CN110103674A - Air-conditioning system and vehicle - Google Patents
Air-conditioning system and vehicle Download PDFInfo
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- CN110103674A CN110103674A CN201910391566.4A CN201910391566A CN110103674A CN 110103674 A CN110103674 A CN 110103674A CN 201910391566 A CN201910391566 A CN 201910391566A CN 110103674 A CN110103674 A CN 110103674A
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- air
- heat exchanger
- conditioning system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3211—Control means therefor for increasing the efficiency of a vehicle refrigeration cycle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of air-conditioning system and vehicle, air-conditioning system includes compressor, First Heat Exchanger, the second heat exchanger, throttling set, regenerator and return-air bypass flow path.Throttling set is serially connected between the first end of First Heat Exchanger and the first end of the second heat exchanger；Regenerator has the first heat exchanger channels and the second heat exchanger channels that is separated from each other and can mutually exchange heat, first heat exchanger channels are serially connected between the first end of First Heat Exchanger and throttling set, one in the second end of First Heat Exchanger and the second end of the second heat exchanger is connected to and another is connected to the first end of the second heat exchanger channels with exhaust outlet, and the second end of the second heat exchanger channels is connected with air entry；Return-air bypass flow path is in parallel with the second heat exchanger channels, and when air-conditioning system is in refrigeration mode, return-air bypass flow path is open-minded.Air-conditioning system according to an embodiment of the present invention can reduce compressor air suction mouth refrigerant temperature in refrigeration, reduce the invalid degree of superheat, promote refrigeration performance.
Description
Technical field
The present invention relates to apparatus of air conditioning fields, more particularly, to a kind of air-conditioning system and vehicle.
Background technique
In the related technology, when air-conditioning system work with regenerator, there are the higher problem of the suction temperature of compressor,
The invalid degree of superheat of compressor air suction mouth is caused to increase, so as to cause the reduced performance of air-conditioning system.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of air-conditioning system, which can reduce the air entry refrigerant temperature of compressor in refrigeration, reduce nothing
The degree of superheat is imitated, refrigeration performance is promoted.
The invention also provides a kind of vehicles with above-mentioned air-conditioning system.
The air-conditioning system of embodiment according to a first aspect of the present invention, comprising: compressor, the compressor have air entry and
Exhaust outlet；First Heat Exchanger and the second heat exchanger；Throttling set, the throttling set are serially connected in the first of the First Heat Exchanger
Between end and the first end of second heat exchanger；Regenerator, the regenerator, which has, to be separated from each other and can mutually exchange heat
First heat exchanger channels and the second heat exchanger channels, first heat exchanger channels are serially connected in the first end of the First Heat Exchanger and described
Between throttling set, one in the second end of the second end of the First Heat Exchanger and second heat exchanger and the exhaust
Mouthful connection, another and second heat exchange in the second end of the second end of the First Heat Exchanger and second heat exchanger
The first end in channel is connected to, and the second end of second heat exchanger channels is connected with the air entry；Return-air bypass flow path, described time
Gas bypass flow path is in parallel with second heat exchanger channels, when the air-conditioning system is in refrigeration mode, the return-air bypass flow path
It is open-minded.
Air-conditioning system according to an embodiment of the present invention, by the way that the return-air bypass flow path in parallel with the second heat exchanger channels is arranged,
Compressor air suction mouth refrigerant temperature can be reduced in refrigeration, reduce the invalid degree of superheat, promote refrigeration performance.
According to some embodiments of the present invention, it is serially connected in the return-air bypass flow path for opening and closing the return-air
First control valve of bypass flow path, at the air-conditioning system in refrigeration mode, first control valve is opened.
Optionally, first control valve is the adjustable electric expansion valve of aperture.
Optionally, the air-conditioning system includes commutation component, and the commutation component has first interface to the 4th interface, institute
It states first interface to be connected with the exhaust outlet, the second interface is connected with the second end of the First Heat Exchanger, the third
Interface is connected with the second end of second heat exchanger, the second end of the 4th interface and second heat exchanger channels and described
Return-air bypass flow path is connected, and the first interface is connected to one in the second interface and the third interface, described
4th interface is connected to another in the second interface and the third interface, in heating mode at the air-conditioning system
The first control valve of Shi Suoshu is closed.
According to some embodiments of the present invention, the air-conditioning system includes commutation component, and the commutation component has first
It is interfaced to the 4th interface, the first interface is connected with the exhaust outlet, and the of the second interface and the First Heat Exchanger
Two ends are connected, and the third interface is connected with the second end of second heat exchanger, the 4th interface and second heat exchange
The second end in channel is connected with the return-air bypass flow path, the first interface and the second interface and the third interface
In a connection, the 4th interface is connected to another in the second interface and the third interface.
Optionally, the commutation component is four-way valve.
Optionally, the air-conditioning system includes adjustable second control valve of aperture, the first end of second control valve with
The first end of second heat exchanger channels is connected, the second end and the 4th interface and the return-air of second control valve
Bypass flow path is connected, in air-conditioning system work described at the second control valve in opening state.
Optionally, the air-conditioning system includes the first triple valve, and first triple valve has the first valve port to third valve
Mouthful, first valve port is connected with the 4th interface, and second valve port is connected with the return-air bypass flow path, the third
Valve port is connected with the first end of second heat exchanger channels, when at the air-conditioning system in refrigeration mode described in the first valve port with
Second valve port and the third valve port are connected to, when at the air-conditioning system in heating mode described in the first valve port and institute
It states the disconnection of the second valve port and first valve port is connected to the third valve port.
According to some embodiments of the present invention, the second end of the First Heat Exchanger is connected to the exhaust outlet, and described
The second end of two heat exchangers is connected to the first end of second heat exchanger channels.
Optionally, the air-conditioning system includes the adjustable third control valve of aperture, the first end of the third control valve with
The first ends of second heat exchanger channels is connected, the second end of the second end of the third control valve and second heat exchanger and
The return-air bypass flow path is connected, in air-conditioning system work in opening state at the third control valve.
Optionally, the air-conditioning system includes the second triple valve, and second triple valve has the 4th valve port to the 6th valve
Mouthful, the 4th valve port is connected with the air entry of the compressor, the 5th valve port and the return-air bypass flow path phase
Even, the 6th valve port is connected with the first end of second heat exchanger channels, at the air-conditioning system in refrigeration mode, institute
The 4th valve port is stated to be connected to the 5th valve port and the 6th valve port.
According to some embodiments of the present invention, the return-air bypass flow path is multiple, each return-air bypass in parallel
Flow path is in parallel with second heat exchanger channels, when the air-conditioning system is in refrigeration mode, at least one described return-air bypass
Flow path is open-minded.
According to some embodiments of the present invention, the refrigerant of the air-conditioning system is CO2Refrigerant.
According to some embodiments of the present invention, the air-conditioning system is mounted air conditioner system.
The vehicle of embodiment according to a second aspect of the present invention, comprising: the sky of above-mentioned first aspect embodiment according to the present invention
Adjusting system.
Vehicle according to an embodiment of the present invention can reduce compressor in refrigeration by the way that above-mentioned air-conditioning system is arranged
Air entry refrigerant temperature reduces the invalid degree of superheat, promotes refrigeration performance.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram that air-conditioning system according to some embodiments of the invention is in refrigeration mode；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the schematic diagram that air-conditioning system according to some embodiments of the invention is in heating mode；
Fig. 4 is the schematic diagram of the air-conditioning system of other embodiments according to the present invention.
Appended drawing reference:
Air-conditioning system 100；
Compressor 1；Air entry 11；Exhaust outlet 12；
First Heat Exchanger 2；First blower 21；
Second heat exchanger 3；Second blower 31；
Throttling set 4；
Regenerator 5；First heat exchanger channels 51；Second heat exchanger channels 52；
Return-air bypass flow path 6；First control valve 60；
Commutate component 7；First interface 71；Second interface 72；Third interface 73；4th interface 74.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings air-conditioning system 100 according to an embodiment of the present invention is described.Wherein, air-conditioning system 100 can be
The air-conditioning system of the air-conditioning system of single cold type, air-conditioning system 100 or cold-warm type.It is that cold-warm type is empty in air-conditioning system 100
When adjusting system, air-conditioning system 100 has refrigeration mode and heating mode；It is empty when air-conditioning system 100 is single cold type air-conditioning system
Adjusting system 100 has refrigeration mode.
With reference to Fig. 1, Fig. 2 and Fig. 4, the air-conditioning system 100 of embodiment according to a first aspect of the present invention, comprising: compressor 1,
First Heat Exchanger 2, the second heat exchanger 3, throttling set 4, regenerator 5 and return-air bypass flow path 6.Air-conditioning system 100 further includes
One blower 21 and the second blower 31, the second blower 31 are disposed adjacent with the second heat exchanger 3 and are changed with certain driving air-flow and the second heat exchanger 3
Heat, the first blower 21 is disposed adjacent with First Heat Exchanger 2 to be exchanged heat with certain driving air-flow and First Heat Exchanger 2.
Compressor 1 has air entry 11 and exhaust outlet 12, and refrigerant enters compressor 1 from air entry 11, compresses through compressor 1
It is discharged afterwards from exhaust outlet 12.Heat exchange is carried out with outdoor air when refrigerant flows through First Heat Exchanger 2, refrigerant flows through the second heat exchanger
Heat exchange is carried out with room air when 3.Throttling set 4 be serially connected in First Heat Exchanger 2 first end and the second heat exchanger 3 first
Between end, throttling set 4 can carry out reducing pressure by regulating flow through the refrigerant of throttling set 4 with convection current.Optionally, throttling set 4 can be
Electric expansion valve, capillary etc..
Regenerator 5 has the first heat exchanger channels 51 and the second heat exchanger channels 52 that is separated from each other and can mutually exchange heat, the
One heat exchanger channels 51 are serially connected between the first end of First Heat Exchanger 2 and throttling set 4.The second end of First Heat Exchanger 2 and
One in the second end of two heat exchangers 3 is connected to exhaust outlet 12, and the of the second end of First Heat Exchanger 2 and the second heat exchanger 3
Another in two ends is connected to the first end of the second heat exchanger channels 52, second end and 11 phase of air entry of the second heat exchanger channels 52
Even.Return-air bypass flow path 6 is in parallel with the second heat exchanger channels 52, when air-conditioning system 100 is in refrigeration mode, return-air bypass flow path 6
Open-minded, refrigerant can pass through return-air bypass flow path 6.
At air-conditioning system 100 in heating mode, as shown in figure 3, return-air bypass flow path 6 can be opened, return-air bypass
Flow path 6 can also close.
At air-conditioning system 100 when refrigeration mode works, as Figure 1 and Figure 4, the second end of First Heat Exchanger 2 and row
Port 12 is connected to, and the second end of the second heat exchanger 3 is connected to the first end of the second heat exchanger channels 52.Suction of the refrigerant through compressor 1
Port 11 sucks in compressor 1, sucks the refrigerant in compressor 1 and is discharged after the compression of compressor 1 from exhaust outlet 12, from exhaust outlet
The high temperature refrigerant of 12 discharges is followed by First Heat Exchanger 2, the first heat exchanger channels 51, throttling set 4, the second heat exchanger 3.From
The refrigerant of two heat exchangers 3 outflow, a part flows through the second heat exchanger channels 52 and another part flows through return-air bypass flow path 6.From
The refrigerant of two heat exchanger channels 52 outflow and the refrigerant flowed out from return-air bypass flow path 6 are sucked by the air entry 11 of compressor 1 presses
It is compressed again in contracting machine 1, to form the refrigerant circulation of air-conditioning system 100.
Wherein, the refrigerant for flowing through the second heat exchanger channels 52 can exchange heat with the refrigerant for flowing through the first heat exchanger channels 51,
Temperature due to flowing through the refrigerant of the second heat exchanger channels 52 is lower than the temperature for flowing through the refrigerant of the first heat exchanger channels 51, flows through second
The refrigerant of heat exchanger channels 52 can cool down to the refrigerant for flowing through the first heat exchanger channels 51, change so as to increase into second
The degree of supercooling of the refrigerant of hot device 3, can improve the refrigeration performance of air-conditioning system 100.Refrigerant in second heat exchanger channels 52 and
After refrigerant heat exchange in one heat exchanger channels 51, the temperature of the refrigerant in the second heat exchanger channels 52 increases, by making air-conditioning system
A part of refrigerant in 100 flow through the second heat exchanger channels 52 and another part refrigerant without the second heat exchanger channels 52 but flow through
The air entry 11 that compressor 1 is flowed into after return-air bypass flow path 6, after all passing through with refrigerant in the second heat exchanger channels 52 in this way
The air entry 11 for flowing into compressor 1 again is compared, can while can increase into the degree of supercooling of the refrigerant of the second heat exchanger 3
To reduce the suction temperature of compressor 1, reduce the invalid degree of superheat, further promotes the refrigeration performance of air-conditioning system 100.
At air-conditioning system 100 when heating mode works, as shown in figure 3, the second end and exhaust outlet of the second heat exchanger 3
12 connections, the second end of First Heat Exchanger 2 are connected to the first end of the second heat exchanger channels 52.Air entry of the refrigerant through compressor 1
In 11 sucking compressors 1, sucks the refrigerant in compressor 1 and be discharged after the compression of compressor 1 from exhaust outlet 12, from 12 row of exhaust outlet
High temperature refrigerant out is followed by the second heat exchanger 3, throttling set 4, the first heat exchanger channels 51, First Heat Exchanger 2.
Wherein, when return-air bypass flow path 6 is opened, the refrigerant flowed out from First Heat Exchanger 2, a part flows through the second heat exchange
Channel 52 and another part flow through return-air bypass flow path 6.The refrigerant that is flowed out from the second heat exchanger channels 52 and from return-air bypass flow path 6
The refrigerant of outflow sucks in compressor 1 by the air entry 11 of compressor 1 to be compressed again, to form air-conditioning system 100
Refrigerant circulation.When return-air bypass flow path 6 is closed, the refrigerant flowed out from First Heat Exchanger 2 flows through the second heat exchanger channels 52,
The refrigerant flowed out from the second heat exchanger channels 52 sucks in compressor 1 by the air entry 11 of compressor 1 to be compressed again, thus
Form the refrigerant circulation of air-conditioning system 100.
Air-conditioning system 100 according to an embodiment of the present invention is bypassed by the way that the return-air in parallel with the second heat exchanger channels 52 is arranged
Flow path 6, the refrigerant temperature at air entry 11 that can reduce compressor 1 in refrigeration, reduces the invalid degree of superheat, promotes refrigeration property
Energy.
According to some embodiments of the present invention, it with reference to Fig. 1, Fig. 2 and Fig. 4, is serially connected with and is used to open in return-air bypass flow path 6
With the first control valve 60 for closing return-air bypass flow path 6, at air-conditioning system 100 in refrigeration mode, the first control valve 60 is beaten
It opens, to open return-air bypass flow path 6 so that return-air bypass flow path 6 is open-minded, 1 air entry of compressor can be reduced in refrigeration
11 refrigerant temperatures reduce the invalid degree of superheat, promote refrigeration performance.Also, it when air-conditioning system 100 stops working, can close
First control valve 60.
Optionally, as shown in Figure 1 and Figure 4, the first control valve 60 is the adjustable electric expansion valve of aperture, thus in air-conditioning system
It is adjustable to flow through the cold of return-air bypass flow path 6 by controlling the aperture of the first control valve 60 when system 100 is in refrigeration mode
Matchmaker's flow, thus while reducing the refrigerant temperature of air entry 11 of compressor 1, the air entry 11 of adjustable compressor 1
Refrigerant temperature so that air-conditioning system 100 adapts to different requirements.Optionally, at air-conditioning system 100 in refrigeration mode,
First control valve 60 can with standard-sized sheet, can also portion separate (such as can be half-open).
Optionally, with reference to Fig. 1-Fig. 3, air-conditioning system 100 includes commutation component 7, commutation component 7 have first interface 71 to
4th interface 74, first interface 71 are connected with exhaust outlet 12, and second interface 72 is connected with the second end of First Heat Exchanger 2, third
Interface 73 is connected with the second end of the second heat exchanger 3, second end and the return-air bypass of the 4th interface 74 and the second heat exchanger channels 52
Flow path 6 is connected.First interface 71 is connected to one in second interface 72 and third interface 73, and the 4th interface 74 connects with second
Mouth 72 is connected to another in third interface 73, and in heating mode, the first control valve 60 is closed at air-conditioning system 100.
The air-conditioning system 100 is the air-conditioning system 100 of cold-warm type, when air-conditioning system 100 is in refrigeration mode, first interface
71 are connected to second interface 72, and the 4th interface 74 is connected to third interface 73；When air-conditioning system 100 is in heating mode, first
Interface 71 is connected to third interface 73, and the 4th interface 74 is connected to second interface 72.As a result, by the commutation component 7 of setting, lead to
Cross control commutation component 7, thus it is possible to vary the flow direction of refrigerant, so that air-conditioning system 100 can have refrigeration mode and heating mode.
Wherein, the course of work of the air-conditioning system 100 in refrigeration mode and heating mode, is referred to above-mentioned, and which is not described herein again.
In refrigeration mode, the first control valve 60 is opened at air-conditioning system 100, and refrigerant can be logical from return-air bypass flow path 6
It crosses；In heating mode, the first control valve 60 is closed at air-conditioning system 100, and refrigerant can not pass through from return-air bypass flow path 6.By
This, when so that air-conditioning system 100 being in refrigeration mode, can reduce by 1 air entry of compressor, 11 refrigerant temperature, reduce invalid overheat
Degree promotes refrigeration performance.
According to some embodiments of the present invention, with reference to Fig. 1 and Fig. 2, air-conditioning system 100 includes commutation component 7, and commutate component
7 have 71 to the 4th interface 74 of first interface, and first interface 71 is connected with exhaust outlet 12, second interface 72 and First Heat Exchanger 2
Second end be connected, third interface 73 is connected with the second end of the second heat exchanger 3, the 4th interface 74 and the second heat exchanger channels 52
Second end is connected with return-air bypass flow path 6, and first interface 71 is connected to one in second interface 72 and third interface 73, the
Four interfaces 74 are connected to another in second interface 72 and third interface 73.The air-conditioning system 100 is the air-conditioning system of cold-warm type
System 100, when air-conditioning system 100 is in refrigeration mode, first interface 71 is connected to second interface 72, and the 4th interface 74 connects with third
Mouth 73 is connected to；When air-conditioning system 100 is in heating mode, first interface 71 is connected to third interface 73, the 4th interface 74 and
The connection of two interfaces 72.As a result, by the commutation component 7 of setting, pass through control commutation component 7, thus it is possible to vary the flow direction of refrigerant makes
Obtaining air-conditioning system 100 can have refrigeration mode and heating mode.Wherein, air-conditioning system 100 is in refrigeration mode and heating mode
When the course of work, be referred to above-mentioned, which is not described herein again.
Optionally, with reference to Fig. 2, the component 7 that commutates can be four-way valve, so that the structure of commutation component 7 is simple, commutation
It is easy to control.
Some alternative embodiments according to the present invention, air-conditioning system 100 include adjustable second control valve of aperture, the second control
The first end of valve processed is connected with the first end of the second heat exchanger channels 52, the second end of the second control valve and the 4th interface 74 and returns
Gas bypass flow path 6 is connected, and when air-conditioning system 100 works in opening state at the second control valve, i.e. air-conditioning system 100 is in
The second control valve is at opening state under refrigeration mode and heating mode, can reduce cold at the air entry 11 of compressor 1
Matchmaker's temperature reduces the invalid degree of superheat, promotes refrigeration performance.It is adjustable to flow through second by controlling the aperture of the second control valve
The cold medium flux of heat exchanger channels 52, thus while reducing the refrigerant temperature of air entry 11 of compressor 1, adjustable compression
The refrigerant temperature of the air entry 11 of machine 1, so that air-conditioning system 100 adapts to different requirements.Optionally, at air-conditioning system 100
In refrigeration mode, the second control valve can with standard-sized sheet, can also portion separate (such as can be half-open).
Some alternative embodiments according to the present invention, air-conditioning system 100 include the first triple valve, and the first triple valve has the
One valve port to third valve port, the first valve port is connected with the 4th interface 74, and the second valve port is connected with return-air bypass flow path 6, third valve
Mouth is connected with the first end of the second heat exchanger channels 52.At air-conditioning system 100 in refrigeration mode the first valve port and the second valve port
And third valve port is connected to, refrigerant flows into the first triple valve from the first valve port, and refrigerant flows into back from the second valve port respectively after shunting
Gas bypass flow path 6 flows into the second heat exchanger channels 52 from third valve port.At air-conditioning system 100 in heating mode the first valve port
It is disconnected with the second valve port and the first valve port is connected to third valve port, refrigerant flows into the first triple valve from the first valve port, due to first
Valve port and the second valve port disconnect, and whole refrigerants flow to the second heat exchanger channels 52 from third valve port.Optionally, the first triple valve is logical
The triple valve for crossing spool control valve port flow, by control valve core, adjustable refrigerant flows out from the second valve port respectively and from the
The ratio of three valve ports outflow, so as to adjust the cold medium flux for flowing through the second heat exchanger channels 52 and return-air bypass flow path 6, thus
While reducing the refrigerant temperature of air entry 11 of compressor 1, the refrigerant temperature of the air entry 11 of adjustable compressor 1,
So that air-conditioning system 100 adapts to different requirements.
According to some embodiments of the present invention, with reference to Fig. 4, the second end of First Heat Exchanger 2 is connected to exhaust outlet 12, and second
The second end of heat exchanger 3 is connected to the first end of the second heat exchanger channels 52.The air-conditioning system 100 is the air-conditioning system of single cold type
100, when air-conditioning system 100 is in refrigeration mode, refrigerant sucks in compressor 1 through the air entry 11 of compressor 1, sucks compressor
Refrigerant in 1 is discharged after the compression of compressor 1 from exhaust outlet 12, and the high temperature refrigerant being discharged from exhaust outlet 12 changes followed by first
Hot device 2, the first heat exchanger channels 51, throttling set 4, the second heat exchanger 3.The refrigerant flowed out from the second heat exchanger 3, a part flow through
Second heat exchanger channels 52 and another part flows through return-air bypass flow path 6.The refrigerant that is flowed out from the second heat exchanger channels 52 and from return-air
The refrigerant that bypass flow path 6 flows out sucks in compressor 1 by the air entry 11 of compressor 1 to be compressed again, to form sky
The refrigerant circulation of adjusting system 100 reduces nothing so as to the refrigerant temperature in refrigeration at the air entry 11 of reduction compressor 1
The degree of superheat is imitated, refrigeration performance is promoted.
Optionally, with reference to Fig. 4, air-conditioning system 100 includes the adjustable third control valve of aperture, the first end of third control valve
It is connected with the first end of the second heat exchanger channels 52, by the second end and return-air of the second end of third control valve and the second heat exchanger 3
Through-flow road 6 is connected, when air-conditioning system 100 works in opening state at third control valve.The air-conditioning system 100 is single cold type
Air-conditioning system 100, when air-conditioning system 100 is in refrigeration mode, from the second end of the second heat exchanger 3 flow out coolant distribution,
A part of refrigerant flows through third control valve into the second heat exchanger channels 52, and another part refrigerant is directly entered return-air bypass flow path 6,
So as to the refrigerant temperature in refrigeration at the air entry 11 of reduction compressor 1, reduce the invalid degree of superheat, promotes refrigeration property
Energy.By controlling the aperture of third control valve, the adjustable cold medium flux for flowing through the second heat exchanger channels 52, to be pressed reducing
While the refrigerant temperature of the air entry 11 of contracting machine 1, the refrigerant temperature of the air entry 11 of adjustable compressor 1, so that air-conditioning
System 100 adapts to different requirements.Optionally, at air-conditioning system 100 in refrigeration mode, third control valve can with standard-sized sheet,
Can also portion separate (such as can be half-open).
Optionally, with reference to Fig. 4, air-conditioning system 100 includes the second triple valve, and the second triple valve has the 4th valve port to the 6th
Valve port, the 4th valve port are connected with the second end of the second heat exchanger, and the 5th valve port is connected with the return-air bypass flow path 6, the 6th valve
Mouth is connected with the first end of the second heat exchanger channels 52.The air-conditioning system 100 is the air-conditioning system 100 of single cold type, in air-conditioning system
100 when being in refrigeration mode, and the 4th valve port is connected to the 5th valve port and the 6th valve port, and refrigerant flows into the two or three from the 4th valve port
Port valve, refrigerant flows into return-air bypass flow path 6 from the 5th valve port respectively, flows into the second heat exchanger channels 52 from the 6th valve port after shunting.
Optionally, the second triple valve is the triple valve that valve port flow is controlled by spool, by control valve core, adjustable refrigerant difference
It is flowed out from the 5th valve port and from the ratio that the 6th valve port flows out, flows through the second heat exchanger channels 52 and return-air bypass so as to adjust
The cold medium flux of flow path 6, thus while reducing the refrigerant temperature of air entry 11 of compressor 1, adjustable compressor 1
The refrigerant temperature of air entry 11, so that air-conditioning system 100 adapts to different requirements.
According to some embodiments of the present invention, with reference to Fig. 1, return-air bypass flow path 6 is multiple, each return-air bypass in parallel
Flow path 6 is in parallel with the second heat exchanger channels 52.When air-conditioning system 100 is in refrigeration mode, at least one return-air bypass flow path 6 is opened
It is logical, such as a return-air bypass flow path 6 can be opened, or multiple return-air bypass flow paths 6 can be opened.At air-conditioning system 100
In refrigeration mode, refrigerant can be flowed through from all return-air bypass flow paths 6 opened, by the way that at least one return-air bypass stream is arranged
Road 6 is open-minded, it is ensured that a part of refrigerant can be by return-air bypass flow path 6, to reduce the refrigerant temperature of the air entry 11 of compressor 1
Degree.And the quantity opened by controlling return-air bypass flow path 6, thus it is possible to vary flow through the refrigerant of return-air bypass flow path 6 and flow through
The ratio of the refrigerant of second heat exchanger channels 52, to can be adjusted while reducing the refrigerant temperature of air entry 11 of compressor 1
The refrigerant temperature for saving the air entry 11 of compressor 1, so that air-conditioning system 100 adapts to different requirements.
It is of the present invention " multiple " to refer to two or more.
According to some embodiments of the present invention, with reference to Fig. 1, the refrigerant of air-conditioning system 100 can be CO2Refrigerant, CO2Refrigerant
Production is easy, and cost is relatively low, and will not be caused and be destroyed the environmental problems such as ozone layer, CO2Refrigerant is overcritical refrigerant, CO2Refrigerant tool
There is the characteristics of can quickly heating.
According to some embodiments of the present invention, air-conditioning system 100 can be mounted air conditioner system 100, mounted air conditioner system
100 are suitable for the vehicles such as automobile, provide comfortable environment for driver, passenger etc..
The vehicle of embodiment according to a second aspect of the present invention, comprising: the sky of above-mentioned first aspect embodiment according to the present invention
Adjusting system 100.
Vehicle according to an embodiment of the present invention can reduce compression in refrigeration by the way that above-mentioned air-conditioning system 100 is arranged
1 air entry of machine, 11 refrigerant temperature reduces the invalid degree of superheat, promotes refrigeration performance,.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (15)
1. a kind of air-conditioning system characterized by comprising
Compressor, the compressor have air entry and exhaust outlet；
First Heat Exchanger and the second heat exchanger；
Throttling set, the throttling set are serially connected in the first end of the First Heat Exchanger and the first end of second heat exchanger
Between；
Regenerator, the regenerator have the first heat exchanger channels and the second heat exchanger channels that is separated from each other and can mutually exchange heat,
First heat exchanger channels are serially connected between the first end of the First Heat Exchanger and the throttling set, the First Heat Exchanger
Second end and second heat exchanger second end in one be connected to the exhaust outlet, the second of the First Heat Exchanger
Another in the second end of end and second heat exchanger is connected to the first end of second heat exchanger channels, and described second changes
The second end of the passage of heat is connected with the air entry；
Return-air bypass flow path, the return-air bypass flow path is in parallel with second heat exchanger channels, and the air-conditioning system is in refrigeration
When mode, the return-air bypass flow path is open-minded.
2. air-conditioning system according to claim 1, which is characterized in that be serially connected with and be used to open in the return-air bypass flow path
With the first control valve for closing the return-air bypass flow path, at the air-conditioning system in refrigeration mode, first control
Valve is opened.
3. air-conditioning system according to claim 2, which is characterized in that first control valve is that the adjustable electronics of aperture is swollen
Swollen valve.
4. air-conditioning system according to claim 2 characterized by comprising commutation component, the commutation component is with the
One is interfaced to the 4th interface, and the first interface is connected with the exhaust outlet, the second interface and the First Heat Exchanger
Second end is connected, and the third interface is connected with the second end of second heat exchanger, and the 4th interface is changed with described second
The second end of the passage of heat is connected with the return-air bypass flow path, and the first interface connects with the second interface and the third
A connection in mouthful, the 4th interface is connected to another in the second interface and the third interface, described
First control valve described in when air-conditioning system is in heating mode is closed.
5. air-conditioning system according to claim 1 characterized by comprising commutation component, the commutation component is with the
One is interfaced to the 4th interface, and the first interface is connected with the exhaust outlet, the second interface and the First Heat Exchanger
Second end is connected, and the third interface is connected with the second end of second heat exchanger, and the 4th interface is changed with described second
The second end of the passage of heat is connected with the return-air bypass flow path, and the first interface connects with the second interface and the third
A connection in mouthful, the 4th interface are connected to another in the second interface and the third interface.
6. air-conditioning system according to claim 5, which is characterized in that the commutation component is four-way valve.
7. air-conditioning system according to claim 5 characterized by comprising adjustable second control valve of aperture, described
The first end of two control valves is connected with the first end of second heat exchanger channels, the second end of second control valve and described the
Four interfaces and the return-air bypass flow path are connected, in air-conditioning system work described at the second control valve in open shape
State.
8. air-conditioning system according to claim 5 characterized by comprising the first triple valve, the first triple valve tool
There is the first valve port to third valve port, first valve port is connected with the 4th interface, by second valve port and the return-air
Through-flow road is connected, and the third valve port is connected with the first end of second heat exchanger channels, is freezing at the air-conditioning system
First valve port described in when mode is connected to second valve port and the third valve port, in heating mould at the air-conditioning system
First valve port described in when formula is disconnected with second valve port and first valve port is connected to the third valve port.
9. air-conditioning system according to claim 1, which is characterized in that the second end of the First Heat Exchanger and the exhaust
Mouth connection, the second end of second heat exchanger are connected to the first end of second heat exchanger channels.
10. air-conditioning system according to claim 9 characterized by comprising the adjustable third control valve of aperture, it is described
The first end of third control valve is connected with the first end of second heat exchanger channels, the second end of the third control valve with it is described
The second end of second heat exchanger and the return-air bypass flow path are connected, the third control valve in air-conditioning system work
It is in opening state.
11. air-conditioning system according to claim 9 characterized by comprising the second triple valve, second triple valve
With the 4th valve port to the 6th valve port, the 4th valve port is connected with the second end of second heat exchanger, the 5th valve port
It is connected with the return-air bypass flow path, the 6th valve port is connected with the first end of second heat exchanger channels, in the air-conditioning
When system is in refrigeration mode, the 4th valve port is connected to the 5th valve port and the 6th valve port.
12. air-conditioning system according to claim 1, which is characterized in that the return-air bypass flow path is the multiple of parallel connection, often
A return-air bypass flow path is in parallel with second heat exchanger channels, when the air-conditioning system is in refrigeration mode, at least one
A return-air bypass flow path is open-minded.
13. air-conditioning system according to claim 1, which is characterized in that the refrigerant of the air-conditioning system is CO2Refrigerant.
14. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system is mounted air conditioner system.
15. a kind of vehicle characterized by comprising air-conditioning system described in any one of -14 according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391566.4A CN110103674A (en) | 2019-05-10 | 2019-05-10 | Air-conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391566.4A CN110103674A (en) | 2019-05-10 | 2019-05-10 | Air-conditioning system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110103674A true CN110103674A (en) | 2019-08-09 |
Family
ID=67489524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910391566.4A Pending CN110103674A (en) | 2019-05-10 | 2019-05-10 | Air-conditioning system and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN110103674A (en) |
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|---|---|---|---|---|
| DE4125768A1 (en) * | 1991-08-03 | 1993-02-04 | Bayerische Motoren Werke Ag | Air-conditioning installation esp. for electrically propelled vehicle - incorporates heat-pump and coolant circuits supplying warm air and rejecting cold air or vice=versa |
| CN1610809A (en) * | 2002-03-28 | 2005-04-27 | 松下电器产业株式会社 | Refrigeration cycle device |
| CN106662366A (en) * | 2014-06-18 | 2017-05-10 | 株式会社电装 | Refrigeration cycle device |
| CN107089113A (en) * | 2017-03-31 | 2017-08-25 | 广东美芝精密制造有限公司 | Vehicle air conditioner and the vehicle with it |
| CN107356005A (en) * | 2016-05-10 | 2017-11-17 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
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2019
- 2019-05-10 CN CN201910391566.4A patent/CN110103674A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4125768A1 (en) * | 1991-08-03 | 1993-02-04 | Bayerische Motoren Werke Ag | Air-conditioning installation esp. for electrically propelled vehicle - incorporates heat-pump and coolant circuits supplying warm air and rejecting cold air or vice=versa |
| CN1610809A (en) * | 2002-03-28 | 2005-04-27 | 松下电器产业株式会社 | Refrigeration cycle device |
| CN106662366A (en) * | 2014-06-18 | 2017-05-10 | 株式会社电装 | Refrigeration cycle device |
| CN107356005A (en) * | 2016-05-10 | 2017-11-17 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
| CN107089113A (en) * | 2017-03-31 | 2017-08-25 | 广东美芝精密制造有限公司 | Vehicle air conditioner and the vehicle with it |
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Application publication date: 20190809 |