CN111990881A - Pressure cooking appliance, control method and control system thereof, and electronic equipment - Google Patents
Pressure cooking appliance, control method and control system thereof, and electronic equipment Download PDFInfo
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- CN111990881A CN111990881A CN201910446683.6A CN201910446683A CN111990881A CN 111990881 A CN111990881 A CN 111990881A CN 201910446683 A CN201910446683 A CN 201910446683A CN 111990881 A CN111990881 A CN 111990881A
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- pressure
- pressure cooking
- cooking appliance
- lock catch
- 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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0804—Locking devices
- A47J27/0806—Locking devices of the bayonet-type
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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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to the field of pressure cooking control, in particular to a pressure cooking appliance, a control method, a control system and electronic equipment thereof. The method is started based on a cooking program, firstly locks the cover body and the inner pot, enters a cooking stage, then judges whether the cooking enters a pressure cooking stage, controls the pressure cooking appliance to be in an upward pressure cooking state when the judgment result is that the cooking enters the upward pressure stage, maintains the pressure cooking, then judges whether the pressure cooking stage is finished, controls the pressure cooking appliance to be in a pressure relief cooking state when the judgment result is that the cooking is finished, enters a stewing stage, and controls the lock catch to unlock the cover body and the inner pot when the stewing stage is also finished. The pressure cooking appliance is prompted to enter the processes of normal pressure cooking, normal pressure stewing and cooking ending according to the established program through the control flow, and the pressure cooking appliance can safely perform cooking operation.
Description
Technical Field
The present invention relates to the field of pressure cooking control, and in particular, to a pressure cooking appliance, a control method thereof, a control system thereof, an electronic device, and a computer-readable storage medium.
Background
The lid of current electric rice cooker adopts no crane span structure, installs the hasp support on the inner cup promptly, and the hasp support sets up the hasp, carries out the lock through hasp to inner cup and interior pot. However, the bridge-free structure still adopts mechanical control, and the problems of untimely detection and untimely control in the cooking process cause cooking errors.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a pressure cooking appliance, a control method, a control system, electronic equipment and a computer readable storage medium thereof, and solve the problem that the bridge-free pressure cooking appliance is not smoothly controlled.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a method for controlling a pressure cooking appliance, including:
controlling a lock catch to lock a cover body and an inner pot of the pressure cooking appliance based on a cooking program starting signal;
after the pressure cooking stage is judged to be entered, controlling the pressure cooking appliance to be in an upward pressure cooking state;
maintaining pressure cooking;
judging the pressure cooking stage to be ended according to a preset condition, and controlling a pressure cooking appliance to be in a pressure relief cooking state;
and when the cooking program is judged to be finished, controlling the lock catch to unlock the cover body and the inner pot.
In some embodiments, preferably, the locking cover and the inner pot of the control lock catch comprise: the driving structure rotates positively to drive the lock catch to move towards the edge of the inner pot, and the cover body and the inner pot are locked by the lock catch; control hasp unblock lid and interior pot include: the drive structure rotates reversely to drive the lock catch to be far away from the edge of the inner pot, and the cover body and the inner pot are unlocked by the lock catch.
In some embodiments, preferably, the controlling the pressure cooking appliance to be in the upper pressure cooking state includes: the driving structure continues to rotate in the positive direction to drive the small ball push rod to move so as to push the pressure control small ball to the pressure relief hole.
In some embodiments, preferably, the condition for determining whether the pressure control small ball is pushed to the pressure relief hole is as follows: when the pressure control small ball is positioned above the pressure relief hole, the first microswitch is triggered;
when the first microswitch is triggered, the driving structure stops rotating in the positive direction.
In some embodiments, preferably, the controlling the pressure cooking appliance to be in the pressure relief cooking state includes: the driving structure continues to rotate reversely to drive the small ball push rod to move so as to pull the pressure control small ball to be separated from the pressure relief hole.
In some embodiments, preferably, before the controlling the lock to lock the cover and the inner pot based on the cooking program starting signal, the controlling method further includes: energizing the pressure cooking appliance; acquiring a signal of a second micro switch in the pressure cooking appliance, wherein the signal comprises: switching on and off; if the signal is on, the driving structure rotates reversely, and the driving structure drives the lock catch to unlock the cover body and the inner pot; if the signal is off, the driving structure rotates forwards to drive the lock catch to lock the cover body and the inner pot, and then the signal of the second microswitch in the pressure cooking appliance is obtained again.
The invention also provides a control system of the control method of the pressure cooking appliance, which comprises the following steps:
the signal acquisition module is used for acquiring a cooking program starting signal;
the first judgment module is used for judging that the cooking enters a pressure cooking stage;
the second judging module is used for judging whether the pressure cooking stage is finished or not according to preset conditions;
the control module is connected with the signal acquisition module, the first judgment module and the second judgment module and used for controlling the lock catch to lock the cover body and the inner pot, controlling the pressure cooking appliance to be in an upper pressure cooking state, maintaining pressure cooking, controlling the pressure cooking appliance to be in a pressure relief cooking state and controlling the lock catch to unlock the cover body and the inner pot.
In some embodiments, preferably, the control system further includes: the first microswitch is connected with the control module; the first microswitch is connected with a small ball push rod of the pressure cooking appliance, when the pressure control small ball is positioned on the pressure release hole, the first microswitch is triggered, and the driving mechanism stops positive rotation to drive the small ball push rod to move; when the pressure control small ball is separated from the pressure relief hole, the first microswitch is switched off.
In some embodiments, preferably, the control system further includes: the second microswitch is connected with the control module;
the second microswitch is connected with a lock catch support of a lock catch of the pressure cooking appliance, and when the lock catch locks the cover body and the inner pot, the second microswitch is triggered to stop the driving structure from driving the lock catch to continuously lock and move; when the lock catch unlocks the cover body and the inner pot, the second microswitch is switched off to stop the driving structure to drive the lock catch to continue unlocking movement.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to execute the control method.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control method.
The invention also provides a pressure cooking appliance, which comprises a pot body and a cover body, wherein an inner pot is placed in the pot body, the cover body comprises an inner cover and a cover plate assembly, the cover plate assembly is detachably arranged on the inner cover, the inner cover is provided with a lock catch and a driving structure, and the driving structure drives the lock catch to lock or unlock the cover body and the inner pot; the control system is also arranged.
(III) advantageous effects
The technical scheme provided by the invention is based on the starting of a cooking program, firstly, the cover body and the inner pot are locked, a cooking stage is entered, then, whether pressure cooking enters the pressure cooking stage or not is judged, when the judgment result is that the pressure cooking enters the pressure cooking stage, namely, the pressure cooking stage is entered, the pressure cooking appliance is controlled to be in the pressure cooking state, the pressure cooking is maintained, then, whether the pressure cooking stage is finished or not is judged, when the judgment result is that the pressure cooking appliance is finished, the pressure cooking appliance is controlled to be in the pressure relief cooking state, namely, the stewing stage is entered, and when the stewing stage is also finished, the lock catch is. The pressure cooking appliance is prompted to enter the processes of normal pressure cooking, normal pressure stewing and cooking ending according to the established program through the control flow, and the pressure cooking appliance can safely perform cooking operation.
On the other hand, before the cooking is started, the pressure cooking appliance is ensured to normally work by detecting the free opening and closing of the lock catch, and the locking and unlocking are normal, so that the safety of the cooking operation is improved.
