Humidifier

The invention relates to a humidifier, which is used for humidifying gas of a fuel cell and comprises a container, an upper cover plate, a heating component, a water inlet, a gas inlet and a gas outlet, and is characterized in that a guide plate is arranged in the container, an S-shaped channel is formed through the guide plate, a porous structure body is placed in the S-shaped channel, a gas flow path is arranged in the porous structure body, and a water inlet is formed in each of the two ends of the S-shaped channel; and the heating component is attached to the outer part of the container or the outer part of the upper cover plate. The humidifier has the advantages of miniaturization and rapid heating. 本发明涉及一种加湿器，用于燃料电池气体加湿，包括容器、上盖板、加热部件，进水口、进气口和出气口，其特征在于，在容器内设置有导流板，通过导流板形成S型通道，在S型通道内放置有多孔结构体，所述的多孔结构体内部设置有气体流路，S型通道的两端各设置一个进水口；所述的加热部件贴附在容器外部或上盖板的外部。本发明具有小型化，快速加热的优点。