CN216673281U

CN216673281U - Loudspeaker

Info

Publication number: CN216673281U
Application number: CN202220305376.3U
Authority: CN
Inventors: 童志华; 曾志和
Original assignee: Shenzhen Luxshare Acoustics Technology Ltd
Current assignee: Shenzhen Luxshare Acoustics Technology Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-06-03
Anticipated expiration: 2032-02-15
Also published as: TWM629249U

Abstract

The application discloses speaker includes: magnetic component, voice coil assembly, two coupling assembling and vibration subassembly. The magnetic component comprises a magnetic body and a magnetic conduction piece, and the magnetic body is positioned on the magnetic conduction piece. The voice coil assembly is located within the magnetic assembly. Two coupling assembling set up respectively in the both ends of voice coil loudspeaker voice coil subassembly, and every coupling assembling includes connecting piece and centering piece, and the one end of connecting piece sets up in the voice coil loudspeaker voice coil subassembly, and the one end of centering piece is connected to the other end of connecting piece. The vibration subassembly sets up on the magnetic component, and the other end of centering piece is fixed in the vibration subassembly. This application falls into the structure combination of two parts (non-integrated into one piece) with voice coil loudspeaker voice coil subassembly and coupling assembling, and coupling assembling is used for the joint support voice coil loudspeaker voice coil subassembly, can avoid direct both ends through voice coil loudspeaker voice coil subassembly to extend and carry out the joint support, and leads to the junction of voice coil loudspeaker voice coil subassembly to cause the deformation because of supporting, and then influences the efficiency of voice coil loudspeaker voice coil subassembly.

Description

Loudspeaker

Technical Field

The application relates to the technical field of voice coil and magnetic body resonance sound production, especially, relate to a speaker.

Background

In the prior art, after audio current is introduced into a voice coil (i.e., an annular coil) of a common speaker, the voice coil generates an alternating magnetic field under the action of the current, and a permanent magnetic body also generates a constant magnetic field with unchanged magnitude and direction. Because the size and direction of the magnetic field generated by the voice coil are continuously changed along with the change of the audio current, the interaction of the two magnetic fields enables the voice coil to move in a direction vertical to the current direction in the voice coil, the voice coil drives the vibration film to vibrate, and the vibration surface of the air is caused by the vibration of the vibration film to make a sound. In general, a speaker manufactured with a voice coil needs two leads extending from the voice coil for conducting electricity, and the two leads are used for connecting electricity and fixing the position of the voice coil. When two leads extend outwards from the voice coil to serve as the structure for fixing the voice coil, the two leads need to bear the weight of the voice coil, and the connection between the voice coil and the leads is easy to deform, so that the efficiency of the voice coil is affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a loudspeaker, solves present loudspeaker and can cause the voice coil loudspeaker voice coil deformation, and then influences the problem of voice coil loudspeaker voice coil efficiency.

In order to solve the technical problem, the present application is implemented as follows:

there is provided a speaker including: magnetic component, voice coil assembly, two coupling assembling and vibration subassembly. The magnetic component comprises a magnetic body and a magnetic conduction piece, and the magnetic body is positioned on the magnetic conduction piece. At least a portion of the voice coil assembly is located within the magnetic assembly. Two coupling assembling set up respectively in the both ends of voice coil loudspeaker voice coil subassembly, and every coupling assembling includes connecting piece and centering piece, and the one end of connecting piece sets up in the voice coil loudspeaker voice coil subassembly, and the one end of centering piece is connected to the other end of connecting piece. The vibration subassembly sets up on the magnetic component, and the other end of centering piece is fixed in the vibration subassembly.

In one embodiment, the centering support further includes a conductive plate and two conductive support plates, the conductive plate is disposed between the two conductive support plates, two ends of the conductive plate are exposed from the two conductive support plates, and the other end of the connecting member is connected to one end of the conductive plate.

In one embodiment, the centering branch piece is in an S-shaped bent structure.

In one embodiment, the voice coil assembly and the spider are perpendicular to each other, and the connecting member is connected between the voice coil assembly and the spider in an L-shaped structure.

In one embodiment, the voice coil assembly further includes a substrate, two voice coils and two supporting plates, the two voice coils are respectively disposed on two sides of the substrate, the two supporting plates are respectively disposed on outer sides of the two voice coils, one ends of the two voice coils are exposed from the two supporting plates, and one ends of the connecting members of the two connecting members are connected to the two voice coils exposed from the two supporting plates.

In one embodiment, the number of the magnetic bodies is two, the magnetic conducting member has a magnetic conducting through hole, the magnetic bodies are located at two sides of the magnetic conducting through hole, the voice coil assembly is located in the magnetic conducting through hole, and the two magnetic bodies of the magnetic assembly respectively correspond to the two voice coils of the voice coil assembly.

In one embodiment, the two magnetic bodies are opposite to each other, and the different magnetic poles of the two magnetic bodies are opposite to each other.

In one embodiment, the voice coil module further includes an auxiliary magnetic conducting member having an auxiliary magnetic conducting through hole, the auxiliary magnetic conducting member is disposed on the magnetic body, and the voice coil assembly is disposed in the auxiliary magnetic conducting through hole.

In one embodiment, the vibration assembly includes a support and a diaphragm, the diaphragm is disposed on the support, and the diaphragm is connected to one side of the voice coil assembly.

In one embodiment, the centering support further comprises a connecting piece, and the connecting piece is fixedly connected between the other end of the centering support and the support.

The application provides a loudspeaker, its structure combination through dividing into two parts (non-integrated into one piece) with voice coil loudspeaker voice coil subassembly and coupling assembling, coupling assembling is used for the joint support voice coil loudspeaker voice coil subassembly, can avoid direct both ends through voice coil loudspeaker voice coil subassembly to extend and carry out the joint support, and leads to the junction of voice coil loudspeaker voice coil subassembly to cause the deformation because of supporting, and then influences the efficiency of voice coil loudspeaker voice coil subassembly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of a loudspeaker of the present application;

FIG. 2 is a sectional view taken along line A-A' of FIG. 1;

FIG. 3 is a sectional view taken along line B-B' of FIG. 1;

fig. 4 is an exploded view of the loudspeaker of the present application;

FIG. 5 is an exploded view of the voice coil assembly and coupling assembly of the present application;

FIG. 6 is another exploded view of the loudspeaker of the present application; and

fig. 7 is a further exploded view of the loudspeaker of the present application.

The following is explained in conjunction with the drawings:

1, a loudspeaker; 11, a magnetic component; 111, a magnetic body; 112, a magnetic conduction piece; 1121 magnetic penetration hole; 13, a voice coil assembly; 131 a substrate; 132 a voice coil; 1321, a ring part; 1322 is a connecting part; 133, a support plate; 15, connecting the components; 151 is a connecting piece; 152, centering support piece; 1521 conductive plate; 1522, a conductive support plate; 1523 hollow holes; 153 connecting pieces; 17, a vibration component; 171, a bracket; 172, a vibrating diaphragm; 173, paste in the middle; 19, an auxiliary magnetic conduction piece; 191 auxiliary magnetic conduction through holes.

Detailed Description

Embodiments of the present application are illustrated in the drawings and, for purposes of clarity, numerous implementation details are set forth in the following description. It should be understood, however, that these implementation details should not be used to limit the application. That is, in some embodiments of the present application, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings. In the following embodiments, the same or similar components will be denoted by the same reference numerals.

Referring to fig. 1 to 4, fig. 1 is a perspective view of a speaker of the present application, fig. 2 is a sectional view taken along line a-a 'of fig. 1, fig. 3 is a sectional view taken along line B-B' of fig. 1, and fig. 4 is an exploded view of the speaker. As shown, the present application provides a loudspeaker 1 comprising: magnetic assembly 11, voice coil assembly 13, two connecting assemblies 15 and vibrating assembly 17. The magnetic assembly 11 includes a magnetic body 111 and a magnetic conductive member 112, and the magnetic body 111 is located on the magnetic conductive member 112. At least a portion of the voice coil assembly 13 is located within the magnetic assembly 11. The two connecting assemblies 15 are respectively disposed at two ends of the voice coil assembly 13, each connecting assembly 15 includes a connecting member 151 and a centering pad 152, one end of the connecting member 151 is disposed on the voice coil assembly 13, and the other end of the connecting member 151 is connected to one end of the centering pad 152. The vibration assembly 17 is disposed on the magnetic assembly 11, and the other end of the centering disk 152 is fixed to the vibration assembly 17. It is understood that two connecting assemblies 15 are shown in this embodiment by way of example only, and the number of connecting assemblies 15 may be increased according to actual needs, i.e. not limited to two.

Fig. 5 is an exploded view of the voice coil assembly and the connecting assembly according to the present application. In this embodiment, the voice coil assembly 13 further includes a substrate 131, two voice coils 132 and two supporting plates 133, the two voice coils 132 are respectively disposed on two lateral sides of the substrate 131, the two supporting plates 133 are respectively disposed on outer lateral sides of the two voice coils 132, one end of each of the two voice coils 132 is exposed from the two supporting plates 133, and one end of each of the connecting members 151 of the two connecting assemblies 15 is connected to the two voice coils 132 exposed from the two supporting plates 133. The voice coil 132 includes a ring portion 1321 and a connecting portion 1322, and the connecting portion 1322 is connected to one side of the ring portion 1321. The wire is wound around the annular portion 1321 a plurality of times, and the annular portion 1321 extends outward to form the connecting portion 1322. The annular portion 1321 and the connection portion 1322 of the voice coil 132 are disposed on both sides of the substrate 131, the support plate 133 covers the annular portion 1321 of the voice coil 132, and the support plate 133 does not cover the connection portion 1322 of the voice coil 132, so that the connection portion 1322 is exposed to the outside.

Furthermore, the centering support 152 further includes a conductive plate 1521 and two conductive support plates 1522, the conductive plate 1521 is disposed between the two conductive support plates 1522, two ends of the conductive plate 1521 are exposed from the two conductive support plates 1522, and the other ends of the connecting members 151 of the two connecting members 15 are connected to the two conductive plates 1521 exposed from the two conductive support plates 1522. The length of one end of the conductive support plate 1522 located above the conductive plate 1521 is shorter, and then one end of the conductive plate 1521 is exposed. The other end of the conductive support plate 1522 located below the conductive plate 1521 has a hollow hole 1523, and the other end of the conductive plate 1521 is exposed out of the hollow hole 1523. Thus, one end of the conductive plate 1521 is exposed from the upper surface of the conductive support plate 1522, and the other end of the conductive plate 1521 is exposed from the lower surface of the other conductive support plate 1522. In addition, the S-shaped bending structure of the stiffener 152 helps to strengthen the structural strength and supporting force for supporting the voice coil 132.

In this embodiment, the voice coil assembly 13 and the damper 152 are perpendicular to each other, the connection member 151 is in an L-shaped structure, a side surface of the connection member 151 is connected to the connection portion 1322 of the voice coil 132, and a bottom surface of the connection member 151 is connected to one end of the conductive plate 1521 of the damper 152. Wherein, the connecting member 151 is made of a metal material. The two connection units 15 are provided on opposite sides and opposite ends of the voice coil unit 13, respectively.

The present embodiment realizes the flattening of the voice coil assembly 13 by using the circuit board and the coil of the multilayer board, enabling the size design of the speaker to be smaller than the general conventional size. And then the connecting piece 151 made of metal is fixed between the voice coil assembly 13 and the centering disk 152, so that the connecting piece 151 has high structural strength and is not easy to deform. Moreover, the structural strength of the spider 152 can provide effective support at two ends of the voice coil assembly 13, so as to prevent the two ends of the voice coil assembly 13 from being deformed or broken due to the support, or prevent the two ends of the voice coil assembly 13 from having low support strength, which may cause unnecessary vibration and further affect the performance of the voice coil assembly 13.

Referring to fig. 6 and 7, fig. 6 is another exploded view of the speaker of the present application and fig. 7 is another exploded view. As shown, in the present embodiment, the voice coil assembly 13 is located in the magnetic assembly 11. The magnetic assembly 11 includes two magnetic bodies 111 and two magnetic conductive members 112, the magnetic conductive member 112 has two magnetic conductive through holes 1121, the magnetic bodies 111 are located at two sides of the magnetic conductive through holes 1121, the voice coil assembly 13 is located in the magnetic conductive through holes 1121, and the two magnetic bodies 111 of the magnetic assembly 11 respectively correspond to two sides of the two voice coils 132 of the voice coil assembly 13. The two magnetic bodies 111 are opposite to each other, and the different magnetic poles at the upper and lower ends of the two magnetic bodies 111 are opposite to each other (see fig. 3), that is, the N pole of the magnetic body 111 corresponds to the S pole of the other magnetic body 111, and the S pole of the magnetic body 111 corresponds to the N pole of the other magnetic body 111.

Furthermore, the vibration assembly 17 includes a support 171 and a diaphragm 172, the diaphragm 172 is disposed on the support 171, the support 171 is located on the periphery of the diaphragm 172, and the diaphragm 172 is connected to one side of the voice coil assembly 13. I.e., the top edge of the voice coil assembly 13 is connected to the vibration assembly 17. The vibration assembly 17 further includes a middle paste 173, and the middle paste 173 is disposed on a side of the diaphragm 172 away from the voice coil assembly 13. Center paste 173 may be used to reinforce the structural strength of diaphragm 172. The voice coil assembly 13 is exposed from the conductive plate 1521 of the through hole 1523 through the connection assembly 15 and connected to an external power source. The connecting member 15 further includes a connecting piece 153, and the connecting piece 153 is connected and fixed between the other end of the damper 152 and the bracket 171, that is, the surface of the other end of the damper 152 without the hollow hole 1523 is connected and fixed under the bracket 171.

In this embodiment, the external power source simultaneously passes through the two connecting components 15 and the conductive plate 1521 exposed in the hollow hole 1523 to the two voice coils 132. The two voice coils 132 generate a magnetic field under the action of the current. Thus, the magnitude and direction of the magnetic field generated by the two voice coils 132 can be changed by changing the magnitude of the current respectively flowing through the two voice coils 132. The two voice coils 132 interact with the magnetic fields of the two magnetic bodies 111 respectively, so that the two voice coils 132 generate vibration orthogonal to the current direction, and one side of the two voice coils 132 drives the diaphragm 172 to generate vibration to generate sound. The magnetic conductive member 112 can cover most of the magnetic field lines of the magnetic body 111, and the magnetic conductive member 112 can help to concentrate the magnetic field lines of the magnetic body 111, so that the magnetic body 111 and the voice coil 132 can have a good resonance effect.

Referring back to fig. 6 and 7, in the present embodiment, the speaker 1 further includes an auxiliary magnetic conducting member 19, the auxiliary magnetic conducting member 19 has an auxiliary magnetic conducting through hole 191, the auxiliary magnetic conducting member 19 is disposed on the magnetic body 111, the auxiliary magnetic conducting through hole 191 is located between the two magnetic bodies 111, and the voice coil assembly 13 is located in the auxiliary magnetic conducting through hole 191. In this embodiment, the auxiliary magnetic conductive member 19 is further disposed on the magnetic body 111, so that the auxiliary magnetic conductive member 19 also contributes to the concentration of the magnetic lines of force of the magnetic body 111, thereby enhancing the magnetic field effect generated by the magnetic body 111.

To sum up, the application provides a speaker, it is through the structure combination that falls into two parts (non-integrated into one piece) with voice coil loudspeaker voice coil subassembly and coupling assembling, and coupling assembling is used for the joint support voice coil loudspeaker voice coil subassembly, can avoid direct both ends through voice coil loudspeaker voice coil subassembly to extend and carry out the joint support, and leads to the junction of voice coil loudspeaker voice coil subassembly to cause the deformation because of supporting, and then influences the efficiency of voice coil loudspeaker voice coil subassembly.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the foregoing specification illustrates and describes several preferred embodiments of this application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed herein, either by the above teachings or by the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A loudspeaker, characterized in that it comprises:

the magnetic component comprises a magnetic body and a magnetic conduction piece, and the magnetic body is positioned on the magnetic conduction piece;

a voice coil assembly, at least a portion of which is located within the magnetic assembly;

the two connecting assemblies are respectively arranged at two ends of the voice coil assembly, each connecting assembly comprises a connecting piece and a centering support piece, one end of each connecting piece is arranged on the voice coil assembly, and the other end of each connecting piece is connected with one end of the centering support piece; and

the vibration assembly is arranged on the magnetic assembly, and the other end of the centering support sheet is fixed on the vibration assembly.

2. The speaker of claim 1, wherein the damper further comprises a conductive plate and two conductive support plates, the conductive plate is disposed between the two conductive support plates, two ends of the conductive plate are exposed from the two conductive support plates, and the other end of the connecting member is connected to one end of the conductive plate.

3. The loudspeaker of claim 2 wherein said centering disk is of S-bend configuration.

4. The loudspeaker of claim 1 wherein said voice coil assembly and said spider are perpendicular to each other, said connector being connected between said voice coil assembly and said spider in an L-shaped configuration.

5. The speaker of claim 1, wherein the voice coil assembly further comprises a substrate, two voice coils and two supporting plates, the two voice coils are respectively disposed on two sides of the substrate, the two supporting plates are respectively disposed on outer sides of the two voice coils, one end of each of the two voice coils is exposed from the two supporting plates, and one end of the connecting member of the two connecting members is connected to the two voice coils exposed from the two supporting plates.

6. The loudspeaker of claim 5, wherein there are two of said magnets, said flux guide having a flux guide aperture, said magnets being positioned on opposite sides of said flux guide aperture, said voice coil assembly being positioned in said flux guide aperture, and said two magnets of said magnetic assembly corresponding to said two voice coils of said voice coil assembly, respectively.

7. The loudspeaker of claim 6, wherein said two magnetic bodies are opposed to each other, and different magnetic poles of said two magnetic bodies are opposed to each other.

8. The loudspeaker of claim 1, further comprising an auxiliary flux guide having an auxiliary flux guide aperture, wherein the auxiliary flux guide is disposed on the magnetic body, and wherein the voice coil assembly is disposed in the auxiliary flux guide aperture.

9. The loudspeaker of claim 1, wherein the vibration assembly comprises a frame and a diaphragm, the diaphragm being disposed on the frame, the diaphragm being coupled to one side of the voice coil assembly.

10. The loudspeaker of claim 9, further comprising a connecting piece connected and fixed between the other end of the centering branch piece and the bracket.