EP2607822A2 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
EP2607822A2
EP2607822A2 EP12008349.8A EP12008349A EP2607822A2 EP 2607822 A2 EP2607822 A2 EP 2607822A2 EP 12008349 A EP12008349 A EP 12008349A EP 2607822 A2 EP2607822 A2 EP 2607822A2
Authority
EP
European Patent Office
Prior art keywords
temperature
chamber
cooling fan
refrigerating chamber
refrigerator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12008349.8A
Other languages
German (de)
English (en)
Inventor
Jinseok Hu
Kyelyong Kang
Shinhyun Park
Gunil Park
Buhwan Ahn
Jaemin Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2607822A2 publication Critical patent/EP2607822A2/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements 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
    • F25D17/065—Arrangements 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
    • 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
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0684—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans the fans allowing rotation in reverse direction
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/06—Refrigerators with a vertical mullion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment

Definitions

  • the present disclosure relates to a refrigerator, and particularly, to a refrigerator capable of rapidly solving a deviation in an inner temperature of a storage chamber.
  • a refrigerator is an apparatus for storing food items in a frozen or cool state.
  • the refrigerator may include a refrigerator body having a storage chamber therein, and a refrigerating cycle device configured to provide cool air to the storage chamber.
  • FIG. 1 is an exemplary view of a refrigerator in accordance with the related art
  • FIG. 2 is a view showing an evaporator and a cooling fan of the refrigerator of FIG. 1 .
  • the refrigerator may include a refrigerator body 10 having a storage chamber 20 therein, and a refrigerating cycle device (not shown) configured to provide cool air to the refrigerator body 10.
  • the refrigerating cycle device may be configured as a vapor-compression type refrigerating cycle device including a compressor configured to compress a refrigerant, a condenser configured to condense a refrigerant, an expander configured to depressurization-expand a refrigerant, and an evaporator configured to evaporate a refrigerant by absorbing peripheral latent heat.
  • the storage chamber 20 may be provided in the refrigerator body 10.
  • the storage chamber 20 may include a freezing chamber 21 and a refrigerating chamber 22.
  • a door 30 configured to open and close the storage chamber 20 may be provided on a front surface of the refrigerator body 10.
  • the door 30 may include a freezing chamber door 31 configured to open and close the freezing chamber 21, and a refrigerating chamber door 32 configured to open and close the refrigerating chamber 22.
  • the freezing chamber 21 and the refrigerating chamber 22 may be partitioned from each other by a mullion (partition wall) 15.
  • the mullion 15 may be arranged in upper and lower directions of the refrigerator body 10.
  • a circulation path 40 along which air circulates to be cooled, may be provided at a rear region of the freezing chamber 21.
  • the circulation path 40 may be formed at a rear region of the freezing chamber 21 in upper and lower directions.
  • An inlet 42 through which air is introduced into the refrigerator may be formed at a lower region of the circulation path 40.
  • An outlet 44 through which air is discharged from the refrigerator may be formed at an upper region of the circulation path 40.
  • An evaporator 45 configured to cool air may be provided at the circulation path 40.
  • a cooling fan 47 may be disposed above the evaporator 45. Under such configuration, flow of air along the circulation path 40 can be accelerated.
  • a communication unit (not shown) penetrated so that the freezing chamber 21 and the refrigerating chamber 22 can be communicated with each other, may be formed at an upper region of the mullion 15. Under such configuration, cool air inside the freezing chamber 21 can be provided to the refrigerating chamber 22.
  • a cool air duct 25 may be disposed at an upper region of the refrigerating chamber 22.
  • a cool air discharge hole (not shown) through which cool air is discharged, may be formed at the cool air duct 25.
  • the cool air duct 25 may be installed so as to be communicated with the communication unit. Under such configuration, cool air supplied from the freezing chamber 21 can be discharged into the refrigerating chamber 22.
  • a suction hole 19 through which air inside the refrigerating chamber 22 is sucked to the freezing chamber 21, may be formed at a lower region of the refrigerating chamber 22.
  • the conventional refrigerator may have the following problems.
  • the amount of cool air to be supplied may be reduced or, supplying of cool air may be stopped. In this case, food items stored in a middle or lower region of the refrigerating chamber 22, may be slowly or insufficiently cooled.
  • an aspect of the detailed description is to provide a refrigerator capable of rapidly solving a deviation in an inner temperature of a storage chamber.
  • Another aspect of the detailed description is to provide a refrigerator capable of directly supplying cool air into a lower region of a storage chamber.
  • Still another aspect of the detailed description is to provide a refrigerator capable of preventing an upper region of a storage chamber from being overcooled, and capable of rapidly cooling a lower region of the storage chamber.
  • a refrigerator comprising: a refrigerator body having a storage chamber; a circulation path having a plurality of openings spaced from each other and communicated with the storage chamber an evaporator configured to cool air, and a cooling fan which can be forward and backward rotated, and configured to circulate cool air in the storage chamber; a temperature sensor disposed at upper and lower sides of the storage chamber, and configured to sense temperatures of the storage chamber; and a controller configured to control a rotation direction of the cooling fan, based on the result by the temperature sensor.
  • the refrigerator body may be provided with a mullion disposed in upper and lower directions.
  • the storage chamber may be provided with a freezing chamber and a refrigerating chamber disposed in a state where the mullion is formed therebetween.
  • An upper communication portion and a lower communication portion through which an upper region and a lower region of the refrigerating chamber are communicated with the freezing chamber, respectively, may be formed at the mullion.
  • the temperature sensor may be provided at the refrigerating chamber.
  • the controller may be configured to control the cooling fan to backward rotate, when an upper temperature of the refrigerating chamber is less than an upper preset temperature, and a lower temperature of the refrigerating chamber exceeds a lower preset temperature.
  • the controller may be configured to control the cooling fan to forward rotate, when an upper temperature of the refrigerating chamber exceeds an upper preset temperature, and a lower temperature of the refrigerating chamber exceeds a lower preset temperature.
  • the plurality of openings may include an upper opening provided at an upper region of the storage chamber, and a lower opening provided at a lower region of the storage chamber.
  • the cooling fan may be configured as a centrifugal fan.
  • the refrigerator may further comprise a blowing fan provided at a region to which air inside the refrigerating chamber is sucked, when the cooling fan forward rotates.
  • the controller may be configured to drive the blowing fan when the cooling fan backward rotates.
  • the circulation path may be formed at the freezing chamber and the refrigerating chamber, respectively.
  • the temperature sensor may include an upper temperature sensor configured to sense a temperature of an upper region of each storage chamber (freezing chamber and refrigerating chamber), and a lower temperature sensor configured to sense a temperature of a lower region of said each storage chamber (freezing chamber and refrigerating chamber).
  • the controller may control the cooling fan of the freezing chamber to backward rotate, when an upper temperature of the freezing chamber is less than an upper preset temperature, and a lower temperature of the freezing chamber exceeds a lower preset temperature.
  • the controller may control the cooling fan of the freezing chamber to forward rotate, when an upper temperature of the freezing chamber exceeds the upper preset temperature, and a lower temperature of the freezing chamber exceeds the lower preset temperature.
  • the controller may control the cooling fan of the refrigerating chamber to forward rotate, when an upper temperature of the refrigerating chamber exceeds an upper preset temperature, and a lower temperature of the refrigerating chamber exceeds a lower preset temperature. And, the controller may control the cooling fan of the refrigerating chamber to backward rotate, when an upper temperature of the refrigerating chamber is less than an upper preset temperature, and a lower temperature of the refrigerating chamber exceeds a lower preset temperature.
  • a refrigerator comprising: a refrigerator body having a plurality of storage chambers; an evaporator installed at each of the storage chambers; a cooling fan disposed at one side of the evaporator, and forward or backward rotatable; a circulation path formed to enclose the evaporator and the cooling fan, and having a plurality of openings at upper and lower parts thereof so as to be communicated with the storage chamber; a plurality of temperature sensors installed at upper and lower sides of each of the storage chambers, and configured to sense an inner temperature of each of the storage chambers; and a controller configured to control a rotation direction of the cooling fan, based on a result by the temperature sensors.
  • a refrigerator comprising: a refrigerator body having a plurality of storage chambers; an evaporator installed at a first storage chamber; a cooling fan disposed above the evaporator, and forward and backward rotatable; a circulation path formed to enclose the evaporator and the cooling fan, and having a plurality of openings at upper and lower parts thereof so as to be communicated with the storage chamber; an upper communication portion disposed at an upper region of each of the two storage chambers; a lower communication portion disposed at a lower region of each of the two storage chambers; a blowing fan disposed at the lower communication portion; a plurality of temperature sensors installed at upper and lower regions of a second storage chamber, and configured to sense a temperature of the second storage chamber; and a controller configured to control a rotation direction of the cooling fan and ON/OFF of the blowing fan, based on a results by the plurality of temperature sensors.
  • a mullion disposed in upper and lower directions and configured to partition the first and second storage chambers from each other, may be provided at the refrigerator body.
  • the upper communication portion and the lower communication portion may be formed at the mullion.
  • the first storage chamber may be a freezing chamber
  • the second storage chamber may be a refrigerating chamber.
  • a refrigerator may include a refrigerator body 110 having a storage chamber 120; a circulation path 140 having a plurality of openings 142 and 144 spaced from each other and communicated with the storage chamber 120, an evaporator 145 configured to cool air, and a cooling fan 147 which can be forward and backward rotated, and configured to circulate cool air in the storage chamber 120; a temperature sensor 160 configured to sense a temperature of the storage chamber 120; and a controller 150 configured to control a rotation direction of the cooling fan 147, based on a result by the temperature sensors 160.
  • the storage chamber 120 indicates a space for storing food items in a cooled state.
  • the refrigerator body 110 may include one of a freezing chamber 121 and a refrigerating chamber 122.
  • the storage chamber 120 may be provided in the refrigerator body 110.
  • the storage chamber 120 may include the freezing chamber 121 and the refrigerating chamber 122.
  • the refrigerator body 110 may be provided with a door (not shown) configured to open and close the storage chamber 120.
  • the door may include a freezing chamber door configured to open and close the freezing chamber 121, and a refrigerating chamber door configured to open and close the refrigerating chamber 122.
  • the freezing chamber 121 and the refrigerating chamber 122 may be disposed side by side, in a state where a vertically-arranged mullion (partition wall) 115 is disposed therebetween.
  • the freezing chamber 121 and the refrigerating chamber 122 may be formed to have a length greater than a width (with in right and left directions).
  • a circulation path 140 along which air inside the freezing chamber 121 circulates to be cooled, may be provided at the freezing chamber 121.
  • the circulation path 140 may be formed at a rear region of the freezing chamber 121.
  • the circulation path 140 may be formed in upper and lower directions of the freezing chamber 121.
  • the circulation path 140 may be provided with openings 142 and 144 through which air inside the freezing chamber 121 flows.
  • the lower opening 142 through which air inside the freezing chamber 121 can be introduced to the circulation path 140 may be provided at a lower region of the freezing chamber 121.
  • the upper opening 144 through which air inside the circulation path 140 can be discharged to the outside, may be provided at an upper region of the freezing chamber 121.
  • the upper opening 144 may be implemented as a plurality of openings spaced from each other in upper and lower directions.
  • the circulation path 140 may be provided with an evaporator 145. Under such configuration, air can be cooled while circulating along the circulation path 140.
  • a cooling fan 147 may be provided at the circulation path 140. Under such configuration, flowing of air inside the circulation path 140 can be accelerated.
  • the cooling fan 147 may be provided at one side of the evaporator 145.
  • the cooling fan 147 may be disposed above the evaporator 145.
  • the cooling fan 147 may be configured to forward rotate (e.g., clockwise rotation) and backward rotate (e.g., counterclockwise rotation). For instance, the cooling fan 147 may be configured to suck air below the evaporator 145, and to discharge the sucked air to the upper side, while forward rotating.
  • the cooling fan 147 may be configured as a centrifugal fan for sucking air in an axial direction and discharging the sucked air in a radial direction.
  • the upper opening 144 may be a discharge hole for freezing chamber cool air, in that air cooled while flowing along the circulation path 140 (i.e., cool air) is discharged therefrom.
  • a communication unit 116 configured to communicate the freezing chamber 121 and the refrigerating chamber 122 with each other, may be formed at the mullion 115.
  • the communication unit 116 may be formed at an upper region and a lower region of the mullion 115, respectively.
  • the communication unit 116 may be provided with an upper communication portion 117 and a lower communication portion 119 spaced from each other in upper and lower directions.
  • the upper communication portion 117 may be a cool air inlet, in that cool air inside the freezing chamber 121 is introduced into the cooling chamber 122, when the cooling fan 147 is forward rotated.
  • the lower communication portion 119 may be a suction hole, in that cool air inside the refrigerating chamber 122 is introduced into the circulation path 140, when the cooling fan 147 is forward rotated.
  • a cool air duct 125 may be disposed at an upper region of the refrigerating chamber 122 so as to be communicated with the upper communication portion 117.
  • the cool air duct 125 may be provided with a plurality of cool air discharge holes 127 through which cool air is discharged, when the cooling fan 147 is forward rotated.
  • the cool air discharge holes 127 may be configured to discharge cool air to the front side and/or the lower side of the cool air duct 125.
  • the temperature sensing configured to sense an inner temperature of the refrigerating chamber 122 may be provided in the refrigerating chamber 122.
  • the temperature sensor 160 may be provided with an upper temperature sensor 162 configured to sense a temperature of an upper region of the refrigerating chamber 122.
  • the temperature sensor 160 may be provided with a lower temperature sensor 164 configured to sense a temperature of a lower region of the refrigerating chamber 122.
  • the refrigerator may include a controller 150 configured to control the cooling fan 147 based on a sensed temperature in the refrigerating chamber 122.
  • controller 150 may be implemented as a microprocessor having a control program.
  • the controller 150 may be configured to sense an inner temperature of the refrigerating chamber 122 by the temperature sensor 160. If an upper temperature and a lower temperature of the refrigerating chamber 122 exceed an upper preset temperature and a lower preset temperature, respectively, the controller 150 may control the cooling fan 147 to forward rotate.
  • the upper preset temperature and the lower preset temperature may be set to be different from each other, or to be the same.
  • the controller 150 may be configured to sense an inner temperature of the refrigerating chamber 122 by the temperature sensor 160. If an upper temperature is less than the upper preset temperature and a lower temperature exceeds the lower preset temperature, the controller 150 may control the cooling fan 147 to backward rotate.
  • the controller 150 may sense the temperature of the refrigerating chamber 122 under control of the temperature sensor 160.
  • the controller 150 may control the cooling fan 147 to forward rotate.
  • the sucked air moves to the upper side along the circulation path 140, and contacts the evaporator 145. During such process, the air may be heat-exchanged to be cooled.
  • the air cooled while passing through the evaporator 145 may be discharged to the upper side via the cooling fan 147. Some of the discharged cool air may be discharged to the freezing chamber 121, and other thereof may be introduced to the cool air duct 125 through the upper communication portion 117.
  • the cool air introduced into the cool air duct 125 may be discharged to the refrigerating chamber 122, and may move to the lower side to thus cool the refrigerating chamber 122.
  • the refrigerating chamber 122 may have a relatively low temperature (median temperature or average temperature), and may have a greatest temperature change.
  • the lowermost section of the refrigerating chamber 122 may have a relatively high temperature (median temperature or average temperature), and may have a smallest temperature change.
  • the second and third sections may have temperature (change) characteristics that the median temperature (or average temperature) is increased towards the lowermost section, but the degree of change is decreased towards the lowermost section.
  • the controller 150 may sense the temperature of the refrigerating chamber 122 under control of the temperature sensor 160. If an upper temperature of the refrigerating chamber 122 is less than the upper preset temperature, and a lower temperature of the refrigerating chamber 122 exceeds the lower preset temperature, the controller 150 may control the cooling fan 147 to backward rotate.
  • the cooling fan 147 may suck air disposed at the upper side, and may discharge the sucked air to the lower side. Under such configuration, air may be sucked to the upper opening 144 of the freezing chamber 121, and may be discharged to the lower opening 142.
  • Air inside the refrigerating chamber 122 may be introduced to the freezing chamber 121 through the upper communication portion 117, and cool air disposed below the circulation path 140 may be directly supplied to a lower region of the refrigerating chamber 122 through the lower communication portion 119. Under such configuration, the lower region of the refrigerating chamber 122 can be rapidly cooled. Further, since cool air inside the freezing chamber 121 is not directly supplied to the sufficiently-cooled upper region of the refrigerating chamber 122, food items stored in the upper region of the refrigerating chamber 122 are not overcooled.
  • FIGS. 6 and 7 a refrigerator according to another embodiment of the present invention will be explained with reference to FIGS. 6 and 7 .
  • the same components as those of the aforementioned embodiment will be provided with the same reference numerals, and the same explanations will be omitted.
  • a refrigerator may include a refrigerator body 110 having a storage chamber 120; a circulation path 140 having a plurality of openings 142 and 144 spaced from each other and communicated with the storage chamber 120, an evaporator 145 configured to cool air, and a cooling fan 147 which can be forward and backward rotated, and configured to circulate cool air in the storage chamber 120; a temperature sensor 160 configured to sense a temperature of the storage chamber 120; and a controller 150 configured to control a rotation direction of the cooling fan 147, based on a result by the temperature sensors 160.
  • the refrigerator body 110 may be provided with a mullion 115 disposed in upper and lower directions.
  • the storage chamber 120 may be formed to be provided with the mullion 115.
  • the storage chamber 120 may include a freezing chamber 121 and a refrigerating chamber 122.
  • a circulation path 140 may be provided at the freezing chamber 121.
  • the circulation path 140 may be provided with an upper opening 144 and a lower opening 142.
  • An evaporator 145 may be disposed at the circulation path 140.
  • a cooling fan 147 may be provided at the circulation path 140.
  • the cooling fan 147 may be configured to forward rotate or backward rotate.
  • a communication portion 116 may be formed at the mullion 115.
  • the communication portion 116 may be provided with an upper communication portion 117 and a lower communication portion 119.
  • the lower communication portion 119 may be a suction hole through which air inside the refrigerating chamber 122 is sucked to the circulation path 140, when the cooling fan 147 is forward rotated.
  • a blowing fan 155 may be provided at the lower communication portion 117.
  • the blowing fan 155 is disposed in the lower communication portion.
  • the blowing fan 155 may be provided at the circulation path 140.
  • the blowing fan 155 may be configured to blow cool air inside the freezing chamber 121 into the refrigerating chamber 122 when rotated.
  • the blowing fan 155 may be configured as a small fan having a smaller blowing capacity than the cooling fan 147.
  • the blowing fan 155 may be configured as an axial fan.
  • the refrigerator may include a controller 150 configured to control the cooling fan 147 based on a sensed temperature in the storage chamber 120.
  • the temperature sensor 160 configured to sense an inner temperature of the storage chamber 120 (more specifically, the refrigerating chamber 122) may be connected to the controller 150 so as to transmit or receive an electric signal.
  • the cooling fan 147 and the blowing fan 155 may be connected to the controller 150 in a controllable manner.
  • the controller 150 may control the blowing fan 155 to rotate when the cooling ran 147 is backward rotated. Under such configuration , can be increased the amount of cool air provided to the refrigerating chamber 122 when the cooling fan 147 is backward rotated. Accordingly, a lower region of the refrigerating chamber 122 can be more rapidly cooled.
  • a peripheral temperature of the lower region of the refrigerating chamber 122 is increased when food items of a high temperature are introduced into the lower region, and the upper region of the refrigerating chamber 122 is overcooled due to cool air continuously supplied thereto for cooling of the lower region.
  • the lower region can be rapidly cooled, and the upper region can be prevented from being overcooled.
  • the controller 150 may sense the temperature of the refrigerating chamber 122 under control of the temperatures sensor 160.
  • the controller 150 may control the cooling fan 147 to forward rotate.
  • the cooling fan 147 is forward rotated, air inside the freezing chamber 121 and the refrigerating chamber 122 is sucked to the circulation path 140 through the lower opening 142 and the lower communication portion 119. Then, the sucked air may be cooled by the evaporator 145. Some of the cooled air may be discharged to the freezing chamber 121, and other thereof may be introduced into the cool air duct 125 via the upper communication portion 117 thus to be discharged to the refrigerating chamber 122. Under such configuration, the upper region of the refrigerating chamber 122 can be more rapidly cooled.
  • the controller 150 may sense the temperature of the refrigerating chamber 122 under control of the temperature sensor 160. If the upper temperature of the refrigerating chamber 122 is less than the upper preset temperature and the lower temperature of the refrigerating chamber 122 exceeds the lower preset temperature, the controller 150 may control the cooling fan 147 to backward rotate. The controller 150 may control the blowing fan 155 to rotate when the cooling fan 147 backward rotates.
  • the cooling fan 147 starts to backward rotate, air may be sucked to the upper opening 144 of the freezing chamber 121, and cool air may be discharged to the lower opening 142. Further, air inside the refrigerating chamber 122 may be sucked to the freezing chamber 121 through the upper communication portion 117 of the refrigerating chamber 122. And, cool air disposed below the circulation path 140 may be directly supplied to the lower region of the refrigerating chamber 122 through the lower communication portion 119.
  • the blowing fan 155 may serve to increase the amount of air by controlling cool air to rapidly move towards the refrigerating chamber 122 via the lower communication portion 119. Under such configuration, the lower region of the refrigerating chamber 122 can be more rapidly cooled. Further, since cool air is not directly supplied to the sufficiently-cooled upper region of the refrigerating chamber 122, food items stored in the upper region of the refrigerating chamber 122 are not overcooled.
  • the refrigerator may include a refrigerator body 110 having a storage chamber 120; a circulation path 140 having a plurality of openings 172, 174, 192 and 194 spaced from each other and communicated with the storage chamber 120, an evaporator 145 configured to cool air, and a cooling fan 147 which can be forward and backward rotated, and configured to circulate cool air in the storage chamber 120; a temperature sensor 160 configured to sense an inner temperature of the storage chamber 120; and a controller 150 configured to control a rotation direction of the cooling fan 147, based on a result by the temperature sensor 160.
  • the refrigerator body 110 may be provided with the storage chamber 120.
  • a temperature sensor 160 for sensing an inner temperature of the storage chamber 120 may be provided in the storage chamber 120.
  • the storage chamber 120 may be provided with a freezing chamber 121 and a refrigerating chamber 122 partitioned from each other in a state where a mullion 115 is disposed therebetween.
  • the temperature sensor 160 may include a freezing chamber temperature sensor 180 provided at the freezing chamber 121, and a refrigerating chamber temperature sensor 200 provided at the refrigerating chamber 122.
  • a circulation path 140 may be provided at the storage chamber 120.
  • the circulation path 140 may be provided at the freezing chamber 121 and the refrigerating chamber 122, respectively.
  • the circulation path 140 may include a freezing chamber circulation path 170 provided at the freezing chamber 121, and a refrigerating chamber circulation path 190 provided at the refrigerating chamber 122.
  • a cooling fan 147 may be provided at the circulation path 140.
  • the cooling fan 147 may include a freezing chamber cooling fan 177 provided at the freezing chamber circulation path 170, and a refrigerating chamber cooling fan 197 provided at the refrigerating chamber circulation path 190.
  • the evaporator 145 may include a freezing chamber evaporator 175 provided at the freezing chamber circulation path 170, and a refrigerating chamber evaporator 195 provided at the refrigerating chamber circulation path 190. Under such configuration, air inside the freezing chamber 121 and the refrigerating chamber 122 can be cooled while flowing along the circulation paths 170 and 190, respectively.
  • the cooling fan 147 may include a freezing chamber cooling fan 177 provided at the freezing chamber circulation path 170, and a refrigerating chamber cooling fan 197 provided at the refrigerating chamber circulation path 190. Under such configuration, flow of air inside the freezing chamber circulation path 170 and the refrigerating chamber circulation path 190 can be accelerated.
  • the freezing chamber cooling fan 177 may be configured to forward rotate and backward rotate.
  • the freezing chamber circulation path 170 may be provided with a lower opening 172 and an upper opening 174 through which air inside the freezing chamber 121 can be introduced and discharged out.
  • a freezing chamber temperature sensor 180 configured to sense an inner temperature of the freezing chamber 121 may be provided at the freezing chamber 121.
  • the freezing chamber temperature sensor 180 may be provided with a freezing chamber upper temperature sensor 182 and a freezing chamber lower temperature sensor 184.
  • a refrigerating chamber circulation path 190 through which air circulates to be cooled, may be provided at the refrigerating chamber 122.
  • a refrigerating chamber evaporator 195 may be provided at the refrigerating chamber circulation path 190. Under such configuration, air inside the refrigerating chamber 122 can circulate to be cooled.
  • a refrigerating chamber cooling fan 197 may be provided at the refrigerating chamber circulation path 190. Under such configuration, flow of air inside the refrigerating chamber circulation path 190 can be accelerated.
  • the refrigerating chamber cooling fan 197 may be configured to forward rotate and backward rotate.
  • a refrigerating chamber temperature sensor 200 configured to sense an inner temperature of the refrigerating chamber 122 may be provided at the refrigerating chamber 122.
  • the refrigerating chamber temperature sensor 200 may be provided with a refrigerating chamber upper temperature sensor 202 and a refrigerating chamber lower temperature sensor 204.
  • the freezing chamber cooling fan 177 and the refrigerating chamber cooling fan 197 may be configured as an axial fan, respectively. Under such configuration, can be reduced the amount of air discharged through the lower openings 172 and 192 when rotation directions of the cooling fans 177 and 197 are converted.
  • the freezing chamber cooling fan 177 and the refrigerating chamber cooling fan 197 may be configured as a centrifugal fan, respectively.
  • a freezing chamber blowing fan (not shown) and a refrigerating chamber blowing fan (not shown) may be provided at the lower openings, respectively.
  • the freezing chamber blowing fan may be driven when the freezing chamber cooling fan 177 is backward rotated, and the refrigerating chamber blowing fan may be driven when the refrigerating chamber cooling fan 197 is backward rotated.
  • the refrigerator may include a controller 150 configured to sense each temperature inside the freezing chamber 121 and the refrigerating chamber 122, and to control the cooling fans 177 and 197 to forward rotate or backward rotate based on the sensed temperatures.
  • the freezing chamber temperature sensor 180 and the refrigerating chamber temperature sensor 200 may be connected to the controller 150. Under such configuration, the controller 150 may recognize inner temperatures of the freezing chamber 121 and the refrigerating chamber 122.
  • the freezing chamber cooling fan 177 and the refrigerating chamber cooling fan 197 may be connected to the controller 150, so that they can be controlled based on temperatures sensed by the temperature sensors 180 and 200.
  • the controller 150 may control the freezing chamber cooling fan 177 to forward rotate.
  • the controller 150 may control the freezing chamber cooling fan 177 to backward rotate.
  • the controller 150 may control the refrigerating chamber cooling fan 197 to forward rotate.
  • the controller 150 may control the refrigerating chamber cooling fan 197 to backward rotate.
  • the controller 150 may sense the temperature inside each storage chamber 120 by each temperature sensor.
  • the controller 150 may control the cooling fans 177 and 197 of the corresponding storage chamber 120 to forward rotate or backward rotate, based on sensed temperatures of the storage chamber 120.
  • the controller 150 may control the cooling fan of the corresponding storage chamber 120 to forward rotate. This can allow cool air to be intensively discharged to an upper region of the corresponding storage chamber 120, and thus to rapidly cool the upper region.
  • the controller 150 may control the cooling fans 177 and 197 to backward rotate. This can allow cool air to be discharged to the lower region of the corresponding storage chamber 120 to intensively cool the lower region, and prevent the sufficiently-cooled upper region from being overcooled.
  • a discharge direction of cool air discharged into the storage chamber is controlled. This can prevent a deviation in an inner temperature of the storage chamber.
  • the cooling fan is controlled so that a supply direction of cool air can be converted, based on the result of a sensed temperature inside the storage chamber. This can allow a deviation in an inner temperature of the storage chamber to be rapidly solved.
  • the controller may control the cooling fan to be backward rotate, so that cool air can be directly discharged to the lower region of the storage chamber. This can allow the lower region of the storage chamber to be more rapidly cooled.
  • the controller may control the cooling fan to forward rotate, so that cool air can be discharged to the upper region of the storage chamber. This can allow cool air inside the storage chamber to be circulated by the cooling fan, and to be circulated by convection. As a result, the storage chamber can be more rapidly cooled.
  • the cooling fan is forward rotated to firstly cool the upper region of the storage chamber. Then, if the upper region of the is cooled, the cooling fan is backward rotated to directly supply cool air to the lower region of the storage chamber. This can prevent the upper region of the storage chamber from being overcooled, and allow the lower region of the storage chamber to be more rapidly cooled.

Landscapes

  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP12008349.8A 2011-12-23 2012-12-14 Réfrigérateur Withdrawn EP2607822A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110141443A KR20130073543A (ko) 2011-12-23 2011-12-23 냉장고

Publications (1)

Publication Number Publication Date
EP2607822A2 true EP2607822A2 (fr) 2013-06-26

Family

ID=47630041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12008349.8A Withdrawn EP2607822A2 (fr) 2011-12-23 2012-12-14 Réfrigérateur

Country Status (5)

Country Link
US (1) US20130160473A1 (fr)
EP (1) EP2607822A2 (fr)
KR (1) KR20130073543A (fr)
CN (1) CN103175364B (fr)
BR (1) BR102012032467B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709751A3 (de) * 2015-11-09 2016-03-15 V Zug Ag Kühlgerät mit einem Nutzraum mit mehreren Temperaturzonen.
WO2020106240A1 (fr) * 2018-11-21 2020-05-28 Arcelik Anonim Sirketi Réfrigérateur à circulation d'air contrôlée

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150001008A (ko) 2013-06-26 2015-01-06 기아자동차주식회사 핫스탬핑 냉간트림 양산용 프레스 금형의 제조방법 및 이를 이용한 핫스탬핑 냉간트림 양산용 프레스 금형
CN104374138B (zh) * 2014-11-28 2017-05-24 合肥华凌股份有限公司 风冷冰箱
US10056807B2 (en) 2014-12-23 2018-08-21 Orange Motor Company L.L.C. Electronically commutated fan motors and systems
US10627150B2 (en) 2016-09-19 2020-04-21 Midea Group Co., Ltd. Refrigerator with targeted cooling zone
US10563899B2 (en) 2016-09-19 2020-02-18 Midea Group Co., Ltd. Refrigerator with targeted cooling zone
CN108870830A (zh) * 2017-05-09 2018-11-23 合肥华凌股份有限公司 冰箱及其单系统双吸风道
CN107192203B (zh) * 2017-06-02 2019-11-26 青岛海尔特种电冰箱有限公司 一种用于风冷式冰箱的除冷凝水的方法和装置
CN108036570B (zh) * 2017-12-06 2020-02-04 合肥华凌股份有限公司 一种冰箱制冷系统及冰箱
CN110094924B (zh) * 2018-01-31 2021-09-17 日立环球生活方案株式会社 冰箱
US11079160B2 (en) 2019-08-22 2021-08-03 Haier Us Appliance Solutions, Inc. Refrigerator appliances having multiple fluidly-connected, chilled chambers
CN110579059B (zh) * 2019-09-12 2021-06-18 合肥华凌股份有限公司 冰箱及其控制方法和装置
CN216114889U (zh) * 2021-05-28 2022-03-22 青岛海尔电冰箱有限公司 一种单系统对开门冰箱

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3126096B2 (ja) * 1994-09-09 2001-01-22 ホシザキ電機株式会社 冷却貯蔵庫
US5729997A (en) * 1996-02-29 1998-03-24 General Electric Company Refrigerator air circulation system
US5715703A (en) * 1996-07-02 1998-02-10 Kopf; Bruce A. Multiple fan air distribution system for appliances
US5816060A (en) * 1996-12-23 1998-10-06 General Electric Company Air flow control in a side-by-side refrigerator
JP2000130913A (ja) * 1998-10-28 2000-05-12 Toshiba Corp 冷蔵庫
CA2366622C (fr) * 2001-08-31 2006-10-03 Lg Electronics Inc. Dispositif de regulation de l'approvisionnement d'air de refroidissement d'un refrigerateur
US6865899B2 (en) * 2003-03-22 2005-03-15 Lg Electronics Inc. Refrigerator and method of controlling the same
WO2006087669A1 (fr) * 2005-02-16 2006-08-24 Arcelik Anonim Sirketi Dispositif de refroidissement et procede de commande

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709751A3 (de) * 2015-11-09 2016-03-15 V Zug Ag Kühlgerät mit einem Nutzraum mit mehreren Temperaturzonen.
EP3171105A1 (fr) * 2015-11-09 2017-05-24 V-Zug AG Appareil de réfrigeration comprenant plusieurs zones de températures
WO2020106240A1 (fr) * 2018-11-21 2020-05-28 Arcelik Anonim Sirketi Réfrigérateur à circulation d'air contrôlée

Also Published As

Publication number Publication date
BR102012032467B1 (pt) 2021-03-16
US20130160473A1 (en) 2013-06-27
BR102012032467A2 (pt) 2014-03-18
KR20130073543A (ko) 2013-07-03
CN103175364A (zh) 2013-06-26
CN103175364B (zh) 2015-07-15

Similar Documents

Publication Publication Date Title
EP2607822A2 (fr) Réfrigérateur
ES2890932T3 (es) Refrigerador
US9772130B2 (en) Refrigerator and method for controlling a refrigerator
JP2015001331A (ja) 冷蔵庫
EP3037750B1 (fr) Réfrigérateur et un procédé de commande de celui-ci
EP3144609B1 (fr) Procédé de commande pour réfrigérateur
US20100115972A1 (en) Refrigerator and control method of the same
JP2017072325A (ja) 冷蔵庫
KR20070074209A (ko) 냉장고
KR102177946B1 (ko) 냉장고 및 그의 제어방법
KR20180072146A (ko) 냉장고
JP5835992B2 (ja) 冷蔵庫
KR102151817B1 (ko) 냉장고 및 그의 제어방법
JP2007132543A (ja) 冷蔵庫
KR100451351B1 (ko) 냉장고
KR100459459B1 (ko) 냉장고의 냉장실 균일온도 제어장치 및 그 제어방법
KR100597292B1 (ko) 냉장고
KR100451350B1 (ko) 냉장고
KR101570376B1 (ko) 냉장고
KR100615785B1 (ko) 냉장고
JP2007120913A (ja) 冷蔵庫
KR100414286B1 (ko) 냉장고의 냉장실 냉기순환장치
KR200163787Y1 (ko) 냉장고용냉기순환장치
KR20040043666A (ko) 천장토출식 사이드 바이 사이드 타입 냉장고

Legal Events

Date Code Title Description
AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150701