Drawings
Fig. 1 is a flow chart illustrating a control method of a pressure cooking appliance according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating the process of controlling the pressure cooking device to be in the up-pressure cooking state after the cooking stage is determined to be in the pressure cooking stage according to an embodiment of the present invention;
FIG. 3 is a schematic view of a self-checking structure of a free-opening/closing lid of a pressure cooking appliance latch according to an embodiment of the present invention;
FIG. 4 is a logic flow diagram of a method for controlling a pressure cooking appliance in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a control system according to an embodiment of the present invention;
FIG. 6 is a perspective view of a pressure cooking appliance in accordance with an embodiment of the present invention;
FIG. 7 is a schematic top view of an inner lid according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along the line A of FIG. 7 in accordance with the present invention;
FIG. 9 is a sectional view taken along the line of FIG. 7B.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "first", "second", "third" and "fourth" do not denote any sequence relationship, but are merely used for convenience of description. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. "Current" is the time at which an action is performed, multiple occurrences of which are recorded in real time over time.
Products, methods, and the like will be described in detail below with reference to basic designs, extended designs, and alternative designs.
A control method of a pressure cooking appliance is applied to the pressure cooking appliance, and the pressure cooking appliance can comprise a pressure cooker, an electric cooker and the like. It includes: the pot body and lid, the internal pot of placing of pot, the lid includes inner cup and apron subassembly, covers including the detachable installation of apron subassembly, and when the lid closed on the pot body, lid and interior pot formed airtight space for the culinary art. In order to form a closed space between the cover body and the inner pot during pressure cooking, the cover plate assembly cannot be accidentally pushed open by high pressure, the inner cover of the pressure cooking appliance is provided with a lock catch, and the cover body and the inner pot can be locked together or unlocked by the lock catch under the action of the driving structure. The locking and unlocking of the lock catch are controlled by the control method. On the other hand, the cover body of the pressure cooking appliance is provided with the pressure relief hole and the pressure control small ball 21, the pressure control small ball is controlled by the small ball push rod, when the pressure control small ball falls on the pressure relief hole, air leakage in the pressure relief hole can be prevented, so that the pressure of the closed space between the cover body and the inner pot is ensured to be increased gradually, and when the pressure control small ball is separated from the pressure relief hole, the air in the closed space can be discharged through the pressure relief hole. The position relation between the pressure control small ball and the pressure relief hole is also controlled by the control method. Next, specifically, as shown in fig. 1:
this step is based on the pressure cooking appliance being powered on and receiving a cooking program start signal, which in different embodiments may come from different means, such as manually selecting a cooking program start; for another example: and automatic control, which belongs to the preliminary step of the program, and automatically enters the cooking program to start immediately after power is on. Of course, other programs may be connected, and when the previous program is finished, the program automatically enters the cooking program starting step.
In the step, only the cooking program starting signal is obtained, and based on the signal, the driving motor is controlled to drive the lock catch to lock the cover body and the inner pot. The hasp needs to be with lid and interior pot locking, and drive structure forward rotates in order to drive the hasp and to interior pot edge removal, and the hasp is with lid and interior pot locking.
Such as: the driving structure pushes the transmission frame to be close to the pressure cooking appliance; the transmission frame guides the guide rod of the lock catch support to move through the guide groove, and the guide rod is arranged in the guide groove; the lock catch support drives the lock catch to move towards the edge of the inner pot, and the cover body and the inner pot are locked by the lock catch.
The locking method of the lock catch will be described later in conjunction with the structure of the pressure cooking appliance.
it is clear that the lid and the inner pot are only in contact at the initial stage of cooking, and the closed space is at normal pressure. As the liquid boils in the kettle, water vapor is generated, thereby entering the pressure cooking stage. Therefore, it is necessary to determine whether to enter the pressure cooking stage, and if it is determined that the pressure cooking stage is entered, the operation program needs to be adjusted to the pressure cooking stage.
In the pressure cooking stage, the driving structure continues to rotate forward in the rotation direction locked by the lock catch to drive the small ball push rod to move so as to push the pressure control small ball to the pressure relief hole. Such as: the driving structure (such as a driving motor) continues to drive the transmission frame to move, the transmission frame drives the small ball push rod to move, the pressure control small ball is driven to move to the pressure release hole, the closed space is really closed, and gas leakage is prevented.
the operation procedure is a pressure cooking stage, in which the cover body and the inner pot are locked by the lock catch all the time, and the pressure control ball is positioned on the pressure relief hole. Along with the prolonging of the cooking time, the air pressure of the closed space is gradually increased to form a high-pressure atmosphere.
according to the above description of the cooking stage, taking cooking as an example, when entering the stewing stage, the pressure cooking stage is finished, so that whether the pressure cooking stage is finished or not is judged according to the processing state of food, the specific duration of pressure cooking and the like, and once the pressure cooking stage is finished, the driving structure continues to rotate reversely to drive the push rod of the small ball to move so as to pull the pressure control small ball to be separated from the pressure relief hole. Such as: the driving motor overturns to drive the transmission frame to move reversely, the transmission frame drives the small ball push rod to move, the small ball push rod drives the pressure control small ball to be separated from the pressure release hole, and the closed space is used for pressure release.
At this stage, the cover body and the inner pot are locked, the pressure control small ball is far away from the pressure release hole, and the air pressure of the closed space is gradually reduced to the normal pressure.
And step 120, controlling the lock catch to unlock the cover body and the inner pot when the cooking program is judged to be finished.
When the braising is finished, the cooking procedure is determined to be finished according to the braising time and the state of food, at the moment, the driving structure rotates reversely to drive the lock catch to be far away from the edge of the inner pot, and the cover body and the inner pot are unlocked by the lock catch. Such as: the driving motor pulls the transmission frame away from the pressure cooking appliance; the transmission frame guides the first guide rod of the lock catch support to move through the guide groove, and the guide rod is arranged in the guide groove; the lock catch support drives the lock catch to be far away from the edge of the inner pot, and the cover body and the inner pot are unlocked by the lock catch.
In other embodiments, a detection step may be added in step 112 to detect whether the ball pushing rod pushes the pressure control ball to the pressure relief hole, and when the pressure control ball is located on the pressure relief hole, the driving structure stops rotating, and step 112 is ended. Therefore, step 112 may include the following steps, as shown in FIG. 2:
step 1121, judging whether the cooking enters a pressure cooking stage;
step 1122-1-1, when the determination result is entry, the driving mechanism continues to rotate in the rotation direction (for example, forward rotation) during locking, and the small ball push rod is pushed to drive the small ball to move;
step 1122-1-2, detecting a signal of a microswitch at the small ball push rod, and if the signal exists, stopping the rotation of a driving mechanism (such as a driving motor); if there is no signal, the drive mechanism continues to rotate and steps 1122-1-2 are performed again.
And step 1122-2, when the cooking is judged not to enter the pressure cooking stage, continuing to perform the normal pressure cooking.
It should be noted that, in the specific embodiments, the operation of the pressure cooking appliance is described by taking cooking as an example, and in other embodiments, cooking may be replaced by other cooking manners.
Of course, in other embodiments, other determination methods may be used to determine the stop timing of the drive mechanism. Such as: the moving distance and the moving direction of the small ball push rod are determined through the size of the guide groove and the trend of the groove, and the small pressure control ball is ensured to just fall on the pressure relief hole.
In order to safely carry out the pressure cooking appliance, before the lock catch is controlled to lock the cover body and the inner pot based on the cooking program starting signal, the control method can also increase the self-checking that the locking and the unlocking of the lock catch of the pressure cooking appliance are controllable: that is, in some embodiments, step 108 may also be added before step 110: the free opening and closing cover of the pressure cooking utensil lock catch is self-checked so as to promote the rice cooker to be free to open and close under the starting state. As shown in fig. 3, the method specifically includes the following sub-steps:
step 108-1, electrifying the pressure cooking appliance;
step 108-2, acquiring signals of a microswitch in the pressure cooking appliance, wherein the signals comprise: switching on and off;
the microswitch can be distinguished from the microswitch in step 112, where the microswitch is associated with the latch bracket or latch, when the latch is locked, the microswitch is triggered to generate a signal, the signal is on; when the lock catch is unlocked, the microswitch has no signal, and the signal is off.
Step 108-3-1, if the signal is on, the driving structure rotates reversely to drive the lock catch to unlock the cover body and the inner pot;
the signal is on, which indicates that the lock catch can be locked; and then, carrying out unlocking inspection, driving the structure to rotate reversely, and unlocking the cover body and the inner pot by the lock catch.
And step 108-3-2, if the signal is off, then acquiring the signal of the microswitch in the pressure cooking appliance again.
And if the signal is off, the lock catch is in an unlocking state, then the locking check is carried out, the driving structure rotates forwards, the lock catch locks the cover body and the inner pot, then the step 108-2 is carried out again, and then the unlocking detection is carried out.
One specific embodiment is given next, as shown in fig. 4:
step 1, electrifying a rice cooker;
entering step 3 when a microswitch signal is available;
when no microswitch signal exists, entering the step 4;
step 3, the locking bracket is driven to reset by the reverse rotation of the (driving) motor, and the process is finished;
and 4, driving the lock catch to be locked by forward rotation of the (driving) motor, and returning to the step 2.
Step 5, starting cooking;
step 6, the motor is driven to rotate positively to drive the lock catch to lock;
step 7, judging whether to enter a pressure cooking stage;
if yes, entering step 8;
if not, step 7 is repeated.
Step 8, driving the small ball push rod to move rightwards by positive rotation of the (driving) motor;
step 9, detecting a microswitch signal at the small ball push rod;
if the signal exists, entering the step 10;
if no signal exists, returning to the step 8;
step 10, stopping driving the motor;
step 11, entering pressure cooking stage program control;
if yes, go to step 13;
if not, step 12 is repeated.
if yes, go to step 15;
if not, step 14 is repeated.
and step 16, ending.
The present invention provides a control system of a pressure cooking appliance corresponding to the foregoing control method, as shown in fig. 5, including: the cooking system comprises a signal acquisition module, a first judgment module, a second judgment module, a control module and the like, wherein the signal acquisition module is used for acquiring a cooking program starting signal; the first judgment module is used for judging that the cooking enters a pressure cooking stage; the second judging module is used for judging the end of the pressure cooking stage according to the preset condition; the control module is connected with the signal acquisition module, the first judgment module and the second judgment module and used for controlling the lock catch to lock the cover body and the inner pot, controlling the pressure cooking appliance to be in an upper pressure cooking state, maintaining pressure cooking, controlling the pressure cooking appliance to be in a pressure relief cooking state and controlling the lock catch to unlock the cover body and the inner pot.
In order to further determine the normal operation of the pressure cooking stage, the pressure relief condition can not occur, and whether the pressure control ball is accurately positioned on the pressure relief hole or not needs to be accurately determined. Therefore, the control system further comprises: the first microswitch is connected with the control module; the first microswitch is connected with a small ball push rod of the pressure cooking appliance, when the pressure control small ball is positioned on the pressure relief hole, the first microswitch is triggered, and when the pressure control small ball is separated from the pressure relief hole, the first microswitch is disconnected.
Simultaneously in order to detect whether the hasp normally locks or unblock, this control system still includes: the second microswitch is connected with the control module; the second microswitch is connected with a lock catch bracket of a lock catch of the pressure cooking appliance, and is triggered when the lock catch locks the cover body and the inner pot; when the lock catches unlock the cover body and the inner pot, the second microswitch is disconnected.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to execute the control method of the above embodiments.
The present invention also provides a computer-readable storage medium on which a computer program is stored, the computer program, when being processed and executed, implementing the control method of each of the above-described embodiments.
The invention also provides a pressure cooking appliance, which comprises a pot body and a cover body, wherein the inner pot is placed in the pot body, the cover body comprises an inner cover and a cover plate assembly, the cover plate assembly is detachably arranged on the inner cover, the inner cover is provided with a lock catch and a driving structure, and the driving structure drives the lock catch to lock or unlock the cover body and the inner pot; the inner cover is also provided with the control system of each embodiment.
The pressure cooking utensil, as shown in fig. 6-9, comprises a driving structure, a transmission frame 1 and a pressure relief ball push rod 2; wherein, the driving output end of the driving structure is connected with the transmission frame 1; the driving frame 1 is opened and is had first guide way 3, and pressure release bobble push rod 2 sets up first guide bar 4, and first guide bar 4 is in first guide way 3, and first guide way 3 includes: the first slot track 31, the first slot track 31 and the sliding direction of the transmission frame 1 form an acute angle.
When the pressure release, pressure release ball push rod 2 need promote the gas port that the ball deviates from pressure cooking utensil, in order to drive pressure release ball push rod 2 motion, guides pressure release ball push rod 2 in the direction removal of predetermineeing with the help of the mode of first guide way 3 in this technique. Wherein first guide way 3 sets up on driving frame 1, and driving frame 1 slides under the power effect of drive structure, keeps away from the interior pot top that the lid closed, and the first channel 31 of first guide way 3 on driving frame 1 is the acute angle with driving frame 1's slip direction, then, first guide way 3 trend pressure release ball push rod 2 on first guide way 4 moves on the gliding direction of perpendicular to driving frame 1 along first channel 31, and first guide way 4 drives pressure release ball push rod 2 and removes.
In this technique, the driving frame 1 is the special-shaped plate type shelf that covers the great region in the pressure cooking utensil pot top, wherein sets up a plurality of fretwork regions for other parts on the inner cup 23 pass, simultaneously in order to increase the intensity of driving frame 1, sets up a plurality of enhancement ribs on the driving frame 1. The partial region of transmission frame 1 sets up first guide way 3, and wherein the first channel 31 that sets up on the first guide way 3 inclines along the direction from interior pot edge to interior pot central zone, and when the pressurization state, first guide bar 4 is in the tip that is close to interior pot edge, and when transmission frame 1 removed, under the guide of first channel 31, pressure release pellet push rod 2 moved to the direction that is close to interior pot central zone, closes to the pressure release pellet and promotes the pressure release pellet.
The driving structure includes: the driving motor 13, the second gear 14, the power take-off shaft of driving motor 13 and second gear 14 fixed connection, the driving frame 1 sets up second rack 12, second gear 14 and the meshing of second rack 12. The second gear 14 corresponds to the drive output of the drive structure and is connected in a meshed manner.
Wherein the driving motor 13 is preferably a stepping motor, and the driving motor 13 can be fixed on the upper cover 24 through the pressing block 22. The power output shaft of the driving motor 13 and the second gear 14 are fixedly connected and coaxially arranged, for example, the second gear 14 is fixed on the power output shaft through a clamping piece or a pin. When the power output shaft of the driving motor 13 rotates, the second gear 14 is driven to rotate around the central shaft, the second gear 14 pushes the second rack 12 to move in a meshing mode, and the second rack 12 drives the transmission frame 1 to move.
The drive motor 13 and the second gear 14 mechanically drive the second rack 12. Normally, the first and second racks 5 and 12 are arranged at different positions on the transmission frame 1.
All the above mentioned operations are pressure relief operations, which are performed when the transmission frame 1 is acting in the direction of the driving structure.
The related design for opening the latch 20 after venting is given below:
in the technology, the lock catch 20 is still opened by the sliding of the transmission frame 1, and the sliding direction of the transmission frame 1 during the opening of the lock catch 20 is consistent with the sliding direction during the pressure relief operation. The first guide rod 4 based on the small pressure relief ball push rod 2 is arranged in the first guide groove 3, so that the small pressure relief ball push rod 2 does not move along with the transmission frame 1 when the transmission frame 1 continues to move, the first guide groove 3 further comprises a second channel 32 which plays a role of abdicating, the second channel 32 is communicated with the first channel 31, and the second channel 32 is parallel to the sliding direction of the transmission frame 1; when the pressure cooking appliance is pressurized, the first guide bar 4 is located at the end of the first guide groove 3 where the first channel 31 is located. After the pressure relief is finished, the transmission frame 1 continues to slide, the pressure relief small ball push rod 2 does not move along with the pressure relief small ball push rod, and the pressure relief small ball push rod 2 and the transmission frame 1 do relative movement, so that the conflict between the static state of the pressure relief small ball push rod 2 and the continuous movement of the transmission frame 1 is solved.
It was mentioned above that the locking catch 20 locks the inner lid 23 and the inner pan together, and it is necessary to remove the locking catch 20 to facilitate the separation of the inner lid 23 and the inner pan. The pressure cooking appliance further comprises: the transmission frame 1 is further provided with a third guide groove 17, the lock catch support 19 is provided with a third guide rod 18, and the third guide rod 18 is positioned in the third guide groove 17; the third guide groove 17 includes: third and fourth slots 171, 172; the third groove 171 is parallel to the sliding direction of the transmission frame 1; the fourth slot 172 forms an acute angle with the sliding direction of the transmission frame 1 and extends in a direction away from the central axis of the pressure cooking appliance. During the pressure relief, the transmission frame 1 slides, and the third guide bar 18 provided on the latch bracket 19 is kept stationary by the abduction of the third groove 171. After the pressure is released, the transmission frame 1 continues to move, the third guide rod 18 moves towards the direction close to the edge of the inner pot under the trend of the fourth groove 172, then the lock catch support 19 is further away from the edge of the inner pot, and the lock catch 20 on the lock catch support 19 is further away from the edge of the inner pot, so that the lock catch 20 is opened.
The end of the latch 20 is provided with a latching position for latching the inner lid 23 of the pressure cooking appliance with the inner pot. The lock catches 20 arranged on the lock catch support 19 can be uniformly provided with a plurality of lock catches 20 along the edge of the inner pot, or even number of lock catches 20 can be symmetrically arranged in an X-shaped mode. As long as the uniform stress is realized.
On the other hand, when the locking bracket 19 is far away from the edge of the inner pan, in order to improve the stability of the movement, the locking bracket 19 is provided with a second guide slot 15, and a second guide rod 16 is provided on the inner cover 11 of the pressure cooking appliance, the second guide slot 15 is parallel to the moving direction of the locking bracket 19, and the second guide rod 16 is positioned in the second guide slot 15. When the locking buckle 20 moves away from the edge of the inner pan along with the locking buckle support 19, the second guide rod 16 on the locking buckle support 19 moves in the second guide groove 15, and the second guide groove 15 defines the moving direction of the second guide rod 16, so that the moving stability of the locking buckle support 19 is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method of controlling a pressure cooking appliance, comprising:
controlling a lock catch to lock a cover body and an inner pot of the pressure cooking appliance based on a cooking program starting signal;
after the pressure cooking stage is judged to be entered, controlling the pressure cooking appliance to be adjusted to an upper pressure cooking state;
maintaining pressure cooking;
judging the pressure cooking stage to be ended according to a preset condition, and controlling a pressure cooking appliance to be in a pressure relief cooking state;
and when the cooking program is judged to be finished, controlling the lock catch to unlock the cover body and the inner pot.
2. The method of claim 1, wherein the locking the lid and the inner pan of the pressure cooking appliance by the control lock comprises: the driving structure rotates positively to drive the lock catch to move towards the edge of the inner pot, and the cover body and the inner pot are locked by the lock catch;
control hasp unblock lid and interior pot include: the drive structure rotates reversely to drive the lock catch to be far away from the edge of the inner pot, and the cover body and the inner pot are unlocked by the lock catch.
3. The method of controlling a pressure cooking appliance according to claim 2, wherein controlling the pressure cooking appliance to adjust to the up-pressure cooking state comprises: the driving structure continues to rotate in the positive direction to drive the small ball push rod to move so as to push the pressure control small ball to the pressure relief hole.
4. The method for controlling a pressure cooking appliance according to claim 3, wherein the condition for determining whether the pressure control ball is pushed to the pressure relief hole is: when the pressure control small ball is positioned above the pressure relief hole, the first microswitch is triggered;
when the first microswitch is triggered, the driving structure stops rotating in the positive direction.
5. The method of controlling a pressure cooking appliance according to claim 2, wherein controlling the pressure cooking appliance in a pressure relief cooking state comprises: the driving structure continues to rotate reversely to drive the small ball push rod to move so as to pull the pressure control small ball to be separated from the pressure relief hole.
6. The method of controlling a pressure cooking appliance according to any one of claims 1 to 5, wherein before the controlling the locking of the lid and the inner pan of the pressure cooking appliance by the lock based on the cooking program start signal, the method further comprises:
energizing the pressure cooking appliance;
acquiring a signal of a second micro switch in the pressure cooking appliance, wherein the signal comprises: switching on and off;
if the signal is on, the driving structure rotates reversely, and the driving structure drives the lock catch to unlock the cover body and the inner pot;
if the signal is off, the driving structure rotates forwards to drive the lock catch to lock the cover body and the inner pot, and then the signal of the second microswitch in the pressure cooking appliance is obtained again.
7. A control system for a pressure cooking appliance, comprising:
the signal acquisition module is used for acquiring a cooking program starting signal;
the first judgment module is used for judging that the cooking enters a pressure cooking stage;
the second judging module is used for judging whether the pressure cooking stage is finished or not according to preset conditions;
the control module is connected with the signal acquisition module, the first judgment module and the second judgment module and used for controlling the lock catch to lock the cover body and the inner pot, controlling the pressure cooking appliance to be in an upper pressure cooking state, maintaining pressure cooking, controlling the pressure cooking appliance to be in a pressure relief cooking state and controlling the lock catch to unlock the cover body and the inner pot.
8. The control system of claim 7, further comprising: the first microswitch is connected with the control module;
the first microswitch is connected with a small ball push rod of the pressure cooking appliance, when the pressure control small ball is positioned on the pressure release hole, the first microswitch is triggered, and the driving mechanism stops positive rotation to drive the small ball push rod to move; when the pressure control small ball is separated from the pressure relief hole, the first microswitch is switched off.
9. The control system of claim 7, further comprising: the second microswitch is connected with the control module;
the second microswitch is connected with a lock catch support of a lock catch of the pressure cooking appliance, and when the lock catch locks the cover body and the inner pot, the second microswitch is triggered to stop the driving structure from driving the lock catch to continuously lock and move; when the lock catch unlocks the cover body and the inner pot, the second microswitch is switched off to stop the driving structure to drive the lock catch to continue unlocking movement.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to perform the control method according to any of claims 1-6.
11. A computer-readable storage medium, on which a computer program is stored, which, when being processed and executed, implements the control method according to any one of claims 1 to 6.
12. A pressure cooking utensil is characterized by comprising a pot body and a cover body, wherein an inner pot is placed in the pot body, the cover body comprises an inner cover and a cover plate assembly, the cover plate assembly is detachably arranged on the inner cover, and a driving structure drives a lock catch to lock or unlock the cover body and the inner pot; a control system according to any one of claims 7 to 9 is also provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446683.6A CN111990881B (en) | 2019-05-27 | 2019-05-27 | Pressure cooking appliance, control method and control system thereof, and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910446683.6A CN111990881B (en) | 2019-05-27 | 2019-05-27 | Pressure cooking appliance, control method and control system thereof, and electronic equipment |
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| CN111990881A true CN111990881A (en) | 2020-11-27 |
| CN111990881B CN111990881B (en) | 2022-05-24 |
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| CN111990881B (en) | 2022-05-24 |
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