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Swappable Battery Charging Kiosk

Overview

The swappable battery charging method represents the future of light electric vehicle (LEV) battery charging. Developing battery charging station infrastructure is a high-investment endeavor; however, a small kiosk approach can be autonomous and easy to operate. This approach significantly reduces user wait time and simplifies operation, making it an attractive alternative to traditional charging station infrastructure, which demands substantial investment. Additionally, the kiosk offers emergency DC charging for non-standard battery-operated vehicles, enhancing its versatility and utility.

System Benefits​:

  • Intuitive graphical and touch-based access to control the swapping process using RA6M1/RA6M3 MCUs.
  • Bluetooth® Low Energy (LE) and Wi-Fi access for mobile-based application control via the Wi-Fi + Bluetooth (LE) module.
  • Charge metering for individual battery charging using the RL78/I1C MCU.
  • Modular charging approach with a 3kW AC/DC charger for flexible power management.
  • CAN-based communication between devices to monitor battery health and charging status.
  • QR code functionality for secure payment through the service provider.
  • Global System for Mobile communication (GSM) delivers information to the kiosk.
  • Auxiliary supply for the front-end system managed by a PWM controller.

Block Diagram

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16:93 KW Charger 8xSheet.201 KW Charger 8x3 KW Charger 8x3 KW Charger 8xCANCANCANSheet.656Sheet.657Sheet.329Sheet.311Sheet.312Sheet.313Sheet.314Sheet.315Sheet.316Sheet.317Sheet.320Sheet.322Sheet.325Sheet.326Sheet.327Sheet.328Sheet.332Sheet.333Sheet.334Sheet.335Sheet.336Sheet.337Sheet.338Sheet.339Sheet.340Sheet.341Sheet.342Sheet.343Sheet.344Sheet.345Connector Line.631Connector Line.469Connector Line.439Sheet.597Sheet.583Sheet.584Sheet.585Sheet.586Sheet.598Sheet.589Sheet.590Sheet.591Sheet.592Connector Line.454AS004AS004AS004LDOLDOLDODC Output Bike Charging Socket 2xDC Output Bike Charging Socket 2xDC Output Bike Charging Socket 2xDC Output Bike Charging Socket 2xDC Output BikeCharging Socket 2xOptoComponent block.631OptoOptoOptoSheet.44Sheet.46Sheet.48SHUNT 1SHUNTSHUNTSheet.69Sheet.70Sheet.71Sheet.72SHUNT 2SHUNTSHUNTE-Meter 8xE-Meter 8xE-Meter 8xSheet.80Communication Lines B.135222Double arrow.137Connector ArrowConnector Arrow.85Connector Line.90Connector Line.913.3V3.3V3.3VConnector Line.96Connector Line.98Connector Line.99Connector Line.100Connector Line.101Connector Line.102Connector Line.103Sheet.118Sheet.117Component block.34Component block.35Sheet.107Sheet.108Sheet.110Sheet.111Sheet.112InductorSheet.114Sheet.115Sheet.116Sheet.119Component block.34Component block.35Sheet.124Sheet.125Sheet.127Sheet.128InductorSheet.131Sheet.132Sheet.133DisplayDisplayDisplaySheet.181Sheet.154Sheet.155Component block.34Component block.35?? Inductor Air CoreLine.841Inductor Air Core.212Sheet.172Sheet.173Sheet.174Sheet.175Sheet.176Sheet.177Sheet.178Sheet.179Sheet.180Load Switch 6xLoad Switch 6xLoad Switch6xTFT DisplayTFT DisplayTFT DisplayTouch KeySheet.227Sheet.228Sheet.229Sheet.230Sheet.231Sheet.232Sheet.233Sheet.234Sheet.235Bluetooth & Wi-FiBluetooth & Wi-FiBluetooth & Wi-FiGSMGSMGSMAntennaSheet.241Sheet.242Sheet.243QR Code for PaymentQR Code for PaymentQR Code for Payment10V45mA10V/45mA10V/45mA4.7V2Amax4.7V/2Amax4.7V/2Amax3.3V350mAmax3.3V/ 350mAmax3.3V/350mAmax10V300mAmax10V/300mAmax10V/300mAmaxON FaultON FaultON FaultRESETRESETRESET3.3V150mAmax3.3V/150mAmax3.3V/150mAmax10V60mA10V/60mA10V/60mA60V15A60V/15A60V/15A3.3V500mA3.3V/500mA3.3V/500mA5V 2.5A5V/2.5A5V/2.5AOutput Control Relay 2xOutput Control Relay 2xOutput ControlRelay 2xOutput Control Relay 6xOutput Control Relay 6xOutput ControlRelay 6x3.3V, 0.5A3.3V/0.5A3.3V/0.5ADocking Solenoid 6xDocking Solenoid 6xDocking Solenoid6x16 Cell LiFeP16 Cell LiFeP16 CellLiFeP+ -+ -+-Sheet.365 222Sheet.36760V60V60VConnector Arrow.400Connector Line.403Connector Line.404Connector Arrow.405Connector Line.406Connector Line.407Connector Arrow.409Connector double arrowConnector double arrow.412Connector Arrow.414Connector Arrow.416Connector 12 222Sheet.429Sheet.430 222Sheet.432Connector Line.433Connector Arrow.438Connector Line.440Connector 1.441Connector Line.442Connector 1.444Connector 1.445Sheet.446222Sheet.448Connector Line.455Sheet.456666Sheet.458Connector Arrow.459Connector 1.460Connector Line.465Connector Line.467Connector Line.468Sheet.470 222Sheet.47260V, 15A60V/15A60V/15A60V, 15A60V, 15ASheet.476Sheet.482Sheet.479Sheet.480Connector Line.498Connector Line.50060V, 15A60V, 15ASheet.504Sheet.505Sheet.506Sheet.507Connector Line.498Connector Line.500 60V, 15A60V/15A60V/15AConnector 1.511Connector Line.513ResistorConnector Line.517Connector Line.518Connector 1.519Connector 1.520Connector 1.522Connector Line.523Connector Line.524Connector Line.525Connector Line.534Connector 1.535+++---DC/DC BuckDC/DC BuckDC/DC BuckConnector Arrow.5533.3V3.3V3.3VConnector Arrow.556Connector Arrow.557Connector Line.558Connector Line.559Sheet.560 222Sheet.562Connector Line.563Connector Line.564Connector 1.565Connector double arrow.566Sheet.570Communication Lines B.554444Connector Arrow.573Connector Arrow.574ON/OFFON/OFFON/OFFBoard - OptionalBoard - Optional.603Connector Line.607Sheet.609Battery Pack 6xBattery Pack 6xBattery Pack6xConnector double arrow.615Sheet.616 222Sheet.618Connector double arrow.619Sheet.620 222Sheet.622Board - Optional.623Connector Arrow.630Sheet.633Sheet.635AC 1ACACConnector Line.399ACSheet.17Sheet.18AC 2AC 2Sheet.62Sheet.63AC 2ACACBattery.46Sheet.641Sheet.642Sheet.643Sheet.644Line 1pt.1552Line 1pt.160810V 500mA10V/500mA10V/500mATouch ButtonsTouch ButtonsTouchButtonsConnector Arrow.718Connector LineAC/DCAC/DCAC/DCConnector Arrow.723Sheet.726Communication Lines B.425 222MCUMCU 1MCUMCUΣ∆Σ∆Σ∆UARTUARTUARTVCCVCCVCCBattery Front EndBattery Front EndBattery Front EndBatteryFront EndCFETCFETCFETCBCBCBDFETDFETDFETI2CI2CI2CCSPCSPCSPCSNCSNCSNMCU.729MCU 2MCUMCUVCCVCCVCC I2CI2CI2CSPISPISPICANCANCANGPIOGPIOGPIOMCU.730MCU 3MCUMCU VCCVCCVCC GPIOGPIOGPIOCANCANCANADCADCADCGPIOGPIOGPIO UARTUARTUARTHMIHMIHMI I2CI2CI2CCTSUCTSUCTSU

AC/DC

Flyback & Forward Controllers

LDO

Linear Regulators (LDO)

MCU

RL78 Low-Power 8 & 16-Bit MCUs

3KW Charger

High power off-board charger for battery pack solutions
View Diagram

Battery Front End

Battery Protectors, Monitors & Balancers

MCU

RA Arm Cortex-M MCUs

DC/DC Buck

Non-Isolated AC/DC Buck Converters

MCU

RA Arm Cortex-M MCUs
RA Arm Cortex-M MCUs

Bluetooth & Wi-Fi

Wi-Fi MCUs
Wi-Fi MCUs

Load Switch

Load Switches

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