Connection of temperature control thermocouple of diffusion furnace tube and PCB (printed circuit board)

The utility model provides a diffusion furnace pipe temperature control thermocouple connection PCB circuit board comprising a PCB board body, and the PCB board body is provided with an external wire crimping terminal and a plurality of thermocouple crimping terminals; the plurality of external wire pressing terminals are connected with the plurality of thermocouple pressing terminals in a one-to-one correspondence manner, and the external wire pressing terminals are connected with the thermocouple pressing terminals through connecting wires; the external wire pressing terminal is used for connecting an external wire, and the thermocouple pressing terminal is used for connecting a thermocouple wire. According to the utility model, rapid replacement of the diffusion furnace tube temperature control thermocouple is realized. 本实用新型提供了一种扩散炉管控温热电偶连接PCB电路板，包括PCB板本体，所述PCB板本体上设置有外部导线压线端子和多个热电偶压线端子；多个所述外部导线压线端子与多个所述热电偶压线端子一一对应连接，所述外部导线压线端子与所述热电偶压线端子通过连接导线相连接；所述外部导线压线端子用于连接外部导线，所述热电偶压线端子用于连接热电偶导线。本实用新型实现扩散炉管温控热电偶的快速更换。