JP2023065597A - Cooking equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a control method of cooking equipment capable of achieving a pressure release operation before opening a lid with easy procedures and improving use reliability of the cooking equipment.

SOLUTION: Cooking equipment includes a pot body, a pot lid having a steam extraction hole and a pressure release hole, a steam extraction device for executing steam extraction so that a cooking chamber is brought into a negative pressure state, and a pressure release device for opening and closing the pressure release hole. The pot lid or the pot body is provided with a lid opening touch component. A control method includes a step for acquiring a lid opening signal transmitted by the lid opening touch component, a step for detecting whether or not the pressure in the cooking chamber is in a negative pressure state, and a step for controlling the pressure release device so as to open the pressure release hole until the pressure in the cooking chamber is restored to normal pressure and the pot lid is opened when the pressure in the cooking chamber is in the negative pressure state.

SELECTED DRAWING: Figure 5

COPYRIGHT: (C)2023,JPO&INPIT

Description

Cross-reference to related applications

This application is filed on the basis of Chinese patent applications with application numbers 201810918484.6, 201821304631.2, 201810917389.4, 201821304632.7 and filing date of August 13, 2018, and the priority of said Chinese patent applications , the entire contents of which are incorporated herein by reference.

TECHNICAL FIELD The present application relates to the technical field of cooking appliances, and more particularly to cooking appliances and control methods thereof.

Cooking utensils in the related art can keep cooked rice fresh for a long time by providing an air bleeder that bleeds air so that the cooking chamber of the cooking utensil is in a negative pressure state. However, when the cooking chamber is under negative pressure, the user cannot open the lid.

To solve the above problems, the cooking utensil is provided with a lid open button component with a fine movement switch, and when the user presses the lid open button, the fine movement switch is activated to further release the negative pressure state of the cooking chamber. Then, the lid opening operation is executed. However, if the phenomenon of the lid open button component getting stuck occurs, the fine switch cannot be activated normally, i.e. the depressurization operation before opening the lid cannot be achieved, which affects the user experience.

The present application aims to solve at least one of the technical problems in the prior art. Therefore, one object of the present application is to provide a cooking utensil control method that has a simple procedure, realizes a pressure release operation before opening the lid, and improves the reliability of using the cooking utensil.

The present application further provides cookware.

According to the method for controlling a cooking utensil according to an embodiment of the first aspect of the present application, there is provided a pot body having a cooking chamber with an open top, an air bleed hole and a pressure release hole, and an open position in the pot body. a pot lid mounted movably between a closed position, an air bleeder for bleeding air so that the inside of the cooking chamber is in a negative pressure state, a pressure relief device for opening and closing the pressure relief hole; A method of controlling a cooking utensil in which the lid or the pot body is provided with an open lid touch component, the method comprising the steps of: obtaining a lid open signal transmitted by the lid open touch component; detecting whether the pressure inside the cooking chamber is in a negative pressure state; and controlling a pressure relief device to open the pressure relief hole until the lid is opened.

According to the cooking utensil control method according to the embodiment of the present application, the installation of the lid open touch component enables the user to safely open the lid by controlling the lid open touch component, and the button component in the related art is used. Compared to the lid opening method that activates the micro-motion switch, there is no problem that the lid cannot be opened normally due to the phenomenon that the button component is locked, and the usage experience is better.

According to an embodiment of the present application, the open lid touch component includes a touch button and a touch module for sensing a touch action acting on the touch button and generating the open lid signal based on the touch action. ,including.

According to a preferred embodiment of the present application, prior to said step of acquiring a lid open signal sent by said lid open touch component, said touch module senses said touch motion lasting a first preset time. If so, the touch signal is generated based on the touch action.

According to another preferred embodiment of the present application, further comprising a human body sensing module for detecting whether a user has approached the cooking utensil, and acquiring the open lid signal sent by the open lid touch component. Before the step, when detecting that the user's approaching time to the cooking utensil reaches a second preset time, and the touch module senses the touch motion, the touch module detects the The lid open signal is generated based on the touch operation.

In some examples, the distance between the user and the cookware is preset for the second preset time period prior to the step of acquiring the lid open signal transmitted by the lid open touch component. When detecting that the distance is less than or equal to a set distance, and the touch module senses the touch action, the touch module generates the open lid signal based on the touch action.

In some examples, the human body sensing module is an infrared sensing sensor, a distance sensor, or a camera.

According to a further preferred embodiment of the present application, the pot body or the pot lid is further provided with an auxiliary function key, and before the step of acquiring the lid open signal sent by the lid open touch component, the touch When the button and the auxiliary function key are operated simultaneously or consecutively, the touch module generates the open lid signal based on the touch action.

According to an embodiment of the second aspect of the present application, the cookware includes a controller in communication with the air bleed device, the pressure relief device and the lid open touch component, the controller comprising the cookware according to the above embodiments. to carry out the control method of

According to an embodiment of the present application, the open lid touch component includes a button base defining a receiving chamber open on one side, a touch button provided in the receiving chamber, a touch button connected to the touch button and the a touch module in communication with the controller.

According to one embodiment of the present application, further comprising a locking member movable between a locking position and a separated position, when the locking member is in the locking position, the pot lid is locked in the closed position, and the The pot lid is disengaged from the closed position when the locking member is in the separated position.

According to an embodiment of the third aspect of the present application, there is provided a cooking utensil comprising: a pot body having an inner pot defining a cooking chamber therein; A top lid body having a stopper member, a pressure release hole and a pressure release chamber provided opposite to the cooking chamber, and an upper lid main body are electrically controlled to drive the first sealing member to open and close the pressure release hole. a lid opening button provided on the pot body or the lid; and connected or interlocked with the lid opening button, and the lid opening button is pressed. a mechanical pressure relief member configured to drive the first sealing member to open the pressure relief hole and/or release the seal between the pot lid and the inner pot, including.

According to the cooking utensil of the embodiment of the present application, by installing the lid open button and the mechanical pressure relief member, the pressure in the cooking chamber is released when the lid open button is pressed, and the pressure is released while pressing the lid open button to open the lid. Can be opened, easy and quick to operate. Thus, provided that the electric pressure relief member and the mechanical pressure relief member do not interfere with each other, the operator can manually manually Not only can the pressure be released from the cooking chamber, but also avoid the cookware being left in a negative pressure state for a long time, improve the safety of using the cookware, and even the potential safety risks can be reduced or eliminated.

According to some embodiments of the present application, the mechanical pressure relief member drives the first sealing member to open the pressure relief hole and the opening when the lid open button is pressed. The lid button and the mechanical pressure relief member are both configured to be provided on the top lid body.

In some embodiments, the first sealing member is a sealing ball, the mechanical pressure relief member is a pressure relief pushrod, and the pressure relief pushrod and the lid open button are connected to the top lid body. is slidably provided along a direction parallel to the central axis of the pressure relief hole, and the pressure relief push rod is provided toward the first sealing member and gradually moves downward from top to bottom. There is an angled pressing surface extending away from the pressure relief hole, the angled pressing surface abutting the first sealing member to open the pressure relief hole.

Further, the upper lid body includes a surface lid, an inner lid, and a lid plate that are connected in sequence, the pressure relief hole penetrates at least the lid plate, and the pressure relief chamber defines the surface lid and the inner lid. The top wall of the front lid has a first mounting through hole formed between it and the lid for sliding engagement with the lid open button, and the top wall of the inner lid slides against the pressure relief push rod. With a second mounting through-hole in dynamic engagement, the upper end of the pressure relief push rod is connected to the bottom of the lid open button, and the lower end passes through the second mounting through-hole to the pressure relief pushrod. extend into the chamber.

In some embodiments, the mechanical pressure relief member drives the first sealing member to open the pressure relief hole when the lid open button is pressed, and the lid open button presses the Provided on the pot body, the mechanical pressure relief member is configured to be provided on the pot lid.

Further, the mechanical pressure relief member is a pressure relief link rod, and the upper end of the lid open button is provided with a pressure relief link protruding from the upper end of the pot body, extending into the pot lid, and located in the pot lid. An extension rod is provided to drive the rod.

Further, the pressure release link rod is provided in the upper lid body so as to be slidable along a direction perpendicular to the central axis of the pressure release hole.

Preferably, the top lid body includes a surface lid, an inner lid, and a lid plate connected in sequence, the pressure relief hole penetrates at least the lid plate, and the pressure relief chamber extends through the surface lid. and said inner lid, said pressure relief link rod comprising a longitudinal rod extending through said inner lid and a lateral rod located between said inner lid and said surface lid, said A transverse rod extends into the pressure relief chamber for abutting engagement with a first sealing member located in the pan lid.

In some embodiments, the lid open button is pivotally connected to or abuttingly engaged with the mechanical pressure relief member.

Further, the cooking utensil further includes an elastic reset member connected to at least one of the lid open button and the mechanical pressure relief member to reset each.

In some embodiments, the lid comprises a second sealing member that engages the inner pot to seal the cooking chamber when the lid is closed, and the mechanical pressure relief member comprises: and, when the lid open button is pushed, it acts on the second sealing member to release the seal between the inner pot and the pot lid.

Further, the second sealing member is a sealing ring connected to the lower end of the top lid body, and the mechanical pressure relief member is configured to close the second sealing member when the lid open button is pressed. A lever moving pawl is inserted between the second sealing member and the inner pot such that a gap is formed between the stop member and the inner pot.

Preferably, the mechanical pressure release member and the lid open button are integrally molded and provided on the pot, have a third mounting through-hole in the outer wall of the pot, and has a fourth mounting through-hole in the top wall of the lid-opening button passes through the third mounting through-hole and is abutted against the inner wall of the pan via a spring; A mechanical pressure relief member is slidably provided in the fourth mounting through hole.

According to some embodiments of the present invention, the open lid button is configured to unlock the lid and the pot body when pressed.

Additional aspects and advantages of the present application will be set forth in part in the description that follows, and in part will become more apparent from the description, or may be learned through practice of the present application.

The above and/or additional features and advantages of the present application will be made clearer and easier to understand by describing embodiments with reference to the following drawings.

1 is a structural schematic diagram of a cooking utensil according to an embodiment of the present application; FIG. FIG. 2 is a structural schematic diagram of a pot lid of a cooking utensil according to an embodiment of the present application; FIG. 4 is a structural schematic diagram of the open lid touch component of the cooking utensil according to an embodiment of the present application; FIG. 4 is a structural schematic diagram of the button base of the cooking utensil according to the embodiment of the present application; 4 is a flow chart of a method for controlling a cooking appliance according to an embodiment of the present application; 1 is a schematic diagram of a cooking utensil according to a first embodiment of the present application; FIG. 1 is a partially enlarged schematic diagram (a mechanical pressure relief member closing a pressure relief hole) of the cooking utensil according to the first embodiment of the present application; FIG. Fig. 2 is another partially enlarged schematic view of the cooking utensil according to the first embodiment of the present application (mechanical pressure relief member opening the pressure relief hole); Fig. 2 is a schematic diagram of a cooking utensil according to a second embodiment of the present application; Fig. 3 is a schematic diagram of a cooking utensil according to a third embodiment of the present application; Fig. 11 is a partially enlarged schematic view (mechanical pressure relief member closing the pressure relief hole) of the cooking utensil according to the third embodiment of the present application; Fig. 10 is another partially enlarged schematic view (mechanical pressure relief member opening the pressure relief hole) of the cooking utensil according to the third embodiment of the present application;

Examples of the present application will be described in detail below. Examples of said embodiments are shown in the drawings, where identical or similar reference numbers always denote identical or similar parts or parts having the same or similar function. The embodiments described below with reference to the drawings are exemplary and should only be interpreted as interpreting the present application and should not be understood as limiting the present application.

