TWI382372B - Networked electronic circuit teaching platform - Google Patents

Networked electronic circuit teaching platform Download PDF

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Publication number
TWI382372B
TWI382372B TW97149156A TW97149156A TWI382372B TW I382372 B TWI382372 B TW I382372B TW 97149156 A TW97149156 A TW 97149156A TW 97149156 A TW97149156 A TW 97149156A TW I382372 B TWI382372 B TW I382372B
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TW
Taiwan
Prior art keywords
electronic circuit
teaching platform
networked electronic
main control
control unit
Prior art date
Application number
TW97149156A
Other languages
Chinese (zh)
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TW201025221A (en
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Univ Lunghwa Sci & Technology
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Filing date
Publication date
Application filed by Univ Lunghwa Sci & Technology filed Critical Univ Lunghwa Sci & Technology
Priority to TW97149156A priority Critical patent/TWI382372B/en
Publication of TW201025221A publication Critical patent/TW201025221A/en
Application granted granted Critical
Publication of TWI382372B publication Critical patent/TWI382372B/en

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Description

Networked electronic circuit teaching platform

The invention relates to an electronic circuit teaching platform, in particular to a networked electronic circuit teaching platform, which can perform internship and verification of remote electronic circuit design through a network through a terminal computer.

According to the current large-scale measurement system, a considerable amount of equipment is used. Because different instruments and devices are driven and communicated differently, if there is no suitable control software to integrate all low-level and device-dependent instrument drivers, and provide users with one The measurement process is very inconvenient because of the friendly and easy to use measurement environment.

In order to improve the time-consuming, uneconomical, low-quality, low-efficiency and other shortcomings of manual measurement methods, as well as industrial upgrading and production automation, enterprises need a general-purpose automatic measurement system, which can provide different measurement for different applications. The method is to improve the shortcomings of the traditional manual testing method and meet the requirements of different applications; for the teaching and research needs of the motor and electronics field, the general-purpose automatic measuring system is preferably remotely operated, so the enterprise needs one A networked, universal, automated measurement system that provides a virtual lab with no venues and time constraints via a web-based learning platform, allowing users to learn circuit design skills and knowledge online anytime, anywhere.

In view of the problems and needs of the conventional circuit measurement, the present invention provides a networked electronic circuit teaching platform, which can perform internship and verification of remote electronic circuit design through the network.

An object of the present invention is to provide a networked electronic circuit teaching platform, which can be respectively connected to an authentication database, an electronic circuit teaching material database, and a user learning record database via a teaching server. And through a computer connected to the teaching server through the Internet, providing users with remote electronic circuit design internship and verification services.

Another object of the present invention is to provide a networked electronic circuit teaching platform that can place a circuit to be tested on a platform and use a computer to set the operating voltage and operating current of the circuit at a remote location through the network.

Another object of the present invention is to provide a networked electronic circuit teaching platform that can use a computer to obtain voltage and current waveform curves of different measurement points at a remote location through a network.

Another object of the present invention is to provide a networked electronic circuit teaching platform that provides users with the ability to select different circuit architectures through the network.

In order to achieve the above object, the present invention provides a networked electronic circuit teaching platform, which at least includes: a human-machine interface for a user to operate the networked electronic circuit teaching platform; at least one electronic circuit to be tested; a main control unit, The utility model has a teaching material database and a human-machine interface software, and can control the operation of the whole system according to the instruction of the human-machine interface; a programmable DC power supply can be planned by the main control unit according to the instruction of the human-machine interface The output voltage, the output current, and the output power; a programmable logic controller coupled to the main control unit, the main control unit being driven to perform multi-channel switching control; and the mechanical switching relay and the transistor The programmable switching box circuit switches a conduction path of the programmable switching box circuit to select a desired measuring point according to the control signal of the programmable logic controller, so that the circuit to be tested can be measured Related voltage and current information; a digital storage oscilloscope for measuring the relevant voltage and current information and through a communication protocol interface The related pass mode voltage, current information back to the master unit, for calculating various characteristics of parameters in the master unit.

In order to achieve the above object, the networked electronic circuit teaching of the present invention is flat The operating program includes at least the following steps: a. placing at least one circuit to be tested on a measurement platform; b. connecting a server through the network through a network, the server having a data capture card, Controlling a programmable DC power supply via a communication protocol interface; c. connecting a desired input voltage source to the circuit to be tested through a programmable switching box; d. controlling a programmable logic controller to switch the programmable circuit Switching a plurality of switches in the box to select a plurality of measuring points of the circuit to be tested; e. storing the voltage and current information of the equal measuring points to a digital storage oscilloscope; and f. The relevant voltage and current information measured by the oscilloscope is transmitted back to the server through a communication protocol interface to perform calculation and waveform display of various characteristic parameters in the server.

The detailed description of the drawings and the preferred embodiments are set forth in the accompanying drawings.

Please refer to FIG. 1 , which is a schematic diagram of a networked electronic circuit teaching platform according to a preferred embodiment of the present invention. As shown in FIG. 1, the networked electronic circuit teaching platform of the present invention comprises: a computer 10; a human machine interface 11; a programmable logic controller 20; a programmable DC power supply 30; Circuit 40; at least one circuit to be tested 50; and a digital storage oscilloscope 60.

The computer 10 is, for example but not limited to, a personal computer (PC) having a human interface software, which is a main control unit of the entire control system, and can be used to interact with the human interface 11 to control the operation of the entire system. According to the human interface software, the computer 10 can receive the command of the human interface 11 to control the programmable logic controller 20, the programmable DC power supply 30, the programmable switching circuit 40, and the digital storage oscilloscope 60. Perform circuit setup, power-on operation, receive measurement data, perform calculations and analysis, and verify Measure whether the value is valid, manage the data, and display the test results on the screen or output to other peripheral devices. In addition, the computer 10 further has a GPIB interface and an RS-232 interface (both not shown in FIG. 1).

The human interface 11 can be coupled to the computer 10 via the Internet for the user to operate the networked electronic circuit teaching platform. The human machine interface 11 has a function of providing a user to reserve the use time of the networked electronic circuit teaching platform; providing a function for the user to select a plurality of measurement points of the circuit under test 50; and providing a user to select the circuit to be tested The function of one of the circuit architectures; and the function of the user selecting to observe the voltage versus time or current versus time of the equal measuring points.

The programmable logic controller 20 is coupled to the computer 10, and is controllable by the computer 10 to send a switching signal to drive the programmable switching circuit 40 to switch the equal measuring points; the computer 10 can also be controlled by the computer 10 A configuration signal is sent to drive the programmable switching circuit 40 to make the circuit under test 50 form a circuit architecture.

The programmable DC power supply 30 is coupled to the computer 10 for generating the operating voltage required by the circuit under test 50.

The programmable switching circuit 40 is coupled to the programmable logic controller 20 for switching the equal measuring points of the circuit under test 50 according to the switching signal, and forming the circuit to be tested 50 according to the configuration signal. The circuit architecture.

The circuit under test 50 operates according to a working voltage, and has the same measuring point and a switch module capable of configuring a plurality of circuit structures, and the circuit structure can be formed according to the configuration signal.

The digital storage oscilloscope 60 is configured to measure related voltage and current information of the equal measuring points, and transmit the related voltage and current information to the communication protocol through a communication protocol interface communication mode such as a GPIB interface or an RS-232 interface. The computer 10 is configured to perform calculations of various characteristic parameters within the computer 10.

Please refer to FIG. 2 , which is a schematic diagram showing the teaching content of a networked electronic circuit teaching platform according to a preferred embodiment of the present invention. As shown in FIG. 2, the teaching content of the networked electronic circuit teaching platform of the present invention includes: Buck (buck) converter 12, Boost (boost) converter 13, Buck-Boost (buck-boost) Converter 14, Flyback converter 15, PFC (work factor correction) 16, IsSpice simulation teaching 17, and personal experiment area 18.

The learning theme of the Buck converter 12, the Boost converter 13, the Buck-Boost converter 14, the Flyback converter 15, the PFC 16, and the IsSpice simulation teaching 17 is for the user to select a learning option.

When the personal experiment area 18 is clicked, the screen shown in FIG. 3 is entered, and the user can select the desired experiment item 19 to enter the human machine interface 11.

After entering the human interface 11, the screen is as shown in FIG. 4, and the user can control the programmable DC power supply 30 via the GPIB and DAQ communication modes of the computer 10 by using the Power Supply button 110. The power is turned on or off; the programmable DC power supply 30 can also be controlled by the voltage and current adjustment knob 111 to provide the operating voltage and current of the circuit under test 50.

The Switching Box button 112 allows the programmable logic controller 20 to communicate with the computer 10 through an RS-232 connection line, and controls the switching circuit 40 composed of the mechanical switching relay 41 and the transistor 42 to allow the programmable circuit 40 to be tested. The measurement of the circuit 50 is not limited to the number of channels of the digital storage oscilloscope 60 and provides multi-channel switching, so that the measured probe position can be changed without manual use. The measurement result obtained by the digital storage oscilloscope 60 is transmitted back to the computer 10 through the GPIB communication mode, and displayed on the oscilloscope CH1 screen 113 and the CH2 screen 114. The user can use the save button 115 to store the experimental results for comparison and verification with the teaching content.

Therefore, through the implementation of the networked electronic circuit teaching platform of the present invention, the measurement points can be changed according to requirements to further obtain the characteristic parameters of the contacts on the circuit to be tested, and the user can select different circuit architectures. Simplifying the experimental flow of operations can indeed improve the shortcomings of conventional electronic circuit design experiments.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

In summary, this case, regardless of its purpose, means and efficacy, is showing its technical characteristics that are different from the conventional ones, and its first invention is practical and practical, and it is also in compliance with the patent requirements of the invention. I will be granted a patent at an early date.

Computer ‧‧10

Human-machine interface ‧‧11

Buck Converter ‧‧12

Boost Converter ‧‧13

Buck-Boost Converter ‧‧14

Flyback Converter ‧‧15

PFC‧‧16

IsSpice simulation teaching ‧‧17

Personal experimental area ‧‧18

Experimental project required ‧‧19

Programmable Logic Controller ‧‧20

Programmable DC Power Supply ‧‧30

Switching circuit ‧‧40

Mechanical Switching Relay ‧‧41

Transistor ‧ ‧ 42

Circuit to be tested ‧ ‧ 50

Digital storage oscilloscope ‧‧60

Power Supply button ‧‧‧110

Voltage and current adjustment button ‧‧11111

Switching Box button ‧‧‧112

Oscilloscope CH1 screen ‧‧‧113

Oscilloscope CH2 screen ‧‧‧114

Save button ‧‧‧115

FIG. 1 is a schematic diagram showing a networked electronic circuit teaching platform according to a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram showing the teaching content of a networked electronic circuit teaching platform according to a preferred embodiment of the present invention.

3 is a schematic diagram showing a personal experimental area of a networked electronic circuit teaching platform according to a preferred embodiment of the present invention.

4 is a schematic diagram showing a human-machine interface of a networked electronic circuit teaching platform according to a preferred embodiment of the present invention.

Computer ‧‧10

Human-machine interface ‧‧11

Programmable Logic Controller ‧‧20

Programmable DC Power Supply ‧‧30

Switching circuit ‧‧40

Mechanical Switching Relay ‧‧41

Transistor ‧ ‧ 42

Circuit to be tested ‧ ‧ 50

Digital storage oscilloscope ‧‧60

Claims (11)

  1. A networked electronic circuit teaching platform capable of internship and verification of remote electronic circuit design through a network, which has a human-machine interface for a user to operate the networked electronic circuit teaching platform, which can be input by a user Setting a human-machine interface command; a main control unit for performing the working voltage setting, circuit configuration setting, measuring point setting, and data transmission of the networked electronic circuit teaching platform according to the human-machine interface instruction; at least one a circuit to be tested, which requires an operating voltage and has at least one measuring point; a programmable DC power supply is coupled to the main control unit for generating the operating voltage required by the circuit to be tested; a program switching controller coupled to the main control unit and capable of accepting control of the main control unit to switch the equal measurement points; and a digital storage oscilloscope coupled to the main control unit for The voltage versus time or current versus time measured by the equal measuring points is transmitted back to the main control unit.
  2. For example, the networked electronic circuit teaching platform described in claim 1 is wherein the main control unit is a personal computer.
  3. The networked electronic circuit teaching platform of claim 1, wherein the operating voltage is a programmable DC operating voltage.
  4. The networked electronic circuit teaching platform of claim 1, wherein the programmable controller has: a programmable logic controller coupled to the main control unit and capable of accepting the main control unit Controlling and sending a switching signal; and a switching circuit coupled to the programmable logic controller for switching the equal measuring points according to the switching signal.
  5. The networked electronic circuit teaching platform of claim 4, wherein the digital storage oscilloscope is coupled to the main control unit via a GPIB interface.
  6. For example, the networked electronic circuit teaching platform described in claim 5, wherein the human-machine interface can provide a function for the user to reserve the use time of the networked electronic circuit teaching platform.
  7. For example, the networked electronic circuit teaching platform described in claim 5, wherein the human machine interface can provide a function for the user to select the measurement points.
  8. The networked electronic circuit teaching platform of claim 1, wherein the circuit to be tested further has a switch module capable of configuring a plurality of circuit structures, which can form a circuit structure according to a configuration signal.
  9. The networked electronic circuit teaching platform of claim 8, wherein the programmable switching controller can receive the configuration signal by receiving control of the main control unit.
  10. For example, the networked electronic circuit teaching platform described in claim 9 wherein the human interface provides a function for the user to select the circuit architecture.
  11. For example, the networked electronic circuit teaching platform described in claim 1 wherein the human interface provides a function for the user to select a voltage versus time or current versus time waveform of the equal measuring points.
TW97149156A 2008-12-17 2008-12-17 Networked electronic circuit teaching platform TWI382372B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW97149156A TWI382372B (en) 2008-12-17 2008-12-17 Networked electronic circuit teaching platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW97149156A TWI382372B (en) 2008-12-17 2008-12-17 Networked electronic circuit teaching platform

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TW201025221A TW201025221A (en) 2010-07-01
TWI382372B true TWI382372B (en) 2013-01-11

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103347006B (en) * 2013-06-20 2015-04-29 同济大学 Control system and control method for networking cooperation virtual experiment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224055A (en) * 1989-02-10 1993-06-29 Plessey Semiconductors Limited Machine for circuit design
TW439049B (en) * 2000-06-21 2001-06-07 Luo Guang Yau Electric circuit module teaching method and its apparatus
TW581989B (en) * 1999-01-20 2004-04-01 Accenture Llp A method and article of manufacture for a thin client server instructional system
TW200717376A (en) * 2005-10-21 2007-05-01 Jen-Chung Lin Method and system for real-time long-distance auxiliary teaching method with matching the entity plane books, and readable computer storage medium thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224055A (en) * 1989-02-10 1993-06-29 Plessey Semiconductors Limited Machine for circuit design
TW581989B (en) * 1999-01-20 2004-04-01 Accenture Llp A method and article of manufacture for a thin client server instructional system
TW439049B (en) * 2000-06-21 2001-06-07 Luo Guang Yau Electric circuit module teaching method and its apparatus
TW200717376A (en) * 2005-10-21 2007-05-01 Jen-Chung Lin Method and system for real-time long-distance auxiliary teaching method with matching the entity plane books, and readable computer storage medium thereof

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