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发明公开
CN107971600A 一种气相回流焊接的冷却系统阀 无效 - 撤回

一种气相回流焊接的冷却系统阀
摘要：
本发明公开了一种气相回流焊接的冷却系统阀，包括排风管、冷却装置、控制器、温度传感器，所述冷却装置设置在排风管的内侧，所述温度传感器设置在排风管的管口，所述控制器设置在排风管外侧，所述温度传感器和压力传感器均连接控制器，所述冷却装置上还包括电动阀门开关，所述电动阀门开关的输入端电连接控制器的输出端，本发明通过温度传感器对气相回流焊接排风口的排出气体进行温度检测，并将数据传输给控住器，当温度过高时，控制器控制冷却装置的电动阀门关闭，中断焊接，解决现有技术在焊接PCB电路板时由于对温度检测和控制，导致PCB电路板损坏，浪费工业材料的问题。
摘要（英）：

The invention discloses a gas-phase backflow welding cooling system valve. The gas-phase backflow welding cooling system valve comprises an exhaust pipe, a cooling device, a controller and a temperature sensor. The cooling device is arranged on the inner side of the exhaust pipe. The temperature sensor is arranged at a pipe opening of the exhaust pipe. The controller is arranged on the outer sideof the exhaust pipe. The temperature sensor and a pressure sensor are both connected with the controller. The cooling device further comprises an electric valve switch, and the input end of the electric valve switch is electrically connected with the output end of the controller. The temperature sensor is used for detecting the temperature of gas exhausted by a gas-phase backflow welding exhaust outlet, data are transmitted to the controller, and when the temperature is too high, the controller controls closing of an electric valve of the cooling device, and welding is interrupted. The problems that when a PCB is welded in the prior art, due to temperature detection and control, the PCB is damaged, and industrial materials are wasted are solved.

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