CN206160545U - Heating and cooling air conditioner - Google Patents
Heating and cooling air conditioner Download PDFInfo
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- CN206160545U CN206160545U CN201621099886.0U CN201621099886U CN206160545U CN 206160545 U CN206160545 U CN 206160545U CN 201621099886 U CN201621099886 U CN 201621099886U CN 206160545 U CN206160545 U CN 206160545U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/001—Compression machines, plants or systems with reversible cycle not otherwise provided for with two or more accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a heating and cooling air conditioner. Heating and cooling air conditioner includes: double -cylinder compressor, double -cylinder compressor include first cylinder and second cylinder, and the value range of the volume ratio of first cylinder and second cylinder is 1~20, switching -over subassembly, switching -over subassembly include exhaust valve port, first outdoor connection valve port, the outdoor connection valve port of second, first indoor connection valve port, the indoor connection valve port of second, first breathe in valve port and the second valve port of breathing in, an outdoor heat exchanger. Indoor heat exchanger subassembly, indoor heat exchanger subassembly include the indoor heat transfer part of first indoor heat transfer subtotal second, and the both ends of first indoor heat transfer part link to each other with the first indoor second end of being connected valve port and heat exchange flow path respectively, and the both ends of the indoor heat transfer of second part link to each other with the indoor second end of being connected valve port and heat exchange flow path of second respectively. The utility model discloses a heating and cooling air conditioner's efficiency level can be optimized to the air conditioner, and is energy -conserving effectual.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly, to a kind of cold-warm type air-conditioning that can lift air-conditioning efficiency
Device.
Background technology
Usually, in refrigeration, the cold-producing medium after the throttling of warp knuckle fluid element is entered directly in indoor heat exchanger air-conditioner
Exchanged heat, due to being mixed with a part of gaseous refrigerant, the gaseous state system entered in indoor heat exchanger in the cold-producing medium after throttling
Cryogen not only affects the heat transfer effect of indoor heat exchanger, also results in the compression power consumption increase of compressor, the Energy Efficiency Ratio of compressor
Reduce, so as to have influence on the efficiency level of air-conditioner.
Utility model content
The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
With a kind of heating and air conditioner of new proposition, the heat transfer effect of indoor heat exchanger component can be not only improved, and twin-tub can be improved
The Energy Efficiency Ratio of compressor, reduces the power consumption of duplex cylinder compressor, optimizes the efficiency level of heating and air conditioner, good energy-conserving effect.
According to the heating and air conditioner of the utility model embodiment, including：Duplex cylinder compressor, the duplex cylinder compressor includes
Housing, the first cylinder and the second cylinder, the housing is provided with exhaust outlet, the first air entry and the second air entry, and described first
Cylinder and second cylinder are respectively provided in the housing, and the air intake passage of first cylinder connects with first air entry
Logical, the air intake passage of second cylinder is connected with second air entry, the appearance of first cylinder and second cylinder
The span of product ratio is 1～20；Commutation component, the commutation component include exhaust valve port, the first outdoor connection valve port, the
Two outdoor connection valve ports, the first indoor connection valve port, the second indoor connection valve mouth, the first air-breathing valve port and the second air-breathing valve port,
The exhaust valve port is connected with the exhaust outlet, and the first air-breathing valve port is connected with first air entry, and described second inhales
Valve port while is connected with second air entry；Outdoor heat exchanger, the outdoor heat exchanger has a heat exchange stream, the heat exchange
The first end of stream is connected valve port with the described first outdoor and the second outdoor connection valve mouth is connected；Indoor heat exchanger component,
The indoor heat exchanger component includes the first indoor heat exchanging part and the second indoor heat exchanging part, the described first indoor heat exchanging part
Two ends the second end for being connected valve port and the heat exchange stream with the described first interior respectively be connected, the described second indoor heat exchanging part
The two ends divided are connected respectively with the second end of the described second indoor connection valve mouth and the heat exchange stream, the described first indoor heat exchange
A throttling is in series between part and the outdoor heat exchanger, the described second indoor heat exchanging part and the outdoor heat exchanger
Element.
According to the heating and air conditioner of the utility model embodiment, on the one hand by arranging the first cylinder and the second cylinder,
And the first cylinder and the second cylinder is connected with the first air entry and the second air entry respectively, and make the first cylinder and the second cylinder
The span of volume ratio be 1～20, so as to be conducive to improving the Energy Efficiency Ratio of duplex cylinder compressor, reduce duplex cylinder compressor
Power consumption；On the other hand include the first indoor heat exchanging part and the second indoor heat exchanging part by making indoor heat exchanger component, make room
External heat exchanger has a heat exchange stream, and makes between the first indoor heat exchanging part and outdoor heat exchanger and the second indoor heat exchange
Part and a restricting element of connecting respectively between outdoor heat exchanger, can be easy to respectively change the first indoor heat exchanging part and outdoor
Reducing pressure by regulating flow is carried out between hot device and to the refrigerant between the second indoor heat exchanging part and outdoor heat exchanger, so as to be conducive to subtracting
The gaseous coolant amount in refrigerant after few throttling, when heating and air conditioner is freezed, the two-way refrigerant after throttling can be flowed to respectively
First indoor heat exchanging part and the second indoor heat exchanging part are simultaneously each independently in the first indoor heat exchanging part and the second indoor heat exchange
Exchanged heat with indoor environment in part, so as to be conducive to improving the heat transfer effect of indoor heat exchanger component, optimization cold-warm type is empty
Adjust the efficiency level of device, good energy-conserving effect.
According to some embodiments of the present utility model, the commutation component includes two cross valves, each described cross valve
An exhaust valve port is provided with, one of cross valve is provided with the described first indoor connection valve port, the described first outdoor connection
Valve port and the first air-breathing valve port, another described cross valve is provided with the described second indoor connection valve mouth, described second outdoor
Connection valve port and the second air-breathing valve port.
Specifically, described two cross valves link when the heating and air conditioner is freezed or heated.
According to some embodiments of the present utility model, the commutation component is seven port valves.
According to some embodiments of the present utility model, the duplex cylinder compressor also includes the first reservoir, first storage
Liquid device is located at outside the housing, and first reservoir is connected respectively with first air entry and the first air-breathing valve port.
Specifically, the duplex cylinder compressor also includes the second reservoir, and second reservoir is located at outside the housing, institute
State the second reservoir to be connected with second air entry and the second air-breathing valve port respectively.
Specifically, volume of the volume of second reservoir less than first reservoir.
According to some embodiments of the present utility model, the restricting element is electric expansion valve, capillary or choke valve.
According to some embodiments of the present utility model, the first interior heat exchanging part and the second indoor heat exchanging part
For two independent heat exchangers, or the described first indoor heat exchanging part and the second indoor heat exchanging part are same heat exchange
Two parts of device.
According to the value of the volume ratio of some embodiments of the present utility model, first cylinder and second cylinder
Scope is 1～10.
Description of the drawings
Fig. 1 is the schematic diagram of the heating and air conditioner according to the utility model some embodiments；
Fig. 2 is the schematic diagram of the heating and air conditioner according to the utility model other embodiments.
