CN112004169A - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
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- CN112004169A CN112004169A CN202010879357.7A CN202010879357A CN112004169A CN 112004169 A CN112004169 A CN 112004169A CN 202010879357 A CN202010879357 A CN 202010879357A CN 112004169 A CN112004169 A CN 112004169A
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- bracket
- front cover
- support
- sound
- side wall
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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
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a loudspeaker box which comprises a shell and a sounding monomer, wherein the sounding monomer is fixedly contained in the shell and comprises a vibrating diaphragm for vibrating and sounding; the shell is made of metal materials and comprises a first bracket, a front cover and a rear cover, wherein the front cover and the rear cover are respectively covered on two opposite sides of the first bracket along the vibration direction of the vibrating diaphragm, and the first bracket is provided with a through hole penetrating through the first bracket; one side of the sounding monomer provided with the vibrating diaphragm faces the through hole and is supported and fixed on the first support; the front cover comprises a front cover plate and a front cover side wall, the front cover plate is arranged opposite to the sound generating units at intervals, the front cover side wall is bent and extended from the periphery of the front cover plate to the first support and is fixed on the first support, and the front cover side wall is provided with a sound outlet penetrating through the front cover side wall; the front cover, the sounding single body and the first support form a front sound cavity together in an enclosing mode, and the front sound cavity is communicated with the outside through the sound outlet; the sounding monomer, the first support and the rear cover together form a rear sound cavity. Compared with the related art, the loudspeaker box has the advantages of large cavity volume and good acoustic performance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker box applied to a portable mobile electronic product.
[ background of the invention ]
The loudspeaker box is widely applied to portable mobile electronic products, such as mobile phones, so that audio signals are converted into sound to be played, the loudspeaker box is high in loudness, and the low-frequency sound effect is good.
The loudspeaker box in the related art comprises a front cover, a rear cover and a sound generating unit, wherein the rear cover is covered on the front cover and jointly forms an accommodating space, the sound generating unit is accommodated in the accommodating space, and the accommodating space is divided into a front cavity and a rear cavity by the sound generating unit.
However, the front cover and the rear cover of the speaker box in the related art are formed by injection molding, and the sound generating unit is sealed by ultrasonic welding, which requires more volume, so that the volume design of the front cavity and the rear cavity is limited, and the acoustic performance is limited.
Therefore, there is a need to provide a new speaker box to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a loudspeaker box with a large cavity and good acoustic performance.
In order to achieve the above object, the present invention provides a speaker box, which includes a housing and a sound generating unit fixedly accommodated in the housing, wherein the sound generating unit includes a vibrating diaphragm for vibrating sound; the shell is made of metal materials and comprises a first support, a front cover and a rear cover, wherein the front cover and the rear cover are respectively arranged on two opposite sides of the first support in a covering mode along the vibration direction of the vibrating diaphragm, and the first support is provided with a through hole penetrating through the first support; one side of the sounding monomer, which is provided with the vibrating diaphragm, faces the through hole and is supported and fixed on the first support; the front cover comprises a front cover plate and a front cover side wall, the front cover plate is arranged opposite to the sound generating single body at intervals, the front cover side wall is bent and extended from the periphery of the front cover plate to the first support and is fixed on the first support, and a sound outlet penetrating through the front cover side wall is formed in the front cover side wall; the front cover, the sounding single body and the first support jointly enclose a front sound cavity, and the sound outlet communicates the front sound cavity with the outside; the sound production unit, the first support and the rear cover jointly enclose a rear sound cavity.
Preferably, the rear cover comprises a rear cover plate which is opposite to the sound generating unit at intervals and a rear cover side wall which is bent and extended from the periphery of the rear cover plate, and the rear cover side wall abuts against the first support and forms a fixed seal.
Preferably, the first support comprises an annular support body, an annular support side wall which is bent and extended from the outer periphery of the support body to the direction of the rear cover, a support fixing part which is bent and extended from the inner periphery of the support body to the direction of the front cover and encloses the through hole, and a support extending part which is bent and extended from one side of the support side wall, which is opposite to the sound outlet, close to one end of the rear cover to the position far away from the sound generating unit, the sound generating unit is supported on the support fixing part and forms a fixed seal, the front cover side wall is supported and fixed on the support body, and one side of the front cover side wall, which is provided with the sound outlet, is supported and fixed on the support extending part; the rear cover side wall is supported and fixed on the support side wall, and the part of the rear cover side wall, which is opposite to the side of the front cover side wall provided with the sound outlet, is supported and fixed on the support extension part; the front cover side wall and the rear cover are respectively fixed on the bracket side wall and the bracket extension part to form a sealing structure.
Preferably, the speaker box further comprises a second support and a breathable isolating piece, the second support and the breathable isolating piece are located in the rear sound cavity, the second support is arranged around the periphery of the sound generating single body, the second support comprises a first section located on one side, away from the sound outlet, of the sound generating single body, and a second section and a third section, which are bent and extended towards the sound outlet from two opposite ends of the first section along the sound generating single body respectively, and the first section is arranged opposite to the extending part of the support; the second bracket is fixed on the bracket body, and the second section and the third section are respectively abutted and fixed on the side wall of the bracket; the breathable isolating piece is fixed on the support body and the support extending part and separates the sounding monomer from the rear sound cavity.
Preferably, the first bracket and the second bracket are integrally formed by injection molding.
Preferably, a side of the second bracket away from the front cover is flush with a side of the bracket extension away from the front cover.
Preferably, the breathable isolating piece comprises an isolating piece body which is opposite to the rear cover at intervals and is attached to the sounding single body, an isolating piece extending part which is bent and extended from the periphery of the isolating piece body to the direction of the support, and an isolating piece fixing part which is bent and extended from one end, far away from the isolating piece body, of the isolating piece extending part; the isolating piece extending part and the side wall of the front cover are arranged at intervals, and the isolating piece fixing part is simultaneously attached and fixed to one side, close to the rear cover, of the first support and one side, close to the rear cover, of the support extending part; the breathable partition, the first support, the second support and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound-absorbing materials.
Preferably, the speaker box further comprises a conductive piece for connecting the sounding monomer with an external electrical signal, wherein the conductive piece comprises a conductive piece body which is supported and fixed at one end of the second section close to the rear cover, a connecting arm which extends from two ends of the conductive piece body to the sounding monomer and is fixedly and electrically connected with the sounding monomer, and an extending arm which extends from the conductive piece body to a direction far away from the sounding monomer and simultaneously penetrates through the side wall of the rear cover and the side wall of the bracket; one side of the second section, which is close to the rear cover, is sunken to form an accommodating groove, the conductive piece body is arranged in the accommodating groove, the conductive piece body and one side of the second support, which is close to the rear cover, are flush, and the extending part of the isolating piece is pressed and fixed on the conductive piece body and the second support.
Preferably, the extension arm extends through both the front cover side wall and the rear cover side wall.
Compared with the prior art, the loudspeaker box of the invention has the advantages that the front cover, the rear cover and the first bracket of the shell are all made of metal materials, the first bracket is provided with the through hole, one side of the sounding monomer provided with the vibrating diaphragm faces the through hole and is supported and fixed on the first bracket, the front cover and the rear cover are respectively covered on two opposite sides of the first bracket, and the side wall of the front cover is provided with a sound outlet to form a side sound production structure, in the structure, the metal first bracket is combined with the metal rear cover, the metal rear cover is combined with the metal first bracket, on the premise of ensuring the structural strength of the shell, compared with a full-plastic shell structure, the loudspeaker box can be designed to be thinner, so that the volume of a cavity in the shell is greatly improved, the volume of a rear sound cavity enclosed by a sounding monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a speaker box according to the present invention;
FIG. 2 is an exploded perspective view of a portion of the speaker box of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
fig. 4 is an enlarged view of a portion B shown in fig. 3.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a speaker box 100, which includes a housing 1 and a sound generating unit 2 having a diaphragm 21 and fixedly accommodated in the housing 1.
The shell 1 is made of metal material. The housing 1 includes a front cover 11, a rear cover 12, and a first bracket 13. Wherein the front cover 11 and the back cover 12 are respectively covered on two opposite sides of the first bracket 13 along the vibration direction of the diaphragm 21.
Specifically, the front cover 11 includes a front cover 111 disposed opposite to the sound generating unit 2 at an interval, and a front cover sidewall 112 bent and extended from a peripheral edge of the front cover 111 toward the first bracket 13 and fixed to the first bracket 13.
The front cover 111 and the front cover side wall 112 may be separated from each other or may be integrally manufactured. In this embodiment, the front cover 111 and the front cover side wall 112 are integrally formed.
The sound generating unit 2, the first support 13 and the front cover 11 together enclose a front sound cavity 101. The diaphragm 21 is accommodated in the front sound cavity 101, the front cover side wall 112 is provided with a sound outlet 10 penetrating through the front cover side wall, the front sound cavity 101 is communicated with the outside through the sound outlet 10, and the side sound production structure of the loudspeaker box 100 is formed so as to improve the smoothness of air generated by side sound production and the outside, so that the audio quality of the loudspeaker box 100 is improved.
In this embodiment, the side of the front cover sidewall 112 where the sound outlet 10 is located is flush with the rear cover 12 to which it is connected. This arrangement makes the speaker box 100 easy to assemble and aesthetically pleasing.
The rear cover 12 includes a rear cover 121 spaced apart from and facing the sound generating unit 2, and a rear cover sidewall 122 extending from a periphery of the rear cover 121. The rear cover side wall 122 abuts against the first bracket 13 and forms a fixed seal. The sound generating unit 2, the first support 13 and the rear cover 12 together enclose a closed rear sound cavity 102.
In this embodiment, the rear cover 12 is welded to the first bracket 13, the front cover sidewall 11 is welded to the first bracket 13, and the front cover 11 and the rear cover 12 can be designed to be thinner and have more reliable fixing strength compared to the plastic structure in the prior art.
In the above structure, the front cover 11, back lid 12 and the integrated configuration of first support 13, because of front cover 11 and back lid 12 are made for metal material, first support 13 and back lid 11 through metal material make are fixed, be used for supporting fixed sound production monomer 2 and form back sound chamber 102, first support 13 and front cover 11 through metal material make are fixed and form preceding sound chamber 101, under the prerequisite of guaranteeing casing 1's structural strength, it not only can design thinly for full plastic shell structure, and same effectual assembly sound production monomer 2, thereby the cavity volume in casing 1 has been improved to very big degree, the effectual volume that increases sound production monomer 2 with the back sound chamber 10 that casing 1 encloses, and then improved the acoustic performance of speaker box 100, especially low frequency acoustic performance.
Specifically, the first bracket 13 includes a through hole 130 penetrating therethrough, an annular bracket body 131, an annular bracket side wall 132 extending from an outer periphery of the bracket body 131 to the direction of the rear cover 12 in a bending manner, a bracket fixing portion 133 extending from an inner periphery of the bracket body 131 to the direction of the front cover 11 in a bending manner and enclosing the through hole 130, and a bracket extending portion 134 extending from a side of the bracket side wall 132 facing the sound outlet 10 in a bending manner and being away from the sound generating unit 2.
One side of the sound generating unit 2, which is provided with the diaphragm 21, faces the through hole 130 and is supported and fixed on the first bracket 130. That is, the first support 13 forms a sealing fixation with the sound generating unit 2.
The front cover side wall 112 is supported and fixed on the bracket body 131, and one side of the front cover side wall 112, which is provided with the sound outlet 10, is supported and fixed on the bracket extension 134; the rear cover sidewall 122 is supported and fixed on the bracket sidewall 132, and the portion of the rear cover sidewall 122, which is opposite to the side of the front cover sidewall 112 where the sound outlet 10 is provided, is supported and fixed on the bracket extension 134. This structure allows the front cover 11 and the rear cover 12 to form a partially misaligned bridge when they are connected by the first bracket 13, so that the volume of the rear sound chamber 102 is increased and the design of the rear sound chamber 102 is more flexible.
In this embodiment, an escape groove 1120 that is recessed in a direction away from the bracket body 131 is provided on the front cover side wall 112 on the side close to the rear cover 12. The bracket body 131 and the bracket sidewall 132 are accommodated and fixed in the escape groove 1120. The side of the front cover sidewall 112 where the sound outlet 10 is provided is covered and fixed on the bracket extension 134. This structure utilizes the height difference between the bracket extension part 134 and the bracket body 131, and the avoiding groove 1120 is formed in the front cover side wall 112 for assembly, thereby facilitating the reduction of the thickness of the speaker box 100 and improving the miniaturization design.
The diaphragm 21 of the sound generating unit 2 is used for generating sound through vibration. Specifically, the diaphragm 21 includes a vibrating portion 211, a folded ring portion 212 bent and extended from a periphery of the vibrating portion 211, and a diaphragm fixing portion 213 bent and extended from the folded ring portion 212 in a direction away from the vibrating portion 211. The sound generating unit 2 is supported by the bracket fixing portion 133 to form a fixed seal, specifically, the bracket fixing portion 133 is fixed to the diaphragm fixing portion 213, so that the first bracket 13, the diaphragm 21, the first bracket 13 and the front cover 11 jointly enclose the front sound cavity 101, and meanwhile, the speaker box 100 is easy to assemble and high in reliability.
The loudspeaker enclosure 100 further comprises a second support 3 located within the rear acoustic chamber 102. The second bracket 3 is made of a plastic material. The first bracket 13 and the second bracket 3 may be manufactured separately and fixed together, but the present invention is not limited thereto, and in the present embodiment, the first bracket 13 and the second bracket 3 are formed by injection molding integrally. This configuration makes the speaker box 100 simpler to manufacture and easier to assemble.
The second holder 3 is located within the rear acoustic chamber 102. The second bracket 3 is fixed to the first bracket 13. The second support 3 surrounds the periphery of the sound generating unit 2. The second support 3 comprises a first section 31 located on one side of the sounding single body 2 far away from the sound outlet 10, and a second section 32 and a third section 33 which are bent and extended from two opposite ends of the first section 31 along the sounding single body 2 to the sound outlet 10.
The second bracket 3 is fixed to the bracket body 131, and the second section 32 and the third section 33 are respectively abutted against and fixed to the bracket side wall 132. The first section 31 is disposed opposite the bracket extension 134. The front cover side wall 112 and the rear cover 12 are each secured to the bracket side wall 132 and the bracket extension 134, respectively, to form a sealed structure.
To further improve the low frequency acoustic performance of the loudspeaker enclosure 100, the loudspeaker enclosure 100 further comprises a breathable partition 4 located within the rear acoustic cavity 102. The air-permeable partition 4 is fixed to the holder body 131 and the holder extension 134 and partitions the sound-generating unit 2 from the rear sound cavity 102, so that the rear sound cavity 102 can be filled with sound-absorbing material.
In this embodiment, a side of the second bracket 3 away from the front cover 11 is flush with a side of the bracket extension 134 away from the front cover 11. That is, the side of the first segment 31 away from the front cover 11, the side of the second segment 32 away from the front cover 11, and the side of the third segment 33 away from the front cover 11 are all flush with the side of the bracket extension 134 away from the front cover 11. This structure makes the reliability of the sealing of the breathable separator 4 against the first bracket 13 and the second bracket 3 higher, and also makes the assembly easier.
Specifically, the ventilation spacer 4 includes a spacer body 41 opposite to the rear cover 12 at a certain interval and attached to the sound generating unit 2, a spacer extension portion 42 extending from the periphery of the spacer body 41 to the support 3 in a bending manner, and a spacer fixing portion 43 extending from the spacer extension portion 42 away from one end of the spacer body 41 in a bending manner. The spacer extensions 42 are spaced from the front cover side walls 112. The spacer fixing portion 43 is simultaneously attached and fixed to one side of the first bracket 13 close to the rear cover 12 and one side of the bracket extension portion 134 close to the rear cover 12. Ventilative separator 4, first support 13, second support 3 and back lid 12 enclose jointly and enclose into irritate whitewashed space, irritate whitewashed space and be used for filling sound absorbing material, for example inhale the sound granule, inhale the sound cotton etc..
The speaker box 100 further includes a conductive member 5 for connecting the sound generating unit 2 with an external electric signal.
In this embodiment, the conductive device 5 includes a conductive device body 51 supported and fixed at one end of the second section 32 close to the back cover 12, a connecting arm 52 extending from two ends of the conductive device body 51 to the sounding single body 2 and fixedly electrically connected to the sounding single body 2, and an extending arm 53 extending from the conductive device body 51 to a direction far away from the sounding single body 2 and simultaneously penetrating through the back cover side wall 122 and the support side wall 132. The rear cover 12 includes a rear cover body 121 disposed opposite to the spacer body 41 at a distance, and a rear cover sidewall 122 bent and extended from the periphery of the rear cover body 121 toward the front cover 11 and fixed in contact with the front cover sidewall 112.
In this embodiment, the extension arm 53 penetrates both the front cover sidewall 112 and the rear cover sidewall 122. The structure is convenient to assemble, and the position penetrating through the front cover outer side wall 112 and the position penetrating through the rear cover side wall 122 can be used as assembly positioning in advance, so that the assembly efficiency is improved.
In order to form an effective seal when the air-permeable partition 4 is fixed to the bracket 3 and ensure that the sound-absorbing material in the powder filling space does not enter the sound-generating unit 2 and affect the performance thereof, in the present embodiment, one side of the second section 32 of the second bracket 3, which is close to the rear cover 12, is recessed to form a receiving groove 320. The conductive member body 51 is disposed in the receiving groove 320 such that the conductive member body 51 is flush with a side of the second bracket 3 close to the rear cover 12. The spacer extension 42 is pressed and fixed to the conductive member body 51 and the second bracket 3.
Compared with the prior art, the loudspeaker box of the invention has the advantages that the front cover, the rear cover and the first bracket of the shell are all made of metal materials, the first bracket is provided with the through hole, one side of the sounding monomer provided with the vibrating diaphragm faces the through hole and is supported and fixed on the first bracket, the front cover and the rear cover are respectively covered on two opposite sides of the first bracket, and the side wall of the front cover is provided with a sound outlet to form a side sound production structure, in the structure, the metal first bracket is combined with the metal rear cover, the metal rear cover is combined with the metal first bracket, on the premise of ensuring the structural strength of the shell, compared with a full-plastic shell structure, the loudspeaker box can be designed to be thinner, so that the volume of a cavity in the shell is greatly improved, the volume of a rear sound cavity enclosed by a sounding monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is improved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A loudspeaker box comprises a shell and a sound production unit which is fixedly contained in the shell, wherein the sound production unit comprises a vibrating diaphragm for vibrating and producing sound; one side of the sounding monomer, which is provided with the vibrating diaphragm, faces the through hole and is supported and fixed on the first support; the front cover comprises a front cover plate and a front cover side wall, the front cover plate is arranged opposite to the sound generating single body at intervals, the front cover side wall is bent and extended from the periphery of the front cover plate to the first support and is fixed on the first support, and a sound outlet penetrating through the front cover side wall is formed in the front cover side wall; the front cover, the sounding single body and the first support jointly enclose a front sound cavity, and the sound outlet communicates the front sound cavity with the outside; the sound production unit, the first support and the rear cover jointly enclose a rear sound cavity.
2. The speaker box of claim 1, wherein the rear cover includes a rear cover plate spaced apart from and opposing the sound generating unit and a rear cover sidewall extending from a periphery of the rear cover plate, the rear cover sidewall abutting the first bracket and forming a fixed seal.
3. The loudspeaker box according to claim 2, wherein the first bracket comprises an annular bracket body, an annular bracket side wall which is bent and extended from the outer periphery of the bracket body to the direction of the rear cover, a bracket fixing part which is bent and extended from the inner periphery of the bracket body to the direction of the front cover and encloses the through hole, and a bracket extending part which is bent and extended from one side of the bracket side wall facing the sound outlet and close to one end of the rear cover to the direction far away from the sound generating unit, wherein the sound generating unit is supported on the bracket fixing part and forms a fixed seal, the front cover side wall is supported and fixed on the bracket body, and one side of the front cover side wall provided with the sound outlet is supported and fixed on the bracket extending part; the rear cover side wall is supported and fixed on the support side wall, and the part of the rear cover side wall, which is opposite to the side of the front cover side wall provided with the sound outlet, is supported and fixed on the support extension part; the front cover side wall and the rear cover are respectively fixed on the bracket side wall and the bracket extension part to form a sealing structure.
4. The loudspeaker box according to claim 3, further comprising a second support and a breathable spacer, wherein the second support and the breathable spacer are located in the rear sound cavity, the second support is disposed around the periphery of the sound generating unit, the second support comprises a first section located on one side of the sound generating unit away from the sound outlet, and a second section and a third section bent and extended from two opposite ends of the first section along the sound generating unit toward the sound outlet, respectively, and the first section is disposed opposite to the support extension; the second bracket is fixed on the bracket body, and the second section and the third section are respectively abutted and fixed on the side wall of the bracket; the breathable isolating piece is fixed on the support body and the support extending part and separates the sounding monomer from the rear sound cavity.
5. A loudspeaker enclosure according to claim 4, wherein the first and second brackets are integrally injection moulded.
6. A loudspeaker enclosure according to claim 4, wherein the side of the second bracket remote from the front cover is flush with the side of the bracket extension remote from the front cover.
7. The speaker box according to claim 4, wherein the air-permeable partition includes a partition body spaced from and facing the rear cover and attached to the sound generating unit, a partition extending portion extending from a peripheral edge of the partition body in a bending manner toward the bracket, and a partition fixing portion extending from an end of the partition extending portion away from the partition body in a bending manner; the isolating piece extending part and the side wall of the front cover are arranged at intervals, and the isolating piece fixing part is simultaneously attached and fixed to one side, close to the rear cover, of the first support and one side, close to the rear cover, of the support extending part; the breathable partition, the first support, the second support and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound-absorbing materials.
8. The speaker box according to claim 7, further comprising a conductive member for connecting the sound generating unit with an external electrical signal, wherein the conductive member comprises a conductive member body supported and fixed at one end of the second section near the rear cover, a connecting arm extending from two ends of the conductive member body to the direction of the sound generating unit and fixedly and electrically connected with the sound generating unit, and an extending arm extending from the conductive member body to a direction away from the sound generating unit and simultaneously penetrating through the side wall of the rear cover and the side wall of the support; one side of the second section, which is close to the rear cover, is sunken to form an accommodating groove, the conductive piece body is arranged in the accommodating groove, the conductive piece body and one side of the second support, which is close to the rear cover, are flush, and the extending part of the isolating piece is pressed and fixed on the conductive piece body and the second support.
9. The loudspeaker enclosure of claim 8, wherein the extension arm extends through both the front cover sidewall and the back cover sidewall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879357.7A CN112004169B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
| PCT/CN2020/123383 WO2022041432A1 (en) | 2020-08-27 | 2020-10-23 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879357.7A CN112004169B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112004169A true CN112004169A (en) | 2020-11-27 |
| CN112004169B CN112004169B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010879357.7A Active CN112004169B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112004169B (en) |
| WO (1) | WO2022041432A1 (en) |
Cited By (6)
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| CN112312246A (en) * | 2020-11-30 | 2021-02-02 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112468911A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN112492469A (en) * | 2020-12-25 | 2021-03-12 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112511932A (en) * | 2020-12-18 | 2021-03-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN112637753A (en) * | 2020-12-02 | 2021-04-09 | 益阳市信维声学科技有限公司 | Preparation method of loudspeaker module |
| CN114979849A (en) * | 2022-04-07 | 2022-08-30 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
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| US20190014407A1 (en) * | 2017-07-04 | 2019-01-10 | AAC Technologies Pte. Ltd. | Speaker Box |
| CN208353585U (en) * | 2018-01-04 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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