CN107172051A - A kind of method that internet of things equipment finds and managed - Google Patents

A kind of method that internet of things equipment finds and managed Download PDF

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Publication number
CN107172051A
CN107172051A CN201710367007.0A CN201710367007A CN107172051A CN 107172051 A CN107172051 A CN 107172051A CN 201710367007 A CN201710367007 A CN 201710367007A CN 107172051 A CN107172051 A CN 107172051A
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China
Prior art keywords
gateway
equipment
data message
facility information
internet
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CN201710367007.0A
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Chinese (zh)
Inventor
江凌云
刘博伟
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Nanjing Post and Telecommunication University
Nanjing University of Posts and Telecommunications
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Nanjing Post and Telecommunication University
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Priority to CN201710367007.0A priority Critical patent/CN107172051A/en
Publication of CN107172051A publication Critical patent/CN107172051A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08Protocols for interworking; Protocol conversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/161Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
    • H04L69/162Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A kind of method for finding and managing the invention discloses internet of things equipment, including:The bottom sensing equipment gathers and uploaded data message to gateway;The gateway is pre-established and storing device information storehouse, policy information base, command information storehouse;The gateway transfers the facility information in the data message of bottom sensing equipment upload, and is matched to facility information storehouse to judge that bottom sensing equipment whether there is equipment safety check code;Data bit field is extracted to be matched to policy information base to obtain control strategy;Uploaded onto the server after entering row format conversion, the data message that the server is received and storage gateway is uploaded, and generation application instructs and is issued to gateway, gateway receives application instruction, and extract the facility information in application instruction and be matched to facility information storehouse, extract the logical order in application instruction and be matched to command information storehouse, to obtain corresponding control instruction and perform control instruction to corresponding bottom sensing equipment.The present invention can realize the authentication function of data, the forwarding of data is oriented to and the acquisition function of control instruction.

Description

A kind of method that internet of things equipment finds and managed
Technical field
A kind of method for finding and managing the present invention relates to internet of things equipment, belongs to the technical field of Internet of Things sensing.
Background technology
With the development and the lifting of Intelligent hardware computing capability of technology of Internet of things, increasing intelligent electronic device quilt It is linked into network, under the great development environment of current Internet of Things, the isomery awareness apparatus of these magnanimity is linked into Internet of Things Cloud platform, realize interconnecting for equipment room, really it is interpersonal exchange become into exchanging between people and equipment Exchanging between most Zhongdao equipment and equipment, has become inexorable trend.But these intelligent electronic devices follow different numbers According to transmission specification, cause to be in the state for isolating and disperseing between smart machine, it is difficult to be uniformly accessed into traditional platform of internet of things, The flexibility for causing equipment room to communicate is substantially reduced.
Therefore, a kind of gateway that can gather common data transmission format is needed come to bottom for traditional platform of internet of things Sensing data is acquired processing, and is converted to valid format and uploads to Internet of Things cloud platform, simultaneously as set up this Effective communication format, has been also convenient for management of the cloud platform to underlying device and has controlled.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art to find there is provided a kind of internet of things equipment With the method for management, the skimble-scamble problem of form and heterogeneous sensor equipment of existing platform of internet of things heterogeneous sensor equipment are solved Unmanageable problem, efficiently to realize that management of the platform of internet of things to underlying device is controlled.
It is of the invention specific using following technical scheme solution above-mentioned technical problem:
A kind of method that internet of things equipment finds and managed, this method is based on bottom sensing equipment, gateway and server, bag Include following steps:
The bottom sensing equipment gathers and uploaded data message to gateway;
The gateway is pre-established and stored:For equipment safety check code to be respectively configured for local device and locally sets together The facility information storehouse that standby information is stored after binding;For the threshold value for storing the data bit field in facility information He being set up Form the policy information base of control strategy;Command information for setting up correspondence control instruction to the logical order in facility information Storehouse;
The gateway transfers the facility information in the data message of bottom sensing equipment upload, and is matched to facility information storehouse To judge that bottom sensing equipment whether there is equipment safety check code;When being judged as that bottom sensing equipment has equipment safety verification During code, data bit field in the data message that bottom sensing equipment is uploaded is extracted, and be matched to policy information base acquisition control plan Slightly;When control strategy uploads onto the server to perform data message, the gateway enters data message on after row format is changed Reach server;
The data message that the server is received and storage gateway is uploaded, and generation application instruct and are issued to gateway;
The gateway receives application instruction, and extracts the facility information in application instruction and be matched to facility information storehouse, when Exist in facility information storehouse local device information with application instruction in facility information to it is corresponding when extract application instruct in data Logical order in message is simultaneously matched to command information storehouse, to obtain control instruction corresponding to logical order and to facility information Corresponding bottom sensing equipment performs control instruction.
Further, as a preferred technical solution of the present invention:The data message that the bottom sensing equipment is uploaded At least include device id, device mac address and sensing type.
Further, as a preferred technical solution of the present invention:The data message that the bottom sensing equipment is uploaded Frame head and postamble including defining message.
Further, as a preferred technical solution of the present invention:The bottom sensing equipment is to same sensing type Device definition use unified data message form.
Further, as a preferred technical solution of the present invention:The gateway uploads datagram using http protocol Text is to server.
Further, as a preferred technical solution of the present invention:Data message is converted to URL lattice by the gateway Formula.
Further, as a preferred technical solution of the present invention:The gateway is stored in the form of Json files and set Standby information bank, policy information base, command information storehouse.
Further, as a preferred technical solution of the present invention:The server is issued using Websocket agreements Using instruction to gateway.
The present invention uses above-mentioned technical proposal, can produce following technique effect:
The method that the internet of things equipment of the present invention finds and managed, turns to preferably realize to communicate with agreement in a gateway Change, establish three kinds of information banks, respectively facility information storehouse, policy information base and command information storehouse in gateway side so that bottom The data of sensing equipment obtain certification in gateway side, and according to corresponding strategy, data are consigned into server;Realize number According to authentication function, data forwarding be oriented to and control instruction acquisition function.
Upper layer data encapsulation has been done by the way of based on http protocol in data uplink passage, service is sent data to Device side, the finger to equipment control and control is completed using the long connected mode based on Websocket agreements in data downstream passage Issuing for order, is communicated and protocol conversion to preferably realize in a gateway.The present invention uses websocket side in gateway side Formula is set up length with cloud server and is connected, and has ensured the reliability and real-time of data transfer.
Brief description of the drawings
Fig. 1 be the inventive method based on platform of internet of things structural representation.
Fig. 2 is the schematic flow sheet of data uplink passage in the inventive method.
Fig. 3 is the schematic flow sheet of data downstream passage in the inventive method.
Embodiment
Embodiments of the present invention are described with reference to Figure of description.
The present invention devises a kind of method that internet of things equipment finds and managed, and this method is based on bottom sensing equipment, net Close and server, method of the invention based on platform of internet of things structure as shown in figure 1, the system include bottom sensing equipment, Gateway and server, wherein, bottom sensing equipment can include ZigBee, WiFi, three kinds of bluetooth, on gateway more than carrying three The peripheral reception device of kind equipment, respectively ZigBee telegons, wireless network card, bluetooth sniffer, can so be covered substantially The most equipment communication modes in Intelligent internet of things field, and gateway is divided into southbound interface and northbound interface, the southbound interface For connecting bottom sensing equipment, the northbound interface is used for connection server.And server can include database server, Application server, management server.
Method designed by the present invention, specifically includes following steps:
Step 1, the bottom sensing equipment gather and uploaded data message to gateway.
First, in the southbound interface of bottom sensing equipment to gateway, the discovery of sensing layer common apparatus is realized, as long as that is, Bottom sensing equipment is within the signal cover of gateway, and its data message just can be by gateway reception processing, this It is a kind of intelligent process of common apparatus, because gateway can be according to local policy engine, directly to bottom sensing equipment Corresponding control operation is made, the data processing pressure of podium level is reduced.
In view of different application scenarios, the present invention can come to provide perception clothes for upper strata using different wireless sensor devices Business, such as ZigBee, bluetooth, WiFi, by the way that to ZigBee, Bluetooth, WiFi transmitting message, this method can preferably determine The message format of a set of general wireless sensor device transmission of justice, each sensing equipment itself attribute is described with this, its Including device id, device mac address and sensing type, specifically, it can include with dispatching from the factory device id, sensing type, equipment MAC Location, positional information, parent gateway and the specific heat transfer agent that itself can transmit etc., so, gateway just can be with without differences The various wireless sensor devices of parsing transmitted by packet, shield the difference of heterogeneous device.
Analyzed more than, the present invention integrates field as described above, is configured message format as shown in table 1:
The universal data format information of table 1.
The facility information defined in upper table is illustrated below:
(1) message identifications information:In order to prevent the various heterogeneous devices of sensing layer message broadcasting disturb upper layer module for The reception of common apparatus message, can define the frame head and postamble of message, i.e. guidance code for " s:" frame head and end code " E;” Postamble.
(2) notification devices number information:Under each device type, the deviceid of each terminal is defined respectively, this Sample, can make upper layer application control each sensing layer service according to deviceid differences.
(3) notification devices type information:The wireless sensor device of same sensing type preferably can be defined as by the present invention Unified form, facilitates the discovery and management of the recycling of upper strata intelligent gateway.
(4) notification devices MAC information:Each sensing equipment, which dispatches from the factory, MAC Address, and notice MAC Address can be more preferable Identification device information, and mac address information is the information that user can not change.
(5) notification devices positional information:Sky is defaulted as, facilitates user to be configured by upper layer application, with according to position The device location of information searching oneself deployment.
(6) notification devices parent gateway information:Sky is defaulted as, once parent gateway recognizes the passing node equipments, and is sentenced It is set to legitimate device, the IP address of itself can be inserted the field by parent gateway automatically.
(7) extension bits:Reserved place, extends after being easy to, is defaulted as sky.
(8) notification devices data message:Depending on specific sensing node, the position can support extension.
Here is a specific message implementation example, and by taking Temperature Humidity Sensor as an example, message is as follows:
‘S:N=801004@Type=wifi@MAC=6C-0B-84-6C-98-A5@Location=25@Parent= 10.10.25.89@Temp=20.1&Humi=51.8E;’
In above form, separation is met by "@" between various information, the information type for supporting extension new has simultaneously The data message of body meets separation using " & ", supports the transmission of a variety of data, and benefit is the extension of convenient information later, is had General applicability.
Gateway is divided into data uplink passage and downlink data channel in step 2, the present invention;The data uplink passage, Its flow is illustrated as shown in Fig. 2 the bottom sensing equipment of the gateway discovery sensing layer for Internet, when gateway receives bottom After the data message of upload, gateway can carry out the judgement legitimacy of the data message of bottom sensing equipment upload first, specifically Process is as follows:
First, the gateway is pre-established and stored:Facility information storehouse, policy information base, command information storehouse.Preferably, Stored in the form of Json files.
The facility information storehouse, for equipment safety check code devicekey to be respectively configured for local device, and will be local Equipment safety check code devicekey bindings and the facility information storehouse of storage that facility information is configured with it.I.e.:Gateway is to flat Allow equipment that legal equipment safety check code devicekey, and the safety check code of each equipment are set respectively in platform Devicekey and the facility information device id are bound.When user in platform of internet of things layer is the legal equipment of equipment application After safety check code devicekey, gateway can be added automatically by the communication with podium level in local device information storehouse The equipment safety check code devicekey of application;After user has increased the sensing equipment of oneself newly, it is only necessary to going out for equipment The deviceid of factory does a binding in platform side, and the parent gateway side being equivalent in node has done the mapping of equipment, so Just this newly-increased sensing equipment is become for legal node.
The policy information base, for the threshold value formation control for storing the data bit field in facility information and being set up System strategy, the control strategy, which is used for judgement, to be set up data and whether uploads or perform next step and operate and such as upload, issue.Example Such as, corresponding to command fields for temperature, then set and compared according to temperature with threshold value in policy information base, it is default when reaching Temperature threshold when, corresponding control strategy controlling alarm and can issue operational control etc. for generation.
The command information storehouse, the command information for setting up correspondence control instruction for the logical order in facility information Storehouse.There is logical order in data bit command fields that i.e. can be in facility information, then set up corresponding control respectively and refer to Order, the control instruction is used to perform respective operations to bottom sensing equipment or server.
Secondly, the gateway is transferred on bottom sensing equipment after the data message of bottom sensing equipment upload is received Whether the facility information in the data message of biography is legal, and is matched to facility information storehouse to judge that bottom sensing equipment whether there is Equipment safety check code devicekey, carries out the judgement of data validation, and the legitimate device information bank local by detecting is determined Bottom sensing equipment is legitimate device, and the data message discarding that illegal equipment is uploaded.
When being judged as that bottom sensing equipment has equipment safety check code devicekey, on legal equipment is continuous When passing data, need to do a pretreatment to the data message of these uploads in gateway, extract the number that bottom sensing equipment is uploaded According to data bit field in message, and it is matched to policy information base to obtain the control strategy whether data upload onto the server;Will Data bit field is matched with the policy information base pre-established in the data message of the upload of equipment, then obtains the number Control strategy is obtained according to bit field, and control strategy, which can include uploading, issue, abandoning, etc. operates.According in facility information storehouse Control strategy does next step action, and such as temperature reaches that the threshold value of setting can just alarm, or has the king-sized temperature difference just to alarm Etc., next step action includes being submitted to server, directly doing descending control or discarding.
When control strategy uploads onto the server to perform data message, the gateway senses bottom according to control strategy The data message of equipment uploads onto the server after entering row format conversion.Preferably, uploaded using http protocol.I.e. need upload Data to server enter row format conversion, are converted to URL formatted data, then are submitted in the form of HTTP server.
Here is a HTTP message example for being specifically converted into similar URL format (with ZigBee Temperature Humidity Sensors Exemplified by), HTTP is by the message POST of following form to server:
‘Devicekey:9c0b27c9e54b4db5aea08d889e38c346/Type:ZigBee/MAC:6C-0B-84- 6C-98-A5/Location:25/ParentIP:10.10.25.89/Temp:20.1
Devicekey:9c0b27c9e54b4db5aea08d889e38c346/Type:ZigBee/MAC:6C-0B-84- 6C-98-A5/Location:25/ParentIP:10.10.25.89/Humi:51.8’。
Step 3, the Internet on data downstream passage, the signal of its flow is as shown in figure 3, first, in server to net The northbound interface of pass, using Websocket protocol realizations, the length that can be achieved on truly using the benefit of the agreement is connected Connect, reduce the expense of http protocol continuous analytic message in data transmission procedure, wherein, server does Server ends, net Do Client ends in pass.The data message that the database server is received and storage gateway is uploaded, application server generation should Gateway is issued to instruction and through management server.
Step 4, secondly, gateway will receive server as Websocket Client ends by Websocket agreements Parsed, and verified using the facility information in instruction, wherein facility information using instruction as what Server ends were sent Equipment safety check code devicekey, command field, logical order etc. can be included;By equipment safety check code therein Devicekey is matched to facility information storehouse, believes when there is local device information in facility information storehouse with the equipment in application instruction Represent legal when breath is to correspondence, then extract the logical order of the data message in application instruction and be matched to command information storehouse, match Success represents legal, then obtains the control instruction corresponding to the logical order, otherwise abandon.
Then, due to the device id with the safety check code devicekey and the facility information of each equipment under the instruction Binding, therefore by control instruction can distribute bottom sensing equipment deviceid corresponding to facility information according to device id.Bottom Layer sensing equipment is operated accordingly after receiving instruction, that is, completes device management process.
During described, gateway takes out last field in message segment, logic as Websocket Client ends Instruction is matched in command information storehouse, if the content legality of logical order, the match is successful, then can be from this storehouse The facility information deviceid retrieved in complete control instruction, and bonding apparatus information bank is retrieved, what is combined Control instruction is handed down to corresponding node device, is completed with this to equipment Reverse Turning Control.
Here is that the control provided from server Websocket Server ends to gateway Websocket Client ends refers to Format sample is made, this is sentenced exemplified by WiFi lamp control:
‘Devicekey:7e4e5ff11f014041a8975399ad08c02b/Type:wifi/MAC:1C-60-DE- 77-45-8C/Location:25/ParentIP:10.10.25.89/Command:relay_0’
In server to gateway, realized by the way of based on WebSocket agreements, can be with by Websocket agreements Realize long connection truly, so that user can be called by web browser or mobile phone A PP Webservice mode completes the control to underlying device and the configuration work of information.
To sum up, the present invention establishes three kinds of letters in a gateway in order to preferably realize communication and protocol conversion in gateway side Breath storehouse, respectively facility information storehouse, policy information base and command information storehouse, realize the forwarding of the authentication function, data of data It is oriented to the acquisition function with control instruction.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation Mode, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess Make a variety of changes.

Claims (8)

1. a kind of method that internet of things equipment finds and managed, this method is based on bottom sensing equipment, gateway and server, it is special Levy and be, comprise the following steps:
The bottom sensing equipment gathers and uploaded data message to gateway;
The gateway is pre-established and stored:For equipment safety check code being respectively configured and with local device letter for local device The facility information storehouse stored after breath binding;Threshold value for storing the data bit field in facility information He being set up is formed The policy information base of control strategy;Command information storehouse for setting up correspondence control instruction to the logical order in facility information;
The gateway transfers the facility information in the data message of bottom sensing equipment upload, and is matched to facility information storehouse to sentence Disconnected bottom sensing equipment whether there is equipment safety check code;When being judged as that bottom sensing equipment has equipment safety check code When, data bit field in the data message that bottom sensing equipment is uploaded is extracted, and be matched to policy information base acquisition control strategy; When control strategy uploads onto the server to perform data message, the gateway, which enters data message after row format is changed, to be uploaded to Server;
The data message that the server is received and storage gateway is uploaded, and generation application instruct and are issued to gateway;
The gateway receives application instruction, and extracts the facility information in application instruction and be matched to facility information storehouse, works as equipment Exist in information bank local device information with application instruction in facility information to it is corresponding when extract application instruct in data message In logical order and be matched to command information storehouse, to obtain control instruction corresponding to logical order and to facility information correspondence Bottom sensing equipment perform control instruction.
2. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The bottom sensing equipment The data message of upload at least includes device id, device mac address and sensing type.
3. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The bottom sensing equipment The data message of upload includes the frame head and postamble for defining message.
4. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The bottom sensing equipment Unified data message form is used to the device definition of same sensing type.
5. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The gateway uses HTTP Agreement uploads data message to server.
6. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The gateway is by datagram Text is converted to URL format.
7. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The gateway is with Json texts Form storing device information storehouse, policy information base, the command information storehouse of part.
8. the method that internet of things equipment finds and managed according to claim 1, it is characterised in that:The server is used Websocket agreements are issued using instruction to gateway.
CN201710367007.0A 2017-05-23 2017-05-23 A kind of method that internet of things equipment finds and managed Pending CN107172051A (en)

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CN111800335A (en) * 2020-05-22 2020-10-20 浙江融信科技发展有限公司 IoT gateway communication method
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CN113326056A (en) * 2021-06-28 2021-08-31 上海致景信息科技有限公司 Data processing method, data processing device, storage medium and processor

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