Charging station remote control charging billing system
Update time：2021-08-26 Pageviews：898
Application field: Energy and power
Application scenario: Provide front-end equipment and cloud background operation management system for charging pile operators (electric vehicles and electric mopeds) to realize the control and management of various power supply metering requirements; user management settings; agent revenue sharing and use in the Internet of Things Control and management of equipment.
Delivery form: IoT system
Performance parameters:
l Communication and centralized controller: processor AM3352 (Cortex-A8 core), 800MHz, memory 512MB DDR3, electronic hard disk 256MB SLC NAND
l Communication: 6 serial ports, 2 USB Host, USB 2.0 high speed, 1 MiniPCIE socket, 2 CAN interfaces, 2 Ethernet (including 1 10/100M adaptive Ethernet and 1 10/100/1000M Adaptive Ethernet), 1 Ethernet SD card interface, 2 RTC (including 1 internal RTC and 1 external RTC), 2 indicator lights, operating system Linux-3.2.0
l Metering and switching unit: single-phase AC 100V, 220V, etc. optional; current range: AC 10A (customizable); signal processing: special measurement chip, 24-bit AD sampling; overload capacity: 1.2 times the range sustainable; instant ( <20mS) Current 5 times, voltage 1.2 times the range is not damaged; input impedance: voltage and current transformer sampling, voltage channel> 1 kΩ/V; current channel ≤ 100mΩ
l Measuring electrical parameters: Collect 8 (expandable) AC parameters, including voltage, current, power, electrical energy, power factor, frequency and other electrical parameters
l Measurement accuracy: voltage, current, power: ±1.0%; active power level 1
l Electrical safety: RS-485 interface, isolated from the power supply, voltage input, and current input; isolation withstand voltage 2000V DC
l Power supply: DC9V~24V range power supply, typical power consumption: ≤2W
l Working environment: Working temperature: -20℃～+70℃
l Storage temperature: -40℃～+85℃
l Relative humidity: 5%～95%, no condensation (under 40℃)
l Altitude: 0～3000 meters
l Environment: no explosion, corrosive gas and conductive dust, no significant shaking, vibration and impact place
l Pull and close control: AC 10A non-stop pull and close control, using zero-crossing monitoring technology to effectively improve the life of the relay contact
l WeChat applet and mobile phone APP: control the device to turn on and off, query and manage user information, and query device location information
Project picture：
Development platform: TI Texas Instruments
Delivery form: IOT system
Performance parameters: Communication and centralized controller: processor AM3352 (Cortex-A8 core), 800MHz
Application scenario: Provide front-end equipment and cloud back-end operation and management system for charging pile operators (electric vehicles and electric mopeds charging) to realize the control and management of various power supply metering requirements;
