CN110025214A - A kind of pressure-adjustable heating cooking device - Google Patents
A kind of pressure-adjustable heating cooking device Download PDFInfo
- Publication number
- CN110025214A CN110025214A CN201910287031.2A CN201910287031A CN110025214A CN 110025214 A CN110025214 A CN 110025214A CN 201910287031 A CN201910287031 A CN 201910287031A CN 110025214 A CN110025214 A CN 110025214A
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- Prior art keywords
- venthole
- pressure
- space
- regulation valve
- rod
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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
- A47J27/004—Cooking-vessels with integral electrical 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
- A47J27/0802—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
- 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
Abstract
Present disclose provides a kind of pressure-adjustable heating cooking devices, including housing main body；Interior pot, is placed in housing main body；Upper cover body is rotationally sticked on housing main body, forms cooking space between interior pot；The vapor space is formed inside upper cover body, is provided with the first venthole, and the first venthole is connected to cooking space and the vapor space；First pressure regulation valve body includes: limit arc, is located at the first venthole surrounding；Sphere is placed on limit arc；Driving assembly, for driving sphere activity in the space defined by limit arc, to open or close the first venthole, so that being not in superpressure phenomenon in cooking space.Second venthole is also connected with the vapor space；Second pressure regulation valve body includes ventilation frustum, for being located at the top of the second venthole；Sealing ring, corresponding ventilation cone machine hole installation；Driving assembly is used to open or closes the second venthole, so that pressure works under setting value in cooking space for driving the relative movement of sealing ring and frustum of ventilating.
Description
Technical field
This disclosure relates to field of household appliances more particularly to a kind of pressure-adjustable heating cooking device.
Background technique
Aspect is cooked for rice at present, many pressure-adjustable heating cooking devices (such as electric cooker) are a small number of to have holding
The function of certain pressure in pot body.Under the situation that pot nside steam is constantly assembled, pressure rise, just to the intracorporal steam of pot
It just quantitatively discharges, guarantees pressure in rated range, reach good culinary art effect, there are many kinds of technologies for existing discharge of steam
Scheme.
The prior art 1 provides a kind of pressure type cooker.Fig. 1 a and Fig. 1 b are to adjust in 1 pressure type cooker of the prior art
The schematic diagram of pressure valve switching mechanism.As illustrated in figs. 1A and ib, which includes: cover
410, the inner cover plate of lid is fixed on towards the side of steam spill cavity, surrounds the first valve in the periphery of the first venthole 250
Space, and push-and-pull hole 411, location hole 412 and bleeder port 413 are offered on the surface of cover 410；Valve seat 420, is fixed on first
In valve space, the position for corresponding to the first venthole 250 is formed with longitudinal steam channel 421；Sphere 430, with lid
It steam channel 421 and can be firmly placed in the way of prescribed direction scroll forward and backward on valve seat 420；Stabiliser bar 440, in the horizontal direction
Extraneous power is transferred in the first valve space by setting, and sphere 430 is pushed to cover steam channel 421 or roll from the position
It opens；First driving mechanism 460, front movable terminal protrude into steam spill cavity, after withstanding or being fixed on stabiliser bar 440
End.
In the pressure regulator valve opening and closing structure, it is in retracted state in the movable terminal of the first driving mechanism 460, due to the first pressure
The elastic acting force of contracting spring 450 is moved to the left stabiliser bar 440, and limiting section 442 is driven to be moved to the left, to pull ball
Shape object 430 leaves the position of 421 top of steam channel, keeps the first pressure regulator valve 400 in the open state, and cooking space passes through first
Valve space is connected to steam spill cavity.The movable terminal of first driving mechanism 460 is in stretching state, and top ejects stabiliser bar
440 move forward, and overcome the elastic acting force of the first compressed spring 450, push sphere 430 to roll to steaming by limiting section 442
The top in vapour channel 421 is in close state the first pressure regulator valve 400, and steam spill cavity is isolated with cooking space.
Fig. 2 is the schematic diagram of another pressure regulator valve switching mechanism in 1 pressure type cooker of the prior art, pressure regulation opening and closing knot
The second pressure regulator valve of structure 500 includes: stepper motor 510；Screw rod slide unit 520 is horizontally disposed with, the starting point connection stepping electricity of lead screw
Machine 510；L shape transmission arm 530, middle part are articulated in the upper cover of lid, and first end is fixed on the sliding block of screw rod slide unit 520；
Drive rod 540, the upper end abut or are fixed on the second end of L shape transmission arm 530, and lower end passes through frame section and enters steam spilling
It is intracavitary；Electrodeless adjustment valve 550, the upper end are connected to the lower end of the drive rod 540, and it is logical that the springy pressure in lower end is set to second
On stomata.
The pressure in pressure space is adjusted in second pressure regulator valve 500, when needing to control raising pressure, gives stepping
510 backing signal of motor pushes the lead screw of screw slide 520 to travel forward, thus the first end of L row transmission arm is with sliding block
Mobile and mobile to the direction a, the other end pulls up drive rod 540, and then loosens step-less adjustment valve 550 downwards, and second
Venthole and steam spill cavity communicate；
The prior art additionally provides the pressure history figure of normal pressures formula cooking pot pot nside.In the prior art 2
Shown in pressure variation it is as shown in Figure 3.Pressure variety in rice boiling stage, pot is bigger, and curve is obvious.
For the first pressure regulator valve of Fig. 1 a and Fig. 1 b, structure is complicated, and the limiting section effect of sphere is unobvious.
It for the second pressure regulator valve of Fig. 2, is driven using stepper motor, control precision is low, is not able to satisfy to pressure in pot body
Timely adjustment, cause pot inner pressure movable in very big section, the grain of rice cannot well hatch under fixation pressure.
For the pressure adjustment effect of Fig. 3, pressure is floated greatly, easily causes grain of rice hatching globality effect poor, the outlet grain of rice
The phenomenon that fracture.
Prior art 1:CN 104586248A；
Prior art 2:CN 103989400A.
Disclosure
(1) technical problems to be solved
In view of the above technical problems, present disclose provides a kind of pressure-adjustable heating cooking devices, in culinary art pressure adjustment
Aspect accomplishes that global optimization is promoted.
(2) technical solution
Present disclose provides a kind of pressure-adjustable heating cooking devices, comprising: housing main body；Interior pot is placed in described outer
In shell main body；Upper cover body is rotationally sticked on the housing main body, forms cooking space between the interior pot；It is described
Form the vapor space inside upper cover body, and be provided with the first venthole, first venthole be connected to the cooking space with it is described
The vapor space；First pressure regulation valve body, comprising: limit arc is located at the first venthole surrounding；Sphere is placed in the limit
On the arc of position；Driving assembly, for driving the sphere movable in the space defined by the limit arc, to open or close
First venthole, so that the cooking space is connected to or disconnects with the vapor space.
In some embodiments of the present disclosure, the driving component is electromagnetic drive component.
In some embodiments of the present disclosure, the electromagnetic drive component includes: cylinder；First electromagnetic coil is installed on institute
It states in cylinder；First axle stem can be moved along the axis of the cylinder；Safety push-rod is installed on first axle stem top；It resets
Spring connects the safety push-rod and the first axle stem, for providing to the safety push-rod and the first axle stem
One elastic force；When first electromagnetic coil is not motivated, the elastic force makes the safety push-rod that the sphere be pushed to leave institute
It states above the first venthole, to open first venthole；When first electromagnetic coil is motivated, described first is driven
Axle center column and the safety push-rod overcome the elastic force of the reset spring, make the safety push-rod to leaving the sphere
Direction it is mobile, the sphere returns to the top of first venthole, and to close first venthole, while safety pushes away
Bar withstands hatch emergency release cock, can not open upper cover body under this state.
In some embodiments of the present disclosure, the safety push-rod includes: the first deformable seal body, can be along direction and remote
Direction from the sphere deforms；Putter body, connects the reset spring and the first axle stem, and one end is
Connecting pin, the other end have location hole；Push rod limiting section pushes away the safety for limiting the moving distance of the location hole
Bar slides in fixed stroke range；When first electromagnetic coil is not motivated, the first axle stem is by the push rod
Ontology is pushed to the extreme position of the push rod limiting section, and the connecting pin of the putter body passes through the first deformable seal body
The sphere is pushed to leave above first venthole.
In some embodiments of the present disclosure, the vapor space includes: steam spill cavity, the first venthole connection
The steam spill cavity of the cooking space and the vapor space；Be additionally provided in the upper cover body: ball valve seat is fixed on institute
It states in steam spill cavity, first venthole is opened on the ball valve seat；The limit arc is formed on the ball valve seat.
In some embodiments of the present disclosure, the second pressure regulation valve body, second pressure regulation are additionally provided in the upper cover body
Valve body has the second venthole, and second venthole is connected to the cooking space and the vapor space；Second pressure regulation
Valve body is by being opened and closed control to second venthole, so that the cooking space and the vapor space connect on-off
It opens.
In some embodiments of the present disclosure, the second pressure regulation valve body includes: ventilation support, is provided with air flue and described
Two ventholes；Ventilation frustum, is fixed on the ventilation support, and the vapor space passes through the ventilation frustum, the air flue
It is connected to second venthole with the cooking space；Electromagnetic actuator device, for the described second ventilation of opening and closing
Hole, so that the cooking space is connected to and disconnects with the vapor space.
In some embodiments of the present disclosure, the electromagnetic actuator device includes: the second deformable seal body, the second axle center column
With the second electromagnetic coil；Second electromagnetic coil driving, second axle center column is mobile, the second axle center column front end connection
The second deformable seal body opens and closes second venthole by stretching the second deformable seal body.
In some embodiments of the present disclosure, further includes: pressure regulation valve control device and sensor group；The pressure regulator valve control
The information that mechanism is provided according to the sensor group controls the first pressure regulation valve body and/or the second pressure regulation valve body
System, to adjust the pressure in cooking space.
(3) beneficial effect
(1) in the first pressure regulation valve body, by the surrounding guiding role of limit arc, keep the position of sphere relatively fixed,
To the heating cooking device mobile in unintentional situation, big rolling offset will not be generated, largely escaping will not occur in steam
Ease phenomenon, avoids the generation of steam casualty accident, while under the action of safety push-rod, hatch emergency release cock can not be opened, will not
Cause the phenomenon that Rice & peanut milk and steam leak in pot；
(2) in the second pressure regulation valve body, by using electromagnetic coil, accelerate the response speed of valve, it can be empty to culinary art
Interior pressure control is more accurate, guarantees that the pressure fixing in cooking space in a certain numerical value, does small variations up and down.
Detailed description of the invention
Fig. 1 a and Fig. 1 b be respectively adjustable the first pressure regulator valve of the heating device switching mechanism of the prior art 1 side view and
Top view；
Fig. 2 is the structural schematic diagram of adjustable the second pressure regulator valve of heating device of the prior art 1；
Fig. 3 is 2 pressure cooker pot inner pressure change curve of the prior art；
Fig. 4 is the cross-sectional view according to embodiment of the present disclosure pressure-adjustable heating cooking device, wherein at the first pressure regulation valve body
In closed state；
Fig. 5 is the partial sectional view of the first pressure regulation valve body opening state shown in Fig. 4；
Fig. 6 is another cross-sectional view according to embodiment of the present disclosure pressure-adjustable heating cooking device, wherein the second pressure regulator valve
Body is in the open state；
Fig. 7 is the partial sectional view of the second pressure regulation valve body closed state shown in Fig. 6；
Fig. 8 is the exploded perspective view of the second pressure regulation valve body structure shown in Fig. 7；
Fig. 9 is embodiment of the present disclosure pressure-adjustable heating cooking device kettle temperature change curve；
Figure 10 is embodiment of the present disclosure pressure-adjustable heating cooking device pot inner pressure change curve.
Figure 11 is the structural schematic diagram of the second pressure regulation of embodiment of the present disclosure valve body.
[disclosure main element symbol description]
001- cooking pot ontology；
010- pot body sealing ring；
020- upper cover body；
Upper cover in 021-；
022- inner pot cover；
The first steam hole of 020a-；
The second steam hole of 020b-；
Pot in 030-；
040- housing main body；
050- vapor box；
The main venting channels of 050a-；
050b- steam spill cavity；
060a- side wall heating part；
The main heating part 060b-；
Heating part at the top of 060c-；
070- bottom temp sensor；
080- tip temperature sensor；
100- the first pressure regulation valve body；
101- ball valve seat；
The first venthole of 101a-；
101b- limits arc；
102- sphere；
103- the first deformable seal body；
104- first axle stem；
105- reset spring；
The first electromagnetic coil of 106-；
107- safety push-rod；
108- push rod limiting section；
The connecting pin 107a-；
107b- location hole；
200- the second pressure regulation valve body；
201- sealing station；
202- screw；
203- ventilation frustum；
204- sealing ring；
205- ventilation support；
The second venthole of 205a-；
The through-type venthole of 205b-；
206- sealing ring；
207- the second deformable seal body；
The second axle center 208- column；
The second electromagnetic coil of 209-.
Specific embodiment
Pressure-adjustable heating cooking device is " electric cooker " or " electric pressure cooking saucepan " being commonly called as, and can steam rice, cook gruel
Or stew meat, fish etc..Due to its cooking savory, feature-rich, pressure-adjustable heating cooking device has become at home
Indispensable kitchen utensils.
Below in conjunction with the attached drawing in embodiment and embodiment, to the technical solution in the embodiment of the present disclosure carry out it is clear,
Complete description.Obviously, described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Base
Embodiment in the disclosure, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment belongs to the range of disclosure protection.
The pressure-adjustable heating cooking device of the first embodiment of the present disclosure, as shown in Figure 4, comprising: cooking pot ontology 001.
Cooking pot ontology 001 includes: housing main body 040, upper cover body 020 and interior pot 030.
Housing main body 040 has hollow cavity.Interior pot 030 is placed in hollow cavity.The cooking pot ontology 001 it is similar
Structure has been well known to those skilled in the art, and is no longer further described herein.
Upper cover body 020 is rotationally sticked on the housing main body 040 of cooking pot ontology 001, can cover interior pot 030, from
And a cooking space is formed therebetween.For the airtightness for guaranteeing the cooking space, between upper cover body 020 and interior pot 030
It is additionally provided with pot body sealing ring 010.
Upper cover body 020 includes: interior upper cover 021 and inner pot cover 022, and it is empty that steam is formed between interior upper cover 021 and inner pot cover 022
Between.Wherein, which includes steam spill cavity and steam passage.The steam spill cavity is by being opened on inner pot cover 022
The first steam hole 020a and the second steam hole 020b communicated with cooking space, and pass through main venting channels 050a and cooking pot sheet
Space outside body 001 is connected.
In order to carry out comprehensive cooking to the food in cooking space, cooking pot ontology 001 is provided with heating component, uses
It is heated in the cooked object in cooking space.Heating component includes main heating part 060b, side wall heating part 060a and top
Portion heating part 060c.The hollow cavity bottom that main heating part 060b is set to housing main body 040 can be used as an example
The internal pot 030 of electromagnetic induction method is heated.Side wall heating part 060a is set to the hollow cavity side wall of housing main body 040.
Top heating part 060c is set in interior upper cover 021.
Meanwhile in order to which the environment to cooking space is monitored, cooking pot ontology 001 is provided with sensor group, for pair
Temperature and pressure in cooking space is monitored.Sensor group includes: bottom temp sensor 070, tip temperature sensor
080 and pressure sensor 090.Bottom temp sensor 070 is set to the hollow cavity bottom of housing main body 040 and close to interior pot
300 centers.Pressure sensor 090 and tip temperature sensor 080 are set to side of the upper cover body 020 towards cooking space.Pressure
Have sealing ring 206 between force snesor 090 and interior pot 030, for guarantee pressure sensor 090 detect pressure and interior pot 030
Pressure it is consistent.
First pressure regulation valve body 100 is installed, the connection of the first pressure regulation valve body 100 is steamed between housing main body 040 and upper cover body 020
Vapour spill cavity, for control to be opened and closed to the first venthole 101a for being connected to cooking space with the vapor space.
Pressure regulation valve control device is additionally provided in cooking pot ontology 001, the information for providing according to sensor group is to
One pressure regulation valve body 100 is controlled, to adjust the pressure in the cooking space.
First pressure regulation valve body 100 is used to control the connection of the first venthole 101a Yu 001 external space of cooking pot ontology.When
In the open state, the first venthole 101a's one pressure regulation valve body 100 is opened, and the steam in cooking space passes through the first ventilation
Hole 101a enters steam spill cavity, enters vapor box 050 by steam passage, the sky being then discharged to outside cooking pot ontology 001
Between；When the first pressure regulation valve body 100 is in close state, the first venthole 101a is closed, and the steam in cooking space cannot
Enter steam spill cavity by the first venthole 101a.
As shown in Figure 4 and Figure 5, in the present embodiment, upper cover body 020 further include: ball valve seat 101, sphere 102.First adjusts
Pressure valve body 100 includes: reset spring 105, safety push-rod 107 and plunger type component.Reset spring 105, safety push-rod 107 and column
Plug component forms driving assembly.
Ball valve seat 101 is fixed in the steam spill cavity of interior upper cover 021, is provided with the first venthole 101a.First ventilation
Hole 101a is longitudinal steam channel, is connected to steam spill cavity and cooking space.
Sphere 102 is placed on ball valve seat 101, can cover the first venthole 101a, and can be along two opposite sides
It is rolled on ball valve seat 101 to (left and right directions in such as Fig. 5).
Safety push-rod 107 can move (left and right directions in such as Fig. 5) along the direction toward and away from sphere 102.When it
When by external force, the top of safety push-rod 107 pushes sphere 102, rolls sphere 102 from the position of the first venthole 101a
It opens；Alternatively, the top of safety push-rod 107 is separated with sphere 102, sphere 102 is made to cover the first venthole 101a.
Plunger type component includes: cylinder, first axle stem 104, safety push-rod 107 and the first electromagnetic coil 106.First electromagnetism
Coil 106 is installed in cylinder, is wound into cylindrical shape.First axle stem 104 can move forward and backward (the right and left in such as Fig. 5 in cylinder
To).Safety push-rod 107 is mounted on the front end of first axle stem 104, and stabiliser bar, 104 top of first axle stem are withstood in front end
It is aligned with safety push-rod 107.
When the first pressure regulation valve body 100 receives opening signal, the first electromagnetic coil 106 in cylinder is not excited, and is being resetted
The effect of spring 105 is lower to be in extended state, and then its top is in stretching state.When the first pressure regulation valve body 100 receives closing letter
Number when, the first electromagnetic coil 106 is excited and shrinks, and pushes first axle stem 104 and safety push-rod 107 to move right, in turn
Its top is set to be in contraction state.
Reset spring 105 connects safety push-rod 107 and first axle stem 104, is used for safety push-rod 107 and the first axle center
Column 104 provides an elastic force.Under the action of the elastic force, the top of safety push-rod 107 is separated with sphere 102, makes sphere 102
Cover the first venthole 101a.
In the present embodiment, interior upper cover 021 can be integration production, and interior upper cover 021 is whole to be connected with steam channel, make interior
The cooking space of pot 030 is connected to external steam box 050.Interior upper cover 021 can also be prepared respectively by ontology and lid, can be with
It is opened type structure, and without special bleeder port, the implementation of the disclosure is not had an impact.
It can also be only that part is located in addition, can be entirely located in steam spill cavity 050b about ball valve seat 101
In steam spill cavity 050b, or in some cases, it is not provided with special steam spill cavity 050b and ball valve seat 101, as long as
Can have the push rod limiting section 108 that scope of activities restriction is got up in the horizontal direction of sphere 102, and have to stabiliser bar
Move horizontally generation support, can be realized the disclosure.
Safety push-rod 107 includes: putter body, the first deformable seal body 103, push rod limiting section that section is T-shape
108。
Putter body one end is connecting pin 107a, and the other end has location hole 107b.
First deformable seal body 103 is fixed on the opening of steam spill cavity 050b side wall, can be along toward and away from ball
The direction of shape object 102 deforms.
Push rod limiting section 108 is in same level and is oppositely arranged with safety push-rod 107, for limiting push rod sheet
The moving distance of body location hole 107b, slides safety push-rod 107 in fixed stroke range.
