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Sound sensor characteristic and application demonstration instrument

A sound sensor and demonstrator technology, which is applied in the direction of instruments, educational tools, teaching models, etc., can solve the problems that students cannot deeply understand the characteristics of sound sensors, and there is no sound sensor, and achieve the effect of convenient operation and demonstration and simple structure

Inactive Publication Date: 2016-03-23
YANCHENG INST OF IND TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in physics teaching, there is no sound sensor characteristics and application demonstration instrument, and students cannot deeply understand the characteristics of sound sensors. This demonstration instrument can not only demonstrate the characteristics of sound sensors, but also demonstrate the application of sound sensors in daily life

Method used

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  • Sound sensor characteristic and application demonstration instrument
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Experimental program
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Embodiment Construction

[0010] exist figure 1 , the positive pole of the DC power supply (E) is connected to the switch (S 1 ) at one end, the switch (S 1 ) to the other end of the resistance (R 1 ), one end of the resistor (R 2 ), one end of the resistor (R 5 ), one end of the resistor (R 6 ), one end of the triode (T 3 ) of the emitter, the resistor (R 1 ) to the other end of the sound sensor (B), one end of the voltmeter (V), one end of the oscilloscope (Q), and the switch (S 2 ) at one end, the switch (S 2 ) The other end of the capacitor (C 1 ) at one end of the capacitor (C 1 ) to the other end of the resistance (R 3 ), one end of the triode (T I ) base, transistor (T I ) The emitter is connected to the negative pole of the DC power supply (E), the other end of the sound sensor (B), the other end of the voltmeter (V), the other end of the oscilloscope (Q), and the triode (T I ) collector is connected to the triode (T 2 ) base, resistor (R 2 ) the other end of the triode (T 2 ) c...

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Abstract

The invention relates to a sound sensor characteristic and application demonstration instrument, and belongs to the field of a physics teaching instrument. The demonstration instrument is characterized in that a circuit is composed of a DC power supply E, a switch S1, a resistor R1, a sound sensor B, a voltmeter V, an oscilloscope Q, a switch S2, a capacitor C1, a resistor R2, a resistor R3, a triode T1, a triode T2, a capacitor C2, a capacitor C3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a triode T3 and a light emitting diode D; the characteristics of the sound sensor are demonstrated under the state that the switch S1 is opened and the switch S2 is closed; and both the characteristics of the sound sensor of the application of the sound sensor in life are demonstrated under the state that both the switches S1 and S2 are opened. The demonstration instrument disclosed by the invention has the advantages and beneficial effects that the demonstration instrument is simple in structure and convenient to operate and demonstrate.

Description

technical field [0001] The invention relates to a sound sensor characteristic and application demonstration instrument, which belongs to the field of physics teaching instruments. Background technique [0002] At present, in physics teaching, there is no demonstration instrument about the characteristics and application of sound sensors, and students cannot deeply understand the characteristics of sound sensors. This demonstration instrument can not only demonstrate the characteristics of sound sensors, but also demonstrate the application of sound sensors in daily life. Contents of the invention [0003] The purpose of the present invention is to provide a sound sensor characteristic and application demonstration instrument, which can demonstrate the characteristics of the sound sensor and the application of the sound sensor in daily life. [0004] The purpose of the present invention is achieved like this: the circuit consists of DC power supply E, switch S 1 , resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/14
CPCG09B23/14
Inventor 郭爱国
Owner YANCHENG INST OF IND TECH