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Automatic reading circuit of single pendulum experiment

An automatic reading and circuit technology, applied in the electrical field, can solve the problems of lack of a good platform, precision error, inconvenient operation, etc., and achieve the effect of convenient operation and high experimental accuracy.

Inactive Publication Date: 2017-01-11
丹阳晨厷生物科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional simple pendulum experiment, manual timing and counting methods are used, which is inconvenient to operate, and there are large errors in accuracy, which cannot meet the needs of current measurement and teaching, and there is no good platform for doing it

Method used

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  • Automatic reading circuit of single pendulum experiment

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Experimental program
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Effect test

Embodiment Construction

[0008] Depend on figure 1 Known, the automatic reading circuit of simple pendulum experiment, it comprises the timer, the counter that are connected in series on the automatic reading circuit, the first relay contact K1 and the second relay contact K2 of parallel connection, and the first relay control circuit, The second relay controls the circuit.

[0009] When working, turn on the 12V power supply, press the button switch SB1, SB1-2 resets the counter JS2, K1 is energized through SB1-1, K1 absorbs and locks itself through JS2-1 and the closed contact of K1-1. At the same time, the closed K1-2 contact always closes the contact K2-1 to reset the counter JS1 and the timer, and the whole circuit is in a ready state. When the iron ball of the single pendulum passes through the PNP type proximity switch for the first time and the proximity switch is turned on, K3 is energized and closed, K3-1 is closed, K2 is attracted and closed by K2-2, and K2-1 is normally closed. When the ...

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Abstract

The invention provides an automatic reading circuit of a single pendulum experiment. The automatic reading circuit comprises a timer and a counter which are connected in series in the automatic reading circuit, a first relay contact K1 and a second relay contact K2 which are connected in parallel, a first relay control circuit, and a second relay control circuit. The automatic reading circuit is characterized in that a 12V power supply is connected, a button switch SB1 is pressed, a SB1-2 reset the counter JS2, the K1 is powered through a SB1-1, and the K1 is switched on and is locked through a JS2-1 and the closed K1-1. When the iron ball of a single pendulum leaves a proximity switch, the proximity switch is switched off, a K3 loses power, a K3-1 and a K3-2 are disconnected, and since the K2 is locked and is always closed, the counter stops counting. The automatic reading circuit can automatically read experimental data and has the advantages of a convenient operation and high precision.

Description

technical field [0001] The invention relates to an automatic reading circuit for a simple pendulum experiment, belonging to the field of electricity. Background technique [0002] Simple pendulum, a simple experiment, the simple pendulum experiment is high school physics A very important experiment of the course, this experiment uses a simple pendulum to measure the local gravitational acceleration, in order to consolidate and deepen the understanding of the period formula of the simple pendulum. The traditional simple pendulum experiment adopts manual timing and counting methods, which is inconvenient to operate, and there are large errors in accuracy, which cannot meet the needs of current measurement and teaching, and there is no good platform for doing it. Contents of the invention [0003] In order to change the problems existing in the traditional simple pendulum experiment and improve the accuracy of the experiment, the purpose of the present invention is to provid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/08
Inventor 李永君刘倩
Owner 丹阳晨厷生物科技有限公司
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