CN215271970U - Cooking utensil - Google Patents

Abstract

The application provides a cooking utensil, including base and pan, the pan includes the pot body and covers the pot lid that closes on the pot body, and the base is formed with the heating chamber that holds the pot body. The bottom of the heating cavity is provided with a temperature sensing cup which is arranged in a floating way and a microswitch which is fixed in the temperature sensing cup; a wireless transmission module is also arranged between the base and the cooker. When the pan is placed in place in the heating cavity, the micro switch provides a first signal, and the wireless transmission module provides a second signal. This application cooking utensil can be more accurate the detection pot body, promotes product security and life.

Description

Cooking utensil

Technical Field

The present application relates to a cooking appliance.

Background

Cooking utensils such as rice cooker in the existing market, including a kind of deep pot body and interior pot, the a kind of deep pot body is equipped with the chamber of acceping that holds interior pot. The cooking utensil is usually provided with a micro switch at the bottom of the accommodating cavity for detecting whether the inner pot is placed in place. However, since only a single electronic element is used for determination, the problem of erroneous determination can occur once the micro switch fails.

Accordingly, there is a need for improvements to existing cooking appliances.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking utensil, whether the detection pot body that can be accurate places the target in place.

Specifically, the method is realized through the following technical scheme: a cooking utensil comprises a base and a pot, wherein the pot comprises a pot body and a pot cover covering the pot body, the base is provided with a heating cavity for accommodating the pot body, and the bottom of the heating cavity is provided with a temperature sensing cup in a floating arrangement and a micro switch fixed in the temperature sensing cup; a wireless transmission module is also arranged between the base and the cooker; the pan is in when the heating intracavity is placed in place, micro-gap switch provides first signal, just wireless transmission module provides the second signal. This application cooking utensil can be more accurate the detection pot body, avoids consumer's maloperation, promotes product security and life.

According to an embodiment of this application, the base is equipped with first location structure, the pot body correspond be equipped with the second location structure of first location structure inter-working, wireless transmission module is including setting up the inside wireless signal receiving module of first location structure and setting are in the inside wireless signal emission module of second location structure. The pot body can be put into with correct mode of placing, and wireless transmission module just provides the second signal letter, ensures that the complete machine can normally cook.

According to an embodiment of the present application, the first positioning structure has a notch, the second positioning structure is inserted into the notch, and the wireless signal receiving module is located at a lower side of the notch. The first positioning structure and the second positioning structure are matched with each other through simple concave-convex, so that the base and the pot body are accurately positioned.

According to an embodiment of the present application, the wireless signal transmitting module and the wireless signal receiving module perform signal transmission through electromagnetic induction.

According to an embodiment of this application, be equipped with temperature sensor on the pot body, temperature sensor is protruding to be gone into in the second location structure, wireless signal emission module to wireless signal receiving module transmission the temperature signal that temperature sensor detected. The pan body and the base are electrically connected without a coupler, so that the structure is simpler.

According to an embodiment of this application, the base includes face lid, base, heat preservation cover and the dish that generates heat, the heat preservation cover is fixed face lid reaches between the base, the dish that generates heat is fixed the inside bottom side of heat preservation cover, the temperature sensing cup is located generate heat the dish and reach and stretch into between the heat preservation cover heating intracavity.

According to one embodiment of the present application, the temperature sensing cup comprises a temperature sensing cup base, a temperature sensing cup cover located on the top of the temperature sensing cup base, and an elastic member, and the micro switch is fixed in the temperature sensing cup and provided with a contact extending out of the temperature sensing cup base from the bottom side. When the pot body is put into the heating cavity, the temperature sensing cup and the microswitch can be pressed down.

According to an embodiment of this application, the base still is equipped with the support, the support is fixed it is located to generate heat on the set bottom surface temperature sensing cup's below, micro-gap switch follows temperature sensing cup moves down the back, the contact is contradicted the support. The micro switch is contacted with the bracket to generate a first signal of the micro switch.

According to an embodiment of the present application, one end of the elastic member abuts against the support, the other end of the elastic member abuts against the temperature sensing cup cover, and the temperature sensing cup holder is further provided with a clamping leg which penetrates through the support and is clamped with the support. Can guide the movement of the temperature-sensing cup and prevent the temperature-sensing cup from falling off.

According to one embodiment of the application, a thermistor is arranged at the top of the microswitch and attached to the inner side surface of the temperature sensing cup cover. The thermistor is integrated on the microswitch, so that the assembly and installation are convenient.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a perspective combination view of a cooking appliance according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the cooking appliance of fig. 1.

Fig. 3 is another perspective assembly view of the cooking appliance, wherein the lid and the body are not placed on the base.

Fig. 4 is a partially enlarged view of a circle in fig. 3.

FIG. 5 is a perspective assembly view of the pot body.

FIG. 6 is a perspective exploded view of the pan body.

Fig. 7 is a perspective combination view of the heat retaining cover, the heating plate and the temperature sensing cup of the cooking appliance.

Fig. 8 is a three-dimensional exploded view of the heat-insulating cover, the heating plate and the temperature-sensing cup.

Description of reference numerals:

the temperature-sensing heating cooker comprises a base 1, a heating cavity A, a first positioning structure 10, a notch 101, a bottom end wall 102, a surface cover 11, a base 12, a heat-insulating cover 13, a heating plate 14, a temperature-sensing cup 15, a temperature-sensing cup seat 151, a temperature-sensing cup cover 152, an elastic piece 153, a clamping pin 154, a micro switch 16, a contact 161, a thermistor 162, a contact pin 163, a support 17, an edge 171, a cooker body 2, a second positioning structure 20, a bottom end wall 201, a box seat 21, an opening 210, a box cover 22, a sealing ring 23, a temperature sensor 24, a cooker cover 3, a wireless transmission module 4, a wireless signal receiving module 41 and a wireless signal transmitting module 42.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application.

Referring to fig. 1 to 3, the present application relates to a cooking appliance, which comprises a base 1, a pot body 2 and a pot cover 3, wherein the pot cover 3 covers the pot body 2 to form a pot, and a cooking cavity is formed between the pot body 2 and the pot cover 3. When cooking, the pot cover 3 and the pot body 2 are put on the base 1 together for heating; at the end of cooking, the lid 3 together with the body 2 can be removed from the base 1 and moved to another platform, such as a dining table. In the embodiment, the cooking appliance is an electric pressure cooker, the cooker cover 3 and the cooker body 2 are locked through the cooker teeth, and the two sides of the cooker body 2 are provided with handles, so that a user can move the cooker body 2 conveniently.

The base 1 comprises a surface cover 11, a base 12, a heat preservation cover 13 and a heating plate 14, wherein the surface cover 11 covers the base 12, and a control panel (not shown) is arranged on the surface cover 11 and used for controlling cooking. The heat preservation cover 13 is fixed between the face cover 11 and the base 12, and the heating plate 14 is positioned at the bottom of the inner side of the heat preservation cover 13. The surface cover 11, the heat preservation cover 13 and the heating plate 14 together form a heating cavity A for accommodating the pot body 2. The base 1 further comprises a temperature sensing cup 15, the temperature sensing cup 15 is arranged between the heat preservation cover 13 and the heating disc 14 in a floating mode, the top of the temperature sensing cup 15 penetrates through the heating disc 14 and protrudes into the heating cavity A, and when the pot body 2 is placed in the heating cavity A, the bottom wall of the pot body 2 is in contact with the top surface of the temperature sensing cup 15, so that the temperature of the bottom of the pot body 2 can be detected in real time.

Referring to fig. 2 and 4, the base 1 further includes a micro switch 16 located in the temperature-sensing cup 15, or the base 1 is provided with the micro switch 16 at the bottom side of the heating cavity a, the pot body 2 presses the temperature-sensing cup 15 in the process of being placed in the heating cavity a and drives the micro switch 16 to move down, so that the micro switch 16 is triggered and transmits a first signal (closing signal) to a control system (not shown) in the base 1, and it can be detected whether the pot body 2 is completely placed in the heating cavity a, and whether the bottom of the pot body 2 is attached to the heating plate 14.

