CN218103500U - Centering support for electroacoustic transducer and electroacoustic transducer - Google Patents
Centering support for electroacoustic transducer and electroacoustic transducer Download PDFInfo
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- CN218103500U CN218103500U CN202220491670.8U CN202220491670U CN218103500U CN 218103500 U CN218103500 U CN 218103500U CN 202220491670 U CN202220491670 U CN 202220491670U CN 218103500 U CN218103500 U CN 218103500U
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- electroacoustic transducer
- cantilever
- centering
- fixing portion
- inner fixing
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Abstract
The utility model discloses a centering support piece and electroacoustic transducer for electroacoustic transducer, centering support piece for electroacoustic transducer include interior fixed part, outer fixed part and connect a plurality of cantilevers of interior fixed part and outer fixed part, quantity are a plurality of the cantilever divide into at least a set of cantilever group, every group cantilever group all includes two of central symmetry the cantilever, the cantilever is the wavy structure of height fluctuation. Two cantilever centrosymmetries in the cantilever group can provide more balanced holding power, and the cantilever itself is the wavy structure of height fluctuation, can increase the elasticity and the flexible volume of centring disk, effectively restraines the voice coil loudspeaker voice coil and rolls the shake, can also prolong the life of centring disk simultaneously.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field especially relates to electroacoustic transducer is with centering support piece and electroacoustic transducer.
Background
At present, mobile terminals such as mobile phones and tablet computers enrich the lives of people, and a loudspeaker plays an indispensable role as an audio device. At the same time, the demands of consumers for sound quality are increasing, and correspondingly, the performance requirements of designers for speakers are also increasing.
At present, a plurality of large-amplitude electroacoustic converters appear in the market, in order to inhibit the rolling vibration state of a voice coil under large amplitude, the large-amplitude electroacoustic converter selects to improve the rolling vibration problem by adding a centering disk, a cantilever of the existing centering disk is designed in a straight-edge mode, and the rotation direction of the cantilever is asymmetric, so that the problem that the stress directions of a plurality of cantilevers of the centering disk are unbalanced when the voice coil vibrates can be caused, the centering disk can not effectively inhibit the swinging state of the voice coil, and the electroacoustic converter is easy to generate the polarization distortion under a high-power working condition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided are a damper for an electroacoustic transducer having a novel structure, and an electroacoustic transducer having the damper.
In order to solve the technical problem, the utility model discloses a technical scheme be: centering support piece for electroacoustic transducer, including interior fixed part, outer fixed part and connection a plurality of cantilevers of interior fixed part and outer fixed part, quantity is a plurality of the cantilever divide into at least a set of cantilever group, every group cantilever group all includes two of centrosymmetry the cantilever, the cantilever is the wavy structure of height and low fluctuation.
Furthermore, the top surface of the inner fixing portion and the top surface of the outer fixing portion are arranged in a coplanar manner, and the bottom surface of the inner fixing portion and the bottom surface of the outer fixing portion are arranged in a coplanar manner.
Further, the wave crest of the wavy structure is not higher than the top surface of the inner fixing part.
Further, the wave trough of the wavy structure is not lower than the bottom surface of the inner fixing portion.
Furthermore, a first connection area is formed on the outer side of the inner fixing portion, a second connection area is arranged on the inner side of the outer fixing portion, and two ends of the cantilever are respectively connected with the first connection area and the second connection area.
Furthermore, the inner fixing part is integrally in a ring frame shape.
Furthermore, the outer fixing part is integrally in a ring frame shape.
Furthermore, the centering support sheet for the electroacoustic transducer is an FPC (flexible printed circuit), a PEEK (polyether-ether-ketone) film material, a TPEE film material, a TPU (thermoplastic polyurethane) film material, an LCP (liquid Crystal Polymer) film material or a rubber film material.
Furthermore, the centering support sheet for the electroacoustic transducer is a composite film material formed by compounding at least two of a PEEK film material, a TPEE film material, a TPU film material, a LCP film material and a rubber film material.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: the electroacoustic transducer comprises the centering support chip for the electroacoustic transducer.
The beneficial effects of the utility model reside in that: in the centering disk, two cantilevers in the cantilever group are centrosymmetric, so that more balanced supporting force can be provided, and the cantilevers are of wavy structures with fluctuant heights, so that the elasticity and the expansion amount of the centering disk can be increased, the voice coil is effectively inhibited from rolling and vibrating, and the service life of the centering disk can be prolonged. The electroacoustic transducer with the centering support chip can realize larger amplitude on the basis of ensuring the structural stability.
Drawings
Fig. 1 is a schematic structural view of a centering pad for an electroacoustic transducer according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a centering pad for an electroacoustic transducer according to an embodiment of the present invention;
FIG. 3 is an enlarged view of detail A of FIG. 2;
fig. 4 is a schematic structural diagram of an electroacoustic transducer according to a second embodiment of the present invention;
fig. 5 is a cross-sectional view of an electroacoustic transducer according to a second embodiment of the present invention.
Description of the reference symbols:
1. a centering chip for an electroacoustic transducer; 11. an inner fixing portion; 12. an outer fixing portion; 13. a cantilever; 14. a first docking zone; 15. a second docking zone;
2. a basin stand;
3. a diaphragm assembly;
4. a voice coil;
5. a magnetic circuit assembly.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, the centering pad 1 for an electroacoustic transducer includes an inner fixing portion 11, an outer fixing portion 12, and a plurality of cantilevers 13 connecting the inner fixing portion 11 and the outer fixing portion 12, where the plurality of cantilevers 13 are divided into at least one group of cantilevers 13, each group of cantilevers includes two cantilevers 13 that are centrosymmetric, and the cantilevers 13 have a wavy structure with undulation.
From the above description, the beneficial effects of the utility model reside in that: in the centering piece, two cantilevers 13 central symmetry in the cantilever group, novel structure not only, can provide more balanced holding power, and cantilever 13 itself is the wavy structure of height fluctuation, can increase the elasticity and the flexible volume of centering piece, effectively restrain voice coil loudspeaker voice coil 4 and roll and shake, can also prolong the life of centering piece simultaneously.
Further, the top surface of the inner fixing portion 11 and the top surface of the outer fixing portion 12 are disposed in a coplanar manner, and the bottom surface of the inner fixing portion 11 and the bottom surface of the outer fixing portion 12 are disposed in a coplanar manner.
As can be seen from the above description, the centering support can be integrally formed by one piece of film material, which is beneficial to reducing the manufacturing difficulty of the centering support and ensuring the structural stability of the centering support.
Further, the crest of the wavy structure is not higher than the top surface of the inner fixing portion 11.
As can be seen from the above description, when the electroacoustic transducer equipped with the present damper 1 for an electroacoustic transducer is operated, the wavy structure does not interfere with the vibrating component, which is advantageous for ensuring that the electroacoustic transducer does not generate noise due to the interference between the damper and the vibrating component.
Further, the valleys of the wavy structure are not lower than the bottom surface of the inner fixing portion 11.
As is apparent from the above description, when the electroacoustic transducer having the damper 1 for the electroacoustic transducer is operated, the wavy structure does not interfere with the magnetic circuit unit 5, which is advantageous for ensuring that the electroacoustic transducer does not generate noise due to interference between the damper and the magnetic circuit unit 5.
Further, a first connection area 14 is formed on the outer side of the inner fixing portion 11, a second connection area 15 is formed on the inner side of the outer fixing portion 12, and two ends of the cantilever 13 are respectively connected to the first connection area 14 and the second connection area 15.
As can be seen from the above description, the first and second docking areas are used for the natural transition between the cantilever 13 and the inner and outer fixing portions 12.
Further, the inner fixing portion 11 is formed in a ring frame shape as a whole.
Further, the outer fixing portion 12 is formed in a ring frame shape as a whole.
As can be seen from the above description, the inner and outer fixing portions 12 have great structural strength, which is beneficial to ensuring the structural stability of the centering chip 1 for the electroacoustic transducer.
Further, the centering chip 1 for the electroacoustic transducer is an FPC, a PEEK film, a TPEE film, a TPU film, an LCP film, or a rubber film.
Further, the centering pad 1 for the electroacoustic transducer is a composite film material formed by compounding at least two of a PEEK film material, a TPEE film material, a TPU film material, an LCP film material, and a rubber film material.
As is apparent from the above description, the material of the damper 1 for an electroacoustic transducer is various and can be selected by those skilled in the art as needed.
The electroacoustic transducer comprises the centering chip 1 for the electroacoustic transducer.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the centering support 1 for the electroacoustic transducer is applied to the electroacoustic transducer, and particularly, the centering support 1 for the electroacoustic transducer plays a role in improving rolling vibration and polarization phenomena of a voice coil 4 in the electroacoustic transducer.
Centering support piece 1 for electroacoustic transducer includes interior fixed part 11, outer fixed part 12 and connects a plurality of cantilevers 13 of interior fixed part 11 and outer fixed part 12, quantity is a plurality of cantilever 13 divide into at least a set of cantilever group, every group cantilever group all includes two of centrosymmetry cantilever 13, two in the cantilever group the symmetry center of cantilever 13 does the central point of interior fixed part 11, cantilever 13 is the wavy structure of height fluctuation.
In order to ensure the structural stability of the damper 1 for an electroacoustic transducer, in the present embodiment, the inner fixing portion 11 and the outer fixing portion 12 are respectively in the shape of a ring frame. In other embodiments, the inner fixing portion 11 may not be a ring frame, and the outer fixing portion 12 may not be a ring frame. The setting can be specifically carried out according to the actual use requirement.
In this embodiment, the number of the cantilever sets is two, and the four sides of the inner fixing portion 11 are respectively connected to the cantilevers 13, wherein the length of the cantilever 13 connected to the long side of the inner fixing portion 11 is greater than the length of the cantilever 13 connected to the short side of the inner fixing portion 11. Specifically, the propagation direction of the waves in the wavy structure extends from the short side of the inner fixing portion 11 to the short side of the outer fixing portion 12, or from the long side of the inner fixing portion 11 to the long side of the outer fixing portion 12. More specifically, the propagation direction of waves in the cantilever 13 connecting the long sides of the inner fixing portion 11 is set along the length direction of the short sides of the inner fixing portion 11; the traveling direction of waves in the cantilever 13 connecting the short sides of the inner fixing portion 11 is set along the longitudinal direction of the long sides of the inner fixing portion 11.
As a preferable embodiment, the top surface of the inner fixing portion 11 and the top surface of the outer fixing portion 12 are arranged in a coplanar manner, the bottom surface of the inner fixing portion 11 and the bottom surface of the outer fixing portion 12 are arranged in a coplanar manner, and the wave crest of the wavy structure is not higher than the top surface of the inner fixing portion 11; the wave trough of the wavy structure is not lower than the bottom surface of the inner fixing part 11. In this way, the cantilever 13 can be effectively prevented from interfering with external members during deformation. It should be noted that the above-described configuration is only a preferred embodiment and does not show that the present damper 1 for an electroacoustic transducer must be provided such that, for example, the inner fixing portion 11 and the outer fixing portion 12 are not provided with the same top surface and/or bottom surface; the wave crest of the wavy structure is higher than the top surface of the inner fixing part 11; it is possible that the valleys of the wavy structure are located lower than the bottom surface of the inner fixing portion 11.
In detail, a first connection area 14 is formed on the outer side of the inner fixing portion 11, a second connection area 15 is formed on the inner side of the outer fixing portion 12, and two ends of the cantilever 13 are respectively connected to the first connection area 14 and the second connection area 15. In this embodiment, the first connection zone 14 and the second connection zone 15 are respectively block-shaped bodies protruding toward the gap between the inner fixing portion 11 and the outer fixing portion 12.
The centering support sheet 1 for the electroacoustic transducer is an FPC (flexible printed circuit), a PEEK (polyether-ether-ketone) film material, a TPEE (thermoplastic elastomer) film material, a TPU (thermoplastic polyurethane) film material, an LCP (liquid Crystal Polymer) film material or a rubber film material. Of course, it is also feasible that the centering pad 1 for the electroacoustic transducer is a composite film material formed by compounding at least two of PEEK film materials, TPEE film materials, TPU film materials, LCP film materials, and rubber film materials.
