Wireless charging method and charging device for electric automobile by making use of traffic red light

Abstract

The invention discloses a wireless charging method for an electric automobile by making use of a traffic red light. The wireless charging method comprises the following steps: a receiving induction coil is arranged at the bottom of the electric automobile; after the receiving induction coil is connected with a bridge-type rectifier, the receiving induction coil is connected in series with a storage battery and a magnetic card metering switch; a plurality of wireless emission coils are arranged in the right lane of an urban traffic intersection; the wireless emission coils are connected with the input end of a mains supply after being connected in series with a relay, and then the traffic red light is connected in parallel to the relay; when the traffic red light is on, the relay is switched on, and a wireless emitter works to enable the wireless emission coils to form an electromagnetic induction region; when the electric automobile stops in the electromagnetic induction region by the traffic red light, a wireless receiver rectifies a received current signal and inputs the received current signal into the storage battery so as to charge the electric automobile; furthermore, the charging amount is charged by a magnetic card for payment. According to the wireless charging method, the electric automobile is indirectly charged by making full use of the time of waiting for the red light, so that the charging is facilitated; meanwhile, the charging time can be greatly shortened, the working efficiency can be improved, and the charging and driving cost is reduced.

Description

technical field [0001] The invention relates to a car charging device, in particular to a wireless charging device and a charging method for an electric car. Background technique [0002] Automobile is a fast means of transportation. With the continuous development of economy, domestic automobiles, buses and taxis increase rapidly in cities and towns, which brings traffic congestion and environmental pollution to cities. In order to ensure smooth traffic, most of the crossroads and T-junctions in cities and towns are equipped with traffic control signal lights; in order to reduce the environmental pollution of the city, the country vigorously develops electric vehicles and adopts corresponding policies to encourage people to use electric vehicles. Therefore, in the past two years, The use of electric vehicles, including electric family cars, electric buses and electric taxis, has increased significantly, which not only brings convenience to people's travel, but also is condu...

AI Technical Summary

Problems solved by technology

However, electric vehicles need to be charged, and there are currently the following problems in car charging: First, for electric family vehicles, although the driving time is not much, they must be charged frequently. For residents living in bungalows or low-rise buildings, charging is relatively convenient. However, it is very inconvenient and even troublesome to charge the residents living in high-rise buildings. Second, for electric buses, the bus company must set up charging points at appropriate locations. Management and maintenance will increase the cost of public transport; thirdly, for electric taxis running day and night, it needs to take a long time every day to charge at a suitable place to ensure normal driving, and the charging time should be 40 minutes or even more than 1 hour, which means It will reduce the driving time of electric taxis and reduce rental income

Therefore, most of the current charging of electric vehicles must go to a suitable charging location and can be charged only when they are not driving, which will not only bring inconvenience to people, but also increase charging costs and reduce income.

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