CN104390384A - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN104390384A CN104390384A CN201410545836.XA CN201410545836A CN104390384A CN 104390384 A CN104390384 A CN 104390384A CN 201410545836 A CN201410545836 A CN 201410545836A CN 104390384 A CN104390384 A CN 104390384A
- Authority
- CN
- China
- Prior art keywords
- compressor
- air
- conditioning system
- liquid refrigerant
- producing medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 239000003507 refrigerant Substances 0.000 claims abstract description 62
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004087 circulation Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0232—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0401—Refrigeration circuit bypassing means for the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides an air conditioning system, which comprises a compression cycle, wherein a compressor is arranged in the compression cycle in series, and the air conditioning system also comprises a liquid refrigerant transfer system which is used for conveying liquid refrigerant in an air inlet pipeline of the compressor to an exhaust pipeline of the compressor. According to the air conditioning system, the liquid refrigerant before the compressor is transferred to the compressor by the liquid refrigerant transfer system, the refrigerant circulation amount is effectively controlled, the effectiveness and the safety of the operation of the air conditioning system are ensured, the operation range of the air conditioning unit is greatly expanded, and the direct transfer of the low-pressure liquid refrigerant to the high pressure is realized after the liquid refrigerant before the compressor is transferred to the compressor in the heating process, so that the aim of quickly improving the heating effect is fulfilled.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning system.
Background technology
General air-conditioning refrigeration system is all made up of refrigeration compressor, high temperature heat source heat exchanger, throttle part and low-temperature heat source radiator, security and the validity of system cloud gray model can be ensured under certain operating conditions, but when service condition exceedes certain limit, because systemic circulation refrigerant amount regulating power is limited, system reliability service cannot be ensured.Particularly for VRF Air Conditioning System, because the refrigerant amount of himself is larger, and indoor operating load variability is larger, just higher to the requirement of system refrigerant internal circulating load.
Summary of the invention
The present invention aims to provide a kind of air-conditioning system that effectively can control circulating mass of refrigerant.
The invention provides a kind of air-conditioning system, comprise compression cycle, be arranged in series compressor in compression cycle, air-conditioning system also comprises the liquid refrigerant transfer system be transported to by the liquid refrigerant in the air inlet pipeline of compressor in the gas exhaust piping of compressor.
Further, liquid refrigerant transfer system comprises the gas-liquid separator be connected on the air inlet pipeline of compressor and the transfer device transferred to by the liquid refrigerant in gas-liquid separator in the gas exhaust piping of compressor.
Further, transfer device comprises cold-producing medium transfer tank, and the liquid refrigerant in gas-liquid separator is imported to the incoming line in cold-producing medium transfer tank, and the pressure at expulsion of compressor is utilized the liquid refrigerant of cold-producing medium transfer tank to be transferred to outgoing line in the gas exhaust piping of compressor.
Further, cold-producing medium transfer tank has inlet, pressure balance mouth, pressurization mouth and leakage fluid dram; Incoming line comprises feed tube and pressure-equalizing pipe, and outgoing line comprises forcing pipe and discharging tube; The gas exhaust piping of compressor has first node and Section Point, and between first node and Section Point, be arranged in series transfer control valve; Inlet is communicated with the liquid outlet of gas-liquid separator by feed tube; Pressure balance mouth is communicated with compressor inleting pipe road by pressure-equalizing pipe; Pressurization mouth is communicated with by the first node of forcing pipe with the gas exhaust piping of compressor; Leakage fluid dram is communicated with by the Section Point of discharging tube with the gas exhaust piping of compressor.
Further, feed tube, pressure-equalizing pipe, forcing pipe and discharging tube have all been arranged in series control valve.
Further, pressurization mouth is positioned at the top of cold-producing medium transfer tank, and leakage fluid dram is positioned at the bottom of cold-producing medium transfer tank.
Further, pressure balance mouth is positioned at the top of cold-producing medium transfer tank.
Further, air-conditioning system also comprises oil eliminator, and oil eliminator is connected on the gas exhaust piping of compressor, and is positioned at the upstream of first node.
According to air-conditioning system of the present invention, after liquid refrigerant transfer system being set the liquid refrigerant before compressor is transferred to compressor, effective control circulating mass of refrigerant, guarantee the validity that air-conditioning system is run and security, greatly extend the range of operation of air-conditioner set, and in heating operations, after the liquid refrigerant before compressor is transferred to compressor, realize low-pressure liquid refrigerant and be transferred directly to high pressure, thus reach the object of fast lifting heating effect.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the principle schematic according to air-conditioning system of the present invention;
Fig. 2 is the principle schematic of air-conditioning system according to the present invention first step in liquid refrigerant transfer process;
Fig. 3 is the principle schematic of air-conditioning system according to the present invention second step in liquid refrigerant transfer process.
Description of reference numerals:
1, compressor; 2, oil eliminator; 3, system high pressure tracheae; 4, cross valve; 5, indoor heat exchanger; 6, throttle part; 7, hydraulic fluid pipe in system; 8, indoor throttle part; 9, outdoor heat exchanger; 10, gas-liquid separator inlet pipe; 11, gas-liquid separator; 12, gas-liquid separator escape pipe; 13, pressure electromagnetic valve is added; 14, draining solenoid valve; 15, cold-producing medium transfer tank; 16, forcing pipe; 17, discharging tube; 18, feed tube; 19, pressure-equalizing pipe; 20, liquid inlet electromagnetic valve; 21, pressure balance magnetic valve; 22, control valve is shifted.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, according to air-conditioning system of the present invention, comprise compression cycle, be arranged in series compressor 1 in compression cycle, air-conditioning system also comprises the liquid refrigerant transfer system be transported to by the liquid refrigerant in the air inlet pipeline of compressor 1 in the gas exhaust piping of compressor 1.The present invention, by after arranging liquid refrigerant transfer system the liquid refrigerant before compressor 1 being transferred to compressor 1, effectively controls circulating mass of refrigerant, guarantees the validity that air-conditioning system is run and security, greatly extend the range of operation of air-conditioner set; And in heating operations, after the liquid refrigerant before compressor is transferred to compressor, realize low-pressure liquid refrigerant and be transferred directly to high pressure, thus reach the object of fast lifting heating effect.
The transfer device that liquid refrigerant transfer system comprises the gas-liquid separator 11 on the air inlet pipeline being connected on compressor 1 and transferred to by the liquid refrigerant in gas-liquid separator 11 in the gas exhaust piping of compressor 1.Liquid refrigerant in the compression cycle of air-conditioning system is separated by gas-liquid separator 11 from gas-liquid two-phase admixture, is then transferred to the gas exhaust piping of compressor 1 by transfer device.
Preferably, transfer device comprises cold-producing medium transfer tank 15, and the liquid refrigerant in gas-liquid separator 11 is imported to the incoming line in cold-producing medium transfer tank 15, and utilize the pressure at expulsion of compressor 1 that the liquid refrigerant of cold-producing medium transfer tank 15 is transferred to the outgoing line in the gas exhaust piping of compressor 1.Cold-producing medium transfer tank 15 is set, liquid refrigerant can be imported on the one hand in cold-producing medium transfer tank 15 and store, the convenient amount controlling refrigerant circulation; On the other hand, an interim transfer is provided after thinking the compressor transferred to before compressor by liquid refrigerant, isolate completely from compression cycle by liquid refrigerant, conveniently utilize the pressure at expulsion of compressor 1 to be imported in the gas exhaust piping of compressor by liquid refrigerant.
Particularly, cold-producing medium transfer tank 15 has inlet, pressure balance mouth, pressurization mouth and leakage fluid dram; Incoming line comprises feed tube 18 and pressure-equalizing pipe 19, and outgoing line comprises forcing pipe 16 and discharging tube 17; The gas exhaust piping of compressor 1 has first node A and Section Point B, and between first node A and Section Point B, be arranged in series transfer control valve 22; Inlet is communicated with the liquid outlet of gas-liquid separator 11 by feed tube 18; Pressure balance mouth is communicated with compressor 1 air inlet pipeline by pressure-equalizing pipe 19; Pressurization mouth is communicated with the first node A of the gas exhaust piping of compressor 1 by forcing pipe 16; Leakage fluid dram is communicated with the Section Point B of the gas exhaust piping of compressor 1 by discharging tube 17.
When air-conditioning system is run, detect when storing a certain amount of liquid refrigerants in gas-liquid separator 11, as shown in thick lines in Fig. 2, open incoming line, namely feed tube 18 and pressure-equalizing pipe 19 is opened, thus liquid refrigerants is imported to cold-producing medium transfer tank 15 from gas-liquid separator 11, then close incoming line.As required, liquid refrigerant can be stored in cold-producing medium transfer tank 15, also liquid refrigerant can be transferred in the gas exhaust piping of compressor 1.When needs shift, as shown in thick lines in Fig. 3, open outgoing line, and close transfer control valve 22, thus make the high pressure gas of compressor 1 enter into cold-producing medium transfer tank 15 by forcing pipe 16, and liquid refrigerant is imported in the gas exhaust piping at Section Point B place through discharging tube 17.
Preferably, feed tube 18, pressure-equalizing pipe 19, forcing pipe 16 and discharging tube 17 have all been arranged in series control valve.Namely feed tube 18 to be connected liquid inlet electromagnetic valve 20, pressure balance magnetic valve 21 that pressure-equalizing pipe 19 is connected, series pressurized magnetic valve 13 on forcing pipe 16, draining solenoid valve 14 that discharging tube 17 is connected.
Preferably, for the ease of liquid refrigerant being imported to completely in the discharge duct of compressor 1, pressurization mouth is positioned at the top of cold-producing medium transfer tank 15, leakage fluid dram is positioned at the bottom of cold-producing medium transfer tank 15, and namely the high pressure gas of compressor 1 compresses the liquid refrigerant being arranged in the bottom of cold-producing medium transfer tank 15 enters into compressor 1 discharge duct from leakage fluid dram.
Pressure balance mouth is positioned at the top of cold-producing medium transfer tank 15, in gas-liquid separator 11, liquid refrigerant enters into the process of cold-producing medium transfer tank 15 by feed tube 18, the gaseous refrigerant at cold-producing medium transfer tank 15 top is needed to derive, thus the pressure reduced in cold-producing medium transfer tank 15, being convenient to liquid refrigerant can successfully enter into cold-producing medium transfer tank 15.
Shown in composition graphs 1, air-conditioning system also comprises oil eliminator 2, oil eliminator 2 is connected on the gas exhaust piping of compressor 1, and be positioned at the upstream of first node A, namely first compressor air-discharging needs the lubricating oil that is separated wherein, and import to compressor inlet by the oil drain out of oil eliminator 2, realize the circulating lubricating to compressor.
Shown in composition graphs 1, air-conditioning system of the present invention also comprises hydraulic fluid pipe 7, indoor throttle part 8, outdoor heat exchanger 9, gas-liquid separator inlet pipe 10 and gas-liquid separator escape pipe 12 in system high pressure tracheae 3, cross valve 4, indoor heat exchanger 5, throttle part 6, system, these parts above-mentioned connect within air-conditioning systems according to schematic diagram shown in Fig. 1, those skilled in the art, according to common practise, also can make corresponding conversion.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to air-conditioning system of the present invention, after liquid refrigerant transfer system being set the liquid refrigerant before compressor is transferred to compressor, effective control circulating mass of refrigerant, guarantee the validity that air-conditioning system is run and security, greatly extend the range of operation of air-conditioner set, and in heating operations, after the liquid refrigerant before compressor is transferred to compressor, realize low-pressure liquid refrigerant and be transferred directly to high pressure, thus reach the object of fast lifting heating effect.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an air-conditioning system, comprise compression cycle, compressor (1) has been arranged in series in described compression cycle, it is characterized in that, described air-conditioning system also comprises the liquid refrigerant transfer system be transported to by the liquid refrigerant in the air inlet pipeline of described compressor (1) in the gas exhaust piping of described compressor (1).
2. air-conditioning system according to claim 1, is characterized in that,
The transfer device that described liquid refrigerant transfer system comprises the gas-liquid separator (11) on the air inlet pipeline being connected on described compressor (1) and transferred to by the liquid refrigerant in described gas-liquid separator (11) in the gas exhaust piping of described compressor (1).
3. air-conditioning system according to claim 2, is characterized in that,
Described transfer device comprises cold-producing medium transfer tank (15), and the liquid refrigerant in described gas-liquid separator (11) is imported to the incoming line in cold-producing medium transfer tank (15), and the pressure at expulsion of described compressor (1) is utilized the liquid refrigerant of described cold-producing medium transfer tank (15) to be transferred to outgoing line in the gas exhaust piping of described compressor (1).
4. air-conditioning system according to claim 3, is characterized in that,
Described cold-producing medium transfer tank (15) has inlet, pressure balance mouth, pressurization mouth and leakage fluid dram;
Described incoming line comprises feed tube (18) and pressure-equalizing pipe (19), and described outgoing line comprises forcing pipe (16) and discharging tube (17);
The gas exhaust piping of described compressor (1) has first node (A) and Section Point (B), and be arranged in series transfer control valve (22) between described first node (A) and described Section Point (B);
Described inlet is communicated with the liquid outlet of described gas-liquid separator (11) by described feed tube (18);
Described pressure balance mouth is communicated with described compressor (1) air inlet pipeline by pressure-equalizing pipe (19);
Described pressurization mouth is communicated with the first node (A) of the gas exhaust piping of described compressor (1) by described forcing pipe (16);
Described leakage fluid dram is communicated with the Section Point (B) of the gas exhaust piping of described compressor (1) by described discharging tube (17).
5. air-conditioning system according to claim 4, is characterized in that,
Described feed tube (18), described pressure-equalizing pipe (19), described forcing pipe (16) and described discharging tube (17) have all been arranged in series control valve.
6. air-conditioning system according to claim 4, is characterized in that,
Described pressurization mouth is positioned at the top of described cold-producing medium transfer tank (15), and described leakage fluid dram is positioned at the bottom of described cold-producing medium transfer tank (15).
7. air-conditioning system according to claim 4, is characterized in that,
Described pressure balance mouth is positioned at the top of described cold-producing medium transfer tank (15).
8. air-conditioning system according to claim 4, is characterized in that,
Described air-conditioning system also comprises oil eliminator (2), and described oil eliminator (2) is connected on the gas exhaust piping of described compressor (1), and is positioned at the upstream of described first node (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545836.XA CN104390384B (en) | 2014-10-15 | 2014-10-15 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545836.XA CN104390384B (en) | 2014-10-15 | 2014-10-15 | Air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390384A true CN104390384A (en) | 2015-03-04 |
| CN104390384B CN104390384B (en) | 2017-03-29 |
Family
ID=52608321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410545836.XA Expired - Fee Related CN104390384B (en) | 2014-10-15 | 2014-10-15 | Air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390384B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731311A (en) * | 2018-07-12 | 2018-11-02 | 珠海凌达压缩机有限公司 | Compressor assembly and air conditioning system thereof |
| CN109780745A (en) * | 2018-12-03 | 2019-05-21 | 珠海格力电器股份有限公司 | air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004219016A (en) * | 2003-01-17 | 2004-08-05 | Yanmar Co Ltd | Air conditioning system |
| CN201053785Y (en) * | 2007-06-11 | 2008-04-30 | 广东美的电器股份有限公司 | Heat pump air conditioner |
| CN101243294A (en) * | 2005-08-15 | 2008-08-13 | 大金工业株式会社 | Refrigerating apparatus |
| US20090229285A1 (en) * | 2008-03-13 | 2009-09-17 | Aisin Seiki Kabushiki Kaisha | Air conditioning system and accumulator thereof |
| CN102132112A (en) * | 2008-05-14 | 2011-07-20 | 开利公司 | Charge management in refrigerant vapor compression systems |
| CN102589217A (en) * | 2011-01-10 | 2012-07-18 | 珠海格力电器股份有限公司 | Refrigerant quantity control device and method and air conditioning unit with control device |
| CN204240632U (en) * | 2014-10-15 | 2015-04-01 | 珠海格力电器股份有限公司 | Air conditioning system |
-
2014
- 2014-10-15 CN CN201410545836.XA patent/CN104390384B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004219016A (en) * | 2003-01-17 | 2004-08-05 | Yanmar Co Ltd | Air conditioning system |
| CN101243294A (en) * | 2005-08-15 | 2008-08-13 | 大金工业株式会社 | Refrigerating apparatus |
| CN201053785Y (en) * | 2007-06-11 | 2008-04-30 | 广东美的电器股份有限公司 | Heat pump air conditioner |
| US20090229285A1 (en) * | 2008-03-13 | 2009-09-17 | Aisin Seiki Kabushiki Kaisha | Air conditioning system and accumulator thereof |
| CN102132112A (en) * | 2008-05-14 | 2011-07-20 | 开利公司 | Charge management in refrigerant vapor compression systems |
| CN102589217A (en) * | 2011-01-10 | 2012-07-18 | 珠海格力电器股份有限公司 | Refrigerant quantity control device and method and air conditioning unit with control device |
| CN204240632U (en) * | 2014-10-15 | 2015-04-01 | 珠海格力电器股份有限公司 | Air conditioning system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731311A (en) * | 2018-07-12 | 2018-11-02 | 珠海凌达压缩机有限公司 | Compressor assembly and air conditioning system thereof |
| CN108731311B (en) * | 2018-07-12 | 2024-05-10 | 珠海凌达压缩机有限公司 | Compressor assembly and air conditioning system thereof |
| CN109780745A (en) * | 2018-12-03 | 2019-05-21 | 珠海格力电器股份有限公司 | air conditioner |
| CN109780745B (en) * | 2018-12-03 | 2024-05-03 | 珠海格力电器股份有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104390384B (en) | 2017-03-29 |
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Granted publication date: 20170329 |