CN109199132A - Steam valve module, lid and the cooking methods of cooking appliance - Google Patents
Steam valve module, lid and the cooking methods of cooking appliance Download PDFInfo
- Publication number
- CN109199132A CN109199132A CN201710553109.1A CN201710553109A CN109199132A CN 109199132 A CN109199132 A CN 109199132A CN 201710553109 A CN201710553109 A CN 201710553109A CN 109199132 A CN109199132 A CN 109199132A
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- valve body
- cooking appliance
- electromagnetic coil
- steam
- cooking
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses steam valve module, lid and the cooking methods of a kind of cooking appliance, the steam valve module includes: spool, and the steam channel that top is extended to by bottom end is equipped in the spool；Valve body, the valve body are placed in the top of the spool according to self weight to close and open the opening that the steam channel is located at spool top；Electromagnetic coil, the electromagnetic coil are used to apply the valve body upward power with magnetic force when being powered, wherein the valve body is only placed in the top of valve body according to self weight when the electromagnetic coil no power.The steam valve module of cooking appliance according to the present invention only relies on the outlet of the gravity closing steam channel of valve body in electromagnetic coil no power, and pressure control precision is high, stability is good.
Description
Technical field
The present invention relates to fields of home appliance technology, steam valve module, culinary art electricity more particularly, to a kind of cooking appliance
The lid of device and the cooking methods of cooking appliance.
Background technique
When electric cooker is cooked, by changing the pressure in pot, rice effect and flatness can be promoted.But the relevant technologies
In, the magnetic levitation system of the control pot inner pressure of electric cooker, two magnetic fields with magnet and coil, the maximum value P1 of pressure control
=(float trap weight G+ magnetic force F1)/airflow channel sectional area S causes pressure control maximum because of magnetic force F1 fluctuation big ± 10% or so
Value P1 is also fluctuated greatly, and pressure control is inaccurate, is easy pressure security accident.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding:
The steam valve module of electric cooker in the related technology, including coil module, float trap and airflow channel.Coil module
It include coil and iron plate；Float trap is equipped with magnet and sealing.There are double magnetic fields, first magnetic fields for the steam valve module
It is the magnetic field that magnet generates, second magnetic field is the magnetic field generated when coil is powered.It is specifically as follows:
When the work of coil no power, magnetic force F1 collective effect by float trap weight G and magnet to iron plate, sealing
It seals airflow channel (sealing area of airflow channel is S), in the connected container of airflow channel of steam valve module control at this time
Pressure P1=(G+F1)/S.
When the coil is energized, coil generates the magnetic field force F2 to repel each other with the magnetic field force of magnet, and steam valve module controls at this time
The connected container of airflow channel in pressure P2=(G+F1-F2)/S, it is seen that P1 > P2, P1 are the maximum controls of conventional maglev
Pressure pressure, but in P1=(G+F1)/S formula, the fluctuation of magnetic force F1 is very big, reaches ± 10%, leads to pressure control maximum value P1
Also fluctuation is big, and pressure control is inaccurate, is easy pressure security accident.
For this purpose, the present invention proposes a kind of steam valve module of cooking appliance, the steam valve modular construction is simple, to maximum
Pressure control pressure controling precision is high.
The present invention also proposes a kind of lid of cooking appliance with above-mentioned steam valve module.
Third aspect present invention is to propose a kind of cooking methods of cooking appliance with above-mentioned lid.
The steam valve module of cooking appliance according to a first aspect of the present invention, comprising: spool, the spool is interior to be equipped with the bottom of by
End extends to the steam channel on top；Valve body, the valve body are described to close and open according to the top for being placed in the spool of being self-possessed
Steam channel is located at the opening on spool top；Electromagnetic coil, the electromagnetic coil are used for when being powered with magnetic force to the valve body
Apply upward power, wherein the valve body is only placed in the top of valve body according to self weight when the electromagnetic coil no power.
The steam valve module of cooking appliance according to the present invention only relies on the gravity envelope of valve body in electromagnetic coil no power
The outlet of steam channel is closed, pressure control precision is high, stability is good；When electromagnetic coil is powered, electromagnetic coil applies direction to valve body
Upward active force, pressure control pressure at this time are less than pressure control pressure when no power, that is to say, that when electromagnetic coil no power
Pressure control pressure is the maximum pressure control pressure of cooking appliance, and the gravity that this pressure control pressure only relies on valve body is realized, fluctuation is small, is stablized
Property is good, so as to effectively avoid pressure security accident.In addition, when electromagnetic coil is applied to the weight that the power on valve body is greater than valve body
When power, electromagnetic coil drives the opening of valve body opening steam channel, easy to exhaust pressure release.
In some embodiments, the weight G of the valve body, the opening area S meet: 20kPa≤G/S≤30kPa.
In some embodiments, the weight G of the valve body, the area S of the opening, the maximum in the cooking appliance are pre-
If air pressure P meets: P=G/S.
In some embodiments, the electromagnetic coil is placed in above the valve body, the valve body be equipped with after energization
Electromagnetic coil attracting permanent magnet or magnetic conductive part.
In some embodiments, the electromagnetic coil is placed in below the valve body, the valve body be equipped with after energization
The permanent magnet that electromagnetic coil repels each other.
The lid of cooking appliance according to a second aspect of the present invention, comprising: inner cover and cover board, the inner cover are located at the lid
Below plate；Steam valve module, the steam valve module are according to the steam valve module of the cooking appliance of first aspect present invention, institute
State spool be located at it is described in cover.
The lid of cooking appliance according to the present invention, the steam valve group of the cooking appliance by the way that above-mentioned first aspect is arranged
Part, to improve the overall performance of the lid of cooking appliance.
In some embodiments, the electromagnetic coil be placed in the cover board upper surface and with face above and below the valve body, institute
Valve body is stated equipped with the permanent magnet or magnetic conductive part attracting with the electromagnetic coil after energization.
In some embodiments, a part of the cover board raises upward to form the recessing groove, the valve body with it is described
Face above and below recessing groove.
In some embodiments, the size of the horizontal cross-section of recessing groove is greater than the horizontal cross section dimension of the valve body.
In some embodiments, the electromagnetic coil is placed in below the valve body, the valve body be equipped with after energization
The permanent magnet that electromagnetic coil repels each other.
The cooking methods of cooking appliance according to a third aspect of the present invention, the cooking appliance include according to the present invention first
The steam valve module of the cooking appliance of aspect, the cooking methods include: only in the pressure release stage to the solenoid.
The cooking methods of cooking appliance according to the present invention, easy to operate, pneumatics precision is high, energy conservation.
In some embodiments, the maximum preset pressure P in the cooking appliance is in the range of 20kPa to 30kPa.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the schematic diagram of cooking appliance according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of steam valve module shown in Fig. 1, and coil is not powered on；
Fig. 3 is the schematic diagram of steam valve module shown in Fig. 1, and coil is powered；
Fig. 4 is the matching relationship of the maximum pressure of cooking appliance shown in Fig. 1, electromagnetic coil state and cooking process
Schematic diagram, wherein the dotted line in coil state indicates that coil does not work and solid line indicates that coil is powered on, the pressure of boiling stage
Double dot dash line above and below the line of force is the fluctuation range of maximum pressure value.
Appended drawing reference:
Cooking appliance 100, cooking space 101,
Culinary art main body 1, interior pot 2,
Lid 3,
Inner cover 31, cover board 32, recessing groove 321,
Steam valve module 33,
Spool 331, steam channel 3311,
Valve body 332, permanent magnet 3321, sealing 3322, float portion 3323,
Electromagnetic coil 333.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The steam valve module of the cooking appliance 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 4
33.The cooking appliance 100 of the embodiment of the present invention can be electric cooker, pressure cooker etc..
As shown in Figure 1, the steam valve module 33 of the cooking appliance 100 of embodiment according to a first aspect of the present invention, comprising: valve
Core 331, valve body 332 and electromagnetic coil 333.
Specifically, the steam channel 3311 that top is extended to by bottom end is equipped in spool 331；Valve body 332 is placed according to self weight
The top of spool 331 is to close and open the opening that steam channel 3311 is located at 331 top of spool；Electromagnetic coil 333 is used for
Upward power is applied to valve body 332 with magnetic force when energization, wherein valve body 332 is only placed according to self weight when 333 no power of electromagnetic coil
The top of valve body 332.
