CN105814378B - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN105814378B
CN105814378B CN201580003063.5A CN201580003063A CN105814378B CN 105814378 B CN105814378 B CN 105814378B CN 201580003063 A CN201580003063 A CN 201580003063A CN 105814378 B CN105814378 B CN 105814378B
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China
Prior art keywords
temperature
refrigerating chamber
mentioned
compressor
refrigerator
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CN201580003063.5A
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Chinese (zh)
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CN105814378A (en
Inventor
山本浩太郎
川浪徹
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Sharp Corp
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Sharp Corp
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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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • F25B2600/02Compressor control
    • F25B2600/025Compressor control by controlling speed
    • F25B2600/0251Compressor control by controlling speed with on-off operation
    • 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
    • F25B2600/112Fan speed control of evaporator 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/12Sensors measuring the inside temperature
    • 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
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/14Sensors measuring the temperature outside the refrigerator or freezer

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

Refrigerator (1) possesses refrigerating chamber (4), refrigerating chamber (3), the compressor (10) for operating kind of refrigeration cycle, it is connected to the evaporator (7) of compressor (10) generation cold air, the pressure fan (8) that the cold air of evaporator (7) generation is sent out to refrigerating chamber (4) and refrigerating chamber (3), temperature of refrigerating chamber test section (12), outside air temperature test section (11), after 1st ceiling temperature as defined in reaching in the detection temperature of temperature of refrigerating chamber test section (12), drive compressor (10) and pressure fan (8), refrigerating chamber (4) and refrigerating chamber (3) are cooled down simultaneously, after 1st lower limit temperature as defined in reaching in the detection temperature of temperature of refrigerating chamber test section (12), stop compressor (10) and pressure fan (8).Refrigerator (1) is when outside air temperature is less than 1 refrigerating mode of defined 1st switching temperature, compared with when outside air temperature is higher than 2 refrigerating mode of the 1st switching temperature, to the high cooling capacity of refrigerating chamber (4) and refrigerating chamber (3).

Description

Refrigerator
Technical field
The present invention relates to refrigerator.
Background technology
Patent Document 1 discloses conventional refrigerator.The refrigerator for making in the pipeline that cold air circulates to refrigerating chamber, The sideboard of aperture area with increase and decrease pipeline.Also, the cold air in the opening and closing increase and decrease refrigerating chamber for passing through sideboard follows Circular rector adjusts the temperature of refrigerating chamber so as to control the duration of runs of compressor.Thus, there is provided the temperature for being not provided with refrigerating chamber passes Sensor, refrigerating chamber temperature adjustment damper cheap refrigerator.
Patent document 1:Flat No. 10-170127 of Japanese Laid-Open Patent Publication
However, above-mentioned conventional refrigerator needs to carry out opening for sideboard manually by user according to the change of outside air temperature Close.For example, ought outside air temperature is than in the case of relatively low in the winter time, if the temperature of outside air temperature and refrigerating chamber approaches, refrigerator Compressor running rate reduce, it is possible to produce refrigerating chamber reduce less than target temperature set in advance state.Therefore, make User needs to carry out the opening and closing of sideboard manually, rather trouble and inconvenient problem with use be present.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of regulation wind for the temperature adjustment for being not provided with refrigerating chamber Door, refrigerator that user is splendid without the convenience that carries out the opening and closing of sideboard etc. manually and use.
In order to solve above-mentioned problem, the present invention provides a kind of refrigerator, and it possesses:The refrigerating chamber of stored refrigerated reserve;It is cold Freeze the refrigerating chamber for preserving reserve;The compressor for operating kind of refrigeration cycle;It is connected to above-mentioned compressor and generates the evaporation of cold air Device;The pressure fan that will be sent out from the cold air that above-mentioned evaporator generates to above-mentioned refrigerating chamber and above-mentioned refrigerating chamber;Detect above-mentioned cold Hide the temperature of refrigerating chamber test section of the temperature of room;The outside air temperature test section of outside air temperature is detected, above-mentioned refrigerator is in above-mentioned refrigeration After the detection temperature of room temperature test section reaches defined 1st ceiling temperature, above-mentioned compressor and above-mentioned pressure fan are driven, Above-mentioned refrigerating chamber and above-mentioned refrigerating chamber are cooled down simultaneously, reach defined in the detection temperature of above-mentioned temperature of refrigerating chamber test section After 1st lower limit temperature, stop above-mentioned compressor and above-mentioned pressure fan, above-mentioned refrigerator is characterised by, is less than in outside air temperature During 1 refrigerating mode of defined switching temperature, with outside air temperature be higher than above-mentioned switching temperature 2 refrigerating mode when compared with, To the high cooling capacity of above-mentioned refrigerating chamber and above-mentioned refrigerating chamber.
In addition, in the refrigerator of said structure, it is characterised in that the rotating ratio the 2nd of the above-mentioned compressor of the 1st refrigerating mode The rotating speed of the above-mentioned compressor of refrigerating mode is big.
In addition, in the refrigerator of said structure, it is characterised in that the rotating ratio the 2nd of the above-mentioned pressure fan of the 1st refrigerating mode The rotating speed of the above-mentioned compressor of refrigerating mode is big.
In addition, in the refrigerator in said structure, it is characterised in that said external temperature test section is based on above-mentioned compressor Turn-off time detection outside air temperature, when above-mentioned turn-off time is longer than stipulated time, be judged as that outside air temperature is cut less than above-mentioned Change temperature, when above-mentioned turn-off time than the stipulated time in short-term, be judged as that outside air temperature is higher than above-mentioned switching temperature.
In addition, in the refrigerator of said structure, it is characterised in that cold air is sprayed from above-mentioned pressure fan to above-mentioned refrigerating chamber The flow path resistance in path of the flow path resistance in path than spraying cold air to above-mentioned refrigerating chamber is small.
In addition, in the refrigerator of said structure, it is characterised in that sprayed by above-mentioned pressure fan to above-mentioned refrigerating chamber cold The air quantity of cold air of the air quantity of gas than being sprayed to above-mentioned refrigerating chamber is more.
In addition, in the refrigerator of said structure, it is characterised in that above-mentioned refrigerator possesses the temperature for detecting above-mentioned evaporator Degree is so as to the evaporator temperature test section being controlled to the defrosting operating of above-mentioned evaporator, in above-mentioned evaporator temperature test section Detection temperature reach as defined in the detection temperature of evaporator ceiling temperature and above-mentioned temperature of refrigerating chamber test section be higher than under the 1st In the case of in the case of limiting temperature or higher than the 2nd ceiling temperature between the 1st ceiling temperature and the 1st lower limit temperature, driving Above-mentioned compressor and above-mentioned pressure fan.
In addition, in the refrigerator of said structure, it is characterised in that possess the freezing room temperature for the temperature for detecting above-mentioned refrigerating chamber Test section is spent, reaches defined refrigerating chamber ceiling temperature and above-mentioned refrigerating chamber in the detection temperature of above-mentioned freezer temperature test section In the case that the detection temperature of temperature detecting part is higher than the 1st lower limit temperature, above-mentioned compressor and above-mentioned pressure fan are driven.
According to the structure of the present invention, using the teaching of the invention it is possible to provide the refrigerator of the damper of the temperature adjustment of refrigerating chamber is not provided with, and Carry out the opening and closing of sideboard etc. manually without using person, the convenience used is splendid.
Brief description of the drawings
Fig. 1 is the vertical sectional side view of the refrigerator of first embodiment of the present invention.
Fig. 2 is the front view of the refrigerator of first embodiment of the present invention.
Fig. 3 is the block diagram of the composition for the refrigerator for representing first embodiment of the present invention.
Fig. 4 be first embodiment of the present invention refrigerator compressor and pressure fan drive control explanation figure.
Fig. 5 is the curve map of the temperature change of the refrigerating chamber for the refrigerator for representing first embodiment of the present invention.
Fig. 6 is to be illustrated for refrigerator, corresponding with the outside air temperature cooling control to first embodiment of the present invention Curve map.
Fig. 7 be represent first embodiment of the present invention refrigerator refrigerating chamber and refrigerating chamber temperature change curve map.
Fig. 8 be represent first embodiment of the present invention refrigerator refrigerating chamber and refrigerating chamber temperature change curve map.
Fig. 9 is to be illustrated for refrigerator, corresponding with the outside air temperature cooling control to second embodiment of the present invention Curve map.
Figure 10 be third embodiment of the present invention refrigerator compressor and pressure fan drive control explanation figure.
Figure 11 be fourth embodiment of the present invention refrigerator compressor and pressure fan drive control explanation figure.
Figure 12 be for refrigerating chamber refrigerator, corresponding with outside air temperature to 3rd and the 4th embodiment of the invention with And the curve map that the temperature of refrigerating chamber illustrates.
Figure 13 is the block diagram of the composition for the refrigerator for representing fifth embodiment of the present invention.
Embodiment
Hereinafter, embodiments of the present invention are illustrated based on Fig. 1~Figure 13.
The embodiment > of < the 1st
First, the structure of the refrigerator of the 1st embodiment of the present invention is said with the overview acted using Fig. 1~Fig. 3 It is bright.Fig. 1 and Fig. 2 is respectively the vertical sectional side view and front view of refrigerator, and Fig. 3 is the block diagram for the composition for representing refrigerator. In Fig. 1, left is the front face side of refrigerator, and right is the rear side of refrigerator.In addition, Fig. 1 and Fig. 2 are omitted in the front of refrigerator The description of the door of setting and the demarcation strip between the cold air path of the rear side setting of refrigerating chamber and the inside of refrigerating chamber.
Refrigerator 1 possesses the main body casing 2 of heat insulation structural as shown in Figure 1 and Figure 2.Inside main body casing 2, have on upper strata The refrigerating chamber 3 of the reserves such as standby freezen protective food, possesses the refrigerating chamber 4 of the reserves such as stored refrigerated food in lower floor.Freezing Pass through the door opening and closing (not shown) of different heat insulation structurals before room 3 and refrigerating chamber 4 respectively.Refrigerating chamber 3 and refrigerating chamber 4 it Between separated by lattice 5.
The cold air path 6 extended along the above-below direction in refrigerator is provided with the rear of refrigerating chamber 3.In cold air path 6 Inside is configured with evaporator 7 and pressure fan 8 as cooler.Pressure fan 8 is configured in cold air circulation side relative to evaporator 7 Downstream side.Cold air path 6 be branched off into the downstream of pressure fan 8 to refrigerating chamber 3 spray the path 6F of cold air with to refrigerating chamber 4 Spray the path 6R of cold air.In path, 6F is provided with the ejiction opening 6a for the cold air of refrigerating chamber 3, in path 6R be provided with for The ejiction opening 6b of the cold air of refrigerating chamber 4.In the prior art, in path, 6R is provided with the cold air flows such as sideboard limitation machine Structure, flow is manually set by user.It is provided with the cold air of the inside of refrigerating chamber 4 at the rear of refrigerating chamber 4 to evaporator 7 The communication channel (not shown) that cold air circulating direction upstream side returns.
After pressure fan 8 is driven, internal circulation of the air along cold air path 6.In the cold air circulating direction upstream of pressure fan 8 Side, air during evaporator 7 by being cooled into cold air.In the downstream of pressure fan 8, cold air is via ejiction opening 6a to freezing Room 3 sprays, and is sprayed via ejiction opening 6b to refrigerating chamber 4.
In addition, cold air path 6 be formed as from pressure fan 8 to refrigerating chamber 3 spray cold air path 6F and ejiction opening 6a with The path 6R and ejiction opening 6b for spraying cold air from pressure fan 8 to refrigerating chamber 4 are compared, and flow path resistance is small.Such as Fig. 1 and Fig. 2 institutes Show, path 6F is formed as breadth and path length is shorter, larger in the ejiction opening 6a of the opening of refrigerating chamber 3 in addition.On the other hand, road Footpath 6R is formed as relatively thin and path length is longer, smaller than ejiction opening 6a in the ejiction opening 6b of the opening of refrigerating chamber 4 in addition.Thus, pass through The air quantity of cold air of the air quantity for the cold air that pressure fan 8 sprays to refrigerating chamber 3 than being sprayed to refrigerating chamber 4 is more.
Machine Room 9 is formed in the lower backside of main body casing 2.Configuration makes the compression that kind of refrigeration cycle operates in Machine Room 9 Machine 10.In addition, the side of the left and right of main body casing 2, above, among the wall portion such as the back side, arrange the surface via main body casing 2 Deng the condenser (not shown) of radiating.
In addition, refrigerator 1 possesses outside air temperature test section 11, temperature of refrigerating chamber test section 12 and evaporator as shown in Figure 3 Temperature detecting part 13.Outside air temperature test section 11 detects the outside air temperature of the exterior circumferential of refrigerator 1.Temperature of refrigerating chamber test section 12 Detect the storage temperature of the inside of refrigerating chamber 4.Evaporator temperature test section 13 is configured near evaporator 7.Evaporator temperature Test section 13 is for the defrosting operating for controlling the frosting of evaporator 7 with eliminating the frosting, the temperature of detection evaporator 7.
Refrigerator 1 contains the control unit 14 shown in Fig. 3 to carry out overall action control in main body casing 2.Control Portion 14 possesses operational part (not shown), storage part etc., based on program, the data for storing, inputting in storage part etc., controls compressor 10th, the driving of pressure fan 8 etc., operates kind of refrigeration cycle, so as to which ice the temperature inside the box is maintained into target temperature set in advance.When When carrying out the operating, refrigerator 1 of the control unit 14 based on outside air temperature test section 11 and the detection of temperature of refrigerating chamber test section 12 The outside air temperature of exterior circumferential, refrigerating chamber 4 inside temperature, control the structural element of correlation, realize suitable operating.Enter And control unit 14 based on the temperature information related to the frosting of evaporator 7 drawn by evaporator temperature test section 13 to correlation Structural element be controlled.
Then, it is described in detail using cooling operatings of Fig. 4~Fig. 6 to refrigerator 1.Fig. 4 be refrigerator 1 compressor 10 with And the explanation figure of the drive control of pressure fan 8, Fig. 5 are the curve map for the temperature change for representing refrigerating chamber, Fig. 6 is for refrigerator 1, corresponding with the outside air temperature curve map that illustrates of cooling control.
In addition, Fig. 5 transverse axis represents the time, the longitudinal axis represents the temperature of refrigerating chamber Rt of refrigerator 1.In addition, Fig. 6 transverse axis represents The outside air temperature (DEG C) of refrigerator 1, the longitudinal axis represent the temperature (DEG C) of (refrigerating chamber 4 and refrigerating chamber 3) in the refrigerator of refrigerator 1.Fig. 6 is By testing the result that draws, is recorded respectively for 3 kinds of rotating speeds (1600rpm, 3200rpm, 4200rpm) of compressor 10 and Temperature of refrigerating chamber corresponding to outside air temperature and freezer temperature.
The temperature of refrigerating chamber Rt switching compressors 10 and send that control unit 14 is detected based on temperature of refrigerating chamber test section 12 The break-make (on/off) of the driving of blower fan 8, and control refrigerating chamber 4 temperature maintain target temperature set in advance (such as 4℃)。
As shown in figure 4, control unit 14 reaches defined in the temperature of refrigerating chamber Rt that temperature of refrigerating chamber test section 12 detects After 1st ceiling temperature, compressor 10 and pressure fan 8 (driving is connected) are driven, refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously. In addition, control unit 14 reach in the temperature of refrigerating chamber Rt that temperature of refrigerating chamber test section 12 detects as defined in after the 1st lower limit temperature, Stop the driving of compressor 10 and pressure fan 8 (driving disconnects).Further, since the 1st ceiling temperature is set to than the 1st lower limit The high temperature of temperature, therefore temperature of refrigerating chamber Rt is controlled between the 1st ceiling temperature and the 1st lower limit temperature.For example, work as mesh In the case that mark temperature is set to 4 DEG C, the 1st ceiling temperature is set to 6 DEG C, and the 1st lower limit temperature is set to 2 DEG C.
In addition, control unit 14 detected based on outside air temperature test section 11 outside air temperature switching the 1st refrigerating mode, Cooling operating is performed under 2nd refrigerating mode and the 3rd refrigerating mode.1st refrigerating mode, the 2nd refrigerating mode and the 3rd cooling mould Formula controlled respectively as shown in fine dotted line in Fig. 6 freezer temperature be allowed to be maintained target temperature set in advance, such as -18 DEG C with Under.
As shown in fig. 6, the 2nd refrigerating mode outside air temperature be defined temperature range (such as more than 20 DEG C, less than 35 DEG C) in the case of be performed.In the 2nd refrigerating mode, the rotating speed of compressor 10 is for example set as 1600rpm, can be realized The energy-saving operation of refrigerator 1.
Then, figure 7 illustrates the temperature of refrigerating chamber Rt under the 2nd refrigerating mode and freezer temperature Ft change. In the example of the outside air temperature, when by the rotating speed of compressor 10 be set to 1600rpm and control temperature of refrigerating chamber Rt be in the 1st upper limit In the case of between temperature and the 1st lower limit temperature, the driving turn-on time of compressor 10 and pressure fan 8 is Ton2, and driving is disconnected ETAD expected time of arrival and departure is Toff2.In addition, freezer temperature Ft generally refrigerating chamber target temperatures now.
Next, figure 8 illustrates the feelings that outside air temperature is the temperature less than defined 1st switching temperature (such as 20 DEG C) The change of temperature of refrigerating chamber Rt and freezer temperature Ft under condition (the 1st refrigerating mode).When the situation that outside air temperature is low temperature Under, because the difference of temperature of refrigerating chamber Rt and outside air temperature is smaller, therefore the driving turn-on time of compressor 10 and pressure fan 8 becomes Short (Ton1 < Ton2).In addition, the temperature of the refrigerating chamber 4 when compressor 10 and the driving of pressure fan 8 disconnect, which rises, also becomes slow Slowly (Toff1 > Toff2).That is, the ratio (running rate) that the driving of compressor 10 and pressure fan 8 is connected reduces.In this feelings Under condition, if being to cool down cold with the 2nd above-mentioned refrigerating mode identical 1600rpm, presence by the speed setting of compressor 10 Freeze time of room 3 not enough, refrigerating chamber 3 do not reach the situation of target temperature.
Therefore, it is such as 4200rpm by the speed setting of compressor 10, with the 2nd refrigerating mode in the 1st refrigerating mode When compare, improve the cooling capacity to refrigerating chamber 4 and refrigerating chamber 3.Thus, even if also can will be cold within the short time (Ton1) Freeze room 3 and be cooled to target temperature.
In the case that rotating speed of lifting compressor 10 etc. improves cooling capacity, not only the cooling capacity of refrigerating chamber 3 improves, The cooling capacity of refrigerating chamber 4 also improves.Therefore, the slope of the droop line (doublet) of the temperature of refrigerating chamber Rt in Fig. 8 also increases, Strictly speaking compressor 10 and the driving turn-on time Ton1 of pressure fan 8 shorten.However, shown in as shown in Figure 1, Figure 2, due to The path 6R of the ejection cold air of refrigerating chamber 4 flow path resistances compared with the path 6F of cold air is sprayed to refrigerating chamber 3 are bigger, therefore cool down energy The increase and decrease of power is smaller than being influenceed caused by the temperature change to refrigerating chamber 3 to being influenceed caused by the temperature change of refrigerating chamber 4.That is, carry In the case of high cooling capacity, the shortening of driving turn-on time Ton1 of compressor 10 and pressure fan 8 is little, therefore freezes The increase of the slope of room temperature Ft droop line can be reduced directly to the temperature of refrigerating chamber 3 and impacted.So by outside Cooling capacity is improved in the 1st low refrigerating mode of temperature, temperature of refrigerating chamber Rt is able to maintain that and turns into freezer temperature Ft Target temperature.
3rd refrigerating mode is performed in the case where the 2nd switching temperature (such as 35 DEG C) as defined in outside air temperature ratio is high. In 3rd refrigerating mode, the rotating speed of compressor 10 is for example set as 4200rpm, when 2 refrigerating mode compared with, to refrigerating chamber 4 And the cooling capacity of refrigerating chamber 3 improves.
In the case that outside air temperature is high temperature, temperature of refrigerating chamber Rt as shown in Figure 6 rises, therefore by lifting compressor 10 rotating speed etc. improves cooling capacity so that temperature of refrigerating chamber Rt is remained into target temperature.Now, compressor 10 and send The ratio (running rate) that the driving of blower fan 8 is connected is higher than the 2nd refrigerating mode, therefore cooling capacity also raises.Thus, refrigerating chamber 3 Cooled down for a long time with high cooling capacity, there is a possibility that freezer temperature Ft turns into below target temperature.However, due to As long as refrigerating chamber 3 below, therefore in temperature descender no problem, can use in defined temperature (such as -18 DEG C).
So, in the refrigerator 1 of the damper of temperature adjustment of refrigerating chamber 4 is not provided with, even if user does not pass through The opening and closing of sideboard etc. manually sets the air conditioning quantity in path 6R circulations, also can automatically control refrigerating chamber 4 and cold Freeze room 3 temperature be allowed to maintain target temperature set in advance (such as 4 DEG C of temperature of refrigerating chamber, -18 DEG C of freezer temperature with Under).
In the prior art, such as in the winter time outside air temperature is than in the case of relatively low, in order to avoid refrigerating chamber reduce less than Target temperature set in advance sprays the air conditioning quantity that the path of cold air is circulated from pressure fan to refrigerating chamber, it is necessary to manually set edge, To reduce the air quantity of the cold air sprayed to refrigerating chamber.On the other hand, the refrigerator 1 of above-mentioned embodiment is less than the in outside air temperature During the temperature of 1 switching temperature, make compressor 10 in the 1st refrigerating mode the refrigerating mode of rotating ratio the 2nd it is big.If with higher Rotating speed drives compressor 10, then refrigerating chamber 4 be present and refrigerating chamber 3 is rapidly cooled, the running rate of compressor 10 reduces can Energy property, but due to spraying the path 6R of cold air flow path resistance ratio from pressure fan 8 to refrigerating chamber 4 from pressure fan 8 to refrigerating chamber 3 It is big to spray the path 6F of cold air flow path resistance, therefore the cooling velocity of refrigerating chamber 4 is almost unchanged, the running rate of compressor 10 Less decline.On the other hand, because path 6F flow path resistance is small, therefore formed with higher rotating speed driving compressor 10 The raising of cooling capacity will directly make freezer temperature Ft reductions.As a result, refrigerating chamber 3 is reduced to target temperature set in advance Degree.
In addition, in the above-described embodiment, pair during in order to improve in 1 refrigerating mode compared with when 2 refrigerating mode The cooling capacity of refrigerating chamber 4 and refrigerating chamber 3, make the compressor 10 of the 1st refrigerating mode the refrigerating mode of rotating ratio the 2nd it is big, The big of the refrigerating mode of rotating ratio the 2nd of the pressure fan 8 of the 1st refrigerating mode can also but be made.In addition, for example can also be with the 2nd Refrigerating mode is compared by reducing the amount of restriction of the expansion valve (not shown) of the kind of refrigeration cycle in the 1st refrigerating mode diminution etc. The temperature of evaporator 7, so as to lift cooling capacity.
The embodiment > of < the 2nd
Next, the refrigerator of second embodiment of the present invention is illustrated using Fig. 9.Fig. 9 be for refrigerator with it is outer The curve map that cooling control corresponding to portion's temperature illustrates.In addition, the basic structure of the embodiment is with being described above The 1st embodiment it is identical, therefore for being marked and identical reference above with the 1st embodiment identical structural element And omit its description.
Fig. 9 is identical with Fig. 6, and transverse axis represents the outside air temperature (DEG C) of refrigerator 1, and the longitudinal axis represents (refrigerating chamber 4 in the case of refrigerator 1 And refrigerating chamber 3) temperature (DEG C).
In the refrigerator 1 of 2nd embodiment, disconnection (OFF) time detecting of outside air temperature test section 11 based on compressor 10 Outside air temperature.Refrigerator 1 is judged as outside gas when the turn-off time of compressor 10 is longer than the 1st stipulated time (such as 60 minutes) Temperature be less than the 1st switching temperature (such as 20 DEG C), compressor 10 turn-off time than the 1st stipulated time in short-term, be judged as outside Temperature is higher than the 1st switching temperature (such as 20 DEG C).And then refrigerator 1 compressor 10 turn-off time than the 2nd stipulated time (example Such as 20 minutes) in short-term, it is judged as that outside air temperature is higher than the 2nd switching temperature (such as 35 DEG C), in the turn-off time ratio of compressor 10 When 2nd stipulated time is long, it is judged as that outside air temperature is less than the 2nd switching temperature (such as 35 DEG C).
On such outside air temperature and the relation of the turn-off time of compressor 10, in the lower section of Fig. 9 transverse axis and refrigerator 1 Outside air temperature (DEG C) the corresponding turn-off time (min) for recording compressor 10.According to Fig. 9, refrigerator 1 is in the disconnection of compressor 10 Between be in the case of more than 60 minutes, with the operating of the 1st refrigerating mode, 20 minutes less than 60 minutes in the case of with the 2 refrigerating modes operate, and are operated in the case of less than 20 minutes with the 3rd refrigerating mode.
The refrigerator 1 of 2nd embodiment is also identical with the 1st embodiment, automatically controls refrigerating chamber 4 and refrigerating chamber 3 Temperature is allowed to be maintained target temperature set in advance (such as 4 DEG C of temperature of refrigerating chamber, -18 DEG C of freezer temperature below).
The embodiment > of < the 3rd
Next, the refrigerator of third embodiment of the present invention is illustrated using Figure 10.Figure 10 be refrigerator compressor with And the explanation figure of the drive control of pressure fan.In addition, the basic structure of the embodiment and the 1st embodiment being described above It is identical, thus for the 1st embodiment identical structural element mark with identical reference above and omit to its Explanation.
If here, attempt to control with not detecting the temperature of refrigerating chamber 3 the temperature of refrigerating chamber 3 be allowed to maintain it is set in advance Target temperature, then when outside air temperature is than that must make the rotating speed of compressor 10 rise to highest in the case of relatively low.
Therefore, evaporator temperature detects in the case that the refrigerator 1 of the 3rd embodiment when the driving of compressor 10 using disconnecting The temperature feature almost identical with the temperature of refrigerating chamber 3 that portion 13 is detected performs the driving control of compressor 10 and pressure fan 8 System.Thus, the temperature of refrigerating chamber Rt and evaporator temperature that the control unit 14 of refrigerator 1 is detected based on temperature of refrigerating chamber test section 12 The evaporator temperature Et that test section 13 detects, switch the break-make of the driving of compressor 10 and pressure fan 8, control refrigerating chamber 4 Temperature be maintained target temperature set in advance (such as 4 DEG C).
As shown in Figure 10, as defined in control unit 14 reaches in the temperature of refrigerating chamber Rt that temperature of refrigerating chamber test section 12 detects After 1st ceiling temperature, compressor 10 and pressure fan 8 (driving is connected) are driven, refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously. And then control unit 14 reaches defined evaporator ceiling temperature in the evaporator temperature Et that evaporator temperature test section 13 detects And in the case that the temperature of refrigerating chamber Rt detected of temperature of refrigerating chamber test section 12 is higher than the 1st lower limit temperature, driving compression Machine 10 and pressure fan 8 (driving is connected), refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously.
According to the structure, if evaporator temperature Et reaches defined evaporator ceiling temperature, even if temperature of refrigerating chamber Rt is not up to the 1st ceiling temperature, still drives compressor 10 and pressure fan 8 (driving is connected), also can cooling and refrigeration room 4 and Refrigerating chamber 3.Therefore, even if outside air temperature is relatively low, the running rate of compressor 10 and pressure fan 8 can not ensure more than setting In the state of, rear-guard can also be risen in the temperature for detecting evaporator temperature Et and move compressor 10 and pressure fan 8.Therefore, Also may be used even if not setting with compressor 10 and the running rate of pressure fan 8 cooling capacity corresponding less than the state of setting.Institute With, without increasing the variable range of cooling capacity, can larger outside air temperature scope by refrigerating chamber 4 and refrigerating chamber 3 Temperature maintain target temperature set in advance.
The embodiment > of < the 4th
Next, the refrigerator of fourth embodiment of the present invention is illustrated using Figure 11.Figure 11 be refrigerator compressor with And the explanation figure of the drive control of pressure fan.In addition, the basic structure of the embodiment and the 1st embodiment party being described above Formula is identical, therefore for marking and identical reference above and omitting to it with the 1st embodiment identical structural element Explanation.
The refrigerator 1 of 4th embodiment is compared with the 3rd embodiment, in order to realize more preferably cooling operating, in refrigeration room temperature The 2nd ceiling temperature is set between degree Rt the 1st ceiling temperature and the 1st lower limit temperature, by temperature of refrigerating chamber Rt control temperature model Enclose and ensure constant range (minimal difference).
As shown in figure 11, as defined in control unit 14 reaches in the temperature of refrigerating chamber Rt that temperature of refrigerating chamber test section 12 detects After 1st ceiling temperature, compressor 10 and pressure fan 8 (driving is connected) are driven, refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously. And then control unit 14 reaches the defined evaporator upper limit in the evaporator temperature Et detected of evaporator temperature test section 13 In the case that the temperature of refrigerating chamber Rt detected of temperature and temperature of refrigerating chamber test section 12 is higher than the 2nd ceiling temperature, driving Compressor 10 and pressure fan 8 (driving is connected), refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously.
In addition, in the refrigerator 1, temperature of the outside air temperature test section 11 based on refrigerating chamber 4 rises to temperature during 2 ceiling temperature The rise time is spent to detect outside air temperature.Refrigerator 1 is advised in the ramp-up time for rising to the 2nd ceiling temperature of refrigerating chamber 4 than the 3rd Fix time (such as 20 minutes) it is long when, be judged as that outside air temperature is less than the 1st switching temperature (such as 20 DEG C), in the liter of refrigerating chamber 4 To the 2nd ceiling temperature ramp-up time than the 3rd stipulated time in short-term, be judged as that outside air temperature is higher than the 1st switching temperature (example Such as 20 DEG C).And then refrigerator 1 refrigerating chamber 4 the ramp-up time for rising to the 2nd ceiling temperature than the 4th stipulated time (such as 10 minutes) in short-term, it is judged as that outside air temperature is higher than the 2nd switching temperature (such as 35 DEG C), the 2nd upper limit temperature is risen in refrigerating chamber 4 When the ramp-up time of degree is longer than the 4th stipulated time, it is judged as that outside air temperature is less than the 2nd switching temperature (such as 35 DEG C).
On the relation of such outside air temperature and the ramp-up time for rising to the 2nd ceiling temperature of refrigerating chamber 4, scheming The lower section of the 12 transverse axis temperature for rising to the 2nd ceiling temperature for recording refrigerating chamber 4 corresponding with the outside air temperature (DEG C) of refrigerator 1 rises Time (min).According to Figure 12, refrigerator 1 is more than 20 minutes in the ramp-up time for rising to the 2nd ceiling temperature of refrigerating chamber 4 In the case of, with the 1st refrigerating mode operate, for 10 minutes less than 20 minutes in the case of with the 2nd refrigerating mode transport Turn, operated in the case of less than 10 minutes with the 3rd refrigerating mode.
When starting the driving of compressor 10 and pressure fan 8 using the 2nd ceiling temperature of refrigerating chamber 4 in the case of, by In ensuring minimal difference between the 2nd ceiling temperature and the 1st lower limit temperature, therefore compressor 10 in a short time can be prevented And the on/off action (vibration) of pressure fan 8, i.e., refrigerate room temperature after the driving of compressor 10 and pressure fan 8 is started The situation that degree Rt reaches the 1st lower limit temperature and causes the driving of compressor 10 and pressure fan 8 to stop immediately.
Figure 12 illustrates it is in the case of the 3rd embodiment and the 4th embodiment is used, for illustrating and refrigerator The curve map of the temperature of refrigerating chamber 4 and refrigerating chamber 3 corresponding to 1 outside air temperature.As seen from Figure 12, when outside air temperature be less than Within the temperature range of about 20 DEG C, corresponding freezer temperature is real relative to the 1st and the 2nd respectively with 3 kinds of rotating speeds of compressor 10 Applying mode (freezer temperature shown in solid in Figure 12) reduces (freezer temperature shown in dotted lines in Figure 12).This is due to: In the case of evaporator ceiling temperature as defined in reaching as evaporator temperature Et, even if temperature of refrigerating chamber Rt not up to as defined in the 1 ceiling temperature also drives compressor 10 and pressure fan 8 (driving is connected), and refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously, because This is even if the extreme reduction that outside air temperature is that low temperature can also suppress running rate.
Thus, as shown in figure 12, can be 3200rpm by the speed setting of the compressor 10 during 1 refrigerating mode, with 1 and the 2nd embodiment, which is compared, to drive compressor 10 with the slow-speed of revolution.That is, the high-efficiency operation of refrigerator 1 can be made, so as to Realize energy-saving.
The embodiment > of < the 5th
Next, the refrigerator of fifth embodiment of the present invention is illustrated using Figure 13.Figure 13 is the composition for representing refrigerator Block diagram.In addition, the basic structure of the embodiment is identical with the 1st embodiment being described above, thus for it is the 1st real Apply mode identical structural element mark and above identical reference and omit its description.
The refrigerator 1 of 5th embodiment possesses freezer temperature test section 15 as shown in figure 13.Freezer temperature test section 15 Detect the storage temperature of the inside of refrigerating chamber 3.
Instead of the evaporator temperature test section 13 utilized in the 3rd and the 4th embodiment, refrigerator 1 transfers to utilize freezing Room temperature test section 15 performs the drive control of compressor 10 and pressure fan 8.Thus, the control unit 14 of refrigerator 1 is based on refrigeration The temperature for the refrigerating chamber 3 that the temperature for the refrigerating chamber 4 that room temperature test section 12 detects detects with freezer temperature test section 15, Switch the break-make of the driving of compressor 10 and pressure fan 8, the temperature of control refrigerating chamber 4 is maintained target temperature set in advance (such as 4 DEG C).The temperature for the refrigerating chamber 3 that control unit 14 detects in freezer temperature test section 15 reaches on defined refrigerating chamber In the case that the temperature for the refrigerating chamber 4 that limit temperature and temperature of refrigerating chamber test section 12 detect is higher than the 1st lower limit temperature, driving pressure Contracting machine 10 and pressure fan 8 (driving is connected), refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously.
As described above, refrigerator 1 possesses:The refrigerating chamber 4 of stored refrigerated reserve, the refrigerating chamber 3 of freezen protective reserve, make Kind of refrigeration cycle operating compressor 10, be connected to compressor 10 and generate cold air evaporator 7, will be generated by evaporator 7 it is cold Pressure fan 8 that gas is sent out to refrigerating chamber 4 and refrigerating chamber 3, the temperature of refrigerating chamber test section 12 of temperature for detecting refrigerating chamber 4, inspection The outside air temperature test section 11 of outside air temperature is surveyed, reaches defined 1st upper limit in the detection temperature of temperature of refrigerating chamber test section 12 After temperature, compressor 10 and pressure fan 8 are driven, refrigerating chamber 4 and refrigerating chamber 3 are cooled down simultaneously, reaching the defined 1st Stop compressor 10 and pressure fan 8 after lower limit temperature.Also, refrigerator 1 is less than defined 1st switching temperature in outside air temperature During 1 refrigerating mode of (such as 20 DEG C), to refrigerating chamber 4 when being higher than 2 refrigerating mode of the 1st switching temperature compared to outside air temperature And the high cooling capacity of refrigerating chamber 3.
According to the structure, refrigerator 1 in 1 refrigerating mode, such as by control compressor 10, pressure fan 8 rotating speed etc. And improve cooling capacity relative in 2 refrigerating mode.Thus, opening and closing of the user without carrying out sideboard etc. manually, The temperature of refrigerating chamber 4 can be automatically regulated.
In addition, rotating speed (4200rpm or 3200rpm) ratio of compressor 10 of the refrigerator 1 under the 1st refrigerating mode is the 2nd The rotating speed (1600rpm) of compressor 10 under refrigerating mode is big.According to the structure, compressed in 1 refrigerating mode by controlling The rotating speed of machine 10, can be than improving cooling capacity during 2 refrigerating mode.Therefore, it is possible to easily adjust the temperature of refrigerating chamber 4.
In addition, in refrigerator 1, can also the 1st refrigerating mode pressure fan 8 the refrigerating mode of rotating ratio the 2nd it is big.According to this Structure, can be than improving cooling capacity in 1 refrigerating mode by controlling the rotating speed of pressure fan 8 during 2 refrigerating mode.Cause This, easily adjusts the temperature of refrigerating chamber 4.
In addition, turn-off time detection outside air temperature of the outside air temperature test section 11 of refrigerator 1 based on compressor 10, is compressing The turn-off time of machine 10 be judged as when longer than the 1st stipulated time (such as 60 minutes) outside air temperature less than the 1st switching temperature (such as 20 DEG C), compressor 10 turn-off time than the 1st stipulated time in short-term, be judged as that outside air temperature is higher than the 1st switching temperature (example Such as 20 DEG C).According to the structure, the sensor without using directly detecting outside air temperature etc. is used as outside air temperature test section 11, just Outside air temperature can be estimated.It is therefore not necessary to directly sensor of detection outside air temperature etc. is set, so as to reduce component count Amount, manufacturing process.
In addition, the path 6F and ejiction opening 6a of the cold air path 6 that cold air is sprayed from pressure fan 8 to refrigerating chamber 3 of refrigerator 1 Flow path resistance is smaller compared with the path 6R and ejiction opening 6b of cold air path 6 of cold air are sprayed to refrigerating chamber 4.Also, refrigerator 1 The air quantity of cold air of the air quantity of the cold air sprayed by pressure fan 8 to refrigerating chamber 3 than being sprayed to refrigerating chamber 4 is more.According to these knots Structure, it is easier to cool down refrigerating chamber 3 compared to refrigerating chamber 4.That is, compared with refrigerating chamber 4, temperature is more easy to reduce refrigerating chamber 3.Therefore, nothing Damper, sideboard etc. need to be set, it becomes possible to easily by the temperature of refrigerating chamber 4 and the temperature of refrigerating chamber 3 according to respectively Target temperature set in advance is managed.
In addition, refrigerator 1 possesses the temperature for detecting evaporator 7 and controls the evaporator temperature of the defrosting operating of evaporator 7 Spend test section 13.In addition, refrigerator 1 reaches defined evaporator ceiling temperature simultaneously in the detection temperature of evaporator temperature test section 13 And in the case that the detection temperature of temperature of refrigerating chamber test section 12 is higher than the 1st lower limit temperature or higher than the 1st ceiling temperature and the 1st In the case of the 2nd ceiling temperature between lower limit temperature, compressor 10 and pressure fan 8 are driven., being capable of foundation according to the structure The detection temperature of evaporator temperature test section 13 speculates the temperature of refrigerating chamber 3.Therefore, it is possible to carry out refrigerating chamber with more preferable precision 4 and the temperature adjustment of refrigerating chamber 3.
In addition, refrigerator 1 possesses the freezer temperature test section 15 of the temperature of detection refrigerating chamber 3.In addition, refrigerator 1 is freezing The detection temperature of room temperature test section 15 reaches the detection temperature of defined refrigerating chamber ceiling temperature and temperature of refrigerating chamber test section 12 Degree drives compressor 10 and pressure fan 8 in the case of being higher than the 1st lower limit temperature., can be by freezing room temperature according to the structure Degree test section 15 directly detects the temperature of refrigerating chamber 3.Therefore, it is possible to higher precision progress refrigerating chamber 4 and refrigerating chamber 3 Temperature adjustment.
In addition, the structure according to the above-mentioned embodiment of the present invention, using the teaching of the invention it is possible to provide be not provided with the temperature adjustment of refrigerating chamber 4 The refrigerator 1 of damper, user are very convenient without the opening and closing and use for carrying out sideboard etc. manually.
More than, it is illustrated for embodiments of the present invention, but the scope of the present invention is not limited thereto, not Various changes can be carried out in the range of the purport of disengaging invention to be practiced.
Industrial applicibility
The present invention can be used in refrigerator.
Description of reference numerals
1 refrigerator
2 main body casings
3 refrigerating chambers
4 refrigerating chambers
6 cold air paths
6F, 6R path
7 evaporators
8 pressure fan
10 compressors
11 outside air temperature test sections
12 temperature of refrigerating chamber test sections
13 evaporator temperature test sections
14 control units
15 freezer temperature test sections

Claims (9)

1. a kind of refrigerator, possesses:The refrigerating chamber of stored refrigerated reserve;The refrigerating chamber of freezen protective reserve;Make kind of refrigeration cycle The compressor of operating;It is connected to above-mentioned compressor and generates the evaporator of cold air;The cold air generated by above-mentioned evaporator is upward State the pressure fan that refrigerating chamber and above-mentioned refrigerating chamber are sent out;Detect the temperature of refrigerating chamber test section of the temperature of above-mentioned refrigerating chamber;Inspection The outside air temperature test section of outside air temperature is surveyed, above-mentioned refrigerator reaches defined in the detection temperature of above-mentioned temperature of refrigerating chamber test section After 1st ceiling temperature, above-mentioned compressor and above-mentioned pressure fan are driven, above-mentioned refrigerating chamber and above-mentioned refrigerating chamber is simultaneously cold But as defined in, and in the detection temperature of above-mentioned temperature of refrigerating chamber test section reaching after the 1st lower limit temperature, stop above-mentioned compressor with And above-mentioned pressure fan,
Above-mentioned refrigerator is characterised by,
Outside air temperature is less than the 1st refrigerating mode of the situation of defined switching temperature, with outside air temperature be above-mentioned switching temperature with On high temperature Qing Condition the 2nd refrigerating mode compare, to the high cooling capacity of above-mentioned refrigerating chamber and above-mentioned refrigerating chamber.
2. refrigerator according to claim 1, it is characterised in that
The rotating speed of the above-mentioned compressor of the refrigerating mode of rotating ratio the 2nd of the above-mentioned compressor of 1st refrigerating mode is big.
3. refrigerator according to claim 1, it is characterised in that
Turn-off time detection outside air temperature of the said external temperature test section based on above-mentioned compressor, when above-mentioned turn-off time is than advising When fixing time long, be judged as that outside air temperature is less than above-mentioned switching temperature, when above-mentioned turn-off time than the stipulated time in short-term, be judged as Outside air temperature is higher than above-mentioned switching temperature.
4. refrigerator according to claim 2, it is characterised in that
Turn-off time detection outside air temperature of the said external temperature test section based on above-mentioned compressor, when above-mentioned turn-off time is than advising When fixing time long, be judged as that outside air temperature is less than above-mentioned switching temperature, when above-mentioned turn-off time than the stipulated time in short-term, be judged as Outside air temperature is higher than above-mentioned switching temperature.
5. refrigerator according to claim 1, it is characterised in that
The flow path resistance in the path of cold air is sprayed from above-mentioned pressure fan to above-mentioned refrigerating chamber than spraying cold air to above-mentioned refrigerating chamber The flow path resistance in path is small.
6. refrigerator according to claim 2, it is characterised in that
The flow path resistance in the path of cold air is sprayed from above-mentioned pressure fan to above-mentioned refrigerating chamber than spraying cold air to above-mentioned refrigerating chamber The flow path resistance in path is small.
7. refrigerator according to claim 3, it is characterised in that
The flow path resistance in the path of cold air is sprayed from above-mentioned pressure fan to above-mentioned refrigerating chamber than spraying cold air to above-mentioned refrigerating chamber The flow path resistance in path is small.
8. refrigerator according to claim 4, it is characterised in that
The flow path resistance in the path of cold air is sprayed from above-mentioned pressure fan to above-mentioned refrigerating chamber than spraying cold air to above-mentioned refrigerating chamber The flow path resistance in path is small.
9. the refrigerator according to any one in claim 1~8, it is characterised in that
Above-mentioned refrigerator possesses for detecting the temperature of above-mentioned evaporator so as to be controlled to the defrosting operating of above-mentioned evaporator Evaporator temperature test section, the detection temperature of above-mentioned evaporator temperature test section reach as defined in evaporator ceiling temperature and In the case that the detection temperature of above-mentioned temperature of refrigerating chamber test section is higher than the 1st lower limit temperature or higher than the 1st ceiling temperature and the 1st In the case of the 2nd ceiling temperature between lower limit temperature, above-mentioned compressor and above-mentioned pressure fan are driven.
CN201580003063.5A 2014-03-07 2015-01-15 Refrigerator Active CN105814378B (en)

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CN106196827B (en) * 2016-07-21 2018-11-20 合肥美的电冰箱有限公司 Make ice refrigerator
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JP2021042861A (en) * 2017-12-28 2021-03-18 シャープ株式会社 refrigerator
CN109883132A (en) * 2019-01-28 2019-06-14 珠海格力电器股份有限公司 Refrigerator control method and device, storage medium and refrigerator
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KR102412061B1 (en) * 2020-11-30 2022-06-23 엘지전자 주식회사 Refrigerator and control method thereof
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