When the first electromagnetic coil 106 is not motivated, under the effect of 105 elastic force of reset spring, first axle stem 104 will pacify
Full push rod 107 is pushed to the extreme position of push rod limiting section 108, and the connecting pin 107a of putter body passes through the first deformable seal body
103 push sphere 102, and sphere 102 is made to get away from the position of the first venthole 101a.When the first electromagnetic coil 106 is swashed
When encouraging, first axle stem 104 overcomes the elastic force of reset spring 105, and the connecting pin 107a of putter body is made to leave sphere 102,
Sphere 102 is set to cover the first venthole 101a.
In the present embodiment, the surface of ball valve seat 101 towards sphere 102 is formed with limit arc 101b, for limiting ball
Shape object 102 is in fixed distance scroll and reset.Sphere 102 is placed on the limit arc 101b of ball valve seat 101, limits arc
101b is in the shape that center is low, surrounding is high.The central axis of safety push-rod 107,103 center of the first deformable seal body and sphere
102 centers are in same level.
Limit arc 101b restriction under, sphere 102 can scroll forward and backward (left and right directions in such as Fig. 5), to open
Or close the first venthole 101a.Also, the activity space of sphere 102 is limited in defined by limit arc 101b
It, will not be far from the first venthole 101a in portion space.First axle stem 104 drives safety under the effect of 105 elastic force of reset spring
Push rod 107 is mobile, and under the effect of push rod limiting section 108, safety push-rod 107 horizontal can only be slided, and push sphere 102.Ball
Shape object 102 can only horizontal rolling, without deviating.
When being not provided with special steam spill cavity 050b and ball valve seat 101, the first venthole 101a can be formed in upper cover
On body 020, limit arc 101b is formed in the first venthole 101a surrounding of upper cover body 020, sphere 102 is placed directly in limit
On arc 101b.
The first pressure regulation valve body 100 of the present embodiment switches between opening state and closed state, and detailed process is as follows:
1, opening state: the first electromagnetic coil 106 is not motivated, and the first electromagnetic coil 106 loses to first axle stem 104
Power, 105 elastic force of reset spring effect under, be moved to the left safety push-rod 107, and drive the first deformable seal body 103 to
It moves left, so that sphere 102 be pushed to leave the position above the first venthole 101a, opens the first venthole 101a, cook
Space of preparing food is connected to by the first venthole 101a with steam spill cavity 050b, keeps the first pressure regulation valve body 100 in the open state；
2, closed state: the first electromagnetic coil 106 is motivated, and the first electromagnetic coil 106, which is had an effect, drives first axle stem 104
It moves right, overcomes the elastic force of reset spring 105, sphere 102 is rolled to the top of the first venthole 101a, makes the first pressure regulation
Valve body 100 is in close state, and steam spill cavity 050b is isolated with cooking space.At this point, even if the case where shaking, due to
The effect of arc is limited, steam will not generate a large amount of escapes, cause casualty accident.
Wherein, sphere 102 has defined weight, and closes the first venthole 101a using its self weight.In addition to gold
Belong to except material, which can also be prepared with other materials with certain density, such as organic material.First deformation
The displacement of seal 103 is between 0.2mm-1.5mm.
In addition, limiting the hexagonal annular of arc 101b, but the disclosure is not limited thereto, the limit arc in the present embodiment
101b can also be the annular of other shapes, for example, square or octagon annular or circular ring shape.In another realization side
In formula, which is not formed on ball valve seat 101, and is affixed to steam spill cavity 050b, is buckled in sphere 102
The low hollow hemisphere of top, the high surrounding in center.
It should be noted that each component in the safety push-rod 107 of the present embodiment can be prepared and be welded and fixed respectively,
It is standby to can be integration system.Also, in the case where that can guarantee that safety push-rod 107 moves horizontally stable, push rod limiting section 108
It can be omitted.108 role of push rod limiting section is to guarantee do not shake, misplace during safety push-rod 107 moves forward and backward.
In addition, the first deformable seal body 103 can also use the sealing element of remaining form.Safety push-rod 107 takes into account locking and uncaps simultaneously
The function of switch locking presses lid-opening button on startup, can not open upper cover, guarantees that interior the contained rice of pot will not generate and lets out
Phenomena such as revealing, coming down in torrents.
It can be seen that the present embodiment passes through limit arc, and utilize the group of safety push-rod, reset spring and push rod limiting section
It closes, keeps the position of sphere relatively fixed, even if steam will not go out to shake the heating cooking device in unintentional situation
The phenomenon that now a large amount of escape phenomenons, maloperation opens hatch emergency release cock, causes rice that will spill, moves outside interior pot, avoid steam, height
The generation of the casualty accidents such as warm rice.
The pressure-adjustable heating cooking device of second embodiment of the present disclosure, it is above-mentioned in order to achieve the purpose that brief description
Any technical characteristic for making same application describes all and in this, without repeating identical narration in first embodiment.
As shown in fig. 6, the pressure-adjustable heating cooking device of the present embodiment, is also installed between outer cover case and upper cover body 020
There is the second pressure regulation valve body 200, connect steam spill cavity 050b, for being connected to cooking space with steam spill cavity 050b
Control is opened and closed in second venthole 205a.Second pressure regulation valve body 200 and the first pressure regulation valve body 100 are respectively arranged in interior upper cover
021 different location.
The information that pressure regulation valve control device is provided according to sensor group is to the first pressure regulation valve body 100 and/or the second pressure regulator valve
200 body of body is controlled, to adjust the pressure in cooking space.
As shown in Figure 7 and Figure 8, which includes: ventilation support 205, ventilation frustum 203 and driving dress
It sets.
Ventilation support 205, is fixed on upper cover body 020, is provided with L-type air flue, and bottom connects the first steam hole 020a, one
Side is provided with the second venthole 205a, the first steam hole 020a and the second venthole 205a and is connected to by L-type air flue.Ventilation support
There is sealing ring 206 between 205 and interior pot 030, for guaranteeing that transition connects gas-tight phenomenon.
Ventilation frustum 203 sealed 201 seal and are fixed on ventilation support 205 by screw 202, among it through close
Seal 204 seals.Frustum 203 of ventilating has hollow channel, is connected to steam seal chamber 050b and the second venthole 205a.
Driving device includes: the second deformable seal body 207, the second axle center column 208 and the second electromagnetic coil 209.Second electricity
Magnetic coil 209 drives the second axle center column 208 mobile, and the second axle center column front end connects the second deformable seal body 207, by stretching the
Two deformable seal bodies 207, open and close the second venthole 205a, reach cooking space and steam spill cavity with this
The connection and disconnection of 050b.
Wherein, ventilate support 205 on the second venthole 205a for air flue connection, but the present embodiment not as
Limit, the air flue mode of the ventilation support can be diversified forms, such as L-type, through-type, T-type, U-shaped etc..Existing form can reach
To the cleaning function well to the residual rice residue being detained in channel.
When the second venthole 205a is L-type venthole, L-type venthole can completely cut off ponding, the rice generated after steam cooling
Slurry flows back in interior pot, air flue can be kept dry in first time exhaust drying in ventilation next time, air flue inner wall it is bright and clean.
When the second venthole 205a is U-shaped venthole, U-shaped vent seal effect is good, and either on or off will not generate back
Flow phenomenon.Airless dead angle, noresidue.
When the second venthole 205a is through-type venthole, as shown in figure 11, the center of ventilation support 205 can be opened
There are two through-type venthole 205b, the circulation for steam and its carrying Rice & peanut milk, the grain of rice.Because the second venthole is linear type,
Be conducive to the circulation of steam and Rice & peanut milk, under the action of steam, the grain of rice, Rice & peanut milk depositional phenomenon will not be generated.In discharge of steam mistake
Cheng Zhong, Rice & peanut milk, the grain of rice in channel, under the action of steam power, Rice & peanut milk, the grain of rice are blown, and are discharged to the second pressure regulation along steam
Outside valve body.Under the action of air-flow blow-through, air flue will not generate phenomena such as obstructed, throughput is small, grain of rice residual, can accomplish to gas
Cleaning function in road.
Second pressure regulation valve body 200 is normally open valve, and 208 top of the second axle center column passes through the second deformable seal body 207 sealing the
Two venthole 205a disconnect cooking space and steam spill cavity 050b.When the first pressure regulation valve body 100 is closed, second pressure regulation
Valve body 200 can be attracted the second axle center column 208 by the driving of 209 excitation of the second electromagnetic coil, drive the second deformable seal body
207, to the Direction distortion far from the second venthole 205a, open the second venthole 205a, arrange the steam of cooking space
It puts, so as to adjust pot inner pressure freely between 1.05-1.3atm.Also, when pot inner pressure is greater than 1.5atm, this
Two pressure regulation valve bodies 200 can releasing pressure automatically play the effect of safety valve, to improve pressure-adjustable heating cooking device in cooking
During to pressure controlled precision.
As shown in figure 8, the second pressure regulation valve body 200 is used for when the first pressure regulation valve body 100 is in close state, it is empty to culinary art
Interior pressure is finely adjusted section, such as 1.0 adjusts between 1.5atm, while guarding against pressure (example when pot inner pressure is greater than to preset
Such as 1.5atm) when, releasing pressure automatically, so that pot inner pressure is within the scope of default safe pressure.When the second pressure regulation valve body 200 is opened
When, the second venthole 205a is opened, and the steam in cooking space can enter steam spill cavity by the second venthole 205a
050b, and the space outside cooking pot ontology 001 is entered via vapor box 050 by steam passage；When the second pressure regulation valve body 200 closes
When closing, the second venthole 205a is closed.
The course of work of second regulating valve in the present embodiment are as follows:
1, when needing to increase pressure, electrical excitation on the second electromagnetic coil 209 is attracted the second axle center column 208, drives the
The deformation of two deformable seal bodies 207, is sealed the second venthole 205a, and the company of cooking space and steam spill cavity 050b is truncated
It is logical, keep pot inner pressure persistently to increase.
2, when needing reduces pressure, the power-off of the second electromagnetic coil 209, the second axle center column 208 is in the second deformable seal body
Under 207 deformation force effect, whole far from the second venthole 205a (moving right in Fig. 7), the second deformable seal body 207 restores
Original state is connected to the second venthole 205a with steam spill cavity 050b.
In the present embodiment, pressure condition in the cooking space as described in pressure sensor monitoring, and then pressure regulator valve controls machine
Structure according to by pressure sensor monitoring to cooking space in pressure condition, bottom temp sensor 070, head temperature sense
The culinary art process for the temperature regime and itself storage in cooking space that device 080 detects, by controlling the first, second electromagnetic wire
Circle 106,209 controls the opening and closing of the first pressure regulation valve body 100 and the second pressure regulation valve body 200 respectively.About pressure sensor
With the structure and relative theory of pressure regulation valve control device, belong to known content in the art, details are not described herein again.
Fig. 9, Figure 10 are please referred to, the pressure-adjustable heating cooking device of the present embodiment needs to undergo such as when cooking rice
Under several stages:
1, the pre- heat absorbing water stage
First pressure regulation valve body 100 and the second pressure regulation valve body 200 are in nature, and (i.e. the first pressure regulator valve is in open shape
State, the second pressure regulator valve are in the open state), the two is not involved in work at this time, and side wall heating part 060a is mixed to the rice water in pot
It closes object to be heated, is kept for a period of time after reaching predetermined temperature, rice is in this stage pre- heat absorbing water.
2, the heating period is concentrated
In this stage, with strong fire, internally pot 030 is heated always, when tip temperature sensor 080 monitors 74 DEG C
When, it was demonstrated that water comes to life in pot.At this point, the first pressure regulation valve body 100 and the second pressure regulation valve body 200 enter closed state.
3, boil sustained period
In this stage, the fluidized state of water in interior pot is maintained, the starch gelatinization of rice is made.Side wall heating part 060a and top add
Hot portion 060c is opened, and when tip temperature sensor 080 reaches 120 degree, side wall heating part 060a and top heating part 060c are closed,
When tip temperature sensor 080 drops to 110 degree, side wall heating part 060a and top heating part 060c are reopened, this stage
Keep recurrent state.
In the leading portion process in this stage, fluidized state is in pot, pot inner pressure is persistently increased to 1.2atm, and at this time second
Pressure regulation valve body 200 opens number microsecond (such as 30 microseconds), and once to 1.2atm, the second pressure regulation valve body 200 is closed for pressure reduction.
In the middle section process in this stage, go up and down pot inner pressure in 1.2atm or so repeatedly, such purpose is to allow in pot
It generates a large amount of bubble and pushes rice to be cooked, can so make the heated and water suction of rice to be cooked more evenly.
The working method of two pressure regulator valves is: the second pressure regulation valve body 200 is in close state (the reason is that allowing its pressure can
Reach greater value), the first pressure regulation valve body 100 first is closed, and so that pressure is risen to preset pressure (such as 1.25atm), is then beaten again
It opens the second pressure regulation valve body 200, opens steam passage and carry out quantitative exhaust, be then shut off, it repeatedly for several times can (number be usual
It is to be determined according to the type of rice and rice amount, final criterion is to select rice to reach qualified soft or hard degree according to user
To determine).
Back segment process journey at this stage to the solid carbon dioxide stage, to control pressure and be maintained at preset value (such as 1.1atm) with
On, as shown in figure 9, the purpose for the arrangement is that rice is allowed preferably to be gelatinized the mouthfeel for improving rice at a higher temperature.
The working method of two pressure regulator valves is: the first pressure regulator valve is in close state down, is carried out by the second pressure regulator valve micro-
It adjusts.Second electromagnetic coil 209 first pushes the second axle center column 208, and the second deformable seal body 207 is made to be closed the second venthole
205a makes pressure rapidly increase to preset value (such as 1.2atm), when pressure is greater than preset value (such as 1.21atm), the second electricity
Magnetic coil 209 disconnects number microsecond (such as 20 microseconds), and the second venthole 205a is opened, after the time reaches, the second venthole 205a
It closes.Movement and so on can be such that pressure is more precisely controlled near preset value.
4, the solid carbon dioxide stage
In the first half term in this stage, internal pot 030 is persistently heated, and pressure continues control at preset value (such as 1.2atm)
Near, the second pressure regulation valve body 200 of control is opened, and extra steam is discharged by the second pressure regulation valve body 200.When on cooking bottom temperature
Stop heating when rising to 120 DEG C, the moisture in pot has largely evaporated at this time；The pressure of interior pot 030 starts slowly to decline.Side
Wall heating part 060a and top heating part 060c keeps recurrent state.
5, the steaming stage is boiled in a covered pot over a slow fire
In this stage, bottom-heated portion stage is heated to maintain the temperature in the bottom of a pan between 95-97 DEG C, makes the gelatinization of rice
Temperature is increased to 100%.The first pressure regulator valve and the second pressure regulator valve are in the open state during this, continue to evaporate extra moisture
Until cooking EP (end of program).
6, holding stage
In this stage, the heating of bottom-heated portion stage enables the temperature in the bottom of a pan be maintained at 72 DEG C, entire cooking at this time
Journey terminates, and openable lid body eats rice.
So far, disclosure pressure-adjustable heating cooking device introduction finishes.
In addition, the above-mentioned definition to each element and method is not limited in the various specific structures mentioned in embodiment, shape
Shape or mode, those of ordinary skill in the art simply can be changed or be replaced to it, such as: reset spring, deformable seal
Body can also be replaced with other suitable elastic components.
In conclusion the pressure-adjustable heating cooking device of the disclosure passes through limit arc, safety push-rod, reset spring and limit
The combination in position portion keeps the position of sphere relatively fixed, even if to shake the heating cooking device, steam in unintentional situation
A large amount of escape phenomenons will not occur, avoid the generation of steam casualty accident.Meanwhile cover switch is locked, it is not in miss
Operation, opens pot body under stress, Rice & peanut milk, steam is caused to leak, phenomenon of hurting sb.'s feelings.By the driving method to the second pressure regulator valve into
Row improves, and improves accuracy, reliability and the accuracy rating of control, is conducive to cook more delicious food.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and not only limiting
Various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out simply more it
Change or replaces, such as:
(1) direction term mentioned in embodiment, such as "upper", "lower", "front", "rear", "left", "right" etc. are only ginsengs
The direction of attached drawing is examined, not is used to limit the protection scope of the disclosure；
(2) above-described embodiment can be based on the considerations of design and reliability, and the collocation that is mixed with each other uses or and other embodiments
Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (9)
1. a kind of pressure-adjustable heating cooking device characterized by comprising
Housing main body；
Interior pot is placed in the housing main body；
Upper cover body is rotationally sticked on the housing main body, forms cooking space between the interior pot；The upper cover body
Inside forms the vapor space, and is provided with the first venthole, and first venthole is connected to the cooking space and the steam is empty
Between；
First pressure regulation valve body, comprising:
Arc is limited, the first venthole surrounding is located at；
Sphere is placed on the limit arc；
Driving assembly, for driving the sphere movable in the space defined by the limit arc, to open or close
The first venthole is stated, so that the cooking space is connected to or disconnects with the vapor space.
2. pressure-adjustable heating cooking device as described in claim 1, which is characterized in that the driving component is electromagnetic drive
Component.
3. pressure-adjustable heating cooking device as claimed in claim 2, which is characterized in that the electromagnetic drive component includes:
Cylinder；
First electromagnetic coil is installed in the cylinder；
First axle stem can be moved along the axis of the cylinder；
Safety push-rod is installed on first axle stem top；
Reset spring connects the safety push-rod and the first axle stem, is used for the safety push-rod and the first axle
Stem provides an elastic force；
When first electromagnetic coil is not motivated, the elastic force makes the safety push-rod that the sphere be pushed to leave described the
Above one venthole, to open first venthole；
When first electromagnetic coil is motivated, the drive first axle stem and the safety push-rod overcome the reset bullet
The elastic force of spring keeps the safety push-rod mobile to the direction for leaving the sphere, and the sphere returns to described first
The top of venthole, to close first venthole.
4. pressure-adjustable heating cooking device as claimed in claim 3, which is characterized in that the safety push-rod includes:
First deformable seal body can deform along toward and away from the direction of the sphere；
Putter body connects the reset spring and the first axle stem, and one end is connecting pin, and the other end has positioning
Hole；
Push rod limiting section makes the safety push-rod in fixed stroke range for limiting the moving distance of the location hole
Sliding；
When first electromagnetic coil is not motivated, the putter body is pushed to the push rod and limited by the first axle stem
The extreme position in portion, the connecting pin of the putter body are left described by the first deformable seal body promotion sphere
Above first venthole.
5. pressure-adjustable heating cooking device as described in claim 1, which is characterized in that the vapor space includes: steam
Spill cavity, first venthole are connected to the steam spill cavity of the cooking space Yu the vapor space；
Be additionally provided in the upper cover body: ball valve seat is fixed in the steam spill cavity, and first venthole is opened in described
On ball valve seat；The limit arc is formed on the ball valve seat.
6. pressure-adjustable heating cooking device as described in claim 1, which is characterized in that be additionally provided in the upper cover body
Two pressure regulation valve bodies, the second pressure regulation valve body have the second venthole, and second venthole is connected to the cooking space and institute
State the vapor space；
The second pressure regulation valve body is by being opened and closed control to second venthole, so that the cooking space and the steaming
Air space connection disconnects.
7. pressure-adjustable heating cooking device as claimed in claim 6, which is characterized in that the second pressure regulation valve body includes:
Ventilation support, is provided with air flue and second venthole；
It ventilates frustum, is fixed on the ventilation support, the vapor space passes through the ventilation frustum, the air flue and described
Second venthole is connected to the cooking space；
Electromagnetic actuator device is used for second venthole is opened and closed, so that the cooking space and the steam are empty
Between be connected to and disconnect.
8. pressure-adjustable heating cooking device as claimed in claim 7, which is characterized in that the electromagnetic actuator device includes:
Second deformable seal body, the second axle center column and the second electromagnetic coil；
Second electromagnetic coil driving, second axle center column is mobile, the second axle center column front end connection second deformation
Seal opens and closes second venthole by stretching the second deformable seal body.
9. pressure-adjustable heating cooking device as claimed in claim 6, which is characterized in that further include: pressure regulation valve control device
With sensor group；
The information that the pressure regulation valve control device is provided according to the sensor group is to the first pressure regulation valve body and/or described
Two pressure regulation valve bodies are controlled, to adjust the pressure in cooking space.
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| CN114370510B (en) * | 2021-12-29 | 2024-04-23 | 深圳市智厨数字电器有限公司 | Pressure sensing valve, steamed bun induction cooker and control method of steamed bun induction cooker |
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| CN114370510B (en) * | 2021-12-29 | 2024-04-23 | 深圳市智厨数字电器有限公司 | Pressure sensing valve, steamed bun induction cooker and control method of steamed bun induction cooker |
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