CN206272838U - A kind of loudspeaker module - Google Patents
A kind of loudspeaker module Download PDFInfo
- Publication number
- CN206272838U CN206272838U CN201621304446.4U CN201621304446U CN206272838U CN 206272838 U CN206272838 U CN 206272838U CN 201621304446 U CN201621304446 U CN 201621304446U CN 206272838 U CN206272838 U CN 206272838U
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- CN
- China
- Prior art keywords
- operatic tunes
- dividing plate
- boss
- hole
- loudspeaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker module, including module shell and the loudspeaker monomer being housed in the module shell, the module inner chamber that the loudspeaker monomer surrounds the module shell is divided into two cavitys of the preceding operatic tunes and the rear operatic tunes, the dividing plate for the preceding operatic tunes to be separated with the rear operatic tunes is provided with the module inner chamber, the preceding operatic tunes is communicated with the dividing plate with the rear operatic tunes, and the pressure release passage of acoustic seal, the pressure release passage includes the through hole being opened on the dividing plate, position on the dividing plate positioned at the through hole is provided with boss, gas pressure relief slot is offered on the surface of the boss, its top connects the through hole, end extends to the termination of the boss, and there is a certain distance between the termination of end and the boss.Loudspeaker module of the present utility model, pressure relief device is easy to temporary sealing, is convenient for the air tightness test of the preceding operatic tunes, improves testing efficiency.
Description
Technical field
The utility model is related to electro-acoustic product technical field, is to be related to a kind of loudspeaker module specifically.
Background technology
Loudspeaker module is the important acoustic element of portable electric appts, for completing between electric signal and voice signal
Conversion, be a kind of energy conversion device.Existing loudspeaker module, generally comprises module shell and loudspeaker monomer, described
The module inner chamber for housing the loudspeaker monomer is formed in module shell, be divided into for the module inner chamber by the loudspeaker monomer
The preceding operatic tunes and the rear operatic tunes.
Balance is kept in order to operatic tunes air pressure after realizing and ambient pressure, pressure relief device is that loudspeaker module is essential
Part.Existing loudspeaker module, pressure relief device is often arranged between the preceding operatic tunes and the rear operatic tunes, so that loudspeaker module
It is independent of rear operatic tunes pressure release.
Reference picture 1, the common structure of pressure relief device of water-proof loudspeaker module be the preceding operatic tunes in loudspeaker module with
Dividing plate is set between the operatic tunes afterwards, boss 8 is set on dividing plate, the through hole 71 of insertion boss 8 simultaneously, through hole are offered on dividing plate
The 71 preceding operatic tunes of connection and the rear operatic tunes, the termination side wall extension on boss 8 from through hole to boss 8 offer gas pressure relief slot 72, to prolong
Pressure release passage long.In the production process of loudspeaker module, generally by the method for air pressure test come to water-proof loudspeaker module
The preceding operatic tunes carry out waterproof test, when the preceding operatic tunes to loudspeaker module carries out air tightness test, it is necessary to pass through test fixture
Pressure release passage is covered into temporary sealing, the air tightness test of the preceding operatic tunes then can be just carried out.But existing loudspeaker module
This structure, gas pressure relief slot 72 extends to the termination side wall of boss, and gas pressure relief slot 72 has opening on the side wall of boss 8, due to
Test fixture can only cover through hole 71 and gas pressure relief slot 72 from top, it is impossible to seal the opening on the side wall of boss 8 of gas pressure relief slot 72
Mouthful, therefore, it is difficult to by pressure release passage entirety temporary sealing.
Utility model content
Technical problem to be solved in the utility model is：The loudspeaker mould that a kind of pressure relief device is easy to temporary sealing is provided
Group.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of loudspeaker module, including module shell and the loudspeaker monomer that is housed in the module shell, it is described to raise
The module inner chamber that sound device monomer surrounds the module shell is divided into two cavitys of the preceding operatic tunes and the rear operatic tunes, the module inner chamber
The dividing plate for the preceding operatic tunes to be separated with the rear operatic tunes is inside provided with, the preceding operatic tunes and institute are communicated with the dividing plate
State the pressure release passage of the rear operatic tunes and acoustic seal, the pressure release passage includes the through hole being opened on the dividing plate, it is described every
Position on plate positioned at the through hole is provided with boss, and gas pressure relief slot is offered on the surface of the boss, and the connection of its top is described
Through hole, end extends to the termination of the boss, and has a certain distance between the termination of end and the boss.
Preferably, the dividing plate is provided with the damping piece for covering the through hole away from the surface of the gas pressure relief slot.
Preferably, the damping piece is the waterproof membrane of permeable watertight.
Preferably, waterproof membrane is engraved in supporting plate away from supporting plate is pasted with the side of the dividing plate at correspondence through hole
It is empty.
Preferably, it is provided with damping piece for accommodating the damping piece positioned at the position of the through hole on the dividing plate
Groove.
Preferably, the surface of the boss is provided with cover plate, and the cover plate is covered to be let out described in the through hole and part
Indent.
Preferably, the damping piece is arranged on the dividing plate side for closing on the preceding operatic tunes, and the boss is located at institute
State the side that the rear operatic tunes is closed on dividing plate.
Preferably, the gas pressure relief slot is in straight shape or bending.
Preferably, the module shell includes the upper casing, middle shell and the lower casing that snap together, and the dividing plate is arranged on described
On middle shell.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Loudspeaker module of the present utility model, the top connection through hole of gas pressure relief slot, end extends to the termination of boss, and
There is a certain distance between end and the termination of boss, the termination side wall of boss is not reached, on the termination side wall of boss simultaneously
There is no the opening of gas pressure relief slot.The loudspeaker module of this kind of structure, when the preceding operatic tunes to loudspeaker module carries out air tightness test,
Pressure release passage is covered from boss by test fixture and is sealed, it is easy to temporary sealing of practising, facilitate the gas of the preceding operatic tunes
Close property test, is made the method tested by air pressure carry out waterproof test come the preceding operatic tunes to water-proof loudspeaker module and is easily achieved,
Improve testing efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of pressure relief device in existing loudspeaker module；
Fig. 2 is the structural representation of loudspeaker module of the present utility model；
Fig. 3 be Fig. 1 along A-A to longitudinal schematic cross-sectional view；
Fig. 4 is the structural representation of middle shell in Fig. 2；
Fig. 5 is the structural representation (not including cover plate) of pressure relief device part in Fig. 4；
Fig. 6 is the structural representation (including cover plate) of pressure relief device part in Fig. 4；
Fig. 7 is the view that temporary sealing is carried out to the pressure relief device in Fig. 4；
Fig. 8 is the structural representation of the pressure release passage of the pressure relief device in Fig. 3；
In figure：1st, upper casing；2nd, middle shell；21st, dividing plate；3rd, lower casing；4th, loudspeaker monomer；5th, the preceding operatic tunes；6th, the rear operatic tunes；7th, let out
Pressure passageway；71st, through hole；72nd, gas pressure relief slot；8th, boss；9th, waterproof membrane；10th, double faced adhesive tape；11st, supporting plate；12nd, cover plate；13rd, face
When sealing frock.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, and it is not used in restriction the utility model.
Reference picture 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the loudspeaker module of the present embodiment, including module shell
And the loudspeaker monomer 4 in module shell is housed in, the module inner chamber that loudspeaker monomer 4 surrounds module shell is divided into preceding sound
6 two cavitys in chamber 5 and the rear operatic tunes, are provided with the dividing plate 21 for the preceding operatic tunes 5 to be separated with the rear operatic tunes 6, dividing plate 21 in module inner chamber
Pressure relief device is provided with, pressure relief device includes the pressure release passage 7 of the preceding operatic tunes 5 of connection and the rear operatic tunes 6 and acoustic seal, and pressure release is led to
Road 7 includes the through hole 71 being opened on dividing plate 21, and the position on dividing plate 21 positioned at through hole 71 is provided with boss 8, the table of boss 8
Gas pressure relief slot 72 is offered on face, its top connection through hole 71, end extends to the termination of boss 8, and end and boss 8 end
There is a certain distance between head.
In the present embodiment, module shell includes the upper casing 1, middle shell 2 and the lower casing 3 that snap together, during dividing plate 21 is arranged on
On shell 2.Module inner chamber is divided into the preceding operatic tunes 5 and the rear operatic tunes 6 by loudspeaker monomer 4 together with dividing plate 21.
