CN108731202A - A kind of convertible frequency air-conditioner dehumidification mode control method and air-conditioning - Google Patents
A kind of convertible frequency air-conditioner dehumidification mode control method and air-conditioning Download PDFInfo
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- CN108731202A CN108731202A CN201810556745.4A CN201810556745A CN108731202A CN 108731202 A CN108731202 A CN 108731202A CN 201810556745 A CN201810556745 A CN 201810556745A CN 108731202 A CN108731202 A CN 108731202A
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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
- F24F11/62—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
- F24F11/70—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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- 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
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of convertible frequency air-conditioner dehumidification mode control method and air-conditionings, include the following steps：S1：When entering dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and judges whether indoor environment temperature is less than the first room temperature threshold, is run if otherwise pressing refrigeration mode, if so then execute S2：Judge whether indoor environment temperature is less than the second room temperature threshold, if then compressor shutdown；If otherwise judging whether the difference of indoor environment relative humidity and relative humidity threshold value is less than the first difference, if otherwise control compressor is run with first frequency, indoor fan is run with low wind, if so then execute S3：Judge whether the difference of indoor environment relative humidity and relative humidity threshold value is less than the second difference, if then compressor shutdown；If otherwise control compressor is run with second frequency, indoor fan is run with low wind or gentle breeze.The present invention can control indoor relative humidity completely, can avoid high frequent start and stop, improve the comfort of user in Dehumidification controlling.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of convertible frequency air-conditioner dehumidification mode control method and air-conditioning.
Background technology
Transducer air conditioning, to reduce room relative humidity, is often matched using upper frequency during Dehumidification controlling at present
It closes relatively low wind speed to dehumidify, system evaporating temperature can be allowed to keep relatively low in this way, increase condensed water and be precipitated, but this mode has
Two aspects affect comfort：On the one hand it is that humid control is out of control, the humidity of human comfort may be not achieved or dehumidified
Degree causes relative humidity too low；On the other hand it is to the lower indoor room of part heat load, dehumidification process can lead to room temperature
Degree reduces rapidly, and makes human body sensory cold or reaches shutdown temperature and frequent start-stop air-conditioning dehumidifies, leads to room temperature
It fluctuates up and down and is not up to ideal effect on moisture extraction again, thus bring very uncomfortable subjective feeling.
Invention content
For the deficiency in the presence of the prior art, allow indoor relative humidity is entirely controlled, keeps away the present invention provides one kind
Exempt from frequent start-stop, the convertible frequency air-conditioner dehumidification mode control method for the comfort for effectively improving Dehumidification controlling and air-conditioning.
The invention discloses a kind of convertible frequency air-conditioner dehumidification mode control methods, include the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and
Judge whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；If not less than if according to
Refrigeration mode is run, and terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if the compressor shutdown less than if, terminates
This method；If judging not less than if, it is default poor whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than first
Value is run if controlling compressor not less than if with preset first frequency, and indoor fan is run with low wind, terminates this method；If
Less than thening follow the steps S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan
It is run with low wind or gentle breeze, terminates this method.
The invention discloses another convertible frequency air-conditioner dehumidification mode control methods, include the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and
Judge whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；If not less than if according to
Refrigeration mode is run, and terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if less than S4 is thened follow the steps；If no
Less than then judging whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the first preset difference value, if being not less than
It then controls compressor to run with preset first frequency, indoor fan is run with low wind, terminates this method；Step is executed if being less than
Rapid S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan
It is run with low wind, terminates this method；
S4：Judge whether indoor environment temperature is less than preset third room temperature threshold, if the compressor shutdown less than if, terminates
This method；If judging not less than if, it is default poor whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than first
Value is run if controlling compressor not less than if with preset second frequency, and indoor fan is run with low wind, terminates this method；If
Less than thening follow the steps S5；
S5：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset third frequency if controlling compressor not less than if, indoor fan
It is run with gentle breeze, terminates this method.
The invention also discloses a kind of convertible frequency air-conditioners, including compressor and indoor fan, further include：
Control unit：Enter dehumidification mode instruction for receiving；Receive the indoor environment temperature detected and indoor environment
The data of relative humidity；If indoor environment temperature is not less than preset first room temperature threshold, run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default first frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controlling compressor and is run with default second frequency, indoor fan is run with low wind or gentle breeze,
If the difference is less than the second preset difference value, stop compressor operating；
If indoor environment temperature is less than preset second room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit.
The invention also discloses a kind of convertible frequency air-conditioners, including compressor and indoor fan, further include：
Control unit：Enter dehumidification mode instruction for receiving；If indoor environment temperature is not less than preset first room temperature
Threshold value is then run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default first frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controls compressor and is run with default second frequency, indoor fan is run with low wind, if described
Difference is less than the second preset difference value, then stops compressor operating；
If indoor environment temperature is less than preset second room temperature threshold and is not less than preset third room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default second frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controls compressor and is run with default third frequency, indoor fan is run with gentle breeze, if described
Difference is less than the second preset difference value, then stops compressor operating；
If indoor environment temperature is less than preset third room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit.
Compared with the prior art, the present invention has the advantages that：
By the double control of temperature and relative humidity under convertible frequency air-conditioner dehumidification mode, to match best compressor frequency
Rate and indoor and outdoor machine wind speed, make indoor relative humidity entirely controlled in dehumidification process, and dehumidifying is avoided excessively to cause air-conditioning frequent
Start and stop, to improve comfort of the user under Dehumidification controlling.
Description of the drawings
Fig. 1 is the flow diagram of the method for the present invention embodiment 1；
Fig. 2 is the flow diagram of the method for the present invention embodiment 2；
Fig. 3 is the structural schematic diagram of apparatus of the present invention embodiment.
Specific implementation mode
In order to which the technical means, creative features, achievable purpose and effectiveness for making invention realize are easy to understand, with reference to
It is specifically illustrating, the present invention is further explained.
Embodiment of the method 1：
A kind of convertible frequency air-conditioner dehumidification mode control method, as shown in Figure 1, including the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and
Judge whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；If not less than if according to
Refrigeration mode is run, and terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if the compressor shutdown less than if, terminates
This method；If judging not less than if, it is default poor whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than first
Value is run if controlling compressor not less than if with preset first frequency, and indoor fan is run with low wind, terminates this method；If
Less than thening follow the steps S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan
It is run with low wind or gentle breeze, terminates this method.
Preferably, first room temperature threshold can be between 25~28 DEG C, the second room temperature threshold can be 20~25
Between DEG C, as long as meeting first the second room temperature thresholds of room temperature threshold >.
Preferably, the default relative humidity threshold value can be arranged between 40~60%, especially 50%；Described
One preset difference value can be arranged between 5~15%, and especially 10%；Second preset difference value can be arranged -5~-15% it
Between, especially -10%.
Preferably, the first frequency can be 50Hz or 40Hz, second frequency can be 40Hz or 30Hz, as long as full
Sufficient first frequency > second frequencies.Said frequencies are that the relatively reasonable frequency of verification experimental verification (takes into account effect on moisture extraction and room
Between temperature be unlikely to fluctuation it is too big), if the lucky noise of said frequencies, vibration it is unqualified, be frequency hopping point, then reduce 0.1Hz come
Test whether qualification, using the frequency as preset value if qualified, if unqualified continue to reduce 0.1Hz, and so on.
The instruction into dehumidification mode can be sent to control by remote controler or by the application in mobile device
Unit processed.It is appreciated that since " low wind ", " gentle breeze " are the air quantity stepping that air conditioner in the prior art usually all has and wind
Amount difference is mainly influenced by motor speed difference, and " the low wind " of the indoor fan is higher than the rotating speed of " gentle breeze ", in the S2
" low wind " corresponding first rotating speed (first frequency of cooperation compressor) the second rotating speed (cooperation compression more corresponding than " low wind " in S3
The second frequency of machine) higher.
This method judges indoor environment temperature using two-stage room temperature threshold, and according to the room temperature measured and relatively wet
The difference of degree takes corresponding Dehumidification controlling means, and the control to indoor humidity can be well realized.
This method by under convertible frequency air-conditioner dehumidification mode to the double control of temperature and relative humidity, it is best to match
Compressor frequency and indoor fan wind speed, make indoor relative humidity entirely controlled in dehumidification process, and dehumidifying is avoided excessively to cause
Air-conditioning frequent start-stop, to improve comfort of the user under Dehumidification controlling.
Embodiment of the method 2：
A kind of convertible frequency air-conditioner dehumidification mode control method, as shown in Fig. 2, including the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and
Judge whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；If not less than if according to
Refrigeration mode is run, and terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if less than S4 is thened follow the steps；If no
Less than then judging whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the first preset difference value, if being not less than
It then controls compressor to run with preset first frequency, indoor fan is run with low wind, terminates this method；Step is executed if being less than
Rapid S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan
It is run with low wind, terminates this method；
S4：Judge whether indoor environment temperature is less than preset third room temperature threshold, if the compressor shutdown less than if, terminates
This method；If judging not less than if, it is default poor whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than first
Value is run if controlling compressor not less than if with preset second frequency, and indoor fan is run with low wind, terminates this method；If
Less than thening follow the steps S5；
S5：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if
Less than then compressor shutdown, terminate this method；It is run with preset third frequency if controlling compressor not less than if, indoor fan
It is run with gentle breeze, terminates this method.
In this method, the first room temperature threshold > the second room temperature threshold > third room temperature thresholds.Specifically, described first
Room temperature threshold can be 28 DEG C, and the second room temperature threshold can be 25 DEG C, and third room temperature threshold can be 20 DEG C.
The default relative humidity threshold value can be 50%, and first preset difference value can be 10%, and second is default poor
Value can be -10%.
The first frequency > second frequencies > third frequencies.Specifically, the first frequency can take 50Hz, the second frequency
Rate can take 40Hz, third frequency that can take 30Hz.Said frequencies are that the relatively reasonable frequency of verification experimental verification (takes into account dehumidifying effect
Fruit and room temperature be unlikely to fluctuation it is too big), if the lucky noise of said frequencies, vibration it is unqualified, be frequency hopping point, then reduce
0.1Hz tests whether qualification, and the frequency is regard as preset value if qualified, if unqualified continue reduction 0.1Hz, with such
It pushes away.It is appreciated that since " low wind ", " gentle breeze " are the air quantity steppings that air conditioner in the prior art usually all has and air quantity is poor
Different mainly to be influenced by motor speed difference, " the low wind " of the indoor fan is higher than the rotating speed of " gentle breeze ", " low in the S2
" low wind " corresponding second rotating speed (cooperation compression in corresponding first rotating speed of wind " (first frequency of cooperation compressor) > S3, S4
The second frequency of machine).
This method increases the judgement of level-one room temperature threshold, can further increase and dehumidify on the basis of embodiment 1
To the control of indoor relative humidity in journey, keep the Dehumidification controlling of air-conditioning more smooth, effect on moisture extraction is more preferable, and user experience is more easypro
It is suitable.
It is appreciated that according to the inventive concept of this method, the quantity of the room temperature threshold for judgement can be continued growing (i.e.
Room temperature threshold quantity > 3), and according to the different setting phases of indoor environment temperature under each room temperature threshold and indoor environment relative humidity
The operation control program of corresponding compressor and indoor fan, to improve the comfort of user.Similarly, can also increase for sentencing
The quantity (i.e. preset difference value quantity > 2) of disconnected preset difference value, further control of the refinement to compressor and indoor fan, to reach
To more preferably effect on moisture extraction.
Device embodiment 1：
A kind of convertible frequency air-conditioner, as shown in figure 3, include compressor and indoor fan, further include：
Control unit：Enter dehumidification mode instruction for receiving；Receive the indoor environment temperature detected and indoor environment
The data of relative humidity；If indoor environment temperature is not less than preset first room temperature threshold, run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default first frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controlling compressor and is run with default second frequency, indoor fan is run with low wind or gentle breeze,
If the difference is less than the second preset difference value, stop compressor operating；
If indoor environment temperature is less than preset second room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit；
Described control unit respectively with the compressor, indoor fan, temperature sensor, relative humidity sensor, instruction
Input unit connects.
MCU or PLC etc. may be used to realize judgement and control in described control unit.Described instruction input unit can be
Button on air-conditioning panel or button can also be remote control equipment (such as IR remote controller), can also be that mobile device (passes through shifting
App in dynamic equipment, which is applied to air-conditioning, sends out instruction).It is appreciated that the present embodiment may be implemented as described in embodiment of the method 1
A kind of convertible frequency air-conditioner dehumidification mode control method.
Device embodiment 2：
A kind of convertible frequency air-conditioner, as shown in figure 3, include compressor and indoor fan, further include：
Control unit：Enter dehumidification mode instruction for receiving；If indoor environment temperature is not less than preset first room temperature
Threshold value is then run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default first frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controls compressor and is run with default second frequency, indoor fan is run with low wind, if described
Difference is less than the second preset difference value, then stops compressor operating；
If indoor environment temperature is less than preset second room temperature threshold and is not less than preset third room temperature threshold, to room
Interior envionmental humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value,
It then controls compressor to run with default second frequency, indoor fan is run with low wind, if the difference is less than the first preset difference value
And be not less than the second preset difference value, then it controls compressor and is run with default third frequency, indoor fan is run with gentle breeze, if described
Difference is less than the second preset difference value, then stops compressor operating；
If indoor environment temperature is less than preset third room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit；
Described control unit respectively with the compressor, indoor fan, temperature sensor, relative humidity sensor, instruction
Input unit connects.
Relative to device embodiment 1 in the present embodiment, control unit increase the judgement to third room temperature threshold and
Corresponding relative humidity judges further to promote the effect of Dehumidification controlling.It is appreciated that the present embodiment may be implemented
A kind of convertible frequency air-conditioner dehumidification mode control method as described in embodiment of the method 2.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, every technical solution for belonging to the principle of the invention all belong to the scope of protection of the present invention.For those skilled in the art
Speech, several improvement carried out without departing from the principles of the present invention, these improvement also should be regarded as the protection model of the present invention
It encloses.
Claims (4)
1. a kind of convertible frequency air-conditioner dehumidification mode control method, it is characterised in that include the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and judge
Whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；According to refrigeration if being not less than
Mode operation terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if the compressor shutdown less than if, terminates we
Method；Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the first preset difference value if being not less than,
It is run with preset first frequency if controlling compressor not less than if, indoor fan is run with low wind, terminates this method；If being less than
Then follow the steps S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if being less than
Then compressor shutdown terminates this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan is with low
Wind or gentle breeze operation, terminate this method.
2. a kind of convertible frequency air-conditioner dehumidification mode control method, it is characterised in that include the following steps：
S1：When receiving into when the instruction of dehumidification mode, indoor environment temperature and indoor environment relative humidity are detected, and judge
Whether indoor environment temperature is less than preset first room temperature threshold, if less than S2 is thened follow the steps；According to refrigeration if being not less than
Mode operation terminates this method；
S2：Judge whether indoor environment temperature is less than preset second room temperature threshold, if less than S4 is thened follow the steps；If being not less than
Then judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the first preset difference value, is controlled if not less than if
Compressor processed is run with preset first frequency, and indoor fan is run with low wind, terminates this method；If less than thening follow the steps
S3；
S3：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if being less than
Then compressor shutdown terminates this method；It is run with preset second frequency if controlling compressor not less than if, indoor fan is with low
Wind is run, and terminates this method；
S4：Judge whether indoor environment temperature is less than preset third room temperature threshold, if the compressor shutdown less than if, terminates we
Method；Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the first preset difference value if being not less than,
It is run with preset second frequency if controlling compressor not less than if, indoor fan is run with low wind, terminates this method；If being less than
Then follow the steps S5；
S5：Judge whether the difference of indoor environment relative humidity and default relative humidity threshold value is less than the second preset difference value, if being less than
Then compressor shutdown terminates this method；It is run with preset third frequency if controlling compressor not less than if, indoor fan is with micro-
Wind is run, and terminates this method.
3. a kind of convertible frequency air-conditioner, including compressor and indoor fan, it is characterised in that further include：
Control unit：Enter dehumidification mode instruction for receiving；It receives the indoor environment temperature detected and indoor environment is opposite
The data of humidity；If indoor environment temperature is not less than preset first room temperature threshold, run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to indoor ring
Border relative humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value, control
Compressor processed is run with default first frequency, and indoor fan run with low wind, if the difference is less than the first preset difference value and not
Less than the second preset difference value, then controls compressor and run with default second frequency, indoor fan is run with low wind or gentle breeze, if institute
It states difference and is less than the second preset difference value, then stop compressor operating；
If indoor environment temperature is less than preset second room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit.
4. a kind of convertible frequency air-conditioner, including compressor and indoor fan, it is characterised in that further include：
Control unit：Enter dehumidification mode instruction for receiving；If indoor environment temperature is not less than preset first room temperature threshold,
Then run according to refrigeration mode；
If indoor environment temperature is less than preset first room temperature threshold and is not less than preset second room temperature threshold, to indoor ring
Border relative humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value, control
Compressor processed is run with default first frequency, and indoor fan run with low wind, if the difference is less than the first preset difference value and not
Less than the second preset difference value, then controls compressor and run with default second frequency, indoor fan is run with low wind, if the difference
Less than the second preset difference value, then stop compressor operating；
If indoor environment temperature is less than preset second room temperature threshold and is not less than preset third room temperature threshold, to indoor ring
Border relative humidity and the difference of default relative humidity threshold value are judged：If the difference is not less than the first preset difference value, control
Compressor processed is run with default second frequency, and indoor fan run with low wind, if the difference is less than the first preset difference value and not
Less than the second preset difference value, then controls compressor and run with default third frequency, indoor fan is run with gentle breeze, if the difference
Less than the second preset difference value, then stop compressor operating；
If indoor environment temperature is less than preset third room temperature threshold, stop compressor operating；
Temperature sensor：For detecting indoor environment temperature and being sent to control unit；
Relative humidity sensor：For detecting indoor environment relative humidity and being sent to control unit；
Instruction inputting device：For sending out the instruction into dehumidification mode to control unit.
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| CN110243025A (en) * | 2019-06-25 | 2019-09-17 | 江苏友奥电器有限公司 | A kind of control method and device of frequency conversion dehumidifier |
| CN110260421A (en) * | 2019-05-29 | 2019-09-20 | 广东海悟科技有限公司 | Blower and compressor control method under a kind of convertible frequency air-conditioner dehumidification mode |
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