US Patent 12115291 Electric heating fragrance diffuser

An electric heating fragrance diffuser includes a hollow body and a fragrance diffusing device. A power source and an electric wire are arranged in the body. The fragrance diffusing device includes a fragrance holder, a fragrance box, and an electric heating plate. The fragrance holder is disposed in the body and provided with a first hole communicating with upper and lower edges of the fragrance holder in a vertical direction. The upper edge of the fragrance holder is recessed with a fragrance groove surrounding the first hole. The fragrance box is detachably arranged in the fragrance groove. The electric heating plate is connected to the lower edge of the fragrance holder and provided with a second hole aligned with the first hole.