CN107449105A - A kind of control method of air-conditioner defrosting - Google Patents
A kind of control method of air-conditioner defrosting Download PDFInfo
- Publication number
- CN107449105A CN107449105A CN201710543860.3A CN201710543860A CN107449105A CN 107449105 A CN107449105 A CN 107449105A CN 201710543860 A CN201710543860 A CN 201710543860A CN 107449105 A CN107449105 A CN 107449105A
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning
- time
- defrosting
- mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
Abstract
The invention provides a kind of control method of air-conditioner defrosting, there is air-conditioning heating mode and air-conditioning work to meet the defrosting mode started after preset trigger condition when heating mode, and control method includes：When air-conditioning work is in heating mode, the coil temperature of indoor heat exchanger is persistently detected；When preset trigger condition is satisfied, air-conditioning switches to defrosting mode from heating mode, and counts air-conditioning and the time for switching to defrosting mode is opened into from this heating mode, and the time is referred to as heating mode time Sy；When air-conditioning terminates defrosting, the time of this operation defrosting mode of air-conditioning is obtained, the time is referred to as defrosting mode time Sc；And according to coil temperature, heating mode time Sy and defrosting mode time Sc, determine that air-conditioning enters the Dynamic trigger condition of defrosting mode next time.The trigger condition that the control method of the present invention can enter defrosting mode to next time is adjusted, so that air-conditioning can carry out defrost on most suitable opportunity so that its defrost best results.
Description
Technical field
The present invention relates to the control method of air-conditioning, more particularly to a kind of control method of air-conditioner defrosting.
Background technology
Air-conditioning is in heating operation, if outdoor environment temperature carries certain moisture in below freezing and air, in outdoor
Machine heat exchanger surface easily freezes to form frost, and white presence can influence the heating performance of air-conditioning.Therefore, in air-conditioning heating process
In, need to be defrosted into defrosting mode at regular intervals.The defrosting trigger condition of air-conditioning greatly affects air-conditioning
Defrosting effect, heating performance and comfort.Existing air-conditioned defrosting precision is not high, and defrosting mode sets the improper serious shadow of meeting
Heating effect is rung, is made troubles for the use of user.
The content of the invention
It is an object of the present invention to provide a kind of control method of air-conditioner defrosting.
The present invention one is further objective is that the defrosting precision of air-conditioning will be improved.
The present invention another further objective is that to strengthen the heating effect of air-conditioning.
Especially, the invention provides a kind of control method of air-conditioner defrosting, the air-conditioning has heating mode and institute
The defrosting mode that air-conditioning work meets to start after preset trigger condition when the heating mode is stated, the control method includes：
When the air-conditioning work is in the heating mode, the coil temperature of indoor heat exchanger is persistently detected；
When the preset trigger condition is satisfied, the air-conditioning switches to the defrosting mode from the heating mode,
And count the air-conditioning and the time for switching to the defrosting mode is opened into from heating mode this described, the time is referred to as making
Heat pattern time Sy；
When the air-conditioning terminates defrosting, the time of this operation defrosting mode of the air-conditioning is obtained, the time claims
For defrosting mode time Sc；And
According to the coil temperature, heating mode time Sy and the defrosting mode time Sc, the air-conditioning is determined
Enter the Dynamic trigger condition of the defrosting mode next time.
Further, the coil temperature includes：
Overall average temperature Ty of the air-conditioning in the heating mode time Sy inner coil pipe for working in the heating mode
With the air-conditioning when working in the heating mode from the heating mode switch to the defrosting mode before second it is default when
Between inner coil pipe last mean temperature Ts；And
When the air-conditioning work is in the heating mode, the reality of the coil pipe is detected once at interval of the first preset time
Shi Wendu T.
Further, second preset time is 1 minute, and first preset time is any between 5~15 seconds
Value.
Further, the control method also includes：
According to the overall average temperature Ty and the last mean temperature Ts, the calibration mean temperature Tp of the coil pipe is calculated,
And the last mean temperature Ts and the calibration mean temperature Tp size.
Further, the calculation formula of the calibration mean temperature Tp is：
Tp=TySy/ (Sy+Sc)+d
Wherein, d is temperature compensation value, and the temperature compensation value is the arbitrary integer between -1 to 2.
Further, the control method also includes：
If the last mean temperature Ts is equal to the calibration mean temperature Tp, the air-conditioning enters the defrosting next time
The Dynamic trigger condition of pattern is set as the preset trigger condition.
Further, the control method also includes：
If the last mean temperature Ts is less than the calibration mean temperature Tp, the air-conditioning enters the defrosting next time
The Dynamic trigger condition of pattern is set as that the real time temperature T of the coil pipe reaches the calibration mean temperature Tp.
Further, the control method also includes：
If the last mean temperature Ts is more than the calibration mean temperature Tp, the air-conditioning enters the defrosting next time
The Dynamic trigger condition of pattern is set as that the preset trigger condition is satisfied the rear air-conditioning and extends the operation heating
Pattern is up to the 3rd preset time Sa；Wherein
If the real time temperature T of the coil pipe of the air-conditioning is pre- in extend the operation heating mode the described 3rd
If reaching the calibration mean temperature Tp in time Sa, then the air-conditioning immediately enters the defrosting mode next time.
Further, the 3rd preset time Sa is according to the last mean temperature Ts's and calibration mean temperature Tp
Size determines.
Further, the calculation formula of the 3rd preset time Sa is：
Sa=c (Ts-Tp)
Wherein, c is calibration factor, and Sa is the numerical value in units of minute, Ts and Tp be by degree Celsius in units of numerical value.
The control method of the present invention is by detecting the last work collectively constituted by heating mode and defrosting mode
The run time of coil temperature and each pattern in cycle, can be in real time to the triggering bar of defrosting mode in the work period next time
Part is adjusted, so that air-conditioning can be carried out when the attribute such as environment temperature and/or humidity changes on most suitable opportunity
Defrost, and then cause its defrost effect to reach optimal.
Further, control method of the invention can make air-conditioning mould of operation defrosting in time when heating mode is ineffective
Formula, extend heating mode run time when heating effect is good, it is possible thereby to be obtained more preferably in shorter defrosting time
Defrosting effect, and greatly promote the heating efficiency of heating mode after defrosting, obtains optimal heating effect, and this control method without
The hardware cost of air-conditioning, which need to be increased, can lift Consumer's Experience.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the indicative flowchart of control method according to an embodiment of the invention；
Fig. 2 is the indicative flowchart of control method in accordance with another embodiment of the present invention.
Embodiment
The control method of the present invention can be used for defrosting to fixed frequency air conditioner.Specifically, air-conditioning have heating mode and
Air-conditioning work meets the defrosting mode started after preset trigger condition when heating mode.
Fig. 1 is the indicative flowchart of control method according to an embodiment of the invention.Referring to Fig. 1, control method bag
Include：
Step S100, air-conditioning n-th enter heating mode.
Step S102, detect the coil temperature of air-conditioning indoor heat exchanger.
Step S104, judges whether air-conditioning meets preset trigger condition；If so, step S106 is then performed, if it is not, then returning
Continue executing with step S102.
Step S106, air-conditioning enter defrosting mode for the m times, obtain the heating mode of operation n-th heating mode overall process
Time Sy, the overall average temperature Ty of the coil pipe of operation n-th heating mode overall process is obtained, obtains operably n heating mode
The last mean temperature Ts of coil pipe in the last minute of overall process.
Step S108, judges whether air-conditioning has completed the m times defrosting program；If so, step S110 is then performed, if it is not, then
Return continues executing with step S106.
Step S110, obtain the defrosting mode time Sc of the m times defrosting mode overall process of operation.
Step S112, calculate calibration mean temperature Tp.
Step S113, the m+1 times Dynamic trigger condition for entering defrosting mode of air-conditioning is determined according to calibration mean temperature Tp.
Specifically, the m in above-mentioned steps and n can be the arbitrary integer more than 0, and m and n can be with equal or different.Work as m=
During n=1, air-conditioning carries out heating mode and defrosting mode first, and now preset trigger condition can be dispatching from the factory certainly for target empty tune
Band acquiescence trigger condition, such as can be temperature control or time control etc..Work as m>1, n>When 1, air-conditioning had been carried out once
Or multiple heating mode and defrosting mode, now preset trigger condition can be the dynamic that last air-conditioning enters defrosting mode
Trigger condition, that is to say can be from the m-1 times heating mode enter (n-1)th defrosting mode when trigger condition.
Calibration mean temperature Tp and coil temperature, heating mode time Sy and defrosting mode time in above-mentioned steps S112
Sc is relevant.It that is to say, according to overall average temperature Ty and last mean temperature Ts, calculate the calibration mean temperature Tp of coil pipe.
Especially, in some embodiments of the invention, calibration mean temperature Tp calculation formula is：
Tp=TySy/ (Sy+Sc)+d
Wherein, d is temperature compensation value, temperature compensation value be by degree Celsius in units of numerical value, and can be -1 to 2 it
Between arbitrary integer.Ts and Tp be by degree Celsius in units of numerical value.
Specifically, temperature compensation value can determine according to outdoor environment temperature humidity.In some embodiments of the invention, when
Air-conditioning is in the larger area of outdoor environment humidity (for example, relative air humidity be more than 65%), and outdoor environment temperature be in-
2 DEG C to 4 DEG C, now d could be arranged to 2 (degrees Celsius).It that is to say, be easy to produce frost layer, frost layer under the conditions of this, on outdoor unit
Too thick do not remove will cause indoor heating effect to be greatly attenuated.The heating capacity now exported under heating mode can be less than and can be further
Drag down the average heating capacity of whole cycle, it should defrost as early as possible.
When in the less area (for example, relative air humidity be less than 50%) of outdoor environment humidity, and outdoor environment temperature
Degree is below 0 DEG C, and now d could be arranged to -1 (degree Celsius).Under the conditions of this, outdoor unit is not likely to produce frost layer, now heats
The decay of amount is relatively fewer, that is to say, the heating capacity of now air-conditioning output can be heated on average heating capacity with proper extension
Run time.
When local environment humidity and/or temperature are unsatisfactory for above-mentioned condition, d can be default value 0 (degree Celsius) or according to
Further detection and user's request synthetic setting.
Further, control method of the invention makes air-conditioning persistently detect indoor heat exchange when it works in heating mode
The coil temperature of device.Lasting detection refers to when air-conditioning work is in heating mode, and once disk is detected at interval of the first preset time
The real time temperature T of pipe.
Coil temperature may include that the overall average temperature Ty of operation of air conditioner heating mode time Sy inner coil pipes and air-conditioning are working
When heating mode from heating mode switch to defrosting mode before the second preset time inner coil pipe last mean temperature Ts.Temperature in real time
T is spent to can be used for calculating overall average temperature Ty and last mean temperature Ts.
It that is to say, the defrosting mode time Sc in heating mode time Sy and step S110 in step S106 is respectively
Refer to：When preset trigger condition is satisfied, air-conditioning switches to defrosting mode from heating mode, and counts air-conditioning from this heating
Pattern is opened into the time for switching to defrosting mode, and the time is referred to as heating mode time Sy.When air-conditioning terminates defrosting, obtain
The time of this operation defrosting mode of air-conditioning, the time are referred to as defrosting mode time Sc.
The control method of the present invention is by detecting the last work collectively constituted by heating mode and defrosting mode
The run time of coil temperature and each pattern in cycle, can be in real time to the triggering bar of defrosting mode in the work period next time
Part is adjusted, so that air-conditioning can be carried out when the attribute such as environment temperature and/or humidity changes on most suitable opportunity
Defrost, and then cause its defrost effect to reach optimal.
In some embodiments of the invention, the second preset time can be 1 minute.First preset time can be 5~
Arbitrary value between 15 seconds.In some currently preferred embodiments of the present invention, the first preset time can be 10 seconds, and thus temperature is examined
Operation is surveyed without excessively continually performing, and enough coil pipe real-time temperature values (T) can be obtained, it is accurate so as to calculate
Overall average temperature Ty and last mean temperature Ts.
Fig. 2 is the indicative flowchart of control method in accordance with another embodiment of the present invention.Referring to Fig. 2, control method
Also include：
Step S114, judges whether Tp is equal to Ts；If so, step S116 is then performed, if it is not, then performing step S118.
Step S116, after (n+1)th entrance heating mode of air-conditioning, when preset trigger condition is satisfied, air-conditioning enters
The m+1 times defrosting mode.
Step S118, judges whether Ts is more than Tp；If so, then Zhi Hang Fu S122, if it is not, then performing step S120.
Step S120, after (n+1)th entrance heating mode of air-conditioning, when the real time temperature T of coil pipe reaches Tp, air-conditioning is stood
Enter the m+1 times defrosting mode.
Step S122, after (n+1)th entrance heating mode of air-conditioning, when preset trigger condition is satisfied, air-conditioning prolongs again
The heating mode of long running Sa durations.
Step S124, during operation Sa time heating modes are extended, whether the real time temperature T for detecting coil pipe reaches
Tp；If so, step S128 is then performed, if it is not, then performing step S126.
Step S126, judges whether air-conditioning has extended the operation heating mode Sa times；If so, step S128 is then performed,
Step S122 is continued executing with if it is not, then returning.
Step S128, immediately enter the m+1 times defrosting program.
Step S113 can include step S114 to step S128 part or all of content in a upper embodiment.
In the control method of the present invention, the 3rd preset time Sa in step S122 can be according to last mean temperature Ts and school
Quasi- mean temperature Tp size determines that its specific calculation formula is：
Sa=c (Ts-Tp)
Wherein, c is calibration factor, and its specific value can be the arbitrary value between 0.5 to 2.Sa is in units of minute
Numerical value, Ts and Tp be by degree Celsius in units of numerical value.That is, as c=1, the unit that Ts is higher by Tp is degree Celsius
Temperature value be that preset trigger condition is satisfied rear air-conditioning and needs to extend the number of minutes of operation.
Specifically, calibration factor c can carry out selection setting according to Ts and Tp difference.As Ts-Tp≤2, calibration factor c
It could be arranged to 1.As Ts-Tp ＞ 2, calibration factor could be arranged to 1.5.Further extend the 3rd of operation the in heating mode
During preset time Sa, regard as meeting dynamic defrosting condition if there is T=Tp, run the m+1 times defrosting journey immediately
Sequence, if T is not up to Tp in the 3rd preset time Sa, treat to enter back into the m+1 times defrosting program after the completion of extension operation.
It that is to say, this control method is next to set by more last mean temperature Ts and calibration mean temperature Tp size
The secondary Dynamic trigger condition into defrosting mode.If last mean temperature Ts is equal to calibration mean temperature Tp, air-conditioning enters next time
The Dynamic trigger condition setting for entering defrosting mode is preset trigger condition.If last mean temperature Ts is less than calibration mean temperature Tp,
Then air-conditioning reaches school into the Dynamic trigger condition setting of defrosting mode for the real time temperature T of coil pipe in a heating mode next time
Quasi- mean temperature Tp.If last mean temperature Ts is more than calibration mean temperature Tp, air-conditioning enters the dynamic of defrosting mode next time
Trigger condition is arranged to preset trigger condition and is satisfied rear air-conditioning extension operation heating mode the 3rd preset time Sa.Further
Ground, if the real time temperature T of the coil pipe of air-conditioning reaches the average temperature of calibration in the 3rd preset time Sa for extending operation heating mode
Tp is spent, then air-conditioning immediately enters defrosting mode next time.
The control method of the present invention is ensured in the maximum average system of entirely heating cycle output by finding optimal defrosting point
Heat.That is to say, control method of the invention can make air-conditioning run defrosting mode in time when heating mode is ineffective,
Extend heating mode run time when heating effect is good, it is possible thereby to obtain more preferably defrosting effect in shorter defrosting time
Fruit, and the heating efficiency of heating mode after defrosting is greatly promoted, extend the efficient heating time, obtain optimal heating effect,
And this control method need not increase the hardware cost of air-conditioning can lift Consumer's Experience.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of control method of air-conditioner defrosting, the air-conditioning has heating mode and the air-conditioning work in the heating mould
Meet the defrosting mode started after preset trigger condition during formula, the control method includes：
When the air-conditioning work is in the heating mode, the coil temperature of indoor heat exchanger is persistently detected；
When the preset trigger condition is satisfied, the air-conditioning switches to the defrosting mode from the heating mode, and unites
Count out the air-conditioning and the time for switching to the defrosting mode is opened into from heating mode this described, the time is referred to as heating mould
Formula time Sy；
When the air-conditioning terminates defrosting, the time of this operation defrosting mode of the air-conditioning is obtained, the time is referred to as removing
White mode time Sc；And
According to the coil temperature, heating mode time Sy and the defrosting mode time Sc, determine that the air-conditioning is next
The secondary Dynamic trigger condition into the defrosting mode.
2. control method according to claim 1, wherein, the coil temperature includes：
The air-conditioning is working in the overall average temperature Ty of the heating mode time Sy inner coil pipe of the heating mode and institute
State air-conditioning when working in the heating mode from the heating mode switch to the defrosting mode before in the second preset time
The last mean temperature Ts of coil pipe；And
When the air-conditioning work is in the heating mode, the real-time temperature of the coil pipe is detected once at interval of the first preset time
Spend T.
3. control method according to claim 2, wherein,
Second preset time is 1 minute, and first preset time is the arbitrary value between 5~15 seconds.
4. control method according to claim 2, in addition to：
According to the overall average temperature Ty and the last mean temperature Ts, the calibration mean temperature Tp of the coil pipe is calculated, and is compared
The last mean temperature Ts and the calibration mean temperature Tp size.
5. control method according to claim 4, wherein,
The calculation formula of the calibration mean temperature Tp is：
Tp=TySy/ (Sy+Sc)+d
Wherein, d is temperature compensation value, and the temperature compensation value is the arbitrary integer between -1 to 2.
6. control method according to claim 4, in addition to：
If the last mean temperature Ts is equal to the calibration mean temperature Tp, the air-conditioning enters the defrosting mode next time
The Dynamic trigger condition be set as the preset trigger condition.
7. control method according to claim 4, in addition to：
If the last mean temperature Ts is less than the calibration mean temperature Tp, the air-conditioning enters the defrosting mode next time
The Dynamic trigger condition be set as that the real time temperature T of the coil pipe reaches the calibration mean temperature Tp.
8. control method according to claim 4, in addition to：
If the last mean temperature Ts is more than the calibration mean temperature Tp, the air-conditioning enters the defrosting mode next time
The Dynamic trigger condition be set as that the preset trigger condition is satisfied the rear air-conditioning and extended and run the heating mode
Up to the 3rd preset time Sa；Wherein
If the real time temperature T of the coil pipe of the air-conditioning is when extend the operation heating mode the described 3rd is default
Between reach the calibration mean temperature Tp in Sa, then the air-conditioning immediately enters the defrosting mode next time.
9. control method according to claim 8, wherein,
The 3rd preset time Sa determines according to the last mean temperature Ts and the calibration mean temperature Tp size.
10. control method according to claim 9, wherein,
The calculation formula of the 3rd preset time Sa is：
Sa=c (Ts-Tp)
Wherein, c is calibration factor, and Sa is the numerical value in units of minute, Ts and Tp be by degree Celsius in units of numerical value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543860.3A CN107449105B (en) | 2017-07-05 | 2017-07-05 | A kind of control method of air-conditioner defrosting |
| PCT/CN2018/094541 WO2019007376A1 (en) | 2017-07-05 | 2018-07-04 | Air conditioner defrosting control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543860.3A CN107449105B (en) | 2017-07-05 | 2017-07-05 | A kind of control method of air-conditioner defrosting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449105A true CN107449105A (en) | 2017-12-08 |
| CN107449105B CN107449105B (en) | 2019-07-02 |
Family
ID=60487704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710543860.3A Active CN107449105B (en) | 2017-07-05 | 2017-07-05 | A kind of control method of air-conditioner defrosting |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107449105B (en) |
| WO (1) | WO2019007376A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007376A1 (en) * | 2017-07-05 | 2019-01-10 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method |
| CN109780683A (en) * | 2019-01-24 | 2019-05-21 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method, device and air-conditioning |
| CN109780684A (en) * | 2019-01-24 | 2019-05-21 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method, device, air-conditioning and storage medium |
| CN110332651A (en) * | 2019-07-25 | 2019-10-15 | 宁波奥克斯电气股份有限公司 | A kind of defrosting control method, device and air conditioner |
| CN110631193A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔空调器有限总公司 | Defrosting control method and device for air conditioner |
| CN110645675A (en) * | 2019-09-23 | 2020-01-03 | 南京天加环境科技有限公司 | Improved defrosting control method for air conditioner |
| CN111189171A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111271905A (en) * | 2020-02-28 | 2020-06-12 | 北京华誉能源技术股份有限公司 | Method for thoroughly defrosting air source heat pump unit |
| CN111306658A (en) * | 2020-03-06 | 2020-06-19 | 宁波德业科技股份有限公司 | Defrosting method of dehumidifier |
| CN111895596A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| WO2020224497A1 (en) * | 2019-05-06 | 2020-11-12 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and apparatus, and air conditioner |
| CN113203185A (en) * | 2021-06-01 | 2021-08-03 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device, computer readable storage medium and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214681A (en) * | 2002-01-22 | 2003-07-30 | Shin Meiwa Ind Co Ltd | Defrosting controller for freezer |
| CN1548864A (en) * | 2003-05-20 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Defrosting control method for air conditioner |
| CN103542651A (en) * | 2013-08-26 | 2014-01-29 | 宁波奥克斯空调有限公司 | Method for controlling heat pump air-conditioning defrosting |
| CN104913455A (en) * | 2015-06-05 | 2015-09-16 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control device and defrosting control terminal for air conditioner |
| CN106679117A (en) * | 2017-01-24 | 2017-05-17 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303185A (en) * | 2008-05-22 | 2008-11-12 | 宁波奥克斯电气有限公司 | Defrosting method for heat pump type air conditioner |
| CN101504181B (en) * | 2009-03-04 | 2011-04-20 | 海信（山东）空调有限公司 | Defrosting method for air conditioner |
| CN102297549B (en) * | 2011-09-15 | 2013-06-12 | 青岛海信日立空调系统有限公司 | Defrosting method for air conditioner |
| JP5830189B1 (en) * | 2015-04-12 | 2015-12-09 | 稲森 總一郎 | Flow-down type ice maker and its operating method |
| CN104791954A (en) * | 2015-04-16 | 2015-07-22 | 广东美的暖通设备有限公司 | Control method and system for defrosting judgment of air conditioner |
| CN107449105B (en) * | 2017-07-05 | 2019-07-02 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioner defrosting |
-
2017
- 2017-07-05 CN CN201710543860.3A patent/CN107449105B/en active Active
-
2018
- 2018-07-04 WO PCT/CN2018/094541 patent/WO2019007376A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214681A (en) * | 2002-01-22 | 2003-07-30 | Shin Meiwa Ind Co Ltd | Defrosting controller for freezer |
| CN1548864A (en) * | 2003-05-20 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Defrosting control method for air conditioner |
| CN103542651A (en) * | 2013-08-26 | 2014-01-29 | 宁波奥克斯空调有限公司 | Method for controlling heat pump air-conditioning defrosting |
| CN104913455A (en) * | 2015-06-05 | 2015-09-16 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control device and defrosting control terminal for air conditioner |
| CN106679117A (en) * | 2017-01-24 | 2017-05-17 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007376A1 (en) * | 2017-07-05 | 2019-01-10 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method |
| CN110631193A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔空调器有限总公司 | Defrosting control method and device for air conditioner |
| CN111189171A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111189171B (en) * | 2018-11-14 | 2022-04-19 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN109780683A (en) * | 2019-01-24 | 2019-05-21 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method, device and air-conditioning |
| CN109780684A (en) * | 2019-01-24 | 2019-05-21 | 青岛海尔空调电子有限公司 | A kind of air conditioning control method, device, air-conditioning and storage medium |
| CN109780683B (en) * | 2019-01-24 | 2022-02-18 | 青岛海尔空调电子有限公司 | Air conditioner control method and device and air conditioner |
| CN109780684B (en) * | 2019-01-24 | 2022-06-24 | 青岛海尔空调电子有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN111895596A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| WO2020224497A1 (en) * | 2019-05-06 | 2020-11-12 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and apparatus, and air conditioner |
| CN110332651A (en) * | 2019-07-25 | 2019-10-15 | 宁波奥克斯电气股份有限公司 | A kind of defrosting control method, device and air conditioner |
| CN110645675B (en) * | 2019-09-23 | 2021-02-02 | 南京天加环境科技有限公司 | Improved defrosting control method for air conditioner |
| CN110645675A (en) * | 2019-09-23 | 2020-01-03 | 南京天加环境科技有限公司 | Improved defrosting control method for air conditioner |
| CN111271905A (en) * | 2020-02-28 | 2020-06-12 | 北京华誉能源技术股份有限公司 | Method for thoroughly defrosting air source heat pump unit |
| CN111306658A (en) * | 2020-03-06 | 2020-06-19 | 宁波德业科技股份有限公司 | Defrosting method of dehumidifier |
| CN113203185A (en) * | 2021-06-01 | 2021-08-03 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device, computer readable storage medium and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107449105B (en) | 2019-07-02 |
| WO2019007376A1 (en) | 2019-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107449105A (en) | A kind of control method of air-conditioner defrosting | |
| CN108204657B (en) | Operation control method, operation control device, air conditioner and computer readable storage medium | |
| CN104251538B (en) | Air conditioner and its control method and control device | |
| CN105135629B (en) | Air conditioner defrosting control method and air conditioner | |
| CN107543287B (en) | Air conditioner and control method thereof | |
| CN110017583B (en) | Air conditioner and defrosting control method thereof | |
| CN109323368B (en) | Air conditioner and defrosting method and device thereof | |
| CN108195027A (en) | Defrosting control method, air conditioner and the computer readable storage medium of air conditioner | |
| CN105258295B (en) | The condensation prevention control method and device of air conditioner | |
| CN105387665B (en) | A kind of defrosting control method with air source heat pump comprehensive performance most preferably target | |
| CN105091449B (en) | The defrosting control method of refrigerator | |
| CN103940163B (en) | Defrosting control method and defrosting control device | |
| CN106500267B (en) | The defrosting control method and its control device of air conditioner | |
| CN109237727A (en) | defrosting control method for air conditioner | |
| CN105674496A (en) | Defrosting method for air conditioner | |
| CN105588267A (en) | Defrosting control method and device for automatically detecting frost quantity of heat pump system | |
| CN108361955B (en) | Method for preventing condensation by self-cleaning and air conditioner | |
| CN104654685B (en) | The defrosting control method and device of heat pump | |
| CN110749037B (en) | Automatic cleaning method and device for evaporator of air conditioner | |
| CN107014035B (en) | Defrosting control method and device of air conditioner | |
| CN108917094A (en) | A kind of defrosting control method, device and air conditioner | |
| WO2022222940A1 (en) | Air conditioning unit and defrosting control method therefor | |
| CN109163416A (en) | A kind of defrosting control method and device, equipment of equipment | |
| CN108151232B (en) | Operation control method, operation control device, air conditioner and computer readable storage medium | |
| CN104807146A (en) | Anti-freezing protection detection method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |