The utility model discloses a high -
power group string formula PTC heater, including PTC heating sheet, corrugated
aluminium strip,
aluminium connecting sheet, mounting seat and connecting frame, the outside of
aluminium connecting sheet still is provided with reinforcing plate, be provided with upper buckle groove and lower buckle groove on the mounting seat, upper buckle groove and lower buckle groove are opposite and are located to form the
insertion interface of one -end opening, the connecting frame is used for with external zero parts connection cooperation, the right side of connecting frame sets up and sets up upper buckle department and lower buckle department respectively, the connecting frame is along the
insertion interface and is clamped on the mounting seat, make upper buckle department with upper buckle groove
interlocking, lower buckle department and lower buckle groove
interlock, like this, through the reinforcing plate of aluminium connecting sheet outside and make the aluminium connecting sheet outside, make the overall structural strength of reinforcing heating module, improved the stability of heater under the complex working condition such as vibration,
impact and heater can along
insertion interface quick clamping on the mounting seat, and the installation process is simple and convenient.