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Data display method, client and system based on MQTT protocol

A data display and client-side technology, applied in transmission systems, electrical components, etc., can solve problems such as low performance, achieve rich functions, solve data interaction problems, and provide real-time and reliable message services

Pending Publication Date: 2022-03-04
浙江绿色慧联有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the data transmission part, some large web monitoring screens use javacript polling or periodically refresh the page to update the display data, and the performance is low

Method used

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  • Data display method, client and system based on MQTT protocol
  • Data display method, client and system based on MQTT protocol
  • Data display method, client and system based on MQTT protocol

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] In order to better understand the embodiments of the present invention, the description of related terms is as follows:

[0037] ECharts is an open source visualization library that can run smoothly on PCs and mobile devices, providing intuitive, interactive and highly customizable data visualization charts.

[0038] MapVGL is a WebGL-based geographic information visualization library that can be used to display a large number of 3D-based g...

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Abstract

The embodiment of the invention discloses a data display method based on an MQTT protocol, a client and a system. The method comprises the following steps: establishing communication connection with a web server by adopting an MQTT transmission protocol; receiving current data pushed by the web server, and adding the current data into a data queue; reading the earliest data in the data queue as target data; and the terminal displays the target data on the monitoring large screen, and performs voice broadcasting and video playing on the target data through the monitoring large screen. According to the embodiment of the invention, a data transmission mode based on an MQTT transmission protocol is adopted, and real-time and reliable message service can be provided with few codes and limited bandwidth, so that real-time monitoring of a large screen is realized, and the problem of data interaction is solved. Besides, according to the embodiment of the invention, voice broadcasting and video playing can be carried out while the data is displayed through the monitoring large screen, so that the functions of the monitoring large screen are enriched.

Description

technical field [0001] The invention relates to the technical field of computer software, in particular to a data display method, client and system based on the MQTT protocol. Background technique [0002] The large data screen is mainly used to clearly and effectively display relatively complex and unintuitive data with the help of intuitive charts and graphical means, thereby lowering the threshold for data interpretation. [0003] At present, most large monitoring screens only focus on the graphical interface, lacking other functions such as voice broadcast and video playback. In the data transmission part, some large web monitoring screens use javacript polling or periodically refresh the page to update the display data, and the performance is low. Contents of the invention [0004] In view of the technical defects in the prior art, the purpose of the embodiments of the present invention is to provide a data display method, client and system based on the MQTT protocol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L67/02H04L67/01H04L67/75
CPCH04L67/02H04L69/26
Inventor 闫伟杨东金彪
Owner 浙江绿色慧联有限公司
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