CN103326936A - Multi-protocol gateway of Internet of Things allowing unified access of various heterogeneous sensing layer networks - Google Patents
Multi-protocol gateway of Internet of Things allowing unified access of various heterogeneous sensing layer networks Download PDFInfo
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Abstract
The invention discloses a multi-protocol gateway of Internet of Things allowing unified access of various heterogeneous sensing layer networks. The multi-protocol gateway of Internet of Things allowing unified access of various heterogeneous sensing layer networks comprises a UPnP protocol user network, the gateway and sensing network equipment, wherein the gateway comprises an equipment managing module and a web server used for realizing information display and control of the sensing network equipment, the equipment managing module comprises a virtual equipment controlling point used for controlling virtual UPnP equipment nodes and the virtual UPnP equipment nodes corresponding to the sensing network equipment in a one-to-one mode through communication serial ports, information interaction is carried out between the virtual equipment control point and the web server with the method of fifo, and the equipment managing module is further provided with the communication serial ports. The multi-protocol gateway of Internet of Things allowing unified access of various heterogeneous sensing layer networks has the advantages that communication standards, data standards and control methods of various heterogeneous networks can be unified by means of the automatic sensing, automatic learning and zero configuration characteristics of UPnP, and therefore development, arrangement and application of Internet of Things are facilitated greatly.
Description
Technical field
The present invention relates to the Internet of Things field, specially refer to the unified multi-protocols things-internet gateway that inserts of one kind of multiple isomery sensing layer networks.
Background technology
Internet of Things is by multiple awareness apparatus such as radio-frequency (RF) identification, wireless senser, infrared inductors, agreement by agreement couples together article and the Internet, carry out information exchange and communication, to realize a kind of network of intelligent identification, location, tracking, monitoring and management, can think that simply Internet of Things is exactly " the Internet that the thing thing links to each other ".Internet of Things can be divided into sensing layer, network layer and application layer according to Technical Architecture, the sensing layer network that has multiple isomery at present, these networks are owing to use different communication mode, communication protocol and data format, cause the access the Internet to change in a large number and configuration effort, seriously restricted the large-scale promotion application that all kinds of Internet of Things are used.
The main means of these isomery sensing layer network insertion the Internets are to realize by the design transfer gateway at present, for example Zi gBee changes ethernet gateway, ZigBee changes serial port gateway, CANBUS changes ethernet gateway, RFID changes equipment such as serial port gateway, though these methods can realize all kinds of sensing layer network insertions the Internet, but because in the gateway designs process, just towards concrete application demand, the data representation that adopts, protocol conversion, each disunity of standards such as access way, having caused each Internet of Things to use is a closed-loop system, formed a lot of information islands, this final purpose with Internet of Things " the thing thing links to each other " is incompatible.And adopt this mode, need to make up a large amount of transfer gateway equipment, invest greatlyyer, the construction cycle is long, configuration deployment is dumb.
In sum, at the defective of prior art, need the unified multi-protocols things-internet gateway that inserts of one kind of multiple isomery sensing layer networks especially, to solve above-mentioned problem.
Summary of the invention
The present invention has adopted the UPnP Upnp agreement that is most widely used at present as transfer standard, this agreement is based on the Internet, do not depend on any operating system or applied environment, do not use specific api function, be not subjected to the limitation of programming language, can seamlessly insert the Internet, thereby realize purpose of the present invention.
Technical problem solved by the invention can realize by the following technical solutions:
The unified multi-protocols things-internet gateway that inserts of multiple isomery sensing layer network, it comprises UPnP agreement user network, the gateway that is connected with UPnP agreement user network by wireless network or cable network and the sensing network equipment that is connected with gateway by the communication serial ports;
The information that described gateway comprises device management module and be used for to realize sensing network equipment shows and the web server of control, and device management module comprises for the virtual unit control point of the virtual UPnP device node of control, by communication serial ports and sensing network equipment virtual UPnP device node one to one; Information interaction is carried out by mode and the web server of named pipes fifo in the virtual unit control point, and device management module also is provided with the communication serial ports;
Described sensing network equipment is wireless senser ZigBee, RFID or CAN-BUS, is connected with device management module by the communication serial ports.
In one embodiment of the invention, described gateway connects nucleus equipment ZigBee telegon, RFID reader or the CAN-BUS bus of sensing network equipment by the communication serial ports.
Beneficial effect of the present invention is: have advantages such as automatic discovery, study automatically, zero configuration, convert all kinds of isomery sensing layer procotols to the Upnp agreement, utilize the advantage of the automatic perception of Upnp, automatic study, zero configuration, communication standard, data standard and the control mode that can unify all kinds of heterogeneous networks greatly facilitate exploitation, deployment and application that Internet of Things is used.
Description of drawings
Fig. 1 is the structural representation of multi-protocols things-internet gateway of the present invention.
Fig. 2 is the equipment corresponding relation schematic diagram of multi-protocols things-internet gateway of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
As depicted in figs. 1 and 2, the unified multi-protocols things-internet gateway that inserts of multiple isomery sensing layer network of the present invention, it comprises UPnP agreement user network, the gateway that is connected with UPnP agreement user network by wireless network or cable network and the sensing network equipment that is connected with gateway by the communication serial ports;
The information that described gateway comprises device management module and be used for to realize sensing network equipment shows and the web server of control, and device management module comprises for the virtual unit control point of the virtual UPnP device node of control, by communication serial ports and sensing network equipment virtual UPnP device node one to one; Information interaction is carried out by mode and the web server of named pipes fifo in the virtual unit control point, and device management module also is provided with the communication serial ports;
Described sensing network equipment is wireless senser ZigBee, RFID or CAN-BUS, is connected with device management module by the communication serial ports.
Described gateway connects nucleus equipment ZigBee telegon, RFID reader or the CAN-BUS bus of sensing network equipment by the communication serial ports.
Home Network pass system is the bridge of multiple sensing networks such as ZigBee, RFID, CAN-BUS and user access network, gateway device connects user UPnP network by wireless or netting twine, and by serial ports connect respectively sensing network nucleus equipment ZigBee telegon,, RFID reader, CAN-BUS bus, obtain the sensing network facility information by these nucleus equipments, and realize the control to these device nodes.Equipment control part and the Web server of operation UPnP agreement in the gateway device, realize that separately function is: (1) UPnP equipment control partly is that each device node of three kinds of sensing networks is created a virtual UPnP device node, and pass through serial communication, virtual UPnP equipment and actual perceived equipment is corresponding one by one, the transparent transmission of realization message; Equipment control point operation UPnP control point agreement, the virtual UPnP facility information that obtains to have created by the multicast mode be in order to control it, and the mode by named pipes fifo realizes the information interaction with Web server; (2) Web server realizes that the information of sensing network equipment shows and control, by the CGI mode facility information is notified to the user front end browser or obtains the control appliance order.
(1) Zigbee network protection
The ZigBee network comprises three kinds of logical device: ZigBee telegon (Coordinator), ZigBee router and ZigBee terminal equipment, ZigBee telegon are responsible for setting up and maintaining network, have and have only one in each network.Therefore, need solve following point with the ZigBee network interconnection:
A. serial communication problem
Interconnected by serial communication between gateway and the ZigBee network.Gateway is communicated by letter with ZigBee server Coordinator, reports the equipment of its discovery by Coordinator to gateway, and gateway is finished control to the ZigBee node by send command frame to Coordinator.
B. device description, service describing mapping
For ZigBee and two kinds of standards of UPnP, its device nodes has the device description of oneself, in order to realize UPnP equipment virtual to ZigBee equipment, must solve ZigBee device description, service describing to the mapping problems one by one that UPnP describes, provide two kinds of mapping tables that standard device is described below:
Table 3UPnP and ZigBee device description, service describing mapping table
(2) RFID network protection
The complete rfid system of one cover, by reader (Reader) and electronic tag (TAG) just three of so-called transponder (Transponder) and application software systems partly institute form, its operation principle is that Reader launches the radio wave energy of a characteristic frequency to Transponder, in order to drive the Transponder circuit data of inside are sent, this moment, Reader just received unscrambling data in regular turn, gave application program and did corresponding processing.
The EPC standard that the coding standard of electronic tag ID adopts the EPCglobal of International Article Numbering Association to formulate, the EPC code has 64,96 and 256 3 kinds, all is made up of numeral.
Here adopt 256 electronic tag ID coded representation UPnP equipment UDN.
A. serial communication problem
Interconnected by serial communication between gateway and the RFID network.Gateway is communicated by letter with the Reader of RFID network, reports the equipment of its discovery by Reader to gateway, and gateway is finished reading and writing data to electronic tag by send command frame to Reader.
B. device description, service describing mapping
Similar to the ZigBee network switch, in order to realize UPnP equipment virtual to electronic tag equipment, must solve the electronic tag device attribute to the mapping problems that UPnP describes, provided two kinds of mapping tables that standard device is described below:
Table 4UPnP and RFID device description, service describing mapping table
(3) CAN-BUS network switch
CAN refers to controller local area network, is a kind of fieldbus.The CAN-BUS system is a kind of full distribution control system, can be used as the contact tie of smart machine, the smart machine as network node is connected to network system on the bus being articulated in, and further constitutes automated system, realizes automation functions such as basic controlling, parameter modification.The CAN communications protocol is mainly described equipment money information transfer mode, is divided into physical layer, data link layer, application layer, three layers of corresponding OSI network configuration, and physical layer and data link layer functions are finished by the CAN interface device.
The CAN-BUS system specifications is divided into CAN2.0A and CAN2.0B, CAN2.0A supports 11 bit identifiers of standard, CAN2.0B supports 11 bit identifiers of standard and 29 bit identifiers of expansion simultaneously, therefore adopts compatible two kinds of standards of identifier of 4 byte lengths, represents UPnP equipment UDN.
A. serial communication problem
Gateway uses string line by CAN interface card and the CAN-BUS network interconnection, and the data that equipment sends in the CAN-BUS network are delivered to gateway device by the CAN bus; The control data that gateway sends send on the CAN bus, are received by corresponding equipment then.
B. device description, service describing mapping
Similar to the ZigBee network switch, in order to realize UPnP equipment virtual to the CAN-BUS network equipment, must solve CAN-BUS network equipment attribute to the mapping problems that UPnP describes, provided the mapping tables of two kinds of standard device descriptions below:
Table 5UPnP and the CAN-BUS network equipment are described, the service describing mapping table
4. serial communication formal definition
Gateway device receives the device node information to ZigBee telegon, RFID reader or CAN bus, and send command information to these nucleus equipments, this just needs two kinds of heterogeneous network negotiation information frame formats, and multiple isomery sensing network information frame is converted to the reference format that UPnP can receive.Therefore, sensing network and UPnP network serial communication need define a cover standard traffic frame format.
According to above-mentioned three kinds of network switch tables, frame structure is defined as follows:
The frame start field: fixed value is 0xFF;
Frame type field: 0x00 is the ready frame, and the expression gateway device is ready to;
0x01 is the alive frame, and indication equipment can be used;
0x02 is the dead frame, and indication equipment is unavailable;
0x03 is the variable frame;
0x04 is acknowledgement frame, return value when revising the variable success;
Network type field: 0x00 is the ZigBee network;
0x01 is the RFID network;
0x02 is the CAN-BUS network;
The device type field:
(1) if the ZigBee network, 0x00 is clockwork; 0x01 is combustible gas equipment; 0x02 is vibratory equipment; 0x03 is humiture equipment; 0x04 is photosensitive device; 0x05 is infrared equipment;
(2) if the RFID network, 0x00 is label;
(3) if the CAN-BUS network, 0x00 is PC; 0x01 is encoder; 0x02 is temperature sensor; 0x03 is field instrument; 0x04 is motor; 0x05 is near switch; 0x06 is optoelectronic switch; 0x07 is the signal condition module;
UDN field: unique identification UPnP equipment.
(1) if the ZigBee network, UDN field value=network address+EndPoint+IEEE address;
(2) if the RFID network, UDN field value=electronic tag ID (256);
(3) if the CAN network, UDN field value=identifier, low 29 effectively;
Variable name field: name variable, for example temperature (temperature), humidity (humidity)
Variate-value field: the value of corresponding variable name field.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. many kinds of isomery sensing layer networks are unified the multi-protocols things-internet gateways of access, it is characterized in that it comprises UPnP agreement user network, the gateway that is connected with UPnP agreement user network by wireless network or cable network and the sensing network equipment that is connected with gateway by the communication serial ports;
The information that described gateway comprises device management module and be used for to realize sensing network equipment shows and the web server of control, and device management module comprises for the virtual unit control point of the virtual UPnP device node of control, by communication serial ports and sensing network equipment virtual UPnP device node one to one; Information interaction is carried out by mode and the web server of named pipes fifo in the virtual unit control point, and device management module also is provided with the communication serial ports;
Described sensing network equipment is wireless senser ZigBee, RFID or CAN-BUS, is connected with device management module by the communication serial ports.
2. multiple isomery sensing layer network according to claim 1 is unified the multi-protocols things-internet gateway of access, it is characterized in that described gateway connects nucleus equipment ZigBee telegon, RFID reader or the CAN-BUS bus of sensing network equipment by the communication serial ports.
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| CN103713617A (en) * | 2014-01-09 | 2014-04-09 | 北京交通大学 | Supervisory system of internet of things |
| CN103957242A (en) * | 2014-04-16 | 2014-07-30 | 北京大学工学院南京研究院 | Internet-of-things gateway achieving IP virtualization conversion |
| CN105700929A (en) * | 2016-01-15 | 2016-06-22 | 浪潮(北京)电子信息产业有限公司 | Method and system controlling operating system configuration parameter |
| WO2017045450A1 (en) * | 2015-09-15 | 2017-03-23 | 中兴通讯股份有限公司 | Resource operation processing method and device |
| CN107896376A (en) * | 2017-10-30 | 2018-04-10 | 东莞理工学院 | A kind of internet of things equipment based on ZigBee quick method of network entry, control method and system |
| TWI646434B (en) * | 2017-04-24 | 2019-01-01 | 宏碁股份有限公司 | Cloud management system and device configuration method thereof |
| CN111064720A (en) * | 2019-12-10 | 2020-04-24 | 大唐半导体科技有限公司 | Method and device for converting configuration gateway data protocol |
| CN111355738A (en) * | 2020-03-06 | 2020-06-30 | 杭州涂鸦信息技术有限公司 | Method and system for supporting multiple protocols by gateway |
| CN111756688A (en) * | 2020-05-18 | 2020-10-09 | 南京认知物联网研究院有限公司 | Method and system for realizing meter protocol and application decoupling |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713617A (en) * | 2014-01-09 | 2014-04-09 | 北京交通大学 | Supervisory system of internet of things |
| CN103713617B (en) * | 2014-01-09 | 2017-01-04 | 北京交通大学 | A kind of Internet of Things supervisory systems |
| CN103957242A (en) * | 2014-04-16 | 2014-07-30 | 北京大学工学院南京研究院 | Internet-of-things gateway achieving IP virtualization conversion |
| CN103957242B (en) * | 2014-04-16 | 2017-06-20 | 北京大学工学院南京研究院 | A kind of things-internet gateway of IP virtualizations conversion |
| WO2017045450A1 (en) * | 2015-09-15 | 2017-03-23 | 中兴通讯股份有限公司 | Resource operation processing method and device |
| CN105700929A (en) * | 2016-01-15 | 2016-06-22 | 浪潮(北京)电子信息产业有限公司 | Method and system controlling operating system configuration parameter |
| TWI646434B (en) * | 2017-04-24 | 2019-01-01 | 宏碁股份有限公司 | Cloud management system and device configuration method thereof |
| CN107896376A (en) * | 2017-10-30 | 2018-04-10 | 东莞理工学院 | A kind of internet of things equipment based on ZigBee quick method of network entry, control method and system |
| CN111064720A (en) * | 2019-12-10 | 2020-04-24 | 大唐半导体科技有限公司 | Method and device for converting configuration gateway data protocol |
| CN111355738A (en) * | 2020-03-06 | 2020-06-30 | 杭州涂鸦信息技术有限公司 | Method and system for supporting multiple protocols by gateway |
| CN111756688A (en) * | 2020-05-18 | 2020-10-09 | 南京认知物联网研究院有限公司 | Method and system for realizing meter protocol and application decoupling |
| CN111756688B (en) * | 2020-05-18 | 2021-03-16 | 南京认知物联网研究院有限公司 | Method and system for realizing meter protocol and application decoupling |
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Application publication date: 20130925 |