Wireless Revolution: The Rise of Inductive MRI Wireless Charging Technology

It was recently discovered that after the wave of wireless technology with the mobile Internet, it has become increasingly hot. It seems that everything can be connected to the mobile Internet. Earlier, Qualcomm announced that it was the official founding technical partner of the FIA. At that time, many people were shocked: Shenma! Qualcomm is not a company doing mobile technology! After the attention came to know, can be "mobile" is not just the SoC chip in the smart phone. There are also many wired things waiting to be revolutionized by the wireless. In 2007, Qualcomm began experimenting with wireless charging for consumer electronics devices. This idea gradually evolved, and now it is derived from a large and small, two kinds of induction-based magnetic resonance technology - QualcommHalo and QualcommWiPower.

QualcommHalo

The cooperation between Qualcomm and the FIA ​​is also originating from the wireless charging technology Halo. The FIA ​​Formula E-Cup Championship is about to start running cool in the first stop in Beijing, and Qualcomm Halo is providing the wireless charging technology for electric vehicles. Initially, QualcommHalo wireless charging technology will be used in race safety cars to enable them to wirelessly charge. From the second race, the car will be able to use an advanced wireless charging system.

Figure: F1 racing car with QualcommHalo wireless charging technology

QualcommHalo uses magnetic resonance technology to enable energy transfer between the ground charging board and the electric vehicle charging board. If you haven't seen the QualcommHalo demo, you won't miss anything. Because charging is as simple as this - just park your car on the charging pad and walk away. In this way, your car is already running in charging mode! QualcommHalo is much simpler, more convenient, more elegant, and more efficient than the plug-in charging and charging pile charging of electric vehicles.

It can be started in any parking place - home, company parking, shopping malls, and even on the road. Any ground on which Qualcomm's charging pad can be installed can be turned into a charging zone. WEVC can avoid the hassle of finding charging posts and connecting cables. Even more amazing is that Halo technology does not require the vehicle to touch the charging board, nor does it require the vehicle to be parked directly above the charging board. This feature, which does not require charging lines and precise alignment, is also suitable for the track environment. Because on the racetrack, it is just as important to maintain ample electrical energy and race against the clock in and out of the pit.

Figure: QualcommHalo wireless charging technology

Figure: Advantages of Qualcomm Halo Wireless Charging Technology

The concept of “electric car”, “purity” and “green energy” has been continuously deepened by major automobile manufacturers, and Halo’s prospects are excellent. But when it comes to practicality, Halo's efforts in optimizing convenience and stability are not enough. Following and promoting the development of the electric vehicle industry is the key to success. As a result, the wireless charging technology of Halo electric vehicles involves the automotive industry, charging equipment, and other issues. To achieve scale, industrialization is also not overnight.

QualcommWiPower

Therefore, to achieve large-scale commercial use of wireless charging, the core is the need for a simple and easy technology. Qualcomm believes that WiPower is the answer.

In common with Halo, Wipower also uses the principle of inductive magnetic resonance. The famous physicist Nikola Tesla started experimenting in the latter part of the 19th century. Today, the best application example of this technology is an electric toothbrush. In order to waterproof the manufacturer, the whole body of the toothbrush is completely wrapped in plastic and the wireless charging base is used to charge the electric toothbrush. And WiPower, which Qualcomm is developing, will bring wireless charging technology to a wider range of areas.

In January 2014, Qualcomm became one of the first companies to receive the Recharge of the Wireless Power Consortium (A4WP). The A4WP is currently the only wireless charging organization to provide certification for next-generation wireless charging products based on magnetic resonance wireless charging technology.

WiPower allows third parties to develop products compatible with the Wireless Charging Alliance (A4WP) wireless charging standard (passed in January 2013), supporting a charging board to charge multiple terminals at the same time. Even for different types of terminals, terminals with different charging levels can also be charged at the same time. For example, you can charge your tablet while charging your phone.

Home manufacturers are both happy and worried about wireless charging technology. Because most of the current wireless charging technologies on the market, there are demanding distance requirements between the charging board and the equipment. This means that consumers want to buy new custom furniture, or significantly change the design structure of existing furniture.

The WiPower technology can penetrate most home partitions (up to 45 mm thick) when charging. This provides a more compact and efficient wireless charging solution for home manufacturers - WiPower charging board can be directly installed in most of the existing furniture, without cutting the plate, without destroying the structure, just use a few screws to fix the table Just below.

Figure: The distance between the charging board and the equipment can reach 45cm. What is a small book?

WiPower technology can be used as an integrated or stand-alone solution. As an integrated solution, WiPower will be included in the Qualcomm Snapdragon 805,808 processor and QualcommVIVE?2-Stream802.11ac solution, while the Qualcomm family will have more members to integrate WiPower technology. As a stand-alone product, WiPower technology can be sold separately as an accessory product, including charging pads, charging pads, and smartphone back clips.

Today, Qualcomm has taken a key step by providing partners with next-generation wireless charging technology through the new "WiPower Evaluation Kit." The kit provides developers with the appropriate WiPower documentation and equipment so that they can evaluate the potential of the product and design an excellent WiPower product.

QualcommWiPowerLE is a WiPower low-power terminal version for wearable devices. At present, the first smart watch QualcommToqTM with WiPower wireless charging technology has been commercialized. Qualcomm is actively researching other wireless charging solutions in the field of wearable devices, which may include fitness tracking, cameras, and medical sensing.

Picture: QualcommToq with charger and optional wireless headset

Imagine: In the near future, the smart phone will be charged on the table of the cafe, and the Bluetooth headset will be charged on the armrest of the car, whether it is a tablet or a smart bracelet. The desk will automatically charge. With the elimination of all the troublesome plugs and cables, it will not come out of the door to see that the mobile phone has issued a low battery warning. Whether your car is parked or parked, it's always in a charged state, giving you confidence in your travels. You can also use the mobile phone APP to see your car's power reserve in real time and keep track of your personal vital signs data. Isn't this good?

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