TH33683B - Motor drive control for washing machines - Google Patents

Abstract

The fully automatic washing machine DC60 consists of an outer drum, a rotating drum that is worn in the outer drum in a rotating manner, a agitator worn in a rotating drum in a rotating manner, and Brushless motor for direct drive A rotating drum and at least one stirrer, the brushless motor consists of a multi-phase winding assembly and the rotor, and the washer also has a rotor position sensing element. To detect the rotator's rotation position as well, the rotor position detection element They are less numbered than the different phases of the motor. Yes, to generate a sinusoidal energy signal. For each of the phases, depending on the position of the detected rotation of the last rotor, is the propulsion element to power the multi-phase winding depending on the power signal. The fully automatic washing machine consists of an outer drum, a rotating drum that is worn inside the outer drum in a rotating manner, with The agitator is worn in a rotating drum in a rotating manner, and a brushless motor for direct drive. A rotating drum and at least one stirrer, the brushless motor consists of a multi-phase winding assembly and a rotor, and the washer also has a rotor position sensing element. To detect the rotator's rotation position as well, the rotor position detection element The number of phases is less than that of the motor. Yes, to generate a sinusoidal energy signal. For each of the phases, depending on the detected rotation position of the last rotor, is the thrust element to power the multi-phase winding depending on the power signal.

Claims (6)

1.washing machine It has the following components: outer tank, rotating tank, which is worn inside the inner tank in a rotating manner. The stirrer is worn in a rotating drum in a rotating manner. A brushless motor that drives at least one of the rotating tanks and direct stirrers, a brushless motor that includes a multi-phase winding unit and a rotor. A number of rotor position detection elements for inspection Grasp the rotation position of the rotor. With at least one of the elements in the detection For a certain number of rotor positions, the number of rotor position detection elements is small. Than the number of phases Energy signaling element for generating a power signal that is Sine wave for each phase of multiple phases It depends on the rotational position of the detectable rotor and the thrust element for powering a multi-phase winding unit depending on Signal for energy that is generated 2. Washing machine It has the following components: outer tank, rotating drum that is worn inside the outer tank in a rotating manner. The stirrer is worn in a rotating drum in a rotating manner. A brushless motor for pushing one or more of the rotating drum and direct stirrer, a brushless motor including a multi-phase winding unit and rotor. A number of rotor position sensing elements for detecting Rotor rotation position The element generates the first energy signal to generate the first energy signal. It is a true sine wave for each of the multiple phases. Depending on the rotation position of Detectable rotor By a number of rotor position detection elements The element generates a second energy signal to generate a second energy signal. It is a sine wave, but the fly phase depends on the rotor rotation position. Detectable by One of a number of rotor position detection elements. A selector for selecting the energy signal of the generating element. The first or second energy of an element generates a second energy signal and a thrust element to power a multi-phase winding unit, depending on 3. The washing machine according to claim 1, in which the energy signaling element will include the changing time interval element for measuring the time between Change in magnitude in the signal representing the position of the rotor detected by the Detects the position of a number of rotors. The judgment element defines the phase of the voltage for determining the voltage phase. Depending on the measured period And the position of the detectable rotor A voltage rating element to store the voltage rating of a voltage and a generating element for generating a sine wave energy signal. Indeed, for each phase of a multi-phase, depending on the phase of the voltage and the voltage rating 4. Washers according to claim 2, in which the element generates a signal to power at The first and second will include the changing time measurement elements for the time intervals. Change in magnitude in the signal representing the position of the rotor detected by the Detects the position of a number of rotors. The judging element defines the phase of the voltage for determining the phase of the Voltage depending on the measured time And the position of the detectable rotor Voltage Rating Element stores the phase-voltage rating of the voltage and the element for generating For generating a sinusoidal energy signal like Indeed, for each phase of several phases depending on the phase of the voltage. And the voltage rating 5. The washing machine according to claim 3 also consists of The elements decide the electrical angle. For determining the incremental period for every (formula), where n is the number of sensing elements for the rotor position and the incremental period is the added phase angle unit to the phase voltage. Predefined data Which corresponds to the position of the rotor, this information is written so that the timing works according to the change in position of the rotor and the decision element determines the phase order For determining the phase order of the voltage Where the phase of the voltage is the sum of the values determined by the deciding element, the electrical angle and the value determined by the deciding element, determines the phase order 6. The washing machine according to claim 4 also consists of The deciding element defines the electrical angle for determining the incremental period for every (formula), where n is the number of detecting elements for the rotor position, and the incremental period is the added phase angle unit. Of voltage Predefined data Which corresponds to the position of the rotor, this information is written so that the timing works according to the change in position of the rotor and the decision element determines the phase order For determining the phase order of the voltage Where the phase of the voltage is the sum of the values determined by the deciding element, determining the electrical angle and the value determined by the deciding element, determining the phase order 7. Washer according to claim 1, where the number of sensing elements position The rotor has two components. And where the rotation position detected by the The two-component rotor position detection will change every rotation angle of the rotor corresponding to (formula) (rad). 8. Washer according to claim 2, in which the number of elements in the position detection. The rotor has two components. And where the rotation position detected by the The two-component rotor position detection will change every rotation angle of the rotor corresponding to (formula) (rad) 9. Washers according to claim 1, where the number of elements in the position detection. The rotor has one element. And where the rotation position detected by the Detect the rotor position to change every rotor rotation angle corresponding to (formula) (rad) 1 0. Washer according to claim 2, where the selected function selects the elements that Create a signal for energy at one of the washing operations. And the elements that generate the signal for energy that Two in action 1 1. Washing machine according to claim 2, in which the selected function selects the elements that Generates the first energizing signal when the rotational speed of the brushless motor is lower than a predetermined value and the part that serves to select the element that generates the second energy signal when the rotational speed of the brushless motor is Or more than the preset value 1 2. Washing machine according to claim 2 where the selected page selects the component that is Generates the first power signal when the brushless motor is started and when it accelerates rapidly, and the selective duty component selects the second energizing component. In the condition that the brushless motor rotates evenly 1 3. Washing machine It has the following components: outer tank, rotating drum that is worn inside the outer tank in a rotating manner. The stirrer is worn in a rotating drum in a rotating manner. The brushless motor drives at least one of the rotating tanks and the direct stirrer. The brushless motor includes a multi-phase winding unit and rotor. Rotor position detector for detecting the rotational position of the rotor. The rotating energy signal generator creates a signal for Rotational power for each phase of the multiple phases of the rotor The signal generating element provides power to set the position to generate the signal. Positioning power for each phase of the multi-phase To maintain the position Rotor preset Motor operating selector for selecting the power signal of The element generates a signal for energy to spin. The oscillating element and the propulsion element to power the multi-phase winding unit, depending on Selected energy signal 1 4. Washing machine It has the following components: outer tank, rotating drum that is worn inside the outer tank in a rotating manner. The stirrer is worn in a rotating drum in a rotating manner. A brushless motor for driving at least one of the rotating tanks and agitators. Without the use of a transmission mechanism, brushless motors including a multi-phase winding unit and rotor position detector rotor to detect the rotational position of the rotor. The element generates a phase order for creating a phase to select the magnitude of the difference. The phase difference between the sinusoidal AC voltage supplied to the brushless motor and the rotor position. The component generates a voltage command for generating a voltage command to select. The magnitude of the sine wave AC voltage given to the brushless motor. Changed time interval component for measuring the time interval between A large shift in the signal represents the rotor position detected by the rotor position detector. The deciding element determines the phase of the voltage for determining the phase of the voltage. Depending on the rotor position, measured duration, and phase command, the voltage rating element stores the phase voltage rating of the mains voltage. The rotation work is a true sine wave for each phase of the multiphase of the rotor. Depending on Voltage Phase, Voltage Phase of Voltage And voltage command The signal generating element provides power to set the position to generate the signal. Positioning power for each phase of the multi-phase To maintain the preset position Of the rotor. Depending on the phase of the voltage Voltage phase rating of voltage and voltage command. Motor operating selector for selecting the power signal of The rotating energy signal element or the energy signal generator element. To set the position and the thrusters for powering a multi-phase winding unit, depending on Selected power signal 1 5. Washing machine according to claim 13, which serves to select the operating of the motor. The element that generates spin energy is selected before the element that generates the spin. Energy in positioning 1 6. Washing machine according to claim 14, which serves to select the operating of the motor. The element that generates the spin power is selected before the element that generates the spin. Positioning energy 1 7. Washing machine according to claim 13, which signals to provide location power. The rotor positions between the positions indicated by the rotor position sensing section. And where the parts are made The motor operating selection function selects the elements that generate the signal to power the position First, the element that generates the power signal in the rotation. 1 8. Washer according to claim 14, which signal provides power in the location. The rotor positions between the positions indicated by the rotor position sensing section. And where the parts are made The motor operating selection function selects the elements that generate the signal to power the position First, the element that generates a signal to power rotation 1 9. Washer according to claim 13, in which the brushless motor is alternately rotated in the normal and reverse direction. And the rotor position element that generates the signal Position power during the period between normal and reverse rotation 2 0. Washing machine according to claim 14 in which the brushless motor is alternately rotated in Normal direction and reverse direction. And the rotor position element that generates the signal The position power in the interval between normal rotation and reverse rotation. 2. 1. Washer according to claim 15, in which the brushless motor is rotated alternately in Normal direction and reverse direction. And the rotor position element that generates the energy signal In position at intervals between normal and reverse rotation 2 2. The washing machine according to claim 16, in which the brushless motor is rotated alternately in Normal direction and reverse direction. And the rotor position element that generates the energy signal In position at intervals between normal and reverse rotation. 2. 3. Washer according to claim 17, in which the brushless motor is rotated alternately in Normal direction and reverse direction with And the rotor position element that generates the energy signal In position at the interval between normal and reverse rotation. 2. 4. Washers according to claim 18, in which the brushless motor is rotated alternately in Normal direction and reverse direction. And the rotor position element that generates the energy signal In position at intervals between normal and reverse rotation 2 5. Washer according to claim 19 in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 2 6. Washing machine according to claim 20, in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 2. 7. Washing machine according to claim 21, in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 2. 8. Washing machine according to claim 22, in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 2. 9. Washing machine according to claim 23, in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 3 0. Washing machine according to claim 24, in which the brushless motor is continuously powered by normal rotation. Reverse rotation And operating position 3 1.A washing machine according to claim 14, in which voltage and phase orders will change. Continuous conversion during the operation of the 3 brushless motor 2. Washer according to claim 1 in which the rotor position is displayed. By digital signal 3 3. Washers according to claim 2, in which the rotor position is indicated by Digital signal 3 4. Washing machine according to claim 13, in which the rotor position signal will be Represented by digital signal 3 5. Washing machine according to claim 14, in which the rotor position signal will be Represented by digital signal 3 6. Washing machine claim 8 which elements generate a signal to provide energy that one will Depending on the rotational position of the rotor detected by the rotor position detection element, one of the detecting elements, the rotor position changes, every angle of the rotor rotation corresponding to (formula) (rad ) And which element generates a second energy signal will Generates a truly sine wave energy output for each of the multiphase phases depending on With the rotational position of the detected rotor by one of the sensing elements Rotor position