Household appliances laboratory equipment is an assessment device that integrates various household electrical appliances, including common failures of rice cookers, electric fans, washing machines, dishwashers, disinfection cabinets, and microwave ovens. Daily household appliances can be realized through household appliances laboratory equipment Maintenance, the entire training room is composed of training platform components, training tables, training units and supporting training objects, to achieve the assessment network, the teacher computer and the training platform form an assessment network, and faults can be set on the teacher computer , Students use the clicker to answer questions, and systematically monitor and manage the experimental data and experimental processes generated by the students during the experiment. Appliance maintenance training equipment enables students to submit experimental data, teachers monitor the experimental process, and correct experimental reports through the LAN And performance statistics and assessment are fully automated. The experimental process is fast and accurate, the experimental data is real, and the centralized management is suitable for the needs of modern education, which realizes the open teaching of the laboratory.
1) . Input power: AC 220V ± 10 ％ 50H Z
2) . Working environment: temperature-30 ° C-+ 40 ° C, relative humidity <85% (25 ° C), altitude <4000m
3). Insulation resistance: ≥ 10 M Ω;
4). Electric strength: 1500 V / 60 s
5). Device capacity: <1.5kVA
6). Safety protection: operating current ≤ 30mA, operating time ≤ 0.1S
7). System composition: The experimental device is composed of a training platform and a training pendant.
8) . Dimensions: 1600 × 700 × 1550mm 3
1). The intelligent assessment system unit for household appliances laboratory equipment is composed of a 192 × 64 dot matrix blue-backlit LCD screen, a touch-sensitive membrane switch, a high-reliability single-chip microcomputer, a buzzer, and a communication module.
2). The intelligent assessment unit module of household appliances laboratory equipment can be used for server and local IP address settings, server port settings, fault handling, and can automatically detect and identify the assessment module functions.
3). The intelligent assessment unit module of the home appliance laboratory equipment can realize the functions of the set troubleshooting, the alarm prompt when the assessment time is five minutes remaining.
4). The software for the intelligent evaluation of the household appliances laboratory equipment has the functions of system management, examination management, information management, and test questions management.
5). The intelligent evaluation host computer system of household appliances laboratory equipment can realize the countdown display of the evaluation time, the troubleshooting information query, and the online test test station communication connection. You can manually edit the test papers according to the teacher's needs and set the fault points in a targeted manner. .
6). Household appliances laboratory equipment has a network communication interface. Multiple devices can form an intelligent assessment network. One computer can be used as a teacher machine to set faults (issue papers), query, rewind papers, automatic scoring, and related settings and management. special function.
4. Equipment composition Appliance repair and training equipment adopts iron double-layer matte dense grain spray plastic structure and aluminum-plastic panel. Beautiful and generous.
1) . Control panel
Appliance maintenance training equipment provides 2 sets of 220V AC power for mains power supply for experimental equipment.
Appliance maintenance training equipment provides DC power, DC digital voltage, ammeter, timer alarm, and the assessment system has leakage protection, short circuit, and overload protection devices. The power supply uses a cold base plate and is equipped with an isolation transformer for double protection.
2). Fault box The home appliance maintenance training equipment fault setting adopts the form of intelligent assessment. The fault content can be randomly generated by the teacher machine to complete the teaching task.
3). Experimental table appliance repair training equipment uses steel and wood structure, desktop is fire-resistant, waterproof, wear-resistant high-density board; there are two large drawers (with locks) on the left and right for tools and materials, computer desk conjoined design, modeling Beautiful and generous.
4). The experimental hanging box appliance repair and training equipment adopts an open training board with a complete installation wiring diagram, test points and adjustment points.
(1). Training hanging box (1)
Rice cooker fault circuit microcomputer controlled rice cooker: The use of a microcomputer to control the rice cooker is a training model, including a microcomputer controller, temperature sensor, voltage detection, power protection, timing control, LCD display unit, equipped with heating objects, suitable for " "Principle and Maintenance of Electric Heating and Electric Apparatus" course, with practical electric rice cooker (2). Practical hanging box (2)
Electric fan failure circuit Electronic electric fan: The electronic control electric fan is used as a training model. There are three control modes: manual control, remote control, and timing, including air volume adjustment and power switch, timer, infrared remote control receiver, and various function indicator units. , Equipped with fan blades, fan heads, speed governors and other physical objects, applicable to the practical assessment of the "new electric fan principle and maintenance" course, and equipped with real electric fans (3). Practical training box (3)
Washing machine fault circuit full automatic washing machine: using wave wheel type washing machine as training model, including water level detection, solenoid valve control circuit, motor control, electric program controller, automatic control processing unit, suitable for the course of "Automatic washing machine troubleshooting technology" course Practical assessment and equipped with real washing machine (4). Practical hanging box (4)
Dishwasher fault circuit Fully automatic dishwasher: A domestic fully automatic dishwasher is used as a training model, including control processing circuit, temperature detection control circuit, water level detection control circuit, circulating water pump, power supply and indicator unit, and is equipped with Real dishwasher (5). Training hanging box (5)
Disinfection cabinet fault circuit electronic disinfection cabinet: using two types of far-infrared and ozone disinfection cabinet models, including power control, multi-vibrator, ozone generator, far-infrared quartz heating tube and other units, and equipped with a real disinfection cabinet (6) . Training Hanging Box (6)
Microwave oven fault circuits, microwave ovens: Mechanical microwave ovens are used as training models, including high voltage circuits, low voltage circuits, magnetrons, timers, interlock switches, power splitters and other units, suitable for the course "Principle and Maintenance of Household Microwave Ovens" Training assessment and equipped with a real microwave oven.
5. Experimental items
1). Disassembly analysis of electronic fan structure, component identification test, analysis and troubleshooting of common typical faults
2). Microcomputer-controlled rice cooker structural disassembly analysis, component identification testing, common typical fault analysis and troubleshooting
3). Microwave oven structure disassembly analysis, component identification testing, common typical fault analysis and troubleshooting
4). Structural disassembly analysis of electronic disinfection cabinet, component identification test, analysis and troubleshooting of common typical faults
5). Structural disassembly analysis of automatic dishwashers, component identification testing, analysis and troubleshooting of common typical faults
6). Practice of various household appliance maintenance measuring instruments
Training assessment box
Beautiful rice cooker in kind
Chigo electric fan in kind
TCL washing machine in kind
Aucma dishwasher in kind
Herbalife disinfection cabinet
Galanz microwave oven in kind