CN111700395A - Commodity shelf and warehouse management system using same - Google Patents
Commodity shelf and warehouse management system using same Download PDFInfo
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- CN111700395A CN111700395A CN202010392167.2A CN202010392167A CN111700395A CN 111700395 A CN111700395 A CN 111700395A CN 202010392167 A CN202010392167 A CN 202010392167A CN 111700395 A CN111700395 A CN 111700395A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B55/00—Cabinets, racks or shelf units, having essential features of rigid construction
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/02—Shelves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
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- 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
- G06K17/0029—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 the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
Abstract
The invention relates to a commodity shelf, which comprises a shelf body and an RFID device; the rack body comprises a plurality of shelves; the RFID device comprises an RFID reader-writer, an automatic triggering module, a shelf controller and a shelf master controller. The RFID reader-writer is used for reading or writing information of the RFID label on the article; the automatic triggering module is used for generating a triggering signal according to the action of the goods on the shelves or the goods off the shelves; the interaction module is used for displaying the state of goods on shelves or off shelves, inquiring information and acquiring a manual trigger signal/inquiry signal; the shelf controller is used for controlling the RFID reader-writer based on the automatic triggering module or the interaction module; the commodity shelf master controller is used for controlling the shelf controller. A warehouse management system comprises the storage rack, a background server and RFID tags arranged on articles. The invention can automatically identify and debug the goods in the goods loading and unloading processes, reduce the error rate and the manual intervention degree in the goods storage process and improve the management level of the goods storage.
Description
Technical Field
The invention relates to the field of material storage management, in particular to a storage rack and a storage management system suitable for files, books, materials, commodities and the like.
Background
In many fields, warehousing and management of materials is involved.
For example, paperless storage and management systems have been a trend in modern archive-type storage and management systems because paperless archives are convenient to store, retrieve, and backup, providing great convenience for use and review. Even if the archival content increases over time, the physical volume they occupy does not increase proportionally. However, due to the historical persistence, in many scenes, the physical archives are still the main objects of use, such as various data and data existing on paper materials in various archives for a century, medical records in various hospitals for decades, and abundant library collections in various levels of libraries. Therefore, a great deal of manual intervention is needed for the management activities of putting books and files on shelves, putting books and files off shelves, lending books, returning books and sorting books and files.
Two-dimensional codes, magnetic stripes, Radio Frequency Identification (RFID), and other technologies have emerged, which, in conjunction with computer database management, have greatly facilitated the querying and borrowing of archives. However, such convenience is embodied in the borrowing and returning links, and if errors occur in the shelving, storing and shelving processes in a shop, much manpower is still consumed to remove the errors. With the increasing of archives, the occupied physical volume is also increasing, and managers also need to be equipped continuously. If the borrowing amount is increased on a par, the probability of errors of putting on and putting off shelves is increased. These disadvantages are due to the fact that the conventional bookshelf or shelf management mode cannot introduce real-time identification and error-removing functions for files and books.
Disclosure of Invention
The invention aims to provide a commodity shelf and a warehousing system using the same, which can identify and debug articles in real time in the processes of loading and unloading the articles, thereby reducing the error rate in the process of warehousing the articles and reducing the manual intervention degree.
In order to achieve the purpose, the invention adopts the technical scheme that:
a commodity shelf comprises a shelf body and an RFID device;
the rack body comprises a plurality of shelves for placing articles;
the RFID device includes:
the RFID reader-writer is arranged on the shelf, a plurality of RFID reader-writers are arranged on each shelf, and the RFID reader-writers are used for reading information of RFID tags equipped on the articles placed on the shelves under the control of tag reading signals and writing information of the RFID tags equipped on the articles placed on the shelves under the control of tag writing signals;
the automatic triggering module is arranged on the shelf and used for generating a triggering signal according to the action of putting the articles on or off the shelf;
the interaction module is arranged on the shelf and used for displaying the state of the articles on or off the shelf according to the state display signal, displaying query information according to the information display signal and acquiring a manual trigger signal/query signal;
the shelf controller is respectively connected with the RFID reader-writer, the automatic triggering module and the interaction module on the shelf corresponding to the shelf controller, and is used for sending out the tag reading signal according to the triggering signal or the manual triggering signal, acquiring information read by the RFID reader-writer, judging whether the articles placed on the shelf are changed according to the information read by the RFID reader-writer, generating a change report when the articles are changed, uploading the change report, receiving and issuing the tag writing signal to the RFID reader-writer, sending out a tag writing confirmation signal after the RFID reader-writer finishes information writing, inquiring information based on the inquiry signal, generating an information display signal, receiving a state signal of the upper shelf state or the lower shelf state of the articles, and correspondingly generating the state display signal;
and the commodity shelf master controller is connected with the shelf controller and is used for transmitting the change report, sending out the label writing signal or carrying out attribute modification according to the received query modification signal, returning a master control modification confirmation signal, transmitting the writing confirmation signal and transmitting the state signal.