Reference：
Air-conditioner 100；
Duplex cylinder compressor 1；First cylinder 11；Second cylinder 12；Exhaust outlet 13；First air entry 14；Second air entry 15；
Outdoor heat exchanger 2；
Indoor heat exchanger component 3；First indoor heat exchanging part 31；Second indoor heat exchanging part 32；
Restricting element 4a, 4b；
Commutation component 5；Exhaust valve port 51；First outdoor connection valve port 52；Second outdoor connection valve mouth 53；First interior is even
Connect valve port 54；Second indoor connection valve mouth 55；First air-breathing valve port 56；Second air-breathing valve port 57；
First sensor A；Second sensor B；
First reservoir 16；Second reservoir 17.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The restriction of type.
In description of the present utility model, it is to be understood that term " on ", D score " top ", " bottom " " interior ", " outward " etc. refer to
The orientation or position relationship for showing be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
The heating and air conditioner 100 according to the utility model embodiment, heating and air conditioner are described below with reference to Fig. 1-Fig. 2
100 can be used to freeze or heat to indoor environment.
As Figure 1-Figure 2, duplex cylinder compressor can be included according to the heating and air conditioner 100 of the utility model embodiment
1st, commutate component 5, outdoor heat exchanger 2 and indoor heat exchanger component 3.Specifically, indoor heat exchanger component 3 is located at an indoor set
Casing in.
Specifically, duplex cylinder compressor 1 includes housing, the first cylinder 11 and the second cylinder 12.First cylinder 11 and the second gas
Cylinder 12 is respectively provided in housing.For example, the first cylinder 11 and the second cylinder 12 are respectively provided in housing, and the first cylinder 11 and
Two cylinders 12 interval setting on the above-below direction of duplex cylinder compressor 1.Or, in further embodiments, the He of the second cylinder 12
Between first cylinder 11 is respectively provided in housing, and the second cylinder 12 and the first cylinder 11 are on the above-below direction of duplex cylinder compressor 1
Every setting.
As Figure 1-Figure 2, housing is provided with exhaust outlet 13, the first air entry 14 and the second air entry 15, the first cylinder
11 air intake passage is connected with the first air entry 14, and the air intake passage of the second cylinder 12 is connected with the second air entry 15, thus, is changed
Refrigerant after heat can return to duplex cylinder compressor 1 from the first air entry 14 and the second air entry 15 respectively.Specifically, from first
The refrigerant that air entry 14 is returned can flow to the first cylinder 11, and the refrigerant returned from the second air entry 15 can flow to the second cylinder 12,
Refrigerant independently compresses in the first cylinder 11 and the second cylinder 12, and the refrigerant after compression can respectively from the first cylinder 11 and the
Two cylinders 12 flow to exhaust outlet 13, and while discharge duplex cylinder compressor 1 from exhaust outlet 13.
The span of the volume ratio of the first cylinder 11 and the second cylinder 12 is 1～20, the i.e. volume of the second cylinder 12
It is (1/20)～1 with the span of the ratio of the volume of the first cylinder 11.Inventor has found in practical study, when the first gas
When the span of the volume ratio of the cylinder 12 of cylinder 11 and second is 1～20, the efficiency of duplex cylinder compressor 1 is compared with prior art
With being obviously improved.So as to improve the Energy Efficiency Ratio of duplex cylinder compressor 1, the power consumption of duplex cylinder compressor 1 is reduced, optimization cold-warm type is empty
Adjust the efficiency level of device 100.
Shown in reference picture 1- Fig. 2, commutation component 5 includes that the outdoor connection valve port 52, second of exhaust valve port 51, first is outdoor even
Connect the indoor connection valve mouth 55 of the indoor connection valve port 54, second of valve port 53, first, the first air-breathing valve port 56 and the second air-breathing valve port
57.For example, as Figure 1-Figure 2, in the indoor connection valve port 54 of the first outdoor connection valve port 52 and first can be with exhaust
The commutation connection of valve port 51, another in the indoor connection valve port 54 of the first outdoor connection valve port 52 and first can be with the first inlet valve
The commutation connection of mouth 56；One in the indoor connection valve mouth 55 of second outdoor connection valve mouth 53 and second can commutate with exhaust valve port 51
Connection, another in the indoor connection valve mouth 55 of the second outdoor connection valve mouth 53 and second can connect with the commutation of the second air-breathing valve port 57
Logical, when heating and air conditioner 100 is freezed, exhaust valve port 51 is connected respectively the outdoor connection valve of valve port 52 and second with the first outdoor
Mouth 53 is connected, and the first air-breathing valve port 56 is connected valve port 54 and connects with the first interior, and the second air-breathing valve port 57 is connected with the second interior
Valve port 55 is connected；When heating and air conditioner 100 is heated, exhaust valve port 51 is connected valve port 54 and second Room with the first interior respectively
Interior connection valve port 55 is connected, and the first air-breathing valve port 56 is connected valve port 52 and connects with the first outdoor, the second air-breathing valve port 57 and second
Outdoor connection valve port 53 is connected.Herein it is understood that it is above-mentioned with regard to the outdoor connection valve port 52 of exhaust valve port 51, first, the
One indoor connection valve port 54, first the 56, the second outdoor indoor connection valve mouth 55, second of connection valve mouth 53, second suction of air-breathing valve port
The mode of communicating of valve port while 57 is only schematically illustrating with reference to the accompanying drawings, and this cannot function as to limit one kind of the application,
In other embodiments, can also have other mode of communicating, the indoor connection valve of the such as first outdoor connection valve port 52 and second
One in mouth 55 connects with the commutation of exhaust valve port 51, another in the indoor connection valve mouth 55 of the first outdoor connection valve port 52 and second
One connect with the commutation of the first air-breathing valve port 56, one in the indoor connection valve port 54 of the second outdoor connection valve mouth 53 and first and
The commutation connection of exhaust valve port 51, another and the second air-breathing in the indoor connection valve port 54 of the second outdoor connection valve mouth 53 and first
The commutation connection of valve port 57.
In addition, exhaust valve port 51 is connected with exhaust outlet 13, the first air-breathing valve port 56 is connected with the first air entry 14, and second inhales
Valve port while 57 is connected with the second air entry 15, thus, simple and reliable for structure.
Specifically, as Figure 1-Figure 2, outdoor heat exchanger 2 has a heat exchange stream, the first end (example of the stream that exchanges heat
Such as, the left end for illustrating in Fig. 1 and Fig. 2) it is connected the outdoor connection valve mouth 53 of valve port 52 and second with the first outdoor and is connected, thus, when
When heating and air conditioner 100 is freezed, refrigerant can simultaneously be flowed to from the outdoor connection valve mouth 53 of the first outdoor connection valve port 52 and second
Outdoor heat exchanger 2, when heating and air conditioner 100 is heated, refrigerant can respectively flow to the first outdoor connection valve from outdoor heat exchanger 2
The outdoor connection valve mouth 53 of mouth 52 and second.
Indoor heat exchanger component 3 includes the first indoor interior of heat exchanging part 31 and second heat exchanging part 32, and the first interior is changed
The two ends of hot part 31 are connected valve port 54 with the first interior respectively and the second end of heat exchange stream is connected, the second indoor heat exchanging part
32 two ends are connected respectively with the second end of the second indoor connection valve mouth 55 and heat exchange stream, return so as to form complete refrigerant
Road, in order to the circulation of refrigerant.
