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Electromagnetic heating pressure cooking device

A cooking device and pressure technology, applied in heating devices, cooking utensils, household appliances, etc., can solve the problems of complex shape of elastic mechanism, difficult to manufacture, safety of the lid flying out, etc., and achieve easy design and selection of materials and easy selection of materials. , the effect of good cooking effect

Active Publication Date: 2010-06-23
谛卓(北京)咨询顾问有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this structure is: the elastic arm and the force transmission part are located between the bottom of the inner pot and the electromagnetic coil, they must have heat resistance (do not produce physical and chemical changes under abnormal high temperature), pressure resistance (withstand the huge downward force of the bottom of the pot), The pressure does not destroy), magnetic resistance (does not affect the magnetic force lines, will not be magnetized and heated in the alternating magnetic field), so it is extremely difficult to select materials; in addition, the structure of the elastic arm limits the design of the electromagnetic coil plate, and it is impossible to realize the uniformity of the entire pot bottom. Heating, affecting the cooking effect
The main disadvantage of this structure is: the shape of the elastic mechanism is complex and difficult to manufacture; under abnormal conditions, if the elastic mechanism deforms too much or fails, the pot lid will fly out under pressure and cause a safety hazard

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 Shown, the present invention comprises pot cover 1, sealing ring 2, inner pot 3, shell 7, the outer pot ring 5 that is fixed in shell 7 and the displacement detection switch 6 that is connected with control circuit, pot cover 1 and outer The pot ring 5 is screwed and rigidly connected, and the inner pot 3 is sealed by the sealing ring 2; a pressure ring 4 and an elastic mechanism 12 are arranged between the inner pot 3 and the outer pot ring 5, and the stationary end of the elastic mechanism 12 is fixed on the outer pot ring 5 On the flanging part of the bottom; the outer protruding end surface of the pressure ring 4 is placed on the elastic mechanism; the pot edge of the inner pot 3 is in rigid contact with the top of the pressure ring 4, and the coil disk 8 is fixedly connected with the bottom of the pressure ring 4 and connected with the inner pot 3 Keep a distance of 3 to 4mm on the outer surface of the bottom. Since the inner pot 3, the pressure r...

Embodiment 2

[0029] Embodiment two: as attached figure 2 As shown, compared with Embodiment 1, it is mainly to improve the manufacturability of the pressure ring 4. The difference between this solution and Embodiment 1 is that the pressure ring 4 is fixedly connected by a ring 41 and another annular side wall 42. become. The ring 41 is used to support the inner pot 3 and withstand pressure, and this part is produced by aluminum alloy die-casting; while the lower part of the ring-shaped side wall 42 is connected to the coil disk 8, which is made by sheet metal technology, so that the manufacturing process of the entire pressure ring 4 Can become very easy; The working principle of this embodiment is the same with embodiment one.

Embodiment 3

[0030] Embodiment three: as attached image 3 As shown, the difference between the present embodiment and the second embodiment is that the pressure ring 4 is composed of three parts fixedly connected. 8 fixed together. The direct contact piece 43 is made of non-magnetic material, so it will not affect the design and performance of the coil disk 8 . The working principle of this embodiment is the same as the first embodiment.

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Abstract

The invention discloses an electromagnetic heating pressure cooking device, which comprises a pot cover, a sealing ring, an inner pot, a shell, an outer pot ring fixed in the shell, and a displacement detection switch connected with a control circuit. The outer pot ring is rigidly connected when the pot cover is screwed, the sealing ring is positioned between the inner pot and the pot cover, a coil disc is arranged between the bottom of the inner pot and the shell, a pressure ring and an elastic mechanism are arranged between the inner pot and the outer pot ring, the top of the pressure ring is rigidly contacted with the pot edge of the inner pot, or a heat insulation pad which is used for separating the inner pot and the pressure ring is arranged at the contact position of the pressure ring and the inner pot edge, the lower part of the pressure ring is fixedly connected with the coil disc, the displacement end of the elastic mechanism is in movable rigid connection with the pressure ring, and the static end of the elastic mechanism is fixedly connected with the outer pot ring. The electromagnetic heating pressure cooking device can conveniently realize even heating of the whole pot bottom and achieve good cooking effect, and meanwhile has the advantages of simple structure, strong manufacturability, low cost, safety and reliability.

Description

technical field [0001] The invention relates to an electric pressure cooker and electromagnetic heating technology, in particular to an electromagnetic heating pressure cooking device. Background technique [0002] In recent years, electric pressure cooker products have formed a huge market in China, and pressure cookers using electromagnetic heating technology have also appeared. Because electromagnetic heating has the advantages of high thermal efficiency, uniform heating, and convenient use, the market prospect is very broad. At present, the pressure control methods of electromagnetic heating pressure cookers on the market mostly adopt temperature measurement and pressure control. Such products have complex structure, high cost and cannot accurately control pressure, so they are difficult to popularize. Domestic also someone proposes to adopt the mode of displacement control pressure to realize electromagnetic heating pressure cooking, as the following two examples: 1. P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/086A47J36/24
Inventor 邢留奎
Owner 谛卓(北京)咨询顾问有限公司
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