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Electromagnetic/electric pressure cooker structure improvement

An electric pressure cooker and pressure cooker technology, applied in the field of pressure cooker, can solve the problems of complex structure, difficult maintenance, insufficient sensitivity and precision, etc., and achieve the effect of good action sensitivity, preventing pressure overshoot and improving accuracy

Inactive Publication Date: 2008-01-09
DONGGUAN QIANFENG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

The disadvantage of this structure is that the switch directly cuts off the power supply, it is easy to pull the arc, the ignition damages the contacts, and the power adjustment cannot be realized. In addition, the switch on and off is controlled by the displacement of the elastic element, which indirectly reflects the steam pressure, and the sensitivity and accuracy are insufficient. ; In addition, the structure is more complex, inconvenient to manufacture, and difficult to repair

Method used

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  • Electromagnetic/electric pressure cooker structure improvement
  • Electromagnetic/electric pressure cooker structure improvement
  • Electromagnetic/electric pressure cooker structure improvement

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Embodiment Construction

[0016] The present invention will be further explained below in conjunction with the drawings:

[0017] As shown in Figures 1 to 3, the present invention mainly includes an outer pot 1, an inner pot 2, an upper cover 3 and an electromagnetic or electric heating system (not shown in the figure). The electromagnetic or electric heating system is installed at the lower bottom of the outer pot 1. The pot 2 is contained in the outer pot 1, and the lower end of the inner pot 2 is located above the electromagnetic or electric heating system to meet the heating requirements. The electromagnetic or electric heating system is controlled by the single-chip microcomputer of the pressure cooker. The upper cover 3 covers the upper port of the inner pot 2, and is connected with a sealing rubber ring 4 for sealing, thereby obtaining a sealed cooking space. On the inner surface of the upper cover 3, a deformable cover 5 that can be deformed under the action of the pressure in the pot is appropriat...

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Abstract

The present invention belongs to the field of pressure cooker technology. Specially, it relates to an improvement of pressure cooker structure with electromagnetic heating function or electroheating function. It mainly includes the following several portions: outer pot, inner pot, upper lid, heating system, pressure switch, pressure detection circuit, chip microprocessor and its control device. Said invention also provides its working principle and concrete operation method.

Description

Technical field: [0001] The invention relates to the technical field of pressure cookers, and particularly refers to an improvement in the structure of a pressure cooker covering electromagnetic heating or electric heating. Background technique: [0002] The pressure cooker has been developed from the earliest mechanical type to the electronic type. The electronic pressure cooker is controlled by a single-chip microcomputer (MCU) and displays the corresponding data, which is more intuitive and controllable. [0003] With the development of electronic technology, the heating methods of electronic pressure cookers include electromagnetic heating and electric heating. Compared with electric heating, electromagnetic heating is safer. [0004] For the patent applications with application numbers "200510072148.7" and "200510085431.3", in the electromagnetic heating pressure cooking device disclosed therein, the pressure in the pot is controlled by a switch connected in series to the el...

Claims

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Application Information

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IPC IPC(8): A47J27/08A47J27/09
Inventor 李荣明汪振中韦建喜
Owner DONGGUAN QIANFENG ELECTRONICS
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