CN105157164A - Control method and device for outdoor draught fan blowing from top - Google Patents
Control method and device for outdoor draught fan blowing from top Download PDFInfo
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- CN105157164A CN105157164A CN201510439755.6A CN201510439755A CN105157164A CN 105157164 A CN105157164 A CN 105157164A CN 201510439755 A CN201510439755 A CN 201510439755A CN 105157164 A CN105157164 A CN 105157164A
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- outdoor fan
- rainwater
- rotation direction
- preset value
- time period
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method for an outdoor draught fan blowing from the top. The control method includes the following steps that when an air conditioner operates in a refrigeration mode, whether the outdoor draught fan goes into a rainwater operation mode is judged; and if yes, the rotation direction of the outdoor draught fan is controlled to be opposite to the current rotation direction so that rainwater can be sprayed to an outdoor heat exchanger of an outdoor unit through the outdoor draught fan. The invention further discloses a control device for the outdoor draught fan blowing from the top. The control method and device for the outdoor draught fan blowing from the top improve the heat exchange efficiency of the outdoor unit.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to top air-out outdoor fan control method and device.
Background technology
As everyone knows, existing air-conditioner outdoor unit is when refrigerating operaton, and the outdoor heat exchanger in off-premises station reduces the temperature of outdoor heat exchanger usually by means of only outdoor fan.When Changes in weather exists rainwater, the air outlet by off-premises station drops on outdoor fan by rainwater, thus brings larger resistance to the running of outdoor fan, and then affects the heat exchange efficiency of off-premises station.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of top air-out outdoor fan control method and device, is intended to the heat exchange efficiency improving off-premises station.
For achieving the above object, a kind of top air-out outdoor fan control method provided by the invention comprises the following steps:
When air-conditioner refrigerating operaton, judge whether outdoor fan enters rainwater operation mode;
If so, the rotation direction then controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
Preferably, pre-conditionedly judge whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
Preferably, the rotation direction of the described outdoor fan of described control is contrary with the rotation direction of current operation, with make rainwater spill the outdoor heat exchanger to off-premises station by outdoor fan after also comprise:
Judge whether outdoor fan exits described rainwater operation mode;
If so, the rotation direction then again controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
Preferably, pre-conditionedly judge whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
Preferably, the rotation direction of the described outdoor fan of described control is contrary with the rotation direction of current operation, comprises with the outdoor heat exchanger making rainwater be spilt to off-premises station by outdoor fan:
Reduce the rotating speed of described outdoor fan;
When the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
In addition, for achieving the above object, the present invention also provides a kind of top air-out outdoor fan control device to comprise:
Adjusting module, contrary with the rotation direction of current operation for working as the rotation direction controlling described outdoor fan, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
Preferably, described first judge module specifically for, pre-conditionedly judge whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
Preferably, described top air-out outdoor fan control device also comprises:
Second judge module, for judging whether outdoor fan exits described rainwater operation mode;
Processing module, during for exiting described rainwater operation mode when outdoor fan, the rotation direction again controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
Preferably, described second judge module specifically for, pre-conditionedly judge whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
Preferably, described adjusting module comprises:
First adjustment unit, for reducing the rotating speed of described outdoor fan;
Second adjustment unit, for when the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
The embodiment of the present invention, by when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode; If so, the rotation direction then controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.Thus when outside exist rainwater drop on outdoor fan time, by rainwater, outdoor heat exchanger is lowered the temperature, and then improves the heat exchange efficiency of off-premises station.In addition lowered the temperature by rainwater, energy-conservation object can be reached.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of top air-out outdoor fan control method first embodiment of the present invention;
Fig. 2 is the schematic flow sheet of top air-out outdoor fan control method second embodiment of the present invention;
Fig. 3 adjusts the refinement schematic flow sheet that outdoor fan turns in top air-out outdoor fan control method the 3rd embodiment of the present invention;
Fig. 4 is the high-level schematic functional block diagram of top air-out outdoor fan control device first embodiment of the present invention;
Fig. 5 is the high-level schematic functional block diagram of top air-out outdoor fan control device second embodiment of the present invention;
Fig. 6 is the refinement high-level schematic functional block diagram of adjusting module in top air-out outdoor fan control device the 3rd embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of top air-out outdoor fan control method, with reference to Fig. 1, in top air-out outdoor fan control method first embodiment of the present invention, this top air-out outdoor fan control method comprises:
Step S10, when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode; If so, then perform step S20, if not, then control outdoor fan and run according to preset rotating speed;
Step S20, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
The top air-out outdoor fan control method that the embodiment of the present invention provides is mainly used in air-conditioning system, for the control when air-conditioning system refrigerating operaton to blower fan.In the present embodiment, the outdoor fan mainly for single cold air conditioning system controls.
In the present embodiment, above-mentioned off-premises station is preferably the off-premises station of top air-out, i.e. the top of the air outlet of off-premises station machine disposed in the outdoor.Judge whether outdoor fan enters rainwater operation mode, specifically judge whether the current residing environment of outdoor fan exists rainwater and disturb outdoor fan running.Such as, weather changes rainy day into, or adopts other modes to spill water on outdoor fan.Following embodiment makes detailed description with the example that changes to of weather.
When the normal refrigerating operaton of air-conditioning system, outdoor fan rotates forward, thus is formed to up-draught, is blown out by wind from air outlet.Under the state that air-conditioning system runs well, weather changes the rainy day into, and when judging that the current residing environment of outdoor fan exists rainwater and produces interference to outdoor fan running, turning to of change outdoor fan, makes outdoor fan reverse; Above-mentioned air outlet will become air inlet, and rainwater will directly drop on outdoor fan, along with rainwater to be spilt the inwall to outdoor heat exchanger by the rotation of outdoor fan, now will be lowered the temperature to outdoor heat exchanger by rainwater and wind simultaneously.
The embodiment of the present invention, by when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode; If so, the rotation direction then controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.Thus when outside exist rainwater drop on outdoor fan time, by rainwater, outdoor heat exchanger is lowered the temperature, and then improves the heat exchange efficiency of off-premises station.In addition lowered the temperature by rainwater, energy-conservation object can be reached.
Should be noted that, the above-mentioned condition judging whether outdoor fan enters rainwater operation mode can be arranged according to actual needs, as long as can reach, the accurate of amount of rainfall is identified, namely when the amount of rainfall of environment is greater than some particular values, enter rainwater operation mode.In the present embodiment, preferably, above-mentionedly judge whether outdoor fan enters rainwater operation mode and comprise: according in the current of electric of outdoor fan, the rotating speed of outdoor fan, the current residing environment temperature of outdoor fan and compressor exhaust temperature, at least both judge whether outdoor fan enters rainwater operation mode.
Particularly, pre-conditionedly can judge whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
In the present embodiment, judge whether outdoor fan enters rainwater operation mode and specifically refer to, when above-mentioned first pre-conditioned at least two conditions meet simultaneously when, then determine to enter rainwater operation mode.The time length of above-mentioned first preset time period, the second preset time period and the 3rd preset time period all can be arranged according to actual needs; The size of above-mentioned first preset value, the second preset value, the 3rd preset value and the 4th preset value can be arranged according to actual needs.Below will be described with an instantiation.First pre-conditionedly comprises: 1, detect that the motor operating current of outdoor fan increases by more than 15% in 5 minutes by automatically controlled software; 2, outer fan operation windscreen is high wind shelves; 3, reduce in the environment temperature 5 minutes that outdoor environment temperature detector detects and be greater than 0.5 DEG C; 4, in compressor exhaust temperature 5 minutes lower than 70 degree; When the normal refrigerating operaton of air-conditioning system, its operational factor as at least met above-mentioned two conditions, then determines that outdoor fan now enters rainwater operation mode.
Further, with reference to Fig. 2, based on top air-out outdoor fan control method first embodiment of the present invention, in top air-out outdoor fan control method second embodiment of the present invention, also comprise after above-mentioned steps S20:
Step S30, judges whether outdoor fan exits described rainwater operation mode; If then perform step S40, if not, then step S30 is performed;
Step S40, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
In the present embodiment, when weather changes again, control outdoor fan is exited rainwater operation mode, return to the situation of normal operation.
Particularly, the above-mentioned condition judging whether outdoor fan exits rainwater operation mode can be arranged according to actual needs, as long as can reach, the accurate of amount of rainfall is identified, namely when the amount of rainfall of environment is less than some particular values, exit rainwater operation mode.In the present embodiment, preferably, above-mentionedly judge whether outdoor fan exits rainwater operation mode and comprise: according in the current of electric of outdoor fan, the current residing environment temperature of outdoor fan and compressor exhaust temperature, at least both judge whether outdoor fan exits rainwater operation mode.
Particularly, pre-conditionedly can judge whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
In the present embodiment, judge whether outdoor fan exits rainwater operation mode and specifically refer to, when above-mentioned second pre-conditioned at least two conditions meet simultaneously when, then determine to exit rainwater operation mode.The time span of above-mentioned 4th preset time period, the 5th preset time period and the 6th preset time period can be arranged according to actual needs; The size of above-mentioned 5th preset value, the 6th preset value and the 7th preset value also can be arranged according to actual needs.Be described in detail with an instantiation at this.Second pre-conditionedly comprises: 1, detect that off-premises station blower motor running current declines more than 10% in 5 minutes by automatically controlled software; 2, increase in the environment temperature 5 minutes that outdoor environment temperature detector detects and be greater than 0.5 DEG C; 3, compressor exhaust temperature rose 10 degree in 5 minutes; Operational factor as air-conditioning system at least meets above-mentioned two conditions, then determine that outdoor fan exits rainwater operation mode.
Particularly, with reference to Fig. 3, based on top air-out outdoor fan control method first embodiment of the present invention, in top air-out outdoor fan control method the 3rd embodiment of the present invention, above-mentioned steps S20 comprises:
Step S21, reduces the rotating speed of described outdoor fan;
Step S22, when the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and controls described outdoor fan and run according to preset rotation speed, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
In the present embodiment, the size of above-mentioned 8th preset value can be arranged according to actual needs, and preferably, when outdoor fan adopts many grades to control, above-mentioned 8th preset value is between low wind shelves and apoplexy shelves.Particularly, when outdoor fan runs with high wind shelves, when then entering rainwater operation mode, first control outdoor fan and be reduced to low wind shelves, after being reduced to low wind shelves, control outdoor fan antiport, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.In the present embodiment, before outdoor fan turns in control, first the rotating speed of outdoor fan is reduced, prevent from turning at once in high-revolving situation and cause damaging outdoor fan due to larger inertia, therefore, extend the service life of outdoor fan.
The present invention also provides a kind of top air-out outdoor fan control device, and with reference to Fig. 4, in one embodiment, top air-out outdoor fan control device provided by the invention comprises:
First judge module 10, for when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode;
Adjusting module 20, contrary with the rotation direction of current operation for working as the rotation direction controlling described outdoor fan, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
The top air-out outdoor fan control device that the embodiment of the present invention provides is mainly used in air-conditioning system, for the control when air-conditioning system refrigerating operaton to blower fan.In the present embodiment, the outdoor fan mainly for single cold air conditioning system controls.
In the present embodiment, above-mentioned off-premises station is preferably the off-premises station of top air-out, i.e. the top of the air outlet of off-premises station machine disposed in the outdoor.Judge whether outdoor fan enters rainwater operation mode, specifically judge whether the current residing environment of outdoor fan exists rainwater and disturb outdoor fan running.Such as, weather changes rainy day into, or adopts other modes to spill water on outdoor fan.Following embodiment makes detailed description with the example that changes to of weather.
When the normal refrigerating operaton of air-conditioning system, outdoor fan rotates forward, thus is formed to up-draught, is blown out by wind from air outlet.Under the state that air-conditioning system runs well, weather changes the rainy day into, and when judging that the current residing environment of outdoor fan exists rainwater and produces interference to outdoor fan running, turning to of change outdoor fan, makes outdoor fan reverse; Above-mentioned air outlet will become air inlet, and rainwater will directly drop on outdoor fan, along with rainwater to be spilt the inwall to outdoor heat exchanger by the rotation of outdoor fan, now will be lowered the temperature to outdoor heat exchanger by rainwater and wind simultaneously.
The embodiment of the present invention, by when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode; If so, the rotation direction then controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.Thus when outside exist rainwater drop on outdoor fan time, by rainwater, outdoor heat exchanger is lowered the temperature, and then improves the heat exchange efficiency of off-premises station.In addition lowered the temperature by rainwater, energy-conservation object can be reached.
Should be noted that, the above-mentioned condition judging whether outdoor fan enters rainwater operation mode can be arranged according to actual needs, as long as can reach, the accurate of amount of rainfall is identified, namely when the amount of rainfall of environment is greater than some particular values, enter rainwater operation mode.In the present embodiment, preferably, above-mentioned first judge module specifically for, according in the current of electric of outdoor fan, the rotating speed of outdoor fan, the current residing environment temperature of outdoor fan and compressor exhaust temperature, at least both judge whether outdoor fan enters rainwater operation mode.
Particularly, the first judge module specifically for, pre-conditionedly judge whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
In the present embodiment, judge whether outdoor fan enters rainwater operation mode and specifically refer to, when above-mentioned first pre-conditioned at least two conditions meet simultaneously when, then determine to enter rainwater operation mode.The time length of above-mentioned first preset time period, the second preset time period and the 3rd preset time period all can be arranged according to actual needs; The size of above-mentioned first preset value, the second preset value, the 3rd preset value and the 4th preset value can be arranged according to actual needs.Below will be described with an instantiation.First pre-conditionedly comprises: 1, detect that the motor operating current of outdoor fan increases by more than 15% in 5 minutes by automatically controlled software; 2, outer fan operation windscreen is high wind shelves; 3, reduce in the environment temperature 5 minutes that outdoor environment temperature detector detects and be greater than 0.5 DEG C; 4, in compressor exhaust temperature 5 minutes lower than 70 degree; When the normal refrigerating operaton of air-conditioning system, its operational factor as at least met above-mentioned two conditions, then determines that outdoor fan now enters rainwater operation mode.
Further, with reference to Fig. 5, based on top air-out outdoor fan control device first embodiment of the present invention, in top air-out outdoor fan control device second embodiment of the present invention, above-mentioned top air-out outdoor fan control device also comprises:
Second judge module 30, for judging whether outdoor fan exits described rainwater operation mode;
Processing module 40, during for exiting described rainwater operation mode when outdoor fan, the rotation direction again controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
In the present embodiment, when weather changes again, control outdoor fan is exited rainwater operation mode, return to the situation of normal operation.
Particularly, the above-mentioned condition judging whether outdoor fan exits rainwater operation mode can be arranged according to actual needs, as long as can reach, the accurate of amount of rainfall is identified, namely when the amount of rainfall of environment is less than some particular values, exit rainwater operation mode.In the present embodiment, preferably, above-mentioned second judge module specifically for, according in the current of electric of outdoor fan, the current residing environment temperature of outdoor fan and compressor exhaust temperature, at least both judge whether outdoor fan exits rainwater operation mode.
Particularly, described second judge module specifically for, pre-conditionedly judge whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
In the present embodiment, judge whether outdoor fan exits rainwater operation mode and specifically refer to, when above-mentioned second pre-conditioned at least two conditions meet simultaneously when, then determine to exit rainwater operation mode.The time span of above-mentioned 4th preset time period, the 5th preset time period and the 6th preset time period can be arranged according to actual needs; The size of above-mentioned 5th preset value, the 6th preset value and the 7th preset value also can be arranged according to actual needs.Be described in detail with an instantiation at this.Second pre-conditionedly comprises: 1, detect that off-premises station blower motor running current declines more than 10% in 5 minutes by automatically controlled software; 2, increase in the environment temperature 5 minutes that outdoor environment temperature detector detects and be greater than 0.5 DEG C; 3, compressor exhaust temperature rose 10 degree in 5 minutes; Operational factor as air-conditioning system at least meets above-mentioned two conditions, then determine that outdoor fan exits rainwater operation mode.
Particularly, with reference to Fig. 6, based on top air-out outdoor fan control device first embodiment of the present invention, in top air-out outdoor fan control method the 3rd embodiment of the present invention, above-mentioned adjusting module 20 comprises:
First adjustment unit 21, for reducing the rotating speed of described outdoor fan;
Second adjustment unit 22, for when the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
In the present embodiment, the size of above-mentioned 8th preset value can be arranged according to actual needs, and preferably, when outdoor fan adopts many grades to control, above-mentioned 8th preset value is between low wind shelves and apoplexy shelves.Particularly, when outdoor fan runs with high wind shelves, when then entering rainwater operation mode, first control outdoor fan is reduced to low wind shelves, after being reduced to low wind shelves, controlling outdoor fan and turn to.In the present embodiment, before outdoor fan turns in control, first the rotating speed of outdoor fan is reduced, prevent from turning at once in high-revolving situation and cause damaging outdoor fan due to larger inertia, therefore, extend the service life of outdoor fan.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a top air-out outdoor fan control method, is characterized in that, described top air-out outdoor fan control method comprises the following steps:
When air-conditioner refrigerating operaton, judge whether outdoor fan enters rainwater operation mode;
If so, the rotation direction then controlling described outdoor fan is contrary with the rotation direction of current operation, spills the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
2. top air-out outdoor fan control method as claimed in claim 1, is characterized in that, pre-conditionedly judges whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
3. top air-out outdoor fan control method as claimed in claim 1, it is characterized in that, the rotation direction of the described outdoor fan of described control is contrary with the rotation direction of current operation, with make rainwater spill the outdoor heat exchanger to off-premises station by outdoor fan after also comprise:
Judge whether outdoor fan exits described rainwater operation mode;
If so, the rotation direction then again controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
4. top air-out outdoor fan control method as claimed in claim 3, is characterized in that, pre-conditionedly judges whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
5. the top air-out outdoor fan control method as described in any one of Claims 1-4, it is characterized in that, the rotation direction of the described outdoor fan of described control is contrary with the rotation direction of current operation, comprises with the outdoor heat exchanger making rainwater be spilt to off-premises station by outdoor fan:
Reduce the rotating speed of described outdoor fan;
When the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
6. a top air-out outdoor fan control device, is characterized in that, described top air-out outdoor fan control device comprises:
First judge module, for when air-conditioner refrigerating operaton, judges whether outdoor fan enters rainwater operation mode;
Adjusting module, contrary with the rotation direction of current operation for working as the rotation direction controlling described outdoor fan, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
7. top air-out outdoor fan control device as claimed in claim 6, is characterized in that, described first judge module specifically for, pre-conditionedly judge whether outdoor fan enters rainwater operation mode according to first; Described first pre-conditionedly comprises:
Whether the current of electric of described outdoor fan increases by the first preset value within the first preset time period;
Whether the rotating speed of described outdoor fan is greater than the second preset value;
Whether the current residing environment temperature of described outdoor fan reduces the 3rd preset value within the second preset time period;
Compressor exhaust temperature within the 3rd preset time period whether lower than the 4th preset value.
8. top air-out outdoor fan control device as claimed in claim 6, it is characterized in that, described top air-out outdoor fan control device also comprises:
Second judge module, for judging whether outdoor fan exits described rainwater operation mode;
Processing module, during for exiting described rainwater operation mode when outdoor fan, the rotation direction again controlling described outdoor fan is contrary with the rotation direction of current operation, adjusts the rotating speed of described outdoor fan.
9. top air-out outdoor fan control device as claimed in claim 8, is characterized in that, described second judge module specifically for, pre-conditionedly judge whether outdoor fan exits described rainwater operation mode according to second; Described second pre-conditionedly comprises:
Whether the current of electric of described outdoor fan reduces the 5th preset value within the 4th preset time period;
Whether the current residing environment temperature of described outdoor fan increases by the 6th preset value within the 5th preset time period;
Whether compressor exhaust temperature increases by the 7th preset value within the 6th preset time period.
10. the top air-out outdoor fan control device as described in any one of claim 6 to 9, it is characterized in that, described adjusting module comprises:
First adjustment unit, for reducing the rotating speed of described outdoor fan;
Second adjustment unit, for when the rotating speed of described outdoor fan is less than the 8th preset value, the rotation direction controlling described outdoor fan is contrary with the rotation direction of current operation, and control described outdoor fan and run according to preset rotation speed, spill the outdoor heat exchanger to off-premises station to make rainwater by outdoor fan.
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| CN201510439755.6A CN105157164B (en) | 2015-07-23 | 2015-07-23 | Top air-out outdoor fan control method and device |
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| CN201510439755.6A CN105157164B (en) | 2015-07-23 | 2015-07-23 | Top air-out outdoor fan control method and device |
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| CN105157164B CN105157164B (en) | 2017-11-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110869679A (en) * | 2017-07-19 | 2020-03-06 | 开利公司 | Rain-activated fan system |
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| CN110869679A (en) * | 2017-07-19 | 2020-03-06 | 开利公司 | Rain-activated fan system |
| CN110869679B (en) * | 2017-07-19 | 2024-03-26 | 开利公司 | Rain activated fan system |
| CN115111739A (en) * | 2022-05-23 | 2022-09-27 | 珠海拓芯科技有限公司 | Water inflow prevention control method and device for outdoor unit and air conditioner |
| CN115111739B (en) * | 2022-05-23 | 2024-05-14 | 珠海拓芯科技有限公司 | Water inflow prevention control method and device of outdoor unit and air conditioner |
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|---|---|
| CN105157164B (en) | 2017-11-14 |
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