CN208739412U - Acoustical generator mould group - Google Patents
Acoustical generator mould group Download PDFInfo
- Publication number
- CN208739412U CN208739412U CN201821694522.6U CN201821694522U CN208739412U CN 208739412 U CN208739412 U CN 208739412U CN 201821694522 U CN201821694522 U CN 201821694522U CN 208739412 U CN208739412 U CN 208739412U
- Authority
- CN
- China
- Prior art keywords
- cavity
- sound
- sounder
- module
- steel sheet
- 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.)
- Active
Links
- 239000002245 particle Substances 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims description 42
- 238000010521 absorption reaction Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 3
- 208000002925 dental caries Diseases 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract 2
- 239000008187 granular material Substances 0.000 description 21
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000001755 vocal effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a kind of acoustical generator mould group, by the way that isolated part is arranged in the region of the filling sound-absorbing particle of the rear operatic tunes, so that filling region formed can mutually air circulation two cavitys, even if the intracorporal sound-absorbing particle packing of the chamber when in use, since that air circulation still may be implemented is smooth for the presence of another cavity, improve the contact area of sound-absorbing particle and air, avoid the unsmooth problem of the air-flow as caused by the accumulation of part sound-absorbing particle, so as to play sound-absorbing effect, and the problem of bring F0 difference uneven because of sound-absorbing distribution of particles caused by sound-absorbing particle packing can be prevented.
Description
Technical Field
The utility model relates to an acoustoelectric conversion technical field. And more particularly, to a sounder module.
Background
With the rapid development of scientific technology, the requirements of consumers on electronic products are higher and higher, and the designs of electronic products such as mobile phones and the like tend to be light and thin based on the requirements of consumers on electronic products. The sounder module is used as an important acoustic component of portable electronic equipment, is used for completing conversion between an electric signal and an acoustic signal, and is an energy conversion device.
The sounder module comprises a shell, wherein a sounder monomer is accommodated in the shell and comprises a vibration system and a magnetic circuit system, and the sounder monomer divides the inner cavity of the whole module into a front sound cavity and a rear sound cavity. In order to lower the resonant frequency of the sounder module (F0), extend the bandwidth, and improve the low frequency performance of the sounder module, technicians typically provide sound absorbing assemblies including sound absorbing materials in the rear sound cavity. Along with science and technology development, granular sound absorbing material is used to in the vocal ware module, and the filling is inhaled the sound granule and can be set up a filling district in the back vocal chamber, and the filling district is through keeping apart vocal ware monomer and filling district such as filling screen cloth to sound granule entering vocal ware monomer is inhaled in the time of preventing the filling or using. However, when the filling device is used, the sound-absorbing particles are often accumulated at the end area of the filling area, and the accumulated sound-absorbing particles can cause unsmooth airflow, so that the sound-absorbing effect cannot be achieved, and the volume of the rear sound cavity is reduced due to accumulation, so that the opposite effect is achieved (namely F0 is increased).
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the sound absorption particles are often accumulated when the prior sounder module is used, the accumulated sound absorption particles can cause unsmooth airflow, the sound absorption effect can not be exerted, and the volume of a rear sound cavity is reduced due to accumulation to play a role in opposition, the utility model provides a sounder module, which comprises a shell, wherein a sounder monomer is accommodated in the shell and comprises a vibration system and a magnetic circuit system, the sounder monomer divides the whole module inner cavity into a front sound cavity and a rear sound cavity, the rear sound cavity comprises a sound absorption area for filling the sound absorption particles, a first isolation part is arranged between the sound absorption area and the sounder monomer,
the sound absorption area is internally provided with a second isolation component which divides the sound absorption area into a first cavity and a second cavity which are communicated with the air, and the sound absorption particles are contained in the first cavity.
Preferably, the first spacer component and/or the second spacer component is a mesh.
Preferably, the first cavity includes opposing first and second ends, the first isolation member is disposed adjacent the first end, and the second cavity includes at least a portion disposed adjacent the second end.
Preferably, a concave portion is arranged on the housing at a position corresponding to the sound absorption area, and the second isolation component covers the concave portion and is fixed on the housing to form the second cavity.
Preferably, the housing comprises an upper shell and an upper cover which enclose the sound absorption area, an opening is formed in the top surface of the upper shell, the upper cover covers the opening and is combined on the inner side wall of the upper shell, the second isolation component is mesh cloth, and the mesh cloth is combined on the inner wall of the upper cover and forms a second cavity with the upper cover.
Preferably, the housing comprises an upper housing and a first steel sheet, the upper housing and the first steel sheet enclose the sound absorption area, the top surface of the upper housing is provided with a hollow part, and the first steel sheet covers the hollow part of the upper housing and is fixedly combined with the edge of the hollow part;
and a second cavity is formed between the second isolation component and the first steel sheet.
Preferably, the second isolation component is a mesh cloth, and the mesh cloth is combined on the inner wall of the first steel sheet in a sticking mode; or,
the screen cloth is bonded on the inner wall of the upper shell on the peripheral side of the first steel sheet in a bonding, injection molding or hot melting mode.
Preferably, the upper case includes a second steel sheet separating the front and rear acoustic chambers.
Preferably, the sounder monomer is provided with a rear sound hole communicated with the rear sound cavity, and the first isolation member covers the rear sound hole.
Preferably, the sounder unit is located below the first cavity, and the second cavity is located above the first cavity.
The utility model has the advantages as follows:
the utility model provides a sounder module, through the regional isolation part that sets up of inhaling the sound granule at the filling of back sound chamber, thereby make the regional two cavitys that can circulation of air each other that form of filling, sound granule is inhaled in the setting of one of them cavity, even inhale the sound granule in this cavity when using like this and pile up, because the existence of another cavity still can realize that the circulation of air is smooth and easy, the area of contact of inhaling sound granule and air has been improved, the problem of the air current that leads to the fact is not smooth owing to piling up of partial sound granule of inhaling has been avoided, thereby can exert the sound effect of inhaling, and can prevent to pile up the problem of the inhomogeneous F0 difference that brings of sound granule distribution that inhales that.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows an explosion diagram of a sounder module according to an embodiment of the present invention.
Fig. 2 shows a schematic right-hand cross-sectional view in fig. 1.
Detailed Description
In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
The utility model provides a sounder module, which comprises an outer shell, the sounder monomer has been accommodated in the shell, the sounder monomer includes vibration system and magnetic circuit, the sounder monomer separates whole module inner chamber for preceding sound chamber and back sound chamber, back sound chamber is including being used for the filling to inhale the sound district of inhaling of sound granule, inhale the sound district with be equipped with first spacer element between the sounder monomer, it is equipped with second spacer element in the sound district to inhale, second spacer element will it separates first cavity and the second cavity that is the circulation of air to inhale the sound district, it holds in the first cavity to inhale the sound granule.
The utility model provides a sounder module, through the regional isolation part that sets up of inhaling the sound granule at the filling of back sound chamber, thereby make the regional two cavitys that can circulation of air each other that form of filling, sound granule is inhaled in the setting of one of them cavity, even inhale the sound granule in this cavity when using like this and pile up, because the existence of another cavity still can realize that the circulation of air is smooth and easy, the area of contact of inhaling sound granule and air has been improved, the problem of the air current that leads to the fact is not smooth owing to piling up of partial sound granule of inhaling has been avoided, thereby can exert the sound effect of inhaling, and can prevent to pile up the problem of the inhomogeneous F0 difference that brings of sound granule distribution that inhales that.
Preferably, the first chamber includes opposite first and second ends, the first isolation member is disposed adjacent the first end, and the second chamber includes at least a portion disposed adjacent the second end. Because the first isolation component has the ventilation function, even if the sound absorption particles nearby the first isolation component are stacked to cause uneven density, the first isolation component equivalently provides an air circulation area, the contact area of the sound absorption particles nearby the first isolation component and the air is increased, and therefore, the second cavity comprises a part close to the second end, and the influence caused by the stacking of the sound absorption particles nearby the second end is avoided.
And a concave part is arranged on the shell corresponding to the sound absorption area, and the second isolation component covers the concave part and is fixed on the shell to form the second cavity. It will be appreciated that the second cavity may be of any design, provided that it is sufficient to have a portion adjacent to the second end, which portion may be defined by the side wall of the housing and the second isolation member, may be defined by the top wall of the housing or the bottom wall of the housing and the second isolation member, or may even be formed by a combination of the above.
The present invention will be described in detail with reference to fig. 1 and 2.
Fig. 1 is an exploded schematic view of a sounder module according to an embodiment of the present invention, and fig. 2 is a right-side cross-sectional schematic view of fig. 1. Referring to fig. 1 and 2, a casing of the acoustic generator module includes a first steel sheet 11, an upper casing 12 and a lower casing 13, a hollow portion is formed on a top surface of the upper casing 12, and the first steel sheet 11 covers the hollow portion of the upper casing 12 and is fixed to an edge of the hollow portion; a second cavity 72 is formed between the second isolation member 32 and the first steel sheet 11. The first steel sheet 11 is provided with a filling hole 21 for filling sound-absorbing particles and a sealing cover 22 for sealing the filling hole 22. Wherein, the sounder monomer 4 is divided into a front sound cavity 80 and a rear sound cavity by the whole module, the magnetic circuit system of the sounder monomer 4 is positioned in the rear sound cavity, the rear sound cavity comprises a sound absorption area 70 isolated from the sounder monomer 4, and the sound absorption area 70 is isolated from the space where the magnetic circuit system in the sounder monomer 4 is positioned by the first isolation part 31, but can be circulated. I.e. the back acoustic chamber, comprises the space in which the magnetic circuit system is located and the sound absorption region 70 described above. In this embodiment, the sound absorbing region 70 includes a first cavity 71 and a second cavity 72, and the first cavity 71 and the second cavity 72 are isolated by a flat second isolating member 32. In fig. 1, the second separating element 32 forms an arc-shaped recess which is free of the filling opening 21. Inhale the sound granule and get into first cavity through the filling of filling hole 21 filling, be in the sound granule of inhaling in the first cavity and generally for filling the state, increase the utilization ratio of first cavity.
In a preferred embodiment, the sounder unit is provided with a rear sound hole communicated with the rear sound cavity, the first isolation component covers the rear sound hole, and the first cavity is filled with sound absorption particles, so that the space of the rear sound cavity is maximized, and the technical 'full filling' is realized.
Certainly, the filling or filling means a filling limit or a filling limit in a process, in an actual process, the filling is performed through a filling process, a filling amount of the sound-absorbing particles is generally over 80%, when a certain filling amount is reached, further filling cannot be performed or continuous filling cannot be performed, so that air circulation is poor, and a sound-absorbing effect is rather poor, therefore, a maximum filling amount (the maximum filling amount cannot generally reach 100%) is generally set in the process, and the maximum filling amount in the process is the filling in the embodiment. The advantage that sets up like this has increased the filling space who inhales the sound granule to under the sound granule is inhaled to the same quantity, when can reducing the volume in back sound chamber, guarantee better bass effect.
Furthermore, under certain special requirements, the sound-absorbing particles can also be completely filled, i.e. the filling amount of the first cavity is 100%.
Referring to fig. 2, the position relationship between the first cavity and the second cavity can be seen, in this embodiment, the sounder unit 4 is located below the first cavity 71, and the second cavity 72 is located above the first cavity 71. Wherein, the part of second cavity 72 near the left side in the figure is the part that above-mentioned second cavity 72 is close to the second end setting, the utility model discloses do not give the repeated description.
In this embodiment, the second cavity 72 is located above the first cavity 71, and in other embodiments, the second cavity may be located below the first cavity, on the left side, or in any combination thereof, which is not exhaustive.
In addition, the sounder monomer may be located at the side of the first cavity and the second cavity, the utility model is not limited thereto.
First isolation parts and second isolation parts can be the screen cloth etc. and first isolation parts can be the same also can be different, the utility model discloses do not do the restriction. In this embodiment, the second isolation component is a mesh cloth, and the mesh cloth may be bonded to the inner wall of the first steel sheet by means of adhesion, or bonded to the inner wall of the upper shell on the peripheral side of the first steel sheet by means of adhesion, injection molding, or hot melting.
Furthermore, the first isolation part can be combined and fixed with the upper shell of the module in the modes of injection molding, hot melting, gluing and the like; or, in some embodiments not shown, the sounder unit includes a housing, and the first spacer may be fixed to the housing of the sounder unit by injection molding, hot melting, gluing, or the like, which is not limited by the present invention.
In some embodiments, not shown, the sound-absorbing region may be formed by an upper cover and an upper shell, both of which are made of plastic, so that the mesh fabric may be bonded to the inner wall of the upper cover or the side wall of the upper shell by means of heat fusion.
Further, in an optional embodiment, an opening is formed in the top surface of the upper shell, the upper cover covers the opening and is combined on the inner side wall of the upper shell, the second isolation component is a mesh cloth, and the mesh cloth is combined on the inner side wall of the upper cover in a hot melting mode to form a second cavity with the upper cover.
The upper cover can be installed later or manufactured together with the upper shell, and during manufacturing, the second isolation component can be manufactured on the upper cover and then combined and fixed with the upper shell in an assembling mode and the like.
In an embodiment not shown in the figures, the upper shell further comprises a second steel sheet separating said front and rear acoustic chambers. In this embodiment, a second isolation member may be bonded to the second steel sheet to form a second cavity, and obviously, the second cavity is located below the first cavity.
In the embodiment in fig. 2, the edge of the first steel sheet 11 is bent towards the rear acoustic cavity to form a blank, and the blank and the edge of the second isolation member 32 form a joint, so that the second isolation member 32 and the first steel sheet enclose a second cavity through the joint.
Of course, in other embodiments, the edge of the first steel sheet projects in the direction of the rear acoustic chamber to form a boss, which forms a joint with the edge of the second isolation member.
Further, the sounder module that shows in fig. 2 is the module of side sound outlet structure, nevertheless the utility model discloses do not prescribe a limit to the position of sound outlet, the sound outlet can set up according to specific need.
In addition, the present embodiment further includes a FPCB board 5 having a circuit thereon, thereby controlling the voice coil to be energized.
The sound vent 61 is shown for adjusting the sound pressure in the back cavity and preventing the diaphragm vibration from being affected, and the sound vent 61 is sealed by a damper 62.
Through the above detailed description, can obviously know, the utility model discloses a sound granule is inhaled in the filling of back sound cavity regional setting isolation parts, has avoided inhaling the not smooth problem of air current that leads to the fact owing to the part to can exert sound absorption effect.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (10)
1. A sounder module comprises a shell, a sounder monomer is accommodated in the shell, the sounder monomer comprises a vibration system and a magnetic circuit system, the sounder monomer divides the inner cavity of the whole module into a front sound cavity and a rear sound cavity, the rear sound cavity comprises a sound absorption area for filling sound absorption particles, a first isolation part is arranged between the sound absorption area and the sounder monomer, and the sounder module is characterized in that,
the sound absorption area is internally provided with a second isolation component which divides the sound absorption area into a first cavity and a second cavity which are communicated with the air, and the sound absorption particles are contained in the first cavity.
2. The module according to claim 1, wherein the first and/or second isolation member is a mesh.
3. The module of claim 1, wherein the first cavity includes opposing first and second ends, the first isolation member being disposed adjacent the first end, and the second cavity including at least a portion disposed adjacent the second end.
4. The module set according to claim 1, wherein a recess is disposed on the housing corresponding to the sound absorption region, and the second isolation member covers the recess and is fixed on the housing to form the second cavity.
5. The module set as set forth in claim 1, wherein the housing comprises an upper shell and an upper cover enclosing the sound absorption area, the top surface of the upper shell forms an opening, the upper cover covers the opening and is combined on the inner side wall of the upper shell, the second isolation component is a mesh cloth combined on the inner wall of the upper cover to form a second cavity with the upper cover.
6. The module according to claim 1, wherein the housing comprises an upper shell and a first steel sheet, the upper shell and the first steel sheet enclose the sound absorption area, the top surface of the upper shell is provided with a hollow, and the first steel sheet covers the hollow of the upper shell and is fixedly combined with the edge of the hollow;
and a second cavity is formed between the second isolation component and the first steel sheet.
7. The die set according to claim 6, wherein the second isolation component is a mesh cloth, and the mesh cloth is bonded on the inner wall of the first steel sheet in an adhering manner; or,
the screen cloth is bonded on the inner wall of the upper shell on the peripheral side of the first steel sheet in a bonding, injection molding or hot melting mode.
8. The module of claim 6 wherein said upper shell includes a second steel sheet separating said front and rear acoustic chambers.
9. The module of claim 1 wherein the sounder unit is provided with a rear sound aperture in communication with the rear sound chamber, the first isolation member covering the rear sound aperture.
10. The module of claim 1 wherein the sounder monomer is located below the first cavity and the second cavity is located above the first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694522.6U CN208739412U (en) | 2018-10-18 | 2018-10-18 | Acoustical generator mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694522.6U CN208739412U (en) | 2018-10-18 | 2018-10-18 | Acoustical generator mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208739412U true CN208739412U (en) | 2019-04-12 |
Family
ID=66035533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821694522.6U Active CN208739412U (en) | 2018-10-18 | 2018-10-18 | Acoustical generator mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208739412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195084A (en) * | 2018-10-18 | 2019-01-11 | 歌尔股份有限公司 | Acoustical generator mould group |
| WO2021109185A1 (en) * | 2019-12-02 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker cabinet |
| CN114554373A (en) * | 2022-03-29 | 2022-05-27 | 歌尔股份有限公司 | Sound production device, assembly method thereof and electronic equipment |
-
2018
- 2018-10-18 CN CN201821694522.6U patent/CN208739412U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195084A (en) * | 2018-10-18 | 2019-01-11 | 歌尔股份有限公司 | Acoustical generator mould group |
| CN109195084B (en) * | 2018-10-18 | 2024-05-03 | 歌尔股份有限公司 | Acoustic generator module |
| WO2021109185A1 (en) * | 2019-12-02 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker cabinet |
| CN114554373A (en) * | 2022-03-29 | 2022-05-27 | 歌尔股份有限公司 | Sound production device, assembly method thereof and electronic equipment |
| CN114554373B (en) * | 2022-03-29 | 2024-03-12 | 歌尔股份有限公司 | Sound generating device, assembly method thereof and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109218928B (en) | Sounding device | |
| CN108124225B (en) | Loudspeaker module and electronic equipment | |
| CN109195084A (en) | Acoustical generator mould group | |
| CN208739412U (en) | Acoustical generator mould group | |
| CN209731559U (en) | A kind of loudspeaker mould group | |
| CN108551635B (en) | Micro speaker module | |
| CN109246563B (en) | Loudspeaker module | |
| CN108566598B (en) | Sound production device | |
| CN207835804U (en) | Sound-producing device and electronic product | |
| CN110198510B (en) | Sound generator | |
| CN111149371B (en) | Loudspeaker and mobile terminal | |
| CN109218929B (en) | Acoustic generator | |
| CN208285531U (en) | Acoustical generator | |
| CN109788395A (en) | Loudspeaker enclosure | |
| WO2019119943A1 (en) | Package structure for sound absorbing particles and speaker module | |
| CN207460510U (en) | A kind of loud speaker module | |
| CN208675505U (en) | Loudspeaker mould group and mobile terminal | |
| CN108566599B (en) | Sound production device and electronic equipment | |
| CN208386926U (en) | Loudspeaker mould group | |
| CN109788413A (en) | Loudspeaker enclosure | |
| CN108377451A (en) | A kind of sound-producing device and electronic equipment | |
| KR102266425B1 (en) | Rectangular type micro speaker | |
| CN109362010B (en) | Loudspeaker module | |
| CN109275063A (en) | Loudspeaker mould group and mobile terminal | |
| CN217486644U (en) | Loudspeaker module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |