摘要:
A full-automatic washing machine includes an outer tub, a rotatable tub rotatably mounted in the outer tub, an agitator rotatably mounted in the rotatable tub, and a brushless motor for direct driving at least one of the rotatable tub and the agitator. The brushless motor including windings of a plurality of phases and a rotor. Also, the washing machine includes rotor position detecting elements to detect a rotational position of the rotor. The rotor position detecting element are less in number than the phases of the motor. An energizing signal forming element to generate a sinusoidal energizing signal for each of the phases based on the detected rotational position of the rotor. Last, a driving element to energize the windings of the phases based on the energizing signals.
摘要:
A washing machine includes a hollow tub shaft mounted on a first stationary portion of the machine for rotation, a rotatable tub rotatably mounted on an upper end of the tub shaft, an agitator shaft concentrically inserted in the tub shaft for rotation, an agitator mounted on the upper end of the agitator shaft, a stator fixed to a second stationary portion of the machine to be concentric with the agitator shaft to constitute an electric motor together with the stator, and a clutch including a holder mounted on the tub shaft for rotation with the tub shaft. The clutch further includes a first engagement portion formed in a third stationary portion of the machine, a second engagement portion formed in the rotor, a lever mounted on the holder to be selectively engaged with one of the first and second engagement portions, the lever operatively coupling the rotor to the agitator shaft when engaged with the first engagement portion, the lever operatively coupling the rotor to both of the agitator and tub shafts when engaged with the second engagement portion, and toggle type springs holding the lever in engagement with the first and second engagement portions respectively.
摘要:
An abnormal vibration detecting device for detecting abnormal vibration of a rotational tub of a washing machine includes first and second abnormal vibration detectors. The first abnormal vibration detector includes a detecting lever rotatively moved where it collides with the rotational tub when it vibrates transversely, and a detection switch responsive to the rotative movement of the detecting lever. The second abnormal vibration detector includes a rotational speed detecting section detecting the rotational speed of a motor driving the rotational tub and a comparator section comparing a speed signal detected by the rotational speed detecting section with a reference speed signal determined based on the rise characteristic of rotation of the rotational tub appearing in the state that the rotational tub is in the condition of slight abnormal vibration.
摘要:
An operation control device for a washing machine incorporating electrical equipment such as a motor and electromagnetic valves includes a sub microcomputer for controlling the electrical equipment incorporated in the washing machine and a host microcomputer supplying control commands to the sub microcomputer to control the same. The host microcomputer determines whether or not a control sequence of the washing machine has reached a stage where the incorporated electrical equipment are to be controlled by the sub microcomputer and then, supplies a reset signal to the sub microcomputer to reset the same when a result of the determination signifies a negative.
摘要:
A timer device, which displays a load operation state, includes a clock counter, a load counter, a display and a controller. The display displays a count value of the load counter when the load counter is counting and displays a count value of the clock counter otherwise. The controller causes the display to flash in synchronism with the changing of the count of the load counter when the load counter is being operated.
摘要:
A power storage device includes a plurality of power storage elements (10) lined up along a predetermined arrangement direction; a dividing member (40) that is made of insulating material and arranged between two adjacent power storage elements; a pair of end plates (31) that sandwich the plurality of power storage elements, and apply restraining force thereto, in the arrangement direction; and a metal connecting member (32) that extends in the arrangement direction and is fixed to the pair of end plates. The dividing member includes a retaining portion (42) that is positioned between the power storage elements and the connecting member, and that retains the connecting member.
摘要:
The present invention has an object of obtaining excellent anti-noise performance and a high level of flexibility in a flexible circuit board. A flexible circuit board 13 according to the present invention has a flexible insulating base material 21, a plurality of wiring patterns 22 formed at prescribed intervals on one surface 21a of the insulating base material 21, and a conductive layer 23 formed on the other surface 21b of the insulating base material 21. The conductive layer 23 is disposed so as to overlap first wiring patterns 22A, which is a select set among the plurality of wiring patterns 22, and does not overlap all of the wiring patterns 22.
摘要:
A power supply apparatus that can achieve preferable holding and fixing of components constituting the power supply apparatus and can preferably prevent a liquid short-circuit and a leakage of current due to condensed water. The power supply apparatus includes a power supply unit having a plurality of power supply elements stacked with each other, an upper case and a lower case which house the power supply unit. The power supply further includes an auxiliary fastening portion which is fixed to the lower case and provides a space S between a lower surface of the power supply unit and the lower case, and fastening portions that are placed on the left and right of the power supply unit when viewed in a direction in which the power supply elements are stacked. The fastening portions fastening the power supply unit to the upper case.
摘要:
A driving voltage generating circuit of a matrix-type display device includes a voltage dividing resistor group composed of a plurality of voltage dividing resistors connected in series, for dividing a potential a difference of a reference voltage. It also includes operational amplifiers for generating and outputting row voltages (a selective voltage and a non-selective voltage) to be applied to row electrodes, by subjecting each voltage obtained by voltage division to impedance conversion. A p-channel MOSFET and an n-channel MOSFET as analog switches for altering a level of each voltage thus generated are provided in parallel with voltage dividing resistors at ends of the voltage dividing resistor group. With this arrangement, the number of elements necessary for the circuit, for example, MOSFETS and level shifters for controlling the MOSFETS, can be decreased. Therefore, the size of the driving voltage generating circuit can be reduced. As such, price lowering and reduction of power consumption can be achieved.
摘要:
A full automatic washing machine includes an outer tub, a rotatable tub mounted for rotation in the outer tub, an agitator mounted for rotation in the rotatable tub, a brushless motor for directly driving the agitator or the rotatable tub and the agitator, and a Hall IC for detecting a rotational position of a rotor of the brushless motor, generating a position signal. A sinusoidal energization signal is formed on the basis of the position signal generated by the Hall IC. The brushless motor is energized on the basis of the formed energization signal.