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Induction cooker and temperature measurement method thereof

A technology of induction cooker and electromagnetic heating coil, which is applied to thermometers using electric/magnetic elements that are directly sensitive to heat, using electromagnetic means, thermometers, etc., can solve the problems of increasing battery replacement costs and inconvenient use by users, and achieve simplified structure, Accurate temperature measurement and accurate temperature measurement effect

Active Publication Date: 2015-07-15
ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned existing technology can directly measure the temperature of the pot, it must use a special pot, sensor and detection device and a battery must be assembled separately, which is inconvenient for the user to use and additionally increases the cost of replacing the battery for the user

Method used

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  • Induction cooker and temperature measurement method thereof
  • Induction cooker and temperature measurement method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] The precise temperature measuring device for an electromagnetic oven shown in Example 1 includes an electromagnetic oven porcelain plate, an electromagnetic heating coil and a control circuit.

[0028] At least one positive temperature coefficient temperature sensor 3 pattern is printed on the upper surface of the panel to achieve contact with the heated pan, and a first coil 1 is printed on the panel with conductive paste, and the first coil 1 is in contact with the heated pan. The positive temperature coefficient temperature sensor 3 is electrically connected, and also includes a second coil 2 magnetically coupled with the first coil, and a processing circuit electrically connected between the second coil and the control circuit.

[0029] The processing circuit includes: at least one first capacitor, an oscillating signal generator connected in series with the first capacitor, the oscillating signal generator is used to provide an oscillating signal with a fixed freque...

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Abstract

The invention relates to an induction cooker, comprising a panel, electromagnetic heating coils and a control circuit. The induction cooker is characterized by that: at least one pattern of a positive temperature coefficient temperature sensor is printed on the surface of the panel to realize the contact with a heated pan, a first coil which is connected with the positive temperature coefficient temperature sensor is printed on the panel with conductive slurry, a second coil is magnetic coupled with the first coil, and a processing circuit is electrically connected with the second coil and the control circuit.

Description

technical field [0001] The invention belongs to an electromagnetic cooking utensil, in particular to an accurate temperature measuring device for an electromagnetic cooker. Background technique [0002] The induction cooker uses the coil plate to generate an alternating magnetic field under the action of the control circuit, and generates a large number of dense eddy currents through the magnetically conductive (iron) pot. The eddy current makes the iron atoms of the pot move at high speed and irregularly, and the atoms collide and rub against each other to generate heat energy. Very efficient. Using the induction cooker to heat pots and utensils for cooking and boiling water can complete most of the cooking tasks in the family, and it has more and more penetrated into people's lives. The temperature detection of the existing induction cooker is mostly contact temperature detection, relying on the thermistor installed in the center of the inner coil disk to detect the tempe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C7/08G01K7/16
Inventor 蔡才德刘云李永强李健
Owner ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
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