CN205510384U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN205510384U CN205510384U CN201620150924.4U CN201620150924U CN205510384U CN 205510384 U CN205510384 U CN 205510384U CN 201620150924 U CN201620150924 U CN 201620150924U CN 205510384 U CN205510384 U CN 205510384U
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- Prior art keywords
- pressure relief
- operatic tunes
- gas pressure
- shell
- gland
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Abstract
The utility model discloses a loudspeaker module group, this module include the shell and be arranged in the speaker monomer of the inner chamber of shell, the speaker monomer separates the inner chamber for the operatic tunes before the rupturable each other and the back operatic tunes, wherein, still be provided with on the shell and be used for the intercommunication the back operatic tunes and external environment and the sealed pressure relief device of acoustics, pressure relief device including run through in the pressure release hole of the thickness direction of shell, the pressure release hole is being close to one side of the back operatic tunes is provided with the gland, being close to of gland the surface in pressure release hole is provided with the pressure release groove, the one end in pressure release groove is connected the pressure release hole, the other end in pressure release groove is followed the tip of gland is worn out, and pressure release groove and pressure release hole constitute the pressure releasing pathway of the back operatic tunes jointly. This loudspeaker module group's pressure relief device's pressure release groove is seted up on the gland, and this kind designs the handling ease, can effectively improve loudspeaker module group's yields.
Description
Technical field
This utility model relates to acoustic energy switch technology field, more particularly, to a kind of speaker module.
Background technology
For ensureing that Microspeaker module normally can work, typically at speaker under different air pressure environment
The rear operatic tunes arranges a pressure relief device, to ensure to balance with ambient pressure.
Existing pressure relief device is typically designed as: shell offers a relief hole, shell at the rear operatic tunes
Offering gas pressure relief slot in the side near the rear operatic tunes, a gland is pasted in the top of gas pressure relief slot.This gas pressure relief slot
Formation pressure release passage is connected with relief hole.This pressure release passage can make the rear operatic tunes isobaric with external environment,
And the effect of acoustic seal can be reached.The shortcoming of this design is the complex-shaped of shell, wanting of injection
Ask high, and the width of gas pressure relief slot and the degree of depth etc. are also limited by mould.
Utility model content
A purpose of the present utility model is to provide the new solution of a kind of speaker module.
According to first aspect of the present utility model, it is provided that a kind of speaker module.Outside this module includes
Shell and the loudspeaker monomer in being positioned at the inner chamber of shell, inner chamber is divided into that by described loudspeaker monomer
The front operatic tunes of this isolation and the rear operatic tunes, wherein, described shell is additionally provided with for connecting described rear sound
Chamber and external environment and the pressure relief device of acoustic seal；Described pressure relief device includes through described shell
The relief hole of thickness direction, described relief hole is provided with gland in the side near the described rear operatic tunes,
The end face of the close described relief hole of described gland is provided with gas pressure relief slot, and one end of described gas pressure relief slot connects
Described relief hole, the other end of described gas pressure relief slot passes from the end of described gland, gas pressure relief slot and pressure release
Hole collectively forms the pressure release passage of the rear operatic tunes.
Preferably, described pressure relief device be arranged in described shell for will the described front operatic tunes and described after
On the dividing plate that the operatic tunes separates.
Preferably, described gland is provided with a plurality of gas pressure relief slot.
Preferably, described shell is provided with multiple pressure relief device.
Preferably, the cross section of described gas pressure relief slot is rectangle, arc or triangle.
Preferably, the cross section of described gas pressure relief slot is rectangle, and width and the degree of depth of described gas pressure relief slot are the least
In equal to 0.2mm；The length of described gas pressure relief slot is more than or equal to 2.0mm.
Preferably, described gas pressure relief slot is linear, fold-line-shaped or shaped form.
Preferably, described relief hole is provided with screen cloth at the opposite side away from the described rear operatic tunes.
Preferably, described screen cloth is waterproof and ventilative screen cloth.
Inventor of the present utility model finds, in the prior art, gas pressure relief slot is all to be opened on shell,
To shell processing technique require higher, cause speaker module yields low, and the width of gas pressure relief slot and
The degree of depth is limited by mould.Therefore, this utility model is to be realized technical assignment or to solve
Certainly technical problem is that those skilled in the art never expect or it is not expected that, therefore this practicality
Novel is a kind of new technical scheme.
The speaker module that this utility model provides is provided with pressure relief device, sound after can effectively balancing
Chamber and the air pressure of external environment.Wherein, the gas pressure relief slot of pressure relief device is opened on gland, this design
It is easy to processing, the yields of speaker module can be effectively improved.
Additionally, offer gas pressure relief slot on gland, simple and gas pressure relief slot the size of processing can be entered as required
Row is offered.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, this practicality
Novel further feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows this utility model
Embodiment, and be used for explaining principle of the present utility model together with its explanation.
Fig. 1 is the sectional view of the speaker module of this utility model embodiment.
Fig. 2 is the sectional view of the another kind of speaker module of this utility model embodiment.
Fig. 3 is the partial enlarged drawing in Fig. 1 at A.
Fig. 4 is the schematic diagram of the gland of this utility model embodiment.
Fig. 5 is the schematic diagram of the another kind of gland of this utility model embodiment.
Fig. 6 is the schematic diagram of another gland of this utility model embodiment.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that
Arrive: unless specifically stated otherwise, the relative cloth of the parts illustrated the most in these embodiments and step
Put, numerical expression and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never makees
For to this utility model and application thereof or any restriction of use.
May not beg in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Opinion, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example
Property rather than as limit.Therefore, other example of exemplary embodiment can have different
Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Discuss.
This utility model provides a kind of speaker module, and with reference to Fig. 1-3, this module includes: shell
With loudspeaker monomer 11.Wherein, shell is fastened by upper casing 2, mesochite 3 and lower casing 4 and forms, in it
Portion forms inner chamber, and loudspeaker monomer 11 is contained in inner chamber.Inner chamber is divided into by loudspeaker monomer 11
The front operatic tunes 14 isolated from one another and the rear operatic tunes 15.The vibration component of loudspeaker monomer 11 and upper casing 2 it
Between space be the front operatic tunes 14, the front operatic tunes 14 connects with external environment.The magnetic circuit of loudspeaker monomer 11
Space between assembly and back cover 4 is the rear operatic tunes 15, and the rear operatic tunes 15 is the space sealed.On shell
It is additionally provided with the operatic tunes 15 and external environment and the pressure relief device 12 of acoustic seal after connection.Pressure release
Device 12 includes the relief hole 121 of the thickness direction through shell, and relief hole 121 is near rear sound
The end face in chamber 15 is provided with gland 122.Gland 122 is provided with in the side near relief hole 121 and lets out
Indent 1221, one end of gas pressure relief slot 1221 connects relief hole 121, the other end of gas pressure relief slot 1221 from
The end of gland 122 passes.Gas pressure relief slot 1221 and relief hole 121 collectively form letting out of the rear operatic tunes 15
Pressure passageway.The operatic tunes 15 and external environment after the connection of this pressure release passage, gas can pass through pressure release passage,
After holding, the air pressure in the operatic tunes 15 is consistent with the air pressure of external environment.Further, pressure relief device 12
Gas pressure relief slot 1221 is opened on gland rather than is opened on shell, outside this design greatly reduces
The difficulty of processing of shell, improves the yields of shell, additionally, process gas pressure relief slot 1221 on gland 122
Technique relatively easy, the yields of gland 122 is high, and therefore, this design can be effectively improved
The yields of speaker module.
Loudspeaker monomer includes magnetic circuit system and vibrational system, and wherein magnetic circuit system includes being positioned in inner chamber
Frame, and the Magnet being positioned in frame, there is between Magnet and the sidewall of frame gap, Magnet
On be also provided with washer etc.；Vibrational system includes the vibrating diaphragm being fixed on interior intracavity, and drives vibrating diaphragm to send out
The voice coil loudspeaker voice coil of sound, described voice coil loudspeaker voice coil is fixed on vibrating diaphragm, and is suspended in the gap of Magnet and frame sidewall；
The center of vibrating diaphragm is provided with top dome etc..
After voice coil loudspeaker voice coil is energized, voice coil loudspeaker voice coil can vibrate under the effect of magnetic circuit system, and meanwhile, voice coil loudspeaker voice coil drives
Dynamic vibrating diaphragm together vibrates, it is achieved the sounding of vibrating diaphragm.The front operatic tunes 14 of connection it is additionally provided with on described shell
Acoustic aperture 13 so that the sound that vibrating diaphragm sends can be passed to the external world from acoustic aperture 13.Said structure belongs to
The common knowledge of those skilled in the art, no longer illustrates at this.
It should be noted that this pressure release passage is acoustic seal, those skilled in the art is come
Saying, the implication of acoustic seal is in the state being acoustically in acoustic seal, say, that do not allow sound
Ripple passes.This pressure release passage is acoustic seal, say, that be positioned at the sound in the front operatic tunes 14 not
Can enter in the rear operatic tunes 15 through pressure release passage, thereby may be ensured that the front operatic tunes 14 and the rear operatic tunes 15
Sound isolation, lost efficacy to prevent acoustic short circuit from turn resulting in speaker.
In certain embodiments, pressure release can be realized by means well-known to those skilled in the art to lead to
The acoustic seal in road, that is such as done by pressure release passage is the least, or by means known to other, carries
The damping of this pressure release passage high so that it is become damping hole structure, such that it is able to prevent sound in this pressure release
Propagate in passage.
With reference to Fig. 1-2, in a kind of detailed description of the invention of the present utility model, relief hole 121 is leaning on
The side of the nearly described rear operatic tunes 15 arranges gland 122, when being embodied as, refering to shown in Fig. 4, and gland
122 can be adhesively fixed with shell by double faced adhesive tape 18；It is provided with in the side away from the rear operatic tunes 15
Screen cloth 17 (mesh).Concrete, refering to shown in Fig. 3, it is also possible to by double faced adhesive tape 18 by screen cloth
17 are adhesively fixed on shell so that it is can cover relief hole 121, and this screen cloth 17 is ventilative, it is possible to
Play the effect of damping, thus reach the effect of acoustic seal.Certainly, for those skilled in the art
For Yuan, the spacing size of mesh in regulation screen cloth 17, can reach to regulate the purpose of its damping.This
In utility model, the screen cloth 17 of setting is also prevented from foreign body and enters in the rear operatic tunes 15.More excellent
Choosing, uses waterproof screen cloth, improves the water resistance of speaker module, this speaker module
It is more suitable in water-proof type portable equipment.
With reference to Fig. 1, one of the present utility model preferred embodiment in, mesochite 3 be provided with for
The dividing plate 16 separated with the rear operatic tunes 15 by the front operatic tunes 14, dividing plate 16 is provided with for installing speaker list
The through hole of body 11, the pressure relief device 12 of module is arranged on dividing plate 16.Those skilled in the art should
Understanding, the front operatic tunes 14 connects with external environment by going out acoustic aperture 13, therefore, and the rear operatic tunes 15 and front sound
Chamber 14 connects and is i.e. equivalent to the rear operatic tunes 15 and connects with external environment.It is understood that relief hole 121
The side of the close front operatic tunes 14 be coated with screen cloth 17, near the side of the rear operatic tunes 15, gland is installed.
This speaker module, its pressure relief device 12 is arranged on the inside of shell, not be used in the rear operatic tunes 15 its
His position is separately provided the pressure release passage of connection external environment so that whole speaker module outward appearance is clean and tidy,
The problem that pressure relief device 12 damages or blocks is not had yet.
The material of upper casing 2, mesochite 3 and lower casing 4 is generally plastics, plastic cement or silica gel, Ke Yigen
Using Shooting Technique to be shaped according to predetermined mould, the parts such as relief hole 121, dividing plate 16 can be
In injection moulding process one-body molded.It is of course also possible to outside after casing forming, offer in predetermined position and let out
Pressure hole 121.Further, the cross-sectional area of relief hole 121 can be, but not limited to, circle, square
Shape, triangle etc..For the operatic tunes 15 and the connection of external environment after improving acoustic seal effect and ensureing
Effect, it is preferred that the cross section of relief hole 121 is circular.In order to reduce relief hole 121 and let out
The difficulty of indent 1221 alignment, relief hole 121 is designed to loudspeaker in the side near gas pressure relief slot 1221
Mouth shape, this configuration increases the connection area of relief hole 121 and gas pressure relief slot 1221, makes relief hole
121 is more smooth and easy with the connection of gas pressure relief slot 1221.
Gland 122 generally lamellar, can be designed to the shape such as rectangle, circle, its material as required
Matter can be plastics, such as PE (polyethylene), PC (Merlon), PP (polypropylene) etc., and can
To use one set of die to be shaped by the method being molded, meanwhile, gas pressure relief slot 1221 is in injection one
Secondary molding.Can also be existed by technological means known in the art after gland 122 molding completes
Gas pressure relief slot 1221 is offered on its surface.The simple in construction of gland 122, offers gas pressure relief slot 1221 on its surface
Technique is simple, can offer according to predetermined size.During use, gas pressure relief slot 1221 should be directed at
Relief hole 121, to ensure that pressure release passage is unimpeded, can be incited somebody to action to use the mode such as edge gluing or double faced adhesive tape
Gland 122 bonds on relief hole 121.
Further, with reference to Fig. 4-6, gas pressure relief slot 1221 can be designed to but be not limited to linear,
Fold-line-shaped or shaped form.Wherein, linear gas pressure relief slot 1221 is easy to processing；Fold-line-shaped and curve
The gas pressure relief slot 1221 of shape can increase the length of gas pressure relief slot 1221, makes the acoustic seal of pressure relief device imitate
Fruit is more preferably.Further, the cross section of gas pressure relief slot 1221 can be, but not limited to, rectangle, arc
Or triangle, as long as meeting acoustic seal and the effect of equilibrium air pressure and being easy to process.Need
It is noted that when taking the gas pressure relief slot 1221 of shape shown by Fig. 5 and Fig. 6,122, gland
Body still can be adhesively fixed with shell by double faced adhesive tape 18, and this part has been made and having been shown accordingly by Fig. 4
Meaning, does not repeats them here.
It will be appreciated by persons skilled in the art that gas pressure relief slot 1221 is to the rear operatic tunes 15 and external environment
Air pressure balance and acoustic seal effect play a key effect.Gas pressure relief slot 1221 is the longest and internal diameter is the least
Then acoustic resistance is the biggest, and sound leakage rate is the least, and acoustic seal effect is the best, but the effect of equilibrium air pressure is relatively
Difference；Otherwise, gas pressure relief slot 1221 is the shortest and the biggest then acoustic resistance of internal diameter is the least, and sound leakage rate is the biggest, sound
Learn sealing effectiveness the poorest, but the effect of equilibrium air pressure is preferable.
In a kind of detailed description of the invention of the present utility model, in order to ensure air pressure balance and acoustic seal
Respond well, the cross section of gas pressure relief slot 1221 is rectangle, and width and the degree of depth of gas pressure relief slot 1221 are the least
In equal to 0.2mm.The length of gas pressure relief slot 1221 is more than or equal to 2.0mm.Certainly, gas pressure relief slot 1221
Size is not limited to this, and the selection of size should match with the power of speaker size and speaker.
For the operatic tunes 15 and the air pressure balance of external environment after ensureing, have in one of the present utility model
In the embodiment of body, gland 122 is provided with a plurality of gas pressure relief slot 1221, a plurality of gas pressure relief slot 1221
Can be distributed radially, i.e. by pressing plate center to fringe radiation, connect with relief hole 121 at center.
