CN204006853U - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
- Publication number
- CN204006853U CN204006853U CN201420412526.6U CN201420412526U CN204006853U CN 204006853 U CN204006853 U CN 204006853U CN 201420412526 U CN201420412526 U CN 201420412526U CN 204006853 U CN204006853 U CN 204006853U
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- China
- Prior art keywords
- electric expansion
- heat exchanger
- expansion valve
- valve
- port
- 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.)
- Expired - Lifetime
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 36
- 239000003507 refrigerant Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 10
- 239000010726 refrigerant oil Substances 0.000 description 4
- 230000004087 circulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010688 mineral lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a kind of air-conditioning system, comprising: cross valve, compressor, outdoor heat exchanger, indoor heat exchanger, capillary, electric expansion valve, valve body, attemperating unit and controller; Electric expansion valve is connected with capillary and indoor heat exchanger respectively; Valve body is with electromagnetic expanding valve phase and connect; Attemperating unit is connected with electric expansion valve; Controller is connected with electric expansion valve, valve body and attemperating unit.The air-conditioning system that the utility model provides, finish after cross valve commutation when start initial stage or defrost pattern at heating mode, controller control electric expansion valve is closed, valve body is opened, after time rating, controller control electric expansion valve is opened to maximum, closed electromagnetic valve, attemperating unit detects the temperature of the second port refrigerant of indoor heat exchanger, in the time that the temperature of refrigerant is greater than rated temperature, attemperating unit is adjusted to electric expansion valve to heat normally aperture, thereby stops the situation generation that the lubricating oil in refrigerant stops up electric expansion valve.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of air-conditioning system.
Background technology
At present, the lubricating oil in cooler compressor is extremely important to the normal operation of system, and lubricating oil plays a part lubricated, the sealing and cooling to cylinder and rotor, is particularly even more important for refrigerants such as R290; In the time that compressor runs well, lubricating oil sucks cylinder by bent axle from compressor bottom, after overcompression, follow the refrigerant of HTHP to enter system, along with refrigerant circulation is got back to compressor bottom again, the heat that compressor electric motor and cylinder produce simultaneously also can be taken away by refrigerant and lubricating oil afterwards; If exist certain reason to cause oil return return-air not smooth, will cause the problem such as compressor lubrication shortage of oil, motor idle running heating, further will cause between compresser cylinder and rotor that wearing and tearing strengthen, internal temperature is too high, finally cause burn-down of electric motor, system crash; So in system, must ensure that lubricating oil can return to compressor normally and motor heat is discharged timely.
But common mineral lubricating oil at low temperatures viscosity can sharply increase, particularly, in changes in temperature frequency changer, in the time that defrost finishes cross valve commutation, ultralow temperature refrigerant and lubricating oil in heat exchanger need to enter heat exchanger by electric expansion valve; But for R290 refrigerant, because the consideration of security, the charging amount of R290 refrigerant is less, and system pressure is also less, therefore also easily cause lubricating oil that ratio of viscosities is larger to stop up the electric expansion valve of normal aperture, cause R290 refrigerant cannot participate in circulation, compressor idle running, the ability of compressor and power decline, system oil starvation lacks fluorine, compressor electric motor excessive heating after long time running, had both affected user's use impression, also greatly reduced the service life of compressor and system; And electric expansion valve is the requisite throttle part of high-energy-efficiency variable-frequency air-conditioning; Well-known electric expansion valve is some throttling, and current R290 system is at low temperatures than the electric expansion valve that is easier to stop up normal aperture, and capillary is line throttling, there will not be stopping state.
Utility model content
In order one of to solve the problems of the technologies described above at least, the purpose of this utility model is to provide a kind of can avoid the stifled air-conditioning system of electronic expansion valve oil effectively.
In view of this, the utility model provides a kind of air-conditioning system, comprising: cross valve; Compressor, described compressor has gas returning port and exhaust outlet, and for compression refrigerant, described exhaust outlet is connected with the first interface of described cross valve, and described gas returning port is connected with the 3rd interface of described cross valve; Outdoor heat exchanger, the first port of described outdoor heat exchanger is connected with the second interface of described cross valve; Indoor heat exchanger, the first port of described indoor heat exchanger is connected with the 4th interface of described cross valve; Capillary, described the first port capillaceous is connected with the second port of described outdoor heat exchanger; Electric expansion valve, the first port of described electric expansion valve is connected with described the second port capillaceous, and the second port is connected with the second port of described indoor heat exchanger; Valve body, the first port of described valve body is connected with the pipeline between described capillary and described electric expansion valve, and the second port is connected with the pipeline between described electric expansion valve and described indoor heat exchanger; Attemperating unit, described attemperating unit is arranged on the second port of described indoor heat exchanger, and be connected with described electric expansion valve, described attemperating unit is for detection of the temperature of the second port refrigerant of indoor heat exchanger, and according to the opening degree of electric expansion valve described in the temperature control of refrigerant; And controller, described controller is connected with described electric expansion valve, described valve body and described attemperating unit, for control the unlatching of the opening degree of described electric expansion valve, described valve body or close and described attemperating unit open or close.
The utility model provides air-conditioning system, between indoor heat exchanger and outdoor heat exchanger, be serially connected with electric expansion valve and capillary, simultaneously on electric expansion valve side and connect a valve body, finish after cross valve commutation when start initial stage or defrost pattern at heating mode, controller control electric expansion valve is closed, valve body is opened, by capillary, refrigerant is carried out to throttling, air-conditioning system was moved after time rating, controller control electric expansion valve is opened to maximum, closed electromagnetic valve, attemperating unit detects the temperature of the second port refrigerant of indoor heat exchanger, in the time that the temperature of refrigerant is greater than rated temperature, attemperating unit is adjusted to electric expansion valve to heat normally aperture, thereby stop the situation generation that the lubricating oil in refrigerant stops up electric expansion valve, particularly, finish after cross valve commutation when start initial stage or defrost pattern at heating mode, low temperature refrigerant and lubricating oil in indoor heat exchanger need to enter outdoor heat exchanger by electric expansion valve, now lubricating oil viscosity is larger, easily stop up the electric expansion valve of normal aperture, and the utility model air-conditioning system, finishing after cross valve commutation when start initial stage or defrost pattern at heating mode, electric expansion valve is closed, valve body is opened, by capillary, refrigerant is carried out to throttling, air-conditioning system was moved after time rating, controller control electric expansion valve is opened to maximum, closed electromagnetic valve, when indoor heat exchanger temperature raises, and indoor and outdoor pressure reduction changes normal electric expansion valve throttling into after setting up, thereby stop the situation generation that the lubricating oil in refrigerant stops up electric expansion valve, both having improved user experiences, extend again the service life of compressor and air-conditioning system.
In addition, the air-conditioning system in above-described embodiment that the utility model provides can also have following additional technical feature:
According to an embodiment of the present utility model, described attemperating unit comprises: the first temperature sensor, and described the first temperature sensor is arranged on the second port of described indoor heat exchanger, for detection of the temperature of refrigerant; And control device, described control device is connected with described the first temperature sensor, and according to the opening degree of electric expansion valve described in the temperature control of refrigerant.
According to an embodiment of the present utility model, described attemperating unit also comprises: the second temperature sensor, described the second temperature sensor is connected with described control device, for detection of indoor environment temperature, described control device is according to the opening degree of electric expansion valve described in the temperature of refrigerant and indoor environment temperature control.
According to an embodiment of the present utility model, air-conditioning system also comprises: oil eliminator, described oil eliminator is arranged on the pipeline between described exhaust outlet and the described cross valve of described compressor.
According to an embodiment of the present utility model, gas-liquid separator, described gas-liquid separator is arranged on the pipeline between described gas returning port and the described cross valve of described compressor.
According to an embodiment of the present utility model, described outdoor heat exchanger is finned heat exchanger.
According to an embodiment of the present utility model, described indoor heat exchanger is finned heat exchanger.
According to an embodiment of the present utility model, described valve body is magnetic valve.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the structural representation of air-conditioning system described in the utility model;
Fig. 2 is the structured flowchart of attemperating unit in air-conditioning system described in the utility model.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
1 cross valve, 2 compressors, 3 outdoor heat exchangers, 4 indoor heat exchangers, 5 capillaries, 6 valve bodies, 7 attemperating units, 701 first temperature sensors, 702 control device, 703 second temperature sensors, 8 controllers, 9 oil eliminators, 10 gas-liquid separators, 11 electric expansion valves.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
Describe according to air-conditioning system described in some embodiment of the utility model below with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, the air-conditioning system that the utility model provides comprises: cross valve 1, compressor 2, outdoor heat exchanger 3, indoor heat exchanger 4, capillary 5, electric expansion valve 11, valve body 6, attemperating unit 7 and controller 8.
Particularly, compressor 2 has gas returning port and exhaust outlet, and for compression refrigerant, exhaust outlet is connected with the first interface of cross valve 1, and gas returning port is connected with the 3rd interface of cross valve 1; The first port of outdoor heat exchanger 3 is connected with the second interface of cross valve 1; The first port of indoor heat exchanger 4 is connected with the 4th interface of cross valve 1; The first port of capillary 5 is connected with the second port of outdoor heat exchanger 3; The first port of electric expansion valve 11 is connected with the second port of capillary 5, and the second port is connected with the second port of indoor heat exchanger 4; The first port of valve body 6 is connected with the pipeline between capillary 5 and electric expansion valve 11, and the second port is connected with the pipeline between electric expansion valve 11 and indoor heat exchanger 4; Attemperating unit 7 is arranged on the second port of indoor heat exchanger 4, and is connected with electric expansion valve 11, and attemperating unit 7 is for detection of the temperature of the second port refrigerant of indoor heat exchanger 4, and according to the opening degree of the temperature control electric expansion valve 11 of refrigerant; Controller 8 is connected with electric expansion valve 11, valve body 6 and attemperating unit 7, for control electric expansion valve 11 opening degree, valve body 6 unlatching or close with attemperating unit 7 and open or close.
The utility model provides air-conditioning system, between indoor heat exchanger 4 and outdoor heat exchanger 3, be serially connected with electric expansion valve 11 and capillary 5, simultaneously on electric expansion valve 11 sides and connect a valve body 6, finish after cross valve 1 commutation when start initial stage or defrost pattern at heating mode, controller 8 controls electric expansion valve 11 and cuts out, valve body 6 is opened, by capillary 5, refrigerant is carried out to throttling, air-conditioning system was moved after time rating, controller 8 is controlled electric expansion valve 11 and is opened to maximum, closed electromagnetic valve, attemperating unit 7 detects the temperature of the second port refrigerant of indoor heat exchanger 4, in the time that the temperature of refrigerant is greater than rated temperature, attemperating unit 7 is adjusted to electric expansion valve 11 to heat normally aperture, thereby stop the situation generation that the lubricating oil in refrigerant stops up electric expansion valve 11.
In an embodiment of the present utility model, as depicted in figs. 1 and 2, attemperating unit 7 comprises: the first temperature sensor 701 and control device 702.
Particularly, the first temperature sensor 701 is arranged on the second port of indoor heat exchanger 4, for detection of the temperature of refrigerant; Control device 702 is connected with the first temperature sensor 701, and according to the opening degree of the temperature control electric expansion valve 11 of refrigerant.
In this embodiment, the first temperature sensor 701 detects the temperature of the second port refrigerant of indoor heat exchanger 4, and obtains temperature value, and control device 702 receives this temperature value, in the time that temperature value arrives rated temperature value, control device 702 is adjusted to electric expansion valve 11 to heat normally aperture.
In an embodiment of the present utility model, as shown in Figure 2, attemperating unit 7 also comprises: the second temperature sensor 703, the second temperature sensor 703 is connected with control device 702, for detection of indoor environment temperature, control device 702 is according to the opening degree of the temperature of refrigerant and indoor environment temperature control electric expansion valve 11.
In this embodiment, refrigerant temperature T2 and indoor environment temperature T1 contrast are obtained △ T by control device 702, be that refrigerant temperature T2 is than the high △ T of indoor environment temperature T1, in the time that △ T is greater than rated temperature, control device 702 is adjusted to electric expansion valve 11 to heat normally aperture, thereby stops the situation generation that the lubricating oil in refrigerant stops up electric expansion valve 11.
In an embodiment of the present utility model, air-conditioning system also comprises: oil eliminator 9, oil eliminator 9 is arranged on the pipeline between exhaust outlet and the cross valve 1 of compressor 2.
In this embodiment, oil eliminator 9 the separative efficiency that has improved refrigerant and lubricating oil is set, thereby reduced lubricating oil and entered the amount of systemic circulation, avoid the scarce oil condition of compressor 2 to occur.
In an embodiment of the present utility model, gas-liquid separator 10, gas-liquid separator 10 is arranged on the pipeline between gas returning port and the cross valve 1 of compressor 2.
In this embodiment, the setting of gas-liquid separator 10 has prevented from not having the liquid refrigerants of gasification to enter the situation appearance that causes compressor 2 liquid hammers in compressor 2 effectively.
At one particularly in embodiment of the present utility model, outdoor heat exchanger 3 is fin type heat exchange, and/or indoor heat exchanger 4 is finned heat exchanger.
In this embodiment, the advantages such as that finned heat exchanger has is energy-efficient, compact conformation, easily cleaning, easy accessibility, long service life, strong adaptability, outdoor heat exchanger 3 and/or indoor heat exchanger 4 are finned heat exchanger, have effectively ensured the heat transfer effect of outdoor heat exchanger 3 and/or indoor heat exchanger 4.
In an embodiment of the present utility model, valve body 6 is magnetic valve.
In sum, the utility model provides air-conditioning system, between indoor heat exchanger 4 and outdoor heat exchanger 3, be serially connected with electric expansion valve 11 and capillary 5, simultaneously on electric expansion valve 11 sides and connect a valve body 6, finish after cross valve 1 commutation when start initial stage or defrost pattern at heating mode, controller 8 controls electric expansion valve 11 and cuts out, valve body 6 is opened, by capillary 5, refrigerant is carried out to throttling, air-conditioning system was moved after time rating, controller 8 is controlled electric expansion valve 11 and is opened to maximum, closed electromagnetic valve, attemperating unit 7 detects the temperature of the second port refrigerant of indoor heat exchanger 4, in the time that the temperature of refrigerant is greater than rated temperature, attemperating unit 7 is adjusted to electric expansion valve 11 to heat normally aperture, thereby stop the situation generation that the lubricating oil in refrigerant stops up electric expansion valve 11, particularly, finish after cross valve 1 commutation when start initial stage or defrost pattern at heating mode, low temperature refrigerant in indoor heat exchanger 4 and lubricating oil need to enter outdoor heat exchanger 3 by electric expansion valve 11, now lubricating oil viscosity is larger, easily stop up the electric expansion valve 11 of normal aperture, and the utility model air-conditioning system, finishing after cross valve 1 commutation when start initial stage or defrost pattern at heating mode, electric expansion valve 11 is closed, valve body 6 is opened, by capillary 5, refrigerant is carried out to throttling, air-conditioning system was moved after time rating, controller 8 is controlled electric expansion valve 11 and is opened to maximum, closed electromagnetic valve, when indoor heat exchanger 4 temperature raise, and indoor and outdoor pressure reduction changes normal electric expansion valve 11 throttlings into after setting up, thereby stop the situation generation that the lubricating oil in refrigerant stops up electric expansion valve 11, both having improved user experiences, extend again the service life of compressor 2 and air-conditioning system.
In the utility model, term " first ", " second ", " the 3rd " only object for describing, and can not be interpreted as instruction or hint relative importance.The terms such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
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 amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an air-conditioning system, is characterized in that, comprising:
Cross valve;
Compressor, described compressor has gas returning port and exhaust outlet, and for compression refrigerant, described exhaust outlet is connected with the first interface of described cross valve, and described gas returning port is connected with the 3rd interface of described cross valve;
Outdoor heat exchanger, the first port of described outdoor heat exchanger is connected with the second interface of described cross valve;
Indoor heat exchanger, the first port of described indoor heat exchanger is connected with the 4th interface of described cross valve;
Capillary, described the first port capillaceous is connected with the second port of described outdoor heat exchanger;
Electric expansion valve, the first port of described electric expansion valve is connected with described the second port capillaceous, and the second port is connected with the second port of described indoor heat exchanger;
Valve body, the first port of described valve body is connected with the pipeline between described capillary and described electric expansion valve, and the second port is connected with the pipeline between described electric expansion valve and described indoor heat exchanger;
Attemperating unit, described attemperating unit is arranged on the second port of described indoor heat exchanger, and be connected with described electric expansion valve, described attemperating unit is for detection of the temperature of the second port refrigerant of indoor heat exchanger, and according to the opening degree of electric expansion valve described in the temperature control of refrigerant; With
Controller, described controller is connected with described electric expansion valve, described valve body and described attemperating unit, for control the unlatching of the opening degree of described electric expansion valve, described valve body or close and described attemperating unit open or close.
2. air-conditioning system according to claim 1, is characterized in that, described attemperating unit comprises:
The first temperature sensor, described the first temperature sensor is arranged on the second port of described indoor heat exchanger, for detection of the temperature of refrigerant; With
Control device, described control device is connected with described the first temperature sensor, and according to the opening degree of electric expansion valve described in the temperature control of refrigerant.
3. air-conditioning system according to claim 2, is characterized in that, described attemperating unit also comprises:
The second temperature sensor, described the second temperature sensor is connected with described control device, and for detection of indoor environment temperature, described control device is according to the opening degree of electric expansion valve described in the temperature of refrigerant and indoor environment temperature control.
4. according to the air-conditioning system described in any one in claims 1 to 3, it is characterized in that, also comprise:
Oil eliminator, described oil eliminator is arranged on the pipeline between described exhaust outlet and the described cross valve of described compressor.
5. air-conditioning system according to claim 4, is characterized in that,
Gas-liquid separator, described gas-liquid separator is arranged on the pipeline between described gas returning port and the described cross valve of described compressor.
6. air-conditioning system according to claim 5, is characterized in that,
Described outdoor heat exchanger is finned heat exchanger.
7. air-conditioning system according to claim 6, is characterized in that,
Described indoor heat exchanger is finned heat exchanger.
8. air-conditioning system according to claim 7, is characterized in that,
Described valve body is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412526.6U CN204006853U (en) | 2014-07-24 | 2014-07-24 | Air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412526.6U CN204006853U (en) | 2014-07-24 | 2014-07-24 | Air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204006853U true CN204006853U (en) | 2014-12-10 |
Family
ID=52046845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412526.6U Expired - Lifetime CN204006853U (en) | 2014-07-24 | 2014-07-24 | Air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204006853U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596038A (en) * | 2015-01-26 | 2015-05-06 | 广东美的制冷设备有限公司 | Method and device for controlling air conditioner |
| CN104883005A (en) * | 2015-06-11 | 2015-09-02 | 广东美的暖通设备有限公司 | Motor cooling structure, air conditioner, and motor cooling method |
| CN105091226A (en) * | 2015-08-07 | 2015-11-25 | 广东美芝制冷设备有限公司 | Control method and device for air conditioner system |
| CN105444366A (en) * | 2015-12-31 | 2016-03-30 | 广东美的制冷设备有限公司 | Oil blockage detecting method and detecting device of air conditioning system and air conditioner |
| CN105509384A (en) * | 2015-12-17 | 2016-04-20 | 珠海格力电器股份有限公司 | Defrosting method of air conditioner multi-split system and air conditioner multi-split system |
| CN105546749A (en) * | 2015-12-31 | 2016-05-04 | 广东美的制冷设备有限公司 | Air conditioning system, and processing method and device for oil blockage of air conditioning system |
| CN106766443A (en) * | 2016-11-14 | 2017-05-31 | 广东美的暖通设备有限公司 | Air conditioner heat pump system and its control method and control device |
| CN108369045A (en) * | 2015-12-02 | 2018-08-03 | 三菱电机株式会社 | Air conditioner |
-
2014
- 2014-07-24 CN CN201420412526.6U patent/CN204006853U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596038A (en) * | 2015-01-26 | 2015-05-06 | 广东美的制冷设备有限公司 | Method and device for controlling air conditioner |
| CN104883005A (en) * | 2015-06-11 | 2015-09-02 | 广东美的暖通设备有限公司 | Motor cooling structure, air conditioner, and motor cooling method |
| CN105091226A (en) * | 2015-08-07 | 2015-11-25 | 广东美芝制冷设备有限公司 | Control method and device for air conditioner system |
| CN105091226B (en) * | 2015-08-07 | 2018-11-06 | 广东美芝制冷设备有限公司 | The control method and control device of air-conditioning system |
| CN108369045A (en) * | 2015-12-02 | 2018-08-03 | 三菱电机株式会社 | Air conditioner |
| CN108369045B (en) * | 2015-12-02 | 2021-03-30 | 三菱电机株式会社 | Air conditioner |
| CN105509384A (en) * | 2015-12-17 | 2016-04-20 | 珠海格力电器股份有限公司 | Defrosting method of air conditioner multi-split system and air conditioner multi-split system |
| CN105509384B (en) * | 2015-12-17 | 2017-12-29 | 珠海格力电器股份有限公司 | Defrosting method of air conditioner multi-split system and air conditioner multi-split system |
| CN105444366A (en) * | 2015-12-31 | 2016-03-30 | 广东美的制冷设备有限公司 | Oil blockage detecting method and detecting device of air conditioning system and air conditioner |
| CN105546749A (en) * | 2015-12-31 | 2016-05-04 | 广东美的制冷设备有限公司 | Air conditioning system, and processing method and device for oil blockage of air conditioning system |
| CN105546749B (en) * | 2015-12-31 | 2019-01-18 | 广东美的制冷设备有限公司 | Air-conditioning system, air-conditioning system oil stifled processing method and processing unit |
| CN106766443A (en) * | 2016-11-14 | 2017-05-31 | 广东美的暖通设备有限公司 | Air conditioner heat pump system and its control method and control device |
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