CN108802297A - The detection method of fingerprint cover board and the detection device of fingerprint cover board - Google Patents
The detection method of fingerprint cover board and the detection device of fingerprint cover board Download PDFInfo
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- CN108802297A CN108802297A CN201810810750.3A CN201810810750A CN108802297A CN 108802297 A CN108802297 A CN 108802297A CN 201810810750 A CN201810810750 A CN 201810810750A CN 108802297 A CN108802297 A CN 108802297A
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- China
- Prior art keywords
- height
- cover board
- fingerprint cover
- fingerprint
- value set
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
Abstract
The application provides a kind of detection device of the detection method and fingerprint cover board of fingerprint cover board.The detection method of the fingerprint cover board includes：The height of several points on the first height and position detection shell, to obtain the first height value set；The height of the several points on the fingerprint cover board is detected in the second height and position, to obtain the second height value set；Maximum height difference is calculated according to the first height value set and the second height value set；The maximum height difference is compared with pre-set interval, to carry out defect dipoles to the fingerprint cover board, wherein the defect includes one kind that fingerprint cover board warps with fingerprint cover board in sagging.The technical solution of the application helps to improve the accuracy of detection to fingerprint cover board.
Description
Technical field
This application involves the detections of the detection method and fingerprint cover board of detection technique field more particularly to a kind of fingerprint cover board
Device.
Background technology
With the development of the times, electronic device is more and more common using the application of unlocked by fingerprint technology.And in electronics
During device is manufactured, other than fingerprint function to be ensured is normal, complete machine appearance caused by fingerprint also needs
Add to pay attention to.The bad order of fingerprint is mainly manifested in fingerprint and warps and sink, and electronic device manufacturer, which has also all formulated, to warp
Management and control is carried out with sagging standard.But traditional technical solution is to go to touch with hand by producing line operating personnel, with sense of touch
Execution standard definition is gone to be difficult to ensure, it is easy to generate defective products.
Invention content
The application provides a kind of detection method of fingerprint cover board, and the detection method of the fingerprint cover board includes：
The height of several points on the first height and position detection shell, to obtain the first height value set；
The height of the several points on the fingerprint cover board is detected in the second height and position, to obtain the second height value collection
It closes；
Maximum height difference is calculated according to the first height value set and the second height value set；
The maximum height difference is compared with pre-set interval, to carry out defect dipoles to the fingerprint cover board, wherein
The defect includes one kind that fingerprint cover board warps with fingerprint cover board in sagging.
The detection method of fingerprint cover board provided by the present application, by the shell that the first height and position detects electronic device
Several points height, to obtain the first height value set；Then the fingerprint of electronic device is detected in the second height and position again
The height of several points on cover board, to obtain the second height value set；Then by the numerical value and in the first height value set
Numerical value in two height value sets makes the difference, and calculates maximum height difference；Finally maximum height difference is compared with pre-set interval,
With to the fingerprint cover board carry out defect dipoles, wherein the defect include fingerprint cover board warp with fingerprint cover board sink in
It is a kind of.The application, by detecting the method for several points, judges have using shell as reference to the defect of fingerprint cover board
Help improve the accuracy of detection to fingerprint cover board.
The application also provides a kind of detection device of fingerprint cover board, which is characterized in that the detection device of the fingerprint cover board
Including：
First detecting module is high to obtain first for the height of the several points on the first height and position detection shell
Angle value set；
Second detecting module, the height for detecting the several points on the fingerprint cover board in the second height and position, with
Obtain the second height value set；
Computing module, for calculating maximum height according to the first height value set and the second height value set
Difference；
Contrast judgement module, for the maximum height difference to be compared with pre-set interval, with to the fingerprint cover board
Carry out defect dipoles, wherein the defect includes one kind that fingerprint cover board warps with fingerprint cover board in sagging.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the application embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the application, for this field
For those of ordinary skill, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the flow diagram of the detection method for the fingerprint cover board that the embodiment of the present application one provides.
Fig. 2 is the position relationship schematic diagram of sensing point in the embodiment of the present application one.
Fig. 3 is a kind of local flow chart of step S200 in the embodiment of the present application one.
Fig. 4 is the local flow chart of another kind of step S200 in the embodiment of the present application one.
