CN108444047A - Air conditioner defrosting control method - Google Patents
Air conditioner defrosting control method Download PDFInfo
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- CN108444047A CN108444047A CN201810152014.3A CN201810152014A CN108444047A CN 108444047 A CN108444047 A CN 108444047A CN 201810152014 A CN201810152014 A CN 201810152014A CN 108444047 A CN108444047 A CN 108444047A
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- current value
- air conditioner
- outdoor fan
- defrosting
- control method
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to air conditioner technical fields, and in particular to a kind of air conditioner defrosting control method.In order to more accurately judge that the opportunity into defrosting, defrosting control method of the invention include：In the case of air conditioner is in heating condition, the real-time current value of outdoor fan is detected；Compare the real-time current value of outdoor fan and selected the first standard current value, the second standard current value and third standard current value；Judged whether that air conditioner is made to enter defrosting mode according to comparison result；Wherein, the first standard current value is the current value of the outdoor fan that is measured in the state of outdoor unit non-frosting under different rotating speeds；Second standard current value is the current value of the outdoor fan that is measured in the state of outdoor machine part frosting under different rotating speeds；Third standard current value is the current value of the outdoor fan that is measured in the state of outdoor unit complete frosting under different rotating speeds.The present invention's can more accurately select defrosting opportunity, reduce the defrosting number of air conditioner, promote user experience.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of air conditioner defrosting control method.
Background technology
Air conditioner as a kind of equipment that can adjust indoor environment temperature, its working principle is that：It is being followed by refrigerant
Between endless tube road by the state of high voltage/low voltage/gaseous state/liquid convert make indoor environment temperature reduce or increase, i.e., from
From the perspective of indoor unit, air conditioner is in refrigeration or heating condition.When air conditioner heat-production is run, in certain humidity item
If outdoor coil temperature is too low to lead to frosting situation under part, and outdoor coil pipe used frosting can cause the heat exchange of outdoor heat exchanger to be imitated
Rate reduces, and influences the heating effect of air conditioner, reduces the comfort of indoor environment, influence user experience.Therefore, at air conditioner
In the case of heating condition, the outdoor coil pipe used progress to air conditioner is needed effectively to defrost in time.
Existing technical solution is typically that the degree of outdoor coil pipe used frosting is judged by humidity and outdoor coil temperature, then
It is operated according to corresponding defrosting is carried out the case where outdoor coil pipe used frosting.But it is this judge frosting mode require it is outdoor coil pipe used
The accuracy of sensor is very high, and just more accurate well in outdoor heat exchanger shunting, once outdoor heat exchanger
Shunt it is bad, outdoor coil pipe used sensor be then unable to judge accurately the roads Chu Mei shunting evaporating temperature (outdoor coil pipe used sensor is only
It may determine that the evaporating temperature shunted all the way).In this case, it is easy to happen following scenario described：It is outdoor coil pipe used actually
There is the case where frosting, but outdoor coil pipe used temperature is higher, to can not accurately control defrosting, causes to have frost not
Change or the sordid situation of defrost.In consideration of it, suitable defrosting opportunity is selected to seem most important.
Therefore, the present invention proposes a kind of new defrosting control method.
Invention content
In order to solve the above problem in the prior art, in order to more accurately judge the opportunity into defrosting, the present invention
A kind of air conditioner defrosting control method is proposed, which includes the following steps：It is in heating condition in air conditioner
In the case of, detect the real-time current value of outdoor fan；Compare the real-time current value of outdoor fan and the first selected standard electric
Flow valuve, the second standard current value and third standard current value；Judged whether that air conditioner is made to enter defrosting mode according to comparison result；
Wherein, first standard current value is the electricity of the outdoor fan that is measured in the state of outdoor unit non-frosting under different rotating speeds
Flow valuve；Second standard current value is the outdoor fan that is measured in the state of outdoor machine part frosting under different rotating speeds
Current value；The third standard current value is the outdoor fan that is measured in the state of outdoor unit complete frosting under different rotating speeds
Current value.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the first selected standard current value,
Two standard current values and third standard current value are respectively mark of the outdoor fan under current rotating speed, under different frosting states
Quasi- current value.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " judged whether to make air-conditioning according to comparison result
Device enters defrosting mode " the step of specifically include：If the real-time current value of the outdoor fan is more than or equal to selected first
Standard current value then makes the air conditioner maintain current heating condition, does not enter defrosting mode.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " judged whether to make air-conditioning according to comparison result
Device enters defrosting mode " the step of specifically include：If the real-time current value of the outdoor fan is less than the first selected standard
Current value, and be more than or equal to the second standard current value, then so that the air conditioner is maintained current heating condition, while increasing air conditioner
Throttle valve opening, do not enter defrosting mode.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " judged whether to make air-conditioning according to comparison result
Device enters defrosting mode " the step of specifically include：If the real-time current value of the outdoor fan is less than the second selected standard
Current value, and more than or equal to selected third standard current value, then so that the air conditioner is maintained current heating condition, and in air-conditioning
On the basis of the throttle valve opening of device is increased, the frequency of compressor is reduced, defrosting mode is not entered.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " judged whether to make air-conditioning according to comparison result
Device enters defrosting mode " the step of specifically include：If the real-time current value of the outdoor fan is less than selected third standard
Current value then makes the air conditioner enter defrosting mode.
It is described " throttle valve opening for increasing air conditioner " in the preferred embodiment of above-mentioned air conditioner defrosting control method
Specially：By the step number of throttle valve opening increase setting.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " frequency for reducing compressor " is specific
For：Compression frequency is reduced to the setting percentage of original frequency.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the defrosting control method, which further includes judgement, is
No the step of exiting defrosting mode, the step include：After the air conditioner enters defrosting mode, compare the reality of outdoor fan
When current value and the first selected standard current value；Judged whether that air conditioner is made to exit defrosting mode according to comparison result.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " judged whether to make air-conditioning according to comparison result
Device exits defrosting mode " the step of include：If the real-time current value of the outdoor fan is more than or equal to the first selected standard
Current value then exits defrosting mode.
In the inventive solutions, it is sent out with the variation of outdoor coil pipe used frosting degree according to the electric current of outdoor fan
The rule for changing judges outdoor coil pipe used frosting degree.Specifically, the present invention is by by the real-time current value of outdoor fan
It is compared respectively with the first selected standard current value, the second selected standard current value, selected third standard current value,
It can accurately judge outdoor coil pipe used current frosting state according to comparison result, and then according to outdoor coil pipe used frosting state
Execute corresponding operation, such as increase throttle valve opening, reduce compressor operating frequency etc., until the real-time current of outdoor fan
When value is less than selected third standard current value, illustrates that outdoor coil pipe used frosting degree is larger, air conditioner is made to enter defrosting at this time
Pattern.As it can be seen that the present invention's can more accurately select defrosting opportunity, and effectively eliminates and use outdoor disk in the prior art
Tube temperature degree judges limitation when frosting degree, reduces the defrosting number of air conditioner, promotes user experience.
Description of the drawings
Fig. 1 is the broad flow diagram of the air conditioner defrosting control method of the present invention；
Fig. 2 is the detail flowchart of the air conditioner defrosting control method of the present invention.
Specific implementation mode
To keep the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to the skill of the present invention
Art scheme is clearly and completely described, it is clear that and the embodiment described is a part of the embodiment of the present invention, rather than all
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining the technical principle of the present invention, and
It is not intended to be limiting protection scope of the present invention.For example, although the method for the present invention is described in the application according to particular order
Each step, but these are not sequentially restrictive, under the premise of without departing from the basic principle of the present invention, this field skill
Art personnel can execute the step in a different order.
The prior art mainly judges outdoor coil pipe used frosting degree by outdoor coil temperature, but such as background technology
Described, this mode is easy to be influenced by factors such as shunting and sensor accuracies so that is sentenced using outdoor coil temperature
With certain limitation when disconnected frosting degree.Air conditioner defrosting control method proposed by the present invention is intended to eliminate using outdoor disk
Tube temperature degree judges limitation when frosting degree, and more accurately judges the opportunity for entering defrosting.
Referring to Fig.1, Fig. 1 is the broad flow diagram of the air conditioner defrosting control method of the present invention.As shown in Figure 1, of the invention
Defrosting control method include the following steps：S110, in the case of air conditioner is in heating condition, detect the reality of outdoor fan
When current value；S120, the real-time current value for comparing outdoor fan and the first selected standard current value, the second standard current value and
Third standard current value；S130, judged whether that air conditioner is made to enter defrosting mode according to comparison result.Wherein, the first standard electric
Flow valuve is the current value of the outdoor fan that is measured in the state of outdoor unit non-frosting under different rotating speeds；Second standard current value
It is the current value of the outdoor fan that is measured in the state of outdoor machine part frosting under different rotating speeds；Third standard current value is
Current value of the outdoor fan measured in the state of outdoor unit complete frosting under different rotating speeds.It should be noted that this hair
Bright " complete frosting " is not to say that 100% frosting, specific ratio can be set as needed by those skilled in the art, preferably
Ground, the frosting degree between 80%-90% all calculate complete frosting.
As outdoor coil pipe used frosting degree is increasing, windage is caused to gradually increase, into the air quantity meeting of outdoor fan
It correspondingly reduces, when windage increases, the load of outdoor fan correspondingly increases, and the electric current of outdoor fan reduces therewith.Change speech
It, load of the outdoor fan under certain rotating speed is to determine, if the load of motor increases under same rotational speed, electric current reduces,
Then illustrate that the intake of outdoor fan reduces, outdoor coil pipe used frosting degree increases.It can be seen that the size of current of outdoor fan
Corresponding variation can occur with outdoor coil pipe used frosting degree, that is to say, that be corresponding under outdoor coil pipe used different frosting degree
The current value of different outdoor fans.Therefore, according to the real-time current value of outdoor fan and the standard electric under different frosting degree
The comparison of flow valuve judges outdoor coil pipe used frosting degree, can effectively eliminate and individually to use outdoor coil pipe used temperature in the prior art
Degree/indoor coil pipe judges limitation when frosting degree.To more accurately judge that air conditioner enters the opportunity of defrosting.
Above-mentioned steps are described in further detail below.
In above-mentioned steps S110, any of means may be used to detect, herein in the real-time current value of outdoor fan
No longer it is described in detail.
In above-mentioned steps S120, the first selected standard current value is first standard of the outdoor fan under current rotating speed
Current value；The second selected standard current value is second standard current value of the outdoor fan under current rotating speed；Selected third
Standard current value is third standard current value of the outdoor fan under current rotating speed.Specifically, due to first/second/third mark
Quasi- current value is that the outdoor fan measured in the state of the non-frosting of outdoor unit/part frosting/frosting completely turns in difference respectively
Current value under speed, these standard current values have been previously written the control program of air conditioner, therefore are detecting outdoor wind
After the real-time current value of machine, can directly by the real-time current value detected respectively with first/second/third under current rotating speed
Standard current value is compared.It should be noted that a kind of mode of selected standard current value can be：Pass through sensing chamber's exogenous wind
Then the rotating speed of machine selectes standard current value identical with current rotating speed according to current rotating speed in the standard current value to prestore.
In addition to this standard current value can also be selected according to other reasonable manners.
In above-mentioned steps S130, the step of according to comparison result judging whether that air conditioner is made to enter defrosting mode, specifically wraps
It includes：If the real-time current value of outdoor fan is more than or equal to the first selected standard current value, the air conditioner maintenance is made to work as
Preceding heating condition, does not enter defrosting mode.If the real-time current value of outdoor fan is less than the first selected standard current value, and
More than or equal to the second selected standard current value, then air conditioner is set to maintain current heating condition, while increasing the throttling of air conditioner
Throttle valve opening (is increased to the step number of setting, such as 50 steps) by valve opening, does not enter defrosting mode.If the reality of outdoor fan
When current value be less than the second selected standard current value, and more than or equal to selected third standard current value, then so that air conditioner is tieed up
Hold current heating condition, and on the basis of the throttle valve opening of air conditioner is increased, reduce compressor frequency (as an example,
The running frequency of compressor can be reduced to original 80%), do not enter defrosting mode.If the real-time current of outdoor fan
Value is less than selected third standard current value, then so that air conditioner is entered defrosting mode.
In order to illustrate more clearly of the defrosting control method of the present invention, come with reference to a specific embodiment detailed
Illustrate the defrosting control method of the present invention.
