CN206162591U - Biological identification module mounting structure - Google Patents
Biological identification module mounting structure Download PDFInfo
- Publication number
- CN206162591U CN206162591U CN201621253938.5U CN201621253938U CN206162591U CN 206162591 U CN206162591 U CN 206162591U CN 201621253938 U CN201621253938 U CN 201621253938U CN 206162591 U CN206162591 U CN 206162591U
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- CN
- China
- Prior art keywords
- becket
- identification module
- mounting structure
- flexible pcb
- module mounting
- 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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- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a biological identification module mounting structure, this biological identification module mounting structure include the flexible circuit board, the welding of flexible circuit board top has the chip, adheres and have the apron in the top of this chip, the bonding of flexible circuit board below has the reinforcement piece, the periphery cover of chip and apron is equipped with the becket, and the becket adopts laser welding to be connected with reinforcement piece contact segment, is provided with the bond line between becket and the flexible circuit board contact segment, the utility model provides a biological identification module mounting structure, its fastness that can improve the connection, simultaneously, the thickness of reduction product improves the conduction, and is difficult to by corruption, oxidation.
Description
Technical field
The utility model is related to electronic device field, more particularly to a kind of bio-identification module mounting structure.
Background technology
With the development of technology, bio-identification function is used widely on the electronic products such as mobile phone, especially, will be referred to
Line identification module increasingly increases located at the positive demand of mobile phone.However, in existing band keypress function bio-identification module product
In, connected using adhesive between becket and flexible PCB, there is the risk for coming off, cause structure insecure, when being clicked on
Easily there is becket obscission, while adhesive has certain thickness, increased the thickness of product, in addition, relative to existing skill
In art, turned on by elargol between becket and flexible circuit board, conduction is poor, need to plate becket bottom surface
Nickel etc. is surface-treated, meanwhile, elargol is easily corroded, aoxidizes.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, there is provided a kind of bio-identification module peace
Assembling structure, it can improve the fastness of connection, meanwhile, the thickness of product is reduced, improve conduction, and be not easy to be corroded,
Oxidation.
The utility model solve the technical scheme that adopted of above-mentioned technical problem for：A kind of bio-identification module installs knot
Structure, including flexible PCB, it is characterised in that：The flexible PCB top is welded with chip, is bonded with above the chip
Cover plate, flexible PCB lower section is bonded with the periphery of reinforcing chip, the chip and cover plate and is arranged with becket, becket with
Reinforcing chip contact portion is connected using laser welding, and between becket and flexible PCB contact portion adhesive layer is provided with.
Preferably, the becket is connected with reinforcing chip by laser multiple spot welding.
Further, chamfering is formed with hole side relative with the flexible PCB on the becket, by arranging
Chamfering, prevents becket from causing to damage to flexible PCB.
Further, several boss are formed with the bottom surface of the becket, raised head face is contacted with reinforcing chip, described
Flexible PCB is placed in the inner side of boss.By arranging boss, laser welding position is boss and reinforcing chip contact site, just
In realizing carrying out laser welding between becket and reinforcing chip.
Further, the bio-identification module mounting structure also includes that one is used to place the base plate of becket, the base plate
On be formed with a holding tank, the step back-off on the becket provides work in the groove top of holding tank, base plate for laser spot welding
Make platform.
Further, step is formed with the outer wall of the becket, the step is supported or opposed with the flexible PCB, is passed through
Step is set, and in reinforcing chip and welding metal rings, becket can be inverted within base plate, facilitating implementation will mend using pressing plate
Strong piece and becket are compressed, and are easy to the carrying out welded.
Compared with prior art, the advantage of the utility model solution is：Becket of the present utility model and flexible circuit
Plate is connected using welding manner, and the fastness of connection is more preferably, difficult for drop-off, and is saved viscous between becket and flexible PCB
The thickness space of mixture, makes product thickness thinner；In addition, the utility model is by arranging a reinforcing chip, by becket and reinforcement
Piece is integrally welded, during laser spot welding, using adhesive layer, is realized to becket, flexible PCB and reinforcing chip three
Person's connection is integral, realizes positioning, it is ensured that laser welding is completed, and conduction is far above prior art, and does not allow
Easily it is corroded, aoxidizes.
Description of the drawings
Fig. 1 is the structural representation of bio-identification module mounting structure in the utility model embodiment；
Fig. 2 is the specific implementation step schematic diagram () of bio-identification module mounting structure in the utility model embodiment；
Fig. 3 is the specific implementation step schematic diagram (two) of bio-identification module mounting structure in the utility model embodiment；
Fig. 4 is the specific implementation step schematic diagram (three) of bio-identification module mounting structure in the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 4, the bio-identification module mounting structure in this enforcement, including flexible PCB 4, chip 2, lid
Plate 1, becket 3, reinforcing chip 11 and base plate 22.
Wherein, the top of flexible PCB 4 is bonded with chip 2, and the top of the chip 2 is bonded with cover plate 1, flexible PCB 4
Lower section is bonded with the periphery of reinforcing chip 11, the chip 2 and cover plate 1 and is arranged with becket 3, and becket 3 is contacted with reinforcing chip 11
Part is connected using laser welding, and between becket 3 and the contact portion of flexible PCB 4 adhesive layer 6 is provided with, it is preferable that gold
Category ring 3 is connected with reinforcing chip 11 by laser multiple spot welding.