The cooking utensil is also provided with a wireless transmission module 4, which comprises a wireless signal receiving module 41 arranged on the base 1 and a wireless signal transmitting module 42 arranged in the pot body 2, wherein the wireless signal transmitting module 42 is aligned with the wireless signal receiving module 41, when the pot body 2 is placed in the heating cavity A at a correct position, the wireless signal receiving module 41 and the wireless signal transmitting module 42 are close to each other, the wireless signal receiving module 41 receives the signal of the wireless signal transmitting module 42, transmits a second signal (wireless signal) to a control system (not shown) in the base 1, and can detect whether the pot body 2 is placed in the base 1 in a correct placing mode.

This application cooking utensil has set up micro-gap switch 16 and wireless transmission module 4 simultaneously, if control system only detected micro-gap switch 16's first signal, explains that wireless transmission module 4 does not counterpoint, and the mode of placing of the pot body 2 has the mistake, and the complete machine can not work to remind consumer's pot body 2 not to place the target in place. If the control system only detects the second signal of the wireless transmission module 4, the pan body 2 is not placed in place, the heating plate 14 is not attached, the whole machine cannot work, and a consumer is reminded that the pan body 2 is not placed in place. Only when the control system receives the first signal of the microswitch 16 and the second signal of the wireless transmission module 4 at the same time, the control system can judge that the pot body 2 is accurately placed in the heating cavity A in place, and the whole machine can work normally. This application cooking utensil can more accurate detection pot body 2, avoids consumer's maloperation, promotes product security and life.

The specific structure and installation of the wireless transmission module 4 and the microswitch 16 will be described below.

Referring to fig. 3 and 5, the base 1 is provided with a first positioning structure 10, the outer wall of the pot body 2 is provided with a second positioning structure 20, the positions of the first positioning structure 10 and the second positioning structure 20 are aligned up and down, the wireless signal receiving module 41 is arranged inside the first positioning structure 10, and the wireless signal transmitting module 42 is arranged inside the second positioning structure 20. When the pot body is placed in the heating cavity A, the first positioning structure 10 and the second positioning structure 20 are matched with each other, the wireless signal transmitting module 42 and the wireless signal receiving module 41 are close to each other, and the wireless signal receiving module receives a second signal of the wireless signal transmitting module 42 and transmits the second signal to the control system. Through the mutual matching of the first positioning structure 10 and the second positioning structure 20, the pot body 2 can be placed in the heating cavity A in a correct placing mode, and the wireless signal emitting module 42 and the wireless signal receiving module 41 ensure that the whole machine can cook normally.

The first positioning structure 10 has a notch 101, and the wireless signal receiving module 41 is attached to the inner side of the bottom wall 102 of the notch 101. The second positioning structure 20 is a block shape, the size of which is approximately consistent with the size of the notch 101, and the wireless signal transmitting module 42 is attached to the inner side of the bottom end wall 201 of the second positioning structure 20. The first positioning structure 10 and the second positioning structure 20 are matched with each other through simple concave-convex, so that the base 1 and the pot body 2 are accurately positioned. When the pot 2 is placed in the heating cavity a, the second positioning structure 20 is inserted into the notch 101, the bottom end wall 201 approaches the bottom end wall 102, and the wireless signal emitting module 42 and the wireless signal receiving module 41 approach each other. In the present embodiment, the wireless signal transmitting module 42 and the wireless signal receiving module 41 transmit signals by electromagnetic induction, and the second signal is transmitted by a change in magnetic field when the two approach each other.

The first positioning structure 10 is formed by integrally injection-molding the surface cover 11, and the wireless signal receiving module 41 is embedded and fixed in the first positioning structure 10 from the bottom side. Referring to fig. 6, the second positioning structure 20 is separately manufactured and then fixed to the outer side of the sidewall of the pot body 2, the second positioning structure 20 includes a box base 21, a box cover 22 and a sealing ring 23, the box base 21 faces the outer opening 210, after the wireless signal transmitting module 42 is assembled into the box base 21 through the opening 210, the box cover 22 seals the opening 210, and the sealing ring 23 is hermetically connected with the box base 21 and the box cover 22, so as to prevent water vapor from entering the second positioning structure 20.

The pot body 2 still is equipped with temperature sensor 24, and temperature sensor 24 installs at the top of the lateral wall of the pot body 2, and temperature sensor 24 is located heating chamber A, the temperature at 2 tops of the detection pot body that can be more direct accurate. The temperature sensor 24 penetrates through the side wall of the pot body 2 and protrudes into the second positioning structure 20, the wireless signal transmitting module 42 is electrically connected with the temperature sensor 24, a temperature signal detected by the temperature sensor 24 is transmitted to the wireless signal receiving module 41 through the wireless signal transmitting module 42, and the wireless signal receiving module 41 transmits the temperature signal to the control system. The pan body 2 and the base 1 are electrically connected without a coupler, and the structure is simpler.

Referring to fig. 4, 7 and 8, the temperature sensing cup 15 is located between the bottom of the heating plate 14 and the bottom of the heat retaining cover 13 and passes through the heating plate 14 to elastically abut against the bottom wall of the pot body 2. The temperature sensing cup 15 includes a temperature sensing cup holder 151, a temperature sensing cup cover 152 located on the top of the temperature sensing cup holder 151, and an elastic member 153 for driving the temperature sensing cup 152 to reset after being pressed and moved down. The micro switch 16 is accommodated in the temperature sensing cup holder 151, the top surface of the micro switch 16 is attached to the inner surface of the temperature sensing cup cover 152, and the bottom of the micro switch 16 is provided with a contact 163 extending from the bottom side to the temperature sensing cup holder 151. When the pot body 2 is placed in the heating cavity A, the temperature sensing cup 15 is pressed down by the pot body 2 to move downwards, and the micro switch 16 is driven by the temperature sensing cup 15 to move downwards together.

A bracket 17 is further provided in the base 1, the bracket 17 is a substantially disk-shaped metal member, and is located right below the temperature-sensitive cup 15, and an edge 171 thereof is fixed to the bottom surface of the heat generating plate 14 by a screw (not shown). When the micro switch 16 moves down, the contact 161 at the bottom of the micro switch 16 collides with the bracket 17, and the micro switch 16 contacts with the bracket 17 to generate a closing signal, i.e., the first signal. One end of the elastic member 153 abuts against the bracket 17, and the other end abuts against the temperature-sensing cup cover 152, so that the temperature-sensing cup 15 can float integrally. The temperature sensing cup holder 151 is provided with a clamping pin 154 penetrating through the bracket 17, and the clamping pin 154 is clamped with the bracket 17, so that the movement of the temperature sensing cup 15 can be guided, and the temperature sensing cup 15 is prevented from falling off.

In this embodiment, the top of the microswitch 16 is a thermistor 162, the thermistor 162 is attached to the inner surface of the temperature cup cover 152 to detect the temperature, and the top surface of the microswitch 16 is the top surface of the thermistor 162. A contact pin 163 at the bottom of the microswitch 16 passes through the bracket 17 to be electrically connected to the control system to transmit a first signal. The thermistor 162 is integrated on the microswitch 16, which facilitates assembly and installation.

This application cooking utensil has set up micro-gap switch 16 in the heating chamber A of base 1 to set up wireless transmission module 4 between base 1 and the pot body 2, control system receives micro-gap switch 16's first signal and wireless transmission module 4's second signal, and the complete machine just can normally work, can avoid consumer's maloperation, promotes product security and life.

As a simple alternative, the wireless signal transmitting module 42 may also be disposed on the lid 1, and the structure of the base 1 is adjusted accordingly, so that the wireless signal receiving module 41 can approach the wireless signal transmitting module 42.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Terms such as "upper," "lower," "left," "right," "front," "back," "thickness," "radial," "axial," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures, and are not limited to one position or one spatial orientation. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those depicted in the figures, depending on the location of the product being produced. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

It should be noted that when an element is referred to as being "secured …" to another element, it can be directly on the surface of the other element or can be spaced apart from the surface of the other element. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise.

In this application, unless expressly stated or limited otherwise, a second feature "on" or "under" a first feature may be directly contacting the second feature or indirectly contacting the first feature through intervening media. Also, a second feature "on," "above," and "over" a first feature may be directly or diagonally above the first feature, or simply indicate that the second feature is at a higher level than the first feature. A second feature "under," "below," and "beneath" a first feature may be directly or obliquely under the first feature, or simply mean that the second feature is at a lesser elevation than the first feature.

It should be understood that the use of "second," "first," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. "plurality" or "multiple layers" and the like mean two or more.

The cooking utensil of the present application is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a cooking utensil, includes base (1) and pan, the pan includes that the pot body (2) and lid close pot lid (3) on the pot body (2), its characterized in that: a heating cavity (A) for accommodating the pot body (2) is formed in the base (1), and a temperature sensing cup (15) which is arranged in a floating mode and a micro switch (16) which is fixed in the temperature sensing cup (15) are arranged at the bottom of the heating cavity (A); a wireless transmission module (4) is also arranged between the base (1) and the pot; when the cookware is placed in place in the heating cavity (A), the micro switch (16) provides a first signal, and the wireless transmission module (4) provides a second signal.

2. The cooking appliance of claim 1, wherein: the base (1) is provided with a first positioning structure (10), the pot body (2) is correspondingly provided with a second positioning structure (20) which is matched with the first positioning structure (10), and the wireless transmission module (4) comprises a wireless signal receiving module (41) which is arranged inside the first positioning structure (10) and a wireless signal transmitting module (42) which is arranged inside the second positioning structure (20).

3. The cooking appliance of claim 2, wherein: the first positioning structure (10) is provided with a notch (101), the second positioning structure (20) is inserted into the notch (101), and the wireless signal receiving module (41) is positioned on the lower side of the notch (101).

4. The cooking appliance of claim 3, wherein: the wireless signal transmitting module (42) and the wireless signal receiving module (41) perform signal transmission through electromagnetic induction.

5. The cooking appliance of claim 2, wherein: be equipped with temperature sensor (24) on the pot body (2), temperature sensor (24) are protruding to be gone into in second location structure (20), wireless signal emission module (42) to wireless signal receiving module (41) transmission the temperature signal that temperature sensor (24) detected.

6. The cooking appliance of claim 1, wherein: base (1) is including face lid (11), base (12), heat preservation cover (13) and dish (14) generate heat, it fixes to keep warm to cover (13) face lid (11) reaches between base (12), dish (14) generate heat are fixed the inside bottom side of heat preservation cover (13), temperature sensing cup (15) are located generate heat dish (14) and keep warm and cover and between (13) and the protruding income in heating chamber (A).

7. The cooking appliance of claim 6, wherein: the temperature sensing cup (15) comprises a temperature sensing cup seat (151), a temperature sensing cup cover (152) and an elastic piece (153), wherein the temperature sensing cup cover (152) is positioned at the top of the temperature sensing cup seat (151), and the microswitch (16) is fixed in the temperature sensing cup (15) and is provided with a contact (161) extending out of the temperature sensing cup seat (151) from the bottom side.

8. The cooking appliance of claim 7, wherein: the base (1) is further provided with a support (17), the support (17) is fixed on the bottom surface of the heating plate (14) and located below the temperature sensing cup (15), and the contact (161) abuts against the support (17) after the micro switch (16) follows the temperature sensing cup (15) to move downwards.

9. The cooking appliance of claim 8, wherein: one end of the elastic piece (153) is pressed against the support (17), the other end of the elastic piece is pressed against the temperature sensing cup cover (152), and the temperature sensing cup seat (151) is further provided with a clamping pin (154) which penetrates through the support (17) and is clamped with the support (17).

10. The cooking appliance of claim 7, wherein: a thermistor (162) is arranged at the top of the microswitch (16), and the thermistor (162) is attached to the inner side surface of the temperature sensing cup cover (152).

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