CN110243025A - A kind of control method and device of frequency conversion dehumidifier - Google Patents
A kind of control method and device of frequency conversion dehumidifier Download PDFInfo
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- CN110243025A CN110243025A CN201910552446.8A CN201910552446A CN110243025A CN 110243025 A CN110243025 A CN 110243025A CN 201910552446 A CN201910552446 A CN 201910552446A CN 110243025 A CN110243025 A CN 110243025A
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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
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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
- F24F11/88—Electrical aspects, e.g. 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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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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- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses the control methods and device of a kind of frequency conversion dehumidifier, belong to technical field of electric appliances.It the described method comprises the following steps: obtaining first environment humidity and second environment humidity, first environment humidity, second environment humidity are detection time away from current two nearest ambient humidities, the corresponding detection time of first environment humidity detection time corresponding earlier than second environment humidity；The difference for obtaining first environment humidity and target humidity value obtains the first psychrometric difference, and the difference for obtaining second environment humidity and target humidity value obtains the second psychrometric difference, and obtains the second psychrometric difference and the difference of the first psychrometric difference obtains psychrometric difference change rate；The frequency adjustment of frequency conversion dehumidifier, predetermined formula are as follows: Δ F (n)=[Aj × (Ke × E (n))+(1-Aj) × (Kec × EC (n))] × Ku are calculated using predetermined formula；The running frequency of the frequency conversion dehumidifier inner compressor is adjusted according to the frequency adjustment；It solves the problems, such as that traditional frequency conversion dehumidifier environmental suitability is poor, has achieved the effect that improve dehumidification efficiency.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly, are related to the control method and device of a kind of frequency conversion dehumidifier.
Background technique
Currently, traditional frequency conversion dehumidifier sets multiple optimum frequencies just for several different ambient conditions, use
Family is typically only capable to the mode switching key or frequency error factor key being arranged on operation frequency conversion dehumidifier, triggers the operation frequency of frequency conversion dehumidifier
Rate switches in above-mentioned multiple optimum frequencies；And the practical service environment of frequency conversion dehumidifier is different, is not limited solely to
Several ambient conditions are stated, traditional frequency conversion dehumidifier environmental suitability is poor, causes dehumidification efficiency poor.
Summary of the invention
Based on this, it is necessary to provide the control method and device of a kind of frequency conversion dehumidifier of good environmental adaptability.
The technical solution adopted by the present invention to solve the technical problems is: a kind of control method of frequency conversion dehumidifier, including
Following steps:
First environment humidity and second environment humidity are obtained, the first environment humidity, the second environment humidity are inspection
Survey the current two nearest ambient humidities of time interval, the corresponding detection time of the first environment humidity is earlier than the second environment
The corresponding detection time of humidity；
The difference for obtaining the first environment humidity and target humidity value obtains the first psychrometric difference, obtains the second environment
The difference of humidity and the target humidity value obtains the second psychrometric difference, and obtains second psychrometric difference and first humidity
The difference of difference obtains psychrometric difference change rate；
The frequency adjustment of frequency conversion dehumidifier, the predetermined formula are calculated using predetermined formula are as follows: Δ F (n)=[Aj ×
(Ke × E (n))+(1-Aj) × (Kec × EC (n))] × Ku, the Δ F (n) is frequency adjustment, and the Aj is predetermined ratio
Parameter, the Ku frequency regulation coefficient, the Ke are the first quantizing factor, and the Kec is the second quantizing factor, and the E (n) is
First psychrometric difference, the EC (n) are the psychrometric difference change rate；
The running frequency of the frequency conversion dehumidifier inner compressor is adjusted according to the frequency adjustment.
Further, before obtaining the first environment humidity and the second environment humidity, the method also includes:
It is periodically detected ambient humidity；
The difference for calculating the ambient humidity and the target humidity value that are most recently detected obtains third psychrometric difference；
If the third psychrometric difference and the ratio of the target humidity value reach the first predetermined ratio, start the change
Compressor in frequency dehumidifier, and execute the step of obtaining the first environment humidity and the second environment humidity.
Further, it is provided with water storage box in the frequency conversion dehumidifier, is provided with liquid level detection device in the water storage box,
The method also includes:
The moisture storage capacity in water storage box is determined according to the liquid level sensor；
When moisture storage capacity in the water storage box is higher than alarm threshold value, warning message is shown.
Further, the moisture storage capacity in the water storage box is higher than after alarm threshold value, the method also includes:
According to water storage box described in the calculation of capacity of moisture storage capacity, the water storage box in the water storage box can amount of makeup water；
The water storage speed of water storage in the water storage box is determined according to the second environment humidity, the running frequency of the compressor
Degree；
Described in calculating can the ratio of amount of makeup water and the water storage speed obtain the remaining dehumidifying time；
Show the remaining dehumidifying time.
Further, after the frequency adjustment that frequency conversion dehumidifier is calculated using the predetermined formula, the method is also wrapped
It includes:
The frequency adjustment and the current running frequency summation of the compressor are calculated, the target of the compressor is obtained
Running frequency；
Obtain rotating speed of target corresponding with the target operating frequency；
The blower is controlled to rotate according to the rotating speed of target.
Further, after the frequency adjustment that frequency conversion dehumidifier is calculated using predetermined formula, the method is also wrapped
It includes:
When the difference of the second environment humidity and target humidity value within a preset range when, will be in the frequency conversion dehumidifier
The running frequency of compressor is reduced to predeterminated frequency, and control blower to run according to desired speed.
Further, after the running frequency that the frequency conversion dehumidifier inner compressor is adjusted according to the frequency adjustment,
The method also includes:
When the second environment humidity is lower than the first reference value, the ambient humidity that statistic mixed-state arrives is lower than the first reference
It is worth, higher than the first duration of the second reference value, first reference value is lower than the target humidity value, second reference
Value is lower than the first reference value；
If the first duration reaches the first scheduled duration, it is out of service to control the compressor, controls the blower
According to current rotating speed continuous service.
Further, after the running frequency that the frequency conversion dehumidifier inner compressor is adjusted according to the frequency adjustment,
The method also includes:
When the second environment humidity is lower than the second reference value, the ambient humidity that statistic mixed-state arrives is lower than the second reference value
The second duration；
If second duration reaches the second scheduled duration, it is out of service to control the compressor, controls institute
Blower is stated according to current rotating speed continuous service, second scheduled duration is less than first scheduled duration.
Further, the method also includes:
When the running frequency for detecting compressor rises, control instructions lamp is bright；
When the running frequency for detecting compressor declines, control instructions lamp goes out.
The present invention also provides a kind of control device of frequency conversion dehumidifier, the control device includes:
Memory and processor；
At least one program instruction is stored in the memory；
The processor, by loading and executing at least one program instruction to realize that any of the above-described frequency conversion removes
The control method of wet machine.
The beneficial effects of the present invention are: the control method and device of frequency conversion dehumidifier provided by the invention, using fuzzy calculation
The principle of method adjusts the running frequency of compressor according to the variation of psychrometric difference change rate in time, when psychrometric difference and psychrometric difference change
Rate is bigger, and the running frequency of compressor rises, and improves the running frequency of compressor；When psychrometric difference and psychrometric difference change rate are smaller,
The running frequency of compressor declines, and reaches setting humidity with optimum frequency.After ambient humidity reaches setting humidity, compression is reduced
The running frequency of machine is to achieve the purpose that stable environment humidity.The running speed of blower determines phase according to the running frequency of compressor
Corresponding revolving speed, make frequency conversion dehumidifier in any environment all with most efficiently in the state of run.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of flow chart of the control method for frequency conversion dehumidifier that first embodiment of the invention provides；
Fig. 2 is a kind of flow chart of the control method for frequency conversion dehumidifier that second embodiment of the invention provides；
Fig. 3 is that ambient humidity provided by the invention is reduced to frequency conversion dehumidifier control compressor operation frequency after target humidity value
The flow chart of rate.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
Referring to Fig. 1, a kind of control method for frequency conversion dehumidifier that first embodiment of the invention provides, specifically includes following
Step:
Step S101: first environment humidity and second environment humidity are obtained.
Wherein, first environment humidity, second environment humidity are detection time away from current two nearest ambient humidities, first
The corresponding detection time of ambient humidity detection time corresponding earlier than second environment humidity.
Step S102: the difference for obtaining first environment humidity and target humidity value obtains the first psychrometric difference, obtains the second ring
The difference of border humidity and target humidity value obtains the second psychrometric difference.
Step S103: the difference for obtaining the second psychrometric difference and the first psychrometric difference obtains psychrometric difference change rate.
Step S104: the frequency adjustment of frequency conversion dehumidifier, predetermined formula are calculated using predetermined formula are as follows: Δ F (n)=
[Aj × (Ke × E (n))+(1-Aj) × (Kec × EC (n))] × Ku,
Wherein, Δ F (n) is frequency adjustment, and Aj is predetermined ratio parameter, and Ku frequency regulation coefficient, Ke is the first quantization
The factor, Kec are the second quantizing factor, and E (n) is the first psychrometric difference, and EC (n) is psychrometric difference change rate.
Step S105: the running frequency of frequency conversion dehumidifier inner compressor is adjusted according to frequency adjustment；
When the running frequency for detecting compressor rises, control instructions lamp is bright；
When the running frequency for detecting compressor declines, control instructions lamp goes out.
In conclusion the method that first embodiment of the invention provides, wet by obtaining first environment humidity and second environment
Degree；The difference for obtaining first environment humidity and target humidity value obtains the first psychrometric difference, obtains second environment humidity and target is wet
The difference of angle value obtains the second psychrometric difference；The difference for obtaining the second psychrometric difference and the first psychrometric difference obtains psychrometric difference change rate；Benefit
The frequency adjustment of frequency conversion dehumidifier is calculated with predetermined formula；The fortune of frequency conversion dehumidifier inner compressor is adjusted according to frequency adjustment
Line frequency；It solves the problems, such as that traditional frequency conversion dehumidifier environmental suitability is poor, has achieved the effect that improve dehumidification efficiency.
Existing frequency conversion dehumidifier sets multiple optimum frequencies just for several different ambient conditions, triggers dehumidifier
Running frequency switched in above-mentioned multiple optimum frequencies；And the present embodiment can change adjustment pressure in time according to ambient humidity
The raising and lowering of contracting machine running frequency.
Referring to Fig. 2, a kind of control method for frequency conversion dehumidifier that second embodiment of the invention provides, specifically includes following
Step:
Step S201: it is periodically detected ambient humidity；
After the booting of frequency conversion dehumidifier, ambient humidity can be periodically detected；Wherein, detection cycle can be set by developer
It is fixed, it also can be customized by users, such as developer can set detection cycle as 1 minute, 2 minutes.
Step S202: the difference for calculating the ambient humidity and target humidity value being most recently detected obtains third psychrometric difference；
Wherein, target humidity value can be set by developer, also can be customized by users；
Optionally, before executing step S202, target humidity value can be also obtained, target humidity value can be direct by user
Specific value is set, for example, target humidity value may be set to 60%RH.Optionally, display screen can show wet for filling in target
The input frame of angle value；User can operation button input humidity value in the input frame；Frequency conversion dehumidifier can obtain in the input frame
Humidity value as target humidity value；
Optionally, the specific implementation for obtaining target humidity value can be with are as follows: multiple operating modes are provided in frequency conversion dehumidifier,
Operating mode said here includes at least one of clothes-drying mode, purification pattern, comfort mode, and each operating mode is corresponding
One humidity value；Frequency conversion dehumidifier can obtain current operating mode, and the corresponding humidity value of the operating mode is determined as target
Humidity value.
Step S203: if third psychrometric difference and the ratio of target humidity value reach the first predetermined ratio, start frequency conversion
Compressor in dehumidifier, and execute step S204 to step S208.
Wherein, the first predetermined ratio can be set by developer, can also be customized by the user, such as the first predetermined ratio
Example can be set as 5%.
Step S204: first environment humidity and second environment humidity are obtained；
First environment humidity, second environment humidity are detection time away from current two nearest ambient humidities, first environment
The corresponding detection time of humidity detection time corresponding earlier than second environment humidity；
Wherein, it is to come for 1 minute for example, current time is 8:01 with detection cycle, is detected respectively in 8:00 and 8:01
Environmental wet angle value；Will test the time is the humidity value of 8:00 as first environment humidity value, and will test the time is the wet of 8:01
Angle value is as second environment humidity value.
Step S205: the difference for obtaining first environment humidity and target humidity value obtains the first psychrometric difference, obtains the second ring
The difference of border humidity and target humidity value obtains the second psychrometric difference；
Step S206: the difference for obtaining the second psychrometric difference and the first psychrometric difference obtains psychrometric difference change rate；
Step S207: the frequency adjustment of frequency conversion dehumidifier, predetermined formula are calculated using predetermined formula are as follows: Δ F (n)=
[Aj × (Ke × E (n))+(1-Aj) × (Kec × EC (n))] × Ku,
Wherein, Δ F (n) is frequency adjustment, and Aj is predetermined ratio parameter, and Ku frequency regulation coefficient, Ke is the first quantization
The factor, Kec are the second quantizing factor, and E (n) is the first psychrometric difference, and EC (n) is psychrometric difference change rate, in the formula, by E (n) with
Ke multiplication is blurred psychrometric difference, and EC (n) is multiplied with Kec and is blurred to psychrometric difference change rate.
Step S208: the running frequency of frequency conversion dehumidifier inner compressor is adjusted according to frequency adjustment；
The specific implementation of this step can be with are as follows: calculates frequency adjustment and the current running frequency summation of compressor, obtains
The target operating frequency of compressor；Compressor is controlled to run according to the target operating frequency.
Optionally, after step S208, rotating speed of target corresponding with target operating frequency is obtained；Blower is controlled according to mesh
Mark rotational speed.Multiple frequency bands, the corresponding rotation speed of fan of each frequency band are previously stored in dehumidifier；In practical realization
When, it determines the frequency band where target operating frequency, obtains rotating speed of target of the corresponding rotation speed of fan of the frequency band as blower.
Optionally, when the running frequency for detecting compressor rises, control instructions lamp is bright；When the fortune for detecting compressor
When line frequency declines, control instructions lamp goes out.Optionally, when the running frequency for detecting compressor rises, control instructions lamp is pressed
It is flashed according to first frequency；In the running frequency decline for detecting compressor, control instructions lamp is flashed according to second frequency, and first
Frequency is higher than second frequency.
In actual implementation, frequency conversion dehumidifier is periodically detected ambient humidity, newest detection ambient humidity (that is,
Two ambient humidities) when reaching preset ratio with the difference of target humidity value, step S203 can be performed, to reduce ambient humidity；?
After executing step S203 to step S208, if in the ambient humidity (that is, second environment humidity) and target that are most recently detected
The difference of humidity value exceeds preset range, then repeats and execute step S202 to step S208 execution, until being most recently detected
Ambient humidity (that is, second environment humidity) and target humidity value difference within a preset range when stop, and it is executable such as Fig. 3
Shown in several steps.
Step S211: when the difference of second environment humidity and target humidity value within a preset range when, by frequency conversion dehumidifier
The running frequency of inner compressor is reduced to predeterminated frequency, and control blower to run according to desired speed；
Wherein, preset range can be set by developer, can also be customized by the user, such as preset range can be set
It is set to -1%RH~1%RH range；Predeterminated frequency usually has developer's setting.
Step S212: when second environment humidity is lower than the first reference value, the ambient humidity that statistic mixed-state arrives is lower than first
Reference value and the first duration for being higher than the second reference value, the first reference value are lower than target humidity value, and the second reference value is lower than
First reference value；
Wherein, the first reference value, the second reference value and the first scheduled duration can be set by developer, can also be by
User is customized, such as the first reference value can be set as the 97%, second reference value can be set as 95% and first predetermined
Duration can be set as half an hour.
Step S213: if the first duration reaches the first scheduled duration, control compressor is out of service, controls blower
According to current rotating speed continuous service.
Wherein, when second environment humidity is lower than the 97% of target humidity value and is higher than the 95% of target humidity value, timing
Device starts timing；In 95% of second environment humidity lower than target humidity value or 97% higher than target humidity value, timer
Timing is reset；When reaching half an hour when timer, control compressor is out of service, and control blower continues according to current rotating speed
Operation, timer automatically reset clearing.
Step S214: when second environment humidity is lower than the second reference value, the ambient humidity that statistic mixed-state arrives is lower than second
Second duration of reference value；
Wherein, the second scheduled duration can be set by developer, can also have user customized, such as the second pre- timing
Length can be set as 3 minutes.
Step S215: if the second duration reaches the second scheduled duration, it is out of service to control compressor, controls wind
Machine is according to current rotating speed continuous service, and the second scheduled duration is less than the first scheduled duration.
Wherein, when second environment humidity is lower than the 95% of target humidity value, timer starts timing；It is wet in second environment
When degree is higher than the 95% of target humidity value, when timer, is reset；When reaching 3 minutes when timer, control compressor stops
It only runs, controls blower according to current rotating speed continuous service, timer automatically resets clearing.
The frequency conversion dehumidifier further includes memory and processor, and at least one program instruction is stored in memory；Place
Device is managed, the control method of above-mentioned frequency conversion dehumidifier is realized by loading and executing at least one program instruction.
The embodiment of the invention also provides a kind of control device of frequency conversion dehumidifier, the control device include memory and
Processor is stored at least one program instruction in memory；Processor, by load and execute at least one program instruction with
Realize the control method of above-mentioned frequency conversion dehumidifier.
The control method and device of frequency conversion dehumidifier provided by the invention, using the principle of fuzzy algorithmic approach, according to psychrometric difference
The running frequency of the variation of change rate adjustment compressor in time, when psychrometric difference and psychrometric difference change rate are bigger, the operation of compressor
Frequency rises, and improves the running frequency of compressor；When psychrometric difference and psychrometric difference change rate are smaller, under the running frequency of compressor
Drop, reaches setting humidity with optimum frequency.After ambient humidity reaches setting humidity, the running frequency of compressor is reduced to reach
The purpose of stable environment humidity.The running speed of blower determines corresponding revolving speed according to the running frequency of compressor, makes frequency conversion
Dehumidifier in any environment all with most efficiently in the state of run.
Optionally, it is provided with water storage box in frequency conversion dehumidifier, is provided with liquid level detection device in water storage box, is examined according to liquid level
It surveys device and determines the moisture storage capacity in water storage box；When moisture storage capacity in water storage box is higher than alarm threshold value, shows warning message, mentioned
Show that user empties water storage box.Wherein, alarm threshold value can be arranged by developer according to the capacity of water storage box, such as water storage box
The difference of capacity and alarm threshold value can be 100 milliliters, alternatively, the ratio of the capacity of alarm threshold value and water storage box is 0.8.
Optionally, according to the calculation of capacity water storage box of moisture storage capacity, water storage box in water storage box can amount of makeup water；According to
Two ambient humidities, compressor running frequency determine the water storage speed of water storage in water storage box；Calculating can amount of makeup water and water storage speed
The ratio of degree obtains the remaining dehumidifying time；The remaining dehumidifying time is shown, to prompt user to empty within the residue dehumidifying time
Water storage box.
Wherein, according to the calculation of capacity water storage box of moisture storage capacity, water storage box in water storage box can amount of makeup water specific reality
It now can be with are as follows: the difference for calculating the moisture storage capacity in the capacity and water storage box of water storage box, obtain water storage box can amount of makeup water.
Optionally, determine that the realization of water storage speed in water storage box can according to second environment humidity, the running frequency of compressor
With are as follows: it obtains and second environment humidity water storage speed corresponding with the running frequency of compressor, is stored in frequency conversion dehumidifier
Corresponding relationship between water storage speed and second environment humidity, the running frequency of compressor, the corresponding relationship can be experiment people
Member determines by test of many times.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of control method of frequency conversion dehumidifier, it is characterised in that: the following steps are included:
First environment humidity and second environment humidity are obtained, when the first environment humidity, the second environment humidity are detection
The current two nearest ambient humidities of spacing, the corresponding detection time of the first environment humidity is earlier than the second environment humidity
Corresponding detection time；
The difference for obtaining the first environment humidity and target humidity value obtains the first psychrometric difference, obtains the second environment humidity
The second psychrometric difference is obtained with the difference of the target humidity value, and obtains second psychrometric difference and first psychrometric difference
Difference obtains psychrometric difference change rate；
The frequency adjustment of frequency conversion dehumidifier, the predetermined formula are as follows: Δ F (n)=[Aj × (Ke × E are calculated using predetermined formula
(n))+(1-Aj) × (Kec × EC (n))] × Ku, the Δ F (n) is frequency adjustment, and the Aj is predetermined ratio parameter, institute
State Ku frequency regulation coefficient, the Ke is the first quantizing factor, and the Kec is the second quantizing factor, and the E (n) is described the
One psychrometric difference, the EC (n) are the psychrometric difference change rate；
The running frequency of the frequency conversion dehumidifier inner compressor is adjusted according to the frequency adjustment.
2. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: obtain the first environment humidity and
Before the second environment humidity, the method also includes:
It is periodically detected ambient humidity；
The difference for calculating the ambient humidity and the target humidity value that are most recently detected obtains third psychrometric difference；
If the third psychrometric difference and the ratio of the target humidity value reach the first predetermined ratio, starts the frequency conversion and remove
Compressor in wet machine, and execute the step of obtaining the first environment humidity and the second environment humidity.
3. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: be provided in the frequency conversion dehumidifier
Water storage box is provided with liquid level detection device in the water storage box, the method also includes:
The moisture storage capacity in water storage box is determined according to the liquid level sensor；
When moisture storage capacity in the water storage box is higher than alarm threshold value, warning message is shown.
4. the control method of frequency conversion dehumidifier as claimed in claim 3, it is characterised in that: the moisture storage capacity in the water storage box is high
After alarm threshold value, the method also includes:
According to water storage box described in the calculation of capacity of moisture storage capacity, the water storage box in the water storage box can amount of makeup water；
The water storage speed of water storage in the water storage box is determined according to the second environment humidity, the running frequency of the compressor；
Described in calculating can the ratio of amount of makeup water and the water storage speed obtain the remaining dehumidifying time；
Show the remaining dehumidifying time.
5. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: calculated and become using the predetermined formula
After the frequency adjustment of frequency dehumidifier, the method also includes:
The frequency adjustment and the current running frequency summation of the compressor are calculated, the object run of the compressor is obtained
Frequency；
Obtain rotating speed of target corresponding with the target operating frequency；
The blower is controlled to rotate according to the rotating speed of target.
6. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: described calculated using predetermined formula is become
After the frequency adjustment of frequency dehumidifier, the method also includes:
When the difference of the second environment humidity and target humidity value within a preset range when, will be compressed in the frequency conversion dehumidifier
The running frequency of machine is reduced to predeterminated frequency, and control blower to run according to desired speed.
7. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: adjusted according to the frequency adjustment
After the running frequency of the frequency conversion dehumidifier inner compressor, the method also includes:
When the second environment humidity is lower than the first reference value, the ambient humidity that statistic mixed-state arrives is lower than the first reference value, height
In the first duration of the second reference value, first reference value is lower than the target humidity value, and second reference value is low
In the first reference value；
If the first duration reaches the first scheduled duration, it is out of service to control the compressor, control the blower according to
Current rotating speed continuous service.
8. the control method of frequency conversion dehumidifier as claimed in claim 7, it is characterised in that: adjusted according to the frequency adjustment
After the running frequency of the frequency conversion dehumidifier inner compressor, the method also includes:
When the second environment humidity is lower than the second reference value, the of ambient humidity that statistic mixed-state arrives lower than the second reference value
Two durations；
If second duration reaches the second scheduled duration, it is out of service to control the compressor, controls the wind
Machine is less than first scheduled duration according to current rotating speed continuous service, second scheduled duration.
9. the control method of frequency conversion dehumidifier as described in claim 1, it is characterised in that: the method also includes:
When the running frequency for detecting compressor rises, control instructions lamp is bright；
When the running frequency for detecting compressor declines, control instructions lamp goes out.
10. a kind of control device of frequency conversion dehumidifier, it is characterised in that: the control device includes:
Memory and processor；
At least one program instruction is stored in the memory；
The processor is realized any described in claim 1 to 9 by loading and executing at least one program instruction
The control method of frequency conversion dehumidifier.
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| CN113685961A (en) * | 2021-08-12 | 2021-11-23 | 南京天加环境科技有限公司 | Control method for transitional season refrigeration energy conservation of constant-temperature and constant-humidity air conditioning unit |
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| TWI761835B (en) * | 2020-05-15 | 2022-04-21 | 東元電機股份有限公司 | Smart dehumidifier |
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