CN106500267B - The defrosting control method and its control device of air conditioner - Google Patents
The defrosting control method and its control device of air conditioner Download PDFInfo
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- CN106500267B CN106500267B CN201610971057.5A CN201610971057A CN106500267B CN 106500267 B CN106500267 B CN 106500267B CN 201610971057 A CN201610971057 A CN 201610971057A CN 106500267 B CN106500267 B CN 106500267B
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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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/64—Electronic processing using pre-stored data
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses the defrosting control method and its control device of a kind of air conditioner, it include: when air conditioner is in heating operation mode, preset time N1 is run, acquires complete machine power W, delivery temperature T and the pressure at expulsion P of presently described air conditioner as first group of data, and store first group of data；After continuous operating time △ t, the unlocking condition whether compressor operating frequency meets defrost is detected；After meeting the unlocking condition of defrost, complete machine power W, delivery temperature T and the pressure at expulsion P for obtaining presently described air conditioner are compared as second group of data and first group of data, defrost condition is carried out when the reduced value of second group of data and first group of data meets, defrost is carried out to the air conditioner according to predetermined manner.The defrosting control method of the air conditioner is so that the output temperature of air conditioner fluctuates small, the comfort of raising user's body-sensing.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to the defrosting control methods and its control dress of a kind of air conditioner
It sets.
Background technique
Air conditioner is limited by that outdoor heat exchanger self-temperature is lower and the shadow of outdoor environment when carrying out heating operation
It rings, can accumulate gradually a thick layer frost layer on outdoor heat exchanger.It is exactly outdoor heat exchanger that frosting, which brings most intuitive influence,
Exchange capability of heat be greatly reduced, cause air conditioner heat-production ability decline, it is therefore desirable to periodically defrost, with keep heating energy
Power.The air conditioner of the production of current each producer, control air conditioner enter the determination method of defrosting substantially there are three types of, the first
It is Fixed Time Interval, such method is relatively common on determining frequency machine；Second is by detecting indoor heat exchange temperature and room
For the difference of interior temperature to determine whether into defrost, such method is equally relatively common on determining frequency machine；The third is exactly to pass through
Outdoor heat exchanger bottom temp is detected to determine whether into defrost, such method is relatively common on frequency changer；Above-mentioned three
There is certain judgement inaccuracy in kind judgment method, air-conditioning can frequently enter defrost, influence the heating effect of air-conditioning, cause room
The fluctuation of interior temperature, influence using comfort.
Summary of the invention
The main object of the present invention is to provide a kind of defrosting control method of air conditioner, to solve above-mentioned air-conditioner defrosting control
Method frequently enters defrost, influences the heating effect of air-conditioning, causes the fluctuation of room temperature, influence using comfort technology
Problem.
To achieve the above object, the present invention provides a kind of defrosting control method of air conditioner, comprising: when air conditioner is in system
When hot operational mode, preset time N1 is run, complete machine power W, delivery temperature T and the pressure at expulsion of presently described air conditioner are acquired
P stores first group of data as first group of data；After continuous operating time △ t, whether the compressor operating frequency is detected
Meet the unlocking condition of defrost；After meeting the unlocking condition of defrost, complete machine power W, the exhaust of presently described air conditioner are obtained
Temperature T and pressure at expulsion P is compared as second group of data and first group of data, when second group of data and first group of data
Reduced value, which meets, carries out defrost condition, carries out defrost to the air conditioner according to predetermined manner.
The beneficial effects of the present invention are: by the dynamic collecting method according to the compressor operating frequency of the air conditioner come
Judge whether condenser meets defrost condition, carry out one layer of judgement, when meeting first layer defrost condition, enters back into the of the second layer
Two groups of data and first group of data compare the thickness that can intelligently, accurately reflect frost layer, avoid frequently entering defrost,
Influence air-conditioning heating effect, cause the fluctuation of room temperature, influence using comfort；Double-deck judgment mode simultaneously, keeps away
Exempt under air-conditioning heating mode, the control device is in the mould that second group of data of acquisition and first group of data compare for a long time
Formula increases control device operation burden, reduces erroneous judgement.
Further, satisfactionization is judged whether according to complete machine power W, delivery temperature T and the pressure at expulsion P of the air conditioner
The step of unlocking condition of frost includes: to obtain first group of data after compressor operation reaches preset time N1；Described
One group of data, according within the set time to acquiring multi-group data several times in the compressor operational process；And calculate multiple groups
The average value of data.
Further, satisfactionization is judged whether according to complete machine power W, delivery temperature T and the pressure at expulsion P of the air conditioner
Frost unlocking condition the step of include: according to the setting time be 0.5 to 3 minute, within the set time acquire 3,4,6,8 or
10 data of person form multi-group data, calculate average value according to multi-group data, store as the first class mean value.
Beneficial effect using above-mentioned further scheme is: by being arranged in reasonable time N1, acquiring the air conditioner
Complete machine power W, delivery temperature T and pressure at expulsion P, by multi collect complete machine power W, delivery temperature T and pressure at expulsion P come
The multi-group data average value for calculating complete machine power W, delivery temperature T and pressure at expulsion P, improves the accuracy of defrost condition.
Further, the unlocking condition of the defrost is to run frequency after △ t between judging the compressor when running continuously
Whether rate changes；When the compressor operating frequency changes, it is considered as the unlocking condition for being unsatisfactory for defrost；When the pressure
Contracting machine running frequency does not change, is considered as the unlocking condition for meeting defrost.
Further, the continuous operating time △ t is 6 to 15 minutes.
Beneficial effect using above-mentioned further scheme is: by being arranged in reasonable time △ t, detecting the air conditioner
Compressor frequency whether change to determine whether meet the unlocking condition of defrost, avoid the control device for a long time at
In the mode that second group of data of acquisition and first group of data compare, control device operation burden is increased, erroneous judgement is reduced.
Further, the reduced value of second group of data and first group of data: if complete machine power W decline X1%,
Delivery temperature T declines X2% and pressure at expulsion P and declines X3%, then meets and carry out defrost condition.
Beneficial effect using above-mentioned further scheme is: when the complete machine power W declines X1%, delivery temperature T decline
When X2% and pressure at expulsion P decline X3%, condenser coil can just generate frost, and raising judges the accurate of air-conditioning defrost
Rate reduces erroneous judgement.
Further, the reduced value of second group of data and the first class mean value: if the complete machine power W declines
X1%, delivery temperature T decline X2% and pressure at expulsion P and decline X3%, then meet and carry out defrost condition.
Beneficial effect using above-mentioned further scheme is: when the complete machine power W mean values decline X1%, exhaust temperature
When spending T mean values decline X2% and pressure at expulsion P mean values decline X3%, condenser coil can just generate frost,
The accuracy rate for judging air-conditioning defrost is further increased, erroneous judgement is reduced.
Further, the step of predetermined manner carries out defrost to the air conditioner includes: to be transported according to the compressor
The row time determines the corresponding defrost time；The defrost of the defrost time is carried out to the air conditioner according to predetermined manner.
In addition, to achieve the goals above, the present invention also provides a kind of defrosting control devices of air conditioner, comprising: acquisition
Module, for when air conditioner is in heating operation mode, obtain presently described air conditioner complete machine power W, delivery temperature T and
Pressure at expulsion P；Judgment module after continuous operating time △ t, judges whether the compressor operating frequency meets the unlatching of defrost
Condition；And judge that the reduced value of second group of data and first group of data meets progress defrost condition；Control module is used
Whether defrost pattern is carried out in control air-conditioning system or exits defrost pattern, restores heating mode.
Air-conditioning defrost of the invention judges that the beneficial effect of control device is: by acquisition module, judgment module and control
Module, detects the compressor operating frequency as judging defrost unlocking condition, the just judgementization after meeting defrost unlocking condition
Therefore ice-lolly part can accurately reflect the thickness of frost layer, avoid frequently entering defrost, influence the heating effect of air-conditioning, cause
The fluctuation of room temperature, influence using comfort.
Further, the judgment module includes: storage unit, first group of data is used for, according in setting time
It is interior to a data are acquired in the compressor operational process, alternatively, according to being run within the set time to the compressor
Multi-group data is acquired in journey several times.
Further, the judgment module includes: computing unit, for calculating first cell mean, according to setting
It fixes time interior to multi-group data is acquired several times in the compressor operational process, calculates the average value of multi-group data, and by
One cell mean is stored in the storage unit.
Beneficial effect using above-mentioned further scheme is: by storage unit and computing unit, to judge defrost condition,
Improve the accuracy and efficiency of defrost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow diagram of air conditioner defrosting control method；
Fig. 2 is the flow diagram of the air conditioner defrosting control method of another embodiment；
Fig. 3 is the functional block diagram of air conditioner defrosting control device；
Fig. 4 is the functional block diagram of air conditioner judgment module；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 101 | Acquisition module | 104 | Storage unit |
| 102 | Judgment module | 105 | Computing unit |
| 103 | Control module |
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
The primary solutions of the embodiment of the present invention are: when air conditioner is in heating operation mode, acquiring presently described
Complete machine power W, delivery temperature T and the pressure at expulsion P of air conditioner are as first group of data；The frequency run according to the compressor
Variation judge whether the unlocking condition for meeting defrost；One layer of judgement is carried out, when meeting first layer defrost condition, enters back into second
The second group of data and first group of data of layer compare the thickness that can intelligently, accurately reflect frost layer, are meeting defrost
Unlocking condition after, according to predetermined manner to the air conditioner carry out defrost；Pass through the complete machine power W of the air conditioner, exhaust
Temperature T and pressure at expulsion P comes whether comprehensive descision needs to enter defrosting operation, so that defrost entry time is more accurate, effectively
Existing defrost process is avoided to be easy to formulate the frequent defrost, invalid defrost and the change that occur when inaccurate and variable working condition due to parameter
Complete machine runing time is not grown after frost, causes defrosting effect poor, so that the problem of heating effect difference.Defrosting effect is improved, into
And improve heating effect.
Current existing defrost process is easy to formulate the frequent defrost occurred when inaccurate and variable working condition, invalidation due to parameter
Complete machine runing time is not grown after frost and defrost, causes defrosting effect poor, so that the problem of heating effect difference.
The embodiment of the present invention one provides a kind of defrosting control method of air conditioner, referring to Fig. 1, comprising:
Step 1: when air conditioner is in heating operation mode, running preset time N1, acquire presently described air conditioner
Complete machine power W, delivery temperature T and pressure at expulsion P store first group of data as first group of data.
Step 2: after continuous operating time △ t, detecting the unlocking condition whether compressor operating frequency meets defrost.
Step 3: after meeting the unlocking condition of defrost, obtaining complete machine power W, the delivery temperature T of presently described air conditioner
And pressure at expulsion P is compared as second group of data and first group of data, when the comparison of second group of data and first group of data
Value, which meets, carries out defrost condition, carries out defrost to the air conditioner according to predetermined manner.
In the embodiment of the present invention one, the unlocking condition whether compressor operating frequency meets defrost is detected.It is air-conditioning
Device carries out first layer judgement, when meeting first layer defrost condition, enter back into second group of data of the second layer and first group of data into
Row comparison, first group of data is complete machine power W, delivery temperature T and the pressure at expulsion P that air conditioner acquires within the N1 time, this
One group of data is that acquisition is primary.
The beneficial effects of the present invention are: by the dynamic collecting method according to the compressor operating frequency of the air conditioner come
Judge whether condenser meets defrost condition, carry out one layer of judgement, when meeting first layer defrost condition, enters back into the of the second layer
Two groups of data and first group of data compare the thickness that can intelligently, accurately reflect frost layer, avoid frequently entering defrost,
Influence air-conditioning heating effect, cause the fluctuation of room temperature, influence using comfort；Double-deck judgment mode simultaneously, keeps away
Exempt under air-conditioning heating mode, the control device is in the mould that second group of data of acquisition and first group of data compare for a long time
Formula increases control device operation burden, reduces erroneous judgement.
Second embodiment of the present invention provides a kind of defrosting control methods of air conditioner, referring to fig. 2, comprising:
Step 1: when air conditioner is in heating operation mode, running preset time N1, acquire presently described air conditioner
Complete machine power W, delivery temperature T and pressure at expulsion P store first group of data as first group of data.
Step 2: after continuous operating time △ t, detecting the unlocking condition whether compressor operating frequency meets defrost.
Step 3: after meeting the unlocking condition of defrost, obtaining complete machine power W, the delivery temperature T of presently described air conditioner
And pressure at expulsion P is compared as second group of data and first group of data, when the comparison of second group of data and first group of data
Value, which meets, carries out defrost condition, carries out defrost to the air conditioner according to predetermined manner.
The embodiment of the present invention two and the difference of embodiment one are: the difference of the acquisition mode of first group of data, into
One step, the open strip for meeting defrost is judged whether according to complete machine power W, delivery temperature T and the pressure at expulsion P of the air conditioner
The step of part includes: to obtain first group of data after compressor operation reaches preset time N1；First group of data,
According within the set time to acquiring multi-group data several times in the compressor operational process；And calculate being averaged for multi-group data
Value.
Further, satisfactionization is judged whether according to complete machine power W, delivery temperature T and the pressure at expulsion P of the air conditioner
Frost unlocking condition the step of include: according to the setting time be 0.5 to 3 minute, within the set time acquire 3,4,6,8 or
10 data of person form multi-group data, calculate average value according to multi-group data, store as the first class mean value.
Beneficial effect using above-mentioned further scheme is: by being arranged in reasonable time N1, acquiring the air conditioner
Complete machine power W, delivery temperature T and pressure at expulsion P, by multi collect complete machine power W, delivery temperature T and pressure at expulsion P come
The multi-group data average value for calculating complete machine power W, delivery temperature T and pressure at expulsion P, improves the accuracy of defrost condition.
Further, the unlocking condition of the defrost is to run frequency after △ t between judging the compressor when running continuously
Whether rate changes；When the compressor operating frequency changes, it is considered as the unlocking condition for being unsatisfactory for defrost；When the pressure
Contracting machine running frequency does not change, is considered as the unlocking condition for meeting defrost.
Further, the continuous operating time △ t is 6 to 15 minutes.
If compressor frequency is unchanged, second group of data acquisition is carried out, and with according to testing result and first group of valid data
It compares, but this group of data are comparing later without storage；If system detection is to compressor in the detection process
Frequency change, then before testing result all remove, N2 minute is run in newest compressor operating frequency
After start again according to acquiring data shown in step 1~2.N2 is 0.5 to 3 minute.
Beneficial effect using above-mentioned further scheme is: by being arranged in reasonable time △ t, detecting the air conditioner
Compressor frequency whether change to determine whether meet the unlocking condition of defrost, avoid the control device for a long time at
In the mode that second group of data of acquisition and first group of data compare, control device operation burden is increased, erroneous judgement is reduced.
In the embodiment of the present invention, the reduced value of second group of data and first group of data, which is to adopt
Collection is primary: if complete machine power W decline X1%, delivery temperature T decline X2% and pressure at expulsion P decline X3%, meet into
Row defrost condition.
First group of data of each collected second group of data and acquisition compare, if meeting the decline of complete machine power simultaneously
X1%, delivery temperature decline X2%, and pressure at expulsion declines X3%, then system determines that outdoor condenser frosting is serious, need to carry out
Defrost, and enter defrost pattern.If complete machine power, delivery temperature, pressure at expulsion have any one, decline percentage is not up to sentenced
Determine section (for example coolant leakage will also result in power decline, pressure decline, but delivery temperature can rise), then not entrance
Frost.
Beneficial effect using above-mentioned further scheme is: when the complete machine power W declines X1%, delivery temperature T decline
When X2% and pressure at expulsion P decline X3%, condenser coil can just generate frost, and raising judges the accurate of air-conditioning defrost
Rate reduces erroneous judgement.
In the embodiment of the present invention, the reduced value of second group of data and the first class mean value, first group of data
It is that acquisition is multiple: full if complete machine power W decline X1%, delivery temperature T decline X2% and pressure at expulsion P decline X3%
Foot carries out defrost condition.
Each collected second group of data are compared with the first class mean value, if meeting the decline of complete machine power simultaneously
X1%, delivery temperature decline X2%, and pressure at expulsion declines X3%, then system determines that outdoor condenser frosting is serious, need to carry out
Defrost, and enter defrost pattern.If complete machine power, delivery temperature, pressure at expulsion have any one, decline percentage is not up to sentenced
Determine section (for example coolant leakage will also result in power decline, pressure decline, but delivery temperature can rise), then not entrance
Frost.
