CN107192101A

CN107192101A - The control method and control system of outdoor fan of air conditioner

Info

Publication number: CN107192101A
Application number: CN201710463365.1A
Authority: CN
Inventors: 张光鹏; 王立友; 马剑
Original assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2017-09-22
Anticipated expiration: 2037-06-19
Also published as: CN107192101B

Abstract

The present 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, and control method includes：Start timing after air conditioner enters defrost pattern, timing time is reached after the first preset time, obtain the windscreen X1 of outdoor fan；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, determine whether whether air outlet wind speed accumulated running time reaches the second preset time；If reaching, control air conditioner opens outdoor fan wind speed definition mode.The present invention be capable of automatic decision outdoor fan frosting number, when frosting is less, downshift is not carried out to the rotating speed of outdoor fan, when frosting is more, control the rotating speed of outdoor fan, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused largely is decayed, 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 field, in particular to a kind of control method of outdoor fan of air conditioner, control System processed, air conditioner, computer equipment, computer-readable recording medium.

Background technology

In winter, during air conditioner heat-production, frost occurs in the outdoor fan of air conditioner, more in frosting When, the resistance that outdoor fan is rotated will be increased, and before air conditioner defrosting, motor is in order to maintain identical rotating speed, and power will Increase, and the increase of power is easy for causing burning for motor.Existing control technology is fixed in one section of operation of air conditioner After time, outdoor fan reduction rotating speed is just forced, but such control mode is in the case of outdoor fan frosting is less, just The decay of air conditioner heat-production ability is easily caused, causes the heating effect of air conditioner not good, reduces user experience.

Therefore, how to solve the number of air conditioner automatic decision outdoor fan frosting, and determined according to the number of frosting Whether downshift is done to the rotating speed of the outdoor fan of air conditioner and be treated as urgent problem to be solved.

The content of the invention

It is contemplated that at least solving one of technical problem present in prior art or correlation technique.

Therefore, 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.

The 5th purpose of the present invention is to propose a kind of computer-readable recording medium.

In view of this, according to one object of the present invention, it is proposed that a kind of control method of outdoor fan of air conditioner, bag Include：Start timing after air conditioner enters defrost pattern, timing time is reached after 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 Disconnected air outlet wind speed is less than whether the first default wind speed accumulated running time reached the second preset time；If reaching, control is empty Device is adjusted to open outdoor fan wind speed definition mode.

The control method for the outdoor fan of air conditioner that the present invention is provided, when air-conditioning heating is run, 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 most short defrost timing, may be generally defined as it is worst in the case of the full frost of outdoor fan knot time, 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 when being less than the first default wind speed, determine whether whether air outlet wind speed accumulated running time reaches that second is pre- If the time, because the air outlet wind speed for obtaining the outdoor fan at a certain moment there may be error or fluctuation, and determine whether 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 accumulated running time that the air outlet wind speed of outdoor fan of air conditioner is less than the first default wind speed reaches the second preset time, Show that now air outlet frosting is more, then just control outdoor fan enters wind speed definition mode.The present invention being capable of automatic decision The number of outdoor fan frosting, when frosting is less, does not do downshift processing to the rotating speed of outdoor fan, and when frosting is more, it is right The rotating speed of outdoor fan is controlled, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused largely is decayed, and is improved User experience.

According to the control method of the above-mentioned outdoor fan of air conditioner of the present invention, there can also be following technical characteristic：

In the above-mentioned technical solutions, it is preferable that when windscreen X1 is less than the first default windscreen X2, then control air conditioner to open normal Scale formula.

In the technical scheme, when the real-time windscreen X1 of air conditioner is less than the first default windscreen X2, show now air conditioner There is no frosting or frosting less, then control air conditioner starts normal mode, downshift processing is not done to air conditioner, it is ensured that air-conditioning Device heats stability, improves user experience.

In any of the above-described technical scheme, 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 air conditioner is controlled to 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 now Air conditioner does not have frosting or frosting less, then control air conditioner starts normal mode, and downshift processing is not done to air conditioner, it is ensured that Air conditioner heats stability, improves user experience.

In any of the above-described technical scheme, it is preferable that when air outlet wind speed was less than for the first default wind speed accumulated running time Not up to the second preset time, then control air conditioner to open normal mode.

In the technical scheme, do not reached when the air outlet wind speed of outdoor fan was less than for the first default wind speed accumulated running time To the second preset time, show that now air conditioner frosting is also few, then control air conditioner starts normal mode, not to air conditioner Do downshift processing, it is ensured that air conditioner heats stability, improves user experience.

In any of the above-described technical scheme, it is preferable that before air conditioner enters defrost pattern, in addition to：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 determines whether whether air conditioner enters between the first preset temperature value, the second preset temperature value, then Defrost pattern；When environment temperature is not between the first preset temperature value, the second preset temperature value, then air conditioner is controlled to open normal Scale formula.

In the technical scheme, when air-conditioning heating is run, first determine whether 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, such as, in the especially dry north, and it is -5 DEG C that can set the first preset temperature, and second presets Temperature is 0 DEG C, and it is -5 DEG C to be less than the first preset temperature in temperature, 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 temperature that also not up to vapor is sublimated, without judging that air conditioner is again No entrance defrost pattern, but directly control air conditioner is run in a conventional mode, reduces the live load of air conditioner.

In any of the above-described technical scheme, it is preferable that open outdoor fan wind speed definition mode, it is specially：Control is outdoor The windscreen of blower fan reduces N number of gear, the wherein integer of N >=1.

In the technical scheme, outdoor fan wind speed definition mode is opened, is specially：Control the windscreen reduction of outdoor fan N number of gear so that air conditioner automatic decision go out outdoor fan frosting degree it is more in the case of, the wind of automatic reduction outdoor fan Fast gear, it is to avoid the wind-speed gear of the reduction outdoor fan of blindness, the heating capacity that causes largely is decayed, and improves user's body Degree of testing.Wherein, N is the integer of wherein N >=1, can be directed to the running current of current outdoor blower fan and/or run power setting not Same N values, outdoor fan running current and/or operation power are bigger, and N values are corresponding bigger.

In any of the above-described technical scheme, it is preferable that the windscreen of control outdoor fan is reduced after N number of gear, in addition to： Judge whether air conditioner reaches defrost condition；When air conditioner reaches defrost condition, then air conditioner is controlled to start defrost；Work as air conditioner Not up to defrost condition, after the 3rd preset time, repeats to judge whether air conditioner reaches defrost condition.

In the technical scheme, after the N number of gear of windscreen reduction of control 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 Cross after the 3rd preset time, repetition judges whether air conditioner reaches defrost condition, start until air conditioner is met after defrost condition Defrost so that air conditioner is capable of the number of automatic decision outdoor fan frosting before defrost starts, not right when frosting is less The rotating speed of outdoor fan does downshift processing, and when frosting is more, the rotating speed of outdoor fan is controlled, and both can guarantee that in room When outer blower fan frosting is more, the windscreen of outdoor fan is reduced, also can be in outdoor fan to avoid motor because power is excessive and destroys Frosting it is less when, it is ensured that the heating capacity of air conditioner, improve user experience.Terminate in air conditioner this defrost circulation Afterwards, current environmental temperature is judged again whether between the first preset temperature and the second preset temperature, to judge how to control Outdoor fan in next defrost circulation.

In any of the above-described technical scheme, it is preferable that the first preset time is less than the meter before defrost during any defrost is circulated When the time；Second preset time is 30s；First default wind speed is the maximum that defrost terminates air conditioner wind outlet in rear preset time Wind speed X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreens of maximum wind velocity X3 of air conditioner wind outlet.

In the technical scheme, the first preset time is less than the timing time before defrost during any defrost is circulated, and typically may be used Be defined as it is worst in the case of the full frost of outdoor fan knot time, can also self-defining so that ensure any defrost circulation Determine whether to carry out downshift to outdoor fan before defrost starts.After air-conditioning defrost terminates, now outdoor fan defrost knot Beam, 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 the real-time air outlet wind speed of air conditioner with the first default wind speed as the first default wind speed, can be automatic Judge current outdoor blower fan whether frosting and/or frosting how much.

According to second object of the present invention, it is proposed that a kind of control system of outdoor fan of air conditioner, including：First obtains Unit is taken, for starting timing after air conditioner enters defrost pattern, timing time is reached after the first preset time, obtain outdoor The windscreen X1 of blower fan；First judging unit, for judging whether windscreen X1 is more than or equal to the first default windscreen X2；Second obtains single Member, for when windscreen X1 is more than or equal to the first default windscreen X2, the air outlet wind speed of outdoor fan to be obtained in real time；Second judges Unit, for when the air outlet wind speed of outdoor fan is less than the first default wind speed, determining whether that air outlet wind speed is less than the Whether one default wind speed accumulated running time reached the second preset time；First control unit, is less than for air outlet wind speed 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 for the outdoor fan of air conditioner that the present invention is provided, when air-conditioning heating is run, 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 most short defrost timing, may be generally defined as it is worst in the case of the full frost of outdoor fan knot when Between, can also self-defining.When the first judging unit judges that windscreen X1 is more than or equal to the first default windscreen X2, second obtains single 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 determines whether 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 fluctuation, and determine whether 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 air-out of outdoor fan of air conditioner The accumulated running time that one's intention as revealed in what one says speed is less than the first default wind speed reaches the second preset time, shows that now air outlet frosting is more, So the first control unit just controls outdoor fan to enter wind speed definition mode.The present invention being capable of automatic decision outdoor fan frosting Number, when frosting is less, downshift processing is not done to the rotating speed of outdoor fan, and when frosting is more, outdoor fan is turned Speed is controlled, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused largely is decayed, and improves user experience.

According to the control system of the above-mentioned outdoor fan of air conditioner of the present invention, there can also be following technical characteristic：

In the above-mentioned technical solutions, it is preferable that the second control unit, for being less than the first default windscreen X2 as windscreen X1, Air conditioner is controlled to open normal mode.

In the technical scheme, when the real-time windscreen X1 of air conditioner is less than the first default windscreen X2, show now air conditioner There is no frosting or frosting less, then the second control unit control air conditioner starts normal mode, is not done to air conditioner at downshift Reason, it is ensured that air conditioner heats stability, improves user experience.

In any of the above-described technical scheme, it is preferable that the second control unit, the air outlet wind speed when outdoor fan is additionally operable to During more than or equal to the first default wind speed, then air conditioner is controlled to 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 now Air conditioner does not have frosting or frosting less, then the second control unit control air conditioner starts normal mode, air conditioner is not done Downshift processing, it is ensured that air conditioner heats stability, improves user experience.

In any of the above-described technical scheme, it is preferable that the second control unit, it is additionally operable to when air outlet wind speed is pre- less than first If the accumulated running time of wind speed is not up to the second preset time, then air conditioner is controlled to open normal mode.

In the technical scheme, do not reached when the air outlet wind speed of outdoor fan was less than for the first default wind speed accumulated running time To the second preset time, show that now air conditioner frosting is also few, then the second control unit control air conditioner starts conventional mould Formula, do not do downshift processing to air conditioner, it is ensured that air conditioner heats stability, improves user experience.

In any of the above-described technical scheme, it is preferable that the 3rd 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 determining whether whether air conditioner enters between the first preset temperature value, the second preset temperature value, then when environment temperature Enter defrost pattern；Second control unit, be additionally operable to when environment temperature not between the first preset temperature value, the second preset temperature value it Between, then control air conditioner to open normal mode.

In the technical scheme, when air-conditioning heating is run, the 3rd judging unit first judges that current environment temperature is 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, such as, in the especially dry north, and it is -5 that can set the first preset temperature DEG C, the second preset temperature is 0 DEG C, and it is -5 DEG C to be less than the first preset temperature in temperature, there is humidity deficit, the outdoor wind of air-conditioning Machine would not frosting or frosting degree very little, if temperature be higher than 0 DEG C, the temperature that also not up to vapor is sublimated is sentenced without the 4th Disconnected unit judges whether air conditioner enters defrost pattern again, but the second control unit directly controls air conditioner to transport in a conventional mode OK, the live load of air conditioner is reduced.

In any of the above-described technical scheme, it is preferable that the first control unit is specifically included：First control subelement, is used for Controlling the windscreen of outdoor fan reduces N number of gear, the wherein integer of N >=1.

In the technical scheme, the first control unit is specially：First control subelement, the windscreen drop of control outdoor fan Low N number of gear so that air conditioner automatic decision go out outdoor fan frosting degree it is more in the case of, automatic reduction outdoor fan Wind-speed gear, it is to avoid the wind-speed gear of the reduction outdoor fan of blindness, the heating capacity that causes largely is decayed, and improves 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 fan Different N values, outdoor fan running current and/or operation power are bigger, and N values are corresponding bigger.

In any of the above-described technical scheme, it is preferable that the 5th judging unit, for judging whether air conditioner reaches defrost bar Part；3rd control unit, for reaching defrost condition when air conditioner, then controls air conditioner to start defrost；5th judging unit, also For being not up to defrost condition when air conditioner, after the 3rd preset time, repetition judges whether air conditioner reaches defrost condition.

In the technical scheme, after the N number of gear of windscreen reduction of control 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, the 3rd control unit control air conditioner Start defrost, if air conditioner is not up to defrost condition, after the 3rd preset time, the 5th judging unit repeats to judge air conditioner Defrost condition whether is reached, starts defrost after air conditioner meets defrost condition so that air conditioner is before defrost starts, energy Enough automatic decision outdoor fan frostings number, when frosting is less, downshift processing is not done to the rotating speed of outdoor fan, and in frosting When more, the rotating speed of outdoor fan is controlled, both can guarantee that when outdoor fan frosting is more, the wind of outdoor fan is reduced Gear, to avoid motor because power is excessive and destroys, also can be when the frosting of outdoor fan be less, it is ensured that air conditioner heats energy Power, improves user experience.After air conditioner this defrost circulation terminates, judge current environmental temperature whether between the again Between one preset temperature and the second preset temperature, to judge how to control the outdoor fan in next defrost circulation.

According to third object of the present invention, the invention provides a kind of air conditioner, including：Outdoor unit blower fan；And on The control system of outdoor fan of air conditioner described in any technical scheme is stated, the control system of outdoor fan of air conditioner is used to state outdoor Machine blower fan is controlled.

The air conditioner that the present invention is provided, includes the control system of the outdoor fan of air conditioner described in any of the above-described technical scheme System, therefore whole beneficial effects of the control system with the outdoor fan of air conditioner, will not be repeated here.

According to fourth object of the present invention, the 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, following walk is realized during computing device computer program Suddenly：Start timing after air conditioner enters defrost pattern, timing time is reached after 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 Disconnected air outlet wind speed is less than whether the first default wind speed accumulated running time reached the second preset time；If reaching, control is empty Device is adjusted to open outdoor fan wind speed definition mode.

A kind of computer equipment that the present invention is provided, is realized during computing device computer program：When air-conditioning heating operation When, system enters defrost timing, after timing time reaches the first preset time, obtains the windscreen X1 of outdoor fan of air conditioner, Here the first preset time is less than most short defrost timing, may be generally defined as it is worst in the case of the full frost of outdoor fan knot Time, can also self-defining.When windscreen X1 is more than or equal to the first default windscreen X2, the air-out 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 determined whether Whether the time reaches the second preset time because the air outlet wind speed for obtaining the outdoor fan at a certain moment there may be error or Fluctuation, and determine whether 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 judged.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 The second preset time is reached, shows that now air outlet frosting is more, then just control outdoor fan enters wind speed definition mode.This The number of automatic decision outdoor fan frosting is capable of in invention, when frosting is less, does not do downshift processing to the rotating speed of outdoor fan, and When frosting is more, the rotating speed of outdoor fan is controlled, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused A large amount of decay, improve user experience.

According to the 5th purpose of the present invention, the invention provides a kind of computer-readable recording medium, it is stored thereon with Computer program, realizes following steps when computer program is executed by processor：Start meter after defrost pattern when air conditioner enters When, timing time is reached after the first preset time, obtains 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 fan is less than the first default wind speed, determine whether that air outlet wind speed is less than the first default wind speed and added up Whether run time reaches the second preset time；If reaching, control air conditioner opens outdoor fan wind speed definition mode.

A kind of computer-readable recording medium that the present invention is provided, is stored thereon with computer program, computer program quilt Realized during computing device：When air-conditioning heating is run, 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 most short defrost timing, general definable , can also self-defining for the time of the full frost of outdoor fan knot in the case of worst.Preset when windscreen X1 is more than or equal to first During 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, determine whether whether air outlet wind speed accumulated running time reaches the second preset time, because obtaining the room at a certain moment The air outlet wind speed of outer blower fan there may be error or fluctuation, and determine whether 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 air-out one's intention as revealed in what one says of outdoor fan of air conditioner The accumulated running time that speed is less than the first default wind speed reaches the second preset time, shows that now air outlet frosting is more, then Just control outdoor fan enters wind speed definition mode.The present invention is capable of the number of automatic decision outdoor fan frosting, and frosting is less When, downshift processing is not done to the rotating speed of outdoor fan, and when frosting is more, the rotating speed of outdoor fan is controlled, it is to avoid The heating capacity that blindly reduction outdoor fan gear is caused largely is decayed, and improves user experience.

The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention Recognize.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein：

Fig. 1 shows the schematic flow sheet of the control method of the outdoor fan of air conditioner of one embodiment of the present of invention；

Fig. 2 shows the schematic flow sheet of the control method of the outdoor fan of air conditioner of an alternative 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 an alternative 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 flow signal of the control method of the outdoor fan of air conditioner of the specific embodiment of the present invention Figure.

Embodiment

It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.

Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also Implemented with being different from other modes described here using other, 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 schematic flow sheet of the control method of the outdoor fan of air conditioner of bright one embodiment：

Step 102, timing is started after air conditioner enters defrost pattern, timing time is reached after the first preset time, is obtained 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 air-out 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, air outlet wind speed is determined whether The second preset time whether is reached less than the first default wind speed accumulated running time, if reaching, control air conditioner opens outdoor Blower fan wind speed definition mode.

Fig. 2 shows the schematic flow sheet of the control method of the outdoor fan of air conditioner of an alternative embodiment of the invention. Wherein, this method includes：

Step 202, judge that environment temperature is then to enter whether between the first preset temperature value, the second preset temperature value Enter step 204, it is no, then into step 218；

Step 204, judge whether air conditioner enters defrost pattern, be, then it is no into step 206, then into step 218；

Step 206, timing is started after air conditioner enters defrost pattern, timing time is reached after the first preset time, is obtained 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 it is no into step 210, then enter Enter step 218；

Step 210, the air outlet wind speed of outdoor fan is obtained in real time；

Step 212, judge whether the air outlet wind speed of outdoor fan is less than the first default wind speed, be, then into step 214, it is no, then into step 218；

Step 214, judge air outlet wind speed be less than the first default wind speed accumulated running time whether reach second it is default when Between, be, then it is no into step 216, then into step 218；

Step 216, control outdoor fan is run with reducing 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 no into step 222, then repeat step 220；

Step 222, control air conditioner starts defrost.

In one embodiment of the invention, it is preferable that when windscreen X1 is less than the first default windscreen X2, then control air conditioner Open normal mode.

In this embodiment, when the real-time windscreen X1 of air conditioner is less than the first default windscreen X2, show that now air conditioner does not have There are frosting or frosting less, then control air conditioner starts normal mode, downshift processing is not done to air conditioner, it is ensured that air conditioner Heat 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 During wind speed, then air conditioner is controlled to 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, this space-time is shown Device is adjusted not have frosting or frosting less, then control air conditioner starts normal mode, and downshift processing is not done to air conditioner, it is ensured that Air conditioner heats stability, improves user experience.

In one embodiment of the invention, it is preferable that when air outlet wind speed, which is less than the first default wind speed, adds up operation Between not up to the second preset time, then control air conditioner open normal mode.

In this embodiment, it is not up to when the air outlet wind speed of outdoor fan was less than for the first default wind speed accumulated running time Second preset time, shows that now air conditioner frosting is also few, then control air conditioner starts normal mode, air conditioner is not done Downshift processing, it is ensured that air conditioner heats stability, improves user experience.

In one embodiment of the invention, it is preferable that air conditioner enter defrost pattern before, in addition to：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 determines whether whether air conditioner enters between the first preset temperature value, the second preset temperature value, then Enter defrost pattern；When environment temperature is not between the first preset temperature value, the second preset temperature value, then air conditioner is controlled to open Normal mode.

In this embodiment, when air-conditioning heating is run, first determine whether 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, such as, in the especially dry north, and it is -5 DEG C that can set the first preset temperature, the second default temperature Spend for 0 DEG C, it is -5 DEG C to be less than the first preset temperature in temperature, 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 temperature that also not up to vapor is sublimated, without whether judging air conditioner again Into defrost pattern, but directly control air conditioner is run in a conventional mode, reduces the live load of air conditioner.

In one embodiment of the invention, it is preferable that open outdoor fan wind speed definition mode, it is specially：Control room The windscreen of outer blower fan reduces N number of gear, the wherein integer of N >=1.

In this embodiment, outdoor fan wind speed definition mode is opened, is specially：Control the windscreen reduction N of outdoor fan Individual gear so that air conditioner automatic decision go out outdoor fan frosting degree it is more in the case of, the wind of automatic reduction outdoor fan Fast gear, it is to avoid the wind-speed gear of the reduction outdoor fan of blindness, the heating capacity that causes largely is decayed, and improves user's body Degree of testing.Wherein, N is the integer of wherein N >=1, can be directed to the running current of current outdoor blower fan and/or run power setting not Same N values, outdoor fan running current and/or operation power are bigger, and N values are corresponding bigger.

In one embodiment of the invention, it is preferable that the windscreen of control outdoor fan is reduced after N number of gear, is also wrapped Include：Judge whether air conditioner reaches defrost condition；When air conditioner reaches defrost condition, then air conditioner is controlled to start defrost；Work as sky Device is adjusted to be not up to defrost condition, after the 3rd preset time, repetition judges whether air conditioner reaches defrost condition.

In this embodiment, after the windscreen of control outdoor fan reduces N number of gear, outdoor fan is later according to downshift Wind speed remains in operation, when meeting defrost condition, and control air conditioner starts defrost, if air conditioner is not up to defrost condition, passes through After 3rd preset time, repetition judges whether air conditioner reaches defrost condition, until air conditioner meets beginning after defrost condition Frost so that air conditioner before defrost starts, be capable of automatic decision outdoor fan frosting number, when frosting is less, not to room The rotating speed of outer blower fan does downshift processing, and when frosting is more, the rotating speed of outdoor fan is controlled, and both can guarantee that in outdoor When blower fan frosting is more, the windscreen of outdoor fan is reduced, also can be in outdoor fan to avoid motor because power is excessive and destroys When frosting is less, it is ensured that the heating capacity of air conditioner, user experience is improved.After air conditioner this defrost circulation terminates, Current environmental temperature is judged again whether between the first preset temperature and the second preset temperature, it is next to judge how to control 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 that defrost terminates air outlet in rear preset time X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreens of maximum wind velocity X3 of air outlet.

In this embodiment, the first preset time is less than the timing time before defrost during any defrost is circulated, and can typically determine Justice is the time of the full frost of outdoor fan knot in the case of worst, can also self-defining so that ensure that any defrost is circulated in Defrost determines whether to carry out downshift to outdoor fan before starting.After air-conditioning defrost terminates, now defrost terminates outdoor fan, 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 and presets Wind speed compares the real-time air outlet wind speed of air conditioner with the first default wind speed as the first default wind speed, can be with automatic decision Go out current outdoor blower fan 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, 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, timing time reaches that first is pre- 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 when windscreen X1 is more than or equal to the first default windscreen X2, outdoor fan to be obtained in real time Air outlet wind speed；

Second judging unit 308, for when the air outlet wind speed of outdoor fan is less than the first default wind speed, further sentencing Disconnected air outlet wind speed is less than whether the first default wind speed accumulated running time reached the second preset time；

First control unit 310, the accumulated running time for being less than the first default wind speed for air outlet wind speed reaches second Preset time, control outdoor fan is run according to wind speed definition mode.

The control system 300 for the outdoor fan of air conditioner that the present invention is provided, when air-conditioning heating is run, 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 most short defrost timing, may be generally defined as it is worst in the case of the full frost of outdoor fan knot Time, can also 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；Preset when the air outlet wind speed of outdoor fan is less than first During wind speed, the second judging unit 308 determines whether whether air outlet wind speed accumulated running time reaches the second preset time, because The air outlet wind speed of outdoor fan to obtain a certain moment there may be error or fluctuation, and determine whether in a period of time The air outlet wind speed of outdoor fan whether be respectively less than the first default wind speed, the accuracy of judgement can be increased.If air conditioner The accumulated running time that the air outlet wind speed of outdoor fan is less than the first default wind speed reaches the second preset time, shows now to go out Air port frosting is more, then just control outdoor fan enters wind speed definition mode to the first control unit 310.The present invention can be automatic The number of outdoor fan frosting judged, when frosting is less, downshift processing is not done to the rotating speed of outdoor fan, and it is more in frosting When, the rotating speed of outdoor fan is controlled, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused largely is decayed, and is carried High user experience.

Fig. 4 shows the schematic block diagram of the control system 400 of the outdoor fan of air conditioner of an alternative embodiment of the invention. Wherein, the system includes：

3rd 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 when environment temperature is between the first preset temperature value, the second preset temperature value, Then determine whether 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 control air conditioner to open normal mode；

First acquisition unit 408, for starting timing after air conditioner enters defrost pattern, timing time reaches that first is pre- 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 when windscreen X1 is more than or equal to the first default windscreen X2, outdoor fan to be obtained in real time Air outlet wind speed；

Second judging unit 414, for when the air outlet wind speed of outdoor fan is less than the first default wind speed, further sentencing Disconnected air outlet wind speed is less than whether the first default wind speed accumulated running time reached the second preset time；

First control unit 416, the accumulated running time for being less than the first default wind speed for air outlet wind speed reaches second Preset time, control outdoor fan is run according to wind speed definition mode；

Second control unit 406, is additionally operable to when windscreen X1 is less than the first default windscreen X2, control air conditioner opens conventional mould Formula；

Second control unit 406, is additionally operable to when the air outlet wind speed of outdoor fan is more than the first default wind speed, then control Air conditioner opens normal mode；

Second control unit 406, is additionally operable to when the accumulated running time that air outlet wind speed is less than the first default wind speed does not reach To the second preset time, then air conditioner is controlled to open normal mode；

5th judging unit 418, for judging whether air conditioner reaches defrost condition；

3rd control unit 420, for reaching defrost condition when air conditioner, then controls air conditioner to start defrost；

5th judging unit 418, is additionally operable to when air conditioner is not up to defrost condition, after the 3rd preset time, repeats Judge whether air conditioner reaches defrost condition.

Wherein, the first control unit 416 is specially to control subelement 4162, for controlling outdoor fan to reduce N number of wind Wind-speed gear operation after fast gear, the wherein integer of N >=1.

In one embodiment of the invention, it is preferable that the second control unit 406, for when windscreen X1 be less than it is first pre- If windscreen X2, control air conditioner opens normal mode.

In this embodiment, when the real-time windscreen X1 of air conditioner is less than the first default windscreen X2, show that now air conditioner does not have There are frosting or frosting less, then the second control unit 406 control air conditioner starts normal mode, is not done to air conditioner at downshift Reason, it is ensured that air conditioner heats stability, improves user experience.

In one embodiment of the invention, it is preferable that the second control unit 406, it is additionally operable to the air-out 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 air conditioner is controlled to 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, this space-time is shown Device is adjusted not have frosting or frosting less, then the second control unit 406 control air conditioner starts normal mode, is not done to air conditioner Downshift processing, it is ensured that air conditioner heats stability, improves user experience.

In one embodiment of the invention, it is preferable that the second control unit 406, it is additionally operable to when air outlet wind speed is less than The accumulated running time of first default wind speed is not up to the second preset time, then controls air conditioner to open normal mode.

In this embodiment, it is not up to when the air outlet wind speed of outdoor fan was less than for the first default wind speed accumulated running time Second preset time, shows that now air conditioner frosting is also few, then the second control unit 406 control air conditioner starts conventional mould Formula, do not do downshift processing to air conditioner, it is ensured that air conditioner heats stability, improves user experience.

In one embodiment of the invention, it is preferable that the 3rd 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 judges Unit 404, for when environment temperature is between the first preset temperature value, the second preset temperature value, then determining whether air-conditioning Whether device enters defrost pattern；Second control unit 406, is additionally operable to when environment temperature is not between the first preset temperature value, second Between preset temperature value, then air conditioner is controlled to open normal mode.

In this embodiment, when air-conditioning heating is run, the 3rd judging unit 402 first judges that current environment temperature is 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, such as, in the especially dry north, and it is -5 that can set the first preset temperature DEG C, the second preset temperature is 0 DEG C, and it is -5 DEG C to be less than the first preset temperature in temperature, there is humidity deficit, the outdoor wind of air-conditioning Machine would not frosting or frosting degree very little, if temperature be higher than 0 DEG C, the temperature that also not up to vapor is sublimated 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 live load of air conditioner.

In one embodiment of the invention, it is preferable that the first control unit 416 is specifically included：First control subelement 4162, for controlling the windscreen of outdoor fan to reduce N number of gear, the wherein integer of N >=1.

In this embodiment, the first control unit 416 is specially：First control subelement 4162, control outdoor fan Windscreen reduces N number of gear so that air conditioner automatic decision go out outdoor fan frosting degree it is more in the case of, automatic reduction is outdoor The wind-speed gear of blower fan, it is to avoid the wind-speed gear of the reduction outdoor fan of blindness, the heating capacity that causes largely is decayed, improved User experience.Wherein, N is the integer of wherein N >=1, can be directed to the running current and/or operation work(of current outdoor blower fan Rate sets different N values, and outdoor fan running current and/or operation power are bigger, and N values are corresponding bigger.

In one embodiment of the invention, it is preferable that the 5th judging unit 418, for judging whether air conditioner reaches Defrost condition；3rd control unit 420, for reaching defrost condition when air conditioner, then controls air conditioner to start defrost；5th sentences Disconnected unit 418, is additionally operable to when air conditioner is not up to defrost condition, after the 3rd preset time, and whether repetition judges air conditioner Reach defrost condition.

In this embodiment, after the windscreen of control outdoor fan reduces N number of gear, 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, the 3rd control unit 420 controls sky Device is adjusted to start defrost, if air conditioner is not up to defrost condition, after the 3rd 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 automatic decision outdoor fan frosting be capable of, when frosting is less, the rotating speed of outdoor fan is not done at downshift Reason, and when frosting is more, the rotating speed of outdoor fan is controlled, it both can guarantee that when outdoor fan frosting is more, reduced The windscreen of outdoor fan, also can be when the frosting of outdoor fan be less, it is ensured that air-conditioning to avoid motor because power is excessive and destroys The heating capacity of device, improves user experience.After air conditioner this defrost circulation terminates, current environmental temperature is judged 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 that defrost terminates air outlet in rear preset time X3 subtracts the second default wind speed；First default windscreen X2 is the corresponding windscreens of maximum wind velocity X3 of air outlet.

The embodiment of third aspect present invention, proposes a kind of air conditioner, including：Outdoor unit blower fan；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 used to state the progress of outdoor unit blower fan Control.

The air conditioner that the present invention is provided, includes the control system of the 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, will not be repeated here.

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, the computer equipment 500 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 realizes following steps when performing computer program：Start timing, timing after air conditioner enters defrost pattern Time is reached after the first preset time, obtains the windscreen X1 of outdoor fan；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 when being less than the first default wind speed, when determining whether that air outlet wind speed is less than the accumulative operation of the first default wind speed Between whether reach the second preset time；If reaching, control air conditioner opens outdoor fan wind speed definition mode.

A kind of computer equipment 500 that the present invention is provided, processor 504 is realized when performing computer program：When air-conditioning system During heat operation, system enters defrost timing, after timing time reaches the first preset time, obtains the wind of outdoor fan of air conditioner Keep off X1, the first preset time here is less than most short defrost timing, may be generally defined as it is worst in the case of outdoor fan The time of the full frost of knot, can also 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, determine whether that air outlet wind speed tires out Whether meter run time reaches the second preset time, because the air outlet wind speed for obtaining the outdoor fan at a certain moment there may be Error or fluctuation, and determine whether 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 less than the accumulative of the first default wind speed Run time reaches the second preset time, shows that now air outlet frosting is more, then just control outdoor fan is limited into wind speed Mould-fixed.The present invention is capable of the number of automatic decision outdoor fan frosting, when frosting is less, and the rotating speed of outdoor fan is not done and dropped Gear processing, and when frosting is more, the rotating speed of outdoor fan is controlled, it is to avoid blindly reduction outdoor fan gear is caused Heating capacity is largely decayed, and improves user experience.

The embodiment of fifth aspect present invention is stored thereon with computer there is provided a kind of computer-readable recording medium Program, realizes following steps when computer program is executed by processor：Start timing, timing after air conditioner enters defrost pattern Time is reached after the first preset time, obtains the windscreen X1 of outdoor fan；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 when being less than the first default wind speed, when determining whether that air outlet wind speed is less than the accumulative operation of the first default wind speed Between whether reach the second preset time；If reaching, control air conditioner opens outdoor fan wind speed definition mode.

Fig. 6 shows the flow signal of the control method of the outdoor fan of air conditioner of the specific embodiment of the present invention Figure.Wherein, this method includes：

Step 602, air conditioner opens heating mode operation；

Step 604, current environmental temperature is judged whether between T1, T2, wherein T1 ＜ T2；It is, then into step 606, it is no, then into step 624；

Step 606, whether system enters defrost timing；Be, then it is no into step 608, then into step 624；

Step 608, system enters the defrost timing T3 times；

Step 610, the maximum wind velocity A that defrost in upper defrost circulation terminates outdoor fan in rear n1 to n2 minutes is obtained, Now corresponding windscreen is X1；

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 it is no into step 616, then into step 624；

Step 616, judge whether B subtracts N less than A and continue C seconds, be, then into step 618, otherwise into 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；Be, then it is no into step 622, then by the T4 times Afterwards, repeat step 620；

Step 622, air conditioner carries out defrost；

Step 624, run according to normal mode.

The control method for the outdoor fan of air conditioner that the specific embodiment of the present invention is provided, when air-conditioning heating operation When, system enters defrost timing, after timing time reaches the first preset time, obtains the windscreen X2 of outdoor fan of air conditioner, Here the first preset time is less than most short defrost timing, may be generally defined as it is worst in the case of the full frost of outdoor fan knot Time, can also self-defining.When windscreen X2 is more than or equal to the first default windscreen X1, the air-out 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 determined whether Whether the time reaches the second preset time because the air outlet wind speed for obtaining the outdoor fan at a certain moment there may be error or Fluctuation, and determine whether 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 judged.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 The second preset time is reached, shows that now air outlet frosting is more, then just control outdoor fan enters wind speed definition mode.This The number of automatic decision outdoor fan frosting is capable of in invention, when frosting is less, does not do downshift processing to the rotating speed of outdoor fan, and When frosting is more, the rotating speed of outdoor fan is controlled, it is to avoid the heating capacity that blindly reduction outdoor fan gear is caused A large amount of decay, improve user experience.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with Suitable mode is combined.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

1. a kind of control method of outdoor fan of air conditioner, it is characterised in that including：

Start timing after air conditioner enters defrost pattern, timing time is reached after the first preset time, obtain outdoor fan 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 air-out 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 determined whether 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.

2. the control method of outdoor fan of air conditioner according to claim 1, it is characterised in that also include:

When the windscreen X1 is less than the described first default windscreen X2, then the air conditioner is controlled to open normal mode.

3. the control method of outdoor fan of air conditioner according to claim 1, it is characterised in that also include:

When the air outlet wind speed of the outdoor fan is more than or equal to the described first default wind speed, then the air conditioner is controlled Open the normal mode.

4. the control method of outdoor fan of air conditioner according to claim 1, it is characterised in that also include:

Second preset time is not up to when the accumulated running time that the air outlet wind speed is less than the described first default wind speed, The air conditioner is then controlled to open the normal mode.

5. the control method of outdoor fan of air conditioner according to claim 1, it is characterised in that enter in the air conditioner Before defrost pattern, in addition to：

Environment temperature is judged 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 determine whether Whether the air conditioner enters the defrost pattern；

When the environment temperature is not between first preset temperature value, second preset temperature value, then control described Air conditioner opens the normal mode.

6. the control method of outdoor fan of air conditioner according to claim 1, it is characterised in that the control air-conditioning Device opens outdoor fan wind speed definition mode, is specially：

Controlling the windscreen of the outdoor fan reduces N number of gear, the wherein integer of N >=1.

7. the control method of outdoor fan of air conditioner according to claim 6, it is characterised in that the control outdoor The windscreen of blower fan is reduced after N number of gear, in addition to：

Judge whether the air conditioner reaches defrost condition；

When the air conditioner reaches the defrost condition, then the air conditioner is controlled to start defrost；

When the air conditioner is not up to the defrost condition, after the 3rd 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, it is characterised in that

First preset time is less than the timing time before defrost during any defrost is circulated；

Second preset time is 30s；

Described first default wind speed subtracts for the maximum wind velocity X3 that defrost terminates the outdoor fan air outlet in rear preset time Second default wind speed；

Described first default windscreen X2 is the corresponding windscreens of maximum wind velocity X3 of the outdoor fan air outlet.

9. a kind of control system of outdoor fan of air conditioner, it is characterised in that including：

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 when the windscreen X1 is more than or equal to the described first default windscreen X2, the room to be obtained in real time The air outlet wind speed of outer blower fan；

Second judging 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 reaches described Second preset time, controls the outdoor fan to be run according to wind speed definition mode.

10. the control system of outdoor fan of air conditioner according to claim 9, it is characterised in that also include：

Second control unit, for being less than the described first default windscreen X2 as the windscreen X1, controls the air conditioner to open normal Scale formula.

11. the control system of outdoor fan of air conditioner according to claim 9, it is characterised in that also include：

Second control unit, is additionally operable to preset when the air outlet wind speed of the outdoor fan is more than or equal to described first During wind speed, then the air conditioner is controlled to open the normal mode.

12. the control system of outdoor fan of air conditioner according to claim 9, it is characterised in that also include：

Second control unit, is additionally operable to when the air outlet wind speed is less than the accumulated running time of the described first default wind speed Not up to described second preset time, then control the air conditioner to open the normal mode.

13. the control system of outdoor fan of air conditioner according to claim 9, it is characterised in that also include：

3rd judging unit, for judging 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 determine whether whether the air conditioner enters the defrost pattern；

Second control unit, is additionally operable to when the environment temperature is not between first preset temperature value, described second pre- If between temperature value, then controlling the air conditioner to open the normal mode.

14. the control system of outdoor fan of air conditioner according to claim 9, it is characterised in that first control is single Member is specifically included：

First control subelement, for controlling the windscreen of the outdoor fan to reduce N number of gear, the wherein integer of N >=1.

15. the control system of outdoor fan of air conditioner according to claim 14, it is characterised in that also include：

5th judging unit, for judging whether the air conditioner reaches defrost condition；

3rd control unit, for reaching the defrost condition when the air conditioner, then controls the air conditioner to start defrost；

5th judging unit, is additionally operable to when the air conditioner is not up to the defrost condition, after the 3rd preset time, Repetition judges whether the air conditioner reaches the defrost condition.

16. the control system of the outdoor fan of air conditioner according to any one of claim 9 to 15, it is characterised in that

Second preset time is 30s；

Described first default wind speed is that defrost terminates the maximum wind velocity X3 of the air conditioner wind outlet in rear preset time and subtracts the Two default wind speed；

Described first default windscreen X2 is the corresponding windscreens of maximum wind velocity X3 of the air conditioner wind outlet.

17. a kind of air conditioner, it is characterised in that including：

Outdoor unit blower fan；And

The control system of outdoor fan of air conditioner as any one of claim 9 to 16, the outdoor fan of air conditioner Control system be used for the outdoor unit blower fan is controlled.

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, it is characterised in that realize such as claim 1 to 8 described in the computing device during computer program Any one of control method the step of.

19. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program Realized when being executed by processor as any one of claim 1 to 8 the step of control method.