D06F34/10

DRYER

A dryer comprises: a cabinet; a drum rotatable inside the cabinet; and a hot air supply device for supplying the inside of the drum with hot air. The drum includes: a rear plate to be arranged on the rear side of the drum, the rear plate including a hot air supply hole through which hot air flows toward the drum; and a hot air supply rod protruding along a direction toward the front of the drum and through which the hot air from the hot air supply hole flows toward the drum, the hot air supply rod includes: a humidity sensor to be arranged on the front of the hot air supply rod to measure the humidity of object to be dried; and a self-generation device to generate power as a magnet rotatable with the drum rotates, to supply power generated to the humidity sensor.

DRYER

A dryer comprises: a cabinet; a drum rotatable inside the cabinet; and a hot air supply device for supplying the inside of the drum with hot air. The drum includes: a rear plate to be arranged on the rear side of the drum, the rear plate including a hot air supply hole through which hot air flows toward the drum; and a hot air supply rod protruding along a direction toward the front of the drum and through which the hot air from the hot air supply hole flows toward the drum, the hot air supply rod includes: a humidity sensor to be arranged on the front of the hot air supply rod to measure the humidity of object to be dried; and a self-generation device to generate power as a magnet rotatable with the drum rotates, to supply power generated to the humidity sensor.

WASHING MACHINE AND METHOD OF CONTROLLING THE SAME
20170327990 · 2017-11-16 ·

Disclosed herein are a washing machine and a method of controlling the same. The washing machine includes a motor configured to generate a rotational force, an inverter module with a plurality of switching circuits installed therein and configured to adjust a driving current supplied to the motor, and a controller configured to detect whether a fault signal is generated by an overcurrent in the inverter module and to control opening and closing of at least one of the plurality of switching circuits based on a detection result of the occurrence of fault signal when controlling the driving of the motor.

ROTOR ASSEMBLY FOR A DIRECT DRIVE MOTOR
20170317539 · 2017-11-02 · ·

A rotor assembly is provided for a motor of a laundry appliance. The rotor assembly includes a rotor frame having a hub region that extends radially outward from a central hub, and a cylindrical rim extending axially from the hub region. The rotor assembly further includes a yoke disposed at an inner surface of the cylindrical rim, and a plurality of magnets disposed at an inner surface of the yoke, wherein the yoke comprises a helically wound metal strip.

VOLTAGE DOUBLING CIRCUIT FOR LAUNDRY TREATING APPLIANCE WITH HIGH POWER VARIABLE FREQUENCY DRIVE
20220056628 · 2022-02-24 ·

A circuit that increases input voltage to higher output voltage connected to a variable frequency drive in an appliance. Several switching arrangements, timing, and safety mechanisms are in place to assist. When the circuit experiences high draw, high voltage output values of circuit decrease over time, but different aspects of the circuit can be constructed so that the amount of time required at a higher voltage does not exceed the amount of time in which the high voltage output is provided.

Household appliance having a controller for an electrical energy supply network having an associated data network and method for operating a controller of a household appliance on said energy supply network

A household appliance includes a controller operating on an energy supply network having a data network for exchanging data via the energy supply network, wherein the network may include smart metering. The controller has a first control component embodies as a computer, a second control component for settings data, a third control component for operating data, and a fourth control component connected with the first control component and including a graph algorithm. The first control component determines data for controlling actuators from the settings data and the operating data. Through cooperation of the first control component, the fourth control component and the graph algorithm, the data from the data network for the household appliance are taken into account so as to allow operation of the household appliance always to continue. A corresponding method for operating such household appliance is also described.

DETERGENT POURER STERILIZER AND STERILIZING METHOD THEREBY
20170284011 · 2017-10-05 ·

Disclosed herein is a detergent pourer sterilizer. In one aspect, a detergent pourer sterilizer is provided to include a housing including a hollow portion having an open side; a detergent pourer configured to be detachably attached to the housing; a cover member configured to open or close the one open side of the hollow portion; and at least one UV LED configured to emit ultraviolet light toward the hollow portion.

Method and circuit for determining dispersion of electric power towards ground in electric appliances

An electric appliance (100) is disclosed. The electric appliance has an electric load (205), and a driving element (215) for selectively energizing/de-energizing the electric load (205). The driving element (215) has a first driving terminal (A.sub.1) coupled to a first load terminal (T.sub.1) of the electric load, a second driving terminal (A.sub.2) coupled to a first power supply terminal (T.sub.N), and a control terminal (G) for switching on/off the driving element (215) thereby allowing said selective energization/de-energization, respectively. The electric appliance also has a switching element (230) for selectively coupling a second power supply terminal (T.sub.L) to a second load terminal (T.sub.2) of the electric load (205). The electric appliance (100) further has a detection arrangement (210,220) configured for detecting a first electrical quantity (V.sub.A1) at the first driving terminal (A.sub.1), and at least one between a second electrical quantity (V.sub.T2,CL,V.sub.T2,OP) at the second load terminal (T.sub.2) and a power supply electrical quantity (V.sub.MAINS) at the second power supply terminal (T.sub.L). The detection arrangement (210,220) has a coupling element (220) coupling the first driving terminal (A.sub.1) to the second load terminal (T.sub.2), and a control unit (210) coupled to the first driving terminal (A.sub.1), and to at least one between the second load terminal (T.sub.2) and the second power supply terminal (T.sub.L). The control unit (210) is further configured for determining dispersion of electric power towards ground in the electric load (205) according to the detected electrical quantities.

Motor driving apparatus and laundry treatment machine including the same

The laundry treatment machine, absent a position sensor to sense the rotor position of a motor, includes a driving unit having an DC/AC inverter, an voltage detection unit to detect output voltage, and an inverter controller to control the inverter. The output voltage detection unit includes a plurality of resistors connected between the inverter and the motor and a comparator to compare voltage detected by some of the resistors with reference voltage and to detect pulse width modulation (PWM)-based output voltage. The voltage detection unit outputs the PWM-based output voltage output from the comparator to the inverter controller in a first mode in which at least one switching device of the inverter is turned on. The voltage detection unit outputs voltage detected by other some of the resistors to the inverter controller in a second mode in which all switching devices of the inverter are turned off.

CIRCUIT ARRANGEMENT FOR CONTROLLING A PLURALITY OF ELECTRICAL LOADS
20220231505 · 2022-07-21 ·

A circuit arrangement for controlling a plurality of loads of an electrical appliance has a main control module, arranged in a first voltage range and configured to generate control data for controlling a plurality of loads, which are arranged in a second voltage range. A galvanic isolation unit transfers the control data via a galvanically isolated connection from the first voltage range to the second voltage range. At least one auxiliary control module has a plurality of control outputs for the loads and an LED driver for operating a corresponding plurality of LED arrangements via the of control outputs, and/or a general-purpose input/output expansion circuit with programmable control outputs. Based on the control data, the auxiliary control module identifies a first control output for controlling the first load and causes the first load to be controlled via the first control output.