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Remote control area network (CAN) bus communication system and implementation method thereof

A CAN bus and communication system technology, applied in the field of power communication systems, can solve the problems of inflexible communication, short communication distance, high cost, etc., achieve the effect of solving the communication baud rate inconsistency, and solving the problem of terminal resistance matching

Inactive Publication Date: 2013-01-30
AEROSPACE SCI & IND SHENZHEN GROUP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a long-distance CAN bus communication system with long communication distance, flex

Method used

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  • Remote control area network (CAN) bus communication system and implementation method thereof
  • Remote control area network (CAN) bus communication system and implementation method thereof
  • Remote control area network (CAN) bus communication system and implementation method thereof

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] see figure 1 , figure 1 It is a schematic structural diagram of the first embodiment of the long-distance CAN bus communication system of the present invention, as figure 1 As shown, the system includes a centralized unit 1 installed in a substation or a ring network cabinet and a plurality of acquisition units respectively installed in the tunnel wall of a cable tunnel, for example, an acquisition unit 21, an acquisition unit 22 ... an acquisition unit 2n, etc., wherein, N is a natural number, and the meanings of the following multiple acquisition units are the same, and the following wil...

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Abstract

The invention discloses a remote control area network (CAN) bus communication system and an implementation method thereof. The system comprises a centralizing unit mounted in a substation or a ring main unit and a plurality of collecting units which are respectively mounted on a cable tunnel wall, wherein the centralizing unit is respectively connected with each collecting unit through the CAN bus. The state in the cable tunnel can be monitored just by laying one CAN bus. Besides, the problem of terminal resistance matching of the collecting units of the remote CAN bus communication is solved, and the problem that the communication baud rate among the units is inconsistent is solved. The system and method have the characteristics of flexibility and convenience in case of long communication distance.

Description

technical field [0001] The invention relates to a power communication system, in particular to a long-distance CAN bus communication system and its realization method. Background technique [0002] With the accelerated development of cities, the rapid growth of power tunnels, and the sharp increase in power loads, how to avoid operational safety accidents caused by overloading and overheating of cables in tunnels, water accumulation in tunnels, toxic gases, etc. affect the safety of power supply systems , It is necessary to adopt modern technical means to improve the operation and maintenance level of power tunnels and tube wells. [0003] The cable operation management department invests a lot of manpower and material resources every year to inspect the environment inside the cable tunnel and the operation status of the cable, especially in the season of high temperature and heavy load. , the anti-theft or damage inspection of the tunnel manhole cover, as well as the heigh...

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Application Information

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IPC IPC(8): H04L12/40G08C19/00
Inventor 吴晓娜辛勇军李冬丽
Owner AEROSPACE SCI & IND SHENZHEN GROUP
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