发布时间：2025-07-09
Although the actual implementation of wireless charging technology for cars is not yet available, various automotive companies and other organizations are currently conducting research on this technology. Do you know what types of wireless charging technologies exist for cars?
1. Static Wireless Charging
Static wireless charging technology charges the car when it is stationary. Due to its characteristics, it is typically suitable for parking lots in shopping malls or residential areas.
Radiative radio energy transmission technology transmits energy through far-field transmission, mainly including radio wave and laser methods. It is suitable for long-distance wireless power transmission. Due to its low efficiency and small power characteristics, it has not yet matured.
2. Dynamic Wireless Charging Technology
Dynamic wireless charging technology for electric vehicles mainly transmits electrical energy to the vehicle's receiving end power pickup mechanism within a certain range on the ground through underground power supply rails buried beneath the ground, in the form of high-frequency alternating magnetic fields.
This then supplies power to the on-board energy storage device, allowing the electric vehicle to carry a small battery pack and extend its range. At the same time, the power supply becomes safer and more convenient.
3. Magnetic Resonance
Magnetic resonance charging technology achieves energy transfer through the principle of energy resonance coupling. Based on the structure of the electric vehicle system using magnetic resonance, the alternating current delivered from the power supply end goes through processes such as rectification, filtering, and high-frequency inverter circuit, and is converted into high-frequency alternating current to achieve the optimal energy transmission conditions for the circuit.
4. Charging During Driving
The wireless charging sending device needs to be laid on fixed sections of road. During the driving of the electric vehicle on this section, it can receive power through the sending device of the charging system. This allows for rapid charging within a short period of time, enabling the car to replenish energy while in motion, demonstrating the dynamic system function of charging at any time.