CN102235700A - Heating device, residual heat display method of heating device and residual heat display control circuit - Google Patents

Heating device, residual heat display method of heating device and residual heat display control circuit Download PDF

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Publication number
CN102235700A
CN102235700A CN2010101667669A CN201010166766A CN102235700A CN 102235700 A CN102235700 A CN 102235700A CN 2010101667669 A CN2010101667669 A CN 2010101667669A CN 201010166766 A CN201010166766 A CN 201010166766A CN 102235700 A CN102235700 A CN 102235700A
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China
Prior art keywords
temperature
unit
boiler face
heater
display
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CN2010101667669A
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Chinese (zh)
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CN102235700B (en
Inventor
林恭辉
叶亚峯
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TAIWAN YINGHUA CO Ltd
Taiwan Sakura Corp
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TAIWAN YINGHUA CO Ltd
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Priority to CN201010166766.9A priority Critical patent/CN102235700B/en
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Abstract

The invention discloses a heating device, a residual heat display method of the heating device and a residual heat display control circuit. The heating device comprises a device body, a heating unit, a temperature detection unit, a display unit and a micro control unit, wherein the heating unit, the temperature detection unit and the micro control unit are arranged in the device body; the device body is provided with a furnace surface display unit; the heating unit is used for heating cookware which is arranged on the furnace surface; the temperature detection unit detects the temperature of the furnace surface, and outputs a temperature signal according to the detected result; and the micro control unit judges whether the temperature of the furnace surface is higher than a preset temperature according to the temperature signal so as to control the display unit to display a prompting signal. According to the invention, different prompting signals can be displayed according to different residual temperatures, and the residual temperature is provided for users for reference, thus the safety of use is improved.

Description

The surplus temperature display packing of heater, heater and surplus temperature display control circuit
Technical field
The present invention relates to a kind of heater, relate in particular to a kind of heater that shows the surplus temperature on the boiler face.
Background technology
Common electrothermal cooking stove is an electromagnetic oven, it mainly is to utilize the AC power of different frequency to produce alternating magnetic field, the cutting because of the magnetic line of force then produces induced-current on pan, the electromagnetic consumable that the induced electricity that is produced fails to be convened for lack of a quorum because of pan inside is converted to heat energy, reaches the purpose of eddy-current heating.
Electrothermal cooking stove is compared to traditional gas oven, have that heating rate is fast, uniformity of temperature profile, temperature control precisely, high security and do not have characteristics such as carbon monoxide discharging.
Existing electromagnetic heater as shown in Figure 1, electromagnetic heater 1 comprises a body 11, a heating unit 13, an operating unit 15 and a display unit 17, wherein a side of body 11 has a boiler face 111, it is interior and corresponding with the position of boiler face 111 that heating unit 13 is arranged on body 11, the operational order that electromagnetic heater 1 is received according to operating unit 15 is controlled heating unit 13 to carry out heating or constant temperature isotype, make the pan (not shown) that is seated in boiler face 111 can heat in the pan by gratin.
Yet, temperature when the display unit 17 of existing electromagnetic heater 1 only shows heating usually, when the user removes pan or when closing electromagnetic heater 1 from boiler face 111, electromagnetic heater 1 promptly stops heating, but do not continue to show the temperature of boiler face 111, therefore do not have the temperature alarm function.Therefore, the user can't learn boiler face 111 after the heating residual temperature, cause scald easily because inadvertent removes to touch boiler face 111.
Summary of the invention
Because the problems referred to above, the technical problem that institute of the present invention desire solves, be to provide a kind of cue relevant that show,, reach the effect of caution and safety to solve the defective of not pointing out the user to note the surplus temperature on the boiler face after the existing heater stop heating with the temperature of boiler face.
The object of the present invention is to provide a kind of heater, provide the user to heat by outside the gratin, also remind the user heat later boiler face residual surplus temperature overheated.
In order to solve the problems of the technologies described above, a technical scheme of the present invention provides a kind of heater, comprises a body, a heating unit, a temperature detecting unit, a display unit and a micro-control unit.Wherein heating unit, temperature detecting unit and micro-control unit are arranged in the body, and body has a boiler face, and display unit is arranged on the body.Heating unit is placed on pan on the boiler face in order to heating; Temperature detecting unit detects the temperature of boiler face, and exports a temperature signal according to testing result; Whether the temperature that micro-control unit is judged boiler face according to temperature signal with control display unit shows a cue greater than a preset temperature.
In order to solve the problems of the technologies described above, another technical scheme of the present invention provides a kind of surplus temperature display packing of heater, comprises starting a heating unit; Judge whether a boiler face is equipped with pan; If boiler face is not equipped with pan, then closes heating unit and start a temperature detecting unit; Whether the temperature of judging boiler face surpasses a preset temperature; If the temperature of boiler face surpasses preset temperature, then adjust a display unit that is positioned on the boiler face and show and the corresponding cue of temperature.
In order to solve the problems of the technologies described above, another technical scheme of the present invention provides a kind of surplus temperature display control circuit, be applicable to a heater, surplus temperature display control circuit comprises a temperature detecting unit, a display unit and a micro-control unit, wherein temperature detecting unit detects the temperature of a boiler face of heater, and exports a temperature signal according to testing result; Micro-control unit and temperature detecting unit and display unit couple, and whether micro-control unit judges temperature signal greater than a preset temperature, show a cue with the control display unit.
Beneficial effect of the present invention is, by aforesaid technical scheme, the present invention can show different cues according to different surplus temperature, provide the user with reference to boiler face residual temperature, to promote the security of using.
Above general introduction and ensuing detailed description are all exemplary in nature, are in order to further specify protection scope of the present invention.And relevant other objects and advantages of the present invention will be further understood by the following description and appended accompanying drawing.Yet appended accompanying drawing only provides reference and explanation, is not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment of existing electromagnetic heater;
Fig. 2 is the schematic diagram of an embodiment of heater of the present invention;
Fig. 3 is the block diagram of an embodiment of surplus temperature display control circuit of the present invention; And
Fig. 4 is the flow chart of an embodiment of the surplus temperature display packing of heater of the present invention.
Wherein, description of reference numerals is as follows:
1 electromagnetic heater
11 bodies
111 boiler faces
13 heating units
15 operating units
17 display units
2 heaters
The surplus temperature display control circuit of 2a
21 bodies
210 top boards
211 boiler faces
20 micro-control units
22 power circuits
23 heating units
24 temperature detecting units
25 operating units
26 pan detecting units
27 first display units
271 seven-segment displaies
273 cresset indicators
28 heat-sink units
29 second display units
291,295 luminous zones
293,297 shading regions
231 first temperature detecting units
24 ' second temperature detecting unit
T 1First temperature signal
T 2Second temperature signal
C 1Command signal
D 1Detection signal
The step of the surplus temperature display packing of S401～S419 heater
The specific embodiment
Please refer to Fig. 2, be the schematic diagram of an embodiment of a kind of heater provided by the present invention.As shown in Figure 2, heater 2 comprises a body 21, and a top board 210 of body 21 has a boiler face 211.Heater 2 also comprises heating unit 23, temperature detecting unit 24, operating unit 25, first display unit 27, reaches second display unit 29, and wherein heating unit 23, temperature detecting unit 24 are arranged in the body 21; First display unit 27 is arranged on the body 21; Second display unit 29 be arranged on boiler face 211 around or close position.During actual enforcement, heater 2 can have two groups of identical said elements, and it works alone respectively.
Wherein heating unit 23 is used for heating the pan (not shown) that is placed on the boiler face 211, heating unit 23 can be induction coil, by receiving an alternating current to produce a magnetic field, make the pan on the boiler face 211 produce an induction field, heating unit 23 also can be other heating sources such as heating resistor.Heating unit 23 can be annular or square coil, and the shape of heating unit 23 is corresponding with the shape of boiler face 211.
Temperature detecting unit 24 is used for detecting the temperature of boiler face 211; Temperature detecting unit 24 can be resistance temperature detector (RTD) or infrared temperature detector etc.Temperature detecting unit 24 can be arranged on the central lower of boiler face 211, the scope that detects is approximately identical with the scope of boiler face 211, usually the center of heating back boiler face 211 is boiling the hottest, distance center is far away more, the temperature of boiler face 211 is low more, thus temperature detecting unit 24 to be arranged on the effect that detects at boiler face 211 centers preferable.
Second display unit 29 be arranged on boiler face 211 around, be used for showing the cue relevant with the temperature of boiler face 211; Second display unit 29 can be cold-cathode tube or LED fluorescent tube, and the shape of second display unit 29 and big I cooperate the shape and the size of heating unit 24, promptly cooperate heatable part on the boiler face 211, as the annular or square, be used for pointing out may be hot on user's boiler face 211 the zone.For instance, the outward appearance of second display unit 29 can be as shown in Figure 2, have a plurality of luminous zones 291,295 and a plurality of shading region 293,297, if second display unit 29 is the LED fluorescent tube, then second display unit 29 can comprise one or more LED light-emitting component, wherein the LED light-emitting component can be arranged on luminous zone 291,295, a wherein district in, utilize LED light-emitting component lateral direction light emission to make the luminous zone 291 of diverse location in second display unit 29,295 send uniform light, and second display unit, 29 issued lights are passage of scintillation light, for example each second flicker once, the luminous duration is 0.5 second each time, and luminous brightness is with the temperature change of boiler face 211, if temperature is high more, then brightness is strong more usually, otherwise if temperature is low more, brightness is weak more.As shown in table 1.Wherein brightness ratio is the ratio compared to second display unit, 29 high-high brightness.
Table 1
Furnace surface temperature T (℃) T＜42 ?42≤T＜45 ?45≤T＜48 ?48≤T＜50 ?T＞50
Brightness ratio 0 ?1/5 ?2/5 ?3/5 ?4/5
Operating unit 25 provides the heating-up temperature of user's operating and setting heating unit 23 respectively, can also be used to providing the user to set the time of heating, the pattern that makes heater 2 operate in heating, constant temperature or regularly heat.
First display unit 27 can comprise seven- segment display 271 and 273 two kinds of wherein a kind of or combinations of two kinds of display unit of cresset indicator (or claiming indicator lamp).Seven-segment display 271 can show heater 2 temperature that pan had of heating at present; Cresset indicator 273 can show the pattern of heater 2 operation, as regularly, heating or constant temperature etc., cresset indicator 273 is can also be at heater 2 inner members such as heating unit 23 overheated or send the cresset of caution when current overload takes place.
Heater 2 also can comprise a speaker unit (not shown), sends caution sound when current overload, temperature overheating take place heater 2, reminds the user to adjust design temperature or close heater 2.
Heater 2 also has overheat protective function, just starts cooling mechanism when temperature overheating.
For further specify element that heater 2 inside are comprised with and operation principle, please refer to Fig. 3, be the block diagram of an embodiment of a kind of surplus temperature display control circuit provided by the present invention.As shown in Figure 3, surplus temperature display control circuit 2a comprises micro-control unit 20, power circuit 22, heating unit 23, first temperature detecting unit 231, second temperature detecting unit 24 ', operating unit 25, pan detecting unit 26, first display unit 27, heat-sink unit 28 and second display unit 29.Surplus temperature display control circuit 2a is applicable to the heater 2 with heating function, and wherein micro-control unit 20, power circuit 22, heating unit 23, first temperature detecting unit 231, second temperature detecting unit 24 ', pan detecting unit 26 and heat-sink unit 28 are arranged in the body 21 of heater 2.Power circuit 22, heating unit 23, first temperature detecting unit 231, second temperature detecting unit 24 ', operating unit 25, pan detecting unit 26, first display unit 27, heat-sink unit 28 and second display unit 29 couple with micro-control unit 20 respectively; First temperature detecting unit 231 also couples with heating unit 23, and heater 2 can comprise at least one group of surplus temperature display control circuit 2a.Heating unit 23 can have an IGBT power switch (not shown).
A power circuit 22 and a supply coupling; transfer an alternating current to direct current; with the required electric power of supply said units work; power circuit 22 can comprise power supply short circuit and noise holding circuit, voltage or current detection circuit and rectification circuit; when detecting electric current when excessive; power circuit 22 output overcurrent signals are to micro-control unit 20, and micro-control unit 20 controls first display unit 27 according to over-current signal or the speaker unit (not shown) is sent alarm signal.
Operating unit 25 receives the command signal C of user's input 1, command signal C 1Comprise timing, heating or constant temperature etc., micro-control unit 20 is according to command signal C 1The watt level of control heating unit 23 outputs, wherein watt level is corresponding with heating-up temperature, and promptly power is big more, and firepower is big more; First temperature detecting unit 231 is used for detecting the operating temperature of IGBT power switch in the heating unit 23, and exports the first temperature signal T 1To micro-control unit 20, micro-control unit 20 is according to the first temperature signal T 1Adjust the power output of heating unit 23 or open heat-sink unit 28, do not burnt with protection heating unit 23 or other elements.
For instance, the variation magnetic field of heating unit 23 makes pan produce induction field, and pan detecting unit 26 detects the mobile induced electromotive force that is produced of electronics of pan to export a detection signal D 1, micro-control unit 20 is according to detection signal D 1Judge whether boiler face 211 is equipped with pan, when the pan on the micro-control unit 20 judgement boiler faces 211 was from having to do not having, then micro-control unit 20 started second temperature detecting unit 24 '; Second temperature detecting unit 24 ' detects the temperature of boiler face 211, and exports one second temperature signal T according to testing result 2, micro-control unit 20 is according to the second temperature signal T 2Whether the temperature of judging boiler face 211 greater than a preset temperature, this preset temperature can in be built in micro-control unit 20.Preset temperature can be one group of preset temperature, and micro-control unit 20 is with the second temperature signal T 2With the temperature level of preset temperature comparison with judgement boiler face 211, and according to the second temperature signal T 2Size control second display unit, 29 display reminding signals, as each second flicker light once, and the luminous intensity and the second temperature signal T 2Big or small corresponding.
Please refer to Fig. 4, be the flow chart of an embodiment of the surplus temperature display packing of a kind of heater provided by the present invention.As shown in Figure 4, at first, the command signal C that micro-control unit 20 receives from operating unit 25 1(S401), command signal C 1Can be timing, heating or constant temperature command signal, micro-control unit 20 is according to command signal C 1Heater 2 is operated in different patterns, control first display unit 27 according to the selected operator scheme of user simultaneously and show heating-up temperature and heat time heating time etc.; No matter what pattern heater 2 operates under, and micro-control unit 20 can judge whether boiler face 211 is equipped with pan (S403) earlier, and the method for judgement can detect the detection signal D that sends behind the induced electromotive force of pan according to pan detecting unit 26 1Judge whether to be equipped with pan, during actual enforcement, be equipped with pan if micro-control unit 20 in a Preset Time, is for example judged in 60 seconds, then microcontroller 20 starts second display unit 29 (S405), and this moment, second display unit 29 can be bright entirely.Preset Time can in build in the micro-control unit 20.
Then, microcontroller 20 starts heating unit 23 (S407), and second display unit 29 is used for pointing out the present heating unit 23 of user heating, and microcontroller 20 also can start the heating unit 23 and second display unit 29 simultaneously; If pan detecting unit 26 does not detect pan in Preset Time, then micro-control unit 20 operates in standby mode with heater 2, does not promptly start heating unit 23.
When heater 2 operated in heating mode, micro-control unit 20 can judge regularly still whether boiler face 211 is equipped with pan (S409); When boiler face 211 continues to be equipped with pan, then micro-control unit 20 judges whether to receive and stops heating signal, just receives from operating unit 25 to stop heating signal (S411); Stop heating signal or judge that boiler face 211 is not equipped with the time of pan above Preset Time if micro-control unit 20 receives, then close heating unit 23 and start second temperature detecting unit 24 ' (S413), second temperature detecting unit 24 ' is exported the second temperature signal T according to the temperature of boiler face 211 2 Micro-control unit 20 is according to the second temperature signal T 2Whether the temperature of judging boiler face 211 surpasses first preset temperature (S415); Micro-control unit 20 is adjusted second display unit 29 according to the temperature of boiler face 211 and is shown corresponding cue (S417); Behind second display unit, the 29 display reminding signals, micro-control unit 20 can judge once more in a special time whether the temperature of boiler face 211 has cooling to descend, up to the second temperature signal T 2After being lower than first preset temperature, micro-control unit 20 is just closed second display unit 29.
The temperature course of wherein judging boiler face 211 can be with the second temperature signal T 2Compare with one group of preset temperature, for instance, if the second temperature signal T 2When being lower than first preset temperature, then close second display unit 29 (S419); If the second temperature signal T 2Be higher than first preset temperature, for example 42 when spending.Then continue the second temperature signal T 2Compare (S415) with second preset temperature, as 50 degree, if the second temperature signal T 2Be higher than second preset temperature, the brightness of then controlling second display unit 29 is compared to complete 4/5 (S417) when bright; If the second temperature signal T 2Be lower than second preset temperature, then continue the second temperature signal T 2Compare (S415) with the 3rd preset temperature, for example 48 spend, if be higher than the 3rd temperature preset temperature, the brightness of then controlling second display unit 29 is compared to complete 3/5 bright (S417); If be lower than the 3rd preset temperature then by that analogy, with the second temperature signal T 2Compare (S415) with the 4th preset temperature, the 4th preset temperature is less than the 3rd preset temperature, but reference table 1, up to comparing the second temperature signal T 2Less than first preset temperature, just stop relatively and close second display unit 29 (S419).
Comprehensive as can be known above-mentioned, heater of the present invention utilizes temperature detecting unit to detect the temperature of boiler face, and shows blinking light according to the temperature of boiler face in the adjacent place of boiler face, and light just has corresponding brightness ratio with the temperature of boiler face.Whereby, the user can know and judge the boiler face temperature of whether having a surplus that prevention user false touch has the boiler face of Yu Wen and causes scald.
The above person of thought; it only is preferred embodiment of the present invention; when not limiting protection domain of the invention process with this, promptly the simple equivalent of being done according to protection domain of the present invention and invention description content generally changes and modifies, and all still belongs in the protection domain that the present invention contains.

Claims (11)

1. a heater is characterized in that, this heater comprises:
One body has a boiler face;
One heating unit is arranged in this body, is placed on a pan on this boiler face in order to heating;
One temperature detecting unit is arranged in this body, and this temperature detecting unit detects the temperature of this boiler face, and exports a temperature signal according to testing result; And
One display unit is arranged on this body; And
One micro-control unit is arranged in this body, couples with this temperature detecting unit and this display unit respectively, and whether the temperature that this micro-control unit is judged this boiler face according to this temperature signal to control this display unit shows a cue greater than a preset temperature.
2. heater as claimed in claim 1, when it is characterized in that temperature when this boiler face is greater than this preset temperature, this cue that this display unit of this micro-control unit controls shows is bright lamp, and when the temperature of this boiler face during less than this preset temperature, this micro-control unit is closed this display unit.
3. heater as claimed in claim 2 is characterized in that this cue brightness of this display unit demonstration is corresponding with the temperature height of this boiler face, when this furnace surface temperature is high more, and the brighter display of this cue.
4. heater as claimed in claim 1 it is characterized in that the shape of this display unit is corresponding with the shape of this heating unit, and this display unit has a plurality of luminous zones and a plurality of shading region.
5. heater as claimed in claim 1 is characterized in that, this heating unit also comprises a pan detecting unit, and this pan detecting unit is arranged in this body, and this pan detecting unit detects this pan on this boiler face to export a detection signal.
6. heater as claimed in claim 5, it is characterized in that this micro-control unit and this pan detecting unit couple, this micro-control unit judges according to this detection signal whether this pan is placed on this boiler face, judge this pan on this boiler face from having to nothing when this micro-control unit, then this micro-control unit starts this temperature detecting unit.
7. the surplus temperature display packing of a heater is characterized in that, this surplus temperature display packing comprises step:
Start a heating unit;
Judge whether a boiler face is equipped with pan;
If this boiler face is not equipped with pan, then closes this heating unit and start a temperature detecting unit;
Whether the temperature of judging this boiler face surpasses one first preset temperature; And
If the temperature of this boiler face surpasses this first preset temperature, then adjust a display unit and show and the corresponding cue of temperature.
8. the surplus temperature display packing of heater as claimed in claim 7 is characterized in that, also comprises step: if the temperature of this boiler face is then closed this display unit and this temperature detecting unit less than this first preset temperature.
9. the surplus temperature display packing of heater as claimed in claim 7 is characterized in that, also comprises step: after this display unit shows this cue, judge once more whether the temperature of this boiler face surpasses this first preset temperature.
10. the surplus temperature display packing of heater as claimed in claim 7 is characterized in that, also comprises step: whether the temperature of judging this boiler face surpasses one second preset temperature.
11. a surplus temperature display control circuit is applicable to a heater, it is characterized in that this surplus temperature display control circuit comprises:
One temperature detecting unit detects the temperature of a boiler face of this heater, and exports a temperature signal according to testing result;
One display unit; And
One micro-control unit couples with this temperature detecting unit and this display unit, and whether this micro-control unit judges this temperature signal greater than a preset temperature, shows a cue to control this display unit.
CN201010166766.9A 2010-04-23 2010-04-23 The remaining temperature display methods of heater, heater and remaining temperature display control circuit Expired - Fee Related CN102235700B (en)

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CN103697506A (en) * 2013-12-19 2014-04-02 广东美的厨房电器制造有限公司 Electric heating disk
EP2683218A3 (en) * 2012-07-05 2014-10-29 Diehl AKO Stiftung & Co. KG Method and arrangement of residual heat gradient indication of cooktops
CN105757731A (en) * 2016-04-19 2016-07-13 广东美的厨房电器制造有限公司 Induction cooker and control method thereof
CN106500851A (en) * 2016-10-27 2017-03-15 广东格兰仕集团有限公司 There is heat-producing device and its method for operating of waste heat prompt facility
CN106618171A (en) * 2015-08-11 2017-05-10 浙江绍兴苏泊尔生活电器有限公司 Control method of pressure cooker and pressure cooker
CN107860038A (en) * 2017-10-11 2018-03-30 江西摩力斯厨房设备工程有限公司 A kind of high-efficiency, energy-conserving and electromagnetical stove
CN108370617A (en) * 2015-12-18 2018-08-03 Bsh家用电器有限公司 Stove device
TWI647646B (en) * 2016-11-07 2019-01-11 台灣櫻花股份有限公司 Smart cooking system having thermal image sensor
CN109282328A (en) * 2017-07-19 2019-01-29 博西华电器（江苏）有限公司 Electromagnetic stove
CN111207438A (en) * 2020-01-13 2020-05-29 珠海格力电器股份有限公司 Electric heater and control method thereof
CN111425889A (en) * 2019-01-10 2020-07-17 深圳富桂精密工业有限公司 Gas stove and residual temperature detection method
CN114198783A (en) * 2020-09-18 2022-03-18 杭州九阳小家电有限公司 Electromagnetic heating device and control method thereof
CN114963248A (en) * 2022-02-14 2022-08-30 浙江绍兴苏泊尔生活电器有限公司 Heating apparatus and control method of heating apparatus

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Publication number Priority date Publication date Assignee Title
EP2683218A3 (en) * 2012-07-05 2014-10-29 Diehl AKO Stiftung & Co. KG Method and arrangement of residual heat gradient indication of cooktops
CN103697506A (en) * 2013-12-19 2014-04-02 广东美的厨房电器制造有限公司 Electric heating disk
CN106618171A (en) * 2015-08-11 2017-05-10 浙江绍兴苏泊尔生活电器有限公司 Control method of pressure cooker and pressure cooker
CN108370617B (en) * 2015-12-18 2021-10-01 Bsh家用电器有限公司 Cooking range device
US11150959B2 (en) 2015-12-18 2021-10-19 BSH Hausgeräte GmbH Hob device
CN108370617A (en) * 2015-12-18 2018-08-03 Bsh家用电器有限公司 Stove device
CN105757731B (en) * 2016-04-19 2018-05-01 广东美的厨房电器制造有限公司 The control method of electromagnetic oven and electromagnetic oven
CN105757731A (en) * 2016-04-19 2016-07-13 广东美的厨房电器制造有限公司 Induction cooker and control method thereof
CN106500851A (en) * 2016-10-27 2017-03-15 广东格兰仕集团有限公司 There is heat-producing device and its method for operating of waste heat prompt facility
TWI647646B (en) * 2016-11-07 2019-01-11 台灣櫻花股份有限公司 Smart cooking system having thermal image sensor
CN109282328A (en) * 2017-07-19 2019-01-29 博西华电器（江苏）有限公司 Electromagnetic stove
CN107860038A (en) * 2017-10-11 2018-03-30 江西摩力斯厨房设备工程有限公司 A kind of high-efficiency, energy-conserving and electromagnetical stove
CN107860038B (en) * 2017-10-11 2024-04-19 江西省大庾烘焙设备有限公司 High-efficiency energy-saving electromagnetic oven
CN111425889A (en) * 2019-01-10 2020-07-17 深圳富桂精密工业有限公司 Gas stove and residual temperature detection method
CN111207438A (en) * 2020-01-13 2020-05-29 珠海格力电器股份有限公司 Electric heater and control method thereof
CN114198783A (en) * 2020-09-18 2022-03-18 杭州九阳小家电有限公司 Electromagnetic heating device and control method thereof
CN114198783B (en) * 2020-09-18 2024-03-12 杭州九阳小家电有限公司 Electromagnetic heating device and control method thereof
CN114963248A (en) * 2022-02-14 2022-08-30 浙江绍兴苏泊尔生活电器有限公司 Heating apparatus and control method of heating apparatus

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