Experiment table for teaching and demonstration
A technology of experimental benches and experimental instruments, applied in the direction of laboratory stools/laboratory benches, etc., can solve the problems of not seeing circuit instruments and meter readings, affecting the quality and effect of teaching, and students being unable to see the experimental results. The effect of high position, high promotion value and social value, and improving teaching quality and effect
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[0024] 1-Test body, 21, 22, 23, 24-suction cup, 3-jack, 4-vent valve, 5-base, 6-suction lip, 7-anti-slip block, 8-button switch, 9-air vent , 10-vacuum pump, 11-motor, 12-power board, 13-socket, 14-terminal, 15-adjustment knob, 16-elastic member, 17-support rod, 18-arc plug, 19-exit sliding tube, 20-clamp, K1, K2, K3, K4-normally closed contacts, T-double output transformer, D1, D2-rectifier full bridge.
[0025] Best embodiment, as shown in Fig. 1, Fig. 2, a kind of teaching demonstration experiment bench, comprises experiment bench body 1, and experiment bench body 1 is the wooden plank of square, respectively fixedly set on the four corners of experiment bench body 1 backside There is 1 suction cup, namely suction cup 21, suction cup 22, suction cup 23, and suction cup 24. There are 24 evenly distributed jacks 3 drilled on the test bench body 1. A vacuum pump 10 is installed on the back of the test bench body 1. The test bench body 1 is provided with a power board 12 for p...
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