Novel air source heat pump

The utility model discloses a novel air source heat pump belongs to heat pump set technical field. It includes condenser, compressor, fin evaporator, the primary throttle valve of connecting in orderon the management way, and fin evaporator's below still is equipped with the water collector. Fin evaporator includes the whole piece that evaporates of a plurality of groups, wholly evaporates end plate, fin, heat exchange copper pipe, the takeover of U type, the takeover of m type, discharge and the branch liquid pipe that the piece includes both sides, and on heat exchange copper pipe wore to locate the end plate of both sides, the fin rose and connects on heat exchange copper pipe, takes over through takeover of U type or m type between the adjacent heat exchange copper pipe and connects into the tube bank of a plurality of copper pipe, and the access connection that the copper pipe was restrained there is branch liquid pipe, and the exit linkage of copper pipe tube bank has the discharge. The heat exchange co