Between first indoor heat exchanging part 31 and the indoor heat exchanging part 32 of outdoor heat exchanger 2, second and outdoor heat exchanger 2
It is in series with restricting element 4a, a 4b.That is, being in series between the first indoor heat exchanging part 31 and outdoor heat exchanger 2
One restricting element 4a, between the second indoor heat exchanging part 32 and outdoor heat exchanger 2 another restricting element 4b is in series with, this
Can be easy to respectively between the first indoor heat exchanging part 31 and outdoor heat exchanger 2 and to the second indoor heat exchanging part 32 and outdoor
Refrigerant between heat exchanger 2 carries out reducing pressure by regulating flow, and when heating and air conditioner 100 is freezed, the two-way refrigerant after throttling can be respectively
Flow to the indoor heat exchanging part 32 of the first indoor heat exchanging part 31 and second and each independent in the first indoor heat exchanging part 31 and the
Two indoor heat exchanging parts 32 are exchanged heat with indoor environment, excellent so as to be conducive to improving the heat transfer effect of indoor heat exchanger component 3
Change the efficiency level of heating and air conditioner 100.
Alternatively, the flow degree of two restricting elements 4a, 4b is adjustable or flow degree of two restricting elements 4a, 4b not
It is adjustable, or one of restricting element 4a, the 4b in two restricting elements 4a, 4b flow degree it is adjustable and another throttling unit
The flow degree of part 4a, 4b is fixed.For example, it is in series with a flow between the first indoor heat exchanging part 31 and outdoor heat exchanger 2
Adjustable restricting element 4a is spent, another flow degree is in series between the second indoor heat exchanging part 32 and outdoor heat exchanger 2 and is consolidated
Fixed restricting element 4b.Or, in other embodiments, connect between the first indoor heat exchanging part 31 and outdoor heat exchanger 2
There is the restricting element 4a that flow degree is fixed, being in series with flow degree between the second indoor heat exchanging part 32 and outdoor heat exchanger 2 can
The restricting element 4b of tune.
Alternatively, flow degree adjustable restricting element 4a, 4b be electric expansion valve, the restricting element 4a of firm discharge degree,
4b is capillary or choke valve.Thus, simple structure.
Specifically, for example, as Figure 1-Figure 2, when heating and air conditioner 100 is freezed, exhaust valve port 51 respectively with
First outdoor connection valve port 52 is connected with the second outdoor connection valve mouth 53, and the first air-breathing valve port 56 is connected valve port 54 with the first interior
Connection, the second air-breathing valve port 57 is connected with the second indoor connection valve mouth 55, from the refrigerant that the exhaust outlet 13 of duplex cylinder compressor 1 is discharged
The outdoor connection valve mouth 53 of the first outdoor connection valve port 52 and second, subsequent two-way refrigerant point can be respectively flowed to through exhaust valve port 51
Simultaneously outdoor heat exchanger 2 is not flowed to from the outdoor connection valve mouth 53 of the first outdoor connection valve port 52 and second, refrigerant is in outdoor heat exchange
Is exchanged heat with outdoor environment in device 2, after subsequent refrigerant flows out from outdoor heat exchanger 2, flow to respectively two restricting element 4a,
4b, two-way refrigerant flows to respectively the first indoor heat exchanging part 31 and second Room Jing after corresponding restricting element 4a, 4b reducing pressure by regulating flow
Interior heat exchanging part 32, two-way refrigerant in the indoor heat exchanging part 32 of the corresponding first indoor heat exchanging part 31 and second with indoor ring
Border is exchanged heat to freeze to indoor environment, and the two-way refrigerant after heat exchange is respectively from the corresponding first indoor heat exchanging part 31 and the
Two indoor heat exchanging parts 32 flow out；The refrigerant flowed out from the first indoor heat exchanging part 31 is through the first indoor connection valve port 54 and the
One air-breathing valve port 56, and the first cylinder 11 is flowed to through the first air entry 14, from the refrigerant that the second indoor heat exchanging part 32 flows out
Through the second indoor connection valve mouth 55 and the second air-breathing valve port 57, and the second cylinder 12 is flowed to through the second air entry 15；Two-way
Refrigerant respectively in the cylinder 12 of corresponding first cylinder 11 and second independent compression to form the refrigerant of HTHP respectively, compression
Two-way refrigerant afterwards can flow to exhaust outlet 13 from the first cylinder 11 and the second cylinder 12 respectively, and while discharge from exhaust outlet 13 double
Cylinder compressor 1, so as to form the kind of refrigeration cycle of heating and air conditioner 100.
When heating and air conditioner 100 is heated, for example, as Figure 1-Figure 2, exhaust valve port 51 is indoor with first respectively to be connected
Connect valve port 54 to connect with the second indoor connection valve mouth 55, the first air-breathing valve port 56 is connected valve port 52 and connects with the first outdoor, second
Air-breathing valve port 57 is connected with the second outdoor connection valve mouth 53, and the refrigerant discharged from the exhaust outlet 13 of duplex cylinder compressor 1 can be through row
Valve port while 51 flows to the indoor connection valve mouth 55 of the first indoor connection valve port 54 and second, and subsequent two-way refrigerant is indoor from first respectively
The indoor connection valve mouth 55 of connection valve port 54 and second flows to the corresponding first indoor interior of heat exchanging part 31 and second heat exchanging part
32, two-way refrigerant is carried out respectively in the corresponding first indoor interior of heat exchanging part 31 and second heat exchanging part 32 with indoor environment
After heat exchange from the first indoor interior of heat exchanging part 31 and second heat exchanging part 32 flow out to indoor heating, subsequent two-way refrigerant,
Respectively through corresponding restricting element 4a, 4b, and refrigerant flow direction all the way is converged into Jing after corresponding restricting element 4a, 4b reducing pressure by regulating flow
Outdoor heat exchanger 2, refrigerant is exchanged heat in outdoor heat exchanger 2 with outdoor environment, and the refrigerant after heat exchange flows from outdoor heat exchanger 2
Go out, and flow to the outdoor connection valve mouth 53 of the first outdoor connection valve port 52 and second respectively to flow into commutation component 5；Flow to the first Room
The refrigerant of outer connection valve port 52, further across the first air-breathing valve port 56, and flows to the first cylinder 11 through the first air entry 14,
The refrigerant of the second outdoor connection valve mouth 53 is flowed to further across the second air-breathing valve port 57, and the is flowed to through the second air entry 15
Two cylinders 12；Respectively independent compression is high to form high temperature respectively in the cylinder 12 of corresponding first cylinder 11 and second for two-way refrigerant
The refrigerant of pressure, the two-way refrigerant after compression can flow to exhaust outlet 13 from the first cylinder 11 and the second cylinder 12 respectively, and while from
Exhaust outlet 13 discharges duplex cylinder compressor 1, and so as to form heating and air conditioner 100 circulation is heated.
According to the heating and air conditioner 100 of the utility model embodiment, on the one hand by arranging the first cylinder 11 and second
Cylinder 12, and make the first cylinder 11 and the second cylinder 12 connect with the first air entry 14 and the second air entry 15 respectively, and make
The span of the volume ratio of one cylinder 11 and the second cylinder 12 is 1～20, so as to be conducive to improving the energy of duplex cylinder compressor 1
Effect ratio, reduces the power consumption of duplex cylinder compressor 1；On the other hand the first indoor heat exchanging part is included by making indoor heat exchanger component 3
31 and the second indoor heat exchanging part 32, make between the first indoor heat exchanging part 31 and outdoor heat exchanger 2 and the second indoor heat exchange
Connect respectively restricting element 4a, a 4b between part 32 and outdoor heat exchanger 2, can be easy to respectively to the first indoor heat exchanging part
Throttling drop is carried out between 31 and outdoor heat exchanger 2 and to the refrigerant between the second indoor heat exchanging part 32 and outdoor heat exchanger 2
Pressure, so as to advantageously reduce throttling after refrigerant in gaseous coolant amount, when heating and air conditioner 100 is freezed, after throttling
Two-way refrigerant can respectively flow to the first indoor interior heat exchanging part 32 of heat exchanging part 31 and second and independently of one another in the first Room
Exchanged heat with indoor environment in the indoor heat exchanging part 32 of interior heat exchanging part 31 and second, so as to be conducive to improving indoor heat exchanger
The heat transfer effect of component 3, optimizes the efficiency level of heating and air conditioner 100, good energy-conserving effect.
According to some embodiments of the present utility model, with reference to shown in Fig. 1, commutation component 5 includes two cross valves, and each four
Port valve is provided with an exhaust valve port 51, and one of cross valve is provided with first the 54, first outdoor connection valve port of indoor connection valve port
52 and the first air-breathing valve port 56, another cross valve is provided with the outdoor connection valve mouth 53 of the second indoor connection valve mouth 55, second and the
Two air-breathing valve ports 57.Thus, the refrigerant discharged from exhaust outlet 13 can respectively flow to two exhaust valve ports 51, and simple structure is reliable.
Certainly, the utility model not limited to this, in other embodiments, as shown in Fig. 2 commutation component 5 is logical for seven
Valve, it is simple and reliable for structure, and also seven port valves are provided with beneficial to reduces cost.
Further, when the component 5 that commutates includes two cross valves, two cross valves freeze in heating and air conditioner 100 or
Link when heating, consequently facilitating realizing commutation function while two cross valves, freeze in order to work as heating and air conditioner 100
When, the exhaust valve port 51 of one of cross valve is connected valve port 52 and connects and the first air-breathing valve port 56 and the first Room with the first outdoor
Interior connection valve port 54 is connected, and the exhaust valve port 51 of another cross valve is connected and the second inlet valve with the second outdoor connection valve mouth 53
Mouth 57 is connected with the second indoor connection valve mouth 55, when heating and air conditioner 100 is heated, the exhaust valve port of one of cross valve
51 are connected that valve port 54 is connected and the first air-breathing valve port 56 is outdoor with first is connected valve port 52 and connects, another four-way with the first interior
The exhaust valve port 51 of valve is connected with the second indoor connection valve mouth 55, and the second air-breathing valve port 57 connects with the second outdoor connection valve mouth 53
It is logical.
In some embodiments of the present utility model, duplex cylinder compressor 1 also includes the first reservoir 16, the first reservoir 16
Be located at outside housing, the first reservoir 16 is connected respectively with the first air entry 14 and the first air-breathing valve port 56, thus, can be easy to from
The refrigerant that first air-breathing valve port 56 flows out carries out gas-liquid separation, and the first gas is flowed to through the first air entry 14 in order to gaseous coolant
Cylinder 11 and liquid refrigerants is stored in the first reservoir 16, so as to avoid liquid hammer of the liquid refrigerants to the first cylinder 11.
Further, duplex cylinder compressor 1 also includes the second reservoir 17, and the second reservoir 17 is located at outside housing, the second storage
Liquid device 17 is connected respectively with the second air entry 15 and the second air-breathing valve port 57, thus, can be easy to flowing from the second air-breathing valve port 57
The refrigerant for going out carries out gas-liquid separation, and in order to gaseous coolant flows to the second cylinder 12 through the second air entry 15, liquid refrigerants is deposited
Storage, so as to avoid liquid hammer of the liquid refrigerants to the second cylinder 12, is conducive to improving twin-tub pressure then in the second reservoir 17
The reliability of operation of contracting machine 1.
Alternatively, the volume of the second reservoir 17 can greater than, equal to or less than the volume of the first reservoir 16.
Preferably, volume of the volume of the second reservoir 17 less than the first reservoir 16.Specifically, due to the second cylinder
The volume of 12 to the first cylinders 11 is little, by causing the volume of the second reservoir 17 less than the volume of the first reservoir 16, not only
Can ensure to flow back to the coolant quantity of the first cylinder 11 and the second cylinder 12 respectively, and advantageously reduce cost.
In some embodiments of the present utility model, the first indoor interior of heat exchanging part 31 and second heat exchanging part 32 is two
Individual independent heat exchanger, thus, is conducive to improving the heat transfer effect of indoor heat exchanger component 3.Certainly, the utility model is not limited to
This, in other embodiments, the first indoor interior of heat exchanging part 31 and second heat exchanging part 32 is two of same heat exchanger
Point, it is thus simple and reliable, and advantageously reduce cost.
The aspects such as the processing and manufacture in view of the second cylinder 12 and the first cylinder 11, it is preferable that the first cylinder 11 and
The span of the volume ratio of two cylinders 12 is 1～10.Thus, be conducive to further optimizing the structure of duplex cylinder compressor 1.
Specifically, as Figure 1-Figure 2, heating and air conditioner 100 still further comprises first sensor A, the first sensing
Device A is located at exhaust outlet 13 for detecting the temperature or pressure of the refrigerant at exhaust outlet 13.Alternatively, first sensor A is
Pressure sensor or temperature sensor.
Specifically, heating and air conditioner 100 still further comprises second sensor B, and it is indoor that second sensor B is located at first
For detecting the temperature or pressure of corresponding refrigerant in heat exchanging part 31 or in the second indoor heat exchanging part 32.It is optional
Ground, second sensor B is pressure sensor or temperature sensor.
The structure of the air-conditioner 100 of one specific embodiment of the utility model is described in detail below with reference to Fig. 2.
As shown in Fig. 2 the heating and air conditioner 100 of the present embodiment includes duplex cylinder compressor 1, commutation component 5, outdoor heat exchange
Device 2 and indoor heat exchanger component 3.Commutation component 5 is seven port valves.
Duplex cylinder compressor 1 includes housing, the first cylinder 11 and the second cylinder 12.First cylinder 11 and the second cylinder 12 are distinguished
It is located in housing.
As shown in Fig. 2 housing is provided with exhaust outlet 13, the first air entry 14 and the second air entry 15, the first cylinder 11
Air intake passage is connected with the first air entry 14, and the air intake passage of the second cylinder 12 is connected with the second air entry 15, thus, after heat exchange
Refrigerant can return to duplex cylinder compressor 1 from the first air entry 14 and the second air entry 15 respectively.
As shown in Fig. 2 commutation component 5 includes the outdoor connection valve mouth of the outdoor connection valve port 52, second of exhaust valve port 51, first
53rd, first the 54, second indoor connection valve mouth 55 of indoor connection valve port, the first air-breathing valve port 56 and the second air-breathing valve port 57.Exhaust
Valve port 51 is connected with exhaust outlet 13, and the first air-breathing valve port 56 is connected with the first air entry 14, and the second air-breathing valve port 57 and second is inhaled
Gas port 15 is connected, thus, simple and reliable for structure.
Specifically, as shown in Fig. 2 outdoor heat exchanger 2 has a heat exchange stream, the first end of the stream that exchanges heat and the first Room
Outer connection valve port 52 is connected with the second outdoor connection valve mouth 53, and thus, when heating and air conditioner 100 is freezed, refrigerant can be from the
The outdoor connection valve mouth 53 of one outdoor connection valve port 52 and second flows to outdoor heat exchanger 2 simultaneously, when heating and air conditioner 100 is heated
When, refrigerant can respectively flow to the outdoor connection valve mouth 53 of the first outdoor connection valve port 52 and second from outdoor heat exchanger 2.
Indoor heat exchanger component 3 includes the first indoor interior of heat exchanging part 31 and second heat exchanging part 32, and the first interior is changed
The two ends of hot part 31 are connected valve port 54 with the first interior respectively and the second end of heat exchange stream is connected, the second indoor heat exchanging part
32 two ends are connected respectively with the second end of the second indoor connection valve mouth 55 and heat exchange stream, return so as to form complete refrigerant
Road, in order to the circulation of refrigerant.
Between first indoor heat exchanging part 31 and the indoor heat exchanging part 32 of outdoor heat exchanger 2, second and outdoor heat exchanger 2
It is in series with a restricting element.The flow degree of one of restricting element 4a, 4b in two restricting elements 4a, 4b is adjustable and another
The flow degree of one restricting element 4a, 4b is fixed.Flow degree adjustable restricting element 4a, 4b are electric expansion valve, and flow degree is consolidated
Fixed restricting element 4a, 4b is capillary.
The first indoor interior of heat exchanging part 31 and second heat exchanging part 32 is two independent heat exchangers.Two indoor heat exchange
Part is located in the casing of same indoor set.
Inventor adopts air-conditioner to do multigroup experiment to verify the first cylinder 11 and the second cylinder 12 in practical study
Volume ratio and duplex cylinder compressor 1 efficiency lifted ratio between relation.
| First cylinder and the second cylinder ratio | Efficiency lifts (%) |
| 2 | 10% |
| 20 | 7% |
When the span of the first cylinder 11 and the volume ratio of the second cylinder 12 is 1～20, the efficiency of whole machine with it is existing
There is technology to compare with being obviously improved.
Preferably, the span of the volume ratio of the first cylinder 11 and the second cylinder 12 is 1～10.
The control method of the heating and air conditioner according to the utility model embodiment is described below in detail.
The flow degree of two restricting elements of heating and air conditioner is adjustable, and the flow degree of certain restricting element can also be
It is nonadjustable.Or, in further embodiments, the flow degree of a restricting element in two restricting elements is adjustable, separately
The flow degree of one restricting element is fixed.It is understood that the flow degree of restricting element fixes the flow for referring to restricting element
Degree is non-adjustable.
When at least one restricting element flow degree can timing, according to detection object testing result adjustment flow degree can
The flow degree of the restricting element of tune to predetermined amount of flow degree, wherein detection object include outdoor environment temperature, the fortune of duplex cylinder compressor
At least one of pressure at expulsion of line frequency, the delivery temperature of exhaust outlet and exhaust outlet.For example, heating and air conditioner includes control
Device processed, controller can adjust the flow degree of the adjustable restricting element of flow degree to setting flow according to the testing result of detection object
Degree.
Specifically, when the flow degree for having a restricting element in two restricting elements can timing, according to detection object
The testing result adjustment adjustable restricting element of flow degree flow degree to setting flow degree；When the flow degree of two restricting elements
Can timing, corresponding to two restricting elements detection object can identical can also be and differ.For example can basis
The flow degree of two restricting elements is adjusted respectively to the testing result of the first detection object and the second detection object to setting flow
Degree.Wherein, the first detection object and the second detection object include outdoor environment temperature, the running frequency of duplex cylinder compressor, row
At least one of the delivery temperature of gas port and the pressure at expulsion of exhaust outlet.It is understood that the first detection object and second
The identical parameter referred to needed for for adjusting two restricting elements of detection object is identical, the first detection object and the second detection
Object refers to that the parameter needed for for adjusting two restricting elements is different when different.
It is understood that when only one of which restricting element flow degree can timing, when freezing and heating, throttling unit
The detection object of part can be identical can also be it is different for example detection object during refrigeration is outdoor environment temperature, system
Detection object when hot is delivery temperature.When two restricting elements flow degree can timing, freeze and heat two not
With under operating mode, the detection object of each restricting element can be that identical can also be different.For example, during refrigeration, wherein one
The detection object of individual restricting element is outdoor environment temperature, and the detection object of another restricting element is the operation frequency of compressor
Rate, when heating, the detection object of one of restricting element is pressure at expulsion, and the detection of another restricting element is right
As if outdoor environment temperature.
No matter freeze or heat, when air-conditioner runs, needed for the adjustable restricting element of equal acquisition process flow degree
Parameter, then the flow degree of the adjustable restricting element of parameter regulation flow degree that basis is obtained is until setting flow degree.Certainly may be used
To be understood by, when two restricting elements flow degree can timing, acquisition process control two restricting elements needed for parameter
The step of can carry out successively carrying out simultaneously.
In some embodiments of the present utility model, when two restricting elements flow degree can timing, two throttling unit
The corresponding detection object of part is that the first detection object and the second detection object are outdoor environment temperature T4；Or when two throttlings
Have in element a restricting element flow degree can timing, the corresponding detection object of the restricting element be outdoor environment temperature.
In refrigeration and heating operation, outdoor environment temperature presets respectively multiple outdoor temperatures intervals, each outdoor temperature
The flow degree of the different restricting element of interval correspondence, according to the outdoor temperature area that the actually detected outdoor environment temperature value for arriving is located
Between corresponding restricting element the flow angle value adjustment adjustable restricting element of flow degree flow degree.I.e. when two restricting elements
Flow degree can timing, according to the interval corresponding restricting element of outdoor temperature that the actually detected outdoor environment temperature value that arrives is located
Flow angle value adjust two restricting elements flow degree；When the flow degree of the said one restricting element in two restricting elements
Can timing, the flow degree of the interval corresponding restricting element of outdoor temperature being located according to the actually detected outdoor environment temperature value that arrives
The flow degree of the one restricting element of value adjustment
Specifically, during refrigeration, the concrete condition of the flow degree of the interval corresponding restricting element of different outdoor temperatures is as follows
Table：
When heating, the concrete condition such as following table of the flow degree of the interval corresponding restricting element of different outdoor temperatures：
| T4 | Flow degree |
| 10≤T4 ＜ 20 | 160 |
| 5≤T4 ＜ 10 | 180 |
| - 5≤T4 ＜ 5 | 200 |
| - 10≤T4 ＜ -5 | 250 |
| - 15≤T4 ＜ -10 | 300 |
In further embodiments, when two restricting elements flow degree can timing, the detection of two restricting elements is right
As being that the first detection object and the second detection object are outdoor environment temperature T4 and running frequency F；When having in two restricting elements
The flow degree of one restricting element can timing, the corresponding detection object of the restricting element is outdoor environment temperature T4 and running frequency
F。
When refrigeration and heating operation, the setting of restricting element is calculated according to outdoor environment temperature and running frequency first
Flow degree, then adjusts the flow degree of restricting element according to setting flow degree.That is, when the flow degree of two restricting elements
Can timing, be calculated the setting flow degree of restricting element according to outdoor environment temperature and running frequency first, then basis
Setting flow degree adjusts the flow degree of two restricting elements；When the flow degree for having a restricting element in two restricting elements it is adjustable
When, the setting flow degree of restricting element is calculated according to outdoor environment temperature and running frequency first, then according to setting stream
Measure the flow degree for adjusting one restricting element.
Specifically, during refrigeration, the flow degree LA_cool_1 and outdoor environment temperature T4 of restricting element and running frequency F it
Between relational expression be：LA_cool_1=a1·F+b1T4+c1, when the flow degree LA_cool_1 for calculating is more than the throttling unit of collection
When the actual flow of part is spent, the flow degree of the adjustable restricting element of flow degree is increased to into calculated flow rate degree；Otherwise turn down.Wherein
0≤a1≤ 20,0≤b1≤ 20, -50≤c1≤100.Control coefrficient a, b, c can be 0, when one coefficient of any of which is zero
When, it was demonstrated that the corresponding parameter of the coefficient is on the flow degree of restricting element without impact.For example in refrigeration, outdoor environment temperature is detected
Spend for 35 DEG C, compressor operating frequency is 58Hz, set a1=1, b1=1.6, c1=6.First heating and air conditioner is according to collection
The frequency for arriving and T4 values, the flow degree for calculating restricting element should be 120, adjust the flow of the adjustable restricting element of flow degree
Spend to 120.
When heating, the flow degree LA_heat_1 and the relation between outdoor environment temperature T4 and running frequency F of restricting element
Formula is：LA_heat_1=x1·F+y1T4+z1, when the flow degree LA_heat_1 for calculating is more than the reality of the restricting element of collection
When flow is spent, the flow degree of the adjustable restricting element of flow degree is increased to into calculated flow rate degree；Otherwise turn down.Wherein, 0≤x1≤
15,0≤y1≤ 15, -50≤z1≤100；Control coefrficient x, y, z can be 0.For example, when heating, outdoor environment temperature is detected
Spend for 7 DEG C, compressor operating frequency is 72Hz, set x1=2.0, y1=3.0, z1=22.0；System first is according to collecting
Frequency and T4 values, the flow degree for calculating restricting element should be 187, and the flow degree for adjusting the adjustable restricting element of flow degree is arrived
187.After maintaining the flow degree 200s of restricting element, compressor operating frequency and T4 values are detected again, or according to user to sky
The adjustment of tune, detection compressor operating frequency and T4 values, readjust to restricting element.
In other specific examples of the present utility model, the flow degree of two restricting elements is adjustable, and two throttlings
The corresponding detection object of element is the first detection object and the second detection object be outdoor environment temperature T4, running frequency F and
Pressure at expulsion；Or first detection object and the second detection object be outdoor environment temperature T4, running frequency F and delivery temperature,
When refrigeration or heating operation, first setting pressure at expulsion is calculated according to outdoor environment temperature T4 and running frequency F or is set
Determine delivery temperature, the flow degree of two restricting elements is then adjusted according to the actually detected pressure at expulsion for arriving or delivery temperature with
So that the pressure at expulsion for detecting either delivery temperature reach setting pressure at expulsion or setting delivery temperature.Thus, simply may be used
Lean on.
In some specific examples of the present utility model, there is the flow degree of a restricting element can in two restricting elements
Adjust, the detection object of the adjustable restricting element of flow degree is outdoor environment temperature T4, running frequency F and pressure at expulsion or room
External environment temperature T4, running frequency F and delivery temperature, in refrigeration and during heating operation, first according to outdoor environment temperature T4 and
Running frequency F is calculated setting pressure at expulsion or setting delivery temperature, then according to the actually detected pressure at expulsion for arriving or
The flow degree of person's delivery temperature adjustment restricting element is so that the pressure at expulsion or delivery temperature that detect reach setting exhaust
Pressure or setting delivery temperature.Thus, it is simple and reliable.
In other embodiments of the present utility model, there is the flow degree of a restricting element can in two restricting elements
Adjust, during refrigeration, the detection object of the restricting element is outdoor environment temperature T4, and the detection object of restricting element is outdoor when heating
Environment temperature T4, running frequency F and pressure at expulsion.In refrigerating operaton, outdoor environment temperature presets respectively multiple outdoor temperatures
Interval, the flow degree of the different restricting element of the interval correspondence of each outdoor temperature, according to the actually detected outdoor environment temperature for arriving
The flow angle value of the interval corresponding restricting element of outdoor temperature that value is located adjusts the flow degree of restricting element.In heating operation
When, first setting pressure at expulsion is calculated according to outdoor environment temperature T4 and running frequency F, then arrived according to actually detected
The flow degree of pressure at expulsion adjustment restricting element is so that the pressure at expulsion for detecting reaches setting pressure at expulsion.Thus, simply
It is reliable.
In some embodiments of the present utility model, the flow degree of two restricting elements is adjustable, and one of throttling
Corresponding first detection object of element is outdoor environment temperature T4, and in refrigeration and heating operation, outdoor environment temperature is pre- respectively
If multiple outdoor temperatures are interval, the flow degree of the different restricting element of the interval correspondence of each outdoor temperature can be according to actually detected
The outdoor environment temperature for arriving adjusts the flow degree of one of restricting element；Corresponding second detection of another restricting element
Object is outdoor environment temperature and running frequency, in refrigeration and heating operation, can first according to outdoor environment temperature T4 and fortune
Line frequency F is calculated the setting flow degree of another restricting element, then described another according to the degree adjustment of setting flow
The flow degree of individual restricting element.
Specifically, during refrigeration, the concrete condition of the flow degree of the interval corresponding restricting element of different outdoor temperatures is as follows
Table：
| T4 | Flow degree |
| 10≤T4 ＜ 20 | 100 |
| 20≤T4 ＜ 30 | 110 |
| 30≤T4 ＜ 40 | 120 |
| 40≤T4 ＜ 50 | 150 |
| 50≤T4 ＜ 60 | 180 |
The flow degree LA_cool_1 and the relational expression between outdoor environment temperature T4 and running frequency F of restricting element be：
LA_cool_1=a1·F+b1T4+c1, when the flow degree LA_cool_1 for calculating is more than the actual flow degree of the restricting element of collection
When, the flow degree of restricting element is increased to into calculated flow rate degree；Otherwise turn down.Wherein 0≤a1≤ 20,0≤b1≤ 20, -50≤c1
≤100.Control coefrficient a, b, c can be 0, when one coefficient of any of which is zero, it was demonstrated that the corresponding parameter of the coefficient is to section
The flow degree of fluid element is without impact.
When heating, the concrete condition such as following table of the flow degree of the interval corresponding restricting element of different outdoor temperatures：
| T4 | Flow degree |
| 10≤T4 ＜ 20 | 160 |
| 5≤T4 ＜ 10 | 180 |
| - 5≤T4 ＜ 5 | 200 |
| - 10≤T4 ＜ -5 | 250 |
| - 15≤T4 ＜ -10 | 300 |
The flow degree LA_heat_1 and the relational expression between outdoor environment temperature T4 and running frequency F of restricting element be：
LA_heat_1=x1·F+y1T4+z1, when the flow degree LA_heat_1 for calculating is more than the actual flow degree of the restricting element of collection
When, the flow degree of restricting element is increased to into calculated flow rate degree；Otherwise turn down.Wherein, 0≤x1≤ 15,0≤y1≤ 15, -50≤
z1≤100；Control coefrficient x, y, z can be 0.
Further, after the flow degree of restricting element meets condition, can be after the operation n seconds, again detection detection is right
As, the flow degree of restricting element is then adjusted according to testing result, so repeat.Certainly repeat condition not limited to this, for example may be used
After the operational order for receiving user, detection object is detected again, the stream of restricting element is then adjusted according to testing result
Measure.
When the flow degree of two restricting elements is fixed, according to the compressor operation parameters and/or outdoor environment that detect
The running frequency of temperature adjustment duplex cylinder compressor includes running current, exhaust pressure to condition, wherein compressor operation parameters are met
At least one of power, delivery temperature；In other words, according to the operation frequency of the testing result adjustment duplex cylinder compressor to detection object
Rate, wherein detection object include outdoor environment temperature, the delivery temperature of exhaust outlet, the pressure at expulsion of exhaust outlet, duplex cylinder compressor
At least one of running current.
When the running frequency of duplex cylinder compressor is adjusted after condition is met, compressor can be again detected after the operation n seconds
Operational factor and/or outdoor environment temperature, then adjust the running frequency of compressor, such as according to the testing result for detecting again
This repetition.Certainly repeat condition not limited to this, for example, can again detect compressor fortune after the operational order for receiving user
Line parameter and/or outdoor environment temperature, then adjust the running frequency of compressor according to the testing result for detecting again.Change speech
It, when freezing or heating, after the running frequency of compressor meets condition, in the operation n seconds or can receive user
Operation signal after, compressor operation parameters and/or outdoor environment temperature are detected again, then run according to testing result adjustment
Frequency, so repeats.
In specific example of the present utility model, during heating and air conditioner is run, if detecting user pass
Machine is instructed or indoor environment temperature reaches design temperature, and compressor is out of service.
According to the control method of the air-conditioner of the utility model embodiment, by being adjusted according to testing result in running
The running frequency of whole compressor, such that it is able to let the system operate in suitable parameter area, improves the reliability of air-conditioner operation
Property.
In some embodiments of the present utility model, multiple different delivery temperatures intervals, multiple exhaust temperature are preset first
The regulating command for spending interval corresponding running frequency is different, then detects delivery temperature and is located according to the delivery temperature for detecting
The interval corresponding regulating command of delivery temperature adjust running frequency.Wherein regulating command can include frequency reducing, raising frequency, keep frequency
The instructions such as rate, shutdown, releasing frequency limit.So as to pass through to detect the running frequency that delivery temperature adjusts compressor, can be direct
Reaction system running status, it is ensured that what system operation improved air-conditioner operation in suitable parameter area, further can
By property.Needs are illustrated, and the running frequency that releasing frequency limit refers to compressor is unrestricted, without the need for adjustment compression
The running frequency of machine.Such as air-conditioner start refrigerating operaton, detects delivery temperature TP in running, set following regulation
Instruction：115 DEG C≤TP, shut down；110℃≤TP<115 DEG C, it is downconverted to TP<110℃；105℃≤TP<110 DEG C, frequency keeps；
TP<105 DEG C, release frequency limit.Then corresponding regulating command is performed according to actually detected delivery temperature TP for arriving, is being adjusted
After the completion of detect TP again, if meet adjust if terminate judge, operation the n seconds after, delivery temperature TP is detected again, repetition sentence
It is disconnected.While operation n seconds, if detecting user's shutdown command or design temperature reaches, terminate operation.
In some embodiments of the present utility model, default multiple outdoor temperatures are interval, heat stoppage protection electric current and system
Cold stoppage protection electric current, the different limit frequency protective current of the interval correspondence of multiple outdoor temperatures.Outdoor environment temperature is detected first, so
The outdoor temperature interval being located according to the outdoor environment temperature for detecting afterwards obtains corresponding limit frequency protective current, adjustment operation frequency
Rate so that it is actually detected to running current reach corresponding limit frequency protective current, wherein the running current for detecting when cooling
Then directly shut down during more than refrigeration stoppage protection electric current, the running current detected when heating is more than heating stoppage protection electric current
When then directly shut down.
Specifically, multiple outdoor temperatures are interval during refrigeration can institute as follows with the corresponding corresponding relation for limiting frequency protective current
Show：As 50.5 DEG C of T4 ＞, limit frequency protective current is CL5；As 45.5 DEG C of 49.5 DEG C >=T4 ＞, limit frequency protective current is CL4；
As 41 DEG C of 44.5 DEG C >=T4 ＞, limit frequency protective current is CL3；As 33 DEG C of 40 DEG C >=T4 ＞, limit frequency protective current is CL2；When
32 >=T4 DEG C, limit frequency protective current is CL1.Wherein CL5, CL4, CL3, CL2, CL1 and refrigeration stoppage protection electric current concrete number
Value can specifically be limited according to actual conditions, and here is not limited.
The outdoor environment temperature T4 for for example detecting when refrigerating operaton is located outside 33 DEG C of 40 DEG C >=T4 of temperature range ＞
When interior, then it represents that running current does not allow more than limit frequency protective current CL2, if it does, running current will be downconverted to less than limit
Frequency protective current CL2.
The interval corresponding relation with corresponding limit frequency protective current of multiple outdoor temperatures can be with as follows when heating：Work as T4
During 15 DEG C of ＞, limit frequency protective current is HL5；When 14 DEG C of ＞ T4 >=10 DEG C, limit frequency protective current is HL4；When 9 DEG C of ＞ T4 >=6
DEG C when, limit frequency protective current is HL3；When 5 DEG C of ＞ T4 >=-19 DEG C, limit frequency protective current is HL2；As -20 DEG C of ＞ T4, limit frequency is protected
Shield electric current is HL1.Wherein HL5, HL4, HL3, HL2, HL1 and heat the concrete numerical value of stoppage protection electric current can be according to actual feelings
Condition is specifically limited, and here is not limited.
For example when the outdoor environment temperature T4 for detecting when heating operation is located outside 9 DEG C of ＞ T4 >=6 DEG C of temperature range,
Then represent that running current does not allow more than limit frequency protective current HL3, if it does, running current will be downconverted to protecting less than limit frequency
Electric current HL3.
In some embodiments of the present utility model, multiple outdoor temperatures intervals can be preset, multiple outdoor temperatures are interval
The different setting running frequencies of correspondence, according to it is actually detected to the outdoor temperature that is located of outdoor environment temperature interval corresponding set
Determine the running frequency that running frequency adjusts compressor.
