Optical switch

Abstract

The present invention discloses one kind of optical switch for fiber transmission. On the output platform of traditional optical switch, spaced slender slots are made, and the receiver device rack connected to the output fiber is welded to the adjacent comb teeth between slender slots. The said structure can avoid the effect of welding heat to adhacent receiver elements and ensure the position precision of the receiver. The output platform of the optical switch may have additional attached layer to raise the mechanical strength and the welding effect. The present invention adopts spot welding or laser welding, rather than adhesion with glue, to ensure the position precision, and is ideal commercial optical switch of new generation.

Description

(1) Technical field: [0001] The invention relates to a switch, in particular to an optical switch for optical fiber transmission. (two) background technology: [0002] The optical switch output platform and the optical switch input platform are installed in parallel on the bottom plate of the traditional optical switch, the receiving device and the output fiber are connected to the receiving device bracket, and the receiver bracket is installed on the entire optical switch output platform in a side-by-side arrangement. The optical fiber and the transmitting device are installed on the optical switch input platform through the transmitter bracket. By controlling the movement or rotation of the transmitter bracket, the transmitter is aligned with a receiver at a time to realize the coupling and conduction of the optical fiber. Since the optical fiber is very small, the alignment accuracy of the transmitter and receiver is required to be very high, that is to say, the positioni...

AI Technical Summary

Problems solved by technology

This kind of optical switch bonded with glue is greatly affected by natural environmental conditions. When used in an occasion where the temperature difference changes greatly, the position of the receiver bracket will have a small displacement change due to thermal expansion and contraction. It is enough to affect the precise alignment of the transmitting device and the receiving device, and due to the harsh environmental conditions and long-term use, the glue is easy to age and lose its bonding effect, causing the receiver bracket to fall off. These conditions will affect the normal operation. photoelectric transmission can lead to serious consequences

People have tried spot welding or laser welding to directly weld the receiver bracket on the optical switch output platform made of metal. Because the arrangement of the receiver bracket is very close, when welding a certain receiver bracket, due to the heat transfer effect of the metal The resulting instantaneous high temperature diffusion and the increase in heat conduction temperature cause thermal expansion and deformation of the optical switch output platform, which affects the precise positioning of its adjacent welded receiver bracket, resulting in inaccurate reception and conduction, affecting the coupling effect

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