CN114331464A - Tracing method for obtaining product information in high-temperature environment - Google Patents
Tracing method for obtaining product information in high-temperature environment Download PDFInfo
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- 239000000463 material Substances 0.000 claims description 4
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Abstract
A tracing method for obtaining product information in a high-temperature environment comprises the following steps: (1) and (3) encoding: punching holes in the inherent area of the product for coding; product-inherent area refers to an area inherently present on a product; (2) identification: acquiring a coded image, and identifying a code through algorithm processing; (3) binding: binding the identified code with background production or management information; (4) tracing: and after the production processing of the product is finished, reading the background production or management information through the identification code. According to the invention, the coding information represented by the identified holes is processed by using the algorithm, the identified codes and the background production or management information are bound with each other, and after the high-temperature processing is finished, the specific production products and management information of the batch of products can be read through the identification codes, so that the wrong division caused by the influence of experience on manual operation is avoided, the automation of product information tracing is realized under a high-temperature or harsh environment, and the product information tracing can be more accurately and rapidly carried out.
Description
Technical Field
The invention relates to a product information tracing method, in particular to a product information tracing method used in a high-temperature or harsh environment.
Background
At present, bar codes, two-dimensional codes, RFID and other methods requiring code scanning of a code scanner are mostly adopted on a production line to realize the tracing of product information, the method is widely applied to various industries and can enable people to trace various information of products, but the method is not suitable for high-temperature or harsh environments, and the bar codes, the two-dimensional codes and the RFID are easy to deform and burn out under the high-temperature or harsh environments of a brick kiln, a kiln and the like, so that code scanning fails, product information cannot be accurately acquired, and the product information tracing is mainly operated manually under the high-temperature or harsh environments.
With the popularization of automation, the demands of customers are also promoted, but the cost of human work is high, the efficiency is low, the precision rate is relatively low, the method is more easily influenced by personal experience and subjective factors, and the demands of customers cannot be well met by the method.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the products in the high-temperature or harsh environment, the tracing method for acquiring the product information in the high-temperature environment is provided by how to improve the accuracy of product information acquisition and reading and avoid manual errors, so that the production management system is more standardized and standardized.
The technical scheme adopted by the invention is as follows:
a tracing method for obtaining product information in a high-temperature environment comprises the following steps:
(1) and (3) encoding: punching holes in the inherent area of the product for coding; product-inherent area refers to an area inherently present on a product;
(2) identification: acquiring a coded image, and identifying a code through algorithm processing;
(3) binding: binding the identified code with background production or management information;
(4) tracing: and after the production processing of the product is finished, reading the background production or management information through the identification code.
In the step (1), the coding means that holes are punched on the inherent area of the product according to a predefined coding hole opening information corresponding table for coding, wherein a specific hole is used as a positioning hole; and the depth of all holes is kept consistent, the center spacing of adjacent holes is equal, and the holes are arranged in any one of single row, m-n matrix arrangement and annular array arrangement.
The coded opening information corresponding table is as follows: and establishing a coding opening information corresponding table according to any one of different types, different shapes, sizes, combination of sizes and types of the holes and combination of positions and empty spaces of the holes.
In the identification in the step (2), the identification specifically refers to acquiring a coded image, and identifying the coded information through algorithm processing, wherein the coded image acquisition refers to acquiring the coded image when a product passes through a specified position in an inherent area or on a production line through a camera; different types of hole identification can identify the type of the hole through an edge extraction algorithm, so as to identify the coding information represented by the hole; the identification of the holes with different sizes can identify the coding information represented by the hole by calculating the outline area through an algorithm, and the identification of the empty holes can identify the coding information represented by the hole by calculating the distance from the centers of the rest round holes to the center of the positioning round hole through the algorithm.
In the binding of the step (3), the identified coding information and the background production or management information are bound with each other through the PLC.
In the step (4), the background production or management information includes any one or a combination of several of an order of a produced product, a specific size, a specific type, a specific material and a specific process of the product.
The product is a refractory brick, the inherent area of the product is square tubes on two sides of the pallet, and holes are punched on the square tubes on the two sides of the pallet for coding.
According to the technical scheme, holes are punched in the square tubes on the two sides of the pallet for coding, the coded images are collected through the camera, the coded information represented by the holes is identified through algorithm processing, the identified codes are bound with background production or management information, and after high-temperature processing is finished, specific production products and management information of the batch of products can be read through the identified codes, so that the phenomenon that manual operation is influenced by experience and is wrongly divided is avoided, the product information tracing automation is realized in a high-temperature or harsh environment, and the product information tracing can be accurately and quickly carried out.
Drawings
FIG. 1 is a flowchart of a product information tracing method for use in high temperature or harsh environments according to the present invention.
Fig. 2 is a schematic diagram of a partial pallet coded information opening according to an embodiment 2 of the method for tracing product information in a high-temperature or harsh environment according to the present invention.
Fig. 3 is a schematic diagram of a partial pallet coded information opening according to embodiment 3 of the method for tracing product information in a high-temperature or harsh environment according to the present invention.
Fig. 4 is a schematic diagram of a partial pallet coded information opening according to embodiment 4 in a method for tracing product information under high temperature or harsh environment according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a method for tracing product information in a high-temperature or harsh environment includes the following steps:
(1) and (3) encoding: punching holes in the inherent area of the product for coding; product-resident areas refer to areas that are inherently present on a product, typically during the production and sale of the product. The invention takes the firebrick as an example, and the inherent area of the product can be square tubes on two sides of the pallet, so holes are punched on the square tubes on the two sides of the pallet for coding.
(2) Identification: acquiring a coded image, and identifying a code through algorithm processing;
(3) binding: binding the identified code with background production or management information;
(4) tracing: after the production processing of the product is finished, reading background production or management information through the identification code, wherein the production processing can be high-temperature processing and the like.
In the step (1), the coding means to code holes drilled in the square tubes on both sides of the pallet according to a predefined coding hole information mapping table, wherein the holes include a specific hole as a positioning hole for accurate positioning during coding identification, in addition, the depths of all the holes should be consistent, the center distances of adjacent holes are also equal, the number of holes can be set according to actual conditions, and the arrangement of the holes can be in a single row, m × n matrix arrangement, annular (or annular array) arrangement, and the like. The coded opening information corresponding table is a coded opening information corresponding table established according to different types of holes, such as different shapes of circles, squares, triangles, pentagons and the like, can also be established according to the sizes of the holes, can also be combined with the types of the holes to establish the coded opening information corresponding table, and can also be combined with the empty and real positions of the holes to establish the coded opening information corresponding table. In the code opening information corresponding table, code values (letters or numerical values) corresponding to each shape, each size, each position and the space are defined, different code information is represented by the combination of different letters and different numerical values, and the positions of the holes are mainly determined by different distances from the positioning holes. Such as: the hole arrangement mode is annular, firstly a larger round hole is defined as a positioning identification hole, along the circumferential direction, a hole behind the positioning round hole represents a letter, if a triangular hole represents the letter A, a square hole represents the letter B, and a regular pentagon represents the letter C, then a circle of the same round holes slightly smaller than the positioning round hole is punched at equal intervals along the circumferential direction to represent a numerical value, according to the binary coding mode, the round hole represents 1, no round hole represents 0, finally, the letter and the numerical value are combined to form a coding string, the coding mode is only one coding mode, and coding can be carried out through other different combinations.
In the step (2), the identification specifically refers to acquiring a coded image, and identifying the coded information through algorithm processing, wherein the coded image acquisition refers to acquiring the coded image when the pallet passes through a designated position on a fixed position or a production line through a camera, namely shooting holes punched on the side face square tubes of the pallet. Different types of hole identification can identify the type of the hole through an edge extraction algorithm, so as to identify the coding information represented by the hole; the identification of the holes with different sizes can identify the coding information represented by the hole by calculating the outline area through an algorithm, and the identification of the empty holes can identify the coding information represented by the hole by calculating the distance from the centers of the rest round holes to the center of the positioning round hole through the algorithm.
In the binding in the step (3), the binding specifically refers to mutually binding the identified code and the background production or management information. The binding in this example is to bind the identified encoded information to background production or management information via the PLC.
In the step (4), the tracing specifically refers to reading background production or management information through identification codes after the high-temperature treatment is completed, and specifically may be information such as orders to which the produced products belong, specific sizes, types, materials, processes of the products, and the like.
Example 2
As shown in fig. 2, a method for tracing product information in a high-temperature or harsh environment includes the following steps:
and (3) encoding: holes are punched on the square pipes on the two sides of the pallet for coding. In this embodiment, the pallet is encoded by punching 9 circular holes on the square pipes on the two sides of the pallet. The holes are arranged in a single row, the round hole on the rightmost side is slightly larger than the rest round holes, the diameter is 10mm, the rest round holes are equal in size and 5mm in diameter, the distance between the centers of two adjacent round holes is equal and 15mm, the depth of each round hole is 6mm, the round hole on the rightmost side is defined as a positioning starting identification hole and is not used for coding calculation, and round holes are punched in the pallet specified position leftwards by taking the round hole as a starting point according to the corresponding pallet codes. The coding in this embodiment is shown by eight-bit binary calculation, and the coded open-hole information table in this example is shown in fig. 2, where a hollow circular hole indicates no hole, a solid circular hole indicates a hole, and a code array has circular holes representing 1 and no circular hole representing 0, to form an eight-bit binary character string.
Identification: and acquiring a coded image, and identifying coded information through algorithm processing. The collection of the coded images in the embodiment refers to the collection of the coded images of the pallet passing through the designated position on the production line through a camera, namely, the shooting of a row of round holes punched on the square pipes on the two sides of the pallet. The algorithm processing in this example mainly includes image preprocessing and decoding algorithm processing. The image preprocessing mainly comprises mean value filtering, gray level image conversion and binarization processing, a decoding algorithm mainly comprises the steps of finding out a large circular hole, identifying positioning circular holes, determining an initial position, calculating the distance from the centers of the rest circular holes to the centers of the positioning circular holes, calculating which bit of an eight-bit binary system is represented by each circular hole through the distance, wherein the bits are 1, the rest of the eight bits are 0, and then converting the eight-bit binary system into a decimal number which is represented by the decimal number.
The other steps are the same as in example 1.
Example 3
The invention provides a second embodiment of a product information tracing method used in a high-temperature or harsh environment, which comprises the following steps:
and (3) encoding: the corresponding schematic diagram of partial coded information opening is shown in fig. 3, the holes are arranged in a ring shape, a circular hole with the diameter of 10mm is defined as a positioning identification hole, a hole behind the positioning circular hole represents a letter along the circumferential direction, if the triangular hole represents the letter a, the square hole represents the letter B, and the regular pentagon represents the letter C, 14 circular holes with the diameter of 5mm are punched at equal intervals along the circumferential direction to represent numerical values, the depth of each hole is 6mm, a circular hole represents 1 and no circular hole represents 0 according to a binary coding mode, and finally the letters and the numerical values are combined to obtain a coded string.
Identification: collecting a coded image of the pallet passing through a designated position on a production line, and identifying a coding string by using an algorithm; the verification function during identification can be realized through repeated coding and punching at the same position. And the identification reliability is ensured.
The other steps are the same as in example 1.
Example 4
The invention provides a fourth embodiment of a product information tracing method used in a high-temperature or harsh environment, which comprises the following steps:
and (3) encoding: fig. 4 shows a schematic diagram of partial coded information opening correspondence, the hole arrangement is a 5 × 4 matrix, the rightmost larger round hole is a positioning identification hole with a diameter of 10mm, the diameters of the other round holes are 5mm, the center distances of the two adjacent round holes are equal and are 15mm, the depth of the hole is 6mm, according to a binary coding mode, a round hole represents 1, no round hole represents 0, each row represents one digit, the first row represents one digit, the second row represents ten digits, the third row represents hundred digits, the fourth row represents thousand digits, the fifth row represents ten digits, and finally a coding string is formed.
Identification: collecting a coded image of the pallet passing through a designated position on a production line, and identifying a coding string by using an algorithm; the verification function during identification can be realized through repeated coding and punching at the same position. And the identification reliability is ensured.
Binding: and binding the coding string with background production or management information.
Tracing: after the high-temperature treatment is finished, the information such as the order of the produced product, the specific size, type, material, process and the like of the product can be obtained by identifying the coding string.
The other steps are the same as in example 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A tracing method for obtaining product information in a high-temperature environment is characterized by comprising the following steps: the method comprises the following steps:
(1) and (3) encoding: punching holes in the inherent area of the product for coding; product-inherent area refers to an area inherently present on a product;
(2) identification: acquiring a coded image, and identifying a code through algorithm processing;
(3) binding: binding the identified code with background production or management information;
(4) tracing: and after the production processing of the product is finished, reading the background production or management information through the identification code.
2. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 1, wherein: in the step (1), the coding means that holes are punched on the inherent area of the product according to a predefined coding hole opening information corresponding table for coding, wherein a specific hole is used as a positioning hole; and the depth of all holes is kept consistent, the center spacing of adjacent holes is equal, and the holes are arranged in any one of single row, m-n matrix arrangement and annular array arrangement.
3. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 2, wherein: the coded opening information corresponding table is as follows: and establishing a coding opening information corresponding table according to any one of different types, different shapes, sizes, combination of sizes and types of the holes and combination of positions and empty spaces of the holes.
4. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 3, wherein: in the identification in the step (2), the identification specifically refers to acquiring a coded image, and identifying the coded information through algorithm processing, wherein the coded image acquisition refers to acquiring the coded image when a product passes through a specified position in an inherent area or on a production line through a camera; different types of hole identification can identify the type of the hole through an edge extraction algorithm, so as to identify the coding information represented by the hole; the identification of the holes with different sizes can identify the coding information represented by the hole by calculating the outline area through an algorithm, and the identification of the empty holes can identify the coding information represented by the hole by calculating the distance from the centers of the rest round holes to the center of the positioning round hole through the algorithm.
5. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 1, wherein: in the binding of the step (3), the identified coding information and the background production or management information are bound with each other through the PLC.
6. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 1, wherein: in the step (4), the background production or management information includes any one or a combination of several of an order of a produced product, a specific size, a specific type, a specific material and a specific process of the product.
7. A traceability method for acquiring information of a product under a high temperature environment as claimed in claim 1, wherein: the product is a refractory brick, the inherent area of the product is square tubes on two sides of the pallet, and holes are punched on the square tubes on the two sides of the pallet for coding.
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| CN115392277A (en) * | 2022-08-30 | 2022-11-25 | 武汉至简天成科技有限公司 | Coding information reading method and visual code reading equipment |
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