CN112082260B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN112082260B CN112082260B CN201910507132.6A CN201910507132A CN112082260B CN 112082260 B CN112082260 B CN 112082260B CN 201910507132 A CN201910507132 A CN 201910507132A CN 112082260 B CN112082260 B CN 112082260B
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000009833 condensation Methods 0.000 claims abstract description 63
- 230000005494 condensation Effects 0.000 claims abstract description 53
- 230000003247 decreasing effect Effects 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air conditioners, and particularly provides an air conditioner and a control method thereof, aiming at solving the problem that condensation is easy to occur on an air deflector when the existing air conditioner operates in a refrigeration mode. The air conditioner comprises a shell, an air outlet is formed in the shell, an air deflector is arranged at the air outlet, the air conditioner is further provided with a stepping motor for driving the air deflector to move, and the control method of the air conditioner comprises the following steps: acquiring the current of the stepping motor under the condition that the air deflector swings; comparing the current with a current threshold; and selectively increasing the wind outlet speed and/or reducing the frequency of the compressor according to the comparison result. In particular, the current threshold comprises a first current threshold, and when the current is greater than the first current threshold, the wind outlet speed is increased and/or the frequency of the compressor is decreased. By means of the control, the evaporation speed of the condensation can be increased or the generation speed of the condensation can be reduced, and therefore the problem that a large amount of condensation is generated on the air deflector and drops is avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, and particularly provides an air conditioner and a control method thereof.
Background
With the improvement of living standard of people, the air conditioner has become a common electric appliance in families. In summer, the air conditioner performs refrigeration operation to reduce the temperature of the space where the user is located, and a comfortable environment is provided for the user.
However, in summer, the humidity of the environment is high, the air conditioner can continuously blow cold air from the air outlet of the indoor unit in the process of cooling operation, the air deflector continuously swings to blow the cold air into the room along different directions, the air deflector is contacted with the cold air to cause continuous temperature reduction, a large amount of condensation is easily generated on the surface of the air deflector after the water vapor in the air is contacted with the low-temperature air deflector, the condensation can drip on the ground when being gathered to a certain amount, the air conditioner needs to be cleaned by a user, and the use experience of the user is poor.
Accordingly, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that condensation is likely to occur on the air deflector when the existing air conditioner is in cooling operation, on one hand, the present invention provides a control method of an air conditioner, wherein the air conditioner includes a housing, an air outlet is arranged on the housing, the air outlet is configured with the air deflector, the air conditioner is further configured with a step motor for driving the air deflector to move, and the control method includes the following steps: acquiring the current of the stepping motor under the condition that the air deflector swings; comparing the current to a current threshold; and selectively increasing the wind outlet speed and/or reducing the frequency of the compressor according to the comparison result.
In a preferred technical solution of the above control method, the current threshold includes a first current threshold, and the step of selectively increasing the wind outlet speed and/or decreasing the frequency of the compressor according to the comparison result specifically includes: and if the current is larger than the first current threshold value, increasing the wind outlet speed and/or reducing the frequency of the compressor.
In a preferred embodiment of the above control method, the current threshold includes a second current threshold, the second current threshold is greater than the first current threshold, and after the step "increase the wind outlet speed and/or decrease the frequency of the compressor", the control method includes the steps of: obtaining the current of the stepping motor; comparing the magnitude of the current to the current threshold; and selectively controlling the air conditioner to stop running according to the comparison result.
In a preferred embodiment of the above control method, the step of "selectively controlling the air conditioner to stop operating according to the comparison result" specifically includes: and if the second current is larger than the second current threshold value, controlling the air conditioner to stop running.
In a preferred embodiment of the above control method, the step of "selectively controlling the air conditioner to stop operating according to the comparison result" specifically includes: if the current is greater than the first current threshold and not greater than the second current threshold, then the current wind speed and compressor frequency are maintained.
In a preferred technical solution of the above control method, the air conditioner is provided with an alarm device, and the control method further includes: simultaneously with or after the step of "controlling the air conditioner to stop operating", the control method includes the steps of: and controlling the alarm device to give an alarm.
In a preferred embodiment of the above control method, the control method further includes: acquiring initial current of the stepping motor; determining the current threshold from the initial current; the initial current is obtained by controlling the air deflector to swing when the air conditioner is started at this time.
In a preferred embodiment of the above control method, the first current threshold is 120% to 130% of the initial current.
In a preferred embodiment of the above control method, the second current threshold is 135% to 150% of the initial current.
As can be understood by those skilled in the art, in the technical solution of the present invention, the air conditioner includes a housing, the housing is provided with an air outlet, the air outlet is provided with an air deflector, the air conditioner is further provided with a step motor for driving the air deflector to move, and the control method of the air conditioner includes the following steps: acquiring the current of the stepping motor under the condition that the air deflector swings; comparing the current with a current threshold; and selectively increasing the wind outlet speed and/or reducing the frequency of the compressor according to the comparison result. Specifically, the current threshold includes a first current threshold, and when the current is greater than the first current threshold, the wind outlet speed is increased or the frequency of the compressor is decreased. Preferably, when the current is greater than the first current threshold, the wind outlet speed is increased and the frequency of the compressor is decreased. And when the current is not greater than the first current threshold value, maintaining the current wind outlet speed and the frequency of the compressor.
In the process of cooling operation of the air conditioner, the air outlet of the air conditioner continuously blows cold air, so that the temperature of the air deflector is reduced. When water vapor in the air meets the low-temperature air guide plate, the water vapor is condensed into condensation on the surface of the air guide plate, so that the weight of the air guide plate is increased, and the torque of the stepping motor for driving the air guide plate to swing is correspondingly increased. At this time, since the torque of the stepping motor increases, the driving current of the stepping motor will also increase. Whether condensation exists in the air deflector can be judged according to a comparison result by detecting the current of the stepping motor and comparing the current with a current threshold value in the swinging process of the air deflector. For example, the current threshold value comprises a first current threshold value, when the current of the stepping motor is larger than the first current threshold value, a certain amount of condensation is generated on the air deflector, the evaporation speed of the condensation on the air deflector is increased by improving the air outlet speed, the condensation on the air deflector is reduced, the problem that a large amount of condensation is generated on the air deflector and drops on the ground is avoided, and the use experience of a user is optimized. It can be understood that, when step motor's electric current was greater than first electric current threshold value, the frequency that can reduce the compressor made the refrigerating capacity of air conditioner reduce and improve the air-out temperature relatively to improve the temperature of aviation baffle relatively, and then reduced the production speed of condensation and avoided the condensation to produce even, along with the evaporation of condensation, avoided producing a large amount of condensation on the aviation baffle and the problem that drips.
In addition, the invention also provides an air conditioner, which comprises a controller, wherein the controller is used for executing the control method of the air conditioner in any one of the technical schemes of the control method. It should be noted that the air conditioner has all the technical effects of the control method of the air conditioner, and details are not described herein.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic step diagram of a control method of an air conditioner according to the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that the terms "first" and "second" in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a schematic view illustrating steps of a control method of an air conditioner according to the present invention.
In a specific embodiment, the air conditioner comprises a shell, an air outlet is formed in the shell, an air deflector is arranged at the air outlet, and the air conditioner is further provided with a stepping motor for driving the air deflector to move. As shown in fig. 1, the method for controlling an air conditioner of the present invention specifically includes the steps of:
and step S110, controlling the air deflector to swing and obtaining the initial current of the stepping motor when the air conditioner is started. When the air conditioner is started, condensation does not exist on the air deflector of the air conditioner, the air deflector is controlled to swing, and the current of the stepping motor at the moment, namely the initial current of the stepping motor, is obtained.
And step S120, determining a current threshold according to the initial current. Specifically, the current threshold includes a first current threshold obtained by multiplying the initial current by a first scaling factor and a second current threshold obtained by multiplying the initial current by a second scaling factor. Wherein, the first proportionality coefficient takes any value from 120% to 130%, and the second proportionality coefficient takes any value from 135% to 150%.
