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Temperature measurement device and method for electric heating appliance

A technology for temperature measuring devices and appliances, applied in measuring devices, instruments, thermometers, etc., can solve rare problems, and achieve the effects of improving reliability and durability, good waterproof sealing, and convenient placement

Inactive Publication Date: 2019-03-19
SOUTH CHINA NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the top cover of the electric heater is mostly a movable part, and most of them can be separated from the electric heater, there are some problems in the structure or working reliability of this method, which limits the use of this method, so are rare in actual products

Method used

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  • Temperature measurement device and method for electric heating appliance

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below:

[0021] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Such as figure 1 Shown is the circuit structure diagram of the electric heating appliance temperature measuring device of the present invention.

[0023] A temperature measuring device for an electric heating appliance, characterized in that it includes a semiconductor thermoelectric power generation chip 1 , a voltage stabilizing circuit 2 , a temperature measuring circuit 3 , a wireless module 4 and a temperature sensor module 5 .

[0024] The semiconductor thermoelectric power generation chip 1 is connected to the voltage stabilizing ci...

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Abstract

The invention discloses a temperature measurement device and method for an electric heating appliance. A semiconductor temperature difference power generation chip is adopted, the internal and external temperature difference in the electric heating appliance working process can be utilized for providing power for a measuring circuit and sending measured data wirelessly, wired connection between the measuring circuit and a control circuit is avoided, placement of the measuring circuit is greatly facilitated, and a temperature measurement top cover can be designed to be an active type or a separated type conveniently. Meanwhile, due to the fact that the semiconductor temperature difference power generation chip does not need to be replaced, the whole circuit can achieve very good waterproofand seal functions, and the reliability and durability of work re improved.

Description

technical field [0001] The invention belongs to the technical field of measuring electric heating appliances, and in particular relates to a temperature measuring device and method for electric heating appliances. Background technique [0002] Electric heating appliances (such as electric rice cookers, etc.) must detect the temperature inside the appliance when working. The general method for temperature detection of such products is to add a temperature sensor outside the bottom of the pot for measurement. The material in the tank (such as water, rice, etc.) is separated by a pot tank, so the actual measured temperature is different from the temperature in the tank, especially when the material in the tank is rice, the rice will settle at the bottom of the tank, At this time, the external temperature sensor at the bottom of the pot needs to indirectly measure the water temperature in the pot through the pot liner and the sediment layer of rice, which will cause a large erro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/02G01K1/024
CPCG01K1/024G01K2215/00
Inventor 周卫星
Owner SOUTH CHINA NORMAL UNIVERSITY
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