CN110035354A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN110035354A CN110035354A CN201811636843.5A CN201811636843A CN110035354A CN 110035354 A CN110035354 A CN 110035354A CN 201811636843 A CN201811636843 A CN 201811636843A CN 110035354 A CN110035354 A CN 110035354A
- Authority
- CN
- China
- Prior art keywords
- roof
- upper casing
- loudspeaker
- loudspeaker enclosure
- vibrating diaphragm
- 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
- 230000004888 barrier function Effects 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 241000237983 Trochidae Species 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention provides a kind of loudspeaker enclosures.The loudspeaker enclosure includes upper casing, the loudspeaker monomer for forming the lower casing of accommodating space with the top shells fit and being contained in the accommodating space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm and the upper casing interval are arranged to form ante-chamber, the vibrating diaphragm and the upper casing and the lower casing surround back cavity jointly, the loudspeaker enclosure further includes the breathable barrier being fixedly connected in the back cavity and with the upper casing, the breathable barrier, which is enclosed, is set as accommodating chamber open at one end, the accommodating chamber is connected to the back cavity, seal chamber is formed with the upper casing in the accommodating chamber, sound-absorbing particle is filled in the seal chamber.Breathable barrier described in loudspeaker enclosure provided by the invention directly surrounds the accommodating chamber of receiving sound-absorbing particle, increases the contact area of the breathable barrier Yu sound-absorbing particle, is not take up the space of back cavity.
Description
[technical field]
The present invention relates to electroacoustic conversion art more particularly to a kind of loudspeaker enclosures.
[background technique]
Recently as the fast development of mobile communication technology, consumer is more and more using the shifting for having phonetic function
Dynamic communication apparatus, such as: portable phone, handheld device and laptop computer etc..Playing device of the loudspeaker enclosure as voice,
It designs the speech performance that quality directly affects mobile communication equipment product.In order to meet market for slimming and high tone quality
Demand, to the design of loudspeaker enclosure, more stringent requirements are proposed.
In the related technology, the upper casing of loudspeaker enclosure includes four side barricades, and the packaged type of breathable barrier is to pass through
Heat the modes such as melts or is molded first by screen cloth in conjunction with upper casing, and screen cloth cooperates four side barricades and upper casing to be formed together encapsulation region
PET cover plate for sealing is used after being packed into sound-absorbing particle from the through-hole of upper casing in domain.Thus sound-absorbing particle and the contact surface of accommodating chamber only have
This face of screen cloth plane not only reduces back cavity volume, while also reducing simultaneously because four sides barricade occupies rear cavity space
The encapsulation volume of sound-absorbing particle reduces encapsulation sound-absorbing amounts of particles.
Therefore, it is necessary to provide the new loudspeaker enclosure of one kind to solve drawbacks described above.
[summary of the invention]
The purpose of the present invention is overcoming above-mentioned technical problem, breathable barrier and sound-absorbing particle can be effectively increased by providing one kind
Contact area and increase the loudspeaker enclosure of back cavity volume.
To achieve the goals above, the present invention provides a kind of loudspeaker enclosure, including upper casing and the top shells fit are formed and received
The loudspeaker monomer for holding the lower casing in space and being contained in the accommodating space, the loudspeaker monomer include being used for vibration sounding
Vibrating diaphragm, the vibrating diaphragm and the upper casing interval be arranged to form ante-chamber, and the vibrating diaphragm encloses jointly with the upper casing and the lower casing
At back cavity, the loudspeaker enclosure further includes the breathable barrier being fixedly connected in the back cavity and with the upper casing, described
Breathable barrier, which is enclosed, is set as accommodating chamber open at one end, and the accommodating chamber is connected to the back cavity, in the accommodating chamber with it is described
Upper casing forms seal chamber, fills sound-absorbing particle in the seal chamber.
Preferably, the upper casing includes with the roof of vibrating diaphragm relative spacing setting, from the edge of the roof to leaning on
The side wall of the nearly vibrating diaphragm direction bending extension extends from the roof to the close vibrating diaphragm direction and is used to carry described raise
The supporting walls of sound device monomer and the positioning region extended from the roof to the close breathable barrier direction, the ventilative isolation
Part is fixedly connected with the roof, and is limited in the positioning region.
Preferably, the edge of the open end of the breathable barrier is extended to form to separate receiving cavity direction bending and is turned over
Side, the flange are fixedly connected with the roof, and are limited in the positioning region.
Preferably, the breathable barrier includes with the bottom surface of roof parallel interval setting, from the side of the bottom surface
For edge to the side extended is bent close to the roof direction, side wall described in the bottom surface surrounds the accommodating chamber, described to turn over
While one end from the side far from the bottom surface is bent to form to far from the receiving cavity direction.
Preferably, the roof includes the outlet sound mouth being correspondingly arranged with the vibrating diaphragm position, the outlet sound mouth and institute
Ante-chamber connection is stated, is used for sound conduction to the external world.
Preferably, the roof further includes the through-hole being correspondingly arranged with the breathable barrier position, the through-hole
It is connected to, is used for the sound-absorbing granule filling in the accommodating chamber with the accommodating chamber.
Preferably, the loudspeaker enclosure further includes the diaphragm seal for being installed on the roof and the through-hole being completely covered, institute
State diaphragm seal and the roof ultrasonic sealing.
Compared with the relevant technologies, in loudspeaker enclosure provided by the invention, the breathable barrier directly surrounds receiving sound-absorbing
The accommodating chamber of particle increases the contact area of the breathable barrier Yu sound-absorbing particle；The breathable barrier is net simultaneously
Cloth with lesser thickness and has good flexibility, is not take up the space of the back cavity, while being adapted to described raise
The contact surface of other devices and the breathable barrier, improves the utilization rate of the loudspeaker enclosure accommodating space in sound device case.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of loudspeaker enclosure provided by the invention；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker enclosure shown in FIG. 1；
Fig. 3 is another angle schematic diagram of upper casing shown in Fig. 2；
Fig. 4 is cross-sectional view of the loudspeaker enclosure shown in FIG. 1 along line A-A.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 to Fig. 4, the present invention provides a kind of loudspeaker enclosure 100, and the loudspeaker enclosure 100 includes upper casing
1, lower casing 2, the loudspeaker monomer 3 with vibrating diaphragm 31, breathable barrier 4, diaphragm seal 5, ante-chamber 10, back cavity 20 and accommodating chamber 30,
The breathable barrier 4, which is enclosed, is set as accommodating chamber 30 open at one end.
The upper casing 1 for carrying and protecting the loudspeaker monomer 3, the lower casing 2 be covered on the upper casing 1 and with institute
It states upper casing 1 and cooperatively forms accommodating space, the loudspeaker monomer 3 is contained in the accommodating space.The vibrating diaphragm 31 is for shaking
Dynamic sounding, the upper casing 1 form the ante-chamber 10, the vibrating diaphragm 31 and the upper casing 1 and institute with the setting of the vibrating diaphragm 31 interval
It states lower casing 2 and cooperatively forms the back cavity 20.
The upper casing 1 includes with the roof 11 of 31 relative spacing of vibrating diaphragm setting, from the edge of the roof 11 to leaning on
The side wall 12 of nearly 31 direction of the vibrating diaphragm bending extension extends from the roof 11 to close 31 direction of vibrating diaphragm and is used to hold
Carry the supporting walls 13 of the loudspeaker monomer 3 and from the roof 11 to the positioning extended close to 4 direction of breathable barrier
Portion 14.
The roof 11 includes the outlet sound mouth 111 being correspondingly arranged with 31 position of vibrating diaphragm and ventilative is isolated with described
The through-hole 112 that 4 position of part is correspondingly arranged.The outlet sound mouth 111 is connected to the ante-chamber 10, for by sound conduction to outer
Boundary；The through-hole 112 is connected to the accommodating chamber 30, is used for sound-absorbing granule filling in the accommodating chamber 30.
The whole supporting walls 13 are in rectangular ring structure, and the loudspeaker monomer 3 passes through gluing with the supporting walls 13
It is fixedly connected.
The positioning when positioning region 14 is installed for the breathable barrier 4 is installed with improving the breathable barrier 4
The accuracy of position, and improve production efficiency.In the present embodiment, three sides of the positioning region 14 respectively with the side wall 12
Connection, another side are connect with the supporting walls 13, to guarantee the maximum volume of the accommodating chamber 30, increase the sound-absorbing particle
Quantity improves the acoustical behavior of the loudspeaker enclosure 100, in other embodiments, the positioning region 14 can also with it is described
Side wall 12 or the setting of the interval of the supporting walls 13.
The breathable barrier 4 is fixedly connected with the roof 11, and is limited in the positioning region 14.The ventilative isolation
Part 4 is screen cloth comprising with the bottom surface 41 of 11 parallel interval of roof setting, from the edge of the bottom surface 41 to close to described
The side 42 that the bending of 11 direction of roof extends and one end from the side 42 far from the bottom surface 41 are to far from the receiving
The flange 43 that the bending of 30 direction of chamber extends.The bottom surface 41 and the side 42, which are matched, is encircled into the accommodating chamber 30, the receiving
Chamber 30 is structure open at one end, and the flange 43 is fixedly connected with the roof 11, formation seal chamber, in the seal chamber
Sound-absorbing particle is filled, specifically, the flange 43 is fixed with the roof 11 by gluing.Further, the flange 43 with
The shape of the positioning region 14 matches, and is limited in the positioning region 43.
It is understood that the bottom surface 41 and side 42 of the breathable barrier 4 are contacted with the sound-absorbing particle, increase
Contact area, meanwhile, the breathable barrier 4 is screen cloth, has preferable flexibility, is adapted to the loudspeaker enclosure
The contact surface of other devices and the breathable barrier 4 in 100, to improve the utilization rate of the accommodating space, meanwhile, screen cloth tool
There is lesser thickness, be not take up the space of the back cavity 20, increases the volume of the back cavity 20, be effectively improved the loudspeaker
The acoustical behavior of case 100.
The diaphragm seal 5 is installed on the roof 11, and the through-hole 112 is completely covered, and is formed to the through-hole 112 close
Envelope.Preferably, the diaphragm seal 5 selects PTE material to be made, the diaphragm seal 5 and 11 ultrasonic sealing of roof.
Compared with the relevant technologies, in loudspeaker enclosure 100 provided by the invention, the breathable barrier 4 directly surrounds receiving
The accommodating chamber 30 of sound-absorbing particle increases the contact area of the breathable barrier 4 and sound-absorbing particle；The ventilative isolation simultaneously
Part 4 is screen cloth, has lesser thickness and with good flexibility, is not take up the space of the back cavity 20, while can be with
The contact surface for adapting to other devices and the breathable barrier 4 in the loudspeaker enclosure 100 improves the loudspeaker enclosure 100 and receives
Hold the utilization rate in space.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (7)
1. a kind of loudspeaker enclosure forms the lower casing of accommodating space including upper casing, with the top shells fit and is contained in the receiving
Loudspeaker monomer in space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, between the vibrating diaphragm and the upper casing
Ante-chamber, the vibrating diaphragm and the upper casing are formed every setting and the lower casing surrounds back cavity jointly, which is characterized in that the loudspeaker
Case further includes the breathable barrier being fixedly connected in the back cavity and with the upper casing, and the breathable barrier, which is enclosed, is set as one
The accommodating chamber of end opening, the accommodating chamber are connected to the back cavity, and the accommodating chamber and the upper casing form seal chamber, described close
Seal intracavitary filling sound-absorbing particle.
2. loudspeaker enclosure according to claim 1, which is characterized in that the upper casing includes setting with the vibrating diaphragm relative spacing
The roof set, from the edge of the roof to the side wall extended close to vibrating diaphragm direction bending, from the roof to close to institute
It states vibrating diaphragm direction and extends and be used to carry the supporting walls of the loudspeaker monomer and from the roof to close to the ventilative isolation
The positioning region that part direction extends, the breathable barrier is fixedly connected with the roof, and is limited in the positioning region.
3. loudspeaker enclosure according to claim 2, which is characterized in that the edge of the open end of the breathable barrier is to remote
Flange is extended to form from receiving cavity direction bending, the flange is fixedly connected with the roof, and is limited in the positioning
Portion.
4. loudspeaker enclosure according to claim 3, which is characterized in that the breathable barrier includes parallel with the roof
Spaced bottom surface and the side extended from the edge of the bottom surface to close roof direction bending, the bottom surface
The side surrounds the accommodating chamber, and the one end of the flange from the side far from the bottom surface is to far from the accommodating chamber side
To being bent to form.
5. loudspeaker enclosure according to claim 2, which is characterized in that the roof includes and the vibrating diaphragm position pair
The outlet sound mouth that should be arranged, the outlet sound mouth are connected to the ante-chamber, are used for sound conduction to the external world.
6. loudspeaker enclosure according to claim 2, which is characterized in that the roof further includes and the breathable barrier institute
In the through-hole that position is correspondingly arranged, the through-hole is connected to the accommodating chamber, is used for the sound-absorbing granule filling in the appearance
It receives intracavitary.
7. ante-chamber loudspeaker enclosure according to claim 6, which is characterized in that the loudspeaker enclosure further include be installed on it is described
Roof and the diaphragm seal that the through-hole is completely covered, the diaphragm seal and the roof ultrasonic sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636843.5A CN110035354B (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636843.5A CN110035354B (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110035354A true CN110035354A (en) | 2019-07-19 |
| CN110035354B CN110035354B (en) | 2021-01-15 |
Family
ID=67235425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811636843.5A Expired - Fee Related CN110035354B (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110035354B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131575A (en) * | 2019-12-13 | 2020-05-08 | 歌尔股份有限公司 | Sound generating device module and electronic product |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| CN111935568A (en) * | 2020-07-09 | 2020-11-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| CN112073851A (en) * | 2020-08-27 | 2020-12-11 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2022041431A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204859544U (en) * | 2015-07-03 | 2015-12-09 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN106851493A (en) * | 2017-01-22 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | The method of loudspeaker enclosure and its filling sound absorption powder |
| CN207070326U (en) * | 2017-06-12 | 2018-03-02 | 歌尔科技有限公司 | A kind of loudspeaker module |
| CN108430014A (en) * | 2018-02-11 | 2018-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN208285529U (en) * | 2018-06-27 | 2018-12-25 | 歌尔科技有限公司 | Sounding device and electronic equipment |
-
2018
- 2018-12-29 CN CN201811636843.5A patent/CN110035354B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204859544U (en) * | 2015-07-03 | 2015-12-09 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN106851493A (en) * | 2017-01-22 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | The method of loudspeaker enclosure and its filling sound absorption powder |
| CN207070326U (en) * | 2017-06-12 | 2018-03-02 | 歌尔科技有限公司 | A kind of loudspeaker module |
| CN108430014A (en) * | 2018-02-11 | 2018-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN208285529U (en) * | 2018-06-27 | 2018-12-25 | 歌尔科技有限公司 | Sounding device and electronic equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131575A (en) * | 2019-12-13 | 2020-05-08 | 歌尔股份有限公司 | Sound generating device module and electronic product |
| CN111131575B (en) * | 2019-12-13 | 2021-07-27 | 歌尔股份有限公司 | Sound generating device module and electronic product |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| CN111935568A (en) * | 2020-07-09 | 2020-11-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| WO2022006939A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Speaker module |
| CN112073851A (en) * | 2020-08-27 | 2020-12-11 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2022041431A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110035354B (en) | 2021-01-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |