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Electromagnetic heating pressure cooking device

A cooking device and pressure technology, applied in pressure cookers, cooking utensils, household appliances, etc., can solve problems such as affecting the pressure control accuracy in the pot, large thermal inertia, and pressure overshoot.

Inactive Publication Date: 2006-03-22
徐可明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention proposes to replace the electric heating plate in the prior art with an electromagnetic heater, which can solve the problem of pressure overshoot caused by the large thermal inertia of the electric heating plate and affect the control accuracy of the pressure in the pot. Due to the different heating methods and heating principles, the heat conduction efficiency of the electromagnetic heater is more than ten percent higher than that of the electric heating plate, so it can greatly save energy consumption.

Method used

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Experimental program
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Embodiment 1

[0015]Embodiment 1 (see Fig. 1): Take 3 inner pots with a diameter of 20 cm as an example. The inner pot 3 is processed by an aluminum plate with a thickness of 2 mm, and a composite magnetically conductive stainless steel plate is welded on the bottom of the pot, so that the bottom of the inner pot 3 has magnetic conductivity. The inner pot 3 can also be made of a magnetically conductive stainless steel plate with good anti-corrosion performance, and the thickness of the stainless steel plate can be selected at about 0.7 mm. Outer pot 4 adopts the aluminized steel plate of 0.8mm, turns over the pot tooth on the pot mouth of outer pot 4, so that be screwed and connected with the pot cover tooth on the pot cover 1. Pot cover 1 adopts the stainless steel plate of about 1.0mm to make, and the overturning of pot cover teeth must match the pot teeth of outer pot 4, so that the cover teeth of pot cover 1 can be screwed and connected with the pot teeth of outer pot 4. Sealing ring 2...

Embodiment 2

[0017] Embodiment 2 (see figure 2 ): the diameter of 3 inner pots is the same as Example 1. The outer pot 4 adopts 0.8mm aluminum-plated steel plate, and the bottom of the pot is stamped into a corrugated shape to form elastic arms 5 . It should be noted that the corrugated elastic arm 5 is the product of the combination of the diaphragm technology in the aviation high technology and the outer pot processing technology in the rice cooker industry. It has the characteristics of good product integration performance, high moldability and stable performance. The force transmission part 8 is made of a non-magnetic material, and can be made into various shapes. Considering that the direction and size of the force cannot be changed during the process of transmitting the pressure in the pot, the cross-sectional shape of the force transmission part 8 is as follows: The bow shape is better, and the real thing can be made into a bowl-shaped cast aluminum structure or zinc-aluminum allo...

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Abstract

The electromagnetically heating pressure cooking device relates to application of electromagnetically heating technology. The electromagnetically heating pressure cooking device consists of lid, inner pot, outer pot, sealing ring, elastic arm, switch, electromagnetic heater and other parts. Compared with available electric heating device, the electromagnetically heating pressure cooking device has less heat inertia, raised pressure control precision, high heat conducting efficiency and saving in electric power.

Description

Technical field: [0001] The invention belongs to an electric heat pressure cooking utensil for kitchens, and is a product patent for the application of electromagnetic heating technology. Background technique: [0002] In my country, electric pressure cooker products based on the structural features of China's ZL91100026.7 invention patent have begun to enter common people's families. The heating method that this patented product adopts continues to use the aluminum electric hot plate that electric rice cooker is used. Due to the large thermal inertia of the aluminum electric heating plate, the pressure overshoot after power failure is caused, which greatly affects the accuracy of the pressure control in the pot. The electromagnetic heating method has the characteristics of high thermal efficiency and small thermal inertia. Therefore, replacing the aluminum electric heating plate heating method in the prior art with the electromagnetic heating method can greatly improve the...

Claims

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Application Information

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IPC IPC(8): A47J27/00A47J27/08
Inventor 王永光
Owner 徐可明
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