Hall Sensor Adapter With Homogeneous Magnetic Field Coil
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Solution Overview
Problem
Existing current-sensing systems require multiple sensors with different dimensions for various current ranges, leading to increased costs and inefficiencies due to the need for separate selection for each application.
Innovation Solution
An adapter with a housing that accommodates an integrated circuit with a Hall sensor, featuring a cavity and a coil generating a homogeneous magnetic field, allowing the integrated circuit to be produced in a uniform size and adapted for specific applications through adjustable dimensions and fastening mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors with different dimensions are used for different current ranges, then measurement precision for various current values is improved, but device complexity and cost increase
Solution Approach 1:
The patent applies universality by designing a single integrated circuit with a Hall sensor that can measure different current ranges through software configuration rather than requiring physically different sensors. The sensor remains identical in dimensions and construction, but its measurement range is made variable through programmable parameters, allowing one sensor design to serve multiple current measurement applications.
Solution Approach 2:
The patent implements parameter changes by allowing the measurement range of the Hall sensor to be adjusted through software parameters rather than physical modifications. By changing the evaluation parameters and calibration data stored in the integrated circuit, the same sensor can accurately measure different current ranges, effectively transforming the sensor's measurement capability through parameter modification rather than hardware changes.
2Adaptability or versatility
If multiple sensors with different dimensions are used for different current ranges, then adaptability to various applications is improved, but manufacturing cost increases
Solution Approach 1:
The patent achieves universality by creating a single integrated circuit design that can be applied across multiple current range applications. Instead of manufacturing different sensor versions for different current ranges, the same sensor design is produced with programmable parameters that allow it to adapt to various measurement requirements, significantly reducing manufacturing complexity and cost while maintaining high adaptability.
Solution Approach 2:
The patent uses copying in the sense that the same integrated circuit design and sensor construction are replicated for different applications, with only the software parameters and calibration data needing to be adjusted. This allows identical hardware to be copied and deployed across multiple current range applications without requiring different physical designs, reducing manufacturing costs while maintaining versatility.
3Ease of manufacture
If a single integrated circuit is used for different current ranges, then manufacturing cost decreases, but measurement precision for specific applications may be compromised
Solution Approach 1:
The patent resolves this contradiction by implementing parameter changes that allow the single integrated circuit to achieve application-specific measurement precision. Through programmable parameters, calibration data, and configurable measurement ranges, the same hardware design can be precisely tuned for different current measurement applications, maintaining high measurement accuracy while benefiting from standardized manufacturing.
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
Enables cost-effective use of a single integrated circuit with a Hall sensor across different current ranges by providing a system that accurately measures magnetic field strength and computes electric current, applicable in various applications such as on-board networks and fuse protection.
Implementation Method 1
A magnetic-field generating apparatus, for example a coil, generates a magnetic field in the cavity
Implementation Method 2
The integrated circuit with the Hall sensor detects the value of the field strength
Data Source
AI summary
An adapter for receiving at least one integrated circuit with a Hall sensor in a housing. The adapter has a cavity for receiving the at least one integrated circuit in the housing, at least one opening connected with the cavity, and a magnetic-field generating apparatus for generating a magnetic field in the cavity. The adapter is used in a system for detecting the strength of a magnetic field.