CN106254437B - Internet of Things communication means - Google Patents
Internet of Things communication means Download PDFInfo
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- CN106254437B CN106254437B CN201610606264.0A CN201610606264A CN106254437B CN 106254437 B CN106254437 B CN 106254437B CN 201610606264 A CN201610606264 A CN 201610606264A CN 106254437 B CN106254437 B CN 106254437B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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Abstract
Internet of Things communication means of the invention, realization allows monitor terminal to identify the device data that device end is sent, it include: device model establishment step, each device end is after access to communication networks, corresponding device metadata is sent to monitor terminal, so that monitor terminal generating device model corresponds to table；Rule settings step is sent, user is allowed to send rule based on the data between the network condition set device terminal and monitor terminal of communication network；Data packet generates sending step, and sender is based on data and sends rule generation data packet in device end or monitor terminal, and the data packet is sent to recipient based on predetermined rule of communication；And data packet receives dissection process step, recipient receives the data packet sent, and dissection process is carried out to obtain corresponding data information to the data packet, wherein, device metadata includes devices collect data item table, acquisition tasks table and device command table, and monitor terminal is stored with identifier resolution table.
Description
Technical field
The present invention relates to a kind of Internet of Things communication means, and in particular to one kind can allow monitor terminal whole to all equipment
The Internet of Things communication means that the device data at end is identified.
Background technique
The concept of Internet of Things is developed on the basis of internet, extends and extend to any object for user terminal
Between product and article, information exchange and communication are carried out.Internet of Things digitizes real world, and application range is very extensive, mainly
Including the following aspects: transport and logistics field, health medical treatment field, intelligent environment (family, office, factory) field, a
People and social field etc. have very wide market and application prospect.
Currently, mainly by the information sensings such as inductor Module-embedding or be installed to power grid, railway, bridge, building,
In the field devices such as water system, oil-gas pipeline, industrial equipment, and network and cloud communication connection are made it through, thus shape
At Internet of Things.Its major function is to acquire the data of the spot sensor of numerous types, and pass through various wireless and wired
Means of communication transfers data to cloud, carries out intelligence computation, and the various execution equipment at scene are controlled according to calculated result,
To reach connection and the intelligent function of object and object.
As it can be seen that most basic is that smart machine is accessed to network in internet of things field, i.e. realization equipment networks.However, by
Numerous in the manufacturer of production equipment, each manufacturer is therefore the data content transmitted in the independent equipment for defining production causes
Equipment requires to carry out individually parsing configuration beyond the clouds before networking, and can obtain the number that cloud is sent to after the equipment networks
According to content, also result in the equipment networking period long；Also, when the type of log equipment is more and more, the configuration in cloud will more
Add cumbersome, consuming vast resources.
In addition, being still to send mass data, then causing when the Internet resources of Internet of Things are insufficient or communication network is unstable
Network utilization is low.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide one kind can allow monitor terminal to all
Device end the Internet of Things communication means that is identified of device data.
The present invention provides a kind of Internet of Things communication means, based on whole including at least at least one equipment for communicating connection
The Internet of things system at end and monitor terminal, realization allow monitor terminal to identify the device data that device end is sent, and have
There is such feature, comprising: device model establishment step, device end is after access to communication networks, by its corresponding equipment member
Data are sent to monitor terminal, so that monitor terminal generates the device model to match and corresponds to table；Rule settings step is sent, is allowed
User sends rule based on the data between the network condition set device terminal and monitor terminal of communication network；Data packet generates
Sender in sending step, device end or monitor terminal is based on corresponding data and sends rule generation data packet, and is based on
Predetermined rule of communication sends data packets to the recipient in device end or monitor terminal；And data packet receives processing step
Suddenly, recipient receives the data packet sent, and to data packet progress dissection process to obtain corresponding data information,
Wherein, device metadata includes devices collect data item table, acquisition tasks table and device command table, devices collect data item table
Include plurality of data item and data item call number corresponding with each data item and data item identifier, acquisition tasks table
Include acquisition tasks number, at least one data item call number corresponding with the acquisition tasks number and sending time, equipment life
Enabling table includes control task number, at least one data item call number corresponding with the control task number, and monitor terminal is stored with
The identifier resolution table parsed for the data item identifier in the devices collect data item table to all device ends.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, device metadata is also
Comprising equipment identification information, which includes at least manufacturer, model and production sequence number, builds in device model
In vertical step, after monitor terminal receives device metadata, device end can be identified based on equipment identification information.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, the number of device end
Amount is a plurality of, also includes things-internet gateway in Internet of things system, and each device end passes through things-internet gateway and monitor terminal
Connection is communicated, the list of devices of all device ends is stored in things-internet gateway, in device model establishment step, object
While device metadata is sent to monitor terminal by networking gateway, list of devices is also sent to monitor terminal, so that monitoring
Terminal finds all device ends automatically.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, data send rule
Upper count off comprising corresponding with acquisition tasks table form for limiting the reported data that device end is sent to monitor terminal
It according to rule is sent, is generated in sending step in data packet, is based on reported data transmission rule as sender's device end and generates
Reported data packet is sent to the monitor terminal as recipient as the reported data packet of data packet, and based on sending time,
It is received in dissection process step in data packet, the reported data packet that monitor terminal receiving device terminal is sent, and is based on equipment
Model corresponds to table and identifier resolution table and carries out dissection process to the reported data packet, to obtain reporting as data information
Data.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, data send rule
Number is issued comprising corresponding with device command table form for limiting the control command that monitor terminal is sent to device end
It according to rule is sent, is generated in sending step in data packet, the monitor terminal as sender is raw based on data transmission rule is issued
It is sent to data packet is issued as the opposite of recipient at the data packet that issues as data packet, and based on predetermined rule of communication
The device end answered receives in dissection process step in data packet, and what device end reception monitor terminal was sent issues data
Packet, and table is corresponded to based on device model, data packet progress dissection process is issued to this, to obtain the control as data information
Order, device end are based on control command and execute corresponding operation.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, reported data is sent
Rule be at least send data item to be reported report numerical value and data item identifier, issuing data and sending rule is at least to send out
Send the control numerical value and data item identifier of data item to be controlled.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, reported data is sent
Rule be at least send data item to be reported report numerical value and data entry index number, issuing data and sending rule is at least to send out
Send the control numerical value and data entry index number of data item to be controlled.
It in Internet of Things communication means provided by the invention, can also have the following features: wherein, reported data is sent
Rule be at least send data item to be reported report numerical value and acquisition tasks number, issuing data and sending rule is at least to send
The control numerical value and control task number of data item to be controlled.
The action and effect of invention
Related Internet of Things communication means according to the present invention allows each device end to exist by device model establishment step
After access to communication networks, its corresponding device metadata is sent to monitor terminal so that monitor terminal generate match set
Standby model correspond to table, then, allows the data between user's set device terminal and monitor terminal by transmission rule settings step
Rule is sent, further, the sender in device end or monitor terminal sends rule based on the data of setting and generates data packet,
And the recipient in device end or monitor terminal is sent data packets to based on predetermined rule of communication, finally, recipient receives
The data packet sent, and table or identifier resolution table are corresponded to based on device model, dissection process is carried out to obtain to the data packet
To corresponding data information；In addition, in above process, device metadata here includes devices collect data item table, adopts
Set task table and device command table, being stored in monitor terminal being capable of devices collect data item table to all device ends
In the identifier resolution table that is parsed of identifier, enable monitor terminal to the equipment of any one access to communication networks
The device data that terminal is sent is identified, and monitor terminal is not necessarily to carry out complicated networking for different device ends
Configuration, that is to say, that monitor terminal, which realizes, allows device end quickly to network, in addition, setting data according to communication network situation
It sends rule and to communicate more flexible, ensure that and quickly and stably communicated between device end and monitor terminal, it is logical to improve network
Believe efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of data item message store table in the embodiment of the present invention；
Fig. 2 is the schematic diagram of trade information storage table in the embodiment of the present invention；
Fig. 3 is the schematic diagram of data type information storage table in the embodiment of the present invention；
Fig. 4 is the schematic diagram of example information storage table in the embodiment of the present invention；
Fig. 5 is the schematic diagram of numerical value unit information storage table in the embodiment of the present invention；
Fig. 6 is the schematic diagram of devices collect data item table in the embodiment of the present invention；
Fig. 7 is the flow chart of Internet of Things communication means in the embodiment of the present invention；And
Fig. 8 is the schematic diagram that device model corresponds to table in the embodiment of the present invention.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed Internet of Things network communication system of the invention.
In the present embodiment, Internet of Things communication means is applied in Internet of things system, should include at least one in networked system
A device end and a monitor terminal, can be realized by the Internet of Things communication means and allow monitor terminal to arbitrary equipment terminal
The device data sent is identified.Here, device data is the arbitrary data information that device end is sent to monitor terminal.
Each device end includes the device metadata of its own.The device metadata include devices collect data item table,
Acquisition tasks table, device command table and equipment identification information.Here, equipment identification information include at least manufacturer, model with
And production sequence number.Also, in all device ends, at least there are two device ends to use different equipment communication protocols
View, that is to say, that the format for the communication data that two different device ends of equipment communication protocol generate is different.In addition,
Each device end has unique device numbering, in this way, can be found by device numbering convenient for monitor terminal to be communicated
Device end.In the present embodiment, device end can be arbitrary smart machine.
Monitor terminal is stored with identifier resolution table, and the identifier resolution table is for allowing monitor terminal to device end
Use when data item identifier in devices collect data item table is parsed, so that the device data to device end is known
Not.In the present embodiment, monitor terminal can be Internet of Things cloud platform.
Identifier resolution table includes data item message store table, trade information storage table, data type information storage table, reality
Example message store table, numerical value unit information storage table.Specifically,
Fig. 1 is the schematic diagram of data item message store table in the embodiment of the present invention.
As shown in Figure 1, data item message store table 11 is used to store the data item of whole data item 11a of all industries
Title 11b, data item encode 11c and data item type 11d.For example, data item name is known as " presence " in Fig. 1
Data item, for indicating the presence of gateway or device end, data item is encoded to " 6 ", data type is " Bolean number ",
Memonic symbol is " onlinestatus ".
Fig. 2 is the schematic diagram of trade information storage table in the embodiment of the present invention.
As shown in Fig. 2, trade information storage table 12 be used for store all category of employment 12a film name 12b and
SIC code 12c.For example, by taking agricultural as an example, film name 12b is " agricultural ", SIC code 12c is " 1 " in Fig. 2.Separately
Outside, since there are multiple data item to be widely used in various industries, universal, row is provided in category of employment
Industry title 12b is " general ", SIC code 12c is " 0 ".
Fig. 3 is the schematic diagram of data type information storage table in the embodiment of the present invention.
As shown in figure 3, data type information storage table 13 is used to store the data type name of all types of data 13a
13b, data type coding 13c, byte number 13d and data classification 13e.For example, in Fig. 3, data type name 13b is
The data of " int ", for indicating signed integer, data type encode 13c be " 6 ", byte number 13d for " 4 bytes " with
And data classification 13e is " integer ".
Fig. 4 is the schematic diagram of example information storage table in the embodiment of the present invention.
As shown in figure 4, example information storage table 14 is used to store the example code 14b and instance name of each example 14a
14c.For example, example code 14b is first example for " 0 " expression, and example code 14b is for what " 1 " indicated in Fig. 4
Second example, and so on, in this way convenient for multiple identical data item progress areas simultaneous in a device end
Point.As soon as example, four temperature can be acquired in device end simultaneously, at this point, can be to four temperature by example code
It distinguishes.
Fig. 5 is the schematic diagram of numerical value unit information storage table in the embodiment of the present invention.
As shown in figure 5, numerical value unit information storage table 15 is used to store the organization 15b of all data unit 15a
With unit encoding 15c.For example, in Fig. 5, by taking temperature unit as an example, for the meaning degree Celsius to indicate temperature value, list
Position title 15b is " DEG C ", unit encoding 15c is " 3 ".
Based on above-mentioned data item message store table 11, trade information storage table 12, data type information storage table 13, example
Message store table 14 and numerical value unit information storage table 15, in Internet of things system, each device end supports acquisition
Data item all has corresponding data item coding 11c, SIC code 12c, data type coding 13c, instance name 14c, unit
15c is encoded, and these codings constitute unique identifier of each data item.Correspondingly, the information of all data item
Then form devices collect data item table.
Fig. 6 is the schematic diagram of devices collect data item table in the embodiment of the present invention.
As shown in fig. 6, in the present embodiment, devices collect data item table 16 includes the data item rope of each data item 16a
Quotation marks 16b, data item coding 11c, SIC code 12c, data type coding 13c, instance name 14c, unit encoding 15 and
Read-write mark 16c.Data item call number 16b and data item 16a are uniquely corresponding, that is to say, that pass through data item call number 16b
It can then determine unique data item 16a.In addition, read-write mark 16c is used to show that the corresponding executing agency of data item 16a is
The write-in of no support data, i.e., user whether control command can be sent from monitor terminal to control the executing agency of the data item, tool
Body, the read-write flag bit can be " read-write " or " read-only " etc..For example, data item call number 16b " 0 " indicates number in Fig. 6
According to item coding 11c is " 8 ", SIC code 12c is " 0 ", data type coding 13c is " 0 ", example code 14b is " 0 ", unit
Coding 15c is " 0 " and read-write mark is the data item of " read-write ", is further able to access the data item to be that every profession and trade is general
Parameter " switch ".
The acquisition tasks table of each device end is that all data item of acquisition is supported to preset according to device end
Collection rule, it include acquisition tasks number, at least one data item call number corresponding with the acquisition tasks number and hair
Send the time.
Here sending time be used for limit corresponding data item call number matched data item on call time, i.e.,
In device end the corresponding executing agency of each data item collect it is corresponding report numerical value after, device end is based on a data item
Corresponding sending time carries out data to monitor terminal and reports；The sending time can be fixed as it is daily sometime, can also
Think the periodical time.
As shown in table 1 below, specific acquisition tasks table can be with are as follows:
1 acquisition tasks table of table
As can be seen from Table 1: data item call number is that the sending time of the data item of " 0 " and " 1 " is all " daily 8 point report
Once ", and two data item can be according to acquisition tasks number while reported data, can also be first according to respective identifier
Reported data afterwards.
The device command table of each device end is that the read-write mark for all data item supported according to device end is
The data item setting of " read-write ", it includes control task number, at least one data item rope corresponding with the control task number
Quotation marks.
As shown in table 2 below, specific device command table can be with are as follows:
2 device command table of table
| Control task number | Data item number | Data item call number |
| 0 | 2 | 0,1 |
As can be seen from Table 2: device end support from monitor terminal issue control command be written data item be two and
Data item call number is " 0 " and " 1 ", and two data item can be according to control task number while writing commands, can also basis
Control command is successively written in the identifier of data item.
Fig. 7 is the flow chart of Internet of Things communication means in the embodiment of the present invention.
As shown in fig. 7, in the present embodiment, Internet of Things communication means includes the following steps:
Step S1 (device model establishment step), each device end respectively corresponding set its after access to communication networks
Standby metadata is sent to monitor terminal, so that monitor terminal generates phase based on the devices collect data item table of all device ends
Matched device model corresponds to table.
Fig. 8 is the schematic diagram that device model corresponds to table in the embodiment of the present invention.
As shown in figure 8, device model corresponds to the information that table 17 contains the devices collect data item table of three device ends
And the device numbering 17a of device end.
In addition, can also be carried out to device end after monitor terminal receives device metadata based on equipment identification information
Identification.I.e., the production informations such as manufacturer, model and the production sequence number of device end are identified.
The device model for then completing to establish all device ends above in monitor terminal corresponds to table, subsequently into step
S2。
Step S2 (sends rule settings step), network condition set device terminal of the user based on communication network and monitoring
Data between terminal send rule.Here, data send regular regular comprising reported data transmission and issue data transmission rule
Then.
Reported data sends that rule is corresponding with acquisition tasks table, is sent to monitor terminal for limiting device end
The form of count off evidence.
It issues data and sends the control that rule is corresponding with device command table, sends for limiting monitor terminal to device end
Make the form of order.
According to devices collect data item table, it can be at least send data item to be reported upper that reported data, which sends rule,
Count off value and data item identifier；Can also be at least send data item to be reported report numerical value and data entry index number.
According to acquisition tasks table, reported data send rule can be at least send data item to be reported report numerical value
With acquisition tasks number.
Table is corresponded to according to device model, issuing data and sending rule can be the control at least sending data item to be controlled
Numerical value and data item identifier；It can also be the control numerical value and data entry index number at least sending data item to be controlled.
According to device command table, issuing data and sending rule can be the control numerical value at least sending data item to be controlled
With control task number.
After the above completion rule of communication setting procedure, subsequently into step S3.
Step S3 (data packet generation sending step), the sender in device end or monitor terminal are based on data and send rule
Data packet is then generated, and the data packet is passed through by communication network based on the predetermined rule of communication between device end and monitor terminal
The recipient being sent in device end and monitor terminal.
Here, predetermined rule of communication can be HTTP/websocket agreement, Modbus agreement, mqtt agreement or TCP/IP
Agreement etc..In this way, being advised for two device ends with different equipment communication protocol according to identical predetermined communication
Then, which can generate the identical two reported data packets of tunneling.
After the above completion data packet generates sending step, subsequently into step S4.
Step S4 (data packet receive dissection process step), recipient in monitor terminal or device end is to sending
Data packet is received, and is corresponded to table and/or identifier resolution table based on device model and solved to the data packet being received
Analysis processing, so that corresponding data information is obtained, subsequently into step S5.
Step S5, the corresponding operation of data information that recipient is obtained based on parsing, subsequently into end state.
Rule is sent to data below and step S3 and S4 are illustrated:
One, device end is to monitor terminal reported data
In step S3 (data packet generation sending step), reported data is based on as sender's device end and sends rule
The reported data packet as data packet is generated, and is sent to reported data packet based on predetermined rule of communication and according to sending time
Monitor terminal as recipient.
In step S4 (data packet receive dissection process step), upper count off that monitor terminal receiving device terminal is sent
According to packet, and table and identifier resolution table are corresponded to based on device model, dissection process is carried out to the reported data packet, to be made
For the reported data of data information.
The different situations of rule, reported data process are sent in conjunction with reported data specifically:
(1) at least send data item to be reported reports numerical value and data item identifier
At this point, the reported data packet that device end generates is as shown in table 3 below:
3 reported data packet one of table
As can be seen from Table 3: the data volume transmitted at this time is maximum, and therefore, the Internet resources for communicating occupancy are larger, and network is negative
Lotus is heavier, and communication efficiency is lower.
After monitor terminal receives the reported data, dissection process process is as follows:
It is encoded by SIC code and data item, it is known that the data item reported is agricultural data item space encoder " soil
PH " and " soil moisture ", data type coding is all 1, it is known that data value is a byte unsigned number, and example code is all 0,
Expression is first example of " P in soil H " and " soil moisture ", and " P in soil H " unit encoding is 0, indicates no unit, " soil
Humidity " unit encoding is 4, indicates percentage units, then explains from data item occurrence, " P in soil H " is 5, and " soil moisture " is
40%.
(2) at least send data item to be reported reports numerical value and data entry index number
At this point, the reported data packet that device end generates is as shown in table 4 below:
4 reported data packet two of table
As can be seen from Table 4: the data volume transmitted at this time is less, therefore, compared with overall format, communicates the network of occupancy
Resource is smaller, and network load is smaller, and communication efficiency is higher.
After monitor terminal receives the reported data, dissection process process is as follows:
First by data item call number, is corresponded to from device model and find corresponding data item coding in table, industry is compiled
Code, data type coding, example code and unit encoding, next process are identical as " overall format ".It finally obtains, number
It is " P in soil H " according to the corresponding data item of entry index number " 5 ", the corresponding data item of data item call number " 6 " is " soil moisture ",
Then it explains and obtains from data item occurrence, " P in soil H " is 5, and " soil moisture " is 40%.
(3) at least send data item to be reported reports numerical value and acquisition tasks number
At this point, the reported data packet that device end generates is as shown in table 5 below:
5 reported data packet three of table
As can be seen from Table 5: the data volume transmitted at this time is minimum, and therefore, compared with data item indexed format, communication is occupied
Internet resources it is minimum, network load is minimum, communication efficiency highest.
After monitor terminal receives the reported data, dissection process process is as follows:
First by task number, is sent in rule from reported data and find the corresponding data item call number of task number " 2 "
Are as follows: 5 and 6 are further corresponded to from device model based on data item call number and find corresponding data item coding, industry in table
Coding, data type coding, example code and unit encoding, next process are identical as " overall format ".It finally obtains,
The corresponding data item of data item call number " 5 " is " P in soil H ", and the corresponding data item of data item call number " 6 " is that " soil is wet
Degree ", is then explained from data item occurrence, " P in soil H " is 5, and " soil moisture " is 40%.
Two, monitor terminal issues control command to device end transmission
In step S3 (data packet generation sending step), the monitor terminal as sender is based on issuing data transmission rule
The data packet that issues as data packet is then generated, and is sent to data packet is issued as recipient's based on predetermined rule of communication
Corresponding device end.
In step S4 (data packet receives dissection process step), what device end reception monitor terminal was sent issues number
According to packet, and table is corresponded to based on device model, data packet progress dissection process is issued to this, to obtain the control as data information
System order.
Regular different situations are sent in conjunction with data are issued, issue control command process specifically:
(1) the control numerical value and data item identifier of data item to be controlled are at least sent
At this point, monitor terminal generate to issue data packet as shown in table 6 below:
Table 6 issues data packet one
As can be seen from Table 6: the data volume transmitted at this time is maximum, and therefore, the Internet resources for communicating occupancy are larger, and network is negative
Lotus is heavier, and communication efficiency is lower.
Device end receives after this issues data, and dissection process process is as follows:
It is encoded by SIC code and data item, it is known that the data item issued is that general data item space encoder " is opened
Close ", data type coding is all 0, it is known that data value is a Bolean number, and example code is 0 and 1, is indicated there are two " switches "
Example, unit encoding are 0, indicate no unit, then explain from data item occurrence, and " switch " 0 is to close, and " switch " 1 is out, if
Standby terminal is based on corresponding data item occurrence and executes corresponding control operation, i.e., closes first example " switch ", open second
Example " switch ".
(2) the control numerical value and data entry index number of data item to be controlled are at least sent
At this point, monitor terminal generate to issue data packet as shown in table 7 below:
Table 7 issues data packet two
As can be seen from Table 7: the data volume transmitted at this time is less, therefore, compared with overall format, communicates the network of occupancy
Resource is smaller, and network load is smaller, and communication efficiency is higher.
Device end receives after this issues data, and dissection process process is as follows:
First by data item call number, is corresponded to from device model and find corresponding data item coding in table, industry is compiled
Code, data type coding, example code and unit encoding, next process are identical as " overall format ".It finally obtains, number
It is first example " switch " according to the corresponding data item of entry index number " 0 ", the corresponding data item of data item call number " 1 " is second
A example " switch ", then explains from data item occurrence, and " switch " 0 is to close, and " switch " 1 is out, and device end is based on corresponding
Data item occurrence executes corresponding control operation, i.e., closes first example " switch ", open second example " switch ".
(3) the control numerical value and control task number of data item to be controlled are at least sent
At this point, monitor terminal generate to issue data packet as shown in table 8 below:
Table 8 issues data three
As can be seen from Table 8: the data volume transmitted at this time is minimum, and therefore, compared with data item indexed format, communication is occupied
Internet resources it is minimum, network load is minimum, communication efficiency highest.
Device end receives after this issues data, and dissection process process is as follows:
First by task number, is sent in rule from reported data and find the corresponding data item call number of task number " 0 "
Are as follows: 0 and 1 further by data item call number, correspond to from device model and find corresponding data item coding, industry in table
Coding, data type coding, example code and unit encoding, next process are identical as " overall format ".It finally obtains,
The corresponding data item of data item call number " 0 " is first example " switch ", and the corresponding data item of data item call number " 1 " is the
Two examples " switch ", then explain from data item occurrence, and " switch " 0 is to close, and " switch " 1 is out, and device end is based on corresponding to
Data item occurrence execute corresponding control operation, i.e., close first example " switch ", open second example " switch ".
The action and effect of embodiment
The Internet of Things communication means according to involved in the present embodiment allows each device end by device model establishment step
After access to communication networks, its corresponding device metadata is sent to monitor terminal, so that monitor terminal generation matched
Device model corresponds to table, then, allows the number between user's set device terminal and monitor terminal by sending rule settings step
According to rule is sent, further, the sender in device end or monitor terminal sends rule based on the data of setting and generates data
Packet, and the recipient in device end or monitor terminal is sent data packets to based on predetermined rule of communication, finally, recipient connects
Transmit and receive come data packet, and based on device model correspond to table or identifier resolution table to the data packet carry out dissection process thus
Obtain corresponding data information；In addition, in above process, device metadata here include devices collect data item table,
Acquisition tasks table and device command table, being stored in monitor terminal being capable of devices collect data item to all device ends
The identifier resolution table that identifier in table is parsed, enables monitor terminal to set any one access to communication networks
The device data that standby terminal is sent is identified, and monitor terminal is not necessarily to carry out entering for complexity for different device ends
Net configuration, that is to say, that monitor terminal, which realizes, allows device end quickly to network, in addition, setting number according to communication network situation
To communicate more flexible according to rule is sent, ensure that and quickly and stably communicated between device end and monitor terminal, improves network
Communication efficiency.
In the present embodiment, by information such as the manufacturer that includes in device metadata, model and production sequence numbers, make
Device end can be identified by obtaining monitor terminal.
In the present embodiment, multiple control commands are sent to device end simultaneously when monitor terminal is based on control task number
When, it realizes device end and is performed simultaneously multiple operations.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
In the Internet of things system of the present embodiment, device end is connect by communication network with monitor terminal direct communication,
And in the Internet of things system that the present invention applies, Internet of things system can also include things-internet gateway, at this point, each device end
It is communicated and is connect with monitor terminal by things-internet gateway, correspondingly, in things-internet gateway be stored with all device ends
List of devices.In this way, the device metadata of all device ends passes through things-internet gateway quilt in device model establishment step
It is sent to monitor terminal, meanwhile, list of devices is also sent to monitor terminal by things-internet gateway, so that monitor terminal is found automatically
All device ends.In addition, when device end itself not default device metadata, it can be in things-internet gateway based on real
Border situation establishes the matched device metadata of device end, equally can be realized above-mentioned communication means and corresponding effect and effect
Fruit.
Claims (8)
1. a kind of Internet of Things communication means, based on including at least at least one device end and monitor terminal for communicating connection
Internet of things system realizes that the device data for allowing the monitor terminal to send the device end identifies that feature exists
In, comprising the following steps:
Its corresponding device metadata is sent to by device model establishment step, the device end after access to communication networks
The monitor terminal, so that the monitor terminal generates the device model to match and corresponds to table；
Rule settings step is sent, user is allowed to set the device end and the prison based on the network condition of the communication network
Data between control terminal send rule；
Data packet generates sending step, and the sender in the device end or the monitor terminal is based on the corresponding data
It sends rule and generates data packet, and the data packet is sent to by the device end or the monitoring based on predetermined rule of communication
Recipient in terminal；And
Data packet receives processing step, and the recipient receives the data packet sent, and parses to the data packet
It handles to obtain corresponding data information,
Wherein, the device metadata includes devices collect data item table, acquisition tasks table and device command table,
The devices collect data item table includes that plurality of data item and data item corresponding with each data item are known
Alias and data entry index number,
The acquisition tasks table includes acquisition tasks number, at least one described data entry index corresponding with the acquisition tasks number
Number and sending time,
The device command table includes control task number, at least one described data entry index corresponding with the control task number
Number,
The monitor terminal is stored with for described in the devices collect data item table to all device ends
The identifier resolution table that data item identifier is parsed.
2. Internet of Things communication means according to claim 1, it is characterised in that:
Wherein, the device metadata also includes equipment identification information, the equipment identification information include at least manufacturer, model with
And production sequence number,
In the device model establishment step, after the monitor terminal receives the device metadata, it is based on the equipment
Identification information can identify the device end.
3. Internet of Things communication means according to claim 2, it is characterised in that:
Wherein, the quantity of the device end is a plurality of,
It also include things-internet gateway in the Internet of things system,
Each device end, which is communicated by the things-internet gateway with the monitor terminal, to be connect, the things-internet gateway
In be stored with the list of devices of all device ends,
In the device model establishment step, the device metadata is sent to the monitor terminal by the things-internet gateway
While, the list of devices is also sent to the monitor terminal so that the monitor terminal find automatically it is all described
Device end.
4. Internet of Things communication means according to claim 3, it is characterised in that:
Wherein, the data send rule comprising it is corresponding with the acquisition tasks table, for limiting the device end to institute
The reported data for stating the form of the reported data of monitor terminal transmission sends rule,
It generates in sending step in the data packet, is sent as device end described in described sender based on the reported data
Rule generates the reported data packet as the data packet, and the reported data packet is sent to work based on the sending time
For the monitor terminal of the recipient,
Received in dissection process step in the data packet, the monitor terminal receive that the device end sends it is described on
Data packet is reported, and table is corresponded to and the identifier resolution table carries out at parsing the reported data packet based on the device model
Reason, to obtain the reported data as the data information.
5. Internet of Things communication means according to claim 1, it is characterised in that:
Wherein, the data send rule also comprising it is corresponding with the device command table, for limit the monitor terminal to
The data that issue of the form for the control command that the device end is sent send rule,
It is generated in sending step in the data packet, the monitor terminal as described sender is based on the data that issue and sends out
It send rule to generate the data packet that issues as the data packet, and data packet hair is issued for described based on the predetermined rule of communication
It send to the corresponding device end as recipient,
Received in dissection process step in the data packet, the device end receive that the monitor terminal sends it is described under
Data packet is sent out, and table is corresponded to based on the device model, data packet progress dissection process is issued to this, to obtain as described
The control command of data information,
The device end is based on the control command and executes corresponding operation.
6. Internet of Things communication means according to claim 4 or 5, it is characterised in that:
Wherein, the reported data send rule be at least send the data item to be reported report numerical value and the data
Item identifier,
The data transmission rule that issues is that the control numerical value at least sending the data item to be controlled and the data item are known
Alias.
7. Internet of Things communication means according to claim 4 or 5, it is characterised in that:
Wherein, the reported data send rule be at least send the data item to be reported report numerical value and the data
Entry index number,
The data transmission rule that issues is the control numerical value and the data item rope at least sending the data item to be controlled
Quotation marks.
8. Internet of Things communication means according to claim 4 or 5, it is characterised in that:
Wherein, the reported data send rule be at least send the data item to be reported report numerical value and the acquisition
Task number,
The data transmission rule that issues is the control numerical value at least sending the data item to be controlled and the control task
Number.
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| CN106878429B (en) * | 2017-02-24 | 2020-01-07 | 上海海事大学 | Remotely-controlled ship information returning device and control method thereof |
| EP3376731B1 (en) * | 2017-03-15 | 2019-12-25 | ABB Schweiz AG | Rule-based information exchange in internet of things |
| CN107317852A (en) * | 2017-06-20 | 2017-11-03 | 普奥云信息科技(北京)有限公司 | Smart machine, communication system and the method extended based on MODBUS |
| CN107317726A (en) * | 2017-06-21 | 2017-11-03 | 深圳市盛路物联通讯技术有限公司 | The method for controlling reporting and equipment of a kind of Internet of Things data |
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