CN110580608A - Intelligent electronic automatic material rack based on radio frequency identification - Google Patents
Intelligent electronic automatic material rack based on radio frequency identification Download PDFInfo
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- CN110580608A CN110580608A CN201910991477.3A CN201910991477A CN110580608A CN 110580608 A CN110580608 A CN 110580608A CN 201910991477 A CN201910991477 A CN 201910991477A CN 110580608 A CN110580608 A CN 110580608A
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- 239000000463 material Substances 0.000 title claims abstract description 573
- 238000004891 communication Methods 0.000 claims abstract description 76
- 239000012776 electronic material Substances 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000013461 design Methods 0.000 abstract description 9
- 238000007726 management method Methods 0.000 description 173
- 238000010586 diagram Methods 0.000 description 9
- 230000006855 networking Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000098700 Sarcocheilichthys parvus Species 0.000 description 1
- WLDHEUZGFKACJH-UHFFFAOYSA-K amaranth Chemical compound [Na+].[Na+].[Na+].C12=CC=C(S([O-])(=O)=O)C=C2C=C(S([O-])(=O)=O)C(O)=C1N=NC1=CC=C(S([O-])(=O)=O)C2=CC=CC=C12 WLDHEUZGFKACJH-UHFFFAOYSA-K 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- B65G1/04—Storage devices mechanical
- B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
- B65G1/1373—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses
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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
- 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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- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to an intelligent electronic automatic material rack based on radio frequency identification, which comprises a plurality of row units, wherein the row units are combined in a hanging mode, the row units comprise 2 surface units with the same parallel combination structure, each surface unit comprises a plurality of layers of units, each layer of unit comprises 2 material management unit modules, the material management unit modules are connected in a cascade mode through serial ports, and the intelligent electronic automatic material rack comprises a material rack management communication module, is arranged on the side surface of the intelligent electronic automatic material rack, is connected with all the material management unit modules and is used for automatically identifying and managing material information. By adopting the intelligent electronic automatic material rack based on radio frequency identification, the product adopts a modular design, can be flexibly combined at will according to the actual use requirement condition, and the identification and management of the material rack management communication module on the material management unit module are automatically completed without manual intervention and configuration.
Description
Technical Field
The invention relates to the field of production equipment, in particular to the field of intelligent production equipment, and specifically relates to an intelligent electronic automatic material rack based on radio frequency identification.
Background
The industrial warehouse is one of industrial buildings for storing various materials required for production, various consumables required for daily life of a factory, and the like in industrial production, and for storing products, protecting products, adjusting supply and demand, and the like in the post-production period.
in order to utilize the space of the warehouse to the maximum extent in the existing industrial warehouse, material shelves for storing materials generally have a certain height, so that warehouse personnel can store the materials to the maximum extent. However, warehouse personnel have a certain risk and difficulty in moving the material to the higher racks.
The traditional common material rack needs manual management, although a semi-automatic use mode that two-dimensional code scanning is put on a shelf and put in storage and material picking is carried out corresponding to an electronic material picking meter is basically adopted. However, because various electronic materials are very various in types and models, the efficiency of manual loading and warehousing of the electronic materials and the material getting of the corresponding production worksheet is usually low, the workload is very large, errors are very easy to occur in the material getting due to manual operation, and the materials can be used online only by being checked for many times when being online.
RFID technology is now well established. The RFID is a non-contact automatic identification technology, which automatically identifies a target object and obtains related data through a radio frequency signal, does not need manual intervention in identification work, and can work in various severe environments. The RFID technology can identify high-speed moving objects and can identify a plurality of labels simultaneously, and the operation is quick and convenient. The RFID consists of an identifier and a plurality of transponders.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the intelligent electronic automatic material rack based on the radio frequency identification, which is intelligent, simple and convenient to operate and wide in application range.
in order to achieve the purpose, the intelligent electronic automatic material rack based on radio frequency identification comprises the following components:
The intelligent electronic automatic material rack based on radio frequency identification is mainly characterized in that the system comprises a plurality of rows of units, the rows of units are combined in a hanging mode, the rows of units comprise 2 units with the same parallel combined structure, each unit comprises a plurality of layers of units, each layer of unit comprises 2 material management unit modules, the material management unit modules are connected in a cascade mode through two serial ports of a main control board of the material management unit modules, each intelligent electronic automatic material rack comprises a material rack management communication module, the material rack management communication module is installed on the side face of the intelligent electronic automatic material rack and is connected with all material management unit modules of the row of units closest to the material rack management communication module, and the material management unit modules are used for automatically identifying and managing material information of the corresponding layer units.
Preferably, the material management unit module comprises a material management unit module front panel and 2 management unit module side panels, wherein the 2 management unit module side panels are all perpendicular to the material management unit module front panel, and the material management unit module front panel and the 2 management unit module side panels form a frame structure surrounded by three surfaces;
the material management unit module also comprises an SMT electronic material tray, and the SMT electronic material tray is arranged in the frame structure and is used for containing the SMT electronic materials packaged in a disc type;
The material management unit module also comprises a material management unit module circuit structure used for realizing material information management and material state monitoring.
Preferably, the material management unit module circuit structure comprises an infrared receiving sensor and an infrared transmitting module, the infrared receiving sensor is mounted on the material management unit module main control circuit board, and the infrared transmitting module is mounted on the other side opposite to the infrared receiving sensor and used for realizing automatic monitoring of the putting operation and the taking operation of materials in the intelligent electronic automatic material rack.
preferably, the material management unit module circuit structure further comprises a material level state indicator light for indicating the state of the material corresponding to the material level, and realizing material racking indication, material picking indication and misoperation indication.
Preferably, the circuit structure of the material management unit module further comprises an RFID reading sensor connected to the main control circuit board of the material management unit module, and configured to read a unique ID, a material number, and a date of leaving factory of a material placed at a corresponding material level.
Preferably, the material management unit module further comprises a material tray driving roller, a material tray driven wheel and a driving motor, wherein the driving motor is connected with the main control circuit board of the material management unit module, and the material tray driving roller is connected with the driving motor and used for enabling the RFID reading sensor to automatically read the ID, the material number and the delivery date of the material and automatically support the material tray to be taken from the front upper side.
preferably, the rack management communication module comprises a network communication module, is connected with an external server and a router, and is used for realizing communication and management between the server and the intelligent electronic automatic material rack.
preferably, the network communication module includes 5 RJ45 network communication interfaces, wherein 1 interface is an upper internet access, 4 interfaces are lower internet access, the upper internet access is connected to a router or a lower internet access of a previous intelligent electronic automatic material rack, and the lower internet access is cascaded to a next intelligent electronic automatic material rack.
preferably, the rack management communication module further comprises a touch display screen connected to the network communication module and configured to set and query the material storage information of the rack.
Preferably, the bottom of the intelligent electronic automatic material rack is provided with a lockable caster wheel for moving and fixing the material rack.
By adopting the intelligent electronic automatic material rack based on radio frequency identification, the product adopts modular design from the row unit, the surface unit, the layer unit and the material management unit module, can be flexibly combined at will according to the actual use requirement condition, and the identification and management of the material rack management communication module to the material management unit module are automatically completed without human intervention and configuration. The current material conditions on all the material racks are recorded in real time in a database of the server, and the database for loading and storing materials and the database for receiving materials and discharging materials are dynamically and automatically updated. When the material on the material frame was taken out illegally, the flash lamp was alternated to red, blue lamp fast to the pilot lamp to send the voice prompt that the material was lost, the timing is notified warehouse keeper, security personnel, also can link video monitoring and record a video, thereby effectively prevent to lose the condition of material and take place.
Drawings
Fig. 1 is a schematic diagram of an intelligent electronic automatic material shelf during material loading according to the invention.
Fig. 2 is a schematic diagram of the intelligent electronic automatic material shelf when the material is not loaded.
FIG. 3 is a schematic diagram of a column unit assembly according to the present invention.
FIG. 4 is a block diagram of a row unit and a material management unit according to the present invention.
Fig. 5 is a block diagram of the material management unit according to the present invention.
Fig. 6 is a schematic structural diagram of a material management unit module according to the present invention.
Fig. 7 is a schematic structural diagram of a material management unit module according to the present invention.
Fig. 8 is a schematic diagram of a rack management communication module according to the present invention.
Fig. 9 is a block diagram of the intelligent electronic automatic material shelf according to the present invention.
Reference numerals:
1 rack B side indicator lamp
2 rack A side indicator lamp
3 rack management communication module
4 anti-corrosion metal frame
5 locking caster
6 material management unit module
7 SMT electronic material tray
8 disc type packaged SMT electronic material
9 front panel of material management unit module
10 material management unit module side panel
11 infrared emission module
12 infrared lamp for monitoring materials on site
13 material tray driven wheel
14 drive motor
15 material disc driving roller
16 material level state indicator lamp
17 Cascade interface (lower connection)
18 cascade interface (upper connection)
19 infrared receiving sensor
20 RFID read sensor
21 touch display screen
22 mounting hook
23 casing upper cover
24 lower cover of shell
25 power interface
26 RJ45 network communication interface
27 multi-serial port combined socket
28 material management unit module main control circuit board
Detailed Description
in order to more clearly describe the technical contents of the present invention, the following further description is given in conjunction with specific embodiments.
The invention relates to an intelligent electronic automatic material rack based on radio frequency identification, which comprises a plurality of row units, wherein the row units are combined in a hanging mode, the row units comprise 2 surface units with the same parallel combination structure, each surface unit comprises a plurality of layers of units, each layer of unit comprises 2 material management unit modules 6, the material management unit modules 6 are connected in a cascade mode through two serial ports of a main control board of the material management unit modules, each intelligent electronic automatic material rack comprises a material rack management communication module 3, the material rack management communication module is installed on the side surface of the intelligent electronic automatic material rack and is connected with all material management unit modules 6 of the row unit closest to the material rack management communication module 3, and the material management unit modules are used for automatically identifying and managing material information of the corresponding layer units.
As a preferred embodiment of the present invention, the material management unit module 6 includes a material management unit module front panel 9 and 2 material management unit module side panels 10, wherein the 2 material management unit module side panels 10 are all perpendicular to the material management unit module front panel 9, and the material management unit module front panel 9 and the 2 material management unit module side panels 10 form a frame structure surrounded by three surfaces;
The material management unit module 6 further comprises an SMT electronic material tray 7, and the SMT electronic material tray 7 is arranged inside the frame structure and used for containing the SMT electronic materials packaged in a tray type;
The material management unit module 6 further comprises a circuit structure of the material management unit module 6, and is used for realizing material information management and material state monitoring.
As a preferred embodiment of the present invention, the circuit structure of the material management unit module 6 includes an infrared receiving sensor 19 and an infrared emitting module 11, the infrared receiving sensor 19 is installed on the main control circuit board 28 of the material management unit module, and the infrared emitting module 11 is installed on the other side opposite to the infrared receiving sensor 19, and is used for realizing automatic monitoring of the material loading operation and the material unloading operation in the intelligent electronic automatic material rack.
As a preferred embodiment of the present invention, the circuit structure of the material management unit module 6 further includes a material level status indicator light 16, which is used for indicating the status of the material corresponding to the material level, and implementing the material racking indication, the material picking indication and the misoperation indication.
As a preferred embodiment of the present invention, the circuit structure of the material management unit module 6 further includes an RFID reading sensor 20, connected to the main control circuit board 28 of the material management unit module, for reading the unique ID, the material number and the date of leaving factory of the material placed at the corresponding material level.
As a preferred embodiment of the present invention, the material management unit module 6 further includes a material tray driving roller 15, a material tray driven wheel 13, and a driving motor 14, the driving motor 14 is connected to the main control circuit board 28 of the material management unit module, and the material tray driving roller 15 is connected to the driving motor 14, and is configured to enable the RFID reading sensor 20 to automatically read an ID, a material number, and a date from factory of a material, and to automatically lift up a material tray to be picked up from the front upper side.
as a preferred embodiment of the present invention, the rack management communication module 3 includes a network communication module, and is connected to an external server and a router, so as to implement communication and management between the server and the intelligent electronic automatic material rack.
As a preferred embodiment of the present invention, the network communication module includes 5 RJ45 network communication interfaces 26, where 1 interface is an upper network port, 4 interfaces are lower network ports, the upper network port is connected to a router or a lower network port of a previous stage of intelligent electronic automatic material rack, and the lower network port is cascaded to a next stage of intelligent electronic automatic material rack.
As a preferred embodiment of the present invention, the rack management communication module 3 further includes a touch display screen 21, connected to the network communication module, and configured to set and query the material storage information of the rack.
in a preferred embodiment of the present invention, the bottom of the intelligent electronic automatic material shelf is provided with lockable casters 5 for moving and fixing the material shelf.
