CN203823909U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN203823909U CN203823909U CN201420254447.7U CN201420254447U CN203823909U CN 203823909 U CN203823909 U CN 203823909U CN 201420254447 U CN201420254447 U CN 201420254447U CN 203823909 U CN203823909 U CN 203823909U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 41
- 238000005273 aeration Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 abstract description 29
- 238000007906 compression Methods 0.000 abstract description 29
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000009469 supplementation Effects 0.000 abstract 6
- 239000003507 refrigerant Substances 0.000 description 24
- 238000005057 refrigeration Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioning system. The air conditioning system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, a flash evaporator and an indoor heat exchanger. The first port of the flash evaporator is communicated with the first port of the outdoor heat exchanger, the second port of the flash evaporator is communicated with the air supplementation port of the compressor, an air supplementation valve is arranged between the second port of the flash evaporator and the air supplementation port of the compressor, and the third port of the flash evaporator is communicated with the first port of the indoor heat exchanger. The compressor is provided with the first air suction port and the second air suction port, and the first air suction port and the second air suction port are communicated with the four-way reversing valve. An air suction valve is arranged between the first air suction port and the four-way reversing valve. According to the air conditioning system, the double-cylinder variable capacitance technology and the two-stage compression air supplementation and enthalpy addition technology are adopted, switching of a single-cylinder work mode and a double-cylinder work mode is achieved through switching on and switching off of the air suction valve, and control over the air supplementation amount is achieved through switching on and switching off of the air supplementation valve. In the low-frequency and low-load single-cylinder operation process, the energy efficiency is improved, and in the high-frequency and high-load double-cylinder operation process, the ability is improved.
Description
Technical field
The utility model relates to field of air conditioning, especially, relates to a kind of air-conditioning system.
Background technology
Prior art discloses a kind of double-cylinder variable-capacity compressor air conditioning system, and this system, by the little cylinder opening and closing of switching electric control of three-way diverter valve, realizes twin-tub/single cylinder and switches, thereby changes compressor capacity.But what use during this system convention cooling and warming is single cylinder pattern, while only having high load capacity, just open little cylinder working, maximum can only promote the ability of 20% left and right; And compare and there is no advantage with ordinary compression system when underload.
Prior art also discloses a kind of tonifying Qi and has increased enthalpy double-stage compressor air-conditioning system, this system is by switching electricity and the electronic expansion valve regulation intermediate pressure of tonifying Qi magnetic valve, realize the break-make of tonifying Qi and the control of air compensation, thereby promote heating capacity, especially low-temperature heating capacity.But this system twin-tub when refrigeration underload is still worked, and efficiency is not high.
Utility model content
The utility model object is to provide a kind of air-conditioning system, to solve the technical problem that duplex cylinder compressor operational efficiency is low.
For achieving the above object, the utility model provides a kind of air-conditioning system, comprising: the compressor, four-way change-over valve, outdoor heat exchanger, flash vessel and the indoor heat exchanger that are communicated with successively; The first interface of flash vessel is connected with the first interface of outdoor heat exchanger, and the second interface of flash vessel is connected with the gas supplementing opening of compressor, between the second interface of flash vessel and the gas supplementing opening of compressor, is provided with aeration valve; The 3rd interface of flash vessel is connected with the first interface of indoor heat exchanger; On compressor, be provided with the first air entry and the second air entry, the first air entry and the second air entry are connected with four-way change-over valve; Between the first air entry and four-way change-over valve, be provided with inlet valve.
Further, between the first interface of flash vessel and the first interface of outdoor heat exchanger, be provided with one-level restricting element.
Further, between the 3rd interface of flash vessel and the first interface of indoor heat exchanger, be provided with two-step throttle element.
Further, the first interface of flash vessel and the 3rd interface are interconnected by built-in heat exchanger tube.
Further, the 4th interface of flash vessel is import, and the 4th interface of flash vessel is provided with tonifying Qi restricting element.
Further, air-conditioning system also comprises the first check valve being arranged in parallel with one-level restricting element, and the entrance point of the first check valve is connected with the first interface of outdoor heat exchanger, and the port of export of the first check valve is connected with the first interface of flash vessel.
Further, air-conditioning system also comprises the second check valve being arranged in parallel with two-step throttle element, and the import of the second check valve is connected with the first interface of indoor heat exchanger, and the outlet of the second check valve is connected with the second interface of flash vessel.
