Talking about the main advantages of wireless power system in automotive applications

 

With the application of embedded modems, telematics equipment and wireless connections, more and more cars are beginning to have wireless networking capabilities. However, at present, in-vehicle facilities such as sensors, cameras, and computing control units are still connected through complicated cable wiring. The use of wireless power systems can greatly simplify the use of cables, optimize car design, and make more in-vehicle functions possible.

Fewer car cables

In-vehicle information processing equipment, sensors, and other types of in-vehicle instrumentation usually require two power cables and two data cables each.

The use of the wireless power system will greatly reduce the cables required for the connection of equipment in the car. Only one cable that has both data and power functions and penetrates the body can connect all on-board equipment. The wireless transmission of electric energy mainly relies on resonant electromagnetic induction, which can transmit electric power and data information with a frequency between 50mW and 1 kilowatt.

GM recently announced that it will provide wireless charging devices in its models to charge mobile devices in the car.

In addition to simplifying the use of cables, wireless power systems will also bring other improvements, such as reducing material production and assembly costs, and making more flexible and effective car design possible.

More flexible design

The single car cable system brought by wireless power supply will enable automakers to enjoy greater flexibility in designing car body electrical facilities and body structure, and will make more on-board functions possible.

For example, with the support of this system, the door can be free of the obligation to support complicated cables, and the rear seat display screen does not have to be connected to the on-board operating interface, and the movable positions such as the front seat or headrest can also be moved more flexibly. In addition, in the case of trailer service, a car equipped with a wireless power supply does not have to rely on a cable with a signal plug to connect to the trailer.

Possible challenges

There are some unavoidable challenges in applying car wireless power. For example, it is necessary for car manufacturers to modify some components and equipment of the car to make it suitable for wireless power system, and this process may take several years.

Before the wireless power supply is fully promoted, automobile manufacturers may first try independent subsystems such as parking assist systems that are more suitable for wireless power connections.

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