CN108286867A - Improve the control method and refrigerator of refrigerator evaporability - Google Patents

Improve the control method and refrigerator of refrigerator evaporability Download PDF

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Publication number
CN108286867A
CN108286867A CN201711480828.1A CN201711480828A CN108286867A CN 108286867 A CN108286867 A CN 108286867A CN 201711480828 A CN201711480828 A CN 201711480828A CN 108286867 A CN108286867 A CN 108286867A
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CN
China
Prior art keywords
time
refrigerator
preset time
rotating speed
evaporating dish
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711480828.1A
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Chinese (zh)
Inventor
曹东强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Co Ltd
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Qingdao Haier Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201711480828.1A priority Critical patent/CN108286867A/en
Publication of CN108286867A publication Critical patent/CN108286867A/en
Priority to PCT/CN2018/125057 priority patent/WO2019129243A1/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/027Condenser control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04Preventing the formation of frost or condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14Collecting or removing condensed and defrost water; Drip trays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/01Timing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/11Fan speed control
    • F25B2600/111Fan speed control of condenser fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/02Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141Removal by evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/02Timing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

The present invention provides a kind of control method and refrigerator improving refrigerator evaporability, refrigerator includes compressor, the condenser being connect with compressor, for accelerating the condensation fan that condenser radiates and the evaporating dish being set to below condenser;Wherein, control method includes:When compressor is switched on, condensation fan is run with the first rotating speed;When compressor shuts down, condensation fan less than the second rotating speed of the first rotating speed to run preset time, to improve the evaporability of evaporating dish.The control method of the raising refrigerator evaporability of the present invention, after compressor shutdown, condensation fan is still run, and a period of time is continued to run with lower rotating speed, stop again later, accelerate the air flowing above evaporating dish by the rotation of condensation fan, improves the evaporability of water in evaporating dish, ensure that the water in evaporating dish is not excessive;Meanwhile the arrangement of heating coil can be saved, avoid a series of problem that heating coil is brought.

Description

Improve the control method and refrigerator of refrigerator evaporability
Technical field
The present invention relates to family's electro-technical fields, more particularly to the control method and refrigerator for improving refrigerator evaporability.
Background technology
Refrigerator in the process of running due in case cold and hot exchange will produce condensed water, and refrigerator periodicity defrost will produce Defrosting water, so generally all setting evaporating dish is used for collecting condensed water and defrosting water refrigerator.In the prior art, evaporating dish is generally put It sets in press cabin, arranges that heating coil, the exhaust pipe of heating coil one end connect compressor, the other end connect ice in evaporating dish The condenser pipe arrival end of case, heating coil are integrally immersed in the water of evaporating dish, to utilize the high temperature to circulate in heating coil Refrigerant gas heats water.
However, in order to ensure evaporability, heating coil will accomplish that enough length just can guarantee the defrost in evaporating dish Water does not overflow, and the space in press cabin is limited, and the increase of heating coil length can bring the problem of occupying larger space, inconvenient In the installation of the other component of refrigerator;And the heat exchange amount of the heating coil of finite length is small, and evaporation rate is difficult to meet use It is required that.
Invention content
In view of the above problems, it is an object of the present invention to provide one kind to overcome the above problem or solve at least partly The certainly control method and refrigerator of the raising refrigerator evaporability of the above problem.
A further object of the present invention is to improve refrigerator evaporability and promote the comprehensive performance of refrigerator.
According to an aspect of the present invention, the present invention provides a kind of control method improving refrigerator evaporability, refrigerators It the condenser that is connect including compressor, with compressor, the condensation fan for accelerating condenser to radiate and is set under condenser The evaporating dish of side;Wherein, control method includes:
When compressor is switched on, condensation fan is run with the first rotating speed;
When compressor shuts down, condensation fan less than the second rotating speed of the first rotating speed to run preset time, to improve evaporation The evaporability of ware.
Optionally, the second rotating speed is the 50%~80% of the first rotating speed.
Optionally, preset time is determining and/or when according to the refrigerator defrost according to the external environment humidity where refrigerator Between average time for being spaced it is determining and/or determined according to the water level in the evaporating dish.
Optionally, the step of determining the preset time according to the external environment humidity where the refrigerator specifically includes:
Detect the external environment humidity where the refrigerator;
If external environment humidity is less than the first default ambient humidity, when condensation fan is default with the second rotating speed operation first Between;
If external environment humidity is more than the first default ambient humidity and is less than the second default ambient humidity, condensation fan is with the Two rotating speeds run the second preset time;
If external environment humidity is more than the second default ambient humidity, when condensation fan is default with the second rotating speed operation third Between;
First preset time is less than the second preset time, and the second preset time is less than third preset time.
Optionally, the step of determining the preset time according to the average time of the refrigerator defrost time interval is specifically wrapped It includes:
Defrost time point of the refrigerator before current time is obtained, the average time of refrigerator defrost time interval is calculated;
If average time was more than for the first default average time, condensation fan runs the 4th preset time with the second rotating speed;
If average time was more than for the second default average time and was less than for the first default average time, condensation fan is with second turn Speed the 5th preset time of operation;
If average time was less than or equal to for the second default average time, when condensation fan is default with the second rotating speed operation the 6th Between;
4th preset time is less than the 5th preset time, and the 5th preset time is less than the 6th preset time.
