Electric Field Resistor With Variable Coil Spacing
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Solution Overview
Problem
Conventional electric field resistors with uniformly spaced annular coils generate non-uniform electric fields due to varying coil lengths, affecting system performance.
Innovation Solution
A series-connected electric field resistor with coils of varying distances based on voltage differences, where each coil's distance from the common center is proportional to its voltage difference, ensuring uniform electric field generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If uniformly spaced annular coils are used to construct the electric field resistor, then the device structure is simple and easy to manufacture, but the electric fields generated on each layer are non-uniform due to varying coil lengths
Solution Approach 1:
The patent applies local quality by making each coil layer have different spacing characteristics. Specifically, the distance between adjacent coil layers is made proportional to the voltage difference across that layer, creating locally optimized spacing that compensates for varying coil lengths and produces uniform electric fields throughout the entire resistor structure.
Solution Approach 2:
The patent changes the spacing parameter between coil layers from a uniform value to a variable value that depends on the voltage difference across each layer. This parameter transformation allows the electric field uniformity to be maintained despite variations in coil lengths, resolving the contradiction between manufacturing simplicity and field uniformity.
2Device complexity
If equal distances between coil layers are maintained, then the device structure is simplified, but voltage differences across different layers become inconsistent leading to non-uniform electric fields
Solution Approach 1:
The patent implements local quality by assigning different spacing characteristics to different coil layers based on their specific voltage differences. Each layer's spacing is locally optimized to produce consistent electric field contribution, rather than applying a global uniform spacing rule that would compromise field consistency.
Solution Approach 2:
The patent introduces asymmetry in the coil layer spacing, where the distance between layers is not uniform but varies according to the voltage difference across each layer. This asymmetric spacing arrangement compensates for the varying coil lengths and ensures that each layer contributes equally to the overall electric field, thereby improving reliability.
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 solution achieves uniform and steady electric fields by adjusting coil distances according to voltage differences, allowing each coil to generate an equivalent electric field, thereby improving system performance.
Implementation Method 1
electric fields generated on each layer of the coils create different phenomenon. Accordingly, the electric fields generated by the electric field resistor 100 are not uniform
Data Source
AI summary
An electric field resistor includes N coils. N coils encircle a common center in sequence, and each of the coils has a first terminal and a second terminal, wherein the first terminal of the first coil receives a first reference voltage, the second terminal of the Nth coil receives a second reference voltage. The second terminal of the ith coil is coupled to the first terminal of the (i+1)th coil, wherein N is a positive integer greater than 1 and 1≦̸i<N. Besides, a distance between the ith coil and the (i+1)th coil is in direct proportion to a voltage difference between the first terminal and the second terminal of the (i+1)th coil.