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Cooktop with glass ceramic cooking plate

A technology for glass ceramics and cooktops, which is applied in the field of cooktops, can solve problems such as adverse effects on display devices, and achieve the effects of improving spatial resolution, improving sensitivity, and avoiding interference effects.

Active Publication Date: 2017-07-28
SCHOTT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Likewise, the bumps adversely affect the presentation of the display arranged under the glass-ceramic cooktop in a distorted manner

Method used

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  • Cooktop with glass ceramic cooking plate
  • Cooktop with glass ceramic cooking plate
  • Cooktop with glass ceramic cooking plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0058] figure 1 A schematic cross-sectional view of a hob 10 with a glass-ceramic cooktop 11 , a heater 12 and an electronics 20 is shown.

[0059] Heater 12 , which is embodied as a radiant heater in the exemplary embodiment shown, is pressed against bottom surface 11 . The heater 12 has a heating coil 12.2 and a thermal protector 12.1. The thermal protector 12.1 interrupts the current supply to the heating coil 12.2 when the temperature of the glass-ceramic cooktop 11 exceeds a preset threshold value. The heater 12 defines a heating area marked on the top surface 11 . 1 of the glass-ceramic cooktop 11 as a cooking area 15 and on which cooking utensils, for example cooking pots, can be placed. The cooking utensil and the food stored therein are heated by the heater 12 , as indicated by the energy flow 30 shown. The energy flow 30 here essentially consists of radiant energy emanating from the heating coil 12 . 2 and energy transferred in the region of the glass-ceramic cook...

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Abstract

The invention relates to a cooktop with a glass ceramic cooking plate and at least one heater arranged below the glass ceramic cooking plate. At least one touch sensor operable across the glass ceramic cooking plate is disposed for adjusting the power of the at least one heater. The glass ceramic cooking plate has an increased strength and is therefore produced with a reduced thickness, whereby the sensitivity and reliability of the touch sensor are significantly improved.

Description

technical field [0001] The invention relates to a hob with a glass-ceramic cooktop and at least one heater arranged below the glass-ceramic cooktop. Background technique [0002] Glass-ceramics based on lithium-aluminosilicates are used in many applications due to their low thermal expansion, where high temperatures and temperature differences arise. For example, a glass-ceramic plate is used as a cooktop for cooktops. The energy for cooking is provided by a heater placed under the glass-ceramic cooktop. The heater can be embodied, for example, as a halogen heater, a radiant heater or an induction heater. [0003] The manufacture of suitable glass-ceramics and their use in the cooktop area are described in the literature (for example, "Low Thermal Expansion Glass Ceramics", H. Bach Verlag, ISBN 3-540-58598-2). The green glass plate produced by the subsequent forming process carries out the ceramization of the material by suitable temperature treatment.At first, a crystal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C7/06F24C7/08F24C15/10C03C10/00
CPCC03C10/0027F24C7/067F24C7/083F24C7/086F24C15/10C03C2204/04C03C3/083C03C3/085C03C3/091C03C3/093C03C3/097C03C17/00F24C15/102C03B32/02C03C4/02C03C2204/00H05B3/688H05B3/74H05B6/1209H05B2213/07
Inventor B·多尔克M·博克迈耶T·赞可尔E·万斯G·奥尔M·塔普兰R·杜德克S·贝克斯
Owner SCHOTT AG