Loudspeaker module of the present utility model, the pressure release passage 7 is acoustic seal, is come for those skilled in the art
Say, the implication of acoustic seal is acoustically to be in the state of acoustic seal, that is to say, that do not allow sound wave to pass through.The pressure release is led to
Road 7 is acoustic seal, that is to say, that the sound in the preceding operatic tunes 5 does not pass through the pressure release passage 7 and enters in the rear operatic tunes 6,
The isolation of the preceding operatic tunes 5 and the rear operatic tunes 6 is thereby may be ensured that, to prevent loudspeaker from failing.
The acoustic seal of the pressure release passage 7 can be realized by means well-known to those skilled in the art, for example should
Pressure release passage 7 is made thin small, or by other well known means, improves the damping of the pressure release passage 7, becomes damping knot
Structure, such that it is able to prevent sound from being propagated in the pressure release passage 7.
On surface of this dividing plate 21 away from gas pressure relief slot 72, i.e., dividing plate 21 is provided with covering and passes through near the surface of the preceding operatic tunes 5
The damping piece of through hole 71.On dividing plate 21 damping piece groove for accommodating damping piece is provided with positioned at the position of through hole 71.
In the present embodiment, damping piece is the waterproof membrane 9 of permeable watertight.
Waterproof membrane 9 away from supporting plate 11 is pasted with by double faced adhesive tape 10 on the side of dividing plate 21, pass through in supporting plate 11 by correspondence
Hollow out at through hole 71.
The surface of boss 8 is provided with cover plate 12, and cover plate 12 can be a spring washer, be fixed together with dividing plate 21, by insertion
Hole 71 and part gas pressure relief slot 72 are covered, so that through hole 71, gas pressure relief slot 72 and cover plate 12 surround above-mentioned pressure release and lead to
Road 7.Gas pressure relief slot 72 extends distribution on the surface of boss 8, so as to increase the length of pressure release passage 7, improves pressure release passage 7
Damping.
In the present embodiment, gas pressure relief slot 72 is in straight shape, it is, of course, also possible to be in bending, wherein, the phase of forniciform gas pressure relief slot 72
The length of the pressure release passage 7 to extending is larger, and damping is more preferable.
Loudspeaker module of the present utility model, the top connection through hole 71 of gas pressure relief slot 72, end is prolonged to the termination of boss 8
Stretch, and there is a certain distance between the termination of end and boss 8, do not reach the termination side wall of boss 8, the termination of boss 8
Do not have the opening of gas pressure relief slot 72 on the wall of side.The loudspeaker module of this kind of structure, promoting the circulation of qi is entered in the preceding operatic tunes 5 to loudspeaker module
When close property is tested, pressure release passage 7 is covered from boss 8 by interim test fixture 13 and is sealed, it is easy to which practice is interim close
Envelope, facilitates the air tightness test of the preceding operatic tunes 5, the method tested by air pressure is entered come the preceding operatic tunes to water-proof loudspeaker module
Row waterproof test is easily achieved, and improves testing efficiency.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, do not depart from the utility model spirit and
On the premise of scope, the utility model also has various changes and modifications, and these changes and improvements both fall within claimed sheet
In the range of utility model.The claimed scope of the utility model is by appending claims and its equivalent thereof.
Claims (9)
1. a kind of loudspeaker module, including module shell and the loudspeaker monomer being housed in the module shell, it is described to raise one's voice
The module inner chamber that device monomer surrounds the module shell is divided into two cavitys of the preceding operatic tunes and the rear operatic tunes, it is characterised in that：Institute
The dividing plate being provided with module inner chamber for the preceding operatic tunes to be separated with the rear operatic tunes is stated, is communicated with the dividing plate described
The preceding operatic tunes and the rear operatic tunes and the pressure release passage of acoustic seal, the pressure release passage include being opened in passing through on the dividing plate
Through hole, the position on the dividing plate positioned at the through hole is provided with boss, and gas pressure relief slot is offered on the surface of the boss, its beginning
The end connection through hole, end extends to the termination of the boss, and has between the termination of end and the boss certain
Distance.
2. loudspeaker module according to claim 1, it is characterised in that：The dividing plate is away from the surface of the gas pressure relief slot
It is provided with the damping piece for covering the through hole.
3. loudspeaker module according to claim 2, it is characterised in that：The damping piece is the waterproof of permeable watertight
Film.
4. loudspeaker module according to claim 3, it is characterised in that：Waterproof membrane is pasted away from the side of the dividing plate
There is supporting plate, hollow out at correspondence through hole in supporting plate.
5. loudspeaker module according to claim 2, it is characterised in that：Positioned at the position of the through hole on the dividing plate
It is provided with the damping piece groove for accommodating the damping piece.
6. loudspeaker module according to claim 5, it is characterised in that：The surface of the boss is provided with cover plate, described
Cover plate covers the through hole and the part gas pressure relief slot.
7. loudspeaker module according to claim 6, it is characterised in that：The damping piece is arranged on the dividing plate and closes on
The side of the preceding operatic tunes, the boss closes on the side of the rear operatic tunes on the dividing plate.
8. the loudspeaker module according to any one of claim 1 to 7, it is characterised in that：The gas pressure relief slot in straight shape or
Bending.
9. loudspeaker module according to claim 8, it is characterised in that：The module shell is upper including what is snapped together
Shell, middle shell and lower casing, the dividing plate are arranged on the middle shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304446.4U CN206272838U (en) | 2016-11-30 | 2016-11-30 | A kind of loudspeaker module |
| PCT/CN2017/091209 WO2018099075A1 (en) | 2016-11-30 | 2017-06-30 | Speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304446.4U CN206272838U (en) | 2016-11-30 | 2016-11-30 | A kind of loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272838U true CN206272838U (en) | 2017-06-20 |
Family
ID=59043118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621304446.4U Active CN206272838U (en) | 2016-11-30 | 2016-11-30 | A kind of loudspeaker module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206272838U (en) |
| WO (1) | WO2018099075A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099075A1 (en) * | 2016-11-30 | 2018-06-07 | 歌尔股份有限公司 | Speaker module |
| CN108551638A (en) * | 2018-06-11 | 2018-09-18 | 歌尔股份有限公司 | Loud speaker module and electronic equipment |
| CN109391866A (en) * | 2017-08-08 | 2019-02-26 | Jvc 建伍株式会社 | Ventilation path in earphone forms structure and earphone |
| CN111901739A (en) * | 2020-09-30 | 2020-11-06 | 歌尔股份有限公司 | Sound production module, test method and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401904A (en) * | 2019-07-12 | 2019-11-01 | 刘世阳 | Sounding film is pasted from pressure release waterproof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168528B (en) * | 2014-09-01 | 2018-09-18 | 歌尔股份有限公司 | Loud speaker module |
| CN204131710U (en) * | 2014-09-30 | 2015-01-28 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204906708U (en) * | 2015-09-09 | 2015-12-23 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN105516870A (en) * | 2016-02-29 | 2016-04-20 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN105592389B (en) * | 2016-02-29 | 2019-02-26 | 歌尔股份有限公司 | Loudspeaker mould group |
| CN206272838U (en) * | 2016-11-30 | 2017-06-20 | 歌尔股份有限公司 | A kind of loudspeaker module |
-
2016
- 2016-11-30 CN CN201621304446.4U patent/CN206272838U/en active Active
-
2017
- 2017-06-30 WO PCT/CN2017/091209 patent/WO2018099075A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099075A1 (en) * | 2016-11-30 | 2018-06-07 | 歌尔股份有限公司 | Speaker module |
| CN109391866A (en) * | 2017-08-08 | 2019-02-26 | Jvc 建伍株式会社 | Ventilation path in earphone forms structure and earphone |
| CN109391866B (en) * | 2017-08-08 | 2021-07-30 | Jvc 建伍株式会社 | Ventilation path forming structure in earphone and earphone |
| CN108551638A (en) * | 2018-06-11 | 2018-09-18 | 歌尔股份有限公司 | Loud speaker module and electronic equipment |
| CN111901739A (en) * | 2020-09-30 | 2020-11-06 | 歌尔股份有限公司 | Sound production module, test method and electronic equipment |
| CN111901739B (en) * | 2020-09-30 | 2021-01-22 | 歌尔股份有限公司 | Sound production module, test method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018099075A1 (en) | 2018-06-07 |
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