Window-type air purifier for office

The utility model belongs to the field of air purifying equipment, relates to a window-type air purifier for an office and having functions of filtering, temperature adjusting and humidity controlling, and aims at meeting ever-increasing needs, of people, on air quality. The window-type air purifier comprises an optical dust sensor, a temperature sensor, a humidity sensor, a 89C51 single chip microcomputer, a power source circuit, a fan driving circuit, a semiconductor thermoelectric cooler circuit, a parameter storage circuit and a liquid crystal display circuit. The parameter storage circuit and buttons can enable a user to set a temperature and humidity range that the user wants to adjust and control by himself or herself, and the 89C51 single chip microcomputer receives signals of the optical dust sensor, the temperature sensor and the humidity sensor and controls a fan and a semiconductor thermoelectric cooler to run through an internal program so as to achieve the objectives of temperature adjusting, hu