In some embodiments of the present utility model, multiple different pressures at expulsion intervals, multiple exhaust pressures are preset first
The regulating command of the interval corresponding running frequency of power is different, then detects pressure at expulsion and is located according to the pressure at expulsion for detecting
The interval corresponding regulating command of pressure at expulsion adjust running frequency.Wherein regulating command can include frequency reducing, raising frequency, keep frequency
The instructions such as rate, shutdown, releasing frequency limit.So as to pass through to detect the running frequency that pressure at expulsion adjusts compressor, can be direct
Reaction system running status, it is ensured that what system operation improved air-conditioner operation in suitable parameter area, further can
By property.
According to the control method of the heating and air conditioner of the utility model embodiment, be conducive to improving heating and air conditioner
Efficiency.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (10)
1. a kind of heating and air conditioner, it is characterised in that include：
Duplex cylinder compressor, the duplex cylinder compressor includes housing, the first cylinder and the second cylinder, and the housing is provided with exhaust
Mouthful, the first air entry and the second air entry, first cylinder and second cylinder be respectively provided in the housing, described the
The air intake passage of one cylinder is connected with first air entry, and the air intake passage of second cylinder connects with second air entry
Logical, the span of the volume ratio of first cylinder and second cylinder is 1～20；
Commutation component, the commutation component include exhaust valve port, the first outdoor connection valve port, the second outdoor connection valve mouth, first
Indoor connection valve port, the second indoor connection valve mouth, the first air-breathing valve port and the second air-breathing valve port, the exhaust valve port and the row
Gas port is connected, and the first air-breathing valve port is connected with first air entry, the second air-breathing valve port and second air-breathing
Mouth is connected；
Outdoor heat exchanger, the outdoor heat exchanger has a heat exchange stream, the first end of the heat exchange stream and described first
Outdoor connection valve port is connected with the described second outdoor connection valve mouth；
Indoor heat exchanger component, the indoor heat exchanger component includes the first indoor heat exchanging part and the second indoor heat exchanging part,
The two ends of the described first indoor heat exchanging part are connected respectively the second end phase of valve port and the heat exchange stream with the described first interior
Even, the two ends of the described second indoor heat exchanging part respectively with the described second indoor connection valve mouth and the second end of the heat exchange stream
It is connected, the first indoor heat exchanging part and the outdoor heat exchanger, the described second indoor heat exchanging part and the outdoor heat exchange
A restricting element is in series between device.
2. heating and air conditioner according to claim 1, it is characterised in that the commutation component includes two cross valves,
Each described cross valve is provided with an exhaust valve port, and one of cross valve is provided with the described first indoor connection valve port, institute
The first outdoor connection valve port and the first air-breathing valve port are stated, another described cross valve is provided with the described second indoor connection valve
Mouth, the described second outdoor connection valve mouth and the second air-breathing valve port.
3. heating and air conditioner according to claim 2, it is characterised in that described two cross valves are empty in the cold-warm type
Adjust device refrigeration or link when heating.
4. heating and air conditioner according to claim 1, it is characterised in that the commutation component is seven port valves.
5. heating and air conditioner according to claim 1, it is characterised in that the duplex cylinder compressor also includes the first liquid storage
Device, first reservoir is located at outside the housing, first reservoir respectively with first air entry and described first
Air-breathing valve port is connected.
6. heating and air conditioner according to claim 5, it is characterised in that the duplex cylinder compressor also includes the second liquid storage
Device, second reservoir is located at outside the housing, second reservoir respectively with second air entry and described second
Air-breathing valve port is connected.
7. heating and air conditioner according to claim 6, it is characterised in that the volume of second reservoir is less than described
The volume of the first reservoir.
8. heating and air conditioner according to claim 1, it is characterised in that the restricting element is electric expansion valve, hair
Tubule or choke valve.
9. heating and air conditioner according to claim 1, it is characterised in that the described first indoor heat exchanging part and described the
Two indoor heat exchanging parts are two independent heat exchangers, or the described first indoor heat exchanging part and the second indoor heat exchanging part
It is divided into two parts of same heat exchanger.
10. the heating and air conditioner according to any one of claim 1-9, it is characterised in that first cylinder and institute
The span for stating the volume ratio of the second cylinder is 1～10.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2016/102887 WO2018018765A1 (en) | 2016-07-29 | 2016-10-21 | Cooling and heating air conditioner, and control method |
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| CN2016106170861 | 2016-07-29 | ||
| CN201610617058X | 2016-07-29 | ||
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| CN201610617086 | 2016-07-29 | ||
| CN201610617058 | 2016-07-29 | ||
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| CN201621099886.0U Active CN206160545U (en) | 2016-07-29 | 2016-09-29 | Heating and cooling air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288489A (en) * | 2016-07-29 | 2017-01-04 | 广东美的制冷设备有限公司 | Heating and air conditioner and control method |
| WO2019061914A1 (en) * | 2017-09-29 | 2019-04-04 | 上海海立电器有限公司 | Fresh-air air conditioning system and control method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018018766A1 (en) * | 2016-07-29 | 2018-02-01 | 广东美的制冷设备有限公司 | Cold-warm air conditioner and control method |
| CN108775728B (en) * | 2018-07-20 | 2023-08-04 | 珠海格力电器股份有限公司 | Multi-split water chiller-heater unit |
| CN111503914B (en) * | 2019-01-31 | 2022-07-15 | 日立江森自控空调有限公司 | Refrigerant distribution adjusting device, air conditioning system and air conditioning system control method |
| CN112032912A (en) * | 2020-08-17 | 2020-12-04 | 青岛海尔空调电子有限公司 | Control method of multi-connected air conditioning system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4815286B2 (en) * | 2006-07-10 | 2011-11-16 | 東芝キヤリア株式会社 | Two-way refrigeration cycle equipment |
| CN105115181B (en) * | 2015-07-21 | 2018-06-26 | 上海海立电器有限公司 | A kind of air-conditioning system |
| CN105758037A (en) * | 2016-04-29 | 2016-07-13 | 广东美的制冷设备有限公司 | Cool-warm type air conditioner and control method thereof |
| CN105758036A (en) * | 2016-04-29 | 2016-07-13 | 广东美的制冷设备有限公司 | Single-refrigeration type air conditioner and control method thereof |
| CN106288489A (en) * | 2016-07-29 | 2017-01-04 | 广东美的制冷设备有限公司 | Heating and air conditioner and control method |
-
2016
- 2016-09-29 CN CN201610866880.XA patent/CN106288489A/en active Pending
- 2016-09-29 CN CN201621099886.0U patent/CN206160545U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288489A (en) * | 2016-07-29 | 2017-01-04 | 广东美的制冷设备有限公司 | Heating and air conditioner and control method |
| WO2019061914A1 (en) * | 2017-09-29 | 2019-04-04 | 上海海立电器有限公司 | Fresh-air air conditioning system and control method |
| US11480369B2 (en) | 2017-09-29 | 2022-10-25 | Shanghai Highly Electrical Appliances Co., Ltd. | Fresh-air air conditioning system and control method |
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| CN106288489A (en) | 2017-01-04 |
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