Motor Control Device Automatic ID Assignment via Setting Voltage
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Solution Overview
Problem
The existing motor driving systems face challenges in manufacturing and maintenance due to the need for unique ID information for each fan motor, which complicates the arrangement and replacement of fan motors, increasing the difficulty of construction and maintenance.
Innovation Solution
A motor driving control device with a control circuit that acquires setting reference information and sets its identification information based on a setting voltage, allowing the system to automatically determine and set unique IDs for each motor driving control device, facilitating the construction and maintenance of the motor driving system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ID information is written to each fan motor in advance, then each fan motor can be uniquely identified and controlled, but the manufacturing complexity and difficulty of arrangement increase
Solution Approach 1:
The controller performs preliminary actions by transmitting setting reference information and setting voltages to each motor driving control device before the fan motors are fully assembled. This allows the ID information to be automatically set based on the arrangement position, eliminating the need for manual pre-programming of each motor with unique IDs.
Solution Approach 2:
Each motor driving control device automatically determines its own ID information by comparing the received setting voltage with the setting reference information. The system enables self-service by having the control devices autonomously configure their identification based on their electrical connection characteristics rather than requiring external manual configuration.
2Reliability
If unique ID information is assigned to each fan motor, then precise control of individual motors is achieved, but the difficulty of replacement and maintenance increases
Solution Approach 1:
The ID information assignment becomes dynamic rather than static. When a fan motor is replaced, the new motor automatically receives the appropriate ID information based on its arrangement position and the setting voltage transmitted by the controller. This dynamic reconfiguration capability eliminates the need to manually match ID information during replacement, significantly easing maintenance operations.
3Manufacturing precision
If manual arrangement of fan motors according to ID information is required, then correct system configuration is ensured, but construction time and complexity increase
Solution Approach 1:
The patent replaces the mechanical/manual system of physically arranging motors according to pre-assigned IDs with an electrical/automatic system. The controller automatically transmits setting reference information and setting voltages to each motor driving control device, which then autonomously determines its ID based on electrical characteristics. This substitution of manual mechanical arrangement with automated electrical configuration dramatically reduces construction time while maintaining configuration accuracy.
Data Source
AI summary
A motor driving control device, together with a controller, included in a motor driving system, has a control circuit controlling drive of a motor according to instruction information transmitted from the controller. The control circuit has a first acquisition unit acquiring setting reference information related to assignment of identification information for the motor driving control device itself, the setting reference information being input from outside, a setting unit setting the motor driving control device's identification information based on a magnitude of a setting voltage input from the outside and the setting reference information, and a second acquisition unit acquiring the instruction information based on the identification information set by the setting unit.