CN210836142U

CN210836142U - RFID (radio frequency identification) tag identification and comparison system for logistics production line

Info

Publication number: CN210836142U
Application number: CN201920537884.2U
Authority: CN
Inventors: 姚国明; 姚庆丰; 赵雷
Original assignee: SHENZHEN LIANJUN TECHNOLOGY CO LTD
Current assignee: SHENZHEN LIANJUN TECHNOLOGY CO LTD
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-06-23
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a logistics production line RFID tag identification and comparison system, which comprises an image acquisition module, a control processing module and a man-machine interaction module; the image acquisition module comprises a smoke box in-place detection switch, a special light source and a camera; the control processing module comprises an industrial computer, an image acquisition card and a low-voltage electric control part; the human-computer interaction module comprises a touch display screen. The image acquisition module is used for acquiring images of RFID labels on the cigarette boxes through the camera, identifying the content of the RFID labels by utilizing an OCR (optical character recognition) technology, comparing the content with RFID information downloaded by an upper system, judging whether the RFID labels pasted on the actual cigarette boxes are consistent with the RFID information recorded by the upper system or not, and effectively preventing tobacco leaves with wrong brands or types from flowing into a production system.

Description

RFID (radio frequency identification) tag identification and comparison system for logistics production line

Technical Field

The utility model belongs to the technical field of automated inspection, a RFID label discernment is related to, especially a line RFID label discernment contrast system is produced in commodity circulation.

Background

In the cigarette production process, finished tobacco leaves are firstly sorted on a logistics line, taken out of a warehouse and unstacked, and then enter a tobacco processing line. The finished product tobacco leaf box is generally sorted by using RFID tags, and the moving direction of an object with an electronic tag is identified by using a radio frequency technology. Firstly, an identified object carries a radio frequency tag, which can be active or passive; then at least 2 receivers are arranged at different positions on the possible moving path of the object and are used for detecting the signal of the electronic tag; and finally, according to the data received by the receiver, calculating the signal position and the time difference to judge the moving direction of the object.

When finished tobacco boxes are distinguished by using RFID labels, because the formation and the adhesion of the RFID share one set of logic control software, no additional detection device is used for detecting the content of the RFID when the tobacco boxes are delivered from a warehouse, and a closed-loop detection and identification system is not formed for the actual tobacco brands delivered from the warehouse. When the software system is abnormal, the mixed tobacco leaves flow into the tobacco processing link, and batch waste is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the logistics production line RFID tag identification and comparison system and method are modular in design, high in automation degree and capable of improving accuracy of tobacco logistics sorting and ex-warehouse.

The technical scheme of the utility model as follows:

a logistics production line RFID tag identification and comparison system comprises an image acquisition module, a control processing module and a human-computer interaction module; the image acquisition module comprises a smoke box in-place detection switch, a special light source and a camera; the control processing module comprises an industrial computer, an image acquisition card and a low-voltage electric control part; the human-computer interaction module comprises a touch display screen. The image acquisition module is used for acquiring images of RFID labels on the cigarette boxes through the camera, identifying the content of the RFID labels by utilizing an OCR (optical character recognition) technology, comparing the content with RFID information downloaded by an upper system, judging whether the RFID labels pasted on the actual cigarette boxes are consistent with the RFID information recorded by the upper system or not, and effectively preventing tobacco leaves with wrong brands or types from flowing into a production system.

The content on the RFID label is mixed with Chinese characters, symbols, numbers, letters and the like, and the content needs to be identified.

The industrial computer of the invention is integrated with image processing software.

As a priority, the relationship between the image acquisition module and the control processing module is a many-to-one relationship, that is: the image acquisition modules of the plurality of delivery ends correspond to a set of control processing module together, and are identified by software and correspond to specific cigarette box labels.

The utility model discloses an effect and benefit are:

(1) the logistics production line RFID tag identification and comparison system adopts a modular design, can automatically judge and distinguish whether the RFID information on the tobacco leaf boxes is consistent with the original information or not, has high automation degree, and improves the accuracy of tobacco leaf logistics sorting and ex-warehouse;

(2) functional modules of the logistics production line RFID tag identification and comparison system have portability, can be applied to automation equipment with the same function, and is wide in application range.

Drawings

FIG. 1 is a schematic diagram of a control system for RFID tag identification and comparison in a logistics production line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A logistics production line RFID tag identification and comparison system comprises an image acquisition module, a control processing module and a human-computer interaction module; the image acquisition module comprises a smoke box in-place detection switch, a special light source and a camera; the control processing module comprises an industrial computer, an image acquisition card and a low-voltage electric control part; the human-computer interaction module comprises a touch display screen. The industrial computer is integrated with image processing software, the image acquisition module acquires images of RFID tags on the smoke box through a camera, content of the RFID tags is identified by using an OCR (optical character recognition) technology and is compared with RFID information downloaded by an upper system, whether the RFID tags attached to the actual smoke box are consistent with the RFID information recorded by the upper system or not is judged, and tobacco leaves with wrong brands or types are effectively prevented from flowing into a production system.

The image acquisition modules and the control processing modules are in a many-to-one relationship, and the image acquisition modules at the multiple delivery ends correspond to one set of control processing modules together and are identified by software and correspond to specific cigarette box labels.

The control principle and the use method of the logistics production line RFID tag identification and comparison system are shown in the attached figure 1 in the specification: the upper system transmits the information of the RFID to the control processing module through the industrial Ethernet, and meanwhile, according to the transmission serial number of the field production line, the control processing module receives the corresponding information and stores the information in the first temporary storage unit; when a smoke box in-place detection switch in the image acquisition module detects a smoke box, a light source and a camera are triggered to work, the image of the RFID on the smoke box is acquired, and the image is transmitted to an image acquisition card at the control processing module through an image transmission cable; transmitting image information at the image acquisition card to an industrial computer; image processing software in an industrial computer analyzes and processes image information, firstly, an acquired image is subjected to initial filtering through an image filtering algorithm, then an area needing to be identified on an RFID label is subjected to separation operation, the image processing software identifies the RFID information in the processed image and outputs the RFID information to a second temporary cache, whether the RFID information on the differentiated tobacco leaf box is consistent or not is judged by comparing the data abnormity in a first temporary storage unit and a second temporary storage unit, and the comparison is finished and then the RFID information is respectively stored in corresponding databases for subsequent inquiry. And when the RFID information is inconsistent, sending an audible and visual alarm signal and an abnormal information prompt to prompt an operator to process.

The content on the RFID label is a mixture of Chinese characters, symbols, numbers, letters and the like, and the current general algorithm can only identify the letters and the numbers, so that the identification and comparison are required to be carried out based on a unique word stock, the initial creation of the word stock needs to be learned through fonts, and the subsequent learning and statistics are carried out through automatic matching.

The above-described embodiments are merely illustrative of the embodiments of the present invention, and do not limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various changes and modifications of the technical solution of the present invention made by those skilled in the art shall fall within the protection scope of the present invention, which is defined by the appended claims rather than the above description, and therefore all changes that fall within the meaning and range of equivalency of the claims are intended to be embraced therein, and any reference signs in the claims shall not be construed as limiting the claims concerned.

Claims

1. The utility model provides a commodity circulation is produced line RFID label and is discerned contrast system, includes image acquisition module, control processing module, human-computer interaction module, its characterized in that: the image acquisition module comprises a smoke box in-place detection switch, a special light source and a camera; the control processing module comprises an industrial computer, an image acquisition card and a low-voltage electric control part, wherein the industrial computer is integrated with image processing software; the human-computer interaction module comprises a touch display screen; the image acquisition module acquires images of RFID labels on the smoke box through the camera, identifies the content of the RFID labels by using an OCR (optical character recognition) technology, compares the content with RFID information downloaded by an upper system, and judges whether the RFID labels adhered to the actual smoke box are consistent with the RFID information recorded by the upper system or not.

2. The logistics production line RFID tag identification and comparison system of claim 1, wherein: the image acquisition modules and the control processing modules are in a many-to-one relationship, the image acquisition modules at the ex-warehouse ends correspond to one set of control processing modules together, and the image acquisition modules are identified by software and correspond to specific cigarette box labels.