Optionally, the step of determining the preset time according to the water level in the evaporating dish specifically includes:
Detect the water level in evaporating dish;
If the water level in evaporating dish is less than preset low water level line, condensation fan runs the 7th preset time with the second rotating speed;
If the water level in evaporating dish, between preset low water level line and preset high water level line, condensation fan is transported with the second rotating speed The 8th preset time of row;
If the water level in evaporating dish is higher than preset high water level line, when condensation fan is default with the second rotating speed operation the 9th Between;
7th preset time is less than the 8th preset time, and the 8th preset time is less than the 9th preset time.
Optionally, the step of determining the preset time according to the water level in the evaporating dish specifically includes:
Detect the water level in evaporating dish;
If water level gradually rises in evaporating dish, increase preset time;
If water level continuously decreases in evaporating dish, preset time is reduced.
According to a further aspect of the present invention, a kind of refrigerator is additionally provided, including:
Compressor, the condensation fan for accelerating condenser heat dissipation, is set to condenser at the condenser being connect with compressor The evaporating dish and controller of lower section;
Controller is configured to when compressor is switched on, and control condensation fan is run with the first rotating speed;
Controller is additionally configured to when compressor shuts down, and control condensation fan less than the second rotating speed of the first rotating speed to run Preset time, to improve the evaporability of evaporating dish.
Optionally, refrigerator further includes:
Humidity sensor, the external environment humidity being configured to where detection refrigerator;
Controller is additionally configured to determine preset time according to external environment humidity.
Optionally, controller is additionally configured to obtain defrost time point of the refrigerator before current time, calculates refrigerator defrost The average time of time interval, and preset time is determined according to the average time of refrigerator defrost time interval.
Optionally, refrigerator further includes:
Water level sensor, the water level being configured in detection evaporating dish;
Controller is additionally configured to determine preset time according to the water level in evaporating dish.
Optionally, refrigerator further includes:
Water level sensor, the water level being configured in detection evaporating dish;
Controller is additionally configured to gradually rising in evaporating dish water level, increases preset time;The water level in evaporating dish It continuously decreases, reduces preset time.
The control method of the raising refrigerator evaporability of the present invention, after compressor shutdown, condensation fan is still run, And a period of time is continued to run with lower rotating speed, stop again later, accelerates above evaporating dish by the rotation of condensation fan Air flows, and improves the evaporability of water in evaporating dish, ensures that the water in evaporating dish is not excessive;Meanwhile heating dish can be saved The arrangement of pipe avoids a series of problem that heating coil is brought.
Further, the control method of raising refrigerator evaporability of the invention, after compressor shutdown, condensation fan operation Time according to external environment humidity determine, and/or according to the average time of refrigerator defrost time interval determine and/or root It determines according to the water level in evaporating dish, it is possible thereby to determine the right times that condensation fan is run with the second rotating speed, is evaporated being promoted While ability, guarantee defrosting water be not excessive, the power consumption of condensation fan is reduced.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of refrigerator according to an embodiment of the invention;
Fig. 2 is the schematic diagram of refrigerator in accordance with another embodiment of the present invention;
Fig. 3 is the schematic diagram according to the refrigerator of further embodiment of the present invention;
Fig. 4 is the flow chart of the control method according to an embodiment of the invention for improving refrigerator evaporability;
Fig. 5 is the flow chart of the control method of according to embodiments of the present invention 1 raising refrigerator evaporability;
Fig. 6 is the flow chart of the control method of according to embodiments of the present invention 2 raising refrigerator evaporability;And
Fig. 7 is the flow chart of the control method of according to embodiments of the present invention 3 raising refrigerator evaporability.
Specific implementation mode
The present embodiment provides firstly a kind of refrigerator, and Fig. 1 is the schematic knot of refrigerator according to an embodiment of the invention Composition.
Refrigerator may include babinet in general manner, and the storing compartment and setting that at least one open front is defined in babinet exist The door body of storing compartment is used to open or closed on front side of storing compartment, and the periphery of storing compartment is coated with cabinet shell, babinet It is filled with thermal insulation material, such as foaming agent between shell and storing compartment, scatters and disappears to avoid cold.Storing compartment is usually more It is a, such as refrigerating chamber, freezing chamber, temperature-changing chamber.The quantity and function of specific storing compartment can be matched according to advance demand It sets.
Refrigerator can be direct cooling refrigerator or air cooling type refrigerator, and compression-type refrigeration cycle can be used to be used as low-temperature receiver. Cooling cycle system generality may include compressor 10, condenser 20, capillary 50 and evaporator 30 etc..Refrigerant is in evaporator In 30 with low temperature directly or indirectly with storing compartment occur heat exchange, absorb storing compartment heat and gasification, generation it is low Pressure steam is sucked by compressor 10, is discharged with high pressure after the compression of compressor 10, the high-pressure gaseous refrigerant that compressor 10 is discharged Highly pressurised liquid is condensed by the cooling water or air cooling of room temperature into condenser 20, highly pressurised liquid flows through the section of capillary 50 Stream, becomes the gas-fluid two-phase mixture of low-pressure low-temperature, into evaporator 30, liquid refrigerant therein evaporates in evaporator 30 Refrigeration, the low-pressure steam of generation are sucked by compressor 10 again, so in cycles, are constantly recycled, are realized continuing for refrigerator Refrigeration.
