CN213786900U

CN213786900U - Knob device and cooking device

Info

Publication number: CN213786900U
Application number: CN202021426627.0U
Authority: CN
Inventors: 江德勇; 郑量; 黄庶锋; 谢昭家; 江太阳; 王云峰
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-07-27
Anticipated expiration: 2030-07-17

Abstract

The application discloses knob device and culinary art device. The knob device includes: the temperature measuring device comprises a knob main body, a connecting piece and a temperature measuring assembly, wherein the connecting piece is arranged on the knob main body, and the knob main body is detachably connected with a control panel or a cooker of the cooking device through the connecting piece; the temperature measurement component is arranged on the knob main body and used for detecting the temperature of a control panel or a cooker connected with the knob main body. Foretell knob device can dismantle with cooking device or pan and be connected, and then carry out temperature detection to cooking device and pan for cooking device can control the temperature of culinary art more accurately, promotes culinary art effect.

Description

Knob device and cooking device

Technical Field

The application relates to the field of household appliance control, in particular to a knob device and a cooking device.

Background

When a cooking device is used for heating, in order to better control the cooking device or monitor a heated appliance (such as a pot), temperature detection is generally required to be performed on the cooking device or the heated appliance. General temperature detection methods include an electromagnetic induction type, a heat sensitive type, and the like, and in an induction cooker as an example, a temperature detection unit is generally disposed below a heating panel to detect a temperature of a pot.

However, since the temperature detecting unit and the pot are separated by the panel, the temperature of the pot is not accurately measured and lags seriously, so that the cooking parameters cannot be adjusted in real time by using the temperature, and the cooking effect is poor.

SUMMERY OF THE UTILITY MODEL

The main technical problem who solves of this application provides a knob device and culinary art device, can solve the big problem of pan temperature measurement error among the prior art.

In order to solve the technical problem, the application adopts a technical scheme that: provided is a knob device including: the temperature measuring device comprises a knob main body, a connecting piece and a temperature measuring assembly, wherein the connecting piece is arranged on the knob main body, and the knob main body is detachably connected with a control panel or a cooker of the cooking device through the connecting piece; the temperature measurement component is arranged on the knob main body and is used for detecting the temperature of the control panel or the cookware connected with the knob main body. The knob device can be detachably connected with the cooking device or the cooker, so that the temperature of the cooking device and the cooker can be detected, and the temperature of the cooker can be measured more accurately.

Wherein, temperature measurement subassembly includes: the temperature sensor is used for detecting the temperature of the control panel or the cooker; and the control circuit is connected with the temperature sensor and is used for acquiring temperature data detected by the temperature sensor.

The temperature measuring assembly further comprises a communication module connected with the control circuit and configured to be in communication connection with the control panel so as to send the temperature data to the control panel.

The temperature measurement assembly further comprises a heat conduction piece, the heat conduction piece is arranged on one side of the knob body and is in contact with the temperature sensor, and the heat conduction piece is used for conducting heat between the control panel and the temperature sensor or conducting heat between the pot and the temperature sensor.

The connecting piece comprises a first magnetic piece, a second magnetic piece is arranged in the control panel, and the knob body is fixed on the control panel through the magnetic adsorption effect of the first magnetic piece and the second magnetic piece.

Wherein, the knob main part includes fixed part and rotation portion, the connecting piece set up in the fixed part, so that the fixed part passes through the connecting piece with control panel or pan can dismantle the connection, the rotation portion is connected the fixed part, and be disposed in can for the fixed part rotates to realize the rotation operation.

Wherein, the knob device still includes: the knob induction circuit comprises at least two switches which are configured to be switched on and off successively in response to the rotation of the rotating part; the control circuit is connected with the at least two switches and used for determining the rotating direction of the rotating part according to the on-off sequence of the at least two switches so as to generate corresponding knob control signals.

Wherein, the knob induction circuit includes: the power supply circuit comprises a first resistor, a first switch, a second resistor and a second switch, wherein a power supply signal is input to the first end of the first resistor; the first end of the first switch is connected with the second end of the first resistor, and the second end of the first switch is grounded; a first end of the second resistor is used for inputting a power supply signal; the first end of the second switch is connected with the second end of the second resistor, and the second end of the second switch is grounded; the control circuit is connected to the first end of the first switch and the first end of the second switch.

The knob device also comprises a first sensing piece which is arranged on the side edge of the knob main body and rotates around the central shaft of the knob main body along with the rotation of the knob main body; the control panel is internally provided with a plurality of second induction pieces, and the first induction piece responds to the rotation operation of the knob main body to generate induction with at least one second induction piece in the plurality of second induction pieces, so that the control panel is operated.

The first induction piece is a magnetic induction piece, and the plurality of second induction pieces are Hall sensors.

The first sensing piece is a metal sensing piece, and the plurality of second sensing pieces are capacitance sensing pieces.

In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a cooking appliance comprising a control panel and a knob device, wherein the knob device is any one of the knob devices provided above.

The beneficial effect of this application is: be different from prior art's condition, the form of being connected can be dismantled with cooking device and pan with the design of button device to this application to set up temperature measurement subassembly and make it possess the function of temperature measurement, because the detachability of knob device, make the user can be connected knob device and the part of arbitrary needs temperature measurement, with carry out temperature measurement to cooking device or pan, and further, because knob device and pan can direct contact, consequently can measure the temperature of pan more accurately, with control the culinary art process better.

Drawings

FIG. 1 is a schematic structural diagram of a knob device according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an embodiment of the connector of FIG. 1 of the present application;

FIG. 3 is a schematic block diagram of a circuit configuration of an embodiment of the knob device of the present application;

FIG. 4 is a schematic structural view of an embodiment of the present invention in which a heat-conductive member is disposed;

FIG. 5 is a schematic view of a portion of an embodiment of a control panel according to the present application;

FIG. 6 is a schematic structural view of another embodiment of a knob device according to the present application;

FIG. 7 is a schematic structural view of a further embodiment of a knob device according to the present application;

FIG. 8 is a schematic block diagram of the circuit configuration of another embodiment of the knob device of the present application;

fig. 9 is a schematic structural diagram of an embodiment of a cooking device according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a knob device according to an embodiment of the present application. The knob device 10 includes: knob main part 11, connecting piece 12, temperature measurement component 13, wherein, connecting piece 12 and temperature measurement component 13 all set up in knob main part 11, and knob main part 11 can be dismantled with cooking device's control panel or pan through connecting piece 12 and be connected, and temperature measurement component 13 is used for carrying out temperature detection to the control panel or the pan of being connected with knob main part 11.

Particularly, on the pan all be provided with the connecting piece with control panel for with connecting piece 12 cooperation for connecting piece cooperation use and be fixed in pan or control panel on knob main part 11 accessible connecting piece 12 and the control panel or the pan, thereby temperature measurement subassembly 13 can carry out temperature-detecting to pan or control panel.

Optionally, in an embodiment, the knob body 11 is a cylinder, one bottom surface of the cylinder contacts the control panel to be detachably connected with the control panel, and the knob connected to the control panel can control the knob body 11 to rotate by holding the outer surface of the sidewall of the knob to send out a control instruction, thereby implementing the function control of the cooking device and completing the cooking operation.

In further embodiments, the knob body 11 may include two stacked cylindrical structures, and in particular may include a bottom first cylinder and a top second cylinder. Wherein the bottom surface of the first cylinder is in contact with the control panel 20 to enable a detachable connection with the control panel 20. Further, the first cylinder and the second cylinder are coaxially arranged, the second cylinder can rotate along the axis relative to the first cylinder, and a user can rotate the second cylinder by holding the side wall of the second cylinder. The knob body may also have other shapes, and is not limited to the above shapes.

Optionally, in an embodiment, the temperature measuring component 13 is disposed on a side of the knob body 11, which is used to contact an appliance to be measured (e.g., a cooking device or a pot), so that when the knob body 11 contacts the appliance to be measured, a distance between the temperature measuring component 13 and the appliance to be measured is as small as possible, and heat loss during heat conduction is reduced, so as to prevent inaccurate temperature detection due to too large heat loss. Further, one side of the knob main body 11, which is used for contacting with a temperature measuring device to be measured, is provided with a groove, the temperature measuring component 13 is arranged in the groove, and when the knob main body 11 contacts with the temperature measuring device to be measured, the temperature measuring component 13 directly contacts with the temperature measuring device to be measured, so that heat loss is further reduced, and a temperature detection result is more accurate.

The knob device 10 of this embodiment can dismantle with cooking device or pan through connecting piece 12 and be connected to can carry out temperature detection to cooking device or pan through temperature measurement subassembly 13, so that cooking device carries out more accurate temperature regulation according to the temperature data who surveys, cooks the process to the accuse, thereby improves the culinary art effect.