Example two
Referring to fig. 1 to 5, a second embodiment of the present invention is: the electroacoustic converter can be applied to electronic products with a sound playing function, such as mobile phones, tablet computers, notebook computers, intelligent watches, interphones and the like.
As shown in fig. 4 and 5, the electroacoustic transducer includes a frame 2, a vibration component and a magnetic circuit component 5, the vibration component includes a diaphragm component 3 and a voice coil 4, the magnetic circuit component 5 is disposed on the frame 2, and the centering support plate 1 for the electroacoustic transducer according to the first embodiment is further included, the bottom surface and the top surface of the inner fixing portion 11 are respectively connected to the voice coil 4 and the diaphragm component 3, and the top surface and the bottom surface of the outer fixing portion 12 are respectively connected to the diaphragm component 3 and the frame 2.
To sum up, the utility model provides a centring disk and electroacoustic converter for electroacoustic converter, in the centring disk, two cantilever central symmetry in the cantilever group can provide more balanced holding power, and the cantilever itself is the wavy structure of height fluctuation, can increase the elasticity and the flexible volume of centring disk, effectively restrain the voice coil loudspeaker voice coil and roll the vibration, can also prolong the life of centring disk simultaneously. The electroacoustic transducer with the centering support sheet for the electroacoustic transducer can realize larger amplitude on the basis of ensuring the structural stability. The wave crest of the wavy structure is not higher than the top surface of the inner fixing part, and the wave trough is not lower than the bottom surface of the inner fixing part, so that the probability of contact between the cantilever and other parts is greatly reduced, and the acoustic performance of the electroacoustic transducer is ensured.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. Centering support piece for electroacoustic transducer, including interior fixed part, outer fixed part and connection a plurality of cantilevers of interior fixed part and outer fixed part, its characterized in that: the number is a plurality of the cantilever divide into at least a set of cantilever group, every group the cantilever group all includes centrosymmetric two the cantilever, the cantilever is the wavy structure of heave and heave.
2. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: the top surface of the inner fixing part and the top surface of the outer fixing part are arranged in a coplanar manner, and the bottom surface of the inner fixing part and the bottom surface of the outer fixing part are arranged in a coplanar manner.
3. The centering chip for an electroacoustic transducer as claimed in claim 2, wherein: the wave crest of the wavy structure is not higher than the top surface of the inner fixing part.
4. The centering chip for an electroacoustic transducer as claimed in claim 2, wherein: the wave trough of the wavy structure is not lower than the bottom surface of the inner fixing part.
5. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: a first connection area is formed on the outer side of the inner fixing portion, a second connection area is arranged on the inner side of the outer fixing portion, and two ends of the cantilever are connected with the first connection area and the second connection area respectively.
6. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: the inner fixing part is integrally in a ring frame shape.
7. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: the outer fixing part is integrally in a ring frame shape.
8. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: the centering support sheet for the electroacoustic transducer is an FPC (flexible printed circuit), a PEEK (polyether-ether-ketone) film material, a TPEE (thermoplastic elastomer) film material, a TPU (thermoplastic polyurethane) film material, an LCP (liquid Crystal Polymer) film material or a rubber film material.
9. The centering chip for an electroacoustic transducer as claimed in claim 1, wherein: the centering support sheet for the electroacoustic transducer is a composite membrane material formed by compounding at least two of PEEK membrane material, TPEE membrane material, TPU membrane material, LCP membrane material and rubber membrane material.
10. An electro-acoustic transducer, characterized by: a centering chip for an electroacoustic transducer comprising any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220491670.8U CN218103500U (en) | 2022-03-04 | 2022-03-04 | Centering support for electroacoustic transducer and electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220491670.8U CN218103500U (en) | 2022-03-04 | 2022-03-04 | Centering support for electroacoustic transducer and electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218103500U true CN218103500U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220491670.8U Active CN218103500U (en) | 2022-03-04 | 2022-03-04 | Centering support for electroacoustic transducer and electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218103500U (en) |
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2022
- 2022-03-04 CN CN202220491670.8U patent/CN218103500U/en active Active
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