CN207624006U - Fingerprint recognition module - Google Patents
Fingerprint recognition module Download PDFInfo
- Publication number
- CN207624006U CN207624006U CN201721919830.XU CN201721919830U CN207624006U CN 207624006 U CN207624006 U CN 207624006U CN 201721919830 U CN201721919830 U CN 201721919830U CN 207624006 U CN207624006 U CN 207624006U
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- CN
- China
- Prior art keywords
- sealing
- fingerprint recognition
- inner housing
- recognition module
- mounting groove
- 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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- Studio Devices (AREA)
Abstract
The utility model provides a kind of fingerprint recognition module comprising circuit board, inner housing, outer housing and sealing element；Inner housing is arranged on circuit boards；Camera module is arranged in inner housing, and outer housing lid is located at the periphery of inner housing；Sealing element is set in the side of inner housing；Inner housing includes mounting groove, and outer housing includes being tightly connected slot, and sealing element includes the fixed part being fixed in mounting groove, is arranged in the sealing being tightly connected in slot and the interconnecting piece for being connected to fixed part and sealing；The opening area of mounting groove is less than the floor space of mounting groove, and the thickness of fixed part is more than the thickness of sealing.The fingerprint module of the utility model improves the water proof and dust proof performance of the utility model by the setting of sealing element.
Description
Technical field
The utility model is related to fingerprint identification technology fields, more particularly to a kind of fingerprint recognition module.
Background technology
With the development of camera, the application field of camera is more and more wider, such as in fingerprint recognition field.Fingerprint recognition
Module includes that there is the camera module of lens unit and the inner housing and lid of fixed receiving camera module to be located on inner housing
Outer housing.
When autofocus lens unit is flexible, since the ambient pressure of camera module and the portion of air pressure inside balance,
The cavity that outside air can enter camera module by the gap between inner housing and outer housing, Image Sensor is constituted, makes
Dirt particle must be sealed or steam enters the internal contamination Image Sensor of camera module, and then influence image quality.
Therefore, it is desirable to provide a kind of fingerprint recognition module of high water proof and dust proof performance, to solve the above technical problems.
Utility model content
The utility model embodiment provides a kind of fingerprint recognition module of high water proof and dust proof performance；To solve existing fingerprint
Identify the poor technical problem of the water proof and dust proof performance of module.
The utility model embodiment provides a kind of fingerprint recognition module comprising：
Circuit board；
Inner housing is the both ends open structure of hollow form, is arranged on the circuit board；
Camera module is arranged in the inner housing and protrudes from the top of the inner housing for obtaining fingerprint image
Portion, the camera module and the circuit board are electrically connected；And
Outer housing, lid are located at the periphery of the inner housing, for encapsulating the camera module with inner housing cooperation；
Sealing element is set in the side of the inner housing, for being tightly connected with the outer housing；
The inner housing includes the mounting groove being arranged in the inner housing periphery, and the outer housing includes setting described outer
The sealed connection slot of shell inner circumferential, the sealing element include the fixed part being fixed in the mounting groove, are arranged described
The sealing being tightly connected in slot and the interconnecting piece for being connected to the fixed part and sealing；
Wherein, the opening area of the mounting groove is less than the floor space of the mounting groove, and the thickness of the fixed part is more than
The thickness of the sealing.
In the present invention, the section of the mounting groove be the narrow lower groove width of upper slot stepped groove, the fixed position in
In the lower slot, the connecting portion is in the upper slot.
In the present invention, the sealing includes primary sealing area, is located at towards the end face for being tightly connected slot
Secondary sealing area below the primary sealing area and the concave surface for being connected to the primary sealing area and secondary sealing area, it is described recessed
Face is less than the primary sealing area and the secondary sealing area.
In the present invention, height of the primary sealing area apart from the sealing bottom surface is less than or equal to described second
Height of the sealing surface apart from the sealing bottom surface.
In the present invention, the end face of the sealing further includes the guiding for being connected to the primary sealing area other end
Face, the guide surface are a cambered surface.
In the present invention, the sealing element is made of rubber.
In the present invention, the fingerprint recognition module further includes a sealing ring, and the sealing ring is arranged described interior
Between case top and the outer housing, and all edges at the top of the inner housing are arranged in the sealing ring.
In the present invention, the first boss for offering putting hole, the fingerprint are provided at the top of the outer housing
Identification module includes an eyeglass for placing finger, and the eyeglass is sealingly disposed in the putting hole.
In the present invention, the top surface of the eyeglass is less than the top surface of the first boss.
In the present invention, the camera module includes lens group, focusing motor, optical filter and Image Sensor,
The Image Sensor is arranged on the circuit board, and the lens group and focusing motor are located at the shadow as a lens unit
As the top of sensor, the optical filter is between the Image Sensor and the lens unit, the lens unit, filter
Mating plate is consistent with the center line of Image Sensor.
The fingerprint module of fingerprint recognition module compared to the prior art, the utility model is carried by the setting of sealing element
The high water proof and dust proof performance of the utility model；Solves the poor technology of the water proof and dust proof performance of existing fingerprint recognition module
Problem.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in embodiment
Required attached drawing is briefly described.The accompanying drawings in the following description is only the section Example of the utility model, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of the preferred embodiment of the fingerprint recognition module of the utility model；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the explosive view of Fig. 2.
Specific implementation mode
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on
Illustrated by the utility model specific embodiment, be not construed as limitation the utility model other specific realities not detailed herein
Apply example.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram of the preferred embodiment of the fingerprint recognition module of the utility model；
Fig. 2 is the enlarged drawing of A in Fig. 1；Fig. 3 is the explosive view of Fig. 2.The fingerprint recognition module of the present embodiment includes circuit board 10, inner casing
Body 20, camera module, outer housing 40 and sealing element 50.
Specifically, inner housing 20 is the both ends open structure of hollow form, setting is on the circuit board 10；Camera module is used for
Fingerprint image is obtained, the top of inner housing 20,10 electricity of camera module and circuit board are arranged in inner housing 20 and protrude from
Property connection；Outer housing 40 covers the periphery for being located at inner housing 20, for encapsulating camera module with the cooperation of inner housing 20；Sealing element 50
It is set in the side of inner housing 20, for being tightly connected with outer housing 40.
Inner housing 20 includes the mounting groove 21 being arranged in 20 periphery of inner housing, and outer housing 40 includes being arranged in outer housing 40
The sealed connection slot 41 in week, sealing element 50 include the fixed part 51 being fixed in mounting groove 21, setting in sealed connection slot
Sealing 52 in 41 and the interconnecting piece 53 for being connected to fixed part 51 and sealing 52；
Wherein, the opening area of mounting groove 21 is less than the floor space of mounting groove 21, and the thickness of fixed part 51 is more than sealing
52 thickness.
In the present embodiment, by the setting of sealing element 50, the water proof and dust proof performance of the present embodiment is improved, wherein will pacify
The opening area of tankage 21 is less than the base area of mounting groove 21 so that the fixed part 51 of sealing element 50 is fastened on mounting groove 21
It is interior, improve the stability of the two connection.
In addition, fixed part 51 plays the role of a connection inner housing 20 and support sealing 52, therefore by fixed part 51
Thickness is done, in order to improve the support performance and connective stability of fixed part 51.Fixed part 51 can be fixed with mounting groove by viscose
Connection.Optionally, sealing element 50 is made of rubber.
In the present embodiment, the section of mounting groove 21 is the stepped groove of the narrow lower groove width of upper slot, and fixed part 51 is located in lower slot,
Interconnecting piece 53 is located in upper slot.Mounting groove 21 is divided into two groove bodies so that step is formed between upper and lower slot, so that solid
Determine portion 51 to be connected in lower slot, when sealing 52 is attached with sealed connection slot 41 so that fixed part 51 and mounting groove 21
Between with stronger attachment force with overcome sealing 52 and be tightly connected slot 41 between extruding force and frictional force.
In the present embodiment, sealing 52 includes primary sealing area 521, is located at first towards the end face of slot 41 is tightly connected
The secondary sealing area 522 of 521 lower section of sealing surface and the concave surface 523 for being connected to primary sealing area 521 and secondary sealing area 522, it is recessed
Face 523 is less than primary sealing area 521 and secondary sealing area 522.
Pass through the setting of concave surface 523 so that between three faces have it is undulated, on the one hand improve end face and sealed connection
On the other hand the contact area of slot 41 is sealed by irregular joint face, improves leakproofness.
In the present embodiment, height of the primary sealing area 521 apart from 52 bottom surface of sealing is less than or equal to secondary sealing area 522
Height apart from 52 bottom surface of sealing.On the one hand such setting improves the Characteristic fluctuation of 52 end face of sealing, to improve end
The sealing performance in face；Another party so that the thickness of the corresponding part of primary sealing area 521 is less than 522 correspondence portion of secondary sealing area
The thickness divided is inserted into convenient for primary sealing area 521 and is tightly connected in slot 41.
In the present embodiment, the end face of sealing 52 further includes the guide surface for being connected to 521 other end of primary sealing area
524, guide surface 524 is a cambered surface.Such setting is caught in convenient for sealing 52 and is tightly connected in slot 41.
In the present embodiment, fingerprint recognition module further includes a sealing ring 61, and the setting of sealing ring 61 is at 20 top of inner housing
Between outer housing 40, and sealing ring 61 is arranged on all edges at 20 top of inner housing.The setting of sealing ring 61, it is further to improve
The leakproofness of the present embodiment.
In the present embodiment, the top of outer housing 40 is provided with the first boss 42 for offering putting hole, fingerprint recognition mould
Group includes an eyeglass 62 for placing finger, and eyeglass 62 is sealingly disposed in putting hole.Further, the top surface of eyeglass 62 is low
In the top surface of first boss 42.Being put into and limiting convenient for finger.
Optionally, eyeglass 62 is ellipse, track type or rectangle.
In the present embodiment, camera module includes lens group, focusing motor, optical filter 32 and Image Sensor 33, shadow
On the circuit board 10 as the setting of sensor 33, lens group and focusing motor are located at Image Sensor 33 as a lens unit 31
Top, optical filter 32 is between Image Sensor 33 and lens unit 31, lens unit 31, optical filter 32 and Image Sensor
33 center line is consistent.
The operating process of the present embodiment is：
First, on the circuit board 10 by the setting of Image Sensor 33 in camera module, optical filter 32 is passed through second
Boss 63 is arranged in the top of Image Sensor 33；
Then, inner housing 20 is arranged on the circuit board 10 and is tightly connected so that Image Sensor 33 and optical filter 32
In inner housing 20, then lens unit 31 is arranged in inner housing 10；
Before inner housing 20 is set in circuit board 10, the clamping of fixed part 51 of sealing element 50 is arranged in mounting groove 21
It is interior so that sealing element 50 fixes the peripheral side for being set in inner housing 20；
Then, sealing ring 61 is arranged at the top of inner housing 20；
Finally, upper outer shell 40 is socketed on inner housing 20 so that the sealing 52 and sealed connection slot 41 of sealing element 50
The sealed connection of interference fit.
The operating process of the present embodiment is just completed in this way.
The fingerprint module of fingerprint recognition module compared to the prior art, the utility model is carried by the setting of sealing element
The high water proof and dust proof performance of the utility model；Solves the poor technology of the water proof and dust proof performance of existing fingerprint recognition module
Problem.
In conclusion although the utility model is disclosed above with preferred embodiment, above preferred embodiment is not used
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the scope of protection of the utility model is subject to the range that claim defines.
Claims (10)
1. a kind of fingerprint recognition module, which is characterized in that including：
Circuit board；
Inner housing is the both ends open structure of hollow form, is arranged on the circuit board；
Camera module is arranged in the inner housing and protrudes from the top of the inner housing, institute for obtaining fingerprint image
It states camera module and the circuit board is electrically connected；And
Outer housing, lid are located at the periphery of the inner housing, for encapsulating the camera module with inner housing cooperation；
Sealing element is set in the side of the inner housing, for being tightly connected with the outer housing；
The inner housing includes the mounting groove being arranged in the inner housing periphery, and the outer housing includes being arranged in the outer housing
The sealed connection slot of inner circumferential, the sealing element include the fixed part being fixed in the mounting groove, are arranged in the sealing
Sealing in link slot and the interconnecting piece for being connected to the fixed part and sealing；
Wherein, the opening area of the mounting groove is less than the floor space of the mounting groove, and the thickness of the fixed part is more than described
The thickness of sealing.
2. fingerprint recognition module according to claim 1, which is characterized in that the section of the mounting groove is the narrow lower slot of upper slot
Wide stepped groove, the fixed position is in the lower slot, and the connecting portion is in the upper slot.
3. fingerprint recognition module according to claim 1, which is characterized in that the sealing is towards the sealed connection slot
End face include primary sealing area, the secondary sealing area below the primary sealing area and be connected to the primary sealing area
With the concave surface of secondary sealing area, the concave surface is less than the primary sealing area and the secondary sealing area.
4. fingerprint recognition module according to claim 3, which is characterized in that the primary sealing area is apart from the sealing
The height of bottom surface is less than or equal to height of the secondary sealing area apart from the sealing bottom surface.
5. fingerprint recognition module according to claim 3, which is characterized in that the end face of the sealing further includes being connected to
The guide surface of the primary sealing area other end, the guide surface are a cambered surface.
6. fingerprint recognition module according to claim 1, which is characterized in that the sealing element is made of rubber.
7. fingerprint recognition module according to claim 1, which is characterized in that the fingerprint recognition module further includes a sealing
Circle, the sealing ring are arranged at the top of the inner housing between the outer housing, and the sealing ring is arranged in the inner casing
All edges at the top of body.
8. fingerprint recognition module according to claim 1, which is characterized in that be provided with and offer at the top of the outer housing
The first boss of putting hole, the fingerprint recognition module include an eyeglass for placing finger, and the eyeglass is sealingly disposed in
In the putting hole.
9. fingerprint recognition module according to claim 8, which is characterized in that the top surface of the eyeglass is convex less than described first
The top surface of platform.
10. fingerprint recognition module according to claim 1, which is characterized in that the camera module includes lens group, right
Burnt motor, optical filter and Image Sensor, the Image Sensor are arranged on the circuit board, the lens group and focusing horse
Up to the top for being located at the Image Sensor as a lens unit, the optical filter is located at the Image Sensor and the mirror
Between head unit, the lens unit, optical filter are consistent with the center line of Image Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919830.XU CN207624006U (en) | 2017-12-29 | 2017-12-29 | Fingerprint recognition module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919830.XU CN207624006U (en) | 2017-12-29 | 2017-12-29 | Fingerprint recognition module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624006U true CN207624006U (en) | 2018-07-17 |
Family
ID=62830880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721919830.XU Expired - Fee Related CN207624006U (en) | 2017-12-29 | 2017-12-29 | Fingerprint recognition module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020181978A1 (en) * | 2019-03-14 | 2020-09-17 | 华为技术有限公司 | Electronic device |
| CN114729614A (en) * | 2019-11-20 | 2022-07-08 | 爱三工业株式会社 | EGR valve device |
-
2017
- 2017-12-29 CN CN201721919830.XU patent/CN207624006U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020181978A1 (en) * | 2019-03-14 | 2020-09-17 | 华为技术有限公司 | Electronic device |
| CN114729614A (en) * | 2019-11-20 | 2022-07-08 | 爱三工业株式会社 | EGR valve device |
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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: 20180717 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |