WO2018084335A1

WO2018084335A1 - Iot-based integration platform for education

Info

Publication number: WO2018084335A1
Application number: PCT/KR2016/012630
Authority: WO
Inventors: 전세형
Original assignee: 주식회사 이노템즈
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2018-05-11

Abstract

The present invention relates to mechatronics practice equipment capable of learning characteristics of various mechanical devices, comprising: (A) a breadboard, which is formed on an upper surface of a case and configured to have an electronic element inserted to form a circuit, including a device mounting part on which a mechanical device is mounted and a sensor mounting part on which sensors for monitoring a driving state of the mechanical device are mounted; (B) a display means which is formed on one side of the upper surface of the case for displaying and outputting analysis information on a sensor signal; (C) a connection port for connecting a sensor mounted on the breadboard to a control board; and (D) the control board, which is provided inside the case, including: a sensor circuit for receiving a sensor signal sensed by the sensor; a device driving circuit for driving the mechanical device mounted on the device mounting part; and a processor for analyzing the sensor signal provided from the sensor mounted on the breadboard and outputting the analyzed sensor signal to the display means.

Description

IOT-based educational integration platform

The present invention relates to an IoT-based educational integration platform, and more particularly, to educational training equipment that can learn the characteristics of various mechanical devices that interoperate with IoT devices.

With the development of technology, various devices and systems are being developed, and these devices are composed of a mechanical device composed of a plurality of mechanisms or mechanical elements, control means for controlling the driving of the mechanical device, and an electronic device for signal processing. In other words, most devices use mechatronics technology that combines mechanics and electronics.

The sensor used in this mechatronics technology is a general term for a device that obtains and transmits desired information by directly or indirectly contacting an object to be measured, and senses a physical quantity or change in heat, light, temperature, pressure, and sound. Or by distinguishing and measuring the signal.

IoT sensors are used in various fields, such as working machines, which can be measured by human senses and can be measured.These types are temperature sensors, pressure sensors, flow sensors, magnetic sensors, light sensors, acoustic sensors, Taste sensor, olfactory sensor, and the like.

Such a sensor outputs a sensed signal in an analog form, and a sensor signal analysis device that analyzes and outputs a sensed signal or provides it to an external device is used, and a conventional sensor signal analysis device is applied to a specific field. It is to provide only the analysis information about the sensor signal obtained from the sensor, the learner or developer who wants to acquire the information related to the characteristics of the sensor itself must be equipped with all the sensor signal analysis apparatus associated with each field, which is expensive. there is a problem.

In addition, the conventional sensor signal analysis device provides a learner or developer who wants to acquire sensor-related information simply by providing analysis information on a sensor signal, and there is a limit to learning.

Republic of Korea Patent No. 1400057 discloses a training apparatus for training simulators for servo motors, and Korean Utility Model Registration No. 0276753 discloses a stepping motor training apparatus that can be controlled on-line through an interface with a computer. 1383205 discloses training equipment for mechatronics industry-based instrument modules.

The training equipment of the conventional mechatronics mechanism is used in actual industrial sites, and since it is used as a reduced form of a mechanism module capable of realizing various functions, trainees can easily understand the industrial site and practice it directly. Because of the separation of equipment, the equipment is large, and each device has to have a separate device or component, so the structure is complicated and takes a lot of time to prepare for the practice.

The present invention was developed to solve the problems of the prior art as described above, by simultaneously analyzing the change in the sensor signal according to the mechanical and mechanical properties of the mechatronics equipment of various fields through a single device of the mechanical device We would like to provide mechatronics training equipment that provides information.

In addition, the present invention learners who study the mechatronic equipment consisting of the mechanical elements constituting the mechanical device and the various sensors for detecting the state of the mechanical device by designing the mechanical device, mechanical device drive circuit, sensor signal-related circuit and analysis program directly By making it possible to practice, we would like to provide mechatronics training equipment that can provide learners with a learning effect.

In addition, the present invention is to provide a mechatronic training equipment that can provide the sensor signal to different types of external devices through various types of communication interface.

Mechatronics training equipment according to the present invention for solving the above technical problem, is formed on the upper surface of the (A) case, and configured to be a circuit by plugging the electronic device, the device mounting unit on which the mechanical device is mounted, A bread board including a sensor mount on which sensors for mounting a driving state of a mechanical device are mounted; (B) display means for displaying and outputting the analysis information on the sensor signal formed on one side of the upper surface of the case; (C) a connection port for connecting the sensor mounted on the bread board to the following control board; And (D) a sensor circuit provided inside the case and receiving a sensor signal detected by the sensor, a device driving circuit for driving a mechanical device mounted on the device mounting unit, and a sensor mounted on the breadboard. It characterized in that it comprises a control board including a processor for analyzing the sensor signal provided and output to the display means.

The processor is configured to include an A / D conversion unit for outputting the A / D conversion of the sensor signal provided from the sensor mounted on the bread board, and the control unit, the control unit is provided with a plurality of sensor signal input terminals, The sensor signal input terminal is configured to analyze the sensor signal provided in connection with the sensor mounting part of the bread board and the A / D conversion part and output the same to the display means.

Preferably, the control board further includes a plurality of external device connection means for transmitting and receiving information related to an external device and sensor signals.

The control unit includes an FPGA for storing a sensor signal analysis program and analyzes a sensor signal provided from a sensor mounted on the breadboard or a sensor signal provided from the A / D converter according to an analysis program stored in the FPGA. The processor may be configured to perform a sensor analysis process according to the updated sensor signal analysis program by updating and storing the sensor signal analysis program provided from an external device connected to the external device connection means in the FPGA.

The sensor mounted on the sensor mounting unit is a sensor for detecting a bio-related signal including at least one of electrocardiogram, electromyography, pulse wave, and blood pressure, or a machine or environment including at least one of strain intensity, temperature, pressure, and motor. It may be any one of a sensor for detecting a related signal.

The control board includes a plurality of amplifiers for amplifying and outputting a sensor signal input from a sensor mounted in the sensor mounting unit and outputting the amplified output to the A / D converter, respectively, wherein the A / D converter includes a sensor signal provided from each amplifier. Is converted to a digital signal and output to the control unit, and the control unit outputs sensor analysis information on sensor signals provided from the A / D conversion unit and the breadboard.

It is preferable to include an isolator between the amplifier and the A / D converter to directionally output the amplified sensor signal to the A / D converter.

The device mounted on the device mounting unit is a device control kit for generating and transmitting a device control signal to and from the device driving circuit provided in the control board, and the device mounted on the sensor mounting unit is connected to the sensor to be a signal line for transmitting the detected signal Can be.

Mechatronics training equipment according to the present invention has the effect that the mechatronics major can learn about the mechanical properties of various mechanical devices with a simple operation.

In particular, the present invention is configured to be a single device and portable, there is an effect that can provide analytical information on the mechatronic mechanical devices of various fields.

In addition, the mechatronic mechanical device learner can design various device driving circuits on the board to experience and learn the driving state of the various mechanical devices according to the circuit configuration.

1 is a block diagram of a mechatronics training equipment according to the present invention.

Figure 2 is an external view of an example of mechatronics training equipment according to the present invention.

Figure 3 is a block diagram of a control unit constituting the mechatronic training equipment according to the present invention.

Figure 4 is a planar photograph showing the mechatronics training equipment according to the present invention in a case removed state.

5 is a photograph of the control board of the mechatronics training equipment according to the present invention.

Figure 6 is a picture of a stamped motor training ready to practice using the mechatronics training equipment according to the present invention.

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

The mechatronic training equipment according to the present invention can decorate a mechatronic device with a mechanical device and an electronic device for controlling and monitoring the mechanical device, and test the decorated device.

Mechatronic training equipment according to the present invention, as shown in Figure 1, includes a bread board 10, the display means 20, the connection port 30 and the control board 40. Of course, a power supply means (not shown) for supplying power may be further provided, but the power supply means supplies power to any one of a plurality of connection holes into which the electronic device provided in the bread board 10 is inserted. It can be installed by plugging the output terminal of the means.

Mechatronic training equipment of the present invention is a device that can implement and test a variety of mechatronic equipment, mechatronic equipment can be a variety of devices, such as motors, heaters, blowers, IoT sensors ECG or EMG, pulse wave and blood pressure Sensors for detecting a body-related signal of a human body including a human body, sensors for detecting a machine or an environment-related signal including strain intensity, temperature, pressure, motor, or the like, or a sensor signal simulator. have.

The bread board 10 is a user can directly design a circuit by plugging in an electronic device (not shown), as shown in Figures 4 and 5, the control board 40 is configured on the back of the circuit is installed have.

The circuit configured in the control board 40 is connected to a signal line (not shown) drawn from a mechanical device and sensors so that a signal provided from the signal line is transmitted to the processor 43 installed in the control board 40 via the circuit.

The bread board 10 is installed to be exposed to one side of the upper surface of the case, as shown in FIG.

As the bread board 10 is installed to be exposed to the outside of the case, when the user wants to practice driving the mechatronic device using the bread board 10, the sensor may prevent the breadboard 100 from being covered with the signal line. Is connected to a connection hole formed on the circuit board, and in the case of a mechatronic device, the power supply line of the mechatronic device is avoided, and then a connection is made by plugging into a connection hole formed on the breadboard 100. Signal transmission is performed by connecting a signal line between the 30 and the bread board (100).

The connection port 30 is a means for connecting the mechatronic device and sensors connected to the control board 40 through the bread board 10 as described above, the transmitted signal is a processor 43 provided in the control board Is passed).

Signals related to the driving state of the mechatronic device detected by the sensor mounted on the bread board 10 are output through the display means 20 provided on one side of the case.

The display means 20 is a display panel and displays and outputs analysis information obtained by analyzing signals as well as signals detected by sensors mounted on the bread board 10. For example, the degree displayed by the display means 20 may be in the form of a graph, table, or text.

As described above, the mechatronic training equipment of the present invention includes a control board 940, and the control board 40 is installed inside the case on the back of the bread board 10 as shown in FIGS. 4 and 5. 1, a sensor circuit 41 for receiving a sensor signal detected by a sensor, a device driving circuit 42 for driving a mechatronic device mounted in the device mounting unit, and a sensor mounted on the bread board It includes a processor 43 for analyzing the sensor signal provided from the output to the display means.

The sensor circuit 41 may be a noise removing circuit for providing noise or an amplification circuit to be described later as a circuit for transmitting a signal received from a sensor mounted on the bread board 10 to a processor.

The device driving circuit 42 is a circuit for supplying power for driving a mechatronic device, and the actual control of the mechatronic device is detachably installed on the breadboard 10 as shown in FIG. 4. Made by the kit 11k, the device drive circuit 42 only serves to transmit control signals of the device control kit 11k.

The processor 43 includes an A / D converter 43t and an controller 43c for A / D converting and outputting a sensor signal provided from a sensor mounted on the bread board 10. The control unit 43c includes a plurality of sensor signal input terminals, and the sensor signal input terminal analyzes the sensor signal provided in connection with the sensor mounting unit of the breadboard and the A / D conversion unit and displays the display means 20. Is configured to output

In addition, the control board 40 preferably further includes a plurality of external device connection means 50 for transmitting and receiving information related to the sensor signal with the external device.

The external device connection means 50 is a means for connecting an external device such as a computer, a communication module may be used, and may be composed of a wireless communication interface module and a wired communication interface module. An example of the preferred external device connection means may include a wireless interface module for performing WIFI wireless communication, or a wired interface module including a USB port, an SPI / RS232 port, and a DIO port. The wireless interface module may be configured to include an antenna for transmitting and receiving wireless signals, and is installed on the control board 40 as shown in FIG. 1, and a connection terminal is installed on the side of the case as shown in FIG. 2. Can be.

In addition, as shown in FIG. 3, the processor 43 amplifies and outputs a sensor signal input from a sensor mounted on the sensor mounting unit 12 of the breadboard 10, and outputs the amplified signals to the A / D converters, respectively. And a plurality of amplifiers 43a, and the A / D converter 32t is configured to convert the sensor signals provided from the respective amplifiers into digital signals and output them to the controller 43c, respectively.

The control unit 43c outputs sensor analysis information on sensor signals provided from the A / D conversion unit and the sensor of the bread board 10.

The control unit 43c constituting the processor 43 includes an FPGA for storing a sensor signal analysis program and a sensor signal provided from a sensor mounted on the breadboard 10 or a sensor provided from the A / D converter. Analyze and process signals according to an analysis program stored in the FPGA, and update and store a sensor signal analysis program provided from an external device connected to the external device connection means in the FPGA to perform sensor analysis processing according to the updated sensor signal analysis program. It is preferably configured to carry out.

After designing the analysis program included in the processor 43 directly, the user may apply the analysis program designed by the user to the FPGA to perform the analysis programming learning on the mechatronic equipment to be learned.

In addition, as shown in FIG. 3, the processor further includes an isolator 43i for directionally outputting the amplified sensor signal to the A / D converter between the amplifier and the A / D converter.

The isolator 43i outputs each amplified sensor signal provided from the amplifier 43a to the A / D converter 43t. This is particularly to prevent the flow of current flowing into the human body due to overcurrent when the sensor is a biosignal detection sensor connected to a human body. In addition, the isolator 43i outputs each sensor signal provided from the amplifier 43a in parallel for each sensor connection port.

As described above, the mechatronic device cannot be directly coupled to the breadboard itself, and the sensor may be installed at one side of the mechatronic device to detect the state of the device.

Accordingly, as described above, the device mounting unit 11 of the bread board 10 is provided with a device control kit 11k for generating and transmitting a device control signal to and from the device driving circuit 42 provided in the control board. Then, a power supply terminal for supplying power for driving the equipment is connected to the connection port 30.

As described above, the mechatronic training equipment according to the present invention includes an external device connecting means 50, and the external device is connected through the external device connecting means.

As described above, the external device may be a user terminal, an administrator terminal, a management server, or a separate system requiring a corresponding sensor signal. The external device may transmit and receive sensor signal related information through a wireless or wired communication interface. Is configured to.

The external device may be provided to a user by installing a program that provides a user with a basic tool for designing a control circuit for controlling a mechatronics device, a sensor related circuit, and / or an analysis program. And provide the analyzed program to the controller.

For example, the program tool provided for the user may be a LabVIEW based program source. The LabVIEW program is a control instrumentation language created by National Instruments. It is also called a virtual instrument because it can be configured to look like a real device on a computer. It can also be used with text-based programming languages such as Basic or C-language. Is sometimes called a graphical programming language because it is programmed to create a diagram. In the LabVIEW program, a programming sequence follows a data flow, and various functions are provided to control various devices and to process data sent by the devices.

In addition, although not shown, the mechatronic training equipment according to the present invention may further include a voice input / output means composed of a microphone and a speaker to output the usage guide information or the status information according to the present invention.

Hereinafter, an example of training using the mechatronic training equipment of the present invention configured as described above will be described.

Fig. 6 shows a configuration for monitoring a driving state of a step motor using mechatronic training equipment, and the step motor shaft is connected to the motor binding unit.

As the step motor rotates, the worm gear rotates, and the pressure plate moves back and forth by the rotation.

Each time the step motor rotates, the pressure plate moves to the pressure sensor side at a predetermined unit length, and the pressure sensor senses the pressure applied by the pressure plate.

The pressure sensor is one kind of sensor mounted on the breadboard of the mechatronic training equipment of the present invention.

The sensor signal sensed by the pressure sensor is transmitted to the sensor circuit 42 of the control board 40, and the learner can learn the sensing signal processed by the sensor circuit through the display means 20. In this example, the learner can learn the characteristics of the step motor (torque converted from pressure).

The present invention can be used as an integrated platform for education by connecting a variety of IoT sensors to a mechatronic mechanical device of various fields while being portable as a single device.

Claims

(A) Formed on the upper surface of the case, and configured to be able to plug in the electronic device to form a circuit, the device mounting unit 11 on which the mechanical device is mounted, the sensor is mounted sensors for monitoring the driving state of the mechanical device Bread board 10 including the mounting portion 12;

(B) display means 20 formed on one side of the upper surface of the case to display and output analysis information on the sensor signal,

(C) a connection port 30 for connecting the sensor mounted on the bread board to the following control board; And

(D) a sensor circuit 41 provided inside the case and receiving a sensor signal sensed by a sensor, a device driving circuit 42 for driving a mechanical device mounted in the device mounting portion, and the bread board Mechatronic training equipment, characterized in that it comprises a control board (40) including a processor (43) for analyzing the sensor signal provided from the sensor mounted in the output means to the display means.
The method of claim 1,

The processor 43 includes an A / D converter 43t and a controller 43c for A / D converting and outputting a sensor signal provided from a sensor mounted on the bread board 10,

The control unit 43c includes a plurality of sensor signal input terminals, and the sensor signal input terminal analyzes the sensor signal provided in connection with the sensor mounting unit of the breadboard and the A / D conversion unit to the display means. Mechatronics training equipment, characterized in that configured to output.
The method of claim 1,

Mechatronic training equipment, characterized in that the control board further comprises a plurality of external device connection means (50) for transmitting and receiving information related to the sensor signal and the external device.
The method of claim 3,

The control unit includes an FPGA for storing a sensor signal analysis program and analyzes a sensor signal provided from a sensor mounted on the breadboard or a sensor signal provided from the A / D converter according to an analysis program stored in the FPGA. Mechatronics training equipment characterized in that for processing, the sensor signal analysis program provided from an external device connected to the external device connection means is updated and stored in the FPGA to perform a sensor analysis process according to the updated sensor signal analysis program .
The method of claim 1,

The sensor mounted on the sensor mounting unit is a sensor for detecting a bio-related signal including at least one of electrocardiogram, electromyography, pulse wave, and blood pressure, or a machine or environment including at least one of strain intensity, temperature, pressure, and motor. Mechatronics training equipment, characterized in that the sensor for detecting the relevant signal.
The method of claim 1,

The control board has a plurality of amplifiers (43a) for amplifying and outputting the sensor signal input from the sensor mounted in the sensor mounting unit to the A / D conversion unit, respectively,

The A / D converter 32t is configured to convert a sensor signal provided from each amplifier into a digital signal and output the digital signal to the controller, respectively.

The control unit is mechatronic training equipment, characterized in that configured to output the sensor analysis information for the sensor signal provided from the A / D conversion unit and the breadboard.
The method of claim 5,

Mechatronics training equipment further comprises an isolator (43i) for directionally outputting the amplified sensor signal to the A / D converter between the amplifier and the A / D converter.
The method of claim 1,

The apparatus mounting unit 11 is a mechatronic training equipment, characterized in that the device control kit (11k) for generating and transmitting a device control signal to and from the device drive circuit 42 provided in the control board.