And step S210, acquiring the current of the stepping motor under the condition that the air deflector swings. If the stepping motor is provided with a current sensor, the current sensor is in communication connection with a controller of the air conditioner, and the controller acquires the current phase current of the stepping motor through the current sensor.
Step S220, determining whether the current is greater than a first current threshold. Along with the refrigerating operation of the air conditioner, cold air is blown out from an air outlet of the air conditioner and guided by the air guide plate to the air outlet direction, and the air guide plate is continuously contacted with the cold air to reduce the temperature. When the temperature of the air deflector is reduced to be lower than the dew point temperature, water vapor in the air meets the air deflector and is condensed into condensation to be attached to the surface of the air deflector. Along with the increase of the condensation on the surface of the air deflector, the torque of the stepping motor for driving the air deflector to swing in the swinging process of the air deflector is increased, and correspondingly, the driving current of the stepping motor is increased. If the current is not greater than the first current threshold, indicating that no condensation or less condensation exists on the air deflector at the moment, and no special treatment is needed, returning to the step S210; if the current is greater than the first current threshold, which indicates that more condensation is condensed on the air deflector at this time, step S230 is performed.
And step S230, improving the air outlet speed and reducing the frequency of the compressor. If the rotating speed of the fan is increased, the air outlet speed is increased, the evaporation speed of the condensation on the surface of the air deflector is increased, and the reduction of the condensation on the surface of the air deflector is promoted. Meanwhile, the frequency of the compressor is reduced, the refrigerating power of the air conditioner can be reduced, the temperature of the air deflector is prevented from being reduced continuously due to the fact that the air outlet temperature is too low, the condition for generating condensation on the surface of the air deflector is weakened, and the speed for generating the condensation is reduced. Through such setting, can avoid condensation volume too much on the aviation baffle to a certain extent to the problem of a large amount of condensation of gathering on the aviation baffle and drippage to ground has been avoided. In addition, hardware equipment is not required to be additionally arranged, the control method is simple, and the current detection of the stepping motor can obtain data with high precision, so that the control precision is high.
It will be understood by those skilled in the art that the first current threshold value is obtained by multiplying the initial current by a first scaling factor, and the second current threshold value is obtained by multiplying the initial current by a second scaling factor, which can be adjusted by those skilled in the art as needed to use a specific application, for example, the first current threshold value can be obtained by adding the initial current to a first threshold value, and the second current threshold value can be obtained by adding the initial current to a second threshold value, wherein the second threshold value is greater than the first threshold value, and the first threshold value and the second threshold value can be obtained by experiment or experience in the design stage of the air conditioner and preset in the air conditioner. Controlling the air deflector to swing and acquiring the initial current of the stepping motor when the air conditioner is started, and determining the current threshold (including the first current threshold and the second current threshold) according to the initial current is only a preferred embodiment, and the air deflectors of different air conditioners have different specifications, and the initial current of the stepping motor when the air deflector swings in a condensation-free state is different. When the air guide plate is started, the air guide plate swings and detects the initial current of the stepping motor, and the current threshold value is determined according to the initial current of the stepping motor, so that the application range of the control method is widened. It will be appreciated that the current threshold may also be experimentally measured during the design phase of the air conditioner and preset in the air conditioner. Therefore, the current threshold value is determined without controlling the air deflector to swing to obtain the initial current of the stepping motor when the motor is started, and the control method is more convenient. In addition, when the current is greater than the first current threshold, increasing the wind outlet speed and decreasing the frequency of the compressor are only a specific implementation, and those skilled in the art may adjust the current as needed to adapt to specific situations, for example, when the current is greater than the first current threshold, only the wind outlet speed may be increased, or only the frequency of the compressor may be decreased.
Under the condition that the air humidity is high, if the current of the stepping motor is larger than a first current threshold value, the air outlet speed is increased and the frequency of the compressor is reduced, because the air humidity is high, the speed of condensation generated on the surface of the air deflector is still larger than the evaporation speed of the condensation, the condensation on the air deflector is more and more increased along with the operation of the air conditioner, and finally the condensation can drop to the ground to pollute a carpet or a floor.
Preferably, after the step S230, the control method of an air conditioner of the present invention further includes the steps of:
and step S310, acquiring the current of the stepping motor.
Step S320, determining whether the current is greater than a second current threshold.
Step S330, determining whether the current is greater than the first current threshold and less than or equal to the second current threshold.
Step S340, determining whether the current is less than or equal to the first current threshold.
If the current is larger than the second current threshold, step S320 is executed, the air conditioner stops running, and the alarm device gives an alarm. If the alarm device is a buzzer arranged on the air conditioner, the buzzer sends out buzzing sound to remind a user that the air conditioner stops running due to excessive condensation on the air deflector. It can be understood by those skilled in the art that the alarm device is a buzzer, and those skilled in the art can adjust the alarm device as needed to adapt to specific application situations, for example, the alarm device may be an indicator light, or may be a mobile terminal in communication connection with the air conditioner, and the mobile terminal displays information that the air conditioner stops operating due to excessive condensation on the air deflector, and the like.
If the current is greater than the first current threshold and less than or equal to the second current threshold, step S360 is performed to maintain the current wind outlet speed and the frequency of the compressor.
If the current is less than or equal to the first current threshold, step S370 is executed, and the outlet wind speed and the frequency of the compressor are restored to the state before adjustment.
And after the wind speed is increased and the frequency of the compressor is reduced, the current of the stepping motor is obtained and judged. In the case that the current is greater than the second current threshold, it is indicated that the amount of condensation on the air deflector has reached a level at which it is about to drip to the ground, which could soil the carpet or the floor, or even damage the floor. At the moment, the air conditioner is controlled to stop running, and the generation of condensation on the surface of the air guide plate can be slowed down. Meanwhile, the alarm device gives an alarm to inform a user that the air conditioner stops running due to a large amount of condensation on the air deflector. The user can be started up again after the condensation on the aviation baffle is cleared up. Through the arrangement, a large amount of condensation on the air deflector is prevented from dripping to pollute a carpet or a floor, and the use experience of a user is optimized. Under the condition that the current is greater than the first current threshold value and is less than or equal to the second current threshold value, the condensation on the air deflector is more but not reach the degree of dripping to the ground, the air speed after the improvement and the compressor frequency after the reduction are maintained at the moment, the condensation on the air deflector can be prevented from continuously increasing, the continuous operation of the air conditioner is ensured, and the shutdown treatment is prevented from influencing the refrigeration of the air conditioner. If the current is less than or equal to the first current threshold, the condensation on the air deflector is less or is evaporated, and at the moment, the air outlet speed and the frequency of the compressor are restored to the state before adjustment, so that the overall performance of the air conditioner can be ensured, and the refrigeration effect is prevented from being influenced by continuous low-frequency operation.
It can be understood by those skilled in the art that controlling the air conditioner to stop operating and controlling the alarm device to give an alarm when the current is greater than the second current threshold is only a preferred embodiment, and those skilled in the art can adjust the current as required to adapt to specific use occasions, for example, when the current is greater than the second current threshold, only controlling the air conditioner to stop operating to slow down the generation of condensation on the air deflector; or when the current is larger than the second current threshold, only controlling the alarm device of the air conditioner to give an alarm to remind a user to treat the condensation on the air deflector so as to prevent the condensation from dropping to the ground to pollute the carpet or the floor.
In another specific embodiment, the current threshold comprises a first current threshold and a second current threshold, wherein the first current threshold is less than the second current threshold. The method comprises the steps of obtaining the current of a stepping motor under the condition that an air deflector swings, comparing the current with a first current threshold and a second current threshold, and selectively increasing the air outlet speed and reducing the frequency of a compressor according to the comparison result. Specifically, when the current is greater than a first current threshold and less than or equal to a second current threshold, the air outlet speed is increased and the frequency of the compressor is reduced; when the current is larger than the second current threshold value, controlling the air conditioner to stop running and controlling the alarm device to give an alarm; and when the current is less than or equal to the first current threshold value, maintaining the current wind outlet speed and the frequency of the compressor. Therefore, when the condensation on the air deflector reaches the degree of dripping to the ground, the air conditioner is directly controlled to stop and the alarm device is controlled to give an alarm, so that the condensation is prevented from dripping to the ground.
In addition, the invention also provides an air conditioner which comprises a controller, wherein the controller is used for executing any one of the control methods of the air conditioner. The air conditioner may be a wall-mounted air conditioner, a cabinet air conditioner, a ceiling air conditioner, or the like.
As can be seen from the above description, in the preferred embodiment of the present invention, the first current of the stepping motor is obtained and compared with the first current threshold value under the condition that the air deflector swings, and if the first current is greater than the first current threshold value, the air outlet speed is increased and the frequency of the compressor is reduced, so that condensation on the air deflector can be reduced, and a large amount of condensation collected on the air deflector and dropped to the ground to contaminate the carpet or the floor can be avoided. Through such control, the problem that a large amount of condensation is generated on the air deflector to cause the condensation to drop is effectively avoided. In addition, the control method almost does not need to additionally increase hardware equipment, is simple, and is high in control precision because the current detection of the stepping motor can obtain data with high precision.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. The anti-condensation control method of the air conditioner is characterized by comprising a shell, wherein an air outlet is formed in the shell, an air deflector is arranged at the air outlet, the air conditioner is also provided with a stepping motor for driving the air deflector to move, and the anti-condensation control method comprises the following steps:
acquiring the current of the stepping motor under the condition that the air deflector swings;
comparing the current to a current threshold;
selectively increasing the wind outlet speed and/or reducing the frequency of the compressor according to the comparison result;
the current threshold includes a first current threshold and a second current threshold, where the second current threshold is greater than the first current threshold, and the "selectively increasing the wind outlet speed and/or decreasing the frequency of the compressor according to the comparison result" specifically includes:
if the current is larger than the first current threshold, increasing the wind outlet speed and/or reducing the frequency of a compressor;
after the step of increasing the wind outlet speed and/or reducing the frequency of the compressor, the anti-condensation control method comprises the following steps:
obtaining the current of the stepping motor;
comparing the magnitude of the current to the current threshold;
selectively controlling the air conditioner to stop running according to the comparison result;
the step of selectively controlling the air conditioner to stop operating according to the comparison result specifically includes:
and if the current is larger than the second current threshold value, controlling the air conditioner to stop running.
2. The anti-condensation control method according to claim 1, wherein the step of selectively controlling the air conditioner to stop operating according to the comparison result specifically comprises:
if the current is greater than the first current threshold and not greater than the second current threshold, then the current wind speed and compressor frequency are maintained.
3. The anti-condensation control method according to claim 1, wherein the air conditioner is provided with an alarm device, the anti-condensation control method further comprising:
simultaneously with or after the step of "controlling the air conditioner to stop operating", the condensation prevention control method includes the steps of:
and controlling the alarm device to give an alarm.
4. The anti-condensation control method according to claim 1, further comprising:
acquiring initial current of the stepping motor;
determining the current threshold from the initial current;
the initial current is obtained by controlling the air deflector to swing when the air conditioner is started at this time.
5. The anti-condensation control method according to claim 4, characterized in that the first current threshold is 120% to 130% of the initial current.
6. The anti-condensation control method according to claim 5, characterized in that the second current threshold is 135% to 150% of the initial current.
7. An air conditioner characterized by comprising a controller for executing the anti-condensation control method of the air conditioner according to any one of claims 1 to 6.
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| JP2011017488A (en) * | 2009-07-09 | 2011-01-27 | Panasonic Corp | Air conditioner |
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| CN106440636A (en) * | 2016-09-21 | 2017-02-22 | 合肥华凌股份有限公司 | Refrigerator air door freezing detection and control method, system, device and refrigerator |
| CN107421061A (en) * | 2017-07-06 | 2017-12-01 | 青岛海尔空调器有限总公司 | The condensation prevention control method and device of air conditioner |
| CN108397875A (en) * | 2018-02-14 | 2018-08-14 | 青岛海尔空调器有限总公司 | Condensation prevention control method for air conditioner |
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