DYDG-181C Electronic Electronic Technology Comprehensive Training Platform

1. Equipment Overview
This tr*ning device is suitable for majors such as electrical , electronic , mechanical , electromechanical and general engineering majors such as "Analog Electronic Technology", "Digital Electronic Technology", " Basics of Electrical Engineering ", and "Circuit Principles". , "Circuits and Magnetic Circuits", "Electrical Engineering", "Power Electronics Technology", " Motor and Drag Technology" and other comprehensive application and innovative tr*ning requirements. And can carry out curriculum design, graduation project and development of electrical and electronic products for related courses.
The electrician innovative tr*ning module is composed of a plastic organic box and a PCB board, and includes multiple combined modules, providing students with a completely open platform for comprehensive application, innovative tr*ning, and full utilization of students' potential.
2. Equipment technical indicators
1. Working power supply: three-phase five-wire AC 3800V±10% 50Hz
2. Temperature: -10~40℃; ambient humidity: ≤90% (25℃)
3. Overall dimensions: length × width × height =1600×700×1300㎜
4. Power consumption of the whole machine: ≤1.0KW
5. Safety protection measures: It has grounding protection and leakage protection functions, and its safety complies with relevant national standards. Use high-insulation safety sockets and high-strength safety experimental wires with insulating sheaths.
3. Equipment Functional Characteristics
    1. From verifying book knowledge to comprehensive application of book knowledge, experiments and practical tr*ning arrangements are based on cultivating abilities, *ming at technology application, and are close to production reality.
2. Students independently build experimental and practical tr*ning circuits. Various modules are carefully configured and have multiple application components. The modules are made of plastic organic boxes and can also be used as physical teaching. They serve multiple purposes. Electronic innovation tr*ning provides the unit modules required for the practical tr*ning guide project, and also configures a relatively complete set of unit modules for students' possible innovation and exploration.
3. The device provides a complete range of power supplies and signal sources, as well as various instruments, providing students with a completely open platform that can fully unleash their innovation potential. On this platform, they can install and debug electrical and electronic product lines. And troubleshooting, it can also be used for skills competitions, course design, graduation projects and technological development; and the modules are easy to m*nt*n, allowing students to operate and test without worries.
4. The innovative tr*ning projects for comprehensive application of electrical technology supported by this device have been repeatedly considered and carefully configured; there are many electrical and electronic product lines, which are not only conducive to the practical application of knowledge, but also can greatly improve students' interest in learning.
4. The functions of each functional module unit of this equipment are composed of:
the device consists of a m*n tr*ning chassis, an instrument rack, an experimental table (equipped with a fixed plug-in board for the innovative tr*ning module), a mobile low cabinet, and an innovative tr*ning module (equipped with corresponding storage boards) , student stools, etc. The tr*ning device bracket and the tr*ning table can be combined and disassembled.
( 1 ) Introduction to the m*n chassis for practical tr*ning : The m*n chassis for practical tr*ning adopts an iron double-layer matt dense pattern spray-p*nted structure and an aluminum panel. On the left are safety controls, AC and DC power supplies, signal sources, measuring meters, etc.; the left and right sides and top of the m*n chassis control panel are equipped with multiple sets of AC working power sockets for external instruments. 1. The three-phase AC power module provides three-phase fixed 380V AC power, three-phase fixed 220V AC power and single-phase 0~250V continuously adjustable AC power. It is equipped with a single-phase voltage regulator with a specification of 0.5kVA/0~250V. . The 380V AC power output is equipped with over-current protection, which can automatically protect ag*nst phase-to-phase and line-to-line overcurrent and direct short circuit. Equipped with a pointer AC voltmeter, which can indicate the three-phase fixed 380V AC power output voltage by switching the band switch. It is equipped with one AC380V and multiple AC220V AC power interfaces, which can provide working power for external instruments and equipment. 2. The voltage of the low-voltage AC power module is 3-24V, which is adjustable in seven levels, including 3V, 6V, 9V, 12V, 15V, 18V, and 24V output. The maximum output current is 1.5A, as indicated by the ammeter. Dual 17V center-tapped transformers are also provided. One. 3. Stabilized current and voltage power supply module 3.1. Provides 0~220V continuously adjustable DC power supply, and the power output is equipped with short-circuit protection measures. 3.2. The dual output voltage is 0~30V, which is continuously adjusted by a multi-turn potentiometer. It has a preset overcurrent and overload protection function. The maximum output current is 2A. Each power output has a 0.5-level digital ammeter and voltmeter indication. . 3.3. DC power supply includes ±15V, ±12V and ±5V six-way power supply, 4 intelligent AC and DC measuring instrument modules 4.1, 1 intelligent AC voltmeter : measuring range: 0-1000V, set to four ranges of 1V/10V/100V/1000V, Six digits display measurement value. The instrument adopts modern technology, has digital Chinese display, is intelligent, digital, and has host computer communication functions. The instrument can be set and operated through buttons, ranging from manual to automatic mode switching, calibration, zero adjustment, filtering series setting, communication address setting, Over-range automatic alarm prompts and protection functions. The hardware part has strong integrity and high integration. It is made using surface-mount technology, industrial plastic shell, and panel embedded installation. It is stable in use and easy to replace, upgrade and m*nt*n. 4.2. 1 smart AC ammeter : measurement range: 0-5A, set to three ranges of 10mA/500mA/5A, six-digit digital display of the measurement value. The instrument adopts modern technology, has digital Chinese display, is intelligent, digital, and has host computer communication functions. The instrument can be set and operated through buttons, ranging from manual to automatic mode switching, calibration, zero adjustment, filtering series setting, communication address setting, Over-range automatic alarm prompts and protection functions. The hardware part has strong integrity and high integration. It is made using surface-mount technology, industrial plastic shell, and panel embedded installation. It is stable in use and easy to replace, upgrade and m*nt*n. 4.3. 1 smart DC voltmeter
:Measurement range: 0-1000V, set four ranges of 1V/10V/100V/1000V, six-digit digital display of the measurement value. The instrument adopts modern technology, has digital Chinese display, is intelligent, digital, and has host computer communication functions. The instrument can be set and operated through buttons, ranging from manual to automatic mode switching, calibration, zero adjustment, filtering series setting, communication address setting, Over-range automatic alarm prompts and protection functions. The hardware part has strong integrity and high integration. It is made using surface-mount technology, industrial plastic shell, and panel embedded installation. It is stable in use and easy to replace, upgrade and m*nt*n.
4.4. 1 smart DC ammeter : Measuring range: 0-5A, set to three ranges of 10mA/500mA/5A, six-digit digital display of the measurement value. The instrument adopts modern technology, has digital Chinese display, is intelligent, digital, and has host computer communication functions. The instrument can be set and operated through buttons, ranging from manual to automatic mode switching, calibration, zero adjustment, filtering series setting, communication address setting, Over-range automatic alarm prompts and protection functions. The hardware part has strong integrity and high integration. It is made using surface-mount technology, industrial plastic shell, and panel embedded installation. It is stable in use and easy to replace, upgrade and m*nt*n.
4.5. One single-phase intelligent power and power factor meter : power measurement accuracy is 0.5, power factor measurement range is 0.3-1.0, voltage and current range is 450V and 5A. Six-digit digital display of active power, reactive power, total power, power factor, voltage, current, load type, load type: L, R, C. The instrument adopts modern technology, has digital Chinese display, is intelligent, digital, and has host computer communication functions. The instrument can be set and operated through buttons, ranging from manual to automatic mode switching, calibration, zero adjustment, filtering series setting, communication address setting, Over-range automatic alarm prompts and protection functions. The hardware part has strong integrity and high integration. It is made using surface-mount technology, industrial plastic shell, and panel embedded installation. It is stable in use and easy to replace, upgrade and m*nt*n. 5. DDS power output function generator: 1) Use direct digital frequency synthesis (DDS) to generate high-precision sine waves, square waves and triangle waves. Use large-screen LCD to display output frequency, waveform, and attenuation value. 2) Sine wave output amplitude ≥10V, output impedance 50Ω, distortion <1% (0.1HZ-- 1KHz). 3) Frequency range: 0.1HZ~3MHz, use the keyboard to directly enter numbers to set the frequency. 4) The output amplitude is adjusted by a potentiometer, and the sine wave output has 20db and 40db attenuation. 5) Square wave duty cycle is adjustable, adjustment range: 1%-99% adjustment; square wave and triangle wave adopt TTL level output. 6) Frequency meter has a maximum measurement range of 100MHz and automatically shifts gears. (2) Instrument rack: The instrument rack is placed on the top of the tr*ning platform . It has a cross-sectional size of 70×70mm and is composed of high-performance surface-oxidized aluminum profiles, double-sided plastic sprayed steel plates and one-time aluminum die-cast frame connecting components (non-welded process ), with beautiful appearance, solid and durable structure, it can house oscilloscopes and other testing instruments, making it easy to use during experiments. A fluorescent tube for experiment is installed at the bottom of the instrument frame, and the fluorescent lamp wiring port is placed on the panel of the tr*ning m*n box. The tr*ning wiring is convenient, and the working status of the fluorescent lamp is easy to observe. ( 3 ) Practical tr*ning tools : soldering iron (with stand) diagonal pliers, needle nose pliers, Phillips screwdriver/slotted screwdriver and other supporting tools. ( 4 ) Tr*ning table : The overall dimensions are 1600 (length) * 700 (width) * 1300 (height). The m*n structure of the tr*ning table is made of high-performance surface-oxidized aluminum profiles and one-time aluminum die-cast frame connecting components. Adopting the die-casting molding process (the die-cast frame connection components are not welded, machined, shot blasted, sandblasted, and surface electrostatically sprayed), the installation is easy and fast, and users can DIY their own assembly. The uprights of the table body are made of industrial aluminum profile molding technology, with surface oxidation treatment. The cross-sectional size is 70×70mm, with grooves on all sides, the width of the groove is about 8mm, and the ends are equipped with plastic plugs. The tr*ning table has two drawers. The tabletop is made of no less than 25mm E1 grade solid wood, which is oil-resistant and water-resistant, does not blister, crack, or fade. There is a support frame under the tabletop, with a bearing capacity of no less than 200kg. Equipped with a storage cabinet, the bottom of the storage cabinet has 4 high-strength universal brakeable PU casters for easy movement. The overall tr*ning device is simple but not simple, high-end and in line with modern product aesthetics and development trends.    The two table legs behind the tr*ning table extend upward and form a tr*ning screen together with the m*n chassis and instrument frame. The tr*ning table is luxurious and functional as a whole. ( 5) Student stool 1. The stool legs are made of 30×30×1.2mm square tubes; 2. The drawing tube adopts 30×30×1.2mm square tube; 3. The stool surface is made of 240×340×25mm particleboard with wood gr*n paper, and the height of the stool is 40cm. The stool surface and the metal stool frame are fixed through large flat-head anti-scratch screws and anti-retreat nuts; 4. Anti-rust treatment: All metal parts need to be pickled, phosphated, and surface rust-removed. High-voltage electrostatic spraying and high-temperature baking are used. They require strong adhesion, anti-oxidation, no peeling, smooth and beautiful, and the color of the metal table body. is gray. ( 6 ) Electrical and electronic tr*ning module (see Table 1 for det*ls ) The tr*ning module consists of a component box and a PCB board. The component box is a combined component box. The component box unit group uses multiple components, typical tr*ning unit circuits, typical sensors , Made of universal integrated circuit sockets, etc., which can be easily combined into different electrical and electronic tr*ning circuits according to tr*ning needs; making the tr*ning open and innovative, the component box is made of organic engineering plastic injection molding and has a teaching function , allowing users to observe the component shapes and wiring methods, which is beneficial for teachers to expl*n and students to understand; the panel is made of PCB, with a clean surface, clear symbol lines, wear-resistant surface, and easy component replacement; the component circuits marked on the panel The symbols adopt national standards and have the characteristics of compact overall structure, beautiful appearance, simple installation, and convenient use and storage. The wire jack adopts an anti-rotation socket, and the wire is equipped with an elastic plug that can be plugged on the module to ensure reliable connection for various tr*nings; during tr*ning, it is convenient to combine tr*ning lines according to the needs of tr*ning content and skill tr*ning. , to complete different practical tr*ning projects, etc. The practical tr*ning module has a corresponding storage board for easy storage and management. 5. Practical tr*ning projects that can be completed with this equipment: Basic electrician tr*ning projects (1), Overview of electrical measurement and DC circuit part 1. Use of electrical instruments and calculation of measurement errors

2. Surveying and mapping of volt-ampere characteristics of circuit components
3. Measurement of unknown resistance - research on nonlinear circuits, measurement of incandescent lamp filament temperature and application of single-arm bridge circuits
4. Measurement of potential and voltage and drawing of circuit potential diagram
5 .Verification and application of Kirchhoff's law
6. Research on the characteristics of commonly used power supply circuits and optimal power output conditions of electronic circuits
7. Research on actual DC stabilized power supplies and DC stabilized power supplies
8. Verification and application of the superposition theorem - more Research on signal superposition control circuit
9. Application of Thevenin's theorem and bridge circuit - Research on copper resistance thermometer circuit
(2), AC circuit part
1. Analysis and research of resistor-inductor series circuit (fluorescent lamp circuit)
2. Resistor-capacitor phase shift Application of circuits - research on dimming desk lamp circuits (comprehensive application project)
3. Measurement of power and power factor of AC circuits and research on methods and significance of improving line power factors
4. R, L, C components in AC circuits Research and application of impedance and frequency characteristics - research on rectifier and filter circuits
5. R, L, C series resonant circuit
6. Three-phase four-wire system load voltage and current measurement
7. Three-phase three-wire system symmetrical load star and Determination of load voltage and current in delta connection
(3), magnetic circuit self-inductance, mutual inductance and transformer part
1. Determination of self-inductance coefficient, measurement and suppression method of inductor peak voltage when circuit is powered off
2. Research on mutual inductance circuit
3. Research on the characteristics of single-phase transformers
4. Research on the parallel operation characteristics of single-phase transformers
(4), circuit transient process
1. Research on the transient process of first-order circuits
2. Differential circuits and integral circuits and their applications
(5) Simulation Comprehensive application of electronic technology and innovative tr*ning projects
1. Performance testing and application of commonly used diodes
2. Determination of output characteristics of bipolar transistors and field effect tubes
3. Research on single-tube amplifier circuits
4. Design of bipolar amplifier circuits and negative feedback amplifier circuits Research
5. Debugging of hearing *d circuits (electronic product circuits)
6. Constant current charging circuit (application of field effect tubes) (electronic product circuits)
7. Transistor amplifier circuit troubleshooting
8. Research on rectification, filtering and voltage stabilizing circuits
9. Research on DC stabilized positive and negative power supply circuits
10. Typical composite complementary OTL power amplifier circuit debugging (electronic product circuit)
11. OTL power amplifier circuit troubleshooting
12. LM386 integrated audio power amplifier circuit and its application (electronic product circuit)
13. Basic operation circuit of operational amplifier
14. Integral operation circuit and differential operation circuit composed of operational amplifier
15. Research on the transmission characteristics of voltage comparator composed of operational amplifier
16. Production of gas sensor and smoke alarm and debugging (electronic product circuit)
17. Research and testing of square wave, triangle wave and sawtooth wave generator circuits
18. Production competition of triangle wave, square wave and sine wave generators
19. RC (Chinese Bridge) sine wave oscillator and Production and debugging
20. Capacitive three-point LC sine wave generator
21. Research on active filter circuits
22. Application and debugging of direct current-to-direct current (DC-DC) integrated voltage conversion circuit (electronic product circuit)
23. Production and debugging of constant temperature control circuit Debugging (Competition Project) (Electronic Product Line)
(6) Comprehensive Application and Innovation Tr*ning Project Catalog of Digital Electronic Technology
1) Basic Tr*ning Project of Digital Electronic Technology
1. Basic logic gate circuit function test
2. Priority encoder function test
3 .Binary decoder and data selector functional test
4. Full adder and carry lookahead full adder functional test
5. Numerical comparator functional test
6. Seven-segment code latch/decoding/driver functional test
7. Various types Flip-flop function test
8. Bidirectional shift register function test
9. 2151 decimal counter function test
10. Two-digit decimal counting/decoding/driving/display circuit
11. Reversible decimal counting circuit function test
12.N advance Counting circuit function test
13.555 timer basic application circuit
14. Differential monostable trigger
15. Integrated monostable trigger and its application
16. Integrated Schmitt trigger and its application
2) Comprehensive application tr*ning project
1. Sound and light control energy-saving street light circuit (electronic product circuit) (comprehensive application)
2.8-wire data transmission circuit (electronic product circuit) (comprehensive application)
3.4-bit ring counting beat generator (electronic product circuit) (comprehensive application)
4. Seconds Pulse signal generator (electronic product circuit) (comprehensive application)
5. Ambulance/ fire truck sound alarm circuit (electronic product circuit) (comprehensive application)
6. D/A converter converts digital into unipolar and bipolar Analog voltage
7. CNC variable frequency triangle wave-square wave generator
8. Shift register lantern display circuit (electronic product circuit) (comprehensive application)
9. 8-bit priority encoder answering circuit (electronic product circuit) (comprehensive application)
10. Touch password electronic lock circuit (electronic product circuit) (comprehensive application)
11. Digital clock circuit (electronic product circuit) (comprehensive application)
12. Two-digit decimal counting circuit (electronic product circuit) (comprehensive application)
13. Traffic light Control circuit (electronic product circuit) (comprehensive application)
14. Up/down step wave generator (electronic product circuit) (comprehensive application)
15. Photoelectric conversion plus/minus counting circuit (electronic product circuit) (comprehensive application)
(7) , Power electronics technology and application, innovative tr*ning project
Project 1 Control characteristics of thyristor and its application as a solid switch (electronic product circuit) (Comprehensive application project)
Project 2 Single-junction transistor trigger circuit
project Three-thyristor single-phase half-controlled bridge Debugging and analysis of rectifier circuit (resistive load)
Project 4 Research project 5: Thyristor single-phase half-controlled bridge rectifier circuit (resistive inductive load) (back electromotive force load)
Debugging and analysis of IGBT DC chopper circuit (electronic product circuit) ( Comprehensive application project)
Project 6: Production and debugging of bidirectional thyristor single-phase AC voltage regulation (dimming desk lamp) circuit (electronic product circuit) (Comprehensive application project)
Project 7: Power transistor (BJT) PWM control DC motor reversible speed regulation circuit (electronic product circuit) Product circuit) (comprehensive application project)