KR960044042A - 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 refrigerator installed in the refrigerating compartment, a refrigerating compartment fan installed in the refrigerating compartment and blowing air in the refrigerating compartment to pass through the first compartment, a second condenser installed in the freezing compartment and arranged in series with the first compartment, A freezer compartment fan installed in the freezer compartment for blowing the air in the freezer compartment to pass through the second condenser, and if the condition outside the compartment is a predefined overload condition according to the characteristics of the refrigerator, the compartment is simultaneously cooled, If simultaneous cooling of the bilateral room is possible, if simultaneous cooling of the bilateral room is possible, while simultaneous cooling of the bilateral room is difficult, if the simultaneous cooling of the bilateral room is possible, even if it is out of the predetermined set temperature band for proper storage of the food, And a control unit for controlling 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 configuration of a refrigerator control unit according to a cycle. FIG. 2 is a flowchart illustrating an embodiment of a refrigerator control method according to a cycle. FIG.

Claims (29)

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; The simultaneous cooling of the Western-style room is performed, and if simultaneous cooling of the Western-style room is possible even though the state of the room is outside the predetermined set temperature range for proper storage of the food, If simultaneous cooling of the western room is not feasible, Refrigerator comprising a control unit for controlling the compressor and refrigerating compartment fan and a freezing compartment fan group. 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, And comparing the outside air temperature with the outside air reference temperature when the outside air temperature is higher than the outside air reference temperature in the step of turning on both the freezer compartment fan and the refrigerating compartment fan together with the compressor, When the outdoor temperature is lower than the ambient temperature reference temperature, it is higher than the freezer compartment temperature and the freezer compartment reference temperature, which is higher than the freezer compartment temperature but is capable of performing the function of the basic freezer compartment, The preset reference temperature of the refrigerating compartment When the freezing compartment temperature is higher than the freezing compartment reference temperature and the refrigerating compartment temperature is higher than the freezing compartment setting temperature, only one of the freezing compartment fan and the refrigerating compartment fan is turned on together with the compressor. If the freezing compartment temperature is below the freezing compartment reference temperature, And turning on both the freezer compartment fan and the refrigerating compartment fan together with the compressor when the temperature of the refrigerating compartment is below the set refrigerating compartment 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 step 351, the preset freezing room temperature is compared with the freezing room temperature and a predetermined temperature for freezing the food, (Step 231). If the freezer compartment temperature is higher than the freezer compartment temperature, the refrigerator compartment temperature is compared with a preset compartment temperature (step 232) Compares the freezer compartment temperature and the second cooler surface temperature (step 233) when the temperature is higher than the set temperature, If the room temperature is lower than the second cooler surface temperature, the compressor and the refrigerating compartment fan are turned on and the freezing compartment fan is turned off (step 235). If the freezing compartment temperature is higher than the surface temperature of the second refrigerator, (Step 234). If it is determined that the outside air temperature is lower than the ambient reference temperature in the step of comparing the outside air temperature and the outside air reference temperature (step 351), it is determined that the outdoor air temperature is higher than the freezing room temperature and the freezing room set temperature, The refrigerator compartment temperature and the refrigerating compartment reference temperature previously set to a temperature higher than the refrigerating compartment set temperature but capable of performing a function of the basic refrigerating compartment are compared with each other (step 352). In this step, the freezing compartment temperature is compared with the freezing compartment reference temperature If the temperature of the refrigerating compartment is higher than the setting temperature of the refrigerating compartment, If the temperature is greater than fresh food compartment temperature setting, the control method of a refrigerator including a step for turning on all the freezing chamber fan and the refrigerating chamber fan with the compressor. The control method of a refrigerator according to claim 3, wherein, in the step of comparing the refrigerating compartment temperature and the refrigerating compartment set temperature (Step 232), the freezing compartment temperature and the second refrigerating compartment temperature are compared when the temperature of the refrigerating compartment is equal to or lower than the refrigerating compartment set temperature (Step 236). If the freezer compartment temperature is higher than the second cooler surface temperature, the compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (step 237). If the freezer compartment temperature is lower than the surface temperature of the second compartment, And turning on the compressor (step 238) while turning off the fan and the refrigerating compartment fan. The method of claim 3, 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 compartment temperature, the process returns to step 233 where the freezing compartment compartment temperature and the surface temperature of the second compartment 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 control method of a refrigerator according to claim 5, 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. The method according to claim 3, wherein the control of the refrigerator comprises comparing the freezer compartment temperature and the freezer compartment temperature with a preset freezer compartment temperature when the freezer compartment temperature is lower than the freezer compartment temperature (239), the compressor and the refrigerating compartment fan are turned on and the freezing compartment fan is turned off when the refrigerating compartment temperature is higher than the second refrigerating compartment set temperature (step 253) 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). The control method of a refrigerator according to claim 7, further comprising a step (240) of turning off the compressor, a refrigerator compartment fan and a freezer compartment fan, comparing whether the surface temperature of the first refrigerator is 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 control method for a refrigerator according to claim 7, wherein the second refrigerator compartment preset temperature is 1 to 5 ° C higher than the refrigerator compartment preset temperature. 4. The method of claim 3, wherein the freezing compartment temperature is compared with the second condenser surface temperature in step (233), wherein the freezing compartment temperature is 1 to 5 占 폚 higher than the second condenser surface temperature. 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). When the temperature of the refrigerating compartment is higher than the second compartment temperature, the refrigerating compartment temperature is lower than the preset second compartment temperature , 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, And turning on the compressor, the refrigerator compartment fan, and the freezer compartment fan when the temperature is lower than the second refrigerator compartment set temperature (step 294). 12. The method of claim 11, wherein the second refrigerator compartment temperature is 1 to 5 degrees C higher than the refrigerator compartment temperature. The method of claim 11, 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 comparing 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 refrigerating compartment temperature is higher than the freezer compartment temperature, the compressor, the freezer compartment fan, and the refrigerating compartment fan are turned on (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). 14. The method of claim 13, wherein the control of the refrigerator 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. 12. The method of controlling a refrigerator according to claim 11, 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 in step 297. In step 297, the freezer compartment temperature is compared with the freezer compartment set temperature in 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. 12. The method of controlling a refrigerator according to claim 11, wherein, in the step of comparing the freezer compartment temperature and the freezer compartment set temperature (step 291), turning off the compressor, the freezer compartment fan, and the freezer compartment fan when the freezer compartment temperature is equal to or lower than the freezer compartment set temperature (Step 298). ≪ / RTI > 4. The method of claim 3, wherein the step of turning on 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 it is determined in step 233 that the freezing compartment temperature is higher than the refrigerating compartment temperature, the freezing compartment temperature is compared with the second condenser surface temperature in step 233. If the freezing compartment temperature is higher than the second compartment 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 Yiwu is a control method of a refrigerator including a (step 234), the step of on-the compressor, the freezer fan and the refrigerator compartment fan. The method of claim 17, wherein the control method of the refrigerator further includes a step (234) of turning on the compressor, a freezer compartment fan and a refrigerating compartment fan, or a 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) Control method. The method according to claim 18, 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 to be 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 as claimed in claim 17, wherein, in the step (231) of comparing the freezer compartment temperature and the freezer compartment set temperature, if the temperature of the freezer compartment is equal to or lower than the freezer compartment set temperature, (239), the compressor and the refrigerating compartment fan are turned on and the freezing compartment fan is turned off when the refrigerating compartment temperature is higher than the second refrigerating compartment set temperature (step 253) And turning off the compressor, the refrigerating compartment fan, and the freezer compartment fan when the refrigerating compartment temperature is lower than the second compartment setting temperature (240). 21. The method of controlling a refrigerator according to claim 20, wherein the method further comprises a step (240) of turning off the compressor, the refrigerator compartment fan, and the freezer compartment fan, (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. 18. The method of claim 17, 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. 23. The control method for a refrigerator according to any one of claims 3 to 22, wherein the outside air reference temperature is 30 to 35 占 폚. The control method of a refrigerator according to any one of claims 3 to 22, wherein the refrigerating compartment set temperature is 6 to -1 占 폚 and the freezing compartment set temperature is -15 to 21 占 폚. The control method of a refrigerator according to any one of claims 3 to 22, wherein the refrigerating chamber reference temperature is 7 to 15 ° C, and the freezing chamber reference temperature is -14 to -5 ° C. A refrigerator comprising: a compressor for compressing a refrigerant; a condenser for condensing the refrigerant; a refrigerating chamber and a freezing chamber formed separately from each other to be cooled; a first cooler installed in the refrigerating chamber; and a blower installed in the refrigerating chamber to blow air in the refrigerating chamber A freezer compartment fan installed in the freezer compartment and arranged in series with the first refrigerator, a freezer compartment fan installed in the freezer compartment to blow air in the freezer compartment to pass through the second compartment, And a controller for controlling the fan. The refrigerator according to claim 25, wherein the refrigerator further comprises: a refrigerating compartment temperature sensor for sensing a temperature of the refrigerating compartment; and a freezer compartment temperature sensor for sensing a temperature of the freezing compartment, wherein the controller is electrically connected to the sensor, The refrigerator controls the refrigerator compartment fan and the freezer compartment fan according to the temperature signal. 27. The refrigerator of claim 26, wherein the refrigerator further comprises a first cooler surface temperature sensor for sensing a surface temperature of the first cooler, wherein the controller controls the temperature of the cooler in the stopped state of the compressor, The controller turns on the refrigerating compartment fan and turns off the compressor and the freezing compartment fan to perform the defrosting operation of the first refrigerator. 26. The system according to any one of claims 25 to 26, wherein a single refrigerant passed through the condenser first flows through a first cooler, and all of the refrigerant that has passed through the first cooler flows through the second cooler, 2 Refrigerator installed on the upstream shaft of the chiller. ※ Note: It is disclosed by the contents of the first application.