CN115037809A - Industrial wireless gateway system supporting multiple protocols - Google Patents
Industrial wireless gateway system supporting multiple protocols Download PDFInfo
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- CN115037809A CN115037809A CN202210674317.8A CN202210674317A CN115037809A CN 115037809 A CN115037809 A CN 115037809A CN 202210674317 A CN202210674317 A CN 202210674317A CN 115037809 A CN115037809 A CN 115037809A
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- H—ELECTRICITY
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- 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
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- 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
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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, a gateway storage device, a board card function device, a wireless signal sending device and a gateway peripheral interface, wherein the FPGA chip module is connected with the wireless signal receiving device through the wireless signal sending device; the wireless signal receiving device, the FPGA chip module and the wireless signal sending device are sequentially connected, and the gateway storage equipment and the board card function equipment are connected to the FPGA chip module; the board functional device comprises a board power supply and a clock crystal oscillator. The problem of compatibility of a series of devices in different manufacturer schemes is solved; the use reliability is high, and the method is fit for the global 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 becoming mature, and the application of wireless sensor network technology is gradually moving towards the industrial field. Because the industrial wireless sensor network has the advantages of high flexibility, low node cost, simple wiring, easy maintenance and the like, the industrial wireless sensor network is favored by more and more enterprises.
At the present stage, various mainstream industrial wireless sensor network communication protocols exist, such as international wireless standards like WIA (WIA _ PL), isa100.11a, WirelessHART and the like, and core technologies of different wireless standards have advantages and characteristics, and show a tripod situation. However, industrial automation products produced by wireless service providers all over the world do not adopt a uniform wireless network communication protocol, and in addition, the defects of core technologies such as a gateway compatible with multiple protocols, a protocol processing chip, a hardware engine and the like directly cause that a series of compatibility problems exist in solutions released by different manufacturers, and seriously hinder the global progress of the industrial control field. For this reason, the industrial wireless gateway device supporting multiple protocols is in urgent need of design and research and development of researchers in the related field.
Disclosure of Invention
The invention aims to provide an industrial wireless gateway system supporting multiple protocols, which solves the problem of compatibility of a series of devices in different manufacturer schemes; the use reliability is high, and the method is fit for the global process in the current industrial automation field.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an industrial wireless gateway system supporting multiple protocols comprises an FPGA chip module, a wireless signal receiving device, a gateway storage device, a board card function device, a wireless signal transmitting device and a gateway peripheral interface; the wireless signal receiving device, the FPGA chip module and the wireless signal sending device are sequentially connected, and the gateway storage equipment, the gateway peripheral interface and the board card function equipment are connected to the FPGA chip module; the board functional device comprises a board 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 (ISA 100_ data _ decode), the data output arbitration module and the data sending module are sequentially connected.
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 sequentially connected.
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 sequentially connected.
The DDR3 control module is coupled to the receive data protocol type identification module.
Preferably, the gateway peripheral interface includes a gigabit network port, a USB interface, a memory card slot, and a JTAG interface.
A processing method of an industrial wireless gateway supporting multiple protocols comprises the following steps:
1) the wireless signal receiving device receives and converts the electric signals to be input to the board card 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, then judges which protocol the input data information belongs to through the protocol information, and sends the input data information to the corresponding protocol data conversion module;
3) if the input information conforms to the 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 and sends the 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 conforms to 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 data to the WirelessHART 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 conforms to 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 and sends the 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 recombines the data stream, and 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 transmission module (Tx _ FPGA) can also directly transmit the electric signal to external devices such as a gigabit network port, a USB interface and the like according to the user requirements to meet the user requirements.
The invention has the advantages that: the invention discloses industrial wireless gateway equipment supporting multiple protocols (ISA100.11A, wirelessHART and WIA _ PL), which is developed by comprehensively analyzing the mainstream protocol standard at the present stage aiming at the problem of the deficiency of the gateway, the protocol analysis chip and the hardware engine core technology which are compatible with multiple protocols in the field of the current industrial wireless sensor network. 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 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 protocol standard of the mainstream wireless sensing network at the present stage, and solves the problem of compatibility of a series of equipment in different manufacturer schemes; the use reliability is high, and the method is fit for the global process in the current industrial automation field.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the FPGA chip module composition structure of the present invention.
FIG. 2 is a schematic view of the working process of the present invention
Fig. 3 is a schematic diagram of the main components and the working principle of the present invention.
In the figure: in the figure: the system comprises an FPGA chip module, a wireless signal receiving device, a wireless signal transmitting device, a board card functional device, a board card power supply, a clock crystal oscillator, a gateway storage device, a gateway peripheral interface, a network interface with 9 kilomega, a USB interface, a memory card clamping groove with 11 memory cards and a JTAG interface, wherein the FPGA chip module comprises 1 FPGA chip module, 2 wireless signal receiving devices, 3 wireless signal transmitting devices, 4 board card functional devices, 5 board card power supplies, 6 clock crystal oscillators, 7 gateway storage devices, 8 gateway peripheral interfaces, 9 kilomega network interfaces, 10USB interfaces, 11 memory card clamping grooves and 12JTAG interfaces.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The user firstly needs to determine that all industrial wireless sensing network nodes are in a normal working state, and a power supply of the wireless gateway equipment is turned on.
If the user receiving end is a mobile portable terminal device, the gateway device directly selects the wireless output mode. The wireless gateway equipment processes information collected and sent by the industrial wireless sensor network node through a series of operations of receiving input data, judging a data protocol, converting data according to a protocol type format, decoding data according to the protocol type format, arbitrating data processing, outputting data and the like. And the processing result sends the signal to the mobile receiving terminal through a wireless information sending device of the wireless gateway equipment, and the received information is displayed by the terminal APP.
If the user receiving end is a PC device, the gigabit network port of the wireless gateway device and the network input port of the PC end need to be connected through a network cable, and the gateway device selects a wired output mode. The wireless gateway equipment processes the information collected and sent by the industrial wireless sensor network node through a series of operations such as 'input data receiving, data protocol judging, data conversion according to the protocol type format, data decoding according to the protocol type format, data arbitration processing and data output'. The processed signal is sent to a receiving PC end through a gigabit network port, the running software of an upper computer installed on the PC is opened, and the information processing conversion result acquired by 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 sending device 3 and a gateway peripheral interface 8; the wireless signal receiving device 2, the FPGA chip module 1 and the wireless signal sending device 3 are sequentially connected, and the gateway storage device 7, the gateway peripheral interface 8 and the board card function device 4 are connected to the FPGA chip module 1; the board card function device 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 (ISA 100_ data _ decode), the data output arbitration module and the data sending module are sequentially connected;
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 sequentially connected;
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 sequentially connected;
the DDR3 control module is coupled to the receive 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 card FPGA, a Data receiving module (Rx _ FPGA) receives Data and sends the Data to an input Data protocol judging module (Data _ verify), the input Data protocol judging module (Data _ verify) drives a DDR3 memory control module (DDR 3_ control) to read stored protocol information, then the protocol information read judges which protocol the input Data information belongs to and sends the input Data information to a corresponding protocol Data conversion module; if the input information conforms to the 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 and sends the data to the ISA100.11A protocol input data decoding module (ISA 100_ data _ decode) for decoding, and sends the information to the data output arbitration module (Tx _ arbiter) after the decoding is successful; if the input information conforms to the WirelessHART protocol, the WirelessHART protocol input data conversion module (WirelessHART _ data _ parallel) splits the information according to the protocol requirements and extracts effective information, converts the extracted information into 16-bit parallel data and sends the 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 the decoding is successful; similarly, if the input information conforms to 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 and sends the 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, splices and recombines the data stream, and then sends the data stream to the data sending module (Tx _ FPGA), 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 end; similarly, the data transmission module (Tx _ FPGA) can also directly transmit the electrical signal to external devices such as a gigabit network port and a USB interface according to the user requirement to meet the user requirement; a specific normal operation flow diagram of the industrial wireless gateway device is shown in fig. 2.
Claims (3)
1. An industrial wireless gateway system supporting multiple protocols is characterized by comprising 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 sending device (3) and a gateway peripheral interface (8); the wireless signal receiving device (2), the FPGA chip module (1) and the wireless signal sending device (3) are sequentially connected, and the gateway storage equipment (7), the gateway peripheral interface (8) and the board card function equipment (4) are connected to the FPGA chip module (1); the board card function 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 (ISA 100_ data _ decode), the data output arbitration module and the data sending module are sequentially connected;
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 sequentially connected;
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 sequentially connected;
the DDR3 control module is coupled to the receive data protocol type identification module.
2. The multi-protocol supporting industrial wireless gateway system 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).
3. A method of handling an industrial wireless gateway supporting multiple protocols using any of claims 1-2, comprising the steps of:
1) the wireless signal receiving device receives and converts the electric signals to be input to the board card 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, then judges which protocol the input data information belongs to through the protocol information, and sends the input data information to the corresponding protocol data conversion module;
3) if the input information conforms to the 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 and sends the 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 conforms to 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 data to the WirelessHART 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 conforms to 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 and sends the 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 recombines the data stream, and 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 transmission module (Tx _ FPGA) can also directly transmit the electric signal to external devices such as a gigabit network port, a USB interface and the like according to the user requirements to meet the user requirements.
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| US20160100437A1 (en) * | 2014-10-02 | 2016-04-07 | Fisher-Rosemount Systems, Inc. | Multi-protocol device supporting wireless plant protocols |
| 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 |
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