In the specific implementation mode of the invention, the product of the invention comprises a combinable anticorrosive metal frame 4, a material rack management communication module 3, a material management unit module 6, two material rack indicating lamps, lockable casters 5 and the like. Every work or material rest deposits the material and divide into A, B two sides, and an pilot lamp of the top correspondence design of every side for material instruction of putting on the shelf, material picking instruction, maloperation are instructed.
when the material was put on shelf, material management system looked for the adjacent distance automatically and was close and the more material frame of idle material level, corresponded the green slow flash of top indicator lamp of idle material level side, instructed the stockman at this side material of putting on the shelf of this material frame (also can not instruct according to the suggestion of work or material rest dome lamp when the material was put on the shelf, put into any vacant material level to the material). When a material person receives materials, a material management APP on a material receiving mobile phone or a PAD is logged in, a corresponding production work order is selected, a bill of materials needing to be received is obtained, when a certain material is clicked, the system determines the material level of the material needing to be received on each material rack according to set rules (first-in first-out, tailing proportion and the like), the corresponding material tray is supported by 3 centimeters towards the upper part, and a top indicator lamp on the corresponding side of the corresponding material rack is lightened to be blue; if the material level of the materiel member is wrong or the material is taken out of the material level by any other person, the indicating lamp at the top of the corresponding material rack flashes in red, and the corresponding material rack gives a voice prompt of 'wrong material taking'.
The column direction of the material rack adopts a modular design, 1-7 layers can be assembled by a single eye of each column, and the surface A and the surface B of each layer of each column are designed into 2 material management unit modules 6. Two adjacent row unit metal frames can be hung and combined, the number of rows capable of being hung in a cascading mode is theoretically unlimited, and a user can determine the number of the material rack row unit combination hanging according to the actual condition of the storage space. Two adjacent material management unit modules 6 on each layer are cascaded by serial ports. The bottom is designed with a lockable caster 5, which is convenient for the moving and fixing of the material rack.
A surface and B surface of each layer of each row unit are designed into 2 material management unit modules 6, the material management unit modules 6 of each layer are cascaded through serial ports, and the foremost material management unit module 6 of each layer is also connected with the material rack management communication module 3 through the serial ports. The rack management communication module 3 is provided with an RJ45 network communication interface 26, and is used for connecting a router and accessing a server of the material management system, so that the server can communicate with and manage all material racks.
The material management unit is composed of a material management unit module 6 circuit, an SMT electronic material tray 7, a driving motor 14, a material tray driving roller 15, a material tray driven wheel 13, a material on-site monitoring module (an infrared emission lamp and an infrared receiving sensor 19) and an RFID reading sensor 20. The material management unit module comprises a front panel 9, a side panel 10, a cascade interface and the like.
The SMT electronic material tray 7 is used for containing the SMT electronic materials of the disc type package; the material management unit module 6 circuit is designed with an RFID reading sensor 20, an infrared receiving sensor 19 and a cascade interface, the RFID is used for reading the unique ID, the material number and the delivery date of the material placed in the corresponding material level, the infrared receiving sensor 19 is used for detecting whether the material is placed in the material level, and the cascade interface is used for serial connection between the material management unit module 6 circuits in the layer unit and communication connection with the material rack management communication module 3. The material tray driving roller 15 and the material tray driven wheel 13 are used for driving the material tray to rotate (less than one circle) after materials are put into the material level, so that the RFID can automatically read the ID, the material number and the factory date of the materials. The infrared emission module 11 is used for sending infrared rays, and is matched with the corresponding infrared receiving sensor 19 to detect whether the materials are placed into the corresponding material positions. The material tray driven wheel 13 also has the function of automatically supporting the material tray to be taken up towards the front upper side during material taking, so that a material worker can take materials conveniently, and the material tray driven wheel has a foolproof function.
(1) The material is put into the material level and is taken out the material auto-induction discernment:
an infrared receiving sensor 19 is designed at the front panel position of each material level of the material management unit module 6, and an infrared emitting module 11 is designed at the corresponding position at the back. Infrared emission module 11 transmission infrared ray, if the infrared ray receiving sensor 19 of the preceding position of corresponding material level received the infrared ray, then showed that this material level has not put into the material, if the infrared ray receiving sensor 19 of the preceding position of corresponding material level can not receive the infrared ray, the infrared ray of this material level is sheltered from by the material tray promptly, then shows that this material level has put into the material. Thereby realize the automatic monitoring that the material of all material levels of material frame was put into and was taken out to the pilot lamp that corresponds the material level corresponds the state of instructing this material level. (when materials are put in the material level, the green light is always on, and when no materials are put in the material level, the green light is off).
(2) Automatically reading the RFID of the material after the material is put into each material level:
the material management unit module 6 is provided with an RFID reading sensor 20 corresponding to each material level on a circuit, and RFID label pasting and system recording are carried out before each material tray is put on the shelf.
When the infrared automatic monitoring sensor at a certain material level detects that a material is put in, the corresponding motor is controlled to be started to drive the material tray to drive the roller 15 to rotate and drive the material tray to rotate,
When the RFID label pasted on the material tray rotates to the position of the RFID reading sensor 20, the RFID reads the information of the unique ID number, the material number, the factory date and the like of the material loaded with the material level, and the roller is driven to rotate in a customized mode.
And the read RFID information and the material level information confirmed by the infrared sensor are uploaded to the material rack management communication module 3 through a cascade uplink interface of the material management unit module 6, and then uploaded to a server, and the server stores and manages corresponding information.
The automatic reading and system management of information such as unique ID number, material number, delivery date and the like of materials placed in each material level are realized through the mechanism, so that the phenomenon of material racking errors caused by misoperation of a material worker can be avoided, and the work of material racking, material picking and the like is more efficiently and reliably managed automatically.
(3) Flexible networking:
The networking of the intelligent electronic material rack comprises two parts:
a. Networking the material management unit modules 6 in the material rack:
Each material rack is divided into A, B two surfaces, each surface is composed of 1-n column units, each column unit is composed of 1-7 layers, and each layer of each surface is composed of two material management unit modules 6. The material management unit modules 6 on the same layer of each surface are all provided with two serial port communication sockets, all the material management unit modules 6 on the same layer of the same surface are cascaded through serial ports, and the upper serial port of the foremost material management unit module 6 is connected with the material rack management communication module 3. Namely, all the material management unit modules 6 on one side of each layer and the material frame management communication module 3 form a manageable communication network in a serial port cascade connection mode.
The rack management communication module 3 is provided with 14 serial ports, the material management unit module 6 on each layer of each surface is connected with the serial port of the rack management communication module 3 according to a fixed sequence, namely the material management unit module 6 on each layer of each surface corresponds to one fixed serial port of the rack management communication module 3 and is used for addressing layer addresses.
b. Networking a material frame and a material management system server:
Each electronic material shelf is provided with a material shelf management communication module 3 with a touch screen, and the module is respectively connected with each layer of the material shelf divided into A, B surfaces through two groups (7 in each group) of serial ports, so that all material management unit modules 6 on the material shelf are connected into the material shelf management communication module 3.
And the material management communication module of each material rack is also designed with a network communication module which is provided with 5 RJ45 network communication interfaces 26. One of the two ports is an upper networking port, and 4 ports are lower networking ports, the upper networking port is used for being connected with a lower networking port (a cascading port) of a router or a previous-stage electronic material connecting frame, and the 4 lower networking ports are used for being cascaded with other next-stage electronic material connecting frames. All the electronic material racks can be directly connected into a network topology mode of the router without being cascaded, so that a server of the material management system is connected, and the material management system can integrally control all the electronic material racks.
(4) material data network storage and local storage synchronization (data recovery):
The database of the server dynamically records and stores the material storage conditions of all the material shelves, and efficient management of all electronic materials is achieved. Meanwhile, a memory is designed in the material management communication module on each material rack, and all information of the material storage condition on the material rack is synchronously stored. If the database is damaged, the corresponding material information can be synchronously recovered from the material rack to the database of the server; if the material management communication module of the material rack is damaged, the material information stored by the material rack can be automatically downloaded and synchronized from the server after the material rack is replaced, or the material rack refreshes and reads the actual material information, the server checks the actual material information, and the material rack is synchronously stored after the error is confirmed.
(5) Structure modularization and electronic management unit modularization:
The invention adopts a modular design scheme with strong independence in the aspects of structure and circuit design, the basic unit on each material shelf is a material management unit module 6, and each material management unit module 6 can store 10 disks of electronic materials. Each material frame is designed into a plurality of independent row units, the metal frames of two adjacent row units can be directly hung and combined, and the row units which can be hung at most are theoretically unlimited. Each column unit is divided into A, B planes, and each plane can be combined to configure 1-7 layer units; each layer unit of each side can be assembled with 2 "material management unit modules 6". Therefore, the product adopts modular design from the row unit, the surface unit, the layer unit and the material management unit module 6, can be flexibly combined at will according to actual use requirement conditions, and the material rack management communication module 3 automatically identifies and manages all the material management unit modules 6 without human intervention and configuration.
(6) Support outage material to put on shelf
The electronic material rack can also carry out material loading and warehousing operation under the condition of power failure, and a material worker can randomly place the disc-type packaging material adhered with the RFID electronic tag into the idle material level of the material rack. When the power supply is recovered, the material rack management communication module 3 can read the material information of all the material levels filled with the materials again, acquire the latest accurate material storage information and store the latest accurate material storage information into the memory of the material rack management communication module 3, and synchronously update the data of the server. The design ensures that the material shelf can not influence the work of putting materials on shelves in storage under the condition of power failure, has stronger practicability and can effectively improve the work efficiency of putting materials on shelves and putting materials in storage.
(7) The material level address is automatically calculated, and the expansion and the replacement of the material management unit of the material rack do not need to be configured.
The MCU of the material management unit module 6 of the electronic material rack adopts double serial port communication, wherein the serial port 1 is an upper serial port and is used for connecting a lower serial port of the MCU of the upper material management unit module 6 or connecting a layer unit serial port corresponding to the material rack management communication module 3, and the serial port 2 is a lower serial port and is used for connecting an upper serial port of the MCU of the next material management unit module 6. When each material management unit module 6 uploads material information stored in the material level to the material rack management communication module 3, firstly, the address of the module unit of the material management unit module 6 is defined as 0, the address of the material level is 01-10, and the module address is transmitted to the previous-level module through the upper connecting port. When the upper-level material management unit module 6 receives the data of the lower-level module through the lower-link serial port, the received module unit address is automatically added with 1 and then forwarded to the upper-level module, and the address of each forwarding first-level module is added with 1 until the upper-level module uploads the feeding frame management communication module 3. At this time, the module unit address acquired by the rack management communication module 3 is the actual address of the corresponding material management unit module 6, and the rack management communication module 3 correspondingly records and stores the acquired material management unit module address and the material information of each material level. Namely, a mode of 'material management unit module address + material level address' is adopted when data are uploaded, and the operation mode of the material management unit module address +1 is carried out at each uploading stage. The layer unit address and the surface unit address are determined by the serial port address of the material rack management communication module 3.
When the materials are picked, the server determines the material rack address, the surface unit address, the layer unit address, the material management unit module address, the material level address in the material management unit module 6 and other information of the materials to be picked according to a material picking scheduling algorithm for avoiding material picking conflict, first-in first-out, tail material proportion and the like, sends an instruction to light a headlamp at the top of the corresponding material rack to flicker, bounces a driven wheel at the lower side behind the corresponding material level to the front upper side, supports a material disc at the corresponding material level to the front upper side by 3 centimeters, and lights LED (light emitting diode) and other flickering indicating materials picked by a material worker at the specific material level to be picked synchronously. Each material rack has a unique address, and the query can be displayed through the touch screen of the material rack management communication module 3. At this time, the server firstly sends corresponding material receiving information to each material rack needing material receiving, and the material rack lights the LED indicating lamp corresponding to the material level according to the addressing mode of material rack address, surface unit address, layer unit address, material management unit module address and material level address in the material management unit module 6 after obtaining the specific material receiving information. The layer unit address corresponds to the serial port number of the material rack management communication module 3, namely, an instruction is issued to the first material management unit module 6 of the corresponding layer through the corresponding serial port. When each material management unit module 6 receives the instruction sent by the previous level, the address of the material management unit module is reduced by one, and then the address is judged, if the address of the material management unit module is 0, the address of the material management unit module 6 is shown, and the operation treatment is directly carried out corresponding to the material level (for example, an indicator lamp corresponding to the material level is lightened); if the address of the material management unit module is greater than 0 after the subtraction, the address is not the address of the current transportation module, and the instruction needs to be continuously forwarded to the next-stage module. Therefore, the replacement and the expansion of each material management unit module 6 of the electronic material rack are not limited, artificial configuration intervention is not needed, the practicability of the product is greatly enhanced, and the maintenance and the expansion are simple and convenient.
(8) a human-computer interaction interface:
The material rack management communication module 3 is provided with a touch display screen 21 besides communication functions such as a material rack multi-serial-port socket and an RJ45 network interface, and can set and query material storage information of the material rack by operating the touch display screen 21. And material information refreshing and reading, fault diagnosis and server data recovery can be performed through the touch screen.
4. Description of the Material Rack:
(1) Putting materials on shelves and warehousing:
a. The electronic material packaged in the disc type is distributed with a unique RFID code, and the code information comprises a unique ID number, a delivery date and a material number;
b. Pasting the corresponding RFID label to the side designated position of the corresponding material tray;
c. Randomly placing the disc-type packaging material pasted with the RFID label into an idle material level of any material shelf by a material worker; (in principle, materials with the same material number are required to be placed on the same material rack or material racks which are close to each other as much as possible so as to improve the efficiency of loading and picking materials.)
d. after the materials are placed at any material level, the infrared sensor detects that the materials are placed, the motor is started to drive the roller to rotate (the material disc rotates for less than one circle), when the RFID tag rotates to the RFID reading sensor 20, the RFID reading sensor 20 reads the unique ID number, the delivery date and the material number of the materials, and the motor stops rotating;
e. The material management unit module 6 transmits the read material information to the material rack management communication module 3 step by step through the uplink serial port;
f. The material rack management communication module 3 stores the information and uploads the information to a server through a network for database storage.
(2) Material taking and delivery:
a. A material worker logs in a material management system through a material management APP of a mobile phone or a PAD to obtain a material receiving list corresponding to a production work order needing material receiving;
b. When a certain material in the material receiving list is clicked, the system determines the specific material level of the material to be received on each material rack according to set rules (material receiving conflict avoidance, first-in first-out, tailing use proportion and the like), and the top indicator lamp corresponding to the corresponding side of each material rack is turned on blue to prompt a material worker that the material to be received is on the material rack; the algorithm rules of avoiding material receiving conflict, first-in first-out, tailing use proportion and the like can effectively prevent the problems of overdue storage and stay of materials and avoid the possible confusion phenomenon caused by multi-person material receiving of the same material rack.
c. when a material worker receives materials on a certain material rack, the APP of a material receiving mobile phone needs to be used for scanning the material rack address two-dimensional code on the screen of the material rack management communication module 3, and then the materials corresponding to the material level on the material rack can be received. The material receiving method has the advantages that only one material worker is allowed to receive materials at the same time by the same material rack, and only after the material worker receiving the materials on the material rack is finished, other material workers can scan the two-dimensional code address of the material rack to receive the materials, so that the situation that the materials are received in a wrong mode in a crossed mode is prevented. And when the material management system calculates and generates a plurality of material receiving lists, the condition that the same material rack receives materials is avoided preferentially through an algorithm.
d. The material staff draws the material tray that is held up to the front upper side from the driving wheel corresponding to the material level according to the indicator lamp of corresponding material level on the work or material rest, and when the material was taken out, infrared ray sensor detected the material and was taken out. The MCU of the material management unit module 6 sends the signals that the materials have been taken to the material rack management communication module 3 step by step through the upper serial port, and then the signals are sent to the server by the material rack management communication module 3. If the material level of getting the material is wrong, the pilot lamp and the material level pilot lamp that correspond material frame top are red flash to corresponding material frame gives the voice prompt of "material is got the mistake".
(3) Real-time monitoring of material inventory:
The current material conditions on all the material racks are recorded in real time in a database of the server, and in a non-material-receiving state, if the materials are taken out of the material racks, the headlights and the material level indicator lamps on the material racks flash quickly in a red and blue lamp alternating mode, a voice prompt of material loss is sent out, and detailed information of the lost materials is immediately notified to a warehouse manager, security personnel and related leaders. And video recording can be carried out by linkage video monitoring, so that the condition of material loss is effectively prevented.
by adopting the intelligent electronic automatic material rack based on radio frequency identification, the product adopts modular design from the row unit, the surface unit, the layer unit and the material management unit module, can be flexibly combined at will according to the actual use requirement condition, and the identification and management of the material rack management communication module to the material management unit module are automatically completed without human intervention and configuration. The current material condition on all work or material rests is being recorded in real time in the database of server, and the pilot lamp can fast red, blue lamp in turn twinkle to send the voice prompt that the material was lost, timing notice warehouse manager, security personnel, also can link video monitoring and record a video, thereby effectively prevent to lose the condition of material and take place.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (10)
1. an intelligent electronic automatic material shelf based on radio frequency identification is characterized in that the intelligent electronic automatic material shelf comprises a plurality of rows of units, the column units are combined in a hanging mode, each column unit comprises 2 units with the same parallel combination structure, the surface unit comprises a plurality of layers of units, each layer of unit comprises 2 material management unit modules (6), the material management unit modules (6) are connected in cascade through two serial ports of a main control board of the material management unit modules, the intelligent electronic automatic material rack comprises a material rack management communication module (3) which is arranged on the side surface of the intelligent electronic automatic material rack, and all material management unit modules (6) of the row unit closest to the material rack management communication module (3) are connected and used for automatically identifying and managing the material information of the corresponding layer unit.
2. the radio frequency identification-based intelligent electronic automatic material rack according to claim 1, wherein the material management unit module (6) comprises a material management unit module front panel (9) and 2 material management unit module side panels (10), the 2 material management unit module side panels (10) are all perpendicular to the material management unit module front panel (9), and the material management unit module front panel (9) and the 2 material management unit module side panels (10) form a three-side surrounding frame structure;
The material management unit module (6) further comprises an SMT electronic material tray (7), and the SMT electronic material tray (7) is arranged inside the frame structure and used for containing the SMT electronic materials packaged in a disc type;
The material management unit module (6) further comprises a circuit structure of the material management unit module (6) and is used for realizing material information management and material state monitoring.
3. The radio frequency identification-based intelligent electronic automatic material rack according to claim 2, wherein the material management unit module (6) comprises a circuit structure including an infrared receiving sensor (19) and an infrared emitting module (11), the infrared receiving sensor (19) is installed on the material management unit module main control circuit board (28), and the infrared emitting module (11) is installed on the other side opposite to the infrared receiving sensor (19) and is used for realizing automatic monitoring of the putting operation and the taking operation of the material in the intelligent electronic automatic material rack.
4. The radio frequency identification-based intelligent electronic automatic material rack according to claim 3, wherein the material management unit module (6) circuit structure further comprises a material level state indicator lamp (16) for indicating the state of the material corresponding to the material level and realizing material loading indication, material picking indication and misoperation indication.
5. the radio frequency identification-based intelligent electronic automatic material rack according to claim 3, wherein the circuit structure of the material management unit module (6) further comprises an RFID reading sensor (20) connected with the main control circuit board (28) of the material management unit module and used for reading the unique ID, the material number and the factory date of the material placed at the corresponding material level.
6. The radio frequency identification-based intelligent electronic automatic material rack according to claim 3, wherein the material management unit module (6) further comprises a material tray driving roller (15), a material tray driven wheel (13) and a driving motor (14), the driving motor (14) is connected with the material management unit module main control circuit board (28), and the material tray driving roller (15) is connected with the driving motor (14) and used for enabling the RFID reading sensor (20) to automatically read the ID, the material number and the factory date of the material and automatically support the material tray to be picked up from the front upper side.
7. the radio frequency identification-based intelligent electronic automatic material rack according to claim 1, wherein the rack management communication module (3) comprises a network communication module, and is connected with an external server and a router for realizing communication and management between the server and the intelligent electronic automatic material rack.
8. The rfid-based intelligent electronic automatic material rack according to claim 7, wherein the network communication module comprises 5 RJ45 network communication interfaces (26), wherein 1 interface is an upper internet port, 4 interfaces are lower internet ports, the upper internet port is connected to the router or the lower internet port of the upper intelligent electronic automatic material rack, and the lower internet port is cascaded to the next intelligent electronic automatic material rack.
9. The radio frequency identification-based intelligent electronic automatic material rack according to claim 7, wherein the rack management communication module (3) further comprises a touch display screen (21) connected to the network communication module for setting and querying material storage information of the rack.
10. the radio frequency identification-based intelligent electronic automatic material rack according to claim 1, wherein lockable casters (5) are arranged at the bottom of the intelligent electronic automatic material rack and are used for moving and fixing the material rack.
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