Further, be provided with the 3rd check valve between the first interface of outdoor heat exchanger and tonifying Qi restricting element, the 3rd import of check valve and the first interface of outdoor heat exchanger are connected, and the outlet of the 3rd check valve is connected with tonifying Qi restricting element.
Further, be provided with the 4th check valve between the first interface of indoor heat exchanger and tonifying Qi restricting element, the 4th import of check valve and the first interface of indoor heat exchanger are connected, and the outlet of the 4th check valve is connected with tonifying Qi restricting element.
Further, the first air entry and the second air entry and four-way change-over valve are provided with reservoir.
The utlity model has following beneficial effect:
During air-conditioning underrun, single cylinder low-frequency operation, stable maintenance room temperature, economical and energy saving; When air-conditioning conventional operation and heavy-duty service, the tonifying Qi of twin-tub Two-stage Compression increases enthalpy, promotes refrigerated medium heat, makes room arrive rapidly design temperature; When air-conditioning defrost and special operation condition, twin-tub Two-stage Compression, does not open tonifying Qi, accelerates defrost, and compressor operating is more reliable; The utility model adopts the tonifying Qi of twin-tub transfiguration technology+Two-stage Compression to increase enthalpy technology, realizes the switching of list/twin-tub mode of operation by the break-make of inlet valve, realizes the control of air compensation by the break-make of aeration valve.When low frequency underload, single cylinder operation, efficiency promotes; During high frequency heavy-duty service, twin-tub operation, capability improving.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the first embodiment of air-conditioning system of the present utility model;
Fig. 2 presses enthalpy schematic diagram according to the corresponding twin-tub Two-stage Compression of the first embodiment of air-conditioning system of the present utility model;
Fig. 3 presses enthalpy schematic diagram according to the corresponding single cylinder single stage compress of the first embodiment of air-conditioning system of the present utility model;
Fig. 4 is according to the schematic diagram of the second embodiment of air-conditioning system of the present utility model;
Fig. 5 is according to the schematic diagram of the 3rd embodiment of air-conditioning system of the present utility model; And
Fig. 6 is according to the second embodiment of air-conditioning system of the present utility model and pressure enthalpy schematic diagram corresponding to the 3rd embodiment.
Reference numeral in accompanying drawing is as follows: 110, compressor; 120, four-way change-over valve; 130, outdoor heat exchanger; 140, one-level restricting element; 150, flash vessel; 160, two-step throttle element; 170, indoor heat exchanger; 180, aeration valve; 190, tonifying Qi restricting element; 111, reservoir; 112, gas supplementing opening; 113, inlet valve; 114, the first air entry; 115, the second air entry; 141, the first check valve; 161, the second check valve; 191, the 3rd check valve; 192, the 4th check valve.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1 to Fig. 6, according to air-conditioning system of the present utility model, it is characterized in that, comprising: the compressor 110, four-way change-over valve 120, outdoor heat exchanger 130, flash vessel 150 and the indoor heat exchanger 170 that are communicated with successively; The first interface of flash vessel 150 is connected with the first interface of outdoor heat exchanger 130, the second interface of flash vessel 150 is connected with the gas supplementing opening 112 of compressor 110, between the second interface of flash vessel 150 and the gas supplementing opening 112 of compressor 110, is provided with aeration valve 180; The 3rd interface of flash vessel 150 is connected with the first interface of indoor heat exchanger 170; On compressor 110, being provided with the first air entry 114 and the second air entry 115, the first air entries 114 and the second air entry 115 is connected with four-way change-over valve 120; Between the first air entry 114 and four-way change-over valve 120, be provided with inlet valve 113.The first air entry 114 and the second air entry 115 are provided with reservoir 111 with four-way change-over valve 120.During air-conditioning underrun, single cylinder low-frequency operation, stable maintenance room temperature, economical and energy saving; When air-conditioning conventional operation and heavy-duty service, the tonifying Qi of twin-tub Two-stage Compression increases enthalpy, promotes refrigerated medium heat, makes room arrive rapidly design temperature; When air-conditioning defrost and special operation condition, twin-tub Two-stage Compression, does not open tonifying Qi, accelerates defrost, and compressor operating is more reliable; The utility model adopts the tonifying Qi of twin-tub transfiguration technology+Two-stage Compression to increase enthalpy technology, realizes the switching of list/twin-tub mode of operation by the break-make of inlet valve, realizes the control of air compensation by the break-make of aeration valve.When low frequency underload, single cylinder operation, efficiency promotes; During high frequency heavy-duty service, twin-tub operation, capability improving.
Referring to Fig. 4 and Fig. 5, between the first interface of flash vessel 150 and the first interface of outdoor heat exchanger 130, be provided with one-level restricting element 140.Between the 3rd interface of flash vessel 150 and the first interface of indoor heat exchanger 170, be provided with two-step throttle element 160.The first interface of flash vessel 150 and the 3rd interface are interconnected by built-in heat exchanger tube.The 4th interface of flash vessel 150 is import, and the 4th interface of flash vessel 150 is provided with tonifying Qi restricting element 190.
Air-conditioning system also comprises that the entrance point of the first check valve 141, the first check valves 141 that are arranged in parallel with one-level restricting element 140 is connected with the first interface of outdoor heat exchanger 130, and the port of export of the first check valve 141 is connected with the first interface of flash vessel 150.Air-conditioning system also comprises that the import of the second check valve 161, the second check valves 161 that are arranged in parallel with two-step throttle element 160 is connected with the first interface of indoor heat exchanger 170, and the outlet of the second check valve 161 is connected with the second interface of flash vessel 150.The import that is provided with the 3rd check valve 191, the three check valves 191 between the first interface of outdoor heat exchanger 130 and tonifying Qi restricting element 190 is connected with the first interface of outdoor heat exchanger 130, and the outlet of the 3rd check valve 191 is connected with tonifying Qi restricting element 190.The import that is provided with the 4th check valve 192, the four check valves 192 between the first interface of indoor heat exchanger 170 and tonifying Qi restricting element 190 is connected with the first interface of indoor heat exchanger 170, and the outlet of the 4th check valve 192 is connected with tonifying Qi restricting element 190.
The utility model provides several transfiguration two-stage enthalpy increasing compressibilities, and this system has a kind of compressor 110 with inlet valve 113, and this compressor has upper and lower two cylinders.Inlet valve 113 is including but not limited to forms such as magnetic valve, motor-driven valve, electric expansion valves, and position is including but not limited between reservoir and compressor casing, between inner, the cylinder of compressor casing or be positioned over separately compressor outside.Compressor 110 is including but not limited to rotor-type compressor, piston compressor, scroll compressor, helical-lobe compressor and centrifugal compressor.This compressor lower cylinder has a kind of slide plate that can control position, is connected with pin, by the break-make of inlet valve 113, realizes and compressing and bypass two states.Slide plate controlling organization is including but not limited to mechanisms such as pin, connecting rod, electromagnetism adhesive, pressure reduction promotions.When inlet valve 113 is opening, cold-producing medium can enter compressor upper cylinder from the first air entry 114 and compress, and lower cylinder slide plate departs from simultaneously, and lower cylinder, in off position, is realized single cylinder single stage compress.When inlet valve 113 cuts out, cold-producing medium can only enter compressor from the second air entry 115, and lower cylinder slide plate is in operating position simultaneously, and lower cylinder is normally worked, and cold-producing medium enters upper cylinder after being compressed by lower cylinder and again compresses rear discharge, realizes twin-tub Two-stage Compression.Upper and lower air cylinders job order including but not limited to getting on, get off, first up and then down.This compressor switches list/twin-tub mode of operation by the break-make of inlet valve 113, realizes volume-variable.Use the system of this compressor to there is following several embodiment, including but not limited to following told embodiment.
According to the first embodiment of the present utility model: the system schematic that Fig. 1 is present embodiment, the twin-tub Two-stage Compression pressure-enthalpy chart that Fig. 2 is present embodiment, the single cylinder single stage compress pressure-enthalpy chart that Fig. 3 is present embodiment.The present embodiment system is mainly comprised of compressor 110, four-way change-over valve 120, outdoor heat exchanger 130, one-level restricting element 140, flash vessel 150, two-step throttle element 160, indoor heat exchanger 170, aeration valve 180 etc.One-level restricting element 140 and two-step throttle element 160 are including but not limited to capillary, electric expansion valve, heating power expansion valve etc.
The major cycle of present embodiment refrigeration is: the HTHP gaseous coolant b that 110 compressions are discharged through the compressor four-way change-over valve 120 of flowing through enters outdoor heat exchanger 130 and is condensed into high pressure low temperature liquid refrigerants c, and through one-level restricting element, 140 throttlings are forced down warm two phase refrigerant d to enter flash vessel 150 shwoots be saturated gaseous coolant g and saturated liquid refrigerants e in becoming.Saturated gaseous coolant g enters gas supplementing opening 112 through aeration valve 180 and carries out tonifying Qi increasing enthalpy, saturated liquid refrigerants e becomes low-pressure low-temperature refrigerant f and enters indoor heat exchanger and be evaporated to low-pressure low-temperature gaseous coolant a after 160 throttlings of two-step throttle element, after four-way change-over valve 120, enter reservoir 111 and sucked compression by compressor, completion system circulation.Heat 120 commutations of circulation four-way change-over valve, the same kind of refrigeration cycle of all kinds of valve openings and closed condition.
The present embodiment can be divided into again 3 kinds of mode of operations:
(take and freeze as example, heat valve opening and closed condition with refrigeration)
1, the tonifying Qi of twin-tub twin-stage increases enthalpy pattern: compressor air suction valve 113 cuts out, and aeration valve 180 is opened.Refrigerant enters the second air entry 115 by reservoir 111, and the gaseous coolant g that the refrigerant b ' after the compression of compressor lower cylinder and flash vessel 150 shwoots go out is sucked and carries out second level compression by upper cylinder after being mixed into a ', and as mentioned above, pressure-enthalpy chart is as Fig. 2 for refrigerant circulation.
2, single cylinder single stage compress pattern: compressor air suction valve 113 is opened, aeration valve 180 is closed.The refrigerant of flash vessel 150 shwoots does not enter gas supplementing opening 112 and carries out tonifying Qi, and refrigerant a enters the first air entry 114 by reservoir 111 by compressor air suction valve 113, after upper cylinder compression, is discharged compressor.After inlet valve 113 is opened, lower cylinder device for controlling sliding vane pulls out cylinder slide plate, and compression work is not carried out in lower cylinder idle running, realizes single cylinder single stage compress, and pressure-enthalpy chart is as Fig. 3.
3, twin-tub twin-stage is not opened tonifying Qi increasing enthalpy pattern: compressor air suction valve 113 cuts out, and aeration valve 180 is closed.Refrigerant a directly enters upper cylinder after the second air entry 115 enters lower cylinder compression to carry out discharging after the compression of the second level.
According to the second embodiment of the present utility model: Figure 4 shows that the system schematic of the present embodiment, the pressure-enthalpy chart that Fig. 6 is the present embodiment.
As Fig. 4, the present embodiment is mainly comprised of compressor 110, four-way change-over valve 120, outdoor heat exchanger 130, one-level restricting element 140, flash vessel 150, two-step throttle element 160, indoor heat exchanger 170, tonifying Qi restricting element 190 and the first check valve 141,161,191,192 etc.One-level restricting element 140 and two-step throttle element 160 are including but not limited to capillary, electric expansion valve, heating power expansion valve etc.Tonifying Qi restricting element 190 is including but not limited to capillary, capillary+magnetic valve, electric expansion valve, heating power expansion valve etc., preferred electron expansion valve.
The major cycle of the present embodiment refrigeration is: the HTHP refrigerant b that 110 compressions are discharged through compressor enters through four-way change-over valve 120 the refrigerant c that outdoor heat exchanger 130 is condensed into high pressure low temperature, from the first check valve 141, entering heat exchanger tube in flash vessel 150 carries out secondary and is cooled to e, through two-step throttle element, to be that f is laggard enter indoor heat exchanger 170 and be evaporated to a in 160 throttlings, again enter four-way change-over valve 120 and got back to compressor, completed refrigeration major cycle.From outdoor heat exchanger 130 outlets, draw 1 road refrigerant and by the 3rd check valve 191, after 190 throttlings of tonifying Qi restricting element, enter flash vessel 150 evaporations, the heat of major cycle refrigerant in absorption heat-exchange pipe, then enter compressor through gas supplementing opening 112, complete tonifying Qi and increase enthalpy circulation.
Heat 120 commutations of major cycle four-way change-over valve, all kinds of valve states are with refrigeration.Compressor air-discharging enters the condensed refrigerant of indoor heat exchanger 170 through four-way change-over valve 120 and by the second check valve 161, enters flash vessel 150 enters outdoor heat exchanger 130 evaporation by 140 throttlings of one-level restricting element after and get back to compressor.Tonifying Qi increases enthalpy branch road refrigerant and to entering 190 throttlings of tonifying Qi restricting element, is got back to gas supplementing opening 112 after flash vessel 150 shwoots and complete and heat tonifying Qi and increase enthalpy and circulate by the 4th check valve 192 from indoor heat exchanger 170.
The present embodiment the first check valve 141, the second check valve 161, the 3rd check valve 191, the 4th check valve 192 have on-off action or control the element that refrigerant flows to including but not limited to individual event valve, magnetic valve, motor-driven valve etc., and the 3rd check valve 191, the 4th check valve 192 positions are including but not limited to being placed on the first check valve 141, the second check valve 161 above or below.
The present embodiment also can be divided into 3 kinds of patterns:
(take and freeze as example, heat valve opening and closed condition with refrigeration)
1, the tonifying Qi of twin-tub twin-stage increases enthalpy pattern: compressor air suction valve 113 cuts out, and tonifying Qi restricting element 190 is opened.Refrigerant enters the second air entry 115 by reservoir 111, and the gaseous coolant g that the refrigerant b ' after the compression of compressor lower cylinder and flash vessel 150 shwoots go out is sucked and carries out second level compression by upper cylinder after being mixed into a ', and as mentioned above, pressure-enthalpy chart is as Fig. 6 for refrigerant circulation.
2, single cylinder single stage compress pattern: compressor air suction valve 113 is opened, tonifying Qi restricting element 190 is closed.The refrigerant of flash vessel 150 shwoots does not enter gas supplementing opening 112 and carries out tonifying Qi, and refrigerant a enters the first air entry 114 by reservoir 111 by compressor air suction valve 113, after upper cylinder compression, is discharged compressor.After inlet valve 113 is opened, lower cylinder device for controlling sliding vane pulls out cylinder slide plate, and compression work is not carried out in lower cylinder idle running, realizes single cylinder single stage compress, and pressure-enthalpy chart is as Fig. 3.
3, twin-tub twin-stage is not opened tonifying Qi increasing enthalpy pattern: compressor air suction valve 113 cuts out, and tonifying Qi restricting element 190 is closed.Refrigerant a directly enters upper cylinder after the second air entry 115 enters lower cylinder compression to carry out discharging after the compression of the second level.
Embodiment three:
The present embodiment is the simplified way of embodiment bis-, cancels the first check valve 141, the second check valve 161, the 3rd check valve 191, the 4th check valve 192 and the one-level restricting element 140 of embodiment bis-.The present embodiment can only be unidirectional tonifying Qi increase enthalpy, the tonifying Qi or heat tonifying Qi of can only freezing, can not cooling and warming tonifying Qi simultaneously.Heat only indoor heat exchanger 170 and outdoor heat exchanger 130 exchanges in system schematic of tonifying Qi mode.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
During air-conditioning underrun, single cylinder low-frequency operation, stable maintenance room temperature, economical and energy saving; When air-conditioning conventional operation and heavy-duty service, the tonifying Qi of twin-tub Two-stage Compression increases enthalpy, promotes refrigerated medium heat, makes room arrive rapidly design temperature; When air-conditioning defrost and special operation condition, twin-tub Two-stage Compression, does not open tonifying Qi, accelerates defrost, and compressor operating is more reliable; The utility model adopts the tonifying Qi of twin-tub transfiguration technology+Two-stage Compression to increase enthalpy technology, realizes the switching of list/twin-tub mode of operation by the break-make of inlet valve, the control that break-make and the electronic expansion valve regulation by aeration valve realizes air compensation.When low frequency underload, single cylinder operation, efficiency promotes; During high frequency heavy-duty service, twin-tub operation, capability improving.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air-conditioning system, is characterized in that, comprising: the compressor (110), four-way change-over valve (120), outdoor heat exchanger (130), flash vessel (150) and the indoor heat exchanger (170) that are communicated with successively;
The first interface of described flash vessel (150) is connected with the first interface of described outdoor heat exchanger (130), the second interface of described flash vessel (150) is connected with the gas supplementing opening (112) of described compressor (110), between the second interface of described flash vessel (150) and the gas supplementing opening (112) of described compressor (110), is provided with aeration valve (180); The 3rd interface of described flash vessel (150) is connected with the first interface of described indoor heat exchanger (170);
On described compressor (110), be provided with the first air entry (114) and the second air entry (115), described the first air entry (114) and described the second air entry (115) are connected with described four-way change-over valve (120);
Between described the first air entry (114) and described four-way change-over valve (120), be provided with inlet valve (113).
2. air-conditioning system according to claim 1, is characterized in that, between the first interface of described flash vessel (150) and the first interface of described outdoor heat exchanger (130), is provided with one-level restricting element (140).
3. air-conditioning system according to claim 1, is characterized in that, between the 3rd interface of described flash vessel (150) and the first interface of described indoor heat exchanger (170), is provided with two-step throttle element (160).
4. air-conditioning system according to claim 1, is characterized in that, the first interface of described flash vessel (150) and the 3rd interface are interconnected by built-in heat exchanger tube.
5. according to the air-conditioning system described in any one in claim 1 to 4, it is characterized in that, the 4th interface of described flash vessel (150) is import, and the 4th interface of described flash vessel (150) is provided with tonifying Qi restricting element (190).
6. air-conditioning system according to claim 2, it is characterized in that, also comprise the first check valve (141) being arranged in parallel with described one-level restricting element (140), the entrance point of described the first check valve (141) is connected with the first interface of described outdoor heat exchanger (130), and the port of export of described the first check valve (141) is connected with the first interface of described flash vessel (150).
7. air-conditioning system according to claim 3, it is characterized in that, also comprise the second check valve (161) being arranged in parallel with described two-step throttle element (160), the import of described the second check valve (161) is connected with the first interface of described indoor heat exchanger (170), and the outlet of described the second check valve (161) is connected with the second interface of described flash vessel (150).
8. air-conditioning system according to claim 5, it is characterized in that, between the first interface of described outdoor heat exchanger (130) and described tonifying Qi restricting element (190), be provided with the 3rd check valve (191), the import of described the 3rd check valve (191) is connected with the first interface of described outdoor heat exchanger (130), and the outlet of described the 3rd check valve (191) is connected with described tonifying Qi restricting element (190).
9. air-conditioning system according to claim 8, it is characterized in that, between the first interface of described indoor heat exchanger (170) and described tonifying Qi restricting element (190), be provided with the 4th check valve (192), the import of described the 4th check valve (192) is connected with the first interface of described indoor heat exchanger (170), and the outlet of described the 4th check valve (192) is connected with described tonifying Qi restricting element (190).
10. air-conditioning system according to claim 1, is characterized in that, described the first air entry (114) and described the second air entry (115) are provided with reservoir (111) with described four-way change-over valve (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254447.7U CN203823909U (en) | 2014-05-16 | 2014-05-16 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254447.7U CN203823909U (en) | 2014-05-16 | 2014-05-16 | Air conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN203823909U true CN203823909U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420254447.7U Expired - Lifetime CN203823909U (en) | 2014-05-16 | 2014-05-16 | Air conditioning system |
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| CN (1) | CN203823909U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968460A (en) * | 2014-05-16 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN104567099A (en) * | 2014-12-22 | 2015-04-29 | 广东美的制冷设备有限公司 | Air conditioner |
| CN105928138A (en) * | 2016-04-25 | 2016-09-07 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| WO2017185514A1 (en) * | 2016-04-29 | 2017-11-02 | 广东美的制冷设备有限公司 | Cooling and heating air conditioner, cooling-only air conditioner, and control method for air conditioner |
| CN109186042A (en) * | 2018-09-20 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-conditioner defrosting method |
-
2014
- 2014-05-16 CN CN201420254447.7U patent/CN203823909U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968460A (en) * | 2014-05-16 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioning system |
| WO2015172612A1 (en) * | 2014-05-16 | 2015-11-19 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN104567099A (en) * | 2014-12-22 | 2015-04-29 | 广东美的制冷设备有限公司 | Air conditioner |
| CN105928138A (en) * | 2016-04-25 | 2016-09-07 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN105928138B (en) * | 2016-04-25 | 2021-05-25 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| WO2017185514A1 (en) * | 2016-04-29 | 2017-11-02 | 广东美的制冷设备有限公司 | Cooling and heating air conditioner, cooling-only air conditioner, and control method for air conditioner |
| CN109186042A (en) * | 2018-09-20 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-conditioner defrosting method |
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