Can also be a plurality of gas pressure relief slot 1221 parallel distributed, at one end connect, the part of connection and gas pressure relief slot
1221 communicate.In another embodiment, shell is provided with multiple pressure relief device 12, same energy
Ensure air pressure balance.The set-up mode of multiple pressure relief devices 12 can select according to actual needs,
This is not limited by this utility model.
Although specific embodiments more of the present utility model being described in detail by example,
But it should be appreciated by those skilled in the art, example above is merely to illustrate rather than be
Restriction scope of the present utility model.It should be appreciated by those skilled in the art, can be without departing from this reality
In the case of novel scope and spirit, above example is modified.Model of the present utility model
Enclose and be defined by the following claims.
Claims (9)
1. a speaker module, including shell and be positioned at shell inner chamber in loudspeaker monomer
(11), it is characterised in that described loudspeaker monomer (11) inner chamber is divided into isolated from one another before
The operatic tunes (14) and the rear operatic tunes (15), described shell is additionally provided with for connecting the described rear operatic tunes (15)
Pressure relief device (12) with external environment and acoustic seal；Described pressure relief device (12) includes running through
In the relief hole (121) of the thickness direction of described shell, described relief hole (121) is near described
The side of the rear operatic tunes (15) is provided with gland (122), described gland (122) near described in let out
The end face of pressure hole (121) is provided with gas pressure relief slot (1221), and one end of described gas pressure relief slot (1221) is even
Connecing described relief hole (121), the other end of described gas pressure relief slot (1221) is from described gland (122)
End pass, gas pressure relief slot (1221) and relief hole (121) collectively form the described rear operatic tunes (15)
Pressure release passage.
Speaker module the most according to claim 1, it is characterised in that described pressure relief device
(12) be arranged in described shell for will the described front operatic tunes (14) and the described rear operatic tunes (15) every
On the dividing plate (16) opened.
Speaker module the most according to claim 1, it is characterised in that described gland (122)
On be provided with a plurality of gas pressure relief slot (1221).
Speaker module the most according to claim 1, it is characterised in that described shell is arranged
There is multiple pressure relief device (12).
Speaker module the most according to claim 1, it is characterised in that described gas pressure relief slot (1221)
Cross section be rectangle, arc or triangle.
Speaker module the most according to claim 1, it is characterised in that described gas pressure relief slot (1221)
Cross section be rectangle, the width of described gas pressure relief slot (1221) and the degree of depth are respectively less than equal to 0.2mm；
The length of described gas pressure relief slot (1221) is more than or equal to 2.0mm.
Speaker module the most according to claim 1, it is characterised in that described gas pressure relief slot (1221)
For linear, fold-line-shaped or shaped form.
8. according to the speaker module described in claim 1-7 any one, it is characterised in that institute
State relief hole (121) and the opposite side away from the described rear operatic tunes (15) is provided with screen cloth (17).
Speaker module the most according to claim 8, it is characterised in that described screen cloth (17)
For waterproof and ventilative screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150924.4U CN205510384U (en) | 2016-02-29 | 2016-02-29 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150924.4U CN205510384U (en) | 2016-02-29 | 2016-02-29 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205510384U true CN205510384U (en) | 2016-08-24 |
Family
ID=56725986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620150924.4U Active CN205510384U (en) | 2016-02-29 | 2016-02-29 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205510384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454668A (en) * | 2016-10-31 | 2017-02-22 | 歌尔股份有限公司 | MEMS sound production apparatus and electronic device |
| CN109089194A (en) * | 2018-08-09 | 2018-12-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2016
- 2016-02-29 CN CN201620150924.4U patent/CN205510384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454668A (en) * | 2016-10-31 | 2017-02-22 | 歌尔股份有限公司 | MEMS sound production apparatus and electronic device |
| CN109089194A (en) * | 2018-08-09 | 2018-12-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |