CN204909047U - Electric pressure cooker who bled in area - Google Patents

Electric pressure cooker who bled in area Download PDF

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Publication number
CN204909047U
CN204909047U CN201520679157.1U CN201520679157U CN204909047U CN 204909047 U CN204909047 U CN 204909047U CN 201520679157 U CN201520679157 U CN 201520679157U CN 204909047 U CN204909047 U CN 204909047U
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CN
China
Prior art keywords
pot
cover
seal ring
inner cap
interior
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Expired - Fee Related
Application number
CN201520679157.1U
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Chinese (zh)
Inventor
张子石
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Lingnan Normal University
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Lingnan Normal University
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Priority to CN201520679157.1U priority Critical patent/CN204909047U/en
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Publication of CN204909047U publication Critical patent/CN204909047U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to an electric pressure cooker technical field discloses an electric pressure cooker who bled in area, including pot a body, outer pot, interior pot, pot cover, control circuit, operation button, wherein the outer pot supports internally at the pot, and the pot cover includes enclosing cover and inner cup, and in the enclosing cover was arranged in to the inner cup, the rotatory lock of enclosing cover was on the outer pot, on including the inner cup knot pot, the sealing washer of pot and inner cup in sealed when being equipped with in the pot to negative pressure between inner cup and the interior pot, the pot is internal be equipped with take out in the pot gaseous air exhaust device cover in, be equipped with be used for detecting in pot gas temperature's inside temperature -detecting device, be equipped with the outside temperature -detecting device who is used for detecting external environment temperature on pot personally experiencing sth. Part of the body. The utility model discloses having surplus food need keep fresh the time in the pot, starting air exhaust device, take the residual air in the pot out, the sealing washer is in an encapsulated situation in making the pot, and the outside air is unable to be got into, reaches surplus food fresh -keeping purpose for a long time, need not the user and will remain food and pour fresh -keepingly separately, has made things convenient for user's use greatly.

Description

The electric pressure cooking saucepan that a kind of band is bled
Technical field
The utility model relates to electric pressure cooking saucepan technical field, more specifically relates to the electric pressure cooking saucepan that a kind of band is bled.
Background technology
Electric pressure cooking saucepan adopts electric hot tray to heat, and mode of heating is energy-efficient, and handling safety is reliable.From market manifestation, it instead of conventional pressure pot gradually.Electric pressure cooking saucepan is the upgrading products of optimizing integration of traditional pressure cooker and electric cooker, it has gathered the advantage of pressure cooker and electric cooker, electric energy is used to heat under the state sealed in pot, not only environmental protection but also convenient and swift, many-sided culinary art needs can be met, and the automatic-cooking of various modes is realized by Intelligent control circuit system, it is energy-conservation, quick, the characteristic of environmental protection is the direction that modern pursues.
Along with enriching of people's material conditions; sometimes user uses electric pressure cooking saucepan cooking food more; often some foods can be remained in pot after edible; throw away these foods and can think that some is wasted; if be placed in pot always; owing to remaining oxygen in pot; and the pot external and internal pressure sealing ring that causes in a basic balance cannot seal completely; air can free flow; within several hours, also easily cause food spoilage or stale and lose the original taste of food even if preserve, carry out sealing preserve or cold fresh preservation so generally can pour out.Two kinds of store methods all need food to pour out, and also need food to pour in pot to heat when again eating, especially cold fresh preservation needs to consume more energy heat food again, makes troubles to the use of user again.
Need a kind of electric pressure cooking saucepan can extracting residual air in pot out for this reason, after extracting residual air out, also will keep sealing in pot.
Utility model content
The utility model, for solving above-mentioned deficiency of the prior art, devises the electric pressure cooking saucepan that a kind of band is bled.
The utility model is achieved through the following technical solutions above-mentioned purpose.
The electric pressure cooking saucepan that band is bled, comprises a pot body, outer pot, interior pot, pot cover, control circuit, operation push-button, and wherein outer pot is supported in pot body, interior pot is placed in outer pot, and pot cover comprises enclosing cover and inner cap, and inner cap is placed in enclosing cover, enclosing cover is rotatablely fastened on outer pot, and inner cap is buckled on interior pot; The sealing ring for pot and inner cap in sealing during negative pressure state in pot is provided with between inner cap and interior pot, the air extractor of gas in pot in extracting out is provided with in pot body, inside cover the internal temperature checkout gear be provided with for detecting gas temperature inside interior pot, pot body is provided with the external temperature detecting device for detecting ambient temperature.
Existing electric pressure cooking saucepan principle is identical when heating cooking with on the market for electric pressure cooking saucepan in this programme.When there being leftover to need fresh-keeping in pot, cover pot cover, start air extractor, extract the residual air in pot out, pot inner pressure diminishes simultaneously, and sealing ring makes to be in sealing state in pot, outside air cannot enter, reach the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
As further improvement, above-mentioned interior pot top extends outward a circle flange, the outer of flange extends a circle flanging straight down, above-mentioned sealing ring comprises inner seal ring and exterior seal ring, in the bottom laminating of inner seal ring inside pot, inside the top laminating inner cap of inner seal ring, outside the flanging of the interior pot of exterior seal ring lower inside laminating, inside exterior seal ring top laminating inner cap; Above-mentioned air extractor is minipump; Inside cover and be connected with flexible pipe, the sealing of flexible pipe one end is communicated to inside inner cap, and the other end is communicated to minipump.Exterior seal ring in this programme, flexible pipe and minipump be the sealing property of disintegration voltage power pot and the protective effect of other safety device not.When heating cooking, minipump shutoff flexible pipe, pot inner pressure can not from hose pressure release.Cause interior pot to move down when pot inner pressure is excessive, high steam sprays between inner seal ring and interior pot, then also can wash exterior seal ring open to carry out pressure release, and therefore exterior seal ring does not have the original overpressure protection performance of disintegration voltage power pot yet.When there being leftover to need fresh-keeping in pot, cover pot cover, start minipump, extract the residual air in pot out, pot inner pressure diminishes simultaneously, ambient pressure makes exterior seal ring be close to outside the flanging of interior pot, make to be in sealing state in pot, outside air cannot enter, and reaches the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
The control method of bleeding of the electric pressure cooking saucepan that above-mentioned band is bled is as follows:
In S1, detection, inside pot, gas temperature angle value is T1 degree Celsius, and detecting ambient temperature value is T2 degree Celsius;
S2, detect two temperature values are carried out subtraction draw difference in step S1, if the absolute value of difference is less than difference K degree Celsius decided at the higher level but not officially announced, start air extractor, air extractor stops after running M minute running time first decided at the higher level but not officially announced, performs step S3;
If the absolute value of difference is greater than or equal to difference K degree Celsius decided at the higher level but not officially announced, can not air extractor be started and perform step S1 and S2 successively again after waiting for stand-by period X decided at the higher level but not officially announced minute;
S3, after preset interval time N minute, air extractor runs after the P minute circular flow time decided at the higher level but not officially announced and stops;
