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AC Intelligent Power Distribution Control Module

A control module, intelligent power distribution technology, applied in electrical components, circuit devices, emergency protection circuit devices, etc., can solve the problems of complex overall circuit, high cost, single function, etc., to achieve high scalability, fewer components, The effect of complete status information

Active Publication Date: 2016-07-06
HEFEI TONGZHI ELECTRICAL CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the Chinese patent "Three-phase Intelligent AC Distribution Box" (public date: September 1, 2010) discloses the following scheme: including DC voltage stabilization module, setting module, short circuit / overload detection module, leakage detection module, over / Under-voltage detection module, etc., for this kind of circuit, the function of the product used is relatively single, which requires a variety of product combinations to realize, the overall circuit is complicated and the cost is high

Method used

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  • AC Intelligent Power Distribution Control Module
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  • AC Intelligent Power Distribution Control Module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, the AC power supply is single-phase, and there are two input terminals 51, such as figure 1 , figure 2 As shown, they are L and N respectively, and there are two output terminals 52, L' and N' respectively. The signal acquisition unit 210 includes a voltage signal detection circuit 211, a current signal detection circuit 212, and a signal filter circuit 213. The electric energy metering unit 220 described above is an ADE7953 chip, and the CS, MISO / SDA / Tx, MOSI / SCL / Rx, and SCLK pins of the ADE7953 chip are connected to the microprocessor 310; the voltage signal detection circuit 211 includes a current transformer T1, a current transformer The input terminals of the device T1 are connected to L' and N' respectively, and the two output terminals of the current transformer T1 are respectively connected to the VP and VN pins of the ADE7953 chip after being filtered by a resistor and a capacitor; the current signal detection circuit 212 includes a current trans...

Embodiment 2

[0023] Embodiment 2, the AC power supply is three-phase, and there are four input terminals 51, such as image 3 , Figure 4 As shown, they are A, B, C, and N respectively, and there are four output terminals 52, which are respectively A', B', C', and N'. The signal acquisition unit 210 includes a voltage signal detection circuit 211, a current signal Detection circuit 212, signal filtering circuit 213, described electric energy metering unit 220 is ADE78XX chip, and ADE78XX chip represents the chip of ADE78 series, and it comprises ADE7878 chip, ADE7880 chip etc., and wherein ADE7880 chip does not calculate total reactive power and total reactive power Power, according to the actual needs to choose the appropriate chip. The SS / HSA, MISO / HSD, MOSI / SDA, SCLK / SCL pins of the ADE78XX chip are connected to the microprocessor 310, and there is a horizontal bar on the SS here; the voltage signal detection circuit 211 includes current transformers T4, T5, T6, The input terminals of...

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Abstract

The present invention relates to the technical field of electromechanical control, in particular to an AC intelligent power distribution control module, including a circuit breaker, a signal acquisition unit arranged between the circuit breaker and the power supply side or the load side, and the signal acquisition unit collects the AC power supply The voltage and current information is output to the electric energy metering unit, and the electric energy metering unit outputs voltage, current, frequency, and phase sequence information to the microprocessor after preprocessing, and the microprocessor processes each information and outputs control signals to the drive control chip , the drive control chip controls the forward and reverse rotation of the motor in the execution unit to realize the on and off of the circuit breaker. The invention has many advantages such as wide application range, flexible protection, complete state information, high reliability and high expandability.

Description

technical field [0001] The invention relates to the technical field of electromechanical control, in particular to an AC intelligent power distribution control module. Background technique [0002] The AC power distribution control system is mainly used for the protection, power distribution control and status detection of the low-voltage electrical system. It uses modern computer, information processing and communication technologies to monitor, manage and control the operation of the distribution network and loads to realize the automation of power grid distribution. Its main functions include electrical on-off control, data acquisition and monitoring, distribution Power grid fault identification and protection, etc. [0003] In the prior art, AC power distribution control modules mostly use AC contactors, thermal relays, circuit breakers, overvoltage and undervoltage protection modules, phase sequence protection modules, etc. to realize power-on control and fault identif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H3/28
Inventor 王文兵韩永彭松柏王燕玲
Owner HEFEI TONGZHI ELECTRICAL CONTROL TECH