PTC (Positive Temperature Coefficient) aluminum shell heater

The utility model relates to the technical field of PTC water heaters of roller washing machines, and discloses a PTC aluminum shell heater which comprises an aluminum shell and a PTC core body, the aluminum shell is integrally formed in a die-casting mode and comprises a heating assembly installation body, a heat conduction assembly plate and an aluminum pipe, and the heating assembly installation body is located at the middle end of the end face of one side of the heat conduction assembly plate. A heating assembly mounting groove is formed in the connecting end of the heating assembly mounting body and the heat conduction assembly plate. According to the PTC aluminum shell heater, the heating assembly installation body, the heat conduction assembly plate and the aluminum pipe are all made of aluminum materials, heat conduction efficiency is high, the heating assembly installation body, the heat conduction assembly plate and the aluminum pipe can rapidly exchange heat with liquid and heat the liquid, the alu