CN106101958A - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN106101958A CN106101958A CN201610578480.9A CN201610578480A CN106101958A CN 106101958 A CN106101958 A CN 106101958A CN 201610578480 A CN201610578480 A CN 201610578480A CN 106101958 A CN106101958 A CN 106101958A
- Authority
- CN
- China
- Prior art keywords
- sidewall
- frame
- loudspeaker enclosure
- magnetic bowl
- loudspeaker
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
nullThe invention provides a kind of loudspeaker enclosure，Housing and the loudspeaker monomer being contained in described housing including tool receiving space，Described housing is provided with the sound for being produced by described loudspeaker monomer and derives the sound channel outside described loudspeaker enclosure，Described loudspeaker monomer includes frame、It is separately fixed at magnetic bowl and the vibrating diaphragm of described frame opposite sides，Described frame、Magnetic bowl and vibrating diaphragm surround an inner chamber jointly，Described frame includes sidewall，Described sidewall includes the upper surface towards described magnetic bowl、The lower surface being oppositely arranged with described upper surface、And connect described upper surface and the inner surface of described lower surface and outer surface，Described frame also includes notch part，Described notch part is formed from described following table towards described upper surface depression and runs through described inner surface and described outer surface，Described vibrating diaphragm periphery is immobilizated in described lower surface and surrounds with described notch part and connect described inner chamber and the gas port of described sound channel.
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 speaker the most more and more uses loudspeaker monomer to combine
The structure of 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 raising of setting for solving existing loudspeaker monomer
The technical problem that sound device case internal gas flow is obstructed, high frequency performance is poor.
Technical scheme is as follows: a kind of loudspeaker enclosure, including having the housing of receiving space and being contained in described shell
The loudspeaker monomer of body, described housing is provided with the sound for being produced by described loudspeaker monomer and derives outside described loudspeaker enclosure
Sound channel, described loudspeaker monomer includes frame, the magnetic bowl being separately fixed at described frame opposite sides and vibrating diaphragm, described
Frame, magnetic bowl and vibrating diaphragm surround an inner chamber jointly, and described frame includes that sidewall, described sidewall include the upper table towards described magnetic bowl
Lower surface that face is oppositely arranged with described upper surface and be connected inner surface and the appearance of described upper surface and described lower surface
Face, described frame also includes notch part, and described notch part towards the depression formation of described upper surface and runs through described from described following table
Inner surface and described outer surface, described vibrating diaphragm periphery is immobilizated in described lower surface and surrounds with described notch part and connect described inner chamber
With the gas port of described sound channel, the air-flow of described interior intracavity flows to described sound channel, Jin Erliu by described gas port
Go out outside described loudspeaker enclosure.
Preferably, the sidewall of described frame is by end to end the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall
Forming, described the first side wall and described 3rd sidewall are oppositely arranged, and described second sidewall and described 4th sidewall are oppositely arranged, institute
Stating the first side wall to arrange near described sound channel side, described notch part is located at described the first side wall.
Preferably, described frame also includes fixing post, and described fixing post extends vertically formation from the upper surface of described sidewall,
Described magnetic bowl cover is connected to described fixing capital end so that described magnetic bowl arranges formation and connects described interior with described sidewall space from end
Chamber and the gas channel of described sound channel.
Preferably, described frame also includes that side groove, described side groove are provided with two, respectively from described second sidewall and
The upper surface of four sidewalls is formed to described lower surface depression and runs through described outer surface.
Preferably, described magnetic bowl includes roof and the magnetic bowl sidewall extended from described roof two ends to described frame direction,
Described magnetic bowl sidewall is connected to described side groove.
Preferably, described frame also includes for connecting described inner chamber and the leak holes of described sound channel, described leakage
Described the first side wall is located in hole, and it is formed from the upper surface of described the first side wall to its lower surface depression and run through described inner surface
With described outer surface.
Preferably, described leak holes and described gas port are the most rectangular, and the area of described gas port is more than described leakage
The area in hole.
Preferably, described leak holes is provided with two, and the end respectively close to described the first side wall is arranged.
The beneficial effects of the present invention is: described magnetic bowl and described vibrating diaphragm are respectively arranged on the opposite sides of described frame, three
Person surrounds an inner chamber jointly, by arranging notch part, described vibrating diaphragm week on the sidewall of described vibrating diaphragm side in described frame
Edge is immobilizated in the lower surface of sidewall and surrounds with this notch part and connect described inner chamber and the gas port of described sound channel, described in
The air-flow of intracavity flows to described sound channel by described gas port, and then flows out to outside described loudspeaker enclosure so that described in raise
Airflow between inner chamber and the external environment of sound device monomer is more unobstructed, and loss of sensitivity is few, is conducive to improving high frequency band,
Improve the acoustical behavior of loudspeaker enclosure, and after the circulation of the internal gas flow of described loudspeaker monomer is unobstructed, be more beneficial for heat radiation, institute
State loudspeaker monomer thermal diffusivity good.
[accompanying drawing explanation]
Fig. 1 is the perspective exploded view of loudspeaker enclosure of the present invention；
Fig. 2 is the generalized section of loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the structural representation of loudspeaker monomer in loudspeaker enclosure shown in Fig. 1；
Fig. 4 is the structural representation of frame in 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.
As Figure 1-4, the present invention provides a kind of loudspeaker enclosure 100, and it includes the housing 1 having receiving space and is contained in
Loudspeaker monomer 2 in described housing 1.Described housing 1 includes the upper shell 11 complementing each other to form described receiving space
With lower house 12.Described upper shell 11 is provided with the sound for being produced by described loudspeaker monomer 2 and derives described loudspeaker enclosure 100
Outer sound channel 101.Described loudspeaker monomer 2 include frame 21, the magnetic circuit system 22 being contained in described frame 21 and for
Produce the vibrational system 23 of sound.
Described frame 21 includes sidewall (non-label), and its sidewall is by end to end the first side wall the 2111, second sidewall
2112, the 3rd sidewall 2113 and the 4th sidewall 2114 form, and surround the accommodation space of both ends open, are used for housing described magnetic circuit system
System 22 and vibrational system 23.Described frame 21 is rectangular, and wherein said the first side wall 2111 is relative with described 3rd sidewall 2113
Interval is arranged, and respectively as the sidewall of described frame 21 long axis direction, and described the first side wall 2111 is near described sound channel
101 sides are arranged, and described second sidewall 2112 and described 4th sidewall 2114 relative spacing are arranged, respectively as described frame 21
The sidewall of short-axis direction.
Described magnetic circuit system 22 includes magnetic bowl 221, main magnet steel 222, the secondary magnet steel 223 of a pair bar shaped, main pole core 224, pair
Pole piece 225 and pad limit 226.Described magnetic bowl 221 is in away from shape, and its lid is connected to described frame 21 top.Described main magnet steel 222 is attached at
The center of described magnetic bowl 221 lower surface, secondary magnet steel 223 described in a pair is symmetrically set in described main magnet steel 222 both sides, and with institute
State formation magnetic gap between main magnet steel 222.Described secondary magnet steel 223 be arranged in parallel with the major axis limit of described magnetic bowl 221, and described pair
Magnet steel 223 and the lower surface of described magnetic bowl 221 be glued mutually and the first side wall 2111 with described frame 21 and the 3rd sidewall 2113
Abut against., described main pole core 224 and described main magnet steel 222 have identical profile and the two between be connected to form one with glue.
Described consequent pole core 225 glue is bonded in the lower surface of described secondary magnet steel 223, and it is in same plane with described main pole core 224.
The bottom of described frame 21 is located on described pad limit 226, and it uses permeability magnetic material to make, and is specifically as follows ferrum, cobalt, nickel and alloy thereof
Deng, for conduct magnetic field, make described vibrational system 23 produce more preferable vibrating effect.
Described vibrational system 23 includes the vibrating diaphragm 231 being fixed on bottom described frame 21 and drives described vibrating diaphragm 231 to vibrate
Voice coil loudspeaker voice coil 232.Described vibrating diaphragm 231 includes centrally located top dome 233 and around described top dome 233 connected folding
Ring 234.The outer peripheral edge of described ring 234 is located between described frame 21 and the pad limit 226 of described magnetic circuit system 22.Described sound
Enclose 232 be connected with described top dome 233 and be suspended in described magnetic gap.
In loudspeaker enclosure 100 of the present invention, described magnetic bowl 221 and described vibrating diaphragm 231 are individually fixed in the phase of described frame 21
To both sides, three surrounds an inner chamber (non-label) jointly.Described frame 21 is provided with gas port near the side of described vibrating diaphragm 231
212, the most described gas port 212 is arranged on bottom described frame 21 and communicates with described inner chamber, is used for connecting described inner chamber and institute
State sound channel 101, the air-flow of described interior intracavity, the air-flow between ring 234 and the magnetic bowl 221 of the most described vibrating diaphragm 231,
Flow to described sound channel 101 by described gas port 212, and then flow out to outside described loudspeaker enclosure 100 so that described inner chamber
Interior airflow is more unobstructed, the conduction of the sound wave that the most described vibrating diaphragm 231 produces, and improves high frequency band, so that this
The sensitivity of invention loudspeaker enclosure 100 is higher, and acoustical behavior is more excellent, but also the most described loudspeaker monomer 2 dispels the heat.Specifically
, the sidewall of described frame 21 all includes the following table being oppositely arranged towards the upper surface of described magnetic bowl 221 with described upper surface
Face, the inner surface connecting described upper surface and described lower surface and outer surface, from the following table of described the first side wall 2111 towards institute
State upper surface cave in and run through described inner surface and described outer surface forms a notch part (non-label), described vibrating diaphragm 231 periphery
It is immobilizated in described lower surface and surrounds described gas port 212 with this notch part.In the present embodiment, described gas port 212 in
Rectangle, the size of described notch part is the size of described gas port 212.
Further, described frame 21 also includes fixing post 210.Described fixing post 210 hangs down from the upper surface of described sidewall
Directly extending formation, described magnetic bowl 221 lid is connected to described fixing post 210 top so that between described magnetic bowl 221 and described sidewall end
Connect described inner chamber and described sound channel 101 every being formed, outwards circulate increase circulation passage for the air-flow of described interior intracavity.
Further, described frame 21 also includes that side groove 213, described side groove 213 are provided with two, respectively from described
The upper surface of two sidewalls 2112 and the 4th sidewall 2114 is formed to described lower surface depression and runs through described outer surface, described magnetic bowl
221 include roof 2211 and the magnetic bowl sidewall 2212 extended from described roof 2211 two ends, described magnetic to described frame 21 direction
Bowl sidewall 2212 is connected to described side groove 213, makes described inner chamber form closing at the bearing of trend of described the first side wall 2111
Sounding cavity, provide low frequency tuning cavity for described loudspeaker enclosure 100.Certainly, airtight sounding chamber mentioned here
Body is not necessarily referring to absolute airtight, is to allow sounding cavity to have with the through hole of decompression function, as long as sounding cavity can complete normally
Acoustic function.
Further, described frame 21 is provided with leak holes 214, described leak holes 214 away from the side of described vibrating diaphragm 231
Connecting described inner chamber and described sound channel 101, the setting of this leak holes 214 makes the sound wave in magnetic gap more can derive smoothly
To described sound channel 101, further improve the sensitivity of loudspeaker enclosure 100.Concrete, described leak holes 214 is with described
Gap portions is also located on described the first side wall 2111 in the same sidewall of described frame 21, the most described leak holes 214, and it is from institute
The upper surface stating the first side wall 2111 is formed to its lower surface depression and runs through described inner surface and described outer surface.In this enforcement
In mode, described leak holes 214 is provided with two, and the end respectively close to described the first side wall 2111 is arranged, described leak holes 214
The most rectangular, and the area of described gas port 212 is more than the area of described leak holes 214.
The loudspeaker enclosure 100 that the present invention provides has the advantages that
Described magnetic bowl 221 and described vibrating diaphragm 231 are respectively arranged on the opposite sides of described frame 21, in three surrounds one jointly
Chamber, by arranging notch part on the sidewall of described vibrating diaphragm 231 side in described frame 21, described vibrating diaphragm 231 periphery holds
Connect the gas port 212 of described inner chamber and described sound channel 101 in the lower surface of sidewall surrounding with this notch part, described in
The air-flow of intracavity flows to described sound channel 101 by described gas port 212, and then flows out to, outside described loudspeaker enclosure 100, make
Obtaining the airflow between inner chamber and the external environment of described loudspeaker monomer 2 more unobstructed, loss of sensitivity is few, is conducive to improving
High frequency band, improves the acoustical behavior of loudspeaker enclosure 100, and after the circulation of the internal gas flow of described loudspeaker monomer 2 is unobstructed, more
Being conducive to heat radiation, described loudspeaker monomer 2 thermal diffusivity is good.
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 (8)
1. a loudspeaker enclosure, including having the housing of receiving space and being contained in the loudspeaker monomer of described housing, described housing
It is provided with the sound for being produced by described loudspeaker monomer and derives the sound channel outside described loudspeaker enclosure, described speaker list
Body includes frame, the magnetic bowl being separately fixed at described frame opposite sides and vibrating diaphragm, and described frame, magnetic bowl and vibrating diaphragm surround jointly
One inner chamber, it is characterised in that described frame include sidewall, described sidewall include the upper surface towards described magnetic bowl and described on
Lower surface that surface is oppositely arranged and connect inner surface and outer surface, the described frame of described upper surface and described lower surface
Also including notch part, described notch part forms and runs through described inner surface and described from described following table towards described upper surface depression
Outer surface, described vibrating diaphragm periphery be immobilizated in described lower surface surrounding with described notch part connect described inner chamber and described go out sound lead to
The gas port in road, the air-flow of described interior intracavity flows to described sound channel by described gas port, and then raises one's voice described in flowing out to
Outside device case.
Loudspeaker enclosure the most according to claim 1, it is characterised in that the sidewall of described frame is by the first end to end side
Wall, the second sidewall, the 3rd sidewall and the 4th sidewall composition, described the first side wall and described 3rd sidewall be oppositely arranged, and described the
Two sidewalls and described 4th sidewall are oppositely arranged, and described the first side wall is arranged near described sound channel side, described notch part
It is located at described the first side wall.
Loudspeaker enclosure the most according to claim 2, it is characterised in that described frame also includes fixing post, described fixing post
Extending vertically formation from the upper surface of described sidewall, described magnetic bowl cover is connected to described fixing capital end so that described magnetic bowl and institute
State sidewall space from end and the formation described inner chamber of connection and the gas channel of described sound channel are set.
Loudspeaker enclosure the most according to claim 3, it is characterised in that described frame also includes side groove, described side groove
Be provided with two, respectively from the upper surface of described second sidewall and the 4th sidewall to described lower surface depression formed and run through described outside
Surface.
Loudspeaker enclosure the most according to claim 4, it is characterised in that described magnetic bowl includes roof and from described roof two ends
The magnetic bowl sidewall extended to described frame direction, described magnetic bowl sidewall is connected to described side groove.
Loudspeaker enclosure the most according to claim 5, it is characterised in that described frame also include for connect described inner chamber and
The leak holes of described sound channel, described leak holes is located at described the first side wall, its from the upper surface of described the first side wall to it
Lower surface depression is formed and runs through described inner surface and described outer surface.
Loudspeaker enclosure the most according to claim 6, it is characterised in that described leak holes and described gas port are the most rectangular,
And the area of described gas port is more than the area of described leak holes.
Loudspeaker enclosure the most according to claim 6, it is characterised in that described leak holes is provided with two, respectively close to described
The end of the first side wall is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578480.9A CN106101958B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578480.9A CN106101958B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106101958A true CN106101958A (en) | 2016-11-09 |
| CN106101958B CN106101958B (en) | 2019-03-22 |
Family
ID=57449929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578480.9A Expired - Fee Related CN106101958B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106101958B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| WO2020258143A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN112165669A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| WO2021134427A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound production device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201718040U (en) * | 2010-06-21 | 2011-01-19 | 瑞声光电科技(常州)有限公司 | Miniature acoustic generator |
| JP2011239086A (en) * | 2010-05-07 | 2011-11-24 | Panasonic Corp | Microphone device |
| CN203086727U (en) * | 2013-01-09 | 2013-07-24 | 瑞声光电科技(常州)有限公司 | Electroacoustic device |
| CN203574855U (en) * | 2013-11-14 | 2014-04-30 | 歌尔声学股份有限公司 | Loudspeaker module |
-
2016
- 2016-07-21 CN CN201610578480.9A patent/CN106101958B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011239086A (en) * | 2010-05-07 | 2011-11-24 | Panasonic Corp | Microphone device |
| CN201718040U (en) * | 2010-06-21 | 2011-01-19 | 瑞声光电科技(常州)有限公司 | Miniature acoustic generator |
| CN203086727U (en) * | 2013-01-09 | 2013-07-24 | 瑞声光电科技(常州)有限公司 | Electroacoustic device |
| CN203574855U (en) * | 2013-11-14 | 2014-04-30 | 歌尔声学股份有限公司 | Loudspeaker module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN108366313B (en) * | 2018-05-17 | 2024-06-04 | 歌尔股份有限公司 | Acoustic generator and earphone |
| WO2020258143A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021134427A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN112165669A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| WO2022082857A1 (en) * | 2020-10-22 | 2022-04-28 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106101958B (en) | 2019-03-22 |
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Granted publication date: 20190322 Termination date: 20210721 |