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Voice coil framework and loudspeaker using same

A voice coil skeleton and voice coil technology, applied in the field of speakers and voice coil skeletons, can solve the problems that the electro-acoustic conversion efficiency of speakers cannot be further improved, the weight of the voice coil skeleton is large, etc., and achieve a weight reduction, obvious effect and excellent strength. Effect

Inactive Publication Date: 2011-03-30
TSINGHUA UNIV
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, if the existing voice coil bobbin wants to achieve a certain specific strength, under the condition of a certain material density, it must have a greater strength, so that it has a larger thickness, which in turn leads to the weight of the voice coil bobbin Larger, so that the electro-acoustic conversion efficiency of the speaker cannot be further improved

Method used

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  • Voice coil framework and loudspeaker using same
  • Voice coil framework and loudspeaker using same
  • Voice coil framework and loudspeaker using same

Examples

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Embodiment Construction

[0017] The voice coil bobbin provided by the embodiment of the present invention and the loudspeaker using the voice coil bobbin will be further described in detail below with reference to the accompanying drawings.

[0018] see figure 1 and figure 2 , the embodiment of the present invention provides a voice coil bobbin 100 . The voice coil bobbin 100 is a hollow tubular structure. The diameter and length of the voice coil bobbin 100 are not limited, and can be prepared according to actual needs. The thickness of the tube wall of the voice coil bobbin 100 may be greater than or equal to 1 micron and less than or equal to 2 mm. The voice coil bobbin 100 is made of carbon nanotube paper, and the carbon nanotube paper includes a paper matrix 106 and a plurality of carbon nanotubes 108 dispersed in the paper matrix 106 .

[0019] The paper base 106 includes various fiber materials and additive materials. The fiber material may include one or more of wood fiber, carbon fiber,...

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PUM

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Abstract

The invention relates to a voice coil framework and a loudspeaker using the same. The voice coil framework comprises a paper matrix and a plurality of carbon nano-tubes dispersed in the paper matrix. The loudspeaker comprises a voice ring, a voice ring framework, a vibration membrane, a centering supporting piece and a magnetic field system, wherein the voice coil is arranged on the voice ring framework; the centering supporting piece is arranged at the combined part of the voice ring and the vibration membrane; the magnetic field system is provided with a magnetic field clearance; and the voice ring framework is accommodated in the magnetic field clearance and comprises the paper matrix and the plurality of carbon nano-tubes dispersed in the paper matrix.

Description

technical field [0001] The invention relates to a voice coil frame and a loudspeaker using the voice coil frame. Background technique [0002] Speakers are electronic components that convert electrical energy into mechanical energy and are used in a wide range of applications, such as telephones, mobile communication terminals, computers, televisions, cassette tapes, audio equipment, and automobiles. [0003] Loudspeakers in the prior art mostly adopt dynamic loudspeakers. An electrodynamic loudspeaker generally includes a voice coil, a voice coil bobbin (Bobbin), a magnetic field system and a vibrating membrane. The voice coil is wound around one end of the voice coil frame. The voice coil skeleton is connected with the vibrating membrane. Through the movement of the voice coil fixed on the voice coil frame under the magnetic field generated by the magnetic field system, the diaphragm is pushed to vibrate and emit sound waves. [0004] The volume of the speaker is an im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/04H04R9/06
CPCH04R9/046
Inventor 刘亮王佳平
Owner TSINGHUA UNIV
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