Sensor Head Power Rails via Inductive Coupling
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Solution Overview
Problem
The existing power delivery systems for scanning sensor heads in web manufacturing or processing systems rely on point-to-point wire connections, which are costly, prone to failure, and require frequent replacement due to the extensive movement of cables, leading to increased operational costs and maintenance complexities.
Innovation Solution
The system employs multiple rails to deliver power to scanning sensor heads, reducing the need for cables and allowing for wireless transmission of sensor measurements, thereby simplifying installation and maintenance while minimizing operational costs and failure rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If point-to-point wire connections are used to deliver power to scanning sensor heads, then electrical power can be transmitted to the moving sensor head, but the cable structure becomes complex, costly, and prone to failure due to extensive movement
Solution Approach 1:
The patent replaces the mechanical cable-based power delivery system with an inductive coupling system using electromagnetic fields. The power delivery mechanism transitions from physical wire connections to wireless electromagnetic energy transfer, eliminating the mechanical wear and complexity associated with moving cables while maintaining reliable power transmission to the scanning sensor head
Solution Approach 2:
The patent introduces electromagnetic fields as an intermediary medium for power transmission. Instead of direct physical contact through cables, power is transmitted through electromagnetic coupling between a stationary power source and a moving sensor head, allowing energy transfer without mechanical connection and thus improving reliability while reducing structural complexity
2Ease of manufacture
If cables are used to power moving sensor heads, then power can be delivered to the sensor head, but frequent cable replacement is required leading to increased operational costs and maintenance complexities
Solution Approach 1:
By replacing the mechanical cable system with inductive coupling, the patent eliminates the need for physical cable connections that require installation and replacement. The wireless power transfer mechanism simplifies installation to merely positioning the sensor head within the electromagnetic field range, and eliminates maintenance time associated with cable replacement
Solution Approach 2:
The inductive coupling system allows the sensor head to receive power automatically when positioned within the electromagnetic field, without requiring manual cable connection or replacement. The system self-adjusts to maintain power delivery during movement, reducing both installation and maintenance interventions
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
This approach reduces the complexity and cost of power delivery, enhances reliability, and simplifies maintenance by eliminating the need for frequent cable replacements and minimizing the risk of cable-related failures.
Implementation Method 1
Power can be provided over the rails to components of the sensor head as the sensor head moves back and forth
Data Source
Figure 1~2
Figure 3~4A
Figure 4B~5
AI summary
An apparatus includes a chassis (302) configured to move back and forth along multiple rails (208a-208b, 210a-210b). The apparatus also includes electrical contacts (212) configured to form electrical connections to the rails. The apparatus further includes a power converter/conditioner (306) configured to receive power from the rails via the electrical contacts and to convert the power into a different form and/or condition the power. In addition, the apparatus includes one or more sensors (304) configured to measure at least one characteristic of a material, where the one or more sensors are configured to operate using the power from the power converter/conditioner. The electrical contacts could touch the rails and receive the power directly from the rails. The electrical contacts could also touch rail contacts (308) and receive the power indirectly from the rails via the rail contacts.