Non-contact inductive electricity-getting device for electric tunnel cable

Abstract

The invention discloses a non-contact inductive electricity-getting device for an electric tunnel cable, which has the advantages of simple structure, convenient use, non-contact electricity getting, and the like. The non-contact inductive electricity-getting device for the electric tunnel cable comprises at least one electricity-getting loop, each electricity-getting loop comprises a mutual-induction electricity-getting device which is connected with a rectifying circuit, the rectifying circuit is connected with a protection circuit and a power coefficient correcting circuit which is connected with a voltage stabilizing circuit; and the voltage stabilizing circuit in each electricity-getting loop is connected with an electricity-getting balance control circuit.

Description

technical field [0001] The invention relates to a power tunnel cable non-contact induction power-taking device capable of obtaining electric energy through a non-contact induction power-taking method under the condition that there is no power supply line in the power tunnel. Background technique [0002] At present, the construction of auxiliary equipment (lighting, mechanical ventilation, and fire prevention warning) for power tunnels is gradually launched. In the past power tunnels, there is usually no special layout of AC 220V or other power supply circuits dedicated to auxiliary equipment in the tunnel, which brings great challenges to the development and deployment of cable monitoring systems and tunnel lighting systems in this case. Inconvenient, so usually the battery can only be used as the main energy supply. On the one hand, the power consumption of the equipment is required to be extremely low. At the same time, the battery must be replaced regularly, which brings...

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Problems solved by technology

In the past power tunnels, there is usually no special layout of AC 220V or other power supply circuits dedicated to auxiliary equipment in the tunnel, which brings great challenges to the development and deployment of cable monitoring systems and tunnel lighting systems in this case. Inconvenient, so usually the battery can only be used as the main energy supply. On the one hand, the power consumption of the equipment is required to be extremely low. At the same time, the battery must be replaced regularly, which brings great inconvenience to the work.

[0003] Since the power tunnel is characterized by long distance, wide range, humid environment, heavy water vapor in the tunnel, sewage accumulation in some sections, and even biogas generation, the reliability of the equipment in the tunnel is extremely high; at the same time, considering the The safety of operation and construction personnel usually requires the power supply of auxiliary equipment in the tunnel to be low voltage, which requires that the power supply line must be laid with large-diameter cables, which greatly increases the investment in the power supply line, which is usually unacceptable Yes, you must find a cheap and safe solution to accept it

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