Wireless, intelligent and controllable metering equipment used for socket

Abstract

The technical scheme of the invention provides wireless, intelligent and controllable metering equipment used for a socket, comprising a phase detection circuit, a voltage sampling circuit, an electric energy metering unit, a wireless communication module, a power supply circuit, a heavy current relay circuit and a current acquisition circuit. The wireless, intelligent and controllable metering equipment used for the socket provided by the invention has the advantage that the defects of the traditional controllable socket that a relay contact can produce an extremely heavy current or high voltage instantly and a phase selection angle of a solid relay is uncontrollable in an on-off control process can be overcome and is a wireless, intelligent and controllable metering socket with zero-cross control. Meanwhile, the defects of the tradition metering socket that volume of the voltage sampling circuit and a current sampling circuit is larger, a metering range is narrow, metering accuracy is low and minimum current can not be measured are overcome. The wireless, intelligent and controllable metering equipment in the invention also solves the problem that the traditional metering socket can not realize wireless control and networking function and realizes intelligent networked control on loads and wireless networked transmission on metering information.

Description

technical field [0001] The invention relates to an intelligent control device with a metering function, in particular to a wireless intelligent controllable metering device for a socket. Background technique [0002] With the advancement of science and technology, wireless, digitization, networking, and intelligence are a trend in the current application of science and technology, reflecting the needs of the times, and are the development direction of the information society and future intelligent buildings. In an environment of increasingly tense global energy resources, the concept of green and low-carbon has increasingly penetrated into social production and life. In particular, many requirements are put forward for the power consumption and energy-saving control of electrical equipment. From traditional remote wired point-to-point manual control to today's mainstream wireless networked intelligent control. [0003] ZIGBEE technology is an emerging wireless communicatio...

AI Technical Summary

Problems solved by technology

Because the contacts of the relay act when the input mains voltage is not zero-crossing, especially when the mains phase is 90 degrees or 270 degrees, the relay contacts will generate a huge instantaneous high current or high voltage, which is harmful to the relay itself and electrical equipment. The service life and normal working condition of the

Although there are zero-crossing solid-state relays, traditional relays are still irreplaceable

In fact, smart sockets without zero-crossing control function will lead to derating usage, resulting in waste of resources

[0005] The traditional metering socket does not have wireless on-off control, and its measuring range is not large. It is difficult to measure accurately when the load is small. At the same time, it is difficult to integrate into the panel socket because of its large size; With zero control function, it is difficult to achieve the normal operation of 16A rated current on and off in the socket, and there is no wireless network capability and metering function. Due to the limitation of various objective conditions, there is no one that can be connected remotely. Relay zero-crossing control in two local modes On-off smart metering socket with wireless network capability with rated current of 16A

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