Fig. 5 is a kind of schematic diagram of detection mode in the embodiment of the present application one.
Fig. 6 is the schematic diagram of another detection mode in the embodiment of the present application one.
Fig. 7 is the structural schematic diagram of the detection device for the fingerprint cover board that the embodiment of the present application one provides.
Fig. 8 is a kind of structural schematic diagram of second detecting module in the embodiment of the present application one.
Fig. 9 is the structural schematic diagram of another second detecting module in the embodiment of the present application one.
Figure 10 is the structural schematic diagram of contrast judgement module in the embodiment of the present application one.
Specific implementation mode
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute under the premise of not making the creative labor
The every other embodiment obtained, shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the flow diagram of the detection method for the fingerprint cover board that the embodiment of the present application one provides.?
In the present embodiment, the detection method of the fingerprint cover board 200 includes but not limited to step S100, S200, S300 and S400, about
Step S100, S200, S300 and S400 are described in detail as follows.
S100：The height of several points on the first height and position detection shell 100, to obtain the first height value set.
Wherein, the shell 100 can be the front housing of electronic device 1, or the rear cover of electronic device 1.Optionally,
Electronic device 1 refers to being made of electronic components such as integrated circuit, transistor, electron tubes, application electric technology (including) software
The equipment to play a role, common electronic device 1 include：Smart mobile phone, tablet computer, laptop, palm PC, movement
Internet device (mobile internet device, MID), wearable device, such as smartwatch, Intelligent bracelet, meter step
Device etc. has the device of fingerprint identification function.
Optionally, the method for detecting the height of several points on shell 100 can be infrared acquisition, or ultrasonic wave
Ranging.Specifically, being illustrated by taking infrared acquisition as an example, several points on shell 100 are detected when using infrared detection sensor
Height when, first, the transmitting module of infrared detection sensor emits infrared ray to shell 100, and then, shell 100 is red by this
Outside line reflects, and then the receiving module of infrared detection sensor receives the infrared ray, is emitted according to infrared detection sensor
Can calculate the distance between infrared detection sensor and shell 100 with the time difference of receiving infrared-ray, by transmitting and
Several infrared acquisition signals are received, it is hereby achieved that the first height value set.
S200：The height of the several points on the fingerprint cover board 200 is detected in the second height and position, it is high to obtain second
Angle value set.
Equally, the mode for detecting the several points on the fingerprint cover board 200 may be infrared acquisition, can also be super
Acoustic detection.Specifically, repeating no more.
Wherein, the second height and position can be identical as the first height and position, can also be different from the first height and position.It is preferred that
, first height and position is identical with second height and position, so as to use same detection device in same position
Shell 100 and fingerprint cover board 200 are detected simultaneously, help to improve detection efficiency.
Referring to Fig. 2, Fig. 2 is the position relationship schematic diagram of sensing point in the embodiment of the present application one.Optionally, preferably one
Have between several points on several points and the fingerprint cover board 200 in embodiment, on the shell 100 one-to-one
Relationship, and on point on the shell 100 and the fingerprint cover board 200 corresponding point about the fingerprint cover board 200
Contour line S is symmetrical.
Wherein, one-to-one correspondence refers to the correspondence for having between two set elements one-one relationship.In mathematics, dijection, dijection
Function corresponds function between the element for being two groups, and each element of one of which is matched just with another group of element
Right, another group of each element also matches just with first group of just what a element.There is no unpaired element.In mathematicasis
In language, bijective function f：X → Y is the mapping one by one of set X and set Y, is also one-to-one correspondence.
Specifically, the sensing point on the shell 100 is located at the contour line S of the fingerprint cover board 200 with the fingerprint lid
On the curve being amplified centered on the geometric center of plate 200, the sensing point on the fingerprint cover board 200 is located at the finger
On the curve that the contour line S of line cover board 200 is reduced centered on the geometric center of the fingerprint cover board 200.
