CN112616101B - Speaker module and electronic equipment - Google Patents
Speaker module and electronic equipment Download PDFInfo
- Publication number
- CN112616101B CN112616101B CN202011643126.2A CN202011643126A CN112616101B CN 112616101 B CN112616101 B CN 112616101B CN 202011643126 A CN202011643126 A CN 202011643126A CN 112616101 B CN112616101 B CN 112616101B
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- shell
- sound
- side wall
- cavity
- accommodating
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- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000013022 venting Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000009975 flexible effect Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/029—Manufacturing aspects of enclosures transducers
Abstract
The invention discloses a loudspeaker module and electronic equipment, wherein the loudspeaker module comprises: the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, and the shell side wall is circumferentially closed to the shell bottom wall; the second shell is a metal piece and is connected to one side of the shell side wall, which is away from the shell bottom wall, along the circumferential direction so that the second shell covers the first shell to form a containing cavity; the third shell is a plastic piece; the shell side wall of first casing has offered the mounting hole that the intercommunication held the chamber, and the holding portion holds the intracavity through the mounting hole holding to connect the shell diapire, sound production monomer is in holding intracavity connection holding portion, and sound production monomer, holding portion and shell diapire enclose to close and form preceding sound cavity, and sound production portion is located the shell side wall and deviates from one side that holds the chamber at least partially, and has offered sound channel before communicating sound cavity and the external world. The sound channel of the loudspeaker module provided by the technical scheme of the invention can be adjusted as required, and the flexibility is high.
Description
Technical Field
The present invention relates to electronic devices, and particularly to a speaker module and an electronic device using the speaker module.
Background
The speaker module can be used for converting an electric signal into a sound signal, and is an important energy conversion device. Under normal conditions, an accommodating space is formed in a shell of the loudspeaker module, a support is arranged in the accommodating space, a loudspeaker monomer is located in the accommodating space and is connected with the support, the loudspeaker monomer and the support divide the accommodating space into a front sound cavity and a rear sound cavity which are isolated from each other, a sound outlet hole for communicating the front sound cavity is formed in the shell, the loudspeaker monomer sounds a signal converted into sound energy in a vibration mode, and sound waves are transmitted in the front sound cavity and the rear sound cavity and are transmitted through the sound outlet hole so as to sound.
When the shell is a metal piece, the sound outlet arranged on the shell has the problem of lower flexibility in position and structure due to the limitation of a forming process, and the degree of freedom of the position adjustment of the sound channel is limited.
Disclosure of Invention
The main purpose of the invention is to provide a speaker module, which aims to enable the sound channel of the speaker module to be adjustable according to the requirement and has high flexibility.
In order to achieve the above object, the present invention provides a speaker module, including:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, and the shell side wall is circumferentially combined with the shell bottom wall;
the second shell is a metal piece and is connected to one side of the shell side wall, which is away from the shell bottom wall, in the circumferential direction, so that the second shell covers the first shell to form a containing cavity; and
the sound generating device comprises a third shell and a sound generating unit, wherein the third shell is a plastic piece and comprises a containing part and a sound generating part which are connected;
the shell side wall of the first shell is provided with a mounting hole communicated with the accommodating cavity, the accommodating part is accommodated in the accommodating cavity through the mounting hole and is connected with the shell bottom wall, the sounding unit is connected with the accommodating part in the accommodating cavity, the sounding unit, the accommodating part and the shell bottom wall enclose to form a front sound cavity, and the sounding part is at least partially positioned on one side of the shell side wall away from the accommodating cavity and is provided with sound channels communicated with the front sound cavity and the outside.
Optionally, the sound outlet part is provided with a first installation surface deviating from the side wall of the shell, the first installation surface is provided with a sound outlet, and the sound channel is communicated with the front sound cavity and the sound outlet.
Optionally, the sound outlet is located in the middle of the first mounting surface, and the sound channel gradually approaches the bottom wall of the shell in the process of extending from the sound outlet to the accommodating cavity.
