Protection control device of electric heating furnace

The utility model provides a protection control device of an electric heating furnace. The device comprises a heating body and a heating control part, the control heating part comprises a control switch piece for controlling the heating body to be powered on or powered off and a control core plate block; the control switch piece is provided with at least two triodes, the at least two triodes are connected between the control switch piece and the control core plate block in series, the structure is simple, the protection effect is good, the operation stability and reliability are improved, potential safety hazards are reduced, and the use quality of products is guaranteed. 本实用新型提供一种电加热炉的保护控制装置，包括发热体、控制加热部件，控制加热部件包括控制发热体通电或断电用的控制开关件与控制芯板块，控制开关件设有至少两个三极管，至少两个三极管的串联连接在控制开关件与控制芯板块的连接之间，结构简单，保护效果好，提高运行稳定性与可靠性，减少安全隐患，保证产品的使用质量。