Window Heating Apparatus with Laminated PCB Base
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Solution Overview
Problem
Radiation-based gas detectors face performance deterioration due to snow or condensed water on their glass windows, which affects transparency and radiation reception, and existing heating solutions either block the glass or are complex to install.
Innovation Solution
A window heating apparatus comprising a frame, a heater assembly with a base and a PCB, where the PCB is laminated on the base and has heating elements, allowing direct contact with the base to transfer heat to the glass window without direct contact, thus avoiding glue or mechanical structures that could obstruct radiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heating elements are directly attached to the glass window using glue or mechanical structures, then heating efficiency is improved, but the glass window transparency and radiation passage are blocked
Solution Approach 1:
The patent introduces a base as an intermediary component between the heating elements and the glass window. The base receives heat from the heating elements and transfers it to the glass window through its second side, eliminating the need for direct attachment of heating elements to the glass surface. This mediator approach maintains glass transparency while achieving effective heating.
2Temperature
If heating elements are directly attached to the glass window, then heating effectiveness is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent merges the heating elements with the base structure, forming an integrated heater assembly. The base provides both structural support and heat transfer functionality, eliminating the need for separate mounting structures and simplifying installation. The heating elements are positioned on the first side of the base, which is then attached to the glass window, reducing overall device complexity.
3Temperature
If heating elements are positioned close to the glass window for efficient heat transfer, then heating performance is improved, but localized overheating and damage risk increase
Solution Approach 1:
The base acts as a thermal mediator that distributes heat from the heating elements across its surface before transferring it to the glass window. This intermediate heat distribution layer prevents concentrated heat spots and localized overheating, maintaining effective heating performance while reducing damage risk.
Solution Approach 2:
The patent replaces direct thermal contact between heating elements and glass with thermal conduction through the base material. This substitution of the heat transfer path allows for better thermal management and distribution, preventing localized overheating while maintaining heating effectiveness.
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
Efficiently heats the glass window to remove snow and condensed water, maintaining transparency and preventing localized overheating or damage, while allowing unobstructed radiation passage.
Implementation Method 1
The PCB has one or more heating elements for heating the glass window
Implementation Method 2
the glass window is in direct contact with the base on the second side
Data Source
AI summary
Various example embodiments described herein relate to a window heating apparatus. The window heating apparatus comprises a frame, a heater assembly disposed on the frame, and a glass window. The heater assembly comprises a base having a first side and a second side and defines a first opening. The heater assembly comprises a Printed Circuit Board (PCB) laminated on the first side of the base along an inner edge of the base. The PCB defines a second opening, wherein the first opening and the second opening are aligned coaxially. The glass window is disposed on the base and the second side of the base is in direct contact with the glass window.