CN219612021U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN219612021U CN219612021U CN202320793261.8U CN202320793261U CN219612021U CN 219612021 U CN219612021 U CN 219612021U CN 202320793261 U CN202320793261 U CN 202320793261U CN 219612021 U CN219612021 U CN 219612021U
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- Prior art keywords
- magnetic circuit
- circuit assembly
- loudspeaker
- assembly
- mounting
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Abstract
The utility model relates to a loudspeaker, which comprises a vibrating diaphragm assembly, a magnetic circuit assembly and a basin frame, wherein the vibrating diaphragm assembly is used for vibration, the magnetic circuit assembly is used for providing a magnetic field for the vibrating diaphragm assembly, the basin frame is arranged around the vibrating diaphragm assembly and the magnetic circuit assembly, the basin frame is elastically connected with the vibrating diaphragm assembly, the loudspeaker also comprises a shell and a cover plate, the vibrating diaphragm assembly, the magnetic circuit assembly and the basin frame are positioned in the shell, the cover plate is covered on the shell, the cover plate comprises a supporting part and a damping part which are mutually connected, the damping part is composed of damping materials, the supporting part is arranged around the damping part, the supporting part is connected with a cover body, the damping part is abutted against the magnetic circuit assembly, and the magnetic circuit assembly can move relative to the basin frame and is used for reducing noise generated when the loudspeaker works.
Description
Technical Field
The utility model relates to the technical field of electroacoustic transduction, in particular to a loudspeaker.
Background
With the development of technology, various electronic devices are being used more and more, and speakers make devices capable of realizing sound-producing functions, which are provided in other devices such as cellular phones, computers, car bodies, and the like, in addition to being used alone. During operation of the loudspeaker, the vibrating diaphragm can vibrate to make sound, but the vibration of the vibrating diaphragm can be conducted to other parts of the loudspeaker, so that the whole loudspeaker or the whole equipment vibrates, and finally the noise is generated.
Disclosure of Invention
The utility model provides a loudspeaker, which is used for reducing noise generated when the loudspeaker works.
The utility model provides a loudspeaker comprising:
the vibrating diaphragm assembly is used for vibrating and sounding;
a magnetic circuit assembly for providing a magnetic field to the diaphragm assembly;
the basin stand surrounds the vibrating diaphragm assembly and the magnetic circuit assembly, and is elastically connected with the vibrating diaphragm assembly;
the vibrating diaphragm assembly, the magnetic circuit assembly and the basin stand are positioned in the shell;
the cover plate is covered on the shell, the cover plate comprises a supporting portion and a damping portion which are connected with each other, the supporting portion surrounds the damping portion, the supporting portion is connected with the shell, the damping portion is abutted to the magnetic circuit assembly, and the magnetic circuit assembly can move relative to the basin frame.
In one possible embodiment, the damping portion is made of rubber or foam.
In one possible embodiment, the support portion has a first fitting unit, the damping portion has a second fitting unit, and the first fitting unit and the second fitting unit are connected to each other in a fitting manner, and projections in a thickness direction of the speaker overlap.
In one possible embodiment, the speaker includes a spring piece elastically connecting the magnetic circuit assembly and the tub.
In one possible embodiment, the elastic sheet includes a first mounting portion, a second mounting portion, and a connecting portion, the connecting portion connects the first mounting portion and the second mounting portion, the first mounting portion and the basin stand are connected, and the second mounting portion and the magnetic circuit assembly are connected.
In one possible embodiment, the second mounting portions are provided with first mounting portions respectively on both sides in the speaker width direction, and the first mounting portions are connected to the second mounting portions respectively through the connection portions.
In one possible embodiment, the basin stand has a mounting seat protruding in a thickness direction of the speaker, and the first mounting portion is connected to the mounting seat.
In one possible implementation manner, the elastic pieces are respectively located at two sides of the basin frame along the length direction of the loudspeaker, and are respectively connected with the basin frame and the magnetic circuit assembly.
In one possible embodiment, the magnetic circuit assembly includes a magnetic bowl and a magnetic steel, and the second mounting portion is connected to the magnetic bowl.
In one possible embodiment, the damping portion abuts the magnetic bowl.
