CN116090956A - Storehouse inventory and positioning method based on time delay scanning and label acousto-optic prompt - Google Patents

Storehouse inventory and positioning method based on time delay scanning and label acousto-optic prompt Download PDF

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CN116090956A
CN116090956A CN202310136388.7A CN202310136388A CN116090956A CN 116090956 A CN116090956 A CN 116090956A CN 202310136388 A CN202310136388 A CN 202310136388A CN 116090956 A CN116090956 A CN 116090956A
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scanning
rfid
tag
state
label
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智豪
石丹杰
钟益璋
曹盼盼
喻瑾
张凤琴
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Zhejiang Ruihua Kangyuan Technology Co ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • 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
    • G06K17/0022—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders

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Abstract

The invention discloses a storehouse inventory and positioning method based on delay scanning and label acousto-optic prompt, which belongs to the technical field of Internet of things and label communication and comprises the following steps: a plurality of RFID reading systems are respectively and correspondingly arranged in containers of a plurality of shelves in a warehouse one by one; setting a scanning mode, a positioning priority sequence and a delay time of each RFID reading system; adding an acousto-optic prompt module for each RIFD tag; based on each RFID reading system and each RIFD tag, inventory and positioning based on delay scanning and tag acousto-optic prompt are completed.

Description

Storehouse inventory and positioning method based on time delay scanning and label acousto-optic prompt
Technical Field
The invention belongs to the technical field of Internet of things and tag communication, and particularly relates to a warehouse inventory and positioning method based on delay scanning and tag acousto-optic prompting.
Background
The current various storehouses have the characteristics of various stored materials or products, large usage amount and high value, and the frequent warehouse entry and exit registration, the daily management workload of manual operation is large, and the inventory is very difficult; besides the recording problem caused by large workload of a warehouse, mistakes and leaks are more likely to occur in the aspects of actual retrieval, refund, use and charging of high and low-value consumables, and the problem of identifying consumable strings before different shelves is needed to be solved in order to solve the situation.
In the prior art, each shelf is separated by a certain distance by more than 100cm, and RFID power is reduced to achieve the aim of no string identification, so that the problem of string identification is solved, but space resource waste exists; in addition, shielding materials and wave absorbing materials are added to each goods shelf, so that radio frequency electromagnetic waves of the single goods shelf are limited in a fixed space of the goods shelf, the aim of no string identification is achieved, and the problems of large string identification and occupied space are solved by the scheme, but the problems of difficult implementation, poor use experience and high cost price are caused by shielding and wave absorbing.
Disclosure of Invention
Aiming at the defects in the prior art, the warehouse inventory and positioning method based on delay scanning and label acousto-optic prompt solves the problems of difficult inventory of a single shelf and difficult positioning of consumable materials under multiple shelves based on RFID delay scanning, maximum RSSI value and label acousto-optic prompt.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the invention provides a storehouse inventory and positioning method based on delay scanning and label acousto-optic prompt, which comprises the following steps:
s1, arranging a plurality of RFID reading systems in containers of a plurality of shelves in a warehouse in a one-to-one correspondence manner;
s2, setting a scanning mode, a positioning priority sequence and a delay time of each RFID reading system;
s3, adding an acousto-optic prompt module for each RIFD tag;
s4, inventory and positioning based on delay scanning and label acousto-optic prompt are completed based on each RFID reading system and each RIFD label.
The beneficial effects of the invention are as follows: according to the warehouse inventory and positioning method based on delay scanning and label acousto-optic prompt, inventory of goods shelf consumable materials is carried out by adopting the technology of RFID Reader and RFID label communication, the scanning mode and the positioning priority order of an RFID reading system are provided, the serial scanning problem between goods shelves is solved, and the positioning problem of consumable materials under multiple goods shelves is solved through label information and an acousto-optic prompt module added for RFID labels.
Further: each RFID reading system comprises a single RFID Reader and a plurality of antennas; each antenna is respectively arranged in a layer of counter corresponding to the goods shelf.
The beneficial effects of adopting the further scheme are as follows: the detection results can be in one-to-one correspondence with the container numbers, and the warehouse checking and positioning are facilitated.
Further: the scanning mode of the RFID reading system comprises the following steps:
11-a traffic pattern: performing first delay scanning on the RFID tag, and counting the first delay scanning time into the total scanning time, if no new RFID tag information exists in the first delay scanning time, stopping scanning, otherwise, obtaining a reading result of the RFID tag in the 11-a state, changing the read RFID tag into the 11-b state, and not reading until the total scanning time is over, and changing the tag in the 11-b state into the 11-a state;
12-ab traffic pattern, wherein the 12-ab traffic pattern comprises a 12-a traffic sub-pattern and a 12-b traffic sub-pattern:
12-a traffic sub-mode: receiving a 12-a instruction, performing second delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the second delay scanning time, otherwise obtaining a 12-a state tag reading result, changing the read RFID tag state into a 12-b state until the 12-b instruction is received or the preset distance away from the antenna exceeds the preset distance time, and changing the 12-b state RFID tag state into the 12-a state;
12-b traffic sub-mode: and (3) receiving a 12-b instruction, carrying out third delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the third delay scanning time, otherwise, obtaining a 12-a state tag reading result, and only when the 12-a instruction is received, modifying the corresponding RFID tag state into a 12-a state, and further keeping the 12-b state all the time.
The beneficial effects of adopting the further scheme are as follows: the 11-a service mode can automatically switch the RFID label state without command control, can automatically switch in a short time, but easily generates a lot of unnecessary repeated data, is suitable for RFID label inventory of less than 250pcs, and the 12-ab service mode is suitable for label inventory (more than 250 pcs) with more pcs because each RFID label is read only once, but needs command control.
Further: the positioning priority order of the RFID reading system is determined according to the distance between the RFID tag and each antenna, and the closer the RFID tag is to the antenna, the larger the RSSI value is, and the farther the RFID tag is to the antenna, the smaller the RSSI value is.
The beneficial effects of adopting the further scheme are as follows: the positioning priority sequence is related to the RSSI value, and provides a basis for accurately positioning the container number.
Further: the sound-light prompting module comprises a buzzer and an LED lamp; each RFID tag is respectively connected with a buzzer and an LED lamp in series; the tag data of each RFID tag is composed of 16-system numbers, and the tag data sequentially comprises a main data area, an auxiliary data area, a global unique ID code area and a password area, wherein the data at the fourth byte of the auxiliary data area or the password area is used for triggering the RFID tag to output 2V voltage driving buzzer and LED lamp.
The beneficial effects of adopting the further scheme are as follows: the acousto-optic prompt module is provided, so that the container can be conveniently and rapidly positioned, and checking is convenient.
Further: the step S4 includes the steps of:
s41, scanning target RFID labels in a shelf based on each RFID reading system according to a preset scanning mode, a positioning priority sequence and a delay time to obtain an RFID label scanning result, wherein the RFID label scanning result comprises a plurality of RFID label data;
s42, judging whether repeated RFID tag data exist in the scanning result, if so, entering a step S43, otherwise, entering a step S45;
s43, obtaining RSSI values detected by antennas in different container layers of a plurality of different shelves by using antennas in different container layers of different shelves;
s44, selecting a container number corresponding to the largest RSSI value as a target container number;
s45, according to the antenna corresponding to the RFID data tag without repetition, obtaining a container number corresponding to the RFID data tag without repetition, and taking the container number as a target container number;
s46, transmitting label data of the sounding and lighting prompt module to the RFID label in the target container number to make the target RFID label sound and lighting prompt, and finishing inventory and positioning based on delay scanning and label sound and lighting prompt.
The beneficial effects of adopting the further scheme are as follows: the method for inventory and positioning based on the RFID reading systems and the RIFD tags is particularly used for completing inventory and positioning based on delay scanning and tag acousto-optic prompt, and effectively achieves multi-shelf rapid inventory and prevents multi-shelf inventory serial reading and rapid positioning through the maximum RSSI value.
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FIG. 1 is a flow chart of steps of a warehouse inventory and location method based on time-lapse scanning and label audible and visual cues in an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
RFID: the radio frequency identification (RFID, radio Frequency Identification) technology is a wireless communication technology combining a communication technology and a microelectronic technology, and can establish bidirectional non-contact communication between a reader and a target object through radio signals, acquire information of the target object and process related information, and is used as one of automatic identification technologies;
RFID tag: the electronic Tag is coupled with the reader through a coupling element to realize the space (non-contact) coupling of radio frequency signals, and in a coupling channel, the transmission and the data exchange are realized according to the time sequence relation;