For example, four points A1, A2, A3 and A4 on the shell 100 are detected in the first height and position, then
Two height and positions detect four points a1, a2, a3 and a4 on the fingerprint cover board 200, wherein A1 and a1, A2 and a2, A3 and a3
And A4 and a4 are symmetrical about the contour line S of fingerprint cover board 200.Since sensing point A1, A2, A3 and A4 on shell 100 are equal
It is corresponding to it with four points a1, a2, a3 and a4 on fingerprint cover board 200, i.e., has chosen multiple sensing points on shell 100,
It can be to avoid the interference of accidentalia, so as to avoid interference of the defect of of the shell 100 to judging result itself.And work as
Contour line S of the corresponding point about the fingerprint cover board 200 on point and the fingerprint cover board 200 on the shell 100
When symmetrical, the result detected can be made more accurate.
It is a kind of local flow chart of step S200 in the embodiment of the present application one also referring to Fig. 2 and Fig. 3, Fig. 3.It is optional
, in one embodiment, " the S200：The several points on the fingerprint cover board 200 are detected in the second height and position
Highly, to obtain the second height value set " include but not limited to step S210 and S220, about the detailed of step S210 and S220
It is described below.
S210：The height for detecting the several points of 200 central area of fingerprint cover board, to obtain the height of central area
Value set.
S220：The height value set medium wave momentum for extracting central area is more than several height values of predetermined threshold value, and counts
The average value for calculating several height values more than predetermined threshold value, using the average value as the second height value set.
Specifically, in the technical scheme, choosing the height value set medium wave momentum of 200 central area of fingerprint cover board
More than several height values of predetermined threshold value, the average value of several height values more than predetermined threshold value is then calculated, it will be described
Average value is as the second height value set.Due to being easier fingerprint cover board 200 occur in the central area of fingerprint cover board 200 to warp
Therefore the either sagging problem of fingerprint cover board in the technical scheme, chooses the central area of fingerprint cover board 200 to study,
And it is further, the either generation of fingerprint cover board 200 warps and either sink, and the height value detected from the second height and position is all
Larger fluctuation is will produce, for this purpose, the height value set medium wave momentum in the technical program Selection Center region is more than predetermined threshold value
Several height values studied, the larger parameter extraction that either sink that warp will be generated to influencing fingerprint cover board 200
Out, to by the screening to data, reduce the treating capacity to data, improve the speed of data processing, to improve
Efficiency.
It is the local flow chart of another kind of step S200 in the embodiment of the present application one also referring to Fig. 2 and Fig. 4, Fig. 4.It can
Choosing, in another embodiment, described " detecting the several points on the fingerprint cover board 200 " includes but not limited to step
S230 and S240, about being described in detail as follows for step S230 and S240.
S230：Array scanning sampling is carried out to the fingerprint cover board 200, to obtain several points.
Wherein, array scanning sampling carries out in the way of row scanning either column scan, helps so that sampled point
More crypto set, it is easier to cover the entire surface of fingerprint cover board 200, influence that can be to avoid accidentalia to sampled result.
S240：It is the first sample rate, control to control to the scanning sample speed of the central area of the fingerprint cover board 200
Scanning sample speed to the fringe region of the fingerprint cover board 200 is the second sample rate, wherein first sample rate
Less than second sample rate.
Specifically, the central area due to fingerprint cover board 200 is more prone to compared to the fringe region of fingerprint cover board 200
Warp either sagging problem, therefore, for region of the central area as high spot reviews of fingerprint cover board 200.For this purpose,
The sensing point more crypto set of the central area acquisition of fingerprint cover board 200, and in the detection of the fringe region of fingerprint cover board 200 acquisition
The relatively smaller point of point, can optimize the selection and screening to data, meanwhile, help to reduce the treating capacity to data, improves data
The speed of processing, to improve efficiency.When the central area progress array scanning using the first sample rate to fingerprint cover board 200
Sampling carries out array scanning sampling using the second sample rate to the fringe region of fingerprint cover board 200, and the first sample rate is less than
When the second sample rate, the sampled point in the central area of fingerprint cover board 200 can be made more, and in fingerprint cover board 200
Heart district domain is easier to occur warping or therefore on the one hand sagging problem can improve the precision of detection, on the other hand,
The treating capacity that data can also be reduced relatively, helps to improve the processing speed of data.
Optionally, in a better embodiment, the central area of the fingerprint cover board 200 is carried out according to preset rules
Scanning sample.The fringe region of the fingerprint cover board 200 is sampled using random scanning.
Wherein, it can be " returning " font scanning sample to be scanned sampling according to preset rules, or swept in " s " type
Sampling is retouched, annular constrictions scanning sample can also be presented, so that the scanning sample of the central area of the fingerprint cover board 200
Point is dispersed in the surface as big as possible of fingerprint cover board 200, and error caused by avoiding scanning sample point from more concentrating is tied to comparing
Fruit has an impact.
The either sagging problem specifically, the central area of fingerprint cover board 200 is easier to occur warping, therefore, for
The central area of fingerprint cover board 200 needs high spot reviews.For this purpose, for fingerprint cover board 200 central area according to preset rules
It is scanned sampling；The fringe region of the fingerprint cover board 200 is sampled using random scanning.Further, for fingerprint
It the central area of cover board 200 can be according to array scanning, including row scanning either column scan.And for fingerprint cover board 200
Fringe region, the mode that random scanning can be taken to sample.And for the point of the fringe region scanning sample of fingerprint cover board 200
Quantity can suitably be less than the quantity of the point of the central area scanning sample of fingerprint cover board 200.
S300：Maximum height difference is calculated according to the first height value set and the second height value set.
It should be noted that the first height value set and the second height value set are carried out mathematic interpolation
When, it needs first to weed out the bigger point of numerical fluctuations in the first height value set and the second height value set,
When these points may be due to scanning sample, therefore the point of failure in order to ensure the accuracy of final comparison result, needs
The point of these suspected malfunctions is removed.
It is a kind of schematic diagram of detection mode in the embodiment of the present application one also referring to Fig. 2 and Fig. 5, Fig. 5.Optionally,
It in one embodiment, will be described maximum high when the first height and position h1 is equal with the second height and position h2
The degree difference sub- pre-set intervals of Δ h and first [- δ, δ] are compared, and are judged with the defect to the fingerprint cover board 200.
Wherein, object of reference equal with the second height and position h2 the first height and position h1 is the earth.I.e. compared to horizontal plane
For, the first height and position h1 is equal with the second height and position h2.At this point, on the first height and position h1 detection shells 100
Several points, to obtain the first height value set.Several points on the second height and position h2 detection fingerprints cover board 200, with
Obtain the second height value set.The first height value set and the second height value set are made the difference into value again, choose maximum height difference Δ h
It is compared with the first sub- pre-set interval [- δ, δ], is judged with the defect to the fingerprint cover board 200.For example,
One height value set be 108mm, 108.1mm, 108.2mm and 108.3mm, the second height value set be 110mm, 110.5mm,
First height value set and the second height value set are then made the difference value, obtain maximum height difference Δ by 110.7mm and 110.8mm
H=-2.8mm, it is assumed that δ values are 3, then the first sub- pre-set interval [- 3,3], at this point, Δ h ∈ [- δ, δ], it is therefore contemplated that fingerprint
Cover board 200 does not have defect.Assuming that δ values are 2, then the first sub- pre-set interval [- 2,2], at this point,And -2.8
< -2 sink it is therefore contemplated that fingerprint cover board occurs in fingerprint cover board 200.
It is the schematic diagram of another detection mode in the embodiment of the present application one also referring to Fig. 2, Fig. 5 and Fig. 6, Fig. 6.It can
Choosing, in another embodiment, when the first height and position h1 and the second height and position h2 are unequal and described
When forming the first difference in height Δ h1 between the first height and position h1 and the second height and position h2, by the maximum height difference Δ
The sub- pre-set intervals of h and second [Δ h1- δ, Δ h1+ δ] are compared, and are judged with the defect to the fingerprint cover board 200,
In, the second sub- pre-set interval [Δ h1- δ, Δ h1+ δ] is the described first sub- pre-set interval [- δ, δ] and first height
The sum of poor Δ h1.
Wherein, object of reference equal with the second height and position h2 the first height and position h1 is the earth.I.e. compared to horizontal plane
For, the first height and position h1 and the second height and position h2 are unequal.At this point, on the first height and position h1 detection shells 100
Several points, to obtain the first height value set.Several points on the second height and position h2 detection fingerprints cover board 200,
To obtain the second height value set.The first height value set and the second height value set are made the difference into value again, choose maximum height difference
The sub- pre-set intervals of Δ h and second [Δ h1- δ, Δ h1+ δ] are compared, and are judged with the defect to the fingerprint cover board 200.
For example, the first height value set is 108mm, 108.1mm, 108.2mm and 108.3mm, and the second height value set is
First height value set and the second height value set are then made the difference value, obtained by 115mm, 115.5mm, 115.7mm and 115.8mm
To maximum height difference Δ h=-7.8mm, it is assumed that δ values are 8, then the first sub- pre-set interval [- 8,8], at this point, Δ h ∈ [- δ, δ],
It is therefore contemplated that fingerprint cover board 200 does not have defect.Assuming that δ values are 7, then the second sub- pre-set interval [- 7,7], at this point,And -7.8 < -7, it sink it is therefore contemplated that fingerprint cover board occurs in fingerprint cover board 200.
S400：The maximum height difference is compared with pre-set interval, is sentenced with carrying out defect to the fingerprint cover board 200
It is disconnected, wherein the defect includes one kind that fingerprint cover board 200 warps with fingerprint cover board 200 in sagging.
Specifically, when the maximum height difference is more than the maximum value of pre-set interval, judge the defect for fingerprint cover board
200 sink.When the maximum height difference is less than the minimum value of pre-set interval, judge that the defect warps for fingerprint cover board 200.
When the maximum height difference is in the range of pre-set interval, judge that the fingerprint cover board 200 does not have defect.
The detection method for the fingerprint cover board 200 that the technical program provides, by detecting electronic device in the first height and position
Shell 100 on several points height, to obtain the first height value set；Then electronics is detected in the second height and position again
The height of several points on the fingerprint cover board 200 of device, to obtain the second height value set；Then by the first height value set
In numerical value made the difference with the numerical value in the second height value set, calculate maximum height difference；Finally by maximum height difference with it is default
Section is compared, to carry out defect dipoles to the fingerprint cover board 200, wherein the defect includes that fingerprint cover board 200 warps
One kind in sinking with fingerprint cover board 200.The technical program is using shell 100 as reference, by detecting the method for several points,
The defect of fingerprint cover board 200 is judged, the accuracy of detection to fingerprint cover board 200 is helped to improve.
It is the structure of the detection device for the fingerprint cover board that the embodiment of the present application one provides also referring to Fig. 2 and Fig. 7, Fig. 7
Schematic diagram.In the present embodiment, the detection device 10 of the fingerprint cover board includes but not limited to the first detecting module 101, second
Detecting module 102, computing module 103 and contrast judgement module 104, about the first detecting module 101, the second detecting module 102,
Computing module 103 and contrast judgement module 104 are described in detail as follows.
First detecting module 101, for the height of the several points on the first height and position detection shell 100, to obtain
First height value set.
Second detecting module 102, the height for detecting the several points on the fingerprint cover board 200 in the second height and position
Degree, to obtain the second height value set.
It is a kind of structural schematic diagram of second detecting module in the embodiment of the present application one also referring to Fig. 2 and Fig. 8, Fig. 8.
Optionally, in one embodiment, second detecting module 102 includes but not limited to the second detection submodule 1021 and carries
Computing module 1022 is taken, about the second detection submodule 1021 and extracts being described in detail as follows for computing module 1022.
Second detection submodule 1021, the height of the several points for detecting 200 central area of fingerprint cover board, with
Obtain the height value set of central area.
Computing module 1022 is extracted, if the height value set medium wave momentum for extracting central area is more than predetermined threshold value
Dry height value, and the average value of several height values more than predetermined threshold value is calculated, using the average value as the second height
Value set.
It is the structural representation of another second detecting module in the embodiment of the present application one also referring to Fig. 2 and Fig. 9, Fig. 9
Figure.Optionally, in another embodiment, second detecting module 102 further includes but is not limited to 1023 He of sampling module
Control module 1024, about being described in detail as follows for sampling module 1023 and control module 1024.
Sampling module 1023, for carrying out array scanning sampling to the fingerprint cover board 200, to obtain several points.
Control module 1024, it is first to be used to control to the scanning sample speed of the central area of the fingerprint cover board 200
Sample rate, it is the second sample rate to control to the scanning sample speed of the fringe region of the fingerprint cover board 200, wherein institute
It states the first sample rate and is less than second sample rate.
Computing module 103, for calculating maximum according to the first height value set and the second height value set
Difference in height.
Contrast judgement module 104, for the maximum height difference to be compared with pre-set interval, with to the fingerprint lid
Plate 200 carries out defect dipoles, wherein the defect includes one kind that fingerprint cover board 200 warps with fingerprint cover board 200 in sagging.
Specifically, when first height and position is equal with second height and position, by the maximum height difference with
First sub- pre-set interval is compared；When first height and position and second height and position are unequal, and described first
When forming the first difference in height between height and position and second height and position, by the maximum height difference and the second sub- preset areas
Between be compared, wherein the second sub- pre-set interval be the sum of the described first sub- pre-set interval and first difference in height.
Optionally, in a better embodiment, if on the shell 100 in several points and the fingerprint cover board 200
It is corresponding on point and the fingerprint cover board 200 with one-to-one relationship between dry point, and on the shell 100
Point is symmetrical about the contour line S of the fingerprint cover board 200.
It is the structural schematic diagram of contrast judgement module in the embodiment of the present application one also referring to Fig. 2 and Figure 10, Figure 10.It can
Choosing, in one embodiment, the contrast judgement module 104 including but not limited to the first contrast judgement submodule 1041,
Second contrast judgement submodule 1042 and third contrast judgement submodule 1043, about the first contrast judgement submodule 1041,
Two contrast judgement submodules 1042 and third contrast judgement submodule 1043 are described in detail as follows.
First contrast judgement submodule 1041 is used to, when the maximum height difference is more than the maximum value of pre-set interval, sentence
The defect of breaking is sunk for fingerprint cover board 200.
Second contrast judgement submodule 1042 is used to, when the maximum height difference is less than the minimum value of pre-set interval, sentence
The defect of breaking is that fingerprint cover board 200 warps.
Third contrast judgement submodule 1043, for when the maximum height difference is in the range of pre-set interval, judging
The fingerprint cover board 200 does not have defect.
The embodiment of the present application also provides a kind of electronic device 1, including one or more processors, one or more storages
Device, one or more transceivers, and one or more programs, one or more of programs are stored in the memory
In, and be configured to be executed by one or more of processors, described program includes for executing fingerprint lid as described above
The instruction of step in the detection method of plate 200.
The embodiment of the present application also provides a kind of computer storage media, wherein computer storage media storage is for electricity
The computer program that subdata exchanges, the computer program make computer execute the detection method such as above-mentioned fingerprint cover board 200
Some or all of the detection method of any fingerprint cover board 200 described in embodiment step, the computer include fingerprint lid
The detection device 10 of plate.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned day
Some or all of either method described in line switching method embodiment step.The computer program product can be one soft
Part installation kit, the computer include the detection device 10 of fingerprint cover board.
It should be noted that for each method embodiment above-mentioned, for simple description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, involved action and module not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, for example, the unit division, it is only a kind of
Division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the application
Step.And memory above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer-readable memory, memory
May include：Flash disk, read-only memory (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
Meanwhile for those of ordinary skill in the art, according to the thought of the application, can in specific embodiments and applications
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (12)
1. a kind of detection method of fingerprint cover board, which is characterized in that the detection method of the fingerprint cover board includes：
The height of several points on the first height and position detection shell, to obtain the first height value set；
The height of the several points on the fingerprint cover board is detected in the second height and position, to obtain the second height value set；
Maximum height difference is calculated according to the first height value set and the second height value set；
The maximum height difference is compared with pre-set interval, to carry out defect dipoles to the fingerprint cover board, wherein described
Defect includes one kind that fingerprint cover board warps with fingerprint cover board in sagging.
2. the detection method of fingerprint cover board as described in claim 1, which is characterized in that when first height and position with it is described
When second height and position is equal, the maximum height difference is compared with the first sub- pre-set interval；When first height position
It sets unequal with second height and position, and is formed between first height and position and second height and position first high
When degree difference, the maximum height difference is compared with the second sub- pre-set interval, wherein the second sub- pre-set interval is described
The sum of first sub- pre-set interval and first difference in height.
3. the detection method of fingerprint cover board as described in claim 1, which is characterized in that on the shell several points with it is described
On point and the fingerprint cover board with one-to-one relationship between several points on fingerprint cover board, and on the shell therewith
Corresponding point is symmetrical about the contour line of the fingerprint cover board.
4. the detection method of fingerprint cover board as described in claim 1, which is characterized in that described " to be detected in the second height and position
The height of several points on the fingerprint cover board, to obtain the second height value set " includes：
The height for detecting the several points in fingerprint cover plate central region, to obtain the height value set of central area；
The height value set medium wave momentum for extracting central area is more than several height values of predetermined threshold value, and calculates to be more than and preset
The average value of several height values of threshold value, using the average value as the second height value set.
5. the detection method of fingerprint cover board as described in claim 1, which is characterized in that described " to detect on the fingerprint cover board
Several points " include：
Array scanning sampling is carried out to the fingerprint cover board, to obtain several points；
It is the first sample rate to control to the scanning sample speed of the central area of the fingerprint cover board, is controlled to the fingerprint lid
The scanning sample speed of the fringe region of plate is the second sample rate, wherein first sample rate is adopted less than described second
Sample speed.
6. the detection method of fingerprint cover board as described in claim 1, which is characterized in that it is described " by the maximum height difference with
Pre-set interval is compared, to carry out defect dipoles to the fingerprint cover board " include：
When the maximum height difference is more than the maximum value of pre-set interval, judge that the defect is sunk for fingerprint cover board；When described
When maximum height difference is less than the minimum value of pre-set interval, judge that the defect warps for fingerprint cover board；When the maximum height difference
When in the range of pre-set interval, judge that the fingerprint cover board does not have defect.
7. a kind of detection device of fingerprint cover board, which is characterized in that the detection device of the fingerprint cover board includes：
First detecting module, for the height of the several points on the first height and position detection shell, to obtain the first height value
Set；
Second detecting module, the height for detecting the several points on the fingerprint cover board in the second height and position, to obtain
Second height value set；
Computing module, for calculating maximum height difference according to the first height value set and the second height value set；
Contrast judgement module, for the maximum height difference to be compared with pre-set interval, to be carried out to the fingerprint cover board
Defect dipoles, wherein the defect includes one kind that fingerprint cover board warps with fingerprint cover board in sagging.
8. the detection device of fingerprint cover board as claimed in claim 7, which is characterized in that when first height and position with it is described
When second height and position is equal, the maximum height difference is compared with the first sub- pre-set interval；When first height position
It sets unequal with second height and position, and is formed between first height and position and second height and position first high
When degree difference, the maximum height difference is compared with the second sub- pre-set interval, wherein the second sub- pre-set interval is described
The sum of first sub- pre-set interval and first difference in height.
9. the detection device of fingerprint cover board as claimed in claim 7, which is characterized in that on the shell several points with it is described
On point and the fingerprint cover board with one-to-one relationship between several points on fingerprint cover board, and on the shell therewith
Corresponding point is symmetrical about the contour line of the fingerprint cover board.
10. the detection device of fingerprint cover board as claimed in claim 7, which is characterized in that second detecting module includes：
Second detection submodule, the height of the several points for detecting fingerprint cover plate central region, to obtain center
The height value set in domain；
Computing module is extracted, the height value set medium wave momentum for extracting central area is more than several height of predetermined threshold value
Value, and the average value of several height values more than predetermined threshold value is calculated, using the average value as the second height value set.
11. the detection device of fingerprint cover board as claimed in claim 7, which is characterized in that second detecting module further includes：
Sampling module, for carrying out array scanning sampling to the fingerprint cover board, to obtain several points；
Control module, it is the first sample rate, control to be used to control to the scanning sample speed of the central area of the fingerprint cover board
It is the second sample rate to make to the scanning sample speed of the fringe region of the fingerprint cover board, wherein first sample rate
Less than second sample rate.
12. the detection device of fingerprint cover board as claimed in claim 7, which is characterized in that the contrast judgement module includes：
First contrast judgement submodule is used to, when the maximum height difference is more than the maximum value of pre-set interval, judge described lack
It falls into and sink for fingerprint cover board；
Second contrast judgement submodule is used to, when the maximum height difference is less than the minimum value of pre-set interval, judge described lack
It falls into and warps for fingerprint cover board；
Third contrast judgement submodule, for when the maximum height difference is in the range of pre-set interval, judging the fingerprint
Cover board does not have defect.
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