CN107192101B - The control method and control system of outdoor fan of air conditioner - Google Patents

The control method and control system of outdoor fan of air conditioner Download PDF

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Publication number
CN107192101B
CN107192101B CN201710463365.1A CN201710463365A CN107192101B CN 107192101 B CN107192101 B CN 107192101B CN 201710463365 A CN201710463365 A CN 201710463365A CN 107192101 B CN107192101 B CN 107192101B
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outdoor fan
air conditioner
wind speed
windscreen
default
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CN107192101A (en
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张光鹏
王立友
马剑
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Abstract

The invention proposes a kind of control method of outdoor fan of air conditioner, system, air conditioner, computer equipment, readable storage medium storing program for executing, control method includes: to start timing after air conditioner enters defrost pattern, after timing time reaches the first preset time, the windscreen X1 of outdoor fan is obtained；Judge whether X1 is more than or equal to the first default windscreen X2；When X1 is more than or equal to X2, the air outlet wind speed of outdoor fan is obtained in real time；When the air outlet wind speed of outdoor fan is less than the first default wind speed, further judge whether air outlet wind speed accumulated running time reaches the second preset time；If reaching, controls air conditioner and open outdoor fan wind speed definition mode.The present invention can judge automatically outdoor fan frosting number, when frosting is less, downshift is not carried out to the revolving speed of outdoor fan, when frosting is more, the revolving speed for controlling outdoor fan, avoiding, which blindly reduces heating capacity caused by outdoor fan gear, largely decays, and improves user experience.

Description

The control method and control system of outdoor fan of air conditioner
Technical field
The present invention relates to air conditioner technical fields, control method, control in particular to a kind of outdoor fan of air conditioner System processed, air conditioner, computer equipment, computer readable storage medium.
Background technique
In winter, during air conditioner heat-production, the outdoor fan of air conditioner will appear frost, more in frosting When, the resistance of outdoor fan rotation will increase, and before air conditioner defrosting, for motor in order to maintain identical revolving speed, power will It increases, and the increase of power is easy for leading to burning for motor.Existing control technology is exactly fixed at one section of operation of air conditioner After time, just outdoor fan is forced to reduce revolving speed, however such control mode is in the lesser situation of outdoor fan frosting, just It is be easy to cause the decaying of air conditioner heat-production ability, causes the heating effect of air conditioner bad, reduces user experience.
Therefore, the number that air conditioner judges automatically outdoor fan frosting how is solved, and is determined according to the number of frosting Whether downshift is done to the revolving speed of the outdoor fan of air conditioner and is treated as urgent problem to be solved.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, first purpose of the invention is to propose a kind of control method of outdoor fan of air conditioner.
Second object of the present invention is to propose a kind of control system of outdoor fan of air conditioner.
Third object of the present invention is to propose a kind of air conditioner.
Fourth object of the present invention is to propose a kind of computer equipment.
5th purpose of the invention is to propose a kind of computer readable storage medium.
In view of this, a purpose according to the present invention, proposes a kind of control method of outdoor fan of air conditioner, packet It includes: starting timing after air conditioner enters defrost pattern, after timing time reaches the first preset time, obtain the wind of outdoor fan Keep off X1；Judge whether windscreen X1 is more than or equal to the first default windscreen X2；It is real when windscreen X1 is more than or equal to the first default windscreen X2 When obtain outdoor fan air outlet wind speed；When the air outlet wind speed of outdoor fan is less than the first default wind speed, further sentence Whether disconnected air outlet wind speed reaches the second preset time less than the first default wind speed accumulated running time；If reaching, sky is controlled Device is adjusted to open outdoor fan wind speed definition mode.
The control method of outdoor fan of air conditioner provided by the invention, when air-conditioning heating operation, system enters defrost meter When, after timing time reaches the first preset time, obtain the windscreen X1 of outdoor fan of air conditioner, the first preset time here Less than shortest defrost timing, the time of the full frost of outdoor fan knot in worst situation may be generally defined as, it can also be voluntarily Definition.When windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；Work as outdoor fan Air outlet wind speed less than the first default wind speed when, further judge air outlet wind speed accumulated running time whether reach second in advance If the time, because obtaining the air outlet wind speed of the outdoor fan at a certain moment, there may be error or fluctuations, and further judge Whether the air outlet wind speed of the outdoor fan in a period of time is respectively less than the first default wind speed, can increase the accuracy of judgement. If the air outlet wind speed of outdoor fan of air conditioner reaches the second preset time less than the accumulated running time of the first default wind speed, Show that air outlet frosting at this time is more, then just control outdoor fan enters wind speed definition mode.The present invention can judge automatically The number of outdoor fan frosting, when frosting is less, does not do downshift processing to the revolving speed of outdoor fan, and when frosting is more, it is right The revolving speed of outdoor fan is controlled, and avoiding, which blindly reduces heating capacity caused by outdoor fan gear, largely decays, and is improved User experience.
The control method of above-mentioned outdoor fan of air conditioner according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that as windscreen X1 windscreen X2 default less than first, then control air conditioner and open often Scale formula.
In the technical scheme, as the real-time windscreen X1 of air conditioner windscreen X2 default less than first, show air conditioner at this time There is no frosting or frosting less, then control air conditioner starts normal mode, downshift processing is not done to air conditioner, ensure that air-conditioning The heating stability of device, improves user experience.
In any of the above-described technical solution, it is preferable that when the air outlet wind speed of outdoor fan is more than or equal to the first default wind When fast, then control air conditioner and open normal mode.
In the technical scheme, when the air outlet wind speed of outdoor fan is more than or equal to the first default wind speed, show at this time Air conditioner does not have frosting or frosting less, then control air conditioner starts normal mode, does not do downshift processing to air conditioner, guarantees The heating stability of air conditioner, improves user experience.
In any of the above-described technical solution, it is preferable that when air outlet wind speed is less than the first default wind speed accumulated running time Not up to the second preset time then controls air conditioner and opens normal mode.
In the technical scheme, when the air outlet wind speed of outdoor fan does not reach less than the first default wind speed accumulated running time To the second preset time, show that air conditioner frosting at this time is not much, then control air conditioner starts normal mode, not to air conditioner Downshift processing is done, the heating stability of air conditioner is ensure that, improves user experience.
In any of the above-described technical solution, it is preferable that before air conditioner enters defrost pattern, further includes: judge environment Whether temperature is between the first preset temperature value, the second preset temperature value, and the first preset temperature value is less than the second preset temperature Value；When environment temperature is between the first preset temperature value, the second preset temperature value, then further judge whether air conditioner enters Defrost pattern；When environment temperature is not between the first preset temperature value, the second preset temperature value, then control air conditioner open it is normal Scale formula.
In the technical scheme, when air-conditioning heating is run, first determine whether current environment temperature is pre- between first If between temperature value, the second preset temperature value, the first preset temperature and the second preset temperature can be used according to specific air-conditioning The environment in place is configured, for example, it is -5 DEG C that the first preset temperature, which can be set, in the special dry north, second is default Temperature is 0 DEG C, and being lower than the first preset temperature in temperature is -5 DEG C, there is humidity deficit, the outdoor fan of air-conditioning would not be tied Frost or frosting degree very little, if temperature is higher than 0 DEG C, the also not up to temperature sublimated of vapor, without judging that air conditioner is again It is no to enter defrost pattern, but directly control air conditioner and run in a conventional mode, reduce the workload of air conditioner.
