CN219227818U - Speaker subassembly and electronic equipment - Google Patents
Speaker subassembly and electronic equipment Download PDFInfo
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- CN219227818U CN219227818U CN202320354885.XU CN202320354885U CN219227818U CN 219227818 U CN219227818 U CN 219227818U CN 202320354885 U CN202320354885 U CN 202320354885U CN 219227818 U CN219227818 U CN 219227818U
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Abstract
The present disclosure relates to a speaker assembly and an electronic device, the speaker assembly comprising: a mounting substrate; the shell is fixedly connected with the mounting base body, and the shell and the mounting base body are enclosed to form an accommodating cavity; the loudspeaker is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity unit and a second cavity unit, wherein the first cavity unit is used for making sound of the loudspeaker; the pressure release channel is arranged on the installation base body and is communicated with the outer space of the second cavity unit and the shell. Realize inclosed second cavity unit and the outer space intercommunication of casing through the pressure release passageway on the installation base member to carry out the pressure release to the second cavity unit, set up the pressure release passageway on the installation base member, the size of pressure release passageway does not receive the restriction of casing size, and the structural dimension design of pressure release passageway is more nimble, thereby effectively promotes the pressure release effect.
Description
Technical Field
The disclosure relates to the field of speakers, in particular to a speaker assembly and electronic equipment.
Background
The loudspeaker component is a transduction component for converting an electric signal into an acoustic signal, is widely applied to electronic equipment capable of sounding, and can generate heat when the loudspeaker component works, so that the problems of unbalanced amplitude vibration, noise abnormal sound and the like caused by the increase of air pressure of a closed cavity in the loudspeaker component are solved.
In order to solve the above problem, a pressure relief hole is usually added on the housing of the speaker assembly to balance the internal and external air pressures of the closed cavity, and this way has the problem of poor pressure relief effect.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a speaker assembly and an electronic device.
According to a first aspect of embodiments of the present disclosure, there is provided a speaker assembly comprising:
a mounting substrate;
the shell is fixedly connected with the mounting base body, and the shell and the mounting base body are enclosed to form an accommodating cavity;
the loudspeaker is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity unit and a second cavity unit, wherein the first cavity unit is used for making sound of the loudspeaker;
the pressure relief channel is arranged on the installation base body and is communicated with the outer space of the second cavity unit and the shell.
In some embodiments of the disclosure, the pressure release channel includes a pressure release groove disposed on the mounting substrate, an opening of the pressure release groove faces the housing, the housing covers a part of the opening of the pressure release groove, one end of the pressure release groove penetrates through to the second cavity unit, and the other end of the pressure release groove is exposed in an external space of the housing.
In some embodiments of the disclosure, the mounting base includes a mounting surface disposed opposite to the housing, at least a portion of the mounting surface is provided with an inner recess, and one end of the pressure relief groove penetrates through a sidewall of the inner recess.
In some embodiments of the present disclosure, the pressure relief groove has a cross-sectional area of 0.0225mm or less 2 The length of the pressure relief groove is more than or equal to 1.2mm.
In some embodiments of the present disclosure, the width of the pressure relief groove is equal to or less than 0.15mm, and the depth of the pressure relief groove is equal to or less than 0.15mm.
In some embodiments of the disclosure, the housing includes a top wall and a side wall, a frame structure is disposed in the housing, one face of the frame structure facing away from the mounting substrate is connected with the top wall, the speaker is accommodated in the frame structure, one face of the speaker facing away from the mounting substrate is spaced from the top wall, and the speaker, the frame structure and the top wall enclose to form the first cavity unit.
In some embodiments of the disclosure, the frame structure includes a first frame, a second frame, a third frame, and a fourth frame that are sequentially connected, where the first frame, the second frame, and the third frame are all disposed at intervals between the side walls, the fourth frame is connected to the side walls, and sound channels that are communicated with the first cavity unit are formed on the fourth frame and the side walls;
one end of the pressure release channel is positioned below the side wall of the part opposite to the first frame or below the side wall of the part opposite to the second frame.
In some embodiments of the disclosure, the top wall and the side wall of the housing are in a split structure;
the top surface of the side wall and/or the top surface of the frame-shaped structure is provided with a first positioning part, and the top wall is provided with a second positioning part matched with the first positioning part;
one side of the top wall extends outwards to form a fixing part, and the fixing part is fixedly connected with the mounting base body.
In some embodiments of the present disclosure, a sealing foam is disposed between the housing and the mounting substrate.
According to a second aspect of embodiments of the present disclosure, there is provided an electronic device including a speaker assembly as described above, a center frame of the electronic device constituting a mounting base of the speaker assembly.
In some embodiments of the present disclosure, the electronic device includes a first side and a second side that intersect, the speaker assembly is disposed at a corner region formed by the first side and the second side, and the side wall of the housing includes a first side wall, a second side wall, a third side wall, and a fourth side wall that are sequentially connected, where the first side wall is disposed near the first side, the second side wall is disposed near the second side, and the pressure relief channel is disposed at a region corresponding to the third side wall or the fourth side wall.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects: realize inclosed second cavity unit and the outer space intercommunication of casing through the pressure release passageway on the installation base member to carry out the pressure release to the second cavity unit, set up the pressure release passageway on the installation base member, the size of pressure release passageway does not receive the restriction of casing size, and the structural dimension design of pressure release passageway is more nimble, thereby effectively promotes the pressure release effect.
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 disclosure.
Drawings
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.
Fig. 1 is a schematic diagram illustrating a speaker assembly with a top wall removed according to an exemplary embodiment.
Fig. 2 is a schematic structural diagram of a speaker assembly according to an exemplary embodiment.
Fig. 3 is a cross-sectional view of a speaker assembly shown according to an exemplary embodiment.
Fig. 4 is a partial schematic diagram illustrating an electronic device in a speaker assembly position according to an example embodiment.
In the figure:
10-mounting a substrate; 20-a housing; 21-top wall; 22-side walls; 23-a first sidewall; 24-a second sidewall; 25-a third sidewall; 26-fourth side wall; 30-accommodating the cavity; 31-a first cavity unit; 32-a second cavity unit; 40-speakers; 50-a pressure relief channel; 60-a pressure relief groove; 70-mounting surface; 80-concave portion; 90-frame-shaped structure; 91-a first bezel; 92-a second bezel; 93-a third frame; 94-fourth border; 100-a first positioning part; 110-a second positioning portion; 120-fixing part; 130-sealing foam; 140-middle frame; 150-a first side; 160-a second side; 170-an acoustic channel; 180-external space.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.
In the related art, a speaker assembly applied to an electronic device is divided into a front cavity and a rear cavity by a speaker diaphragm, wherein the rear cavity is closed, and because the speaker assembly generates heat during operation, the air pressure in the rear cavity is increased, so that the vibration of the speaker amplitude is unbalanced, and further the problems of noise and abnormal sound are caused.
In order to solve the above problem, a pressure relief hole is usually added on the speaker housing, and a gauze component is attached to the pressure relief hole, and the pressure relief hole is communicated with the outside to relieve pressure in the rear cavity. However, when the loudspeaker assembly is used for sounding of electronic equipment, the size of the pressure relief hole is limited by the size of the shell, so that the pressure relief effect is poor, and the problems of mesh missing adhesion, sticking deviation and the like exist in the actual production process, so that the mesh acoustic resistance is inconsistent. Because the shell needs partial concave at the position of attaching the gauze, the overall structure is poor, the occupied space is large, and the acoustic performance of the loudspeaker assembly is influenced.
Based on this, this disclosed exemplary embodiment provides a speaker subassembly, realizes inclosed second cavity unit and the outer space intercommunication of casing through the pressure release passageway on the installation base member to carry out the pressure release to the second cavity unit, set up the pressure release passageway on the installation base member, the size of pressure release passageway does not receive the restriction of casing size, the structural dimension design of pressure release passageway is more nimble, thereby effectively promotes the pressure release effect.
In an exemplary embodiment, referring to fig. 1, 2 and 3, a speaker assembly is provided, which includes a mounting base 10, a housing 20 and a speaker 40, wherein the housing 20 is fixedly connected to the mounting base 10, and the housing 20 encloses the mounting base 10 to form a receiving cavity 30. The speaker 40 is disposed in the accommodating cavity 30, and divides the accommodating cavity 30 into a first cavity unit 31 and a second cavity unit 32, and the first cavity unit 31 is used for making sound of the speaker 40. The installation base 10 is provided with a pressure release channel 50, and the pressure release channel 50 communicates the second cavity unit 32 with the external space 180 of the housing 20.
Wherein, the area of the installation base body 10 is larger than the area of the shell body 20 opposite to the installation base body, and the shell body 20 is fixedly connected with the installation base body 10 and encloses to form a containing cavity 30. The speaker 40 is used for converting the electrical signal into an acoustic signal, so as to realize the sounding function of the speaker assembly, the speaker 40 separates the accommodating cavity 30 into a first cavity unit 31 and a second cavity unit 32, the first cavity unit 31 is used for sounding of the speaker 40, and the second cavity unit 32 is sealed for improving the tone quality of the speaker assembly. The pressure release passage 50 is provided in the mounting base 10, and is capable of communicating the second chamber unit 32 with the external space 180 of the housing 20, and the air pressure of the external space 180 is the same as the air pressure of the outside.
Fig. 3 is a cross-sectional view of the speaker assembly, the cross-section being orthogonal to the mounting surface 70 of the mounting base 10, the cross-section being located at the pressure release passage 50 and the cross-section being parallel to the extending direction of the pressure release passage 50.
In this embodiment, realize airtight second cavity unit 32 and the external space 180 intercommunication of casing 20 through the pressure release passageway 50 on the installation base member 10, with carry out the pressure release to second cavity unit 32, avoid speaker 40 amplitude vibration unbalance to arouse the problem such as noise abnormal sound, set up pressure release passageway 50 on the installation base member 10, pressure release passageway 50's size does not receive the restriction of casing 20 size, pressure release passageway 50's structural dimension design is more nimble, can set up pressure release passageway 50 into the great long-form passageway of acoustic impedance, thereby effectively promote the pressure release effect, and the great long-form passageway of acoustic impedance has the effect similar to the gauze, avoided pasting the gauze acoustic impedance that establishes the gauze and inconsistent, occupation space is big, influence the acoustics performance scheduling problem of speaker subassembly.
In some embodiments, the pressure release channel 50 may be a pressure release pipe or a pressure release hole provided on the mounting surface 70 of the mounting base 10 and penetrating through the housing 20, or may be a channel with two ends exposed on the mounting surface 70 of the mounting base 10 and the middle section completely located inside the mounting base 10, in other embodiments, referring to fig. 1 and 3, the pressure release channel 50 is a pressure release groove 60 provided on the mounting base 10, the opening of the pressure release groove 60 faces the housing 20, the housing 20 covers a part of the opening of the pressure release groove 60, one end of the pressure release groove 60 penetrates through the second cavity unit 32, and the other end of the pressure release groove 60 is exposed in the external space 180 of the housing 20.
The pressure relief channel 50 is provided as a groove-shaped pressure relief groove 60, the opening of the pressure relief groove 60 may be rectangular, trapezoid, etc., the opening direction of the pressure relief groove 60 is toward the housing 20, a portion of the opening is covered by the housing 20, one end of the pressure relief groove 60 penetrates through the second cavity unit 32, and is used as a communication port between the second cavity unit 32 and the pressure relief channel 50, the other end of the pressure relief groove 60 is exposed in an external space 180 of the housing 20, and is used as a communication port between the pressure relief channel 50 and the external space 180 of the housing 20, and when the air pressure in the second cavity unit 32 is large, the pressure can be relieved through the pressure relief channel 50 by the two communication ports.
In this embodiment, through the arrangement of the pressure relief groove 60 with one end penetrating to the other end of the second cavity unit 32 and exposed to the external space 180 of the housing 20, the second cavity unit 32 can be communicated with the external space 180 of the housing 20, so as to realize the pressure relief function of the pressure relief groove 60 and avoid the problems of noise and abnormal sound caused by unbalanced amplitude vibration of the speaker 40. The pressure relief channel 50 is set to be the long pressure relief groove 60 with larger acoustic resistance, so that the pressure relief effect is effectively improved, the pressure relief groove 60 has an effect similar to that of a gauze, and the problems of inconsistent acoustic resistance, large occupied space, influence on the acoustic performance of a loudspeaker assembly and the like caused by the gauze are avoided. The opening of the pressure relief groove 60 arranged on the mounting substrate 10 faces the shell 20, and part of the opening is covered by the shell 20, so that the pressure relief groove 60 cannot influence the structure of the shell 20, the size of the space of the accommodating cavity 30 cannot be changed, and the acoustic performance of the loudspeaker assembly is improved.
In one embodiment, with continued reference to fig. 1 and 3, the mounting base 10 includes a mounting surface 70 disposed opposite the housing 20, at least a portion of the mounting surface 70 having an interior recess 80 formed therein, and one end of the relief groove 60 extends through the sidewall 22 of the interior recess 80.
The surface of the mounting substrate 10 opposite to the housing 20 is a mounting surface 70, at least part of the mounting surface 70 is provided with an inner concave portion 80 for increasing the space of the second cavity unit 32, one end of the pressure relief groove 60 penetrates through the side wall 22 of the inner concave portion 80, the end is the end of the pressure relief groove 60 penetrating through to the second cavity unit 32, and the opening of the end is covered by the housing 20, so that a pressure relief hole is formed on the side wall 22 of the inner concave portion 80 by the end of the pressure relief groove 60, and four hole walls of the pressure relief hole are respectively the bottom wall, the two side walls 22 of the pressure relief groove 60 and the bottom surface of the housing 20 covering the opening.
In this embodiment, the space of the second cavity unit 32 can be increased by providing the concave portion 80, and the acoustic performance of the speaker assembly is improved. One end of the pressure relief groove 60 penetrates through the side wall 22 of the concave portion 80, so that direct communication between the concave portion 80 in the second cavity unit 32 and the external space 180 of the shell 20 is realized, local pressure imbalance caused by the concave portion 80 is avoided, the pressure relief effect of the pressure relief groove 60 is improved, and the problems of noise abnormal sound and the like caused by amplitude vibration imbalance of the loudspeaker 40 are avoided.
In one embodiment, the cross-sectional area of the relief groove 60 is 0.0225mm or less 2 The length of the pressure relief groove 60 is 1.2mm or more.
Wherein the length direction of the pressure relief groove 60, i.e. the extending direction, is a straight line, the cross section of the pressure relief groove 60 refers to the surface of the pressure relief groove 60 cut by a surface perpendicular to the extending direction of the pressure relief groove 60, the cross section of the pressure relief groove 60 can be rectangular, circular, trapezoidal, triangular, etc., the cross section area of the pressure relief groove 60 is unchanged, and the cross section area is set to be less than or equal to 0.0225mm 2 The length of the pressure relief groove 60 is set to 1.2mm or more, wherein the length of the portion covered by the housing 20 may be setSetting the diameter to be more than or equal to 1mm.
In the present embodiment, the cross-sectional area of the pressure release groove 60 is set to 0.0225mm or less 2 The length is set to be 1.2mm or more, so that the pressure relief groove 60 has high acoustic resistance to improve the sound quality of the speaker assembly. In addition, the pressure relief groove 60 with higher acoustic resistance has the same effect as the gauze in the conventional loudspeaker assembly, the reasonable setting of the size of the pressure relief groove 60 ensures that the loudspeaker assembly does not need to be provided with gauze, the problems of inconsistent acoustic resistance, large occupied space and the like of the gauze brought by sticking the gauze are avoided, the cost is saved, the space of the accommodating cavity 30 is occupied due to the fact that the structure of the shell 20 is changed by the setting of the gauze is avoided, and the acoustic performance of the loudspeaker assembly is improved.
In one embodiment, the width of the pressure relief groove 60 is less than or equal to 0.15mm, and the depth of the pressure relief groove 60 is less than or equal to 0.15mm.
The cross-sectional shape of the pressure relief groove 60 is square, and the width and the depth dimensions of the pressure relief groove 60 are the same and are all less than or equal to 0.15mm, that is, the pressure relief groove 60 penetrates into the second cavity unit 32, and a square pressure relief hole with a side length of 0.15mm is formed on the side wall 22 of the concave portion 80.
In this embodiment, the width and depth of the pressure relief groove 60 are set to be equal to or less than 0.15mm, so that the cross-sectional area of the pressure relief groove 60 can be controlled to be equal to or less than 0.0225mm 2 The pressure relief groove 60 is provided with higher acoustic resistance so as to improve the tone quality of the loudspeaker assembly, the loudspeaker assembly does not need to be provided with gauze, the problems of inconsistent acoustic resistance, large occupied space and the like of the gauze brought by the gauze are avoided, the cost is saved, the space occupied by the accommodating cavity 30 due to the fact that the structure of the shell 20 is changed by the gauze is avoided, and the acoustic performance of the loudspeaker assembly is improved. In addition, the pressure release hole formed at the position of the pressure release groove 60 penetrating to the second cavity unit 32 has reasonable shape and size, so that the pressure release effect of the pressure release groove 60 is improved, and the problems of noise abnormal sound and the like caused by unbalanced amplitude vibration of the loudspeaker 40 are avoided.
In an embodiment, referring to fig. 1, 2 and 3, the housing 20 includes a top wall 21 and a side wall 22, a frame structure 90 is disposed in the housing 20, one side of the frame structure 90 facing away from the mounting substrate 10 is connected to the top wall 21, the speaker 40 is accommodated in the frame structure 90, one side of the speaker 40 facing away from the mounting substrate 10 is spaced from the top wall 21, and the speaker 40, the frame structure 90 and the top wall 21 enclose to form a first cavity unit 31.
The top wall 21, the side wall 22 and the frame structure 90 are made of the same material, and the frame structure 90 and the top wall 21, the side wall 22 and the top wall 21 may be fixedly connected, or the top wall 21, the side wall 22 and the frame structure 90 may be integrally formed. One side of the frame-shaped structure 90, which is away from the installation base body 10, is connected with the top wall 21, a preset distance is reserved between one side of the frame-shaped structure 90, which is close to the installation base body 10, and the installation base body 10, the loudspeaker 40 is accommodated in the frame-shaped structure 90, one side of the loudspeaker 40, which is away from the installation base body 10, is arranged at intervals with the top wall 21, the loudspeaker 40, the frame-shaped structure 90 and the top wall 21 are enclosed to form a first cavity unit 31, and a second cavity unit 32 between the loudspeaker 40 and the installation base body 10 within the range of the frame-shaped structure 90 is communicated with a second cavity unit 32 outside the range of the frame-shaped structure 90.
In this embodiment, the top wall 21 and the side wall 22 of the housing 20 enclose the mounting substrate 10 together to form the accommodating cavity 30, the speaker 40, the frame structure 90 and the top wall 21 enclose the first cavity unit 31 in the accommodating cavity 30 together, so as to realize the sound emitting function of the speaker assembly, the accommodating cavity 30 within the range of the side wall 22 and outside the range of the frame structure 90 is all the second cavity unit 32, and the whole second cavity unit 32 is communicated, so that the effect of improving the sound quality of the second cavity unit 32 is realized, and the sound emitting performance of the speaker assembly is improved.
In an embodiment, with continued reference to fig. 1, the frame structure 90 includes a first frame 91, a second frame 92, a third frame 93, and a fourth frame 94 that are sequentially connected, where the first frame 91, the second frame 92, and the third frame 93 are all disposed at intervals between the side walls 22, the fourth frame 94 is connected to the side walls 22, and an acoustic channel 170 that is communicated with the first cavity unit 31 is formed on the fourth frame 94 and the side walls 22; one end of the pressure relief channel 50 is located below a portion of the side wall 22 opposite the first rim 91 or below a portion of the side wall 22 opposite the second rim 92.
The first frame 91, the second frame 92, the third frame 93 and the fourth frame 94 are sequentially connected in an ending manner, so that a frame-shaped structure 90 with a rectangular interface shape is formed, the first frame 91, the second frame 92, the third frame 93 and the side wall 22 all belong to the second cavity unit 32, the third second cavity unit 32 is respectively located in three directions of the frame-shaped structure 90, the three are communicated with each other, and openings penetrating the fourth frame 94 and the side wall 22 are formed in the fourth frame 94 and the side wall 22 and serve as a sound emitting channel 170 for communicating the first cavity unit 31 with the outside. The end of the pressure release channel 50 covered by the housing 20, that is, the end of the pressure release groove 60 covered by the side wall 22 is located below the side wall 22 opposite to the first frame 91 or the second frame 92, and the second cavity unit 32 communicating with the pressure release groove 60 is outside the frame structure 90.
In this embodiment, the frame structure 90 for accommodating the speaker 40 is formed by the arrangement of the first frame 91, the second frame 92, the third frame 93 and the fourth frame 94, and the sound emitting channel 170 for communicating the first cavity unit 31 with the outside is formed on the fourth frame 94 and the side wall 22, so as to realize the sound emitting function of the speaker assembly. The second cavity units 32 located in different directions of the frame-shaped structure 90 and communicated with each other are formed among the first frame 91, the second frame 92 and the third frame 93 and the side wall 22, so that the second cavity units 32 with the function of improving sound quality are arranged on three different side directions of the loudspeaker 40, and the acoustic performance of the loudspeaker assembly is improved. One end of the pressure release channel 50 is located below the part of the side wall 22 opposite to the first frame 91 or the second frame 92, and the air pressure of the external space 180 of the housing 20 outside the part of the side wall 22 opposite to the first frame 91 or the second frame 92 is the same as the air pressure of the outside, so that the pressure release function of the speaker assembly to the second cavity unit 32 is realized.
In one embodiment, with continued reference to FIG. 2, the top wall 21 and the side wall 22 of the housing 20 are of a split construction; the top surface of the side wall 22 and/or the top surface of the frame-shaped structure 90 is provided with a first positioning part 100, and the top wall 21 is provided with a second positioning part 110 matched with the first positioning part 100; one side of the top wall 21 is formed with a fixing portion 120 extending outward, and the fixing portion 120 is fixedly connected with the mounting base 10.
The top wall 21 is provided with a second positioning portion 110, and the second positioning portion 110 may be matched with a first positioning portion 100 disposed on a top surface of the side wall 22, or may be matched with a first positioning portion 100 disposed on a top surface of the frame structure 90, or may be matched with a first positioning portion 100 disposed on a top surface of the side wall 22 and a top surface of the frame structure 90, so as to realize the matched and fixed between the top wall 21 and the side wall 22, and between the top wall 21 and the frame structure 90. One side of the top wall 21 extends outwards to form a fixing part 120 which can be fixedly connected with the installation base body 10, so that the top wall 21 and the installation base body 10 are matched and fixed.
In this embodiment, the positioning and the cooperation fixing between the top wall 21 and the frame structure 90 and the side wall 22 are realized through the setting of the first positioning portion 100 and the second positioning portion 110, the positioning and the cooperation fixing between the top wall 21 and the mounting base 10 are realized through the setting of the fixing portion 120, the positioning accuracy and the connection firmness of each part of the speaker assembly are ensured, the overall stability of the speaker assembly is improved, and the influence on the acoustic performance of the speaker assembly due to the influence of the air leakage at other positions of the accommodating cavity 30 caused by the positioning deviation and the connection infirm is avoided.
In one embodiment, with continued reference to fig. 1 and 3, a sealing foam 130 is disposed between the housing 20 and the mounting base 10.
The connection position between the side wall 22 of the housing 20 and the mounting substrate 10 is provided with a sealing foam 130, and the sealing foam 130 and the mounting substrate 10 can be fixedly connected by adhesive layer adhesion.
In this embodiment, the sealing foam 130 disposed between the housing 20 and the mounting substrate 10 can improve the tightness between the housing 20 and the mounting substrate 10, so as to avoid the influence of air leakage at other positions of the accommodating cavity 30 on the acoustic performance of the speaker assembly caused by gaps between the housing 20 and the mounting substrate 10.
In one exemplary embodiment, referring to fig. 4, an electronic device is provided, the electronic device including a speaker assembly as described above, and a center frame 140 of the electronic device constituting a mounting base 10 of the speaker assembly.
The electronic device may be, for example, a mobile phone, a tablet computer, a sound box, etc., where the electronic device includes the speaker assembly as described above for sounding of the electronic device, and the middle frame 140 of the electronic device forms the mounting base 10 of the speaker assembly for mounting the speaker assembly and other functional components. Because the loudspeaker assembly has the characteristics of realizing the pressure relief function, improving the pressure relief effect, improving the acoustic performance and the like, the electronic equipment and the loudspeaker assembly comprising the electronic equipment have the same advantages.
In one embodiment, with continued reference to fig. 4, the electronic device includes a first side 150 and a second side 160 that intersect, the speaker assembly is disposed in a corner region formed by the first side 150 and the second side 160, and the side wall 22 of the housing 20 includes a first side wall 23, a second side wall 24, a third side wall 25, and a fourth side wall 26 that are sequentially connected, wherein the first side wall 23 is disposed adjacent to the first side 150, the second side wall 24 is disposed adjacent to the second side 160, and the pressure relief channel 50 is disposed in a region corresponding to the third side wall 25 or the fourth side wall 26.
The speaker assembly is disposed in a corner area formed by the first side 150 and the second side 160, so that the speaker assembly is reasonably disposed in the electronic device, the first side 23 of the side wall 22 of the housing 20 is disposed near the first side 150 of the electronic device, and the second side 24 of the side wall 22 of the housing 20 is disposed near the second side 160 of the electronic device, so that the sound emitting channel 170 of the speaker assembly is near the first side 150 or the second side 160 of the electronic device, and a sound emitting function of the electronic device to the outside is implemented. The pressure release channel 50 is disposed in a region corresponding to the third side wall 25 or the fourth side wall 26, and the region is communicated with the outside through a gap of the cover plate of the electronic device, so that the external space 180 of the housing 20 is ensured to be the same as the outside atmospheric pressure, and the pressure release function of the speaker assembly to the second cavity unit 32 is realized.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (11)
1. A speaker assembly, the speaker assembly comprising:
a mounting substrate;
the shell is fixedly connected with the mounting base body, and the shell and the mounting base body are enclosed to form an accommodating cavity;
the loudspeaker is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity unit and a second cavity unit, wherein the first cavity unit is used for making sound of the loudspeaker;
the pressure relief channel is arranged on the installation base body and is communicated with the outer space of the second cavity unit and the shell.
2. The speaker assembly as recited in claim 1, wherein the pressure relief channel includes a pressure relief groove provided on the mounting base, an opening of the pressure relief groove faces the housing, the housing covers a portion of the opening of the pressure relief groove, one end of the pressure relief groove penetrates through to the second cavity unit, and the other end of the pressure relief groove is exposed to an external space of the housing.
3. The speaker assembly as recited in claim 2 wherein the mounting base includes a mounting surface disposed opposite the housing, at least a portion of the mounting surface having an interior recess disposed therein, one end of the pressure relief slot extending through a sidewall of the interior recess.
4. The speaker assembly as recited in claim 2, wherein the pressure relief groove has a cross-sectional area of 0.0225mm or less 2 The length of the pressure relief groove is greater than or equal to1.2mm。
5. The speaker assembly as recited in claim 4 wherein the pressure relief groove has a width of 0.15mm or less and a depth of 0.15mm or less.
6. The loudspeaker assembly of any one of claims 1 to 5, wherein the housing comprises a top wall and a side wall, a frame structure is disposed in the housing, a face of the frame structure facing away from the mounting substrate is connected to the top wall, the loudspeaker is accommodated in the frame structure, a face of the loudspeaker facing away from the mounting substrate is spaced from the top wall, and the loudspeaker, the frame structure and the top wall enclose the first cavity unit.
7. The loudspeaker assembly of claim 6, wherein the frame-shaped structure comprises a first frame, a second frame, a third frame and a fourth frame which are sequentially connected, wherein the first frame, the second frame and the third frame are all arranged at intervals between the side walls, the fourth frame is connected with the side walls, and sound outlet channels communicated with the first cavity unit are formed on the fourth frame and the side walls;
one end of the pressure release channel is positioned below the side wall of the part opposite to the first frame or below the side wall of the part opposite to the second frame.
8. The speaker assembly as recited in claim 6, wherein the top wall and side walls of the housing are of a split construction;
the top surface of the side wall and/or the top surface of the frame-shaped structure is provided with a first positioning part, and the top wall is provided with a second positioning part matched with the first positioning part;
one side of the top wall extends outwards to form a fixing part, and the fixing part is fixedly connected with the mounting base body.
9. The speaker assembly as recited in any one of claims 1-5, wherein a sealing foam is disposed between the housing and the mounting base.
10. An electronic device comprising a speaker assembly according to any one of claims 1-9, wherein a center frame of the electronic device forms a mounting base for the speaker assembly.
11. The electronic device of claim 10, wherein the electronic device comprises first and second intersecting sides, the speaker assembly is disposed in a corner region formed by the first and second sides, and the side walls of the housing comprise first, second, third, and fourth side walls that are sequentially connected, wherein the first side wall is disposed proximate the first side, the second side wall is disposed proximate the second side, and the pressure relief channel is disposed in a region corresponding to the third or fourth side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354885.XU CN219227818U (en) | 2023-02-24 | 2023-02-24 | Speaker subassembly and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354885.XU CN219227818U (en) | 2023-02-24 | 2023-02-24 | Speaker subassembly and electronic equipment |
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| Publication Number | Publication Date |
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| CN219227818U true CN219227818U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320354885.XU Active CN219227818U (en) | 2023-02-24 | 2023-02-24 | Speaker subassembly and electronic equipment |
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| CN (1) | CN219227818U (en) |
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