Compact PCB Current Sensor for Distribution Boards
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Solution Overview
Problem
Conventional network analyzers are large, expensive, and complex to install, making them unsuitable for domestic and industrial electrical installations with multiple readings, limiting the ability of families or communities to conduct exhaustive and individualized control of electrical variables and consumption.
Innovation Solution
A compact device with a printed circuit board, microprocessor, and electrical current sensor, featuring a comb-shaped connector and communications terminal, which connects to electrical panels to measure and process current, and transmit data wirelessly or through a communication channel, enabling accurate and efficient measurement of electrical variables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional network analyzers are used for measuring electrical variables, then measurement precision is improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent divides the measurement system into modular components: a compact measurement unit with PCB that can be installed in individual electrical panels, and a central processing system. This segmentation allows precise measurements at multiple locations without requiring a single complex analyzer, resolving the contradiction between measurement precision and device complexity.
Solution Approach 2:
The patent replaces conventional electrical measurement systems with a digital/electronic system based on PCB technology and microprocessors. This substitution enables precise measurements while dramatically reducing device complexity and size compared to traditional network analyzers.
2Measurement precision
If conventional network analyzers are used for measuring electrical variables, then measurement precision is improved, but installation complexity increases
Solution Approach 1:
The measurement system is segmented into plug-and-play modular units that can be independently installed in electrical panels. Each module handles local measurements, and results are automatically transmitted to the central system, enabling precise multi-point measurements without complex installation procedures.
Solution Approach 2:
The measurement modules are designed to be self-configuring and automatically communicate with the central system upon installation. This self-service capability eliminates the need for complex manual configuration and setup, resolving the contradiction between measurement precision and installation ease.
3Measurement precision
If conventional network analyzers are used for measuring electrical variables, then measurement capability is improved, but cost increases significantly
Solution Approach 1:
The system divides the measurement function into multiple inexpensive modular units using standard PCB components, replacing the need for a single expensive network analyzer. This segmentation enables precise measurements across multiple locations at a fraction of the cost of conventional systems.
Solution Approach 2:
The patent employs inexpensive PCB-based measurement modules that can be easily manufactured and replaced. These modules use cost-effective electronic components rather than expensive analyzer hardware, significantly reducing the overall system cost while maintaining measurement capability.
4Adaptability or versatility
If multiple network analyzers are deployed for exhaustive control of electrical variables, then measurement coverage is improved, but device complexity and cost increase
Solution Approach 1:
The system uses multiple segmented measurement modules distributed across different electrical panels, each performing localized measurements. The central system aggregates data from all modules, providing comprehensive coverage without the complexity of coordinating multiple standalone analyzers.
Solution Approach 2:
The measurement modules are designed with universal functionality to handle various electrical parameters (current, voltage, power) across different phases and configurations. This multi-functionality allows a single module design to provide exhaustive measurement coverage throughout the electrical installation.
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 device provides high accuracy in measuring electrical variables, is easy to install, and reduces costs by allowing for precise monitoring of electrical consumption and network quality in domestic and industrial settings, offering a cost-effective solution for large-scale installations.
Implementation Method 1
an electrical current sensor... measure the amperage of the electrical current circulating through the power-conducting wire
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
Device for measuring electrical variables in electrical panels comprising a casing, a printed circuit board, PCB, wherein the PCB incorporates a microprocessor (11) and an electrical current sensor (8); a female connector (3) and a male connector (5), the female connector (3) and the male connector (5) being connected electrically; a communications terminal with remote control equipment; the device is configured to: connect a wire (17) of the power circuit to the female connector (3) of the casing; connect the male connector (5) of the casing to the connection hole of protection equipment (18) of an electrical panel; measure the amperage of the electrical current circulating through the wire (17), and; process and digitize the measurement of the amperage of the electrical current circulating through the wire (17), and transmit it, through the communications terminal, to the remote control equipment.