CN115037809B - Industrial wireless gateway system supporting multiple protocols - Google Patents
Industrial wireless gateway system supporting multiple protocols Download PDFInfo
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- CN115037809B CN115037809B CN202210674317.8A CN202210674317A CN115037809B CN 115037809 B CN115037809 B CN 115037809B CN 202210674317 A CN202210674317 A CN 202210674317A CN 115037809 B CN115037809 B CN 115037809B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides an industrial wireless gateway system supporting multiple protocols, which comprises an FPGA chip module, a wireless signal receiving device, gateway storage equipment, board card function equipment, a wireless signal transmitting device and a gateway peripheral interface; the gateway storage device and the board card function device are connected to the FPGA chip module; the board card functional equipment comprises a board card power supply and a clock crystal oscillator. The method solves the problem that a series of equipment compatibility exists in different manufacturer schemes; the use reliability is high, and the method is in accordance with the globalization process in the current industrial automation field.
Description
Technical Field
The invention relates to an industrial wireless gateway system supporting multiple protocols, and belongs to the technical field of industrial wireless sensor networks.
Background
Currently, with the rapid development of modern communication technology and microelectronic technology, wireless technology is mature, and the application of wireless sensor network technology is gradually moving to the industrial field. Industrial wireless sensor networks have the advantages of high flexibility, low node cost, simple wiring, easy maintenance and the like, and are favored by more and more enterprises.
At present, a plurality of mainstream industrial wireless sensor network communication protocols exist, such as international wireless standards of WIA (WIA_PL), ISA100.11A, wirelessHART and the like, and core technologies of different wireless standards have advantages and characteristics and present a tripod-like situation. However, the industrial automation products produced by wireless service providers throughout the world do not adopt a unified wireless network communication protocol, and the lack of core technologies such as gateways, protocol processing chips and hardware engines compatible with multiple protocols directly causes a series of compatibility problems in solutions proposed by different manufacturers, thus seriously impeding the globalization process in the industrial control field. For this reason, the design and development of researchers in the related art are urgently needed for industrial wireless gateway devices supporting multiple protocols.
Disclosure of Invention
The invention aims to provide an industrial wireless gateway system supporting multiple protocols, which solves the problem of a series of equipment compatibility existing in different manufacturer schemes; the use reliability is high, and the method is in accordance with the globalization process in the current industrial automation field.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
an industrial wireless gateway system supporting multiple protocols comprises an FPGA chip module, a wireless signal receiving device, gateway storage equipment, board card function equipment, a wireless signal transmitting device and a gateway peripheral interface; the wireless signal receiving device, the FPGA chip module and the wireless signal transmitting device are connected in sequence, and the gateway storage equipment, the gateway peripheral interface and the board card functional equipment are connected to the FPGA chip module; the board card functional equipment comprises a board card power supply and a clock crystal oscillator.
The FPGA chip module comprises a data receiving module, a DDR3 control module, a received data protocol type identification module, a ISA100.11A protocol input data conversion module, a wirelessHART protocol input data conversion module, a WIA_PL protocol input data conversion module, a ISA100.11A protocol input data decoding module, a wirelessHART protocol input data decoding module, a WIA_PL protocol input data decoding module, a data output arbitration module and a data sending module; the data receiving module, the received data protocol type identification module, the ISA100.11A protocol input data conversion module, the ISA100.11A protocol input data decoding module (ISA100_data_decoding), the data output arbitration module and the data sending module are connected in sequence.
The data receiving module, the received data protocol type identification module, the WirelessHART protocol input data conversion module, the WirelessHART protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence.
The data receiving module, the received data protocol type identification module, the WIA_PA protocol input data conversion module, the WIA_PA protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence.
The DDR3 control module is connected to the received data protocol type identification module.
Preferably, the gateway peripheral interface comprises a gigabit network port, a USB interface, a memory card slot and a JTAG interface.
An industrial wireless gateway processing method supporting multiple protocols, comprising the following steps:
1) The wireless signal receiving device receives and converts the electrical signal to input the electrical signal to the board FPGA, and the data receiving module receives the data and sends the data to the input data protocol judging module;
2) The input data protocol judging module drives the DDR3 memory control module to read the stored protocol information, judges which protocol the input data information belongs to according to the protocol information, and sends the input data information to the corresponding protocol data conversion module;
3) If the input information accords with ISA100.11A protocol, the ISA100.11A protocol input data conversion module splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the ISA100.11A protocol input data decoding module for decoding, and sends the information to the data output arbitration module after the decoding is successful;
if the input information accords with the WirelessHART protocol, the WirelessHART protocol input data conversion module splits the information according to the protocol requirement and extracts effective information, converts the extracted information into 16-bit parallel data, and sends the 16-bit parallel data to the WirelessHART protocol input data decoding module for decoding, and after the decoding is successful, sends the information to the data output arbitration module;
if the input information accords with the WIA_PL protocol, the WIA_PL protocol input data conversion module splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the WIA_PL protocol input data decoding module for decoding, and sends the information to the data output arbitration module after the decoding is successful;
4) After receiving the corresponding protocol analysis result data stream, the data output arbitration module arbitrates, splices and reorganizes the data stream, then sends the data stream to the data sending module, the data sending module sends the data stream to the wireless signal sending equipment, and the equipment converts the electric signal into a wireless signal and sends the wireless signal to the user side; the data transmitting module (Tx_FPGA) can also directly transmit the electric signal to the gigabit network port, the USB interface and other external devices according to the needs of users to meet the needs of the users.
The invention has the advantages that: aiming at the defect of the gateway, the protocol analysis chip and the hardware engine core technology compatible with various protocols in the current industrial wireless sensor network field, the invention comprehensively analyzes the current main stream protocol standard, and develops industrial wireless gateway equipment supporting multiple protocols (ISA100.11A, wirelessHART, WIA _PL). The system can judge the protocol of the industrial wireless sensor network node data input by the wireless signal receiving device, convert and decode the industrial wireless sensor network node data according to different protocol types, and finally send the processing result to the user information receiving terminal. The industrial wireless gateway equipment provided by the invention supports the mainstream wireless sensor network protocol standard at the present stage, and solves a series of equipment compatibility problems existing in different manufacturer schemes; the use reliability is high, and the method is in accordance with the globalization process in the current industrial automation field.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a schematic diagram of the structure of an FPGA chip module according to the present invention.
FIG. 2 is a schematic diagram of the workflow of the present invention
Fig. 3 is a schematic diagram of main components and working principle included in the present invention.
In the figure: in the figure: the device comprises a1 FPGA chip module, a 2 wireless signal receiving device, a 3 wireless signal transmitting device, 4 board card functional equipment, 5 board card power supplies, 6 clock crystal oscillator, 7 gateway storage equipment, 8 gateway peripheral interfaces, 9 gigabit network ports, 10USB interfaces, 11 memory card slots and 12JTAG interfaces.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Firstly, a user needs to determine that all industrial wireless sensor network nodes are in a normal working state, and turn on a power supply of wireless gateway equipment.
If the user receiving end is a mobile portable terminal device, the gateway device directly selects a wireless output mode. The wireless gateway device processes information acquired and transmitted by the industrial wireless sensor network node through a series of operations such as input data receiving, data protocol judging, data format conversion according to protocol type, data decoding according to protocol type format, data arbitration processing, data output and the like. The processing result is transmitted to the mobile receiving terminal through the wireless information transmitting device of the wireless gateway equipment, and the terminal APP displays the information.
If the user receiving end is PC equipment, the gigabit network port of the wireless gateway equipment and the network input port of the PC end are connected through a network cable, and the gateway equipment selects a wired output mode. The wireless gateway device processes information acquired and transmitted by the industrial wireless sensor network node through a series of operations such as input data receiving, data protocol judging, data format conversion according to protocol type, data decoding according to protocol type format, data arbitration processing, data output and the like. And the processing result is sent to a receiving PC end through a gigabit network port, the upper computer running software installed on the PC is opened, and the information processing conversion result of the gateway equipment to the industrial wireless sensor network can be checked through a visual interface.
An industrial wireless gateway system supporting multiple protocols comprises an FPGA chip module 1, a wireless signal receiving device 2, a gateway storage device 7, a board card function device 4, a wireless signal transmitting device 3 and a gateway peripheral interface 8; the wireless signal receiving device 2, the FPGA chip module 1 and the wireless signal transmitting device 3 are connected in sequence, and the gateway storage device 7, the gateway peripheral interface 8 and the board card functional device 4 are connected to the FPGA chip module 1; the board card functional equipment 4 comprises a board card power supply 5 and a clock crystal oscillator 6;
the FPGA chip module comprises a data receiving module, a DDR3 control module, a received data protocol type identification module, a ISA100.11A protocol input data conversion module, a wirelessHART protocol input data conversion module, a WIA_PL protocol input data conversion module, a ISA100.11A protocol input data decoding module, a wirelessHART protocol input data decoding module, a WIA_PL protocol input data decoding module, a data output arbitration module and a data sending module; the data receiving module, the received data protocol type identification module, the ISA100.11A protocol input data conversion module, the ISA100.11A protocol input data decoding module (ISA100_data_decoding), the data output arbitration module and the data sending module are connected in sequence;
the data receiving module, the received data protocol type identification module, the WirelessHART protocol input data conversion module, the WirelessHART protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence;
the data receiving module, the received data protocol type identification module, the WIA_PA protocol input data conversion module, the WIA_PA protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence;
the DDR3 control module is connected to the received data protocol type identification module.
The gateway peripheral interface 8 comprises a gigabit network port 9, a USB interface 10, a memory card slot 11 and a JTAG interface 12.
After an electric signal received and converted by a wireless signal receiving device is input to a board FPGA, a Data receiving module (Rx_FPGA) receives Data and sends the Data to an input Data protocol judging module (data_version), the input Data protocol judging module (data_version) drives a DDR3 memory control module (DDR 3_control) to read stored protocol information, and then the input Data information belongs to a protocol determined by the read protocol information and is sent to a corresponding protocol Data converting module; if the input information accords with ISA100.11A protocol, the ISA100.11A protocol input data conversion module (ISA 100_data_parallel) splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the ISA100.11A protocol input data decoding module (ISA 100_data_decoder) for decoding, and sends the information to the data output arbitration module (tx_arbiter) after the decoding is successful; if the input information accords with the WirelessHART protocol, the WirelessHART protocol input data conversion module (wirelesshart_data_parallel) splits the information according to the protocol requirement and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the WirelessHART protocol input data decoding module (wirelesshart_data_decoder) for decoding, and sends the information to the data output arbitration module (tx_arbiter) after decoding is successful; similarly, if the input information accords with the WIA_PL protocol, the WIA_PL protocol input data conversion module (WIA_PL_data_parallel) splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the WIA_PL protocol input data decoding module (WIA_PL_data_decoder) for decoding, and sends the information to the data output arbitration module (Tx_arbiter) after the decoding is successful; after receiving the corresponding protocol analysis result data stream, the data output arbitration module (Tx_arbiter) arbitrates and splices the data stream, then sends the data stream to the data sending module (Tx_FPGA), and the data sending module sends the data stream to the wireless signal sending equipment which converts the electric signal into a wireless signal and sends the wireless signal to the user side; similarly, the data transmission module (Tx_FPGA) can also directly transmit the electric signal to the gigabit network port, the USB interface and other external devices according to the needs of users to meet the needs of the users; a specific industrial wireless gateway device normal operation flowchart is shown in fig. 2.
Claims (2)
1. The industrial wireless gateway processing method supporting multiple protocols is characterized by comprising an FPGA chip module (1), a wireless signal receiving device (2), gateway storage equipment (7), board card function equipment (4), a wireless signal transmitting device (3) and a gateway peripheral interface (8); the wireless signal receiving device (2), the FPGA chip module (1) and the wireless signal transmitting device (3) are sequentially connected, and the gateway storage device (7), the gateway peripheral interface (8) and the board card functional device (4) are connected to the FPGA chip module (1); the board card functional equipment (4) comprises a board card power supply (5) and a clock crystal oscillator (6);
the FPGA chip module comprises a data receiving module, a DDR3 control module, a received data protocol type identification module, a ISA100.11A protocol input data conversion module, a wirelessHART protocol input data conversion module, a WIA_PL protocol input data conversion module, a ISA100.11A protocol input data decoding module, a wirelessHART protocol input data decoding module, a WIA_PL protocol input data decoding module, a data output arbitration module and a data sending module; the data receiving module, the received data protocol type identification module, the ISA100.11A protocol input data conversion module, the ISA100.11A protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence;
the data receiving module, the received data protocol type identification module, the WirelessHART protocol input data conversion module, the WirelessHART protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence;
the data receiving module, the received data protocol type identification module, the WIA_PA protocol input data conversion module, the WIA_PA protocol input data decoding module, the data output arbitration module and the data sending module are connected in sequence;
the DDR3 control module is connected to the received data protocol type identification module;
the method comprises the following steps:
1) The wireless signal receiving device receives and converts the electrical signal to input the electrical signal to the board FPGA, and the data receiving module receives the data and sends the data to the input data protocol judging module;
2) The input data protocol judging module drives the DDR3 memory control module to read the stored protocol information, judges which protocol the input data information belongs to according to the protocol information, and sends the input data information to the corresponding protocol data conversion module;
3) If the input information accords with ISA100.11A protocol, the ISA100.11A protocol input data conversion module splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the ISA100.11A protocol input data decoding module for decoding, and sends the information to the data output arbitration module after the decoding is successful;
if the input information accords with the WirelessHART protocol, the WirelessHART protocol input data conversion module splits the information according to the protocol requirement and extracts effective information, converts the extracted information into 16-bit parallel data, and sends the 16-bit parallel data to the WirelessHART protocol input data decoding module for decoding, and after the decoding is successful, sends the information to the data output arbitration module;
if the input information accords with the WIA_PL protocol, the WIA_PL protocol input data conversion module splits the information according to the protocol and extracts effective information, converts the extracted information into 16-bit parallel data, sends the 16-bit parallel data to the WIA_PL protocol input data decoding module for decoding, and sends the information to the data output arbitration module after the decoding is successful;
4) After receiving the corresponding protocol analysis result data stream, the data output arbitration module arbitrates, splices and reorganizes the data stream, then sends the data stream to the data sending module, the data sending module sends the data stream to the wireless signal sending equipment, and the equipment converts the electric signal into a wireless signal and sends the wireless signal to the user side; the data transmitting module can also directly transmit the electric signals to the gigabit network port and the USB interface peripheral equipment according to the requirements of users so as to meet the requirements of the users.
2. The industrial wireless gateway processing method supporting multiple protocols according to claim 1, wherein the gateway peripheral interface (8) comprises a gigabit network port (9), a USB interface (10), a memory card slot (11), and a JTAG interface (12).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105516185A (en) * | 2015-12-30 | 2016-04-20 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Multi-protocol gateway equipment |
| CN112788015A (en) * | 2020-12-31 | 2021-05-11 | 天津大学 | Industrial control protocol identification and analysis method based on industrial gateway |
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| US9753439B2 (en) * | 2014-10-02 | 2017-09-05 | Fisher-Rosemount Systems, Inc. | Multi-protocol device supporting wireless plant protocols |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105516185A (en) * | 2015-12-30 | 2016-04-20 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Multi-protocol gateway equipment |
| CN112788015A (en) * | 2020-12-31 | 2021-05-11 | 天津大学 | Industrial control protocol identification and analysis method based on industrial gateway |
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