The management range of the RFID reader-writer on each shelf covers the shelf, and the maximum radiation direction of the antenna of the RFID reader-writer is vertical to the shelf.
The automatic triggering module comprises:
the vibration sensor is arranged on the shelf and used for detecting the vibration of the shelf and sending a vibration induction signal as the trigger signal when the shelf vibrates;
and/or
The weight sensor is arranged on the shelf and used for sensing the weight change on the shelf and sending a weight induction signal as the trigger signal when the weight on the shelf changes.
The interaction module comprises:
the indication key is used for displaying the state of the article on the shelf or off the shelf according to the state display signal and acquiring the manual trigger signal;
and the touch display panel is used for displaying query information according to the information display signal and acquiring the query signal.
The shelf controller is communicated with the commodity shelf master controller through an industrial bus.
A warehouse management system for storing and managing items, the warehouse management system comprising:
the shelf is the shelf;
the background server is in remote communication with a master shelf controller of the shelf and is used for acquiring the change report, judging whether the goods on the shelf are correct or not based on the change report and generating the state signal, judging the state of the goods off the shelf based on the change report and generating the state signal, updating the information of the goods placed on the shelf based on the change report, sending the query modification signal according to the query modification instruction, receiving the master control modification confirmation signal and receiving and feeding back the write-in confirmation signal;
an RFID tag provided on an article placed on the shelf.
The warehouse management system further comprises:
and the control terminal is communicated with the background server and is used for sending the query instruction.
And the shelf master controller of the shelf is remotely communicated with the background server through a wired Ethernet or a wireless Wi-Fi access network.
The warehouse management system is provided with a report change working mode and an inquiry management working mode;
under the report change working mode, the working process of the warehousing management system comprises the following steps:
step (1); when articles are put on or off the shelf, the triggering module sends out the triggering signal or the interaction module sends out the manual triggering signal to awaken the shelf controller in a dormant state, and then the step (2) is executed;
step (2): the shelf controller sends out the label reading signal and then executes the step (3);
and (3): the RFID reader-writer reads RFID tags equipped to the articles placed on the shelf, uploads the read information to the shelf controller, and then executes the step (4);
and (4): the shelf controller acquires the information read by the RFID tag, judges whether the articles placed on the shelf change or not according to the information read by the RFID reader-writer, generates the change report and executes the step (5) if the articles change, and returns to the dormant state if the articles do not change;
and (5): the commodity shelf master controller receives and uploads the change report to the background server, and then step (6) is executed;
and (6): the background server receives the change report, updates the information of the articles placed on the article rack stored by the background server, judges whether the articles are put on the shelf or put off the shelf according to the change report, judges whether the articles are put on the shelf correctly according to the information read by the RFID reader-writer to generate the state signal corresponding to the articles put on the shelf if the articles are put on the shelf, generates the state signal corresponding to the confirmed articles put off the shelf if the articles are put off the shelf, and then executes the step (7);
and (7): the shelf master controller receives the status signal and routes it to the shelf controller, and then performs step (8);
and (8): the shelf controller generates the state display signal according to the state signal and transmits the interaction module, and then executes the step (9);
and (9): the interaction module displays the state of the article on or off the shelf based on the state display signal;
in the query management working mode, the working process of the warehouse management system comprises the following steps:
the method comprises the following steps: the background server receives the query modification instruction, sends out a query modification signal according to the query modification instruction, and then executes the step II;
step two: the master controller of the commodity shelf receives the query modification signal, modifies the attribute and generates a master control modification confirmation signal and then executes the step three, or generates a tag writing signal and then executes the step four;
step three: the background server receives and feeds back the master control modification confirmation signal;
step IV: the shelf controller receives and sends the label writing signal to the RFID reader-writer, and then the fifth step is executed;
step five: the RFID reader writes information into RFID tags equipped to the articles placed on the shelf, and then executes a step (sixty);
step (c): after the RFID reader-writer finishes writing information, the shelf controller sends out a tag writing confirmation signal, and then step (c) is executed;
step (c): the master controller of the commodity shelf receives and uploads the writing confirmation signal, and then the step ((R)) is executed;
step (v): and the background server receives and feeds back the writing confirmation signal.
And in the query management working mode, after receiving the label writing signal, the shelf controller sends an indication signal to the interaction module, and the interaction module indicates the position information of the RFID label to be written with information according to the indication signal.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention can automatically identify and debug the goods in the processes of loading and unloading the goods, thereby reducing the error rate and the manual intervention degree in the goods storage process and improving the management level of the goods storage.
Drawings
Fig. 1 is a frame body schematic view of the shelf of the present invention.
Fig. 2 is a frame body schematic view of the shelf of the present invention.
Fig. 3 is a top view of the shelf of the present invention.
Fig. 4 is a front view of the shelf of the present invention.
Fig. 5 is a schematic diagram of the arrangement of RFID tags in the warehouse management system of the present invention.
Fig. 6 is a block diagram of an implementation of the RFID device in the shelf of the present invention.
In the above drawings: 1. a shelf; 2. a shelf; 3. an RFID reader; 4. a weight sensor; 5. a vibration sensor; 6. an indication key; 7. a touch display panel; 8. an RFID tag.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.
The first embodiment is as follows: a commodity shelf comprises a shelf body and an RFID device. In this embodiment, a file rack for storing files/medical records is taken as an example.
As shown in fig. 1 and 2, the rack body includes a plurality of shelves 1/2 horizontally arranged for placing articles, and the same shelf 1/2 may be divided by a plurality of vertically arranged baffles.
The RFID device is a one-to-many device identification (RFID) system, which includes an RFID reader/writer 3, an auto-triggering module, an interaction module, a shelf controller, and a shelf master controller, wherein at least the RFID reader/writer 3, the auto-triggering module, and the interaction module are mounted on a shelf 1/2. For a shelf, it typically includes a shelf master controller, one or more shelf controllers, and multiple RFID readers 3.
The RFID reader/writers 3 are arranged on the shelf 1/2, one or more RFID reader/writers 3 are arranged on each shelf 1/2 according to the difference of the area of the shelf 1/2, the management range of each RFID reader/writer 3 is shown as a dotted line square in fig. 3, the management range of the RFID reader/writer 3 on each shelf 1/2 covers the shelf 1/2, and the maximum radiation direction of the antenna of the RFID reader/writer 3 is vertical to the shelf 1/2. The management ranges of two adjacent RFID readers 3 on each shelf 1/2 are partially overlapped for providing redundant identification function for items placed in the area, and the total management range of each RFID reader 3 covers the whole shelf 1/2, so that any position on the shelf 1/2 can be identified without missing detection and without hard requirement on the size of the items. Fig. 3 shows 5 RFID readers 3 and their corresponding management ranges, and actually, each shelf 1/2 is not limited to be equipped with 5 RFID readers 3, and can be designed according to the size of the shelf 1/2, and can also be designed according to the characteristics of the articles held by the shelf, by arranging multiple-beat and multiple-row RFID readers 3 and their corresponding management ranges. The RFID reader/writer 3 is configured to read information from the RFID tag 8 attached to the article placed on the shelf 1/2 under the control of a read tag signal, and to write information into the RFID tag 8 attached to the article placed on the shelf 1/2 under the control of a write tag signal.
The automatic trigger module is arranged on the shelf 1/2 and is used for generating a trigger signal according to the action of shelving or shelving items. The auto-triggering module comprises a vibration sensor 5 and/or a weight sensor 4. Vibration sensor 5 is disposed on shelf 1/2 for detecting vibration of shelf 1/2 and emitting a vibration sensing signal as a trigger signal when shelf 1/2 vibrates. Weight sensor 4 is disposed on shelf 1/2 for sensing weight change on shelf 1/2 and sending a weight sensing signal as a trigger signal when weight on shelf 1/2 changes. In fig. 3, 4 weight sensors 4 are shown, but not limited to 4, and one weight sensor 4 may be mounted on each of the pressure-bearing fixing members on the barrier, so that each weight sensor 4 contacts with the shelf 1/2 to sense the weight change on the shelf 1/2, and the weight sensing signal sent by the weight sensor 4 is one of the triggering signals for triggering the function of the RFID reader/writer 3. The vibration sensors 5 may be provided at both the middle and both ends of the shelf 1/2, and 3 vibration sensors 5 are shown in fig. 3 to be provided, but not limited to 3. The vibration sensor 5 senses vibration during the loading and unloading of the article, and the vibration sensing signal emitted by the vibration sensor is also one of the triggering signals for triggering the function of the RFID reader-writer 3.
The interaction module is arranged on the shelf 1/2 and is mainly positioned on the front side of the shelf 1/2, as shown in fig. 4, the interaction module is used for displaying the state of articles on shelves or off shelves according to the state display signal, displaying query information according to the information display signal, and acquiring a manual trigger signal/query signal. The interaction module comprises two parts, respectively an indication key 6 and a touch display panel 7. The indication key 6 has indication and button functions, wherein the indication function is used for displaying the states of the articles on shelves or off shelves according to the state display signals, namely indicating the confirmation of the articles on shelves and off shelves, and simultaneously giving alarm prompt to the articles with shelves on wrong shelves, including prompt information of indicating on-site article off shelf operation, correct or wrong shelves on shelves and the like; the button function is used for acquiring a manual trigger signal, namely, manually triggering the function of the RFID reader-writer 3. Each of the indication keys 6 is provided corresponding to a management range of one of the RFID readers 3, and is used to display a state of the management range corresponding to the RFID reader 3 and perform a control operation on the RFID reader 3. Therefore, 5 indication keys 6 are shown in fig. 4, and the actual implementation is not limited to 5. The touch display panel 7 is used for displaying query information and acquiring query signals according to the information display signals, so that more interactive query and error prompt functions are provided. It can be LCD technology, also can be LED technology. On the same shelf 1/2, a plurality of touch display panels 7, 2 as shown in fig. 4, may be provided.
The above-described solution is a shelf 1/2 with a recognition function that can recognize and process an individual item (file/book, etc.) placed thereon one by one.
As shown in fig. 6, the shelf controller is connected to the RFID reader/writer 3, the auto-triggering module, and the interaction module on the corresponding shelf 1/2. Each shelf 1/2 may contain one or more shelf controllers depending on the size, or one shelf controller may correspond to multiple shelves 1/2. Each shelf controller manages several RFID readers 3 as well as a vibration sensor 5, a weight sensor 4, a touch display panel 7, an indication key 6, and the like. The functions of the shelf controller include: sending out a tag reading signal according to the trigger signal or the manual trigger signal, acquiring information read by the RFID reader/writer 3, judging whether the article placed on the shelf 1/2 is changed according to the information read by the RFID reader/writer 3, generating a change report when the article is changed, uploading the change report, receiving and issuing a tag writing signal to the RFID reader/writer 3, sending out a tag writing confirmation signal after the RFID reader/writer 3 completes information writing, inquiring information based on the inquiry signal and generating an information display signal, receiving a state signal of an article on-shelf or off-shelf state, and correspondingly generating a state display signal.
The shelf master controller (file shelf controller) is connected with one or more shelf controllers through an industrial bus for communication, and is used for transmitting a change report, sending a label writing signal or performing attribute modification according to a received query modification signal, returning a master control modification confirmation signal, transmitting a writing confirmation signal and transmitting a state signal.
The warehousing management system based on the shelf components comprises a plurality of shelf, a background server and a plurality of RFID tags 8.
