CN207015109U - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
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- CN207015109U CN207015109U CN201720475901.5U CN201720475901U CN207015109U CN 207015109 U CN207015109 U CN 207015109U CN 201720475901 U CN201720475901 U CN 201720475901U CN 207015109 U CN207015109 U CN 207015109U
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Abstract
The utility model discloses a kind of air-conditioning system, including：Compressor, four-way valve, outdoor heat exchanger, drying device and two or more indoor heat exchanger；Wherein, two or more indoor heat exchanger and outdoor heat exchanger, adaptation are connected in the refrigerant circulation circuit of compressor；Drying device, setting is adapted to at least one indoor heat exchanger；At least one indoor heat exchanger, including：First indoor heat exchanger；In two or more indoor heat exchanger, in addition to：Second indoor heat exchanger；In first to fourth valve port of four-way valve, the first valve port is adapted to the exhaust end for being connected to compressor, and the second valve port adaptation is connected to the first indoor heat exchanger, and the 3rd valve port adaptation is connected to outdoor heat exchanger, and the 4th valve port adaptation is connected to the second indoor heat exchanger.Scheme of the present utility model, can overcome in the prior art heat exchange property is poor, high-low pressure than high and poor user experience the defects of, realize the beneficial effect that heat exchange property is good, high-low pressure is better than low and Consumer's Experience.
Description
Technical field
The utility model belongs to technical field of heat pumps, and in particular to a kind of air-conditioning system, more particularly to one kind have drying
The control process of the pure electric vehicle of function heat exchanger efficient air-conditioning system and the pure electric vehicle efficient air-conditioning system.
Background technology
It pure electric vehicle, can refer to, using vehicle power as power, be travelled with power wheel, meet road traffic, peace
The vehicle of full regulation requirements.The interior space of pure electric vehicle is limited, it is desirable to air conditioner structure is compact so that air-conditioning to reach compared with
High-performance is extremely difficult.For electric car, summer, continual mileage was reduced to 70% because air-conditioning system is run；Winter because
Air-conditioning system is run, and continual mileage is reduced to 50%.
Therefore, the efficiency for improving air-conditioning is significant to electric car distance travelled.With the environmental regulation of automobile-used refrigerant
It is required that some environmentally friendly refrigerants (such as：R744 refrigerants) because refrigeration performance it is general so that it is restricted in vehicle systems use.
In the prior art, exist heat exchange property is poor, high-low pressure than high and poor user experience the defects of.
Utility model content
The purpose of this utility model is, for drawbacks described above, there is provided a kind of air-conditioning system, to solve to change in the prior art
There is the problem of latent heat causes the heat exchange property of unit to reduce in hot device heat exchange, reach the effect of lifting heat exchange property.
The utility model provides a kind of air-conditioning system, including：Compressor, four-way valve, outdoor heat exchanger, drying device and two
Individual above indoor heat exchanger；Wherein, indoor heat exchanger described in two or more and the outdoor heat exchanger, adaptation are connected to described in
The exhaust end of compressor is into the refrigerant circulation circuit between the suction end of the compressor；The drying device, with two with
At least one indoor heat exchanger adaptation in the upper indoor heat exchanger is set；At least one indoor heat exchanger,
Including：First indoor heat exchanger；In indoor heat exchanger described in two or more, in addition to first indoor heat exchanger, in addition to：The
Two indoor heat exchangers；In first to fourth valve port of the four-way valve, the first valve port is adapted to the row for being connected to the compressor
Gas end, the second valve port adaptation are connected to first indoor heat exchanger, and the 3rd valve port adaptation is connected to the outdoor heat exchanger, the
Four valve ports adaptation is connected to second indoor heat exchanger.
Alternatively, in addition to：First triple valve and the second triple valve；Wherein, the first to of first triple valve
In three valve ports, the first valve port is adapted to the suction end for being connected to the compressor, and it is indoor that the second valve port adaptation is connected to described first
Heat exchanger, the 3rd valve port adaptation are connected to the outdoor heat exchanger；In the first to the 3rd valve port of second triple valve, the
One valve port is adapted to the suction end for being connected to the compressor, and the second valve port, which is adapted to, is connected to second indoor heat exchanger, and the 3rd
Valve port adaptation is connected to the outdoor heat exchanger.
Alternatively, in addition to：First throttle element and the second restricting element；Wherein, the first throttle element, adaptation are set
It is placed in from the exhaust end of the compressor into the pipeline between the outdoor heat exchanger and is set close to the outdoor heat exchanger
Put；Second restricting element, the pipeline being adapted between being arranged at from the outdoor heat exchanger to the suction end of the compressor
In and close to the outdoor heat exchanger set.
Alternatively, wherein, when the system operational mode for the first refrigeration mode, heating mode, defrost pattern extremely
It is few that first and second valve port and third and fourth valve port of the four-way valve are respectively communicated with for the moment, first triple valve second and third
Valve port connects, the first and second valve port connection of second triple valve；When the operational mode of the system is the second refrigeration mode
When, first, fourth valve port and second and third valve port of the four-way valve are respectively communicated with, and first and second valve port of first triple valve connects
It is logical, second and third valve port connection of second triple valve；And/or when the system operational mode for the first refrigeration mode,
When at least one of the second refrigeration mode, defrost pattern, the flow aperture of the first throttle element is its upper threshold；Work as institute
When the operational mode for stating system is heating mode, the flow aperture of second restricting element is its upper threshold.
Alternatively, at least one of the first throttle element, described second restricting element, including：Electric expansion valve and/
Or capillary.
Alternatively, in addition to：Controller；The controller, respectively with the four-way valve, first triple valve, described
At least one of second triple valve, the first throttle element and described second restricting element adaptation are set, in the first system
Under any current refrigeration pattern in chill formula, the second refrigeration mode, it is determined that being fitted with the evaporator under the current refrigeration pattern
The moisture that the drying device matched somebody with somebody absorbs whether saturation；, will be described current when the water saturation that the drying device absorbs
Refrigeration mode switches to another refrigeration mode in the first refrigeration mode, the second refrigeration mode；Wherein, the evaporator, specifically
For：In first indoor heat exchanger and second indoor heat exchanger, positioned at from the outdoor heat exchanger to the compressor
Suction end between pipeline in indoor heat exchanger.
Alternatively, in addition to：Humidity detector；The humidity detector, it is adapted to and sets with the air outlet of the system
Put, under the current refrigeration pattern, detecting the inner side air-out humidity of the system；The controller, also with it is described wet
Spend detection means adaptation to set, for based on the inner side air-out humidity, determining whether the inner side air-out humidity reaches default
Humidity；And when the inner side air-out humidity reaches the default humidity, it is determined that with the evaporation under the current refrigeration pattern
The water saturation that the drying device of device adaptation absorbs.
Alternatively, in addition to：The time detection device of association is adapted to the unit operation of the air-conditioning system；The time
Detection means, setting is adapted to the compressor, for when the current refrigeration pattern starts, detecting the current refrigeration mould
The operation duration of formula；The controller, setting also is adapted to the time detecting module, for whether determining the operation duration
Reach preset duration；And when the operation duration reaches the preset duration, pair with the steaming under the current refrigeration pattern
Whether saturation is determined the moisture that the drying device of hair device adaptation absorbs.
Alternatively, in addition to：Blower fan and air-valve；The blower fan, setting is adapted to the drying device, for described dry
Drying is blowed in the moisture that dry device absorbs；The air-valve, setting is adapted to the blower fan, for adjusting the blower fan to institute
State drying device and dry air output is blowed；The controller, also respectively with the blower fan and the air-valve at least it
One adaptation set, for absorbed when the drying device water saturation when, start the blower fan；And/or control the air-valve
Air quantity aperture.
Alternatively, in addition to：Gas-liquid separator；The gas-liquid separator, adaptation are arranged at from the outdoor heat exchanger extremely
Set in pipeline between the suction end of the compressor and close to the suction end of the compressor.
Alternatively, the drying device, including：At least one of drier module, drier coating；Wherein, it is described dry
Drying prescription module, adaptation are arranged at the preset range of at least one of first indoor heat exchanger, second indoor heat exchanger
It is interior；The drier coating, adaptation are pasted at least one of first indoor heat exchanger, second indoor heat exchanger
Surface；And/or the compressor, including：At least one of single-stage compressor, double-stage compressor.
Scheme of the present utility model, by adaptation be arranged at heat exchanger (such as：In-car heat exchanger) drier coating, can
First moisture in air is absorbed, avoids latent heat from exchanging heat, improves evaporating temperature, condensation temperature is reduced, particularly improves system high temperature
Refrigerating capacity and efficiency.
Further, scheme of the present utility model, by three heat exchanger air conditioner systems, refrigeration mode two heat exchangers are used for cutting
Change, cooling system Performance And Reliability can be improved；Improved because condensation temperature reduces with evaporating temperature, i.e. high pressure reduction and low pressure
Rise, so that coolant system high-low pressure improves compressor efficiency and extend the compressor life-span than reducing.
Further, scheme of the present utility model, by three heat exchanger air conditioner systems, commutation is not required to during defrost and is not stopped
Machine, improve thermal comfort.
Thus, scheme of the present utility model, the drier coating of indoor heat exchanger is arranged at by adaptation, can be first to air
Middle moisture absorption solves heat exchanger heat exchange in the prior art and latent heat be present to cause the heat exchange property of unit to drop to avoid latent heat from exchanging heat
The problem of low, so as to, overcome in the prior art heat exchange property is poor, high-low pressure than high and poor user experience the defects of, realize and exchange heat
The beneficial effect that performance is good, high-low pressure is better than low and Consumer's Experience.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 be air-conditioning system of the present utility model (such as：The three heat exchanger single-stage air-conditioning systems with drier) one
The structural representation of embodiment；
Fig. 2 be air-conditioning system of the present utility model (such as：Car air-conditioner) an embodiment the first refrigeration mode structure
Schematic diagram；
Fig. 3 be air-conditioning system of the present utility model (such as：Car air-conditioner) an embodiment the second refrigeration mode structure
Schematic diagram；
Fig. 4 be air-conditioning system of the present utility model (such as：Car air-conditioner) an embodiment heating mode structural representation
Figure；
Fig. 5 be air-conditioning system of the present utility model (such as：Car air-conditioner) an embodiment defrost pattern structural representation
Figure；
Fig. 6 be air-conditioning system of the present utility model (such as：Car air-conditioner) an embodiment air channel structure schematic diagram；
Fig. 7 is the principle schematic of an embodiment of the control process of air-conditioning system of the present utility model；
Fig. 8 judges the principle signal of an embodiment of processing for saturation in the control process of air-conditioning system of the present utility model
Figure；
Fig. 9 judges the principle signal of an embodiment of processing for the time in the control process of air-conditioning system of the present utility model
Figure.
With reference to accompanying drawing, reference is as follows in the utility model embodiment：
1- compressors；2- four-way valves；The indoor heat exchangers of 3- first；The triple valves of 4- first；The electric expansion valves of 5- first；6- rooms
External heat exchanger；The electric expansion valves of 7- second；The indoor heat exchangers of 8- second；The triple valves of 9- second；10- gas-liquid separators；11-
One air-valve；The blower fans of 12- first；The blower fans of 13- second；The air-valves of 14- second.
Embodiment
It is specific below in conjunction with the utility model to make the purpose of this utility model, technical scheme and advantage clearer
Technical solutions of the utility model are clearly and completely described for embodiment and corresponding accompanying drawing.Obviously, described embodiment
Only it is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model
The scope of protection.
In traditional air-conditioning system refrigeration, the heat exchange of evaporator includes latent heat and sensible heat two parts, due to depositing for latent heat
So that the part cold of refrigerant wastes, set heat exchange performance is being reduced.For the technical problem, according to reality of the present utility model
Apply example, there is provided a kind of air-conditioning system, the structural representation of an embodiment of system of the present utility model as shown in Figure 1.The sky
Adjusting system can include：Compressor 1, four-way valve 2, two or more indoor heat exchanger, outdoor heat exchanger 6 and drying device.
Wherein, indoor heat exchanger described in two or more and the outdoor heat exchanger (6), adaptation are connected to from the compressor
1 exhaust end is into the refrigerant circulation circuit between the suction end of the compressor 1.
Alternatively, the compressor, can include：At least one of single-stage compressor, double-stage compressor.
Such as：The air-conditioning system is applicable the compression circulatory system such as single-stage and twin-stage.
Such as：For single stage compression circulating system, the example shown in Fig. 1 to Fig. 5 may refer to.
Such as：Two-stage compression cycle system, only it is this part of compressor difference compared with single stage compression circulating system, it is cold
Control mode of the matchmaker in heat exchanger is the same, be will not be repeated here.
Thus, by being adapted to a variety of compression circulatory systems, the scope of application of the air-conditioning system, versatility can be lifted
By force.
In an optional example, at least one institute in the drying device, with indoor heat exchanger described in two or more
Indoor heat exchanger adaptation is stated to set；At least one indoor heat exchanger, including：First indoor heat exchanger 3；Two or more institute
State in indoor heat exchanger, in addition to first indoor heat exchanger 3, in addition to：Second indoor heat exchanger 8.
Such as：The air-conditioning system, using three heat exchangers (such as：First indoor heat exchanger 3, the and of the second indoor heat exchanger 8
Outdoor heat exchanger 6).
Such as：The drying device, with first indoor heat exchanger 3, second indoor heat exchanger 8 at least it
One adaptation is set.
Such as：First indoor heat exchanger 3, can be the first in-car side heat exchanger with drier coating.In second Room
Heat exchanger 8, can be the second in-car side heat exchanger with drier coating.Outdoor heat exchanger 6, can be exchanged heat on the outside of car
Device.
Alternatively, the drying device, can include：At least one of drier module, drier coating.
In an optional specific example, the drier module, adaptation be arranged at away from first indoor heat exchanger 3,
In the preset range of at least one of second indoor heat exchanger 8.
In an optional specific example, the drier coating, adaptation is pasted on first indoor heat exchanger 3, institute
State the surface of at least one of the second indoor heat exchanger 8.
Such as：The drier coating, first indoor heat exchanger 3 can be coated in advance, in the second Room
The surface of at least one of heat exchanger 8.
Such as：First indoor heat exchanger 3 and the second indoor heat exchanger 8, with drier coating.Wherein, drier rises
Acted on to adsorption moisture, avoid latent heat from exchanging heat, improve the evaporating temperature of evaporator, heat exchanger structure is compacter, so as to system
Cycle efficieny improves.
Alternatively, the first indoor heat exchanger 3 and the second indoor heat exchanger 8, can include：Fin.In any indoor heat exchange
On the fin surface of device, it can be adapted to and be provided with drier coating.Such as：The drier coating material, can include：Silica gel-
Lithium chloride drying mixt etc..
Thus, the drying device of indoor heat exchanger is arranged at by diversified forms adaptation so that the setting side of drying device
Formula is more flexible, and property easy to use is more preferable.
In an optional example, in first to fourth valve port of the four-way valve 2, the first valve port adaptation is connected to institute
The exhaust end of compressor 1 is stated, the second valve port adaptation is connected to first indoor heat exchanger 3, and the 3rd valve port adaptation is connected to institute
Outdoor heat exchanger 6 is stated, the 4th valve port adaptation is connected to second indoor heat exchanger 8.
Such as：Referring to the example shown in Fig. 2 and Fig. 3, the refrigeration mode of car air-conditioner, can include：First refrigeration mode
With the second refrigeration mode.First refrigeration mode and the second refrigeration mode can be with random starts, order in no particular order.
Such as：In three heat exchangers, the drier coating that simply two indoor heat exchangers carry during refrigeration mode is dry
Dry effect, in heating mode, drier coating does not work.
Thus, by being adapted to the drying device set with heat exchanger, latent heat can be avoided to exchange heat, improves refrigerating efficiency；It is logical
Cross three heat exchangers, during refrigeration two heat exchangers switching can improve cooling system Performance And Reliability；Defrost, which is not shut down, not to be influenceed to relax
Adaptive.
In an optional embodiment, it can also include：First triple valve 4 and the second triple valve 9.
In an optional example in the first to the 3rd valve port of first triple valve 4, the adaptation connection of the first valve port
To the suction end of the compressor 1, the second valve port adaptation is connected to first indoor heat exchanger 3, the adaptation connection of the 3rd valve port
To the outdoor heat exchanger 6.
In an optional example in the first to the 3rd valve port of second triple valve 9, the adaptation connection of the first valve port
To the suction end of the compressor 1, the second valve port adaptation is connected to second indoor heat exchanger 8, the adaptation connection of the 3rd valve port
To the outdoor heat exchanger 6.
Wherein, when the system operational mode for the first refrigeration mode (such as：It may refer to the first system shown in Fig. 2
Chill formula), heating mode (such as：May refer to the heating mode shown in Fig. 4), defrost pattern (such as：It may refer to Fig. 5 institutes
The defrost pattern shown) at least one of when, first and second valve port and third and fourth valve port of the four-way valve 2 are respectively communicated with, described
Second and third valve port connection of first triple valve 4, the first and second valve port connection of second triple valve 9.
And when the system operational mode for the second refrigeration mode (such as：It may refer to the second refrigeration mould shown in Fig. 3
Formula) when, first, fourth valve port and second and third valve port of the four-way valve 2 are respectively communicated with, and the first and second of first triple valve 4
Valve port connects, second and third valve port connection of second triple valve 9.
Such as：For car air-conditioner, because interior space is limited, 3 heat exchangers are the most suitable.Wherein, it is in-car to set two
The purpose of individual heat exchanger is：
(1) refrigeration mode two heat exchangers are used for switching.
(2) under heating mode, because inner side heats, sensible heat is only had during heat exchange, as traditional system, drier does not have
There is effect.
Such as：During heating, in-car heat exchanger 8 is controlled without air-supply into the car by air-valve, therefore heat exchange amount is seldom, no
Influence vehicle interior temperature.
(3) in defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electric expansion valve 7)
Jointly control, the heat exchanger of inner side one still heating load, partial heat is used for outside heat exchanger defrosting, utilizes another in-car heat exchange
Device is as evaporator so that unit, which is realized, does not shut down defrost, more saves and comfortable.
Example shown in Figure 4, the running of the heating mode of car air-conditioner, it can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, air by heat exchanger (such as：First indoor heat exchanger 3) condensing heat-exchange, provide heat to in-car.
(2) gas-liquid two-phase low temperature refrigerant is formed after the throttling of the first electric expansion valve 5, is evaporated into outdoor heat exchanger 6, then
Enter the second indoor heat exchanger 8 by the control of four-way valve 2.
Wherein, the standard-sized sheet of the second electric expansion valve 7.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Heating circulation.
In an optional embodiment, example shown in Figure 5, the running of the defrost pattern of car air-conditioner,
It can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, first passes through the first indoor heat exchange
Device 3 gives in-car heat supply, enters back into outdoor heat exchanger 6 and carries out defrost.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) formed after the throttling of the second electric expansion valve 7 gas-liquid two-phase low temperature refrigerant (such as：Gas-liquid two-phase low temperature cold
Matchmaker), then control into the second indoor heat exchanger 8 and evaporate by four-way valve 2.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Defrost is circulated, and whole process is shut down without the commutation of four-way valve 2 and compressor 1, does not influence in-car comfortableness.
It can be seen that during defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electronics are swollen
Swollen valve 7) jointly control, be not required to four-way valve 2 commutation and compressor 1 shut down, do not influence heat comfortableness.
Thus, by being adapted to two triple valves set with two indoor heat exchangers respectively, it is possible to achieve two refrigeration moulds
The switching of formula, and then the refrigerating efficiency and operational reliability of lifting system.
In an optional embodiment, it can also include：First throttle element and the second restricting element.
In an optional example, the first throttle element, adaptation is arranged at from the exhaust end of the compressor 1 to institute
State in the pipeline between outdoor heat exchanger 6 and set close to the outdoor heat exchanger 6.
In an optional example, second restricting element, adaptation is arranged at from the outdoor heat exchanger 6 to described
Set in pipeline between the suction end of compressor 1 and close to the outdoor heat exchanger 6.
Wherein, when the system operational mode for the first refrigeration mode, the second refrigeration mode, defrost pattern at least it
For the moment, the flow aperture of the first throttle element is its upper threshold.And when the operational mode of the system is heating mode
When, the flow aperture of second restricting element is its upper threshold.By the control structure under different operational modes, can make
It is more convenient to control, and reliability is higher.
Thus, restricting element in the lateral line of outdoor heat exchanger two is arranged at by adaptation, can be under aspect different mode
Cold medium flux control, the reliability of control is high, and convenience is good.
Alternatively, at least one of the first throttle element, described second restricting element, can include：Electronic expansion
Valve and/or capillary.
Such as：The first throttle element, can include：First electric expansion valve 5.Second restricting element, can be with
Including：Second electric expansion valve 7.
Thus, by the restricting element of diversified forms, property easy to use and flexibility can be lifted.
In an optional embodiment, it can also include：Controller.
In an optional example, the controller, respectively with the four-way valve 2, first triple valve 4, described
At least one of two triple valves 9, the first throttle element and described second restricting element adaptation are set, and can be used for first
Under any current refrigeration pattern in refrigeration mode, the second refrigeration mode, it is determined that with the evaporator under the current refrigeration pattern
Adaptation the drying device absorb moisture whether saturation.When the water saturation that the drying device absorbs, described will work as
Preceding refrigeration mode switches to another refrigeration mode in the first refrigeration mode, the second refrigeration mode.
Wherein, the evaporator, it is specially：In first indoor heat exchanger 3 and second indoor heat exchanger 8, position
Indoor heat exchanger in the pipeline between from the outdoor heat exchanger 6 to the suction end of the compressor 1.
Such as：Example shown in Figure 2, the running of the first refrigeration mode of car air-conditioner, can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, then the condensation supercooling of outdoor heat exchanger 6 is entered by the first triple valve 4.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) refrigerant of supercooling, gas-liquid two-phase low temperature refrigerant is formed after the throttling of the second electric expansion valve 7, then by four-way
The control of valve 2 enters the evaporation and heat-exchange of the second indoor heat exchanger 8, air by heat exchanger (such as：Second indoor heat exchanger 8) face coat
Dry and absorb moisture, then exchanged heat with refrigerant evaporation, cold is provided to in-car.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Kind of refrigeration cycle.
Alternatively, the controller, can be also used for controlling the four-way valve 2, first triple valve 4, described second
The connection or disconnection of any two valve port at least one of triple valve 9, and/or, control the first throttle element and described
The flow aperture of at least one of second restricting element, to realize the switching of the operational mode of the system.
Thus, set, current refrigeration pattern can be monitored by the adaptation of controller, and it is real when needing switching
The automatic switchover of existing two refrigeration modes, accuracy is good, and reliability is high.
In an optional embodiment, it can also include：Humidity detector.
In an optional example, the humidity detector, setting is adapted to the air outlet of the system, can be used for
Under the current refrigeration pattern, the inner side air-out humidity of the system is detected.
In an optional example, the controller, setting also is adapted to the humidity detector, can be used for being based on
The inner side air-out humidity, determines whether the inner side air-out humidity reaches default humidity.And when the inner side air-out humidity
When reaching the default humidity, it is determined that the water that the drying device being adapted to the evaporator under the current refrigeration pattern absorbs
Divide saturation.
Such as：The drying device that the controller determines to be adapted to the evaporator under the current refrigeration pattern absorbs
Moisture whether saturation, can include：Based on the inner side air-out humidity, determine whether the inner side air-out humidity reaches default
Humidity, when the inner side air-out humidity reaches the default humidity, it is determined that being fitted with the evaporator under the current refrigeration pattern
The water saturation that the drying device matched somebody with somebody absorbs to the current refrigeration pattern, it is necessary to switch over.
Thus, set by the adaptation of humidity detector, can more accurately obtain the inner side air-out humidity of system, have
Beneficial to the promptness and reliability of two refrigeration mode switchings of lifting.
In an optional embodiment, it can also include：Be adapted to the unit operation of the air-conditioning system association when
Between detection means.
In an optional example, the time detection device, setting is adapted to the compressor 1, can be used in institute
When stating the startup of current refrigeration pattern, the operation duration of the current refrigeration pattern is detected.
In an optional example, the controller, setting also is adapted to the time detecting module, is determined for
Whether the operation duration reaches preset duration；And when the operation duration reaches the preset duration, pair with it is described work as
Whether saturation is determined the moisture that the drying device of evaporator adaptation under preceding refrigeration mode absorbs.
Such as：Example shown in Figure 3, the running of the second refrigeration mode of car air-conditioner are：Work as startup optimization
Time t>After 10~20min, by internal side air-out humidity (such as：Inner side air-out humidity>60~80%) detection, judge to exchange heat
Device (i.e. the second indoor heat exchanger 8) face coat absorb water whether saturation, if reaching saturation, need carry out the first refrigeration mode and
The switching of second refrigeration mode.The running specifically switched is as follows：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, is switched by four-way valve 2, by being changed in second Room
Hot device 8, it is dried, then enters the condensation supercooling of outdoor heat exchanger 6 by the control of the second triple valve 9.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) refrigerant of supercooling, gas-liquid two-phase low temperature refrigerant is formed after the throttling of the second electric expansion valve 7, then by four-way
Valve 2 switches into the evaporation and heat-exchange of the first indoor heat exchanger 3, and air is dried by the coating on the surface of the first indoor heat exchanger 3 absorbs water
Point, then exchanged heat with refrigerant evaporation, in-car offer cold is provided.
(3) enter low pressure through the control of the first triple valve 4, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Kind of refrigeration cycle.
Similarly, if the first indoor heat exchanger 3 absorbs moisture and reaches saturation, then it is switched to the first refrigeration mode.That is,
First refrigeration mode and the second refrigeration mode perform at random, i.e.,：First carry out any one refrigeration mode can, one has saturation to show
As when be switched to another.
Thus, the adaptation of passage time detection means is set, and the water suction degree of saturation to drying device can needed to enter
Just detected during row detection, on the one hand the accuracy of detection is good, and reliability is high；On the other hand detection shape need not be constantly in
State and waste the energy, the feature of environmental protection is good.
In an optional embodiment, it can also include：Blower fan and air-valve.
In an optional example, the blower fan, setting is adapted to the drying device, can be used for the dry dress
Drying is blowed in the moisture for putting absorption.
In an optional example, the air-valve, setting is adapted to the blower fan, can be used for adjusting the blower fan to institute
State drying device and dry air output is blowed.
In an optional example, the controller, also it is adapted to respectively with least one of the blower fan and the air-valve
Set, can be used for, when the water saturation that the drying device absorbs, starting the blower fan.And/or control the air-valve
Air quantity aperture.
Such as：When the water absorption of the drying device is more than preset value, the air output is increased.When the drying device
Water absorption when being less than preset value, reduce the air output.
Such as：Two inner side heat exchanger (such as：First indoor heat exchanger 3 and the second indoor heat exchanger 8) use rotation side
Formula, being controlled with reference to air-valve, the heat exchange temperature of one side adsorption moisture is relatively low, and high temperature refrigerant absorbs this part cold after switching,
So as to reduce condenser temperature；On the other hand heat exchanger desiccation is played with maximum, so as to improve unit refrigeration gross efficiency.
Thus, by being adapted to the blower fan and air-valve that set, appropriate drying process can be carried out to drying device, and then favorably
Drying device is to the assimilation effect of moisture in air in being lifted under refrigeration mode, and preferably to lift refrigerating efficiency, reliability is more
It is high.
In an optional embodiment, it can also include：Gas-liquid separator 10.
In an optional example, the gas-liquid separator 10, adaptation is arranged at from the outdoor heat exchanger 6 to described
Set in pipeline between the suction end of compressor 1 and close to the suction end of the compressor 1.
Thus, by being adapted to the gas-liquid separator set, be advantageous to lift the purity that compressor air suction end absorbs gas, enter
And lifting system reliability of operation and security.
Through substantial amounts of verification experimental verification, using the technical scheme of the present embodiment, by adaptation be arranged at heat exchanger (such as：Room
Interior heat exchanger) drier coating, can first to moisture in air absorb, avoid latent heat from exchanging heat, improve evaporating temperature, reduce condensation
Temperature, particularly improve system high temperature refrigerating capacity and efficiency.
According to embodiment of the present utility model, a kind of control process of air-conditioning system corresponding to air-conditioning is additionally provided, such as
The principle schematic of one embodiment of method of the present utility model shown in Fig. 7.The air-conditioning can include：
At step S110, when the operational mode of above-described air-conditioning system includes the first refrigeration mode and the second refrigeration
During pattern, under any current refrigeration pattern in first refrigeration mode, second refrigeration mode, it is determined that working as with described
Under preceding refrigeration mode evaporator adaptation the drying device absorb moisture whether saturation.
Wherein, the evaporator, it is specially：In first indoor heat exchanger 3 and second indoor heat exchanger 8, position
Indoor heat exchanger in the pipeline between from the outdoor heat exchanger 6 to the suction end of the compressor 1.
Such as：Example shown in Figure 2, the running of the first refrigeration mode of car air-conditioner, can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, then the condensation supercooling of outdoor heat exchanger 6 is entered by the first triple valve 4.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) refrigerant of supercooling, gas-liquid two-phase low temperature refrigerant is formed after the throttling of the second electric expansion valve 7, then by four-way
The control of valve 2 enters the evaporation and heat-exchange of the second indoor heat exchanger 8, air by heat exchanger (such as：Second indoor heat exchanger 8) face coat
Dry and absorb moisture, then exchanged heat with refrigerant evaporation, cold is provided to in-car.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Kind of refrigeration cycle.
, can saturation in the control process of air-conditioning system of the present utility model with reference to shown in Fig. 8 in an optional example
The principle schematic of an embodiment of processing is judged, under the determination and the current refrigeration pattern that further illustrate step S110
Evaporator adaptation the drying device absorb moisture whether the process of saturation.
Step S210, when the air-conditioning system can also include humidity detector, by the humidity detector,
Under the current refrigeration pattern, the inner side air-out humidity of the system is detected.
Step S220, based on the inner side air-out humidity, determine whether the inner side air-out humidity reaches default humidity.With
And
Step S230, when the inner side air-out humidity reaches the default humidity, it is determined that with the current refrigeration pattern
Under evaporator adaptation the drying device absorb water saturation.
At step S120, when the water saturation that the drying device absorbs, it is by the current refrigeration pattern switching
Another refrigeration mode in first refrigeration mode, the second refrigeration mode.
Thus, set, current refrigeration pattern can be monitored by the adaptation of controller, and it is real when needing switching
The automatic switchover of existing two refrigeration modes, accuracy is good, and reliability is high.
In an optional embodiment, it can also include：Time judges the step of processing.
It is alternatively possible to the time judges processing in the control process of air-conditioning system of the present utility model with reference to shown in Fig. 9
The principle schematic of one embodiment, further illustrate that the time judges the detailed process of processing.
Step S310, when the air-conditioning system can also include time detection device, by the time detection device,
When the current refrigeration pattern starts, the operation duration of the current refrigeration pattern is detected.
Step S320, determines whether the operation duration reaches preset duration.And
Step S330, when the operation duration reaches the preset duration, pair with the steaming under the current refrigeration pattern
Whether saturation is determined the moisture that the drying device of hair device adaptation absorbs.
Such as：Example shown in Figure 3, the running of the second refrigeration mode of car air-conditioner are：Work as startup optimization
Time t>After 10~20min, by internal side air-out humidity (such as：Inner side air-out humidity>60~80%) detection, judge to exchange heat
Device (i.e. the second indoor heat exchanger 8) face coat absorb water whether saturation, if reaching saturation, need carry out the first refrigeration mode and
The switching of second refrigeration mode.
Thus, set by the adaptation of humidity detector, can more accurately obtain the inner side air-out humidity of system, have
Beneficial to the promptness and reliability of two refrigeration mode switchings of lifting.
In an optional embodiment, it can also include：When the air-conditioning system can also include blower fan and air-valve,
By the blower fan, when the water saturation that the drying device absorbs, drying is blowed to the drying device；And pass through
The air-valve, adjust the blower fan and the drying device is blowed dry air output.
Such as：When the water absorption of the drying device is more than preset value, the air output is increased.When the drying device
Water absorption when being less than preset value, reduce the air output.
Such as：Two inner side heat exchanger (such as：First indoor heat exchanger 3 and the second indoor heat exchanger 8) use rotation side
Formula, being controlled with reference to air-valve, the heat exchange temperature of one side adsorption moisture is relatively low, and high temperature refrigerant absorbs this part cold after switching,
So as to reduce condenser temperature；On the other hand heat exchanger desiccation is played with maximum, so as to improve unit refrigeration gross efficiency.
Thus, by being adapted to the blower fan and air-valve that set, appropriate drying process can be carried out to drying device, and then favorably
Drying device is to the assimilation effect of moisture in air in being lifted under refrigeration mode, and preferably to lift refrigerating efficiency, reliability is more
It is high.
In an optional embodiment, it can also include：When the air-conditioning system can also include the first triple valve 4,
During the second triple valve 9, when the operational mode of the air-conditioning system also includes at least one of heating mode, defrost pattern, if
When the operational mode of the air-conditioning system is at least one of the first refrigeration mode, heating mode, defrost pattern, the four-way valve
2 first and second valve port is respectively communicated with third and fourth valve port, second and third valve port connection of first triple valve 4, and described second
The first and second valve port connection of triple valve 9.
Alternatively, when the operational mode of the air-conditioning system is the second refrigeration mode, the first, fourth of the four-way valve 2
Valve port is respectively communicated with second and third valve port, the first and second valve port connection of first triple valve 4, second triple valve 9
Second and third valve port connects.
Such as：For car air-conditioner, because interior space is limited, 3 heat exchangers are the most suitable.Wherein, it is in-car to set two
The purpose of individual heat exchanger is：
(1) refrigeration mode two heat exchangers are used for switching.
(2) under heating mode, because inner side heats, sensible heat is only had during heat exchange, as traditional system, drier does not have
There is effect.
(3) in defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electric expansion valve 7)
Jointly control, the heat exchanger of inner side one still heating load, partial heat is used for outside heat exchanger defrosting, utilizes another in-car heat exchange
Device is as evaporator so that unit, which is realized, does not shut down defrost, more saves and comfortable.
Example shown in Figure 4, the running of the heating mode of car air-conditioner, it can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, air by heat exchanger (such as：First indoor heat exchanger 3) condensing heat-exchange, provide heat to in-car.
(2) gas-liquid two-phase low temperature refrigerant is formed after the throttling of the first electric expansion valve 5, is evaporated into outdoor heat exchanger 6, then
Enter the second indoor heat exchanger 8 by the control of four-way valve 2.
Wherein, the standard-sized sheet of the second electric expansion valve 7.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Heating circulation.
In an optional embodiment, example shown in Figure 5, the running of the defrost pattern of car air-conditioner,
It can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, first passes through the first indoor heat exchange
Device 3 gives in-car heat supply, enters back into outdoor heat exchanger 6 and carries out defrost.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) formed after the throttling of the second electric expansion valve 7 gas-liquid two-phase low temperature refrigerant (such as：Gas-liquid two-phase low temperature cold
Matchmaker), then control into the second indoor heat exchanger 8 and evaporate by four-way valve 2.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Defrost is circulated, and whole process is shut down without the commutation of four-way valve 2 and compressor 1, does not influence in-car comfortableness.
It can be seen that during defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electronics are swollen
Swollen valve 7) jointly control, be not required to four-way valve 2 commutation and compressor 1 shut down, do not influence heat comfortableness.
Thus, by being adapted to two triple valves set with two indoor heat exchangers respectively, it is possible to achieve two refrigeration moulds
The switching of formula, and then the refrigerating efficiency and operational reliability of lifting system.
In an optional embodiment, when the air-conditioning system can also include first throttle element, the second throttling member
During part, when the operational mode of the air-conditioning system is at least one of the first refrigeration mode, the second refrigeration mode, defrost pattern
When, the flow aperture of the first throttle element is its upper threshold.
Alternatively, when the operational mode of the air-conditioning system is heating mode, the flow of second restricting element is opened
Spend for its upper threshold.
Thus, restricting element in the lateral line of outdoor heat exchanger two is arranged at by adaptation, can be under aspect different mode
Cold medium flux control, the reliability of control is high, and convenience is good.
In an optional embodiment, example shown in Figure 1, the air-conditioning system (such as：The air-conditioning of car air-conditioner
System), it can include：Compressor 1, four-way valve 2, the first indoor heat exchanger 3 (such as：First with drier coating is in-car
Side heat exchanger), the first triple valve 4, the first electric expansion valve 5, outdoor heat exchanger 6 (such as：Heat exchanger on the outside of car), the second electronics
Expansion valve 7, the second indoor heat exchanger 8 (such as：The second in-car side heat exchanger with drier coating), the second triple valve 9,
Gas-liquid separator 10.
In an optional example, the first indoor heat exchanger 3 and the second indoor heat exchanger 8, with drier coating.
It is alternatively possible to heat exchanger (such as：First indoor heat exchanger 3 and the second indoor heat exchanger 8) fin surface
On, adaptation is provided with drier coating.Such as：The drier coating material, can include：Silica gel-lithium chloride drying mixt
Deng.
In an optional example, the air-conditioning system, using three heat exchangers (such as：First indoor heat exchanger 3, second
Indoor heat exchanger 8 and outdoor heat exchanger 6).Wherein, heat exchanger (such as：First indoor heat exchanger 3 and the second indoor heat exchanger 8)
Band drier coating, drier play adsorption moisture effect, avoid latent heat from exchanging heat, improve the evaporating temperature of evaporator, heat exchanger
Structure is compacter, so as to which system circulation efficiency improves.
Wherein, sensible heat is that material does not undergo phase transition (solid, liquid, gas transformation) absorption or releases heat.Such as：Sensible heat, to solid
State, liquid or the heating of gaseous material, as long as its form is constant, then after heat is added, the temperature of material just raises, and adds
Heat number can be shown in temperature, i.e., do not change the form of material and cause its temperature change heat be referred to as it is aobvious
Heat.Such as the water of liquid is heated, as long as it also keeps liquid, its temperature just raises；Therefore, sensible heat only influences the change of temperature
Face does not cause the change of the form of material.Such as in computer room, the caloric value of its computer or programme-controlled exchange it is very big, it belongs to aobvious
Heat.
And the water of liquid is heated, the temperature rise of water, when reaching boiling point, although heat constantly adds, water
Temperature does not raise, and rests on boiling point always, and the heat added only makes water become vapor, i.e., is changed into gaseous state from liquid.It is this not
Change the temperature of material and cause the heat of states of matter change (also known as phase transformation) to be referred to as latent heat.As in computer floor, staff people
The air humidity content that body is generated heat and ventilation band is come in, these heats are referred to as latent heat.Full heat is equal to sensible heat and latent heat sum.
In an optional example, two inner side heat exchanger (such as：First indoor heat exchanger 3 and the second indoor heat exchanger
8) alternating mode is used, is controlled with reference to air-valve, the heat exchange temperature of one side adsorption moisture is relatively low, and high temperature refrigerant absorbs after switching
This part cold, so as to reduce condenser temperature；On the other hand heat exchanger desiccation is played with maximum, so as to improve unit
Refrigeration gross efficiency.
Such as：After switching, high temperature refrigerant has inhaled the cold of water saturated drying device so that the heat exchange of adsorption moisture
The moisture that the drier coating that device shows absorbs can together be evaporated, and then it is absorbed the degree of moisture and be changed into not from saturation
Saturation.
Such as：Example shown in Figure 6, the air channel structure of the air-conditioning system, it can include：First air channel and the second wind
Road, the first air channel and the parallel setting of the second air channel adaptation.First indoor heat exchanger 3 and the in the first air channel is arranged at by adaptation
One blower fan 12, blown to in-car.Second indoor heat exchanger 8 and the second blower fan 13 in the second air channel are arranged at by adaptation, to car
Outer air draft.Between the first air channel and the second air channel, the first air-valve 11 and the second air-valve 14 are provided with；First air-valve 11 can be set
The side in two air channels is placed in, the second air-valve 14 can be arranged at the opposite side in two air channels.
It can be seen that being controlled by the adaptation of air-valve and blower fan, air-supply heat exchange respectively is mainly achieved.
In an optional example, for car air-conditioner, because interior space is limited, 3 heat exchangers are the most suitable.Its
In, the purpose that in-car sets two heat exchangers is：
(1) refrigeration mode two heat exchangers are used for switching.
(2) under heating mode, because inner side heats, sensible heat is only had during heat exchange, as traditional system, drier does not have
There is effect.
(3) in defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electric expansion valve 7)
Jointly control, the heat exchanger of inner side one still heating load, partial heat is used for outside heat exchanger defrosting, utilizes another in-car heat exchange
Device is as evaporator so that unit, which is realized, does not shut down defrost, more saves and comfortable.
Alternatively, in three heat exchangers, the drier coating that simply two indoor heat exchangers carry during refrigeration mode rises
Desiccation, in heating mode, drier coating does not work.
In an optional example, the air-conditioning system be applicable single-stage and twin-stage etc. compression the circulatory system, below referring to Fig. 1-
Single stage compress circulation shown in Fig. 5 is analysis of cases.
Alternatively, two-bed system be only this part of compressor difference, refrigerant heat exchanger control thinking be it is the same, herein
Repeat no more.
In an optional embodiment, referring to the example shown in Fig. 2 and Fig. 3, the refrigeration mode of car air-conditioner, it can wrap
Include：First refrigeration mode and the second refrigeration mode.First refrigeration mode and the second refrigeration mode can be with random starts, in no particular order
Sequentially.
In an optional example, example shown in Figure 2, the running of the first refrigeration mode of car air-conditioner,
It can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, then the condensation supercooling of outdoor heat exchanger 6 is entered by the first triple valve 4.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) refrigerant of supercooling, gas-liquid two-phase low temperature refrigerant is formed after the throttling of the second electric expansion valve 7, then by four-way
The control of valve 2 enters the evaporation and heat-exchange of the second indoor heat exchanger 8, air by heat exchanger (such as：Second indoor heat exchanger 8) face coat
Dry and absorb moisture, then exchanged heat with refrigerant evaporation, cold is provided to in-car.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Kind of refrigeration cycle.
In an optional example, example shown in Figure 3, the running of the second refrigeration mode of car air-conditioner
For：As startup optimization time t>After 10~20min, by internal side air-out humidity (such as：Inner side air-out humidity>60~80%)
Detection, judge heat exchanger (i.e. the second indoor heat exchanger 8) face coat absorption water whether saturation, if reaching saturation, need to carry out
The switching of first refrigeration mode and the second refrigeration mode.The running specifically switched is as follows：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, is switched by four-way valve 2, by being changed in second Room
Hot device 8, it is dried, then enters the condensation supercooling of outdoor heat exchanger 6 by the control of the second triple valve 9.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
Such as：Under the second refrigeration mode, the second indoor heat exchanger flowing high temperature refrigerant, desiccation is played.First
Under refrigeration mode, the first indoor heat exchanger flowing high temperature refrigerant, and play desiccation.No matter under which kind of refrigeration mode,
Two indoor heat exchangers can not possibly flow low temperature or high temperature refrigerant simultaneously, therefore only one of which is to absorb moisture.
(2) refrigerant of supercooling, gas-liquid two-phase low temperature refrigerant is formed after the throttling of the second electric expansion valve 7, then by four-way
Valve 2 switches into the evaporation and heat-exchange of the first indoor heat exchanger 3, and air is dried by the coating on the surface of the first indoor heat exchanger 3 absorbs water
Point, then exchanged heat with refrigerant evaporation, in-car offer cold is provided.
(3) enter low pressure through the control of the first triple valve 4, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Kind of refrigeration cycle.
Similarly, if the first indoor heat exchanger 3 absorbs moisture and reaches saturation, then it is switched to the first refrigeration mode.That is,
First refrigeration mode and the second refrigeration mode perform at random, i.e.,：First carry out any one refrigeration mode can, one has saturation to show
As when be switched to another.
In an optional embodiment, example shown in Figure 4, the running of the heating mode of car air-conditioner,
It can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, then by the first indoor heat exchange
Device 3, air by heat exchanger (such as：First indoor heat exchanger 3) condensing heat-exchange, provide heat to in-car.
(2) gas-liquid two-phase low temperature refrigerant is formed after the throttling of the first electric expansion valve 5, is evaporated into outdoor heat exchanger 6, then
Enter the second indoor heat exchanger 8 by the control of four-way valve 2.
Wherein, the standard-sized sheet of the second electric expansion valve 7.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Heating circulation.
In an optional embodiment, example shown in Figure 5, the running of the defrost pattern of car air-conditioner,
It can include：
(1) refrigerant obtains high temperature and high pressure gas after the compression of compressor 1, by four-way valve 2, first passes through the first indoor heat exchange
Device 3 gives in-car heat supply, enters back into outdoor heat exchanger 6 and carries out defrost.
Wherein, the standard-sized sheet of the first electric expansion valve 5.
(2) formed after the throttling of the second electric expansion valve 7 gas-liquid two-phase low temperature refrigerant (such as：Gas-liquid two-phase low temperature cold
Matchmaker), then control into the second indoor heat exchanger 8 and evaporate by four-way valve 2.
(3) enter low pressure through the control of the second triple valve 9, then the low-pressure side of compressor 1 is returned to through gas-liquid separator 10, complete
Defrost is circulated, and whole process is shut down without the commutation of four-way valve 2 and compressor 1, does not influence in-car comfortableness.
It can be seen that during defrost, by two electric expansion valves (such as：First electric expansion valve 5 and the second electronics are swollen
Swollen valve 7) jointly control, be not required to four-way valve 2 commutation and compressor 1 shut down, do not influence heat comfortableness.
The processing and function realized by the method for the present embodiment essentially correspond to earlier figures 1 to the air-conditioning shown in Fig. 5
Embodiment, principle and the example of system, therefore not detailed part in the description of the present embodiment, may refer to the phase in previous embodiment
Speak on somebody's behalf bright, will not be described here.
Through substantial amounts of verification experimental verification, using the technical solution of the utility model, pass through three heat exchanger air conditioner systems, refrigeration
Pattern two heat exchangers are used for switching, and can improve cooling system Performance And Reliability；Carried because condensation temperature reduces with evaporating temperature
Height, i.e. high pressure reduce and low pressure rise, so that coolant system high-low pressure improves compressor efficiency and extend compressor than reducing
Life-span；By three heat exchanger air conditioner systems, commutation is not required to during defrost and is not shut down, improves thermal comfort.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
Combined, be superimposed by ground.
Embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., it should be included within right of the present utility model.
Claims (11)
- A kind of 1. air-conditioning system, it is characterised in that including：Compressor (1), four-way valve (2), outdoor heat exchanger (6), drying device With two or more indoor heat exchanger；Wherein,Indoor heat exchanger described in two or more and the outdoor heat exchanger (6), adaptation are connected to the exhaust from the compressor (1) End is into the refrigerant circulation circuit between the suction end of the compressor (1)；The drying device, setting is adapted to at least one indoor heat exchanger in indoor heat exchanger described in two or more； At least one indoor heat exchanger, including：First indoor heat exchanger (3)；In indoor heat exchanger described in two or more, except institute State the first indoor heat exchanger (3) outside, in addition to：Second indoor heat exchanger (8)；In first to fourth valve port of the four-way valve (2), the first valve port is adapted to the exhaust for being connected to the compressor (1) End, the second valve port adaptation are connected to first indoor heat exchanger (3), and the 3rd valve port adaptation is connected to the outdoor heat exchanger (6), the 4th valve port adaptation is connected to second indoor heat exchanger (8).
- 2. system according to claim 1, it is characterised in that also include：First triple valve (4) and the second triple valve (9)； Wherein,In the first to the 3rd valve port of first triple valve (4), the first valve port is adapted to the suction for being connected to the compressor (1) Gas end, the second valve port adaptation are connected to first indoor heat exchanger (3), and the 3rd valve port adaptation is connected to the outdoor heat exchanger (6)；In the first to the 3rd valve port of second triple valve (9), the first valve port is adapted to the suction for being connected to the compressor (1) Gas end, the second valve port adaptation are connected to second indoor heat exchanger (8), and the 3rd valve port adaptation is connected to the outdoor heat exchanger (6)。
- 3. system according to claim 2, it is characterised in that also include：First throttle element and the second restricting element；Its In,The first throttle element, adaptation are arranged at the exhaust end from the compressor (1) between the outdoor heat exchanger (6) Pipeline in and close to the outdoor heat exchanger (6) set；Second restricting element, adaptation are arranged at from the outdoor heat exchanger (6) between the suction end of the compressor (1) Pipeline in and close to the outdoor heat exchanger (6) set.
- 4. system according to claim 3, it is characterised in that wherein,When the operational mode of the system is at least one of the first refrigeration mode, heating mode, defrost pattern, the four-way First and second valve port of valve (2) is respectively communicated with third and fourth valve port, second and third valve port connection of first triple valve (4), institute State the first and second valve port connection of the second triple valve (9)；When the operational mode of the system is the second refrigeration mode, first, fourth valve port of the four-way valve (2) and second and third Valve port is respectively communicated with, the first and second valve port connection of first triple valve (4), second and third valve of second triple valve (9) Mouth connection；And/orIt is described when the operational mode of the system is at least one of the first refrigeration mode, the second refrigeration mode, defrost pattern The flow aperture of first throttle element is its upper threshold；When the operational mode of the system is heating mode, the flow aperture of second restricting element is its upper threshold.
- 5. system according to claim 3, it is characterised in that the first throttle element, second restricting element At least one, including：Electric expansion valve and/or capillary.
- 6. system according to claim 3, it is characterised in that also include：Controller；The controller, respectively with the four-way valve (2), first triple valve (4), second triple valve (9), described At least one of one restricting element and second restricting element adaptation are set, in the first refrigeration mode, the second refrigeration mould Under any current refrigeration pattern in formula, it is determined that the drying device being adapted to the evaporator under the current refrigeration pattern is inhaled The moisture of receipts whether saturation；It is first by the current refrigeration pattern switching when the water saturation that the drying device absorbs Another refrigeration mode in refrigeration mode, the second refrigeration mode；Wherein,The evaporator, it is specially：In first indoor heat exchanger (3) and second indoor heat exchanger (8), positioned at from institute State the indoor heat exchanger in outdoor heat exchanger (6) to the pipeline between the suction end of the compressor (1).
- 7. system according to claim 6, it is characterised in that also include：Humidity detector；The humidity detector, setting is adapted to the air outlet of the system, under the current refrigeration pattern, detecting The inner side air-out humidity of the system；The controller, setting also is adapted to the humidity detector, for based on the inner side air-out humidity, it is determined that described Whether inner side air-out humidity reaches default humidity；And when the inner side air-out humidity reaches the default humidity, it is determined that with The water saturation that the drying device of evaporator adaptation under the current refrigeration pattern absorbs.
- 8. system according to claim 6, it is characterised in that also include：It is adapted to the unit operation of the air-conditioning system The time detection device of association；The time detection device, setting is adapted to the compressor (1), for when the current refrigeration pattern starts, examining Survey the operation duration of the current refrigeration pattern；The controller, setting also is adapted to the time detecting module, for determining whether the operation duration reaches default Duration；And when the operation duration reaches the preset duration, pair it is adapted to the evaporator under the current refrigeration pattern The drying device absorb moisture whether saturation is determined.
- 9. system according to claim 6, it is characterised in that also include：Blower fan and air-valve；The blower fan, setting is adapted to the drying device, drying is blowed in the moisture for being absorbed to the drying device；The air-valve, setting is adapted to the blower fan, the drying device is blowed for adjusting the blower fan dry Air output；The controller, setting also is adapted to at least one of the blower fan and the air-valve respectively, for when the dry dress When putting the water saturation of absorption, start the blower fan；And/or control the air quantity aperture of the air-valve.
- 10. system according to claim 1 or 2, it is characterised in that also include：Gas-liquid separator (10)；The gas-liquid separator (10), adaptation be arranged at from the outdoor heat exchanger (6) to the compressor (1) suction end it Between pipeline in and close to the compressor (1) suction end set.
- 11. system according to claim 1 or 2, it is characterised in that the drying device, including：Drier module, do At least one of drying prescription coating；Wherein,The drier module, adaptation are arranged at first indoor heat exchanger (3), second indoor heat exchanger (8) extremely In one of few preset range；The drier coating, adaptation are pasted on first indoor heat exchanger (3), second indoor heat exchanger (8) extremely One of few surface；And/orThe compressor, including：At least one of single-stage compressor, double-stage compressor.
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| CN201720475901.5U CN207015109U (en) | 2017-05-02 | 2017-05-02 | A kind of air-conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139680A (en) * | 2017-05-02 | 2017-09-08 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method |
| CN109878289A (en) * | 2019-03-05 | 2019-06-14 | 珠海格力电器股份有限公司 | Air conditioning for automobiles |
| WO2021112470A1 (en) * | 2019-12-03 | 2021-06-10 | Samsung Electronics Co., Ltd. | Air conditioner |
-
2017
- 2017-05-02 CN CN201720475901.5U patent/CN207015109U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139680A (en) * | 2017-05-02 | 2017-09-08 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method |
| CN109878289A (en) * | 2019-03-05 | 2019-06-14 | 珠海格力电器股份有限公司 | Air conditioning for automobiles |
| WO2021112470A1 (en) * | 2019-12-03 | 2021-06-10 | Samsung Electronics Co., Ltd. | Air conditioner |
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