Optionally, referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of the connector according to the present application. The connecting member 12 of this embodiment is a magnetic connecting member, and specifically, the knob body 11 is provided with a first magnetic member 121, the control panel 20 is provided with a second magnetic member 21, and the knob body 11 is fixed on the control panel 20 through the magnetic attraction between the first magnetic member 121 and the second magnetic member 21. For example, the first magnetic member 121 and the second magnetic member 21 are both magnets, and each of the magnets includes an S pole and an N pole, and the first magnetic member 121 and the second magnetic member 21 have opposite magnetic poles, as shown in fig. 3, the N pole of the first magnetic member 121 and the S pole of the second magnetic member 21 are opposite, so that the knob body 11 can be firmly attached to the control panel 20 through the magnetic attraction between the first magnetic member 121 and the second magnetic member 21. Since the magnetic attraction may be generated not only by the magnetic attraction between the magnets, but also by some ferromagnetic metals, the first magnetic member 121 and the second magnetic member 21 may be disposed in a manner that is feasible, such as by the magnets and the ferromagnetic metals, and not limited to the manner of this embodiment.

The connecting piece 12 of this embodiment is magnetic, and the accessible can realize being connected with pan or control panel with ferromagnetic substance's cooperation, especially to the cooking utensil that utilizes electromagnetic heating, the pan need use the ferromagnetic pan, and consequently, need not to install the connecting piece in addition on the pan and just can realize fixing knob main part 11 on the pan, and then carry out temperature detection to the pan, promote culinary art effect.

Alternatively, the connecting member 12 may also be a fastening structure or a suction cup, and the control panel is correspondingly provided with a corresponding fastening structure or a corresponding suction portion to cooperate with the fixing knob body 11, and is not limited to the magnetic suction manner.

Referring to fig. 3, fig. 3 is a schematic block diagram of a circuit structure of an embodiment of the knob device of the present application, and the temperature measuring assembly 13 includes: temperature sensor 131, control circuit 132, power supply circuit 133, wherein, temperature sensor 131 is used for detecting the temperature of control panel or pan, and control circuit 132 is connected temperature sensor 131, and control circuit 132 is used for acquireing the temperature data that temperature sensor detected, and power supply circuit 133 connects control circuit 132 to supply power to the circuit, guarantee temperature measuring component 13 and normally work.

Optionally, the temperature sensor 131 is a thermistor and is disposed on the same side as the connecting member 12 (shown in fig. 1), and after the knob body 11 is fixed on the control panel or the pot, the temperature sensor 131 can be in large-area contact with the control panel or the pot, so as to improve the accuracy of temperature detection.

The temperature measuring assembly 13 further includes a communication module 134, the communication module 134 is connected to the control circuit 132, and can establish communication connection with the control panel to send the temperature data to the control panel, so that the control panel can obtain more accurate temperature information of the pot through the knob device 10, and the problem of poor cooking effect caused by inaccurate temperature detection is effectively solved. Optionally, the communication module 134 establishes a communication connection with the control panel in a wireless manner, such as WiFi or bluetooth.

Optionally, the temperature measuring assembly 13 further includes a heat conducting member 135, the heat conducting member 135 is disposed at one side of the knob body 11 and contacts with the temperature sensor 131 for conducting heat between the control panel and the temperature sensor 131, or between the pot and the temperature sensor 131.

Referring to fig. 4, fig. (a) is a longitudinal sectional view of the knob device 10, and fig. (b) is a transverse sectional view of the knob device 10. Heat-conducting member 135 and connecting piece 12 homonymy set up, and heat-conducting member 135 is the annular and sets up in the outside of connecting piece 12, and after knob main part 11 was fixed on the temperature instrument that awaits measuring, the temperature instrument that awaits measuring can be pressed close to heat-conducting member 135 and connecting piece 12 to can acquire comparatively accurate temperature information. Further, heat-conducting piece 135 inlays and locates knob main part 11, and sets up in one side that knob main part 11 is used for contacting the temperature instrument that awaits measuring, and heat-conducting piece 135 part is exposed, and knob main part 11 is connected when waiting the temperature instrument, and the temperature instrument that awaits measuring is conducted to furthest with the temperature conduction of the temperature instrument that awaits measuring to temperature sensor 131, reduces the calorific loss in the conduction process, further promotes the accuracy that the temperature detected.

Alternatively, the heat conducting member 135 is made of a material with good heat conductivity, such as metal or metal alloy (e.g., aluminum alloy, copper alloy).

Further, a first sensing member 14 is provided at a side of the knob body 11, the knob body 11 generates a rotation center axis in response to a turning operation, and the first sensing member 14 rotates around the center axis. Referring to fig. 5, fig. 5 is a schematic partial structural view of an embodiment of a control panel of the knob device of fig. 1. A plurality of second sensing members 21 and a matching connecting member 22 are disposed in the control panel 20, the matching connecting member 22 is used for matching with the connecting member 12 disposed on the knob body 11 to fix the knob body 11 to the control panel 20, and the first sensing member 14 responds to the rotation operation of the knob body 11 to generate a sensing with at least one of the plurality of second sensing members 21, thereby realizing the operation of the control panel 20.

In one embodiment, the first sensing element 14 is a magnetic sensing element, and the plurality of second sensing elements 21 are hall sensors. The first sensing member 14 responds to the rotation of the knob body 11, the hall sensor senses the change of the magnetic field to generate a plurality of magnetic induction signals, and the control panel 20 determines the rotation direction of the knob body 11 according to the plurality of magnetic induction signals to realize the control of the functions of the cooking device.

In another embodiment, the first sensing element 14 is a metal sensing element and the second sensing element 21 is a capacitive sensing element. Referring to fig. 6, fig. 6 is a schematic structural diagram of another embodiment of a knob device according to the present application. The knob device 10 comprises a knob main body 11, a connecting piece 12, a temperature measuring component 13, a first sensing component 14 and a shell component 15, wherein the connecting piece 12 and the temperature measuring component 13 are both arranged on the knob main body 11, the knob main body 11 is detachably connected with a control panel or a cooker of a cooking device through the connecting piece 12, the temperature measuring component 13 is used for detecting the temperature of the control panel or the cooker connected with the knob main body 11, the first sensing component 14 and the shell component 15 are integrally formed components and are made of metal materials, and the first sensing component 14 is made of metal materials. The second sensing member 21 obtains a plurality of capacitance signals generated by the rotation of the first sensing member 15 relative to the second sensing member 21 through the rotation of the knob body 11, and the control panel 20 determines the rotation direction of the knob body 11 according to the plurality of capacitance signals to realize the control of the functions of the cooking device.

Referring to fig. 7 and 8, fig. 7 is a schematic structural diagram of another embodiment of the knob device of the present application, and fig. 8 is a schematic block diagram of a circuit structure of another embodiment of the knob device of the present application. The knob body 11 includes: the fixing part 11a and the rotating part 11b, the connecting piece 12 is disposed on the fixing part 11a, so that the fixing part 11a can be detachably connected with the control panel or the pot through the connecting piece 12, and the rotating part 11b is connected with the fixing part 11a and can rotate relative to the fixing part 11a to realize the rotating operation.

The internal circuit of the knob device 10 includes: temperature sensor 131, control circuit 132, power supply circuit 133, communication module 134, sensing circuit 136.

Wherein, temperature sensor 131 is used for detecting the temperature of control panel or pan, and control circuit 132 is connected temperature sensor 131, and control circuit 132 is used for acquireing the temperature data that temperature sensor detected, and power supply circuit 133 connects control circuit 132 to the circuit power supply, guarantee temperature measuring component 13 and normally work. The communication module 134 is connected to the control circuit 132 and configured to establish a communication connection with the control panel to transmit the temperature data to the control panel. The heat conduction member 135 is disposed at one side of the knob body 11, and is in contact with the temperature sensor 131 for conducting heat between the control panel and the temperature sensor 131 or between the pot and the temperature sensor 131.

The sensing circuit 136 includes at least two switches configured to be turned on and off sequentially in response to the rotation of the rotating portion 11b, and the control circuit 132 is further connected to the at least two switches, and determines the rotation direction of the rotating portion 11b according to the turn-on and turn-off sequence of the at least two switches to generate a corresponding knob control signal.

The sensing circuit 136 of the present embodiment includes: the circuit comprises a first resistor R1, a first switch K1, a second resistor R2 and a second switch K2. The first end of the first resistor R1 is inputted with a power signal, the first end of the first switch K1 is connected with the second end of the first resistor R1, and the second end of the first switch K1 is grounded. The first end of the second resistor R2 is inputted with a power signal, the first end of the second switch K2 is connected with the second end of the second resistor R2, and the second end of the second switch K2 is grounded. The control circuit 132 connects a first terminal of the first switch K1 and a first terminal of the second switch K2. In fact, the number of elements in the sensing circuit 136 and the connection manner between the elements are various, and are not limited to the arrangement manner of the embodiment.

Optionally, the temperature sensor 131, the control circuit 132, the power circuit 133, the communication module 134, the heat conducting element 135, and the sensing circuit 136 are all disposed on the fixing portion 11a, the rotating portion 11b is correspondingly provided with a dial, the rotating portion 11b responds to the rotating operation, the dial acts on the first switch K1 and the second switch K1 in sequence during the rotating process, so that the first switch K1 and the second switch K1 are sequentially turned on and off, the control circuit 132 obtains the alternate electrical signal, and obtains the rotation direction information of the rotating portion 11b according to the alternate electrical signal, thereby realizing the function control of the knob device 10 on the cooking device.

The beneficial effect of this application is: this application is detachable knob through setting up the knob for the knob can be dismantled with pan and cooking device and be connected, and the knob can also directly carry out the temperature to the pan and detect when possessing function control, makes the detection of culinary art temperature more reliable, promotes culinary art effect, and easy and simple to handle.

Referring to fig. 9, the present application further provides a cooking apparatus 100, where the cooking apparatus 100 includes a control panel 110 and a knob device 120, the control panel 110 is used for placing a pot and heating the pot to cook food, and the knob device 120 is a knob assembly of any of the above embodiments and is used for performing function control on the cooking apparatus 100 and performing temperature detection on the cooking apparatus 100 or the pot, so as to enable the temperature detection to be more accurate, thereby improving the cooking effect.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. A knob device, characterized in that the knob device comprises:

a knob body;

the connecting piece is arranged on the knob main body, and the knob main body is detachably connected with a control panel or a cooker of the cooking device through the connecting piece;

the temperature measurement component is arranged on the knob main body and is used for detecting the temperature of the control panel or the cookware connected with the knob main body.

2. The knob device according to claim 1,

the temperature measurement component comprises:

the temperature sensor is used for detecting the temperature of the control panel or the cooker;

and the control circuit is connected with the temperature sensor and is used for acquiring temperature data detected by the temperature sensor.

3. The knob device according to claim 2,

the temperature measurement component further comprises:

and the communication module is connected with the control circuit and is configured to establish communication connection with the control panel so as to send the temperature data to the control panel.

4. The knob device according to claim 2,

the temperature measurement component further comprises:

the heat conducting piece is arranged on one side of the knob body and is in contact with the temperature sensor, and the control panel is in heat conduction with the temperature sensor or the cooker is in heat conduction with the temperature sensor.

5. The knob device according to claim 1,

the connecting piece includes first magnetism spare, be provided with second magnetism spare in the control panel, the knob main part is through the magnetic adsorption of first magnetism spare with second magnetism spare is fixed in on the control panel.

6. The knob device according to claim 1,

the knob main part includes fixed part and rotation portion, the connecting piece set up in the fixed part, so that the fixed part passes through the connecting piece with control panel or pan can dismantle the connection, the rotation portion is connected the fixed part, and be disposed in can for the fixed part rotates, in order to realize the rotation operation.

7. The knob device according to claim 6,

the knob device further includes:

an induction circuit comprising at least two switches configured to be switched on and off sequentially in response to rotation of the rotating portion;

and the control circuit is connected with the at least two switches and used for determining the rotating direction of the rotating part according to the on-off sequence of the at least two switches so as to generate a corresponding knob control signal.

8. The knob device according to claim 7,

the knob sensing circuit includes:

a first resistor, a first end of which inputs a power supply signal;

a first switch, a first end of which is connected with a second end of the first resistor, and a second end of which is grounded;

a second resistor, a first end of which inputs a power supply signal;

a first end of the second switch is connected with a second end of the second resistor, and a second end of the second switch is grounded;

the control circuit is connected to the first end of the first switch and the first end of the second switch.

9. The knob device according to claim 1,

the knob device also comprises a first sensing piece which is arranged on the side edge of the knob main body and rotates around the central shaft of the knob main body along with the rotation of the knob main body;

the control panel is internally provided with a plurality of second induction pieces, and the first induction piece responds to the rotation operation of the knob main body to generate induction with at least one second induction piece in the plurality of second induction pieces, so that the control panel is operated.

10. The knob device according to claim 9,

11. The knob device according to claim 9,

12. A cooking device comprising a control panel and a knob device, wherein the knob device is according to any one of claims 1-11.