Centerless network connection rapid detection device
A central network and detection device technology, which is applied in the bus network, data exchange network, data exchange through path configuration, etc., can solve the problems of network structure paralysis, the inability to quickly detect the disconnection of the network cable, etc., and achieve simple, effective and fast price. The effect of locating the location where the network is disconnected and the price is cheap
Active Publication Date: 2020-06-12
DALIAN UNIV OF TECH
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Problems solved by technology
Traditional network cable detection devices cannot quickly detect which network cable is disconnected in the LAN topology detection where a large number of network cables are used, resulting in the long-term paralysis of the entire network structure
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[0017] The specific implementation manners of the present invention will be further described below in conjunction with the technical solutions and the accompanying drawings.
[0018] like figure 1 and image 3 As shown, a fast detection device for a non-central network connection is mainly composed of a plurality of detection units 1 and a communication bus 2; the detection unit 1 is composed of a switch 3 and a microcontroller 4; the switch 3 is a dual-port switch, During work, connect the node of the network topology structure to be detected by network cable 8; One end of the microcontroller 4 is connected to the switch 3 by two wires, and the other end is connected to the communication bus 2; The communication bus 2 is a 485 bus, and the network topology adopts Terminal matching bus structure, that is, using a bus to connect each detection unit 1 in series;
[0019] like figure 2 As shown, there is a need to detect the network topology in the actual project. The networ...
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The invention belongs to the technical field of network cable detection devices, and particularly relates to a centerless network connection rapid detection device which is mainly composed of a plurality of detection units 1 and a communication bus 2. The detection unit 1 is composed of a switch 3 and a microcontroller 4, wherein the communication bus 2 is a 485 bus, and the network topology adopts a bus type structure matched with a terminal, i.e., each detection unit 1 is connected in series by adopting one bus. According to the invention, a section of network connection is detected througha plurality of detection units, the disconnected position of the network can be quickly positioned for a local area network topological structure using a large number of network cables, and meanwhile,all the detection units communicate through the 485 bus, so that the price is low, and the operation is simple and effective.
Description
technical field [0001] The invention belongs to the technical field of network cable detection devices, in particular to a fast detection device for a centerless network connection. Background technique [0002] Some large-scale LAN topologies require a large number of networks to connect each node. Common network connections mainly include network cables, coaxial cables and optical cables, and network cables are most widely used in local area networks. The normal connection of network cables between each node is the guarantee for the normal operation of the entire LAN topology. Traditional network cable detection devices cannot quickly detect which network cable is disconnected in the LAN topology structure detection where a large number of network cables are used, resulting in the long-term paralysis of the entire network structure. Contents of the invention [0003] In order to solve the above problems, the present invention provides a fast detection device for a dece...
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Login to View More IPC IPC(8): H04L12/26H04L12/24H04L12/40
CPCH04L43/50H04L43/08H04L43/0811H04L41/12H04L12/40006
Inventor 朱明潘进豪吴国伟孙浩博
Owner DALIAN UNIV OF TECH