CN103982979B - Air conditioning unit starting control method and system and air conditioning unit - Google Patents
Air conditioning unit starting control method and system and air conditioning unit Download PDFInfo
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- CN103982979B CN103982979B CN201410178340.3A CN201410178340A CN103982979B CN 103982979 B CN103982979 B CN 103982979B CN 201410178340 A CN201410178340 A CN 201410178340A CN 103982979 B CN103982979 B CN 103982979B
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Abstract
The invention discloses an air conditioning unit starting control method and system and an air conditioning unit, wherein the method comprises the following steps: detecting the external environment temperature of the air conditioning unit in real time after the air conditioning unit enters a heating operation stage; controlling the running state of an outdoor fan of the air conditioning unit according to the external environment temperature; detecting the temperature of an indoor unit pipe of the air conditioning unit, and judging the running time of a compressor of the air conditioning unit and the power-on time of a four-way valve of the air conditioning unit; when the pipe temperature of the indoor unit is greater than or equal to a first preset temperature, and the running time of the compressor and the power-on time of the four-way valve are both greater than or equal to a first preset time, the indoor fan of the air conditioning unit is controlled to be started. The running state of an outdoor fan of the air conditioning unit is limited by combining the external environment temperature of the air conditioning unit, the rapid rise of the system pressure of the air conditioning unit is restrained, and the air conditioning unit is prevented from being shut down in an overload mode while the running reliability of the air conditioning unit is guaranteed.
Description
Technical field
The present invention relates to electrical equipment control field, particularly relate to a kind of air-conditioner set start-up control method and system,
And air-conditioner set.
Background technology
Air-cooled cold wind pump type heat Air conditioning unit is when entering the heating operation stage, and usual employing temporarily stops
Only indoor fan air-supply, the indoor set Guan Wen that measures to be checked reaches to restart indoor fan air-supply during a certain particular value
Control mode, blowing cold air when preventing air-conditioner set from starting shooting, to meet comfortableness requirement.
But, use this control mode not start due to indoor fan, cause indoor set heat exchange to be obstructed, simultaneously
Being limited by the impact of prior art, manufacture and technique etc., the device (temperature-sensitive bag) of detection indoor set Guan Wen is big
There is certain hysteresis quality (indoor set pipe actual for the indoor set Guan Wenyu detected is gentle to be missed certain more
Difference), and during start, the pressure transmission speed of refrigerant flowing is far longer than temperature transmission speed so that anti-
High pressure only occur during blowing cold air during air-conditioner set start or crosses the overload protections such as stream, causing air-conditioner set to stop
Machine, affects comfortableness when air-conditioner set heats and operational reliability.
At present, for guaranteeing that air-conditioner set is reliable, use and change the control mode of indoor fan wind shelves (i.e.
First control room inner blower starts with top grade, then control room inner blower transfers setting shelves operating to) avoided the occurrence of
Carry the phenomenon of protection.But, for discharge capacity compared with air-conditioner set big, that compressor displacement is constant, and run
When the air-conditioner set of higher environmental working condition, above-mentioned control mode is ensureing the operational reliability of air-conditioner set
Meanwhile, it is difficult to play the purpose preventing air-conditioner set from entering overload protection and to shut down.
Summary of the invention
Based on this, it is necessary to while ensureing air-conditioner set reliability of operation, prevent air-conditioner set from entering
The problem entering overload protection and shut down, it is provided that a kind of air-conditioner set start-up control method and system and air-conditioning
Unit.
For realizing a kind of air-conditioner set start-up control method that the object of the invention provides, comprise the steps:
After air-conditioner set enters the heating operation stage, detect the ambient temperature of described air-conditioner set in real time；
According to described ambient temperature, control the running status of the outdoor fan of described air-conditioner set；
Detect operation time and the institute of the compressor of the indoor set Guan Wen of described air-conditioner set, described air-conditioner set
State the conduction time of the cross valve of air-conditioner set；
When described indoor set Guan Wen is more than or equal to the first preset temperature, and during the described operation of described compressor
Between and be all higher than described conduction time of described cross valve or during equal to the first Preset Time, control described air-conditioning
The indoor fan of unit starts.
Wherein in an embodiment, described according to described ambient temperature, control described air-conditioner set
The running status of outdoor fan, comprises the steps:
When described ambient temperature is less than the second preset temperature, control described outdoor fan continuous service.
Wherein in an embodiment, described according to described ambient temperature, control described air-conditioner set
The running status of outdoor fan, also comprises the steps:
When described ambient temperature is more than or equal to described second preset temperature and pre-less than or equal to the 3rd
If during temperature, start after controlling described outdoor fan the second Preset Time out of service.
Wherein in an embodiment, described according to described ambient temperature, control described air-conditioner set
The running status of outdoor fan, also comprises the steps:
When described ambient temperature is more than described three preset temperature, controls described outdoor fan and stop fortune
Start after row the 3rd Preset Time.
As a kind of embodiment, also comprise the steps:
When described indoor set Guan Wen is less than described first preset temperature, or the described operation time of described compressor
Less than described first Preset Time, or the described conduction time of described cross valve is less than described first Preset Time
Time, the described indoor fan controlling described air-conditioner set shuts down.
Accordingly, for realizing above-mentioned air-conditioner set start-up control method, present invention also offers a kind of air conditioner
Group opening control system, including first detection module, the first control module, the second detection module and the second control
Molding block, wherein:
Described first detection module, after entering the heating operation stage when air-conditioner set, detection is described in real time
The ambient temperature of air-conditioner set；
Described first control module, for according to described ambient temperature, controls the room of described air-conditioner set
The running status of outer blower fan；
Described second detection module, for detecting the indoor set Guan Wen of described air-conditioner set, described air-conditioner set
Conduction time of the cross valve running time and described air-conditioner set of compressor；
Described second control module, for being more than or equal to the first preset temperature as described indoor set Guan Wen, and
Described operation time of described compressor and the described conduction time of described cross valve is all higher than or equal to first pre-
If during the time, the indoor fan controlling described air-conditioner set starts.
Wherein in an embodiment, described first control module includes the first control unit, wherein:
Described first control unit, for when described ambient temperature is less than the second preset temperature, controlling
Described outdoor fan continuous service.
Wherein in an embodiment, described first control module also includes the second control unit, wherein:
Described second control unit, for presetting warm when described ambient temperature more than or equal to described second
Degree, and during less than or equal to three preset temperatures, control described outdoor fan the second Preset Time out of service
Rear startup.
Wherein in an embodiment, described first control module also includes the 3rd control unit, wherein:
Described 3rd control unit, is used for when described ambient temperature is more than described three preset temperature,
Start after controlling described outdoor fan the 3rd Preset Time out of service.
As a kind of embodiment, also include the 3rd control module, wherein:
Described 3rd control module, for being less than described first preset temperature, or institute as described indoor set Guan Wen
State described operation time of compressor less than described first Preset Time, or during the described energising of described cross valve
Between less than described first Preset Time time, the described indoor fan controlling described air-conditioner set shuts down.
Accordingly, present invention also offers a kind of air-conditioner set, including any one air-conditioner set as above
Opening control system.
Air-conditioner set start-up control method that the present invention provides and system and air-conditioner set, work as air-conditioner set
After entering the heating operation stage, by detecting the ambient temperature of air-conditioner set in real time, according to external environment condition
Temperature controls the running status of the outdoor fan of air-conditioner set；And detect the indoor set Guan Wen of air-conditioner set, sky
Adjust the conduction time of the cross valve running time and air-conditioner set of the compressor of unit, when the room of air-conditioner set
Interior machine Guan Wen is more than or equal to the first preset temperature, and compressor run time and the conduction time of cross valve
During more than or equal to the first Preset Time, the indoor fan controlling air-conditioner set starts.It is by combining air-conditioning
The ambient temperature of unit, carries out conditional unlatching to the outdoor fan of air-conditioner set or shuts down,
In combination with the indoor set pipe gentleness air-conditioner set startup optimization time (compressor run time and cross valve
Conduction time) room indoor fan is controlled, do not affecting the evaporation effect of air-conditioner set and comfortableness
Simultaneously, it is suppressed that the rapid increase of the system pressure of air-conditioner set, guarantee air-conditioner set fortune is efficiently solved
While the reliability of row, it is difficult to the problem preventing air-conditioner set overload protection.
Accompanying drawing explanation
Fig. 1 is air-conditioner set start-up control method one specific embodiment flow chart；
Fig. 2 is another specific embodiment flow chart of air-conditioner set start-up control method；
Fig. 3 is air-conditioner set opening control system one specific embodiment schematic diagram.
Detailed description of the invention
For making technical solution of the present invention clearer, below in conjunction with drawings and the specific embodiments the present invention done into
One step describes in detail.
See Fig. 1, the specific embodiment of air-conditioner set start-up control method provided as the present invention, including
Following steps:
Step S100, after air-conditioner set enters the heating operation stage, detects the external rings of air-conditioner set in real time
Border temperature；
Step S200, according to ambient temperature, controls the running status of the outdoor fan of air-conditioner set；
Step S300, detection the indoor set Guan Wen of air-conditioner set, air-conditioner set compressor the operation time and
The conduction time of the cross valve of air-conditioner set；
Step S400, when indoor set Guan Wen is more than or equal to the first preset temperature, and the operation time of compressor
When being all higher than with the conduction time of cross valve or be equal to the first Preset Time, control the indoor fan of air-conditioner set
Start.
Owing to air-conditioner set enters the heating operation stage, (i.e. the indoor fan of air-conditioner set shuts down, anti-cold
Wind goes out the stage) after, in heat pump heating process, the off-premises station of air-conditioner set belongs to refrigerant evaporation system
System, for guaranteeing that compressor air suction does not take away liquid refrigerants, by opening outdoor fan to strengthen evaporation effect；
But, the unlatching of outdoor fan can cause the rising of pressure of inspiration(Pi) and suction temperature, finally causes air-conditioner set
System pressure rise so that air-conditioner set produces overload protection and the phenomenon shut down.Therefore, air-conditioner set
The change to the system pressure of air-conditioner set of the running status of outdoor fan and the overload protection of air-conditioner set
There is significantly impact；Meanwhile, for the indoor set Guan Wen of air-conditioner set, the outside of air-conditioner set
Environment temperature is easier to affect the evaporation effect of air-conditioner set.
Thus, as a specific embodiment of the air-conditioner set start-up control method that the present invention provides, air-conditioning is worked as
Unit enters the heating operation stage (i.e. the indoor fan of air-conditioner set shuts down, and anti-cold wind goes out the stage)
After, by detecting the ambient temperature of air-conditioner set in real time, and according to the ambient temperature detected,
Control the running status of the outdoor fan of air-conditioner set；Detection the indoor set Guan Wen of air-conditioner set, air-conditioner set
Conduction time of the cross valve running time and air-conditioner set of compressor, determine the unlatching fortune of air-conditioner set
The row time；When indoor set Guan Wen is more than or equal to the first preset temperature, and the unlatching of air-conditioner set runs the time
During more than or equal to the first Preset Time, the indoor fan controlling air-conditioner set starts.It is according to external environment condition
The running status of the outdoor fan of air-conditioner set is controlled by temperature, effectively inhibits the system of air-conditioner set
The rapid increase of pressure；Unlatching in combination with indoor set pipe gentleness air-conditioner set runs the time, to air conditioner
The indoor fan of group is controlled, it is to avoid air-conditioner set frequently enters overload protection after entering the operation phase
Phenomenon, while solving guarantee air-conditioner set reliability of operation, it is difficult to prevent air-conditioner set overload protection
Problem.
Here, it should be noted that the span of the first preset temperature may be set to [30 DEG C, 45 DEG C]；The
The span of one Preset Time may be set to [20s, 40s].
See Fig. 2, it is preferred that another of the air-conditioner set start-up control method provided as the present invention is specifically real
Execute example, step S200, according to ambient temperature, control the running status of the outdoor fan of air-conditioner set,
Comprise the steps:
Step S210, when ambient temperature X is less than the second preset temperature T1 (i.e. X ＜ T1), holds
Row step S211, controls outdoor fan continuous service.I.e. after air-conditioner set enters the heating operation stage, logical
Cross ambient temperature X detecting air-conditioner set in real time, when detecting that ambient temperature X is pre-less than second
If during temperature T1 (span of the second preset temperature T1 may be set to [8 DEG C, 12 DEG C]), namely examining
When the ambient temperature that measures is relatively low, even if now the outdoor fan of air-conditioner set is always maintained at running status
Also the system low-voltage of air-conditioner set will not be caused to steeply rise, and the heat exchange only relying on indoor fan just can be avoided
When air-conditioner set enters the heating operation stage, cause air-conditioner set overload protection owing to the anti-cold wind of control goes out
Phenomenon.
Along with the rising of ambient temperature X, the running status of the outdoor fan system pressure to air-conditioner set
Impact be gradually increased, if suitably reducing the operation time of outdoor fan, it is possible to neither affect air conditioner
The evaporation effect of group, is also not result in that the system low-voltage of air-conditioner set is too high, and then will not cause air-conditioner set
System high pressure steeply rise and produce overload protection phenomenon.The air-conditioner set provided accordingly, as the present invention
The still another embodiment of start-up control method, step S200, according to ambient temperature, control air conditioner
The running status of the outdoor fan of group, also comprises the steps:
Step S210 ', when ambient temperature X is more than or equal to the second preset temperature T1, and less than or etc.
When the 3rd preset temperature T2 (T1≤X≤T2), perform step S211 ', control outdoor fan and stop fortune
Start after row the second Preset Time.
When detecting that ambient temperature X is more than or equal to the second preset temperature T1, and less than or equal to the 3rd
During preset temperature T2 (span of the 3rd preset temperature T2 may be set to [15 DEG C, 20 DEG C]), control room
The outer blower fan short period out of service, (the second preset time t 1, the span of the second preset time t 1 was [45
S, 75s]) start afterwards and continue to run with, effectively avoid the outdoor fan of air-conditioner set and be always maintained at operation and lead
Cause the phenomenon of the overload protection of the too high generation of system pressure of air-conditioner set, meanwhile, improve air-conditioner set
Comfortableness.
When ambient temperature is too high, air-conditioner set start-up control method another provided as the present invention
Specific embodiment, step S200, according to ambient temperature, control the operation of the outdoor fan of air-conditioner set
State, also comprises the steps:
Step S210 ' ', when ambient temperature X is more than the 3rd preset temperature T2 (X ＞ T2), perform
Step S211 ' ', start after controlling outdoor fan the 3rd Preset Time out of service.I.e. when external environment condition being detected
After temperature X rises to a moment (more than the 3rd preset temperature T2), even if now a period of time does not opens
Opening outdoor fan also will not cause the system low-voltage of air-conditioner set too low；On the contrary, when ambient temperature X mistake
Gao Shi, if open outdoor fan; easily lead to air-conditioner set produce overload protection phenomenon, therefore,
Have only to control air-conditioner set outdoor fan the 3rd preset time t out of service 2 (the 3rd preset time t 2
Value can determine according to the time that air-conditioner set is transferred to normal operating phase by the heating operation stage, and typically it takes
Value scope is [80s, 135s]) after restart.It is to say, when ambient temperature X is too high,
Control that outdoor fan is out of service until air-conditioner set terminates after the heating operation stage proceeds to normal operating phase,
Restart and run.
By experiment test, the air-conditioner set start-up control method using the present invention to provide controls air-conditioner set and opens
Machine runs, and when air-conditioner set runs, system pressure is the highest less than 28.7kgf/cm2, and air-conditioner set sets
The highest system pressure value be 30kgf/cm2, it is indicated above that use the air-conditioner set start control that the present invention provides
When method processed controls air-conditioner set start, substantially without producing overload protection phenomenon, substantially increase air conditioner
Group reliability of operation, thus while efficiently solving guarantee air-conditioner set reliability of operation, it is difficult to
The problem preventing air-conditioner set overload protection.
What deserves to be explained is, as a kind of embodiment of the air-conditioner set control method that the present invention provides,
Also comprise the steps；
When performing step S310, detect that indoor set Guan Wen is less than the first preset temperature, or perform step S320,
Detect that the operation time of compressor preset less than first less than the conduction time of the first Preset Time or cross valve
During the time, perform step S400 ', the indoor fan controlling air-conditioner set shuts down.
Accordingly, based on same inventive concept, for realizing any of the above-described kind of air-conditioner set start-up control method,
Present invention also offers a kind of air-conditioner set opening control system, the air-conditioner set start provided due to the present invention
The air-conditioner set start-up control method principle that the operation principle of control system and the present invention provide is same or similar,
Therefore repeat part, repeat no more.
See Fig. 3, as a specific embodiment of the air-conditioner set opening control system 300 that the present invention provides,
Including first detection module the 310, first control module the 320, second detection module 330 and the second control module
340, wherein:
First detection module 310, for after air-conditioner set 400 enters the heating operation stage, detects sky in real time
Adjust the ambient temperature of unit 400；
First control module 320, for according to ambient temperature, controlling the outdoor fan of air-conditioner set 400
Running status；
Second detection module 330, for detecting the indoor set Guan Wen of air-conditioner set 400, air-conditioner set 400
The conduction time of the cross valve running time and air-conditioner set 400 of compressor；
Second control module 340, for being more than or equal to the first preset temperature, and compressor as indoor set Guan Wen
The operation time and conduction time of cross valve is all higher than or during equal to the first Preset Time, controls air-conditioner set
The indoor fan of 400 starts.
It is preferred that the first control module 320 includes the first control unit, wherein:
First control unit, for when ambient temperature is less than the second preset temperature, controlling outdoor fan
Continuous service.
More excellent, the first control module 320 also includes the second control unit, wherein:
Second control unit, for when ambient temperature is more than or equal to the second preset temperature, and less than or
During equal to three preset temperatures, start after controlling outdoor fan the second Preset Time out of service.
Wherein in an embodiment, the first control module 320 also includes the 3rd control unit, wherein:
3rd control unit, for when ambient temperature is more than three preset temperatures, controlling outdoor fan
Start after 3rd Preset Time out of service.
As a kind of embodiment, also include the 3rd control module, wherein:
3rd control module, for when indoor set Guan Wen is less than the first preset temperature, or during the operation of compressor
Between less than the first Preset Time, or the conduction time of cross valve less than the first Preset Time time, control air conditioner
The indoor fan of group 400 shuts down.
One specific embodiment of the air-conditioner set opening control system 300 that the present invention provides, by the first detection
Module 310 detects the ambient temperature of air-conditioner set 400 in real time, and by the first control module 320 basis
The ambient temperature detected, controls the running status of the outdoor fan of air-conditioner set 400, and then suppression
The rapid increase of the system pressure of air-conditioner set 400, the second control module 340 combines the second detection mould simultaneously
The indoor set Guan Wen of the air-conditioner set 400 that block 330 detects, air-conditioner set 400 the operation of compressor time
Between and conduction time of cross valve, the indoor fan controlling air-conditioner set 400 is opened and stops, and is not affecting
On the premise of the evaporation effect of air-conditioner set 400 and comfortableness, it is to avoid air-conditioner set 400 frequently produced
Carry the phenomenon of protection, improve air-conditioner set 400 reliability of operation.
Accordingly, present invention also offers a kind of air-conditioner set, this air-conditioner set includes arbitrary
Plant air-conditioner set opening control system.The air-conditioner set start control that this air-conditioner set provides by configuring the present invention
When system processed boots up, the system pressure of air-conditioner set is the highest less than 28.7kgf/cm2, and air-conditioner set
The system pressure peak set is as 30kgf/cm2, substantially without the phenomenon of generation overload protection, it is greatly improved
Reliability of operation and comfortableness.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (9)
1. an air-conditioner set start-up control method, it is characterised in that comprise the steps:
After air-conditioner set enters the heating operation stage, detect the ambient temperature of described air-conditioner set in real time；
According to described ambient temperature, control the running status of the outdoor fan of described air-conditioner set；
Detect the operation time of the compressor of the indoor set Guan Wen of described air-conditioner set, described air-conditioner set and the conduction time of the cross valve of described air-conditioner set；
When described indoor set Guan Wen is more than or equal to the first preset temperature, and when being all higher than the described conduction time of the described operation time of described compressor and described cross valve or be equal to the first Preset Time, the indoor fan controlling described air-conditioner set starts；
When described indoor set Guan Wen is less than described first preset temperature, or the described operation time of described compressor is less than described first Preset Time, or the described conduction time of described cross valve less than described first Preset Time time, the described indoor fan controlling described air-conditioner set shuts down.
Air-conditioner set start-up control method the most according to claim 1, it is characterised in that described according to described ambient temperature, controls the running status of the outdoor fan of described air-conditioner set, comprises the steps:
When described ambient temperature is less than the second preset temperature, control described outdoor fan continuous service.
Air-conditioner set start-up control method the most according to claim 2, it is characterised in that described according to described ambient temperature, controls the running status of the outdoor fan of described air-conditioner set, also comprises the steps:
When described ambient temperature is more than or equal to described second preset temperature, and during less than or equal to three preset temperatures, start after controlling described outdoor fan the second Preset Time out of service.
Air-conditioner set start-up control method the most according to claim 3, it is characterised in that described according to described ambient temperature, controls the running status of the outdoor fan of described air-conditioner set, also comprises the steps:
When described ambient temperature is more than described three preset temperature, start after controlling described outdoor fan the 3rd Preset Time out of service.
5. an air-conditioner set opening control system, it is characterised in that include first detection module, the first control module, the second detection module, the second control module and the 3rd control module, wherein:
Described first detection module, after entering the heating operation stage when air-conditioner set, detects the ambient temperature of described air-conditioner set in real time；
Described first control module, for according to described ambient temperature, controls the running status of the outdoor fan of described air-conditioner set；
Described second detection module, is used for detecting the conduction time of the cross valve of the operation time of the compressor of the indoor set Guan Wen of described air-conditioner set, described air-conditioner set and described air-conditioner set；
Described second control module, for when described indoor set Guan Wen is more than or equal to the first preset temperature, and described described operation time of compressor and the described conduction time of described cross valve is all higher than or during equal to the first Preset Time, the indoor fan controlling described air-conditioner set starts；
Described 3rd control module, for when described indoor set Guan Wen is less than described first preset temperature, or the described operation time of described compressor is less than described first Preset Time, or the described conduction time of described cross valve less than described first Preset Time time, the described indoor fan controlling described air-conditioner set shuts down.
Air-conditioner set opening control system the most according to claim 5, it is characterised in that described first control module includes the first control unit, wherein:
Described first control unit, for when described ambient temperature is less than the second preset temperature, controlling described outdoor fan continuous service.
Air-conditioner set opening control system the most according to claim 6, it is characterised in that described first control module also includes the second control unit, wherein:
Described second control unit, for being more than or equal to described second preset temperature when described ambient temperature, and during less than or equal to three preset temperatures, starts after controlling described outdoor fan the second Preset Time out of service.
Air-conditioner set opening control system the most according to claim 7, it is characterised in that described first control module also includes the 3rd control unit, wherein:
Described 3rd control unit, for when described ambient temperature is more than described three preset temperature, starts after controlling described outdoor fan the 3rd Preset Time out of service.
9. an air-conditioner set, it is characterised in that include the air-conditioner set opening control system as described in any one of claim 5 to 8.
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| CN201410178340.3A CN103982979B (en) | 2014-04-29 | 2014-04-29 | Air conditioning unit starting control method and system and air conditioning unit |
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| CN201410178340.3A CN103982979B (en) | 2014-04-29 | 2014-04-29 | Air conditioning unit starting control method and system and air conditioning unit |
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| CN106152429A (en) * | 2015-03-30 | 2016-11-23 | Tcl空调器(中山)有限公司 | Intelligent air conditioning system and its control method |
| CN105042771B (en) * | 2015-07-02 | 2017-12-26 | 珠海格力电器股份有限公司 | Cold air prevention control method and device for air conditioner heating starting |
| CN105004020B (en) * | 2015-07-02 | 2018-02-13 | 珠海格力电器股份有限公司 | Air conditioner heating starting control method and control device |
| CN105066370B (en) * | 2015-09-02 | 2018-04-17 | 珠海格力电器股份有限公司 | compressor overload protection control method and device and air conditioner |
| CN105758077A (en) * | 2016-04-13 | 2016-07-13 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN106568170B (en) * | 2016-10-28 | 2018-10-19 | 珠海格力电器股份有限公司 | Air conditioner and heating cold-proof device and method thereof |
| CN110617604B (en) * | 2019-09-19 | 2020-09-22 | 珠海格力电器股份有限公司 | Control method, device and equipment for preventing cold air of air conditioner, air conditioner and storage medium |
| CN112556114B (en) * | 2020-12-01 | 2021-11-26 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, storage medium and processor |
| CN115899946B (en) * | 2022-12-21 | 2024-09-17 | 珠海格力电器股份有限公司 | Fault detection method and device for air conditioning unit, air conditioner and storage medium |
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| CN101893310A (en) * | 2010-08-31 | 2010-11-24 | 四川长虹空调有限公司 | Control method for preventing overload of compressor under heating mode of heat pump air conditioner |
| CN103574835A (en) * | 2012-07-31 | 2014-02-12 | 美的集团股份有限公司 | Method and device for controlling outdoor fan of air conditioner |
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