Air purifier based on principle of vapor condensation and adsorption and air conditioning apparatus having same

Abstract

An air purifier based on the principle of vapor condensation and adsorption and an air-conditioning apparatus having the air purifier is provided. The purifier includes an air blowing device, a humidifying device, a cooling device and a heating device, wherein a passage for air circulation is formed; the air to be purified flows in via inlet of the passage by the air blowing device; when the air is cooled at the cooling device, vapor in the air is condensed and adsorbs pollutants in the air during condensation, and the pollutants, together with the droplets and/or solid particles formed by the condensation of vapor, drip from the air to be purified under the action of gravity, so as to be removed from the air; and the heating device is used for heating, such that the air discharged from outlet of the satisfies a pre-set temperature threshold.

1 . An air purifier based on a principle of vapor condensation and adsorption, comprising:
 an air blowing device;   a humidifying devices;   a cooling device; and   a heating device;   wherein the humidifying device is used to increase a content of vapor in air, and the cooling device is used to reduce a temperature of the air;   wherein the humidifying device, the cooling device, and the heating device are connected to form a passage for air circulation, and under an action of the air blowing device, the air to be purified flows in via an inlet of the passage for air circulation, and when the air is cooled at the cooling device, the vapor in the air is condensed and adsorbs pollutants in the air during condensation, and the pollutants, together with at least one of: droplets and/or solid particles formed by the condensation of the vapor, drip from the air to be purified under an action of gravity, so as to be removed from the air to be purified;   wherein the heating device is used for heating the air, such that air discharged from an outlet of the passage for air circulation satisfies a pre-set temperature threshold.   
     
     
         2 . The air purifier according to  claim 1 , wherein the humidifying device comprises a liquid reservoir, a booster pump, and an atomizing nozzle, the liquid reservoir being used to store liquid, and the booster pump is used to enable a liquid in the liquid reservoir to flow towards the atomizing nozzle at a pre-set pressure threshold, and the atomizing nozzle being used to spray out the liquid in a mist form, further wherein the liquid reservoir, the booster pump, and the atomizing nozzle are sequentially connected via pipelines. 
     
     
         3 . The air purifier according to  claim 1 , wherein the humidifying device comprising a liquid reservoir, an ultrasonic generator, and an oscillating piece, the oscillating piece be set in the liquid reservoir, and the ultrasonic generator be used to provide a high oscillation frequency to the oscillating piece so as to atomize liquid in the liquid reservoir into vapor. 
     
     
         4 . The air purifier according to  claim 1 , wherein the cooling device is a refrigerant evaporator in an air conditioning system. 
     
     
         5 . The air purifier according to  claim 1 , wherein the cooling device comprises a duct through which cold air passes. 
     
     
         6 . The air purifier according to  claim 1 , wherein the heating device is an electric heating wire or electric heating wires. 
     
     
         7 . The air purifier according to  claim 1 , wherein the heating device is a refrigerant condenser in an air conditioning system. 
     
     
         8 . The air purifier according to  claim 1 , wherein the air purifier comprises at least one of a collection container for receiving at least one of the droplets and/or the solid particles formed by the condensation of vapor, or at least one of a drain outlet for discharging at least one of the droplets and/or the solid particles formed by the condensation of vapor. 
     
     
         9 . The air purifier according to  claim 1 , wherein the liquid in the humidifying device is water, brine solution, alkaline aqueous solution, or acid aqueous solution. 
     
     
         10 . The air purifier according to  claim 1 , wherein the humidifying device, the cooling device, and the heating device are sequentially connected, the humidifying device is close to the inlet of the passage for air circulation, and the heating device is close to the outlet of the passage for air circulation. 
     
     
         11 . The air purifier according to  claim 1 , wherein the heating device, the humidifying device, and the cooling device are sequentially connected, the heating device is close to the inlet of the passage for air circulation, and the cooling device is close to the outlet of the passage for air circulation. 
     
     
         12 . The air purifier according to  claim 1 , wherein the cooling device, the humidifying device, and the heating device are sequentially connected, the cooling device is close to the inlet of the passage for air circulation, and the heating device is close to the outlet of the passage for air circulation. 
     
     
         13 . The air purifier according to  claim 1 , wherein the air purifier comprises a controller and a temperature sensor electrically connected with the controller, the temperature sensor being used to detect temperature at the outlet of the passage for air circulation, and the controller adjusts heating temperature of the heating device according to a detection result of the temperature sensor. 
     
     
         14 . The air purifier according to  claim 1 , wherein the air purifier comprises a controller and a humidity sensor electrically connected with the controller, the humidity sensor being used to detect humidity at the humidifying device, and the controller adjusts humidification of the humidifying device according to a detection result of the humidity sensor. 
     
     
         15 . The air purifier according to  claim 1 , wherein the air purifier comprises a second heating device, and the second heating device is provided at the humidifying device to increase a saturated humidity of the vapor at the humidifying device. 
     
     
         16 . The air purifier according to  claim 15 , wherein the air purifier further comprises a controller and an air pollutant detection device connected with the controller, the air pollutant detection device being used to detect pollutant concentration in the air, and the controller at least one of: adjusts a heating temperature of the second heating device and/or turns off the air purifier according to a detection result of the air pollutant detection device. 
     
     
         17 . An air conditioning apparatus, comprising the air purifier according to  claim 1 , and an evaporator and at least two condensers, wherein a first condenser is provided outdoors and at least one second condenser is provided indoors and serves as the heating device of the air purifier, and the evaporator is provided indoors and serves as the cooling device of the air purifier. 
     
     
         18 . The air conditioning apparatus according to  claim 17 , further comprising a reversing valve, the reversing valve configured to control refrigerant in air conditioning pipes to circulate according to one of:
 in pure cooling mode, the refrigerant does not flow through the at least one condenser provided indoors;   in pure air purification mode, the refrigerant does not flow through the condenser provided outdoors;   in cooling and air purification combined mode, the refrigerant flows through the condenser provided outdoors and the at least one condenser provided indoors proportionally.