TV repair experiment desk

TV rep--r experiment desk,Performance Test Testing Desk of Corporation

1. Product overview:

"Home Approval Audio and Video Rep--r Skills Tr--ning Device" is based on the "Household Electronic Product M--ntenance Works" vocational skills tr--ning and appr--sal equipment technology specifications based on the Ministry of Labor and Social Security of the People's Republic of China. Products that require research and development are suitable for tr--ning and teaching in high vocational colleges and vocational schools to apply electronic technology, electronic appliances application and m--ntenance and other professional TV principles and m--ntenance, household electronic product principles and m--ntenance.

2. Technical performance

1. Input power supply: single -phase three -line system AC220V ± 10% 50Hz 50Hz

2. Working environment: temperature -10 ℃ ～+40 ℃ relative humidity <85%(25 ℃)

3. The capacity of the whole machine: <300VA

4. Safety protection: action current ≤30mA, action time ≤0.1S

5. Dimensions: 160cm × 80cm × 135.5cm

Third, system composition

1. Control and AC power part

(1) Provide single -phase AC power supply and direct short -circuit automatic protection device. Control the working power of the tr--ning desk.

(2) Provide 1 ~ 220V socket to provide work power for external instruments.

2. DC power supply part

(1) Switching power supply:+5V,+24V, 12V.

(2) Color TV signal generator: Using large -scale programming logic controllers and high -definition color signal sources with pixel -grade algorithm. It has a clear image and accurate timing (high graphics, sampling rate, accurate color, and graphic selection of 16 channel TV signals: divided into 16 forms such as round, dot, grid, black and white grid, color, monochrome, etc., you can directly pass the button directly. Selected (output signal: video, voice (medium frequency 6.5m), RF output interface) signal system: PAL-D/K.

  (3) Displaying 16 scatters, color strips, white light grids, red light grids, green racks, blue light grids, black light grids, 12 step st--rs, cross center and display amplitude, fourth -order chessboard, color chessboard.

TV rep--r experiment desk,Performance Test Testing Desk of Corporation

Purpose:

1. Understand the changes and measurement methods of the performance parameters of the centrifugal fan.

2. Familiar with the structure and basic principles of fan performance measurement device.

3. Measure the --r volume, wind pressure, axis power, drawing --r volume, wind pressure, power, and efficiency curve.

M--n configuration:

The flower, the throttle valve, the stream grid, the test duct, the tube pipe flow, and the oblique tube micro pressure meter test group, the fan and the motor, the torque torque gravity sensor device, the speed measurement device, ** signal input the inspection instrument Display gravity, temperature, speed, st--nless steel bracket and power distribution box.

Technical Parameters:

1. Input power supply: three -phase AC380V ± 10% 50Hz, power 1.5kW.

2. Corresponding fan parameters: --r volume 2000 m3/h, wind pressure 1000 PA, power 1.5kW.

3. Blittering flow meter with oblique tube micro pressure meter metering speed: the range -10-700Pa.

4. Merimpage torque gravity sensor device, wheel spoke weight sensor: 0-20kg.

5. The experimental --r duct is made of 304 st--nless steel, which is divided into --rport sections, experimental sections, test sections, etc., and the flanges nut are connected to facilitate disassembly.

6. The temperature is measured by the high -precision temperature sensor. The ** signal input the inspection instrument with the high -precision digital display table. The display of the experiments such as the temperature, resistance, flow velocity, power, speed, and torque is all measured, and the manual wind door adjusts the --r volume.

7. Dimensions: 3500 × 500 × 1200mm. The shape is st--nless steel moveable bracket with a double brake wheel.