Process method for loudspeaker with compound magnetic circuit

Abstract

The invention relates to a process method for a loudspeaker with a compound magnetic circuit, which comprises the following steps of: fixing a plurality of button-shaped magnetic steels between a lower clamping plate and an upper clamping plate in a ring shape to form an outer magnetic component, charging magnetism for the outer magnetic component in a magnetizing apparatus so as to lead the upper clamping plate to present an S-pole and the lower clamping plate to present a N-pole, clamping a center magnetic steel with an upper iron core and a lower iron core to form an inner magnetic component, charging magnetism for the inner magnetic component in the magnetizing apparatus so as to lead the upper iron core to present an S-pole and the lower iron core to present a N-pole, inserting a setting gauge on a center table of an iron core bracket, placing the inner magnetic component in the setting gauge to fix the lower iron core on the center table of the iron core bracket, and inserting adouble-winding voice coil into a ring gap between the inner magnetic component and the outer magnetic component. Compared with a loudspeaker with an external magnetic structure, the loudspeaker with the compound magnetic circuit has the advantages that the volume of magnetic steels is greatly reduced and the production cost is reduced. Compared with a loudspeaker with an internal magnetic structure, the loudspeaker with the compound magnetic circuit is more sensitive.

Description

technical field [0001] The invention relates to a processing method of a loudspeaker, in particular to a processing method of a composite magnetic circuit loudspeaker. Background technique [0002] Speakers are widely used in people's daily life, especially in speaker systems. In some large stages, exhibition sites and other places, the power requirements for speakers are relatively high. The power of the speaker directly affects the power of the speaker. The power of the speaker is getting bigger and bigger, so the speaker is getting bigger and bigger. The magnetic steel in the horn is a key factor in determining the power of the horn. Traditional horns are divided into external magnetic structure and internal magnetic structure. The external magnetic structure is as follows: figure 1 As shown, it includes T iron, magnetic steel and pressure plate. The magnetic steel is sandwiched between the T iron and the pressure plate, and the voice coil is inserted in the gap between...

AI Technical Summary

Problems solved by technology

Since the magnetic steel is arranged outside, the outer diameter of the magnetic steel is relatively large, resulting in a relatively large volume of the magnetic steel, so the cost is high

Although the internal magnetic structure is relatively small in size, its sensitivity is relatively low

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