Circuit teaching experiment device for series or parallel connection of resistors

Abstract

The invention discloses a circuit teaching experiment device for series or parallel connection of resistors. The device comprises a main device body, a plurality of mounting bases and an observation platform, wherein the main device body is provided with an operation platform; the mounting bases are arranged on the operation platform and rotatably and slidably connected with the operation platform; the observation platform is arranged at the periphery of the operation platform. The two ends of the main device body are provided with a power input interface positioned in one end of the operationplatform and a power output interface positioned in the other end of the operation platform respectively; the operation platform is provided with a plurality of sliding grooves used for sliding of the mounting bases and a plurality of wires used for conducting current; each mounting base is provided with a mounting groove for mounting a resistance wire and a pushing handle part for pushing the corresponding mounting base; the mounting grooves are provided with the resistance wires, and the two ends of each mounting groove are provided with connectors connected with the two ends of the corresponding resistance wire. The observation platform is provided with a plurality of ammeters, voltmeters, indicating lamps and power meters, and the ammeters are in series connection with the resistancewires mounted on the mounting bases respectively.

Description

technical field [0001] The invention relates to teaching equipment, in particular to a circuit teaching experiment device for resistors connected in series or in parallel. Background technique [0002] In the teaching process, in order to facilitate students to understand the teaching content more intuitively and vividly, corresponding teaching tools are generally used. In the experiment of designing circuit display, resistor series and parallel connection are the most important basic knowledge in electricity. It can be said that in electricity All circuits are inseparable from series and parallel connections. For a long time, every school (including professional electric power schools) has not had a kind of teaching experiment equipment to allow students to intuitively understand the relationship between series and parallel resistors. Students master the series circuit The knowledge of parallel and parallel circuits is derived from electrical formulas, so it is necessary to...

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Problems solved by technology

[0002] In the teaching process, in order to facilitate students to understand the teaching content more intuitively and vividly, corresponding teaching tools are generally used. In the experiment of designing circuit display, resistor series and parallel connection are the most important basic knowledge in electricity. It can be said that in electricity All circuits are inseparable from series and parallel connections. For a long time, every school (including professional electric power schools) has not had a kind of teaching experiment equipment to allow students to intuitively understand the relationship between series and parallel resistors. Students master the series circuit The knowledge of parallel and parallel circuits is derived from electrical formulas, so it is necessary to develop teaching and experimental teaching aids about resistors in series and parallel, so that students can master the relationship between resistors in series and parallel through experiments

In addition, more data needs to be obtained in circuit experiments. However, due to the lack of equipment funds in many schools, students and teachers often need to use a single measuring instrument to perform multiple measurements, which will greatly increase the teaching market and affect the quality of teaching.

Most of the teaching appliances are structures that need to be reused. However, the circuit connection teaching appliances in the traditional technology are mainly wires, resistors, indicator lights, voltmeters, ammeters, etc., which are easy to encounter problems such as wire entanglement and electric shock risk during use, and It is easy to be damaged by external influences, and many schools cannot provide more funds to replace new devices, which will affect the normal progress of teaching, so the applicability and practicability are limited

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