Control switch button for railway passenger car door
A technology for controlling switches and bus doors, applied in the direction of electric switches, circuits, electrical components, etc., can solve the problems of difficult procurement of accessories, high prices, and long production cycles, so as to reduce procurement costs, reduce component tolerances, and reduce technology dependence. Effect
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[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0013] Such as figure 1 As shown, it includes a surface plastic sheet 1 and an internal printed circuit board (PCB). The inner surface of the surface plastic sheet is adjacent to a printed circuit board, and the inner surface of the surface plastic sheet is fixed with a conductor 2 capable of connecting to the printed circuit board.
[0014] The red LED lights and the green LED lights are arranged at intervals inside the button housing, and the red LED lights and the green LED lights are embedded on the PCB board.
[0015] Such as figure 2 As shown, an annular plastic shell 3 is installed on the lower surface of the surface plastic sheet, and the conduit is connected with the annul...
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