ZOPDJB-02 motor maintenance and testing experimental device

This device is a skills tr*ning platform for dismantling, rewinding, assembling, rep*ring single-phase capacitor running asynchronous motors and three-phase squirrel cage asynchronous motors, and motor factory testing (including partial type testing). Provide skill tr*ning in winding, assembly and m*ntenance. "Motor Manufacturing Technology", "Motor M*ntenance", "Motor Testing" and other courses suitable for mechatronics , automation and related electrical majors, combined with the "National Occupational Standards - M*ntenance Electrician " and "Occupational Skills Appr*sal" by the Machinery Industry Press and the Ministry of Labor and Social Security of China Tr*ning materials— M*ntenance Electrician " and other related contents can also be used as equipment for grade assessment and identification of junior, intermediate, and senior m*ntenance electricians.

2. Technical parameters

1. Input voltage: three-phase four-wire system ~380V±10% 50Hz

2. Working environment: The ambient temperature range is -5~+40℃ (relative temperature <85%25℃)

3. Device capacity: <1.5KVA

4. Overall dimensions: 1600mm×750mm×1500mm,

5. Appearance: reasonable design, beautiful and elegant

6. Material: Made of steel, resistant to wear and rust.

3. Equipment equipment

1. The power control panel is made of iron with a double-layer matt dense pattern spray-p*nted structure.

2. Tr*ning table The tr*ning table is made of aluminum wood structure. In order to facilitate the management of winding and tr*ning rooms, the hand-operated electronic counting wire winding machine is fixed on the desktop.

3. M*n control function board

1) Three-phase four-wire power input, through the leakage protector and m*n switch, is operated by the contactor through the start and stop buttons, and is equipped with an emergency stop control button.

2) There is a digital AC voltmeter on the control panel, and the phase-to-phase grid voltage can be observed by switching the band switch.

3) Three-phase adjustable AC power supply, the voltage is regulated through a 1.5KVA three-phase auto-coupling voltage regulator, which can output three-phase 0~450V and single-phase 0~250V adjustable voltage.

4) DC power supply part: One set of 220V/0.5A DC power supply with short circuit protection function. A set of 0~250V adjustable DC high voltage power supply with overvoltage protection and short circuit protection functions.

5) Provide a DC digital voltmeter: measuring range 0~300V, divided into four levels: 2V, 20V, 300V, direct key switch, three and a half display, input impedance is 10MΩ, accuracy is 0.5 level, with over-range alarm, Indication and other functions can directly measure the DC armature power supply voltage and external measurement voltage.

4. Instrument function panel

1) Provide a true RMS AC digital voltmeter with a measuring range of 0 to 500V, an accuracy of 0.5, and a three-and-a-half-digit display.

2) Provide three true effective value AC digital ammeters with a measuring range of 0~5A, an accuracy of 0.5, and a three-and-a-half-digit display.

3) A DC digital milliamp meter: measuring range 0~2000mA, three and a half digit display, accuracy level 0.5.

4) An intelligent power and power factor meter: composed of a set of microcomputer, high-speed, high-precision A/D conversion chip and full digital display circuit. By keying,

The digital display window realizes the intelligent control mode of human-machine dialogue. In order to improve the measurement range and test accuracy, the sampling signals of the measured voltage and current instantaneous values ​​are converted by A/D, and advanced DSP technology is used to calculate the active power and reactive power. The power meter accuracy is 0.5 level, and the voltage and current ranges are respectively It is 450V, 5A, and can measure the active power, reactive power, power factor and load properties of the load; it can also store and record 15 groups of power and power factor test result data, and query them group by group.

5) Single-phase capacitor run motor capacitor: 4uF/450V CBB capacitor.

6) One double pole double throw switch.

7) Adjustable resistance: two sets of 0~900Ω/0.5A adjustable resistance.

5. Instrument configuration

1) A 500V megohmmeter, used to test the insulation resistance of motor windings

2) 890B+ digital multimeter, three and a half digits display

3) One clamp ammeter

6. Production equipment, motors and other equipment

1) A set of disassembly and assembly tools: 6-inch three-claw puller, adjustable wrench, hammer, marking plate, crimping plate, scissors, etc.

2) A set of winding devices: motor winding mold, winding shaft, winding frame, wire crimping frame, etc.

3) A hand-operated electronic counting winding machine: digital display range 0~9999 turns, accurate and convenient counting

4) Unvarnished single-phase capacitor-operated asynchronous motor: rated power 120W, voltage 220V, current 1A, speed 1420r/min.

5) Unp*nted three-phase squirrel cage asynchronous motor: rated power 180W, voltage 380VY (connection method), speed 1400r/min.

6) Unp*nted separately excited DC motor: rated power 100W, voltage 220V, speed 2000r/min.

7. The tr*ning wires and accessories adopt a high-reliability sheathed structure for the pistol plug connection line (there is no possibility of electric shock). The inside is made of oxygen-free copper and spun into h*r-thin multi-strand wires to achieve the purpose of being super soft. Baodingqing PVC insulation layer has the advantages of softness, high voltage resistance, high strength, anti-hardening, and good toughness. The plug is made of solid copper parts and beryllium light copper springs, which provide excellent contact.

8. 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.

9. 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.

Practical tr*ning project

(1) Single-phase motor rep*r and testing

1. Data recording and calculation of single-phase capacitor-operated motor before disassembly

2. Dismantling of single-phase asynchronous motor

3． Single phase motor winding winding

5. Insulation resistance test

6. DC resistance test

7. Single phase asynchronous motor no load

8. Single phase asynchronous motor short circuit

(2) Rep*r and testing of 180W three-phase squirrel cage asynchronous motor

1. Data recording and calculation of three-phase squirrel cage asynchronous motor before disassembly

2. Dismantling of three-phase squirrel cage asynchronous motor

3． Three-phase squirrel cage asynchronous motor winding winding

4. Three-phase squirrel cage asynchronous motor assembly

5. Insulation resistance test

6. DC resistance test

7. Three-phase squirrel cage asynchronous motor winding head and end identification

8. Three-phase squirrel cage asynchronous motor no load

9. Three-phase squirrel cage asynchronous motor short circuit

(3) Rep*r and testing of separately excited DC motors

1. Data recording and calculation and determination of rewinding data before disassembly of DC separately excited motors

2. DC separately excited motor winding removal

3． DC separately excited motor coil winding

4. DC separately excited motor inlay and assembly

5. Measurement of insulation resistance of DC separately excited motor

6. Determination of brush centerline position of DC separately excited motor

7. Measurement of DC resistance of separately excited DC motor in cold state

8. No-load test of DC separately excited motor