CN206209780U - Dust-proof fingerprint recognition device - Google Patents
Dust-proof fingerprint recognition device Download PDFInfo
- Publication number
- CN206209780U CN206209780U CN201621178222.3U CN201621178222U CN206209780U CN 206209780 U CN206209780 U CN 206209780U CN 201621178222 U CN201621178222 U CN 201621178222U CN 206209780 U CN206209780 U CN 206209780U
- Authority
- CN
- China
- Prior art keywords
- becket
- fingerprint recognition
- circuit board
- dust
- installing plate
- 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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- Image Input (AREA)
- Input From Keyboards Or The Like (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a kind of dust-proof fingerprint recognition device, in the installation through-hole of its becket insertion installing plate, the fingerprint recognition chip is installed in the through hole of becket, the circuit board is located at the underface of fingerprint recognition chip and becket, the bottom of the becket has an outward flange, this becket lateral surface and circumferentially it is provided with a groove near the region of outward flange, 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, the outboard end of the silica gel ring exposes becket and is in close contact with installing plate；There is a bending part rear end of circuit board, and a connector for being used to be connected with mainboard is installed on bending part and is connected with the rear end of circuit board by gum layer, and the connector and fingerprint recognition chip are positioned at the same side of circuit board.The effect of the dust-proof fingerprint recognition device waterproof and dustproof of the utility model, reduces failure, effective protection equipment, so as to extend service life, and SMT device resources using higher.
Description
Technical field
The utility model is related to a kind of dust-proof fingerprint recognition device, 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 personation 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 asking 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 is including but not limited to blue precious
There is quoit stone cover plate, glass cover-plate, ceramic cover plate, side, 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 dust-proof fingerprint recognition device, the dust-proof fingerprint recognition device waterproof and dustproof
Effect, reduce failure, effective protection equipment, so as to extend service life, and fingerprint module can from communication apparatus or
The back side of casing loads.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of dust-proof fingerprint recognition device, including refer to
Line identification chip, installing plate, becket and circuit board, the installing plate have an installation through-hole, and the becket insertion is installed
In the installation through-hole of plate, the fingerprint recognition chip is installed in the through hole of becket, and the circuit board is located at fingerprint recognition core
The underface of piece and becket, the bottom of the becket is with an outward flange, this becket lateral surface and near outward flange
Region is circumferentially provided with a groove, and a silica gel ring is located between becket and installing plate, the medial extremity insertion metal of this silica gel ring
In the groove of ring, the outboard end of the silica gel ring exposes becket and is in close contact with installing plate；
There is a bending part rear end of the circuit board, a connector for being used to being connected with mainboard be installed on bending part and
It is connected with the rear end of circuit board by gum layer, the connector and fingerprint recognition chip are positioned at the same side of circuit board.
Further improved scheme is as follows in above-mentioned technical proposal：
1. in such scheme, the installation through-hole is shaped as circular, square, oval or track type.
2. in such scheme, the cover plate is shaped as circular, square, oval or track type.
3. in such scheme, the cover plate is sapphire cover plate, glass cover-plate or ceramic cover plate.
4. in such scheme, also including a cover plate, this cover plate is located at directly over fingerprint recognition chip.
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 dust-proof fingerprint recognition device of the utility model, the bottom of its becket has an outward flange, this becket outside
Face and circumferentially it is provided with a groove near 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, so as to extend service life, and fingerprint module is reduced
Can load from the back side of communication apparatus or casing.
2. there is a bending part the dust-proof fingerprint recognition device of the utility model, the rear end of its circuit board, and one is used for and mainboard
The connector of connection is installed on bending part and is connected with the rear end of circuit board by gum layer, the connector and fingerprint recognition
Chip is located at the same side of circuit board, and its module need to only carry out a SMT operation, and input tool quantity is fewer, and SMT sets
The standby utilization of resources is higher, and the SMT working times are reduced, and production efficiency is improved, and cost is relatively low.
Brief description of the drawings
Accompanying drawing 1 is existing fingerprint modular structure schematic diagram；
Accompanying drawing 2 is the dust-proof fingerprint recognition device structural representation of the utility model.
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, bending part；10th, connector；11st, gum layer.
Specific embodiment
The utility model is further described with reference to embodiment：
Embodiment 1：A kind of dust-proof fingerprint recognition device, including cover plate 1, fingerprint recognition chip 2, installing plate 3, becket 5
With circuit board 4, the installing plate 3 has an installation through-hole 31, in the installation through-hole 31 of the insertion installing plate 3 of the becket 5, institute
State cover plate 1 and fingerprint recognition chip 2 is installed in the through hole 51 of becket 5, the cover plate 1 is just gone up positioned at fingerprint recognition chip 2
Side, 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 an evagination
Edge 6, this lateral surface of becket 5 and is circumferentially provided with a groove 7 near the region of outward flange, a silica gel ring 8 be located at becket 5 with
Between 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 exposes gold
Category ring 5 is simultaneously in close contact with installing plate 3；
There is a bending part 9 rear end of the circuit board 4, and a connector 10 for being used to be connected with mainboard is installed on bending part
It is connected with the rear end of circuit board 4 on 9 and by gum layer 11, the connector 10 and fingerprint recognition chip 2 are located at circuit board 4
The same side.
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 dust-proof fingerprint recognition device, including cover plate 1, fingerprint recognition chip 2, installing plate 3, becket 5
With circuit board 4, the installing plate 3 has an installation through-hole 31, in the installation through-hole 31 of the insertion installing plate 3 of the becket 5, institute
State cover plate 1 and fingerprint recognition chip 2 is installed in the through hole 51 of becket 5, the cover plate 1 is just gone up positioned at fingerprint recognition chip 2
Side, 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 an evagination
Edge 6, this lateral surface of becket 5 and is circumferentially provided with a groove 7 near the region of outward flange, a silica gel ring 8 be located at becket 5 with
Between 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 exposes gold
Category ring 5 is simultaneously in close contact with installing plate 3；
There is a bending part 9 rear end of the circuit board 4, and a connector 10 for being used to be connected with mainboard is installed on bending part
It is connected with the rear end of circuit board 4 on 9 and by gum layer 11, the connector 10 and fingerprint recognition chip 2 are located at circuit board 4
The same side.
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 dust-proof fingerprint recognition device, the bottom of its becket has an outward flange, this becket lateral surface
And a groove is circumferentially provided near the region of outward flange, a silica gel ring is located between becket and installing plate, this silica gel ring
In the groove of medial extremity insertion becket, the outboard end of the silica gel ring exposes becket and is in close contact with installing plate, can
To play a part of waterproof and dustproof, failure is reduced, effective protection equipment, so as to extend service life, and fingerprint module can
Load with from the back side of communication apparatus or casing；Secondly, there is a bending part rear end of its circuit board, and one is used to be connected with mainboard
Connector be installed on bending part and be connected with the rear end of circuit board by gum layer, the connector and fingerprint recognition chip
Positioned at the same side of circuit board, its module need to only carry out a SMT operation, and input tool quantity is fewer, SMT equipment money
Source utilizes higher, and the SMT working times are reduced, and production efficiency is improved, and cost is relatively low.
Above-described embodiment only to illustrate technology design of the present utility model and feature, technique is familiar with its object is to allow
Personage will appreciate that 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 dust-proof fingerprint recognition device, 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）Installation
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）Positioned at finger
Line identification chip（2）And becket（5）Underface, the becket（5）Bottom have an outward flange（6）, this becket
（5）Lateral surface and circumferentially it is provided with a groove near the region of outward flange（7）, a silica gel ring（8）Positioned at becket（5）With installation
Plate（3）Between, this silica gel ring（8）Medial extremity insertion becket（5）Groove（7）It is interior, the silica gel ring（8）Outboard end it is naked
Expose becket（5）And and installing plate（3）It is in close contact；
The circuit board（4）Rear end have a bending part（9）, a connector for being connected with mainboard（10）It is installed on bending
Portion（9）Above and by gum layer（11）With circuit board（4）Rear end connection, the connector（10）With fingerprint recognition chip（2）
Positioned at circuit board（4）The same side.
2. dust-proof fingerprint recognition device according to claim 1, it is characterised in that：Also include a cover plate（1）, this cover plate
（1）Positioned at fingerprint recognition chip（2）Surface.
3. dust-proof fingerprint recognition device according to claim 2, it is characterised in that：The cover plate（1）For sapphire cover plate,
Glass cover-plate or ceramic cover plate.
4. dust-proof fingerprint recognition device according to claim 1, it is characterised in that：The installation through-hole（31）It is shaped as circle
Shape, square, oval or track type.
5. dust-proof fingerprint recognition device according to claim 2, it is characterised in that：The cover plate（1）It is shaped as circular, side
Shape, ellipse or track type.
6. dust-proof fingerprint recognition device according to claim 1, it is characterised in that：The installing plate（3）It is protective glass
Piece or casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178222.3U CN206209780U (en) | 2016-11-03 | 2016-11-03 | Dust-proof fingerprint recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178222.3U CN206209780U (en) | 2016-11-03 | 2016-11-03 | Dust-proof fingerprint recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209780U true CN206209780U (en) | 2017-05-31 |
Family
ID=58757796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621178222.3U Expired - Fee Related CN206209780U (en) | 2016-11-03 | 2016-11-03 | Dust-proof fingerprint recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209780U (en) |
-
2016
- 2016-11-03 CN CN201621178222.3U patent/CN206209780U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20181103 |