Sounding device and electronic device
A sounding device and shell technology, applied in electrical components, sensors, etc., can solve the problems of particularly prominent impact on the performance of the sounding device, affecting the service life of the sounding device, maximum volume, and inability to effectively dissipate heat, so as to achieve an unaffected acoustic performance. Effect
Active Publication Date: 2019-01-15
GOERTEK INC
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Problems solved by technology
[0003] Since the voice coil of the sounding device is made of wires, the voice coil will generate heat when it receives an AC signal. The longer the working time, the more obvious the heat will be. Affect the service life of the sound generating device and the maximum volume it can provide
[0004] In the prior art, both the voice coil and the magnetic circuit assembly are installed in the first cavity of the sound generating device, and the first cavity is a closed structure, which makes heat dissipation of the voice coil always a difficult problem in the industry, and, As the integration of the electronic equipment for setting the sounding device is getting higher and higher, the size of the sounding device is getting smaller and smaller, and the influence of voice coil heating on the performance of the sounding device is particularly prominent. Therefore, it is very necessary to provide a new sounding device. The structure of the device is conducive to the heat dissipation of the voice coil
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[0045] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
[0046] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.
[0047] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.
[0048] In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...
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The invention discloses a sounding device and an electronic device. The sounding device comprises a first housing, and a magnetic circuit assembly and a vibration component fixedly connected with thefirst housing; wherein the vibration component comprises a diaphragm; the diaphragm is provided with a second housing at a side surface away from the first housing; a first cavity is formed in a spacebetween the second housing and the diaphragm and is filled with a sound absorbing material; a second cavity is formed in a space among the diaphragm, the first housing, and the magnetic circuit assembly; the second cavity is provided with an air hole leading to the outside; and a sound wave radiated by the vibration of the diaphragm is transmitted to the external environment. The sounding deviceof the present invention has good heat dissipation and excellent acoustic performance.
Description
technical field [0001] The present invention relates to the technical field of electroacoustic products, and more specifically, the present invention relates to a sound generating device and an electronic device. Background technique [0002] The sound generating device is the basic unit to realize electro-acoustic conversion. The sound generating device includes a single shell, a vibration assembly and a magnetic circuit assembly. The vibration assembly and the magnetic circuit assembly are accommodated in the single shell. The diaphragm separates the inner cavity of the single shell into the second cavity and the first cavity. Both the voice coil and the magnetic circuit assembly are located in the first cavity, and the voice coil is placed in the magnetic gap formed by the magnetic circuit assembly. In this way, when the voice coil receives an AC signal, it can drive the diaphragm to vibrate under the action of the magnetic field generated by the magnetic circuit assembly...
Claims
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IPC IPC(8): H04R9/06H04R9/04H04R9/02
CPCH04R9/025H04R9/04H04R9/06
Inventor 葛连山朱婷张成飞
Owner GOERTEK INC