TH13635B - Methods and controls for controlling the motor of the air conditioner. - Google Patents

Abstract

A control device for controlling the motor of an air conditioner consisting of a loop Rove the converter to convert AC power to DC current and define the AC power factor input voltage that is sinusoidal. Wave of the same phase as that of The input voltage by means of the switching path is minimum and the first and second brushless motor. To drive the compressor and the blower fan First and second inverting circuits to convert the converted DC power to AC power and supply the motor. And microcomputer To control, at a minimum, the air conditioner compressor and blower fan, the microcomputer is built in such a way that the input and output chambers are essential to control the unit. Air conditioning is operated by the input and output circuits equal to the least control. Compressor and blower of air conditioner The alternating current that is the input from the AC current is given as a sinusoidal. Same phase wave as that of AC voltage as input in power adjustment. AC power input factor PWM signal to control off / on. The switching path included in the converter circuit to obtain the DC current of the inverting converter circuit is It is built into the microcomputer on the base of the alternating current that is the input of the AC current and the DC voltage as the output of the converter circuit and is sent to the output at the same time the PWM signal to Control off / on The switching path of the inverting circuit is established. In the microcomputer, and the output goes out to control the motor.

Claims (3)

1. A number of motor control methods of an air conditioner with a converter for converting AC power to DC current consist of the steps of: determining the waveform of current. Switch that is input to a sine wave with the same phase as that of the input voltage of the waveform of Alternating current using a switching method To drive a number of motors to spin at least the compressor and the air conditioner blower. Converting the converted DC power to AC current using a inverters attached to each motor respectively. And supply AC power to each motor and control at least the compressor And a fan blowing of air conditioners with a microcomputer One by outputting a control signal from a microcomputer for controlling the switching path by It corresponds to the alternating current that is the input and the DC voltage as the output of the converter and the output of the control signal from the microcomputer to control a number of inverters. 2. Method according to claim 1, where the motor A number consists of brushless motors 3. Method of claim 1 where a number of motors consists of at least one motor. Without one carbon brush And at least one induction motor 4. A number of motor control methods of air conditioners with converters for converting AC power to DC current consist of a procedure of: The alternating current that is the input is a sinusoidal wave with the same phase as the input voltage of the waveform. Of alternating current using a switching method To drive a number of motors to spin at least the compressor. And blower of air conditioner Converting the converted DC power to AC power and supplying AC power to each motor using a inverters attached to each motor respectively, and controlling at least the compressor and the air conditioner blower by Use a microcomputer A single router by outputting a PWM signal from a microcomputer to control the switching path by It corresponds to the alternating current that is the input and the DC voltage as the output of the converter, and the output of the PWM signal from the microcomputer to control a number of inverters. 5. Method according to claim 4, where the motor A number of motors No carbon brushes 6. Method for claim 4 where a number of motors consist of at least One brushless motor And at least one induction motor. 7. A number of motor control devices for the air conditioner that includes: A converter for converting A to DC current and a waveform configuration. Switch that is input to a sine wave with the same phase as that of the input voltage of the waveform of Alternating current using a switching method A number of motors to drive at least one compressor. And blower of air conditioner A number of inverters, each for converting the converted DC power to AC power and supplying AC power to each motor, a microcomputer for controlling the compressor. And blower of air conditioner Way to control the converter For outputting control signal from the microcomputer for controlling the switching path accordingly. With the alternating current as the input and the DC voltage as the output of the converter. And the way to control the converter Back for outputting a control signal from the microcomputer to control a certain number of inverters. Where a certain number of inverters are each connected in parallel. And each supports the converted DC current as output from the converter. 8. Equipment according to claim 7 where a number of motors are composed of a motor. No carbon brush 9. Equipment according to claim 7 where a number of motors consist of at least One brushless motor And at least one induction motor 1 0. A number of air conditioner motor control devices include: a converter with a switching path for converting AC power to DC current and a designation. The waveform of an alternating current that is input is a sine wave with the same phase as that of the input voltage of Alternating current wave model A handful of brushless motors to drive at least the compressor. Sir and blower fan of the air conditioner A number of inverters, each for converting the converted DC power to AC power and supplying AC power to each motor, a microcomputer for controlling, at least the compressor. And blower of air conditioner Way of detention Converts for the output of control signal from the microcomputer to control the switching path in accordance with the alternating current as the input and the DC voltage as the converter output. And the way of control Invert converter for output of control signal from the microcomputer to control the inverting converter. A certain amount corresponding to the rotational speed of each rotor of the brushless motor Some charcoal Where a number of inverters are connected in parallel. Each unit supports the converted DC power as the converter output. 1 1. A number of motor control devices of the air conditioner that include Converter with switching path for converting AC power to DC current and model designation. The input wave is a sinusoidal wave that has the same phase as that of the input voltage. Wave form of alternating current A number of motors to drive at least the compressor and blower of the air conditioner. At least one of the motors will be induction motors. And at least a motor One will be a brushless motor. A number of inverting variables, each for converting the converted DC power to AC power, and supplying AC power to each motor. Microcomputer for controlling the compressor. And blower of air conditioner Way to control the converter For output of control signal to control the switching trajectory from the microcomputer accordingly. With at least the alternating current being the input and the DC voltage being the converter output. And the way of control Inversion converter for output of control signal to control the conductivity of components. Individual switching of the inverters for supplying AC power to each motor from the micro The computer is determined by the rotational speed of each motor's rotor and for the output of a control signal to control the feedback in the AC power supply to the induction motor. Where one number of inverters are connected in parallel. And supports the converted DC power at 2. The motor control instrument consists of a path for correcting the deformed AC line signal to a sinusoidal waveform. A converter for converting the corrected AC cable signal to a fixed DC signal, a number of motors, to drive the corresponding load. Single microcomputer For controlling a number of motors Positioning trajectory for measuring the position of the rotor of Each motor And output the corresponding corresponding position signal Converters connected A number of parallel, each of which drives a corresponding motor And with switching components Each for switching Connection between the converter And the motor windings are associated with each other.The pathway generates a driving signal for generating a signal for driving each related motor in response Connect the corresponding position signal for each motor where the input is from the position sensor. Also micro computer Therefore, each driving signal will have an effect on choosing to drive the switching components. Of each inverting converter in such a way that each motor rode is rotated in response to Synchronized position signal to maintain the desired rotation speed Connection between converters And each motor is switched so that the DC voltage from the converter is converted to AC voltage which is fed to rotate each motor rotor at the desired rate. And the path to create a signal intersection For generating line intersections where each signal has a predetermined period for integration with the drive signal. Selected for the selective drive of the switching components of the inverters each of the inverters has a higher frequency than that of the driven signal at which the inverting signal is driven. And the cut-off signal is generated and sent by the microcomputer to the inverting converter to convert DC voltage to AC voltage and to affect the cut-off of the voltage and the cut-off AC voltage is Fed to the motor, but Each motor is used to control the rotor rotation speed of each motor. 1 3. Motor control equipment according to claim 12, where the microcomputer includes The trajectory for calculating the rotational speed of the rotor of the corresponding motor is given according to Matching position signal And the path for period variation of the corresponding intersection signal so that the The rotor rotation speed is equal to the preset rotation speed 1 4. Motor control instrument according to claim 13, where the cutting path will include the trajectory. Way for doing logic functions between driving signals And the corresponding intersection signal to combine the driving signal at Selected and intersection signals are joined together to guide the selected drive signals to cut the alignment. 1. 5. Motor control tools according to claim 12, where at least one of the motors. Some are induction motors. And at least another of a number of motors is a motor. Without carbon brush One of the induction motor and the brushless motor is connected. Yes, when used to drive the compressor of the air conditioning system, and another one can be connected. When used to drive the blower fan of the air conditioning system 1 6. Motor control instrument according to claim 15, where the microcomputer will include The drive signal path consists of the first driving signal path for the Control of one or more induction motor reversals. And the way to create a second driving signal For generating a driver signal to control the inverters of at least one brushless motor. One driving signal path consists of one driving signal path. Combine to one fundamental wave Or several waves And wave modulation for selectable driving of the part Assemble at least one induction motor inverting switching. To control the motor Inductive model by controlling the frequency of the signal. And a second driving signal that consists of A path for generating a second driving signal for an optional drive of each switching component of the One or more brushless motor reversal in response to position signals. For brushless motor control Signal generation pathways for generating a strong intersection signal The frequency that is set higher than that of the second driving signal Creation of timing of the crossover signal by the timer and the cut-off path selected for the selective driving of the segment. Assemble the corresponding switching of at least one of the brushless motor inverters 1 7. Motor control equipment in accordance with claim 12, where the microcomputer is assembled. With a driving signal generating pathway for selective excitation of components Each switch of each inverters so that each motor rotor is rotated in order to Respond to the corresponding position signal It also contains a path to create a signal intersection for Generates individual intersection signals with a higher predetermined frequency of the corresponding drive signal and a crossover path for breaking the cut off the selected drive signal for segment drive selection. Assemble the switch of the corresponding inverters 1 8. Control equipment for controlling the blower motor And the motor of condenser The air conditioner servo consists of a converter for converting the deformed AC cable signal to a constant DC voltage.A number of motor drives each have a inverting converter for converting DC voltage from the converter to AC voltage and feeding. AC voltage to each coil of the condenser motor and Blower motor of air conditioner A number of location-measuring pathways for each Measures the relative rotor rotation positions of the condenser motor and blower motor and generates a relative position signal depending on the section. Switching drive circuit Each number carries a corresponding number of driver signals for selective driving. Yield of each switch component of each corresponding inverters And microcomputer One for controlling the motor rotation of the condenser. And the blower motor by generating a number of drive signals based on relative position signals to drive each switch component. Of each inverting converter so that the DC voltage from the converter is converted and supplied as AC voltage to the corresponding coil depending on the motor rotation position of the condenser. And the motor of the blower fan 1 9. Control instrument according to claim 18, where the converter has positive and negative poles and where each inverting switch component is placed in the upper arm containing the components. A number of switches for switching The connection between the anode of the corresponding electrical circuit and the relative winding of one of the condenser motors. And the motor of the blower fan and the bottom arm contains a number of switching components for switching the positive connections. Of the relative electrical circuits And the individual coils of the same motor of the condenser and the motor of the blower 2 0. Control instrument according to claim 19, where a single microcomputer including The path generates a cross-section signal for generating a cross-cut signal for controlling the inverting converter so that the DC voltage from the converter is simultaneously converted and crossed to a fixed AC voltage to be supplied to. Each coil of the motor of the condenser And motor of blower fan 2 1. Control instrument according to claim 20, where a single microcomputer will include Trajectory for calculating the rotor rotation speed of each motor in accordance with the signal. Relative position Trajectories for comparing the calculated rotational speeds in the order of Rotors relative to each other with a preset rotation speed. And the means for controlling the route Generates a parallax signal so that a parallax signal is effective in controlling the rotational speed at Relative so that the relative rotor rotation speed is equal to the rated rotation speed. Corresponding preset 2 2. Instrument control according to claim 18, where at least one of the motors of The condenser and the motor of the blower fan are induction motors 2. 3. Instrument control according to claim 18, where at least one of the condenser motor and blower motor is a brushless motor.