Optionally, the sound emitting part is provided with a second installation surface, the second installation surface faces away from the first installation surface, and the second installation surface is abutted against the surface of the shell side wall, which faces away from the accommodating cavity.
Optionally, the shell lateral wall includes relative first lateral wall and the second lateral wall that sets up to and relative third lateral wall and fourth lateral wall that sets up, first lateral wall the third lateral wall the second lateral wall with the fourth lateral wall is end to end in proper order, the mounting hole set up in first lateral wall, the second installation face butt in first lateral wall in the outside of mounting hole.
Optionally, the first mounting surface and the first side wall form an included angle.
Optionally, the both ends of holding portion are connected sound portion to enclose and close and form the annular, holding portion is followed circumference sealing connection the shell diapire, holding portion deviates from one side of shell diapire forms the overlap joint platform along circumference, and in the protruding backstop platform that forms of establishing in the outside of overlap joint platform, sound production monomer along circumference overlap joint in overlap joint platform, backstop platform encloses to be located sound production monomer's outside.
Optionally, a gap is formed between the surface of the sounding monomer facing the stop table and the stop table, and the gap can be filled with adhesive.
Optionally, the second housing is welded or glued to the housing sidewall.
The invention also provides electronic equipment, which comprises a loudspeaker module;
the speaker module includes:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, and the shell side wall is circumferentially combined with the shell bottom wall;
the second shell is a metal piece and is connected to one side of the shell side wall, which is away from the shell bottom wall, in the circumferential direction, so that the second shell covers the first shell to form a containing cavity; and
the sound generating device comprises a third shell and a sound generating unit, wherein the third shell is a plastic piece and comprises a containing part and a sound generating part which are connected;
the shell side wall of the first shell is provided with a mounting hole communicated with the accommodating cavity, the accommodating part is accommodated in the accommodating cavity through the mounting hole and is connected with the shell bottom wall, the sounding unit is connected with the accommodating part in the accommodating cavity, the sounding unit, the accommodating part and the shell bottom wall enclose to form a front sound cavity, and the sounding part is at least partially positioned on one side of the shell side wall away from the accommodating cavity and is provided with sound channels communicated with the front sound cavity and the outside.
According to the loudspeaker module, the mounting hole is formed in the shell side wall of the first shell, the accommodating part of the third shell is accommodated in the accommodating cavity through the mounting hole, the accommodating part is connected with the shell bottom wall, and the front sound cavity is formed by surrounding the shell bottom wall and the loudspeaker monomer connected with the shell bottom wall. The sound outlet part of the third shell is positioned at one side of the shell side wall, which is away from the accommodating cavity, and the sound channel arranged at the sound outlet part can conduct the front sound cavity with the outside, so that the loudspeaker module is formed into a side sound outlet structure, and sound signals emitted by the loudspeaker single body can be transmitted to the outside through the front sound cavity and the sound channel.
The first shell and the second shell of the loudspeaker module are metal pieces, and the metal pieces have the characteristics of thinner wall thickness and larger structural strength, so that the first shell and the second shell can ensure good supporting effect under the condition of thinner wall thickness, and the appearance of the loudspeaker module is smaller.
The third casing is the working of plastics, because the processing mode of working of plastics easily shaping comparatively complicated product of structure, consequently, this third casing can be according to different demand shaping different shapes and structures for play sound portion on the third casing can be adjusted according to different user demands, and correspondingly, the position that is located the sound channel of play sound portion can reach the effect that is flexible, lively changeable.
Further, in the process of installing the speaker module in the electronic device, the antenna in the electronic device is usually located at the frame of the housing of the electronic device, and the sound outlet on the housing of the electronic device is also located at the frame, so that the sound outlet of the speaker module needs to be installed corresponding to the sound outlet, so that the sound channel is communicated with the sound outlet, and the sound emitted by the speaker module can be transmitted to the outside through the sound outlet. According to the technical scheme, the sounding part is positioned at one side of the side wall of the shell, which is away from the accommodating cavity, so that after the loudspeaker module is installed on the electronic equipment, a certain gap is formed between the first shell and the second shell on the loudspeaker module and the edge of the shell of the electronic equipment, namely, a certain distance is formed between the metal piece on the loudspeaker module and the antenna of the electronic equipment, the antenna of the electronic equipment meets the clearance requirement, and the effect of receiving and transmitting signals by the antenna is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a speaker module according to the present invention;
fig. 2 is a cross-sectional view of the speaker module of fig. 1;
FIG. 3 is an exploded view of the speaker module of FIG. 1;
FIG. 4 is a schematic structural diagram of the first housing and the third housing in FIG. 3;
FIG. 5 is a schematic view of the third housing of FIG. 4 assembled to the first housing;
FIG. 6 is a schematic illustration of the structure of the first housing, the second housing and the sound emitting unit of FIG. 3;
fig. 7 is a schematic view of the sound generating unit of fig. 6 mounted on the first housing and the second housing.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 and 2, the present invention proposes a speaker module 100, the speaker module 100 includes a first housing 10 and a second housing 30, the first housing 10 includes a bottom wall 11 and a side wall 13, and the side wall 13 is circumferentially enclosed by the bottom wall 11; the second housing 30 is connected to a side of the housing sidewall 13 facing away from the housing bottom wall 11 in a circumferential direction, so that the second housing 30 covers the first housing 10 to form a receiving cavity. The first housing 10 and the second housing 30 are both metal pieces.
The speaker module 100 provided by the invention further comprises a third shell 50 and a sounding unit 40, wherein the third shell 50 comprises a containing part 51 and a sounding part 53 which are connected;
the shell side wall 13 of the first shell 10 is provided with a mounting hole 1311 communicated with the accommodating cavity, the accommodating part 51 of the third shell 50 is accommodated in the accommodating cavity through the mounting hole 1311 and is connected with the shell bottom wall 11, the sounding unit 40 is connected with the accommodating part 51 in the accommodating cavity, the sounding unit 40, the accommodating part 51 and the shell bottom wall 11 are enclosed to form a front sound cavity 60, the sounding part 53 is at least partially positioned on one side of the shell side wall 13 away from the accommodating cavity, and a sound channel 535 communicated with the front sound cavity 60 and the outside is formed.
Referring to fig. 3 and 4, in the speaker module 100 according to the present invention, a mounting hole 1311 is formed in a side wall 13 of the first housing 10, the accommodating portion 51 of the third housing 50 is accommodated in the accommodating cavity through the mounting hole 1311, and the accommodating portion 51 is connected to the bottom wall 11, and the bottom wall 11 and the speaker unit connected thereto are enclosed together to form the front acoustic cavity 60. The sound emitting portion 53 of the third housing 50 is located at a side of the housing sidewall 13 facing away from the accommodating cavity, and the sound channel 535 provided at the sound emitting portion 53 can conduct the front sound cavity 60 with the outside, so that the speaker module 100 is formed into a side sound emitting structure, and the sound signal emitted by the speaker unit can be transmitted to the outside through the front sound cavity 60 and the sound channel 535.
The first casing 10 and the second casing 30 of the speaker module 100 are metal parts, and the metal parts have the characteristics of thinner wall thickness and larger structural strength, so that the first casing 10 and the second casing 30 can ensure good supporting effect under the condition of thinner wall thickness, and the appearance of the speaker module 100 is smaller and more exquisite.
The third casing 50 is a plastic part, and because the processing mode of the plastic part is easy to form a product with a complex structure, the third casing 50 can be formed into different shapes and structures according to different requirements, so that the sound emitting part 53 on the third casing 50 can be adjusted according to different use requirements, and accordingly, the position of the sound channel 535 positioned on the sound emitting part 53 can achieve a flexible effect.
Further, in the process of installing the speaker module 100 in the electronic device, the antenna in the electronic device is usually located at the frame of the housing of the electronic device, and the sound outlet on the housing of the electronic device is also located at the frame, so that the sound outlet 53 of the speaker module 100 needs to be installed corresponding to the sound outlet, so that the sound channel 535 is communicated with the sound outlet, and the sound emitted by the speaker module 100 can be transmitted to the outside through the sound outlet. According to the technical scheme of the invention, the sounding part 53 is positioned on one side of the shell side wall 13 away from the accommodating cavity, so that after the loudspeaker module 100 is installed on the electronic equipment, a certain gap is formed between the first shell 10 and the second shell 30 on the loudspeaker module 100 and the edge of the shell of the electronic equipment, namely, a certain distance is formed between a metal piece on the loudspeaker module 100 and an antenna of the electronic equipment, the antenna of the electronic equipment meets the clearance requirement, and the signal receiving and transmitting effect of the antenna is better.
As shown in fig. 2, the sound outlet 53 has a first mounting surface 531 facing away from the side wall 13 of the case, the first mounting surface 531 is provided with a sound outlet 5311, and the sound channel 535 communicates with the front sound chamber 60 and the sound outlet 5311. One side of the sound emitting part 53 is connected to the accommodating part 51, and the other side extends toward the direction away from the accommodating chamber to a side of the case side wall 13 away from the accommodating chamber.
The sound outlet 5311 arranged on the first mounting surface 531 can communicate the front sound cavity 60 to the direction that the sound outlet 53 deviates from the accommodating cavity, when the loudspeaker module 100 with the structure is mounted in an electronic device, the first mounting surface 531 can be directly or indirectly connected with the frame of the shell of the electronic device, so that the sound outlet 5311 arranged on the first mounting surface 531 can correspond to the sound outlet on the frame, and under the structure, the sound outlet 53 is at least partially positioned between a metal piece on the loudspeaker module 100 and the frame of the electronic device, and because the sound outlet 53 structure of the plastic piece is convenient to adjust, the thickness of the sound outlet 53 between the metal piece and the frame can be changed according to actual requirements so as to adjust the distance between the metal piece and the frame, thereby achieving the purpose of adjusting the clearance range of the antenna.
In the technical scheme of the invention, the sound outlet 5311 can be formed on other surfaces of the sound outlet 53 according to actual needs to adjust the installation direction of the speaker module 100, so as to meet different use requirements, and the sound channel 535 in the sound outlet 53 adjusts the extension direction according to the position of the sound outlet 5311, so as to meet the requirement of communicating the front sound cavity 60 with the sound outlet 5311.
The sound outlet 5311 is located in the middle of the first mounting surface 531, and the sound channel 535 gradually approaches the bottom wall 11 during the process of extending from the sound outlet 5311 to the accommodating cavity. In general, the sound outlet of the electronic device is disposed at the middle position of the frame of the housing in the thickness direction, and the speaker module 100 can set the sound outlet 5311 in the middle of the first mounting surface 531 in order to match the position of the sound outlet, in this embodiment, the sound outlet 53 forming the sound channel 535 is a plastic part, and the inclination direction of the sound channel 535 can be flexibly adjusted, so that the speaker module 100 can be mounted in a manner of matching with the electronic device, so that the mounting manner of the speaker module 100 is more flexible.
The sound emitting portion 53 according to the present invention may further have a second mounting surface 533, where the second mounting surface 533 faces away from the first mounting surface 531, and the second mounting surface 533 abuts against a surface of the case sidewall 13 facing away from the accommodating cavity. When the third casing 50 is installed, the accommodating portion 51 on the third casing 50 is inserted through the mounting hole 1311 on the first casing 10, so that the accommodating portion 51 can be accommodated in the accommodating cavity, and in the installation process, the second mounting surface 533 on the sound emitting portion 53 can be stopped on the outer surface of the casing side wall 13 in the accommodating cavity, so that the installation alignment is facilitated, and the installation position of the third casing 50 in the first casing 10 is accurate.
In the technical scheme of the invention, the first shell 10 and the second shell 30 can be enclosed to form a square or a round shape or can be enclosed to form a polygon or other different structures, and the shape of the sounding monomer 40 is selected according to the use requirement. In the embodiment shown in fig. 4, the shell side wall 13 of the first shell 10 may include a first side wall 131 and a second side wall 133 that are disposed opposite to each other, and a third side wall 135 and a fourth side wall 137 that are disposed opposite to each other, where the first side wall 131, the third side wall 135, the second side wall 133 and the fourth side wall 137 are sequentially connected end to end, the same side of the first side wall 131, the third side wall 135, the second side wall 133 and the fourth side wall 137 is connected to the shell bottom wall 11 in the circumferential direction, and the sides of the second shell 30, which are away from the shell bottom wall 11, of the first side wall 131, the third side wall 135, the second side wall 133 and the fourth side wall 137 are all connected to the second shell 30, the mounting hole is opened in the first side wall 131, and the second mounting surface 533 is abutted to the outside of the mounting hole of the first side wall 131. In this embodiment, the first casing 10 and the second casing 30 enclose to form a square, and correspondingly, the appearance of the generating monomer in the accommodating cavity is also square, so as to fully utilize the space of the accommodating cavity.
As shown in fig. 5, after the third housing 50 is mounted on the first housing 10, the first mounting surface 531 on the sound emitting portion 53 and the first side wall 131 are disposed at an included angle, or may be disposed parallel to the first side wall 131, so that the speaker module 100 may have different mounting manners, thereby meeting different mounting requirements. The angle formed by the first mounting surface 531 and the first side wall 131 may be an acute angle or an obtuse angle, and may be selected as required.
Referring to fig. 2, 5 and 6, the accommodating portion 51 has a frame structure with an opening, two ends of the accommodating portion 51 are connected with the sound emitting portion 53 and are enclosed with the sound emitting portion 53 to form a ring shape, the accommodating portion 51 is connected with the bottom wall 11 of the shell in a sealing manner along the circumferential direction, one side of the accommodating portion 51, which is away from the bottom wall 11 of the shell, forms a lapping table 511 along the circumferential direction, and forms a stop table 513 protruding on the outer side of the lapping table 511, the sound emitting unit 40 is lapped on the lapping table 511 along the circumferential direction, and the stop table 513 is enclosed on the outer side of the sound emitting unit 40.
Referring to fig. 7, the accommodating portion 51 may be sealed and connected to the bottom wall 11 by a sealant on one annular side, the sounding unit 40 is connected to the accommodating portion 51 on the other annular side, and is connected to the accommodating portion 51 in a sealing manner along the circumferential direction, so that a front acoustic cavity 60 is formed between the bottom wall 11 and the sounding unit 40 by enclosing the accommodating portion 51, and an acoustic channel 535 connected to the sounding portion 53 of the accommodating portion 51 is communicated with the front acoustic cavity 60. The sounding monomer 40 overlap joint is in the overlap joint platform 511 of holding portion 51, and holding portion 51 still is formed with the backstop platform 513 in the outside of overlap joint platform 511, and this backstop platform 513 can fix a position sounding monomer 40's installation, guarantees that sounding monomer 40 installs the location accuracy on holding portion 51 to follow-up will connect both.
Further, the stop table 513 is continuously disposed along the outer side of the sounding monomer 40, a gap is formed between the surface of the sounding monomer 40, which is lapped on the lapping table 511, facing the stop table 513 and the stop table 513, the sounding monomer 40 is mounted on the accommodating portion 51, and then the adhesive can be filled in the gap between the sounding monomer 40 and the stop table 513, so that the adhesive can be conveniently coated, the adhesive can fully contact the sounding monomer 40 and the accommodating portion 51, the effectiveness of connection between the sounding monomer 40 and the accommodating portion 51 is ensured, and the cured adhesive can ensure the sealing effect between the sounding monomer 40 and the accommodating portion 51.
The shell side wall 13 is convexly arranged towards the inner side of the accommodating cavity to form a convex rib, the convex rib is adjacent to one side of the shell side wall 13, which is away from the shell bottom wall 11, and the second shell 30 is lapped with the convex rib and is connected with the shell side wall 13. The forming of the convex rib has the effects of supporting and positioning the second shell 30, and in the process of connecting the second shell 30 with the first shell 10, the second shell 30 is lapped on the convex rib, so that the second shell 30 can not move continuously towards the direction of the shell bottom wall 11 of the first shell 10, and the accuracy of the position of connecting the second shell 30 with the first shell 10 is ensured.
The shell side wall 13 is formed with a plurality of protruding bars towards holding the inboard protruding of establishing of chamber, and a plurality of protruding bars are along the circumference interval distribution of shell side wall 13, and second casing 30 can be along circumference overlap joint and a plurality of protruding bars, guarantee the stability of second casing 30 positioning in-process.
When the case sidewall 13 is formed by surrounding the first, second, third and fourth sidewalls 131, 133, 135 and 137, the first, second, third and fourth sidewalls 131, 133, 135 and 137 are each provided with at least one rib to support the edge of the second case 30. It will be appreciated that two or more ribs may be provided on each of the first, second, third and fourth side walls 131, 133, 135 and 137 to further ensure the effectiveness of the connection to the second housing 30.
The second housing 30 may be attached and fixed to the housing sidewall 13 of the first housing 10 by welding and pasting. When the shell side wall 13 is provided with the protruding ribs, the edge of the second shell 30 can be firstly overlapped with the protruding ribs along the circumferential direction, and then the edge of the second shell 30 is welded to the shell side wall 13 or stuck to the shell side wall 13, so that the convenience of operation of an operator is improved, and the accuracy of the connection position of the second shell 30 is improved.
In the technical scheme of the invention, the first shell 10, the sounding unit 40 and the second shell 30 are enclosed to form the rear acoustic cavity 70, the second shell 30 is provided with the leakage channel 535 communicated with the rear acoustic cavity 70, the second shell 30 is also provided with the damping piece 31, and the damping piece 31 seals the leakage channel 535. The venting channel 535 can play a role in balancing static pressure on the rear acoustic cavity 70, and the second housing 30 may further be provided with a filling hole, where the filling hole is communicated with the rear acoustic cavity 70, and can fill the sound-absorbing material into the rear acoustic cavity 70, and the filling hole and the venting channel 535 may have the same structure or different structures, i.e., the sound-absorbing material may be filled into the rear acoustic cavity 70 through the venting channel 535. Damping member 31 may be used to block venting channel 535.
The invention also provides an electronic device, which comprises the speaker module 100, and the specific structure of the speaker module 100 refers to the above embodiment, and since the electronic device adopts all the technical solutions of all the above embodiments, at least has all the beneficial effects brought by the technical solutions of the above embodiments, and will not be described in detail herein.
The electronic equipment comprises a shell, wherein the loudspeaker module 100 is accommodated in the shell, the electronic equipment is further provided with a main control board, and the sounding monomer 40 in the loudspeaker module 100 is electrically connected with the main control board through a circuit board.
The electronic device may include a sound hole, and the sound outlet 5311 of the speaker module 100 may be disposed corresponding to the sound hole, so that the sound emitted by the speaker module 100 can be transmitted to the outside through the sound outlet 535 and the sound hole for receiving by the user.
The electronic device may further include a display screen and/or a key electrically connected to the main control board, where a user can implement functional control of the speaker module 100 by touching the display screen and/or the key.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. A speaker module, comprising:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, and the shell side wall is circumferentially combined with the shell bottom wall;
the second shell is a metal piece and is connected to one side of the shell side wall, which is away from the shell bottom wall, in the circumferential direction, so that the second shell covers the first shell to form a containing cavity; and
the sound generating device comprises a third shell and a sound generating unit, wherein the third shell is a plastic piece and comprises a containing part and a sound generating part which are connected;
the shell side wall of the first shell is provided with a mounting hole communicated with the accommodating cavity, the accommodating part is accommodated in the accommodating cavity through the mounting hole and is connected with the shell bottom wall, the sounding monomer is connected with the accommodating part in the accommodating cavity, the sounding monomer, the accommodating part and the shell bottom wall are enclosed to form a front sound cavity, and the sounding part is at least partially positioned on one side of the shell side wall away from the accommodating cavity and is provided with sound channels communicated with the front sound cavity and the outside;
the sound outlet part is provided with a first mounting surface which is away from the side wall of the shell, the first mounting surface is provided with a sound outlet, the sound channel is communicated with the front sound cavity and the sound outlet, the sound outlet part is provided with a second mounting surface which is away from the first mounting surface, and the second mounting surface is abutted against the surface of the side wall of the shell which is away from the accommodating cavity;
the mounting hole and the second mounting surface are configured to insert the accommodating part of the third shell through the mounting hole when the third shell is mounted, so that the accommodating part can be accommodated in the accommodating cavity, and the second mounting surface on the sound outlet part is stopped on the outer surface of the side wall of the shell, so that the mounting alignment is facilitated, and the mounting position of the third shell and the first shell is accurate.
2. The speaker module of claim 1, wherein the sound outlet is located in a middle portion of the first mounting surface, and the sound channel gradually approaches the bottom wall of the housing during a process of extending from the sound outlet to the receiving cavity.
3. The speaker module of claim 1, wherein the housing sidewall includes a first sidewall and a second sidewall disposed opposite to each other, and a third sidewall and a fourth sidewall disposed opposite to each other, the first sidewall, the third sidewall, the second sidewall, and the fourth sidewall being connected end to end in sequence, the mounting hole being provided in the first sidewall, the second mounting surface being in abutment with the first sidewall outside the mounting hole.
4. A loudspeaker module according to claim 3, wherein the first mounting surface is disposed at an angle to the first side wall.
5. The loudspeaker module of any one of claims 1 to 4, wherein two ends of the accommodating portion are connected with the sound emitting portion and are enclosed to form a ring shape, the accommodating portion is connected with the bottom wall of the shell in a sealing manner along the circumferential direction, a lap joint table is formed on one side of the accommodating portion, which faces away from the bottom wall of the shell, along the circumferential direction, and a stop table is convexly arranged on the outer side of the lap joint table, the sound emitting unit is lapped on the lap joint table along the circumferential direction, and the stop table is enclosed on the outer side of the sound emitting unit.
6. The speaker module as recited in claim 5, wherein a gap is formed between a surface of the sound generating unit facing the stopper table and the stopper table, and an adhesive is filled in the gap.
7. The speaker module of claim 1, wherein the second housing is welded or glued to the housing sidewall.
8. An electronic device comprising a speaker module according to any one of claims 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643126.2A CN112616101B (en) | 2020-12-30 | 2020-12-30 | Speaker module and electronic equipment |
| PCT/CN2021/139243 WO2022143228A1 (en) | 2020-12-30 | 2021-12-17 | Loudspeaker module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643126.2A CN112616101B (en) | 2020-12-30 | 2020-12-30 | Speaker module and electronic equipment |
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|---|---|
| CN112616101A CN112616101A (en) | 2021-04-06 |
| CN112616101B true CN112616101B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011643126.2A Active CN112616101B (en) | 2020-12-30 | 2020-12-30 | Speaker module and electronic equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN112616101B (en) |
| WO (1) | WO2022143228A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616101B (en) * | 2020-12-30 | 2023-11-24 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN113395640B (en) * | 2021-05-21 | 2022-05-17 | 歌尔股份有限公司 | Sound production device |
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| CN205283805U (en) * | 2015-12-31 | 2016-06-01 | 歌尔声学股份有限公司 | Loudspeaker module group |
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| CN112399315B (en) * | 2020-10-30 | 2022-10-14 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN112616101B (en) * | 2020-12-30 | 2023-11-24 | 歌尔股份有限公司 | Speaker module and electronic equipment |
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2020
- 2020-12-30 CN CN202011643126.2A patent/CN112616101B/en active Active
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| CN203840489U (en) * | 2014-04-29 | 2014-09-17 | 歌尔声学股份有限公司 | Terminal inside loudspeaker module group |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112616101A (en) | 2021-04-06 |
| WO2022143228A1 (en) | 2022-07-07 |
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