CN105466103A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN105466103A CN105466103A CN201410432007.0A CN201410432007A CN105466103A CN 105466103 A CN105466103 A CN 105466103A CN 201410432007 A CN201410432007 A CN 201410432007A CN 105466103 A CN105466103 A CN 105466103A
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- cycle system
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2507—Flow-diverting valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/02—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
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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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to a refrigerator. The refrigerator comprises a dry chamber, a cooling chamber, a first refrigeration cycle system and a second refrigeration cycle system, wherein the first refrigeration cycle system and the second refrigeration cycle system are used for cycle of refrigerants, and the evaporation temperature of the first refrigeration cycle system is lower than that of the second refrigeration cycle system; the first refrigeration cycle system comprises an evaporator arranged in the cooling chamber, and a cold channel is arranged between the cooling chamber and the dry chamber. The first refrigeration cycle system and the second refrigeration cycle system are adopted, the dry chamber is communicated with the cooling chamber which is internally provided with the first refrigeration cycle system with the relative low evaporation temperature, and therefore the absolute moisture content of air entering the dry chamber is smaller, and the lower absolute humidity in the dry chamber is achieved.
Description
Technical field
The present invention relates to a kind of refrigerator with dry room, belong to household appliance technical field.
Background technology
Humidity generally refers to air humidity in meteorology, is the content of water vapor in air, and does not comprise liquid or solid-state water.Not steam-laden air is called as dry air.Because vapor in the atmosphere can account for 0% to 4% of volume of air, generally refer to the composition that these compositions are shared in dry air when the composition listing various gas in air.
" absolute humidity " refers to the quality of the steam contained in the air of certain volume, and generally its unit is g/cubic metre.Absolute humidity be most high humility under saturation state to greatest extent.
" relative humidity " (RH) is the ratio between absolute humidity and most high humility, and how high the saturation degree of its value display steam have.Relative humidity be 100% air be saturated air.Relative humidity be 50% air contain the steam of the half of the saturation point reaching synthermal air.Relative humidity generally to be condensed water outlet or ice more than the steam in the air of 100%.Along with the rising of temperature, the steam vapour amount that can dissolve in air increases, and the absolute humidity values of air increases.When the rh value of air is more than 100%, the steam in air will condense out, and can be used for cool-down dehumidification; Temperature raised, relative humidity will reduce again, and can be used for reaching dry object.
The drying of food, main relevant with relative humidity.Relative humidity is low, and the possibility that food obtains moisture is little.
The storeroom developing low relative humidity in refrigerator can be used for storing various dry or needing dry food (as tealeaves, dry fruit etc.).The relative humidity of dried foods to storage ambient is more responsive, usually needs the relative humidity that one is lower, and can be constant within the scope of a smaller relative humidity variations, otherwise, very easily cause the rotten of food or affect quality.
Between tradition reduces, the mode of room relative humidity is the principle adopting cool-down dehumidification, namely the cooling function of evaporimeter is utilized, by an indoor air by the abundant cooling down of evaporimeter, precipitation steam dehumidifies, obtain the air that absolute moisture content is lower, then and an indoor absolute moisture content higher air displacement (between being about to indoor absolute moisture content higher air drive out of, between indoor air absolute moisture content be reduced), heat up under the heat effect of then environment around, thus realize obtaining lower relative humidity, reach dry object.
Summary of the invention
The object of the present invention is to provide a kind of refrigerator, the air providing absolute moisture content less can to the dry room in refrigerator, realizes better effect on moisture extraction.
For realizing aforementioned object, the present invention adopts following technical scheme: a kind of refrigerator, comprise dry room and cooling chamber, described refrigerator also comprises the first cooling cycle system and the second cooling cycle system that supply refrigerant circulation, wherein the evaporating temperature of the first cooling cycle system is lower than the evaporating temperature of the second cooling cycle system, described first cooling cycle system comprises the evaporimeter be arranged in cooling chamber, is provided with cold passage between described cooling chamber and dry room.
As a further improvement on the present invention, described refrigerator also comprise in parallel after the control valve that connects the first capillary on an evaporator and the second capillary and be arranged on the first capillary, the second capillary, the flow of wherein said first capillary is less than the flow of the second capillary, described first refrigeration system comprises described evaporimeter and the first capillary, described second cooling cycle system comprises described evaporimeter and the second capillary, carries out the first capillary, the unlatching of the second capillary switches according to the humidity conditions of dry room by described control valve.
As a further improvement on the present invention, described refrigerator also comprises controller, described controller and control valve be electrically connected and carry out the first capillary according to the humidity conditions of dry room, the unlatching of the second capillary switches.
As a further improvement on the present invention, described refrigerator also comprises the channel attached refrigeration compartment with cold, and described cold passage comprises the major trunk roads that are connected with cooling chamber and forms to connect dry room, first point of arterial highway of refrigeration compartment, second point of arterial highway respectively from major trunk roads upper bifurcation.
As a further improvement on the present invention, described refrigeration compartment be between refrigerator room, freezing compartment, alternating temperature in room any one or more combination.
As a further improvement on the present invention, described refrigerator also comprises the freezing compartment being realized refrigeration by the first cooling cycle system, the refrigerator room of refrigeration is realized by the second cooling cycle system, described second cooling cycle system comprises refrigeration evaporator, described refrigerator room and freezing compartment are formed by foaming layer baffle for separating, described dry room is arranged on refrigerator indoor, described cold channel setting is communicated with dry room for extending through described foaming layer dividing plate from cooling chamber, or to be set in the foaming layer that cooling chamber extends to freezing compartment's sidepiece and sidepiece from dry room is connected with dry room.As a further improvement on the present invention, described refrigerator also comprises the return airway being communicated with dry room, and described return airway is set to run through described foaming layer dividing plate downwards and is transmitted back in freezing compartment by the exchange air-flow of dry room or is set to extend from freezing compartment's sidepiece or rear portion and be directly communicated with cooling chamber; The side of described return airway is provided with return air air door.
As a further improvement on the present invention, the opening time of described cold passage is determined in the following way:
S1: the absolute humidity ρ 1 obtaining dry indoor, obtain the absolute humidity ρ 2 in cooling chamber;
S2: after absolute humidity ρ 1 is higher than absolute humidity ρ 2, described cold passage is opened;
Or determine in the following way:
S1 ': the dew-point temperature obtaining dry indoor, obtains the temperature in cooling chamber;
S2 ': when after the dew-point temperature of the temperature in cooling chamber lower than dry indoor, cold passage is opened;
Or determine in the following way:
S1 ' ': the temperature W1 obtaining dry room;
S2 ' ': the temperature range D0 of the dry room of presetting in the temperature W1 of the dry room got and refrigerator is compared, and when the temperature W1 of dry room is greater than default temperature range D0, cold passage is opened.
As a further improvement on the present invention, the side of described cold passage is provided with the air door in order to realize opening cold passage.
As a further improvement on the present invention, described dry indoor are provided with the humidity sensor of the relative humidity detecting dry indoor and/or the temperature sensor in order to the temperature that detects dry indoor.
The invention has the beneficial effects as follows: by adopting the first cooling cycle system and the second cooling cycle system, and the cooling chamber of dry room low first cooling cycle system relative to wherein arranging evaporating temperature is communicated with, thus make the absolute moisture content of the air entering dry indoor less, realize the indoor lower absolute humidity of dry.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of refrigerator in one embodiment of the invention.
Fig. 2 represents that the relative humidity of dry indoor is to the curve map between the time when using the capillary of different thicknesses.
Fig. 3 is the part-structure schematic diagram of refrigerator in another embodiment of the present invention.
Detailed description of the invention
Refer to Fig. 1, the refrigerator in one embodiment of the invention has refrigerator room 11, freezing compartment, temperature-changing chamber, the cooling cycle system supplying refrigerant circulation and controller.Described refrigerator room 11, freezing compartment and temperature-changing chamber are referred to as refrigeration compartment.Be provided with dry room 12 in described refrigerator room 11, the normal temperature in described refrigerator room 11 is 0 ~ 10 °, generally at 6 ~ 8 °; Temperature in described dry room 12 lower than the temperature in refrigerator room 11, generally at 3 ~ 5 °.Be provided with in described dry room 12 respectively in order to detect the first temperature inductor (not shown) and first humidity sensor (not shown) of temperature in dry room 12 and relative humidity, described first temperature inductor, the first humidity sensor and controller are electrically connected.Described cooling cycle system comprises condenser, compressor, evaporimeter 13 and capillary.Described evaporimeter 13 is arranged in cooling chamber 14, and this cooling chamber 14 is arranged in the rear side of refrigeration compartment.Be provided with in described cooling chamber 14 respectively in order to detect the second temperature inductor (not shown) and second humidity sensor (not shown) of temperature in cooling chamber 14 and relative humidity, described second temperature inductor, the second humidity sensor and controller are electrically connected.Described dry room 12 is communicated with by cold passage 15 with cooling chamber 14, refrigerator room 11, and described cold passage 15 comprises the major trunk roads 151 that are connected with cooling chamber 14 and forms the arterial highway 153,152, second point, first point of arterial highway to connect dry room 12, refrigerator room 11 from major trunk roads 151 upper bifurcation.Described capillary comprises the first capillary 161 and the second capillary 162 be connected in parallel on evaporimeter 13, wherein, the flow of the first capillary 161 is less than the flow of the second capillary 162, and the flow of this second capillary 162 is identical with the flow of the capillary used in current refrigerator.Described condenser, compressor, evaporimeter 13 and the first capillary 161 form the first cooling cycle system, and described condenser, compressor, evaporimeter 13 and the first capillary 161 form the second cooling cycle system.When refrigerator is in conventional refrigerant, switches unlatching second capillary 162(and namely switch startup second cooling cycle system), cold-producing medium flows into evaporimeter 13 through this second capillary 162.
In kind of refrigeration cycle, the effect of capillary is: by the throttling action of capillary, is the saturated gaseous refrigerant of low pressure state, cold state by the liquid refrigerant step-down of high temperature, high voltage state.When given volume, according to the proportional relation of the pressure and temperature of gas, pressure is lower, and temperature is lower.Therefore after the throttling of capillary, it is larger that the pressure of cold-producing medium reduces, and the temperature of cold-producing medium is lower.That is, the flow of capillary is less, after throttling, it is larger that the pressure of cold-producing medium reduces, and temperature is lower, double capillary (first capillary 161 and the second capillary 162) is adopted to form two cooling cycle system (the first cooling cycle system and the second cooling cycle system), so when switching unlatching the second capillary 162, refrigerant flow is large, it is little that refrigerant pressure after the second capillary 162 step-down reduces, and evaporating temperature is relatively high; When switching unlatching first capillary 161, refrigerant flow is little, and it is large that refrigerant pressure reduces, and evaporating temperature is relatively low.
When needs carry out removal moisture drying, by switching unlatching first capillary 161, cold-producing medium flows into evaporimeter 13 through the first capillary 161, and make the evaporating temperature that obtains lower, the absolute humidity of the air of the cooling chamber 14 obtained is also lower.After dehumidification function terminates, switch unlatching second capillary 162, cold-producing medium flows into evaporimeter 13 through this second capillary 162, and make the cryogenic temperature of evaporimeter 13 maintain the normal temperature range in refrigerator room, temperature raises, thus rh value is also reduced.
First capillary 161 and the second capillary 162 are arranged with control valve 18, controller and magnetic valve 8 are electrically connected and switch according to the unlatching that the humidity conditions of dry room 12 carries out the first capillary 161, second capillary 162.In the present embodiment, described controller carries out by the data that the first humidity sensor in dry room 12 detects the moisture condition judging dry indoor, thus judges whether that the unlatching carrying out the first capillary 161, second capillary 162 switches.
The downside of described evaporimeter 13 is provided with blower fan 19, and this blower fan 19 is arranged in cooling chamber 14.The side of described first point of arterial highway 152 and second point of arterial highway 153 is respectively arranged with the first air door 171 and the second air door 172, opening of this 152, second point of arterial highway 153, first point of arterial highway realizes respectively by unlatching first air door 171, second air door 172, and whether described first air door 171 and the second air door 172 are controlled to open by controller.Described second point of arterial highway 153 is in running in refrigeration system, be in open mode always, or this second point of arterial highway 153 is only in open mode when unlatching the second capillary 61, and the opening time of described first point of arterial highway 152 is: when the first capillary 161 is opened or after the first capillary 161 is opened.The opening time of described first point of arterial highway 152 can be later than for of presetting in refrigerator the first capillary 161 open after time, the time of this Preset Time for obtaining after test of many times, or the opening time of described first point of arterial highway 152 can be determined in the following way:
S1: obtain the absolute humidity ρ 1 in dry room 12, obtains the absolute humidity ρ 2 in cooling chamber 14;
S2: after absolute humidity ρ 1 is higher than absolute humidity ρ 2, described first point of arterial highway 152 is opened.
The specific implementation of described S1 step is as follows: the controller in described refrigerator receive and process described first temperature inductor detect the temperature that obtains and the first humidity sensor detect the relative humidity that obtains to obtain absolute humidity ρ 1, controller receive and process the second temperature inductor detect the temperature that obtains and the second humidity sensor detect the relative humidity that obtains to obtain absolute humidity ρ 2.
When the relative humidity in described cooling chamber 14 is 100%, namely, when evaporimeter 13 having had condensation produce, the specific implementation of described S1 step can also be as follows: the controller in described refrigerator receive and process described first temperature inductor detect the temperature that obtains and the first humidity sensor detect the relative humidity that obtains to obtain absolute humidity ρ 1, controller receives and processes temperature that the second temperature inductor obtains to obtain absolute humidity ρ 2.Now, relative humidity is obtained without the need to adopting the second humidity sensor to detect.
And because of absolute humidity values not easily measured in refrigerator, so when specifically controlling, temperature can be adopted as standard, now, second point of arterial highway 52 opening time is determined in the following way:
S1 ': obtain the dew-point temperature in dry room 12, obtain the temperature in cooling chamber 14, temperature in dew-point temperature in dry room 12 and cooling chamber 14 obtains in the following way: the controller in refrigerator receives and processes the temperature detected by the first temperature inductor in dry room 12 and the relative humidity detected by the first humidity sensor to obtain dew-point temperature, the temperature of cooling chamber 14 is detected by the second temperature inductor in cooling chamber 14 and obtains, described dew-point temperature is learnt by humid air psychrometric chart preset in controller inquiry, specifically learn by calculating and inquire about after the temperature of controller detected by the first received temperature inductor and the relative humidity detected by humidity sensor,
S2 ': after the temperature in cooling chamber 14 is lower than the dew-point temperature in dry room 12, first point of arterial highway 152 is opened.
Except above-mentioned two kinds of modes judge second point of arterial highway 52 opening time, described second point of arterial highway 52 opening time can also be determined in the following way:
S1 ' ': the temperature W1 obtaining dry room 12;
S2 ' ': the temperature range D0 of the dry room 12 of presetting in the temperature W1 of the dry room 12 got and refrigerator is compared, and when the temperature W1 of dry room 12 is greater than default temperature range D0, cold passage is opened.
Refer to Fig. 2, in figure, the capillary that forming curves 1 uses is the first capillary 161, and the capillary of forming curves 2 is the second capillary 162, and can be found out by Fig. 2, the effect on moisture extraction that curve 2 reacts is better than the effect on moisture extraction of curve 1.
In the above-described embodiments, described cold passage 15 is for being arranged between cooling chamber 14 and dry room 12, refrigerator room 11, and blower fan 19 is arranged on the side of evaporimeter 13, really, in other embodiments, described cold passage 15 is for being arranged on cooling chamber 14 and between dry room 12 and other refrigeration compartment, blower fan 19 is arranged on evaporimeter 13 equally, now first point of arterial highway 152 is for connecting major trunk roads 151 and dry room 12, second point of arterial highway 153 connects major trunk roads 151 and other refrigeration compartment, and these other rooms can be freezing compartment.
In the present embodiment, dual system is realized by different the first capillary 161 of connection traffic on evaporimeter 13 and the second capillary 162, and to be electrically connected due to controller and magnetic valve 8 and the unlatching carrying out the first capillary 161, second capillary 162 according to the humidity conditions of dry room 12 switches, thus when the first capillary 161 that switching turn-on flow rate is less, in cooling chamber 14, the absolute humidity of air reduces, make the evaporating temperature that obtains lower, make the absolute moisture content of the air entered in dry room 12 less, realize better effect on moisture extraction.
Refer to Fig. 3, the refrigerator in another embodiment of the present invention has refrigerator room 21, freezing compartment 22, temperature-changing chamber, the first cooling cycle system supplying refrigerant circulation and the second cooling cycle system.Described refrigerator room 21 is separated to form by foaming layer dividing plate 27 with freezing compartment 22.Be provided with dry room 23 in described refrigerator room 21, in the present embodiment, the described dry room 23 described foaming layer dividing plate 27 that reclines is arranged, and the normal temperature in described refrigerator room 21 is 0 ~ 10 °, generally at 6 ~ 8 °; Temperature in described dry room 23 lower than the temperature in refrigerator room 21, generally at 3 ~ 5 °.The evaporating temperature of described first cooling cycle system is lower than the evaporating temperature of the second cooling cycle system, described first cooling cycle system comprises refrigerating evaporator 241, condenser, capillary and compressor, and described second cooling cycle system comprises refrigeration evaporator 242, condenser, capillary and compressor.The rear side of freezing compartment 22 is provided with the first cooling chamber 251, and the rear side of described refrigerator room 21 is provided with the second cooling chamber 252, and described refrigerating evaporator 241 is arranged in the first cooling chamber 251, and described refrigeration evaporator 242 is arranged in the second cooling chamber 252.The humidity sensor of the relative humidity detected in dry room 23 and/or the temperature sensor in order to detect the temperature in dry room 23 is provided with in described dry room 23.
Described first cooling chamber 251 is communicated with by the first cold passage 26 with dry room 23, described first cold passage 26 extends to below foaming layer dividing plate 27 from the first cooling chamber 251 and also upwards runs through described foaming layer dividing plate 27, thus is communicated with dry room 23 on the downside of dry room 23.The side of described first cold passage 26 is provided with the air door 28 that control first cold passage 26 is opened or closed.Certainly, in other embodiments, described first cold passage also can be set in the foaming layer that the first cooling chamber 251 extends to freezing compartment 22 sidepiece and to extend upwardly to the sidepiece of dry room 23, is communicated with dry room 23 with the sidepiece from dry room 23, thus without the need to through foaming layer dividing plate 27.
In addition, in the present embodiment, be also formed with return airway 271 between described dry room 23 and freezing compartment 22, this return airway 271 runs through described foaming layer dividing plate 27, and is transmitted back in freezing compartment 22 by the exchange air-flow of dry room 23; The side of described return airway 271 is provided with return air air door 272.Certainly, described return airway 271 also can be set to not run through described foaming layer dividing plate 27, but is independently arranged on refrigerator sidepiece or the rear portion also direct independent return airway be communicated with the first cooling chamber 251.
In addition, in the present embodiment, described first cooling chamber 251 and freezing compartment 22 depending on both going out to be communicated with to supply the put-through channel of cold to freezing compartment 22, certainly, when actual design, described first cold passage can be set to comprise the major trunk roads that are connected with the first cooling chamber 251 and form to connect dry room 23, first point of arterial highway of freezing compartment 22, second point of arterial highway from major trunk roads upper bifurcation.The structure of described first point of arterial highway can be formed through foaming layer dividing plate 27 as above-mentioned first cold passage 26 or be arranged on the sidepiece of freezing compartment 22.Described second cooling chamber 252 is communicated with by the second cold passage 29 with between refrigerator room 21.
In the present embodiment, realized by two evaporimeters (refrigerating evaporator 241 and refrigeration evaporator 242) by dual system (the first cooling cycle system and the second cooling cycle system), and the first cooling chamber 251 being furnished with refrigerating evaporator 241 is communicated with dry room 23 by the first cold passage, thus, the refrigerating evaporator 241 utilizing temperature lower, cool-down dehumidification is carried out to dry room 23 scavenging air, realize sending into the object that the absolute humidity of air in dry room 23 is lower, reach better effect on moisture extraction.
In the present embodiment, in order to make the absolute moisture content of the air entering dry indoor 23 less, the opening time of cold passage is determined by such as under type:
S1: the absolute humidity ρ 1 obtaining dry indoor, obtain the absolute humidity ρ 2 in cooling chamber;
S2: after absolute humidity ρ 1 is higher than absolute humidity ρ 2, described cold passage is opened;
Or determine in the following way:
S1 ': the dew-point temperature obtaining dry indoor, obtains the temperature in cooling chamber;
S2 ': when after the dew-point temperature of the temperature in cooling chamber lower than dry indoor, cold passage is opened;
Or determine in the following way:
S1 ' ': the temperature W1 obtaining dry room;
S2 ' ': the temperature range D0 of the dry room of presetting in the temperature W1 of the dry room got and refrigerator is compared, and when the temperature W1 of dry room is greater than default temperature range D0, cold passage is opened.
In sum, by adopting the first cooling cycle system and the second cooling cycle system, and the cooling chamber 14,251 of dry room 12,23 low first cooling cycle system relative to wherein arranging evaporating temperature is communicated with, thus make the absolute moisture content of the air entering dry indoor 12,23 less, realize absolute humidity lower in dry room 12,23.
Although be example object, disclose the preferred embodiment of the present invention, but those of ordinary skill in the art will recognize, when not departing from scope and spirit of the present invention disclosed in appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. a refrigerator, comprise dry room and cooling chamber, it is characterized in that: described refrigerator also comprises the first cooling cycle system and the second cooling cycle system that supply refrigerant circulation, wherein the evaporating temperature of the first cooling cycle system is lower than the evaporating temperature of the second cooling cycle system, described first cooling cycle system comprises the evaporimeter be arranged in cooling chamber, is provided with cold passage between described cooling chamber and dry room.
2. refrigerator according to claim 1, it is characterized in that: described refrigerator also comprise in parallel after connect the first capillary on an evaporator and the second capillary, and be arranged on the first capillary, control valve on second capillary, the flow of wherein said first capillary is less than the flow of the second capillary, described first refrigeration system comprises described evaporimeter and the first capillary, described second cooling cycle system comprises described evaporimeter and the second capillary, humidity conditions according to dry room carries out the first capillary by described control valve, the unlatching of the second capillary switches.
3. refrigerator according to claim 2, is characterized in that: described refrigerator also comprises controller, described controller and control valve be electrically connected and carry out the first capillary according to the humidity conditions of dry room, the unlatching of the second capillary switches.
4. refrigerator according to claim 2, it is characterized in that: described refrigerator also comprises the channel attached refrigeration compartment with cold, described cold passage comprises the major trunk roads that are connected with cooling chamber and forms to connect dry room, first point of arterial highway of refrigeration compartment, second point of arterial highway respectively from major trunk roads upper bifurcation.
5. refrigerator according to claim 4, is characterized in that: described refrigeration compartment be between refrigerator room, freezing compartment, alternating temperature in room any one or more combination.
6. refrigerator according to claim 1, it is characterized in that: described refrigerator also comprises the freezing compartment being realized refrigeration by the first cooling cycle system, the refrigerator room of refrigeration is realized by the second cooling cycle system, described second cooling cycle system comprises refrigeration evaporator, described refrigerator room and freezing compartment are formed by foaming layer baffle for separating, described dry room is arranged on refrigerator indoor, described cold channel setting is communicated with dry room for extending through described foaming layer dividing plate from cooling chamber, or to be set in the foaming layer that cooling chamber extends to freezing compartment's sidepiece and sidepiece from dry room is connected with dry room.
7. refrigerator according to claim 6, it is characterized in that: described refrigerator also comprises the return airway being communicated with dry room, described return airway is set to run through described foaming layer dividing plate downwards and is transmitted back in freezing compartment by the exchange air-flow of dry room or is set to extend from freezing compartment's sidepiece or rear portion and be directly communicated with cooling chamber; The side of described return airway is provided with return air air door.
8. refrigerator according to claim 1, is characterized in that: the opening time of described cold passage is determined in the following way:
S1: the absolute humidity ρ 1 obtaining dry indoor, obtain the absolute humidity ρ 2 in cooling chamber;
S2: after absolute humidity ρ 1 is higher than absolute humidity ρ 2, described cold passage is opened;
Or determine in the following way:
S1 ': the dew-point temperature obtaining dry indoor, obtains the temperature in cooling chamber;
S2 ': when after the dew-point temperature of the temperature in cooling chamber lower than dry indoor, cold passage is opened;
Or determine in the following way:
S1 ' ': the temperature W1 obtaining dry room;
S2 ' ': the temperature range D0 of the dry room of presetting in the temperature W1 of the dry room got and refrigerator is compared, and when the temperature W1 of dry room is greater than default temperature range D0, cold passage is opened.
9. refrigerator according to claim 1, is characterized in that: the side of described cold passage is provided with the air door in order to realize opening cold passage.
10. refrigerator according to claim 1, is characterized in that: described dry indoor are provided with the humidity sensor of the relative humidity detecting dry indoor and/or the temperature sensor in order to the temperature that detects dry indoor.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432007.0A CN105466103A (en) | 2014-08-29 | 2014-08-29 | Refrigerator |
| RU2017108420A RU2655212C1 (en) | 2014-08-29 | 2014-11-28 | Refrigerator |
| EP14900349.3A EP3187801B1 (en) | 2014-08-29 | 2014-11-28 | Refrigerator |
| US15/505,069 US20170276420A1 (en) | 2014-08-29 | 2014-11-28 | Refrigerator |
| AU2014404815A AU2014404815B2 (en) | 2014-08-29 | 2014-11-28 | Refrigerator |
| JP2017529120A JP6423965B2 (en) | 2014-08-29 | 2014-11-28 | refrigerator |
| PCT/CN2014/092416 WO2016029576A1 (en) | 2014-08-29 | 2014-11-28 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432007.0A CN105466103A (en) | 2014-08-29 | 2014-08-29 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105466103A true CN105466103A (en) | 2016-04-06 |
Family
ID=55398706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432007.0A Pending CN105466103A (en) | 2014-08-29 | 2014-08-29 | Refrigerator |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20170276420A1 (en) |
| EP (1) | EP3187801B1 (en) |
| JP (1) | JP6423965B2 (en) |
| CN (1) | CN105466103A (en) |
| AU (1) | AU2014404815B2 (en) |
| RU (1) | RU2655212C1 (en) |
| WO (1) | WO2016029576A1 (en) |
Cited By (7)
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| CN107883664A (en) * | 2016-09-30 | 2018-04-06 | 松下电器研究开发(苏州)有限公司 | Dry preparation facilities, dry preparation method and refrigerator |
| CN108548362A (en) * | 2018-03-26 | 2018-09-18 | 青岛海尔股份有限公司 | The dehumanization method of refrigerator and dry section with dry section |
| CN110440497A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔智能技术研发有限公司 | A kind of refrigerator and its control method |
| CN110440519A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔智能技术研发有限公司 | A kind of control method of refrigerator, device, storage medium and refrigerator |
| CN110440517A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔智能技术研发有限公司 | A kind of humidity control method of refrigerator, device, storage medium and refrigerator |
| CN111121368A (en) * | 2018-11-01 | 2020-05-08 | 博西华电器（江苏）有限公司 | Refrigeration appliance and control method thereof |
| CN111854265A (en) * | 2019-04-30 | 2020-10-30 | 松下电器研究开发(苏州)有限公司 | Refrigerator and control method thereof |
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| US9994385B2 (en) | 2016-06-06 | 2018-06-12 | Google Llc | Shipping container with multiple temperature zones |
| DE102016220163A1 (en) * | 2016-10-14 | 2018-04-19 | BSH Hausgeräte GmbH | Refrigeration unit with dehydrating function and operating method for it |
| CN115507599B (en) * | 2021-06-07 | 2024-03-19 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device and control method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016029576A1 (en) | 2016-03-03 |
| AU2014404815B2 (en) | 2019-03-07 |
| JP6423965B2 (en) | 2018-11-14 |
| EP3187801A4 (en) | 2018-03-07 |
| AU2014404815A1 (en) | 2017-03-09 |
| JP2017528682A (en) | 2017-09-28 |
| RU2655212C1 (en) | 2018-05-24 |
| US20170276420A1 (en) | 2017-09-28 |
| EP3187801A1 (en) | 2017-07-05 |
| EP3187801B1 (en) | 2020-08-19 |
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Application publication date: 20160406 |
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