CN112336164B - Knob assembly and cooking utensil - Google Patents
Knob assembly and cooking utensil Download PDFInfo
- Publication number
- CN112336164B CN112336164B CN201910735708.4A CN201910735708A CN112336164B CN 112336164 B CN112336164 B CN 112336164B CN 201910735708 A CN201910735708 A CN 201910735708A CN 112336164 B CN112336164 B CN 112336164B
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- magnetic control
- control knob
- knob
- magnetic
- transceiver
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/06—Arrangement or mounting of electric heating elements
- F24C7/067—Arrangement or mounting of electric heating elements on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The present invention provides a knob assembly and a cooking appliance, wherein the knob assembly comprises: the magnetic control knob can be assembled on the magnetic part of the pot body in an adsorption way; the temperature sensor is arranged at a contact part between the magnetic control knob and the pot body, the temperature sensor is configured to detect the cooking temperature of the pot body, and data interaction can be carried out between the temperature sensor and the magnetic control knob. According to the technical scheme, the accuracy and the reliability of the cooking temperature are improved, the reliability of temperature control of the cooking appliance is further improved, and the use experience of a user is favorably improved.
Description
Technical Field
The invention relates to the technical field of cooking, in particular to a knob assembly and a cooking appliance.
Background
As one of the most commonly used cooking appliances, an induction cooker is usually provided with a thermistor or a temperature sensor mounted under a micro-crystal panel (touch panel) of the induction cooker to detect the cooking temperature of a pan body.
Because the microcrystal panel is arranged between the temperature sensor or the thermistor and the pan body, the temperature of the pan body is not directly measured, so the temperature measurement has serious hysteresis, the temperature measurement accuracy is poor, and particularly the reliability of temperature control is influenced, for example, the heating power can not be timely adjusted during cooking, or the heating can not be timely stopped during dry cooking of the pan body, so that the pan body is protected.
In addition, the key operation mode of the existing cooking utensil is generally a mechanical key or a capacitance induction touch key, but the mechanical key is easy to damage, and the capacitance touch key has no key hand feeling and is easy to operate by mistake when soup overflows.
Moreover, any discussion of the prior art throughout the specification is not an admission that the prior art is necessarily known to a person of ordinary skill in the art, and any discussion of the prior art throughout the specification is not an admission that the prior art is necessarily widely known or forms part of common general knowledge in the field.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the present invention is to provide a knob assembly.
A second aspect of the present invention is to provide a cooking appliance.
To achieve the above object, according to an embodiment of a first aspect of the present invention, there is provided a knob assembly including: the magnetic control knob can be assembled on the magnetic part of the pot body in an adsorption manner; the temperature sensor is arranged at a contact part between the magnetic control knob and the pot body, the temperature sensor is configured to detect the cooking temperature of the pot body, and data interaction can be carried out between the temperature sensor and the magnetic control knob.
In this technical scheme, adsorb the equipment through setting up magnetic control knob and magnetism portion, and the region of magnetic control knob and pot body contact is equipped with temperature sensor, and temperature sensor can direct contact detect the culinary art temperature of the pot body, has not only improved reliability, accuracy and the promptness that detects the culinary art temperature, has also improved reliability and the culinary art taste that carries out heating power regulation based on the culinary art temperature.
Wherein, because can adsorb the equipment between the magnetism portion of magnetic control knob and the pot body, consequently, the magnetic control knob can be dismantled the equipment conveniently, can not influence the cleanness of the pot body, or increase the overall arrangement area of stone or metal plate for standing a stove on as a precaution against fire, wherein, heating module group locates inside the stone or metal plate for standing a stove on as a precaution against fire.
Specifically, the magnetic control knob can transmit the directly detected cooking temperature to the heating module according to a period or a designated time interval, the heating module adjusts the heating power according to the cooking temperature, for the induction cooker, the heating module generally comprises a magnetic induction coil and a coil driving circuit, and the coil driving circuit adjusts the heating power of the magnetic induction coil after receiving the cooking temperature.
The knob assembly according to the present invention may further have the following technical features:
in the above technical solution, optionally, the knob assembly further includes: wireless communication module, wireless communication module are configured to carry out the data interaction between magnetic control knob and the heating module, and the heating module is configured to heat the pot body, and wireless communication module includes: the cooking system comprises a first transceiver and a second transceiver, wherein the first transceiver and the second transceiver can perform data interaction, the first transceiver is integrated on a magnetic control knob, the second transceiver is electrically connected with a heating module, the magnetic control knob sends cooking temperature or a touch instruction of a user to the second transceiver through the first transceiver, and the heating module feeds cooking state parameters back to the first transceiver through the second transceiver.
In this technical scheme, through setting up first transceiver integration on the magnetic control knob, the second transceiver is connected with the heating module electricity, and first transceiver can carry out data interaction with the second transceiver, can not only improve the timeliness and the reliability that cook temperature detected, has also simplified the complexity of circuit board wiring.
Specifically, the Wireless communication module may implement data interaction based on communication means such as bluetooth, Wi-Fi (Wireless Fidelity, Wireless local area network based on IEEE 802.11b standard), infrared, zigbee, and mobile cellular technologies, but is not limited thereto.
In any of the above technical solutions, optionally, the knob assembly further includes: wireless module of charging, wireless module of charging is configured to charge to magnetic control knob and/or temperature sensor, and wireless module of charging includes: the wireless power supply device comprises a charging receiving part and a transmitting part, wherein the transmitting part can transmit wireless wave energy to the receiving part, the receiving part is arranged on the magnetic control knob, the transmitting part is connected to a power supply module of the knob assembly, and the transmitting part is configured to be capable of storing electric quantity or releasing electric quantity.
In this technical scheme, through setting up wireless module that charges, simplified and carried out the scheme that the electric quantity supplyed to the magnetic control knob, also provide the required electric quantity of magnetic control knob work through wireless charging mode, further promoted the convenient degree of user operation and used experience.
Optionally, the receiving part and the transmitting part can be coupled with each other through magnetic attraction, or the assembling and the aligning can be realized through a mechanical limiting mode.
Alternatively, the radio wave energy is generated by electromagnetic induction, magnetic resonance, or resonance, wherein the electromagnetic induction is based on electromagnetic field to realize electric energy transfer, the magnetic resonance is characterized by high Q value and long transmission distance, and the resonance is to convert pulse signals (such as bluetooth, Wi-Fi, infrared, zigbee, mobile cellular technology, and the like, but not limited thereto) transmitted in space into electric energy.
In any of the above technical solutions, optionally, the knob assembly further includes: the prompting module is arranged on the magnetic control knob and is electrically connected with the temperature sensor and the first transceiver, the prompting module is configured to display a cooking function, cooking state parameters and/or cooking temperature, the prompting module is further configured to display a touch key, and the touch key is configured to receive a touch instruction.
In this technical scheme, through set up the suggestion module on the magnetic control knob, on the one hand, the magnetic control knob can in time give the user with culinary art temperature and/or culinary art state parameter suggestion, and on the other hand, the user also can send touch instruction through the suggestion module.
Optionally, the prompting module includes at least one of a display, a speaker, an indicator light, and a communication module, but is not limited thereto.
Alternatively, the cooking function may include, but is not limited to, braising, cooking porridge, cooking soup, boiling water, chafing dish, keeping warm, keeping fresh, cooking, frying, and the like.
In any of the above technical solutions, optionally, the knob assembly further includes: and the timer is arranged on the magnetic control knob, is connected to the temperature sensor and the first transceiver and is configured to generate detection time corresponding to the cooking temperature and determine feedback time of the cooking state parameters.
In the technical scheme, the timer is arranged on the magnetic control knob and is configured to generate the detection time corresponding to the cooking temperature, and the timer is also configured to determine the feedback time of the cooking state parameters, so that the timeliness of the detection of the cooking temperature can be guaranteed, the time synchronization with the heating module is realized, and the reduction of the conflict of the data interaction process is facilitated.
In any of the above technical solutions, optionally, the knob assembly further includes: the geomagnetic sensor is arranged on the magnetic control knob and is configured to detect the change of the geomagnetic field signal and determine the rotation angle according to the change of the geomagnetic field signal.
In this technical scheme, through set up geomagnetic sensor on the magnetic control knob to confirm rotation angle through the change that detects geomagnetic field signal, need not place at magnetic control knob and set up other mechanical structure cooperations between the position, simplified cooking utensil's structural complexity, furtherly, the magnetic control knob need not place and place the position at the magnetic control knob and can advance heating power's regulation, is favorable to reducing the complexity of design cost and user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: and the electromagnetic encoder is arranged on the magnetic control knob and is connected to the first transceiver, and the electromagnetic encoder is configured to detect the rotating angle and convert the rotating angle into a coded pulse signal which can be identified by the heating module.
In this technical scheme, through set up electromagnetic encoder on the magnetic control knob, with detection rotation angle, and convert rotation angle into the coded pulse signal that can be discerned by the heating module, need not place at magnetic control knob and set up other mechanical structure cooperations between the position, simplified cooking utensil's structural complexity, furtherly, the magnetic control knob need not be placed and place the regulation that the position can advance heating power at the magnetic control knob, is favorable to reducing the complexity of design cost and user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: the Hall sensor is arranged on the magnetic control knob and connected to the first transceiver, and the Hall sensor is configured to detect the rotating angle and convert the rotating angle into a current signal which can be identified by the heating module.
In this technical scheme, through set up hall sensor on the magnetic control knob, with detection rotation angle, and convert rotation angle into the current signal that can be discerned by the heating module, need not place at magnetic control knob and set up other mechanical structure cooperations between the position, simplified cooking utensil's structure complexity, furtherly, the magnetic control knob need not be placed and place the regulation that the position can advance heating power at the magnetic control knob, is favorable to reducing the complexity of design cost and user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: the infrared geminate transistors are arranged on the magnetic control knob and connected to the first transceiver, the magnetic control knob rotates, the infrared geminate transistors convert the rotation into corresponding infrared radiation signals, and the infrared radiation signals can be identified as rotation angles by the heating module.
In this technical scheme, through set up infrared geminate transistors on the magnetic control knob to convert the rotary motion into the infrared radiation signal that corresponds, the infrared radiation signal can be discerned as the rotation angle by the heating module, need not place at magnetic control knob and set up other mechanical structure cooperations between the position, cooking utensil's structure complexity has been simplified, furthermore, the magnetic control knob need not be placed and put the regulation that the position can advance heating power at the magnetic control knob, be favorable to reducing the complexity of design cost and user operation.
According to an embodiment of the second invention of the present invention, there is provided a cooking appliance including: the pot body is provided with a magnetic part; a heating module configured to heat the pan body; according to the knob assembly of any one technical scheme, the knob assembly can be assembled with the magnetic part in an adsorption mode to detect the cooking temperature of the pot body, and the knob assembly can perform data interaction with the heating module.
In this technical scheme, adsorb the equipment through setting up magnetic control knob and magnetism portion, and the magnetic control knob is equipped with temperature sensor with the region of pot body contact, on the one hand, temperature sensor can the direct contact detect the culinary art temperature of the pot body, not only improved the reliability that detects the culinary art temperature, accuracy and timeliness, also improved the reliability and the culinary art taste that carry out heating power regulation based on the culinary art temperature, on the other hand, the rotation angle of magnetic control knob can be used for adjusting the heating power of heating module, and then be favorable to promoting flexibility and the convenient degree of adjusting heating power.
In any of the above technical solutions, optionally, the heating module includes a magnetic induction coil, a coil driving circuit, and a touch panel, a magnetic control switch is disposed at the bottom of the magnetic control knob, the touch panel is configured to place the pot body, a magnetic control knob placing position is further disposed on the touch panel, when the magnetic control knob is assembled at the magnetic control knob placing position, the magnetic control switch can be coupled to the coil driving circuit, and the magnetic control switch adjusts the heating power output by the magnetic induction coil according to the rotation angle of the magnetic control knob.
In this technical scheme, include the magnetic induction coil through setting up the heating module, coil drive circuit and touch panel, and set up the magnetic control knob on the magnetic control panel and place the position, the magnetic control knob is placed and can be with coil drive circuit coupling connection when placing the position in the magnetic control knob, at this moment, the user adjusts the heating power of magnetic induction coil through rotatory magnetic control knob, in addition, rotatory magnetic control knob also can be used repeatedly in the selection of cooking the function, the user need not to send the touch instruction through pressing touch panel, not only be favorable to promoting user's operation and feel, also be favorable to reducing the probability of spurious triggering, wherein, touch panel's primary action is that the instruction pot body is placed the region.
In any of the above solutions, optionally, the magnetic induction coil includes at least one electromagnetic coil, or a plurality of concentrically distributed electromagnetic coils, or a plurality of arrayed electromagnetic coils.
In this technical scheme, including at least one solenoid through setting up the magnetic induction coil, or a plurality of concentric distribution's solenoid, the last suggestion sign of placing the pot body that needs to set up of touch panel, suggestion sign and solenoid correspond the setting in the plumb line direction, optionally, also can adopt the mode of array distribution's solenoid, after detecting pan position and material, set for the solenoid's of corresponding position heating power, be favorable to reducing the culinary art consumption.
In any of the above technical solutions, optionally, the magnetic portion is disposed on an outer side wall, an inner side wall, or an upper cover of the pot body, wherein the magnetic portion is a limiting groove or a limiting protrusion having a shape matching with that of the magnetic control knob.
In this technical scheme, through locating the outside portion of the pot body with magnetism portion, not only the user of being convenient for places the magnetic control knob, and the user of also being convenient for looks over culinary art state parameter, or through the magnetic control knob input touch instruction, optionally, also can locate the inside wall with the magnetic control knob, or locate the upper cover with the magnetic control knob.
In any of the above technical solutions, optionally, the pot body is a ferromagnetic pot body, and the magnetic part is a designated area on the pot body, wherein the designated area is generally selected as an arbitrary area that does not affect the heating of the pot body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic block diagram of a cooking appliance of an embodiment of the present invention;
fig. 2 shows a schematic block diagram of a cooking appliance of another embodiment of the present invention;
fig. 3 shows a schematic block diagram of a cooking appliance of a further embodiment of the present invention;
fig. 4 shows a schematic block diagram of a cooking appliance of a further embodiment of the present invention;
fig. 5 shows a schematic block diagram of a cooking appliance of a further embodiment of the present invention.
Wherein, the corresponding relation between the structure of the cooking utensil and the mark is as follows:
the cooking device 100, the pot body 102, the stove pan 104, the magnetic induction coil 1042, the coil driving circuit 1044, the magnetron knob placement position 1046, the second transceiver 1048, the magnetron knob 106, the first transceiver 1062, the receiving part 1064, the timer 1066, the prompt module 1068, the battery module 10610, the temperature sensor 10612, the MCU 10614, the magnetron switch 10616, the geomagnetic sensor 10618, and the upper cover 108.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A cooking appliance defined in an embodiment of the present invention will be specifically described with reference to fig. 1 to 5.
The first embodiment is as follows:
as shown in fig. 1 and 2, a knob assembly according to an embodiment of the present invention includes: a magnetic control knob 106, wherein the magnetic control knob 106 can be assembled on the magnetic part of the pan body 102 in an absorption manner; a temperature sensor 10612 disposed at a contact portion between the magnetron knob 106 and the pan body 102, wherein the temperature sensor 10612 is configured to detect a cooking temperature of the pan body 102, and data interaction can be performed between the temperature sensor 10612 and the magnetron knob 106.
In this technical scheme, through setting up magnetic control knob 106 and the equipment of magnetism portion absorption, and the region of magnetic control knob 106 and pot body 102 contact is equipped with temperature sensor 10612, and temperature sensor 10612 can direct contact detect the culinary art temperature of pot body 102, has not only improved reliability, accuracy and the promptness that detects the culinary art temperature, has also improved reliability and the culinary art taste based on the culinary art temperature carries out heating power and adjusts.
Wherein, because the magnetic control knob 106 and the magnetic part of the pan body 102 can be assembled in an absorption manner, the magnetic control knob 106 can be conveniently disassembled and assembled, the cleaning of the pan body 102 cannot be influenced, or the layout area of the furnace plate 104 is increased, wherein the heating module is arranged inside the furnace plate 104.
Specifically, the magnetic control knob 106 may transmit the directly detected cooking temperature to the heating module at a periodic or designated time interval, and the heating module adjusts the heating power according to the cooking temperature, for the induction cooker, the heating module generally includes a magnetic induction coil 1042 and a coil driving circuit 1044, and the coil driving circuit 1044 adjusts the heating power of the magnetic induction coil 1042 after receiving the cooking temperature.
The knob assembly according to the present invention may further have the following technical features:
in the above technical solution, optionally, the knob assembly further includes: a wireless communication module configured to perform data interaction between the magnetic control knob 106 and the heating module, the heating module configured to heat the pan body 102, the wireless communication module comprising: the cooking device comprises a first transceiver 1062 and a second transceiver 1048, the first transceiver 1062 and the second transceiver 1048 can perform data interaction, the first transceiver 1062 is integrated on the magnetron knob 106, the second transceiver 1048 is electrically connected with the heating module, wherein the magnetron knob 106 sends the cooking temperature or a touch instruction of a user to the second transceiver 1048 through the first transceiver 1062, and the heating module feeds back the cooking state parameter to the first transceiver 1062 through the second transceiver 1048.
In this technical scheme, through setting up first transceiver 1062 and integrating on magnetic control knob 106, second transceiver 1048 is connected with the heating module electricity, and first transceiver 1062 and second transceiver 1048 can carry out data interaction, can not only improve the timeliness and the reliability that the culinary art temperature detected, has also simplified the complexity of circuit board wiring.
Specifically, the Wireless communication module may implement data interaction based on communication means such as bluetooth, Wi-Fi (Wireless Fidelity, Wireless local area network based on IEEE 802.11b standard), infrared, zigbee, and mobile cellular technologies, but is not limited thereto.
In any of the above technical solutions, optionally, the knob assembly further includes: a wireless charging module configured to charge the magnetic control knob 106 and/or the temperature sensor 10612, the wireless charging module comprising: a charging receiving part 1064 and a transmitting part, the transmitting part being capable of transmitting the radio wave energy to the receiving part 1064, wherein the receiving part 1064 is disposed on the magnetron knob 106, the transmitting part is connected to a power supply module of the knob assembly of the cooking appliance 100, and the transmitting part is configured to be capable of storing electric quantity or releasing electric quantity.
In this technical scheme, through setting up wireless charging module, simplified the scheme that carries out the electric quantity to magnetic control knob 106 and supply the required electric quantity of magnetic control knob 106 work through wireless charging mode also, further promoted the convenient degree of user operation and used experience.
Optionally, the receiving part 1064 and the emitting part may be coupled to each other by magnetic attraction, or may be aligned by mechanical limiting.
Alternatively, the radio wave energy is generated by electromagnetic induction, magnetic resonance, or resonance, wherein the electromagnetic induction is based on electromagnetic field to realize electric energy transfer, the magnetic resonance is characterized by high Q value and long transmission distance, and the resonance is to convert pulse signals (such as bluetooth, Wi-Fi, infrared, zigbee, mobile cellular technology, and the like, but not limited thereto) transmitted in space into electric energy.
In any of the above technical solutions, optionally, the knob assembly further includes: the prompt module 1068 is disposed on the magnetron knob 106, the prompt module 1068 is electrically connected to the temperature sensor 10612 and the first transceiver 1062, and the prompt module 1068 is configured to display a cooking function, a cooking state parameter, and/or a cooking temperature, wherein the prompt module 1068 is further configured to display a touch key, and the touch key is configured to receive a touch instruction.
In this technical scheme, through set up suggestion module 1068 on magnetic control knob 106, on the one hand, magnetic control knob 106 can in time give the user with the suggestion of culinary art temperature and/or culinary art state parameter, and on the other hand, the user also can send out touch instruction through suggestion module 1068.
Optionally, the prompt module 1068 includes at least one of a display, a speaker, an indicator light, and a communication module, but is not limited thereto.
Alternatively, the cooking function may include, but is not limited to, braising, cooking porridge, cooking soup, boiling water, chafing dish, keeping warm, keeping fresh, cooking, frying, and the like.
As shown in fig. 3, the content displayed on the prompt module 1068 at least includes: "heating power: 1000W "," remaining time: 10 minutes "," charge remaining: 90% "," start up "," shut down "," reserve "," chafing dish "," cooking "and" boiling water ", etc.
In any of the above technical solutions, optionally, the knob assembly further includes: a timer 1066 disposed on the magnetron knob 106, wherein the timer 1066 is connected to the temperature sensor 10612 and the first transceiver 1062, the timer 1066 is configured to generate a detection time corresponding to the cooking temperature, and the timer 1066 is further configured to determine a feedback time of the cooking state parameter.
In the technical scheme, the timer 1066 is arranged on the magnetic control knob 106, the timer 1066 is configured to generate detection time corresponding to the cooking temperature, and the timer 1066 is further configured to determine feedback time of the cooking state parameter, so that not only timeliness of detecting the cooking temperature can be ensured, but also time synchronization with the heating module is realized, and collision in a data interaction process is favorably reduced.
In any of the above technical solutions, optionally, the knob assembly further includes: and a geomagnetic sensor 10618 provided on the magnetron knob 106, wherein the geomagnetic sensor 10618 is configured to detect a change in a geomagnetic field signal and determine a rotation angle according to the change in the geomagnetic field signal.
In this technical solution, the geomagnetic sensor 10618 is disposed on the magnetic control knob 106 to determine the rotation angle by detecting the change of the geomagnetic field signal, and there is no need to set other mechanical structure cooperation between the magnetic control knob 106 and the magnetic control knob placement position 1046, which simplifies the structural complexity of the cooking appliance 100, and further, the magnetic control knob 106 does not need to be placed at the magnetic control knob placement position 1046, which facilitates to reduce the design cost and the complexity of user operation, and to reduce the design cost and the complexity of user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: and an electromagnetic encoder (not shown) disposed on the magnetic control knob 106 and connected to the first transceiver, wherein the electromagnetic encoder is configured to detect the rotation angle and convert the rotation angle into a coded pulse signal that can be recognized by the heating module.
In this technical scheme, through set up electromagnetic coding ware on magnetic control knob 106, with detection rotation angle, and convert rotation angle into the coded pulse signal that can be discerned by the heating module, need not place at magnetic control knob 106 and magnetic control knob and set up other mechanical structure cooperations between the position 1046, the structure complexity of cooking utensil 100 has been simplified, furthermore, magnetic control knob 106 need not place and place the regulation that the position 1046 can further heating power at the magnetic control knob, be favorable to reducing the complexity of design cost and user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: and a hall sensor (not shown in the figure) disposed on the magnetic control knob 106 and connected to the first transceiver, the hall sensor being configured to detect a rotation angle and convert the rotation angle into a current signal that can be recognized by the heating module.
In this technical scheme, through set up hall sensor on magnetic control knob 106, with detection rotation angle, and convert rotation angle into the electric current signal that can be discerned by the heating module, need not place at magnetic control knob 106 and magnetic control knob and set up other mechanical structure cooperations between the position 1046, the structure complexity of cooking utensil 100 has been simplified, furthermore, magnetic control knob 106 need not place and place the regulation that the position 1046 can further heating power at the magnetic control knob, be favorable to reducing the complexity of design cost and user operation.
In any of the above technical solutions, optionally, the knob assembly further includes: the infrared pair transistors (not shown in the figure) are arranged on the magnetic control knob 106 and connected to the first transceiver, the magnetic control knob 106 rotates, the infrared pair transistors convert the rotation into corresponding infrared radiation signals, and the infrared radiation signals can be identified as rotation angles by the heating module.
In this technical scheme, through set up infrared geminate transistors on magnetic control knob 106, in order to convert the rotary motion into corresponding infrared radiation signal, infrared radiation signal can be discerned as the rotation angle by the heating module, need not place at magnetic control knob 106 and magnetic control knob and set up other mechanical structure cooperations between the position 1046, the structure complexity of cooking utensil 100 has been simplified, furthermore, magnetic control knob 106 need not place and place the position 1046 at the magnetic control knob and can further heat power's regulation, be favorable to reducing the complexity of design cost and user operation.
Example two:
the oven panel 104 is provided with a position for placing the magnetic control knob 106, namely a magnetic control knob placing position 1046, the magnetic control knob 106 is placed at the magnetic control knob placing position 1046, and the power is adjusted by rotating the magnetic control knob 106.
The prompt module 1068 of the magnetic control knob 106 can display: heating power, remaining time, electric quantity remaining, starting, shutting down, reserving, chafing dish, cooking and boiling water, but not limited to, the simplification of the touch panel is realized.
After the user touches and starts the cooking machine on the magnetic control knob 106 and sets the cooking function and the target heating power, the magnetic control knob 106 is placed on the magnetic part of the pot body 102 for temperature measurement and control.
The functions of starting up and shutting down can also be placed on the touch panel, and the magnetic control knob 106 provides the functions of power regulation, temperature measurement and the like.
Example three:
as shown in fig. 4, a receiving part 1064 is provided in the magnetic control knob 106, and is coupled with a transmitting part on the stove plate 104, so as to implement a wireless charging function.
When the magnetic control knob 106 is placed at the magnetic control knob placement position 1046, wireless charging can be performed simultaneously, and after the wireless charging is completed, the prompt module 1068 of the magnetic control knob 106 prompts the user that the wireless charging is completed.
After the wireless charging is completed, and the user completes the setting of the heating power, the user is reminded to place the knob at the temperature measuring part.
When the magnetic control knob 106 is placed at the magnetic control knob placement position 1046, the wireless communication module stops transmitting and receiving data instructions, and when the user rotates the magnetic control knob 106, the oven panel 104 adjusts the heating power of the magnetic induction coil 1042 by detecting the magnetic control knob 106 signal transmitted between the magnetic control switch 10616 and the coil driving circuit 1044. Meanwhile, wireless charging can be realized between the receiving part 1064 and the transmitting part in a radio frequency manner, that is, charging can be performed on a rechargeable battery (such as a lithium battery) of the magnetic control knob 106.
After the heating power is adjusted, the magnetic control knob 106 is placed on the magnetic part of the pan body 102, and the magnet at the bottom of the magnetic control knob 106 can attract the magnetic part of the pan body 102.
The bottom of the magnetic control knob 106 in contact with the pan body 102 is equipped with a temperature sensor 10612, which detects the cooking temperature by directly contacting the pan body 102, and the cooking temperature can also be used to determine the temperature of the food in the pan.
The magnetic control knob 106 sends the electrical signal corresponding to the cooking temperature to the MCU 10614 for processing, and then the electrical signal is sent to the second transceiver 1048 through the first transceiver 1062, and the second transceiver 1048 transmits the cooking temperature to the coil driving circuit 1044, so as to adjust the heating power of the magnetic induction coil 1042.
The prompt module 1068 of the magnetic control knob 106 can display the current cooking temperature and heating power, so that the user can know the current cooking state more intuitively.
Example four:
as shown in fig. 5, a battery module 10610 is disposed in the magnetic control knob 106, and the battery module 10610 includes a space for placing a battery and a battery management module to control electromagnetic power supply.
When the magnetic control knob 106 is placed at the magnetic control knob placement position 1046, the wireless communication module stops transmitting and receiving data instructions, and when the user rotates the magnetic control knob 106, the oven panel 104 adjusts the heating power of the magnetic induction coil 1042 by detecting the magnetic control knob 106 signal transmitted between the magnetic control switch 10616 and the coil driving circuit 1044.
After the heating power is adjusted, the magnetic control knob 106 is placed on the magnetic part of the pan body 102, and the magnet at the bottom of the magnetic control knob 106 can attract the magnetic part of the pan body 102.
The bottom of the magnetic control knob 106 in contact with the pan body 102 is equipped with a temperature sensor 10612, which detects the cooking temperature by directly contacting the pan body 102, and the cooking temperature can also be used to determine the temperature of the food in the pan.
The magnetic control knob 106 sends the electrical signal corresponding to the cooking temperature to the MCU 10614 for processing, and then the electrical signal is sent to the second transceiver 1048 through the first transceiver 1062, and the second transceiver 1048 transmits the cooking temperature to the coil driving circuit 1044, so as to adjust the heating power of the magnetic induction coil 1042.
The prompt module 1068 of the magnetic control knob 106 can display the current cooking temperature and heating power, so that the user can know the current cooking state more intuitively.
Example five:
the receiving part 1064 is provided in the magnetic control knob 106, and is coupled with the transmitting part on the oven tray 104, thereby realizing a wireless charging function.
When the magnetic control knob 106 is placed at the magnetic control knob placement position 1046, wireless charging can be performed simultaneously, and after the wireless charging is completed, the prompt module 1068 of the magnetic control knob 106 prompts the user that the wireless charging is completed.
After the wireless charging is completed, and the user completes the setting of the heating power, the user is reminded to place the knob at the temperature measuring part.
When the magnetic control knob 106 is placed at the magnetic control knob placement position 1046, the wireless communication module stops transmitting and receiving data instructions, and when the user rotates the magnetic control knob 106, the oven tray 104 adjusts the heating power of the magnetic induction coil 1042 by detecting the magnetic control knob 106 signal transmitted between the magnetic control switch 10616 and the coil driving circuit 1044.
At this time, the MCU 10614 determines the current state of the magnetic control knob 106 by reading the sampling data of the geomagnetic sensor, that is, by determining the information such as the rotation direction and the rotation angle of the magnetic control knob 106, the target heating power set by the user through the magnetic control knob 106 is determined, and the heating module of the stove plate 104 heats the pot 102 according to the target heating power.
Meanwhile, wireless charging can be realized between the receiving part 1064 and the transmitting part in a radio frequency manner, that is, charging can be performed on a rechargeable battery (such as a lithium battery) of the magnetic control knob 106.
After the heating power is adjusted, the magnetic control knob 106 is placed on the magnetic part of the pan body 102, and the magnet at the bottom of the magnetic control knob 106 can attract the magnetic part of the pan body 102.
The bottom of the magnetic control knob 106 in contact with the pan body 102 is equipped with a temperature sensor 10612, which detects the cooking temperature by directly contacting the pan body 102, and the cooking temperature can also be used to determine the temperature of the food in the pan.
The magnetron knob 106 sends the electrical signal corresponding to the cooking temperature to the MCU 10614 for processing, and then the electrical signal is sent to the second transceiver 1048 through the first transceiver 1062, and the second transceiver 1048 transmits the cooking temperature to the coil driving circuit 1044, so as to adjust the heating power of the magnetic induction coil 1042.
In addition, the suggestion module 1068 of the magnetic control knob 106 can display the current cooking temperature and heating power, so that the user can know the current cooking state more intuitively.
The control device of the heating module may be the MCU (micro control unit) 10614, or may also be a CPU (central processing unit), a digital signal processing chip, a single chip, an embedded device, or the like, but is not limited thereto.
Example six:
there is also provided a cooking appliance 100 according to an embodiment of the present invention, including: a pan body 102, wherein a magnetic part is arranged on the pan body 102; a heating module configured to heat pan body 102; according to the knob assembly of any one of the above technical solutions, the knob assembly can be assembled with the magnetic part in an adsorbing manner to detect the cooking temperature of the pot body 102, wherein the knob assembly can perform data interaction with the heating module.
In this technical scheme, adsorb the equipment through setting up magnetic control knob 106 and magnetism portion, and the region of magnetic control knob 106 and pot body 102 contact is equipped with temperature sensor 10612, on the one hand, temperature sensor 10612 can the direct contact detect the culinary art temperature of pot body 102, not only improved the reliability that detects the culinary art temperature, accuracy and timeliness, also improved reliability and the culinary art taste that carries out heating power regulation based on the culinary art temperature, on the other hand, the rotation angle of magnetic control knob 106 can be used for adjusting the heating power of heating module, and then be favorable to promoting flexibility and the convenient degree of adjusting heating power.
In any of the above technical solutions, optionally, the heating module includes a magnetic induction coil 1042, a coil driving circuit 1044, and a touch panel, a magnetic control switch 10616 is disposed at the bottom of the magnetic control knob 106, the touch panel is configured to place the pan body 102, a magnetic control knob placing position 1046 is further disposed on the touch panel, when the magnetic control knob 106 is assembled at the magnetic control knob placing position 1046, the magnetic control switch 10616 can be coupled with the coil driving circuit 1044, and the magnetic control switch 10616 adjusts the heating power output by the magnetic induction coil 1042 according to a rotation angle of the magnetic control knob 106.
In this technical scheme, include magnetism induction coil 1042, coil drive circuit 1044 and touch panel through setting up the heating module, and set up magnetism control knob on the magnetism control panel and place position 1046, when magnetism control knob 106 was placed in magnetism control knob and place position 1046, can be with coil drive circuit 1044 coupling connection promptly, at this moment, on the one hand, the user adjusts the heating power of magnetism induction coil 1042 through rotatory magnetism control knob 106, on the other hand, magnetism induction coil 1042 can carry out wireless charging to the knob subassembly, in addition, rotatory magnetism control knob 106 also can be used to the selection of cooking function repeatedly, the user need not to send the touch-control instruction through pressing touch panel, not only be favorable to promoting user's operation and feel, also be favorable to reducing the probability of spurious triggering, wherein, touch panel's main effect is that the instruction pot body 102 places the region.
In any of the above solutions, optionally, the magnetic induction coil 1042 includes at least one electromagnetic coil, or a plurality of concentrically distributed electromagnetic coils, or a plurality of arrayed electromagnetic coils.
In this technical solution, by setting the magnetic induction coil 1042 to include at least one electromagnetic coil or a plurality of concentrically distributed electromagnetic coils, a prompt identifier for placing the pot body 102 needs to be set on the touch panel, and the prompt identifier and the electromagnetic coils are correspondingly set in the direction of the plumb line, optionally, the electromagnetic coils distributed in an array may also be used, and after the position and material of the pot are detected, the heating power of the electromagnetic coils in the corresponding positions is set, which is beneficial to reducing the cooking power consumption.
In any of the above technical solutions, optionally, the magnetic part is disposed on an outer side wall, an inner side wall, or the upper cover 108 of the pot body 102, wherein the magnetic part is a limit groove or a limit protrusion whose shape matches the shape of the magnetic control knob 106, or the magnetic part is a planar magnetic region on the pot body.
In this technical scheme, through locating the outside portion of pot body 102 with magnetic part, not only be convenient for the user to place magnetic control knob 106, also be convenient for the user to look over culinary art state parameter, or through magnetic control knob 106 input touch instruction, optionally, also can locate the inside wall with magnetic control knob 106, or locate magnetic control knob 106 on upper cover 108.
In any of the above embodiments, optionally, pan body 102 is a ferromagnetic pan body 102, and the magnetic portion is a designated area on pan body 102, wherein the designated area is generally selected to be any area that does not affect heating of pan body 102.
The technical scheme of the invention is explained in detail by combining the drawings, and the invention provides the knob assembly and the cooking appliance.
The steps in the method of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The units in the device of the invention can be merged, divided and deleted according to actual needs.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A knob assembly, for use with a cooking appliance, the cooking appliance comprising: the heating module comprises a magnetic induction coil, a coil driving circuit and a touch panel, a magnetic control knob placing position is arranged on the touch panel, the knob component can be coupled with the coil driving circuit when placed at the magnetic control knob placing position, and the magnetic induction coil is also used for wirelessly charging the knob component;
the knob assembly includes:
the magnetic control knob can be assembled on the magnetic part of the pot body in an adsorption manner;
the temperature sensor is arranged at a contact part between the magnetic control knob and the pot body, the temperature sensor is configured to detect the cooking temperature of the pot body, and data interaction can be carried out between the temperature sensor and the magnetic control knob;
a wireless communication module configured to perform data interaction between the magnetic control knob and a heating module, the wireless communication module comprising: a first transceiver;
a timer disposed on the magnetic control knob, the timer being connected to the temperature sensor and the first transceiver, the timer being configured to generate a detection time corresponding to a cooking temperature, the timer being further configured to determine a feedback time of the cooking state parameter;
the geomagnetic sensor is arranged on the magnetic control knob and connected to the first transceiver, and the geomagnetic sensor is configured to detect changes of geomagnetic field signals and determine a rotation angle according to the changes of the geomagnetic field signals.
2. The knob assembly according to claim 1,
the heating module is configured to heat the pot body, the wireless communication module further includes:
a second transceiver, the first transceiver and the second transceiver being capable of the data interaction, the first transceiver being integrated on the magnetic control knob, the second transceiver being electrically connected with the heating module,
the magnetic control knob sends the cooking temperature or a touch instruction of a user to the second transceiver through the first transceiver, and the heating module feeds cooking state parameters back to the first transceiver through the second transceiver.
3. The knob assembly according to claim 1 or 2, further comprising:
a wireless charging module configured to charge the magnetic control knob and/or the temperature sensor, the wireless charging module comprising:
a receiving part and a transmitting part, the transmitting part being capable of transmitting radio wave energy to the receiving part,
the receiving part is arranged on the magnetic control knob, the transmitting part is connected to a power supply module of the knob assembly, and the transmitting part is configured to be capable of storing electric quantity or releasing electric quantity.
4. The knob assembly according to claim 2, further comprising:
a prompt module disposed on the magnetic control knob, the prompt module electrically connected to the temperature sensor and the first transceiver, the prompt module configured to display a cooking function, the cooking state parameter, and/or the cooking temperature,
the prompt module is further configured to display a touch key, and the touch key is configured to receive the touch instruction.
5. The knob assembly according to claim 1, further comprising:
the electromagnetic encoder is arranged on the magnetic control knob and connected to the first transceiver, and the electromagnetic encoder is configured to detect the rotation angle and convert the rotation angle into a coded pulse signal which can be recognized by the heating module.
6. The knob assembly according to claim 1, further comprising:
the Hall sensor is arranged on the magnetic control knob and connected to the first transceiver, and the Hall sensor is configured to detect the rotation angle and convert the rotation angle into a current signal which can be identified by the heating module.
7. The knob assembly according to claim 1, further comprising:
the infrared pair transistors are arranged on the magnetic control knob and connected to the first transceiver, the magnetic control knob rotates, the infrared pair transistors convert the rotation into corresponding infrared radiation signals, and the infrared radiation signals can be identified as the rotation angles by the heating module.
8. A cooking appliance, comprising:
the pot body is provided with a magnetic part;
a heating module configured to heat the pan body; the heating module comprises a magnetic induction coil, a coil driving circuit and a touch panel, the magnetic induction coil comprises at least one electromagnetic coil, or a plurality of concentrically distributed electromagnetic coils, or a plurality of array distributed electromagnetic coils, a prompt identifier for placing the pot body is arranged on the touch panel, and the prompt identifier and the electromagnetic coils are correspondingly arranged in the plumb line direction;
the knob assembly according to any one of claims 1 to 7, which is attachably assembled with the magnetic part to detect a cooking temperature of the pot body,
wherein, the knob subassembly can carry out data interaction with the heating module.
9. The cooking appliance of claim 8,
the bottom of the knob component is provided with a magnetic control switch,
the touch panel is configured to place the pan body, a knob component placing position is further arranged on the touch panel, when the knob component is assembled at the knob component placing position, the magnetic control switch can be coupled with the coil driving circuit,
the magnetic control switch adjusts the heating power output by the magnetic induction coil according to the rotation angle of the knob component.
10. Cooking appliance according to claim 8 or 9,
the magnetic part is arranged on the outer side wall, the inner side wall or the upper cover of the pot body,
the magnetic part is a limiting groove or a limiting bulge, and the shape of the limiting groove or the limiting bulge is matched with that of the knob component.
11. Cooking appliance according to claim 8 or 9,
the pot body is a ferromagnetic pot body, and the magnetic part is a designated area on the pot body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735708.4A CN112336164B (en) | 2019-08-09 | 2019-08-09 | Knob assembly and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735708.4A CN112336164B (en) | 2019-08-09 | 2019-08-09 | Knob assembly and cooking utensil |
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| CN112336164B true CN112336164B (en) | 2022-09-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215127468U (en) * | 2021-04-16 | 2021-12-14 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
| CN114431733B (en) * | 2022-02-15 | 2023-08-18 | 深圳市联创三金电器有限公司 | Multifunctional chef machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201139416Y (en) * | 2008-01-15 | 2008-10-29 | 周锦新 | Electric cooker |
| CN204427623U (en) * | 2015-02-06 | 2015-07-01 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic stove |
| CN204862602U (en) * | 2015-07-24 | 2015-12-16 | 傅映霞 | Fully -automatic cooker |
| CN107726388B (en) * | 2016-08-23 | 2025-01-14 | 佛山市顺德区美的电热电器制造有限公司 | Induction cooker heating device |
| CN206273220U (en) * | 2016-09-14 | 2017-06-23 | 浙江绍兴苏泊尔生活电器有限公司 | cooker for electromagnetic oven |
| CN208463612U (en) * | 2018-02-01 | 2019-02-05 | 中山市雅乐思商住电器有限公司 | Electric cooker based on bluetooth control |
| CN108808880A (en) * | 2018-06-22 | 2018-11-13 | 广东美的厨房电器制造有限公司 | Magnetic control knob and electrical equipment |
| CN209250344U (en) * | 2018-06-22 | 2019-08-13 | 广东美的厨房电器制造有限公司 | Magnetic control knob and electrical equipment |
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