Electric heating panel with increased efficiency of converting electrical energy into thermal energy and method of manufacturing an electric heating panel

The use of thin oxide layers and an electronic control system in electric heating panels addresses production costs and environmental issues, enabling efficient and precise thermal energy conversion with durability and control.

EP4531498A2Pending Publication Date: 2025-04-02ML SYST SPOLKA AKCYJNA
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Patent Information

Application Number
EP2024200452
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-26
Filing Date
2024-09-16
Publication Date
2025-04-02

AI Technical Summary

Technical Problem

Existing electric heating panels for buildings are costly to produce due to the use of silver-based paints and pastes, require long annealing times, and have negative environmental impacts from solvents, while lacking precise temperature control and durability in varying conditions.

Method used

A construction using thin homogeneous oxide layers, such as FTO, ITO, or AZO, integrated with an electronic control system and ceramic layers for temperature stabilization, ensuring efficient thermal energy conversion and uniform heating with precise temperature control.

Benefits of technology

The solution achieves high efficiency in converting electrical energy to thermal energy, with precise temperature control, durability, and environmental friendliness, allowing operation in varying conditions.

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Abstract

The subject of the invention is an electric heating panel with increased efficiency of converting electrical energy into thermal energy and a method of manufacturing an electric heating panel, wherein the panel consists of a glass pane (1) with a textured ceramic layer (2) printed on its upper surface with a thickness of g1 = 50 µm - 480 µm and a glass pane (3) with a transparent heating layer (4) - FTO, ITO, AZO with a thickness of g3 = 180 µm - 700 µm deposited on its upper surface, comprising metal oxides: tin, zinc, indium, wherein two electrodes (5) with a width of S1 = 3mm - 15mm and a thickness of g4 = 50 µm - 500 µm and resistances per 1 m not exceeding 1 Ω are deposited on the heating layer (4), with one end of each electrode connected to electrical contact leads (6), and further, a temperature sensor (7) connected by a copper electrical wire (8) to an externally powered control system (15) is deposited on the heating layer (4), housed in a plastic casing (14) inseparably connected to the lower surface of the glass pane (3), and additionally, the lower surface (10) of the glass pane (1) and the heating layer (4) deposited on the upper surface of the glass pane (3) are laminated together using a lamination polymer film (9) with a thickness of g5 = 300 µm - 0.85mm.
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