CN108650819A - Sound-producing device module - Google Patents
Sound-producing device module Download PDFInfo
- Publication number
- CN108650819A CN108650819A CN201810387164.2A CN201810387164A CN108650819A CN 108650819 A CN108650819 A CN 108650819A CN 201810387164 A CN201810387164 A CN 201810387164A CN 108650819 A CN108650819 A CN 108650819A
- Authority
- CN
- China
- Prior art keywords
- sound
- producing device
- notch
- casing
- device module
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention relates to a kind of sound-producing device modules.The sound-producing device module includes sound-producing device monomer, flexible PCB and module casing, the sound-producing device monomer is arranged in module casing, the flexible PCB has for forming the first part being electrically connected with sound-producing device monomer, for forming the second part of electrical connection with external circuit and connecting the interconnecting piece of first part and second part, the inside and outside notch of connection is formed on the module casing, the interconnecting piece is stretched out from the notch, the bonding station of module casing is formed with loading end and pressure edge, the second part extends on the loading end, the edge of the second part is pressed on the loading end by the pressure edge.
Description
Technical field
The invention belongs to electroacoustic transduction technical fields, in particular it relates to a kind of sound-producing device module.
Background technology
In recent years, the technology of consumer electronics product is quickly grown, and the electronic products such as mobile phone, tablet computer have become people
Various daily neces saries.Correspondingly, consumer also proposes higher demand, art technology to the performance of electronic product, appearance
Personnel constantly make improvements electronic product.
Sound-producing device module is electronic components important in electronic product, is used to voice signal being converted to sound in turn
It plays.On the one hand, electronic product is higher and higher to the acoustic performance requirements of sound-producing device module, need to improve sound-producing device module
Audio；On the other hand, the structure of electronic product is to lightening development, it is desirable that the structure of sound-producing device module is more flat, compact, can
Higher is required by property.It is provided with flexible PCB in existing sound-producing device module, which is used in electronic product
Signal conduction is formed between complete machine and the voice coil of sound-producing device module.Flexible PCB needs some from sound-producing device module
Middle stretching, to be connect with electronic product complete machine.This subregion stretched out is easy to tilt from sound-producing device module, to influence
Electrical connection and reliability of structure.
In the prior art, the following two modes of those skilled in the art's generally use avoid flexible PCB from tilting.Its
A kind of middle mode is to form hot molten column on the outer surface of sound-producing device module, and hot molten column hot melt is covered in the flexible electrical of stretching
On the plate of road, to flexible PCB is pressed on the outer surface of sound-producing device module.But hemisphere can be formed after hot molten column hot melt
The convex closure of shape, the convex closure can occupy a part of space and the bad control of volume, shadow caused to the monnolithic case of sound-producing device module
It rings.Another way is to apply glue sticking between the flexible PCB and the outer surface of sound-producing device module of stretching, but this solid
Determine mode to be possible to influence the signal conduction stability of flexible PCB and electronic product.
Invention content
It is an object of the present invention to provide a kind of improved sound-producing device modules.
According to an aspect of the invention, there is provided a kind of sound-producing device module, including sound-producing device monomer, flexible circuit
Plate and module casing, the sound-producing device monomer are arranged in module casing, and the flexible PCB, which has, to be used for and sounding
Device monomer forms the first part of electrical connection, the second part for forming electrical connection with external circuit and connect first
Point and second part interconnecting piece, be formed with the inside and outside notch of connection on the module casing, the interconnecting piece is from the notch
It stretches out, the bonding station of module casing is formed with loading end and pressure edge, and the second part extends on the loading end, described
The edge of the second part is pressed on the loading end by pressure edge.
Optionally, the module casing includes upper casing and lower casing, and the loading end is formed on the lower casing, the pressure edge
It is formed on the upper casing, the upper casing and lower casing fasten the accommodating chamber to be formed and accommodate the sound-producing device monomer, the carrying
Face is located at except the accommodating chamber.
Optionally, the upper casing is equipped with the first fixed part around accommodating chamber setting, and the lower casing is equipped with ring
Around the second fixed part of accommodating chamber setting, first fixed part mutually abuts with second fixed part and realizes accommodating chamber
Sealing；
The notch being pierced by for the interconnecting piece is formed on first fixed part and/or second fixed part.
Optionally, first fixed part is the fitting surface being arranged on the side wall end face of upper casing, second fixed part
For the flange on the side wall end face of lower casing is arranged, the flange is tightly connected with the fitting surface in the form of ultrasonic welding.
Optionally, fracture is formed on the flange, the fracture is for constituting the notch.
Optionally, the pressure is along the periphery for the fitting surface for being set to the upper casing, and the pressure is along the side with the loading end
Edge is corresponding.
Optionally, the upper casing is formed in the both sides positioned at notch and on the outside of fitting surface two raised limits
Wall, the end face of the limited wall are contacted with the lower casing, and two limited walls are for positioning the flexible PCB.
Optionally, the upper casing is formed with barricade, the end face of the barricade and the lower casing in the periphery of the fitting surface
Contact, the pressure edge are recessed by the barricade part.
Optionally, the pressure is along the both sides for being located at notch.
Optionally, the position of the corresponding notch, is equipped with the first notch on the upper casing, by first notch to
First surface of the interconnecting piece carries out injecting glue sealing；It is equipped with the second notch on the lower casing, passes through second notch
Injecting glue sealing is carried out to second surface of the interconnecting piece.
One of the present invention has technical effect that the pressure on module casing is along the interconnecting piece that can push down flexible PCB
Edge avoids interconnecting piece from tilting.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
The attached drawing of a part for constitution instruction describes the embodiment of the present invention, and is used to solve together with the description
Release the principle of the present invention.
Fig. 1 is the explosive view of sound-producing device module provided by the invention；
Fig. 2 is the partial enlarged view of the lower casing of sound-producing device module provided by the invention；
Fig. 3 is the partial enlarged view of the upper casing of sound-producing device module provided by the invention；
Fig. 4 is the assembling schematic diagram of the upper casing and flexible PCB of sound-producing device module provided by the invention；
Fig. 5 is the partial enlarged view of Fig. 4；
Fig. 6 is the partial enlarged view of sound-producing device module provided by the invention；
Fig. 7 is the partial sectional view of sound-producing device module provided by the invention.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The present invention provides a kind of sound-producing device modules, as shown in Figure 1, the sound-producing device module includes sound-producing device monomer
1, flexible PCB and module casing.The module casing is for carrying sound-producing device monomer 1 and flexible PCB.It is described soft
Property circuit board have first part 21, second part 22 and interconnecting piece 23.The first part 21 is used for and sound-producing device mould
Sound-producing device monomer 1 in group forms electrical connection, and the second part 22 is then used for and the external electrical except sound-producing device module
Road forms electrical connection.The interconnecting piece 23 is then connected between the first part 21 and second part 22, and the two is made to form electricity
Connection.The first part 21 of the sound-producing device monomer 1 and flexible PCB is set in the module casing.Flexible PCB
For voice signal to be passed to sound-producing device monomer 1, the sound that sound-producing device monomer 1 generates when working can be from module casing
Outlet sound mouth outflow.
Particularly, notch is formed on the module casing, the interior outside of module casing is connected to by the notch, described soft
The interconnecting piece 23 of property circuit board is inside module casing through extending out to the outside of the module casing from the notch.The module
Loading end 321 and pressure are formed on the outer surface of shell along 311, the second part 22 extends on the loading end 321,
As shown in Figure 1,5.It is described to press the edge for being pressed on the second part 22 along 311, by the edge pressure of second part 22
On the loading end, the second part 22 is avoided to be tilted from loading end 321.Optionally, if by the second part 22
It is arranged apart from the notch is closer or the position of neighbour notch, then the loading end 321 is also corresponding neighbour is arranged described
The outside of notch, it is described press can be formed in notch both sides along 311 module casing side wall on.The pressure is used for along 311
Push down the edge close to the side of the notch of the second part 22.
The present invention does not carry out concrete restriction to the position of the loading end and pressure edge, in various embodiments, depending on hair
The concrete structure of acoustic device module is different with the distributing position of interconnecting piece, and the loading end can freely be arranged and press the position on edge
It sets.The loading end and pressure edge play positioning, fixation in the sound-producing device module to the interconnecting piece of the flexible PCB
Effect, phenomena such as preventing interconnecting piece from shifting, tilting.Moreover, the pressure is along the edge for being pressed on second part, Bu Huifang
Hinder being electrically connected for second part and electronic product complete machine, external circuit etc..The pressure is along preferably with existing knot on module casing
Structure is constituted, and will not be increased the height or thickness of module casing, not influenced the overall structure of module casing.
The present invention gives a kind of preferred embodiment, specific as shown in Figs. 1-3, the module casing includes upper casing 31
With lower casing 32, the loading end 321 is formed on the lower casing 32.The pressure is formed in along 311 on the upper casing 31.It is described
Upper casing 31 is fastened with lower casing 32 forms the accommodating chamber for accommodating the sound-producing device monomer 1 and flexible PCB, the loading end 321
Except the accommodating chamber.The upper casing 31 is combined with lower casing 32 constitutes the notch, and notch is located at the side wall of module casing
Place, the loading end 321 are located on the outside of the notch.In this embodiment, the relative position of notch and loading end is more closed
Reason, phenomena such as being not susceptible to rubbing, tilt of flexible PCB.Moreover, the design that combination forms notch is fastened by upper lower casing,
Convenient for the assembly of flexible PCB and module casing.
Optionally, the first fixed part is formed on the upper casing, first fixed part is surrounded on the accommodating chamber.Accordingly
Ground is formed with corresponding second fixed part on the lower casing, and second fixed part, which is typically located at, to be looped around around accommodating chamber
Position.After the upper casing is fastened with lower casing, first fixed part is mutually abutted with the second fixed part, and then realizes accommodating chamber
Sealing.Further, the notch is formed on first fixed part and/or the second fixed part, which can be by forming
The structures such as notch, groove on the first, second fixed part are constituted, and the present invention limits not to this.The notch is for flexible electrical
The interconnecting piece of road plate is stretched out from inside.
Optionally, first fixed part is the fitting surface 314 being arranged on the side wall end face of upper casing 31, as shown in Figure 5.
Second fixed part is then the flange 322 being arranged on the side wall end face of lower casing 32, as shown in Figure 2.In upper casing 31 and lower casing
When 32 fastening, flange 322 is connected on fitting surface 314, as shown in Figure 7.The flange is preferably between fitting surface with ultrasonic bond
The form connect, melting sealed connection form the sealing to accommodating chamber.Optionally, as shown in Fig. 2, in the neighbour loading end 321
Position at, the flange 322 is formed with fracture 323, and the space that the fracture 323 reserves is for constituting the notch.
Further, as in Figure 3-5, the pressure is formed in along 311 on the edge of the upper casing 31, is located at upper casing
Fitting surface periphery.The upper casing 31 and lower casing 32 can be fastened mutually in assembly, pressure can be made along 311 while fastening
It is pressed on the interconnecting piece 23.The marginal position pressed along 311 with the loading end 321 after being fastened on lower casing 32 of upper casing 31
It is corresponding, it can also be pressed in the edge of interconnecting piece 23.The position relationship that Fig. 4,5 show upper casing 31 and second part 22,
It can be seen that when flexible PCB and upper casing 31 are assembled together, the pressure is pressed in second part 22 close to notch side along 311
Edge.This design method can will be convenient for assembling flexible PCB, upper casing 31 and lower casing 32, utilize upper and lower shell
The assembly relation being laminated pushes down the interconnecting piece 23.
Optionally, the upper casing 31 the both sides positioned at notch and the outside of fitting surface 314 be formed with two it is raised
Limited wall 312, as shown in Fig. 3,5.Further, the limited wall 312 plays positioning action to flexible PCB.Fig. 5 is shown
Position relationship between the flexible PCB and the limited wall 312.It is described when the upper casing 31 and lower casing 32 fasten
The end face of limited wall 312 is contacted with the lower casing 32, improves the reliability of positioning of the limited wall 312.Two limited walls 312 it
Between gap it is corresponding with the position of above-mentioned fracture 323, limited wall 323 is located at the periphery of fracture 323.
Further, the upper casing 31 is also formed with barricade 313 in the periphery of fitting surface 314, and Fig. 3,5,6 show described
Barricade 313 is distributed in the position on the upper casing 31.The end face of the barricade 313 with the surface of the lower casing 32 for connecting
It touches.As shown in figure 5, in this embodiment, the pressure forms step structure between 311 and the barricade 313, that is, presses
It is formed by a part of concave inward structure of barricade 313 along 311, when barricade 313 is fastened on lower casing 32, pressure is pressed together on described along 311
On the second part 22 of flexible PCB.
As shown in fig. 7, in this embodiment, it is described to press the periphery for being located at the flange 322 along 311 and barricade 313.
The flange 322 forms a fixed connection along 311 inside with the fitting surface 314 in pressure, and pressure is along 311 in relatively outer position
It sets and pushes down interconnecting piece 23.
Preferably, two sections of pressures are formed on the upper casing 31 along 311, pressure described in both ends is located at the notch along 311
Both sides, as shown in Figure 5,6.The second part of flexible PCB 22 more effectively can be pressed together on carrying by this embodiment
On face 321.
In a kind of optional embodiment, as shown in Figure 2,6, the width of the loading end 321 is more than the notch
Width.Wider loading end 321 can carry the relatively wide second part 22 of width, and wider second part 22 can improve
The reliability of electrical connection of itself and electronic product body.Flexible PCB extends to outside out of module casing, its own can not
Avoiding that gap is formed between notch on module casing, this gap is likely to cause module leakage sound, foreign matter intrusion etc. and asks
Topic.Relatively narrow by the width design of notch can minimize the possibility for the above problem occur.
Fig. 7 shows the position relationship of the second part 22 and loading end 321, pressure between 311 and flange 322.
Wherein preferably, the side of second part 22 towards the loading end 321 of the flexible PCB is provided with reinforcement part, described
Reinforcement part is used to provide support, invigoration effect for the second part 22, prevents support portion from deforming.The second part 22
Then it can pass through gum bonding connection with loading end 321 with reinforcement part bonding connection, reinforcement part.
Preferably, as shown in Fig. 2, the edge of the loading end 321 can also be formed with limiting stand 3211, the limiting stand
3211 for positioning the interconnecting piece 23, and the interconnecting piece 23 of the flexible PCB can be embedded in the limiting stand 3211
Inside.Under the restriction effect of limiting stand 3211, position offset will not occur for the interconnecting piece 23.
After upper casing 31 and lower casing 32 fasten, can inevitably there be gap between the interconnecting piece 23 of notch and flexible PCB.
In the specific implementation mode of the present invention, it gluing can be sealed between interconnecting piece 23 and notch, improve sound-producing device module
Leakproofness.Preferably, the first notch is could be formed on the position corresponding to the notch, the upper casing；And/or right
The position of notch described in Ying Yu could be formed with the second notch on the lower casing.It is assembled in upper casing, lower casing and flexible PCB
After the completion, injecting glue sealing can be carried out to a side surface of flexible PCB by above-mentioned first notch；It is lacked by above-mentioned second
Mouth then can carry out injecting glue sealing to another side surface of flexible PCB.By this structure design, can by notch with it is soft
Property circuit board between gap be fully sealed, it is more convenient, it is effective realize module casing sealing.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of sound-producing device module, which is characterized in that including sound-producing device monomer, flexible PCB and module casing, institute
It states sound-producing device monomer to be arranged in module casing, the flexible PCB has for being electrically connected with the formation of sound-producing device monomer
First part, the second part for forming electrical connection with external circuit and connect the connection of first part and second part
Portion is formed with the inside and outside notch of connection on the module casing, and the interconnecting piece is stretched out from the notch, the engagement of module casing
Position is formed with loading end and pressure edge, and the second part extends on the loading end, and the pressure edge is by the second part
Edge be pressed on the loading end.
2. sound-producing device module according to claim 1, which is characterized in that the module casing includes upper casing and lower casing,
The loading end is formed on the lower casing, and along being formed on the upper casing, the upper casing and lower casing fasten to form appearance the pressure
Receive the accommodating chamber of the sound-producing device monomer, the loading end is located at except the accommodating chamber.
3. sound-producing device module according to claim 2, which is characterized in that the upper casing is equipped with around the accommodating chamber
The first fixed part being arranged, the lower casing are equipped with the second fixed part around accommodating chamber setting, first fixed part
The sealing for realizing accommodating chamber is mutually abutted with second fixed part；
The notch being pierced by for the interconnecting piece is formed on first fixed part and/or second fixed part.
4. sound-producing device module according to claim 3, which is characterized in that first fixed part is to be arranged in upper casing
Fitting surface on side wall end face, second fixed part are the flange being arranged on the side wall end face of lower casing, the flange and institute
Fitting surface is stated to be tightly connected in the form of ultrasonic welding.
5. sound-producing device module according to claim 4, which is characterized in that fracture is formed on the flange, it is described disconnected
Mouth is for constituting the notch.
6. sound-producing device module according to claim 4, which is characterized in that the pressure is along the assembly for being set to the upper casing
The periphery in face, the pressure is along corresponding with the edge of the loading end.
7. sound-producing device module according to claim 4, which is characterized in that the upper casing the both sides positioned at notch and
Two raised limited walls are formed on the outside of fitting surface, the end face of the limited wall is contacted with the lower casing, two limits
Position wall is for positioning the flexible PCB.
8. sound-producing device module according to claim 4, which is characterized in that peripheral shape of the upper casing in the fitting surface
At having barricade, the end face of the barricade to be contacted with the lower casing, the pressure edge is recessed by the barricade part.
9. sound-producing device module according to claim 1, which is characterized in that the pressure is along the both sides for being located at notch.
10. sound-producing device module according to claim 1, which is characterized in that the position of the corresponding notch, on described
Shell is equipped with the first notch, and injecting glue sealing is carried out to first surface of the interconnecting piece by first notch；Described
Lower casing is equipped with the second notch, and injecting glue sealing is carried out to second surface of the interconnecting piece by second notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387164.2A CN108650819B (en) | 2018-04-26 | 2018-04-26 | Sound production device module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387164.2A CN108650819B (en) | 2018-04-26 | 2018-04-26 | Sound production device module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108650819A true CN108650819A (en) | 2018-10-12 |
| CN108650819B CN108650819B (en) | 2020-09-22 |
Family
ID=63747959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810387164.2A Active CN108650819B (en) | 2018-04-26 | 2018-04-26 | Sound production device module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108650819B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327772A (en) * | 2018-11-08 | 2019-02-12 | 歌尔股份有限公司 | A kind of sounding device mould group and electronic equipment |
| WO2021000077A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
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| CN205081955U (en) * | 2015-07-24 | 2016-03-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker module group |
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| CN107071661A (en) * | 2017-02-17 | 2017-08-18 | 歌尔股份有限公司 | Sound-producing device module and electronic product |
| CN206524958U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | A kind of sound-producing device |
| KR20170124708A (en) * | 2016-05-03 | 2017-11-13 | 주식회사 비티에스파워 | Compact speaker unit |
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|---|---|---|---|---|
| US20020009207A1 (en) * | 2000-06-30 | 2002-01-24 | Kim Jong-Dal | Connection method for microphone of mobile radio communication unit and connection structure thereof |
| CN201204675Y (en) * | 2008-05-16 | 2009-03-04 | 瑞声声学科技(常州)有限公司 | FPC connection type electro-acoustic transducer |
| CN205081955U (en) * | 2015-07-24 | 2016-03-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker module group |
| KR20170124708A (en) * | 2016-05-03 | 2017-11-13 | 주식회사 비티에스파워 | Compact speaker unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109327772A (en) * | 2018-11-08 | 2019-02-12 | 歌尔股份有限公司 | A kind of sounding device mould group and electronic equipment |
| CN109327772B (en) * | 2018-11-08 | 2021-05-18 | 歌尔股份有限公司 | Sound generating device module and electronic equipment |
| WO2021000077A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108650819B (en) | 2020-09-22 |
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