CN105066526B - Air supplying and enthalpy increasing method and system for air conditioner and air conditioner - Google Patents

Air supplying and enthalpy increasing method and system for air conditioner and air conditioner Download PDF

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CN105066526B
CN105066526B CN201510416282.8A CN201510416282A CN105066526B CN 105066526 B CN105066526 B CN 105066526B CN 201510416282 A CN201510416282 A CN 201510416282A CN 105066526 B CN105066526 B CN 105066526B
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heat exchanger
outdoor heat
temperature
air
return
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CN105066526A (en
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马熙华
熊美兵
许永锋
胡伟龙
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Abstract

The invention relates to an air supplying and enthalpy increasing system and method for an air conditioner. The air supplying and enthalpy increasing system comprises a refrigerant circulating loop composed of a compressor, a reversing valve, an outdoor heat exchanger and an indoor heat exchanger. An evaporating device is connected to a main flow path between the outdoor heat exchanger and the indoor heat exchanger. An auxiliary flow path is led out from the main flow path between the outdoor heat exchanger and the indoor heat exchanger and connected to the compressor after heat exchange is conducted between the auxiliary flow path and the main flow path through the evaporating device. A throttling device is fixed to an inlet of an auxiliary flow path evaporating device. A first temperature sensing device is fixed to an outlet of the outdoor heat exchanger. A second temperature sensing device is fixed to an outlet of the auxiliary flow path evaporating device. A pressure sensing device is fixed to an air return pipe of the compressor. According to the air supplying and enthalpy increasing system and method for the air conditioner, the frosting speed of the outdoor heat exchanger can be lowered, it is guaranteed that the heat exchange capacity of the outdoor heat exchanger is brought into full play, and the degree of superheat of refrigerants at the outlet of outdoor heat exchanger is increased; meanwhile, the degree of superheat and the enthalpy value of refrigerants on the air return side of the compressor are increased, and thus the operating efficiency of the compressor is improved.

Description

A kind of air-conditioning Gas-supplying enthalpy-increasing method, system and air-conditioning
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air-conditioning Gas-supplying enthalpy-increasing method, system and air-conditioning.
Background technology
Compressor that existing air-conditioned refrigerant circulation returns to be connected by ending, reversal valve, indoor heat exchanger, outdoor heat exchanger And reversal valve is constituted, and is realized the refrigeration of air-conditioning and is heated.
Existing technical scheme does not have supercooling apparatus, and the coolant into outdoor heat exchanger is directly exchanged heat with the external world.When When frosting situation occurs in outdoor heat exchanger, heat transfer effect is deteriorated, and frosting gradually can increase, and heat exchanger thermal resistance is increased, and causes heat exchange Ability declines, and coolant is returned directly to compressor after cannot drawing enough heats, compressor efficiency is not high.
The content of the invention
The technical problem to be solved is for the deficiencies in the prior art, there is provided a kind of air-conditioning Gas-supplying enthalpy-increasing side Method, system and air-conditioning.The present invention can slow down outdoor heat exchanger frosting velocity, it might even be possible to avoid frosting situation from occurring, it is ensured that room The exchange capability of heat of external heat exchanger more can be made full use of, and contribute to lifting the degree of superheat that coolant is exported in outdoor heat exchanger;Together When the compressor return air side coolant degree of superheat and enthalpy get a promotion, so as to improve compressor operating efficiency.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of air-conditioning Gas-supplying enthalpy-increasing system, including compressor, The refrigerant circulation circuit that reversal valve, outdoor heat exchanger and indoor heat exchanger are constituted;The outdoor heat exchanger and indoor heat exchanger it Between primary flow path on be connected with vaporising device, in the primary flow path between the outdoor heat exchanger and indoor heat exchanger draw one Secondary flow road, the secondary flow road Jing vaporising devices carry out heat exchange with primary flow path, and then are connected to compressor, the secondary flow road evaporation The porch of device is fixed with throttling arrangement, and the outdoor heat exchanger exit is fixed with the first temperature sensing device, in the secondary flow The exit of road vaporising device is fixed with the second temperature sensing device, is fixed with pressure responsive device on the compressor return air pipe, and described One temperature sensing device, the second temperature sensing device and pressure responsive device are connected with controller, and the controller is connected with throttling arrangement;
First temperature sensing device is used to detect outdoor heat exchanger outlet temperature Ta that second temperature sensing device to be used for Detection vaporising device outlet temperature Ts, the pressure responsive device are used to detect return-air pipe pressure Pe that the controller to be for according to steaming Transmitting apparatus outlet temperature Ts calculates vaporising device secondary flow way outlet degree of superheat Tsh with return-air pipe pressure Pe, according to outdoor heat exchanger Outlet temperature Ta and vaporising device secondary flow way outlet degree of superheat Tsh adjust the aperture of throttling arrangement.
The invention has the beneficial effects as follows:One aspect of the present invention can be reduced into outdoor when frosting occurs in outdoor heat exchanger The coolant quantity of heat exchanger, reduces outdoor heat exchanger frosting velocity, or even avoids frosting situation from occurring, it is ensured that outdoor heat exchanger is changed Heat energy power more can be made full use of, and lift the degree of superheat that coolant is exported in outdoor heat exchanger, another aspect compressor return air side The coolant degree of superheat and enthalpy get a promotion, so as to improve compressor operating efficiency.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the controller calculates being implemented as vaporising device secondary flow way outlet degree of superheat Tsh:According to return-air Pipe pressure Pe Jing table look-up and draw corresponding saturation temperature Tsat, calculate vaporising device secondary flow way outlet temperature Ts and saturation temperature The difference of Tsat obtains evaporating secondary flow way outlet degree of superheat Tsh.
Further, the controller includes that throttling arrangement control module adjusts implementing for the aperture of throttling arrangement (5) For:
Step a, compressor start simultaneously run the △ t1 times;
Step b, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, outside note △ ta cups Heat exchanger (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step c, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step d, if meeting the condition in step c, judges Tsh and the first preset temperature T1 and the second preset temperature T2 Relation, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step c, if Tsh>T1, then increase are saved Stream device aperture △ P, and return to step c, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step c, wherein T2 <T1;
Step e, if the condition being unsatisfactory in step c, reduces throttling arrangement aperture △ P, return to step c.
Further, the outdoor heat exchanger is one or more than one, and the indoor heat exchanger is one or more than one; When the indoor heat exchanger is multiple stage, indoor heat exchanger is all turned on heating, or part is opened and heated, and part is standby.
Further, the reversal valve adopts cross valve, the throttling arrangement to adopt electric expansion valve, the vaporising device to adopt With plate type heat exchanger, first temperature sensing device adopts temperature sensor, second temperature sensing device to adopt temperature sensor, institute State pressure responsive device and adopt pressure transducer.
Further, the leading point on the secondary flow road is in the primary flow path entrance of the vaporising device or in the vaporising device Main flow way outlet.
Further, a secondary flow road is drawn in the primary flow path between the outdoor heat exchanger and indoor heat exchanger, it is described Secondary flow road is connected to compressor without vaporising device, but with temperature in air-conditioning higher than refrigerant temperature after the warp knuckle stream device of secondary flow road Device heat exchange, and then be connected to compressor.
A kind of air-conditioning Gas-supplying enthalpy-increasing method, comprises the steps:
Step S1, detects outdoor heat exchanger outlet temperature Ta, second temperature sensing device using the first temperature sensing device Detection vaporising device outlet temperature Ts, detects return-air pipe pressure Pe using pressure responsive device;
Step S2, controller calculate vaporising device secondary flow road with return-air pipe pressure Pe according to vaporising device outlet temperature Ts and go out Make a slip of the tongue temperature Tsh, throttling arrangement is adjusted according to outdoor heat exchanger outlet temperature Ta and vaporising device secondary flow way outlet degree of superheat Tsh Aperture.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, controller described in step S2 includes that throttling arrangement control module adjusts the aperture of throttling arrangement (5) It is implemented as:
Step 21, compressor start simultaneously run the △ t1 times;
Step 22, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, remember △ ta cups External heat exchanger (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step 23, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step 24, if meeting the condition in step 23, judges Tsh and the first preset temperature T1 and the second preset temperature The relation of T2, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step 23, if Tsh>T1, then increase Big throttling arrangement aperture △ P, and return to step 23, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step 23, Wherein T2<T1;
Step 25, if the condition being unsatisfactory in step 23, reduces throttling arrangement aperture △ P, return to step 23.
A kind of air-conditioning, including the air-conditioning Gas-supplying enthalpy-increasing system described in any of the above-described technical scheme.
Description of the drawings
Structural representations of the Fig. 1 for Gas-supplying enthalpy-increasing system described in the embodiment of the present invention 1;
Automatically controlled schematic diagrams of the Fig. 2 for Gas-supplying enthalpy-increasing system described in the embodiment of the present invention 1;
Structural representations of the Fig. 3 for Gas-supplying enthalpy-increasing system described in the embodiment of the present invention 2;
Fig. 4 is Gas-supplying enthalpy-increasing method flow diagram described in the real-time example 3 of the present invention;
Fig. 5 is concrete control method flow chart in the present invention in real time example 3.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and It is non-for limiting the scope of the present invention.
