washing machine

Abstract

This disclosure provides a washing machine equipped with a base case that is easy to manufacture while having cooling air exhaust performance and cover support strength. [Solution] The washing machine in this disclosure comprises a housing, a rotating tub housed within the housing and having a rotational axis, a water tank enclosing the rotating tub, and a control device that controls at least a driving means for driving the rotating tub to perform a predetermined washing operation, wherein the control device comprises a power supply board having electronic components, a board case housing the power supply board, a cover covering the board case, and a cooling fan for generating airflow inside the board case, the board case having a base surface on which the power supply board is arranged opposite to, and a first outer casing formed on the outer periphery of the base surface and protruding from the base surface in a direction perpendicular to the base surface, and the first outer casing has a ventilation opening cut out from the protruding end of the first outer casing toward the base surface.

Claims

1. A washing machine comprising a housing, a rotating drum housed within the housing and having a rotational axis, a water tank enclosing the rotating drum, and a control device that controls at least a driving means for driving the rotating drum to perform a predetermined washing operation, The control device comprises a power supply board having electronic components, a board case housing the power supply board, a cover covering the board case, and a cooling fan that generates airflow inside the board case. The substrate case has a base surface on which the power supply board is positioned opposite to it, and a first outer casing formed on the outer periphery of the base surface and protruding from the base surface in a direction perpendicular to the base surface, The first outer casing has a ventilation opening cut out from the protruding end of the first outer casing toward the base surface. washing machine.

2. The substrate case has a second outer casing formed at a position offset from the first outer casing towards the inner or outer circumference of the base surface, and the second outer casing protrudes from the base surface in a direction perpendicular to the base surface. Wiring is held between the first outer casing and the second outer casing. The washing machine according to claim 1.

3. The second outer casing includes a covering portion that covers the ventilation opening from a side offset from the first outer casing, In the outer peripheral direction of the power supply board, the surface width of the covering portion is greater than or equal to the opening width of the ventilation opening. The washing machine according to claim 2.

4. A bent portion is formed at the end of the first outer casing facing the ventilation opening in the outer circumferential direction. A washing machine according to any one of claims 1 to 3.

5. Of the first outer casing and the second outer casing, the outer casing located on the inner circumference side of the base surface has an opening cut out from the protruding end of the outer casing toward the base surface. The power supply board comprises a power wiring connection section provided at a position opposite the opening to which power wiring is connected, and a signal wiring connection section provided at a position spaced apart from the opening to which signal wiring is connected. The power wiring connected to the power wiring connection portion is led out from the opening and held between the first outer casing and the second outer casing, spaced apart from the signal wiring. The washing machine according to claim 2 or 3.

6. An electrolytic capacitor is provided on the power supply board at a position opposite to the covering portion. The washing machine according to claim 3.

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