Laser marking tool with adaptive heat control function

The invention discloses a laser marking tool. The tool comprises at least one laser diode used for emitting laser beams, a microprocessor unit at least used for controlling operation of the at least one laser diode as well as a temperature sensor used for detecting the inside temperature of the laser marking tool, wherein the microprocessor unit is constructed to reduce the working efficiency of the at least one laser diode when the detected inside temperature reaches the temperature threshold value. 公开了种激光标线工具，包括：至少个激光二极管，用于发射出激光束；微处理器单元，用于至少控制激光二极管的操作；以及温度传感器，用于检测激光标线工具的内部温度；其中，所述微处理器单元被构造成在所检测到的内部温度达到温度阈值时降低激光二极管的工作功率。