CN108224838A - Air-conditioner system - Google Patents
Air-conditioner system Download PDFInfo
- Publication number
- CN108224838A CN108224838A CN201711445292.XA CN201711445292A CN108224838A CN 108224838 A CN108224838 A CN 108224838A CN 201711445292 A CN201711445292 A CN 201711445292A CN 108224838 A CN108224838 A CN 108224838A
- Authority
- CN
- China
- Prior art keywords
- injector
- heat exchanger
- refrigerant
- air
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
- F25B41/00—Fluid-circulation arrangements
-
- 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
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0015—Ejectors not being used as compression device using two or more ejectors
Abstract
The invention belongs to air conditioner technical fields, and in particular to a kind of air-conditioner system.In order to effectively improve air conditioner refrigerating/heating effect and reduce energy consumption, the air-conditioner system of the present invention includes compressor, outdoor heat exchanger, indoor heat exchanger, supplementary heat exchanger and injector, and compressor, outdoor heat exchanger, supplementary heat exchanger, indoor heat exchanger and injector form the major loop of refrigerant circulation；Compressor, outdoor heat exchanger/indoor heat exchanger, supplementary heat exchanger and injector form the branch circuit of refrigerant circulation；In refrigerating/heating cycle, injector is flowed into from a part of refrigerant that compressor flows out along major loop, another part refrigerant flows into injector along branch circuit, and two-way refrigerant flows back into compressor after being mixed in injector.The present invention increases the supercooling effect of refrigerant using supplementary heat exchanger, and the pressure of inspiration(Pi) of compressor is improved using injector, achievees the purpose that be pressurized synergy, improve air conditioner freeze under high temperature environment and low temperature environment under the effect that heats, reduce energy consumption.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of air-conditioner system.
Background technology
Existing air-conditioner system usually forms refrigerating/heating cycle by condenser, throttling set, evaporator, compressor
Circuit, the high pressure gaseous refrigerant of compressor discharge condense into cryogenic high pressure liquid, and through throttling set section within the condenser
Low temperature and low pressure liquid is flowed into, absorbs heat and evaporates subsequently into evaporator, completes a refrigerating/heating cycle.
Traditional air-conditioner system heats and freezes that the effect is relatively poor, and energy under high temperature environment at low ambient temperatures
Consumption is higher, it is impossible to realize energy-efficient purpose.Some air-conditioner systems achieve the purpose that supercharging synergy using enthalpy-increasing compressor,
It is of high cost but since the manufacture of compressor produces complexity, thus be unfavorable for replacing and repair.At present, the invention of injector and
Using, it realizes and intermediate pressure is reached by high-temperature, high pressure fluid suction low-temp low-pressure fluid, the purpose without consuming mechanical energy, energy
Enough effects for effectively realizing boosting energy-saving.Also, injector also has simple in structure, and manufacture is easy to maintenance, and it is excellent that initial cost is few etc.
Point.
Based on this, in order to effectively improve air conditioner refrigerating/heating effect and reduce energy consumption, the present invention proposes a kind of new
Air-conditioner system.
Invention content
In order to solve the above problem of the prior art, in order to effectively improve air conditioner refrigerating/heating effect and drop
Low energy consumption, the present invention provides a kind of air-conditioner systems, including compressor, outdoor heat exchanger and indoor heat exchanger, the air-conditioning
Device system further includes supplementary heat exchanger and injector, the compressor, the outdoor heat exchanger, the supplementary heat exchanger, described
The major loop of indoor heat exchanger and injector composition refrigerant circulation；The compressor, the outdoor heat exchanger/interior
The branch circuit of heat exchanger, the supplementary heat exchanger and injector composition refrigerant circulation；In refrigerating/heating cycle, from institute
It states a part of refrigerant of compressor outflow and flows into the injector along the major loop, another part refrigerant is along the branch circuit stream
Enter the injector, two-way refrigerant flows back into the compressor after being mixed in the injector.
In the preferred embodiment of above-mentioned air-conditioner system, in refrigerating/heating cycle, pass through institute along the major loop
The flow direction and the flow direction along the branch circuit by the refrigerant of the supplementary heat exchanger for stating the refrigerant of supplementary heat exchanger
It on the contrary, also, can be in the supplementary heat exchanger with the refrigerant flowed along the branch circuit along the refrigerant that the major loop flows
Place carries out heat exchange.
In the preferred embodiment of above-mentioned air-conditioner system, the air-conditioner system, which further includes, is set to the major loop
The first four-way valve and be set to second four-way valve of branch circuit, wherein, first four-way valve is for making the air conditioner
System switches between refrigeration cycle and heating cycle；Second four-way valve flows through for changing the refrigerant in the branch circuit
The direction of the supplementary heat exchanger.
In the preferred embodiment of above-mentioned air-conditioner system, between the supplementary heat exchanger and the outdoor heat exchange respectively
The first pipeline and the second pipeline, component part of first pipeline as the major loop are connected with, second pipeline is made
For the component part of the branch circuit, and the caliber of first pipeline is more than the caliber of second pipeline；And/or
Third pipeline and the 4th pipeline, the third pipeline conduct are connected separately between the supplementary heat exchanger and the indoor heat exchange
The component part of the major loop, component part of the 4th pipeline as the branch circuit, and the pipe of the third pipeline
Diameter is more than the caliber of the 4th pipeline.
In the preferred embodiment of above-mentioned air-conditioner system, the first electric expansion valve is provided on first pipeline,
The second electric expansion valve is provided on the third pipeline；In refrigeration cycle, first electric expansion valve is in standard-sized sheet shape
State, second electric expansion valve are used for the throttling of refrigerant；In heating recycles, second electric expansion valve is in standard-sized sheet shape
State, first electric expansion valve are used for the throttling of refrigerant.
In the preferred embodiment of above-mentioned air-conditioner system, the first shut-off valve is provided on second pipeline, it is described
The second shut-off valve is provided on 4th pipeline；In refrigeration cycle, first shut-off valve is opened, and second shut-off valve closes
It closes；In heating recycles, first shut-off valve is closed, and second shut-off valve is opened.
In the preferred embodiment of above-mentioned air-conditioner system, the injector is adjustable ejector, described adjustable
Injector can adjust mass ratio of induced-to-inducing air and injection pressure according to the operational mode of the air conditioner.
In the preferred embodiment of above-mentioned air-conditioner system, the injector is two, and described two injectors is simultaneously
Join the first injector and the second injector of setting.
In the preferred embodiment of above-mentioned air-conditioner system, first injector is specification with second injector
Two kinds of different injectors, wherein, first injector is used for refrigeration cycle, and second injector recycles for heating.
In the preferred embodiment of above-mentioned air-conditioner system, in refrigeration cycle, first injector is in access
State, second injector are in off state, the refrigerant in the major loop and the refrigerant in the branch circuit respectively from
Different entrances enters first injector, is then flowed out from the outlet of first injector；It is described in heating recycles
Second injector is in channel status, and first injector is in off state, refrigerant and the branch in the major loop
Refrigerant in circuit enters second injector from different entrances respectively, then from the outlet stream of second injector
Go out.
In the inventive solutions, air-conditioner system increases the supercooling effect of refrigerant using supplementary heat exchanger, utilizes
Injector improves the pressure of inspiration(Pi) of compressor, and then achievees the purpose that be pressurized synergy, improves air conditioner and freezes under high temperature environment
And the effect heated under low temperature environment, reduce energy consumption.That is, improving refrigerant using injector 5 enters compressor
After pressure, in the case of the refrigerant pressure of compressor output is certain, the power that compressor consumes in itself can be reduced；It is compressing
Machine consumes the situation of equal-wattage, can improve the heating effect of air conditioner.In a kind of example, air-conditioner system of the invention
Using the injector (differences such as mass ratio of induced-to-inducing air, injection pressure of two injectors) of two different sizes, in low-temperature heating and height
Temperature refrigeration between switch, so as to neatly adjust mass ratio of induced-to-inducing air, injection pressure reach different injection effects, to adapt to reality
The refrigeration or heating condition on border select corresponding injector can be more come the mode being pressurized according to the operational mode of air conditioner
The effect that air conditioner freezes and heated under low temperature environment under high temperature environment is improved well, reduces energy consumption, and then realize air conditioner
Energy-efficient purpose.
Description of the drawings
Fig. 1 is the structure diagram (refrigeration mode) of the air-conditioner system embodiment one of the present invention；
Fig. 2 is the structure diagram (heating mode) of the air-conditioner system embodiment two of the present invention；
Fig. 3 is the structure diagram of the air-conditioner system embodiment three of the present invention.
Specific embodiment
To make the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to the skill of the present invention
Art scheme is clearly and completely described, it is clear that the embodiment described is the part of the embodiment rather than whole of the present invention
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining the technical principle of the present invention, and
It is not intended to be limiting protection scope of the present invention.
The present invention is directed to improve air conditioner refrigerating/heating effect and reduce energy consumption, for this purpose, air conditioner provided by the invention
System mainly includes compressor, outdoor heat exchanger, indoor heat exchanger, supplementary heat exchanger and injector.Wherein, compressor, outdoor
Heat exchanger, supplementary heat exchanger, indoor heat exchanger and injector form the major loop of refrigerant circulation；Compressor, outdoor heat exchanger/room
The branch circuit of interior heat exchanger, supplementary heat exchanger and injector composition refrigerant circulation；In refrigerating/heating cycle, from compressor stream
The refrigerant part gone out flows into injector along major loop, and another part flows into injector along branch circuit, and two-way refrigerant is in injector
Compressor is flowed back into after interior mixing.
Below by the structure and working principle of specific embodiment the present invention will be described in detail air-conditioner system.
With reference first to Fig. 1, Fig. 1 is the structure diagram of the air-conditioner system embodiment one of the present invention.Arrow direction in Fig. 1
For the flow direction of refrigerant in cooling mode.As shown in Figure 1, air-conditioner system includes：By compressor 1, outdoor heat exchanger 2,
The refrigerant circulation major loop that supplementary heat exchanger 3, indoor heat exchanger 4 and injector 5 form；By compressor 1, outdoor heat exchanger 2, auxiliary
The refrigerant circulation branch circuit that heat exchanger 3 and injector 5 is helped to form.
As an example, the air-conditioner system further includes the first four-way valve 6 for being arranged on major loop and is arranged on branch circuit
Second four-way valve 7.Wherein, the first four-way valve 6 is used to that air-conditioner system to be enable between refrigeration cycle and heating cycle to switch；
The refrigerant that second four-way valve 7 can change in branch circuit flows through direction during supplementary heat exchanger 3.Those skilled in the art easily manage
Solution, as the air-conditioner system of single refrigeration mode, then can save the first four-way valve 6 and the second four-way valve 7.
As an example, the first pipeline S is connected separately between supplementary heat exchanger 3 and outdoor heat exchanger 21With the second pipeline
P1, wherein, the first pipeline S1As the component part of major loop, the second pipeline P1Component part as branch circuit；And first
Pipeline S1Caliber be more than the second pipeline P1Caliber.So, from major loop enter the refrigerant of supplementary heat exchanger 3 with from branch
The refrigerant that circuit enters supplementary heat exchanger 3 can be there are certain temperature difference, so that the refrigerant in two circuits is in supplementary heat exchanger 3
Carry out heat exchange.
As an example, in the first pipeline S1On be provided with the first electric expansion valve a, in supplementary heat exchanger 3 and indoor heat exchange
The second electric expansion valve b is provided on pipeline between device 4.Preferably, in refrigeration cycle, the first electric expansion valve a is in
Full-gear, the second electric expansion valve b are used for the throttling of refrigerant.It will be readily appreciated by those skilled in the art that as single refrigeration
The air-conditioner system of pattern can then save the first electric expansion valve a.
With reference to Fig. 1, the operation principle of the air-conditioner system of the present embodiment is：The refrigerant flowed out from compressor 1 passes through first
Four-way valve 6 exchanges heat into outdoor heat exchanger 2, the refrigerant flowed out from outdoor heat exchanger 2, curb major loop flowing, all the way
It is flowed along branch circuit.Refrigerant in major loop enters auxiliary heat exchanger by the first electric expansion valve a (being at this time full-gear)
3, the refrigerant in branch circuit enters auxiliary heat exchanger 3 by the second four-way valve 7, and two-way refrigerant carries out hot friendship in auxiliary heat exchanger 3
It changes.Here, in order to realize reverse flow heat exchange of the refrigerant in auxiliary heat exchanger 3, adjusted in branch by the second four-way valve 7
Refrigerant enters the flow direction of auxiliary heat exchanger 3 so that along major loop by the refrigerant of supplementary heat exchanger 3 flow direction with along propping up back
Road is opposite by the flow direction of the refrigerant of supplementary heat exchanger 3.The refrigerant in auxiliary heat exchanger 3 can be enable more abundant in this way
Ground exchanges heat.It will be readily appreciated by those skilled in the art that the air-conditioner system as single refrigeration mode, since refrigerant is in master
Loop direction in circuit is fixed, therefore can also save the second four-way valve 7, makes flow direction of the refrigerant in branch circuit
Also it fixes, that is, ensures along major loop by the flow direction of the refrigerant of supplementary heat exchanger 3 with passing through supplementary heat exchanger 3 along branch circuit
Refrigerant flow direction it is opposite.
With continued reference to Fig. 1, the refrigerant flowed out from auxiliary heat exchanger 3 continues to flow along major loop and branch circuit respectively.It leads back
Refrigerant in road gets in heat exchanger 4 after the second electric expansion valve b reducing pressure by regulating flow and exchanges heat, then from indoor heat exchange
The refrigerant that device 4 flows out enters injector 5 as driven fluid；Refrigerant in branch circuit enters injector 5 as flow type pump with injection
Fluid of the body injection from indoor heat exchanger 4.Two-way (major loop and branch circuit) refrigerant flows back into pressure in injector 5 after mixing
Contracting machine 1.
As described above, the air-conditioner system of the present invention increases the supercooling effect of refrigerant using supplementary heat exchanger 3, injection is utilized
Device 5 improves the pressure of inspiration(Pi) of compressor, and then achievees the purpose that be pressurized synergy, improves the effect that air conditioner freezes under high temperature environment
Fruit reduces energy consumption.That is, it is improved after refrigerant enters the pressure of compressor using injector 5, in the cold of compressor output
In the case of matchmaker's pressure is certain, the power that compressor consumes in itself can be reduced；In the situation of compressor consumption equal-wattage, energy
Enough improve the refrigeration effect of air conditioner.
With reference to Fig. 2, Fig. 2 is the structure diagram of the air-conditioner system embodiment two of the present invention.Arrow direction is cold in Fig. 2
The flow direction of matchmaker in a heating mode.As shown in Fig. 2, air-conditioner system includes：By compressor 1, outdoor heat exchanger 2, auxiliary
The refrigerant circulation major loop that heat exchanger 3, indoor heat exchanger 4 and injector 5 form；It is changed by compressor 1, indoor heat exchanger 4, auxiliary
The refrigerant circulation branch circuit that hot device 3 and injector 5 form.
As an example, the air-conditioner system further includes the first four-way valve 6 for being arranged on major loop and is arranged on branch circuit
Second four-way valve 7.Wherein, the first four-way valve 6 is used to that air-conditioner system to be enable between refrigeration cycle and heating cycle to switch；
The refrigerant that second four-way valve 7 can change in branch circuit flows through direction during supplementary heat exchanger 3.Those skilled in the art easily manage
Solution, as the air-conditioner system of single heating mode, then can save the first four-way valve 6 and the second four-way valve 7.
As an example, third pipeline S is connected separately between supplementary heat exchanger 3 and indoor heat exchanger 42With the 4th pipeline
P2, wherein, third pipeline S2As the component part of major loop, the 4th pipeline P2Component part as branch circuit；And third
Pipeline S2Caliber be more than the 4th pipeline P2Caliber.So, from major loop enter the refrigerant of supplementary heat exchanger 3 with from branch
The refrigerant that circuit enters supplementary heat exchanger 3 can be there are certain temperature difference, so that the refrigerant in two circuits is in supplementary heat exchanger 3
Carry out heat exchange.
As an example, the first electric expansion valve a is provided on pipeline between supplementary heat exchanger 3 and outdoor heat exchanger 2,
In third pipeline S2On be provided with the second electric expansion valve b.Preferably, in heating recycles, the second electric expansion valve b is in complete
Open state, the first electric expansion valve a are used for the throttling of refrigerant.It will be readily appreciated by those skilled in the art that as single heating mould
The air-conditioner system of formula can then save the second electric expansion valve b.
With reference to Fig. 2, the operation principle of the air-conditioner system of the present embodiment is：The refrigerant flowed out from compressor 1 passes through first
Four-way valve 6 gets in heat exchanger 4 and exchanges heat, the refrigerant flowed out from indoor heat exchanger 4, curb major loop flowing, all the way
It is flowed along branch circuit.Refrigerant in major loop enters auxiliary heat exchanger by the second electric expansion valve b (being at this time full-gear)
3, the refrigerant in branch circuit enters auxiliary heat exchanger 3 by the second four-way valve 7, and two-way refrigerant carries out hot friendship in auxiliary heat exchanger 3
It changes.Here, in order to realize reverse flow heat exchange of the refrigerant in auxiliary heat exchanger 3, adjusted in branch by the second four-way valve 7
Refrigerant enters the flow direction of auxiliary heat exchanger 3 so that along major loop by the refrigerant of supplementary heat exchanger 3 flow direction with along propping up back
Road is opposite by the flow direction of the refrigerant of supplementary heat exchanger 3.The refrigerant in auxiliary heat exchanger 3 can be enable more abundant in this way
Ground exchanges heat.It will be readily appreciated by those skilled in the art that the air-conditioner system as single heating mode, since refrigerant is in master
Loop direction in circuit is fixed, therefore can also save the second four-way valve 7, makes flow direction of the refrigerant in branch circuit
Also it fixes, that is, ensures along major loop by the flow direction of the refrigerant of supplementary heat exchanger 3 with passing through supplementary heat exchanger 3 along branch circuit
Refrigerant flow direction it is opposite.
With continued reference to Fig. 1, the refrigerant flowed out from auxiliary heat exchanger 3 continues to flow along major loop and branch circuit respectively.It leads back
Refrigerant in road exchanges heat after the first electric expansion valve a reducing pressure by regulating flow into outdoor heat exchanger 2, then from outdoor heat exchange
The refrigerant that device 2 flows out enters injector 5 as driven fluid；Refrigerant in branch circuit enters injector 5 as flow type pump with injection
Fluid of the body injection from outdoor heat exchanger 2.Two-way (major loop and branch circuit) refrigerant flows back into pressure in injector 5 after mixing
Contracting machine 1.
As described above, the air-conditioner system of the present invention increases the supercooling effect of refrigerant using supplementary heat exchanger 3, injection is utilized
Device 5 improves the pressure of inspiration(Pi) of compressor, and then achievees the purpose that be pressurized synergy, improves the effect that air conditioner heats at low ambient temperatures
Fruit reduces energy consumption.That is, it is improved after refrigerant enters the pressure of compressor using injector 5, in the cold of compressor output
In the case of matchmaker's pressure is certain, the power that compressor consumes in itself can be reduced；In the situation of compressor consumption equal-wattage, energy
Enough improve the heating effect of air conditioner.
It should be noted that due under heating operation state, the power of compressor consumption is larger, therefore in heating mode
In air conditioner, the larger injector of selection injection volume to increase pressure when refrigerant enters compressor, plays the mesh for reducing energy consumption
's.
Referring to Fig. 3, Fig. 3 is the structure diagram of the air-conditioner system embodiment three of the present invention.As shown in figure 3, such as
Shown in Fig. 3, air-conditioner system includes：By compressor 1, outdoor heat exchanger 2, supplementary heat exchanger 3, indoor heat exchanger 4 and injector 5
The refrigerant circulation major loop of composition；It is made of compressor 1, outdoor heat exchanger 2,3 and first injector 51 of supplementary heat exchanger cold
Matchmaker recycles the first branch circuit；The refrigerant being made of compressor 1, indoor heat exchanger 4,3 and second injector 52 of supplementary heat exchanger follows
The second branch circuit of ring.Wherein, the injector 5 in the present embodiment is two, and two injectors 5 are the first injector being arranged in parallel
51 and second injector 52, the first injector 51 two kind injectors different for specification from the second injector 52, the first injector
51 are used for refrigeration cycle, and the second injector 52 recycles for heating.In the present embodiment, air-conditioner system, which further includes, is arranged on master
First four-way valve 6 in circuit and the second four-way valve 7 for being arranged on branch circuit.Wherein, the first four-way valve 6 is used to make air-conditioner system
It can switch between refrigeration cycle and heating cycle；The refrigerant that second four-way valve 7 can change in branch circuit flows through auxiliary and changes
Direction during hot device 3.
As an example, the first pipeline S is connected separately between supplementary heat exchanger 3 and outdoor heat exchanger 21With the second pipeline
P1；Third pipeline S is connected separately between supplementary heat exchanger 3 and indoor heat exchanger 42With the 4th pipeline P2.Wherein, the first pipe
Road S1With third pipeline S2 makeFor the component part of major loop, the second pipeline P1With the 4th pipeline P2Composition portion as branch circuit
Point；And the first pipeline S1Caliber be more than the second pipeline P1Caliber, third pipeline S2Caliber be more than the 4th pipeline P2Pipe
Diameter.So, the refrigerant that supplementary heat exchanger 3 is entered from major loop can be deposited with the refrigerant for entering supplementary heat exchanger 3 from branch circuit
In certain temperature difference, so that the refrigerant in two circuits carries out heat exchange in supplementary heat exchanger 3.
As an example, in the first pipeline S1On be provided with the first electric expansion valve a, in the first pipeline S2On be provided with second
Electric expansion valve b.Preferably, in refrigeration cycle, the first electric expansion valve a is shown in a fully open operation, and the second electric expansion valve b is used
In the throttling of refrigerant；In heating recycles, the second electric expansion valve b is shown in a fully open operation, and the first electric expansion valve a is used for refrigerant
Throttling a.
As an example, in the second pipeline P1On be provided with the first shut-off valve c, in the 4th pipeline P2On be provided with the second cut-off
Valve d；Third shut-off valve e1 is provided on the major loop pipeline connected with the first injector 51, the branch connected with the first injector 51
The 4th shut-off valve f1 is provided on circuit lines；The 5th shut-off valve is provided on the major loop pipeline connected with the second injector 52
E2 is provided with the 6th shut-off valve f2 on the branch circuit pipeline connected with the second injector 52.
With continued reference to Fig. 3, in this embodiment, air-conditioner system is made in refrigeration cycle and heating by the first four-way valve 6
Switch between cycle.In refrigeration cycle, the first shut-off valve c, third shut-off valve e1 and the 4th shut-off valve f1 open (opening state
State allows refrigerant to pass through), the second shut-off valve d, the 5th shut-off valve e2 and the 6th shut-off valve f2 are turned off that (closed state does not allow cold
Matchmaker passes through).At this point, refrigerant air-conditioner system cycle it is identical with embodiment one, referring in particular to the sky of foregoing embodiments one
The operation principle of device system is adjusted, details are not described herein.In heating recycles, the second shut-off valve d, the 5th shut-off valve e2 and the 6th section
Only valve f2 opens (opening allows refrigerant to pass through), and the first shut-off valve c, third shut-off valve e1 and the 4th shut-off valve f1 are closed
It closes (closed state does not allow refrigerant to pass through).At this point, refrigerant air-conditioner system cycle it is identical with embodiment two, it is specific to join
According to the operation principle of the air-conditioner system of foregoing embodiments two, details are not described herein.
As described above, the air-conditioner system of the present invention increases the supercooling effect of refrigerant using supplementary heat exchanger 3, and utilize two
Injector (the first injector 51 and the second injector 52, the mass ratio of induced-to-inducing air of the two injectors, the injection pressure of a different size
Etc. differences) switch between low-temperature heating and high-temperature refrigeration, according to the operational mode of air conditioner select corresponding injector come into
Row supercharging, it is practical to adapt to so as to neatly adjust mass ratio of induced-to-inducing air, injection pressure (selecting different injectors)
Refrigeration or heating condition, can preferably improve the effect that air conditioner freezes and heated under low temperature environment under high temperature environment in this way
Fruit reduces energy consumption, and then realizes the efficient purpose of air conditioner energy-saving.
It will be appreciated to those of skill in the art that in addition to this, in the embodiment three, it can also draw using only one
Emitter only needs switching refrigeration mode and during heating mode at this time, make the first shut-off valve c open (closing of the second shut-off valve) or
Person makes the second shut-off valve d open (closing of the first shut-off valve) to realize the purpose being pressurized using injector, can equally play drop
The effect of low energy consumption.For example, adjustable ejector can be used at this time, which can be according to air conditioner
Operational mode adjusts mass ratio of induced-to-inducing air and injection pressure.Such as in cooling mode, smaller injection pressure is adjusted to, in heating mould
Larger injection pressure is adjusted under formula, so as to fulfill the refrigeration of injector flexible adaptation reality or heating condition is utilized
Purpose.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of air-conditioner system, including compressor, outdoor heat exchanger and indoor heat exchanger,
It is characterized in that, the air-conditioner system further includes supplementary heat exchanger and injector,
The compressor, the outdoor heat exchanger, the supplementary heat exchanger, the indoor heat exchanger and injector composition are cold
The major loop of matchmaker's cycle；
The compressor, the outdoor heat exchanger/indoor heat exchanger, the supplementary heat exchanger and injector composition are cold
The branch circuit of matchmaker's cycle；
In refrigerating/heating cycle, the injector is flowed into from a part of refrigerant that the compressor flows out along the major loop,
Another part refrigerant flows into the injector along the branch circuit, and two-way refrigerant flows back into described after being mixed in the injector
Compressor.
2. air-conditioner system according to claim 1, which is characterized in that in refrigerating/heating cycle, along the major loop
Flow direction by the refrigerant of the supplementary heat exchanger and the stream along the branch circuit by the refrigerant of the supplementary heat exchanger
Dynamic direction on the contrary, also,
It can be carried out at the supplementary heat exchanger with the refrigerant flowed along the branch circuit along the refrigerant that the major loop flows
Heat exchange.
3. air-conditioner system according to claim 2, which is characterized in that the air-conditioner system further include be set to it is described
First four-way valve of major loop and second four-way valve of branch circuit is set to, wherein,
First four-way valve is used to that the air-conditioner system to be made between refrigeration cycle and heating cycle to switch；
Second four-way valve flows through the direction of the supplementary heat exchanger for changing the refrigerant in the branch circuit.
4. air-conditioner system according to claim 3, which is characterized in that the supplementary heat exchanger and the outdoor heat exchange it
Between be connected separately with the first pipeline and the second pipeline, component part of first pipeline as the major loop, described second
Component part of the pipeline as the branch circuit, and the caliber of first pipeline is more than the caliber of second pipeline；
And/or it is connected separately with third pipeline and the 4th pipeline, institute between the supplementary heat exchanger and the indoor heat exchange
State component part of the third pipeline as the major loop, component part of the 4th pipeline as the branch circuit, and institute
The caliber for stating third pipeline is more than the caliber of the 4th pipeline.
5. air-conditioner system according to claim 4, which is characterized in that it is swollen to be provided with the first electronics on first pipeline
Swollen valve is provided with the second electric expansion valve on the third pipeline；
In refrigeration cycle, first electric expansion valve is shown in a fully open operation, and second electric expansion valve is for refrigerant
Throttling；
In heating recycles, second electric expansion valve is shown in a fully open operation, and first electric expansion valve is for refrigerant
Throttling.
6. air-conditioner system according to claim 4, which is characterized in that be provided with the first cut-off on second pipeline
Valve is provided with the second shut-off valve on the 4th pipeline；
In refrigeration cycle, first shut-off valve is opened, and second shut-off valve is closed；
In heating recycles, first shut-off valve is closed, and second shut-off valve is opened.
7. air-conditioner system according to any one of claim 1 to 6, which is characterized in that the injector is adjustable
Injector,
The adjustable ejector can adjust mass ratio of induced-to-inducing air and injection pressure according to the operational mode of the air conditioner.
8. air-conditioner system according to any one of claim 1 to 6, which is characterized in that the injector is two, institute
It is the first injector and the second injector being arranged in parallel to state two injectors.
9. air-conditioner system according to claim 7, which is characterized in that first injector and second injector
The two kind injectors different for specification, wherein
First injector is used for refrigeration cycle, and second injector recycles for heating.
10. air-conditioner system according to claim 8, which is characterized in that in refrigeration cycle, at first injector
In channel status, second injector is in off state, the refrigerant in the major loop and the refrigerant in the branch circuit
Enter first injector from different entrances respectively, then flowed out from the outlet of first injector；
In heating recycles, second injector is in channel status, and first injector is in off state, the master
Refrigerant in circuit enters second injector from different entrances respectively from the refrigerant in the branch circuit, then from described
The outlet outflow of second injector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445292.XA CN108224838A (en) | 2017-12-27 | 2017-12-27 | Air-conditioner system |
| PCT/CN2018/102965 WO2019128278A1 (en) | 2017-12-27 | 2018-08-29 | Air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711445292.XA CN108224838A (en) | 2017-12-27 | 2017-12-27 | Air-conditioner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108224838A true CN108224838A (en) | 2018-06-29 |
Family
ID=62648128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711445292.XA Pending CN108224838A (en) | 2017-12-27 | 2017-12-27 | Air-conditioner system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108224838A (en) |
| WO (1) | WO2019128278A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579343A (en) * | 2018-10-29 | 2019-04-05 | 青岛海尔（胶州）空调器有限公司 | Air conditioner and its control method |
| WO2019128278A1 (en) * | 2017-12-27 | 2019-07-04 | 青岛海尔空调电子有限公司 | Air conditioner system |
| CN111435058A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Chip heat exchanger and variable frequency air conditioner |
| CN115339357A (en) * | 2022-08-26 | 2022-11-15 | 上海理工大学 | Battery thermal management and low-voltage air supply type heat pump air conditioner and control method thereof |
| US11578896B2 (en) | 2019-04-18 | 2023-02-14 | Qingdao Haier Air-Conditioning Electronic Co., Ltd | Refrigeration system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747391A (en) * | 2019-10-29 | 2021-05-04 | 青岛海尔空调电子有限公司 | Air conditioning unit and compressor cooling control method thereof |
| CN111306827B (en) * | 2019-12-30 | 2023-08-29 | 冰山冷热科技股份有限公司 | Wide-ring temperature type CO 2 Air source heat pump system |
| CN111006412B (en) * | 2019-12-30 | 2023-08-29 | 冰山冷热科技股份有限公司 | Wide-ring temperature type CO with low-pressure exhaust air cooling 2 Air source heat pump system |
| CN114608848B (en) * | 2020-12-04 | 2024-03-08 | 广东美的暖通设备有限公司 | Method, device, system and storage medium for detecting operation capability of multi-split system |
| CN113418316B (en) * | 2021-06-08 | 2022-06-21 | 瀚润联合高科技发展（北京）有限公司 | Injection enthalpy-increasing water cooling air-cooled heat pump module unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007078318A (en) * | 2005-09-16 | 2007-03-29 | Toshiba Kyaria Kk | Refrigeration cycle device |
| JP2008082693A (en) * | 2006-08-28 | 2008-04-10 | Calsonic Kansei Corp | Refrigerating cycle |
| CN201181146Y (en) * | 2008-04-02 | 2009-01-14 | 中南大学 | Compressing and injecting mixed cycle refrigerating device for electric refrigerator |
| JP2009270785A (en) * | 2008-05-09 | 2009-11-19 | Mitsubishi Electric Corp | Refrigerating cycle device |
| CN205641654U (en) * | 2016-05-10 | 2016-10-12 | 广东美的制冷设备有限公司 | Cascade refrigeration circulation system and have its refrigerating plant |
| CN106288488A (en) * | 2016-08-29 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner system and the control method of air-conditioner system |
| CN107120861A (en) * | 2017-06-14 | 2017-09-01 | 珠海格力电器股份有限公司 | Heat pump |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083587A (en) * | 2001-09-07 | 2003-03-19 | Sanyo Electric Co Ltd | Air conditioner |
| CN104214837B (en) * | 2014-09-19 | 2019-03-12 | 珠海格力电器股份有限公司 | A kind of air-conditioning system |
| CN108224838A (en) * | 2017-12-27 | 2018-06-29 | 青岛海尔空调电子有限公司 | Air-conditioner system |
-
2017
- 2017-12-27 CN CN201711445292.XA patent/CN108224838A/en active Pending
-
2018
- 2018-08-29 WO PCT/CN2018/102965 patent/WO2019128278A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007078318A (en) * | 2005-09-16 | 2007-03-29 | Toshiba Kyaria Kk | Refrigeration cycle device |
| JP2008082693A (en) * | 2006-08-28 | 2008-04-10 | Calsonic Kansei Corp | Refrigerating cycle |
| CN201181146Y (en) * | 2008-04-02 | 2009-01-14 | 中南大学 | Compressing and injecting mixed cycle refrigerating device for electric refrigerator |
| JP2009270785A (en) * | 2008-05-09 | 2009-11-19 | Mitsubishi Electric Corp | Refrigerating cycle device |
| CN205641654U (en) * | 2016-05-10 | 2016-10-12 | 广东美的制冷设备有限公司 | Cascade refrigeration circulation system and have its refrigerating plant |
| CN106288488A (en) * | 2016-08-29 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner system and the control method of air-conditioner system |
| CN107120861A (en) * | 2017-06-14 | 2017-09-01 | 珠海格力电器股份有限公司 | Heat pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128278A1 (en) * | 2017-12-27 | 2019-07-04 | 青岛海尔空调电子有限公司 | Air conditioner system |
| CN109579343A (en) * | 2018-10-29 | 2019-04-05 | 青岛海尔（胶州）空调器有限公司 | Air conditioner and its control method |
| CN111435058A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔空调器有限总公司 | Chip heat exchanger and variable frequency air conditioner |
| US11578896B2 (en) | 2019-04-18 | 2023-02-14 | Qingdao Haier Air-Conditioning Electronic Co., Ltd | Refrigeration system |
| CN115339357A (en) * | 2022-08-26 | 2022-11-15 | 上海理工大学 | Battery thermal management and low-voltage air supply type heat pump air conditioner and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128278A1 (en) | 2019-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108224838A (en) | Air-conditioner system | |
| CN102575882B (en) | Heat pump device | |
| CN104061705B (en) | Two-stage Compression air-conditioning system and its control method | |
| WO2015172612A1 (en) | Air conditioning system | |
| WO2015158138A1 (en) | Refrigeration device | |
| CN108800678B (en) | Air Conditioning System | |
| CN104296413A (en) | Variable frequency low-temperature strong heat air conditioner system | |
| CN106247654B (en) | The multi-functional multi-connected air conditioning system of two control of one kind and its control method | |
| CN106288562A (en) | The defrosting of a kind of air source heat pump system controls devices and methods therefor | |
| CN105972717B (en) | A kind of multi-online air-conditioning system and its control method | |
| CN105333545A (en) | Heat pipe steam compression composite type refrigeration system for air conditioners and provided with ejector | |
| CN102135341A (en) | Capacity-adjustable heat pump air-conditioning system with refrigerant release and enthalpy-adding loops | |
| CN108489134A (en) | Air-conditioning system | |
| CN203964436U (en) | Two-stage Compression air-conditioning system | |
| CN208170776U (en) | A kind of gas compensating type electric automobile heat-pump air-conditioning system | |
| CN104048448B (en) | Injection refrigerating plant, the circulatory system, the apparatus of air conditioning and control method | |
| CN208901671U (en) | A kind of low-temperature air source heat pump unit | |
| CN208536432U (en) | Air-conditioning system | |
| CN109059335A (en) | A kind of low-temperature air source heat pump unit | |
| CN108168139A (en) | A kind of gas compensating type electric automobile heat-pump air-conditioning system | |
| CN201314726Y (en) | Parallel flow air conditioner | |
| CN208124664U (en) | A kind of superposition type super low temperature heat pump water chiller-heater unit | |
| CN207702631U (en) | Air conditioner cooling cycle system and air conditioner | |
| CN205208807U (en) | Take idle call heat pipe vapour compression combined type refrigerating plant of sprayer | |
| CN212362485U (en) | Heat pump system with double suction and exhaust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
|
| RJ01 | Rejection of invention patent application after publication |