The course of work of above-mentioned steam valve module 33 is described in detail below with reference to Fig. 2 and Fig. 3.
When 333 no power of electromagnetic coil, there is no interaction force between electromagnetic coil 333 and valve body 332, at this point, valve
Body 332 closes the outlet of steam channel 3311 by the gravity G of itself, if the opening area that steam channel 3311 exports is S,
Valve body 332 is by the pressure P1=G/S in self gravity control cooking space 101, at this point, due to magnetic not in the related technology
The effect for the magnetic force F1 that iron generates, relies only on the weight pressure control of valve body 332, and the weight fluctuation of valve body 332 is smaller, so
The precision of P1 is with regard to relatively high, so as to realize high-precision pressure control.
It is preferred here that the valve body 332 of the embodiment of the present invention generallys use the technological formings such as injection molding, machining, therefore,
Its weight G can achieve ± 2% control precision, so being greatly improved using the precision of weight G pressure control.
When electromagnetic coil 333 is powered, electromagnetic coil 333 generates magnetic field, and it is upward which generates direction to valve body 332
Magnetic force F2, magnetic force F2 are with the gravity direction of valve body 332 on the contrary, at this point, the cooking of being connected to of steam channel 3311 that valve body 332 controls
Pressure P2=(the G-F2)/S prepared food in space 101.At this point, P2 < P1, and P1 is that steam valve module 33 of the invention is able to achieve most
Big pressure control pressure, and P1=(G)/S, so pressure control maximum value relies only on 332 weight G of valve body, since G stablizes, it can solve
Certainly maximum value P1=(332 weight G+ magnetic force F2 of valve body)/airflow channel sectional area of 33 pressure control of steam valve module in the related technology
S, because magnetic force F2 fluctuation (± 10% or so) greatly causes pressure control maximum value P1 also to fluctuate, big, pressure control is inaccurate, easy pressure out
The problems such as safety accident.
When electromagnetic coil 333, which is applied to the power on valve body 332, is greater than the gravity of valve body 332, at this point, electromagnetic coil 333
Valve body 332 can be driven to open the opening on 331 top of spool, cooking space 101 can pass through the opening of steam channel 3311 at this time
It is connected to exterior space.
The steam valve module 33 of cooking appliance 100 according to an embodiment of the present invention, in 333 no power of electromagnetic coil only according to
By the outlet of the gravity closing steam channel 3311 of valve body 332, pressure control precision is high, stability is good；It is powered in electromagnetic coil 333
When, electromagnetic coil 333 applies the upward active force in direction to valve body 332, and pressure control pressure at this time is less than pressure control when no power
Pressure, that is to say, that pressure control pressure when 333 no power of electromagnetic coil is the maximum pressure control pressure of cooking appliance 100, and this is controlled
The gravity that pressure pressure only relies on valve body 332 realizes that fluctuation is small, and stability is good, so as to effectively avoid pressure security accident.Separately
Outside, when electromagnetic coil 333, which is applied to the power on valve body 332, is greater than the gravity of valve body 332, electromagnetic coil 333 drives valve body 332
Open the opening of steam channel 3311, easy to exhaust pressure release.
In one embodiment of the invention, the weight G of valve body 332,3311 opening area S of steam channel meet: 20kPa
≤G/S≤30kPa.That is, valve body 332 can be arrived by the pressure limit that its own gravity can control in 20kPa
In the range of 30kPa.In this way, can satisfy cooking appliance 100 (such as electric cooker) normally cooks demand.
For example, the weight G and opening area S of valve body 332 meet: G/S=25kPa, in the process of cooking, when culinary art is empty
Between the air pressure in 101 and the difference between ambient atmosphere pressure when being greater than 25kPa, gas pressure in cooking space 101 can will
Valve body 332 is jacked up to open the opening of steam channel 3311, realizes exhaust pressure relief；Air pressure after pressure release in cooking space 101
When difference between ambient atmosphere pressure is less than 25kPa, valve body 332 falls the opening of closing steam channel 3311 after rise.In this way, cooking
Valve body 332 is constantly jacked up by air pressure, is fallen after rise during preparing food, so as to control the pressure in cooking space 101 at it
Fluctuation in maximum pressure control pressure environs.To realize the purpose for only relying on 332 weight pressure control of valve body.
Here, it should be noted that the relationship between the weight G and opening area S of valve body 332, it should according to specific
The culinary art pressure demand of cooking appliance 100 determines.
Since the maximum pressure control pressure of the steam valve module 33 of the embodiment of the present invention is the gravity by valve body 332 itself
Realize, therefore, in some embodiments of the invention, the weight G of valve body 332, the area S of opening, in cooking appliance 100 most
Big preset pressure P meets: P=G/S.
In some embodiments of the invention, the part that is magnetic can be set on valve body 332, magnetic part is used in electromagnetic coil
333 are moved up when being powered by the zone of action moving valve 332 of magnetic field force caused by electromagnetic coil 333.For example, magnetic part can be with
For permanent magnet 3321 or magnetic conductive part etc.
Since direction of the electromagnetic coil 333 to the power that valve body 332 applies is decided by the phase of electromagnetic coil 333 with valve body 332
Polarity after being powered to position and electromagnetic coil 333 between the magnetic field generated and valve body 332.
Therefore, to make electromagnetic coil to the action direction of the magnetic force of valve body and its gravity on the contrary, in some specific embodiments
In, electromagnetic coil 333 can be placed in 332 lower section of valve body, and valve body 332 is equipped with to repel each other forever with the electromagnetic coil 333 after energization
Magnet 3321.In this way, electromagnetic coil 333 pushes valve body 332 to move up after electromagnetic coil 333 is powered, electromagnetic coil is realized
Apply upward power to valve body 332 after 333 energizations.Thus, it is possible to which electromagnetic coil 333 is avoided to influence valve body 332 along the vertical direction
It floats, the steam for exporting discharge from steam channel 3311 is avoided to influence electromagnetic coil 333.In addition, electromagnetic coil 333 is located at valve body
332 lower section can continue to use traditional steam valve structure, and structure is simple, at low cost.
As shown in Figure 1, in certain embodiments, electromagnetic coil 333 can also be placed in 332 top of valve body, valve body 332
It is equipped with the permanent magnet 3321 or magnetic conductive part attracting with the electromagnetic coil 333 after energization.In this way, after electromagnetic coil 333 is powered,
Electromagnetic coil 333 also may be implemented push valve body 332 move up, realize electromagnetic coil 333 be powered after to valve body 332 apply to
On power.
According to some embodiments of the present invention, as shown in Figures 2 and 3, the outlet of steam channel 3311 is upward, valve body 332
It can also include: sealing 3322, sealing 3322 vertically extends, and sealing 3322 is suitable to sealingly close steam channel 3311
Outlet.Thus, it is possible to guarantee the sealing performance that sealing 3322 exports steam channel 3311, structure is simple.
Further, the lower end of sealing 3322 is on direction from top to bottom to contract, the lower end of sealing 3322
Face is less than the outlet of steam channel 3311.When the outlet of 3322 sealed steam channel 3311 of sealing, the lower end of sealing 3322
It can be inserted in steam channel 3311, thus, it is possible to further increase the sealing that sealing 3322 exports steam channel 3311
Effect.
Further, sealing 3322 can be rod-shaped in vertically extending.And the lower end of sealing 3322 can
With the taper being gradually reduced in size.Thus, it is possible to it is further simplified the structure of sealing 3322, manufacture easy to process.
In some specific examples of the invention, valve body 332 can also include float portion 3323, sealing 3322 and permanent magnetism
Body 3321 or magnetic conductive part are fixedly attached in float portion 3323 relatively.By the way that sealing 3322 and permanent magnet 3321 is fixed
In float portion 3323, when electromagnetic coil 333 is powered, permanent magnet 3321 or magnetic conductive part is driven to move up, permanent magnet 3321
Or magnetic conductive part can drive sealing 3322 to move up by float portion 3323, go out to realize and open steam channel 3311
Mouthful.
Preferably, as shown in Fig. 2, the lower end of float portion 3323 can surround the upper end of spool 331, that is to say, that float
At least part in portion 3323 is set on spool 331.
Further, permanent magnet 3321 or magnetic conductive part can be in the horizontal plates for being set to 3323 lower end of float portion or upper end
Shape.Thus, it is possible to keep the structure of steam valve module 33 more compact, installation space is reduced.
According to some embodiments of the present invention, spool 331 may include the conduit vertically extended, limit in conduit
Steam channel 3311 out, and the outlet of steam channel 3311 is formed on the upper surface of conduit.Thus, it is possible to simplify spool 331
Structure, it is easy to process, reduce cost.
In some specific examples of the invention, the permanent magnet 3321 on valve body 332 or magnetic conductive part can be in horizontal piece,
And permanent magnet 3321 or magnetic conductive part vertically slideably cover on conduit, upper downslide of the conduit to permanent magnet 3321 or magnetic conductive part
It is dynamic to play guiding role.
The lid 3 of the cooking appliance 100 of embodiment according to a second aspect of the present invention, comprising: inner cover 31, cover board 32 and according to
The steam valve module 33 of the cooking appliance 100 of the above-mentioned first aspect embodiment of the present invention, wherein inner cover 31 is located under cover board 32
Side, spool 331 are located on inner cover 31.
The lid 3 of cooking appliance 100 according to an embodiment of the present invention, by the culinary art that above-mentioned first aspect embodiment is arranged
The steam valve module 33 of electric appliance 100, to improve the overall performance of the lid 3 of cooking appliance 100.
In some embodiments, electromagnetic coil 333 is placed in 32 upper surface of cover board, and electromagnetic coil 333 and about 332 valve body
Face, valve body 332 are equipped with the permanent magnet 3321 or magnetic conductive part attracting with the electromagnetic coil 333 after energization.By electromagnetic coil 333
It is set on cover board 32, can adequately utilize the space on cover board 32, for example, using the space between cover board 32 and cover,
To improve space utilization rate, moreover, because the utilization rate to space is high, 332 lower section of valve body is placed in relative to electromagnetic coil 333
Technical solution for, can largely reduce the height of lid 3.
As shown in Figure 1, electromagnetic coil 333 is mounted on the upper surface of cover board 32.That is, electromagnetic coil 333 is mounted on
Between cover board 32 and the cover of cooking appliance 100.So as to make full use of the space between cover board 32 and cover, space is improved
Utilization rate.For example, electromagnetic coil 333 is mounted on the upper surface of 31 cover board 32 of inner cover.
Further, a part of cover board 32 raises upward to form recessing groove 321, and valve body 332 and about 321 recessing groove are just
It is right.Electromagnetic coil 333 is mounted on 321 roof of recessing groove.It, can be by recessing groove 321 come to valve by the way that recessing groove 321 is arranged
The up and down motion of body 332 is stepped down, and shortens the gap between inner cover 31 and cover board 32, to reduce the height of lid 3.
Furthermore it is possible to which being recessed downwards by a part of inner cover 31 forms recessing groove 321.
Further, the size of the horizontal cross-section of recessing groove 321 is greater than the horizontal cross section dimension of valve body 332, so that valve
Body 332 is vertically movable in recessing groove 321.Convenient for moving up and down for valve body 332.
Advantageously, when valve body 332 closes the outlet of steam channel 3311, the upper surface of valve body 332 is interior with recessing groove 321
The distance between top surface is not less than 10 millimeters.In this way, recessing groove 321 can to valve body 332 float up and down provide it is enough
Resigning distance allows valve body 332 to float up and down and is opened and closed steam channel 3311.
Further, spacing when valve body 332 closes the opening of steam channel 3311 between valve body 332 and inner cover 31 is little
In 10 millimeters.By reducing the distance between valve body 332 and inner cover 31, the height for reducing lid 3 can be further played
Purpose.
The application is mounted on cover board 32 by separating the electromagnetic coil 333 (high about 15mm) in steam valve module 33
On, only valve body 332 is located on inner cover 31, that is to say, that steam valve module 33 (the big component of an entirety) is dispensed into lid
In each section (cover board 32 and inner cover 31) of body 3, thus, it is possible to reduce the height (thickness) of lid 3.In some embodiments,
The height of the lid 3 of the application can accomplish 50mm or so.
In addition, the application can not only reduce the thickness of lid 3, may be used also by the way that electromagnetic coil 333 to be mounted on cover board 32
So that electromagnetic coil 333 is isolated entirely from valve body 332 and the outlet of steam channel 3311, realizes that vapour is electrically separated, promote the product longevity
Life and safety.In addition, valve body 332 and inner cover 31 integrally can also be removed by the way that valve body 332 to be mounted on inner cover 31
Cleaning is realized capable of washing.
In some embodiments, electromagnetic coil 333 can be placed in the lower section of valve body 332, valve body 332 be equipped with after energization
The permanent magnet 3321 that electromagnetic coil 333 repels each other.In this way, when electromagnetic coil 333 be powered after, electromagnetic coil 333 push valve body 332 to
Upper movement is realized and applies upward power to valve body 332 after electromagnetic coil 333 is powered.In addition, electromagnetic coil 333 is located at valve body 332
Lower section can continue to use traditional steam valve structure, structure is simple, at low cost.
Cooking appliance 100 according to a third aspect of the present invention, comprising: culinary art main body 1, interior pot 2 and lid 3, interior pot 2 are located at
It cooks in main body 1；Lid 3, which openably covers, to be located in culinary art main body 1, and lid 3 is the culinary art electricity according to second aspect of the present invention
The lid 33 of device 100, inner cover 31 is for covering interior pot 2.
Other compositions of cooking appliance 100 according to an embodiment of the present invention such as heating device 4 and control panel 5 etc. and behaviour
Make all to be known for those of ordinary skills, be not detailed herein.
Cooking appliance 100 according to the present invention, the lid 3 of the cooking appliance 100 by the way that above-mentioned second aspect is arranged, thus
Improve the overall performance of cooking appliance 100.
The cooking methods of cooking appliance 100 according to the present invention, the cooking appliance 100 include first party according to the present invention
The steam valve module 33 of the cooking appliance 100 in face, the cooking methods include: only to power in the pressure release stage to electromagnetic coil 333.
That is, the effect that electromagnetic coil 333 is powered on is to realize exhaust pressure relief.And in cooking appliance 100
Other working stages, for example, when cooking appliance 100 be switched on start to work when, 333 no power of electromagnetic coil does not work；When cooking
When electric appliance 100 of preparing food work pressure maintaining pressure control, 333 no power of electromagnetic coil does not work, only when cooking appliance 100 needs pressure release,
Electromagnetic coil 333 is just powered for driving valve body 332 to open steam channel 3311, realizes pressure release.
And cooking appliance 100 in the related technology is not exhaust pressure relief when coil is powered on.Therefore, the present embodiment
Cooking methods can greatly reduce the working time of electromagnetic coil 333, and performance is relatively reliable, and energy conservation.
For example, as shown in figure 4, electric cooker includes: electromagnetism when the cooking appliance 100 of the embodiment of the present invention is electric cooker
Coil 333, valve body 332, steam channel 3311, culinary art main body 1, interior pot 2, lid 3, control panel 5, heating device 4.Wherein, it covers
Body 3 includes cover board 32, and electromagnetic coil 333 is located at the top of cover board 32, and valve body 332 is located at the lower section of cover board 32 for closing steam
The outlet in channel 3311.
Control panel 5 controls electric cooker and works by cooking process, while control panel 5 can control electromagnetic coil 333
It is powered or powers off.The work process of electric cooker: heat up in electric cooker energization starting → control panel control heating device work → pot,
Generation steam → pot inner pressure rising → pot inner pressure reaches maximum value P max=(G)/S → and stablizes (the boiling of one section of cooking time
Stage) → electromagnetic coil 333 is powered on → adsorb valve body 332 → pressure release → pot inner pressure is gradually reduced → is exhausted and realize
Variable pressure.From the course of work it is found that it is to realize exhaust pressure relief that electromagnetic coil of the invention, which is powered on,.
Wherein, electric cooker is gradually increasing in heating period kettle temperature and pressure, when pot inner pressure reaches boiling point, is entered
Boiling stage, the pot inner pressure of boiling stage has reached the maximum working pressure (MWP) of electric cooker at this time, and in this stage, valve body 332 is not
It disconnectedly jacked up, fall after rise by air-flow, realize and fluctuate pressure control in pot above and below maximum working pressure (MWP), when from boiling stage
Will enter cook rice over a slow fire the stage when, electromagnetic coil 333 be powered, electromagnetic coil 333 drive valve body 332 move up, start pressure release, directly
It is fully completed to the stage of cooking rice over a slow fire, culinary art is completed.
That is, the electric cooker of the present embodiment, during cooked rice, electromagnetic coil 333 works and is mainly cooking rice over a slow fire
Stage.
In some embodiments, the maximum preset pressure P in cooking appliance is in the range of 20kPa to 30kPa.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
"lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " week
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (12)
1. a kind of steam valve module of cooking appliance characterized by comprising
Spool, the spool is interior to be equipped with the steam channel that top is extended to by bottom end；
Valve body, the valve body are located at spool top according to the top that self weight is placed in the spool to close and open the steam channel
Opening；
Electromagnetic coil, the electromagnetic coil are used to apply the valve body upward power with magnetic force when being powered,
Wherein, the valve body is only placed in the top of valve body according to self weight when the electromagnetic coil no power.
2. the steam valve module of cooking appliance according to claim 1, which is characterized in that the weight G of the valve body, described
Opening area S meets: 20kPa≤G/S≤30kPa.
3. the steam valve module of cooking appliance according to claim 1, which is characterized in that the weight G of the valve body, described
Maximum preset air pressure P in the area S of opening, the cooking appliance meets: P=G/S.
4. the steam valve module of cooking appliance according to any one of claim 1-3, which is characterized in that the electromagnetic wire
Circle is placed in above the valve body, and the valve body is equipped with the permanent magnet or magnetic conductive part attracting with the electromagnetic coil after energization.
5. the steam valve module of cooking appliance according to any one of claim 1-3, which is characterized in that the electromagnetic wire
Circle is placed in below the valve body, and the valve body is equipped with the permanent magnet to repel each other with the electromagnetic coil after energization.
6. a kind of lid of cooking appliance characterized by comprising
Inner cover and cover board, the inner cover are located at below the cover board；
Steam valve module, the steam valve module are the steam valve according to cooking appliance of any of claims 1-5
Component, the spool are located in described and cover.
7. the lid of cooking appliance according to claim 6, which is characterized in that the electromagnetic coil is placed on the cover board
Surface and with face above and below the valve body, the valve body be equipped with the permanent magnet or magnetic conduction attracting with the electromagnetic coil after energization
Part.
8. the lid of cooking appliance according to claim 7, which is characterized in that a part of the cover board raises upward shape
At the recessing groove, face above and below the valve body and the recessing groove.
9. the lid of cooking appliance according to claim 8, which is characterized in that the size of the horizontal cross-section of recessing groove is greater than
The horizontal cross section dimension of the valve body.
10. the lid of cooking appliance according to claim 6, which is characterized in that the electromagnetic coil is placed in the valve body
Lower section, the valve body are equipped with the permanent magnet to repel each other with the electromagnetic coil after energization.
11. a kind of cooking methods of cooking appliance, the cooking appliance includes according to any one of claims 1-5 cooks
It prepares food the steam valve module of electric appliance, which is characterized in that only in the pressure release stage to the solenoid.
12. the cooking methods of cooking appliance according to claim 11, the maximum preset pressure P in the cooking appliance exists
In the range of 20kPa to 30kPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553109.1A CN109199132A (en) | 2017-07-07 | 2017-07-07 | Steam valve module, lid and the cooking methods of cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553109.1A CN109199132A (en) | 2017-07-07 | 2017-07-07 | Steam valve module, lid and the cooking methods of cooking appliance |
Publications (1)
| Publication Number | Publication Date |
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| CN109199132A true CN109199132A (en) | 2019-01-15 |
Family
ID=64991225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710553109.1A Pending CN109199132A (en) | 2017-07-07 | 2017-07-07 | Steam valve module, lid and the cooking methods of cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109199132A (en) |
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| CN112493868A (en) * | 2020-12-01 | 2021-03-16 | 珠海格力电器股份有限公司 | Steam valve, cooking utensil and control method |
| WO2024098627A1 (en) * | 2022-11-11 | 2024-05-16 | 佛山市顺德区美的电热电器制造有限公司 | Lid body and cooking utensil |
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