CN108362707B - Method and equipment for testing mobile phone toughened arc mask - Google Patents
Method and equipment for testing mobile phone toughened arc mask Download PDFInfo
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- CN108362707B CN108362707B CN201810162034.9A CN201810162034A CN108362707B CN 108362707 B CN108362707 B CN 108362707B CN 201810162034 A CN201810162034 A CN 201810162034A CN 108362707 B CN108362707 B CN 108362707B
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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
Abstract
The invention discloses an impurity inspection method of a mobile phone arc mask and a related product, wherein the method comprises the following steps: blowing air to the cambered surface toughened film to remove surface impurities; and vertically transmitting the preset first square chart through the cambered surface toughened film to obtain a second square chart, shooting the second square chart to obtain a first picture, and analyzing the first picture to determine whether the cambered surface toughened film is qualified. The technical scheme provided by the invention has the advantages of high precision and low cost.
Description
Technical Field
The invention relates to the field of mobile phone accessories, in particular to a method and equipment for inspecting a mobile phone arc mask.
Background
The mobile phone is the most commonly used electronic device in daily life, for the development of the mobile phone, the mobile phone is developed from a simulation mobile phone to a digital mobile phone, the mobile phone is developed from a function machine to an intelligent machine, for the intelligent machine, the mobile phone is also developed from a plane touch display screen to an arc surface touch display screen, the protection of the arc surface touch display screen needs to be protected by an arc surface toughened film, the main part of the toughened film is the arc surface glass, the existing detection of the arc surface glass is detected according to naked eyes of people, and the detection cost is high, the efficiency is low, and the detection accuracy is unstable.
Disclosure of Invention
The application provides an impurity inspection method of a mobile phone arc mask. The detection precision of the cambered surface die can be effectively improved, and the detection efficiency is improved through automatic detection.
In a first aspect, a method for inspecting impurities of a mobile phone arc mask is provided, which comprises the following steps:
blowing air to the cambered surface toughened film to remove surface impurities;
the preset first grid pattern is vertically transmitted through the cambered surface toughened film to obtain a second grid pattern,
and shooting the second grid chart to obtain a first picture, and analyzing the first picture to determine whether the cambered surface toughened film is qualified.
In a second aspect, a mobile phone film cambered surface detection machine is provided, which comprises:
the blowing component is used for blowing the cambered surface toughened film to remove surface impurities;
the projecting component is used for vertically transmitting the preset first grid pattern through the cambered surface toughened film to obtain a second grid pattern,
shooting means for shooting the second histogram to obtain a first picture;
the processing component is used for analyzing the first picture to determine whether the cambered surface toughened film is qualified or not;
the first histogram has a plurality of squares.
In a third aspect, a computer-readable storage medium is provided, storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method of the first aspect.
In a fourth aspect, a computer-readable storage medium is provided, which stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method provided in the first aspect.
The method provided by the invention can automatically detect the impurities of the cambered surface glass toughened film, improves the detection precision and speed, and has the advantages of reducing the cost and improving the production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a mobile phone arc mask according to a first preferred embodiment of the present invention;
fig. 2 is a flowchart of an impurity inspection method of a mobile phone arc mask provided by the invention.
Fig. 3 is a structural diagram of a grid diagram provided by the present invention.
Fig. 4 is a hardware structure diagram of a mobile phone film arc detector according to a second preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The device in the present application may comprise: the present invention relates to a Mobile terminal, a smart Phone (e.g., an Android Phone, an iOS Phone, a Windows Phone, etc.), a tablet computer, a palmtop computer, a notebook computer, a Mobile Internet device (MID, Mobile Internet Devices), or a wearable device, and the above Devices are merely examples, but not exhaustive, and include but are not limited to the above Devices, and for convenience of description, the above Devices are referred to as User Equipment (UE) in the following embodiments. Of course, in practical applications, the user equipment is not limited to the above presentation form, and may also include: computer devices, and the like.
In a method provided in a first aspect, the first histogram has a plurality of squares.
In the method provided in the first aspect, the analyzing the first picture to determine whether the cambered surface tempered film is qualified includes:
and analyzing the first picture to determine the gray value of each pixel point in each square, if the gray value is multiple, obtaining multiple numbers corresponding to the multiple gray values, if the multiple numbers are respectively compared with the preset number, determining whether at least two numbers in the multiple numbers are larger than the preset number, if the at least two numbers in the multiple numbers are larger than the preset number, determining that the first square has impurities, and determining that the cambered surface tempering film is unqualified.
In the method provided in the first aspect, the analyzing the first picture to determine whether the cambered surface tempered film is qualified includes:
and if the number of the gray values in each square of the first picture is one, determining that the cambered surface toughened film is qualified.
In the method provided by the first aspect, if the cambered toughened film is determined to be unqualified, the method further comprises the following steps:
and vertically transmitting a preset third square through the cambered surface toughened film to obtain a fourth square, wherein the third square has the same size as the first square but different color, shooting the fourth square to obtain a second picture, extracting a second square corresponding to the first square from the second picture, and obtaining a gray value of the second square.
In a second aspect, the processing component is specifically configured to analyze the first picture to determine a gray value of each pixel point in each square, obtain a plurality of quantities corresponding to the plurality of gray values if the gray values are multiple, determine whether at least two quantities in the plurality of quantities are greater than a preset quantity if the plurality of quantities are respectively compared with the preset quantity, determine that the first square has impurities if the at least two quantities in the plurality of quantities are greater than the preset quantity, and determine that the tempered arc film is unqualified.
In the mobile phone cambered surface film detection machine provided in the second aspect, the processing component is specifically configured to determine that the cambered surface tempered film is qualified if the number of the gray values in each square of the first picture is one.
In the mobile phone film arc detector provided in the second aspect, the processing component is further configured to, if it is determined that the film arc is not qualified, vertically transmit a preset third square through the film arc, to obtain a fourth square, where the third square has the same size as the first square but a different color, shoot the fourth square to obtain a second picture, extract a second square corresponding to the first square from the second picture, and obtain a gray value of the second square, where, if the second square has at least two gray values whose number is greater than a preset number, the film arc is determined to be not qualified, and if the gray value of the second square is only one gray value, the film arc is determined to be qualified.
Referring to fig. 1, a schematic structural diagram of a mobile phone arc mask is shown in fig. 1, the mobile phone arc mask sequentially includes, from top to bottom: the device comprises cambered surface toughened glass 1, a cambered surface explosion-proof membrane 2, a glue layer 3 and a cambered surface binding plate 4; for the mobile phone arc film, the main detection lies in whether cambered surface toughened film glass is qualified, and is mainly two aspects to cambered surface toughened film glass, and on the one hand, whether cambered surface toughened film glass's thickness accords with the standard, and on the other hand, whether cambered surface toughened film glass has impurity. In order to solve the problems, the application provides a detection method of a mobile phone tempered arc mask.
Referring to fig. 2, fig. 2 provides a method for inspecting impurities in a mobile phone arc mask, as shown in fig. 2, the method includes the following steps:
step S201, conducting blowing treatment on the arc surface toughened film to remove surface impurities;
step S202, vertically transmitting a preset first grid pattern through the cambered surface toughened film to obtain a second grid pattern,
and S203, shooting the second histogram to obtain a first picture, and analyzing the first picture to determine whether the cambered surface toughened film is qualified.
In the embodiment shown in fig. 2, the inspection method obtains a second square chart by transmitting a preset first square chart to the cambered surface tempered film, then shoots the second square chart to obtain a first picture, and analyzes the first picture to determine whether the cambered surface tempered film is qualified.
The first square diagram is shown in fig. 3, and as shown in fig. 3, the first square diagram has a plurality of squares, the color of light of each square is consistent, and the color of adjacent squares may not be consistent.
The specific implementation method of step S203 may be:
and analyzing the first picture to determine the gray value of each pixel point in each square, if the gray value is multiple, obtaining multiple numbers corresponding to the multiple gray values, if the multiple numbers are respectively compared with the preset number, determining whether at least two numbers in the multiple numbers are larger than the preset number, if the at least two numbers in the multiple numbers are larger than the preset number, determining that the first square has impurities, and determining that the cambered surface tempering film is unqualified.
And if the number of the gray values in each square of the first picture is one, determining that the cambered surface toughened film is qualified.
The specific principle thereof is explained below.
For cambered surface toughened glass film, the position that its impurity is located most can have three positions, the upper surface, lower surface and intermediate position promptly, to the upper surface, the lower surface can be handled impurity through the mode of handling of blowing, to the intermediate position, be located the impurity of cambered surface toughened glass's inside promptly, it is not any influence to impurity through the processing of blowing, it needs to abandon to this kind of cambered surface toughened glass, because the effect of internal impurity to cambered surface toughened glass film is very poor, for example can find the refraction of light, can influence touch sensitivity, in addition, cambered surface toughened glass film with impurity also can very easily damage.
The applicant finds through experiments that the impurities in the cambered tempered glass are generally non-transparent impurities, and in order to detect whether the cambered tempered glass has the impurities, the applicant adopts the principle of reflection of light rays, namely, vertically transmitting a square graph, and for the cambered tempered glass, the cambered tempered glass is high-transparency glass, if the cambered tempered glass has no impurities, the light rays of the color can be transmitted through the cambered tempered glass film and have corresponding color representation in the second square graph, and for the places with the impurities, because the impurities are non-transparent, the light rays of the transmitted first square graph can be reflected back, and then the positions corresponding to the impurities in the second square graph cannot have corresponding color representation. Thereby realizing rapid detection.
In order to avoid having an error in one transmission, the method may further include:
if the cambered surface toughened film is determined to be unqualified, the following operations are carried out:
and vertically transmitting a preset third square through the cambered surface toughened film to obtain a fourth square, wherein the third square has the same size as the first square but different color, shooting the fourth square to obtain a second picture, extracting a second square corresponding to the first square from the second picture, and obtaining a gray value of the second square.
The principle is that for the cambered surface toughened film, impurities in the cambered surface toughened film cannot change, after the color of the cambered surface toughened film is changed, the size of the cambered surface toughened film is unchanged, the corresponding square still has a plurality of gray values, at least two gray values are larger than a set number, and whether the first detection is misjudgment can be determined by changing the color.
Referring to fig. 4, fig. 4 provides a mobile phone arc film detection machine, which includes:
the blowing component 401 is used for blowing the cambered surface toughened film to remove surface impurities;
a projecting component 402, which is used for vertically transmitting the preset first grid pattern through the cambered surface toughened film to obtain a second grid pattern,
a shooting part 403 for shooting the second histogram to obtain a first picture;
the processing component 404 is configured to analyze the first picture to determine whether the cambered surface tempered film is qualified;
the first histogram has a plurality of squares.
It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The content downloading method, the related device and the system provided by the embodiment of the present invention are described in detail above, and a specific example is applied in the text to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The impurity inspection method of the mobile phone arc mask is characterized by comprising the following steps:
blowing air to the cambered surface toughened film to remove surface impurities;
the preset first grid pattern is vertically transmitted through the cambered surface toughened film to obtain a second grid pattern,
shooting a second grid chart to obtain a first picture, and analyzing the first picture to determine whether the cambered surface toughened film is qualified or not;
the first histogram has a plurality of squares; the analysis of the first picture is carried out to determine whether the cambered surface toughened film is qualified or not, and the method comprises the following steps:
and analyzing the first picture to determine the gray value of each pixel point in each square, if the gray value is multiple, obtaining multiple numbers corresponding to the multiple gray values, if the multiple numbers are respectively compared with the preset number, determining whether at least two numbers in the multiple numbers are larger than the preset number, if the at least two numbers in the multiple numbers are larger than the preset number, determining that the square has impurities, and determining that the cambered surface toughened film is unqualified.
2. The method of claim 1, wherein analyzing the first picture to determine whether the cambered surface tempered film is acceptable comprises:
and if the number of the gray values in each square of the first picture is one, determining that the cambered surface toughened film is qualified.
3. The method of claim 1, wherein if the cambered surface tempered film is determined to be unacceptable, the method further comprises:
and vertically transmitting a preset third square through the cambered surface toughened film to obtain a fourth square, wherein the third square has the same size as the first square but different color, shooting the fourth square to obtain a second picture, extracting a second square corresponding to the first square from the second picture, and obtaining a gray value of the second square.
4. The utility model provides a cell-phone cambered surface membrane detects machine which characterized in that, cell-phone cambered surface membrane detects machine includes:
the blowing component is used for blowing the cambered surface toughened film to remove surface impurities;
the projecting component is used for vertically transmitting the preset first grid pattern through the cambered surface toughened film to obtain a second grid pattern,
shooting means for shooting the second histogram to obtain a first picture;
the processing component is used for analyzing the first picture to determine whether the cambered surface toughened film is qualified or not;
the first histogram has a plurality of squares;
the processing component is specifically configured to analyze the first picture to determine a gray value of each pixel point in each square, obtain a plurality of quantities corresponding to the plurality of gray values if the gray values are multiple, determine whether at least two quantities among the plurality of quantities are greater than a preset quantity if the plurality of quantities are respectively compared with the preset quantity, determine that the square has impurities if the at least two quantities are greater than the preset quantity, and determine that the cambered surface tempered film is unqualified.
5. The phone film cambered surface detector of claim 4,
the processing component is specifically used for determining that the cambered surface toughened film is qualified if the number of the gray values in each square of the first picture is one.
6. The phone film cambered surface detector of claim 4,
the processing component is further configured to, if it is determined that the cambered surface tempered film is not qualified, vertically transmit a preset third grid pattern through the cambered surface tempered film to obtain a fourth grid pattern, where the third grid pattern is the same as the first grid pattern in size but different in color, take the fourth grid pattern to obtain a second picture, extract a second square corresponding to the first square from the second picture, and obtain a gray value of the second square, and if the second square has at least two gray values of which the number is greater than the preset number, determine that the cambered surface tempered film is not qualified, and if the gray value of the second square is only one gray value, determine that the cambered surface tempered film is qualified.
7. A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 1-3.
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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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| 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 true CN108362707B (en) | 2020-12-11 |
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| CN117309891B (en) * | 2023-11-29 | 2024-02-06 | 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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