CN203232456U - Warehouse cargo management system based on CAN bus and wireless radio frequency - Google Patents
Warehouse cargo management system based on CAN bus and wireless radio frequency Download PDFInfo
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- CN203232456U CN203232456U CN 201320203974 CN201320203974U CN203232456U CN 203232456 U CN203232456 U CN 203232456U CN 201320203974 CN201320203974 CN 201320203974 CN 201320203974 U CN201320203974 U CN 201320203974U CN 203232456 U CN203232456 U CN 203232456U
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Abstract
The utility model discloses a warehouse cargo management system based on a CAN bus and wireless radio frequency. The system comprises a micro controller, a memory which interacts with the micro controller, an RFID reader which is used for reading cargo information, and a CAN bus module which is used for the communication between the micro controller and an upper computer. According to the utility model, combined application of an RFID technology and a CAN bus technology is carried out and wireless communication is realized, so that cargo management is clear, flexible and reliable; the RFID reader of a radio frequency technology is used, so that cargo can be conveniently monitored and warehouse-in and warehouse-out conditions of cargo can be timely understood; due to the fact that CAN bus module has the characteristics of real time, reliability and flexibility, the CAN bus module is selected to realize the communication between the upper computer and a lower computer; and the upper computer can conveniently carry out warehouse cargo information detection and cargo management.
Description
Technical field
The utility model belongs to communication technical field, relates to a kind of system, particularly a kind of warehoused cargo management system based on CAN bus and less radio-frequency of warehoused cargo management.
Background technology
Logistics (logistics) refers to the displacement of goods on room and time, comprises the flow situation in the intermediate links such as outbound warehouse-in of purchasing dispensing, production and processing and warehoused cargo.Along with development economic and that produce, circulation is tending towards many commodity, short run, so the kind of each logistics distribution center and quantity will sharply increase, and the warehoused cargo management is very arduous.And along with China's entry into the WTO, and the continuous development of global operation strategy and supply chain management theory, the importance of storage in logistics strategy improves day by day.So the articles from the storeroom management is core and the key link of logistics management, this just requires warehousing management that the information (such as kind, outbound situation and outbound situation etc.) of goods can be obtained timely, and in time be transferred to host computer reliably, and upper function is the information of time update goods according to circumstances, makes material handling be convenient to visual, real time implementation and flexibility.
Traditional material handling is a kind of papery management, namely carries out the management of goods by order and delivery note; Although further improve again afterwards, namely utilize computing machine to label and information is imported computing machine carry out material handling, along with the increase of logistics capacity, this way to manage still exists very big workload and the high shortcoming of error rate.At present in China, the warehoused cargo management is in labor management or semi-automatic supervisor status substantially, and efficient is not high, and there are certain drawback in its communication modes great majority based on wire communication, can't realize not having the paper operation fully.
The utility model content
The purpose of this utility model is to overcome the problems referred to above, and a kind of warehoused cargo management system based on CAN bus and less radio-frequency is provided, and makes warehoused cargo realize visual, reliabilization and real time implementation in management.
For achieving the above object, the technical scheme that the utility model adopts is: comprise microcontroller, and all with the mutual storer of microcontroller, the CAN bus module that is used for reading the rfid interrogator of goods information and is used for microcontroller and host computer are communicated.
Above-mentioned microcontroller adopts STC89C52.
Above-mentioned rfid interrogator is ultrahigh frequency radio frequency identification (RFID) reader, is made up of electronic tag, antenna and read write line.
Above-mentioned storer is for being used for the E2PROM of stored tag information.
Above-mentioned CAN bus module comprises successively mutual CAN controller, photoelectrical coupler, CAN transceiver and CAN radio receiving transmitting module; Described CAN controller and microcontroller are mutual.
The model of above-mentioned CAN controller is SJA1000.
Above-mentioned photoelectrical coupler adopts the 6N137 photo-coupler.
The model of above-mentioned CAN transceiver is PCA82C250, is the interface of CAN protocol controller and physical bus layer.
The model of above-mentioned CAN radio receiving transmitting module is PTR8000, realizes CAN bus module and host computer radio communication.
Above-mentioned microcontroller also be connected with crystal oscillator HC49 U-S, voltage stabilizing chip LM7805, tri-colour LED, button and hummer.
Than prior art, the utlity model has following beneficial effect:
The utility model is used RFID technology and the combination simultaneously of CAN bussing technique, and realizes radio communication, makes material handling sharpening, flexibility and reliabilization more; Adopt the wireless radio-frequency rfid interrogator, make things convenient for the monitoring of goods, goods is gone out warehouse situation in time understand, because the CAN bus module has real-time, reliability and dirigibility, so select for use the CAN bus module to realize communicating by letter between host computer and the slave computer.Thereby be convenient to host computer to the detection of articles from the storeroom information and the management of goods.
Further, the utility model uses the wireless radio frequency mode of ultrahigh frequency, the advantage of RFID technology can realize contactless identification, can realize once identifying a plurality of article, can adapt to various rugged environments etc., WMS is combined with the RFID technology, saving labour turnover, improving performance enormous function aspect operation accuracy, the speed up processing.
Further, the utility model uses the CAN radio receiving transmitting module, compares with general communication bus, and the data communication of CAN bus has outstanding reliability, real-time, dirigibility and anti-interference.
Description of drawings
Fig. 1 is the utility model module system structural representation;
Fig. 2 is the process flow diagram of the utility model storage management method.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
Referring to Fig. 1, the utility model comprises microcontroller, and all with the mutual E of microcontroller
2PROM, the ultrahigh frequency radio frequency identification (RFID) reader that is used for reading goods information, CAN controller, crystal oscillator HC49 U-S, voltage stabilizing chip LM7805, tri-colour LED, button and hummer.Wherein, microcontroller adopts STC89C52; Described ultrahigh frequency radio frequency identification (RFID) reader is made up of electronic tag, antenna and read write line, and reads for passive type; Described E
2PROM is used for stored tag information, and when communication is gone wrong information directly is transferred to host computer; Described CAN controller and photoelectrical coupler are mutual, and photoelectrical coupler and transceiver are mutual, and transceiver and CAN radio receiving transmitting module are mutual; Wherein, the CAN controller adopts SJA1000; Photoelectrical coupler adopts the 6N137 photo-coupler; The CAN transceiver adopts PCA82C250, is the interface of CAN protocol controller and physical bus layer; The CAN radio receiving transmitting module adopts PTR8000, realizes CAN bus module and host computer radio communication.
Among Fig. 1, rfid interrogator and CAN bus module are by microprocessor controls, and host computer is realized the exchange of data and the renewal of data message the most finally.
The utility model is given every kind of goods the radio frequency label that contains self information, when this goods outbound or warehouse-in, by radio frequency label goods information is transferred to microcontroller by wireless radio frequency antenna and radio frequency read/write, information is saved in E simultaneously
2Among the PROM, the CAN controller is handled and be transferred to microcontroller to the data that receive, the CAN controller sends to the CAN transceiver by photoelectrical coupler, the CAN transceiver sends to host computer by wireless communication module again, host computer is received data, handle, and the data after will handling send to the CAN transceiver by wireless communication module, the CAN transceiver sends to the CAN controller by photoelectrical coupler, the CAN controller is transferred to microcontroller, microcontroller is made amendment to the information in the radio frequency label, realizes that host computer is to the communication of slave computer.
The course of work of the present utility model is:
Referring to Fig. 2, in whole communication, initialization microcontroller at first, SJA1000 and rfid interrogator, initialization is read rfid interrogator after finishing, judge whether that goods has the situation of outbound or warehouse-in to take place, and the data that read are handled, send the data to host computer by CAN controller and CAN transceiver and CAN radio receiving transmitting module, host computer monitors data and analyzes, the data of Fen Xiing and order send to microcontroller the most at last, microcontroller upgrades timely to the data message in the RFID label, plays the effect of real-time monitoring.
The above only is a kind of embodiment of the present utility model, it or not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model instructions is claim of the present utility model and contains.
Claims (10)
1. warehoused cargo management system based on CAN bus and less radio-frequency, it is characterized in that: comprise microcontroller, and all with the mutual storer of microcontroller, be used for reading the rfid interrogator of goods information and be used for microcontroller and CAN bus module that host computer communicates.
2. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 1 is characterized in that: described microcontroller employing STC89C52.
3. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 1, it is characterized in that: described rfid interrogator is ultrahigh frequency radio frequency identification (RFID) reader, is made up of electronic tag, antenna and read write line.
4. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 1 is characterized in that: described storer is for being used for the E of stored tag information
2PROM.
5. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 1, it is characterized in that: described CAN bus module comprises successively mutual CAN controller, photoelectrical coupler, CAN transceiver and CAN radio receiving transmitting module; Described CAN controller and microcontroller are mutual.
6. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 5, it is characterized in that: the model of described CAN controller is SJA1000.
7. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 5 is characterized in that: described photoelectrical coupler employing 6N137 photo-coupler.
8. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 5, it is characterized in that: the model of described CAN transceiver is PCA82C250, is the interface of CAN protocol controller and physical bus layer.
9. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 5, it is characterized in that: the model of described CAN radio receiving transmitting module is PTR8000, realizes CAN bus module and host computer radio communication.
10. the warehoused cargo management system based on CAN bus and less radio-frequency as claimed in claim 1 is characterized in that: described microcontroller also be connected with crystal oscillator HC49 U-S, voltage stabilizing chip LM7805, tri-colour LED, button and hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203974 CN203232456U (en) | 2013-04-23 | 2013-04-23 | Warehouse cargo management system based on CAN bus and wireless radio frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203974 CN203232456U (en) | 2013-04-23 | 2013-04-23 | Warehouse cargo management system based on CAN bus and wireless radio frequency |
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| Publication Number | Publication Date |
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| CN203232456U true CN203232456U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320203974 Expired - Fee Related CN203232456U (en) | 2013-04-23 | 2013-04-23 | Warehouse cargo management system based on CAN bus and wireless radio frequency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364043A (en) * | 2017-01-16 | 2018-08-03 | 浙江国自机器人技术有限公司 | A kind of electronics selection label system turning Ethernet based on CAN |
| CN117081878A (en) * | 2023-08-18 | 2023-11-17 | 无锡物联网创新中心有限公司 | Electronic shelf system based on CAN bus and electronic shelf management method |
-
2013
- 2013-04-23 CN CN 201320203974 patent/CN203232456U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364043A (en) * | 2017-01-16 | 2018-08-03 | 浙江国自机器人技术有限公司 | A kind of electronics selection label system turning Ethernet based on CAN |
| CN117081878A (en) * | 2023-08-18 | 2023-11-17 | 无锡物联网创新中心有限公司 | Electronic shelf system based on CAN bus and electronic shelf management method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20170423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |