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Control method and control circuit for intelligent socket

A control method and a technology of the main control circuit, applied in general control systems, circuits, program control, etc., can solve problems such as cost problems, poor contact, logical judgment, and fuzzy control, and achieve convenient use, no need for circuit debugging, and a degree of automation high effect

Inactive Publication Date: 2013-01-02
HANGZHOU KAITE ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1. In order to achieve stepless adjustment and reduce costs, a mechanical potentiometer is used. The resistance of the potentiometer is easily affected by vibration and humid environment, resulting in poor contact and the circuit cannot work normally;
[0010] 2. Although stepless adjustment is adopted, the real load power consumption or preset power consumption cannot be displayed, and the logic judgment and control are fuzzy, which brings inconvenience to the actual operation;
[0011] If real display power consumption is required, the display screen and its supporting circuits are expensive, which will bring new cost problems

Method used

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  • Control method and control circuit for intelligent socket

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Embodiment Construction

[0032] A control method for intelligent power strip, the method is as follows:

[0033] A. Load the load on the main control circuit to the normal working state within the preset time after the plug is powered on; the preset time is 1 to 5 minutes, and this time period can include the self-test of the microprocessor circuit and other programs ;

[0034] B. Timing acquisition of the analog current signal on the main control circuit; timing acquisition refers to the acquisition several times per second for several seconds;

[0035] C. Calculate the average value of the collected analog current signal;

[0036] D. According to the average value of the analog current signal, take the percentage less than the average value as the reference current signal and store it; the percentage is 5% ~ 50%;

[0037] E. Regularly collect the real-time current signal on the main control circuit, and compare it with the reference current signal; timing collection refers to collecting once every...

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PUM

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Abstract

The invention discloses a control method for an intelligent socket. The method comprises the following steps of: A, after the socket is electrified, loading a load on a main control circuit to a normal work state in pre-set time; B, collecting a simulated current signal on the main control circuit at regular time; C, calculating an average value of the collected simulated current signal; D, taking the percentage of the average value, which is less than the average value of the simulated current signal, as a standard current signal, and storing the standard current signal; E, collecting a real-time current signal on the main control circuit and comparing the real-time current signal with the standard current signal; and F, if the real-time current signal is less than the standard current signal, switching off a power supply of a controlled circuit; otherwise, maintaining the power supply of the controlled circuit. The invention further discloses a control circuit which is matched with the control method and is used for the intelligent socket. The intelligent socket manufactured by the invention has the beneficial effects of convenience for use, free debugging of the circuit, high automation degree and energy saving.

Description

technical field [0001] The invention relates to a control method and a control circuit for a row and socket for switching power supplies. Background technique [0002] Energy-saving power strips currently on the market usually use a logic decision circuit for power consumption control, such as figure 1 As shown, the voltage at both ends of the sampling resistor RT is input to the operational amplifier in the AC voltage signal amplification rectification filter circuit for comparison with the preset reference voltage. After the signal is amplified, it is rectified and filtered through the voltage follower circuit and finally output to the transistor Q1 to drive the relay. J; when the load current on the main control strip CZ1 is lower than the reference voltage value, the relay J loses power, and K1 turns off the power output of the controlled strip CZ2; when the load current on the main control strip CZ1 is greater than the reference voltage value , relay J is energized, K1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042H01R13/66H01R13/70
Inventor 吕健洪常青
Owner HANGZHOU KAITE ELECTRICAL APPLIANCE CO LTD
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