CN102901182B - Defrosting method for air conditioner - Google Patents
Defrosting method for air conditioner Download PDFInfo
- Publication number
- CN102901182B CN102901182B CN201210393501.1A CN201210393501A CN102901182B CN 102901182 B CN102901182 B CN 102901182B CN 201210393501 A CN201210393501 A CN 201210393501A CN 102901182 B CN102901182 B CN 102901182B
- Authority
- CN
- China
- Prior art keywords
- defrosting
- defrost
- time
- temperature
- preset time
- 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.)
- Active
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a defrosting method for an air conditioner. The defrosting method comprises the following steps of: 10, electrifying the air conditioner for running and heating; 20, judging, namely (A) judging whether the outdoor environmental temperature is smaller than and equal to first preset temperature, (B) judging whether continuous running time of a heating compressor reaches first preset time, and judging whether accumulative running time reaches second preset time, (C) judging whether the continuous running time of the heating compressor reaches third preset time, and making accumulative running time reach fourth preset time, (D) judging whether the temperature of a defrosting sensor Te or Tc is smaller tan and equal to second preset temperature, keeping the temperature for fifth preset time, and making the accumulative running time reach sixth preset time, and (E) judging whether to defrost manually; and 30, determine to perform timing defrost, automatically defrost, manually defrost or not defrost according to a judging result obtained in the step 20. By the scheme, the problems that when the air conditioner is used for heating, a heating effect is influenced due to a relatively long defrosting period, and the air conditioner cannot defrost, or defrosts after a long time because the environmental temperature is relatively low can be solved.
Description
Technical field
The present invention relates to a kind of Defrost method and defrost system thereof, more specifically, relate to a kind of Defrost method of air-conditioning.
Background technology
Air-conditioning is when heating operation, do not reach defrosting condition at short notice when frosting on condenser, or air-conditioning is when low temperature environment heats, namely less than 7 DEG C time, air-conditioning does not enter again defrosting or the long period just enters defrosting, now, because condenser frosting is thicker, the heat transfer effect of condenser is poor, and people can feel uncomfortable.
Generally adopt defrost sensor to control for prior art, after defrost sensor reaches the temperature value of regulation, machine enters defrosting.Control air-conditioner defrosting with defrost sensor, there will be the inaccurate situation of following several control:
1, defrost sensor resistance is inaccurate or break down, and do not have frosting with regard to there will be air-conditioning and defrost, this situation is false defrosting phenomenon, or air-conditioning frosting is very thick and do not carry out situation about defrosting.
2, when environment temperature is not too low but humidity ratio is larger, condenser frosting, but the temperature that defrost sensor detects does not reach defrosting condition, and air-conditioning does not defrost.
3, when environment temperature is very low but humidity is smaller, when condenser does not have a frosting, but the temperature that defrost sensor detects reaches defrosting condition, and air-conditioning carries out vacation defrosting.
Based on foregoing description, need badly and want a kind of reasonably Defrost method, in order to solve air-conditioning when heating, defrosting cycle is longer, affect heating effect, or defrost sensor resistance is inaccurate or when breaking down, occur air-conditioning there is no frosting and defrost or air-conditioning frosting very thick and do not carry out situation about defrosting, and environment temperature is lower, air-conditioning does not enter defrosting or the long period just enters the problem of defrosting.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of Defrost method and defrost system thereof of air-conditioning, the method can manually defrost, time defrosting or automatic defrosting, solve air-conditioning when heating, defrosting cycle is longer, affect heating effect, or defrost sensor resistance is inaccurate or when breaking down, occur air-conditioning there is no frosting and defrost or air-conditioning frosting very thick and do not carry out situation about defrosting, and environment temperature is lower, air-conditioning does not enter defrosting or the long period just enters the problem of defrosting, can improve heating effect.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A Defrost method for air-conditioning, comprises the following steps:
S10: power-on of air conditioner runs and heats;
S20: carry out following 5 kinds of judgements:
A, judge whether outdoor environment temperature is less than or equal to the first preset temperature;
B, judgement heat compressor continuous operation time and whether arrive the first preset time, and whether the running cumulative time arrives the second preset time;
C, judgement heat compressor continuous operation time and whether arrive the 3rd preset time, and running is accumulated to the 4th preset time;
D, judge whether the temperature of defrost sensor Te or Tc is less than or equal to the second preset temperature, and continue the 5th preset time, the duration of runs adds up to be the 6th preset time;
E, whether select manual defrosting;
S30: decide to enter which kind of defrosting mode following according to the judged result of S20,
If the judged result of A is yes, and the judged result of B is yes, then judge whether manually defrosting, if do not have, then enters time defrosting process;
If the judged result of C is yes, and the judged result of D is yes, then judge whether manually defrosting, if do not have, then enters automatic defrosting process;
If the judged result of E is yes, then enter manual defrost process;
If above-mentioned condition does not meet, then do not defrost.
