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Multi-magnet speaker and drive structure of multi-magnet speaker

A driving structure and loudspeaker technology, applied in the loudspeaker field, to achieve the effect of wide audio frequency and sound intensity response range, and high-fidelity audio restoration

Pending Publication Date: 2018-05-04
厦门东声电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] By enhancing the magnetic field of the permanent magnet, the response sensitivity of the voice coil can be improved, and the sound film can sense a wider range of audio and sound intensity, which can achieve high-fidelity audio reproduction, but the strength of the magnetic field can not only be achieved by stacking permanent magnets. , it is also necessary to design a structure in which the magnet and the voice coil cooperate with each other without interfering with each other in order to realize the effective use of the permanent magnet magnetic field, and the volume of the speaker must also be considered. The current electrodynamic speakers use single or double magnetic circuits. The discharge structure of magnets and voice coils can no longer meet the needs of users for high-fidelity music, so it is urgent to provide a micro-speaker drive structure with high magnetic field strength to meet user needs

Method used

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  • Multi-magnet speaker and drive structure of multi-magnet speaker
  • Multi-magnet speaker and drive structure of multi-magnet speaker

Examples

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no. 1 example

[0031] Please also refer to the attached figure 1 , attached figure 2 And attached image 3 , the present invention provides a multi-magnetic loudspeaker driving structure, including: a plurality of magnets 10, a voice coil 11, a plurality of magnets 10 are arranged symmetrically in the center, and there are gaps 100 between adjacent magnets 10, and the voice coil 11 is installed on the magnet There are 100 gaps in 10. The magnet is composed of a pole core 101 and a magnet steel 102. The pole core 101 is attached to one end of the magnet steel 102. The pole core 101 is magnetized by the magnet steel 102, thereby forming a flux gap between the pole cores 101. The voice coil 11 is installed in the gap between the pole cores 101 to ensure that the voice coil 11 can obtain the magnetic flux between the pole cores 101 . Specifically, the shape of the magnetic steel 102 is square, and several magnetic steel 102 are symmetrically arranged in a square. In this embodiment, prefera...

no. 2 example

[0044] Please also refer to the attached Figure 5 , attached Figure 6 And attached Figure 7 , the present invention also provides a multi-magnetic loudspeaker drive structure, the shape of the magnetic steel 102 is a square, a number of magnetic steel 102 are symmetrically arranged in a square, the number of the magnetic steel 102 is 4, and the gap between the magnetic steel 102 is 100 The shape of the composition is a cross, and the voice coil includes: the first voice coil 12 and the second voice coil 13, the first voice coil 12 and the second voice coil 13 are right-angled, the first voice coil 12 and the second voice coil 13 arranged in a cross

[0045] The first voice coil 12 includes: a fifth part 121 and a sixth part 122 ; the second voice coil 13 includes: a seventh part 131 and an eighth part 132 . The two sides of the fifth part 121 , the sixth part 122 , the seventh part 131 and the eighth part 132 are also closely fitted. The polarity of the pole core 101 co...

no. 3 example

[0055] The multi-magnetic loudspeaker provided by the present invention includes: a multi-magnetic loudspeaker drive structure, a magnetic bowl, a sound film and an upper cover, the magnetic bowl is used to fix the parts of the multi-magnetic loudspeaker, and one end of the magnetic steel is fixed at the bottom of the magnetic bowl , the other end of the magnetic steel is pasted with a pole core, the voice coil is connected to the sound film, the sound film covers the top of the magnetic bowl, the upper cover is fastened on the top of the magnetic bowl, and the upper cover is hollowed out in the middle, so that the sound film is exposed.

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Abstract

The invention relates to a multi-magnet speaker and a drive structure of the multi-magnet speaker. The multi-magnet speaker comprises multiple magnets and voice coils, wherein the multiple magnets arearranged in a manner of center symmetry, a clearance is between adjacent magnets, and the voice coils are installed in the clearance between the magnets. According to the multi-magnet speaker and thedrive structure of the multi-magnet speaker, the multi-magnet structure ensures the small volume of the speaker and enables the voice coils to fully utilize the superposition role of multiple magnetic fields to sense an audio current signal more flexibly, so that the audio and sound strength response scope is expanded, and high fidelity audio restoration is realized.

Description

technical field [0001] The invention relates to the technical field of loudspeakers, in particular to a multi-magnetic loudspeaker driving structure and a multi-magnetic loudspeaker. Background technique [0002] There are many types of loudspeakers, but their basic working principles are similar. They are all devices that convert electrical signals into sound signals for playback. The most widely used loudspeaker is the electrodynamic loudspeaker, which consists of sound film, voice coil, permanent magnet, bracket and other components. [0003] The working principle of the electric speaker is that when the voice coil of the speaker is fed with an audio current signal, the voice coil generates an alternating magnetic field under the action of the current, and the permanent magnet also generates a constant magnetic field with the same size and direction. Since the size and direction of the magnetic field generated by the voice coil are constantly changing with the audio curr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/04H04R9/02H04R9/06
CPCH04R9/025H04R9/045H04R9/06
Inventor 姜鑫
Owner 厦门东声电子有限公司
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