CN111568256A - Steam assembly, steaming and baking box and control method - Google Patents
Steam assembly, steaming and baking box and control method Download PDFInfo
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- CN111568256A CN111568256A CN202010497254.4A CN202010497254A CN111568256A CN 111568256 A CN111568256 A CN 111568256A CN 202010497254 A CN202010497254 A CN 202010497254A CN 111568256 A CN111568256 A CN 111568256A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010025 steaming Methods 0.000 title claims description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 229920006395 saturated elastomer Polymers 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims 1
- 238000010411 cooking Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
-
- 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
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- 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
-
- 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
- A47J36/2483—Warming devices with electrical heating means
-
- 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
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a steam component, a steam oven and a control method, wherein the steam component comprises an inner container, a steam conveying component and a steam control component, wherein the steam control component controls the steam conveying component to convey generated steam from the outside of the inner container to an inner cavity of the inner container; the steam control assembly comprises a steam generator, a first temperature sensor and a second temperature sensor; initial temperature T1 that a temperature sensor detected steam generator and temperature T2 after No. two temperature sensor detected steam and got into the inner bag carry out the data processing after, carry out analysis comparison through the singlechip among the steam control assembly, judge the back to the analysis result through the control panel, adjust mode, thereby can just know the temperature in advance at the initial stage that steam produced, make things convenient for program control heating pipe to carry out temperature compensation, the steam cooking function that lets the steam oven under the circumstances of realization low cost does not receive the height above sea level influence in region.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a steam assembly, a steaming and baking oven and a control method.
Background
Most of steam temperatures with pure steaming functions of a steaming oven and a micro-steaming and baking all-in-one machine in the existing market are influenced by local atmospheric pressure, and the steam temperatures in high-altitude areas can not reach standard cooking temperatures, so that food is not cooked thoroughly. Although the steam temperature of the pressure steam oven is slightly influenced by the outside, the technical requirements on manufacturing are high, and the production cost is high. In addition, some steam ovens use a steam generator 3 that can heat steam secondarily or a steam generator 3 that can directly generate superheated steam, and when cooking steam in a high altitude area, the steam temperature may be less affected by the environment, but such a steam generator 3 is expensive and costly.
Disclosure of Invention
The invention aims to provide a steam assembly, a steaming oven and a control method, which aim to solve the problems of the background art.
In order to achieve the purpose, the specific technical scheme of the steam assembly, the steaming oven and the control method is as follows:
a steam assembly comprises an inner container, a steam conveying assembly and a steam control assembly, wherein the steam control assembly controls the steam conveying assembly to convey generated steam from the outside of the inner container to an inner cavity of the inner container; the steam control assembly comprises a steam generator, a first temperature sensor and a second temperature sensor; the temperature sensor I detects the initial temperature T1 generated by the steam generator and the temperature sensor II detects the temperature T2 of steam entering the inner container, and after data processing, analysis and comparison are carried out through a single chip microcomputer in the steam control assembly; when T2 is less than T1max-a, the steam generator continues to work at full power and supplies saturated steam to the inner container; when T2 is more than or equal to T1max-a, the steam generator changes to constant duty ratio and reduces power to work to supply saturated steam to the inner container, a is a set value of a user, and a is more than or equal to 0 ℃.
Furthermore, a temperature sensor is arranged on the outer wall of the back baffle of the inner container, and a temperature sensor II is arranged on the inner wall of the back baffle of the inner container.
Further, a is more than or equal to 5 ℃.
Furthermore, a heating component is arranged in the inner container and heats steam in the inner container.
Furthermore, the heating component is a heating pipe, when T2 is more than or equal to T1max-a, the steam generator reduces the power to work, and the heating pipe assists in heating the steam in the inner container.
Furthermore, a shaded pole motor is further installed on a back baffle of the inner container, and the shaded pole motor drives a fan blade to rotate, so that steam in the inner container is stirred and flows circularly.
Furthermore, the heating tube is arranged in an annular structure, and the annular heating tube surrounds the fan blade, so that steam is uniformly stirred and flows.
Further, the vapor delivery assembly includes: the steam temperature detecting device comprises a steam initial temperature detecting assembly arranged on the outer portion of the back of the inner container, a purified water inlet and a steam outlet arranged on the steam generator, a first temperature sensor arranged on the steam initial temperature detecting assembly and a steam conveying pipeline, wherein the steam conveying pipeline is connected into an inner cavity of the inner container from the steam outlet of the steam generator through the steam initial temperature detecting assembly.
Further, the initial temperature detection subassembly of steam is the linker, and linker outer wall and a temperature sensor connect to detect the steam temperature in the linker.
Further, steam control assembly is including installing the control panel on inner bag back outer wall, control panel respectively with temperature sensor and No. two electric connection between the temperature sensor.
Furthermore, the inner container is communicated with a pressure relief opening for relieving the air pressure in the inner container.
A steaming oven comprises an oven shell and an oven body, wherein the steam assembly is installed in the oven shell.
A control method of a steam assembly comprises the following steps,
steam generation and delivery: a steam generator in the steam control assembly generates steam, and the steam control assembly controls the steam conveying assembly to convey the generated steam from the outside of the inner container to the inner cavity of the inner container;
a detection step: a first temperature sensor outside the inner container detects the initial temperature T1 generated by the steam generator;
a second temperature sensor in the inner container 1 detects the temperature T2 after the steam enters the inner container, and the initial temperature T1 and the temperature T2 in the inner container are analyzed and compared through a single chip microcomputer in the steam control assembly after data processing is carried out;
the control steps are as follows: when T2 is less than T1max-a, the steam generator continues to work at full power and supplies saturated steam to the inner container;
when T2 is more than or equal to T1max-a, the steam generator changes to constant duty ratio and reduces power to work to supply saturated steam to the inner container, a is a set value of a user, and a is more than or equal to 0 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the steam system structure provided by the invention is used in a household steaming oven and a household micro-steaming oven, and by using the structure and the control method, the temperature can be predicted at the initial stage of steam generation, the switching control of the working mode is realized, the temperature compensation of the heating pipe is conveniently controlled by a program, the low-power and low-cost compensation is carried out on the steam temperature, and the steam cooking function of the steaming oven can still be not influenced by the altitude of the area under the condition of realizing low cost.
Drawings
FIG. 1 is a back perspective view of the present invention;
FIG. 2 is a front perspective view of a fan blade and a heating tube;
FIG. 3 is a front perspective view of the present invention;
FIG. 4 is a front view of FIG. 2;
FIG. 5 is a front view of FIG. 3;
FIG. 6 is a flow chart of the control method of the embodiment in which a is 5 ℃.
The reference numbers in the figures illustrate: inner bag 1, shaded pole motor 2, steam generator 3, water purification entry 4, steam outlet 5, a temperature sensor 6, the initial temperature detect assembly 7 of steam, control panel 8, cabinet door 9, pressure release mouth 10, steam inlet 11, No. two temperature sensor 12, back baffle 13, fan blade 14, heating tube 15.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-6, which illustrate the invention.
Referring to fig. 1, the steam assembly designed by the present invention mainly comprises three modules, namely a liner 1, a steam delivery assembly and a steam control assembly, wherein the steam delivery assembly mainly comprises a steam generator 3, a purified water inlet 4, a steam outlet 5, a first temperature sensor 6 and a second temperature sensor 12; wherein, steam control assembly is including installing control panel 8 on inner bag 1 back outer wall, control panel 8 respectively with temperature sensor 6 and No. two temperature sensor 12 between electric connection.
The designed steam assembly is used in a steaming oven or micro-steaming and baking, the embodiment takes the steaming oven as an example, the structure of the steaming oven comprises an oven shell and an oven body, and the steam assembly is installed in the oven shell. Steam control assembly control steam conveying assembly carries the steam that produces in the inner chamber body of inner bag 1 from inner bag 1 outside, and inner bag 1 is open cuboid cavity structure and is equipped with a body, and after closing a body, steam gets into the steam in the inner bag 1 of steam oven and cooks food. The steam control assembly comprises a steam generator 3, a first temperature sensor 6 and a second temperature sensor 12; the first temperature sensor 6 detects the saturated steam temperature generated by the steam generator 3, measures the steam temperature T1 in the current environment in real time after the steam is generated, and transmits the maximum value T1max of the temperature to the control board 8, so that the temperature information is analyzed in the control board 8. The second temperature sensor 12 detects the temperature T2 of the steam entering the inner container 1, and transmits the temperature information to the control board 8 for analysis.
Then, the steam is analyzed and compared through a single chip microcomputer in the steam control assembly; when T2 is less than T1max-a, the steam generator 3 continues to work at full power and supplies saturated steam to the inner container 1; when T2 is more than or equal to T1max-a, the steam generator 3 is changed to work with constant duty ratio and reduced power to supply saturated steam to the inner container 1, a is a user set value, a is more than or equal to 0 ℃, preferably, a is more than or equal to 5 ℃, in the embodiment, taking a as an example that a is 5 ℃, the first temperature sensor 6 is installed on the outer wall of the back baffle 13 of the inner container 1, and the second temperature sensor 12 is installed on the inner wall of the back baffle 13 of the inner container 1.
In a further optimized design, a heating component is also arranged in the inner container 1 and is used for auxiliary heating of the steam in the inner container 1. The heating component is a heating tube 15, when T2 is more than or equal to T1max-a, the power of the steam generator 3 is reduced, and the heating tube 15 is used for auxiliary heating of the steam in the inner container 1. The control panel 8 controls the heating tube 15 to heat the steam in the inner container 1, and the steam generator 3 reduces the power to work at the same time, and performs PID to maintain the temperature after reaching the set temperature. The combination mode can solve the problem of poor cooking effect caused by low steam temperature in high altitude areas on the premise of low cost and low modification. The low-cost, simple design just can solve the not good problem of culinary art effect that the steaming oven brought in high altitude area steam temperature low, promotes the competitiveness of product.
As shown in fig. 1 and 2, the heat generating pipes 15 are arranged in a ring structure, and the ring-shaped heat generating pipes 15 surround the fan blades 14, so that the steam is uniformly stirred and flows. The shaded pole motor 2 drives the fan blade 14 under the back baffle 13 in the inner container 1 to rotate, so that the steam in the inner container 1 circularly flows, the temperature distribution in the inner container 1 is more uniform, the temperature of the steam is uniformly distributed, and meanwhile, the efficiency of heating the steam by the heating tube 15 can be effectively improved. Below the inside of the inner container 1, a second temperature sensor 12 detects the temperature of the steam in the inner container 1 and transmits a temperature signal to the control board 8. A pressure relief opening 10 is formed in the upper portion of the inner container 1 to facilitate pressure relief, and therefore excessive air pressure in the inner container 1 is prevented.
The vapor delivery assembly includes: the steam initial temperature detection assembly 7 is installed outside the back of the inner container 1, the purified water inlet 4 and the steam outlet 5 are installed on the steam generator 3, the first temperature sensor 6 is arranged on the steam initial temperature detection assembly 7, and the steam delivery pipeline is connected to the inner cavity of the inner container 1 from the steam outlet 5 of the steam generator 3 through the steam initial temperature detection assembly 7; the initial temperature detection assembly 7 for steam is a communicating vessel, and the outer wall of the communicating vessel is connected with a first temperature sensor 6, so that the temperature of the steam passing through the communicating vessel is detected.
The control method adopted by the steam assembly mainly comprises the following three steps of steam generation and delivery, detection and control.
As shown in fig. 4, after the temperature is set by the user, and the set value a is 5 ℃, for example, the steam generator 3 starts to boil the full-power water to generate saturated steam, the temperature sensor 6 on the steam temperature detecting assembly detects the temperature T1 of the saturated steam, and the control board 8 picks up the maximum temperature T1max of the saturated steam. The temperature T2 of the steam entering the inner container 1 is detected by the second temperature sensor 12, and the control panel 8 picks up the temperature of the steam in the inner container 1 and compares the temperature with (T1 max-5).
When T2 < T1max-5, the steam generator 3 continues to work at full power to supply saturated steam to the inner container 1. Because the temperature of the gas in the inner container 1 is raised to T1max by pure steam, the time is long, the steam is required to be supplied into the inner container 1 continuously, the efficiency is low, and simultaneously, the amount of the steam discharged from the pressure relief opening 10 is large, so that the energy waste is caused, and the condensed water at the outlet is increased.
When T2 is more than or equal to T1max-5, the steam generator 3 changes the working mode to supply saturated steam to the inner container 1 at a constant duty ratio (for example, 20:40, namely, in a working period of one minute, working is carried out for 20s, and the working is suspended for 40s, wherein the specific duty ratio is matched according to the size of the inner container 1), and meanwhile, the PID control heating tube 15 heats the saturated steam to the set temperature until the cooking is finished. Among the above-mentioned, steam generator 3 works with deciding duty cycle, and the purpose is mainly replenished the volume of steam in inner bag 1, supplementary temperature control, reuse heating tube 15 temperature primary control, and it is fast that heating tube 15 heaies up to the settlement temperature to steam in the inner bag 1, and efficiency is higher. In a high-altitude area, T1max of saturated steam often cannot reach the set temperature of 100 ℃, so that the steam is heated to the set temperature by the heating pipe 15 after the steam temperature of the inner container 1 reaches (T1max-5) with high efficiency.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (13)
1. A steam assembly comprises an inner container (1), a steam conveying assembly and a steam control assembly, wherein the steam control assembly controls the steam conveying assembly to convey generated steam from the outside of the inner container (1) to an inner cavity of the inner container (1);
the method is characterized in that: the steam control assembly comprises a steam generator (3), a first temperature sensor (6) and a second temperature sensor (12); the first temperature sensor (6) detects the initial temperature T1 generated by the steam generator (3) and the second temperature sensor (12) detects the temperature T2 of steam entering the inner container (1), and after data processing, analysis and comparison are carried out through a single chip microcomputer in the steam control assembly;
when T2 is less than T1max-a, the steam generator (3) continues to work at full power and supplies saturated steam to the inner container (1);
when T2 is more than or equal to T1max-a, the steam generator (3) changes to work with constant duty ratio and reduced power to supply saturated steam to the inner container (1), a is a set value of a user and is more than or equal to 0 ℃.
2. The steam assembly according to claim 1, characterized in that the first temperature sensor (6) is mounted on the outer wall of the back baffle (13) of the inner container (1) and the second temperature sensor (12) is mounted on the inner wall of the back baffle (13) of the inner container (1).
3. The steam assembly of claim 2, wherein a ≧ 5 ℃.
4. A steaming assembly as claimed in claim 3, wherein the inner container (1) also houses heat generating components therein, which heat the steam in the inner container (1).
5. The steam assembly as claimed in claim 4, wherein the heat generating component is a heat generating pipe (15), when T2 is more than or equal to T1max-a, the steam generator (3) is operated with reduced power, and the heat generating pipe (15) is used for auxiliary heating of the steam in the inner container (1).
6. The steam assembly according to claim 5, characterized in that the back baffle (13) of the inner container (1) is further provided with a shaded pole motor (2), and the shaded pole motor (2) drives the fan blade (14) to rotate, so that the steam in the inner container (1) is stirred and flows circularly.
7. The steam assembly according to claim 6, wherein the heat generating pipes (15) are arranged in a ring structure, and the ring-shaped heat generating pipes (15) surround the fan blades (14), so that the steam is uniformly stirred to flow.
8. The steam assembly of claim 1, wherein the steam delivery assembly comprises: the steam heating device comprises a steam initial temperature detection assembly (7) arranged outside the back of the inner container (1), a purified water inlet (4) and a steam outlet (5) arranged on the steam generator (3), a temperature sensor (6) arranged on the steam initial temperature detection assembly (7) and a steam delivery pipeline, wherein the steam delivery pipeline is connected into an inner cavity of the inner container (1) from the steam outlet (5) of the steam generator (3) through the steam initial temperature detection assembly (7).
9. The steam assembly according to claim 8, characterized in that the steam initial temperature detection assembly (7) is a communicator, and the outer wall of the communicator is connected with a temperature sensor (6) so as to detect the temperature of the steam passing through the communicator.
10. The steam assembly according to claim 9, characterized in that the steam control assembly comprises a control panel (8) mounted on the outer wall of the back of the inner container (1), the control panel (8) being electrically connected to the first temperature sensor (6) and the second temperature sensor (12), respectively.
11. The steam assembly as claimed in claim 1, wherein the inner container (1) is communicated with a pressure relief opening (10) for venting the air pressure in the inner container (1).
12. A steaming oven comprising an oven housing and an oven body, characterised in that a steam assembly as claimed in any one of claims 1 to 11 is mounted in the oven housing.
13. A control method of a steam assembly is characterized by comprising the following steps,
steam generation and delivery: a steam generator (3) in the steam control assembly generates steam, and the steam control assembly controls the steam conveying assembly to convey the generated steam into the inner cavity of the inner container from the outside of the inner container (1);
a detection step: a first temperature sensor (6) outside the inner container (1) detects the initial temperature T1 generated by the steam generator (3);
a second temperature sensor (12) in the inner container 1 detects the temperature T2 after steam enters the inner container (1), and the initial temperature T1 and the temperature T2 in the inner container (1) are analyzed and compared through a singlechip in the steam control assembly after data processing is carried out;
the control steps are as follows: when T2 is less than T1max-a, the steam generator (3) continues to work at full power and supplies saturated steam to the inner container (1);
when T2 is more than or equal to T1max-a, the steam generator (3) changes to work with constant duty ratio and reduced power to supply saturated steam to the inner container (1), a is a set value of a user and is more than or equal to 0 ℃.
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CN202010497254.4A CN111568256A (en) | 2020-06-04 | 2020-06-04 | Steam assembly, steaming and baking box and control method |
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CN202010497254.4A CN111568256A (en) | 2020-06-04 | 2020-06-04 | Steam assembly, steaming and baking box and control method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112256068A (en) * | 2020-10-09 | 2021-01-22 | 珠海格力电器股份有限公司 | Cooking control method and cooking device |
CN113842030A (en) * | 2020-12-30 | 2021-12-28 | 九阳股份有限公司 | Cooking utensil |
CN115530606A (en) * | 2022-11-11 | 2022-12-30 | 珠海格力电器股份有限公司 | Control method, device and equipment of steaming and baking equipment and readable storage medium |
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CN205267832U (en) * | 2015-12-03 | 2016-06-01 | 湖南云天节能科技有限公司 | Novel energy -conserving steamed rice cabinet |
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CN212326194U (en) * | 2020-06-04 | 2021-01-12 | 珠海格力电器股份有限公司 | Steam assembly and steaming and baking box |
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CN204483829U (en) * | 2015-02-05 | 2015-07-22 | 宁波方太厨具有限公司 | A kind of steam box |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112256068A (en) * | 2020-10-09 | 2021-01-22 | 珠海格力电器股份有限公司 | Cooking control method and cooking device |
CN112256068B (en) * | 2020-10-09 | 2021-11-12 | 珠海格力电器股份有限公司 | Cooking control method and cooking device |
CN113842030A (en) * | 2020-12-30 | 2021-12-28 | 九阳股份有限公司 | Cooking utensil |
CN113842030B (en) * | 2020-12-30 | 2022-08-09 | 九阳股份有限公司 | Cooking utensil |
CN115530606A (en) * | 2022-11-11 | 2022-12-30 | 珠海格力电器股份有限公司 | Control method, device and equipment of steaming and baking equipment and readable storage medium |
CN115530606B (en) * | 2022-11-11 | 2023-08-15 | 珠海格力电器股份有限公司 | Control method, device and equipment of steaming and baking equipment and readable storage medium |
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