CN111901381A - Internet of things agent device based on edge calculation and data decision method - Google Patents
Internet of things agent device based on edge calculation and data decision method Download PDFInfo
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Abstract
The invention provides an Internet of things agent device based on edge calculation and a data decision method, and belongs to the field of Internet of things. The device comprises: the local communication module is used for receiving information acquisition source data sent by different terminal equipment of the sensing layer of the Internet of things; the protocol conversion module is used for analyzing or converting information acquisition source data sent by different terminal equipment by adopting preset different communication protocol protocols; the data analysis module is used for analyzing the analyzed or converted data and making a decision to generate decision data; and the remote communication module is used for converting the decision data by adopting a communication protocol corresponding to a remote communication mode of the IOT management platform and transmitting the converted decision data to the IOT management platform. The invention realizes the uniform convergence access of local sensing data through protocol adaptation, realizes the local analysis and decision of the edge side Internet of things access data through the data analysis module, and lightens the data analysis decision pressure of a background management system.
Description
Technical Field
The invention relates to the field of Internet of things, in particular to an Internet of things agent device based on edge calculation and an Internet of things agent data decision method based on edge calculation.
Background
Due to the particularity of the application scene, the wireless sensor network is mainly applied to a local area, cannot realize the communication between networks and is not suitable for remote data transmission. The sensing equipment nodes become information isolated islands, and real comprehensive interconnection and intercommunication and cooperative sensing cannot be realized. Meanwhile, sensing technologies in the Internet of things are various, and different communication protocols are adopted, so that the difficulty of interconnection and intercommunication is improved.
At present, the edge computing technology is widely applied to the internet of things, and particularly applied to an application scene with special service requirements such as low time delay, high bandwidth, high reliability, mass connection, heterogeneous convergence, local security and privacy protection and the like. And the intelligent internet of things system with the internet of everything interconnected and ubiquitous internet of things requires that a network edge device can cooperate with a cloud master station, can realize functions such as edge calculation, regional autonomy and the like besides data collection and protocol conversion, and disperses the decision analysis pressure of a service cloud master station, so that the system is adapted to various internet of things application scene requirements.
The gateway of the internet of things (also called as an intelligent gateway) is a link for connecting a wireless sensor network and a traditional communication network, completes protocol conversion among the wireless sensor network, the traditional communication network and other different types of networks, and realizes data interconnection of local areas and wide areas. Due to incompatibility of various communication technology protocols, the existing gateway of the internet of things generally adopts point-to-point protocol conversion in operation and information exchange between heterogeneous networks, and mutual conversion between various transmission protocols is difficult to realize. On the other hand, the existing internet of things gateway mainly collects and forwards data, transmits the converged sensing source data (or simply preprocessed and cleaned data) to a background management system, and performs analysis, processing and decision through the background management system, but the data localization processing and local decision capability is insufficient, that is, the gateway side has fewer local decisions and the regional autonomous capability is weaker, so that the data analysis and decision pressure of the background management system is increased.
Disclosure of Invention
The invention aims to provide an Internet of things agent device based on edge calculation and a data decision method, so as to realize the unified conversion of various transmission protocols, realize the unified convergence access of terminal side data and realize the local analysis and decision of the data.
In order to achieve the above object, an aspect of the present invention provides an internet of things agent apparatus based on edge computing, which is applied in the internet of things, and the apparatus includes:
the local communication module is used for receiving information acquisition source data sent by different terminal equipment of the sensing layer of the Internet of things;
the protocol conversion module is used for analyzing or converting information acquisition source data sent by different terminal equipment by adopting preset different communication protocol protocols;
the data analysis module is used for analyzing the analyzed or converted data and making a decision to generate decision data;
and the remote communication module is used for converting the decision data by adopting a communication protocol corresponding to a remote communication mode of an internet of things management platform in the internet of things and transmitting the converted decision data to the internet of things management platform.
Further, the analyzing or converting the information acquisition source data sent by different terminal devices by using preset different communication protocol protocols includes:
analyzing a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process, screening out communication protocol protocols corresponding to the transmission protocol from preset different communication protocol protocols, and analyzing or converting the information acquisition source data by adopting the communication protocol protocols corresponding to the transmission protocol.
Furthermore, the device also comprises an application program module, wherein the application program module is preset with a plurality of communication protocol analysis programs;
if the communication protocol corresponding to the transmission protocol is not screened out from different communication protocol protocols preset by the protocol conversion module, a communication protocol analysis program corresponding to the transmission protocol in the application program module is called to analyze or convert the information acquisition source data.
Further, the apparatus further comprises:
and the resource management module is used for orderly managing the information acquisition source data received by the local communication module and sent by different terminal devices, and scheduling the protocol conversion module to analyze or convert the information acquisition source data in sequence.
Further, the apparatus further comprises:
and the safety encryption module is used for encrypting the decision data which needs to be transmitted to the Internet of things management platform.
According to the Internet of things agent device based on edge calculation, source data collected by different terminal devices of a sensing layer of the Internet of things are uniformly converged and accessed through the local communication module, and source data adopting different transmission protocols are converted through the protocol conversion module, so that uniform conversion of multiple transmission protocols is realized; the converted data are analyzed and decided through a data analysis module, and finally, decision data are uploaded to an Internet of things management platform through a corresponding communication protocol, so that unified convergence access and standard protocol uploading of data at the side edge of the Internet of things terminal equipment are realized; the intelligent Internet of things with smooth communication link between the perception data and the management platform, intelligent data analysis and regional collaborative self-governing is realized. The IOT agent device realizes the unified convergence access of local sensing data through protocol adaptation, realizes the local analysis and decision of the edge side IOT access data through the data analysis module, does not need to request background management systems such as an IOT management platform and a service master station, and reduces the data analysis decision pressure of the background management systems such as the service master station.
The invention is applied to the Internet of things, greatly improves the effectiveness and the intelligent level of operation analysis of the edge side terminal equipment through the application mode of cloud edge cooperation (coordination of the cloud end master station and the edge side Internet of things agent device), can reduce the congestion degree of a remote data transmission channel, and improves the reliability of data delivery.
The invention also provides an Internet of things agent data decision method based on edge calculation, which comprises the following steps:
receiving information acquisition source data sent by different terminal devices of a sensing layer of the Internet of things;
analyzing or converting information acquisition source data sent by different terminal equipment by adopting preset different communication protocol protocols;
analyzing the analyzed or converted data and making a decision to generate decision data;
and converting the decision data by adopting a communication protocol corresponding to a remote communication mode of the IOT management platform, and transmitting the converted decision data to the IOT management platform.
Further, the analyzing or converting the information acquisition source data sent by different terminal devices by using preset different communication protocol protocols includes:
analyzing a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process, screening out communication protocol protocols corresponding to the transmission protocol from preset different communication protocol protocols, and analyzing or converting the information acquisition source data by adopting the communication protocol protocols corresponding to the transmission protocol.
Further, the method further comprises:
and if the communication protocol corresponding to the transmission protocol is not screened out from the preset different communication protocol protocols, calling a communication protocol analysis program corresponding to the transmission protocol to analyze or convert the information acquisition source data.
Further, the method further comprises:
the method comprises the steps of conducting ordered management on received information acquisition source data sent by different terminal devices, and conducting analysis or conversion on the information acquisition source data in sequence.
Further, the transmitting the converted decision data to the internet of things management platform includes:
and encrypting the converted decision data, and transmitting the encrypted decision data to the Internet of things management platform.
According to the Internet of things agent data decision method based on edge calculation, source data collected by different terminal devices of a sensing layer of the Internet of things are subjected to uniform aggregation access, the source data adopting different transmission protocols are converted into uniform data formats and then are analyzed and decided, and then the decision data are uploaded to an Internet of things management platform by adopting corresponding communication protocols, so that the uniform aggregation access and the uploading of standardized protocols of the edge data of the terminal devices of the Internet of things are realized; the intelligent Internet of things with smooth communication link between the perception data and the management platform, intelligent data analysis and regional collaborative self-governing is realized. The method realizes the uniform convergence access of local sensing data through protocol adaptation, realizes the local analysis and decision of the edge side Internet of things access data, does not need to request background management systems such as an Internet of things management platform and a service master station, and reduces the data analysis decision pressure of the background management systems such as the service master station.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a connection relationship diagram of an internet of things based on edge computing according to an embodiment of the present invention;
fig. 2 is a block diagram of an architecture of an internet of things agent apparatus based on edge computing according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for deciding data of an agent of an internet of things based on edge calculation according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The Internet of things agent device based on edge computing provided by the embodiment of the invention is applied to the Internet of things.
Fig. 1 is a connection relationship diagram of an internet of things based on edge computing according to an embodiment of the present invention. As shown in fig. 1, the network connection relationship of the internet of things provided by this embodiment is as follows: the sensing layer terminal equipment is connected to the internet of things agent device, the internet of things agent device is connected to the internet of things management platform, and the internet of things management platform is connected to a service master station (namely a cloud master station for application industry and field construction of the internet of things). The sensing layer terminal equipment is positioned on the sensing field of the Internet of things, is a component with data acquisition functions such as sensing, alternative acquisition and metering, or is an independent functional component, or is a sensor and a terminal with data sensing acquisition functions on the field of the Internet of things. The IOT agent device is located on the IOT site, is connected with sensing layer terminal equipment through local communication modes such as CAN, RS232/485, carrier, Bluetooth, Zigbee, Wi-Fi and micropower wireless and the like, and is connected with the IOT management platform through remote communication modes such as optical fiber, Ethernet, 4G/5G, NB-IoT and the like, so that the adaptation and conversion functions of the local communication modes and protocol protocols of various sensing layer terminal equipment are realized, all data from the sensing layer terminal equipment are collected and subjected to protocol conversion, the information is uploaded to the IOT management platform through the unified IOT protocol, and meanwhile, the local analysis and decision function of data is executed. Then, the data transmission protocols between different sensing layer terminal devices and the internet of things agent device are also different, and when different sensing layer terminal devices may transmit the source data collected by themselves to the internet of things agent device at the same time, the internet of things agent device is required to be capable of performing point-to-multipoint data collection, performing conversion of multiple transmission protocols, performing analysis and decision based on the collected data, realizing edge calculation and regional autonomy, and reducing the decision analysis pressure of the service master station in cooperation with the internet of things management platform.
Fig. 2 is a block diagram of an architecture of an internet of things proxy apparatus based on edge computing according to an embodiment of the present invention. As shown in fig. 2, an embodiment of the present invention provides an internet of things proxy apparatus based on edge computing, where the apparatus includes: the device comprises a local communication module, a protocol conversion module, a data analysis module and a remote communication module. The local communication module is used for receiving information acquisition source data sent by different terminal devices of the sensing layer of the Internet of things.
The protocol conversion module is used for analyzing or converting information acquisition source data sent by different terminal equipment by adopting a plurality of preset communication protocol protocols. Specifically, a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process is analyzed, communication protocol protocols corresponding to the transmission protocol are screened out from preset different communication protocol protocols, and the information acquisition source data are analyzed or converted by adopting the communication protocol protocols corresponding to the transmission protocol.
The data analysis module is used for analyzing the analyzed or converted data and making a decision to generate decision data. The data analysis module comprises a main control chip and a corresponding data analysis unit, wherein the main control chip needs to have certain data processing capacity and data caching capacity, for example, the main frequency of the main control chip is not lower than 1.2GHz, a processor is not less than 4 cores, and dozens of GB SDRAM and FLASH storage spaces are used for realizing data analysis, processing and local decision.
The remote communication module is used for converting the decision data by adopting a communication protocol corresponding to a remote communication mode of an internet of things management platform, and transmitting the converted decision data to the internet of things management platform, for example, uploading the decision data to the internet of things management platform by using a unified protocol such as MQTT (message queue telemetry transport) and the like.
In this embodiment, the apparatus further comprises: the system comprises a resource management module, an application program module and a security encryption module. The resource management module is used for orderly managing the information acquisition source data received by the local communication module and sent by different terminal devices, and scheduling the protocol conversion module to analyze or convert the information acquisition source data in sequence. The application program module is preset with a plurality of communication protocol analysis programs. If the communication protocol corresponding to the transmission protocol is not screened out from different communication protocol protocols preset by the protocol conversion module, a communication protocol analysis program corresponding to the transmission protocol in the application program module is called to analyze or convert the information acquisition source data. For example, a corresponding protocol analysis program APP is designed according to a protocol of a special application in the industry field, the APP is uploaded to an Internet of things management platform, and the APP can be downloaded from the Internet of things management platform by the edge Internet of things agent device and updated to an application program module of the edge Internet of things agent device. The application program module is used for presetting a general communication protocol or dynamically expanding an industry specific communication protocol so as to be compatible with all data transmission modes and communication protocols of the Internet of things as far as possible, realize uniform convergence access of perception data and ensure the effectiveness of protocol conversion and adaptation. The safety encryption module is used for encrypting decision data needing to be transmitted to the Internet of things management platform, and the safety function of hardware-level encryption/decryption is achieved.
The Internet of things agent device of the embodiment is provided with a clock module and a power module, adopts an industrial clock circuit and has a crystal oscillator, and supports high-speed I2C communication; the wide-voltage input and the voltage stabilization output can be realized through the power supply module, the overcurrent protection is supported, and the normal power supply of each hardware function module in the Internet of things agent device is supported. In addition, the basic software platform adopted by the IOT agent device can provide a common software environment which runs stably, such as an operating system, an edge computing framework, an embedded virtualization technology application and the like, and is based on a universal and common software framework/platform, customized and cut type transplanting development.
According to the Internet of things agent device based on edge computing, source data collected by different terminal devices of a sensing layer of the Internet of things are uniformly converged and accessed through a local communication module, and source data adopting different transmission protocols are converted through a protocol conversion module, so that uniform conversion of multiple transmission protocols is realized; the converted data are analyzed and decided through a data analysis module, and finally, decision data are uploaded to an Internet of things management platform through a corresponding communication protocol, so that unified convergence access and standard protocol uploading of data at the side edge of the Internet of things terminal equipment are realized; the intelligent Internet of things with smooth communication link between the perception data and the management platform, intelligent data analysis and regional collaborative self-governing is realized. The IOT agent device realizes the unified convergence access of local sensing data through protocol adaptation, realizes the local analysis and decision of the edge side IOT access data through the data analysis module, does not need to request background management systems such as an IOT management platform and a service master station, and reduces the data analysis decision pressure of the background management systems such as the service master station.
The invention is applied to the Internet of things, greatly improves the effectiveness and the intelligent level of operation analysis of the edge side terminal equipment through the application mode of cloud edge cooperation (coordination of the cloud end master station and the edge side Internet of things agent device), can reduce the congestion degree of a remote data transmission channel, and improves the reliability of data delivery.
Fig. 3 is a flowchart of a method for deciding data of an agent of an internet of things based on edge calculation according to an embodiment of the present invention. As shown in fig. 3, an embodiment of the present invention provides an objective agent data decision method based on edge calculation, where the method includes the following steps:
s1) receiving information acquisition source data sent by different terminal devices of the sensing layer of the Internet of things.
S2) adopting preset different communication protocol conventions to analyze or convert the information acquisition source data sent by different terminal devices.
Specifically, a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process is analyzed, communication protocol protocols corresponding to the transmission protocol are screened out from preset different communication protocol protocols, and the information acquisition source data are analyzed or converted by adopting the communication protocol protocols corresponding to the transmission protocol. If the communication protocol corresponding to the transmission protocol is not screened out from the preset different communication protocol protocols, calling a communication protocol analysis program corresponding to the transmission protocol in the application program module to analyze or convert the information acquisition source data. For example, a corresponding protocol analysis program APP is designed according to a protocol of a special application in the industry field, the APP is uploaded to an Internet of things management platform, and the APP can be downloaded from the Internet of things management platform by the edge Internet of things agent device and updated to an application program module of the edge Internet of things agent device. Through a general communication protocol preset in an application program module or a dynamically expanded industry-specific communication protocol, the data transmission mode and the communication protocol of all the internet of things are compatible as much as possible, unified convergence access of sensing data is realized, and the effectiveness of protocol conversion and adaptation is ensured.
S3) analyzing the analyzed or converted data and making a decision to generate decision data.
S4) converting the decision data by adopting a communication protocol corresponding to the remote communication mode of the IOT management platform, and transmitting the converted decision data to the IOT management platform.
And in order to ensure the data transmission safety, the converted decision data is encrypted, and the encrypted decision data is transmitted to the Internet of things management platform.
The method for deciding the data of the internet of things agent based on the edge calculation further includes: the method comprises the steps of conducting ordered management on received information acquisition source data sent by different terminal devices, and conducting analysis or conversion on the information acquisition source data in sequence.
According to the method for deciding the data of the internet of things agent based on the edge calculation, source data collected by different terminal devices of a sensing layer of the internet of things are collected and accessed uniformly, the source data adopting different transmission protocols are converted into uniform data formats and then analyzed and decided, and then the decision data are uploaded to an internet of things management platform by adopting corresponding communication protocols, so that the uniform collection and access and the uploading of standardized protocols of the data of the edge of the terminal devices of the internet of things are realized; the intelligent Internet of things with smooth communication link between the perception data and the management platform, intelligent data analysis and regional collaborative self-governing is realized. The method realizes the uniform convergence access of local sensing data through protocol adaptation, realizes the local analysis and decision of the edge side Internet of things access data, does not need to request background management systems such as an Internet of things management platform and a service master station, and reduces the data analysis decision pressure of the background management systems such as the service master station.
