KR960044044A - 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, Simultaneous cooling of both chambers is carried out if the simultaneous cooling of the bilateral chambers is possible even if the temperature is out of the predetermined temperature range for proper storage of the food. If simultaneous cooling of the bilateral chambers is difficult, 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 configuration of a refrigerator control unit according to a cycle. FIG. 4 is a flowchart showing an embodiment of a refrigerator control method according to a cycle. FIG.

Claims (21)

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 refrigerating compartment is higher than a predetermined refrigerating compartment set temperature during the cooling of the freezing compartment, the refrigerating compartment fan and the freezing compartment fan are operated to perform the constant-temperature refrigeration. If the non-excessive state is not the overload state , The state of the intestines is set to a predetermined set temperature range for proper storage of the food 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 when simultaneous cooling of the compartment is possible but quick simultaneous cooling of the compartments is difficult, . A method of controlling a refrigerator having a compressor, a freezer compartment and a refrigerating compartment partitioned into each other, wherein a first cooler 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 room set temperature is set at a predetermined temperature for freezing the food and the freezing room temperature (Step 271). If the freezing compartment temperature is higher than the freezing compartment set temperature, the refrigerator compartment is set to a predetermined freezing compartment temperature (step 272). In the freezing compartment, The controller turns on the compressor and the refrigerating compartment fan and turns off the refrigerating compartment fan (step 2 73), the compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (step 274) if the refrigerating compartment temperature is below the refrigerator compartment temperature, and the step 274 of turning on the compressor and the freezer compartment fan and turning on the refrigerator compartment fan- The refrigerator compartment fan and the freezer compartment fan are turned on (step 276) if the refrigerating compartment temperature is higher than the refrigerating compartment set temperature (step 276), and comparing the outdoor air temperature and the outdoor air reference temperature 351), when the outside air temperature is lower than the ambient temperature reference temperature, the freezing compartment temperature is higher than the freezing compartment set temperature but higher than the freezing compartment reference temperature, the refrigerating compartment temperature and the refrigerating compartment set temperature preset to a temperature capable of performing the function of the basic freezing compartment, (Step 352), and the temperature of the refrigerating chamber When 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 so that the freezing compartment temperature is lower than the freezing compartment reference temperature, And turning on both the freezer compartment fan and the refrigerating compartment fan together with the compressor. The method of claim 2, wherein the control method of the refrigerator further comprises a step of comparing the refrigerator compartment temperature with the refrigerator compartment temperature (step 277) following step 276 of turning on the compressor, the freezer compartment fan and the refrigerating compartment fan, If the temperature of the freezer compartment is higher than the freezer compartment temperature, the process returns to step 276 where the freezer compartment temperature and the freezer compartment temperature are compared (step 278). If the freezer compartment temperature is higher than the freezer compartment temperature, 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 280). 4. The method of controlling a refrigerator according to claim 3, wherein, in the step (277) of comparing the refrigerating compartment temperature and the refrigerating compartment set temperature after the step of turning on the compressor, the freezer compartment fan and the refrigerating compartment fan, The compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (step 279). Following this step, the freezer compartment temperature is compared with the freezer compartment set temperature (step 281). If the freezer compartment temperature is higher than the freezer compartment set temperature, (279) for turning on the fan and turning off the refrigerating compartment fan, 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 280) . The method according to claim 2, wherein the control method of the refrigerator includes the steps of: turning off the compressor, the refrigerating compartment fan, and the freezing compartment fan when the freezing compartment temperature is lower than the freezing compartment set temperature in a step (271) for comparing the freezing compartment temperature and the freezing compartment set temperature 280). ≪ / RTI > The method according to claim 2, wherein the control method of the refrigerator comprises the steps of turning on the compressor and the freezer compartment fan and turning off the refrigerating compartment fan, and comparing the built-in room temperature and the refrigerating compartment set temperature in step (275) (Step 282). If the freezer compartment temperature is higher than the freezer compartment temperature, the compressor and the freezer compartment fan are turned on and the refrigerator compartment fan is turned off (step 274) 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 280). The method of claim 2, 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). The control method of a refrigerator according to claim 7, wherein the second refrigerator compartment preset temperature is 1 to 5 ° C higher than a refrigerator compartment preset temperature. The method of claim 7, 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 freezer compartment temperature is higher than the freezer compartment temperature, the flow returns to step 294 to turn on the compressor, the freezer compartment fan, and the refrigerating compartment fan 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 7, wherein the control method of the refrigerator further comprises a step of comparing the refrigerator compartment temperature and the refrigerating compartment temperature with 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 and the freezer compartment temperature are compared with each other 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. The method according to claim 7, wherein the control method of the refrigerator includes the steps of: comparing the freezer compartment temperature with 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 lower than the freezer compartment temperature The method of any preceding claim, further comprising the step of: (298). The method according to claim 11, 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 refrigerator 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. The method as claimed in claim 2, 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 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 freezer 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). 14. The method of claim 13, wherein the control method of the refrigerator comprises: 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 14, 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 whether the surface temperature of the first condenser 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. 14. The method according to claim 13, wherein in the step of comparing the freezer compartment temperature with the freezer compartment set temperature, a step 231 of comparing the freezer compartment temperature and the freezer compartment temperature with a predetermined 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 method according to claim 16, 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 whether the surface temperature of the first condenser 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. 14. The method of claim 13, wherein the step of comparing (233) the freezer compartment temperature and the second refrigerator surface temperature is performed by comparing whether the freezer compartment temperature is 1 to 5 DEG C higher than the second condenser surface temperature. The control method of a refrigerator according to any one of claims 2 to 18, wherein the outside air reference temperature is 30 to 35 占 폚. 19. The method according to any one of claims 2 to 18, wherein the refrigerator compartment preset temperature is 6 to -1 deg. C, and the freezer compartment set temperature is -15 to 21 deg. 19. The method according to any one of claims 2 to 18, wherein the reference temperature of the refrigerator compartment is 7 to 15 deg. C, and the reference temperature of the freezer compartment is -14 to -5 deg. ※ Note: It is disclosed by the contents of the first application.