Hall synchronous intelligent control circuit of motor

Abstract

The utility model discloses a motor Hall synchronous intelligent control circuit, which comprises a first main control unit, a voltage adjusting unit, a second main control unit, a motor driving unit, a nixie tube driving unit and an operational amplifier unit, and is characterized in that the nixie tube driving unit comprises a digital driving module, a key module and a nixie tube display module; the first main control unit receives a motor Hall signal, fed back by the second main control unit, of a motor connected with the motor driving unit, controls the operational amplifier unit to send a detection result corresponding to the Hall signal to the nixie tube driving unit, and controls the second main control unit to adjust the working state of the motor driving unit according to the detection result. Communication of multiple serial ports or remote control can be achieved, photoelectric signal control input is added, the nixie tube display module can be erected from a plane through the nixie tube driving unit, the motor driving unit, the second main control unit and the operational amplifier unit are matched to enable motors to operate synchronously, and the system is suitable for application scenes such as synchronous lifting or switching of multiple motors.

Description

Technical Field

[0001] This utility model belongs to the field of motor Hall control technology, and in particular relates to a motor Hall synchronous intelligent control circuit. Background Technology

[0002] A Hall effect motor is a brushless DC motor powered by a Hall sensor. The Hall sensor determines the motor's current movement, and the controller uses the signals collected by the Hall sensor to control the three-phase output, ensuring continuous and normal motor operation. Currently, most Hall effect controllers on the market are either 1-to-2 or 1-to-1, and they integrate the power supply, lacking serial port control and external I / O control. This makes them difficult to apply in intelligent industrial control systems; they can only be used independently, resulting in significant inconvenience. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides a motor Hall synchronous intelligent control circuit to solve the issues raised in the background section.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a motor Hall synchronous intelligent control circuit. The intelligent control circuit includes a first main control unit, a voltage adjustment unit, a second main control unit, a motor drive unit, a digital tube drive unit, and an operational amplifier unit. The voltage adjustment unit, the second main control unit, the digital tube drive unit, and the operational amplifier unit are all connected to the first main control unit, and the second main control unit is connected to the operational amplifier unit.

[0006] The digital tube driving unit includes a digital driving module, a button module, and a digital tube display module connected to the first main control unit. The button module and the digital tube display module are both connected to the digital driving module. The button module is connected to the digital tube display module. The voltage adjustment unit is used to supply power to each module or unit in the circuit.

[0007] The first main control unit receives the motor Hall signal from the motor connected to the motor drive unit from the second main control unit, and controls the operational amplifier unit to send the detection result corresponding to the Hall signal to the digital tube drive unit. The first main control unit controls the second main control unit to adjust the working state of the motor drive unit according to the detection result.

[0008] As a preferred embodiment of the above technical solution, the voltage adjustment unit includes a DC-DC conversion module and a step-down module connected in sequence. The step-down module is connected to the first main control unit, and the DC-DC conversion module is connected to the voltage input terminal.

[0009] As a preferred embodiment of the above technical solution, the first main control unit includes an MCU1 with model number STC8H1K28, and the second main control unit has model number 74HC08D.

[0010] As a preferred embodiment of the above technical solution, the intelligent control circuit further includes an optocoupler unit, which is connected to the first main control unit and the motor drive unit. The optocoupler unit is used to send optocoupler control signals to the first main control unit to control the motor drive unit to output corresponding motor drive signals.

[0011] As a preferred embodiment of the above technical solution, the motor drive unit includes a first drive module and a second drive module. The optocoupler unit, the second main control unit, and the second drive module are all connected to the first drive module. The second main control unit and the operational amplifier unit are all connected to the second drive module. Both the first drive module and the second drive module include four gate drive circuits.

[0012] As a preferred embodiment of the above technical solution, both the first driving module and the second driving module include multiple diodes, multiple resistors, multiple capacitors, multiple MOSFETs and a transistor.

[0013] As a preferred embodiment of the above technical solution, the intelligent control circuit further includes a data transmission module connected to the first main control unit and a communication module connected to the data transmission module. The data transmission module includes multiple RS485 port circuits, and the communication module includes a WIFI circuit of model ITEAD8285.

[0014] As a preferred embodiment of the above technical solution, the intelligent control circuit further includes an LED circuit, which is connected to the first main control unit.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] By setting up a first main control unit, a voltage adjustment unit, a second main control unit, a motor drive unit, a digital tube drive unit, and an operational amplifier unit, the digital tube drive unit includes a digital drive module, a button module, and a digital tube display module. The first main control unit receives the motor Hall signal from the motor connected to the motor drive unit from the second main control unit, and controls the operational amplifier unit to send the detection result corresponding to the Hall signal to the digital tube drive unit. The first main control unit controls the second main control unit to adjust the working state of the motor drive unit according to the detection result. Multiple serial port communication or remote control can be realized. Photoelectric signal control input is added. The digital tube drive unit can make the digital tube display module stand up from the plane. The motor drive unit, the second main control unit, and the operational amplifier unit work together to make the motor run synchronously. It is suitable for application scenarios such as synchronous lifting or switching of multiple motors. Attached Figure Description

[0017] Figure 1 This is a structural block diagram of the motor Hall synchronous intelligent control circuit proposed in this utility model;

[0018] Figure 2 The circuit diagram of the first main control unit proposed in this utility model is shown below.

[0019] Figure 3 This is a circuit diagram of the DC-DC conversion module proposed in this utility model;

[0020] Figure 4 The circuit diagram is shown for the step-down module proposed in this utility model.

[0021] Figure 5 The circuit diagram of the second main control unit proposed in this utility model is shown below.

[0022] Figure 6 This is a circuit diagram of the motor drive unit proposed in this utility model;

[0023] Figure 7 This is a circuit diagram of the operational amplifier unit proposed in this utility model;

[0024] Figure 8 This is a circuit diagram of the digital drive module proposed in this utility model;

[0025] Figure 9 This is a circuit diagram of the button module proposed in this utility model;

[0026] Figure 10 This is a circuit diagram of the digital tube display module proposed in this utility model;

[0027] Figure 11 This is a circuit diagram of the optocoupler unit proposed in this utility model;

[0028] Figure 12 This is a circuit diagram of the data transmission module proposed in this utility model;

[0029] Figure 13 This is a circuit diagram of the communication module proposed in this utility model;

[0030] Figure 14 This is a circuit diagram of the LED circuit proposed in this utility model.

[0031] The symbols for the main components are explained below:

[0032] 100-First main control unit; 110-Voltage adjustment unit; 111-DC-CDC conversion module; 112-Step-down module; 120-Second main control unit; 130-Motor drive unit; 131-First drive module; 132-Second drive module; 140-Digital tube drive unit; 141-Digital drive module; 142-Button module; 143-Digital tube display module; 150-Operational amplifier unit; 160-Optocoupler unit; 161-Data transmission module; 162-Communication module; 170-LED circuit. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0034] See Figure 1 and Figure 2 This utility model provides a motor Hall synchronous intelligent control circuit. The intelligent control circuit includes a first main control unit 100, a voltage adjustment unit 110, a second main control unit 120, a motor drive unit 130, a digital tube drive unit 140, and an operational amplifier unit 150. The voltage adjustment unit 110, the second main control unit 120, the digital tube drive unit 140, and the operational amplifier unit 150 are all connected to the first main control unit 100, and the second main control unit 120 is connected to the operational amplifier unit 150.

[0035] The digital tube driving unit 140 includes a digital driving module 141, a button module 142, and a digital tube display module 143 connected to the first main control unit 100. The button module 142 and the digital tube display module 143 are both connected to the digital driving module 141, and the button module 142 is connected to the digital tube display module 143. The voltage adjustment unit 110 is used to supply power to each module or unit in the circuit.

[0036] The first main control unit 100 receives the motor Hall signal of the motor connected to the motor drive unit 130 from the second main control unit 120, and controls the operational amplifier unit 150 to send the detection result corresponding to the Hall signal to the digital tube drive unit 140. The first main control unit 100 controls the second main control unit 120 to adjust the working state of the motor drive unit 130 according to the detection result.

[0037] In this embodiment, as Figure 3 , Figure 4 and Figure 5The voltage adjustment unit 110 includes a DC-DC conversion module 111 and a step-down module 112 connected in sequence. The step-down module 112 is connected to the first main control unit 100, and the DC-DC conversion module 111 is connected to the voltage input terminal. The first main control unit 100 includes an MCU1 of model STC8H1K28, and the second main control unit 120 is of model 74HC08D. The intelligent control circuit also includes an optocoupler unit 160, which is connected to the first main control unit 100 and the motor drive unit 130. The optocoupler unit 160 is used to send photoelectric control signals to the first main control unit 100 to control the motor drive unit 130 to output corresponding motor drive signals. The motor drive unit 130 includes a first drive module 131 and a second drive module 132. The optocoupler unit 160, the second main control unit 120, and the second drive module 132 are all connected to the first drive module 131. The second main control unit 120 and the operational amplifier unit 150 are all connected to the second drive module 132. Both the first drive module 131 and the second drive module 132 include four gate drive circuits. Both the first drive module 131 and the second drive module 132 include multiple diodes, multiple resistors, multiple capacitors, multiple MOSFETs, and one transistor. The intelligent control circuit also includes a data transmission module 161 connected to the first main control unit 100 and a communication module 162 connected to the data transmission module 161. The data transmission module 161 includes multiple RS485 port circuits, and the communication module 162 includes a WIFI circuit of model ITEAD8285. The intelligent control circuit also includes an LED circuit 170, which is connected to the first main control unit 100.

[0038] It should be noted that, as Figure 6 , Figure 7 and Figure 8The DC-DC converter module 111 includes a chip IC1 of model XL1509-12V, which mainly includes an inductor L1, a diode DA2, and the chip IC1. The step-down module 112 includes a chip IC2 of model MP2359, which mainly includes the chip IC2, a capacitor CV1, an inductor LQ1, a resistor RK1, a resistor RK2, and a resistor RK9. Pins 2 and 3 of the chip IC1 are connected to pin 5 of the chip IC2, and pin 6 of the chip IC2 is connected to the MCU1. The data transmission module 161 mainly includes inductor LB1, diode DB1, capacitor CL1, and capacitor CA4. The data transmission module 161 is connected to pins 21 and 22 of chip P1_1 in communication module 162 via terminal XZK1, and correspondingly connected to pins 13 and 14 of chip MCU1. The communication module 162 mainly includes chip P1_1, resistors P3_1, P5_1, P7_1, P11_1, capacitors P2_1 and P6_1, and diode P4_1. The second main control unit 120 can be a group of logic circuits with a total of 4 channels. Each group of logic circuits is connected to an amplifier circuit and a motor drive unit 130 of model EG2103S. For ease of explanation, the first drive module 131 includes chip IC18_1 and peripheral circuits of chip IC18_1, and the second drive module 132 includes chip C42_1. The circuit corresponding to the second drive module 132 can be used as PWM. The circuit structures of the first drive module 131 and the second drive module 132 are the same. Both the first drive module 131 and the second drive module 132 include multiple resistors, diodes, MOSFETs and capacitors, which can realize the working stability of the motor.

