Millikan oil drop experiment instrument capable of generating tiny charged oil drops by utilizing compressed air flow and experiment method
A technology of compressed air flow and Millikan oil droplets, which is applied in the field of physics teaching experiments, can solve the problems such as being unsuitable for experimental use, the volume of atomized oil droplets is large, and the atomization rate of oil droplets is low, and the experimental results are stable, reliable and increased. The effect of experiment speed and improving experiment efficiency
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Embodiment 1
[0047] as attached figure 1 As shown, this embodiment discloses and proposes a Millikan oil drop tester that uses compressed air flow to generate tiny charged oil droplets, including an adjustable delay switch 1, an air compressor 2, an atomizing cup 3, a first connection Air pipe 4, second connecting air pipe 5, oil drop box 6, circuit box 7, microscopic camera 8, display screen 9.
[0048] The adjustable delay switch 1 is connected to the air compressor 2 through the power wire, and the air compressor 2 is connected to the atomizing cup 3 through the first connection air pipe 4, and the The atomizing cup 3 is connected to the oil drop box 6 through the second connecting air pipe 5, and the oil drop box 6 and the microscopic camera 8 are fixed on the circuit box 7, The microscopic camera 8 is connected with the display screen 9 through signal wires.
[0049]Described oil drop box 6 is provided with upper and lower two circular flat plates, and described circuit box 7 is pro...
Embodiment 2
[0059] This embodiment is based on a Millikan oil drop tester that uses compressed air flow to generate tiny charged oil droplets disclosed in the above embodiment, and provides a Millikan oil drop test method that uses compressed air flow to generate tiny charged oil droplets, specifically including Follow these steps:
[0060] S1. Add about 1-5ml of liquid bell oil to the atomizing cup 3;
[0061] S2. Set the delay time of the adjustable delay switch 1, generally 1 to 2 seconds;
[0062] S3. Turn on the power of the air compressor 2, and after a set delay time, the power will be automatically turned off.
[0063] S4, observe the display screen 9, you can see a large number of moving oil droplets, select an oil drop T suitable for measurement, and adjust the distance between the upper and lower circular flat plates 601 and 602 through the circuit board of the circuit box 7 The voltage difference makes the oil drop T in a balanced static state, and this voltage difference is...
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