An old sliding gate got upgraded with electric motors.
This particular sliding gate is very heavy and gets opened and closed quite frequently, thus automating it certainly made life a bit easier.

Specification

• Power supply: 230 V AC
• Control Interfaces:
  • Buttons on gate
  • Buttons on control box
  • Remote control (radio transmitter)
  • Web interface

Components

Mechanical

• 2x 3d-printed gear
• 2x Toothed rack
• 4x Custom end position damper
• 2x Custom guide roller

Motor

• Power: 0.3 kW
• Voltage: 400 V
• Frequency: 50 Hz
• Type: Three phase asynchronous motor
• Connection: Connected with capacitor for single-phase operation

Control

• Custom pcb with ESP-32 microcontroller
• 12 V relays for controlling the motors
• Sensors:
  • Limit roller switches
  • Photoelectric barrier
• Radio receiver (for remote control)

Basic schema of the system with the used sensors.

Videos

First open

2018.02.06

First close

2018.02.06

Gallery