CN203243517U

CN203243517U - Sounding device

Info

Publication number: CN203243517U
Application number: CN 201320178814
Authority: CN
Inventors: 许骞
Original assignee: AAC Optoelectronic Changzhou Co Ltd
Current assignee: AAC Microtech Changzhou Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Priority date: 2013-04-11
Filing date: 2013-04-11
Publication date: 2013-10-16
Anticipated expiration: 2023-04-11

Abstract

The utility model discloses a sounding device including a magnetic circuit system, a vibrating system and an auxiliary system accommodating the magnetic circuit system and the vibrating system. The auxiliary system at least includes a front cover including a body part, a mesh screen and a support. The front cover is provided with a through hole in a vibrating direction of the vibrating system. The support is embedded in the body part. The mesh screen includes a first part embedded in the body part and fixed on the support and a second part extending in the through hole and covering the whole through hole. Compared with a sound device in the related prior art, the sounding device provided by the utility model has a smaller number of assemblies and an integral space structure of the sounding device is utilized in a more reasonable manner. Therefore, the sounding device provided by the utility model meets a development tendency of microminiaturization. And the strength of the front cover is enhanced, so that the reliability is improved.

Description

Microphone device

[technical field]

The utility model relates to the electroacoustic field, specifically a kind of microphone device.

[background technology]

Along with the develop rapidly of electronics and information industry, electronic product is day by day obvious to the trend of microminiaturization development, also will more and more develop to microminiaturization as the microphone device that is applied thereon is inevitable.

The microphone device of correlation technique, it comprises acoustical generator monomer and attaching mesh screen thereon.The size of the microphone device of correlation technique is very little, how under the prerequisite that guarantees the microphone device performance, the size of microphone device is further reduced to have become the hot issue of those skilled in the art's research.

[utility model content]

The utility model provides a kind of structure more microminiaturized, the microphone device that reliability is higher.

The purpose of this utility model is achieved in that

A kind of microphone device, it comprises magnetic circuit system, vibrational system and the auxiliary system of accommodating described magnetic circuit system and vibrational system, described auxiliary system comprises a protecgulum at least, described protecgulum comprises main part, mesh screen and support, be covered with the through hole on the vibrational system direction of vibration before described, described support is embedded in the main part, and described mesh screen comprises and is embedded in the main part and is immobilizated in the first of described support and extends and cover the second portion of whole through hole in the described through hole from first.

Preferably, described support comprises the first par, the second par and is connected the connecting portion of described the first par and the second par, more away from vibrational system, the first of described mesh screen is immobilizated on the surface of described the second par compared to the first par in described the second par.

Preferably, described support comprises the first support and the second support, described the first support comprise the 3rd par and from the 3rd par inner peripheral to extending away from the vibrational system direction and the extension on outstanding surface, the 3rd par, described the second support is circulus, the sheathed described extension of described the second support with first's pressure holding of described mesh screen in the outside of described the first support.

The utility model has the advantage of: the microphone device that the utility model provides is compared to the microphone device of correlation technique, reduced the combiner quantity of microphone device, more rationally utilize the space structure of microphone device, be beneficial to the trend development of device microminiaturization, strengthened protecgulum intensity, reliability is strengthened.

[description of drawings]

The exploded view of the microphone device that Fig. 1 provides for the utility model;

The first embodiment exploded view of the protecgulum of the microphone device that Fig. 2 provides for the utility model;

The first embodiment cutaway view of the protecgulum of the microphone device that Fig. 3 provides for the utility model;

The second embodiment exploded view of the protecgulum of the microphone device that Fig. 4 provides for the utility model;

The second embodiment cutaway view of the protecgulum of the microphone device that Fig. 5 provides for the utility model.

[embodiment]

Below in conjunction with accompanying drawing, the utility model is elaborated.

As shown in Figure 1, the microphone device A that provides for the utility model, it comprises magnetic circuit system 3, vibrational system 4, accommodates the auxiliary system of described magnetic circuit system 3 and vibrational system 4 and the conducting terminal 5 of realizing signal of telecommunication input, and described auxiliary system comprises protecgulum 1 and basin frame 2.

As shown in Figures 2 and 3, it is the protecgulum 1 of the first embodiment of providing of the utility model, please in the lump with reference to Fig. 1, described protecgulum 1 comprises main part 11, mesh screen 13 and support 12, described protecgulum 1 is provided with the through hole 10 on the direction of vibration of vibrational system 4, described support 12 is embedded in the main part 11, described mesh screen 13 comprise be embedded in the main part 11 and be immobilizated in the first 132 of described support 12 and from first 132 to described through hole 10 interior extensions and cover the second portion 131 of whole through hole 10, described support 12 comprises the first par 121, the second par 122 and the connecting portion 123 that is connected described the first par 121 and the second par 122, more away from vibrational system 4, the first 132 of described mesh screen 13 is immobilizated on the surface of described the second par 122 compared to the first par 121 in described the second par 122.

As shown in Figure 4 and Figure 5, it is the protecgulum 1 ' of the second embodiment of providing of the utility model, identical with the first embodiment is that described protecgulum 1 ' comprises main part 11 ', mesh screen 13 ' and support 12 ', described protecgulum 1 ' is provided with the through hole on the vibrational system direction of vibration, described support 12 ' is embedded in the main part 11 ', described mesh screen 13 ' comprises and is embedded in the main part 11 ' and is immobilizated in the first 132 ' of described support 12 ' and extends and cover the second portion 131 ' of whole through hole in the described through hole from first 132 ', itself and the first embodiment difference are the fixing modes of mesh screen 13 ' and support 12 ', be specially in the present embodiment described support 12 ' and comprise the first support 12 ' a and the second support 12 ' b, described the first support 12 ' a comprise the 3rd par 124 and from the inner peripheral of the 3rd par 124 to extending away from the direction of vibrational system and the extension 125 on outstanding 124 surfaces, the 3rd par, described the second support 12 ' b is circulus, the sheathed described extension 125 of described the second support 12 ' b with first's 132 ' pressure holding of described mesh screen 13 ' in the outside of described the first support 12 ' a.

The utility model forms the mesh screen sub-assembly by first mesh screen being immobilizated in support, the follow-up front-cover structure that again the mesh screen sub-assembly is injected an integral body of protecgulum main body formation, the mesh screen parts are coupled in the middle of the original protecgulum so that a new whole front-cover structure that provides such as the utility model to be provided, reduced like this quantity of the combiner of microphone device, more rationally utilize the space structure of microphone device, be beneficial to the trend development of device microminiaturization, moreover be injected with supporting structure in the protecgulum and strengthened protecgulum intensity, reliability is strengthened.

The above only is preferred embodiments of the present utility model; protection range of the present utility model is not limited with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.

Claims

1. microphone device, it comprises magnetic circuit system, vibrational system and the auxiliary system of accommodating described magnetic circuit system and vibrational system, it is characterized in that: described auxiliary system comprises a protecgulum at least, described protecgulum comprises main part, mesh screen and support, be covered with the through hole on the vibrational system direction of vibration before described, described support is embedded in the main part, and described mesh screen comprises and is embedded in the main part and is immobilizated in the first of described support and extends and cover the second portion of whole through hole in the described through hole from first.

2. microphone device according to claim 1, it is characterized in that: described support comprises the first par, the second par and is connected the connecting portion of described the first par and the second par, more away from vibrational system, the first of described mesh screen is immobilizated on the surface of described the second par compared to the first par in described the second par.

3. microphone device according to claim 1, it is characterized in that: described support comprises the first support and the second support, described the first support comprise the 3rd par and from the 3rd par inner peripheral to extending away from the vibrational system direction and the extension on outstanding surface, the 3rd par, described the second support is circulus, the sheathed described extension of described the second support with first's pressure holding of described mesh screen in the outside of described the first support.