[0039] in, Figure 9 , Figure 10 and Figure 11 The digital drive module 141 includes a TM1650 chip IC3, resistors R2 and R3, and capacitor CA5, with resistors R2, R3, and CA5 connected in parallel. The button module 142 includes six push-button switches (K1-K6) and resistor R1. The digital tube display module 143 is an SMG1. Pins 2 and 3 of chip IC3 are connected to chip MCU1. Pins 8, 9, 11, 12, 13, and 14 of chip IC3 are connected to K1-K6 respectively. Pins 1, 5, 6, 7, 15, and 16 of chip IC3 are connected to pins 4, 6, 8, 9, and 12 of chip SMG1. Pins 11, 7, 5, 3, 2, and 10 of chip SMG1 are connected to K1-16 respectively. The LED circuit 170 includes the circuit containing LED1 and LED2. LED1 and LED2 can be used as switch indicators and operating status indicators, such as lighting up when receiving remote control signals sent via communication module 162.

[0040] in, Figure 12 , Figure 13and Figure 14 The operational amplifier unit 150 includes a GS358 chip A6_1. The operational amplifier unit 150 mainly includes capacitor A1_1, resistor A2_1, resistor A3_1, resistor A4_1, diode A8_1, resistor A15_1, resistor A5_1, resistor A16_1, resistor A17_1, chip A6_1, and diode A7_1. Capacitor A1_1, resistor A2_1, resistor A3_1, and resistor A4_1 are connected in parallel, and diode A8_1, resistor A15_1, resistor A16_1, and resistor A17_1 are connected in parallel. Diode A7_1 is a TVS diode connected to pin 8 of chip A6_1. The optocoupler unit 160 mainly includes two optocoupler circuits: an 817C optocoupler, a resistor at the control end, and a resistor at the controlled end. The optocoupler unit 160 is a device that transmits electrical signals using light as a medium. Typically, the emitter (infrared light-emitting diode LED) and the receiver (photosensitive semiconductor tube) are packaged in the same housing. When an electrical signal is applied to the input end, the emitter emits light, and the receiver receives the light, generating a photocurrent that flows out from the output end, thus realizing the "electrical-optical-electrical" conversion. By adding a photoelectric signal control terminal to the optocoupler that couples the input signal to the output end using light as a medium, automatic lifting and lowering can be achieved using photoelectric signals.

[0041] Specifically, the aforementioned units or modules can be mounted on one or more circuit boards. The circuit boards read the Hall signals of the motors and compare them with the Hall signals of each motor (the number of revolutions of the motor equals two Hall signals, such as motors connected to the first drive module 131 and the second drive module 132 respectively). If an error occurs, the motor speed is synchronized by reducing the voltage of the faster motor. The more motors there are, the more difficult it becomes. The two circuit boards work together through an RS485 serial port, achieving synchronization of up to eight motors. The voltage adjustment unit 110 can be connected to a wide voltage power supply of 24-36A, increasing the maximum current to 16A. The data transmission module 161 adds an RS485 interface to read position signals and enables motor upgrade control via code commands. The button module 142 and communication module 162 enable external I / O signal control, external button control, or remote signal control. The circuits containing the first drive module 131 and the second drive module 132 adopt a split design, allowing for control with network cables of different lengths.

[0042] In practical applications, it can be equipped with three control systems and a PLC controller to achieve the switching of two motors in one group, or the switching of four motors in two groups to switch between stairs and motors, suitable for changing the lifting platform of a staircase elevator; it can also be equipped with one control system to achieve synchronous lifting of motors, raising the screen from a flat surface and controlling it via external metal buttons, suitable for electric sand tables; and it can achieve synchronous lifting of eight motors via RS485 serial communication, suitable for synchronous lifting of eight motors in sunrooms, etc. Compared with existing technologies, the intelligent control circuit of this utility model has the following characteristics:

[0043] 1. Added RS485 serial communication, which can be used for intelligent control of synchronous lifting of motors by host computer / PLC;

[0044] 2. A 24-36V power interface has been added for convenient outdoor use and direct connection of batteries to the motor for synchronous lifting;

[0045] 3. An I / O signal interface has been added, which can be connected to an external push-button switch to control the synchronous lifting and lowering of the motor;

[0046] 4. An automatic control signal interface has been added, which can automatically control the synchronous lifting and lowering of the motor via photoelectric / button signals;

[0047] 5. Independent control via serial port code: The serial port code can control the lifting of any single motor or any number of motors simultaneously.

[0048] It should be understood that by setting up a first main control unit 100, a voltage adjustment unit 110, a second main control unit 120, a motor drive unit 130, a digital tube drive unit 140, and an operational amplifier unit 150, the digital tube drive unit 140 includes a digital drive module 141, a button module 142, and a digital tube display module 143. The first main control unit 100 receives the motor Hall signal from the motor connected to the motor drive unit 130 fed back by the second main control unit 120, and controls the operational amplifier unit 150 to send the detection result corresponding to the Hall signal to the digital tube drive unit 140. The first main control unit 100 controls the second main control unit 120 to adjust the working state of the motor drive unit 130 according to the detection result. Multiple serial communication or remote control can be realized. Photoelectric signal control input is added. The digital tube drive unit 140 can make the digital tube display module 143 stand up from the plane. The motor drive unit 130, the second main control unit 120, and the operational amplifier unit 150 cooperate to make the motor run synchronously. It is suitable for application scenarios such as synchronous lifting or switching of multiple motors.

[0049] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A motor Hall-effect synchronous intelligent control circuit, characterized in that, The intelligent control circuit includes a first main control unit, a voltage adjustment unit, a second main control unit, a motor drive unit, a digital tube drive unit, and an operational amplifier unit. The voltage adjustment unit, the second main control unit, the digital tube drive unit, and the operational amplifier unit are all connected to the first main control unit, and the second main control unit is connected to the operational amplifier unit. The digital tube driving unit includes a digital driving module, a button module, and a digital tube display module connected to the first main control unit. The button module and the digital tube display module are both connected to the digital driving module. The button module is connected to the digital tube display module. The voltage adjustment unit is used to supply power to each module or unit in the circuit. The first main control unit receives the motor Hall signal from the motor connected to the motor drive unit from the second main control unit, and controls the operational amplifier unit to send the detection result corresponding to the Hall signal to the digital tube drive unit. The first main control unit controls the second main control unit to adjust the working state of the motor drive unit according to the detection result.

2. The motor Hall-effect synchronous intelligent control circuit according to claim 1, characterized in that, The voltage adjustment unit includes a DC-DC conversion module and a step-down module connected in sequence. The step-down module is connected to the first main control unit, and the DC-DC conversion module is connected to the voltage input terminal.

3. The motor Hall-effect synchronous intelligent control circuit according to claim 2, characterized in that, The first main control unit includes an MCU1 with model number STC8H1K28, and the second main control unit has model number 74HC08D.

4. The motor Hall-effect synchronous intelligent control circuit according to claim 1, characterized in that, The intelligent control circuit further includes an optocoupler unit, which is connected to the first main control unit and the motor drive unit. The optocoupler unit is used to send optocoupler control signals to the first main control unit to control the motor drive unit to output corresponding motor drive signals.

5. The motor Hall-effect synchronous intelligent control circuit according to claim 4, characterized in that, The motor drive unit includes a first drive module and a second drive module. The optocoupler unit, the second main control unit, and the second drive module are all connected to the first drive module. The second main control unit and the operational amplifier unit are all connected to the second drive module. Both the first drive module and the second drive module include four gate drive circuits.

6. The motor Hall-effect synchronous intelligent control circuit according to claim 5, characterized in that, Both the first driving module and the second driving module include multiple diodes, multiple resistors, multiple capacitors, multiple MOSFETs and one transistor.

7. The motor Hall-effect synchronous intelligent control circuit according to claim 1, characterized in that, The intelligent control circuit also includes a data transmission module connected to the first main control unit and a communication module connected to the data transmission module. The data transmission module includes multiple RS485 port circuits, and the communication module includes a WIFI circuit of model ITEAD8285.

8. The motor Hall-effect synchronous intelligent control circuit according to claim 1, characterized in that, The intelligent control circuit also includes an LED circuit, which is connected to the first main control unit.

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