CN108692426A - Air conditioner defrosting control method - Google Patents
Air conditioner defrosting control method Download PDFInfo
- Publication number
- CN108692426A CN108692426A CN201810559293.5A CN201810559293A CN108692426A CN 108692426 A CN108692426 A CN 108692426A CN 201810559293 A CN201810559293 A CN 201810559293A CN 108692426 A CN108692426 A CN 108692426A
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- Prior art keywords
- air conditioner
- accumulative
- defrosting
- time
- defrosting mode
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Classifications
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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
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
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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)
- Human Computer Interaction (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.Room temperature fluctuation is excessive when defrosting in order to prevent, and defrosting control method of the invention includes the following steps:Since air conditioner booting after for the first time into defrosting mode, in real time calculate air conditioner accumulated consumption power WIt is accumulativeWith accumulative heating capacity QIt is accumulative;Compare QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio C, judged whether that air conditioner is made to be again introduced into defrosting mode according to comparison result;Wherein, the time for entering defrosting mode after air conditioner booting for the first time determines as follows:Air conditioner identical with air conditioner model is obtained under identical environment, identical operating condition, enters the time T of defrosting mode after booting for the first time every time;The time for entering defrosting mode after the booting of current air conditioner for the first time is determined according to T.The present invention can accurately judge that air conditioner enters the opportunity of defrosting mode, and can reduce influence to indoor temperature during defrosting to the full extent.
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 domestic air conditioner is in running heating operations, if outside humidity is larger, reaches the condition of frosting, outdoor
Chance frosting, and frosting directly affects be exactly air conditioner heating capacity, with the increasing of frosting degree, heating capacity is lasting
Decaying, room temperature will appear fluctuation.Defrost operation must be carried out when decaying to a certain extent.Existing air conditioner is usually
It goes to judge whether to enter defrosting using run time+outdoor coil temperature, but this mode can not directly embody air-conditioning reality
Border heating capacity, really influence user's impression is the heating capacity of air conditioner.
Based on this, spy proposes the present invention.
Invention content
In order to solve the above problem in the prior art, room temperature fluctuation is excessive when defrosting in order to prevent, and the present invention carries
A kind of air conditioner defrosting control method is gone out, the defrosting control method includes the following steps:After air conditioner booting for the first time
Start into defrosting mode, calculates the accumulative and accumulative heating capacity Q of accumulated consumption power W of air conditioner in real timeIt is accumulative;Compare QIt is accumulative/WIt is accumulative
Value and default Energy Efficiency Ratio C, judged whether that air conditioner is made to be again introduced into defrosting mode according to comparison result;Wherein, air conditioner is opened
The time for entering defrosting mode after machine for the first time determines as follows:Obtain air conditioner identical with the air conditioner model
Under identical environment, identical operating condition, enter the time T of defrosting mode after booting for the first time every time;It is true according to the time T
Enter the time of defrosting mode after settled preceding air conditioner booting for the first time.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " compare QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio
C judges whether that air conditioner is made to be again introduced into defrosting mode according to comparison result " the step of include:If 0.9C≤QIt is accumulative/WIt is accumulative<
C then reduces compressor operating frequency, continues heating operation.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, if 0.9C≤QIt is accumulative/WIt is accumulative< C, then will pressure
Contracting machine running frequency reduces by 20%.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " compare QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio
C judges whether that air conditioner is made to be again introduced into defrosting mode according to comparison result " the step of include:If QIt is accumulative/WIt is accumulative>=C, then make
Air conditioner is again introduced into defrosting mode.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the default Energy Efficiency Ratio C is in the following manner
It determines:It is set into the Rule of judgment of defrosting;When meeting the Rule of judgment, air conditioner is made to enter defrosting mode;It calculates empty
Adjust device in the adjacent accumulative and accumulative heating capacity Q of the accumulated consumption power W entered twice between defrosting modeIt is accumulative;Calculate multiple QIt is accumulative/
WIt is accumulativeAverage value C, using the C as default Energy Efficiency Ratio.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the step of " Rule of judgment for being set into defrosting "
Suddenly include:The condition for making air conditioner enter defrosting mode is set according to the temperature of outdoor unit coil pipe.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " set according to the temperature of outdoor unit coil pipe
So that air conditioner is entered the condition of defrosting mode " the step of include:Made to set according to the rate of decay of the temperature of outdoor unit coil pipe
Air conditioner enters the condition of defrosting mode.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " set according to the temperature of outdoor unit coil pipe
So that air conditioner is entered the condition of defrosting mode " the step of include:According to the difference between the temperature and preset temperature of outdoor unit coil pipe
Value sets the condition for making air conditioner enter defrosting mode.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " multiple Q are being calculatedIt is accumulative/WIt is accumulativeAverage value C,
Using the C as default Energy Efficiency Ratio " the step of in, " multiple QIt is accumulative/WIt is accumulative" include at least three groups of ratios.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " enters for the first time after air conditioner booting and remove
White pattern starts, and calculates the accumulated consumption power W of air conditioner in real timeIt is accumulativeWith accumulative heating capacity QIt is accumulative" the step of in, air conditioner booting
The first time for entering defrosting mode was preset time afterwards.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the preset time is true according to the following steps
It is fixed:Obtain the ambient temperature and humidity value of the type and the air conditioner application scenarios of air conditioner;According to the machine of air conditioner
Type, the ambient temperature of application scenarios and humidity value enter defrosting mode for the first time after obtaining air conditioner booting by experiment
Time.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the defrosting control method further includes:When full
When foot enters the condition of defrosting mode, defrosted by four-way valve commutation;Wherein, the time of each run defrosting mode is pre-
The set time first set.
The accumulated consumption power W that the present invention passes through calculating air conditionerIt is accumulativeWith accumulative heating capacity QIt is accumulative, and compare QIt is accumulative/WIt is accumulative's
Value and default Energy Efficiency Ratio C, to judge whether air conditioner reaches the degree for needing to defrost again.Default Energy Efficiency Ratio C is made
On the basis of can more accurately judge that air conditioner enters the opportunity of defrosting mode, avoid the phenomenon that frequently defrosts.And according to
QIt is accumulative/WIt is accumulativeValue can reduce influence to indoor temperature during defrosting to the full extent, make the indoor temperature be not in
Larger fluctuation.
Description of the drawings
Fig. 1 is the broad flow diagram 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.
As shown in Figure 1, the air conditioner defrosting control method of the present invention includes the following steps:S110, from air conditioner booting after
Start for the first time into defrosting mode, calculates the accumulated consumption power W of air conditioner in real timeIt is accumulativeWith accumulative heating capacity QIt is accumulative;S120, ratio
Compared with QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio C, judged whether that air conditioner is made to be again introduced into defrosting mode according to comparison result.Ability
Field technique personnel are, it is understood that air conditioner defrosts from into defrosting to entering back into next time as a cycle of operation, this week
Phase includes Defrost operation and heating operation, if air conditioner defrosts on appropriate opportunity every time, an operation of air conditioner
In period, QIt is accumulative/WIt is accumulativeValue may be considered fixed, i.e. Q of the air conditioner in a cycle of operationIt is accumulative/WIt is accumulativeRatio be pre-
If Energy Efficiency Ratio C.Therefore, since air conditioner booting after for the first time into defrosting mode, pass through calculate air conditioner accumulative consumption
Power WIt is accumulativeWith accumulative heating capacity QIt is accumulative, compare QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio C can accurately judge whether to make air conditioner
It is again introduced into defrosting mode.
In above-mentioned steps S110, the time for entering defrosting mode after air conditioner booting for the first time is true as follows
It is fixed:Air conditioner identical with air conditioner model is obtained under identical environment, identical operating condition, is entered for the first time after booting every time
The time T of defrosting mode;The time for entering defrosting mode after the booting of current air conditioner for the first time is determined according to time T.Namely
It says, using big data principle, by background acquisition air conditioner identical with current air conditioner model in identical environment, identical operation
The time for entering defrosting mode after being switched on every time under operating mode for the first time, then collected mass data be calculated working as
Preceding air conditioner enters the time of defrosting mode for the first time after this booting.After determining air conditioner booting using big data
Enter the time of defrosting mode for the first time, those skilled in the art can take any appropriate calculation, no longer right herein
Specific calculation is described in detail.
As an example, can be determined in the following manner about default Energy Efficiency Ratio C:It is set into the judgement item of defrosting first
Part such as sets the condition for making air conditioner enter defrosting mode according to the temperature of outdoor unit coil pipe.When meeting Rule of judgment, make
Air conditioner enters defrosting mode, then calculates the accumulated consumption power W of air conditionernWith accumulative heating capacity Qn, and calculate Qn/Wn's
Value Cn;When meeting Rule of judgment again, the C that will currently calculatenSave as C1;Then since air conditioner enters defrosting mode,
Recalculate the accumulative heating capacity Q of air conditionern, when meeting Rule of judgment again, will currently calculate accumulated consumption power WnWith
Accumulative heating capacity Qn;And so on can calculate air conditioner it is adjacent twice enter defrosting mode between Qn/WnValue C1,C2,
C3…Cn;Then C is calculated1,C2,C3…CnAverage value C, average value C is default Energy Efficiency Ratio.
It will be appreciated to those of skill in the art that the accumulated consumption power of air conditioner and accumulative heating capacity can pass through product
The mode divided calculates, and is no longer illustrated herein to detailed calculation.Obtain multigroup air conditioner in each fortune by experiment
The accumulated consumption power in row period (air conditioner from enter defrosting to defrosting is entered back into next time be a cycle of operation) and accumulative
Heating capacity, the Q testedn/WnThe more default Energy Efficiency Ratio C of value it is more accurate.In addition, about during the test setting
The Rule of judgment of defrosting can neatly select arbitrary rational Rule of judgment, such as can also be according to the temperature of outdoor unit coil pipe
The rate of decay set the condition for making air conditioner enter defrosting mode;Or temperature and preset temperature according to outdoor unit coil pipe
Between difference set the condition for making air conditioner enter defrosting mode, these are without departure from protection scope of the present invention.
In the step s 120, as 0.9C≤QIt is accumulative/WIt is accumulative< C, when, compressor operating frequency can be reduced at this time, continue to make
Heat operation, such as compressor operating frequency is reduced by 20%, the time into defrosting can be delayed.Work as QIt is accumulative/WIt is accumulativeWhen >=C, make
Air conditioner is again introduced into defrosting mode.
As an example, the air conditioner defrosting control method of the present invention, which uses, shuts down Defrost mode, i.e., when satisfaction enters defrosting
When the condition of pattern, defrosted by four-way valve commutation.The time defrosted every time is set as the set time.Due in the defrosting
Under pattern, air conditioner can again start to calculate the accumulative of air conditioner after first time defrosting mode without heating
Heating capacity and accumulated consumption power.
As an example, if the air conditioner defrosting control method of the present invention using not shutting down Defrost mode, i.e., ought meet into
When entering the condition of defrosting mode, opens bypass line and defrost, is i.e. air conditioner utilizes side while being heated to interior
It defrosts to outdoor unit on siphunculus road.At this time due in the air conditioner still heating capacity of some in defrost mode, and
Heats power is consumed, therefore the accumulative heating capacity of air conditioner and accumulative consumption work(can be calculated when first time defrosting mode starts
Rate.
In conclusion accumulated consumption power W of the present invention by calculating air conditionerIt is accumulativeWith accumulative heating capacity QIt is accumulative, and compare
QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio C, to judge whether air conditioner reaches the degree for needing to defrost again.It will preset
Energy Efficiency Ratio C can more accurately judge that air conditioner enters the opportunity of defrosting mode as benchmark, avoid the phenomenon that frequently defrosts.And
And according to QIt is accumulative/WIt is accumulativeValue can reduce influence to indoor temperature during defrosting to the full extent, make indoor temperature not
It will appear larger fluctuation.
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:
Since air conditioner booting after for the first time into defrosting mode, in real time calculate air conditioner accumulated consumption power WIt is accumulativeWith it is tired
Count heating capacity QIt is accumulative;
Compare QIt is accumulative/WIt is accumulativeValue and default Energy Efficiency Ratio C, judged whether that air conditioner is made to be again introduced into defrosting mould according to comparison result
Formula;
Wherein, the time for entering defrosting mode after air conditioner booting for the first time determines as follows:
Air conditioner identical with the air conditioner model is obtained under identical environment, identical operating condition, every time first after booting
The secondary time T into defrosting mode;
The time for entering defrosting mode after the booting of current air conditioner for the first time is determined according to the time T.
2. air conditioner defrosting control method according to claim 1, which is characterized in that " compare QIt is accumulative/WIt is accumulativeValue with it is default
Energy Efficiency Ratio C judges whether that air conditioner is made to be again introduced into defrosting mode according to comparison result " the step of include:
If 0.9C≤QIt is accumulative/WIt is accumulative< C then reduce compressor operating frequency, continue heating operation.
3. according to the air conditioner defrosting control method described in claim 2, which is characterized in that if 0.9C≤QIt is accumulative/WIt is accumulative< C, then
Compressor operating frequency is reduced by 20%.
4. air conditioner defrosting control method according to claim 1, which is characterized in that " compare QIt is accumulative/WIt is accumulativeValue with it is default
Energy Efficiency Ratio C judges whether that air conditioner is made to be again introduced into defrosting mode according to comparison result " the step of include:
If QIt is accumulative/WIt is accumulative>=C, then make air conditioner be again introduced into defrosting mode.
5. air conditioner defrosting control method according to claim 1, which is characterized in that the default Energy Efficiency Ratio C by with
Under type determines:
It is set into the Rule of judgment of defrosting;
When meeting the Rule of judgment, air conditioner is made to enter defrosting mode;
Air conditioner is calculated in the adjacent accumulated consumption power W entered twice between defrosting modeIt is accumulativeWith accumulative heating capacity QIt is accumulative;
Calculate multiple QIt is accumulative/WIt is accumulativeAverage value C, using the C as default Energy Efficiency Ratio.
6. air conditioner defrosting control method according to claim 5, which is characterized in that " be set into the judgement item of defrosting
The step of part " includes:
The condition for making air conditioner enter defrosting mode is set according to the temperature of outdoor unit coil pipe.
7. air conditioner defrosting control method according to claim 6, which is characterized in that " according to the temperature of outdoor unit coil pipe
To set the condition for making air conditioner enter defrosting mode " the step of include:
The condition for making air conditioner enter defrosting mode is set according to the rate of decay of the temperature of outdoor unit coil pipe.
8. air conditioner defrosting control method according to claim 6, which is characterized in that " according to the temperature of outdoor unit coil pipe
To set the condition for making air conditioner enter defrosting mode " the step of include:
The condition for making air conditioner enter defrosting mode is set according to the difference between the temperature of outdoor unit coil pipe and preset temperature.
9. air conditioner defrosting control method according to claim 5, which is characterized in that " calculating multiple QIt is accumulative/WIt is accumulativeIt is flat
In the step of mean value C, using the C as default Energy Efficiency Ratio ", " multiple QIt is accumulative/WIt is accumulative" include at least three groups of ratios.
10. air conditioner defrosting control method according to any one of claim 1 to 9, which is characterized in that the defrosting control
Method processed further includes:
When meeting into the condition of defrosting mode, defrosted by four-way valve commutation;
Wherein, the time of each run defrosting mode is the preset set time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559293.5A CN108692426B (en) | 2018-06-01 | 2018-06-01 | Defrosting control method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559293.5A CN108692426B (en) | 2018-06-01 | 2018-06-01 | Defrosting control method for air conditioner |
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| Publication Number | Publication Date |
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| CN108692426A true CN108692426A (en) | 2018-10-23 |
| CN108692426B CN108692426B (en) | 2021-04-20 |
Family
ID=63848115
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| CN201810559293.5A Active CN108692426B (en) | 2018-06-01 | 2018-06-01 | Defrosting control method for air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243061A (en) * | 2019-06-20 | 2019-09-17 | 广东美的暖通设备有限公司 | Control method, air conditioner and computer readable storage medium |
| CN113137708A (en) * | 2021-03-09 | 2021-07-20 | 青岛海尔空调电子有限公司 | Defrosting control method of air conditioning system, storage medium and air conditioning system |
| CN114237321A (en) * | 2021-12-16 | 2022-03-25 | 中国联合网络通信集团有限公司 | Vulcanizing machine control method and device, electronic equipment and computer readable medium |
| WO2022174842A1 (en) * | 2021-02-19 | 2022-08-25 | 青岛海尔空调电子有限公司 | Air conditioner and defrosting control method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110243061A (en) * | 2019-06-20 | 2019-09-17 | 广东美的暖通设备有限公司 | Control method, air conditioner and computer readable storage medium |
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| CN113137708A (en) * | 2021-03-09 | 2021-07-20 | 青岛海尔空调电子有限公司 | Defrosting control method of air conditioning system, storage medium and air conditioning system |
| CN114237321A (en) * | 2021-12-16 | 2022-03-25 | 中国联合网络通信集团有限公司 | Vulcanizing machine control method and device, electronic equipment and computer readable medium |
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| Publication number | Publication date |
|---|---|
| CN108692426B (en) | 2021-04-20 |
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