Heat-resistant capacitor

The utility model discloses a heat-resistant capacitor, which relates to the technical field of capacitor equipment and comprises a capacitor core, a positive electrode and a negative electrode are arranged on the capacitor core, a sliding rod and a sliding block are arranged at the top of the capacitor core through a top cover, cleaning blocks are arranged on the positive electrode and the negative electrode in a sliding manner, and a reset spring is arranged at the bottom of the sliding block. A heat dissipation plate and a heat dissipation sleeve are arranged on the outer wall of the capacitor core through an aluminum cylinder, a damper spring, a damper and a bottom shell are arranged at the bottom of the capacitor core through a fixing plate, and a mounting plate is further arranged on the bottom shell. Under the action of the cleaning block, sundries attached to the positive electrode and the negative electrode can be cleaned, meanwhile, the working efficiency of the capacitor is guaranteed by being used