Integrated Controller for Garage Door Operator
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Solution Overview
Problem
Existing controller and power source arrangements for heavy-duty closure operator units are complex, inconvenient, and require qualified electricians for installation and fault diagnosis, leading to costly downtime during repairs.
Innovation Solution
An integrated controller with an inverter that converts single-phase power to three-phase power and a drive controller for active management of the motor, including diagnostic capabilities and communication links for fault monitoring and override instructions, allowing for 'plug and play' installation and reduced need for electrician services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate controller and power source arrangements are used for heavy-duty closure operator units, then the system can provide sufficient power and control capability, but the installation and maintenance require qualified electricians, increasing complexity and downtime
Solution Approach 1:
The patent combines the controller and inverter into a single integrated unit that is pre-assembled and factory-tested. This merging of components simplifies installation by reducing the number of separate connections and configurations needed, while maintaining full control capability and power conversion functionality. The integrated design eliminates the need for complex field wiring and setup that previously required qualified electricians.
Solution Approach 2:
The integrated controller-inverter unit serves multiple functions simultaneously: it provides power conversion from single-phase to three-phase, motor control, diagnostic monitoring, and communication interfaces. This multi-functionality consolidates what previously required separate dedicated components, reducing overall system complexity while maintaining comprehensive operational capability.
2Reliability
If qualified electricians are required for installation and fault diagnosis, then proper system setup and repair can be ensured, but installation time and maintenance costs increase
Solution Approach 1:
The controller and inverter are pre-assembled, pre-configured, and factory-tested before delivery to the customer. This preliminary preparation ensures that all connections and settings are correct upon arrival, eliminating the need for complex field setup. The unit arrives ready-to-install with all necessary configurations already in place, significantly reducing on-site installation time while maintaining high quality standards.
Solution Approach 2:
The integrated unit incorporates self-diagnostics and communication interfaces that enable end-users to monitor system status and identify faults without requiring specialized knowledge. The system can automatically detect and report issues, allowing users to perform basic troubleshooting and maintenance tasks themselves, reducing dependence on qualified electricians for routine operations.
3Extent of automation
If complex controller arrangements are used, then comprehensive control and monitoring capabilities are achieved, but the system requires specialized personnel for operation and maintenance
Solution Approach 1:
The integrated unit incorporates communication interfaces and diagnostic systems that act as intermediaries between the complex internal control systems and the end-user. These interfaces translate complex controller states into user-friendly displays and alerts, allowing users to monitor and interact with the sophisticated control functions without needing to understand the underlying complexity. The communication bridge maintains full automation capability while simplifying user interaction.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated controller simplifies installation and fault diagnosis, enabling users to manage and maintain the operator unit without a qualified electrician, reducing downtime and operational costs while providing continuous monitoring and diagnostic capabilities.
Implementation Method 1
an inverter for receiving a single phase power supply and supplying three phase power to drive the motor
Data Source
AI summary
An integrated controller for an operator unit for powering an overhead garage roller door or roller shutter is described. The operator unit comprises a motor, an output drive assembly, a timing assembly unit, and a clutch assembly for providing selective engagement between motor powered operation and manual operation (provided by a chain rotating a chain wheel). The motor is arranged to drive a shaft which, in turn, provides drive to the roller door or shutter assembly (not shown), which includes an axle around which the roller door or shutter is wound. The integrated controller comprises an inverter for receiving a single phase power supply and supplying three phase power to drive the motor; and a drive controller in operable association with the inverter for providing active management of the operation of the motor.