CN106123474B - Method and device for controlling humidity in a refrigerated cabinet - Google Patents
Method and device for controlling humidity in a refrigerated cabinet Download PDFInfo
- Publication number
- CN106123474B CN106123474B CN201610478682.6A CN201610478682A CN106123474B CN 106123474 B CN106123474 B CN 106123474B CN 201610478682 A CN201610478682 A CN 201610478682A CN 106123474 B CN106123474 B CN 106123474B
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- humidity
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005057 refrigeration Methods 0.000 claims abstract description 75
- 238000007791 dehumidification Methods 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims description 9
- 230000014509 gene expression Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000009452 underexpressoin Effects 0.000 description 5
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
Classifications
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a method and a device for controlling the humidity in a refrigerated cabinet, wherein the method comprises the following steps: controlling a compressor of the refrigerated cabinet to run according to the refrigeration frequency and entering a refrigeration mode according to the temperature in the refrigerated cabinet and the set temperature; in the refrigeration mode, if the humidity in the cabinet is judged to be lower than a first preset value, the operating frequency of the compressor is reduced within the operating frequency range of the compressor, and the frequency-reduction humidity-control mode is entered to improve the humidity in the cabinet; and when the compressor does not enter the frequency reduction and humidity control mode, if the humidity in the cabinet is judged to be higher than the second preset value, the operating frequency of the compressor is increased within the operating frequency range of the compressor, and the frequency increase and dehumidification mode is entered to reduce the humidity in the cabinet. According to the invention, the high-frequency dehumidification and the low-frequency humidity control are realized by controlling the frequency operation range of the variable frequency compressor, the fluctuation of the relative humidity in the refrigerated cabinet within a certain range is ensured, the humidity control is relatively accurate, and no additional device is required.
Description
Technical field
The present invention relates to refrigerator Humidity Control fields, in particular to wet in a kind of cabinet for controlling refrigerator
The method and device of degree.
Background technique
For existing refrigerator since evaporating temperature is lower, air condensation in cabinet causes cabinet humidity lower, generallys use following
Mode improves cabinet humidity:
(1) increase humidifier；Or
(2) condensate draining is designed, and increases fan or heater, evaporates moisture in sink, so as to improve cabinet humidity.
But the above method needs to increase additional device, occupied space, and humid control is inaccurate.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of cabinet humidity for controlling refrigerator, to solve in the prior art
The method for improving cabinet humidity needs additional increase device, occupied space, and the problem that humid control is inaccurate.
To achieve the above object, the embodiment of the invention provides a kind of methods of cabinet humidity for controlling refrigerator, comprising:
According to the in-cabinet temperature and set temperature of refrigerator, the compressor of the refrigerator is controlled according to refrigeration frequency operation, into system
Cold mode；In cooling mode, if it is judged that cabinet humidity is lower than the first preset value, in the running frequency model of the compressor
The interior running frequency for reducing the compressor is enclosed, into frequency reducing control wet model, to improve cabinet humidity；When the compressor does not have
When into frequency reducing control wet model, if it is judged that cabinet humidity is higher than the second preset value, in the running frequency model of the compressor
The interior running frequency for improving the compressor is enclosed, into raising frequency dehumidification mode, to reduce cabinet humidity.
Preferably, controlling the compressor of the refrigerator according to system according to the in-cabinet temperature and set temperature of refrigerator
Cold frequency operation, into refrigeration mode, comprising: judge whether the in-cabinet temperature and the set temperature meet T1<TIn cabinet+TIt mends-
TIf；If meeting T1<TIn cabinet+TIt mends-TIf, start the compressor, control the compressor according to refrigeration frequency operation, into system
Cold mode；If being unsatisfactory for T1<TIn cabinet+TIt mends-TIf, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf
<T2；If meeting TIn cabinet+TIt mends-TIf<T2, control the compressor and exit refrigeration mode, and close the compressor；If discontented
Sufficient TIn cabinet+TIt mends-TIf<T2, control the compressor and run according to the refrigeration frequency；Wherein, T1Allow under expression refrigeration mode
The temperature upper deviation；TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature sensing
The deviation of actual temperature in device detected value and refrigerator；TIfIndicate the set temperature of refrigerator；T2It indicates to allow under refrigeration mode
Temperature lower deviation.
Preferably, in cooling mode, if it is judged that cabinet humidity is lower than the first preset value, in the compressor
The running frequency that the compressor is reduced within the scope of running frequency, into frequency reducing control wet model, comprising: in the refrigeration mode
Under, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf<T3；If being unsatisfactory for TIn cabinet+TIt mends-TIf<T3,
It controls the compressor and does not enter frequency reducing control wet model；If meeting TIn cabinet+TIt mends-TIf<T3, judge whether cabinet humidity meets
RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1；If meeting RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or
RHIn cabinet+RHOffset<RHSetting-ΔP1, the running frequency of the compressor is reduced within the scope of the running frequency of the compressor, into
Enter frequency reducing control wet model；Wherein, TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to repair
The deviation of actual temperature in positive temperature sensor detected value and refrigerator；TIfIndicate the set temperature of refrigerator；T3Indicate frequency reducing
The temperature upper deviation allowed under control wet model；RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffset
Indicate the deviation for being used to correct practical relative humidity in humidity sensor detected value and refrigerator；RHLower limit valueIt indicates to want in refrigerator
The minimum value of the relative humidity of holding；RHSettingIndicate the setting humidity of refrigerator；ΔP1Allow under expression frequency reducing control wet model
Humidity negative sense deviation.
Preferably, judging whether cabinet humidity meets RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<
RHSetting-ΔP1Later, the method also includes: if being unsatisfactory for RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-
ΔP1, judge whether cabinet humidity meets RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；If met
RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2, control the compressor and exit frequency reducing control wet model；Such as
Fruit is unsatisfactory for RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2And the compressor is in the wet mould of frequency reducing control
Formula then controls the compressor and keeps current frequency operation；Wherein, Δ P2Indicate that the humidity allowed under frequency reducing control wet model is positive
Deviation.
Preferably, if it is judged that cabinet humidity is higher than the second preset value, in the running frequency range of the compressor
The interior running frequency for improving the compressor, into raising frequency dehumidification mode, comprising: judge whether cabinet humidity meets RHIn cabinet+
RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3；If meeting RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+
RHOffset>RHSetting+ΔP3, then the running frequency of the compressor is improved within the scope of the running frequency of the compressor, into liter
Frequency dehumidification mode；If being unsatisfactory for RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3, control the compression
Machine keeps current frequency operation；Wherein, RHIn cabinetRelative humidity in the cabinet that humidity sensor in expression refrigerator detects；
RHOffsetIndicate the deviation for being used to correct practical relative humidity in humidity sensor detected value and refrigerator；RHUpper limit valueIndicate refrigerator
The maximum value of the interior relative humidity to be kept；RHSettingIndicate the setting humidity of refrigerator；ΔP3It indicates to permit under raising frequency dehumidification mode
Perhaps humidity forward bias difference.
Preferably, after entering raising frequency dehumidification mode, the method also includes: judge whether cabinet humidity meets
RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4；If meeting RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or
RHIn cabinet+RHOffset<RHSetting-ΔP4, control the compressor and exit raising frequency dehumidification mode, according to refrigeration frequency operation；If discontented
Sufficient RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4, control the compressor and keep current frequency operation；
Wherein, Δ P4Indicate the humidity negative sense deviation allowed under raising frequency dehumidification mode.
According to another aspect of the present invention, a kind of device of cabinet humidity for controlling refrigerator is provided, comprising: refrigeration mould
Formula control unit controls the compressor of the refrigerator according to refrigeration for the in-cabinet temperature and set temperature according to refrigerator
Frequency operation, into refrigeration mode；Frequency reducing control wet model control unit is used in cooling mode, if it is determined that it is interior wet to offer for sale
Degree is lower than the first preset value, the running frequency of the compressor is reduced within the scope of the running frequency of the compressor, into drop
Frequency control wet model, to improve cabinet humidity；Raising frequency dehumidification mode control unit, for not entering into frequency reducing control when the compressor
When wet model, if it is judged that cabinet humidity is higher than the second preset value, institute is improved within the scope of the running frequency of the compressor
The running frequency for stating compressor, into raising frequency dehumidification mode, to reduce cabinet humidity.
Preferably, the refrigeration mode control unit includes: first judgment module, for judge the in-cabinet temperature and
Whether the set temperature meets T1<TIn cabinet+TIt mends-TIf；First control module, for meeting T1<TIn cabinet+TIt mends-TIfIn the case where,
Start the compressor, controls the compressor according to refrigeration frequency operation, into refrigeration mode；Second judgment module, is used for
It is being unsatisfactory for T1<TIn cabinet+TIt mends-TIfIn the case where, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf<
T2；Second control module, for meeting TIn cabinet+TIt mends-TIf<T2In the case where, it controls the compressor and exits refrigeration mode, and close
Close the compressor；And it is being unsatisfactory for TIn cabinet+TIt mends-TIf<T2In the case where, the compressor is controlled according to the refrigeration frequency
Operation；Wherein, T1Indicate the temperature upper deviation allowed under refrigeration mode；TIn cabinetIndicate that the temperature sensor in refrigerator detects
In-cabinet temperature；TIt mendsIndicate the deviation for being used to correct actual temperature in temperature sensor detected value and refrigerator；TIfIndicate refrigeration
The set temperature of cabinet；T2Indicate the temperature lower deviation allowed under refrigeration mode.
Preferably, the frequency reducing control wet model control unit includes: third judgment module, in the refrigeration mode
Under, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf<T3；Third control module, for discontented
Sufficient TIn cabinet+TIt mends-TIf<T3In the case where, it controls the compressor and does not enter frequency reducing control wet model；4th judgment module, for full
Sufficient TIn cabinet+TIt mends-TIf<T3In the case where, judge whether cabinet humidity meets RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<
RHSetting-ΔP1；4th control module, for meeting RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1's
In the case of, the running frequency of the compressor is reduced within the scope of the running frequency of the compressor, into frequency reducing control wet model；
Wherein, TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature sensor detection
The deviation of actual temperature in value and refrigerator；TIfIndicate the set temperature of refrigerator；T3Allow under expression frequency reducing control wet model
The temperature upper deviation；RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffsetIt indicates to be used to correct humidity
The deviation of practical relative humidity in sensor detected value and refrigerator；RHLower limit valueIndicate the relative humidity to be kept in refrigerator
Minimum value；RHSettingIndicate the setting humidity of refrigerator；ΔP1Indicate the humidity negative sense deviation allowed under frequency reducing control wet model.
Preferably, the frequency reducing control wet model control unit further include: the 5th judgment module, for being unsatisfactory for RHIn cabinet
+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1In the case where, judge whether cabinet humidity meets RHIn cabinet+RHOffset
>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；5th control module, for meeting RHIn cabinet+RHOffset>RHLower limit value+ΔP2
Or RHIn cabinet+RHOffset>RHSetting+ΔP2In the case where, it controls the compressor and exits frequency reducing control wet model；And it is being unsatisfactory for
RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2And the compressor is in the case where frequency reducing control wet model
Under, it controls the compressor and keeps current frequency operation；Wherein, Δ P2Indicate the humidity forward bias allowed under frequency reducing control wet model
Difference.
Preferably, the raising frequency dehumidification mode control unit includes: the 6th judgment module, for judging that cabinet humidity is
It is no to meet RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3；6th control module, for meeting RHIn cabinet+
RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3In the case where, it is mentioned within the scope of the running frequency of the compressor
The running frequency of the high compressor, into raising frequency dehumidification mode；And it is being unsatisfactory for RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or
RHIn cabinet+RHOffset>RHSetting+ΔP3In the case where, it controls the compressor and keeps current frequency operation；Wherein, RHIn cabinetIndicate refrigeration
Relative humidity in the cabinet that humidity sensor in cabinet detects；RHOffsetIt indicates to be used to correct humidity sensor detected value and refrigeration
The deviation of practical relative humidity in cabinet；RHUpper limit valueIndicate the maximum value of the relative humidity to be kept in refrigerator；RHSettingIndicate refrigeration
The setting humidity of cabinet；ΔP3Indicate the humidity forward bias difference allowed under raising frequency dehumidification mode.
Preferably, the raising frequency dehumidification mode control unit further include: the 7th judgment module, for judging cabinet humidity
Whether RH is metIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4；7th control module, for meeting
RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4In the case where, it controls the compressor and exits raising frequency dehumidifying
Mode, according to refrigeration frequency operation；And it is being unsatisfactory for RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4
In the case where, it controls the compressor and keeps current frequency operation；Wherein, Δ P4Indicate the humidity allowed under raising frequency dehumidification mode
Negative sense deviation.
It applies the technical scheme of the present invention, by controlling the frequency ranges of operation of frequency-changeable compressor, realizes that high frequency dehumidifies, is low
Frequency is controlled wet, guarantees that relative humidity fluctuates in a certain range in refrigerator, more accurate to the control of humidity, and increases without additional
Add device.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted a limitation of the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method for the cabinet humidity of the control refrigerator of the embodiment of the present invention；
Fig. 2 is the detail flowchart of the method for the control refrigerator cabinet humidity of the embodiment of the present invention；
Fig. 3 is the structural block diagram of the device of the cabinet humidity of the control refrigerator of the embodiment of the present invention.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
The embodiment of the invention provides a kind of method of cabinet humidity for controlling refrigerator, this method is also applied for wine cabinet cabinet
The control of interior humidity, this method require refrigerator or wine cabinet to use frequency-changeable compressor system.When compressor high frequency is run,
Evaporating temperature compares lower, and the condensation water generated in cabinet can more, in cabinet relative humidity decline rapidly, and when compressor low frequency
When operation, evaporating temperature is relatively high, and the condensation water generated in cabinet is relatively fewer, and relative humidity decline is slow in cabinet.According to this
A principle can promote compressor operating frequency to reduce relative humidity in cabinet, similarly, when in cabinet when cabinet humidity is higher
When humidity is relatively low, compressor operating frequency can be reduced to improve relative humidity in cabinet.
Fig. 1 is the flow chart of the method for the cabinet humidity of the control refrigerator of the embodiment of the present invention, as shown in Figure 1, the party
Method the following steps are included:
Step S101 controls the compressor of refrigerator according to refrigeration frequency according to the in-cabinet temperature and set temperature of refrigerator
Rate operation, into refrigeration mode.Compressor operating frequency is controlled according to refrigeration in-cabinet temperature, set temperature and environment temperature,
It can be described as general frequency control.
Step S102, in cooling mode, if it is judged that cabinet humidity is lower than the first preset value, in the operation of compressor
The running frequency that compressor is reduced in frequency range, into frequency reducing control wet model, to improve cabinet humidity.
Step S103, when compressor does not enter into frequency reducing control wet model, if it is judged that cabinet humidity is higher than second in advance
If value improves the running frequency of compressor, into raising frequency dehumidification mode, to reduce in cabinet within the scope of the running frequency of compressor
Humidity.
Above-described embodiment is realized that high frequency dehumidifying, low frequency control are wet, is guaranteed by the frequency ranges of operation of control frequency-changeable compressor
Relative humidity fluctuates in a certain range in refrigerator, more accurate to the control of humidity, and increases device without additional.
Each step is described in detail below with reference to Fig. 2.
In one embodiment, step S101 (i.e. the control of refrigeration mode) may include:
Step A1, judges whether in-cabinet temperature and set temperature meet condition 1:
T1<TIn cabinet+TIt mends-TIf；
Wherein, T1Indicate the temperature upper deviation allowed under refrigeration mode；TIn cabinetIndicate the temperature sensor detection in refrigerator
The in-cabinet temperature arrived；TIt mendsIt indicates the deviation for being used to correct actual temperature in temperature sensor detected value and refrigerator, can be positive value,
It can also be negative value；TIfIndicate the set temperature of refrigerator；
Step A2 starts compressor, control compressor is according to refrigeration frequency operation, into refrigeration mould if meeting condition 1
The control of formula, i.e. compressor frequency is that general frequency controls；
Step A3 judges whether in-cabinet temperature and set temperature meet condition 2 if being unsatisfactory for condition 1:
TIn cabinet+TIt mends-TIf<T2；
Wherein, T2Indicate the temperature lower deviation allowed under refrigeration mode；
Step A4, if meeting condition 2, control compressor exits refrigeration mode, and close compressor；If being unsatisfactory for item
Part 2, control compressor is according to refrigeration frequency operation.
In one embodiment, step S102 (i.e. the control of frequency reducing control wet model) may include:
Step B1 judges whether in-cabinet temperature and set temperature meet condition 3 in cooling mode:
TIn cabinet+TIt mends-TIf<T3；
Wherein, TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature biography
The deviation of actual temperature in sensor detected value and refrigerator can be positive value, can also be negative value；TIfIndicate the setting temperature of refrigerator
Degree；T3Indicate the temperature upper deviation allowed under frequency reducing control wet model；
Step B2, if being unsatisfactory for condition 3, control compressor does not enter frequency reducing control wet model；
Step B3 judges whether cabinet humidity meets condition 4 if meeting condition 3:
RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1；
For the refrigerator of humidity cannot be set, the lower limit value of humidity can be preset in the program of this control humidity
With upper limit value；If refrigerator itself can set humidity, can be judged using the set temperature of refrigerator.
Wherein, RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffsetIt indicates to be used to correct wet
The deviation of practical relative humidity in sensor detected value and refrigerator is spent, can be positive value, can also be negative value；RHLower limit valueIndicate refrigeration
The minimum value for the relative humidity to be kept in cabinet；RHSettingIndicate the setting humidity of refrigerator；ΔP1It indicates under frequency reducing control wet model
The humidity negative sense deviation of permission；First preset value can be understood as RHLower limit value-ΔP1-RHOffsetOr RHSetting-ΔP1-RHOffset。
Step B4 reduces the running frequency of compressor if meeting condition 4 within the scope of the running frequency of compressor, into
Enter frequency reducing control wet model；
Step B5 judges whether cabinet humidity meets condition 5 if being unsatisfactory for condition 4:
RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；
Wherein, Δ P2Indicate the humidity forward bias difference allowed under frequency reducing control wet model；
Step B6, if meeting condition 5, control compressor exits frequency reducing control wet model；
Step B7 controls compressor and keeps current frequency if being unsatisfactory for condition 5 and compressor is in frequency reducing control wet model
Rate operation.
In one embodiment, step S103 (i.e. the control of raising frequency dehumidification mode) may include:
Step C1, judges whether cabinet humidity meets condition 6:
RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3；
Wherein, RHIn cabinetRelative humidity in the cabinet that humidity sensor in expression refrigerator detects；RHOffsetIt indicates to be used to repair
The deviation of practical relative humidity in positive humidity sensor detected value and refrigerator, can be positive value, can also be negative value；RHUpper limit valueIt indicates
The maximum value for the relative humidity to be kept in refrigerator；RHSettingIndicate the setting humidity of refrigerator；ΔP3Indicate raising frequency dehumidifying mould
The humidity forward bias difference allowed under formula；Second preset value can be understood as RHUpper limit value+ΔP3-RHOffsetOr RHSetting+ΔP3-
RHOffset。
Step C2 improves the running frequency of compressor if meeting condition 6 within the scope of the running frequency of compressor,
Into raising frequency dehumidification mode；
Step C3, if being unsatisfactory for condition 6, control compressor keeps current frequency operation.
After entering raising frequency dehumidification mode, the above method can also include:
Step C4, judges whether cabinet humidity meets condition 7:
RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4；
Wherein, Δ P4Indicate the humidity negative sense deviation allowed under raising frequency dehumidification mode；
Step C5, if meeting condition 7, control compressor exits raising frequency dehumidification mode, according to refrigeration frequency operation；
Step C6, if being unsatisfactory for condition 7, control compressor keeps current frequency operation.
Based on the same inventive concept, the embodiment of the invention also provides it is a kind of control refrigerator cabinet humidity device,
It can be used to implement method described in above-described embodiment.Since the principle that the device solves the problems, such as is similar to the above method, because
The implementation of this device may refer to the implementation of the above method, and overlaps will not be repeated.It is used below, term " unit "
Or the combination of the software and/or hardware of predetermined function may be implemented in " module ".Although system described in following embodiment compared with
It is realized goodly with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
Fig. 3 is the structural block diagram of the device of the cabinet humidity of the control refrigerator of the embodiment of the present invention, as shown in figure 3, should
Device includes: refrigeration mode control unit 10, frequency reducing control wet model control unit 20 and raising frequency dehumidification mode control unit 30.
Refrigeration mode control unit 10 controls the pressure of refrigerator for the in-cabinet temperature and set temperature according to refrigerator
Contracting machine is according to refrigeration frequency operation, into refrigeration mode；
Frequency reducing control wet model control unit 20 is used in cooling mode, if it is judged that cabinet humidity is pre- lower than first
If value reduces the running frequency of compressor, into frequency reducing control wet model, to improve in cabinet within the scope of the running frequency of compressor
Humidity；
Raising frequency dehumidification mode control unit 30, for when compressor does not enter into frequency reducing control wet model, if it is judged that
Cabinet humidity is higher than the second preset value, the running frequency of compressor is improved within the scope of the running frequency of compressor, into raising frequency
Dehumidification mode, to reduce cabinet humidity.
Above-described embodiment is realized that high frequency dehumidifying, low frequency control are wet, is guaranteed by the frequency ranges of operation of control frequency-changeable compressor
Relative humidity fluctuates in a certain range in refrigerator, more accurate to the control of humidity, and increases device without additional.
In one embodiment, refrigeration mode control unit 10 may include: first judgment module, warm in cabinet for judging
Whether degree and set temperature meet T1<TIn cabinet+TIt mends-TIf；First control module, for meeting T1<TIn cabinet+TIt mends-TIfIn the case where,
Start compressor, control compressor is according to refrigeration frequency operation, into refrigeration mode；Second judgment module, for being unsatisfactory for
T1<TIn cabinet+TIt mends-TIfIn the case where, judge whether in-cabinet temperature and set temperature meet TIn cabinet+TIt mends-TIf<T2；Second control module,
For meeting TIn cabinet+TIt mends-TIf<T2In the case where, control compressor exits refrigeration mode, and close compressor；And discontented
Sufficient TIn cabinet+TIt mends-TIf<T2In the case where, control compressor is according to refrigeration frequency operation；Wherein, T1Allow under expression refrigeration mode
The temperature upper deviation；TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature sensing
The deviation of actual temperature in device detected value and refrigerator can be positive value, can also be negative value；TIfIndicate the set temperature of refrigerator；
T2Indicate the temperature lower deviation allowed under refrigeration mode.
In one embodiment, frequency reducing control wet model control unit 20 may include: third judgment module, for freezing
Under mode, judge whether in-cabinet temperature and set temperature meet TIn cabinet+TIt mends-TIf<T3；Third control module, for being unsatisfactory for
TIn cabinet+TIt mends-TIf<T3In the case where, control compressor does not enter frequency reducing control wet model；4th judgment module, for meeting TIn cabinet+
TIt mends-TIf<T3In the case where, judge whether cabinet humidity meets RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-Δ
P1；4th control module, for meeting RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1In the case where,
The running frequency that compressor is reduced within the scope of the running frequency of compressor, into frequency reducing control wet model；Wherein, TIn cabinetIndicate cold
The in-cabinet temperature that temperature sensor in hiding cabinet detects；TIt mendsIt indicates to be used to correct real in temperature sensor detected value and refrigerator
The deviation of border temperature can be positive value, can also be negative value；TIfIndicate the set temperature of refrigerator；T3It indicates under frequency reducing control wet model
The temperature upper deviation of permission；RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffsetIt indicates to be used to repair
The deviation of practical relative humidity in positive humidity sensor detected value and refrigerator, can be positive value, can also be negative value；RHLower limit valueIt indicates
The minimum value for the relative humidity to be kept in refrigerator；RHSettingIndicate the setting humidity of refrigerator；ΔP1Indicate the wet mould of frequency reducing control
The humidity negative sense deviation allowed under formula.
In one embodiment, above-mentioned frequency reducing control wet model control unit 20 can also include: the 5th judgment module, be used for
It is being unsatisfactory for RHIn cabinet+RHOffset<RHLower limit value-ΔP1Or RHIn cabinet+RHOffset<RHSetting-ΔP1In the case where, judge whether cabinet humidity is full
Sufficient RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；5th control module, for meeting RHIn cabinet+
RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2In the case where, control compressor exits frequency reducing control wet model；And
It is being unsatisfactory for RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2And compressor is in frequency reducing control wet model
In the case of, control compressor keeps current frequency operation；Wherein, Δ P2Indicate the humidity forward bias allowed under frequency reducing control wet model
Difference.
In one embodiment, raising frequency dehumidification mode control unit 30 includes: the 6th judgment module, wet in cabinet for judging
Whether degree meets RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3；6th control module, for meeting
RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3In the case where, it is mentioned within the scope of the running frequency of compressor
The running frequency of high compressor, into raising frequency dehumidification mode；And it is being unsatisfactory for RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+
RHOffset>RHSetting+ΔP3In the case where, control compressor keeps current frequency operation；Wherein, RHIn cabinetIndicate wet in refrigerator
Relative humidity in the cabinet that degree sensor detects；RHOffsetIt indicates to be used to correct practical in humidity sensor detected value and refrigerator
The deviation of relative humidity can be positive value, can also be negative value；RHUpper limit valueIndicate the maximum value of the relative humidity to be kept in refrigerator；
RHSettingIndicate the setting humidity of refrigerator；ΔP3Indicate the humidity forward bias difference allowed under raising frequency dehumidification mode.
In one embodiment, above-mentioned raising frequency dehumidification mode control unit 30 can also include: the 7th judgment module, be used for
Judge whether cabinet humidity meets RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4；7th control module,
For meeting RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4In the case where, control compressor exits liter
Frequency dehumidification mode, according to refrigeration frequency operation；And it is being unsatisfactory for RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<
RHSetting-ΔP4In the case where, control compressor keeps current frequency operation；Wherein, Δ P4Allow under expression raising frequency dehumidification mode
Humidity negative sense deviation.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
It certainly, is the preferred embodiment of the present invention above.It should be pointed out that for those skilled in the art
For, without departing from the basic principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of method for the cabinet humidity for controlling refrigerator characterized by comprising
According to the in-cabinet temperature and set temperature of refrigerator, the compressor for controlling the refrigerator is run according to refrigeration frequency, into
Enter refrigeration mode；
In cooling mode, if it is judged that cabinet humidity is lower than the first preset value, in the running frequency range of the compressor
The interior running frequency for reducing the compressor, into frequency reducing control wet model, to improve cabinet humidity；
When the compressor does not enter into frequency reducing control wet model, if it is judged that cabinet humidity is higher than the second preset value, in institute
The running frequency that the compressor is improved within the scope of the running frequency of compressor is stated, into raising frequency dehumidification mode, to reduce in cabinet
Humidity；
In cooling mode, if it is judged that cabinet humidity is lower than the first preset value, in the running frequency range of the compressor
The interior running frequency for reducing the compressor, into frequency reducing control wet model, comprising:
Under the refrigeration mode, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf< T3；
If being unsatisfactory for TIn cabinet+TIt mends-TIf< T3, control the compressor and do not enter frequency reducing control wet model；
If meeting TIn cabinet+TIt mends-TIf< T3, judge whether cabinet humidity meets RHIn cabinet+RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+
RHOffset< RHSetting-ΔP1；
If meeting RHIn cabinet+RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1, in the operation frequency of the compressor
The running frequency that the compressor is reduced within the scope of rate, into frequency reducing control wet model；
Wherein, TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature sensor
The deviation of actual temperature in detected value and refrigerator；TIfIndicate the set temperature of refrigerator；T3It indicates to permit under frequency reducing control wet model
Perhaps the temperature upper deviation；RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffsetIt indicates to be used to correct
The deviation of practical relative humidity in humidity sensor detected value and refrigerator；RHLower limit valueIt indicates to be kept relatively wet in refrigerator
The minimum value of degree；RHSettingIndicate the setting humidity of refrigerator；ΔP1Indicate the humidity negative sense deviation allowed under frequency reducing control wet model
Value.
2. the method according to claim 1, wherein being controlled according to the in-cabinet temperature and set temperature of refrigerator
The compressor of the refrigerator is according to refrigeration frequency operation, into refrigeration mode, comprising:
Judge whether the in-cabinet temperature and the set temperature meet T1< TIn cabinet+TIt mends-TIf；
If meeting T1< TIn cabinet+TIt mends-TIf, start the compressor, control the compressor according to refrigeration frequency operation, into system
Cold mode；
If being unsatisfactory for T1< TIn cabinet+TIt mends-TIf, judge whether the in-cabinet temperature and the set temperature meet TIn cabinet+TIt mends-TIf<
T2；
If meeting TIn cabinet+TIt mends-TIf< T2, control the compressor and exit refrigeration mode, and close the compressor；
If being unsatisfactory for TIn cabinet+TIt mends-TIf< T2, control the compressor and run according to the refrigeration frequency；
Wherein, T1Indicate the temperature upper deviation allowed under refrigeration mode；TIn cabinetIndicate what the temperature sensor in refrigerator detected
In-cabinet temperature；TIt mendsIndicate the deviation for being used to correct actual temperature in temperature sensor detected value and refrigerator；TIfIndicate refrigerator
Set temperature；T2Indicate the temperature lower deviation allowed under refrigeration mode.
3. the method according to claim 1, wherein judging whether cabinet humidity meets RHIn cabinet+RHOffset<
RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1Later, the method also includes:
If being unsatisfactory for RHIn cabinet+RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1, judge whether cabinet humidity is full
Sufficient RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；
If meeting RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2, control the compressor and exit frequency reducing
Control wet model；
If being unsatisfactory for RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2And the compressor is in frequency reducing
Wet model is controlled, then controls the compressor and keeps current frequency operation；
Wherein, Δ P2Indicate the humidity forward bias difference allowed under frequency reducing control wet model.
4. the method according to claim 1, wherein if it is judged that cabinet humidity be higher than the second preset value,
The running frequency that the compressor is improved within the scope of the running frequency of the compressor, into raising frequency dehumidification mode, comprising:
Judge whether cabinet humidity meets RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3；
If meeting RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3, then in the operation frequency of the compressor
The running frequency that the compressor is improved within the scope of rate, into raising frequency dehumidification mode；
If being unsatisfactory for RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3, control the compressor holding and work as
Preceding frequency operation；
Wherein, RHIn cabinetRelative humidity in the cabinet that humidity sensor in expression refrigerator detects；RHOffsetIt indicates to be used to correct wet
Spend the deviation of practical relative humidity in sensor detected value and refrigerator；RHUpper limit valueIndicate the relative humidity to be kept in refrigerator
Maximum value；RHSettingIndicate the setting humidity of refrigerator；ΔP3Indicate the humidity forward bias difference allowed under raising frequency dehumidification mode.
5. according to the method described in claim 4, it is characterized in that, the method is also wrapped after entering raising frequency dehumidification mode
It includes:
Judge whether cabinet humidity meets RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4；
If meeting RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4, control the compressor and exit raising frequency
Dehumidification mode, according to refrigeration frequency operation；
If being unsatisfactory for RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4, control the compressor holding and work as
Preceding frequency operation；
Wherein, Δ P4Indicate the humidity negative sense deviation allowed under raising frequency dehumidification mode.
6. a kind of device for the cabinet humidity for controlling refrigerator characterized by comprising
Refrigeration mode control unit controls the compression of the refrigerator for the in-cabinet temperature and set temperature according to refrigerator
Machine is according to refrigeration frequency operation, into refrigeration mode；
Frequency reducing control wet model control unit is used in cooling mode, if it is judged that cabinet humidity is lower than the first preset value,
The running frequency that the compressor is reduced within the scope of the running frequency of the compressor, into frequency reducing control wet model, to improve cabinet
Interior humidity；
Raising frequency dehumidification mode control unit, for when the compressor does not enter into frequency reducing control wet model, if it is determined that offeing for sale
Interior humidity is higher than the second preset value, and the running frequency of the compressor is improved within the scope of the running frequency of the compressor, into
Enter raising frequency dehumidification mode, to reduce cabinet humidity；
The frequency reducing control wet model control unit includes:
Third judgment module, for judging whether the in-cabinet temperature and the set temperature meet under the refrigeration mode
TIn cabinet+TIt mends-TIf< T3；
Third control module, for being unsatisfactory for TIn cabinet+TIt mends-TIf< T3In the case where, it controls the compressor and does not enter frequency reducing control
Wet model；
4th judgment module, for meeting TIn cabinet+TIt mends-TIf< T3In the case where, judge whether cabinet humidity meets RHIn cabinet+
RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1；
4th control module, for meeting RHIn cabinet+RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1The case where
Under, the running frequency of the compressor is reduced within the scope of the running frequency of the compressor, into frequency reducing control wet model；
Wherein, TIn cabinetIndicate the in-cabinet temperature that the temperature sensor in refrigerator detects；TIt mendsIt indicates to be used to correct temperature sensor
The deviation of actual temperature in detected value and refrigerator；TIfIndicate the set temperature of refrigerator；T3It indicates to permit under frequency reducing control wet model
Perhaps the temperature upper deviation；RHIn cabinetIndicate the relative humidity that the humidity sensor in refrigerator detects；RHOffsetIt indicates to be used to correct
The deviation of practical relative humidity in humidity sensor detected value and refrigerator；RHLower limit valueIt indicates to be kept relatively wet in refrigerator
The minimum value of degree；RHSettingIndicate the setting humidity of refrigerator；ΔP1Indicate the humidity negative sense deviation allowed under frequency reducing control wet model
Value.
7. device according to claim 6, which is characterized in that the refrigeration mode control unit includes:
First judgment module, for judging whether the in-cabinet temperature and the set temperature meet T1< TIn cabinet+TIt mends-TIf；
First control module, for meeting T1< TIn cabinet+TIt mends-TIfIn the case where, start the compressor, controls the compressor
According to refrigeration frequency operation, into refrigeration mode；
Second judgment module, for being unsatisfactory for T1< TIn cabinet+TIt mends-TIfIn the case where, judge the in-cabinet temperature and the setting
Whether temperature meets TIn cabinet+TIt mends-TIf< T2；
Second control module, for meeting TIn cabinet+TIt mends-TIf< T2In the case where, it controls the compressor and exits refrigeration mode, and
Close the compressor；And it is being unsatisfactory for TIn cabinet+TIt mends-TIf< T2In the case where, the compressor is controlled according to the refrigeration frequency
Rate operation；
Wherein, T1Indicate the temperature upper deviation allowed under refrigeration mode；TIn cabinetIndicate what the temperature sensor in refrigerator detected
In-cabinet temperature；TIt mendsIndicate the deviation for being used to correct actual temperature in temperature sensor detected value and refrigerator；TIfIndicate refrigerator
Set temperature；T2Indicate the temperature lower deviation allowed under refrigeration mode.
8. device according to claim 6, which is characterized in that the frequency reducing control wet model control unit further include:
5th judgment module, for being unsatisfactory for RHIn cabinet+RHOffset< RHLower limit value-ΔP1Or RHIn cabinet+RHOffset< RHSetting-ΔP1Feelings
Under condition, judge whether cabinet humidity meets RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2；
5th control module, for meeting RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+RHOffset>RHSetting+ΔP2The case where
Under, it controls the compressor and exits frequency reducing control wet model；And it is being unsatisfactory for RHIn cabinet+RHOffset>RHLower limit value+ΔP2Or RHIn cabinet+
RHOffset>RHSetting+ΔP2And in the case that the compressor is in frequency reducing control wet model, controls the compressor and keep current frequency
Rate operation；
Wherein, Δ P2Indicate the humidity forward bias difference allowed under frequency reducing control wet model.
9. device according to claim 6, which is characterized in that the raising frequency dehumidification mode control unit includes:
6th judgment module, for judging whether cabinet humidity meets RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>
RHSetting+ΔP3；
6th control module, for meeting RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3The case where
Under, the running frequency of the compressor is improved within the scope of the running frequency of the compressor, into raising frequency dehumidification mode；And
It is being unsatisfactory for RHIn cabinet+RHOffset>RHUpper limit value+ΔP3Or RHIn cabinet+RHOffset>RHSetting+ΔP3In the case where, it controls the compressor and keeps
Current frequency operation；
Wherein, RHIn cabinetRelative humidity in the cabinet that humidity sensor in expression refrigerator detects；RHOffsetIt indicates to be used to correct wet
Spend the deviation of practical relative humidity in sensor detected value and refrigerator；RHUpper limit valueIndicate the relative humidity to be kept in refrigerator
Maximum value；RHSettingIndicate the setting humidity of refrigerator；ΔP3Indicate the humidity forward bias difference allowed under raising frequency dehumidification mode.
10. device according to claim 9, which is characterized in that the raising frequency dehumidification mode control unit further include:
7th judgment module, for judging whether cabinet humidity meets RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<
RHSetting-ΔP4；
7th control module, for meeting RHIn cabinet+RHOffset<RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4The case where
Under, it controls the compressor and exits raising frequency dehumidification mode, according to refrigeration frequency operation；And it is being unsatisfactory for RHIn cabinet+RHOffset<
RHUpper limit value-ΔP4Or RHIn cabinet+RHOffset<RHSetting-ΔP4In the case where, it controls the compressor and keeps current frequency operation；
Wherein, Δ P4Indicate the humidity negative sense deviation allowed under raising frequency dehumidification mode.
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| CN201610478682.6A CN106123474B (en) | 2016-06-23 | 2016-06-23 | Method and device for controlling humidity in a refrigerated cabinet |
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| CN201610478682.6A CN106123474B (en) | 2016-06-23 | 2016-06-23 | Method and device for controlling humidity in a refrigerated cabinet |
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| CN106196876B (en) * | 2016-07-18 | 2018-11-30 | 珠海格力电器股份有限公司 | Control method and control device for humidity in cabinet and cabinet |
| CN108870573B (en) * | 2018-07-16 | 2020-12-08 | 珠海格力电器股份有限公司 | Refrigeration unit dehumidification control method and device, refrigeration unit main board and storage medium |
| CN109085865B (en) * | 2018-08-27 | 2020-09-15 | 珠海格力电器股份有限公司 | Temperature control method and device for equipment, storage medium and control system |
| CN109780809B (en) * | 2018-12-20 | 2020-12-11 | 青岛海尔股份有限公司 | Refrigerator and refrigerator humidity control method |
| CN112762658B (en) * | 2019-10-21 | 2022-08-23 | 青岛海尔电冰箱有限公司 | Method and device for adjusting storage chamber of refrigerator |
| CN111536750B (en) * | 2020-04-24 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN112178859B (en) * | 2020-08-18 | 2021-11-26 | 珠海格力电器股份有限公司 | Intelligent condensation preventing method and split structure of humidifier and humidifier |
| CN115574531A (en) * | 2021-06-21 | 2023-01-06 | 青岛海尔电冰箱有限公司 | Control method of refrigeration and freezing device and refrigeration and freezing device |
| CN115574530B (en) * | 2021-06-21 | 2025-05-13 | 青岛海尔电冰箱有限公司 | Control method of refrigeration and freezing device and refrigeration and freezing device |
| CN113623913A (en) * | 2021-07-16 | 2021-11-09 | 冰山松洋生物科技(大连)有限公司 | Intelligent vaccine inoculation box and use method thereof |
| CN113865200B (en) * | 2021-10-08 | 2022-08-23 | 珠海格力电器股份有限公司 | Freezing and refrigerating equipment and control method and computer readable storage medium thereof |
| CN115127295B (en) * | 2022-07-05 | 2023-07-18 | 珠海格力电器股份有限公司 | Control method of refrigerator, refrigerator and computer readable storage medium |
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