CN215420738U - Novel voice coil loudspeaker voice coil, vibration subassembly and miniature speaker - Google Patents
Novel voice coil loudspeaker voice coil, vibration subassembly and miniature speaker Download PDFInfo
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- CN215420738U CN215420738U CN202120628174.8U CN202120628174U CN215420738U CN 215420738 U CN215420738 U CN 215420738U CN 202120628174 U CN202120628174 U CN 202120628174U CN 215420738 U CN215420738 U CN 215420738U
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Abstract
The utility model discloses a novel voice coil, which comprises a main body, wherein the main body is of a multi-coil multi-layer structure formed by winding a wire, and the cross section of the wire is rectangular; the novel voice coil, the vibration assembly and the micro loudspeaker provided by the utility model can effectively reduce the gap between the wires, solve the problem that the wires are not arranged tightly enough, are beneficial to improving the space utilization rate, and increase the total length of the voice coil in the magnetic gap, thereby achieving the purpose of improving the acoustic performance of the micro loudspeaker; the top of the outer side of the main body is provided with the bonding part, so that the bonding area of the voice coil and the vibrating diaphragm is increased, and the connection strength is improved; in addition, the winding mode of main part and the mode of setting up of bonding portion are diversified, do benefit to the structural diversity who richens micro loudspeaker and are strong.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a novel voice coil, a vibration assembly and a micro speaker.
Background
A micro speaker is widely used as an electroacoustic transducer in microelectronic devices such as smart phones, camcorders, cameras, and notebook computers.
At present, a conventional electroacoustic transducer usually includes a vibration component, and a voice coil in the vibration component is one of important components of the electroacoustic transducer, and after the current is conducted, the voice coil in the vibration component cuts a magnetic induction line to perform mechanical vibration, so as to drive a diaphragm to vibrate and make a sound.
The existing traditional voice coil is usually formed by winding a circular enameled wire with a cross section, the cross section of the circular enameled wire has the problems that the gap between the wire and the wire is large, the arrangement is not tight enough, the space utilization rate is low, and the total length of the voice coil in a magnetic gap is limited, so that the improvement of the loudness and sensitivity of the voice coil is limited, and the acoustic performance of the micro-speaker is adversely affected.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided are a novel voice coil capable of improving acoustic performance of a micro-speaker, a vibration assembly, and a micro-speaker having the same.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a novel voice coil loudspeaker voice coil, includes the main part, the main part is the multiturn multilayer structure that forms by the wire rod coiling, the cross section of wire rod is the rectangle.
Furthermore, the unilateral section of the main body comprises a plurality of cross sections, and the adjacent sides of two adjacent cross sections have the same side length.
Furthermore, the corners of each cross section are respectively provided with a chamfer, and the adjacent four chamfers of the cross sections form a quadrilateral gap.
Further, in the single-side cross section of the main body, the top edges of the cross sections in the same layer are collinear, and the side edges of the same side of each cross section in the same column are collinear.
Furthermore, the top of the outer side of the main body is provided with an adhesive part.
Furthermore, M × N cross sections are removed from the top of the outer side of the main body to form the bonding part, wherein M is greater than or equal to 1 and N is greater than or equal to 1.
Further, the top edge and the bottom edge of at least one part of the cross section are long edges.
Furthermore, the left side and the right side of at least one part of the cross section are long sides.
In order to solve the technical problems, the utility model also adopts the following technical scheme: novel vibration subassembly, including above-mentioned novel voice coil loudspeaker voice coil.
In order to solve the technical problems, the utility model also adopts the following technical scheme: a micro speaker comprises the novel voice coil.
The utility model has the beneficial effects that: the wire with the rectangular cross section is adopted to wind the voice coil, so that the gap between the wires can be effectively reduced, the problem that the wires are not tightly arranged is solved, the improvement of the space utilization rate is facilitated, the total length of the voice coil in the magnetic gap is increased, the effects of enhancing the loudness and sensitivity of the micro-speaker are achieved, and the purpose of optimizing the acoustic performance of the micro-speaker is achieved.
Drawings
FIG. 1 is a schematic illustration of a single-sided cross-section of a prior art voice coil;
fig. 2 is a schematic diagram of a single-sided cross section of a novel voice coil according to an embodiment of the utility model.
Description of reference numerals:
1. a wire rod; 2. a cross-section; 3. a quadrilateral notch;
4. and an adhesive part.
Detailed Description
In order to explain technical contents, achieved objects, and 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 and 2, a novel voice coil includes a main body, the main body is a multi-turn multi-layer structure formed by winding a wire 1, and a cross section 2 of the wire 1 is rectangular.
From the above description, the beneficial effects of the present invention are: the voice coil is wound by the wire 1 with the rectangular cross section 2, so that the gap between the wire 1 can be effectively reduced, the problem that the wire 1 is not tightly arranged is solved, the improvement of the space utilization rate is facilitated, the total length of the voice coil in a magnetic gap is increased, the effects of enhancing the loudness and sensitivity of the micro-speaker are achieved, and the purpose of optimizing the acoustic performance of the micro-speaker is achieved.
Further, the single-side section of the main body comprises a plurality of the cross sections 2, and the adjacent sides of two adjacent cross sections 2 have the same side length.
As can be seen from the above description, the adjacent sides of the two adjacent cross sections 2 have the same side length, so that the two adjacent cross sections 2 can be perfectly attached to each other, the gap between the wires 1 can be further reduced, and the space utilization rate can be improved.
Furthermore, the corners of each cross section 2 are respectively provided with a chamfer, and the chamfers of four adjacent cross sections 2 form a quadrilateral gap 3.
As can be seen from the above description, the four adjacent chamfers of the cross section 2 form a quadrilateral gap 3, that is, the chamfers between the four adjacent layers of wires 1 are connected to form a cavity, and the cavity can be used as a glue accommodating cavity and a deformation cavity.
Further, in the single-side cross section of the main body, the top sides of the cross sections 2 in the same layer are collinear, and the same side sides of the cross sections 2 in the same column are collinear.
As can be seen from the above description, the top edges of the cross sections 2 on the same layer in the single-side cross section of the main body are arranged in a collinear manner, so that the flatness of the bonding surface between the voice coil and the diaphragm assembly is ensured, the bonding strength between the voice coil and the diaphragm assembly is improved, and the voice coil is prevented from falling off due to external force; the same side edges of the cross sections 2 in the same row are collinear, so that the gap between the wire rods 1 is further reduced, and the space utilization rate is improved.
Further, the top of the outer side of the main body is provided with an adhesive part 4.
As can be seen from the above description, the adhesive part 4 is disposed on the top of the outer side of the main body, which can effectively increase the adhesive area between the voice coil and the diaphragm assembly in the micro-speaker, and enhance the adhesive strength between the voice coil and the diaphragm assembly.
Furthermore, the bonding portion 4 is formed by removing M × N cross sections 2 from the top of the outer side of the main body, where M is greater than or equal to 1 and N is greater than or equal to 1.
As can be seen from the above description, the specific arrangement of the bonding portion 4 is various, which is beneficial to enrich the structural diversity of the voice coil.
Further, the top and bottom edges of at least a part of the cross section 2 are long edges.
Further, at least a part of the left side and the right side of the cross section 2 are long sides.
As can be seen from the above description, the winding manner of the wire 1 is various, and the structural diversity of the voice coil is further enriched.
A novel vibration component comprises the novel voice coil.
A micro-speaker comprises the novel voice coil.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: the utility model provides a novel voice coil loudspeaker voice coil, includes the main part, the main part is the multiturn multilayer structure that forms by 1 coiling of wire rod, 2 cross sections of wire rod 1 are the rectangle, in this embodiment, 2 cross sections of wire rod 1 are rectangle.
As shown in fig. 2, the single-sided section of the main body includes a plurality of the cross sections 2, in this embodiment, the single-sided section of the main body includes 32 cross sections 2 in nine rows and four columns, and the adjacent sides of two adjacent cross sections 2 have the same side length.
Preferably, each the bight of cross section 2 is equipped with the chamfer respectively, promptly the edges and corners chamfer of wire rod 1 is handled, adjacent four the chamfer of cross section 2 forms a quadrangle breach 3, and adjacent two are indulged two and are violently linked together the chamfer between the total four rings of wire rod 1 and form the cavity promptly, in this embodiment, be equipped with the autohension lacquer on the wire rod 1, each layer wire rod 1 is through closely laminating round the process to through the autohension lacquer more closely together, when carrying out round the process, the cavity can for wire rod 1 provides the deformation space.
Referring to fig. 2, in the single-sided cross section of the main body, the top sides of the cross sections 2 in the same layer are collinear, and the side sides of the same side of the cross sections 2 in the same column are collinear.
Preferably, the top of the outer side of the main body is provided with an adhesion part 4, specifically, M × N cross sections 2 are removed from the top of the outer side of the main body to form the adhesion part 4, M is greater than or equal to 1 and N is greater than or equal to 1, in this embodiment, M is 4, and N is 1.
Optionally, the top and bottom edges of at least a part of the cross section 2 are long edges.
Optionally, at least a part of the left side and the right side of the cross section 2 are long sides.
In this embodiment, the top and bottom sides of all the cross sections 2 are long sides.
Example two
The second embodiment of the utility model is as follows: novel vibration subassembly, including above-mentioned novel voice coil loudspeaker voice coil.
Specifically, novel vibration subassembly is still including locating novel voice coil loudspeaker voice coil on the vibrating diaphragm subassembly, the vibrating diaphragm subassembly with the top surface of novel voice coil loudspeaker voice coil bonds, and is preferred, the bottom surface of vibrating diaphragm subassembly be equipped with be used for with 4 complex bosss of bonding portion, the boss with 4 bonds of bonding portion.
Further, the vibrating diaphragm component comprises a vibrating diaphragm and a ball top arranged on the vibrating diaphragm, and the ball top is arranged in the middle area of the vibrating diaphragm.
EXAMPLE III
The third embodiment of the utility model is as follows: miniature speaker, including basin frame, novel voice coil loudspeaker voice coil, vibrating diaphragm subassembly and magnetic circuit subassembly, novel voice coil loudspeaker voice coil is located in the basin frame, the vibrating diaphragm subassembly is connected the basin frame with the voice coil loudspeaker voice coil, magnetic circuit subassembly is located on the basin frame.
Specifically, the vibrating diaphragm subassembly includes the vibrating diaphragm, the vibrating diaphragm is located on the basin frame, the top surface of novel voice coil loudspeaker voice coil with the vibrating diaphragm bonds, the middle part region of vibrating diaphragm is equipped with the ball top.
Furthermore, the magnetic circuit component comprises a magnetic cover and a magnetic steel component arranged on the magnetic cover, and the magnetic cover is arranged on the basin frame.
In conclusion, the novel voice coil, the vibration assembly and the micro-speaker provided by the utility model can effectively reduce the gap between the wires, solve the problem that the wires are not arranged tightly enough, are beneficial to improving the space utilization rate, and increase the total length of the voice coil in the magnetic gap, thereby achieving the purpose of improving the acoustic performance of the micro-speaker; the top of the outer side of the main body is provided with the bonding part, so that the bonding area of the voice coil and the vibrating diaphragm is increased, and the connection strength is improved; in addition, the winding mode of main part and the mode of setting up of bonding portion are diversified, do benefit to the structural diversity who richens micro loudspeaker and are strong.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a novel voice coil loudspeaker voice coil, includes the main part, the main part is the multiturn multilayer structure that forms by the wire rod coiling, its characterized in that: the cross section of the wire rod is rectangular; the unilateral section of the main body comprises a plurality of cross sections, and the adjacent sides of two adjacent cross sections have the same side length; and corners of each cross section are respectively provided with a chamfer, and the adjacent four chamfers of the cross sections form a quadrilateral gap.
2. The novel voice coil of claim 1, wherein: in the unilateral cross section of the main body, the top edges of the cross sections positioned on the same layer are collinear, and the side edges of the same side of the cross sections positioned on the same column are collinear.
3. The novel voice coil of claim 1, wherein: the top of the outer side of the main body is provided with a bonding part.
4. The novel voice coil of claim 3, wherein: and removing M x N cross sections from the top of the outer side of the main body to form the bonding part, wherein M is greater than or equal to 1, and N is greater than or equal to 1.
5. The novel voice coil of claim 1, wherein: the top edge and the bottom edge of at least one part of the cross section are long edges.
6. The novel voice coil of claim 1, wherein: at least a part of the left side and the right side of the cross section are long sides.
7. A novel vibration subassembly which characterized in that: comprising the novel voice coil according to any one of claims 1 to 6.
8. A micro-speaker, characterized by: comprising the novel voice coil according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628174.8U CN215420738U (en) | 2021-03-26 | 2021-03-26 | Novel voice coil loudspeaker voice coil, vibration subassembly and miniature speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628174.8U CN215420738U (en) | 2021-03-26 | 2021-03-26 | Novel voice coil loudspeaker voice coil, vibration subassembly and miniature speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215420738U true CN215420738U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120628174.8U Active CN215420738U (en) | 2021-03-26 | 2021-03-26 | Novel voice coil loudspeaker voice coil, vibration subassembly and miniature speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215420738U (en) |
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2021
- 2021-03-26 CN CN202120628174.8U patent/CN215420738U/en active Active
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