CN110507182A - Cooker - Google Patents
Cooker Download PDFInfo
- Publication number
- CN110507182A CN110507182A CN201810490142.9A CN201810490142A CN110507182A CN 110507182 A CN110507182 A CN 110507182A CN 201810490142 A CN201810490142 A CN 201810490142A CN 110507182 A CN110507182 A CN 110507182A
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- CN
- China
- Prior art keywords
- vacuum elements
- duration
- control
- cooking cavity
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
Abstract
The present invention provides a kind of cookers, comprising: pan body assembly including pot body and can cover the upper cover closed in pot body, and upper cover and pot body lid form cooking cavity when closing；Vacuum elements are set on pan body assembly, and the air entry of vacuum elements can be connected to cooking cavity, with when vacuum elements are opened to culinary art chamber pumping；Controller is electrically connected with vacuum elements, and controller is used for when detecting that cooking cavity enters negative pressure packing stage, and control vacuum elements are alternately opened and closed at intervals, so that cooking cavity is in corresponding range of negative pressure.According to the technical solution of the present invention, on the one hand, control process is easier to realize, on the other hand, does not need that the detection devices such as pressure sensor are arranged, cooker is in-built meanwhile, it is capable to reduce preparation cost simplifying.
Description
Technical field
The present invention relates to household appliance technical fields, in particular to a kind of cooker.
Background technique
For cookers such as pressure cookers, by increasing negative pressure function (even if pot is in the air pressure lower than normal pressure in cooking
State), on the one hand, the tasty effect of culinary art food materials can be improved, on the other hand, vacuum guarantor can also be carried out to the food after culinary art
Fresh processing, to extend the food fresh-keeping time.
In the related technology, negative pressure function controls the pressure for taking out negative pressure based on cooker and realizes, is passed by adding pressure
Sensor or pressure switch realize the control to vacuum magnitude, higher cost.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of cookers.
To achieve the above object, the embodiment provides a kind of cookers, comprising: pan body assembly, including pot
Body and it can cover and close upper cover in pot body, upper cover and pot body lid form cooking cavity when closing；Vacuum elements are set to pot body group
On part, the air entry of vacuum elements can be connected to cooking cavity, with when vacuum elements are opened to culinary art chamber pumping；Controller,
It is electrically connected with vacuum elements, controller is used for when detecting that cooking cavity enters negative pressure packing stage, controls vacuum elements interval
Property alternately be opened and closed so that cooking cavity is in corresponding range of negative pressure.
In the technical scheme, when detecting the negative pressure packing stage for entering cooking process, in negative pressure packing stage, control
Vacuum elements processed are alternately opened and closed at intervals, and when entering negative pressure packing stage, control vacuum elements first close a period of time,
To enter nature boost process (negative pressure reduction), after control vacuum elements are opened, by executing the air suction process of a period of time,
Increase the negative pressure value of enclosure space, to execute the ftercompction operation of negative pressure, after ftercompction end of operation, is re-closing off vacuum elements one
After the section time, it is then turned on a period of time, on-off action is alternately performed by controlling vacuum elements, cooking cavity is made alternately to be in nature
Boost process and negative pressure step press through journey, and realization is in cooking cavity in corresponding range of negative pressure, and then realizes the pressure to negative pressure
Power control, simpler to the implementation of the control control process of negative pressure compared with control program in the prior art, Jin Erneng
Enough culinary art effect is promoted by vacuum cavitations.
It is understood that negative pressure packing stage may be at before cooking operation, during cooking operation or locate
After the completion of cooking operation.
In addition, those skilled in the art it can be appreciated that, in vacuum elements for execute air suction process pumping dress
It sets, can be set in any position other than in interior pot.
Specifically, the time of vacuum elements progress air suction process is longer, and the negative pressure value in cooking cavity is bigger, i.e., negative pressure value is big
It is small related with the opening time of vacuum elements, therefore when by further limiting to interval between opening operation and shutoff operation
It is long, it can be realized more accurate vacuum cavitations.
In addition, the cooker in above-described embodiment provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that vacuum elements are opened in controller control, and are detecting vacuum elements to cooking
When the air suction process of chamber of preparing food continues preset duration, vacuum elements are closed in control, enter negative pressure packing stage to determine；From pumping group
Part close to vacuum elements reopen between have first interval duration, reopened from vacuum elements to vacuum elements again
There is the second interval duration, the ratio range between the first interval duration and the second interval duration is greater than or equal between closing
10, and it is less than or equal to 200.
In the technical scheme, it detects whether to enter negative pressure packing stage by way of timing, and in negative pressure pressure maintaining
In the process, close moment is executed in control vacuum elements, starts timing simultaneously with start-up time is executed, to record adjacent two
Interval duration between trigger action is recorded as the first interval duration from closing to the duration reopened, from reopen to
The duration being re-closing off is recorded as the second interval duration, by limiting the ratio between the first interval duration and the second interval duration
Range defines the duration between the duration of nature boost process and ftercompction operation, on the one hand, can prevent the negative of cooking cavity
It presses fluctuation excessive, leads to cook material impacting, on the other hand, timing realization pair is carried out by the clock circuit of controller
The open and close control of vacuum elements does not need the detection devices such as setting pressure sensor, in-built same simplifying cooker
When, it can reduce preparation cost.
Wherein, when multiple first interval durations replace maintenance with multiple second intervals duration, multiple first intervals duration can
It with identical, can also be different, multiple second intervals duration may be the same or different.
In any of the above-described technical solution, it is preferable that alternately opening and closing is periodical opening and closing operations, controller at intervals
Vacuum elements opening and closing is controlled according to the preset control period, within a control period, vacuum elements is controlled and closes and maintain the
After one interval duration, control opens vacuum elements and maintains the second interval duration.
In the technical scheme, it is opened and closed, is set as periodically by the way that controller to be controlled to the alternating of vacuum elements intermittent
Ground controls vacuum elements opening and closing, i.e., within a control period, realizes and close and a secondary control to a secondary control of vacuum elements
It opens, on the one hand, can reduce the implementation complexity of control process, on the other hand, also can be realized gently has rule to cooking cavity
The vacuum cavitations of rule so as to further promote the accuracy to vacuum cavitations, and then are conducive to the culinary art mouth of improving material
Sense.
In any of the above-described technical solution, it is preferable that controller is determined according to the culinary art mode of the cooking instruction received
Corresponding first interval duration and the second interval duration.
In the technical scheme, cooking equipment usually has a variety of culinary art modes, under different culinary art modes, to negative pressure
Pressure maintaining require it is also different, by presetting the first interval duration and the second interval in different culinary art mode and a cycle
Mapping relations between duration determine pre-stored first interval when receiving the corresponding cooking instruction of certain culinary art mode
The parameter of duration and the second interval duration, so that controller controls vacuum elements according to the first interval duration and the second interval duration
Opening and closing, and then can satisfy the operational requirements of the negative pressure pressure maintaining under different culinary art modes.
It will be appreciated by those skilled in the art that controller is determined according to the culinary art mode of the cooking instruction received
Corresponding interval duration is suitable for controller control vacuum elements and is alternately opened and closed at intervals, is not limited solely to periodically control
Vacuum elements opening and closing processed.
It should be noted that cooking instruction receive can by the touch-control being arranged on upper cover and/or outer pot by
The touch control operation of key is realized, can also be sent wireless control directives by the control program being installed on mobile terminal and be realized.
In any of the above-described technical solution, it is preferable that the first interval duration is greater than or equal to 2min, and is less than or equal to
120min；Second interval duration is greater than or equal to 5s, and is less than or equal to 180s.
In the technical scheme, by limiting the duration range of the first interval duration and the duration model of the second interval duration
It encloses, on the one hand, can satisfy the negative pressure pressure maintaining demand under different culinary art modes, on the other hand, in conjunction with the first interval duration and the
Proportional region between two interval durations, can be such that cooking cavity is in corresponding range of negative pressure.
In any of the above-described technical solution, it is preferable that the ratio range between the first interval duration and the second interval duration
More than or equal to 20, and it is less than or equal to 100.
In the technical scheme, by further decrease the first interval duration and second interval duration between ratio limit
Determine range, on the one hand, can further promote the accuracy to vacuum cavitations, on the other hand, be also possible to prevent the pumping of ftercompction
Operate that duration is too long and/or vacuum elements close after natural pressure reduction duration it is too short, protected with meeting the negative pressure of cooking operation
Pressure demand.
As an implementation, when the total duration of pressure maintaining is shorter, when accordingly the first interval duration is with the second interval
Length is also shorter, specifically, the second interval minimum 5s of duration, first a length of 100s when being spaced.
As another real-time mode, when the total duration of pressure maintaining is longer, first interval duration can be 120min, second
Being spaced duration can be 180s.
As a kind of preferably real-time mode, within a control period, the duration that control vacuum elements are closed can be
30min, the duration that control vacuum elements are opened can be 30s.
In any of the above-described technical solution, it is preferable that further include: exhaust valve is set on lid, and is electrically connected with controller
It connects, exhaust valve is in communication with the outside or is isolated for controlling cooking cavity；Controller detect from for the first time open vacuum elements when
The pressure maintaining duration passed through has been carved when reaching default pressure maintaining duration, the working condition of vacuum elements has been detected, to detect pumping group
When part is opened, vacuum elements are closed in control, with when detecting that vacuum elements are in close state, control starting exhaust valve makes to cook
Chamber of preparing food is in communication with the outside, and so that cooking cavity is restored normal pressure, to exit negative pressure packing stage.
In the technical scheme, by the way that exhaust valve is arranged on upper lid, to control the opening and closing of exhaust valve by controller, specifically
Ground starts timing when vacuum elements are started to work, and whether reaches default pressure maintaining duration with the pressure maintaining duration that real-time detection is passed through,
And when detecting that pressure maintaining duration reaches default pressure maintaining duration, the working condition of vacuum elements is detected, further to detect
When vacuum elements are also in working condition, first control close vacuum elements, then control open exhaust valve, make cooking cavity with it is external
Connection, external air enter, and the pressure in cooking cavity is finally made to reach normal pressure, to complete negative pressure pressure maintaining operation.
It should be noted that exhaust valve can be the individual devices independently of extraction assembly, it can also be used as setting and taking out
A part on pneumatic module realizes that sealing space is in communication with the outside through setting vacuum elements by way of external be connected to.
In any of the above-described technical solution, it is preferable that controller is determined according to the culinary art mode of the cooking instruction received
Corresponding default pressure maintaining duration.
In the technical scheme, cooking equipment usually has a variety of culinary art modes, under different culinary art modes, to negative pressure
Pressure maintaining require it is also different, by presetting the mapping relations of culinary art mode and default pressure maintaining duration, to realize the different culinary arts of rotation
When mode, triggering starts different pressure maintaining duration timing, to meet the pressure maintaining demand of the negative pressure under different culinary art modes.
In any of the above-described technical solution, it is preferable that default pressure maintaining duration is greater than or equal to 0.1h, and is less than or equal to
48h。
In the technical scheme, by specifically limiting the duration range of default pressure maintaining duration, to meet different culinary art modes
Under to the restriction demand of the pressure maintaining duration of negative pressure, and then be conducive to be promoted the culinary art effect of cooker.
It should be noted that during negative pressure pressure maintaining, usual pressure maintaining duration need much larger than the first interval duration with
Second interval duration, in pressure maintaining period, by the opening and closing of repetitive control vacuum elements,
In any of the above-described technical solution, it is preferable that vacuum elements include: air extractor, are set on upper cover or outer pot,
Air exhaust head is also opened up on upper lid；Exhaust tube is set between air extractor and air exhaust head, and one end of exhaust tube is formed and air exhaust head
The air entry of adaptation.
In the technical scheme, vacuum elements can specifically include air extractor and exhaust tube, one end connection of exhaust tube
To air extractor, the other end extends to air exhaust head, to form the air entry that can be connected to cooking cavity, thus when opening, it is real
Now to the air extracting function of cooking cavity.
Wherein, air extractor is specifically as follows vacuum pump.
In any of the above-described technical solution, it is preferable that vacuum elements further include: pumping control valve is set on exhaust tube,
And be electrically connected with the controller, pumping control valve is for controlling exhaust tube on or off.
In the technical scheme, it is opened using the control switch as air extractor in control valve by setting pumping control valve
Qi Shi, air extractor starting pumping, when control valve is closed, air extractor stops working, and one side control mode is simple, another
Aspect does not need air extractor to be opened and closed control, and setup cost is also relatively low.
Specifically, pumping control valve is solenoid valve.
In any of the above-described technical solution, it is preferable that cooker is that electric cooker, electric pressure cooking saucepan, electric cooking pot and electricity steam
Any one of pot.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the cooker of embodiment according to the present invention；
Fig. 2 shows the curve graphs of negative pressure pressure in cooker according to an embodiment of the invention；
Fig. 3 shows the curve graph of negative pressure pressure in cooker according to another embodiment of the invention；
Fig. 4 shows the schematic flow diagram of the negative pressure control method of cooker according to an embodiment of the invention.
Wherein, the corresponding relationship in Fig. 1 between appended drawing reference and component names are as follows:
102 pot bodys, 104 upper covers, 106 cooking cavities, 202 exhaust valves, 204 air extractors, 206 exhaust tubes, 208 pumping controls
Valve.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
As shown in Figure 1, the cooker that the embodiment of the present invention provides, comprising: pan body assembly, vacuum elements and control
Device realizes that clocking capability realizes the control process of negative pressure on the basis of timing by the clock circuit in controller.
Specifically, pan body assembly including pot body and can cover the upper cover 104 closed in pot body 102, upper cover 104 and pot
The lid of body 102 forms cooking cavity 106 when closing；Vacuum elements are set on pan body assembly, and the air entry of vacuum elements can be with culinary art
Chamber 106 is connected to, to be evacuated when vacuum elements are opened to cooking cavity 106；Controller is electrically connected with vacuum elements, and controller is used for
When detecting that cooking cavity 106 enters negative pressure packing stage, control vacuum elements are alternately opened and closed at intervals, so that cooking cavity
106 in corresponding range of negative pressure.
In this embodiment, the negative pressure packing stage into cooking process is being detected, in negative pressure packing stage, control is taken out
Pneumatic module at intervals alternately be opened and closed, enter negative pressure packing stage when, first control vacuum elements close a period of time, with into
Enter nature boost process (negative pressure reduction), after control vacuum elements are opened, by executing the air suction process of a period of time, increases
The negative pressure value of enclosure space, to execute the ftercompction operation of negative pressure, after ftercompction end of operation, when being re-closing off one section of vacuum elements
Between after, be then turned on a period of time, be alternately performed on-off action by controlling vacuum elements, make cooking cavity 106 alternately in nature
Boost process and negative pressure step press through journey, and realization is in cooking cavity 106 in corresponding range of negative pressure, and then realizes to negative pressure
Pressure control, it is simpler to the implementation of the control control process of negative pressure compared with control program in the prior art, in turn
Culinary art effect can be promoted by vacuum cavitations.
It is understood that negative pressure packing stage may be at before cooking operation, during cooking operation or locate
After the completion of cooking operation.
In addition, those skilled in the art it can be appreciated that, pot body 102 may include in outer pot and interior pot vacuum elements
For executing the air extractor 204 of air suction process, can be set in any position other than in interior pot.
Specifically, the time of vacuum elements progress air suction process is longer, and the negative pressure value in cooking cavity 106 is bigger, i.e. negative pressure
It is related with the opening time of vacuum elements to be worth size, therefore by further limiting between opening operation and shutoff operation
Every duration, it can be realized more accurate vacuum cavitations.
In addition, the cooker in above-described embodiment provided by the invention can also have following additional technical feature:
In the above embodiment, it is preferable that vacuum elements are opened in controller control, and detecting vacuum elements to culinary art
When the air suction process of chamber 106 continues preset duration, vacuum elements are closed in control, enter negative pressure packing stage to determine；From pumping
Component close to vacuum elements reopen between have first interval duration, reopen from vacuum elements to vacuum elements weight
There is the second interval duration, the ratio range between the first interval duration and the second interval duration is greater than or equal between new closing
10, and it is less than or equal to 200.
In this embodiment, it detects whether to enter negative pressure packing stage by way of timing, and in the mistake of negative pressure pressure maintaining
Cheng Zhong, close moment is executed in control vacuum elements, starts timing simultaneously with start-up time is executed, to record adjacent two
Interval duration between trigger action is recorded as the first interval duration from closing to the duration reopened, from reopen to
The duration being re-closing off is recorded as the second interval duration, by limiting the ratio between the first interval duration and the second interval duration
Range defines the duration between the duration of nature boost process and ftercompction operation, on the one hand, can prevent cooking cavity 106
Negative pressure fluctuation it is excessive, lead to cook material impacting, on the other hand, it is real that timing carried out by the clock circuit of controller
Now to the open and close control of vacuum elements, the detection devices such as setting pressure sensor are not needed, are simplifying cooker internal structure
While, it can reduce preparation cost.
Wherein, when multiple first interval durations replace maintenance with multiple second intervals duration, multiple first intervals duration can
It with identical, can also be different, multiple second intervals duration may be the same or different.
In any of the above-described embodiment, it is preferable that alternately opening and closing is periodical opening and closing operations, controller root at intervals
According to control of preset control period vacuum elements opening and closing, within a control period, control vacuum elements close and maintain first
After being spaced duration, control opens vacuum elements and maintains the second interval duration.
In this embodiment, it is opened and closed, is set as periodically by the way that controller to be controlled to the alternating of vacuum elements intermittent
Vacuum elements opening and closing is controlled, i.e., within a control period, realizes to close a secondary control of vacuum elements and be opened with a secondary control
It opens, on the one hand, can reduce the implementation complexity of control process, on the other hand, also can be realized gently has rule to cooking cavity 106
The vacuum cavitations of rule so as to further promote the accuracy to vacuum cavitations, and then are conducive to the culinary art mouth of improving material
Sense.
In any of the above-described embodiment, it is preferable that controller is according to determining pair of the culinary art mode of the cooking instruction received
The the first interval duration answered and the second interval duration.
In this embodiment, cooking equipment usually has a variety of culinary art modes, under different culinary art modes, to negative pressure
Pressure maintaining requires also difference, when by presetting the first interval duration and the second interval in different culinary art mode and a cycle
Mapping relations between length, when receiving the corresponding cooking instruction of certain culinary art mode, when determining the pre-stored first interval
The long parameter with the second interval duration, so that controller is according to the first interval duration and the second interval duration control vacuum elements
Opening and closing, and then can satisfy the operational requirements of the negative pressure pressure maintaining under different culinary art modes.
It will be appreciated by those skilled in the art that controller is determined according to the culinary art mode of the cooking instruction received
Corresponding interval duration is suitable for controller control vacuum elements and is alternately opened and closed at intervals, is not limited solely to periodically control
Vacuum elements opening and closing processed.
It should be noted that can be by being arranged in upper cover 104 and/or pot body 102 to receiving for cooking instruction
The touch control operation of touch controlled key is realized, it is real can also to send wireless control directives by the control program being installed on mobile terminal
It is existing.
In any of the above-described embodiment, it is preferable that the first interval duration is greater than or equal to 2min, and is less than or equal to
120min；Second interval duration is greater than or equal to 5s, and is less than or equal to 180s.
In this embodiment, by limiting the duration range of the first interval duration and the duration model of the second interval duration
It encloses, on the one hand, can satisfy the negative pressure pressure maintaining demand under different culinary art modes, on the other hand, in conjunction with the first interval duration and the
Proportional region between two interval durations, can be such that cooking cavity 106 is in corresponding range of negative pressure.
In any of the above-described embodiment, it is preferable that the ratio range between the first interval duration and the second interval duration is big
In or be equal to 20, and be less than or equal to 100.
In this embodiment, by further decrease the first interval duration and second interval duration between ratio restriction
Range, on the one hand, can further promote the accuracy to vacuum cavitations, on the other hand, be also possible to prevent the pumping behaviour of ftercompction
Make that duration is too long and/or vacuum elements close after natural pressure reduction duration it is too short, to meet the negative pressure pressure maintaining of cooking operation
Demand.
As an implementation, when the total duration of pressure maintaining is shorter, when accordingly the first interval duration is with the second interval
Length is also shorter, specifically, the second interval minimum 5s of duration, first a length of 100s when being spaced.
As another real-time mode, when the total duration of pressure maintaining is longer, first interval duration can be 120min, second
Being spaced duration can be 180s.
As a kind of preferably real-time mode, within a control period, the duration that control vacuum elements are closed can be
30min, the duration that control vacuum elements are opened can be 30s.
In any of the above-described embodiment, it is preferable that further include: exhaust valve 202 is set in upper cover 104, and and controller
Electrical connection, exhaust valve 202 are in communication with the outside or are isolated for controlling cooking cavity 106；Controller is being detected from unlatching pumping for the first time
From at the time of pneumatic module by pressure maintaining duration reach default pressure maintaining duration when, the working condition of vacuum elements is detected, to examine
When measuring vacuum elements unlatching, vacuum elements are closed in control, with when detecting that vacuum elements are in close state, control starts
Exhaust valve 202 makes cooking cavity 106 be in communication with the outside, and so that cooking cavity 106 is restored normal pressure, to exit negative pressure packing stage.
In this embodiment, by the way that exhaust valve 202 is arranged in upper cover 104, with opening by controller control exhaust valve 202
It closes, specifically, starts timing when vacuum elements are started to work, whether default guarantor is reached with the pressure maintaining duration that real-time detection is passed through
Press duration, and when detecting that pressure maintaining duration reaches default pressure maintaining duration, further detect the working condition of vacuum elements, with
When detecting vacuum elements also in working condition, first vacuum elements are closed in control, and then exhaust valve 202 is opened in control, make to cook
Chamber 106 of preparing food is connected to external, and external air enters, and so that the pressure in cooking cavity 106 is reached normal pressure, finally to complete negative pressure pressure maintaining
Operation.
It should be noted that exhaust valve 202 can be the individual devices independently of extraction assembly, it can also be used as setting and exist
A part on vacuum elements realizes that sealing space is in communication with the outside through setting vacuum elements by way of external be connected to.
In any of the above-described embodiment, it is preferable that controller is according to determining pair of the culinary art mode of the cooking instruction received
The default pressure maintaining duration answered.
In this embodiment, cooking equipment usually has a variety of culinary art modes, under different culinary art modes, to negative pressure
Pressure maintaining requires also difference, by presetting the mapping relations of culinary art mode and default pressure maintaining duration, rotates different culinary art moulds to realize
When formula, triggering starts different pressure maintaining duration timing, to meet the pressure maintaining demand of the negative pressure under different culinary art modes.
In any of the above-described embodiment, it is preferable that default pressure maintaining duration is greater than or equal to 0.1h, and is less than or equal to 48h.
In this embodiment, by specifically limiting the duration range of default pressure maintaining duration, to meet under different culinary art modes
To the restriction demand of the pressure maintaining duration of negative pressure, and then be conducive to be promoted the culinary art effect of cooker.
It should be noted that during negative pressure pressure maintaining, usual pressure maintaining duration need much larger than the first interval duration with
Second interval duration, in pressure maintaining period, by the opening and closing of repetitive control vacuum elements,
In any of the above-described embodiment, it is preferable that vacuum elements include: air extractor 204, are set to upper cover 104 or pot
On body 102, air exhaust head is also opened up in upper cover 104；Exhaust tube 206 is set between air extractor 204 and air exhaust head, exhaust tube
206 one end forms the air entry being adapted to air exhaust head.
In this embodiment, vacuum elements can specifically include air extractor 204 and exhaust tube 206, and the one of exhaust tube 206
End is connected to air extractor 204, and the other end extends to air exhaust head, to form the air entry that can be connected to cooking cavity 106, thus
When opening, the air extracting function to cooking cavity 106 is realized.
Wherein, air extractor 204 is specifically as follows vacuum pump.
In any of the above-described embodiment, it is preferable that vacuum elements further include: pumping control valve 208 is set to exhaust tube
It on 206, and is electrically connected with the controller, pumping control valve 208 is for controlling 206 on or off of exhaust tube.
In this embodiment, it is being controlled by setting pumping control valve 208 using the control switch as air extractor 204
When valve 208 is opened, the starting pumping of air extractor 204, when control valve 208 is closed, air extractor 204 stops working, on the one hand
Control mode is simple, on the other hand, does not need that control is opened and closed to air extractor 204, setup cost is also relatively low.
Specifically, pumping control valve 208 is solenoid valve.
In any of the above-described embodiment, it is preferable that cooker is electric cooker, electric pressure cooking saucepan, electric cooking pot and electric steamer
Any one of.
The negative pressure executed below with reference to cooker and cooker of the Fig. 1 to Fig. 4 to embodiment according to the present invention
Control method is specifically described.
In one embodiment of the application, as shown in Figure 1, cooker includes: upper cover 104, it is provided with pumping
Device 204 and exhaust valve 202, wherein air extractor 204 be used for cooking cavity 106 take out negative pressure, outer pot for carry interior pot and
Lid 104, interior pot form cooking cavity 106 for holding food, and with upper cover 104.
Control valve 208 is set in upper cover 104, and the opening and closing of control valve 208 is for realizing air extractor 204 and cooking cavity
Connection and disconnection between 106 are in closed state, cooking cavity 106 are isolated with air extractor 204 when control valve 208 powers off,
When that need to be evacuated to cooking cavity 106, controller controls the energization of control valve 208 and opens, and cooking cavity 106 and air extractor 204 are connected
It is logical.
Exhaust valve 202 also has opening and closing two states, and when opening, cooking cavity 106 is in communication with the outside, and when closing cooks
Chamber 106 of preparing food is isolated from the outside world.
Fig. 4 shows the schematic flow diagram of the negative pressure control method of cooker according to an embodiment of the invention.
As shown in figure 4, the negative pressure control method of cooker according to an embodiment of the invention, comprising:
Step 402, it when receiving specified cooking instruction, is controlled according to cooking instruction and opens pumping control valve, with triggering
Air extractor executes the air suction process to cooking cavity, and starts the timing of pressure maintaining duration；
Step 404, when detecting that vacuum elements continue preset duration to the air suction process of cooking cavity, pumping is closed in control
Component enters negative pressure packing stage to determine；
Step 406, control closes pumping control valve to stop air suction process, and starts ftercompction timing, from pumping control valve
Closing to pumping control valve has the first interval duration between reopening, and is evacuated control valve certainly and reopens to pumping control valve
There is the second interval duration, to be alternately performed pumping control according to the first interval duration and the second interval duration between being re-closing off
The alternating opening and closing of air extractor is realized in the opening and closing of valve；
Step 408, when detecting that pressure maintaining duration reaches default pressure maintaining duration, the working condition of detection pumping control valve；
Step 410, when detecting that pumping control valve is in the open state, pumping control valve is closed in control, to terminate to take out
Gas operation, and control unlatching exhaust valve；
Step 412, when detecting that pumping control valve is in close state, exhaust valve is opened in control.
Specifically, when user selects corresponding cooking function to start cooking operation, control valve 208 works, and control valve 208 is beaten
It opens, air extractor 204 works, and takes out negative pressure to cooking cavity, controller starts two different timing, i.e. Split Time is t and holds
Continuous timing tp。
As shown in Figure 1, Figure 2 and shown in Fig. 3, work as t=t1When, negative pressure value reaches P1, and control valve 208 is closed, and air extractor 204 stops
It only works, keeps the closed environment in interior pot, to carry out nature decompression, meanwhile, controller continues Split Time, incremental time point
It Wei not taWith tb, work as t=ta1When, control valve 208 is opened, and air extractor 204 works, and is carried out negative pressure ftercompction to cooking cavity 106, is made
Negative pressure value increases, and controller continues Split Time, works as t=tb1When, control valve 208 is closed, and is kept closed environment in pot, is taken out simultaneously
Device of air 204 stops working, and carries out nature decompression, and controller continues Split Time, works as t=ta2When, control valve 208 is opened, and is taken out
Device of air 204 works, and carries out negative pressure ftercompction to cooking cavity 106, meanwhile, controller restarts timing, works as t=tb2When, control
Valve 208 is closed, and keeps closed environment in pot, while air extractor 204 stops working, and is carried out nature decompression, is recycled with this.
Work as tp=tzWhen, the working condition of control valve 208 is detected, as shown in Fig. 2, working as tp=tzWhen, shape is depressured in nature
State, i.e. control valve 208 are in close state, at this time control exhaust valve 130 open, outside air enter, 106 pressure of cooking cavity by
Gradually restore normal pressure.
As shown in figure 3, working as tp=tzWhen, it is in negative pressure ftercompction state, i.e. control valve 208 is in the open state, at this time first
Control valve 208 is closed in control, so that air extractor 204 stops working, is then controlled exhaust valve 130 and is opened, and outside air enters,
106 pressure of cooking cavity is gradually recovered normal pressure.
Wherein, ta1、ta2···tanCan be equal, it can not also wait, value range 2-120min.
tb1、tb2···tbnCan be equal, it can not also wait, value range 5-180s.
tzFor the dwell time, size can be set according to demand, and range is in 0.1-48h.
It should be noted that as shown in Figure 2 and Figure 3, the negative pressure value on curve is bigger, the air pressure in actual cooking cavity
It is worth smaller.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the instructions such as term " on ", "lower", "left", "right", "front", "rear"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of cooker characterized by comprising
Pan body assembly including pot body and can cover the upper cover closed in the pot body, when the upper cover and the pot body lid close
Form cooking cavity；
Vacuum elements are set on the pan body assembly, and the air entry of the vacuum elements can be connected to the cooking cavity, with
When the vacuum elements are opened to the culinary art chamber pumping；
Controller is electrically connected with the vacuum elements, and the controller is used to detect that the cooking cavity enters negative pressure pressure maintaining
When the stage, controls the vacuum elements and be alternately opened and closed at intervals, so that the cooking cavity is in corresponding range of negative pressure.
2. cooker according to claim 1, which is characterized in that
The vacuum elements are opened in the controller control, and are detecting the vacuum elements to the pumping behaviour of the cooking cavity
When making to continue preset duration, the vacuum elements are closed in control, enter the negative pressure packing stage to determine；
Closing from the vacuum elements to the vacuum elements between reopening has the first interval duration, from the pumping group
Part reopen to the vacuum elements be re-closing off between there is the second interval duration, the first interval duration and described the
Ratio range between two interval durations is greater than or equal to 10, and is less than or equal to 200.
3. cooker according to claim 2, which is characterized in that
Described alternately opening and closing is periodical opening and closing operations at intervals, and the controller is according to the control of preset control period
Vacuum elements opening and closing was controlled after the vacuum elements close and maintain the first interval duration, is controlled within a control period
System opens the vacuum elements and maintains the second interval duration.
4. cooker according to claim 2, which is characterized in that
The controller according to the culinary art mode of the cooking instruction received determine it is corresponding it is described first interval duration with it is described
Second interval duration.
5. cooker according to claim 4, which is characterized in that
First interval duration is greater than or equal to 2min, and is less than or equal to 120min；
Second interval duration is greater than or equal to 5s, and is less than or equal to 180s.
6. cooker according to claim 5, which is characterized in that
Ratio range between the first interval duration and second interval duration is greater than or equal to 20, and is less than or equal to
100。
7. cooker according to claim 1, which is characterized in that further include:
Exhaust valve is set on the upper lid, and be electrically connected with the controller, and the exhaust valve is for controlling the cooking cavity
It is in communication with the outside or is isolated；
The controller detect from the time of opening the vacuum elements for the first time by pressure maintaining duration reach default guarantor
When pressing duration, the working condition of the vacuum elements is detected, described in when detecting that the vacuum elements are opened, control is closed
Vacuum elements, with when detecting that the vacuum elements are in close state, control, which starts the exhaust valve, makes the cooking cavity
It is in communication with the outside, so that the cooking cavity is restored normal pressure, to exit the negative pressure packing stage.
8. cooker according to claim 7, which is characterized in that
The controller determines the corresponding default pressure maintaining duration according to the culinary art mode of the cooking instruction received.
9. cooker according to claim 8, which is characterized in that
The default pressure maintaining duration is greater than or equal to 0.1h, and is less than or equal to 48h.
10. cooker according to any one of claim 1 to 9, which is characterized in that the vacuum elements include:
Air extractor is set in the upper cover or the pot body, also opens up air exhaust head on the upper lid；
Exhaust tube is set between the air extractor and the air exhaust head, and one end of the exhaust tube is formed and the pumping
The air entry of head adaptation；
It is evacuated control valve, is set on the exhaust tube, and be electrically connected with the controller, the pumping control valve is for controlling
The exhaust tube on or off.
11. cooker according to claim 10, which is characterized in that
The cooker is any one of electric cooker, electric pressure cooking saucepan, electric cooking pot and electric steamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490142.9A CN110507182A (en) | 2018-05-21 | 2018-05-21 | Cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490142.9A CN110507182A (en) | 2018-05-21 | 2018-05-21 | Cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110507182A true CN110507182A (en) | 2019-11-29 |
Family
ID=68621705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490142.9A Pending CN110507182A (en) | 2018-05-21 | 2018-05-21 | Cooker |
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| Country | Link |
|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152024A (en) * | 1994-09-26 | 2000-11-28 | Tippmann; Eugene R. | Apparatus and method for producing a food product |
| CN105054773A (en) * | 2015-09-06 | 2015-11-18 | 岭南师范学院 | Freshness-preserving electric pressure cooker and air extraction control method thereof |
| 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 |
| CN107752720A (en) * | 2017-07-14 | 2018-03-06 | 浙江苏泊尔家电制造有限公司 | Method, cooking apparatus and the computer-readable storage medium of food fresh-keeping |
-
2018
- 2018-05-21 CN CN201810490142.9A patent/CN110507182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152024A (en) * | 1994-09-26 | 2000-11-28 | Tippmann; Eugene R. | Apparatus and method for producing a food product |
| CN105054773A (en) * | 2015-09-06 | 2015-11-18 | 岭南师范学院 | Freshness-preserving electric pressure cooker and air extraction control method thereof |
| 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 |
| CN107752720A (en) * | 2017-07-14 | 2018-03-06 | 浙江苏泊尔家电制造有限公司 | Method, cooking apparatus and the computer-readable storage medium of food fresh-keeping |
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