CN111212120A - Thing allies oneself with middleware based on fire control thing networking data acquisition and transmission - Google Patents
Thing allies oneself with middleware based on fire control thing networking data acquisition and transmission Download PDFInfo
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- CN111212120A CN111212120A CN201911350132.6A CN201911350132A CN111212120A CN 111212120 A CN111212120 A CN 111212120A CN 201911350132 A CN201911350132 A CN 201911350132A CN 111212120 A CN111212120 A CN 111212120A
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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
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
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Abstract
The invention provides an Internet of things middleware based on fire-fighting Internet of things data acquisition and transmission, which is combined with the use scene of Internet of things equipment on the basis of the related standard of the existing Internet of things technology and mainly solves the problems of access of different equipment and message forwarding. The data transmission, analysis, processing, encapsulation and conversion are completed through a standardized protocol, the resource information is classified and integrated to be stored in a structured mode and an unstructured mode, and finally the resource information is transmitted to an upper layer application. The Internet of things middleware opens up a high-efficiency, safe and reliable channel for the whole process of the Internet of things data from the sensing equipment to the upper layer application on the safety stability of data acquisition, transmission and system according to the existing technical standard related to information safety, so that the safety technical standard of the fire-fighting Internet of things is further improved.
Description
Technical Field
The invention relates to the field of Internet of things middleware, in particular to Internet of things middleware based on fire-fighting Internet of things data acquisition and transmission.
Background
The traditional internet of things technology utilizes technologies such as wireless sensing, protocol conversion and communication network to intelligently manage fire-fighting equipment such as fire-fighting facilities and equipment, and remote parameter configuration and remote control functions are realized. However, the instrument devices of different manufacturers have great differences, which are mainly embodied in various aspects such as hardware, access modes, communication protocols and the like, and various devices are widely distributed and have single functions and are only responsible for specific work. For example, the smoke alarm is only responsible for smoke sensation identification, and the smoke alarm does not have other perception functions. A large number of sensing devices must be classified according to their function. This disparity increases the difficulty and administrative complexity of device access. Therefore, in order to solve the problems, the invention provides the internet of things middleware based on fire-fighting internet of things data acquisition and transmission, and the internet of things middleware is compatible with almost all common communication protocols by abundant communication port integrated management mechanisms, so that the problem of internet of things resource integration is solved, and the problem of internet of things resource integration is solved.
Disclosure of Invention
In view of the above, the invention provides an internet of things middleware based on fire-fighting internet of things data acquisition and transmission, and the internet of things middleware is compatible with almost all common communication protocols by using abundant communication port integrated management mechanisms, thereby solving the problem of internet of things resource integration and the problem of internet of things resource integration.
The technical scheme of the invention is realized as follows: the invention provides an Internet of things middleware based on fire-fighting Internet of things data acquisition and transmission, which comprises a data management module, wherein the data management module comprises an equipment data management module, an equipment time sequence data management module, a user management data module and a log recording module;
the device data management module defines the device type and the device port IP;
the equipment time sequence data management module converts the time sequence data collected by the lower layer into different units;
the user management data module manages login management information of all access devices and users in the same organization;
and the log recording module records the operation records of the user and the running condition of the middleware of the Internet of things.
On the basis of the above technical solution, preferably, the device data includes: device permission data, device attribute data, and device status data;
the equipment time sequence data comprises fire-fighting information, alarm records and instrument data;
the user management data comprises account management, user authority and role distribution;
the log includes hardware information, software systems, and system status.
Preferably, the middleware of the internet of things further comprises a data storage module and a data security supervision module;
the data storage module stores equipment data, equipment time sequence data, user management data and logs of the middleware of the Internet of things;
the data security supervision module adopts remote backup, mirror image and snapshot technologies to encrypt the data in the data storage module.
Further preferably, the data storage module comprises an internet of things data storage module and a general data storage module;
the Internet of things data storage module stores equipment time sequence data;
the universal data storage module stores device data, user management data, and logs.
