CN116032743A - 485 data gateway-based intelligent configuration method - Google Patents
485 data gateway-based intelligent configuration method Download PDFInfo
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- CN116032743A CN116032743A CN202211693013.2A CN202211693013A CN116032743A CN 116032743 A CN116032743 A CN 116032743A CN 202211693013 A CN202211693013 A CN 202211693013A CN 116032743 A CN116032743 A CN 116032743A
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Abstract
The invention discloses a 485 data gateway intelligent configuration method, which belongs to the technical field of data communication and solves the problem of how to improve gateway configuration efficiency and convenience.
Description
Technical Field
The invention relates to the technical field of data communication, in particular to a 485 data gateway-based intelligent configuration method.
Background
Currently, data gateway devices are related to data processing methods such as protocol conversion, web page configuration, data local storage, and data remote reporting. The 485 data gateway is a device for reading data of terminal equipment (water meter, ammeter and the like) through a 485 data interface and uploading the data to the cloud through a wired or wireless mode. The existing 485 data gateway has complex configuration and higher requirements on technicians when facing equipment models and protocol types of a plurality of manufacturers. The existing technical scheme is that the configuration of the data gateway is realized by loading plug-ins corresponding to terminal equipment and models through PC end software. And in the face of a device model that is not entered, a plug-in needs to be written for configuration.
Disclosure of Invention
The invention aims to solve the technical problems in the related art to at least a certain extent aiming at the defects of the prior art, provides a 485 data gateway intelligent configuration-based method and solves the problems of 485 data gateway configuration, new equipment introduction and network disconnection data storage.
In order to solve the technical problems, the technical scheme of the invention is as follows: the 485 data gateway device is used for carrying out webpage setting on each terminal device in a wired or wireless connection mode through an HTTP protocol, and the 485 data gateway device is used for carrying out configuration on own gateway by pulling cloud server configuration data through an MQTT or TCP protocol, wherein the configuration file of the 485 data gateway device is stored in the cloud server, and when the terminal device configures a webpage, the corresponding gateway configuration file is called from the cloud server by sending manufacturer information and model information of the terminal device.
Preferably, the configuration file is in json format, and is mainly composed of three parts, namely port configuration definition, table register content definition and data uploading definition.
Preferably, the port configuration definition includes a port number, a baud rate, data bits, a check method, and a stop bit.
Preferably, the table register content definition includes a protocol frame format definition of the table, and a register address.
Preferably, the data uploading definition includes a data uploading method, an uploading data port number, an uploading data device ID, an uploading data name, and an uploading data calculating method, the data uploading method includes a TCP protocol or an MQTT protocol, and the uploading data calculating method includes adopting a prefix expression definition.
Preferably, the 485 data gateway device performs initialization configuration on the corresponding ports through port configuration definition.
Preferably, the 485 data gateway device captures the content of the corresponding register of the terminal device through the content definition of the table register.
Preferably, the 485 data gateway device calculates the actually required value through a preset calculation method and uploads the register content grabbed in the last step through data uploading definition.
Preferably, the format definitions of protocol data conversion and data reporting of the 485 data gateway device are determined by configuration files.
Compared with the background art, the invention has the technical effects that:
by using the 485 data gateway device, the device and the terminal equipment can be conveniently configured, and data after network disconnection can not be lost.
Drawings
Fig. 1 is a configuration flowchart of a 485 data gateway device in an embodiment.
Reference numerals: 1. a terminal device; 2. 485 data gateway device; 3. and the cloud server.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
Examples:
the 485 data gateway intelligent configuration method comprises a 485 data gateway device 2, terminal equipment 1 and a cloud server, wherein the 485 data gateway device 2 sets a webpage of each terminal equipment 1 in a wired or wireless connection mode through an HTTP protocol, the 485 data gateway device 2 also pulls cloud server configuration data through an MQTT or TCP protocol to configure own gateway, configuration files of the 485 data gateway device 2 are stored in the cloud server, and when the terminal equipment 1 configures the webpage, corresponding gateway configuration files are called from the cloud server through sending manufacturer information and model information of the terminal equipment 1.
The hypertext transfer protocol (Hyper Text Transfer Protocol, HTTP) is a simple request-response protocol that typically runs on top of TCP. It specifies what messages the client might send to the server and what responses it gets. The header of the request and response messages is given in ASCII form.
MQTT (message queue telemetry transport) is a message protocol based on the publish/subscribe paradigm under the ISO standard (ISO/IEC PRF 20922). It works on the TCP/IP protocol family and is a publish/subscribe message protocol designed for remote devices with low hardware performance and in poor network conditions.
The transmission control protocol (TCP, transmission Control Protocol) is a transport protocol specifically designed to provide reliable end-to-end byte streams over unreliable internetworks. TCP is intended to accommodate a layered protocol hierarchy that supports multiple network applications. Reliable communication services are provided by means of TCP between pairs of processes in host computers connected to different but interconnected computer communication networks. TCP assumes that it can obtain simple, possibly unreliable datagram services from lower level protocols. In principle, TCP should be able to operate over a variety of communication systems from hardwired to packet-switched or circuit-switched networks.
Preferably, the configuration file is in json format, and is mainly composed of three parts, namely port configuration definition, table register content definition and data uploading definition. JSON (JavaScript Object Notation, JS object profile) is a lightweight data exchange format. It stores and presents data in a text format that is completely independent of the programming language based on a subset of ECMAScript (European Computer Manufacturers Association, js specification by the european computer institute). The compact and clear hierarchical structure makes JSON an ideal data exchange language. Is easy to read and write by people, is easy to analyze and generate by machines, and effectively improves the network transmission efficiency.
Specifically, the port configuration definition includes a port number, a baud rate, data bits, a check method, and a stop bit. This definition facilitates subsequent communications and handshakes.
Specifically, the table register content definition includes a communication protocol frame format definition of the table, and a register address. The data uploading definition comprises a data uploading method, an uploading data port number, an uploading data equipment ID, an uploading data name and an uploading data calculating method, wherein the data uploading method comprises a TCP protocol or an MQTT protocol, and the uploading data calculating method comprises adopting a prefix expression definition. 485 data gateway device 2 performs initialization configuration on the corresponding ports through port configuration definition. 485 data gateway device 2 captures the content of the corresponding register of terminal equipment 1 through the table register content definition. 485 data gateway device 2 calculates the value actually needed by the preset calculation method through the definition of data uploading and uploads the content of the register which is grabbed in the last step. The format definition of the protocol data conversion and the data reporting of the 485 data gateway device 2 is determined by the configuration file. When networked, the data may be placed on a cloud device, or on a memory in the field. After the network is disconnected, the data can be reloaded from the local place while maintaining the state when the network is disconnected.
The method of the invention has outstanding substantial effects that: by using 485 data gateway device 2, the device and terminal device 1 can be conveniently configured, and the data after network disconnection will not be lost.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (9)
1. The intelligent configuration method based on the 485 data gateway comprises a 485 data gateway device (2), terminal equipment (1) and a cloud server, and is characterized in that: the 485 data gateway device (2) performs webpage setting on each terminal device (1) in a wired or wireless connection mode through an HTTP protocol, the 485 data gateway device (2) also pulls cloud server configuration data through an MQTT or TCP protocol to configure own gateway, wherein configuration files of the 485 data gateway device (2) are stored in the cloud server, and when the terminal device (1) configures a webpage, corresponding gateway configuration files are called from the cloud server by sending manufacturer information and model information of the terminal device.
2. The intelligent configuration method based on 485 data gateway as set forth in claim 1, wherein: the configuration file is in json format, and is mainly composed of three parts, namely port configuration definition, table register content definition and data uploading definition.
3. The intelligent configuration method based on 485 data gateway as set forth in claim 2, wherein: the port configuration definition includes a port number, a baud rate, data bits, a check method, and a stop bit.
4. The intelligent configuration method based on 485 data gateway as set forth in claim 2, wherein: the table register content definition includes a communication protocol frame format definition of the table, and a register address.
5. The intelligent configuration method based on 485 data gateway as set forth in claim 2, wherein: the data uploading definition comprises a data uploading method, an uploading data port number, an uploading data equipment ID, an uploading data name and an uploading data calculating method, wherein the data uploading method comprises a TCP protocol or an MQTT protocol, and the uploading data calculating method comprises adopting a prefix expression definition.
6. The intelligent configuration method based on 485 data gateway as set forth in claim 1, wherein: the 485 data gateway device (2) performs initialization configuration on the corresponding ports through port configuration definition.
7. The intelligent configuration method based on 485 data gateway as set forth in claim 1, wherein: the 485 data gateway device (2) is used for defining the content of a corresponding register of the grabbing terminal equipment (1) through the content of a table register.
8. The intelligent configuration method based on 485 data gateway as set forth in claim 7, wherein: and the 485 data gateway device (2) calculates the actually required value through a preset calculation method and uploads the register content which is grabbed in the last step through data uploading definition.
9. The intelligent configuration method based on 485 data gateway as set forth in claim 1, wherein: the format definition of protocol data conversion and data reporting of the 485 data gateway device (2) is determined by a configuration file.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211693013.2A CN116032743A (en) | 2022-12-28 | 2022-12-28 | 485 data gateway-based intelligent configuration method |
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| CN202211693013.2A CN116032743A (en) | 2022-12-28 | 2022-12-28 | 485 data gateway-based intelligent configuration method |
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