As preferably, the value of the first preset temperature is 7 DEG C; The value of the first preset time is 10min, and the value of the second preset time is 50min.
As preferably, the value of the 3rd preset time is 10min, and the value of the 4th preset time is 45min; The value of the second preset temperature is-15 DEG C, and the value of the 5th preset time is 5min, and the value of the 6th preset time is 90min.
As preferably, the exit criteria of time defrosting pattern is: after defrosting time reaches the fixed value pre-set, and stops defrosting.
As preferably, the exit criteria of automatic defrosting pattern is: the temperature judging defrost sensor, if temperature is greater than 7 DEG C, and the cumulative time is more than 60s, or reaches 12 DEG C of accumulative 30s, stops defrosting.
As preferably, the exit criteria of manual defrosting mode is: defrost sensor Te or Tc has a temperature to reach more than 12 DEG C to continue 1min or defrosting time is greater than 10min, stop defrosting.
As preferably, in manual defrosting mode, indoor set is sent by remote control mode and forces defrosting signal.
As preferably, in manual defrosting mode, indoor set is sent by line traffic control mode and forces defrosting signal.
Beneficial effect of the present invention is, because the present invention can realize manual Defrost mode, time defrosting mode or automatic defrosting mode, so can according to external environment needs, select different Defrost modes, and when not reaching time defrosting and automatic defrosting condition, manually can defrost at any time, so defrosting can be made more reasonable, more convenient, finally reach comfortable heating effect.When frosting on condenser but when not reaching defrosting condition at short notice, manually can force the measure defrosted, reach the object improving heating effect.Air-conditioning when low temperature environment heats, namely less than 7 DEG C time, air-conditioning does not enter again defrosting or long period when just entering defrosting, by the measure of time defrosting, can reach the object improving heating effect.When manually defrosting, carrying out defrosting judge with two sensors, namely condensation temperature sensor Tc or defrosting temperature sensor Te has a temperature to reach 12 DEG C more than to continue 1min or defrosting time is greater than 10min, stop defrosting.Carry out defrosting with two sensors herein to judge, avoid, because resistance is inaccurate or the bad detection mistake caused of sensor, being equivalent to add reliability.And when manually defrosting, carry out defrost control by remote control mode or the external machine of line traffic control mode, more convenient.
Accompanying drawing explanation
Fig. 1 is the control flow chart of a kind of embodiment provided by the invention;
Fig. 2 is the structured flowchart of air conditioner defrosting system provided by the invention.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Fig. 1 is the control flow chart of a kind of embodiment provided by the invention.The Defrost method of this air-conditioning comprises the following steps:
S10: power-on of air conditioner runs and heats;
S20: carry out following 5 kinds of judgements:
A, judge whether outdoor environment temperature is less than or equal to 7 DEG C;
B, judgement heat compressor continuous operation time and whether arrive 10min, and whether the running cumulative time arrives 50min;
C, judgement heat compressor continuous operation time and whether arrive 10min, and running is accumulated to 45min;
D, judge whether the temperature of defrost sensor Te or Tc is less than or equal to-15 DEG C, and continue 5min, the duration of runs adds up as 90min;
E, whether select manual defrosting;
S30: decide to enter which kind of defrosting mode following according to the judged result of S20,
If the judged result of A is yes, and the judged result of B is yes, then judge whether manually defrosting, if do not have, then enters time defrosting process;
If the judged result of C is yes, and the judged result of D is yes, then judge whether manually defrosting, if do not have, then enters automatic defrosting process;
If the judged result of E is yes, then enter manual defrost process;
If above-mentioned condition does not meet, then do not defrost.
Concrete, the beginning condition of manually defrosting is: off-premises station starting to force defrosting running after heating in running and (comprising temperature detector OFF) and receive pressure defrosting signal that indoor set sends.Indoor set forces defrosting signal to send by remote control mode and line traffic control mode two kinds of modes.
Remote control mode is: off-premises station heats or under stopped status, sets high wind, 30 DEG C, and press sleep key 6 times, buzzer rings 3 sound, and enter manual defrosting, Defrost mode is identical with Defrost mode under normal circumstances.
Line traffic control mode is: after receiving line control machine pressure defrosting signal, enter defrosting.
When off-premises station press is not opened, still can enter manual defrosting, but the rule of press shutdown in 3 minutes will be followed.
Manual defrosting termination condition is: condensation temperature sensor Tc or defrosting temperature sensor Te has a temperature to reach more than 12 DEG C lasting 1min or defrosting time is greater than 10min, stops defrosting.Carry out defrosting with two sensors herein to judge, avoid, because resistance is inaccurate or the bad detection mistake caused of sensor, being equivalent to add reliability.The manual defrosting signal of indoor set remains into after off-premises station enters defrosting always to be eliminated.
Concrete, time defrosting controls to need to be arranged by outer machine computer board dial-up, and namely power-on of air conditioner enters time defrosting pattern after running and heating.Outdoor environment temperature is stored in memory, when outdoor environment temperature is lower than 7 DEG C, work by following time defrosting mode: heat compressor and to operate continuously 10min (value is put in memory) and after the accumulative 50min (value is put in memory) of running, then entering defrosting running.After defrosting time reaches the fixed value pre-set, exit time defrosting mode.
Concrete, the automatic defrosting condition of starting is:
Thermocompressor operates 10min and after the accumulative 45min of running continuously, by detecting condensation temperature sensor Tc or defrosting temperature sensor Te (detecting the frosting situation of heat exchanger of outdoor unit) and outdoor ring temperature sensor TA, when continuous 5min meets the following conditions, enter defrosting running:
Te≤C × TA-α or Tc≤C × TA-α
What prevent from causing because cold medium shortage or other reasons cause separatory uneven does not defrost, and two entry conditions, as long as one meets and just can enter defrosting.
Wherein: C:TA < 0 DEG C, C=0.8TA >=0 DEG C, C=0.6
Select to be set as follows according to selector switch SW2: in the place of easy frosting, be set as H, when dispatching from the factory, be set as M.
| Jumper is selected | M (factory setting) | H |
| α(℃) | 8(E) | 6(E) |
That defrosts enters temperature limiting 1:-15 DEG C≤C × TA-α≤-2 DEG C
That defrosts enters temperature limiting 2:C × TA-α <-15 DEG C
Meet sensor Te≤-15 DEG C lasting 5min, the duration of runs adds up 90min and enter defrosting.
After defrosting running starts, terminate through the longest 10min running.Detect heat exchanger of outdoor unit defrosting situation by Te, this temperature cumulative time more than 7 DEG C more than 60s or reach 12 DEG C of accumulative 30s, terminates defrosting running.
Fig. 2 is the structured flowchart of air conditioner defrosting system provided by the invention, and defrost system comprises temperature detecting unit, time calculating unit, main control unit and defrosting mode selection unit thereof.
Temperature detecting unit is used for detecting extraneous environment temperature and heat exchanger of outdoor unit frosting situation, this unit comprises outdoor ring temperature sensor TA, condensation temperature sensor Tc or defrosting temperature sensor Te, wherein outdoor ring temperature sensor TA is used for detecting extraneous environment temperature, and condensation temperature sensor Tc or defrosting temperature sensor Te is used for detecting heat exchanger of outdoor unit frosting situation.Carry out defrosting with two sensors herein to judge, avoid, because resistance is inaccurate or the bad detection mistake caused of sensor, being equivalent to add reliability.The manual defrosting signal of indoor set remains into after off-premises station enters defrosting always to be eliminated.
Time calculating unit is used for calculating and heats the time and running cumulative time that compressor operates continuously, concrete, the accumulation of described compressor can utilize the CPU in air-conditioning system in master board to carry out timing realization while control compressor operation the duration of runs, and detected value is put in memory.