Refrigerator may also include device for drying and filtering 40, and device for drying and filtering 40 is connected between condenser 20 and capillary 50, use Residual moisture in the sundries and absorbent refrigeration system of filtering refrigeration system prevents that ice is stifled.Due to refrigerator door body with It often will produce condensed water at door frame contact, dew removing tube 60 can be also set in usual refrigerator, dew removing tube 60 is generally arranged at doorframe Interlayer in, one end connect condenser 20 output end, the other end pass through device for drying and filtering 40 and capillary 50 connection evaporation Device 30 heats refrigerator doorframe with the waste heat using 20 refrigerant after cooling of condensed device, to prevent from condensing.
For air cooling type refrigerator, evaporation fan 70 is additionally provided in refrigerator, evaporation fan 70 is configured to promote through evaporator The air of 30 coolings flows to storing compartment, to convey cold to storing compartment, adjusts the temperature of storing compartment.
For ease of the heat dissipation of compressor 10 and condenser 20, usually, refrigerator further includes condensation fan 80, condensation fan 80 It is configured to the outside for promoting the air through exchanging heat with condenser 20 to flow to refrigerator, to accelerate the heat dissipation of condenser 20.
Refrigerator in the process of running due in case cold and hot exchange will produce condensed water, and the evaporator 30 of refrigerator is periodically Defrost will produce defrosting water, and generally all setting evaporating dish 90 is used for collecting condensed water and defrosting water refrigerator.Usually, evaporating dish 90 It is set to the lower part of condenser 20.To improve evaporability, heating coil 100, heating coil 100 can be also arranged in evaporating dish 90 The exhaust pipe of one end connect compressor 10,20 arrival end of condenser of another termination refrigerator, heating coil 100 is whole to be immersed in steaming In the water for sending out ware 90, to be heated to water using the high temperature refrigerant gas to circulate in heating coil 100.
However, due to the limitation of 100 length of heating coil, heat exchange amount is small, and the evaporation rate of water is difficult to full in evaporating dish 90 Sufficient requirement.For this purpose, the refrigerator of the present embodiment further includes controller.Controller is configured to when compressor 10 is switched on, control Condensation fan 80 is run with the first rotating speed;Controller is additionally configured to when compressor 10 shuts down, and control condensation fan 80 is to be less than Second rotating speed of the first rotating speed runs preset time.In other words, when refrigeration for refrigerator, compressor 10 is switched on, and controller control is cold Solidifying wind turbine 80 is run with the first rotating speed, to ensure the heat dissipation of condenser 20;When the temperature of storing compartment reaches the temperature of setting, no When needing refrigeration, compressor 10 is closed, at this point, the rotating speed of adjustment condensation fan 80 so that condensation fan 80 is to be less than first turn Second rotating speed of speed continues to run with a period of time, to accelerate the air of 90 top of evaporating dish to flow, improves water in evaporating dish 90 Evaporability.
In the prior art, condensation fan 80 only rotates in 10 operational process of compressor, for ensureing dissipating for condenser 20 Heat, while compressor 10 is shut down, condensation fan 80 shuts down.And the refrigerator of the present embodiment, when compressor 10 shuts down, control Device control condensation fan 80 processed still runs a period of time with relatively low rotating speed, to which the steaming of water in evaporating dish 90 can be improved Hair ability ensures that the water in evaporating dish 90 does not overflow.
Second rotating speed is less than the first rotating speed, and specifically the second rotating speed can be the 50%~80% of the first rotating speed, condensation fan 80 are run with the second rotating speed, accelerate the evaporation of water in evaporating dish 90, and noise is relatively low.
In one of the present embodiment embodiment, refrigerator can retain the heating coil 100 being arranged in evaporating dish 90, During refrigeration for refrigerator, the high temperature refrigerant gas that heating coil 100 circulates heats water, and condensation fan 80 is cold in acceleration While condenser 20 radiates, accelerate the evaporation of water in evaporating dish 90.Refrigerator stops after refrigeration (closing of compressor 10), condensation fan 80 operating improves the evaporation rate of water in evaporating dish 90.
In the another embodiment of the present embodiment, cancel the heating coil 100 of refrigerator, after refrigerator stops refrigeration, condensation The operating of wind turbine 80 improves the evaporation rate of water in evaporating dish 90.
Fig. 2 is the schematic diagram of refrigerator in accordance with another embodiment of the present invention.In this embodiment, refrigerator may be used also Including humidity sensor 110, humidity sensor 110 is configured to the external environment humidity where detection refrigerator, and controller also configures To determine preset time according to external environment humidity, namely it is to determine the time that condensation fan 80 is run with the second rotating speed.
Specifically, in the present embodiment, controller is configured to be less than the first default environmental wet angle value in external ambient humidity When, control condensation fan 80 runs the first preset time with the second rotating speed;It is more than the first default environmental wet in external ambient humidity Angle value and less than the second default ambient humidity when, control condensation fan 80 with the second rotating speed run the second preset time;In outside When ambient humidity is more than the second default ambient humidity, control condensation fan 80 runs third preset time with the second rotating speed.Wherein The first preset time be less than the second preset time, the second preset time be less than third preset time.
The humidity of external environment residing for refrigerator is higher, and the evaporation rate of water is slower, according to the humidity size of external environment Determine the preset time that condensation fan 80 is run with the second rotating speed, after can rationally determining that compressor 10 is shut down, condensation fan 80 The time continued to run with, avoid the time that condensation fan 80 is run with the second rotating speed too short and can not be in time by water in evaporating dish 90 Evaporation, while avoiding condensation fan 80 long and increase power consumption with the second rotating speed run time.Condensating wind is thereby determined that The reasonable time that machine 80 is run with the second rotating speed avoids evaporating to which the water in evaporating dish 90 to be evaporated fully, in time Hypervolia in ware 90 and overflow.
First default environmental wet angle value may be set to 50% relative humidity, and the second default ambient humidity may be set to 75% Relative humidity, the first preset time may be set to 10 minutes, and the second preset time may be set to 20 minutes, third preset time It may be set to 30 minutes.The concrete numerical value of the above parameter is for example, when implementing, and above-mentioned parameter can be according to specifically answering It is adjusted flexibly with environment and use demand.
In one of present invention embodiment, controller may be additionally configured to obtain change of the refrigerator before current time White time point calculates the average time of refrigerator defrost time interval, and is determined according to the average time of refrigerator defrost time interval The preset time that condensation fan 80 is run with the second rotating speed.
Specifically, in the present embodiment, controller is configured to be more than first in the average time of refrigerator defrost time interval When default average time, control condensation fan 80 runs the 4th preset time with the second rotating speed;In refrigerator defrost time interval When average time was more than for the second default average time and was less than for the first default average time, control condensation fan 80 is with the second rotating speed Run the 5th preset time;When the average time of refrigerator defrost time interval being less than or equal to for the second default average time, control Condensation fan 80 processed runs the 6th preset time with the second rotating speed.Wherein, the 4th preset time is less than the 5th preset time, and the Five preset times are less than the 6th preset time.
The average time of refrigerator defrost time interval refer to current time before multiple defrost interval average time, example Such as, the average time at defrost interval three times before calculating determines condensation fan 80 with the operation of the second rotating speed according to the length of the time Preset time.The interval of refrigerator defrost is shorter, and the defrost water flowed into evaporating dish 90 is more, and the water level in evaporating dish 90 overflows The risk gone out is higher.According to the average time at refrigerator defrost interval determine condensation fan 80 with the second rotating speed run it is default when Between, after can rationally determining that compressor 10 is shut down, condensation fan 80 continues to run with the time, avoids condensation fan 80 with second turn Speed operation time it is too short and can not in time by the evaporation of water in evaporating dish 90, while avoid condensation fan 80 with the second rotating speed transport Row overlong time and increase power consumption.The reasonable time that condensation fan 80 is run with the second rotating speed is thereby determined that, to steam Water in hair ware 90 carries out fully, evaporate in time, avoiding the hypervolia in evaporating dish 90 and excessive, while can avoid condensation Wind turbine 80 is long and increase power consumption with the second rotating speed run time.
First default average time may be set to 40 hours, and the second default average time may be set to 20 hours, and the 4th is pre- If the time may be set to 10 minutes, the 5th preset time may be set to 20 minutes, and the 5th preset time may be set to 30 minutes.With The concrete numerical value of upper parameter be for example, implement when, above-mentioned parameter can according to concrete application environment and use need It asks and is adjusted flexibly.
In one of present invention embodiment, when controller can be configured to according to external environment humidity and refrigerator defrost Between average time for being spaced determine preset time.Specifically, the preset time that controller can will be determined according to external environment humidity It is compared with the preset time determined according to the average time of refrigerator defrost time interval, is determined when according to external environment humidity Preset time with determined according to the average time of refrigerator defrost time interval preset time difference when, with determining larger The time that preset time is run as condensation fan 80 with the second rotating speed.Thus after more reasonably determining the shutdown of compressor 10, The time that condensation fan 80 is continued to run with the second rotating speed.
Fig. 3 is according to the schematic diagram of the refrigerator of further embodiment of the present invention, and in this embodiment, refrigerator can wrap Water level sensor 120 is included, water level sensor 120 is configured to detect the water level in evaporating dish 90 in real time.Controller is configured to basis Water level in evaporating dish 90 determines preset time.Specifically, one low water line of default settings and a high-water line, controller When being configured to the water level in evaporating dish 90 less than preset low water level line, control condensation fan 80 is pre- with the second rotating speed operation the 7th If the time;When water level in evaporating dish 90 is between preset low water level line and preset high water level line, control condensation fan 80 with Second rotating speed runs the 8th preset time;When water level in evaporating dish 90 is higher than preset high water level line, condensation fan 80 is controlled The 9th preset time is run with the second rotating speed.Wherein, the 7th preset time is less than the 8th preset time, and the 8th preset time is small In the 9th preset time.
When the water level in evaporating dish 90 is less than preset low water level line, it is confirmed as safety level, it is cold when compressor 10 is shut down Solidifying wind turbine 80 stops after continuing to run with the 7th preset time with the second rotating speed, for example, operation stops after ten minutes, due to evaporating dish Water level in 90 is in safety level, can suitably shorten the time that condensation fan 80 is run with the second rotating speed.When in evaporating dish 90 Water level between preset low water level line and preset high water level line when, be confirmed as general water level, after compressor 10 is shut down, condensation Wind turbine 80 stops after continuing to run with the 8th preset time with the second rotating speed, for example, operation stops after twenty minutes, due to evaporating dish 90 In water level be in the state of general water level, can suitably increase the time that condensation fan 80 is run with the second rotating speed.Work as evaporating dish When water level in 90 is more than preset high water level line, it is confirmed as warning line, after compressor 10 is shut down, condensation fan 80 is with second turn Speed stops after continuing to run with the 9th preset time, for example, operation stops after 30 minutes, since the water level in evaporating dish 90 is in police Water level is guarded against, the time that condensation fan 80 is run with the second rotating speed should be increased, accelerates the evaporation of water in evaporating dish 90, avoids water spill-over Go out.
In one of the present embodiment embodiment, controller may be additionally configured to the water level in evaporating dish 90 and gradually rise Gao Shi increases preset time;When water level continuously decreases in evaporating dish 90, reduce preset time, with to condenser 20 with second The time of rotating speed operation adjusts into Mobile state, to according to the actual change situation of water level determine more suitable condenser 20 after The time of reforwarding row avoids condenser 20 from being run with the second rotating speed while the water in ensureing evaporating dish 90 evaporates in time Overlong time or various problems that are too short and bringing.
Based on the refrigerator of any of the above-described embodiment, the present invention also provides a kind of controlling parties improving refrigerator evaporability Method, as shown in figure 4, the control method includes:
S402, when compressor 10 is switched on, condensation fan 80 is run with the first rotating speed;
When refrigeration for refrigerator, compressor 10 is opened, and condensation fan 80 is run with the first rotating speed, ensures the heat dissipation of condenser 20.
S404, compressor 10 shut down when, condensation fan 80 with less than the second rotating speed of the first rotating speed run preset time, with Improve the evaporability of evaporating dish 90.
After the storing compartment of refrigerator is reduced to certain temperature, when refrigerator need not freeze again, compressor 10 is closed, cold at this time Solidifying wind turbine 80 is adjusted to stop again after running a period of time (preset time) less than the second rotating speed of the first rotating speed, to accelerate The air flowing of 90 top of evaporating dish, improves the evaporability of water in evaporating dish 90.
In the prior art, condensation fan 80 only rotates in 10 operational process of compressor, for ensureing dissipating for condenser 20 Heat, while compressor 10 is shut down, condensation fan 80 shuts down.And the refrigerator of the present embodiment, it is cold when compressor 10 shuts down Solidifying wind turbine 80 still runs a period of time with relatively low rotating speed, to improve the evaporability of water in evaporating dish 90, ensures to steam Water in hair ware 90 does not overflow.
Second rotating speed is less than the first rotating speed, and specifically the second rotating speed can be the 50%~80% of the first rotating speed, condensation fan 80 are run with the second rotating speed, accelerate the evaporation of water in evaporating dish 90, and noise is relatively low.
The preset time that condensation fan 80 is run with the second rotating speed can according to the external environment humidity where refrigerator determine and/ Or it is determined according to the average time determination of refrigerator defrost time interval and/or according to the water level in evaporating dish 90.
The preset time that condensation fan 80 is run with the second rotating speed can be determined according to any one in above-mentioned three or root It is determining or according to three determinations in above-mentioned three according to any two in above-mentioned three.When condensation fan 80 is transported with the second rotating speed When capable preset time is determined according to any two in above-mentioned three, if the preset time that any two determines is different, with The time that determining larger preset time is run as condensation fan 80 with the second rotating speed.When condensation fan 80 is with the second rotating speed When the preset time of operation is determining according to three in above-mentioned three, if there are arbitrary two in the preset time that above three determines Time that is a or when three different, being run using determining maximum preset time as condensation fan 80 with the second rotating speed.By This is more reasonably determined after compressor 10 shuts down, time that condensation fan 80 is continued to run with the second rotating speed.
In one of the present embodiment embodiment, preset time that condensation fan 80 is run with the second rotating speed according to External environment humidity where refrigerator determines.Since the humidity of the external environment residing for refrigerator is higher, the evaporation rate of water is slower, The preset time that condensation fan 80 is run with the second rotating speed is determined according to the humidity size of external environment, can rationally determine compression After machine 10 is shut down, the time that condensation fan 80 continues to run with, avoid the time that condensation fan 80 is run with the second rotating speed too short and Can not in time by the evaporation of water in evaporating dish 90, while avoid condensation fan 80 with the second rotating speed run time it is long and increase consume Electricity.Thereby determined that the reasonable time that condensation fan 80 is run with the second rotating speed, to by evaporating dish 90 water fully and When be evaporated, avoid hypervolia in evaporating dish 90 and overflow.
Specifically, the step of determining preset time according to the external environment humidity where refrigerator specifically includes:
If external environment humidity is less than the first default ambient humidity, when condensation fan 80 is default with the second rotating speed operation first Between;
If external environment humidity be more than the first default ambient humidity and be less than the second default ambient humidity, condensation fan 80 with Second rotating speed runs the second preset time;
If external environment humidity is more than the second default ambient humidity, when condensation fan 80 is default with the second rotating speed operation third Between.
Wherein, the first preset time is less than the second preset time, and the second preset time is less than third preset time.
First default environmental wet angle value may be set to 50% relative humidity, and the second default ambient humidity may be set to 75% Relative humidity, the first preset time may be set to 10 minutes, and the second preset time may be set to 20 minutes, third preset time It may be set to 30 minutes.The concrete numerical value of the above parameter is for example, when implementing, and above-mentioned parameter can be according to specifically answering It is adjusted flexibly with environment and use demand.
In one of the present embodiment embodiment, preset time that condensation fan 80 is run with the second rotating speed according to The average time of refrigerator defrost time interval determines.Since the interval of refrigerator defrost is shorter, the defrosting water in evaporating dish 90 is flowed into Amount is more, and the risk that the water level in evaporating dish 90 overflows is higher.Condensation fan is determined according to the average time at refrigerator defrost interval 80 preset times run with the second rotating speed, after can rationally determining that compressor 10 is shut down, when continuing to run with of condensation fan 80 Between, avoid the time that condensation fan 80 is run with the second rotating speed too short and can not be in time by the evaporation of water in evaporating dish 90, simultaneously Avoid condensation fan 80 long and increase power consumption with the second rotating speed run time.Thereby determine that condensation fan 80 with second turn The reasonable time of speed operation avoids the water in evaporating dish 90 to evaporate fully, in time the water in evaporating dish 90 It is excessive and excessive, while it is long and increase power consumption with the second rotating speed run time to can avoid condensation fan 80.
The step of determining preset time according to the average time of refrigerator defrost time interval specifically includes:
At defrost time point before obtaining refrigerator at the moment, calculate the average time of refrigerator defrost time interval;
If average time was more than for the first default average time, condensation fan 80 runs the 4th preset time with the second rotating speed;
If average time was more than for the second default average time and was less than for the first default average time, condensation fan 80 is with second Rotating speed runs the 5th preset time;
If average time was less than or equal to for the second default average time, condensation fan 80 is default with the second rotating speed operation the 6th Time.
Wherein, the 4th preset time is less than the 5th preset time, and the 5th preset time is less than the 6th preset time.
The average time of refrigerator defrost time interval refer to current time before multiple defrost interval average time, example Such as, the average time at defrost interval three times before calculating determines condensation fan 80 with the operation of the second rotating speed according to the length of the time Preset time.
First default average time may be set to 40 hours, and the second default average time may be set to 20 hours, and the 4th is pre- If the time may be set to 10 minutes, the 5th preset time may be set to 20 minutes, and the 5th preset time may be set to 30 minutes.With The concrete numerical value of upper parameter be for example, implement when, above-mentioned parameter can according to concrete application environment and use need It asks and is adjusted flexibly.
In one of the present embodiment embodiment, preset time that condensation fan 80 is run with the second rotating speed according to The step of water level in evaporating dish 90 determines, preset time is determined according to the water level in evaporating dish 90 specifically includes:
Detect the water level in evaporating dish 90;
If the water level in evaporating dish 90 is less than low water line, condensation fan 80 runs the 7th preset time with the second rotating speed;
If the water level in evaporating dish 90, between low water line and high-water line, condensation fan 80 is with the second rotating speed operation the Eight preset times;
If the water level in evaporating dish 90 is higher than high-water line, when condensation fan 80 is default with the second rotating speed operation the 9th Between.
Wherein, the 7th preset time is less than the 8th preset time, and the 8th preset time is less than the 9th preset time.
When the water level in evaporating dish 90 is less than preset low water level line, it is confirmed as safety level, it is cold when compressor 10 is shut down Solidifying wind turbine 80 stops after continuing to run with the 7th preset time with the second rotating speed, for example, operation stops after ten minutes, due to evaporating dish Water level in 90 is in safety level, can suitably shorten the time that condensation fan 80 is run with the second rotating speed.When in evaporating dish 90 Water level between preset low water level line and preset high water level line when, be confirmed as general water level, after compressor 10 is shut down, condensation Wind turbine 80 stops after continuing to run with the 8th preset time with the second rotating speed, for example, operation stops after twenty minutes, due to evaporating dish 90 In water level be in the state of general water level, can suitably increase the time that condensation fan 80 is run with the second rotating speed.Work as evaporating dish When water level in 90 is more than preset high water level line, it is confirmed as warning line, after compressor 10 is shut down, condensation fan 80 is with second turn Speed stops after continuing to run with the 9th preset time, for example, operation stops after 30 minutes, since the water level in evaporating dish 90 is in police Water level is guarded against, the time that condensation fan 80 is run with the second rotating speed should be increased, accelerates the evaporation of water in evaporating dish 90, avoids water spill-over Go out.
In one of the present embodiment embodiment, preset time that condensation fan 80 is run with the second rotating speed according to The step of water level in evaporating dish 90 determines, preset time is determined according to the water level in evaporating dish 90 specifically includes:
Detect the water level in evaporating dish 90;
When water level gradually rises in evaporating dish 90, increase preset time;
When water level continuously decreases in evaporating dish 90, preset time is reduced.
The time run with the second rotating speed to condenser 20 according to the variation tendency of water level in evaporating dish 90 is into Mobile state tune It is whole, to determine the time that more suitable condenser 20 continues to run with according to the actual change situation of water level, ensureing to evaporate While water in ware 90 evaporates in time, the overlong time that avoids condenser 20 from being run with the second rotating speed or too short and bring each Kind problem.
For ease of the control method for improving refrigerator evaporability of the present invention is more clearly understood, following exemplary is given Go out wherein three specific embodiments in the control method of the raising refrigerator evaporability of the present invention.
Embodiment 1
Fig. 5 is the flow chart of the control method of according to embodiments of the present invention 1 raising refrigerator evaporability, as shown in figure 5, Control method includes:
S502, judges whether compressor 10 is switched on, if so, step S504 is executed, if it is not, executing step S506;
S504, condensation fan 80 are run with the first rotating speed;
S506 detects the external environment humidity μ where refrigerator, if external environment humidity μ≤50%RH, executes step S508;If external environment humidity 50%RH < μ < 75%RH, step S510 is executed;If external environment humidity μ >=75%RH, holds Row step S512;
S508, condensation fan 80 are run 10 minutes with the second rotating speed;
S510, condensation fan 80 are run 20 minutes with the second rotating speed;
S512, condensation fan 80 are run 30 minutes with the second rotating speed.
Wherein, RH indicates relative humidity.
Embodiment 2
Fig. 6 is the flow chart of the control method of according to embodiments of the present invention 2 raising refrigerator evaporability, as shown in fig. 6, Control method includes:
S602, judges whether compressor 10 is switched on, if so, step S604 is executed, if it is not, executing step S606;
S604, condensation fan 80 are run with the first rotating speed;
S606 obtains first three the defrost time point of refrigerator before current time, calculates three defrost time intervals Average time T execute step S608 if T >=40 hour;If 20 hours < T < 40 hours, step S610 is executed;If T≤20 Hour, execute step S612;
S608, condensation fan 80 are run 10 minutes with the second rotating speed;
S610, condensation fan 80 are run 20 minutes with the second rotating speed;
S612, condensation fan 80 are run 30 minutes with the second rotating speed.
Embodiment 3
Fig. 7 is the flow chart of the control method of according to embodiments of the present invention 3 raising refrigerator evaporability, as shown in fig. 7, Control method includes:
S702, judges whether compressor 10 is switched on, if so, step S704 is executed, if it is not, executing step S706;
S704, condensation fan 80 are run with the first rotating speed;
S706 detects the water level L in evaporating dish 90, if the water level L in evaporating dish 90 is less than preset low water level LIt is low(L < LIt is low), execute step S708;If the water level L in evaporating dish 90 is in preset low water level line and preset high water level line LIt is highBetween (LIt is low≤L ≤LIt is high), execute step S710;If the water level L in evaporating dish 90 is higher than preset high water level (L > LIt is high), execute step S712;
S708, condensation fan 80 are run 10 minutes with the second rotating speed;
S710, condensation fan 80 are run 20 minutes with the second rotating speed;
S712, condensation fan 80 are run 30 minutes with the second rotating speed.
The control method of the raising refrigerator evaporability of the present embodiment, after compressor 10 shuts down, condensation fan 80 is still Operation, and a period of time is continued to run with the rotating speed less than 80 normal operation of condensation fan, stop again later, by condensation fan 80 rotation improves the air flowing of 90 top of evaporating dish, improves the evaporability of evaporating dish 90, ensures that defrosting water is not excessive.
In existing scheme, heating coil 100 is arranged in evaporating dish 90, the water in evaporating dish 90 is added by heating tube Heat, however, heating coil 100 generally using copper pipe or has the steel pipe of stronger anti-corrosion capability, and surface uses heat-shrinkable T bush Cladding or surface form special corrosion-inhibiting coating, and cost is higher, and heating coil 100 was waited in actual shipment, production and assembly Also it is easy to happen the phenomenon that local erosion resistant coating is destroyed in journey, is not avoided that the wind for being caused leakage of refrigerant by defrost aqueous corrosion Danger.In addition, the heat exchange amount of the heating coil 100 of finite length is small, evaporation rate is difficult to meet requirement.
In the present embodiment, after compressor 10 shuts down, condensation fan 80 still continues to run with a period of time with the second rotating speed, adds The block evaporation rate of water, without arranging heating coil 100 in evaporating dish 90, you can meet evaporation demand, ensure evaporating dish While water in 90 is not excessive, the above problem generated because arranging heating coil 100 in evaporating dish 90 is avoided.
Further, the control method of the raising refrigerator evaporability of the present embodiment, the time root that condensation fan 80 is run It determines according to external environment humidity, and/or is determined according to the average time of refrigerator defrost time interval, and/or according to evaporating dish 90 In water level determine, it is possible thereby to determine the right times that runs with the second rotating speed of condensation fan 80, promoting evaporability, guarantor While card defrosting water is not excessive, the power consumption of condensation fan 80 is reduced.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers other all these variations or modifications.

Claims (12)

1. a kind of control method improving refrigerator evaporability, the refrigerator includes compressor, it is cold to be connect with the compressor Condenser, the condensation fan for accelerating the condenser heat dissipation and the evaporating dish being set to below the condenser;Wherein, described Control method includes:
When the compressor booting, the condensation fan is run with the first rotating speed;
When compressor shutdown, the condensation fan to run preset time less than the second rotating speed of first rotating speed, with Improve the evaporability of the evaporating dish.
2. control method according to claim 1, wherein
Second rotating speed is the 50%~80% of first rotating speed.
3. control method according to claim 1, wherein
The preset time is determining and/or according between the refrigerator defrost time according to the external environment humidity where the refrigerator Every average time it is determining and/or determined according to the water level in the evaporating dish.
4. control method according to claim 3, the external environment humidity where the refrigerator determines described default The step of time, specifically includes:
Detect the external environment humidity where the refrigerator;
If the external environment humidity is less than the first default ambient humidity, the condensation fan runs first with second rotating speed Preset time;
If the external environment humidity is more than the described first default ambient humidity and is less than the second default ambient humidity, the condensation Wind turbine runs the second preset time with second rotating speed;
If the external environment humidity is more than the described second default ambient humidity, the condensation fan is run with second rotating speed Third preset time;
First preset time is less than second preset time, when second preset time is default less than the third Between.
5. control method according to claim 3, according to the determination of the average time of the refrigerator defrost time interval The step of preset time, specifically includes:
Defrost time point of the refrigerator before current time is obtained, the mean time of the refrigerator defrost time interval is calculated Between;
If the average time was more than for the first default average time, the condensation fan is default with second rotating speed operation the 4th Time;
If the average time was more than for the second default average time and is less than the described first default average time, the condensation fan The 5th preset time is run with second rotating speed;
If the average time was less than or equal to for the described second default average time, the condensation fan is transported with second rotating speed The 6th preset time of row;
4th preset time be less than the 5th preset time, and the 5th preset time be less than the described 6th it is default when Between.
6. control method according to claim 3 determines the step of the preset time according to the water level in the evaporating dish Suddenly it specifically includes:
Detect the water level in the evaporating dish;
If the water level in the evaporating dish is less than preset low water level line, the condensation fan is pre- with second rotating speed operation the 7th If the time;
If the water level in the evaporating dish is between the preset low water level line and preset high water level line, the condensation fan is with institute It states the second rotating speed and runs the 8th preset time;
If the water level in the evaporating dish is higher than the preset high water level line, the condensation fan is run with second rotating speed 9th preset time;
7th preset time be less than the 8th preset time, and the 8th preset time be less than the described 9th it is default when Between.
7. control method according to claim 3 determines the step of the preset time according to the water level in the evaporating dish Suddenly it specifically includes:
Detect the water level in the evaporating dish;
If water level gradually rises in the evaporating dish, increase the preset time;
If water level continuously decreases in the evaporating dish, the preset time is reduced.
8. a kind of refrigerator, including:
Compressor, the condensation fan for accelerating the condenser heat dissipation, is set to institute at the condenser being connect with the compressor State the evaporating dish and controller below condenser;
The controller is configured to, when the compressor is switched on, control the condensation fan and run with the first rotating speed;
The controller is additionally configured to, when the compressor shuts down, control the condensation fan with less than first rotating speed Second rotating speed runs preset time, to improve the evaporability of the evaporating dish.
9. refrigerator according to claim 8, further includes:
Humidity sensor is configured to detect the external environment humidity where the refrigerator;
The controller is additionally configured to determine the preset time according to the external environment humidity.
10. refrigerator according to claim 8, wherein
The controller is additionally configured to obtain defrost time point of the refrigerator before current time, calculates the refrigerator defrost The average time of time interval, and the preset time is determined according to the average time of the refrigerator defrost time interval.
11. refrigerator according to claim 8, further includes:
Water level sensor is configured to detect the water level in the evaporating dish;
The controller is additionally configured to determine the preset time according to the water level in the evaporating dish.
12. refrigerator according to claim 8, further includes:
Water level sensor is configured to detect the water level in the evaporating dish;
When the controller is additionally configured to that water level gradually rises in the evaporating dish, increase the preset time;In the steaming When water level continuously decreases in hair ware, the preset time is reduced.
CN201711480828.1A 2017-12-29 2017-12-29 Improve the control method and refrigerator of refrigerator evaporability Pending CN108286867A (en)

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