CN116245133A - FPC two-dimensional code setting method and storage medium - Google Patents
FPC two-dimensional code setting method and storage medium Download PDFInfo
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- CN116245133A CN116245133A CN202211601670.XA CN202211601670A CN116245133A CN 116245133 A CN116245133 A CN 116245133A CN 202211601670 A CN202211601670 A CN 202211601670A CN 116245133 A CN116245133 A CN 116245133A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1452—Methods for optical code recognition including a method step for retrieval of the optical code detecting bar code edges
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a two-dimensional code setting method and a storage medium of an FPC, wherein the position of a circuit to be pasted on the FPC is identified through a camera; identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted; identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located; different from the existing printing method of matching the two-dimension code with the printing paper in size, the printing method of the two-dimension code is characterized in that the printing of the two-dimension code is carried out on larger paper, so that the printing integrity of the two-dimension code is guaranteed, the two-dimension code is printed on the larger paper, the offset phenomenon is easy to occur when the two-dimension code is pasted, and meanwhile, the offset is verified through the arrangement of the auxiliary line, so that the accuracy and the integrity of the two-dimension code pasting are guaranteed.
Description
Technical Field
The invention relates to the technical field of FPC production, in particular to a two-dimension code setting method and a storage medium of an FPC.
Background
At present, most of FPC (Flexible Printed Circuit, flexible circuit board) needs to be traced by two-dimension codes, the product size is smaller and smaller (the product size is smaller than 2.5 x 2.5 mm), and the two-dimension codes are manufactured with the size smaller than or equal to 2 x 2 mm. This becomes a difficulty in various factories of FPCs, and at present, there are three operation modes in various factories:
(1) As shown in fig. 3, the two-dimensional code is printed by a character silk-screen printing process, the minimum of the two-dimensional code sprayed at present is 3 x 3mm, the minimum of the ink dots of the two-dimensional code sprayed is 0.2mm, and a two-dimensional code graph cannot be formed.
(2) The two-dimensional code is laser-etched on the product, and the laser can only be on a product waste area or a steel sheet or ink, but the two-dimensional code of the product generally needs to be arranged on a circuit, and if the two-dimensional code of the circuit is laser, the circuit is opened, so that the product is scrapped, and therefore, the scheme is not preferable.
(3) As shown in fig. 4, printing and attaching a paper two-dimension code before finished product inspection, wherein the minimum paper for printing the paper two-dimension code is 3 x 3mm at present for printer manufacturers and professional die-cutting manufacturers in the industry; and the two-dimensional codes of the paper with the size smaller than 3mm do not meet the batch proofing property, and the deviation of non-positioning occurs after printing.
Therefore, at present, there is a certain difficulty in realizing the two-dimensional code setting of the FPC.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the two-dimension code setting method and the storage medium for the FPC are provided, the two-dimension code setting of the FPC can be effectively realized under the condition of small-size FPC, and the accuracy and the effectiveness of the two-dimension code setting are ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
a two-dimensional code setting method of FPC comprises the following steps:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
In order to solve the technical problems, the invention adopts another technical scheme that:
a storage medium having stored thereon a computer program which when executed performs the steps of:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
The invention has the beneficial effects that: the two-dimensional code setting method and the storage medium of the FPC are different from the existing printing method of matching the two-dimensional code with the printing paper in size, the printing of the two-dimensional code is performed on larger paper, so that the printing integrity of the two-dimensional code is guaranteed, the two-dimensional code is printed on the larger paper, the offset phenomenon is easy to occur when the two-dimensional code is pasted, and meanwhile, the auxiliary line is arranged, so that the offset is verified, and the accuracy and the integrity of the two-dimensional code pasting are guaranteed.
Drawings
Fig. 1 is a flowchart of a two-dimensional code setting method of an FPC according to an embodiment of the present invention;
fig. 2 is a diagram illustrating an example of two-dimensional code sticking of a two-dimensional code setting method of an FPC according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating an exemplary two-dimensional code spray printing effect according to the background art of the present invention;
FIG. 4 is a diagram illustrating an exemplary printing effect of a two-dimensional code on paper according to the background of the invention;
FIG. 5 is a diagram illustrating laser engraving effect of two-dimensional codes according to the background of the invention;
fig. 6 is a diagram illustrating two-dimensional codes and auxiliary lines thereof of a two-dimensional code setting method of an FPC according to an embodiment of the present invention.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, a two-dimensional code setting method of an FPC includes the steps of:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
From the above description, the beneficial effects of the invention are as follows: the two-dimensional code setting method and the storage medium of the FPC are different from the existing printing method of matching the two-dimensional code with the printing paper in size, the printing of the two-dimensional code is performed on larger paper, so that the printing integrity of the two-dimensional code is guaranteed, the two-dimensional code is printed on the larger paper, the offset phenomenon is easy to occur when the two-dimensional code is pasted, and meanwhile, the auxiliary line is arranged, so that the offset is verified, and the accuracy and the integrity of the two-dimensional code pasting are guaranteed.
Further, the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between two adjacent two-dimensional codes.
Further, the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between every two adjacent two-dimensional codes.
According to the description, a plurality of two-bit codes are printed on one two-dimensional code paste bar at the same time, so that the printing efficiency and precision of the two-dimensional code paste bar are ensured, the space of the two-dimensional code paste bar is fully utilized, one bar of multi-line is realized during pasting, and the pasting efficiency is higher.
Further, the step S3 specifically includes:
identifying auxiliary lines of the two-dimensional codes on the line, judging whether the number of the auxiliary lines is smaller than 3, and if yes, considering that the two-dimensional code pasting of the current line has deviation;
and identifying auxiliary lines of the two-dimensional codes on the line, and judging whether each auxiliary line is parallel to the edge of the line or not, if not, judging that the offset exists in the two-dimensional code pasting of the current line.
According to the method, the number of the auxiliary lines and the parallelism degree of the auxiliary lines and the line edges can be identified, so that whether offset occurs in pasting is effectively judged, the identification is accurate, and the completeness and the effectiveness of two-dimensional code pasting are fully guaranteed.
Further, the step S1 specifically includes:
acquiring an image of the FPC through a camera, and identifying mark points in the image;
and (3) shifting according to the positions of the marking points, and carrying out edge recognition on the circuit so as to determine the positions of the circuit.
From the above description, the rough position of the circuit can be quickly obtained through the preset mark points on the FPC, and the position of the circuit to be pasted can be quickly determined through edge recognition.
A storage medium having stored thereon a computer program which when executed performs the steps of:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
From the above description, the beneficial effects of the invention are as follows: the two-dimensional code setting method and the storage medium of the FPC are different from the existing printing method of matching the two-dimensional code with the printing paper in size, the printing of the two-dimensional code is performed on larger paper, so that the printing integrity of the two-dimensional code is guaranteed, the two-dimensional code is printed on the larger paper, the offset phenomenon is easy to occur when the two-dimensional code is pasted, and meanwhile, the auxiliary line is arranged, so that the offset is verified, and the accuracy and the integrity of the two-dimensional code pasting are guaranteed.
Further, the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between two adjacent two-dimensional codes.
Further, the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between every two adjacent two-dimensional codes.
According to the description, a plurality of two-bit codes are printed on one two-dimensional code paste bar at the same time, so that the printing efficiency and precision of the two-dimensional code paste bar are ensured, the space of the two-dimensional code paste bar is fully utilized, one bar of multi-line is realized during pasting, and the pasting efficiency is higher.
Further, the step S3 specifically includes:
identifying auxiliary lines of the two-dimensional codes on the line, judging whether the number of the auxiliary lines is smaller than 3, and if yes, considering that the two-dimensional code pasting of the current line has deviation;
and identifying auxiliary lines of the two-dimensional codes on the line, and judging whether each auxiliary line is parallel to the edge of the line or not, if not, judging that the offset exists in the two-dimensional code pasting of the current line.
According to the method, the number of the auxiliary lines and the parallelism degree of the auxiliary lines and the line edges can be identified, so that whether offset occurs in pasting is effectively judged, the identification is accurate, and the completeness and the effectiveness of two-dimensional code pasting are fully guaranteed.
Further, the step S1 specifically includes:
acquiring an image of the FPC through a camera, and identifying mark points in the image;
and (3) shifting according to the positions of the marking points, and carrying out edge recognition on the circuit so as to determine the positions of the circuit.
From the above description, the rough position of the circuit can be quickly obtained through the preset mark points on the FPC, and the position of the circuit to be pasted can be quickly determined through edge recognition.
The two-dimension code setting method and the storage medium of the FPC are suitable for pasting the two-dimension code of the small-size FPC.
Referring to fig. 1, 2 and 6, a first embodiment of the present invention is as follows:
a two-dimensional code setting method of FPC comprises the following steps:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
the step S1 specifically comprises the following steps:
acquiring an image of the FPC through a camera, and identifying mark points in the image;
and (3) shifting according to the positions of the marking points, and carrying out edge recognition on the circuit so as to determine the positions of the circuit.
In this embodiment, a CCD camera is used for image acquisition. The Mark opposite points on the whole FPC are firstly identified by the camera, so that the position of a line to be attached is preliminarily determined according to a preset offset. Under the current technology, the precision of equipment laminating can reach 0.05mm.
Meanwhile, in other equivalent embodiments, the color of the line can be distinguished from the background color, so that the identification can be performed more efficiently and accurately.
S2, identifying the edge of the line, matching and aligning the two-dimensional code bar paste with the line, and controlling equipment to attach the two-dimensional code bar paste with the line to be attached.
In this embodiment, alignment matching is performed according to the line edge (etching line) and the edge of the two-dimensional code sticking strip, so as to control equipment sticking.
The circuit of the FPC is often in a case of multiple parallel, so in this embodiment, multiple two-dimensional codes are printed on one two-dimensional code paste bar. According to the direction of actual pasting, the two-dimensional codes can be arranged in rows or columns, and a plurality of rows/columns of two-dimensional codes can be arranged in a two-dimensional code paste bar.
Therefore, the two-dimensional code sticking strip can be produced in a coiled mode, and is cut according to actual needs.
In addition, the bar-shaped two-dimensional codes after bonding can be segmented according to gaps among the lines, or the two-dimensional code sticking bars at the gaps can be pressed down during bonding. An example of a post-lamination may be seen in fig. 2.
S3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the step S3 specifically comprises the following steps:
identifying auxiliary lines of the two-dimensional codes on the line, judging whether the number of the auxiliary lines is smaller than 3, and if yes, considering that the two-dimensional code pasting of the current line has deviation;
and identifying auxiliary lines of the two-dimensional codes on the line, and judging whether each auxiliary line is parallel to the edge of the line or not, if not, judging that the offset exists in the two-dimensional code pasting of the current line.
In this embodiment, after the two-dimensional code strip is attached, there may be a deviation problem. Especially, under the condition of over-segmentation of the two-bit code, the two-dimensional code is possibly damaged due to incomplete two-dimensional code. Therefore, the invention sets the auxiliary line of the two-dimension code.
As shown in fig. 6, the auxiliary line of the two-dimensional code is parallel to two opposite edges of the two-dimensional code and is located on the extension line of the edges. And after the two-dimensional code sticking strip is stuck, identifying the auxiliary line of the two-dimensional code. For each two-dimensional code, judging whether four auxiliary lines can be identified, if at least one auxiliary line is not identified, indicating that the two-dimensional code is stuck with offset or incomplete two-dimensional code is caused, and re-sticking is needed. Meanwhile, whether the auxiliary line is parallel to the line edge (within a preset deviation range) or not is judged, and whether the two-dimensional code is attached in a deviation standard is judged in the same time.
Under the scene that a single two-dimensional code sticking strip is used for sticking a plurality of closely-parallel lines at one time, if one two-dimensional code is recognized to deviate, the whole two-dimensional code sticking strip is re-stuck.
The two-dimensional code strip paste is larger than 3 x 3mm in size, and the two-dimensional code strip paste is smaller than 3 x 3mm in size.
The second embodiment of the invention is as follows:
a storage medium having stored thereon a computer program which, when executed, implements the steps in a two-dimensional code setting method of an FPC of the above embodiment one.
In summary, the two-dimensional code setting method and the storage medium of the FPC provided by the invention are different from the existing printing method of matching the two-dimensional code with the printing paper in size, the printing of the two-dimensional code is completed by printing the two-dimensional code on larger paper, the offset phenomenon is easily caused when the two-dimensional code is pasted by printing the two-dimensional code on the larger paper, and the offset is verified by setting the auxiliary line, so that the accuracy and the integrity of the two-dimensional code pasting are ensured.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (10)
1. The two-dimensional code setting method of the FPC is characterized by comprising the following steps of:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
2. The method for setting the two-dimensional code of the FPC according to claim 1, wherein the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between every two adjacent two-dimensional codes.
3. The method for setting the two-dimensional code of the FPC according to claim 1, wherein the two-dimensional code strip is attached with at least one row of two-dimensional codes, each row at least comprises two-dimensional codes, and a space is arranged between every two adjacent two-dimensional codes.
4. The two-dimensional code setting method of the FPC according to claim 1, wherein the step S3 specifically includes:
identifying auxiliary lines of the two-dimensional codes on the line, judging whether the number of the auxiliary lines is smaller than 3, and if yes, considering that the two-dimensional code pasting of the current line has deviation;
and identifying auxiliary lines of the two-dimensional codes on the line, and judging whether each auxiliary line is parallel to the edge of the line or not, if not, judging that the offset exists in the two-dimensional code pasting of the current line.
5. The method for setting the two-dimensional code of the FPC according to claim 1, wherein the step S1 specifically comprises:
acquiring an image of the FPC through a camera, and identifying mark points in the image;
and (3) shifting according to the positions of the marking points, and carrying out edge recognition on the circuit so as to determine the positions of the circuit.
6. A storage medium having a computer program stored thereon, the computer program when executed performing the steps of:
s1, identifying the position of a circuit to be pasted on an FPC through a camera;
s2, identifying the edge of a circuit, matching and aligning the two-dimensional code bar paste with the circuit, and controlling equipment to paste the two-dimensional code bar paste with the circuit to be pasted;
s3, identifying auxiliary lines of each two-dimensional code in the two-dimensional code strip, and judging whether deviation exists according to the number of the auxiliary lines identified by each two-dimensional code and the relation between the auxiliary lines and the edges of the lines where the two-dimensional codes are located;
the two-dimensional code strip paste is larger than 3 x 3mm in size, the two-dimensional code is smaller than 3 x 3mm in size, and the auxiliary line is located on an extension line of two opposite edges of the two-dimensional code.
7. The storage medium of claim 6, wherein the two-dimensional bar is attached with two-dimensional codes in at least one row, each row at least comprises two-dimensional codes, and a space is arranged between two adjacent two-dimensional codes.
8. The storage medium of claim 6, wherein the two-dimensional bar is attached with at least one column of two-dimensional codes, each column comprises at least two-dimensional codes, and a space is arranged between two adjacent two-dimensional codes.
9. A storage medium according to claim 6, wherein said step S3 is specifically:
identifying auxiliary lines of the two-dimensional codes on the line, judging whether the number of the auxiliary lines is smaller than 3, and if yes, considering that the two-dimensional code pasting of the current line has deviation;
and identifying auxiliary lines of the two-dimensional codes on the line, and judging whether each auxiliary line is parallel to the edge of the line or not, if not, judging that the offset exists in the two-dimensional code pasting of the current line.
10. A storage medium according to claim 6, wherein said step S1 is specifically:
acquiring an image of the FPC through a camera, and identifying mark points in the image;
and (3) shifting according to the positions of the marking points, and carrying out edge recognition on the circuit so as to determine the positions of the circuit.
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| CN202211601670.XA CN116245133A (en) | 2022-12-13 | 2022-12-13 | FPC two-dimensional code setting method and storage medium |
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| CN202211601670.XA CN116245133A (en) | 2022-12-13 | 2022-12-13 | FPC two-dimensional code setting method and storage medium |
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