IOT based Wireless Charging Station for Electric Vehicles

Description

#IoT #ElectricVehicles #WirelessCharging #SmartCharging #EVChargingStation #ArduinoProject #IoTProject #RenewableEnergy #GreenTech #CleanEnergy #SmartMobility #TechInnovation #SustainableTransport #WirelessPowerTransfer

Introduction

The statement of sudden global shift to electric vehicles (EVs) has increased the significance of efficient, scalable, and intelligent charging infrastructure. Traditional plug-in charging technologies, while efficient, have drawbacks such as physical wear, user inconvenience, and infrastructure limitations. To address these drawbacks, wireless power transfer (WPT) has emerged as a likely candidate. WPT enables contactless transfer of energy to EVs without the need for manual cable plugging. When coupled with the Internet of Things (IoT), this technology can further extend to create a smart, real-time monitoring and control system.

An IoT-Based Wireless Charging Station combines sophisticated sensing, data communication, and automation technology to provide a smart and convenient charging experience. Through embedded controllers, RFID, cloud connectivity, and intelligent sensors, the system can automatically read a vehicle, charge it, track energy usage, and report performance to a central monitoring dashboard. This greatly enhances energy efficiency, operational safety, and user experience.

In this project, the Arduino controls the system based on inputs from an IR sensor. When the IR sensor detects an Obstacle (Vehicle here), it triggers a relay, completing the circuit between a pulse generator and a transmitting coil. This coil generates a magnetic field, which is picked up by a receiving coil aligned with it. The induced current in the receiving coil passes through a 7805 circuit and displayed on a voltmeter. An LCD shows the charging station’s status, and a billing system starts when the station is active. This setup can be used for wireless EV charging and total bill can be seen on IOT thingspeak platform.

Objectives

1. To design and implement a system that transfers power wirelessly from a transmitting coil to a receiving coil, using electromagnetic induction principles.
2. To use an IR sensor and LCD display to indicate the status of the charging station (ON or OFF) in real-time.
3. To integrate a billing mechanism that tracks and increments the cost when the charging station is active, providing a seamless payment process.
4. To develop a wireless charging solution suitable for electric vehicle (EV) charging stations, enhancing efficiency in electric vehicle charging processes.

Block Diagram

Block Diagram of  IOT based Wireless Charging Station for Electric Vehicles

Hardware Components

1. Arduino UNO – Microcontroller unit for controlling the entire system.

2. 7805 Voltage Regulator – Regulates voltage to 5V for Arduino and other modules.

3. 12V Rechargeable Battery – Primary power source for pulse generation and circuit operation.

4. Solar Panel (12V) – Recharges the battery using solar energy.

5. Pulse Generator Module CD4047– Generates high-frequency pulses for wireless power transmission.

6. Copper Wire Coil (Transmitter – 125 Turns) – Generates electromagnetic field for wireless power transfer.

7. Copper Wire Coil (Receiver – 45 Turns) – Receives induced current from transmitter coil.

8. Relay Module – Acts as a switch to control pulse delivery based on sensor input.

9. IR Sensor – Detects presence (e.g., vehicle over charging pad) and activates the relay.

10. 16×2 LCD Display – Displays charging status (ON/OFF) and basic information.

11. Voltmeter – Measures and displays output voltage at the receiver end.

12. Resistors, Capacitors, and Diodes – For supporting and stabilizing the electronic circuit.

13. Connecting Wires & Breadboard/PCB – For circuit connections and prototyping.

14. Chassis or Base Platform – For mounting all components in an organised structure.

15. WIFI Module ESP 8266

Working

The system begins with the activation of a battery, which powers the circuit. A 7805 voltage regulator steps down the voltage to 5V to power the Arduino and associated components. The Arduino then initiates its programmed sequence. A pulse generator, powered by a 12V battery recharged via a solar panel, produces pulses that are fed into a copper transmitting coil with 125 turns. This coil is connected through a relay controlled by an IR sensor.When the IR sensor detects light (vehicle presence), it triggers the relay, completing the circuit between the pulse generator and the transmitting coil. As a result, pulses flow through the coil, generating a magnetic field via Faraday’s law of electromagnetic induction (EMI). A 16×2 LCD displays the charging status — “Charging Station ON” when active and “Charging Station OFF” otherwise. Simultaneously, a billing system counts the charging duration.On the receiving end, a secondary coil with 45 turns is placed above the transmitter. The magnetic field induces current in this coil, which powers a 7805 regulator circuit. The output voltage is displayed on a voltmeter. This setup demonstrates a wireless and contactless method to charge electric vehicles effectively.

Conclusion

A wireless charging system from the road to the vehicle is demonstrated using Arduino, IR sensor, and relays. The increased usage of electric vehicles necessitates the development of new technologies that simplify the charging process by making it more autonomous and requiring less human involvement.Solar based Green charging station for an Electric Vehicle (EV) project, IoT wireless EV charging, electric vehicle charging station, wireless charging infrastructure, IoT-enabled EV charging, smart wireless charging for electric vehicles, Arduino EV charging station, IoT-connected EV charger, wireless charging technology, electric vehicle IoT solutions, EV charging station development, Arduino-based wireless charger, smart charging for electric cars, wireless power transfer for EVs,
IoT-enabled vehicle charging solutions, wireless EV charger with Arduino, Internet of Things in electric vehicle charging

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Get the full working project with components, code, diagrams & explanation.

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