KR960044045A - Refrigerator with high efficiency independent cooling cycle and control method thereof - Google Patents

Abstract

An object of the present invention is to independently control the refrigerating chamber and the freezing chamber, and faithfully controlling the refrigerating chamber and the freezing chamber in the set temperature band according to the temperature of the outside air.

A first cooler provided in the freezing compartment; a second freezing compartment provided in the freezing compartment and arranged in series with the first condensing compartment; a freezing compartment provided in the freezing compartment; A refrigerator compartment fan installed in the freezer compartment and blowing air in the freezer compartment to pass through the second refrigerator; and if the state other than the high temperature state is a predefined overload state according to the characteristics of the refrigerator, If simultaneous cooling of the bilateral room is possible, simultaneous cooling of the bilateral room is carried out. If it is difficult to simultaneously cool the bilateral room, And a controller for controlling the compressor, the refrigerator compartment fan, and the freezer compartment fan.

Description

Refrigerator with high efficiency independent cooling cycle and control method thereof

Since this is a trivial issue, I did not include the contents of the text.

FIG. FIG. 5 is a cross-sectional side view showing a schematic configuration of a refrigerator according to a cycle. 6 is a cycle diagram of a refrigerator according to a cycle. FIG. 7 is a block diagram showing a control unit configuration of a refrigerator according to a cycle. FIG. 4 is a flowchart showing an embodiment of a refrigerator control method according to a cycle. FIG.

Claims (22)

A freezer compartment provided in the freezer compartment, a first freezer installed in the freezer compartment, a freezer compartment fan installed in the freezer compartment and blowing air in the freezer compartment to pass through the first freezer compartment, A freezer compartment fan installed in the freezer compartment and blowing air in the freezer compartment to pass through the second condenser; If the temperature of the freezing compartment reaches a second freezing compartment set temperature which is higher than the predetermined refrigerating compartment setting temperature by a predetermined temperature for refrigerating the food during cooling of the refrigerating compartment, the freezing compartment fan is turned on with the refrigerator compartment fan, If the refrigerating compartment temperature is set at a predetermined temperature for refrigerating the food, If the temperature is higher than the predetermined value, the refrigerator compartment fan is operated with the freezer compartment fan to perform the constant temperature refrigeration and the constant temperature refrigeration. In the case where the high temperature state is not the overload state, And a controller for controlling the compressor, the refrigerator compartment fan and the freezer compartment fan so as to perform simultaneous cooling of both the compartments if simultaneous cooling of the room is possible, . The refrigerator of claim 1, wherein the second freezing room setting temperature is 1 to 5 ° C higher than the freezing room setting temperature. A method of controlling a refrigerator having a compressor, a freezer compartment and a refrigerating compartment partitioned into each other, wherein a first refrigerator and a refrigerating compartment fan are installed in the refrigerating compartment and a second refrigerator and a freezing compartment fan are installed in the freezing compartment, (Step 351). If the outside air temperature is higher than the outside air reference temperature in the above step, the predetermined freezing temperature is set at a predetermined temperature for freezing the food and the freezing room temperature (Step 331). When the freezing compartment temperature is higher than the freezing compartment set temperature, the predetermined compartment temperature is compared with a predetermined temperature for refrigerating the foodstuff (step 332) The compressor and the refrigerated salpans are turned on and the freezer compartment fan is turned off (step 333) (Step 334), the compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (step 333), and when the freezer compartment temperature is below the freezing compartment temperature, the compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (Step 335). If the freezer compartment temperature is lower than the second freezer compartment set temperature in step 335, the process returns to the step of comparing the freezer compartment temperature with the refrigerating compartment set temperature The refrigerator compartment fan and the freezer compartment fan are turned on (step 336), and the compressor, the freezer compartment fan and the refrigerating compartment fan are turned on (step 336) if the freezing compartment temperature is higher than the second freezing compartment set temperature, (Step 337). If the temperature of the refrigerating compartment is equal to or lower than the setting temperature of the refrigerating compartment, the compressor freezing compartment fan is turned on and the refrigerating compartment fan is turned on (Step 334). When the freezer compartment temperature is higher than the freezer compartment temperature, the freezer compartment temperature and the freezer compartment temperature are compared (step 338). If the freezer compartment temperature is higher than the freezer compartment temperature, The freezer compartment fan and the refrigerating compartment fan are all turned off when the freezing compartment temperature is lower than the freezing compartment set temperature (step 339), the compressor and the freezing compartment fan are turned on and the refrigerating compartment fan is turned off If the freezing compartment temperature is higher than the freezing compartment set temperature in step 340, the freezing compartment temperature is compared with the refrigerating compartment set temperature in step 341, The controller returns to the step 334 to turn on the compressor and the freezer compartment fan and turn off the refrigerating compartment fan (step 334) When the room temperature is higher than the refrigerating compartment set temperature, the process returns to step 336 to turn on the compressor, the freezer compartment fan, and the refrigerating compartment fan (step 336). In the step 351 of comparing the outdoor air temperature and the outdoor air reference temperature, The temperature of the freezing compartment is higher than the freezer compartment temperature and the freezing compartment set temperature but higher than the freezing compartment reference temperature, which is higher than the freezing compartment set temperature but is capable of performing the function of the basic freezing compartment, (Step 352). If the freezing compartment temperature is higher than the freezing compartment reference temperature and the refrigerating compartment temperature is higher than the refrigerating compartment setting temperature, only one of the freezing compartment fan and the refrigerating compartment fan is turned on together with the compressor , The freezing compartment temperature is below the freezing compartment reference temperature, If fixed temperature or less also has a control method of a refrigerator including a step for turning on all the freezing chamber fan and the refrigerating chamber fan with the compressor. 4. The method of claim 3, wherein the second freezing room setting temperature is 1 to 5 DEG C higher than the freezing room setting temperature. The control method of a refrigerator according to claim 3, wherein after the step of turning off the compressor, the refrigerator compartment fan and the freezer compartment fan, a comparison is made as to whether or not the surface temperature of the first refrigerator is higher than 0 ° C, Further comprising the step of turning off the compressor and the freezer compartment fan and turning on the refrigerator compartment fan when the temperature is equal to or lower than 0 ° C, thereby performing defrosting of the first refrigerator. The method of claim 3, wherein the control method of the refrigerator comprises the steps of: comparing the freezer compartment temperature with the freezer compartment set temperature (step 331); turning off the compressor, the freezer compartment fan, and the freezer compartment fan when the freezer compartment temperature is below the freezer compartment temperature 339). ≪ / RTI > 7. The method according to claim 6, wherein the control method of the refrigerator further comprises: after the step of turning off the compressor, the refrigerating compartment fan and the freezing compartment fan, comparing whether the surface temperature of the first condenser is higher than 0 deg. Further comprising the step of turning off the compressor and the freezer compartment fan and turning on the refrigerator compartment fan when the temperature is equal to or lower than 0 ° C, thereby performing defrosting of the first refrigerator. The method of claim 3, wherein, when the freezer compartment temperature is higher than the reference temperature of the freezer compartment and the freezer compartment temperature is higher than the freezer compartment temperature, turning on only one of the freezer compartment fan and the freezer compartment fan, (Step 291). When the freezer compartment temperature is higher than the freezer compartment set temperature, the compressor and the refrigerating compartment fan are turned on and the freezer compartment fan is turned off (step 292) (Step 293). If the temperature of the refrigerating compartment is higher than the temperature of the second compartment (step 293), it is determined that the temperature of the refrigerating compartment is higher than the predetermined temperature of the second compartment The process returns to step 292 where the compressor and the refrigerating compartment fan are turned on and the freezing compartment fan is turned off, In the case less than or equal to the set temperature, the refrigerating compartment 2, a control method of a refrigerator including a (step 294), the step of on-the compressor, a refrigerating compartment fan and a freezing compartment fan. The control method according to claim 8, wherein the second refrigerator compartment set temperature is 1 to 5 ° C higher than the refrigerating compartment set temperature. The method of claim 8, wherein the control method of the refrigerator further comprises the step of turning on the compressor, the freezing compartment fan, and the refrigerating compartment fan (step 294), and then compares the refrigerating compartment temperature with the refrigerating compartment set temperature (step 295) The freezer compartment temperature and the freezer compartment temperature are compared with each other (step 296). If the freezer compartment temperature is higher than the freezer compartment temperature, the compressor, the freezer compartment fan, and the refrigerating compartment fan are turned on and the process returns to step 294 And turning off the compressor, the refrigerator compartment fan, and the freezer compartment fan when the freezer compartment temperature is lower than the freezer compartment temperature (step 298). 9. The method of controlling a refrigerator according to claim 8, wherein the control method of the refrigerator further comprises a step of comparing the refrigerating compartment temperature with the refrigerating compartment set temperature following the step of turning on the compressor, the freezer compartment fan and the refrigerating compartment fan (step 295) The refrigerator compartment fan is turned on and the refrigerator compartment fan is turned off (step 297). In step 299, the freezer compartment temperature and the freezer compartment temperature are compared with each other (step 299). If the freezer compartment temperature is higher than the freezer compartment temperature, And returning to the step 295 for comparing the refrigerating compartment temperature and the refrigerating compartment set temperature, and turning off the compressor, the freezing compartment fan and the refrigerating compartment fan when the freezing compartment temperature is equal to or lower than the freezing compartment set temperature (step 298) Way. 9. The method of controlling a refrigerator according to claim 8, wherein, in the step of comparing the freezer compartment temperature and the freezer compartment set temperature (step 291), the compressor, the refrigerating compartment compartment fan, and the freezer compartment fan are turned off when the freezing compartment temperature is lower than the freezing compartment set temperature The method of any preceding claim, further comprising the step of: (298). The method of claim 12, wherein the control method of the refrigerator further comprises comparing the surface temperature of the first cooler with the temperature of the first cooler (step 300) after turning off the compressor, the freezer compartment fan, and the freezer compartment fan (Step 301) of turning off the compressor and the freezer compartment fan and turning on the refrigerating compartment fan when the surface temperature of the first cooler is equal to or lower than 0 ° C, characterized in that defrosting of the first cooler is performed Of the refrigerator. 14. The method of claim 13, wherein the step of turning on both the freezer compartment fan and the refrigerating compartment fan together with the compressor when the freezer compartment temperature is lower than the freezer compartment reference temperature or the refrigerating compartment temperature is lower than the refrigerating compartment set temperature, (Step 231). If the freezing compartment temperature is higher than the freezing compartment set temperature, the predetermined compartment temperature is compared with a predetermined temperature for refrigerating the foodstuff If the temperature of the refrigerating compartment is higher than the set temperature of the refrigerating compartment, the freezing compartment temperature is compared with the second condenser surface temperature (Step 233). If the temperature of the refrigerating compartment is higher than the second condenser surface temperature, And the refrigerator compartment fan are turned on and the freezer compartment fan is turned off (step 235). When the freezer compartment temperature is lower than the surface temperature of the second refrigerator And turning on the compressor, the freezer compartment fan, and the refrigerator compartment fan (step 234). The method of claim 14, wherein the control method of the refrigerator comprises: a step (234) of turning on the compressor, the freezer compartment fan and the refrigerating compartment fan, or the step 235 of turning on the compressor and the refrigerating compartment fan and turning off the freezing compartment fan, (Step 241). If the freezing compartment temperature is higher than the freezing compartment set temperature in step 231, the process returns to step 233 where the freezing compartment temperature and the surface temperature of the second condenser are compared. In step 233, When the temperature of the refrigerating compartment is higher than the set temperature of the refrigerating compartment, the controller returns to the step 235 of turning on the compressor and the refrigerating compartment fan and turning off the freezing compartment fan, And turning off the compressor, the refrigerator compartment fan, and the freezer compartment fan when the refrigerating compartment temperature is lower than the refrigerating compartment set temperature (step 240) How language. The method according to claim 15, wherein the control method of the refrigerator further comprises a step (240) of turning off the compressor, the refrigerating compartment fan and the freezing compartment fan, comparing the surface temperature of the first condenser with a temperature higher than 0 ° C (step 243) (Step 244) of turning off the compressor and the freezer compartment fan and turning on the refrigerating compartment fan when the surface temperature of the first cooler is 0 ° C or less, thereby performing defrosting of the first cooler The control method of the refrigerator. The method according to claim 14, wherein, in the step (231) of comparing the freezer compartment temperature and the freezer compartment set temperature, when the temperature of the freezer compartment is equal to or lower than the freezer compartment set temperature, When the temperature of the refrigerating compartment is higher than the second compartment temperature, the compressor and the refrigerating compartment fan are turned on and the freezing compartment fan is turned off (step 235) And turning off the compressor, the refrigerating compartment fan, and the freezer compartment fan when the refrigerating compartment temperature is equal to or lower than the second compartment setting temperature (240). 18. The method of controlling a refrigerator according to claim 17, wherein, in step (240), after the step (240) of turning off the compressor, the refrigerator compartment fan and the freezer compartment fan, the surface temperature of the first condenser is compared (Step 244) of turning off the compressor and the freezer compartment fan and turning on the refrigerating compartment fan when the surface temperature of the first cooler is 0 ° C or less, thereby performing defrosting of the first cooler The control method of the refrigerator. 15. The method of claim 14, wherein the step of comparing (233) the freezer compartment temperature and the second condenser surface temperature is performed to determine whether the freezer compartment temperature is 1 to 5 degrees C higher than the second condenser surface temperature. The method according to any one of claims 3 to 19, wherein the outside air reference temperature is 30 to 35 占 폚. 20. The method according to any one of claims 3 to 19, wherein the refrigerator room setting temperature is 6 to -1 DEG C, and the freezer room setting temperature is -15 to -21 DEG C. 20. The method according to any one of claims 3 to 19, wherein the refrigerating chamber reference temperature is from 7 to 15 占 폚, and the freezing chamber reference temperature is from -14 to -5 占 폚. ※ Note: It is disclosed by the contents of the first application.