CN203980733U - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN203980733U CN203980733U CN201420329346.1U CN201420329346U CN203980733U CN 203980733 U CN203980733 U CN 203980733U CN 201420329346 U CN201420329346 U CN 201420329346U CN 203980733 U CN203980733 U CN 203980733U
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Abstract
The utility model discloses a kind of air-conditioning system, comprising: air injection enthalpy-increasing compressor, commutation assembly, indoor heat exchanger, outdoor heat exchanger, flash vessel, first throttle element, second section fluid element and gas-liquid separator.Air injection enthalpy-increasing compressor comprises puff prot.Flash vessel has gas-liquid ejiction opening, first mouth of pipe and second mouth of pipe, and first mouth of pipe is connected with indoor heat exchanger, and second mouth of pipe is connected with outdoor heat exchanger.Gas-liquid separator has input port, gas delivery port and liquid outlet, input port is connected with gas-liquid ejiction opening, gas delivery port is connected with puff prot, and liquid outlet, by the pipeline connection between tube connector and indoor heat exchanger and first mouth of pipe, is in series with control valve on tube connector.According to air-conditioning system of the present utility model, avoid liquid refrigerants directly to get back in air injection enthalpy-increasing compressor by puff prot and air injection enthalpy-increasing compressor is caused to damage, increase the coolant quantity of evaporation, improve performance and the operational reliability of air-conditioning system.
Description
Technical field
The utility model relates to refrigerating field, especially relates to a kind of air-conditioning system.
Background technology
Most of air-conditioning system that adopts air injection enthalpy-increasing compressor at present, all by a flash vessel, cold-producing medium after condenser condenses is carried out to gas-liquid separation, and gaseous refrigerant wherein is directly got back to compressor by puff prot and is compressed, thereby promotes household air-conditioner.According to the characteristic of air injection enthalpy-increasing compressor, if there is liquid refrigerant directly to get back to compressor, not only can reduce household air-conditioner, also can cause damage to compressor.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.For this reason, an object of the present utility model is to propose a kind of air-conditioning system, avoids liquid refrigerants directly get back in air injection enthalpy-increasing compressor by puff prot and air injection enthalpy-increasing compressor is caused to damage.
According to air-conditioning system of the present utility model, comprising: air injection enthalpy-increasing compressor, described air injection enthalpy-increasing compressor comprises exhaust outlet, gas returning port and puff prot; Commutation assembly, described commutation assembly comprises first to fourth interface, one of them conducting in described first interface and described the second interface and described the 3rd interface, another conducting in described the 4th interface and described the second interface and described the 3rd interface, described first interface is connected with described exhaust outlet, and described the 4th interface is connected with described gas returning port; Indoor heat exchanger, the first end of described indoor heat exchanger is connected with described the second interface; Outdoor heat exchanger, the first end of described outdoor heat exchanger is connected with described the 3rd interface; Flash vessel, described flash vessel has gas-liquid ejiction opening, first mouth of pipe and second mouth of pipe, and described first mouth of pipe is connected with the second end of described indoor heat exchanger, and described second mouth of pipe is connected with the second end of described outdoor heat exchanger; First throttle element and second section fluid element, described first throttle element is connected between described first mouth of pipe and described indoor heat exchanger, and described second section fluid element is connected between described second mouth of pipe and described outdoor heat exchanger; Gas-liquid separator, described gas-liquid separator has input port, gas delivery port and liquid outlet, described input port is connected with described gas-liquid ejiction opening, described gas delivery port is connected with described puff prot, described liquid outlet, by the pipeline connection between tube connector and described indoor heat exchanger and described first mouth of pipe, is in series with the control valve that is used to open or close described tube connector on described tube connector.
According to air-conditioning system of the present utility model, by being provided with gas-liquid separator, the input port of gas-liquid separator is communicated with the gas-liquid ejiction opening of flash vessel, the gas delivery port of gas-liquid separator is communicated with puff prot, thereby making refrigerant is all just to get back in air injection enthalpy-increasing compressor by puff prot after twice gas-liquid separation, ensure that the refrigerant of getting back in air injection enthalpy-increasing compressor by puff prot is gaseous coolant, avoid liquid refrigerants directly get back in air injection enthalpy-increasing compressor by puff prot and air injection enthalpy-increasing compressor is caused to damage, simultaneously because gas-liquid separator has liquid outlet, increase the coolant quantity evaporating, performance and the operational reliability of air-conditioning system are improved.
In addition, can also there is following additional technical characterictic according to the above-mentioned air-conditioning system of the utility model:
According to embodiment more of the present utility model, described gas-liquid separator comprises: housing, limits separated space in described housing; Input pipe, described input pipe extend in described separated space from the top of described housing, and the port being positioned at outside described housing of described input pipe limits described input port; Screen pack, described screen pack is located in described separated space and is positioned at the below of described input pipe; Escape pipe, described escape pipe extend in described separated space, and the port being positioned at outside described housing of described escape pipe limits described gas delivery port; Drain pipe, described drain pipe extend in described separated space from the diapire of described housing, and the port being positioned at outside described housing of described drain pipe limits described liquid outlet.
In examples more of the present utility model, described escape pipe extend in described separated space from the diapire of described housing, and the port open that is positioned at described housing of described escape pipe and the port of described escape pipe are positioned at the top of the port that is positioned at described housing of described drain pipe.
In other examples of the present utility model, described escape pipe extend in described separated space from the diapire of described housing, the port closed that is positioned at described housing of described escape pipe and the described port of sealing are positioned at the top of the port that is positioned at described housing of described drain pipe, and the perisporium of the described port of the contiguous sealing of described escape pipe is provided with through hole.
Particularly, described through hole is that multiple and described multiple through holes are evenly spaced apart around the perisporium of described escape pipe.Thereby ensure the output quantity of gaseous coolant.
More specifically, described multiple through holes are scattered in many rows, and described many exhausting holes are evenly spaced apart on above-below direction, and the described through hole of every row is evenly spaced apart on the perisporium of described escape pipe.Thereby further ensure the output quantity of gaseous coolant.
In some examples more of the present utility model, described escape pipe extend in described separated space and the lower end of described escape pipe is positioned at the top of described screen pack from the roof of described housing.
Preferably, described commutation assembly is cross valve.Thereby make the simple in structure of assembly that commutate.
Alternatively, described first throttle element is capillary or electric expansion valve, and described second section fluid element is capillary or electric expansion valve.
Alternatively, described control valve is magnetic valve.Thus, can be convenient to realize the automation control of control valve
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the schematic diagram of the air-conditioning system of the utility model embodiment;
Fig. 2 and Fig. 3 are according to the schematic diagram of the gas-liquid separator of the several different embodiment of the utility model.
Reference numeral:
Air-conditioning system 100,
Air injection enthalpy-increasing compressor 1, exhaust outlet a, gas returning port b, puff prot c,
Commutation assembly 2, first interface d, the second interface e, the 3rd interface f, the 4th interface g,
Indoor heat exchanger 3, outdoor heat exchanger 4, flash vessel 5, gas-liquid ejiction opening h, the first mouth of pipe i, the second mouth of pipe j, first throttle element 6, second section fluid element 7, gas-liquid separator 8, input port k, gas delivery port n, liquid outlet m, housing 80, separated space 81, input pipe 82, screen pack 83, escape pipe 84, through hole 85, drain pipe 86,
Tube connector 9, control valve 91.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, " top ", " end ", " interior ", " outward ", " circumferentially " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe in detail according to the air-conditioning system 100 of the utility model embodiment below with reference to Fig. 1-Fig. 3, this air-conditioning system 100 has refrigeration mode and heating mode.
As shown in Figure 1, according to the air-conditioning system 100 of the utility model embodiment, comprising: air injection enthalpy-increasing compressor 1, commutation assembly 2, indoor heat exchanger 3, outdoor heat exchanger 4, flash vessel 5, first throttle element 6, second section fluid element 7 and gas-liquid separator 8.Wherein, air injection enthalpy-increasing compressor 1 comprises exhaust outlet a, gas returning port b and puff prot c, need to describe, and internal structure and the operation principle etc. of air injection enthalpy-increasing compressor 1 are prior art, are not just described in detail here.
Commutation assembly 2 comprises first interface d, the second interface e, the 3rd interface f and the 4th interface g, one of them conducting in first interface d and the second interface e and the 3rd interface f, another conducting in the 4th interface g and the second interface e and the 3rd interface f, first interface d is connected with exhaust outlet a, and the 4th interface g is connected with gas returning port b.The first end of indoor heat exchanger 3 is connected with the second interface e.The first end of outdoor heat exchanger 4 is connected with the 3rd interface f.When air-conditioning system 100 is during in refrigeration mode, first interface d and the 3rd interface f conducting and the second interface e and the 4th interface g conducting.When air-conditioning system 100 is during in heating mode, first interface d and the second interface e conducting and the 3rd interface f and the 4th interface g conducting.
In preferred exemplary more of the present utility model, commutation assembly 2 is cross valve, thereby makes the simple in structure of assembly 2 that commutate.In other examples of the present utility model, commutation assembly 2 can also comprise the first pipeline to the four pipelines, the first pipeline to the four pipelines join end to end successively, on the first pipeline, be in series with the first magnetic valve, on second pipe, be in series with the second magnetic valve, on the 3rd pipeline, be in series with the 3rd magnetic valve, on the 4th pipeline, be in series with the 4th magnetic valve, the junction of the first pipeline and second pipe limits first interface d, the junction of the first pipeline and the 4th pipeline limits the second interface e, the junction of the 4th pipeline and the 3rd pipeline limits the 4th interface g, the junction of the 3rd pipeline and second pipe limits the 3rd interface f, the first magnetic valve and the 3rd magnetic valve are opened simultaneously or close, the second magnetic valve and the 4th magnetic valve are opened simultaneously or close.
Flash vessel 5 has gas-liquid ejiction opening h, the first mouth of pipe i and the second mouth of pipe j, and the first mouth of pipe i is connected with the second end of indoor heat exchanger 3, and the second mouth of pipe j is connected with the second end of outdoor heat exchanger 4.Flash vessel 5 has the effect of gas-liquid separation, one of them refrigerant entering in flash vessel 5 from the first mouth of pipe i and the second mouth of pipe j carries out gas-liquid separation, the gaseous coolant of separating or gas-liquid mixed state refrigerant flow out from gas-liquid ejiction opening h, the liquid refrigerants of separating another outflow from the first mouth of pipe i and the second mouth of pipe j.
First throttle element 6 is connected between the first mouth of pipe i and indoor heat exchanger 3, and first throttle element 6 plays the effect of reducing pressure by regulating flow, and alternatively, first throttle element 6 is capillary or electric expansion valve.Second section fluid element 7 is connected between the second mouth of pipe j and outdoor heat exchanger 4.Second section fluid element 7 plays the effect of reducing pressure by regulating flow, and alternatively, second section fluid element 7 is capillary or electric expansion valve.
Gas-liquid separator 8 has input port k, gas delivery port n and liquid outlet m, input port k is connected with gas-liquid ejiction opening h, gas delivery port n is connected with puff prot c, liquid outlet m, by the pipeline connection between tube connector 9 and indoor heat exchanger 3 and the first mouth of pipe i, is in series with the control valve 91 that is used to open or close tube connector 9 on tube connector 9.Gas-liquid separator 8 has the effect of gas-liquid separation, the gas-liquid mixed state refrigerant entering in gas-liquid separator 8 from input port k carries out gas-liquid separation, the gaseous coolant of separating flows out from gas delivery port n, and the liquid refrigerants of separating flows out from liquid outlet m.Alternatively, the pipeline connection between tube connector 9 and indoor heat exchanger 3 and first throttle element 6.
Particularly, when air-conditioning system 100 is during in refrigeration mode, first interface d and the 3rd interface f conducting and the second interface e and the 4th interface g conducting, control valve 91 is opened.The HTHP refrigerant of discharging from air injection enthalpy-increasing compressor 1 is after commutation assembly 2, enter into outdoor heat exchanger 4 and carry out condensation, the refrigerant of discharging from outdoor heat exchanger 4 enters into flash vessel 5 by the second mouth of pipe j after the reducing pressure by regulating flow of second section fluid element 7, enter into the refrigerant of flash vessel 5 after gas-liquid separation, the gas-liquid mixed state refrigerant that may be mixed with small part liquid refrigerants enters into gas-liquid separator 8 by input port k, directly get back in air injection enthalpy-increasing compressor 1 and compress by puff prot c through the gaseous coolant after gas-liquid separation again, flow in indoor heat exchanger 4 and evaporate by liquid outlet m and through tube connector 9 through the liquid refrigerants after gas-liquid separation again.
The liquid refrigerants of separating in flash vessel 5 enters into first throttle element 6 by the first mouth of pipe i, refrigerant after the reducing pressure by regulating flow of first throttle element 6 enters in indoor heat exchanger 3 and evaporates, come back to air injection enthalpy-increasing compressor 1 and continue compression through commutation assembly 2 from indoor heat exchanger 3 refrigerant out, kind of refrigeration cycle finishes.
That is to say, in air-conditioning system 100 during in refrigeration mode, enter into the refrigerant that indoor heat exchanger 3 carries out heat exchange and not only comprise that the refrigerant flowing out from first throttle element 6 also comprises the refrigerant flowing out from the liquid outlet m of gas-liquid separator 8, enter into thereby increased the coolant quantity that indoor heat exchanger 3 evaporates, improved the performance of air-conditioning system 100.
When air-conditioning system 100 is during in heating mode, first interface d and the second interface e conducting and the 3rd interface f and the 4th interface g conducting, control valve 91 is opened.The HTHP refrigerant of discharging from air injection enthalpy-increasing compressor 1 is after commutation assembly 2, enter into indoor heat exchanger 3 and carry out condensation, the refrigerant of discharging from indoor heat exchanger 3 enters into flash vessel 5 by the first mouth of pipe i after the reducing pressure by regulating flow of first throttle element 6, enter into the refrigerant of flash vessel 5 after gas-liquid separation, the gas-liquid mixed state refrigerant that may be mixed with small part liquid refrigerants enters into gas-liquid separator 8 by input port k, directly get back in air injection enthalpy-increasing compressor 1 and compress by puff prot c through the gaseous coolant after gas-liquid separation again, be drained into first throttle element 6 and carry out after reducing pressure by regulating flow from liquid outlet m and through tube connector 9 through the liquid refrigerants after gas-liquid separation again, be drained in outdoor heat exchanger 4 and evaporate by flash vessel 5 and second section fluid element 7 again, enter into thereby increased the coolant quantity that outdoor heat exchanger 4 evaporates, improve the performance of air-conditioning system 100.
In addition, when the refrigerant that enters into gas-liquid separator 8 by input port k after flash vessel 5 carries out gas-liquid separation to refrigerant is gaseous coolant, control valve 91 is closed, and makes the refrigerant in gas-liquid separator 8 all directly be got back in air injection enthalpy-increasing compressor 1 and be compressed by puff prot c.Thus, avoid liquid refrigerants to get back to by puff prot c under the prerequisite of air injection enthalpy-increasing compressor 1, accelerating the cycle efficieny of refrigerant, further improving the performance of air-conditioning system 100.
Alternatively, air-conditioning system 100 also can comprise checkout gear, and checkout gear is located in gas-liquid separator 8 or is located in the connecting pipe between input port k and gas-liquid ejiction opening h.Whether checkout gear is gaseous coolant for detection of the refrigerant that flows into gas-liquid separator 8, checkout gear is connected to control opening and closing of control valve 91 with control valve 91, the refrigerant that detects input gas-liquid separator 8 when checkout gear is while being all gaseous coolant, checkout gear is by closed control valve 91, and no side checkout gear will be opened control valve 91.Alternatively, control valve 91 is magnetic valve, thus, can be convenient to realize the automation control of control valve 91.
The liquid refrigerants of separating in flash vessel 5 is drained into second section fluid element 7 from the second mouth of pipe j, refrigerant after the reducing pressure by regulating flow of second section fluid element 7 enters in outdoor heat exchanger 4 and evaporates, come back to air injection enthalpy-increasing compressor 1 and continue compression through commutation assembly 2 from outdoor heat exchanger 4 refrigerant out, heat circulation and finish.
Hence one can see that, no matter that air-conditioning system 100 is in kind of refrigeration cycle or heat circulation, the refrigerant that enters into air injection enthalpy-increasing compressor 1 from puff prot c is all the gaseous coolant of separating after twice gas liquid separating function, be that refrigerant is just got back in air injection enthalpy-increasing compressor 1 by puff prot c after twice gas-liquid separation, that is to say, if be mixed with liquid refrigerants the refrigerant of discharging from the gas-liquid ejiction opening h of flash vessel 5, can carry out gas-liquid separation for the second time, avoid liquid refrigerants to get back in air injection enthalpy-increasing compressor 1 by puff prot c.
The liquid refrigerants of separating in gas-liquid separator 8 is discharged by liquid outlet m simultaneously, be drained into outdoor heat exchanger 4 heating the refrigerant that circulation time discharges from liquid delivery outlet m, the refrigerant of discharging from liquid delivery outlet m in the time of kind of refrigeration cycle is drained into indoor heat exchanger 3, increase the coolant quantity evaporating, improved the performance of air-conditioning system 100.
According to the air-conditioning system 100 of the utility model embodiment, by being provided with gas-liquid separator 8, the input port k of gas-liquid separator 8 is communicated with the gas-liquid ejiction opening h of flash vessel 5, the gas delivery port n of gas-liquid separator 8 is communicated with puff prot c, thereby making refrigerant is all just to get back in air injection enthalpy-increasing compressor 1 by puff prot c after twice gas-liquid separation, ensure that the refrigerant of getting back in air injection enthalpy-increasing compressor 1 by puff prot c is gaseous coolant, avoid liquid refrigerants directly get back in air injection enthalpy-increasing compressor 1 by puff prot c and air injection enthalpy-increasing compressor 1 is caused to damage, simultaneously because gas-liquid separator 8 has liquid outlet m, increase the coolant quantity evaporating, performance and the operational reliability of air-conditioning system 100 are improved.
Below with reference to Fig. 2 and Fig. 3 to being described in detail according to the structure of the gas-liquid separator 8 of two different embodiment of the utility model.
Embodiment 1:
As shown in Figure 2, in this embodiment, gas-liquid separator 8 comprises: housing 80, input pipe 82, screen pack 83, escape pipe 84 and drain pipe 86, wherein, limit separated space 81 in housing 80.Input pipe 82 extend in separated space 81 from the top of housing 80, and the port being positioned at outside housing 80 of input pipe 82 limits input port k.Screen pack 83 be located in separated space 81 and the below that is positioned at input pipe 82 to play the effect of gas-liquid separation and impurity screening.Escape pipe 84 extend in separated space 81 from the diapire of housing 80, and the port being positioned at outside housing 80 of escape pipe 84 limits gas delivery port n.Drain pipe 86 extend in separated space 81 from the diapire of housing 80, and the port being positioned at outside housing 80 of drain pipe 86 limits liquid outlet m.
The port closed that is positioned at housing 80 of escape pipe 84 and the port of sealing are positioned at the top of the port that is positioned at housing 80 of drain pipe 86, the port of the sealing of escape pipe 84 is positioned at the top of separated space 81, the port that is positioned at housing 80 of drain pipe 86 is positioned at the bottom of separated space 81, and the perisporium of the port of the contiguous sealing of escape pipe 84 is provided with through hole 85.Certainly be worth understanding, the position of the port of the sealing of escape pipe 84 is not limited to this, and for example the port of sealing can also be positioned at the middle part of separated space 81.
Particularly, through hole 85 for the perisporium that multiple and multiple through holes 85 lay out tracheae 84 evenly spaced apart.Thereby ensure the output quantity of gaseous coolant.More specifically, multiple through holes 85 are scattered in many rows, and many exhausting holes 85 are evenly spaced apart on above-below direction, and every exhausting hole 85 is evenly spaced apart on the perisporium of escape pipe 84.Thereby further ensure the output quantity of gaseous coolant.
In this embodiment, gas-liquid mixed state refrigerant in input pipe 82 enters into separated space 81 carries out gas-liquid separation under the double action of gravity and screen pack 83, the gaseous coolant of separating enters in escape pipe 84 from through hole 85, and be input in puff prot c from gas delivery port n, the liquid refrigerants of separating enters in drain pipe 86 and from liquid delivery outlet m and discharges.
Need to describe, the quantity of through hole 85 can be specifically limited according to actual conditions, and simultaneously the spread geometry of through hole 85 is not limited to this, and multiple through holes 85 can also be arranged in for example multiple through holes 85 of other shapes and lay out the perisporium Spiral distribution of tracheae 84.
Embodiment 2:
As shown in Figure 3, in this embodiment, be not both with embodiment 1, escape pipe 84 extend in separated space 81 and the lower end of escape pipe 84 is positioned at the top of screen pack 83 from the roof of housing 80.
In this embodiment, gas-liquid mixed state refrigerant in input pipe 82 enters into separated space 81 carries out gas-liquid separation under the double action of gravity and screen pack 83, the gaseous coolant of separating enters in escape pipe 84 from the lower end of escape pipe 84, and be input in puff prot c from gas delivery port n, the liquid refrigerants of separating enters in drain pipe 86 and discharges from liquid outlet m from the upper end of drain pipe 86.
Need to describe, in this embodiment, other structure example of gas-liquid separator 8, as setting position of the structure of housing 80, input pipe 82 and screen pack 83 etc. can be identical with structure and setting position in embodiment 1, just repeat no more here.
Be understandable that, two above-mentioned embodiment just carry out exemplary illustration to the structure of gas-liquid separator 8, gas-liquid separator 8 can also be formed as other shapes, as long as ensure that gas-liquid separator 8 can carry out gas-liquid separation and gaseous coolant is discharged and liquid refrigerants is discharged from drain pipe 86 from escape pipe 84 refrigerant, in other embodiment of the present utility model, escape pipe 84 can extend in separated space 81 from the diapire of housing 80, the port open that is positioned at housing 80 of escape pipe 84 and the port of escape pipe 84 are positioned at the top of the port that is positioned at housing 80 of drain pipe 86.In this embodiment, the length of the part that is positioned at separated space 81 of escape pipe 84 should ensure that gaseous coolant can enter into escape pipe 84 and liquid refrigerants cannot enter into escape pipe 84.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent.
Claims (10)
1. an air-conditioning system, is characterized in that, comprising:
Air injection enthalpy-increasing compressor, described air injection enthalpy-increasing compressor comprises exhaust outlet, gas returning port and puff prot;
Commutation assembly, described commutation assembly comprises first to fourth interface, one of them conducting in described first interface and described the second interface and described the 3rd interface, another conducting in described the 4th interface and described the second interface and described the 3rd interface, described first interface is connected with described exhaust outlet, and described the 4th interface is connected with described gas returning port;
Indoor heat exchanger, the first end of described indoor heat exchanger is connected with described the second interface;
Outdoor heat exchanger, the first end of described outdoor heat exchanger is connected with described the 3rd interface;
Flash vessel, described flash vessel has gas-liquid ejiction opening, first mouth of pipe and second mouth of pipe, and described first mouth of pipe is connected with the second end of described indoor heat exchanger, and described second mouth of pipe is connected with the second end of described outdoor heat exchanger;
First throttle element and second section fluid element, described first throttle element is connected between described first mouth of pipe and described indoor heat exchanger, and described second section fluid element is connected between described second mouth of pipe and described outdoor heat exchanger;
Gas-liquid separator, described gas-liquid separator has input port, gas delivery port and liquid outlet, described input port is connected with described gas-liquid ejiction opening, described gas delivery port is connected with described puff prot, described liquid outlet, by the pipeline connection between tube connector and described indoor heat exchanger and described first mouth of pipe, is in series with the control valve that is used to open or close described tube connector on described tube connector.
2. air-conditioning system according to claim 1, is characterized in that, described gas-liquid separator comprises:
Housing, limits separated space in described housing;
Input pipe, described input pipe extend in described separated space from the top of described housing, and the port being positioned at outside described housing of described input pipe limits described input port;
Screen pack, described screen pack is located in described separated space and is positioned at the below of described input pipe;
Escape pipe, described escape pipe extend in described separated space, and the port being positioned at outside described housing of described escape pipe limits described gas delivery port;
Drain pipe, described drain pipe extend in described separated space from the diapire of described housing, and the port being positioned at outside described housing of described drain pipe limits described liquid outlet.
3. air-conditioning system according to claim 2, it is characterized in that, described escape pipe extend in described separated space from the diapire of described housing, and the port open that is positioned at described housing of described escape pipe and the port of described escape pipe are positioned at the top of the port that is positioned at described housing of described drain pipe.
4. air-conditioning system according to claim 2, it is characterized in that, described escape pipe extend in described separated space from the diapire of described housing, the port closed that is positioned at described housing of described escape pipe and the described port of sealing are positioned at the top of the port that is positioned at described housing of described drain pipe, and the perisporium of the described port of the contiguous sealing of described escape pipe is provided with through hole.
5. air-conditioning system according to claim 4, is characterized in that, described through hole is that multiple and described multiple through holes are evenly spaced apart around the perisporium of described escape pipe.
6. air-conditioning system according to claim 5, is characterized in that, described multiple through holes are scattered in many rows, and described many exhausting holes are evenly spaced apart on above-below direction, and the described through hole of every row is evenly spaced apart on the perisporium of described escape pipe.
7. air-conditioning system according to claim 2, is characterized in that, described escape pipe extend in described separated space and the lower end of described escape pipe is positioned at the top of described screen pack from the roof of described housing.
8. air-conditioning system according to claim 1, is characterized in that, described commutation assembly is cross valve.
9. air-conditioning system according to claim 1, is characterized in that, described first throttle element is capillary or electric expansion valve, and described second section fluid element is capillary or electric expansion valve.
10. air-conditioning system according to claim 1, is characterized in that, described control valve is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329346.1U CN203980733U (en) | 2014-06-19 | 2014-06-19 | Air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329346.1U CN203980733U (en) | 2014-06-19 | 2014-06-19 | Air-conditioning system |
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| CN203980733U true CN203980733U (en) | 2014-12-03 |
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| CN201420329346.1U Withdrawn - After Issue CN203980733U (en) | 2014-06-19 | 2014-06-19 | Air-conditioning system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105299947A (en) * | 2014-06-19 | 2016-02-03 | 美的集团股份有限公司 | Air-conditioning system |
| CN106705514A (en) * | 2015-07-30 | 2017-05-24 | 钹特环保科技（上海）有限公司 | Gas-liquid separator and application method |
| CN107489608A (en) * | 2017-08-04 | 2017-12-19 | 广东美的暖通设备有限公司 | Air-conditioning system and method for cooling compressor |
| CN107489607A (en) * | 2017-08-04 | 2017-12-19 | 广东美的暖通设备有限公司 | Air-conditioning system and method for cooling compressor |
| CN111664523A (en) * | 2020-05-08 | 2020-09-15 | 海信（山东）空调有限公司 | Enhanced vapor injection system and control method |
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2014
- 2014-06-19 CN CN201420329346.1U patent/CN203980733U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105299947A (en) * | 2014-06-19 | 2016-02-03 | 美的集团股份有限公司 | Air-conditioning system |
| CN105299947B (en) * | 2014-06-19 | 2018-06-29 | 美的集团股份有限公司 | Air-conditioning system |
| CN106705514A (en) * | 2015-07-30 | 2017-05-24 | 钹特环保科技（上海）有限公司 | Gas-liquid separator and application method |
| CN107489608A (en) * | 2017-08-04 | 2017-12-19 | 广东美的暖通设备有限公司 | Air-conditioning system and method for cooling compressor |
| CN107489607A (en) * | 2017-08-04 | 2017-12-19 | 广东美的暖通设备有限公司 | Air-conditioning system and method for cooling compressor |
| CN107489608B (en) * | 2017-08-04 | 2020-04-17 | 广东美的暖通设备有限公司 | Air conditioning system and compressor cooling method |
| CN107489607B (en) * | 2017-08-04 | 2020-06-30 | 广东美的暖通设备有限公司 | Air conditioning system and compressor cooling method |
| CN111664523A (en) * | 2020-05-08 | 2020-09-15 | 海信（山东）空调有限公司 | Enhanced vapor injection system and control method |
| CN111664523B (en) * | 2020-05-08 | 2021-11-26 | 海信（山东）空调有限公司 | Enhanced vapor injection system and control method |
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