CN207649165U - Air source heat pump system - Google Patents
Air source heat pump system Download PDFInfo
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- CN207649165U CN207649165U CN201721458591.2U CN201721458591U CN207649165U CN 207649165 U CN207649165 U CN 207649165U CN 201721458591 U CN201721458591 U CN 201721458591U CN 207649165 U CN207649165 U CN 207649165U
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- evaporator
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Abstract
The utility model provides a kind of air source heat pump system, is related to technical field of heat pumps, and air source heat pump system includes：First subsystem and the second subsystem；First subsystem includes：First compressor, the first condenser, the first gas-liquid separator, First Heat Exchanger, first throttle valve, second throttle, the first evaporator；Second subsystem includes：Second compressor, the second condenser, the second gas-liquid separator, the second heat exchanger, the 4th throttle valve, the 5th throttle valve, the 6th throttle valve, the second evaporator.Air source heat pump system pair first evaporator can defrost while persistently being heated in the utility model.
Description
Technical field
The utility model is related to technical field of heat pumps, in particular to a kind of air source heat pump system and.
Background technology
High compression ratio can be achieved in self-folding type air source heat pump cycle, can be run under the working environment of the big temperature difference, especially
The hot water for remaining to normally provide 65 DEG C or more in low ambient temperature, can be satisfied with extensively people production or life heating or
Use water.But it is less to the research of Auto-cascade cycle air source heat pump defrosting at present, existing Auto-cascade cycle air source heat pump circulates in low
When being heated under warm high humidity environment, evaporimeter frosting phenomenon is more serious.Can cause when evaporimeter frosting is thicker heating effect compared with
The consequence of difference is introduced directly into evaporator according to traditional compressor air-discharging and carries out direct hot gas bypass defrosting, defrosting used
Energy only is from compressor wasted work, thus leads to the liquid refrigerant that defrosting speed is slow, hot gas defrosting finisher generates there are nothings
The problem of method is evaporated, the problems such as so easily causing compressor air suction band liquid during defrosting and be unable to continuous heating.
Utility model content
The utility model is intended to provide one kind and pair the first evaporator can be carried out while persistently being heated
The air source heat pump system of defrosting.
The utility model provides a kind of air source heat pump system, including：First subsystem and the second subsystem；Described
One subsystem includes：First compressor, the first condenser, the first gas-liquid separator, First Heat Exchanger, first throttle valve, second
Throttle valve, the first evaporator；Second subsystem includes：Second compressor, the second condenser, the second gas-liquid separator, the
Two heat exchangers, the 4th throttle valve, the 5th throttle valve, the 6th throttle valve, the second evaporator；First condenser can be with described
The outlet end of one compressor is connected, and the input end of first gas-liquid separator is connected with first condenser, described
The gas outlet end of first gas-liquid separator is connected with the second end of the second pipeline of the First Heat Exchanger, first gas
The liquid outlet end of liquid/gas separator is connected with the first throttle valve, and the of the first throttle valve and the First Heat Exchanger
The first end of three pipelines is connected, and the second end of the third pipeline of the First Heat Exchanger can be with the import of first compressor
End is connected, and the first end of the second pipeline of the First Heat Exchanger is connected with the second throttle, second throttling
Valve is connected with the first end of first evaporator, the second end of first evaporator can with first compressor into
Mouth end, the 6th throttle valve are connected, and the first end of first evaporator can be with the outlet end phase of first compressor
Connection, the 6th throttle valve is connected with the first pipeline second end of second heat exchanger, and the of second heat exchanger
One pipeline first end can be connected with the input end of first compressor；Second condenser can be with second compressor
Outlet end be connected, the input end of second gas-liquid separator is connected with second condenser, second gas-liquid
The gas outlet end of separator is connected with the first end of the second pipeline of second heat exchanger, second gas-liquid separator
Liquid outlet end be connected with the 4th throttle valve, the third pipeline of the 4th throttle valve and second heat exchanger
Second end is connected, and the first end of the third pipeline of second heat exchanger can be connected with the input end of second compressor
Logical, the second end of the second pipeline of second heat exchanger is connected with the 5th throttle valve, the 5th throttle valve and institute
The first end for stating the second evaporator is connected, and the second end of second evaporator can be with the input end phase of second compressor
Connection.
In a preferred embodiment, first subsystem further includes third gas-liquid separator, the third gas
The outlet end of liquid/gas separator is connected with the input end of first compressor, and the input end of the third gas-liquid separator can divide
Not with the second end of first evaporator, the second end of the third pipeline of the First Heat Exchanger, second heat exchanger
The first end of first pipeline is connected；
In a preferred embodiment, second subsystem further includes the 4th gas-liquid separator, the 4th gas
The outlet end of liquid/gas separator is connected with the input end of second compressor, and the input end of the 4th gas-liquid separator can divide
Not with the second end of second evaporator, the first end of the third pipeline of second heat exchanger.
In a preferred embodiment, first subsystem further includes third throttle valve, the third throttle valve
One end can be connected with the liquid outlet end of first gas-liquid separator, and the other end of the third throttle valve can be with described
The first end of first pipeline of one heat exchanger is connected, and the second end of the first pipeline of the First Heat Exchanger can be with described first
The gas supplementing opening of compressor is connected.
In a preferred embodiment, it is provided with the first temperature measuring equipment on first evaporator.
In a preferred embodiment, first subsystem further includes third throttle valve；Second evaporator
First end can be connected with the outlet end of second compressor, the first of the third throttle valve and the First Heat Exchanger
Pipeline first end is connected, and the first pipeline second end of the First Heat Exchanger can be connected with the input end of second compressor
It is logical；The third throttle valve can be connected with the second end of second evaporator.
In a preferred embodiment, the liquid outlet end of second gas-liquid separator can be with the 6th throttling
Valve is connected, and the first end of the first pipeline of second heat exchanger can be connected with the gas supplementing opening of second compressor.
In a preferred embodiment, it is provided with second temperature measuring device on second evaporator.
1, the air source heat pump system in the application makes the liquid refrigerant that the first evaporator of the first subsystem generates
Evaporation institute's calorific requirement from the second gas-liquid separator separates under the normal heating of the second subsystem of another not defrost by coming out gas
State working medium condenses or even supercooling provides, the normal heating draw heat from air of the second subsystem, therefore the in defrost first son
Wasted work and another second subsystem for normally heating of the heat of system defrosting from the first compressor itself are from environment
The heat of absorption.The energy for increasing the first subsystem of defrosting through the above way reduces removing for the first subsystem of defrosting
The white time solves the problems, such as the first evaporator liquid refrigerant working medium evaporation of the first subsystem of defrosting.At the same time, also
Effectively enhance the condensation effect of the gaseous working medium come out from the second gas-liquid separator separates in the second subsystem of heating.
2, the air source heat pump system in the application can pass through the second son while defrosting to the first evaporator
Systems stay is heated, at the same the effect of the first evaporator defrosting for electric heated defrosting the more preferable, time faster, and
And the liquid refrigerant generated when defrosting to the first evaporator can be evaporated, so as to avoid causing liquid hammer to compressor
Risk.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the system diagram of air source heat pump system according to the present utility model.
Reference sign：
1, the first compressor；2, the first condenser；3, the first gas-liquid separator；4, First Heat Exchanger；41, First Heat Exchanger
The first pipeline；42, the second pipeline of First Heat Exchanger；43, the third pipeline of First Heat Exchanger；5, the first evaporator；51,
One temperature measuring equipment；6, the first wind turbine；7, third gas-liquid separator；8, first throttle valve；9, second throttle；10, third
Throttle valve；11, the one one valve；12, the one or two valve；13, the one or three valve；14, the one or four valve；15, the one or five valve；
16, the one or six valve；17, the one or seven valve；21, the 2nd 1 valve；22, the two or two valve；23, the two or three valve；24, second
Four valves；25, the two or five valve；26, the two or six valve；27, the two or seven valve；31, the second compressor；32, the second condenser；
33, the second gas-liquid separator；34, the second heat exchanger；341, the first pipeline of the second heat exchanger；342, the second of the second heat exchanger
Pipeline；343, the third pipeline of the second heat exchanger；35, the second evaporator；351, second temperature measuring device；36, the second wind turbine；
37, the 4th gas-liquid separator；38, the 4th throttle valve；39, the 5th throttle valve；40, the 6th throttle valve；A, first end；B, second
End.
Specific implementation mode
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the system diagram of air source heat pump system according to the present utility model, in the embodiments of the present invention
In propose a kind of air source heat pump system, which may include：First subsystem and the second subsystem；The
One subsystem includes：First compressor 1, the first condenser 2, the first gas-liquid separator 3, First Heat Exchanger 4, first throttle valve 8,
Second throttle 9, the first evaporator 5；Second subsystem includes：Second compressor 31, the second condenser 32, the second gas-liquid separation
Device 33, the second heat exchanger 34, the 4th throttle valve 38, the 5th throttle valve 39, the 6th throttle valve 40, the second evaporator 35；First is cold
Condenser 2 can be connected with the outlet end of the first compressor 1, and the input end of the first gas-liquid separator 3 is connected with the first condenser 2
It connects, the gas outlet end of the first gas-liquid separator 3 is connected with the second end B of the second pipeline 42 of First Heat Exchanger, the first gas
The liquid outlet end of liquid/gas separator 3 is connected with first throttle valve 8, the third pipeline 43 of first throttle valve 8 and First Heat Exchanger
First end A be connected, the second end B of the third pipeline 43 of First Heat Exchanger can be connected with the input end of the first compressor 1,
The first end A of second pipeline 42 of First Heat Exchanger is connected with second throttle 9, second throttle 9 and the first evaporator 5
First end A is connected, and the second end B of the first evaporator 5 can be connected with the input end of the first compressor 1, the 6th throttle valve 40,
The first end A of first evaporator 5 can be connected with the outlet end of the first compressor 1, the 6th throttle valve 40 and the second heat exchanger
First pipeline, 341 second end B is connected, and the 341 first end A of the first pipeline of the second heat exchanger can be with the import of the first compressor 1
End is connected；Second condenser 32 can be connected with the outlet end of the second compressor 31, the input end of the second gas-liquid separator 33
It is connected with the second condenser 32, the gas outlet end of the second gas-liquid separator 33 and the second pipeline 342 of the second heat exchanger
First end A is connected, and the liquid outlet end of the second gas-liquid separator 33 is connected with the 4th throttle valve 38, the 4th throttle valve 38 with
The second end B of the third pipeline 343 of second heat exchanger is connected, and the first end A of the third pipeline 343 of the second heat exchanger can be with
The input end of two compressors 31 is connected, and the second end B of the second pipeline 342 of the second heat exchanger is connected with the 5th throttle valve 39
It connects, the 5th throttle valve 39 is connected with the first end A of the second evaporator 35, and the second end B of the second evaporator can be with the second compression
The input end of machine 31 is connected.
The refrigerant used in entire air source heat pump system can be non-azeotropic mixed working medium.First condenser 2 and
Two condensers 32 are for heating water, so that air source heat pump system being capable of outside hot-water supply.
As shown in Figure 1, the first wind turbine 6 can be provided at the first evaporator 5, can be arranged at the second evaporator 35
Second wind turbine 36 can reinforce the heat transfer effect of the first evaporator 5 and the second evaporator 35 through the above way.In order to enable into
The input end for entering the first compressor 1 is gas, and the first subsystem further includes third gas-liquid separator 7, third gas-liquid separator 7
Outlet end be connected with the input end of the first compressor 1, the input end of third gas-liquid separator 7 can respectively with the first evaporator
5 second end B, the second end B of the third pipeline 43 of First Heat Exchanger, the second heat exchanger the first pipeline 341 first end A phases
Connection.Similarly, in order to enable the input end into the second compressor 31 is gas, the second subsystem further includes the 4th gas-liquid point
From device 37, the outlet end of the 4th gas-liquid separator 37 is connected with the input end of the second compressor 31, the 4th gas-liquid separator 37
Input end can respectively with the second end B of the second evaporator 35, the first end A of the third pipeline 343 of the second heat exchanger.
It can be provided with the first temperature measuring equipment 51 on first evaporator 5, be used to detect whether the first evaporator 5 is tied
Frost.First temperature measuring equipment 51 can specifically include defrost temperature sensing package.
As shown in Figure 1, in order to make the first subsystem in heating in the liquid outlet end of the first gas-liquid separator 3
Fraction rich in high boiling component working medium non-azeotropic mixed working medium can be depressured after evaporation endothermic become superheated steam finally into
Enter and realize air injection enthalpy-increasing in the gas supplementing opening of the first compressor 1, the first subsystem can also include third throttle valve 10, third throttling
10 one end of valve can be connected with the liquid outlet end of the first gas-liquid separator 3, and the other end of third throttle valve 10 can be changed with first
The first end A of first pipeline 41 of hot device is connected, and the second end B of the first pipeline 41 of First Heat Exchanger can be with the first compressor
1 gas supplementing opening is connected.In this way, fraction is rich in high boiling component working medium in the liquid outlet end of the first gas-liquid separator 3
Non-azeotropic mixed working medium can be inhaled after 10 reducing pressure by regulating flow of third throttle valve into evaporation in the first pipeline 41 of First Heat Exchanger
Then thermal change is entered by the gas supplementing opening of the first compressor 1 in the first compressor 1, at superheated vapor to realize air injection enthalpy-increasing.
In order to control the connection and disconnection between all parts, as shown in Figure 1,1 outlet end of the first compressor and the
It is provided with the one one valve 11 before one condenser 2, is set between 1 outlet end of the first compressor and the first end A of the first evaporator 5
It is equipped with the one or two valve 12, the one or three valve is provided between the liquid outlet end and third throttle valve 10 of the first gas-liquid separator 3
Door 13, the one or four valve is provided between the gas supplementing opening of the first compressor 1 and the second end B of the first pipeline 41 of First Heat Exchanger
14, the one or five valve 15, the first compressor are provided between the second end B of the first evaporator 5 and the input end of the first compressor 1
It is provided with the one or six valve 16, the second heat exchanger between the first end A of first pipeline 341 of 1 input end and the second heat exchanger
The first pipeline 341 second end B and the second end B of the first evaporator 5 between be provided with the one or seven valve 17, the second compressor
It is provided with the 2nd 1 valve 21, the compressions of the second end B of the second evaporator 35 and second before 31 outlet ends and the second condenser 32
The two or five valve 25 is provided between the input end of machine 31.
In a preferred embodiment, in order to also carry out defrosting processing to the second evaporator 35, second evaporates
Second temperature measuring device 351 is provided on device 35, be used to detect the second evaporator 35 whether frosting, second temperature measures dress
It sets 351 and can specifically include defrost temperature sensing package.The first end A of second evaporator 35 can be connected with the outlet end of the second compressor 31
Logical, third throttle valve 10 is connected with the 41 first end A of the first pipeline of First Heat Exchanger, the first pipeline 41 of First Heat Exchanger the
Two end B can be connected with the input end of the second compressor 31；Third throttle valve 10 can be connected with the second end B of the second evaporator 35
It is logical.In order to control the connection and disconnection between all parts, as shown in Figure 1,31 outlet end of the second compressor is steamed with second
It is provided with the two or two valve 22, the input end of the second compressor 31 and the first of First Heat Exchanger between the first end A of hair device 35
The two or six valve 26 is provided between the second end B of pipeline 41, the first end A of the first pipeline 41 of First Heat Exchanger and second steams
It is provided with the two or seven valve 27 between the second end B of hair device 35.
In a preferred embodiment, as shown in Figure 1, in order to make the second subsystem second gas in heating
Non-azeotropic mixed working medium of the fraction rich in high boiling component working medium steams after capable of being depressured in the liquid outlet end of liquid/gas separator 33
Hair heat absorption becomes superheated steam and eventually enters into the gas supplementing opening of the second compressor 31 to realize air injection enthalpy-increasing, the second gas-liquid separator 33
Liquid outlet end can be connected with the 6th throttle valve 40, the first end A of the first pipeline 341 of the second heat exchanger can be with the second pressure
The gas supplementing opening of contracting machine 31 is connected.It is provided with second between the liquid outlet end and the 6th throttle valve 40 of second gas-liquid separator 33
Three valves 23 are provided with second between the gas supplementing opening of second compressor 31 and the first end A of the first pipeline 341 of the second heat exchanger
Four valves 24,
The operational process of air source heat pump system in the application is as follows：When detect the first evaporator 5 and second evaporate
Device 35 non-frosting when, air source heat pump system is in heating mode, i.e. the first subsystem and the second subsystem normally heat.
At this point, closing the one or two valve 12, the one or six valve 16, the one or seven valve 17, the two or two valve 22, the two or six valve 26, the
Two or seven valves 27 open the one one valve 11, the one or three valve 13, the one or four valve 14, the one or five valve 15, the 2nd 1 valve
21, the two or three valve 23, the two or four valve 24, the two or five valve 25, the outlet end and first to be connected to the first compressor 1 are cold
Condenser 2, the second end B of the first evaporator 5 and the input end of the first compressor 1, the outlet end of the second compressor 31 and second are cold
Condenser 32, the input end of the second end B of the second evaporator 35 and the second compressor 31,10 one end of third throttle valve and the first gas-liquid
The first end A of first pipeline 41 at the liquid outlet end of separator 3, the other end of third throttle valve 10 and First Heat Exchanger,
The gas supplementing opening of the second end B and the first compressor 1 of first pipeline 41 of one heat exchanger, disconnect the first compressor 1 outlet end with
The second end B of first pipeline 341 of the first end A of the first evaporator 5, the second end B of the first evaporator 5 and the second heat exchanger,
The input end of the first end A and the first compressor 1 of first pipeline 341 of the second heat exchanger.The first logically program control of wind turbine 6
System operating, the second wind turbine 36 logically program-controlled running.First throttle valve 8, second throttle 9, third throttle valve 10,
Four throttle valves 38, the 5th throttle valve 39, the 6th throttle valve 40 are controlled to open according to program and be adjusted.
Non-azeotropic mixed working medium is after the compression of the first compressor 1 in first subsystem, the outlet end row through the first compressor 1
The overheated gas for going out high temperature and pressure enters the first condenser 2 after the one one valve 11 and condenses heat release, and the first condenser 2 continues
Hot water is constantly provided.It is a large amount of high in the first condenser 2 since the boiling point of two kinds of component working medium in non-azeotropic mixed working medium is different
The working medium of the working medium of boiling point component and a small amount of low boiling component first condenses into liquid, and most of low boiling component working medium and a small amount of
High boiling component working medium still keeps gaseous state.Non-azeotropic mixed working medium is separated into gas-liquid two-way into the first gas-liquid separator 3,
The liquid non-azeotropic mixed working medium of high boiling component working medium is largely rich in fluid path from the liquid outlet of the first gas-liquid separator 3
End outflow becomes gaseous state work after 8 reducing pressure by regulating flow of first throttle valve into evaporation endothermic in the third pipeline 43 of First Heat Exchanger
Matter.Non-azeotropic mixed working medium of the fraction rich in high boiling component working medium after the one or three valve 13 through third by throttling in fluid path
By the one or four valve after becoming superheated vapor into evaporation endothermic in the first pipeline 41 of First Heat Exchanger after 10 reducing pressure by regulating flow of valve
Entered in the first compressor 1 by the gas supplementing opening of the first compressor 1 after door 14, realizes air injection enthalpy-increasing；Gas circuit is rich in low boiling component
The gaseous state non-azeotropic mixed working medium of working medium is flowed out from the gas outlet end of the first gas-liquid separator 3, the heat release in First Heat Exchanger 4
It is condensed into after liquid through 9 reducing pressure by regulating flow of second throttle, then enters after 5 evaporation endothermic of the first evaporator through the first five valves 15
It is mixed with the gaseous working medium from First Heat Exchanger 4 out, by mixed working medium through 7 gas-liquid separation of third gas-liquid separator
It sucked, compress by the first compressor 1 by the input end of the first compressor 1 afterwards, to complete entire cycle.
Non-azeotropic mixed working medium is after the compression of the second compressor 31 in second subsystem, the outlet end through the second compressor 31
The overheated gas of high temperature and pressure is discharged, the second condenser 32 is entered after the 2nd 1 valve 21 and condenses heat release, the second condenser 32
It is constant that hot water is provided.Since the boiling point of two kinds of component working medium in non-azeotropic mixed working medium is different, in the second condenser 32
A large amount of working medium of high boiling component and the working medium of a small amount of low boiling component first condense into liquid, and most of low boiling component working medium
Gaseous state is still kept with a small amount of high boiling component working medium.Non-azeotropic mixed working medium is separated into gas into the second gas-liquid separator 33
Liquid two-way is largely rich in the liquid non-azeotropic mixed working medium of high boiling component working medium in fluid path from the second gas-liquid separator 33
Liquid outlet end is flowed out, into evaporation endothermic in the third pipeline 343 of the second heat exchanger after 38 reducing pressure by regulating flow of the 4th throttle valve
Become gaseous working medium.After non-azeotropic mixed working medium of the fraction rich in high boiling component working medium is by the two or three valve 23 in fluid path
Lead to after becoming superheated vapor into evaporation endothermic in the first pipeline 341 of the second heat exchanger after 40 reducing pressure by regulating flow of the 6th throttle valve
Entered in the second compressor 31 by the gas supplementing opening of the second compressor 31 after crossing the two or four valve 24, realizes air injection enthalpy-increasing；Gas circuit is rich
The gaseous state non-azeotropic mixed working medium of the working medium containing low boiling component is flowed out from the gas outlet end of the second gas-liquid separator 33, second
In heat exchanger 34 exothermic condensation be liquid after through 39 reducing pressure by regulating flow of the 5th throttle valve, then enter 35 evaporation endothermic of the second evaporator
Gaseous working medium mixing by the two or five valve 25 and from the second heat exchanger 34 out, by mixed working medium through the 4th gas
It sucked, compress by the second compressor 31 by the input end of the second compressor 31 after 37 gas-liquid separation of liquid/gas separator, it is whole to complete
A cycle.
When detecting the first 5 frosting of evaporator, that is, the first temperature measuring equipment 51 inspection on the first evaporator 5 is set
When measuring the defrosting temperature for reaching setting, air source heat pump system is in 5 defrosting mode of the first evaporator, i.e. the first subsystem into
Row defrosting, the second subsystem normally heat.At this point, closing the one one valve 11, the one or three valve 13, the one or four valve 14, the
First Five-Year Plan valve 15, the two or two valve 22, the two or three valve 23, the two or four valve 24, the two or six valve 26, the two or seven valve 27,
The one or two valve 12, the one or six valve 16, the one or seven valve 17, the 2nd 1 valve 21, the two or five valve 25 are opened, to be connected to
The first end A of the outlet end of first compressor 1 and the first evaporator 5, the second end B of the first evaporator 5 and the 6th throttle valve 40,
The first end A of first pipeline 341 of the second heat exchanger and the input end of the first compressor 1, the second compressor 31 outlet end with
The input end of second condenser 32, the second end B of the second evaporator 35 and the second compressor 31 disconnects going out for the first compressor 1
Mouth end and the first condenser 2, the input end of the second end B of the first evaporator 5 and the first compressor 1.Closing first throttle valve 8,
Second throttle 9, third throttle valve 10, the first wind turbine 6；4th throttle valve 38, the 5th throttle valve 39, the 6th throttle valve 40 according to
Program control, which is opened, to be adjusted, and the second wind turbine 36 is according to program-controlled running.
Non-azeotropic mixed working medium is after the compression of the first compressor 1 in first subsystem, the outlet end row through the first compressor 1
The overheated gas for going out high temperature and pressure enters heat release in the first evaporator 5 through the one or two valve 12 and defrosts, by the one or seven valve 17
Into 40 reducing pressure by regulating flow of the 6th throttle valve of the second subsystem, then enters to evaporate in the first pipeline 341 of the second heat exchanger and inhale
Thermal change at gaseous working medium, and after through the first six valves 16, most afterwards after 7 gas-liquid separation of third gas-liquid separator by the first compressor
1 input end is sucked by the first compressor 1, is compressed, to complete entire cycle.
Non-azeotropic mixed working medium is after the compression of the second compressor 31 in second subsystem, the outlet end through the second compressor 31
The overheated gas of high temperature and pressure is discharged, the second condenser 32 is entered after the 2nd 1 valve 21 and condenses heat release, the second condenser 32
It is constant that hot water is provided.Since the boiling point of two kinds of component working medium in non-azeotropic mixed working medium is different, in the second condenser 32
A large amount of working medium of high boiling component and the working medium of a small amount of low boiling component first condense into liquid, and most of low boiling component working medium
Gaseous state is still kept with a small amount of high boiling component working medium.Non-azeotropic mixed working medium is separated into gas into the second gas-liquid separator 33
Liquid two-way, liquid outlet of liquid non-azeotropic mixed working medium of the fluid path rich in high boiling component working medium from the second gas-liquid separator 33
End outflow becomes gaseous state after 38 reducing pressure by regulating flow of the 4th throttle valve into evaporation endothermic in the third pipeline 343 of the second heat exchanger
Working medium.Gas outlet end of gaseous state non-azeotropic mixed working medium of the gas circuit rich in low boiling component working medium from the second gas-liquid separator 33
Outflow, exothermic condensation evaporates through 39 reducing pressure by regulating flow of the 5th throttle valve, then to enter second after liquid in the second heat exchanger 34
Gaseous working medium after 35 evaporation endothermic of device through the second five valves 25 and from the second heat exchanger 34 out mixes, and process is mixed
Working medium is sucked by the second compressor 31 by the input end of the second compressor 31 after 37 gas-liquid separation of the 4th gas-liquid separator, is pressed
Contracting, to complete entire cycle.
When detecting the second 35 frosting of evaporator, that is, the second temperature measuring device on the second evaporator 35 is set
When 351 detections reach the defrosting temperature of setting, air source heat pump system is in 35 defrosting mode of the second evaporator, i.e., the second son
System is defrosted, the first subsystem normally heats.At this point, closing the one or two valve 12, the one or three valve 13, the one or four valve
14, the one or six valve 16, the one or seven valve 17, the 2nd 1 valve 21, the two or three valve 23, the two or four valve 24, the two or five valve
Door 25 opens the one one valve 11, the one or five valve 15, the two or two valve 22, the two or six valve 26, the two or seven valve 27, from
And be connected to outlet end and the first condenser 2 of the first compressor 1, the second end B of the first evaporator 5 and the first compressor 1 into
Mouthful end, two compressors outlet end and the first end A of the second evaporator 35, the second end B of the first pipeline 41 of First Heat Exchanger
With the first end of the first pipeline 41 of the input end of the second compressor 31, the second end B of the second evaporator 35 and First Heat Exchanger
A disconnects the first of the first end A of the first pipeline 341 of the second heat exchanger and the input end of the first compressor 1, the second heat exchanger
The second end B of the second end B of pipeline 341 and the first evaporator 5, outlet end and the second condenser 32 of the second compressor 31, the
The input end of the second end B of two evaporators 35 and the second compressor 31.First throttle valve 8, second throttle 9, third throttle valve
10 control opening according to program is adjusted, and the first wind turbine 6 is according to program-controlled running.Close the 4th throttle valve 38, the 5th throttle valve
39, the 6th throttle valve 40, the second wind turbine 36.
Non-azeotropic mixed working medium is after the compression of the second compressor 31 in second subsystem, the outlet end through the second compressor 31
The overheated gas of high temperature and pressure is discharged, entering heat release in the second evaporator 35 through the two or two valve 22 defrosts, by the two or seven valve
Door 27 enters 10 reducing pressure by regulating flow of third throttle valve, then enters evaporation endothermic in the first pipeline 41 of First Heat Exchanger and becomes gaseous state
Working medium, and after through the second six valves 26, most afterwards after 37 gas-liquid separation of the 4th gas-liquid separator by the air inlet of the second compressor 31
Mouth is by the sucking of the second compressor 31, compression, to complete entirely cycle.
Non-azeotropic mixed working medium is after the compression of the first compressor 1 in first subsystem, the outlet end row through the first compressor 1
The overheated gas for going out high temperature and pressure enters the first condenser 2 after the one one valve 11 and condenses heat release, and the first condenser 2 continues
Hot water is constantly provided.It is a large amount of high in the first condenser 2 since the boiling point of two kinds of component working medium in non-azeotropic mixed working medium is different
The working medium of the working medium of boiling point component and a small amount of low boiling component first condenses into liquid, and most of low boiling component working medium and a small amount of
High boiling component working medium still keeps gaseous state.Non-azeotropic mixed working medium is separated into gas-liquid two-way into the first gas-liquid separator 3,
Liquid non-azeotropic mixed working medium of the fluid path rich in high boiling component working medium is flowed out from the liquid outlet end of the first gas-liquid separator 3,
Become gaseous working medium into evaporation endothermic in the third pipeline 43 of First Heat Exchanger after 8 reducing pressure by regulating flow of first throttle valve.Gas circuit
Gaseous state non-azeotropic mixed working medium rich in low boiling component working medium is flowed out from the gas outlet end of the first gas-liquid separator 3, the
In one heat exchanger 4 exothermic condensation be liquid after through 9 reducing pressure by regulating flow of second throttle, then enter 5 evaporation endothermic of the first evaporator
By the gaseous working medium mixing in the one or five valve 15 and First Heat Exchanger 4 out, by mixed working medium through third gas-liquid
It sucked, compress by the first compressor 1 by the input end of the first compressor 1 after 7 gas-liquid separation of separator, to complete entirely to follow
Ring.
Air source heat pump system in the application makes the liquid refrigerant that the first evaporator 5 of the first subsystem generates steam
Hair institute's calorific requirement from the second gas-liquid separator 33 under the normal heating of the second subsystem of another not defrost by separating gas
State working medium condenses or even supercooling provides, the normal heating draw heat from air of the second subsystem, therefore the in defrost first son
Wasted work and another second subsystem for normally heating of the heat of system defrosting from the first compressor 1 itself are from environment
The heat of absorption.The energy for increasing the first subsystem of defrosting through the above way reduces removing for the first subsystem of defrosting
The white time solves the problems, such as 5 liquid refrigerant working medium of the first evaporator evaporation of the first subsystem of defrosting.At the same time,
Also effectively enhance the condensation effect for the gaseous working medium separated from the second gas-liquid separator 33 in the second subsystem of heating.
Air source heat pump system in the application can be while defrosting to the first evaporator 5 by the second subsystem
System is persistently heated, at the same the effect of the first evaporator 5 defrosting for electric heated defrosting the more preferable, time faster, and
And the liquid refrigerant generated when defrosting to the first evaporator 5 can be evaporated, so as to avoid causing liquid to compressor
The risk hit.
In conjunction with the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described here, it is only used for explaining the purpose of this utility model, without
It can be understood as being limitations of the present invention in any way.Under the introduction of the utility model, technical staff is contemplated that
Arbitrary possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.It needs to illustrate
It is that when element is referred to as " being set to " another element, it can be directly on another element or there may also be placed in the middle
Element.When an element is considered as " connection " another element, it can be directly to another element or can
Centering elements can be existed simultaneously.Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or
Electrical connection, can also be the connection inside two elements, can be directly connected, can also indirectly connected through an intermediary,
For the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of air source heat pump system, which is characterized in that including：First subsystem and the second subsystem；First subsystem
System includes：First compressor (1), the first condenser (2), the first gas-liquid separator (3), First Heat Exchanger (4), first throttle valve
(8), second throttle (9), the first evaporator (5)；Second subsystem includes：Second compressor (31), the second condenser
(32), the second gas-liquid separator (33), the second heat exchanger (34), the 4th throttle valve (38), the 5th throttle valve (39), the 6th throttling
Valve (40), the second evaporator (35)；First condenser (2) can be connected with the outlet end of first compressor (1), institute
The input end for stating the first gas-liquid separator (3) is connected with first condenser (2), first gas-liquid separator (3)
Gas outlet end is connected with the second end (B) of the second pipeline (42) of the First Heat Exchanger, first gas-liquid separator
(3) liquid outlet end is connected with the first throttle valve (8), the first throttle valve (8) and the First Heat Exchanger
The first end (A) of third pipeline (43) is connected, the second end (B) of the third pipeline (43) of the First Heat Exchanger can with it is described
The input end of first compressor (1) is connected, the first end (A) and described second of the second pipeline (42) of the First Heat Exchanger
Throttle valve (9) is connected, and the second throttle (9) is connected with the first end (A) of first evaporator (5), and described
The second end (B) of one evaporator (5) can be connected with the input end of first compressor (1), the 6th throttle valve (40),
The first end (A) of first evaporator (5) can be connected with the outlet end of first compressor (1), the 6th throttling
Valve (40) is connected with the first pipeline (341) second end (B) of second heat exchanger, the first pipeline of second heat exchanger
(341) first end (A) can be connected with the input end of first compressor (1)；Second condenser (32) can with it is described
The outlet end of second compressor (31) is connected, input end and second condenser of second gas-liquid separator (33)
(32) it is connected, the gas outlet end of second gas-liquid separator (33) and the second pipeline (342) of second heat exchanger
First end (A) be connected, the liquid outlet end of second gas-liquid separator (33) is connected with the 4th throttle valve (38)
It connecing, the 4th throttle valve (38) is connected with the second end (B) of the third pipeline (343) of second heat exchanger, and described
The first end (A) of the third pipeline (343) of two heat exchangers can be connected with the input end of second compressor (31), and described
The second end (B) of the second pipeline (342) of two heat exchangers is connected with the 5th throttle valve (39), the 5th throttle valve
(39) it is connected with the first end (A) of second evaporator (35), the second end (B) of second evaporator can be with described
The input end of two compressors (31) is connected.
2. air source heat pump system according to claim 1, which is characterized in that first subsystem further includes third gas
Liquid/gas separator (7), the outlet end of the third gas-liquid separator (7) are connected with the input end of first compressor (1), institute
Stating the input end of third gas-liquid separator (7) can exchange heat with the second end (B) of first evaporator (5), described first respectively
The second end (B) of the third pipeline (43) of device, the first end (A) of the first pipeline (341) of second heat exchanger are connected.
3. air source heat pump system according to claim 1, which is characterized in that second subsystem further includes the 4th gas
Liquid/gas separator (37), the outlet end of the 4th gas-liquid separator (37) are connected with the input end of second compressor (31)
It is logical, the input end of the 4th gas-liquid separator (37) can respectively with the second end (B) of second evaporator (35), described the
The first end (A) of the third pipeline (343) of two heat exchangers.
4. air source heat pump system according to claim 1, which is characterized in that first subsystem further includes third section
Valve (10) is flowed, described third throttle valve (10) one end can be connected with the liquid outlet end of first gas-liquid separator (3), institute
Stating the other end of third throttle valve (10) can be connected with the first end (A) of the first pipeline (41) of the First Heat Exchanger, institute
Stating the second end (B) of the first pipeline (41) of First Heat Exchanger can be connected with the gas supplementing opening of first compressor (1).
5. air source heat pump system according to claim 1, which is characterized in that be provided on first evaporator (5)
First temperature measuring equipment (51).
6. air source heat pump system according to claim 1, which is characterized in that first subsystem further includes third section
Flow valve (10)；The first end (A) of second evaporator (35) can be connected with the outlet end of second compressor (31), institute
It states third throttle valve (10) with the first pipeline (41) first end (A) of the First Heat Exchanger to be connected, the First Heat Exchanger
The first pipeline (41) second end (B) can be connected with the input end of second compressor (31)；The third throttle valve
(10) can be connected with the second end (B) of second evaporator (35).
7. air source heat pump system according to claim 1, which is characterized in that the liquid of second gas-liquid separator (33)
Body outlet end can be connected with the 6th throttle valve (40), the first end (A) of the first pipeline (341) of second heat exchanger
It can be connected with the gas supplementing opening of second compressor (31).
8. air source heat pump system according to claim 6, which is characterized in that be provided on second evaporator (35)
Second temperature measuring device (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458591.2U CN207649165U (en) | 2017-11-02 | 2017-11-02 | Air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458591.2U CN207649165U (en) | 2017-11-02 | 2017-11-02 | Air source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649165U true CN207649165U (en) | 2018-07-24 |
Family
ID=62884909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721458591.2U Withdrawn - After Issue CN207649165U (en) | 2017-11-02 | 2017-11-02 | Air source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796142A (en) * | 2017-11-02 | 2018-03-13 | 珠海格力电器股份有限公司 | Air source heat pump system and its control method |
-
2017
- 2017-11-02 CN CN201721458591.2U patent/CN207649165U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796142A (en) * | 2017-11-02 | 2018-03-13 | 珠海格力电器股份有限公司 | Air source heat pump system and its control method |
| CN107796142B (en) * | 2017-11-02 | 2023-07-21 | 珠海格力电器股份有限公司 | Air source heat pump system and control method thereof |
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