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Characteristic demonstration instrument for various thyristors

A technology of thyristors and demonstration instruments, which is applied in the direction of instruments, educational tools, teaching models, etc., can solve the problems of lack of thyristor instruments, etc., and achieve the effects of intuitive demonstration, convenient portability, and intuitive image

Inactive Publication Date: 2014-11-19
YANCHENG INST OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, there is no instrument that can demonstrate the characteristics of various thyristors in the teaching of electronic technology courses. This demonstration instrument can directly demonstrate the characteristics of various thyristors to students

Method used

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  • Characteristic demonstration instrument for various thyristors
  • Characteristic demonstration instrument for various thyristors
  • Characteristic demonstration instrument for various thyristors

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] DC power E 1 by K 1 , R 1 , R 2 、K 2 , H, A are connected to pin 1 and pin 3 of module I, and pin 1 of module I passes through K 5 Connect the anode of the thyristor, and the 3rd pin of the module I is connected to the cathode of the thyristor, so E 1 Just add the voltage between the anode and cathode of the thyristor, adjust R 2 The size of the thyristor can change the voltage on the thyristor, K 2 Used to change the polarity of the applied voltage, the type of thyristor switch K 5 Used to connect the anodes of various thyristors respectively; DC power supply E 2 by K 4 , R 4 , R 3 、K 3 Connect to pin 2 and pin 3 of module I, pin 2 of module I passes through K 6 connected to the trigger pole of the thyristor, so that E 2 Provide the trigger voltage to the trigger pole of the thyristor, adjust R 3 The size of the thyristor can change the size of the trigger voltage, K 3 Used to change the polarity of the trigger voltage; use a digital voltmeter V 2 Demon...

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Abstract

The invention relates to a characteristic demonstration instrument for various thyristors, and belongs to the field of electric experimental instruments. The characteristic demonstration instrument adopts the structure that a circuit is composed of a DC power source E1, a power switch K1, a resistor R1, a potentiometer R2, a power polarity-reversing switch K2, a bulb H, a digital voltmeter V1, a digital ammeter A, a module I (wherein a thyristor type switcher K5, a thyristor trigger electrode switcher K6, a common thyristor VT1, a bidirectional thyristor VT2, a turn-off thyristor VT3 and a light control thyristor VT4 are arranged in the module), a digital voltmeter V2, a power polarity-reversing switch K3, a potentiometer R3, a resistors R4, a power switch K4, a DC power source E2 and a demonstration board, wherein all thyristors, the thyristor type switcher K5 and the thyristor trigger electrode switcher K6 are arranged inside the module, and the two thyristor switchers K5 and K6 are used for switching. The characteristic demonstration instrument for the various thyristors has a positive result that students can visually know the characteristics demonstration of the various thyristors.

Description

technical field [0001] The invention relates to a performance demonstration instrument of various thyristors, which belongs to the field of electronic experimental instruments. Background technique [0002] At present, there is no instrument that can demonstrate the characteristics of various thyristors in the teaching of electronic technology courses. This demonstration instrument can directly demonstrate the characteristics of various thyristors to students. Contents of the invention [0003] The purpose of the present invention is to provide an instrument capable of demonstrating the characteristics of various thyristors, which can conveniently and intuitively demonstrate the characteristics of various thyristors. [0004] The purpose of the present invention is achieved in this way: all kinds of thyristor characteristic demonstrators are powered by DC power supply E 1 , power switch K 1 , resistance R 1 , Potentiometer R 2 , Power polarity changeover switch K 2 , ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18
Inventor 杨国平
Owner YANCHENG INST OF IND TECH
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