In order to prevent becket 3 from causing to damage to flexible PCB 4, hole side relative with flexible PCB 4 on becket 3
On be formed with chamfering 31.
In addition, being formed with step 33 on the outer wall of becket 3, the step 33 is supported or opposed with the flexible PCB 4, by setting
Step 33 is put, when reinforcing chip 11 and becket 3 are welded, becket 3 can be inverted within base plate 22, facilitated implementation using pressure
Plate 21 is compressed reinforcing chip 11 and becket 3, is easy to the carrying out welded.Additionally, being formed with the bottom surface of the becket 3
Several boss 32, the end face of boss 32 is contacted with reinforcing chip 11, and the flexible PCB 4 is placed in the inner side of boss 32.By setting
Put boss 32, laser welding position is boss 32 and the contact site of reinforcing chip 11, facilitate implementation becket 3 and reinforcing chip 11 it
Between carry out laser welding.Meanwhile, base plate 22 is used to place becket 3, and a holding tank 221, the gold are formed with the base plate 22
In the groove top of holding tank (221), base plate 22 provides workbench to the back-off of step 33 on category ring 3 for laser spot welding.
Finally, using the installation method of described bio-identification module mounting structure, including：
Step S1：Reinforcing chip 11 is connected by adhesive with flexible PCB 4；
Step S2：Chip 2 is welded in into flexible PCB 4 by tin cream；
Step S3：Cover plate 1 is bonded by adhesive with chip 2；
Step S4：Becket 3 is connected by adhesive with flexible PCB 4, becket 3 and flexible PCB 4 it
Between formed adhesive layer 6；
Step S5：Becket 3 is welded with reinforcing chip 11 using laser, in welding process, laser punches reinforcing chip
Groove 34 is formed on becket 3 after 11, in the material and the groove 34 of becket 3 that laser is bored a hole reinforcing chip 11 in 111
Material melts simultaneously mutually merge, and connection is realized after solidification.
Preferably, reinforcing chip 11 and becket 3 are stainless steel, and stainless steel is more suitable for laser welding.
Further, in step s 5, becket 3 is positioned in base plate 22, and the back-off of step 33 on becket 3 is in receiving
The groove top of groove 221.
Further, the material of the cover plate 1 is sapphire, ceramics or glass；Or, the cover plate 1 is tied using coating
Structure, coating material is resin or ink.
To sum up, becket of the present utility model 3 is connected with flexible PCB 4 using welding manner, and the fastness of connection is more
It is good, it is difficult for drop-off, and the thickness space of adhesive between becket 3 and flexible PCB 4 is saved, make product thickness thinner；
In addition, the utility model is by arranging a reinforcing chip 11, with reinforcing chip 11 it is integrally welded by becket 3, in laser spot welding
During, using adhesive layer 6, realize connecting integral to becket 3, flexible PCB 4 and the three of reinforcing chip 11, it is fixed to realize
Position, it is ensured that laser welding is completed, conduction is far above prior art, and is not easy to be corroded, aoxidizes.
Claims (6)
1. a kind of bio-identification module mounting structure, including flexible PCB (4), it is characterised in that：The flexible PCB (4)
Top is welded with chip (2), and cover plate (1) is bonded with above the chip (2), and flexible PCB (4) lower section is bonded with benefit
The periphery of strong piece (11), the chip (2) and cover plate (1) is arranged with becket (3), and becket (3) is contacted with reinforcing chip (11)
Part is connected using laser welding, and between becket and flexible PCB contact portion adhesive layer is provided with.
2. bio-identification module mounting structure according to claim 1, it is characterised in that：The becket (3) and reinforcement
Piece (11) is connected by laser multiple spot welding.
3. bio-identification module mounting structure according to claim 2, it is characterised in that：On the becket (3) and institute
State and be formed with chamfering (31) on the relative hole side of flexible PCB (11).
4. bio-identification module mounting structure according to claim 2, it is characterised in that：The bottom surface of the becket (3)
On be formed with several boss (32), boss (32) end face is contacted with reinforcing chip (11), and the flexible PCB (4) is placed in boss
(32) inner side.
5. bio-identification module mounting structure according to claim 2, it is characterised in that：The outer wall of the becket (3)
On be formed with step (33), the step (33) is supported or opposed with the flexible PCB (11).
6. bio-identification module mounting structure according to claim 5, it is characterised in that：The bio-identification module is installed
Structure also includes that one is used to place the base plate (22) of becket, and on the base plate (22) holding tank (221), the metal are formed with
Step (33) back-off on ring (3) is in the groove top of holding tank (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253938.5U CN206162591U (en) | 2016-11-16 | 2016-11-16 | Biological identification module mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253938.5U CN206162591U (en) | 2016-11-16 | 2016-11-16 | Biological identification module mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162591U true CN206162591U (en) | 2017-05-10 |
Family
ID=58660556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253938.5U Active CN206162591U (en) | 2016-11-16 | 2016-11-16 | Biological identification module mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206162591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650627A (en) * | 2016-11-16 | 2017-05-10 | 江西合力泰科技有限公司 | Biological recognition module installation structure and installation method thereof |
-
2016
- 2016-11-16 CN CN201621253938.5U patent/CN206162591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650627A (en) * | 2016-11-16 | 2017-05-10 | 江西合力泰科技有限公司 | Biological recognition module installation structure and installation method thereof |
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