CN208638675U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN208638675U CN208638675U CN201821284905.6U CN201821284905U CN208638675U CN 208638675 U CN208638675 U CN 208638675U CN 201821284905 U CN201821284905 U CN 201821284905U CN 208638675 U CN208638675 U CN 208638675U
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- CN
- China
- Prior art keywords
- loudspeaker enclosure
- side wall
- slot
- plate
- sound
- 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
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Abstract
The utility model provides a kind of loudspeaker enclosure, the upper cover and lower cover including surrounding accommodating space, and the fixed loudspeaker monomer being contained in the accommodating space；The upper cover includes the side wall for surrounding the accommodating space, and the accommodating space is separated into ante-chamber and the back cavity opposite with the ante-chamber by the loudspeaker monomer, and the loudspeaker enclosure further includes at least two blocks of plates in the back cavity；The position limiting structure being equipped with at least two blocks of plates is provided on the loudspeaker enclosure, at least two plate is inserted in the position limiting structure, and surrounds the sound absorption cavity for filling sound-absorbing material of at least one both ends open jointly with the side wall.The loudspeaker enclosure increases the sound-absorbing aisle spare of loudspeaker enclosure back cavity, improves loudspeaker enclosure performance by setting at least two blocks of plates.
Description
[technical field]
The utility model relates to electroacoustic field, a kind of particularly loudspeaker enclosure.
[background technique]
Loudspeaker enclosure is the important acoustic element of portable electronic device, to complete between electric signal and voice signal
Conversion.As the cavity volume of loudspeaker enclosure is smaller and smaller, in order to enable loudspeaker can play good performance, mould is reduced
The resonance frequency of group improves sound quality, and technical staff would generally add sound-absorbing material in back cavity, to sponge part sound
Can, it is equivalent to the volume for expanding back cavity, to achieve the effect that reduce mould group resonance frequency.
In the prior art, loudspeaker monomer is contained in the accommodating space of loudspeaker enclosure, the back cavity of loudspeaker enclosure includes filling
Sound absorption cavity equipped with sound-absorbing material, sound absorption cavity are surrounded by the plate in loudspeaker cover board and accommodating space.But it generally each raises
There was only one block of plate in sound device case, some sound absorption cavities are located at shell both ends；Additionally due to plate cannot flexibly be bent, thus cannot
Neatly surround the sound absorption cavity of irregular shape.
[utility model content]
To solve the above-mentioned problems, the utility model provides a kind of loudspeaker enclosure comprising surrounds the upper of accommodating space
Lid and lower cover, and the fixed loudspeaker monomer being contained in the accommodating space；The upper cover includes surrounding the receiving sky
Between side wall, the accommodating space is separated into ante-chamber and the back cavity opposite with the ante-chamber by the loudspeaker monomer, described to raise
Sound device case further includes at least two blocks of plates in the back cavity；It is provided on the loudspeaker enclosure and is inserted with described at least two pieces
The position limiting structure that plate is equipped with, at least two plate are inserted in the position limiting structure, and are enclosed jointly with the side wall
At the sound absorption cavity of the filling sound-absorbing material of at least one both ends open.
As an improvement the plate includes the stainless steel stent and screen cloth that fitting is integrated.
As an improvement the stainless steel stent and the screen cloth are bonded by Hot melt adhesive tape.
As an improvement the position limiting structure is the slot being set on the side wall.
As an improvement the quantity of the plate is two pieces, the quantity of the slot is four, two blocks of plates
Both ends are inserted in respectively in four different slots；Two blocks of plates and the side wall collectively form a both ends open
Filling sound-absorbing material sound absorption cavity.
As an improvement the quantity of the plate is two pieces, the quantity of the slot is four, every block of plate
Both ends are inserted in respectively in two different slots, and every block of plate constitutes filling out for a both ends open with side wall respectively
Fill the sound absorption cavity of sound-absorbing material.