Embodiment 1, as shown in Figure 1, 2, a kind of air-conditioning Gas-supplying enthalpy-increasing system, including compressor 1, reversal valve 2, outdoor heat exchange The refrigerant circulation circuit that device 3 and indoor heat exchanger 7 are constituted;In primary flow path between the outdoor heat exchanger 3 and indoor heat exchanger 7 Vaporising device 4 is connected with, a secondary flow road in the primary flow path 61 between the outdoor heat exchanger 3 and indoor heat exchanger 7, is drawn 62,62 Jing vaporising devices 4 of the secondary flow road are exchanged heat with primary flow path 61, and then are connected to compressor 1, the secondary flow road evaporation The porch of device is fixed with throttling arrangement 5, and 3 exit of the outdoor heat exchanger is fixed with the first temperature sensing device 81, described The exit of secondary flow road vaporising device 4 is fixed with the second temperature sensing device 82, is fixed with pressure responsive device on the compressor return air pipe 83, first temperature sensing device 81, the second temperature sensing device 82 and pressure responsive device 83 are connected with controller 13, the controller 13 with Throttling arrangement 5 connects;First temperature sensing device 81 is used to detect 3 outlet temperature Ta of the outdoor heat exchanger, second sense Warm device 82 is used to detect 4 outlet temperature Ts of vaporising device that the pressure responsive device 83 to be used to detect return-air pipe pressure Pe, the control Device processed 13 is for according to 4 outlet temperature Ts of vaporising device and the return-air pipe pressure Pe calculating vaporising device secondary flow way outlet degrees of superheat Tsh, adjusts opening for throttling arrangement 5 according to 3 outlet temperature Ta of outdoor heat exchanger and vaporising device secondary flow way outlet degree of superheat Tsh Degree.
In the present embodiment, the reversal valve 2 adopts cross valve, the throttling arrangement 5 to adopt electric expansion valve, the evaporation Device 4 adopts plate type heat exchanger, first temperature sensing device 81 to adopt temperature sensor, and second temperature sensing device 82 is using temperature Degree sensor, the pressure responsive device 83 adopt pressure transducer.
When heating mode is run, after coolant is compressed by compressor 1, through compressor exhaust pipe 11 and cross valve 2, from gas Pipe 9 reaches indoor set 7 and carries out condensation heat release, then by 61 flowed into chamber external heat exchanger 3 of primary flow path.By from lead division at primary flow path 61 Coolant is divided to enter secondary flow road 62, after 5 reducing pressure by regulating flow of electric expansion valve, into plate type heat exchanger 4, in plate type heat exchanger 4 Evaporate after the heat for absorbing coolant in primary flow path 61, then compressor 1 is returned to through compressor return air pipe 12, it is cold in primary flow path 61 Matchmaker enters the heat that outdoor heat exchanger 3 absorbs the external world after the coolant cooling by secondary flow road 62, then compressed through cross valve 2 Machine muffler 12 returns to compressor 1.First is respectively equipped with the outlet of outdoor heat exchanger 3 and 4 secondary flow way outlet of plate type heat exchanger Temperature sensor 81 and second temperature sensor 82, and pressure transducer 83 is provided with compressor return air pipe 12.
The controller 13 calculates being implemented as vaporising device secondary flow way outlet degree of superheat Tsh:According to muffler pressure Power Pe Jing tables look-up and draws corresponding saturation temperature Tsat, calculates vaporising device secondary flow way outlet temperature Ts and saturation temperature Tsat Difference obtains evaporating secondary flow way outlet degree of superheat Tsh.
The controller 13 includes that throttling arrangement control module adjusts being implemented as the aperture of throttling arrangement (5):
Step a, compressor start simultaneously run the △ t1 times;
Step b, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, outside note △ ta cups Heat exchanger (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step c, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step d, if meeting the condition in step c, judges Tsh and the first preset temperature T1 and the second preset temperature T2 Relation, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step c, if Tsh>T1, then increase are saved Stream device aperture △ P, and return to step c, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step c, wherein T2 <T1;
Step e, if the condition being unsatisfactory in step c, reduces throttling arrangement aperture △ P, return to step c.
The leading point on the secondary flow road 62 is in the primary flow path entrance of the vaporising device 4 or in the vaporising device 4 Main flow way outlet.
On the secondary flow road of the extraction of primary flow path 61 except being exchanged heat with primary flow path 61 with Jing vaporising devices 4, and then connect To compressor 1, can with temperature in air-conditioning higher than refrigerant temperature after secondary flow road warp knuckle stream device 5 device heat exchange, Jin Erlian It is connected to compressor 1.In the present embodiment, the secondary flow road drawn in primary flow path is exchanged heat with primary flow path 61 by Jing vaporising devices 4, And then it is connected to compressor 1.
Embodiment 2, as shown in figure 3, on the basis of embodiment 1, increasing an indoor heat exchanger 7, respectively the first Room Interior heat exchanger, 71 and second indoor heat exchanger 72, the quantity of the indoor heat exchanger can also be more than two, the indoor heat exchange Device can be all turned on refrigeration, can also partly open refrigeration, and part is standby.
Embodiment 3, as shown in figure 4, a kind of air-conditioning Gas-supplying enthalpy-increasing method, comprises the steps:
Step S1, detects 3 outlet temperature Ta of the outdoor heat exchanger, the second temperature-sensitive dress using the first temperature sensing device 81 82 detection vaporising device, 4 outlet temperature Ts is put, and return-air pipe pressure Pe is detected using pressure responsive device 83;
Step S2, controller 13 calculate vaporising device secondary flow with return-air pipe pressure Pe according to 4 outlet temperature Ts of vaporising device Way outlet degree of superheat Tsh, adjusts section according to 3 outlet temperature Ta of outdoor heat exchanger and vaporising device secondary flow way outlet degree of superheat Tsh The aperture of stream device (5).
As shown in figure 5, controller 13 described in step S2 includes that throttling arrangement control module adjusts the aperture of throttling arrangement 5 Be implemented as:
Step 21, compressor start simultaneously run the △ t1 times;
Step 22, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, remember △ ta cups External heat exchanger (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step 23, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step 24, if meeting the condition in step 23, judges Tsh and the first preset temperature T1 and the second preset temperature The relation of T2, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step 23, if Tsh>T1, then increase Big throttling arrangement aperture △ P, and return to step 23, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step 23, Wherein T2<T1;
Step 25, if the condition being unsatisfactory in step 23, reduces throttling arrangement aperture △ P, return to step 23.
A kind of air-conditioning, including the air-conditioning Gas-supplying enthalpy-increasing system described in above-described embodiment 1 or embodiment 2, other existing portions Divide and repeat no more.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (8)

1. a kind of air-conditioning Gas-supplying enthalpy-increasing system, it is characterised in that including compressor (1), reversal valve (2), outdoor heat exchanger (3) and The refrigerant circulation circuit that indoor heat exchanger (7) is constituted;Primary flow path between the outdoor heat exchanger (3) and indoor heat exchanger (7) On be connected with vaporising device (4), in the primary flow path (61) between the outdoor heat exchanger (3) and indoor heat exchanger (7) draw One secondary flow road (62), the secondary flow road (62) Jing vaporising devices (4) are exchanged heat with primary flow path (61), and then are connected to compression Machine (1), the porch of secondary flow road vaporising device are fixed with throttling arrangement (5), and outdoor heat exchanger (3) exit is fixed There is the first temperature sensing device (81), the second temperature sensing device (82) is fixed with the exit on secondary flow road vaporising device (4), it is described Pressure responsive device (83), first temperature sensing device (81), the second temperature sensing device (82) and pressure-sensitive are fixed with compressor return air pipe Device (83) is connected with controller (13), and the controller (13) is connected with throttling arrangement (5);
First temperature sensing device (81) is for detecting the outdoor heat exchanger (3) outlet temperature Ta, second temperature sensing device (82) for detecting vaporising device (4) outlet temperature Ts, the pressure responsive device (83) is for detecting return-air pipe pressure Pe, the control Device (13) processed is overheated for calculating vaporising device secondary flow way outlet with return-air pipe pressure Pe according to vaporising device (4) outlet temperature Ts Degree Tsh, adjusts throttling arrangement (5) according to outdoor heat exchanger (3) outlet temperature Ta and vaporising device secondary flow way outlet degree of superheat Tsh Aperture;
The controller (13) adjusts being implemented as the aperture of throttling arrangement (5) including throttling arrangement control module:
Step a, compressor start simultaneously run the △ t1 times;
Step b, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, outdoor heat exchange before note △ ta Device (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step c, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step d, if meeting the condition in step c, judges the pass of Tsh and the first preset temperature T1 and the second preset temperature T2 System, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step c, if Tsh>T1, then increase throttling are filled Aperture △ P, and return to step c are put, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step c, wherein T2<T1;
Step e, if the condition being unsatisfactory in step c, reduces throttling arrangement aperture △ P, return to step c.
2. a kind of air-conditioning Gas-supplying enthalpy-increasing system according to claim 1, it is characterised in that the controller (13) calculates evaporation Device secondary flow way outlet degree of superheat Tsh is implemented as:Tabled look-up according to return-air pipe pressure Pe Jing and draw corresponding saturation temperature Tsat, the difference for calculating vaporising device secondary flow way outlet temperature Ts and saturation temperature Tsat obtain evaporating the secondary flow way outlet degree of superheat Tsh。
3. a kind of air-conditioning Gas-supplying enthalpy-increasing system according to claim 1, it is characterised in that the outdoor heat exchanger (3) is Platform or more than one, the indoor heat exchanger (7) is one or more than one;The indoor heat exchanger (7) for multiple stage when, it is indoor Heat exchanger (7) is all turned on heating, or part is opened and heated, and part is standby.
4. a kind of air-conditioning Gas-supplying enthalpy-increasing system according to any one of claim 1-3, it is characterised in that the reversal valve (2) Using cross valve, the throttling arrangement (5) adopts electric expansion valve, and the vaporising device (4) adopts plate type heat exchanger, and described One temperature sensing device (81) adopts temperature sensor, second temperature sensing device (82) to adopt temperature sensor, the pressure responsive device (83) adopt pressure transducer.
5. a kind of air-conditioning Gas-supplying enthalpy-increasing system according to claim 4, it is characterised in that the leading point of the secondary flow road (62) In the primary flow path entrance or the main flow way outlet in the vaporising device (4) of the vaporising device (4).
6. a kind of air-conditioning Gas-supplying enthalpy-increasing system according to claim 5, it is characterised in that in the outdoor heat exchanger (3) and A secondary flow road (62) is drawn in primary flow path between indoor heat exchanger (7), the secondary flow road (62) connects without vaporising device (4) It is connected to compressor (1), but enters higher than the device heat exchange of secondary flow road warp knuckle stream device (5) refrigerant temperature afterwards with temperature in air-conditioning And it is connected to compressor (1).
7. the method that air-conditioning Gas-supplying enthalpy-increasing system any one of a kind of utilization right 1-6 realizes Gas-supplying enthalpy-increasing, its feature exist In comprising the steps:
Step S1, detects outdoor heat exchanger (3) outlet temperature Ta, the second temperature-sensitive dress using the first temperature sensing device (81) (82) detection vaporising device (4) outlet temperature Ts is put, and return-air pipe pressure Pe is detected using pressure responsive device (83);
Step S2, controller (13) calculate vaporising device secondary flow with return-air pipe pressure Pe according to vaporising device (4) outlet temperature Ts Way outlet degree of superheat Tsh, is adjusted according to outdoor heat exchanger (3) outlet temperature Ta and vaporising device secondary flow way outlet degree of superheat Tsh The aperture of throttling arrangement (5);
Controller described in step S2 (13) adjusts implementing for the aperture of throttling arrangement (5) including throttling arrangement control module For:
Step 21, compressor start simultaneously run the △ t1 times;
Step 22, persistently detects outdoor heat exchanger (3) outlet temperature Ta, takes Fixed Time Interval △ ta, changes outside note △ ta cups Hot device (3) outlet temperature is Ta1, and after △ ta, outdoor heat exchanger (3) outlet temperature is Ta2;
Step 23, judges whether to meet following condition, and the 0 DEG C and Ta2 < Ta1 persistent period of Ta1 < reaches △ t2;
Step 24, if meeting the condition in step 23, judges Tsh and the first preset temperature T1 and the second preset temperature T2 Relation, if T1 >=Tsh >=T2, control throttling arrangement aperture is constant, and return to step 23, if Tsh>T1, then increase are saved Stream device aperture △ P, and return to step 23, if Tsh<T2, then reduce throttling arrangement aperture △ P, and return to step 23, wherein T2<T1;
Step 25, if the condition being unsatisfactory in step 23, reduces throttling arrangement aperture △ P, return to step 23.
8. a kind of air-conditioning, it is characterised in that including the air-conditioning Gas-supplying enthalpy-increasing system any one of claim 1-6.
CN201510416282.8A 2015-07-15 2015-07-15 Air supplying and enthalpy increasing method and system for air conditioner and air conditioner Active CN105066526B (en)

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