CN106162425A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN106162425A CN106162425A CN201610581244.2A CN201610581244A CN106162425A CN 106162425 A CN106162425 A CN 106162425A CN 201610581244 A CN201610581244 A CN 201610581244A CN 106162425 A CN106162425 A CN 106162425A
- Authority
- CN
- China
- Prior art keywords
- magnetic circuit
- circuit system
- air
- loudspeaker
- hole
- 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
- 239000000178 monomer Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 2
- 238000009795 derivation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035945 sensitivity 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
Abstract
The invention provides a kind of loudspeaker enclosure, housing and the loudspeaker monomer being contained in described housing including tool receiving space, described loudspeaker monomer includes frame, the magnetic circuit system being contained in described frame and be located at the vibrational system being connected below described magnetic circuit system and with described frame, what described housing was provided with outside the sound derivation extremely described loudspeaker enclosure for described vibrational system being produced goes out acoustic aperture, a back cavity is formed between described magnetic circuit system and described vibrational system, described back cavity with described go out acoustic aperture communicate, described loudspeaker monomer also includes the air-vent running through described magnetic circuit system, described air-vent communicates with described back cavity.The loudspeaker enclosure that the present invention provides runs through the air-vent of described magnetic circuit system by setting, described loudspeaker monomer internal gas flow is more unobstructed, particularly the air-flow between vibrational system and magnetic circuit system, thus improves high frequency band, improve the acoustical behavior of loudspeaker enclosure, and loudspeaker monomer thermal diffusivity is good.
Description
[technical field]
The present invention relates to acoustic-electric conversion art, particularly relate to a kind of loudspeaker enclosure.
[background technology]
In the fast development process of mobile device (such as mobile phone, panel computer or laptop computer), people's merit to product
Can require more and more higher, in order to make entertainment effect more prominent, therefore loudspeaker enclosure the most more and more uses loudspeaker monomer to tie
The structure closing BOX forms loudspeaker enclosure, to obtain the experience of more preferable low frequency.
The loudspeaker enclosure of correlation technique includes loudspeaker monomer and is enclosed in the housing that loudspeaker monomer is peripheral.Wherein institute
State loudspeaker monomer include frame, the magnetic circuit system being contained in described frame and be immobilizated in frame and partial insertion is in magnetic circuit
The vibrational system of system.Described magnetic circuit system includes magnetic bowl and the magnetic steel component being attached on magnetic bowl.Owing to loudspeaker monomer shakes
Substantial amounts of heat can be produced during dynamic sounding, for the ease of heat is distributed in time, generally loudspeaker monomer be inverted in shell
In body, the magnetic bowl of the most described magnetic circuit system is positioned at above magnet steel, utilizes magnetic bowl to accelerate to dispel the heat, but this inverted speaker
Case has the disadvantage in that loudspeaker monomer internal gas flow is obstructed, and particularly the air-flow between vibrational system and magnetic circuit system, leads
The high frequency performance causing loudspeaker enclosure is poor.
Therefore, it is necessary to provide a kind of new loudspeaker enclosure to solve above-mentioned technical problem.
[summary of the invention]
It is an object of the invention to provide a kind of loudspeaker enclosure, it inverts the speaker of setting for existing loudspeaker monomer
The technical problem that case internal gas flow is obstructed and high frequency performance is poor.
Technical scheme is as follows: a kind of loudspeaker enclosure, and it includes the housing of tool receiving space and is contained in described
The loudspeaker monomer of housing, described loudspeaker monomer includes frame, the magnetic circuit system being contained in described frame and is located at described
The vibrational system being connected below magnetic circuit system and with described frame, described housing is provided with the sound for described vibrational system being produced
What sound was derived outside described loudspeaker enclosure goes out acoustic aperture, forms a back cavity between described magnetic circuit system and described vibrational system, described
Back cavity with described go out acoustic aperture communicate, described loudspeaker monomer also includes the air-vent running through described magnetic circuit system, described air-vent
Communicate with described back cavity.
Preferably, described magnetic circuit system includes that magnetic bowl, described magnetic bowl include running through its first through hole arranged, and this first leads to
Hole is described air-vent, and described magnetic bowl and described housing interval arrange formation one back of the body chamber, described back of the body chamber with described go out acoustic aperture phase
Logical, described air-vent connects described back cavity and described back of the body chamber.
Preferably, described air-vent is provided with multiple, and multiple described air-vents are uniformly distributed.
Preferably, described loudspeaker monomer also includes connecting described back cavity and the leak holes in described back of the body chamber.
Preferably, described magnetic bowl assembles in described frame top, and is provided with described between described magnetic bowl and described frame
The clearance space that back cavity communicates, this clearance space is described leak holes.
Preferably, described magnetic bowl includes roof and the magnetic bowl sidewall arranged that connects with described roof, and described first through hole passes through
Wearing the zone line of described roof, described magnetic bowl sidewall is provided with notch part so that form institute between described magnetic bowl and described frame
State clearance space.
Preferably, described magnetic circuit system also includes the magnet steel being attached at institute's magnetic bowl lower surface, and described magnet steel includes running through it
The second through hole arranged, described second through hole and described first through hole are coaxially disposed and are mutually communicated and collectively form described breathing freely
Hole.
Preferably, described magnetic circuit system also includes the pole piece being attached at described magnet steel lower surface, and described pole piece includes running through
Its third through-hole arranged, described third through-hole, the second through hole and the first through hole are coaxially disposed and are mutually communicated and collectively form institute
State air-vent.
Preferably, described loudspeaker monomer also includes the Air Filter covering described air-vent, and described Air Filter is located at described
Magnetic circuit system deviates from the side of described back cavity.
Preferably, described housing includes a sidewall, described in go out acoustic aperture and be arranged at this sidewall, and described in go out the central shaft of acoustic aperture
Line is mutually perpendicular to the central axis of described air-vent.
The beneficial effects of the present invention is: run through the air-vent of described magnetic circuit system by setting, when loudspeaker monomer is anti-
When being placed in housing, the air-flow between described magnetic circuit system and described vibrational system is gone out by described air-vent and described housing
Acoustic aperture connects, and then connect with external environment, makes the air-flow within described loudspeaker monomer more unobstructed, particularly vibrational system and
Air-flow between magnetic circuit system, thus improve high frequency band, improve the acoustical behavior of loudspeaker enclosure；And described loudspeaker monomer
Internal gas flow circulation unobstructed after, be more beneficial for heat radiation, described loudspeaker monomer thermal diffusivity is good.
[accompanying drawing explanation]
Fig. 1 is the structural representation of loudspeaker enclosure of the present invention；
Fig. 2 is the perspective exploded view of loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the generalized section of loudspeaker enclosure shown in Fig. 1.
[detailed description of the invention]
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the structural representation of loudspeaker enclosure of the present invention, and Fig. 2 is Fig. 1 institute
Showing the perspective exploded view of loudspeaker enclosure, Fig. 3 is the generalized section of loudspeaker enclosure shown in Fig. 1.The present invention provides one to raise
Sound device case 100, it housing 1 including having receiving space and the loudspeaker monomer 2 being contained in described housing 1.Described speaker
Monomer 2 includes frame 21, the magnetic circuit system 22 being contained in described frame 21, is located at below described magnetic circuit system 22 and with described
The vibrational system 23 that frame 21 connects and the air-vent 24 running through described magnetic circuit system 22.
Described housing 1 includes complementing each other to form the cover plate 11 of described receiving space, upper shell 12 and lower house 13.Described
What upper shell 12 was provided with outside the sound described loudspeaker enclosure 100 of derivation for described vibrational system 23 being produced goes out acoustic aperture 121, should
Go out acoustic aperture 121 to be preferably located on the sidewall of described housing 1, and this sidewall is arranged on described upper shell 12, more excellent,
Described go out the central axis of acoustic aperture 121 be mutually perpendicular to the central axis of described air-vent 24.Described magnetic circuit system 22 and described
Form a back cavity 20 between vibrational system 23, described back cavity 20 with described go out acoustic aperture 121 communicate.
Described magnetic circuit system 22 includes folding magnetic bowl 221, magnet steel 222 and the pole piece 223 set the most successively.Described magnetic bowl
221 assemble in described frame 21 top, and it includes roof and the magnetic bowl sidewall arranged that connects with described roof, and the two is equipped with
Surround ostiolate receiving space, and it is opening down.The roof of described magnetic bowl 221 and described cover plate 11 interval arrange formation one
The back of the body chamber 10, described back of the body chamber 10 with described go out acoustic aperture 121 communicate.Described magnet steel 222 and described pole piece 223 are contained in described magnetic bowl
In the receiving space of 221, wherein said magnet steel 222 be attached at the roof of described magnetic bowl 221 lower surface and with described magnetic bowl side
Wall interval arranges formation magnetic gap, and described pole piece 223 is attached at the lower surface of described magnet steel 222.Described magnetic bowl 221 includes running through
Its first through hole 2210 arranged, described magnet steel 222 includes running through its second through hole 2220 arranged, and described pole piece 223 includes
Running through its third through-hole 2230 arranged, described third through-hole the 2230, second through hole 2220 and the first through hole 2210 are coaxially disposed
And be mutually communicated and collectively form described air-vent 24.Preferably, during described first through hole 2210 runs through described magnetic bowl 221 roof
Between region, with balancing fields, reduce the impact that described magnetic circuit system 22 is caused by perforate as far as possible.Described first through hole 2210,
The shape of the second through hole 2220 and third through-hole 2230 can be the shape of rule or irregular shape, and the shape of rule is concrete
Can be the one in circular, square, triangle, polygon, shapes of other rules do not enumerated be also protected in the present invention certainly
The scope protected.Certainly, described air-vent 24 can also be provided with multiple, and multiple described air-vent 24 is uniformly distributed.
Described vibrational system 23 includes vibrating diaphragm 231, voice coil loudspeaker voice coil 232 and gripper shoe 233.Described vibrating diaphragm 231 includes being positioned at centre
The top dome 234 of position and around described top dome 234 connected ring portion 235.Described gripper shoe 233 is located at described frame
Bottom 21, the periphery in described ring portion 235 is located between described frame 21 and described gripper shoe 233, with this and described frame
21 fix, and the space between described vibrating diaphragm 231 and described magnetic bowl 221 is described back cavity 20, and described vibrating diaphragm 231 and described shell
Space between the lower house 13 of body 1 is ante-chamber 30.Described voice coil loudspeaker voice coil 232 is fixedly arranged on above described vibrating diaphragm 231 and partial insertion
In described magnetic gap, described voice coil loudspeaker voice coil 232 produces Ampere force in described magnetic gap and drives described vibrating diaphragm 231 vibration sounding with this.
Additionally, described loudspeaker monomer 2 also includes connecting described back cavity 20 and the leak holes 25 in described back of the body chamber 10.Specifically
, described magnetic bowl 221 assembles in described frame 21 top, and is provided with between described magnetic bowl 221 and frame 21 and described back cavity 20
The clearance space communicated, this clearance space is described leak holes 25.More specifically, at the magnetic bowl sidewall of described magnetic bowl 221
On offer notch part so that form described clearance space between described magnetic bowl 221 and described frame 21.Preferably, described leakage
Go out acoustic aperture 121 described in hole 25 is close to arrange.
The acoustics of described loudspeaker enclosure 100 is affected in order to avoid dust enters described back cavity 20 from described air-vent 24
Can, described loudspeaker monomer 2 also includes the Air Filter 26 covering described air-vent 24, and described magnetic circuit system is located at by described Air Filter 26
System 22 deviates from the side of described back cavity 20.In the present embodiment, described Air Filter 26 is attached at the upper surface of described magnetic bowl 221
And cover described air-vent 24.
The loudspeaker enclosure 100 that the present invention provides has the advantages that
The air-vent 24 of described magnetic circuit system 22 is run through by setting, when loudspeaker monomer 2 inverts in housing 1, institute
State back cavity air-flow between magnetic circuit system 22 and described vibrational system 23 and go out acoustic aperture by described air-vent 24 and described housing 1
121 connections, and then connects with external environment, make the air-flow within described loudspeaker monomer 2 more unobstructed, particularly top dome 233 and
Air-flow between pole piece 223, thus improve high frequency band, improve the acoustical behavior of loudspeaker enclosure 100；And described speaker list
Body 2 internal gas flow circulation unobstructed after, be more beneficial for heat radiation, described loudspeaker monomer 2 thermal diffusivity is good；The loudspeaker enclosure of the present invention
100 are particularly well-suited to the speaker with large scale loudspeaker monomer, run through the air-vent 24 of magnetic circuit system 22 setting to described
The magnetic field impact of magnetic circuit system 22 is the most small, and loss of sensitivity is little.
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, it is also possible to make improvement, but these belong to the protection model of the present invention
Enclose.
Claims (10)
1. a loudspeaker enclosure, including the housing of tool receiving space be contained in the loudspeaker monomer of described housing, described in raise one's voice
Device monomer includes frame, the magnetic circuit system being contained in described frame and is located at below described magnetic circuit system and connects with described frame
The vibrational system connect, described housing is provided with the sound for described vibrational system being produced and derives going out outside described loudspeaker enclosure
Acoustic aperture, forms a back cavity between described magnetic circuit system and described vibrational system, described back cavity with described go out acoustic aperture communicate, its feature
Being, described loudspeaker monomer also includes the air-vent running through described magnetic circuit system, and described air-vent communicates with described back cavity.
Loudspeaker enclosure the most according to claim 1, it is characterised in that described magnetic circuit system includes magnetic bowl, described magnetic bowl bag
Including and run through its first through hole arranged, this first through hole is described air-vent, described magnetic bowl and described housing interval and arranges shape
Become a back of the body chamber, described back of the body chamber with described go out acoustic aperture communicate, described air-vent connection described back cavity and described back of the body chamber.
Loudspeaker enclosure the most according to claim 1, it is characterised in that described air-vent is provided with multiple is multiple described ventilative
Hole is uniformly distributed.
Loudspeaker enclosure the most according to claim 2, it is characterised in that described loudspeaker monomer also includes connecting described back cavity
Leak holes with described back of the body chamber.
Loudspeaker enclosure the most according to claim 4, it is characterised in that described magnetic bowl assembles in described frame top, and institute
Stating and be provided with the clearance space communicated with described back cavity between magnetic bowl with described frame, this clearance space is described leak holes.
Loudspeaker enclosure the most according to claim 5, it is characterised in that described magnetic bowl includes roof and connects with described roof
The magnetic bowl sidewall arranged, described first through hole runs through the zone line of described roof, and described magnetic bowl sidewall is provided with notch part so that
Described clearance space is formed between described magnetic bowl and described frame.
Loudspeaker enclosure the most according to claim 2, it is characterised in that described magnetic circuit system also includes being attached under institute's magnetic bowl
The magnet steel on surface, described magnet steel includes running through its second through hole arranged, and described second through hole and described first through hole coaxially set
Put and be mutually communicated and collectively form described air-vent.
Loudspeaker enclosure the most according to claim 7, it is characterised in that described magnetic circuit system also includes being attached at described magnet steel
The pole piece of lower surface, described pole piece includes running through its third through-hole arranged, described third through-hole, the second through hole and the first through hole
It is coaxially disposed and is mutually communicated and collectively form described air-vent.
Loudspeaker enclosure the most according to claim 8, it is characterised in that described loudspeaker monomer also includes covering described breathing freely
The Air Filter in hole, described Air Filter is located at described magnetic circuit system and is deviated from the side of described back cavity.
10. according to the loudspeaker enclosure described in claim 1-9 any one, it is characterised in that described housing includes a sidewall, institute
State out acoustic aperture and be arranged at this sidewall, and described in go out acoustic aperture the central axis of central axis and described air-vent be mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581244.2A CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581244.2A CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162425A true CN106162425A (en) | 2016-11-23 |
| CN106162425B CN106162425B (en) | 2019-08-02 |
Family
ID=58060266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581244.2A Expired - Fee Related CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162425B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055601A (en) * | 2017-11-20 | 2018-05-18 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108810770A (en) * | 2018-08-06 | 2018-11-13 | 歌尔股份有限公司 | A kind of acoustical generator |
| CN110278517A (en) * | 2019-07-16 | 2019-09-24 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN110602614A (en) * | 2019-09-09 | 2019-12-20 | Oppo广东移动通信有限公司 | Sound production device and electronic equipment |
| WO2020147542A1 (en) * | 2019-01-16 | 2020-07-23 | 歌尔股份有限公司 | Sound producing device and earphone |
| WO2021109189A1 (en) * | 2019-12-04 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2021243746A1 (en) * | 2020-06-02 | 2021-12-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663683U (en) * | 2010-01-18 | 2010-12-01 | 瑞声声学科技(常州)有限公司 | Sound generator |
| CN201699964U (en) * | 2010-05-25 | 2011-01-05 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN202310078U (en) * | 2011-10-13 | 2012-07-04 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| US20140205135A1 (en) * | 2012-06-20 | 2014-07-24 | Panasonic Corporation | Loudspeaker and equipment including the same |
-
2016
- 2016-07-21 CN CN201610581244.2A patent/CN106162425B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663683U (en) * | 2010-01-18 | 2010-12-01 | 瑞声声学科技(常州)有限公司 | Sound generator |
| CN201699964U (en) * | 2010-05-25 | 2011-01-05 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN202310078U (en) * | 2011-10-13 | 2012-07-04 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| US20140205135A1 (en) * | 2012-06-20 | 2014-07-24 | Panasonic Corporation | Loudspeaker and equipment including the same |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055601A (en) * | 2017-11-20 | 2018-05-18 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108810770A (en) * | 2018-08-06 | 2018-11-13 | 歌尔股份有限公司 | A kind of acoustical generator |
| CN108810770B (en) * | 2018-08-06 | 2021-07-23 | 歌尔股份有限公司 | Acoustic generator |
| WO2020147542A1 (en) * | 2019-01-16 | 2020-07-23 | 歌尔股份有限公司 | Sound producing device and earphone |
| CN110278517A (en) * | 2019-07-16 | 2019-09-24 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN110602614A (en) * | 2019-09-09 | 2019-12-20 | Oppo广东移动通信有限公司 | Sound production device and electronic equipment |
| WO2021109189A1 (en) * | 2019-12-04 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2021243746A1 (en) * | 2020-06-02 | 2021-12-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106162425B (en) | 2019-08-02 |
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Granted publication date: 20190802 Termination date: 20210721 |