Heat transfer device and electric heating appliance

Abstract

The invention discloses a heat transfer device which comprises a heat transfer body, wherein the heat transfer body is a device which is made of a non-metallic material and can transfer heat to an object for heating, and a thermocouple which is only used for detecting temperature is arranged on the heat transfer body; a thermocouple which is composed of two thermocouple wires, wherein one ends of the two thermocouple wires are open, the other ends of the two thermocouple wires are firmly connected, and the two open ends of thermocouple wires are ports used for transmitting signals; and the thermocouple wires which are formed by printing and sintering two different electronic pastes capable of generating thermoelectric generation on the heat transfer body. The invention also discloses an electric heating appliance which is characterized in that after the thermocouple port arranged on the heat transfer body is electrically connected with the main board of the electric heating appliance, a temperature detection signal and a signal for detecting whether the heat transfer body is intact or not can be generated, and the electric heating appliance and the heat transfer body are prevented from being damaged due to dry burning.

Description

technical field [0001] The invention relates to the technical field of kitchen appliances, in particular to a heat transfer device and an electric heating appliance. Background technique [0002] All electric heating appliances that use non-metallic material heat transfer devices to directly or indirectly transfer heat to heat objects, such as induction cookers and electric ceramic stoves using glass-ceramic panels, electric kettles, health pots, slow cookers, Electric rice cookers, etc., because the heat transfer device itself does not have the ability to detect temperature and product rupture and damage, it needs to be monitored by other detection devices. Therefore, due to the influence of non-metallic thermal conductivity and insulation during use, it is difficult to Obtaining fast temperature detection response speed and accurate and reliable temperature detection data will lead to inaccurate measurement and control and poor performance of electric heating appliances. I...

AI Technical Summary

Problems solved by technology

[0002] All electric heating appliances that use non-metallic material heat transfer devices to directly or indirectly transfer heat to heat objects, such as induction cookers and electric ceramic cookers with glass-ceramic panels, electric kettles, health pots, slow cookers, Electric rice cookers, etc., because the heat transfer device itself does not have the ability to detect temperature and product rupture and damage, it needs to be monitored by other detection devices. Therefore, due to the influence of non-metallic thermal conductivity and insulation during use, it is difficult to Obtaining fast temperature detection response speed and accurate and reliable temperature detection data will lead to inaccurate measurement and control and poor performance of electric heating appliances. In addition, when the heat transfer device is cracked or damaged, and the power-off protection is not timely, it is easy to cause serious personal and property damage. injury accident

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