying valve 7: the first indoor heat exchanger that wherein refrigerating medium back flows back into leftmost side air-conditioner set all the way absorbs Heat;Another way refrigerating medium is then pumped to the first indoor heat exchanger of rightmost side air-conditioner set.At this time due to the sky of the rightmost side Adjust unit in refrigeration mode, therefore the refrigerant for flowing through its indoor first medium channel 1.1.1 can be directly from flowing through indoor the The high temperature refrigerating medium of second medium channel 1.1.2 absorbs heat, that is to say, that heat needed for 1.2 defrosting of outdoor heat exchanger comes from In the high temperature refrigerating medium for flowing through indoor second medium channel 1.1.2 rather than room air, the refrigerant after heat absorption then pass through pressure Outdoor heat exchanger 1.2 is flowed into after 1.3 increasing temperature and pressure of contracting machine carries out heat release defrosting.
It should be noted that one of air-conditioner set can be passed through when dispatching cold heat amount between two air-conditioner sets One or more indoor heat exchangers 1.1 dispatch cold heat amount to one or more indoor heat exchangers 1.1 of another air-conditioner set.
Preferably, air-conditioner set further includes outdoor heat exchanger 1.2, compressor 1.3, four-way reversing valve 1.10 and throttling dress It sets, outdoor heat exchanger 1.2, compressor 1.3, four-way reversing valve 1.10, throttling set and indoor heat exchanger 1.1 collectively form air-conditioning The refrigerant circulation circuit of unit.Wherein, throttling set includes outdoor throttling set 1.4 and multiple and indoor heat exchanger 1.1 1 One corresponding indoor throttling set 1.5;One end of all interior first medium channel 1.1.1 with four-way reversing valve 1.10 the One end connection, the other end are connected to by corresponding indoor throttling set 1.5 with the first end of outdoor throttling set 1.4 respectively;Room The second end of outer throttling set 1.4 is connected to by outdoor heat exchanger 1.2 with the second end of four-way reversing valve 1.10;Four-way reversing valve 1.10 third end and the 4th end are connected to the import and export of compressor 1.3 respectively.
Further, air-conditioner set further includes oil eliminator 1.7, gas-liquid separator 1.8, aftercooler 1.9 and middle node Flow device 1.6;All interior throttling sets 1.5 are connected to by the high temperature side of aftercooler 1.9 with outdoor throttling set 1.4; One end of the low temperature side of aftercooler 1.9 passes sequentially through intermediate throttling set 1.6 and outdoor throttling set 1.4 and outdoor heat exchanger The third end of 1.2 connections, the other end of the low temperature side of aftercooler 1.9 and four-way reversing valve 1.10 with gas-liquid separator 1.8 Inlet communication;The outlet of gas-liquid separator 1.8 passes through the inlet communication of compressor 1.3 and oil eliminator 1.7;Oil eliminator 1.7 gas outlet is connected to the 4th end of four-way reversing valve 1.10, and the oil outlet of oil eliminator 1.7 passes through capillary 1.11 and pressure The air entry of contracting machine 1.3 is connected to.
As a result, when all air-conditioner sets operate normally and are in cooling supply or heat supply mode, closing first circulation pump 2, Second valve 9 and the first all valves 3, while starting blower and the interior heat exchange of compressor 1.3 and outdoor heat exchanger 1.2 The blower of device 1.1.For any one air-conditioner set, when air-conditioner set is in cooling mode, low-temperature refrigerant is through pressing Oil eliminator 1.7 is flowed into after 1.3 increasing temperature and pressure of contracting machine carries out oily separation.The lubricating oil that oil eliminator 1.7 is separated returns to pressure The air entry of contracting machine 1.3, the refrigerant separated then pass through four-way reversing valve 1.10 and flow into outdoor first medium channel 1.2.1.The refrigerant for flowing through outdoor first medium channel 1.2.1 rejects heat to the outdoor throttling set of inflow after outdoor air 1.4, the refrigerant after the decompression cooling of outdoor throttling set 1.4 shunts, and the inflow of wherein most refrigerant cools down again The high temperature side of device 1.9, and remainder refrigerant is then flowed into after intermediate throttling set 1.6 further decompression cooling and is cooled down again The low temperature side of device 1.9.The refrigerant of 1.9 low temperature side of aftercooler is flowed through constantly from flowing through the heat absorption of its high temperature side refrigerant, then cold But gas-liquid separator 1.8 is flowed into after the refrigerant heat absorption heating of 1.9 low temperature side of device carry out gas-liquid separation, and aftercooler 1.9 is high Indoor first medium channel 1.1.1 is flowed by indoor throttling set 1.5 after the refrigerant heat release supercooling of warm side.Enter the room The refrigerant of one medium channel 1.1.1 then constantly absorbs heat by way of convection current and radiation from room air, and heat absorption rises Refrigerant after temperature enters gas-liquid separator 1.8, the gaseous state system that gas-liquid separator 1.8 is separated by four-way reversing valve 1.10 Cryogen can back flow back into the air entry of compressor 1.3 again.When air-conditioner set is in heat supply mode, low-temperature refrigerant is through compressor Oil eliminator 1.7 is flowed into after 1.3 increasing temperature and pressures carries out oily separation.The lubricating oil that oil eliminator 1.7 is separated returns to compressor 1.3 air entry, the refrigerant separated then pass through four-way reversing valve 1.10 and flow into indoor first medium channel 1.1.1.Into The refrigerant for entering indoor first medium channel 1.1.1 then constantly transfers heat to Interior Space by way of convection current and radiation Gas, the refrigerant after heat release cooling successively cool down by indoor throttling set 1.5, aftercooler 1.9 and outdoor throttling set 1.4 Outdoor first medium channel 1.2.1 is flowed into after decompression.Flow through the refrigerant suction outdoor air of outdoor first medium channel 1.2.1 Heat after pass sequentially through four-way reversing valve 1.10 and gas-liquid separator 1.8 and the air entry of compressor 1.3 can be returned to.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of invention, rather than its limitations;Although ginseng Invention is described in detail according to previous embodiment, those skilled in the art should understand that: it still can be right Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features;And this It modifies or replaces, the spirit and scope for each embodiment technical solution of invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of multi-mode water ring multi-online air-conditioning system, including first circulation pump, the first main pipe, the second main pipe and multiple air-conditionings Unit, which is characterized in that the multi-mode water ring multi-online air-conditioning system further include second circulation pump, supplying valve, shut-off valve with And the natural energy resources acquisition device for acquiring heat and cooling capacity from natural energy resources;The air-conditioner set includes that multiple interiors are changed Hot device, the indoor heat exchanger of each air-conditioner set are to have indoor first medium channel and indoor second medium logical Three media heat exchangers in road, the interior first medium channel, the indoor second medium channel and outside air are between any two It is able to carry out heat exchange;The interior first medium channel belongs to one of the refrigerant circulation circuit of the air-conditioner set where it Point;The first end in all indoor second medium channels is connected to first main pipe, second end is dry with described second Pipe connection;The outlet of the natural energy resources acquisition device pumped by the first circulation be connected to first main pipe, import and The second main pipe connection;The import of the second circulation pump be connected to first main pipe, export pass through the supplying valve and The second main pipe connection;The shut-off valve is arranged on first main pipe, and the outlet of the first circulation pump is located at described The first end in the inlet side of shut-off valve, the import of the second circulation pump and all indoor second medium channels is respectively positioned on institute State the outlet side of shut-off valve.
2. multi-mode water ring multi-online air-conditioning system according to claim 1, which is characterized in that each air-conditioner set Further include and one-to-one first valve of the indoor heat exchanger, one end of first valve and corresponding described indoor The first end in second medium channel is connected to, and the other end of first valve is connected by first main pipe and first circulation pump It is logical.
3. multi-mode water ring multi-online air-conditioning system according to claim 1, which is characterized in that the air-conditioner set also wraps Outdoor heat exchanger is included, the outdoor heat exchanger is that three media with outdoor first medium channel and outdoor second medium channel change Hot device, the outdoor first medium channel, the outdoor second medium channel and outside air are able to carry out heat exchange between any two; The outdoor first medium channel belongs to a part of the refrigerant circulation circuit of the air-conditioner set where it;Described outdoor The one end in second medium channel is by the way that the second valve is connected to first main pipe, the other end is connected to second main pipe.
4. multi-mode water ring multi-online air-conditioning system according to claim 1, which is characterized in that the air-conditioner set also wraps Include outdoor heat exchanger, compressor, four-way reversing valve and throttling set, the outdoor heat exchanger, compressor, four-way reversing valve, section Stream device and indoor heat exchanger collectively form the refrigerant circulation circuit of the air-conditioner set.
5. multi-mode water ring multi-online air-conditioning system according to claim 4, which is characterized in that the throttling set includes Outdoor throttling set and multiple indoor throttling sets correspondingly with the indoor heat exchanger;All described indoor first are situated between The one end in matter channel is filled by the corresponding indoor throttling with the connection of the first end of the four-way reversing valve, the other end respectively It sets and is connected to the first end of the outdoor throttling set;It is described outdoor throttling set second end by the outdoor heat exchanger with The second end of the four-way reversing valve is connected to;The third end and the 4th end of the four-way reversing valve respectively with the compressor Import and export connection.
6. multi-mode water ring multi-online air-conditioning system according to claim 5, which is characterized in that the air-conditioner set also wraps Include oil eliminator, gas-liquid separator, aftercooler and intermediate throttling set;All indoor throttling sets pass through it is described again The high temperature side of cooler is connected to the outdoor throttling set;One end of the low temperature side of the aftercooler passes sequentially through in described Between throttling set and the outdoor throttling set be connected to the outdoor heat exchanger, the other end of the low temperature side of the aftercooler Inlet communication with the third end of the four-way reversing valve with the gas-liquid separator;The outlet of the gas-liquid separator passes through The inlet communication of the compressor and the oil eliminator;The gas outlet of the oil eliminator and the 4th of the four-way reversing valve The oil outlet of end connection, the oil eliminator is connected to by capillary with the air entry of the compressor.
7. multi-mode water ring multi-online air-conditioning system according to any one of claims 1 to 6, which is characterized in that it is described from Right energy resource collecting device includes ground source acquisition device.
8. multi-mode water ring multi-online air-conditioning system according to claim 7, which is characterized in that the natural energy resources acquisition Device further includes at least one of solar energy heat collector, cooling tower, high-temperature-hot-water net.
9. multi-mode water ring multi-online air-conditioning system according to any one of claims 1 to 6, which is characterized in that it is described from Right energy resource collecting device includes solar energy heat collector and cooling tower.
10. multi-mode water ring multi-online air-conditioning system according to claim 9, which is characterized in that the natural energy resources are adopted Acquisition means further include high-temperature-hot-water net.
CN201910367562.2A 2019-05-05 2019-05-05 A kind of multi-mode water ring multi-online air-conditioning system Pending CN110160171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910367562.2A CN110160171A (en) 2019-05-05 2019-05-05 A kind of multi-mode water ring multi-online air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910367562.2A CN110160171A (en) 2019-05-05 2019-05-05 A kind of multi-mode water ring multi-online air-conditioning system

Publications (1)

Publication Number Publication Date
CN110160171A true CN110160171A (en) 2019-08-23

Family

ID=67633391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910367562.2A Pending CN110160171A (en) 2019-05-05 2019-05-05 A kind of multi-mode water ring multi-online air-conditioning system

Country Status (1)

Country Link
CN (1) CN110160171A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113483412A (en) * 2021-06-21 2021-10-08 清华大学 Multi-mode water-fluorine multi-split air conditioner system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113483412A (en) * 2021-06-21 2021-10-08 清华大学 Multi-mode water-fluorine multi-split air conditioner system
CN113483412B (en) * 2021-06-21 2022-04-15 清华大学 Multi-mode water-fluorine multi-split air conditioner system

Similar Documents

Publication Publication Date Title
CN103175344B (en) Cold-region used multi-connected heat pump system and control method thereof
CN101713599B (en) Air-conditioning heat pump device
CN201885478U (en) Low temperature type air source heat pump unit
CN205678804U (en) A kind of cooling by wind with natural cooling function and air-conditioner
CN201306902Y (en) Air conditioner with heat-recovery type heat pump and refrigerator integrated machine
CN102620463B (en) Novel low-temperature strong-heating multi-split system
CN102032705B (en) Two-stage compression heat pump system
CN102645060A (en) Multi-split air conditioning system
CN101140122A (en) Heat pump machine group of combined throttling set
CN108759210B (en) Defrosting system based on air source heat pump
CN109341138B (en) Combined air conditioning system of machine room and hot water system and control method thereof
CN206018879U (en) Heat pump and on-board air conditioner
CN106225280A (en) A kind of refrigeration or heat pump and a kind of Condensing units
CN110779080B (en) Continuous heating heat recovery air conditioner outdoor system, heat recovery air conditioner and using method thereof
CN102620362B (en) Low-temperature strong-heating multi-split system
CN102753916B (en) Air-conditioning hot-water-supply system
CN109357427B (en) Combined air conditioning system for machine room and hot water system and control method thereof
CN110160171A (en) A kind of multi-mode water ring multi-online air-conditioning system
CN101487643A (en) Ultra-low temperature heat pump air conditioning system
CN201100796Y (en) Thermal pump unit of combined flow saving device
CN210267538U (en) Multi-mode water ring multi-split air conditioning system
CN106524591A (en) Handpiece phase change heat storage defrosting type low-temperature air source heat pump unit
CN201072264Y (en) Integral heat reclamation type headwaters heat pump
CN109340960B (en) Combined air conditioning system of machine room and control method thereof
CN110160178A (en) Heat pump air conditioning system based on natural energy resources

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination