Beverage Cooler Controller for Integrated EC Motor and Lighting Control
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Solution Overview
Problem
Beverage coolers with multiple electronics units face redundancy and complexity in componentry and communication, leading to increased costs and reduced reliability, necessitating a control device that can integrate the functionality of several discrete control systems.
Innovation Solution
A microprocessor-based controller that receives inputs from various sensors and devices, including door position, fan speed, and environment sensors, to control EC motors and other components, with integrated drive electronics and a common power supply, allowing for centralized management of refrigeration systems, motor commutation, and LED lighting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate control systems are used for EC motors, lighting, and other devices, then each device can be controlled independently with dedicated electronics, but the system complexity and cost increase due to redundancy of componentry and complexity of communications
Solution Approach 1:
The patent combines multiple separate control systems into a single integrated controller that manages EC motors, LED lighting, and other devices. This consolidation eliminates redundant components and simplifies communication architecture while maintaining the ability to independently control each device through software-based control algorithms.
Solution Approach 2:
The integrated controller is designed as a universal control unit capable of performing multiple functions: commutating EC motors, controlling LED lighting, monitoring sensors, and managing various refrigeration system components. This multi-functional approach replaces multiple specialized controllers with one versatile device.
2Adaptability or versatility
If multiple separate control systems are used for EC motors, lighting, and other devices, then each device can be controlled independently with dedicated electronics, but the cost increases due to redundancy of componentry
Solution Approach 1:
The patent consolidates multiple control functions into a single controller unit, eliminating the need for separate control electronics for each device. This merging reduces the total number of components required, lowers manufacturing costs, and simplifies the bill of materials while maintaining independent control capabilities through software.
3Adaptability or versatility
If multiple separate control systems are used for EC motors, lighting, and other devices, then each device can be controlled independently with dedicated electronics, but reliability reduces due to excessive componentry
Solution Approach 1:
The patent integrates multiple control functions into a single controller, reducing the total number of electronic components and potential failure points. This consolidation improves reliability by eliminating redundant components and simplifying the communication architecture, while software-based control maintains the independence of each device's control capability.
4Use of energy by moving object
If high-efficiency EC motors and LED lighting are used, then energy consumption is reduced, but system complexity increases due to requirement for electronic commutators and drivers
Solution Approach 1:
The patent integrates the control of EC motors and LED lighting into a single controller system. This consolidation manages the electronic commutators and LED drivers through unified control architecture, reducing overall electronics complexity while maintaining the energy efficiency benefits of high-performance EC motors and LED lighting.
Solution Approach 2:
The integrated controller serves as a universal management system that handles multiple functions including EC motor commutation, LED lighting control, sensor monitoring, and system coordination. This multi-functional approach consolidates the electronics required for high-efficiency components into a single versatile controller.
Data Source
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AI summary
A beverage cooler has a low voltage DC supply (311) usable by the controller ancillaries, such as lighting (318), the DC supply also providing the supply voltage to a microprocessor (313) which electronically commutates at least one of the motors (305, 306, 307) associated with beverage cooling to provide a required speed or loading. The microprocessor also responds to and controls the cooler ancillaries, such as lighting, temperature and status reporting thereby allowing a reduced component count.