CN205987349U - FPCB structure and speaker module - Google Patents
FPCB structure and speaker module Download PDFInfo
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- CN205987349U CN205987349U CN201620801716.6U CN201620801716U CN205987349U CN 205987349 U CN205987349 U CN 205987349U CN 201620801716 U CN201620801716 U CN 201620801716U CN 205987349 U CN205987349 U CN 205987349U
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Abstract
The utility model provides a FPCB structure and speaker module, wherein the former includes FPCB body and bending segment that as an organic wholeization of initial state straight line is connected, the bending segment for FPCB body place plane is carried on 180 and is buckled, and the extending direction of bending segment with the extending direction of FPCB body forms a contained angle, the bending segment with the FPCB body constitutes approximate L type structure. The utility model discloses a sharp connection of as an organic wholeization of initial state of FPCB body and bending segment can constitute the structure of different shapes with the FPCB body after buckle to make the FPCB structure in the FPCB full position can be for sharp shape, the occupy -place of this kind of FPCB structure be little, and can closely arrange in FPCB full position, thereby avoids a large amount of white spaces appearing in FPCB full position, reaches reduce cost's purpose.
Description
Technical field
This utility model is related to flexible printed circuit board field, more particularly, to a kind of FPCB structure, and applies this
The speaker module of FPCB structure.
Background technology
FPCB (Flexible Printed Circuit Board) refers to flexible printed circuit board, and it is a kind of using soft
The printed circuit board (PCB) with figure that property base material is made.Compare with rigid printed circuit board (PCB), FPCB possess free bend,
The advantages of fold, wind.During completed knocked down products, FPCB arbitrarily can be arranged according to the layout in interiors of products space as wire
Cloth, such that it is able to components and parts of arbitrarily arranging in three dimensions, and also can cancel adapter between wire and wiring board
Part, therefore, FPCB can make miniaturization of electronic products, precise treatment, and product reliability greatly improves.FPCB has been widely used in shifting
The fields such as dynamic communication products, laptop computer, consumer electronics product, space flight, Military Electronic Equipment.
At present, become increasingly complex with electronic product structure, the also more and more higher of the requirement to FPCB.As shown in fig. 1, existing
Some FPCB structures 11 ' are nonlinear type, because the limitation of its shape, in the FPCB justifying 1 ' a large amount of white spaces of middle formation,
The waste of substantial amounts of coverlay therefore can be caused in mould knife blanking process.Because coverlay is in whole FPCB product cost
Accounting is higher, so can greatly increase the cost of FPCB product.
Utility model content
A purpose of the present utility model is a kind of the new of FPCB structure reducing FPCB justifying hollow white region of offer
Technical scheme.
According to first aspect of the present utility model, there is provided a kind of FPCB structure, including the integrated straight line of initial condition
The FPCB body connecting and bending segment, described bending segment carries out 180 ° of bendings with respect to described FPCB body place plane, and
The bearing of trend shape of the bearing of trend of described bending segment and described FPCB body in an angle, described bending segment and described FPCB
Body constitutes substantially l-shaped structure.
Optionally, described angle is right angle.
Optionally, described bending segment is provided with two, be respectively connected to described FPCB body two ends the first bending segment and
Second bending segment, is equipped with external terminal on described first bending segment and described second bending segment；
Wherein, described first bending segment and described second bending segment be respectively positioned on same on described FPCB body width direction
Side, described first bending segment, FPCB body and the second bending segment three constitute approximate U-shape structure；Or described first bending segment
The both sides being located on described FPCB body width direction respectively with described second bending segment, described first bending segment, FPCB body
Constitute approximate Z-type structure with the second bending segment three.
Optionally, described first bending segment and the second bending segment are located at the homonymy of described FPCB body place plane；
Or, described first bending segment and the second bending segment are positioned at the both sides of described FPCB body place plane.
Optionally, described external terminal is pad or golden finger.
Optionally, it is provided with for supporting and connecting two near bending place between described FPCB body and described bending segment
The support member dividing, the bending place between described FPCB body and described bending segment is segmental arc.
