ZOPKGG-5 electrical installation and maintenance assessment training device

The electrical installation and m*ntenance tr*ning and assessment device is a general tr*ning platform developed based on the tr*ning and qualification requirements for m*ntenance electricians and electrical installers in factory electrical installation and indoor electrical installation . It is suitable for use as a public tr*ning platform for m*ntenance electricians , electrical installers, plumbers and other related majors with electrical tr*ning requirements in various vocational colleges and technical schools .

The device is made of steel mesh plates and aluminum alloy frames, and is equipped with self-locking casters for easy movement and use. The design height of the device is such that it can be easily operated by a person standing on a step ladder, which is both safe and allows users to feel the construction site environment. The transverse and cluster widths are appropriate and can simulate the steering layout of on-site lines. The mesh plate can be easily removed. When constructing concealed projects, the aluminum alloy frame is carefully designed to imitate the enlarged width of the keel used for building partitions. It is equipped with pipe holes, and cable ties are used to fix the wire pipes. When passing through the mesh plate, you can use wall spacing to lead out the wires. Exposed bottom box. The matching PVC pipe bender can easily bend PVC pipes to 90 degrees.

Can be installed by electrician. Such as bridge installation, PVC pipe installation, chandeliers, incandescent lamp holders, fluorescent lamps, switches, sockets, control boxes, distribution boxes, etc., including AC asynchronous motors, DC motors, stepper motors , servo motors, temperature controllers, galvanic couples , plc , inverter touch screen and other control and controlled objects. Each operation group is equipped with a movable tool cart and component cabinet to facilitate the storage and installation of components. It fundamentally solves the problems of inconvenient use and narrow scope of practical tr*ning for school installation tr*ning on ordinary walls.

The equipment should be flexible and convenient to assemble. It can be composed according to the actual teaching conditions of the school, in groups of 2, 3, 4..., single-sided, double-sided, etc. The length combination is based on two 0.8-meter basic combination units, supplemented by 0.2-meter and 0.4-meter combination units, forming different length combinations to meet the needs of different teaching venues.

2. Technical parameters

1. Working power supply: three-phase five-wire power supply AC 380 V/220 V ±7.5% 50 Hz;

2. Working environment: use insulated floors (or use insulated carpets);

3. M*n mesh plate size of the tr*ning device: length (mm) × width (mm) = 798 × 768

4. Overall dimensions of the tr*ning device: see the configuration list

5. Tr*ning device material: aluminum alloy;

6. Maximum power consumption ≤1.5KW

7. Safety protection measures: It has grounding protection, overcurrent, overload and leakage protection functions, and complies with relevant national standards.

3. Equipment composition

The electrical installation and m*ntenance tr*ning device consists of an installation chassis, a distribution box, a lighting distribution box, an electrical control box, a number of lighting fixtures and sockets, equipment for lighting and power line wiring, three-phase AC motors and heating devices, and stepper motors. It is composed of servo motor device, sensor device and grounding device (see device picture). The specific configuration of each part of the device is as follows:

1. Install the chassis

(1) Materials and features: The installation chassis of the electrical installation and m*ntenance tr*ning and assessment device (schematic diagram 1) is composed of a steel mesh plate and an aluminum alloy frame. It is equipped with self-locking casters for easy movement and use. . The surface of the device is spray-coated with solid colors. The device is equipped with a dedicated power supply station. The design height of the device is such that it can be easily operated by a person standing on a three-step herringbone ladder. It is both safe and allows users to feel the construction site environment. The transverse and cluster widths are appropriate and can simulate the steering layout of on-site lines. The mesh plate can be easily removed. In order to facilitate the construction of concealed projects, the aluminum alloy frame is carefully designed to imitate the enlarged width of the keel used for building partitions. It is equipped with pipe holes, and cable ties are used to fix the wire pipes. When passing through the mesh plate, you can use wall spacing to lead out the wires. Exposed bottom box. The matching PVC pipe bender can easily bend PVC pipes to 90 degrees.

(2) Overall dimensions: 2-person group practical tr*ning and assessment equipment (single side): length 2006mm × width 1003mm × height 2410mm

2. Power distribution box

The power distribution box (codename: AP) is used as the power distribution control of the m*n incoming line of a cert*n unit, including metering, isolation, normal breaking, short circuit, overload, leakage protection, power indication and other functions.

Internal wiring and power distribution can be implemented on request.

3. Lighting distribution box

The lighting distribution box (code: AL) is used as the socket and lighting distribution control of a cert*n unit, including normal breaking, short circuit, overload, leakage protection and other functions.

4. Electrical control box

The electrical distribution box (codename: AC) is a control unit for a cert*n device. In addition to normal breaking, short circuit, overload, isolation and other functions, it also includes a touch screen, PLC, expansion module, 485 communication module, analog module, contact converters, relays, frequency converters, master control components, thermostats, etc.

5. Three-phase AC motor and temperature experiment module

The three-phase AC asynchronous motor unit consists of a single-speed motor (Y/△ connection), a single-speed speed relay motor (Y/△ connection), a two-speed motor, a DC separately excited motor, etc. The thermocouple heater is a dedicated temperature experiment module that requires a 18~24V/2A DC power supply (temperature range is from room temperature to 100°C) and has 2 temperature measurement sockets.

6. Stepper motor and servo motor device

The stepper motor and servo motor bracket is composed of a bracket, a stepper motor, a stepper motor driver, a servo motor, a servo motor driver, an auxiliary power supply, etc.

7. Sensor bracket

The sensor bracket is composed of capacitive proximity switch, inductive proximity switch, photoelectric proximity switch and travel switch. The bracket below the sensor is convenient for storing the temperature experiment module and the detected materials. Connect the power supply of the sensor and travel switch,

8. Machine tool assessment board:

CA6140 lathe circuit intelligent assessment board

M7120 grinder circuit intelligent assessment board

X62W universal milling machine circuit intelligent assessment board

T68 boring machine circuit intelligent assessment board

9. M*ntenance of electricians, electronic motors and vocational qualification tr*ning assessment simulation software

This software is in apk format and can be used on PC or mobile. This software can set faults manually or automatically. This software can manually set fault points through the green box in the circuit diagram (you can set up to 39 fault points), you can also automatically set one random fault point, two random fault points, three random fault points, four random fault points, and five random fault points through the system. It has functions such as toolbox, component library, magnifying glass, circuit diagram, etc. You can choose a multimeter for testing through the toolbox, select appropriate components through the component library, and clearly understand each component and circuit through the magnifying glass. This software allows students to understand the working principle and circuit structure of the motor star-delta start control circuit through the setting of faults in the motor star-delta start control circuit and various investigations.

10. Virtual spectrum analyzer, logic analyzer, oscilloscope, and three-meter simulation software:

This software is in apk format and can be used on PC or mobile terminals. The functions of this software are: resistance measurement, AC voltage measurement (measuring transformer, if the multimeter burns out when measuring the transformer, black smoke will emit prompts and can reset the multimeter), determine the polarity of the transistor, measure the DC voltage (the light turns on when the ammeter is turned on), measure the DC current, and determine the quality of the capacitor. This software can drag the red and black pen tips at will. When the two pen tips are dragged and positioned on the object to be measured, a red circle will be displayed. If the positioning is not accurate, no red circle will be displayed, and when incorrect operations are performed (such as the wrong range selected, If the measured data is wrong, etc.), the meter pointer will be unresponsive, prompting errors and re-measurement, etc. This multimeter can select AC voltage range, DC voltage range, resistance range, current range, resistance adjustment to 0, and can enlarge the display data. Clearly view the measured data size. Students can learn the correct use of multimeters through this software.

11. Microcontroller , PLC programmable design and control virtual simulation software:

This software is developed based on unity3d and has built-in experimental steps, experimental instructions, circuit diagrams, component lists, connection lines, power on, circuit diagrams, scene reset, return and other buttons. After the connections and codes are correct, you can start/stop, The forward movement and reverse movement buttons operate the 3D machine tool model to move. In the connected line state, the 3D machine tool model can be enlarged/reduced and translated.

1. Relay control: Read the experiment instructions and enter the experiment. By reading the circuit diagram, select the relays, thermal relays, switches and other components in the component list and drag and drop them into the electrical cabinet. The limiters are placed in the three-dimensional On the machine tool model, you can choose to cover it, and some component names can be renamed. Then click the Connect Line button to connect terminals to terminals. After successfully connecting the machine tool circuit, choose to turn on the power and proceed. If the component or line An error box will pop up if there is a connection error, and the scene can be reset at any time.

2. PLC control: The experiment is the same as relay control, with the addition of PLC control function. After the connection is completed, enter the program writing interface through the PLC coding button, and write two programs, forward and reverse, with a total of 12 ladder diagram symbols. The writing is completed. Finally, select Submit for program verification. After the verification is successful, turn on the power for operation. Error boxes will pop up for component, line connection, and code errors, and the scene can be reset at any time.

3. Single-chip microcomputer control: The experiment is the same as relay control, with the addition of single-chip microcomputer control function. After the connection is completed, enter the programming interface through the C coding button, enter the correct C language code, and after successful submission and verification, turn on the power for operation, components, lines If there are connection or code errors, an error box will pop up, and the scene can be reset at any time.

4. Configuration list:

1. Distribution box part

2. Lighting kit

3. Electrical control box

4. Motor

5. Sensor bracket

6. Line equipment

7. Electrical tools

8. Others

D. Practical tr*ning projects

1. Installation of meter box

2. Installation of distribution box

3. Installation of fluorescent lamps

4. Installation of incandescent lamps

5. Installation of ceiling lights

6. Installation of energy-saving lamps

7. Installation of high-pressure sodium lamps

7. Handling and layout of PVC pipes

8. Threading of PVC pipes

9. Installation of switches and sockets

10. Installation of junction box

11. Line distribution design

12. Learning and tr*ning of construction specifications

13. Learning and tr*ning of safety construction requirements

14. Control one light in two places

15. Trunk wiring construction tr*ning

16. Concealed engineering construction tr*ning

17. Installation of isolation switch

18. Practical tr*ning on wiring of distribution lines

1) Practical tr*ning on the assembly and installation of metal bridges;

2) Practical tr*ning on laying plastic trunking;

3) Practical tr*ning on laying metal wire pipes;

19. Installation of electrical control box

20. Electrical control circuit installation tr*ning

1) Control circuit connection for direct starting and stopping of three-phase asynchronous motors;

2) Connection of the forward and reverse control circuits of the three-phase AC asynchronous motor with contactor interlocking;

3) Connection of button interlocking three-phase AC asynchronous motor forward and reverse control circuits;

4) Connection of forward and reverse control circuits of three-phase AC asynchronous motors with button and contactor interlocking;

5) Connection of the Y-△ (manual switching) starting control circuit of the three-phase AC asynchronous motor;

6) Connection of three-phase AC asynchronous motor Y-△ (time relay switching) starting control circuit;

7) Connection of stator winding series resistor starting control circuit; 

8) Connection of three-phase AC asynchronous motor energy consumption braking control circuit;

9) Connection of the reverse braking control circuit of the three-phase AC asynchronous motor;

10) Connection of sequence control circuits for multiple (3 or less) motors

11) Connection of the motor’s round trip control circuit;

12) Forward and reverse control of DC motor;

13) Speed ​​regulation experiment of DC motor;

14) Connection of Z3050 radial drilling machine control circuit;

15) Connection of electric hoist control circuit;

16) The three-phase AC asynchronous motor can be connected to a control circuit that can move both inching and continuously;

17) Connection of control circuits between the two places;

18) Connection of button-switched two-speed motor speed control circuit;

19) Connection of the two-speed motor speed control circuit with time relay switching;

20) Connection of the reverse brake control circuit matched with the centrifugal switch;

21. Inverter panel function parameter setting and operation tr*ning;

22. The frequency converter controls the jog, start and stop of the motor;

23. Multi-stage control of motor speed;

24. Power frequency and variable frequency switching control;

25. Motor open-loop speed regulation based on analog control;

26. Motor open-loop speed regulation based on panel operation;

27. Practical tr*ning on the protection and alarm functions of frequency converters;

28. Open-loop speed regulation of frequency converter based on PLC;

29. PLC controls the sequential start of the motor;

30. PLC controls three-phase asynchronous motor Y-△ starting circuit;

31. Touch screen parameter settings;

32. Touch screen programming;

33. Comprehensive practical tr*ning on touch screen, PLC, and frequency converter;

34. Control of two-phase hybrid stepper motor;

35. Control of AC servo motor;

36. CA6140 lathe circuit intelligent assessment tr*ning

37. M7120 grinder circuit intelligent assessment trial tr*ning

38. X62W universal milling machine intelligent assessment trial tr*ning

39. T68 boring machine intelligent assessment tr*ning