CN106101958B - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN106101958B CN106101958B CN201610578480.9A CN201610578480A CN106101958B CN 106101958 B CN106101958 B CN 106101958B CN 201610578480 A CN201610578480 A CN 201610578480A CN 106101958 B CN106101958 B CN 106101958B
- Authority
- CN
- China
- Prior art keywords
- side wall
- frame
- loudspeaker
- magnetic bowl
- loudspeaker enclosure
- 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.)
- Expired - Fee Related
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
Abstract
The present invention provides a kind of loudspeaker enclosures, including having the shell of accommodating space and being contained in the loudspeaker monomer of the shell, the sound that the shell is equipped with for generating the loudspeaker monomer is exported to the sound channel outside the loudspeaker enclosure, the loudspeaker monomer includes frame, it is separately fixed at the magnetic bowl and vibrating diaphragm of the frame opposite sides, the frame, magnetic bowl and vibrating diaphragm surround an inner cavity jointly, the frame includes side wall, the side wall includes towards the upper surface of the magnetic bowl, the lower surface being oppositely arranged with the upper surface, and the inner surface and the outer surface of the connection upper surface and the lower surface, the frame further includes notch section, the notch section is recessed to be formed and through the inner surface and the outer surface towards the upper surface from the following table, the vibrating diaphragm periphery is immobilizated in the lower surface and lacks with described Oral area surrounds the gas port for being connected to the inner cavity and the sound channel.
Description
[technical field]
The present invention relates to acoustic-electric conversion art more particularly to a kind of loudspeaker enclosures.
[background technique]
In the fast development process of mobile device (such as mobile phone, tablet computer or laptop computer), function of the people to product
It can require higher and higher, in order to keep entertainment effect more prominent, therefore loudspeaker is also more and more combined using loudspeaker monomer
The structure of BOX forms loudspeaker enclosure, to obtain better low frequency experience.
The loudspeaker enclosure of the relevant technologies includes loudspeaker monomer and the shell for being enclosed in loudspeaker monomer periphery.Wherein institute
Loudspeaker monomer is stated to include frame, the magnetic circuit system being contained in the frame and be immobilizated in frame and partial insertion is in magnetic circuit
The vibrational system of system.The magnetic circuit system includes magnetic bowl and the magnetic steel component that is attached on magnetic bowl.Since loudspeaker monomer shakes
A large amount of heat can be generated when dynamic sounding, for the ease of distributing heat in time, is usually inverted loudspeaker monomer in shell
In body, i.e., the magnetic bowl of the described magnetic circuit system is located above magnet steel, accelerates to radiate using magnetic bowl, but this inverted loudspeaker
Case has the disadvantage in that loudspeaker monomer internal gas flow is obstructed, especially the air-flow between vibrational system and magnetic circuit system, leads
Cause the high frequency performance of loudspeaker enclosure poor.
Therefore, it is necessary to provide the new loudspeaker enclosure of one kind to solve the above technical problems.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeaker enclosure, it is used to solve existing loudspeaker monomer and inverts raising for setting
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 shell of accommodating space and being contained in the shell
The loudspeaker monomer of body, the sound that the shell is equipped with for generating the loudspeaker monomer are exported to outside the loudspeaker enclosure
Sound channel, the loudspeaker monomer includes frame, the magnetic bowl and vibrating diaphragm for being separately fixed at the frame opposite sides, described
Frame, magnetic bowl and vibrating diaphragm surround an inner cavity jointly, and the frame includes side wall and the fixed column that is formed on the side wall, described
Side wall includes the lower surface being oppositely arranged towards the upper surface of the magnetic bowl, with the upper surface and connect the upper surface
With the inner surface and the outer surface of the lower surface, the frame further includes notch section, and the notch section is from the following table towards institute
It states upper surface to be recessed to be formed and run through the inner surface and the outer surface, the periphery of the vibrating diaphragm is immobilizated in the lower surface simultaneously
Surround the gas port for being connected to the inner cavity and the sound channel with the notch section, the fixed column is from the upper table of the side wall
Face extends vertically to be formed, and the magnetic bowl cover is connected to the top of the fixed column, and the magnetic bowl is arranged to be formed with the sidewall spacers
It is connected to the airflow channel of the inner cavity and the sound channel, the interior intracavitary air-flow passes through the gas port and the air-flow
Channel flows to the sound channel, and then flows out to outside the loudspeaker enclosure.
Preferably, the side wall of the frame is by end to end the first side wall, second sidewall, third side wall and the 4th side wall
Composition, the first side wall and the third side wall are oppositely arranged, and the second sidewall and the 4th side wall are oppositely arranged, institute
It states the first side wall to be arranged close to the sound channel side, the notch section is set to the first side wall.
Preferably, the frame further includes side slot, there are two the side slot is set, respectively from the second sidewall and
The upper surface of four side walls is recessed to be formed and through the outer surface to the lower surface.
Preferably, the magnetic bowl includes roof and magnetic bowl side wall from the roof both ends to the frame direction that extend from,
The magnetic bowl side wall is connected to the side slot.
Preferably, the frame further includes the leak holes for being connected to the inner cavity and the sound channel, the leakage
Hole is set to the first side wall, is recessed to be formed and through the inner surface from the upper surface of the first side wall to its lower surface
With the outer surface.
Preferably, the leak holes and the gas port are in rectangle, and the area of the gas port is greater than the leakage
The area in hole.
Preferably, there are two the leak holes are set, it is arranged respectively close to the end of the first side wall.
The beneficial effects of the present invention are the opposite sides that: the magnetic bowl and the vibrating diaphragm are respectively arranged on the frame, three
Person surrounds an inner cavity jointly, by the way that notch section, the vibrating diaphragm week are arranged on the side wall of the vibrating diaphragm side in the frame
Edge is immobilizated in the lower surface of side wall and surrounds the gas port for being connected to the inner cavity and the sound channel with the notch section, described interior
Intracavitary air-flow flows to the sound channel by the gas port, and then flows out to outside the loudspeaker enclosure, so that described raise
Airflow between the inner cavity and external environment of sound device monomer is more unobstructed, and loss of sensitivity is few, is conducive to improve high frequency band,
Improve loudspeaker enclosure acoustical behavior, and the loudspeaker monomer internal gas flow circulation it is unobstructed after, be more advantageous to heat dissipation, institute
It is good to state loudspeaker monomer thermal diffusivity.
[Detailed description of the invention]
Fig. 1 is the perspective exploded view of loudspeaker enclosure of the present invention；
Fig. 2 is the diagrammatic cross-section of loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the structural schematic diagram of loudspeaker monomer in loudspeaker enclosure shown in Fig. 1；
Fig. 4 is the structural schematic diagram of frame in loudspeaker enclosure shown in Fig. 1.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figs 1-4, the present invention provides a kind of loudspeaker enclosure 100 comprising has the shell 1 of accommodating space and is contained in
Loudspeaker monomer 2 in the shell 1.The shell 1 includes complementing each other to form the upper housing 11 of the accommodating space under
Shell 12.The sound that the upper housing 11 is equipped with for generating the loudspeaker monomer 2 exports outside the loudspeaker enclosure 100
Sound channel 101.The loudspeaker monomer 2 includes frame 21, is contained in the magnetic circuit system 22 of the frame 21 and for generating
The vibrational system 23 of sound.
The frame 21 includes side wall (not labeled), and side wall is by end to end the first side wall 2111, second sidewall
2112, third side wall 2113 and the 4th side wall 2114 composition, surround the accommodating space of both ends open, for accommodating the magnetic circuit system
System 22 and vibrational system 23.The frame 21 is in rectangle, wherein the first side wall 2111 and the third side wall 2113 are opposite
Interval setting, respectively as the side wall of 21 long axis direction of frame, and the first side wall 2111 is close to the sound channel
The setting of 101 sides, the second sidewall 2112 and 2114 relative spacing of the 4th side wall setting, respectively as the frame 21
The side wall of short-axis direction.
The magnetic circuit system 22 includes magnetic bowl 221, main magnet steel 222, the secondary magnet steel 223 of a pair of of bar shaped, main pole core 224, pair
Pole piece 225 and pad side 226.The magnetic bowl 221 is in away from shape, and lid is connected to 21 top of frame.The main magnet steel 222 is attached at
The center of 221 lower surface of magnetic bowl, a pair of secondary magnet steel 223 are symmetrically set in 222 two sides of main magnet steel, and with institute
It states and forms magnetic gap between main magnet steel 222.The pair magnet steel 223 and the long axis side of the magnetic bowl 221 are arranged in parallel, and the pair
The lower surface of magnet steel 223 and the magnetic bowl 221 mutually glued and with the frame 21 the first side wall 2111 and third side wall 2113
It abuts against.It is connected to form one between the main pole core 224 and the shape having the same of the main magnet steel 222 and the two with glue.
The consequent pole core 225 is bonded in the lower surface of the secondary magnet steel 223 with glue, is in same plane with the main pole core 224.
The pad side 226 is set to the bottom of the frame 21, uses permeability magnetic material to be made, is specifically as follows iron, cobalt, nickel and its alloy
Deng, be used for conduct magnetic field, so that the vibrational system 23 is generated better vibrating effect.
The vibrational system 23 includes being fixed on the vibrating diaphragm 231 of 21 bottom of frame and the vibrating diaphragm 231 being driven to vibrate
Voice coil 232.The vibrating diaphragm 231 includes centrally located top dome 233 and surround the top dome 233 and folding connected to it
Ring 234.The outer peripheral edge of the ring 234 is located between the frame 21 and the pad side 226 of the magnetic circuit system 22.The sound
Circle 232 connect with the top dome 233 and is suspended in the magnetic gap.
In loudspeaker enclosure 100 of the present invention, the magnetic bowl 221 and the vibrating diaphragm 231 are individually fixed in the phase of the frame 21
To two sides, three surrounds an inner cavity (not labeled) jointly.The frame 21 is equipped with gas port close to the side of the vibrating diaphragm 231
212, i.e., the described gas port 212 is arranged in 21 bottom of frame and communicates with the inner cavity, for being connected to the inner cavity and institute
State sound channel 101, the interior intracavitary air-flow, the air-flow between the ring 234 and magnetic bowl 221 of the especially described vibrating diaphragm 231,
The sound channel 101 is flowed to by the gas port 212, and then is flowed out to outside the loudspeaker enclosure 100, so that the inner cavity
Interior airflow is more unobstructed, is conducive to the conduction for the sound wave that the vibrating diaphragm 231 generates, and improves high frequency band, so that this
The sensitivity of invention loudspeaker enclosure 100 is higher, and acoustical behavior is more excellent, and also helps the loudspeaker monomer 2 and radiate.Specifically
, the side wall of the frame 21 includes the following table being oppositely arranged towards the upper surface of the magnetic bowl 221 and the upper surface
The inner surface and the outer surface in face, the connection upper surface and the lower surface, from the following table of the first side wall 2111 towards institute
Upper surface is stated to be recessed and run through one notch section (not labeled) of the inner surface and outer surface formation, 231 periphery of vibrating diaphragm
It is immobilizated in the lower surface and surrounds the gas port 212 with the notch section.In the present embodiment, the gas port 212 is in
Rectangle, the size of the notch section are the size of the gas port 212.
Further, the frame 21 further includes fixed column 210.The fixed column 210 is hung down from the upper surface of the side wall
It directly extends to form, the lid of magnetic bowl 221 is connected to 210 top of fixed column, so that between the magnetic bowl 221 and the side wall end
It is connected to the inner cavity and the sound channel 101 every being formed, circulates outward for the interior intracavitary air-flow and increases circulation passage.
Further, the frame 21 further includes side slot 213, there are two the side slot 213 is set, respectively from described
The upper surface of two side walls 2112 and the 4th side wall 2114 is recessed to be formed and through the outer surface, the magnetic bowl to the lower surface
221 include roof 2211 and the magnetic bowl side wall 2212 extended from 2211 both ends of roof to 21 direction of frame, the magnetic
Bowl side wall 2212 is connected to the side slot 213, and the inner cavity is made to form closing in the extending direction of the first side wall 2111
Sounding cavity, provide low frequency for the loudspeaker enclosure 100 and tune cavity.Certainly, closed sounding chamber mentioned here
Body is not necessarily referring to absolute closed, is the through-hole for allowing sounding cavity to have with decompression function, as long as sounding cavity can be completed normally
Acoustic function.
Further, the frame 21 is equipped with leak holes 214, the leak holes 214 far from the side of the vibrating diaphragm 231
It is connected to the inner cavity and the sound channel 101, the setting of the leak holes 214 is so that the sound wave in magnetic gap more can be exported smoothly
To the sound channel 101, the sensitivity of loudspeaker enclosure 100 is further improved.Specifically, the leak holes 214 with it is described
Gap portions are in the same side wall of the frame 21, i.e., the described leak holes 214 are also set on the first side wall 2111, from institute
The upper surface for stating the first side wall 2111 is recessed to be formed and through the inner surface and the outer surface to its lower surface.In this implementation
In mode, there are two the leak holes 214 are set, it is arranged respectively close to the end of the first side wall 2111, the leak holes 214
It is equally in rectangle, and the area of the gas port 212 is greater than the area of the leak holes 214.
Loudspeaker enclosure 100 provided by the invention has the advantages that
The magnetic bowl 221 and the vibrating diaphragm 231 are respectively arranged on the opposite sides of the frame 21, and three surrounds in one jointly
Chamber, by the way that notch section, 231 periphery of the vibrating diaphragm fixing are arranged on the side wall of 231 side of vibrating diaphragm in the frame 21
Be connected to the gas port 212 of the inner cavity and the sound channel 101 in the lower surface and surrounding with the notch section of side wall, it is described in
Intracavitary air-flow flows to the sound channel 101 by the gas port 212, and then flows out to outside the loudspeaker enclosure 100, makes
The airflow obtained between the inner cavity and external environment of the loudspeaker monomer 2 is more unobstructed, and loss of sensitivity is few, is conducive to improve
After the internal gas flow circulation of high frequency band, the acoustical behavior of raising loudspeaker enclosure 100, and the loudspeaker monomer 2 is unobstructed, more
Be conducive to radiate, 2 thermal diffusivity of loudspeaker monomer 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, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (7)
1. a kind of loudspeaker enclosure, including having the shell of accommodating space and being contained in the loudspeaker monomer of the shell, the shell
It exports equipped with the sound for generating the loudspeaker monomer to the sound channel outside the loudspeaker enclosure, the loudspeaker list
Body includes frame, the magnetic bowl and vibrating diaphragm for being separately fixed at the frame opposite sides, and the frame, magnetic bowl and vibrating diaphragm surround jointly
One inner cavity, which is characterized in that the frame includes side wall and the fixed column that is formed on the side wall, and the side wall includes direction
The upper surface of the magnetic bowl, the lower surface being oppositely arranged with the upper surface and it connect the upper surface and the lower surface
The inner surface and the outer surface, the frame further includes notch section, and the notch section is recessed from the following table towards the upper surface
Form and run through the inner surface and the outer surface, the periphery of the vibrating diaphragm be immobilizated in the lower surface and with the notch section
The gas port for being connected to the inner cavity and the sound channel is surrounded, the upper surface of the fixed column from the side wall extends vertically shape
At the magnetic bowl cover is connected to the top of the fixed column, and the magnetic bowl, which is arranged to be formed with the sidewall spacers, is connected to the inner cavity
With the airflow channel of the sound channel, the interior intracavitary air-flow passes through described in the gas port and airflow channel flow direction
Sound channel, and then flow out to outside the loudspeaker enclosure.
2. loudspeaker enclosure according to claim 1, which is characterized in that the side wall of the frame is by the first end to end side
Wall, second sidewall, third side wall and the 4th side wall composition, the first side wall and the third side wall be oppositely arranged, and described the
Two side walls and the 4th side wall are oppositely arranged, and the first side wall is arranged close to the sound channel side, the notch section
Set on the first side wall.
3. loudspeaker enclosure according to claim 2, which is characterized in that the frame further includes side slot, the side slot
If there are two, it is recessed to be formed and through described outer respectively from the upper surface of the second sidewall and the 4th side wall to the lower surface
Surface.
4. loudspeaker enclosure according to claim 3, which is characterized in that the magnetic bowl includes roof and from the roof both ends
The magnetic bowl side wall extended to the frame direction, the magnetic bowl side wall are connected to the side slot.
5. loudspeaker enclosure according to claim 4, which is characterized in that the frame further include for be connected to the inner cavity and
The leak holes of the sound channel, the leak holes be set to the first side wall, from the upper surface of the first side wall to its
Lower surface is recessed to be formed and through the inner surface and the outer surface.
6. loudspeaker enclosure according to claim 5, which is characterized in that the leak holes and the gas port are in rectangle,
And the area of the gas port is greater than the area of the leak holes.
7. loudspeaker enclosure according to claim 5, which is characterized in that there are two the leak holes are set, 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 CN106101958A (en) | 2016-11-09 |
| CN106101958B true 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) |
Families Citing this family (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 |
| WO2021134427A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN112165669B (en) * | 2020-10-22 | 2021-07-06 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
Citations (3)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011239086A (en) * | 2010-05-07 | 2011-11-24 | Panasonic Corp | Microphone device |
-
2016
- 2016-07-21 CN CN201610578480.9A patent/CN106101958B/en not_active Expired - Fee Related
Patent Citations (3)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106101958A (en) | 2016-11-09 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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Granted publication date: 20190322 Termination date: 20210721 |