CN2055011U - Automatic, electric pressure cookers charactrised by adjustable pressure and preservable steam - Google Patents
Automatic, electric pressure cookers charactrised by adjustable pressure and preservable steam Download PDFInfo
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- CN2055011U CN2055011U CN 89207942 CN89207942U CN2055011U CN 2055011 U CN2055011 U CN 2055011U CN 89207942 CN89207942 CN 89207942 CN 89207942 U CN89207942 U CN 89207942U CN 2055011 U CN2055011 U CN 2055011U
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Abstract
The utility model discloses an automatic, electric pressure cooker characterized in adjustable pressure and preservable steam, which comprises a cooker lid, a cooker body, a sealing ring, a safety steam valve (plug), a casing and an electric heating apparatus. The electric heating comprises a temperature control apparatus which controls the heating temperature, and therefore, the working steam pressure in the electric pressure cooker is controlled. The electric pressure cooker characterized in adjustable pressure and preservable steam is characterized in that the control apparatus of adjustable pressure and preservable steam is formed by the combination of the temperature control apparatus and a temperature adjusting apparatus, which makes the working steam pressure of the electric pressure cooker adjustable. Besides, the electric pressure cooker characterized in adjustable pressure and preservable steam can work under the state of preservable steam within the range of a higher safety steam pressure. The utility model has the advantages of simple device, high reliability, good effect of energy saving and working time saving, which is particularly suitable for electric heating utensils of cooking, sterilization, etc.
Description
The utility model relates to the architecture advances of automatic electric heating electric pressure cooking saucepan.
Existing electric pressure cooking saucepan is to adopt level pressure steam discharge method to carry out work, it generally has one can make the pressure cooker steam working pressure (SWP) keep constant pressure limiting valve, when the steam in the pot met or exceeded operating pressure, pressure limiting valve was worked under the level pressure power of top to guarantee pressure cooker promptly by the jack-up steam discharge.It has been generally acknowledged that the level pressure steam discharge is that the pressure cooker trouble free service is requisite.But the cost that causes thus is scattering and disappearing of a large amount of vapours, and energy consumption is increased.The working steam of simultaneously existing pressure cooker control is pressed and is fixed, and can not regulate according to different needs of work, and its range of application is restricted, and particularly to making the electric pressure cooking saucepan of culinary art usefulness, the user feels inconvenience to this.
The purpose of this utility model is to avoiding above-mentioned the deficiencies in the prior art to propose vapour pressure in a kind of novel pot regulated and protecting the vapour auto-electronic pressure cooker in the pressure regulation that the safety steam pressure is protected vapour (promptly not steam discharge) work down.
Structure of the present utility model comprises pot cover, pot body, sealing ring, safety valve (plug), shell and electric calorifie installation, has temperature control equipment in the electric calorifie installation, is used to control the working steam pressure of heating-up temperature and then control electric pressure cooking saucepan.Characteristics of the present invention are that temperature control equipment combines the composition pressure regulation and protects the vapour control device with a register, a working steam forces down in security personnel's exhaust pressure of each steam valve (plug) in the pot that this pressure regulation guarantor vapour control device is regulated and control, has certain corresponding relation according to steam pressure in the electric pressure cooking saucepan and temperature, register can be regulated the temperature that requires control on demand in safe range, make electric pressure cooking saucepan under the steam pressure of needs, carry out work, because this working steam forces down in security personnel's exhaust pressure of each exhaust steam valve (plug), electric pressure cooking saucepan can be in all the time protect the work down of vapour state simultaneously.
Needs and safe requirement according to real work, a working steam is pressed and can be designed the security personnel's steam discharge pressure 50kpa to 150kpa that is lower than each steam valve (plug) in the pot that pressure regulation guarantor vapour control device is regulated and control, and the Regulation Control device can be 20kpa-250kpa to the modification scope of working steam pressure in the pot.
The vapour control device is protected in pressure regulation of the present utility model can adopt multiple version, and its temperature control equipment can be the ferrite formula thermostat of by switch lever connection and support, and perhaps switch lever is positioned at the double-metal sheet type thermostat of bimetal leaf deformation range.Ferrite formula thermostat comprises and is close at the bottom of the electric pressure cooking saucepan or the temperature-sensitive ferrite and the permanent magnet interactional with it of heat-conducting plate, before the temperature of electric pressure cooking saucepan reaches the Curie-point temperature of temperature-sensitive ferrite, the temperature-sensitive ferrite has magnetic, hold permanent magnet, when electric pressure cooking saucepan reaches the residence point temperature of temperature-sensitive ferrite, the temperature-sensitive ferrite loses magnetism, permanent magnet is subjected to effect trippings such as gravity and spring force, drive switch lever and rush open corresponding contact switch, cut off the electricity supply, reach the temperature control purpose.The register of this ferrite formula thermostat is to be contained in the regulating spring or the adjustment (adjusting) lever of the temperature-sensitive regulated ferrite on the switch lever and permanent magnet interaction force or to regulate wheel shaft or other similar adjusting devices.According near temperature-sensitive ferrite magnetic disappearance process Curie-point temperature one section change curve is arranged,, can regulate the temperature that permanent magnet breaks away from the temperature-sensitive ferrite within the specific limits, thereby reach the temperature adjustment purpose by above-mentioned each governor motion.The double-metal sheet type thermostat is subjected to the thermal deformation degree to control temperature by the bimetal leaf of induced electricity pressure pot heat-conducting plate temperature, when electric pressure cooking saucepan reaches the predetermined control temperature, bimetal leaf deformation degree is the pull switch lever action just in time, rush open corresponding contact switch, cut off the electricity supply, reach the temperature control purpose.The register of double-metal sheet type thermostat can be the adjustment (adjusting) lever of regulating this switch lever and bimetal leaf relative position that is contained on the switch lever or regulates wheel shaft or other similar adjusting devices, adjustment (adjusting) lever or adjusting wheel shaft link to each other with switch lever by the magnetic effect, thereby when pulling adjustment (adjusting) lever or rotate to regulate wheel shaft when changing its position, adjustment (adjusting) lever or adjusting wheel shaft drive the relative position of switch lever change and bimetal leaf, make bimetal leaf could produce the temperature control action by the pull switch lever, thereby reach the purpose of temperature adjustment with corresponding different deformation (corresponding to different electric pressure cooking saucepan temperature).
The register of double-metal sheet type thermostat also can be made of the regulating spring that is contained on the switch lever, the relative position of fulcrum can change bimetal leaf and makes switch lever fall required deflection on axis by regulate changing regulating spring and the switch lever, thus the temperature that change is controlled.Its course of action is: when the bimetal leaf temperature distortion, the pull switch lever, make the axis of regulating spring move closer to the fulcrum of switch lever, axis until regulating spring is crossed fulcrum, switch lever breaks away from bimetal leaf and falls just under the pulling force effect of regulating spring, rushes open contact switch, cut off the electricity supply, reach the purpose of temperature control.
Above-mentioned all kinds of register (comprising the register of ferrite formula thermostat and the register of double-metal sheet type thermostat) can be by being contained in feather key (relative adjustment spring) or push-key (with respect to adjustment (adjusting) lever) or turn-knob (with respect to regulating wheel shaft) the control temperature of recruiting and then pot interior working steam pressure of recruiting on the electric pressure cooking saucepan panel.On panel, can scribe corresponding temperature adjustment (or pressure regulation) scale.
Above-mentioned ferrite formula thermostat can have the bottom of a pan to conduct heat or two kinds of forms of heat-conducting plate heat transfer, and its temperature-sensitive magnet (being the temperature-sensitive ferrite) can be tightened to the bottom of a pan or heat-conducting plate with it in advance by pushing against spring, also can be fixed in heat-conducting plate by screw.The double-metal sheet type thermostat then generally adopts the heat-conducting plate heat transfer type.
Be contained in pot cover safety valve (plug), can select the various steam-operating formula safety valves (plug) of existing pressure cooker for use.The utility model proposes a kind of more suitable multifunctional comprehensive safety valve (as Fig. 1 or Fig. 2), it is combined with fuse sheet by the porthole that can regulate exhaust steam pressure, comprise valve seat (5) with exhaust hole, porthole (6) can be sealed the exhaust hole of valve seat (5) by spring (10) and look nut (9) spinning, porthole (6) has a centre porosity with internal thread, wherein by cored screw (7) and the tight fuse sheet of hollow bolt (3) press seal (11), cored screw (7) one ends stretch out outside the look nut (9), and a steam bleeding handgrip (8) is housed, valve seat (5) can be fixed on the pot cover hole by valve seat nut (4), this comprehensive safety valve has following function, the pressure that first envelope is pushed down the porthole (6) of valve seat exhaust hole can be changed by the elastic force of rotation nut (9) regulating spring (10), thereby the security personnel's steam discharge that can regulate porthole (6) is as required pressed; It two is that superpressure is not during steam discharge for some reason when vapour pressure, and fuse sheet can play the secondary safety effect.The function (being undertaken) that also has manual steam bleeding by steam bleeding handgrip (8).
Protect for improving vapour and energy-saving effect, the utility model also can be taked following insulation measure: outside pot cover, inlay insulation cladding, fill out in the enclosure apply heat-insulation layer or directly outside the pot body, inlay muff and (or) at heat-conducting plate periphery and bottom surface pad insulating layer.
The bottom shape of electric pressure cooking saucepan pot body can be the concave bottom formula, can be made into sunken bottom formula (evagination curved surface shaped) especially.This helps improving the strength and stiffness in the bottom of a pan, also applicable to frying in shallow oil, iron and stir-fry etc.
The utility model is owing to adopt the pressure regulation temperature preservation control device, make electric pressure cooking saucepan depress and can work in protecting under the vapour state under than higher safe vapour pressure at the working steam of needs, can help saves energy, shorten working hours, and, also helping the purification working environment owing to do not adopt the steam discharge pressure limiting valve, the utility model attemperating unit is simple in structure, reliable operation provides guarantee for the trouble free service of electric pressure cooking saucepan.The utility model is particularly suitable for as cooking apparatus, can also be as High pressure steam sterilizer.
State embodiment of the present utility model below in conjunction with accompanying drawing is auspicious:
It is that vapour auto-electronic pressure cooker structure chart is protected in the pressure regulation that ferrite formula thermostat combines with the spring register that Fig. 1 protects the vapour control device for a kind of pressure regulation;
Fig. 2 protects the structure chart that the vapour control device is the pressure regulation guarantor vapour auto-electronic pressure cooker that combines with adjustment (adjusting) lever formula register of ferrite formula thermostat for a kind of pressure regulation;
Fig. 3～Fig. 6 is that the temperature regulating device of four kinds of different types is the pressure regulation guarantor vapour control device structure diagram of ferrite formula thermostat;
The temperature regulating device that Fig. 7～Fig. 9 is respectively three kinds of different types is the pressure regulation guarantor vapour control device structure diagram of double-metal sheet type thermostat.
Embodiment one (as Fig. 1)
This pressure regulation is protected the vapour auto-electronic pressure cooker and is comprised pot cover (12), trapezoidal pot body (19), seal with sealing ring (14) between pot cover and the pot body, and can the engagement of pot tooth lock, be equipped with on the pot cover by valve seat (5), valve seat nut (4), porthole (6), cored screw (7), hollow bolt (3), fuse sheet (11), look nut (9), spring (10), the comprehensive safety valve that steam bleeding handgrip (8) etc. are formed, handgrip (15) is equipped with on the pot cover limit, pot cover face edge insulation cladding (13), shell (20) lining heat-insulation layer (21), both sides are loaded handgrip (16) and Bar end (1) respectively, water proof ring (2) is being inlayed in the upper end of shell and heat-insulation layer thereof, the locating slot at the alignment pin (17) that is fixed in shell and pot body ladder place is fit mutually, pot body ladder place can put and steam frame (18), its electric calorifie installation comprises electrothermal tube (22), heat-conducting plate (23), the temperature regulating device that the vapour control device is protected in pressure regulation is to comprise temperature-sensitive ferrite (26), permanent magnet (27), push against spring (24), operating spring (25), pull bar (28), switch lever (29), the ferrite formula thermostat that switch key (33) and contact switch (31) etc. are formed, register is formed by being contained in regulating spring (31) on the switch lever (29) and the adjusting feather key on the panel, can press by working steam in 20kpa to 250kpa scope inner control electric pressure cooking saucepan.(35) be the feather key slideway with temperature adjustment (or pressure regulation) scale, (32) are supply sockets.Present embodiment is a bottom of a pan heat transfer type.
Embodiment two (as Fig. 2)
Present embodiment pot cover, pot body, safety valve are partly basic identical with embodiment one, comprise pot cover (12), pot cover heat-insulation layer (13), sealing ring (14), pot cover handgrip (15), comprehensive safety valve (3～11), pot skill are (16) and Bar end (1), the main distinction is that a pot body (36) the bottom of a pan is a convex, the muff (37) of the outer edge of pot body reaches the bottom of a pan minimum point, so that placing on platform after the pressure cooker taking-up.Electric calorifie installation comprises electrothermal tube (22), heat-conducting plate (40), and the periphery of heat-conducting plate and bottom surface are lined with heat-insulation layer (39), and heat-insulation layer is supported by base (38).The temperature regulating device that the vapour control device is protected in pressure regulation comprises the temperature-sensitive ferrite (41) that is screwed on heat-conducting plate, permanent magnet (42), directly the supporting permanent magnet switch lever (43) and with the corresponding contact switch of switch lever (45), switch key (44), register is the adjustment (adjusting) lever (46) that is contained on the switch lever, adjustment (adjusting) lever is regulated by the adjusting push-key (47) on the scale panel (48) that is contained in temperature adjustment (or pressure regulation) scale, the operating switch push-key, but adjustment (adjusting) lever pressing switch lever moves, thereby change the active force between temperature-sensitive ferrite (41) and the permanent magnet (42), play the effect of regulating the control temperature.(32) be supply socket.
Embodiment three
Present embodiment changes into by adjustment (adjusting) lever that heads on switch lever (29) (49) and the adjusting push-key (50) that is contained in the scale plate (51) and constituting for pressure regulation in " embodiment one " being protected regulating spring formula register in the vapour control device.As shown in Figure 3.
Embodiment four
The regulating spring formula device that present embodiment is protected in the vapour control device for pressure regulation in " embodiment one " changes into by adjusting turn-knob (56) formation of regulating wheel shaft (55) and can rotate in scale plate (57), as shown in Figure 5.Regulate wheel shaft (55) and drive an eccentric wheel by a rotating shaft, eccentric wheel heads on switch lever (29), change the interaction force of temperature-sensitive ferrite and permanent magnet so rotation adjusting wheel shaft can drive the switch lever displacement, play the effect of regulating the control temperature.
Embodiment five
Present embodiment changes into by being contained in the regulating spring (52) on the switch lever (43) and being contained in adjusting feather key (53) formation of scale plate (54) for will the pressure regulation in " embodiment two " protecting adjustment (adjusting) lever formula register in the vapour control device.As shown in Figure 4.
Embodiment six
Present embodiment constitutes for the adjustment (adjusting) lever formula register in the pressure regulation guarantor vapour control device in " embodiment two " changes into by the adjusting turn-knob (59) of regulating wheel shaft (58) and be contained on the scale plate (60), as shown in Figure 6.
Embodiment seven
The pot cover of present embodiment, the pot body, electric calorifie installation, the safety valve part can be identical with " embodiment one " or " embodiment two ", the temperature regulating device that vapour control device part is protected in its pressure regulation comprises the bimetal leaf (61) that is fastened on the heat-conducting plate (76), the switch lever of bimetal leaf bottom (62) (fulcrum of switch lever (62) is (77)) switch key (64) and corresponding with it contact switch (63), its register can serve as reasons adjusting feather key (66) on being contained in the regulating spring (65) on the switch lever (62) and being contained in scale plate (67) constitute (as shown in Figure 7) or by the adjustment (adjusting) lever (70) that attracts mutually by magnet (68) (being contained on the switch lever (62)) with switch lever (62) and be contained on the scale plate (72) adjusting push-key (71) formation (as shown in Figure 8) or by the adjusting wheel shaft (73) that attracts mutually by magnet (68) with switch lever be contained in adjusting turn-knob (74) formation (as shown in Figure 9) on the scale plate (75).
Claims (6)
1, a kind of auto-electronic pressure cooker, auto-electronic pressure cooker especially for culinary art, comprise pot cover, pot body, sealing ring, safe steam valve (plug), shell and electric calorifie installation, have the temperature control equipment that working steam is pressed in control heating-up temperature and then the control electric pressure cooking saucepan in the electric calorifie installation, it is characterized in that temperature control equipment combines the composition pressure regulation and protects the vapour control device with a register.
2, by the described auto-electronic pressure cooker of claim 1, it is characterized in that said temperature control equipment is the ferrite formula thermostat by switch lever connects and support, perhaps switch lever is positioned at the double-metal sheet type thermostat of bimetal leaf deformation effect scope, the register of ferrite formula thermostat is the regulating spring or the adjustment (adjusting) lever of temperature-sensitive ferrite in the ferrite the regulated formula thermostat that is contained on the switch lever and permanent magnet interaction force or regulates wheel shaft or other similar adjusting devices, adjustment (adjusting) lever or adjusting wheel shaft or other the similar adjusting device of the register of double-metal sheet type thermostat for regulating switch lever and bimetal leaf relative position is perhaps for being contained in the regulating spring that can regulate its axis and switch lever fulcrum relative position on the switch lever.
3,, it is characterized in that in the said metal chip thermostat, as the adjustment (adjusting) lever of register or regulate wheel shaft and link to each other with switch lever by the magnetic effect by the described auto-electronic pressure cooker of claim 3.
4,, it is characterized in that said all kinds of register is by being contained in feather key on the electric pressure cooking saucepan panel or push-key or turn-knob recruit a control temperature and then the interior working steam pressure of the pot of recruiting by claim 1 or 3 described auto-electronic pressure cookers.
5, by the described electric pressure cooking saucepan of claim 3, it is characterized in that ferrite formula thermostat can be the bottom of a pan and conducts heat, also can be heat-conducting plate and conduct heat, its temperature-sensitive ferrite can hold out against the bottom of a pan or heat-conducting plate with it by pushing against spring, also can be fixed in heat-conducting plate by screw.
6, by the described auto-electronic pressure cooker of claim 1, it is characterized in that the comprehensive safety valve that said safe steam valve adopts the porthole that can regulate exhaust steam pressure to combine with fuse sheet, this comprehensive safety valve comprises the valve seat (5) with exhaust hole, porthole (6) is sealed the exhaust hole of valve seat by spring (10) and look nut (9) spinning, porthole (6) has a centre porosity with internal thread, by hollow spiral shell stalk (7) and hollow bolt (3) therein fuse sheet (11) press seal, cored screw (7) one ends stretch out outside the nut (9), and a steam bleeding handgrip (8) is housed, valve seat (5) can be fixed on the pot cover hole by valve seat nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207942 CN2055011U (en) | 1989-05-24 | 1989-05-24 | Automatic, electric pressure cookers charactrised by adjustable pressure and preservable steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207942 CN2055011U (en) | 1989-05-24 | 1989-05-24 | Automatic, electric pressure cookers charactrised by adjustable pressure and preservable steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2055011U true CN2055011U (en) | 1990-03-28 |
Family
ID=4864709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89207942 Withdrawn CN2055011U (en) | 1989-05-24 | 1989-05-24 | Automatic, electric pressure cookers charactrised by adjustable pressure and preservable steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2055011U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901220A (en) * | 2017-03-02 | 2017-06-30 | 嘉兴市天篷农业休闲有限公司 | A kind of preparation method of concentrated chicken-juice |
| CN110522314A (en) * | 2018-05-24 | 2019-12-03 | 九阳股份有限公司 | A kind of cooking apparatus |
| CN114343424A (en) * | 2022-01-18 | 2022-04-15 | 朱晓晨 | Household electric cooker |
-
1989
- 1989-05-24 CN CN 89207942 patent/CN2055011U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901220A (en) * | 2017-03-02 | 2017-06-30 | 嘉兴市天篷农业休闲有限公司 | A kind of preparation method of concentrated chicken-juice |
| CN110522314A (en) * | 2018-05-24 | 2019-12-03 | 九阳股份有限公司 | A kind of cooking apparatus |
| CN110522314B (en) * | 2018-05-24 | 2022-05-03 | 九阳股份有限公司 | Cooking utensil |
| CN114343424A (en) * | 2022-01-18 | 2022-04-15 | 朱晓晨 | Household electric cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |