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Electric pressure cooker

An electric pressure cooker and pressure technology, applied in the field of pressure cookers, can solve the problems of unadjustable pressure and high cost of inductance coils, and achieve the effects of good stability, reliable detection, and reliable capacitance value signals.

Active Publication Date: 2009-03-18
JOYOUNG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The problem with this type of electric pressure cooker is that the pressure cannot be adjusted, it is a fixed pressure value
[0018] In addition, the cost of using an inductance coil is also high

Method used

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Embodiment Construction

[0053] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0054] The labels corresponding to the names of the components in the figure are as follows:

[0055] Outer pot 1, inner pot 2, sealing device 3, electric heating device 4, elastic element 5, safety device 6, control circuit board 7, capacitance sensor 8, first pole plate 81, second pole plate 82, compensation capacitor 9, First pole plate 91, second pole plate 92, displacement transmission member 10, elastic body 11, bracket 12, lever device 13, displacement guide rod 14, pot cover 15, handle 16, casing 17, compression spring 18

[0056] Figure 1 to Figure 14 As shown, it is an electric pressure cooker provided by the present invention, which includes an outer pot 1, an inner pot 2 placed in the outer pot 1, a sealing device 3 for sealing the inner pot 2, and an inner pot 2 for heating the inner pot 2 An electric heating device 4, an elastic element 5 for resettin...

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Abstract

The invention provides an electric pressure cooker, comprising an outer cooker, an inner cooker, a heating device, an elastic cell, a sealing device, a safety device and a control circuit which controls the pressure cooker to work. Besides, the invention also comprises a capacitance sensor, wherein the capacitance sensor comprises a first polar plate and a second polar plate, the heating dish is dislocated by the pressure to drive the first polar plate to move corresponding to the second polar plate, the signal of the capacitance change value is generated by changing the distance between the two polar plates, then the signal is inputted to the control circuit to detect and dispose, thus controlling the electric pressure cooker to work. The invention achieves the real-time detection and control of the pressure. As the pressure is continuous and adjustable, different pressure or working time can be chosen according to the condition of different food during the process of cooking. The capacitance value extra generated due to the capacitance sensor being disturbed by the temperature and the electromagnetic is counteracted by the compensating capacitance greatly. The signal quantity is effectively enlarged by the lever device, thus improving the detecting accuracy and the sensibility of the capacitance sensor.

Description

technical field [0001] The invention relates to a pressure cooker, in particular to an electric pressure cooker. Background technique [0002] At present, the electric pressure cooker has replaced the existing old-fashioned pressure cooker due to its energy-saving, fast and convenient advantages, and has become one of the daily household appliances in the family kitchen. There are mainly three types of electric pressure cookers on the market in terms of pressure control and pressure regulation. [0003] The first type is that a flashing switch is arranged at the bottom of the outer pot of the electric pressure cooker, and the heating plate is provided with a contact rod that can touch the on-off of the flashing switch. The heating device is triggered or disconnected by using the inner pot to move up and down with the change of internal pressure during operation. When the electric pressure cooker is working, the pressure in the pot rises, and the heating plate moves downwar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J27/086A47J27/08G05B11/01
CPCA47J27/086
Inventor 朱泽春蒋吉猛
Owner JOYOUNG CO LTD
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