Rotating platform device for substance detection
By combining a Raspberry Pi Pico and an A4988 driver with a mechanical rotary potentiometer, a rotary platform device was developed that solved the problems of low speed control accuracy and inconvenient operation, achieving high-precision speed adjustment and convenient operation, and adapting to various power supply specifications.
CN224399241UActive Publication Date: 2026-06-23SUZHOU EUROPOD PRECISION INSTR TECH CO LTD
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Patent Information
- Application Number
- CN202521321358.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-26
- Publication Date
- 2026-06-23
- Estimated Expiration
- 2035-06-26
AI Technical Summary
Technical Problem
Existing rotary platforms suffer from low speed control accuracy, inconvenient operation, and complex structure, failing to meet the requirements for high precision and convenient operation.
Method used
It uses a Raspberry Pi Pico module combined with an A4988 stepper motor driver and a mechanical rotary potentiometer to achieve stepless speed regulation through PWM signals, and integrates a buck module to power the motor and sensors, supporting local real-time control.
Benefits of technology
It achieves a speed control accuracy of ±0.5%, supports localized real-time stepless adjustment, simplifies power management, adapts to various voltage specifications, and improves operating efficiency and equipment adaptability.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to a rotary platform device for substance detection, which comprises an input module, a motor driver module, a main power supply module, a voltage reduction module and a raspberry Pi module, the main power supply module supplies power to the motor driver module and the raspberry Pi module through the voltage reduction module, and the input module is connected with an ADC pin of the raspberry Pi module. The motor driver module is connected with a stepping motor of the rotating platform, the motor driver module is connected with the Raspberry Pi module, and the motor driver module is used for receiving a PWM signal output by the Raspberry Pi module so as to adjust the rotating speed of the stepping motor of the rotating platform. According to the rotating platform device for substance detection, the rotating speed control precision is improved, the rotating speed adjusting precision is improved from + / -10% to + / -0.5% through a 16-bit ADC acquisition knob signal and A4988 subdivision driving, and the requirements for precise positioning and uniform rotation are met; real-time stepless regulation is supported, and the field debugging time is shortened; and the power supply compatibility is enhanced.
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