CN112450718A - Steam generator, steam cooking equipment and control method thereof - Google Patents
Steam generator, steam cooking equipment and control method thereof Download PDFInfo
- Publication number
- CN112450718A CN112450718A CN202011139893.XA CN202011139893A CN112450718A CN 112450718 A CN112450718 A CN 112450718A CN 202011139893 A CN202011139893 A CN 202011139893A CN 112450718 A CN112450718 A CN 112450718A
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- 238000010411 cooking Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 121
- 238000005303 weighing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 115
- 238000005086 pumping Methods 0.000 claims description 40
- 230000000875 corresponding effect Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water 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
- 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
- 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
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a steam generator, steam cooking equipment and a control method thereof, wherein the steam generator comprises a weighing sensor, a base, a steam heating disc and a controller, wherein the weighing sensor is arranged on the base, the steam heating disc is arranged on the weighing sensor so that the weighing sensor can detect the real-time weight of the steam heating disc, and the controller is respectively and electrically connected with the weighing sensor and the steam heating disc. The evaporator is simple in structure, and the phenomenon of dry burning of the evaporator is effectively avoided, so that the service life of the evaporator is further prolonged.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to a steam generator, steam cooking equipment and a control method of the steam generator and the steam cooking equipment.
Background
In the related art, the water adding control scheme of the working process of the evaporator of most of the steam ovens generally comprises the following 3 schemes;
firstly, whether dry burning is carried out or not is judged by a temperature sensor of the evaporation pan to determine water adding, and the defects that the dry burning easily causes scale agglomeration of the evaporation pan and reduces the service life are overcome;
secondly, an auxiliary water tank is communicated with the outside of the evaporator, and a magnetic floater is arranged in the auxiliary water tank for water level detection, so that the defects of complex pipeline and poor detection precision are overcome;
thirdly, the current water level is detected by installing a water level probe in the evaporator, the defect is that the maintenance is difficult, and the probe is easy to lose efficacy due to high-temperature heating and water scale in the evaporator.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore the invention provides a steam generator which is simple in structure and capable of effectively avoiding the dry burning phenomenon of an evaporator, so that the service life of the evaporator is further prolonged.
In addition, the invention also provides steam cooking equipment which is reasonable in design and can effectively reduce the generation of scale in the evaporator.
In addition, the invention also provides a control method of the steam cooking equipment, which is simple and feasible and can further improve the water adding control precision of the evaporator.
The first object is achieved by the following technical scheme:
the utility model provides a steam generator, includes weighing sensor, base, steam heating plate and controller, wherein weighing sensor sets up on the base, steam heating plate sets up on the weighing sensor so that weighing sensor is right steam heating plate's real-time weight detects, the controller respectively with weighing sensor steam heating plate electric connection.
In some embodiments, the steam heating plate further comprises a temperature sensor, the temperature sensor is arranged on the steam heating plate, and the temperature sensor is electrically connected with the controller to detect the real-time temperature of the steam heating plate.
In some embodiments, the steam heating plate further comprises a water pump, the water pump is communicated with the steam heating plate, and the water pump is electrically connected with the controller to guide external water supply into the steam heating plate.
In some embodiments, the bottom of the steam heating plate is provided with a plurality of fixing feet, and the weighing sensor is arranged on each fixing foot.
In some embodiments, the steam heating plate has a water inlet and a gas outlet which are communicated, wherein the water inlet is communicated with an external water supply, the external water supply is heated after entering the steam heating plate to generate steam, and the steam generated by heating is conveyed outwards through the gas outlet.
The second objective is achieved by the following technical scheme:
a steam cooking device comprising a steam generator according to any of the above embodiments.
The third objective is achieved by the following technical solutions:
a control method of a steam cooking apparatus including the steam cooking apparatus according to any one of the above embodiments, the control method of the steam cooking apparatus comprising the steps of:
starting the steam cooking device;
pumping water into the steam heating plate according to a preset water pumping amount;
starting the steam heating plate to heat;
monitoring the real-time temperature of the steam heating plate;
when the actual temperature is higher than the preset dry-burning temperature, acquiring the weight value of the steam heating plate to obtain a first weight value;
continuously pumping water into the steam heating plate according to a preset water pumping amount to obtain a weight value of the steam heating plate so as to obtain a second weight value;
pumping water into the steam heating plate according to the preset water pumping quantity again to obtain the weight value of the steam heating plate so as to obtain a third weight value;
and starting the steam heating plate again to heat.
In some embodiments, the step of restarting the steam heat-generating tray for heating comprises:
acquiring a current weight value of the steam heating plate;
and comparing the obtained current weight value with the second weight value, and making corresponding action according to a comparison result until the cooking is finished.
In some embodiments, the step of comparing the obtained current weight value with the second weight value and performing corresponding actions according to the comparison result until the cooking is finished specifically includes:
comparing the obtained current weight value with the second weight value;
if the obtained current weight value is smaller than the second weight value, continuing pumping water into the steam heating disc according to a preset pumping water quantity;
if the obtained current weight value is larger than or equal to the second weight value, continuing heating;
and the process is circulated until the cooking is finished.
In some embodiments, if the obtained current weight value is smaller than the second weight value, the step of continuing pumping water into the steam heating tray according to a preset pumping water amount comprises:
after pumping water into the steam heating plate, continuously acquiring the current weight value of the steam heating plate;
and stopping pumping water until the obtained current weight value is larger than the third weight value.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the steam generator is simple in structure, and effectively avoids the phenomenon of dry burning of the evaporator, so that the service life of the evaporator is further prolonged.
2. The steam cooking equipment is reasonable in design, and can effectively reduce the generation of water scale in the evaporator.
3. The control method of the steam cooking equipment is simple and feasible, and can further improve the water adding control precision of the evaporator.
Drawings
FIG. 1 is a schematic view of a steam generator according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of the steam cooking apparatus according to the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a steam generator, including weighing sensor 1, base 2, steam heating dish 3 and controller, wherein weighing sensor 1 sets up on base 2, and steam heating dish 3 sets up on weighing sensor 1 so that weighing sensor 1 detects steam heating dish 3's real-time weight, and the controller respectively with weighing sensor 1, steam heating dish 3 electric connection.
In this embodiment, whether the weight change that detects whole steam generator through weighing sensor 1 carries out the pump water with the decision to steam generator to in the culinary art process, can effectively control and keep suitable water yield in steam heating dish 3, neither dry combustion method produces the incrustation scale, also can not ponding too much appear the water spray, its simple structure effectively avoids the evaporimeter dry combustion method phenomenon to appear, thereby has further improved the life of evaporimeter.
Further, still include temperature sensor 4, temperature sensor 4 sets up on steam heating dish 3 to temperature sensor 4 and controller electric connection detect with the real-time temperature of dish 3 that generates heat to steam, and its reasonable in design, ingenious can do benefit to and detect steam heating dish 3's temperature variation.
Preferably, still include the water pump, the water pump is linked together with steam heating dish 3 to water pump and controller electric connection are in order to lead to the inside steam heating dish 3 with the outside water supply, and its simple structure.
Specifically, the bottom of the steam heating plate 3 is provided with a plurality of fixing feet, and each fixing foot is provided with the weighing sensor 1, so that the steam heating plate is simple in structure and reasonable in design, and the measuring precision of the weighing sensor 1 can be effectively improved.
Particularly, the steam heating plate 3 is provided with a water inlet 31 and an air outlet 32 which are communicated, wherein the water inlet 31 is communicated with external water supply, the external water supply is heated after entering the steam heating plate 3 to generate steam, and the steam generated by heating is conveyed outwards through the air outlet 32, so that the steam heating plate is simple in structure.
In this embodiment, the weighing sensor 1 is installed on the bottom case of the steam cooking device through the base 2 to be supported by the weighing sensor 1, the steam heating plate 3 is installed on the weighing sensor 1, so that the weight change of the steam heating plate 3 can be detected through the weighing sensor 1, the temperature sensor 4 is installed at the bottom of the steam heating plate 3 to detect the temperature change of the steam heating plate 3 through the temperature sensor 4, the water inlet 31 of the steam heating plate 3 is communicated with external water supply to guide the external water supply into the steam heating plate 3, the external water supply is heated to generate steam after entering the steam heating plate 3, the generated steam is conveyed out to the outside through the air outlet 32, that is, the air outlet 32 of the steam heating plate 3 is communicated with the inner container of the steam cooking device to convey high-temperature steam into the inner container, so that the high-temperature steam cooks food, steam generates heat dish 3 and cooperatees through fixed foot and weighing sensor 1 and is connected, in order to improve the stability of steam generate heat dish 3 installation, the bottom of every fixed foot of dish 3 generates heat at steam is provided with weighing sensor 1 respectively corresponding, and in order to further improve weighing sensor 1's measurement accuracy, weighing sensor 1's quantity more preferably designs for 2 to 4, but not limited to above-mentioned quantity, can also select other more suitable quantities according to actual demand, equally, the quantity of 3 fixed feet of steam generate heat dish is preferred 2 to 4.
Example two:
as shown in fig. 1, the present embodiment provides a steam cooking apparatus, including a steam generator as described in the first embodiment, and in a manner similar to the first embodiment, the steam cooking apparatus employs the steam generator as described in the first embodiment, a load cell 1 is mounted on a bottom case of the steam cooking apparatus through a base 2 to support the load cell 1, a steam heating plate 3 is mounted on the load cell 1, so that the weight change of the whole steam generator can be detected through the load cell 1 to determine whether to pump water into the steam generator, thereby during cooking, the proper amount of water can be effectively controlled to be maintained in the steam heating plate 3, neither scale is generated by dry burning, nor water is excessively sprayed, and furthermore, a temperature sensor 4 is mounted at the bottom of the steam heating plate 3 to detect the temperature change of the steam heating plate 3 through the temperature sensor 4, the design is reasonable, and the generation of water scale in the evaporator can be effectively reduced.
In this embodiment, the cooking device may be a steam box, a micro-steam box, an all-in-one steaming and baking machine, a micro-all-in-one steaming and baking machine, but is not limited to the above cooking devices, and other more suitable cooking devices may be selected according to actual requirements.
Example three:
as shown in fig. 2, the present embodiment provides a control method of a steam cooking apparatus, including the steam cooking apparatus as described in the second embodiment, the same as the second embodiment, the control method of the steam cooking device is applied to the steam cooking device as described in the second embodiment, the control method realizes the automatic water adding work of the steam heating plate through the mutual cooperation of the weighing sensor and the temperature sensor, therefore, the weight change of the whole steam generator can be detected by the weighing sensor and the temperature change of the steam heating plate can be detected by the temperature sensor so as to determine whether to pump water into the steam generator, therefore, in the cooking process, the proper water amount can be effectively kept in the steam heating plate, water scale is not generated by dry burning, water is not excessively accumulated, water spraying is avoided, the method is simple and feasible, and the water adding control precision of the evaporator can be further improved.
The control method of the steam box in the embodiment specifically comprises the following steps:
step S101, the steam cooking apparatus is started.
And S102, pumping water into the steam heating plate according to the preset water pumping quantity.
In this embodiment, after the water pump is started, the water pump is controlled to work according to the preset flow and then stops pumping water after the preset time, and the water pump is controlled to pump water according to the preset water pumping amount.
And step S103, starting the steam heating plate to heat.
And step S104, monitoring the real-time temperature of the steam heating plate.
And step S105, obtaining the weight value of the steam heating plate to obtain a first weight value until the actual temperature is higher than the preset dry-burning temperature.
In this embodiment, the temperature sensor is started to monitor the real-time temperature of the steam heating plate, until the actual temperature obtained by monitoring is greater than the preset dry-heating temperature, the residual water in the steam heating plate is considered to be dried, namely, the dry-heating phenomenon occurs, so that the heating work of the steam heating plate is stopped to enter the next work, the dry-heating temperature of the residual water in the embodiment is preferably 135 ℃, but not limited to the above numerical value, other more suitable numerical values can be selected according to the actual requirement, in addition, the weight of the steam heating plate without water is calibrated through the first dry-heating, and the self error of the installation and weighing sensor can be effectively eliminated.
And S106, continuously pumping water into the steam heating plate according to the preset water pumping quantity, and obtaining the weight value of the steam heating plate to obtain a second weight value.
In this embodiment, after the water pump is started, the water pump is controlled to work according to the preset flow and then stops pumping water after the preset time, and the water pump is controlled to pump water according to the preset water pumping amount.
And S107, pumping water into the steam heating disc again according to the preset water pumping quantity, and acquiring the weight value of the steam heating disc to obtain a third weight value.
In this embodiment, after the last time of pumping water, the water pump is restarted to control the water pump to work according to the preset flow and stop pumping water after the preset time, that is, the water pump is controlled to pump water according to the preset pumping water quantity, in addition, the second weight value and the third weight value are calibrated again after the preset pumping water quantity, so that the direct mapping between the weighing sensor variable and the water adding quantity can be established, and the actual error between the second weight value and the third weight value can be effectively eliminated.
And step S108, the steam heating plate is started again to perform heating work.
And step S109, acquiring the current weight value of the steam heating plate.
In this embodiment, steam heating plate heating work is in order to produce high temperature steam to carry high temperature steam past in order to cook the food of inner bag the inside toward the inner bag of steam ager the inside, start weighing sensor simultaneously and acquire the current weight value of steam heating plate.
Step S110, comparing the obtained current weight value with a second weight value;
if the obtained current weight value is smaller than the second weight value, continuing pumping water into the steam heating disc according to the preset water pumping quantity;
and if the obtained current weight value is larger than or equal to the second weight value, continuing heating.
And step S111, circulating in such a way until the cooking is finished.
In this embodiment, as the cooking operation is performed to continuously consume the water in the steam heating plate, if the obtained current weight value is smaller than the second weight value, the residual water in the steam heating plate is not much, the water pump needs to be started to work to continuously pump water until the obtained current weight value is larger than the third weight value, the water pumping is stopped, the circulation is carried out until the cooking work is finished, namely, the obtained current weight value is only required to be controlled between the second weight value and the third weight value, the power and the working time of the steam heating plate are not limited, thereby satisfying more personalized food cooking, in addition, when the steam heating plate heats for a period of time to generate steam and then the water pump is started again to pump water, if the current weight value obtained by the weighing sensor is not changed, the phenomenon that the water supply water tank of the steam cooking equipment is lack of water can be judged.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a steam generator, its characterized in that, includes weighing sensor (1), base (2), steam heating dish (3) and controller, wherein weighing sensor (1) sets up on base (2), steam heating dish (3) set up on weighing sensor (1) so that weighing sensor (1) is right the real-time weight of steam heating dish (3) detects, the controller respectively with weighing sensor (1), steam heating dish (3) electric connection.
2. The steam generator according to claim 1, further comprising a temperature sensor (4), wherein the temperature sensor (4) is disposed on the steam heating plate (3), and the temperature sensor (4) is electrically connected to the controller to detect the real-time temperature of the steam heating plate (3).
3. The steam generator according to claim 1, further comprising a water pump in communication with the steam heating plate (3) and electrically connected to the controller to introduce external water supply into the steam heating plate (3).
4. A steam generator according to claim 1, characterized in that the bottom of the steam-heating plate (3) is provided with several fixing feet, on each of which the weighing cell (1) is arranged.
5. The steam generator according to any of claims 1 to 4, wherein the steam heating plate (3) has a water inlet (31) and a gas outlet (32) which are communicated with each other, wherein the water inlet (31) is communicated with an external water supply, the external water supply is heated after entering the steam heating plate (3) to generate steam, and the steam generated by heating is conveyed outwards through the gas outlet (32).
6. Steam cooking device, characterized in that it comprises a steam generator according to any one of claims 1 to 5.
7. A control method of a steam cooking apparatus, comprising the steam cooking apparatus of claim 6, the control method of the steam cooking apparatus comprising the steps of:
starting the steam cooking device;
pumping water into the steam heating plate according to a preset water pumping amount;
starting the steam heating plate to heat;
monitoring the real-time temperature of the steam heating plate;
when the actual temperature is higher than the preset dry-burning temperature, acquiring the weight value of the steam heating plate to obtain a first weight value;
continuously pumping water into the steam heating plate according to a preset water pumping amount to obtain a weight value of the steam heating plate so as to obtain a second weight value;
pumping water into the steam heating plate according to the preset water pumping quantity again to obtain the weight value of the steam heating plate so as to obtain a third weight value;
and starting the steam heating plate again to heat.
8. The control method of a steam cooking apparatus according to claim 7, wherein the step after the steam heat generating plate is restarted for heating operation includes:
acquiring a current weight value of the steam heating plate;
and comparing the obtained current weight value with the second weight value, and making corresponding action according to a comparison result until the cooking is finished.
9. The method for controlling a steam cooking device according to claim 8, wherein the step of comparing the obtained current weight value with the second weight value and performing corresponding actions according to the comparison result until the cooking is finished specifically comprises:
comparing the obtained current weight value with the second weight value;
if the obtained current weight value is smaller than the second weight value, continuing pumping water into the steam heating disc according to a preset pumping water quantity;
if the obtained current weight value is larger than or equal to the second weight value, continuing heating;
and the process is circulated until the cooking is finished.
10. The method for controlling a steam cooking device of claim 9, wherein the step of continuing to pump water into the steam heat generating tray according to the preset pumping amount if the obtained current weight value is smaller than the second weight value comprises:
after pumping water into the steam heating plate, continuously acquiring the current weight value of the steam heating plate; and stopping pumping water until the obtained current weight value is larger than the third weight value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139893.XA CN112450718A (en) | 2020-10-22 | 2020-10-22 | Steam generator, steam cooking equipment and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139893.XA CN112450718A (en) | 2020-10-22 | 2020-10-22 | Steam generator, steam cooking equipment and control method thereof |
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| CN112450718A true CN112450718A (en) | 2021-03-09 |
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| CN202011139893.XA Pending CN112450718A (en) | 2020-10-22 | 2020-10-22 | Steam generator, steam cooking equipment and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2924740A1 (en) * | 2021-03-26 | 2022-10-10 | Cecotec Res And Development S L | STEAM REGULATOR SYSTEM FOR FOOD PREPARATION MACHINE WITH A STEAM ACCESSORY AND ASSOCIATED METHOD (Machine-translation by Google Translate, not legally binding) |
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| EP1942320A2 (en) * | 2007-01-08 | 2008-07-09 | Samsung Electronics Co., Ltd. | Water level sensor, steam generator having the same, heating cooker having the steam generator and control method thereof |
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| CN208475290U (en) * | 2018-04-28 | 2019-02-05 | 广东美的厨房电器制造有限公司 | Steam generating system and its Weight detecting device |
| CN109708084A (en) * | 2017-10-25 | 2019-05-03 | 宁波方太厨具有限公司 | Steam generator |
| CN210055653U (en) * | 2019-03-25 | 2020-02-14 | 华帝股份有限公司 | Water tank and steam cooking device that can real-time detection water yield |
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2020
- 2020-10-22 CN CN202011139893.XA patent/CN112450718A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| EP1942320A2 (en) * | 2007-01-08 | 2008-07-09 | Samsung Electronics Co., Ltd. | Water level sensor, steam generator having the same, heating cooker having the steam generator and control method thereof |
| CN204970897U (en) * | 2015-08-07 | 2016-01-20 | 广东美的厨房电器制造有限公司 | Formula steam generator is put at end |
| CN109708084A (en) * | 2017-10-25 | 2019-05-03 | 宁波方太厨具有限公司 | Steam generator |
| CN108758603A (en) * | 2018-04-28 | 2018-11-06 | 广东美的厨房电器制造有限公司 | Steam generating system and its scale detection method |
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| ES2924740A1 (en) * | 2021-03-26 | 2022-10-10 | Cecotec Res And Development S L | STEAM REGULATOR SYSTEM FOR FOOD PREPARATION MACHINE WITH A STEAM ACCESSORY AND ASSOCIATED METHOD (Machine-translation by Google Translate, not legally binding) |
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Application publication date: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |