CN201602644U - Highly-efficient and intelligent electromagnetic induction heating electric kettle/cooker - Google Patents
Highly-efficient and intelligent electromagnetic induction heating electric kettle/cooker Download PDFInfo
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- CN201602644U CN201602644U CN2010201021322U CN201020102132U CN201602644U CN 201602644 U CN201602644 U CN 201602644U CN 2010201021322 U CN2010201021322 U CN 2010201021322U CN 201020102132 U CN201020102132 U CN 201020102132U CN 201602644 U CN201602644 U CN 201602644U
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- electromagnetic induction
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Abstract
The utility model relates to a highly-efficient and intelligent electromagnetic induction heating electric kettle and an electric cooker. The electric kettle or the electric cooker comprises a kettle/cooker body and a kettle/cooker seat; an electromagnetic induction heating fin and a temperature sensor are arranged on the outer wall of the bottom of the kettle/cooker body; the electromagnetic induction heating fin is compounded on the outer wall of the bottom of the kettle/cooker body through the brazing procedure, to form a magnetic-conductive and heat-conductive composite kettle/cooker bottom; an electromagnetic induction coil is arranged at the composite kettle/cooker bottom; a through hole is formed in the electromagnetic induction heating fin; the temperature sensor is additionally arranged on the outer wall of the bottom of the kettle/cooker body through the through hole; and the electromagnetic induction coil and the temperature sensor are respectively and electrically connected with a power board and a microcomputer programmable control circuit device through elastic contactors. The electromagnetic induction heating fin is compounded at the bottom of the kettle/cooker body, thereby improving the heating conductivity, ensuring uniform and energy-saving heat transmission of the kettle/cooker bottom, and achieving more than 95 percent of electric utilization ratio; meanwhile, the temperature sensor is additionally arranged on the outer wall of the bottom of the kettle/cooker body, and the reaction speed of the temperature sensor is quick, so that the intelligentized control can be realized in the heating process.
Description
Technical field:
The utility model relates to a kind of family expenses electric heater, particularly relates to a kind of electromagnetic induction heating electric kettle, electric food warmer of high energy efficiency intelligence.
Background technology:
Along with the development of energy savings and intelligent electronic technology, various domestic energy-saving products and intelligent electrical apparatus also enter family one after another.
At present, existing electromagnetic induction heating furnace, its electromagnetic induction coil and thermistor (temperature sensor) all are arranged in the stove seat, electromagnetic induction coil and thermistor and pot body are the split setting, though it is easy to use, but because there are certain distance in electromagnetic induction coil and thermistor and pot body, electromagnetic induction coil and the heating of pot body distance sensing, not only induction efficiency is low, and there is hysteresis in the temperature detection of temperature sensor, can not effectively realize intelligent control, in addition, there are two aspect shortcoming: A in the panel of electromagnetic induction heating furnace: panel is to the heat absorption of pot body, and consumes energy wastes energy greater than 6%; B: panel is to the heat absorption of pot body, and temperature is easily scalded the people greater than 90 ℃, has unsafe factor.
Existing electric cooker (pot), its electric heating element (mostly being electric hot tray) and thermistor (temperature sensor) nearly all are arranged on the pot seat, electric hot tray and thermistor and pot body are the split setting, though it is easy to use, especially not water funk when the pot body cleans, but because electric hot tray and thermistor and pot body are that contact conducts heat, there is a gap, not only heat transference efficiency is low, and there is hysteresis in the temperature detection of temperature sensor, and especially after using a period of time (for example in some months), above-mentioned phenomenon is more obvious, not only waste energy, and can not effectively realize intelligent control.
Summary of the invention:
The purpose of this utility model is to overcome the shortcoming of existing electromagnetic induction heating furnace (electromagnetic oven) and electric cooker (pot), and a kind of high energy efficiency intelligence electric kettle/pot with electromagnetic induction heating is provided.