While the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications are within the scope of the embodiments of the present invention. It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention will not be described separately for the various possible combinations.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as disclosed in the embodiments of the present invention as long as it does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. An agent device of internet of things based on edge computing is applied to the internet of things, and is characterized in that the device comprises:
the local communication module is used for receiving information acquisition source data sent by different terminal equipment of the sensing layer of the Internet of things;
the protocol conversion module is used for analyzing or converting information acquisition source data sent by different terminal equipment by adopting preset different communication protocol protocols;
the data analysis module is used for analyzing the analyzed or converted data and making a decision to generate decision data;
and the remote communication module is used for converting the decision data by adopting a communication protocol corresponding to a remote communication mode of an internet of things management platform in the internet of things and transmitting the converted decision data to the internet of things management platform.
2. The device for proxying the internet of things based on the edge computing as claimed in claim 1, wherein the analyzing or converting the information acquisition source data sent by different terminal devices by using different preset communication protocol protocols comprises:
analyzing a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process, screening out communication protocol protocols corresponding to the transmission protocol from preset different communication protocol protocols, and analyzing or converting the information acquisition source data by adopting the communication protocol protocols corresponding to the transmission protocol.
3. The device of claim 2, further comprising an application module, wherein the application module is configured to pre-configure a plurality of communication protocol resolution procedures;
if the communication protocol corresponding to the transmission protocol is not screened out from different communication protocol protocols preset by the protocol conversion module, a communication protocol analysis program corresponding to the transmission protocol in the application program module is called to analyze or convert the information acquisition source data.
4. The edge-computing-based internet of things proxy apparatus of claim 1, further comprising:
and the resource management module is used for orderly managing the information acquisition source data received by the local communication module and sent by different terminal devices, and scheduling the protocol conversion module to analyze or convert the information acquisition source data in sequence.
5. The edge-computing-based internet of things proxy apparatus of claim 1, further comprising:
and the safety encryption module is used for encrypting the decision data which needs to be transmitted to the Internet of things management platform.
6. An Internet of things agent data decision method based on edge calculation is characterized by comprising the following steps:
receiving information acquisition source data sent by different terminal devices of a sensing layer of the Internet of things;
analyzing or converting information acquisition source data sent by different terminal equipment by adopting preset different communication protocol protocols;
analyzing the analyzed or converted data and making a decision to generate decision data;
and converting the decision data by adopting a communication protocol corresponding to a remote communication mode of the IOT management platform, and transmitting the converted decision data to the IOT management platform.
7. The method for making a decision on agent data of an internet of things based on edge computing according to claim 6, wherein the analyzing or converting information acquisition source data sent by different terminal devices by using different preset communication protocol protocols comprises:
analyzing a transmission protocol adopted by information acquisition source data sent by each terminal device in a transmission process, screening out communication protocol protocols corresponding to the transmission protocol from preset different communication protocol protocols, and analyzing or converting the information acquisition source data by adopting the communication protocol protocols corresponding to the transmission protocol.
8. The method for making an objective agent data decision based on edge computing as claimed in claim 7, wherein the method further comprises:
and if the communication protocol corresponding to the transmission protocol is not screened out from the preset different communication protocol protocols, calling a communication protocol analysis program corresponding to the transmission protocol to analyze or convert the information acquisition source data.
9. The method for making an objective agent data decision based on edge computing as claimed in claim 6, further comprising:
the method comprises the steps of conducting ordered management on received information acquisition source data sent by different terminal devices, and conducting analysis or conversion on the information acquisition source data in sequence.
10. The method for making an agent data decision for an internet of things based on edge computing according to claim 6, wherein the step of transmitting the converted decision data to the management platform for the internet of things comprises:
and encrypting the converted decision data, and transmitting the encrypted decision data to the Internet of things management platform.
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| CN202010608003.9A CN111901381A (en) | 2020-06-29 | 2020-06-29 | Internet of things agent device based on edge calculation and data decision method |
| PCT/CN2021/103241 WO2022002075A1 (en) | 2020-06-29 | 2021-06-29 | Edge computing-based internet-of-things proxy apparatus and data decision method |
| AU2021266359A AU2021266359B2 (en) | 2020-06-29 | 2021-06-29 | Edge computing-based internet of things proxy apparatus and data decision-making method |
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| WO2022002075A1 (en) | 2022-01-06 |
| AU2021266359A1 (en) | 2022-01-20 |
| AU2021266359B2 (en) | 2023-02-16 |
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