CN220023057U - Speaker assembly and electronic device - Google Patents

Abstract

The utility model provides a loudspeaker assembly and an electronic device. The loudspeaker assembly comprises a sound generating element, a sound generating film and a vibration piece; the shell is provided with a bottom plate and a cover plate, and the sound generating element is arranged on the shell; the tuning net is arranged on the bottom plate; wherein the bottom plate is including range upon range of first trompil and the second trompil that sets up, first trompil with form the step face between the second trompil, first trompil sets up the outside of second trompil, tuning net sets up in the first trompil and covers the second trompil, tuning net is connected to the step face. According to the utility model, the first opening and the second opening which can form the step surface are formed in the bottom plate of the loudspeaker shell, so that when the loudspeaker shell is installed, the tuning net is only required to be connected with the step surface, the tuning net is integrally arranged in the first opening positioned at the outer side and covers the second opening, the installation of the tuning net can be realized, and the installation efficiency of the tuning net is improved.

Description

Speaker assembly and electronic device

Technical Field

The present utility model relates to a speaker assembly, and more particularly, to a speaker assembly and an electronic device.

Background

In order to improve the reliability and acoustic performance of a speaker, a tuning net is arranged at a position corresponding to a sound outlet net of the speaker.

Among the prior art, tuning net's first mounting means is: the tuning net is directly arranged at the bottom of the bottom plate of the loudspeaker shell, the installation mode is simple to operate and high in efficiency, but the bottom plate of the loudspeaker is also required to be welded with the driving plate to realize the function of the loudspeaker, so that a gap is formed between the loudspeaker and the driving plate in the installation mode, and the installation tightness and the welding performance of the loudspeaker and the driving plate are affected; the second installation mode of the tuning net is as follows: set up the trompil on the bottom plate of speaker, install tuning net on the pore wall of trompil, perhaps install on the inner wall of the bottom plate of the position department that corresponds to the trompil, this kind of mounting means is although can not influence the follow-up installation of speaker and drive plate, but has increased the degree of difficulty of tuning net installation.

Disclosure of Invention

It is an object of the present utility model to provide a speaker assembly that is easy to install.

It is another object of the utility model to provide an electronic device.

In order to achieve the above object, the present utility model provides a speaker assembly comprising: a sound generating element having a sound film and a vibration plate; the shell is provided with a bottom plate and a cover plate, and the sound generating element is arranged on the shell; the tuning net is arranged on the bottom plate; wherein, the bottom plate is including range upon range of first trompil and the second trompil that sets up, first trompil with form the step face between the second trompil, first trompil sets up the outside of second trompil, tuning net sets up in the first trompil and covers the second trompil, tuning net is connected to the step face.

The speaker assembly described above, wherein the base plate further includes: the first opening is arranged on the first substrate; the second substrate is connected with the first substrate, and the second opening is formed in the second substrate.

The loudspeaker assembly is characterized in that the first substrate and the second substrate are integrally arranged.

The loudspeaker assembly is characterized in that the aperture of the second opening is smaller than that of the first opening.

The loudspeaker assembly further comprises a sound outlet hole, wherein the sound outlet hole is formed in the cover plate, and the sound outlet hole and the tuning net are arranged opposite to each other.

The speaker assembly further comprises a driving plate, and the bottom plate is arranged on the driving plate.

The loudspeaker assembly further comprises a welding part, wherein the welding part is positioned at the bottom of the bottom plate and surrounds the first opening, and the bottom plate is connected with the driving plate through the welding part.

The speaker assembly described above, wherein the speaker assembly further includes a conductive connection portion, the conductive connection portion is disposed at a distance from the soldering portion, and the conductive connection portion includes: the first conductive part is arranged at the bottom of the bottom plate; the second conductive part is arranged on the driving plate and is connected with the first conductive part; the electrode is arranged in the inner cavity of the shell and is connected with the bottom plate.

The loudspeaker assembly is characterized in that the cover plate is provided with the mounting groove matched with the sound membrane, and the end part of the sound membrane is arranged in the mounting groove.

To achieve the above object, the present utility model provides an electronic device comprising at least one speaker assembly of any one of the above.

The utility model has the beneficial effects that: through set up first trompil and the second trompil that can form the step face on speaker shell's bottom plate to when the installation, only need be connected tuning net and step face, make tuning net wholly set up in the first trompil that is located the outside and cover the second trompil, can realize the installation of tuning net. That is, through setting up the first trompil that holds tuning net on the bottom plate to form the step face through first trompil and second trompil, make tuning net can set up from bottom to top in the first trompil that is located the outside and cover the second trompil, be connected to the step face simultaneously, thereby both improved tuning net's installation convenience and installation effectiveness, still guaranteed the leakproofness and the welding quality of speaker subassembly and drive plate installation.

