KR20100119036A - Device for practicing multi-motor - Google Patents

Abstract

PURPOSE: A device for practicing multi-motor is provided to maximize the learning effect through substantial lab experience by allowing a student to identify the operation and the controlling state of a motor with the bare eyes. CONSTITUTION: A control panel(10) comprises a plurality of control units for controlling different motors(30, 30', 30"). The top of a motor mounting unit(20) is attached with a bracket clinching the motor. A receiving unit is arranged on one side of the motor mounting unit. An LCD display indicates the input output signal or the data of the motor.

Description

Multi-motor training device {DEVICE FOR PRACTICING MULTI-MOTOR}

The present invention relates to a multi-motor training apparatus, and more particularly, by installing, driving, and controlling various types of motors, it is possible to compare and acquire driving and control principles for various types of motors, thereby performing overall training on motors. It relates to the multi-motor training apparatus which can be done.

MOTOR is a device that converts electrical energy into mechanical energy, and is widely used in various fields such as home appliances, automobiles, industrial robots, office equipment, measuring equipment, machine tools, military equipment, aircraft, and factory automation.

Motors are classified into AC motors and DC motors according to the type of power source. There are servo motors and stepping motors according to other control methods.

AC motors include induction motors and motors, and the control method of the AC motor is a method of controlling the speed of the motor by changing the frequency. In this case, a system that can change the speed is called an inverter.

DC motors include brush-type DC motors and brushless DC (BLDC) motors. In general, DC motors are divided into speed control method and torque control method. Speed control of DC motor is generally done by connecting encoder to the rotor of DC motor to detect the number of revolutions and controlling PID. Torque chair uses PWM to control input voltage or when the stator is an electromagnet instead of permanent magnet. The torque is controlled through field current control. In the case of BLDC motor, it is controlled by inverter method similar to synchronous machine.

On the other hand, in the case of the servo motor, the control is similar to the inverter method, and in the case of the stepping motor, the speed control for variable speed using the input pulse is mainly used.

As described above, there are various types of motors, and each motor is driven and controlled by a unique control method. For example, a stepping motor is not driven by connecting two terminals of a power supply like a D motor, but requires a special driving circuit.

Therefore, theoretical learning about mounting, driving, and controlling various kinds of motors is required, as well as learning through hands-on exercises. There is no device that can acquire knowledge of various kinds of motors. There is a demand for educational equipment that can maximize the learning effect by understanding and comparing.

The present invention was conceived by recognizing the above points, an object of the present invention is to be able to attach and detach various types of motors and to provide a drive and control unit for each motor to perform the practice for various types of motors It is configured to provide a multi-motor training device that can maximize the educational effect through practical lab training by allowing the learner to directly check the operation and control state of the motor.

In order to achieve the above object, the multi-motor training apparatus according to the present invention includes a control panel provided with a plurality of controllers for controlling several different motors, and a bracket to which a motor is fixed on an upper surface thereof is attached. A plurality of motor mounts are provided to correspond to each of the control unit provided in the control panel, and each of the plurality of motor mounts are placed on the housing or fixed to the bracket and mounted on the upper surface of the motor mounts. It is characterized by including different motors.

In addition, the multi-motor training apparatus according to the present invention, the control panel panel, the LCD display for displaying the input and output signals or data of the motor connected to the control unit and the input and output signals of the motor connected to the control unit An LED display unit for displaying data, a sensor input unit for inputting signals output from a sensor installed to sense driving of the motor, an amplification unit for amplifying signals input and output to the controller, motor, and sensor input unit, and Data bus unit for data input / output between external control unit and motor, external computer and data input / output, switch unit for controlling power and input / output signals, MCU unit for calculating and processing data, and converting input AC current into DC It characterized in that the DC power supply for outputting.

According to the above configuration, the multi-motor training apparatus according to the present invention can attach and detach various types of motors, and is provided to drive and control the motors to perform various types of motors. By allowing the learner to check the operation and control status by eye, it has the advantage of maximizing the educational effect through practical lab training.

Hereinafter, a multi-motor training apparatus according to the present invention will be described in more detail with reference to the embodiment shown in the drawings.

1 is a perspective view showing a multi-motor training apparatus according to an embodiment of the present invention, Figure 2 is a plan view showing a control panel of the multi-motor training apparatus according to an embodiment of the present invention, Figure 3 is a present invention A perspective view illustrating a motor and a motor mounting stand of a multi-motor training apparatus according to an embodiment of the present invention.

Referring to the drawings, the multi-motor training apparatus according to an embodiment of the present invention, the control panel 10, the motor mounting table 20, a plurality of motors (30, 30 ', 30 "), computer 40, load It consists of 50.

The control panel 10 is characterized in that a plurality of control units (11, 11 ', 11 ") for controlling the driving of different types of motors (30, 30', 30") is provided. The drawing shows an embodiment in which the control panel 10 includes a control unit 11 for controlling the BLDC motor, a control unit 11 'for controlling the stepping motor, and a control unit 11 ″ for controlling the DC motor. It is.

In addition, the control panel 10 has an LCD display unit 12 for displaying input and output signals or data of the motors 30, 30 ', 30 "connected to and controlled by the control units 11, 11', 11". It is provided. The LCD display 12 may display sensor signals such as encoders and tachometers for detecting rotation of the motors 30, 30 ′ and 30 ″.

The control panel 10 is provided with an LED display unit 13 to display the input and output signals or data of the motor connected to the control unit. For example, the LED display unit 13 may display the rotational speed or rotational speed of the motor.

In addition, the control panel 10 is provided with a sensor input unit 14 for inputting a signal output from a sensor (not shown) installed to detect the drive of the motor (30, 30 ', 30 "). In order to detect the rotation of the motors 30, 30 ', 30 ", sensors such as encoders and tachometers may be installed on the load or the motor side, and this signal may be provided by the motors 30, 30', 30". It is input to the control unit (11, 11 ', 11 ") for the feedback control of the sensor input unit 14 is a portion that receives the signal output from the sensor.

The control panel 10 is provided with an amplifying unit 15, the signal input and output to the control unit (11, 11 ', 11 "), the motor (30, 30', 30"), the sensor input unit 14 or the LCD The signal output to the display unit 12 and the LED display unit 13 is amplified.

In addition, the control panel 10 has a data bus unit for data input / output between the controllers 11, 11 ', 11 " and the motors 30, 30', 30 " 16) is provided.

The control panel 10 is provided with a switch unit 17 to enable the practitioner to control the power and input and output signals.

In addition, the control panel 10 is provided with a microcontrol unit (MCU) unit 18 for arithmetic processing data.

The control panel 10 is provided with a DC power supply unit 19 converts the input AC current into direct current to output. Power output from the DC power supply unit 19 is supplied to the DC motor.

The motor mount 20 has a bracket 22 to which the motor 30 is fixed to the upper surface of the mounting portion 21, which is a plate-shaped plate member, and has a shelf structure in which the motors 30 'and 30 "are placed on one side. An accommodating part 23 is provided.The upper surface of the mounting part 21 is formed with a slot in the longitudinal direction so that the bracket 22 is slidably moved in the longitudinal direction of the mounting part 21 and is detachable. A load 50 is connected to the motor 30 mounted on the upper surface of the mounting portion 21 by the coupling 51. The load 50 is mounted on the upper surface of the mounting portion 21 for mounting the load 50. The fixed load mounting bracket 22 'is attached.

The motors 30, 30 ′, 30 ″ are provided to correspond to the controllers 11, 11 ′, 11 ″ provided in the control panel 10, respectively. That is, as described above, the control panel 10 includes a controller 11 for controlling the BLDC motor, a controller 11 'for controlling the stepping motor, and a controller 11' 'for controlling the DC motor. Correspondingly, the motors 30, 30 ', 30 "are provided with a BLDC motor, a stepping motor, and a DC motor. The motors 30, 30 ′, 30 ″ are used for training, and the motor 30 is fixed to the bracket 22 and mounted on the upper surface of the mounting portion 21 of the motor mount 20, and used for training. Motors 30 ', 30 "which do not fit into the housing 23 are placed.

The computer 40 is configured to perform the control of the motors 30, 30 ′, 30 ″ through the interface of the control panel 10 or to write a program loaded on the control panel 10.

The load 50 is connected to the rotating shaft of the motor 30 driven by the practice via the coupling 51. In particular, the load 50 is configured to adjust the size of the load so that the practitioner can grasp the drive change of the motor 30 in accordance with the load change.

The multi-motor training apparatus described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments which have been improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

1 is a perspective view showing a multi-motor training apparatus according to an embodiment of the present invention

2 is a plan view showing a control panel of the multi-motor training apparatus according to an embodiment of the present invention

Figure 3 is a perspective view showing a motor and the motor mount of the multi-motor training apparatus according to an embodiment of the present invention

<Short description of the major reference symbols>

10 Control panel

     11,11 ', 11 "control

     12 LCD Display

     13 LED Display

     14 Sensor Input

     15 amplifier

     16 data bus department

     17 switch

     18 MCU section

     19 DC power supply

20 Motor Mount

     21 Mounting section

     22,22 'bracket

     23 storage

30,30 ', 30 "motor

40 computers

50 load

Claims (2)

A control panel provided with a plurality of controllers for controlling several different motors, The motor mounting bracket is attached to the upper surface and the motor is fixed, the storage unit is provided with the motor on one side, It is provided corresponding to each of the control unit provided in the control panel, each of the multi-motor, characterized in that it comprises a plurality of different motors which are placed in the housing, or fixed to the bracket mounted on the upper surface of the motor mount Practice device. The control panel has an LCD display for displaying the input and output signals or data of the motor connected to the control unit; An LED display unit for displaying an input / output signal or data of a motor connected and controlled by the control unit; A sensor input unit for inputting a signal output from a sensor installed to detect driving of the motor; An amplifier for amplifying signals input and output to the controller, motor, and sensor input unit; A data bus unit for data input / output between the control unit and the motor and data input / output with an external computer; A switch unit for interrupting power and input / output signals, MCU unit for processing data, A multi-motor training apparatus comprising a DC power supply unit for converting an input AC current into a DC and outputting the same.

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