Induction heating coil

The utility model discloses an induction heating coil which is composed of five sections, the five sections are consistent in inner diameter, are concentrically arranged and are fixed on a power supply output row, the first section, the third section and the fifth section are wound according to a first direction, the second section and the fourth section are wound according to a second direction, the first direction is opposite to the second direction, the first section, the second section, the third section and the fourth section are provided with a first number of turns and a first turn interval, and the second section is provided with a second turn interval. The fifth segment has a second number of turns and a turn pitch, which are greater than the first number of turns and the turn pitch. The heating coil can be matched with an induction heating power supply, and is high in integrating degree, high in working efficiency and low in failure rate. 本实用新型公开了一种感应加热线圈，该加热线圈由5段组成，5段线圈内径一致，同心设置，固定于电源输出排上，所述第1、3、5段