Electric heater for electric heating painting and calligraphy mounting machine

The utility model provides an electric heater for an electric heating painting and calligraphy mounting machine. An electrothermal load is connected with an operation indicator in parallel, and then, and the electrothermal load is connected with a temperature controller in series. The temperature controller has reciprocating on-off within the preset temperature range to cause the load to keep constant temperature. The utility model has high mounting efficiency, a single painting mounted by human hands needs about one week, but the utility model can finish the mounting for two hours. The mounting cost is reduced, the utility model is favorable for the popularization of mounting works, and the utility model satisfies the requirements of wide people for mounting art. The mounting works which has no deformation is soft and smooth.