S4, step S3 circulation performs preset times H rear circuit disconnecting air extractor.
Because under atmospheric environment, negative pressure is limited, high pressure is unlimited in theory, so negative-pressure sealing can not image height means of press seals can provide like that very large pressure to sealing ring is sealed very tight, if want that obtaining good negative-pressure sealing effect needs air extractor to keep running always, but so consume electric energy very much, some is lost more than gain, this programme is started and a kind ofly can be interrupted the method for bleeding for this reason, both can save electric energy, fresh-keeping effect of well bleeding can be obtained again.First to detect temperature in interior pot and environment temperature and compare, if temperature gap is large, illustrate that the food temperature in pot is higher, now bleed, moisture in food can be vaporized out and be made the air pressure in interior pot increase, may seal failure be caused, food also can be made simultaneously to become dry and affect mouthfeel.When equitemperature difference is less, air extractor is run at interval again, to keep negative pressure state in pot as far as possible, namely keeps sealing state in pot, avoids outside air to enter, and then food and extend fresh keeping time.
Above-mentioned preset interval time N and preset times H is all set by operation push-button, and the scope of preset interval time N is 30 ~ 90, and preset interval time N is the integral multiple of 10, and the scope of preset times H is 1 ~ 10.Daily life is generally three meals in a day, so be generally half a day or one day interval time, number range in this programme can ensure that negative-pressure sealing state maintains one hour to tens hours, can meet daily need, simultaneously preset interval time N be 10 integral multiple facilitate user to set.
The scope of above-mentioned difference K decided at the higher level but not officially announced is 5 ~ 10, and above-mentioned running time first decided at the higher level but not officially announced, the scope of M was 3 ~ 5, and the scope of above-mentioned stand-by period X decided at the higher level but not officially announced is 10 ~ 30, and the scope of above-mentioned circular flow time P decided at the higher level but not officially announced is 1 ~ 2.Pressure when running air extractor first in interior pot equals or a little more than environmental pressure, air extractor needs the time run longlyer just can reach vacuum effect for this reason, pressure again during operation air extractor in interior pot has been negative pressure, just can continue to reduce the pressure in interior pot so can run the short period; Stand-by period X decided at the higher level but not officially announced can carry out Default Value according to region difference, makes this method better be applicable to the environment that electric pressure cooking saucepan makes land used.
Also comprise step S01 before above-mentioned step S1: perform step S1 after waiting for first stand-by period Y minute decided at the higher level but not officially announced, wherein the scope of first stand-by period Y decided at the higher level but not officially announced is 10 ~ 30.First wait for a period of time before above-mentioned method performs, after the temperature stabilization in interior pot, perform said method again, the number of times of detected temperatures can be reduced, thus save electric energy further.
The utility model compared with prior art mainly has following beneficial effect: start air extractor when there being leftover to need fresh-keeping in pot, extract the residual air in pot out, pot inner pressure diminishes simultaneously, outside air cannot enter, reach the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user; Air extractor need not be run always, save electric energy, fresh-keeping effect of well bleeding can be obtained, be user-friendly to.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the electric pressure cooking saucepan in the utility model embodiment.
Fig. 2 is the cross-sectional view of interior pot in the utility model embodiment.
Fig. 3 is the cross-sectional structure schematic diagram of inner seal ring in the utility model embodiment.
Fig. 4 is the partial enlargement structural representation at K place in Fig. 1.
Fig. 5 is the step block diagram of control method of bleeding in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
In order to more succinct explanation the present embodiment, in accompanying drawing or explanation, some well known to a person skilled in the art but can omit to some extent with the incoherent parts of the main contents of this creation.In addition for ease of statement, in accompanying drawing, some parts has omission, zooms in or out, but does not represent size or the entire infrastructure of actual product.
Embodiment:
As shown in Figure 1, a kind of pot cover is hinged on by cantilever the electric pressure cooking saucepan that the band on pot body bleeds, comprise pot body 11, enclosing cover 12, inner cap 13, outer pot 14, interior pot 15, wherein outer pot 14 is supported in pot body 11, interior pot 15 is placed in outer pot 14, inner cap 13 is placed in enclosing cover 12, enclosing cover 12 is rotatablely fastened on outer pot 14, inner cap 13 is fastened on interior pot 15, inner seal ring 16 and exterior seal ring 17 is provided with between inner cap 13 and interior pot 15, inner cap 13 is connected with flexible pipe 18, in pot body 11, is provided with minipump 19.The sealing of flexible pipe 18 one end is communicated to inside inner cap 13, and the other end is communicated to minipump 19.
Electric pressure cooking saucepan in the present embodiment also comprises control circuit and operation push-button (not shown), inner cap 13 is provided with the internal temperature sensor 21 for detecting gas temperature inside interior pot 15, pot body 11 is provided with the external temperature sensor 22 for detecting ambient temperature, operation push-button, internal temperature sensor 21, external temperature sensor 22 are all connected with control circuit.
As shown in Figure 2, interior pot 15 top outwards also extends a circle flange 151 obliquely, and the flange 151 of inclination is conducive to the laminating of inner seal ring 16, and the outer of flange 151 extends a circle flanging 152 straight down.
As shown in Figure 3, inner seal ring 16 is inverted " people " font and comprises upper labial plate 161 and labial plate 162.
As shown in Figure 4, labial plate 162 is fitted in inside flange 151, and upper labial plate 161 to be fitted in inside inner cap 13 and to be fixed on inner cap 13.
Exterior seal ring 17 lower inside, for vertically circular and be fitted in outside flanging 152, is fixed on inner cap 13 inside exterior seal ring top laminating inner cap 13.
In the present embodiment, the thickness of exterior seal ring 17 is 2mm, when pot inner pressure reduces, ensure that extraneous normal ambient pressure can make exterior seal ring 17 be close to outside flanging 152, make to be in sealing state in pot, if the too thick meeting of the thickness of exterior seal ring 17 offsets normal ambient pressure under its own resilient, but also can increase cost; If the thickness of exterior seal ring 17 is too thin, easily causes exterior seal ring 17 to be out of shape during fastening, cannot sealing effectiveness be obtained.
In the present embodiment, exterior seal ring 17 be highly 8mm with the laminating of flanging 152, and excessive height of herein fitting is unfavorable for that fastening operate, fit highly too shortly may to cause in exterior seal ring 17 edge on recessed interior pot and be out of shape generation gap, is unfavorable for sealing.
If the lower edge of exterior seal ring 17 exceedes flanging 152 times edges, the part exceeded inwardly may be shunk and be caused inner cap 13 not easily to be opened under ambient pressure effect, and therefore in the present embodiment, the lower edge of exterior seal ring 17 is no more than flanging 152 times edges.
Existing electric pressure cooking saucepan principle is identical when heating cooking with on the market for electric pressure cooking saucepan in the present embodiment, the exterior seal ring 17 of increase, flexible pipe 18 and the minipump 19 not sealing property of disintegration voltage power pot and the protective effect of other safety device.When heating cooking, pot inner pressure can not from flexible pipe 18 pressure release; Cause interior pot 15 to move down when pot inner pressure is excessive, high steam sprays between inner seal ring 16 and interior pot 15, and then can wash exterior seal ring 17 open to carry out pressure release, therefore exterior seal ring 17 does not have the original overpressure protection performance of disintegration voltage power pot yet yet.When there being leftover to need fresh-keeping in pot, cover pot cover, start minipump 19, extract the residual air in pot out, pot inner pressure diminishes simultaneously, ambient pressure makes exterior seal ring 17 be close to outside the flanging 151 of interior pot 15, make to be in sealing state in pot, outside air cannot enter, and reaches the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
As shown in Figure 5, a kind of control method of bleeding controlling electric pressure cooking saucepan with bleeding in the present embodiment:
First be 60, preset times H be 5 by operation push-button setting preset interval time N, then start air suction process;
S01: perform step S1 after first waiting for first stand-by period Y minute decided at the higher level but not officially announced after starting air suction process,
The temperature value that S1, internal temperature sensor 21 detect 15 li, interior pot is T1 degree Celsius, and it is T2 degree Celsius that external temperature sensor 22 detects ambient temperature value;
S2, detect two temperature values are carried out subtraction by control circuit draw difference in step S1, if the absolute value of difference is less than difference K degree Celsius decided at the higher level but not officially announced, starts minipump 19 and bleed, bleed after running M minute running time first decided at the higher level but not officially announced and stop, performing step S3;
If the absolute value of difference is greater than or equal to difference K degree Celsius decided at the higher level but not officially announced, minipump 19 can not be started and perform step S1 and S2 successively again after waiting for stand-by period X decided at the higher level but not officially announced minute;
S3, after preset interval time N minute, minipump 19 stops after again running the P minute circular flow time decided at the higher level but not officially announced and records number of run R;
S4, disconnect the circuit of minipump 19 when the R of step S3 equals preset times H, then make R make zero.
Wherein first stand-by period Y decided at the higher level but not officially announced is 20, and difference K decided at the higher level but not officially announced is 6, and running time first decided at the higher level but not officially announced, M was 4, and stand-by period X decided at the higher level but not officially announced is 20, and circular flow time P decided at the higher level but not officially announced is 2.
The pressure running 15 li, interior pot during minipump 19 first equals or a little more than environmental pressure, time run of for this reason bleeding longlyer just can reach vacuum effect, when again bleeding, the pressure of 15 li, interior pot is negative pressure, so can run the pressure that the short period just can continue to reduce by 15 li, interior pot.
Because under atmospheric environment, negative pressure is limited, high pressure is unlimited in theory, so negative-pressure sealing can not image height means of press seals can provide like that very large pressure to sealing ring is sealed very tight, if want that obtaining good negative-pressure sealing effect needs to bleed always, but so consume electric energy very much, some is lost more than gain, the present embodiment has been started a kind of interruption and have been bled control method for this reason, both can save electric energy, fresh-keeping effect of well bleeding can be obtained again.First to detect temperature in pot and environment temperature and compare, if temperature gap is large, illustrate that the food temperature in pot is higher, now bleed, moisture in food can be vaporized out and be made the air pressure in pot increase, may seal failure be caused, food also can be made simultaneously to become dry and affect mouthfeel.When equitemperature difference is less, bleed in interval again, to keep negative pressure state in pot as far as possible, namely keeps sealing state in pot, avoid outside air to enter.
These are only a specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, all the utility model that utilizes conceive the insubstantial modifications made the utility model, all fall within protection domain of the present utility model.

Claims (2)

1. the band electric pressure cooking saucepan of bleeding, described electric pressure cooking saucepan comprises a pot body, outer pot, interior pot, pot cover, control circuit, operation push-button, wherein outer pot is supported in pot body, interior pot is placed in outer pot, pot cover comprises enclosing cover and inner cap, inner cap is placed in enclosing cover, and enclosing cover is rotatablely fastened on outer pot, and inner cap is buckled on interior pot; The sealing ring for pot and inner cap in sealing during negative pressure state in pot is provided with between inner cap and interior pot, the air extractor of gas in pot in extracting out is provided with in pot body, it is characterized in that, cover the internal temperature checkout gear be provided with for detecting gas temperature inside interior pot in described, described pot body is provided with the external temperature detecting device for detecting ambient temperature.
2. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, described interior pot top extends outward a circle flange, the outer of flange extends a circle flanging straight down, described sealing ring comprises inner seal ring and exterior seal ring, in the bottom laminating of inner seal ring inside pot, inside the top laminating inner cap of inner seal ring, outside the flanging of the interior pot of exterior seal ring lower inside laminating, inside exterior seal ring top laminating inner cap; Described air extractor is minipump; Inside cover and be connected with flexible pipe, the sealing of flexible pipe one end is communicated to inside inner cap, and the other end is communicated to minipump.
CN201520679157.1U 2015-09-06 2015-09-06 Electric pressure cooker who bled in area Expired - Fee Related CN204909047U (en)

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Application Number Priority Date Filing Date Title
CN201520679157.1U CN204909047U (en) 2015-09-06 2015-09-06 Electric pressure cooker who bled in area

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105054772A (en) * 2015-09-06 2015-11-18 岭南师范学院 Electric pressure cooker with air exhaust function and air exhaust control method
CN107440528A (en) * 2017-04-28 2017-12-08 浙江苏泊尔家电制造有限公司 Seal, lid and cooking apparatus
CN112386096A (en) * 2020-11-04 2021-02-23 浙江西盈科技股份有限公司 Steaming and baking integrated machine with falling protection function
CN113662423A (en) * 2021-06-25 2021-11-19 杭州荣灿科技有限公司 Pressure cooker with negative pressure vacuum state

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105054772A (en) * 2015-09-06 2015-11-18 岭南师范学院 Electric pressure cooker with air exhaust function and air exhaust control method
CN107440528A (en) * 2017-04-28 2017-12-08 浙江苏泊尔家电制造有限公司 Seal, lid and cooking apparatus
CN107440528B (en) * 2017-04-28 2024-01-05 浙江苏泊尔家电制造有限公司 Sealing member, lid and cooking utensil
CN112386096A (en) * 2020-11-04 2021-02-23 浙江西盈科技股份有限公司 Steaming and baking integrated machine with falling protection function
CN112386096B (en) * 2020-11-04 2021-10-29 浙江西盈科技股份有限公司 Steaming and baking integrated machine with falling protection function
CN113662423A (en) * 2021-06-25 2021-11-19 杭州荣灿科技有限公司 Pressure cooker with negative pressure vacuum state

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151230

Termination date: 20180906