CN108362707A - The method of inspection and equipment of mobile phone tempering cambered surface film - Google Patents
The method of inspection and equipment of mobile phone tempering cambered surface film Download PDFInfo
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- CN108362707A CN108362707A CN201810162034.9A CN201810162034A CN108362707A CN 108362707 A CN108362707 A CN 108362707A CN 201810162034 A CN201810162034 A CN 201810162034A CN 108362707 A CN108362707 A CN 108362707A
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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
- G01N21/94—Investigating contamination, e.g. dust
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The invention discloses a kind of foreign impurity matters test method of mobile phone cambered surface film and Related products, and described method includes following steps：Processing is blowed to cambered surface tempering film and removes surface impurity；Preset first party trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains second party trrellis diagram, shooting second party trrellis diagram obtains the first picture, and carrying out analysis to the first picture determines whether the cambered surface tempering film is qualified.Technical solution provided by the invention has the advantages that precision is high, at low cost.
Description
Technical field
The present invention relates to mobile phone accessories field more particularly to a kind of methods of inspection and equipment of mobile phone cambered surface film.
Background technology
Mobile phone is most common electronic equipment in people's daily life, and the development for mobile phone is developed to from analogue mobile phone
Digital mobile phone develops to intelligent machine from function machine, for intelligent machine, also develops to cambered surface touch-control from plane touching display screen and shows
Screen, needs to protect by cambered surface tempering film, exist for the main part of tempering film for the protection of cambered surface touching display screen
It is detected according to human eye in the detection of globoidal glass, existing globoidal glass, testing cost is high, efficiency is low and detects
Accuracy is unstable.
Invention content
The application provides a kind of foreign impurity matters test method of mobile phone cambered surface film.The detection essence of globoidal model can effectively be improved
Degree, automatic detection improve detection efficiency.
In a first aspect, providing a kind of foreign impurity matters test method of mobile phone cambered surface film, described method includes following steps：
Processing is blowed to cambered surface tempering film and removes surface impurity；
Preset first party trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains second party trrellis diagram,
Shooting second party trrellis diagram obtains the first picture, and carrying out analysis to the first picture determines whether the cambered surface tempering film closes
Lattice.
Second aspect, provides a kind of mobile phone cambered surface film detection machine, and the mobile phone cambered surface film detection machine includes：
Blowing component removes surface impurity for processing to be blowed to cambered surface tempering film；
Component is projected, for preset first party trrellis diagram normal transmission to be crossed cambered surface tempering film, obtains second party trrellis diagram,
Component is shot, the first picture is obtained for shooting second party trrellis diagram；
Processing component determines whether the cambered surface tempering film is qualified for carrying out analysis to the first picture；
The first party trrellis diagram has multiple squares.
The third aspect provides a kind of computer readable storage medium, computer journey of the storage for electronic data interchange
Sequence, wherein the computer program makes computer execute the method described in first aspect.
Fourth aspect provides a kind of computer readable storage medium, computer journey of the storage for electronic data interchange
Sequence, wherein the computer program makes computer execute the method that first aspect provides.
Method provided by the invention can detect globoidal glass tempering film impurity automatically, improve the precision and speed of detection
The advantages of degree, having reduces cost, raising production efficiency.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, 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 structural schematic diagram for the mobile phone cambered surface film that the first better embodiment of the invention provides；
Fig. 2 is a kind of flow chart of the foreign impurity matters test method of mobile phone cambered surface film provided by the invention.
Fig. 3 is a kind of structure chart of grid figure provided by the invention.
Fig. 4 is a kind of hardware structure diagram for mobile phone cambered surface film detection machine that the second better embodiment of the invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " in the description and claims of this application and the attached drawing and "
Four " etc. be for distinguishing different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but further include the steps that optionally not listing or list
Member, or further include optionally for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Equipment in the application may include：Intelligent vehicle mounted terminal, smart mobile phone (such as Android phone, iOS mobile phones,
Windows Phone mobile phones etc.), tablet computer, palm PC, laptop, mobile internet device (MID, Mobile
Internet Devices) or Wearable etc., above equipment is only citing, and non exhaustive, is set including but not limited to above-mentioned
It is standby, for convenience of description, above equipment is known as user equipment (User equipment, UE) in following example.Certainly
In practical applications, above-mentioned user equipment is also not necessarily limited to above-mentioned realization form, such as can also include：Computer equipment etc..
In the method that first aspect provides, the first party trrellis diagram has multiple squares.
First aspect provide method, it is described to the first picture carry out analysis determine the cambered surface tempering film it is whether qualified,
Including：
The gray value that each pixel that analysis determines in each square is carried out to the first picture, if gray value is more
It is a, the corresponding multiple quantity of multiple gray values are obtained, such as multiple quantity are compared with preset quantity respectively determines multiple quantity
In whether there are at least two quantity to be more than preset quantity, as having in multiple quantity at least, two quantity are more than preset quantity,
It determines that first square has impurity, determines that the cambered surface tempering film is unqualified.
First aspect provide method, it is described to the first picture carry out analysis determine the cambered surface tempering film it is whether qualified,
Including：
If the number of gray values in each of first picture square is one, determine that the cambered surface tempering film is qualified.
In the method that first aspect provides, such as determine that the cambered surface tempering film is unqualified, the method further includes：
Preset third party's trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains the cubic trrellis diagram, third party's trrellis diagram with
The size of first party trrellis diagram is identical but color is different, and the cubic trrellis diagram of shooting obtains second picture, and extraction should from second picture
Corresponding second square of first pros' shaped position, obtains the gray value of second square, such as the second square is at least
Two quantity are more than the gray value of preset quantity, determine that the cambered surface tempering film is unqualified, such as the gray value of second square
There are one gray value, determine that the cambered surface tempering film is qualified.
In the mobile phone cambered surface film detection machine that second aspect provides, the processing component is specifically used for carrying out the first picture
Analysis determines the gray value of each pixel in each square, and if gray value is multiple, it is corresponding to obtain multiple gray values
Multiple quantity determine in multiple quantity whether have at least two quantity big as multiple quantity are compared with preset quantity respectively
In preset quantity, as having in multiple quantity at least, two quantity are more than preset quantity, determine that first square has impurity,
Determine that the cambered surface tempering film is unqualified.
In the mobile phone cambered surface film detection machine that second aspect provides, the processing component is specifically used for the every of such as the first picture
Number of gray values in a square is one, determines that the cambered surface tempering film is qualified.
In the mobile phone cambered surface film detection machine that second aspect provides, the processing component is additionally operable to as determined the cambered surface tempering
Film is unqualified, and preset third party's trrellis diagram normal transmission is crossed cambered surface tempering film, obtains the cubic trrellis diagram, third party's trrellis diagram with
The size of first party trrellis diagram is identical but color is different, and the cubic trrellis diagram of shooting obtains second picture, and extraction should from second picture
Corresponding second square of first pros' shaped position, obtains the gray value of second square, such as the second square is at least
Two quantity are more than the gray value of preset quantity, determine that the cambered surface tempering film is unqualified, such as the gray value of second square
There are one gray value, determine that the cambered surface tempering film is qualified.
It is the structural schematic diagram of mobile phone cambered surface film refering to fig. 1, as shown in Figure 1, the Mobile phone film facial mask wraps successively from top to bottom
It includes：Cambered surface tempered glass 1, cambered surface rupture pressure disc 2, glue layer 3 and cambered surface jointing plate 4；For mobile phone cambered surface film, main inspection
Survey is whether cambered surface tempering film glass is qualified, is mainly two aspects for cambered surface tempering film glass, in a first aspect, cambered surface steel
Whether the thickness for changing film glass complies with standard, second aspect, and whether cambered surface tempering film glass has impurity.It is asked to solve these
Topic, the application provide a kind of detection method of mobile phone tempering cambered surface film.
Referring to Fig.2, Fig. 2 provides a kind of foreign impurity matters test method of mobile phone cambered surface film, as shown in Fig. 2, including the following steps：
Step S201, processing is blowed to cambered surface tempering film and removes surface impurity；
Step S202, preset first party trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains second party trrellis diagram,
Step S203, shooting second party trrellis diagram obtains the first picture, and carrying out analysis to the first picture determines the cambered surface tempering
Whether film is qualified.
The method of inspection in embodiment as shown in Figure 2 obtains cambered surface tempering film by transmiting preset first party trrellis diagram
Then second party trrellis diagram shoots second party trrellis diagram to obtain the first picture, the cambered surface steel can be determined to the first picture analyzing
Whether qualified change film.
Above-mentioned first party trrellis diagram is as shown in figure 3, as shown in figure 3, its first party trrellis diagram has multiple squares, each pros
The light color of shape is consistent, and the color of adjacent square can be inconsistent.
The concrete implementation method of above-mentioned steps S203 can be：
The gray value that each pixel that analysis determines in each square is carried out to the first picture, if gray value is more
It is a, the corresponding multiple quantity of multiple gray values are obtained, such as multiple quantity are compared with preset quantity respectively determines multiple quantity
In whether there are at least two quantity to be more than preset quantity, as having in multiple quantity at least, two quantity are more than preset quantity,
It determines that first square has impurity, determines that the cambered surface tempering film is unqualified.
If the number of gray values in each of first picture square is one, determine that the cambered surface tempering film is qualified.
Explained later once its specific principle.
For cambered surface tempering film, position where impurity can largely have three positions, i.e., upper surface, lower surface and
Impurity can handle upper surface, lower surface, for interposition by centre position by way of drying and handling
It sets, that is, is located at the impurity of the inside of cambered surface tempered glass, be not no any influence to impurity by drying processing, for such
Cambered surface tempered glass needs abandon, because internal impurity is excessively poor to the effect of cambered surface tempered glass film, such as can find
The refraction of light can influence touch-control sensitivity, in addition, the cambered surface tempered glass film with impurity can also be very easy to damage.
The applicant is found through experiments that the impurity of the inside of cambered surface tempered glass is generally nontransparent impurity, then
In order to detect whether the cambered surface tempered glass has impurity, the application is using the principle of the reflection of light, i.e. normal transmission one
Grid figure is the glass of the high grade of transparency for cambered surface tempered glass, if it does not have impurity, the light of this color can be saturating
It penetrated the cambered surface tempered glass film and was presented with corresponding color in second party trrellis diagram, and for there is the place of impurity, due to
Impurity is nontransparent, and the light of the first party trrellis diagram of transmission will reflect back, then the impurity pair in second party trrellis diagram
The position answered will not have the color of response to present, based on the principle that, which is detected by the applicant
Determine that the gray value can know it with whether with impurity.To realize quickly detection.
In order to avoid once transmiting with error, this method can also include：
As determined, the cambered surface tempering film is unqualified, proceeds as follows：
Preset third party's trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains the cubic trrellis diagram, third party's trrellis diagram with
The size of first party trrellis diagram is identical but color is different, and the cubic trrellis diagram of shooting obtains second picture, and extraction should from second picture
Corresponding second square of first pros' shaped position, obtains the gray value of second square, such as the second square is at least
Two quantity are more than the gray value of preset quantity, determine that the cambered surface tempering film is unqualified, such as the gray value of second square
There are one gray value, determine that the cambered surface tempering film is qualified.
Above-mentioned principle is, for cambered surface tempering film, will not change in internal impurity, then its color change with
Afterwards, size constancy, corresponding square or restoring are more than setting quantity in multiple gray values, and at least two quantity,
It can determine that first time detects whether as erroneous judgement by changing color.
A kind of mobile phone cambered surface film detection machine is provided refering to Fig. 4, Fig. 4, the mobile phone cambered surface film detection machine includes：
Blowing component 401 removes surface impurity for processing to be blowed to cambered surface tempering film；
Projection component 402 obtains the second grid for preset first party trrellis diagram normal transmission to be crossed cambered surface tempering film
Figure,
Component 403 is shot, the first picture is obtained for shooting second party trrellis diagram；
Processing component 404 determines whether the cambered surface tempering film is qualified for carrying out analysis to the first picture；
The first party trrellis diagram has multiple squares.
It should be noted that for each embodiment of the method above-mentioned, for simple description, therefore it is all expressed as to a system
The combination of actions of row, but those skilled in the art should understand that, the present invention is not limited by the described action sequence, because
For according to the present invention, certain some step can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, involved action and module not necessarily this hair
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, may refer to the associated description of other embodiment.
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 storage medium, storage
Medium may include：Flash disk, read-only memory (English：Read-Only Memory, referred to as：ROM), random access device (English
Text：Random Access Memory, referred to as：RAM), disk or CD etc..
It is provided for the embodiments of the invention content download method above and relevant device, system are described in detail,
Principle and implementation of the present invention are described for specific case used herein, and the explanation of above example is only used
In facilitating the understanding of the method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (10)
1. a kind of foreign impurity matters test method of mobile phone cambered surface film, which is characterized in that described method includes following steps：
Processing is blowed to cambered surface tempering film and removes surface impurity；
Preset first party trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains second party trrellis diagram,
Shooting second party trrellis diagram obtains the first picture, and carrying out analysis to the first picture determines whether the cambered surface tempering film is qualified.
2. according to the method described in claim 1, it is characterized in that,
The first party trrellis diagram has multiple squares.
3. according to the method described in claim 2, it is characterized in that, described carry out the determining cambered surface tempering of analysis to the first picture
Whether film is qualified, including：
The gray value that each pixel that analysis determines in each square is carried out to the first picture is obtained if gray value is multiple
Take the corresponding multiple quantity of multiple gray values, as multiple quantity be compared respectively with preset quantity determine in multiple quantity whether
It is more than preset quantity at least two quantity, two quantity are more than preset quantity as having in multiple quantity at least, and determining should
First square has impurity, determines that the cambered surface tempering film is unqualified.
4. according to the method described in claim 2, it is characterized in that, described carry out the determining cambered surface tempering of analysis to the first picture
Whether film is qualified, including：
If the number of gray values in each of first picture square is one, determine that the cambered surface tempering film is qualified.
5. according to the method described in claim 3, it is characterized in that, the cambered surface tempering film is unqualified as determined, the method is also
Including：
Preset third party's trrellis diagram normal transmission is crossed into cambered surface tempering film, obtains cubic trrellis diagram, third party's trrellis diagram and first
The size of grid figure is identical but color is different, and the cubic trrellis diagram of shooting the obtains second picture, extracted from second picture this first
Corresponding second square of square shaped position, obtains the gray value of second square, and such as the second square has at least two
Quantity is more than the gray value of preset quantity, determines that the cambered surface tempering film is unqualified, as the gray value of second square only has one
A gray value determines that the cambered surface tempering film is qualified.
6. a kind of mobile phone cambered surface film detection machine, which is characterized in that the mobile phone cambered surface film detection machine includes：
Blowing component removes surface impurity for processing to be blowed to cambered surface tempering film；
Component is projected, for preset first party trrellis diagram normal transmission to be crossed cambered surface tempering film, obtains second party trrellis diagram,
Component is shot, the first picture is obtained for shooting second party trrellis diagram；
Processing component determines whether the cambered surface tempering film is qualified for carrying out analysis to the first picture；
The first party trrellis diagram has multiple squares.
7. mobile phone cambered surface film detection machine according to claim 6, which is characterized in that
The processing component, specifically for carrying out the gray scale for each pixel that analysis determines in each square to the first picture
Value obtains the corresponding multiple quantity of multiple gray values if gray value is multiple, and such as multiple quantity are compared with preset quantity respectively
To whether having at least two quantity to be more than preset quantity in the multiple quantity of determination, there are at least two quantity in such as multiple quantity
More than preset quantity, determines that first square has impurity, determine that the cambered surface tempering film is unqualified.
8. mobile phone cambered surface film detection machine according to claim 6, which is characterized in that
The processing component is one specifically for the number of gray values in each of such as first picture square, and determining should
Cambered surface tempering film is qualified.
9. mobile phone cambered surface film detection machine according to claim 7, which is characterized in that
The processing component, be additionally operable to as determine the cambered surface tempering film it is unqualified, by preset third party's trrellis diagram normal transmission mistake
Cambered surface tempering film obtains the cubic trrellis diagram, and third party's trrellis diagram is identical from the size of first party trrellis diagram but color is different, shoots the
Cubic trrellis diagram obtains second picture, corresponding second square of the first pros shaped position is extracted from second picture, obtaining should
There are at least two quantity to be more than the gray value of preset quantity for the gray value of second square, such as the second square, determine the arc
Face tempering film is unqualified, if the gray value of second square is only there are one gray value, determines that the cambered surface tempering film is qualified.
10. a kind of computer readable storage medium, which is characterized in that it stores the computer program for electronic data interchange,
Wherein, the computer program makes computer execute method as described in any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810162034.9A CN108362707B (en) | 2018-02-27 | 2018-02-27 | Method and equipment for testing mobile phone toughened arc mask |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162034.9A CN108362707B (en) | 2018-02-27 | 2018-02-27 | Method and equipment for testing mobile phone toughened arc mask |
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| CN108362707B CN108362707B (en) | 2020-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309891A (en) * | 2023-11-29 | 2023-12-29 | 深圳市润博电子有限公司 | Intelligent feedback mechanism-based glass tempering film detection method and system |
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