KR970047598A - How to suppress the temperature rise in the fridge in defrost mode - Google Patents

Abstract

The present invention is a hardware including a sensor unit including a refrigerating chamber temperature sensor and a defrost sensor, a sensor sensing circuit, a microcomputer, a heater driving circuit, a heater, a cooling fan driving circuit and a cooling fan, it is determined whether the heater driving conditions at the time of defrosting Performing defrost by energizing the heater when the heater driving condition is determined in the determination step; determining whether the detection temperature of the refrigerator compartment sensor is 4 ° C. or higher when the defrost sensor detection temperature is less than 10 ° C .; If the sensing temperature is less than 4 ° C. in the sensing temperature determination step of the refrigerating chamber sensor, the process returns to the previous step to continue energization of the heater and if it is determined to be 4 ° C. or more in the sensing temperature determination step of the refrigerating room sensor, Jumping to a subroutine to perform cooling, and stopping energization of the heater when the defrost sensor detection degree is 10 ° C or more. And implementing a predetermined after-hours with a resting period following suppression refrigerator temperature rise during the defrost mode, comprising the step of driving a cooling fan method.

According to the present invention, in the conventional defrosting method and the internal temperature compensation method for driving the cooling fan for a predetermined time after defrosting, the defrosting time was not properly compensated for in consideration of the defrosting time which is variable according to the degree of frost formation. By improving the disadvantages and controlling the addition of the high temperature compensation step in the defrosting step, it is possible to narrow the variable range of the refrigerating compartment temperature and consequently to maintain the freshness of the food stored in the refrigerator more effectively.

Description

How to suppress the temperature rise in the fridge in defrost mode

Since this is an open matter, no full text was included.

1 is a block diagram illustrating a hard warn block for illustrating the present invention, and FIG. 2 is a flowchart illustrating a refrigerating chamber temperature increase suppression method according to the present invention.

Claims (2)

Determining whether the heater is driven during defrosting; Starting the defrosting operation by energizing the heater 5 provided in the refrigerator when it is determined in the determination step that the heater is driven; Determining whether the defrost sensor detection temperature in the sensor unit 1 is 10 ° C. or more; Determining whether a detection temperature of a refrigerator compartment sensor is 4 ° C. or more when the detection temperature is less than 10 ° C. in the defrost sensor detection temperature determination step; If the sensing temperature is less than 4 ° C. in the sensing temperature determination step of the refrigerating chamber sensor, returning to a previous step and continuing energizing the heater; Performing a pre-cooling and then returning to a previous step when the sensing temperature is 4 ° C. or higher in the sensing temperature determination step of the refrigerating compartment sensor to continue energizing the heater; Stopping energizing the heater when the detection temperature is 10 ° C. or higher in the defrost sensor detection temperature determination step; And controlling the temperature increase in the refrigerating compartment in the defrost mode, the method comprising: driving the cooling chamber after having a rest period outside the predetermined time period. The method of claim 1, further comprising: determining whether the step of performing precooling is a precooling mode; Setting the reference preset temperature for the refrigerating fan operation by decreasing the predetermined width in the pre-cooling mode; Initiating refrigerating fan operation; Stopping the operation of the refrigerating fan when the internal temperature falls to the reduced reference set temperature, and continuing energizing the heater (5). ※ Note: The disclosure is based on the initial application.