The data that main control unit detects temperature detecting unit and the data that time calculating unit detects are resolved, in the present embodiment, main control unit is selected CPU (full name is Central Processing Unit, namely central processing unit), main control unit also can be ARM embedded system, or DSP etc.After main control unit is resolved data, and analysis result is sent to defrosting mode selection unit in the form of a signal.
Defrosting mode selection unit, carries out the selection of defrosting mode according to the analysis result of main control unit, if analysis result is for carrying out time defrosting, then sends time defrosting instruction to defrosting performance element, carry out time defrosting to the heat exchanger in off-premises station; If analysis result is automatic defrosting, then sends automatic defrosting instruction to defrosting performance element, automatic defrosting is carried out to the heat exchanger in off-premises station.Simultaneously, defrosting mode selection unit also receives the pressure defrosting signal that indoor set sends, indoor set forces defrosting signal to send by remote control mode and line traffic control mode two kinds of modes, when after the pressure defrosting signal receiving indoor set transmission, starts manually to defrost running.Can manually be defrosted by manual operation at any time, very convenient.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (8)
1. a Defrost method for air-conditioning, is characterized in that, comprises the following steps:
S10: power-on of air conditioner runs and heats;
S20: carry out following 5 kinds of judgements:
A, judge whether outdoor environment temperature is less than or equal to the first preset temperature;
B, judgement heat compressor continuous operation time and whether arrive the first preset time, and whether the running cumulative time arrives the second preset time;
C, judgement heat compressor continuous operation time and whether arrive the 3rd preset time, and running is accumulated to the 4th preset time;
D, judge whether the temperature of defrost sensor Te or Tc is less than or equal to the second preset temperature, and continue the 5th preset time, the duration of runs adds up to be the 6th preset time;
E, whether select manual defrosting;
S30: decide to enter which kind of defrosting mode following according to the judged result of S20,
If the judged result of A is yes, and the judged result of B is yes, then judge whether manually defrosting, if do not have, then enters time defrosting process;
If the judged result of C is yes, and the judged result of D is yes, then judge whether manually defrosting, if do not have, then enters automatic defrosting process;
If the judged result of E is yes, then enter manual defrost process;
If above-mentioned condition does not meet, then do not defrost.
2. the Defrost method of air-conditioning according to claim 1, is characterized in that, the value of the first preset temperature is 7 DEG C; The value of the first preset time is 10min, and the value of the second preset time is 50min.
3. the Defrost method of air-conditioning according to claim 1, is characterized in that, the value of the 3rd preset time is 10min, and the value of the 4th preset time is 45min; The value of the second preset temperature is-15 DEG C, and the value of the 5th preset time is 5min, and the value of the 6th preset time is 90min.
4. the Defrost method of the air-conditioning according to any one of claims 1 to 3, is characterized in that, the exit criteria of time defrosting pattern is: after defrosting time reaches the fixed value pre-set, and stops defrosting.
5. the Defrost method of the air-conditioning according to any one of claims 1 to 3, is characterized in that, the exit criteria of automatic defrosting pattern is: the temperature judging defrost sensor, if temperature is greater than 7 DEG C, and the cumulative time is more than 60s, or reach 12 DEG C of accumulative 30s, stop defrosting.
6. the Defrost method of the air-conditioning according to any one of claims 1 to 3, it is characterized in that, the exit criteria of manual defrosting mode is: defrost sensor Te or Tc has a temperature to reach more than 12 DEG C lasting 1min or defrosting time is greater than 10min, stops defrosting.
7. the Defrost method of the air-conditioning according to any one of claims 1 to 3, is characterized in that, in manual defrosting mode, indoor set is sent by remote control mode and forces defrosting signal.
8. the Defrost method of the air-conditioning according to any one of claims 1 to 3, is characterized in that, in manual defrosting mode, indoor set is sent by line traffic control mode and forces defrosting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393501.1A CN102901182B (en) | 2012-10-16 | 2012-10-16 | Defrosting method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393501.1A CN102901182B (en) | 2012-10-16 | 2012-10-16 | Defrosting method for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102901182A CN102901182A (en) | 2013-01-30 |
| CN102901182B true CN102901182B (en) | 2015-06-03 |
Family
ID=47573562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210393501.1A Active CN102901182B (en) | 2012-10-16 | 2012-10-16 | Defrosting method for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102901182B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312946A (en) * | 2016-06-21 | 2019-02-05 | 三菱电机株式会社 | Defrosting judges equipment, defrosting control equipment and air conditioner |
| CN112050377A (en) * | 2019-06-07 | 2020-12-08 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363759B (en) * | 2013-08-01 | 2016-04-13 | 合肥美的电冰箱有限公司 | Refrigerator defrosting method and system |
| CN104422216B (en) * | 2013-08-28 | 2017-03-22 | 海尔集团公司 | Method for defrosting an air conditioning system |
| CN104422215B (en) * | 2013-08-28 | 2019-04-19 | 海尔集团公司 | The Defrost method of air-conditioning system and air-conditioning system |
| CN103411290B (en) * | 2013-08-30 | 2016-04-06 | 海信（山东）空调有限公司 | Air-conditioner and defrosting control method thereof |
| CN104633835A (en) * | 2013-11-14 | 2015-05-20 | 珠海格力电器股份有限公司 | Defrosting control method for air conditioner |
| CN103940036A (en) * | 2014-03-31 | 2014-07-23 | 广东美的集团芜湖制冷设备有限公司 | Method for controlling defrosting of air conditioner |
| CN104503511A (en) * | 2014-12-31 | 2015-04-08 | 博耐尔汽车电气系统有限公司 | Controller for frosting test of air conditioner |
| CN105571223B (en) * | 2016-02-29 | 2018-07-27 | 青岛海尔空调器有限总公司 | Fixed frequency air conditioner Defrost method |
| CN106765868B (en) * | 2016-11-17 | 2019-04-09 | 珠海格力电器股份有限公司 | The defrosting control method and device of air-conditioning system |
| CN107014035B (en) * | 2017-03-29 | 2020-07-07 | 青岛海尔空调电子有限公司 | Defrosting control method and device of air conditioner |
| CN107084491B (en) * | 2017-04-28 | 2020-05-29 | 青岛海尔空调器有限总公司 | Control method and device for electric heater of air conditioner outdoor unit |
| CN110131836B (en) * | 2018-02-09 | 2022-03-15 | 开利公司 | Defrosting control method and heat pump system |
| CN109442854B (en) * | 2018-10-17 | 2020-10-09 | 湖北美的电冰箱有限公司 | Defrosting control method and device |
| CN109405184A (en) * | 2018-10-29 | 2019-03-01 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner defrosting control method and air conditioner |
| CN109489181A (en) * | 2018-11-19 | 2019-03-19 | 泰豪科技股份有限公司 | A kind of control circuit and dehumidifier |
| CN110017569B (en) * | 2019-04-15 | 2019-12-10 | 宁波工程学院 | Control method of defrosting mode of air conditioner, computer readable storage medium and air conditioner |
| CN111895597B (en) * | 2019-05-06 | 2022-07-19 | 武汉海尔电器股份有限公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111306854A (en) * | 2020-03-05 | 2020-06-19 | 浙江中广电器股份有限公司 | Defrosting control method, processor and air source heat pump system |
| CN112682907A (en) * | 2020-12-14 | 2021-04-20 | 珠海格力电器股份有限公司 | Air conditioner, heat pipe defrosting control method, computer equipment, medium and terminal |
| CN112944593B (en) * | 2021-02-19 | 2023-03-28 | 青岛海尔空调电子有限公司 | Air conditioner and defrosting control method thereof |
| CN115235044A (en) * | 2021-04-23 | 2022-10-25 | 美的集团武汉暖通设备有限公司 | Defrosting control method, storage medium and air conditioner |
| CN113513824B (en) * | 2021-05-11 | 2022-11-25 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04268179A (en) * | 1991-02-21 | 1992-09-24 | Fujitsu General Ltd | Device for control of defrosting of air conditioner |
| CN1892131A (en) * | 2005-07-07 | 2007-01-10 | 乐金电子(天津)电器有限公司 | Air-conditioner and its defrosting control method |
| CN101251323A (en) * | 2008-03-26 | 2008-08-27 | 四川长虹电器股份有限公司 | Control method for defrosting of splitting heat pump air conditioner |
| CN101737867A (en) * | 2008-11-17 | 2010-06-16 | 三菱电机株式会社 | Air-conditioning apparatus |
| CN101832644A (en) * | 2010-05-31 | 2010-09-15 | 宁波海诚电器有限公司 | Air energy water heater and defrosting method thereof |
| JP2011214744A (en) * | 2010-03-31 | 2011-10-27 | Corona Corp | Hot water heating device |
| CN102331068A (en) * | 2011-05-24 | 2012-01-25 | 宁波奥克斯电气有限公司 | Defrosting method of air conditioner |
| JP2012047423A (en) * | 2010-08-30 | 2012-03-08 | Fujitsu General Ltd | Air conditioner |
-
2012
- 2012-10-16 CN CN201210393501.1A patent/CN102901182B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04268179A (en) * | 1991-02-21 | 1992-09-24 | Fujitsu General Ltd | Device for control of defrosting of air conditioner |
| CN1892131A (en) * | 2005-07-07 | 2007-01-10 | 乐金电子(天津)电器有限公司 | Air-conditioner and its defrosting control method |
| CN101251323A (en) * | 2008-03-26 | 2008-08-27 | 四川长虹电器股份有限公司 | Control method for defrosting of splitting heat pump air conditioner |
| CN101737867A (en) * | 2008-11-17 | 2010-06-16 | 三菱电机株式会社 | Air-conditioning apparatus |
| JP2011214744A (en) * | 2010-03-31 | 2011-10-27 | Corona Corp | Hot water heating device |
| CN101832644A (en) * | 2010-05-31 | 2010-09-15 | 宁波海诚电器有限公司 | Air energy water heater and defrosting method thereof |
| JP2012047423A (en) * | 2010-08-30 | 2012-03-08 | Fujitsu General Ltd | Air conditioner |
| CN102331068A (en) * | 2011-05-24 | 2012-01-25 | 宁波奥克斯电气有限公司 | Defrosting method of air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312946A (en) * | 2016-06-21 | 2019-02-05 | 三菱电机株式会社 | Defrosting judges equipment, defrosting control equipment and air conditioner |
| CN109312946B (en) * | 2016-06-21 | 2020-10-16 | 三菱电机株式会社 | Defrosting judgment device, defrosting control device, and air conditioner |
| CN112050377A (en) * | 2019-06-07 | 2020-12-08 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102901182A (en) | 2013-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102901182B (en) | Defrosting method for air conditioner | |
| CN101504181B (en) | Defrosting method for air conditioner | |
| CN110762747B (en) | Defrosting control method of air conditioner | |
| CN107514746B (en) | Defrosting control method, defrosting control device, air conditioner and computer readable storage medium | |
| CN108444034B (en) | Anti-freezing control method for indoor unit of air conditioner and air conditioner | |
| CN110057046B (en) | Air conditioner and defrosting control method thereof | |
| CN107906808B (en) | Method and device for controlling defrosting of air conditioner | |
| CN107101346B (en) | Outdoor fan control method, air conditioner, and computer-readable storage medium | |
| CN105004000A (en) | Defrosting control method in heating operation of variable frequency air conditioner | |
| CN102425839B (en) | A kind of pressure defrosting control method of air-conditioner | |
| CN103940163A (en) | Defrosting control method and device | |
| CN106765950A (en) | The control method of air-conditioning heating system, control device and air-conditioner | |
| US11333379B2 (en) | Air conditioner controlling method and apparatus and air conditioner having the same | |
| CN107120796B (en) | Defrosting control method for air conditioner | |
| CN102012138A (en) | Air conditioner and method for controlling same to defrost | |
| CN108397876A (en) | The detection method and device of air conditioner coolant state | |
| CN105972758B (en) | Defrosting control method, defrosting control device and the air conditioner of air conditioner | |
| CN106440585A (en) | Intelligent comprehensive defrosting device for air source heat pump unit and implementation method of intelligent comprehensive defrosting device | |
| CN112050375A (en) | Control method and control device for defrosting of air conditioner and air conditioner | |
| CN112524747A (en) | Defrosting control method of air conditioner, indoor unit of air conditioner and air conditioner remote controller | |
| CN110836439A (en) | Defrosting control method for air conditioner | |
| CN113154636B (en) | Air conditioner defrosting control method and device, storage medium and air conditioner | |
| CN113883657B (en) | Air conditioner external coil temperature sensor falling control method and air conditioner | |
| CN111895591B (en) | Control method and device for defrosting of air conditioner and air conditioner | |
| CN111609518B (en) | Control method for air conditioner and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |