CN108413582A - Condensation prevention control method for air conditioner - Google Patents
Condensation prevention control method for air conditioner Download PDFInfo
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- CN108413582A CN108413582A CN201810151952.1A CN201810151952A CN108413582A CN 108413582 A CN108413582 A CN 108413582A CN 201810151952 A CN201810151952 A CN 201810151952A CN 108413582 A CN108413582 A CN 108413582A
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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
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/02—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/15—Power, e.g. by voltage or current
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technical fields, and in particular to a kind of condensation prevention control method for air conditioner.Present invention seek to address that of high cost existing for the existing condensation prevention control method for air conditioner, the poor problem of effect.For this purpose, the condensation prevention control method of the present invention includes：During air conditioner refrigerating operaton, compare the size of indoor humidity value and relative humidity threshold value；In the case that humidity value is more than relative humidity threshold value indoors, the real-time current value of indoor fan and the ratio of standard current value are calculated, and compare the size of ratio and given threshold；According to the comparison result of ratio and given threshold, selectively controls air conditioner and enter anti-condensation pattern；Wherein, standard current value is pre-set.By above-mentioned control method, the present invention can effectively improve anti-condensation effect, reduce the anti-condensation cost of air conditioner, improve the usage experience of user.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of condensation prevention control method for air conditioner.
Background technology
Currently, the application of air-conditioning is very extensive, it is increasingly becoming essential household electrical appliance in people's summer.Air conditioner
During running in a chiller mode, if being chronically under the adverse circumstances such as high temperature and humidity, the coil temperature of indoor heat exchanger
Can be well below the dew-point temperature of air, indoor unit easily generates condensation problem at this time, and then air-conditioning occurs and blow water or interior
The case where machine side plate drips largely effects on the usage experience of user.
In view of the above-mentioned problems, existing technical solution is typically to be gone by the coil temperature of indoor temperature and indoor heat exchanger
Judge the condensation degree of indoor unit, and when machine reaches condensation condition indoors, control indoor unit takes corresponding anti-condensation measure.
Although this anti-condensation control mode solves the problems, such as that indoor unit is also easy to produce condensation to a certain extent, also inevitably deposit
In following defect.First, the parameter acquisition process of this anti-condensation control method is to rely on setting machine and indoor heat exchange indoors
What the temperature sensor on device coil pipe carried out, very high to the precise requirements of sensor, this requires producers to need use cost
Higher sensor completes the precise acquisition to parameter, it is clear that this mode considerably increases the cost of air conditioner, is unfavorable for producing
The popularization of product.Secondly, the acquisition of parameter is uniform relatively more accurate in the air flow for the machine of getting in, but in air-conditioning
Device after a period of use, due to dust accumulation etc., gets in the feelings that the air flow in machine necessarily will appear size unevenness
Condition, at this point, the temperature sensor being arranged in heat exchanger coils indoors can only acquire the coil temperature of current setting position,
And the temperature of other flow paths then can not be acquired accurately, and then the acquisition of parameter is caused deviation occur, influence judging result.
Correspondingly, this field needs a kind of condensation prevention control method for air conditioner newly to solve the above problems.
Invention content
In order to solve the above problem in the prior art, in order to solve the existing anti-condensation controlling party for air conditioner
Of high cost existing for method, the poor problem of effect, the present invention provides a kind of condensation prevention control method for air conditioner, the air-conditionings
Device includes compressor, expansion valve, indoor fan and indoor heat exchanger, and the condensation prevention control method includes：
During air conditioner refrigerating operaton, compare the size of indoor humidity value and relative humidity threshold value；
In the case where the indoor humidity value is more than the relative humidity threshold value, the real-time electricity of the indoor fan is calculated
The ratio of flow valuve and standard current value, and the size of the ratio and given threshold；
According to the comparison result of the ratio and given threshold, selectively controls the air conditioner and enter anti-condensation mould
Formula；
Wherein, the standard current value is pre-set.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, the standard current value is based on institute
The rotating speed for stating indoor fan obtains.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, the standard current value is described
Load current value of the indoor fan under current rotating speed.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, " according to the ratio and setting
The comparison result of threshold value, selectively control the air conditioner enter anti-condensation pattern " the step of further comprise：
When the ratio is less than the given threshold, controls the air conditioner and enter anti-condensation pattern, specifically include control
The aperture for making the expansion valve increases the first setting aperture, and/or the frequency of the control compressor is reduced to first to set
Determine frequency.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, " according to the ratio and setting
The comparison result of threshold value, selectively control the air conditioner enter anti-condensation pattern " the step of further comprise：
When the ratio is not less than the given threshold, controls the air conditioner and maintain present mode of operation, do not execute
Anti-condensation pattern.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, described first sets aperture as 50
Step.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, first setpoint frequency is institute
State the 80% of the rated frequency of compressor.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, the given threshold is 0.85-
Arbitrary value between 0.95.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, the given threshold is 0.9.
In the optimal technical scheme of the above-mentioned condensation prevention control method for air conditioner, the relative humidity threshold value is
Arbitrary value in 70%-100%.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, condensation prevention control method packet
It includes：During air conditioner refrigerating operaton, compare the size of indoor humidity value and relative humidity threshold value；Humidity value is more than indoors
In the case of relative humidity threshold value, the real-time current value of indoor fan and the ratio of standard current value are calculated, and compare the ratio
With the size of given threshold；According to the comparison result of the ratio and given threshold, selectively control air conditioner enter it is anti-condensation
Pattern；Wherein, the standard current value is pre-set.By pre-setting standard current value, then freeze in air conditioner
It runs and when indoor humidity value is more than relative humidity threshold value, compares the ratio and setting threshold of real-time current value and standard current value
The size of value selectively controls air conditioner and enters corresponding anti-condensation pattern, and control method of the invention can be set in cancellation
Under conditions of setting temperature sensor, only by acquire indoor fan real-time current value and calculate real-time current value and normalized current
The mode of the ratio of value effectively judges whether air conditioner dew condensation phenomenon occurs, and when condensation occurs in air conditioner, automatically into
Enter corresponding anti-condensation pattern, and then prevents air conditioner from condensation occur, reduce the condensation degree of air conditioner or eliminating condensation.This is
Because air conditioner is at work, under identical rotation speed of fan, what the load of motor was to determine, and the coil pipe of heat exchanger indoors
When there is dew condensation phenomenon, the windage of indoor fan can increase, and the electric current of corresponding motor will reduce, that is, real-time current value
It can reduce with the ratio of standard current value, therefore compared to temperature sensor, the ratio energy of real-time current value and standard current value
Enough condensation degree for more accurately reacting air-conditioning.That is, compared to the prior art, control method of the invention not only carries
The high accuracy of judging result and anti-condensation effect, and also simplify the structure of air conditioner, save air conditioner at
This, improves the usage experience of user.
Description of the drawings
With reference to the accompanying drawings come describe the present invention the condensation prevention control method for air conditioner.In attached drawing：
Fig. 1 is the flow diagram of the condensation prevention control method for air conditioner of the present invention；
Fig. 2 is the logical schematic of the condensation prevention control method for air conditioner of the present invention.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.Although for example,
Relative humidity threshold value in attached drawing is described with 85%, but the relative humidity threshold value is non-unalterable, this field skill
Art personnel can as needed make adjustment to it, to adapt to specific application scenario.For example, the area big in humidity, phase
80% or 75% can be arranged to humidity threshold, it is opposite to pore over therewith and 90% is arranged in the area of relatively dry
Or higher.
Usual air conditioner all includes indoor unit and outdoor unit, and indoor heat exchanger, indoor fan etc., room are provided in indoor unit
Compressor, electric expansion valve, outdoor fan and outdoor heat exchanger etc. are provided in outer machine.And air conditioner works in cooling mode
Shi Yidan air humiditys are more than certain threshold value, and indoor unit easily generates condensation problem, and then air-conditioning occurs and blow water or indoor unit
Phenomena such as panel drips largely effects on the usage experience of user.
With reference first to Fig. 1 and Fig. 2, present invention is described.Wherein, Fig. 1 is the present invention for the anti-condensation of air conditioner
Reveal the flow diagram of control method, Fig. 2 is the logical schematic of the condensation prevention control method for air conditioner of the present invention.Such as
Shown in Fig. 1, to solve the above-mentioned problems, the condensation prevention control method for air conditioner of the invention mainly includes the following steps that：
S100, during air conditioner refrigerating operaton, compare the size of indoor humidity value and relative humidity threshold value, such as logical
It crosses and the mode of humidity sensor is set in air conditioner acquires indoor temperature, and by this temperature and preset relative humidity threshold value
Compare, wherein relative humidity threshold value is not less than 70% and is not more than 100%, it is therefore preferable to 85%, the benefit being arranged in this way is：
Since the comfortable humidity of human body sensory is that relative humidity is less than 70%, set the minimum of relative humidity threshold value to
70%, and it is preferred that 85% is since when air humidity is more than 85%, air conditioner is more prone to condensation, certainly, for difference
Region and varying environment, the preferred value can float up and down；
In the case that S200, indoors humidity value are more than relative humidity threshold value, compare the real-time current value I of indoor fan with
Standard current value IsRatio I/Is, wherein standard current value IsIt is pre-set, for example, by indoor fan in current rotating speed
Load current value when operation is as standard current value Is, and the value is stored in air conditioner, humidity value is more than indoors
When 85%, it was demonstrated that indoor environment is easy that air conditioner is made to generate condensation, calculates real-time current value I and standard current value I at this timesRatio
Value I/Is, certainly, standard current value IsCan also be the current value of indoor heat exchanger indoor fan when not generating condensation, and
The current value can also store beyond the clouds or mobile terminal is medium；
S300, according to the comparison result of ratio and given threshold, selectively control air conditioner and enter anti-condensation pattern, it is excellent
Selection of land, arbitrary value of the given threshold between 0.85-0.95, such as in given threshold be 0.9, that is, I/Is<When 0.9, this
When real-time current value I relative to standard current value IsDecline more, it was demonstrated that air conditioner will generate condensation or generate at this time
Condensation needs to prevent air-conditioning generation condensation or condensation degree serious by entering corresponding anti-condensation operation.
It can be seen from the above description that by pre-setting standard current value Is, then in air conditioner refrigerating operaton and
When indoor humidity value is more than relative humidity threshold value, it is based on real-time current value I and standard current value IsRatio I/IsWith given threshold
Comparison result, selectively control air conditioner and enter corresponding anti-condensation pattern, control method of the invention can cancelled
Be arranged temperature sensor under conditions of, only by acquire indoor fan real-time current value I and calculate real-time current value I and standard
Current value IsRatio I/IsMode effectively judge whether air conditioner condensation occurs, and when there is condensation in air conditioner, energy
Enough control modes automatically into corresponding anti-condensation pattern, to reduce the degree of condensation or eliminate condensation.This is because air-conditioning
Device at work, under identical indoor fan rotating speed, what the load of motor was to determine, and the coil pipe of heat exchanger occurs indoors
When dew condensation phenomenon, the windage of indoor fan can increase, and the electric current of corresponding motor will reduce, that is, real-time current value I with
Standard current value IsRatio I/IsIt can reduce, therefore compared to temperature sensor, real-time current value I and standard current value Is's
Ratio I/IsThe condensation degree of air-conditioning can more accurately be reacted.
With reference to Fig. 2, in a kind of possible embodiment, step S300 may further include again：
1) in ratio I/IsWhen not less than given threshold, control air conditioner maintains present mode of operation, does not enter anti-condensation
Pattern.In ratio I/IsWhen not less than given threshold, it was demonstrated that although indoor humidity is larger at this time, the real-time electricity of indoor fan
Flow valuve I declines simultaneously few, that is, the windage of indoor fan do not increase or increasing degree is smaller, not the risk of condensation, because
This controls air conditioner and maintains present mode of operation at this time, does not enter anti-condensation pattern.
2) in ratio I/IsWhen less than given threshold, controls the air conditioner and enter anti-condensation pattern, specifically include control
The aperture of electric expansion valve increases the first setting aperture, and/or the frequency of control compressor is reduced to the first setpoint frequency.
In ratio I/IsWhen less than given threshold, it was demonstrated that the real-time current value I of indoor fan declines more at this time, i.e. the wind of indoor fan
Resistance increase is larger, and indoor unit has condensation risk or generated condensation, it is therefore desirable to take measures to prevent the appearance of condensation or drop
The degree of low condensation.Electronic expansion valve opening can be controlled at this time increase first set aperture (such as first sets aperture as 50 steps
Or 60 steps etc.), and at the same time control compressor frequency is reduced to the first setpoint frequency, (such as the first setpoint frequency is that compressor is current
80% of frequency or 70% etc.).When the aperture of electric expansion valve increases, evaporating temperature is can effectively improve, namely improve and steam
Pressure is sent out, and since the raising of evaporating temperature can make the coil temperature of indoor heat exchanger increase, thus when coil temperature is close
Or when more than dew-point temperature, condensation situation can be effectively relieved.After compressor frequency reducing is run, under the refrigerating capacity of indoor unit
Drop, thus the coil temperature of indoor heat exchanger can also increase, thus when coil temperature is increased to dew-point temperature or more, Ke Yiyou
Effect alleviates condensation situation.And control electric expansion valve simultaneously and increase the first setting aperture and compressor frequency reducing operation, then it can add
The ramp-up rate of fast coil temperature, and then rapid recovery condensation situation.
The advantages of above-mentioned control mode, is, can effectively judge air-conditioning under conditions of being not provided with temperature sensor
Whether device there is condensation, and is that air conditioner quickly takes corresponding control measure when there is condensation in judging result, to prevent
Or alleviate condensation situation.This control mode not only saves the cost of air conditioner, and judgement precision also greatly improved, improve
The usage experience of user.In addition, the advantages of above-mentioned control mode, also resides in, what the air conditioner either to have dispatched from the factory did not still dispatch from the factory
Air conditioner need to only can be solved the condensation problem of air conditioner by upgrading software, both save the air conditioner upgrade cost of user,
It is also beneficial to the marketing of air conditioner.
Finally, it should be noted that the above embodiment is used merely to illustrate the control principle of the present invention, it is not intended to limit
Protection scope of the present invention processed, on the basis of without departing from the control principle of the present invention, those skilled in the art have reason to this
Control method is reasonably adjusted, so that the method for the present invention can be suitable for more specific application scenarios.For example, in air conditioner
When there is condensation, other than increasing electronic expansion valve opening, reducing the control mode of compressor frequency, it can also use and increase room
The mode of inner blower rotating speed alleviates condensation, such as controls indoor fan and is run with maximum speed.When indoor fan is transported with maximum speed
When row, the heat exchange of room air and interior radiator can be accelerated, and then quickly improve coil temperature, thus coil temperature can
Dew-point temperature or more is risen rapidly to, with rapid recovery condensation situation.In addition, the control mode that three of the above alleviates condensation may be used also
To be freely combined, so that ideal anti-condensation effect can be reached for different application scenarios.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (10)
1. a kind of condensation prevention control method for air conditioner, the air conditioner includes compressor, expansion valve, indoor fan and room
Interior heat exchanger, which is characterized in that the condensation prevention control method includes：
During air conditioner refrigerating operaton, compare the size of indoor humidity value and relative humidity threshold value；
In the case where the indoor humidity value is more than the relative humidity threshold value, the real-time current value of the indoor fan is calculated
With the ratio of standard current value, and the size of the ratio and given threshold；
According to the comparison result of the ratio and given threshold, selectively controls the air conditioner and enter anti-condensation pattern；
Wherein, the standard current value is pre-set.
2. the condensation prevention control method according to claim 1 for air conditioner, which is characterized in that the standard current value
Rotating speed based on the indoor fan obtains.
3. the condensation prevention control method according to claim 2 for air conditioner, which is characterized in that the standard current value
For load current value of the indoor fan under current rotating speed.
4. the condensation prevention control method according to any one of claim 1 to 3 for air conditioner, which is characterized in that " root
According to the comparison result of the ratio and given threshold, selectively control the air conditioner enter anti-condensation pattern " the step of into
One step includes：
It when the ratio is less than the given threshold, controls the air conditioner and enters anti-condensation pattern, specifically include control institute
The aperture for stating expansion valve increases the first setting aperture, and/or the frequency of the control compressor is reduced to the first setting frequency
Rate.
5. the condensation prevention control method according to any one of claim 1 to 3 for air conditioner, which is characterized in that " root
According to the comparison result of the ratio and given threshold, selectively control the air conditioner enter anti-condensation pattern " the step of into
One step includes：
When the ratio is not less than the given threshold, controls the air conditioner and maintain present mode of operation, do not execute anti-condensation
Dew pattern.
6. the condensation prevention control method according to claim 4 for air conditioner, which is characterized in that first setting is opened
Degree is 50 steps.
7. the condensation prevention control method according to claim 4 for air conditioner, which is characterized in that the first setting frequency
Rate is the 80% of the rated frequency of the compressor.
8. the condensation prevention control method according to claim 1 for air conditioner, which is characterized in that the given threshold is
Arbitrary value between 0.85-0.95.
9. the condensation prevention control method according to claim 8 for air conditioner, which is characterized in that the given threshold is
0.9。
10. the condensation prevention control method according to claim 1 for air conditioner, which is characterized in that the relative humidity
Threshold value is the arbitrary value in 70%-100%.
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| CN201810151952.1A CN108413582A (en) | 2018-02-14 | 2018-02-14 | Condensation prevention control method for air conditioner |
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| CN201810151952.1A CN108413582A (en) | 2018-02-14 | 2018-02-14 | Condensation prevention control method for air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323440A (en) * | 2018-10-17 | 2019-02-12 | 青岛海尔空调器有限总公司 | Air conditioner and its condensation prevention control method |
| CN109812935A (en) * | 2019-01-29 | 2019-05-28 | 广东美的暖通设备有限公司 | Air conditioner, the control method of air conditioner and storage medium |
| CN109812922A (en) * | 2019-02-21 | 2019-05-28 | 珠海格力电器股份有限公司 | Air conditioner condensation prevention control method and device and air conditioner |
| CN113251612A (en) * | 2021-05-06 | 2021-08-13 | 青岛海尔空调器有限总公司 | Anti-condensation control method for air conditioner and air conditioner |
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| CN113251612A (en) * | 2021-05-06 | 2021-08-13 | 青岛海尔空调器有限总公司 | Anti-condensation control method for air conditioner and air conditioner |
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