In any of the above-described technical solution, it is preferable that outdoor fan wind speed definition mode is opened, specifically: outside control room The windscreen of blower reduces N number of gear, wherein the integer of N >=1.
In the technical scheme, outdoor fan wind speed definition mode is opened, specifically: the windscreen for controlling outdoor fan reduces N number of gear so that air conditioner judge automatically out outdoor fan frosting degree it is more in the case where, the automatic wind for reducing outdoor fan Fast gear, avoid blindness reduction outdoor fan wind-speed gear, caused by heating capacity largely decay, improve user's body Degree of testing.Wherein, N is the integer of wherein N >=1, and the running current that can be directed to current outdoor blower and/or operation power setting are not Same N value, outdoor fan running current and/or operation power are bigger, and N value is bigger accordingly.
In any of the above-described technical solution, it is preferable that after the N number of gear of windscreen reduction for controlling outdoor fan, further includes: Judge whether air conditioner reaches defrost condition；When air conditioner reaches defrost condition, then controls air conditioner and start defrost；Work as air conditioner Not up to defrost condition, after third preset time, repetition judges whether air conditioner reaches defrost condition.
In the technical scheme, after the N number of gear of windscreen reduction for controlling outdoor fan, after outdoor fan is according to downshift Wind speed remain in operation, when meeting defrost condition, control air conditioner start defrost, if air conditioner is not up to defrost condition, warp After crossing third preset time, repetition judges whether air conditioner reaches defrost condition, starts after air conditioner meets defrost condition Defrost, so that air conditioner before defrost starts, can judge automatically the number of outdoor fan frosting, it is not right when frosting is less The revolving speed of outdoor fan does downshift processing, and when frosting is more, the revolving speed of outdoor fan is controlled, both can guarantee in room When outer blower frosting is more, the windscreen of outdoor fan is reduced, is destroyed to avoid motor because power is excessive, it also can be in outdoor fan Frosting it is less when, guarantee the heating capacity of air conditioner, the user experience is improved degree.Terminate in this defrost of air conditioner circulation Afterwards, judge how current environmental temperature whether between the first preset temperature and the second preset temperature, is controlled with judgement again Outdoor fan in next defrost circulation.
In any of the above-described technical solution, it is preferable that the first preset time is less than the meter in any defrost circulation before defrost When the time；Second preset time is 30s；First default wind speed is the maximum of air conditioner wind outlet in preset time after defrost Wind speed X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of air conditioner wind outlet.
In the technical scheme, the first preset time is less than the timing time in any defrost circulation before defrost, generally may be used It is defined as the time of the full frost of outdoor fan knot in worst situation, it can also be with self-defining, so that ensuring any defrost circulation Determine whether to carry out downshift to outdoor fan before defrost starts.After air-conditioning defrost, outdoor fan defrost knot at this time Beam, outdoor fan are in frostless state or close to frostless states, and the maximum wind velocity X3 of air outlet in preset time is taken to subtract second Wind speed is preset as the first default wind speed, the real-time air outlet wind speed of air conditioner is compared with the first default wind speed, it can be automatic Judge current outdoor blower whether frosting and/or frosting how much.
According to the second object of the invention, a kind of control system of outdoor fan of air conditioner is proposed, comprising: first obtains Unit is taken, for starting timing after air conditioner enters defrost pattern, after timing time reaches the first preset time, is obtained outdoor The windscreen X1 of blower；First judging unit, for judging whether windscreen X1 is more than or equal to the first default windscreen X2；Second obtains list Member, for obtaining the air outlet wind speed of outdoor fan in real time when windscreen X1 is more than or equal to the first default windscreen X2；Second judgement Unit further judges air outlet wind speed less than for when the air outlet wind speed of outdoor fan is less than the first default wind speed Whether one default wind speed accumulated running time reached the second preset time；First control unit, for air outlet wind speed less than the The accumulated running time of one default wind speed reaches the second preset time, and control outdoor fan is run according to wind speed definition mode.
The control system of outdoor fan of air conditioner provided by the invention, when air-conditioning heating operation, system enters defrost meter When, after timing time reaches the first preset time, first acquisition unit obtains the windscreen X1 of outdoor fan of air conditioner, here First preset time is less than shortest defrost timing, may be generally defined as the full frost of outdoor fan knot in worst situation when Between, it can also be with self-defining.When the first judging unit judges that windscreen X1 is more than or equal to the first default windscreen X2, second obtains list First air outlet wind speed for obtaining outdoor fan in real time；When the air outlet wind speed of outdoor fan is less than the first default wind speed, second Judging unit further judges whether air outlet wind speed accumulated running time reaches the second preset time, because obtaining a certain moment The air outlet wind speed of outdoor fan there may be error or fluctuations, and further judge going out for outdoor fan in a period of time Whether air port wind speed is respectively less than the first default wind speed, can increase the accuracy of judgement.If the outlet air of outdoor fan of air conditioner One's intention as revealed in what one says speed reaches the second preset time less than the accumulated running time of the first default wind speed, shows that air outlet frosting at this time is more, So first control unit just controls outdoor fan and enters wind speed definition mode.The present invention can judge automatically outdoor fan frosting Number, when frosting is less, downshift processing is not done to the revolving speed of outdoor fan, and when frosting is more, outdoor fan is turned Speed is controlled, and avoiding, which blindly reduces heating capacity caused by outdoor fan gear, largely decays, and improves user experience.
The control system of above-mentioned outdoor fan of air conditioner according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that the second control unit, for working as windscreen X1 windscreen X2 default less than first, It controls air conditioner and opens normal mode.
In the technical scheme, as the real-time windscreen X1 of air conditioner windscreen X2 default less than first, show air conditioner at this time There is no frosting or frosting less, then the second control unit control air conditioner starts normal mode, air conditioner is not done at downshift Reason, ensure that the heating stability of air conditioner, improves user experience.
In any of the above-described technical solution, it is preferable that the second control unit is also used to the air outlet wind speed when outdoor fan When more than or equal to the first default wind speed, then controls air conditioner and open normal mode.
In the technical scheme, when the air outlet wind speed of outdoor fan is more than or equal to the first default wind speed, show at this time Air conditioner does not have frosting or frosting less, then the second control unit control air conditioner starts normal mode, does not do to air conditioner Downshift processing, ensure that the heating stability of air conditioner, improves user experience.
In any of the above-described technical solution, it is preferable that the second control unit is also used to pre- less than first when air outlet wind speed If the accumulated running time of wind speed is not up to the second preset time, then controls air conditioner and open normal mode.
In the technical scheme, when the air outlet wind speed of outdoor fan does not reach less than the first default wind speed accumulated running time To the second preset time, show that air conditioner frosting at this time is not much, then the second control unit control air conditioner starts conventional mould Formula does not do downshift processing to air conditioner, ensure that the heating stability of air conditioner, improves user experience.
In any of the above-described technical solution, it is preferable that third judging unit, for judging environment temperature whether between first Between preset temperature value, the second preset temperature value, the first preset temperature value is less than the second preset temperature value；4th judging unit, For when environment temperature between the first preset temperature value, the second preset temperature value, then further judge air conditioner whether into Enter defrost pattern；Second control unit, be also used to when environment temperature not between the first preset temperature value, the second preset temperature value it Between, then it controls air conditioner and opens normal mode.
In the technical scheme, when air-conditioning heating is run, third judging unit judges that current environment temperature is first It is no between the first preset temperature value, the second preset temperature value, the first preset temperature and the second preset temperature can be according to tools The environment of the air-conditioning place to use of body is configured, for example, it is -5 that the first preset temperature, which can be set, in the special dry north DEG C, the second preset temperature is 0 DEG C, and being lower than the first preset temperature in temperature is -5 DEG C, there is humidity deficit, the outdoor wind of air-conditioning Machine would not frosting or frosting degree very little, if temperature is higher than 0 DEG C, the also not up to temperature sublimated of vapor is sentenced without the 4th Disconnected unit judges whether air conditioner enters defrost pattern again, but the second control unit directly controls air conditioner transports in a conventional mode Row, reduces the workload of air conditioner.
In any of the above-described technical solution, it is preferable that first control unit specifically includes: the first control subelement is used for The windscreen for controlling outdoor fan reduces N number of gear, wherein the integer of N >=1.
In the technical scheme, first control unit specifically: the first control subelement controls the windscreen drop of outdoor fan Low N number of gear so that air conditioner judge automatically out outdoor fan frosting degree it is more in the case where, the automatic outdoor fan that reduces Wind-speed gear, avoid blindness reduction outdoor fan wind-speed gear, caused by heating capacity largely decay, improve user Experience Degree.Wherein, N is the integer of wherein N >=1, can be directed to running current and/or the operation power setting of current outdoor blower Different N values, outdoor fan running current and/or operation power are bigger, and N value is bigger accordingly.
In any of the above-described technical solution, it is preferable that the 5th judging unit, for judging whether air conditioner reaches defrost item Part；Third control unit then controls air conditioner and starts defrost for reaching defrost condition when air conditioner；5th judging unit, also For being not up to defrost condition when air conditioner, after third preset time, repetition judges whether air conditioner reaches defrost condition.
In the technical scheme, after the N number of gear of windscreen reduction for controlling outdoor fan, after outdoor fan is according to downshift Wind speed remain in operation, when the 5th judging unit judges that air conditioner meets defrost condition, third control unit control air conditioner Start defrost, if air conditioner is not up to defrost condition, after third preset time, the 5th judging unit repeats to judge air conditioner Whether reach defrost condition, starts defrost after air conditioner meets defrost condition, so that air conditioner is before defrost starts, energy The number for enough judging automatically outdoor fan frosting, when frosting is less, does not do downshift processing to the revolving speed of outdoor fan, and in frosting When more, the revolving speed of outdoor fan is controlled, both can guarantee when outdoor fan frosting is more, reduced the wind of outdoor fan Gear, destroys because power is excessive to avoid motor, when the frosting of outdoor fan is less, can also guarantee the heating energy of air conditioner Power, the user experience is improved spends.Air conditioner this defrost after circulation terminates, judge current environmental temperature whether between again Between one preset temperature and the second preset temperature, to judge how to control the outdoor fan in next defrost circulation.
In any of the above-described technical solution, it is preferable that the first preset time is less than the meter in any defrost circulation before defrost When the time；Second preset time is 30s；First default wind speed is the maximum of air conditioner wind outlet in preset time after defrost Wind speed X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of air conditioner wind outlet.
In the technical scheme, the first preset time is less than the timing time in any defrost circulation before defrost, generally may be used It is defined as the time of the full frost of outdoor fan knot in worst situation, it can also be with self-defining, so that ensuring any defrost circulation Determine whether to carry out downshift to outdoor fan before defrost starts.After air-conditioning defrost, outdoor fan defrost knot at this time Beam, outdoor fan are in frostless state or close to frostless states, and the maximum wind velocity X3 of air outlet in preset time is taken to subtract second Wind speed is preset as the first default wind speed, the real-time air outlet wind speed of air conditioner is compared with the first default wind speed, it can be automatic Judge current outdoor blower whether frosting and/or frosting how much.
Third purpose according to the present invention, the present invention provides a kind of air conditioners, comprising: outdoor unit blower；On and The control system of outdoor fan of air conditioner described in any technical solution is stated, the control system of outdoor fan of air conditioner is for stating outdoor Machine blower is controlled.
Air conditioner provided by the invention, the control system including outdoor fan of air conditioner described in any of the above-described technical solution System, therefore whole beneficial effects of the control system with the outdoor fan of air conditioner, details are not described herein.
4th purpose according to the present invention, the present invention provides a kind of computer equipment, including memory, processor and The computer program that can be run on a memory and on a processor is stored, processor realizes following step when executing computer program It is rapid: to start timing after air conditioner enters defrost pattern, after timing time reaches the first preset time, obtain the wind of outdoor fan Keep off X1；Judge whether windscreen X1 is more than or equal to the first default windscreen X2；It is real when windscreen X1 is more than or equal to the first default windscreen X2 When obtain outdoor fan air outlet wind speed；When the air outlet wind speed of outdoor fan is less than the first default wind speed, further sentence Whether disconnected air outlet wind speed reaches the second preset time less than the first default wind speed accumulated running time；If reaching, sky is controlled Device is adjusted to open outdoor fan wind speed definition mode.
A kind of computer equipment provided by the invention, processor are realized when executing computer program: when air-conditioning heating is run When, system enters defrost timing, after timing time reaches the first preset time, the windscreen X1 of outdoor fan of air conditioner is obtained, Here the first preset time is less than shortest defrost timing, may be generally defined as outdoor fan knot Man Shuan in worst situation Time, can also be with self-defining.When windscreen X1 is more than or equal to the first default windscreen X2, the outlet air of outdoor fan is obtained in real time One's intention as revealed in what one says speed；When the air outlet wind speed of outdoor fan is less than the first default wind speed, the accumulative operation of air outlet wind speed is further judged Whether the time reaches the second preset time because obtain the air outlet wind speed of the outdoor fan at a certain moment there may be error or Fluctuation, and further judge whether the air outlet wind speed of outdoor fan in a period of time is respectively less than the first default wind speed, can be with Increase the accuracy of judgement.If the air outlet wind speed of outdoor fan of air conditioner is less than the accumulated running time of the first default wind speed Reach the second preset time, show that air outlet frosting at this time is more, then just control outdoor fan enters wind speed definition mode.This Invention can judge automatically the number of outdoor fan frosting, when frosting is less, not do downshift processing to the revolving speed of outdoor fan, and When frosting is more, the revolving speed of outdoor fan is controlled, avoids blindly reducing heating capacity caused by outdoor fan gear A large amount of decaying, improve user experience.
5th purpose according to the present invention, the present invention provides a kind of computer readable storage mediums, are stored thereon with Computer program performs the steps of when computer program is executed by processor and starts to count after air conditioner enters defrost pattern When, after timing time reaches the first preset time, obtain the windscreen X1 of outdoor fan；Judge whether windscreen X1 is more than or equal to first Default windscreen X2；When windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；Work as room When the air outlet wind speed of outer blower is less than the first default wind speed, further judge that air outlet wind speed is accumulative less than the first default wind speed Whether runing time reaches the second preset time；If reaching, controls air conditioner and open outdoor fan wind speed definition mode.
A kind of computer readable storage medium provided by the invention is stored thereon with computer program, computer program quilt Processor is realized when executing: when air-conditioning heating operation, system enters defrost timing, when timing time reaches the first preset time Afterwards, the windscreen X1 of outdoor fan of air conditioner is obtained, the first preset time here is less than shortest defrost timing, general to can define It, can also be with self-defining for the time of the full frost of outdoor fan knot in worst situation.It is preset when windscreen X1 is more than or equal to first When windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；When the air outlet wind speed of outdoor fan is less than the first default wind speed When, further judge whether air outlet wind speed accumulated running time reaches the second preset time, because obtaining the room at a certain moment There may be error or fluctuations for the air outlet wind speed of outer blower, and further judge the air outlet of the outdoor fan in a period of time Whether wind speed is respectively less than the first default wind speed, can increase the accuracy of judgement.If the outlet air one's intention as revealed in what one says of outdoor fan of air conditioner Speed reaches the second preset time less than the accumulated running time of the first default wind speed, shows that air outlet frosting at this time is more, then Wind speed definition mode is entered with regard to control outdoor fan.The present invention can judge automatically the number of outdoor fan frosting, and frosting is less When, downshift processing is not done to the revolving speed of outdoor fan, and when frosting is more, the revolving speed of outdoor fan is controlled, is avoided It blindly reduces heating capacity caused by outdoor fan gear largely to decay, improves user experience.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 shows the flow diagram of the control method of the outdoor fan of air conditioner of one embodiment of the present of invention；
Fig. 2 shows the flow diagrams of the control method of the outdoor fan of air conditioner of another embodiment of the invention；
Fig. 3 shows the schematic block diagram of the control system of the outdoor fan of air conditioner of one embodiment of the present of invention；
Fig. 4 shows the schematic block diagram of the control system of the outdoor fan of air conditioner of another embodiment of the invention；
Fig. 5 shows the schematic block diagram of the computer equipment of one embodiment of the present of invention；
Fig. 6 shows the process signal of the control method of the outdoor fan of air conditioner of a specific embodiment of the invention Figure.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not limited to following public affairs The limitation for the specific embodiment opened.
The embodiment of first aspect present invention, proposes a kind of control method of outdoor fan of air conditioner, and Fig. 1 shows this hair The flow diagram of the control method of the outdoor fan of air conditioner of bright one embodiment:
Step 102, start timing after air conditioner enters defrost pattern to obtain after timing time reaches the first preset time Take the windscreen X1 of outdoor fan；
Step 104, judge whether windscreen X1 is more than or equal to the first default windscreen X2；
Step 106, when windscreen X1 is more than or equal to the first default windscreen X2, the outlet air one's intention as revealed in what one says of outdoor fan is obtained in real time Speed；
Step 108, when the air outlet wind speed of outdoor fan is less than the first default wind speed, further judge air outlet wind speed Whether reach the second preset time less than the first default wind speed accumulated running time, if reaching, controls outside air conditioner opening chamber Blower wind speed definition mode.
The control method of outdoor fan of air conditioner provided by the invention, when air-conditioning heating operation, system enters defrost meter When, after timing time reaches the first preset time, obtain the windscreen X1 of outdoor fan of air conditioner, the first preset time here Less than shortest defrost timing, the time of the full frost of outdoor fan knot in worst situation may be generally defined as, it can also be voluntarily Definition.When windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；Work as outdoor fan Air outlet wind speed less than the first default wind speed when, further judge air outlet wind speed accumulated running time whether reach second in advance If the time, because obtaining the air outlet wind speed of the outdoor fan at a certain moment, there may be error or fluctuations, and further judge Whether the air outlet wind speed of the outdoor fan in a period of time is respectively less than the first default wind speed, can increase the accuracy of judgement. If the air outlet wind speed of outdoor fan of air conditioner reaches the second preset time less than the accumulated running time of the first default wind speed, Show that air outlet frosting at this time is more, then just control outdoor fan enters wind speed definition mode.The present invention can judge automatically The number of outdoor fan frosting, when frosting is less, does not do downshift processing to the revolving speed of outdoor fan, and when frosting is more, it is right The revolving speed of outdoor fan is controlled, and avoiding, which blindly reduces heating capacity caused by outdoor fan gear, largely decays, and is improved User experience.
Fig. 2 shows the flow diagrams of the control method of the outdoor fan of air conditioner of another embodiment of the invention. Wherein, this method comprises:
Step 202, whether judge environment temperature between the first preset temperature value, the second preset temperature value, is, then into Enter step 204, it is no, then enter step 218；
Step 204, judge whether air conditioner enters defrost pattern, be, then enter step 206, it is no, then enter step 218；
Step 206, start timing after air conditioner enters defrost pattern to obtain after timing time reaches the first preset time Take the windscreen X1 of outdoor fan；
Step 208, judge whether windscreen X1 is more than or equal to the first default windscreen X2, be then to enter step 210, it is no, then into Enter step 218；
Step 210, the air outlet wind speed of outdoor fan is obtained in real time；
Step 212, judge that the air outlet wind speed of outdoor fan is then to enter step whether less than the first default wind speed 214, it is no, then enter step 218；
Step 214, judge air outlet wind speed less than the first default wind speed accumulated running time whether reach second it is default when Between, it is then to enter step 216, it is no, then enter step 218；
Step 216, control outdoor fan is to reduce the operation of the wind-speed gear after N number of wind-speed gear；
Step 218, control air conditioner is run in a conventional mode；
Step 220, judge whether air conditioner reaches defrost condition, be, then enter step 222, no, then repeatedly step 220；
Step 222, control air conditioner starts defrost.
In one embodiment of the invention, it is preferable that as windscreen X1 windscreen X2 default less than first, then control air conditioner Open normal mode.
In this embodiment, as the real-time windscreen X1 of air conditioner windscreen X2 default less than first, show that air conditioner does not have at this time There are frosting or frosting less, then control air conditioner starts normal mode, downshift processing is not done to air conditioner, ensure that air conditioner Heating stability, improve user experience.
In one embodiment of the invention, it is preferable that preset when the air outlet wind speed of outdoor fan is more than or equal to first When wind speed, then controls air conditioner and open normal mode.
In this embodiment, when the air outlet wind speed of outdoor fan is more than or equal to the first default wind speed, show this space-time It adjusts device there is no frosting or frosting less, then control air conditioner starts normal mode, downshift processing is not done to air conditioner, ensure that The heating stability of air conditioner, improves user experience.
In one embodiment of the invention, it is preferable that when the operation accumulative less than the first default wind speed of air outlet wind speed Between not up to the second preset time, then control air conditioner open normal mode.
In this embodiment, when the air outlet wind speed of outdoor fan is not up to less than the first default wind speed accumulated running time Second preset time shows that air conditioner frosting at this time is not much, then control air conditioner starts normal mode, does not do to air conditioner Downshift processing, ensure that the heating stability of air conditioner, improves user experience.
In one embodiment of the invention, it is preferable that before air conditioner enters defrost pattern, further includes: judge ring Whether border temperature is between the first preset temperature value, the second preset temperature value, and the first preset temperature value is less than the second default temperature Angle value；When environment temperature is between the first preset temperature value, the second preset temperature value, then further judge air conditioner whether into Enter defrost pattern；When environment temperature is not between the first preset temperature value, the second preset temperature value, then air conditioner unlatching is controlled Normal mode.
In this embodiment, when air-conditioning heating is run, first determine whether current environment temperature is default between first Between temperature value, the second preset temperature value, the first preset temperature and the second preset temperature can use ground according to specific air-conditioning The environment of point is configured, for example, it is -5 DEG C that the first preset temperature, which can be set, the second default temperature in the special dry north Degree is 0 DEG C, and being lower than the first preset temperature in temperature is -5 DEG C, there is humidity deficit, the outdoor fan of air-conditioning would not frosting Or frosting degree very little, if temperature is higher than 0 DEG C, the also not up to temperature sublimated of vapor, without whether judging air conditioner again It into defrost pattern, but directly controls air conditioner and runs in a conventional mode, reduce the workload of air conditioner.
In one embodiment of the invention, it is preferable that outdoor fan wind speed definition mode is opened, specifically: control room The windscreen of outer blower reduces N number of gear, wherein the integer of N >=1.
In this embodiment, outdoor fan wind speed definition mode is opened, specifically: the windscreen for controlling outdoor fan reduces N A gear so that air conditioner judge automatically out outdoor fan frosting degree it is more in the case where, the automatic wind for reducing outdoor fan Fast gear, avoid blindness reduction outdoor fan wind-speed gear, caused by heating capacity largely decay, improve user's body Degree of testing.Wherein, N is the integer of wherein N >=1, and the running current that can be directed to current outdoor blower and/or operation power setting are not Same N value, outdoor fan running current and/or operation power are bigger, and N value is bigger accordingly.
In one embodiment of the invention, it is preferable that after the N number of gear of windscreen reduction for controlling outdoor fan, also wrap It includes: judging whether air conditioner reaches defrost condition；When air conditioner reaches defrost condition, then controls air conditioner and start defrost；Work as sky Device is adjusted to be not up to defrost condition, after third preset time, repetition judges whether air conditioner reaches defrost condition.
In this embodiment, after the N number of gear of windscreen reduction for controlling outdoor fan, outdoor fan is later according to downshift Wind speed remains in operation, and when meeting defrost condition, control air conditioner starts defrost, if air conditioner is not up to defrost condition, passes through After third preset time, repetition judges whether air conditioner reaches defrost condition, the beginning after air conditioner meets defrost condition Frost, so that air conditioner before defrost starts, can judge automatically the number of outdoor fan frosting, when frosting is less, not to room The revolving speed of outer blower does downshift processing, and when frosting is more, the revolving speed of outdoor fan is controlled, both can guarantee in outdoor When blower frosting is more, the windscreen of outdoor fan is reduced, is destroyed to avoid motor because power is excessive, it also can be in outdoor fan When frosting is less, guarantee the heating capacity of air conditioner, the user experience is improved spends.Air conditioner this defrost after circulation terminates, Judge again current environmental temperature whether between the first preset temperature and the second preset temperature, with judgement how to control it is next Outdoor fan in defrost circulation.
In one embodiment of the invention, it is preferable that, the first preset time is less than in any defrost circulation before defrost Timing time；Second preset time is 30s；First default wind speed is the maximum wind velocity of air outlet in preset time after defrost X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of air outlet.
In this embodiment, the first preset time is less than the timing time in any defrost circulation before defrost, can generally determine Justice is the time of the full frost of outdoor fan knot in worst situation, can also be with self-defining, so that ensuring that any defrost circulates in Defrost determines whether to carry out downshift to outdoor fan before starting.After air-conditioning defrost, defrost terminates outdoor fan at this time, Outdoor fan is in frostless state or close to frostless state, takes the maximum wind velocity X3 of air outlet in preset time to subtract second default Wind speed compares as the first default wind speed, by the real-time air outlet wind speed of air conditioner with the first default wind speed, can judge automatically Out current outdoor blower whether frosting and/or frosting how much.
The embodiment of second aspect of the present invention proposes a kind of control system 300 of outdoor fan of air conditioner, and Fig. 3 is shown The schematic block diagram of the control system of the outdoor fan of air conditioner of one embodiment of the present of invention:
First acquisition unit 302, for starting timing after air conditioner enters defrost pattern, it is pre- that timing time reaches first If after the time, obtaining the windscreen X1 of outdoor fan；
First judging unit 304, for judging whether windscreen X1 is more than or equal to the first default windscreen X2；
Second acquisition unit 306, for obtaining outdoor fan in real time when windscreen X1 is more than or equal to the first default windscreen X2 Air outlet wind speed；
Second judgment unit 308, for further sentencing when the air outlet wind speed of outdoor fan is less than the first default wind speed Whether disconnected air outlet wind speed reaches the second preset time less than the first default wind speed accumulated running time；
First control unit 310, the accumulated running time for air outlet wind speed less than the first default wind speed reach second Preset time, control outdoor fan are run according to wind speed definition mode.
The control system 300 of outdoor fan of air conditioner provided by the invention, when air-conditioning heating operation, system enters defrost Timing, after timing time reaches the first preset time, first acquisition unit 302 obtains the windscreen X1 of outdoor fan of air conditioner, Here the first preset time is less than shortest defrost timing, may be generally defined as outdoor fan knot Man Shuan in worst situation Time, can also be with self-defining.When the first judging unit 304 judges that windscreen X1 is more than or equal to the first default windscreen X2, the Two acquiring units 306 obtain the air outlet wind speed of outdoor fan in real time；When the air outlet wind speed of outdoor fan is default less than first When wind speed, second judgment unit 308 further judges whether air outlet wind speed accumulated running time reaches the second preset time, because For the air outlet wind speed of outdoor fan that obtains a certain moment, there may be error or fluctuations, and further judge in a period of time Outdoor fan air outlet wind speed whether be respectively less than the first default wind speed, the accuracy of judgement can be increased.If air conditioner The air outlet wind speed of outdoor fan reaches the second preset time less than the accumulated running time of the first default wind speed, shows to go out at this time Air port frosting is more, then just control outdoor fan enters wind speed definition mode to first control unit 310.The present invention can be automatic The number for judging outdoor fan frosting, when frosting is less, does not do downshift processing to the revolving speed of outdoor fan, and more in frosting When, the revolving speed of outdoor fan is controlled, avoiding, which blindly reduces heating capacity caused by outdoor fan gear, largely decays, and mentions High user experience.
Fig. 4 shows the schematic block diagram of the control system 400 of the outdoor fan of air conditioner of another embodiment of the invention. Wherein, which includes:
Third judging unit 402, for judging environment temperature whether between the first preset temperature value, the second preset temperature value Between；
4th judging unit 404, for working as environment temperature between the first preset temperature value, the second preset temperature value, Then further judge whether air conditioner enters defrost pattern；
Second control unit 406, for when environment temperature not between the first preset temperature value, the second preset temperature value it Between, then it controls air conditioner and opens normal mode；
First acquisition unit 408, for starting timing after air conditioner enters defrost pattern, it is pre- that timing time reaches first If after the time, obtaining the windscreen X1 of outdoor fan；
First judging unit 410, for judging whether windscreen X1 is more than or equal to the first default windscreen X2；
Second acquisition unit 412, for obtaining outdoor fan in real time when windscreen X1 is more than or equal to the first default windscreen X2 Air outlet wind speed；
Second judgment unit 414, for further sentencing when the air outlet wind speed of outdoor fan is less than the first default wind speed Whether disconnected air outlet wind speed reaches the second preset time less than the first default wind speed accumulated running time；
First control unit 416, the accumulated running time for air outlet wind speed less than the first default wind speed reach second Preset time, control outdoor fan are run according to wind speed definition mode；
Second control unit 406 is also used to as windscreen X1 windscreen X2 default less than first, and control air conditioner opens conventional mould Formula；
Second control unit 406 is also used to then control when the air outlet wind speed of outdoor fan is greater than the first default wind speed Air conditioner opens normal mode；
Second control unit 406 is also used to not reach when air outlet wind speed less than the accumulated running time of the first default wind speed To the second preset time, then controls air conditioner and open normal mode；
5th judging unit 418, for judging whether air conditioner reaches defrost condition；
Third control unit 420 then controls air conditioner and starts defrost for reaching defrost condition when air conditioner；
5th judging unit 418 is also used to be not up to defrost condition when air conditioner, after third preset time, repeats Judge whether air conditioner reaches defrost condition.
Wherein, first control unit 416 is specially to control subelement 4162, and N number of wind is reduced for controlling outdoor fan Wind-speed gear after fast gear is run, wherein the integer of N >=1.
In one embodiment of the invention, it is preferable that the second control unit 406, it is pre- less than first for working as windscreen X1 If windscreen X2, control air conditioner opens normal mode.
In this embodiment, as the real-time windscreen X1 of air conditioner windscreen X2 default less than first, show that air conditioner does not have at this time There are frosting or frosting less, then the second control unit 406 control air conditioner starts normal mode, air conditioner is not done at downshift Reason, ensure that the heating stability of air conditioner, improves user experience.
In one embodiment of the invention, it is preferable that the second control unit 406 is also used to the outlet air when outdoor fan When one's intention as revealed in what one says speed is more than or equal to the first default wind speed, then controls air conditioner and open normal mode.
In this embodiment, when the air outlet wind speed of outdoor fan is more than or equal to the first default wind speed, show this space-time It adjusts device there is no frosting or frosting less, then the second control unit 406 control air conditioner starts normal mode, air conditioner is not done Downshift processing, ensure that the heating stability of air conditioner, improves user experience.
In one embodiment of the invention, it is preferable that the second control unit 406 is also used to be less than when air outlet wind speed The accumulated running time of first default wind speed is not up to the second preset time, then controls air conditioner and open normal mode.
In this embodiment, when the air outlet wind speed of outdoor fan is not up to less than the first default wind speed accumulated running time Second preset time shows that air conditioner frosting at this time is not much, then the second control unit 406 control air conditioner starts conventional mould Formula does not do downshift processing to air conditioner, ensure that the heating stability of air conditioner, improves user experience.
In one embodiment of the invention, it is preferable that third judging unit 402, for judging whether environment temperature is situated between Between the first preset temperature value, the second preset temperature value, the first preset temperature value is less than the second preset temperature value；4th judgement Unit 404 then further judges air-conditioning for working as environment temperature between the first preset temperature value, the second preset temperature value Whether device enters defrost pattern；Second control unit 406 is also used to when environment temperature is not between the first preset temperature value, second Between preset temperature value, then controls air conditioner and open normal mode.
In this embodiment, when air-conditioning heating is run, third judging unit 402 judges that current environment temperature is first It is no between the first preset temperature value, the second preset temperature value, the first preset temperature and the second preset temperature can be according to tools The environment of the air-conditioning place to use of body is configured, for example, it is -5 that the first preset temperature, which can be set, in the special dry north DEG C, the second preset temperature is 0 DEG C, and being lower than the first preset temperature in temperature is -5 DEG C, there is humidity deficit, the outdoor wind of air-conditioning Machine would not frosting or frosting degree very little, if temperature is higher than 0 DEG C, the also not up to temperature sublimated of vapor is sentenced without the 4th Disconnected unit 404 judges whether air conditioner enters defrost pattern again, but the second control unit 406 directly controls air conditioner with routine Mode operation reduces the workload of air conditioner.
In one embodiment of the invention, it is preferable that first control unit 416 specifically includes: the first control subelement 4162, the windscreen for controlling outdoor fan reduces N number of gear, wherein the integer of N >=1.
In this embodiment, first control unit 416 specifically: the first control subelement 4162 controls outdoor fan Windscreen reduces N number of gear so that air conditioner judge automatically out outdoor fan frosting degree it is more in the case where, it is automatic reduce it is outdoor The wind-speed gear of blower, avoid blindness reduction outdoor fan wind-speed gear, caused by heating capacity largely decay, improve User experience.Wherein, N is the integer of wherein N >=1, can be for the running current and/or operation function of current outdoor blower Different N values is arranged in rate, and outdoor fan running current and/or operation power are bigger, and N value is bigger accordingly.
In one embodiment of the invention, it is preferable that the 5th judging unit 418, for judging whether air conditioner reaches Defrost condition；Third control unit 420 then controls air conditioner and starts defrost for reaching defrost condition when air conditioner；5th sentences Disconnected unit 418 is also used to be not up to defrost condition when air conditioner, and after third preset time, whether repetition judges air conditioner Reach defrost condition.
In this embodiment, after the N number of gear of windscreen reduction for controlling outdoor fan, outdoor fan is later according to downshift Wind speed remains in operation, and when the 5th judging unit 418 judges that air conditioner meets defrost condition, third control unit 420 controls sky Device is adjusted to start defrost, if air conditioner is not up to defrost condition, after third preset time, the 5th judging unit 418 repeats to sentence Whether disconnected air conditioner reaches defrost condition, starts defrost after air conditioner meets defrost condition, so that air conditioner is opened in defrost Before beginning, the number of outdoor fan frosting can be judged automatically, when frosting is less, the revolving speed of outdoor fan is not done at downshift Reason, and when frosting is more, the revolving speed of outdoor fan is controlled, both can guarantee when outdoor fan frosting is more, is reduced The windscreen of outdoor fan is destroyed to avoid motor because power is excessive, also can guarantee air-conditioning when the frosting of outdoor fan is less The heating capacity of device, the user experience is improved spends.Air conditioner this defrost after circulation terminates, judge current environmental temperature again Whether between the first preset temperature and the second preset temperature, to judge how to control the outdoor wind in next defrost circulation Machine.
In one embodiment of the invention, it is preferable that the first preset time is less than in any defrost circulation before defrost Timing time；Second preset time is 30s；First default wind speed is the maximum wind velocity of air outlet in preset time after defrost X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of air outlet.
In this embodiment, the first preset time is less than the timing time in any defrost circulation before defrost, can generally determine Justice is the time of the full frost of outdoor fan knot in worst situation, can also be with self-defining, so that ensuring that any defrost circulates in Defrost determines whether to carry out downshift to outdoor fan before starting.After air-conditioning defrost, defrost terminates outdoor fan at this time, Outdoor fan is in frostless state or close to frostless state, takes the maximum wind velocity X3 of air outlet in preset time to subtract second default Wind speed compares as the first default wind speed, by the real-time air outlet wind speed of air conditioner with the first default wind speed, can judge automatically Out current outdoor blower whether frosting and/or frosting how much.
The embodiment of third aspect present invention proposes a kind of air conditioner, comprising: outdoor unit blower；And any of the above-described reality The control system of the example outdoor fan of air conditioner is applied, the control system of outdoor fan of air conditioner is for stating the progress of outdoor unit blower Control.
Air conditioner provided by the invention, the control system including outdoor fan of air conditioner described in any of the above-described embodiment, Therefore whole beneficial effects of the control system with the outdoor fan of air conditioner, details are not described herein.
The embodiment of fourth aspect present invention, proposes a kind of computer equipment, and Fig. 5 shows one embodiment of the present of invention Computer equipment 500 schematic block diagram.Wherein, which includes:
Memory 502, processor 504 and it is stored in the computer journey that can be run on memory 502 and on processor 504 Sequence, processor 504 performs the steps of when executing computer program starts timing, timing after air conditioner enters defrost pattern After time reaches the first preset time, the windscreen X1 of outdoor fan is obtained；Judge whether windscreen X1 is more than or equal to the first default wind Keep off X2；When windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；Work as outdoor fan Air outlet wind speed less than the first default wind speed when, when further judge that air outlet wind speed is accumulative less than the first default wind speed and running Between whether reach the second preset time；If reaching, controls air conditioner and open outdoor fan wind speed definition mode.
A kind of computer equipment 500 provided by the invention, processor 504 are realized when executing computer program: when air-conditioning system When heat operation, system enters defrost timing, after timing time reaches the first preset time, obtains the wind of outdoor fan of air conditioner X1 is kept off, the first preset time here is less than shortest defrost timing, may be generally defined as outdoor fan in worst situation It the time of the full frost of knot, can also be with self-defining.When windscreen X1 is more than or equal to the first default windscreen X2, outdoor fan is obtained in real time Air outlet wind speed；When the air outlet wind speed of outdoor fan is less than the first default wind speed, further judge that air outlet wind speed is tired Whether meter runing time reaches the second preset time because obtain the air outlet wind speed of the outdoor fan at a certain moment there may be Error or fluctuation, and further judge whether the air outlet wind speed of the outdoor fan in a period of time is respectively less than the first default wind Speed can increase the accuracy of judgement.If the air outlet wind speed of outdoor fan of air conditioner is accumulative less than the first default wind speed Runing time reaches the second preset time, shows that air outlet frosting at this time is more, then just control outdoor fan enters wind speed limit Mould-fixed.The present invention can judge automatically the number of outdoor fan frosting, when frosting is less, does not do and drop to the revolving speed of outdoor fan Gear processing, and when frosting is more, the revolving speed of outdoor fan is controlled, avoids blindly reducing caused by outdoor fan gear Heating capacity is largely decayed, and user experience is improved.
The embodiment of fifth aspect present invention provides a kind of computer readable storage medium, is stored thereon with computer Program performs the steps of when computer program is executed by processor and starts timing, timing after air conditioner enters defrost pattern After time reaches the first preset time, the windscreen X1 of outdoor fan is obtained；Judge whether windscreen X1 is more than or equal to the first default wind Keep off X2；When windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；Work as outdoor fan Air outlet wind speed less than the first default wind speed when, when further judge that air outlet wind speed is accumulative less than the first default wind speed and running Between whether reach the second preset time；If reaching, controls air conditioner and open outdoor fan wind speed definition mode.
A kind of computer readable storage medium provided by the invention is stored thereon with computer program, computer program quilt Processor is realized when executing: when air-conditioning heating operation, system enters defrost timing, when timing time reaches the first preset time Afterwards, the windscreen X1 of outdoor fan of air conditioner is obtained, the first preset time here is less than shortest defrost timing, general to can define It, can also be with self-defining for the time of the full frost of outdoor fan knot in worst situation.It is preset when windscreen X1 is more than or equal to first When windscreen X2, the air outlet wind speed of outdoor fan is obtained in real time；When the air outlet wind speed of outdoor fan is less than the first default wind speed When, further judge whether air outlet wind speed accumulated running time reaches the second preset time, because obtaining the room at a certain moment There may be error or fluctuations for the air outlet wind speed of outer blower, and further judge the air outlet of the outdoor fan in a period of time Whether wind speed is respectively less than the first default wind speed, can increase the accuracy of judgement.If the outlet air one's intention as revealed in what one says of outdoor fan of air conditioner Speed reaches the second preset time less than the accumulated running time of the first default wind speed, shows that air outlet frosting at this time is more, then Wind speed definition mode is entered with regard to control outdoor fan.The present invention can judge automatically the number of outdoor fan frosting, and frosting is less When, downshift processing is not done to the revolving speed of outdoor fan, and when frosting is more, the revolving speed of outdoor fan is controlled, is avoided It blindly reduces heating capacity caused by outdoor fan gear largely to decay, improves user experience.
Fig. 6 shows the process signal of the control method of the outdoor fan of air conditioner of a specific embodiment of the invention Figure.Wherein, this method comprises:
Step 602, air conditioner opens heating mode operation；
Step 604, judge current environmental temperature whether between T1, T2, wherein T1 < T2；It is then to enter step 606, it is no, then enter step 624；
Step 606, whether system enters defrost timing；It is then to enter step 608, it is no, then enter step 624；
Step 608, system enters the defrost timing T3 time；
Step 610, obtain a upper defrost recycle in after defrost in n1 to n2 minutes outdoor fan maximum wind velocity A, Corresponding windscreen is X1 at this time；
Step 612, the real-time wind speed B and corresponding windscreen X2 of outdoor fan of air conditioner are obtained；
Step 614, judge whether X2 is more than or equal to X1, be, then enter step 616, it is no, then enter step 624；
Step 616, judge whether B is less than A and subtracts N and continue C seconds, be then to enter step 618, otherwise enter step 624；
Step 618, air conditioner enters wind speed definition mode (motor windscreen reduces A gear)；
Step 620, judge whether air conditioner meets defrost condition；It is then to enter step 622, it is no, then pass through the T4 time Afterwards, step 620 is repeated；
Step 622, air conditioner carries out defrost；
Step 624, it is run according to normal mode.
The control method for the outdoor fan of air conditioner that a specific embodiment of the invention provides, when air-conditioning heating is run When, system enters defrost timing, after timing time reaches the first preset time, the windscreen X2 of outdoor fan of air conditioner is obtained, Here the first preset time is less than shortest defrost timing, may be generally defined as outdoor fan knot Man Shuan in worst situation Time, can also be with self-defining.When windscreen X2 is more than or equal to the first default windscreen X1, the outlet air of outdoor fan is obtained in real time One's intention as revealed in what one says speed；When the air outlet wind speed of outdoor fan is less than the first default wind speed, the accumulative operation of air outlet wind speed is further judged Whether the time reaches the second preset time because obtain the air outlet wind speed of the outdoor fan at a certain moment there may be error or Fluctuation, and further judge whether the air outlet wind speed of outdoor fan in a period of time is respectively less than the first default wind speed, can be with Increase the accuracy of judgement.If the air outlet wind speed of outdoor fan of air conditioner is less than the accumulated running time of the first default wind speed Reach the second preset time, show that air outlet frosting at this time is more, then just control outdoor fan enters wind speed definition mode.This Invention can judge automatically the number of outdoor fan frosting, when frosting is less, not do downshift processing to the revolving speed of outdoor fan, and When frosting is more, the revolving speed of outdoor fan is controlled, avoids blindly reducing heating capacity caused by outdoor fan gear A large amount of decaying, improve user experience.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (19)

1. a kind of control method of outdoor fan of air conditioner characterized by comprising
Start timing after air conditioner enters defrost pattern and obtains outdoor fan after timing time reaches the first preset time Windscreen X1；
Judge whether the windscreen X1 is more than or equal to the first default windscreen X2；
When the windscreen X1 is more than or equal to the described first default windscreen X2, the outlet air one's intention as revealed in what one says of the outdoor fan is obtained in real time Speed；
When the air outlet wind speed of the outdoor fan is less than the first default wind speed, the air outlet wind speed is further judged Whether the accumulated running time less than the described first default wind speed reaches the second preset time, if reaching, controls the air-conditioning Device opens outdoor fan wind speed definition mode；
First preset time is less than the timing time in any defrost circulation before defrost；
The first default wind speed is that the maximum wind velocity X3 of the outdoor fan air outlet is subtracted in preset time after defrost Second default wind speed；
The first default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of the outdoor fan air outlet.
2. the control method of outdoor fan of air conditioner according to claim 1, which is characterized in that further include:
When the windscreen X1 is less than the described first default windscreen X2, then controls the air conditioner and open normal mode.
3. the control method of outdoor fan of air conditioner according to claim 1, which is characterized in that further include:
When the air outlet wind speed of the outdoor fan is more than or equal to the first default wind speed, then the air conditioner is controlled Open normal mode.
4. the control method of outdoor fan of air conditioner according to claim 1, which is characterized in that further include:
It is not up to second preset time when the accumulated running time that the air outlet wind speed is less than the described first default wind speed, It then controls the air conditioner and opens normal mode.
5. the control method of outdoor fan of air conditioner according to claim 1, which is characterized in that enter in the air conditioner Before defrost pattern, further includes:
Judge environment temperature whether between the first preset temperature value, the second preset temperature value, first preset temperature value Less than second preset temperature value；
When the environment temperature is between first preset temperature value, second preset temperature value, then further judgement Whether the air conditioner enters the defrost pattern；
When the environment temperature is not between first preset temperature value, second preset temperature value, then described in control Air conditioner opens normal mode.
6. the control method of outdoor fan of air conditioner according to claim 1, which is characterized in that the control air-conditioning Device opens outdoor fan wind speed definition mode, specifically:
The windscreen for controlling the outdoor fan reduces N number of gear, wherein the integer of N >=1.
7. the control method of outdoor fan of air conditioner according to claim 6, which is characterized in that the control outdoor The windscreen of blower reduces after N number of gear, further includes:
Judge whether the air conditioner reaches defrost condition；
When the air conditioner reaches the defrost condition, then controls the air conditioner and start defrost；
When the air conditioner is not up to the defrost condition, after third preset time, whether repetition judges the air conditioner Reach the defrost condition.
8. the control method of outdoor fan of air conditioner according to any one of claim 1 to 7, which is characterized in that
Second preset time is 30s.
9. a kind of control system of outdoor fan of air conditioner characterized by comprising
First acquisition unit, for starting timing after air conditioner enters defrost pattern, timing time reaches the first preset time Afterwards, the windscreen X1 of outdoor fan is obtained；
First judging unit, for judging whether the windscreen X1 is more than or equal to the first default windscreen X2；
Second acquisition unit, for obtaining the room in real time when the windscreen X1 is more than or equal to the described first default windscreen X2 The air outlet wind speed of outer blower；
Second judgment unit, for when the air outlet wind speed of the outdoor fan is less than the first default wind speed, further Judge that the air outlet wind speed is less than whether the described first default wind speed accumulated running time reached the second preset time；
First control unit, the accumulated running time for being less than the described first default wind speed for the air outlet wind speed reach described Second preset time controls the outdoor fan and runs according to wind speed definition mode；
First preset time is less than the timing time in any defrost circulation before defrost；
The first default wind speed is that the maximum wind velocity X3 of the outdoor fan air outlet is subtracted in preset time after defrost Second default wind speed；
The first default windscreen X2 is the corresponding windscreen of maximum wind velocity X3 of the outdoor fan air outlet.
10. the control system of outdoor fan of air conditioner according to claim 9, which is characterized in that further include:
Second control unit controls the air conditioner and opens often for being less than the described first default windscreen X2 as the windscreen X1 Scale formula.
11. the control system of outdoor fan of air conditioner according to claim 10, which is characterized in that further include:
Second control unit is also used to preset when the air outlet wind speed of the outdoor fan is more than or equal to described first When wind speed, then controls the air conditioner and open normal mode.
12. the control system of outdoor fan of air conditioner according to claim 10, which is characterized in that further include:
Second control unit is also used to be less than the accumulated running time of the described first default wind speed when the air outlet wind speed Not up to described second preset time then controls the air conditioner and opens normal mode.
13. the control system of outdoor fan of air conditioner according to claim 10, which is characterized in that further include:
Third judging unit, for judge environment temperature whether between the first preset temperature value, the second preset temperature value, institute The first preset temperature value is stated less than second preset temperature value；
4th judging unit, for when the environment temperature is between first preset temperature value, second preset temperature value Between, then further judge whether the air conditioner enters the defrost pattern；
Second control unit is also used to when the environment temperature is not between first preset temperature value, described second pre- If between temperature value, then controlling the air conditioner and opening normal mode.
14. the control system of outdoor fan of air conditioner according to claim 9, which is characterized in that first control is single Member specifically includes:
First control subelement, the windscreen for controlling the outdoor fan reduce N number of gear, wherein the integer of N >=1.
15. the control system of outdoor fan of air conditioner according to claim 14, which is characterized in that further include:
5th judging unit, for judging whether the air conditioner reaches defrost condition；
Third control unit then controls the air conditioner and starts defrost for reaching the defrost condition when the air conditioner；
5th judging unit is also used to be not up to the defrost condition when the air conditioner, after third preset time, Repetition judges whether the air conditioner reaches the defrost condition.
16. the control system of outdoor fan of air conditioner according to any one of claims 9 to 15, which is characterized in that
Second preset time is 30s.
17. a kind of air conditioner characterized by comprising
Outdoor unit blower；And
The control system of outdoor fan of air conditioner as described in any one of claim 9 to 16, the outdoor fan of air conditioner Control system for controlling the outdoor unit blower.
18. a kind of computer equipment, including memory, processor and it is stored on the memory and can be on the processor The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 8 when executing the computer program Any one of described in control method the step of.
19. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program It is realized when being executed by processor as described in any one of claims 1 to 8 the step of control method.
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