CN112187922A - Intelligent Internet of things shutdown machine based on MQTT communication protocol - Google Patents
Intelligent Internet of things shutdown machine based on MQTT communication protocol Download PDFInfo
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Abstract
The invention discloses an intelligent Internet of things shutdown machine based on an MQTT communication protocol. The device comprises a communication parameter configuration module, a device parameter configuration module, a task starting module, a device point table information initialization module, a device communication parameter initialization module, a request data package module, a first communication module, a data analysis module and a second communication module. The invention is optimized in a configuration mode, and the communication access of the instruments and the sensors of different manufacturers is realized only by performing targeted configuration according to the specification of the manufacturers without secondary development. The configuration parameter item basically meets the communication access requirements of MODBUS protocols of all instruments and sensor manufacturers, and the compatibility of the lower communication is greatly enhanced. An MQTT communication protocol of the Internet of things is developed, and a real data cloud and data subscription/publishing mode is realized. Meanwhile, different cloud platform operators and encryption modes are supported, and different MQTT communication modes can be realized only in a configuration mode.
Description
Technical Field
The invention relates to the technical field of intelligent internet of things shutdown, in particular to intelligent internet of things shutdown based on an MQTT communication protocol.
Background
The internet of things technology is developed vigorously in China, so that people can see a wide market in the future, and according to the estimation of experts, a large market with trillion-level scale is formed in the future within 3-5 years along with the popularization and the popularization of the internet of things technology in China. Nowadays, the main reason for restricting the large-scale popularization of the internet of things technology is the incompatibility problem of terminals, devices and software of different manufacturers cannot be used on the same platform, and protocols among the devices do not have uniform standards. Therefore, compatibility problems must be solved before the popularization of the internet of things and the large-scale popularization of terminals.
The following disadvantages exist for the current internet access machine, which are expressed in the following aspects:
1. generalizing the following convention: at present, the access of lower instruments and sensors is mainly based on MODBUS specifications, and MODBUS communication protocols of instrument and sensor manufacturers are different. Therefore, the requirement for the access function of shutdown of the Internet of things is improved. On one hand, a large amount of manpower is needed to be invested to carry out secondary development aiming at modbus protocols of different manufacturers, so that the compatibility function is improved, and on the other hand, more energy is needed to maintain the protocol of each manufacturer on each field. Not only the development and maintenance workload is huge, but also the communication stability of the second-stage network shutdown machine is not high.
2. For the upper communication protocol: most internet of things devices do not support the MQTT protocol at present. Most manufacturers only optimize the traditional power protocol converter for rapidly entering the power internet of things market, and adopt a reverse IEC104 protocol for the upper specification, namely the IEC104 substation protocol of the internet of things shutdown as a client-side form to connect the application platform, so that the development period and the development cost can be greatly reduced. However, the data cloud is not really realized, the point-to-point communication with the application platform is actually carried out only in the form of an external network, and the IEC104 protocol is used as a traditional power system scheduling protocol and does not meet the light-weight bandwidth requirement of the current Internet of things.
3. The following disadvantages also exist for a few internet-of-things shutdown devices supporting MQTT communication protocols:
(1) the cloud platform is compatible with the cloud platform, users often require data to be sent to different cloud platform operators, the current mainstream cloud platforms include the cloud platforms such as the Ali, Amazon, Huawei and mobile platforms, and the interconnection mechanism and the encryption mode of each cloud platform are different, so that higher requirements are provided for cloud uploading of network shutdown data.
(2) The inconsistency of the release subject and the JSON format causes poor compatibility with the application platform. The application platform needs to subscribe data from the cloud platform, and the data is published after the data of the meters or the sensors is collected by the internet protocol machine. Data is published in JSON format in different topics. Therefore, the application platform and the internet protocol machine need to have a consistent release theme and a JSON data format. Currently, the national network has no uniform release subject and JSON format for data transmission.
4. The field engineering maintenance workload is large, the network shutdown machine is usually distributed and operated in remote areas, and each engineering transformation, function and configuration upgrading takes a lot of trouble. Not only the maintenance cost is low, but also the efficiency is low.
Disclosure of Invention
The invention aims to provide an intelligent Internet of things shutdown machine based on an MQTT communication protocol aiming at the defects in the prior art.
In order to achieve the above object, the present invention provides an intelligent internet of things shutdown machine based on MQTT communication protocol, including:
the communication parameter configuration module is used for configuring the communication protocol parameters of the first communication module;
the device parameter configuration module is used for correspondingly configuring device information according to the communication protocol parameter of the first communication module so as to associate the communication protocol parameter of the first communication module with the device;
the task starting module is used for starting a protocol task according to the communication protocol parameters configured by the first communication module;
the device point table information initialization module is used for initializing the device point table information of the device and dynamically creating a database;
the device communication parameter initialization module is used for initializing a communication mechanism for each device according to a communication protocol parameter of a first communication module associated with the device;
the request data packaging module is used for packaging and forming request data according to the configured device information and the communication protocol parameter of the associated first communication module;
the first communication module is used for sending request data to the device and receiving target data which are uploaded by the device and packaged according to the request data;
the data analysis module is used for analyzing the received target data packaged according to the request data and storing the analyzed target data into the database;
and the second communication module is used for uploading the analyzed target data to the cloud platform.
Furthermore, the system also comprises an MQTT communication configuration module which is used for configuring the cloud platform type, the encryption mode and the MQTT connection parameters.
Furthermore, the MQTT communication configuration module is further used for configuring MQTT publishing parameters, and further comprises a monitoring module and a publishing module, wherein the monitoring module is used for monitoring the running state of the internet protocol unit and the target data in real time, and when the target data change is detected, the publishing module performs JSON packaging and publishing according to the corresponding theme.
Furthermore, the MQTT communication configuration module is further configured to configure MQTT subscription parameters, and further includes a subscription module, where the subscription module performs data subscription according to a topic corresponding to each function in the cloud platform configuration, and after the subscription is successful, the second communication module is further configured to receive a command text in a JSON format sent by the cloud platform, and the subscription module performs JSON analysis on the command text, then performs command processing, and returns a processing result through the second communication module.
Further, the data subscription includes a subscription for remote control commands and a subscription for jobs.
Further, the communication parameter configuration module configures the communication format by modifying the configuration value of the basic configuration of the communication protocol, and configures the specific data in the communication by modifying the configuration values of the telemetry configuration, the remote signaling configuration and the remote control configuration of the communication protocol.
Furthermore, the communication parameter configuration module also realizes remote maintenance by modifying the configuration value of the remote configuration.
Further, the data analysis module carries out integrity check on the received target data packed according to the request data according to CRC check and a configured byte ordering mode, and analyzes the device address and the function code according to the byte ordering mode for the target data packed according to the request data without error check; and acquiring data according to the initial address of the register, the data types and the sorting mode of different fields, positioning the data point number, and preparing for warehousing treatment.
Further, the first communication module comprises a serial port communication module, and the communication specification of the serial port communication module is about the modbus communication specification.
Further, the second communication module comprises a 4G module and a network port module.
Has the advantages that: the invention is optimized in a configuration mode, and the communication access of the instruments and the sensors of different manufacturers is realized only by performing targeted configuration according to the specification of the manufacturers without secondary development. The configuration parameter item basically meets the communication access requirements of MODBUS protocols of all instruments and sensor manufacturers, and the compatibility of the lower communication is greatly enhanced. On the basis of supporting a reverse IEC104 protocol, an Internet of things MQTT communication protocol is developed, and a real cloud-on data subscription/release mode is realized. Meanwhile, different cloud platform operators and encryption modes are supported, and different MQTT communication modes can be realized only in a configuration mode.
Drawings
FIG. 1 is a schematic diagram of the parameter configuration of an intelligent Internet of things shutdown device based on an MQTT communication protocol;
fig. 2 is a schematic diagram of a basic configuration of a communication protocol of an intelligent internet of things shutdown based on an MQTT communication protocol;
FIG. 3 is a schematic diagram of a telemetry configuration of an intelligent Internet of things shutdown communication protocol based on an MQTT communication protocol;
FIG. 4 is a schematic diagram of remote signaling configuration of a communication protocol of an intelligent Internet of things shutdown machine based on an MQTT communication protocol;
fig. 5 is a schematic diagram of remote control configuration of communication protocols of an intelligent internet of things shutdown based on MQTT communication protocol;
FIG. 6 is a schematic diagram of remote configuration of a communication protocol for intelligent Internet of things shutdown based on MQTT communication protocol;
FIG. 7 is a schematic diagram of MQTT communication parameter configuration of an intelligent Internet of things shutdown machine based on an MQTT communication protocol;
FIG. 8 is a schematic diagram of MQTT communication connection parameter configuration of an intelligent Internet of things shutdown machine based on an MQTT communication protocol;
fig. 9 is a schematic diagram of MQTT publishing parameter configuration of intelligent internet of things shutdown based on MQTT communication protocol.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
The embodiment of the invention provides an intelligent Internet of things shutdown machine based on an MQTT communication protocol, which comprises a communication parameter configuration module, a device parameter configuration module, a task starting module, a device point table information initialization module, a device communication parameter initialization module, a request data packaging module, a first communication module, a data analysis module and a second communication module.
The communication parameter configuration module is used for configuring communication protocol parameters of the first communication module. The first communication module is serial port communication module comparatively commonly used, and the communication rule comparatively commonly used is about modbus communication protocol, but also be applicable to other with the communication mode and other communication protocols of device equally, can increase according to actual need, select in the configuration can.
The device parameter configuration module is used for correspondingly configuring device information according to the communication protocol parameter of the first communication module so as to associate the communication protocol parameter of the first communication module with the device. Specific contents of the device parameter configuration can be seen in fig. 1.
The task starting module is used for starting a protocol task according to the communication protocol parameters configured by the first communication module.
The device point list information initialization module is used for initializing the device point list information of the device and dynamically creating a database. The database can be set according to the requirement and can comprise point table information such as remote measurement, remote signaling, remote pulse, remote control and the like.
The device communication parameter initialization module is used for initializing a communication mechanism for each device according to the communication protocol parameter of the first communication module associated with the device, so as to prepare for communication.
The request data package module is used for packaging and forming request data according to the configured device information and the communication protocol parameter of the related first communication module. Such as: in order to obtain a piece of telemetry information of a certain device, it is necessary to find communication parameters matching with the device, where the communication parameters specifically include: and packaging the device address, the function code, the register initial address of the telemetering measurement of the section, the number of the telemetering measurement of the section, the register address, the byte order arrangement mode of CRC (cyclic redundancy check) and the like.
The first communication module is used for sending request data to the device, the device packages target data according to device information in the request data and communication protocol parameters related to the first communication module after receiving the request data sent by the gateway machine, then uploads the packaged target data to the gateway machine, and the first communication box module receives the target data which are uploaded by the device and packaged according to the request data. Target data and data to be sent to the gateway machine, which are acquired by the device.
The data analysis module is used for analyzing the received target data packaged according to the request data and storing the analyzed target data into the database. Specifically, the data analysis module carries out integrity check on the received target data packed according to the request data according to CRC check and a configured byte ordering mode, and analyzes the device address and the function code according to the byte ordering mode for the target data packed according to the request data without error check; and acquiring data according to the initial address of the register, the data types and the sorting mode of different fields, positioning the data point number, preparing for warehousing, and storing into a database after processing.
The second communication module is used for uploading the analyzed target data to the cloud platform. The second communication module comprises a 4G module and a network port module, and other communication modules can be adopted according to the requirement.
Referring to fig. 7 to 9, the embodiment of the invention further includes an MQTT communication configuration module, which is used to configure the cloud platform type, the encryption mode and the MQTT connection parameters. The MQTT communication configuration module is further used for configuring MQTT release parameters, and further comprises a monitoring module and a release module, wherein the monitoring module is used for monitoring the running state of the internet protocol unit and target data in real time, and when the target data change is detected, for example, when telemetry crossing dead zones or telemetry deflection is detected, the release module carries out JSON packaging and release according to corresponding topics. The MQTT communication configuration module is further used for configuring MQTT subscription parameters and further comprises a subscription module, the subscription module is used for subscribing data according to topics corresponding to each function in the cloud platform configuration, after the subscription is successful, the second communication module is further used for receiving a command text in a JSON format sent by the cloud platform, the subscription module is used for performing JSON analysis on the command text, then performing command processing, and returning a processing result through the second communication module. The data subscription comprises subscription of remote control commands and subscription of jobs.
Referring to fig. 2 to 6, the configuration of the communication protocol parameters includes configuration of the communication format and configuration of specific data in the communication. Specifically, the communication parameter configuration module configures the communication format by modifying the configuration value of the basic configuration of the communication protocol, and configures the specific data in the communication by modifying the configuration values of the telemetry configuration, the remote signaling configuration and the remote control configuration of the communication protocol.
Furthermore, the communication parameter configuration module also realizes remote maintenance by modifying the configuration value of the remote configuration. The success of the operation and maintenance of the device can be greatly reduced, and the management efficiency is improved. The remote operation and maintenance mainly realizes the management and maintenance of remote devices, such as: application or firmware updates, project profile updates, reboots, rotating certificates, or performing remote troubleshooting operations. The method specifically comprises the following steps: for each remote operation, a job document, which is a JSON document encoded by UTF-8 and contains all information of the job that the device needs to execute, such as: one or more URLs are included in the job document from which the device can download updated programs or configurations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.
Claims (10)
1. An intelligent internet of things shutdown machine based on MQTT communication protocol is characterized by comprising the following steps:
the communication parameter configuration module is used for configuring the communication protocol parameters of the first communication module;
the device parameter configuration module is used for correspondingly configuring device information according to the communication protocol parameter of the first communication module so as to associate the communication protocol parameter of the first communication module with the device;
the task starting module is used for starting a protocol task according to the communication protocol parameters configured by the first communication module;
the device point table information initialization module is used for initializing the device point table information of the device and dynamically creating a database;
the device communication parameter initialization module is used for initializing a communication mechanism for each device according to a communication protocol parameter of a first communication module associated with the device;
the request data packaging module is used for packaging and forming request data according to the configured device information and the communication protocol parameter of the associated first communication module;
the first communication module is used for sending request data to the device and receiving target data which are uploaded by the device and packaged according to the request data;
the data analysis module is used for analyzing the received target data packaged according to the request data and storing the analyzed target data into the database;
and the second communication module is used for uploading the analyzed target data to the cloud platform.
2. The machine of claim 1, further comprising an MQTT communication configuration module configured to configure cloud platform type, encryption mode, and MQTT connection parameters.
3. The machine of claim 2, wherein the MQTT communication configuration module is further configured to configure MQTT publishing parameters, and further comprises a monitoring module and a publishing module, the monitoring module is configured to monitor the running state of the machine and the target data in real time, and when a change in the target data is detected, the publishing module packages and publishes JSON according to the corresponding topic.
4. The machine of claim 2, wherein the MQTT communication configuration module is further configured to configure MQTT subscription parameters, and further comprising a subscription module, the subscription module performs data subscription according to a topic corresponding to each function in the cloud platform configuration, and when the subscription is successful, the second communication module is further configured to receive a command text in JSON format sent by the cloud platform, and the subscription module performs JSON parsing on the command text, then performs command processing, and returns a processing result through the second communication module.
5. The MQTT communication protocol-based intelligent Internet of things shutdown device of claim 4, wherein the data subscription comprises a subscription for remote control commands and a subscription for jobs.
6. The MQTT communication protocol-based intelligent Internet of things shutdown machine of claim 4, wherein the communication parameter configuration module configures the communication format by modifying the configuration values of the basic configuration of the communication protocol, and configures specific data in communication by modifying the configuration values of the telemetry configuration, the telecommand configuration and the remote control configuration of the communication protocol.
7. The MQTT communication protocol-based intelligent Internet of things shutdown machine of claim 6, wherein the communication parameter configuration module is further used for realizing remote maintenance by modifying the configuration value of the remote configuration.
8. The machine of claim 1, wherein the data parsing module performs integrity check on the received target data packed according to the request data according to CRC check and configured byte ordering, and parses the device address and the function code according to byte ordering for the target data packed according to the request data that is checked to be correct; and acquiring data according to the initial address of the register, the data types and the sorting mode of different fields, positioning the data point number, and preparing for warehousing treatment.
9. The MQTT communication protocol-based intelligent Internet of things shutdown machine of claim 1, wherein the first communication module comprises a serial port communication module, and the communication specification of the serial port communication module is about a modbus communication specification.
10. The intelligent internet of things shutdown machine based on the MQTT communication protocol of claim 1, wherein the second communication module comprises a 4G module and a portal module.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112911531A (en) * | 2021-01-11 | 2021-06-04 | 国网江苏省电力有限公司常州供电分公司 | Sensing data transmission system and method for high-voltage switch and readable storage medium |
| CN112911531B (en) * | 2021-01-11 | 2022-12-30 | 国网江苏省电力有限公司常州供电分公司 | Sensing data transmission system and method for high-voltage switch and readable storage medium |
| CN112887199A (en) * | 2021-01-28 | 2021-06-01 | 深圳云里物里科技股份有限公司 | Gateway, cloud platform, configuration method and device thereof, and computer-readable storage medium |
| CN113014622A (en) * | 2021-02-02 | 2021-06-22 | 深圳市显控科技股份有限公司 | Method and system for accessing Internet of things platform, Internet of things equipment and storage medium |
| CN113596055A (en) * | 2021-08-11 | 2021-11-02 | 傲普(上海)新能源有限公司 | Multi-protocol equipment access method of energy storage EMS system |
| CN114598944A (en) * | 2022-03-28 | 2022-06-07 | 重庆长安汽车股份有限公司 | Periodic signal processing system, method, computer device and storage medium |
| CN115314572A (en) * | 2022-06-24 | 2022-11-08 | 国网信息通信产业集团有限公司 | A protocol conversion method, system and device for power communication protocol |
| CN115314572B (en) * | 2022-06-24 | 2024-01-16 | 国网信息通信产业集团有限公司 | A protocol conversion method, system and equipment for power communication protocol |
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Application publication date: 20210105 |