CN2450994Y - Micro computer control automatic limiting pressure electric pressure cooker - Google Patents

Abstract

The utility model relates to a micro computer control automatic limiting pressure electric pressure cooker, which is composed of a cooker cover, a sealing ring, an inner cooker, an outer cooker, an electric hot tray, etc. The utility model is characterized in that the micro computer control automatic limiting pressure electric pressure cooker also comprises a bottom cover, a dish-shaped elastic supporting disc, a temperature controller assembly, a control circuit board, a micro-switch, a pressure adjustment device, a switch assembly, an operation circuit board, exhaust and positioning locking mechanism arranged on the cooker cover, etc. A circle of inward flanges are arranged on the lower half part of a cooker body of the outer cooker for supporting the dish-shaped elastic supporting disc which is fixed to the flange of the outer cooker. The micro-witch is arranged at the bottom of the supporting disc. The contact point of the micro-witch is controlled by a pressure adjustment device fixed to the side wall of the outer cooker. The electric hot tray is fixed to the supporting disc. The utility model has the advantages of reasonable design, simple structure, easy fabrication, low cost, handiness, high safety, etc.

Description

A kind of microcomputerized control automatically pressure limiting electric pressure cooking saucepan

Existing electric pressure cooking saucepan mainly adopts double Shell, and as Chinese patent 97246005.58 disclosed a kind of double boiler bodies, the pot body is a monolithic molding, and after the inner housing bottom was provided with spring, the pot courage was located on the inner housing again; And Chinese patent 98224816.4 disclosed also be a kind of double boiler body, its pot body also is a monolithic molding, but at the bottom of the inner housing bottom then was provided with into the elasticity of corrugated tube shape, promptly the bottom was corrugated.Though one deck decorative shell, the stressed shell of one deck, the nexine shell all with the bottom of a pan as main beaer, but because the bottom of a pan of this structure is stressed limited, have in order to guarantee that the bottom of a pan can bear bigger pressure, then adopt the high-test metal material of thickening to make, have except that thickened material, also add a metal reinforcing plates in the bottom of a pan.Therefore, the structure more complicated, heaviness, manufacturing cost is higher, and the market price height is difficult to make general consumer to accept.

It is a kind of reasonable in design, simple in structure that the purpose of this utility model is to provide, and is easy to make, and cost is low, light and handy, safe and reliable microcomputerized control automatically pressure limiting electric pressure cooking saucepan.

The purpose of this utility model is achieved in that a kind of microcomputerized control automatically pressure limiting electric pressure cooking saucepan, and it is by pot cover, outer pot, interior pot, formations such as electric hot tray is characterized in that it also comprises dish-shaped elastic bearing dish, and parts such as microcomputer control circuit and pot cover venting and location locking mechanism are formed.Be provided with sealing ring between pot cover and the interior pot, at outer pot pot body Lower Half place, there is the inside flange bearing of a circle dish-shaped elastic bearing dish, electric hot tray is fixed on the supporting disk, microswitch is equipped with in the bottom of supporting disk, the outer pot sidewall is fixed with the pressure-regulating device that connects microswitch, between shell and the supporting disk microcomputer control circuit is housed, and the temperature controller assembly is equipped with at the electric hot tray center.

The utility model is between electric hot tray and the outer pot that meeting the dish-shaped elastic bearing dish that setting pressure requires with one is connected, when inner pot pressure constantly increases to when reaching preheating setting pressure, the elastic displacement of supporting disk orders about the microswitch action, cut off heating power supply, and pass the signal along to microcomputer control circuit, realize controlling pot inner pressure automatically and hotting plate process, in the time of can not cutting off the electricity supply as if or damage out of control when microswitch, pot inner pressure continues to increase, the elastic displacement of supporting disk increases, at this moment, and sealing ring in being located between pot and the pot cover and interior pot pot interruption-forming gap, safety is guaranteed in the steam discharge pressure release.

The drawing of accompanying drawing is described as follows:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a partial structurtes schematic diagram of the present utility model;

Fig. 3 A is a venting partial schematic diagram of the present utility model;

Fig. 3 B is the mode of operation partial schematic diagram of location locking mechanism of the present utility model

Fig. 4 A is the sealing state schematic diagram of the utility model sealing ring;

Fig. 4 B is the pressure release view of the utility model sealing ring.

The utility model will be further described below in conjunction with accompanying drawing:

The utility model shown in Fig. 1～2, by pot cover 1, sealing ring 2, interior pot 3, outer pot 4, electric hot tray 5, dish elastic bearing dish 6, temperature controller assembly 7, control circuit board 8, bottom 9, microswitch 10, pressure-regulating device 11, switch close assembly 12, and parts such as function circuit plate 13 and pot cover venting and location locking mechanism are formed.Pot cover 1 comprises that device has venting and location locking mechanism, sealing ring 2 is fixed on the pot cover by a plurality of locating buttons that are welded on 1 li on pot cover, after pot cover 1 covers with outer pot 4, pot 3 was in sealing state in sealing ring 2 bottom waveform peripheries between pot cover 1 and the interior pot 3 made, dish elastic bearing dish 6, be fixed on the inside flange of 4 pots of body Lower Halves of outer pot, one circle, fixedly connected electric hot tray 5 on the supporting disk 6, pot 3 in electric hot tray 5 is supporting, the temperature controller assembly 7 of pot 3 bottom temps in the electric hot tray center is equipped with and is used to detect, be connected control by being contained in supporting disk 6 bottoms with control circuit board 8 between the bottom 9, be fixed on and propped up the microswitch 10 that coils 6 bottoms, its contact is connected with the pressure-regulating device 11 that is fixed on outer pot 4 sidewalls, the displacement stroke of contact is set up according to the force value that interior pot 3 presets by the adjustment screw of pressure-regulating device, outer pot 4 lateral surfaces are equipped with switch and close assembly 12, switch closes assembly and 12 li function circuit plate 13 is housed, function circuit plate 13 is connected with control circuit board 8, and realizes the operation of hotting plate of this pot is controlled.

The utility model such as Fig. 2, shown in Fig. 3 A and the 3B, venting of installing on the pot cover and location locking mechanism, its handle 15 of uncapping is connected and fixed by the buckle position that is welded on the fork support 18 on the pot cover 1, pot cover check lock lever 16 is contained in uncaps between handle 15 and the pot cover 1, and insert in the locating hole of handle 14 lower end of check lock lever 16, and the upper end has that an oblong aperture and fork 17 1 ends are unsteady to be connected, swing with fork pumps, and plays the effect of locking pot cover.Fork 17 is connected with fork support 18 hinges, when venting button 19 moves when advising toward " venting " directions of arrow, fork 17 rotates around support 18, the end that fork 17 contacts with vent valve assembly 21, under the spool grave, steam is discharged through the vertical through hole of center spool from the cross through hole of spool bottom, realizes manual bleeding (seeing Fig. 3 A).When exitting button 19 past " closing " when the direction of arrow moves, fork spring 20 promotes forks 17 and lifts, and the fork other end depresses to check lock lever 16 simultaneously in the locating hole that inserts handle 14 and locks pot cover (seeing Fig. 3 B).

Venting that the utility model is provided with on pot cover (as Fig. 3 A) and location locking mechanism (as Fig. 3 B) except that as the exhaust and positioning and locking effect of pressure cooker, also can be realized the function of hotting plate of ordinary pan.When hotting plate function with ordinary pan, the venting button is in opening, and the microcomputer circuit automatic detection signal also changes the common program of hotting plate that presets over to.When selecting pressure cooker for use, the venting button is in closed condition, and the microcomputer circuit automatic detection signal also changes the pressure cooker program that presets over to.The different modes of hotting plate all can satisfy different mouthfeel people's demand.For example: like eating the people of hard rice, can select for use the ordinary pan function to cook, want to eat the people of the beautiful soup of slow fire, available ordinary pan is hotted plate function and is slowly stewed, and when wanting to boil soon or boil difficult prepared food thing, can select the pressure cooker function for use.

The utility model such as Fig. 4 A and 4B are the view that sealing encloses the effect of sealing and pressure release.Fig. 4 A represents, pot cover 1, and sealing ring 2, interior pot 3, the situation after outer pot 4 covers, at this moment, sealing ring 2 seals.Fig. 4 B represents; interior pot 3 after covering; under the effect of steam pressure; produce displacement downwards, after pot inner pressure surpassed the force value that presets, displacement constantly increased; to the waveform periphery that makes sealing ring 2 bottoms that are fixed on the pot cover 1; form the gap with interior pot 3 boiler ports after moving down, exhaust pressure relief plays safeguard protection.

During use, earlier the interior pot 3 that food is housed is put into outer pot 4, the pot cover 1 that sealing ring 2 will be housed is then built on the pot body, and the button 19 of will exitting is pushed into " cutting out " position, makes the location locking mechanism auto lock.The Push switch of connecting with the mains closes the function selector button on 12, control circuit board 8 is started working by the fixed program of hotting plate of elder generation, electric hot tray 5, internally pot 3 begins heating, and in heating process, pot inner pressure constantly increases, because pot cover 1 is the rigidity snapping with outer pot 4, interior pot 3, electric hot tray 5, dish-shaped elastic bearing dish 6 constitutes elastic bearings with outer pot 4, therefore, under the pressure effect in interior pot 3 pots, take off electro kinetic potential dish 5, supporting disk 6, microswitch 10 is to bottom offset, during pot presets in displacement reaches force value, be contained in the pressure-regulating device 11 on outer pot 4 sidewalls, the contact of microswitch 10 is disconnected, electric hot tray 5 dead electricity stop heating, the pressure that interior pot is 3 li stops to rise, and under the control of microcomputer circuit, realizes automatic pressurize and finishes the process of hotting plate.Pressure cooker, it is out of control or when damaging, pot inner pressure surpasses the force value that presets, and makes 3 pots of interruption-forming gaps of sealing ring 2 and interior pot to remove microswitch, outside the automatic vent pressure release, when normally hotting plate, no steam discharge in the pot.When selecting common hotting plate for use, the button 19 of then will exitting is pushed into " venting " position, and Push switch closes the function selector button on 12, and computer circuits is started working by selected program, finishes the process of hotting plate automatically.

The utility model has following advantage compared to existing technology: reasonable in design, simple in structure, Be easy to make, cost is low, and is light and handy, safe etc.

Claims (4)

1, a kind of microcomputerized control automatically pressure limiting electric pressure cooking saucepan, by pot cover (1), sealing ring (2), interior pot (3), outer pot (4), electric hot tray formations such as (5) is characterized in that it also comprises bottom (9), dish-shaped elastic bearing dish (6), temperature controller assembly (7), control circuit board (8), microswitch (10), pressure-regulating device (11), switch closes assembly (12), compositions such as function circuit plate (13) and venting and the location locking mechanism of device on pot cover (1), described outer pot (a 4) pot body Lower Half place has one to enclose inside flange (23), is used to support dish-shaped elastic bearing dish (6); Be fixed with dish-shaped elastic bearing dish (6) on the flange (23) of outer pot (4), microswitch (10) is equipped with in the bottom of supporting disk (6), the contact of microswitch (10) is fixed with electric hot tray (5) by pressure regulation device (11) control that is fixed on outer pot (4) sidewall on the supporting disk (6).

2, microcomputerized control automatically pressure limiting electric pressure cooking saucepan according to claim 1 is characterized in that being equipped with on the pot cover (1) handle of uncapping (15), positioning and locking bar (16), fork (17), fork support (18), venting button (19), fork spring (20) and vent valve assembly (21).

3, microcomputerized control automatically pressure limiting electric pressure cooking saucepan according to claim 1, it is characterized in that being contained in pot cover (1), to go up sealing ring (2) lower periphery that contact with interior pot (3) be the even distribution of wave-like (25).

4, microcomputerized control automatically pressure limiting electric pressure cooking saucepan according to claim 2, button (19) is characterized in that exitting, when being in the culinary art of " venting " position, the computer circuits automatic detection signal also changes ordinary pan over to and hots plate program, when venting button (19) is in " cutting out " position when culinary art, the computer circuits automatic detection signal also changes pressure cooker over to and hots plate program.

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