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Data transmission method and device, and controller local area network system

A data transmission method and technology of a network system, applied in the field of data transmission methods, devices, and controller local area network systems, capable of solving problems such as low stability of data transmission

Pending Publication Date: 2022-03-25
杭州海康消防科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present application provides a data transmission method, device, and controller local area network system, which are at least used to solve the problem of low data transmission stability in the prior art, and ensure that data can be effectively transmitted between different node devices

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  • Data transmission method and device, and controller local area network system
  • Data transmission method and device, and controller local area network system
  • Data transmission method and device, and controller local area network system

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0035] It should be noted that, in the embodiments of the present application, words such as "exemplary" or "for example" are used as examples, illustrations or descriptions. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application shall not be interpreted as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplar...

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Abstract

The embodiment of the invention provides a data transmission method and device and a controller area network system, relates to the technical field of communication and the technical field of fire protection, and aims to solve the problem of low data transmission stability in the prior art. Specifically, the data transmission method is applied to node equipment in a controller local area network system, the node equipment comprises a first communication port and a second communication port, and the first communication port or the second communication port can serve as a data receiving port and a data sending port. The method comprises the following steps: receiving first transmission data through any one of a first communication port and a second communication port, and receiving second transmission data through the other one of the first communication port and the second communication port under the condition that first additional information is inconsistent with current node equipment information and first target data is valid data; and sending the first transmission data to other node equipment connected with the current node equipment in the controller local area network system.

Description

technical field [0001] The present application relates to the field of communication technology and fire protection technology, and specifically relates to a data transmission method, device, and controller local area network system. Background technique [0002] At present, in most fire alarm systems, the transmission data is sent to other alarm equipment through one alarm equipment respectively. During data transmission, if the transmission link between the alarm device sending data and the alarm device receiving data is interrupted, the alarm device receiving data can no longer receive the transmitted data. This phenomenon directly leads to poor stability of data transmission. Contents of the invention [0003] The embodiment of the present application provides a data transmission method, device, and controller local area network system, which are at least used to solve the problem of low data transmission stability in the prior art, and ensure that data can be effecti...

Claims

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Application Information

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IPC IPC(8): H04L49/253H04L49/351H04L69/16
CPCH04L49/351H04L69/16H04L49/253
Inventor 陈泽南
Owner 杭州海康消防科技有限公司
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