Electromagnetic heating appliance and temperature measuring device and method thereof

A technology of heating appliances and temperature measuring devices, which is applied in the direction of electric heating devices, induction heating devices, electric/magnetic/electromagnetic heating, etc., can solve the problems of complex processing technology and rising costs, and achieve simple processing technology, cost reduction, and timely guarantee The effect of protection

Active Publication Date: 2021-04-27
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, two sets of temperature measurement circuits are generally used for temperature measurement, including thermistors, resistors, capacitors, etc., and thermistors are generally used for temperature measurement through flexible support frames in contact with the IGBT body, resulting in complex processing and increased costs.

Method used

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  • Electromagnetic heating appliance and temperature measuring device and method thereof
  • Electromagnetic heating appliance and temperature measuring device and method thereof
  • Electromagnetic heating appliance and temperature measuring device and method thereof

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0039] The following describes the temperature measuring device of the electromagnetic heating appliance, the temperature measuring method of the electromagnetic heating appliance and the electromagnetic heating appliance according to the embodiments of the present invention with reference to the accompanying drawings.

[0040] figure 1 It is a schematic layout diagram of an IGBT temperature measuring device in a half-bridge circuit of an electromagnetic heating appliance in the related art. Such as figure 1 As shown, the IGBT ...

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Abstract

The invention provides an electromagnetic heating appliance and a temperature measuring device and a temperature measuring method thereof. The electromagnetic heating appliance comprises a choking coil, a first power tube and a second power tube, wherein the first power tube is connected with the choking coil through the second power tube. The temperature measuring device comprises: a first thermistor welded on a circuit board and used for collecting the temperature of a first power tube; and a second thermistor welded on the circuit board and used for collecting the temperature of a second power tube. The temperature measuring device of the electromagnetic heating appliance is simple in processing technology and low in cost.

Description

technical field [0001] The invention relates to the technical field of electrical appliances, in particular to a temperature measuring device of an electromagnetic heating appliance, a temperature measuring method of the electromagnetic heating appliance and an electromagnetic heating appliance with the temperature measuring device. Background technique [0002] At present, in an induction cooker with a half-bridge topology, since two power tubes (IGBT, Insulated Gate Bipolar Transistor) are used, and the power tube is a heat-generating device, the main control chip needs to detect the temperature of the IGBT in real time during the heating process to prevent When abnormal, the IGBT is overheated and burned. Therefore, two sets of temperature measuring circuits are generally used for temperature measurement, including thermistors, resistors, capacitors, etc., and thermistors generally measure temperature through flexible support frames in contact with the IGBT body, resultin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/22G01K1/02H05B6/12
CPCG01K7/22G01K1/02H05B6/12H05B6/1209
Inventor 江德勇王云峰江太阳卢伟杰郑量
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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