CN102306309A - Wireless identification device and method used between heating device and cooker - Google Patents
Wireless identification device and method used between heating device and cooker Download PDFInfo
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- CN102306309A CN102306309A CN201110223890A CN201110223890A CN102306309A CN 102306309 A CN102306309 A CN 102306309A CN 201110223890 A CN201110223890 A CN 201110223890A CN 201110223890 A CN201110223890 A CN 201110223890A CN 102306309 A CN102306309 A CN 102306309A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 38
- 230000006854 communication Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000005580 one pot reaction Methods 0.000 abstract description 2
- 208000030251 communication disease Diseases 0.000 abstract 1
- 238000013524 data verification Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a wireless communication technology used between an induction heating device and a cooker, and in particular relates to a wireless identification device and method between the heating device and the cooker. The wireless identification device comprises a lower wireless transmitter-receiver set in the induction heating device, an upper wireless transmitter-receiver set which is arranged in the cooker and communicated with the lower wireless transmitter-receiver set wirelessly, a DC (direct current) power supply which is used for supplying power to the upper wireless transmitter-receiver set and is arranged in the cooker and a magnetic induction device which is used for providing a trigger signal for communication between the lower wireless transmitter-receiver set in the induction heating device and the upper wireless transmitter-receiver set in the cooker. The wireless transmitter-receiver sets in the cooker and the induction heating device adopt a data verification protocol to carry out two-way wireless communication, thus one-to-one correspondence of the cooker and the induction heating device is realized and communication is established accurately and quickly, and the problems that the one-way communication disorders and the cooker can not be identified normally in the process of using multiple pots on one hearth or one pot on multiple hearths effectively are solved.
Description
Technical field
The present invention relates to the wireless communication technology between induction heating apparatus and cooker, especially a kind of wireless-identification device and recognition methods that is used between heating arrangement and cooker.
Background technology
The wireless communication technology of induction heating apparatus and cooker is used in some products, and this technology can well realize the information such as temperature of pan are reached induction heating apparatus wireless receiving end through wireless mode.Induction heating apparatus can be adjusted current heating firepower according to the wireless messages that receives, so that reach better culinary art effect.
Publication number is that the Chinese invention patent of CN101936554A has been put down in writing a kind of like this wireless temperature measuring device.It is characterized by: induction heating apparatus working coil, control circuit, at least one temperature collection circuit, signal sending circuit and signal receiving circuit.In this patent; The temperature that measures on the pan sends temperature information through pan end signal transtation mission circuit; The signal receiving circuit that is positioned at the induction heating apparatus end receives the signal that pan end signal transtation mission circuit sends, and control circuit is controlled the action of induction heating apparatus again according to the temperature information that receives.Because itself magnetic field is arranged during induction heating apparatus work, so the working environment of signal sending circuit and signal receiving circuit is more abominable, the possibility that data are interfered in transmission course is bigger, so need to guarantee reliability of data transmission, accuracy.But this application is to utilize the one-way communication mode, can not ensure the accuracy of transmission data.
Summary of the invention
The technical matters that the present invention will solve is to overcome the deficiency of prior art and provide that a kind of accuracy is high, the device that is used for wireless identification between induction heating apparatus and cooker and the recognition methods of good reliability; The present invention utilizes that two-way communication realizes the two corresponding one by one coupling and accurately sets up communication fast between the wireless transmitter of cooker and induction heating apparatus, guarantees the accuracy of transmission data.
For solving the problems of the technologies described above; First technical scheme of the present invention is: a kind of wireless-identification device that is used between heating arrangement and cooker; Comprise the following wireless transmitter that is arranged in the induction heating apparatus, be arranged in the cooker with following wireless transmitter carry out radio communication last wireless transmitter, be arranged on and be last wireless transmitter direct current power source supplying power in the cooker, and be arranged in the cooker be under wireless transmitter and last wireless transmitter communicate the magnetic-inductive device that trigger pip is provided.
Preferably; Said wireless transmitter down and last wireless transmitter are the wireless radiofrequency R-T unit; The coded message that the said radio transceiver chip of wireless transmitter is down recorded induction heating apparatus in advance, the coded message that the said radio transceiver chip of going up wireless transmitter is recorded cooker in advance.
Preferably, said wireless transmitter down and last wireless transmitter are infrared radio R-T unit or wireless radiofrequency R-T unit or bluetooth radio.
Preferably, said magnetic-inductive device and direct supply are electrically connected and are its charging.
Preferably, said magnetic-inductive device is installed in the cooker inner bottom part.
Second technical scheme of the present invention is:
A kind of wireless identification method that is used between heating arrangement and cooker may further comprise the steps:
The first step, after induction heating apparatus worked on power, the magnetic-inductive device in the cooker was that last wireless transmitter provides trigger pip, will go up wireless transmitter and from low-power consumption mode, wake the entering duty up;
In second step, carry out wireless pairing through alternating binary coding, decode procedure between the following wireless transmitter in the induction heating apparatus and the last wireless transmitter of cooker based on coded message;
In the 3rd step, use the agreement of data check to carry out radio communication between following wireless transmitter and the last wireless transmitter.
Further, the trigger pip described in the first step is level signal or frequency signal, also can be simulation trigger pip or digital trigger signal.
Further, the said wireless pairing process in second step may further comprise the steps:
(1), the last wireless transmitter of cooker sends the Frame broadcast message that a frame contains the information of cooker;
(2), the following wireless transmitter of induction heating apparatus) receive this Frame broadcast message after, return the Frame of information that a frame comprises information and the induction heating apparatus of cooker again and give last wireless transmitter;
(3), the last wireless transmitter of cooker cooker coded message and self coded message that will receive in the data compares; If it is consistent; Then send out the Frame of information that a frame comprises information and the cooker of induction heating apparatus again and give wireless transmitter down, otherwise, step (1) then returned;
(4), down wireless transmitter will receive in the data coded message and self coded message compare, if consistent, then identifying is matched in end, otherwise, then return step (1).
Further, the Frame of the last wireless transmitter transmission of said cooker comprises cooker ID coding, cooker material, cooker type.
Further, the said wireless telecommunications process in the 3rd step may further comprise the steps:
(1), the last wireless transmitter of cooker is encoded as its communication objective address the transmission data message with the ID of cooker;
(2), down wireless transmitter carries out verification to the Frame of the cooker that receives, if verification succeeds, then the induction heating apparatus control circuit carries out control corresponding according to the data that receive; Otherwise, abandon misdata, to the last wireless transmitter application retransmission data of cooker.
Compared with prior art, the present invention with respect to the beneficial effect of prior art is:
The present invention is provided with magnetic-inductive device at the cooker end, is used to produce the trigger pip that cooker end wireless transmitter and induction heating apparatus end wireless transmitter communicate.Alternating binary coding, decode procedure that pairing identification is based on coded message carry out wireless pairing.Wireless transmitter through cooker and induction heating apparatus uses the agreement of data check to carry out two-way wireless communication; Realize the corresponding one by one coupling of cooker and induction heating apparatus and accurately set up fast and communicate by letter, effectively avoided being prone in the kitchen range use one-way communication confusion, can't normally realize the problem that cooker is discerned on many pots on a kitchen range or more than one pot.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the structural representation of embodiment of the invention wireless-identification device;
Fig. 2 is the process flow diagram of embodiment of the invention wireless identification method;
Fig. 3 is the wireless pairing process flow diagram of the embodiment of the invention;
Fig. 4 is the radio communication process flow diagram of the embodiment of the invention.
Embodiment
The present invention discloses a kind of wireless-identification device that is used between heating arrangement and cooker; Comprise the following wireless transmitter 11 that is arranged in the induction heating apparatus 1, be arranged in the cooker 2 with following wireless transmitter 11 carry out radio communication last wireless transmitter 21, be arranged on and be last wireless transmitter 21 direct current power source supplying power 3 in the cooker 2, and be arranged in the cooker 2 under wireless transmitter 11 and last wireless transmitter 21 communicate the magnetic-inductive device 22 that trigger pip is provided.Magnetic-inductive device 22 can be for printing conducting wire, conduction ring, laser-induced thermal etching conducting wire, plated conductive circuit etc.Following wireless transmitter 11 can be infrared radio R-T unit or wireless radiofrequency R-T unit or bluetooth radio with last wireless transmitter 21.
Following induction heating apparatus 1 is an example with the electromagnetic oven,
In the present embodiment, the last wireless transmitter 21 and the direct supply 3 of cooker all are installed in the handle of cooker 2.Magnetic-inductive device 22 adopts magnetic induction coils, is installed in the bottom of cooker 2, and is electrically connected with direct supply 3 and is its charging; The last wireless transmitter 21 of cooker 2 and the following wireless transmitter 11 of electromagnetic oven end all adopt the radio transceiver chip based on the RF technology, and the radio transceiver chip is recorded the coded message that signal post needs in advance.
Like Fig. 2, Fig. 3, shown in Figure 4, present embodiment also provides the method for the wireless identification between a kind of electromagnetic oven and cooker, may further comprise the steps:
The first step after electromagnetic oven works on power, is installed on magnetic-inductive device 22 on the cooker 2 for the last wireless transmitter 21 of cooker provides the level triggers signal, from low-power consumption mode, wakes it up entering duty.
Second step, carry out wireless pairing through alternating binary coding, decode procedure between the following wireless transmitter 11 of electromagnetic oven end and the wireless transmitter 21 of cooker based on the ID coded message, wireless pairing process may further comprise the steps:
(1), the last wireless transmitter 21 of cooker sends the broadcast message that a frame comprises cooker ID coding, cooker material, cooker type.
This broadcast message data frame format is:
| Initial code | Frame length | Functional classification | Cooker ID | The cooker material | The cooker type | Check code | End code |
| 0XAA | 1Byte | 1Byte | 4Bytes | 4Bytes | 1Byte | 1Byte | 0XDD |
Wherein, initial code is represented the start bit of these frame data, and 0XAA also representes the sending direction of Frame, is sent out to electromagnetic oven by cooker; Frame length is meant these frame data byte number altogether; Functional classification is meant that these frame data are data of pairing identifying or course of work transmission, and identifying is matched in representative one to one like 0X01, the course of work after 0X02 representative pairing identifying is accomplished; The cooker material is meant the material type that cooker is used, and as representing 304 steel with 0X01,0X02 represents 430 steel, and 0x03 represents cast iron etc.; The cooker type is represented the classification of cooker, represents slaughterhouse like 0X01, and 0X02 represents frying pan, and 0x03 represents kettle etc.
(2), after the following wireless transmitter 11 of electromagnetic oven end receives this broadcast message, return the last wireless transmitter ID coded data of following wireless transmitter ID coding and cooker end that a frame comprises the electromagnetic oven end again to the last wireless transmitter of cooker end.Its information data frame format is:
| Initial code | Frame length | Functional classification | Source address | Destination address | The cooker material | The cooker type | Check code | End code |
| 0XBB | 1Byte | 1Byte | 4Bytes | 4Bytes | 1Bytes | 1Byte | 1Byte | 0XDD |
Wherein, 0XBB representes the sending direction of Frame, is sent out to cooker by electromagnetic oven; Source address is meant the ID coding of electromagnetic oven; Destination address is meant the ID coding of the cooker of receiving;
(3), the last wireless transmitter 21 of cooker end will receive information such as cooker ID coding included in the data, material, type and self intrinsic information compares; If it is consistent; Then sending out following wireless transmitter ID coding and the cooker ID that a frame comprises the electromagnetic oven end again encodes to the following wireless transmitter 11 of electromagnetic oven end; Otherwise, then return step (1).
(4), the following wireless transmitter 11 of the electromagnetic oven end last wireless transmitter ID coding that will receive the electromagnetic oven end in the data compares with the self ID coding, if consistent, then finishes the pairing identifying, otherwise, return step (1).
[0025] the 3rd step, use the agreement of band data check to carry out wireless telecommunications between the following wireless transmitter 11 of electromagnetic oven end and the last wireless transmitter 21 of cooker, the wireless telecommunications process may further comprise the steps:
(1), the last wireless transmitter 21 of cooker as its communication objective address, sends the data message that comprises the cooker temperature information with the ID coding of the following wireless transmitter of electromagnetic oven end.Its information data frame format is:
| Initial code | Frame length | Functional classification | Source address | Destination address | Check code | Temperature | End code |
| 0XBB | 1Byte | 1Byte | 4Bytes | 4Bytes | 1Byte | 1Byte | 0XDD |
(2), the cooker Frame that receives of 11 pairs of the following wireless transmitters of electromagnetic oven carries out verification, if verification succeeds, then the electromagnetic oven control circuit carries out control corresponding according to the temperature information that receives; Otherwise, abandon misdata, to cooker end wireless transmitter application retransmission data.
Claims (10)
1. wireless-identification device that is used between heating arrangement and cooker; It is characterized in that: comprise the following wireless transmitter (11) that is arranged in the induction heating apparatus (1), be arranged in the cooker (2) with following wireless transmitter (11) carry out radio communication last wireless transmitter (21), be arranged on and be last wireless transmitter (21) direct current power source supplying power (3) in the cooker (2), and be arranged in the cooker (2) under wireless transmitter (11) and last wireless transmitter (21) communicate the magnetic-inductive device (22) that trigger pip is provided.
2. the wireless-identification device that is used between heating arrangement and cooker according to claim 1; It is characterized in that: said wireless transmitter (11) down and last wireless transmitter (21) are the wireless radiofrequency R-T unit; The said radio transceiver chip of wireless transmitter (11) is down recorded the coded message of induction heating apparatus (1) in advance, and the said radio transceiver chip of going up wireless transmitter (21) is recorded the coded message of cooker (2) in advance.
3. the wireless-identification device that is used between heating arrangement and cooker according to claim 1 is characterized in that: said wireless transmitter (11) down and last wireless transmitter (21) are infrared radio R-T unit or wireless radiofrequency R-T unit or bluetooth radio.
4. the wireless-identification device that is used between heating arrangement and cooker according to claim 1 is characterized in that: said magnetic-inductive device (22) is electrically connected with direct supply (3) and is its charging.
5. the wireless-identification device that is used between heating arrangement and cooker according to claim 1 is characterized in that: said magnetic-inductive device (22) is installed in cooker (2) inner bottom part.
6. wireless identification method that is used between heating arrangement and cooker is characterized in that: may further comprise the steps:
The first step, after induction heating apparatus (1) worked on power, the magnetic-inductive device (22) in the cooker (2) provided trigger pip for last wireless transmitter (21), will go up wireless transmitter (21) and from low-power consumption mode, wake the entering duty up;
In second step, carry out wireless pairing through alternating binary coding, decode procedure between the following wireless transmitter (11) in the induction heating apparatus (1) and the last wireless transmitter (21) of cooker (2) based on coded message;
In the 3rd step, use the agreement of data check to carry out wireless telecommunications between following wireless transmitter (11) and the last wireless transmitter (21).
7. the wireless identification method that is used between heating arrangement and cooker according to claim 6 is characterized in that: the trigger pip described in the first step is level signal or frequency signal.
8. the wireless identification method that is used between heating arrangement and cooker according to claim 6 is characterized in that: the said wireless pairing process in second step may further comprise the steps:
(1), the last wireless transmitter (21) of cooker sends the Frame broadcast message that a frame contains the information of cooker;
(2), after the following wireless transmitter (11) of induction heating apparatus (1) receives this Frame broadcast message, return the Frame of information that a frame comprises information and the induction heating apparatus of cooker again and give last wireless transmitter (21);
(3), the last wireless transmitter (21) of cooker cooker coded message and self coded message that will receive in the data compares; If it is consistent; Then send out the Frame of information that a frame comprises information and the cooker of induction heating apparatus (1) again and give wireless transmitter (11) down; Otherwise, then return step (1);
(4), down wireless transmitter (11) will receive in the data coded message and self coded message compare, if consistent, then identifying is matched in end, otherwise, then return step (1).
9. the wireless identification method that is used between heating arrangement and cooker according to claim 8 is characterized in that: the Frame that the last wireless transmitter (21) of said cooker sends comprises cooker ID coding, cooker material, cooker type.
10. the wireless identification method that is used between heating arrangement and cooker according to claim 9 is characterized in that: the said wireless telecommunications process in the 3rd step may further comprise the steps:
(1), the last wireless transmitter (21) of cooker is encoded as its communication objective address the transmission data message with the ID of cooker;
(2), down wireless transmitter (11) carries out verification to the Frame of the cooker that receives, if verification succeeds, then the induction heating apparatus control circuit carries out control corresponding according to the data that receive; Otherwise, abandon misdata, to last wireless transmitter (21) the application retransmission data of cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223890A CN102306309A (en) | 2011-08-05 | 2011-08-05 | Wireless identification device and method used between heating device and cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110223890A CN102306309A (en) | 2011-08-05 | 2011-08-05 | Wireless identification device and method used between heating device and cooker |
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| CN102306309A true CN102306309A (en) | 2012-01-04 |
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| CN201110223890A Pending CN102306309A (en) | 2011-08-05 | 2011-08-05 | Wireless identification device and method used between heating device and cooker |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079300A (en) * | 2013-01-10 | 2013-05-01 | 九阳股份有限公司 | Pairing method for wireless temperature measuring electromagnetic heating assembly |
| CN103279042A (en) * | 2013-04-28 | 2013-09-04 | 九阳股份有限公司 | Bidirectional matching method of wireless temperature measuring electromagnetic heating component |
| CN103309832A (en) * | 2012-03-08 | 2013-09-18 | 联想(北京)有限公司 | Pairing recognition method and receiver |
| CN103960956A (en) * | 2013-01-31 | 2014-08-06 | 美的集团股份有限公司 | Cooking heating device and cooking control method |
| CN104095547A (en) * | 2013-08-16 | 2014-10-15 | 九阳股份有限公司 | Electromagnetic platform and control method based on electromagnetic platform |
| CN104427671B (en) * | 2013-09-10 | 2017-11-10 | 美的集团股份有限公司 | Electromagnetic heater, cooking equipment and its control method |
| CN107405029A (en) * | 2015-03-27 | 2017-11-28 | Seb公司 | Equipped with the culinary art managing device of the identifying system of cooking container |
| CN108731041A (en) * | 2017-04-21 | 2018-11-02 | 浙江绍兴苏泊尔生活电器有限公司 | Pot identification method, household appliance and pot |
| CN109210583A (en) * | 2018-06-15 | 2019-01-15 | 浙江绍兴苏泊尔生活电器有限公司 | Control method, control device and cooking set |
| CN109407723A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil and heating platform |
| CN109407722A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil and heating platform |
| CN109407556A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, the control method of cooking apparatus and computer installation |
| CN109407555A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil, the control method of heating platform and utensil |
| CN109407523A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform component and the control system of heating platform component |
| CN109691867A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its method for heating and controlling and device |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309832A (en) * | 2012-03-08 | 2013-09-18 | 联想(北京)有限公司 | Pairing recognition method and receiver |
| CN103309832B (en) * | 2012-03-08 | 2017-03-29 | 联想(北京)有限公司 | A kind of pairing recognition methodss and receptor |
| CN103079300A (en) * | 2013-01-10 | 2013-05-01 | 九阳股份有限公司 | Pairing method for wireless temperature measuring electromagnetic heating assembly |
| CN103079300B (en) * | 2013-01-10 | 2015-07-22 | 九阳股份有限公司 | Pairing method for wireless temperature measuring electromagnetic heating assembly |
| CN103960956A (en) * | 2013-01-31 | 2014-08-06 | 美的集团股份有限公司 | Cooking heating device and cooking control method |
| CN103279042A (en) * | 2013-04-28 | 2013-09-04 | 九阳股份有限公司 | Bidirectional matching method of wireless temperature measuring electromagnetic heating component |
| CN104095547A (en) * | 2013-08-16 | 2014-10-15 | 九阳股份有限公司 | Electromagnetic platform and control method based on electromagnetic platform |
| CN104427671B (en) * | 2013-09-10 | 2017-11-10 | 美的集团股份有限公司 | Electromagnetic heater, cooking equipment and its control method |
| CN107405029A (en) * | 2015-03-27 | 2017-11-28 | Seb公司 | Equipped with the culinary art managing device of the identifying system of cooking container |
| CN107405029B (en) * | 2015-03-27 | 2019-09-13 | Seb公司 | Cooking management device equipped with an identification system for cooking containers |
| CN108731041A (en) * | 2017-04-21 | 2018-11-02 | 浙江绍兴苏泊尔生活电器有限公司 | Pot identification method, household appliance and pot |
| CN109407523A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform component and the control system of heating platform component |
| CN109407722A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil and heating platform |
| CN109407556A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, the control method of cooking apparatus and computer installation |
| CN109407555A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil, the control method of heating platform and utensil |
| CN109407723A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | The control method of heating platform, utensil and heating platform |
| CN109407555B (en) * | 2017-08-16 | 2021-10-08 | 佛山市顺德区美的电热电器制造有限公司 | Heating platform, appliance, control method of heating platform and control method of appliance |
| CN109407723B (en) * | 2017-08-16 | 2021-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Heating platform, appliance and control method of heating platform |
| CN109691867A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its method for heating and controlling and device |
| CN109210583A (en) * | 2018-06-15 | 2019-01-15 | 浙江绍兴苏泊尔生活电器有限公司 | Control method, control device and cooking set |
| CN109210583B (en) * | 2018-06-15 | 2020-06-30 | 浙江绍兴苏泊尔生活电器有限公司 | Control method, control device and cooking set |
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Application publication date: 20120104 |