Hereinafter, a method for controlling a cooking appliance according to an embodiment of the first mode of the present application will be described with reference to FIGS. 1 to 5. FIG.

As shown in FIGS. 1 to 5, the cooking utensil 100 according to the embodiment of the present application has a pot body 10 having a cooking chamber a with an open top, an air bleed hole 214 and a pressure release hole b, and is in an open position. a pot lid 20 movably attached to the pot body 10 between the closed position and the closed position; , a pressure relief device 80 for opening and closing the pressure relief hole b, and the pot lid 20 or pot body 10 is provided with a lid opening touch component 90 . A "negative pressure condition" as used herein is a condition in which the air pressure in the cooking chamber is less than normal pressure (ie, one atmospheric pressure).

Here, a pot lid including an inner lid 212, a lid plate 213 provided on the side of the inner lid 212 facing the cooking chamber a, and a surface lid 211 provided on the side of the inner lid 212 facing away from the cooking chamber a. 20 is pivotally mounted on the pot body 10 and the cover plate 213 is provided with an air bleed hole 214 and a pressure relief hole b.

In addition, the control method of the cookware is
a step S1 of acquiring a lid open signal transmitted by the lid open touch component;
Step S2 of detecting whether the air pressure in the cooking chamber is in a negative pressure state;
step S3 of controlling the pressure relief device to open the pressure relief hole until the pressure in the cooking chamber is restored to the normal pressure state and the pot lid is opened when the pressure in the cooking chamber is in a negative pressure state; ,including.

Specifically, when the cooking utensil 100 is in operation, if the user needs to open the lid partway through, first, the lid open touch component 90 is operated so that the lid open touch component 90 emits a lid open signal, and cooking is performed. When it is detected that the pressure inside the chamber a is negative, the pressure release device 80 is controlled to open the pressure release hole b to release the pressure, and the pressure inside the cooking chamber a is restored to normal pressure. If so, the lid opening operation is performed, and if it is detected that the atmospheric pressure in the cooking chamber a is normal pressure, the lid opening operation is performed directly.

According to the cooking utensil control method according to the embodiments of the present application, the installation of the lid-opening touch component enables the user to safely open the lid by controlling the lid-opening touch component, and the button component in the related art allows the user to make a slight movement. Compared with the switch-triggered lid opening method, there is no problem that the lid cannot be opened normally due to the occurrence of the phenomenon that the button component is locked, and the using experience is better.

According to one embodiment of the present application, the open lid touch component 90 includes a touch button 91 and a touch module 92 for sensing a touch motion acting on the touch button 91 and generating an open lid signal based on the touch motion. ,including. Specifically, when the user needs to open the lid in the middle, first press the touch button 91 with the hand, the touch module 92 senses the touch motion acting on the touch button 91, and then the sensed touch motion A lid open signal is generated for subsequent control.

In some examples, the touch module 92 may be a pressure sensor, i.e., a pressure sensor for sensing a force acting on the touch button 91 and generating an open lid signal from the sensed force; Of course, touch module 92 may be other types of sensors.

According to a preferred embodiment of the present application, after the touch module 92 senses that the touch action lasts for a first preset time before obtaining the open lid signal sent by the open lid touch component 90, A touch signal is generated based on the touch motion.

In other words, when the user needs to open the lid partway through the operation of the cooking utensil 100, first, the person manually presses the touch button 91 for a long time. When the touch module 92 senses that the time when a person long-presses the touch button 91 with a hand reaches the first preset time, it generates a touch signal based on the touch motion, thereby preventing the user's erroneous operation from occurring. It is possible to prevent the occurrence of the problem that the lid is opened.

According to another preferred embodiment of the present application, the cooking utensil 100 further includes a human body sensing module (not shown) for detecting whether the user has approached the cooking utensil, and the open lid touch component 90 is If the touch module 92 detects that the user has approached the cooking utensil 100 for a second preset time before obtaining the open lid signal to transmit, and the touch module 92 senses the touch motion, the touch module 92 generates a lid open signal based on the touch motion.

Specifically, when the cooking utensil 100 is in operation, if the user needs to open the lid in the middle, first, a person operates the touch button 91 by hand, and at the same time, the human body sensing module detects whether there is a person approaching the cooking utensil 100 . If the touch module 92 detects whether or not the user has approached the cooking utensil 100 for a second preset time, the touch module 92 generates an open lid signal based on the touch action. As a result, it is possible to prevent the lid from being opened due to user's erroneous operation.

In some examples, the distance between the user and the cookware is less than or equal to the preset distance within a second preset time period before obtaining the open lid signal transmitted by the open lid touch component. If there is and the touch module senses a touch motion, the touch module generates an open lid signal based on the touch motion. For example, the human body sensing module is provided on the front of the cooking utensil 100, and when the user stands at a preset distance away from the front of the cooking utensil 100 within a second preset time, touch Pressing the button 91 triggers the touch module 92 to output an open lid signal.

In some examples, the human body sensing module is an infrared sensing sensor, a distance sensor, or a camera, and the human body sensing module has a simple structure and can intuitively detect whether a person approaches the cooking utensil. , which facilitates subsequent control.

According to another preferred embodiment of the present application, the pot body 10 or the pot lid 20 is further provided with an auxiliary function key (not shown) for, before obtaining the lid open signal sent by the lid open touch component 90, When the touch button 91 and the auxiliary function keys are controlled simultaneously or continuously, the touch module 92 generates a cover open signal according to the touch action. As a result, it is possible to prevent the cover from being opened due to the user's erroneous operation of only the touch button 91 .

The cookware 100 according to an embodiment of the present application includes a controller (not shown), that is, the cookware 100 includes a pot body 10, a pot lid 20, an air bleed device 70, a pressure relief device 80, and a lid opener. It includes a touch component 90 and a controller. The controller communicates with the air bleed device 70, the pressure relief device 80 and the open lid touch component 90, and the controller implements the method of controlling the cookware according to the above embodiments.

According to the cooking utensil 100 according to the embodiment of the present application, by executing the above-described control method, the user can safely open the lid by operating and controlling the open lid touch component 90, and the button component in the related art Compared with the lid opening method that triggers the fine switch with the button, there is no problem that the lid cannot be opened normally due to the phenomenon that the button component is locked, and the using experience is better.

According to one embodiment of the present application, the open lid touch component 90 includes a button base 93 defining a receiving chamber 931 open on one side, a touch button 91 provided within the receiving chamber 931, and a touch button 91 . and a touch module 92 connected to and in communication with the controller.

When the user needs to open the lid in the middle, first press the touch button 91 with the hand, the touch module 92 senses the touch motion acting on the touch button 91, and then outputs the lid open signal from the sensed touch motion. generated and fed back to the controller, then the controller controls the pressure release device 80 to open the pressure release hole b to release the pressure, and when the pressure in the cooking chamber a recovers to normal pressure, the lid opening operation is performed. do.

In some examples, the touch button 91 is movably provided in a housing chamber 931, the touch button 91 has a guide column 911, and the button base 93 has a guide groove 932 that engages with the guide column 911. The touch module 92 is located between the touch button 91 and the button base 93 . The installation of the guide column 911 and the guide groove 932 engaged with the guide column 911 can ensure the normal movement of the touch button 91 and prevent the occurrence of the locking phenomenon.

The cooking utensil 100 according to an embodiment of the present application further includes a locking member movable between a locking position and a separated position, when the locking member is in the locking position, the pot lid 20 is locked in the closed position and the locking member is in the separated position, the lid 20 is disengaged from the closed position.

If the user needs to open the lid during operation of the cooking utensil 100, the user can manually open the lid by pressing the touch button 91 after the atmospheric pressure in the cooking chamber a is restored to normal pressure. , or the controller controls the locking member to move further to the separated position, thereby disengaging the lid 20 from the closed position.

Hereinafter, a cooking utensil 100 according to an embodiment of the second aspect of the present application will be described in detail with reference to FIGS. 1 to 5. FIG. The cookware 100 here can be a rice cooker, an electric pressure cooker, or the like.

A cooking utensil 100 according to an embodiment of the present application includes a pot body 10, a pot lid 20, an air bleed device 70, a pressure relief device 80, a lid open touch component 90 and a controller. The pot body 10 has an inner pot 11 defining an open-topped cooking chamber a. A pot lid 20 was attached to the pot body 10 so as to be pivotable between an open position and a closed position. The pot lid 20 includes an inner lid 212, a lid plate 213 and a surface lid 211, the lid plate 213 being provided on the side of the inner lid 212 facing the cooking chamber a, the lid plate 213 having an air bleed hole 214 and a pressure A vent hole b is provided, and the surface lid 211 is provided on the side of the inner lid 212 facing away from the cooking chamber a.

The air bleed device 70 is provided on the inner lid 212 and includes a vacuum pump 71, an electromagnetic valve 72 and an air bleed pipe 73. The vacuum pump 71 communicates with the air bleed hole 214 via the air bleed pipe 73 to open the cooking chamber. The solenoid valve 72 is provided between the vacuum pump 71 and the air bleed hole 214 to communicate the air passage between the vacuum pump 71 and the air bleed hole 214. The vacuum pump 71 and the solenoid valve 72 each communicate with the controller.

A pressure release device 80 for opening and closing the pressure release hole b is provided in the inner lid 212 . A pressure relief device 80 communicates with the controller. The open lid touch component 90 is provided on the pot body 10 or the lid 20 and communicates with the controller. The module 92 communicates with the controller and is connected to the touch buttons 91 .

When the user needs to open the lid partway through the operation of the cooking utensil 100, first, the lid open touch component 90 is operated and controlled so that the lid open touch component 90 emits a lid open signal, and the cooking chamber a is opened. When it is detected that the air pressure is in a negative pressure state, the pressure relief device 80 is controlled to open the pressure relief hole b to release the pressure. When performing the operation and detecting that the air pressure in the cooking chamber a is normal pressure, the direct lid opening operation is performed.

In order to prevent the user from accidentally touching the touch button 91 and canceling the negative pressure state, the touch button 91 should be pressed for a long time for a first preset time before outputting the cover open signal. Alternatively, a human body sensing module is installed in front of the cooking utensil 100, and when the user presses the touch button 91 while standing in front of the cooking utensil 100 within a second preset time, the touch module 92 is triggered to output a lid open signal, thereby releasing the negative pressure state, or by operating the touch button 91 or the auxiliary function key of the control interface, to release the negative pressure state. good too.

In addition, in the related art, first unlocking with vacuum (unlocking by methods such as pushing the ball with an electromagnet), and then pressing the open lid button to open the lid not only requires complicated operation steps, but also , the user can not open the pot lid just by pressing the lid open button, and the consumer will recognize that the product is broken, and it is easy to maintain or complain. Also, if the electromagnet breaks down and the product is kept under negative pressure all the time, it is very dangerous. Therefore, the present invention has both the functions of electrically controlled pressure relief and manual pressure relief, and without interfering with each other, the lid can be opened by releasing the pressure while pressing the open lid button, and the operation is easy and quick. , to provide cookware with superior reliability and safety.

Hereinafter, a cooking utensil 100 according to an embodiment of the third aspect of the present application will be described with reference to FIGS. 6 to 12. FIG.

6, 9 and 10, the cooking utensil 100 according to the embodiment of the present application includes a pot body 10, a pot lid 20, a lid open button 30, and a mechanical pressure relief member 40. As shown in FIGS.

Here, the pot body 10 has an inner pot, a cooking chamber a is defined in the inner pot 11, a pot lid 20 is provided on the pot body 10 so as to be openable and closable, and the pot lid 20 is attached to the cooking chamber a. An upper lid main body 21 having a pressure release hole b and a pressure release chamber c provided facing each other, and an electric motor configured to drive a first sealing member 23 under electrical control to open and close the pressure release hole b. Including a pressure release member 22 and a first sealing member 23, a lid opening button 30 is provided on the pot body 10 or the pot lid 20, and a mechanical pressure relief member 40 is connected or interlocked with the lid opening button 30. be done.

The mechanical pressure relief member 40 drives the first sealing member 23 to open the pressure relief hole b and/or seal the pot lid 20 and the inner pot 11 when the lid open button 30 is pressed. configured to release.

That is, the mechanical pressure relief member 40 drives and moves the first sealing member 23 so as to open the pressure relief hole b, thereby communicating the cooking chamber with the pressure relief chamber c and releasing the pressure. Alternatively, the mechanical pressure relief member 40 communicates the cooking chamber a to the outside for pressure relief by acting on the sealing engagement of the lid 20 and the inner pot 11. You may let

One of the above two mechanical pressure relief methods may be selected and applied to the cookware at the same time, and both of the above aspects are within the protection scope of the present application. By way of example, in some embodiments, the mechanical release member 40 switching the cooking chamber a from the pressure holding state to the pressure release state drives the first sealing member 23 to open the pressure release hole b. , and in some other embodiments, the switching of the cooking chamber a from the pressure-holding state to the pressure-releasing state by the mechanical pressure relief member 40 is achieved by the sealing between the inner lid 212 and the pot lid 20. Furthermore, in some other embodiments, the first pressure relief member is driven to open the pressure relief hole b, and the pot lid 20 and the inner lid 212 are sealed. Release at the same time.

Specifically, the electric pressure release member 22 judges the current state of the food in the cooking chamber a based on multiple items of data such as the temperature and pressure in the cooking chamber a, and automatically The sealing member 23 is driven to open and close the pressure relief hole b, so that the pressure in the cooking chamber a can be maintained stably, and the mechanical pressure relief member 40 relieves the pressure in the cooking chamber a. Thus, the first sealing member 23 can be artificially driven (that is, by pressing the lid open button 30) to open the pressure release hole b.

The open lid button 30 is configured to unlock the pot lid 20 and the pot body 10 when pushed.

That is, the lid open button 30 can be linked to open the pot lid 20 at the same time, and when the lid open button 30 is pressed, the pressure is released first and then the lid is opened. In addition, the troublesome step of first pressing the trigger mechanism of the vacuum unlocking device and then pressing the lid open button is eliminated, making the lid opening operation of the cooking utensil 100 easier and easier, and the usage experience is further improved. Further, when the open lid button 30 is pressed, the pot lid 20 can be opened directly, so that the operator who uses the cooking utensil 100 of the embodiment of the present application for the first time does not misjudge the operating state of the cooking utensil 100. do not have.

The cooking utensil 100 according to the embodiment of the present application is provided with a lid open button 30 and a mechanical pressure relief member 40 to release the pressure in the cooking chamber a when the lid open button 30 is pressed. Thus, the cooking utensil 100 combines two pressure relief methods, electric pressure relief and mechanical pressure relief, so that the operator can handle the pressure relief if the electric pressure relief member 22 fails and pressure relief is not possible, or if a sudden power outage occurs. In this case, the pressure is manually released from the cooking chamber a to not only avoid the cooking utensil 100 being left in a negative pressure state for a long time, but also to increase the safety of using the cooking utensil 100 and reduce the safety potential. It can also reduce and eliminate potential risks.

Hereinafter, referring to FIGS. 6 to 12, three specific embodiments will be used to describe in detail the operating principle of the cooking utensil 100 of the embodiment of the present application to relieve pressure via the mechanical pressure relief member 40. do.

(First embodiment)
As shown in FIGS. 7 and 8, the mechanical pressure relief member 40 drives the first sealing member 23 to open the pressure relief hole b when the lid open button 30 is pushed, and the lid open button 30 is pushed. and the mechanical pressure relief member 40 are both configured to be provided on the top lid body 21 . That is, in the first embodiment, the mechanical pressure relief member 40 realizes pressure relief in the cooking chamber a by controlling the opening and closing of the pressure relief hole b.

As shown in FIGS. 6, 7 and 8, the first sealing member 23 is a sealing ball, the mechanical pressure relief member 40 is a pressure relief pushrod 40a, the pressure relief pushrod 40a and the lid opener. The button 30 is slidably provided on the upper lid body 21 along a direction parallel to the central axis of the pressure release hole b, and the pressure release push rod 40a is provided toward the first sealing member 23, It has an inclined pressing surface 41a extending gradually away from the pressure release hole b from top to bottom, and the inclined pressing surface 41a presses against the first sealing member 23 to open the pressure release hole b. fit.

Specifically, the inclined pressing surface 41a contacts the first sealing member 23 and extends from bottom to top toward the central axis of the pressure relief hole b, thereby providing the width of the lower end of the pressure relief pushrod 40a. becomes smaller than the width of the upper end, and when the lid open button 30 is pressed, the first sealing member 23 is driven to gradually open the pressure relief hole b.

As a result, the first sealing member 23 is pushed through the inclined pressing surface 41a facing the first sealing member 23 to release the pressure. are both highly stable.

As shown in FIG. 6, the upper lid body 21 includes a surface lid 211, an inner lid 212, and a lid plate 213, which are connected in order. A chamber c is formed between a top lid 211 and an inner lid 212, the top wall of the top lid 211 having a first mounting through-hole d for sliding engagement with the open lid button 30, and the inner lid The top wall of 212 has a second mounting through hole e for sliding engagement with the pressure relief push rod 40a, the upper end of which is connected to the bottom of the lid open button 30 and the lower end of the second mounting hole e. extends into the pressure release chamber c through the mounting through hole e.

That is, the lid open button 30 and the first attachment through-hole d are slidably engaged, and the pressure release push rod 40a and the second attachment through-hole e are slidably engaged. A mounting through hole d provides a guide and axial position limit for lid open button 30 and a second mounting through hole e provides a guide and axial position limit for pressure release push rod 40a, whereby It is possible to improve the smoothness of movement of the lid open button 30 and the pressure release push rod 40a, further improve the operational stability of the mechanical pressure release member 40, and achieve rapid pressure release.

As described above, in the first embodiment, the lid open button 30 and the pressure relief push rod 40a mounted in the pot lid 20 relieve pressure when the lid open button 30 moves up and down.

(Second embodiment)
As shown in FIG. 9, when the lid open button 30 is pressed, the mechanical pressure relief member 40 drives the first sealing member 23 to open the pressure relief hole b, and the lid open button 30 pushes the pot body. 10 , a mechanical pressure relief member 40 is configured to be provided on the pot lid 20 . That is, in the second embodiment, by driving the mechanical pressure release member 40 with the lid open button 30 positioned on the pot lid 20, the pressure release hole b is opened to release the pressure.

In the specific embodiment shown in FIG. 9, the mechanical pressure relief member 40 is a pressure relief link rod 40b, which is located at the upper end of the lid open button 30 and extends from the upper end of the pot body 10 into the pot lid 20 to An extension rod 60 is provided which is adapted to drive the pressure relief link rod 40b located within the lid 20. As shown in FIG.

Specifically, when the lid open button 30 is pushed in the left-right direction, the pressure release link rod 40b is interlocked with the extension rod 60 so as to push and move the first pressure release member. to open the pressure relief hole b. As a result, the pressure release link rod 40b presses the first sealing member 23 to release the pressure, so that the lid open button 30 can be placed on the pot body 10, which prevents the lid from being accidentally opened during cooking. Not only can the lid button 30 be touched, the pressure relief link rod 40b directly acts on the first sealing member 23, the structure is simple and the cost is low.

Further, the pressure release link rod 40b is slidably provided on the upper lid main body 21 along the direction perpendicular to the central axis of the pressure release hole b. That is, the pressure relief link rod 40b is slidably engaged with the top lid body 21, and furthermore, the pressure relief link rod 40b acts on the first sealing member 23 under the guidance and position limitation of the top lid body 21 so that the pressure is reduced. The release link rod 40b can be prevented from swinging against the first pressure release member, thereby improving the pushing effect of the pressure release link rod 40b against the first sealing member 23, and the operation of the mechanical pressure release member 40. stability can be further improved.

As shown in FIG. 9, the upper lid body 21 includes a surface lid 211, an inner lid 212, and a lid plate 213, which are connected in order. A chamber c is formed between the top lid 211 and the inner lid 212, and the pressure relief link rod 40b is located between the longitudinal rod 41b passing through the inner lid 212 and the inner lid 212 and the top lid 211. a transverse rod 42b, which extends into the pressure relief chamber c and is adapted to abuttingly engage a first sealing member 23 located within the pan lid 20;

In other words, the L-shaped pressure relief link rod 40b includes a longitudinal rod 41b and a transverse rod 42b to transfer the power provided by the lid open button 30 located on the pot body 10 to the pot lid 20. Transverse rod 42b can be pushed by lid open button 30 to move towards cooking chamber a so as to transmit to longitudinal rod 41b, whereby longitudinal rod 41b moves toward first sealing member 23. By moving toward, the transmission of power of the mechanical pressure relief member 40 becomes more stable and rapid, and the response speed of the pressure relief of the mechanical pressure relief member 40 becomes faster.

Preferably, the lid open button 30 is pivotally connected or press-engaged to the mechanical pressure relief member 40 . That is, the power transmission between the lid open button 30 and the mechanical pressure release member 40 in the second embodiment may be realized by a pivotal connection, or may be realized by a pressing engagement. However, it is not specifically limited.

It should be noted that in the embodiment in which the lid open button 30 is press-engaged with the mechanical relief member 40, the longitudinal rod 41b reciprocates within the pot lid 20 along a straight line perpendicular to the axis of the relief hole b. However, in embodiments in which the lid open button 30 is pivotally connected to the mechanical relief member 40, the longitudinal rod 41b reciprocates within the pot lid 20 along a straight line perpendicular to the axis of the relief hole b. It should be understood that it may also swing within the pot lid 20 within a plane perpendicular to the axis of the pressure relief hole b.

As shown in FIG. 9, the cooking utensil 100 further includes a resilient resetting member 50 which at least one of the lid open button 30 and the mechanical pressure relief member 40 is actuated to reset. connected to one side. Thus, by installing the elastic reset member 50 so as to reset the lid open button 30 and the mechanical pressure relief member 40, the stability of the operation of the mechanical pressure relief member 40 and the lid open button 30 can be effectively stabilized. can be improved to

As described above, in the second embodiment, the lid open button 30 is moved left and right by the pressure release link rod 40b attached inside the pot lid 20 and the lid open button 30 attached to the pot body 10. Occasionally provide pressure relief.

Third Embodiment As shown in FIGS. 10, 11 and 12, the pot lid 20 is adapted to engage the inner pot 11 to seal the cooking chamber a when the pot lid 20 is closed. 2 sealing members 24 and a mechanical pressure relief member 40 acts on the second sealing member 24 to break the seal between the inner pot 11 and the pot lid 20 when the open lid button 30 is pressed. configured to Thus, in the third embodiment, the mechanical depressurization member 40 directly effects the depressurization of the cooking chamber a by acting on the second sealing member 24 .

As shown in FIGS. 11 and 12, the second sealing member 24 is a sealing ring connected to the lower end of the top lid body 21, and the mechanical pressure release member 40 is the opening button 30 pressed. It has a lever moving claw 40c inserted between the second sealing member 24 and the inner pot 11 so that a gap is formed between the second sealing member 24 and the inner pot 11 when .

Specifically, the lever moving claw 40c moves toward the cooking chamber a in conjunction with the lid opening button 30 positioned inside the pot body 10, thereby levering the sealing ring upward with the lever moving claw 40c. , release the sealing between the pot lid 20 and the pot body 10, so that air can enter the cooking chamber a through the gap between the sealing ring and the pot body 10, realizing pressure relief; do.

As a result, the second sealing member 24 is lever-moved by the lever-moving claw 40c to release the pressure, and the response speed is fast, the structure is simple, and the operation stability is high.

Preferably, the mechanical pressure release member 40 and the lid open button 30 are integrally molded and provided on the pot body 10, the outer wall of the pot body 10 having a third mounting through hole f, and the pot body 10 There is a fourth mounting through hole g in the top wall of the machine, and the lid open button 30 passes through the third mounting through hole h and is abutted against the inner wall of the pot body 10 via a spring. The target pressure release member 40 is slidably provided in the fourth attachment through-hole g.

That is, the lid open button 30 is slidably engaged with the third mounting through-hole f, and the lever moving claw 40c is slidably engaged with the fourth mounting through-hole g. A hole f provides a guide and position limit for the lid open button 30, and a fourth mounting through hole g provides a guide and position limit for the lever pawl 40c, thereby controlling the movement of the mechanical pressure relief member 40. In addition to improving stability, the mechanical pressure relief member 40 has a faster pressure relief response speed, a simpler structure, and a lower production cost.

Of course, in the third embodiment, the attachment positions of the lever moving claw 40c and the lid open button 30 of the present application are not limited to the pot body 10, and may be attached inside the pot lid 20.

As described above, in the third embodiment, when the lid open button 30 and the lever moving claw 40c mounted in the pot body 10 move left and right, the pot lid 20 and the pot body 10 release the airtight seal to achieve pressure relief.

In the description of the present application, "center", "vertical direction", "horizontal direction", "length", "width", "thickness", "top", "bottom", "front", "back", " Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, Radial , "circumferential", etc., are based on the orientation or positional relationship shown in the drawings, and are merely for the purpose of facilitating the description of the present application, and are not specified. It should not be understood as limiting this application, as it does not indicate or imply that any device or unit is necessarily in any particular orientation, or that it is constructed or operated in any particular orientation. Also, features labeled "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "plurality" means two or two or more unless otherwise specified.

In the description herein, terms such as "one embodiment," "some embodiments," "exemplary embodiments," "exemplification," "specific examples," or "some examples" is intended to include in at least one embodiment or example of the present application the specific feature, structure, material or property referred to in the description of the example or example. . Exemplary statements in this specification are not necessarily referring to the same embodiment or illustration. Also, the specific features, structures, materials or characteristics described may be combined in any one or more of the embodiments or illustrations in any suitable manner.

Although embodiments of the present application have been illustrated and described, those skilled in the art can make various changes, modifications, substitutions and variations to these embodiments without departing from the principles and spirit of the present application. It will be understood that the scope of is limited to the claims and their equivalents.

100 Cookware,
10... pot body, 11... inner pot,...
DESCRIPTION OF SYMBOLS 20... Pot lid, 21... Upper lid main body, 211... Surface lid, 212... Inner lid, 213... Lid plate, 214... Vent hole, 22... Electric pressure release member, 23... First sealing member, 24... Second sealing member of
30... Lid open button,
40... Mechanical pressure release member 40a... Pressure release push rod 41a... Inclined pressing surface 40b... Pressure release link rod 41b... Vertical rod 42b... Horizontal rod 40c... Lever moving claw 50... Elastic reset member, 60... extension rod,
70 Bleed device 71 Vacuum pump 72 Solenoid valve 73 Bleed pipe 80 Pressure relief device
90 Lid opening touch component 91 Touch button 911 Guide column 92 Touch module 93 Button base 931 Accommodating chamber 932 Guide groove
a... cooking chamber b... pressure relief hole c... pressure relief chamber d... first mounting through hole e... second mounting through hole f... third mounting through hole g... third 4 mounting through holes.

Claims (23)

a cooking pot having an open-topped cooking chamber; a cooking pot lid having an air bleed hole and a pressure relief hole mounted on the cooking pot body for movement between an open position and a closed position; and a pressure release device for opening and closing the pressure release hole, wherein the pot lid or the pot body is provided with an open lid touch component A method of controlling an instrument, comprising:
The control method is
obtaining a lid open signal transmitted by the lid open touch component;
detecting whether the air pressure in the cooking chamber is in a negative pressure state;
If the pressure in the cooking chamber is in a negative pressure state, controlling the pressure relief device to open the pressure relief hole until the pressure in the cooking chamber recovers to normal pressure and the lid is opened. and including
A cooking utensil control method characterized by: The lid open touch component includes a touch button and a touch module for sensing a touch motion acting on the touch button and generating the lid open signal based on the touch motion.
2. The control method of the cooking utensil according to claim 1, characterized in that: If the touch module senses the touch action lasting for a first preset time before the step of acquiring the open lid signal sent by the open lid touch component, the opening is performed based on the touch action. 3. The method of controlling a cooking appliance according to claim 2, wherein the lid signal is generated. further comprising a human body sensing module for detecting whether a user has approached the cooking utensil;
detecting that the user's proximity to the cooking utensil reaches a second preset time before the step of acquiring the open lid signal sent by the open lid touch component; and senses the touch motion, the touch module generates the open lid signal based on the touch motion.
3. The control method of the cooking utensil according to claim 2, characterized in that: the distance between the user and the cooking utensil is less than or equal to a preset distance for the second preset time before the step of acquiring the lid open signal sent by the lid open touch component; detecting a presence, and when the touch module senses the touch action, the touch module generates the open lid signal based on the touch action;
5. The control method of the cookware according to claim 4, characterized in that: the human body sensing module is an infrared sensing sensor, a distance sensor, or a camera;
5. The control method of the cookware according to claim 4, characterized in that: The pot body or the pot lid is further provided with an auxiliary function key, and the touch button and the auxiliary function key are simultaneously or successively pressed before the step of acquiring the lid open signal sent by the lid open touch component. the touch module generates the open lid signal based on the touch action when operated to
3. The control method of the cooking utensil according to claim 2, characterized in that: a controller in communication with the air bleed device, the depressurization device, and the lid open touch component, the controller executing the method for controlling a cookware according to any one of claims 1 to 7,
A cookware characterized by: The open lid touch component includes:
a button platform defining a receiving chamber open on one side;
a touch button provided within the containment chamber;
a touch module connected to the touch buttons and in communication with the controller;
The cooking utensil according to claim 8, characterized in that: Further comprising a locking member movable between a locked position and a separated position, wherein the pot lid is locked in the closed position when the locking member is in the locked position, and when the locking member is in the separated position. , the pot lid disengages from the closed position;
10. The cooking utensil according to claim 8 or 9, characterized in that: a pan body having an inner pan with a cooking chamber defined therein;
An upper lid body provided openable and closable on the pot body and having a first sealing member, a pressure release hole and a pressure release chamber provided opposite to the cooking chamber, and an upper lid body electrically controlled by the a pot lid having a motorized pressure relief member configured to drive a first sealing member to open and close the pressure relief hole;
a lid open button provided on the pot body or the pot lid;
is connected to or interlocked with the lid open button, and when the lid open button is pushed, the first sealing member is driven to open the pressure relief hole and/or the pot lid and the inner pot a mechanical pressure relief member configured to release the seal of
A cookware characterized by: The mechanical pressure relief member drives the first sealing member to open the pressure relief hole when the lid open button is pressed, and the lid open button and the mechanical pressure relief member Both are configured to be provided on the upper lid body,
12. The cooking utensil according to claim 11, characterized in that: The first sealing member is a sealing ball, the mechanical pressure relief member is a pressure relief pushrod, and the pressure relief pushrod and the lid open button are located in the top lid body at the center of the pressure relief hole. The pressure relief push rod is slidably provided along a direction parallel to the axis, and the pressure relief push rod is provided toward the first sealing member so as to gradually move away from the pressure relief hole from top to bottom. a slanted pressing surface extending into the pressure relief hole, wherein the slanted pressing surface abuts the first sealing member to open the pressure relief hole;
13. The cooking utensil according to claim 12, characterized in that: The upper lid body includes a surface lid, an inner lid, and a lid plate connected in sequence, the pressure relief hole penetrating at least the lid plate, and the pressure relief chamber defining the surface lid and the inner lid. and having a first mounting through hole in the top wall of the top lid for sliding engagement with the lid open button, and a top wall of the inner lid in sliding engagement with the pressure relief push rod. A top end of the pressure relief pushrod is connected to the bottom of the lid open button, and a bottom end of the pressure relief pushrod extends through the second mounting hole to extend into the pressure relief chamber. extending inward,
14. The cooking utensil according to claim 13, characterized in that: The mechanical pressure relief member drives the first sealing member to open the pressure relief hole when the lid open button is pressed, the lid open button is provided on the pot body, and the a mechanical pressure relief member is configured to be provided on the pot lid;
12. The cooking utensil according to claim 11, characterized in that: The mechanical pressure relief member is a pressure relief link rod, and the upper end of the lid open button has a pressure relief link rod that protrudes from the top end of the pot body, extends into the pot lid, and is positioned inside the pot lid. A driving extension rod is provided,
16. Cookware according to claim 15, characterized in that: The pressure release link rod is slidably provided in the upper lid body along a direction perpendicular to the central axis of the pressure release hole,
17. Cookware according to claim 16, characterized in that: The upper lid body includes a surface lid, an inner lid, and a lid plate connected in sequence, the pressure relief hole penetrates at least the lid plate, and the pressure relief chamber comprises the surface lid and the inner lid. the pressure relief link rod formed between the lid and comprising a longitudinal rod extending through the inner lid and a transverse rod positioned between the inner lid and the surface lid; extends into the pressure relief chamber for abutting engagement with a first sealing member located in the pan lid.
18. Cookware according to claim 17, characterized in that: the lid open button is pivotally connected to or abuttingly engaged with the mechanical pressure relief member;
17. Cookware according to claim 16, characterized in that: further comprising an elastic reset member connected to at least one of the lid open button and the mechanical pressure release member to reset each;
16. Cookware according to claim 12 or 15, characterized in that: The lid has a second sealing member that engages the inner pot and seals the cooking chamber when the lid is closed, and the mechanical pressure relief member is adapted to be depressed by the open lid button. is configured to act on the second sealing member to release the seal between the inner pot and the pot lid,
The cooking utensil according to any one of claims 11 to 20, characterized in that: The second sealing member is a sealing ring connected to the lower end of the top lid body, and the mechanical pressure relief member acts on the second sealing member when the lid open button is depressed. a lever moving pawl inserted between the second sealing member and the inner pot such that a gap is formed between the second sealing member and the inner pot;
22. Cookware according to claim 21, characterized in that: The mechanical pressure release member and the lid open button are integrally molded and provided on the pot, have a third mounting through hole in the outer wall of the pot, and the top wall of the pot. has a fourth attachment through-hole, and the lid open button passes through the third attachment through-hole and is abutted against the inner wall of the pan via a spring, and the mechanical pressure The extraction member is slidably provided in the fourth mounting through-hole,
23. Cookware according to claim 21 or 22, characterized in that:

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