Electronic Technology Comprehensive Training and Assessment Equipment

Electronic Technology Comprehensive Training and Assessment Equipment

1 Electronic Technology Comprehensive Training and Assessment EquipmentProduct Overview

This equipment is developed in accordance with the national vocational standard training skills requirements issued by the Ministry of Human Resources and Social Security, such as "Electronic Assembly Workers for Broadcasting and Communication Equipment", "Debugging Workers for Broadcasting and Communication Equipment", "LCD Display Device Manufacturing Workers", "Semiconductor Discrete Devices and Integrated Circuit Assembly Workers", etc. It is also designed according to the standards and requirements of the World Skills Competition. This device is not only suitable for skill assessment and appraisal of various technical schools and vocational colleges in the electronic communication industry listed in the national vocational qualification catalog, but also for teaching and training courses such as electronic technology basics and design, microcontroller principles and applications, embedded systems and applications, innovative design, and various electronic technology skill competitions at home and abroadApplied Electronic TechnologyProfessional talent cultivation.

The equipment as a whole includes training in four major abilities: hardware design, microcontroller system programming, fault diagnosis and maintenance measurement, and electronic product assembly. It adopts a modular design and combined application design concept The module configuration includes a microcontroller basic module system, a basic simulation training circuit system, a basic digital training circuit system, and a WorldSkills training module system. The equipment is also equipped with high-end professional tools, instruments, consumables and accessory packages. In terms of teaching tasks, students can choose corresponding unit modules to build electronic product application systems according to the requirements of the work task, or choose to design a certain part of the unit circuit to complete the design, assembly, welding, programming, and debugging of various electronic products according to the requirements of the work task.

II Electronic Technology Comprehensive Training and Assessment EquipmentProduct Function and Structure

The equipment mainly consists of a workbench, training screen, training screen module, tool cabinet, computer desk, circuit training module, and instrument tool consumables package.

1. workbench:The table body is made of high-quality aluminum profiles as the skeleton, making the whole machine sturdy, durable, and aesthetically pleasing. Desktop adopts25mm thick high-density fiberboard, externally coated with fireproof board, PVC section edge sealing, desktop with characteristics of wear resistance, heat resistance, stain resistance, fire resistance, bacteria resistance, mold resistance, anti-static, and easy cleaning. The workbench is equipped with anti-static matching devices, with a training screen, module box placement crossbeam, tool mesh plate, and high-end strip LED lighting above the desktop.

2. Training screen:Modular configuration method, the training screen is equipped with industrial sockets inside, and any module installed on the training screen panel can be used by simply plugging in the power supply. There is no internal connection between modules, and they can be used independently. The module includes a DC power module, oscilloscope module, function signal generator module, power controller module, etc., and is equipped with a leakage protection switch to protect against leakage, electric shock, overcurrent, and short circuit.

3. Tool cabinet:Adopting high-quality materialsQ235 cold-rolled steel plate welded together, surface electrostatically sprayed. The tool cabinet is equipped with universal wheels with brakes, allowing it to be fixed and moved freely. The tool cabinet is designed with four drawers, which can hold sets of accessories, toolkits, development boards, simulators, measuring instruments, etc.

4. Competition resource package configuration（optional）：The content of the circuit training module in the resource package is very rich, including microcontroller module system, basic simulation training circuit system, basic digital training circuit system, etc. Training can be conducted separately or in various combinations.

5. Instrument, tool, consumables and accessories package:The equipment, tools, consumables and accessories package is configured according to the electronic technology project competition site of the World Skills Competition, with complete configuration and professional performance.

III Electronic Technology Comprehensive Training and Assessment Equipmentsetpreparespecialpoint

1.open-ended design

Suitable electronic devices can be selected from the programmable device library and electronic component library based on the training assessment topics, and designed and manufactured using the configured training tools and testing instruments.

2.Mold based application

The programmable device unit board library, electronic component library, and training tool library are clearly classified and neatly arranged.

3.Building block concept

According to the technical application classification of programmable electronic devices, there are unit modules configured, and the corresponding unit modules can be selected to form the control circuit according to the requirements of the work task book.

4.Clever combination

The training circuit module configuration is rich, and each module can be freely selected and combined according to the different experimental contents. All intermediate connections are equipped with quick connectors, which are easy to operate, quick to replace, and have considerable expansion space. The instrument accessory kit is consistent with the configuration of the World Expo and complies with international standardsCompetition level.

4parameterOverview

1. Working power supply: single-phase three wire AC220V±5% 50HZ

2. Safety protection: leakage protection, overcurrent protection

3. Rated power2.5kW

4. Programmable DC power supply:UDP8303M (optional for other models)

5. Digital Oscilloscope :UPO7104Z (optional other models)

6. function/Arbitrary waveform generator:UTG8082D (optional for other models)

7. singlechip:The 51 series uses IRC15W4K63S4 (STC 1T 8051 microcontroller), while the ARM series usesSTM32L052

8. Electronic product execution standards:IPC-A-610F

9. Ambient temperature-10～50℃

10. Relative temperature:≤85%

11. Overall dimensions:L2600mm×W1800mm×H2050mm

5equipmentConfiguration List

6、 Product parameter description

1practical trainingscreen

Structural dimensions:L1800mm*W250mm*H289MM， Made of high-quality Q235 cold-rolled steel plates welded together, with surface electrostatic spraying.

Composition and Configuration:Modular configuration method, the training screen is equipped with industrial sockets inside, and any module installed on the training screen panel can be used by simply plugging in the power supply. There is no internal connection between modules, and they can be used independently. The module includes a DC power module, oscilloscope module, function signal generator module, power controller module, etc., and is equipped with a leakage protection switch to protect against leakage, electric shock, overcurrent, and short circuit.

2Programmable DC power supply

1)Power supply voltageAC 115V230V

2)Frequency:47 to 63Hz

3)Rated output voltage of CH1 and CH2 channels: 0-32V;

4)Rated output current of CH1 and CH2 channels: 0-3.2A;

5)output power:219W

6)Load effectVoltage:<0.01%+3mV, Current:<0.1%+5mA

7)Power effectVoltage:<0.01%+3mV Current:<0.1%+3mA

8)Set resolution: Voltage:10mV， Current: 1mA

9)Set accuracy（25 ℃± 5 ℃): Voltage:<0.5%+20mV, Current:<0.5%+5mA

10)Output temperature coefficient: Voltage:≤150ppm， Current: ≤ 150ppm

11)Read back resolution: Voltage:10mV， Current: 1mA

12)Voltage increase/Descent delay: ≤ 100ms (10% Rated load)

13)parallel connection/Series load effect: Voltage: ≤ 0.1%+0.1V

14)Interface:USB Device,RS-232

15)CH3 channel rated output voltage 5V;

16)Rated output current of CH3 channel: 3.2A;

17)CH3 channel voltage accuracy: ± 50mV

18)CH3 channel load effect: ± 50mV

19)Voltage resistance:1mA 10s (AC in to PE/AC1800V)

20)Insulation resistance:30MΩ @ 500V (AC in to PE)，30MΩ @ 500V (AC in to DC out)

3. Function signal generator

1)Output waveforms: sine wave, square wave, sawtooth wave, pulse wave, pulse train, sweep frequency, noise, harmonics, and any waveform, etc;

2)Output frequency range: sine wave:1µHz~80MHz； Square wave: 1 µ Hz~30MHz; Sawtooth wave: 1 µ Hz~2MHz;

3)Frequency stability:2ppm

4)Any wave:1μHz to 20MHz;

5)Adopting advanced technologyDDS technology, dual channel and other performance independent outputs;

6)built-in7-bit high-precision, wideband frequency meter, frequency range: 100mHz~800MHz;

7)USB Device and USB Host interface, supporting USB storage

8)Output amplitude(High resistance): Continuously adjustable between 2mVpp and 20Vpp

9)Output impedance:Continuously adjustable between 0 Ω and 1M Ω;

10)Output amplitude and frequency errors±1%左右；

11)Vertical resolution:16bits， Sampling rate: 500MS/s;

12)Dual channel independent point by point output with maximum arbitrary wave length:32Mpts， Maximum storage space for arbitrary waves: 7GB;