Beneficial effect using above-mentioned further scheme is: when the complete machine power W mean values decline X1%, exhaust temperature
When spending T mean values decline X2% and pressure at expulsion P mean values decline X3%, condenser coil can just generate frost,
The accuracy rate for judging air-conditioning defrost is further increased, erroneous judgement is reduced.
In above each step, once compressor frequency changes, then detection datas all before is all removed, weight
The new acquisition for starting to carry out first group of valid data under new compressor frequency stores and is determined according to above step.
Further, the step of predetermined manner carries out defrost to the air conditioner includes: to be transported according to the compressor
The row time determines the corresponding defrost time；The defrost of the defrost time is carried out to the air conditioner according to predetermined manner.
In addition, to achieve the goals above, the present invention also provides a kind of defrosting control devices of air conditioner, referring to Fig. 3, packet
It includes:
Acquisition module 101, for obtaining the complete machine function of presently described air conditioner when air conditioner is in heating operation mode
Rate W, delivery temperature T and pressure at expulsion P.
Judgment module 102 after continuous operating time △ t, judges whether the compressor operating frequency meets opening for defrost
Open condition；And judge that the reduced value of second group of data and first group of data meets progress defrost condition.
Whether control module 103 carries out defrost pattern or exits defrost pattern for controlling air-conditioning system, restores heating
Mode.
Air-conditioning defrost of the invention judges that the beneficial effect of control device is: by acquisition module 101, judgment module 102
With control module 103, detects the compressor operating frequency conduct and judge defrost unlocking condition, after meeting defrost unlocking condition
Just judge defrost condition, therefore, the thickness of frost layer can accurately be reflected, avoid frequently entering defrost, influence the heating of air-conditioning
Effect causes the fluctuation of room temperature, influence using comfort.
Further, referring to fig. 4, the judgment module 102 includes: storage unit 104, is used for first group of data,
According within the set time to a data are acquired in the compressor operational process, alternatively, according within the set time to institute
It states in compressor operational process and acquires multi-group data several times.
Further, referring to fig. 4, the judgment module 102 includes: computing unit 105, flat for calculating described first group
Mean value, according to multi-group data is acquired several times in the compressor operational process, calculating multi-group data within the set time
Average value, and the first cell mean is stored in the storage unit 104.
Beneficial effect using above-mentioned further scheme is: by storage unit 104 and computing unit 105, come judgement
Ice-lolly part improves the accuracy and efficiency of defrost.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of defrosting control method of air conditioner characterized by comprising
When air conditioner is in heating operation mode, run preset time N1, acquire presently described air conditioner complete machine power W,
Delivery temperature T and pressure at expulsion P stores first group of data as first group of data；
After continuous operating time △ t, whether the running frequency for detecting compressor meets the unlocking condition of defrost；
After meeting the unlocking condition of defrost, complete machine power W, delivery temperature T and the pressure at expulsion P of presently described air conditioner are obtained
It is compared as second group of data and first group of data, when the reduced value satisfactionization of second group of data and first group of data
Ice-lolly part carries out defrost to the air conditioner according to predetermined manner；
Wherein, the unlocking condition of the defrost is that whether running frequency is sent out after △ t between judging the compressor when running continuously
Changing；
When the compressor operating frequency changes, it is considered as the unlocking condition for being unsatisfactory for defrost；
When the compressor operating frequency does not change, it is considered as the unlocking condition for meeting defrost.
2. the defrosting control method of air conditioner as described in claim 1, which is characterized in that according to the complete machine function of the air conditioner
Rate W, delivery temperature T and pressure at expulsion P judge whether that the step of meeting defrost condition includes:
After compressor operation reaches preset time N1, first group of data is obtained；
First group of data, according within the set time to acquiring multi-group data several times in the compressor operational process；
And calculate the average value of multi-group data.
3. the defrosting control method of air conditioner as claimed in claim 2, which is characterized in that according to the complete machine function of the air conditioner
Rate W, delivery temperature T and pressure at expulsion P judge whether that the step of meeting defrost condition includes:
It is 0.5 to 3 minute according to the setting time, acquires 3,4,6,8 or 10 data within the set time and form multiple groups
Data calculate average value according to multi-group data, store as the first class mean value.
4. the defrosting control method of air conditioner as claimed in claim 3, which is characterized in that the continuous operating time △ t is 6
To 15 minutes.
5. the defrosting control method of air conditioner as described in claim 1, which is characterized in that second group of data and first group
The reduced value of data:
If the complete machine power W decline X1%, delivery temperature T decline X2% and pressure at expulsion P decline X3%, satisfactionization
Ice-lolly part.
6. the defrosting control method of air conditioner as claimed in claim 3, which is characterized in that second group of data and first group
The reduced value of mean values:
If the complete machine power W decline X1%, delivery temperature T decline X2% and pressure at expulsion P decline X3%, satisfactionization
Ice-lolly part.
7. such as the defrosting control method of air conditioner described in claim 5 or 6, which is characterized in that the predetermined manner is to described
Air conditioner carry out defrost the step of include:
The corresponding defrost time is determined according to the compressor operating time；
The defrost of the defrost time is carried out to the air conditioner according to predetermined manner.
8. a kind of defrosting control device of air conditioner characterized by comprising
Acquisition module, for when air conditioner is in heating operation mode, obtaining complete machine power W, the row of presently described air conditioner
Temperature degree T and pressure at expulsion P, wherein when air conditioner is in heating operation mode, runs preset time N1, acquire current institute
Complete machine power W, delivery temperature T and the pressure at expulsion P of air conditioner are stated as first group of data, in the unlocking condition for meeting defrost
Afterwards, complete machine power W, delivery temperature T and the pressure at expulsion P of presently described air conditioner are obtained as second group of data；
Judgment module after continuous operating time △ t, judges whether compressor operating frequency meets the unlocking condition of defrost；And sentence
The reduced value of second group of data of breaking and first group of data, which meets, carries out defrost condition；
Whether control module carries out defrost pattern or exits defrost pattern for controlling air-conditioning system, restores heating mode；
Wherein, the unlocking condition of the defrost is that whether running frequency is sent out after △ t between judging the compressor when running continuously
Changing；
When the compressor operating frequency changes, it is considered as the unlocking condition for being unsatisfactory for defrost；
When the compressor operating frequency does not change, it is considered as the unlocking condition for meeting defrost.
9. the defrosting control device of air conditioner as claimed in claim 8, which is characterized in that the judgment module includes:
Storage unit, for storing first group of data, according within the set time to being adopted in the compressor operational process
Collect a data, alternatively, according within the set time to acquiring multi-group data several times in the compressor operational process.
10. the defrosting control device of air conditioner as claimed in claim 9, which is characterized in that the judgment module includes:
Computing unit, for calculating the average value of first group of data described in multiple groups, according within the set time to the compressor
Multi-group data is acquired in operational process several times, calculates the average value of multi-group data, and the average value of first group of data is stored in
The storage unit.
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| WO2019058542A1 (en) * | 2017-09-25 | 2019-03-28 | 三菱電機株式会社 | Refrigeration device |
| CN108716756B (en) * | 2018-05-24 | 2020-10-23 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner and computer readable storage medium |
| CN108709286B (en) * | 2018-05-29 | 2020-04-07 | 珠海格力电器股份有限公司 | Defrosting control method for solving problem of mistaken defrosting of heat pump air conditioner |
| CN111140993A (en) * | 2018-11-06 | 2020-05-12 | 奥克斯空调股份有限公司 | Air conditioner heating and defrosting method and air conditioner using same |
| CN109798634B (en) * | 2019-01-30 | 2021-01-08 | 海信家电集团股份有限公司 | Defrosting method of air conditioner and air conditioner |
| CN112413819A (en) * | 2020-10-22 | 2021-02-26 | 珠海格力电器股份有限公司 | Defrosting control method, controller, air conditioner, storage medium and terminal |
| CN113203185B (en) * | 2021-06-01 | 2022-04-19 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device, computer readable storage medium and air conditioner |
| CN114151926B (en) * | 2021-11-12 | 2023-06-20 | 宁波奥克斯电气股份有限公司 | Testing method and testing device for defrosting operation parameters of air conditioner |
| CN114279110B (en) * | 2022-03-01 | 2022-05-20 | 浙江乾丰智能科技有限公司 | Intelligent defrosting device and method for air energy water heater |
| CN118423800A (en) * | 2024-07-02 | 2024-08-02 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device and air conditioning unit |
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