CN202121790U - M2M industrial wireless terminal module - Google Patents
M2M industrial wireless terminal module Download PDFInfo
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- CN202121790U CN202121790U CN2011201535087U CN201120153508U CN202121790U CN 202121790 U CN202121790 U CN 202121790U CN 2011201535087 U CN2011201535087 U CN 2011201535087U CN 201120153508 U CN201120153508 U CN 201120153508U CN 202121790 U CN202121790 U CN 202121790U
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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
Abstract
The utility model relates to a design and realization scheme of an industrial wireless transmission terminal hardware which is integrated by an Ethernet controller, a microprocessor based on an ARM7 core, and a CC2530 chip embedded with ISA SP100 and ZigBee protocols. The hierarchical structure of cross layer development and a standard interface are adopted. The embedded ISA SP100 and ZigBee protocol stack based on real-time operating system [Mu] C/OS-II is realized. At the same time, the M2M industrial wireless terminal module is compatible with the standards of an industrial Ethernet and an industrial wireless network, thus satisfying the requirements of an industrial scene to the industrial wireless communication, namely, the real-time, the reliability, the robustness, and the compatibility. The design scheme has the advantages of low cost, low power consumption, high precision, strong processing ability, and the like.
Description
Technical field
The utility model relates to a kind of outgoing telecommunication device, relates in particular to the wireless terminal module that combines EPA to transmit towards the M2M industry wireless network in a kind of commercial Application.
Background technology
The obvious characteristics of modern society is the quick communication of information.At present, except the minority intelligent instrumentation can lean on RS-232 interface and gpib interface strengthen the communication capacity, most machines does not still possess local perhaps long-range communicating by letter and networking capabilities with transducer.Today, the appearance of M2M (Machine to Machine) technology, make between the machine and machine and people between effective communication become possibility.The M2M technology can effectively couple together communication network and intelligence sensor network, realizes exchanging with the effective of system information.
Yet, realize realizing the collection and the transmission of electronic data with a large amount of long-range, removable and connect as the installations of end-user interface, only often be difficult to realize through the cable network that comprises Internet.Wired sensing network can only be used to connect up and be easy to the short distance space, and is then powerless to the monitoring of a lot of long distances.For example, the monitoring of oil pipeline need be scattered a lot of transducers on oil pipeline, and wants exchange of information mutually.And transducer in the past needs wiring, simultaneously can not mutual communication between the transducer, hindered this application.Therefore, realize at present the monitoring and the communication function of machine are just being occurred from the trend of cable network to the wireless network evolution.The development of wireless technology is the key factor of M2M market development; It has broken through the space-time restriction and the region obstacle of traditional communication mode; Make the enterprise and the public break away from the cable constraint, let the client more effectively control cost, reduce mounting cost and easy to use.In addition, growing demand is promoting M2M and constantly advancing: constantly increasing conflicting with the information processing capability and the network bandwidth is that the means that information is obtained lag far behind.And fine this demand that has satisfied people of M2M can be monitored external environment condition in real time through its people, realizes on a large scale, the information gathering of automation.Manage daily routines and formulate long-term operational strategy along with enterprise more and more depends on the information of obtaining, with driving the bigger capacity of M2M and the demand of high reliability more.
From existing implementation: the WIA-PA standard WIA substandard that to be the wireless alliance of Chinese industrial take the lead in formulating to the active demand in process automation field, it has defined WIA system configuration and the communication specification that is used for process automation.The WIA-PA agreement has adopted start-mesh two-tier network topological structure, and is as shown in Figure 1.Ground floor is the mesh structure, is made up of routing device; The second layer is a hub-and-spoke configuration, is made up of routing device and field apparatus.Routing device among this paper comprises that gateway routing device is (for guaranteeing the reliable transmission of data; Adopt wired mode to link to each other with gateway), bunch first route (refers to bunch head in the Star network; Completion to bunch in equipment control and data forwarding), mesh routing device (referring to be in the routing device in the mesh network, data forwarding between accomplishing bunch).Only if hereinafter mentions that especially routing device all refers to the mesh route., characteristics such as reliability high, real-time high and low power consumption high according to industry wireless network stability, multiple technologies such as the centralized and distributed managerial structure that combines of WIA-PA network using, multichannel technology and frequency hopping.WIA-PA provides the radio network technique scheme, and definition is used for the WIA network of process automation, the WIA network that is used for factory automation and the interface specification between RFID/RTLS.
Summary of the invention
Seeing that the defective that above-mentioned prior art exists on the long distance wireless communication network architecture; The purpose of the utility model is the wireless industrial terminal module that proposes towards M2M; ISA SP100 and EPA communication standard protocol are merged, realize the processing of data bumpless transfer and long-distance transmissions.
The purpose of the utility model will be achieved through following technical scheme:
Wireless industrial terminal module towards M2M; It is characterized in that comprising: control and agreement fusion treatment device and the interface wireless communication module based on ISA SP100, ethernet controller and the auxiliary circuit that link to each other and integrate respectively with it; Wherein said wireless communication module based on ISA SP100 is on sheet, to embed ISA SP100 agreement, adapts to the chip of the DSSS frequency hopping radio-frequency receiving-transmitting of 2.4GHz IEEE 802.15.4; Said control and agreement fusion treatment device for based on ARM7 nuclear, have a microprocessor with wireless industrial standard I SASP100, ZigBee and EPA 802.11 agreement fusion treatment abilities; Said auxiliary circuit comprises clock circuit at least, jtag interface circuit and RS-232 interface circuit.
Further, said wireless communication module based on ISA SP100 is provided with the adjustable power amplifier of tool upper limit power output 50mW.
Further, be the UART interface between said control and agreement fusion treatment device and the ethernet controller, control is connected industrial wired bus with agreement fusion treatment device through ethernet controller, and is connected into the M2M industry wireless network through wireless communication module.
The application implementation of the utility model wireless industrial terminal module, its outstanding effect be simply:
Through design and use this wireless terminal module, can be with ISA SP100 and the perfect fusion of EPA communication standard protocol at communication terminal, thus realized the system compatibility of industry spot, satisfy the demand of industrial M2M industrial upgrading and technological transformation; In addition, use the adjustable control of straight preface expansion frequency hopping, radio-frequency receiving-transmitting energy consumption,, further satisfy the requirement of industry spot industrial wireless communication real-time, reliability, robustness and low energy consumption based on the CCM completeness check of AES-128 key.
Following constipation closes the embodiment accompanying drawing, the embodiment of the utility model is done further to detail, so that the utility model technical scheme is easier to understand, grasp.
Description of drawings
Fig. 1 is existing WIA-PA topology of networks sketch map;
Fig. 2 is the modular structure sketch map of the utility model wireless industrial terminal module.
Embodiment
The utility model research and development can be widely used in the monitoring and the control of commercial production plant area equipment towards the wireless industrial gateway equipment of M2M.This project product is taked independent development, on-demand customization, reliable, the standardized communication technology; In the industrial wireless sensor network communication technology, the ISA SP100 industrial technology standard that present industry is being developed is the wireless standard technology of first compatible numerous wired industrial communication protocols of wireless industrial.Be the basis with the existing wired industrial communication agreement of factory and enterprise; Terminal equipment with ISA SP100 wireless industrial technical standard is a core, develops wireless industrial terminal equipment and the wireless device that merges industry spot wired communication protocol and ISA SP100 agreement based on ISA SP100 towards M2M.
Design principle from the utility model wireless industrial terminal module: Internet relates to two key issues with the network insertion of M2M intelligence sensor; Promptly transmit the medium of information and the agreement of employing; Transmission medium can be media such as Ethernet or wireless network, in the design, adopts the medium of the industry wireless network of low-power consumption and safety as wireless access Internet; Agreement adopts the protocol stack of embedded industrial wireless standard I SA SP100 and ZigBee.Through carrying out radio communication towards the wireless industrial terminal module of M2M and the service node in the industrial wireless network Central Shanxi Plain, get into EPA, carry out transfer of data through Ethernet and Internet then.
Modular structure sketch map in conjunction with the utility model shown in Figure 2 is formed is understood its hardware designs, and its hardware is divided and mainly comprised control and agreement fusion treatment device and interface also integrated wireless communication module, ethernet controller and the auxiliary circuit that link to each other respectively with it.
(1) hardware core based on the wireless terminal module of ISA SP100 is the wireless communication unit based on ISA SP100.11; This wireless communication unit adopts the CC2530 chip of TI; On sheet, embed the ISASP100 agreement; The DSSS frequency hopping radio-frequency receiving-transmitting that adapts to 2.4GHz IEEE 802.15.4 is considered the demand that dynamic power is launched, and will increase the circuit power consumption management function;
(2) control and agreement fusion treatment device are the carriers of main control software; In order to solve the hardware bottleneck that network protocol software and real time operating system are handled; Adopt the AT91R40008 microcontroller of Atmel company, a 32 8-digit microcontrollers based on ARM7TDMI nuclear are responsible for control and the data of handling well are sent through wireless communication unit or pass to industrial bus through the ether controller; Its chip integration has become the RAM of 256KB; Can be directly fusion treatment code between wireless industrial standard I SA SP100, ZigBee and EPA 802.11 agreements be operated on the sheet among the RAM, application program can adopt the task inquiry mode, the stability of enhanced system; And two full duplex universal synchronous/asynchronism transceivers (UART) are connected with peripheral controllers PDC; Use the PDC mode, whole segment data is given hardware and is received and dispatched processing automatically and handle mitigation system processing pressure greatly than byte, has improved the real-time of system.
(3) microcontroller serial line interface connects ethernet control chip CS8900A; Through to the control of CS8900A with communicate by letter; Realize the transmitting-receiving of EPA data, after wireless communication unit and the gateway of ISA SP100 connected, packaged data just can be through controlling and the processing of agreement fusion treatment device; Accomplish and wired industrial Ethernet seamless integrated by CS8900A; Realize that EPA and industrial wireless network two nets merge, the internal communication protocol using conversion through two nets can realize the transparent transmission of industry wireless network data to Ethernet; The user realizes related industries communication gate function then on this basis, like Modbus TCP gateway function etc.Another serial line interface carries out data communication through industrial bus and other embedded devices, and this implementation method adopts the data transparency transmission, has realized network function preferably;
(4) auxiliary circuit comprises: clock circuit, jtag interface circuit, and RS232 interface circuit etc., considering the demand of the storage of industry spot will increase external Flash outside SOC(system on a chip); According to Interface design; The serial communication mouth is externally reserved at the terminal, general input/output interface GPIO, analog signal interface ADC externally is provided simultaneously, through these interfaces; This terminal can be seamlessly be linked with industrial field device such as transducer and transmitter; Interface design is externally reserved 2 RS232 serial ports, and one of them can link to each other with ISASP100 industry wireless network manager, through sending the digital command that defines in advance; Can realize the management of ISA SP100 wireless network, MAX232 is responsible for another user interface of the system that realizes and the level conversion between the standard RS232 bus;
In addition, other auxiliary circuit shown in Figure 2 is explained as follows: Crystal Oscillator is a crystal oscillating circuit; Flash is the outer flash memory of sheet, and the electric conversion chip between user interface and the standard RS232 bus is MAX232; The too network control coremaking sheet of realizing the transmitting-receiving of EPA data is CS8900A; Analog to digital converter interface ADC, parallel I/0 mouthful controller PIO, universal synchronous/asynchronism transceiver UART, power amplifier and low noise amplifier PA&LNA, switch pin TX/RX and RF end adopt single-ended antenna ANT.
The innovative characteristics of above-mentioned this wireless industrial terminal module mainly comprises the following aspects: 1, main line is based on the terminal module exploitation of ISA SP100 agreement.
Layer exploitation striden in employing, realizes the protocol stack that hardware resource is minimum, and the physical layer of ISA100 standard meets IEEE 802.15.4 standard, works in the 2.4GHz ISM band, has 16 channels to select.2.4GHz frequency range is one global 15 general frequency range and does not freely need application that development product has global general-use property.
Based on the CC2530 chip of TI, add power amplifier and can realize maximum radio-frequency module equipment to 50mW power-adjustable output band ISA SP100.11a industrial wireless communication standard;
Adopt arm processor; Support the access of wireless ISA SP100.11a; Support simultaneously to comprise and meet IEEE802.3 and 802.11 10/100Mbps Ethernets; The 10/100Mbps TCP/IP of support standard, udp protocol are supported the visit of inter-network section, and communication interface is with supporting to meet IEEE 802.310/100M interface and the serial communication interface of supporting serial ports speed 300bps to 115200bps; Consider the needs of storage and the protocol conversion etc. of data simultaneously, with FLASH and the RAM that is not less than 128KB of the integrated 8MB of being not less than.
2, interconnected based on wireless industrial technology and other wired industrial technical communication standard agreements and IP network realizes that data are in bumpless transfer and long-distance transmissions processing.
ISA SP100.11a standard communication techniques that supporting industry is wireless and merge with EPA two net, and the platform of the fusion of other industrial communication technical standard agreements that can carry out secondary development and industry wireless network is provided on this basis.
Realize the coexistence of ISA100 network support and other wireless short-distance networks, such as IEEE 802.11 networks, based on the wireless network of IEEE STD 802.15.4 standard;
Based on the reliability that the frequency hopping assurance of DSSS (Direct Sequence Spread Spectrum, straight preface expansion frequency hopping) is communicated by letter, adopt the DSSS technical approach of IEEE 802.15.4.Reduced the time of equipment in each bar channel work; Can be at other channel retransmission data bags; And then also increased the anti-interference of network; Use clear channel assessment (CCA) to avoid and the conflicting of other asynchronous systems, can guarantee to greatest extent that communication channel jumps on the unimpeded channel to communicate by letter when being interfered
3, ISA100 communication protocol stack data security technology is used based on the AES-128 key technique.
In design; The transfer of data protection comprises implements the CCM completeness check based on the AES-128 key to whole data link layer frame and transport layer frame; Can obtain optional 32,64 completeness check code, and the payload in data link-layer frame and the transport layer frame is encrypted (or deciphering).
4, dynamic energy consumption management, the energy consumption of reduction wireless network.
This module will adopt the radio circuit of power-adjustable output, and maximum transmission power can arrive 50mW to guarantee the reliability of network signal.Simultaneously, behind network construction, module self can dynamically be regulated transmitting power according to the organize situation and the functional requirement of network, guarantees minimizing of energy consumption to greatest extent.This function is especially crucial for the field by using battery powered apparatus, through this function, in useful life that can maximize battery, also makes the upgrading of many field apparatuss need not to rethink power supply
It below only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. towards the wireless industrial terminal module of M2M; It is characterized in that comprising: control and agreement fusion treatment device and the interface wireless communication module based on ISA SP100, ethernet controller and the auxiliary circuit that link to each other and integrate respectively with it; Wherein said wireless communication module based on ISA SP100 is on sheet, to embed ISA SP100 agreement, adapts to the chip of the DSSS frequency hopping radio-frequency receiving-transmitting of 2.4GHz IEEE 802.15.4; Said control and agreement fusion treatment device for based on ARM7 nuclear, have a microprocessor with wireless industrial standard I SASP100, ZigBee and EPA 802.11 agreement fusion treatment abilities; Said auxiliary circuit comprises clock circuit at least, jtag interface circuit and RS-232 interface circuit.
2. the wireless industrial terminal module towards M2M according to claim 1 is characterized in that: said wireless communication module based on ISA SP100 is provided with the adjustable power amplifier of tool upper limit power output 50mW.
3. the wireless industrial terminal module towards M2M according to claim 1; It is characterized in that: be the UART interface between said control and agreement fusion treatment device and the ethernet controller; Control is connected industrial wired bus with agreement fusion treatment device through ethernet controller, and is connected into the M2M industry wireless network through wireless communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201535087U CN202121790U (en) | 2011-05-16 | 2011-05-16 | M2M industrial wireless terminal module |
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| CN2011201535087U CN202121790U (en) | 2011-05-16 | 2011-05-16 | M2M industrial wireless terminal module |
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| CN202121790U true CN202121790U (en) | 2012-01-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161220A (en) * | 2016-06-08 | 2016-11-23 | 山东普奥智能软件科技有限公司 | Things-internet gateway equipment |
| CN106596864A (en) * | 2016-12-27 | 2017-04-26 | 浙江恩大施福软件科技有限公司 | Fully automatic nitrogen protection tunnel kiln oxygen content inspection system |
-
2011
- 2011-05-16 CN CN2011201535087U patent/CN202121790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161220A (en) * | 2016-06-08 | 2016-11-23 | 山东普奥智能软件科技有限公司 | Things-internet gateway equipment |
| CN106596864A (en) * | 2016-12-27 | 2017-04-26 | 浙江恩大施福软件科技有限公司 | Fully automatic nitrogen protection tunnel kiln oxygen content inspection system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20120516 |