FTTH Conference 2011 Workshop Snake Eye FTTH Robot Flavio Piras PLUMETT

Snake EyeSnake Eye-- FTTH Robot FTTH Robot --

Flavio PirasArea Sales Manager

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Customer requestCustomer request

Swisscom FTTH network expansionLess T- and X- junctions openings

- less civil works = less noise, less pollution, cost reduction

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Customer requestCustomer request

• Target

• Cut 50 % civil engineering costs• Circa 10’000.- CHF per excavation

• Specifications• 50% remaining space

in the Zorès

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Network configurationNetwork configuration

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OverviewOverview• Two Snakes 11-150 with pusher• Eye Meeting head in red• Mono-segment Eye in green

EyesEyes

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• Steering head:

• Meeting head:

Camera & LED ring

Inclination mechanism

(25°)

Connecting plug Rotation mechanism

« fishing » hook

OD ø22mm

OD ø25mm

Connecting plug

Rotation mechanism

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ConceptConcept

Steering head helps to avoid obstructions:

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ChallengesChallenges

• Cables in the Zorès• Deviation of snake

• Obstruction• Obstacles between

the two coupling heads

• Remaining space

• Network configuration• Height difference between snakes

• Required pushing force

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3D simulation3D simulation

Electrical & mechanical coupling

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MonoMono --segment Eyesegment Eye

Rotation reducing gear & DC motor

PUR layerElectronics (PCB)

Camera & LED ring

Tilt reducing gear & DC motor

Tilt motion screw FibersnakeSprocket gear

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Inclination mechanismInclination mechanism

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VisionVision6 LEDs on PCB

Molded resin cover

Sapphire glass

Power supply & image processing module

• Colour• Image resolution: PAL 352x288 pixels• 80°view angle• Adjustable focus• Clean & distinct image from 10 to 250mm

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Meeting headMeeting head

4-stages reducing gear i:256 nout=45 rpm

DC motor n=11’600 rpm

Rotating coupling head

PCB connector interface

FibersnakeMechanical coupling

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MultiMulti --segment Eyesegment Eye• Allows to go through a T-junction in both

directions(from house or from building)• Meeting not possible

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MultiMulti --segment Eyesegment Eye

RotationOD 22.5mm length 215mm

Multi-segment steering headOD 20mm length 460 mm

RodOD 9mm length 800mm

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Radio detectionRadio detection

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Snake with pusherSnake with pusher

• 150m dia 11mm fibersnake with 6 copper wires• Connection interface for steering or meeting head• Electric Minijet• Maximum speed 18m/min• Jaws for entry guide (PE Tube 40/32)• Separate 24V batteries box• Speed and distance measurement system

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In positionIn position

Straight Face to the wall

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In positionIn position

The guiding pipe has to be fastened with the Minijet and well inside the Zorès :

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User interfaceUser interface

• Remote control with camera monitoring for steering head

• Shock proof & waterproof case• Automatic shut off• Autopilot for vertical orientation (gravity correction)

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User interfaceUser interface

Remote control for pusher and meeting head

• Fine push / pull speed adjustment• Fine rotation speed adjustment (meeting head)• VL10 distance and speed display

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CH configurationCH configuration

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In the fieldIn the field

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In the fieldIn the field

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ConclusionsConclusions

� 40…50% fewer holes on streets and pavements

� Construction works represents 50…80% of FTTH Rollout costs

� Less construction works means buildings are connected more quickly

� Optical fibers can be effectively laid in existing pipe networks

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WelcomeWelcome

I look forward to meet you at our booth n°S04

Snake-Eye MovieSnake-Eye Demo

Plumett Jetting Machines

Enjoy FTTH Europe Milano