Wireless charging in electric vehicles
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How does wireless charging apply to electric vehicles? Below, we will finally propose a specific application method of wireless charging on electric vehicles through simple research and analysis of charging location, charging method and rechargeable battery.
First of all, the choice of charging location. The wireless charging technology is related to the distance and state of the charger and the device to be charged, that is, the distance between the two cannot be too large, and there is no relative motion between the two, otherwise the power cannot be stably and effectively transmitted. Therefore, the charging position can only be the location where the car stays, that is, the garage, the parking lot, the intersection, etc., and the charging device of the bus can also be set on the bus website. Of course, a charging station can be specially set up next to the conditions or on the highway to facilitate the charging of the vehicle.
Second, the choice of charging method. It can be seen from the three charging methods that the distance required for electromagnetic induction charging is too small, the efficiency of charging radio waves is too low, and the distance and efficiency of electromagnetic resonance charging can meet the needs of battery vehicles.
Finally, the choice of rechargeable batteries. Electric vehicles are charged at any time in the city, so batteries that are non-polluting and have no memory effect must be selected for charging.
After comparison, we have a clearer idea of ​​wireless charging in the application of electric vehicles: on the one hand, in the construction of roads and construction projects, the power supply unit in advance according to the plan map at the intersection, public parking lot parking units, units Or the parking space of the community and the wireless charging charger under the garage, and the charger is connected to the grid or Solar Panel; on the other hand, the car manufacturer should install a wireless charging receiver on the bottom of the car, and The battery and other equipment are connected; in addition, the relevant national departments should unify the frequency of transmitting and receiving signals to make them universal.
Problems that should be paid attention to in the development of wireless charging technology
1. The state should introduce corresponding policies to encourage, support and regulate the development of wireless charging vehicles and the construction of charging facilities. The development of an industry or enterprise, especially the industry or enterprise of the country and the people, cannot be separated from the state's support. Wireless charging is a field that has just started. Its effective development can largely solve a bottleneck in the development of electric vehicles. However, due to the huge investment in its research and development, this requires more encouragement and support from the state to speed up its research and development process. So that it can be applied as soon as possible.
2. Regardless of the method of charging and the type of battery used, the national and local authorities must conduct research on their frequency, safety, environmental protection and energy conservation to avoid waste, avoid adverse effects on human health, and avoid The environment creates new pollution, and at the same time, it must be promoted in place to avoid people's fear of electromagnetics.
3. In practice, since the launcher is placed underground, care should be taken to protect it.
4. In areas with more rain, in addition to waterproofing underground facilities, the waterproof treatment of the receiving end of the vehicle is also a problem to be considered.
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