With reference to Fig. 2, Fig. 2 is the detail flowchart as the air conditioner defrosting control method of the exemplary present invention.Such as Fig. 2 institutes
Show, in the case of air conditioner is in heating condition, the real-time current value I of step S210, detection outdoor fan is first carried outs。
Subsequently into step S220, compare IsAnd Ib1, wherein Ib1For the first selected standard current value, i.e., in the non-frosting of outdoor unit
Current value of the outdoor fan measured under state under current rotating speed.If Is≥Ib1, then illustrate outdoor coil pipe used non-frosting, at this time
Execute step S221, air conditioner maintains current heating condition；Otherwise, it executes step S230, compare IsAnd Ib2, wherein Ib2For choosing
The second fixed standard current value, i.e., electric current of the outdoor fan measured in the state of outdoor unit frosting 30% under current rotating speed
Value.If Ib2≤Is＜ Ib1, then illustrate outdoor coil pipe used at this time there are frosting risk, execute step S231 at this time, air conditioner maintains
Current heating condition, and throttle valve opening is increased into 50 steps；It is no to then follow the steps S240, compare IsAnd Ib3, wherein Ib3It is selected
Third standard current value, i.e., electric current of the outdoor fan measured in the state of outdoor unit frosting 90% under current rotating speed
Value.If Ib3≤Is＜ Ib2, then illustrate it is outdoor coil pipe used at this time had frosting appearance, execute step S241, air conditioner dimension at this time
Current heating condition is held, on the basis of throttle valve opening increases 50 step, then the running frequency of compressor is reduced to original
80%.If IsValue not in this section, then follow the steps S250, judge IsWhether I is less than or equal tob3If Is＜ Ib3, then say
The bright enough frosts accumulated outdoor coil pipe used at this time execute step S251, air conditioner are made to enter defrosting mode, i.e., at this time to room
Outer coil pipe defrosts.
It should be noted that in above-mentioned steps S231 and step S241, those skilled in the art can be according to air conditioner
Practical application scene it is self-defined setting throttle valve aperture and compressor frequency adjustment degree, as long as in rational range
It is interior, belong to protection scope of the present invention.
The air conditioner defrosting control method of the present invention further includes the steps that exiting defrosting mode.For example, with continued reference to
Fig. 2 executes step S260, compares I after air conditioner enters defrosting modesAnd Ib1Value, if Is≥Ib1, illustrate at this time
The current value of outdoor fan is more than the first selected standard current value, that is, illustrates that the frost on outdoor coil pipe used has been removed, at this time
S270 is entered step, air conditioner exits defrosting mode.Otherwise, illustrate that the frost on outdoor coil pipe used is removed totally not yet, make sky
Device is adjusted to maintain current defrosting mode.It will be readily appreciated by those skilled in the art that during defrosting, the current value of outdoor fan
Can gradually increase, when the real-time current value of outdoor fan is gradually increased to it is equal with the first standard current value selected when, explanation
The electric current of outdoor fan is equal with the current value of outdoor fan of same rotating speed under the non-frosting state of air conditioner, i.e., outdoor coil pipe used
On frost be removed.
In conclusion the present invention changes according to the electric current of outdoor fan with the variation of outdoor coil pipe used frosting degree
Rule judge outdoor coil pipe used frosting degree.Specifically, the present invention by by the real-time current value of outdoor fan respectively with
Selected the first standard current value, the second selected standard current value, selected third standard current value are compared, according to than
It can accurately judge outdoor coil pipe used current frosting state compared with result, and then phase is executed according to outdoor coil pipe used frosting state
The operation answered, such as increase throttle valve opening, reduce compressor operating frequency etc., until the real-time current value of outdoor fan is less than
When selected third standard current value, illustrates that outdoor coil pipe used frosting degree is larger, so that air conditioner is entered defrosting mode at this time.It can
See, of the invention can more accurately select defrosting opportunity, and effectively eliminates and use outdoor coil temperature in the prior art
Judge limitation when frosting degree, reduce the defrosting number of air conditioner, promotes user experience.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (10)
1. a kind of air conditioner defrosting control method, which is characterized in that the defrosting control method includes the following steps：
In the case of air conditioner is in heating condition, the real-time current value of outdoor fan is detected；
Compare the real-time current value of outdoor fan and selected the first standard current value, the second standard current value and third standard electric
Flow valuve；
Judged whether that air conditioner is made to enter defrosting mode according to comparison result；
Wherein, first standard current value is the outdoor fan that is measured in the state of outdoor unit non-frosting under different rotating speeds
Current value；Second standard current value is the outdoor fan that is measured in the state of outdoor machine part frosting in different rotating speeds
Under current value；The third standard current value is that the outdoor fan measured in the state of outdoor unit complete frosting turns in difference
Current value under speed.
2. air conditioner defrosting control method according to claim 1, which is characterized in that the first selected normalized current
Value, the second standard current value and third standard current value are respectively the outdoor fan under current rotating speed, different frosting states
Under standard current value.
3. air conditioner defrosting control method according to claim 2, which is characterized in that " judged whether according to comparison result
So that air conditioner is entered defrosting mode " the step of specifically include：
If the real-time current value of the outdoor fan is more than or equal to the first selected standard current value, the air conditioner is made to tie up
Current heating condition is held, defrosting mode is not entered.
4. air conditioner defrosting control method according to claim 3, which is characterized in that " judged whether according to comparison result
So that air conditioner is entered defrosting mode " the step of specifically include：
If the real-time current value of the outdoor fan is less than the first selected standard current value, and is more than or equal to the second standard electric
Flow valuve then makes the air conditioner maintain current heating condition, while increasing the throttle valve opening of air conditioner, does not enter defrosting mould
Formula.
5. air conditioner defrosting control method according to claim 4, which is characterized in that " judged whether according to comparison result
So that air conditioner is entered defrosting mode " the step of specifically include：
If the real-time current value of the outdoor fan is less than the second selected standard current value, and more than or equal to selected third
Standard current value then makes the air conditioner maintain current heating condition, and on the basis of the throttle valve opening of air conditioner is increased,
The frequency for reducing compressor, does not enter defrosting mode.
6. air conditioner defrosting control method according to claim 5, which is characterized in that " judged whether according to comparison result
So that air conditioner is entered defrosting mode " the step of specifically include：
If the real-time current value of the outdoor fan is less than selected third standard current value, so that the air conditioner is entered and remove
White pattern.
7. air conditioner defrosting control method according to claim 6, which is characterized in that described " to increase the throttling of air conditioner
Valve opening " is specially：By the step number of throttle valve opening increase setting.
8. air conditioner defrosting control method according to claim 6, which is characterized in that " frequency for reducing compressor "
Specially：Compression frequency is reduced to the setting percentage of original frequency.
9. air conditioner defrosting control method according to any one of claim 1 to 8, which is characterized in that the defrosting control
Method processed further includes the steps that judging whether to exit defrosting mode, which includes：
After the air conditioner enters defrosting mode, compare the real-time current value of outdoor fan and the first selected normalized current
Value；
Judged whether that air conditioner is made to exit defrosting mode according to comparison result.
10. air conditioner defrosting control method according to claim 9, which is characterized in that " judged whether according to comparison result
So that air conditioner is exited defrosting mode " the step of include：
If the real-time current value of the outdoor fan is more than or equal to the first selected standard current value, defrosting mode is exited.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152014.3A CN108444047A (en) | 2018-02-14 | 2018-02-14 | Air conditioner defrosting control method |
| PCT/CN2019/074847 WO2019158048A1 (en) | 2018-02-14 | 2019-02-12 | Defrost control method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152014.3A CN108444047A (en) | 2018-02-14 | 2018-02-14 | Air conditioner defrosting control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108444047A true CN108444047A (en) | 2018-08-24 |
Family
ID=63192461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810152014.3A Pending CN108444047A (en) | 2018-02-14 | 2018-02-14 | Air conditioner defrosting control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108444047A (en) |
| WO (1) | WO2019158048A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019158048A1 (en) * | 2018-02-14 | 2019-08-22 | 青岛海尔空调器有限总公司 | Defrost control method for air conditioner |
| CN110486893A (en) * | 2019-08-30 | 2019-11-22 | 海信（山东）空调有限公司 | A kind of Defrost method and air conditioner of air conditioner |
| CN111023460A (en) * | 2019-12-31 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN111397139A (en) * | 2020-04-14 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device, air conditioner and storage medium |
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| CN115789866A (en) * | 2022-11-25 | 2023-03-14 | 宁波奥克斯电气股份有限公司 | Air conditioner heating defrosting control method and device, air conditioner and storage medium |
| CN115789866B (en) * | 2022-11-25 | 2024-06-11 | 宁波奥克斯电气股份有限公司 | Air conditioner heating defrosting control method and device, air conditioner and storage medium |
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| WO2019158048A1 (en) | 2019-08-22 |
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