As an improvement region corresponding with each sound absorption cavity is provided with one on the loudspeaker enclosure shell
Powder filling hole.
As an improvement the screen cloth includes following any: non-woven fabrics, dust-proof screen cloth and Metal screen cloth.
As an improvement the slot includes the slot bottom extended to form from the side wall and extends shape from the slot bottom
At first cell wall parallel with corresponding side wall；Alternatively, the slot include the second cell wall for being extended to form from the side wall with
And the third cell wall with second walls parallel extended to form from the side wall.
As an improvement the loudspeaker enclosure includes the shaft of setting on the cover, and it is sheathed on described turn
On the axis and rotation section that is located in the back cavity, there are two slots for setting on the rotation section.
The beneficial effects of the utility model are: the loudspeaker enclosure of the utility model is increased by setting at least two blocks of plates
The sound-absorbing aisle spare of loudspeaker enclosure back cavity, improves loudspeaker enclosure performance.
[Detailed description of the invention]
Fig. 1 is the schematic elevation view of one of the utility model embodiment loudspeaker enclosure sector structure；
Fig. 2 is the stereoscopic schematic diagram of one of the utility model embodiment loudspeaker enclosure sector structure；
Fig. 3 is the schematic elevation view of another loudspeaker enclosure sector structure in the utility model embodiment.
[specific embodiment]
The utility model is described in further detail below by specific embodiment combination attached drawing 1 to Fig. 3, so as to energy
The advantages of enough more fully understanding the embodiment of the utility model and its various aspects.Below in an example, it provides in detail below
The purpose of embodiment is easy for becoming apparent from present disclosure thorough explanation, rather than to the limit of the utility model
System.Wherein the words of the indicating positions such as upper and lower, left and right be only for shown structure in respective figure for position.
Embodiment 1
As depicted in figs. 1 and 2, loudspeaker enclosure 10 provided by the embodiment of the utility model includes the upper cover for surrounding accommodating space
11 and lower cover (not shown), and the fixed loudspeaker monomer 12 being contained in accommodating space；Upper cover 11 includes surrounding receipts
Hold the side wall 111 in space, accommodating space is separated into ante-chamber and the back cavity opposite with ante-chamber, loudspeaker enclosure 10 by loudspeaker monomer 12
It further include two blocks of plates in back cavity, i.e. plate 131 and plate 132；It is provided on loudspeaker enclosure 10 and is inserted at least two pieces
The position limiting structure that plate is equipped with, two plates are inserted in position limiting structure, and surround a both ends open jointly with side wall 11
Filling sound-absorbing material sound absorption cavity.
In this way, overcoming the technology difficulty of manufacture and the installation of bending plate, and it is larger that loudspeaker enclosure can be made to have
Sound-absorbing channel.
In the utility model embodiment, plate includes the stainless steel stent and screen cloth that fitting is integrated, stainless steel stent
It is bonded with screen cloth by Hot melt adhesive tape.
The plate of bracket comprising stainless steel material, compared with the existing technology in the plastic slab formed by Shooting Technique
For, since stainless steel stent can be made thickness that is thinner, thus can reducing plate, effectively increases sound-absorbing aisle spare, mention
Rise acoustical behavior.In the utility model embodiment, stainless steel stent and screen cloth are bonded by Hot melt adhesive tape.In adhesion process,
Using heat pressing process, binding force is good between stainless steel stent and screen cloth, and the plate reliability of formation is higher.
Here, screen cloth can be non-woven fabrics, dust-proof screen cloth or Metal screen cloth.It, can be by sound-absorbing after sound can be perforated through screen cloth
Sound-absorbing particle in chamber absorbs.
Position limiting structure is the slot being set on side wall.The quantity of plate is two pieces, i.e. plate 131 and plate 132.Slot
Quantity be four, i.e. slot 141, slot 142, slot 143 and slot 141.The both ends of plate 131 are inserted in slot respectively
141 and slot 142 in, the both ends of plate 132 are inserted in respectively in slot 143 and slot 144.Plate 131, plate 132 and side
Wall collectively forms the sound absorption cavity of the filling sound-absorbing material an of both ends open.
In embodiments of the present invention, loudspeaker enclosure 10 includes the shaft being arranged in upper cover 11, and is sheathed on described turn
On the axis and rotation section 15 that is located in the back cavity, there are two slots, i.e. slot 142 and slot for setting on the rotation section 15
143。
Slot 141 and side wall 144 include the slot bottom extended to form from side wall and extended to form from slot bottom and respective side
The first parallel cell wall of wall, another cell wall of a part of side wall as slot 131.Purpose using position limiting structure is that limitation is inserted
Position of the plate in back cavity.
Embodiment 2
As shown in figure 3, loudspeaker enclosure 20 provided by the embodiment of the utility model includes 21 He of upper cover for surrounding accommodating space
Lower cover (not shown), and the fixed loudspeaker monomer 22 being contained in accommodating space；Upper cover 21 includes surrounding receiving sky
Between side wall 211, accommodating space is separated into ante-chamber and the back cavity opposite with ante-chamber by loudspeaker monomer 22, and loudspeaker enclosure 20 also wraps
Include two blocks of plates being located in back cavity, i.e. plate 231 and plate 232；It is provided on loudspeaker enclosure 10 and is set with two pieces of plate cooperations
The position limiting structure set, two plates are inserted in position limiting structure, and each plate surrounds filling out for a both ends open with side wall respectively
Fill the sound absorption cavity of sound-absorbing material.
In the utility model embodiment, plate includes the stainless steel stent and screen cloth that fitting is integrated, stainless steel stent
It is bonded with screen cloth by Hot melt adhesive tape.
The plate of bracket comprising stainless steel material, compared with the existing technology in the plastic slab formed by Shooting Technique
For, since stainless steel stent can be made thickness that is thinner, thus can reducing plate, effectively increases sound-absorbing aisle spare, mention
Rise acoustical behavior.In the utility model embodiment, stainless steel stent and screen cloth are bonded by Hot melt adhesive tape.In adhesion process,
Using heat pressing process, binding force is good between stainless steel stent and screen cloth, and the plate reliability of formation is higher.
Here, screen cloth can be non-woven fabrics, dust-proof screen cloth or Metal screen cloth.It, can be by sound-absorbing after sound can be perforated through screen cloth
Sound-absorbing particle in chamber absorbs.
Position limiting structure is the slot being set on side wall.In the utility model embodiment, the quantity of plate is two pieces, i.e.,
Plate 231 and plate 232.The quantity of slot is four, i.e. slot 241, slot 242, slot 243 and slot 244.Every block of plate
Both ends be inserted in two different slots respectively, every block of plate respectively with side wall constitute a both ends open filling sound-absorbing
The sound absorption cavity of material.I.e. the both ends of plate 231 are inserted in respectively in slot 241 and slot 242, and the both ends of plate 232 are inserted respectively
In slot 243 and slot 244.Plate 231 and side wall constitute the sound absorption cavity of the filling sound-absorbing material an of both ends open, insert
Plate 232 and side wall constitute the sound absorption cavity of the filling sound-absorbing material an of both ends open.
But in practical applications, the quantity of plate and slot is not limited thereto.For example, it is also possible in a loudspeaker enclosure
In include two both ends opens sound absorption cavity, the sound absorption cavity of each both ends open surrounds by two blocks of plates and side wall.
Region corresponding with each sound absorption cavity is provided with a powder filling hole on loudspeaker enclosure shell.As shown in figure 3,
The corresponding sound absorption cavity being made of plate 231 and side wall in powder filling hole 261, the corresponding suction being made of plate 231 and side wall in powder filling hole 262
Sound chamber.Here, powder filling hole is set on loudspeaker enclosure shell, refers to covering on corresponding position setting powder filling hole or lower lid
Powder filling hole is arranged in corresponding position.
As shown in figure 3, slot include the second cell wall extended to form from side wall and extended to form from side wall with second
The third cell wall of walls parallel, slot bottom of a part of side wall as slot.Purpose using position limiting structure is that limitation plate exists
Position in back cavity.
Compared with prior art, the loudspeaker enclosure is by setting at least two blocks of plates, so that plate and side wall are constituted at least
The sound absorption cavity of one filling sound-absorbing particle, increases the sound-absorbing aisle spare of loudspeaker enclosure back cavity, improves loudspeaker enclosure performance.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (10)
1. a kind of loudspeaker enclosure comprising surround the upper cover and lower cover of accommodating space, and fixation is contained in the accommodating space
Interior loudspeaker monomer；The upper cover includes the side wall for surrounding the accommodating space, and the loudspeaker monomer is empty by the receiving
Between be separated into ante-chamber and the back cavity opposite with the ante-chamber, which is characterized in that the loudspeaker enclosure further include be located at the back cavity
In at least two blocks of plates；
The position limiting structure being equipped with at least two blocks of plates, at least two plate are provided on the loudspeaker enclosure
It is inserted in the position limiting structure, and surrounds the sound-absorbing for filling sound-absorbing material of at least one both ends open jointly with the side wall
Chamber.
2. loudspeaker enclosure according to claim 1, which is characterized in that the plate includes the stainless steel branch that fitting is integrated
Frame and screen cloth.
3. loudspeaker enclosure according to claim 2, which is characterized in that the stainless steel stent and the screen cloth pass through hot melt
Adhesive tape bonding.
4. loudspeaker enclosure according to claim 3, which is characterized in that the position limiting structure is to be set on the side wall
Slot.
5. loudspeaker enclosure according to claim 4, which is characterized in that the quantity of the plate is two pieces, the slot
Quantity is four, and the both ends of two blocks of plates are inserted in respectively in four different slots；Two blocks of plates and institute
State the sound absorption cavity that side wall collectively forms the filling sound-absorbing material an of both ends open.
6. loudspeaker enclosure according to claim 4, which is characterized in that the quantity of the plate is two pieces, the slot
Quantity is four, and the both ends of every block of plate are inserted in respectively in two different slots, every piece of plate difference
The sound absorption cavity of the filling sound-absorbing material an of both ends open is constituted with side wall.
7. loudspeaker enclosure according to claim 6, which is characterized in that on the loudspeaker enclosure shell with each sound-absorbing
The corresponding region of chamber is provided with a powder filling hole.
8. the loudspeaker enclosure according to claim 5 or 7, which is characterized in that the screen cloth includes following any: nonwoven
Cloth, dust-proof screen cloth and Metal screen cloth.
9. the loudspeaker enclosure according to claim 5 or 7, which is characterized in that the slot includes extending shape from the side wall
At slot bottom and first cell wall parallel with corresponding side wall that is extended to form from the slot bottom；Alternatively, the slot includes certainly
The second cell wall that the side wall extends to form and the third slot with second walls parallel extended to form from the side wall
Wall.
10. loudspeaker enclosure according to claim 5, which is characterized in that the loudspeaker enclosure includes being arranged in the upper cover
On shaft, and the rotation section for being sheathed in the shaft and being located in the back cavity, on the rotation section there are two settings
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284905.6U CN208638675U (en) | 2018-08-09 | 2018-08-09 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284905.6U CN208638675U (en) | 2018-08-09 | 2018-08-09 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638675U true CN208638675U (en) | 2019-03-22 |
Family
ID=65741043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821284905.6U Expired - Fee Related CN208638675U (en) | 2018-08-09 | 2018-08-09 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029634A1 (en) * | 2018-08-09 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2018
- 2018-08-09 CN CN201821284905.6U patent/CN208638675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029634A1 (en) * | 2018-08-09 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| US10674276B2 (en) | 2018-08-09 | 2020-06-02 | AAC Technologies Pte. Ltd. | Speaker assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210809 |