Application of integrated stepping servo motor in water quality analyzer

 

With the increasing awareness of environmental protection, the importance of water quality monitoring and analysis in the field of environmental protection and public health has become increasingly prominent. As a key water quality monitoring tool, the performance and accuracy of water quality analyzers are directly related to the accuracy and reliability of monitoring results. Integrated stepper servo motors, as an efficient and precise motion control device, have been widely used in water quality analyzers in recent years.

 

01.Equipment Introduction

Image source: Internet

A water quality analyzer is an instrument used to detect and analyze various chemical, physical and biological parameters in water. It can quickly and accurately measure various parameters in water, such as turbidity, residual chlorine, pH value, heavy metals, microorganisms, etc., to evaluate whether the water quality meets the health standards, drinking water standards or water quality requirements of specific industries. Water quality analyzers play an important role in protecting the water environment, ensuring the safety of drinking water, and monitoring the quality of industrial water.

Water quality analyzers usually consist of a measurement system, an analysis system, a control system, etc., and are equipped with a variety of sensors and electrodes to detect different parameters in the water body. Users can set measurement parameters, start and stop measurements, store and transmit data according to their needs. Some advanced models of water quality analyzers also have data transmission functions, which can transmit measurement results to computers or cloud storage systems for analysis and sharing.

Schematic diagram of integrated stepper servo motor structure

The integrated stepper servo motor is a high-performance drive device that integrates stepper motors, drivers, encoders and other modules. In water quality analyzers, the integrated stepper servo motor is mainly used for sample movement, measurement,(driving the sample electrode), cleaning and other parts.

 

02.Solution

Based on the compact design of the integrated motor, we can upgrade the water quality analyzer.

NiMotion Solution System Diagram

In the water quality analyzer, the integrated stepper servo motor is mainly used for the sample tray, sample injection device and sample cleaning. The controller issues instructions, the sample tray rotates to the specified position, and the sampling device is driven to take samples and inject samples. Finally, the automatic cleaning action is performed after the measurement is completed.

During this process, the integrated stepper servo motor achieves precise automatic control of the overall operation of the equipment through precise position movement, thereby ensuring the accuracy and reliability of the analysis results.

The STM-M series integrated stepper servo motor integrates the precise stepping characteristics of the stepper motor and the precise control capability of the servo motor, making the motion control of the water quality analyzer reach an unprecedented level.

Example of scenario:

Motor model: STM57-M series

Motor model: STM28-M series

The STM-M series integrated stepper servo motor has precise position control, low operating noise, smooth movement, convenient operation, and can better achieve control accuracy requirements.

 

03.Advantages of integrated stepper servo motor

High integration improves the portability of equipment: The integrated stepper servo motor integrates functional modules such as stepper motor, servo driver, encoder and controller, which greatly reduces the size and weight of the equipment. At the same time, it simplifies system wiring and reduces potential failure points.

Flexibility to meet diverse needs: The integrated stepper servo motor supports CANopen/Modbus communication and can be flexibly controlled and adjusted as needed to adapt to different work requirements.

High-precision positioning improves measurement accuracy: The integrated stepper servo motor has high positioning accuracy and can achieve high-precision positioning of mobile equipment.

Multiple control modes: support PP, VM, PV, PT, HM, IP, CSP, CSV, CST standard modes; support NiMotion position mode, NiMotion speed mode, NiMotion torque mode.

High-speed response improves equipment efficiency: The integrated step servo motor has a fast response speed and can quickly adjust the angle and position of the detection equipment. This means that the detection unit can obtain sample information more quickly, improving the working efficiency and responsiveness of the equipment.

Complete alarm function: The integrated step servo motor can detect hardware failures in time to avoid affecting system operation. It is equipped with multiple safety protection functions. The LED flashing alarm can intuitively display the current status of the motor. It also has protection functions such as overvoltage/undervoltage, overheating, overcurrent, and stall alarm.