As shown in fig. 5, the RFID tag 8 is provided on an item placed on a shelf, generally at the bottom of the item, with the maximum radiation direction of its antenna perpendicular to the shelf 1/2. The RFID tag 8 may respond to broadcast queries, report its presence to the shelf 1/2RFID reader 3 using a collision avoidance mechanism, or may make a decision based on a designated tag address sent by the reader. Responding to the report if the self address is met, and silencing if the self address is not met. The articles can be books, folders, bagged files, boxed files and other various forms.
The background server is in remote communication with a main shelf controller of the shelf to realize information interaction, and the main shelf controller is in remote communication with the background server through a wired Ethernet or a wireless Wi-Fi access network. The background server is used for acquiring the change report, judging whether the goods on the shelf are correct or not based on the change report and generating a state signal, judging the state of the goods on the shelf based on the change report and generating a state signal, updating the information of the goods placed on the shelf based on the change report, sending out an inquiry modification signal according to the inquiry modification instruction, receiving a master control modification confirmation signal, and receiving and feeding back a write-in confirmation signal.
In addition, the warehouse management system can further comprise a control terminal, and the control terminal is communicated with the background server and used for sending out a query instruction. The control terminal can be a network terminal, a handheld network access device, an authorized mobile phone APP interface program and the like.
The warehouse management system has two working modes, namely a report change working mode from bottom to top and a query management working mode from top to bottom.
Under the report change working mode, the working process of the warehousing management system comprises the following steps:
step (1); in general, when no article is put on or off the shelf, all controllers (including a total shelf controller and a shelf controller) on the shelf are in a dormant state. When the articles are put on or off the shelf, the triggering module sends out a triggering signal or the interaction module sends out a manual triggering signal to awaken the shelf controller in the dormant state, and then the step (2) is executed.
The method comprises the following steps: if the article is put on or off the shelf, the vibration sensor 5 detects the vibration, and the weight sensor 4 sends a trigger signal to trigger the shelf controller to enter a scanning state after detecting the weight change. If the manager presses the indicator button 6 on shelf 1/2, the wake-up shelf controller is manually triggered to enter the scan state.
Step (2): the shelf controller sends out a tag reading signal to each RFID reader-writer 3 it controls, and then performs step (3).
And (3): the RFID reader/writer 3 reads the RFID tags 8 provided to the articles placed on the shelf 1/2 under the control of the tag reading signal, thereby realizing the scanning recognition of the RFID tags 8 within the control range of each RFID reader/writer 3 under the management of the shelf controller, and uploads the read information to the shelf controller, and then step (4) is performed.
And (4): the shelf controller acquires information read by the RFID tag 8, caches a current reading result, and determines whether the article placed on the shelf 1/2 changes according to the information read by the RFID reader/writer 3 and previous cached data, that is, identifies an increased or decreased individual RFID tag 8 and obtains corresponding information, if there is a change, generates a change report and executes step (5), and if there is no change (that is, false triggering, no increase or decrease of individual RFID tag 8 is found), returns to a sleep state.
And (5): the shelf master controller is awakened by the shelf controllers, receives the change reports uploaded by one or more shelf controllers, updates the self cache results, uploads the change reports to a background server, and then executes the step (6).
And (6): the background server receives the change report, updates the information of the articles placed on the article rack stored by the background server, records the changed individual RFID tag 8, and judges whether the articles are put on or taken off the shelf according to the change report. If the article is put on shelf, judging whether the article is put on shelf correctly according to the information (including putting position and individual attribute) read by the RFID reader-writer 3 to generate a state signal corresponding to the article put on shelf; if the article is placed, recording the log file and the corresponding data path, generating a state signal for confirming that the article is placed, and then executing the step (7).
And (7): the shelf master controller receives the status signal and routes it to one or more corresponding shelf controllers, and then performs step (8).
And (8): the shelf controller generates a status display signal according to the status signal and transmits the interactive module, and then performs step (9).
And (9): the interactive module displays the state of the goods on the shelf or off the shelf based on the state display signal, and displays information such as the correctness of the goods on the shelf or the confirmation of the goods off the shelf through the indicating key 6 and/or the touch display panel 7.
