ELECTRICAL EQUIPMENT

PROBLEM TO BE SOLVED: To reduce circuit loss generated in a circuit in a case of operating direct current load thereby to reduce power consumption and simplify the circuit, in a refrigerator having the circuit including a plurality of direct current loads with different rated voltages.SOLUTION: A refrigerator 1 includes a control microcomputer 26 and a direct current fan motor 30 that are direct current loads. The refrigerator also includes a variable direct current power supply circuit 40 configured to perform output to the direct current fan motor 30 as a direct current load operating with different voltage, and a stationary power supply circuit 24 configured to output fixed voltage equal to or less than variable output voltage to the control microcomputer 26 on the basis of the output voltage of the variable direct current power supply circuit 40.SELECTED DRAWING: Figure 3 【課題】冷蔵庫で、複数の定格電圧が異なる直流負荷を備えた回路を有し、直流負荷を動作させる場合に回路で生じる回路損失を減少させ低消費電力化および回路の簡素化を図る【解決手段】本発明に係る冷蔵庫１は、直流負荷である制御マイコン２６とＤＣファンモータ３０とを備え、異なる電圧で動作する直流負荷であるＤＣファンモータ３０に出力する可変直流電源回路４０と、可変直流電源回路４０の出力電圧を基に可変出力電圧の電圧以下の固定電圧を制御マイコン２６に出力する固定電源回路２４と備える。【選択図】図３