Control circuit for switching timing mode of air conditioner

Abstract

The invention discloses a control circuit for switching a timing mode of an air conditioner. The control circuit comprises a single chip microcomputer U1, a perpetual calendar clock chip U2, a resistor R1, a triode Q1, a diode D1, a relay KA1 and a power supply VCC, wherein the perpetual calendar clock chip U2 is connected with the single chip microcomputer U1; the single chip microcomputer U1 is used for continuously reading time values; one end of the resistor R1 is connected with a first I/O port of the single chip microcomputer U1; the other end of the resistor R1 is connected with the triode Q1; the emitter electrode of the triode Q1 is grounded; the collector electrode of the triode Q1 is connected with the anode of the diode D1 and a contact of one end of the coil of the relay KA1 respectively; the cathode of the diode D1 and the contact of the other end of the coil of the relay KA1 are both connected with the power supply VCC. By adding set time points, the on/off states of the air conditioner can be changed intelligently and automatically for multiple times, a relatively convenient and rapid control effect can be achieved, and great energy waste and adverse influence on human bodies, which are caused by long-term air conditioning, can be avoided.

Description

technical field [0001] The invention belongs to the field of control circuits, in particular to a control circuit for timing mode switching of an air conditioner. Background technique [0002] Air conditioners are widely used in company buildings, households and other places, and have important practical application value. There are three main working modes of air conditioners: [0003] The first is instant on and off; [0004] The second is to turn on the air conditioner regularly when it is turned off; [0005] The third is to turn off the air conditioner regularly when it is turned on. [0006] These three working modes still cannot meet the needs of users in some cases. For example, at night, if the user wants to fall asleep with the air conditioner on, and turn off the air conditioner after falling asleep, he must turn on the air conditioner before getting up to maintain A comfortable indoor temperature cannot be achieved only by relying on the above three working m...

AI Technical Summary

Problems solved by technology

[0006] These three working modes still cannot meet the needs of users in some cases. For example, at night, if the user wants to fall asleep with the air conditioner on, and turn off the air conditioner after falling asleep, he must turn on the air conditioner before getting up to maintain A comfortable indoor temperature cannot be achieved only by relying on the above three working modes

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