CN110084340B - Method for selecting fixed position of RFID label on outer side of packing box - Google Patents
Method for selecting fixed position of RFID label on outer side of packing box Download PDFInfo
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- CN110084340B CN110084340B CN201910366263.7A CN201910366263A CN110084340B CN 110084340 B CN110084340 B CN 110084340B CN 201910366263 A CN201910366263 A CN 201910366263A CN 110084340 B CN110084340 B CN 110084340B
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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Abstract
The invention discloses a method for selecting a fixed position of an RFID label on the outer side of a packing box, which comprises the following steps: step 1) fixing an antenna of an RFID reader right above or right below or left above or right above a conveyor belt, and then writing information of each packing box into an electronic tag of the packing box, wherein the ID number of each electronic tag is unique; step 2) placing the packing box carrying the label on a conveyor belt, enabling the packing box to pass through an RFID reader at a constant speed, and acquiring data of the RFID label passing through the RFID reader at the constant speed from an interface of the RFID reader on the conveyor belt, wherein the data comprises a label number epc, time and signal strength RSSI; and respectively arranging the electronic tags on six surfaces of the packing box, and testing the data and the like of the packing box and the RFID tags turned over by 90 degrees.
Description
Technical Field
The invention relates to a method for selecting a fixed position of an RFID label on the outer side of a packing box in a conveyor belt environment, and belongs to the technical field of radio frequency identification of the Internet of things.
Background
Radio Frequency Identification (RFID) is an automatic Identification technology for wireless communication, and it uses Radio Frequency signals to complete the collection and transmission of information of articles. The RFID technology is a core supporting technology of the Internet of things, and can acquire information data of an object through communication between a reader and an electronic tag, so that accurate and effective data support is provided for upper-layer application. Compared with other identification technologies, the information carrier in the RFID technology is an electronic tag, and has the advantages of small size, large information amount, fast reading and writing, long service life, reusability and the like, and meanwhile, the reader also has the advantages of being capable of identifying a plurality of tags simultaneously, being capable of working in various environments and the like, so that the RFID reader is widely applied to the fields of traffic, article supply chains and the like.
Logistics is one of the fields of radio frequency identification application, and is widely applied to industries such as airport logistics, warehouse management and the like. The articles are sorted, shunted and conveyed to different outlets on the conveyor belt system, so that the logistics efficiency and accuracy are greatly improved, and the manual workload is greatly reduced. The basic working process of the radio frequency identification technology in the conveyor belt system is as follows: firstly, fixing an antenna of a reader near a conveyor belt; and then writing the information of each article into the electronic tag of the object to ensure that the ID number of each electronic tag is unique. Then, the object is placed on the conveyor belt, after the object passes through the conveyor belt, the reader acquires the information of each label, and the object is subjected to the next operation, such as sorting, processing and the like, according to the information of the label.
In practical environments, during the conveying process of the articles, the orientation of the side face of the packing box, to which the RFID tag is attached, is uncontrollable and unpredictable, and the reading rate of the tag by a reader is low due to the adverse effects of various factors such as noise uncertainty and the like. Different packaging boxes and different articles in the boxes have different requirements on the sticking positions of the RFID tags, the success rate of the conveyor belt system is greatly influenced by the factors, the tag reading rate is often missed and mistaken, and the overall application performance of the reader in the conveyor belt environment is poor, and the performance of the conveyor belt system often cannot meet the requirements of practical application. Most current research on RFID technology is directed to improving the reading ability of readers, and less to the choice of fixing the position of the RFID tag on the outer side of the package. The existing method generally increases the transmission power of a reader to achieve the reading rate of a tag. This, although leading to an improved reading rate of the tag, also brings a new problem: the reading distance of the RFID reader is increased, and articles outside the reading area can be read; too high a transmission power does not meet the national electromagnetic compatibility requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for selecting the fixed position of an RFID label on the outer side of a packing box.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for selecting a fixing position of an RFID tag on the outer side of a packing case, the method comprising the steps of:
step 1) fixing an antenna of an RFID reader right above or right below or left above or right above a conveyor belt, and then writing information of each packing box into an electronic tag of the packing box, wherein the ID number of each electronic tag is unique;
step 2) placing the packing box carrying the label on a conveyor belt, enabling the packing box to pass through an RFID reader at a constant speed, and acquiring data of the RFID label passing through the RFID reader at the constant speed from an interface of the RFID reader on the conveyor belt, wherein the data comprises a label number epc, time and signal strength RSSI;
respectively arranging the electronic tags on six surfaces of a packing box, and testing the data of the packing box and the RFID tags turned over by 90 degrees;
step 3) recording the obtained data as the tag data Dij according to the tag position (i) and the antenna position (j);
and 4) fitting the RSSI data in each single label data, judging the lowest point of the curve according to the fitting curve, thus obtaining the corresponding label position (i) and the antenna position (j), and determining the optimal fixing position of the RFID label on the outer side of the packing box.
Preferably, in the whole movement process of reading the electronic tag by the RFID reader, the movement process of the electronic tag is to enter the reader at a constant speed and then leave the reader at a constant speed;
two adjacent packing boxes need to be separated by 30.5cm, and the transmitting energy of an antenna is set to be 20 dB.
Preferably, the method of testing data of the packing case and the RFID tag turned over by 90 degrees by providing the electronic tags on six sides of the packing case includes:
(1) the RFID label is arranged at the top of the packing box;
(2) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(3) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(4) the RFID label is arranged at the top of the packing box, and the packing box rotates by 90 degrees;
(5) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(6) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(7) the RFID label is arranged at the bottom of the packing box;
(8) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(9) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(10) the RFID label is arranged at the bottom of the packing box, and the packing box rotates by 90 degrees;
(11) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(12) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(13) the RFID label is arranged on the right side of the packing box;
(14) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(15) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(16) the RFID label is arranged on the right side of the packing box, and the packing box rotates by 90 degrees;
(17) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(18) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(19) the RFID label is arranged on the left side of the packing box;
(20) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(21) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(22) the RFID label is arranged on the left side of the packing box, and the packing box rotates by 90 degrees;
(23) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(24) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(25) the RFID label is arranged in the front of the packing box;
(26) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(27) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(28) the RFID label is arranged in front of the packing box, and the packing box rotates by 90 degrees;
(29) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(30) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(31) the RFID label is arranged at the back of the packing box;
(32) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(33) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(34) the RFID label is arranged at the back of the packing box, and the packing box rotates by 90 degrees;
(35) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(36) the obtained set of data is recorded as the tag data Dij according to the tag position (i) and the antenna position (j).
Preferably, the conveyor belt is an endless conveyor belt.
Preferably, the conveying belt is a belt conveying belt or a roller conveying belt.
Preferably, the packing box is square.
Compared with the prior art, the invention has the beneficial effects that:
the invention has the advantages that: by using the method for selecting the fixed position of the RFID label on the outer side of the packing box, the RFID reader interface reads the multidimensional information of the returned label, fits the RSSI data in each single label data, judges the lowest point of the curve according to the fitted curve, thereby obtaining the corresponding label position (i) and the antenna position (j), and determines the optimal fixed position of the RFID label on the outer side of the packing box.
The method also considers the interference of the RFID reader in the actual conveyor belt environment;
in the conveying process of the articles, the orientation of the side face of the packing box, which is adhered with the RFID label, is uncertain; the effect of different packaging cases and different items within the case on the RFID tag.
Therefore, on the premise that the transmission power (signal strength indicator (RSSI)) of the RFID reader is minimum, the reading rate of the tags in the conveyor belt environment is obviously improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings so that the above advantages of the present invention will be more apparent. Wherein the content of the first and second substances,
FIG. 1 is a schematic representation of a conveyor belt model of a label selection method according to an embodiment of the invention.
Wherein 101, 102, 103 and 104 are antennas with RFID readers placed at different positions respectively; 1-12 are boxes placed on a conveyor belt.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a method for selecting a fixing position of an RFID tag on an outer side of a packaging box in a conveyor belt environment, wherein the method utilizes a radio frequency identification technology to identify and read the tag passing through the conveyor belt in real time to find out an optimal pasting position of the RFID tag for different packaging boxes and different articles in the boxes.
As shown in fig. 1, the conveyor belt model implemented by the label selection method specifically requires the following:
the antenna of the reader is fixed right above or right below or left above or right above the conveyor belt, then the information of each packing box is written into the electronic tag of the packing box, the ID number of each electronic tag is unique, and then the packing box with the tag is placed on the conveyor belt and passes through the reader at a constant speed. The reader is required to be ensured to be capable of reading the whole motion process of the tag, and the motion process of the tag is that the tag enters the reader at a constant speed and then leaves the reader at a constant speed;
the distance between two adjacent packing cases is about 30.5cm, and the transmitting energy of the antenna is set to be 20 dB.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for selecting a fixed position of an RFID label on the outer side of a packing box under a conveyor belt environment is characterized by comprising the following steps: the method comprises the following steps:
step 1) fixing an antenna of an RFID reader right above or right below or left above or right above a conveyor belt, and then writing information of each packing box into an electronic tag of the packing box, wherein the ID number of each electronic tag is unique;
step 2) placing the packing box carrying the label on a conveyor belt, enabling the packing box to pass through an RFID reader at a constant speed, and acquiring data of the RFID label passing through the RFID reader at the constant speed from an interface of the RFID reader on the conveyor belt, wherein the data comprises a label number epc, time and signal strength RSSI;
respectively arranging the electronic tags on six surfaces of a packing box, and testing the data of the packing box and the RFID tags turned over by 90 degrees;
step 3) recording the obtained data as the tag data Dij according to the tag position (i) and the antenna position (j);
and 4) fitting the RSSI data in each single label data, judging the lowest point of the curve according to the fitted curve so as to obtain the corresponding label position (i) and the antenna position (j), and determining the optimal fixing position of the RFID label on the outer side of the packing box.
Specifically, in this step, the electronic tags are respectively disposed on six faces of the packaging box, and the data of the packaging box and the RFID tag turned over by 90 degrees are tested, which specifically includes:
(1) the RFID label is arranged at the top of the packing box;
(2) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(3) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(4) the RFID label is arranged at the top of the packing box, and the packing box rotates by 90 degrees;
(5) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(6) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(7) the RFID label is arranged at the bottom of the packing box;
(8) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(9) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(10) the RFID label is arranged at the bottom of the packing box, and the packing box rotates by 90 degrees;
(11) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(12) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(13) the RFID label is arranged on the right side of the packing box;
(14) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(15) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(16) the RFID label is arranged on the right side of the packing box, and the packing box rotates by 90 degrees;
(17) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(18) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(19) the RFID label is arranged on the left side of the packing box;
(20) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(21) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(22) the RFID label is arranged on the left side of the packing box, and the packing box rotates by 90 degrees;
(23) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(24) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(25) the RFID label is arranged in the front of the packing box;
(26) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(27) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(28) the RFID label is arranged in front of the packing box, and the packing box is rotated by 90 degrees;
(29) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(30) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(31) the RFID label is arranged at the back of the packing box;
(32) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(33) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(34) the RFID label is arranged at the back of the packing box, and the packing box rotates by 90 degrees;
(35) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(36) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
in a preferred embodiment, the conveyor is an endless conveyor.
In a preferred embodiment, the conveyor belt is a belt conveyor belt or a roller conveyor belt.
In a preferred embodiment, the package is square with six sides.
In a preferred embodiment, the antenna is mounted directly above or below the conveyor belt or above and to the left or above and to the right.
Compared with the prior art, the invention has the beneficial effects that:
the invention has the advantages that: by using the method for selecting the fixed position of the RFID label on the outer side of the packing box, the RFID reader interface reads the multidimensional information of the returned label, fits the RSSI data in each single label data, judges the lowest point of the curve according to the fitted curve, thereby obtaining the corresponding label position (i) and the antenna position (j), and determines the optimal fixed position of the RFID label on the outer side of the packing box.
The method also considers the interference of the RFID reader in the actual conveyor belt environment;
in the process of conveying the articles, the orientation of the side face, which is pasted with the RFID label, on the packing box is uncertain; the effect of different packaging cases and different items within the case on the RFID tag.
Therefore, on the premise that the transmission power (signal strength indicator (RSSI)) of the RFID reader is minimum, the reading rate of the tags in the conveyor belt environment is obviously improved.
From the above, compared with the prior art, the label selection method in the embodiment of the invention has better reading accuracy in the actual application scene of the conveyor belt.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
It should be noted that for simplicity of description, the above method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. 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 in this application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects.
Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A method for selecting a fixing position of an RFID label on the outer side of a packing box is characterized by comprising the following steps:
step 1) fixing an antenna of an RFID reader right above or right below or left above or right above a conveyor belt, and then writing information of each packing box into an electronic tag of the packing box, wherein the ID number of each electronic tag is unique;
step 2) placing a packing box carrying a label on a conveyor belt, enabling the packing box to pass through an RFID reader at a constant speed, and acquiring data of the RFID label passing through the RFID reader at the constant speed from an interface of the RFID reader on the conveyor belt, wherein the data comprises a label number epc, time and signal strength RSSI;
respectively arranging the electronic tags on six surfaces of a packing box, and testing the data of the packing box and the RFID tags turned over by 90 degrees;
step 3) recording the obtained data as the tag data Dij according to the tag position (i) and the antenna position (j);
step 4) fitting the RSSI data in each single label data, judging the lowest point of a curve according to a fitting curve so as to obtain a corresponding label position (i) and an antenna position (j), and determining the optimal fixing position of the RFID label on the outer side of the packing box;
wherein, establish electronic tags respectively on six faces of packing box to test the data of above-mentioned RFID label after packing box and the upset 90 degrees, include:
(1) the RFID label is arranged at the top of the packing box;
(2) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(3) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(4) the RFID label is arranged at the top of the packing box, and the packing box rotates by 90 degrees;
(5) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(6) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(7) the RFID label is arranged at the bottom of the packing box;
(8) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(9) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(10) the RFID label is arranged at the bottom of the packing box, and the packing box rotates by 90 degrees;
(11) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(12) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(13) the RFID label is arranged on the right side of the packing box;
(14) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(15) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(16) the RFID label is arranged on the right side of the packing box, and the packing box rotates by 90 degrees;
(17) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(18) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(19) the RFID label is arranged on the left side of the packing box;
(20) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(21) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(22) the RFID label is arranged on the left side of the packing box, and the packing box is rotated by 90 degrees;
(23) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(24) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(25) the RFID label is arranged in the front of the packing box;
(26) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(27) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(28) the RFID label is arranged in front of the packing box, and the packing box rotates by 90 degrees;
(29) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(30) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(31) the RFID label is arranged at the back of the packing box;
(32) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(33) recording the obtained group of data as the tag data Dij according to the tag position (i) and the antenna position (j);
(34) the RFID label is arranged at the back of the packing box, and the packing box rotates by 90 degrees;
(35) acquiring data of RFID tags passing through a reader at a constant speed from an interface of the RFID reader on a conveyor belt, wherein the data comprises a tag number epc, time and signal strength RSSI;
(36) the obtained set of data is recorded as the tag data Dij according to the tag position (i) and the antenna position (j).
2. The method for selecting the fixed position of the RFID tag on the outer side of the packing box according to claim 1, wherein in the whole movement process of reading the electronic tag by the RFID reader, the movement process of the electronic tag is to enter the reader at a constant speed and then leave the reader at a constant speed;
two adjacent packing boxes need to be separated by 30.5cm, and the transmitting energy of an antenna is set to be 20 dB.
3. The method for selecting the fixing position of the RFID label on the outer side of the packing box according to the claim 1, wherein the conveyor belt is an endless conveyor belt.
4. The method for selecting the fixing position of the RFID label on the outer side of the packing box according to claim 1, wherein the conveyor belt is a belt conveyor belt or a roller conveyor belt.
5. The method for selecting the fixing position of the RFID label on the outer side of the packing box according to claim 1, wherein the packing box is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366263.7A CN110084340B (en) | 2019-05-05 | 2019-05-05 | Method for selecting fixed position of RFID label on outer side of packing box |
Applications Claiming Priority (1)
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| US8325019B2 (en) * | 2010-09-13 | 2012-12-04 | Ricoh Company, Ltd. | Motion tracking techniques for RFID tags |
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