Working method of switching optical path interface mechanism for optical fiber channel of relay protection device
A technology of relay protection device and optical fiber interface, which is applied in the direction of optical fiber transmission, electrical components, coupling of optical waveguides, etc. Attenuation increase and other problems, to achieve the effect of improving the level of on-site protection verification and maintenance, solving the problem of poor contact, and shortening the switching time
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[0019] As shown in Figures 1 to 3, the switching optical path interface mechanism for the fiber channel test of the relay protection device of this embodiment includes a hood 1 and a control module 6 installed in the hood 1, a driving module 7 and an optical path switching module 9 , the control module 6 of the present invention is a complex programmable logic device, the complex programmable logic device is manufactured by Altera Corporation, through the control module 6 to provide the switching signal input by the corresponding conduction optical path switching module 9, the power supply terminal of the control module 6 Be connected with control power supply 5, and this control power supply 5 adopts DC24V, and its power consumption is as little as possible, and the input end of control module 6 is connected with the button switching switch 3 of running state and test state on the panel of installing hood 1, and this button switches The switch 3 is pressed again and again to s...
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