CN208638653U - A kind of sound film, the microphone device including the sound film - Google Patents

Abstract

The utility model embodiment is related to electroacoustic conversion art, discloses a kind of sound film, comprising: centrally located top dome portion and around the ring portion in the top dome portion, the ring portion is equipped with several first reinforcement parts, and first reinforcement part joins end to end.Sound film provided by the utility model and the microphone device including the sound film can be improved the acoustical behavior and reliability of microphone device.

Description

A kind of sound film, the microphone device including the sound film

Technical field

The utility model embodiment is related to electroacoustic conversion art, in particular to a kind of sound film, a kind of hair including the sound film Acoustic device.

Background technique

With the fast development of electronic information technology, more and more microphone devices are applied in each electronic product, especially It is the mobile communication equipment of widely people's application, and people are not only concerned about that it is miniaturized, is multi-functional, more requires its sound effect high Quality, undistorted and reliability.And core component of the sound film as microphone device, the quality of design directly affect acoustics The performance of device.Traditional sound film includes the ring portion in centrally located top dome portion and the circular top dome portion, and is rolling over The reinforcement part extended along one or more directions is provided in ring portion.

At least there are the following problems in the prior art for inventor's discovery: in sound film vibration processes, the two ends of reinforcement part At position flat film phenomenon easily occurs for point, so that the acoustical behavior and reliability of raising microphone device are influenced, therefore, it is necessary to mention It solves the above problems for a kind of sound film with new construction.

Utility model content

The utility model embodiment is designed to provide a kind of sound film, can be improved microphone device acoustical behavior and Reliability.

In order to solve the above technical problems, the embodiments of the present invention provides a kind of sound film, comprising: centrally located position The top dome portion set and around the ring portion in the top dome portion, the ring portion are equipped with several first reinforcement parts, and described first Reinforcement part joins end to end.

The embodiments of the present invention additionally provides a kind of microphone device, and the microphone device includes magnetic circuit system, vibration The frame of dynamic system and the receiving magnetic circuit system and vibrational system, the vibrational system includes above-mentioned sound film.

The utility model embodiment in terms of existing technologies, distribution, width by adjusting first reinforcement part Degree and depth, the acoustic characteristic for the adjusting sound film that can be more easier, so that the acoustical behavior of microphone device is improved, meanwhile, Head and the tail endpoint may be not present since the first reinforcement part joins end to end, so as to effectively reduce due to reinforcement part is there are head and the tail endpoint Caused flat film phenomenon, greatly improved the stiffness and reliability of the sound film.

In addition, several second reinforcement parts are additionally provided in the ring portion, second reinforcement part and first reinforcement part Interval setting, second reinforcement part include main extension, secondary extension and the connection main extension and secondary extension Interconnecting piece, the main extension and the secondary extension are located at the both ends of the interconnecting piece.So set, by adjusting institute Position, width and the depth for stating the first reinforcement part and second reinforcement part, the rigidity for the adjusting sound film that can be more easier, from And improve the acoustical behavior of microphone device.

In addition, the width of at least one of the main extension and described secondary extension is less than the width of the interconnecting piece. So set, the rigidity of the sound film can be effectively improved, the generation of flat film phenomenon is reduced, effectively improves the reliable of the sound film Property, meanwhile, so that the sound vibration of membrane works well, improve the acoustical behavior of microphone device.

In addition, first reinforcement part and second reinforcement part are respectively positioned on the corner in the ring portion, and described One reinforcement part is close to the setting of the outside of the corner, second reinforcement part from the outer lateral corner of the corner Inside extend.So set, the rigidity of the corner of the sound film can be effectively improved, to effectively improve the acoustical generator The reliability of part.

In addition, the corner in the ring portion is provided with rounded corner.It is turned so set, the sound film can be further decreased Stress at angle, to further increase the reliability of the microphone device.

In addition, at least one of first reinforcement part and second reinforcement part are the protrusion in the ring portion.

In addition, first reinforcement part and second reinforcement part are the recess in the ring portion.So set, energy Enough further increase the acoustical behavior and reliability of the sound film.

In addition, first reinforcement part is annular shape.So set, it is easy to process, save manufacturing cost.

Detailed description of the invention

One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove Non- to have special statement, composition does not limit the figure in attached drawing.

Fig. 1 is the schematic perspective view for the sound film that the utility model first embodiment provides；

Fig. 2 is the partial enlargement diagram in Fig. 1 at A；

Fig. 3 is the schematic perspective view for the sound film that the utility model second embodiment provides；

Fig. 4 is the partial enlargement diagram in Fig. 3 at B.

Fig. 5 is the microphone device that the utility model third embodiment provides.

Specific embodiment

To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this Each embodiment of utility model is explained in detail.However, it will be understood by those skilled in the art that practical at this In novel each embodiment, many technical details are proposed in order to make reader more fully understand the utility model.But even if Without these technical details and various changes and modifications based on the following respective embodiments, the utility model also may be implemented and wanted Seek the technical solution of protection.

The first embodiment of the utility model is related to a kind of sound film 100, as shown in Fig. 1 to 2, comprising: centrally located position The top dome portion 11 set, the ring portion 12 around top dome portion 11 and the fixed part 13 that extends outward from ring portion 12, ring portion 12 be annular convex shape, and ring portion 12 is equipped with several first reinforcement parts 14, and the first reinforcement part 14 joins end to end.

The utility model embodiment in terms of existing technologies, distribution, width by adjusting the first reinforcement part 14 And depth, the acoustic characteristic for the adjusting sound film 100 that can be more easier, so that the acoustical behavior of microphone device is improved, meanwhile, Since the first reinforcement part 14 joins end to end, the rigidity of sound film 100 greatly improved, avoid the head and the tail of reinforcement part in the prior art The problem of flat film easily occurs at endpoint location improves the reliability and service life of microphone device.

In present embodiment, the first reinforcement part 14 is annular shape, so set, have the advantages that easy processing, forming, from And there is cost advantage.

Specifically, ring portion 12 is generally rectangular shaped, and the first reinforcement part 14 is located at the corner 121 in ring portion 12, and One reinforcement part 14 is arranged close to the outside of corner 121, wherein and the inside in ring portion 12 is the side in close top dome portion 11, Outside is the side far from top dome portion 11.It, can be effective by the way that the first reinforcement part 14 to be arranged in the corner 121 in ring portion 12 The rigidity of 100 corner 121 of Yin Mo is improved, further, the first reinforcement part 14 is positioned close to the position in the outside of corner 121 It sets, solves the problems, such as that the corner 121 in ring portion 12 is more weak, the rigid of the corner 121 of sound film 100 can be effectively improved Degree, to effectively improve the reliability of microphone device.

It is noted that the corner 121 in ring portion 12 is provided with rounded corner.By ring portion in compared with the prior art 12 corner 121 is set as right angle, and rounded corner is arranged in the corner 121 in ring portion 12 in present embodiment, can be reduced The stress of the corner 121 in ring portion 12 improves the rigidity of the corner 121 in ring portion 12, effectively reduces the hair of flat film phenomenon It is raw, to further increase the reliability of microphone device.

In present embodiment, the first reinforcement part 14 is the recess in ring portion 12.It is understood that the first reinforcement part 14 Or the protrusion in ring portion 12.So set, the acoustical behavior and reliability of sound film 100 can be further increased.

Further, the first reinforcement part 14 is annular shape.So set, it is easy to process, save manufacturing cost.

The second embodiment of the utility model is related to a kind of sound film 200, as shown in Figs. 3-4.Second embodiment and the One embodiment is roughly the same, is in place of the main distinction: in the utility model second embodiment, also setting in ring portion 12 There are several second reinforcement parts 15, the second reinforcement part 15 and the first reinforcement part 14 interval are arranged, and the second reinforcement part 15 includes main extension The interconnecting piece 153 in portion 151, secondary extension 152 and the main extension 151 of connection and secondary extension 152, main extension 151 and pair Extension 152 is located at the both ends of interconnecting piece 153.Due to also setting up the second reinforcement part 15, and second in ring portion 12 Reinforcement part 15 and the first reinforcement part 14 interval are arranged, by adjusting the position of the first reinforcement part 14 and the second reinforcement part 15, width And depth, the rigidity for the adjusting sound film 100 that can be more easier, so that the acoustical behavior of microphone device is improved, in addition, also into one Step strengthens the rigidity of sound film 100, to improve the reliability of sound film 100.

It should be understood that above-mentioned first reinforcement part 14 and the setting of the second reinforcement part 15 interval, can be the first reinforcement part 14 and second reinforcement part 15 successively alternate setting, be also possible to that two or more first reinforcement parts 14 are provided with second Reinforcement part 15 etc..

Preferably, the width of main extension 151 and at least one of secondary extension 152 is less than the width of interconnecting piece 153.It answers When understanding, the width that can be main extension is less than the width of interconnecting piece 153, and the width for being also possible to secondary extension 152 is small In the width of interconnecting piece 153, it can also be that the width of main extension 151 and secondary extension 152 is respectively less than the width of interconnecting piece 153 Degree.In present embodiment, the width of main extension 151 and secondary extension 152 is respectively less than the width of interconnecting piece 153.So set, The rigidity that the sound film 100 can be effectively improved reduces the generation of flat film phenomenon, effectively improves the reliability of sound film 100, meanwhile, So that the vibrating effect of sound film 100 is good, the acoustical behavior of microphone device is improved, in addition, this structure is easy to process, saves manufacture Cost.

Specifically, the second reinforcement part 15 is located at the corner 121 in ring portion 12, and the second reinforcement part 15 is from corner The inside of 121 outer lateral corner 121 extends.So set, the corner 121 for further solving ring portion 12 is more thin Weak problem, effectively increases the rigidity of the corner 121 of sound film 100, to effectively improve the reliability of microphone device.

In present embodiment, the second reinforcement part 15 is the recess in ring portion 12.It is understood that the second reinforcement part 15 Or the protrusion in ring portion 12.That is, the first reinforcement part 14 and the second reinforcement part 15 can all be along ring portion 12 surface can also all be the protrusion protruding upward along 12 surface of ring portion, be also possible to it to the recessed portion of lower recess In one for along ring portion 12 recessed portion from surface to lower recess, another reinforcement part be along 12 surface of ring portion it is protruding upward Protrusion.In present embodiment, the first reinforcement part 14 and the second reinforcement part 15 are the surface along ring portion 12 to lower recess Recessed portion.So set, the acoustical behavior and reliability of sound film 100 can be further increased.

The third embodiment of the utility model provides a kind of microphone device 300, as shown in figure 5, microphone device 300 wraps Include frame 1, the vibrating diaphragm 200 being fixedly supported in the frame 1, voice coil 3, the Yi Jigu for driving 200 vibration sounding of vibrating diaphragm Magnetic circuit system 4 in the frame 1.

The frame 1 is used to support the vibrating diaphragm 2 and the magnetic circuit system 4.

The voice coil 3 is fixed on the vibrating diaphragm 200, and the voice coil 3, which is powered, generates electric field and the magnetic circuit system 4 generation Magnetic field cooperatively forms electromagnetic field, so that about 3 voice coil be made to move repeatedly, and then is driven by the voice coil 3 described 200 vibration sounding of vibrating diaphragm.

It is understood that microphone device also may include vibrating diaphragm 100, it will be appreciated by persons skilled in the art that should Replacement can be realized similar technical effect, and details are not described herein again.

It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model And range.

Claims (9)

1. a kind of sound film, comprising: centrally located top dome portion and around the ring portion in the top dome portion, feature exists In the ring portion is equipped with several first reinforcement parts, and first reinforcement part joins end to end.

2. sound film according to claim 1, which is characterized in that be additionally provided with several second reinforcement parts, institute in the ring portion The second reinforcement part and first reinforcement part interval is stated to be arranged, second reinforcement part include main extension, secondary extension and The interconnecting piece of the main extension and secondary extension is connected, the main extension and the secondary extension are located at the connection The both ends in portion.

3. sound film according to claim 2, which is characterized in that at least one of the main extension and the secondary extension Width be less than the interconnecting piece width.

4. sound film according to claim 2, it is characterised in that: first reinforcement part and second reinforcement part are respectively positioned on The corner in the ring portion, and first reinforcement part close to the corner outside setting, second reinforcement part from The inside of the outer lateral corner of the corner extends.

5. sound film according to claim 4, it is characterised in that: the corner in the ring portion is provided with rounded corner.

6. sound film according to claim 2, which is characterized in that in first reinforcement part and second reinforcement part at least One is the protrusion in the ring portion.

7. sound film according to claim 2, which is characterized in that first reinforcement part and second reinforcement part are institute State the recess in ring portion.

8. sound film according to claim 1, which is characterized in that first reinforcement part is annular shape.

9. a kind of microphone device, the microphone device includes magnetic circuit system, vibrational system and the receiving magnetic circuit system and vibration The frame of dynamic system, which is characterized in that the vibrational system includes sound film described in claim 1 to 8 any one.