Multimedia classroom sound amplification equipment

Multimedia classroom sound amplification equipment

The utility model discloses multimedia classroom sound amplification equipment which comprises a sound amplifier body, connecting rings are fixedly connected to two sides of the sound amplifier body, a flange seat is fixedly connected to the front surface of the sound amplifier body, an external thr...

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1. Verfasser: KUAI LU
Format: Patent
Sprache:chi ; eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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creator KUAI LU
description The utility model discloses multimedia classroom sound amplification equipment which comprises a sound amplifier body, connecting rings are fixedly connected to two sides of the sound amplifier body, a flange seat is fixedly connected to the front surface of the sound amplifier body, an external thread groove is formed in the surface of the flange seat, a cavity is formed in the flange seat, and a filter screen is placed in an inner cavity of the cavity. A positioning ring is placed at the top end of the filter screen, a threaded sleeve is in threaded connection with the surface of an external threaded groove, a cooling fan, cooling fins, a semiconductor chilling plate and a heat conducting plate are sequentially connected to an inner cavity of the heat dissipation frame from top to bottom, a temperature control switch is fixedly installed on one side of the bottom of the heat conducting plate, and a protective screen is clamped to the top of the heat dissipation frame. According to the multimedia classroom s
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A positioning ring is placed at the top end of the filter screen, a threaded sleeve is in threaded connection with the surface of an external threaded groove, a cooling fan, cooling fins, a semiconductor chilling plate and a heat conducting plate are sequentially connected to an inner cavity of the heat dissipation frame from top to bottom, a temperature control switch is fixedly installed on one side of the bottom of the heat conducting plate, and a protective screen is clamped to the top of the heat dissipation frame. 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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title Multimedia classroom sound amplification equipment
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