CN105241135B - refrigeration system and heat pump system - Google Patents
refrigeration system and heat pump system Download PDFInfo
- Publication number
- CN105241135B CN105241135B CN201510779985.7A CN201510779985A CN105241135B CN 105241135 B CN105241135 B CN 105241135B CN 201510779985 A CN201510779985 A CN 201510779985A CN 105241135 B CN105241135 B CN 105241135B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- interface
- indoor heat
- flash vessel
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of refrigeration system and heat pump systems.Refrigeration system includes: compressor, outdoor heat exchanger, indoor heat exchanger, throttling set and flash vessel.Compressor has exhaust outlet and gas returning port.The entrance of outdoor heat exchanger is connected to the exhaust outlet of compressor, and the outlet of indoor heat exchanger is connected to the gas returning port of compressor.Throttling set is connected in series between outdoor heat exchanger and indoor heat exchanger.Flash vessel is equipped with first interface, second interface and third interface, and first interface is connected with throttling set or first interface is connected with indoor heat exchanger, and second interface is connected with indoor heat exchanger, and third interface is connected by dropping equipment with gas returning port.Refrigeration system according to the present invention can increase refrigerating capacity, reduce the flow path of indoor heat exchanger, reduce flow resistance.
Description
Technical field
The present invention relates to refrigeration systems and heat pump system.
Background technique
Air conditioner is usually by compressor, outdoor heat exchanger, indoor heat exchanger, the several critical component component systems of throttle part
SAPMAC method.When refrigeration, the high pressure-temperature gaseous coolant of compressor discharge is cooled to high-pressure liquid refrigerant via outdoor heat exchanger, into
Become low-temp low-pressure liquid refrigerants after entering throttle part, absorb heat then into indoor heat exchanger and flashes to gaseous coolant
After be admitted to compressor air suction mouth.Above-mentioned this circulator, indoor evaporator have a large amount of gas to produce in evaporation process
Raw, these gases generated cannot reabsorb heat in the evaporator of side indoors, but volume is that can absorb the liquid bulk of heat
Tens times or so of product, therefore seriously affected liquid absorption heat in the evaporator of indoor.
Summary of the invention
The application is intended to solve the technical problems existing in the prior art.For this purpose, the present invention is intended to provide a kind of refrigeration
The refrigerating efficiency of system, the refrigeration system can be improved.
It is another object of the present invention to provide a kind of heat pump system, heat pump system efficiency in refrigeration can also be mentioned
It is high.
Refrigeration system according to an embodiment of the present invention, comprising: compressor, the compressor have exhaust outlet and gas returning port；
Outdoor heat exchanger and indoor heat exchanger, the entrance of the outdoor heat exchanger are connected to the exhaust outlet of the compressor, the interior
The outlet of heat exchanger is connected to the gas returning port of the compressor；Throttling set, the throttling set are connected in series in the outdoor
Between heat exchanger and indoor heat exchanger；Flash vessel, the flash vessel is equipped with first interface, second interface and third interface, described
First interface is connected with the throttling set or the first interface is connected to import refrigerant with the indoor heat exchanger, institute
It states second interface to be connected with the indoor heat exchanger to export liquid refrigerants to the indoor heat exchanger, the third interface passes through
Dropping equipment is connected with the gas returning port.
Refrigeration system according to an embodiment of the present invention carries out gas-liquid by using refrigerant of the flash vessel to gas-liquid mixture phase
Separation, refrigerant when refrigeration in indoor heat exchanger is mainly liquid refrigerants, since liquid refrigerants can each flow path of heat exchanger indoors
In be uniformly distributed, greatly improved the heat exchange efficiency of indoor heat exchanger, increase refrigerating capacity, and indoor heat exchanger can be reduced
Flow path reduces flow resistance.
In some embodiments, the first interface and the second interface are connected with the indoor heat exchanger.To
Be conducive to also isolate gaseous coolant newly-generated in indoor heat exchanger, newly-generated gaseous coolant is avoided to influence remaining liquid
The heat-absorbing action of state refrigerant.
In some embodiments, the flash vessel is multiple, and the first interface of the multiple flash vessel is at interval
It is connected on the indoor heat exchanger, the second interface of the multiple flash vessel is also connected to the interior at interval and changes
On hot device.By the way that multiple flash vessels are arranged, separated regions discontinuously isolates gaseous coolant therein, to further increase room
The heat exchange efficiency of interior heat exchanger.
Optionally, the dropping equipment is capillary, electric expansion valve or pressure reducing valve.
Heat pump system according to an embodiment of the present invention, comprising: compressor, the compressor have exhaust outlet and gas returning port；
Commutate component, and the commutation component is equipped with the first valve port to the 4th valve port, in the first valve port and third valve port and the 4th valve port
One of connection, the second valve port are connected to another in the third valve port and the 4th valve port, first valve port
It is connected to the exhaust outlet, second valve port is connected to the gas returning port；Outdoor heat exchanger and indoor heat exchanger, the outdoor
The first end of heat exchanger is connected to the third valve port, and the first end of the indoor heat exchanger is connected to the 4th valve port；Section
Device is flowed, the throttling set is connected in series between the second end of the outdoor heat exchanger and the second end of indoor heat exchanger；
Flash vessel, the flash vessel are equipped with first interface, second interface and third interface, the first interface and the throttling set phase
Even or the first interface is connected with the indoor heat exchanger, and the second interface is connected with the indoor heat exchanger, described
Third interface connects the gas returning port by muffler；Dropping equipment, the dropping equipment are connected in series on the muffler；
Control valve with opening and closing function, the control valve are located on the flash vessel.
Heat pump system according to an embodiment of the present invention carries out gas-liquid by using refrigerant of the flash vessel to gas-liquid mixture phase
Separation, so that refrigerant of the heat pump system in refrigeration in indoor heat exchanger is mainly liquid refrigerants, since liquid refrigerants can be in room
It is uniformly distributed in interior each flow path of heat exchanger, the heat exchange efficiency of indoor heat exchanger greatly improved, increase refrigerating capacity, and can subtract
The flow path of few indoor heat exchanger reduces flow resistance.
In some embodiments, heat pump system further includes the control valve with opening and closing function, and the control valve is connected on institute
It states on muffler.When heat pump system heats as a result, the refrigerant in indoor heat exchanger does not have to through gas-liquid separation and flows directly into throttling
Device reduces refrigerant ventilation loss.
Preferably, the dropping equipment has opening and closing function to limit the control valve.To improve structural compactness,
Reduce assembly difficulty.
Specifically, the dropping equipment is capillary, electric expansion valve or pressure reducing valve.
In some embodiments, the flash vessel is multiple, and the first interface of the multiple flash vessel is at interval
It is connected on the indoor heat exchanger, the second interface of the multiple flash vessel is also connected to the interior at interval and changes
On hot device.Separated regions discontinuously isolates gaseous coolant therein as a result, facilitates the suction of liquid refrigerants in indoor heat exchanger
Heat further increases the heat exchange efficiency of indoor heat exchanger.
Optionally, the commutation component is four-way valve.
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 structural schematic diagram of refrigeration system according to an embodiment of the invention；
Fig. 2 is the structural schematic diagram of refrigeration system in accordance with another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the refrigeration system of another embodiment according to the present invention；
Fig. 4 is the structural schematic diagram of heat pump system according to an embodiment of the invention；
Fig. 5 is the structural schematic diagram of heat pump system in accordance with another embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the heat pump system of another embodiment according to the present invention；
Fig. 7 is the structural schematic diagram of the heat pump system of another embodiment according to the present invention.
Appended drawing reference:
Refrigeration system 100, heat pump system 200,
Compressor 1, exhaust outlet 11, gas returning port 12,
Outdoor heat exchanger 2, indoor heat exchanger 3, throttling set 4,
Flash vessel 5, first interface 51, second interface 52, third interface 53,
Commutate component 6, the first valve port A, the second valve port B, third valve port C, the 4th valve port D,
Dropping equipment 7, muffler 8.
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, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
In the description of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ",
" fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Refrigeration system 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 3.
Refrigeration system 100 according to an embodiment of the present invention, as shown in Figure 1, comprising: compressor 1, outdoor heat exchanger 2, interior
Heat exchanger 3, throttling set 4 and flash vessel 5.
Compressor 1 has exhaust outlet 11 and gas returning port 12, and compressor 1 is for pressing the refrigerant that gas returning port 12 flows into
Contracting forms high temperature and pressure cold media gas and is discharged from exhaust outlet 11 after refrigerant compression.
The entrance of outdoor heat exchanger 2 is connected to the exhaust outlet 11 of compressor 1, outlet and the compressor 1 of indoor heat exchanger 3
Gas returning port 12 is connected to, and throttling set 4 is connected in series between outdoor heat exchanger 2 and indoor heat exchanger 3.Specifically, outdoor heat exchange
Device 2 is condenser, and indoor heat exchanger 3 is evaporator.Optionally, throttling set 4 is capillary or electric expansion valve.
Flash vessel 5 is equipped with first interface 51, second interface 52 and third interface 53, first interface 51 and 4 phase of throttling set
Even or first interface 51 is connected to import refrigerant with indoor heat exchanger 3, second interface 52 be connected with indoor heat exchanger 3 with to
Indoor heat exchanger 3 exports liquid refrigerants, and third interface 53 is connected by dropping equipment 7 with gas returning port 12.
Wherein, flash vessel 5 shall be understood in a broad sense, as long as the gas-liquid mixed refrigerant for enter in it in flash vessel 5 can
It is separated into gaseous coolant and liquid refrigerants.In a specific example of the invention, first interface 51 and third interface 53
It is located at the top of flash vessel 5, second interface 52 is located at the bottom of flash vessel 5, which utilizes gravity principle, so that into
It is separated to the gas-liquid mixed refrigerant in flash vessel 5 due to gravity, liquid refrigerants is discharged from second interface 52, gas
Refrigerant is discharged from third interface 53.
In addition, dropping equipment 7 also shall be understood in a broad sense, as long as dropping equipment 7 can reduce the air pressure of the gaseous coolant passed through
?.Optionally, dropping equipment 7 is capillary, electric expansion valve or pressure reducing valve.
In this way, the third interface 53 of flash vessel 5 is equivalent to gas outlet, connect one in the escape pipe position of flash vessel 5
Dropping equipment 7 allows for capable of just returning to compressor 1 after the decompression of dropping equipment 7 from the gaseous coolant that flash vessel 5 is isolated
Gas returning port 12 is sucked by compressor 1.
Specifically, as shown in Figure 1-Figure 3, compressor 1, outdoor heat exchanger 2, indoor heat exchanger 3 and throttling set 4 limit
For the refrigeration cycle path for the refrigerant that circulates, the setting of flash vessel 5 is equivalent to indoor heat exchanger 3 and has gas-liquid separating function.
In conjunction with Fig. 1 it is found that when refrigeration system 100 works, shown in single arrow as shown in figure 1, from the exhaust outlet 11 of compressor 1
The high pressure gaseous refrigerant of discharge enters in outdoor heat exchanger 2, and the high temperature and pressure refrigerant in outdoor heat exchanger 2 and the external world are empty
Gas exchanges heat the refrigerant to be formed as the liquid refrigerants of medium temperature high pressure, being discharged from outdoor heat exchanger 2 by the expansion of throttling set 4
At gas-liquid mixture phase, the refrigerant of the gas-liquid mixture phase is entered from first interface 51 carries out gas-liquid separation, liquid in flash vessel 5
State refrigerant, which is discharged from second interface 52 and enters in indoor heat exchanger 3, is evaporated heat absorption to reduce room temperature.Flash vessel 5
The gaseous coolant isolated is discharged from third interface 53, and as shown in figure 1 shown in double-head arrow, the gaseous coolant isolated enters decompression
It is depressured in device 7.Meanwhile the gaseous coolant being discharged from indoor heat exchanger 3 is mixed with the gaseous coolant being discharged from dropping equipment 7
It closes, and is flow back into compressor 1 from the gas returning port of compressor 1 12, complete refrigeration cycle.
It should be noted that after liquid refrigerant stream enters indoor heat exchanger 3, liquid refrigerants can absorb in process of refrigerastion
Heat from exchanger tube wall and evaporate.But the heat absorption capacity of gaseous coolant is limited, and the presence of gaseous coolant can obstruct
The heat of pipe amount is transmitted to liquid refrigerants, also just affects the evaporation endothermic of liquid refrigerants.
By the description of the refrigerative circle system of above-mentioned refrigeration system 100 it is found that refrigerant can turn after the throttling of throttling set 4
Become gas-liquid mixture phase, and after refrigerant inflow indoor heat exchanger 3, also constantly has gaseous coolant generation in heat exchange manifold, make
Gas flow is continuously increased in vapour-liquid mixing refrigerant.The setting of flash vessel 5 is exactly cold in order to isolate the gaseous state in indoor heat exchanger 3
Matchmaker, after guaranteeing separation liquid refrigerants can smoothly normal heat exchange, pipeline heat transfer effect be reinforced, are improved in heat exchanger 3 indoors
The refrigerating capacity of indoor heat exchanger 3.
Refrigeration system 100 according to an embodiment of the present invention is carried out by using refrigerant of the flash vessel 5 to gas-liquid mixture phase
Gas-liquid separation so that the refrigerant in indoor heat exchanger 3 is mainly liquid refrigerants, due to liquid refrigerants can indoors heat exchanger 3 it is each
It is uniformly distributed in flow path, the heat exchange efficiency of indoor heat exchanger 3 greatly improved, increase refrigerating capacity, and interior can be reduced and changed
The flow path of hot device 3 reduces flow resistance.
In above-mentioned refrigeration system 100, there are many setting forms of flash vessel 5.
Wherein, the position of flash vessel 5 can be any position between throttling set 4 and indoor heat exchanger 3, be also possible to
The 3 any position in the inside of heat exchanger indoors.
For example, in some embodiments, as shown in Figure 1, the first interface 51 of flash vessel 5 is connected on throttling set 4, dodging
The second interface 52 of steaming device 5 is connected with the entrance of indoor heat exchanger 3, this is equivalent to flash vessel 5 and is connected in series in throttling set 4
Between indoor heat exchanger 3.In this way, can be by the refrigerant mixture in coolant circulating system, after being throttled by decompression in throttling set 4
In gaseous coolant isolate, the refrigerant of liquid, which is flowed into again in indoor heat exchanger 3, after separation is evaporated heat absorption, the gas after separation
State refrigerant is led back in compressor 1.
After flowing into indoor heat exchanger 3 in view of refrigerant, constantly there is gaseous coolant generation in the refrigerant process of circulation in pipeline, make vapour
Gas flow is continuously increased in liquid mixing refrigerant.Therefore in further embodiments, as shown in Fig. 2, first interface 51 and second connects
Mouth 52 is connected with indoor heat exchanger 3, that is to say, that flash vessel 5 sucks the refrigerant mixture in indoor heat exchanger 3, then will
The liquid refrigerants isolated leads back to indoor heat exchanger 3, to be conducive to also divide gaseous coolant newly-generated in indoor heat exchanger 3
It separates out, newly-generated gaseous coolant is avoided to influence the heat-absorbing action of remaining liquid refrigerants.
Flash vessel 5 can also be to be multiple, and multiple flash vessels 5 are spaced apart setting, and multiple flash vessels 5 may be inhaled the cold of different zones
Matchmaker's mixture.For example, the first interface 51 of a flash vessel 5 is located on throttling set 4 in multiple flash vessels 5, the flash vessel 5
Second interface 52 is connected with the entrance of indoor heat exchanger 3.The first interface 51 and second of remaining flash vessel 5 in multiple flash vessels 5
Interface 52 is connected with indoor heat exchanger 3.
In another example as shown in figure 3, the first interface 51 of multiple flash vessels 5 is connected at interval on indoor heat exchanger 3,
The second interface 52 of multiple flash vessels 5 is also connected on indoor heat exchanger 3 at interval.
By the way that multiple flash vessels 5 are arranged, separated regions discontinuously isolates gaseous coolant therein, is conducive to be completely separated
Gaseous coolant out facilitates the heat absorption of liquid refrigerants in indoor heat exchanger 3, further increases the heat exchange efficiency of indoor heat exchanger 3.
Advantageously, on the flow direction of refrigerant, the first interface 51 of flash vessel 5 and the tie point of indoor heat exchanger 3 exist
The upstream of the tie point of second interface 52 and indoor heat exchanger 3.
In the figure 2 example, the first interface 51 of flash vessel 5 and second interface 52 are connected to indoor heat exchanger 3
Between adjacent tubular segments, this is equivalent on the circulating direction of refrigerant, and the refrigerant in a upper pipeline section is through the whole gas-liquids point of flash vessel 5
From rear, the liquid refrigerants isolated could flow to next pipeline section.
It should be noted that compressor 1, outdoor heat exchanger 2, indoor heat exchanger 3 and structure, the principle of throttling set 4 etc.
It is the prior art, is just not described in detail here.
Heat pump system 200 according to an embodiment of the present invention is described below with reference to Fig. 4-Fig. 7.
In embodiments of the present invention, as shown in figure 4, heat pump system 200 includes: compressor 1, commutation component 6, outdoor heat exchange
Device 2, indoor heat exchanger 3, throttling set 4, flash vessel 5, dropping equipment 7 and the control valve with opening and closing function.
Compressor 1 has exhaust outlet 11 and gas returning port 12, and compressor 1 is for pressing the refrigerant that gas returning port 12 flows into
Contracting forms high temperature and pressure cold media gas and is discharged from exhaust outlet 11 after refrigerant compression.
The component 6 that commutates is equipped with the first valve port A, the second valve port B, third valve port C and the 4th valve port D, the first valve port A and third
Another company in one of connection in valve port C and the 4th valve port D, the second valve port B and third valve port C and the 4th valve port D
It is logical.That is, the commutation tool of component 6 is there are two types of on state, a kind of on state is that the first valve port A is connected with third valve port C
And second valve port B be connected with the 4th valve port D, another on state is that the first valve port A is connected and the second valve port with the 4th valve port D
B is connected with third valve port C.
Preferably due to which application technology of the four-way valve in air-conditioning equipment is more mature, and small in size, the cost of four-way valve
It is lower, and the commutation function of four-way valve is stable, reliable, therefore the component 6 that commutates selects four-way valve.Certainly, the structure of commutation component 6
Can be without being limited thereto, commutation component 6 can also be disclosed in the prior art by multiple control valves parallel connections, valve group in series
Part.
Referring to Fig. 4, the first valve port A of commutation component 6 is connected to exhaust outlet 11, and the second valve port B is connected to gas returning port 12.Room
The first end of external heat exchanger 2 is connected to third valve port C, and the first end of indoor heat exchanger 3 is connected to the 4th valve port D, throttling set 4
It is connected in series between the second end of outdoor heat exchanger 2 and the second end of indoor heat exchanger 3.Specifically, outdoor heat exchanger 2 is cold
Condenser, indoor heat exchanger 3 are evaporator.Optionally, throttling set 4 is capillary or electric expansion valve.
Flash vessel 5 is equipped with first interface 51, second interface 52 and third interface 53, first interface 51 and 4 phase of throttling set
Even or first interface 51 is connected with indoor heat exchanger 3, and second interface 52 is connected with indoor heat exchanger 3, and third interface 53 passes through
Muffler 8 connects gas returning port 12, and dropping equipment 7 is connected in series on muffler 8.
Wherein, flash vessel 5 shall be understood in a broad sense, as long as the gas-liquid mixed refrigerant for enter in it in flash vessel 5 can
It is separated into gaseous coolant and liquid refrigerants.In addition, dropping equipment 7 also shall be understood in a broad sense, as long as dropping equipment 7 can reduce
By gaseous coolant air pressure.Optionally, dropping equipment 7 is capillary, electric expansion valve or pressure reducing valve.
In addition, control valve is located at the switch for controlling flash vessel 5 on flash vessel 5.When heat pump system 200 is heated,
Flash vessel 5 is closed, in this way, the refrigerant in indoor heat exchanger 3 does not have to through gas-liquid separation and flows directly into throttling set 4, is reduced
Refrigerant ventilation loss.
Specifically, as shown in Figure 4-Figure 7, compressor 1, commutation component 6, outdoor heat exchanger 2, indoor heat exchanger 3 and throttling
Device 4 limit for the refrigerant that circulates refrigeration cycle path A and heating circulating path B, i.e., heat pump system 200 have refrigeration and
The function of heating, the setting of flash vessel 5 are equivalent to the indoor heat exchanger 3 in refrigeration and have gas-liquid separating function.
When heat pump system 200 needs to carry out refrigeration work, the first valve port A and third valve port C for the component 6 that commutates at this time connect
Logical, the second valve port B is connected to the 4th valve port D, and the high temperature and pressure refrigerant being discharged from the exhaust outlet 11 of compressor 1 successively passes through first
Valve port A and third valve port C is entered in outdoor heat exchanger 2 and is exchanged heat with outside air to form medium temperature high-pressure liquid refrigerant,
The refrigerant being discharged from outdoor heat exchanger 2 is expanded into gas-liquid mixture phase by throttling set 4, the refrigerant of the gas-liquid mixture phase from
First interface 51, which enters, carries out gas-liquid separation in flash vessel 5, the liquid refrigerants being discharged from second interface 52 enters interior and changes
Heat absorption is evaporated in hot device 3 to reduce room temperature, the low-temp low-pressure refrigerant being discharged from indoor heat exchanger 3 successively passes through the 4th
Valve port D and the second valve port B are entered in gas returning port 12, and are returned in compressor 1 from gas returning port 12.Gaseous state in flash vessel 5 is cold
Matchmaker escapes and enter from third interface 53 into muffler 8, and then gaseous coolant is entered in dropping equipment 7 and is depressured.Drop
The refrigerant being discharged after pressure returns in compressor 1 from the gas returning port 12 of compressor 1, to complete refrigeration cycle.
When heat pump system 200 needs to carry out heating work, the first valve port A and the 4th valve port D for the component 6 that commutates at this time connect
Logical, the second valve port B is connected to third valve port C, successively passes through the from the refrigerant of the high temperature and pressure of the exhaust outlet 11 of compressor 1 discharge
One valve port A and the 4th valve port D are entered in indoor heat exchanger 3, and are exchanged heat with room air to be formed as medium temperature high pressure
Liquid refrigerants, and improve room temperature.
At this point, flash vessel 5 is closed by control valve, the refrigerant being discharged from indoor heat exchanger 3 flows to throttling set 4 with the drop that throttles
Pressure.Liquid refrigerants after decompression, which enters in outdoor heat exchanger 2, is evaporated heat absorption.The gaseous state being discharged from outdoor heat exchanger 2 is cold
Matchmaker flow back into compressor 1 from the gas returning port 12 of compressor 1, completes refrigeration cycle.
In some instances, control valve is connected on muffler 8, in this way, when heat pump system 200 is heated, control
Valve disconnects muffler 8, and the refrigerant being discharged from indoor heat exchanger 3 still flows to throttling set 4 after flowing through flash vessel 5, so that gaseous state is cold
Matchmaker can not return to compressor 1 from muffler 8.That is, flash vessel 5 is equivalent to an access tube after muffler 8 disconnects
Section, then refrigerant is directly flowed by second interface 52 to flow out from first interface 51.Preferably, dropping equipment 7 has opening and closing function
To limit control valve, to improve structural compactness, assembly difficulty is reduced.
Heat pump system 200 according to an embodiment of the present invention is carried out by using refrigerant of the flash vessel 5 to gas-liquid mixture phase
Gas-liquid separation, so that refrigerant of the heat pump system in refrigeration in indoor heat exchanger 3 is mainly liquid refrigerants, since liquid refrigerants can
It is uniformly distributed in each flow path of heat exchanger 3 indoors, the heat exchange efficiency of indoor heat exchanger 3 greatly improved, increase refrigerating capacity, and
The flow path of indoor heat exchanger 3 can be reduced, reduce flow resistance.
In above-mentioned refrigeration system 100, there are many setting forms of flash vessel 5.
Wherein, the position of flash vessel 5 can be any position between throttling set 4 and indoor heat exchanger 3, be also possible to
The 3 any position in the inside of heat exchanger indoors.
For example, in some embodiments, as shown in figure 4, the first interface 51 of flash vessel 5 is connected on throttling set 4, dodging
The second interface 52 of steaming device 5 is connected with the entrance of indoor heat exchanger 3, this is equivalent to flash vessel 5 and is connected in series in throttling set 4
Between indoor heat exchanger 3.In this way, can be by the refrigerant mixture in coolant circulating system, after being throttled by decompression in throttling set 4
In gaseous coolant isolate, the refrigerant of liquid, which is flowed into again in indoor heat exchanger 3, after separation is evaporated heat absorption, the gas after separation
State refrigerant is led back in compressor 1.
After flowing into indoor heat exchanger 3 in view of refrigerant, constantly there is gaseous coolant generation in the refrigerant process of circulation in pipeline, make vapour
Gas flow is continuously increased in liquid mixing refrigerant.Therefore in further embodiments, as shown in figure 5, first interface 51 and second connects
Mouth 52 is connected with indoor heat exchanger 3, that is to say, that flash vessel 5 sucks the refrigerant mixture in indoor heat exchanger 3, then will
The liquid refrigerants isolated leads back to indoor heat exchanger 3, to be conducive to also divide gaseous coolant newly-generated in indoor heat exchanger 3
It separates out, newly-generated gaseous coolant is avoided to influence the heat-absorbing action of remaining liquid refrigerants.
Flash vessel 5 can also be to be multiple, and multiple flash vessels 5 are spaced apart setting, and multiple flash vessels 5 may be inhaled the cold of different zones
Matchmaker's mixture.For example, the first interface 51 of a flash vessel 5 is connected with throttling set 4 in multiple flash vessels 5, the flash vessel 5
Second interface 52 is connected with the entrance of indoor heat exchanger 3.The first interface 51 and second of remaining flash vessel 5 in multiple flash vessels 5
Interface 52 is connected with indoor heat exchanger 3.
In another example as shown in Figure 6 and Figure 7, the first interface 51 of multiple flash vessels 5 is connected to indoor heat exchanger at interval
On 3, the second interface 52 of multiple flash vessels 5 is also connected on indoor heat exchanger 3 at interval.
By the way that multiple flash vessels 5 are arranged, separated regions discontinuously isolates gaseous coolant therein, is conducive to be completely separated
Gaseous coolant out facilitates the heat absorption of liquid refrigerants in indoor heat exchanger 3.
Advantageously, in refrigeration cycle on the flow direction of refrigerant, the first interface 51 and indoor heat exchanger 3 of flash vessel 5
Tie point in the upstream of second interface 52 and the tie point of indoor heat exchanger 3.
In the example of hgure 5, the first interface 51 of flash vessel 5 and second interface 52 are connected to indoor heat exchanger 3
Between adjacent tubular segments, this is equivalent in refrigeration cycle on the circulating direction of refrigerant, and the refrigerant in a upper pipeline section is through flash vessel 5
After whole gas-liquid separations, the liquid refrigerants isolated could flow to next pipeline section.
It should be noted that compressor 1, four-way valve, outdoor heat exchanger 2, indoor heat exchanger 3 and throttling set 4 structure,
Principle etc. is the prior art, is just not described in detail here.
Other compositions such as electric-controlled box of refrigeration system 100 according to an embodiment of the present invention and heat pump system 200 etc. and
Operating all is known for those of ordinary skills, is not detailed herein.
It is illustrated so that refrigeration system 100 or heat pump system 200 are applied in air-conditioning as an example in the above description
's.Such as the air conditioner with above-mentioned refrigeration system 100 is single cold type air conditioner, this single cold type air conditioner is by being provided with
The evaporator of flash vessel 5, indoor refrigeration effect are more fast.Air conditioner with above-mentioned heat pump system 200 is cold-warm type air-conditioning
Device, heating and air conditioner can also improve indoor refrigeration effect in refrigeration cycle.
Certainly, above-mentioned refrigeration system 100 or heat pump system 200, it can also be used to other households, commercialization or industrial equipment
In, to improve the refrigerating efficiency of these equipment, it is not especially limited here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiment 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 (9)
1. a kind of refrigeration system characterized by comprising
Compressor, the compressor have exhaust outlet and gas returning port；
Outdoor heat exchanger and indoor heat exchanger, the entrance of the outdoor heat exchanger is connected to the exhaust outlet of the compressor, described
The outlet of indoor heat exchanger is connected to the gas returning port of the compressor；
Throttling set, the throttling set are connected in series between the outdoor heat exchanger and indoor heat exchanger；
Flash vessel, the flash vessel are equipped with first interface, second interface and third interface, and the first interface is changed with the interior
Hot device is connected to import refrigerant, and the second interface is connected to export liquid to the indoor heat exchanger with the indoor heat exchanger
Refrigerant, the third interface are connected by dropping equipment with the gas returning port.
2. refrigeration system according to claim 1, which is characterized in that the flash vessel is multiple, the multiple flash vessel
The first interface be connected on the indoor heat exchanger at interval, the second interface of the multiple flash vessel also between
It is separatedly connected on the indoor heat exchanger.
3. refrigeration system according to claim 1, which is characterized in that the dropping equipment is capillary, electric expansion valve
Or pressure reducing valve.
4. a kind of heat pump system characterized by comprising
Compressor, the compressor have exhaust outlet and gas returning port；
Commutate component, and the commutation component is equipped with the first valve port to the 4th valve port, the first valve port and third valve port and the 4th valve port
In one of connection, the second valve port is connected to another in the third valve port and the 4th valve port, described first
Valve port is connected to the exhaust outlet, and second valve port is connected to the gas returning port；
Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger are connected to the third valve port, the interior
The first end of heat exchanger is connected to the 4th valve port；
Throttling set, the throttling set are connected in series in the second end of the outdoor heat exchanger and the second end of indoor heat exchanger
Between；
Flash vessel, the flash vessel are equipped with first interface, second interface and third interface, and the first interface is changed with the interior
Hot device is connected, and the second interface is connected with the indoor heat exchanger, and the third interface connects the return-air by muffler
Mouthful；
Dropping equipment, the dropping equipment are connected in series on the muffler；
Control valve with opening and closing function, the control valve are connected with the flash vessel, and the control valve is for controlling the sudden strain of a muscle
The switch of steaming device.
5. heat pump system according to claim 4, which is characterized in that the control valve is connected on the muffler.
6. heat pump system according to claim 5, which is characterized in that the dropping equipment has opening and closing function to limit
The control valve.
7. heat pump system according to claim 4, which is characterized in that the dropping equipment is capillary, electric expansion valve
Or pressure reducing valve.
8. heat pump system according to claim 4, which is characterized in that the flash vessel is multiple, the multiple flash vessel
The first interface be connected on the indoor heat exchanger at interval, the second interface of the multiple flash vessel also between
It is separatedly connected on the indoor heat exchanger.
9. the heat pump system according to any one of claim 4-8, which is characterized in that the commutation component is four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779985.7A CN105241135B (en) | 2015-11-12 | 2015-11-12 | refrigeration system and heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779985.7A CN105241135B (en) | 2015-11-12 | 2015-11-12 | refrigeration system and heat pump system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105241135A CN105241135A (en) | 2016-01-13 |
| CN105241135B true CN105241135B (en) | 2019-01-04 |
Family
ID=55038877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779985.7A Active CN105241135B (en) | 2015-11-12 | 2015-11-12 | refrigeration system and heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105241135B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546893A (en) * | 2016-02-26 | 2016-05-04 | 珠海格力电器股份有限公司 | Flash evaporation device, compressor system and air conditioner |
| CN107830659A (en) * | 2017-11-29 | 2018-03-23 | 芜湖美智空调设备有限公司 | Heat-exchanger rig and air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043821Y (en) * | 2007-06-02 | 2008-04-02 | 广东美的电器股份有限公司 | Enhanced air conditioner adopting vapor injection type compressor |
| CN201621800U (en) * | 2010-01-18 | 2010-11-03 | 珠海格力电器股份有限公司 | Bidirectional enthalpy addition and air replenishment air-conditioning system |
| US20130255289A1 (en) * | 2012-03-30 | 2013-10-03 | Hamilton Sundstrand Corporation | Flash tank eliminator |
| CN204084935U (en) * | 2014-08-04 | 2015-01-07 | 青岛海尔空调器有限总公司 | Idle call tonifying Qi increases enthalpy refrigeration system and air-conditioning |
| CN205174953U (en) * | 2015-11-12 | 2016-04-20 | 安徽美芝精密制造有限公司 | Refrigerating system and heat pump system |
-
2015
- 2015-11-12 CN CN201510779985.7A patent/CN105241135B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105241135A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104833010B (en) | The outdoor unit and heat-reclamation multi-compressors of heat-reclamation multi-compressors | |
| CN106352587B (en) | Refrigeration system | |
| CN110486967A (en) | A kind of air-conditioning system and its control method | |
| CN106524610A (en) | Air conditioning system and air conditioner | |
| CN106546030B (en) | Refrigeration system | |
| CN106062492A (en) | Refrigeration system with separate feedstreams to multiple evaporator zones | |
| CN109373533A (en) | Adjusting method, regulating device, multi-line system and computer readable storage medium | |
| CN207963224U (en) | Air conditioner | |
| CN108692478B (en) | The control method of air-conditioning system and air-conditioning system | |
| CN106322814A (en) | Air conditioning system and air conditioner | |
| CN207214503U (en) | Air-conditioner system and there is its air conditioner | |
| CN109654764A (en) | A kind of two-stage enthalpy increasing system and its defrosting control method | |
| CN109442633A (en) | Air conditioner circulating system and its control method | |
| CN105241135B (en) | refrigeration system and heat pump system | |
| CN205843117U (en) | Refrigeration system | |
| CN103968477B (en) | Air conditioner | |
| CN104482685B (en) | Heating and air conditioner | |
| CN106556067A (en) | The indoor set component of two control multi-connected machines and the two control multi-connected machines with which | |
| CN104422208B (en) | Air conditioning system | |
| CN104896808B (en) | Multiple on-line system | |
| CN107560213A (en) | Air-conditioning system and air-conditioning | |
| CN106369863A (en) | Refrigerating device | |
| CN106247667B (en) | refrigeration system and its control method | |
| CN205174953U (en) | Refrigerating system and heat pump system | |
| CN106556175A (en) | Air-conditioning system and air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |