flat-panel woofer
A loudspeaker and flat-panel technology, which is applied in the field of flat-panel woofers, can solve the problems of large magnet size, waste, and excess magnet performance, and achieve the effects of improving sensitivity, saving space, and avoiding resistance
Active Publication Date: 2016-08-10
GOERTEK INC
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- Application Information
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Problems solved by technology
If a flat diaphragm is used, combined with a voice coil structure (the voice coil needs to be located close to the edge), the large-area diaphragm requires a relatively large voice coil size, which is difficult to wind and easy to deform
Method used
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[0042] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0043] The woofer requires a larger diaphragm area. In order to provide sufficient drive for the large-area diaphragm on the basis of limiting the size of the voice coil and magnet, the present invention starts from the perspective of dispersing and arranging multiple independent drive units, so that the diaphragm The diaphragm is driven by multiple independent voice coils, and each voice coil corresponds to an independent magnetic circuit unit, so as to realize the miniaturization of the woofer with a more reasonable and effective driving unit layout structure.
[0044] fig...
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The invention provides a flat plate type bass loudspeaker. The flat plate type bass loudspeaker comprises a vibration film, at least four driving units which are independent from one another, and an outer shell containing and fixing the vibration film and the driving units; each driving unit comprises an independent voice coil unit and a magnetic circuit unit corresponding to each voice coil unit; the voice coil units are attached to the spherical roof of the vibration film. The flat plate type bass loudspeaker further comprises a flexible printed circuit board (FPCB) connected with an internal circuit and an external circuit of the loudspeaker, and part of the FPCB is fixed on one side, attached to the voice coil units, of the vibration film; the voice coil units are in electric connection with pads through voice coil leads, and the pads are installed on a part, fixed on the vibration film, of the FPCB. The flat plate type bass loudspeaker achieves thinning of bass loudspeakers, and can resolve the problems that voice coils are heavy and magnet performance is surplus.
Description
technical field [0001] The present invention relates to the technical field of acoustics and electricity, and more specifically, relates to a flat-panel woofer. Background technique [0002] With the advancement of society and the development of technology, in recent years, the volume of electronic products such as televisions has been continuously reduced and thinner. The volume is continuously reduced and the thickness is also reduced, and the performance and consistency are continuously improved. [0003] Traditional woofers usually use a cone-shaped cone-shaped diaphragm. The center of the cone-shaped diaphragm contains a voice coil, and the magnetic circuit system is relatively large and thick. The woofer with this structure has a relatively large thickness, which cannot meet the increasingly thinner demands of current electronic products, and is not very practical. [0004] Moreover, in order to ensure its low-frequency sound effect, the woofer generally has a larger...
Claims
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IPC IPC(8): H04R9/06H04R9/02
Inventor 江超杨健斌李志焦其金
Owner GOERTEK INC