CN113691953A - Intelligent sensor network interface self-recognition system based on wireless communication technology - Google Patents
Intelligent sensor network interface self-recognition system based on wireless communication technology Download PDFInfo
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- CN113691953A CN113691953A CN202110966407.XA CN202110966407A CN113691953A CN 113691953 A CN113691953 A CN 113691953A CN 202110966407 A CN202110966407 A CN 202110966407A CN 113691953 A CN113691953 A CN 113691953A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
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Abstract
The invention relates to an intelligent sensor network interface self-identification system based on a wireless communication technology, which comprises an application master station, a gateway and a plurality of electric power sensing devices, wherein the gateway comprises modules of SN code standard identification, data model matching, self-identification registration, protocol adaptation and the like. The invention combines the practical application requirement of electric power, utilizes the network protocol foundation and hardware resources of the gateway protocol adaptation module to realize the self-identification of the network interface of the IEEE1451 networked intelligent sensor, supports the ubiquitous access of multi-type and multi-mode sensing equipment, can realize the uniform access management of the sensing equipment based on the service terminal in a lower cost and safer mode, and is convenient for the flexible deployment, upgrading and reconstruction of the electric power field internet of things equipment.
Description
Technical Field
The invention belongs to the field of power equipment access, and particularly relates to an intelligent sensor network interface self-identification system based on a wireless communication technology.
Background
With the rapid development of the internet of things, the application field of the internet of things system becomes wider and wider, and each system needs a large amount of sensing equipment to be accessed. At present, the variety of sensing equipment is various, a unified communication protocol is lacked among the sensing equipment, so that the process of accessing the sensing equipment into the internet of things system is very complex, a communication link between the sensing equipment and the internet of things system needs to be established, complicated interface communication parameters need to be configured, and complicated programs need to be compiled for data acquisition. Generally, an end user of an internet of things system or a system needs to access a sensing control device into the system during development of the system, and the end user is very difficult to operate a new sensing device to access the internet of things system due to lack of knowledge of communication between the sensing device and a computer interface and the like, and usually needs a developer to change application codes. System developers need to meet the requirements of end users through complex data acquisition, program compiling and debugging. The current software design and development period is long, the cost is high, and the requirement of dynamic access of a large number of sensing devices of the Internet of things cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an intelligent sensor network interface self-recognition system based on a wireless communication technology, which adopts the following technical scheme:
an intelligent sensor network interface self-recognition system based on a wireless communication technology comprises an application master station, a gateway and a plurality of power sensing devices; the application master station is used for access authentication of the power sensing equipment and monitoring the running state of the power sensing equipment in real time; the gateway provides an MQTT protocol in an uplink mode to realize the function of docking with the application master station, and provides a plurality of near field communication interfaces in a downlink mode to be connected with a plurality of electric power sensing devices to realize the forwarding of data and control information collected between the electric power sensing devices and the application master station;
the gateway comprises an SN coding specification identification module, a data model matching module, a self-identification registration module, a protocol adaptation module, a sensing interface module and a strategy configuration module, wherein:
the SN code specification identification module judges whether the accessed power sensing equipment is effective equipment or not through an SN code format so as to specify the access of various equipment and ensure the uniqueness of the equipment;
the data model matching module is used for carrying out model matching according to the type of the accessed power sensing equipment, and the data model is a model established for each power sensing equipment protocol according to a unified standard;
the self-recognition registration module generates asset information according to the matched data model and reports the asset information to the application master station;
the strategy configuration module is used for configuring data acquisition frequency and parameter threshold of each power sensing device;
the protocol adaptation module comprises bridge protocol conversion and network protocol adaptation, wherein the bridge protocol conversion comprises an object manager, a protocol converter and a device manager; the object manager is responsible for creating, managing and logging off an IEEE1451 object, after the network protocol adaptation task is started, if a sensing interface module is accessed to the network protocol adaptation task, the object manager creates and manages the IEEE1451 object for the object manager, and if the sensing interface module is disconnected, the object manager logs off the IEEE1451 object; the protocol converter is used for realizing information mapping between the IEEE1451 object and the virtual UPnP device, informing the device manager of joining and leaving of the IEEE1451 object, receiving a request of the device manager and sending a response event to the device manager; the device manager creates a virtual UPnP device upon receiving a join message of the IEEE1451 object, and deregisters the corresponding virtual UPnP device upon receiving a leave message of the IEEE1451 object.
Further, the identification access process of the power sensing equipment in the system is as follows:
the method comprises the steps that electric power sensing equipment to be accessed sends an access request signal to a gateway;
a protocol adaptation module of the gateway receives and analyzes the access request signal, and then checks the SN code obtained by analysis through an SN code specification identification module of the gateway;
if the checking fails, the gateway sends a checking failure signal, after receiving the checking failure signal, the power sensing equipment to be accessed performs SN (serial number) coding format verification and repair, and sends an access request signal to the gateway again;
if the verification is successful, a data model matching module of the gateway performs data model matching according to the type of the power sensing equipment to be accessed, and the data model matching module is handed over to a self-identification registration module for processing after the matching is completed;
the self-identification registration module generates asset information according to the matched data model and reports the asset information to the application master station, and the application master station receives the asset information and carries out analysis and authentication;
if the authentication fails, the application master station sends feedback information to the gateway, and the gateway automatically checks asset information and reports the asset information to the application master station again after receiving the authentication failure information;
if the authentication is successful, the master station is applied to register the equipment, generate a unique identification ID and feed back an authentication result to the gateway;
and after receiving the authentication result, the gateway binds the unique identification ID with the asset information to complete the identification access of the electric power sensing equipment to be accessed.
Further, the plurality of power sensing devices comprise wireless temperature and humidity sensors, wireless noise sensors and intelligent cameras.
Further, the near field communication interface comprises RJ45, BLE, ZigBee, USB, RS232 serial ports and wireless communication protocols.
Further, the data model comprises SN codes, names, models, description information, communication modes and service lives of the power sensing equipment; the SN code is the unique identification of the power sensing equipment and comprises a manufacturer code, a version label, a version number and a product serial number.
Further, the asset information includes a SN code and a gateway ID.
Further, the IEEE1451 object includes spreadsheet parsing information, IEEE1451 commands, and sensory data.
Furthermore, the SN code specification identification module checks the SN code of the power sensing device, and if the SN code of the power sensing device conforms to the SN code specification, the checking is successful, otherwise, the checking is failed.
The invention combines the practical application requirement of electric power, utilizes the network protocol foundation and hardware resources of the gateway protocol adaptation module to realize the self-identification of the network interface of the IEEE1451 networked intelligent sensor, supports the ubiquitous access of multi-type and multi-mode sensing equipment, can realize the uniform access management of the sensing equipment based on the service terminal in a lower cost and safer mode, and is convenient for the flexible deployment, upgrading and reconstruction of the electric power field internet of things equipment.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
fig. 2 is a schematic view of an access flow of the sensing device in the embodiment of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the system of the invention includes an application master station, a gateway and a plurality of power sensing devices, wherein the gateway provides an MQTT protocol in an uplink direction to realize a docking function with the application master station, and provides RJ45, BLE, ZigBee, USB, RS232 serial ports, wireless communication protocols and other short-distance communication interfaces in a downlink direction to connect the plurality of power sensing devices, so as to realize forwarding of data collected and control information between the power sensing devices and the application master station. The gateway also comprises modules of SN coding specification identification, data model matching, self-identification registration, protocol adaptation, strategy configuration and the like, wherein:
(1) the SN code specification identification module judges whether the accessed power sensing equipment is effective equipment or not through an SN code format so as to specify the access of various equipment and ensure the uniqueness of the equipment. The SN code is the only mark of the sensing equipment and comprises a manufacturer code, a version label, a version number and a product serial number, when the manufacturer leaves a factory, the SN code is filled in the equipment according to the specification, and the SN code of the sensing equipment can be reported during communication.
(2) The data model matching module is used for carrying out model matching according to the type of the accessed power sensing equipment, and the data model is a model established for each power sensing equipment protocol according to a unified standard and comprises SN codes, names, models, description information, communication modes and service life of the power sensing equipment.
(3) And the self-identification registration module generates asset information (comprising SN codes and gateway IDs) according to the matched data model and reports the asset information to the application master station.
(4) The strategy configuration module is used for configuring data acquisition frequency and parameter threshold of each power sensing device.
(5) The protocol adaptation module comprises bridge protocol conversion and network protocol adaptation, and the bridge protocol conversion comprises an object manager, a protocol converter and a device manager. The object manager is responsible for creating, managing and logging off the IEEE1451 object (including spreadsheet parsing information, IEEE1451 commands and sensing data), after the network protocol adaptation task is started, if a sensing interface module accesses the network protocol adaptation task, the object manager creates and manages the IEEE1451 object for the sensing interface module, and if the sensing interface module is disconnected, the object manager logs off the IEEE1451 object. The protocol converter is used for realizing information mapping of the IEEE1451 object and the virtual UPnP device, informing the device manager of joining and leaving of the IEEE1451 object, receiving a request of the device manager, and transmitting a response event thereto. The device manager creates a virtual UPnP device upon receiving a join message of the IEEE1451 object, and deregisters the corresponding virtual UPnP device upon receiving a leave message of the IEEE1451 object.
Fig. 2 is a flow chart of the system self-identification access of the present invention, specifically:
s1: debugging personnel debug the power sensing equipment to be accessed and send an access request signal to the gateway;
s2: the protocol adaptation module of the gateway analyzes after receiving the access request signal, checks the analyzed SN code through the SN code specification identification module, if the SN code specification is met, the checking is successfully executed S4, otherwise, S3 is executed;
s3: after receiving the check failure signal, the power sensing equipment to be accessed performs SN (serial number) coding format verification and repair, and then performs S1;
s4: a data model matching module of the gateway acquires information such as SN codes of the electric power sensing equipment to be accessed, and the information is handed over to a self-recognition registration module for processing after matching a data model according to the equipment type;
s5: an automatic registration module of the gateway establishes equipment asset information according to the data model, wherein the equipment asset information comprises SN codes and gateway IDs;
s6: actively reporting equipment asset information to an application master station after the self-identification registration of the gateway is completed;
s7: the application master station analyzes the SN code and the gateway ID after receiving the SN code and the gateway ID;
s8: the application master station analyzes the information and then performs equipment authentication, at this time, the operation and maintenance personnel check equipment list information (the manufacturer provides an access list to the operation and maintenance personnel of the application master station offline), the authentication is successfully performed S10, and the authentication is failed to be performed S9;
s9: the gateway is fed back after the authentication of the master station fails, the gateway automatically checks the reported information and reports the authentication again, and then S7 is executed;
s10: after the master station successfully authenticates, the equipment registers to generate a unique identification ID (resourceID) and feeds back an authentication result to the gateway;
s11: and the gateway updates the asset information after receiving the result fed back by the master station, and binds the unique identification ID (resource ID) with the asset information of the new equipment to complete the self-identification access of the new equipment.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. An intelligent sensor network interface self-recognition system based on a wireless communication technology is characterized by comprising an application master station, a gateway and a plurality of power sensing devices; the application master station is used for access authentication of the power sensing equipment and monitoring the running state of the power sensing equipment in real time; the gateway provides an MQTT protocol in an uplink mode to realize the function of docking with the application master station, and provides a plurality of near field communication interfaces in a downlink mode to be connected with a plurality of electric power sensing devices to realize the forwarding of data and control information collected between the electric power sensing devices and the application master station;
the gateway comprises an SN coding specification identification module, a data model matching module, a self-identification registration module, a protocol adaptation module, a sensing interface module and a strategy configuration module, wherein:
the SN code specification identification module judges whether the accessed power sensing equipment is effective equipment or not through an SN code format so as to specify the access of various equipment and ensure the uniqueness of the equipment;
the data model matching module is used for carrying out model matching according to the type of the accessed power sensing equipment, and the data model is a model established for each power sensing equipment protocol according to a unified standard;
the self-recognition registration module generates asset information according to the matched data model and reports the asset information to the application master station;
the strategy configuration module is used for configuring data acquisition frequency and parameter threshold of each power sensing device;
the protocol adaptation module comprises bridge protocol conversion and network protocol adaptation, wherein the bridge protocol conversion comprises an object manager, a protocol converter and a device manager; the object manager is responsible for creating, managing and logging off an IEEE1451 object, after the network protocol adaptation task is started, if a sensing interface module is accessed to the network protocol adaptation task, the object manager creates and manages the IEEE1451 object for the object manager, and if the sensing interface module is disconnected, the object manager logs off the IEEE1451 object; the protocol converter is used for realizing information mapping between the IEEE1451 object and the virtual UPnP device, informing the device manager of joining and leaving of the IEEE1451 object, receiving a request of the device manager and sending a response event to the device manager; the device manager creates a virtual UPnP device upon receiving a join message of the IEEE1451 object, and deregisters the corresponding virtual UPnP device upon receiving a leave message of the IEEE1451 object.
2. The intelligent sensor network interface self-identification system based on the wireless communication technology as claimed in claim 1, wherein the identification access process of the power sensing equipment is as follows:
the method comprises the steps that electric power sensing equipment to be accessed sends an access request signal to a gateway;
a protocol adaptation module of the gateway receives and analyzes the access request signal, and then checks the SN code obtained by analysis through an SN code specification identification module of the gateway;
if the checking fails, the gateway sends a checking failure signal, after receiving the checking failure signal, the power sensing equipment to be accessed performs SN (serial number) coding format verification and repair, and sends an access request signal to the gateway again;
if the verification is successful, a data model matching module of the gateway performs data model matching according to the type of the power sensing equipment to be accessed, and the data model matching module is handed over to a self-identification registration module for processing after the matching is completed;
the self-identification registration module generates asset information according to the matched data model and reports the asset information to the application master station, and the application master station receives the asset information and carries out analysis and authentication;
if the authentication fails, the application master station sends feedback information to the gateway, and the gateway automatically checks asset information and reports the asset information to the application master station again after receiving the authentication failure information;
if the authentication is successful, the master station is applied to register the equipment, generate a unique identification ID and feed back an authentication result to the gateway;
and after receiving the authentication result, the gateway binds the unique identification ID with the asset information to complete the identification access of the electric power sensing equipment to be accessed.
3. The system according to claim 1, wherein the plurality of power sensing devices comprise a wireless temperature and humidity sensor, a wireless noise sensor and an intelligent camera.
4. The intelligent sensor network interface self-identification system based on the wireless communication technology as claimed in claim 1, wherein the close range communication interface comprises RJ45, BLE, ZigBee, USB, RS232 serial port and wireless communication protocol.
5. The intelligent sensor network interface self-recognition system based on wireless communication technology as claimed in claim 1, wherein the data model comprises SN codes, names, models, description information, communication modes and service lives of the power sensing devices; the SN code is the unique identification of the power sensing equipment and comprises a manufacturer code, a version label, a version number and a product serial number.
6. The intelligent sensor network interface self-identification system based on wireless communication technology as claimed in claim 1, wherein the asset information comprises SN code and gateway ID.
7. The intelligent sensor network interface self-recognition system based on wireless communication technology as claimed in claim 1, wherein said IEEE1451 object comprises spreadsheet parsing information, IEEE1451 commands and sensing data.
8. The intelligent sensor network interface self-recognition system based on the wireless communication technology as claimed in claim 2, wherein the SN code specification recognition module checks an SN code of the power sensing device, and if the SN code of the power sensing device meets an SN code specification, the checking is successful, otherwise, the checking is failed.
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| CN202110966407.XA CN113691953A (en) | 2021-08-23 | 2021-08-23 | Intelligent sensor network interface self-recognition system based on wireless communication technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193762A (en) * | 2019-09-20 | 2020-05-22 | 浙江中控自动化仪表有限公司 | Remote equipment control method based on intelligent data gateway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193762A (en) * | 2019-09-20 | 2020-05-22 | 浙江中控自动化仪表有限公司 | Remote equipment control method based on intelligent data gateway |
| CN111193762B (en) * | 2019-09-20 | 2022-08-23 | 浙江中控自动化仪表有限公司 | Remote equipment control method based on intelligent data gateway |
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