Teaching experiment box

Abstract

The invention, which belongs to the teaching equipment technology field, discloses a teaching experiment box. The teaching experiment box comprises: a box body; an insulating operation platform, which is arranged at the central section of the box body; a power switch, which is installed at the lower portion of the box body; power jacks; an output voltage adjusting knob; an ammeter, which is installed at the upper portion of the box body; a voltmeter, which is also installed at the upper portion of the box body; a groove; and measuring bars. An ammeter switch, an ammeter gear selector, an ammeter display and an ammeter signal socket are installed on the ammeter. A voltmeter switch, a voltmeter gear selector, a voltmeter display and a voltmeter signal socket are installed on the voltmeter. The groove is opened on the box body and the measuring bars are placed in the groove; plugs of the measuring bars can be used in conjunction with the ammeter signal socket and the voltmeter signal socket. According to the invention, beneficial effects of the teaching experiment box are as follows: an output voltage can be adjusted; the box can be used flexibly and conveniently; an integrated structure is employed and a power supply, the voltmeter, and the ammeter are integrated on the plane, so that the circuit is simplified; besides, the box has advantages of convenient operation, clear circuit, security and reliability for using and reasonable structure and the like.

Description

technical field [0001] The invention relates to a teaching experiment instrument, in particular to a teaching experiment box, which belongs to the technical field of teaching equipment. Background technique [0002] The existing circuit teaching and experimental equipment are still designed according to the traditional teaching mode of science and engineering. Separate ammeters and voltmeters are used, which leads to messy test bench lines when used, and is easy to break the power supply, voltmeter, and ammeter. The overall structure is complex and the cost is too high. High, the connection interface is cumbersome. Especially in the operation of students in groups, due to the large number of electronic appliances required, it is inconvenient to distribute, use, and explain, and it is easy to cause damage or loss of the appliances. [0003] At the same time, in the existing circuit teaching and experimental equipment, the voltage that can be provided is a fixed voltage. If t...

AI Technical Summary

Problems solved by technology

[0002] The existing circuit teaching and experimental equipment are still designed according to the traditional teaching mode of science and engineering. Separate ammeters and voltmeters are used, which leads to messy test bench lines when used, and is easy to break the power supply, voltmeter, and ammeter. The overall structure is complex and the cost is too high. High, the connection interface is cumbersome

Especially in the operation of students in groups, due to the large number of electronic appliances required, it is inconvenient to distribute, use, and explain, and it is easy to cause damage or loss of the appliances

[0003] At the same time, in the existing circuit teaching and experimental equipment, the voltage that can be provided is a fixed voltage. If the output voltage needs to be adjusted, an additional device is required, which is very inconvenient to use.

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