An intelligent power socket based on the Internet of Things
A technology of intelligent power supply and the Internet of Things, which is applied to circuits, electrical components, parts of connecting devices, etc., can solve the problem that ordinary power sockets cannot identify whether electrical equipment is connected, cannot determine power parameters of power sockets, and cannot take timely measures. Effective measures and other issues to avoid electric shock or burn accidents, prevent fire injuries, and avoid property damage
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[0028] 1. Embedded high-performance MCU
[0029]Microprocessor is the core part of the whole system, responsible for data collection and processing. MSP430F149 low-power processor is used as the MCU of the system. MSP430F149 is a low-power, highly-integrated, high-performance single-chip microcomputer, which includes 1 hardware multiplier, 48 I / O ports, 1 analog comparator, 2 timers with capture / compare registers, 8 Road 12-bit A / D converter, on-chip watchdog timer, 2 hardware serial communication interfaces, 60KB Flash ROM and 2KB RAM, the working voltage is 3.3V.
[0030] 2. Real-time automatic monitoring module of electric energy parameters
[0031] ATT7059 chip is used as the electric energy metering part of the system. ATT7059 is a single-phase multi-function metering chip with SPI, and its working range is 3.0-3.6V. ATT7059 has three channels of 19bit sigma-delta ADC, the sampling rate is 28k / 14k / 7kHz adjustable, supports a dynamic range of 5000:1, supports active po...
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