CN108924042A - The things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols - Google Patents
The things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols Download PDFInfo
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- CN108924042A CN108924042A CN201810613855.XA CN201810613855A CN108924042A CN 108924042 A CN108924042 A CN 108924042A CN 201810613855 A CN201810613855 A CN 201810613855A CN 108924042 A CN108924042 A CN 108924042A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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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Abstract
The invention discloses the things-internet gateways and implementation method of transparent transmission between a kind of multi-protocols, it is related to industrial internet of things field, including intra-gateway module and Gateway External equipment, the intra-gateway module includes microprocessor and the power module with the two-way electric connection of microprocessor, RS485 chip, WiFi module, GPRS module, ZigBee module and ethernet module, the Gateway External equipment includes power supply indicator, connection/malfunction indicator lamp, receive and dispatch indicator light, reset key, serial ports connector (RS485 interface), RJ45 interface and power supply connect, compact of the present invention is easily installed, each submodule is quickly integrated using the present invention in complicated industrial system, effectively avoid overlapping development, reduce development cost.
Description
Technical field
The present invention relates to industrial internet of things field, and in particular to the things-internet gateway and reality of transparent transmission between a kind of multi-protocols
Existing method.
Background technique：
Industrial Internet of Things is that will have perception, all kinds of acquisitions of monitoring capacity or controller and ubiquitous technology, movement to lead to
The technologies such as letter, intellectual analysis constantly melt people to industrial processes links, to greatly improve manufacture efficiency, improve product
Quality, reduces product cost and resource consumption, and final realize promotes traditional industry to the intelligentized new stage.From application form
On, the application of industrial Internet of Things has the characteristics that real-time, automation, embedded, safety and information mutual communication interconnectivity.
Traditional industry production scene device intelligence degree is very low, and the old equipment majority that the stage is used does not have network
Functions, the China's manufacturing industry such as communication, long-range management, cloud data processing are accelerating to intelligence manufacture transition and upgrade, traditional workshop
The digitlization upgrading of factory is accelerating, and need to carry out data acquisition to make traditional equipment carry out intelligentized updating, because
The gateway of this industrial Internet of Things is in market demand ranks.
As computer networking technology is grown rapidly, diversified network system is established, is caused between various networks
The problem of how interconnecting.It is mutually deposited in application fields, various communication modes such as smart home, industrial Internet of Things, smart cities, mutually
Between there are problems that conversion disorder.Communications protocol refers to a kind of agreement that communicating pair controls data transmission.Include in agreement
To data format, the method for synchronization, transmission speed, transfer step, examines error correcting system and the problems such as control character defines makes system
One regulation, communicating pair must abide by jointly could transmit mutually information.The communication interface that many equipment on the market use is each
Not identical, there are commonly RS-485, GPRS, WiFI, Zigbee and Ethernet etc., since the agreement of various communication structures is not simultaneous
Hold so that the operation and information exchange between heterogeneous network are difficult to carry out, so need a converter complete various protocols it
Between data forwarding.
Such as application No. is CN201710026179.1 to disclose a kind of method of things-internet gateway communication, including：First object
Networking gateway judges whether to meet the condition communicated with the second things-internet gateway；If meeting the condition of communication, the first Internet of Things net
Pass sends data to the second things-internet gateway, so that the second gateway sends data to server or connect with the second gateway
Internet of things node.By the above-mentioned means, the method for this kind of things-internet gateway communication can be realized things-internet gateway and Internet of Things
Communication between gateway, effectively reducing design cost, but the method for various things-internet gateways communications it is not disclosed how
Realize the means of communication between different agreement.
Such as a kind of trustship integral type management based on things-internet gateway is disclosed application No. is CN201720141684.6 to set
It is standby, including to forward video flowing and handle the things-internet gateway device of finger print information, adopt to acquire the fingerprint of finger print information
Collect equipment, the monitoring camera to obtain video flowing, interchanger, usb circuit, ethernet interface circuit and to power
Power circuit, the things-internet gateway device, interchanger, usb circuit, ethernet interface circuit with power supply electricity
Road connection；The fingerprint collecting equipment is connect by usb circuit with the things-internet gateway device, the monitoring camera
It being connect by interchanger with the things-internet gateway device, the interchanger is connect by ethernet interface circuit with server,
But trustship integral type management equipment of this kind based on things-internet gateway is it is not disclosed how realize the communication between different agreement.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols
Caused above-mentioned defects in technology.
The things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols, including intra-gateway module and Gateway External are set
It is standby, the intra-gateway module include microprocessor and with the power module of the two-way electric connection of microprocessor, RS485 core
Piece, WiFi module, GPRS module, ZigBee module and ethernet module, the Gateway External equipment include power supply indicator, connect
Connect/malfunction indicator lamp, transmitting-receiving indicator light, reset key, serial ports connector (RS485 interface), RJ45 interface and power supply connect.
Preferably, the model STM32F107VCT6 chip of the microprocessor, the chip include that 5 USART connect
Mouth, three SPI ports and 10 timers, wherein USART1 pin and GPRS module are electrically connected, USART2 pin and RS485
It is electrically connected, USART3 pin and WiFi module and ZigBee module are electrically connected, USART4 pin and SPI interface and Ethernet
Module is electrically connected, PB13 and PB14 pin and GPRS module are electrically connected, and PA1 pin and RS485 are electrically connected, and described one
The things-internet gateway implementation method of transparent transmission is between kind multi-protocols：
(1) module initialization：Initialization and RS485 chip, WiFi module, GPRS module including microprocessor,
The initialization of ZigBee module and ethernet module；
(2) detection communication whether there is failure：Y：Communication module is resetted, and is entered in next step after reset；N：Under
One step；
(3) whether detection timing terminates：Y：Selection Ethernet is received and dispatched, and is entered in next step after having received and dispatched；N：Under
One step；
(4) whether 485 communication of detection terminates：Y:It selects other modes to send, enters in next step after having sent；N：Under
One step；
(5) whether detection GPRS communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:
Into in next step；
(6) whether detection WiFi communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:
Into in next step；
(7) whether detection ZigBee communication terminates：Y:Selection other modes are sent, and step (2) are returned to after having sent
Continue to test judgement；N:It returns to step (2) and continues to test judgement.
Preferably, the power module is the external 5V power supply provided, and is converted to 3.3V in inside and mentions for modules
For electric power.
Preferably, the RS485 chip, WiFi module, GPRS module, ZigBee module, which use, interrupts reception mode,
It is received in interrupt routine and saves data, judge the data transfer ends, at the end of a frame data receive, corresponding mark position 1,
The transmitting portion and Ethernet of each communication modes poll in main program carry out phase when main program judges corresponding mark position 1
The object of the repeating process answered, forwarding is set by communication mode.
Preferably, the GPRS module uses ESP-A9 chip.
Preferably, the WiFi module uses ESP8266 chip.
Preferably, the ethernet communication uses W5500 chip.
Preferably, the RS485 module uses SP3485 chip, using balance transmission and differential received, has and inhibits altogether
The ability of mould interference, is suitable for more host Industry environment.
Preferably, the Zigbee module uses CC2530 chip.
The advantage of the invention is that：The things-internet gateway and implementation method of transparent transmission, integrate a variety of industry between this kind of multi-protocols
Common communication modes on Internet of Things have versatility, the mutual conversion between different agreement may be implemented, and have high spirit
Activity can be applied and be easily installed with the numerous scenes of communications device classes, compact of the present invention, in complicated industrial system
In using the present invention quickly integrate each submodule, effectively avoid overlapping development, reduce development cost.
Detailed description of the invention
Fig. 1 is that gateway architecture of the invention forms frame diagram.
Fig. 2 is Gateway Initiative Configuration Framework figure of the present invention.
Fig. 3 is gateway approach process flow diagram of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1 to Figure 3, between a kind of multi-protocols transparent transmission things-internet gateway and implementation method, including intra-gateway mould
Block and Gateway External equipment, the intra-gateway module include microprocessor and the power supply with the two-way electric connection of microprocessor
Module, RS485 chip, WiFi module, GPRS module, ZigBee module and ethernet module, the Gateway External equipment include
Power supply indicator, connection/malfunction indicator lamp, transmitting-receiving indicator light, reset key, serial ports connector (RS485 interface), RJ45 interface
It is connect with power supply, the things-internet gateway implementation method of transparent transmission is between a kind of multi-protocols：
(1) module initialization：Initialization and RS485 chip, WiFi module, GPRS module including microprocessor,
The initialization of ZigBee module and ethernet module；
(2) detection communication whether there is failure：Y：Communication module is resetted, and is entered in next step after reset；N：Under
One step；
(3) whether detection timing terminates：Y：Selection Ethernet is received and dispatched, and is entered in next step after having received and dispatched；N：Under
One step；
(4) whether 485 communication of detection terminates：Y:It selects other modes to send, enters in next step after having sent；N：Under
One step；
(5) whether detection GPRS communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:
Into in next step；
(6) whether detection WiFi communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:
Into in next step；
(7) whether detection ZigBee communication terminates：Y:Selection other modes are sent, and step (2) are returned to after having sent
Continue to test judgement；N:It returns to step (2) and continues to test judgement.
Power supply indicator is lighted when gateway works normally, and when using wire communication, connects corresponding interface, module initialization can
It is carried out by user APP using setting, which includes：Gateway translative mode, WiFi network parameter (IP, port), the machine with
Too net network parameter (the machine ethernet ip, subnet mask, default gateway), destination host ethernet network parameter (purpose ether
Net IP, subnet mask, default gateway), GPRS network parameter (destination IP, port).When gateway is restarted or resetted, initially enters and set
Loitering phase is set, which does not receive the configuration information of APP, automatically into setting gateway parameter and mode before after time-out.Net
After the successful connection of pass, connection indicator light display green, if connection failure or communication failure, connection indicator light is displayed in red as event
Barrier state.It when gateway carries out data transmit-receive, receives and dispatches every time successfully, transmitting-receiving indicator light flashing, when receiving and dispatching failure, connection/failure refers to
Show that lamp reddens.
It is worth noting that, the model STM32F107VCT6 chip of the microprocessor, the chip include 5
USART interface, three SPI ports and 10 timers, wherein USART1 pin and GPRS module are electrically connected, USART2 pin
It is electrically connected with RS485, USART3 pin and WiFi module and ZigBee module are electrically connected, USART4 pin and SPI interface
It is electrically connected with ethernet module, PB13 and PB14 pin and GPRS module are electrically connected, and PA1 pin and RS485 are electrically connected.
In the present embodiment, the power module is the external 5V power supply provided, and it is each for being converted to 3.3V in inside
Modules with power.
In the present embodiment, the RS485 chip, WiFi module, GPRS module, ZigBee module are using interruption recipient
Formula receives in interrupt routine and saves data, judges the data transfer ends, corresponding to indicate at the end of a frame data receive
Position 1, the transmitting portion and Ethernet of each communication modes poll in main program, when main program judges corresponding mark position 1,
Corresponding repeating process is carried out, the object of forwarding is set by communication mode, and data portion is as unit of frame, the length of every frame data
Arbitrarily, data content remains untouched.The data transmission of any two kinds of communication modes can be achieved.
In the present embodiment, the GPRS module uses ESP-A9 chip, is instructed and is controlled using AT, and GPRS module needs one
The Internet of Things network interface card with flow, establishes connection with cloud, it can be achieved that GPRS telecommunication, and GPRS module is in mobile Intranet,
IP address is not fixed, so device power actively connects cloud by GPRS module, is detected in program to communication condition, when
Hardware reset GPRS module when GPRS communicating interrupt.GPRS module regularly sends heartbeat packet, keeps long connection, Ke Yishi with cloud
When upload data to cloud, cloud real time down data to equipment can also be passed through.When the work on the move of equipment needs, or
When field, GPRS will be suitable communication modes.RS485 bus data common in industry spot can be converted
It send for GPRS signal to cloud, realizes long-range monitoring and traditional equipment intelligent management.
In the present embodiment, the WiFi module uses ESP8266 chip, is instructed and is controlled using AT.Initialization fixation
IP address can carry out providing wirelessly access from setting, allowing other wireless devices to access, with this hair according to user demand
4 kinds of mode communications of remaining bright are the important components for realizing Internet of Things, intelligent wireless control, can be used for industry spot hand
The equipment such as machine carry out effective monitoring to system.
In the present embodiment, the ethernet communication uses W5500 chip, and the chip and MCU carry out SPI communication, integrate
Devices at full hardware ICP/IP protocol stack, supports the transmission rate of 10/100MBPS, can carry out broken string Auto-reconnect, has price low
Honest and clean, reliable and stable, the advantages that traffic rate is high, software and hardware rich choice of products, with the expansion and complexity of enterprise information system scale
The raising of degree, the demand to information content are also increasing.This patent ethernet module uses TCP Client mode, can be with clothes
Business device end interaction data.Automatic regular polling handles received data and sends data in main program.It can be common by industry spot
RS485 general line system be Ethernet communication modes, while can also realize its excess-three kind communication modes to Ethernet transparent transmission.
In the present embodiment, the RS485 module is had using SP3485 chip using balance transmission and differential received
Inhibit the ability of common mode interference, is suitable for more host Industry environment, the end of transmission is judged using timeout logic, when disconnecting in beginning
Data are saved when receiving data, overtime 200ms does not have data then to determine the end of transmission.RS485 is half-duplex transmission, when idle
RS485 keeps reception state, and transmission state is switched to when needing to send data.SP3485 plays electricity as RS485 transceiving chip
Flat transformation.The present invention forwards all the elements of mono- frame data of RS485 automatically, when continuous 200ms no data determines a frame number
According to end, without additional addition cut-off symbol.
In addition, the Zigbee module uses CC2530 chip, which is integrated with Z-Stack protocol stack, gateway
On serve as network coordinator in Cellular Networks, using PCB antenna, ZigBee-network, live ZigBee can be built centered on it
The network is added in router and node, realizes underlying device to the data connection between gateway.Gateway MCU will by serial ports
CC2530 chip carries out data interaction, issues data command by MCU and gives bottom ZigBee module, upload information by CC2530
CC2530 chip is uploaded to by network by bottom ZigBee node, chip passes through serial ports again to be given MCU and handled.It can be used for
Data conversion is carried out in the system of industrial ZigBee networking, it is also expansible for fields such as smart homes.
Based on above-mentioned, the things-internet gateway and implementation method of transparent transmission between this kind of multi-protocols, integrate on a variety of industrial Internet of Things
Common communication modes have versatility, the mutual conversion between different agreement may be implemented, and have high flexibility, can
With application and the numerous scenes of communications device classes, compact of the present invention is easily installed, can benefit in complicated industrial system
Each submodule is quickly integrated with the present invention, effectively avoids overlapping development, reduces development cost.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (9)
1. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols, including intra-gateway module and Gateway External equipment,
It is characterized in that, the intra-gateway module include microprocessor and with the power module of the two-way electric connection of microprocessor,
RS485 chip, WiFi module, GPRS module, ZigBee module and ethernet module, the Gateway External equipment include that power supply refers to
Show lamp, connection/malfunction indicator lamp, transmitting-receiving indicator light, reset key, serial ports connector (RS485 interface), RJ45 interface and power supply
Interface, the things-internet gateway implementation method of transparent transmission is between a kind of multi-protocols：
(1) module initialization：Initialization and RS485 chip including microprocessor, WiFi module, GPRS module, ZigBee mould
The initialization of block and ethernet module；
(2) detection communication whether there is failure：Y：Communication module is resetted, and is entered in next step after reset；N：Into in next step；
(3) whether detection timing terminates：Y：Selection Ethernet is received and dispatched, and is entered in next step after having received and dispatched；N：Into in next step；
(4) whether 485 communication of detection terminates：Y:It selects other modes to send, enters in next step after having sent；N：Into next
Step；
(5) whether detection GPRS communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:Into
In next step；
(6) whether detection WiFi communication terminates：Y:Selection other modes are sent, and are entered in next step after having sent；N:Into
In next step；
(7) whether detection ZigBee communication terminates：Y:Selection other modes are sent, and step (2) continuation is returned to after having sent
Detection judgement；N:It returns to step (2) and continues to test judgement.
2. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
The model STM32F107VCT6 chip of microprocessor is stated, which includes 5 USART interfaces, three SPI ports and 10
A timer, wherein USART1 pin and GPRS module are electrically connected, and USART2 pin and RS485 are electrically connected, and USART3 draws
Foot and WiFi module and ZigBee module are electrically connected, and USART4 pin and SPI interface and ethernet module are electrically connected, PB13
It is electrically connected with PB14 pin and GPRS module, PA1 pin and RS485 are electrically connected.
3. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
Stating power module is the external 5V power supply provided, and is converted to 3.3V in inside and provides electric power for modules.
4. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
RS485 chip, WiFi module, GPRS module, ZigBee module are stated using reception mode is interrupted, receives and saves in interrupt routine
Data judge the data transfer ends, at the end of a frame data receive, corresponding mark position 1, and the transmission unit of each communication modes
Divide and Ethernet poll in main program carries out corresponding repeating process when main program judges corresponding mark position 1, forwards
Object set by communication mode.
5. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
It states GPRS module and uses ESP-A9 chip.
6. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
It states WiFi module and uses ESP8266 chip.
7. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
It states ethernet communication and uses W5500 chip.
8. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
Stating RS485 module has the ability for inhibiting common mode interference using balance transmission and differential received using SP3485 chip, is applicable in
In more host Industry environment.
9. the things-internet gateway and implementation method of transparent transmission between a kind of multi-protocols according to claim 1, it is characterised in that：Institute
It states Zigbee module and uses CC2530 chip.
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Cited By (13)
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| CN109617798B (en) * | 2019-01-28 | 2021-07-20 | 广东沅朋网络科技有限公司 | OpenLinux-based Internet of things multi-protocol intelligent gateway |
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| WO2020191939A1 (en) * | 2019-03-28 | 2020-10-01 | 深圳市威富通讯技术有限公司 | Communication gateway apparatus |
| CN110266585A (en) * | 2019-06-14 | 2019-09-20 | 长飞光纤光缆股份有限公司 | A kind of full light intelligent industrial gateway based on edge calculations |
| CN110266585B (en) * | 2019-06-14 | 2020-08-11 | 长飞光纤光缆股份有限公司 | All-optical intelligent industrial gateway based on edge calculation |
| CN110311703A (en) * | 2019-07-03 | 2019-10-08 | 广州西博电子科技有限公司 | Enhanced smart gateway of internet of things |
| CN110933651A (en) * | 2019-12-09 | 2020-03-27 | 贵州宝智达网络科技有限公司 | Transparent networking equipment based on NB-IOT and Modbus protocol |
| CN111756597A (en) * | 2020-06-22 | 2020-10-09 | 北京自如信息科技有限公司 | Wireless module testing system, method and device applied to gateway |
| CN111756597B (en) * | 2020-06-22 | 2021-05-18 | 北京自如信息科技有限公司 | Wireless module testing system, method and device applied to gateway |
| CN112260943A (en) * | 2020-10-21 | 2021-01-22 | 中煤科工集团重庆研究院有限公司 | Multi-communication protocol mutual-conversion gateway |
| CN113115232A (en) * | 2021-05-14 | 2021-07-13 | 深圳市广联智通科技有限公司 | Tracking device and method for close contact of personnel in public place |
| CN113419437A (en) * | 2021-06-30 | 2021-09-21 | 四川虹美智能科技有限公司 | Intelligent home data synchronization method and device based on MVVM (multifunction vehicle management model) framework and MQTT (message queuing time) protocol |
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Application publication date: 20181130 |