CN209015170U - Optical finger print identifies module detecting device - Google Patents
Optical finger print identifies module detecting device Download PDFInfo
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- CN209015170U CN209015170U CN201821728801.XU CN201821728801U CN209015170U CN 209015170 U CN209015170 U CN 209015170U CN 201821728801 U CN201821728801 U CN 201821728801U CN 209015170 U CN209015170 U CN 209015170U
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Abstract
The utility model relates to a kind of optical finger prints to identify module detecting device, it include: pedestal, equipped with lateral fixed plate and the Mobile base that is slidably connected by longitudinal linear guide and pedestal, longitudinal driving device, several optical detection apparatus being laterally set side by side, the detection circuit board set on pedestal lower end；Optical detection apparatus includes: the light source driving board set on laterally fixed front edge of board, the vertical lines guide rail that sliding block is connect with lateral fixed plate rear end, the lifting seat being connect with vertical lines guide rail upper end, lifting drive, buffering floatation element set on vertical lines guide rail lower end, optical sensing module set on buffering floatation element lower end, the mould group on pedestal and below optical sensing module detect seat.The optical finger print identifies module detecting device, detects the photosensitive property and resolution ratio of optics fingerprint recognition mould group, detection efficiency is higher, and detection error is smaller.
Description
Technical field
The utility model relates to fingerprint mould groups to detect sorting technology field, especially a kind of optical finger print identification mould group detection
Device.
Background technique
Nowadays fingerprint identification technology obtains in fields such as smart phone, attendance recorder, safety door inhibition and port customs clearances
Extensive use is arrived；The photosensitive property and resolution ratio of optical finger print identification mould group are detected, can guarantee that optical finger print identifies
The reliability of mould group；The photosensitive property of traditional optical finger print identification mould group and resolution ratio detection are existed by manually detecting
Detection efficiency is lower, the biggish deficiency of detection error；Therefore, it is higher to design a kind of detection efficiency, the lesser optics of detection error
Fingerprint recognition module detecting device, becomes urgent problem to be solved.
Utility model content
The purpose of this utility model is to overcome the photosensitive property of current optical finger print identification mould group and resolution ratio inspections
It surveys by manually detecting, it is lower that there are detection efficiencies, the biggish deficiency of detection error, and it is higher to provide a kind of detection efficiency, inspection
It surveys the lesser optical finger print of error and identifies module detecting device.
The specific technical solution of the utility model is:
A kind of optical finger print identification module detecting device, comprising: pedestal is led equipped with lateral fixed plate and by longitudinal straight line
The Mobile base that rail and pedestal are slidably connected, longitudinal driving device, several optical detection apparatus being laterally set side by side are set to bottom
The detection circuit board of seat lower end；Optical detection apparatus includes: the light source driving board set on laterally fixed front edge of board, sliding block and transverse direction
The vertical lines guide rail of fixed plate rear end connection, the lifting seat connecting with vertical lines guide rail upper end, lifting drive are set to
The buffering floatation element of vertical lines guide rail lower end, the optical sensing module set on buffering floatation element lower end, is set on pedestal
And it is located at the mould group below optical sensing module and detects seat.The optical finger print identifies that module detecting device, detection optics refer to
Line identifies the photosensitive property and resolution ratio of mould group, and detection efficiency is higher, and detection error is smaller.
Preferably, the optical sensing module includes: light source support cover, upper end is equipped with attachment base and connects with light source support cover
The detection light source connect, detection pressure head, light transmission through-hole and photosensitive through-hole set on light source support cover lower end, cover photosensitive through-hole lower end and
The photographic plate being connect with light source support cover.The light of optical sensing module is irradiated to photographic plate by photosensitive through-hole, light passes through thoroughly
Light through-hole is irradiated to the photosensitive area of optical finger print identification mould group；Photographic plate by received optical signal be converted into electric signal be transmitted to
The detection circuit board of photosensitive partitioned signal connection；Optical finger print identifies that received optical signal is converted into electric signal by mould group, and through dividing
Electric signal is transmitted to detection circuit board by the PCB adapter board not connecting with probe groups and detection circuit partitioned signal；Detection circuit board
Electric signal is transmitted to the test host of signal connection, the test host electric signal that is converted into the received optical signal of photographic plate and
The electric signal that the optical finger print identification received optical signal of mould group is converted into is compared with the standard electric signal prestored respectively, through dividing
Analysis judgement, conducive to the detection accuracy for the photosensitive property and resolution ratio for improving optical finger print identification mould group.
Preferably, the described mould group detection seat include: connect with base screw and pedestal of the upper end equipped with accommodation groove, if
Probe groups in pedestal, the mould group seat being detachably connected in accommodation groove and with pedestal, the PCB set on one side of mould group seat
Pinboard, set on the mould group accommodating cavity of mould group seat upper end and set on mould group accommodating cavity bottom surface and opposite with probe groups to connect electricity logical
Hole.It is simple and practical that mould group detects holder structure；Mould group seat is detachably connected with pedestal, conducive to mould group seat detection different size is exchanged
Optical finger print identifies mould group.
Preferably, the buffering floatation element includes: the floating platen connecting with vertical lines guide rail lower end, lower end
Equipped with through slot and the link block that is connect with attachment base upper end, pressure spring group between floating platen and link block, several etc.
High bolt and several guide pins；Link block upper end is equipped with and the perforation of through slot top surface and number spiral shell identical with contour bolt number
Bolt throughhole, number guide through hole identical and one-to-one with guide pin number；The screw rod upper end of contour bolt corresponds and wears
It crosses bolt hole and is connect with floating platen；Guide pin includes: diameter and guide through hole diameter matches and is arranged in guide through hole
In guide section, diameter is less than the linkage section that guide section diameter and upper end are connect with floating platen, respectively with guide section upper end and
The taper type changeover portion of linkage section lower end connection；Have when original state, between floating platen lower end and link block upper end vertical
Gap；The distance between guide section upper end and through slot top surface are less than the height of vertical gap.Buffer the optical detection of floatation element
Component decline, detection pressure head are contacted with the golden finger of optical finger print identification mould group, and pressure spring group is compressed, under the guide section of guide pin
It drops on the downside of guide through hole, since gap is larger between taper type changeover portion and guide through hole, link block can be carried out tri- sides XYZ
Floating to, six-freedom degree, conducive to the light source support cover of buffering optical sensing module decline impact force and will not generate lateral
Power.
Preferably, the optical finger print identifies module detecting device further include: both ends respectively with lifting seat and floating
The tension spring of pressing plate connection.Tension spring is conducive to power off suddenly in equipment or in the case where motor loss of excitation, optical sensing module is retracted original
Point prevents from detecting seat collision with mould group.
Preferably, the lifting drive is the cylinder connecting with lateral fixed plate；The piston rod and liter of cylinder
The connection of seat lower end is dropped.Lifting drive is the cylinder connecting with lateral fixed plate, and general part is at low cost.
Preferably, the longitudinal driving device include: two respectively with pedestal pivot joint drive coordination wheels, respectively with
The drive coordination band of two drive coordination wheels transmission connection, the motor being connect with pedestal, the active with the output axis connection of motor
Synchronizing wheel, the coaxially connected driven synchronizing wheel with a drive coordination wheel are driven with active synchronization wheel and driven synchronizing wheel respectively
The driving synchronous belt of connection；A side of driving synchronous belt is connect with Mobile base.Longitudinal driving device is simple and practical in structure, precision
It is high.
Compared with prior art, the utility model has the beneficial effects that the optical finger print identifies module detecting device,
The photosensitive property and resolution ratio of optics fingerprint recognition mould group are detected, detection efficiency is higher, and detection error is smaller.Optical sensing module
Light by photosensitive through-hole be irradiated to photographic plate, light by light transmission through-hole be irradiated to optical finger print identify mould group it is photosensitive
Area；Received optical signal is converted into electric signal and is transmitted to the detection circuit board connecting with photosensitive partitioned signal by photographic plate；Optics refers to
Line identifies that received optical signal is converted into electric signal by mould group, and is connect respectively with probe groups and detection circuit partitioned signal
Electric signal is transmitted to detection circuit board by PCB adapter board；Electric signal is transmitted to the test host of signal connection by detection circuit board,
The received optical signal conversion of the electric signal and optical finger print identification mould group that the received optical signal of photographic plate is converted by test host
At electric signal be compared respectively with the standard electric signal prestored, analyzed and determined, be conducive to improve optical finger print identify mould group
Photosensitive property and resolution ratio detection accuracy.It is simple and practical that mould group detects holder structure；Mould group seat is detachably connected with pedestal, benefit
Mould group is identified in the optical finger print for exchanging mould group seat detection different size.Buffer the light source support cover decline of floatation element, detection pressure
Head is contacted with the golden finger of optical finger print identification mould group, and pressure spring group is compressed, and the guide section of guide pin drops under guide through hole
Side, since gap is larger between taper type changeover portion and guide through hole, link block can be carried out XYZ tri- directions, six-freedom degrees
Floating, buffer the decline impact force of the light source support cover of optical sensing module and lateral force will not be generated.Buffer floatation element
Optical sensing module decline, detection pressure head are contacted with the golden finger of optical finger print identification mould group, and pressure spring group is compressed, guide pin
Guide section drops on the downside of guide through hole, and since gap is larger between taper type changeover portion and guide through hole, link block be can be carried out
The floating in XYZ tri- directions, six-freedom degree, conducive to buffering optical sensing module light source support cover decline impact force and will not
Generate lateral force.Tension spring is conducive to power off suddenly in equipment or in the case where motor loss of excitation, optical sensing module is retracted origin position,
It prevents from detecting seat collision with mould group.Lifting drive is the cylinder connecting with lateral fixed plate, and general part is at low cost.It is longitudinal to drive
Dynamic apparatus structure is simple and practical, and precision is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of optical detection apparatus；
Fig. 3 is the bottom view of Fig. 2；
Fig. 4 is the structural schematic diagram of mould group detection seat；
Fig. 5 is the structural schematic diagram of floatation element.
In figure: pedestal 1, lateral fixed plate 2, longitudinal linear guide 3, Mobile base 4, detection circuit board 5, light source driving board 6,
Vertical lines guide rail 7, lifting seat 8, light source support cover 9, attachment base 10, detection light source 11, detection pressure head 12, light transmission through-hole 13, sense
Light through-hole 14, accommodation groove 16, pedestal 17, mould group seat 18, PCB adapter board 19, mould group accommodating cavity 20, connects electric through-hole at photographic plate 15
21, floating platen 22, through slot 23, link block 24, pressure spring group 25, contour bolt 26, guide pin 27, bolt hole 28, guiding are logical
Hole 29, guide section 30, linkage section 31, taper type changeover portion 32, vertical gap 33, tension spring 34, cylinder 35, drive coordination wheel 36,
Drive coordination band 37, motor 38, active synchronization wheel 39, driven synchronizing wheel 40, driving synchronous belt 41, optical finger print identify mould group
42, golden finger 43, optical detection apparatus 44.
Specific embodiment
The utility model is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1 to attached drawing 5: a kind of optical finger print identification module detecting device, comprising: pedestal 1 is equipped with laterally solid
The fixed board 2 and Mobile base 4 being slidably connected by two longitudinal linear guides 3 with pedestal, longitudinal driving device, four transverse directions are arranged side by side
The optical detection apparatus 44 of setting, the detection circuit board 5 set on pedestal lower end；Optical detection apparatus includes: to be set to laterally to fix
The light source driving board 6 of front edge of board, the vertical lines guide rail 7 that sliding block is connect with lateral fixed plate rear end screw, leads with vertical lines
The lifting seat 8 of rail upper end screw connection, lifting drive, the buffering floatation element set on vertical lines guide rail lower end are set to
The optical sensing module for buffering floatation element lower end, the mould group on pedestal and below optical sensing module detect seat.
The optical sensing module includes: light source support cover 9, and upper end is equipped with attachment base 10 and connect with light source support cover screw
Detection light source 11, detection pressure head 12, light transmission through-hole 13 and photosensitive through-hole 14 set on light source support cover lower end cover photosensitive through-hole
Lower end and the photographic plate 15 being connect with light source support cover screw.
The described mould group detection seat includes: connect with base screw and upper end is equipped with the pedestal 17 of accommodation groove 16, set on seat
Probe groups (being not drawn into attached drawing) in body, the mould group seat 18 connecting in accommodation groove and with pedestal screw are set to mould group seat
The PCB adapter board 19 of one side, set on the mould group accommodating cavity 20 of mould group seat upper end and set on mould group accommodating cavity bottom surface and and probe
Group is opposite to connect electric through-hole 21.
The buffering floatation element includes: the floating platen 22 connecting with vertical lines guide rail lower end, and lower end is equipped with logical
Slot 23 and the link block 24 being connect with attachment base upper end screw, the pressure spring group 25 between floating platen and link block, two
Contour bolt 26 and two guide pins 27；Link block upper end is equipped with, and and through slot top surface penetrates through and number is identical as contour bolt number
Bolt hole 28, number guide through hole 29 identical and one-to-one with guide pin number；The screw rod upper end one of contour bolt
One corresponds to across bolt hole and connect with floating platen；Guide pin includes: that diameter cooperates and wears with guide through hole diametric clearance
Guide section 30 in guide through hole, diameter are less than guide section diameter and the connection of upper end and floating platen interference fit connection
Section 31, is integrally formed the taper type changeover portion 32 of connection with guide section upper end and linkage section lower end respectively；When original state, float
There is vertical gap 33 between pressing plate lower end and link block upper end；The distance between guide section upper end and through slot top surface are less than vertical
The height in gap.
The optical finger print identifies module detecting device further include: what both ends were connect with lifting seat and floating platen respectively
Tension spring 34.
The lifting drive is the cylinder 35 connecting with lateral fixed plate bolt；The piston rod and lifting seat of cylinder
The connection of lower end screw.
The longitudinal driving device includes: two drive coordination wheels 36 for passing through bearing hinge joint with pedestal respectively, respectively
With the drive coordination band 37 of two drive coordination wheels transmission connection, the motor 38 being connect with base screw, the output shaft with motor
The active synchronization wheel 39 of key connection, the driven synchronizing wheel 40 being coaxially keyed with a drive coordination wheel, respectively with active synchronization
The driving synchronous belt 41 of wheel and the transmission connection of driven synchronizing wheel；A side of driving synchronous belt is connect with Mobile base screw.Motor
For servo motor.
The detection method of the optical finger print identification module detecting device, (1) places optical finger print identification mould group 42
In the mould group accommodating cavity of mould group detection seat, the golden finger 43 of optical finger print identification mould group, which is located at, to be connect in electric through-hole and and probe groups
Relatively；(2) longitudinal driving device driving Mobile base is mobile, is located at optical sensing module above corresponding mould group detection seat；(3)
The piston rod of the cylinder of lifting drive drives lifting seat decline, drives optics through vertical lines guide rail, buffering floatation element
Detection components decline, detection pressure head are contacted with the golden finger of optical finger print identification mould group；(4) the pressure spring group quilt of floatation element is buffered
Compression, the guide section of guide pin drops on the downside of guide through hole, since gap is larger between taper type changeover portion and guide through hole,
Link block can be carried out the floating in tri- directions, six-freedom degree XYZ, buffer the decline impact of the light source support cover of optical sensing module
Power and lateral force will not be generated, until light source support cover pushes down the pedestal of mould group detection seat, golden finger pushes down probe groups；(5) and light
The detection light source of source driving plate electrical connection is opened, and light is irradiated to photographic plate by photosensitive through-hole, is irradiated to by light transmission through-hole
The photosensitive area of optical finger print identification mould group；Received optical signal is converted into electric signal and is transmitted to and photosensitive partitioned signal company by photographic plate
The detection circuit board connect；Optical finger print identifies that received optical signal is converted into electric signal by mould group, and through respectively with probe groups and
Electric signal is transmitted to detection circuit board by the PCB adapter board of detection circuit partitioned signal connection；(6) detection circuit board passes electric signal
It is sent to the test host of signal connection, the electric signal and optical finger print that the received optical signal of photographic plate is converted by test host are known
The electric signal that the other received optical signal of mould group is converted into is compared with the standard electric signal prestored respectively, complete through analyzing and determining
At the detection of the photosensitive property and resolution ratio of optical finger print identification mould group.
The beneficial effects of the utility model are: the optical finger print identifies that module detecting device, detection optical finger print are known
The photosensitive property and resolution ratio of other mould group, detection efficiency is higher, and detection error is smaller.The light of optical sensing module passes through photosensitive
Through-hole is irradiated to photographic plate, light and is irradiated to the photosensitive area that optical finger print identifies mould group by light transmission through-hole；Photographic plate will receive
Optical signal be converted into electric signal and be transmitted to the detection circuit board connecting with photosensitive partitioned signal；Optical finger print identifies that mould group will receive
Optical signal be converted into electric signal, and the PCB adapter board through connecting respectively with probe groups and detection circuit partitioned signal is by electric signal
It is transmitted to detection circuit board；Electric signal is transmitted to the test host of signal connection by detection circuit board, tests host for photographic plate
The electric signal that electric signal and optical finger print that received optical signal is converted into the identification received optical signal of mould group are converted into respectively with
The standard electric signal prestored is compared, through analyzing and determining, conducive to the photosensitive property and resolution for improving optical finger print identification mould group
The detection accuracy of rate.It is simple and practical that mould group detects holder structure；Mould group seat is detachably connected with pedestal, is conducive to exchange the detection of mould group seat
The optical finger print of different size identifies mould group.The light source support cover decline of floatation element is buffered, detection pressure head and optical finger print identify
The golden finger of mould group contacts, and pressure spring group is compressed, and the guide section of guide pin drops on the downside of guide through hole, due to taper type transition
Gap is larger between section and guide through hole, and link block can be carried out the floating in tri- directions, six-freedom degree XYZ, buffering optics inspection
It surveys the decline impact force of the light source support cover of component and lateral force will not be generated.The optical sensing module decline of floatation element is buffered,
Detection pressure head is contacted with the golden finger of optical finger print identification mould group, and pressure spring group is compressed, and the guide section of guide pin drops to guiding
On the downside of through-hole, since gap is larger between taper type changeover portion and guide through hole, link block can be carried out tri- directions XYZ, six
The floating of freedom degree, conducive to buffering optical sensing module light source support cover decline impact force and lateral force will not be generated.Tension spring
Conducive to being powered off suddenly in equipment or in the case where motor loss of excitation, optical sensing module being retracted origin position, prevents and mould group detects
Seat bumps against.Lifting drive is the cylinder connecting with lateral fixed plate, and general part is at low cost.Longitudinal driving device structure is simple
Practical, precision is high.
In addition to the implementation, in the range disclosed in claims of the utility model and specification, this is practical
Novel technical characteristic or technical data can be reselected and be combined, to constitute new embodiment, these are all these
Field technical staff is without carrying out what creative work can be realized, therefore the implementation that these the utility model are not described in
Example also should be regarded as specific embodiment of the utility model and be within the protection scope of the utility model.
Claims (7)
1. a kind of optical finger print identifies module detecting device, comprising: pedestal is equipped with lateral fixed plate and by longitudinal linear guide
The Mobile base being slidably connected with pedestal, longitudinal driving device, characterized in that the optical finger print identification module detecting device is also
It include: the optical detection apparatus that several are laterally set side by side, the detection circuit board set on pedestal lower end；Optical detection apparatus packet
Include: set on the light source driving board of laterally fixed front edge of board, the vertical lines guide rail that sliding block is connect with lateral fixed plate rear end and is erected
The lifting seat connected to linear guide upper end, lifting drive, the buffering floatation element set on vertical lines guide rail lower end, if
Optical sensing module in buffering floatation element lower end, the mould group detection on pedestal and below optical sensing module
Seat.
2. optical finger print according to claim 1 identifies module detecting device, it is characterized in that: the optical sensing module
It include: light source support cover, the detection light source that upper end is equipped with attachment base and connect with light source support cover, the detection set on light source support cover lower end
Pressure head, light transmission through-hole and photosensitive through-hole, the photographic plate for covering photosensitive through-hole lower end and being connect with light source support cover.
3. optical finger print according to claim 2 identifies module detecting device, it is characterized in that: the mould group detects seat packet
Include: being connect with base screw and upper end be equipped with accommodation groove pedestal, the probe groups in pedestal, be set to accommodation groove in and with seat
The mould group seat that body is detachably connected, the PCB adapter board set on one side of mould group seat, set on mould group seat upper end mould group accommodating cavity and
Set on mould group accommodating cavity bottom surface and opposite with probe groups connect electric through-hole.
4. optical finger print according to claim 2 or 3 identifies module detecting device, it is characterized in that: the buffering is floated
Component includes: the floating platen connecting with vertical lines guide rail lower end, the company that lower end is equipped with through slot and connect with attachment base upper end
Block is connect, the pressure spring group between floating platen and link block, several contour bolts and several guide pins；Link block upper end
Equipped with and the perforation of through slot top surface and number and the identical bolt hole of contour bolt number, number it is identical as guide pin number and one
One corresponding guide through hole；The screw rod upper end of contour bolt corresponds across bolt hole and connect with floating platen；Guiding
Pin includes: diameter and guide through hole diameter matches and is arranged in the guide section in guide through hole, diameter be less than guide section diameter and
The linkage section that upper end is connect with floating platen, the taper type changeover portion being connect respectively with guide section upper end and linkage section lower end；Just
When beginning state, there is vertical gap between floating platen lower end and link block upper end；Between guide section upper end and through slot top surface
Distance is less than the height of vertical gap.
5. optical finger print according to claim 4 identifies module detecting device, it is characterized in that: further include: both ends respectively with
The tension spring that lifting seat is connected with floating platen.
6. optical finger print according to claim 1 or 2 or 3 identifies module detecting device, it is characterized in that: the lifting is driven
Dynamic device is the cylinder connecting with lateral fixed plate；The piston rod of cylinder is connect with lifting seat lower end.
7. optical finger print according to claim 1 or 2 or 3 identifies module detecting device, it is characterized in that: longitudinal drive
Dynamic device includes: two drive coordination wheels with pedestal pivot joint respectively, the transmission being sequentially connected respectively with two drive coordination wheels
Synchronous belt, the motor connecting with pedestal, the active synchronization wheel with the output axis connection of motor coaxially connect with a drive coordination wheel
The driven synchronizing wheel connect, the driving synchronous belt being sequentially connected respectively with active synchronization wheel and driven synchronizing wheel；Drive synchronous belt
A side is connect with Mobile base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728801.XU CN209015170U (en) | 2018-10-23 | 2018-10-23 | Optical finger print identifies module detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728801.XU CN209015170U (en) | 2018-10-23 | 2018-10-23 | Optical finger print identifies module detecting device |
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| Publication Number | Publication Date |
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| CN209015170U true CN209015170U (en) | 2019-06-21 |
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ID=66839892
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821728801.XU Active CN209015170U (en) | 2018-10-23 | 2018-10-23 | Optical finger print identifies module detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109376650A (en) * | 2018-10-23 | 2019-02-22 | 杭州长川科技股份有限公司 | Optical finger print identifies module detecting device and detection method |
-
2018
- 2018-10-23 CN CN201821728801.XU patent/CN209015170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109376650A (en) * | 2018-10-23 | 2019-02-22 | 杭州长川科技股份有限公司 | Optical finger print identifies module detecting device and detection method |
| CN109376650B (en) * | 2018-10-23 | 2020-09-25 | 杭州长川科技股份有限公司 | Optical fingerprint identification module detection device and detection method |
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