KR20090049283A - Vhvac & pump control system having 2phase + 3 phase combined ec-motor - Google Patents

Abstract

The present invention connects a two-phase motor or a two-phase and three-phase combined non-rectifier motor or an electronic rectifier motor (ECM) to an air conditioning fan or blower or pump, thereby saving energy. And non-regulated speed, regulated speed, and constant torque operation to increase safety functions, simplify various intelligent operation controls, and configure an efficient system with excellent performance. It provides motor control system that can selectively set various operation modes such as Constant Torque and Multi-Constant Air Flower or Constant Liquid Flower. It is possible to minimize the loss of the power switching circuit and to provide a rotating magnetic field with improved switching magnetic balance generated in the armature. Two-phase for HVAC fan and pump control, which is equipped with electronic control circuit that can control Excited switching width control and reverse rotation It is a control device of three-phase coupled zero-commutator motor.

Rectifier Motor, Electronic Rectifier Motor, ECM, Two- and Three-Phase Coupled Rectifier Motor, Brushless Motor, Non-constant Speed, Constant Speed, Constant Torque, Constant Flow Operation, Air Conditioning Fan, Blower, Pump

Description

Control device of motor for controlling air-conditioning fan and pump {VHVAC & pump control system having 2phase + 3 phase combined EC-Motor}

The present invention relates to a two-phase and three-phase combined non-rectifier motor used in a fan or blower drive of an HVAC to control air flow and harmony, or a pump drive for controlling the flow and movement of water or liquid. It relates to a control device.

Since the non-commutator motor is closely related to the living environment and life, and is required for a long time or constant operation, the energy consumption is very large, and in particular, the ratio of power consumption required for driving a fan, a blower, or a pump is very large. These rectifier motors have a direct impact on the efficiency and performance of heating, cooling and ventilation systems or pump drive systems.

Therefore, the development of intelligent control system that requires high efficiency motor driving device and demands comfortable performance and safety is urgently needed.

Conventionally, inexpensive and simple AC induction motors have been used a lot, but this AC induction motor has to bear a lot of energy loss and inconvenience because it is very difficult to control the speed necessary for saving energy and providing comfortable operation. The AC induction motor uses a separate inverter for speed control, which is not good in operation efficiency such as noise problem, cost-effective energy saving economy, and has a limitation in providing various operation programs required in addition to speed control.

In addition, recently, fan drive motors using a non-rectifier motor or an electronically commutated motor (ECM) have been put into practical use, but simple small fan drive motors of 100W or less have become mainstream. As a related technology using an electronic rectification motor (ECM) for home and industrial air conditioning and ventilation equipment (HVAC), US Patent No. 5,592,058 (Control System and Methods for a Multi-parameter Electronically Commutated Motor) and US Patent No. 6,456,023 (Method and Apparatus to Control Available Speed Motor), but the device or method that can achieve the specific technical methods and effects to be realized in the present invention was not provided.

The non-rectifier motors or electronic commutation motors (ECMs) used in fans, blowers, or pumps of conventional air-conditioning and ventilation systems are configured with a three-phase motor and a three-phase drive control circuit having an electric rotation angle of 60 °. These motors had limitations in improving the inherent efficiency of the motor, reducing the weight-to-output to reduce the inherent weight of the motor, and reducing torque ripple and cogging to reduce noise. These motors can also be used for various constant speeds, constant speeds, constant torques, air volume / liquid volume control, remote communication control and monitoring, and multiple fans or pumps. It was not possible to provide a single board with the means to control the drive with Modbus and the device to enable data logging.

The problem to be solved by the present invention is a fan or blower of the air-conditioning air conditioner that controls the flow and movement of air for heating or cooling air or ventilation using a lot of energy or water, such as waste water treatment or swimming pool for air conditioning In driving pumps to control the movement and exchange of liquids and liquids, the present invention provides cooling and air conditioning and pump-free commutator motors and controls, which can minimize power consumption of the motors consumed. The motor power of heating, cooling and ventilation systems or pumps requiring continuous operation is considerably larger than that of other motor drives in other fields, which can be minimized.

In addition, the present invention, in the operation and operation of the pump motor used in the heating and cooling of the air conditioning and cooling, and the heating and cooling of the air close to the real life of the human being, it is possible to perform a variety of operation depending on the situation and the optimum operation according to the surrounding environment and high speed And it is to be able to prevent unnecessary energy waste caused by long time operation.

Furthermore, the present invention is to ensure the protection and safety for the heating and cooling system and the person exposed to it, and to enable a comfortable air conditioning and pump driving.

In addition, the present invention is the air-conditioning and ventilation equipment is installed not only in the interior of the house or building, but also outside, so that the normal operation in the extreme ambient temperature environment, and intelligently detects the load variation of the fan or pump to drive the motor in the abnormal state To stop immediately or to reduce the torque to prevent accidents in advance.

In addition, the present invention creates a two-phase and three-phase combined non-rectifier motor having an electric rotation angle of 30 ° proposed by the present applicant and a driving logic control circuit capable of excited phase width control in the drive control circuit. By adding additional power, reducing back EMF losses and avoiding magnetic deep loss points, improving motor inherent efficiency, further improving power savings, and torque ripple and cogging of rotating magnetic fields. It is to reduce the quiet operation of the fan and pump and to minimize the resonance noise.

And the present invention proposed by the applicant, in the two-phase armature and three-phase rotor coupled type two-phase non-commutator motor (patent registration No. 653434) is provided with an armature having a pole formed, the coil winding amount is minimized To reduce the weight of the motor.

In order to solve the above-described problems, the control apparatus of the motor according to the present invention controls the excitation phase width to any one of a single phase rectifier motor, a two phase rectifier motor, an electronic rectifier motor, and a two phase and three phase combined type rectifier motor. It is equipped with a driving logic control circuit that can be used to configure the microprocessor and surrounding signal processing and input devices, so that the constant speed operation, constant speed operation, Device to select and set functions such as constant torque, air volume / liquid volume control, remote communication control and monitoring, means for controlling and controlling multiple fans or pumps by Mod-Bus, and data logging It is provided.

The present invention greatly improves the operation efficiency of the motor drive system by a control device capable of driving a new two-phase non-commutator motor (ECM) of a two-phase armature and three-phase rotor combined type proposed by the applicant. In addition, the low-power consumption operation and various intelligent operation methods, which are especially required for air conditioning and ventilation systems or pump control systems, can be realized in a simple and inexpensive configuration, further saving energy and increasing the economics and convenience of system operation. It is effective to prevent accidents.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a block diagram of a control device of a two-phase and three-phase combined non-rectifier motor as a preferred embodiment of the present invention, Figure 2 is a two-phase or two-phase and three-phase combined non-commutator motor defined in the present invention 3 is an explanatory diagram of an excitation switching width control logic circuit of the present invention, FIG. 4 is a detailed circuit diagram of a power control unit for explaining an embodiment of the present invention, and FIG. 5 is a diagram illustrating a switching width control logic circuit of the present invention. 6 is a diagram illustrating a signal time table, and FIG. 6 is a detailed circuit diagram of an input signal controller for explaining an exemplary embodiment of the present invention.

The present invention proposes a two-phase armature and three-phase rotor coupled type two-phase electronic commutator motor (ECM) or a rectifier proposed by the present applicant (Patent No. 0653434) for driving the fan 1. The power switch circuit 4 for supplying switching power to the motor coils ØA and ØB of the motor BLM 2 is connected, and the gate driving circuit 7 for driving the power switch circuit 4 is connected. Is connected, and the excitation phase width control circuit output signal output from the rotor position detection sensor 3 and the pulse width modulation (PWM) output signal of 20 KHz or more supplied from the output of the microprocessor 10 are connected. And the output of the logic signal processing circuit 9 for receiving and processing various control input signals is connected to the gate driving circuit 7, and detecting the load current flowing through the coils ØA and ØB of each phase of the motor. Current detection circuitry (8) for microprocessor (10) Is connected to the input.

In addition, the present invention is the position detection sensor 3 signal of the motor rotor is connected to the input of the logic signal processing circuit 9, the temperature sensor 16 is connected to the input of the microprocessor 10, the voltage Optically isolated interface circuit 11 for sensing circuit signal 17 connected to the input of microprocessor 10 and relay switch 18 for output of microprocessor 10 and for optically insulating electrical input signals. An output is connected to the logic signal processing circuit 9 and the microprocessor 10, respectively, and includes a constant speed (NRS), a constant speed (RS), a constant torque, a constant air flower / constant liquid amount ( RS485 (13) for input and output of program data, remote communication control and monitoring, communication signals for controlling and controlling multiple fans or pumps with Mod-Bus, and data logging (logging) Autumn light insulation Is connected to the interface circuit 11 is input.

In addition, the present invention provides a signal voltage (0-10Vdc) for commanding run and stop / speed control, which is transmitted from the central system 15 of the air conditioning and ventilation system or the pump control device or when the manual control is performed. Or a speed control pulse width modulated (PWM) output that allows the speed control pulse width modulated signal (PWM) 151 to always be converted to one accurate frequency or a frequency of 80 Hz used in embodiments of the present invention. It is connected to the input of the isolation speed command signal processing circuit 14, and the output of the circuit 14 is connected to the input of the microprocessor 10 via the optical isolation interface circuit 11.

The power supply circuit 5 for supplying the control device of the present invention supplies the DC voltage 54 for rectifying the AC voltage directly to the motor and supplying the power switch circuit 4 to the DC-DC converter. The gate driving voltage 53 of the lowered DC12-15V is supplied to the gate driving circuit 7, and the DC5-12V voltage 52, which is supplied to the logic signal processing circuit 9, is supplied to the logic signal processing circuit 9. On the other hand, DC 12V is supplied to the optical insulation interface circuit 11 through the DC-DC converter 6 insulated from the AC power input to form an electrical insulation relationship with respect to the external input signals, and the control device of the present invention Configure.

In order to receive the external control signal by the power supply device configured as described above, a separate insulated power supply is not required. On the other hand, the motor control apparatus of the present invention can be used for a two-phase non-rectifier motor (B of FIG. 2).

The microprocessor 10 embedded in the control device of the present invention can receive the signal 31 of the position detection sensor 3 of the rotor to calculate the motor rotational speed (RPM), and calculate the power switching circuit 4. The motor load current (8) signal detected from the motor load current (Current) value can be measured and calculated, and the ratio of the speed control command signal input (PWM 80 Hz) transmitted from the optical insulation speed command signal processing circuit 14 is obtained. And a pulse width modulation (20KHz PWM) signal for allowing the motor to be stopped or operated and a variable speed can be output to the logic signal control circuit 9, and the temperature sensor 16 located in the motor housing When receiving a signal, the motor operation can be stopped or reduced when the temperature is higher than the specified temperature value. When the input voltage is applied to the motor, the motor operation is stopped or alarmed. And a program for outputting a signal for driving a relay switch 18 for informing an external user of abnormal operation state by determining motor operation speed, current, voltage, temperature, and the like individually or comprehensively. It is.

Each function and program contents required for the air-conditioning and ventilation facilities and the pump operation provided by the present invention will be described in more detail with respect to the above-described configuration of the present invention.

Non Regulated Speed Control is performed in the preset constant speed firmware program mode. That is, when a command is input to the microprocessor 10 through a factory program 12 that can be set by the user, the microprocessor 10 switches to a preset non- constant speed firmware program mode. The pulse width modulation (PWM) output of the microprocessor 10 is modulated by L (0) or simple proportional increase or decrease in response to the input of the manual speed setting signal (0 to 10 Vdc or PWM). Non-constant speed operation such as simple speed variable operation is performed.

Regulated Speed Control is performed in the preset constant speed firmware program mode. That is, when a command is input to the microprocessor 10 through the factory program 12 that can be set by the user, the microprocessor 10 switches to a predetermined constant speed firmware program mode. Comparing with the rotational speed input signal 31a according to the input of the manual speed setting device signal (0 to 10Vdc or PWM), the pulse width modulation (PWM) output of the microprocessor 10 is converted to L (0) or micro The speed command pulse width modulation (PWM) rate inputted to the processor is modulated so that the constant speed can be maintained at all times. Therefore, constant speed operation is always maintained even in the case of voltage fluctuations or load fluctuations of the fan or pump. This will be done.

Constant torque control is performed in the preset constant torque firmware program mode. That is, when an instruction is input to the microprocessor 10 through the factory program 12 that can be set by the user, the microprocessor 10 switches to the predetermined torque firmware program mode, which is set in the system 15 or the system 15. The motor speed is varied by modulating L (0) or increasing and decreasing the pulse width modulation (PWM) output of the microprocessor 10 according to the input of a manual speed setting device signal (0-10Vdc or PWM), but the preset current By comparing the value with the motor load current input value 81, the pulse width PWM is not increased not to exceed the set value, so that the constant torque operation for maintaining a constant torque is performed.

Constant air flower or constant liquid flower operation is performed in the preset constant air flow or constant liquid firmware program mode. That is, when an instruction is input to the microprocessor 10 through the factory program 12 that can be set by the user, the microprocessor 10 switches to the preset air flow volume or the fixed liquid volume firmware program mode. 15) or a multi-wind flow control device and method proposed by the applicant according to the conditions set by the factory program input 12, regardless of the input of the signal (0-10Vdc or PWM) of the manual speed setting device (Application No. 10- As described in 2007-0096373), the motor speed, current, and PWM signal modulation rate are used to calculate the average current value and constant rated peak current required to control the flow rate, and to calculate the speed. Allows multi-flow volume or steady flow operation to be performed.

The technical configuration related to system safety and user safety to be achieved in the present invention will be described in more detail.

Air-conditioning and ventilation equipment or pump operating equipment, as described above, should be placed in a variety of indoor and outdoor environments and should be able to operate safely in a wide range of temperatures, typically -40 ° C to 60 ° C. The system will not stop by allowing you to switch to the pre-safe operation mode before breaking down. In order to perform such a function, the control device of the present invention has a built-in temperature sensor 16 and is connected to the microprocessor 10, and once the safe temperature setting value is higher than the rotational speed or output of the motor, the maximum of 40 ~ When it is reduced to 50% and the normal temperature is restored, it is characterized by a built-in algorithm program that increases the speed or output to the original set speed step by step.

In addition, when driving a pump, particularly in a swimming pool, a pump circulator may suddenly be blocked or a part of a human body may be sucked into the suction port, which may cause a very dangerous situation. The control device of the present invention inputs a current sensing signal 81, a speed sensing signal 31, a temperature sensing signal 16, and a voltage variation sensing signal 17 so that the microprocessor 10 can operate the data. By logging the data per second through the optical isolation interface circuit 11 and through the RS485 13 for 24 hours, if the motor operation situation changes rapidly from the normally set operation, the motor operation can be quickly performed according to the situation setting. Safety can be ensured by inputting a command that can be stopped or switched to the lowest operation output state within a time period through the RS485 13 to the microprocessor 10 again.

Detailed configuration for realizing the spirit of the present invention configured as described above will be described in detail with reference to the accompanying drawings.

The logic signal processing circuit 9 including the excited phase width control circuit of the present invention will be described in detail with reference to FIG.

The signal 91 of the rotor position detection sensor of phase A (ØA) of the logic signal processing circuit 9 is connected to the inputs of the NOT gates 116 and 117 and NOT gate 96 connected in series, respectively. The rotor position detection sensor signal 92 of phase B (ØB) is connected to the inputs of the NOT gates 119 and 120 and NOT gate 121 connected in series, and the NOT gate outputs 95, 96 and 97, respectively. , 98 are connected to one input of an AND gate 124, 125, 126, 127, respectively.

In addition, the rotor position detection sensor signals 91 and 92 of the phase A and phase B are respectively connected to the input of the EX-OR gate 115, and the EX-OR gate output is a capacitor (synchronized with the rising and falling time of the input pulse). 122C and 123C and the inputs B and A of the timers 122 and 123 for outputting pulses for a predetermined time proportional to the time constants of the resistors 122R and 123R, and the output Q 133 of the timer 122 is And the output Q 134 of the timer 123 is connected to the input of the AND gates 124 and 125.

The AND gate outputs 99, 100, 101, and 102 are respectively connected to inputs 1A0-1A3 and 2A0-2A3 of the solid state semiconductor switch IC 128 capable of cross-switching each phase for reverse rotation. The output 2Y1 / 1Y3 of the contact semiconductor switch 128 is connected to the output A 105 of the logic signal processing circuit 9 and one input of the AND gate 129, and the output 106 of the AND gate 129. Is connected to the output (/ A CTRL) of the logic signal processing circuit 9, and the output 2Y0 / 1Y2 of the switch 128 is the output / A 107 and AND gate 130 of the logic signal processing circuit 9. Is connected to one input.

The output 108 of the AND gate 130 is connected to the output A CTRL of the logic signal processing circuit 9, and the output 2Y2 / 1Y0 of the switch 128 is the output of the logic signal processing circuit 9 /. Is connected to one input of B (111) and AND gate 132, output 110 of AND gate 131 is connected to output (/ B CTRL) of logic signal processing circuit 9, and switch 128 Output 2Y3 / 1Y1 is connected to the output B (109) of the logic signal processing circuit 9 and one input of the AND gate 131, and the output 112 of the AND gate 132 is the logic signal processing. Is connected to the output B CTRL of the circuit 9, the PWM input signal is connected to the base input of the transistor 114Q via the input 114 of the logic signal processing circuit 9, and the collector output is connected to the AND gate ( 129, 130, 131, 132, respectively.

On the other hand, the phase A signal output for sending the rotation speed information to the microprocessor 10 is connected to the input 93 of the logic signal processing circuit 9 between the two NOT gates 116 and 117, and the signal output of the phase B is The signal input (F / R CTRL) connected between the two NOT gates 119 and 120 to the input 94 of the logic signal processing circuit 9 and controlling the reverse rotation of the motor is the logic signal processing circuit 9. Is connected to the input 103 of.

The logic signal processing circuit 9 of the present invention as described above may be used in connection with a two-phase full bridge switch circuit.

4, the outputs 105, 106, 107 and 108 of the logic signal processing 9 are gates for driving the full bridge switch F1, F2, F3 and F4 circuits of phase A. Connected to dedicated ICs 71 and 73, respectively, and outputs 109, 110, 111, and 112 are gate-only ICs (such as IRS2106) to drive the full-bridge switch (F5, F6, F7, F8) circuits of phase B; 72 and 74, respectively, to connect the A-phase outputs 41 and 42 and the B-phase outputs 43 and 44 to the motor armature windings by switching the FETs F1-F8 to couple two-phase or two-phase and three-pole couplings. The non-commutator motors (A and B in Fig. 2) can be driven.

The operation and effects of the logic signal processing circuit of the present invention configured as described above will be described in detail based on the signal time table (Fig. 5).

When the two-phase drive input signals HS1 and HS2 are processed by EX-OR, an output waveform 113 / EXOR is obtained. When the signals are applied to the timers 122 and 123, C (122C and 123C) and Pulse outputs Q1 and Q2 having a predetermined width determined by the time constants of R 122R and 123R are obtained. When this signal and the two-phase driving input signals HS1 / 91 and HS2 / 92 are combined with the AND gates 124, 125, 126 and 127, respectively, the phase A HS1 is determined by the time constant width Q1 and Q2 determined by the timer. / 99) and B phase (HS2 / 101), it can be seen that the motor drive switching excitation switching time is controlled.

In addition, the reverse phases HS1 '/ 96 and HS2' / 98 are similarly subjected to the above-described process to obtain the outputs A '/ 100 and B' / 102 whose switching excitation angles are controlled, and this signal is the power switch circuit ( Input to 4) yields a bipolar full bridge switching waveform (41-42, 43-44 in FIG. 5) with controlled excitation switching time, and finally the motor drive output modulated to 20KHz PWM (FIG. 43 to 44 PWM).

That is, the logic signal processing circuit of the present invention can control the excitation timing and the width of the motor drive as well as the PWM signal processing for the speed control, thereby reducing the back EMF or changing the magnetic stall point according to the magnetization pattern of the rotor ( Magnetic Deep Loss Point) can be avoided to form an ideal rotating magnetic field. That is, by minimizing the adverse function of the rotating magnetic field, it is possible to minimize the electric drive loss of the motor and to reduce the noise and vibration.

The circuit configuration and algorithm of the logic signal processing circuit 9 of the present invention shown in Figs. 3 and 5 can be implemented by software.

Next, the microprocessor 10 constituting the control device of the present invention and the peripheral input / output circuit will be described in detail with reference to FIG. 6 as follows.

The data of the factory program computer (PC) 12 including the constant constant speed (NRS), constant speed (RS), constant torque, and M. constant CFM / CLM setting data are stored. A transmission line 12T and a reception line 12R capable of inputting and communicating are connected to the input of the RS485 communication IC chip 131, and the transmission and reception outputs and the signal control (CTR) outputs of the RS485 are respectively isolated from the optical isolation coupler 13T, A switch 103S connected to the input of the microprocessor 10 through 13R and 13CTR and connected to ground as a means for changing the rotation direction of the motor by simply turning on and off the switch. Signal of H or L is coupled to the input 103I of the microprocessor 10 via an optical isolation coupler 112. When this signal is input during operation, the microprocessor 10 waits for a predetermined time and confirms that the motor rotation is almost stopped, and then, through the output of the microprocessor 10, a rotation direction control signal is input to the input of the logic signal control circuit 9. (103) Connect.

The DC voltage (+ Vm) applied to the motor is divided into the resistor 171 and the resistor 172. A voltage sensing circuit 17 capable of smoothing the voltage with the condenser 173 to detect a motor applied DC voltage is connected to the input of the microprocessor 10 and between the switch circuit 4 and the ground power source (-Vm). A resistor 83 is connected in series with the resistor 83, and a voltage across the resistor 83 is proportional to the value of the current flowing through the circuit, and passes through the integration filter circuits 84, 85, and 86 to the input of the voltage comparison amplifier 81. The output of the comparator 81 is connected to the input of the microprocessor 10 so that the load current value of the motor is calculated.

A transistor or thermistor sensor 16 that outputs a voltage signal proportional to temperature is attached to the case or armature of the motor, the signal output of which is connected to the input of the microprocessor 10, and the abnormality of the motor in the microprocessor 10. The output 11c of the microprocessor 10 capable of outputting a rotational speed data signal of the motor to the outside is connected to a relay 18 in which a circuit contact switch is on-off by a signal outputting a state. ) Is connected to the connection terminal 152 of the system control 15 via the optical isolation coupler 11a.

In addition, the microprocessor 146 is input through the amplifier 141 in which the speed control DC voltage (0 to 10 Vdc) or the pulse width modulation (PWM) signal 151 input from the system control 15 is linearly coupled 1: 1. PB2 and the input of transistor 142, the output of transistor 142 is connected to input PB1 of microprocessor 146 through a differential circuit consisting of a capacitor 143 and a resistor 144, The control DC voltage (0-10Vdc) is inputted to the input (PB2) of the microprocessor (10) through the amplifier 141, and the pulse width modulation (PWM) signal is micro-controlled through the differential circuits (142, 143, 144). To be input to an input PB1 of the processor 146. Depending on the ratio of these two signals (DC speed control voltage Vdc or PWM), the output (80Hz PWM) of the microprocessor 146, which is programmed with an algorithm that always modulates and outputs only a certain frequency width, is an optical isolation coupler ( 145 is connected to the input of the microprocessor 10 (80 Hz PWM IN).

As described above, the microprocessor and the input / output control logic circuit of the controller of the present invention configured as described above can select various operations required for air-conditioning and ventilation facilities or pump control, as well as the operating current processed by the microprocessor 10. It can send voltage, speed, temperature, etc. to external PC computer or data recorder through RS485 (131) for data logging and analyze system operation for 24 hours for system trouble, operation efficiency and safe operation. This can be very useful for monitoring.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims and their equivalents.

1 is a block diagram of a control device of a two-phase and three-phase combined non-commutator motor as a preferred embodiment according to the present invention.

2 is an explanatory view of a two-phase or two-phase and three-phase combined non-commutator motor defined in the present invention.

3 is an excitation switching width control logic circuit diagram of the present invention.

4 is a detailed circuit diagram of a power control unit for explaining an embodiment of the present invention.

5 is a signal time table for explaining the switching width control logic circuit of the present invention.

6 is a detailed circuit diagram of an input signal controller for explaining an embodiment of the present invention.

Claims (8)

Cooling and HVAC equipment, characterized in that the driving logic control circuit capable of controlling the excitation phase width is provided in any of the single-phase rectifier motor, the two-phase rectifier motor, the electronic rectifier motor, the two-phase and three-phase combined non-rectifier motor. And a control device of a motor for controlling a pump. The method of claim 1, The drive logic control circuit, The power switch circuit 4 is connected to the armature winding of the motor, the gate driving circuit is connected, the logic signal control circuit 9 is connected, and the rotor position detection signal device 3 is connected to the logic signal control circuit 9. Is connected, a pulse width modulation signal (PWM) output of the microprocessor 10 is connected, an optical isolation interface circuit 11 is connected, a current detection circuit 8 is connected to the microprocessor 10, and rotation The magnetic position detection signal 31 is connected, the optical isolation interface circuit 11 is connected, the voltage detection circuit 17 is connected, the temperature detection circuit 16 is connected, and the relay contact switch 18 is connected. The optical insulation RS485 communication device 13 is connected to the optical insulation interface circuit 11, the factory program device 12 is connected to the communication device 13, and the optical insulation speed control is connected to the optical insulation interface circuit 11. Input signal processing circuit 14 is connected, the signal The system control signal input terminal 15 is connected to the logic circuit 14, and the power of the DC power supply circuit 5 is connected to the power switch circuit 54, the gate driving circuit 7, and the logic signal control circuit 9. And an insulation DC power supply (6), respectively, and an insulation power supply (6) is connected to an optical insulation interface (11) circuit. The method of claim 2, The logic signal control circuit 9, The signal 91 of the rotor position detection sensor of phase A (ØA) is connected to the inputs of NOT gates 116 and 117 and NOT gate 96 connected in series, respectively, and the rotor position detection sensor signal of phase B (ØB) 92 is connected to the inputs of the NOT gates 119, 120 and NOT gate 121 connected in series, and NOT gate outputs 95, 96, 97, and 98 are connected to one input of the AND gates 124, 125, 126, and 127, respectively. The rotor position detection sensor signals 91 and 92 of phase A and phase B are respectively connected to the EX-OR gate 115 input, and the EX-OR gate output is synchronized with the rising and falling time of the input pulse. It is connected to the inputs B and A of the timers 122 and 123 for outputting pulses for a predetermined time proportional to the time constants of the capacitors 122C and 123C and the resistors 122R and 123R, and the output Q 133 of the timer 122 is output. ) Is connected to the inputs of the AND gates 126, 127, the output Q 134 of the timer 123 is connected to the input of the AND gates 124, 125, and the AND gate outputs 99, 100, 101, 102 are Connected to inputs 1A0-1A3 and 2A0-2A3 of the solid state semiconductor switch IC 128 capable of cross-switching each phase for reverse rotation, and the output 2Y1 / 1Y3 of the solid state semiconductor switch 128 is The output A 105 of the logic signal processing circuit 9 is connected to one input of the AND gate 129, and the output 106 of the AND gate 129 is an output (/ A) of the logic signal processing circuit 9. CTRL), the output 2Y0 / 1Y2 of the switch 128 is connected to the output / A 107 of the logic signal processing circuit 9 and one input of the AND gate 130, and the AND gate 130 The output 108 of is connected to the output A CTRL of the logic signal processing circuit 9, and the output 2Y2 / 1Y0 of the switch 128 is the output of the logic signal processing circuit 9 / B (111). And an output of the AND gate 132, an output 110 of the AND gate 131 is connected to an output (/ B CTRL) of the logic signal processing circuit 9, and an output 2Y3 of the switch 128. / 1Y1 is a bit of the output B (109) and AND gate 131 of the logic signal processing circuit 9. The output 112 of the AND gate 132 is connected to the output (B CTRL) of the logic signal processing circuit 9, the PWM input signal through the input 114 of the logic signal processing circuit 9 And a collector output are connected to AND gates (129, 130, 131, and 132), respectively, to control the heating and cooling air conditioner fan and pump control motor. The method of claim 3, wherein The logic signal control circuit 9, There are rotor position detection signal inputs (91, 92), phase A signal output (93) and phase B signal output (94) for sending rotation speed information to the microprocessor (10). There is an input 103, there is a pulse width modulated signal input 114 to control the rotational speed, there are drive output signals 105, 108 of phase A, and an inverted signal Phase of phase A. / A) drive output signals 106, 107, phase B (Phase B) drive output signals (109, 112), phase B inverted drive output (Phase / B) characterized in that Control unit of motor for controlling air-conditioning fan and pump. The method of claim 4, wherein The logic signal control circuit 9, A control unit for a motor for controlling a cooling and heating air conditioner fan and pump, comprising means that can be implemented by a logic integrated circuit or a microprocessor processed by software that satisfies an algorithm of a logic time chart. The method of claim 2, The optical insulation speed control input signal processing circuit 14, The speed command control DC voltage Vdc is connected to the input of the microprocessor 146 through the amplifier 141, and the pulse width modulation signal PWM for speed control is connected to the microprocessor through the transistor 142 and the differential circuits 143 and 144. Connected to the other input of (146), the output of the microprocessor being connected to the input of the microprocessor (10) via an optical isolation coupler (145). The method of claim 6, The microprocessor 146, The variable DC voltage (0 ~ 10Vdc) or pulse width modulated PWM signal in the range of 40 ~ 120Hz is received by different inputs (PB1, PB2), respectively, and according to the ratio of DC input voltage or rising / falling ratio of input pulse width, Control device for a heating and cooling air conditioner fan and pump control motor, characterized in that the program for outputting a PWM signal modulating the pulse width. The method of claim 2, The DC power supply circuit 5, It has a means for supplying the rectified AC power directly to the power switch 4, and supplying the power switch gate driving circuit 7 with a direct current of 10 to 15 volts, and the direct current 5 volts to the logic signal control circuit 9. And a means for supplying power to the optical insulation interface circuit 11 and supplying the power insulated from the power supply 5 and other power supplies 54, 53, and 52 to the optical insulation interface circuit 11. Controller of motor for controlling air conditioner fan and pump.

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