The utility model will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the utility model thereto.

Drawings

FIG. 1 is a partial schematic top view of a speaker assembly according to one embodiment of the present utility model;

FIG. 2 is a schematic partial cutaway view of a speaker assembly according to one embodiment of the present utility model;

FIG. 3 is a partial bottom schematic view of a speaker assembly according to one embodiment of the present utility model;

fig. 4 is a schematic diagram of the overall structure of a speaker assembly according to an embodiment of the present utility model.

Wherein, the reference numerals:

100: loudspeaker assembly

101: sound producing element

1011: sound membrane

1012: vibrating piece

102: outer casing

1021: bottom plate

10211: first substrate

10212: second substrate

10213: welded part

10214: first conductive part

1022: cover plate

10221: mounting groove

1023: electrode

103: tuning net

104: first open hole

1041: step surface

105: second open hole

106: sound outlet

107: driving plate

1071: second conductive part

Detailed Description

The structural and operational principles of the present utility model are described in detail below with reference to the accompanying drawings:

FIG. 1 is a schematic top view of a speaker assembly according to an embodiment of the present utility model; FIG. 2 is a schematic cross-sectional view of a speaker assembly according to an embodiment of the present utility model; fig. 3 is a schematic bottom view of a speaker assembly according to an embodiment of the present utility model; fig. 4 is a schematic diagram of the overall structure of a speaker assembly according to an embodiment of the present utility model. As shown in fig. 1 to 4, the speaker assembly 100 of the present utility model includes a sound generating element 101, a housing 102, and a driving board 107. The sound generating element 101 is mounted in the housing 102 and divides the housing 102 into a front chamber and a rear chamber (not shown), the housing 102 being mounted on the drive plate 107.

Specifically, as shown in fig. 2, in the speaker assembly 100 of the present utility model, the sound generating element 101 includes a sound film 1011 and a vibration plate 1012, the vibration plate 1012 deforms and drives the sound film 1011 to vibrate under the action of a driving signal, the vibration plate 1012 may be a single-layer or multi-layer vibration plate, and the specific structure of the sound generating element 101 is not limited thereto.

The sound element 101 is installed in the shell 102, and the shell 102 includes bottom plate 1021 and apron 1022, and tuning net 103 installs on the bottom plate 1021 of shell 102, and setting up of tuning net 103 can improve the acoustic performance and the reliability of speaker subassembly 100 on the one hand, on the other hand also can avoid in the welded connection's of drive plate 107 in-process, and the produced metal ball of solder paste falls into inside the speaker, improves the product yield. The sound film 1011 is mounted in the mounting groove 10221 which is matched with the sound film 1011, that is, the end of the sound film 1011 is provided in the mounting groove 10221. The base 1021 includes a first opening 104 and a second opening 105, the first opening 104 is larger than the second opening 105, the first opening 104 and the second opening 105 are stacked, the first opening 104 is disposed outside the second opening 105, thereby a step-shaped opening portion is formed in the base 1021, the first opening 104 exposes a step surface 1041, and the tuning net 103 is mounted on the step surface 1041 of the first opening 104 and covers the second opening 105. The tuning net 103 may be adhered to the step surface 1041 exposed by the first opening 104 by glue bonding, and may be installed in other manners, which is not limited by the present utility model.

Thus, the first opening 104 and the second opening 105 capable of forming the stepped surface 1041 are provided in the bottom plate 1021 of the speaker housing 102, and therefore, when the tuning net 103 is mounted, only the tuning net 103 is connected to the stepped surface 1041, and the tuning net 103 is integrally provided in the first opening 104 located on the outer side and covers the second opening 105, thereby mounting the tuning net. That is, by providing the first opening 104 accommodating the tuning net 103 on the base plate 1021 and forming the stepped surface 1041 through the first opening 104 and the second opening 105, the tuning net 103 can be disposed in the first opening 104 located at the outer side from bottom to top and cover the second opening 105 while being connected to the stepped surface 1041, thereby improving both the installation convenience and the installation efficiency of the tuning net 103 and also ensuring the sealing property and the welding quality of the installation of the speaker assembly 100 with the driving board 107.

As shown in fig. 2, in the speaker assembly 100, the base 1021 includes a first substrate 10211 and a second substrate 10212 that are stacked, the first opening 104 is disposed on the first substrate 10211, the second opening 105 is disposed on the second substrate 10212, the first opening 104 and the second opening 105 may be circular, oval, square or polygonal, and the specific shape may be set according to the type of speaker, and the first substrate 10211 and the second substrate 10212 may be separately or integrally set, and the first substrate 10211 or the second substrate 10212 may be a single layer board or a multi-layer board, where each layer board is formed with openings to jointly form the first opening 104 or the second opening 105.

In the present utility model, the speaker assembly 100 further has a sound outlet 106, the sound outlet 106 is disposed on the cover 1022 of the housing 102, and the sound outlet 106 is disposed opposite to the tuning net 103. Of course, the tuning net 103 may be disposed at other positions of the bottom plate 1021, or disposed on a side wall of the cover plate 1022, and the sound outlet 106 may be circular, elliptical, square or polygonal, and the specific shape may be set according to the type of the speaker, which is not limited to this embodiment.

As shown in fig. 2 to 4, a welding portion 10213 is further provided on the base plate 1021, and the welding portion 10213 is located at the bottom of the base plate 1021 and around the first opening 104, and the base plate 1021 is connected to the driving board 107 through the welding portion 10213. The welding portion 10213 is disposed around the first opening 104, and may be the same circular, elliptical, square or polygonal shape as the first opening 104, or may be a different shape, which is not limited to this. The soldering portion 10213 may be a copper sheet or other conductive material, and it bonds the base 1021 to the driving board 107 by soldering (solder paste) or bonding, or may be a patch package to achieve a sealed connection between the housing 102 and the driving board 107.

The first conductive portion 10214 is disposed on the base 1021, the first conductive portion 10214 is disposed at the bottom of the base 1021, the second conductive portion 1071 is disposed on the driving board 107, the first conductive portion 10214 and the second conductive portion 1071 together form a conductive connection portion, so as to realize electrical connection between the base 1021 and the driving board 107, and then the driving signal of the driving board 107 is provided to the speaker assembly 100 through the electrode 1023 disposed in the cavity of the housing 102.

The utility model also provides an electronic device comprising at least one of any of the loudspeaker assemblies described above.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. A speaker assembly, comprising:

a sound emitting device (101) having a sound film (1011) and a vibration plate (1012);

a housing (102) having a base plate (1021) and a cover plate (1022), the sound generating element (101) being disposed on the housing (102);

a tuning net (103) arranged on the bottom plate (1021); wherein,

the base plate (1021) comprises a first opening (104) and a second opening (105) which are arranged in a stacked mode, a step surface (1041) is formed between the first opening (104) and the second opening (105), the first opening (104) is arranged on the outer side of the second opening (105), the tuning net (103) is arranged in the first opening (104) and covers the second opening (105), and the tuning net (103) is connected to the step surface (1041).

2. The speaker assembly as recited in claim 1, wherein the chassis (1021) further comprises:

a first substrate (10211), the first opening (104) being disposed on the first substrate (10211);

a second substrate (10212), the second substrate (10212) is connected with the first substrate (10211), and the second opening (105) is disposed on the second substrate (10212).

3. A loudspeaker assembly according to claim 2, wherein the first substrate (10211) is integrally provided with the second substrate (10212).

4. The loudspeaker assembly of claim 1, wherein the second aperture (105) has a smaller aperture than the first aperture (104).

5. The speaker assembly as recited in claim 1, further comprising a sound outlet (106), the sound outlet (106) being disposed in the cover plate (1022), the sound outlet (106) being disposed opposite the tuning net (103).

6. The speaker assembly as recited in claim 1, further comprising a drive board (107), the base plate (1021) being disposed on the drive board (107).

7. The speaker assembly as recited in claim 6, further comprising a weld (10213), said weld (10213) being located at a bottom of said chassis (1021) and disposed around said first aperture (104), said chassis (1021) being connected to said drive board (107) by said weld (10213).

8. The speaker assembly as recited in claim 7, further comprising a conductive connection portion disposed in spaced relation to the weld (10213), the conductive connection portion comprising:

a first conductive part (10214), the first conductive part (10214) being disposed at the bottom of the base plate (1021);

a second conductive portion (1071), the second conductive portion (1071) being disposed on the driving plate (107), the second conductive portion (1071) being connected to the first conductive portion (10214);

-an electrode (1023), said electrode (1023) being arranged in an inner cavity of said housing (102), said electrode (1023) being connected to said base plate (1021).

9. A loudspeaker assembly according to claim 1, wherein the cover plate (1022) is provided with a mounting groove (10221) matching the sound membrane (1011), and an end of the sound membrane (1011) is provided in the mounting groove (10221).

10. An electronic device, comprising:

a loudspeaker assembly as claimed in at least one of claims 1 to 9.