CN113516211B - Method for associating two-dimension codes in cigarette production - Google Patents
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Abstract
The invention discloses a method for associating two-dimension codes in cigarette production, which comprises the steps of naming and storing two-dimension code images of a small package and a large package by a unique identifier, storing the corresponding relation between the identifiers of the large package and the small package on a production line in real time, then decoding off line, restoring the decoded two-dimension code information into association of the two-dimension code information by the associated identifier, and correctly associating the two-dimension code information of the large package and the two-dimension code information of the small package according to the association relation between the large package and the small package, so that the requirements of application of association and traceability of the two-dimension code information can be met. In the middle, the positioning code can also be adopted to improve the fault tolerance rate. The decoding algorithm is not limited by time, the real-time requirement on decoding is reduced, more effective decoding algorithm can be adopted, and the decoding rate is greatly improved.
Description
Technical Field
The invention relates to a two-dimensional code association method in cigarette production.
Background
At present, a cigarette production enterprise needs to apply two-dimensional codes printed on cigarette boxes, cartons and large boxes to manage and trace the production and sales of cigarettes, and the information of the cigarette boxes, the cartons, the large boxes and even merchants must be associated in the cigarette production process, namely, the two-dimensional codes of the boxes, the cartons and the boxes are associated. For various reasons, the cigarette production line is stopped, and the sequence of one package and one carton on the line is manually interfered.
Aiming at the defects, the current cigarette industry adopts a two-dimension code association method, namely when a 10 small box enters into a 1-box in the cigarette production process, two-dimension code information of the small box and the box is acquired, and the two-dimension code of the 10 small box is associated with the two-dimension code of the box. And similarly, collecting two-dimensional code information of the strip box and two-dimensional code information of the large box at the position where the strip box enters the large box, and associating the two-dimensional code information of the strip box in the large box with the two-dimensional code information of the large box. Therefore, the association of the small carton package 1 to the 10 two-dimensional code can be ensured to be accurate, and the large carton is the same.
The existing box and strip two-dimension code association schemes are that the code reading of the small packet is carried out on a small packet channel, a two-dimension code sequence of the small packet is established, the two-dimension code of the small packet is read on the lower paper position of the strip box of the strip packing machine or the outlet channel of the cigarette strip, and the association between the two-dimension code of the small packet and the code of the small packet is established. The current scheme is to complete the acquisition and decoding of the two-dimensional code image simultaneously, and decode and correlate in real time on a production line. Because the production efficiency of the high-speed cigarette machine is very high and reaches 700-800 small boxes per minute, the time for real-time decoding is reserved to be more reliable within 100 milliseconds. The same problem is also true in association of two-dimensional codes of bars and boxes.
At present, two-dimension code association of a packet and a bar and two-dimension code association of a bar and decoding have two schemes: the common camera image processing decoding and the direct decoding by the intelligent camera are successful in the time limited by the pipeline, the maximum decoding time can not exceed the time interval allowed by the machine operation, and the maximum decoding time is limited because of the fact that the maximum decoding time is limited because of the good image quality of the image, and the decoding rate is not high, so that the requirement of the decoding rate of more than 99.9% is difficult to meet. In the production process, because the speed of processing the cigarette packet by the pipeline is very high, the decoding time of the photographed two-dimensional code is required to be strictly limited in real time, and some image processing algorithms cannot be adopted because of time limitation, so that the decoding rate is not high, and the requirements of the two-dimensional code associated application cannot be well met.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for associating two-dimension codes in cigarette production aiming at the defects related to the background technology.
The invention adopts the following technical scheme for solving the technical problems:
the invention discloses a method for associating two-dimension codes in cigarette production, which associates the two-dimension codes of n small packages in a large package with the two-dimension codes of the large package, wherein n is a natural number greater than or equal to 1, and specifically comprises the following steps:
step A.1), before the small packages are filled into the large packages, respectively collecting two-dimensional code images of each small package and each large package according to the sequence, naming each two-dimensional code image with a unique identifier, and forming a small package two-dimensional code identifier sequence and a large package two-dimensional code identifier sequence;
step A.2), filling n small packages into a large package; according to the corresponding relation between the identifier sequence of the large-package two-dimensional code and the identifier sequence of the small-package two-dimensional code, the identifiers of the large-package two-dimensional code and the identifiers of the n corresponding small-package two-dimensional codes are associated to form an association queue F1;
step A.3), decoding the two-dimensional code images of each small package and the two-dimensional code images of the large package, and associating the character strings decoded by the two-dimensional code images with identifiers thereof to form an association queue F2;
and A.4), respectively replacing the identifier of the two-dimension code of the small package in F1 and the identifier of the two-dimension code of the large package with the corresponding two-dimension code character strings in the association queue F2 to complete association of the two-dimension code information of the large package and the two-dimension code information of the n small packages corresponding to the two-dimension code information.
The invention also discloses another method for associating the two-dimension codes in the cigarette production, which associates the two-dimension codes of n small packages in a large package with the two-dimension codes of the large package, wherein n is a natural number greater than or equal to 1, and specifically comprises the following steps:
step B.1), before the small packages are filled into the large packages, respectively acquiring two-dimensional code images of the small packages according to the sequence, naming and storing each small package two-dimensional code image by a unique identifier to form a queue F1 of small package identifiers;
step B.2), when n small packages are filled into a large package, collecting a two-dimensional code image of a q-th small package as a positioning code image, wherein q is a preset constant which is more than or equal to 1 and less than or equal to n, generating a positioning code identifier, and storing the positioning code two-dimensional code image by using the identifier; meanwhile, acquiring a current large package two-dimensional code image, naming and storing the current large package two-dimensional code image by a unique identifier, and correlating the positioning code identifier with the current large package identifier in real time to form a correlated data queue F2;
b.3), decoding the two-dimensional code image of each small package, the two-dimensional code image of the large package and the positioning code image, and associating the character string decoded by the two-dimensional code image with the identifier thereof to form an association queue F3;
step B.4), according to the association relation between the character strings in the F3 and the identifiers thereof, the identifiers in the F1 and the F2 are replaced by two-dimension code information character strings to form a small-package two-dimension code character string sequence F4, a large-package two-dimension code character string and an association queue F5 for locating the code character strings;
and B.5), for each positioning codeword string in F5, finding out n continuous small package two-dimensional code strings in the small package two-dimensional code string sequence F4, so that the positioning codeword string is identical with the q-th two-dimensional code string in the n continuous small package two-dimensional code strings, and replacing the positioning codeword string with the n continuous small package two-dimensional code strings, so that F5 becomes two-dimensional code information associated data of the large package and the small package. Compared with the prior art, the technical scheme provided by the invention has the following technical effects:
the invention discloses a method for associating two-dimension codes in cigarette production, which comprises the steps of naming and storing two-dimension code images of a small package and a large package by a unique identifier, storing the corresponding relation between the identifiers of the large package and the small package on a production line in real time, decoding off-line, restoring the decoded two-dimension code information into association of the two-dimension code information through the associated identifier, and meeting the application requirements of association traceability of the two-dimension code information. The scheme decoding algorithm is not limited by time, the real-time requirement on decoding is reduced, a more effective decoding algorithm can be adopted, and the decoding rate is greatly improved.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings:
this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the components are exaggerated for clarity.
As shown in fig. 1, the invention discloses a method for associating two-dimension codes in cigarette production, which associates the two-dimension codes of n small packages in a large package with the two-dimension codes of the large package, and then packs 10 small packages into a box by a cigarette packing machine for concrete illustration, wherein the concrete process is as follows:
step a.1), in cigarette production, 10 packets are packed into a box by a cigarette packing machine. The small bags on the packaging machine assembly line enter the packaging machine in sequence, and the small bag two-dimensional code photographing camera 1 is installed at the station where the small bags enter the strip boxes. The packaging machine automatically controls the number of packets and cartons, and after 10 packets are ready, one carton arrives at the packaging station. And installing a two-dimensional code photographing camera 2 at the position where the strip box reaches the packaging station.
Under the control of the packet arrival sensor, the camera 1 photographs the two-dimensional code on each packet in real time, and names the two-dimensional code image file by using an identifier Ni queue (i=1..n), so as to form a queue of Ni. Under the control of the sensor when the boxes arrive, the camera 2 photographs the two-dimensional codes on each box in real time, and names the two-dimensional code image files by using an identifier Mi queue (i=1..m), so as to form the Mi queue.
Step A.2), according to the corresponding relation between the identifiers Mi of the strip boxes and the identifiers Ni of the small bags, a data structure MNI associated with the strip box identifiers and the small bags identifiers is formed, wherein the corresponding relation between each strip box identifier and the corresponding 10 small bags identifiers is stored, and the strip box identifiers and the corresponding 10 small bags identifiers are written into the file F1.
Step A.3), decoding the image files stored by the camera 1 and the camera 2, associating the character strings obtained by decoding the two-dimensional code images with the corresponding identifiers, and writing the character strings into the file F2;
and A.4), replacing the identifiers in F1 with the corresponding character strings according to the corresponding relation between the character strings in F2 and the identifiers, and obtaining the association of the bar box and the small packet two-dimension code data.
Because the two-dimensional code image of each small package can not be acquired when the small package is loaded into the large package, the small package on the production line can be increased or reduced temporarily before packaging, and errors can occur when the small package and the large package are correspondingly associated according to the two-dimensional code identifier sequence of the large package and the two-dimensional code identifier sequence of the small package, and the errors can continue all the time. In order to cope with the conditions that the small package queue on the assembly line is damaged, so that association errors are caused and the errors continue all the time, each time when the small package is put into the large package, two-dimensional code images of one small package are collected to be used as positioning two-dimensional code data for collection, and interference of artificial interference on association accuracy of the package bars is adjusted through the positioning codes, so that the expansion of the association errors is prevented. For association schemes with location code acquisition, we no longer directly associate identifiers of the packets and the bins to generate pre-association data. And respectively obtaining a small-package two-dimensional code image identifier sequence, a large-package two-dimensional code image identifier sequence and a positioning code identifier sequence, respectively decoding, and then correspondingly associating according to the positions of the positioning codes. The following is an example of 50 cassettes into a single case:
in the step B.1), in the cigarette production, 50 boxes are packed into one box by a cigarette box packing machine. The method comprises the steps that the cartons on a container loader assembly line sequentially enter the container loader, and a two-dimensional code photographing camera 1 for the cartons is installed at a position where the cartons enter a container. The boxing machine automatically controls the number of the cartons and the boxes, and one box just reaches the packaging station after 50 cartons are prepared. And installing a two-dimensional code photographing camera 2 at the position that the box reaches the packaging station. At the position of the 50-bar cassette pusher box, the positioning code photographing camera 3 is installed.
The camera 1 photographs the two-dimension codes on each bar box in real time, and names the two-dimension code image file by using the unique identifier to form an identifier queue F1 of the two-dimension codes of the bar boxes.
Step B.2), when the strip box is pushed into the box, the camera 2 shoots the two-dimensional code on the box in real time, names the two-dimensional code by a unique identifier and stores the two-dimensional code; triggering the camera 3 to shoot at the same time, collecting a two-dimensional code image of a q-th bar box as a positioning code image (q is a preset constant less than or equal to 50), generating a positioning code identifier and storing the positioning code two-dimensional code image by using the identifier; the positioning code identifier and the current box identifier are associated in real time to form an associated data queue F2;
b.3), decoding the two-dimensional code images stored by the cameras 1 and 2 and 3, and associating the character strings decoded by the two-dimensional code images with identifiers thereof to form an association queue F3;
b.4), according to the association relation between the character strings in the F3 and the identifiers thereof, replacing the identifiers in the F1 and the F2 with two-dimension code information character strings to form a bar box two-dimension code character string sequence F4, a piece box two-dimension code character string and an association queue F5 for locating the code character strings;
and B.5), for each positioning codeword string in F5, finding out continuous n bar box two-dimensional code strings in F4, so that the positioning codeword string is identical to the q-th two-dimensional code string in the continuous n bar box two-dimensional code strings, and replacing the positioning codeword string with the continuous n bar box two-dimensional code strings, so that F5 becomes two-dimensional code information association data of the bar boxes and the piece boxes.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (2)
1. A method for associating two-dimension codes in cigarette production relates to the two-dimension codes of n small packages in a large package with the two-dimension codes of the large package, wherein n is a natural number greater than or equal to 1, and is characterized by comprising the following steps:
step A.1), before the small packages are filled into the large packages, respectively collecting two-dimensional code images of each small package and each large package according to the sequence, naming each two-dimensional code image with a unique identifier, and forming a small package two-dimensional code identifier sequence and a large package two-dimensional code identifier sequence;
step A.2), filling n small packages into a large package; according to the corresponding relation between the identifier sequence of the large-package two-dimensional code and the identifier sequence of the small-package two-dimensional code, the identifiers of the large-package two-dimensional code and the identifiers of the n corresponding small-package two-dimensional codes are associated to form an association queue F1;
step A.3), decoding the two-dimensional code images of each small package and the two-dimensional code images of the large package, and associating the character strings decoded by the two-dimensional code images with identifiers thereof to form an association queue F2;
and A.4), respectively replacing the identifier of the two-dimension code of the small package in F1 and the identifier of the two-dimension code of the large package with the corresponding two-dimension code character strings in the association queue F2 to complete association of the two-dimension code information of the large package and the two-dimension code information of the n small packages corresponding to the two-dimension code information.
2. A method for associating two-dimension codes in cigarette production relates to the two-dimension codes of n small packages in a large package with the two-dimension codes of the large package, wherein n is a natural number greater than or equal to 1, and is characterized by comprising the following steps:
step B.1), before the small packages are filled into the large packages, respectively acquiring two-dimensional code images of the small packages according to the sequence, naming and storing each small package two-dimensional code image by a unique identifier to form a queue F1 of small package identifiers;
step B.2), when n small packages are filled into a large package, collecting a two-dimensional code image of a q-th small package as a positioning code image, wherein q is a preset constant which is more than or equal to 1 and less than or equal to n, generating a positioning code identifier, and storing the positioning code two-dimensional code image by using the identifier; meanwhile, acquiring a current large package two-dimensional code image, naming and storing the current large package two-dimensional code image by a unique identifier, and correlating the positioning code identifier with the current large package identifier in real time to form a correlated data queue F2;
b.3), decoding the two-dimensional code image of each small package, the two-dimensional code image of the large package and the positioning code image, and associating the character string decoded by the two-dimensional code image with the identifier thereof to form an association queue F3;
step B.4), according to the association relation between the character strings in the F3 and the identifiers thereof, the identifiers in the F1 and the F2 are replaced by two-dimension code information character strings to form a small-package two-dimension code character string sequence F4, a large-package two-dimension code character string and an association queue F5 for locating the code character strings;
and B.5), for each positioning codeword string in F5, finding out n continuous small package two-dimensional code strings in the small package two-dimensional code string sequence F4, so that the positioning codeword string is identical with the q-th two-dimensional code string in the n continuous small package two-dimensional code strings, and replacing the positioning codeword string with the n continuous small package two-dimensional code strings, so that F5 becomes two-dimensional code information associated data of the large package and the small package.
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