摘要：【中文】本发明涉及了一种可降温和化霜辅助装置，其应用于空调室外机的进风口上，包括：水雾喷水设于所述空调外机的进风口上；水雾控制器与所述水雾喷水器电连接；加热模块与所述水雾控制器电性连接且与所述水雾喷水器相连通。本发明提供的可降温和化霜辅助装置可以在制冷模式时，利用水雾喷水器喷射水雾降低制冷室外侧进风温度，提高高温制冷能效；在制热模式和化霜模式时，利用水雾喷水器和加热模块开启，喷射高温水流提高制热室外侧进风温度，抑制制热结霜速度及提高化霜效率；还提供一种具有可降温和化霜辅助装置的空调器，以及提供一种使用该可降温和化霜辅助装置的可降温和化霜辅助装置的控制方法。 【EN】The invention relates to a cooling and defrosting auxiliary device, which is applied to an air inlet of an air conditioner outdoor unit and comprises: the water spray is arranged on an air inlet of the air conditioner external unit; the water mist controller is electrically connected with the water mist sprayer; the heating module is electrically connected with the water mist controller and communicated with the water mist sprayer. The auxiliary device capable of reducing temperature and defrosting provided by the invention can utilize the water spray sprayer to spray water spray to reduce the air inlet temperature outside the refrigerating chamber and improve the high-temperature refrigeration energy efficiency in the refrigeration mode; when the heating mode and the defrosting mode are used, the water spray sprayer and the heating module are started to spray high-temperature water flow to improve the air inlet temperature outside the heating chamber, inhibit the heating and defrosting speed and improve the defrosting efficiency; the air conditioner with the auxiliary device for cooling and defrosting is also provided, and the control method of the auxiliary device for cooling and defrosting using the auxiliary device for cooling and defrosting is also provided.