Internet of Things metering device with emergency function
By introducing emergency power modules and power supply switching functions into the metering box in the low-voltage table area, the data interruption caused by power outages is solved, continuous power supply and real-time monitoring of IoT devices are realized, and operation and maintenance efficiency and user satisfaction are improved.
CN222234483UActive Publication Date: 2024-12-24SHANDONG DEYUAN POWER TECHNOLOGY CORP LTD
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Patent Information
- Application Number
- CN202420910324.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-29
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Figure CN222234483U_ABST
Abstract
The utility model relates to the technical field of transformer area metering boxes, in particular to an internet of things metering device with an emergency function, which comprises a metering box body, an electric energy metering module, a communication module, a main power supply circuit, an emergency power supply module and a power supply switching module. The input side of the power supply switching module is electrically connected with the main power supply circuit and the emergency power supply module, the output side of the power supply switching module is electrically connected with the electric energy metering module and the wireless communication module, and the emergency power supply module comprises an energy storage battery, a soft start circuit, a switching power supply, an SPWM control unit and a full-bridge voltage inverter circuit. The output end of the energy storage battery is electrically connected with the full-bridge voltage inverter circuit through the soft start circuit, the output end of the energy storage battery is electrically connected with the SPWM control unit through the switching power supply, and the SPWM control unit is electrically connected with the full-bridge voltage inverter circuit.
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