BMW's Wireless Charging Technology Breaks Through, BMW 5 Series Plug-In Hybrid Version Enables Wireless Production

Today, BMW i announced a custom factory integrated inductive charging device for plug-in hybrids, that is, wireless charging.

BMW said that this technology will be put into production in July this year. It means that BMW 5 Series plug-in hybrid models will carry this technology and will be launched in Germany, the United Kingdom, the United States, Japan and China.

Electromagnetic fields provide non-contact power transmission

According to reports, BMW's wireless charging technology charges the car's high-voltage battery via AC power without any cables, as long as the car is parked directly above the charging base. It can be installed in a garage, parked in place, and the charging process begins (without further instructions from the driver). The introduction of this technology has enabled the BMW Group to further advance in the field of equipment. In the future, the charging process of electric vehicles will be more convenient than the transmission of internal combustion engine models.

The BMW Wireless Charging Kit includes an inductive charging base (charging base) that can be installed in a garage or outdoor parking space, and a vehicle component (vehicle-mounted induction coil) fixed to the bottom of the vehicle. The non-contact energy transmission between the charging substrate and the induction coil can be performed within a distance of about 8 cm. The principle is that the charging substrate generates a magnetic field and the on-vehicle induction coil induces current to charge the high voltage battery.

The system provides 3.2 kilowatts of charging power. It takes only three and a half hours to fully charge the power battery in the BMW 5 Series plug-in hybrid.

Inductive Charging: Greatly Increases Convenience

BMW wireless charging uses inductive charging technology that has been widely used in mobile phones, electric toothbrushes and other devices. Its main advantage is its unparalleled ease of use - drivers no longer need to use cables to connect vehicles. On the contrary, as long as the car is parked in place, the charging process can begin after the start/stop button is pressed. When the battery is fully charged, the system will automatically shut down.

BMW said BMW's wireless charging system also helps drivers find the right parking location. The communication between the charging station and the vehicle is connected wirelessly; a top view of the vehicle and its surroundings appears on the control display and is marked with colored lines to guide the driver during parking. The system will prompt when it reaches the correct parking position of the inductive charging station. At present, the parking position can deviate by up to 7 cm in the longitudinal direction and up to 14 cm in the lateral direction.

The charging substrate can also be installed outdoors and used under any weather conditions. All conductive components have rain and snow protection functions, and the car will not cause any damage to the car as it passes over the charging substrate. In the charging process, the environmental electromagnetic radiation range is also limited to the car chassis. Charging the substrate is to monitor the surrounding environment at any time, once any foreign object is found, the charging process will be closed.

For this technology, the BMW Group is undoubtedly very proud. It stated that in 2015 BMW Group won the “Momentum for Change” environmental award issued by the United Nations. At the same time, as one of the founders of the IONITY joint venture, BMW Group is currently working with other automakers to establish a fast charging network covering all of Europe and provide electric vehicles with up to 350 kilowatts of charging services. By 2020, the company expects to provide 400 electric vehicle charging stations. In addition, the instant charging service launched by BMW i has provided more than 130,000 charging posts in 32 countries and established the world's largest charging network.

BMW promotes electric mobility and its intensity has increased significantly

BMW's electrification strategy is called the "first strategy". This year, it can be clearly seen that BMW's efforts in the field of electric mobility have increased. BMW said that it will pay 100,000 electric vehicles in 2017 and plans to deliver 140,000 vehicles in 2018. By 2025, BMW Group will provide customers with 25 models of electric vehicles, of which 12 models are powered by pure electric.

At the end of this year, BMW will build more than 80,000 instant charging piles in China, covering more than 100 cities. This is a grand plan that is comparable to Tesla's charging piles.

Currently in China, the BMW New Energy Family covers the BMW i3, BMW i8, the new BMW 5 Series plug-in hybrid, the BMW X1 plug-in hybrid, the BMW X5 plug-in hybrid, and the BMW 7 Series plug-in hybrid Six cars, including power, cover a wide range of products from compact cars to large luxury cars. From SUVs to supercars and other market segments, BMW calls itself the most abundant product line in China's luxury new energy vehicle market.