Optionally, the upper and lower surface of described support member is equipped with for described FPCB body and bending after
The glue-line that described bending segment connects.
Optionally, described support member is made by having resilient material.
Optionally, on the copper foil layer of described FPCB structure, the position corresponding with the crooked place of described bending segment is provided with
Via.
Another purpose of the present utility model is to provide a kind of speaker mould applying FPCB structure of the present utility model
Group.
According to second aspect of the present utility model, there is provided a kind of speaker module, including module shell and be installed on institute
State the loudspeaker monomer in module shell, described speaker module also includes FPCB structure of the present utility model, described FPCB knot
One end of structure electrically connects described loudspeaker monomer, and the other end is used for electrically connecting external circuit.
Inventor of the present utility model finds, in the prior art, is implicitly present in FPCB justifying a large amount of white spaces and makes
Become the problem that coverlay wastes.Therefore, this utility model technical assignment to be realized or technical problem to be solved are
That those skilled in the art never expect or it is not expected that, therefore this utility model is a kind of new technical scheme.
One of the present utility model has technical effect that, the integrated straight line of initial condition of FPCB body and bending segment is even
Connect, structure of different shapes can be constituted with FPCB body after bending segment bending, so that the FPCB structure in FPCB justifying can
For linear, this FPCB structure occupy-place is little, and closely can arrange in FPCB justifying, thus avoiding appearance in FPCB justifying
A large amount of white spaces, reduce the purpose of cost.
By the detailed description to exemplary embodiment of the present utility model referring to the drawings, other of the present utility model
Feature and its advantage will be made apparent from.
Brief description
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and
And be used for explaining principle of the present utility model together with its explanation.
Fig. 1 is the structural representation of existing FPCB justifying；
Fig. 2 is the structural representation of the first embodiment of this utility model FPCB structure；
Fig. 3 is the structural representation of the second embodiment of this utility model FPCB structure；
Fig. 4 is the structural representation after the second embodiment bending of this utility model FPCB structure；
Fig. 5 is the A-A of Fig. 4 to cut-away view；
Fig. 6 is the structural representation of the 3rd embodiment of this utility model FPCB structure；
Fig. 7 is the partial, detailed view of Fig. 6；
Fig. 8 is the structural representation of the FPCB justifying with FPCB structure of the present utility model.
In figure indicates as follows：
FPCB justifying -1 ', FPCB structure -11 ', FPCB structure -1, FPCB body -101, the first bending segment -102, second
Bending segment -103, external terminal -104, crease line -105, support member -106, glue-line -107, copper foil layer -108, via -109,
FPCB composing structure -2.
Specific embodiment
To describe various exemplary embodiment of the present utility model now with reference to accompanying drawing in detail.It should be noted that：Unless it is another
Illustrate outward, the positioned opposite, numerical expression of the part otherwise illustrating in these embodiments and step and numerical value do not limit
Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is new and its applying or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
When in the case of, described technology, method and apparatus should be considered a part for description.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it is further discussed in subsequent accompanying drawing.
Big in order to solve existing FPCB structure occupy-place, in existing FPCB composing structure, there is asking of a large amount of white spaces
Topic, as shown in Figures 2 to 7, this utility model provides a kind of FPCB structure 1, and it includes the integrated straight line of initial condition even
The FPCB body 101 connecing and bending segment, described bending segment carries out 180 ° of bendings with respect to described FPCB body 101 place plane,
And the bearing of trend shape of the bearing of trend of described bending segment and described FPCB body 101 is in an angle, described bending segment with
Described FPCB body 101 constitutes substantially l-shaped structure, and the quantity of above-mentioned bending segment can be arranged according to the actual requirements, for example, bending segment
Only one section, or, bending segment has two sections and is located at the two ends of FPCB body 101.
The integrated straight line of initial condition of FPCB body 101 of the present utility model and bending segment connects, and bending segment bends
After can constitute structure of different shapes with FPCB body 101 so that the FPCB structure 1 in FPCB justifying 2 can be linear,
The occupy-place of this FPCB structure 1 is little, and closely can arrange in FPCB justifying 2, thus avoiding sky in a large number in FPCB justifying
White region, reduces the purpose of cost.
In a new preferred embodiment of this reality, described angle is right angle.
In another preferred embodiment of the present utility model, described bending segment is provided with two, is respectively connected to described
First bending segment 102 at FPCB body 101 two ends and the second bending segment 103, in described first bending segment 102 and described second curved
External terminal 104 is equipped with trisection 103, above-mentioned external terminal 104 is usually pad or golden finger, in the process being embodied as
In, pad and golden finger are generally located on the first bending segment 102 and the second bending segment 103 respectively；Wherein, described first bending segment
102 are respectively positioned on the homonymy on described FPCB body 101 width, described first bending segment with described second bending segment 103
102nd, FPCB body 101 and the second bending segment 103 three constitute approximate U-shape structure, as shown in Figure 4；Or described first is curved
The both sides that trisection 102 and described second bending segment 103 are located on described FPCB body 101 width respectively, described first is curved
Trisection 102, FPCB body 101 and the second bending segment 103 three constitute approximate Z-type structure.
As shown in figure 8, taking the FPCB justifying of a size of 250mm*370mm as a example, existing FPCB justifying 1 ' (shown in Fig. 1)
The FPCB structure 11 ' of 24pcs (part) can only be arranged, and FPCB justifying 2 of the present utility model then can arrange the FPCB structure 1 of 36pcs, bright
FPCB justifying 2 of the present utility model is few compared to the white space of existing FPCB justifying 1 ' aobviously, and the coverlay of waste is few.And
And, the FPCB structure 1 in FPCB justifying 2 of the present utility model arranges closely, and production efficiency is high, or with a size of 250mm*
As a example the FPCB justifying of 370mm, the production efficiency of FPCB justifying 2 of the present utility model can carry compared to existing FPCB justifying 1 '
High by 50%.
Further, described first bending segment 102 and the second bending segment 103 are located at described FPCB body 101 place plane
Homonymy, so, after bending be located at the first bending segment 102 and the second bending segment 103 on external terminal 104 be located at FPCB body
The homonymy of 101 place planes；Or, described first bending segment 102 and the second bending segment 103 are located at described FPCB body 101 institute
In the both sides of plane, so, the external terminal 104 being located on the first bending segment 102 and the second bending segment 103 after bending is located at
The both sides of FPCB body 101 place plane.
External terminal 104 in this utility model be usually pad or golden finger, during being embodied as, pad and
Golden finger is generally located on the first bending segment 102 and the second bending segment 103 respectively.
FPCB structure 1 of the present utility model is provided near bending place between described FPCB body 101 and described bending segment
For supporting and connecting two-part support member 106, the bending place between described FPCB body 101 and described bending segment is arc
Section, it will be apparent to those skilled in the art that the quantity of support member 106 is corresponding with the quantity of bending segment, when bending segment is provided with two
When individual, support member 106 also is provided with two.
This utility model passes through bending place between FPCB body 101 and bending segment for the support member 106 and forms segmental arc, makes
Obtain the stress concentrated bending place to be released, thus the Copper Foil more efficiently preventing within FPCB structure 1 ruptures so that can be selected for
Lower-cost cathode copper is as the base material of FPCB structure 1, thus controlling the cost of FPCB structure 1.
Connection between support member 106 and bending segment and FPCB body 101 can be realized by mode well known in the art,
For example gluing etc., optionally, the upper and lower surface of described support member 106 is equipped with for described FPCB body 101
The glue-line 107 connecting with the described bending segment after bending, above-mentioned glue-line 107 can be double faced adhesive tape or flowing glue.Further, in order to
Ensure the plybonding effect of glue-line 107, the thickness of glue-line 107 is preferably at least 0.05mm.
Because support member 106 bonded adhesives conventional when being connected with FPCB body 101 and bending segment is pressure sensitive adhesive, using
Ensure during pressure sensitive adhesive that gluing effect needs to carry out elastic pressurize operation, therefore, support member 106 is preferably by the resilient material of tool
Material is made.Further, support member 106 is foam material or silica gel material.Further, the thickness of support member 106 is at least
0.5mm.
Additionally, the shape of support member 106 can select according to demand, such as triangle, rectangle etc. are it is preferable that support member 106
Cross section be triangle.
Corresponding with the crooked place of described bending segment on the copper foil layer 108 of described FPCB structure 1 of the present utility model
Via 109 also can be provided with position, the crooked place of above-mentioned definition bending segment has virtual bending datum line, this area skill
Art personnel it should be clear that bending segment relatively FPCB body 101 place plane on the basis of bending datum line is bent, via
109 are located on copper foil layer 108 position corresponding with bending datum line.Additionally, above-mentioned bending datum line is dummy line, but
By modes such as projections, bending datum line can be marked in practical application and facilitate bending, for example, along bending datum line
Be provided with the crease line 105 being formed by raised, depression or color mark, with facilitate carry out exactly along bending datum line curved
Folding, certainly, those skilled in the art can be readily apparent that, when there being multiple bending segment, the quantity of crease line and the quantity of bending segment
Corresponding.
This utility model passes through to arrange via 109 on the copper foil layer 108 of FPCB structure 1, by FPCB structure 1 bending place collection
In stress dispersion weaken, prevent the copper foil layer 108 of FPCB structure 1 from rupturing so that can be selected for lower-cost cathode copper conduct
The base material of FPCB structure 1, thus controlling the cost of FPCB structure 1, and via 109 arranges and also makes bending convenient.
Optionally to bend the axially symmetric structure as axis of symmetry for the datum line, this set is conducive to more effectively via 109
Prevent the copper foil layer 108 of FPCB structure 1 from rupturing.
And, the shapes and sizes of via 109 all can select according to the actual requirements, and such as via 109 is waist-shaped hole, ellipse
Hole, circular hole or rectangular opening etc..
Have influence on copper foil layer 108 intensity of itself to prevent via 109 excessively intensive, two neighboring via 109 it
Between copper foil layer 108 width be preferably larger or equal than via 109 width.
Generally, it is provided with one layer of copper foil layer 108 in FPCB structure 1, but, the copper foil layer 108 in FPCB structure 1 simultaneously not only limits
In one layer.Taking speaker field as a example, have two loudspeaker monomers speaker module be suitable for FPCB structure be provided with two-layer
Copper foil layer 108, more specifically, internal layer Copper Foil and outer copper foil can be divided into by two-layer copper foil layer 108, on two-layer copper foil layer 108
Via 109 all can be provided with, the stress that via 109 is conducive to more effectively concentrating is respectively provided with internal layer Copper Foil and outer copper foil
Dispersion weakens, thus simultaneously working as preventing the effect of internal layer Copper Foil and outer copper foil fracture, in order to prevent via 109 excessively intensive
And having influence on FPCB structure 1 intensity of itself, the via 109 on internal layer Copper Foil and outer copper foil is preferably crisscross arranged；
Or, in two-layer copper foil layer 108, only wherein one layer copper foil layer 108 is provided with via 109.It will be apparent to those skilled in the art that it is right
Basic structure in the FPCB structure with two-layer copper foil layer generally includes base material, the internal layer copper on the different surfaces of base material
Paper tinsel and outer copper foil, and cover the coverlay on internal layer Copper Foil and outer copper foil.
This utility model additionally provides a kind of speaker module, including module shell and being installed in described module shell
Loudspeaker monomer, described speaker module also includes the FPCB structure 1 described in any of the above-described embodiment, described FPCB structure 1
One end electrically connects described loudspeaker monomer, and the other end is used for electrically connecting external circuit.
Although being described in detail to some specific embodiments of the present utility model by example, this area
It is to be understood by the skilled artisans that example above is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (10)
1. a kind of FPCB structure is it is characterised in that include the FPCB body (101) and curved that the integrated straight line of initial condition connects
Trisection, described bending segment carries out 180 ° of bendings with respect to described FPCB body (101) place plane, and the prolonging of described bending segment
Stretch the bearing of trend shape of direction and described FPCB body (101) in an angle, described bending segment and described FPCB body (101)
Constitute substantially l-shaped structure.
2. FPCB structure according to claim 1 is it is characterised in that described angle is right angle.
3. FPCB structure according to claim 1, it is characterised in that described bending segment is provided with two, is respectively connected to
First bending segment (102) at described FPCB body (101) two ends and the second bending segment (103), in described first bending segment (102)
It is equipped with external terminal (104) with described second bending segment (103)；
Wherein, described first bending segment (102) and described second bending segment (103) are respectively positioned on described FPCB body (101) width
Homonymy on direction, described first bending segment (102), FPCB body (101) and the second bending segment (103) three constitute approximate U
Type structure；Or described first bending segment (102) and described second bending segment (103) are located at described FPCB body (101) respectively
Both sides on width, described first bending segment (102), FPCB body (101) and the second bending segment (103) three constitute near
Like Z-type structure.
4. FPCB structure according to claim 3 is it is characterised in that described first bending segment (102) and the second bending segment
(103) it is located at the homonymy of described FPCB body (101) place plane；
Or, described first bending segment (102) and the second bending segment (103) are located at described FPCB body (101) place plane
Both sides.
5. FPCB structure according to claim 3 is it is characterised in that described external terminal (104) is pad or golden finger.
6. FPCB structure according to claim 1 is it is characterised in that in described FPCB body (101) and described bending segment
Between be provided with for supporting and connecting two-part support member (106) near bending place, described FPCB body (101) is curved with described
Bending place between trisection is segmental arc.
7. FPCB structure according to claim 6 is it is characterised in that the upper and lower surface of described support member (106)
On be equipped with for the glue-line (107) that is connected of described bending segment after described FPCB body (101) and bending.
8. FPCB structure according to claim 6 is it is characterised in that described support member (106) is by the resilient material of tool
Make.
9. FPCB structure according to claim 1 it is characterised in that the copper foil layer (108) of described FPCB structure (1) upper with
The position that the crooked place of described bending segment is corresponding is provided with via (109).
10. a kind of speaker module, including module shell and the loudspeaker monomer being installed in described module shell, its feature exists
In described speaker module also includes the FPCB structure (1) as described in any one of claim 1-9, described FPCB structure (1)
One end electrically connects described loudspeaker monomer, and the other end is used for electrically connecting external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801716.6U CN205987349U (en) | 2016-07-27 | 2016-07-27 | FPCB structure and speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801716.6U CN205987349U (en) | 2016-07-27 | 2016-07-27 | FPCB structure and speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205987349U true CN205987349U (en) | 2017-02-22 |
Family
ID=58027085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620801716.6U Active CN205987349U (en) | 2016-07-27 | 2016-07-27 | FPCB structure and speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205987349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018018837A1 (en) * | 2016-07-27 | 2018-02-01 | 歌尔股份有限公司 | Fpcb structure, speaker module, and manufacturing method for fpcb structure |
| CN111609386A (en) * | 2019-07-01 | 2020-09-01 | 宁波公牛光电科技有限公司 | Connecting terminal, PCB module, lamp and mounting method thereof |
-
2016
- 2016-07-27 CN CN201620801716.6U patent/CN205987349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018018837A1 (en) * | 2016-07-27 | 2018-02-01 | 歌尔股份有限公司 | Fpcb structure, speaker module, and manufacturing method for fpcb structure |
| CN111609386A (en) * | 2019-07-01 | 2020-09-01 | 宁波公牛光电科技有限公司 | Connecting terminal, PCB module, lamp and mounting method thereof |
| CN111609386B (en) * | 2019-07-01 | 2022-03-11 | 宁波公牛光电科技有限公司 | Connecting terminal, PCB module, lamp and mounting method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |