Power supply system based on communication instrument indoor charging cabinet

The invention discloses a power supply system based on an indoor charging cabinet of a communication instrument, and the power supply system comprises a heat preservation module connected with the charging cabinet, a water absorption module connected with the heat preservation module, a moisture-proof module connected with the heat preservation module, a power supply module connected with the charging cabinet, and a control module connected with the power supply module. And the power-off module is connected with the control module. The system has the beneficial effects that a worker can remotely monitor the charging cabinet through the monitoring module, charging and power-off control is carried out according to a monitoring result, the system can be manually controlled or automatically operated according to different conditions, automatic power-off can be carried out in the charging process, automatic power-off can also be carried out when a circuit breaks down, and the working efficiency is improved. Theref