Control system and method for high density universal holding cabinet
First Claim
1. A control system that controls current flow in a plurality of loads of a food service system comprising:
- a like plurality of switches; and
a controller that operates said switches to connect said plurality of loads to a power source during a high demand time such that the total power consumption of said loads is limited to a rated power level or below of said power source for at least a portion of said high demand time.
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Accused Products
Abstract
A load control system and method of time multiplexing power to a plurality of holding shelves in a food holding cabinet to allow total cabinet power to be limited to electrical distribution capabilities. This method allows for individual shelf heaters to be utilized normally to maintain food temperatures during normal use and modulates power when multiple shelves demand heating that would normally exceed branch circuit capabilities thus tripping the breaker. The system monitors temperature of each shelf and based upon demand executes a logical demand schedule for each shelf heater output (time multiplexing or modulating AC power to each) such that total system demand does not exceed available power to the system.
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Citations
20 Claims
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1. A control system that controls current flow in a plurality of loads of a food service system comprising:
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a like plurality of switches; and a controller that operates said switches to connect said plurality of loads to a power source during a high demand time such that the total power consumption of said loads is limited to a rated power level or below of said power source for at least a portion of said high demand time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of controlling current flow in a plurality of loads in a food service system, said method comprising:
controlling a like plurality of switches to connect said plurality of loads to a power source during a high demand time such that the total power consumption of said loads is limited to a rated power level or below of said power source for at least a portion of said high demand time. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
Specification