The utility model, comprise kettle/pot body and kettle/pot seat, in kettle/pot seat, be provided with micro computer programmable control circuit device, system control circuit plate and power board, bottom outer wall at kettle/pot body is provided with electromagnetic induction heating sheet and temperature sensor, electromagnetic induction heating sheet is compounded on the bottom outer wall of kettle/pot body by soldering processes, make the compound kettle/the bottom of a pan of magnetic conduction heat conduction, on compound kettle/the bottom of a pan electromagnetic induction coil is set, in described electromagnetic induction heating sheet, be provided with through hole, temperature sensor is attached to the bottom outer wall of kettle/pot body by described through hole, electromagnetic induction coil and temperature sensor are electrically connected with power board and micro computer programmable control circuit device respectively by the elastic force contactor, and the micro computer programmable control circuit is electrically connected with system control circuit plate.
The utility model, on described kettle/pot seat, a plurality of function touch-switch, temperature display and function display screen are set, described function touch-switch, temperature display and function display screen are electrically connected with control circuit board respectively, and control circuit board is connected in the control end of power board.
The utility model below the bottom of kettle/pot body, is provided with bottom; Described elastic force contactor is made up of two parts, and the top of elastic force contactor is provided with and is sealed on the bottom, is made of a plurality of beckets and permanent magnet or inductive head; The lower part of elastic force contactor be arranged on kettle/pot seat above, constitute by a plurality of metal elastic forces contact, band magnetic hardware or inductive pick-up, metal elastic force contact holder and spring or electromagnetic attracting device.
The utility model is provided with protuberance in the middle of on described kettle/pot seat, is provided with the recess that cooperates with described protuberance in the centre, bottom of described bottom, described protuberance and recess be combined with the electrical connection that contacts that is beneficial to the elastic force contactor.
The utility model has following characteristics:
1, electromagnetic induction heating sheet is compounded in the compound kettle/the bottom of a pan of magnetic conduction heat conduction of making on the bottom of kettle/pot body by soldering processes with it, by magnetic property preferably material do electromagnetic induction heating sheet, make electromagnetic induction heating sheet and kettle/the bottom of a pan is compound becomes one, improve and add pyroconductivity, kettle/the bottom of a pan is conducted heat evenly energy-conservation again, and electric utilization rate reaches more than 95%.
2, temperature sensor by temperature integrated or thermistor make, react quick≤1S, temperature sensor is attached on the bottom outer wall of kettle/pot body, can be in heating process≤5S fast detecting kettle/pot body in the temperature signal of heated object, because the reaction speed of temperature sensor is fast, can in heating process, realize intelligent control.
3, the elastic force contactor is made up of two parts, on the top of elastic force contactor is provided with bottom the bottom that is sealed in kettle/pot body, is made of a plurality of beckets and permanent magnet or inductive head; The lower part of elastic force contactor be arranged on kettle/pot seat above, constitute by a plurality of metal elastic forces contact, band magnetic hardware or inductive pick-up, metal elastic force contact holder and spring or electromagnetic attracting device.Following advantage is arranged:
A, employing elastic force contactor are when heating work, kettle/pot body is arranged in kettle/pot seat, because the signal of inductive pick-up input micro computer programmable control circuit device, at this moment micro computer can be controlled the adhesive of circuit arrangement output signal control electromagnetic attracting device, because the effect of electromagnetic attracting device the suction-combining force, the metal elastic force contact of slip is upwards moved under the drive of support, is connected in the top becket, connect electromagnetic induction coil and temperature sensor signal, the beginning heating work; When not heating work, kettle/pot body is removed kettle/pot seat, because inductive pick-up no signal, at this moment not adhesive of electromagnetic attracting device, because the effect of electromagnetic attracting device inner spring power, the metal elastic force contact of sliding is to moving down, and at this moment the metal elastic force contact is lower than kettle (pot) seating face, guarantees Electrical Safety;
B, elastic force contactor electrically contact good, long service life in the time of guaranteeing to heat under the effect of electromagnetic attracting device;
C, adopt the elastic force contactor that electronic component all is installed in elastic force contactor lower part, heat radiation when electronic component is not heated can not influence the performance of electronic component;
D, employing elastic force contactor, kettle/pot body and kettle/pot seat uses convex-concave split design, and is easy to use; Kettle/pot body and elastic force contactor top Seal Design, the cleaning pot body is not water funk easily; Safe in utilization.
4, electromagnetic induction coil and temperature sensor are connected in power board and micro computer programmable control circuit device by the elastic force contactor, the micro computer programmable control circuit is connected in system control circuit plate, system control circuit plate connects a plurality of function touch-switch, temperature display and function display screen (indicator lamp), and system control circuit plate is connected in power board.When connecting power supply, because the measured object Current Temperatures is imported micro computer programmable control circuit device by temperature sensor fast with signal, when selecting to connect the required function touch-switch, at this moment micro computer can be controlled circuit arrangement output signal control power board and connects electromagnetic induction coil and carry out eddy-current heating, the watt level of the feedback signal control power board by sensor or logical and disconnected, realize the intelligent electromagnetic induction heating of required function, institute's programing function has reservation function, automatically burn, boil, steam and heat insulation function, for example: boil water, hot boiling water, the temperature boiling water, boil milk, cook, cook congee, steam stuffed bun, Steamed fish, functions such as reservation heating.
Description of drawings:
Fig. 1 is the structure principle chart of embodiment 1 high energy efficiency intelligent electromagnetic eddy-current heating electric kettle;
Fig. 2 is the structure principle chart of embodiment 2 high energy efficiency intelligent electromagnetic eddy-current heating electric food warmers;
Fig. 3 is the structure principle chart of embodiment 3 high energy efficiency intelligent electromagnetic inductive heating electric pots;
Fig. 4 is the structure principle chart of a kind of elastic force contactor of the utility model;
Fig. 5-Fig. 6 is the structure principle chart of the another kind of elastic force contactor of the utility model, and wherein: Fig. 5 is the structural representation of contact connection status, and Fig. 6 is the structural representation of released state;
Fig. 7-Fig. 8 is the structure principle chart of the another kind of elastic force contactor of the utility model, and wherein: Fig. 7 is the structural representation of contact connection status, and Fig. 8 is the structural representation of released state.
Fig. 9 is the structural representation in the compound kettle/the bottom of a pan of the charged magnetic induction coil of the utility model.
Among the figure, 10, kettle (pot) body 11, electromagnetic induction coil 12, electromagnetic induction heating sheet 13, temperature sensor 14, bottom 15, through hole 20 on the electromagnetic induction heating sheet, kettle (pot) seat 21, micro computer programmable control circuit device 22, system control circuit plate 23, power board 24, function touch-switch 25, temperature display 26, function display screen (indicator lamp) 40, elastic force contactor 41, elastic force contactor top 42, a plurality of beckets 43, permanent magnet or inductive head 44, elastic force contactor lower part 45, a plurality of metal elastic forces contact (or metal elastic force contact of a plurality of slips) 46, band magnetic hardware or inductive pick-up 47, metal elastic force contact holder 48, spring 49, electromagnetic attracting device.
The specific embodiment:
Embodiment 1, high energy efficiency intelligent electromagnetic eddy-current heating electric kettle.
With reference to Fig. 1 and Fig. 9, this electric kettle, comprise kettle body 10 and kettle seat 20, in kettle seat 20, be provided with micro computer programmable control circuit device 21, system control circuit plate 22 and power board 23, electromagnetic induction heating sheet 12 is compounded on the bottom outer wall of kettle body 10 by soldering processes, at the bottom of the compound kettle of making of magnetic conduction heat conduction, electromagnetic induction coil 11 is set at the bottom of the compound kettle, in described electromagnetic induction heating sheet 12, be provided with through hole 15, temperature sensor 13 is attached to the bottom outer wall of kettle body 10 by described through hole 15, electromagnetic induction coil 11 and temperature sensor 13 are electrically connected with power board 23 and micro computer programmable control circuit device 21 respectively by elastic force contactor 40, micro computer programmable control circuit 21 is electrically connected with system control circuit plate 22, a plurality of function touch-switch 24 are set on described kettle seat, temperature display 25 and function display screen 26, described function touch-switch 24, temperature display 25 and function display screen 26 are electrically connected with control circuit board 22 respectively, control circuit board 22 is connected in the control end of power board 23, below the bottom of kettle body 10, be provided with bottom 14.
With reference to Fig. 5 and Fig. 6, described elastic force contactor 40 is made up of two parts, and the top 41 of elastic force contactor is provided with and is sealed on the bottom 14, is made of a plurality of beckets 42 and permanent magnet 43; The lower part 44 of elastic force contactor be arranged on the kettle seat above, constitute by a plurality of metal elastic forces contact 45, band magnetic hardware 46, metal elastic force contact holder 47 and spring 48; Be provided with protuberance in the middle of on described kettle seat 20, in the middle of the bottom of described bottom, be provided with the recess that cooperates with described protuberance, described protuberance and recess be combined with the electrical connection that contacts that is beneficial to the elastic force contactor.
Present embodiment, described elastic force contactor 40 also can adopt structure as shown in Figure 4, still is made up of two parts, and its top 41 also is arranged on the bottom 14, only is made of a plurality of beckets 42; Lower part 44 also be arranged on the kettle seat above, constitute by a plurality of metal elastic forces contact 45.
Present embodiment, described elastic force contactor 40 also can adopt as Fig. 7-structure shown in Figure 8, form by two parts, the top 41 of elastic force contactor 40 is provided with on the bottom bottom that is sealed in the kettle body, constitute by a plurality of beckets 42 and inductive head 43, the lower part 44 of elastic force contactor is arranged on the top centre of kettle seat, is made of the metal elastic force contact 45 of inductive pick-up 46 and a plurality of slips, the support 47 that is connected in the metal elastic force contact and electromagnetic attracting device 49.When heating work, the kettle body is placed on (as shown in Figure 7) in the kettle seat, inductive head 43 in the kettle body is sensed the inductive pick-up 46 in the kettle seat, signal input micro computer programmable control circuit device 21 by inductive pick-up 46 outputs, at this moment micro computer can be controlled 49 adhesives of circuit arrangement 21 output signals control electromagnetic attracting device, because electromagnetic attracting device 49 the suction-combining force effects, the metal elastic force contact 45 of sliding is upwards moved under the drive of support, be connected in top becket 42, connect electromagnetic induction coil 11 and temperature sensor signal, the beginning heating work; When not heating work, the kettle body is removed the kettle seat, because the inductive pick-up no signal, at this moment electromagnetic attracting device 49 not adhesives, because the effect of electromagnetic attracting device inner spring power 48, the metal elastic force contact 45 of slip is to moving down, and at this moment metal elastic force contact 45 is lower than kettle seating face (as shown in Figure 8).
Described inductive head 43 of present embodiment and inductive pick-up 46 can adopt following three kinds of forms:
A, by band magnetic hardware inductive head and by constituting near the inductive switching sensor;
B, constitute by the permanent magnet inductive head with by the magnetic field induction sensor;
C, constitute by the metal inductive head with by the capacitive induction sensor.
Embodiment 2, high energy efficiency intelligent electromagnetic eddy-current heating electric food warmer.
With reference to Fig. 2 and Fig. 9, this electric food warmer, comprise pot body 10 and pot seat 20, in pot seat 20, be provided with micro computer programmable control circuit device 21, system control circuit plate 22 and power board 23, electromagnetic induction heating sheet 12 is compounded on the bottom outer wall of pot body 10 by soldering processes, at the bottom of the magnetic conduction heat conduction compound pot of making, electromagnetic induction coil 11 is set at the bottom of the compound pot, in described electromagnetic induction heating sheet 12, be provided with through hole 15, temperature sensor 13 is attached to the bottom outer wall of pot body 10 by described through hole 15, electromagnetic induction coil 11 and temperature sensor 13 are electrically connected with power board 23 and micro computer programmable control circuit device 21 respectively by elastic force contactor 40, micro computer programmable control circuit 21 is electrically connected with system control circuit plate 22, on described pot seat, a plurality of function touch-switch 24 are set, temperature display 25 and function display screen 26, described function touch-switch 24, temperature display 25 and function display screen 26 are electrically connected with control circuit board 22 respectively, control circuit board 22 is connected in the control end of power board 23, below the bottom of pot body 10, be provided with bottom 14.
With reference to Fig. 5 and Fig. 6, described elastic force contactor 40 is made up of two parts, and the top 41 of elastic force contactor is provided with and is sealed on the bottom 14, is made of a plurality of beckets 42 and permanent magnet 43; The lower part 44 of elastic force contactor be arranged on pot seat above, constitute by a plurality of metal elastic forces contact 45, band magnetic hardware 46, metal elastic force contact holder 47 and spring 48; The centre is provided with protuberance on described pot seat 20, in the middle of the bottom of described bottom, is provided with the recess that cooperates with described protuberance, described protuberance and recess be combined with the electrical connection that contacts that is beneficial to the elastic force contactor.
Present embodiment, described elastic force contactor 40 also can adopt structure as shown in Figure 4, still is made up of two parts, and its top 41 also is arranged on the bottom 14, only is made of a plurality of beckets 42; Lower part 44 also be arranged on pot seat above, constitute by a plurality of metal elastic forces contact 45.
Present embodiment, described elastic force contactor 40 also can adopt as Fig. 7-structure shown in Figure 8, form by two parts, the top 41 of elastic force contactor 40 is provided with on the bottom bottom that is sealed in pot body, constitute by a plurality of beckets 42 and inductive head 43, the lower part 44 of elastic force contactor is arranged on the top centre of pot seat, is made of the metal elastic force contact 45 of inductive pick-up 46 and a plurality of slips, the support 47 that is connected in the metal elastic force contact and electromagnetic attracting device 49.When heating work, the pot body is placed in the pot seat (as shown in Figure 7), inductive head 43 in the pot body is sensed the inductive pick-up 46 in the pot seat, signal input micro computer programmable control circuit device 21 by inductive pick-up 46 outputs, at this moment micro computer can be controlled 49 adhesives of circuit arrangement 21 output signals control electromagnetic attracting device, because electromagnetic attracting device 49 the suction-combining force effects, the metal elastic force contact 45 of sliding is upwards moved under the drive of support, be connected in top becket 42, connect electromagnetic induction coil 11 and temperature sensor signal, the beginning heating work; When not heating work, the pot body is removed the pot seat, because the inductive pick-up no signal, at this moment electromagnetic attracting device 49 not adhesives, because the effect of electromagnetic attracting device inner spring power 48, the metal elastic force contact 45 of slip is to moving down, and at this moment metal elastic force contact 45 is lower than a pot seating face (as shown in Figure 8).
Described inductive head 43 of present embodiment and inductive pick-up 46 can adopt following three kinds of forms:
A, by band magnetic hardware inductive head and by constituting near the inductive switching sensor;
B, constitute by the permanent magnet inductive head with by the magnetic field induction sensor;
C, constitute by the metal inductive head with by the capacitive induction sensor.
Embodiment 3, high energy efficiency intelligent electromagnetic inductive heating electric pot.
Embodiment 3 and embodiment 2 compare, and its difference only is a bottom 14, and the bottom 14 of embodiment 3 is made the form of shell, and the pot body is included in wherein (asking for an interview Fig. 3), and all the other structures are identical with embodiment 2.Describe and omit.
Claims (4)
1. high energy efficiency intelligent electromagnetic eddy-current heating electric kettle/pot, comprise kettle/pot body (10) and kettle/pot seat (20), in kettle/pot seat (20), be provided with micro computer programmable control circuit device (21), system control circuit plate (22) and power board (23), it is characterized in that: the bottom outer wall at kettle/pot body (10) is provided with electromagnetic induction heating sheet (12) and temperature sensor (13), electromagnetic induction heating sheet (12) is compounded on the bottom outer wall of kettle/pot body (10) by soldering processes, constitute the compound kettle/the bottom of a pan of magnetic conduction heat conduction, compound kettle/the bottom of a pan is provided with electromagnetic induction coil (11), in described electromagnetic induction heating sheet (12), be provided with through hole (15), temperature sensor (13) is attached to the bottom outer wall of kettle/pot body (10) by described through hole (15), electromagnetic induction coil (11) and temperature sensor (13) are electrically connected with power board (23) and micro computer programmable control circuit device (21) respectively by elastic force contactor (40), and micro computer programmable control circuit (21) is electrically connected with system control circuit plate (22).
2. high energy efficiency intelligent electromagnetic eddy-current heating electric kettle according to claim 1/pot, it is characterized in that: on described kettle/pot seat, a plurality of function touch-switch (24), temperature display (25) and function display screen (26) are set, described function touch-switch (24), temperature display (25) and function display screen (26) are electrically connected with control circuit board (22) respectively, and control circuit board (22) is connected in the control end of power board (23).
3. high energy efficiency intelligent electromagnetic eddy-current heating electric kettle according to claim 1 and 2/pot is characterized in that: the below, bottom at kettle/pot body (10) is provided with bottom (14); Described elastic force contactor (40) is made up of two parts, and the top of elastic force contactor (41) are provided with and are sealed on the bottom (14), by a plurality of beckets (42) and permanent magnet or inductive head (43) formation; The lower part of elastic force contactor (44) be arranged on kettle/pot seat above, constitute by a plurality of metal elastic forces contact (45), band magnetic hardware or inductive pick-up (46), metal elastic force contact holder (47), spring (48), electromagnetic attracting device (49).
4. high energy efficiency intelligent electromagnetic eddy-current heating electric kettle according to claim 1 and 2/pot, it is characterized in that: at described kettle/middle protuberance that is provided with above the pot seat (20), in the middle of the bottom of described bottom, be provided with the recess that cooperates with described protuberance, described protuberance and recess be combined with the electrical connection that contacts that is beneficial to the elastic force contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201021322U CN201602644U (en) | 2010-01-21 | 2010-01-21 | Highly-efficient and intelligent electromagnetic induction heating electric kettle/cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201021322U CN201602644U (en) | 2010-01-21 | 2010-01-21 | Highly-efficient and intelligent electromagnetic induction heating electric kettle/cooker |
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| Publication Number | Publication Date |
|---|---|
| CN201602644U true CN201602644U (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201021322U Expired - Fee Related CN201602644U (en) | 2010-01-21 | 2010-01-21 | Highly-efficient and intelligent electromagnetic induction heating electric kettle/cooker |
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| CN (1) | CN201602644U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650554A (en) * | 2011-02-24 | 2012-08-29 | Ls产电株式会社 | Coil temperature indicator of electromagnetic contact |
| CN103690023A (en) * | 2012-09-28 | 2014-04-02 | 胡玲玲 | Improved electric frying pan |
| CN104367174A (en) * | 2014-11-13 | 2015-02-25 | 佛山市伊立浦电器有限公司 | Cookware with high temperature sensing and accurate control functions |
| CN104622256A (en) * | 2014-11-14 | 2015-05-20 | 九阳股份有限公司 | Food cooking utensil |
| CN106667235A (en) * | 2016-10-14 | 2017-05-17 | 中山市合硕高品电器有限公司 | Electromagnetically heated cooker |
| CN109452846A (en) * | 2018-12-20 | 2019-03-12 | 新兴县凌铭电器有限公司 | It is a kind of can constant control arbitrary temp cooker |
-
2010
- 2010-01-21 CN CN2010201021322U patent/CN201602644U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650554A (en) * | 2011-02-24 | 2012-08-29 | Ls产电株式会社 | Coil temperature indicator of electromagnetic contact |
| CN102650554B (en) * | 2011-02-24 | 2015-08-19 | Ls产电株式会社 | The coil temperature indicator of electromagnetic contactor |
| CN103690023A (en) * | 2012-09-28 | 2014-04-02 | 胡玲玲 | Improved electric frying pan |
| CN104367174A (en) * | 2014-11-13 | 2015-02-25 | 佛山市伊立浦电器有限公司 | Cookware with high temperature sensing and accurate control functions |
| CN104367174B (en) * | 2014-11-13 | 2016-10-05 | 德奥通用航空股份有限公司 | A kind of cooking pot tool of temperature-sensitive control |
| CN104622256A (en) * | 2014-11-14 | 2015-05-20 | 九阳股份有限公司 | Food cooking utensil |
| CN104622256B (en) * | 2014-11-14 | 2017-11-07 | 九阳股份有限公司 | A kind of food cooking utensil |
| CN106667235A (en) * | 2016-10-14 | 2017-05-17 | 中山市合硕高品电器有限公司 | Electromagnetically heated cooker |
| CN109452846A (en) * | 2018-12-20 | 2019-03-12 | 新兴县凌铭电器有限公司 | It is a kind of can constant control arbitrary temp cooker |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20130121 |