SEAT Ateca SUV has 2.2 km of wire, 100 sensors and management items

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Automobiles have been evolving with more and more advanced circuitry. SEAT’s Ateca crossover (SEAT is a Volkswagen Group firm, the Ateca relies on the MQB platform and is said to Volkswagen’s Tiguan) incorporates a advanced association of wires greater than 2.2 km lengthy.


The wires, starting from one millimeter to 1 centimeter in thickness, are behind the automobile’s lighting, sound system or driving assistants such because the blind spot detector. As much as 100 sensors and management items work together with one another each time a car perform is activated.

Fashions such because the SEAT Ateca include greater than 1,350 wires which, when specified by a straight line, would stretch greater than 2,200 meters in size, just like an airport runway. The wires department off into greater than 30 circuits that “make sure the operation of practically each automobile perform and switch energy from location to a different, identical to blood flowing by means of an organism”, says Pedro Manonelles, an engineer on the SEAT Technical Centre.


A lot of the wiring is concentrated within the space of the entrance instrument panel, the place greater than 200 wires kind strands of greater than four centimeters in thickness.

All of the wiring on a automobile such because the SEAT Ateca weighs barely greater than 40 kg.

Copper is essentially the most extensively used metallic for electrical conduction, however its excessive density, which is bigger than that of iron, makes us optimise its use to be able to obtain the largest attainable weight discount.

—Pedro Manonelles

It takes a group of 20 engineers three years to outline the routing of the wires, the ability distribution and the information transmission amongst management items and sensors.

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Assistants such because the blind spot detector are an instance of how the automobile’s digital system works. When the driving force prompts the left turning indicator, a sign travels from the primary management unit to the rear mounted radars in a fraction of a second. If there’s a automobile within the blind spot that the driving force can not see, the radars will detect it and activate and ship a warning mild to the door mirror. Because of this alert, the driving force is aware of whether or not it’s protected to vary lanes.

In a few of at the moment’s SEAT fashions there are greater than 12,000 distinctive wiring mixtures; this determine may enhance sooner or later.


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