RFID reader: the RFID reader-writer is also called as an RFID reader-writer, and performs operations such as reading and writing of data by recognizing an RFID tag through radio frequency waves with specific frequencies;
RSSI: is an indication of the signal strength of the RFID tag received by the RFID reader. The distance between the RFID tag and the RFID reader is measured according to the strength of the received RFID tag signal, and then positioning calculation is carried out according to corresponding data, so as to judge the connection quality and whether the broadcast transmission strength is increased or not;
dBm: decibel milliwatt dBm, decibel relative to one milliwatt, is an absolute value that refers to power, and is different from dB, which is simply a relative value;
as shown in FIG. 1, in one embodiment of the present invention, the present invention provides a warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues, comprising the steps of:
s1, arranging a plurality of RFID reading systems in containers of a plurality of shelves in a warehouse in a one-to-one correspondence manner;
each RFID reading system comprises a single RFID Reader and a plurality of antennas; each antenna is respectively arranged in a layer of counter corresponding to the goods shelf;
s2, setting a scanning mode, a positioning priority sequence and a delay time of each RFID reading system;
the scanning mode of the RFID reading system comprises the following steps:
11-a traffic pattern: performing first delay scanning on the RFID tag, and counting the first delay scanning time into the total scanning time, if no new RFID tag information exists in the first delay scanning time, stopping scanning, otherwise, obtaining a reading result of the RFID tag in the 11-a state, changing the read RFID tag into the 11-b state, and not reading until the total scanning time is over, and changing the tag in the 11-b state into the 11-a state;
12-ab traffic pattern, wherein the 12-ab traffic pattern comprises a 12-a traffic sub-pattern and a 12-b traffic sub-pattern:
12-a traffic sub-mode: receiving a 12-a instruction, performing second delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the second delay scanning time, otherwise obtaining a 12-a state tag reading result, changing the read RFID tag state into a 12-b state until the 12-b instruction is received or the preset distance away from the antenna exceeds the preset distance time, and changing the 12-b state RFID tag state into the 12-a state;
12-b traffic sub-mode: receiving a 12-b instruction, carrying out third delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the third delay scanning time, otherwise obtaining a 12-a state tag reading result, and only when the 12-a instruction is received, modifying the corresponding RFID tag state into a 12-a state, and keeping the 12-b state all the time;
the positioning priority order of the RFID reading system is determined according to the distance between the RFID tag and each antenna, the closer the RFID tag is to the antenna, the larger the RSSI value is, and the farther the RFID tag is to the antenna, the smaller the RSSI value is;
in this embodiment, if the 11-a service mode is selected, the delay time is 2000ms, and if the 12-ab service mode is selected, the delay time is 800ms;
s3, adding an acousto-optic prompt module for each RIFD tag;
the sound-light prompting module comprises a buzzer and an LED lamp; each RFID tag is respectively connected with a buzzer and an LED lamp in series; the tag data of each RFID tag is composed of 16-system numbers, and sequentially comprises a main data area, an auxiliary data area, a global unique ID code area and a password area, wherein the data at the fourth byte of the auxiliary data area or the password area is used for triggering the RFID tag to output 2V voltage driving buzzer and LED lamp;
s4, inventory and positioning based on delay scanning and label acousto-optic prompt are completed based on each RFID reading system and each RIFD label;
the step S4 includes the steps of:
s41, scanning target RFID labels in a shelf based on each RFID reading system according to a preset scanning mode, a positioning priority sequence and a delay time to obtain an RFID label scanning result, wherein the RFID label scanning result comprises a plurality of RFID label data;
s42, judging whether repeated RFID tag data exist in the scanning result, if so, entering a step S43, otherwise, entering a step S45;
s43, obtaining RSSI values detected by antennas in different container layers of a plurality of different shelves by using antennas in different container layers of different shelves;
s44, selecting a container number corresponding to the largest RSSI value as a target container number;
s45, according to the antenna corresponding to the RFID data tag without repetition, obtaining a container number corresponding to the RFID data tag without repetition, and taking the container number as a target container number;
s46, transmitting label data of the sounding and lighting prompt module to the RFID label in the target container number to make the target RFID label sound and lighting prompt, and finishing inventory and positioning based on delay scanning and label sound and lighting prompt.
According to the warehouse inventory and positioning method based on delay scanning and label acousto-optic prompt, inventory of goods shelf consumable materials is carried out by adopting the technology of RFID Reader and RFID label communication, the scanning mode and the positioning priority order of an RFID reading system are provided, the serial scanning problem between goods shelves is solved, and the positioning problem of consumable materials under multiple goods shelves is solved through label information and an acousto-optic prompt module added for RFID labels.

Claims (6)

1. A storehouse inventory and positioning method based on delay scanning and label acousto-optic prompt is characterized by comprising the following steps:
s1, arranging a plurality of RFID reading systems in containers of a plurality of shelves in a warehouse in a one-to-one correspondence manner;
s2, setting a scanning mode, a positioning priority sequence and a delay time of each RFID reading system;
s3, adding an acousto-optic prompt module for each RIFD tag;
s4, inventory and positioning based on delay scanning and label acousto-optic prompt are completed based on each RFID reading system and each RIFD label.
2. The warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues as claimed in claim 1, wherein each of said RFID reading systems includes a single RFID Reader and a plurality of antennas; each antenna is respectively arranged in a layer of counter corresponding to the goods shelf.
3. The warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues as claimed in claim 2, wherein the scanning mode of the RFID reading system comprises:
11-a traffic pattern: performing first delay scanning on the RFID tag, and counting the first delay scanning time into the total scanning time, if no new RFID tag information exists in the first delay scanning time, stopping scanning, otherwise, obtaining a reading result of the RFID tag in the 11-a state, changing the read RFID tag into the 11-b state, and not reading until the total scanning time is over, and changing the tag in the 11-b state into the 11-a state;
12-ab traffic pattern, wherein the 12-ab traffic pattern comprises a 12-a traffic sub-pattern and a 12-b traffic sub-pattern:
12-a traffic sub-mode: receiving a 12-a instruction, performing second delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the second delay scanning time, otherwise obtaining a 12-a state tag reading result, changing the read RFID tag state into a 12-b state until the 12-b instruction is received or the preset distance away from the antenna exceeds the preset distance time, and changing the 12-b state RFID tag state into the 12-a state;
12-b traffic sub-mode: and (3) receiving a 12-b instruction, carrying out third delay scanning on the RFID tag, stopping scanning if no new RFID tag information exists in the third delay scanning time, otherwise, obtaining a 12-a state tag reading result, and only when the 12-a instruction is received, modifying the corresponding RFID tag state into a 12-a state, and further keeping the 12-b state all the time.
4. The warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues as claimed in claim 3, characterized in that the location priority of the RFID reading system is determined according to the distance between the RFID tag and each antenna, the closer the RFID tag is to the antenna, the larger the RSSI value, and the farther the RFID tag is to the antenna, the smaller the RSSI value.
5. The warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues as claimed in claim 4, wherein the acousto-optic cues module comprises a buzzer and an LED lamp; each RFID tag is respectively connected with a buzzer and an LED lamp in series; the tag data of each RFID tag is composed of 16-system numbers, and the tag data sequentially comprises a main data area, an auxiliary data area, a global unique ID code area and a password area, wherein the data at the fourth byte of the auxiliary data area or the password area is used for triggering the RFID tag to output 2V voltage driving buzzer and LED lamp.
6. The warehouse inventory and location method based on time-lapse scanning and tag acousto-optic cues as claimed in claim 5, wherein said step S4 includes the steps of:
s41, scanning target RFID labels in a shelf based on each RFID reading system according to a preset scanning mode, a positioning priority sequence and a delay time to obtain an RFID label scanning result, wherein the RFID label scanning result comprises a plurality of RFID label data;
s42, judging whether repeated RFID tag data exist in the scanning result, if so, entering a step S43, otherwise, entering a step S45;
s43, obtaining RSSI values detected by antennas in different container layers of a plurality of different shelves by using antennas in different container layers of different shelves;
s44, selecting a container number corresponding to the largest RSSI value as a target container number;
s45, according to the antenna corresponding to the RFID data tag without repetition, obtaining a container number corresponding to the RFID data tag without repetition, and taking the container number as a target container number;
s46, transmitting label data of the sounding and lighting prompt module to the RFID label in the target container number to make the target RFID label sound and lighting prompt, and finishing inventory and positioning based on delay scanning and label sound and lighting prompt.
CN202310136388.7A 2023-02-07 2023-02-07 Storehouse inventory and positioning method based on time delay scanning and label acousto-optic prompt Pending CN116090956A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117077717A (en) * 2023-08-16 2023-11-17 广州浩安智能科技有限公司 RFID antenna positioning and indicating system and method for open shelf

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117077717A (en) * 2023-08-16 2023-11-17 广州浩安智能科技有限公司 RFID antenna positioning and indicating system and method for open shelf

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