CN209001989U - A kind of multi-protocol industry data/address bus gateway system applied to RFID communication - Google Patents
A kind of multi-protocol industry data/address bus gateway system applied to RFID communication Download PDFInfo
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- CN209001989U CN209001989U CN201821976059.4U CN201821976059U CN209001989U CN 209001989 U CN209001989 U CN 209001989U CN 201821976059 U CN201821976059 U CN 201821976059U CN 209001989 U CN209001989 U CN 209001989U
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Abstract
The utility model provides a kind of multi-protocol industry data/address bus gateway system applied to RFID communication, belongs to industrial bus technical field.System includes: RFID communication interface, the external RFID device of one end, other end connection microcontroller；Microcontroller, one end connect RFID communication interface, and the other end connects industrial protocol module by SPI interface；Industrial protocol module, one end connect microcontroller by SPI interface, and the other end connects industrial bus interface；Industrial bus interface module, one end connect industrial protocol module, the external industrial bus of the other end.The utility model provides the technical solution of high quality compatible communication for RFID device and a variety of industrial bus, solves the problems, such as compatibility, stability, multiplex communication that RFID is communicated with industrial bus.
Description
Technical field
The utility model is bright to belong to industry data bus field, and in particular to a kind of multi-protocols work applied to RFID communication
Industry data/address bus gateway system.
Background technique
Currently, the most mature up to nine kinds or more of industrial bus type in the world, its type is more numerous in practical application
More, all there is some difference for electrical characteristic and data protocol.Especially RFID device is widely used in industrial production front, in work
Communication between different vendor's equipment simultaneously has an extreme difficulties in industry scene, the convenience of communication data conversion, accuracy, simultaneous
Capacitive is extremely difficult to be taken into account.Therefore, it is necessary to realize RFID device and a variety of different type industry data bus by a kind of gateway
Accurate facile communication.
Utility model content
In order to overcome above-mentioned problem of the prior art, the utility model provides a kind of multi-protocols work applied to RFID communication
Industrial bus data and RFID protocol data are carried out bi-directional conversion, realize RFID device and work by industry data/address bus gateway system
The communication of industry bus solves compatibility, stability problem that RFID is communicated with industrial bus.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of multi-protocol industry data/address bus gateway system applied to RFID communication, comprising:
RFID communication interface, the external RFID device of one end, the other end connect microcontroller, for by RFID device with it is micro-
RFID data forwarding between controller；
Microcontroller, one end connect RFID communication interface, and the other end connects industrial protocol module by SPI interface, use
In resolving to process data to the RFID data from RFID communication interface and being sent to industrial protocol module, to from industry association
The industrial bus data of view module are encapsulated as RFID authority data and are sent to RFID communication interface；
Industrial protocol module, one end connect microcontroller by SPI interface, and the other end connects industrial bus interface, use
Process data is encapsulated as industrial bus data according to target industrial bus demand, and is sent to industrial bus interface module, it will
Industrial bus data forwarding from industrial bus interface is to microcontroller；
Industrial bus interface module, one end connect industrial protocol module, and the external industrial bus of the other end, being used for will be industrial
Bus data is transmitted to industrial bus.
Further, the microcontroller include: microprocessor and the SPI circuit being attached thereto, RFID transmission circuit,
LED circuit and FLASH memory module, SPI circuit connect industrial protocol module, and RFID transmission circuit electrical connection RFID communication connects
Mouthful, SPI circuit uses full duplex connection, and FLASH module has opened up input block and output data area.
Further, the microprocessor uses advanced microprocessors.
Further, the RFID communication interface includes: RFID communicating circuit based on RS485 electrical structure and connects with it
The protection circuit that connects, five needle aviation ports.
Further, the industrial protocol module include: one piece of industrial bus protocol compatibility processing chip and and its
Full duplex SPI connection circuit, Ethernet and the CC-LINK output connection circuit of connection, full duplex SPI connection circuit connection micro-control
Device processed, Ethernet and CC-LINK output connection circuit connection industrial bus interface module.
Further, the industrial bus interface module includes: ethernet standard circuit, CC-LINK preferred circuit, connection
Isolation protective circuit between ethernet standard circuit and industrial protocol module, and the standard of connection ethernet standard circuit
The aviation interface of ethernet port and connection CC-LINK preferred circuit.
Further, the CC-LINK preferred circuit is based on RS485 structure.
Compared with prior art, the beneficial effects of the present invention are:
This system is the solution for RFID device and a variety of industrial bus high quality compatible communications, good to solve
Compatibility that RFID is communicated with industrial bus, stability, multiplex communication problem.Hardware interface supports Ethernet, RS485 physics knot
Structure interface, applicable most of industrial bus；Communication can support to include Profinet, Ethernet/IP, EtherCAT, CC-
A variety of industrial bus agreements such as LINK develop independent public cache interface, compatible all industrial bus mistakes for multi-protocols
Number of passes evidence, supporting bus type extend again；Support the communication of RFID multiplexer channel and industrial bus replacement data.
Detailed description of the invention
Fig. 1 is the multi-protocol industry data/address bus gateway system mainboard structure figure that the utility model is applied to RFID communication；
Fig. 2 is the utility model hardware composing figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The utility model supports physical structure for Ethernet interface, the industrial bus of RS485 interface, including Profinet,
A variety of industrial bus such as Ethernet/IP, EtherCAT, CC-LINK.
Assembling mode such as Fig. 2, the corresponding physical interface of 03 access system 01 of industrial bus, 02 access system 01 of RFID device are right
Physical interface is answered, power interface accesses power supply 04.
It is run when system (Fig. 1) starts, industrial bus data enter industrial bus interface module by industrial bus, the module
Including Ethernet, RS485 standard electrical physical structure, electromagnetism interference structure, the level conversion of corresponding interface is completed；Data are again
Industrial protocol module is transferred by industrial bus interface module.Industrial protocol module is bus compatible equipment, parsing industry
Data, send data to SPI interface caching, and industrial protocol module passes through SPI interface and micro-controller communications.Microcontroller is known
Other industrial bus type, is only transferred to microcomputerized controller for the process data for having action, and the independent caching of microcontroller is public
With Processing Interface direct read/write process data, it is responsible for for process data being encapsulated as corresponding format RFID authority data；It is converted to
RFID data be transmitted to RFID device through RFID communication interface.Similarly, RFID data is transmitted to micro- by RFID communication interface
Controller resolves to process data, is transferred to industrial protocol module through SPI interface, according to target industrial bus demand encapsulation of data lattice
Formula, exports corresponding industrial bus data, and industrial bus data are output to industrial bus through the industrial bus interface of system.
Embodiment:
This system exploitation preferably using newly for high-order microcontroller as main control unit, is known as having great Rong by microcontroller
The control system of amount, the data-handling capacity of multichannel, the above RFID high speed in 4 tunnel of tunable, stabilized communication.It include: micro process
The transmission circuit of the SPI circuit of device and industrial protocol module communication and RFID communication interface communication, the LED electricity externally shown
Road.Based on the large capacity on piece FLASH for changing controller, input block, output data area are opened up, SPI circuit uses full duplex
Connection, main control unit is as host, and for industrial protocol module as slave, input block receives the reception end data of SPI, output
The transmission end data of data field transmission SPI.Data field is mapped with storage address merely, is only carried out the transmitting-receiving of process data, is not located
Any format is managed, as independent caching, only enables, is not occupied by other tasks in process data read-write, it can fabulous guarantee number
According to it is pure, accurate.
RFID communication interface include: RFID communicating circuit based on RS485 electrical structure and protection circuit connected to it,
Five needle aviation ports.The module is as the external module as external communication interface, the output of sending and receiving RFID device, input data.
Protection circuit can prevent surge；Five needle aviation ports are compared with generic outer connection type, this kind of joint waterproofing, anti-electric, against shock effect
Fruit is more preferably.
Industrial protocol module includes: one piece of industrial bus protocol compatibility processing chip, the full duplex connecting with master control
SPI connection circuit, the Ethernet accessed from industrial bus interface, CC-LINK output connection circuit.The module: by industrial bus
Data resolve to the process data without industrial bus format and are transferred to main control unit；The process data that master control inputs is encapsulated as
Industrial bus format transmission is to industrial battle line.
Industrial bus interface module includes: two Ethernet submodule, CC-LINK submodule submodules, both as work
The externally communication respectively of two kinds of channels of industry protocol module.Ethernet submodule completes industrial protocol module to external ethernet formula
Industrial bus (such as: Profinet, Ethernet/IP, EtherCAT) communication, hardware configuration include: ethernet standard circuit,
The isolation protective circuit being additional between ethernet circuit and industrial protocol module (function is to prevent surge).CC-LINK standard
Circuit completes communication of the industrial protocol module to RS485 formula CC-LINK industrial bus, hardware configuration: CC-LINK preferred circuit
Based on RS485 structure.The external hardware port of module is aviation interface: compared with generic outer connection type, this kind of joint waterproofing is prevented
Electricity, against shock better effect.The module is as external communication interface, the various industrial bus outputs of sending and receiving, input data.
Compared with existing industrial bus system: Ethernet interface industrial bus, RS485 can be supported electrical on this system hardware
Interface industrial bus is not merely a certain, and most of industrial bus all use the basic physical structure of both interfaces；It is micro-
Controller caches public Processing Interface for the independence of process data, suitable for the reading and writing data of all industrial bus agreements, certainly
Dynamic identification switching industrial bus type.Above-mentioned software feature makes this system have good software and hardware compatibility, scalability, leads to
Letter is stablized accurate.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of multi-protocol industry data/address bus gateway system applied to RFID communication characterized by comprising
RFID communication interface, the external RFID device of one end, the other end connect microcontroller, are used for RFID device and microcontroller
RFID data forwarding between device；
Microcontroller, one end connect RFID communication interface, the other end by SPI interface connect industrial protocol module, be used for pair
RFID data from RFID communication interface resolves to process data and is sent to industrial protocol module, to from industrial protocol mould
The industrial bus data of block are encapsulated as RFID authority data and are sent to RFID communication interface；
Industrial protocol module, one end connect microcontroller by SPI interface, and the other end connects industrial bus interface, for pressing
Process data is encapsulated as industrial bus data by target industrial bus demand, and is sent to industrial bus interface module, will be come from
The industrial bus data forwarding of industrial bus interface is to microcontroller；
Industrial bus interface module, one end connect industrial protocol module, and the external industrial bus of the other end is used for industrial bus
Data forwarding is to industrial bus.
2. multi-protocol industry data/address bus gateway system according to claim 1, which is characterized in that the microcontroller packet
It includes: microprocessor and the SPI circuit being attached thereto, RFID transmission circuit, LED circuit and FLASH memory module, SPI circuit
Industrial protocol module is connected, RFID transmission circuit is electrically connected RFID communication interface, and SPI circuit uses full duplex connection, FLASH mould
Block has opened up input block and output data area.
3. multi-protocol industry data/address bus gateway system according to claim 2, which is characterized in that the microprocessor is adopted
Use advanced microprocessors.
4. multi-protocol industry data/address bus gateway system according to claim 1 or 2 or 3, which is characterized in that the RFID
Communication interface includes: RFID communicating circuit and protection circuit connected to it, five needle aviation ends based on RS485 electrical structure
Mouthful.
5. multi-protocol industry data/address bus gateway system according to claim 1 or 2 or 3, which is characterized in that the industry
Protocol module include: one piece of industrial bus protocol compatibility processing chip and full duplex SPI connection circuit connected to it, with
Too net and CC-LINK output connection circuit, full duplex SPI connection circuit connection microcontroller, Ethernet and CC-LINK output connects
Connect circuit connection industrial bus interface module.
6. multi-protocol industry data/address bus gateway system according to claim 1 or 2 or 3, which is characterized in that the industry
Bus interface module includes: ethernet standard circuit, CC-LINK preferred circuit, is connected to ethernet standard circuit and industry association
Discuss the isolation protective circuit between module, and the standard ethernet port and connection CC-LINK of connection ethernet standard circuit
The aviation interface of preferred circuit.
7. multi-protocol industry data/address bus gateway system according to claim 1 or 2 or 3, which is characterized in that the CC-
LINK preferred circuit is based on RS485 structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976059.4U CN209001989U (en) | 2018-11-28 | 2018-11-28 | A kind of multi-protocol industry data/address bus gateway system applied to RFID communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976059.4U CN209001989U (en) | 2018-11-28 | 2018-11-28 | A kind of multi-protocol industry data/address bus gateway system applied to RFID communication |
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| CN209001989U true CN209001989U (en) | 2019-06-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110191040A (en) * | 2019-06-25 | 2019-08-30 | 长沙瀚鹏电子技术有限公司 | A kind of human-computer interaction network controller, method and system |
| CN114884766A (en) * | 2022-03-29 | 2022-08-09 | 机械工业仪器仪表综合技术经济研究所 | Device for realizing integration of various industrial buses and 5G communication |
-
2018
- 2018-11-28 CN CN201821976059.4U patent/CN209001989U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110191040A (en) * | 2019-06-25 | 2019-08-30 | 长沙瀚鹏电子技术有限公司 | A kind of human-computer interaction network controller, method and system |
| CN114884766A (en) * | 2022-03-29 | 2022-08-09 | 机械工业仪器仪表综合技术经济研究所 | Device for realizing integration of various industrial buses and 5G communication |
| CN114884766B (en) * | 2022-03-29 | 2024-04-26 | 机械工业仪器仪表综合技术经济研究所 | Device for realizing integration of various industrial buses and 5G communication |
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