CN112153500A - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN112153500A CN112153500A CN202010879342.0A CN202010879342A CN112153500A CN 112153500 A CN112153500 A CN 112153500A CN 202010879342 A CN202010879342 A CN 202010879342A CN 112153500 A CN112153500 A CN 112153500A
- Authority
- CN
- China
- Prior art keywords
- sound
- front cover
- auxiliary
- fixed
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007769 metal material Substances 0.000 claims abstract description 18
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 230000001755 vocal effect Effects 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004021 metal welding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a loudspeaker box which comprises a shell with an accommodating space and a sounding monomer fixedly accommodated in the accommodating space, wherein the sounding monomer and the shell enclose a closed rear sound cavity, and the sounding monomer comprises a vibrating diaphragm for vibrating and sounding; the casing is made by metal material, and the speaker box still includes that the butt is fixed in the supplementary chamber shell in the casing outside, and supplementary chamber shell encloses into supplementary acoustic cavity with the casing jointly, and the casing is equipped with the leakage mouth that runs through it, and the leakage mouth is with back acoustic cavity and supplementary acoustic cavity intercommunication. Compared with the prior art, the loudspeaker box has the advantages of convenience in assembly, high assembly reliability and good sealing 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, in the related art, the front cover and the rear cover of the speaker box 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 good low-frequency acoustic performance.
In order to achieve the above object, the present invention provides a speaker box, which includes a housing having an accommodating space and a sound generating unit fixedly accommodated in the accommodating space, wherein the sound generating unit and the housing enclose a closed rear sound cavity, and the sound generating unit includes a vibrating diaphragm for vibrating and generating sound; the casing is made by metal material, the speaker box still includes the butt and is fixed in the supplementary chamber shell in the casing outside, supplementary chamber shell with the casing encloses into supplementary vocal chamber jointly, the casing is equipped with the leakage mouth that runs through it, the leakage mouth will back vocal chamber with supplementary vocal chamber intercommunication.
Preferably, the auxiliary sound cavity is filled with a sound absorbing material.
Preferably, the housing includes a front cover and a rear cover covering and fixed on the front cover, the front cover includes a front cover body and a front cover side wall bending and extending from the outer periphery of the front cover body to the rear cover direction; the back lid include with the relative back lid body that the interval set up of protecgulum body and by the periphery of back lid body to the protecgulum direction is buckled and is extended and with the fixed back lid lateral wall of protecgulum lateral wall butt, supplementary chamber shell butt is fixed in simultaneously the protecgulum lateral wall with the back lid lateral wall, the protecgulum lateral wall back lid lateral wall and supplementary chamber shell encloses jointly into supplementary acoustic cavity, it runs through along the perpendicular to let out leakage opening the vibration direction of vibrating diaphragm protecgulum lateral wall and/or the setting of back lid lateral wall.
Preferably, the speaker box further comprises an annular support made of plastic and located in the accommodating space, the support is fixedly connected with the front cover body, one side of the sound generating unit provided with the vibrating diaphragm is hermetically fixed with the support and is arranged at an interval with the front cover body, and the sound generating unit, the support and the front cover body jointly enclose a front sound cavity; the front cover side wall is provided with a sound outlet penetrating through the front cover side wall, the support is provided with a sound guide channel penetrating through the support, the sound guide channel is used for communicating the front sound cavity with the sound outlet, and the sound generation monomer, the support, the front cover and the rear cover jointly enclose a closed rear sound cavity.
Preferably, the support including be fixed in the protecgulum body and be annular support body and be formed at the location step of support body internal periphery, the sound production monomer support in location step, the support body encircles the free week side of sound production sets up and with the sound production monomer forms sealed fixed.
Preferably, the speaker box further comprises a breathable isolating piece located in the rear sound cavity, and the breathable isolating piece is fixed to the support body and separates the sound generating unit from the rear sound cavity.
Preferably, the breathable isolating piece comprises an isolating piece body which is opposite to the rear cover body 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 is arranged at a distance from the shell, and the isolating piece fixing part is fixed on one side of the bracket body close to the rear cover body; the breathable partition, the support, the front cover and the rear cover jointly enclose a powder filling space, and sound absorption materials are filled in the powder filling space.
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 bracket body 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 penetrates through the shell; the isolating piece fixing part is fixedly pressed on one side of the conducting piece body, which is far away from the support body.
Preferably, supplementary chamber shell includes the edge the vibration direction of vibrating diaphragm covers each other and establishes fixed supplementary protecgulum and supplementary back lid, supplementary protecgulum is including being fixed in the supplementary protecgulum of casing, by supplementary protecgulum lateral wall that supplementary protecgulum periphery was buckled and is extended and run through the opening of supplementary protecgulum lateral wall, supplementary protecgulum lateral wall is equipped with one side butt of opening is fixed in the casing makes the opening with let out the leakage mouth intercommunication, supplementary back lid establish be fixed in supplementary protecgulum lateral wall and with casing fixed connection.
Preferably, the auxiliary front cover and the auxiliary rear cover are both made of metal materials, and the auxiliary rear cover is welded and fixed on the auxiliary front cover to form the auxiliary cavity shell.
Compared with the prior art, the loudspeaker box of the invention has the advantages that the shell is made of metal material; the loudspeaker box also comprises an auxiliary cavity shell which is abutted and fixed on the outer side of the shell, the auxiliary cavity shell and the shell jointly enclose an auxiliary sound cavity, the shell is provided with a leakage port which penetrates through the shell, and the rear sound cavity is communicated with the auxiliary sound cavity through the leakage port; in the structure, the front cover and the rear cover are made of metal materials, the front cover and the rear cover can be made of thin steel sheets, and the shell can be designed to be thinner, so that the volume of a cavity in the shell is greatly increased, the volume of a rear sound cavity formed by surrounding the sound generating monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is further improved; in addition, an auxiliary sound cavity is added through the arrangement of the auxiliary sound shell, and the auxiliary sound cavity effectively expands the cavity volume of the rear sound cavity, so that the low-frequency acoustic performance is effectively 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 an exploded perspective view of another angle of the speaker box of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 1;
fig. 5 is a sectional view taken along line B-B in fig. 1.
[ 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. 1-5, the present invention provides a speaker box 100, which includes a housing 1 having an accommodating space 10, a sound generating unit 2 fixedly accommodated in the accommodating space 10, a bracket 3 located in the accommodating space 10, and an auxiliary chamber housing 4 abutted and fixed to an outer side of the housing 1, wherein the sound generating unit 2 and the housing 1 together form a rear sound chamber 102.
The shell 1 is made of a metal material, the shell 1 is of a split structure and comprises a front cover 11 made of a metal material and a rear cover 12 made of a metal material and fixed on the front cover 11 in a covering mode, the front cover 11 and the rear cover 12 jointly enclose the accommodating space 10, and the front cover 11 is provided with a sound outlet 13 penetrating through the front cover and communicated with the outside.
The support 3 is made of plastic and is of an annular structure, and the support 3 and the front cover 11 form fixed connection.
The sounding unit 2 comprises a vibrating diaphragm 21 for vibrating and sounding, and the sounding unit 2 is fixedly supported on the support 3 and forms a sealed fixation with the support 3, so that the sounding unit 2, the support 3, the front cover 11 and the rear cover 12 jointly enclose a sealed rear sound cavity 102; of course, in other embodiments, it is also possible to provide no support, and in this case, the sound generating unit is directly and fixedly supported by the housing and encloses a rear sound cavity together with the housing.
The auxiliary cavity shell 4 and the shell 1 jointly enclose an auxiliary sound cavity 103, the shell 1 is provided with a leakage port 104 penetrating through the shell 1, and the rear sound cavity 102 is communicated with the auxiliary sound cavity 103 through the leakage port 104.
Further, supplementary chamber shell 4 includes follows the vibration direction of vibrating diaphragm 21 covers each other and establishes fixed supplementary protecgulum 41 and supplementary back lid 42, supplementary protecgulum 41 is including being fixed in supplementary protecgulum 411 of casing 1, by supplementary protecgulum lateral wall 412 that supplementary protecgulum 411 periphery was buckled and is extended and run through the through-port 413 of supplementary protecgulum lateral wall 412, supplementary protecgulum lateral wall 412 is equipped with one side butt of through-port 413 is fixed in casing 1 makes through-port 413 with leak opening 104 communicates, supplementary back lid 42 is covered and is established and be fixed in supplementary protecgulum lateral wall 412 and with casing 1 fixed connection.
It should be noted that the material of the auxiliary chamber shell 4 is not limited, and it may be a plastic shell or a metal shell, and in the present embodiment, in order to facilitate the assembly of the auxiliary chamber shell 4, preferably, the auxiliary front cover 41 and the auxiliary rear cover 42 are both made of a metal material, and the auxiliary rear cover 42 is welded and fixed to the auxiliary front cover 41 to form the auxiliary chamber shell 4 made of a metal material; preferably, as the shell 1 is also made of a metal material, the shell 1 and the auxiliary cavity shell 4 can be fixed by metal welding, so that the assembly between the two is more convenient.
In the above structure, the front cover 11, the rear cover 12 and the bracket 3 are combined, the front cover 11 and the rear cover 12 are made of metal materials, and can be made of thin steel sheets, at this time, the front cover 11 and the rear cover 12 are fixed by metal welding, this arrangement ensures the structural strength of the housing 1, whereas the housing 1 can be designed to be thinner than the all-plastic housing structures of the related art, the support 3 made of plastic material is fixed with the front cover 11 to support and fix the sounding single body 2 and effectively assemble the sounding single body 2, therefore, the volume of the cavity in the shell 1 is greatly increased, the volume of the rear sound cavity 102 enclosed by the sound generating monomer 2 and the shell 1 is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance of the loudspeaker box is improved; here, it should be noted that, in order to make the casing 1 made of metal material effectively absorb vibration during use, the size setting of the front cover 11 and the rear cover 12 is limited, and therefore, the cavity volume of the rear sound cavity 102 is limited, whereas in the present embodiment, by disposing the auxiliary sound shell 4 outside the casing 1, the auxiliary sound cavity 103 effectively expands the cavity volume of the rear sound cavity 102, thereby effectively improving low-frequency acoustic performance. In addition, the additional auxiliary sound shell 4 can be customized according to the environment of the whole machine, and the maximum cavity utilization of the whole machine is realized.
Specifically, the front cover 11 includes a front cover body 111 provided with the sound outlet 13, and a front cover sidewall 112 extending from an outer peripheral edge of the front cover body 111 to the rear cover 12; the sound outlet 13 is disposed through the front cover sidewall 112 along a direction perpendicular to the vibration direction of the diaphragm 21.
The rear cover 12 includes a rear cover body 121 disposed opposite to the front cover body 111 at an interval, 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 front cover 11 is fixed by welding the front cover sidewall 112 and the rear cover sidewall 122 of the rear cover, and the front cover 11 and the rear cover 12 can be designed to be thinner and have more reliable fixing strength compared with the prior art plastic structure.
The auxiliary cavity housing 4 is simultaneously abutted and fixed to the front cover side wall 112 and the rear cover side wall 122, the front cover side wall 112, the rear cover side wall 122 and the auxiliary cavity housing 4 together enclose the auxiliary acoustic cavity 103, and the leakage port 104 is arranged through the front cover side wall 112 and the rear cover side wall 122 along a direction perpendicular to the vibration direction of the diaphragm 21; of course, in other embodiments, it is also possible to provide the leakage opening only in the front cover side wall or only in the rear cover side wall.
The support 3 and the front cover body 111 form a fixed connection, one side of the sound generating unit 2 provided with the vibrating diaphragm 21 is fixedly sealed on the support 3 and is arranged at an interval with the front cover body 11, the sound generating unit 2, the support 3 and the front cover body 111 jointly enclose a front sound cavity 101, the support 3 is provided with a sound guiding channel 30 penetrating through the support 3, and the front sound cavity 101 is communicated with the sound outlet 13 through the sound guiding channel 30 to form a side sound generating structure of the loudspeaker box 100.
Specifically, the holder 3 includes a ring-shaped holder body 31 fixed to the front cover 11 in a sealing manner, a positioning step 32 formed on an inner peripheral edge of the holder body 31, and a sound guide portion 33 formed by extending the holder body 31.
The support body 31 is fixed in protecgulum body 111, location step 32 by the perpendicular is followed to the peripheral edge in the support body 31 the sunken formation of vibration direction, sound production monomer 2 support in location step 32 is kept away from protecgulum main part 111 one side, sound conduction portion 33 by perpendicular is followed to the outside of support body 31 the protrusion of vibration direction is extended and is formed, sound conduction portion 33 butt in protecgulum lateral wall 112, sound conduction passageway 30 runs through sound conduction portion 33 sets up. In the present embodiment, the bracket 3 is injection-molded to the front cover 1.
The support body 31 partially surrounds the periphery of the sounding unit 2 and is fixed with the sounding unit 2 in a sealing manner, so that the rear sound cavity 102 forms a closed space to improve the low-frequency acoustic performance.
In order to further improve the low-frequency acoustic performance of the speaker 100, the speaker box 100 further includes a breathable isolation member 5 located in the rear sound cavity 102, and the breathable isolation member 5 is fixed to the bracket body 31 and separates the sound-emitting single body 2 from the rear sound cavity 102, so that a powder filling space 7 which can be filled with a sound-absorbing material is formed in the rear sound cavity 102.
Specifically, the breathable isolation member 5 includes an isolation member body 51 opposite to and attached to the back cover body 121 at an interval, an isolation member extension portion 52 bent and extended from the periphery of the isolation member body 51 toward the support 3, and an isolation member fixing portion 53 bent and extended from one end of the isolation member body 51 away from the isolation member extension portion 52, and can be bent and extended toward a direction close to the front cover side wall 112, and can also be bent and extended toward a direction away from the front cover side wall 112. The spacer extending portion 52 is spaced apart from the housing 1, and the spacer fixing portion 52 is fixed to a side of the bracket body 31 close to the rear cover body 121. The breathable isolation piece 5, the support 3, the front cover 11 and the rear cover 12 jointly enclose a powder filling space 7, and the powder filling space 7 is used for filling sound-absorbing materials, such as sound-absorbing particles and sound-absorbing cotton.
Preferably, the auxiliary acoustic cavity 103 is also filled with sound-absorbing material to further optimize the low-frequency acoustic performance.
The speaker box 100 further includes a conductive member 6 for connecting the sound generating unit 2 with an external electric signal. In this embodiment, the conductive device 6 includes a conductive device body 61 fixed on the bracket body 31 near one end of the rear cover 12, a connecting arm 62 extending from two ends of the conductive device body 61 to the sounding single body 2 and electrically connected to the sounding single body 2, and an extending arm 63 extending from the conductive device body 61 to a position far away from the sounding single body 2 and penetrating through the housing 1. In this embodiment, the extension arm 63 penetrates through 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 sidewall 112 and the position penetrating through the rear cover sidewall 122 can be used as an assembly positioning in advance, thereby improving the assembly efficiency.
In order to effectively seal the air-permeable partition 5 and the bracket 3 when they are fixed, and ensure that the sound-absorbing material in the powder filling space 7 does not enter the sound-generating unit 2 and affect the performance thereof, in this embodiment, the partition fixing portion 53 is fixed to the side of the conductive member 61 away from the bracket body 31 by pressing.
Compared with the prior art, the loudspeaker box comprises a shell, a sound-producing unit, a front cover and a rear cover, wherein the shell comprises the front cover made of a metal material and the rear cover made of a metal material and fixedly covered on the front cover; the loudspeaker box also comprises an auxiliary cavity shell which is covered on the outer side of the shell, the auxiliary cavity shell and the shell jointly enclose an auxiliary sound cavity, the shell is provided with a leakage hole which penetrates through the shell, and the rear sound cavity is communicated with the auxiliary sound cavity through the leakage hole; in the structure, the front cover and the rear cover are made of metal materials, the front cover and the rear cover can be made of thin steel sheets, and the shell can be designed to be thinner, so that the volume of a cavity in the shell is greatly increased, the volume of a rear sound cavity formed by surrounding the sound generating monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is further improved; in addition, an auxiliary sound cavity is added through the arrangement of the auxiliary sound shell, and the auxiliary sound cavity effectively expands the cavity volume of the rear sound cavity, so that the low-frequency acoustic performance is effectively 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 (10)
1. The utility model provides a loudspeaker box, its including the casing that has accommodating space with fixed accept in sound production monomer in the accommodating space, sound production monomer with the casing encloses into inclosed back vocal cavity, sound production monomer is including the vibrating diaphragm that is used for vibrating the sound production, a serial communication port, the casing is made by metal material, loudspeaker box still includes the butt and is fixed in the supplementary chamber shell in the casing outside, supplementary chamber shell with the casing encloses into supplementary vocal cavity jointly, the casing is equipped with and runs through the leakage mouth on it, the leakage mouth will back vocal cavity with supplementary vocal cavity intercommunication.
2. A loudspeaker enclosure according to claim 1, wherein the auxiliary sound cavity is filled with a sound absorbing material.
3. The loudspeaker box of claim 1, wherein the housing comprises a front cover and a rear cover covering and fixed on the front cover, the front cover comprises a front cover body and a front cover side wall bending and extending from the outer periphery of the front cover body to the direction of the rear cover; the back lid include with the relative back lid body that the interval set up of protecgulum body and by the periphery of back lid body to the protecgulum direction is buckled and is extended and with the fixed back lid lateral wall of protecgulum lateral wall butt, supplementary chamber shell butt is fixed in simultaneously the protecgulum lateral wall with the back lid lateral wall, the protecgulum lateral wall back lid lateral wall and supplementary chamber shell encloses jointly into supplementary acoustic cavity, it runs through along the perpendicular to let out leakage opening the vibration direction of vibrating diaphragm protecgulum lateral wall and/or the setting of back lid lateral wall.
4. The loudspeaker box of claim 3, further comprising an annular support made of plastic and located in the accommodating space, wherein the support is fixedly connected with the front cover body, one side of the sound-generating unit provided with the diaphragm is hermetically fixed with the support and is spaced from the front cover body, and the sound-generating unit, the support and the front cover body jointly enclose a front sound cavity; the front cover side wall is provided with a sound outlet penetrating through the front cover side wall, the support is provided with a sound guide channel penetrating through the support, the sound guide channel is used for communicating the front sound cavity with the sound outlet, and the sound generation monomer, the support, the front cover and the rear cover jointly enclose a closed rear sound cavity.
5. The speaker box according to claim 4, wherein the bracket includes a bracket body fixed to the front cover body and having a ring shape, and a positioning step formed on an inner peripheral edge of the bracket body, the sound generating unit is supported by the positioning step, and the bracket body is disposed around a peripheral side of the sound generating unit and forms a sealing fixation with the sound generating unit.
6. A loudspeaker enclosure according to claim 5, further comprising a breathable partition within the rear acoustic chamber, the breathable partition being secured to the support body and separating the sound-emitting cells from the rear acoustic chamber.
7. The speaker box according to claim 6, wherein the air-permeable partition includes a partition body spaced apart from and facing the rear cover body and attached to the sound generating unit, a partition extending portion extending from a peripheral edge of the partition body in a bent 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 bent manner; the isolating piece extending part is arranged at a distance from the shell, and the isolating piece fixing part is fixed on one side of the bracket body close to the rear cover body; the breathable partition, the support, the front cover and the rear cover jointly enclose a powder filling space, and sound absorption materials are filled in the powder filling space.
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 bracket body 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 extension arm extending from the conductive member body to a direction away from the sound generating unit and penetrating through the housing; the isolating piece fixing part is fixedly pressed on one side of the conducting piece body, which is far away from the support body.
9. The speaker box of claim 1, wherein the auxiliary chamber housing includes an auxiliary front cover and an auxiliary rear cover that are fixed to each other along the vibration direction of the diaphragm, the auxiliary front cover includes an auxiliary front cover fixed to the housing, an auxiliary front cover side wall that is bent and extended from the periphery of the auxiliary front cover, and a through opening that penetrates the auxiliary front cover side wall, one side of the auxiliary front cover side wall that is provided with the through opening is abutted against and fixed to the housing and communicates the through opening with the leakage opening, and the auxiliary rear cover is fixed to the auxiliary front cover side wall and is fixedly connected to the housing.
10. A loudspeaker enclosure according to claim 9, wherein the auxiliary front cover and the auxiliary rear cover are both made of a metal material, the auxiliary rear cover being welded to the auxiliary front cover to form the auxiliary chamber housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879342.0A CN112153500B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
| PCT/CN2020/124115 WO2022041453A1 (en) | 2020-08-27 | 2020-10-27 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879342.0A CN112153500B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112153500A true CN112153500A (en) | 2020-12-29 |
| CN112153500B CN112153500B (en) | 2022-03-29 |
Family
ID=73888626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010879342.0A Active CN112153500B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112153500B (en) |
| WO (1) | WO2022041453A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114363777A (en) * | 2021-12-30 | 2022-04-15 | 歌尔股份有限公司 | Sound production monomer, sound production module and electronic equipment |
| WO2022143228A1 (en) * | 2020-12-30 | 2022-07-07 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2022257739A1 (en) * | 2021-06-10 | 2022-12-15 | 歌尔股份有限公司 | Sound production device and electronic apparatus |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200952505A (en) * | 2008-06-13 | 2009-12-16 | Foxconn Tech Co Ltd | Sound box structure |
| CN204069237U (en) * | 2014-07-01 | 2014-12-31 | 深圳市金立通信设备有限公司 | Audio cavity structure and there is the terminal of this audio cavity structure |
| CN108769879A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Sound chamber component and electronic equipment afterwards |
| CN108989944A (en) * | 2018-08-03 | 2018-12-11 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109218860A (en) * | 2018-08-02 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109495828A (en) * | 2018-12-31 | 2019-03-19 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| US20190090050A1 (en) * | 2017-09-15 | 2019-03-21 | Intel Corporation | Extracting back volume for speakers in thin unibody devices |
| CN209390357U (en) * | 2018-12-30 | 2019-09-13 | 瑞声科技(新加坡)有限公司 | Microphone device and electronic equipment |
| WO2020062697A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Speaker module, and mobile terminal |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347234B (en) * | 2013-05-29 | 2016-10-05 | 歌尔声学股份有限公司 | Woofer and thereafter operatic tunes forming method |
| CN109714676B (en) * | 2018-12-31 | 2021-01-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2020
- 2020-08-27 CN CN202010879342.0A patent/CN112153500B/en active Active
- 2020-10-27 WO PCT/CN2020/124115 patent/WO2022041453A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200952505A (en) * | 2008-06-13 | 2009-12-16 | Foxconn Tech Co Ltd | Sound box structure |
| CN204069237U (en) * | 2014-07-01 | 2014-12-31 | 深圳市金立通信设备有限公司 | Audio cavity structure and there is the terminal of this audio cavity structure |
| US20190090050A1 (en) * | 2017-09-15 | 2019-03-21 | Intel Corporation | Extracting back volume for speakers in thin unibody devices |
| CN108769879A (en) * | 2018-06-15 | 2018-11-06 | Oppo广东移动通信有限公司 | Sound chamber component and electronic equipment afterwards |
| CN109218860A (en) * | 2018-08-02 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108989944A (en) * | 2018-08-03 | 2018-12-11 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| WO2020062697A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Speaker module, and mobile terminal |
| CN209390357U (en) * | 2018-12-30 | 2019-09-13 | 瑞声科技(新加坡)有限公司 | Microphone device and electronic equipment |
| CN109495828A (en) * | 2018-12-31 | 2019-03-19 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143228A1 (en) * | 2020-12-30 | 2022-07-07 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2022257739A1 (en) * | 2021-06-10 | 2022-12-15 | 歌尔股份有限公司 | Sound production device and electronic apparatus |
| CN114363777A (en) * | 2021-12-30 | 2022-04-15 | 歌尔股份有限公司 | Sound production monomer, sound production module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112153500B (en) | 2022-03-29 |
| WO2022041453A1 (en) | 2022-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112073850B (en) | Loudspeaker box | |
| CN112153500B (en) | Loudspeaker box | |
| CN112004169B (en) | Loudspeaker box | |
| CN112073852B (en) | Loudspeaker box | |
| CN112004168B (en) | Loudspeaker box | |
| CN112104931B (en) | Loudspeaker box | |
| CN112073849A (en) | Loudspeaker box | |
| CN112073855B (en) | Loudspeaker box | |
| CN112004170B (en) | Loudspeaker box | |
| CN112153503B (en) | Sound production device | |
| CN112153502B (en) | Loudspeaker box | |
| CN112073853B (en) | Sound production device | |
| WO2022041439A1 (en) | Loudspeaker box | |
| CN112351356B (en) | Loudspeaker box | |
| CN112468906A (en) | Loudspeaker box and assembling process thereof | |
| CN112153504B (en) | Loudspeaker box | |
| CN112153501B (en) | Loudspeaker box | |
| CN112104933B (en) | Sounding device | |
| CN114125601B (en) | Loudspeaker box | |
| CN112104932B (en) | Sounding device | |
| CN112073854B (en) | Sounding device | |
| CN112073851A (en) | Loudspeaker box | |
| CN112104933A (en) | Sound production device | |
| CN112153504A (en) | Loudspeaker box | |
| CN112073847A (en) | Sound production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |