CN211408612U - Cooking utensil - Google Patents

Abstract

The application provides a cooking appliance, includes: an upper cover; a wireless transmission module; the first linkage mechanism comprises a switch and a motion structure, the switch is in a closed state and an open state, the motion structure is in a first state and a second state, the switch is in the open state when the motion structure is in the first state, and the switch is in the closed state when the motion structure is in the second state; the body, from the process that upper cover and body separated to lid closed, the motion structure moves along the predetermined direction, and changes from the first state to the second state. When the motion structure is changed from the first state to the second state, the switch is changed from the open state to the closed state, and when the switch is in the closed state, the wireless transmission module is awakened, namely, the wireless transmission module starts to work. The wireless sending module is not required to adopt a discontinuous sending mode, and when the cooking appliance is in a non-cooking state, the wireless sending module is in a non-working state, so that the working time of the wireless sending module is reduced, and the service life of the battery is prolonged.

Description

Cooking utensil

Technical Field

The application relates to the field of household appliances, in particular to a cooking appliance.

Background

For the separated precise control electric pressure cooker, the upper cover and the lower cooker body are separated, the temperature signal to be measured cannot be transmitted in a flat cable connection mode, and a wireless transmission mode is generally adopted. Namely, a wireless transmitting module is arranged on the separable upper cover, and a wireless receiving module is arranged at the bottom of the lower cooker body, as shown in fig. 1.

The wireless transmitting module transmits the measured temperature signal, the bottom wireless receiving module receives the measured temperature signal transmitted by the top wireless transmitting module, and transmits the received measured temperature signal to the control panel for corresponding cooking control. The bottom wireless receiving module is connected with the control panel and is powered by an external power supply. The top wireless sending module is generally powered by a button battery. In order to prolong the service time of the battery and achieve the purpose of saving power, for example, sleep for 5S, and transmit for 1S, so as to reduce the power consumption of the wireless module and prolong the service time of the battery. However, by adopting the intermittent sending mode, when the precisely controlled electric pressure cooker is in a non-cooking state, the wireless sending module is also in a working state, so that the working time of the wireless sending module is prolonged, and the service life of the battery is shortened.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a cooking utensil to wireless sending module is in operating condition among the solution prior art always, leads to the short problem of life of its battery.

In order to achieve the above object, according to one aspect of the present application, there is provided a cooking appliance including: an upper cover; the wireless sending module is positioned inside the upper cover; the first linkage mechanism is positioned inside the upper cover and comprises a switch and a motion structure, the switch is electrically connected with the wireless transmission module and has a closed state and an open state, the motion structure has a first state and a second state, the switch is in the open state when the motion structure is in the first state, and the switch is in the closed state when the motion structure is in the second state; and the motion structure moves to switch the first state into the second state in the process from the separation of the upper cover and the body to the closing of the upper cover.

In the scheme, the switch is electrically connected with the wireless transmitting module, in the process from the separation of the upper cover and the body to the closing of the cover, the motion structure is changed from the first state to the second state, the switch is changed from the off state to the on state, and when the switch is in the on state, the wireless transmitting module is awakened, namely, the wireless transmitting module starts to work. When the cooking appliance is in a non-cooking state (a state that the upper cover is separated from the body), the wireless transmitting module is in a non-working state, and when the cooking appliance is in a cooking state (a state that the upper cover is covered with the body), the switch is closed to wake up the wireless transmitting module, so that the wireless transmitting module starts to transmit information. In the cooking utensil, the wireless sending module is not required to adopt a discontinuous sending mode, so that the working time of the wireless sending module is reduced, and the service life of a battery is prolonged.

Further, the peripheral edge region of the upper cover has an accommodation cavity, and at least part of the first linkage mechanism is located in the accommodation cavity.

Further, the switch and the moving structure are distributed along a first predetermined direction, the switch is located on one side of the inner wall of the moving structure, which is far away from the upper cover, and the first predetermined direction is the axial direction of the upper cover. The switch and the motion structure are distributed along the axial direction of the upper cover, and the wireless transmission module can be controlled to act when the switch acts.

Further, the switch and the moving structure are distributed along a second predetermined direction, the switch is located on one side of the moving structure far away from the center of the upper cover, and the second predetermined direction is a radial direction of the upper cover.

Further, the upper cover is provided with a spacing layer therein, the spacing layer and the outer wall of the upper cover form the accommodating cavity therebetween, the spacing layer is provided with a mounting hole, and the moving structure comprises: a moving rod passing through the mounting hole; the elastic piece is connected with the moving rod and located in the containing cavity, when the moving structure is in the first state, the elastic piece is in a natural extension state, and when the moving structure is in the second state, the elastic piece is in a compression state. When the elastic part is in a compressed state, the moving structure is in the second state, the switch is in a closed state, and the wireless sending module is awakened to start sending signals; namely, when the elastic part is in a natural extension state, the motion structure is in the first state, the switch is in a disconnection state, and the wireless sending module is not awakened. In case the mobile structure moves in a predetermined direction to an extreme position, the elastic element returns from a compressed state to a natural extended state, the switch changes from a closed state to an open state, and the wireless transmission module is always in an operating state during cooking, since it has been awakened.

Further, the body has the heat preservation cover, be provided with pot tooth on the heat preservation cover, be provided with the preformed hole on the pot tooth, follow the upper cover with the in-process that the body separation lid closed, the motion pole is from passing the preformed hole switches into not passing the preformed hole. Through set up the hole (for above-mentioned mounting hole) and set up the preformed hole on the pot tooth of above-mentioned body on the lid tooth side of upper cover for the motion pole moves between above-mentioned mounting hole and above-mentioned preformed hole, and then controls the state of above-mentioned switch, and then realizes separating the in-process that the lid closed from upper cover and body, awakens up wireless sending module.

Further, the upper cover also comprises a steel cover, and the mounting hole also extends and is formed in the steel cover.

Further, the body has the heat preservation cover, the heat preservation covers and is provided with pot tooth, be provided with the preformed hole on the heat preservation cover the upper cover with the body separates the in-process that the lid closed, the motion pole with pot tooth cooperation, the elastic component is in compression state the upper cover with when the body is totally covered, the motion pole passes the preformed hole, the elastic component is in the natural extension state.

Further, the elastic member is one of: the elastic element is any elastic element in the prior art which has two states of a natural extension state and a compression state.

Further, the switch includes a fixed portion and a movable portion, the fixed portion is connected with the wireless transmission module, when the motion structure is in the second state, the movable portion is connected with the fixed portion, and the fixed portion and the movable portion are respectively conductive metal portions. When the moving structure is in the second state, that is, the elastic element is in a compressed state, the movable part is connected with the fixed part, that is, the switch is closed, and at this time, the wireless transmission module is awakened.

Further, the switch is one of: the switch comprises a tact switch, a Hall element and a reed switch, and the switch can be any switch with an open state and a closed state.

Further, the cooking appliance further includes: and the connecting wire is positioned in the upper cover, one end of the connecting wire is electrically connected with the switch, and the other end of the connecting wire is electrically connected with the wireless sending module. The switch is connected with the wireless sending module through a connecting wire, and when the switch is closed, the wireless sending module is awakened.

Further, the wireless sending module comprises a single chip microcomputer, the switch is connected with the single chip microcomputer of the wireless sending module, and when the switch is closed, the wireless sending module is awakened.

Further, cooking utensil still includes temperature detection module and wireless receiving module, temperature detection module is located in the upper cover, wireless receiving module is located the intracavity that holds of body, temperature detection module with wireless sending module electricity is connected, wireless receiving module is used for receiving the temperature signal that wireless sending module sent, in this scheme, when temperature detection module was used for detecting cooking utensil culinary art, the temperature of the steam in the cooking utensil, and then temperature detection module transmits the temperature signal that detects to wireless sending module, and then wireless sending module sends the temperature signal that detects to wireless receiving module, and wireless receiving module receives the temperature signal, and then the control panel carries out temperature control according to the temperature signal.

By applying the technical scheme of the application, the switch is electrically connected with the wireless transmitting module, when the motion structure is changed from the first state to the second state, the switch is changed from the open state to the closed state, and when the switch is in the closed state, the wireless transmitting module is awakened, namely, the wireless transmitting module starts to work at the moment. The wireless sending module is not required to adopt a discontinuous sending mode, and when the cooking appliance is in a non-cooking state, the wireless sending module is in a non-working state, so that the working time of the wireless sending module is reduced, and the service life of the battery is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

fig. 1 is a schematic exterior view of a cooking appliance according to an embodiment of the present application;

FIG. 2 shows a schematic view of a cooking appliance according to an embodiment of the present application;

fig. 3 illustrates a cross-sectional view of an upper cover of a cooking appliance according to an embodiment of the present application;

FIG. 4 shows an enlarged view of a portion of the structure at A of FIG. 3;

FIG. 5 illustrates a top view of an inner liner of an upper lid of a cooking appliance, according to an embodiment of the present application;

FIG. 6 shows a schematic diagram of a single-chip microcomputer according to an embodiment of the application;

fig. 7 shows a partial schematic structural view of a cooking appliance according to an embodiment of the present application;

fig. 8 is a partial schematic structural view of another cooking appliance according to an embodiment of the present application; and

fig. 9 shows a partial structure enlarged schematic view at B of fig. 8.

Wherein the figures include the following reference numerals:

10. an upper cover; 20. a wireless transmission module; 30. a first linkage mechanism; 40. a body; 50. a wireless receiving module; 60. connecting a lead; 11. an accommodating chamber; 12. a spacer layer; 13. the inner wall of the upper cover; 14. an outer wall of the upper cover; 15. a steel cover; 41. a heat-preserving cover; 42. cooking teeth; 43. reserving a hole; 121. mounting holes; 21. a single chip microcomputer; 211. a first port; 212. a second port; 213. a third port; 31. a switch; 32. a motion structure; 311. a fixed part; 312. a movable portion; 321. a motion bar; 322. an elastic member; 44. a control panel; 45. a power supply socket.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As described in the background art, the conventional wireless transmission module generally adopts an intermittent transmission mode, and when the cooking appliance is in a non-cooking state, the wireless transmission module is also in a working state, so that the working time of the wireless transmission module is increased, and the service life of a battery is shortened.

In order to solve the technical problem of short service life of the battery, the present application proposes a cooking appliance, as shown in fig. 1 to 6, comprising:

an upper cover 10;

a wireless transmission module 20 located inside the upper cover 10;

a first linkage mechanism 30 located inside the upper cover 10, wherein the first linkage mechanism 30 includes a switch 31 and a moving structure 32, the switch 31 is electrically connected to the wireless transmission module 20, the switch 31 has a closed state and an open state, the moving structure 32 has a first state and a second state, the moving structure 32 is in the first state, the switch 31 is in the open state, and the moving structure 32 is in the second state, the switch 31 is in the closed state;

and a body 40, wherein the moving structure 32 moves to switch the first state to the second state in a process from the separation of the upper cover 10 from the body 40 to the closing thereof, so that the switch 31 is changed from an open state to a closed state.

In the cooking appliance, the switch is electrically connected with the wireless transmission module, and in the process from the separation of the upper cover and the body to the closing of the upper cover, the motion structure is changed from the first state to the second state, the switch is changed from the open state to the closed state, and when the switch is in the closed state, the wireless transmission module is waken, namely, the wireless transmission module starts to work. When the cooking appliance is in a non-cooking state (a state that the upper cover is separated from the body), the wireless transmitting module is in a non-working state, and when the cooking appliance is in a cooking state (a state that the upper cover is covered with the body), the switch is closed to wake up the wireless transmitting module, so that the wireless transmitting module starts to transmit information. In the cooking utensil, the wireless sending module is not required to adopt a discontinuous sending mode, so that the working time of the wireless sending module is reduced, and the service life of a battery is prolonged.

In an embodiment of the present application, as shown in fig. 3 and 8, a peripheral edge region of the upper cover 10 has a receiving cavity 11, and at least a portion of the first linkage 30 is located in the receiving cavity 11.

In an embodiment of the present application, the switch and the moving structure are distributed along the first predetermined direction, and the switch is located on a side of the moving structure away from the inner wall of the upper cover, where the first predetermined direction is an axial direction of the upper cover. The switch and the moving structure are distributed along the axial direction of the upper cover, so that the wireless transmitting module can be controlled to move when the switch is moved, the moving structure moves along a first preset direction to enable the first state to be switched to the second state, and in the embodiment, in the process that the upper cover is covered with the body, the moving structure moves upwards along the axial direction of the upper cover, so that part of the structure of the switch moves along the direction to change from the open state to the closed state.

In addition to the switch and the moving structure being disposed in the axial direction of the upper cover, in an embodiment of the present application, as shown in fig. 4, the switch and the moving structure 32 are distributed along a second predetermined direction, the switch is located on a side of the moving structure 32 away from the center of the upper cover, the second predetermined direction is a radial direction of the upper cover, and the moving structure moves along the second predetermined direction to switch the first state to the second state.

In one embodiment of the present application, as shown in fig. 4 and 9, the upper cover has a spacing layer 12 therein, the receiving cavity 11 is formed between the spacing layer 12 and the outer wall 14 of the upper cover, the spacing layer 12 has a mounting hole 121, the moving structure 32 includes a moving rod 321 and an elastic member 322, the moving rod 321 passes through the mounting hole 121; the elastic member 322 is connected to the moving rod 321, the elastic member 322 is located in the accommodating cavity 11, when the moving structure 32 is in the first state, the elastic member 322 is in a natural extension state, and when the moving structure 32 is in the second state, the elastic member 322 is in a compression state. That is, when the elastic element 322 is in the compressed state, the moving structure 32 is in the second state, and the switch is in the closed state, at this time, the wireless transmitting module is awakened to start transmitting signals; that is, when the elastic member 322 is in the natural extension state, the moving structure 32 is in the first state, the switch is in the off state, and the wireless transmitting module is not awakened. In case the mobile structure 32 moves in a predetermined direction to an extreme position, the elastic element 322 returns from the compressed state to the natural extended state, the switch 31 changes from the closed state to the open state, and it is always in the working state during cooking, since the wireless transmission module has been awakened.

In an embodiment of the present application, as shown in fig. 4, the upper cover 10 further includes a steel cover 15, and the mounting hole 121 further extends and is opened in the steel cover 15.

In an embodiment of the present invention, as shown in fig. 4 and 7, the body 40 has a heat-insulating cover 41, the heat-insulating cover 41 has pot teeth 42, the heat-insulating cover 41 has a prepared hole 43, the moving rod 321 is engaged with the pot teeth 42 when the upper cover is separated from the body and closed, the moving rod does not pass through the prepared hole, the elastic member is in a compressed state, and when the upper cover is completely closed with the body, the moving rod passes through the prepared hole, and the elastic member is in a natural extension state.

The present application is directed to any elastic member of the prior art having two states, a natural elongation state and a compression state, and in one embodiment of the present application, the elastic member is one of the following: helical spring, volute spring, pressure spring.

In one embodiment of the present application, as shown in fig. 4 to 6, the switch 31 includes a fixed portion 311 and a movable portion 312, the fixed portion 311 is connected to the wireless transmission module 20, when the moving structure 32 is in the second state, the movable portion 312 is connected to the fixed portion 311, and the fixed portion 311 and the movable portion 312 are conductive metal portions respectively. That is, when the moving structure 32 is in the second state, that is, when the elastic member 322 is in the compressed state, the switch 31 is closed when the movable portion 312 is connected to the fixed portion 311, and the wireless transmission module 20 is awakened.

In an embodiment of the present application, the switch is one of the following: a touch switch, a Hall element and a reed switch. The switch may be any switch having two states, open and closed.

In an embodiment of the present invention, as shown in fig. 2 to 5, the cooking appliance further includes a connection wire 60 located in the upper cover 10, one end of the connection wire 60 is electrically connected to the switch 31 (connection relation is not shown), and the other end of the connection wire 60 is electrically connected to the wireless transmission module 20 (connection relation is not shown). The switch 31 is connected to the wireless transmitter module 20 via the connecting wire 60, and when the switch 31 is closed, the wireless transmitter module 20 is awakened.

In an embodiment of the present application, as shown in fig. 5 and 6, the wireless transmitting module 20 includes a single chip 21, and the switch 31 is connected to the single chip 21. The switch 31 is connected to the single chip 21 of the wireless transmission module 20, and when the switch 31 is closed, the wireless transmission module 20 is awakened.

In an embodiment of the present application, as shown in fig. 2, the cooking appliance further includes a temperature detection module and a wireless receiving module 50, the temperature detection module is located in the upper cover 10, the wireless receiving module 50 is located in the accommodating cavity of the body 40, the temperature detection module is electrically connected to the wireless transmitting module 20, the wireless receiving module is configured to receive a temperature signal sent by the wireless transmitting module, the temperature detection module is configured to detect a temperature of steam in the cooking appliance when the cooking appliance cooks, and further the temperature detection module transmits the detected temperature signal to the wireless transmitting module 20, and further the wireless transmitting module 20 transmits the detected temperature signal to the wireless receiving module 50, and the wireless receiving module 50 receives the temperature signal, and further the control board 44 performs temperature control according to the temperature signal.

In an embodiment of the present application, as shown in fig. 2, the signal sent by the wireless sending module 20 is a temperature signal measured by the temperature detecting module, and the measured temperature signal may be an NTC signal. The temperature signal can well represent the working state of the cooking utensil.

In practical application, after waking up the wireless transmission module, if within a certain time, such as 10 minutes, the user does not press the start key. The wireless transmitting module continues to enter the sleep state. If cooking is started in the completely dormant state of the wireless transmitting module, the nixie tube can prompt a certain error, such as E0. And reminding the user that the temperature measurement is abnormal. At the moment, the user only needs to slightly rotate the upper cover, so that the switch is triggered, and after the wireless transmitting module is awakened, the cooking is continued.

After waking up the wireless transmission module, if the user selects the reserved function. The wireless transmitting module may enter the fully dormant state again within the reserved time period. And when the reserved time is finished and cooking is started, the wireless transmitting module starts to work and transmits the temperature signal to be measured.

After cooking is finished, the wireless sending module continues to enter a complete dormant state, and when the cooking is used for the next time, the cover is opened or closed and then triggered to be awakened.

Examples

The embodiment relates to a specific cooking appliance, which is shown in fig. 1, is a complete external view of the cooking appliance, and is shown in fig. 2, which is a schematic view of the cooking appliance, and the cooking appliance includes an upper cover 10, a wireless transmitting module 20, an upper cover inner wall, a body 40, a wireless receiving module 50, a control board 44, and a power supply socket 45. For a separate cooking appliance, the upper cover 10 and the main body 40 are separated, and the measured temperature signal cannot be transmitted by adopting a flat cable connection manner, and is generally transmitted by adopting a wireless transmission manner, that is, a wireless receiving module 50 is arranged at the bottom of the cooking appliance, and a wireless transmitting module 20 is arranged at the upper cover 10. The wireless transmitting module 20 transmits the measured temperature value, and the bottom wireless receiving module 50 receives the temperature signal transmitted by the top wireless transmitting module 20. And transmits the received temperature signal to the control board 44 for corresponding cooking control. The wireless transmission method of the wireless transmission module 20 and the wireless reception module 50 may be bidirectional, and may be capable of receiving and transmitting. Wherein the bottom wireless receiving module 50 is connected to the control board 44 and powered by an external power source. The top wireless transmission module 20 is generally powered by a button battery. In order to prolong the service life of the battery and achieve the purpose of saving power, the wireless module generally adopts a discontinuous transmission mode. For example, sleep for 5S and transmit for 1S, so as to reduce power consumption of the wireless module and prolong battery service time.

However, in the intermittent transmission mode, when the cooking appliance is in a non-cooking state, the wireless transmission module is also in a working state, so that the working time of the wireless transmission module is increased, and the service life of the battery is shortened. At this time, an external triggering mode can be adopted to trigger the wireless sending module to arouse the sleep state of the wireless sending module, so that the wireless sending module communicates with the bottom receiving module to transmit the temperature signal to be measured.

As shown in fig. 3, which is a cross-sectional view of the upper lid 10 of the cooking appliance, the upper lid 10 includes a first linkage mechanism 30, a receiving cavity 11, and an inner wall 13 of the upper lid; as shown in fig. 4, which is an enlarged view of a portion of the structure at a in fig. 3, the structure includes a switch (not shown), a moving structure 32, a moving rod 321, an elastic member 322, a spacing layer 12, a mounting hole 121, and an outer wall 14 of the upper cover; as shown in fig. 5, which is a top view of the inner wall 13 of the upper cover of the cooking appliance, the inner wall 13 of the upper cover, the wireless transmission module 20 and the connecting wire 60 are included; as shown in fig. 6, which is a schematic diagram of the connection between the single chip 21 and the switch 31, the single chip 21 includes a first port 211, a second port 212, and a third port 213, the first port 211 is an electrical connection terminal, the third port 213 is a ground terminal, the second port 212 is connected to one end of the switch 31, the other end of the switch 31 is grounded, the switch 31 may also be connected to the second port 212 through a resistor R1, and the switch 31 includes a fixed portion 311 and a movable portion 312.

Specifically, as shown in fig. 1 to 6, in the present embodiment, the wireless transmission module 20 specifically works in such a manner that the switch 31 is connected to the single chip 21 of the wireless transmission module 20 through the connection wire 60, when the upper cover 10 and the body 40 are closed, the pot edge compresses the moving rod 321 (specifically, the moving rod 321 may include a protruding point), at this time, the elastic member 322 (which may specifically be a spring) is in a compressed state, the switch 31 disposed in the same direction as the elastic member 322 is compressed, at this time, the switch 31 is changed from an open state to a closed state, as shown in fig. 6, the switch 31 includes a fixed portion 311 and a movable portion 312, the fixed portion 311 of the switch 31 is grounded, when the switch 31 is closed, the fixed portion 311 of the switch 31 is connected to the movable portion 312, at this time, the switch 31 is in a grounded state, the switch 31 is connected to a pin of the single chip 21 of the wireless transmission, the second port 212 of the single chip 21 of the wireless transmitting module 20 is at a low level, and a signal on the second port 212 is used as an external trigger signal to wake up the sleep state of the wireless transmitting module 20, at this time, the wireless transmitting module 20 is woken up, and the wireless transmitting module 20 starts to transmit the measured temperature signal.

As shown in fig. 7, when the upper cover and the body are completely covered, the body is just opposite to the preformed hole 43 at the position of the protruding point, so that the protruding motion rod of the first linkage mechanism is in a rebounding state under the action of the reset spring, the spring resets (namely, the spring is in a natural extension state), the switch is disconnected at the moment, the wireless sending module is not waken up, in practical application, only the wireless sending module needs to be wakened up, after the wireless sending module is wakened up, the wireless sending module enters a working state of intermittently sending signals, such as dormancy 5S, sending 1S, when the cooking utensil is out of work, the wireless sending module is not waken up, so that the working time of the wireless sending module is shortened, and the service life of.

As shown in fig. 7, in addition, in the process of closing, if the cover is not closed in place, the protruding moving rod is compressed by the pot teeth 42, and the elastic member is in a compressed state. I.e. from the closed to the fully closed position, the elastic member is compressed and naturally extended.

From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:

the cooking utensil of this application is connected with above-mentioned wireless transmission module through the switch, and when the motion structure changed from above-mentioned first state to above-mentioned second state, the switch changed from the off-state to the on-state, when the switch was the on-state, awakened wireless transmission module, and wireless transmission module began work this moment promptly. The wireless sending module is not required to adopt a discontinuous sending mode, and when the cooking appliance is in a non-cooking state, the wireless sending module is in a non-working state, so that the working time of the wireless sending module is reduced, and the service life of the battery is prolonged.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A cooking appliance, comprising:

an upper cover (10);

a wireless transmission module (20) located inside the upper cover (10);

a first linkage mechanism (30) located inside the upper cover (10), the first linkage mechanism (30) comprising a switch (31) and a moving structure (32), the switch (31) being electrically connected with the wireless transmission module (20), the switch (31) having a closed state and an open state, the moving structure (32) having a first state and a second state, the moving structure (32) having the first state in which the switch (31) is in the open state, the moving structure (32) having the second state in which the switch (31) is in the closed state;

and the body (40) is separated from the upper cover (10) and the body (40) to the covering process, and the motion structure (32) moves to enable the first state to be switched to the second state.

2. The cooking appliance according to claim 1, wherein the peripheral edge region of the upper cover (10) has a receiving cavity (11), at least part of the first linkage (30) being located within the receiving cavity (11).

3. The cooking appliance according to claim 1, wherein the switch (31) and the moving structure (32) are distributed along a first predetermined direction, and the switch (31) is located on a side of the moving structure (32) away from an inner wall of the upper cover (10), the first predetermined direction being an axial direction of the upper cover (10); or the switch (31) and the moving structure (32) are distributed along a second preset direction, the switch (31) is positioned on one side of the moving structure (32) far away from the center of the upper cover (10), and the second preset direction is the radial direction of the upper cover (10).

4. The cooking appliance according to claim 2, wherein the upper cover (10) has a spacing layer (12) therein, the spacing layer (12) and an outer wall of the upper cover (10) form the receiving cavity (11) therebetween, the spacing layer (12) has a mounting hole (121), and the moving structure (32) comprises:

a moving rod (321) passing through the mounting hole (121);

the elastic piece (322) is connected with the moving rod (321), the elastic piece (322) is located in the accommodating cavity (11), when the moving structure (32) is in the first state, the elastic piece (322) is in a natural extension state, and when the moving structure (32) is in the second state, the elastic piece (322) is in a compression state.

5. The cooking appliance according to claim 4, wherein the upper cover (10) further comprises a steel cover (15), the mounting hole (121) further extending and opening in the steel cover (15).

6. The cooking utensil according to claim 4, characterized in that the body (40) has a heat-insulating cover (41), the heat-insulating cover (41) is provided with pot teeth (42), the heat-insulating cover (41) is provided with a reserved hole (43), the moving rod (321) is matched with the pot teeth (42) in the process that the upper cover (10) and the body (40) are separated to cover, the elastic member (322) is in a compressed state, when the upper cover (10) and the body (40) are completely covered, the moving rod (321) passes through the reserved hole (43), and the elastic member (322) is in a natural extension state.

7. The cooking appliance according to claim 4, wherein the elastic member (322) is one of:

helical spring, volute spring, pressure spring.

8. The cooking appliance according to any one of claims 1 to 3, wherein the switch (31) comprises a fixed part (311) and a movable part (312), the fixed part (311) being connected to the wireless transmission module (20), the movable part (312) being connected to the fixed part (311) when the kinematic structure (32) is in the second state, the fixed part (311) and the movable part (312) being conductive metal parts, respectively.

9. The cooking appliance according to any one of claims 1 to 3,

the switch (31) is one of the following:

a tact switch, a Hall element and a reed switch; and/or

The cooking appliance further comprises:

the connecting lead (60) is positioned in the upper cover (10), one end of the connecting lead (60) is electrically connected with the switch (31), and the other end of the connecting lead (60) is electrically connected with the wireless transmitting module (20); and/or

The wireless sending module (20) comprises a single chip microcomputer (21), and the switch (31) is connected with the single chip microcomputer (21).

10. The cooking appliance according to claim 1, further comprising a temperature detection module and a wireless receiving module (50), wherein the temperature detection module is located in the upper cover (10), the wireless receiving module (50) is located in the accommodating cavity of the body (40), the temperature detection module is electrically connected with the wireless transmitting module (20), and the wireless receiving module (50) is used for receiving a temperature signal transmitted by the wireless transmitting module (20).

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