CN110160179A - Heat pump air conditioning system - Google Patents
Heat pump air conditioning system Download PDFInfo
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- CN110160179A CN110160179A CN201910367849.5A CN201910367849A CN110160179A CN 110160179 A CN110160179 A CN 110160179A CN 201910367849 A CN201910367849 A CN 201910367849A CN 110160179 A CN110160179 A CN 110160179A
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- conditioner set
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims description 15
- 238000010257 thawing Methods 0.000 abstract description 15
- 238000004904 shortening Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007616 round robin method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to air-conditioning technical fields, provide a kind of heat pump air conditioning system.The system includes first circulation pump, first main pipe, second main pipe and multiple air-conditioner sets, the indoor heat exchanger of each air-conditioner set is three media heat exchangers with indoor first medium channel and indoor second medium channel, indoor first medium channel, indoor second medium channel and outside air are able to carry out heat exchange between any two, indoor first medium channel belongs to a part of the refrigerant circulation circuit of the air-conditioner set where it, the first end in all interior second medium channels is connected to the first main pipe, second end is connected to the second main pipe, form shunt circuit, first circulation is pumped for driving the heat transferring medium in shunt circuit to recycle.The configuration of the present invention is simple, operation are convenient, can not only substantially reduce indoor heat exchanger is absorbed from room air during defrosting heat, shortening defrosting time, the indoor comfort level of raising, but also the reliability of heat-supply system of each air-conditioner set can be improved.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of heat pump air conditioning systems.
Background technique
Currently, the form of minitype air conditioner is usually the one-to-one split air conditioner of driven compressor, phase transformation refrigerant and air heat-exchange
Dragged with one the more online, winter air-conditioning unit from outdoor air takes heat and to indoor heating, and summer air-conditioning unit is to outdoor air
Heat release and to indoor cooling supply, is converted to high-grade thermal energy for low-grade thermal energy with lower energy consumption, is widely used in each
A place.
Although existing small-sized split-type air conditioner has many advantages, such as that energy saving, safe, small in size, the service life is long, there are still many
Problem: 1, defrosting causes comfort level to reduce: in high humility, compared with the outdoor heat exchanger easily frosting of cryogenic region winter air-conditioning, and showing
The Defrost mode for having air-conditioner set is mainly refrigerant against round-robin method and hot-gas bypass method；Wherein, refrigerant is being removed against round-robin method
It needs for air-conditioning to be switched to refrigeration mode when white, air-conditioning not only stops to indoor continuation heat supply at this time, but also will be from indoor suction
It receives heat to defrost, this mode leads to room temperature rapid drawdown, seriously affects indoor comfort degree；Although hot-gas bypass method is not required to
Indoor heat is absorbed, but defrosting time is but very long, and room temperature is easy to cause to decline by a relatively large margin.2, You Duotai air-conditioning
The multicomputer system cost that unit is simply installed side by side is high, and the design capacity of every air-conditioning is generally bigger than normal, negative with practical cold heat
Lotus total amount mismatches, and unnecessary unit capacity is caused to waste.3, reliability is low: every air-conditioner set is usually independent fortune at present
Row not can guarantee once the failure of certain air-conditioner sets will lead to corresponding room cold heat supply.
Three media heat exchangers are a kind of heat exchangers that three kinds of media may be implemented and synchronize heat exchange two-by-two, substitute two lists with it
Only heat exchanger, it is possible to reduce heat exchanger and solenoid valve quantity reduce system complexity and reliability hidden danger.Chinese patent application
201821519297.2 disclose a kind of heat exchanger, and the direct without hindrance high efficient heat exchanging of three kinds of media between any two may be implemented,
Three media heat exchangers of the structure type are innovative design, raising Properties of Air-conditioning Unit is laid a good foundation.
Summary of the invention
The present invention is to solve comfort level is low when existing air-conditioner defrosting, waste of capacity, the skill low with reliability at high cost
Art problem.
To solve the above problems, the system includes first circulation pump, first the present invention provides a kind of heat pump air conditioning system
Main pipe, the second main pipe and multiple air-conditioner sets, the indoor heat exchanger of each air-conditioner set are to have indoor first medium
Three media heat exchangers in channel and indoor second medium channel, the interior first medium channel, the indoor second medium are logical
Road and outside air are able to carry out heat exchange between any two；The interior first medium channel belongs to the air-conditioner set where it
Refrigerant circulation circuit a part；The first end in all indoor second medium channels is connected to first main pipe,
Second end is connected to second main pipe, forms shunt circuit；The first circulation pump is for driving in the shunt circuit
Heat transferring medium circulation.
Wherein, first main pipe for being connected to multiple air-conditioner set indoor heat exchangers or the is arranged in first circulation pump
On two main pipes.
Wherein, the first end in the indoor second medium channel of at least one air-conditioner set is located at first circulation pump
Inlet side, the first end in the indoor second medium channel of at least one air-conditioner set be located at the first circulation pump go out
Mouth side.
Wherein, the air-conditioner set further includes the first valve, and it is logical that first valve is connected on the indoor second medium
Between the first end in road and first main pipe, the first end of first valve and the indoor second medium of the air-conditioner set
The first end in channel is connected to.
Wherein, the air-conditioner set further includes the second valve, first end and the air-conditioner set of second valve
The first end in indoor second medium channel is connected to, the second end of first valve of the same air-conditioner set and described the
The second end of two valves is connected respectively in first circulation pump inlet side and outlet side.
Wherein, the both ends of the first circulation pump are connected to first main pipe and second main pipe respectively, constitute room
Interior circulation loop.
It wherein, further include energy storage tank, the energy storage tank and the first circulation series connection of pumps are arranged in the indoor circulation time
On the road, the first interface of the energy storage tank is connected to the inlet side that the first circulation pumps, the outlet side of the first circulation pump
It is connected to first main pipe, the second interface of the energy storage tank is connected to second main pipe.
Wherein, the air-conditioner set further includes outdoor heat exchanger and second circulation pump, and the outdoor heat exchanger has outdoor
First medium channel and outdoor second medium channel, the outdoor first medium channel, the outdoor second medium channel and outer
Portion's air is able to carry out heat exchange between any two；The outdoor first medium channel belongs to the refrigerant of the air-conditioner set where it
A part of circulation loop；The indoor second medium is connected in parallel on behind the outdoor second medium channel and second circulation series connection of pumps
The both ends in channel.
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, blower is equipped on the indoor heat exchanger and the outdoor heat exchanger.
The configuration of the present invention is simple, operation it is convenient, by air-conditioner set using can be realized indoor first medium channel,
Three media heat exchangers of indoor second medium channel and outside air two-by-two without barrier high efficient heat exchanging, and by each air-conditioner set
Indoor second medium channel is interconnected, and can not only utilize what is recycled in connected loop when part air-conditioner set needs to defrost
High temperature heat transferring medium as the heat source reversely to defrost, and can also when part air-conditioner set refrigerant circuit breaks down, benefit
With the high temperature heat transferring medium recycled in connected loop to indoor continuation heat release.As it can be seen that the present invention not only substantially can reduce or keep away
Indoor heat exchanger absorbs heat from room air, quickly defrosting, improves indoor comfort degree during exempting frost, and can also mention
The reliability of heat-supply system of high each air-conditioner set；Turn additionally, due between each air-conditioner set heat can be carried out by connected loop
It moves, therefore the design capacity of each air-conditioner set is without excessive, and then cost can not only be reduced, also contribute to each air-conditioning
Unit improves 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 to be briefly described, 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 the embodiment of the present invention 1 heat pump air conditioning system；
Fig. 2 is the structural schematic diagram of one of the embodiment of the present invention 1 air-conditioner set；
Fig. 3 is the third air-conditioner set defrosting or circuit cycle of heat pump air conditioning system is shown when failure in the embodiment of the present invention 1
It is intended to；
Fig. 4 be in the embodiment of the present invention 1 defrosting of third air-conditioner set or when failure heat pump air conditioning system another structure
Schematic diagram；
Fig. 5 be in the embodiment of the present invention 2 defrosting of third air-conditioner set or when failure heat pump air conditioning system circuit cycle
Schematic diagram；
Fig. 6 be in the embodiment of the present invention 2 defrosting of first air-conditioner set or when failure heat pump air conditioning system circuit cycle
Schematic diagram；
Fig. 7 is the structural schematic diagram of another heat pump air conditioning system in the embodiment of the present invention 2；
Fig. 8 is the structural schematic diagram of one of the embodiment of the present invention 3 heat pump air conditioning system；
Fig. 9 is the structural schematic diagram of another heat pump air conditioning system in the embodiment of the present invention 3；
Figure 10 is the structural schematic diagram of one of the embodiment of the present invention 4 air-conditioner set.
Appended drawing reference:
1, air-conditioner set；1.1, indoor heat exchanger；1.2, outdoor heat exchanger；
1.3, compressor；1.4, throttling set；1.5, four-way reversing valve；
2, first circulation pumps；3, the first valve；4, the first main pipe；5, the second main pipe；
6, second circulation pumps；7, the second valve；8, energy storage tank；
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；
A, the first air-conditioner set；B, the second air-conditioner set；C, third air-conditioner set；
D, N air-conditioner set.
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.
Embodiment 1
Referring to figs. 1 and 2, a kind of heat pump air conditioning system is present embodiments provided, which includes first circulation pump
2, the first main pipe 4, the second main pipe 5 and multiple air-conditioner sets 1, the indoor heat exchanger 1.1 of each air-conditioner set 1 are to have interior
Three media heat exchangers of first medium channel 1.1.1 and indoor second medium channel 1.1.2, indoor first medium channel 1.1.1,
Indoor second medium channel 1.1.2 and outside air are able to carry out heat exchange between any two；Indoor first medium channel 1.1.1 belongs to
A part of the refrigerant circulation circuit of air-conditioner set 1 where it；The first end of all interior second medium channel 1.1.2 with
The connection of first main pipe 4, second end are connected to the second main pipe 5, form shunt circuit；2 setting of first circulation pump is multiple in connection
On the first main pipe 4 or the second main pipe 5 of 1 indoor heat exchanger 1.1 of air-conditioner set, for driving the heat transferring medium in shunt circuit to follow
Ring.Further, air-conditioner set 1 further includes outdoor heat exchanger 1.2, compressor 1.3, four-way reversing valve 1.5 and throttling set
1.4, outdoor heat exchanger 1.2, compressor 1.3, four-way reversing valve 1.5, throttling set 1.4 and indoor heat exchanger 1.1 collectively form
The refrigerant circulation circuit of air-conditioner set 1；Blower is equipped on indoor heat exchanger 1.1 and outdoor heat exchanger 1.2.
Preferably, the first end of the indoor second medium channel 1.1.2 of at least one air-conditioner set 1 is located at first circulation pump
2 inlet side, the first end of the indoor second medium channel 1.1.2 of at least one air-conditioner set 1 are located at going out for first circulation pump 2
Mouth side.
When all air-conditioner sets 1 can be operated normally independently, first circulation pump 2 is in run-stopping status, this shape
Under state, for any one air-conditioner set 1: when air-conditioner set is in heat supply mode, flowing through the system of outdoor heat exchanger 1.2
The heat that cryogen absorbs outdoor air flows into indoor first medium channel 1.1.1 after 1.3 increasing temperature and pressure of compressor.It enters the room
The refrigerant of first medium channel 1.1.1 then constantly transfers heat to room air by way of thermally conductive, convection current and radiation
And the heat transferring medium in indoor second medium channel 1.1.2, after heat release cooling refrigerant after the throttling of throttling set 1.4 again
The heat absorption of outdoor heat exchanger 1.2 can be back flowed back into, it is seen then that when air-conditioner set is in heat supply mode, indoor second medium channel
1.1.2 interior heat transferring medium is heated simultaneously.When air-conditioner set is in cooling mode, the refrigerant of outdoor heat exchanger 1.2 is flowed into
Indoor first medium channel 1.1.1 is flowed into after the throttling of throttling set 1.4 after rejecting heat to outdoor air.It enters the room
The refrigerant of first medium channel 1.1.1 is then from room air and indoor the constantly by way of thermally conductive, convection current and radiation
Heat transferring medium in the 1.1.2 of second medium channel absorbs heat, and the refrigerant after heat absorption heating passes through after 1.3 increasing temperature and pressure of compressor
Outdoor heat exchanger 1.2 can be back flowed back into again carries out heat release, it is seen then that when air-conditioner set is in cooling mode, indoor second medium
Heat transferring medium is freezed simultaneously in the 1.1.2 of channel.
When part air-conditioner set 1 needs to defrost, remaining air-conditioner set 1 operates normally: air-conditioner set 1 to be defrosted is cut
It shifts to refrigeration mode while starting first circulation pump 2, the high temperature heat transferring medium in circuit is recycled to air conditioner to be defrosted first
In the indoor second medium channel 1.1.2 of group 1, as the heat source heat release reversely to defrost, the then remaining air-conditioning through operating normally
The indoor second medium channel 1.1.2 of unit 1 absorbs heat and forms circulation, outdoor heat exchanger 1.2 by 2 driving of first circulation pump
Heat needed for defrosting from the high temperature heat transferring medium for flowing through indoor second medium channel 1.1.2 rather than room air, inhale
Refrigerant after heat flows into the progress heat release defrosting of outdoor heat exchanger 1.2 after then passing through 1.3 increasing temperature and pressure of compressor.
When part air-conditioner set 1 breaks down, remaining air-conditioner set 1 operates normally, then first circulation pump is directly initiated
2, the heat transferring medium in connected loop forms circulation, second medium in failed air-conditioner set Room 1 by 2 driving of first circulation pump
Heat (or cooling capacity) is then constantly released to room air by the heat transferring medium in the 1.1.2 of channel, at this time indoor second medium channel
1.1.2 it is equivalent to and substitutes its first medium channel 1.1.1 to indoor heat release (or refrigeration).
As it can be seen that the system structure is simple, operation is convenient, first Jie of interior can be realized by using in air-conditioner set 1
Without hindrance blocking connects the indoor heat exchanger 1.1 of heat exchange two-by-two for matter channel 1.1.1, interior second medium channel 1.1.2 and outside air,
And the indoor second medium channel 1.1.2 of each air-conditioner set 1 is interconnected, it can not only need to remove in part air-conditioner set 1
When white, using the high temperature heat transferring medium recycled in connected loop as the heat source reversely to defrost, and can also be in part air conditioner
1 refrigerant circuit of group is when breaking down, using the heat transferring medium recycled in connected loop directly to indoor continuation heat release (or system
It is cold).As it can be seen that the system not only can substantially reduce or indoor heat exchanger 1.1 during defrosting is avoided to absorb from room air
Heat quickly defrosting, improves indoor comfort degree, and can also improve the reliability of heat-supply system of each air-conditioner set；Additionally, due to each
Heat transfer can be carried out by connected loop between a air-conditioner set 1, therefore the design capacity of each air-conditioner set 1 was not necessarily to
Greatly, and then cost can not only be reduced, also contributes to each air-conditioner set 1 and improves operation effect by High Load Rate operation
Rate.
As shown in Figure 3 and Figure 4, in order to further increase efficiency, the loss of heat quality caused by cold and hot mixing is reduced, to hair
Raw failure or the air-conditioner set for needing to defrost carry out specific aim heat supply (or cooling supply), and air-conditioner set 1 further includes the first valve 3, the
The first end of one valve 3 is connected to the first end of the indoor second medium channel 1.1.2 of air-conditioner set 1, at least an air conditioner
The second end of 1 first valve 3 of group is connected to the inlet side of first circulation pump 2, the second end of remaining 1 first valve 3 of air-conditioner set
It is connected to the outlet side of first circulation pump 2.
The operation method of the system is illustrated by taking Fig. 3, Fig. 4 as an example below, for ease of description, now by Fig. 3, Fig. 4
In air-conditioner set 1 to be successively known as the first air-conditioner set A, the second air-conditioner set B, third air-conditioner set C and N from left to right empty
Adjust unit D.
By taking Fig. 3 as an example, when third air-conditioner set C breaks down: opening and concatenated first valve of third air-conditioner set C
3 and with concatenated first valve 3 of the first air-conditioner set A, keep remaining first valve 3 close and start first circulation pump 2.
At this point, as indicated by the arrows in fig. 3, heat transferring medium through the indoor heat exchanger 1.1 of the first air-conditioner set A promoted grade (heating or
Refrigeration) after, pass sequentially through with concatenated first valve 3 of the first air-conditioner set A, first circulation pump 2 and with third air-conditioner set C
The indoor second medium channel 1.1.2 that third air-conditioner set C is flowed into after concatenated first valve 3, into the interior second medium
Cold and hot amount is then constantly released to room air by the high-grade heat transferring medium of channel 1.1.2, flows into the interior second medium at this time
High-grade heat transferring medium in the 1.1.2 of channel is directly to indoor heat release or refrigeration.
By taking Fig. 4 as an example, when third air-conditioner set C breaks down: opening and concatenated first valve of third air-conditioner set C
3 and with concatenated first valve 3 of the second air-conditioner set B, keep remaining first valve 3 close and start first circulation pump 2.
At this point, as shown by the arrows in figure 4, heat transferring medium promotes grade (heating or system through the second air-conditioner set B indoor heat exchanger 1.1
It is cold) after, it passes sequentially through with concatenated first valve 3 of the second air-conditioner set B, first circulation pump 2 and is gone here and there with third air-conditioner set C
The indoor second medium channel 1.1.2 of third air-conditioner set C is flowed into after first valve 3 of connection, it is logical into the interior second medium
Cold and hot amount is then constantly released to room air by the high-grade heat transferring medium of road 1.1.2, and it is logical to flow into the interior second medium at this time
High-grade heat transferring medium in road 1.1.2 is directly to indoor heat release or refrigeration.Certainly, it when third air-conditioner set C breaks down, removes
It can individually open and other than concatenated first valve 3 of the second air-conditioner set B, can also individually or simultaneously open and first is empty
Adjust concatenated first valve 3 of unit A.
It should be noted that when third air-conditioner set C needs to defrost, in addition to needing the first air-conditioner set A, the second sky
Adjust B of Unit selects one or switches to heating mode simultaneously, third air-conditioner set C is switched to other than refrigeration mode, other steps with it is upper
It is similar to state process, details are not described herein again.
Embodiment 2
As shown in Figures 5 to 7, the structure with principle of heat pump air conditioning system are same as Example 1 in the present embodiment, this implementation
Example repeats no more.
The difference is that air-conditioner set 1 further includes the second valve 7, the first end and sky of the second valve 7 in the present embodiment
Adjust the first end connection of the indoor second medium channel 1.1.2 of unit 1, the second end of the first valve 3 of same air-conditioner set 1
It is connected respectively with the second end of the second valve 7 and pumps 2 outlet sides and inlet side in first circulation.
As shown in Figure 5, Figure 6, below by taking two of them air-conditioner set is equipped with the second valve 7 as an example, to the heat pump air conditioner
The operation method of system is illustrated.For ease of description, it is empty that the air-conditioner set 1 in Fig. 5 is successively known as to first from left to right
Adjust unit A, the second air-conditioner set B, third air-conditioner set C and N air-conditioner set D.
As shown in figure 5, the air-conditioner set 1 when not set second valve 7 breaks down, such as third air-conditioner set C occurs
When failure: opening and concatenated first valve 3 of third air-conditioner set C and the first air-conditioner set A and/or the second air-conditioner set B
On the second valve 7, keep remaining first valve 3 and the second valve 7 to close, starting first circulation pump 2.Specifically, if only
Open the second valve 7 on the first air-conditioner set A, then at this time except second valve 7 and with third air-conditioner set C concatenated the
Other than one valve 3, remaining other valve is in closed state, at this time the indoor second medium channel of the first air-conditioner set A
1.1.2, the second valve 7 on the first air-conditioner set A, first circulation pump 2, with concatenated first valve 3 of third air-conditioner set C with
And the indoor second medium channel 1.1.2 head and the tail of third air-conditioner set C are sequentially communicated composition circulation loop.Start first circulation pump
After 2, as illustrated by arrows 5, heat transferring medium promotes grade (heating or system through the indoor heat exchanger 1.1 of the first air-conditioner set A
It is cold) after, pass sequentially through the second valve 7 on the first air-conditioner set A, first circulation pump 2 and concatenated with third air-conditioner set C
The indoor second medium channel 1.1.2 of third air-conditioner set C is flowed into after first valve 3；Into indoor the of third air-conditioner set C
Cold and hot amount is then constantly released to room air by the high-grade heat transferring medium of second medium channel 1.1.2, flows into the interior at this time
The high-grade heat transferring medium of second medium channel 1.1.2 is directly to indoor heat release or refrigeration.
It should be noted that when third air-conditioner set C needs to defrost, in addition to needing to switch to the first air-conditioner set A
Heating mode, third air-conditioner set C are switched to other than refrigeration mode, other steps are similar with the above process, and details are not described herein again.
As shown in fig. 6, when the air-conditioner set 1 equipped with the second valve 7 breaks down, such as event occurs for the first air-conditioner set A
When barrier: closing the second valve 7 on the first air-conditioner set A, and open and concatenated first valve 3 of the first air-conditioner set A and the
The second valve 7 on two air-conditioner set B keeps remaining first valve 3 to close, starting first circulation pump 2.At this point, second is empty
Adjust the second valve 7, the first circulation pump 2 and first on indoor second medium channel 1.1.2, the second air-conditioner set B of B of Unit
The indoor second medium channel 1.1.2 of concatenated first valve 3 of air-conditioner set A and the first air-conditioner set A head and the tail are sequentially communicated
Constitute circulation loop.Thus after starting first circulation pump 2, as indicated by the arrows in fig. 6, heat transferring medium is through the second air-conditioner set B
Indoor heat exchanger 1.1 promote grade (heating or refrigeration) after, pass sequentially through the second valve 7, first on the second air-conditioner set B
Circulating pump 2 and logical with the indoor second medium that flows into the first air-conditioner set A after concatenated first valve 3 of the first air-conditioner set A
Road 1.1.2.High-grade heat transferring medium into the indoor second medium channel 1.1.2 of the first air-conditioner set A then constantly will be cold and hot
Amount is released to room air, and the high-grade heat transferring medium for flowing into interior second medium channel 1.1.2 at this time is directly put to interior
Heat or refrigeration.
It should be noted that when the first air-conditioner set A needs to defrost, in addition to needing to switch to the second air-conditioner set B
Heating mode, the first air-conditioner set A are switched to other than refrigeration mode, other steps are similar with the above process, and details are not described herein again.
As shown in fig. 7, below for being equipped with the second valve 7 on all air-conditioner sets, to the heat pump air conditioning system
Operation method is illustrated.
When part air-conditioner set 1 breaks down: close the second valve 7 on failed air-conditioner set 1, open it is late
First valve 3 of the air-conditioner set 1 of barrier, and open remaining normal operation at least one air-conditioner set 1 the second valve 7,
Remaining first valve 3 is kept to close, starting first circulation pump 2.
When part air-conditioner set 1 needs to defrost: closing the second valve 7 connecting with air-conditioner set 1 to be defrosted, open
First valve 3 of air-conditioner set 1 to be defrosted, and open the second valve of at least one air-conditioner set 1 of remaining normal operation
Door 7 keeps remaining first valve 3 to close, starting first circulation pump 2, and makes the sky for having opened the normal operation of the second valve 7
Unit 1 is in heating mode to tune, air-conditioner set 1 to be defrosted switches to refrigeration mode.
In heat pump air conditioning system as shown in Figs. 5 to 7, by controlling the opening and closing of each first valve 3 and the second valve 7 just
After can guarantee 2 starting of first circulation pump, heat transferring medium is only through having opened the room of the air-conditioner set 1 of the normal operation of the second valve 7
After interior heat exchanger 1.1 promotes grade (heating or refrigeration), only it is pumped in failed or to be defrosted air-conditioner set 1 and recycles,
Without flowing into other air-conditioner sets 1 independently operated normally, and then it just can avoid heat caused by cold and hot mixing occur in circuit
It can grade loss.
Embodiment 3
As shown in figure 8, the structure with principle of heat pump air conditioning system are same as Example 1 in the present embodiment, the present embodiment is not
It repeats again.
The difference is that the both ends of first circulation pump 2 connect with the first main pipe 4 and the second main pipe 5 respectively in the present embodiment
It is logical, constitute indoor circulation circuit.
Further, as shown in figure 9, the heat pump air conditioning system further includes energy storage tank 8,2 string of energy storage tank 8 and first circulation pump
Connection setting is indoors on circulation loop, and the first interface of energy storage tank 8 is connected to the inlet side of first circulation pump 2, first circulation pump 2
Outlet side be connected to the first main pipe 4, the second interface of energy storage tank 8 is connected to the second main pipe 5.
As a result, when most or all of air-conditioner set 1 operates normally, which just will simultaneously using energy storage tank 8
Extra cold and hot amount stores, in case use when defrosting or 1 failure of air-conditioner set in connection circuit, and then is just significantly reduced mixed
Water loss.It should be noted that the size of energy storage tank 8 can be arranged according to actual needs, without excessive.
Embodiment 4
The structure of heat pump air conditioning system is identical as principle as embodiment 1 to 3 in the present embodiment, and this embodiment is not repeated.
The difference is that, it is contemplated that such as storeroom may there is still a need for confessions for part indoor spaces when conditioning in Transition Season and winter
Cold, as shown in Figure 10, air-conditioner set 1 further includes outdoor heat exchanger 1.2 and second circulation pump 6, outdoor heat exchanger in the present embodiment
1.2 be three media heat exchangers with outdoor first medium channel 1.2.1 and outdoor second medium channel 1.2.2, outdoor first
Medium channel 1.2.1, outdoor second medium channel 1.2.2 and outside air are able to carry out heat exchange between any two；Outdoor first is situated between
Matter channel 1.2.1 belongs to a part of the refrigerant circulation circuit of the air-conditioner set 1 where it；Outdoor second medium channel 1.2.2
The both ends of parallel connection second medium channel 1.1.2 indoors after connect with second circulation pump 6.
When outdoor temperature it is lower, it is indoor need cooling supply when, close the compressor of the air-conditioner set 1, and start second circulation
Pump 6.The heat transferring medium of outdoor second medium channel 1.2.2 is flowed through at this time by after the cooling of outdoor Cryogenic air, passes through second circulation
Pump 6 is pumped to indoor second medium channel 1.1.2, and cooling capacity is released to after room air and flows into outdoor second medium channel
1.2.2 it recycles again.The mode directly utilizes natural cooling source, energy-efficient.
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 heat pump air conditioning system, including first circulation pump, the first main pipe, the second main pipe and multiple air-conditioner sets, feature
It is, the indoor heat exchanger of each air-conditioner set is to have indoor first medium channel and indoor second medium channel
Three media heat exchangers, the interior first medium channel, the indoor second medium channel and outside air between any two can
It exchanging heat, the interior first medium channel belongs to a part of the refrigerant circulation circuit of the air-conditioner set where it,
The first end in all indoor second medium channels is connected to first main pipe, second end connects with second main pipe
It is logical, shunt circuit is formed, the first circulation pump is for driving the heat transferring medium in the shunt circuit to recycle.
2. heat pump air conditioning system according to claim 1, which is characterized in that the first circulation pump setting is multiple in connection
On first main pipe of air-conditioner set indoor heat exchanger or the second main pipe.
3. heat pump air conditioning system according to claim 2, which is characterized in that indoor the of at least one air-conditioner set
The first end in second medium channel is located at the inlet side of first circulation pump, and the interior second of at least one air-conditioner set is situated between
The first end in matter channel is located at the outlet side of first circulation pump.
4. heat pump air conditioning system according to claim 1, which is characterized in that the air-conditioner set further includes the first valve,
First valve is connected between the first end and first main pipe in the indoor second medium channel, first valve
First end be connected to the first end in the indoor second medium channel of the air-conditioner set.
5. heat pump air conditioning system according to claim 4, which is characterized in that the air-conditioner set further includes the second valve,
The first end of second valve is connected to the first end in the indoor second medium channel of the air-conditioner set, the same sky
The second end of first valve and the second end of second valve for adjusting unit are connected respectively in the first circulation
Pump inlet side and outlet side.
6. heat pump air conditioning system according to claim 1, which is characterized in that the both ends of first circulation pump respectively with institute
It states the first main pipe to be connected to second main pipe, constitutes indoor circulation circuit.
7. heat pump air conditioning system according to claim 6, which is characterized in that it further include energy storage tank, the energy storage tank and institute
It states first circulation series connection of pumps to be arranged on the indoor circulation circuit, the first interface of the energy storage tank and the first circulation pump
Inlet side connection, the outlet side of first circulation pump is connected to first main pipe, the second interface of the energy storage tank and
The second main pipe connection.
8. heat pump air conditioning system according to claim 1, which is characterized in that the air-conditioner set further includes outdoor heat exchanger
It being pumped with second circulation, the outdoor heat exchanger has an outdoor first medium channel and outdoor second medium channel, and described outdoor the
One medium channel, the outdoor second medium channel and outside air are able to carry out heat exchange between any two, and described outdoor first is situated between
Matter channel belongs to a part of the refrigerant circulation circuit of the air-conditioner set where it, the outdoor second medium channel and the
The both ends in the indoor second medium channel are connected in parallel on after two circulation series connections of pumps.
9. heat pump air conditioning system according to claim 1, which is characterized in that the air-conditioner set further includes outdoor heat exchange
Device, compressor, four-way reversing valve and throttling set, the outdoor heat exchanger, compressor, four-way reversing valve, throttling set and room
Interior heat exchanger collectively forms the refrigerant circulation circuit of the air-conditioner set.
10. heat pump air conditioning system according to claim 9, which is characterized in that the indoor heat exchanger and the outdoor are changed
Blower is equipped on hot device.
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| CN114484750A (en) * | 2022-01-28 | 2022-05-13 | 青岛海尔空调电子有限公司 | Control method and device for air conditioning system, air conditioning system and storage medium |
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| CN114893900A (en) * | 2022-04-13 | 2022-08-12 | 青岛海信电子设备股份有限公司 | Air conditioner |
| CN114909713A (en) * | 2022-04-18 | 2022-08-16 | 青岛海尔空调电子有限公司 | Air conditioning system, control method and device thereof and storage medium |
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| CN110160179B (en) | 2024-01-23 |
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