13)Analog digital modulation type:AM、FM、PM、ASK、FSK、PSK、BPSK、QPSK、OSK、PWM、SUM、QAM；

14)Harmonics: possessing16th harmonic generator function;

15)Optional digital arbitrary wave output interface, supporting multiple serial bus outputs;

16)Display:8-inch WVGA (800 × 480) TFT LCD screen, displaying two channels of frequency, amplitude and other information simultaneously; Support upper computer monitoring and instrument operation;

4. Digital oscilloscope

1)100MHz bandwidth, 1GS/s real-time sampling rate;

2)4 analog channels;

3)Each channel28Mpts storage depth (four channels simultaneously open), storage depth supports automatic mode and manual selection;

4)8-inch WVGA (800 × 480) TFT LCD screen, 256 level grayscale display (supports color temperature display);

5)The waveform capture rate is as high as50,000wfms/s， Support Trigger Out to verify waveform capture rate;

6)Low noise floor, wide range vertical gear1mV/div~20V/div， And each gear supports full bandwidth;

7)Time base range5ns/div~50s/div；

8)Support independent and adjustable time base for each channel;

9)Support addition, subtraction, multiplication, divisionFFT、 Advanced calculation functions such as formula editing and logical operations;

10)Trigger type standard: edge, pulse width, under amplitude, over amplitude,N-edge, delay, timeout, duration, establish/maintain, slope, video, code pattern; Optional: RS232/UART, I2C, SPI

11)supportRS232/UART, I2C, SPI bus decoding (optional);

12)Support simultaneous openingY-T and X-Y modes, capable of observing the waveform of Li Shayu;

13)Equipped with standard interfaces:USB Host，USB Device，LAN，AUX Out（Trigger Out / Pass/Fail）；

14)Optional25MHz dual channel function/arbitrary waveform generator module with equal performance;

15)Optional lithium battery powered digital multimeter module;

16)Support logic analyzer module;

17)Support upper computer monitoring and instrument operation;

5. Workbench

Structural dimensions:adoptL-shaped design, L2648mm × W1848mm × H2050mm

Operating table：L1800mm×W800mm×H780mm，Using high-performance surface oxidized aluminum profiles and one-time formed aluminum die-casting frame connecting components, connecting componentsAdopting die-casting molding process（Non welding process）Through machining, shot blasting, sandblasting, and surface electrostatic spraying technology，Easy and fast installation, users can do it themselvesDIY assembly. Table bodyThe column adopts industrial aluminum profile forming process, surface oxidation treatment, and cross-sectional size:70 × 70mm, with grooves on all sides, groove widthabout8mm， End matching plastic plug, Desktop25mm thick fireproof fiberboard.

computer desk：L1800mm×W800mm×H780mm，Using high-performance surface oxidized aluminum profiles and one-time formed aluminum die-casting frame connecting components, connecting componentsAdopting die-casting molding process（Non welding process）Through machining, shot blasting, sandblasting, and surface electrostatic spraying technology，Easy and fast installation, users can do it themselvesDIY assembly. Table bodyThe column adopts industrial aluminum profile forming process, surface oxidation treatment, and cross-sectional size:70 × 70mm, with grooves on all sides, groove widthabout8mm， End matching plastic plug, Desktop25mm thick fireproof fiberboard.

LED light shed：Refined by cold-rolled sheet metal process, the surface is electrostatically sprayed with plastic, and the configuration is creatively modern strip-shapedLED ceiling light, floating platform shape, full of sci-fi feel.

Tool mesh hanging board：The steel plate is refined by cold rolling sheet metal process, with surface electrostatic spraying, and can be hung with commonly used wires, tools, consumables, etc.

6. Tool cabinet

Structural dimensions:L450mm*W635mm*H665mm， Made of high-quality Q235 cold-rolled steel plates welded together, the surface is electrostatically sprayed, and universal wheels with brakes are installed under the tool cabinet, allowing the tool cabinet to be fixed and moved freely.

Composition and Configuration:The tool cabinet is designed with four drawers, which can hold sets of accessories, toolkits, development boards, simulators, measuring instruments, etc. Open the drawer and all kinds of electronic components are neatly classified and clear at a glance.

7Electronic Technology Project Training Resource Package

（1）Online Open CoursesPlatform and Resources

Teaching interoperability course platform:Interactive teaching courses based onBoth PC and mobile devices (supporting Android and Apple) are capable of organizing teaching, implementing pre class, in class, and post class teaching, collecting data throughout the entire teaching process, and conducting diversified teaching evaluations.

teaching organization

Teaching organization mainly completes the organization of course content and the setting of teaching pathsThe course content is organized usingOrganize course content, teaching resources, activity pages, practical training tasks, and topics around the skills, knowledge, and competencies involved in each work task, including projects, modules, and task modesCan clearly present the course standards and corresponding course content, resources, project tasks, practical training tasks, and topics of this course.

Select typical work tasks to set teaching paths，It can clearly present the teaching process of each task, record data for each node in the teaching process, dynamically collect data from different teaching paths, so that the teaching teacher can not only view their own teaching path but also understand the degree of difference between their teaching method and that of other teachers in the same group, providing data support for teaching and research activities.

Teaching implementation

The interactive teaching course will conduct classroom teaching based on the teaching path, course content, and in conjunction with the teaching resource library and question bank. Including: pushing teaching tasks to teachers and students, checking learning progress; Classroom attendance, in class teaching, practical training supervision, and homework review for teachers; Pre class preparation, course learning, homework, and skill refinement for students.

data collection

To provide better data support for teaching evaluation and diagnosis, this course should be able to collect students' learning situation data and teachers' teaching data throughout the entire course, and use reasonable charts to present summary data based on the dimensions required by teachers and students.

teaching evaluation

The course will mainly form an evaluation system from two aspects: student academic evaluation and teacher teaching quality evaluation. passThe evaluation data collection method of "system collection+subjective scoring" collects the entire process data of "teaching and learning", and evaluates it comprehensively from two aspects: process evaluation and outcome evaluation.

Online exercise library platform

The course question bank should achieve benchmarking between question resources and course standards, based onPC and mobile devices (supporting Android and Apple), meeting the needs of pre class preview, in class interaction, homework and testing after class, helping students engage in self-directed learning, and assisting teachers in accurately diagnosing teaching. At the same time, the question bank should be interconnected with interactive teaching courses.

Online examination and assessment platform

The online examination system should achieve paperless examination learning function, which can combine educational assessment theory, methods, and modern information technology means to provide candidates with an online assessment systemFlexible, convenient, scientific, and fair evaluation services to optimizequestion bankBased on resources, paperless exam papers are generated through random grouping for exams, and exam scores are generated in a timely manner. This is a diversified and new exam management model that integrates exam registration, paper generation, online exams, marking, score generation, transcript export, printing, and more.

（2) Electronic Product Process Practice Teaching System

softwarecontent

1、 The production process of electronic products includes six main production processes: preparing components, installing components, welding, repairing and debugging, whole machine assembly and testing, packaging and warehousing.

2、 Welding and disassembly technology:Hand welding tools (internal heating soldering iron, longevity soldering iron, constant temperature soldering iron, soldering wire), manual welding technology (five step manual soldering operation method), welding quality (qualified solder joints, defective solder joints)——Virtual soldering, partial soldering, bridging, overlay welding, missing soldering, pinholes, pulling tips, trailing, cold soldering, desoldering), desoldering techniques (suction wire, manual suction gun, hot air workbench), immersion soldering and wave soldering (immersion soldering, wave soldering).

IIISMT (Surface Mount Technology): SMT components, SMT integrated circuits, SMT circuit boards, etc.

4SMT installation and welding process: solder paste printing, surface mounting, reflow soldering, cleaning, testing, and repair, etc.

5Reproduction of SMT product production process.

（3) Printed board process simulation teaching software

The production process of printed circuit boards mainly adopts the form of video representation, reproducing the real production environment and bringing the original scene of on-site technology into the classroom, allowing students to fully understand the production methods and process flow of printed circuit boards, and thus master engineering operation skills. For difficult to observe content and actionable skill points, multimedia interactive animation technology is used to achieve better learning and recognition effects.

（4) Course Resources for Electronic Product Design and Production