Communication system of cable tunnel patrol inspection robot

Abstract

The invention discloses a communication system of a cable tunnel patrol inspection robot. The communication system belongs to the technical field of wireless communication. The communication system comprises a base station, a leakage cable distribution system and the communication system of a patrol inspection robot body; the base station can modulate and send the control instruction of a main controller, receive a signal acquired by the robot and process the signal correspondingly; the leakage cable distribution system is used for realizing the wire communication between the base station and a leakage cable and the wireless communication between the communication system of the patrol inspection robot body and the leakage cable, and can realize the real-time two-way communication between the base station and the patrol inspection robot; the communication system of the patrol inspection robot body can realize the one-way transmission of multi-channel video signals and the two-way transmission of data signals. The whole system realizes the long-distance transmission of the wireless signals in a tunnel, solves the problem that the communication of a traditional antenna system in the cable tunnel is difficult, and provides an effective approach to the mobile communication of the patrol inspection robot.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a cable tunnel inspection robot communication system. Background technique [0002] The space of the cable tunnel is narrow, there are corners and forks, and a large number of structures are installed in the tunnel, which constitutes a closed-space space propagation environment. When radio waves propagate in this environment, they will be continuously reflected and refracted on the surface of the tunnel, causing the wireless receiver to receive reflected waves and refracted waves in addition to receiving direct waves, and mainly receive reflected waves, refracted waves and diffracted waves. At the same time, the structures in the tunnel also have the effects of absorption, reflection, scattering, and diffraction of electromagnetic waves. This special environment causes the traditional antenna system to have short transmission distance, fast signal att...

AI Technical Summary

Problems solved by technology

This special environment causes the traditional antenna system to have short transmission distance, fast signal attenuation, and unstable field strength distribution, which cannot meet the requirements of long-distance mobile communication for inspection robots in cable tunnels.

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