The utility model provides a loudspeaker, which comprises a vibrating diaphragm assembly, a magnetic circuit assembly and a basin frame, wherein the vibrating diaphragm assembly is used for vibration, the magnetic circuit assembly is used for providing a magnetic field for the vibrating diaphragm assembly, the basin frame is arranged around the vibrating diaphragm assembly and the magnetic circuit assembly, the basin frame is elastically connected with the vibrating diaphragm assembly, the loudspeaker also comprises a shell and a cover plate, the vibrating diaphragm assembly, the magnetic circuit assembly and the basin frame are positioned in the shell, the cover plate is covered on the shell, the cover plate comprises a supporting part and a damping part which are mutually connected, the damping part is made of damping materials, the supporting part is arranged around the damping part, the supporting part is connected with a cover body, the damping part is abutted against the magnetic circuit assembly, and the magnetic circuit assembly can move relative to the basin frame and is used for reducing noise generated when the loudspeaker works.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of one implementation of a speaker provided by an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of I in FIG. 2;
fig. 4 is a schematic diagram showing an internal structure of a speaker according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of an implementation of the elastic sheet according to the embodiment of the present utility model.
Reference numerals:
1-a vibrating diaphragm assembly;
11-a diaphragm;
12-a voice coil;
2-magnetic circuit assembly;
21-a magnetic bowl;
22-magnetic steel;
3-basin stand;
31-a mounting base;
4-cover plate;
41-a support;
411-a first chimeric unit;
42-damping part;
412-a second chimeric unit;
5-shrapnel;
51-a first mounting portion;
52-a second mounting portion;
53-connecting part;
6-shell.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
Detailed Description
For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should be noted that, the terms "upper", "lower", "left", "right", and the like in the embodiments of the present utility model are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present utility model. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
As shown in fig. 1 and 2, the embodiment of the utility model provides a loudspeaker, which comprises a diaphragm assembly 1, a magnetic circuit assembly 2 and a basin frame 3, wherein the diaphragm assembly 1 is used for vibration generation, the magnetic circuit assembly 2 is used for providing a magnetic field for the diaphragm assembly 1, the basin frame 3 is arranged around the diaphragm assembly 1 and the magnetic circuit assembly 2, and the basin frame 3 is elastically connected with the diaphragm assembly 1. The embodiment of the utility model further comprises a shell 6 and a cover plate 4, wherein the vibrating diaphragm assembly 1, the magnetic circuit assembly 2 and the basin frame 3 are positioned in the shell 6, the cover plate 4 is covered on the shell 6, the cover plate 4 comprises a supporting part 41 and a damping part 42 which are mutually connected, the damping part 42 is made of damping materials, the supporting part 41 is arranged around the damping part 42, the supporting part 41 is connected with the cover body, the damping part 42 is abutted with the magnetic circuit assembly 2, and the magnetic circuit assembly 2 can move relative to the basin frame 3.
The diaphragm assembly 1 comprises a voice coil 12 and a diaphragm 11, the voice coil 12 is connected with the diaphragm 11, and at least part of the voice coil 12 is matched with the magnetic circuit assembly 2. The basin stand 3 is arranged around the magnetic circuit assembly 2 and the vibrating diaphragm assembly 1, and can play a role in supporting and connecting the basin stand. The magnetic circuit assembly 2 can provide a relatively stable magnetic field, when the magnitude and direction of the current in the voice coil 12 are changed, the magnetic field generated by the voice coil 12 is correspondingly changed, the magnetic field generated by the voice coil 12 interacts with the magnetic field generated by the magnetic circuit assembly 2, so that the voice coil 12 can move perpendicular to the current direction in the voice coil 12, and the voice coil 12 and the vibrating diaphragm 11 are connected with each other, when the voice coil 12 moves, the vibrating diaphragm 11 can be driven to move, and air vibration is caused by vibration of the vibrating diaphragm 11, so that sound is generated.
The current speaker magnetic circuit assembly 2 and basin frame 3 fixed connection, when vibration sound production, the produced vibration of vibrating diaphragm assembly 1 can conduct basin frame 3 to arouse the holistic vibration of speaker, when the speaker set up in equipment such as cell-phone, automobile body and computer as the part, still can arouse the complete machine vibration. According to the loudspeaker provided by the embodiment of the utility model, the magnetic circuit assembly 2 is elastically connected with the basin frame 3, specifically, the shell 6 comprises the damping part 42 and the supporting part 41, the supporting part 41 and the damping part 42 can be connected in an injection molding or bonding mode, the supporting part 41 is connected with the shell 6, the damping part 42 can have an elastic supporting effect on the magnetic circuit assembly 2, and when the vibrating diaphragm assembly 1 vibrates, the magnetic circuit assembly 2 can reversely vibrate relative to the vibrating diaphragm assembly 1, so that vibration energy is counteracted, an additional excitation source is not introduced, and noise generated by vibration is reduced.
In one possible embodiment, the damping portion 42 is a rubber material or a foam material.
The damping portion 42 is made of a damping material capable of producing a damping effect, which is capable of converting mechanical vibrations into thermal energy for dissipation, for controlling vibrations and noise. The damping portion 42 can adjust vibration damping of the magnetic circuit assembly 2 to cancel out vibration influence caused by the vibration system. The rubber material or foam material can control vibration and noise, and the physical properties can satisfy speaker work needs, can realize the supporting effect to magnetic circuit assembly 2.
As shown in fig. 2 and 3, in one possible embodiment, the support portion 41 has a first fitting unit 411, the damping portion 42 has a second fitting unit 412, and the first fitting unit 411 and the second fitting unit 412 are connected to each other in a fitting manner, and projections in the thickness direction of the speaker overlap.
The first fitting unit 411 may be stepped or recessed, and the second fitting unit 412 may be provided in a stepped or raised shape to be fitted with the first fitting unit 411, so that the first fitting unit 411 and the second fitting unit 412 can be fitted with each other, facilitating the interconnection of the supporting portion 41 and the damping portion 42. Specifically, the supporting portion 41 and the damping portion 42 may be connected by adhesion, or may be integrally formed by injection molding or the like.
As shown in fig. 2 and 4, in one possible embodiment, the speaker includes a spring plate 5, and the spring plate 5 elastically connects the magnetic circuit assembly 2 and the tub 3.
The elastic sheet 5 is matched with the damping part 42, so that the elastic connection between the magnetic circuit assembly 2 and the basin frame 3 can be realized, and the stability of the magnetic circuit assembly 2 in the movement process relative to the basin frame 3 is improved.
As shown in fig. 5, in one possible embodiment, the elastic sheet 5 includes a first mounting portion 51, a second mounting portion 52, and a connecting portion 53, the connecting portion 53 connects the first mounting portion 51 and the second mounting portion 52, the first mounting portion 51 is connected to the basin stand 3, and the second mounting portion 52 is connected to the magnetic circuit assembly 2.
The first mounting portion 51 and the basin frame 3 are fixedly connected, the second mounting portion 52 and the magnetic circuit assembly 2 are fixedly connected, the first mounting portion 51 and the second mounting portion 52 can be integrally formed with the magnetic circuit assembly 2, the first mounting portion 51 and the second mounting portion 52 are connected through the connecting portion 53, the connecting portion 53 can be arranged to be curved, and the connecting portion 53 is elastic and can be bent and deformed, so that the elastic connection between the magnetic circuit assembly 2 and the basin frame 3 can be achieved, and the magnetic circuit assembly 2 can move relative to the basin frame 3.
As shown in fig. 5, in one possible embodiment, the second mounting portions 52 are provided with first mounting portions 51 on both sides in the speaker width direction, respectively, and the first mounting portions 51 are connected to the second mounting portions 52 by connecting portions 53, respectively.
The second installation department 52 is located between two first installation department 51, and two first installation department 51 are connected with basin frame 3 subassembly respectively, and connecting portion 53 can set up to curved increase connecting portion 53 elasticity, and two connecting portion 53 can play the effect of connecting magnetic circuit assembly 2 and basin frame 3 simultaneously, make connecting portion 53 atress more even, can promote the elasticity of shell fragment 5 simultaneously, promotes the stability when magnetic circuit assembly 2 moves for basin frame 3.
As shown in fig. 4, in one possible embodiment, the tub 3 has a mount 31, the mount 31 is protruded in a thickness direction of the speaker, and the first mount 51 is connected to the mount 31.
The mounting seat 31 can increase the installation height of the first mounting portion 51 in the thickness direction, thereby increasing the overall position height of the spring 5, and the magnetic circuit assembly 2 connected with the basin frame 3 through the spring 5 can also have a corresponding position height. When vibrating diaphragm assembly 1 is vibrating and sounding, mainly follow the thickness direction motion of speaker, the direction of motion of magnetic circuit assembly 2 and vibrating diaphragm assembly 1 is opposite, can make magnetic circuit assembly 2 have sufficient space of motion in the direction of height through setting up mount pad 31.
In one possible embodiment, as shown in fig. 4, the elastic pieces 5 are respectively located at two sides of the frame 3 along the length direction of the speaker, and are respectively used to connect the frame 3 and the magnetic circuit assembly 2.
The shell fragment 5 is connected with the both ends and the basin frame 3 of magnetic circuit assembly 2 along the length direction of speaker respectively, and the shell fragment 5 can provide stable elastic connection for magnetic circuit assembly 2, and when vibrating diaphragm assembly 1 vibrates, magnetic circuit assembly 2 can follow opposite direction motion to offset the vibration energy, reduce the noise that the speaker produced.
As shown in fig. 2, in one possible embodiment, the magnetic circuit assembly 2 includes a magnetic bowl 21 and a magnetic steel 22, and the second mounting portion 52 is connected to the magnetic bowl 21.
The magnetic bowl 21 surrounds the vibrating diaphragm assembly 1 and is used for providing a magnetic field, wherein the magnetic bowl 21 comprises a magnetic bowl 21 bottom plate and a magnetic bowl 21 side wall extending along the thickness direction of the loudspeaker, and the magnetic steel 22 is abutted with the bottom wall of the magnetic bowl 21 and is used for providing a stable magnetic field, can move in the magnetic field when the current in the coil changes and drives the vibrating diaphragm 11 to vibrate and sound. The second mounting portion 52 is connected to the magnetic bowl 21 such that the second mounting portion 52 is fixedly connected to the magnetic circuit assembly 2.
As shown in fig. 2, in one possible embodiment, the damping portion 42 abuts the magnetic bowl 21.
The damping portion 42 can play a supporting role on the magnetic bowl 21 so as to support the magnetic circuit assembly 2, when the diaphragm assembly 1 vibrates, the magnetic circuit assembly 2 can move along the direction opposite to the direction of the diaphragm assembly 1, and the damping portion 42 can play a buffering role on the movement of the magnetic circuit assembly 2 so as to generate vibration and noise in the movement process of the magnetic circuit assembly 2.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A loudspeaker, the loudspeaker comprising:
the vibrating diaphragm assembly (1) is used for vibrating and sounding;
a magnetic circuit assembly (2) for providing a magnetic field to the diaphragm assembly (1);
the basin stand (3) surrounds the vibrating diaphragm assembly (1) and the magnetic circuit assembly (2), and the basin stand (3) is elastically connected with the vibrating diaphragm assembly (1);
the vibrating diaphragm assembly (1), the magnetic circuit assembly (2) and the basin stand (3) are positioned in the shell (6);
the cover plate (4), cover plate (4) lid in casing (6), cover plate (4) include interconnect's supporting part (41) and damping portion (42), supporting part (41) encircle damping portion (42) set up, supporting part (41) with casing (6) are connected, damping portion (42) with magnetic circuit assembly (2) butt, magnetic circuit assembly (2) can for basin frame (3) motion.
2. The speaker of claim 1, wherein the damping portion (42) is of rubber or foam.
3. The speaker according to claim 1, wherein the support portion (41) has a first fitting unit (411), the damper portion (42) has a second fitting unit (412), the first fitting unit (411) and the second fitting unit (412) are connected to each other in cooperation, and projections in a thickness direction of the speaker overlap.
4. A loudspeaker according to any one of claims 1 to 3, characterized in that the loudspeaker comprises a spring plate (5), the spring plate (5) elastically connecting the magnetic circuit assembly (2) and the basin stand (3).
5. Loudspeaker according to claim 4, characterized in that the spring plate (5) comprises a first mounting part (51), a second mounting part (52) and a connecting part (53), the connecting part (53) connects the first mounting part (51) and the second mounting part (52), the first mounting part (51) and the basin stand (3) are connected, and the second mounting part (52) and the magnetic circuit assembly (2) are connected.
6. The speaker according to claim 5, wherein the second mounting portions (52) are provided with first mounting portions (51) on both sides in the speaker width direction, respectively, and the first mounting portions (51) are connected to the second mounting portions (52) through the connecting portions (53), respectively.
7. Loudspeaker according to claim 5, wherein the basin stand (3) has a mounting seat (31), the mounting seat (31) protruding in the thickness direction of the loudspeaker, and the first mounting portion (51) is connected to the mounting seat (31).
8. The loudspeaker according to claim 5, wherein the magnetic circuit assembly (2) comprises a magnetic bowl (21) and a magnetic steel (22), and the second mounting portion (52) is connected to the magnetic bowl (21).
9. The loudspeaker according to claim 8, wherein the damping portion (42) abuts the magnetic bowl (21).
10. Loudspeaker according to claim 4, wherein the spring plates (5) are located on both sides of the frame (3) along the length direction of the loudspeaker, respectively, and connect the frame (3) and the magnetic circuit assembly (2), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793261.8U CN219612021U (en) | 2023-04-11 | 2023-04-11 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793261.8U CN219612021U (en) | 2023-04-11 | 2023-04-11 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219612021U true CN219612021U (en) | 2023-08-29 |
Family
ID=87754705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320793261.8U Active CN219612021U (en) | 2023-04-11 | 2023-04-11 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219612021U (en) |
-
2023
- 2023-04-11 CN CN202320793261.8U patent/CN219612021U/en active Active
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