In the query management working mode, the working process of the warehouse management system comprises the following steps:
the method comprises the following steps: and the manager or the user sends an inquiry modification instruction to the background server through the control terminal, wherein the inquiry modification instruction can be a service for searching for or modifying the property of the commodity shelf and inquiring or modifying the individual property of the RFID tag 8, the background server receives the inquiry modification instruction, sends an inquiry modification signal according to the inquiry modification instruction, sends the inquiry modification signal to the corresponding commodity shelf master controller according to the authority setting, and then executes the step II.
Step two: the master controller of the commodity shelf receives the inquiry modification signal, modifies the attribute according to the service requirement and generates a master control modification confirmation signal to execute the step III, or generates a tag writing signal to execute the step IV.
Step three: and the background server receives the master control modification confirmation signal and feeds the master control modification confirmation signal back to the control terminal.
Step IV: the shelf controller receives and sends a tag writing signal to the corresponding RFID reader/writer 3, and then the fifth step is executed. At this time, after receiving the tag writing signal, the shelf controller may also send an indication signal to the interaction module, so that the interaction module indicates the position information of the RFID tag 8 to be written with information according to the indication signal (through the indication key 6 and the touch display panel 7), thereby facilitating the positioning and searching of the manager.
Step five: the RFID reader/writer 3 writes information on the RFID tag 8 provided to the article placed on the shelf 1/2, and then performs step (c).
Step (c): after the RFID reader/writer 3 completes writing information, the shelf controller sends a tag write confirmation signal, and then step (c) is performed.
Step (c): the master controller of the shelf receives and uploads the writing confirmation signal, and then the step (b) is executed.
Step (v): the background server receives the write-in confirmation signal, the returned information is recorded by the background server and feeds back the write-in confirmation signal to the control terminal, and the service state is displayed on the control terminal which initiates the service.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An article rack, which is characterized in that: the commodity shelf comprises a shelf body and an RFID device;
the rack body comprises a plurality of shelves for placing articles;
the RFID device includes:
the RFID reader-writer is arranged on the shelf, a plurality of RFID reader-writers are arranged on each shelf, and the RFID reader-writers are used for reading information of RFID tags equipped on the articles placed on the shelves under the control of tag reading signals and writing information of the RFID tags equipped on the articles placed on the shelves under the control of tag writing signals;
the automatic triggering module is arranged on the shelf and used for generating a triggering signal according to the action of putting the articles on or off the shelf;
the interaction module is arranged on the shelf and used for displaying the state of the articles on or off the shelf according to the state display signal, displaying query information according to the information display signal and acquiring a manual trigger signal/query signal;
the shelf controller is respectively connected with the RFID reader-writer, the automatic triggering module and the interaction module on the shelf corresponding to the shelf controller, and is used for sending out the tag reading signal according to the triggering signal or the manual triggering signal, acquiring information read by the RFID reader-writer, judging whether the articles placed on the shelf are changed according to the information read by the RFID reader-writer, generating a change report when the articles are changed, uploading the change report, receiving and issuing the tag writing signal to the RFID reader-writer, sending out a tag writing confirmation signal after the RFID reader-writer finishes information writing, inquiring information based on the inquiry signal, generating an information display signal, receiving a state signal of the upper shelf state or the lower shelf state of the articles, and correspondingly generating the state display signal;
and the commodity shelf master controller is connected with the shelf controller and is used for transmitting the change report, sending out the label writing signal or carrying out attribute modification according to the received query modification signal, returning a master control modification confirmation signal, transmitting the writing confirmation signal and transmitting the state signal.
2. The shelf of claim 1, wherein: the management range of the RFID reader-writer on each shelf covers the shelf, and the maximum radiation direction of the antenna of the RFID reader-writer is vertical to the shelf.
3. The shelf of claim 1, wherein: the automatic triggering module comprises:
the vibration sensor is arranged on the shelf and used for detecting the vibration of the shelf and sending a vibration induction signal as the trigger signal when the shelf vibrates;
and/or
The weight sensor is arranged on the shelf and used for sensing the weight change on the shelf and sending a weight induction signal as the trigger signal when the weight on the shelf changes.
4. The shelf of claim 1, wherein: the interaction module comprises:
the indication key is used for displaying the state of the article on the shelf or off the shelf according to the state display signal and acquiring the manual trigger signal;
and the touch display panel is used for displaying query information according to the information display signal and acquiring the query signal.
5. The shelf of claim 1, wherein: the shelf controller is communicated with the commodity shelf master controller through an industrial bus.
6. A warehouse management system for storing and managing items, characterized by: the warehouse management system comprises:
shelf according to any of claims 1 to 5;
the background server is in remote communication with a master shelf controller of the shelf and is used for acquiring the change report, judging whether the goods on the shelf are correct or not based on the change report and generating the state signal, judging the state of the goods off the shelf based on the change report and generating the state signal, updating the information of the goods placed on the shelf based on the change report, sending the query modification signal according to the query modification instruction, receiving the master control modification confirmation signal and receiving and feeding back the write-in confirmation signal;
an RFID tag provided on an article placed on the shelf.
7. The warehouse management system of claim 1, wherein: the warehouse management system further comprises:
and the control terminal is communicated with the background server and is used for sending the query instruction.
8. The warehouse management system of claim 6 or 7, wherein: and the shelf master controller of the shelf is remotely communicated with the background server through a wired Ethernet or a wireless Wi-Fi access network.
9. The warehouse management system of claim 6, wherein: the warehouse management system is provided with a report change working mode and an inquiry management working mode;
under the report change working mode, the working process of the warehousing management system comprises the following steps:
step (1); when articles are put on or off the shelf, the triggering module sends out the triggering signal or the interaction module sends out the manual triggering signal to awaken the shelf controller in a dormant state, and then the step (2) is executed;
step (2): the shelf controller sends out the label reading signal and then executes the step (3);
and (3): the RFID reader-writer reads RFID tags equipped to the articles placed on the shelf, uploads the read information to the shelf controller, and then executes the step (4);
and (4): the shelf controller acquires the information read by the RFID tag, judges whether the articles placed on the shelf change or not according to the information read by the RFID reader-writer, generates the change report and executes the step (5) if the articles change, and returns to the dormant state if the articles do not change;
and (5): the commodity shelf master controller receives and uploads the change report to the background server, and then step (6) is executed;
and (6): the background server receives the change report, updates the information of the articles placed on the article rack stored by the background server, judges whether the articles are put on the shelf or put off the shelf according to the change report, judges whether the articles are put on the shelf correctly according to the information read by the RFID reader-writer to generate the state signal corresponding to the articles put on the shelf if the articles are put on the shelf, generates the state signal corresponding to the confirmed articles put off the shelf if the articles are put off the shelf, and then executes the step (7);
and (7): the shelf master controller receives the status signal and routes it to the shelf controller, and then performs step (8);
and (8): the shelf controller generates the state display signal according to the state signal and transmits the interaction module, and then executes the step (9);
and (9): the interaction module displays the state of the article on or off the shelf based on the state display signal;
in the query management working mode, the working process of the warehouse management system comprises the following steps:
the method comprises the following steps: the background server receives the query modification instruction, sends out a query modification signal according to the query modification instruction, and then executes the step II;
step two: the master controller of the commodity shelf receives the query modification signal, modifies the attribute and generates a master control modification confirmation signal and then executes the step three, or generates a tag writing signal and then executes the step four;
step three: the background server receives and feeds back the master control modification confirmation signal;
step IV: the shelf controller receives and sends the label writing signal to the RFID reader-writer, and then the fifth step is executed;
step five: the RFID reader writes information into RFID tags equipped to the articles placed on the shelf, and then executes a step (sixty);
step (c): after the RFID reader-writer finishes writing information, the shelf controller sends out a tag writing confirmation signal, and then step (c) is executed;
step (c): the master controller of the commodity shelf receives and uploads the writing confirmation signal, and then the step ((R)) is executed;
step (v): and the background server receives and feeds back the writing confirmation signal.
10. The warehouse management system of claim 9, wherein: and in the query management working mode, after receiving the label writing signal, the shelf controller sends an indication signal to the interaction module, and the interaction module indicates the position information of the RFID label to be written with information according to the indication signal.
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| CN202010392167.2A CN111700395A (en) | 2020-05-11 | 2020-05-11 | Commodity shelf and warehouse management system using same |
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