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US 12,422,160 B2Granted
Apparatus for controlling fan motor, air conditioning system and constant airflow control method of apparatus for controlling fan motor
AssigneeLG Electronics Inc.
InventorsJeonggu Kang, Cheolmin Cho, Jihyun Ahn, Moonho Park
Life of this patent
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Abstract
A motor control apparatus may relate to a motor control apparatus, an air conditioning system, and a constant airflow control method of a fan motor control apparatus of an indoor unit, in which table information on an airflow command value corresponding to a reception pattern or type of a signal is prestored to determine a corresponding airflow command value from the table information according to a result of receiving the signal from a central control apparatus so as to control an operation of a fan motor.
Claims19
A motor control apparatus to control a fan motor of an indoor unit, the motor control apparatus comprising:
- a communication device configured to receive a signal from a control apparatus of the indoor unit through a plurality of communication lines, the control apparatus is separate from the motor control apparatus;
- a storage configured to store control command for controlling the indoor unit as table information corresponding to a reception pattern of the signal through the plurality communication lines;
- and
- a controller configured to determine an airflow command value to be supplied to a room in which the indoor unit is installed based on the stored table information and a result of receiving the signal, and to control operation of the fan motor based on the determined airflow command value, wherein the control apparatus is configured to calculate the airflow command value based on an operating state of the air conditioning system using the stored table information, and to determine the reception pattern corresponding to the airflow command value based on the stored table information so as to transmit the signal through the one or more communication lines according to the determined reception pattern.
1 more element
A motor control apparatus to control a fan motor of an indoor unit, the motor control apparatus comprising:
- a communication device that configured to receive a pulse width modulation (PWM) signal from a control apparatus of the indoor unit through a communication line, the control apparatus is separate from the motor control apparatus;
- a storage configured to store table information, the table information including a plurality of control command values and a corresponding duty ratio of a PWM signal for each of the plurality of control command values;
- and
- a controller configured to determine an airflow command value to be supplied to a room in which the indoor unit is installed based on the stored table information and a result of receiving the PWM signal, and to control operation of the fan motor based on the determined airflow command value, wherein the control apparatus is configured to calculate the airflow command value based on an operating state of an air conditioning system using the stored table information, and to determine the duty ratio corresponding to the airflow command value based on the stored table information so as to transmit the PWM signal through the communication line according to the determined duty ratio.
1 more element
An air conditioning system for performing air conditioning for a plurality of rooms through a duct, the air conditioning system, comprising:
- an outdoor unit;
- an indoor unit configured to provide airflow to the plurality of rooms through the duct;
- a control apparatus configured to control the outdoor unit and the indoor unit to control air conditioning;
- and
- a motor control apparatus configured to control a fan motor of the indoor unit based on a result of receiving a signal from the control apparatus through one or more communication lines, wherein the motor control apparatus comprises:
- a communication device configured to receive the signal through the one or more communication lines;
- a storage configured to store table information, the table information including a plurality of control command values each separately corresponding to a reception pattern of a signal and parameter information for controlling airflow of the indoor unit;
- and
- a controller configured to receive the signal from the communication device, to determine an airflow command value based on the signal received from the communication device and based on the stored table information, and to determine control information for controlling constant airflow of the indoor unit based on the determined airflow command value and the parameter information, and to control operation of the fan motor based on the determined control information, and wherein the control apparatus is configured to calculate the airflow command value based on an operating state of the air conditioning system using the stored table information, and to determine the reception pattern corresponding to the airflow command value based on the stored table information so as to transmit the signal through the one or more communication lines according to the determined reception pattern.
6 more elements
Dependencies are inferred from the claim text.