DC Grid Electrical Output Control Without Extra Control Circuits
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Solution Overview
Problem
Existing electrical devices require complex control mechanisms to maintain a constant output despite fluctuations in DC voltage supplied by a power grid, necessitating additional control constructions that can be space-consuming and technically intricate.
Innovation Solution
An electrical device is designed to provide a constant output within a first electrical input range and a dependent output within a second range, where the dependent output is controlled by the input itself, using a modifying unit in the power grid system to adjust the input voltage, simplifying the control process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an additional control construction is added to maintain constant output despite voltage fluctuations, then output stability is improved, but device complexity increases
Solution Approach 1:
The electrical device automatically adjusts its output based on the detected electrical input voltage level. The device serves itself by using its own input voltage detection to control its output, eliminating the need for external control constructions. The control unit within the device automatically compares the input voltage to reference values and adjusts the output accordingly, making the system self-regulating without additional complex control equipment.
2Adaptability or versatility
If an additional control construction is added to modify output, then output controllability is improved, but device complexity increases
Solution Approach 1:
The electrical device's control unit performs multiple functions: it detects the electrical input voltage, compares it to reference values, determines the appropriate output level, and controls the output accordingly. This single control unit handles both voltage stabilization and output modification functions, making the device multi-functional without requiring separate control constructions for each function.
Solution Approach 2:
The device uses its own electrical input voltage as the control signal for modifying its output. By detecting the input voltage level and automatically adjusting the output based on pre-defined relationships, the device modifies its output without requiring external control constructions, making the control system self-service and eliminating additional complexity.
3Adaptability or versatility
If an additional control construction is added, then control functionality is improved, but device space requirements increase
Solution Approach 1:
The control unit is merged with the electrical device's existing structure, combining the voltage detection, comparison, and output control functions into a single integrated unit. This merging eliminates the need for separate control constructions and reduces the overall space required for control functionality within the device.
Solution Approach 2:
The control unit serves multiple purposes: stabilizing output during voltage fluctuations, modifying output based on input voltage levels, and providing dimming functionality. By making the control unit multi-functional, the patent eliminates the need for separate control constructions for each function, thereby reducing the total space required in the device.
Data Source
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AI summary
The invention relates an electrical device for providing an output depending on an electrical input. The electrical device (1) is adapted to provide a constant output, if the electrical input is in a first electrical input range, and a dependent output, if the electrical input is in a second electrical input range, wherein the dependent output depends on the electrical input. The output can therefore remain constant, even if the electrical input, which is preferentially a DC grid voltage, fluctuates within the first electrical input range. Moreover, in the second electrical input range the output can be controlled by just controlling the electrical input like the DC grid voltage, without necessarily requiring an additional control construction of the electrical device. A resistance against fluctuations of the electrical input and a controllability of the output can therefore be realized in a relatively simple way.