Excess temperature detection method and fluid control equipment in tubing soldering
A technology of control equipment and detection methods, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of labor and time required for temperature detection, heat transfer to the inside of the main body, and inability to detect heat transfer, etc.
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[0025] Embodiments of the present invention will be described below with reference to the drawings. The embodiment is an example in which the fluid control device is an electric valve, and the electric valve is brazed to piping of a refrigeration cycle system (fluid cycle system). figure 1 It shows the state that the brazing work has been performed satisfactorily on the electric valve according to the embodiment of the present invention ( figure 1 (A)), and the state that the brazing operation has not been performed well ( figure 1 (B)). figure 2 is a perspective view of the electric valve of the embodiment, figure 2 (A) shows the state before the indicator 3 is installed, figure 2 (B) shows the state after the indicator 3 is attached. image 3 It is a figure which shows the detailed structure of the main part of the indicator 3 of embodiment, image 3 (A) is a side view of the installed state of the indicator 3, image 3 (B) is a side view of indicator 3, image 3 (...
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