On-demand energy-saving controller of air conditioner

The utility model discloses an on-demand energy-saving controller of an air conditioner. The on-demand energy-saving controller comprises a power module 1, a key module 2, a display module 3, an acquisition module 4, a wireless receiving module 5 and a control module 6. The acquisition module comprises an entering human body detecting unit and a temperature detecting unit, the entering human body detecting unit is used for detecting the number of people, the temperature detecting unit is used for detecting an environmental temperature, and the control module 6 judges demands on the air conditioner according to an acquired indoor temperature and the acquired number of people, so that a working state of the air conditioner can be controlled, and power consumption of the air conditioner can be reduced to the greatest extent on the premise that the indoor comfort is not changed as far as possible. Besides, wireless radiofrequency signals can be received, the on-demand energy-saving controller is provided with an RS485 communication interface, accordingly, wireless remote control effects can be realized, the on-demand energy-saving controller can be combined with a smart home, and the air conditioner can be remotely controlled and managed in a network mode (via mobile phones or the internet). The on-demand energy-saving controller of the air conditioner has the advantages of low price, simplicity in operation and easiness in implementation.