CN101108064A - Electric pressure cooker - Google Patents
Electric pressure cooker Download PDFInfo
- Publication number
- CN101108064A CN101108064A CNA2007100925939A CN200710092593A CN101108064A CN 101108064 A CN101108064 A CN 101108064A CN A2007100925939 A CNA2007100925939 A CN A2007100925939A CN 200710092593 A CN200710092593 A CN 200710092593A CN 101108064 A CN101108064 A CN 101108064A
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- pressure
- sealing ring
- shell
- upper cover
- electric pressure
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Abstract
The invention relates to a pressure cooker, in particular to an electrical pressure cooker, which comprises an upper cover, a sealing ring, an internal bladder, an external bladder, a shell and a controller. The sealing ring is mounted on the upper cover; the sealing ring seals the upper cover and the external bladder after the upper cover covered the shell; a steam communicating device is arranged between the two bladders. The invention has rational structure design with the internal bladder be made of aluminium, iron, ceramic and red porcelain material for it is free from being limited by pressure and the external bladder made of thick steel plate, which largely enhances the pressure beared and realizes the real high temperature and pressure. It is proved by experiment that the invention can fulfill the requirement of the traditional pressure cooker of 80KP to 100 KP. Besides, a pressure sensor of the invention is quick for sensing the pressure and rapid and precious for transferring signals together that the installation of the pressure sensor has no requirement, thus rapidly improving the production efficiency of the overall machine and also the safety and prolonging the service life. The external bladder can deduce the temperature and pressure quickly and the upper cover can be opened safely in short time.
Description
Technical field
The present invention relates to a kind of pressure cooker, specifically relate to a kind of electric pressure cooking saucepan.
Background technology
The sealing ring of existing electric pressure cooking saucepan is the sealing inner bag with loam cake, so what bear pressure is inner bag, can not use iron material owing to inner bag, causes intensity low, and it is limited to bear pressure, generally all is lower than 50KP.The operation principle of existing electric pressure cooking saucepan is an inner bag pressurized dilatancy, downward pressing spring, spring is depressed into outer courage distortion, thereby touch pressure control switch, this structures shape the installation site of outer courage and pressure switch want accurately, otherwise pressure switch just can't be worked, all need do machine debugging so produce every product, productivity effect is low, and transit link also can cause the pressure switch position slightly to be moved sometimes, influences product quality.Also has existing electric pressure cooking saucepan under situation about also not reducing pressure fully, if open pot cover by force can only be the pressure-reducing valve that manually pulls up on the pot cover, allow steam from pressure-reducing valve, spray, this method is easily scalded the people, also having a kind of method is to drench the pot surface with cold water, do like this and easily cause a pot body deformability, reduce its service life.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of by outer courage pressure-bearing, bear that pressure is big, the pressure precise control is effective, safeguard measure is many and can be automatically externally courage carry out the electric pressure cooking saucepan of cooling decompression.
The object of the present invention is achieved like this:
A kind of electric pressure cooking saucepan comprises loam cake, sealing ring, inner bag, outer courage, shell and controller, and sealing ring is installed in and covers, and described loam cake and shell fasten back sealing ring sealing loam cake and outer courage, are provided with the vapor communication device between outer courage and the inner bag.
Above-mentioned purpose also can be described in further detail by the following technical programs:
Described vapor communication device is O-ring seal, and O-ring seal and sealing ring are conjoined structure, and O-ring seal is positioned at inner ring, and O-ring seal and inner bag are sealed and matched, and sealing ring is positioned at the outer ring, and the junction of O-ring seal and sealing ring is provided with steam hole.
Be provided with pressure sensor in the described outside lining cavity, pressure sensor is connected with controller.
Described outer courage also is provided with steam pressure release valve, and the steam pressure release valve outlet is communicated with outward with shell body.
Bottom cavity between described shell and the outer courage is provided with fan, and corresponding shell bottom surface is provided with air inlet, and outer cover port is provided with air outlet.
Reasonable in design of the present invention, inner bag is because the restriction that is not stressed, materials such as available aluminium, iron, pottery, boccaro, outer courage can be selected thicker steel plate for use, improve the pressure that it bears greatly, realize the electric pressure cooking saucepan of real HTHP, the experiment proved that the 80-100KP that can reach traditional pressure cooker requirement.Pressure sensor sensed pressure sensitivity, the signal transmission is accurately quick, the no requirement (NR) of pressure sensor installation accuracy, so improve the production efficiency of complete machine greatly, security performance also is greatly enhanced, long service life.Outer courage can be realized automatic cooling decompression, and cooling is fast, loam cake can just can be realized opening safely in a short period of time.
Description of drawings
Fig. 1 is the structure diagram of embodiment;
Fig. 2 is the plane of sealing ring;
Fig. 3 is the A-A cutaway view.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment, in conjunction with Fig. 1 to Fig. 3, a kind of electric pressure cooking saucepan, comprise loam cake 1, sealing ring 2, O-ring seal 3, inner bag 4, outer courage 5, shell 6 and controller (not shown), O-ring seal 3 is a conjoined structure with sealing ring 2, and O-ring seal 3 is positioned at inner ring, and sealing ring 2 is positioned at the outer ring, O-ring seal 3 is provided with steam hole 7 with the junction of sealing ring 2, and sealing ring 2 and O-ring seal 3 are installed on the loam cake 1.Described loam cake 1 fastens back sealing ring 2 sealing loam cakes 1 and outer courage 5 with shell 6, and O-ring seal 3 is sealed and matched with inner bag 4.The steam of inner bag 4 enters outer courage 5 by steam hole 7, and the inside and outside wall of inner bag bears the pressure unanimity like this.
Outer courage is provided with pressure sensor 8 in 5 chambeies, and pressure sensor 8 is connected with controller.Outer courage 5 also is provided with steam pressure release valve 9, steam pressure release valve 9 outlets and 6 external connections of shell.
Bottom cavity between shell 6 and the outer courage 5 is provided with fan 10, and corresponding shell 6 bottom surfaces are provided with air inlet 11, and shell 6 ports are provided with air outlet 12.
Claims (5)
1. electric pressure cooking saucepan, comprise loam cake, sealing ring, inner bag, outer courage, shell and controller, sealing ring is installed in and covers, and it is characterized in that: described loam cake and shell fasten back sealing ring sealing loam cake and outer courage, are provided with the vapor communication device between outer courage and the inner bag.
2. require 1 described electric pressure cooking saucepan according to claim, it is characterized in that: described vapor communication device is O-ring seal, O-ring seal and sealing ring are conjoined structure, O-ring seal is positioned at figure, O-ring seal and inner bag are sealed and matched, sealing ring is positioned at the outer ring, and the junction of O-ring seal and sealing ring is provided with steam hole.
3. require 2 described electric pressure cooking saucepans according to claim, it is characterized in that: be provided with pressure sensor in the described outside lining cavity, pressure sensor is connected with controller.
4. require 3 described electric pressure cooking saucepans according to claim, it is characterized in that: described outer courage also is provided with steam pressure release valve, and the steam pressure release valve outlet is communicated with outward with shell body.
5. require 2 described electric pressure cooking saucepans according to claim, it is characterized in that: the bottom cavity between described shell and the outer courage is provided with fan, and corresponding shell bottom surface is provided with air inlet, and outer cover port is provided with air outlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007100925939A CN101108064A (en) | 2007-08-14 | 2007-08-14 | Electric pressure cooker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007100925939A CN101108064A (en) | 2007-08-14 | 2007-08-14 | Electric pressure cooker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101108064A true CN101108064A (en) | 2008-01-23 |
Family
ID=39040467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2007100925939A Pending CN101108064A (en) | 2007-08-14 | 2007-08-14 | Electric pressure cooker |
Country Status (1)
Country | Link |
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CN (1) | CN101108064A (en) |
Cited By (13)
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WO2010066153A1 (en) * | 2008-12-13 | 2010-06-17 | Jian Guang | Ceramic electric pressure cooker |
CN102210552A (en) * | 2011-04-29 | 2011-10-12 | 杨达开 | Intelligent electric pressure cooker |
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-
2007
- 2007-08-14 CN CNA2007100925939A patent/CN101108064A/en active Pending
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20080123 |
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C20 | Patent right or utility model deemed to be abandoned or is abandoned |