CN208638575U - A kind of sound film and the microphone device including the sound film - Google Patents

Abstract

The utility model embodiment is related to electroacoustic conversion art, disclose a kind of sound film, it include: centrally located top dome portion and the ring portion around the top dome portion, the ring portion is equipped with several first reinforcement parts, first reinforcement part includes the first main extension, the first secondary extension and the second secondary extension, and the first main extension, the first secondary extension and the second secondary extension intersect at the angle in the first intersection point and three between any two and be all larger than 0 °.Sound film provided by the utility model and the microphone device including the sound film can preferably adjust the rigidity of sound film, improve product acoustical behavior.

Description

A kind of sound film and 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 and the 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 It is quality, undistorted.And core component of the sound film as microphone device, the quality of design directly affect the property of acoustical device Energy.Traditional sound film includes the ring portion in centrally located top dome portion and the circular top dome portion, and sets in ring portion Single pattern structure is equipped with as reinforcement part.

At least there are the following problems in the prior art for inventor's discovery: since the reinforcement part only extends in one direction, institute Only the rigidity of sound film, product acoustics can be adjusted by controlling length, width, depth and the angle of each independent reinforcement part Performance is bad, therefore, it is necessary to study 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 preferably adjust the rigidity of sound film, mention High product acoustical behavior.

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 is equipped with the first reinforcement part of several Y types, described First reinforcement part includes the first main extension, the first secondary extension and the second secondary extension, the first main extension, described First secondary extension and the second secondary extension intersect at the angle in the first intersection point and three between any two and are all larger than 0 °.

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 embodiments of the present invention additionally provides a kind of electronic equipment, and the electronic equipment includes microphone device, institute Stating microphone device includes above-mentioned sound film.

The utility model embodiment in terms of existing technologies, first reinforcement part include the first main extension, First secondary extension and the second secondary extension, the angle that three meets in the first intersection point and three between any two is all larger than 0 ° small In 180 °, that is to say, that there are three extending directions for first reinforcement part, the folder between extending direction by controlling three Angle and each extension the point of intersection can make reinforcement part show a variety of different shapes to two sides or unilateral extension, To preferably adjust the rigidity of sound film, reduce the distortion of sound film, improves product acoustical behavior.

In addition, width direction of first reinforcement part along the ring portion is arranged.

In addition, the first main extension, the first secondary extension and the second secondary extension are from described the One intersection point extends to unilateral side.So set, structure is simple, there is cost advantage.

In addition, the first main extension extends from first intersection point to the inside in the ring portion, described first is secondary Extension and the second secondary extension extend from first intersection point to the outside in the ring portion, and with the first pair extension And second the angle of extending direction of secondary extension be obtuse angle.So set, solving the outside in the ring portion more Weak problem, preferably has adjusted the rigidity of sound film, improves product acoustical behavior.

In addition, being additionally provided with the second reinforcement part of several Y types in the ring portion, second reinforcement part adds with described first Strong portion interval setting, second reinforcement part include the second main extension, third pair extension and fourth officer extension, and institute The second main extension, the third pair extension and the fourth officer extension is stated to intersect in the second intersection point and three two-by-two Between angle be all larger than 0 °.

In addition, the second main extension, the third pair extension and the fourth officer extension are from described Two intersection points extend to unilateral side.

In addition, the second main extension extends from second intersection point to the outside in the ring portion and with described The angle of the extending direction of three secondary extensions and fourth officer extension is obtuse angle.So set, making described second to reinforce Portion is in Y type, by the reverse interleaved setting of the first reinforcement part of Y type, can preferably adjust sound film rigidity, improve product acoustics Energy.

In addition, first reinforcement part and/or second reinforcement part are the bulge-structure in the ring portion.

In addition, first reinforcement part and/or second reinforcement part are located at the corner in the ring portion, the ring The corner in portion is provided with rounded corner.So set, the stress of the corner in the ring portion can be reduced, the ring is improved The rigidity of the corner in portion, to improve product acoustical behavior.

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 schematic 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 schematic 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 the first reinforcement part 14 of several Y types, and the first reinforcement part 14 includes the first main extension The secondary extension 142 in portion 141, first and the second secondary extension 143, the first secondary extension 142 of main extension 141, first and Second secondary extension 143 intersects at the angle in the first intersection point and three between any two and is all larger than 0 °.

The utility model embodiment in terms of existing technologies, due to the first reinforcement part 14 include the first main extension 141, the first secondary extension 142 and the second secondary extension 143, three meet at the angle in the first intersection point and three between any two 0 ° is all larger than less than 180 °, that is to say, that the first secondary extension 142 of main extension 141, first and the second secondary extension 143 Extend respectively along three extending directions, the angle and each extension self intersection between extending direction by controlling three Point can make reinforcement part show a variety of different shapes to two sides or unilateral extension, to preferably adjust sound film 100 Rigidity, so that 100 good reliability of sound film, service life height and the distortion for reducing sound film 100, improve product acoustical behavior.

In present embodiment, width direction of first reinforcement part 14 along ring portion 12 is arranged.So set, can be better Enhance the rigidity of sound film 100, improve 100 reliability of sound film and reduce the distortion of sound film 100, further increases the service life harmony of product Learn performance.

Specifically, the first secondary extension 142 of main extension 141, first and the second secondary extension 143 are handed over from first Point extends to unilateral side.In present embodiment, the first main extension 141 extends from the first intersection point to the inside in ring portion 12, and first Secondary extension 142 and the second secondary extension 143 extend from the first intersection point to the outside in ring portion 12, and with the first pair extension 142 and second the angle of extending direction of secondary extension 143 be obtuse angle.Further, the first main extension and the first pair Extension, the second secondary extension angle be 145 °, the angle of the first secondary extending direction and the second secondary extending direction is 90 °, Extend at each equal the point of intersection of extension to unilateral side, i.e., reinforcement part is substantially in Y type, and the first main extension 141 is located at ring portion 12 inside, the first secondary extension 142 and the second secondary extension 143 are located at the outside in ring portion 12, due to the first secondary extension 142 and second secondary extension 143 extend respectively towards both direction, solve the problems, such as that the outside in ring portion 12 is more weak, because And the rigidity of sound film 100 is preferably had adjusted, improve product acoustical behavior.In addition, reinforcement part may be shapes such as " claw type " Shape, herein with no restriction.

It is understood that the first secondary extension 142 of main extension 141, first and the second secondary extension 143 can be At least one of them extends from the first intersection point to bilateral.For example, when first the 141, first secondary extension 142 of main extension and the When second mate's extension 143 extends from the first intersection point to bilateral, reinforcement part is substantially in " * type ".By controlling the first main extension 141, in the first secondary extension 142 and the second secondary extension 143 from the first intersection point to bilateral or it is unilateral extend, can present more Mostly different shapes improves the acoustical behavior of product to preferably adjust the rigidity of sound film 100.

In present embodiment, the first reinforcement part 14 is the bulge-structure in ring portion 12.It is understood that first reinforces Recess in portion 14 or ring portion 12.

It is noted that the first reinforcement part 14 is located at the corner 121 in ring portion 12, the corner 121 in ring portion 12 It is provided with rounded corner.Right angle is set by the corner in ring portion in compared with the prior art, by ring portion in present embodiment Rounded corner is arranged in 12 corner 121, can reduce the stress of the corner 121 in ring portion 12, improves the turning in ring portion 12 The rigidity at place 121, to improve product acoustical behavior.

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 is the second reinforcement part 15 of several Y types, the second reinforcement part 15 and the first reinforcement part 14 interval are arranged, and the second reinforcement part 15 includes the Two main extensions 151, third pair extension 152 and fourth officer extension 153, and the second main extension 151, third pair extend Portion 152 and fourth officer extension 153 intersect at the angle in the second intersection point and three between any two and are all larger than 0 °.

In present embodiment, the second main extension 151, third pair extension 152 and fourth officer extension 153 are from Two intersection points extend to unilateral side.Further, the second main extension 151 extend from the second intersection point to the outside in ring portion 12 and with The angle of the extending direction of third pair extension 152 and fourth officer extension 153 is obtuse angle.Reinforcement part by Y type is anti- To being staggered, 100 rigidity of sound film can be preferably adjusted, improves product acoustical behavior.

It is understood that the second main extension 151, third pair extension 152 and fourth officer extension 153 are from Two intersection points can also form other shapes, such as " claw type " to unilateral side extension.In addition, the second main extension 151, third pair extend One can also be included at least in portion 152 and fourth officer extension 153 to extend from the second intersection point to bilateral, for example, working as three When extending to bilateral, second reinforcement part 15 of " * type " can be formed.

It is noted that the second reinforcement part 15 is the bulge-structure in ring portion 12 in present embodiment.It is understood that , the second reinforcement part 15 may be the recess in ring portion 12.

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.

The third embodiment of the utility model provides a kind of electronic equipment (not shown), electronic equipment (not shown) packet Microphone device (not shown) is included, microphone device (not shown) includes above-mentioned sound film 100 or sound film 200.

It should be noted that the electronic equipment may include the electronic products such as mobile phone, plate.

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 (10)

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 the first reinforcement part of several Y types, and first reinforcement part includes the first main extension, the first pair Extension and the second secondary extension, the first main extension, the first secondary extension and the second secondary extension It intersects at the angle in the first intersection point and three between any two and is all larger than 0 °.

2. sound film according to claim 1, which is characterized in that width direction of first reinforcement part along the ring portion Setting.

3. sound film according to claim 2, which is characterized in that the first main extension, the first secondary extension with And the second pair extension extends from first intersection point to unilateral side.

4. sound film according to claim 3, which is characterized in that the first main extension is from first intersection point to described The inside in ring portion extends, and the described first secondary extension and the second secondary extension are outer from first intersection point to the ring portion Side extends, and is obtuse angle with the angle of the described first secondary extension and the extending direction of the second secondary extension.

5. sound film according to claim 4, which is characterized in that be additionally provided with several Y types in the ring portion second is reinforced Portion, second reinforcement part and first reinforcement part interval are arranged, and second reinforcement part includes the second main extension, third Secondary extension and fourth officer extension, and the second main extension, the third pair extension and the fourth officer prolong The angle that extending portion intersects in the second intersection point and three between any two is all larger than 0 °.

6. sound film according to claim 5, which is characterized in that the second main extension, the third pair extension with And the fourth officer extension extends from second intersection point to unilateral side.

7. sound film according to claim 6, which is characterized in that the second main extension is from second intersection point to described The outside in ring portion extends and is blunt with the angle of the third pair extension and the extending direction of fourth officer extension Angle.

8. sound film according to claim 5, which is characterized in that first reinforcement part and/or second reinforcement part are Bulge-structure in the ring portion.

9. sound film according to claim 5, which is characterized in that first reinforcement part and/or second reinforcement position The corner of corner in the ring portion, the ring portion is provided with rounded corner.

10. 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 described in claim 1 to 9 any one claim Film.