CN109579151B - Chassis deicing structure, air conditioner and air conditioner deicing control method - Google Patents

Chassis deicing structure, air conditioner and air conditioner deicing control method Download PDF

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Publication number
CN109579151B
CN109579151B CN201811613234.8A CN201811613234A CN109579151B CN 109579151 B CN109579151 B CN 109579151B CN 201811613234 A CN201811613234 A CN 201811613234A CN 109579151 B CN109579151 B CN 109579151B
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China
Prior art keywords
deicing
chassis
heat exchanger
pipe
air conditioner
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Active
Application number
CN201811613234.8A
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Chinese (zh)
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CN109579151A (en
Inventor
肖凯佳
徐海晶
马洁丹
钟嘉威
吴明明
潘丹
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201811613234.8A priority Critical patent/CN109579151B/en
Publication of CN109579151A publication Critical patent/CN109579151A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/52Weather protecting means, e.g. against wind, rain or snow
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a chassis deicing structure, an air conditioner and an air conditioner deicing control method, wherein the chassis deicing structure comprises the following components: the chassis is provided with a water outlet; the heat exchanger is arranged on the refrigerant circulating pipeline; the deicing part is communicated with the pipeline of the heat exchanger, is positioned at the water outlet of the chassis and is used for circulating a refrigerant and deicing the water outlet of the chassis through heat of the refrigerant. When the air conditioner enters the deicing mode, the unit changes the refrigerating mode, and the high-temperature refrigerant in the deicing part melts the condensed water frozen on the chassis at the same time when the high-temperature refrigerant in the external machine pipeline deicing the fins, so that the ice-cooling condensed water of the fins cannot be discharged due to ice blockage, and the power consumption waste and the potential safety hazard caused by electrically heating the deicing are not needed.

Description

Chassis deicing structure, air conditioner and air conditioner deicing control method
Technical Field
The invention relates to the technical field of air conditioners, in particular to a chassis deicing structure, an air conditioner and an air conditioner deicing control method.
Background
When the air conditioner operates in a low-temperature area or a region with larger wind and snow, condensed water flow on the outer surface of the condenser of the outdoor unit can drop onto the chassis, and under the condition that the air conditioner operates for a long time, the condenser and the chassis of the air conditioner can be frozen, and the chassis can not normally drain. Particularly, after the heat exchanger of the outdoor unit is defrosted, water drops formed by defrosting remain on the chassis, and the icing condition of the chassis can be aggravated.
In the prior art, the electric heating belt is mainly added on the chassis in a defrosting mode of the chassis, and the chassis is subjected to deicing and deicing by heat emitted by electric heating, but the mode is relatively power-consuming, and resource waste is more easily caused in areas with low deicing requirements.
In the prior art, the air conditioner heat pump system with the chassis deicing function comprises an evaporator, a chassis, a compressor and a condenser, wherein the evaporator is arranged on the chassis, a heater is arranged below the chassis, the evaporator, the compressor and the condenser are respectively connected with a four-way valve, the condenser is connected with a heat exchange coil in the heater through a heating one-way valve, and the heat exchange coil is connected with the evaporator through a throttle valve; the condenser is also connected with the evaporator through a defrosting check valve and a throttle valve. The deicing function is realized through the heater, but the structure is complex, and the cost is high.
Disclosure of Invention
The invention discloses a chassis deicing structure, an air conditioner and an air conditioner deicing control method, and solves the problems that an existing deicing structure is complex and high in cost.
According to one aspect of the present invention, a chassis deicing structure is disclosed, comprising: the chassis is provided with a water outlet; the heat exchanger is arranged on the refrigerant circulating pipeline; the deicing part is communicated with the pipeline of the heat exchanger, is positioned at the water outlet of the chassis and is used for circulating a refrigerant and deicing the water outlet of the chassis through heat of the refrigerant.
Further, the deicing portion is located above the drain opening.
Further, the deicing part is an arc-shaped pipe.
Further, the heat exchanger includes: the fin group is arranged above the chassis; the heat exchange tube is provided with a plurality of straight tube sections and a plurality of arc sections, the straight tube sections are arranged on the fin group at intervals, each straight tube section penetrates through the fin group, two adjacent straight tube sections are connected through the arc sections, and the arc sections at the bottom of the fin group form the deicing part.
Further, the heat exchanger includes: the fin group is arranged above the chassis; the heat exchange tube is bent at the position of the water outlet to form a protruding part, and the protruding part is the deicing part.
Further, the ice melting part is arranged at the refrigerant inlet of the heat exchanger, the refrigerant inlet of the heat exchange tube is arranged at the bottom of the heat exchanger, and the refrigerant outlet of the heat exchange tube is arranged at the top of the heat exchanger.
Further, the chassis is provided with a groove matched with the deicing part, the deicing part is positioned in the groove, and the water outlet is positioned at the bottom of the groove.
Further, the plane of at least part of the structure of the deicing part is parallel to the plane of the chassis.
According to another aspect of the invention, an air conditioner is also disclosed, which comprises the chassis deicing structure.
According to another aspect of the present invention, there is also disclosed an air conditioner ice-melting control method, the air conditioner being the above air conditioner, the air conditioner ice-melting control method comprising: s10: acquiring outdoor temperature in a defrosting state; s20: and controlling the heat exchanger to carry out deicing according to the outdoor temperature.
Further, the air conditioner further comprises a compressor and a liquid distribution pipe which are arranged on a refrigerant circulation pipeline, the heat exchanger comprises a heat exchange pipe, the liquid distribution pipe comprises a main pipe, a first branch pipe, a second branch pipe and a third branch pipe, an inlet of the main pipe is communicated with an exhaust port of the compressor, an outlet of the main pipe is communicated to the heat exchange pipe at the bottom of the heat exchanger through the first branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe at the middle part of the heat exchanger through the second branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe at the top of the heat exchanger through the third branch pipe, the air conditioner further comprises a first control valve for controlling the first branch pipe to be opened or closed, a second control valve for controlling the second branch pipe to be opened or closed, and a third control valve for controlling the third branch pipe to be opened or closed, and the step S20 further comprises the following steps: s21: when the outdoor temperature is lower than the preset temperature, the second control valve and the third control valve are controlled to be closed, the first control valve is opened, and after the refrigerant discharged from the exhaust port of the compressor enters the liquid separation pipe, the refrigerant enters the heat exchange pipe at the bottom of the heat exchanger through the first branch pipe and flows out of the heat exchange pipe at the top of the heat exchanger.
The invention is provided with the deicing part, when the air conditioner enters deicing in a hot mode, the unit changes the refrigerating mode, and the high-temperature refrigerant in the deicing part melts the condensed water frozen on the chassis simultaneously when the high-temperature refrigerant in the external machine pipeline is used for deicing the fins, so that the ice-cooled condensed water of the fins cannot be discharged due to ice blockage, and the invention does not need to use electric heating deicing to cause power consumption waste and potential safety hazard.
Drawings
FIG. 1 is a schematic view of the structure of an ice-making chassis according to an embodiment of the present invention;
FIG. 2 is a schematic view of an ice-melting section according to an embodiment of the present invention;
FIG. 3 is a schematic view of a drain outlet according to an embodiment of the present invention;
legend: 10. a chassis; 11. a water outlet; 12. a groove; 20. a heat exchanger; 21. a heat exchange tube; 22. a fin group; 30. and an deicing part.
Detailed Description
The invention is further illustrated, but is not limited to, the following examples.
As shown in fig. 1, the invention discloses a chassis deicing structure, which comprises a chassis 10, a heat exchanger 20 and a deicing part 30, wherein a water outlet 11 is arranged on the chassis 10; the heat exchanger 20 is arranged on the refrigerant circulation pipeline; the deicing unit 30 is communicated with the pipeline of the heat exchanger 20, the deicing unit 30 is positioned at the position of the water outlet 11 of the chassis 10, and the deicing unit 30 is used for circulating the refrigerant and deicing the water outlet 11 of the chassis 10 by the heat of the refrigerant. The invention is provided with the deicing part 30, when the air conditioner enters deicing in a hot mode, the unit changes the refrigerating mode, and the high-temperature refrigerant in the deicing part 30 melts the condensed water frozen on the chassis simultaneously when defrosting the fins, so that the ice-cooling condensed water of the fins cannot be discharged due to ice blockage, and the invention does not need to use electric heating deicing to cause power consumption waste and potential safety hazard.
In the above embodiment, the deicing unit 30 is located above the drain port 11. When the air conditioning system enters the deicing mode, the unit changes the refrigerating mode, and the high-temperature refrigerant in the external machine pipeline simultaneously melts the fin deicing and simultaneously melts the frozen condensed water at the position of the chassis water outlet 11 in the deicing part 30, so that the fin deicing and ice condensation water cannot be discharged due to ice blockage, and the power consumption waste and the potential safety hazard caused by electric heating deicing are not needed.
In the above embodiment, the deicing unit 30 is an arc tube, and the plane of the arc tube is parallel to the plane of the chassis 10. Of course, the plane of the arc tube and the plane of the chassis 10 may be non-parallel, but by arranging the ice melting portion 30 as an arc tube and parallel to the chassis 10, the heat exchange efficiency can be improved and the ice melting effect can be increased compared with the non-parallel arrangement.
As shown in fig. 3, in the above embodiment, the heat exchanger 20 includes: a heat exchange tube 21 and a fin group 22, the fin group 22 being disposed above the chassis 10; the heat exchange tube 21 has a plurality of straight tube sections and a plurality of arc-shaped sections, the plurality of straight tube sections are arranged on the fin group 22 at intervals, each straight tube section penetrates through the fin group 22, two adjacent straight tube sections are connected through the arc-shaped sections, and the arc-shaped sections located at the bottom of the fin group 22 form the deicing portion 30. When the air conditioning system enters the deicing mode, the unit changes the refrigerating mode, and when the high-temperature refrigerant of the external machine pipeline is used for deicing fins, the arc-shaped section at the bottom of the fin group 22 forms the deicing part 30 and simultaneously melts the condensed water frozen at the water outlet of the chassis, so that the ice-cooled condensed water of the fins cannot be discharged because the water outlet is blocked, and the power consumption waste and the potential safety hazard caused by electrically heating the deicing are not needed. It will be appreciated that in the above embodiments, the ice melting portion 30 is disposed at the refrigerant inlet or the refrigerant outlet of the heat exchanger 20.
In another embodiment as shown in fig. 2, the heat exchanger 20 includes a heat exchange tube 21 and a fin group 22, the fin group 22 being disposed above the base plate 10; the heat exchange tube 21 is bent at the position of the drain port 11 to form a protruding portion, which is an ice melting portion 30. When the air conditioning heating mode enters the deicing mode, the unit changes the refrigerating mode, and when the high-temperature refrigerant of the external machine pipeline is used for deicing the fins, the heat exchange tube 21 bends to form the protruding part at the position of the water outlet 11, and meanwhile, the condensed water frozen at the water outlet of the chassis is melted, so that the ice-cooled condensed water of the fins cannot be discharged because the water outlet is blocked, and therefore, the electric consumption waste and potential safety hazard caused by electric heating deicing are not needed.
In the above embodiment, the ice melting portion 30 is disposed at the refrigerant inlet of the heat exchanger 20, the refrigerant inlet of the heat exchange tube 21 is disposed at the bottom of the heat exchanger 20, and the refrigerant outlet of the heat exchange tube 21 is disposed at the top of the heat exchanger 20. Therefore, the refrigerant flows from bottom to top preferentially, so that the deicing effect is improved.
In the above embodiment, the chassis 10 has the groove 12 matching with the ice melting part 30, the ice melting part 30 is located in the groove 12, and the drain opening 11 is located at the bottom of the groove 12. By providing the recess 12 on the chassis 10 that mates with the ice-melting portion 30, the ice-melting portion 30 may be disposed in the recess 12 in a downward extending manner, so that the heat exchanging fins do not need to be raised, and the structure is simplified.
In the above embodiment, the deicing unit 30 is an arc tube, and the plane of the arc tube is parallel to the plane of the chassis 10. Of course, the plane of the arc tube and the plane of the chassis 10 may be non-parallel, but by arranging the ice melting portion 30 as an arc tube and parallel to the chassis 10, the heat exchange area can be increased compared with the non-parallel arrangement, thereby improving the heat exchange efficiency and increasing the ice melting effect.
According to another aspect of the invention, an air conditioner is also disclosed, which comprises the chassis deicing structure.
According to another aspect of the present invention, there is also disclosed an air conditioner ice melting control method, the air conditioner being the above air conditioner, the air conditioner ice melting control method comprising:
s10: acquiring outdoor temperature in a defrosting state;
s20: and controlling the heat exchanger to carry out deicing according to the outdoor temperature.
In the above embodiment, the air conditioner further includes a compressor and a liquid separation pipe disposed on the refrigerant circulation pipeline, the heat exchanger includes a heat exchange pipe 21, the liquid separation pipe includes a main pipe, a first branch pipe, a second branch pipe and a third branch pipe, an inlet of the main pipe is communicated with an exhaust port of the compressor, an outlet of the main pipe is communicated to the heat exchange pipe 21 at the bottom of the heat exchanger 20 through the first branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe 21 at the middle of the heat exchanger 20 through the second branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe 21 at the top of the heat exchanger 20 through the third branch pipe, the air conditioner further includes a first control valve for controlling the first branch pipe to be opened or closed, a second control valve for controlling the second branch pipe to be opened or closed, and a third control valve for controlling the third branch pipe to be opened or closed, and the step S20 further includes the steps of:
s21: when the outdoor temperature is lower than the preset temperature, the second control valve and the third control valve are controlled to be closed, the first control valve is opened, and after the refrigerant discharged from the exhaust port of the compressor enters the liquid separation pipe, the refrigerant enters the heat exchange pipe 21 at the bottom of the heat exchanger 20 through the first branch pipe and flows out of the heat exchange pipe 21 at the top of the heat exchanger 20.
It should be understood that the above-described embodiments of the present invention are provided by way of example only and are not intended to limit the scope of the invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. All obvious changes or modifications which come within the spirit of the invention are desired to be protected.

Claims (10)

1. A chassis deicing structure comprising:
the water-saving device comprises a chassis (10), wherein a water outlet (11) is formed in the chassis (10);
the heat exchanger (20) is arranged on the refrigerant circulation pipeline;
an ice melting part (30), wherein the ice melting part (30) is communicated with a pipeline of the heat exchanger (20), the ice melting part (30) is positioned at a water outlet (11) of the chassis (10), and the ice melting part (30) is used for circulating a refrigerant and melting ice in the water outlet (11) of the chassis (10) through heat of the refrigerant;
the heat exchanger (20) comprises:
a fin group (22), the fin group (22) being arranged above the chassis (10);
the heat exchange tube (21), heat exchange tube (21) have a plurality of straight tube sections and a plurality of arc section, and is a plurality of the straight tube section interval sets up on fin group (22), every straight tube section runs through fin group (22), two adjacent straight tube sections pass through the arc section is connected, is located the arc section of fin group (22) bottom forms deicing portion (30).
2. The chassis deicing structure as set forth in claim 1, wherein,
the deicing unit (30) is located above the water outlet (11).
3. The chassis deicing structure as set forth in claim 1, wherein,
the deicing part (30) is an arc-shaped pipe.
4. Chassis deicing structure according to claim 1, characterized in that the heat exchanger (20) comprises:
a fin group (22), the fin group (22) being arranged above the chassis (10);
and the heat exchange tube (21) is bent at the position of the water outlet (11) to form a protruding part, and the protruding part is the deicing part (30).
5. The chassis deicing structure of claim 1 or 4, wherein,
the setting position of the deicing part (30) is positioned at the refrigerant inlet of the heat exchanger (20), the refrigerant inlet of the heat exchange tube (21) is positioned at the bottom of the heat exchanger (20), and the refrigerant outlet of the heat exchange tube (21) is positioned at the top of the heat exchanger (20).
6. The chassis deicing structure as set forth in claim 2, wherein,
the chassis (10) is provided with a groove (12) matched with the deicing part (30), the deicing part (30) is positioned in the groove (12), and the water outlet (11) is positioned at the bottom of the groove (12).
7. The chassis deicing structure as set forth in claim 1, wherein,
the plane of at least part of the structure of the deicing part (30) is parallel to the plane of the chassis (10).
8. An air conditioner comprising the chassis deicing structure of any one of claims 1 to 7.
9. An air conditioner deicing control method, characterized in that the air conditioner is the air conditioner described in claim 8, comprising:
s10: acquiring outdoor temperature in a defrosting state;
s20: and controlling the heat exchanger to carry out deicing according to the outdoor temperature.
10. The ice-making control method according to claim 9, wherein the air conditioner further comprises a compressor and a liquid-dividing pipe provided on a refrigerant circulation line, the heat exchanger comprises a heat exchange pipe (21), the liquid-dividing pipe comprises a main pipe, a first branch pipe, a second branch pipe and a third branch pipe, an inlet of the main pipe is communicated with an exhaust port of the compressor, an outlet of the main pipe is communicated to the heat exchange pipe (21) at the bottom of the heat exchanger (20) through the first branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe (21) at the middle of the heat exchanger (20) through the second branch pipe, an outlet of the main pipe is communicated to the heat exchange pipe (21) at the top of the heat exchanger (20) through the third branch pipe, the air conditioner further comprises a first control valve for controlling the opening or closing of the first branch pipe, a second control valve for controlling the opening or closing of the second branch pipe, and a third control valve for controlling the opening or closing of the third branch pipe, and the step S20 further comprises the steps of:
s21: when the outdoor temperature is lower than the preset temperature, the second control valve and the third control valve are controlled to be closed, the first control valve is opened, and after the refrigerant discharged from the exhaust port of the compressor enters the liquid separation pipe, the refrigerant enters the heat exchange pipe (21) at the bottom of the heat exchanger (20) through the first branch pipe and flows out from the heat exchange pipe (21) at the top of the heat exchanger (20).
CN201811613234.8A 2018-12-27 2018-12-27 Chassis deicing structure, air conditioner and air conditioner deicing control method Active CN109579151B (en)

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CN201811613234.8A CN109579151B (en) 2018-12-27 2018-12-27 Chassis deicing structure, air conditioner and air conditioner deicing control method

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Application Number Priority Date Filing Date Title
CN201811613234.8A CN109579151B (en) 2018-12-27 2018-12-27 Chassis deicing structure, air conditioner and air conditioner deicing control method

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CN109579151B true CN109579151B (en) 2023-09-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110579014B (en) * 2019-09-03 2021-05-25 青岛海信日立空调系统有限公司 Heat exchange device and control method and control device thereof
CN114646127B (en) * 2022-04-19 2023-09-19 青岛海信日立空调系统有限公司 Air conditioning system and refrigerant circulation abnormality detection method

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Publication number Priority date Publication date Assignee Title
CN1719145A (en) * 2004-07-08 2006-01-11 乐金电子(天津)电器有限公司 Device of air conditioner outdoor unit for preventing drained water from freezing
WO2014203500A1 (en) * 2013-06-18 2014-12-24 パナソニックIpマネジメント株式会社 Air conditioner
CN106352491A (en) * 2016-10-08 2017-01-25 芜湖美智空调设备有限公司 Defrosting control method, defrosting control device and air conditioner
CN109084412A (en) * 2018-08-23 2018-12-25 奥克斯空调股份有限公司 A kind of control method and air conditioner of air conditioner
CN209605291U (en) * 2018-12-27 2019-11-08 珠海格力电器股份有限公司 Chassis deicing structure and air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1719145A (en) * 2004-07-08 2006-01-11 乐金电子(天津)电器有限公司 Device of air conditioner outdoor unit for preventing drained water from freezing
WO2014203500A1 (en) * 2013-06-18 2014-12-24 パナソニックIpマネジメント株式会社 Air conditioner
CN106352491A (en) * 2016-10-08 2017-01-25 芜湖美智空调设备有限公司 Defrosting control method, defrosting control device and air conditioner
CN109084412A (en) * 2018-08-23 2018-12-25 奥克斯空调股份有限公司 A kind of control method and air conditioner of air conditioner
CN209605291U (en) * 2018-12-27 2019-11-08 珠海格力电器股份有限公司 Chassis deicing structure and air conditioner

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