CN208382606U - refrigeration system - Google Patents
refrigeration system Download PDFInfo
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- CN208382606U CN208382606U CN201820956747.8U CN201820956747U CN208382606U CN 208382606 U CN208382606 U CN 208382606U CN 201820956747 U CN201820956747 U CN 201820956747U CN 208382606 U CN208382606 U CN 208382606U
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Abstract
The utility model discloses a kind of refrigeration systems, comprising: compressor;Commutate component;Condenser;Subcooler;Evaporator;The first branch, one end of the first branch and the other end of condenser connect, and the other end of the first branch and the other end of subcooler connect, and the first branch is equipped with the second control valve;Second branch, one end of second branch and one end of subcooler connect, the other end of second branch and one end of condenser connect, second branch is equipped with third control valve, and when refrigeration system refrigeration, the first control valve is opened, second control valve and third control valve are closed, when refrigeration system heating, the first control valve is closed, and the second control valve and third control valve are opened.Refrigeration system according to the present utility model, while guaranteeing refrigeration performance, refrigerant passes through the pressure loss of subcooler when can reduce heating, to promote the heating performance of refrigeration system.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, more particularly, to a kind of refrigeration system.
Background technique
In the related technology, it is the refrigeration performance for promoting air conditioner, the outlet of the heat exchanger of air conditioner is provided with supercooling tube.
Although the presence of supercooling tube to freeze it is advantageous, the heating to air conditioner be it is unfavorable, air conditioner heating when, refrigerant enter
Firstly the need of flowing through supercooling tube before heat exchanger, and the state of refrigerant is usually the higher gas-liquid two-phase state of mass dryness fraction at this time, volume
Larger, all refrigerants " squeezing in a channel " cause refrigerant pressure loss to increase, to reduce the heating of system entirety
Amount.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model
One purpose is to propose that refrigeration system, the refrigeration system improve heating performance while guaranteeing refrigeration performance.
Refrigeration system according to the present utility model, comprising: compressor, the compressor have exhaust outlet and gas returning port;It changes
To component, the commutation component includes the first valve port, the second valve port, third valve port and the 4th valve port, first valve port and institute
It states exhaust outlet to be connected, the 4th valve port is connected with the gas returning port;Condenser, one end of the condenser and second valve
Mouth is connected;Subcooler, one end of the subcooler are connect with the other end of the condenser, and one end of the subcooler and institute
It states and is equipped with the first control valve between the other end of condenser;Evaporator, one end of the evaporator are another with the subcooler
End is connected, and the other end of the evaporator is connected with the third valve port;The first branch, one end of the first branch with it is described
The other end of condenser connects, and the other end of the first branch is connect with the other end of the subcooler, the first branch
It is equipped with the second control valve;Second branch, one end of the second branch are connect with one end of the subcooler, and described second
The other end on road is connect with one end of the condenser, and the second branch is equipped with third control valve, when the refrigeration system
When refrigeration, first control valve is opened, and second control valve and the third control valve are closed, when the refrigeration system system
When hot, first control valve is closed, and second control valve and the third control valve are opened.
Refrigeration system according to the present utility model, by the way that the first control valve, the second control valve and third control valve is arranged, when
When refrigeration system is in refrigeration mode, the first control valve is opened, and the second control valve and third control valve are closed, and is changed by condenser
Refrigerant after heat can summarize to subcooler, and further exchange heat in subcooler, increase the degree of supercooling of refrigerant, so that refrigerant
Temperature further decrease, to improve the refrigeration performance of refrigeration system.When refrigeration system is in heating mode, the first control
Valve processed is closed, and the second control valve and third control valve are opened, and refrigerant can be split into two parts, and a part of refrigerant enters condensation
Device heat exchange, another part refrigerant enters heat exchange in subcooler, so as to avoid the crowded runner in subcooler of all refrigerants
It is interior, the pressure loss that refrigerant passes through subcooler is thereby reduced, the heating performance of refrigeration system is improved.
Some embodiments according to the present utility model, first control valve, second control valve and the third control
At least one of valve processed is solenoid valve.
Some embodiments according to the present utility model, the refrigeration system further include the first tee tube, first threeway
The first port of pipe is connect with the other end of the condenser, the second port of first tee tube and the one of the subcooler
End connection, the third port of first tee tube are connect with one end of the first branch.
Some embodiments according to the present utility model, the refrigeration system further include the second tee tube, second threeway
4th port of pipe is connect with one end of the evaporator, and the fifth port of second tee tube is another with the subcooler
End connection, the 6th port of second tee tube is connect with the other end of the first branch.
Some embodiments according to the present utility model, the condenser include the heat exchange branch of multiple parallel connections.
Further, the condenser further includes header, and the header has the collection being connected with second valve port
Flow tube import and the header outlet being connected with multiple heat exchange branches.
Further, the header inlet is located on the end face of one end of the header, and the header outlet is set
On the periphery wall of the header.
Further, multiple header outlets are spaced apart along the length direction of the header.
In some embodiments of the utility model, the refrigeration system further includes part flow arrangement, the part flow arrangement tool
There are the shunting import connected with multiple heat exchange branches and the shunting connecting with one end of the subcooler to export.
Further, the part flow arrangement is distributor.
In some embodiments of the utility model, each heat exchange branch includes multiple sequentially connected U-tubes
Section.
Some embodiments according to the present utility model, the refrigeration system are air-conditioning system.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the partial structural diagram according to the refrigeration system of the utility model embodiment.
Appended drawing reference:
Refrigeration system 100,
One end 11 of condenser, the other end 12 of condenser,
Exchange heat branch 13, U-tube section 131, header 14, header inlet 141, header outlet 142, refluxing opening 143,
Subcooler 2, one end 21 of subcooler, the other end 22 of subcooler,
The first branch 3, one end 31 of the first branch, the other end 32 of the first branch,
Second branch 4, one end 41 of second branch, the other end 42 of second branch,
First tee tube 5, first port 51, second port 52, third port 53,
Second tee tube 6, the 4th port 61, fifth port 62, the 6th port 63,
Part flow arrangement 7 shunts import 71, shunts outlet 72,
First control valve 81, the second control valve 82, third control valve 83.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1 description according to the refrigeration system 100 of the utility model embodiment.
Refrigeration system 100 according to the present utility model, comprising: compressor, commutation component, condenser, evaporator, first
Road 3 and second branch 4.
Specifically, as shown in Figure 1, compressor has exhaust outlet and gas returning port, refrigerant enters pressure from the gas returning port of compressor
Contracting machine is discharged after the compression of compressor from the exhaust outlet of compressor.
As shown in Figure 1, commutation component include the first valve port, the second valve port, third valve port and the 4th valve port, the first valve port with
Exhaust outlet is connected, and the 4th valve port is connected with gas returning port, and one end 11 of condenser is connected with the second valve port, one end 21 of subcooler 2
It is connect with the other end 12 of condenser, and is equipped with the first control valve between one end 21 of subcooler 2 and the other end 12 of condenser
81, one end of evaporator is connected with the other end 22 of subcooler 2, and the other end of evaporator is connected with third valve port.
Under different working modes, commutation component can change the flow direction of refrigerant to refrigeration system 100 as a result,.Example
Such as, when refrigeration system 100 is in refrigeration mode, the first valve port and the connection of the second valve port, third valve port and the 4th valve port are connected to, warp
The compressed refrigerant of overcompression machine can flow through the first valve port of commutation component and the second valve port enters condenser;Refrigeration system
100 when being in heating mode, and the first valve port is connected to third valve port, and the second valve port and the 4th valve port are connected to, by compressor pressure
Refrigerant after contracting can flow through the first valve port of commutation component and third valve port enters evaporator.
As shown in Figure 1, one end 31 of the first branch 3 is connect with the other end 12 of condenser, the other end 32 of the first branch 3
It is connect with the other end 22 of subcooler 2, the first branch 3 is equipped with the second control valve 82.The second control valve 82 can control as a result,
The on-off of the first branch 3, to change the flow direction of refrigerant.For example, refrigerant can be along when the second control valve 82 is opened
The first branch 3 flows;When the second control valve 82 is closed, refrigerant is needed along other flow paths other than the first branch 3.
As shown in Figure 1, one end 41 of second branch 4 is connect with one end 21 of subcooler 2, the other end 42 of second branch 4
It being connect with one end 11 of condenser, second branch 4 is equipped with third control valve 83, when refrigeration system 100 is freezed, the first control
Valve 81 is opened, and the second control valve 82 and third control valve 83 are closed, and when refrigeration system 100 heats, the first control valve 81 is closed,
Second control valve 82 and third control valve 83 are opened.Thus it when refrigeration system 100 is in refrigeration mode, exchanges heat by condenser
Refrigerant afterwards can summarize to subcooler 2, and further exchange heat in subcooler 2, so that the temperature of refrigerant further decreases, from
And be conducive to increase the degree of supercooling of refrigerant, promote the refrigerating capacity of refrigeration system 100.When refrigeration system 100 is in heating mode,
Refrigerant can be split into two parts, and a part of refrigerant is directly entered condenser heat exchange, and another part refrigerant enters in subcooler 2
Heat exchange advantageously reduces refrigerant by subcooler 2 so as to avoid all refrigerants crowded in the runner of subcooler 2
The pressure loss so as to effectively promote the pressure of inspiration(Pi) of compressor, and then promotes the heating capacity of refrigeration system 100.
Refrigeration system 100 according to the present utility model passes through the first control valve 81 of setting, the second control valve 82 and third control
Valve 83 processed, when refrigeration system 100 is in refrigeration mode, the first control valve 81 is opened, the second control valve 82 and third control valve
83 close, and the refrigerant after condenser exchanges heat can summarize to subcooler 2, and further exchange heat in subcooler 2, be conducive to
The degree of supercooling for increasing refrigerant, so that the temperature of refrigerant further decreases, to improve the refrigeration performance of refrigeration system 100.When
When refrigeration system 100 is in heating mode, the first control valve 81 is closed, and the second control valve 82 and third control valve 83 are opened, cold
Matchmaker can be split into two parts, and a part of refrigerant enters condenser heat exchange, and another part refrigerant enters heat exchange in subcooler 2,
So as to avoid all refrigerants crowded in the runner of subcooler 2, thereby reduces refrigerant and damaged by the pressure of subcooler 2
It loses, improves the heating performance of refrigeration system 100.
Some embodiments according to the present utility model, as shown in Figure 1, the first control valve 81, the second control valve 82 and third
At least one of control valve 83 is solenoid valve.In other words, in the first control valve 81, the second control valve 82 and third control valve 83
One of them be solenoid valve;Or the two of them in first control valve 81, the second control valve 82 and third control valve 83 are
Solenoid valve;Or first control valve 81, the second control valve 82 and third control valve 83 are solenoid valve.Solenoid valve has small in size
The good advantage with the performance of anti-leak, the process of the opening and closing of solenoid valve are more rapid.In addition, the chemical property of solenoid valve
Relatively stable, corrosion resistance is strong.
Some embodiments according to the present utility model, at least one of the first control valve 81 and the second control valve 82 are single
To valve.In other words, one of them in the first control valve 81 and the second control valve 82 is check valve;Alternatively, the first control valve 81
It is check valve with the second control valve 82.Check valve is the control valve of refrigerant flow direction, and refrigerant only may be used when flowing through check valve
To flow into from the import of check valve and be flowed out from the outlet of check valve.
For example, in the embodiment shown in fig. 1, the flow direction of refrigerant is from the another of condenser in the first control valve 81
End 12 is flowed towards one end of subcooler 2 21, and the flow direction of refrigerant is the other end from the first branch in the second control valve 82
32 flow towards one end of the first branch 31.
Some embodiments according to the present utility model, as shown in Figure 1, refrigeration system 100 further includes the first tee tube 5, the
The first port 51 of one tee tube 5 is connect with the other end 12 of condenser, the second port 52 and subcooler 2 of the first tee tube 5
One end 21 connect, the third port 53 of the first tee tube 5 connect with one end 31 of the first branch 3.
The first tee tube 5 may be implemented the shunting of refrigerant or converge as a result, and refrigerant is shunted from a flow path
It is converged in a flow path to two flow paths, or by the refrigerant in two flow paths.In addition, the first tee tube 5 can be also used for
Change the flow direction of refrigerant.
It should be noted that when wherein the one of the first port 51 of the first tee tube 5, second port 52 and third port 53
A is refrigerant inlet, when other two is refrigerant exit, is controlled by the first control valve 81 of control, the second control valve 82 and third
Valve 83 turns on or off, and refrigerant can be along scheduled tube runs.When first port 51, second port 52 and third end
The two of them of mouth 53 are refrigerant inlet, when another is refrigerant exit, passes through and control the first control valve 81, the second control valve
82 and third control valve 83 turn on or off, refrigerant can also be along scheduled tube runs.
For example, in the embodiment shown in fig. 1, under refrigeration mode, the first control valve 81 is opened, the second control valve 82 and the
Three control valves 83 are closed, and refrigerant flows into the first port 31 of the first tee tube 5 from the other end 12 of condenser at this time, by first
After the steering of tee tube 5, refrigerant is flowed out from the second port 52 of the first tee tube 5, finally by after the heat exchange in subcooler 2
It is flowed towards one end of evaporator.
Some embodiments according to the present utility model, as shown in Figure 1, refrigeration system 100 further includes the second tee tube 6, the
4th port 61 of two tee tubes 6 is connect with one end of evaporator, and the fifth port 62 of the second tee tube 6 is another with subcooler 2
One end 22 connects, and the 6th port 63 of the second tee tube 6 is connect with the other end 32 of the first branch 3.
The second tee tube 6 may be implemented the shunting of refrigerant or converge as a result, and refrigerant is shunted from a flow path
It is converged in a flow path to two flow paths, or by the refrigerant in two flow paths.In addition, the second tee tube 6 can be also used for
Change the flow direction of refrigerant.
It should be noted that when wherein the one of the 4th port 61 of the second tee tube 6, fifth port 62 and the 6th port 63
A is refrigerant inlet, when other two is refrigerant exit, is controlled by the first control valve 81 of control, the second control valve 82 and third
Valve 83 turns on or off, and refrigerant can be along scheduled tube runs.When the 4th port 61, fifth port 62 and the 6th end
The two of them of mouth 63 are refrigerant inlet, when another is refrigerant exit, passes through and control the first control valve 81, the second control valve
82 and third control valve 83 turn on or off, refrigerant can also be along scheduled tube runs.
For example, in the embodiment shown in fig. 1, under heating mode, the first control valve 81 is closed, the second control valve 82 and the
Three control valves 83 are opened, and refrigerant is flowed into from the 4th port 61 of the second tee tube 6 at this time, after the shunting of the second tee tube 6,
A part of refrigerant is flowed out from the fifth port 62 of the second tee tube 6, and another part refrigerant is from the 6th port 63 of the second tee tube 6
Outflow.
Some embodiments according to the present utility model, as shown in Figure 1, condenser includes the heat exchange branch 13 of multiple parallel connections.
The heat exchange branch 13 of multiple parallel connections can increase the heat exchange area of refrigerant as a result, promote the heat exchange efficiency and heat exchange amount of refrigerant, from
And promote the performance of refrigeration system 100.In addition, can be gathered around by the heat exchange branch 13 that multiple parallel connections are arranged to avoid all refrigerants
It squeezes in a heat exchange pipeline, to reduce the energy loss of refrigerant.The meaning of " multiple " in the description of the present invention,
It is two or more.
Further, as shown in Figure 1, condenser further includes header 14, header 14 has to be connected with the second valve port
14 import 141 of header and the outlet of header 14 142 being connected with multiple heat exchange branches 13.It is understood that refrigerant can be with
Multiple heat exchange branches 13 are separately flowed into from multiple headers 14 outlet 142, are exported compared to a header 14 is provided only with
142,142 can be exported in a header 14 to avoid refrigerant is crowded, thus energy loss when reducing shunting, and then promoted
The performance of refrigeration system 100.
It should be noted that above-mentioned header 14 outlet 142, the flow direction of refrigerant can not be represented, refrigerant both can be with
From 142 outflow header 14 of the outlet of header 14, refrigerant can also export 142 from header 14 and flow into header 14.For example, system
When cold mode, refrigerant is from 142 outflow headers 14 of multiple headers 14 outlet, and in heating mode, refrigerant is from multiple affluxs
The outlet of pipe 14 142 flows into header 14.
In some embodiments of the utility model, as shown in Figure 1, header 14 has one end 41 with second branch 5
Connected refluxing opening 143.The refrigerant that heating mode lower part branches to subcooler 2 as a result, can be by second branch 5 and refluxing opening
143 directly import header 14, to improve the heat exchange efficiency and heat exchange amount of refrigerant.
Further, as shown in Figure 1, on the end face of one end that 14 import 141 of header is located at header 14, header 14
Outlet 142 is located on the periphery wall of header 14.Thus, it is possible to reduce header 14 import 141 and the outlet of header 14 142
Difficulty of processing reduces the manufacturing cost of 14 import 141 of header and the outlet of header 14 142, shortens 14 import of header, 141 He
The process-cycle of the outlet of header 14 142.In addition, the outlet of header 14 142 is located on the periphery wall of header 14, so that respectively
Branch 13 exchange heat when connecting with header 14, simpler convenience, just for example, by using the mode of welding or fastener connection
It may be implemented.
Further, as shown in Figure 1, the outlet of multiple headers 14 142 is spaced apart along the length direction of header 14.By
This, the refrigerant in header 14 is when flowing out header 14, it is possible to reduce shunts uneven ask at each outlet of header 14 142
Topic, while refrigerant is when the outlet of multiple headers 14 142 by being spaced apart imports header 14, it is possible to reduce close to afflux
Pipe 14 exports the interference between the refrigerant of 142 positions, to reduce the energy loss of refrigerant.
In the description of the present invention, it should be understood that term " length " is orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In some embodiments of the utility model, as shown in Figure 1, refrigeration system 100 further includes part flow arrangement 7, shunt
The shunting outlet 72 that device 7 has the shunting import 71 connected with multiple heat exchange branches 13 and connect with one end 21 of subcooler 2.
As a result, under refrigeration mode, refrigerant of multiple heat exchange branches 13 after heat exchange can converge in part flow arrangement 7, and be subcooled
Continue to exchange heat in device 2, so as to promote the degree of supercooling of refrigerant, so that the temperature of refrigerant further decreases, and then promotes refrigeration
The refrigeration performance of system 100.In addition, refrigerant can be changed multiple respectively after the shunting of part flow arrangement 7 under heating mode
Heat exchange is completed in hot branch 13, to promote the heat exchange amount of refrigerant.
It should be noted that above-mentioned shunting outlet 72 and shunting import 71, can not represent the flow direction of refrigerant, refrigerant
Both part flow arrangement 7 can be flowed out from import 71 is shunted, refrigerant can also flow into part flow arrangement 7 from import 71 is shunted.Similarly, cold
Matchmaker both can be from 72 outflow part flow arrangement 7 of outlet be shunted, and refrigerant can also flow into part flow arrangement 7 from outlet 72 is shunted.For example,
When refrigeration mode, refrigerant flows into part flow arrangement 7 from multiple shunting imports 71, flows out part flow arrangement 7 from outlet 72 is shunted.It is heating
When mode, refrigerant flows into part flow arrangement 7 from outlet 72 is shunted, and flows out part flow arrangement 7 from multiple shunting imports 71.
Further, as shown in Figure 1, part flow arrangement 7 is distributor.The structure of distributor is simple, may be implemented to refrigerant
Shunting or confluence, and distributor has the advantages that manufacturing cost is lower, the production cycle is shorter and long service life, is easy to fill
Match and repairs.
In some embodiments of the utility model, as shown in Figure 1, each heat exchange branch 13 includes multiple is sequentially connected
U-tube section 131.Flow resistance when refrigerant flows in U-tube section 131 is smaller, it is possible to reduce in refrigerant flow process
Energy loss.In addition, U-tube section 131 has biggish heat exchange area, so as to increase the heat exchange amount of refrigerant.Optionally, more
A sequentially connected U-tube section 131 can be attached using multiple rows of or multiple row arrangement mode, and multiple U-tube sections 131 can
Think 10,20,30,40 or more.
Specifically, when refrigeration system 100 is in refrigeration mode, the first control valve 81 is opened, the second control valve 82 and the
Three control valves 83 are closed.Refrigerant in header 14 flows respectively from the outlet of multiple headers 14 142 on 14 periphery wall of header
To multiple heat exchange branches 13, and heat exchange is completed in the U-tube section 131 of heat exchange branch 13, and then converge to part flow arrangement 7
It is interior;Enter subcooler 2 after then passing through part flow arrangement 7, the first tee tube 5 and the first control valve 81, in subcooler 2 further
After heat exchange, the 4th port 61 outflow through the second tee tube 6.
When refrigeration system 100 is in refrigeration mode, the first control valve 81 is closed, the second control valve 82 and third control valve
83 open.The coolant distribution flowed into from the 4th port 61 of the second tee tube 6 is at two parts, and the refrigerant of first part is from the two or three
The fifth port 62 of siphunculus 6 flows into subcooler 2, after exchanging heat in subcooler 2, imports header 14 through second branch 4;Second
The refrigerant divided imports part flow arrangement 7 through the first branch 3 and the first tee tube 5, branches to multiple heat exchange branches by part flow arrangement 7
13, and header 14 is converged to after exchanging heat in the U-tube section 131 of heat exchange branch 13.Wherein, the pipe of first part's refrigerant flow
Diameter can be less than or equal to the caliber of second part refrigerant flow, it is possible thereby to control first part's refrigerant and second part is cold
The relative discharge of matchmaker, to realize the maximization of heating capacity.
Some embodiments according to the present utility model, as shown in Figure 1, refrigeration system 100 is air-conditioning system.It is understood that
It is above-mentioned refrigeration system 100 can be applied in air-conditioning technical, so that system can be reduced while guaranteeing air conditioner refrigerating performance
Refrigerant passes through the pressure loss of subcooler 2 when hot, to improve the heating performance of air-conditioning system.
Certain the utility model is without being limited thereto, and refrigeration system 100 can also be applied to air-conditioning, refrigerator or freezer etc..
Below with reference to Fig. 1 description according to the refrigeration system 100 of the utility model specific embodiment.It is worth understanding, under
It states description to be only exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.This reality
It can be applied to air-conditioning, refrigerator or freezer etc. with novel refrigeration system 100.In the description below the utility model, with
Refrigeration system 100 is applied to be illustrated for air-conditioning.
As shown in Figure 1, refrigeration system 100 includes: compressor, commutation component, condenser, subcooler 2, evaporator, first
Branch 3, second branch 4, the first tee tube 5, the second tee tube 6 and part flow arrangement 7.Wherein, the first control valve 81, second controls
It is solenoid valve in valve 82 and third control valve 83.
As shown in Figure 1, compressor has exhaust outlet and gas returning port, commutation component includes the first valve being connected with exhaust outlet
Mouth, the second valve port, third valve port and the 4th valve port being connected with gas returning port.
As shown in Figure 1, condenser includes the heat exchange branch 13 of header 14 and multiple parallel connections, one end 11 of condenser and
Two valve ports are connected;Header 14 has 14 import 141 of header being connected with the second valve port and is connected with multiple heat exchange branches 13
The outlet of header 14 142, on the end face of one end that 14 import 141 of header is located at header 14, the outlet of header 14 142 is set
On the periphery wall of header 14, multiple outlets of header 14 142 are spaced apart along the length direction of header 14, each heat exchange
Branch 13 includes multiple sequentially connected U-tube sections 131.In addition, part flow arrangement 7, which has, exchanges heat what branches 13 were connected with multiple
Shunt import 71 and the shunting connecting with one end 21 of subcooler 2 outlet 72.
As shown in Figure 1, one end 21 of subcooler 2 is connect with the other end 12 of condenser, and one end 21 of subcooler 2 with it is cold
The first control valve 81 is equipped between the other end 12 of condenser.One end of evaporator is connected with the other end 22 of subcooler 2, evaporator
The other end be connected with third valve port;
As shown in Figure 1, one end 31 of the first branch 3 is connect with the other end 12 of condenser, the other end 32 of the first branch 3
It is connect with the other end 22 of subcooler 2, the first branch 3 is equipped with the second control valve 82.One end 41 of second branch 4 and subcooler
2 one end 21 connects, and the other end 42 of second branch 4 is connect with the refluxing opening 143 of header 14, and second branch 4 is equipped with the
Three control valves 83.
As shown in Figure 1, the first port 51 of the first tee tube 5 is connect with the other end 12 of condenser, the first tee tube 5
Second port 52 is connect with one end 21 of subcooler 2, and the third port 53 of the first tee tube 5 and one end 31 of the first branch 3 connect
It connects.4th port 61 of the second tee tube 6 is connect with one end of evaporator, the fifth port 62 and subcooler 2 of the second tee tube 6
The other end 22 connect, the 6th port 63 of the second tee tube 6 is connect with the other end 32 of the first branch 3.
As shown in Figure 1, first control valve 81 is opened, 82 He of the second control valve when refrigeration system 100 is in refrigeration mode
Third control valve 83 is closed.Refrigerant in header 14 is distinguished from the outlet of multiple headers 14 142 on 14 periphery wall of header
Multiple heat exchange branches 13 are flowed to, and complete heat exchange in the U-tube section 131 of heat exchange branch 13, and then converge to part flow arrangement 7
It is interior;Enter subcooler 2 after then passing through part flow arrangement 7, the first tee tube 5 and the first control valve 81, in subcooler 2 further
After heat exchange, the 4th port 61 outflow through the second tee tube 6.
As shown in Figure 1, first control valve 81 is closed, 82 He of the second control valve when refrigeration system 100 is in refrigeration mode
Third control valve 83 is opened.The coolant distribution flowed into from the 4th port 61 of the second tee tube 6 at two parts, first part it is cold
Matchmaker flows into subcooler 2 from the fifth port 62 of the second tee tube 6, after exchanging heat in subcooler 2, imports afflux through second branch 4
Pipe 14;The refrigerant of second part imports part flow arrangement 7 through the first branch 3 and the first tee tube 5, branches to by part flow arrangement 7
Multiple heat exchange branches 13, and header 14 is converged to after exchanging heat in the U-tube section 131 of heat exchange branch 13.
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 contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (12)
1. a kind of refrigeration system characterized by comprising
Compressor, the compressor have exhaust outlet and gas returning port;
Commutate component, and the commutation component includes the first valve port, the second valve port, third valve port and the 4th valve port, first valve
Mouth is connected with the exhaust outlet, and the 4th valve port is connected with the gas returning port;
Condenser, one end of the condenser are connected with second valve port;
Subcooler, one end of the subcooler are connect with the other end of the condenser, and one end of the subcooler with it is described
The first control valve is equipped between the other end of condenser;
Evaporator, one end of the evaporator are connected with the other end of the subcooler, the other end of the evaporator with it is described
Third valve port is connected;
The first branch, one end of the first branch are connect with the other end of the condenser, the other end of the first branch
It is connect with the other end of the subcooler, the first branch is equipped with the second control valve;
Second branch, one end of the second branch are connect with one end of the subcooler, the other end of the second branch with
One end of the condenser connects, and the second branch is equipped with third control valve,
When refrigeration system refrigeration, first control valve is opened, and second control valve and the third control valve are closed
It closes, when refrigeration system heating, first control valve is closed, and second control valve and the third control valve are beaten
It opens.
2. refrigeration system according to claim 1, which is characterized in that first control valve, second control valve and
At least one of described third control valve is solenoid valve.
3. refrigeration system according to claim 1, which is characterized in that the refrigeration system further includes the first tee tube, institute
The first port for stating the first tee tube is connect with the other end of the condenser, the second port of first tee tube with it is described
One end of subcooler connects, and the third port of first tee tube is connect with one end of the first branch.
4. refrigeration system according to claim 1, which is characterized in that the refrigeration system further includes the second tee tube, institute
The 4th port for stating the second tee tube is connect with one end of the evaporator, the fifth port and the mistake of second tee tube
The other end of cooler connects, and the 6th port of second tee tube is connect with the other end of the first branch.
5. refrigeration system according to claim 1, which is characterized in that the condenser includes the heat exchange branch of multiple parallel connections
Road.
6. refrigeration system according to claim 5, which is characterized in that the condenser further includes header, the afflux
Manage the header outlet that there is the header inlet being connected with second valve port and be connected with multiple heat exchange branches.
7. refrigeration system according to claim 6, which is characterized in that the header inlet is located at the one of the header
On the end face at end, the header outlet is located on the periphery wall of the header.
8. refrigeration system according to claim 7, which is characterized in that multiple header outlets are along the header
Length direction is spaced apart.
9. refrigeration system according to claim 5, which is characterized in that further include part flow arrangement, the part flow arrangement has
The shunting import connected with multiple heat exchange branches and the shunting connecting with one end of the subcooler export.
10. refrigeration system according to claim 9, which is characterized in that the part flow arrangement is distributor.
11. refrigeration system according to claim 5, which is characterized in that each heat exchange branch include it is multiple successively
The U-tube section of connection.
12. refrigeration system according to claim 1, which is characterized in that the refrigeration system is air-conditioning system.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110736152A (en) * | 2019-09-24 | 2020-01-31 | 青岛海尔空调器有限总公司 | Condenser, air conditioner outdoor unit and air conditioner |
CN112594974A (en) * | 2020-12-17 | 2021-04-02 | 青岛海尔智能技术研发有限公司 | Heat exchanger and air conditioner |
WO2023040297A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Heat exchanger and refrigeration cycle system |
-
2018
- 2018-06-20 CN CN201820956747.8U patent/CN208382606U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110736152A (en) * | 2019-09-24 | 2020-01-31 | 青岛海尔空调器有限总公司 | Condenser, air conditioner outdoor unit and air conditioner |
CN112594974A (en) * | 2020-12-17 | 2021-04-02 | 青岛海尔智能技术研发有限公司 | Heat exchanger and air conditioner |
WO2023040297A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Heat exchanger and refrigeration cycle system |
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