Multifunctional loudspeaker convenient for teacher to use in class

Abstract

The invention discloses a multifunctional loudspeaker convenient for a teacher to use in class. The multifunctional loudspeaker comprises a housing, a sound amplifying loudspeaker and a touch screen. A central processing module, a WiFi receiver, a signal receiver and a storage battery are arranged in the housing. The signal receiver and the WIFi receiver are connected with the central processing module. The upper end of the front side of the housing is provided with the sound amplifying loudspeaker, a signal indicating lamp and a power indicating lamp. The middle of the front side of the housing is provided with the touch screen. One side of the housing is provided with a volume adjusting turn button, a USB jack and a switch. Two sides of the back of the housing are provided with two groove blocks respectively. The groove upper end of each groove block is connected with a fixed plate through a hinge, and the fixed plate is provided with a first magnet sheet. The groove lower end of each groove block is provided with a second magnet sheet. A bent rod sleeves two grooves of the groove blocks, one end of the bent rod is connected with a signal emitter, and the signal emitter is connected with a microphone. The loudspeaker can be communicated with a wireless network through the WIFI receiver to enable learning contents to be searched, and then the learning contents are played through voice.

Description

technical field [0001] The invention relates to a loudspeaker, in particular to a multifunctional loudspeaker which is convenient for teachers to use in class. Background technique [0002] As the name suggests, the loudspeaker means to amplify the sound and spread it farther. Compared with the speaker, the sound penetration of the loudspeaker is stronger. According to the way of use: it can be divided into wired loudspeaker and wireless loudspeaker; megaphone. According to the purpose of use: it can be divided into teaching loudspeakers, tour guide loudspeakers, and entertainment loudspeakers. Loudspeakers can be divided into various types according to their size, usage and purpose, each with its own advantages. Due to the limitation of shape, size and speaker, the general power of portable loudspeaker is only 3--8W. The wireless loudspeaker and the wired loudspeaker are different in size and purpose, and the smaller one is suitable for teachers and tour guides. It can b...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defects of single structure and inconvenient portability of existing loudspeakers, and provide a multifunctional loudspeaker that is convenient for teachers to use in class, thereby solving the above problems

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