Further preferably, the universal data storage module comprises: object stores, NOSQL databases, and relational databases.
On the basis of the technical scheme, preferably, the middleware of the internet of things communicates with the bottom layer by adopting an LPWA communication technology and a communication protocol of COAP and MQTT.
On the basis of the technical scheme, preferably, the internet-of-things middleware adopts an MQTT message transmission protocol to realize message pushing and receiving with an upper-layer application.
Further preferably, the specific steps of the communication between the middleware of the internet of things and the upper application are as follows:
s1, taking the middleware of the Internet of things as a client and taking the upper application as a receiver;
s2, the client and the receiver respectively send a CONNECT data packet request to the browser to establish connection, the browser receives the CONNECT data packet, and if the connection is successfully established, the browser respectively sends a connection confirmation data packet to the client and the receiver; if at least one of the two connections is not established successfully, the unsuccessful party sends a CONNECT data packet again to request the establishment of the connection until the connection is established successfully;
s3, the receiver appoints subscription theme before the message subscription, the client publishes or subscribes to the specific theme, when the published theme is identical with the subscription theme of the receiver, the receiver receives the message, otherwise, the message is not received.
Compared with the prior art, the Internet of things middleware based on fire-fighting Internet of things data acquisition and transmission has the following beneficial effects:
(1) the method mainly solves the problems of access of different devices and message forwarding by combining the use scene of the Internet of things device on the basis of the related standard of the existing Internet of things technology. The data transmission, analysis, processing, encapsulation and conversion are completed through a standardized protocol, the resource information is classified and integrated to be stored in a structured mode and an unstructured mode, and finally the resource information is transmitted to an upper layer application. The Internet of things middleware opens up a high-efficiency, safe and reliable channel for the whole process of the Internet of things data from the sensing equipment to the upper layer application on the safety stability of data acquisition, transmission and system according to the existing technical standard related to information safety, so that the safety technical standard of the fire-fighting Internet of things is further improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural diagram of an Internet of things middleware for data acquisition and transmission based on a fire-fighting Internet of things according to the invention;
FIG. 2 is a structural diagram of a data management module in an Internet of things middleware for data acquisition and transmission based on the fire-fighting Internet of things;
fig. 3 is a process of publishing and subscribing application data of an internet of things middleware and an upper layer based on data acquisition and transmission of a fire-fighting internet of things.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the internet of things middleware for fire fighting internet of things data acquisition and transmission comprises a data management module, a data storage module and a data security supervision module.
The middleware of the internet of things of the embodiment adopts an LPWA communication technology and a COAP and MQTT communication protocol to communicate with the bottom layer. The middleware of the internet of things provides an access mode of unified equipment, standardized processing is carried out on different types of equipment, the communication mode of any type of equipment access to the internet of things is included in ModBus, serial ports, TCP and UDP, and the middleware of the internet of things develops the equipment of the type 4, so that the access flexibility is guaranteed.
The data management module generally needs to perform multi-layer logic processing to improve processing efficiency and provide higher-value data information to the application layer because the acquired data is received from the bottom layer and forwarded to the user terminal. In this embodiment, the data management module performs classification and integration on the data of the internet of things according to information classification and coding standards, and the information classification is an important means for managing the data of the internet of things, so as shown in fig. 2, in this embodiment, the data management module classifies the data of the internet of things into four categories, namely, device management data, device time sequence data, user management data, and log recording data, and specifically, the data management module includes a device data management module, a device time sequence data management module, a user management data module, and a log recording module.
The device data management module defines a device type and a device port IP, wherein the configuration information can be uniformly configured and managed through a web management page. The device data includes: device rights data, device attribute data, and device status data.
The equipment time sequence data management module converts the time sequence data collected by the lower layer into different units; the equipment time sequence data is the most important data in the middleware of the Internet of things, namely the time sequence data which is collected from the bottom Internet of things equipment, transmitted to the Internet of things information platform, analyzed and integrated and then stored to the local. The equipment timing data includes fire information, alarm records and meter data. The equipment time sequence data management module carries out deep integration processing on the time sequence data, and for example, the time sequence data are converted into different units according to different sensors such as liquid level, water pressure and battery electric quantity. And finally, pushing the data to an upper application center according to the requirement of the upper application.
The user management data module manages login management information of all access devices and users in the same organization; the user management data comprises account management, user authority and role distribution. For the same organization, the user management data module checks and sets corresponding equipment information according to different permissions of the user.
The log recording module records the operation records of the user and the information of the running state, software, hardware and system problems of the middleware of the Internet of things, and the user can conveniently master and analyze the real-time running state of the middleware platform. The log includes hardware information, software systems, and system status.
The safety supervision of the middleware of the Internet of things comprises two aspects of stability of the system and safety of data. The data generated in the middleware of the internet of things is increased along with the increase of the accessed intelligent devices, so that higher requirements are put forward on the stability of the system of the middleware of the internet of things. In this embodiment, in the system architecture, the internet of things middleware adopts a distributed deployment manner, a single program is divided into a group of small services, multiple identical copies are copied and deployed on different machines, the services are coordinated and matched with each other, and a lightweight communication mechanism is adopted between the services. When one machine is suddenly down and no longer provides service, the corresponding request can be forwarded to other machines, and the availability of the whole middleware platform is improved.
The security of the middleware platform is a prerequisite for the efficient operation of the whole system, wherein the storage of data is the core and key of the security of the middleware. The data storage module in this embodiment is used for storing device data, device timing sequence data, user management data, and logs of the internet of things middleware. In this embodiment, the data storage module includes an internet of things data storage module and a general data storage module; the Internet of things data storage module stores equipment time sequence data; the universal data storage module stores device data, user management data, and logs. The universal data storage module comprises: object stores, NOSQL databases, and relational databases. The present embodiment uses a data security administration module to protect data storage. Specifically, the protection means adopted in the data storage includes: off-site backup, mirroring and snapshot techniques, and cryptographic maintenance of certain data. The database server is only accessed internally, communication configuration of RDBMS standard is used, and the system is connected in a password encryption mode.
The data after the middleware of the internet of things is analyzed and processed is safely and accurately transmitted to the upper layer application, and the problem of important consideration is also solved. Therefore, in the embodiment, an MQTT message transmission protocol is introduced to realize message pushing and receiving between the middleware of the internet of things and the upper-layer application. MQTT is a messaging protocol for publish/subscribe mode of client-server architecture. The design concept includes lightness, development, simplicity, standardization and easy realization, so that the method is a good choice for many scenes, particularly for limited environments such as machine-to-machine communication (M2M) and Internet of things (IOT) environments; and using a publish-subscribe message mode, as shown in fig. 3, the specific steps of the internet of things middleware to communicate with the upper layer application are:
s1, taking the middleware of the Internet of things as a client and taking the upper application as a receiver;
s2, the client and the receiver respectively send a CONNECT data packet request to the browser to establish connection, the browser receives the CONNECT data packet, and if the connection is successfully established, the browser respectively sends a connection confirmation data packet to the client and the receiver; if at least one of the two connections is not established successfully, the unsuccessful party sends a CONNECT data packet again to request the establishment of the connection until the connection is established successfully;
s3, the receiver appoints subscription theme before the message subscription, the client publishes or subscribes to the specific theme, when the published theme is identical with the subscription theme of the receiver, the receiver receives the message, otherwise, the message is not received.
In this embodiment, the MQTT communication protocol used mainly has two characteristics: firstly, subscribing and publishing-each message is published to the upper layer and has a theme, and an application subscribing to the theme receives the message, so that the multiplexing of the message and the decoupling of the application are ensured; secondly, stability, MQTT provides a confirmation mechanism, that is, the upper layer application can send a confirmation message to the internet of things middleware after receiving the message, so as to ensure that the message is not lost.
The beneficial effect of this embodiment does: the method mainly solves the problems of access of different devices and message forwarding by combining the use scene of the Internet of things device on the basis of the related standard of the existing Internet of things technology. The data transmission, analysis, processing, encapsulation and conversion are completed through a standardized protocol, the resource information is classified and integrated to be stored in a structured mode and an unstructured mode, and finally the resource information is transmitted to an upper layer application. The Internet of things middleware opens up a high-efficiency, safe and reliable channel for the whole process of the Internet of things data from the sensing equipment to the upper layer application on the safety stability of data acquisition, transmission and system according to the existing technical standard related to information safety, so that the safety technical standard of the fire-fighting Internet of things is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. Thing allies oneself with middleware based on fire control thing networking data acquisition and transmission, it includes data management module, its characterized in that: the data management module comprises an equipment data management module, an equipment time sequence data management module, a user management data module and a log recording module;
the equipment data management module defines an equipment type and an equipment port IP;
the equipment time sequence data management module converts the time sequence data collected by the lower layer into different units;
the user management data module manages login management information of all access devices and users in the same organization;
the log recording module records user operation records and the running condition of the middleware of the Internet of things.
2. The fire-fighting internet of things data acquisition and transmission-based internet of things middleware of claim 1, wherein: the device data includes: device permission data, device attribute data, and device status data;
the equipment time sequence data comprises fire-fighting information, alarm records and instrument data;
the user management data comprises account management, user authority and role distribution;
the log includes hardware information, software systems, and system status.
3. The fire-fighting internet of things data acquisition and transmission-based internet of things middleware of claim 2, wherein: the middleware of the Internet of things further comprises a data storage module and a data security supervision module;
the data storage module stores equipment data, equipment time sequence data, user management data and logs of the middleware of the Internet of things;
the data security supervision module adopts remote backup, mirror image and snapshot technologies to encrypt the data in the data storage module.
4. The Internet of things middleware based on data acquisition and transmission of the fire-fighting Internet of things as claimed in claim 3, wherein: the data storage module comprises an internet of things data storage module and a general data storage module;
the Internet of things data storage module stores equipment time sequence data;
the universal data storage module stores device data, user management data, and logs.
5. The Internet of things middleware based on data acquisition and transmission of the fire-fighting Internet of things as claimed in claim 4, wherein: the universal data storage module comprises: object stores, NOSQL databases, and relational databases.
6. The fire-fighting internet of things data acquisition and transmission-based internet of things middleware of claim 1, wherein: the middleware of the Internet of things communicates with the bottom layer by adopting an LPWA communication technology and a COAP and MQTT communication protocol.
7. The fire-fighting internet of things data acquisition and transmission-based internet of things middleware of claim 1, wherein: and the Internet of things middleware realizes message pushing and receiving with upper-layer application by adopting an MQTT message transmission protocol.
8. The fire-fighting internet of things data acquisition and transmission-based internet of things middleware of claim 7, wherein: the communication between the middleware of the Internet of things and the upper application comprises the following specific steps:
s1, taking the middleware of the Internet of things as a client and taking the upper application as a receiver;
s2, the client and the receiver respectively send a CONNECT data packet request to the browser to establish connection, the browser receives the CONNECT data packet, and if the connection is successfully established, the browser respectively sends a connection confirmation data packet to the client and the receiver; if at least one of the two connections is not established successfully, the unsuccessful party sends a CONNECT data packet again to request the establishment of the connection until the connection is established successfully;
s3, the receiver appoints subscription theme before the message subscription, the client publishes or subscribes to the specific theme, when the published theme is identical with the subscription theme of the receiver, the receiver receives the message, otherwise, the message is not received.
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Cited By (1)
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| CN112367204A (en) * | 2020-11-11 | 2021-02-12 | 许继集团有限公司 | Internet of things terminal access method and device for serial port type acquisition equipment |
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