CN206340003U - Water proof type fingerprint recognition component - Google Patents
Water proof type fingerprint recognition component Download PDFInfo
- Publication number
- CN206340003U CN206340003U CN201621177708.5U CN201621177708U CN206340003U CN 206340003 U CN206340003 U CN 206340003U CN 201621177708 U CN201621177708 U CN 201621177708U CN 206340003 U CN206340003 U CN 206340003U
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- CN
- China
- Prior art keywords
- becket
- fingerprint recognition
- water proof
- installing plate
- circuit board
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of water proof type fingerprint recognition component, in the installation through-hole of its becket insertion installing plate, fingerprint recognition chip is installed in the through hole of becket, the bottom of becket has an outward flange, the region of this becket lateral surface and close outward flange is circumferentially provided with a groove, one silica gel ring is located between becket and installing plate, in the groove of the medial extremity insertion becket of this silica gel ring, and the outboard end of the silica gel ring exposes becket and is in close contact with installing plate；Bonded and connected by the second adhesive layer between the outward flange bottom of the becket and circuit board；The rear end of circuit board has a bending part, and the button key is installed on the lower surface of bending part, is connected between the upper surface of this bending part and the lower surface of steel disc by the 3rd adhesive layer.The effect of the utility model water proof type fingerprint recognition component waterproof and dustproof, improves the water resistance of fingerprint module arrangement, is also beneficial to reduce the volume of module, improves production efficiency and intensity.
Description
Technical field
The utility model is related to a kind of water proof type fingerprint recognition component, belongs to technical field of semiconductor encapsulation.
Background technology
Along with the development of development of Mobile Internet technology, mobile Internet terminal user identification information safety problem is increasingly
It is prominent, because identity identification information is stolen and palms off and caused by the situation of user's economic loss appear in the newspapers repeatly end.Conventional password formula identity
Identifying schemes, there are problems that efficiency is low, time-consuming, security is low and, turn into current mobile interchange gradually
The short slab problem of network technology development popularization.Above-mentioned ask can be efficiently solved as the fingerprint identification technology of the unique biological characteristic of user
Topic.
But, prior art fingerprint module, as shown in Figure 1, the cover plate for protecting chip include but is not limited to blue precious
Stone cover plate, glass cover-plate, ceramic cover plate, there is quoit sideways, are deposited between the quoit and communication apparatus protective glass or casing
In gap, due to the presence in gap, communication apparatus is easily immersed by liquid such as water, and causing trouble is unfavorable for waterproof and dustproof, one
Denier is intake, and may damage communication apparatus.
The content of the invention
The utility model purpose is to provide a kind of water proof type fingerprint recognition component, the water proof type fingerprint recognition component waterproof,
Dust-proof effect, reduces failure, effective protection equipment, so that service life is extended, and fingerprint module can be set from communication
The back side of standby or casing loads, and the intensity of fingerprint module is enhanced, so as to improve reliability.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of water proof type fingerprint recognition component, including
Fingerprint recognition chip, installing plate, becket and circuit board, the installing plate have an installation through-hole, the becket insertion peace
In the installation through-hole for filling plate, the fingerprint recognition chip is installed in the through hole of becket, and the circuit board is located at fingerprint recognition
The underface of chip and becket；
Circumferentially open with an outward flange, this becket lateral surface and close to the region of outward flange the bottom of the becket
There is a groove, a silica gel ring is located between becket and installing plate, in the groove of the medial extremity insertion becket of this silica gel ring, institute
The outboard end for stating silica gel ring exposes becket and is in close contact with installing plate；
The circuit board surface opposite with fingerprint recognition chip is bonded with a steel disc, the metal by the first adhesive layer
Bonded and connected by the second adhesive layer between the outward flange bottom of ring and circuit board；
The rear end of the circuit board has a bending part, and the button key is installed on the lower surface of bending part, this bending part
Upper surface and steel disc lower surface between pass through the 3rd adhesive layer connect.
Further improved scheme is as follows in above-mentioned technical proposal：
1. in such scheme, also including a cover plate, the cover plate is located at directly over fingerprint recognition chip.
2. in such scheme, the installation through-hole is shaped as circular, square, oval or track type.
3. in such scheme, the cover plate is shaped as circular, square, oval or track type.
4. in such scheme, the cover plate is sapphire cover plate, glass cover-plate or ceramic cover plate.
5. in such scheme, the installing plate is protective glass piece or casing.
Because above-mentioned technical proposal is used, the utility model has following advantages and effect compared with prior art：
1. the utility model water proof type fingerprint recognition component, the bottom of its becket has outside an outward flange, this becket
A groove is circumferentially provided with sideways and close to the region of outward flange, a silica gel ring is located between becket and installing plate, this silica gel
In the groove of the medial extremity insertion becket of circle, the outboard end of the silica gel ring exposes becket and closely connect with installing plate
Touch, waterproof and dustproof can be played a part of, failure, effective protection equipment is reduced, so that service life is extended, and fingerprint
Module can load from the back side of communication apparatus or casing；
2. the utility model water proof type fingerprint recognition component, the rear end of its circuit board has a bending part, the button key
The lower surface of bending part is installed on, is connected, had by the 3rd adhesive layer between the upper surface of this bending part and the lower surface of steel disc
Beneficial to the volume for reducing module, production efficiency and intensity are improved, meanwhile, also improve the intensity and reliability of module；Again, its
The circuit board surface opposite with fingerprint recognition chip is bonded with a steel disc, the outward flange bottom of the becket by the first adhesive layer
Bonded and connected by the second adhesive layer between portion and circuit board, further increased the overall water resistance of fingerprint module, also increase
The strong intensity of fingerprint module, so as to improve reliability.
Brief description of the drawings
Accompanying drawing 1 is existing fingerprint modular structure schematic diagram；
Accompanying drawing 2 is the utility model water proof type fingerprint recognition modular construction schematic diagram.
In the figures above：1st, cover plate；2nd, fingerprint recognition chip；3rd, installing plate；31st, installation through-hole；4th, circuit board；5th, metal
Ring；51st, through hole；6th, outward flange；7th, groove；8th, silica gel ring；9th, the first adhesive layer；10th, steel disc；11st, the second adhesive layer；12nd, roll over
Turn of bilge；13rd, button key；14th, the 3rd adhesive layer.
Embodiment
The utility model is further described with reference to embodiment：
Embodiment 1：A kind of water proof type fingerprint recognition component, including cover plate 1, fingerprint recognition chip 2, installing plate 3, becket
5 and circuit board 4, the installing plate 3 has in an installation through-hole 31, the installation through-hole 31 of the insertion of becket 5 installing plate 3,
The cover plate 1 and fingerprint recognition chip 2 are installed in the through hole 51 of becket 5, and the cover plate 1 is being located at fingerprint recognition chip 2 just
Top；
The circuit board 4 is located at the underface of fingerprint recognition chip 2 and becket 5, and the bottom of the becket 5 has one
The region of outward flange 6, this lateral surface of becket 5 and close outward flange is circumferentially provided with a groove 7, and a silica gel ring 8 is located at metal
Between ring 5 and installing plate 3, in the groove 7 of the medial extremity insertion becket 5 of this silica gel ring 8, the outboard end of the silica gel ring 8 is naked
Expose becket 5 and be in close contact with installing plate 3；
The circuit board 4 surface opposite with fingerprint recognition chip 2 is bonded with a steel disc 10, institute by the first adhesive layer 9
State to bond by the second adhesive layer 11 between the bottom of outward flange 6 of becket 5 and circuit board 4 and connect；
The rear end of the circuit board 4 has a bending part 12, and the button key 13 is installed on the lower surface of bending part 12, this
Connected between the upper surface of bending part 12 and the lower surface of steel disc 10 by the 3rd adhesive layer 14.
Above-mentioned installation through-hole 31 is shaped as circle, and above-mentioned cover plate 1 is shaped as circle, and above-mentioned cover plate 1 is sapphire cover plate.
Embodiment 2：A kind of water proof type fingerprint recognition component, including cover plate 1, fingerprint recognition chip 2, installing plate 3, becket
5 and circuit board 4, the installing plate 3 has in an installation through-hole 31, the installation through-hole 31 of the insertion of becket 5 installing plate 3,
The cover plate 1 and fingerprint recognition chip 2 are installed in the through hole 51 of becket 5, and the cover plate 1 is being located at fingerprint recognition chip 2 just
Top；
The circuit board 4 is located at the underface of fingerprint recognition chip 2 and becket 5, and the bottom of the becket 5 has one
The region of outward flange 6, this lateral surface of becket 5 and close outward flange is circumferentially provided with a groove 7, and a silica gel ring 8 is located at metal
Between ring 5 and installing plate 3, in the groove 7 of the medial extremity insertion becket 5 of this silica gel ring 8, the outboard end of the silica gel ring 8 is naked
Expose becket 5 and be in close contact with installing plate 3；
The circuit board 4 surface opposite with fingerprint recognition chip 2 is bonded with a steel disc 10, institute by the first adhesive layer 9
State to bond by the second adhesive layer 11 between the bottom of outward flange 6 of becket 5 and circuit board 4 and connect；
The rear end of the circuit board 4 has a bending part 12, and the button key 13 is installed on the lower surface of bending part 12, this
Connected between the upper surface of bending part 12 and the lower surface of steel disc 10 by the 3rd adhesive layer 14.
Above-mentioned installation through-hole 31 is shaped as track type, and above-mentioned cover plate 1 is shaped as track type, and above-mentioned cover plate 1 is glass cover-plate.
During using above-mentioned water proof type fingerprint recognition component, the bottom of its becket has on the outside of an outward flange, this becket
Face and circumferentially it is provided with a groove close to the region of outward flange, a silica gel ring is located between becket and installing plate, this silica gel ring
Medial extremity insertion becket groove in, the outboard end of the silica gel ring exposes becket and is in close contact with installing plate,
Waterproof and dustproof can be played a part of, failure, effective protection equipment is reduced, so that service life is extended, and fingerprint module
It can load from the back side of communication apparatus or casing；Secondly, the rear end of its circuit board has a bending part, and the button key is installed
Connected, be conducive to by the 3rd adhesive layer between the lower surface of bending part, the upper surface of this bending part and the lower surface of steel disc
Reduce the volume of module, improve production efficiency and intensity, meanwhile, also improve the intensity and reliability of module；Again, its circuit
The plate surface opposite with fingerprint recognition chip is bonded with a steel disc by the first adhesive layer, the outward flange bottom of the becket with
Bonded and connected by the second adhesive layer between circuit board, further increased the water resistance of fingerprint module arrangement, also enhance
The intensity of fingerprint module, so as to improve reliability.
Above-described embodiment is only to illustrate technical concept of the present utility model and feature, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (6)
1. a kind of water proof type fingerprint recognition component, it is characterised in that：Including fingerprint recognition chip（2）, installing plate（3）, becket
（5）And circuit board（4）, the installing plate（3）With an installation through-hole（31）, the becket（5）Embedded installing plate（3）Peace
Fill through hole（31）It is interior, the fingerprint recognition chip（2）It is installed on becket（5）Through hole（51）It is interior, the circuit board（4）It is located at
Fingerprint recognition chip（2）And becket（5）Underface；
The becket（5）Bottom have an outward flange（6）, this becket（5）The region edge of lateral surface and close outward flange
Circumferentially it is provided with a groove（7）, a silica gel ring（8）Positioned at becket（5）With installing plate（3）Between, this silica gel ring（8）Medial extremity
Embedded becket（5）Groove（7）It is interior, the silica gel ring（8）Outboard end expose becket（5）And and installing plate（3）Tightly
Contiguity is touched；
The circuit board（4）With fingerprint recognition chip（2）Opposite surface passes through the first adhesive layer（9）It is bonded with a steel disc
（10）, the becket（5）Outward flange（6）Bottom and circuit board（4）Between pass through the second adhesive layer（11）Bonding connection；
The circuit board（4）Rear end have a bending part（12）, a button key（13）It is installed on bending part（12）Lower surface,
This bending part（12）Upper surface and steel disc（10）Lower surface between pass through the 3rd adhesive layer（14）Connection.
2. water proof type fingerprint recognition component according to claim 1, it is characterised in that：Also include a cover plate（1）, the lid
Plate（1）Positioned at fingerprint recognition chip（2）Surface.
3. water proof type fingerprint recognition component according to claim 1, it is characterised in that：The installation through-hole（31）It is shaped as
Circular, square, oval or track type.
4. water proof type fingerprint recognition component according to claim 2, it is characterised in that：The cover plate（1）Be shaped as it is circular,
Square, oval or track type.
5. water proof type fingerprint recognition component according to claim 2, it is characterised in that：The cover plate（1）For sapphire lid
Plate, glass cover-plate or ceramic cover plate.
6. water proof type fingerprint recognition component according to claim 1, it is characterised in that：The installing plate（3）For protection glass
Glass piece or casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177708.5U CN206340003U (en) | 2016-11-03 | 2016-11-03 | Water proof type fingerprint recognition component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177708.5U CN206340003U (en) | 2016-11-03 | 2016-11-03 | Water proof type fingerprint recognition component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340003U true CN206340003U (en) | 2017-07-18 |
Family
ID=59299236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177708.5U Expired - Fee Related CN206340003U (en) | 2016-11-03 | 2016-11-03 | Water proof type fingerprint recognition component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019061144A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳传音通讯有限公司 | Waterproof fingerprint module and mobile terminal |
-
2016
- 2016-11-03 CN CN201621177708.5U patent/CN206340003U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019061144A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳传音通讯有限公司 | Waterproof fingerprint module and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20181103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |